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-rw-r--r--drivers/gpu/drm/bridge/adv7511/Kconfig7
-rw-r--r--drivers/gpu/drm/bridge/adv7511/Makefile1
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511.h71
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_drv.c100
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7533.c100
5 files changed, 230 insertions, 49 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig
index 222c6cc9600c..eb844199d148 100644
--- a/drivers/gpu/drm/bridge/adv7511/Kconfig
+++ b/drivers/gpu/drm/bridge/adv7511/Kconfig
@@ -5,3 +5,10 @@ config DRM_I2C_ADV7511
select REGMAP_I2C
help
Support for the Analog Device ADV7511(W) and ADV7513 HDMI encoders.
+
+config DRM_I2C_ADV7533
+ bool "ADV7533 encoder"
+ depends on DRM_I2C_ADV7511
+ default y
+ help
+ Support for the Analog Devices ADV7533 DSI to HDMI encoder.
diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile
index 692f83a07b64..9019327fff4c 100644
--- a/drivers/gpu/drm/bridge/adv7511/Makefile
+++ b/drivers/gpu/drm/bridge/adv7511/Makefile
@@ -1,2 +1,3 @@
adv7511-y := adv7511_drv.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 38515b30cedf..5dea769c3c71 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
@@ -10,6 +10,10 @@
#define __DRM_I2C_ADV7511_H__
#include <linux/hdmi.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+
+#include <drm/drm_crtc_helper.h>
#define ADV7511_REG_CHIP_REVISION 0x00
#define ADV7511_REG_N0 0x01
@@ -286,4 +290,71 @@ struct adv7511_video_config {
struct hdmi_avi_infoframe avi_infoframe;
};
+enum adv7511_type {
+ ADV7511,
+ ADV7533,
+};
+
+struct adv7511 {
+ struct i2c_client *i2c_main;
+ struct i2c_client *i2c_edid;
+ struct i2c_client *i2c_cec;
+
+ struct regmap *regmap;
+ struct regmap *regmap_cec;
+ enum drm_connector_status status;
+ bool powered;
+
+ unsigned int f_tmds;
+
+ unsigned int current_edid_segment;
+ uint8_t edid_buf[256];
+ bool edid_read;
+
+ wait_queue_head_t wq;
+ struct drm_bridge bridge;
+ struct drm_connector connector;
+
+ bool embedded_sync;
+ enum adv7511_sync_polarity vsync_polarity;
+ enum adv7511_sync_polarity hsync_polarity;
+ bool rgb;
+
+ struct edid *edid;
+
+ struct gpio_desc *gpio_pd;
+
+ enum adv7511_type type;
+};
+
+#ifdef CONFIG_DRM_I2C_ADV7533
+void adv7533_dsi_power_on(struct adv7511 *adv);
+void adv7533_dsi_power_off(struct adv7511 *adv);
+int adv7533_patch_registers(struct adv7511 *adv);
+void adv7533_uninit_cec(struct adv7511 *adv);
+int adv7533_init_cec(struct adv7511 *adv);
+#else
+static inline void adv7533_dsi_power_on(struct adv7511 *adv)
+{
+}
+
+static inline void adv7533_dsi_power_off(struct adv7511 *adv)
+{
+}
+
+static inline int adv7533_patch_registers(struct adv7511 *adv)
+{
+ return -ENODEV;
+}
+
+static inline void adv7533_uninit_cec(struct adv7511 *adv)
+{
+}
+
+static inline int adv7533_init_cec(struct adv7511 *adv)
+{
+ return -ENODEV;
+}
+#endif
+
#endif /* __DRM_I2C_ADV7511_H__ */
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 1fff0ab29b7a..e33702bbd5d5 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -8,48 +8,17 @@
#include <linux/device.h>
#include <linux/gpio/consumer.h>
-#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/regmap.h>
+#include <linux/of_device.h>
#include <linux/slab.h>
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_edid.h>
#include "adv7511.h"
-struct adv7511 {
- struct i2c_client *i2c_main;
- struct i2c_client *i2c_edid;
-
- struct regmap *regmap;
- struct regmap *packet_memory_regmap;
- enum drm_connector_status status;
- bool powered;
-
- unsigned int f_tmds;
-
- unsigned int current_edid_segment;
- uint8_t edid_buf[256];
- bool edid_read;
-
- wait_queue_head_t wq;
- struct drm_bridge bridge;
- struct drm_connector connector;
-
- bool embedded_sync;
- enum adv7511_sync_polarity vsync_polarity;
- enum adv7511_sync_polarity hsync_polarity;
- bool rgb;
-
- struct edid *edid;
-
- struct gpio_desc *gpio_pd;
-};
-
/* ADI recommended values for proper operation. */
static const struct reg_sequence adv7511_fixed_registers[] = {
{ 0x98, 0x03 },
@@ -391,6 +360,9 @@ static void adv7511_power_on(struct adv7511 *adv7511)
*/
regcache_sync(adv7511->regmap);
+ if (adv7511->type == ADV7533)
+ adv7533_dsi_power_on(adv7511);
+
adv7511->powered = true;
}
@@ -402,6 +374,9 @@ static void adv7511_power_off(struct adv7511 *adv7511)
ADV7511_POWER_POWER_DOWN);
regcache_mark_dirty(adv7511->regmap);
+ if (adv7511->type == ADV7533)
+ adv7533_dsi_power_off(adv7511);
+
adv7511->powered = false;
}
@@ -862,8 +837,6 @@ static int adv7511_parse_dt(struct device_node *np,
const char *str;
int ret;
- memset(config, 0, sizeof(*config));
-
of_property_read_u32(np, "adi,input-depth", &config->input_color_depth);
if (config->input_color_depth != 8 && config->input_color_depth != 10 &&
config->input_color_depth != 12)
@@ -963,9 +936,18 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
adv7511->powered = false;
adv7511->status = connector_status_disconnected;
- ret = adv7511_parse_dt(dev->of_node, &link_config);
- if (ret)
- return ret;
+ if (dev->of_node)
+ adv7511->type = (enum adv7511_type)of_device_get_match_data(dev);
+ else
+ adv7511->type = id->driver_data;
+
+ memset(&link_config, 0, sizeof(link_config));
+
+ if (adv7511->type == ADV7511) {
+ ret = adv7511_parse_dt(dev->of_node, &link_config);
+ if (ret)
+ return ret;
+ }
/*
* The power down GPIO is optional. If present, toggle it from active to
@@ -989,8 +971,12 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
return ret;
dev_dbg(dev, "Rev. %d\n", val);
- ret = regmap_register_patch(adv7511->regmap, adv7511_fixed_registers,
- ARRAY_SIZE(adv7511_fixed_registers));
+ if (adv7511->type == ADV7511)
+ ret = regmap_register_patch(adv7511->regmap,
+ adv7511_fixed_registers,
+ ARRAY_SIZE(adv7511_fixed_registers));
+ else
+ ret = adv7533_patch_registers(adv7511);
if (ret)
return ret;
@@ -1005,6 +991,12 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
if (!adv7511->i2c_edid)
return -ENOMEM;
+ if (adv7511->type == ADV7533) {
+ ret = adv7533_init_cec(adv7511);
+ if (ret)
+ goto err_i2c_unregister_edid;
+ }
+
if (i2c->irq) {
init_waitqueue_head(&adv7511->wq);
@@ -1013,7 +1005,7 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
IRQF_ONESHOT, dev_name(dev),
adv7511);
if (ret)
- goto err_i2c_unregister_device;
+ goto err_unregister_cec;
}
/* CEC is unused for now */
@@ -1024,7 +1016,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
i2c_set_clientdata(i2c, adv7511);
- adv7511_set_link_config(adv7511, &link_config);
+ if (adv7511->type == ADV7511)
+ adv7511_set_link_config(adv7511, &link_config);
adv7511->bridge.funcs = &adv7511_bridge_funcs;
adv7511->bridge.of_node = dev->of_node;
@@ -1032,12 +1025,14 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
ret = drm_bridge_add(&adv7511->bridge);
if (ret) {
dev_err(dev, "failed to add adv7511 bridge\n");
- goto err_i2c_unregister_device;
+ goto err_unregister_cec;
}
return 0;
-err_i2c_unregister_device:
+err_unregister_cec:
+ adv7533_uninit_cec(adv7511);
+err_i2c_unregister_edid:
i2c_unregister_device(adv7511->i2c_edid);
return ret;
@@ -1049,6 +1044,7 @@ static int adv7511_remove(struct i2c_client *i2c)
drm_bridge_remove(&adv7511->bridge);
+ adv7533_uninit_cec(adv7511);
i2c_unregister_device(adv7511->i2c_edid);
kfree(adv7511->edid);
@@ -1057,17 +1053,23 @@ static int adv7511_remove(struct i2c_client *i2c)
}
static const struct i2c_device_id adv7511_i2c_ids[] = {
- { "adv7511", 0 },
- { "adv7511w", 0 },
- { "adv7513", 0 },
+ { "adv7511", ADV7511 },
+ { "adv7511w", ADV7511 },
+ { "adv7513", ADV7511 },
+#ifdef CONFIG_DRM_I2C_ADV7533
+ { "adv7533", ADV7533 },
+#endif
{ }
};
MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids);
static const struct of_device_id adv7511_of_ids[] = {
- { .compatible = "adi,adv7511", },
- { .compatible = "adi,adv7511w", },
- { .compatible = "adi,adv7513", },
+ { .compatible = "adi,adv7511", .data = (void *)ADV7511 },
+ { .compatible = "adi,adv7511w", .data = (void *)ADV7511 },
+ { .compatible = "adi,adv7513", .data = (void *)ADV7511 },
+#ifdef CONFIG_DRM_I2C_ADV7533
+ { .compatible = "adi,adv7533", .data = (void *)ADV7533 },
+#endif
{ }
};
MODULE_DEVICE_TABLE(of, adv7511_of_ids);
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c
new file mode 100644
index 000000000000..cb4ca640a2b3
--- /dev/null
+++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "adv7511.h"
+
+static const struct reg_sequence adv7533_fixed_registers[] = {
+ { 0x16, 0x20 },
+ { 0x9a, 0xe0 },
+ { 0xba, 0x70 },
+ { 0xde, 0x82 },
+ { 0xe4, 0x40 },
+ { 0xe5, 0x80 },
+};
+
+static const struct reg_sequence adv7533_cec_fixed_registers[] = {
+ { 0x15, 0xd0 },
+ { 0x17, 0xd0 },
+ { 0x24, 0x20 },
+ { 0x57, 0x11 },
+};
+
+static const struct regmap_config adv7533_cec_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = 0xff,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+void adv7533_dsi_power_on(struct adv7511 *adv)
+{
+ /* set number of dsi lanes (hardcoded to 4 for now) */
+ regmap_write(adv->regmap_cec, 0x1c, 4 << 4);
+ /* disable internal timing generator */
+ regmap_write(adv->regmap_cec, 0x27, 0x0b);
+ /* enable hdmi */
+ regmap_write(adv->regmap_cec, 0x03, 0x89);
+ /* disable test mode */
+ regmap_write(adv->regmap_cec, 0x55, 0x00);
+
+ regmap_register_patch(adv->regmap_cec, adv7533_cec_fixed_registers,
+ ARRAY_SIZE(adv7533_cec_fixed_registers));
+}
+
+void adv7533_dsi_power_off(struct adv7511 *adv)
+{
+ /* disable hdmi */
+ regmap_write(adv->regmap_cec, 0x03, 0x0b);
+}
+
+int adv7533_patch_registers(struct adv7511 *adv)
+{
+ return regmap_register_patch(adv->regmap,
+ adv7533_fixed_registers,
+ ARRAY_SIZE(adv7533_fixed_registers));
+}
+
+void adv7533_uninit_cec(struct adv7511 *adv)
+{
+ i2c_unregister_device(adv->i2c_cec);
+}
+
+static const int cec_i2c_addr = 0x78;
+
+int adv7533_init_cec(struct adv7511 *adv)
+{
+ int ret;
+
+ adv->i2c_cec = i2c_new_dummy(adv->i2c_main->adapter, cec_i2c_addr >> 1);
+ if (!adv->i2c_cec)
+ return -ENOMEM;
+
+ adv->regmap_cec = devm_regmap_init_i2c(adv->i2c_cec,
+ &adv7533_cec_regmap_config);
+ if (IS_ERR(adv->regmap_cec)) {
+ ret = PTR_ERR(adv->regmap_cec);
+ goto err;
+ }
+
+ ret = regmap_register_patch(adv->regmap_cec,
+ adv7533_cec_fixed_registers,
+ ARRAY_SIZE(adv7533_cec_fixed_registers));
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ adv7533_uninit_cec(adv);
+ return ret;
+}
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