Tomi Valkeinen | 0191bf3 | 2012-11-05 15:14:17 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Texas Instruments, Inc.. |
| 3 | * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> |
| 4 | * |
| 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. |
| 8 | * |
| 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. |
| 13 | * |
| 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 |
| 17 | * 02110-1301 USA |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | /* |
| 22 | * NOTE: this is a transitional file to help with DT adaptation. |
| 23 | * This file will be removed when DSS supports DT. |
| 24 | */ |
| 25 | |
| 26 | #include <linux/kernel.h> |
Tomi Valkeinen | 86cf29d | 2012-11-05 15:14:18 +0200 | [diff] [blame] | 27 | #include <linux/gpio.h> |
| 28 | |
Tomi Valkeinen | 0191bf3 | 2012-11-05 15:14:17 +0200 | [diff] [blame] | 29 | #include <video/omapdss.h> |
| 30 | #include <video/omap-panel-tfp410.h> |
Tomi Valkeinen | 86cf29d | 2012-11-05 15:14:18 +0200 | [diff] [blame] | 31 | #include <video/omap-panel-nokia-dsi.h> |
| 32 | #include <video/omap-panel-picodlp.h> |
Tomi Valkeinen | 0191bf3 | 2012-11-05 15:14:17 +0200 | [diff] [blame] | 33 | |
| 34 | #include <plat/cpu.h> |
| 35 | |
| 36 | #include "dss-common.h" |
| 37 | #include "mux.h" |
| 38 | |
| 39 | #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */ |
| 40 | #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ |
| 41 | #define HDMI_GPIO_HPD 63 /* Hotplug detect */ |
| 42 | |
| 43 | /* Display DVI */ |
| 44 | #define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0 |
| 45 | |
| 46 | /* Using generic display panel */ |
| 47 | static struct tfp410_platform_data omap4_dvi_panel = { |
| 48 | .i2c_bus_num = 3, |
| 49 | .power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO, |
| 50 | }; |
| 51 | |
| 52 | static struct omap_dss_device omap4_panda_dvi_device = { |
| 53 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 54 | .name = "dvi", |
| 55 | .driver_name = "tfp410", |
| 56 | .data = &omap4_dvi_panel, |
| 57 | .phy.dpi.data_lines = 24, |
| 58 | .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO, |
| 59 | .channel = OMAP_DSS_CHANNEL_LCD2, |
| 60 | }; |
| 61 | |
| 62 | static struct omap_dss_hdmi_data omap4_panda_hdmi_data = { |
| 63 | .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, |
| 64 | .ls_oe_gpio = HDMI_GPIO_LS_OE, |
| 65 | .hpd_gpio = HDMI_GPIO_HPD, |
| 66 | }; |
| 67 | |
| 68 | static struct omap_dss_device omap4_panda_hdmi_device = { |
| 69 | .name = "hdmi", |
| 70 | .driver_name = "hdmi_panel", |
| 71 | .type = OMAP_DISPLAY_TYPE_HDMI, |
| 72 | .channel = OMAP_DSS_CHANNEL_DIGIT, |
| 73 | .data = &omap4_panda_hdmi_data, |
| 74 | }; |
| 75 | |
| 76 | static struct omap_dss_device *omap4_panda_dss_devices[] = { |
| 77 | &omap4_panda_dvi_device, |
| 78 | &omap4_panda_hdmi_device, |
| 79 | }; |
| 80 | |
| 81 | static struct omap_dss_board_info omap4_panda_dss_data = { |
| 82 | .num_devices = ARRAY_SIZE(omap4_panda_dss_devices), |
| 83 | .devices = omap4_panda_dss_devices, |
| 84 | .default_device = &omap4_panda_dvi_device, |
| 85 | }; |
| 86 | |
| 87 | void __init omap4_panda_display_init(void) |
| 88 | { |
| 89 | omap_display_init(&omap4_panda_dss_data); |
| 90 | |
| 91 | /* |
| 92 | * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and |
| 93 | * later have external pull up on the HDMI I2C lines |
| 94 | */ |
| 95 | if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2) |
| 96 | omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); |
| 97 | else |
| 98 | omap_hdmi_init(0); |
| 99 | |
| 100 | omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); |
| 101 | omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); |
| 102 | omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); |
| 103 | } |
| 104 | |
| 105 | void __init omap4_panda_display_init_of(void) |
| 106 | { |
| 107 | omap_display_init(&omap4_panda_dss_data); |
| 108 | } |
Tomi Valkeinen | 86cf29d | 2012-11-05 15:14:18 +0200 | [diff] [blame] | 109 | |
| 110 | |
| 111 | /* OMAP4 Blaze display data */ |
| 112 | |
| 113 | #define DISPLAY_SEL_GPIO 59 /* LCD2/PicoDLP switch */ |
| 114 | #define DLP_POWER_ON_GPIO 40 |
| 115 | |
| 116 | static struct nokia_dsi_panel_data dsi1_panel = { |
| 117 | .name = "taal", |
| 118 | .reset_gpio = 102, |
| 119 | .use_ext_te = false, |
| 120 | .ext_te_gpio = 101, |
| 121 | .esd_interval = 0, |
| 122 | .pin_config = { |
| 123 | .num_pins = 6, |
| 124 | .pins = { 0, 1, 2, 3, 4, 5 }, |
| 125 | }, |
| 126 | }; |
| 127 | |
| 128 | static struct omap_dss_device sdp4430_lcd_device = { |
| 129 | .name = "lcd", |
| 130 | .driver_name = "taal", |
| 131 | .type = OMAP_DISPLAY_TYPE_DSI, |
| 132 | .data = &dsi1_panel, |
| 133 | .phy.dsi = { |
| 134 | .module = 0, |
| 135 | }, |
| 136 | .channel = OMAP_DSS_CHANNEL_LCD, |
| 137 | }; |
| 138 | |
| 139 | static struct nokia_dsi_panel_data dsi2_panel = { |
| 140 | .name = "taal", |
| 141 | .reset_gpio = 104, |
| 142 | .use_ext_te = false, |
| 143 | .ext_te_gpio = 103, |
| 144 | .esd_interval = 0, |
| 145 | .pin_config = { |
| 146 | .num_pins = 6, |
| 147 | .pins = { 0, 1, 2, 3, 4, 5 }, |
| 148 | }, |
| 149 | }; |
| 150 | |
| 151 | static struct omap_dss_device sdp4430_lcd2_device = { |
| 152 | .name = "lcd2", |
| 153 | .driver_name = "taal", |
| 154 | .type = OMAP_DISPLAY_TYPE_DSI, |
| 155 | .data = &dsi2_panel, |
| 156 | .phy.dsi = { |
| 157 | |
| 158 | .module = 1, |
| 159 | }, |
| 160 | .channel = OMAP_DSS_CHANNEL_LCD2, |
| 161 | }; |
| 162 | |
| 163 | static struct omap_dss_hdmi_data sdp4430_hdmi_data = { |
| 164 | .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD, |
| 165 | .ls_oe_gpio = HDMI_GPIO_LS_OE, |
| 166 | .hpd_gpio = HDMI_GPIO_HPD, |
| 167 | }; |
| 168 | |
| 169 | static struct omap_dss_device sdp4430_hdmi_device = { |
| 170 | .name = "hdmi", |
| 171 | .driver_name = "hdmi_panel", |
| 172 | .type = OMAP_DISPLAY_TYPE_HDMI, |
| 173 | .channel = OMAP_DSS_CHANNEL_DIGIT, |
| 174 | .data = &sdp4430_hdmi_data, |
| 175 | }; |
| 176 | |
| 177 | static struct picodlp_panel_data sdp4430_picodlp_pdata = { |
| 178 | .picodlp_adapter_id = 2, |
| 179 | .emu_done_gpio = 44, |
| 180 | .pwrgood_gpio = 45, |
| 181 | }; |
| 182 | |
| 183 | static void sdp4430_picodlp_init(void) |
| 184 | { |
| 185 | int r; |
| 186 | const struct gpio picodlp_gpios[] = { |
| 187 | {DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW, |
| 188 | "DLP POWER ON"}, |
| 189 | {sdp4430_picodlp_pdata.emu_done_gpio, GPIOF_IN, |
| 190 | "DLP EMU DONE"}, |
| 191 | {sdp4430_picodlp_pdata.pwrgood_gpio, GPIOF_OUT_INIT_LOW, |
| 192 | "DLP PWRGOOD"}, |
| 193 | }; |
| 194 | |
| 195 | r = gpio_request_array(picodlp_gpios, ARRAY_SIZE(picodlp_gpios)); |
| 196 | if (r) |
| 197 | pr_err("Cannot request PicoDLP GPIOs, error %d\n", r); |
| 198 | } |
| 199 | |
| 200 | static int sdp4430_panel_enable_picodlp(struct omap_dss_device *dssdev) |
| 201 | { |
| 202 | gpio_set_value(DISPLAY_SEL_GPIO, 0); |
| 203 | gpio_set_value(DLP_POWER_ON_GPIO, 1); |
| 204 | |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | static void sdp4430_panel_disable_picodlp(struct omap_dss_device *dssdev) |
| 209 | { |
| 210 | gpio_set_value(DLP_POWER_ON_GPIO, 0); |
| 211 | gpio_set_value(DISPLAY_SEL_GPIO, 1); |
| 212 | } |
| 213 | |
| 214 | static struct omap_dss_device sdp4430_picodlp_device = { |
| 215 | .name = "picodlp", |
| 216 | .driver_name = "picodlp_panel", |
| 217 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 218 | .phy.dpi.data_lines = 24, |
| 219 | .channel = OMAP_DSS_CHANNEL_LCD2, |
| 220 | .platform_enable = sdp4430_panel_enable_picodlp, |
| 221 | .platform_disable = sdp4430_panel_disable_picodlp, |
| 222 | .data = &sdp4430_picodlp_pdata, |
| 223 | }; |
| 224 | |
| 225 | static struct omap_dss_device *sdp4430_dss_devices[] = { |
| 226 | &sdp4430_lcd_device, |
| 227 | &sdp4430_lcd2_device, |
| 228 | &sdp4430_hdmi_device, |
| 229 | &sdp4430_picodlp_device, |
| 230 | }; |
| 231 | |
| 232 | static struct omap_dss_board_info sdp4430_dss_data = { |
| 233 | .num_devices = ARRAY_SIZE(sdp4430_dss_devices), |
| 234 | .devices = sdp4430_dss_devices, |
| 235 | .default_device = &sdp4430_lcd_device, |
| 236 | }; |
| 237 | |
| 238 | void __init omap_4430sdp_display_init(void) |
| 239 | { |
| 240 | int r; |
| 241 | |
| 242 | /* Enable LCD2 by default (instead of Pico DLP) */ |
| 243 | r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH, |
| 244 | "display_sel"); |
| 245 | if (r) |
| 246 | pr_err("%s: Could not get display_sel GPIO\n", __func__); |
| 247 | |
| 248 | sdp4430_picodlp_init(); |
| 249 | omap_display_init(&sdp4430_dss_data); |
| 250 | /* |
| 251 | * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and |
| 252 | * later have external pull up on the HDMI I2C lines |
| 253 | */ |
| 254 | if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2) |
| 255 | omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); |
| 256 | else |
| 257 | omap_hdmi_init(0); |
| 258 | |
| 259 | omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); |
| 260 | omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); |
| 261 | omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); |
| 262 | } |
| 263 | |
| 264 | void __init omap_4430sdp_display_init_of(void) |
| 265 | { |
| 266 | int r; |
| 267 | |
| 268 | /* Enable LCD2 by default (instead of Pico DLP) */ |
| 269 | r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH, |
| 270 | "display_sel"); |
| 271 | if (r) |
| 272 | pr_err("%s: Could not get display_sel GPIO\n", __func__); |
| 273 | |
| 274 | sdp4430_picodlp_init(); |
| 275 | omap_display_init(&sdp4430_dss_data); |
| 276 | } |