Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 1 | /* |
Mythri P K | d875f99 | 2011-09-08 19:06:27 +0530 | [diff] [blame] | 2 | * hdmi_panel.c |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 3 | * |
| 4 | * HDMI library support functions for TI OMAP4 processors. |
| 5 | * |
| 6 | * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/ |
| 7 | * Authors: Mythri P k <mythripk@ti.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License version 2 as published by |
| 11 | * the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 16 | * more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along with |
| 19 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | */ |
| 21 | |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/err.h> |
| 24 | #include <linux/io.h> |
| 25 | #include <linux/mutex.h> |
| 26 | #include <linux/module.h> |
Tomi Valkeinen | a0b38cc | 2011-05-11 14:05:07 +0300 | [diff] [blame] | 27 | #include <video/omapdss.h> |
Tomi Valkeinen | 759593f | 2011-08-29 18:10:20 +0300 | [diff] [blame] | 28 | #include <linux/slab.h> |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 29 | |
| 30 | #include "dss.h" |
| 31 | |
| 32 | static struct { |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 33 | /* This protects the panel ops, mainly when accessing the HDMI IP. */ |
| 34 | struct mutex lock; |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 35 | #if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) |
| 36 | /* This protects the audio ops, specifically. */ |
| 37 | spinlock_t audio_lock; |
| 38 | #endif |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 39 | } hdmi; |
| 40 | |
| 41 | |
| 42 | static int hdmi_panel_probe(struct omap_dss_device *dssdev) |
| 43 | { |
Archit Taneja | 7849398 | 2012-08-08 16:50:42 +0530 | [diff] [blame] | 44 | /* Initialize default timings to VGA in DVI mode */ |
| 45 | const struct omap_video_timings default_timings = { |
| 46 | .x_res = 640, |
| 47 | .y_res = 480, |
| 48 | .pixel_clock = 25175, |
| 49 | .hsw = 96, |
| 50 | .hfp = 16, |
| 51 | .hbp = 48, |
| 52 | .vsw = 2, |
| 53 | .vfp = 11, |
| 54 | .vbp = 31, |
| 55 | |
| 56 | .vsync_level = OMAPDSS_SIG_ACTIVE_LOW, |
| 57 | .hsync_level = OMAPDSS_SIG_ACTIVE_LOW, |
| 58 | |
| 59 | .interlace = false, |
| 60 | }; |
| 61 | |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 62 | DSSDBG("ENTER hdmi_panel_probe\n"); |
| 63 | |
Archit Taneja | 7849398 | 2012-08-08 16:50:42 +0530 | [diff] [blame] | 64 | dssdev->panel.timings = default_timings; |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 65 | |
| 66 | DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n", |
| 67 | dssdev->panel.timings.x_res, |
| 68 | dssdev->panel.timings.y_res); |
Archit Taneja | 7849398 | 2012-08-08 16:50:42 +0530 | [diff] [blame] | 69 | |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | static void hdmi_panel_remove(struct omap_dss_device *dssdev) |
| 74 | { |
| 75 | |
| 76 | } |
| 77 | |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 78 | #if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) |
| 79 | static int hdmi_panel_audio_enable(struct omap_dss_device *dssdev) |
| 80 | { |
| 81 | unsigned long flags; |
| 82 | int r; |
| 83 | |
| 84 | mutex_lock(&hdmi.lock); |
| 85 | spin_lock_irqsave(&hdmi.audio_lock, flags); |
| 86 | |
| 87 | /* enable audio only if the display is active and supports audio */ |
| 88 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE || |
| 89 | !hdmi_mode_has_audio()) { |
| 90 | DSSERR("audio not supported or display is off\n"); |
| 91 | r = -EPERM; |
| 92 | goto err; |
| 93 | } |
| 94 | |
| 95 | r = hdmi_audio_enable(); |
| 96 | |
| 97 | if (!r) |
| 98 | dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED; |
| 99 | |
| 100 | err: |
| 101 | spin_unlock_irqrestore(&hdmi.audio_lock, flags); |
| 102 | mutex_unlock(&hdmi.lock); |
| 103 | return r; |
| 104 | } |
| 105 | |
| 106 | static void hdmi_panel_audio_disable(struct omap_dss_device *dssdev) |
| 107 | { |
| 108 | unsigned long flags; |
| 109 | |
| 110 | spin_lock_irqsave(&hdmi.audio_lock, flags); |
| 111 | |
| 112 | hdmi_audio_disable(); |
| 113 | |
| 114 | dssdev->audio_state = OMAP_DSS_AUDIO_DISABLED; |
| 115 | |
| 116 | spin_unlock_irqrestore(&hdmi.audio_lock, flags); |
| 117 | } |
| 118 | |
| 119 | static int hdmi_panel_audio_start(struct omap_dss_device *dssdev) |
| 120 | { |
| 121 | unsigned long flags; |
| 122 | int r; |
| 123 | |
| 124 | spin_lock_irqsave(&hdmi.audio_lock, flags); |
| 125 | /* |
| 126 | * No need to check the panel state. It was checked when trasitioning |
| 127 | * to AUDIO_ENABLED. |
| 128 | */ |
| 129 | if (dssdev->audio_state != OMAP_DSS_AUDIO_ENABLED) { |
| 130 | DSSERR("audio start from invalid state\n"); |
| 131 | r = -EPERM; |
| 132 | goto err; |
| 133 | } |
| 134 | |
| 135 | r = hdmi_audio_start(); |
| 136 | |
| 137 | if (!r) |
| 138 | dssdev->audio_state = OMAP_DSS_AUDIO_PLAYING; |
| 139 | |
| 140 | err: |
| 141 | spin_unlock_irqrestore(&hdmi.audio_lock, flags); |
| 142 | return r; |
| 143 | } |
| 144 | |
| 145 | static void hdmi_panel_audio_stop(struct omap_dss_device *dssdev) |
| 146 | { |
| 147 | unsigned long flags; |
| 148 | |
| 149 | spin_lock_irqsave(&hdmi.audio_lock, flags); |
| 150 | |
| 151 | hdmi_audio_stop(); |
| 152 | dssdev->audio_state = OMAP_DSS_AUDIO_ENABLED; |
| 153 | |
| 154 | spin_unlock_irqrestore(&hdmi.audio_lock, flags); |
| 155 | } |
| 156 | |
| 157 | static bool hdmi_panel_audio_supported(struct omap_dss_device *dssdev) |
| 158 | { |
| 159 | bool r = false; |
| 160 | |
| 161 | mutex_lock(&hdmi.lock); |
| 162 | |
| 163 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) |
| 164 | goto err; |
| 165 | |
| 166 | if (!hdmi_mode_has_audio()) |
| 167 | goto err; |
| 168 | |
| 169 | r = true; |
| 170 | err: |
| 171 | mutex_unlock(&hdmi.lock); |
| 172 | return r; |
| 173 | } |
| 174 | |
| 175 | static int hdmi_panel_audio_config(struct omap_dss_device *dssdev, |
| 176 | struct omap_dss_audio *audio) |
| 177 | { |
| 178 | unsigned long flags; |
| 179 | int r; |
| 180 | |
| 181 | mutex_lock(&hdmi.lock); |
| 182 | spin_lock_irqsave(&hdmi.audio_lock, flags); |
| 183 | |
| 184 | /* config audio only if the display is active and supports audio */ |
| 185 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE || |
| 186 | !hdmi_mode_has_audio()) { |
| 187 | DSSERR("audio not supported or display is off\n"); |
| 188 | r = -EPERM; |
| 189 | goto err; |
| 190 | } |
| 191 | |
| 192 | r = hdmi_audio_config(audio); |
| 193 | |
| 194 | if (!r) |
| 195 | dssdev->audio_state = OMAP_DSS_AUDIO_CONFIGURED; |
| 196 | |
| 197 | err: |
| 198 | spin_unlock_irqrestore(&hdmi.audio_lock, flags); |
| 199 | mutex_unlock(&hdmi.lock); |
| 200 | return r; |
| 201 | } |
| 202 | |
| 203 | #else |
| 204 | static int hdmi_panel_audio_enable(struct omap_dss_device *dssdev) |
| 205 | { |
| 206 | return -EPERM; |
| 207 | } |
| 208 | |
| 209 | static void hdmi_panel_audio_disable(struct omap_dss_device *dssdev) |
| 210 | { |
| 211 | } |
| 212 | |
| 213 | static int hdmi_panel_audio_start(struct omap_dss_device *dssdev) |
| 214 | { |
| 215 | return -EPERM; |
| 216 | } |
| 217 | |
| 218 | static void hdmi_panel_audio_stop(struct omap_dss_device *dssdev) |
| 219 | { |
| 220 | } |
| 221 | |
| 222 | static bool hdmi_panel_audio_supported(struct omap_dss_device *dssdev) |
| 223 | { |
| 224 | return false; |
| 225 | } |
| 226 | |
| 227 | static int hdmi_panel_audio_config(struct omap_dss_device *dssdev, |
| 228 | struct omap_dss_audio *audio) |
| 229 | { |
| 230 | return -EPERM; |
| 231 | } |
| 232 | #endif |
| 233 | |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 234 | static int hdmi_panel_enable(struct omap_dss_device *dssdev) |
| 235 | { |
| 236 | int r = 0; |
| 237 | DSSDBG("ENTER hdmi_panel_enable\n"); |
| 238 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 239 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 240 | |
| 241 | if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) { |
| 242 | r = -EINVAL; |
| 243 | goto err; |
| 244 | } |
| 245 | |
Archit Taneja | 7849398 | 2012-08-08 16:50:42 +0530 | [diff] [blame] | 246 | omapdss_hdmi_display_set_timing(dssdev, &dssdev->panel.timings); |
| 247 | |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 248 | r = omapdss_hdmi_display_enable(dssdev); |
| 249 | if (r) { |
| 250 | DSSERR("failed to power on\n"); |
| 251 | goto err; |
| 252 | } |
| 253 | |
| 254 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; |
| 255 | |
| 256 | err: |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 257 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 258 | |
| 259 | return r; |
| 260 | } |
| 261 | |
| 262 | static void hdmi_panel_disable(struct omap_dss_device *dssdev) |
| 263 | { |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 264 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 265 | |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 266 | if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) { |
| 267 | /* |
| 268 | * TODO: notify audio users that the display was disabled. For |
| 269 | * now, disable audio locally to not break our audio state |
| 270 | * machine. |
| 271 | */ |
| 272 | hdmi_panel_audio_disable(dssdev); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 273 | omapdss_hdmi_display_disable(dssdev); |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 274 | } |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 275 | |
| 276 | dssdev->state = OMAP_DSS_DISPLAY_DISABLED; |
| 277 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 278 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | static int hdmi_panel_suspend(struct omap_dss_device *dssdev) |
| 282 | { |
| 283 | int r = 0; |
| 284 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 285 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 286 | |
| 287 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { |
| 288 | r = -EINVAL; |
| 289 | goto err; |
| 290 | } |
| 291 | |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 292 | /* |
| 293 | * TODO: notify audio users that the display was suspended. For now, |
| 294 | * disable audio locally to not break our audio state machine. |
| 295 | */ |
| 296 | hdmi_panel_audio_disable(dssdev); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 297 | |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 298 | dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 299 | omapdss_hdmi_display_disable(dssdev); |
| 300 | |
| 301 | err: |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 302 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 303 | |
| 304 | return r; |
| 305 | } |
| 306 | |
| 307 | static int hdmi_panel_resume(struct omap_dss_device *dssdev) |
| 308 | { |
| 309 | int r = 0; |
| 310 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 311 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 312 | |
| 313 | if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) { |
| 314 | r = -EINVAL; |
| 315 | goto err; |
| 316 | } |
| 317 | |
| 318 | r = omapdss_hdmi_display_enable(dssdev); |
| 319 | if (r) { |
| 320 | DSSERR("failed to power on\n"); |
| 321 | goto err; |
| 322 | } |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 323 | /* TODO: notify audio users that the panel resumed. */ |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 324 | |
| 325 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; |
| 326 | |
| 327 | err: |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 328 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 329 | |
| 330 | return r; |
| 331 | } |
| 332 | |
| 333 | static void hdmi_get_timings(struct omap_dss_device *dssdev, |
| 334 | struct omap_video_timings *timings) |
| 335 | { |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 336 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 337 | |
| 338 | *timings = dssdev->panel.timings; |
| 339 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 340 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | static void hdmi_set_timings(struct omap_dss_device *dssdev, |
| 344 | struct omap_video_timings *timings) |
| 345 | { |
| 346 | DSSDBG("hdmi_set_timings\n"); |
| 347 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 348 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 349 | |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 350 | /* |
| 351 | * TODO: notify audio users that there was a timings change. For |
| 352 | * now, disable audio locally to not break our audio state machine. |
| 353 | */ |
| 354 | hdmi_panel_audio_disable(dssdev); |
| 355 | |
Archit Taneja | 7849398 | 2012-08-08 16:50:42 +0530 | [diff] [blame] | 356 | omapdss_hdmi_display_set_timing(dssdev, timings); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 357 | dssdev->panel.timings = *timings; |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 358 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 359 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | static int hdmi_check_timings(struct omap_dss_device *dssdev, |
| 363 | struct omap_video_timings *timings) |
| 364 | { |
| 365 | int r = 0; |
| 366 | |
| 367 | DSSDBG("hdmi_check_timings\n"); |
| 368 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 369 | mutex_lock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 370 | |
| 371 | r = omapdss_hdmi_display_check_timing(dssdev, timings); |
Tomi Valkeinen | 468c1b9 | 2011-08-25 17:13:32 +0300 | [diff] [blame] | 372 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 373 | mutex_unlock(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 374 | return r; |
| 375 | } |
| 376 | |
Tomi Valkeinen | 4702456 | 2011-08-25 17:12:56 +0300 | [diff] [blame] | 377 | static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len) |
| 378 | { |
| 379 | int r; |
| 380 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 381 | mutex_lock(&hdmi.lock); |
Tomi Valkeinen | 4702456 | 2011-08-25 17:12:56 +0300 | [diff] [blame] | 382 | |
| 383 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { |
| 384 | r = omapdss_hdmi_display_enable(dssdev); |
| 385 | if (r) |
| 386 | goto err; |
| 387 | } |
| 388 | |
| 389 | r = omapdss_hdmi_read_edid(buf, len); |
| 390 | |
| 391 | if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED || |
| 392 | dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) |
| 393 | omapdss_hdmi_display_disable(dssdev); |
| 394 | err: |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 395 | mutex_unlock(&hdmi.lock); |
Tomi Valkeinen | 4702456 | 2011-08-25 17:12:56 +0300 | [diff] [blame] | 396 | |
| 397 | return r; |
| 398 | } |
| 399 | |
Tomi Valkeinen | 759593f | 2011-08-29 18:10:20 +0300 | [diff] [blame] | 400 | static bool hdmi_detect(struct omap_dss_device *dssdev) |
| 401 | { |
| 402 | int r; |
| 403 | |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 404 | mutex_lock(&hdmi.lock); |
Tomi Valkeinen | 759593f | 2011-08-29 18:10:20 +0300 | [diff] [blame] | 405 | |
| 406 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { |
| 407 | r = omapdss_hdmi_display_enable(dssdev); |
| 408 | if (r) |
| 409 | goto err; |
| 410 | } |
| 411 | |
| 412 | r = omapdss_hdmi_detect(); |
| 413 | |
| 414 | if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED || |
| 415 | dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) |
| 416 | omapdss_hdmi_display_disable(dssdev); |
| 417 | err: |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 418 | mutex_unlock(&hdmi.lock); |
Tomi Valkeinen | 759593f | 2011-08-29 18:10:20 +0300 | [diff] [blame] | 419 | |
| 420 | return r; |
| 421 | } |
| 422 | |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 423 | static struct omap_dss_driver hdmi_driver = { |
| 424 | .probe = hdmi_panel_probe, |
| 425 | .remove = hdmi_panel_remove, |
| 426 | .enable = hdmi_panel_enable, |
| 427 | .disable = hdmi_panel_disable, |
| 428 | .suspend = hdmi_panel_suspend, |
| 429 | .resume = hdmi_panel_resume, |
| 430 | .get_timings = hdmi_get_timings, |
| 431 | .set_timings = hdmi_set_timings, |
| 432 | .check_timings = hdmi_check_timings, |
Tomi Valkeinen | 4702456 | 2011-08-25 17:12:56 +0300 | [diff] [blame] | 433 | .read_edid = hdmi_read_edid, |
Tomi Valkeinen | 759593f | 2011-08-29 18:10:20 +0300 | [diff] [blame] | 434 | .detect = hdmi_detect, |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 435 | .audio_enable = hdmi_panel_audio_enable, |
| 436 | .audio_disable = hdmi_panel_audio_disable, |
| 437 | .audio_start = hdmi_panel_audio_start, |
| 438 | .audio_stop = hdmi_panel_audio_stop, |
| 439 | .audio_supported = hdmi_panel_audio_supported, |
| 440 | .audio_config = hdmi_panel_audio_config, |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 441 | .driver = { |
| 442 | .name = "hdmi_panel", |
| 443 | .owner = THIS_MODULE, |
| 444 | }, |
| 445 | }; |
| 446 | |
| 447 | int hdmi_panel_init(void) |
| 448 | { |
Ricardo Neri | b7dea05a | 2012-04-25 19:29:06 -0500 | [diff] [blame] | 449 | mutex_init(&hdmi.lock); |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 450 | |
Ricardo Neri | f3a97491 | 2012-05-09 21:09:50 -0500 | [diff] [blame] | 451 | #if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO) |
| 452 | spin_lock_init(&hdmi.audio_lock); |
| 453 | #endif |
| 454 | |
Mythri P K | 70be832 | 2011-03-10 15:48:48 +0530 | [diff] [blame] | 455 | omap_dss_register_driver(&hdmi_driver); |
| 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | void hdmi_panel_exit(void) |
| 461 | { |
| 462 | omap_dss_unregister_driver(&hdmi_driver); |
| 463 | |
| 464 | } |