diff options
Diffstat (limited to 'arch/arm/mach-omap2/dss-common.c')
| -rw-r--r-- | arch/arm/mach-omap2/dss-common.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c new file mode 100644 index 000000000000..4be5cfc81ab8 --- /dev/null +++ b/arch/arm/mach-omap2/dss-common.c @@ -0,0 +1,275 @@ +/* + * Copyright (C) 2012 Texas Instruments, Inc.. + * Author: Tomi Valkeinen <tomi.valkeinen@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. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +/* + * NOTE: this is a transitional file to help with DT adaptation. + * This file will be removed when DSS supports DT. + */ + +#include <linux/kernel.h> +#include <linux/gpio.h> + +#include <video/omapdss.h> +#include <video/omap-panel-tfp410.h> +#include <video/omap-panel-nokia-dsi.h> +#include <video/omap-panel-picodlp.h> + +#include "soc.h" +#include "dss-common.h" +#include "mux.h" + +#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */ +#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ +#define HDMI_GPIO_HPD 63 /* Hotplug detect */ + +/* Display DVI */ +#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0 + +/* Using generic display panel */ +static struct tfp410_platform_data omap4_dvi_panel = { + .i2c_bus_num = 3, + .power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO, +}; + +static struct omap_dss_device omap4_panda_dvi_device = { + .type = OMAP_DISPLAY_TYPE_DPI, + .name = "dvi", + .driver_name = "tfp410", + .data = &omap4_dvi_panel, + .phy.dpi.data_lines = 24, + .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO, + .channel = OMAP_DSS_CHANNEL_LCD2, +}; + +static struct omap_dss_hdmi_data omap4_panda_hdmi_data = { + .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, + .ls_oe_gpio = HDMI_GPIO_LS_OE, + .hpd_gpio = HDMI_GPIO_HPD, +}; + +static struct omap_dss_device omap4_panda_hdmi_device = { + .name = "hdmi", + .driver_name = "hdmi_panel", + .type = OMAP_DISPLAY_TYPE_HDMI, + .channel = OMAP_DSS_CHANNEL_DIGIT, + .data = &omap4_panda_hdmi_data, +}; + +static struct omap_dss_device *omap4_panda_dss_devices[] = { + &omap4_panda_dvi_device, + &omap4_panda_hdmi_device, +}; + +static struct omap_dss_board_info omap4_panda_dss_data = { + .num_devices = ARRAY_SIZE(omap4_panda_dss_devices), + .devices = omap4_panda_dss_devices, + .default_device = &omap4_panda_dvi_device, +}; + +void __init omap4_panda_display_init(void) +{ + omap_display_init(&omap4_panda_dss_data); + + /* + * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and + * later have external pull up on the HDMI I2C lines + */ + if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2) + omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); + else + omap_hdmi_init(0); + + omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); +} + +void __init omap4_panda_display_init_of(void) +{ + omap_display_init(&omap4_panda_dss_data); +} + + +/* OMAP4 Blaze display data */ + +#define DISPLAY_SEL_GPIO 59 /* LCD2/PicoDLP switch */ +#define DLP_POWER_ON_GPIO 40 + +static struct nokia_dsi_panel_data dsi1_panel = { + .name = "taal", + .reset_gpio = 102, + .use_ext_te = false, + .ext_te_gpio = 101, + .esd_interval = 0, + .pin_config = { + .num_pins = 6, + .pins = { 0, 1, 2, 3, 4, 5 }, + }, +}; + +static struct omap_dss_device sdp4430_lcd_device = { + .name = "lcd", + .driver_name = "taal", + .type = OMAP_DISPLAY_TYPE_DSI, + .data = &dsi1_panel, + .phy.dsi = { + .module = 0, + }, + .channel = OMAP_DSS_CHANNEL_LCD, +}; + +static struct nokia_dsi_panel_data dsi2_panel = { + .name = "taal", + .reset_gpio = 104, + .use_ext_te = false, + .ext_te_gpio = 103, + .esd_interval = 0, + .pin_config = { + .num_pins = 6, + .pins = { 0, 1, 2, 3, 4, 5 }, + }, +}; + +static struct omap_dss_device sdp4430_lcd2_device = { + .name = "lcd2", + .driver_name = "taal", + .type = OMAP_DISPLAY_TYPE_DSI, + .data = &dsi2_panel, + .phy.dsi = { + + .module = 1, + }, + .channel = OMAP_DSS_CHANNEL_LCD2, +}; + +static struct omap_dss_hdmi_data sdp4430_hdmi_data = { + .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, + .ls_oe_gpio = HDMI_GPIO_LS_OE, + .hpd_gpio = HDMI_GPIO_HPD, +}; + +static struct omap_dss_device sdp4430_hdmi_device = { + .name = "hdmi", + .driver_name = "hdmi_panel", + .type = OMAP_DISPLAY_TYPE_HDMI, + .channel = OMAP_DSS_CHANNEL_DIGIT, + .data = &sdp4430_hdmi_data, +}; + +static struct picodlp_panel_data sdp4430_picodlp_pdata = { + .picodlp_adapter_id = 2, + .emu_done_gpio = 44, + .pwrgood_gpio = 45, +}; + +static void sdp4430_picodlp_init(void) +{ + int r; + const struct gpio picodlp_gpios[] = { + {DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW, + "DLP POWER ON"}, + {sdp4430_picodlp_pdata.emu_done_gpio, GPIOF_IN, + "DLP EMU DONE"}, + {sdp4430_picodlp_pdata.pwrgood_gpio, GPIOF_OUT_INIT_LOW, + "DLP PWRGOOD"}, + }; + + r = gpio_request_array(picodlp_gpios, ARRAY_SIZE(picodlp_gpios)); + if (r) + pr_err("Cannot request PicoDLP GPIOs, error %d\n", r); +} + +static int sdp4430_panel_enable_picodlp(struct omap_dss_device *dssdev) +{ + gpio_set_value(DISPLAY_SEL_GPIO, 0); + gpio_set_value(DLP_POWER_ON_GPIO, 1); + + return 0; +} + +static void sdp4430_panel_disable_picodlp(struct omap_dss_device *dssdev) +{ + gpio_set_value(DLP_POWER_ON_GPIO, 0); + gpio_set_value(DISPLAY_SEL_GPIO, 1); +} + +static struct omap_dss_device sdp4430_picodlp_device = { + .name = "picodlp", + .driver_name = "picodlp_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .channel = OMAP_DSS_CHANNEL_LCD2, + .platform_enable = sdp4430_panel_enable_picodlp, + .platform_disable = sdp4430_panel_disable_picodlp, + .data = &sdp4430_picodlp_pdata, +}; + +static struct omap_dss_device *sdp4430_dss_devices[] = { + &sdp4430_lcd_device, + &sdp4430_lcd2_device, + &sdp4430_hdmi_device, + &sdp4430_picodlp_device, +}; + +static struct omap_dss_board_info sdp4430_dss_data = { + .num_devices = ARRAY_SIZE(sdp4430_dss_devices), + .devices = sdp4430_dss_devices, + .default_device = &sdp4430_lcd_device, +}; + +void __init omap_4430sdp_display_init(void) +{ + int r; + + /* Enable LCD2 by default (instead of Pico DLP) */ + r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH, + "display_sel"); + if (r) + pr_err("%s: Could not get display_sel GPIO\n", __func__); + + sdp4430_picodlp_init(); + omap_display_init(&sdp4430_dss_data); + /* + * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and + * later have external pull up on the HDMI I2C lines + */ + if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2) + omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); + else + omap_hdmi_init(0); + + omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); +} + +void __init omap_4430sdp_display_init_of(void) +{ + int r; + + /* Enable LCD2 by default (instead of Pico DLP) */ + r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH, + "display_sel"); + if (r) + pr_err("%s: Could not get display_sel GPIO\n", __func__); + + sdp4430_picodlp_init(); + omap_display_init(&sdp4430_dss_data); +} |
