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