git.stricted.de - GitHub/LineageOS/android_kernel_samsung

1 /*

4 * Jesse Barnes <jesse.barnes@intel.com>

5 *

6 * Permission is hereby granted, free of charge, to any person obtaining a

7 * copy of this software and associated documentation files (the "Software"),

8 * to deal in the Software without restriction, including without limitation

9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

10 * and/or sell copies of the Software, and to permit persons to whom the

11 * Software is furnished to do so, subject to the following conditions:

12 *

13 * The above copyright notice and this permission notice (including the next

14 * paragraph) shall be included in all copies or substantial portions of the

15 * Software.

16 *

17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

23 * DEALINGS IN THE SOFTWARE.

24 *

25 * Authors:

26 * Eric Anholt <eric@anholt.net>

27 */

28 #include <linux/i2c.h>

29 #include <linux/slab.h>

30 #include <linux/delay.h>

31 #include "drmP.h"

32 #include "drm.h"

33 #include "drm_crtc.h"

34 #include "drm_edid.h"

35 #include "intel_drv.h"

36 #include "i915_drm.h"

37 #include "i915_drv.h"

38 #include "intel_sdvo_regs.h"

40 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)

41 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)

42 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)

43 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)

45 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\

46 SDVO_TV_MASK)

48 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)

49 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)

50 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))

53 static const char *tv_format_names[] = {

54 "NTSC_M" , "NTSC_J" , "NTSC_443",

55 "PAL_B" , "PAL_D" , "PAL_G" ,

56 "PAL_H" , "PAL_I" , "PAL_M" ,

57 "PAL_N" , "PAL_NC" , "PAL_60" ,

58 "SECAM_B" , "SECAM_D" , "SECAM_G" ,

59 "SECAM_K" , "SECAM_K1", "SECAM_L" ,

60 "SECAM_60"

61 };

63 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))

65 struct intel_sdvo {

66 struct intel_encoder base;

68 u8 slave_addr;

70 /* Register for the SDVO device: SDVOB or SDVOC */

71 int sdvo_reg;

73 /* Active outputs controlled by this SDVO output */

74 uint16_t controlled_output;

76 /*

77 * Capabilities of the SDVO device returned by

78 * i830_sdvo_get_capabilities()

79 */

80 struct intel_sdvo_caps caps;

82 /* Pixel clock limitations reported by the SDVO device, in kHz */

83 int pixel_clock_min, pixel_clock_max;

85 /*

86 * For multiple function SDVO device,

87 * this is for current attached outputs.

88 */

89 uint16_t attached_output;

91 /**

92 * This is set if we're going to treat the device as TV-out.

93 *

94 * While we have these nice friendly flags for output types that ought

95 * to decide this for us, the S-Video output on our HDMI+S-Video card

96 * shows up as RGB1 (VGA).

97 */

98 bool is_tv;

100 /* This is for current tv format name */

101 int tv_format_index;

102

103 /**

104 * This is set if we treat the device as HDMI, instead of DVI.

105 */

106 bool is_hdmi;

107

108 /**

109 * This is set if we detect output of sdvo device as LVDS.

110 */

111 bool is_lvds;

112

113 /**

114 * This is sdvo flags for input timing.

115 */

116 uint8_t sdvo_flags;

117

118 /**

119 * This is sdvo fixed pannel mode pointer

120 */

121 struct drm_display_mode *sdvo_lvds_fixed_mode;

122

123 /*

124 * supported encoding mode, used to determine whether HDMI is

125 * supported

126 */

127 struct intel_sdvo_encode encode;

128

129 /* DDC bus used by this SDVO encoder */

130 uint8_t ddc_bus;

131

132 /* Mac mini hack -- use the same DDC as the analog connector */

133 struct i2c_adapter *analog_ddc_bus;

134

135 };

136

137 struct intel_sdvo_connector {

138 struct intel_connector base;

139

140 /* Mark the type of connector */

141 uint16_t output_flag;

142

143 /* This contains all current supported TV format */

144 u8 tv_format_supported[TV_FORMAT_NUM];

145 int format_supported_num;

146 struct drm_property *tv_format;

147

148 /* add the property for the SDVO-TV */

149 struct drm_property *left;

150 struct drm_property *right;

151 struct drm_property *top;

152 struct drm_property *bottom;

153 struct drm_property *hpos;

154 struct drm_property *vpos;

155 struct drm_property *contrast;

156 struct drm_property *saturation;

157 struct drm_property *hue;

158 struct drm_property *sharpness;

159 struct drm_property *flicker_filter;

160 struct drm_property *flicker_filter_adaptive;

161 struct drm_property *flicker_filter_2d;

162 struct drm_property *tv_chroma_filter;

163 struct drm_property *tv_luma_filter;

164 struct drm_property *dot_crawl;

165

166 /* add the property for the SDVO-TV/LVDS */

167 struct drm_property *brightness;

168

169 /* Add variable to record current setting for the above property */

170 u32 left_margin, right_margin, top_margin, bottom_margin;

171

172 /* this is to get the range of margin.*/

173 u32 max_hscan, max_vscan;

174 u32 max_hpos, cur_hpos;

175 u32 max_vpos, cur_vpos;

176 u32 cur_brightness, max_brightness;

177 u32 cur_contrast, max_contrast;

178 u32 cur_saturation, max_saturation;

179 u32 cur_hue, max_hue;

180 u32 cur_sharpness, max_sharpness;

181 u32 cur_flicker_filter, max_flicker_filter;

182 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;

183 u32 cur_flicker_filter_2d, max_flicker_filter_2d;

184 u32 cur_tv_chroma_filter, max_tv_chroma_filter;

185 u32 cur_tv_luma_filter, max_tv_luma_filter;

186 u32 cur_dot_crawl, max_dot_crawl;

187 };

188

189 static struct intel_sdvo *enc_to_intel_sdvo(struct drm_encoder *encoder)

190 {

191 return container_of(enc_to_intel_encoder(encoder), struct intel_sdvo, base);

192 }

193

194 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)

195 {

196 return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);

197 }

198

199 static bool

200 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);

201 static bool

202 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,

203 struct intel_sdvo_connector *intel_sdvo_connector,

204 int type);

205 static bool

206 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,

207 struct intel_sdvo_connector *intel_sdvo_connector);

208

209 /**

210 * Writes the SDVOB or SDVOC with the given value, but always writes both

211 * SDVOB and SDVOC to work around apparent hardware issues (according to

212 * comments in the BIOS).

213 */

214 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)

215 {

216 struct drm_device *dev = intel_sdvo->base.enc.dev;

217 struct drm_i915_private *dev_priv = dev->dev_private;

218 u32 bval = val, cval = val;

219 int i;

220

221 if (intel_sdvo->sdvo_reg == PCH_SDVOB) {

222 I915_WRITE(intel_sdvo->sdvo_reg, val);

223 I915_READ(intel_sdvo->sdvo_reg);

224 return;

225 }

226

227 if (intel_sdvo->sdvo_reg == SDVOB) {

228 cval = I915_READ(SDVOC);

229 } else {

230 bval = I915_READ(SDVOB);

231 }

232 /*

233 * Write the registers twice for luck. Sometimes,

234 * writing them only once doesn't appear to 'stick'.

235 * The BIOS does this too. Yay, magic

236 */

237 for (i = 0; i < 2; i++)

238 {

239 I915_WRITE(SDVOB, bval);

240 I915_READ(SDVOB);

241 I915_WRITE(SDVOC, cval);

242 I915_READ(SDVOC);

243 }

244 }

245

246 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)

247 {

248 u8 out_buf[2] = { addr, 0 };

249 u8 buf[2];

250 struct i2c_msg msgs[] = {

251 {

252 .addr = intel_sdvo->slave_addr >> 1,

253 .flags = 0,

254 .len = 1,

255 .buf = out_buf,

256 },

257 {

258 .addr = intel_sdvo->slave_addr >> 1,

259 .flags = I2C_M_RD,

260 .len = 1,

261 .buf = buf,

262 }

263 };

264 int ret;

265

266 if ((ret = i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 2)) == 2)

267 {

268 *ch = buf[0];

269 return true;

270 }

271

272 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);

273 return false;

274 }

275

276 static bool intel_sdvo_write_byte(struct intel_sdvo *intel_sdvo, int addr, u8 ch)

277 {

278 u8 out_buf[2] = { addr, ch };

279 struct i2c_msg msgs[] = {

280 {

281 .addr = intel_sdvo->slave_addr >> 1,

282 .flags = 0,

283 .len = 2,

284 .buf = out_buf,

285 }

286 };

287

288 return i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 1) == 1;

289 }

290

291 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}

292 /** Mapping of command numbers to names, for debug output */

293 static const struct _sdvo_cmd_name {

294 u8 cmd;

295 const char *name;

296 } sdvo_cmd_names[] = {

297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),

298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),

299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),

300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),

301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),

302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),

303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),

304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),

305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),

306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),

307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),

308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),

309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),

310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),

311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),

312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),

313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),

314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),

315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),

316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),

317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),

318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),

319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),

320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),

321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),

322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),

323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),

324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),

325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),

326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),

327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),

328 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),

329 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),

330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),

331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),

332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),

333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),

334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),

335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),

336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),

337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),

338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),

339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),

340

341 /* Add the op code for SDVO enhancements */

342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),

343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),

344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),

345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),

346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),

347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),

348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),

349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),

350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),

351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),

352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),

353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),

354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),

355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),

356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),

357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),

358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),

359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),

360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),

361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),

362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),

363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),

364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),

365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),

366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),

367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),

368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),

369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),

370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),

371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),

372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),

373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),

374 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),

375 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),

376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),

377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),

378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),

379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),

380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),

381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),

382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),

383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),

384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),

385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),

386

387 /* HDMI op code */

388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),

389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),

390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),

391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),

392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),

393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),

394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),

395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),

396 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),

397 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),

398 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),

399 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),

400 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),

401 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),

402 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),

403 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),

404 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),

405 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),

406 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),

407 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),

408 };

409

410 #define IS_SDVOB(reg) (reg == SDVOB || reg == PCH_SDVOB)

411 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")

412

413 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,

414 const void *args, int args_len)

415 {

416 int i;

417

418 DRM_DEBUG_KMS("%s: W: %02X ",

419 SDVO_NAME(intel_sdvo), cmd);

420 for (i = 0; i < args_len; i++)

421 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);

422 for (; i < 8; i++)

423 DRM_LOG_KMS(" ");

424 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {

425 if (cmd == sdvo_cmd_names[i].cmd) {

426 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);

427 break;

428 }

429 }

430 if (i == ARRAY_SIZE(sdvo_cmd_names))

431 DRM_LOG_KMS("(%02X)", cmd);

432 DRM_LOG_KMS("\n");

433 }

434

435 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,

436 const void *args, int args_len)

437 {

438 int i;

439

440 intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);

441

442 for (i = 0; i < args_len; i++) {

443 if (!intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_ARG_0 - i,

444 ((u8*)args)[i]))

445 return false;

446 }

447

448 return intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_OPCODE, cmd);

449 }

450

451 static const char *cmd_status_names[] = {

452 "Power on",

453 "Success",

454 "Not supported",

455 "Invalid arg",

456 "Pending",

457 "Target not specified",

458 "Scaling not supported"

459 };

460

461 static void intel_sdvo_debug_response(struct intel_sdvo *intel_sdvo,

462 void *response, int response_len,

463 u8 status)

464 {

465 int i;

466

467 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));

468 for (i = 0; i < response_len; i++)

469 DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);

470 for (; i < 8; i++)

471 DRM_LOG_KMS(" ");

472 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)

473 DRM_LOG_KMS("(%s)", cmd_status_names[status]);

474 else

475 DRM_LOG_KMS("(??? %d)", status);

476 DRM_LOG_KMS("\n");

477 }

478

479 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,

480 void *response, int response_len)

481 {

482 int i;

483 u8 status;

484 u8 retry = 50;

485

486 while (retry--) {

487 /* Read the command response */

488 for (i = 0; i < response_len; i++) {

489 if (!intel_sdvo_read_byte(intel_sdvo,

490 SDVO_I2C_RETURN_0 + i,

491 &((u8 *)response)[i]))

492 return false;

493 }

494

495 /* read the return status */

496 if (!intel_sdvo_read_byte(intel_sdvo, SDVO_I2C_CMD_STATUS,

497 &status))

498 return false;

499

500 intel_sdvo_debug_response(intel_sdvo, response, response_len,

501 status);

502 if (status != SDVO_CMD_STATUS_PENDING)

503 break;

504

505 mdelay(50);

506 }

507

508 return status == SDVO_CMD_STATUS_SUCCESS;

509 }

510

511 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)

512 {

513 if (mode->clock >= 100000)

514 return 1;

515 else if (mode->clock >= 50000)

516 return 2;

517 else

518 return 4;

519 }

520

521 /**

522 * Try to read the response after issuie the DDC switch command. But it

523 * is noted that we must do the action of reading response and issuing DDC

524 * switch command in one I2C transaction. Otherwise when we try to start

525 * another I2C transaction after issuing the DDC bus switch, it will be

526 * switched to the internal SDVO register.

527 */

528 static void intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,

529 u8 target)

530 {

531 u8 out_buf[2], cmd_buf[2], ret_value[2], ret;

532 struct i2c_msg msgs[] = {

533 {

534 .addr = intel_sdvo->slave_addr >> 1,

535 .flags = 0,

536 .len = 2,

537 .buf = out_buf,

538 },

539 /* the following two are to read the response */

540 {

541 .addr = intel_sdvo->slave_addr >> 1,

542 .flags = 0,

543 .len = 1,

544 .buf = cmd_buf,

545 },

546 {

547 .addr = intel_sdvo->slave_addr >> 1,

548 .flags = I2C_M_RD,

549 .len = 1,

550 .buf = ret_value,

551 },

552 };

553

554 intel_sdvo_debug_write(intel_sdvo, SDVO_CMD_SET_CONTROL_BUS_SWITCH,

555 &target, 1);

556 /* write the DDC switch command argument */

557 intel_sdvo_write_byte(intel_sdvo, SDVO_I2C_ARG_0, target);

558

559 out_buf[0] = SDVO_I2C_OPCODE;

560 out_buf[1] = SDVO_CMD_SET_CONTROL_BUS_SWITCH;

561 cmd_buf[0] = SDVO_I2C_CMD_STATUS;

562 cmd_buf[1] = 0;

563 ret_value[0] = 0;

564 ret_value[1] = 0;

565

566 ret = i2c_transfer(intel_sdvo->base.i2c_bus, msgs, 3);

567 if (ret != 3) {

568 /* failure in I2C transfer */

569 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);

570 return;

571 }

572 if (ret_value[0] != SDVO_CMD_STATUS_SUCCESS) {

573 DRM_DEBUG_KMS("DDC switch command returns response %d\n",

574 ret_value[0]);

575 return;

576 }

577 return;

578 }

579

580 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)

581 {

582 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))

583 return false;

584

585 return intel_sdvo_read_response(intel_sdvo, NULL, 0);

586 }

587

588 static bool

589 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)

590 {

591 if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))

592 return false;

593

594 return intel_sdvo_read_response(intel_sdvo, value, len);

595 }

596

597 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)

598 {

599 struct intel_sdvo_set_target_input_args targets = {0};

600 return intel_sdvo_set_value(intel_sdvo,

601 SDVO_CMD_SET_TARGET_INPUT,

602 &targets, sizeof(targets));

603 }

604

605 /**

606 * Return whether each input is trained.

607 *

608 * This function is making an assumption about the layout of the response,

609 * which should be checked against the docs.

610 */

611 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)

612 {

613 struct intel_sdvo_get_trained_inputs_response response;

614

615 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,

616 &response, sizeof(response)))

617 return false;

618

619 *input_1 = response.input0_trained;

620 *input_2 = response.input1_trained;

621 return true;

622 }

623

624 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,

625 u16 outputs)

626 {

627 return intel_sdvo_set_value(intel_sdvo,

628 SDVO_CMD_SET_ACTIVE_OUTPUTS,

629 &outputs, sizeof(outputs));

630 }

631

632 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,

633 int mode)

634 {

635 u8 state = SDVO_ENCODER_STATE_ON;

636

637 switch (mode) {

638 case DRM_MODE_DPMS_ON:

639 state = SDVO_ENCODER_STATE_ON;

640 break;

641 case DRM_MODE_DPMS_STANDBY:

642 state = SDVO_ENCODER_STATE_STANDBY;

643 break;

644 case DRM_MODE_DPMS_SUSPEND:

645 state = SDVO_ENCODER_STATE_SUSPEND;

646 break;

647 case DRM_MODE_DPMS_OFF:

648 state = SDVO_ENCODER_STATE_OFF;

649 break;

650 }

651

652 return intel_sdvo_set_value(intel_sdvo,

653 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));

654 }

655

656 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,

657 int *clock_min,

658 int *clock_max)

659 {

660 struct intel_sdvo_pixel_clock_range clocks;

661

662 if (!intel_sdvo_get_value(intel_sdvo,

663 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,

664 &clocks, sizeof(clocks)))

665 return false;

666

667 /* Convert the values from units of 10 kHz to kHz. */

668 *clock_min = clocks.min * 10;

669 *clock_max = clocks.max * 10;

670 return true;

671 }

672

673 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,

674 u16 outputs)

675 {

676 return intel_sdvo_set_value(intel_sdvo,

677 SDVO_CMD_SET_TARGET_OUTPUT,

678 &outputs, sizeof(outputs));

679 }

680

681 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,

682 struct intel_sdvo_dtd *dtd)

683 {

684 return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&

685 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));

686 }

687

688 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,

689 struct intel_sdvo_dtd *dtd)

690 {

691 return intel_sdvo_set_timing(intel_sdvo,

692 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);

693 }

694

695 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,

696 struct intel_sdvo_dtd *dtd)

697 {

698 return intel_sdvo_set_timing(intel_sdvo,

699 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);

700 }

701

702 static bool

703 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,

704 uint16_t clock,

705 uint16_t width,

706 uint16_t height)

707 {

708 struct intel_sdvo_preferred_input_timing_args args;

709

710 memset(&args, 0, sizeof(args));

711 args.clock = clock;

712 args.width = width;

713 args.height = height;

714 args.interlace = 0;

715

716 if (intel_sdvo->is_lvds &&

717 (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||

718 intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))

719 args.scaled = 1;

720

721 return intel_sdvo_set_value(intel_sdvo,

722 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,

723 &args, sizeof(args));

724 }

725

726 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,

727 struct intel_sdvo_dtd *dtd)

728 {

729 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,

730 &dtd->part1, sizeof(dtd->part1)) &&

731 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,

732 &dtd->part2, sizeof(dtd->part2));

733 }

734

735 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)

736 {

737 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);

738 }

739

740 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,

741 const struct drm_display_mode *mode)

742 {

743 uint16_t width, height;

744 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;

745 uint16_t h_sync_offset, v_sync_offset;

746

747 width = mode->crtc_hdisplay;

748 height = mode->crtc_vdisplay;

749

750 /* do some mode translations */

751 h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;

752 h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;

753

754 v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;

755 v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;

756

757 h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;

758 v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;

759

760 dtd->part1.clock = mode->clock / 10;

761 dtd->part1.h_active = width & 0xff;

762 dtd->part1.h_blank = h_blank_len & 0xff;

763 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |

764 ((h_blank_len >> 8) & 0xf);

765 dtd->part1.v_active = height & 0xff;

766 dtd->part1.v_blank = v_blank_len & 0xff;

767 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |

768 ((v_blank_len >> 8) & 0xf);

769

770 dtd->part2.h_sync_off = h_sync_offset & 0xff;

771 dtd->part2.h_sync_width = h_sync_len & 0xff;

772 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |

773 (v_sync_len & 0xf);

774 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |

775 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |

776 ((v_sync_len & 0x30) >> 4);

777

778 dtd->part2.dtd_flags = 0x18;

779 if (mode->flags & DRM_MODE_FLAG_PHSYNC)

780 dtd->part2.dtd_flags |= 0x2;

781 if (mode->flags & DRM_MODE_FLAG_PVSYNC)

782 dtd->part2.dtd_flags |= 0x4;

783

784 dtd->part2.sdvo_flags = 0;

785 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;

786 dtd->part2.reserved = 0;

787 }

788

789 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,

790 const struct intel_sdvo_dtd *dtd)

791 {

792 mode->hdisplay = dtd->part1.h_active;

793 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;

794 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;

795 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;

796 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;

797 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;

798 mode->htotal = mode->hdisplay + dtd->part1.h_blank;

799 mode->htotal += (dtd->part1.h_high & 0xf) << 8;

800

801 mode->vdisplay = dtd->part1.v_active;

802 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;

803 mode->vsync_start = mode->vdisplay;

804 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;

805 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;

806 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;

807 mode->vsync_end = mode->vsync_start +

808 (dtd->part2.v_sync_off_width & 0xf);

809 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;

810 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;

811 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;

812

813 mode->clock = dtd->part1.clock * 10;

814

815 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);

816 if (dtd->part2.dtd_flags & 0x2)

817 mode->flags |= DRM_MODE_FLAG_PHSYNC;

818 if (dtd->part2.dtd_flags & 0x4)

819 mode->flags |= DRM_MODE_FLAG_PVSYNC;

820 }

821

822 static bool intel_sdvo_get_supp_encode(struct intel_sdvo *intel_sdvo,

823 struct intel_sdvo_encode *encode)

824 {

825 if (intel_sdvo_get_value(intel_sdvo,

826 SDVO_CMD_GET_SUPP_ENCODE,

827 encode, sizeof(*encode)))

828 return true;

829

830 /* non-support means DVI */

831 memset(encode, 0, sizeof(*encode));

832 return false;

833 }

834

835 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,

836 uint8_t mode)

837 {

838 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);

839 }

840

841 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,

842 uint8_t mode)

843 {

844 return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);

845 }

846

847 #if 0

848 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)

849 {

850 int i, j;

851 uint8_t set_buf_index[2];

852 uint8_t av_split;

853 uint8_t buf_size;

854 uint8_t buf[48];

855 uint8_t *pos;

856

857 intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);

858

859 for (i = 0; i <= av_split; i++) {

860 set_buf_index[0] = i; set_buf_index[1] = 0;

861 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,

862 set_buf_index, 2);

863 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);

864 intel_sdvo_read_response(encoder, &buf_size, 1);

865

866 pos = buf;

867 for (j = 0; j <= buf_size; j += 8) {

868 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,

869 NULL, 0);

870 intel_sdvo_read_response(encoder, pos, 8);

871 pos += 8;

872 }

873 }

874 }

875 #endif

876

877 static bool intel_sdvo_set_hdmi_buf(struct intel_sdvo *intel_sdvo,

878 int index,

879 uint8_t *data, int8_t size, uint8_t tx_rate)

880 {

881 uint8_t set_buf_index[2];

882

883 set_buf_index[0] = index;

884 set_buf_index[1] = 0;

885

886 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX,

887 set_buf_index, 2))

888 return false;

889

890 for (; size > 0; size -= 8) {

891 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_DATA, data, 8))

892 return false;

893

894 data += 8;

895 }

896

897 return intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1);

898 }

899

900 static uint8_t intel_sdvo_calc_hbuf_csum(uint8_t *data, uint8_t size)

901 {

902 uint8_t csum = 0;

903 int i;

904

905 for (i = 0; i < size; i++)

906 csum += data[i];

907

908 return 0x100 - csum;

909 }

910

911 #define DIP_TYPE_AVI 0x82

912 #define DIP_VERSION_AVI 0x2

913 #define DIP_LEN_AVI 13

914

915 struct dip_infoframe {

916 uint8_t type;

917 uint8_t version;

918 uint8_t len;

919 uint8_t checksum;

920 union {

921 struct {

922 /* Packet Byte #1 */

923 uint8_t S:2;

924 uint8_t B:2;

925 uint8_t A:1;

926 uint8_t Y:2;

927 uint8_t rsvd1:1;

928 /* Packet Byte #2 */

929 uint8_t R:4;

930 uint8_t M:2;

931 uint8_t C:2;

932 /* Packet Byte #3 */

933 uint8_t SC:2;

934 uint8_t Q:2;

935 uint8_t EC:3;

936 uint8_t ITC:1;

937 /* Packet Byte #4 */

938 uint8_t VIC:7;

939 uint8_t rsvd2:1;

940 /* Packet Byte #5 */

941 uint8_t PR:4;

942 uint8_t rsvd3:4;

943 /* Packet Byte #6~13 */

944 uint16_t top_bar_end;

945 uint16_t bottom_bar_start;

946 uint16_t left_bar_end;

947 uint16_t right_bar_start;

948 } avi;

949 struct {

950 /* Packet Byte #1 */

951 uint8_t channel_count:3;

952 uint8_t rsvd1:1;

953 uint8_t coding_type:4;

954 /* Packet Byte #2 */

955 uint8_t sample_size:2; /* SS0, SS1 */

956 uint8_t sample_frequency:3;

957 uint8_t rsvd2:3;

958 /* Packet Byte #3 */

959 uint8_t coding_type_private:5;

960 uint8_t rsvd3:3;

961 /* Packet Byte #4 */

962 uint8_t channel_allocation;

963 /* Packet Byte #5 */

964 uint8_t rsvd4:3;

965 uint8_t level_shift:4;

966 uint8_t downmix_inhibit:1;

967 } audio;

968 uint8_t payload[28];

969 } __attribute__ ((packed)) u;

970 } __attribute__((packed));

971

972 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,

973 struct drm_display_mode * mode)

974 {

975 struct dip_infoframe avi_if = {

976 .type = DIP_TYPE_AVI,

977 .version = DIP_VERSION_AVI,

978 .len = DIP_LEN_AVI,

979 };

980

981 avi_if.checksum = intel_sdvo_calc_hbuf_csum((uint8_t *)&avi_if,

982 4 + avi_if.len);

983 return intel_sdvo_set_hdmi_buf(intel_sdvo, 1, (uint8_t *)&avi_if,

984 4 + avi_if.len,

985 SDVO_HBUF_TX_VSYNC);

986 }

987

988 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)

989 {

990 struct intel_sdvo_tv_format format;

991 uint32_t format_map;

992

993 format_map = 1 << intel_sdvo->tv_format_index;

994 memset(&format, 0, sizeof(format));

995 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));

996

997 BUILD_BUG_ON(sizeof(format) != 6);

998 return intel_sdvo_set_value(intel_sdvo,

999 SDVO_CMD_SET_TV_FORMAT,

1000 &format, sizeof(format));

1001 }

1002

1003 static bool

1004 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,

1005 struct drm_display_mode *mode)

1006 {

1007 struct intel_sdvo_dtd output_dtd;

1008

1009 if (!intel_sdvo_set_target_output(intel_sdvo,

1010 intel_sdvo->attached_output))

1011 return false;

1012

1013 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);

1014 if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))

1015 return false;

1016

1017 return true;

1018 }

1019

1020 static bool

1021 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,

1022 struct drm_display_mode *mode,

1023 struct drm_display_mode *adjusted_mode)

1024 {

1025 struct intel_sdvo_dtd input_dtd;

1026

1027 /* Reset the input timing to the screen. Assume always input 0. */

1028 if (!intel_sdvo_set_target_input(intel_sdvo))

1029 return false;

1030

1031 if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,

1032 mode->clock / 10,

1033 mode->hdisplay,

1034 mode->vdisplay))

1035 return false;

1036

1037 if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,

1038 &input_dtd))

1039 return false;

1040

1041 intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);

1042 intel_sdvo->sdvo_flags = input_dtd.part2.sdvo_flags;

1043

1044 drm_mode_set_crtcinfo(adjusted_mode, 0);

1045 mode->clock = adjusted_mode->clock;

1046 return true;

1047 }

1048

1049 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,

1050 struct drm_display_mode *mode,

1051 struct drm_display_mode *adjusted_mode)

1052 {

1053 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1054

1055 /* We need to construct preferred input timings based on our

1056 * output timings. To do that, we have to set the output

1057 * timings, even though this isn't really the right place in

1058 * the sequence to do it. Oh well.

1059 */

1060 if (intel_sdvo->is_tv) {

1061 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))

1062 return false;

1063

1064 if (!intel_sdvo_set_input_timings_for_mode(intel_sdvo, mode, adjusted_mode))

1065 return false;

1066 } else if (intel_sdvo->is_lvds) {

1067 drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode, 0);

1068

1069 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,

1070 intel_sdvo->sdvo_lvds_fixed_mode))

1071 return false;

1072

1073 if (!intel_sdvo_set_input_timings_for_mode(intel_sdvo, mode, adjusted_mode))

1074 return false;

1075 }

1076

1077 /* Make the CRTC code factor in the SDVO pixel multiplier. The

1078 * SDVO device will be told of the multiplier during mode_set.

1079 */

1080 adjusted_mode->clock *= intel_sdvo_get_pixel_multiplier(mode);

1081

1082 return true;

1083 }

1084

1085 static void intel_sdvo_mode_set(struct drm_encoder *encoder,

1086 struct drm_display_mode *mode,

1087 struct drm_display_mode *adjusted_mode)

1088 {

1089 struct drm_device *dev = encoder->dev;

1090 struct drm_i915_private *dev_priv = dev->dev_private;

1091 struct drm_crtc *crtc = encoder->crtc;

1092 struct intel_crtc *intel_crtc = to_intel_crtc(crtc);

1093 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1094 u32 sdvox = 0;

1095 int sdvo_pixel_multiply, rate;

1096 struct intel_sdvo_in_out_map in_out;

1097 struct intel_sdvo_dtd input_dtd;

1098

1099 if (!mode)

1100 return;

1101

1102 /* First, set the input mapping for the first input to our controlled

1103 * output. This is only correct if we're a single-input device, in

1104 * which case the first input is the output from the appropriate SDVO

1105 * channel on the motherboard. In a two-input device, the first input

1106 * will be SDVOB and the second SDVOC.

1107 */

1108 in_out.in0 = intel_sdvo->attached_output;

1109 in_out.in1 = 0;

1110

1111 if (!intel_sdvo_set_value(intel_sdvo,

1112 SDVO_CMD_SET_IN_OUT_MAP,

1113 &in_out, sizeof(in_out)))

1114 return;

1115

1116 if (intel_sdvo->is_hdmi) {

1117 if (!intel_sdvo_set_avi_infoframe(intel_sdvo, mode))

1118 return;

1119

1120 sdvox |= SDVO_AUDIO_ENABLE;

1121 }

1122

1123 /* We have tried to get input timing in mode_fixup, and filled into

1124 adjusted_mode */

1125 if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {

1126 intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);

1127 input_dtd.part2.sdvo_flags = intel_sdvo->sdvo_flags;

1128 } else

1129 intel_sdvo_get_dtd_from_mode(&input_dtd, mode);

1130

1131 /* If it's a TV, we already set the output timing in mode_fixup.

1132 * Otherwise, the output timing is equal to the input timing.

1133 */

1134 if (!intel_sdvo->is_tv && !intel_sdvo->is_lvds) {

1135 /* Set the output timing to the screen */

1136 if (!intel_sdvo_set_target_output(intel_sdvo,

1137 intel_sdvo->attached_output))

1138 return;

1139

1140 if (!intel_sdvo_set_output_timing(intel_sdvo, &input_dtd))

1141 return;

1142 }

1143

1144 /* Set the input timing to the screen. Assume always input 0. */

1145 if (!intel_sdvo_set_target_input(intel_sdvo))

1146 return;

1147

1148 if (intel_sdvo->is_tv) {

1149 if (!intel_sdvo_set_tv_format(intel_sdvo))

1150 return;

1151 }

1152

1153 /* We would like to use intel_sdvo_create_preferred_input_timing() to

1154 * provide the device with a timing it can support, if it supports that

1155 * feature. However, presumably we would need to adjust the CRTC to

1156 * output the preferred timing, and we don't support that currently.

1157 */

1158 #if 0

1159 success = intel_sdvo_create_preferred_input_timing(encoder, clock,

1160 width, height);

1161 if (success) {

1162 struct intel_sdvo_dtd *input_dtd;

1163

1164 intel_sdvo_get_preferred_input_timing(encoder, &input_dtd);

1165 intel_sdvo_set_input_timing(encoder, &input_dtd);

1166 }

1167 #else

1168 if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))

1169 return;

1170 #endif

1171

1172 sdvo_pixel_multiply = intel_sdvo_get_pixel_multiplier(mode);

1173 switch (sdvo_pixel_multiply) {

1174 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;

1175 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;

1176 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;

1177 }

1178 if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))

1179 return;

1180

1181 /* Set the SDVO control regs. */

1182 if (IS_I965G(dev)) {

1183 sdvox |= SDVO_BORDER_ENABLE;

1184 if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)

1185 sdvox |= SDVO_VSYNC_ACTIVE_HIGH;

1186 if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)

1187 sdvox |= SDVO_HSYNC_ACTIVE_HIGH;

1188 } else {

1189 sdvox |= I915_READ(intel_sdvo->sdvo_reg);

1190 switch (intel_sdvo->sdvo_reg) {

1191 case SDVOB:

1192 sdvox &= SDVOB_PRESERVE_MASK;

1193 break;

1194 case SDVOC:

1195 sdvox &= SDVOC_PRESERVE_MASK;

1196 break;

1197 }

1198 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;

1199 }

1200 if (intel_crtc->pipe == 1)

1201 sdvox |= SDVO_PIPE_B_SELECT;

1202

1203 if (IS_I965G(dev)) {

1204 /* done in crtc_mode_set as the dpll_md reg must be written early */

1205 } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {

1206 /* done in crtc_mode_set as it lives inside the dpll register */

1207 } else {

1208 sdvox |= (sdvo_pixel_multiply - 1) << SDVO_PORT_MULTIPLY_SHIFT;

1209 }

1210

1211 if (intel_sdvo->sdvo_flags & SDVO_NEED_TO_STALL)

1212 sdvox |= SDVO_STALL_SELECT;

1213 intel_sdvo_write_sdvox(intel_sdvo, sdvox);

1214 }

1215

1216 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)

1217 {

1218 struct drm_device *dev = encoder->dev;

1219 struct drm_i915_private *dev_priv = dev->dev_private;

1220 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1221 struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);

1222 u32 temp;

1223

1224 if (mode != DRM_MODE_DPMS_ON) {

1225 intel_sdvo_set_active_outputs(intel_sdvo, 0);

1226 if (0)

1227 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);

1228

1229 if (mode == DRM_MODE_DPMS_OFF) {

1230 temp = I915_READ(intel_sdvo->sdvo_reg);

1231 if ((temp & SDVO_ENABLE) != 0) {

1232 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);

1233 }

1234 }

1235 } else {

1236 bool input1, input2;

1237 int i;

1238 u8 status;

1239

1240 temp = I915_READ(intel_sdvo->sdvo_reg);

1241 if ((temp & SDVO_ENABLE) == 0)

1242 intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);

1243 for (i = 0; i < 2; i++)

1244 intel_wait_for_vblank(dev, intel_crtc->pipe);

1245

1246 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);

1247 /* Warn if the device reported failure to sync.

1248 * A lot of SDVO devices fail to notify of sync, but it's

1249 * a given it the status is a success, we succeeded.

1250 */

1251 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {

1252 DRM_DEBUG_KMS("First %s output reported failure to "

1253 "sync\n", SDVO_NAME(intel_sdvo));

1254 }

1255

1256 if (0)

1257 intel_sdvo_set_encoder_power_state(intel_sdvo, mode);

1258 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);

1259 }

1260 return;

1261 }

1262

1263 static int intel_sdvo_mode_valid(struct drm_connector *connector,

1264 struct drm_display_mode *mode)

1265 {

1266 struct drm_encoder *encoder = intel_attached_encoder(connector);

1267 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1268

1269 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)

1270 return MODE_NO_DBLESCAN;

1271

1272 if (intel_sdvo->pixel_clock_min > mode->clock)

1273 return MODE_CLOCK_LOW;

1274

1275 if (intel_sdvo->pixel_clock_max < mode->clock)

1276 return MODE_CLOCK_HIGH;

1277

1278 if (intel_sdvo->is_lvds) {

1279 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)

1280 return MODE_PANEL;

1281

1282 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)

1283 return MODE_PANEL;

1284 }

1285

1286 return MODE_OK;

1287 }

1288

1289 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)

1290 {

1291 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DEVICE_CAPS, caps, sizeof(*caps));

1292 }

1293

1294 /* No use! */

1295 #if 0

1296 struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB)

1297 {

1298 struct drm_connector *connector = NULL;

1299 struct intel_sdvo *iout = NULL;

1300 struct intel_sdvo *sdvo;

1301

1302 /* find the sdvo connector */

1303 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {

1304 iout = to_intel_sdvo(connector);

1305

1306 if (iout->type != INTEL_OUTPUT_SDVO)

1307 continue;

1308

1309 sdvo = iout->dev_priv;

1310

1311 if (sdvo->sdvo_reg == SDVOB && sdvoB)

1312 return connector;

1313

1314 if (sdvo->sdvo_reg == SDVOC && !sdvoB)

1315 return connector;

1316

1317 }

1318

1319 return NULL;

1320 }

1321

1322 int intel_sdvo_supports_hotplug(struct drm_connector *connector)

1323 {

1324 u8 response[2];

1325 u8 status;

1326 struct intel_sdvo *intel_sdvo;

1327 DRM_DEBUG_KMS("\n");

1328

1329 if (!connector)

1330 return 0;

1331

1332 intel_sdvo = to_intel_sdvo(connector);

1333

1334 return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,

1335 &response, 2) && response[0];

1336 }

1337

1338 void intel_sdvo_set_hotplug(struct drm_connector *connector, int on)

1339 {

1340 u8 response[2];

1341 u8 status;

1342 struct intel_sdvo *intel_sdvo = to_intel_sdvo(connector);

1343

1344 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);

1345 intel_sdvo_read_response(intel_sdvo, &response, 2);

1346

1347 if (on) {

1348 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);

1349 status = intel_sdvo_read_response(intel_sdvo, &response, 2);

1350

1351 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);

1352 } else {

1353 response[0] = 0;

1354 response[1] = 0;

1355 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);

1356 }

1357

1358 intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);

1359 intel_sdvo_read_response(intel_sdvo, &response, 2);

1360 }

1361 #endif

1362

1363 static bool

1364 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)

1365 {

1366 int caps = 0;

1367

1368 if (intel_sdvo->caps.output_flags &

1369 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))

1370 caps++;

1371 if (intel_sdvo->caps.output_flags &

1372 (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))

1373 caps++;

1374 if (intel_sdvo->caps.output_flags &

1375 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))

1376 caps++;

1377 if (intel_sdvo->caps.output_flags &

1378 (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))

1379 caps++;

1380 if (intel_sdvo->caps.output_flags &

1381 (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))

1382 caps++;

1383

1384 if (intel_sdvo->caps.output_flags &

1385 (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))

1386 caps++;

1387

1388 if (intel_sdvo->caps.output_flags &

1389 (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))

1390 caps++;

1391

1392 return (caps > 1);

1393 }

1394

1395 static struct drm_connector *

1396 intel_find_analog_connector(struct drm_device *dev)

1397 {

1398 struct drm_connector *connector;

1399 struct drm_encoder *encoder;

1400 struct intel_sdvo *intel_sdvo;

1401

1402 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {

1403 intel_sdvo = enc_to_intel_sdvo(encoder);

1404 if (intel_sdvo->base.type == INTEL_OUTPUT_ANALOG) {

1405 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {

1406 if (encoder == intel_attached_encoder(connector))

1407 return connector;

1408 }

1409 }

1410 }

1411 return NULL;

1412 }

1413

1414 static int

1415 intel_analog_is_connected(struct drm_device *dev)

1416 {

1417 struct drm_connector *analog_connector;

1418

1419 analog_connector = intel_find_analog_connector(dev);

1420 if (!analog_connector)

1421 return false;

1422

1423 if (analog_connector->funcs->detect(analog_connector) ==

1424 connector_status_disconnected)

1425 return false;

1426

1427 return true;

1428 }

1429

1430 enum drm_connector_status

1431 intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)

1432 {

1433 struct drm_encoder *encoder = intel_attached_encoder(connector);

1434 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1435 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);

1436 enum drm_connector_status status = connector_status_connected;

1437 struct edid *edid = NULL;

1438

1439 edid = drm_get_edid(connector, intel_sdvo->base.ddc_bus);

1440

1441 /* This is only applied to SDVO cards with multiple outputs */

1442 if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {

1443 uint8_t saved_ddc, temp_ddc;

1444 saved_ddc = intel_sdvo->ddc_bus;

1445 temp_ddc = intel_sdvo->ddc_bus >> 1;

1446 /*

1447 * Don't use the 1 as the argument of DDC bus switch to get

1448 * the EDID. It is used for SDVO SPD ROM.

1449 */

1450 while(temp_ddc > 1) {

1451 intel_sdvo->ddc_bus = temp_ddc;

1452 edid = drm_get_edid(connector, intel_sdvo->base.ddc_bus);

1453 if (edid) {

1454 /*

1455 * When we can get the EDID, maybe it is the

1456 * correct DDC bus. Update it.

1457 */

1458 intel_sdvo->ddc_bus = temp_ddc;

1459 break;

1460 }

1461 temp_ddc >>= 1;

1462 }

1463 if (edid == NULL)

1464 intel_sdvo->ddc_bus = saved_ddc;

1465 }

1466 /* when there is no edid and no monitor is connected with VGA

1467 * port, try to use the CRT ddc to read the EDID for DVI-connector

1468 */

1469 if (edid == NULL && intel_sdvo->analog_ddc_bus &&

1470 !intel_analog_is_connected(connector->dev))

1471 edid = drm_get_edid(connector, intel_sdvo->analog_ddc_bus);

1472

1473 if (edid != NULL) {

1474 bool is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);

1475 bool need_digital = !!(intel_sdvo_connector->output_flag & SDVO_TMDS_MASK);

1476

1477 /* DDC bus is shared, match EDID to connector type */

1478 if (is_digital && need_digital)

1479 intel_sdvo->is_hdmi = drm_detect_hdmi_monitor(edid);

1480 else if (is_digital != need_digital)

1481 status = connector_status_disconnected;

1482

1483 connector->display_info.raw_edid = NULL;

1484 } else

1485 status = connector_status_disconnected;

1486

1487 kfree(edid);

1488

1489 return status;

1490 }

1491

1492 static enum drm_connector_status intel_sdvo_detect(struct drm_connector *connector)

1493 {

1494 uint16_t response;

1495 struct drm_encoder *encoder = intel_attached_encoder(connector);

1496 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1497 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);

1498 enum drm_connector_status ret;

1499

1500 if (!intel_sdvo_write_cmd(intel_sdvo,

1501 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))

1502 return connector_status_unknown;

1503 if (intel_sdvo->is_tv) {

1504 /* add 30ms delay when the output type is SDVO-TV */

1505 mdelay(30);

1506 }

1507 if (!intel_sdvo_read_response(intel_sdvo, &response, 2))

1508 return connector_status_unknown;

1509

1510 DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);

1511

1512 if (response == 0)

1513 return connector_status_disconnected;

1514

1515 intel_sdvo->attached_output = response;

1516

1517 if ((intel_sdvo_connector->output_flag & response) == 0)

1518 ret = connector_status_disconnected;

1519 else if (response & SDVO_TMDS_MASK)

1520 ret = intel_sdvo_hdmi_sink_detect(connector);

1521 else

1522 ret = connector_status_connected;

1523

1524 /* May update encoder flag for like clock for SDVO TV, etc.*/

1525 if (ret == connector_status_connected) {

1526 intel_sdvo->is_tv = false;

1527 intel_sdvo->is_lvds = false;

1528 intel_sdvo->base.needs_tv_clock = false;

1529

1530 if (response & SDVO_TV_MASK) {

1531 intel_sdvo->is_tv = true;

1532 intel_sdvo->base.needs_tv_clock = true;

1533 }

1534 if (response & SDVO_LVDS_MASK)

1535 intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;

1536 }

1537

1538 return ret;

1539 }

1540

1541 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)

1542 {

1543 struct drm_encoder *encoder = intel_attached_encoder(connector);

1544 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1545 int num_modes;

1546

1547 /* set the bus switch and get the modes */

1548 num_modes = intel_ddc_get_modes(connector, intel_sdvo->base.ddc_bus);

1549

1550 /*

1551 * Mac mini hack. On this device, the DVI-I connector shares one DDC

1552 * link between analog and digital outputs. So, if the regular SDVO

1553 * DDC fails, check to see if the analog output is disconnected, in

1554 * which case we'll look there for the digital DDC data.

1555 */

1556 if (num_modes == 0 &&

1557 intel_sdvo->analog_ddc_bus &&

1558 !intel_analog_is_connected(connector->dev)) {

1559 /* Switch to the analog ddc bus and try that

1560 */

1561 (void) intel_ddc_get_modes(connector, intel_sdvo->analog_ddc_bus);

1562 }

1563 }

1564

1565 /*

1566 * Set of SDVO TV modes.

1567 * Note! This is in reply order (see loop in get_tv_modes).

1568 * XXX: all 60Hz refresh?

1569 */

1570 struct drm_display_mode sdvo_tv_modes[] = {

1571 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,

1572 416, 0, 200, 201, 232, 233, 0,

1573 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1574 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,

1575 416, 0, 240, 241, 272, 273, 0,

1576 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1577 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,

1578 496, 0, 300, 301, 332, 333, 0,

1579 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1580 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,

1581 736, 0, 350, 351, 382, 383, 0,

1582 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1583 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,

1584 736, 0, 400, 401, 432, 433, 0,

1585 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1586 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,

1587 736, 0, 480, 481, 512, 513, 0,

1588 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1589 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,

1590 800, 0, 480, 481, 512, 513, 0,

1591 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1592 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,

1593 800, 0, 576, 577, 608, 609, 0,

1594 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1595 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,

1596 816, 0, 350, 351, 382, 383, 0,

1597 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1598 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,

1599 816, 0, 400, 401, 432, 433, 0,

1600 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1601 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,

1602 816, 0, 480, 481, 512, 513, 0,

1603 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1604 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,

1605 816, 0, 540, 541, 572, 573, 0,

1606 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1607 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,

1608 816, 0, 576, 577, 608, 609, 0,

1609 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1610 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,

1611 864, 0, 576, 577, 608, 609, 0,

1612 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1613 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,

1614 896, 0, 600, 601, 632, 633, 0,

1615 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1616 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,

1617 928, 0, 624, 625, 656, 657, 0,

1618 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1619 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,

1620 1016, 0, 766, 767, 798, 799, 0,

1621 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1622 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,

1623 1120, 0, 768, 769, 800, 801, 0,

1624 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1625 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,

1626 1376, 0, 1024, 1025, 1056, 1057, 0,

1627 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },

1628 };

1629

1630 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)

1631 {

1632 struct drm_encoder *encoder = intel_attached_encoder(connector);

1633 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1634 struct intel_sdvo_sdtv_resolution_request tv_res;

1635 uint32_t reply = 0, format_map = 0;

1636 int i;

1637

1638 /* Read the list of supported input resolutions for the selected TV

1639 * format.

1640 */

1641 format_map = 1 << intel_sdvo->tv_format_index;

1642 memcpy(&tv_res, &format_map,

1643 min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));

1644

1645 if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))

1646 return;

1647

1648 BUILD_BUG_ON(sizeof(tv_res) != 3);

1649 if (!intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,

1650 &tv_res, sizeof(tv_res)))

1651 return;

1652 if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))

1653 return;

1654

1655 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)

1656 if (reply & (1 << i)) {

1657 struct drm_display_mode *nmode;

1658 nmode = drm_mode_duplicate(connector->dev,

1659 &sdvo_tv_modes[i]);

1660 if (nmode)

1661 drm_mode_probed_add(connector, nmode);

1662 }

1663 }

1664

1665 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)

1666 {

1667 struct drm_encoder *encoder = intel_attached_encoder(connector);

1668 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1669 struct drm_i915_private *dev_priv = connector->dev->dev_private;

1670 struct drm_display_mode *newmode;

1671

1672 /*

1673 * Attempt to get the mode list from DDC.

1674 * Assume that the preferred modes are

1675 * arranged in priority order.

1676 */

1677 intel_ddc_get_modes(connector, intel_sdvo->base.ddc_bus);

1678 if (list_empty(&connector->probed_modes) == false)

1679 goto end;

1680

1681 /* Fetch modes from VBT */

1682 if (dev_priv->sdvo_lvds_vbt_mode != NULL) {

1683 newmode = drm_mode_duplicate(connector->dev,

1684 dev_priv->sdvo_lvds_vbt_mode);

1685 if (newmode != NULL) {

1686 /* Guarantee the mode is preferred */

1687 newmode->type = (DRM_MODE_TYPE_PREFERRED |

1688 DRM_MODE_TYPE_DRIVER);

1689 drm_mode_probed_add(connector, newmode);

1690 }

1691 }

1692

1693 end:

1694 list_for_each_entry(newmode, &connector->probed_modes, head) {

1695 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {

1696 intel_sdvo->sdvo_lvds_fixed_mode =

1697 drm_mode_duplicate(connector->dev, newmode);

1698 intel_sdvo->is_lvds = true;

1699 break;

1700 }

1701 }

1702

1703 }

1704

1705 static int intel_sdvo_get_modes(struct drm_connector *connector)

1706 {

1707 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);

1708

1709 if (IS_TV(intel_sdvo_connector))

1710 intel_sdvo_get_tv_modes(connector);

1711 else if (IS_LVDS(intel_sdvo_connector))

1712 intel_sdvo_get_lvds_modes(connector);

1713 else

1714 intel_sdvo_get_ddc_modes(connector);

1715

1716 return !list_empty(&connector->probed_modes);

1717 }

1718

1719 static void

1720 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)

1721 {

1722 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);

1723 struct drm_device *dev = connector->dev;

1724

1725 if (intel_sdvo_connector->left)

1726 drm_property_destroy(dev, intel_sdvo_connector->left);

1727 if (intel_sdvo_connector->right)

1728 drm_property_destroy(dev, intel_sdvo_connector->right);

1729 if (intel_sdvo_connector->top)

1730 drm_property_destroy(dev, intel_sdvo_connector->top);

1731 if (intel_sdvo_connector->bottom)

1732 drm_property_destroy(dev, intel_sdvo_connector->bottom);

1733 if (intel_sdvo_connector->hpos)

1734 drm_property_destroy(dev, intel_sdvo_connector->hpos);

1735 if (intel_sdvo_connector->vpos)

1736 drm_property_destroy(dev, intel_sdvo_connector->vpos);

1737 if (intel_sdvo_connector->saturation)

1738 drm_property_destroy(dev, intel_sdvo_connector->saturation);

1739 if (intel_sdvo_connector->contrast)

1740 drm_property_destroy(dev, intel_sdvo_connector->contrast);

1741 if (intel_sdvo_connector->hue)

1742 drm_property_destroy(dev, intel_sdvo_connector->hue);

1743 if (intel_sdvo_connector->sharpness)

1744 drm_property_destroy(dev, intel_sdvo_connector->sharpness);

1745 if (intel_sdvo_connector->flicker_filter)

1746 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);

1747 if (intel_sdvo_connector->flicker_filter_2d)

1748 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);

1749 if (intel_sdvo_connector->flicker_filter_adaptive)

1750 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);

1751 if (intel_sdvo_connector->tv_luma_filter)

1752 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);

1753 if (intel_sdvo_connector->tv_chroma_filter)

1754 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);

1755 if (intel_sdvo_connector->dot_crawl)

1756 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);

1757 if (intel_sdvo_connector->brightness)

1758 drm_property_destroy(dev, intel_sdvo_connector->brightness);

1759 }

1760

1761 static void intel_sdvo_destroy(struct drm_connector *connector)

1762 {

1763 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);

1764

1765 if (intel_sdvo_connector->tv_format)

1766 drm_property_destroy(connector->dev,

1767 intel_sdvo_connector->tv_format);

1768

1769 intel_sdvo_destroy_enhance_property(connector);

1770 drm_sysfs_connector_remove(connector);

1771 drm_connector_cleanup(connector);

1772 kfree(connector);

1773 }

1774

1775 static int

1776 intel_sdvo_set_property(struct drm_connector *connector,

1777 struct drm_property *property,

1778 uint64_t val)

1779 {

1780 struct drm_encoder *encoder = intel_attached_encoder(connector);

1781 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1782 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);

1783 uint16_t temp_value;

1784 uint8_t cmd;

1785 int ret;

1786

1787 ret = drm_connector_property_set_value(connector, property, val);

1788 if (ret)

1789 return ret;

1790

1791 #define CHECK_PROPERTY(name, NAME) \

1792 if (intel_sdvo_connector->name == property) { \

1793 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \

1794 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \

1795 cmd = SDVO_CMD_SET_##NAME; \

1796 intel_sdvo_connector->cur_##name = temp_value; \

1797 goto set_value; \

1798 }

1799

1800 if (property == intel_sdvo_connector->tv_format) {

1801 if (val >= TV_FORMAT_NUM)

1802 return -EINVAL;

1803

1804 if (intel_sdvo->tv_format_index ==

1805 intel_sdvo_connector->tv_format_supported[val])

1806 return 0;

1807

1808 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];

1809 goto done;

1810 } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {

1811 temp_value = val;

1812 if (intel_sdvo_connector->left == property) {

1813 drm_connector_property_set_value(connector,

1814 intel_sdvo_connector->right, val);

1815 if (intel_sdvo_connector->left_margin == temp_value)

1816 return 0;

1817

1818 intel_sdvo_connector->left_margin = temp_value;

1819 intel_sdvo_connector->right_margin = temp_value;

1820 temp_value = intel_sdvo_connector->max_hscan -

1821 intel_sdvo_connector->left_margin;

1822 cmd = SDVO_CMD_SET_OVERSCAN_H;

1823 goto set_value;

1824 } else if (intel_sdvo_connector->right == property) {

1825 drm_connector_property_set_value(connector,

1826 intel_sdvo_connector->left, val);

1827 if (intel_sdvo_connector->right_margin == temp_value)

1828 return 0;

1829

1830 intel_sdvo_connector->left_margin = temp_value;

1831 intel_sdvo_connector->right_margin = temp_value;

1832 temp_value = intel_sdvo_connector->max_hscan -

1833 intel_sdvo_connector->left_margin;

1834 cmd = SDVO_CMD_SET_OVERSCAN_H;

1835 goto set_value;

1836 } else if (intel_sdvo_connector->top == property) {

1837 drm_connector_property_set_value(connector,

1838 intel_sdvo_connector->bottom, val);

1839 if (intel_sdvo_connector->top_margin == temp_value)

1840 return 0;

1841

1842 intel_sdvo_connector->top_margin = temp_value;

1843 intel_sdvo_connector->bottom_margin = temp_value;

1844 temp_value = intel_sdvo_connector->max_vscan -

1845 intel_sdvo_connector->top_margin;

1846 cmd = SDVO_CMD_SET_OVERSCAN_V;

1847 goto set_value;

1848 } else if (intel_sdvo_connector->bottom == property) {

1849 drm_connector_property_set_value(connector,

1850 intel_sdvo_connector->top, val);

1851 if (intel_sdvo_connector->bottom_margin == temp_value)

1852 return 0;

1853

1854 intel_sdvo_connector->top_margin = temp_value;

1855 intel_sdvo_connector->bottom_margin = temp_value;

1856 temp_value = intel_sdvo_connector->max_vscan -

1857 intel_sdvo_connector->top_margin;

1858 cmd = SDVO_CMD_SET_OVERSCAN_V;

1859 goto set_value;

1860 }

1861 CHECK_PROPERTY(hpos, HPOS)

1862 CHECK_PROPERTY(vpos, VPOS)

1863 CHECK_PROPERTY(saturation, SATURATION)

1864 CHECK_PROPERTY(contrast, CONTRAST)

1865 CHECK_PROPERTY(hue, HUE)

1866 CHECK_PROPERTY(brightness, BRIGHTNESS)

1867 CHECK_PROPERTY(sharpness, SHARPNESS)

1868 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)

1869 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)

1870 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)

1871 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)

1872 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)

1873 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)

1874 }

1875

1876 return -EINVAL; /* unknown property */

1877

1878 set_value:

1879 if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))

1880 return -EIO;

1881

1882

1883 done:

1884 if (encoder->crtc) {

1885 struct drm_crtc *crtc = encoder->crtc;

1886

1887 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,

1888 crtc->y, crtc->fb);

1889 }

1890

1891 return 0;

1892 #undef CHECK_PROPERTY

1893 }

1894

1895 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {

1896 .dpms = intel_sdvo_dpms,

1897 .mode_fixup = intel_sdvo_mode_fixup,

1898 .prepare = intel_encoder_prepare,

1899 .mode_set = intel_sdvo_mode_set,

1900 .commit = intel_encoder_commit,

1901 };

1902

1903 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {

1904 .dpms = drm_helper_connector_dpms,

1905 .detect = intel_sdvo_detect,

1906 .fill_modes = drm_helper_probe_single_connector_modes,

1907 .set_property = intel_sdvo_set_property,

1908 .destroy = intel_sdvo_destroy,

1909 };

1910

1911 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {

1912 .get_modes = intel_sdvo_get_modes,

1913 .mode_valid = intel_sdvo_mode_valid,

1914 .best_encoder = intel_attached_encoder,

1915 };

1916

1917 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)

1918 {

1919 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1920

1921 if (intel_sdvo->analog_ddc_bus)

1922 intel_i2c_destroy(intel_sdvo->analog_ddc_bus);

1923

1924 if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)

1925 drm_mode_destroy(encoder->dev,

1926 intel_sdvo->sdvo_lvds_fixed_mode);

1927

1928 intel_encoder_destroy(encoder);

1929 }

1930

1931 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {

1932 .destroy = intel_sdvo_enc_destroy,

1933 };

1934

1935

1936 /**

1937 * Choose the appropriate DDC bus for control bus switch command for this

1938 * SDVO output based on the controlled output.

1939 *

1940 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS

1941 * outputs, then LVDS outputs.

1942 */

1943 static void

1944 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,

1945 struct intel_sdvo *sdvo, u32 reg)

1946 {

1947 struct sdvo_device_mapping *mapping;

1948

1949 if (IS_SDVOB(reg))

1950 mapping = &(dev_priv->sdvo_mappings[0]);

1951 else

1952 mapping = &(dev_priv->sdvo_mappings[1]);

1953

1954 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);

1955 }

1956

1957 static bool

1958 intel_sdvo_get_digital_encoding_mode(struct intel_sdvo *intel_sdvo, int device)

1959 {

1960 return intel_sdvo_set_target_output(intel_sdvo,

1961 device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1) &&

1962 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE,

1963 &intel_sdvo->is_hdmi, 1);

1964 }

1965

1966 static struct intel_sdvo *

1967 intel_sdvo_chan_to_intel_sdvo(struct intel_i2c_chan *chan)

1968 {

1969 struct drm_device *dev = chan->drm_dev;

1970 struct drm_encoder *encoder;

1971

1972 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {

1973 struct intel_sdvo *intel_sdvo = enc_to_intel_sdvo(encoder);

1974 if (intel_sdvo->base.ddc_bus == &chan->adapter)

1975 return intel_sdvo;

1976 }

1977

1978 return NULL;

1979 }

1980

1981 static int intel_sdvo_master_xfer(struct i2c_adapter *i2c_adap,

1982 struct i2c_msg msgs[], int num)

1983 {

1984 struct intel_sdvo *intel_sdvo;

1985 struct i2c_algo_bit_data *algo_data;

1986 const struct i2c_algorithm *algo;

1987

1988 algo_data = (struct i2c_algo_bit_data *)i2c_adap->algo_data;

1989 intel_sdvo =

1990 intel_sdvo_chan_to_intel_sdvo((struct intel_i2c_chan *)

1991 (algo_data->data));

1992 if (intel_sdvo == NULL)

1993 return -EINVAL;

1994

1995 algo = intel_sdvo->base.i2c_bus->algo;

1996

1997 intel_sdvo_set_control_bus_switch(intel_sdvo, intel_sdvo->ddc_bus);

1998 return algo->master_xfer(i2c_adap, msgs, num);

1999 }

2000

2001 static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {

2002 .master_xfer = intel_sdvo_master_xfer,

2003 };

2004

2005 static u8

2006 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)

2007 {

2008 struct drm_i915_private *dev_priv = dev->dev_private;

2009 struct sdvo_device_mapping *my_mapping, *other_mapping;

2010

2011 if (IS_SDVOB(sdvo_reg)) {

2012 my_mapping = &dev_priv->sdvo_mappings[0];

2013 other_mapping = &dev_priv->sdvo_mappings[1];

2014 } else {

2015 my_mapping = &dev_priv->sdvo_mappings[1];

2016 other_mapping = &dev_priv->sdvo_mappings[0];

2017 }

2018

2019 /* If the BIOS described our SDVO device, take advantage of it. */

2020 if (my_mapping->slave_addr)

2021 return my_mapping->slave_addr;

2022

2023 /* If the BIOS only described a different SDVO device, use the

2024 * address that it isn't using.

2025 */

2026 if (other_mapping->slave_addr) {

2027 if (other_mapping->slave_addr == 0x70)

2028 return 0x72;

2029 else

2030 return 0x70;

2031 }

2032

2033 /* No SDVO device info is found for another DVO port,

2034 * so use mapping assumption we had before BIOS parsing.

2035 */

2036 if (IS_SDVOB(sdvo_reg))

2037 return 0x70;

2038 else

2039 return 0x72;

2040 }

2041

2042 static void

2043 intel_sdvo_connector_init(struct drm_encoder *encoder,

2044 struct drm_connector *connector)

2045 {

2046 drm_connector_init(encoder->dev, connector, &intel_sdvo_connector_funcs,

2047 connector->connector_type);

2048

2049 drm_connector_helper_add(connector, &intel_sdvo_connector_helper_funcs);

2050

2051 connector->interlace_allowed = 0;

2052 connector->doublescan_allowed = 0;

2053 connector->display_info.subpixel_order = SubPixelHorizontalRGB;

2054

2055 drm_mode_connector_attach_encoder(connector, encoder);

2056 drm_sysfs_connector_add(connector);

2057 }

2058

2059 static bool

2060 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)

2061 {

2062 struct drm_encoder *encoder = &intel_sdvo->base.enc;

2063 struct drm_connector *connector;

2064 struct intel_connector *intel_connector;

2065 struct intel_sdvo_connector *intel_sdvo_connector;

2066

2067 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);

2068 if (!intel_sdvo_connector)

2069 return false;

2070

2071 if (device == 0) {

2072 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;

2073 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;

2074 } else if (device == 1) {

2075 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;

2076 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;

2077 }

2078

2079 intel_connector = &intel_sdvo_connector->base;

2080 connector = &intel_connector->base;

2081 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;

2082 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;

2083 connector->connector_type = DRM_MODE_CONNECTOR_DVID;

2084

2085 if (intel_sdvo_get_supp_encode(intel_sdvo, &intel_sdvo->encode)

2086 && intel_sdvo_get_digital_encoding_mode(intel_sdvo, device)

2087 && intel_sdvo->is_hdmi) {

2088 /* enable hdmi encoding mode if supported */

2089 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);

2090 intel_sdvo_set_colorimetry(intel_sdvo,

2091 SDVO_COLORIMETRY_RGB256);

2092 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;

2093 }

2094 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |

2095 (1 << INTEL_ANALOG_CLONE_BIT));

2096

2097 intel_sdvo_connector_init(encoder, connector);

2098

2099 return true;

2100 }

2101

2102 static bool

2103 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)

2104 {

2105 struct drm_encoder *encoder = &intel_sdvo->base.enc;

2106 struct drm_connector *connector;

2107 struct intel_connector *intel_connector;

2108 struct intel_sdvo_connector *intel_sdvo_connector;

2109

2110 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);

2111 if (!intel_sdvo_connector)

2112 return false;

2113

2114 intel_connector = &intel_sdvo_connector->base;

2115 connector = &intel_connector->base;

2116 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;

2117 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;

2118

2119 intel_sdvo->controlled_output |= type;

2120 intel_sdvo_connector->output_flag = type;

2121

2122 intel_sdvo->is_tv = true;

2123 intel_sdvo->base.needs_tv_clock = true;

2124 intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;

2125

2126 intel_sdvo_connector_init(encoder, connector);

2127

2128 if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))

2129 goto err;

2130

2131 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))

2132 goto err;

2133

2134 return true;

2135

2136 err:

2137 intel_sdvo_destroy_enhance_property(connector);

2138 kfree(intel_sdvo_connector);

2139 return false;

2140 }

2141

2142 static bool

2143 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)

2144 {

2145 struct drm_encoder *encoder = &intel_sdvo->base.enc;

2146 struct drm_connector *connector;

2147 struct intel_connector *intel_connector;

2148 struct intel_sdvo_connector *intel_sdvo_connector;

2149

2150 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);

2151 if (!intel_sdvo_connector)

2152 return false;

2153

2154 intel_connector = &intel_sdvo_connector->base;

2155 connector = &intel_connector->base;

2156 connector->polled = DRM_CONNECTOR_POLL_CONNECT;

2157 encoder->encoder_type = DRM_MODE_ENCODER_DAC;

2158 connector->connector_type = DRM_MODE_CONNECTOR_VGA;

2159

2160 if (device == 0) {

2161 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;

2162 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;

2163 } else if (device == 1) {

2164 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;

2165 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;

2166 }

2167

2168 intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |

2169 (1 << INTEL_ANALOG_CLONE_BIT));

2170

2171 intel_sdvo_connector_init(encoder, connector);

2172 return true;

2173 }

2174

2175 static bool

2176 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)

2177 {

2178 struct drm_encoder *encoder = &intel_sdvo->base.enc;

2179 struct drm_connector *connector;

2180 struct intel_connector *intel_connector;

2181 struct intel_sdvo_connector *intel_sdvo_connector;

2182

2183 intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);

2184 if (!intel_sdvo_connector)

2185 return false;

2186

2187 intel_connector = &intel_sdvo_connector->base;

2188 connector = &intel_connector->base;

2189 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;

2190 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;

2191

2192 if (device == 0) {

2193 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;

2194 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;

2195 } else if (device == 1) {

2196 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;

2197 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;

2198 }

2199

2200 intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |

2201 (1 << INTEL_SDVO_LVDS_CLONE_BIT));

2202

2203 intel_sdvo_connector_init(encoder, connector);

2204 if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))

2205 goto err;

2206

2207 return true;

2208

2209 err:

2210 intel_sdvo_destroy_enhance_property(connector);

2211 kfree(intel_sdvo_connector);

2212 return false;

2213 }

2214

2215 static bool

2216 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)

2217 {

2218 intel_sdvo->is_tv = false;

2219 intel_sdvo->base.needs_tv_clock = false;

2220 intel_sdvo->is_lvds = false;

2221

2222 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/

2223

2224 if (flags & SDVO_OUTPUT_TMDS0)

2225 if (!intel_sdvo_dvi_init(intel_sdvo, 0))

2226 return false;

2227

2228 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)

2229 if (!intel_sdvo_dvi_init(intel_sdvo, 1))

2230 return false;

2231

2232 /* TV has no XXX1 function block */

2233 if (flags & SDVO_OUTPUT_SVID0)

2234 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))

2235 return false;

2236

2237 if (flags & SDVO_OUTPUT_CVBS0)

2238 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))

2239 return false;

2240

2241 if (flags & SDVO_OUTPUT_RGB0)

2242 if (!intel_sdvo_analog_init(intel_sdvo, 0))

2243 return false;

2244

2245 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)

2246 if (!intel_sdvo_analog_init(intel_sdvo, 1))

2247 return false;

2248

2249 if (flags & SDVO_OUTPUT_LVDS0)

2250 if (!intel_sdvo_lvds_init(intel_sdvo, 0))

2251 return false;

2252

2253 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)

2254 if (!intel_sdvo_lvds_init(intel_sdvo, 1))

2255 return false;

2256

2257 if ((flags & SDVO_OUTPUT_MASK) == 0) {

2258 unsigned char bytes[2];

2259

2260 intel_sdvo->controlled_output = 0;

2261 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);

2262 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",

2263 SDVO_NAME(intel_sdvo),

2264 bytes[0], bytes[1]);

2265 return false;

2266 }

2267 intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);

2268

2269 return true;

2270 }

2271

2272 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,

2273 struct intel_sdvo_connector *intel_sdvo_connector,

2274 int type)

2275 {

2276 struct drm_device *dev = intel_sdvo->base.enc.dev;

2277 struct intel_sdvo_tv_format format;

2278 uint32_t format_map, i;

2279

2280 if (!intel_sdvo_set_target_output(intel_sdvo, type))

2281 return false;

2282

2283 if (!intel_sdvo_get_value(intel_sdvo,

2284 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,

2285 &format, sizeof(format)))

2286 return false;

2287

2288 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));

2289

2290 if (format_map == 0)

2291 return false;

2292

2293 intel_sdvo_connector->format_supported_num = 0;

2294 for (i = 0 ; i < TV_FORMAT_NUM; i++)

2295 if (format_map & (1 << i))

2296 intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;

2297

2298

2299 intel_sdvo_connector->tv_format =

2300 drm_property_create(dev, DRM_MODE_PROP_ENUM,

2301 "mode", intel_sdvo_connector->format_supported_num);

2302 if (!intel_sdvo_connector->tv_format)

2303 return false;

2304

2305 for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)

2306 drm_property_add_enum(

2307 intel_sdvo_connector->tv_format, i,

2308 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);

2309

2310 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];

2311 drm_connector_attach_property(&intel_sdvo_connector->base.base,

2312 intel_sdvo_connector->tv_format, 0);

2313 return true;

2314

2315 }

2316

2317 #define ENHANCEMENT(name, NAME) do { \

2318 if (enhancements.name) { \

2319 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \

2320 !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \

2321 return false; \

2322 intel_sdvo_connector->max_##name = data_value[0]; \

2323 intel_sdvo_connector->cur_##name = response; \

2324 intel_sdvo_connector->name = \

2325 drm_property_create(dev, DRM_MODE_PROP_RANGE, #name, 2); \

2326 if (!intel_sdvo_connector->name) return false; \

2327 intel_sdvo_connector->name->values[0] = 0; \

2328 intel_sdvo_connector->name->values[1] = data_value[0]; \

2329 drm_connector_attach_property(connector, \

2330 intel_sdvo_connector->name, \

2331 intel_sdvo_connector->cur_##name); \

2332 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \

2333 data_value[0], data_value[1], response); \

2334 } \

2335 } while(0)

2336

2337 static bool

2338 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,

2339 struct intel_sdvo_connector *intel_sdvo_connector,

2340 struct intel_sdvo_enhancements_reply enhancements)

2341 {

2342 struct drm_device *dev = intel_sdvo->base.enc.dev;

2343 struct drm_connector *connector = &intel_sdvo_connector->base.base;

2344 uint16_t response, data_value[2];

2345

2346 /* when horizontal overscan is supported, Add the left/right property */

2347 if (enhancements.overscan_h) {

2348 if (!intel_sdvo_get_value(intel_sdvo,

2349 SDVO_CMD_GET_MAX_OVERSCAN_H,

2350 &data_value, 4))

2351 return false;

2352

2353 if (!intel_sdvo_get_value(intel_sdvo,

2354 SDVO_CMD_GET_OVERSCAN_H,

2355 &response, 2))

2356 return false;

2357

2358 intel_sdvo_connector->max_hscan = data_value[0];

2359 intel_sdvo_connector->left_margin = data_value[0] - response;

2360 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;

2361 intel_sdvo_connector->left =

2362 drm_property_create(dev, DRM_MODE_PROP_RANGE,

2363 "left_margin", 2);

2364 if (!intel_sdvo_connector->left)

2365 return false;

2366

2367 intel_sdvo_connector->left->values[0] = 0;

2368 intel_sdvo_connector->left->values[1] = data_value[0];

2369 drm_connector_attach_property(connector,

2370 intel_sdvo_connector->left,

2371 intel_sdvo_connector->left_margin);

2372

2373 intel_sdvo_connector->right =

2374 drm_property_create(dev, DRM_MODE_PROP_RANGE,

2375 "right_margin", 2);

2376 if (!intel_sdvo_connector->right)

2377 return false;

2378

2379 intel_sdvo_connector->right->values[0] = 0;

2380 intel_sdvo_connector->right->values[1] = data_value[0];

2381 drm_connector_attach_property(connector,

2382 intel_sdvo_connector->right,

2383 intel_sdvo_connector->right_margin);

2384 DRM_DEBUG_KMS("h_overscan: max %d, "

2385 "default %d, current %d\n",

2386 data_value[0], data_value[1], response);

2387 }

2388

2389 if (enhancements.overscan_v) {

2390 if (!intel_sdvo_get_value(intel_sdvo,

2391 SDVO_CMD_GET_MAX_OVERSCAN_V,

2392 &data_value, 4))

2393 return false;

2394

2395 if (!intel_sdvo_get_value(intel_sdvo,

2396 SDVO_CMD_GET_OVERSCAN_V,

2397 &response, 2))

2398 return false;

2399

2400 intel_sdvo_connector->max_vscan = data_value[0];

2401 intel_sdvo_connector->top_margin = data_value[0] - response;

2402 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;

2403 intel_sdvo_connector->top =

2404 drm_property_create(dev, DRM_MODE_PROP_RANGE,

2405 "top_margin", 2);

2406 if (!intel_sdvo_connector->top)

2407 return false;

2408

2409 intel_sdvo_connector->top->values[0] = 0;

2410 intel_sdvo_connector->top->values[1] = data_value[0];

2411 drm_connector_attach_property(connector,

2412 intel_sdvo_connector->top,

2413 intel_sdvo_connector->top_margin);

2414

2415 intel_sdvo_connector->bottom =

2416 drm_property_create(dev, DRM_MODE_PROP_RANGE,

2417 "bottom_margin", 2);

2418 if (!intel_sdvo_connector->bottom)

2419 return false;

2420

2421 intel_sdvo_connector->bottom->values[0] = 0;

2422 intel_sdvo_connector->bottom->values[1] = data_value[0];

2423 drm_connector_attach_property(connector,

2424 intel_sdvo_connector->bottom,

2425 intel_sdvo_connector->bottom_margin);

2426 DRM_DEBUG_KMS("v_overscan: max %d, "

2427 "default %d, current %d\n",

2428 data_value[0], data_value[1], response);

2429 }

2430

2431 ENHANCEMENT(hpos, HPOS);

2432 ENHANCEMENT(vpos, VPOS);

2433 ENHANCEMENT(saturation, SATURATION);

2434 ENHANCEMENT(contrast, CONTRAST);

2435 ENHANCEMENT(hue, HUE);

2436 ENHANCEMENT(sharpness, SHARPNESS);

2437 ENHANCEMENT(brightness, BRIGHTNESS);

2438 ENHANCEMENT(flicker_filter, FLICKER_FILTER);

2439 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);

2440 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);

2441 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);

2442 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);

2443

2444 if (enhancements.dot_crawl) {

2445 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))

2446 return false;

2447

2448 intel_sdvo_connector->max_dot_crawl = 1;

2449 intel_sdvo_connector->cur_dot_crawl = response & 0x1;

2450 intel_sdvo_connector->dot_crawl =

2451 drm_property_create(dev, DRM_MODE_PROP_RANGE, "dot_crawl", 2);

2452 if (!intel_sdvo_connector->dot_crawl)

2453 return false;

2454

2455 intel_sdvo_connector->dot_crawl->values[0] = 0;

2456 intel_sdvo_connector->dot_crawl->values[1] = 1;

2457 drm_connector_attach_property(connector,

2458 intel_sdvo_connector->dot_crawl,

2459 intel_sdvo_connector->cur_dot_crawl);

2460 DRM_DEBUG_KMS("dot crawl: current %d\n", response);

2461 }

2462

2463 return true;

2464 }

2465

2466 static bool

2467 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,

2468 struct intel_sdvo_connector *intel_sdvo_connector,

2469 struct intel_sdvo_enhancements_reply enhancements)

2470 {

2471 struct drm_device *dev = intel_sdvo->base.enc.dev;

2472 struct drm_connector *connector = &intel_sdvo_connector->base.base;

2473 uint16_t response, data_value[2];

2474

2475 ENHANCEMENT(brightness, BRIGHTNESS);

2476

2477 return true;

2478 }

2479 #undef ENHANCEMENT

2480

2481 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,

2482 struct intel_sdvo_connector *intel_sdvo_connector)

2483 {

2484 union {

2485 struct intel_sdvo_enhancements_reply reply;

2486 uint16_t response;

2487 } enhancements;

2488

2489 if (!intel_sdvo_get_value(intel_sdvo,

2490 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,

2491 &enhancements, sizeof(enhancements)))

2492 return false;

2493

2494 if (enhancements.response == 0) {

2495 DRM_DEBUG_KMS("No enhancement is supported\n");

2496 return true;

2497 }

2498

2499 if (IS_TV(intel_sdvo_connector))

2500 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);

2501 else if(IS_LVDS(intel_sdvo_connector))

2502 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);

2503 else

2504 return true;

2505

2506 }

2507

2508 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)

2509 {

2510 struct drm_i915_private *dev_priv = dev->dev_private;

2511 struct intel_encoder *intel_encoder;

2512 struct intel_sdvo *intel_sdvo;

2513 u8 ch[0x40];

2514 int i;

2515 u32 i2c_reg, ddc_reg, analog_ddc_reg;

2516

2517 intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);

2518 if (!intel_sdvo)

2519 return false;

2520

2521 intel_sdvo->sdvo_reg = sdvo_reg;

2522

2523 intel_encoder = &intel_sdvo->base;

2524 intel_encoder->type = INTEL_OUTPUT_SDVO;

2525

2526 if (HAS_PCH_SPLIT(dev)) {

2527 i2c_reg = PCH_GPIOE;

2528 ddc_reg = PCH_GPIOE;

2529 analog_ddc_reg = PCH_GPIOA;

2530 } else {

2531 i2c_reg = GPIOE;

2532 ddc_reg = GPIOE;

2533 analog_ddc_reg = GPIOA;

2534 }

2535

2536 /* setup the DDC bus. */

2537 if (IS_SDVOB(sdvo_reg))

2538 intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOB");

2539 else

2540 intel_encoder->i2c_bus = intel_i2c_create(dev, i2c_reg, "SDVOCTRL_E for SDVOC");

2541

2542 if (!intel_encoder->i2c_bus)

2543 goto err_inteloutput;

2544

2545 intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg);

2546

2547 /* Save the bit-banging i2c functionality for use by the DDC wrapper */

2548 intel_sdvo_i2c_bit_algo.functionality = intel_encoder->i2c_bus->algo->functionality;

2549

2550 /* Read the regs to test if we can talk to the device */

2551 for (i = 0; i < 0x40; i++) {

2552 if (!intel_sdvo_read_byte(intel_sdvo, i, &ch[i])) {

2553 DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",

2554 IS_SDVOB(sdvo_reg) ? 'B' : 'C');

2555 goto err_i2c;

2556 }

2557 }

2558

2559 /* setup the DDC bus. */

2560 if (IS_SDVOB(sdvo_reg)) {

2561 intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOB DDC BUS");

2562 intel_sdvo->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,

2563 "SDVOB/VGA DDC BUS");

2564 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;

2565 } else {

2566 intel_encoder->ddc_bus = intel_i2c_create(dev, ddc_reg, "SDVOC DDC BUS");

2567 intel_sdvo->analog_ddc_bus = intel_i2c_create(dev, analog_ddc_reg,

2568 "SDVOC/VGA DDC BUS");

2569 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;

2570 }

2571 if (intel_encoder->ddc_bus == NULL || intel_sdvo->analog_ddc_bus == NULL)

2572 goto err_i2c;

2573

2574 /* Wrap with our custom algo which switches to DDC mode */

2575 intel_encoder->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;

2576

2577 /* encoder type will be decided later */

2578 drm_encoder_init(dev, &intel_encoder->enc, &intel_sdvo_enc_funcs, 0);

2579 drm_encoder_helper_add(&intel_encoder->enc, &intel_sdvo_helper_funcs);

2580

2581 /* In default case sdvo lvds is false */

2582 if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))

2583 goto err_enc;

2584

2585 if (intel_sdvo_output_setup(intel_sdvo,

2586 intel_sdvo->caps.output_flags) != true) {

2587 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",

2588 IS_SDVOB(sdvo_reg) ? 'B' : 'C');

2589 goto err_enc;

2590 }

2591

2592 intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);

2593

2594 /* Set the input timing to the screen. Assume always input 0. */

2595 if (!intel_sdvo_set_target_input(intel_sdvo))

2596 goto err_enc;

2597

2598 if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,

2599 &intel_sdvo->pixel_clock_min,

2600 &intel_sdvo->pixel_clock_max))

2601 goto err_enc;

2602

2603 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "

2604 "clock range %dMHz - %dMHz, "

2605 "input 1: %c, input 2: %c, "

2606 "output 1: %c, output 2: %c\n",

2607 SDVO_NAME(intel_sdvo),

2608 intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,

2609 intel_sdvo->caps.device_rev_id,

2610 intel_sdvo->pixel_clock_min / 1000,

2611 intel_sdvo->pixel_clock_max / 1000,

2612 (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',

2613 (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',

2614 /* check currently supported outputs */

2615 intel_sdvo->caps.output_flags &

2616 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',

2617 intel_sdvo->caps.output_flags &

2618 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');

2619 return true;

2620

2621 err_enc:

2622 drm_encoder_cleanup(&intel_encoder->enc);

2623 err_i2c:

2624 if (intel_sdvo->analog_ddc_bus != NULL)

2625 intel_i2c_destroy(intel_sdvo->analog_ddc_bus);

2626 if (intel_encoder->ddc_bus != NULL)

2627 intel_i2c_destroy(intel_encoder->ddc_bus);

2628 if (intel_encoder->i2c_bus != NULL)

2629 intel_i2c_destroy(intel_encoder->i2c_bus);

2630 err_inteloutput:

2631 kfree(intel_sdvo);

2632

2633 return false;

2634 }