diff options
Diffstat (limited to 'drivers/gpu/drm/bridge')
21 files changed, 5385 insertions, 227 deletions
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 10e12e74fc9f..eb8688ec6f18 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -39,6 +39,15 @@ config DRM_DW_HDMI_AHB_AUDIO Designware HDMI block. This is used in conjunction with the i.MX6 HDMI driver. +config DRM_DW_HDMI_I2S_AUDIO + tristate "Synopsis Designware I2S Audio interface" + depends on SND_SOC + depends on DRM_DW_HDMI + select SND_SOC_HDMI_CODEC + help + Support the I2S Audio interface which is part of the Synopsis + Designware HDMI block. + config DRM_NXP_PTN3460 tristate "NXP PTN3460 DP/LVDS bridge" depends on OF @@ -57,6 +66,13 @@ config DRM_PARADE_PS8622 ---help--- Parade eDP-LVDS bridge chip driver. +config DRM_SIL_SII8620 + tristate "Silicon Image SII8620 HDMI/MHL bridge" + depends on OF + select DRM_KMS_HELPER + help + Silicon Image SII8620 HDMI/MHL bridge chip driver. + config DRM_SII902X tristate "Silicon Image sii902x RGB/HDMI bridge" depends on OF @@ -74,6 +90,13 @@ config DRM_TOSHIBA_TC358767 ---help--- Toshiba TC358767 eDP bridge chip driver. +config DRM_TI_TFP410 + tristate "TI TFP410 DVI/HDMI bridge" + depends on OF + select DRM_KMS_HELPER + ---help--- + Texas Instruments TFP410 DVI/HDMI Transmitter driver + source "drivers/gpu/drm/bridge/analogix/Kconfig" source "drivers/gpu/drm/bridge/adv7511/Kconfig" diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index cdf3a3cf765d..2e83a7855399 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -4,9 +4,12 @@ obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o obj-$(CONFIG_DRM_DW_HDMI) += dw-hdmi.o obj-$(CONFIG_DRM_DW_HDMI_AHB_AUDIO) += dw-hdmi-ahb-audio.o +obj-$(CONFIG_DRM_DW_HDMI_I2S_AUDIO) += dw-hdmi-i2s-audio.o obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o +obj-$(CONFIG_DRM_SIL_SII8620) += sil-sii8620.o obj-$(CONFIG_DRM_SII902X) += sii902x.o obj-$(CONFIG_DRM_TOSHIBA_TC358767) += tc358767.o obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix/ obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511/ +obj-$(CONFIG_DRM_TI_TFP410) += ti-tfp410.o diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig index d2b0499ab7d7..2fed567f9943 100644 --- a/drivers/gpu/drm/bridge/adv7511/Kconfig +++ b/drivers/gpu/drm/bridge/adv7511/Kconfig @@ -6,6 +6,14 @@ config DRM_I2C_ADV7511 help Support for the Analog Device ADV7511(W) and ADV7513 HDMI encoders. +config DRM_I2C_ADV7511_AUDIO + bool "ADV7511 HDMI Audio driver" + depends on DRM_I2C_ADV7511 && SND_SOC + select SND_SOC_HDMI_CODEC + help + Support the ADV7511 HDMI Audio interface. This is used in + conjunction with the AV7511 HDMI driver. + config DRM_I2C_ADV7533 bool "ADV7533 encoder" depends on DRM_I2C_ADV7511 diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile index 9019327fff4c..5ba675534f6e 100644 --- a/drivers/gpu/drm/bridge/adv7511/Makefile +++ b/drivers/gpu/drm/bridge/adv7511/Makefile @@ -1,3 +1,4 @@ adv7511-y := adv7511_drv.o +adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 161c923d6162..fe18a5d2d84b 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -12,6 +12,7 @@ #include <linux/hdmi.h> #include <linux/i2c.h> #include <linux/regmap.h> +#include <linux/regulator/consumer.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_mipi_dsi.h> @@ -309,12 +310,16 @@ struct adv7511 { struct drm_display_mode curr_mode; unsigned int f_tmds; + unsigned int f_audio; + unsigned int audio_source; unsigned int current_edid_segment; uint8_t edid_buf[256]; bool edid_read; wait_queue_head_t wq; + struct work_struct hpd_work; + struct drm_bridge bridge; struct drm_connector connector; @@ -327,6 +332,9 @@ struct adv7511 { struct gpio_desc *gpio_pd; + struct regulator_bulk_data *supplies; + unsigned int num_supplies; + /* ADV7533 DSI RX related params */ struct device_node *host_node; struct mipi_dsi_device *dsi; @@ -334,6 +342,7 @@ struct adv7511 { bool use_timing_gen; enum adv7511_type type; + struct platform_device *audio_pdev; }; #ifdef CONFIG_DRM_I2C_ADV7533 @@ -389,4 +398,17 @@ static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) } #endif +#ifdef CONFIG_DRM_I2C_ADV7511_AUDIO +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511); +void adv7511_audio_exit(struct adv7511 *adv7511); +#else /*CONFIG_DRM_I2C_ADV7511_AUDIO */ +static inline int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) +{ + return 0; +} +static inline void adv7511_audio_exit(struct adv7511 *adv7511) +{ +} +#endif /* CONFIG_DRM_I2C_ADV7511_AUDIO */ + #endif /* __DRM_I2C_ADV7511_H__ */ diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c new file mode 100644 index 000000000000..cf92ebfe6ab7 --- /dev/null +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c @@ -0,0 +1,213 @@ +/* + * Analog Devices ADV7511 HDMI transmitter driver + * + * Copyright 2012 Analog Devices Inc. + * Copyright (c) 2016, Linaro Limited + * + * Licensed under the GPL-2. + */ + +#include <sound/core.h> +#include <sound/hdmi-codec.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include "adv7511.h" + +static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs, + unsigned int *cts, unsigned int *n) +{ + switch (fs) { + case 32000: + *n = 4096; + break; + case 44100: + *n = 6272; + break; + case 48000: + *n = 6144; + break; + } + + *cts = ((f_tmds * *n) / (128 * fs)) * 1000; +} + +static int adv7511_update_cts_n(struct adv7511 *adv7511) +{ + unsigned int cts = 0; + unsigned int n = 0; + + adv7511_calc_cts_n(adv7511->f_tmds, adv7511->f_audio, &cts, &n); + + regmap_write(adv7511->regmap, ADV7511_REG_N0, (n >> 16) & 0xf); + regmap_write(adv7511->regmap, ADV7511_REG_N1, (n >> 8) & 0xff); + regmap_write(adv7511->regmap, ADV7511_REG_N2, n & 0xff); + + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL0, + (cts >> 16) & 0xf); + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL1, + (cts >> 8) & 0xff); + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL2, + cts & 0xff); + + return 0; +} + +int adv7511_hdmi_hw_params(struct device *dev, void *data, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms) +{ + struct adv7511 *adv7511 = dev_get_drvdata(dev); + unsigned int audio_source, i2s_format = 0; + unsigned int invert_clock; + unsigned int rate; + unsigned int len; + + switch (hparms->sample_rate) { + case 32000: + rate = ADV7511_SAMPLE_FREQ_32000; + break; + case 44100: + rate = ADV7511_SAMPLE_FREQ_44100; + break; + case 48000: + rate = ADV7511_SAMPLE_FREQ_48000; + break; + case 88200: + rate = ADV7511_SAMPLE_FREQ_88200; + break; + case 96000: + rate = ADV7511_SAMPLE_FREQ_96000; + break; + case 176400: + rate = ADV7511_SAMPLE_FREQ_176400; + break; + case 192000: + rate = ADV7511_SAMPLE_FREQ_192000; + break; + default: + return -EINVAL; + } + + switch (hparms->sample_width) { + case 16: + len = ADV7511_I2S_SAMPLE_LEN_16; + break; + case 18: + len = ADV7511_I2S_SAMPLE_LEN_18; + break; + case 20: + len = ADV7511_I2S_SAMPLE_LEN_20; + break; + case 24: + len = ADV7511_I2S_SAMPLE_LEN_24; + break; + default: + return -EINVAL; + } + + switch (fmt->fmt) { + case HDMI_I2S: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_I2S; + break; + case HDMI_RIGHT_J: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_RIGHT_J; + break; + case HDMI_LEFT_J: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_LEFT_J; + break; + default: + return -EINVAL; + } + + invert_clock = fmt->bit_clk_inv; + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_SOURCE, 0x70, + audio_source << 4); + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, BIT(6), + invert_clock << 6); + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2S_CONFIG, 0x03, + i2s_format); + + adv7511->audio_source = audio_source; + + adv7511->f_audio = hparms->sample_rate; + + adv7511_update_cts_n(adv7511); + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG3, + ADV7511_AUDIO_CFG3_LEN_MASK, len); + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, + ADV7511_I2C_FREQ_ID_CFG_RATE_MASK, rate << 4); + regmap_write(adv7511->regmap, 0x73, 0x1); + + return 0; +} + +static int audio_startup(struct device *dev, void *data) +{ + struct adv7511 *adv7511 = dev_get_drvdata(dev); + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, + BIT(7), 0); + + /* hide Audio infoframe updates */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(5), BIT(5)); + /* enable N/CTS, enable Audio sample packets */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(5), BIT(5)); + /* enable N/CTS */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(6), BIT(6)); + /* not copyrighted */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG1, + BIT(5), BIT(5)); + /* enable audio infoframes */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(3), BIT(3)); + /* AV mute disable */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(0), + BIT(7) | BIT(6), BIT(7)); + /* use Audio infoframe updated info */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1), + BIT(5), 0); + return 0; +} + +static void audio_shutdown(struct device *dev, void *data) +{ +} + +static const struct hdmi_codec_ops adv7511_codec_ops = { + .hw_params = adv7511_hdmi_hw_params, + .audio_shutdown = audio_shutdown, + .audio_startup = audio_startup, +}; + +static struct hdmi_codec_pdata codec_data = { + .ops = &adv7511_codec_ops, + .max_i2s_channels = 2, + .i2s = 1, +}; + +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) +{ + adv7511->audio_pdev = platform_device_register_data(dev, + HDMI_CODEC_DRV_NAME, + PLATFORM_DEVID_AUTO, + &codec_data, + sizeof(codec_data)); + return PTR_ERR_OR_ZERO(adv7511->audio_pdev); +} + +void adv7511_audio_exit(struct adv7511 *adv7511) +{ + if (adv7511->audio_pdev) { + platform_device_unregister(adv7511->audio_pdev); + adv7511->audio_pdev = NULL; + } +} diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 8ed3906dd411..f75ab6278113 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -325,7 +325,7 @@ static void adv7511_set_link_config(struct adv7511 *adv7511, adv7511->rgb = config->input_colorspace == HDMI_COLORSPACE_RGB; } -static void adv7511_power_on(struct adv7511 *adv7511) +static void __adv7511_power_on(struct adv7511 *adv7511) { adv7511->current_edid_segment = -1; @@ -338,7 +338,7 @@ static void adv7511_power_on(struct adv7511 *adv7511) * Still, let's be safe and stick to the documentation. */ regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), - ADV7511_INT0_EDID_READY); + ADV7511_INT0_EDID_READY | ADV7511_INT0_HPD); regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), ADV7511_INT1_DDC_ERROR); } @@ -354,6 +354,11 @@ static void adv7511_power_on(struct adv7511 *adv7511) regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2, ADV7511_REG_POWER2_HPD_SRC_MASK, ADV7511_REG_POWER2_HPD_SRC_NONE); +} + +static void adv7511_power_on(struct adv7511 *adv7511) +{ + __adv7511_power_on(adv7511); /* * Most of the registers are reset during power down or when HPD is low. @@ -362,21 +367,23 @@ static void adv7511_power_on(struct adv7511 *adv7511) if (adv7511->type == ADV7533) adv7533_dsi_power_on(adv7511); - adv7511->powered = true; } -static void adv7511_power_off(struct adv7511 *adv7511) +static void __adv7511_power_off(struct adv7511 *adv7511) { /* TODO: setup additional power down modes */ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, ADV7511_POWER_POWER_DOWN, ADV7511_POWER_POWER_DOWN); regcache_mark_dirty(adv7511->regmap); +} +static void adv7511_power_off(struct adv7511 *adv7511) +{ + __adv7511_power_off(adv7511); if (adv7511->type == ADV7533) adv7533_dsi_power_off(adv7511); - adv7511->powered = false; } @@ -402,6 +409,27 @@ static bool adv7511_hpd(struct adv7511 *adv7511) return false; } +static void adv7511_hpd_work(struct work_struct *work) +{ + struct adv7511 *adv7511 = container_of(work, struct adv7511, hpd_work); + enum drm_connector_status status; + unsigned int val; + int ret; + + ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val); + if (ret < 0) + status = connector_status_disconnected; + else if (val & ADV7511_STATUS_HPD) + status = connector_status_connected; + else + status = connector_status_disconnected; + + if (adv7511->connector.status != status) { + adv7511->connector.status = status; + drm_kms_helper_hotplug_event(adv7511->connector.dev); + } +} + static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd) { unsigned int irq0, irq1; @@ -419,7 +447,7 @@ static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd) regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1); if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder) - drm_helper_hpd_irq_event(adv7511->connector.dev); + schedule_work(&adv7511->hpd_work); if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) { adv7511->edid_read = true; @@ -546,23 +574,20 @@ static int adv7511_get_modes(struct adv7511 *adv7511, /* Reading the EDID only works if the device is powered */ if (!adv7511->powered) { - regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, - ADV7511_POWER_POWER_DOWN, 0); - if (adv7511->i2c_main->irq) { - regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(0), - ADV7511_INT0_EDID_READY); - regmap_write(adv7511->regmap, ADV7511_REG_INT_ENABLE(1), - ADV7511_INT1_DDC_ERROR); - } - adv7511->current_edid_segment = -1; + unsigned int edid_i2c_addr = + (adv7511->i2c_main->addr << 1) + 4; + + __adv7511_power_on(adv7511); + + /* Reset the EDID_I2C_ADDR register as it might be cleared */ + regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, + edid_i2c_addr); } edid = drm_do_get_edid(connector, adv7511_get_edid_block, adv7511); if (!adv7511->powered) - regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER, - ADV7511_POWER_POWER_DOWN, - ADV7511_POWER_POWER_DOWN); + __adv7511_power_off(adv7511); kfree(adv7511->edid); adv7511->edid = edid; @@ -825,6 +850,10 @@ static int adv7511_bridge_attach(struct drm_bridge *bridge) if (adv->type == ADV7533) ret = adv7533_attach_dsi(adv); + if (adv->i2c_main->irq) + regmap_write(adv->regmap, ADV7511_REG_INT_ENABLE(0), + ADV7511_INT0_HPD); + return ret; } @@ -839,6 +868,58 @@ static struct drm_bridge_funcs adv7511_bridge_funcs = { * Probe & remove */ +static const char * const adv7511_supply_names[] = { + "avdd", + "dvdd", + "pvdd", + "bgvdd", + "dvdd-3v", +}; + +static const char * const adv7533_supply_names[] = { + "avdd", + "dvdd", + "pvdd", + "a2vdd", + "v3p3", + "v1p2", +}; + +static int adv7511_init_regulators(struct adv7511 *adv) +{ + struct device *dev = &adv->i2c_main->dev; + const char * const *supply_names; + unsigned int i; + int ret; + + if (adv->type == ADV7511) { + supply_names = adv7511_supply_names; + adv->num_supplies = ARRAY_SIZE(adv7511_supply_names); + } else { + supply_names = adv7533_supply_names; + adv->num_supplies = ARRAY_SIZE(adv7533_supply_names); + } + + adv->supplies = devm_kcalloc(dev, adv->num_supplies, + sizeof(*adv->supplies), GFP_KERNEL); + if (!adv->supplies) + return -ENOMEM; + + for (i = 0; i < adv->num_supplies; i++) + adv->supplies[i].supply = supply_names[i]; + + ret = devm_regulator_bulk_get(dev, adv->num_supplies, adv->supplies); + if (ret) + return ret; + + return regulator_bulk_enable(adv->num_supplies, adv->supplies); +} + +static void adv7511_uninit_regulators(struct adv7511 *adv) +{ + regulator_bulk_disable(adv->num_supplies, adv->supplies); +} + static int adv7511_parse_dt(struct device_node *np, struct adv7511_link_config *config) { @@ -939,6 +1020,7 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) if (!adv7511) return -ENOMEM; + adv7511->i2c_main = i2c; adv7511->powered = false; adv7511->status = connector_status_disconnected; @@ -956,13 +1038,21 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) if (ret) return ret; + ret = adv7511_init_regulators(adv7511); + if (ret) { + dev_err(dev, "failed to init regulators\n"); + return ret; + } + /* * The power down GPIO is optional. If present, toggle it from active to * inactive to wake up the encoder. */ adv7511->gpio_pd = devm_gpiod_get_optional(dev, "pd", GPIOD_OUT_HIGH); - if (IS_ERR(adv7511->gpio_pd)) - return PTR_ERR(adv7511->gpio_pd); + if (IS_ERR(adv7511->gpio_pd)) { + ret = PTR_ERR(adv7511->gpio_pd); + goto uninit_regulators; + } if (adv7511->gpio_pd) { mdelay(5); @@ -970,12 +1060,14 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) } adv7511->regmap = devm_regmap_init_i2c(i2c, &adv7511_regmap_config); - if (IS_ERR(adv7511->regmap)) - return PTR_ERR(adv7511->regmap); + if (IS_ERR(adv7511->regmap)) { + ret = PTR_ERR(adv7511->regmap); + goto uninit_regulators; + } ret = regmap_read(adv7511->regmap, ADV7511_REG_CHIP_REVISION, &val); if (ret) - return ret; + goto uninit_regulators; dev_dbg(dev, "Rev. %d\n", val); if (adv7511->type == ADV7511) @@ -985,7 +1077,7 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) else ret = adv7533_patch_registers(adv7511); if (ret) - return ret; + goto uninit_regulators; regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR, edid_i2c_addr); regmap_write(adv7511->regmap, ADV7511_REG_PACKET_I2C_ADDR, @@ -995,10 +1087,11 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) adv7511_packet_disable(adv7511, 0xffff); - adv7511->i2c_main = i2c; adv7511->i2c_edid = i2c_new_dummy(i2c->adapter, edid_i2c_addr >> 1); - if (!adv7511->i2c_edid) - return -ENOMEM; + if (!adv7511->i2c_edid) { + ret = -ENOMEM; + goto uninit_regulators; + } if (adv7511->type == ADV7533) { ret = adv7533_init_cec(adv7511); @@ -1006,6 +1099,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) goto err_i2c_unregister_edid; } + INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work); + if (i2c->irq) { init_waitqueue_head(&adv7511->wq); @@ -1037,12 +1132,16 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) goto err_unregister_cec; } + adv7511_audio_init(dev, adv7511); + return 0; err_unregister_cec: adv7533_uninit_cec(adv7511); err_i2c_unregister_edid: i2c_unregister_device(adv7511->i2c_edid); +uninit_regulators: + adv7511_uninit_regulators(adv7511); return ret; } @@ -1056,8 +1155,12 @@ static int adv7511_remove(struct i2c_client *i2c) adv7533_uninit_cec(adv7511); } + adv7511_uninit_regulators(adv7511); + drm_bridge_remove(&adv7511->bridge); + adv7511_audio_exit(adv7511); + i2c_unregister_device(adv7511->i2c_edid); kfree(adv7511->edid); diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index d7f7b7ce8ebe..8b210373cfa2 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -29,6 +29,7 @@ static const struct reg_sequence adv7533_cec_fixed_registers[] = { { 0x17, 0xd0 }, { 0x24, 0x20 }, { 0x57, 0x11 }, + { 0x05, 0xc8 }, }; static const struct regmap_config adv7533_cec_regmap_config = { diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 6e0447f329a2..e7cd1056ff2d 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -112,7 +112,7 @@ int analogix_dp_enable_psr(struct device *dev) struct edp_vsc_psr psr_vsc; if (!dp->psr_support) - return -EINVAL; + return 0; /* Prepare VSC packet as per EDP 1.4 spec, Table 6.9 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); @@ -133,9 +133,10 @@ int analogix_dp_disable_psr(struct device *dev) { struct analogix_dp_device *dp = dev_get_drvdata(dev); struct edp_vsc_psr psr_vsc; + int ret; if (!dp->psr_support) - return -EINVAL; + return 0; /* Prepare VSC packet as per EDP 1.4 spec, Table 6.9 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); @@ -147,6 +148,10 @@ int analogix_dp_disable_psr(struct device *dev) psr_vsc.DB0 = 0; psr_vsc.DB1 = 0; + ret = drm_dp_dpcd_writeb(&dp->aux, DP_SET_POWER, DP_SET_POWER_D0); + if (ret != 1) + dev_err(dp->dev, "Failed to set DP Power0 %d\n", ret); + analogix_dp_send_psr_spd(dp, &psr_vsc); return 0; } @@ -1227,12 +1232,10 @@ static int analogix_dp_create_bridge(struct drm_device *drm_dev, dp->bridge = bridge; - dp->encoder->bridge = bridge; bridge->driver_private = dp; - bridge->encoder = dp->encoder; bridge->funcs = &analogix_dp_bridge_funcs; - ret = drm_bridge_attach(drm_dev, bridge); + ret = drm_bridge_attach(dp->encoder, bridge, NULL); if (ret) { DRM_ERROR("failed to attach drm bridge\n"); return -EINVAL; @@ -1382,6 +1385,7 @@ int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev, pm_runtime_enable(dev); + pm_runtime_get_sync(dev); phy_power_on(dp->phy); analogix_dp_init_dp(dp); @@ -1414,9 +1418,15 @@ int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev, goto err_disable_pm_runtime; } + phy_power_off(dp->phy); + pm_runtime_put(dev); + return 0; err_disable_pm_runtime: + + phy_power_off(dp->phy); + pm_runtime_put(dev); pm_runtime_disable(dev); return ret; diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index cd37ac058675..303083ad28e3 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -1162,5 +1162,5 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, (msg->request & ~DP_AUX_I2C_MOT) == DP_AUX_NATIVE_READ) msg->reply = DP_AUX_NATIVE_REPLY_ACK; - return num_transferred; + return num_transferred > 0 ? num_transferred : -EBUSY; } diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c index afec232185a7..86e9f9c7b59c 100644 --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/of_graph.h> +#include <linux/regulator/consumer.h> #include <drm/drmP.h> #include <drm/drm_atomic_helper.h> @@ -23,6 +24,7 @@ struct dumb_vga { struct drm_connector connector; struct i2c_adapter *ddc; + struct regulator *vdd; }; static inline struct dumb_vga * @@ -124,8 +126,30 @@ static int dumb_vga_attach(struct drm_bridge *bridge) return 0; } +static void dumb_vga_enable(struct drm_bridge *bridge) +{ + struct dumb_vga *vga = drm_bridge_to_dumb_vga(bridge); + int ret = 0; + + if (vga->vdd) + ret = regulator_enable(vga->vdd); + + if (ret) + DRM_ERROR("Failed to enable vdd regulator: %d\n", ret); +} + +static void dumb_vga_disable(struct drm_bridge *bridge) +{ + struct dumb_vga *vga = drm_bridge_to_dumb_vga(bridge); + + if (vga->vdd) + regulator_disable(vga->vdd); +} + static const struct drm_bridge_funcs dumb_vga_bridge_funcs = { .attach = dumb_vga_attach, + .enable = dumb_vga_enable, + .disable = dumb_vga_disable, }; static struct i2c_adapter *dumb_vga_retrieve_ddc(struct device *dev) @@ -169,6 +193,15 @@ static int dumb_vga_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, vga); + vga->vdd = devm_regulator_get_optional(&pdev->dev, "vdd"); + if (IS_ERR(vga->vdd)) { + ret = PTR_ERR(vga->vdd); + if (ret == -EPROBE_DEFER) + return -EPROBE_DEFER; + vga->vdd = NULL; + dev_dbg(&pdev->dev, "No vdd regulator found: %d\n", ret); + } + vga->ddc = dumb_vga_retrieve_ddc(&pdev->dev); if (IS_ERR(vga->ddc)) { if (PTR_ERR(vga->ddc) == -ENODEV) { @@ -204,6 +237,7 @@ static int dumb_vga_remove(struct platform_device *pdev) static const struct of_device_id dumb_vga_match[] = { { .compatible = "dumb-vga-dac" }, + { .compatible = "ti,ths8135" }, {}, }; MODULE_DEVICE_TABLE(of, dumb_vga_match); diff --git a/drivers/gpu/drm/bridge/dw-hdmi-audio.h b/drivers/gpu/drm/bridge/dw-hdmi-audio.h index 91f631beecc7..fd1f745c6073 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi-audio.h +++ b/drivers/gpu/drm/bridge/dw-hdmi-audio.h @@ -11,4 +11,11 @@ struct dw_hdmi_audio_data { u8 *eld; }; +struct dw_hdmi_i2s_audio_data { + struct dw_hdmi *hdmi; + + void (*write)(struct dw_hdmi *hdmi, u8 val, int offset); + u8 (*read)(struct dw_hdmi *hdmi, int offset); +}; + #endif diff --git a/drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c new file mode 100644 index 000000000000..aaf287d2e91d --- /dev/null +++ b/drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c @@ -0,0 +1,141 @@ +/* + * dw-hdmi-i2s-audio.c + * + * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <drm/bridge/dw_hdmi.h> + +#include <sound/hdmi-codec.h> + +#include "dw-hdmi.h" +#include "dw-hdmi-audio.h" + +#define DRIVER_NAME "dw-hdmi-i2s-audio" + +static inline void hdmi_write(struct dw_hdmi_i2s_audio_data *audio, + u8 val, int offset) +{ + struct dw_hdmi *hdmi = audio->hdmi; + + audio->write(hdmi, val, offset); +} + +static inline u8 hdmi_read(struct dw_hdmi_i2s_audio_data *audio, int offset) +{ + struct dw_hdmi *hdmi = audio->hdmi; + + return audio->read(hdmi, offset); +} + +static int dw_hdmi_i2s_hw_params(struct device *dev, void *data, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms) +{ + struct dw_hdmi_i2s_audio_data *audio = data; + struct dw_hdmi *hdmi = audio->hdmi; + u8 conf0 = 0; + u8 conf1 = 0; + u8 inputclkfs = 0; + + /* it cares I2S only */ + if ((fmt->fmt != HDMI_I2S) || + (fmt->bit_clk_master | fmt->frame_clk_master)) { + dev_err(dev, "unsupported format/settings\n"); + return -EINVAL; + } + + inputclkfs = HDMI_AUD_INPUTCLKFS_64FS; + conf0 = HDMI_AUD_CONF0_I2S_ALL_ENABLE; + + switch (hparms->sample_width) { + case 16: + conf1 = HDMI_AUD_CONF1_WIDTH_16; + break; + case 24: + case 32: + conf1 = HDMI_AUD_CONF1_WIDTH_24; + break; + } + + dw_hdmi_set_sample_rate(hdmi, hparms->sample_rate); + + hdmi_write(audio, inputclkfs, HDMI_AUD_INPUTCLKFS); + hdmi_write(audio, conf0, HDMI_AUD_CONF0); + hdmi_write(audio, conf1, HDMI_AUD_CONF1); + + dw_hdmi_audio_enable(hdmi); + + return 0; +} + +static void dw_hdmi_i2s_audio_shutdown(struct device *dev, void *data) +{ + struct dw_hdmi_i2s_audio_data *audio = data; + struct dw_hdmi *hdmi = audio->hdmi; + + dw_hdmi_audio_disable(hdmi); + + hdmi_write(audio, HDMI_AUD_CONF0_SW_RESET, HDMI_AUD_CONF0); +} + +static struct hdmi_codec_ops dw_hdmi_i2s_ops = { + .hw_params = dw_hdmi_i2s_hw_params, + .audio_shutdown = dw_hdmi_i2s_audio_shutdown, +}; + +static int snd_dw_hdmi_probe(struct platform_device *pdev) +{ + struct dw_hdmi_i2s_audio_data *audio = pdev->dev.platform_data; + struct platform_device_info pdevinfo; + struct hdmi_codec_pdata pdata; + struct platform_device *platform; + + pdata.ops = &dw_hdmi_i2s_ops; + pdata.i2s = 1; + pdata.max_i2s_channels = 6; + pdata.data = audio; + + memset(&pdevinfo, 0, sizeof(pdevinfo)); + pdevinfo.parent = pdev->dev.parent; + pdevinfo.id = PLATFORM_DEVID_AUTO; + pdevinfo.name = HDMI_CODEC_DRV_NAME; + pdevinfo.data = &pdata; + pdevinfo.size_data = sizeof(pdata); + pdevinfo.dma_mask = DMA_BIT_MASK(32); + + platform = platform_device_register_full(&pdevinfo); + if (IS_ERR(platform)) + return PTR_ERR(platform); + + dev_set_drvdata(&pdev->dev, platform); + + return 0; +} + +static int snd_dw_hdmi_remove(struct platform_device *pdev) +{ + struct platform_device *platform = dev_get_drvdata(&pdev->dev); + + platform_device_unregister(platform); + + return 0; +} + +static struct platform_driver snd_dw_hdmi_driver = { + .probe = snd_dw_hdmi_probe, + .remove = snd_dw_hdmi_remove, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; +module_platform_driver(snd_dw_hdmi_driver); + +MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); +MODULE_DESCRIPTION("Synopsis Designware HDMI I2S ALSA SoC interface"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c index ab7023e5dfde..9a9ec27d9e28 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/dw-hdmi.c @@ -1,14 +1,15 @@ /* + * DesignWare High-Definition Multimedia Interface (HDMI) driver + * + * Copyright (C) 2013-2015 Mentor Graphics Inc. * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * - * Designware High-Definition Multimedia Interface (HDMI) driver - * - * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> */ #include <linux/module.h> #include <linux/irq.h> @@ -101,16 +102,35 @@ struct hdmi_data_info { struct hdmi_vmode video_mode; }; +struct dw_hdmi_i2c { + struct i2c_adapter adap; + + struct mutex lock; /* used to serialize data transfers */ + struct completion cmp; + u8 stat; + + u8 slave_reg; + bool is_regaddr; +}; + +struct dw_hdmi_phy_data { + enum dw_hdmi_phy_type type; + const char *name; + bool has_svsret; +}; + struct dw_hdmi { struct drm_connector connector; - struct drm_encoder *encoder; - struct drm_bridge *bridge; + struct drm_bridge bridge; - struct platform_device *audio; enum dw_hdmi_devtype dev_type; + unsigned int version; + + struct platform_device *audio; struct device *dev; struct clk *isfr_clk; struct clk *iahb_clk; + struct dw_hdmi_i2c *i2c; struct hdmi_data_info hdmi_data; const struct dw_hdmi_plat_data *plat_data; @@ -120,7 +140,9 @@ struct dw_hdmi { u8 edid[HDMI_EDID_LEN]; bool cable_plugin; + const struct dw_hdmi_phy_data *phy; bool phy_enabled; + struct drm_display_mode previous_mode; struct i2c_adapter *ddc; @@ -198,6 +220,201 @@ static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg, hdmi_modb(hdmi, data << shift, mask, reg); } +static void dw_hdmi_i2c_init(struct dw_hdmi *hdmi) +{ + /* Software reset */ + hdmi_writeb(hdmi, 0x00, HDMI_I2CM_SOFTRSTZ); + + /* Set Standard Mode speed (determined to be 100KHz on iMX6) */ + hdmi_writeb(hdmi, 0x00, HDMI_I2CM_DIV); + + /* Set done, not acknowledged and arbitration interrupt polarities */ + hdmi_writeb(hdmi, HDMI_I2CM_INT_DONE_POL, HDMI_I2CM_INT); + hdmi_writeb(hdmi, HDMI_I2CM_CTLINT_NAC_POL | HDMI_I2CM_CTLINT_ARB_POL, + HDMI_I2CM_CTLINT); + + /* Clear DONE and ERROR interrupts */ + hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE, + HDMI_IH_I2CM_STAT0); + + /* Mute DONE and ERROR interrupts */ + hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE, + HDMI_IH_MUTE_I2CM_STAT0); +} + +static int dw_hdmi_i2c_read(struct dw_hdmi *hdmi, + unsigned char *buf, unsigned int length) +{ + struct dw_hdmi_i2c *i2c = hdmi->i2c; + int stat; + + if (!i2c->is_regaddr) { + dev_dbg(hdmi->dev, "set read register address to 0\n"); + i2c->slave_reg = 0x00; + i2c->is_regaddr = true; + } + + while (length--) { + reinit_completion(&i2c->cmp); + + hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS); + hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_READ, + HDMI_I2CM_OPERATION); + + stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10); + if (!stat) + return -EAGAIN; + + /* Check for error condition on the bus */ + if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR) + return -EIO; + + *buf++ = hdmi_readb(hdmi, HDMI_I2CM_DATAI); + } + + return 0; +} + +static int dw_hdmi_i2c_write(struct dw_hdmi *hdmi, + unsigned char *buf, unsigned int length) +{ + struct dw_hdmi_i2c *i2c = hdmi->i2c; + int stat; + + if (!i2c->is_regaddr) { + /* Use the first write byte as register address */ + i2c->slave_reg = buf[0]; + length--; + buf++; + i2c->is_regaddr = true; + } + + while (length--) { + reinit_completion(&i2c->cmp); + + hdmi_writeb(hdmi, *buf++, HDMI_I2CM_DATAO); + hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS); + hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_WRITE, + HDMI_I2CM_OPERATION); + + stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10); + if (!stat) + return -EAGAIN; + + /* Check for error condition on the bus */ + if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR) + return -EIO; + } + + return 0; +} + +static int dw_hdmi_i2c_xfer(struct i2c_adapter *adap, + struct i2c_msg *msgs, int num) +{ + struct dw_hdmi *hdmi = i2c_get_adapdata(adap); + struct dw_hdmi_i2c *i2c = hdmi->i2c; + u8 addr = msgs[0].addr; + int i, ret = 0; + + dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr); + + for (i = 0; i < num; i++) { + if (msgs[i].addr != addr) { + dev_warn(hdmi->dev, + "unsupported transfer, changed slave address\n"); + return -EOPNOTSUPP; + } + + if (msgs[i].len == 0) { + dev_dbg(hdmi->dev, + "unsupported transfer %d/%d, no data\n", + i + 1, num); + return -EOPNOTSUPP; + } + } + + mutex_lock(&i2c->lock); + + /* Unmute DONE and ERROR interrupts */ + hdmi_writeb(hdmi, 0x00, HDMI_IH_MUTE_I2CM_STAT0); + + /* Set slave device address taken from the first I2C message */ + hdmi_writeb(hdmi, addr, HDMI_I2CM_SLAVE); + + /* Set slave device register address on transfer */ + i2c->is_regaddr = false; + + for (i = 0; i < num; i++) { + dev_dbg(hdmi->dev, "xfer: num: %d/%d, len: %d, flags: %#x\n", + i + 1, num, msgs[i].len, msgs[i].flags); + + if (msgs[i].flags & I2C_M_RD) + ret = dw_hdmi_i2c_read(hdmi, msgs[i].buf, msgs[i].len); + else + ret = dw_hdmi_i2c_write(hdmi, msgs[i].buf, msgs[i].len); + + if (ret < 0) + break; + } + + if (!ret) + ret = num; + + /* Mute DONE and ERROR interrupts */ + hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE, + HDMI_IH_MUTE_I2CM_STAT0); + + mutex_unlock(&i2c->lock); + + return ret; +} + +static u32 dw_hdmi_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm dw_hdmi_algorithm = { + .master_xfer = dw_hdmi_i2c_xfer, + .functionality = dw_hdmi_i2c_func, +}; + +static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi) +{ + struct i2c_adapter *adap; + struct dw_hdmi_i2c *i2c; + int ret; + + i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL); + if (!i2c) + return ERR_PTR(-ENOMEM); + + mutex_init(&i2c->lock); + init_completion(&i2c->cmp); + + adap = &i2c->adap; + adap->class = I2C_CLASS_DDC; + adap->owner = THIS_MODULE; + adap->dev.parent = hdmi->dev; + adap->algo = &dw_hdmi_algorithm; + strlcpy(adap->name, "DesignWare HDMI", sizeof(adap->name)); + i2c_set_adapdata(adap, hdmi); + + ret = i2c_add_adapter(adap); + if (ret) { + dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name); + devm_kfree(hdmi->dev, i2c); + return ERR_PTR(ret); + } + + hdmi->i2c = i2c; + + dev_info(hdmi->dev, "registered %s I2C bus driver\n", adap->name); + + return adap; +} + static void hdmi_set_cts_n(struct dw_hdmi *hdmi, unsigned int cts, unsigned int n) { @@ -660,7 +877,7 @@ static bool hdmi_phy_wait_i2c_done(struct dw_hdmi *hdmi, int msec) return true; } -static void __hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, +static void hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, unsigned char addr) { hdmi_writeb(hdmi, 0xFF, HDMI_IH_I2CMPHY_STAT0); @@ -674,13 +891,6 @@ static void __hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, hdmi_phy_wait_i2c_done(hdmi, 1000); } -static int hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, - unsigned char addr) -{ - __hdmi_phy_i2c_write(hdmi, data, addr); - return 0; -} - static void dw_hdmi_phy_enable_powerdown(struct dw_hdmi *hdmi, bool enable) { hdmi_mask_writeb(hdmi, !enable, HDMI_PHY_CONF0, @@ -695,11 +905,11 @@ static void dw_hdmi_phy_enable_tmds(struct dw_hdmi *hdmi, u8 enable) HDMI_PHY_CONF0_ENTMDS_MASK); } -static void dw_hdmi_phy_enable_spare(struct dw_hdmi *hdmi, u8 enable) +static void dw_hdmi_phy_enable_svsret(struct dw_hdmi *hdmi, u8 enable) { hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, - HDMI_PHY_CONF0_SPARECTRL_OFFSET, - HDMI_PHY_CONF0_SPARECTRL_MASK); + HDMI_PHY_CONF0_SVSRET_OFFSET, + HDMI_PHY_CONF0_SVSRET_MASK); } static void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable) @@ -730,34 +940,14 @@ static void dw_hdmi_phy_sel_interface_control(struct dw_hdmi *hdmi, u8 enable) HDMI_PHY_CONF0_SELDIPIF_MASK); } -static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep, - unsigned char res, int cscon) +static int hdmi_phy_configure(struct dw_hdmi *hdmi, int cscon) { - unsigned res_idx; u8 val, msec; const struct dw_hdmi_plat_data *pdata = hdmi->plat_data; const struct dw_hdmi_mpll_config *mpll_config = pdata->mpll_cfg; const struct dw_hdmi_curr_ctrl *curr_ctrl = pdata->cur_ctr; const struct dw_hdmi_phy_config *phy_config = pdata->phy_config; - if (prep) - return -EINVAL; - - switch (res) { - case 0: /* color resolution 0 is 8 bit colour depth */ - case 8: - res_idx = DW_HDMI_RES_8; - break; - case 10: - res_idx = DW_HDMI_RES_10; - break; - case 12: - res_idx = DW_HDMI_RES_12; - break; - default: - return -EINVAL; - } - /* PLL/MPLL Cfg - always match on final entry */ for (; mpll_config->mpixelclock != ~0UL; mpll_config++) if (hdmi->hdmi_data.video_mode.mpixelclock <= @@ -796,9 +986,13 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep, /* gen2 pddq */ dw_hdmi_phy_gen2_pddq(hdmi, 1); - /* PHY reset */ - hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ); - hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_ASSERT, HDMI_MC_PHYRSTZ); + /* Leave low power consumption mode by asserting SVSRET. */ + if (hdmi->phy->has_svsret) + dw_hdmi_phy_enable_svsret(hdmi, 1); + + /* PHY reset. The reset signal is active high on Gen2 PHYs. */ + hdmi_writeb(hdmi, HDMI_MC_PHYRSTZ_PHYRSTZ, HDMI_MC_PHYRSTZ); + hdmi_writeb(hdmi, 0, HDMI_MC_PHYRSTZ); hdmi_writeb(hdmi, HDMI_MC_HEACPHY_RST_ASSERT, HDMI_MC_HEACPHY_RST); @@ -807,21 +1001,26 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep, HDMI_PHY_I2CM_SLAVE_ADDR); hdmi_phy_test_clear(hdmi, 0); - hdmi_phy_i2c_write(hdmi, mpll_config->res[res_idx].cpce, 0x06); - hdmi_phy_i2c_write(hdmi, mpll_config->res[res_idx].gmp, 0x15); - - /* CURRCTRL */ - hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[res_idx], 0x10); + hdmi_phy_i2c_write(hdmi, mpll_config->res[0].cpce, + HDMI_3D_TX_PHY_CPCE_CTRL); + hdmi_phy_i2c_write(hdmi, mpll_config->res[0].gmp, + HDMI_3D_TX_PHY_GMPCTRL); + hdmi_phy_i2c_write(hdmi, curr_ctrl->curr[0], + HDMI_3D_TX_PHY_CURRCTRL); - hdmi_phy_i2c_write(hdmi, 0x0000, 0x13); /* PLLPHBYCTRL */ - hdmi_phy_i2c_write(hdmi, 0x0006, 0x17); + hdmi_phy_i2c_write(hdmi, 0, HDMI_3D_TX_PHY_PLLPHBYCTRL); + hdmi_phy_i2c_write(hdmi, HDMI_3D_TX_PHY_MSM_CTRL_CKO_SEL_FB_CLK, + HDMI_3D_TX_PHY_MSM_CTRL); - hdmi_phy_i2c_write(hdmi, phy_config->term, 0x19); /* TXTERM */ - hdmi_phy_i2c_write(hdmi, phy_config->sym_ctr, 0x09); /* CKSYMTXCTRL */ - hdmi_phy_i2c_write(hdmi, phy_config->vlev_ctr, 0x0E); /* VLEVCTRL */ + hdmi_phy_i2c_write(hdmi, phy_config->term, HDMI_3D_TX_PHY_TXTERM); + hdmi_phy_i2c_write(hdmi, phy_config->sym_ctr, + HDMI_3D_TX_PHY_CKSYMTXCTRL); + hdmi_phy_i2c_write(hdmi, phy_config->vlev_ctr, + HDMI_3D_TX_PHY_VLEVCTRL); - /* REMOVE CLK TERM */ - hdmi_phy_i2c_write(hdmi, 0x8000, 0x05); /* CKCALCTRL */ + /* Override and disable clock termination. */ + hdmi_phy_i2c_write(hdmi, HDMI_3D_TX_PHY_CKCALCTRL_OVERRIDE, + HDMI_3D_TX_PHY_CKCALCTRL); dw_hdmi_phy_enable_powerdown(hdmi, false); @@ -833,10 +1032,7 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep, dw_hdmi_phy_gen2_txpwron(hdmi, 1); dw_hdmi_phy_gen2_pddq(hdmi, 0); - if (hdmi->dev_type == RK3288_HDMI) - dw_hdmi_phy_enable_spare(hdmi, 1); - - /*Wait for PHY PLL lock */ + /* Wait for PHY PLL lock */ msec = 5; do { val = hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_TX_PHY_LOCK; @@ -871,7 +1067,7 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi) dw_hdmi_phy_enable_powerdown(hdmi, true); /* Enable CSC */ - ret = hdmi_phy_configure(hdmi, 0, 8, cscon); + ret = hdmi_phy_configure(hdmi, cscon); if (ret) return ret; } @@ -1143,19 +1339,38 @@ static void hdmi_enable_audio_clk(struct dw_hdmi *hdmi) /* Workaround to clear the overflow condition */ static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi) { - int count; + unsigned int count; + unsigned int i; u8 val; - /* TMDS software reset */ - hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ); + /* + * Under some circumstances the Frame Composer arithmetic unit can miss + * an FC register write due to being busy processing the previous one. + * The issue can be worked around by issuing a TMDS software reset and + * then write one of the FC registers several times. + * + * The number of iterations matters and depends on the HDMI TX revision + * (and possibly on the platform). So far only i.MX6Q (v1.30a) and + * i.MX6DL (v1.31a) have been identified as needing the workaround, with + * 4 and 1 iterations respectively. + */ - val = hdmi_readb(hdmi, HDMI_FC_INVIDCONF); - if (hdmi->dev_type == IMX6DL_HDMI) { - hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF); + switch (hdmi->version) { + case 0x130a: + count = 4; + break; + case 0x131a: + count = 1; + break; + default: return; } - for (count = 0; count < 4; count++) + /* TMDS software reset */ + hdmi_writeb(hdmi, (u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ); + + val = hdmi_readb(hdmi, HDMI_FC_INVIDCONF); + for (i = 0; i < count; i++) hdmi_writeb(hdmi, val, HDMI_FC_INVIDCONF); } @@ -1378,42 +1593,6 @@ static void dw_hdmi_update_phy_mask(struct dw_hdmi *hdmi) hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0); } -static void dw_hdmi_bridge_mode_set(struct drm_bridge *bridge, - struct drm_display_mode *orig_mode, - struct drm_display_mode *mode) -{ - struct dw_hdmi *hdmi = bridge->driver_private; - - mutex_lock(&hdmi->mutex); - - /* Store the display mode for plugin/DKMS poweron events */ - memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode)); - - mutex_unlock(&hdmi->mutex); -} - -static void dw_hdmi_bridge_disable(struct drm_bridge *bridge) -{ - struct dw_hdmi *hdmi = bridge->driver_private; - - mutex_lock(&hdmi->mutex); - hdmi->disabled = true; - dw_hdmi_update_power(hdmi); - dw_hdmi_update_phy_mask(hdmi); - mutex_unlock(&hdmi->mutex); -} - -static void dw_hdmi_bridge_enable(struct drm_bridge *bridge) -{ - struct dw_hdmi *hdmi = bridge->driver_private; - - mutex_lock(&hdmi->mutex); - hdmi->disabled = false; - dw_hdmi_update_power(hdmi); - dw_hdmi_update_phy_mask(hdmi); - mutex_unlock(&hdmi->mutex); -} - static enum drm_connector_status dw_hdmi_connector_detect(struct drm_connector *connector, bool force) { @@ -1506,22 +1685,102 @@ static const struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = .best_encoder = drm_atomic_helper_best_encoder, }; +static int dw_hdmi_bridge_attach(struct drm_bridge *bridge) +{ + struct dw_hdmi *hdmi = bridge->driver_private; + struct drm_encoder *encoder = bridge->encoder; + struct drm_connector *connector = &hdmi->connector; + + connector->interlace_allowed = 1; + connector->polled = DRM_CONNECTOR_POLL_HPD; + + drm_connector_helper_add(connector, &dw_hdmi_connector_helper_funcs); + + drm_connector_init(bridge->dev, connector, &dw_hdmi_connector_funcs, + DRM_MODE_CONNECTOR_HDMIA); + + drm_mode_connector_attach_encoder(connector, encoder); + + return 0; +} + +static void dw_hdmi_bridge_mode_set(struct drm_bridge *bridge, + struct drm_display_mode *orig_mode, + struct drm_display_mode *mode) +{ + struct dw_hdmi *hdmi = bridge->driver_private; + + mutex_lock(&hdmi->mutex); + + /* Store the display mode for plugin/DKMS poweron events */ + memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode)); + + mutex_unlock(&hdmi->mutex); +} + +static void dw_hdmi_bridge_disable(struct drm_bridge *bridge) +{ + struct dw_hdmi *hdmi = bridge->driver_private; + + mutex_lock(&hdmi->mutex); + hdmi->disabled = true; + dw_hdmi_update_power(hdmi); + dw_hdmi_update_phy_mask(hdmi); + mutex_unlock(&hdmi->mutex); +} + +static void dw_hdmi_bridge_enable(struct drm_bridge *bridge) +{ + struct dw_hdmi *hdmi = bridge->driver_private; + + mutex_lock(&hdmi->mutex); + hdmi->disabled = false; + dw_hdmi_update_power(hdmi); + dw_hdmi_update_phy_mask(hdmi); + mutex_unlock(&hdmi->mutex); +} + static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = { + .attach = dw_hdmi_bridge_attach, .enable = dw_hdmi_bridge_enable, .disable = dw_hdmi_bridge_disable, .mode_set = dw_hdmi_bridge_mode_set, }; +static irqreturn_t dw_hdmi_i2c_irq(struct dw_hdmi *hdmi) +{ + struct dw_hdmi_i2c *i2c = hdmi->i2c; + unsigned int stat; + + stat = hdmi_readb(hdmi, HDMI_IH_I2CM_STAT0); + if (!stat) + return IRQ_NONE; + + hdmi_writeb(hdmi, stat, HDMI_IH_I2CM_STAT0); + + i2c->stat = stat; + + complete(&i2c->cmp); + + return IRQ_HANDLED; +} + static irqreturn_t dw_hdmi_hardirq(int irq, void *dev_id) { struct dw_hdmi *hdmi = dev_id; u8 intr_stat; + irqreturn_t ret = IRQ_NONE; + + if (hdmi->i2c) + ret = dw_hdmi_i2c_irq(hdmi); intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0); - if (intr_stat) + if (intr_stat) { hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0); + return IRQ_WAKE_THREAD; + } - return intr_stat ? IRQ_WAKE_THREAD : IRQ_NONE; + return ret; } static irqreturn_t dw_hdmi_irq(int irq, void *dev_id) @@ -1584,7 +1843,8 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id) if (intr_stat & HDMI_IH_PHY_STAT0_HPD) { dev_dbg(hdmi->dev, "EVENT=%s\n", phy_int_pol & HDMI_PHY_HPD ? "plugin" : "plugout"); - drm_helper_hpd_irq_event(hdmi->bridge->dev); + if (hdmi->bridge.dev) + drm_helper_hpd_irq_event(hdmi->bridge.dev); } hdmi_writeb(hdmi, intr_stat, HDMI_IH_PHY_STAT0); @@ -1594,67 +1854,80 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id) return IRQ_HANDLED; } -static int dw_hdmi_register(struct drm_device *drm, struct dw_hdmi *hdmi) -{ - struct drm_encoder *encoder = hdmi->encoder; - struct drm_bridge *bridge; - int ret; - - bridge = devm_kzalloc(drm->dev, sizeof(*bridge), GFP_KERNEL); - if (!bridge) { - DRM_ERROR("Failed to allocate drm bridge\n"); - return -ENOMEM; - } - - hdmi->bridge = bridge; - bridge->driver_private = hdmi; - bridge->funcs = &dw_hdmi_bridge_funcs; - ret = drm_bridge_attach(drm, bridge); - if (ret) { - DRM_ERROR("Failed to initialize bridge with drm\n"); - return -EINVAL; +static const struct dw_hdmi_phy_data dw_hdmi_phys[] = { + { + .type = DW_HDMI_PHY_DWC_HDMI_TX_PHY, + .name = "DWC HDMI TX PHY", + }, { + .type = DW_HDMI_PHY_DWC_MHL_PHY_HEAC, + .name = "DWC MHL PHY + HEAC PHY", + .has_svsret = true, + }, { + .type = DW_HDMI_PHY_DWC_MHL_PHY, + .name = "DWC MHL PHY", + .has_svsret = true, + }, { + .type = DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY_HEAC, + .name = "DWC HDMI 3D TX PHY + HEAC PHY", + }, { + .type = DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY, + .name = "DWC HDMI 3D TX PHY", + }, { + .type = DW_HDMI_PHY_DWC_HDMI20_TX_PHY, + .name = "DWC HDMI 2.0 TX PHY", + .has_svsret = true, } +}; - encoder->bridge = bridge; - hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD; +static int dw_hdmi_detect_phy(struct dw_hdmi *hdmi) +{ + unsigned int i; + u8 phy_type; - drm_connector_helper_add(&hdmi->connector, - &dw_hdmi_connector_helper_funcs); + phy_type = hdmi_readb(hdmi, HDMI_CONFIG2_ID); - drm_connector_init(drm, &hdmi->connector, - &dw_hdmi_connector_funcs, - DRM_MODE_CONNECTOR_HDMIA); + for (i = 0; i < ARRAY_SIZE(dw_hdmi_phys); ++i) { + if (dw_hdmi_phys[i].type == phy_type) { + hdmi->phy = &dw_hdmi_phys[i]; + return 0; + } + } - drm_mode_connector_attach_encoder(&hdmi->connector, encoder); + if (phy_type == DW_HDMI_PHY_VENDOR_PHY) + dev_err(hdmi->dev, "Unsupported vendor HDMI PHY\n"); + else + dev_err(hdmi->dev, "Unsupported HDMI PHY type (%02x)\n", + phy_type); - return 0; + return -ENODEV; } -int dw_hdmi_bind(struct device *dev, struct device *master, - void *data, struct drm_encoder *encoder, - struct resource *iores, int irq, - const struct dw_hdmi_plat_data *plat_data) +static struct dw_hdmi * +__dw_hdmi_probe(struct platform_device *pdev, + const struct dw_hdmi_plat_data *plat_data) { - struct drm_device *drm = data; + struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct platform_device_info pdevinfo; struct device_node *ddc_node; - struct dw_hdmi_audio_data audio; struct dw_hdmi *hdmi; + struct resource *iores; + int irq; int ret; u32 val = 1; + u8 prod_id0; + u8 prod_id1; + u8 config0; + u8 config3; hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); if (!hdmi) - return -ENOMEM; - - hdmi->connector.interlace_allowed = 1; + return ERR_PTR(-ENOMEM); hdmi->plat_data = plat_data; hdmi->dev = dev; hdmi->dev_type = plat_data->dev_type; hdmi->sample_rate = 48000; - hdmi->encoder = encoder; hdmi->disabled = true; hdmi->rxsense = true; hdmi->phy_mask = (u8)~(HDMI_PHY_HPD | HDMI_PHY_RX_SENSE); @@ -1676,37 +1949,40 @@ int dw_hdmi_bind(struct device *dev, struct device *master, break; default: dev_err(dev, "reg-io-width must be 1 or 4\n"); - return -EINVAL; + return ERR_PTR(-EINVAL); } ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); if (ddc_node) { - hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node); + hdmi->ddc = of_get_i2c_adapter_by_node(ddc_node); of_node_put(ddc_node); if (!hdmi->ddc) { dev_dbg(hdmi->dev, "failed to read ddc node\n"); - return -EPROBE_DEFER; + return ERR_PTR(-EPROBE_DEFER); } } else { dev_dbg(hdmi->dev, "no ddc property found\n"); } + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); hdmi->regs = devm_ioremap_resource(dev, iores); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (IS_ERR(hdmi->regs)) { + ret = PTR_ERR(hdmi->regs); + goto err_res; + } hdmi->isfr_clk = devm_clk_get(hdmi->dev, "isfr"); if (IS_ERR(hdmi->isfr_clk)) { ret = PTR_ERR(hdmi->isfr_clk); dev_err(hdmi->dev, "Unable to get HDMI isfr clk: %d\n", ret); - return ret; + goto err_res; } ret = clk_prepare_enable(hdmi->isfr_clk); if (ret) { dev_err(hdmi->dev, "Cannot enable HDMI isfr clock: %d\n", ret); - return ret; + goto err_res; } hdmi->iahb_clk = devm_clk_get(hdmi->dev, "iahb"); @@ -1723,15 +1999,36 @@ int dw_hdmi_bind(struct device *dev, struct device *master, } /* Product and revision IDs */ - dev_info(dev, - "Detected HDMI controller 0x%x:0x%x:0x%x:0x%x\n", - hdmi_readb(hdmi, HDMI_DESIGN_ID), - hdmi_readb(hdmi, HDMI_REVISION_ID), - hdmi_readb(hdmi, HDMI_PRODUCT_ID0), - hdmi_readb(hdmi, HDMI_PRODUCT_ID1)); + hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8) + | (hdmi_readb(hdmi, HDMI_REVISION_ID) << 0); + prod_id0 = hdmi_readb(hdmi, HDMI_PRODUCT_ID0); + prod_id1 = hdmi_readb(hdmi, HDMI_PRODUCT_ID1); + + if (prod_id0 != HDMI_PRODUCT_ID0_HDMI_TX || + (prod_id1 & ~HDMI_PRODUCT_ID1_HDCP) != HDMI_PRODUCT_ID1_HDMI_TX) { + dev_err(dev, "Unsupported HDMI controller (%04x:%02x:%02x)\n", + hdmi->version, prod_id0, prod_id1); + ret = -ENODEV; + goto err_iahb; + } + + ret = dw_hdmi_detect_phy(hdmi); + if (ret < 0) + goto err_iahb; + + dev_info(dev, "Detected HDMI TX controller v%x.%03x %s HDCP (%s)\n", + hdmi->version >> 12, hdmi->version & 0xfff, + prod_id1 & HDMI_PRODUCT_ID1_HDCP ? "with" : "without", + hdmi->phy->name); initialize_hdmi_ih_mutes(hdmi); + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + ret = irq; + goto err_iahb; + } + ret = devm_request_threaded_irq(dev, irq, dw_hdmi_hardirq, dw_hdmi_irq, IRQF_SHARED, dev_name(dev), hdmi); @@ -1744,6 +2041,13 @@ int dw_hdmi_bind(struct device *dev, struct device *master, */ hdmi_init_clk_regenerator(hdmi); + /* If DDC bus is not specified, try to register HDMI I2C bus */ + if (!hdmi->ddc) { + hdmi->ddc = dw_hdmi_i2c_adapter(hdmi); + if (IS_ERR(hdmi->ddc)) + hdmi->ddc = NULL; + } + /* * Configure registers related to HDMI interrupt * generation before registering IRQ. @@ -1754,11 +2058,13 @@ int dw_hdmi_bind(struct device *dev, struct device *master, hdmi_writeb(hdmi, HDMI_IH_PHY_STAT0_HPD | HDMI_IH_PHY_STAT0_RX_SENSE, HDMI_IH_PHY_STAT0); - ret = dw_hdmi_fb_registered(hdmi); - if (ret) - goto err_iahb; + hdmi->bridge.driver_private = hdmi; + hdmi->bridge.funcs = &dw_hdmi_bridge_funcs; +#ifdef CONFIG_OF + hdmi->bridge.of_node = pdev->dev.of_node; +#endif - ret = dw_hdmi_register(drm, hdmi); + ret = dw_hdmi_fb_registered(hdmi); if (ret) goto err_iahb; @@ -1770,7 +2076,12 @@ int dw_hdmi_bind(struct device *dev, struct device *master, pdevinfo.parent = dev; pdevinfo.id = PLATFORM_DEVID_AUTO; - if (hdmi_readb(hdmi, HDMI_CONFIG1_ID) & HDMI_CONFIG1_AHB) { + config0 = hdmi_readb(hdmi, HDMI_CONFIG0_ID); + config3 = hdmi_readb(hdmi, HDMI_CONFIG3_ID); + + if (config3 & HDMI_CONFIG3_AHBAUDDMA) { + struct dw_hdmi_audio_data audio; + audio.phys = iores->start; audio.base = hdmi->regs; audio.irq = irq; @@ -1782,25 +2093,45 @@ int dw_hdmi_bind(struct device *dev, struct device *master, pdevinfo.size_data = sizeof(audio); pdevinfo.dma_mask = DMA_BIT_MASK(32); hdmi->audio = platform_device_register_full(&pdevinfo); + } else if (config0 & HDMI_CONFIG0_I2S) { + struct dw_hdmi_i2s_audio_data audio; + + audio.hdmi = hdmi; + audio.write = hdmi_writeb; + audio.read = hdmi_readb; + + pdevinfo.name = "dw-hdmi-i2s-audio"; + pdevinfo.data = &audio; + pdevinfo.size_data = sizeof(audio); + pdevinfo.dma_mask = DMA_BIT_MASK(32); + hdmi->audio = platform_device_register_full(&pdevinfo); } - dev_set_drvdata(dev, hdmi); + /* Reset HDMI DDC I2C master controller and mute I2CM interrupts */ + if (hdmi->i2c) + dw_hdmi_i2c_init(hdmi); - return 0; + platform_set_drvdata(pdev, hdmi); + + return hdmi; err_iahb: + if (hdmi->i2c) { + i2c_del_adapter(&hdmi->i2c->adap); + hdmi->ddc = NULL; + } + clk_disable_unprepare(hdmi->iahb_clk); err_isfr: clk_disable_unprepare(hdmi->isfr_clk); +err_res: + i2c_put_adapter(hdmi->ddc); - return ret; + return ERR_PTR(ret); } -EXPORT_SYMBOL_GPL(dw_hdmi_bind); -void dw_hdmi_unbind(struct device *dev, struct device *master, void *data) +static void __dw_hdmi_remove(struct dw_hdmi *hdmi) { - struct dw_hdmi *hdmi = dev_get_drvdata(dev); - if (hdmi->audio && !IS_ERR(hdmi->audio)) platform_device_unregister(hdmi->audio); @@ -1809,13 +2140,82 @@ void dw_hdmi_unbind(struct device *dev, struct device *master, void *data) clk_disable_unprepare(hdmi->iahb_clk); clk_disable_unprepare(hdmi->isfr_clk); - i2c_put_adapter(hdmi->ddc); + + if (hdmi->i2c) + i2c_del_adapter(&hdmi->i2c->adap); + else + i2c_put_adapter(hdmi->ddc); +} + +/* ----------------------------------------------------------------------------- + * Probe/remove API, used from platforms based on the DRM bridge API. + */ +int dw_hdmi_probe(struct platform_device *pdev, + const struct dw_hdmi_plat_data *plat_data) +{ + struct dw_hdmi *hdmi; + int ret; + + hdmi = __dw_hdmi_probe(pdev, plat_data); + if (IS_ERR(hdmi)) + return PTR_ERR(hdmi); + + ret = drm_bridge_add(&hdmi->bridge); + if (ret < 0) { + __dw_hdmi_remove(hdmi); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(dw_hdmi_probe); + +void dw_hdmi_remove(struct platform_device *pdev) +{ + struct dw_hdmi *hdmi = platform_get_drvdata(pdev); + + drm_bridge_remove(&hdmi->bridge); + + __dw_hdmi_remove(hdmi); +} +EXPORT_SYMBOL_GPL(dw_hdmi_remove); + +/* ----------------------------------------------------------------------------- + * Bind/unbind API, used from platforms based on the component framework. + */ +int dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder, + const struct dw_hdmi_plat_data *plat_data) +{ + struct dw_hdmi *hdmi; + int ret; + + hdmi = __dw_hdmi_probe(pdev, plat_data); + if (IS_ERR(hdmi)) + return PTR_ERR(hdmi); + + ret = drm_bridge_attach(encoder, &hdmi->bridge, NULL); + if (ret) { + dw_hdmi_remove(pdev); + DRM_ERROR("Failed to initialize bridge with drm\n"); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(dw_hdmi_bind); + +void dw_hdmi_unbind(struct device *dev) +{ + struct dw_hdmi *hdmi = dev_get_drvdata(dev); + + __dw_hdmi_remove(hdmi); } EXPORT_SYMBOL_GPL(dw_hdmi_unbind); MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); MODULE_AUTHOR("Andy Yan <andy.yan@rock-chips.com>"); MODULE_AUTHOR("Yakir Yang <ykk@rock-chips.com>"); +MODULE_AUTHOR("Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>"); MODULE_DESCRIPTION("DW HDMI transmitter driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:dw-hdmi"); diff --git a/drivers/gpu/drm/bridge/dw-hdmi.h b/drivers/gpu/drm/bridge/dw-hdmi.h index fc9a560429d6..325b0b8ae639 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.h +++ b/drivers/gpu/drm/bridge/dw-hdmi.h @@ -545,9 +545,24 @@ #define HDMI_I2CM_FS_SCL_LCNT_0_ADDR 0x7E12 enum { +/* PRODUCT_ID0 field values */ + HDMI_PRODUCT_ID0_HDMI_TX = 0xa0, + +/* PRODUCT_ID1 field values */ + HDMI_PRODUCT_ID1_HDCP = 0xc0, + HDMI_PRODUCT_ID1_HDMI_RX = 0x02, + HDMI_PRODUCT_ID1_HDMI_TX = 0x01, + +/* CONFIG0_ID field values */ + HDMI_CONFIG0_I2S = 0x10, + /* CONFIG1_ID field values */ HDMI_CONFIG1_AHB = 0x01, +/* CONFIG3_ID field values */ + HDMI_CONFIG3_AHBAUDDMA = 0x02, + HDMI_CONFIG3_GPAUD = 0x01, + /* IH_FC_INT2 field values */ HDMI_IH_FC_INT2_OVERFLOW_MASK = 0x03, HDMI_IH_FC_INT2_LOW_PRIORITY_OVERFLOW = 0x02, @@ -566,6 +581,10 @@ enum { HDMI_IH_PHY_STAT0_TX_PHY_LOCK = 0x2, HDMI_IH_PHY_STAT0_HPD = 0x1, +/* IH_I2CM_STAT0 and IH_MUTE_I2CM_STAT0 field values */ + HDMI_IH_I2CM_STAT0_DONE = 0x2, + HDMI_IH_I2CM_STAT0_ERROR = 0x1, + /* IH_MUTE_I2CMPHY_STAT0 field values */ HDMI_IH_MUTE_I2CMPHY_STAT0_I2CMPHYDONE = 0x2, HDMI_IH_MUTE_I2CMPHY_STAT0_I2CMPHYERROR = 0x1, @@ -840,8 +859,8 @@ enum { HDMI_PHY_CONF0_PDZ_OFFSET = 7, HDMI_PHY_CONF0_ENTMDS_MASK = 0x40, HDMI_PHY_CONF0_ENTMDS_OFFSET = 6, - HDMI_PHY_CONF0_SPARECTRL_MASK = 0x20, - HDMI_PHY_CONF0_SPARECTRL_OFFSET = 5, + HDMI_PHY_CONF0_SVSRET_MASK = 0x20, + HDMI_PHY_CONF0_SVSRET_OFFSET = 5, HDMI_PHY_CONF0_GEN2_PDDQ_MASK = 0x10, HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET = 4, HDMI_PHY_CONF0_GEN2_TXPWRON_MASK = 0x8, @@ -887,6 +906,17 @@ enum { HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL = 0x08, HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_MASK = 0x04, +/* AUD_CONF0 field values */ + HDMI_AUD_CONF0_SW_RESET = 0x80, + HDMI_AUD_CONF0_I2S_ALL_ENABLE = 0x2F, + +/* AUD_CONF1 field values */ + HDMI_AUD_CONF1_MODE_I2S = 0x00, + HDMI_AUD_CONF1_MODE_RIGHT_J = 0x02, + HDMI_AUD_CONF1_MODE_LEFT_J = 0x04, + HDMI_AUD_CONF1_WIDTH_16 = 0x10, + HDMI_AUD_CONF1_WIDTH_24 = 0x18, + /* AUD_CTS3 field values */ HDMI_AUD_CTS3_N_SHIFT_OFFSET = 5, HDMI_AUD_CTS3_N_SHIFT_MASK = 0xe0, @@ -901,6 +931,12 @@ enum { HDMI_AUD_CTS3_CTS_MANUAL = 0x10, HDMI_AUD_CTS3_AUDCTS19_16_MASK = 0x0f, +/* HDMI_AUD_INPUTCLKFS field values */ + HDMI_AUD_INPUTCLKFS_128FS = 0, + HDMI_AUD_INPUTCLKFS_256FS = 1, + HDMI_AUD_INPUTCLKFS_512FS = 2, + HDMI_AUD_INPUTCLKFS_64FS = 4, + /* AHB_DMA_CONF0 field values */ HDMI_AHB_DMA_CONF0_SW_FIFO_RST_OFFSET = 7, HDMI_AHB_DMA_CONF0_SW_FIFO_RST_MASK = 0x80, @@ -953,8 +989,7 @@ enum { HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS = 0x0, /* MC_PHYRSTZ field values */ - HDMI_MC_PHYRSTZ_ASSERT = 0x0, - HDMI_MC_PHYRSTZ_DEASSERT = 0x1, + HDMI_MC_PHYRSTZ_PHYRSTZ = 0x01, /* MC_HEACPHY_RST field values */ HDMI_MC_HEACPHY_RST_ASSERT = 0x1, @@ -1032,6 +1067,87 @@ enum { HDMI_A_VIDPOLCFG_HSYNCPOL_MASK = 0x2, HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_HIGH = 0x2, HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_LOW = 0x0, + +/* I2CM_OPERATION field values */ + HDMI_I2CM_OPERATION_WRITE = 0x10, + HDMI_I2CM_OPERATION_READ_EXT = 0x2, + HDMI_I2CM_OPERATION_READ = 0x1, + +/* I2CM_INT field values */ + HDMI_I2CM_INT_DONE_POL = 0x8, + HDMI_I2CM_INT_DONE_MASK = 0x4, + +/* I2CM_CTLINT field values */ + HDMI_I2CM_CTLINT_NAC_POL = 0x80, + HDMI_I2CM_CTLINT_NAC_MASK = 0x40, + HDMI_I2CM_CTLINT_ARB_POL = 0x8, + HDMI_I2CM_CTLINT_ARB_MASK = 0x4, }; +/* + * HDMI 3D TX PHY registers + */ +#define HDMI_3D_TX_PHY_PWRCTRL 0x00 +#define HDMI_3D_TX_PHY_SERDIVCTRL 0x01 +#define HDMI_3D_TX_PHY_SERCKCTRL 0x02 +#define HDMI_3D_TX_PHY_SERCKKILLCTRL 0x03 +#define HDMI_3D_TX_PHY_TXRESCTRL 0x04 +#define HDMI_3D_TX_PHY_CKCALCTRL 0x05 +#define HDMI_3D_TX_PHY_CPCE_CTRL 0x06 +#define HDMI_3D_TX_PHY_TXCLKMEASCTRL 0x07 +#define HDMI_3D_TX_PHY_TXMEASCTRL 0x08 +#define HDMI_3D_TX_PHY_CKSYMTXCTRL 0x09 +#define HDMI_3D_TX_PHY_CMPSEQCTRL 0x0a +#define HDMI_3D_TX_PHY_CMPPWRCTRL 0x0b +#define HDMI_3D_TX_PHY_CMPMODECTRL 0x0c +#define HDMI_3D_TX_PHY_MEASCTRL 0x0d +#define HDMI_3D_TX_PHY_VLEVCTRL 0x0e +#define HDMI_3D_TX_PHY_D2ACTRL 0x0f +#define HDMI_3D_TX_PHY_CURRCTRL 0x10 +#define HDMI_3D_TX_PHY_DRVANACTRL 0x11 +#define HDMI_3D_TX_PHY_PLLMEASCTRL 0x12 +#define HDMI_3D_TX_PHY_PLLPHBYCTRL 0x13 +#define HDMI_3D_TX_PHY_GRP_CTRL 0x14 +#define HDMI_3D_TX_PHY_GMPCTRL 0x15 +#define HDMI_3D_TX_PHY_MPLLMEASCTRL 0x16 +#define HDMI_3D_TX_PHY_MSM_CTRL 0x17 +#define HDMI_3D_TX_PHY_SCRPB_STATUS 0x18 +#define HDMI_3D_TX_PHY_TXTERM 0x19 +#define HDMI_3D_TX_PHY_PTRPT_ENBL 0x1a +#define HDMI_3D_TX_PHY_PATTERNGEN 0x1b +#define HDMI_3D_TX_PHY_SDCAP_MODE 0x1c +#define HDMI_3D_TX_PHY_SCOPEMODE 0x1d +#define HDMI_3D_TX_PHY_DIGTXMODE 0x1e +#define HDMI_3D_TX_PHY_STR_STATUS 0x1f +#define HDMI_3D_TX_PHY_SCOPECNT0 0x20 +#define HDMI_3D_TX_PHY_SCOPECNT1 0x21 +#define HDMI_3D_TX_PHY_SCOPECNT2 0x22 +#define HDMI_3D_TX_PHY_SCOPECNTCLK 0x23 +#define HDMI_3D_TX_PHY_SCOPESAMPLE 0x24 +#define HDMI_3D_TX_PHY_SCOPECNTMSB01 0x25 +#define HDMI_3D_TX_PHY_SCOPECNTMSB2CK 0x26 + +/* HDMI_3D_TX_PHY_CKCALCTRL values */ +#define HDMI_3D_TX_PHY_CKCALCTRL_OVERRIDE BIT(15) + +/* HDMI_3D_TX_PHY_MSM_CTRL values */ +#define HDMI_3D_TX_PHY_MSM_CTRL_MPLL_PH_SEL_CK BIT(13) +#define HDMI_3D_TX_PHY_MSM_CTRL_CKO_SEL_CLK_REF_MPLL (0 << 1) +#define HDMI_3D_TX_PHY_MSM_CTRL_CKO_SEL_OFF (1 << 1) +#define HDMI_3D_TX_PHY_MSM_CTRL_CKO_SEL_PCLK (2 << 1) +#define HDMI_3D_TX_PHY_MSM_CTRL_CKO_SEL_FB_CLK (3 << 1) +#define HDMI_3D_TX_PHY_MSM_CTRL_SCOPE_CK_SEL BIT(0) + +/* HDMI_3D_TX_PHY_PTRPT_ENBL values */ +#define HDMI_3D_TX_PHY_PTRPT_ENBL_OVERRIDE BIT(15) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_PG_SKIP_BIT2 BIT(8) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_PG_SKIP_BIT1 BIT(7) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_PG_SKIP_BIT0 BIT(6) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_CK_REF_ENB BIT(5) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_RCAL_ENB BIT(4) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_TX_CLK_ALIGN_ENB BIT(3) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_TX_READY BIT(2) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_CKO_WORD_ENB BIT(1) +#define HDMI_3D_TX_PHY_PTRPT_ENBL_REFCLK_ENB BIT(0) + #endif /* __DW_HDMI_H__ */ diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c index f1a99938e924..27f98c518dde 100644 --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c @@ -239,16 +239,9 @@ static const struct drm_connector_helper_funcs ptn3460_connector_helper_funcs = .get_modes = ptn3460_get_modes, }; -static enum drm_connector_status ptn3460_detect(struct drm_connector *connector, - bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs ptn3460_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = ptn3460_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c index 6f7c2f9860d2..ac8cc5b50d9f 100644 --- a/drivers/gpu/drm/bridge/parade-ps8622.c +++ b/drivers/gpu/drm/bridge/parade-ps8622.c @@ -477,16 +477,9 @@ static const struct drm_connector_helper_funcs ps8622_connector_helper_funcs = { .get_modes = ps8622_get_modes, }; -static enum drm_connector_status ps8622_detect(struct drm_connector *connector, - bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs ps8622_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = ps8622_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c new file mode 100644 index 000000000000..cdd0a9d44ba1 --- /dev/null +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -0,0 +1,2245 @@ +/* + * Silicon Image SiI8620 HDMI/MHL bridge driver + * + * Copyright (C) 2015, Samsung Electronics Co., Ltd. + * Andrzej Hajda <a.hajda@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <asm/unaligned.h> + +#include <drm/bridge/mhl.h> +#include <drm/drm_crtc.h> +#include <drm/drm_edid.h> + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> + +#include "sil-sii8620.h" + +#define SII8620_BURST_BUF_LEN 288 +#define VAL_RX_HDMI_CTRL2_DEFVAL VAL_RX_HDMI_CTRL2_IDLE_CNT(3) +#define MHL1_MAX_LCLK 225000 +#define MHL3_MAX_LCLK 600000 + +enum sii8620_mode { + CM_DISCONNECTED, + CM_DISCOVERY, + CM_MHL1, + CM_MHL3, + CM_ECBUS_S +}; + +enum sii8620_sink_type { + SINK_NONE, + SINK_HDMI, + SINK_DVI +}; + +enum sii8620_mt_state { + MT_STATE_READY, + MT_STATE_BUSY, + MT_STATE_DONE +}; + +struct sii8620 { + struct drm_bridge bridge; + struct device *dev; + struct clk *clk_xtal; + struct gpio_desc *gpio_reset; + struct gpio_desc *gpio_int; + struct regulator_bulk_data supplies[2]; + struct mutex lock; /* context lock, protects fields below */ + int error; + int pixel_clock; + unsigned int use_packed_pixel:1; + int video_code; + enum sii8620_mode mode; + enum sii8620_sink_type sink_type; + u8 cbus_status; + u8 stat[MHL_DST_SIZE]; + u8 xstat[MHL_XDS_SIZE]; + u8 devcap[MHL_DCAP_SIZE]; + u8 xdevcap[MHL_XDC_SIZE]; + u8 avif[HDMI_INFOFRAME_SIZE(AVI)]; + struct edid *edid; + unsigned int gen2_write_burst:1; + enum sii8620_mt_state mt_state; + struct list_head mt_queue; + struct { + int r_size; + int r_count; + int rx_ack; + int rx_count; + u8 rx_buf[32]; + int tx_count; + u8 tx_buf[32]; + } burst; +}; + +struct sii8620_mt_msg; + +typedef void (*sii8620_mt_msg_cb)(struct sii8620 *ctx, + struct sii8620_mt_msg *msg); + +typedef void (*sii8620_cb)(struct sii8620 *ctx, int ret); + +struct sii8620_mt_msg { + struct list_head node; + u8 reg[4]; + u8 ret; + sii8620_mt_msg_cb send; + sii8620_mt_msg_cb recv; + sii8620_cb continuation; +}; + +static const u8 sii8620_i2c_page[] = { + 0x39, /* Main System */ + 0x3d, /* TDM and HSIC */ + 0x49, /* TMDS Receiver, MHL EDID */ + 0x4d, /* eMSC, HDCP, HSIC */ + 0x5d, /* MHL Spec */ + 0x64, /* MHL CBUS */ + 0x59, /* Hardware TPI (Transmitter Programming Interface) */ + 0x61, /* eCBUS-S, eCBUS-D */ +}; + +static void sii8620_fetch_edid(struct sii8620 *ctx); +static void sii8620_set_upstream_edid(struct sii8620 *ctx); +static void sii8620_enable_hpd(struct sii8620 *ctx); +static void sii8620_mhl_disconnected(struct sii8620 *ctx); +static void sii8620_disconnect(struct sii8620 *ctx); + +static int sii8620_clear_error(struct sii8620 *ctx) +{ + int ret = ctx->error; + + ctx->error = 0; + return ret; +} + +static void sii8620_read_buf(struct sii8620 *ctx, u16 addr, u8 *buf, int len) +{ + struct device *dev = ctx->dev; + struct i2c_client *client = to_i2c_client(dev); + u8 data = addr; + struct i2c_msg msg[] = { + { + .addr = sii8620_i2c_page[addr >> 8], + .flags = client->flags, + .len = 1, + .buf = &data + }, + { + .addr = sii8620_i2c_page[addr >> 8], + .flags = client->flags | I2C_M_RD, + .len = len, + .buf = buf + }, + }; + int ret; + + if (ctx->error) + return; + + ret = i2c_transfer(client->adapter, msg, 2); + dev_dbg(dev, "read at %04x: %*ph, %d\n", addr, len, buf, ret); + + if (ret != 2) { + dev_err(dev, "Read at %#06x of %d bytes failed with code %d.\n", + addr, len, ret); + ctx->error = ret < 0 ? ret : -EIO; + } +} + +static u8 sii8620_readb(struct sii8620 *ctx, u16 addr) +{ + u8 ret; + + sii8620_read_buf(ctx, addr, &ret, 1); + return ret; +} + +static void sii8620_write_buf(struct sii8620 *ctx, u16 addr, const u8 *buf, + int len) +{ + struct device *dev = ctx->dev; + struct i2c_client *client = to_i2c_client(dev); + u8 data[2]; + struct i2c_msg msg = { + .addr = sii8620_i2c_page[addr >> 8], + .flags = client->flags, + .len = len + 1, + }; + int ret; + + if (ctx->error) + return; + + if (len > 1) { + msg.buf = kmalloc(len + 1, GFP_KERNEL); + if (!msg.buf) { + ctx->error = -ENOMEM; + return; + } + memcpy(msg.buf + 1, buf, len); + } else { + msg.buf = data; + msg.buf[1] = *buf; + } + + msg.buf[0] = addr; + + ret = i2c_transfer(client->adapter, &msg, 1); + dev_dbg(dev, "write at %04x: %*ph, %d\n", addr, len, buf, ret); + + if (ret != 1) { + dev_err(dev, "Write at %#06x of %*ph failed with code %d.\n", + addr, len, buf, ret); + ctx->error = ret ?: -EIO; + } + + if (len > 1) + kfree(msg.buf); +} + +#define sii8620_write(ctx, addr, arr...) \ +({\ + u8 d[] = { arr }; \ + sii8620_write_buf(ctx, addr, d, ARRAY_SIZE(d)); \ +}) + +static void __sii8620_write_seq(struct sii8620 *ctx, const u16 *seq, int len) +{ + int i; + + for (i = 0; i < len; i += 2) + sii8620_write(ctx, seq[i], seq[i + 1]); +} + +#define sii8620_write_seq(ctx, seq...) \ +({\ + const u16 d[] = { seq }; \ + __sii8620_write_seq(ctx, d, ARRAY_SIZE(d)); \ +}) + +#define sii8620_write_seq_static(ctx, seq...) \ +({\ + static const u16 d[] = { seq }; \ + __sii8620_write_seq(ctx, d, ARRAY_SIZE(d)); \ +}) + +static void sii8620_setbits(struct sii8620 *ctx, u16 addr, u8 mask, u8 val) +{ + val = (val & mask) | (sii8620_readb(ctx, addr) & ~mask); + sii8620_write(ctx, addr, val); +} + +static inline bool sii8620_is_mhl3(struct sii8620 *ctx) +{ + return ctx->mode >= CM_MHL3; +} + +static void sii8620_mt_cleanup(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg, *n; + + list_for_each_entry_safe(msg, n, &ctx->mt_queue, node) { + list_del(&msg->node); + kfree(msg); + } + ctx->mt_state = MT_STATE_READY; +} + +static void sii8620_mt_work(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg; + + if (ctx->error) + return; + if (ctx->mt_state == MT_STATE_BUSY || list_empty(&ctx->mt_queue)) + return; + + if (ctx->mt_state == MT_STATE_DONE) { + ctx->mt_state = MT_STATE_READY; + msg = list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg, + node); + list_del(&msg->node); + if (msg->recv) + msg->recv(ctx, msg); + if (msg->continuation) + msg->continuation(ctx, msg->ret); + kfree(msg); + } + + if (ctx->mt_state != MT_STATE_READY || list_empty(&ctx->mt_queue)) + return; + + ctx->mt_state = MT_STATE_BUSY; + msg = list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg, node); + if (msg->send) + msg->send(ctx, msg); +} + +static void sii8620_enable_gen2_write_burst(struct sii8620 *ctx) +{ + u8 ctrl = BIT_MDT_RCV_CTRL_MDT_RCV_EN; + + if (ctx->gen2_write_burst) + return; + + if (ctx->mode >= CM_MHL1) + ctrl |= BIT_MDT_RCV_CTRL_MDT_DELAY_RCV_EN; + + sii8620_write_seq(ctx, + REG_MDT_RCV_TIMEOUT, 100, + REG_MDT_RCV_CTRL, ctrl + ); + ctx->gen2_write_burst = 1; +} + +static void sii8620_disable_gen2_write_burst(struct sii8620 *ctx) +{ + if (!ctx->gen2_write_burst) + return; + + sii8620_write_seq_static(ctx, + REG_MDT_XMIT_CTRL, 0, + REG_MDT_RCV_CTRL, 0 + ); + ctx->gen2_write_burst = 0; +} + +static void sii8620_start_gen2_write_burst(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_MDT_INT_1_MASK, BIT_MDT_RCV_TIMEOUT + | BIT_MDT_RCV_SM_ABORT_PKT_RCVD | BIT_MDT_RCV_SM_ERROR + | BIT_MDT_XMIT_TIMEOUT | BIT_MDT_XMIT_SM_ABORT_PKT_RCVD + | BIT_MDT_XMIT_SM_ERROR, + REG_MDT_INT_0_MASK, BIT_MDT_XFIFO_EMPTY + | BIT_MDT_IDLE_AFTER_HAWB_DISABLE + | BIT_MDT_RFIFO_DATA_RDY + ); + sii8620_enable_gen2_write_burst(ctx); +} + +static void sii8620_mt_msc_cmd_send(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + if (msg->reg[0] == MHL_SET_INT && + msg->reg[1] == MHL_INT_REG(RCHANGE) && + msg->reg[2] == MHL_INT_RC_FEAT_REQ) + sii8620_enable_gen2_write_burst(ctx); + else + sii8620_disable_gen2_write_burst(ctx); + + switch (msg->reg[0]) { + case MHL_WRITE_STAT: + case MHL_SET_INT: + sii8620_write_buf(ctx, REG_MSC_CMD_OR_OFFSET, msg->reg + 1, 2); + sii8620_write(ctx, REG_MSC_COMMAND_START, + BIT_MSC_COMMAND_START_WRITE_STAT); + break; + case MHL_MSC_MSG: + sii8620_write_buf(ctx, REG_MSC_CMD_OR_OFFSET, msg->reg, 3); + sii8620_write(ctx, REG_MSC_COMMAND_START, + BIT_MSC_COMMAND_START_MSC_MSG); + break; + case MHL_READ_DEVCAP_REG: + case MHL_READ_XDEVCAP_REG: + sii8620_write(ctx, REG_MSC_CMD_OR_OFFSET, msg->reg[1]); + sii8620_write(ctx, REG_MSC_COMMAND_START, + BIT_MSC_COMMAND_START_READ_DEVCAP); + break; + default: + dev_err(ctx->dev, "%s: command %#x not supported\n", __func__, + msg->reg[0]); + } +} + +static struct sii8620_mt_msg *sii8620_mt_msg_new(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg = kzalloc(sizeof(*msg), GFP_KERNEL); + + if (!msg) + ctx->error = -ENOMEM; + else + list_add_tail(&msg->node, &ctx->mt_queue); + + return msg; +} + +static void sii8620_mt_set_cont(struct sii8620 *ctx, sii8620_cb cont) +{ + struct sii8620_mt_msg *msg; + + if (ctx->error) + return; + + if (list_empty(&ctx->mt_queue)) { + ctx->error = -EINVAL; + return; + } + msg = list_last_entry(&ctx->mt_queue, struct sii8620_mt_msg, node); + msg->continuation = cont; +} + +static void sii8620_mt_msc_cmd(struct sii8620 *ctx, u8 cmd, u8 arg1, u8 arg2) +{ + struct sii8620_mt_msg *msg = sii8620_mt_msg_new(ctx); + + if (!msg) + return; + + msg->reg[0] = cmd; + msg->reg[1] = arg1; + msg->reg[2] = arg2; + msg->send = sii8620_mt_msc_cmd_send; +} + +static void sii8620_mt_write_stat(struct sii8620 *ctx, u8 reg, u8 val) +{ + sii8620_mt_msc_cmd(ctx, MHL_WRITE_STAT, reg, val); +} + +static inline void sii8620_mt_set_int(struct sii8620 *ctx, u8 irq, u8 mask) +{ + sii8620_mt_msc_cmd(ctx, MHL_SET_INT, irq, mask); +} + +static void sii8620_mt_msc_msg(struct sii8620 *ctx, u8 cmd, u8 data) +{ + sii8620_mt_msc_cmd(ctx, MHL_MSC_MSG, cmd, data); +} + +static void sii8620_mt_rap(struct sii8620 *ctx, u8 code) +{ + sii8620_mt_msc_msg(ctx, MHL_MSC_MSG_RAP, code); +} + +static void sii8620_mt_read_devcap_send(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + u8 ctrl = BIT_EDID_CTRL_DEVCAP_SELECT_DEVCAP + | BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN; + + if (msg->reg[0] == MHL_READ_XDEVCAP) + ctrl |= BIT_EDID_CTRL_XDEVCAP_EN; + + sii8620_write_seq(ctx, + REG_INTR9_MASK, BIT_INTR9_DEVCAP_DONE, + REG_EDID_CTRL, ctrl, + REG_TPI_CBUS_START, BIT_TPI_CBUS_START_GET_DEVCAP_START + ); +} + +/* copy src to dst and set changed bits in src */ +static void sii8620_update_array(u8 *dst, u8 *src, int count) +{ + while (--count >= 0) { + *src ^= *dst; + *dst++ ^= *src++; + } +} + +static void sii8620_sink_detected(struct sii8620 *ctx, int ret) +{ + static const char * const sink_str[] = { + [SINK_NONE] = "NONE", + [SINK_HDMI] = "HDMI", + [SINK_DVI] = "DVI" + }; + + char sink_name[20]; + struct device *dev = ctx->dev; + + if (ret < 0) + return; + + sii8620_fetch_edid(ctx); + if (!ctx->edid) { + dev_err(ctx->dev, "Cannot fetch EDID\n"); + sii8620_mhl_disconnected(ctx); + return; + } + + if (drm_detect_hdmi_monitor(ctx->edid)) + ctx->sink_type = SINK_HDMI; + else + ctx->sink_type = SINK_DVI; + + drm_edid_get_monitor_name(ctx->edid, sink_name, ARRAY_SIZE(sink_name)); + + dev_info(dev, "detected sink(type: %s): %s\n", + sink_str[ctx->sink_type], sink_name); +} + +static void sii8620_hsic_init(struct sii8620 *ctx) +{ + if (!sii8620_is_mhl3(ctx)) + return; + + sii8620_write(ctx, REG_FCGC, + BIT_FCGC_HSIC_HOSTMODE | BIT_FCGC_HSIC_ENABLE); + sii8620_setbits(ctx, REG_HRXCTRL3, + BIT_HRXCTRL3_HRX_STAY_RESET | BIT_HRXCTRL3_STATUS_EN, ~0); + sii8620_setbits(ctx, REG_TTXNUMB, MSK_TTXNUMB_TTX_NUMBPS, 4); + sii8620_setbits(ctx, REG_TRXCTRL, BIT_TRXCTRL_TRX_FROM_SE_COC, ~0); + sii8620_setbits(ctx, REG_HTXCTRL, BIT_HTXCTRL_HTX_DRVCONN1, 0); + sii8620_setbits(ctx, REG_KEEPER, MSK_KEEPER_MODE, VAL_KEEPER_MODE_HOST); + sii8620_write_seq_static(ctx, + REG_TDMLLCTL, 0, + REG_UTSRST, BIT_UTSRST_HRX_SRST | BIT_UTSRST_HTX_SRST | + BIT_UTSRST_KEEPER_SRST | BIT_UTSRST_FC_SRST, + REG_UTSRST, BIT_UTSRST_HRX_SRST | BIT_UTSRST_HTX_SRST, + REG_HRXINTL, 0xff, + REG_HRXINTH, 0xff, + REG_TTXINTL, 0xff, + REG_TTXINTH, 0xff, + REG_TRXINTL, 0xff, + REG_TRXINTH, 0xff, + REG_HTXINTL, 0xff, + REG_HTXINTH, 0xff, + REG_FCINTR0, 0xff, + REG_FCINTR1, 0xff, + REG_FCINTR2, 0xff, + REG_FCINTR3, 0xff, + REG_FCINTR4, 0xff, + REG_FCINTR5, 0xff, + REG_FCINTR6, 0xff, + REG_FCINTR7, 0xff + ); +} + +static void sii8620_edid_read(struct sii8620 *ctx, int ret) +{ + if (ret < 0) + return; + + sii8620_set_upstream_edid(ctx); + sii8620_hsic_init(ctx); + sii8620_enable_hpd(ctx); +} + +static void sii8620_mr_devcap(struct sii8620 *ctx) +{ + u8 dcap[MHL_DCAP_SIZE]; + struct device *dev = ctx->dev; + + sii8620_read_buf(ctx, REG_EDID_FIFO_RD_DATA, dcap, MHL_DCAP_SIZE); + if (ctx->error < 0) + return; + + dev_info(dev, "detected dongle MHL %d.%d, ChipID %02x%02x:%02x%02x\n", + dcap[MHL_DCAP_MHL_VERSION] / 16, + dcap[MHL_DCAP_MHL_VERSION] % 16, + dcap[MHL_DCAP_ADOPTER_ID_H], dcap[MHL_DCAP_ADOPTER_ID_L], + dcap[MHL_DCAP_DEVICE_ID_H], dcap[MHL_DCAP_DEVICE_ID_L]); + sii8620_update_array(ctx->devcap, dcap, MHL_DCAP_SIZE); +} + +static void sii8620_mr_xdevcap(struct sii8620 *ctx) +{ + sii8620_read_buf(ctx, REG_EDID_FIFO_RD_DATA, ctx->xdevcap, + MHL_XDC_SIZE); +} + +static void sii8620_mt_read_devcap_recv(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + u8 ctrl = BIT_EDID_CTRL_DEVCAP_SELECT_DEVCAP + | BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN; + + if (msg->reg[0] == MHL_READ_XDEVCAP) + ctrl |= BIT_EDID_CTRL_XDEVCAP_EN; + + sii8620_write_seq(ctx, + REG_INTR9_MASK, BIT_INTR9_DEVCAP_DONE | BIT_INTR9_EDID_DONE + | BIT_INTR9_EDID_ERROR, + REG_EDID_CTRL, ctrl, + REG_EDID_FIFO_ADDR, 0 + ); + + if (msg->reg[0] == MHL_READ_XDEVCAP) + sii8620_mr_xdevcap(ctx); + else + sii8620_mr_devcap(ctx); +} + +static void sii8620_mt_read_devcap(struct sii8620 *ctx, bool xdevcap) +{ + struct sii8620_mt_msg *msg = sii8620_mt_msg_new(ctx); + + if (!msg) + return; + + msg->reg[0] = xdevcap ? MHL_READ_XDEVCAP : MHL_READ_DEVCAP; + msg->send = sii8620_mt_read_devcap_send; + msg->recv = sii8620_mt_read_devcap_recv; +} + +static void sii8620_mt_read_devcap_reg_recv(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + u8 reg = msg->reg[0] & 0x7f; + + if (msg->reg[0] & 0x80) + ctx->xdevcap[reg] = msg->ret; + else + ctx->devcap[reg] = msg->ret; +} + +static void sii8620_mt_read_devcap_reg(struct sii8620 *ctx, u8 reg) +{ + struct sii8620_mt_msg *msg = sii8620_mt_msg_new(ctx); + + if (!msg) + return; + + msg->reg[0] = (reg & 0x80) ? MHL_READ_XDEVCAP_REG : MHL_READ_DEVCAP_REG; + msg->reg[1] = reg; + msg->send = sii8620_mt_msc_cmd_send; + msg->recv = sii8620_mt_read_devcap_reg_recv; +} + +static inline void sii8620_mt_read_xdevcap_reg(struct sii8620 *ctx, u8 reg) +{ + sii8620_mt_read_devcap_reg(ctx, reg | 0x80); +} + +static void *sii8620_burst_get_tx_buf(struct sii8620 *ctx, int len) +{ + u8 *buf = &ctx->burst.tx_buf[ctx->burst.tx_count]; + int size = len + 2; + + if (ctx->burst.tx_count + size > ARRAY_SIZE(ctx->burst.tx_buf)) { + dev_err(ctx->dev, "TX-BLK buffer exhausted\n"); + ctx->error = -EINVAL; + return NULL; + } + + ctx->burst.tx_count += size; + buf[1] = len; + + return buf + 2; +} + +static u8 *sii8620_burst_get_rx_buf(struct sii8620 *ctx, int len) +{ + u8 *buf = &ctx->burst.rx_buf[ctx->burst.rx_count]; + int size = len + 1; + + if (ctx->burst.tx_count + size > ARRAY_SIZE(ctx->burst.tx_buf)) { + dev_err(ctx->dev, "RX-BLK buffer exhausted\n"); + ctx->error = -EINVAL; + return NULL; + } + + ctx->burst.rx_count += size; + buf[0] = len; + + return buf + 1; +} + +static void sii8620_burst_send(struct sii8620 *ctx) +{ + int tx_left = ctx->burst.tx_count; + u8 *d = ctx->burst.tx_buf; + + while (tx_left > 0) { + int len = d[1] + 2; + + if (ctx->burst.r_count + len > ctx->burst.r_size) + break; + d[0] = min(ctx->burst.rx_ack, 255); + ctx->burst.rx_ack -= d[0]; + sii8620_write_buf(ctx, REG_EMSC_XMIT_WRITE_PORT, d, len); + ctx->burst.r_count += len; + tx_left -= len; + d += len; + } + + ctx->burst.tx_count = tx_left; + + while (ctx->burst.rx_ack > 0) { + u8 b[2] = { min(ctx->burst.rx_ack, 255), 0 }; + + if (ctx->burst.r_count + 2 > ctx->burst.r_size) + break; + ctx->burst.rx_ack -= b[0]; + sii8620_write_buf(ctx, REG_EMSC_XMIT_WRITE_PORT, b, 2); + ctx->burst.r_count += 2; + } +} + +static void sii8620_burst_receive(struct sii8620 *ctx) +{ + u8 buf[3], *d; + int count; + + sii8620_read_buf(ctx, REG_EMSCRFIFOBCNTL, buf, 2); + count = get_unaligned_le16(buf); + while (count > 0) { + int len = min(count, 3); + + sii8620_read_buf(ctx, REG_EMSC_RCV_READ_PORT, buf, len); + count -= len; + ctx->burst.rx_ack += len - 1; + ctx->burst.r_count -= buf[1]; + if (ctx->burst.r_count < 0) + ctx->burst.r_count = 0; + + if (len < 3 || !buf[2]) + continue; + + len = buf[2]; + d = sii8620_burst_get_rx_buf(ctx, len); + if (!d) + continue; + sii8620_read_buf(ctx, REG_EMSC_RCV_READ_PORT, d, len); + count -= len; + ctx->burst.rx_ack += len; + } +} + +static void sii8620_burst_tx_rbuf_info(struct sii8620 *ctx, int size) +{ + struct mhl_burst_blk_rcv_buffer_info *d = + sii8620_burst_get_tx_buf(ctx, sizeof(*d)); + if (!d) + return; + + d->id = cpu_to_be16(MHL_BURST_ID_BLK_RCV_BUFFER_INFO); + d->size = cpu_to_le16(size); +} + +static u8 sii8620_checksum(void *ptr, int size) +{ + u8 *d = ptr, sum = 0; + + while (size--) + sum += *d++; + + return sum; +} + +static void sii8620_mhl_burst_hdr_set(struct mhl3_burst_header *h, + enum mhl_burst_id id) +{ + h->id = cpu_to_be16(id); + h->total_entries = 1; + h->sequence_index = 1; +} + +static void sii8620_burst_tx_bits_per_pixel_fmt(struct sii8620 *ctx, u8 fmt) +{ + struct mhl_burst_bits_per_pixel_fmt *d; + const int size = sizeof(*d) + sizeof(d->desc[0]); + + d = sii8620_burst_get_tx_buf(ctx, size); + if (!d) + return; + + sii8620_mhl_burst_hdr_set(&d->hdr, MHL_BURST_ID_BITS_PER_PIXEL_FMT); + d->num_entries = 1; + d->desc[0].stream_id = 0; + d->desc[0].pixel_format = fmt; + d->hdr.checksum -= sii8620_checksum(d, size); +} + +static void sii8620_burst_rx_all(struct sii8620 *ctx) +{ + u8 *d = ctx->burst.rx_buf; + int count = ctx->burst.rx_count; + + while (count-- > 0) { + int len = *d++; + int id = get_unaligned_be16(&d[0]); + + switch (id) { + case MHL_BURST_ID_BLK_RCV_BUFFER_INFO: + ctx->burst.r_size = get_unaligned_le16(&d[2]); + break; + default: + break; + } + count -= len; + d += len; + } + ctx->burst.rx_count = 0; +} + +static void sii8620_fetch_edid(struct sii8620 *ctx) +{ + u8 lm_ddc, ddc_cmd, int3, cbus; + int fetched, i; + int edid_len = EDID_LENGTH; + u8 *edid; + + sii8620_readb(ctx, REG_CBUS_STATUS); + lm_ddc = sii8620_readb(ctx, REG_LM_DDC); + ddc_cmd = sii8620_readb(ctx, REG_DDC_CMD); + + sii8620_write_seq(ctx, + REG_INTR9_MASK, 0, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO, + REG_HDCP2X_POLL_CS, 0x71, + REG_HDCP2X_CTRL_0, BIT_HDCP2X_CTRL_0_HDCP2X_HDCPTX, + REG_LM_DDC, lm_ddc | BIT_LM_DDC_SW_TPI_EN_DISABLED, + ); + + for (i = 0; i < 256; ++i) { + u8 ddc_stat = sii8620_readb(ctx, REG_DDC_STATUS); + + if (!(ddc_stat & BIT_DDC_STATUS_DDC_I2C_IN_PROG)) + break; + sii8620_write(ctx, REG_DDC_STATUS, + BIT_DDC_STATUS_DDC_FIFO_EMPTY); + } + + sii8620_write(ctx, REG_DDC_ADDR, 0x50 << 1); + + edid = kmalloc(EDID_LENGTH, GFP_KERNEL); + if (!edid) { + ctx->error = -ENOMEM; + return; + } + +#define FETCH_SIZE 16 + for (fetched = 0; fetched < edid_len; fetched += FETCH_SIZE) { + sii8620_readb(ctx, REG_DDC_STATUS); + sii8620_write_seq(ctx, + REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_DDC_CMD_ABORT, + REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_DDC_CMD_CLEAR_FIFO, + REG_DDC_STATUS, BIT_DDC_STATUS_DDC_FIFO_EMPTY + ); + sii8620_write_seq(ctx, + REG_DDC_SEGM, fetched >> 8, + REG_DDC_OFFSET, fetched & 0xff, + REG_DDC_DIN_CNT1, FETCH_SIZE, + REG_DDC_DIN_CNT2, 0, + REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_ENH_DDC_READ_NO_ACK + ); + + do { + int3 = sii8620_readb(ctx, REG_INTR3); + cbus = sii8620_readb(ctx, REG_CBUS_STATUS); + + if (int3 & BIT_DDC_CMD_DONE) + break; + + if (!(cbus & BIT_CBUS_STATUS_CBUS_CONNECTED)) { + kfree(edid); + edid = NULL; + goto end; + } + } while (1); + + sii8620_readb(ctx, REG_DDC_STATUS); + while (sii8620_readb(ctx, REG_DDC_DOUT_CNT) < FETCH_SIZE) + usleep_range(10, 20); + + sii8620_read_buf(ctx, REG_DDC_DATA, edid + fetched, FETCH_SIZE); + if (fetched + FETCH_SIZE == EDID_LENGTH) { + u8 ext = ((struct edid *)edid)->extensions; + + if (ext) { + u8 *new_edid; + + edid_len += ext * EDID_LENGTH; + new_edid = krealloc(edid, edid_len, GFP_KERNEL); + if (!new_edid) { + kfree(edid); + ctx->error = -ENOMEM; + return; + } + edid = new_edid; + } + } + } + + sii8620_write_seq(ctx, + REG_INTR3_MASK, BIT_DDC_CMD_DONE, + REG_LM_DDC, lm_ddc + ); + +end: + kfree(ctx->edid); + ctx->edid = (struct edid *)edid; +} + +static void sii8620_set_upstream_edid(struct sii8620 *ctx) +{ + sii8620_setbits(ctx, REG_DPD, BIT_DPD_PDNRX12 | BIT_DPD_PDIDCK_N + | BIT_DPD_PD_MHL_CLK_N, 0xff); + + sii8620_write_seq_static(ctx, + REG_RX_HDMI_CTRL3, 0x00, + REG_PKT_FILTER_0, 0xFF, + REG_PKT_FILTER_1, 0xFF, + REG_ALICE0_BW_I2C, 0x06 + ); + + sii8620_setbits(ctx, REG_RX_HDMI_CLR_BUFFER, + BIT_RX_HDMI_CLR_BUFFER_VSI_CLR_EN, 0xff); + + sii8620_write_seq_static(ctx, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN, + REG_EDID_FIFO_ADDR, 0, + ); + + sii8620_write_buf(ctx, REG_EDID_FIFO_WR_DATA, (u8 *)ctx->edid, + (ctx->edid->extensions + 1) * EDID_LENGTH); + + sii8620_write_seq_static(ctx, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_PRIME_VALID + | BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN, + REG_INTR5_MASK, BIT_INTR_SCDT_CHANGE, + REG_INTR9_MASK, 0 + ); +} + +static void sii8620_xtal_set_rate(struct sii8620 *ctx) +{ + static const struct { + unsigned int rate; + u8 div; + u8 tp1; + } rates[] = { + { 19200, 0x04, 0x53 }, + { 20000, 0x04, 0x62 }, + { 24000, 0x05, 0x75 }, + { 30000, 0x06, 0x92 }, + { 38400, 0x0c, 0xbc }, + }; + unsigned long rate = clk_get_rate(ctx->clk_xtal) / 1000; + int i; + + for (i = 0; i < ARRAY_SIZE(rates) - 1; ++i) + if (rate <= rates[i].rate) + break; + + if (rate != rates[i].rate) + dev_err(ctx->dev, "xtal clock rate(%lukHz) not supported, setting MHL for %ukHz.\n", + rate, rates[i].rate); + + sii8620_write(ctx, REG_DIV_CTL_MAIN, rates[i].div); + sii8620_write(ctx, REG_HDCP2X_TP1, rates[i].tp1); +} + +static int sii8620_hw_on(struct sii8620 *ctx) +{ + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret) + return ret; + usleep_range(10000, 20000); + return clk_prepare_enable(ctx->clk_xtal); +} + +static int sii8620_hw_off(struct sii8620 *ctx) +{ + clk_disable_unprepare(ctx->clk_xtal); + gpiod_set_value(ctx->gpio_reset, 1); + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); +} + +static void sii8620_hw_reset(struct sii8620 *ctx) +{ + usleep_range(10000, 20000); + gpiod_set_value(ctx->gpio_reset, 0); + usleep_range(5000, 20000); + gpiod_set_value(ctx->gpio_reset, 1); + usleep_range(10000, 20000); + gpiod_set_value(ctx->gpio_reset, 0); + msleep(300); +} + +static void sii8620_cbus_reset(struct sii8620 *ctx) +{ + sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST + | BIT_PWD_SRST_CBUS_RST_SW_EN); + usleep_range(10000, 20000); + sii8620_write(ctx, REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN); +} + +static void sii8620_set_auto_zone(struct sii8620 *ctx) +{ + if (ctx->mode != CM_MHL1) { + sii8620_write_seq_static(ctx, + REG_TX_ZONE_CTL1, 0x0, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE + ); + } else { + sii8620_write_seq_static(ctx, + REG_TX_ZONE_CTL1, VAL_TX_ZONE_CTL1_TX_ZONE_CTRL_MODE, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE + ); + } +} + +static void sii8620_stop_video(struct sii8620 *ctx) +{ + u8 uninitialized_var(val); + + sii8620_write_seq_static(ctx, + REG_TPI_INTR_EN, 0, + REG_HDCP2X_INTR0_MASK, 0, + REG_TPI_COPP_DATA2, 0, + REG_TPI_INTR_ST0, ~0, + ); + + switch (ctx->sink_type) { + case SINK_DVI: + val = BIT_TPI_SC_REG_TMDS_OE_POWER_DOWN + | BIT_TPI_SC_TPI_AV_MUTE; + break; + case SINK_HDMI: + default: + val = BIT_TPI_SC_REG_TMDS_OE_POWER_DOWN + | BIT_TPI_SC_TPI_AV_MUTE + | BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI; + break; + } + + sii8620_write(ctx, REG_TPI_SC, val); +} + +static void sii8620_set_format(struct sii8620 *ctx) +{ + u8 out_fmt; + + if (sii8620_is_mhl3(ctx)) { + sii8620_setbits(ctx, REG_M3_P0CTRL, + BIT_M3_P0CTRL_MHL3_P0_PIXEL_MODE_PACKED, + ctx->use_packed_pixel ? ~0 : 0); + } else { + if (ctx->use_packed_pixel) + sii8620_write_seq_static(ctx, + REG_VID_MODE, BIT_VID_MODE_M1080P, + REG_MHL_TOP_CTL, BIT_MHL_TOP_CTL_MHL_PP_SEL | 1, + REG_MHLTX_CTL6, 0x60 + ); + else + sii8620_write_seq_static(ctx, + REG_VID_MODE, 0, + REG_MHL_TOP_CTL, 1, + REG_MHLTX_CTL6, 0xa0 + ); + } + + if (ctx->use_packed_pixel) + out_fmt = VAL_TPI_FORMAT(YCBCR422, FULL) | + BIT_TPI_OUTPUT_CSCMODE709; + else + out_fmt = VAL_TPI_FORMAT(RGB, FULL); + + sii8620_write_seq(ctx, + REG_TPI_INPUT, VAL_TPI_FORMAT(RGB, FULL), + REG_TPI_OUTPUT, out_fmt, + ); +} + +static int mhl3_infoframe_init(struct mhl3_infoframe *frame) +{ + memset(frame, 0, sizeof(*frame)); + + frame->version = 3; + frame->hev_format = -1; + return 0; +} + +static ssize_t mhl3_infoframe_pack(struct mhl3_infoframe *frame, + void *buffer, size_t size) +{ + const int frm_len = HDMI_INFOFRAME_HEADER_SIZE + MHL3_INFOFRAME_SIZE; + u8 *ptr = buffer; + + if (size < frm_len) + return -ENOSPC; + + memset(buffer, 0, size); + ptr[0] = HDMI_INFOFRAME_TYPE_VENDOR; + ptr[1] = frame->version; + ptr[2] = MHL3_INFOFRAME_SIZE; + ptr[4] = MHL3_IEEE_OUI & 0xff; + ptr[5] = (MHL3_IEEE_OUI >> 8) & 0xff; + ptr[6] = (MHL3_IEEE_OUI >> 16) & 0xff; + ptr[7] = frame->video_format & 0x3; + ptr[7] |= (frame->format_type & 0x7) << 2; + ptr[7] |= frame->sep_audio ? BIT(5) : 0; + if (frame->hev_format >= 0) { + ptr[9] = 1; + ptr[10] = (frame->hev_format >> 8) & 0xff; + ptr[11] = frame->hev_format & 0xff; + } + if (frame->av_delay) { + bool sign = frame->av_delay < 0; + int delay = sign ? -frame->av_delay : frame->av_delay; + + ptr[12] = (delay >> 16) & 0xf; + if (sign) + ptr[12] |= BIT(4); + ptr[13] = (delay >> 8) & 0xff; + ptr[14] = delay & 0xff; + } + ptr[3] -= sii8620_checksum(buffer, frm_len); + return frm_len; +} + +static void sii8620_set_infoframes(struct sii8620 *ctx) +{ + struct mhl3_infoframe mhl_frm; + union hdmi_infoframe frm; + u8 buf[31]; + int ret; + + if (!sii8620_is_mhl3(ctx) || !ctx->use_packed_pixel) { + sii8620_write(ctx, REG_TPI_SC, + BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI); + sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, ctx->avif + 3, + ARRAY_SIZE(ctx->avif) - 3); + sii8620_write(ctx, REG_PKT_FILTER_0, + BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT | + BIT_PKT_FILTER_0_DROP_MPEG_PKT | + BIT_PKT_FILTER_0_DROP_GCP_PKT, + BIT_PKT_FILTER_1_DROP_GEN_PKT); + return; + } + + ret = hdmi_avi_infoframe_init(&frm.avi); + frm.avi.colorspace = HDMI_COLORSPACE_YUV422; + frm.avi.active_aspect = HDMI_ACTIVE_ASPECT_PICTURE; + frm.avi.picture_aspect = HDMI_PICTURE_ASPECT_16_9; + frm.avi.colorimetry = HDMI_COLORIMETRY_ITU_709; + frm.avi.video_code = ctx->video_code; + if (!ret) + ret = hdmi_avi_infoframe_pack(&frm.avi, buf, ARRAY_SIZE(buf)); + if (ret > 0) + sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, buf + 3, ret - 3); + sii8620_write(ctx, REG_PKT_FILTER_0, + BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT | + BIT_PKT_FILTER_0_DROP_MPEG_PKT | + BIT_PKT_FILTER_0_DROP_AVI_PKT | + BIT_PKT_FILTER_0_DROP_GCP_PKT, + BIT_PKT_FILTER_1_VSI_OVERRIDE_DIS | + BIT_PKT_FILTER_1_DROP_GEN_PKT | + BIT_PKT_FILTER_1_DROP_VSIF_PKT); + + sii8620_write(ctx, REG_TPI_INFO_FSEL, BIT_TPI_INFO_FSEL_EN + | BIT_TPI_INFO_FSEL_RPT | VAL_TPI_INFO_FSEL_VSI); + ret = mhl3_infoframe_init(&mhl_frm); + if (!ret) + ret = mhl3_infoframe_pack(&mhl_frm, buf, ARRAY_SIZE(buf)); + sii8620_write_buf(ctx, REG_TPI_INFO_B0, buf, ret); +} + +static void sii8620_start_hdmi(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_RX_HDMI_CTRL2, VAL_RX_HDMI_CTRL2_DEFVAL + | BIT_RX_HDMI_CTRL2_USE_AV_MUTE, + REG_VID_OVRRD, BIT_VID_OVRRD_PP_AUTO_DISABLE + | BIT_VID_OVRRD_M1080P_OVRRD); + sii8620_set_format(ctx); + + if (!sii8620_is_mhl3(ctx)) { + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + MHL_DST_LM_CLK_MODE_NORMAL | MHL_DST_LM_PATH_ENABLED); + sii8620_set_auto_zone(ctx); + } else { + static const struct { + int max_clk; + u8 zone; + u8 link_rate; + u8 rrp_decode; + } clk_spec[] = { + { 150000, VAL_TX_ZONE_CTL3_TX_ZONE_1_5GBPS, + MHL_XDS_LINK_RATE_1_5_GBPS, 0x38 }, + { 300000, VAL_TX_ZONE_CTL3_TX_ZONE_3GBPS, + MHL_XDS_LINK_RATE_3_0_GBPS, 0x40 }, + { 600000, VAL_TX_ZONE_CTL3_TX_ZONE_6GBPS, + MHL_XDS_LINK_RATE_6_0_GBPS, 0x40 }, + }; + u8 p0_ctrl = BIT_M3_P0CTRL_MHL3_P0_PORT_EN; + int clk = ctx->pixel_clock * (ctx->use_packed_pixel ? 2 : 3); + int i; + + for (i = 0; i < ARRAY_SIZE(clk_spec); ++i) + if (clk < clk_spec[i].max_clk) + break; + + if (100 * clk >= 98 * clk_spec[i].max_clk) + p0_ctrl |= BIT_M3_P0CTRL_MHL3_P0_UNLIMIT_EN; + + sii8620_burst_tx_bits_per_pixel_fmt(ctx, ctx->use_packed_pixel); + sii8620_burst_send(ctx); + sii8620_write_seq(ctx, + REG_MHL_DP_CTL0, 0xf0, + REG_MHL3_TX_ZONE_CTL, clk_spec[i].zone); + sii8620_setbits(ctx, REG_M3_P0CTRL, + BIT_M3_P0CTRL_MHL3_P0_PORT_EN + | BIT_M3_P0CTRL_MHL3_P0_UNLIMIT_EN, p0_ctrl); + sii8620_setbits(ctx, REG_M3_POSTM, MSK_M3_POSTM_RRP_DECODE, + clk_spec[i].rrp_decode); + sii8620_write_seq_static(ctx, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE + | BIT_M3_CTRL_H2M_SWRST, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE + ); + sii8620_mt_write_stat(ctx, MHL_XDS_REG(AVLINK_MODE_CONTROL), + clk_spec[i].link_rate); + } + + sii8620_set_infoframes(ctx); +} + +static void sii8620_start_video(struct sii8620 *ctx) +{ + if (!sii8620_is_mhl3(ctx)) + sii8620_stop_video(ctx); + + switch (ctx->sink_type) { + case SINK_HDMI: + sii8620_start_hdmi(ctx); + break; + case SINK_DVI: + default: + break; + } +} + +static void sii8620_disable_hpd(struct sii8620 *ctx) +{ + sii8620_setbits(ctx, REG_EDID_CTRL, BIT_EDID_CTRL_EDID_PRIME_VALID, 0); + sii8620_write_seq_static(ctx, + REG_HPD_CTRL, BIT_HPD_CTRL_HPD_OUT_OVR_EN, + REG_INTR8_MASK, 0 + ); +} + +static void sii8620_enable_hpd(struct sii8620 *ctx) +{ + sii8620_setbits(ctx, REG_TMDS_CSTAT_P3, + BIT_TMDS_CSTAT_P3_SCDT_CLR_AVI_DIS + | BIT_TMDS_CSTAT_P3_CLR_AVI, ~0); + sii8620_write_seq_static(ctx, + REG_HPD_CTRL, BIT_HPD_CTRL_HPD_OUT_OVR_EN + | BIT_HPD_CTRL_HPD_HIGH, + ); +} + +static void sii8620_mhl_discover(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_DISC_PULSE_PROCEED, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_5K, VAL_PUP_20K), + REG_CBUS_DISC_INTR0_MASK, BIT_MHL3_EST_INT + | BIT_MHL_EST_INT + | BIT_NOT_MHL_EST_INT + | BIT_CBUS_MHL3_DISCON_INT + | BIT_CBUS_MHL12_DISCON_INT + | BIT_RGND_READY_INT, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE, + REG_MHL_DP_CTL0, BIT_MHL_DP_CTL0_DP_OE + | BIT_MHL_DP_CTL0_TX_OE_OVR, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE, + REG_MHL_DP_CTL1, 0xA2, + REG_MHL_DP_CTL2, 0x03, + REG_MHL_DP_CTL3, 0x35, + REG_MHL_DP_CTL5, 0x02, + REG_MHL_DP_CTL6, 0x02, + REG_MHL_DP_CTL7, 0x03, + REG_COC_CTLC, 0xFF, + REG_DPD, BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 + | BIT_DPD_OSC_EN | BIT_DPD_PWRON_HSIC, + REG_COC_INTR_MASK, BIT_COC_PLL_LOCK_STATUS_CHANGE + | BIT_COC_CALIBRATION_DONE, + REG_CBUS_INT_1_MASK, BIT_CBUS_MSC_ABORT_RCVD + | BIT_CBUS_CMD_ABORT, + REG_CBUS_INT_0_MASK, BIT_CBUS_MSC_MT_DONE + | BIT_CBUS_HPD_CHG + | BIT_CBUS_MSC_MR_WRITE_STAT + | BIT_CBUS_MSC_MR_MSC_MSG + | BIT_CBUS_MSC_MR_WRITE_BURST + | BIT_CBUS_MSC_MR_SET_INT + | BIT_CBUS_MSC_MT_DONE_NACK + ); +} + +static void sii8620_peer_specific_init(struct sii8620 *ctx) +{ + if (sii8620_is_mhl3(ctx)) + sii8620_write_seq_static(ctx, + REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD, + REG_EMSCINTRMASK1, + BIT_EMSCINTR1_EMSC_TRAINING_COMMA_ERR + ); + else + sii8620_write_seq_static(ctx, + REG_HDCP2X_INTR0_MASK, 0x00, + REG_EMSCINTRMASK1, 0x00, + REG_HDCP2X_INTR0, 0xFF, + REG_INTR1, 0xFF, + REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD + | BIT_SYS_CTRL1_TX_CTRL_HDMI + ); +} + +#define SII8620_MHL_VERSION 0x32 +#define SII8620_SCRATCHPAD_SIZE 16 +#define SII8620_INT_STAT_SIZE 0x33 + +static void sii8620_set_dev_cap(struct sii8620 *ctx) +{ + static const u8 devcap[MHL_DCAP_SIZE] = { + [MHL_DCAP_MHL_VERSION] = SII8620_MHL_VERSION, + [MHL_DCAP_CAT] = MHL_DCAP_CAT_SOURCE | MHL_DCAP_CAT_POWER, + [MHL_DCAP_ADOPTER_ID_H] = 0x01, + [MHL_DCAP_ADOPTER_ID_L] = 0x41, + [MHL_DCAP_VID_LINK_MODE] = MHL_DCAP_VID_LINK_RGB444 + | MHL_DCAP_VID_LINK_PPIXEL + | MHL_DCAP_VID_LINK_16BPP, + [MHL_DCAP_AUD_LINK_MODE] = MHL_DCAP_AUD_LINK_2CH, + [MHL_DCAP_VIDEO_TYPE] = MHL_DCAP_VT_GRAPHICS, + [MHL_DCAP_LOG_DEV_MAP] = MHL_DCAP_LD_GUI, + [MHL_DCAP_BANDWIDTH] = 0x0f, + [MHL_DCAP_FEATURE_FLAG] = MHL_DCAP_FEATURE_RCP_SUPPORT + | MHL_DCAP_FEATURE_RAP_SUPPORT + | MHL_DCAP_FEATURE_SP_SUPPORT, + [MHL_DCAP_SCRATCHPAD_SIZE] = SII8620_SCRATCHPAD_SIZE, + [MHL_DCAP_INT_STAT_SIZE] = SII8620_INT_STAT_SIZE, + }; + static const u8 xdcap[MHL_XDC_SIZE] = { + [MHL_XDC_ECBUS_SPEEDS] = MHL_XDC_ECBUS_S_075 + | MHL_XDC_ECBUS_S_8BIT, + [MHL_XDC_TMDS_SPEEDS] = MHL_XDC_TMDS_150 + | MHL_XDC_TMDS_300 | MHL_XDC_TMDS_600, + [MHL_XDC_ECBUS_ROLES] = MHL_XDC_DEV_HOST, + [MHL_XDC_LOG_DEV_MAPX] = MHL_XDC_LD_PHONE, + }; + + sii8620_write_buf(ctx, REG_MHL_DEVCAP_0, devcap, ARRAY_SIZE(devcap)); + sii8620_write_buf(ctx, REG_MHL_EXTDEVCAP_0, xdcap, ARRAY_SIZE(xdcap)); +} + +static void sii8620_mhl_init(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_OFF, VAL_PUP_20K), + REG_CBUS_MSC_COMPAT_CTRL, + BIT_CBUS_MSC_COMPAT_CTRL_XDEVCAP_EN, + ); + + sii8620_peer_specific_init(ctx); + + sii8620_disable_hpd(ctx); + + sii8620_write_seq_static(ctx, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_WAKE_PULSE_BYPASS, + REG_TMDS0_CCTRL1, 0x90, + REG_TMDS_CLK_EN, 0x01, + REG_TMDS_CH_EN, 0x11, + REG_BGR_BIAS, 0x87, + REG_ALICE0_ZONE_CTRL, 0xE8, + REG_ALICE0_MODE_CTRL, 0x04, + ); + sii8620_setbits(ctx, REG_LM_DDC, BIT_LM_DDC_SW_TPI_EN_DISABLED, 0); + sii8620_write_seq_static(ctx, + REG_TPI_HW_OPT3, 0x76, + REG_TMDS_CCTRL, BIT_TMDS_CCTRL_TMDS_OE, + REG_TPI_DTD_B2, 79, + ); + sii8620_set_dev_cap(ctx); + sii8620_write_seq_static(ctx, + REG_MDT_XMIT_TIMEOUT, 100, + REG_MDT_XMIT_CTRL, 0x03, + REG_MDT_XFIFO_STAT, 0x00, + REG_MDT_RCV_TIMEOUT, 100, + REG_CBUS_LINK_CTRL_8, 0x1D, + ); + + sii8620_start_gen2_write_burst(ctx); + sii8620_write_seq_static(ctx, + REG_BIST_CTRL, 0x00, + REG_COC_CTL1, 0x10, + REG_COC_CTL2, 0x18, + REG_COC_CTLF, 0x07, + REG_COC_CTL11, 0xF8, + REG_COC_CTL17, 0x61, + REG_COC_CTL18, 0x46, + REG_COC_CTL19, 0x15, + REG_COC_CTL1A, 0x01, + REG_MHL_COC_CTL3, BIT_MHL_COC_CTL3_COC_AECHO_EN, + REG_MHL_COC_CTL4, 0x2D, + REG_MHL_COC_CTL5, 0xF9, + REG_MSC_HEARTBEAT_CTRL, 0x27, + ); + sii8620_disable_gen2_write_burst(ctx); + + sii8620_mt_write_stat(ctx, MHL_DST_REG(VERSION), SII8620_MHL_VERSION); + sii8620_mt_write_stat(ctx, MHL_DST_REG(CONNECTED_RDY), + MHL_DST_CONN_DCAP_RDY | MHL_DST_CONN_XDEVCAPP_SUPP + | MHL_DST_CONN_POW_STAT); + sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE), MHL_INT_RC_DCAP_CHG); +} + +static void sii8620_emsc_enable(struct sii8620 *ctx) +{ + u8 reg; + + sii8620_setbits(ctx, REG_GENCTL, BIT_GENCTL_EMSC_EN + | BIT_GENCTL_CLR_EMSC_RFIFO + | BIT_GENCTL_CLR_EMSC_XFIFO, ~0); + sii8620_setbits(ctx, REG_GENCTL, BIT_GENCTL_CLR_EMSC_RFIFO + | BIT_GENCTL_CLR_EMSC_XFIFO, 0); + sii8620_setbits(ctx, REG_COMMECNT, BIT_COMMECNT_I2C_TO_EMSC_EN, ~0); + reg = sii8620_readb(ctx, REG_EMSCINTR); + sii8620_write(ctx, REG_EMSCINTR, reg); + sii8620_write(ctx, REG_EMSCINTRMASK, BIT_EMSCINTR_SPI_DVLD); +} + +static int sii8620_wait_for_fsm_state(struct sii8620 *ctx, u8 state) +{ + int i; + + for (i = 0; i < 10; ++i) { + u8 s = sii8620_readb(ctx, REG_COC_STAT_0); + + if ((s & MSK_COC_STAT_0_FSM_STATE) == state) + return 0; + if (!(s & BIT_COC_STAT_0_PLL_LOCKED)) + return -EBUSY; + usleep_range(4000, 6000); + } + return -ETIMEDOUT; +} + +static void sii8620_set_mode(struct sii8620 *ctx, enum sii8620_mode mode) +{ + int ret; + + if (ctx->mode == mode) + return; + + switch (mode) { + case CM_MHL1: + sii8620_write_seq_static(ctx, + REG_CBUS_MSC_COMPAT_CTRL, 0x02, + REG_M3_CTRL, VAL_M3_CTRL_MHL1_2_VALUE, + REG_DPD, BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 + | BIT_DPD_OSC_EN, + REG_COC_INTR_MASK, 0 + ); + ctx->mode = mode; + break; + case CM_MHL3: + sii8620_write(ctx, REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE); + ctx->mode = mode; + return; + case CM_ECBUS_S: + sii8620_emsc_enable(ctx); + sii8620_write_seq_static(ctx, + REG_TTXSPINUMS, 4, + REG_TRXSPINUMS, 4, + REG_TTXHSICNUMS, 0x14, + REG_TRXHSICNUMS, 0x14, + REG_TTXTOTNUMS, 0x18, + REG_TRXTOTNUMS, 0x18, + REG_PWD_SRST, BIT_PWD_SRST_COC_DOC_RST + | BIT_PWD_SRST_CBUS_RST_SW_EN, + REG_MHL_COC_CTL1, 0xbd, + REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN, + REG_COC_CTLB, 0x01, + REG_COC_CTL0, 0x5c, + REG_COC_CTL14, 0x03, + REG_COC_CTL15, 0x80, + REG_MHL_DP_CTL6, BIT_MHL_DP_CTL6_DP_TAP1_SGN + | BIT_MHL_DP_CTL6_DP_TAP1_EN + | BIT_MHL_DP_CTL6_DT_PREDRV_FEEDCAP_EN, + REG_MHL_DP_CTL8, 0x03 + ); + ret = sii8620_wait_for_fsm_state(ctx, 0x03); + sii8620_write_seq_static(ctx, + REG_COC_CTL14, 0x00, + REG_COC_CTL15, 0x80 + ); + if (!ret) + sii8620_write(ctx, REG_CBUS3_CNVT, 0x85); + else + sii8620_disconnect(ctx); + return; + case CM_DISCONNECTED: + ctx->mode = mode; + break; + default: + dev_err(ctx->dev, "%s mode %d not supported\n", __func__, mode); + break; + } + + sii8620_set_auto_zone(ctx); + + if (mode != CM_MHL1) + return; + + sii8620_write_seq_static(ctx, + REG_MHL_DP_CTL0, 0xBC, + REG_MHL_DP_CTL1, 0xBB, + REG_MHL_DP_CTL3, 0x48, + REG_MHL_DP_CTL5, 0x39, + REG_MHL_DP_CTL2, 0x2A, + REG_MHL_DP_CTL6, 0x2A, + REG_MHL_DP_CTL7, 0x08 + ); +} + +static void sii8620_disconnect(struct sii8620 *ctx) +{ + sii8620_disable_gen2_write_burst(ctx); + sii8620_stop_video(ctx); + msleep(100); + sii8620_cbus_reset(ctx); + sii8620_set_mode(ctx, CM_DISCONNECTED); + sii8620_write_seq_static(ctx, + REG_TX_ZONE_CTL1, 0, + REG_MHL_PLL_CTL0, 0x07, + REG_COC_CTL0, 0x40, + REG_CBUS3_CNVT, 0x84, + REG_COC_CTL14, 0x00, + REG_COC_CTL0, 0x40, + REG_HRXCTRL3, 0x07, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE, + REG_MHL_DP_CTL0, BIT_MHL_DP_CTL0_DP_OE + | BIT_MHL_DP_CTL0_TX_OE_OVR, + REG_MHL_DP_CTL1, 0xBB, + REG_MHL_DP_CTL3, 0x48, + REG_MHL_DP_CTL5, 0x3F, + REG_MHL_DP_CTL2, 0x2F, + REG_MHL_DP_CTL6, 0x2A, + REG_MHL_DP_CTL7, 0x03 + ); + sii8620_disable_hpd(ctx); + sii8620_write_seq_static(ctx, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE, + REG_MHL_COC_CTL1, 0x07, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_OFF, VAL_PUP_20K), + REG_DISC_CTRL8, 0x00, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_WAKE_PULSE_BYPASS, + REG_INT_CTRL, 0x00, + REG_MSC_HEARTBEAT_CTRL, 0x27, + REG_DISC_CTRL1, 0x25, + REG_CBUS_DISC_INTR0, (u8)~BIT_RGND_READY_INT, + REG_CBUS_DISC_INTR0_MASK, BIT_RGND_READY_INT, + REG_MDT_INT_1, 0xff, + REG_MDT_INT_1_MASK, 0x00, + REG_MDT_INT_0, 0xff, + REG_MDT_INT_0_MASK, 0x00, + REG_COC_INTR, 0xff, + REG_COC_INTR_MASK, 0x00, + REG_TRXINTH, 0xff, + REG_TRXINTMH, 0x00, + REG_CBUS_INT_0, 0xff, + REG_CBUS_INT_0_MASK, 0x00, + REG_CBUS_INT_1, 0xff, + REG_CBUS_INT_1_MASK, 0x00, + REG_EMSCINTR, 0xff, + REG_EMSCINTRMASK, 0x00, + REG_EMSCINTR1, 0xff, + REG_EMSCINTRMASK1, 0x00, + REG_INTR8, 0xff, + REG_INTR8_MASK, 0x00, + REG_TPI_INTR_ST0, 0xff, + REG_TPI_INTR_EN, 0x00, + REG_HDCP2X_INTR0, 0xff, + REG_HDCP2X_INTR0_MASK, 0x00, + REG_INTR9, 0xff, + REG_INTR9_MASK, 0x00, + REG_INTR3, 0xff, + REG_INTR3_MASK, 0x00, + REG_INTR5, 0xff, + REG_INTR5_MASK, 0x00, + REG_INTR2, 0xff, + REG_INTR2_MASK, 0x00, + ); + memset(ctx->stat, 0, sizeof(ctx->stat)); + memset(ctx->xstat, 0, sizeof(ctx->xstat)); + memset(ctx->devcap, 0, sizeof(ctx->devcap)); + memset(ctx->xdevcap, 0, sizeof(ctx->xdevcap)); + ctx->cbus_status = 0; + ctx->sink_type = SINK_NONE; + kfree(ctx->edid); + ctx->edid = NULL; + sii8620_mt_cleanup(ctx); +} + +static void sii8620_mhl_disconnected(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_OFF, VAL_PUP_20K), + REG_CBUS_MSC_COMPAT_CTRL, + BIT_CBUS_MSC_COMPAT_CTRL_XDEVCAP_EN + ); + sii8620_disconnect(ctx); +} + +static void sii8620_irq_disc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_CBUS_DISC_INTR0); + + if (stat & VAL_CBUS_MHL_DISCON) + sii8620_mhl_disconnected(ctx); + + if (stat & BIT_RGND_READY_INT) { + u8 stat2 = sii8620_readb(ctx, REG_DISC_STAT2); + + if ((stat2 & MSK_DISC_STAT2_RGND) == VAL_RGND_1K) { + sii8620_mhl_discover(ctx); + } else { + sii8620_write_seq_static(ctx, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_NOMHL_EST + | BIT_DISC_CTRL9_WAKE_PULSE_BYPASS, + REG_CBUS_DISC_INTR0_MASK, BIT_RGND_READY_INT + | BIT_CBUS_MHL3_DISCON_INT + | BIT_CBUS_MHL12_DISCON_INT + | BIT_NOT_MHL_EST_INT + ); + } + } + if (stat & BIT_MHL_EST_INT) + sii8620_mhl_init(ctx); + + sii8620_write(ctx, REG_CBUS_DISC_INTR0, stat); +} + +static void sii8620_read_burst(struct sii8620 *ctx) +{ + u8 buf[17]; + + sii8620_read_buf(ctx, REG_MDT_RCV_READ_PORT, buf, ARRAY_SIZE(buf)); + sii8620_write(ctx, REG_MDT_RCV_CTRL, BIT_MDT_RCV_CTRL_MDT_RCV_EN | + BIT_MDT_RCV_CTRL_MDT_DELAY_RCV_EN | + BIT_MDT_RCV_CTRL_MDT_RFIFO_CLR_CUR); + sii8620_readb(ctx, REG_MDT_RFIFO_STAT); +} + +static void sii8620_irq_g2wb(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_MDT_INT_0); + + if (stat & BIT_MDT_IDLE_AFTER_HAWB_DISABLE) + if (sii8620_is_mhl3(ctx)) + sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE), + MHL_INT_RC_FEAT_COMPLETE); + + if (stat & BIT_MDT_RFIFO_DATA_RDY) + sii8620_read_burst(ctx); + + if (stat & BIT_MDT_XFIFO_EMPTY) + sii8620_write(ctx, REG_MDT_XMIT_CTRL, 0); + + sii8620_write(ctx, REG_MDT_INT_0, stat); +} + +static void sii8620_status_dcap_ready(struct sii8620 *ctx) +{ + enum sii8620_mode mode; + + mode = ctx->stat[MHL_DST_VERSION] >= 0x30 ? CM_MHL3 : CM_MHL1; + if (mode > ctx->mode) + sii8620_set_mode(ctx, mode); + sii8620_peer_specific_init(ctx); + sii8620_write(ctx, REG_INTR9_MASK, BIT_INTR9_DEVCAP_DONE + | BIT_INTR9_EDID_DONE | BIT_INTR9_EDID_ERROR); +} + +static void sii8620_status_changed_path(struct sii8620 *ctx) +{ + if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) { + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + MHL_DST_LM_CLK_MODE_NORMAL + | MHL_DST_LM_PATH_ENABLED); + if (!sii8620_is_mhl3(ctx)) + sii8620_mt_read_devcap(ctx, false); + sii8620_mt_set_cont(ctx, sii8620_sink_detected); + } else { + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + MHL_DST_LM_CLK_MODE_NORMAL); + } +} + +static void sii8620_msc_mr_write_stat(struct sii8620 *ctx) +{ + u8 st[MHL_DST_SIZE], xst[MHL_XDS_SIZE]; + + sii8620_read_buf(ctx, REG_MHL_STAT_0, st, MHL_DST_SIZE); + sii8620_read_buf(ctx, REG_MHL_EXTSTAT_0, xst, MHL_XDS_SIZE); + + sii8620_update_array(ctx->stat, st, MHL_DST_SIZE); + sii8620_update_array(ctx->xstat, xst, MHL_XDS_SIZE); + + if (ctx->stat[MHL_DST_CONNECTED_RDY] & MHL_DST_CONN_DCAP_RDY) + sii8620_status_dcap_ready(ctx); + + if (st[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) + sii8620_status_changed_path(ctx); +} + +static void sii8620_ecbus_up(struct sii8620 *ctx, int ret) +{ + if (ret < 0) + return; + + sii8620_set_mode(ctx, CM_ECBUS_S); +} + +static void sii8620_got_ecbus_speed(struct sii8620 *ctx, int ret) +{ + if (ret < 0) + return; + + sii8620_mt_write_stat(ctx, MHL_XDS_REG(CURR_ECBUS_MODE), + MHL_XDS_ECBUS_S | MHL_XDS_SLOT_MODE_8BIT); + sii8620_mt_rap(ctx, MHL_RAP_CBUS_MODE_UP); + sii8620_mt_set_cont(ctx, sii8620_ecbus_up); +} + +static void sii8620_mhl_burst_emsc_support_set(struct mhl_burst_emsc_support *d, + enum mhl_burst_id id) +{ + sii8620_mhl_burst_hdr_set(&d->hdr, MHL_BURST_ID_EMSC_SUPPORT); + d->num_entries = 1; + d->burst_id[0] = cpu_to_be16(id); +} + +static void sii8620_send_features(struct sii8620 *ctx) +{ + u8 buf[16]; + + sii8620_write(ctx, REG_MDT_XMIT_CTRL, BIT_MDT_XMIT_CTRL_EN + | BIT_MDT_XMIT_CTRL_FIXED_BURST_LEN); + sii8620_mhl_burst_emsc_support_set((void *)buf, + MHL_BURST_ID_HID_PAYLOAD); + sii8620_write_buf(ctx, REG_MDT_XMIT_WRITE_PORT, buf, ARRAY_SIZE(buf)); +} + +static void sii8620_msc_mr_set_int(struct sii8620 *ctx) +{ + u8 ints[MHL_INT_SIZE]; + + sii8620_read_buf(ctx, REG_MHL_INT_0, ints, MHL_INT_SIZE); + sii8620_write_buf(ctx, REG_MHL_INT_0, ints, MHL_INT_SIZE); + + if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_DCAP_CHG) { + switch (ctx->mode) { + case CM_MHL3: + sii8620_mt_read_xdevcap_reg(ctx, MHL_XDC_ECBUS_SPEEDS); + sii8620_mt_set_cont(ctx, sii8620_got_ecbus_speed); + break; + case CM_ECBUS_S: + sii8620_mt_read_devcap(ctx, true); + break; + default: + break; + } + } + if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_FEAT_REQ) + sii8620_send_features(ctx); + if (ints[MHL_INT_RCHANGE] & MHL_INT_RC_FEAT_COMPLETE) + sii8620_edid_read(ctx, 0); +} + +static struct sii8620_mt_msg *sii8620_msc_msg_first(struct sii8620 *ctx) +{ + struct device *dev = ctx->dev; + + if (list_empty(&ctx->mt_queue)) { + dev_err(dev, "unexpected MSC MT response\n"); + return NULL; + } + + return list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg, node); +} + +static void sii8620_msc_mt_done(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg = sii8620_msc_msg_first(ctx); + + if (!msg) + return; + + msg->ret = sii8620_readb(ctx, REG_MSC_MT_RCVD_DATA0); + ctx->mt_state = MT_STATE_DONE; +} + +static void sii8620_msc_mr_msc_msg(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg = sii8620_msc_msg_first(ctx); + u8 buf[2]; + + if (!msg) + return; + + sii8620_read_buf(ctx, REG_MSC_MR_MSC_MSG_RCVD_1ST_DATA, buf, 2); + + switch (buf[0]) { + case MHL_MSC_MSG_RAPK: + msg->ret = buf[1]; + ctx->mt_state = MT_STATE_DONE; + break; + default: + dev_err(ctx->dev, "%s message type %d,%d not supported", + __func__, buf[0], buf[1]); + } +} + +static void sii8620_irq_msc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_CBUS_INT_0); + + if (stat & ~BIT_CBUS_HPD_CHG) + sii8620_write(ctx, REG_CBUS_INT_0, stat & ~BIT_CBUS_HPD_CHG); + + if (stat & BIT_CBUS_HPD_CHG) { + u8 cbus_stat = sii8620_readb(ctx, REG_CBUS_STATUS); + + if ((cbus_stat ^ ctx->cbus_status) & BIT_CBUS_STATUS_CBUS_HPD) { + sii8620_write(ctx, REG_CBUS_INT_0, BIT_CBUS_HPD_CHG); + } else { + stat ^= BIT_CBUS_STATUS_CBUS_HPD; + cbus_stat ^= BIT_CBUS_STATUS_CBUS_HPD; + } + ctx->cbus_status = cbus_stat; + } + + if (stat & BIT_CBUS_MSC_MR_WRITE_STAT) + sii8620_msc_mr_write_stat(ctx); + + if (stat & BIT_CBUS_MSC_MR_SET_INT) + sii8620_msc_mr_set_int(ctx); + + if (stat & BIT_CBUS_MSC_MT_DONE) + sii8620_msc_mt_done(ctx); + + if (stat & BIT_CBUS_MSC_MR_MSC_MSG) + sii8620_msc_mr_msc_msg(ctx); +} + +static void sii8620_irq_coc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_COC_INTR); + + if (stat & BIT_COC_CALIBRATION_DONE) { + u8 cstat = sii8620_readb(ctx, REG_COC_STAT_0); + + cstat &= BIT_COC_STAT_0_PLL_LOCKED | MSK_COC_STAT_0_FSM_STATE; + if (cstat == (BIT_COC_STAT_0_PLL_LOCKED | 0x02)) { + sii8620_write_seq_static(ctx, + REG_COC_CTLB, 0, + REG_TRXINTMH, BIT_TDM_INTR_SYNC_DATA + | BIT_TDM_INTR_SYNC_WAIT + ); + } + } + + sii8620_write(ctx, REG_COC_INTR, stat); +} + +static void sii8620_irq_merr(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_CBUS_INT_1); + + sii8620_write(ctx, REG_CBUS_INT_1, stat); +} + +static void sii8620_irq_edid(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR9); + + sii8620_write(ctx, REG_INTR9, stat); + + if (stat & BIT_INTR9_DEVCAP_DONE) + ctx->mt_state = MT_STATE_DONE; +} + +static void sii8620_scdt_high(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_INTR8_MASK, BIT_CEA_NEW_AVI | BIT_CEA_NEW_VSI, + REG_TPI_SC, BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI, + ); +} + +static void sii8620_irq_scdt(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR5); + + if (stat & BIT_INTR_SCDT_CHANGE) { + u8 cstat = sii8620_readb(ctx, REG_TMDS_CSTAT_P3); + + if (cstat & BIT_TMDS_CSTAT_P3_SCDT) + sii8620_scdt_high(ctx); + } + + sii8620_write(ctx, REG_INTR5, stat); +} + +static void sii8620_new_vsi(struct sii8620 *ctx) +{ + u8 vsif[11]; + + sii8620_write(ctx, REG_RX_HDMI_CTRL2, + VAL_RX_HDMI_CTRL2_DEFVAL | + BIT_RX_HDMI_CTRL2_VSI_MON_SEL_VSI); + sii8620_read_buf(ctx, REG_RX_HDMI_MON_PKT_HEADER1, vsif, + ARRAY_SIZE(vsif)); +} + +static void sii8620_new_avi(struct sii8620 *ctx) +{ + sii8620_write(ctx, REG_RX_HDMI_CTRL2, VAL_RX_HDMI_CTRL2_DEFVAL); + sii8620_read_buf(ctx, REG_RX_HDMI_MON_PKT_HEADER1, ctx->avif, + ARRAY_SIZE(ctx->avif)); +} + +static void sii8620_irq_infr(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR8) + & (BIT_CEA_NEW_VSI | BIT_CEA_NEW_AVI); + + sii8620_write(ctx, REG_INTR8, stat); + + if (stat & BIT_CEA_NEW_VSI) + sii8620_new_vsi(ctx); + + if (stat & BIT_CEA_NEW_AVI) + sii8620_new_avi(ctx); + + if (stat & (BIT_CEA_NEW_VSI | BIT_CEA_NEW_AVI)) + sii8620_start_video(ctx); +} + +static void sii8620_got_xdevcap(struct sii8620 *ctx, int ret) +{ + if (ret < 0) + return; + + sii8620_mt_read_devcap(ctx, false); +} + +static void sii8620_irq_tdm(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_TRXINTH); + u8 tdm = sii8620_readb(ctx, REG_TRXSTA2); + + if ((tdm & MSK_TDM_SYNCHRONIZED) == VAL_TDM_SYNCHRONIZED) { + ctx->mode = CM_ECBUS_S; + ctx->burst.rx_ack = 0; + ctx->burst.r_size = SII8620_BURST_BUF_LEN; + sii8620_burst_tx_rbuf_info(ctx, SII8620_BURST_BUF_LEN); + sii8620_mt_read_devcap(ctx, true); + sii8620_mt_set_cont(ctx, sii8620_got_xdevcap); + } else { + sii8620_write_seq_static(ctx, + REG_MHL_PLL_CTL2, 0, + REG_MHL_PLL_CTL2, BIT_MHL_PLL_CTL2_CLKDETECT_EN + ); + } + + sii8620_write(ctx, REG_TRXINTH, stat); +} + +static void sii8620_irq_block(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_EMSCINTR); + + if (stat & BIT_EMSCINTR_SPI_DVLD) { + u8 bstat = sii8620_readb(ctx, REG_SPIBURSTSTAT); + + if (bstat & BIT_SPIBURSTSTAT_EMSC_NORMAL_MODE) + sii8620_burst_receive(ctx); + } + + sii8620_write(ctx, REG_EMSCINTR, stat); +} + +static void sii8620_irq_ddc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR3); + + if (stat & BIT_DDC_CMD_DONE) { + sii8620_write(ctx, REG_INTR3_MASK, 0); + if (sii8620_is_mhl3(ctx)) + sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE), + MHL_INT_RC_FEAT_REQ); + else + sii8620_edid_read(ctx, 0); + } + sii8620_write(ctx, REG_INTR3, stat); +} + +/* endian agnostic, non-volatile version of test_bit */ +static bool sii8620_test_bit(unsigned int nr, const u8 *addr) +{ + return 1 & (addr[nr / BITS_PER_BYTE] >> (nr % BITS_PER_BYTE)); +} + +static irqreturn_t sii8620_irq_thread(int irq, void *data) +{ + static const struct { + int bit; + void (*handler)(struct sii8620 *ctx); + } irq_vec[] = { + { BIT_FAST_INTR_STAT_DISC, sii8620_irq_disc }, + { BIT_FAST_INTR_STAT_G2WB, sii8620_irq_g2wb }, + { BIT_FAST_INTR_STAT_COC, sii8620_irq_coc }, + { BIT_FAST_INTR_STAT_TDM, sii8620_irq_tdm }, + { BIT_FAST_INTR_STAT_MSC, sii8620_irq_msc }, + { BIT_FAST_INTR_STAT_MERR, sii8620_irq_merr }, + { BIT_FAST_INTR_STAT_BLOCK, sii8620_irq_block }, + { BIT_FAST_INTR_STAT_EDID, sii8620_irq_edid }, + { BIT_FAST_INTR_STAT_DDC, sii8620_irq_ddc }, + { BIT_FAST_INTR_STAT_SCDT, sii8620_irq_scdt }, + { BIT_FAST_INTR_STAT_INFR, sii8620_irq_infr }, + }; + struct sii8620 *ctx = data; + u8 stats[LEN_FAST_INTR_STAT]; + int i, ret; + + mutex_lock(&ctx->lock); + + sii8620_read_buf(ctx, REG_FAST_INTR_STAT, stats, ARRAY_SIZE(stats)); + for (i = 0; i < ARRAY_SIZE(irq_vec); ++i) + if (sii8620_test_bit(irq_vec[i].bit, stats)) + irq_vec[i].handler(ctx); + + sii8620_burst_rx_all(ctx); + sii8620_mt_work(ctx); + sii8620_burst_send(ctx); + + ret = sii8620_clear_error(ctx); + if (ret) { + dev_err(ctx->dev, "Error during IRQ handling, %d.\n", ret); + sii8620_mhl_disconnected(ctx); + } + mutex_unlock(&ctx->lock); + + return IRQ_HANDLED; +} + +static void sii8620_cable_in(struct sii8620 *ctx) +{ + struct device *dev = ctx->dev; + u8 ver[5]; + int ret; + + ret = sii8620_hw_on(ctx); + if (ret) { + dev_err(dev, "Error powering on, %d.\n", ret); + return; + } + sii8620_hw_reset(ctx); + + sii8620_read_buf(ctx, REG_VND_IDL, ver, ARRAY_SIZE(ver)); + ret = sii8620_clear_error(ctx); + if (ret) { + dev_err(dev, "Error accessing I2C bus, %d.\n", ret); + return; + } + + dev_info(dev, "ChipID %02x%02x:%02x%02x rev %02x.\n", ver[1], ver[0], + ver[3], ver[2], ver[4]); + + sii8620_write(ctx, REG_DPD, + BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 | BIT_DPD_OSC_EN); + + sii8620_xtal_set_rate(ctx); + sii8620_disconnect(ctx); + + sii8620_write_seq_static(ctx, + REG_MHL_CBUS_CTL0, VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_STRONG + | VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_734, + REG_MHL_CBUS_CTL1, VAL_MHL_CBUS_CTL1_1115_OHM, + REG_DPD, BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 | BIT_DPD_OSC_EN, + ); + + ret = sii8620_clear_error(ctx); + if (ret) { + dev_err(dev, "Error accessing I2C bus, %d.\n", ret); + return; + } + + enable_irq(to_i2c_client(ctx->dev)->irq); +} + +static inline struct sii8620 *bridge_to_sii8620(struct drm_bridge *bridge) +{ + return container_of(bridge, struct sii8620, bridge); +} + +static bool sii8620_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct sii8620 *ctx = bridge_to_sii8620(bridge); + int max_lclk; + bool ret = true; + + mutex_lock(&ctx->lock); + + max_lclk = sii8620_is_mhl3(ctx) ? MHL3_MAX_LCLK : MHL1_MAX_LCLK; + if (max_lclk > 3 * adjusted_mode->clock) { + ctx->use_packed_pixel = 0; + goto end; + } + if ((ctx->devcap[MHL_DCAP_VID_LINK_MODE] & MHL_DCAP_VID_LINK_PPIXEL) && + max_lclk > 2 * adjusted_mode->clock) { + ctx->use_packed_pixel = 1; + goto end; + } + ret = false; +end: + if (ret) { + u8 vic = drm_match_cea_mode(adjusted_mode); + + if (!vic) { + union hdmi_infoframe frm; + u8 mhl_vic[] = { 0, 95, 94, 93, 98 }; + + drm_hdmi_vendor_infoframe_from_display_mode( + &frm.vendor.hdmi, adjusted_mode); + vic = frm.vendor.hdmi.vic; + if (vic >= ARRAY_SIZE(mhl_vic)) + vic = 0; + vic = mhl_vic[vic]; + } + ctx->video_code = vic; + ctx->pixel_clock = adjusted_mode->clock; + } + mutex_unlock(&ctx->lock); + return ret; +} + +static const struct drm_bridge_funcs sii8620_bridge_funcs = { + .mode_fixup = sii8620_mode_fixup, +}; + +static int sii8620_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct sii8620 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->dev = dev; + mutex_init(&ctx->lock); + INIT_LIST_HEAD(&ctx->mt_queue); + + ctx->clk_xtal = devm_clk_get(dev, "xtal"); + if (IS_ERR(ctx->clk_xtal)) { + dev_err(dev, "failed to get xtal clock from DT\n"); + return PTR_ERR(ctx->clk_xtal); + } + + if (!client->irq) { + dev_err(dev, "no irq provided\n"); + return -EINVAL; + } + irq_set_status_flags(client->irq, IRQ_NOAUTOEN); + ret = devm_request_threaded_irq(dev, client->irq, NULL, + sii8620_irq_thread, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "sii8620", ctx); + + ctx->gpio_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->gpio_reset)) { + dev_err(dev, "failed to get reset gpio from DT\n"); + return PTR_ERR(ctx->gpio_reset); + } + + ctx->supplies[0].supply = "cvcc10"; + ctx->supplies[1].supply = "iovcc18"; + ret = devm_regulator_bulk_get(dev, 2, ctx->supplies); + if (ret) + return ret; + + i2c_set_clientdata(client, ctx); + + ctx->bridge.funcs = &sii8620_bridge_funcs; + ctx->bridge.of_node = dev->of_node; + drm_bridge_add(&ctx->bridge); + + sii8620_cable_in(ctx); + + return 0; +} + +static int sii8620_remove(struct i2c_client *client) +{ + struct sii8620 *ctx = i2c_get_clientdata(client); + + disable_irq(to_i2c_client(ctx->dev)->irq); + drm_bridge_remove(&ctx->bridge); + sii8620_hw_off(ctx); + + return 0; +} + +static const struct of_device_id sii8620_dt_match[] = { + { .compatible = "sil,sii8620" }, + { }, +}; +MODULE_DEVICE_TABLE(of, sii8620_dt_match); + +static const struct i2c_device_id sii8620_id[] = { + { "sii8620", 0 }, + { }, +}; + +MODULE_DEVICE_TABLE(i2c, sii8620_id); +static struct i2c_driver sii8620_driver = { + .driver = { + .name = "sii8620", + .of_match_table = of_match_ptr(sii8620_dt_match), + }, + .probe = sii8620_probe, + .remove = sii8620_remove, + .id_table = sii8620_id, +}; + +module_i2c_driver(sii8620_driver); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/bridge/sil-sii8620.h b/drivers/gpu/drm/bridge/sil-sii8620.h new file mode 100644 index 000000000000..51ab540cf092 --- /dev/null +++ b/drivers/gpu/drm/bridge/sil-sii8620.h @@ -0,0 +1,1535 @@ +/* + * Registers of Silicon Image SiI8620 Mobile HD Transmitter + * + * Copyright (C) 2015, Samsung Electronics Co., Ltd. + * Andrzej Hajda <a.hajda@samsung.com> + * + * Based on MHL driver for Android devices. + * Copyright (C) 2013-2014 Silicon Image, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SIL_SII8620_H__ +#define __SIL_SII8620_H__ + +/* Vendor ID Low byte, default value: 0x01 */ +#define REG_VND_IDL 0x0000 + +/* Vendor ID High byte, default value: 0x00 */ +#define REG_VND_IDH 0x0001 + +/* Device ID Low byte, default value: 0x60 */ +#define REG_DEV_IDL 0x0002 + +/* Device ID High byte, default value: 0x86 */ +#define REG_DEV_IDH 0x0003 + +/* Device Revision, default value: 0x10 */ +#define REG_DEV_REV 0x0004 + +/* OTP DBYTE510, default value: 0x00 */ +#define REG_OTP_DBYTE510 0x0006 + +/* System Control #1, default value: 0x00 */ +#define REG_SYS_CTRL1 0x0008 +#define BIT_SYS_CTRL1_OTPVMUTEOVR_SET BIT(7) +#define BIT_SYS_CTRL1_VSYNCPIN BIT(6) +#define BIT_SYS_CTRL1_OTPADROPOVR_SET BIT(5) +#define BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD BIT(4) +#define BIT_SYS_CTRL1_OTP2XVOVR_EN BIT(3) +#define BIT_SYS_CTRL1_OTP2XAOVR_EN BIT(2) +#define BIT_SYS_CTRL1_TX_CTRL_HDMI BIT(1) +#define BIT_SYS_CTRL1_OTPAMUTEOVR_SET BIT(0) + +/* System Control DPD, default value: 0x90 */ +#define REG_DPD 0x000b +#define BIT_DPD_PWRON_PLL BIT(7) +#define BIT_DPD_PDNTX12 BIT(6) +#define BIT_DPD_PDNRX12 BIT(5) +#define BIT_DPD_OSC_EN BIT(4) +#define BIT_DPD_PWRON_HSIC BIT(3) +#define BIT_DPD_PDIDCK_N BIT(2) +#define BIT_DPD_PD_MHL_CLK_N BIT(1) + +/* Dual link Control, default value: 0x00 */ +#define REG_DCTL 0x000d +#define BIT_DCTL_TDM_LCLK_PHASE BIT(7) +#define BIT_DCTL_HSIC_CLK_PHASE BIT(6) +#define BIT_DCTL_CTS_TCK_PHASE BIT(5) +#define BIT_DCTL_EXT_DDC_SEL BIT(4) +#define BIT_DCTL_TRANSCODE BIT(3) +#define BIT_DCTL_HSIC_RX_STROBE_PHASE BIT(2) +#define BIT_DCTL_HSIC_TX_BIST_START_SEL BIT(1) +#define BIT_DCTL_TCLKNX_PHASE BIT(0) + +/* PWD Software Reset, default value: 0x20 */ +#define REG_PWD_SRST 0x000e +#define BIT_PWD_SRST_COC_DOC_RST BIT(7) +#define BIT_PWD_SRST_CBUS_RST_SW BIT(6) +#define BIT_PWD_SRST_CBUS_RST_SW_EN BIT(5) +#define BIT_PWD_SRST_MHLFIFO_RST BIT(4) +#define BIT_PWD_SRST_CBUS_RST BIT(3) +#define BIT_PWD_SRST_SW_RST_AUTO BIT(2) +#define BIT_PWD_SRST_HDCP2X_SW_RST BIT(1) +#define BIT_PWD_SRST_SW_RST BIT(0) + +/* AKSV_1, default value: 0x00 */ +#define REG_AKSV_1 0x001d + +/* Video H Resolution #1, default value: 0x00 */ +#define REG_H_RESL 0x003a + +/* Video Mode, default value: 0x00 */ +#define REG_VID_MODE 0x004a +#define BIT_VID_MODE_M1080P BIT(6) + +/* Video Input Mode, default value: 0xc0 */ +#define REG_VID_OVRRD 0x0051 +#define BIT_VID_OVRRD_PP_AUTO_DISABLE BIT(7) +#define BIT_VID_OVRRD_M1080P_OVRRD BIT(6) +#define BIT_VID_OVRRD_MINIVSYNC_ON BIT(5) +#define BIT_VID_OVRRD_3DCONV_EN_FRAME_PACK BIT(4) +#define BIT_VID_OVRRD_ENABLE_AUTO_PATH_EN BIT(3) +#define BIT_VID_OVRRD_ENRGB2YCBCR_OVRRD BIT(2) +#define BIT_VID_OVRRD_ENDOWNSAMPLE_OVRRD BIT(0) + +/* I2C Address reassignment, default value: 0x00 */ +#define REG_PAGE_MHLSPEC_ADDR 0x0057 +#define REG_PAGE7_ADDR 0x0058 +#define REG_PAGE8_ADDR 0x005c + +/* Fast Interrupt Status, default value: 0x00 */ +#define REG_FAST_INTR_STAT 0x005f +#define LEN_FAST_INTR_STAT 7 +#define BIT_FAST_INTR_STAT_TIMR 8 +#define BIT_FAST_INTR_STAT_INT2 9 +#define BIT_FAST_INTR_STAT_DDC 10 +#define BIT_FAST_INTR_STAT_SCDT 11 +#define BIT_FAST_INTR_STAT_INFR 13 +#define BIT_FAST_INTR_STAT_EDID 14 +#define BIT_FAST_INTR_STAT_HDCP 15 +#define BIT_FAST_INTR_STAT_MSC 16 +#define BIT_FAST_INTR_STAT_MERR 17 +#define BIT_FAST_INTR_STAT_G2WB 18 +#define BIT_FAST_INTR_STAT_G2WB_ERR 19 +#define BIT_FAST_INTR_STAT_DISC 28 +#define BIT_FAST_INTR_STAT_BLOCK 30 +#define BIT_FAST_INTR_STAT_LTRN 31 +#define BIT_FAST_INTR_STAT_HDCP2 32 +#define BIT_FAST_INTR_STAT_TDM 42 +#define BIT_FAST_INTR_STAT_COC 51 + +/* GPIO Control, default value: 0x15 */ +#define REG_GPIO_CTRL1 0x006e +#define BIT_CTRL1_GPIO_I_8 BIT(5) +#define BIT_CTRL1_GPIO_OEN_8 BIT(4) +#define BIT_CTRL1_GPIO_I_7 BIT(3) +#define BIT_CTRL1_GPIO_OEN_7 BIT(2) +#define BIT_CTRL1_GPIO_I_6 BIT(1) +#define BIT_CTRL1_GPIO_OEN_6 BIT(0) + +/* Interrupt Control, default value: 0x06 */ +#define REG_INT_CTRL 0x006f +#define BIT_INT_CTRL_SOFTWARE_WP BIT(7) +#define BIT_INT_CTRL_INTR_OD BIT(2) +#define BIT_INT_CTRL_INTR_POLARITY BIT(1) + +/* Interrupt State, default value: 0x00 */ +#define REG_INTR_STATE 0x0070 +#define BIT_INTR_STATE_INTR_STATE BIT(0) + +/* Interrupt Source #1, default value: 0x00 */ +#define REG_INTR1 0x0071 + +/* Interrupt Source #2, default value: 0x00 */ +#define REG_INTR2 0x0072 + +/* Interrupt Source #3, default value: 0x01 */ +#define REG_INTR3 0x0073 +#define BIT_DDC_CMD_DONE BIT(3) + +/* Interrupt Source #5, default value: 0x00 */ +#define REG_INTR5 0x0074 + +/* Interrupt #1 Mask, default value: 0x00 */ +#define REG_INTR1_MASK 0x0075 + +/* Interrupt #2 Mask, default value: 0x00 */ +#define REG_INTR2_MASK 0x0076 + +/* Interrupt #3 Mask, default value: 0x00 */ +#define REG_INTR3_MASK 0x0077 + +/* Interrupt #5 Mask, default value: 0x00 */ +#define REG_INTR5_MASK 0x0078 +#define BIT_INTR_SCDT_CHANGE BIT(0) + +/* Hot Plug Connection Control, default value: 0x45 */ +#define REG_HPD_CTRL 0x0079 +#define BIT_HPD_CTRL_HPD_DS_SIGNAL BIT(7) +#define BIT_HPD_CTRL_HPD_OUT_OD_EN BIT(6) +#define BIT_HPD_CTRL_HPD_HIGH BIT(5) +#define BIT_HPD_CTRL_HPD_OUT_OVR_EN BIT(4) +#define BIT_HPD_CTRL_GPIO_I_1 BIT(3) +#define BIT_HPD_CTRL_GPIO_OEN_1 BIT(2) +#define BIT_HPD_CTRL_GPIO_I_0 BIT(1) +#define BIT_HPD_CTRL_GPIO_OEN_0 BIT(0) + +/* GPIO Control, default value: 0x55 */ +#define REG_GPIO_CTRL 0x007a +#define BIT_CTRL_GPIO_I_5 BIT(7) +#define BIT_CTRL_GPIO_OEN_5 BIT(6) +#define BIT_CTRL_GPIO_I_4 BIT(5) +#define BIT_CTRL_GPIO_OEN_4 BIT(4) +#define BIT_CTRL_GPIO_I_3 BIT(3) +#define BIT_CTRL_GPIO_OEN_3 BIT(2) +#define BIT_CTRL_GPIO_I_2 BIT(1) +#define BIT_CTRL_GPIO_OEN_2 BIT(0) + +/* Interrupt Source 7, default value: 0x00 */ +#define REG_INTR7 0x007b + +/* Interrupt Source 8, default value: 0x00 */ +#define REG_INTR8 0x007c + +/* Interrupt #7 Mask, default value: 0x00 */ +#define REG_INTR7_MASK 0x007d + +/* Interrupt #8 Mask, default value: 0x00 */ +#define REG_INTR8_MASK 0x007e +#define BIT_CEA_NEW_VSI BIT(2) +#define BIT_CEA_NEW_AVI BIT(1) + +/* IEEE, default value: 0x10 */ +#define REG_TMDS_CCTRL 0x0080 +#define BIT_TMDS_CCTRL_TMDS_OE BIT(4) + +/* TMDS Control #4, default value: 0x02 */ +#define REG_TMDS_CTRL4 0x0085 +#define BIT_TMDS_CTRL4_SCDT_CKDT_SEL BIT(1) +#define BIT_TMDS_CTRL4_TX_EN_BY_SCDT BIT(0) + +/* BIST CNTL, default value: 0x00 */ +#define REG_BIST_CTRL 0x00bb +#define BIT_RXBIST_VGB_EN BIT(7) +#define BIT_TXBIST_VGB_EN BIT(6) +#define BIT_BIST_START_SEL BIT(5) +#define BIT_BIST_START_BIT BIT(4) +#define BIT_BIST_ALWAYS_ON BIT(3) +#define BIT_BIST_TRANS BIT(2) +#define BIT_BIST_RESET BIT(1) +#define BIT_BIST_EN BIT(0) + +/* BIST DURATION0, default value: 0x00 */ +#define REG_BIST_TEST_SEL 0x00bd +#define MSK_BIST_TEST_SEL_BIST_PATT_SEL 0x0f + +/* BIST VIDEO_MODE, default value: 0x00 */ +#define REG_BIST_VIDEO_MODE 0x00be +#define MSK_BIST_VIDEO_MODE_BIST_VIDEO_MODE_3_0 0x0f + +/* BIST DURATION0, default value: 0x00 */ +#define REG_BIST_DURATION_0 0x00bf + +/* BIST DURATION1, default value: 0x00 */ +#define REG_BIST_DURATION_1 0x00c0 + +/* BIST DURATION2, default value: 0x00 */ +#define REG_BIST_DURATION_2 0x00c1 + +/* BIST 8BIT_PATTERN, default value: 0x00 */ +#define REG_BIST_8BIT_PATTERN 0x00c2 + +/* LM DDC, default value: 0x80 */ +#define REG_LM_DDC 0x00c7 +#define BIT_LM_DDC_SW_TPI_EN_DISABLED BIT(7) + +#define BIT_LM_DDC_VIDEO_MUTE_EN BIT(5) +#define BIT_LM_DDC_DDC_TPI_SW BIT(2) +#define BIT_LM_DDC_DDC_GRANT BIT(1) +#define BIT_LM_DDC_DDC_GPU_REQUEST BIT(0) + +/* DDC I2C Manual, default value: 0x03 */ +#define REG_DDC_MANUAL 0x00ec +#define BIT_DDC_MANUAL_MAN_DDC BIT(7) +#define BIT_DDC_MANUAL_VP_SEL BIT(6) +#define BIT_DDC_MANUAL_DSDA BIT(5) +#define BIT_DDC_MANUAL_DSCL BIT(4) +#define BIT_DDC_MANUAL_GCP_HW_CTL_EN BIT(3) +#define BIT_DDC_MANUAL_DDCM_ABORT_WP BIT(2) +#define BIT_DDC_MANUAL_IO_DSDA BIT(1) +#define BIT_DDC_MANUAL_IO_DSCL BIT(0) + +/* DDC I2C Target Slave Address, default value: 0x00 */ +#define REG_DDC_ADDR 0x00ed +#define MSK_DDC_ADDR_DDC_ADDR 0xfe + +/* DDC I2C Target Segment Address, default value: 0x00 */ +#define REG_DDC_SEGM 0x00ee + +/* DDC I2C Target Offset Address, default value: 0x00 */ +#define REG_DDC_OFFSET 0x00ef + +/* DDC I2C Data In count #1, default value: 0x00 */ +#define REG_DDC_DIN_CNT1 0x00f0 + +/* DDC I2C Data In count #2, default value: 0x00 */ +#define REG_DDC_DIN_CNT2 0x00f1 +#define MSK_DDC_DIN_CNT2_DDC_DIN_CNT_9_8 0x03 + +/* DDC I2C Status, default value: 0x04 */ +#define REG_DDC_STATUS 0x00f2 +#define BIT_DDC_STATUS_DDC_BUS_LOW BIT(6) +#define BIT_DDC_STATUS_DDC_NO_ACK BIT(5) +#define BIT_DDC_STATUS_DDC_I2C_IN_PROG BIT(4) +#define BIT_DDC_STATUS_DDC_FIFO_FULL BIT(3) +#define BIT_DDC_STATUS_DDC_FIFO_EMPTY BIT(2) +#define BIT_DDC_STATUS_DDC_FIFO_READ_IN_SUE BIT(1) +#define BIT_DDC_STATUS_DDC_FIFO_WRITE_IN_USE BIT(0) + +/* DDC I2C Command, default value: 0x70 */ +#define REG_DDC_CMD 0x00f3 +#define BIT_DDC_CMD_HDCP_DDC_EN BIT(6) +#define BIT_DDC_CMD_SDA_DEL_EN BIT(5) +#define BIT_DDC_CMD_DDC_FLT_EN BIT(4) + +#define MSK_DDC_CMD_DDC_CMD 0x0f +#define VAL_DDC_CMD_ENH_DDC_READ_NO_ACK 0x04 +#define VAL_DDC_CMD_DDC_CMD_CLEAR_FIFO 0x09 +#define VAL_DDC_CMD_DDC_CMD_ABORT 0x0f + +/* DDC I2C FIFO Data In/Out, default value: 0x00 */ +#define REG_DDC_DATA 0x00f4 + +/* DDC I2C Data Out Counter, default value: 0x00 */ +#define REG_DDC_DOUT_CNT 0x00f5 +#define BIT_DDC_DOUT_CNT_DDC_DELAY_CNT_8 BIT(7) +#define MSK_DDC_DOUT_CNT_DDC_DATA_OUT_CNT 0x1f + +/* DDC I2C Delay Count, default value: 0x14 */ +#define REG_DDC_DELAY_CNT 0x00f6 + +/* Test Control, default value: 0x80 */ +#define REG_TEST_TXCTRL 0x00f7 +#define BIT_TEST_TXCTRL_RCLK_REF_SEL BIT(7) +#define BIT_TEST_TXCTRL_PCLK_REF_SEL BIT(6) +#define MSK_TEST_TXCTRL_BYPASS_PLL_CLK 0x3c +#define BIT_TEST_TXCTRL_HDMI_MODE BIT(1) +#define BIT_TEST_TXCTRL_TST_PLLCK BIT(0) + +/* CBUS Address, default value: 0x00 */ +#define REG_PAGE_CBUS_ADDR 0x00f8 + +/* I2C Device Address re-assignment */ +#define REG_PAGE1_ADDR 0x00fc +#define REG_PAGE2_ADDR 0x00fd +#define REG_PAGE3_ADDR 0x00fe +#define REG_HW_TPI_ADDR 0x00ff + +/* USBT CTRL0, default value: 0x00 */ +#define REG_UTSRST 0x0100 +#define BIT_UTSRST_FC_SRST BIT(5) +#define BIT_UTSRST_KEEPER_SRST BIT(4) +#define BIT_UTSRST_HTX_SRST BIT(3) +#define BIT_UTSRST_TRX_SRST BIT(2) +#define BIT_UTSRST_TTX_SRST BIT(1) +#define BIT_UTSRST_HRX_SRST BIT(0) + +/* HSIC RX Control3, default value: 0x07 */ +#define REG_HRXCTRL3 0x0104 +#define MSK_HRXCTRL3_HRX_AFFCTRL 0xf0 +#define BIT_HRXCTRL3_HRX_OUT_EN BIT(2) +#define BIT_HRXCTRL3_STATUS_EN BIT(1) +#define BIT_HRXCTRL3_HRX_STAY_RESET BIT(0) + +/* HSIC RX INT Registers */ +#define REG_HRXINTL 0x0111 +#define REG_HRXINTH 0x0112 + +/* TDM TX NUMBITS, default value: 0x0c */ +#define REG_TTXNUMB 0x0116 +#define MSK_TTXNUMB_TTX_AFFCTRL_3_0 0xf0 +#define BIT_TTXNUMB_TTX_COM1_AT_SYNC_WAIT BIT(3) +#define MSK_TTXNUMB_TTX_NUMBPS 0x07 + +/* TDM TX NUMSPISYM, default value: 0x04 */ +#define REG_TTXSPINUMS 0x0117 + +/* TDM TX NUMHSICSYM, default value: 0x14 */ +#define REG_TTXHSICNUMS 0x0118 + +/* TDM TX NUMTOTSYM, default value: 0x18 */ +#define REG_TTXTOTNUMS 0x0119 + +/* TDM TX INT Low, default value: 0x00 */ +#define REG_TTXINTL 0x0136 +#define BIT_TTXINTL_TTX_INTR7 BIT(7) +#define BIT_TTXINTL_TTX_INTR6 BIT(6) +#define BIT_TTXINTL_TTX_INTR5 BIT(5) +#define BIT_TTXINTL_TTX_INTR4 BIT(4) +#define BIT_TTXINTL_TTX_INTR3 BIT(3) +#define BIT_TTXINTL_TTX_INTR2 BIT(2) +#define BIT_TTXINTL_TTX_INTR1 BIT(1) +#define BIT_TTXINTL_TTX_INTR0 BIT(0) + +/* TDM TX INT High, default value: 0x00 */ +#define REG_TTXINTH 0x0137 +#define BIT_TTXINTH_TTX_INTR15 BIT(7) +#define BIT_TTXINTH_TTX_INTR14 BIT(6) +#define BIT_TTXINTH_TTX_INTR13 BIT(5) +#define BIT_TTXINTH_TTX_INTR12 BIT(4) +#define BIT_TTXINTH_TTX_INTR11 BIT(3) +#define BIT_TTXINTH_TTX_INTR10 BIT(2) +#define BIT_TTXINTH_TTX_INTR9 BIT(1) +#define BIT_TTXINTH_TTX_INTR8 BIT(0) + +/* TDM RX Control, default value: 0x1c */ +#define REG_TRXCTRL 0x013b +#define BIT_TRXCTRL_TRX_CLR_WVALLOW BIT(4) +#define BIT_TRXCTRL_TRX_FROM_SE_COC BIT(3) +#define MSK_TRXCTRL_TRX_NUMBPS_2_0 0x07 + +/* TDM RX NUMSPISYM, default value: 0x04 */ +#define REG_TRXSPINUMS 0x013c + +/* TDM RX NUMHSICSYM, default value: 0x14 */ +#define REG_TRXHSICNUMS 0x013d + +/* TDM RX NUMTOTSYM, default value: 0x18 */ +#define REG_TRXTOTNUMS 0x013e + +/* TDM RX Status 2nd, default value: 0x00 */ +#define REG_TRXSTA2 0x015c +#define MSK_TDM_SYNCHRONIZED 0xc0 +#define VAL_TDM_SYNCHRONIZED 0x80 + +/* TDM RX INT Low, default value: 0x00 */ +#define REG_TRXINTL 0x0163 + +/* TDM RX INT High, default value: 0x00 */ +#define REG_TRXINTH 0x0164 +#define BIT_TDM_INTR_SYNC_DATA BIT(0) +#define BIT_TDM_INTR_SYNC_WAIT BIT(1) + +/* TDM RX INTMASK High, default value: 0x00 */ +#define REG_TRXINTMH 0x0166 + +/* HSIC TX CRTL, default value: 0x00 */ +#define REG_HTXCTRL 0x0169 +#define BIT_HTXCTRL_HTX_ALLSBE_SOP BIT(4) +#define BIT_HTXCTRL_HTX_RGDINV_USB BIT(3) +#define BIT_HTXCTRL_HTX_RSPTDM_BUSY BIT(2) +#define BIT_HTXCTRL_HTX_DRVCONN1 BIT(1) +#define BIT_HTXCTRL_HTX_DRVRST1 BIT(0) + +/* HSIC TX INT Low, default value: 0x00 */ +#define REG_HTXINTL 0x017d + +/* HSIC TX INT High, default value: 0x00 */ +#define REG_HTXINTH 0x017e + +/* HSIC Keeper, default value: 0x00 */ +#define REG_KEEPER 0x0181 +#define MSK_KEEPER_MODE 0x03 +#define VAL_KEEPER_MODE_HOST 0 +#define VAL_KEEPER_MODE_DEVICE 2 + +/* HSIC Flow Control General, default value: 0x02 */ +#define REG_FCGC 0x0183 +#define BIT_FCGC_HSIC_HOSTMODE BIT(1) +#define BIT_FCGC_HSIC_ENABLE BIT(0) + +/* HSIC Flow Control CTR13, default value: 0xfc */ +#define REG_FCCTR13 0x0191 + +/* HSIC Flow Control CTR14, default value: 0xff */ +#define REG_FCCTR14 0x0192 + +/* HSIC Flow Control CTR15, default value: 0xff */ +#define REG_FCCTR15 0x0193 + +/* HSIC Flow Control CTR50, default value: 0x03 */ +#define REG_FCCTR50 0x01b6 + +/* HSIC Flow Control INTR0, default value: 0x00 */ +#define REG_FCINTR0 0x01ec +#define REG_FCINTR1 0x01ed +#define REG_FCINTR2 0x01ee +#define REG_FCINTR3 0x01ef +#define REG_FCINTR4 0x01f0 +#define REG_FCINTR5 0x01f1 +#define REG_FCINTR6 0x01f2 +#define REG_FCINTR7 0x01f3 + +/* TDM Low Latency, default value: 0x20 */ +#define REG_TDMLLCTL 0x01fc +#define MSK_TDMLLCTL_TRX_LL_SEL_MANUAL 0xc0 +#define MSK_TDMLLCTL_TRX_LL_SEL_MODE 0x30 +#define MSK_TDMLLCTL_TTX_LL_SEL_MANUAL 0x0c +#define BIT_TDMLLCTL_TTX_LL_TIE_LOW BIT(1) +#define BIT_TDMLLCTL_TTX_LL_SEL_MODE BIT(0) + +/* TMDS 0 Clock Control, default value: 0x10 */ +#define REG_TMDS0_CCTRL1 0x0210 +#define MSK_TMDS0_CCTRL1_TEST_SEL 0xc0 +#define MSK_TMDS0_CCTRL1_CLK1X_CTL 0x30 + +/* TMDS Clock Enable, default value: 0x00 */ +#define REG_TMDS_CLK_EN 0x0211 +#define BIT_TMDS_CLK_EN_CLK_EN BIT(0) + +/* TMDS Channel Enable, default value: 0x00 */ +#define REG_TMDS_CH_EN 0x0212 +#define BIT_TMDS_CH_EN_CH0_EN BIT(4) +#define BIT_TMDS_CH_EN_CH12_EN BIT(0) + +/* BGR_BIAS, default value: 0x07 */ +#define REG_BGR_BIAS 0x0215 +#define BIT_BGR_BIAS_BGR_EN BIT(7) +#define MSK_BGR_BIAS_BIAS_BGR_D 0x0f + +/* TMDS 0 Digital I2C BW, default value: 0x0a */ +#define REG_ALICE0_BW_I2C 0x0231 + +/* TMDS 0 Digital Zone Control, default value: 0xe0 */ +#define REG_ALICE0_ZONE_CTRL 0x024c +#define BIT_ALICE0_ZONE_CTRL_ICRST_N BIT(7) +#define BIT_ALICE0_ZONE_CTRL_USE_INT_DIV20 BIT(6) +#define MSK_ALICE0_ZONE_CTRL_SZONE_I2C 0x30 +#define MSK_ALICE0_ZONE_CTRL_ZONE_CTRL 0x0f + +/* TMDS 0 Digital PLL Mode Control, default value: 0x00 */ +#define REG_ALICE0_MODE_CTRL 0x024d +#define MSK_ALICE0_MODE_CTRL_PLL_MODE_I2C 0x0c +#define MSK_ALICE0_MODE_CTRL_DIV20_CTRL 0x03 + +/* MHL Tx Control 6th, default value: 0xa0 */ +#define REG_MHLTX_CTL6 0x0285 +#define MSK_MHLTX_CTL6_EMI_SEL 0xe0 +#define MSK_MHLTX_CTL6_TX_CLK_SHAPE_9_8 0x03 + +/* Packet Filter0, default value: 0x00 */ +#define REG_PKT_FILTER_0 0x0290 +#define BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT BIT(7) +#define BIT_PKT_FILTER_0_DROP_CEA_CP_PKT BIT(6) +#define BIT_PKT_FILTER_0_DROP_MPEG_PKT BIT(5) +#define BIT_PKT_FILTER_0_DROP_SPIF_PKT BIT(4) +#define BIT_PKT_FILTER_0_DROP_AIF_PKT BIT(3) +#define BIT_PKT_FILTER_0_DROP_AVI_PKT BIT(2) +#define BIT_PKT_FILTER_0_DROP_CTS_PKT BIT(1) +#define BIT_PKT_FILTER_0_DROP_GCP_PKT BIT(0) + +/* Packet Filter1, default value: 0x00 */ +#define REG_PKT_FILTER_1 0x0291 +#define BIT_PKT_FILTER_1_VSI_OVERRIDE_DIS BIT(7) +#define BIT_PKT_FILTER_1_AVI_OVERRIDE_DIS BIT(6) +#define BIT_PKT_FILTER_1_DROP_AUDIO_PKT BIT(3) +#define BIT_PKT_FILTER_1_DROP_GEN2_PKT BIT(2) +#define BIT_PKT_FILTER_1_DROP_GEN_PKT BIT(1) +#define BIT_PKT_FILTER_1_DROP_VSIF_PKT BIT(0) + +/* TMDS Clock Status, default value: 0x10 */ +#define REG_TMDS_CSTAT_P3 0x02a0 +#define BIT_TMDS_CSTAT_P3_RX_HDMI_CP_CLR_MUTE BIT(7) +#define BIT_TMDS_CSTAT_P3_RX_HDMI_CP_SET_MUTE BIT(6) +#define BIT_TMDS_CSTAT_P3_RX_HDMI_CP_NEW_CP BIT(5) +#define BIT_TMDS_CSTAT_P3_CLR_AVI BIT(3) +#define BIT_TMDS_CSTAT_P3_SCDT_CLR_AVI_DIS BIT(2) +#define BIT_TMDS_CSTAT_P3_SCDT BIT(1) +#define BIT_TMDS_CSTAT_P3_CKDT BIT(0) + +/* RX_HDMI Control, default value: 0x10 */ +#define REG_RX_HDMI_CTRL0 0x02a1 +#define BIT_RX_HDMI_CTRL0_BYP_DVIFILT_SYNC BIT(5) +#define BIT_RX_HDMI_CTRL0_HDMI_MODE_EN_ITSELF_CLR BIT(4) +#define BIT_RX_HDMI_CTRL0_HDMI_MODE_SW_VALUE BIT(3) +#define BIT_RX_HDMI_CTRL0_HDMI_MODE_OVERWRITE BIT(2) +#define BIT_RX_HDMI_CTRL0_RX_HDMI_HDMI_MODE_EN BIT(1) +#define BIT_RX_HDMI_CTRL0_RX_HDMI_HDMI_MODE BIT(0) + +/* RX_HDMI Control, default value: 0x38 */ +#define REG_RX_HDMI_CTRL2 0x02a3 +#define MSK_RX_HDMI_CTRL2_IDLE_CNT 0xf0 +#define VAL_RX_HDMI_CTRL2_IDLE_CNT(n) ((n) << 4) +#define BIT_RX_HDMI_CTRL2_USE_AV_MUTE BIT(3) +#define BIT_RX_HDMI_CTRL2_VSI_MON_SEL_VSI BIT(0) + +/* RX_HDMI Control, default value: 0x0f */ +#define REG_RX_HDMI_CTRL3 0x02a4 +#define MSK_RX_HDMI_CTRL3_PP_MODE_CLK_EN 0x0f + +/* rx_hdmi Clear Buffer, default value: 0x00 */ +#define REG_RX_HDMI_CLR_BUFFER 0x02ac +#define MSK_RX_HDMI_CLR_BUFFER_AIF4VSI_CMP 0xc0 +#define BIT_RX_HDMI_CLR_BUFFER_USE_AIF4VSI BIT(5) +#define BIT_RX_HDMI_CLR_BUFFER_VSI_CLR_W_AVI BIT(4) +#define BIT_RX_HDMI_CLR_BUFFER_VSI_IEEE_ID_CHK_EN BIT(3) +#define BIT_RX_HDMI_CLR_BUFFER_SWAP_VSI_IEEE_ID BIT(2) +#define BIT_RX_HDMI_CLR_BUFFER_AIF_CLR_EN BIT(1) +#define BIT_RX_HDMI_CLR_BUFFER_VSI_CLR_EN BIT(0) + +/* RX_HDMI VSI Header1, default value: 0x00 */ +#define REG_RX_HDMI_MON_PKT_HEADER1 0x02b8 + +/* RX_HDMI VSI MHL Monitor, default value: 0x3c */ +#define REG_RX_HDMI_VSIF_MHL_MON 0x02d7 + +#define MSK_RX_HDMI_VSIF_MHL_MON_RX_HDMI_MHL_3D_FORMAT 0x3c +#define MSK_RX_HDMI_VSIF_MHL_MON_RX_HDMI_MHL_VID_FORMAT 0x03 + +/* Interrupt Source 9, default value: 0x00 */ +#define REG_INTR9 0x02e0 +#define BIT_INTR9_EDID_ERROR BIT(6) +#define BIT_INTR9_EDID_DONE BIT(5) +#define BIT_INTR9_DEVCAP_DONE BIT(4) + +/* Interrupt 9 Mask, default value: 0x00 */ +#define REG_INTR9_MASK 0x02e1 + +/* TPI CBUS Start, default value: 0x00 */ +#define REG_TPI_CBUS_START 0x02e2 +#define BIT_TPI_CBUS_START_RCP_REQ_START BIT(7) +#define BIT_TPI_CBUS_START_RCPK_REPLY_START BIT(6) +#define BIT_TPI_CBUS_START_RCPE_REPLY_START BIT(5) +#define BIT_TPI_CBUS_START_PUT_LINK_MODE_START BIT(4) +#define BIT_TPI_CBUS_START_PUT_DCAPCHG_START BIT(3) +#define BIT_TPI_CBUS_START_PUT_DCAPRDY_START BIT(2) +#define BIT_TPI_CBUS_START_GET_EDID_START_0 BIT(1) +#define BIT_TPI_CBUS_START_GET_DEVCAP_START BIT(0) + +/* EDID Control, default value: 0x10 */ +#define REG_EDID_CTRL 0x02e3 +#define BIT_EDID_CTRL_EDID_PRIME_VALID BIT(7) +#define BIT_EDID_CTRL_XDEVCAP_EN BIT(6) +#define BIT_EDID_CTRL_DEVCAP_SELECT_DEVCAP BIT(5) +#define BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO BIT(4) +#define BIT_EDID_CTRL_EDID_FIFO_ACCESS_ALWAYS_EN BIT(3) +#define BIT_EDID_CTRL_EDID_FIFO_BLOCK_SEL BIT(2) +#define BIT_EDID_CTRL_INVALID_BKSV BIT(1) +#define BIT_EDID_CTRL_EDID_MODE_EN BIT(0) + +/* EDID FIFO Addr, default value: 0x00 */ +#define REG_EDID_FIFO_ADDR 0x02e9 + +/* EDID FIFO Write Data, default value: 0x00 */ +#define REG_EDID_FIFO_WR_DATA 0x02ea + +/* EDID/DEVCAP FIFO Internal Addr, default value: 0x00 */ +#define REG_EDID_FIFO_ADDR_MON 0x02eb + +/* EDID FIFO Read Data, default value: 0x00 */ +#define REG_EDID_FIFO_RD_DATA 0x02ec + +/* EDID DDC Segment Pointer, default value: 0x00 */ +#define REG_EDID_START_EXT 0x02ed + +/* TX IP BIST CNTL and Status, default value: 0x00 */ +#define REG_TX_IP_BIST_CNTLSTA 0x02f2 +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_QUARTER_CLK_SEL BIT(6) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_DONE BIT(5) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_ON BIT(4) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_RUN BIT(3) +#define BIT_TX_IP_BIST_CNTLSTA_TXCLK_HALF_SEL BIT(2) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_EN BIT(1) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_SEL BIT(0) + +/* TX IP BIST INST LOW, default value: 0x00 */ +#define REG_TX_IP_BIST_INST_LOW 0x02f3 +#define REG_TX_IP_BIST_INST_HIGH 0x02f4 + +/* TX IP BIST PATTERN LOW, default value: 0x00 */ +#define REG_TX_IP_BIST_PAT_LOW 0x02f5 +#define REG_TX_IP_BIST_PAT_HIGH 0x02f6 + +/* TX IP BIST CONFIGURE LOW, default value: 0x00 */ +#define REG_TX_IP_BIST_CONF_LOW 0x02f7 +#define REG_TX_IP_BIST_CONF_HIGH 0x02f8 + +/* E-MSC General Control, default value: 0x80 */ +#define REG_GENCTL 0x0300 +#define BIT_GENCTL_SPEC_TRANS_DIS BIT(7) +#define BIT_GENCTL_DIS_XMIT_ERR_STATE BIT(6) +#define BIT_GENCTL_SPI_MISO_EDGE BIT(5) +#define BIT_GENCTL_SPI_MOSI_EDGE BIT(4) +#define BIT_GENCTL_CLR_EMSC_RFIFO BIT(3) +#define BIT_GENCTL_CLR_EMSC_XFIFO BIT(2) +#define BIT_GENCTL_START_TRAIN_SEQ BIT(1) +#define BIT_GENCTL_EMSC_EN BIT(0) + +/* E-MSC Comma ErrorCNT, default value: 0x03 */ +#define REG_COMMECNT 0x0305 +#define BIT_COMMECNT_I2C_TO_EMSC_EN BIT(7) +#define MSK_COMMECNT_COMMA_CHAR_ERR_CNT 0x0f + +/* E-MSC RFIFO ByteCnt, default value: 0x00 */ +#define REG_EMSCRFIFOBCNTL 0x031a +#define REG_EMSCRFIFOBCNTH 0x031b + +/* SPI Burst Cnt Status, default value: 0x00 */ +#define REG_SPIBURSTCNT 0x031e + +/* SPI Burst Status and SWRST, default value: 0x00 */ +#define REG_SPIBURSTSTAT 0x0322 +#define BIT_SPIBURSTSTAT_SPI_HDCPRST BIT(7) +#define BIT_SPIBURSTSTAT_SPI_CBUSRST BIT(6) +#define BIT_SPIBURSTSTAT_SPI_SRST BIT(5) +#define BIT_SPIBURSTSTAT_EMSC_NORMAL_MODE BIT(0) + +/* E-MSC 1st Interrupt, default value: 0x00 */ +#define REG_EMSCINTR 0x0323 +#define BIT_EMSCINTR_EMSC_XFIFO_EMPTY BIT(7) +#define BIT_EMSCINTR_EMSC_XMIT_ACK_TOUT BIT(6) +#define BIT_EMSCINTR_EMSC_RFIFO_READ_ERR BIT(5) +#define BIT_EMSCINTR_EMSC_XFIFO_WRITE_ERR BIT(4) +#define BIT_EMSCINTR_EMSC_COMMA_CHAR_ERR BIT(3) +#define BIT_EMSCINTR_EMSC_XMIT_DONE BIT(2) +#define BIT_EMSCINTR_EMSC_XMIT_GNT_TOUT BIT(1) +#define BIT_EMSCINTR_SPI_DVLD BIT(0) + +/* E-MSC Interrupt Mask, default value: 0x00 */ +#define REG_EMSCINTRMASK 0x0324 + +/* I2C E-MSC XMIT FIFO Write Port, default value: 0x00 */ +#define REG_EMSC_XMIT_WRITE_PORT 0x032a + +/* I2C E-MSC RCV FIFO Write Port, default value: 0x00 */ +#define REG_EMSC_RCV_READ_PORT 0x032b + +/* E-MSC 2nd Interrupt, default value: 0x00 */ +#define REG_EMSCINTR1 0x032c +#define BIT_EMSCINTR1_EMSC_TRAINING_COMMA_ERR BIT(0) + +/* E-MSC Interrupt Mask, default value: 0x00 */ +#define REG_EMSCINTRMASK1 0x032d +#define BIT_EMSCINTRMASK1_EMSC_INTRMASK1_0 BIT(0) + +/* MHL Top Ctl, default value: 0x00 */ +#define REG_MHL_TOP_CTL 0x0330 +#define BIT_MHL_TOP_CTL_MHL3_DOC_SEL BIT(7) +#define BIT_MHL_TOP_CTL_MHL_PP_SEL BIT(6) +#define MSK_MHL_TOP_CTL_IF_TIMING_CTL 0x03 + +/* MHL DataPath 1st Ctl, default value: 0xbc */ +#define REG_MHL_DP_CTL0 0x0331 +#define BIT_MHL_DP_CTL0_DP_OE BIT(7) +#define BIT_MHL_DP_CTL0_TX_OE_OVR BIT(6) +#define MSK_MHL_DP_CTL0_TX_OE 0x3f + +/* MHL DataPath 2nd Ctl, default value: 0xbb */ +#define REG_MHL_DP_CTL1 0x0332 +#define MSK_MHL_DP_CTL1_CK_SWING_CTL 0xf0 +#define MSK_MHL_DP_CTL1_DT_SWING_CTL 0x0f + +/* MHL DataPath 3rd Ctl, default value: 0x2f */ +#define REG_MHL_DP_CTL2 0x0333 +#define BIT_MHL_DP_CTL2_CLK_BYPASS_EN BIT(7) +#define MSK_MHL_DP_CTL2_DAMP_TERM_SEL 0x30 +#define MSK_MHL_DP_CTL2_CK_TERM_SEL 0x0c +#define MSK_MHL_DP_CTL2_DT_TERM_SEL 0x03 + +/* MHL DataPath 4th Ctl, default value: 0x48 */ +#define REG_MHL_DP_CTL3 0x0334 +#define MSK_MHL_DP_CTL3_DT_DRV_VNBC_CTL 0xf0 +#define MSK_MHL_DP_CTL3_DT_DRV_VNB_CTL 0x0f + +/* MHL DataPath 5th Ctl, default value: 0x48 */ +#define REG_MHL_DP_CTL4 0x0335 +#define MSK_MHL_DP_CTL4_CK_DRV_VNBC_CTL 0xf0 +#define MSK_MHL_DP_CTL4_CK_DRV_VNB_CTL 0x0f + +/* MHL DataPath 6th Ctl, default value: 0x3f */ +#define REG_MHL_DP_CTL5 0x0336 +#define BIT_MHL_DP_CTL5_RSEN_EN_OVR BIT(7) +#define BIT_MHL_DP_CTL5_RSEN_EN BIT(6) +#define MSK_MHL_DP_CTL5_DAMP_TERM_VGS_CTL 0x30 +#define MSK_MHL_DP_CTL5_CK_TERM_VGS_CTL 0x0c +#define MSK_MHL_DP_CTL5_DT_TERM_VGS_CTL 0x03 + +/* MHL PLL 1st Ctl, default value: 0x05 */ +#define REG_MHL_PLL_CTL0 0x0337 +#define BIT_MHL_PLL_CTL0_AUD_CLK_EN BIT(7) + +#define MSK_MHL_PLL_CTL0_AUD_CLK_RATIO 0x70 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_10 0x70 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_6 0x60 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_4 0x50 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_2 0x40 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_5 0x30 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_3 0x20 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_2_PRIME 0x10 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_1 0x00 + +#define MSK_MHL_PLL_CTL0_HDMI_CLK_RATIO 0x0c +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_4X 0x0c +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_2X 0x08 +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X 0x04 +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_HALF_X 0x00 + +#define BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL BIT(1) +#define BIT_MHL_PLL_CTL0_ZONE_MASK_OE BIT(0) + +/* MHL PLL 3rd Ctl, default value: 0x80 */ +#define REG_MHL_PLL_CTL2 0x0339 +#define BIT_MHL_PLL_CTL2_CLKDETECT_EN BIT(7) +#define BIT_MHL_PLL_CTL2_MEAS_FVCO BIT(3) +#define BIT_MHL_PLL_CTL2_PLL_FAST_LOCK BIT(2) +#define MSK_MHL_PLL_CTL2_PLL_LF_SEL 0x03 + +/* MHL CBUS 1st Ctl, default value: 0x12 */ +#define REG_MHL_CBUS_CTL0 0x0340 +#define BIT_MHL_CBUS_CTL0_CBUS_RGND_TEST_MODE BIT(7) + +#define MSK_MHL_CBUS_CTL0_CBUS_RGND_VTH_CTL 0x30 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_734 0x00 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_747 0x10 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_740 0x20 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_754 0x30 + +#define MSK_MHL_CBUS_CTL0_CBUS_RES_TEST_SEL 0x0c + +#define MSK_MHL_CBUS_CTL0_CBUS_DRV_SEL 0x03 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_WEAKEST 0x00 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_WEAK 0x01 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_STRONG 0x02 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_STRONGEST 0x03 + +/* MHL CBUS 2nd Ctl, default value: 0x03 */ +#define REG_MHL_CBUS_CTL1 0x0341 +#define MSK_MHL_CBUS_CTL1_CBUS_RGND_RES_CTL 0x07 +#define VAL_MHL_CBUS_CTL1_0888_OHM 0x00 +#define VAL_MHL_CBUS_CTL1_1115_OHM 0x04 +#define VAL_MHL_CBUS_CTL1_1378_OHM 0x07 + +/* MHL CoC 1st Ctl, default value: 0xc3 */ +#define REG_MHL_COC_CTL0 0x0342 +#define BIT_MHL_COC_CTL0_COC_BIAS_EN BIT(7) +#define MSK_MHL_COC_CTL0_COC_BIAS_CTL 0x70 +#define MSK_MHL_COC_CTL0_COC_TERM_CTL 0x07 + +/* MHL CoC 2nd Ctl, default value: 0x87 */ +#define REG_MHL_COC_CTL1 0x0343 +#define BIT_MHL_COC_CTL1_COC_EN BIT(7) +#define MSK_MHL_COC_CTL1_COC_DRV_CTL 0x3f + +/* MHL CoC 4th Ctl, default value: 0x00 */ +#define REG_MHL_COC_CTL3 0x0345 +#define BIT_MHL_COC_CTL3_COC_AECHO_EN BIT(0) + +/* MHL CoC 5th Ctl, default value: 0x28 */ +#define REG_MHL_COC_CTL4 0x0346 +#define MSK_MHL_COC_CTL4_COC_IF_CTL 0xf0 +#define MSK_MHL_COC_CTL4_COC_SLEW_CTL 0x0f + +/* MHL CoC 6th Ctl, default value: 0x0d */ +#define REG_MHL_COC_CTL5 0x0347 + +/* MHL DoC 1st Ctl, default value: 0x18 */ +#define REG_MHL_DOC_CTL0 0x0349 +#define BIT_MHL_DOC_CTL0_DOC_RXDATA_EN BIT(7) +#define MSK_MHL_DOC_CTL0_DOC_DM_TERM 0x38 +#define MSK_MHL_DOC_CTL0_DOC_OPMODE 0x06 +#define BIT_MHL_DOC_CTL0_DOC_RXBIAS_EN BIT(0) + +/* MHL DataPath 7th Ctl, default value: 0x2a */ +#define REG_MHL_DP_CTL6 0x0350 +#define BIT_MHL_DP_CTL6_DP_TAP2_SGN BIT(5) +#define BIT_MHL_DP_CTL6_DP_TAP2_EN BIT(4) +#define BIT_MHL_DP_CTL6_DP_TAP1_SGN BIT(3) +#define BIT_MHL_DP_CTL6_DP_TAP1_EN BIT(2) +#define BIT_MHL_DP_CTL6_DT_PREDRV_FEEDCAP_EN BIT(1) +#define BIT_MHL_DP_CTL6_DP_PRE_POST_SEL BIT(0) + +/* MHL DataPath 8th Ctl, default value: 0x06 */ +#define REG_MHL_DP_CTL7 0x0351 +#define MSK_MHL_DP_CTL7_DT_DRV_VBIAS_CASCTL 0xf0 +#define MSK_MHL_DP_CTL7_DT_DRV_IREF_CTL 0x0f + +#define REG_MHL_DP_CTL8 0x0352 + +/* Tx Zone Ctl1, default value: 0x00 */ +#define REG_TX_ZONE_CTL1 0x0361 +#define VAL_TX_ZONE_CTL1_TX_ZONE_CTRL_MODE 0x08 + +/* MHL3 Tx Zone Ctl, default value: 0x00 */ +#define REG_MHL3_TX_ZONE_CTL 0x0364 +#define BIT_MHL3_TX_ZONE_CTL_MHL2_INTPLT_ZONE_MANU_EN BIT(7) +#define MSK_MHL3_TX_ZONE_CTL_MHL3_TX_ZONE 0x03 + +#define MSK_TX_ZONE_CTL3_TX_ZONE 0x03 +#define VAL_TX_ZONE_CTL3_TX_ZONE_6GBPS 0x00 +#define VAL_TX_ZONE_CTL3_TX_ZONE_3GBPS 0x01 +#define VAL_TX_ZONE_CTL3_TX_ZONE_1_5GBPS 0x02 + +/* HDCP Polling Control and Status, default value: 0x70 */ +#define REG_HDCP2X_POLL_CS 0x0391 + +#define BIT_HDCP2X_POLL_CS_HDCP2X_MSG_SZ_CLR_OPTION BIT(6) +#define BIT_HDCP2X_POLL_CS_HDCP2X_RPT_READY_CLR_OPTION BIT(5) +#define BIT_HDCP2X_POLL_CS_HDCP2X_REAUTH_REQ_CLR_OPTION BIT(4) +#define MSK_HDCP2X_POLL_CS_ 0x0c +#define BIT_HDCP2X_POLL_CS_HDCP2X_DIS_POLL_GNT BIT(1) +#define BIT_HDCP2X_POLL_CS_HDCP2X_DIS_POLL_EN BIT(0) + +/* HDCP Interrupt 0, default value: 0x00 */ +#define REG_HDCP2X_INTR0 0x0398 + +/* HDCP Interrupt 0 Mask, default value: 0x00 */ +#define REG_HDCP2X_INTR0_MASK 0x0399 + +/* HDCP General Control 0, default value: 0x02 */ +#define REG_HDCP2X_CTRL_0 0x03a0 +#define BIT_HDCP2X_CTRL_0_HDCP2X_ENCRYPT_EN BIT(7) +#define BIT_HDCP2X_CTRL_0_HDCP2X_POLINT_SEL BIT(6) +#define BIT_HDCP2X_CTRL_0_HDCP2X_POLINT_OVR BIT(5) +#define BIT_HDCP2X_CTRL_0_HDCP2X_PRECOMPUTE BIT(4) +#define BIT_HDCP2X_CTRL_0_HDCP2X_HDMIMODE BIT(3) +#define BIT_HDCP2X_CTRL_0_HDCP2X_REPEATER BIT(2) +#define BIT_HDCP2X_CTRL_0_HDCP2X_HDCPTX BIT(1) +#define BIT_HDCP2X_CTRL_0_HDCP2X_EN BIT(0) + +/* HDCP General Control 1, default value: 0x08 */ +#define REG_HDCP2X_CTRL_1 0x03a1 +#define MSK_HDCP2X_CTRL_1_HDCP2X_REAUTH_MSK_3_0 0xf0 +#define BIT_HDCP2X_CTRL_1_HDCP2X_HPD_SW BIT(3) +#define BIT_HDCP2X_CTRL_1_HDCP2X_HPD_OVR BIT(2) +#define BIT_HDCP2X_CTRL_1_HDCP2X_CTL3MSK BIT(1) +#define BIT_HDCP2X_CTRL_1_HDCP2X_REAUTH_SW BIT(0) + +/* HDCP Misc Control, default value: 0x00 */ +#define REG_HDCP2X_MISC_CTRL 0x03a5 +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_SMNG_XFER_START BIT(4) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_SMNG_WR_START BIT(3) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_SMNG_WR BIT(2) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_RCVID_RD_START BIT(1) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_RCVID_RD BIT(0) + +/* HDCP RPT SMNG K, default value: 0x00 */ +#define REG_HDCP2X_RPT_SMNG_K 0x03a6 + +/* HDCP RPT SMNG In, default value: 0x00 */ +#define REG_HDCP2X_RPT_SMNG_IN 0x03a7 + +/* HDCP Auth Status, default value: 0x00 */ +#define REG_HDCP2X_AUTH_STAT 0x03aa + +/* HDCP RPT RCVID Out, default value: 0x00 */ +#define REG_HDCP2X_RPT_RCVID_OUT 0x03ac + +/* HDCP TP1, default value: 0x62 */ +#define REG_HDCP2X_TP1 0x03b4 + +/* HDCP GP Out 0, default value: 0x00 */ +#define REG_HDCP2X_GP_OUT0 0x03c7 + +/* HDCP Repeater RCVR ID 0, default value: 0x00 */ +#define REG_HDCP2X_RPT_RCVR_ID0 0x03d1 + +/* HDCP DDCM Status, default value: 0x00 */ +#define REG_HDCP2X_DDCM_STS 0x03d8 +#define MSK_HDCP2X_DDCM_STS_HDCP2X_DDCM_ERR_STS_3_0 0xf0 +#define MSK_HDCP2X_DDCM_STS_HDCP2X_DDCM_CTL_CS_3_0 0x0f + +/* HDMI2MHL3 Control, default value: 0x0a */ +#define REG_M3_CTRL 0x03e0 +#define BIT_M3_CTRL_H2M_SWRST BIT(4) +#define BIT_M3_CTRL_SW_MHL3_SEL BIT(3) +#define BIT_M3_CTRL_M3AV_EN BIT(2) +#define BIT_M3_CTRL_ENC_TMDS BIT(1) +#define BIT_M3_CTRL_MHL3_MASTER_EN BIT(0) + +#define VAL_M3_CTRL_MHL1_2_VALUE (BIT_M3_CTRL_SW_MHL3_SEL \ + | BIT_M3_CTRL_ENC_TMDS) +#define VAL_M3_CTRL_MHL3_VALUE (BIT_M3_CTRL_SW_MHL3_SEL \ + | BIT_M3_CTRL_M3AV_EN \ + | BIT_M3_CTRL_ENC_TMDS \ + | BIT_M3_CTRL_MHL3_MASTER_EN) + +/* HDMI2MHL3 Port0 Control, default value: 0x04 */ +#define REG_M3_P0CTRL 0x03e1 +#define BIT_M3_P0CTRL_MHL3_P0_HDCP_ENC_EN BIT(4) +#define BIT_M3_P0CTRL_MHL3_P0_UNLIMIT_EN BIT(3) +#define BIT_M3_P0CTRL_MHL3_P0_HDCP_EN BIT(2) +#define BIT_M3_P0CTRL_MHL3_P0_PIXEL_MODE_PACKED BIT(1) +#define BIT_M3_P0CTRL_MHL3_P0_PORT_EN BIT(0) + +#define REG_M3_POSTM 0x03e2 +#define MSK_M3_POSTM_RRP_DECODE 0xf8 +#define MSK_M3_POSTM_MHL3_P0_STM_ID 0x07 + +/* HDMI2MHL3 Scramble Control, default value: 0x41 */ +#define REG_M3_SCTRL 0x03e6 +#define MSK_M3_SCTRL_MHL3_SR_LENGTH 0xf0 +#define BIT_M3_SCTRL_MHL3_SCRAMBLER_EN BIT(0) + +/* HSIC Div Ctl, default value: 0x05 */ +#define REG_DIV_CTL_MAIN 0x03f2 +#define MSK_DIV_CTL_MAIN_PRE_DIV_CTL_MAIN 0x1c +#define MSK_DIV_CTL_MAIN_FB_DIV_CTL_MAIN 0x03 + +/* MHL Capability 1st Byte, default value: 0x00 */ +#define REG_MHL_DEVCAP_0 0x0400 + +/* MHL Interrupt 1st Byte, default value: 0x00 */ +#define REG_MHL_INT_0 0x0420 + +/* Device Status 1st byte, default value: 0x00 */ +#define REG_MHL_STAT_0 0x0430 + +/* CBUS Scratch Pad 1st Byte, default value: 0x00 */ +#define REG_MHL_SCRPAD_0 0x0440 + +/* MHL Extended Capability 1st Byte, default value: 0x00 */ +#define REG_MHL_EXTDEVCAP_0 0x0480 + +/* Device Extended Status 1st byte, default value: 0x00 */ +#define REG_MHL_EXTSTAT_0 0x0490 + +/* TPI DTD Byte2, default value: 0x00 */ +#define REG_TPI_DTD_B2 0x0602 + +#define VAL_TPI_QUAN_RANGE_LIMITED 0x01 +#define VAL_TPI_QUAN_RANGE_FULL 0x02 +#define VAL_TPI_FORMAT_RGB 0x00 +#define VAL_TPI_FORMAT_YCBCR444 0x01 +#define VAL_TPI_FORMAT_YCBCR422 0x02 +#define VAL_TPI_FORMAT_INTERNAL_RGB 0x03 +#define VAL_TPI_FORMAT(_fmt, _qr) \ + (VAL_TPI_FORMAT_##_fmt | (VAL_TPI_QUAN_RANGE_##_qr << 2)) + +/* Input Format, default value: 0x00 */ +#define REG_TPI_INPUT 0x0609 +#define BIT_TPI_INPUT_EXTENDEDBITMODE BIT(7) +#define BIT_TPI_INPUT_ENDITHER BIT(6) +#define MSK_TPI_INPUT_INPUT_QUAN_RANGE 0x0c +#define MSK_TPI_INPUT_INPUT_FORMAT 0x03 + +/* Output Format, default value: 0x00 */ +#define REG_TPI_OUTPUT 0x060a +#define BIT_TPI_OUTPUT_CSCMODE709 BIT(4) +#define MSK_TPI_OUTPUT_OUTPUT_QUAN_RANGE 0x0c +#define MSK_TPI_OUTPUT_OUTPUT_FORMAT 0x03 + +/* TPI AVI Check Sum, default value: 0x00 */ +#define REG_TPI_AVI_CHSUM 0x060c + +/* TPI System Control, default value: 0x00 */ +#define REG_TPI_SC 0x061a +#define BIT_TPI_SC_TPI_UPDATE_FLG BIT(7) +#define BIT_TPI_SC_TPI_REAUTH_CTL BIT(6) +#define BIT_TPI_SC_TPI_OUTPUT_MODE_1 BIT(5) +#define BIT_TPI_SC_REG_TMDS_OE_POWER_DOWN BIT(4) +#define BIT_TPI_SC_TPI_AV_MUTE BIT(3) +#define BIT_TPI_SC_DDC_GPU_REQUEST BIT(2) +#define BIT_TPI_SC_DDC_TPI_SW BIT(1) +#define BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI BIT(0) + +/* TPI COPP Query Data, default value: 0x00 */ +#define REG_TPI_COPP_DATA1 0x0629 +#define BIT_TPI_COPP_DATA1_COPP_GPROT BIT(7) +#define BIT_TPI_COPP_DATA1_COPP_LPROT BIT(6) +#define MSK_TPI_COPP_DATA1_COPP_LINK_STATUS 0x30 +#define VAL_TPI_COPP_LINK_STATUS_NORMAL 0x00 +#define VAL_TPI_COPP_LINK_STATUS_LINK_LOST 0x10 +#define VAL_TPI_COPP_LINK_STATUS_RENEGOTIATION_REQ 0x20 +#define VAL_TPI_COPP_LINK_STATUS_LINK_SUSPENDED 0x30 +#define BIT_TPI_COPP_DATA1_COPP_HDCP_REP BIT(3) +#define BIT_TPI_COPP_DATA1_COPP_CONNTYPE_0 BIT(2) +#define BIT_TPI_COPP_DATA1_COPP_PROTYPE BIT(1) +#define BIT_TPI_COPP_DATA1_COPP_CONNTYPE_1 BIT(0) + +/* TPI COPP Control Data, default value: 0x00 */ +#define REG_TPI_COPP_DATA2 0x062a +#define BIT_TPI_COPP_DATA2_INTR_ENCRYPTION BIT(5) +#define BIT_TPI_COPP_DATA2_KSV_FORWARD BIT(4) +#define BIT_TPI_COPP_DATA2_INTERM_RI_CHECK_EN BIT(3) +#define BIT_TPI_COPP_DATA2_DOUBLE_RI_CHECK BIT(2) +#define BIT_TPI_COPP_DATA2_DDC_SHORT_RI_RD BIT(1) +#define BIT_TPI_COPP_DATA2_COPP_PROTLEVEL BIT(0) + +/* TPI Interrupt Enable, default value: 0x00 */ +#define REG_TPI_INTR_EN 0x063c + +/* TPI Interrupt Status Low Byte, default value: 0x00 */ +#define REG_TPI_INTR_ST0 0x063d +#define BIT_TPI_INTR_ST0_TPI_AUTH_CHNGE_STAT BIT(7) +#define BIT_TPI_INTR_ST0_TPI_V_RDY_STAT BIT(6) +#define BIT_TPI_INTR_ST0_TPI_COPP_CHNGE_STAT BIT(5) +#define BIT_TPI_INTR_ST0_KSV_FIFO_FIRST_STAT BIT(3) +#define BIT_TPI_INTR_ST0_READ_BKSV_BCAPS_DONE_STAT BIT(2) +#define BIT_TPI_INTR_ST0_READ_BKSV_BCAPS_ERR_STAT BIT(1) +#define BIT_TPI_INTR_ST0_READ_BKSV_ERR_STAT BIT(0) + +/* TPI DS BCAPS Status, default value: 0x00 */ +#define REG_TPI_DS_BCAPS 0x0644 + +/* TPI BStatus1, default value: 0x00 */ +#define REG_TPI_BSTATUS1 0x0645 +#define BIT_TPI_BSTATUS1_DS_DEV_EXCEED BIT(7) +#define MSK_TPI_BSTATUS1_DS_DEV_CNT 0x7f + +/* TPI BStatus2, default value: 0x10 */ +#define REG_TPI_BSTATUS2 0x0646 +#define MSK_TPI_BSTATUS2_DS_BSTATUS 0xe0 +#define BIT_TPI_BSTATUS2_DS_HDMI_MODE BIT(4) +#define BIT_TPI_BSTATUS2_DS_CASC_EXCEED BIT(3) +#define MSK_TPI_BSTATUS2_DS_DEPTH 0x07 + +/* TPI HW Optimization Control #3, default value: 0x00 */ +#define REG_TPI_HW_OPT3 0x06bb +#define BIT_TPI_HW_OPT3_DDC_DEBUG BIT(7) +#define BIT_TPI_HW_OPT3_RI_CHECK_SKIP BIT(3) +#define BIT_TPI_HW_OPT3_TPI_DDC_BURST_MODE BIT(2) +#define MSK_TPI_HW_OPT3_TPI_DDC_REQ_LEVEL 0x03 + +/* TPI Info Frame Select, default value: 0x00 */ +#define REG_TPI_INFO_FSEL 0x06bf +#define BIT_TPI_INFO_FSEL_EN BIT(7) +#define BIT_TPI_INFO_FSEL_RPT BIT(6) +#define BIT_TPI_INFO_FSEL_READ_FLAG BIT(5) +#define MSK_TPI_INFO_FSEL_PKT 0x07 +#define VAL_TPI_INFO_FSEL_AVI 0x00 +#define VAL_TPI_INFO_FSEL_SPD 0x01 +#define VAL_TPI_INFO_FSEL_AUD 0x02 +#define VAL_TPI_INFO_FSEL_MPG 0x03 +#define VAL_TPI_INFO_FSEL_GEN 0x04 +#define VAL_TPI_INFO_FSEL_GEN2 0x05 +#define VAL_TPI_INFO_FSEL_VSI 0x06 + +/* TPI Info Byte #0, default value: 0x00 */ +#define REG_TPI_INFO_B0 0x06c0 + +/* CoC Status, default value: 0x00 */ +#define REG_COC_STAT_0 0x0700 +#define BIT_COC_STAT_0_PLL_LOCKED BIT(7) +#define MSK_COC_STAT_0_FSM_STATE 0x0f + +#define REG_COC_STAT_1 0x0701 +#define REG_COC_STAT_2 0x0702 +#define REG_COC_STAT_3 0x0703 +#define REG_COC_STAT_4 0x0704 +#define REG_COC_STAT_5 0x0705 + +/* CoC 1st Ctl, default value: 0x40 */ +#define REG_COC_CTL0 0x0710 + +/* CoC 2nd Ctl, default value: 0x0a */ +#define REG_COC_CTL1 0x0711 +#define MSK_COC_CTL1_COC_CTRL1_7_6 0xc0 +#define MSK_COC_CTL1_COC_CTRL1_5_0 0x3f + +/* CoC 3rd Ctl, default value: 0x14 */ +#define REG_COC_CTL2 0x0712 +#define MSK_COC_CTL2_COC_CTRL2_7_6 0xc0 +#define MSK_COC_CTL2_COC_CTRL2_5_0 0x3f + +/* CoC 4th Ctl, default value: 0x40 */ +#define REG_COC_CTL3 0x0713 +#define BIT_COC_CTL3_COC_CTRL3_7 BIT(7) +#define MSK_COC_CTL3_COC_CTRL3_6_0 0x7f + +/* CoC 7th Ctl, default value: 0x00 */ +#define REG_COC_CTL6 0x0716 +#define BIT_COC_CTL6_COC_CTRL6_7 BIT(7) +#define BIT_COC_CTL6_COC_CTRL6_6 BIT(6) +#define MSK_COC_CTL6_COC_CTRL6_5_0 0x3f + +/* CoC 8th Ctl, default value: 0x06 */ +#define REG_COC_CTL7 0x0717 +#define BIT_COC_CTL7_COC_CTRL7_7 BIT(7) +#define BIT_COC_CTL7_COC_CTRL7_6 BIT(6) +#define BIT_COC_CTL7_COC_CTRL7_5 BIT(5) +#define MSK_COC_CTL7_COC_CTRL7_4_3 0x18 +#define MSK_COC_CTL7_COC_CTRL7_2_0 0x07 + +/* CoC 10th Ctl, default value: 0x00 */ +#define REG_COC_CTL9 0x0719 + +/* CoC 11th Ctl, default value: 0x00 */ +#define REG_COC_CTLA 0x071a + +/* CoC 12th Ctl, default value: 0x00 */ +#define REG_COC_CTLB 0x071b + +/* CoC 13th Ctl, default value: 0x0f */ +#define REG_COC_CTLC 0x071c + +/* CoC 14th Ctl, default value: 0x0a */ +#define REG_COC_CTLD 0x071d +#define BIT_COC_CTLD_COC_CTRLD_7 BIT(7) +#define MSK_COC_CTLD_COC_CTRLD_6_0 0x7f + +/* CoC 15th Ctl, default value: 0x0a */ +#define REG_COC_CTLE 0x071e +#define BIT_COC_CTLE_COC_CTRLE_7 BIT(7) +#define MSK_COC_CTLE_COC_CTRLE_6_0 0x7f + +/* CoC 16th Ctl, default value: 0x00 */ +#define REG_COC_CTLF 0x071f +#define MSK_COC_CTLF_COC_CTRLF_7_3 0xf8 +#define MSK_COC_CTLF_COC_CTRLF_2_0 0x07 + +/* CoC 18th Ctl, default value: 0x32 */ +#define REG_COC_CTL11 0x0721 +#define MSK_COC_CTL11_COC_CTRL11_7_4 0xf0 +#define MSK_COC_CTL11_COC_CTRL11_3_0 0x0f + +/* CoC 21st Ctl, default value: 0x00 */ +#define REG_COC_CTL14 0x0724 +#define MSK_COC_CTL14_COC_CTRL14_7_4 0xf0 +#define MSK_COC_CTL14_COC_CTRL14_3_0 0x0f + +/* CoC 22nd Ctl, default value: 0x00 */ +#define REG_COC_CTL15 0x0725 +#define BIT_COC_CTL15_COC_CTRL15_7 BIT(7) +#define MSK_COC_CTL15_COC_CTRL15_6_4 0x70 +#define MSK_COC_CTL15_COC_CTRL15_3_0 0x0f + +/* CoC Interrupt, default value: 0x00 */ +#define REG_COC_INTR 0x0726 + +/* CoC Interrupt Mask, default value: 0x00 */ +#define REG_COC_INTR_MASK 0x0727 +#define BIT_COC_PLL_LOCK_STATUS_CHANGE BIT(0) +#define BIT_COC_CALIBRATION_DONE BIT(1) + +/* CoC Misc Ctl, default value: 0x00 */ +#define REG_COC_MISC_CTL0 0x0728 +#define BIT_COC_MISC_CTL0_FSM_MON BIT(7) + +/* CoC 24th Ctl, default value: 0x00 */ +#define REG_COC_CTL17 0x072a +#define MSK_COC_CTL17_COC_CTRL17_7_4 0xf0 +#define MSK_COC_CTL17_COC_CTRL17_3_0 0x0f + +/* CoC 25th Ctl, default value: 0x00 */ +#define REG_COC_CTL18 0x072b +#define MSK_COC_CTL18_COC_CTRL18_7_4 0xf0 +#define MSK_COC_CTL18_COC_CTRL18_3_0 0x0f + +/* CoC 26th Ctl, default value: 0x00 */ +#define REG_COC_CTL19 0x072c +#define MSK_COC_CTL19_COC_CTRL19_7_4 0xf0 +#define MSK_COC_CTL19_COC_CTRL19_3_0 0x0f + +/* CoC 27th Ctl, default value: 0x00 */ +#define REG_COC_CTL1A 0x072d +#define MSK_COC_CTL1A_COC_CTRL1A_7_2 0xfc +#define MSK_COC_CTL1A_COC_CTRL1A_1_0 0x03 + +/* DoC 9th Status, default value: 0x00 */ +#define REG_DOC_STAT_8 0x0740 + +/* DoC 10th Status, default value: 0x00 */ +#define REG_DOC_STAT_9 0x0741 + +/* DoC 5th CFG, default value: 0x00 */ +#define REG_DOC_CFG4 0x074e +#define MSK_DOC_CFG4_DBG_STATE_DOC_FSM 0x0f + +/* DoC 1st Ctl, default value: 0x40 */ +#define REG_DOC_CTL0 0x0751 + +/* DoC 7th Ctl, default value: 0x00 */ +#define REG_DOC_CTL6 0x0757 +#define BIT_DOC_CTL6_DOC_CTRL6_7 BIT(7) +#define BIT_DOC_CTL6_DOC_CTRL6_6 BIT(6) +#define MSK_DOC_CTL6_DOC_CTRL6_5_4 0x30 +#define MSK_DOC_CTL6_DOC_CTRL6_3_0 0x0f + +/* DoC 8th Ctl, default value: 0x00 */ +#define REG_DOC_CTL7 0x0758 +#define BIT_DOC_CTL7_DOC_CTRL7_7 BIT(7) +#define BIT_DOC_CTL7_DOC_CTRL7_6 BIT(6) +#define BIT_DOC_CTL7_DOC_CTRL7_5 BIT(5) +#define MSK_DOC_CTL7_DOC_CTRL7_4_3 0x18 +#define MSK_DOC_CTL7_DOC_CTRL7_2_0 0x07 + +/* DoC 9th Ctl, default value: 0x00 */ +#define REG_DOC_CTL8 0x076c +#define BIT_DOC_CTL8_DOC_CTRL8_7 BIT(7) +#define MSK_DOC_CTL8_DOC_CTRL8_6_4 0x70 +#define MSK_DOC_CTL8_DOC_CTRL8_3_2 0x0c +#define MSK_DOC_CTL8_DOC_CTRL8_1_0 0x03 + +/* DoC 10th Ctl, default value: 0x00 */ +#define REG_DOC_CTL9 0x076d + +/* DoC 11th Ctl, default value: 0x00 */ +#define REG_DOC_CTLA 0x076e + +/* DoC 15th Ctl, default value: 0x00 */ +#define REG_DOC_CTLE 0x0772 +#define BIT_DOC_CTLE_DOC_CTRLE_7 BIT(7) +#define BIT_DOC_CTLE_DOC_CTRLE_6 BIT(6) +#define MSK_DOC_CTLE_DOC_CTRLE_5_4 0x30 +#define MSK_DOC_CTLE_DOC_CTRLE_3_0 0x0f + +/* Interrupt Mask 1st, default value: 0x00 */ +#define REG_MHL_INT_0_MASK 0x0580 + +/* Interrupt Mask 2nd, default value: 0x00 */ +#define REG_MHL_INT_1_MASK 0x0581 + +/* Interrupt Mask 3rd, default value: 0x00 */ +#define REG_MHL_INT_2_MASK 0x0582 + +/* Interrupt Mask 4th, default value: 0x00 */ +#define REG_MHL_INT_3_MASK 0x0583 + +/* MDT Receive Time Out, default value: 0x00 */ +#define REG_MDT_RCV_TIMEOUT 0x0584 + +/* MDT Transmit Time Out, default value: 0x00 */ +#define REG_MDT_XMIT_TIMEOUT 0x0585 + +/* MDT Receive Control, default value: 0x00 */ +#define REG_MDT_RCV_CTRL 0x0586 +#define BIT_MDT_RCV_CTRL_MDT_RCV_EN BIT(7) +#define BIT_MDT_RCV_CTRL_MDT_DELAY_RCV_EN BIT(6) +#define BIT_MDT_RCV_CTRL_MDT_RFIFO_OVER_WR_EN BIT(4) +#define BIT_MDT_RCV_CTRL_MDT_XFIFO_OVER_WR_EN BIT(3) +#define BIT_MDT_RCV_CTRL_MDT_DISABLE BIT(2) +#define BIT_MDT_RCV_CTRL_MDT_RFIFO_CLR_ALL BIT(1) +#define BIT_MDT_RCV_CTRL_MDT_RFIFO_CLR_CUR BIT(0) + +/* MDT Receive Read Port, default value: 0x00 */ +#define REG_MDT_RCV_READ_PORT 0x0587 + +/* MDT Transmit Control, default value: 0x70 */ +#define REG_MDT_XMIT_CTRL 0x0588 +#define BIT_MDT_XMIT_CTRL_EN BIT(7) +#define BIT_MDT_XMIT_CTRL_CMD_MERGE_EN BIT(6) +#define BIT_MDT_XMIT_CTRL_FIXED_BURST_LEN BIT(5) +#define BIT_MDT_XMIT_CTRL_FIXED_AID BIT(4) +#define BIT_MDT_XMIT_CTRL_SINGLE_RUN_EN BIT(3) +#define BIT_MDT_XMIT_CTRL_CLR_ABORT_WAIT BIT(2) +#define BIT_MDT_XMIT_CTRL_XFIFO_CLR_ALL BIT(1) +#define BIT_MDT_XMIT_CTRL_XFIFO_CLR_CUR BIT(0) + +/* MDT Receive WRITE Port, default value: 0x00 */ +#define REG_MDT_XMIT_WRITE_PORT 0x0589 + +/* MDT RFIFO Status, default value: 0x00 */ +#define REG_MDT_RFIFO_STAT 0x058a +#define MSK_MDT_RFIFO_STAT_MDT_RFIFO_CNT 0xe0 +#define MSK_MDT_RFIFO_STAT_MDT_RFIFO_CUR_BYTE_CNT 0x1f + +/* MDT XFIFO Status, default value: 0x80 */ +#define REG_MDT_XFIFO_STAT 0x058b +#define MSK_MDT_XFIFO_STAT_MDT_XFIFO_LEVEL_AVAIL 0xe0 +#define BIT_MDT_XFIFO_STAT_MDT_XMIT_PRE_HS_EN BIT(4) +#define MSK_MDT_XFIFO_STAT_MDT_WRITE_BURST_LEN 0x0f + +/* MDT Interrupt 0, default value: 0x0c */ +#define REG_MDT_INT_0 0x058c +#define BIT_MDT_RFIFO_DATA_RDY BIT(0) +#define BIT_MDT_IDLE_AFTER_HAWB_DISABLE BIT(2) +#define BIT_MDT_XFIFO_EMPTY BIT(3) + +/* MDT Interrupt 0 Mask, default value: 0x00 */ +#define REG_MDT_INT_0_MASK 0x058d + +/* MDT Interrupt 1, default value: 0x00 */ +#define REG_MDT_INT_1 0x058e +#define BIT_MDT_RCV_TIMEOUT BIT(0) +#define BIT_MDT_RCV_SM_ABORT_PKT_RCVD BIT(1) +#define BIT_MDT_RCV_SM_ERROR BIT(2) +#define BIT_MDT_XMIT_TIMEOUT BIT(5) +#define BIT_MDT_XMIT_SM_ABORT_PKT_RCVD BIT(6) +#define BIT_MDT_XMIT_SM_ERROR BIT(7) + +/* MDT Interrupt 1 Mask, default value: 0x00 */ +#define REG_MDT_INT_1_MASK 0x058f + +/* CBUS Vendor ID, default value: 0x01 */ +#define REG_CBUS_VENDOR_ID 0x0590 + +/* CBUS Connection Status, default value: 0x00 */ +#define REG_CBUS_STATUS 0x0591 +#define BIT_CBUS_STATUS_MHL_CABLE_PRESENT BIT(4) +#define BIT_CBUS_STATUS_MSC_HB_SUCCESS BIT(3) +#define BIT_CBUS_STATUS_CBUS_HPD BIT(2) +#define BIT_CBUS_STATUS_MHL_MODE BIT(1) +#define BIT_CBUS_STATUS_CBUS_CONNECTED BIT(0) + +/* CBUS Interrupt 1st, default value: 0x00 */ +#define REG_CBUS_INT_0 0x0592 +#define BIT_CBUS_MSC_MT_DONE_NACK BIT(7) +#define BIT_CBUS_MSC_MR_SET_INT BIT(6) +#define BIT_CBUS_MSC_MR_WRITE_BURST BIT(5) +#define BIT_CBUS_MSC_MR_MSC_MSG BIT(4) +#define BIT_CBUS_MSC_MR_WRITE_STAT BIT(3) +#define BIT_CBUS_HPD_CHG BIT(2) +#define BIT_CBUS_MSC_MT_DONE BIT(1) +#define BIT_CBUS_CNX_CHG BIT(0) + +/* CBUS Interrupt Mask 1st, default value: 0x00 */ +#define REG_CBUS_INT_0_MASK 0x0593 + +/* CBUS Interrupt 2nd, default value: 0x00 */ +#define REG_CBUS_INT_1 0x0594 +#define BIT_CBUS_CMD_ABORT BIT(6) +#define BIT_CBUS_MSC_ABORT_RCVD BIT(3) +#define BIT_CBUS_DDC_ABORT BIT(2) +#define BIT_CBUS_CEC_ABORT BIT(1) + +/* CBUS Interrupt Mask 2nd, default value: 0x00 */ +#define REG_CBUS_INT_1_MASK 0x0595 + +/* CBUS DDC Abort Interrupt, default value: 0x00 */ +#define REG_DDC_ABORT_INT 0x0598 + +/* CBUS DDC Abort Interrupt Mask, default value: 0x00 */ +#define REG_DDC_ABORT_INT_MASK 0x0599 + +/* CBUS MSC Requester Abort Interrupt, default value: 0x00 */ +#define REG_MSC_MT_ABORT_INT 0x059a + +/* CBUS MSC Requester Abort Interrupt Mask, default value: 0x00 */ +#define REG_MSC_MT_ABORT_INT_MASK 0x059b + +/* CBUS MSC Responder Abort Interrupt, default value: 0x00 */ +#define REG_MSC_MR_ABORT_INT 0x059c + +/* CBUS MSC Responder Abort Interrupt Mask, default value: 0x00 */ +#define REG_MSC_MR_ABORT_INT_MASK 0x059d + +/* CBUS RX DISCOVERY interrupt, default value: 0x00 */ +#define REG_CBUS_RX_DISC_INT0 0x059e + +/* CBUS RX DISCOVERY Interrupt Mask, default value: 0x00 */ +#define REG_CBUS_RX_DISC_INT0_MASK 0x059f + +/* CBUS_Link_Layer Control #8, default value: 0x00 */ +#define REG_CBUS_LINK_CTRL_8 0x05a7 + +/* MDT State Machine Status, default value: 0x00 */ +#define REG_MDT_SM_STAT 0x05b5 +#define MSK_MDT_SM_STAT_MDT_RCV_STATE 0xf0 +#define MSK_MDT_SM_STAT_MDT_XMIT_STATE 0x0f + +/* CBUS MSC command trigger, default value: 0x00 */ +#define REG_MSC_COMMAND_START 0x05b8 +#define BIT_MSC_COMMAND_START_DEBUG BIT(5) +#define BIT_MSC_COMMAND_START_WRITE_BURST BIT(4) +#define BIT_MSC_COMMAND_START_WRITE_STAT BIT(3) +#define BIT_MSC_COMMAND_START_READ_DEVCAP BIT(2) +#define BIT_MSC_COMMAND_START_MSC_MSG BIT(1) +#define BIT_MSC_COMMAND_START_PEER BIT(0) + +/* CBUS MSC Command/Offset, default value: 0x00 */ +#define REG_MSC_CMD_OR_OFFSET 0x05b9 + +/* CBUS MSC Transmit Data */ +#define REG_MSC_1ST_TRANSMIT_DATA 0x05ba +#define REG_MSC_2ND_TRANSMIT_DATA 0x05bb + +/* CBUS MSC Requester Received Data */ +#define REG_MSC_MT_RCVD_DATA0 0x05bc +#define REG_MSC_MT_RCVD_DATA1 0x05bd + +/* CBUS MSC Responder MSC_MSG Received Data */ +#define REG_MSC_MR_MSC_MSG_RCVD_1ST_DATA 0x05bf +#define REG_MSC_MR_MSC_MSG_RCVD_2ND_DATA 0x05c0 + +/* CBUS MSC Heartbeat Control, default value: 0x27 */ +#define REG_MSC_HEARTBEAT_CTRL 0x05c4 +#define BIT_MSC_HEARTBEAT_CTRL_MSC_HB_EN BIT(7) +#define MSK_MSC_HEARTBEAT_CTRL_MSC_HB_FAIL_LIMIT 0x70 +#define MSK_MSC_HEARTBEAT_CTRL_MSC_HB_PERIOD_MSB 0x0f + +/* CBUS MSC Compatibility Control, default value: 0x02 */ +#define REG_CBUS_MSC_COMPAT_CTRL 0x05c7 +#define BIT_CBUS_MSC_COMPAT_CTRL_XDEVCAP_EN BIT(7) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_MSC_ON_CBUS BIT(6) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_DDC_ON_CBUS BIT(5) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_GET_DDC_ERRORCODE BIT(3) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_GET_VS1_ERRORCODE BIT(2) + +/* CBUS3 Converter Control, default value: 0x24 */ +#define REG_CBUS3_CNVT 0x05dc +#define MSK_CBUS3_CNVT_CBUS3_RETRYLMT 0xf0 +#define MSK_CBUS3_CNVT_CBUS3_PEERTOUT_SEL 0x0c +#define BIT_CBUS3_CNVT_TEARCBUS_EN BIT(1) +#define BIT_CBUS3_CNVT_CBUS3CNVT_EN BIT(0) + +/* Discovery Control1, default value: 0x24 */ +#define REG_DISC_CTRL1 0x05e0 +#define BIT_DISC_CTRL1_CBUS_INTR_EN BIT(7) +#define BIT_DISC_CTRL1_HB_ONLY BIT(6) +#define MSK_DISC_CTRL1_DISC_ATT 0x30 +#define MSK_DISC_CTRL1_DISC_CYC 0x0c +#define BIT_DISC_CTRL1_DISC_EN BIT(0) + +#define VAL_PUP_OFF 0 +#define VAL_PUP_20K 1 +#define VAL_PUP_5K 2 + +/* Discovery Control4, default value: 0x80 */ +#define REG_DISC_CTRL4 0x05e3 +#define MSK_DISC_CTRL4_CBUSDISC_PUP_SEL 0xc0 +#define MSK_DISC_CTRL4_CBUSIDLE_PUP_SEL 0x30 +#define VAL_DISC_CTRL4(pup_disc, pup_idle) (((pup_disc) << 6) | (pup_idle << 4)) + +/* Discovery Control5, default value: 0x03 */ +#define REG_DISC_CTRL5 0x05e4 +#define BIT_DISC_CTRL5_DSM_OVRIDE BIT(3) +#define MSK_DISC_CTRL5_CBUSMHL_PUP_SEL 0x03 + +/* Discovery Control8, default value: 0x81 */ +#define REG_DISC_CTRL8 0x05e7 +#define BIT_DISC_CTRL8_NOMHLINT_CLR_BYPASS BIT(7) +#define BIT_DISC_CTRL8_DELAY_CBUS_INTR_EN BIT(0) + +/* Discovery Control9, default value: 0x54 */ +#define REG_DISC_CTRL9 0x05e8 +#define BIT_DISC_CTRL9_MHL3_RSEN_BYP BIT(7) +#define BIT_DISC_CTRL9_MHL3DISC_EN BIT(6) +#define BIT_DISC_CTRL9_WAKE_DRVFLT BIT(4) +#define BIT_DISC_CTRL9_NOMHL_EST BIT(3) +#define BIT_DISC_CTRL9_DISC_PULSE_PROCEED BIT(2) +#define BIT_DISC_CTRL9_WAKE_PULSE_BYPASS BIT(1) +#define BIT_DISC_CTRL9_VBUS_OUTPUT_CAPABILITY_SRC BIT(0) + +/* Discovery Status1, default value: 0x00 */ +#define REG_DISC_STAT1 0x05eb +#define BIT_DISC_STAT1_PSM_OVRIDE BIT(5) +#define MSK_DISC_STAT1_DISC_SM 0x0f + +/* Discovery Status2, default value: 0x00 */ +#define REG_DISC_STAT2 0x05ec +#define BIT_DISC_STAT2_CBUS_OE_POL BIT(6) +#define BIT_DISC_STAT2_CBUS_SATUS BIT(5) +#define BIT_DISC_STAT2_RSEN BIT(4) + +#define MSK_DISC_STAT2_MHL_VRSN 0x0c +#define VAL_DISC_STAT2_DEFAULT 0x00 +#define VAL_DISC_STAT2_MHL1_2 0x04 +#define VAL_DISC_STAT2_MHL3 0x08 +#define VAL_DISC_STAT2_RESERVED 0x0c + +#define MSK_DISC_STAT2_RGND 0x03 +#define VAL_RGND_OPEN 0x00 +#define VAL_RGND_2K 0x01 +#define VAL_RGND_1K 0x02 +#define VAL_RGND_SHORT 0x03 + +/* Interrupt CBUS_reg1 INTR0, default value: 0x00 */ +#define REG_CBUS_DISC_INTR0 0x05ed +#define BIT_RGND_READY_INT BIT(6) +#define BIT_CBUS_MHL12_DISCON_INT BIT(5) +#define BIT_CBUS_MHL3_DISCON_INT BIT(4) +#define BIT_NOT_MHL_EST_INT BIT(3) +#define BIT_MHL_EST_INT BIT(2) +#define BIT_MHL3_EST_INT BIT(1) +#define VAL_CBUS_MHL_DISCON (BIT_CBUS_MHL12_DISCON_INT \ + | BIT_CBUS_MHL3_DISCON_INT \ + | BIT_NOT_MHL_EST_INT) + +/* Interrupt CBUS_reg1 INTR0 Mask, default value: 0x00 */ +#define REG_CBUS_DISC_INTR0_MASK 0x05ee + +#endif /* __SIL_SII8620_H__ */ diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 44d476ea6d2e..de9ffb49e9f6 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -908,7 +908,7 @@ static int tc_main_link_setup(struct tc_data *tc) goto err_dpcd_read; if (tmp[0] != tc->assr) { - dev_warn(dev, "Failed to switch display ASSR to %d, falling back to unscrambled mode\n", + dev_dbg(dev, "Failed to switch display ASSR to %d, falling back to unscrambled mode\n", tc->assr); /* trying with disabled scrambler */ tc->link.scrambler_dis = 1; @@ -1038,12 +1038,6 @@ err: return ret; } -static enum drm_connector_status -tc_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void tc_bridge_pre_enable(struct drm_bridge *bridge) { struct tc_data *tc = bridge_to_tc(bridge); @@ -1168,7 +1162,6 @@ static const struct drm_connector_helper_funcs tc_connector_helper_funcs = { static const struct drm_connector_funcs tc_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = tc_connector_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c new file mode 100644 index 000000000000..b054ea349952 --- /dev/null +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -0,0 +1,317 @@ +/* + * Copyright (C) 2016 Texas Instruments + * Author: Jyri Sarha <jsarha@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/of_graph.h> +#include <linux/platform_device.h> +#include <linux/i2c.h> + +#include <drm/drmP.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> + +struct tfp410 { + struct drm_bridge bridge; + struct drm_connector connector; + + struct i2c_adapter *ddc; + + struct device *dev; +}; + +static inline struct tfp410 * +drm_bridge_to_tfp410(struct drm_bridge *bridge) +{ + return container_of(bridge, struct tfp410, bridge); +} + +static inline struct tfp410 * +drm_connector_to_tfp410(struct drm_connector *connector) +{ + return container_of(connector, struct tfp410, connector); +} + +static int tfp410_get_modes(struct drm_connector *connector) +{ + struct tfp410 *dvi = drm_connector_to_tfp410(connector); + struct edid *edid; + int ret; + + if (!dvi->ddc) + goto fallback; + + edid = drm_get_edid(connector, dvi->ddc); + if (!edid) { + DRM_INFO("EDID read failed. Fallback to standard modes\n"); + goto fallback; + } + + drm_mode_connector_update_edid_property(connector, edid); + + return drm_add_edid_modes(connector, edid); +fallback: + /* No EDID, fallback on the XGA standard modes */ + ret = drm_add_modes_noedid(connector, 1920, 1200); + + /* And prefer a mode pretty much anything can handle */ + drm_set_preferred_mode(connector, 1024, 768); + + return ret; +} + +static const struct drm_connector_helper_funcs tfp410_con_helper_funcs = { + .get_modes = tfp410_get_modes, +}; + +static enum drm_connector_status +tfp410_connector_detect(struct drm_connector *connector, bool force) +{ + struct tfp410 *dvi = drm_connector_to_tfp410(connector); + + if (dvi->ddc) { + if (drm_probe_ddc(dvi->ddc)) + return connector_status_connected; + else + return connector_status_disconnected; + } + + return connector_status_unknown; +} + +static const struct drm_connector_funcs tfp410_con_funcs = { + .dpms = drm_atomic_helper_connector_dpms, + .detect = tfp410_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = drm_connector_cleanup, + .reset = drm_atomic_helper_connector_reset, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + +static int tfp410_attach(struct drm_bridge *bridge) +{ + struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); + int ret; + + if (!bridge->encoder) { + dev_err(dvi->dev, "Missing encoder\n"); + return -ENODEV; + } + + drm_connector_helper_add(&dvi->connector, + &tfp410_con_helper_funcs); + ret = drm_connector_init(bridge->dev, &dvi->connector, + &tfp410_con_funcs, DRM_MODE_CONNECTOR_HDMIA); + if (ret) { + dev_err(dvi->dev, "drm_connector_init() failed: %d\n", ret); + return ret; + } + + drm_mode_connector_attach_encoder(&dvi->connector, + bridge->encoder); + + return 0; +} + +static const struct drm_bridge_funcs tfp410_bridge_funcs = { + .attach = tfp410_attach, +}; + +static int tfp410_get_connector_ddc(struct tfp410 *dvi) +{ + struct device_node *ep = NULL, *connector_node = NULL; + struct device_node *ddc_phandle = NULL; + int ret = 0; + + /* port@1 is the connector node */ + ep = of_graph_get_endpoint_by_regs(dvi->dev->of_node, 1, -1); + if (!ep) + goto fail; + + connector_node = of_graph_get_remote_port_parent(ep); + if (!connector_node) + goto fail; + + ddc_phandle = of_parse_phandle(connector_node, "ddc-i2c-bus", 0); + if (!ddc_phandle) + goto fail; + + dvi->ddc = of_get_i2c_adapter_by_node(ddc_phandle); + if (dvi->ddc) + dev_info(dvi->dev, "Connector's ddc i2c bus found\n"); + else + ret = -EPROBE_DEFER; + +fail: + of_node_put(ep); + of_node_put(connector_node); + of_node_put(ddc_phandle); + return ret; +} + +static int tfp410_init(struct device *dev) +{ + struct tfp410 *dvi; + int ret; + + if (!dev->of_node) { + dev_err(dev, "device-tree data is missing\n"); + return -ENXIO; + } + + dvi = devm_kzalloc(dev, sizeof(*dvi), GFP_KERNEL); + if (!dvi) + return -ENOMEM; + dev_set_drvdata(dev, dvi); + + dvi->bridge.funcs = &tfp410_bridge_funcs; + dvi->bridge.of_node = dev->of_node; + dvi->dev = dev; + + ret = tfp410_get_connector_ddc(dvi); + if (ret) + goto fail; + + ret = drm_bridge_add(&dvi->bridge); + if (ret) { + dev_err(dev, "drm_bridge_add() failed: %d\n", ret); + goto fail; + } + + return 0; +fail: + i2c_put_adapter(dvi->ddc); + return ret; +} + +static int tfp410_fini(struct device *dev) +{ + struct tfp410 *dvi = dev_get_drvdata(dev); + + drm_bridge_remove(&dvi->bridge); + + if (dvi->ddc) + i2c_put_adapter(dvi->ddc); + + return 0; +} + +static int tfp410_probe(struct platform_device *pdev) +{ + return tfp410_init(&pdev->dev); +} + +static int tfp410_remove(struct platform_device *pdev) +{ + return tfp410_fini(&pdev->dev); +} + +static const struct of_device_id tfp410_match[] = { + { .compatible = "ti,tfp410" }, + {}, +}; +MODULE_DEVICE_TABLE(of, tfp410_match); + +struct platform_driver tfp410_platform_driver = { + .probe = tfp410_probe, + .remove = tfp410_remove, + .driver = { + .name = "tfp410-bridge", + .of_match_table = tfp410_match, + }, +}; + +#if IS_ENABLED(CONFIG_I2C) +/* There is currently no i2c functionality. */ +static int tfp410_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int reg; + + if (!client->dev.of_node || + of_property_read_u32(client->dev.of_node, "reg", ®)) { + dev_err(&client->dev, + "Can't get i2c reg property from device-tree\n"); + return -ENXIO; + } + + return tfp410_init(&client->dev); +} + +static int tfp410_i2c_remove(struct i2c_client *client) +{ + return tfp410_fini(&client->dev); +} + +static const struct i2c_device_id tfp410_i2c_ids[] = { + { "tfp410", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tfp410_i2c_ids); + +static struct i2c_driver tfp410_i2c_driver = { + .driver = { + .name = "tfp410", + .of_match_table = of_match_ptr(tfp410_match), + }, + .id_table = tfp410_i2c_ids, + .probe = tfp410_i2c_probe, + .remove = tfp410_i2c_remove, +}; +#endif /* IS_ENABLED(CONFIG_I2C) */ + +static struct { + uint i2c:1; + uint platform:1; +} tfp410_registered_driver; + +static int __init tfp410_module_init(void) +{ + int ret; + +#if IS_ENABLED(CONFIG_I2C) + ret = i2c_add_driver(&tfp410_i2c_driver); + if (ret) + pr_err("%s: registering i2c driver failed: %d", + __func__, ret); + else + tfp410_registered_driver.i2c = 1; +#endif + + ret = platform_driver_register(&tfp410_platform_driver); + if (ret) + pr_err("%s: registering platform driver failed: %d", + __func__, ret); + else + tfp410_registered_driver.platform = 1; + + if (tfp410_registered_driver.i2c || + tfp410_registered_driver.platform) + return 0; + + return ret; +} +module_init(tfp410_module_init); + +static void __exit tfp410_module_exit(void) +{ +#if IS_ENABLED(CONFIG_I2C) + if (tfp410_registered_driver.i2c) + i2c_del_driver(&tfp410_i2c_driver); +#endif + if (tfp410_registered_driver.platform) + platform_driver_unregister(&tfp410_platform_driver); +} +module_exit(tfp410_module_exit); + +MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>"); +MODULE_DESCRIPTION("TI TFP410 DVI bridge driver"); +MODULE_LICENSE("GPL"); |
