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drm/gma500/mrst: Add aux register writes to SDVO
[deliverable/linux.git] / drivers / gpu / drm / gma500 / psb_intel_sdvo.c
1 /*
2 * Copyright 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright © 2006-2007 Intel Corporation
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/module.h>
29 #include <linux/i2c.h>
30 #include <linux/slab.h>
31 #include <linux/delay.h>
32 #include <drm/drmP.h>
33 #include <drm/drm_crtc.h>
34 #include <drm/drm_edid.h>
35 #include "psb_intel_drv.h"
36 #include <drm/gma_drm.h>
37 #include "psb_drv.h"
38 #include "psb_intel_sdvo_regs.h"
39 #include "psb_intel_reg.h"
40
41 #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
42 #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
43 #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
44 #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
45
46 #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
47 SDVO_TV_MASK)
48
49 #define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
50 #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
51 #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
52 #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
53
54
55 static const char *tv_format_names[] = {
56 "NTSC_M" , "NTSC_J" , "NTSC_443",
57 "PAL_B" , "PAL_D" , "PAL_G" ,
58 "PAL_H" , "PAL_I" , "PAL_M" ,
59 "PAL_N" , "PAL_NC" , "PAL_60" ,
60 "SECAM_B" , "SECAM_D" , "SECAM_G" ,
61 "SECAM_K" , "SECAM_K1", "SECAM_L" ,
62 "SECAM_60"
63 };
64
65 #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
66
67 struct psb_intel_sdvo {
68 struct gma_encoder base;
69
70 struct i2c_adapter *i2c;
71 u8 slave_addr;
72
73 struct i2c_adapter ddc;
74
75 /* Register for the SDVO device: SDVOB or SDVOC */
76 int sdvo_reg;
77
78 /* Active outputs controlled by this SDVO output */
79 uint16_t controlled_output;
80
81 /*
82 * Capabilities of the SDVO device returned by
83 * i830_sdvo_get_capabilities()
84 */
85 struct psb_intel_sdvo_caps caps;
86
87 /* Pixel clock limitations reported by the SDVO device, in kHz */
88 int pixel_clock_min, pixel_clock_max;
89
90 /*
91 * For multiple function SDVO device,
92 * this is for current attached outputs.
93 */
94 uint16_t attached_output;
95
96 /**
97 * This is used to select the color range of RBG outputs in HDMI mode.
98 * It is only valid when using TMDS encoding and 8 bit per color mode.
99 */
100 uint32_t color_range;
101
102 /**
103 * This is set if we're going to treat the device as TV-out.
104 *
105 * While we have these nice friendly flags for output types that ought
106 * to decide this for us, the S-Video output on our HDMI+S-Video card
107 * shows up as RGB1 (VGA).
108 */
109 bool is_tv;
110
111 /* This is for current tv format name */
112 int tv_format_index;
113
114 /**
115 * This is set if we treat the device as HDMI, instead of DVI.
116 */
117 bool is_hdmi;
118 bool has_hdmi_monitor;
119 bool has_hdmi_audio;
120
121 /**
122 * This is set if we detect output of sdvo device as LVDS and
123 * have a valid fixed mode to use with the panel.
124 */
125 bool is_lvds;
126
127 /**
128 * This is sdvo fixed pannel mode pointer
129 */
130 struct drm_display_mode *sdvo_lvds_fixed_mode;
131
132 /* DDC bus used by this SDVO encoder */
133 uint8_t ddc_bus;
134
135 /* Input timings for adjusted_mode */
136 struct psb_intel_sdvo_dtd input_dtd;
137
138 /* Saved SDVO output states */
139 uint32_t saveSDVO; /* Can be SDVOB or SDVOC depending on sdvo_reg */
140 };
141
142 struct psb_intel_sdvo_connector {
143 struct gma_connector base;
144
145 /* Mark the type of connector */
146 uint16_t output_flag;
147
148 int force_audio;
149
150 /* This contains all current supported TV format */
151 u8 tv_format_supported[TV_FORMAT_NUM];
152 int format_supported_num;
153 struct drm_property *tv_format;
154
155 /* add the property for the SDVO-TV */
156 struct drm_property *left;
157 struct drm_property *right;
158 struct drm_property *top;
159 struct drm_property *bottom;
160 struct drm_property *hpos;
161 struct drm_property *vpos;
162 struct drm_property *contrast;
163 struct drm_property *saturation;
164 struct drm_property *hue;
165 struct drm_property *sharpness;
166 struct drm_property *flicker_filter;
167 struct drm_property *flicker_filter_adaptive;
168 struct drm_property *flicker_filter_2d;
169 struct drm_property *tv_chroma_filter;
170 struct drm_property *tv_luma_filter;
171 struct drm_property *dot_crawl;
172
173 /* add the property for the SDVO-TV/LVDS */
174 struct drm_property *brightness;
175
176 /* Add variable to record current setting for the above property */
177 u32 left_margin, right_margin, top_margin, bottom_margin;
178
179 /* this is to get the range of margin.*/
180 u32 max_hscan, max_vscan;
181 u32 max_hpos, cur_hpos;
182 u32 max_vpos, cur_vpos;
183 u32 cur_brightness, max_brightness;
184 u32 cur_contrast, max_contrast;
185 u32 cur_saturation, max_saturation;
186 u32 cur_hue, max_hue;
187 u32 cur_sharpness, max_sharpness;
188 u32 cur_flicker_filter, max_flicker_filter;
189 u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
190 u32 cur_flicker_filter_2d, max_flicker_filter_2d;
191 u32 cur_tv_chroma_filter, max_tv_chroma_filter;
192 u32 cur_tv_luma_filter, max_tv_luma_filter;
193 u32 cur_dot_crawl, max_dot_crawl;
194 };
195
196 static struct psb_intel_sdvo *to_psb_intel_sdvo(struct drm_encoder *encoder)
197 {
198 return container_of(encoder, struct psb_intel_sdvo, base.base);
199 }
200
201 static struct psb_intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
202 {
203 return container_of(gma_attached_encoder(connector),
204 struct psb_intel_sdvo, base);
205 }
206
207 static struct psb_intel_sdvo_connector *to_psb_intel_sdvo_connector(struct drm_connector *connector)
208 {
209 return container_of(to_gma_connector(connector), struct psb_intel_sdvo_connector, base);
210 }
211
212 static bool
213 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags);
214 static bool
215 psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
216 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
217 int type);
218 static bool
219 psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
220 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector);
221
222 /**
223 * Writes the SDVOB or SDVOC with the given value, but always writes both
224 * SDVOB and SDVOC to work around apparent hardware issues (according to
225 * comments in the BIOS).
226 */
227 static void psb_intel_sdvo_write_sdvox(struct psb_intel_sdvo *psb_intel_sdvo, u32 val)
228 {
229 struct drm_device *dev = psb_intel_sdvo->base.base.dev;
230 u32 bval = val, cval = val;
231 int i, j;
232 int need_aux = IS_MRST(dev) ? 1 : 0;
233
234 for (j = 0; j <= need_aux; j++) {
235 if (psb_intel_sdvo->sdvo_reg == SDVOB)
236 cval = REG_READ_WITH_AUX(SDVOC, j);
237 else
238 bval = REG_READ_WITH_AUX(SDVOB, j);
239
240 /*
241 * Write the registers twice for luck. Sometimes,
242 * writing them only once doesn't appear to 'stick'.
243 * The BIOS does this too. Yay, magic
244 */
245 for (i = 0; i < 2; i++) {
246 REG_WRITE_WITH_AUX(SDVOB, bval, j);
247 REG_READ_WITH_AUX(SDVOB, j);
248 REG_WRITE_WITH_AUX(SDVOC, cval, j);
249 REG_READ_WITH_AUX(SDVOC, j);
250 }
251 }
252 }
253
254 static bool psb_intel_sdvo_read_byte(struct psb_intel_sdvo *psb_intel_sdvo, u8 addr, u8 *ch)
255 {
256 struct i2c_msg msgs[] = {
257 {
258 .addr = psb_intel_sdvo->slave_addr,
259 .flags = 0,
260 .len = 1,
261 .buf = &addr,
262 },
263 {
264 .addr = psb_intel_sdvo->slave_addr,
265 .flags = I2C_M_RD,
266 .len = 1,
267 .buf = ch,
268 }
269 };
270 int ret;
271
272 if ((ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, 2)) == 2)
273 return true;
274
275 DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
276 return false;
277 }
278
279 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
280 /** Mapping of command numbers to names, for debug output */
281 static const struct _sdvo_cmd_name {
282 u8 cmd;
283 const char *name;
284 } sdvo_cmd_names[] = {
285 SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
286 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
287 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
288 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
289 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
290 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
291 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
292 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
293 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
294 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
295 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
296 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
297 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
298 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
299 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
300 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
301 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
302 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
303 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
304 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
305 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
306 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
307 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
308 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
309 SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
310 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
311 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
312 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
313 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
314 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
315 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
316 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
317 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
318 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
319 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
320 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
321 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
322 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
323 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
324 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
325 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
326 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
327 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
328
329 /* Add the op code for SDVO enhancements */
330 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
331 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
332 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
333 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
334 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
335 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
336 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
337 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
338 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
339 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
340 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
341 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
342 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
343 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
344 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
345 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
346 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
347 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
348 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
349 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
350 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
351 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
352 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
353 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
354 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
355 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
356 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
357 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
358 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
359 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
360 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
361 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
362 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
363 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
364 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
365 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
366 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
367 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
368 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
369 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
370 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
371 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
372 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
373 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
374
375 /* HDMI op code */
376 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
377 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
378 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
379 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
380 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
381 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
382 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
383 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
384 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
385 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
386 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
387 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
388 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
389 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
390 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
391 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
392 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
393 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
394 SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
395 SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
396 };
397
398 #define IS_SDVOB(reg) (reg == SDVOB)
399 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
400
401 static void psb_intel_sdvo_debug_write(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
402 const void *args, int args_len)
403 {
404 int i;
405
406 DRM_DEBUG_KMS("%s: W: %02X ",
407 SDVO_NAME(psb_intel_sdvo), cmd);
408 for (i = 0; i < args_len; i++)
409 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
410 for (; i < 8; i++)
411 DRM_LOG_KMS(" ");
412 for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
413 if (cmd == sdvo_cmd_names[i].cmd) {
414 DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
415 break;
416 }
417 }
418 if (i == ARRAY_SIZE(sdvo_cmd_names))
419 DRM_LOG_KMS("(%02X)", cmd);
420 DRM_LOG_KMS("\n");
421 }
422
423 static const char *cmd_status_names[] = {
424 "Power on",
425 "Success",
426 "Not supported",
427 "Invalid arg",
428 "Pending",
429 "Target not specified",
430 "Scaling not supported"
431 };
432
433 static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
434 const void *args, int args_len)
435 {
436 u8 buf[args_len*2 + 2], status;
437 struct i2c_msg msgs[args_len + 3];
438 int i, ret;
439
440 psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len);
441
442 for (i = 0; i < args_len; i++) {
443 msgs[i].addr = psb_intel_sdvo->slave_addr;
444 msgs[i].flags = 0;
445 msgs[i].len = 2;
446 msgs[i].buf = buf + 2 *i;
447 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
448 buf[2*i + 1] = ((u8*)args)[i];
449 }
450 msgs[i].addr = psb_intel_sdvo->slave_addr;
451 msgs[i].flags = 0;
452 msgs[i].len = 2;
453 msgs[i].buf = buf + 2*i;
454 buf[2*i + 0] = SDVO_I2C_OPCODE;
455 buf[2*i + 1] = cmd;
456
457 /* the following two are to read the response */
458 status = SDVO_I2C_CMD_STATUS;
459 msgs[i+1].addr = psb_intel_sdvo->slave_addr;
460 msgs[i+1].flags = 0;
461 msgs[i+1].len = 1;
462 msgs[i+1].buf = &status;
463
464 msgs[i+2].addr = psb_intel_sdvo->slave_addr;
465 msgs[i+2].flags = I2C_M_RD;
466 msgs[i+2].len = 1;
467 msgs[i+2].buf = &status;
468
469 ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, i+3);
470 if (ret < 0) {
471 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
472 return false;
473 }
474 if (ret != i+3) {
475 /* failure in I2C transfer */
476 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
477 return false;
478 }
479
480 return true;
481 }
482
483 static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo,
484 void *response, int response_len)
485 {
486 u8 retry = 5;
487 u8 status;
488 int i;
489
490 DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(psb_intel_sdvo));
491
492 /*
493 * The documentation states that all commands will be
494 * processed within 15µs, and that we need only poll
495 * the status byte a maximum of 3 times in order for the
496 * command to be complete.
497 *
498 * Check 5 times in case the hardware failed to read the docs.
499 */
500 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
501 SDVO_I2C_CMD_STATUS,
502 &status))
503 goto log_fail;
504
505 while ((status == SDVO_CMD_STATUS_PENDING ||
506 status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && retry--) {
507 udelay(15);
508 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
509 SDVO_I2C_CMD_STATUS,
510 &status))
511 goto log_fail;
512 }
513
514 if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
515 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
516 else
517 DRM_LOG_KMS("(??? %d)", status);
518
519 if (status != SDVO_CMD_STATUS_SUCCESS)
520 goto log_fail;
521
522 /* Read the command response */
523 for (i = 0; i < response_len; i++) {
524 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
525 SDVO_I2C_RETURN_0 + i,
526 &((u8 *)response)[i]))
527 goto log_fail;
528 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
529 }
530 DRM_LOG_KMS("\n");
531 return true;
532
533 log_fail:
534 DRM_LOG_KMS("... failed\n");
535 return false;
536 }
537
538 static int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
539 {
540 if (mode->clock >= 100000)
541 return 1;
542 else if (mode->clock >= 50000)
543 return 2;
544 else
545 return 4;
546 }
547
548 static bool psb_intel_sdvo_set_control_bus_switch(struct psb_intel_sdvo *psb_intel_sdvo,
549 u8 ddc_bus)
550 {
551 /* This must be the immediately preceding write before the i2c xfer */
552 return psb_intel_sdvo_write_cmd(psb_intel_sdvo,
553 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
554 &ddc_bus, 1);
555 }
556
557 static bool psb_intel_sdvo_set_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, const void *data, int len)
558 {
559 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, data, len))
560 return false;
561
562 return psb_intel_sdvo_read_response(psb_intel_sdvo, NULL, 0);
563 }
564
565 static bool
566 psb_intel_sdvo_get_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, void *value, int len)
567 {
568 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, NULL, 0))
569 return false;
570
571 return psb_intel_sdvo_read_response(psb_intel_sdvo, value, len);
572 }
573
574 static bool psb_intel_sdvo_set_target_input(struct psb_intel_sdvo *psb_intel_sdvo)
575 {
576 struct psb_intel_sdvo_set_target_input_args targets = {0};
577 return psb_intel_sdvo_set_value(psb_intel_sdvo,
578 SDVO_CMD_SET_TARGET_INPUT,
579 &targets, sizeof(targets));
580 }
581
582 /**
583 * Return whether each input is trained.
584 *
585 * This function is making an assumption about the layout of the response,
586 * which should be checked against the docs.
587 */
588 static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_sdvo *psb_intel_sdvo, bool *input_1, bool *input_2)
589 {
590 struct psb_intel_sdvo_get_trained_inputs_response response;
591
592 BUILD_BUG_ON(sizeof(response) != 1);
593 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
594 &response, sizeof(response)))
595 return false;
596
597 *input_1 = response.input0_trained;
598 *input_2 = response.input1_trained;
599 return true;
600 }
601
602 static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_sdvo *psb_intel_sdvo,
603 u16 outputs)
604 {
605 return psb_intel_sdvo_set_value(psb_intel_sdvo,
606 SDVO_CMD_SET_ACTIVE_OUTPUTS,
607 &outputs, sizeof(outputs));
608 }
609
610 static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_sdvo *psb_intel_sdvo,
611 int mode)
612 {
613 u8 state = SDVO_ENCODER_STATE_ON;
614
615 switch (mode) {
616 case DRM_MODE_DPMS_ON:
617 state = SDVO_ENCODER_STATE_ON;
618 break;
619 case DRM_MODE_DPMS_STANDBY:
620 state = SDVO_ENCODER_STATE_STANDBY;
621 break;
622 case DRM_MODE_DPMS_SUSPEND:
623 state = SDVO_ENCODER_STATE_SUSPEND;
624 break;
625 case DRM_MODE_DPMS_OFF:
626 state = SDVO_ENCODER_STATE_OFF;
627 break;
628 }
629
630 return psb_intel_sdvo_set_value(psb_intel_sdvo,
631 SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
632 }
633
634 static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_sdvo *psb_intel_sdvo,
635 int *clock_min,
636 int *clock_max)
637 {
638 struct psb_intel_sdvo_pixel_clock_range clocks;
639
640 BUILD_BUG_ON(sizeof(clocks) != 4);
641 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
642 SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
643 &clocks, sizeof(clocks)))
644 return false;
645
646 /* Convert the values from units of 10 kHz to kHz. */
647 *clock_min = clocks.min * 10;
648 *clock_max = clocks.max * 10;
649 return true;
650 }
651
652 static bool psb_intel_sdvo_set_target_output(struct psb_intel_sdvo *psb_intel_sdvo,
653 u16 outputs)
654 {
655 return psb_intel_sdvo_set_value(psb_intel_sdvo,
656 SDVO_CMD_SET_TARGET_OUTPUT,
657 &outputs, sizeof(outputs));
658 }
659
660 static bool psb_intel_sdvo_set_timing(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
661 struct psb_intel_sdvo_dtd *dtd)
662 {
663 return psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
664 psb_intel_sdvo_set_value(psb_intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
665 }
666
667 static bool psb_intel_sdvo_set_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
668 struct psb_intel_sdvo_dtd *dtd)
669 {
670 return psb_intel_sdvo_set_timing(psb_intel_sdvo,
671 SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
672 }
673
674 static bool psb_intel_sdvo_set_output_timing(struct psb_intel_sdvo *psb_intel_sdvo,
675 struct psb_intel_sdvo_dtd *dtd)
676 {
677 return psb_intel_sdvo_set_timing(psb_intel_sdvo,
678 SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
679 }
680
681 static bool
682 psb_intel_sdvo_create_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
683 uint16_t clock,
684 uint16_t width,
685 uint16_t height)
686 {
687 struct psb_intel_sdvo_preferred_input_timing_args args;
688
689 memset(&args, 0, sizeof(args));
690 args.clock = clock;
691 args.width = width;
692 args.height = height;
693 args.interlace = 0;
694
695 if (psb_intel_sdvo->is_lvds &&
696 (psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
697 psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
698 args.scaled = 1;
699
700 return psb_intel_sdvo_set_value(psb_intel_sdvo,
701 SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
702 &args, sizeof(args));
703 }
704
705 static bool psb_intel_sdvo_get_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
706 struct psb_intel_sdvo_dtd *dtd)
707 {
708 BUILD_BUG_ON(sizeof(dtd->part1) != 8);
709 BUILD_BUG_ON(sizeof(dtd->part2) != 8);
710 return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
711 &dtd->part1, sizeof(dtd->part1)) &&
712 psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
713 &dtd->part2, sizeof(dtd->part2));
714 }
715
716 static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_sdvo *psb_intel_sdvo, u8 val)
717 {
718 return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
719 }
720
721 static void psb_intel_sdvo_get_dtd_from_mode(struct psb_intel_sdvo_dtd *dtd,
722 const struct drm_display_mode *mode)
723 {
724 uint16_t width, height;
725 uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
726 uint16_t h_sync_offset, v_sync_offset;
727
728 width = mode->crtc_hdisplay;
729 height = mode->crtc_vdisplay;
730
731 /* do some mode translations */
732 h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
733 h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
734
735 v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
736 v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
737
738 h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
739 v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
740
741 dtd->part1.clock = mode->clock / 10;
742 dtd->part1.h_active = width & 0xff;
743 dtd->part1.h_blank = h_blank_len & 0xff;
744 dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
745 ((h_blank_len >> 8) & 0xf);
746 dtd->part1.v_active = height & 0xff;
747 dtd->part1.v_blank = v_blank_len & 0xff;
748 dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
749 ((v_blank_len >> 8) & 0xf);
750
751 dtd->part2.h_sync_off = h_sync_offset & 0xff;
752 dtd->part2.h_sync_width = h_sync_len & 0xff;
753 dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
754 (v_sync_len & 0xf);
755 dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
756 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
757 ((v_sync_len & 0x30) >> 4);
758
759 dtd->part2.dtd_flags = 0x18;
760 if (mode->flags & DRM_MODE_FLAG_PHSYNC)
761 dtd->part2.dtd_flags |= 0x2;
762 if (mode->flags & DRM_MODE_FLAG_PVSYNC)
763 dtd->part2.dtd_flags |= 0x4;
764
765 dtd->part2.sdvo_flags = 0;
766 dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
767 dtd->part2.reserved = 0;
768 }
769
770 static void psb_intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
771 const struct psb_intel_sdvo_dtd *dtd)
772 {
773 mode->hdisplay = dtd->part1.h_active;
774 mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
775 mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
776 mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
777 mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
778 mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
779 mode->htotal = mode->hdisplay + dtd->part1.h_blank;
780 mode->htotal += (dtd->part1.h_high & 0xf) << 8;
781
782 mode->vdisplay = dtd->part1.v_active;
783 mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
784 mode->vsync_start = mode->vdisplay;
785 mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
786 mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
787 mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
788 mode->vsync_end = mode->vsync_start +
789 (dtd->part2.v_sync_off_width & 0xf);
790 mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
791 mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
792 mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
793
794 mode->clock = dtd->part1.clock * 10;
795
796 mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
797 if (dtd->part2.dtd_flags & 0x2)
798 mode->flags |= DRM_MODE_FLAG_PHSYNC;
799 if (dtd->part2.dtd_flags & 0x4)
800 mode->flags |= DRM_MODE_FLAG_PVSYNC;
801 }
802
803 static bool psb_intel_sdvo_check_supp_encode(struct psb_intel_sdvo *psb_intel_sdvo)
804 {
805 struct psb_intel_sdvo_encode encode;
806
807 BUILD_BUG_ON(sizeof(encode) != 2);
808 return psb_intel_sdvo_get_value(psb_intel_sdvo,
809 SDVO_CMD_GET_SUPP_ENCODE,
810 &encode, sizeof(encode));
811 }
812
813 static bool psb_intel_sdvo_set_encode(struct psb_intel_sdvo *psb_intel_sdvo,
814 uint8_t mode)
815 {
816 return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
817 }
818
819 static bool psb_intel_sdvo_set_colorimetry(struct psb_intel_sdvo *psb_intel_sdvo,
820 uint8_t mode)
821 {
822 return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
823 }
824
825 #if 0
826 static void psb_intel_sdvo_dump_hdmi_buf(struct psb_intel_sdvo *psb_intel_sdvo)
827 {
828 int i, j;
829 uint8_t set_buf_index[2];
830 uint8_t av_split;
831 uint8_t buf_size;
832 uint8_t buf[48];
833 uint8_t *pos;
834
835 psb_intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
836
837 for (i = 0; i <= av_split; i++) {
838 set_buf_index[0] = i; set_buf_index[1] = 0;
839 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
840 set_buf_index, 2);
841 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
842 psb_intel_sdvo_read_response(encoder, &buf_size, 1);
843
844 pos = buf;
845 for (j = 0; j <= buf_size; j += 8) {
846 psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
847 NULL, 0);
848 psb_intel_sdvo_read_response(encoder, pos, 8);
849 pos += 8;
850 }
851 }
852 }
853 #endif
854
855 static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sdvo)
856 {
857 DRM_INFO("HDMI is not supported yet");
858
859 return false;
860 #if 0
861 struct dip_infoframe avi_if = {
862 .type = DIP_TYPE_AVI,
863 .ver = DIP_VERSION_AVI,
864 .len = DIP_LEN_AVI,
865 };
866 uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
867 uint8_t set_buf_index[2] = { 1, 0 };
868 uint64_t *data = (uint64_t *)&avi_if;
869 unsigned i;
870
871 intel_dip_infoframe_csum(&avi_if);
872
873 if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
874 SDVO_CMD_SET_HBUF_INDEX,
875 set_buf_index, 2))
876 return false;
877
878 for (i = 0; i < sizeof(avi_if); i += 8) {
879 if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
880 SDVO_CMD_SET_HBUF_DATA,
881 data, 8))
882 return false;
883 data++;
884 }
885
886 return psb_intel_sdvo_set_value(psb_intel_sdvo,
887 SDVO_CMD_SET_HBUF_TXRATE,
888 &tx_rate, 1);
889 #endif
890 }
891
892 static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
893 {
894 struct psb_intel_sdvo_tv_format format;
895 uint32_t format_map;
896
897 format_map = 1 << psb_intel_sdvo->tv_format_index;
898 memset(&format, 0, sizeof(format));
899 memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
900
901 BUILD_BUG_ON(sizeof(format) != 6);
902 return psb_intel_sdvo_set_value(psb_intel_sdvo,
903 SDVO_CMD_SET_TV_FORMAT,
904 &format, sizeof(format));
905 }
906
907 static bool
908 psb_intel_sdvo_set_output_timings_from_mode(struct psb_intel_sdvo *psb_intel_sdvo,
909 const struct drm_display_mode *mode)
910 {
911 struct psb_intel_sdvo_dtd output_dtd;
912
913 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
914 psb_intel_sdvo->attached_output))
915 return false;
916
917 psb_intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
918 if (!psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &output_dtd))
919 return false;
920
921 return true;
922 }
923
924 static bool
925 psb_intel_sdvo_set_input_timings_for_mode(struct psb_intel_sdvo *psb_intel_sdvo,
926 const struct drm_display_mode *mode,
927 struct drm_display_mode *adjusted_mode)
928 {
929 /* Reset the input timing to the screen. Assume always input 0. */
930 if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
931 return false;
932
933 if (!psb_intel_sdvo_create_preferred_input_timing(psb_intel_sdvo,
934 mode->clock / 10,
935 mode->hdisplay,
936 mode->vdisplay))
937 return false;
938
939 if (!psb_intel_sdvo_get_preferred_input_timing(psb_intel_sdvo,
940 &psb_intel_sdvo->input_dtd))
941 return false;
942
943 psb_intel_sdvo_get_mode_from_dtd(adjusted_mode, &psb_intel_sdvo->input_dtd);
944
945 drm_mode_set_crtcinfo(adjusted_mode, 0);
946 return true;
947 }
948
949 static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
950 const struct drm_display_mode *mode,
951 struct drm_display_mode *adjusted_mode)
952 {
953 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
954 int multiplier;
955
956 /* We need to construct preferred input timings based on our
957 * output timings. To do that, we have to set the output
958 * timings, even though this isn't really the right place in
959 * the sequence to do it. Oh well.
960 */
961 if (psb_intel_sdvo->is_tv) {
962 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, mode))
963 return false;
964
965 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
966 mode,
967 adjusted_mode);
968 } else if (psb_intel_sdvo->is_lvds) {
969 if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo,
970 psb_intel_sdvo->sdvo_lvds_fixed_mode))
971 return false;
972
973 (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
974 mode,
975 adjusted_mode);
976 }
977
978 /* Make the CRTC code factor in the SDVO pixel multiplier. The
979 * SDVO device will factor out the multiplier during mode_set.
980 */
981 multiplier = psb_intel_sdvo_get_pixel_multiplier(adjusted_mode);
982 psb_intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
983
984 return true;
985 }
986
987 static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
988 struct drm_display_mode *mode,
989 struct drm_display_mode *adjusted_mode)
990 {
991 struct drm_device *dev = encoder->dev;
992 struct drm_crtc *crtc = encoder->crtc;
993 struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
994 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
995 u32 sdvox;
996 struct psb_intel_sdvo_in_out_map in_out;
997 struct psb_intel_sdvo_dtd input_dtd;
998 int pixel_multiplier = psb_intel_mode_get_pixel_multiplier(adjusted_mode);
999 int rate;
1000 int need_aux = IS_MRST(dev) ? 1 : 0;
1001
1002 if (!mode)
1003 return;
1004
1005 /* First, set the input mapping for the first input to our controlled
1006 * output. This is only correct if we're a single-input device, in
1007 * which case the first input is the output from the appropriate SDVO
1008 * channel on the motherboard. In a two-input device, the first input
1009 * will be SDVOB and the second SDVOC.
1010 */
1011 in_out.in0 = psb_intel_sdvo->attached_output;
1012 in_out.in1 = 0;
1013
1014 psb_intel_sdvo_set_value(psb_intel_sdvo,
1015 SDVO_CMD_SET_IN_OUT_MAP,
1016 &in_out, sizeof(in_out));
1017
1018 /* Set the output timings to the screen */
1019 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1020 psb_intel_sdvo->attached_output))
1021 return;
1022
1023 /* We have tried to get input timing in mode_fixup, and filled into
1024 * adjusted_mode.
1025 */
1026 if (psb_intel_sdvo->is_tv || psb_intel_sdvo->is_lvds) {
1027 input_dtd = psb_intel_sdvo->input_dtd;
1028 } else {
1029 /* Set the output timing to the screen */
1030 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
1031 psb_intel_sdvo->attached_output))
1032 return;
1033
1034 psb_intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1035 (void) psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &input_dtd);
1036 }
1037
1038 /* Set the input timing to the screen. Assume always input 0. */
1039 if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
1040 return;
1041
1042 if (psb_intel_sdvo->has_hdmi_monitor) {
1043 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_HDMI);
1044 psb_intel_sdvo_set_colorimetry(psb_intel_sdvo,
1045 SDVO_COLORIMETRY_RGB256);
1046 psb_intel_sdvo_set_avi_infoframe(psb_intel_sdvo);
1047 } else
1048 psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_DVI);
1049
1050 if (psb_intel_sdvo->is_tv &&
1051 !psb_intel_sdvo_set_tv_format(psb_intel_sdvo))
1052 return;
1053
1054 (void) psb_intel_sdvo_set_input_timing(psb_intel_sdvo, &input_dtd);
1055
1056 switch (pixel_multiplier) {
1057 default:
1058 case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1059 case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1060 case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1061 }
1062 if (!psb_intel_sdvo_set_clock_rate_mult(psb_intel_sdvo, rate))
1063 return;
1064
1065 /* Set the SDVO control regs. */
1066 if (need_aux)
1067 sdvox = REG_READ_AUX(psb_intel_sdvo->sdvo_reg);
1068 else
1069 sdvox = REG_READ(psb_intel_sdvo->sdvo_reg);
1070
1071 switch (psb_intel_sdvo->sdvo_reg) {
1072 case SDVOB:
1073 sdvox &= SDVOB_PRESERVE_MASK;
1074 break;
1075 case SDVOC:
1076 sdvox &= SDVOC_PRESERVE_MASK;
1077 break;
1078 }
1079 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1080
1081 if (gma_crtc->pipe == 1)
1082 sdvox |= SDVO_PIPE_B_SELECT;
1083 if (psb_intel_sdvo->has_hdmi_audio)
1084 sdvox |= SDVO_AUDIO_ENABLE;
1085
1086 /* FIXME: Check if this is needed for PSB
1087 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1088 */
1089
1090 if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
1091 sdvox |= SDVO_STALL_SELECT;
1092 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, sdvox);
1093 }
1094
1095 static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1096 {
1097 struct drm_device *dev = encoder->dev;
1098 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1099 u32 temp;
1100 int i;
1101 int need_aux = IS_MRST(dev) ? 1 : 0;
1102
1103 switch (mode) {
1104 case DRM_MODE_DPMS_ON:
1105 DRM_DEBUG("DPMS_ON");
1106 break;
1107 case DRM_MODE_DPMS_OFF:
1108 DRM_DEBUG("DPMS_OFF");
1109 break;
1110 default:
1111 DRM_DEBUG("DPMS: %d", mode);
1112 }
1113
1114 if (mode != DRM_MODE_DPMS_ON) {
1115 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, 0);
1116 if (0)
1117 psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1118
1119 if (mode == DRM_MODE_DPMS_OFF) {
1120 if (need_aux)
1121 temp = REG_READ_AUX(psb_intel_sdvo->sdvo_reg);
1122 else
1123 temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1124
1125 if ((temp & SDVO_ENABLE) != 0) {
1126 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp & ~SDVO_ENABLE);
1127 }
1128 }
1129 } else {
1130 bool input1, input2;
1131 u8 status;
1132
1133 if (need_aux)
1134 temp = REG_READ_AUX(psb_intel_sdvo->sdvo_reg);
1135 else
1136 temp = REG_READ(psb_intel_sdvo->sdvo_reg);
1137
1138 if ((temp & SDVO_ENABLE) == 0)
1139 psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp | SDVO_ENABLE);
1140
1141 for (i = 0; i < 2; i++)
1142 gma_wait_for_vblank(dev);
1143
1144 status = psb_intel_sdvo_get_trained_inputs(psb_intel_sdvo, &input1, &input2);
1145 /* Warn if the device reported failure to sync.
1146 * A lot of SDVO devices fail to notify of sync, but it's
1147 * a given it the status is a success, we succeeded.
1148 */
1149 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1150 DRM_DEBUG_KMS("First %s output reported failure to "
1151 "sync\n", SDVO_NAME(psb_intel_sdvo));
1152 }
1153
1154 if (0)
1155 psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
1156 psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, psb_intel_sdvo->attached_output);
1157 }
1158 return;
1159 }
1160
1161 static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
1162 struct drm_display_mode *mode)
1163 {
1164 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1165
1166 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1167 return MODE_NO_DBLESCAN;
1168
1169 if (psb_intel_sdvo->pixel_clock_min > mode->clock)
1170 return MODE_CLOCK_LOW;
1171
1172 if (psb_intel_sdvo->pixel_clock_max < mode->clock)
1173 return MODE_CLOCK_HIGH;
1174
1175 if (psb_intel_sdvo->is_lvds) {
1176 if (mode->hdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1177 return MODE_PANEL;
1178
1179 if (mode->vdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1180 return MODE_PANEL;
1181 }
1182
1183 return MODE_OK;
1184 }
1185
1186 static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdvo, struct psb_intel_sdvo_caps *caps)
1187 {
1188 BUILD_BUG_ON(sizeof(*caps) != 8);
1189 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
1190 SDVO_CMD_GET_DEVICE_CAPS,
1191 caps, sizeof(*caps)))
1192 return false;
1193
1194 DRM_DEBUG_KMS("SDVO capabilities:\n"
1195 " vendor_id: %d\n"
1196 " device_id: %d\n"
1197 " device_rev_id: %d\n"
1198 " sdvo_version_major: %d\n"
1199 " sdvo_version_minor: %d\n"
1200 " sdvo_inputs_mask: %d\n"
1201 " smooth_scaling: %d\n"
1202 " sharp_scaling: %d\n"
1203 " up_scaling: %d\n"
1204 " down_scaling: %d\n"
1205 " stall_support: %d\n"
1206 " output_flags: %d\n",
1207 caps->vendor_id,
1208 caps->device_id,
1209 caps->device_rev_id,
1210 caps->sdvo_version_major,
1211 caps->sdvo_version_minor,
1212 caps->sdvo_inputs_mask,
1213 caps->smooth_scaling,
1214 caps->sharp_scaling,
1215 caps->up_scaling,
1216 caps->down_scaling,
1217 caps->stall_support,
1218 caps->output_flags);
1219
1220 return true;
1221 }
1222
1223 /* No use! */
1224 #if 0
1225 struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
1226 {
1227 struct drm_connector *connector = NULL;
1228 struct psb_intel_sdvo *iout = NULL;
1229 struct psb_intel_sdvo *sdvo;
1230
1231 /* find the sdvo connector */
1232 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1233 iout = to_psb_intel_sdvo(connector);
1234
1235 if (iout->type != INTEL_OUTPUT_SDVO)
1236 continue;
1237
1238 sdvo = iout->dev_priv;
1239
1240 if (sdvo->sdvo_reg == SDVOB && sdvoB)
1241 return connector;
1242
1243 if (sdvo->sdvo_reg == SDVOC && !sdvoB)
1244 return connector;
1245
1246 }
1247
1248 return NULL;
1249 }
1250
1251 int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
1252 {
1253 u8 response[2];
1254 u8 status;
1255 struct psb_intel_sdvo *psb_intel_sdvo;
1256 DRM_DEBUG_KMS("\n");
1257
1258 if (!connector)
1259 return 0;
1260
1261 psb_intel_sdvo = to_psb_intel_sdvo(connector);
1262
1263 return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1264 &response, 2) && response[0];
1265 }
1266
1267 void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
1268 {
1269 u8 response[2];
1270 u8 status;
1271 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
1272
1273 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1274 psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1275
1276 if (on) {
1277 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
1278 status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1279
1280 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1281 } else {
1282 response[0] = 0;
1283 response[1] = 0;
1284 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
1285 }
1286
1287 psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
1288 psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
1289 }
1290 #endif
1291
1292 static bool
1293 psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
1294 {
1295 /* Is there more than one type of output? */
1296 int caps = psb_intel_sdvo->caps.output_flags & 0xf;
1297 return caps & -caps;
1298 }
1299
1300 static struct edid *
1301 psb_intel_sdvo_get_edid(struct drm_connector *connector)
1302 {
1303 struct psb_intel_sdvo *sdvo = intel_attached_sdvo(connector);
1304 return drm_get_edid(connector, &sdvo->ddc);
1305 }
1306
1307 /* Mac mini hack -- use the same DDC as the analog connector */
1308 static struct edid *
1309 psb_intel_sdvo_get_analog_edid(struct drm_connector *connector)
1310 {
1311 struct drm_psb_private *dev_priv = connector->dev->dev_private;
1312
1313 return drm_get_edid(connector,
1314 &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1315 }
1316
1317 static enum drm_connector_status
1318 psb_intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
1319 {
1320 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1321 enum drm_connector_status status;
1322 struct edid *edid;
1323
1324 edid = psb_intel_sdvo_get_edid(connector);
1325
1326 if (edid == NULL && psb_intel_sdvo_multifunc_encoder(psb_intel_sdvo)) {
1327 u8 ddc, saved_ddc = psb_intel_sdvo->ddc_bus;
1328
1329 /*
1330 * Don't use the 1 as the argument of DDC bus switch to get
1331 * the EDID. It is used for SDVO SPD ROM.
1332 */
1333 for (ddc = psb_intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1334 psb_intel_sdvo->ddc_bus = ddc;
1335 edid = psb_intel_sdvo_get_edid(connector);
1336 if (edid)
1337 break;
1338 }
1339 /*
1340 * If we found the EDID on the other bus,
1341 * assume that is the correct DDC bus.
1342 */
1343 if (edid == NULL)
1344 psb_intel_sdvo->ddc_bus = saved_ddc;
1345 }
1346
1347 /*
1348 * When there is no edid and no monitor is connected with VGA
1349 * port, try to use the CRT ddc to read the EDID for DVI-connector.
1350 */
1351 if (edid == NULL)
1352 edid = psb_intel_sdvo_get_analog_edid(connector);
1353
1354 status = connector_status_unknown;
1355 if (edid != NULL) {
1356 /* DDC bus is shared, match EDID to connector type */
1357 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1358 status = connector_status_connected;
1359 if (psb_intel_sdvo->is_hdmi) {
1360 psb_intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1361 psb_intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1362 }
1363 } else
1364 status = connector_status_disconnected;
1365 kfree(edid);
1366 }
1367
1368 if (status == connector_status_connected) {
1369 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1370 if (psb_intel_sdvo_connector->force_audio)
1371 psb_intel_sdvo->has_hdmi_audio = psb_intel_sdvo_connector->force_audio > 0;
1372 }
1373
1374 return status;
1375 }
1376
1377 static enum drm_connector_status
1378 psb_intel_sdvo_detect(struct drm_connector *connector, bool force)
1379 {
1380 uint16_t response;
1381 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1382 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1383 enum drm_connector_status ret;
1384
1385 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
1386 SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1387 return connector_status_unknown;
1388
1389 /* add 30ms delay when the output type might be TV */
1390 if (psb_intel_sdvo->caps.output_flags &
1391 (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1392 mdelay(30);
1393
1394 if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2))
1395 return connector_status_unknown;
1396
1397 DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1398 response & 0xff, response >> 8,
1399 psb_intel_sdvo_connector->output_flag);
1400
1401 if (response == 0)
1402 return connector_status_disconnected;
1403
1404 psb_intel_sdvo->attached_output = response;
1405
1406 psb_intel_sdvo->has_hdmi_monitor = false;
1407 psb_intel_sdvo->has_hdmi_audio = false;
1408
1409 if ((psb_intel_sdvo_connector->output_flag & response) == 0)
1410 ret = connector_status_disconnected;
1411 else if (IS_TMDS(psb_intel_sdvo_connector))
1412 ret = psb_intel_sdvo_hdmi_sink_detect(connector);
1413 else {
1414 struct edid *edid;
1415
1416 /* if we have an edid check it matches the connection */
1417 edid = psb_intel_sdvo_get_edid(connector);
1418 if (edid == NULL)
1419 edid = psb_intel_sdvo_get_analog_edid(connector);
1420 if (edid != NULL) {
1421 if (edid->input & DRM_EDID_INPUT_DIGITAL)
1422 ret = connector_status_disconnected;
1423 else
1424 ret = connector_status_connected;
1425 kfree(edid);
1426 } else
1427 ret = connector_status_connected;
1428 }
1429
1430 /* May update encoder flag for like clock for SDVO TV, etc.*/
1431 if (ret == connector_status_connected) {
1432 psb_intel_sdvo->is_tv = false;
1433 psb_intel_sdvo->is_lvds = false;
1434 psb_intel_sdvo->base.needs_tv_clock = false;
1435
1436 if (response & SDVO_TV_MASK) {
1437 psb_intel_sdvo->is_tv = true;
1438 psb_intel_sdvo->base.needs_tv_clock = true;
1439 }
1440 if (response & SDVO_LVDS_MASK)
1441 psb_intel_sdvo->is_lvds = psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1442 }
1443
1444 return ret;
1445 }
1446
1447 static void psb_intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1448 {
1449 struct edid *edid;
1450
1451 /* set the bus switch and get the modes */
1452 edid = psb_intel_sdvo_get_edid(connector);
1453
1454 /*
1455 * Mac mini hack. On this device, the DVI-I connector shares one DDC
1456 * link between analog and digital outputs. So, if the regular SDVO
1457 * DDC fails, check to see if the analog output is disconnected, in
1458 * which case we'll look there for the digital DDC data.
1459 */
1460 if (edid == NULL)
1461 edid = psb_intel_sdvo_get_analog_edid(connector);
1462
1463 if (edid != NULL) {
1464 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1465 bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1466 bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector);
1467
1468 if (connector_is_digital == monitor_is_digital) {
1469 drm_mode_connector_update_edid_property(connector, edid);
1470 drm_add_edid_modes(connector, edid);
1471 }
1472
1473 kfree(edid);
1474 }
1475 }
1476
1477 /*
1478 * Set of SDVO TV modes.
1479 * Note! This is in reply order (see loop in get_tv_modes).
1480 * XXX: all 60Hz refresh?
1481 */
1482 static const struct drm_display_mode sdvo_tv_modes[] = {
1483 { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1484 416, 0, 200, 201, 232, 233, 0,
1485 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1486 { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1487 416, 0, 240, 241, 272, 273, 0,
1488 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1489 { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1490 496, 0, 300, 301, 332, 333, 0,
1491 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1492 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1493 736, 0, 350, 351, 382, 383, 0,
1494 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1495 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1496 736, 0, 400, 401, 432, 433, 0,
1497 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1498 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1499 736, 0, 480, 481, 512, 513, 0,
1500 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1501 { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1502 800, 0, 480, 481, 512, 513, 0,
1503 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1504 { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1505 800, 0, 576, 577, 608, 609, 0,
1506 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1507 { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1508 816, 0, 350, 351, 382, 383, 0,
1509 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1510 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1511 816, 0, 400, 401, 432, 433, 0,
1512 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1513 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1514 816, 0, 480, 481, 512, 513, 0,
1515 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1516 { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1517 816, 0, 540, 541, 572, 573, 0,
1518 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1519 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1520 816, 0, 576, 577, 608, 609, 0,
1521 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1522 { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1523 864, 0, 576, 577, 608, 609, 0,
1524 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1525 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1526 896, 0, 600, 601, 632, 633, 0,
1527 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1528 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1529 928, 0, 624, 625, 656, 657, 0,
1530 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1531 { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1532 1016, 0, 766, 767, 798, 799, 0,
1533 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1534 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1535 1120, 0, 768, 769, 800, 801, 0,
1536 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1537 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1538 1376, 0, 1024, 1025, 1056, 1057, 0,
1539 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1540 };
1541
1542 static void psb_intel_sdvo_get_tv_modes(struct drm_connector *connector)
1543 {
1544 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1545 struct psb_intel_sdvo_sdtv_resolution_request tv_res;
1546 uint32_t reply = 0, format_map = 0;
1547 int i;
1548
1549 /* Read the list of supported input resolutions for the selected TV
1550 * format.
1551 */
1552 format_map = 1 << psb_intel_sdvo->tv_format_index;
1553 memcpy(&tv_res, &format_map,
1554 min(sizeof(format_map), sizeof(struct psb_intel_sdvo_sdtv_resolution_request)));
1555
1556 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, psb_intel_sdvo->attached_output))
1557 return;
1558
1559 BUILD_BUG_ON(sizeof(tv_res) != 3);
1560 if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
1561 SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1562 &tv_res, sizeof(tv_res)))
1563 return;
1564 if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &reply, 3))
1565 return;
1566
1567 for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1568 if (reply & (1 << i)) {
1569 struct drm_display_mode *nmode;
1570 nmode = drm_mode_duplicate(connector->dev,
1571 &sdvo_tv_modes[i]);
1572 if (nmode)
1573 drm_mode_probed_add(connector, nmode);
1574 }
1575 }
1576
1577 static void psb_intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1578 {
1579 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1580 struct drm_psb_private *dev_priv = connector->dev->dev_private;
1581 struct drm_display_mode *newmode;
1582
1583 /*
1584 * Attempt to get the mode list from DDC.
1585 * Assume that the preferred modes are
1586 * arranged in priority order.
1587 */
1588 psb_intel_ddc_get_modes(connector, psb_intel_sdvo->i2c);
1589 if (list_empty(&connector->probed_modes) == false)
1590 goto end;
1591
1592 /* Fetch modes from VBT */
1593 if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1594 newmode = drm_mode_duplicate(connector->dev,
1595 dev_priv->sdvo_lvds_vbt_mode);
1596 if (newmode != NULL) {
1597 /* Guarantee the mode is preferred */
1598 newmode->type = (DRM_MODE_TYPE_PREFERRED |
1599 DRM_MODE_TYPE_DRIVER);
1600 drm_mode_probed_add(connector, newmode);
1601 }
1602 }
1603
1604 end:
1605 list_for_each_entry(newmode, &connector->probed_modes, head) {
1606 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1607 psb_intel_sdvo->sdvo_lvds_fixed_mode =
1608 drm_mode_duplicate(connector->dev, newmode);
1609
1610 drm_mode_set_crtcinfo(psb_intel_sdvo->sdvo_lvds_fixed_mode,
1611 0);
1612
1613 psb_intel_sdvo->is_lvds = true;
1614 break;
1615 }
1616 }
1617
1618 }
1619
1620 static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
1621 {
1622 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1623
1624 if (IS_TV(psb_intel_sdvo_connector))
1625 psb_intel_sdvo_get_tv_modes(connector);
1626 else if (IS_LVDS(psb_intel_sdvo_connector))
1627 psb_intel_sdvo_get_lvds_modes(connector);
1628 else
1629 psb_intel_sdvo_get_ddc_modes(connector);
1630
1631 return !list_empty(&connector->probed_modes);
1632 }
1633
1634 static void
1635 psb_intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1636 {
1637 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1638 struct drm_device *dev = connector->dev;
1639
1640 if (psb_intel_sdvo_connector->left)
1641 drm_property_destroy(dev, psb_intel_sdvo_connector->left);
1642 if (psb_intel_sdvo_connector->right)
1643 drm_property_destroy(dev, psb_intel_sdvo_connector->right);
1644 if (psb_intel_sdvo_connector->top)
1645 drm_property_destroy(dev, psb_intel_sdvo_connector->top);
1646 if (psb_intel_sdvo_connector->bottom)
1647 drm_property_destroy(dev, psb_intel_sdvo_connector->bottom);
1648 if (psb_intel_sdvo_connector->hpos)
1649 drm_property_destroy(dev, psb_intel_sdvo_connector->hpos);
1650 if (psb_intel_sdvo_connector->vpos)
1651 drm_property_destroy(dev, psb_intel_sdvo_connector->vpos);
1652 if (psb_intel_sdvo_connector->saturation)
1653 drm_property_destroy(dev, psb_intel_sdvo_connector->saturation);
1654 if (psb_intel_sdvo_connector->contrast)
1655 drm_property_destroy(dev, psb_intel_sdvo_connector->contrast);
1656 if (psb_intel_sdvo_connector->hue)
1657 drm_property_destroy(dev, psb_intel_sdvo_connector->hue);
1658 if (psb_intel_sdvo_connector->sharpness)
1659 drm_property_destroy(dev, psb_intel_sdvo_connector->sharpness);
1660 if (psb_intel_sdvo_connector->flicker_filter)
1661 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter);
1662 if (psb_intel_sdvo_connector->flicker_filter_2d)
1663 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_2d);
1664 if (psb_intel_sdvo_connector->flicker_filter_adaptive)
1665 drm_property_destroy(dev, psb_intel_sdvo_connector->flicker_filter_adaptive);
1666 if (psb_intel_sdvo_connector->tv_luma_filter)
1667 drm_property_destroy(dev, psb_intel_sdvo_connector->tv_luma_filter);
1668 if (psb_intel_sdvo_connector->tv_chroma_filter)
1669 drm_property_destroy(dev, psb_intel_sdvo_connector->tv_chroma_filter);
1670 if (psb_intel_sdvo_connector->dot_crawl)
1671 drm_property_destroy(dev, psb_intel_sdvo_connector->dot_crawl);
1672 if (psb_intel_sdvo_connector->brightness)
1673 drm_property_destroy(dev, psb_intel_sdvo_connector->brightness);
1674 }
1675
1676 static void psb_intel_sdvo_destroy(struct drm_connector *connector)
1677 {
1678 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1679
1680 if (psb_intel_sdvo_connector->tv_format)
1681 drm_property_destroy(connector->dev,
1682 psb_intel_sdvo_connector->tv_format);
1683
1684 psb_intel_sdvo_destroy_enhance_property(connector);
1685 drm_sysfs_connector_remove(connector);
1686 drm_connector_cleanup(connector);
1687 kfree(connector);
1688 }
1689
1690 static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1691 {
1692 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1693 struct edid *edid;
1694 bool has_audio = false;
1695
1696 if (!psb_intel_sdvo->is_hdmi)
1697 return false;
1698
1699 edid = psb_intel_sdvo_get_edid(connector);
1700 if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1701 has_audio = drm_detect_monitor_audio(edid);
1702
1703 return has_audio;
1704 }
1705
1706 static int
1707 psb_intel_sdvo_set_property(struct drm_connector *connector,
1708 struct drm_property *property,
1709 uint64_t val)
1710 {
1711 struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
1712 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
1713 struct drm_psb_private *dev_priv = connector->dev->dev_private;
1714 uint16_t temp_value;
1715 uint8_t cmd;
1716 int ret;
1717
1718 ret = drm_object_property_set_value(&connector->base, property, val);
1719 if (ret)
1720 return ret;
1721
1722 if (property == dev_priv->force_audio_property) {
1723 int i = val;
1724 bool has_audio;
1725
1726 if (i == psb_intel_sdvo_connector->force_audio)
1727 return 0;
1728
1729 psb_intel_sdvo_connector->force_audio = i;
1730
1731 if (i == 0)
1732 has_audio = psb_intel_sdvo_detect_hdmi_audio(connector);
1733 else
1734 has_audio = i > 0;
1735
1736 if (has_audio == psb_intel_sdvo->has_hdmi_audio)
1737 return 0;
1738
1739 psb_intel_sdvo->has_hdmi_audio = has_audio;
1740 goto done;
1741 }
1742
1743 if (property == dev_priv->broadcast_rgb_property) {
1744 if (val == !!psb_intel_sdvo->color_range)
1745 return 0;
1746
1747 psb_intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1748 goto done;
1749 }
1750
1751 #define CHECK_PROPERTY(name, NAME) \
1752 if (psb_intel_sdvo_connector->name == property) { \
1753 if (psb_intel_sdvo_connector->cur_##name == temp_value) return 0; \
1754 if (psb_intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1755 cmd = SDVO_CMD_SET_##NAME; \
1756 psb_intel_sdvo_connector->cur_##name = temp_value; \
1757 goto set_value; \
1758 }
1759
1760 if (property == psb_intel_sdvo_connector->tv_format) {
1761 if (val >= TV_FORMAT_NUM)
1762 return -EINVAL;
1763
1764 if (psb_intel_sdvo->tv_format_index ==
1765 psb_intel_sdvo_connector->tv_format_supported[val])
1766 return 0;
1767
1768 psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[val];
1769 goto done;
1770 } else if (IS_TV_OR_LVDS(psb_intel_sdvo_connector)) {
1771 temp_value = val;
1772 if (psb_intel_sdvo_connector->left == property) {
1773 drm_object_property_set_value(&connector->base,
1774 psb_intel_sdvo_connector->right, val);
1775 if (psb_intel_sdvo_connector->left_margin == temp_value)
1776 return 0;
1777
1778 psb_intel_sdvo_connector->left_margin = temp_value;
1779 psb_intel_sdvo_connector->right_margin = temp_value;
1780 temp_value = psb_intel_sdvo_connector->max_hscan -
1781 psb_intel_sdvo_connector->left_margin;
1782 cmd = SDVO_CMD_SET_OVERSCAN_H;
1783 goto set_value;
1784 } else if (psb_intel_sdvo_connector->right == property) {
1785 drm_object_property_set_value(&connector->base,
1786 psb_intel_sdvo_connector->left, val);
1787 if (psb_intel_sdvo_connector->right_margin == temp_value)
1788 return 0;
1789
1790 psb_intel_sdvo_connector->left_margin = temp_value;
1791 psb_intel_sdvo_connector->right_margin = temp_value;
1792 temp_value = psb_intel_sdvo_connector->max_hscan -
1793 psb_intel_sdvo_connector->left_margin;
1794 cmd = SDVO_CMD_SET_OVERSCAN_H;
1795 goto set_value;
1796 } else if (psb_intel_sdvo_connector->top == property) {
1797 drm_object_property_set_value(&connector->base,
1798 psb_intel_sdvo_connector->bottom, val);
1799 if (psb_intel_sdvo_connector->top_margin == temp_value)
1800 return 0;
1801
1802 psb_intel_sdvo_connector->top_margin = temp_value;
1803 psb_intel_sdvo_connector->bottom_margin = temp_value;
1804 temp_value = psb_intel_sdvo_connector->max_vscan -
1805 psb_intel_sdvo_connector->top_margin;
1806 cmd = SDVO_CMD_SET_OVERSCAN_V;
1807 goto set_value;
1808 } else if (psb_intel_sdvo_connector->bottom == property) {
1809 drm_object_property_set_value(&connector->base,
1810 psb_intel_sdvo_connector->top, val);
1811 if (psb_intel_sdvo_connector->bottom_margin == temp_value)
1812 return 0;
1813
1814 psb_intel_sdvo_connector->top_margin = temp_value;
1815 psb_intel_sdvo_connector->bottom_margin = temp_value;
1816 temp_value = psb_intel_sdvo_connector->max_vscan -
1817 psb_intel_sdvo_connector->top_margin;
1818 cmd = SDVO_CMD_SET_OVERSCAN_V;
1819 goto set_value;
1820 }
1821 CHECK_PROPERTY(hpos, HPOS)
1822 CHECK_PROPERTY(vpos, VPOS)
1823 CHECK_PROPERTY(saturation, SATURATION)
1824 CHECK_PROPERTY(contrast, CONTRAST)
1825 CHECK_PROPERTY(hue, HUE)
1826 CHECK_PROPERTY(brightness, BRIGHTNESS)
1827 CHECK_PROPERTY(sharpness, SHARPNESS)
1828 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1829 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1830 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1831 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1832 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1833 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1834 }
1835
1836 return -EINVAL; /* unknown property */
1837
1838 set_value:
1839 if (!psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &temp_value, 2))
1840 return -EIO;
1841
1842
1843 done:
1844 if (psb_intel_sdvo->base.base.crtc) {
1845 struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc;
1846 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1847 crtc->y, crtc->fb);
1848 }
1849
1850 return 0;
1851 #undef CHECK_PROPERTY
1852 }
1853
1854 static void psb_intel_sdvo_save(struct drm_connector *connector)
1855 {
1856 struct drm_device *dev = connector->dev;
1857 struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
1858 struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(&gma_encoder->base);
1859
1860 sdvo->saveSDVO = REG_READ(sdvo->sdvo_reg);
1861 }
1862
1863 static void psb_intel_sdvo_restore(struct drm_connector *connector)
1864 {
1865 struct drm_device *dev = connector->dev;
1866 struct drm_encoder *encoder = &gma_attached_encoder(connector)->base;
1867 struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(encoder);
1868 struct drm_crtc *crtc = encoder->crtc;
1869
1870 REG_WRITE(sdvo->sdvo_reg, sdvo->saveSDVO);
1871
1872 /* Force a full mode set on the crtc. We're supposed to have the
1873 mode_config lock already. */
1874 if (connector->status == connector_status_connected)
1875 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
1876 NULL);
1877 }
1878
1879 static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
1880 .dpms = psb_intel_sdvo_dpms,
1881 .mode_fixup = psb_intel_sdvo_mode_fixup,
1882 .prepare = gma_encoder_prepare,
1883 .mode_set = psb_intel_sdvo_mode_set,
1884 .commit = gma_encoder_commit,
1885 };
1886
1887 static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
1888 .dpms = drm_helper_connector_dpms,
1889 .save = psb_intel_sdvo_save,
1890 .restore = psb_intel_sdvo_restore,
1891 .detect = psb_intel_sdvo_detect,
1892 .fill_modes = drm_helper_probe_single_connector_modes,
1893 .set_property = psb_intel_sdvo_set_property,
1894 .destroy = psb_intel_sdvo_destroy,
1895 };
1896
1897 static const struct drm_connector_helper_funcs psb_intel_sdvo_connector_helper_funcs = {
1898 .get_modes = psb_intel_sdvo_get_modes,
1899 .mode_valid = psb_intel_sdvo_mode_valid,
1900 .best_encoder = gma_best_encoder,
1901 };
1902
1903 static void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1904 {
1905 struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
1906
1907 if (psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1908 drm_mode_destroy(encoder->dev,
1909 psb_intel_sdvo->sdvo_lvds_fixed_mode);
1910
1911 i2c_del_adapter(&psb_intel_sdvo->ddc);
1912 gma_encoder_destroy(encoder);
1913 }
1914
1915 static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
1916 .destroy = psb_intel_sdvo_enc_destroy,
1917 };
1918
1919 static void
1920 psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
1921 {
1922 /* FIXME: At the moment, ddc_bus = 2 is the only thing that works.
1923 * We need to figure out if this is true for all available poulsbo
1924 * hardware, or if we need to fiddle with the guessing code above.
1925 * The problem might go away if we can parse sdvo mappings from bios */
1926 sdvo->ddc_bus = 2;
1927
1928 #if 0
1929 uint16_t mask = 0;
1930 unsigned int num_bits;
1931
1932 /* Make a mask of outputs less than or equal to our own priority in the
1933 * list.
1934 */
1935 switch (sdvo->controlled_output) {
1936 case SDVO_OUTPUT_LVDS1:
1937 mask |= SDVO_OUTPUT_LVDS1;
1938 case SDVO_OUTPUT_LVDS0:
1939 mask |= SDVO_OUTPUT_LVDS0;
1940 case SDVO_OUTPUT_TMDS1:
1941 mask |= SDVO_OUTPUT_TMDS1;
1942 case SDVO_OUTPUT_TMDS0:
1943 mask |= SDVO_OUTPUT_TMDS0;
1944 case SDVO_OUTPUT_RGB1:
1945 mask |= SDVO_OUTPUT_RGB1;
1946 case SDVO_OUTPUT_RGB0:
1947 mask |= SDVO_OUTPUT_RGB0;
1948 break;
1949 }
1950
1951 /* Count bits to find what number we are in the priority list. */
1952 mask &= sdvo->caps.output_flags;
1953 num_bits = hweight16(mask);
1954 /* If more than 3 outputs, default to DDC bus 3 for now. */
1955 if (num_bits > 3)
1956 num_bits = 3;
1957
1958 /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1959 sdvo->ddc_bus = 1 << num_bits;
1960 #endif
1961 }
1962
1963 /**
1964 * Choose the appropriate DDC bus for control bus switch command for this
1965 * SDVO output based on the controlled output.
1966 *
1967 * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1968 * outputs, then LVDS outputs.
1969 */
1970 static void
1971 psb_intel_sdvo_select_ddc_bus(struct drm_psb_private *dev_priv,
1972 struct psb_intel_sdvo *sdvo, u32 reg)
1973 {
1974 struct sdvo_device_mapping *mapping;
1975
1976 if (IS_SDVOB(reg))
1977 mapping = &(dev_priv->sdvo_mappings[0]);
1978 else
1979 mapping = &(dev_priv->sdvo_mappings[1]);
1980
1981 if (mapping->initialized)
1982 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1983 else
1984 psb_intel_sdvo_guess_ddc_bus(sdvo);
1985 }
1986
1987 static void
1988 psb_intel_sdvo_select_i2c_bus(struct drm_psb_private *dev_priv,
1989 struct psb_intel_sdvo *sdvo, u32 reg)
1990 {
1991 struct sdvo_device_mapping *mapping;
1992 u8 pin, speed;
1993
1994 if (IS_SDVOB(reg))
1995 mapping = &dev_priv->sdvo_mappings[0];
1996 else
1997 mapping = &dev_priv->sdvo_mappings[1];
1998
1999 pin = GMBUS_PORT_DPB;
2000 speed = GMBUS_RATE_1MHZ >> 8;
2001 if (mapping->initialized) {
2002 pin = mapping->i2c_pin;
2003 speed = mapping->i2c_speed;
2004 }
2005
2006 if (pin < GMBUS_NUM_PORTS) {
2007 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
2008 gma_intel_gmbus_set_speed(sdvo->i2c, speed);
2009 gma_intel_gmbus_force_bit(sdvo->i2c, true);
2010 } else
2011 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
2012 }
2013
2014 static bool
2015 psb_intel_sdvo_is_hdmi_connector(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2016 {
2017 return psb_intel_sdvo_check_supp_encode(psb_intel_sdvo);
2018 }
2019
2020 static u8
2021 psb_intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
2022 {
2023 struct drm_psb_private *dev_priv = dev->dev_private;
2024 struct sdvo_device_mapping *my_mapping, *other_mapping;
2025
2026 if (IS_SDVOB(sdvo_reg)) {
2027 my_mapping = &dev_priv->sdvo_mappings[0];
2028 other_mapping = &dev_priv->sdvo_mappings[1];
2029 } else {
2030 my_mapping = &dev_priv->sdvo_mappings[1];
2031 other_mapping = &dev_priv->sdvo_mappings[0];
2032 }
2033
2034 /* If the BIOS described our SDVO device, take advantage of it. */
2035 if (my_mapping->slave_addr)
2036 return my_mapping->slave_addr;
2037
2038 /* If the BIOS only described a different SDVO device, use the
2039 * address that it isn't using.
2040 */
2041 if (other_mapping->slave_addr) {
2042 if (other_mapping->slave_addr == 0x70)
2043 return 0x72;
2044 else
2045 return 0x70;
2046 }
2047
2048 /* No SDVO device info is found for another DVO port,
2049 * so use mapping assumption we had before BIOS parsing.
2050 */
2051 if (IS_SDVOB(sdvo_reg))
2052 return 0x70;
2053 else
2054 return 0x72;
2055 }
2056
2057 static void
2058 psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector,
2059 struct psb_intel_sdvo *encoder)
2060 {
2061 drm_connector_init(encoder->base.base.dev,
2062 &connector->base.base,
2063 &psb_intel_sdvo_connector_funcs,
2064 connector->base.base.connector_type);
2065
2066 drm_connector_helper_add(&connector->base.base,
2067 &psb_intel_sdvo_connector_helper_funcs);
2068
2069 connector->base.base.interlace_allowed = 0;
2070 connector->base.base.doublescan_allowed = 0;
2071 connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2072
2073 gma_connector_attach_encoder(&connector->base, &encoder->base);
2074 drm_sysfs_connector_add(&connector->base.base);
2075 }
2076
2077 static void
2078 psb_intel_sdvo_add_hdmi_properties(struct psb_intel_sdvo_connector *connector)
2079 {
2080 /* FIXME: We don't support HDMI at the moment
2081 struct drm_device *dev = connector->base.base.dev;
2082
2083 intel_attach_force_audio_property(&connector->base.base);
2084 intel_attach_broadcast_rgb_property(&connector->base.base);
2085 */
2086 }
2087
2088 static bool
2089 psb_intel_sdvo_dvi_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2090 {
2091 struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2092 struct drm_connector *connector;
2093 struct gma_connector *intel_connector;
2094 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2095
2096 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2097 if (!psb_intel_sdvo_connector)
2098 return false;
2099
2100 if (device == 0) {
2101 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2102 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2103 } else if (device == 1) {
2104 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2105 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2106 }
2107
2108 intel_connector = &psb_intel_sdvo_connector->base;
2109 connector = &intel_connector->base;
2110 // connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2111 encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2112 connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2113
2114 if (psb_intel_sdvo_is_hdmi_connector(psb_intel_sdvo, device)) {
2115 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2116 psb_intel_sdvo->is_hdmi = true;
2117 }
2118 psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2119 (1 << INTEL_ANALOG_CLONE_BIT));
2120
2121 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2122 if (psb_intel_sdvo->is_hdmi)
2123 psb_intel_sdvo_add_hdmi_properties(psb_intel_sdvo_connector);
2124
2125 return true;
2126 }
2127
2128 static bool
2129 psb_intel_sdvo_tv_init(struct psb_intel_sdvo *psb_intel_sdvo, int type)
2130 {
2131 struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2132 struct drm_connector *connector;
2133 struct gma_connector *intel_connector;
2134 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2135
2136 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2137 if (!psb_intel_sdvo_connector)
2138 return false;
2139
2140 intel_connector = &psb_intel_sdvo_connector->base;
2141 connector = &intel_connector->base;
2142 encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2143 connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2144
2145 psb_intel_sdvo->controlled_output |= type;
2146 psb_intel_sdvo_connector->output_flag = type;
2147
2148 psb_intel_sdvo->is_tv = true;
2149 psb_intel_sdvo->base.needs_tv_clock = true;
2150 psb_intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2151
2152 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2153
2154 if (!psb_intel_sdvo_tv_create_property(psb_intel_sdvo, psb_intel_sdvo_connector, type))
2155 goto err;
2156
2157 if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2158 goto err;
2159
2160 return true;
2161
2162 err:
2163 psb_intel_sdvo_destroy(connector);
2164 return false;
2165 }
2166
2167 static bool
2168 psb_intel_sdvo_analog_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2169 {
2170 struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2171 struct drm_connector *connector;
2172 struct gma_connector *intel_connector;
2173 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2174
2175 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2176 if (!psb_intel_sdvo_connector)
2177 return false;
2178
2179 intel_connector = &psb_intel_sdvo_connector->base;
2180 connector = &intel_connector->base;
2181 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2182 encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2183 connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2184
2185 if (device == 0) {
2186 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2187 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2188 } else if (device == 1) {
2189 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2190 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2191 }
2192
2193 psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2194 (1 << INTEL_ANALOG_CLONE_BIT));
2195
2196 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector,
2197 psb_intel_sdvo);
2198 return true;
2199 }
2200
2201 static bool
2202 psb_intel_sdvo_lvds_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
2203 {
2204 struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
2205 struct drm_connector *connector;
2206 struct gma_connector *intel_connector;
2207 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
2208
2209 psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
2210 if (!psb_intel_sdvo_connector)
2211 return false;
2212
2213 intel_connector = &psb_intel_sdvo_connector->base;
2214 connector = &intel_connector->base;
2215 encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2216 connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2217
2218 if (device == 0) {
2219 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2220 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2221 } else if (device == 1) {
2222 psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2223 psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2224 }
2225
2226 psb_intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2227 (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2228
2229 psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
2230 if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
2231 goto err;
2232
2233 return true;
2234
2235 err:
2236 psb_intel_sdvo_destroy(connector);
2237 return false;
2238 }
2239
2240 static bool
2241 psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags)
2242 {
2243 psb_intel_sdvo->is_tv = false;
2244 psb_intel_sdvo->base.needs_tv_clock = false;
2245 psb_intel_sdvo->is_lvds = false;
2246
2247 /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2248
2249 if (flags & SDVO_OUTPUT_TMDS0)
2250 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 0))
2251 return false;
2252
2253 if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2254 if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 1))
2255 return false;
2256
2257 /* TV has no XXX1 function block */
2258 if (flags & SDVO_OUTPUT_SVID0)
2259 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_SVID0))
2260 return false;
2261
2262 if (flags & SDVO_OUTPUT_CVBS0)
2263 if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_CVBS0))
2264 return false;
2265
2266 if (flags & SDVO_OUTPUT_RGB0)
2267 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 0))
2268 return false;
2269
2270 if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2271 if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 1))
2272 return false;
2273
2274 if (flags & SDVO_OUTPUT_LVDS0)
2275 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 0))
2276 return false;
2277
2278 if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2279 if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 1))
2280 return false;
2281
2282 if ((flags & SDVO_OUTPUT_MASK) == 0) {
2283 unsigned char bytes[2];
2284
2285 psb_intel_sdvo->controlled_output = 0;
2286 memcpy(bytes, &psb_intel_sdvo->caps.output_flags, 2);
2287 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2288 SDVO_NAME(psb_intel_sdvo),
2289 bytes[0], bytes[1]);
2290 return false;
2291 }
2292 psb_intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
2293
2294 return true;
2295 }
2296
2297 static bool psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
2298 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2299 int type)
2300 {
2301 struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2302 struct psb_intel_sdvo_tv_format format;
2303 uint32_t format_map, i;
2304
2305 if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, type))
2306 return false;
2307
2308 BUILD_BUG_ON(sizeof(format) != 6);
2309 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2310 SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2311 &format, sizeof(format)))
2312 return false;
2313
2314 memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2315
2316 if (format_map == 0)
2317 return false;
2318
2319 psb_intel_sdvo_connector->format_supported_num = 0;
2320 for (i = 0 ; i < TV_FORMAT_NUM; i++)
2321 if (format_map & (1 << i))
2322 psb_intel_sdvo_connector->tv_format_supported[psb_intel_sdvo_connector->format_supported_num++] = i;
2323
2324
2325 psb_intel_sdvo_connector->tv_format =
2326 drm_property_create(dev, DRM_MODE_PROP_ENUM,
2327 "mode", psb_intel_sdvo_connector->format_supported_num);
2328 if (!psb_intel_sdvo_connector->tv_format)
2329 return false;
2330
2331 for (i = 0; i < psb_intel_sdvo_connector->format_supported_num; i++)
2332 drm_property_add_enum(
2333 psb_intel_sdvo_connector->tv_format, i,
2334 i, tv_format_names[psb_intel_sdvo_connector->tv_format_supported[i]]);
2335
2336 psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[0];
2337 drm_object_attach_property(&psb_intel_sdvo_connector->base.base.base,
2338 psb_intel_sdvo_connector->tv_format, 0);
2339 return true;
2340
2341 }
2342
2343 #define ENHANCEMENT(name, NAME) do { \
2344 if (enhancements.name) { \
2345 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2346 !psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2347 return false; \
2348 psb_intel_sdvo_connector->max_##name = data_value[0]; \
2349 psb_intel_sdvo_connector->cur_##name = response; \
2350 psb_intel_sdvo_connector->name = \
2351 drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2352 if (!psb_intel_sdvo_connector->name) return false; \
2353 drm_object_attach_property(&connector->base, \
2354 psb_intel_sdvo_connector->name, \
2355 psb_intel_sdvo_connector->cur_##name); \
2356 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2357 data_value[0], data_value[1], response); \
2358 } \
2359 } while(0)
2360
2361 static bool
2362 psb_intel_sdvo_create_enhance_property_tv(struct psb_intel_sdvo *psb_intel_sdvo,
2363 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2364 struct psb_intel_sdvo_enhancements_reply enhancements)
2365 {
2366 struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2367 struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2368 uint16_t response, data_value[2];
2369
2370 /* when horizontal overscan is supported, Add the left/right property */
2371 if (enhancements.overscan_h) {
2372 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2373 SDVO_CMD_GET_MAX_OVERSCAN_H,
2374 &data_value, 4))
2375 return false;
2376
2377 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2378 SDVO_CMD_GET_OVERSCAN_H,
2379 &response, 2))
2380 return false;
2381
2382 psb_intel_sdvo_connector->max_hscan = data_value[0];
2383 psb_intel_sdvo_connector->left_margin = data_value[0] - response;
2384 psb_intel_sdvo_connector->right_margin = psb_intel_sdvo_connector->left_margin;
2385 psb_intel_sdvo_connector->left =
2386 drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2387 if (!psb_intel_sdvo_connector->left)
2388 return false;
2389
2390 drm_object_attach_property(&connector->base,
2391 psb_intel_sdvo_connector->left,
2392 psb_intel_sdvo_connector->left_margin);
2393
2394 psb_intel_sdvo_connector->right =
2395 drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2396 if (!psb_intel_sdvo_connector->right)
2397 return false;
2398
2399 drm_object_attach_property(&connector->base,
2400 psb_intel_sdvo_connector->right,
2401 psb_intel_sdvo_connector->right_margin);
2402 DRM_DEBUG_KMS("h_overscan: max %d, "
2403 "default %d, current %d\n",
2404 data_value[0], data_value[1], response);
2405 }
2406
2407 if (enhancements.overscan_v) {
2408 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2409 SDVO_CMD_GET_MAX_OVERSCAN_V,
2410 &data_value, 4))
2411 return false;
2412
2413 if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
2414 SDVO_CMD_GET_OVERSCAN_V,
2415 &response, 2))
2416 return false;
2417
2418 psb_intel_sdvo_connector->max_vscan = data_value[0];
2419 psb_intel_sdvo_connector->top_margin = data_value[0] - response;
2420 psb_intel_sdvo_connector->bottom_margin = psb_intel_sdvo_connector->top_margin;
2421 psb_intel_sdvo_connector->top =
2422 drm_property_create_range(dev, 0, "top_margin", 0, data_value[0]);
2423 if (!psb_intel_sdvo_connector->top)
2424 return false;
2425
2426 drm_object_attach_property(&connector->base,
2427 psb_intel_sdvo_connector->top,
2428 psb_intel_sdvo_connector->top_margin);
2429
2430 psb_intel_sdvo_connector->bottom =
2431 drm_property_create_range(dev, 0, "bottom_margin", 0, data_value[0]);
2432 if (!psb_intel_sdvo_connector->bottom)
2433 return false;
2434
2435 drm_object_attach_property(&connector->base,
2436 psb_intel_sdvo_connector->bottom,
2437 psb_intel_sdvo_connector->bottom_margin);
2438 DRM_DEBUG_KMS("v_overscan: max %d, "
2439 "default %d, current %d\n",
2440 data_value[0], data_value[1], response);
2441 }
2442
2443 ENHANCEMENT(hpos, HPOS);
2444 ENHANCEMENT(vpos, VPOS);
2445 ENHANCEMENT(saturation, SATURATION);
2446 ENHANCEMENT(contrast, CONTRAST);
2447 ENHANCEMENT(hue, HUE);
2448 ENHANCEMENT(sharpness, SHARPNESS);
2449 ENHANCEMENT(brightness, BRIGHTNESS);
2450 ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2451 ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2452 ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2453 ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2454 ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2455
2456 if (enhancements.dot_crawl) {
2457 if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2458 return false;
2459
2460 psb_intel_sdvo_connector->max_dot_crawl = 1;
2461 psb_intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2462 psb_intel_sdvo_connector->dot_crawl =
2463 drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2464 if (!psb_intel_sdvo_connector->dot_crawl)
2465 return false;
2466
2467 drm_object_attach_property(&connector->base,
2468 psb_intel_sdvo_connector->dot_crawl,
2469 psb_intel_sdvo_connector->cur_dot_crawl);
2470 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2471 }
2472
2473 return true;
2474 }
2475
2476 static bool
2477 psb_intel_sdvo_create_enhance_property_lvds(struct psb_intel_sdvo *psb_intel_sdvo,
2478 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
2479 struct psb_intel_sdvo_enhancements_reply enhancements)
2480 {
2481 struct drm_device *dev = psb_intel_sdvo->base.base.dev;
2482 struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
2483 uint16_t response, data_value[2];
2484
2485 ENHANCEMENT(brightness, BRIGHTNESS);
2486
2487 return true;
2488 }
2489 #undef ENHANCEMENT
2490
2491 static bool psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
2492 struct psb_intel_sdvo_connector *psb_intel_sdvo_connector)
2493 {
2494 union {
2495 struct psb_intel_sdvo_enhancements_reply reply;
2496 uint16_t response;
2497 } enhancements;
2498
2499 BUILD_BUG_ON(sizeof(enhancements) != 2);
2500
2501 enhancements.response = 0;
2502 psb_intel_sdvo_get_value(psb_intel_sdvo,
2503 SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2504 &enhancements, sizeof(enhancements));
2505 if (enhancements.response == 0) {
2506 DRM_DEBUG_KMS("No enhancement is supported\n");
2507 return true;
2508 }
2509
2510 if (IS_TV(psb_intel_sdvo_connector))
2511 return psb_intel_sdvo_create_enhance_property_tv(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2512 else if(IS_LVDS(psb_intel_sdvo_connector))
2513 return psb_intel_sdvo_create_enhance_property_lvds(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
2514 else
2515 return true;
2516 }
2517
2518 static int psb_intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2519 struct i2c_msg *msgs,
2520 int num)
2521 {
2522 struct psb_intel_sdvo *sdvo = adapter->algo_data;
2523
2524 if (!psb_intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2525 return -EIO;
2526
2527 return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2528 }
2529
2530 static u32 psb_intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2531 {
2532 struct psb_intel_sdvo *sdvo = adapter->algo_data;
2533 return sdvo->i2c->algo->functionality(sdvo->i2c);
2534 }
2535
2536 static const struct i2c_algorithm psb_intel_sdvo_ddc_proxy = {
2537 .master_xfer = psb_intel_sdvo_ddc_proxy_xfer,
2538 .functionality = psb_intel_sdvo_ddc_proxy_func
2539 };
2540
2541 static bool
2542 psb_intel_sdvo_init_ddc_proxy(struct psb_intel_sdvo *sdvo,
2543 struct drm_device *dev)
2544 {
2545 sdvo->ddc.owner = THIS_MODULE;
2546 sdvo->ddc.class = I2C_CLASS_DDC;
2547 snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2548 sdvo->ddc.dev.parent = &dev->pdev->dev;
2549 sdvo->ddc.algo_data = sdvo;
2550 sdvo->ddc.algo = &psb_intel_sdvo_ddc_proxy;
2551
2552 return i2c_add_adapter(&sdvo->ddc) == 0;
2553 }
2554
2555 bool psb_intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2556 {
2557 struct drm_psb_private *dev_priv = dev->dev_private;
2558 struct gma_encoder *gma_encoder;
2559 struct psb_intel_sdvo *psb_intel_sdvo;
2560 int i;
2561
2562 psb_intel_sdvo = kzalloc(sizeof(struct psb_intel_sdvo), GFP_KERNEL);
2563 if (!psb_intel_sdvo)
2564 return false;
2565
2566 psb_intel_sdvo->sdvo_reg = sdvo_reg;
2567 psb_intel_sdvo->slave_addr = psb_intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2568 psb_intel_sdvo_select_i2c_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2569 if (!psb_intel_sdvo_init_ddc_proxy(psb_intel_sdvo, dev)) {
2570 kfree(psb_intel_sdvo);
2571 return false;
2572 }
2573
2574 /* encoder type will be decided later */
2575 gma_encoder = &psb_intel_sdvo->base;
2576 gma_encoder->type = INTEL_OUTPUT_SDVO;
2577 drm_encoder_init(dev, &gma_encoder->base, &psb_intel_sdvo_enc_funcs, 0);
2578
2579 /* Read the regs to test if we can talk to the device */
2580 for (i = 0; i < 0x40; i++) {
2581 u8 byte;
2582
2583 if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, i, &byte)) {
2584 DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2585 IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2586 goto err;
2587 }
2588 }
2589
2590 if (IS_SDVOB(sdvo_reg))
2591 dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
2592 else
2593 dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
2594
2595 drm_encoder_helper_add(&gma_encoder->base, &psb_intel_sdvo_helper_funcs);
2596
2597 /* In default case sdvo lvds is false */
2598 if (!psb_intel_sdvo_get_capabilities(psb_intel_sdvo, &psb_intel_sdvo->caps))
2599 goto err;
2600
2601 if (psb_intel_sdvo_output_setup(psb_intel_sdvo,
2602 psb_intel_sdvo->caps.output_flags) != true) {
2603 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2604 IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2605 goto err;
2606 }
2607
2608 psb_intel_sdvo_select_ddc_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
2609
2610 /* Set the input timing to the screen. Assume always input 0. */
2611 if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
2612 goto err;
2613
2614 if (!psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_sdvo,
2615 &psb_intel_sdvo->pixel_clock_min,
2616 &psb_intel_sdvo->pixel_clock_max))
2617 goto err;
2618
2619 DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2620 "clock range %dMHz - %dMHz, "
2621 "input 1: %c, input 2: %c, "
2622 "output 1: %c, output 2: %c\n",
2623 SDVO_NAME(psb_intel_sdvo),
2624 psb_intel_sdvo->caps.vendor_id, psb_intel_sdvo->caps.device_id,
2625 psb_intel_sdvo->caps.device_rev_id,
2626 psb_intel_sdvo->pixel_clock_min / 1000,
2627 psb_intel_sdvo->pixel_clock_max / 1000,
2628 (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2629 (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2630 /* check currently supported outputs */
2631 psb_intel_sdvo->caps.output_flags &
2632 (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2633 psb_intel_sdvo->caps.output_flags &
2634 (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2635 return true;
2636
2637 err:
2638 drm_encoder_cleanup(&gma_encoder->base);
2639 i2c_del_adapter(&psb_intel_sdvo->ddc);
2640 kfree(psb_intel_sdvo);
2641
2642 return false;
2643 }
Linux kernel - Deliverables
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