2 * Copyright (C) 2012 Texas Instruments, Inc..
3 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * version 2 as published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 * NOTE: this is a transitional file to help with DT adaptation.
23 * This file will be removed when DSS supports DT.
26 #include <linux/kernel.h>
27 #include <linux/gpio.h>
29 #include <video/omapdss.h>
30 #include <video/omap-panel-tfp410.h>
31 #include <video/omap-panel-nokia-dsi.h>
32 #include <video/omap-panel-picodlp.h>
35 #include "dss-common.h"
38 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
39 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
40 #define HDMI_GPIO_HPD 63 /* Hotplug detect */
43 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
45 /* Using generic display panel */
46 static struct tfp410_platform_data omap4_dvi_panel = {
48 .power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
51 static struct omap_dss_device omap4_panda_dvi_device = {
52 .type = OMAP_DISPLAY_TYPE_DPI,
54 .driver_name = "tfp410",
55 .data = &omap4_dvi_panel,
56 .phy.dpi.data_lines = 24,
57 .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
58 .channel = OMAP_DSS_CHANNEL_LCD2,
61 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
62 .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
63 .ls_oe_gpio = HDMI_GPIO_LS_OE,
64 .hpd_gpio = HDMI_GPIO_HPD,
67 static struct omap_dss_device omap4_panda_hdmi_device = {
69 .driver_name = "hdmi_panel",
70 .type = OMAP_DISPLAY_TYPE_HDMI,
71 .channel = OMAP_DSS_CHANNEL_DIGIT,
72 .data = &omap4_panda_hdmi_data,
75 static struct omap_dss_device *omap4_panda_dss_devices[] = {
76 &omap4_panda_dvi_device,
77 &omap4_panda_hdmi_device,
80 static struct omap_dss_board_info omap4_panda_dss_data = {
81 .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
82 .devices = omap4_panda_dss_devices,
83 .default_device = &omap4_panda_dvi_device,
86 void __init omap4_panda_display_init(void)
88 omap_display_init(&omap4_panda_dss_data);
91 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
92 * later have external pull up on the HDMI I2C lines
94 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
95 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
99 omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
100 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
101 omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
104 void __init omap4_panda_display_init_of(void)
106 omap_display_init(&omap4_panda_dss_data);
110 /* OMAP4 Blaze display data */
112 #define DISPLAY_SEL_GPIO 59 /* LCD2/PicoDLP switch */
113 #define DLP_POWER_ON_GPIO 40
115 static struct nokia_dsi_panel_data dsi1_panel = {
123 .pins = { 0, 1, 2, 3, 4, 5 },
127 static struct omap_dss_device sdp4430_lcd_device = {
129 .driver_name = "taal",
130 .type = OMAP_DISPLAY_TYPE_DSI,
135 .channel = OMAP_DSS_CHANNEL_LCD,
138 static struct nokia_dsi_panel_data dsi2_panel = {
146 .pins = { 0, 1, 2, 3, 4, 5 },
150 static struct omap_dss_device sdp4430_lcd2_device = {
152 .driver_name = "taal",
153 .type = OMAP_DISPLAY_TYPE_DSI,
159 .channel = OMAP_DSS_CHANNEL_LCD2,
162 static struct omap_dss_hdmi_data sdp4430_hdmi_data = {
163 .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
164 .ls_oe_gpio = HDMI_GPIO_LS_OE,
165 .hpd_gpio = HDMI_GPIO_HPD,
168 static struct omap_dss_device sdp4430_hdmi_device = {
170 .driver_name = "hdmi_panel",
171 .type = OMAP_DISPLAY_TYPE_HDMI,
172 .channel = OMAP_DSS_CHANNEL_DIGIT,
173 .data = &sdp4430_hdmi_data,
176 static struct picodlp_panel_data sdp4430_picodlp_pdata = {
177 .picodlp_adapter_id = 2,
182 static void sdp4430_picodlp_init(void)
185 const struct gpio picodlp_gpios[] = {
186 {DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
188 {sdp4430_picodlp_pdata.emu_done_gpio, GPIOF_IN,
190 {sdp4430_picodlp_pdata.pwrgood_gpio, GPIOF_OUT_INIT_LOW,
194 r = gpio_request_array(picodlp_gpios, ARRAY_SIZE(picodlp_gpios));
196 pr_err("Cannot request PicoDLP GPIOs, error %d\n", r);
199 static int sdp4430_panel_enable_picodlp(struct omap_dss_device *dssdev)
201 gpio_set_value(DISPLAY_SEL_GPIO, 0);
202 gpio_set_value(DLP_POWER_ON_GPIO, 1);
207 static void sdp4430_panel_disable_picodlp(struct omap_dss_device *dssdev)
209 gpio_set_value(DLP_POWER_ON_GPIO, 0);
210 gpio_set_value(DISPLAY_SEL_GPIO, 1);
213 static struct omap_dss_device sdp4430_picodlp_device = {
215 .driver_name = "picodlp_panel",
216 .type = OMAP_DISPLAY_TYPE_DPI,
217 .phy.dpi.data_lines = 24,
218 .channel = OMAP_DSS_CHANNEL_LCD2,
219 .platform_enable = sdp4430_panel_enable_picodlp,
220 .platform_disable = sdp4430_panel_disable_picodlp,
221 .data = &sdp4430_picodlp_pdata,
224 static struct omap_dss_device *sdp4430_dss_devices[] = {
226 &sdp4430_lcd2_device,
227 &sdp4430_hdmi_device,
228 &sdp4430_picodlp_device,
231 static struct omap_dss_board_info sdp4430_dss_data = {
232 .num_devices = ARRAY_SIZE(sdp4430_dss_devices),
233 .devices = sdp4430_dss_devices,
234 .default_device = &sdp4430_lcd_device,
237 void __init omap_4430sdp_display_init(void)
241 /* Enable LCD2 by default (instead of Pico DLP) */
242 r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
245 pr_err("%s: Could not get display_sel GPIO\n", __func__);
247 sdp4430_picodlp_init();
248 omap_display_init(&sdp4430_dss_data);
250 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
251 * later have external pull up on the HDMI I2C lines
253 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
254 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
258 omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
259 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
260 omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
263 void __init omap_4430sdp_display_init_of(void)
267 /* Enable LCD2 by default (instead of Pico DLP) */
268 r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
271 pr_err("%s: Could not get display_sel GPIO\n", __func__);
273 sdp4430_picodlp_init();
274 omap_display_init(&sdp4430_dss_data);