drm/i915/sdvo: Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC.
[linux-2.6.git] / drivers / gpu / drm / i915 / 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/i2c.h>
29 #include <linux/slab.h>
30 #include <linux/delay.h>
31 #include <linux/export.h>
32 #include "drmP.h"
33 #include "drm.h"
34 #include "drm_crtc.h"
35 #include "drm_edid.h"
36 #include "intel_drv.h"
37 #include "i915_drm.h"
38 #include "i915_drv.h"
39 #include "intel_sdvo_regs.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 #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
54
55
56 static const char *tv_format_names[] = {
57         "NTSC_M"   , "NTSC_J"  , "NTSC_443",
58         "PAL_B"    , "PAL_D"   , "PAL_G"   ,
59         "PAL_H"    , "PAL_I"   , "PAL_M"   ,
60         "PAL_N"    , "PAL_NC"  , "PAL_60"  ,
61         "SECAM_B"  , "SECAM_D" , "SECAM_G" ,
62         "SECAM_K"  , "SECAM_K1", "SECAM_L" ,
63         "SECAM_60"
64 };
65
66 #define TV_FORMAT_NUM  (sizeof(tv_format_names) / sizeof(*tv_format_names))
67
68 struct intel_sdvo {
69         struct intel_encoder base;
70
71         struct i2c_adapter *i2c;
72         u8 slave_addr;
73
74         struct i2c_adapter ddc;
75
76         /* Register for the SDVO device: SDVOB or SDVOC */
77         int sdvo_reg;
78
79         /* Active outputs controlled by this SDVO output */
80         uint16_t controlled_output;
81
82         /*
83          * Capabilities of the SDVO device returned by
84          * i830_sdvo_get_capabilities()
85          */
86         struct intel_sdvo_caps caps;
87
88         /* Pixel clock limitations reported by the SDVO device, in kHz */
89         int pixel_clock_min, pixel_clock_max;
90
91         /*
92         * For multiple function SDVO device,
93         * this is for current attached outputs.
94         */
95         uint16_t attached_output;
96
97         /*
98          * Hotplug activation bits for this device
99          */
100         uint8_t hotplug_active[2];
101
102         /**
103          * This is used to select the color range of RBG outputs in HDMI mode.
104          * It is only valid when using TMDS encoding and 8 bit per color mode.
105          */
106         uint32_t color_range;
107
108         /**
109          * This is set if we're going to treat the device as TV-out.
110          *
111          * While we have these nice friendly flags for output types that ought
112          * to decide this for us, the S-Video output on our HDMI+S-Video card
113          * shows up as RGB1 (VGA).
114          */
115         bool is_tv;
116
117         /* This is for current tv format name */
118         int tv_format_index;
119
120         /**
121          * This is set if we treat the device as HDMI, instead of DVI.
122          */
123         bool is_hdmi;
124         bool has_hdmi_monitor;
125         bool has_hdmi_audio;
126
127         /**
128          * This is set if we detect output of sdvo device as LVDS and
129          * have a valid fixed mode to use with the panel.
130          */
131         bool is_lvds;
132
133         /**
134          * This is sdvo fixed pannel mode pointer
135          */
136         struct drm_display_mode *sdvo_lvds_fixed_mode;
137
138         /* DDC bus used by this SDVO encoder */
139         uint8_t ddc_bus;
140
141         /* Input timings for adjusted_mode */
142         struct intel_sdvo_dtd input_dtd;
143 };
144
145 struct intel_sdvo_connector {
146         struct intel_connector base;
147
148         /* Mark the type of connector */
149         uint16_t output_flag;
150
151         enum hdmi_force_audio force_audio;
152
153         /* This contains all current supported TV format */
154         u8 tv_format_supported[TV_FORMAT_NUM];
155         int   format_supported_num;
156         struct drm_property *tv_format;
157
158         /* add the property for the SDVO-TV */
159         struct drm_property *left;
160         struct drm_property *right;
161         struct drm_property *top;
162         struct drm_property *bottom;
163         struct drm_property *hpos;
164         struct drm_property *vpos;
165         struct drm_property *contrast;
166         struct drm_property *saturation;
167         struct drm_property *hue;
168         struct drm_property *sharpness;
169         struct drm_property *flicker_filter;
170         struct drm_property *flicker_filter_adaptive;
171         struct drm_property *flicker_filter_2d;
172         struct drm_property *tv_chroma_filter;
173         struct drm_property *tv_luma_filter;
174         struct drm_property *dot_crawl;
175
176         /* add the property for the SDVO-TV/LVDS */
177         struct drm_property *brightness;
178
179         /* Add variable to record current setting for the above property */
180         u32     left_margin, right_margin, top_margin, bottom_margin;
181
182         /* this is to get the range of margin.*/
183         u32     max_hscan,  max_vscan;
184         u32     max_hpos, cur_hpos;
185         u32     max_vpos, cur_vpos;
186         u32     cur_brightness, max_brightness;
187         u32     cur_contrast,   max_contrast;
188         u32     cur_saturation, max_saturation;
189         u32     cur_hue,        max_hue;
190         u32     cur_sharpness,  max_sharpness;
191         u32     cur_flicker_filter,             max_flicker_filter;
192         u32     cur_flicker_filter_adaptive,    max_flicker_filter_adaptive;
193         u32     cur_flicker_filter_2d,          max_flicker_filter_2d;
194         u32     cur_tv_chroma_filter,   max_tv_chroma_filter;
195         u32     cur_tv_luma_filter,     max_tv_luma_filter;
196         u32     cur_dot_crawl,  max_dot_crawl;
197 };
198
199 static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
200 {
201         return container_of(encoder, struct intel_sdvo, base.base);
202 }
203
204 static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
205 {
206         return container_of(intel_attached_encoder(connector),
207                             struct intel_sdvo, base);
208 }
209
210 static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
211 {
212         return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
213 }
214
215 static bool
216 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
217 static bool
218 intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
219                               struct intel_sdvo_connector *intel_sdvo_connector,
220                               int type);
221 static bool
222 intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
223                                    struct intel_sdvo_connector *intel_sdvo_connector);
224
225 /**
226  * Writes the SDVOB or SDVOC with the given value, but always writes both
227  * SDVOB and SDVOC to work around apparent hardware issues (according to
228  * comments in the BIOS).
229  */
230 static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
231 {
232         struct drm_device *dev = intel_sdvo->base.base.dev;
233         struct drm_i915_private *dev_priv = dev->dev_private;
234         u32 bval = val, cval = val;
235         int i;
236
237         if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
238                 I915_WRITE(intel_sdvo->sdvo_reg, val);
239                 I915_READ(intel_sdvo->sdvo_reg);
240                 return;
241         }
242
243         if (intel_sdvo->sdvo_reg == SDVOB) {
244                 cval = I915_READ(SDVOC);
245         } else {
246                 bval = I915_READ(SDVOB);
247         }
248         /*
249          * Write the registers twice for luck. Sometimes,
250          * writing them only once doesn't appear to 'stick'.
251          * The BIOS does this too. Yay, magic
252          */
253         for (i = 0; i < 2; i++)
254         {
255                 I915_WRITE(SDVOB, bval);
256                 I915_READ(SDVOB);
257                 I915_WRITE(SDVOC, cval);
258                 I915_READ(SDVOC);
259         }
260 }
261
262 static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
263 {
264         struct i2c_msg msgs[] = {
265                 {
266                         .addr = intel_sdvo->slave_addr,
267                         .flags = 0,
268                         .len = 1,
269                         .buf = &addr,
270                 },
271                 {
272                         .addr = intel_sdvo->slave_addr,
273                         .flags = I2C_M_RD,
274                         .len = 1,
275                         .buf = ch,
276                 }
277         };
278         int ret;
279
280         if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
281                 return true;
282
283         DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
284         return false;
285 }
286
287 #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
288 /** Mapping of command numbers to names, for debug output */
289 static const struct _sdvo_cmd_name {
290         u8 cmd;
291         const char *name;
292 } sdvo_cmd_names[] = {
293         SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
294         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
295         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
296         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
297         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
298         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
299         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
300         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
301         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
302         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
303         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
304         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
305         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
306         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
307         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
308         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
309         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
310         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
311         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
312         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
313         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
314         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
315         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
316         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
317         SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
318         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
319         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
320         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
321         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
322         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
323         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
324         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
325         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
326         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
327         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
328         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
329         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
330         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
331         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
332         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
333         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
334         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
335         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
336
337         /* Add the op code for SDVO enhancements */
338         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
339         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
340         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
341         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
342         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
343         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
344         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
345         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
346         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
347         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
348         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
349         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
350         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
351         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
352         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
353         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
354         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
355         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
356         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
357         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
358         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
359         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
360         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
361         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
362         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
363         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
364         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
365         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
366         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
367         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
368         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
369         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
370         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
371         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
372         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
373         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
374         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
375         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
376         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
377         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
378         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
379         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
380         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
381         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
382
383         /* HDMI op code */
384         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
385         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
386         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
387         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
388         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
389         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
390         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
391         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
392         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
393         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
394         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
395         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
396         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
397         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
398         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
399         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
400         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
401         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
402         SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
403         SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
404 };
405
406 #define IS_SDVOB(reg)   (reg == SDVOB || reg == PCH_SDVOB)
407 #define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
408
409 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
410                                    const void *args, int args_len)
411 {
412         int i;
413
414         DRM_DEBUG_KMS("%s: W: %02X ",
415                                 SDVO_NAME(intel_sdvo), cmd);
416         for (i = 0; i < args_len; i++)
417                 DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
418         for (; i < 8; i++)
419                 DRM_LOG_KMS("   ");
420         for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
421                 if (cmd == sdvo_cmd_names[i].cmd) {
422                         DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
423                         break;
424                 }
425         }
426         if (i == ARRAY_SIZE(sdvo_cmd_names))
427                 DRM_LOG_KMS("(%02X)", cmd);
428         DRM_LOG_KMS("\n");
429 }
430
431 static const char *cmd_status_names[] = {
432         "Power on",
433         "Success",
434         "Not supported",
435         "Invalid arg",
436         "Pending",
437         "Target not specified",
438         "Scaling not supported"
439 };
440
441 static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
442                                  const void *args, int args_len)
443 {
444         u8 buf[args_len*2 + 2], status;
445         struct i2c_msg msgs[args_len + 3];
446         int i, ret;
447
448         intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
449
450         for (i = 0; i < args_len; i++) {
451                 msgs[i].addr = intel_sdvo->slave_addr;
452                 msgs[i].flags = 0;
453                 msgs[i].len = 2;
454                 msgs[i].buf = buf + 2 *i;
455                 buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
456                 buf[2*i + 1] = ((u8*)args)[i];
457         }
458         msgs[i].addr = intel_sdvo->slave_addr;
459         msgs[i].flags = 0;
460         msgs[i].len = 2;
461         msgs[i].buf = buf + 2*i;
462         buf[2*i + 0] = SDVO_I2C_OPCODE;
463         buf[2*i + 1] = cmd;
464
465         /* the following two are to read the response */
466         status = SDVO_I2C_CMD_STATUS;
467         msgs[i+1].addr = intel_sdvo->slave_addr;
468         msgs[i+1].flags = 0;
469         msgs[i+1].len = 1;
470         msgs[i+1].buf = &status;
471
472         msgs[i+2].addr = intel_sdvo->slave_addr;
473         msgs[i+2].flags = I2C_M_RD;
474         msgs[i+2].len = 1;
475         msgs[i+2].buf = &status;
476
477         ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
478         if (ret < 0) {
479                 DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
480                 return false;
481         }
482         if (ret != i+3) {
483                 /* failure in I2C transfer */
484                 DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
485                 return false;
486         }
487
488         return true;
489 }
490
491 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
492                                      void *response, int response_len)
493 {
494         u8 retry = 5;
495         u8 status;
496         int i;
497
498         DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
499
500         /*
501          * The documentation states that all commands will be
502          * processed within 15µs, and that we need only poll
503          * the status byte a maximum of 3 times in order for the
504          * command to be complete.
505          *
506          * Check 5 times in case the hardware failed to read the docs.
507          */
508         if (!intel_sdvo_read_byte(intel_sdvo,
509                                   SDVO_I2C_CMD_STATUS,
510                                   &status))
511                 goto log_fail;
512
513         while (status == SDVO_CMD_STATUS_PENDING && retry--) {
514                 udelay(15);
515                 if (!intel_sdvo_read_byte(intel_sdvo,
516                                           SDVO_I2C_CMD_STATUS,
517                                           &status))
518                         goto log_fail;
519         }
520
521         if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
522                 DRM_LOG_KMS("(%s)", cmd_status_names[status]);
523         else
524                 DRM_LOG_KMS("(??? %d)", status);
525
526         if (status != SDVO_CMD_STATUS_SUCCESS)
527                 goto log_fail;
528
529         /* Read the command response */
530         for (i = 0; i < response_len; i++) {
531                 if (!intel_sdvo_read_byte(intel_sdvo,
532                                           SDVO_I2C_RETURN_0 + i,
533                                           &((u8 *)response)[i]))
534                         goto log_fail;
535                 DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
536         }
537         DRM_LOG_KMS("\n");
538         return true;
539
540 log_fail:
541         DRM_LOG_KMS("... failed\n");
542         return false;
543 }
544
545 static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
546 {
547         if (mode->clock >= 100000)
548                 return 1;
549         else if (mode->clock >= 50000)
550                 return 2;
551         else
552                 return 4;
553 }
554
555 static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
556                                               u8 ddc_bus)
557 {
558         /* This must be the immediately preceding write before the i2c xfer */
559         return intel_sdvo_write_cmd(intel_sdvo,
560                                     SDVO_CMD_SET_CONTROL_BUS_SWITCH,
561                                     &ddc_bus, 1);
562 }
563
564 static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
565 {
566         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
567                 return false;
568
569         return intel_sdvo_read_response(intel_sdvo, NULL, 0);
570 }
571
572 static bool
573 intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
574 {
575         if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
576                 return false;
577
578         return intel_sdvo_read_response(intel_sdvo, value, len);
579 }
580
581 static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
582 {
583         struct intel_sdvo_set_target_input_args targets = {0};
584         return intel_sdvo_set_value(intel_sdvo,
585                                     SDVO_CMD_SET_TARGET_INPUT,
586                                     &targets, sizeof(targets));
587 }
588
589 /**
590  * Return whether each input is trained.
591  *
592  * This function is making an assumption about the layout of the response,
593  * which should be checked against the docs.
594  */
595 static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
596 {
597         struct intel_sdvo_get_trained_inputs_response response;
598
599         BUILD_BUG_ON(sizeof(response) != 1);
600         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
601                                   &response, sizeof(response)))
602                 return false;
603
604         *input_1 = response.input0_trained;
605         *input_2 = response.input1_trained;
606         return true;
607 }
608
609 static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
610                                           u16 outputs)
611 {
612         return intel_sdvo_set_value(intel_sdvo,
613                                     SDVO_CMD_SET_ACTIVE_OUTPUTS,
614                                     &outputs, sizeof(outputs));
615 }
616
617 static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
618                                                int mode)
619 {
620         u8 state = SDVO_ENCODER_STATE_ON;
621
622         switch (mode) {
623         case DRM_MODE_DPMS_ON:
624                 state = SDVO_ENCODER_STATE_ON;
625                 break;
626         case DRM_MODE_DPMS_STANDBY:
627                 state = SDVO_ENCODER_STATE_STANDBY;
628                 break;
629         case DRM_MODE_DPMS_SUSPEND:
630                 state = SDVO_ENCODER_STATE_SUSPEND;
631                 break;
632         case DRM_MODE_DPMS_OFF:
633                 state = SDVO_ENCODER_STATE_OFF;
634                 break;
635         }
636
637         return intel_sdvo_set_value(intel_sdvo,
638                                     SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
639 }
640
641 static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
642                                                    int *clock_min,
643                                                    int *clock_max)
644 {
645         struct intel_sdvo_pixel_clock_range clocks;
646
647         BUILD_BUG_ON(sizeof(clocks) != 4);
648         if (!intel_sdvo_get_value(intel_sdvo,
649                                   SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
650                                   &clocks, sizeof(clocks)))
651                 return false;
652
653         /* Convert the values from units of 10 kHz to kHz. */
654         *clock_min = clocks.min * 10;
655         *clock_max = clocks.max * 10;
656         return true;
657 }
658
659 static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
660                                          u16 outputs)
661 {
662         return intel_sdvo_set_value(intel_sdvo,
663                                     SDVO_CMD_SET_TARGET_OUTPUT,
664                                     &outputs, sizeof(outputs));
665 }
666
667 static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
668                                   struct intel_sdvo_dtd *dtd)
669 {
670         return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
671                 intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
672 }
673
674 static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
675                                          struct intel_sdvo_dtd *dtd)
676 {
677         return intel_sdvo_set_timing(intel_sdvo,
678                                      SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
679 }
680
681 static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
682                                          struct intel_sdvo_dtd *dtd)
683 {
684         return intel_sdvo_set_timing(intel_sdvo,
685                                      SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
686 }
687
688 static bool
689 intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
690                                          uint16_t clock,
691                                          uint16_t width,
692                                          uint16_t height)
693 {
694         struct intel_sdvo_preferred_input_timing_args args;
695
696         memset(&args, 0, sizeof(args));
697         args.clock = clock;
698         args.width = width;
699         args.height = height;
700         args.interlace = 0;
701
702         if (intel_sdvo->is_lvds &&
703            (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
704             intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
705                 args.scaled = 1;
706
707         return intel_sdvo_set_value(intel_sdvo,
708                                     SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
709                                     &args, sizeof(args));
710 }
711
712 static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
713                                                   struct intel_sdvo_dtd *dtd)
714 {
715         BUILD_BUG_ON(sizeof(dtd->part1) != 8);
716         BUILD_BUG_ON(sizeof(dtd->part2) != 8);
717         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
718                                     &dtd->part1, sizeof(dtd->part1)) &&
719                 intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
720                                      &dtd->part2, sizeof(dtd->part2));
721 }
722
723 static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
724 {
725         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
726 }
727
728 static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
729                                          const struct drm_display_mode *mode)
730 {
731         uint16_t width, height;
732         uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
733         uint16_t h_sync_offset, v_sync_offset;
734         int mode_clock;
735
736         width = mode->crtc_hdisplay;
737         height = mode->crtc_vdisplay;
738
739         /* do some mode translations */
740         h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
741         h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
742
743         v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
744         v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
745
746         h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
747         v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
748
749         mode_clock = mode->clock;
750         mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
751         mode_clock /= 10;
752         dtd->part1.clock = mode_clock;
753
754         dtd->part1.h_active = width & 0xff;
755         dtd->part1.h_blank = h_blank_len & 0xff;
756         dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
757                 ((h_blank_len >> 8) & 0xf);
758         dtd->part1.v_active = height & 0xff;
759         dtd->part1.v_blank = v_blank_len & 0xff;
760         dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
761                 ((v_blank_len >> 8) & 0xf);
762
763         dtd->part2.h_sync_off = h_sync_offset & 0xff;
764         dtd->part2.h_sync_width = h_sync_len & 0xff;
765         dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
766                 (v_sync_len & 0xf);
767         dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
768                 ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
769                 ((v_sync_len & 0x30) >> 4);
770
771         dtd->part2.dtd_flags = 0x18;
772         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
773                 dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
774         if (mode->flags & DRM_MODE_FLAG_PHSYNC)
775                 dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
776         if (mode->flags & DRM_MODE_FLAG_PVSYNC)
777                 dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
778
779         dtd->part2.sdvo_flags = 0;
780         dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
781         dtd->part2.reserved = 0;
782 }
783
784 static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
785                                          const struct intel_sdvo_dtd *dtd)
786 {
787         mode->hdisplay = dtd->part1.h_active;
788         mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
789         mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
790         mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
791         mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
792         mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
793         mode->htotal = mode->hdisplay + dtd->part1.h_blank;
794         mode->htotal += (dtd->part1.h_high & 0xf) << 8;
795
796         mode->vdisplay = dtd->part1.v_active;
797         mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
798         mode->vsync_start = mode->vdisplay;
799         mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
800         mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
801         mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
802         mode->vsync_end = mode->vsync_start +
803                 (dtd->part2.v_sync_off_width & 0xf);
804         mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
805         mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
806         mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
807
808         mode->clock = dtd->part1.clock * 10;
809
810         mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
811         if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
812                 mode->flags |= DRM_MODE_FLAG_INTERLACE;
813         if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
814                 mode->flags |= DRM_MODE_FLAG_PHSYNC;
815         if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
816                 mode->flags |= DRM_MODE_FLAG_PVSYNC;
817 }
818
819 static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
820 {
821         struct intel_sdvo_encode encode;
822
823         BUILD_BUG_ON(sizeof(encode) != 2);
824         return intel_sdvo_get_value(intel_sdvo,
825                                   SDVO_CMD_GET_SUPP_ENCODE,
826                                   &encode, sizeof(encode));
827 }
828
829 static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
830                                   uint8_t mode)
831 {
832         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
833 }
834
835 static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
836                                        uint8_t mode)
837 {
838         return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
839 }
840
841 #if 0
842 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
843 {
844         int i, j;
845         uint8_t set_buf_index[2];
846         uint8_t av_split;
847         uint8_t buf_size;
848         uint8_t buf[48];
849         uint8_t *pos;
850
851         intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
852
853         for (i = 0; i <= av_split; i++) {
854                 set_buf_index[0] = i; set_buf_index[1] = 0;
855                 intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
856                                      set_buf_index, 2);
857                 intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
858                 intel_sdvo_read_response(encoder, &buf_size, 1);
859
860                 pos = buf;
861                 for (j = 0; j <= buf_size; j += 8) {
862                         intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
863                                              NULL, 0);
864                         intel_sdvo_read_response(encoder, pos, 8);
865                         pos += 8;
866                 }
867         }
868 }
869 #endif
870
871 static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
872                                        unsigned if_index, uint8_t tx_rate,
873                                        uint8_t *data, unsigned length)
874 {
875         uint8_t set_buf_index[2] = { if_index, 0 };
876         uint8_t hbuf_size, tmp[8];
877         int i;
878
879         if (!intel_sdvo_set_value(intel_sdvo,
880                                   SDVO_CMD_SET_HBUF_INDEX,
881                                   set_buf_index, 2))
882                 return false;
883
884         if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
885                                   &hbuf_size, 1))
886                 return false;
887
888         /* Buffer size is 0 based, hooray! */
889         hbuf_size++;
890
891         DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
892                       if_index, length, hbuf_size);
893
894         for (i = 0; i < hbuf_size; i += 8) {
895                 memset(tmp, 0, 8);
896                 if (i < length)
897                         memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
898
899                 if (!intel_sdvo_set_value(intel_sdvo,
900                                           SDVO_CMD_SET_HBUF_DATA,
901                                           tmp, 8))
902                         return false;
903         }
904
905         return intel_sdvo_set_value(intel_sdvo,
906                                     SDVO_CMD_SET_HBUF_TXRATE,
907                                     &tx_rate, 1);
908 }
909
910 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
911 {
912         struct dip_infoframe avi_if = {
913                 .type = DIP_TYPE_AVI,
914                 .ver = DIP_VERSION_AVI,
915                 .len = DIP_LEN_AVI,
916         };
917         uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
918
919         intel_dip_infoframe_csum(&avi_if);
920
921         /* sdvo spec says that the ecc is handled by the hw, and it looks like
922          * we must not send the ecc field, either. */
923         memcpy(sdvo_data, &avi_if, 3);
924         sdvo_data[3] = avi_if.checksum;
925         memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
926
927         return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
928                                           SDVO_HBUF_TX_VSYNC,
929                                           sdvo_data, sizeof(sdvo_data));
930 }
931
932 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
933 {
934         struct intel_sdvo_tv_format format;
935         uint32_t format_map;
936
937         format_map = 1 << intel_sdvo->tv_format_index;
938         memset(&format, 0, sizeof(format));
939         memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
940
941         BUILD_BUG_ON(sizeof(format) != 6);
942         return intel_sdvo_set_value(intel_sdvo,
943                                     SDVO_CMD_SET_TV_FORMAT,
944                                     &format, sizeof(format));
945 }
946
947 static bool
948 intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
949                                         struct drm_display_mode *mode)
950 {
951         struct intel_sdvo_dtd output_dtd;
952
953         if (!intel_sdvo_set_target_output(intel_sdvo,
954                                           intel_sdvo->attached_output))
955                 return false;
956
957         intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
958         if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
959                 return false;
960
961         return true;
962 }
963
964 static bool
965 intel_sdvo_set_input_timings_for_mode(struct intel_sdvo *intel_sdvo,
966                                         struct drm_display_mode *mode,
967                                         struct drm_display_mode *adjusted_mode)
968 {
969         /* Reset the input timing to the screen. Assume always input 0. */
970         if (!intel_sdvo_set_target_input(intel_sdvo))
971                 return false;
972
973         if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
974                                                       mode->clock / 10,
975                                                       mode->hdisplay,
976                                                       mode->vdisplay))
977                 return false;
978
979         if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
980                                                    &intel_sdvo->input_dtd))
981                 return false;
982
983         intel_sdvo_get_mode_from_dtd(adjusted_mode, &intel_sdvo->input_dtd);
984
985         return true;
986 }
987
988 static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
989                                   struct drm_display_mode *mode,
990                                   struct drm_display_mode *adjusted_mode)
991 {
992         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
993         int multiplier;
994
995         /* We need to construct preferred input timings based on our
996          * output timings.  To do that, we have to set the output
997          * timings, even though this isn't really the right place in
998          * the sequence to do it. Oh well.
999          */
1000         if (intel_sdvo->is_tv) {
1001                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
1002                         return false;
1003
1004                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
1005                                                              mode,
1006                                                              adjusted_mode);
1007         } else if (intel_sdvo->is_lvds) {
1008                 if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
1009                                                              intel_sdvo->sdvo_lvds_fixed_mode))
1010                         return false;
1011
1012                 (void) intel_sdvo_set_input_timings_for_mode(intel_sdvo,
1013                                                              mode,
1014                                                              adjusted_mode);
1015         }
1016
1017         /* Make the CRTC code factor in the SDVO pixel multiplier.  The
1018          * SDVO device will factor out the multiplier during mode_set.
1019          */
1020         multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
1021         intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
1022
1023         return true;
1024 }
1025
1026 static void intel_sdvo_mode_set(struct drm_encoder *encoder,
1027                                 struct drm_display_mode *mode,
1028                                 struct drm_display_mode *adjusted_mode)
1029 {
1030         struct drm_device *dev = encoder->dev;
1031         struct drm_i915_private *dev_priv = dev->dev_private;
1032         struct drm_crtc *crtc = encoder->crtc;
1033         struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
1034         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1035         u32 sdvox;
1036         struct intel_sdvo_in_out_map in_out;
1037         struct intel_sdvo_dtd input_dtd, output_dtd;
1038         int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
1039         int rate;
1040
1041         if (!mode)
1042                 return;
1043
1044         /* First, set the input mapping for the first input to our controlled
1045          * output. This is only correct if we're a single-input device, in
1046          * which case the first input is the output from the appropriate SDVO
1047          * channel on the motherboard.  In a two-input device, the first input
1048          * will be SDVOB and the second SDVOC.
1049          */
1050         in_out.in0 = intel_sdvo->attached_output;
1051         in_out.in1 = 0;
1052
1053         intel_sdvo_set_value(intel_sdvo,
1054                              SDVO_CMD_SET_IN_OUT_MAP,
1055                              &in_out, sizeof(in_out));
1056
1057         /* Set the output timings to the screen */
1058         if (!intel_sdvo_set_target_output(intel_sdvo,
1059                                           intel_sdvo->attached_output))
1060                 return;
1061
1062         /* lvds has a special fixed output timing. */
1063         if (intel_sdvo->is_lvds)
1064                 intel_sdvo_get_dtd_from_mode(&output_dtd,
1065                                              intel_sdvo->sdvo_lvds_fixed_mode);
1066         else
1067                 intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
1068         (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
1069
1070         /* Set the input timing to the screen. Assume always input 0. */
1071         if (!intel_sdvo_set_target_input(intel_sdvo))
1072                 return;
1073
1074         if (intel_sdvo->has_hdmi_monitor) {
1075                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
1076                 intel_sdvo_set_colorimetry(intel_sdvo,
1077                                            SDVO_COLORIMETRY_RGB256);
1078                 intel_sdvo_set_avi_infoframe(intel_sdvo);
1079         } else
1080                 intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
1081
1082         if (intel_sdvo->is_tv &&
1083             !intel_sdvo_set_tv_format(intel_sdvo))
1084                 return;
1085
1086         /* We have tried to get input timing in mode_fixup, and filled into
1087          * adjusted_mode.
1088          */
1089         intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
1090         (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
1091
1092         switch (pixel_multiplier) {
1093         default:
1094         case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
1095         case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
1096         case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
1097         }
1098         if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
1099                 return;
1100
1101         /* Set the SDVO control regs. */
1102         if (INTEL_INFO(dev)->gen >= 4) {
1103                 /* The real mode polarity is set by the SDVO commands, using
1104                  * struct intel_sdvo_dtd. */
1105                 sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
1106                 if (intel_sdvo->is_hdmi)
1107                         sdvox |= intel_sdvo->color_range;
1108                 if (INTEL_INFO(dev)->gen < 5)
1109                         sdvox |= SDVO_BORDER_ENABLE;
1110         } else {
1111                 sdvox = I915_READ(intel_sdvo->sdvo_reg);
1112                 switch (intel_sdvo->sdvo_reg) {
1113                 case SDVOB:
1114                         sdvox &= SDVOB_PRESERVE_MASK;
1115                         break;
1116                 case SDVOC:
1117                         sdvox &= SDVOC_PRESERVE_MASK;
1118                         break;
1119                 }
1120                 sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
1121         }
1122
1123         if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
1124                 sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
1125         else
1126                 sdvox |= TRANSCODER(intel_crtc->pipe);
1127
1128         if (intel_sdvo->has_hdmi_audio)
1129                 sdvox |= SDVO_AUDIO_ENABLE;
1130
1131         if (INTEL_INFO(dev)->gen >= 4) {
1132                 /* done in crtc_mode_set as the dpll_md reg must be written early */
1133         } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
1134                 /* done in crtc_mode_set as it lives inside the dpll register */
1135         } else {
1136                 sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
1137         }
1138
1139         if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
1140             INTEL_INFO(dev)->gen < 5)
1141                 sdvox |= SDVO_STALL_SELECT;
1142         intel_sdvo_write_sdvox(intel_sdvo, sdvox);
1143 }
1144
1145 static void intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
1146 {
1147         struct drm_device *dev = encoder->dev;
1148         struct drm_i915_private *dev_priv = dev->dev_private;
1149         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1150         struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
1151         u32 temp;
1152
1153         if (mode != DRM_MODE_DPMS_ON) {
1154                 intel_sdvo_set_active_outputs(intel_sdvo, 0);
1155                 if (0)
1156                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1157
1158                 if (mode == DRM_MODE_DPMS_OFF) {
1159                         temp = I915_READ(intel_sdvo->sdvo_reg);
1160                         if ((temp & SDVO_ENABLE) != 0) {
1161                                 intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
1162                         }
1163                 }
1164         } else {
1165                 bool input1, input2;
1166                 int i;
1167                 u8 status;
1168
1169                 temp = I915_READ(intel_sdvo->sdvo_reg);
1170                 if ((temp & SDVO_ENABLE) == 0)
1171                         intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
1172                 for (i = 0; i < 2; i++)
1173                         intel_wait_for_vblank(dev, intel_crtc->pipe);
1174
1175                 status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
1176                 /* Warn if the device reported failure to sync.
1177                  * A lot of SDVO devices fail to notify of sync, but it's
1178                  * a given it the status is a success, we succeeded.
1179                  */
1180                 if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
1181                         DRM_DEBUG_KMS("First %s output reported failure to "
1182                                         "sync\n", SDVO_NAME(intel_sdvo));
1183                 }
1184
1185                 if (0)
1186                         intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
1187                 intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
1188         }
1189         return;
1190 }
1191
1192 static int intel_sdvo_mode_valid(struct drm_connector *connector,
1193                                  struct drm_display_mode *mode)
1194 {
1195         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1196
1197         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
1198                 return MODE_NO_DBLESCAN;
1199
1200         if (intel_sdvo->pixel_clock_min > mode->clock)
1201                 return MODE_CLOCK_LOW;
1202
1203         if (intel_sdvo->pixel_clock_max < mode->clock)
1204                 return MODE_CLOCK_HIGH;
1205
1206         if (intel_sdvo->is_lvds) {
1207                 if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
1208                         return MODE_PANEL;
1209
1210                 if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
1211                         return MODE_PANEL;
1212         }
1213
1214         return MODE_OK;
1215 }
1216
1217 static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
1218 {
1219         BUILD_BUG_ON(sizeof(*caps) != 8);
1220         if (!intel_sdvo_get_value(intel_sdvo,
1221                                   SDVO_CMD_GET_DEVICE_CAPS,
1222                                   caps, sizeof(*caps)))
1223                 return false;
1224
1225         DRM_DEBUG_KMS("SDVO capabilities:\n"
1226                       "  vendor_id: %d\n"
1227                       "  device_id: %d\n"
1228                       "  device_rev_id: %d\n"
1229                       "  sdvo_version_major: %d\n"
1230                       "  sdvo_version_minor: %d\n"
1231                       "  sdvo_inputs_mask: %d\n"
1232                       "  smooth_scaling: %d\n"
1233                       "  sharp_scaling: %d\n"
1234                       "  up_scaling: %d\n"
1235                       "  down_scaling: %d\n"
1236                       "  stall_support: %d\n"
1237                       "  output_flags: %d\n",
1238                       caps->vendor_id,
1239                       caps->device_id,
1240                       caps->device_rev_id,
1241                       caps->sdvo_version_major,
1242                       caps->sdvo_version_minor,
1243                       caps->sdvo_inputs_mask,
1244                       caps->smooth_scaling,
1245                       caps->sharp_scaling,
1246                       caps->up_scaling,
1247                       caps->down_scaling,
1248                       caps->stall_support,
1249                       caps->output_flags);
1250
1251         return true;
1252 }
1253
1254 static int intel_sdvo_supports_hotplug(struct intel_sdvo *intel_sdvo)
1255 {
1256         struct drm_device *dev = intel_sdvo->base.base.dev;
1257         u8 response[2];
1258
1259         /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
1260          * on the line. */
1261         if (IS_I945G(dev) || IS_I945GM(dev))
1262                 return false;
1263
1264         return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
1265                                     &response, 2) && response[0];
1266 }
1267
1268 static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
1269 {
1270         struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
1271
1272         intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &intel_sdvo->hotplug_active, 2);
1273 }
1274
1275 static bool
1276 intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
1277 {
1278         /* Is there more than one type of output? */
1279         return hweight16(intel_sdvo->caps.output_flags) > 1;
1280 }
1281
1282 static struct edid *
1283 intel_sdvo_get_edid(struct drm_connector *connector)
1284 {
1285         struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
1286         return drm_get_edid(connector, &sdvo->ddc);
1287 }
1288
1289 /* Mac mini hack -- use the same DDC as the analog connector */
1290 static struct edid *
1291 intel_sdvo_get_analog_edid(struct drm_connector *connector)
1292 {
1293         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1294
1295         return drm_get_edid(connector,
1296                             &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
1297 }
1298
1299 enum drm_connector_status
1300 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
1301 {
1302         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1303         enum drm_connector_status status;
1304         struct edid *edid;
1305
1306         edid = intel_sdvo_get_edid(connector);
1307
1308         if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
1309                 u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
1310
1311                 /*
1312                  * Don't use the 1 as the argument of DDC bus switch to get
1313                  * the EDID. It is used for SDVO SPD ROM.
1314                  */
1315                 for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
1316                         intel_sdvo->ddc_bus = ddc;
1317                         edid = intel_sdvo_get_edid(connector);
1318                         if (edid)
1319                                 break;
1320                 }
1321                 /*
1322                  * If we found the EDID on the other bus,
1323                  * assume that is the correct DDC bus.
1324                  */
1325                 if (edid == NULL)
1326                         intel_sdvo->ddc_bus = saved_ddc;
1327         }
1328
1329         /*
1330          * When there is no edid and no monitor is connected with VGA
1331          * port, try to use the CRT ddc to read the EDID for DVI-connector.
1332          */
1333         if (edid == NULL)
1334                 edid = intel_sdvo_get_analog_edid(connector);
1335
1336         status = connector_status_unknown;
1337         if (edid != NULL) {
1338                 /* DDC bus is shared, match EDID to connector type */
1339                 if (edid->input & DRM_EDID_INPUT_DIGITAL) {
1340                         status = connector_status_connected;
1341                         if (intel_sdvo->is_hdmi) {
1342                                 intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
1343                                 intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
1344                         }
1345                 } else
1346                         status = connector_status_disconnected;
1347                 connector->display_info.raw_edid = NULL;
1348                 kfree(edid);
1349         }
1350
1351         if (status == connector_status_connected) {
1352                 struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1353                 if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
1354                         intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
1355         }
1356
1357         return status;
1358 }
1359
1360 static bool
1361 intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
1362                                   struct edid *edid)
1363 {
1364         bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
1365         bool connector_is_digital = !!IS_DIGITAL(sdvo);
1366
1367         DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
1368                       connector_is_digital, monitor_is_digital);
1369         return connector_is_digital == monitor_is_digital;
1370 }
1371
1372 static enum drm_connector_status
1373 intel_sdvo_detect(struct drm_connector *connector, bool force)
1374 {
1375         uint16_t response;
1376         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1377         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1378         enum drm_connector_status ret;
1379
1380         if (!intel_sdvo_write_cmd(intel_sdvo,
1381                                   SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
1382                 return connector_status_unknown;
1383
1384         /* add 30ms delay when the output type might be TV */
1385         if (intel_sdvo->caps.output_flags &
1386             (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
1387                 mdelay(30);
1388
1389         if (!intel_sdvo_read_response(intel_sdvo, &response, 2))
1390                 return connector_status_unknown;
1391
1392         DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
1393                       response & 0xff, response >> 8,
1394                       intel_sdvo_connector->output_flag);
1395
1396         if (response == 0)
1397                 return connector_status_disconnected;
1398
1399         intel_sdvo->attached_output = response;
1400
1401         intel_sdvo->has_hdmi_monitor = false;
1402         intel_sdvo->has_hdmi_audio = false;
1403
1404         if ((intel_sdvo_connector->output_flag & response) == 0)
1405                 ret = connector_status_disconnected;
1406         else if (IS_TMDS(intel_sdvo_connector))
1407                 ret = intel_sdvo_tmds_sink_detect(connector);
1408         else {
1409                 struct edid *edid;
1410
1411                 /* if we have an edid check it matches the connection */
1412                 edid = intel_sdvo_get_edid(connector);
1413                 if (edid == NULL)
1414                         edid = intel_sdvo_get_analog_edid(connector);
1415                 if (edid != NULL) {
1416                         if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
1417                                                               edid))
1418                                 ret = connector_status_connected;
1419                         else
1420                                 ret = connector_status_disconnected;
1421
1422                         connector->display_info.raw_edid = NULL;
1423                         kfree(edid);
1424                 } else
1425                         ret = connector_status_connected;
1426         }
1427
1428         /* May update encoder flag for like clock for SDVO TV, etc.*/
1429         if (ret == connector_status_connected) {
1430                 intel_sdvo->is_tv = false;
1431                 intel_sdvo->is_lvds = false;
1432                 intel_sdvo->base.needs_tv_clock = false;
1433
1434                 if (response & SDVO_TV_MASK) {
1435                         intel_sdvo->is_tv = true;
1436                         intel_sdvo->base.needs_tv_clock = true;
1437                 }
1438                 if (response & SDVO_LVDS_MASK)
1439                         intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
1440         }
1441
1442         return ret;
1443 }
1444
1445 static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
1446 {
1447         struct edid *edid;
1448
1449         /* set the bus switch and get the modes */
1450         edid = intel_sdvo_get_edid(connector);
1451
1452         /*
1453          * Mac mini hack.  On this device, the DVI-I connector shares one DDC
1454          * link between analog and digital outputs. So, if the regular SDVO
1455          * DDC fails, check to see if the analog output is disconnected, in
1456          * which case we'll look there for the digital DDC data.
1457          */
1458         if (edid == NULL)
1459                 edid = intel_sdvo_get_analog_edid(connector);
1460
1461         if (edid != NULL) {
1462                 if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
1463                                                       edid)) {
1464                         drm_mode_connector_update_edid_property(connector, edid);
1465                         drm_add_edid_modes(connector, edid);
1466                 }
1467
1468                 connector->display_info.raw_edid = NULL;
1469                 kfree(edid);
1470         }
1471 }
1472
1473 /*
1474  * Set of SDVO TV modes.
1475  * Note!  This is in reply order (see loop in get_tv_modes).
1476  * XXX: all 60Hz refresh?
1477  */
1478 static const struct drm_display_mode sdvo_tv_modes[] = {
1479         { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
1480                    416, 0, 200, 201, 232, 233, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1482         { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
1483                    416, 0, 240, 241, 272, 273, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1485         { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
1486                    496, 0, 300, 301, 332, 333, 0,
1487                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1488         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
1489                    736, 0, 350, 351, 382, 383, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1491         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
1492                    736, 0, 400, 401, 432, 433, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1494         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
1495                    736, 0, 480, 481, 512, 513, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1497         { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
1498                    800, 0, 480, 481, 512, 513, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1500         { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
1501                    800, 0, 576, 577, 608, 609, 0,
1502                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1503         { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
1504                    816, 0, 350, 351, 382, 383, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1506         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
1507                    816, 0, 400, 401, 432, 433, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1509         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
1510                    816, 0, 480, 481, 512, 513, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1512         { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
1513                    816, 0, 540, 541, 572, 573, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1515         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
1516                    816, 0, 576, 577, 608, 609, 0,
1517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1518         { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
1519                    864, 0, 576, 577, 608, 609, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1521         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
1522                    896, 0, 600, 601, 632, 633, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1524         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
1525                    928, 0, 624, 625, 656, 657, 0,
1526                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1527         { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
1528                    1016, 0, 766, 767, 798, 799, 0,
1529                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1530         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
1531                    1120, 0, 768, 769, 800, 801, 0,
1532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1533         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
1534                    1376, 0, 1024, 1025, 1056, 1057, 0,
1535                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1536 };
1537
1538 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
1539 {
1540         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1541         struct intel_sdvo_sdtv_resolution_request tv_res;
1542         uint32_t reply = 0, format_map = 0;
1543         int i;
1544
1545         /* Read the list of supported input resolutions for the selected TV
1546          * format.
1547          */
1548         format_map = 1 << intel_sdvo->tv_format_index;
1549         memcpy(&tv_res, &format_map,
1550                min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
1551
1552         if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
1553                 return;
1554
1555         BUILD_BUG_ON(sizeof(tv_res) != 3);
1556         if (!intel_sdvo_write_cmd(intel_sdvo,
1557                                   SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
1558                                   &tv_res, sizeof(tv_res)))
1559                 return;
1560         if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
1561                 return;
1562
1563         for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
1564                 if (reply & (1 << i)) {
1565                         struct drm_display_mode *nmode;
1566                         nmode = drm_mode_duplicate(connector->dev,
1567                                                    &sdvo_tv_modes[i]);
1568                         if (nmode)
1569                                 drm_mode_probed_add(connector, nmode);
1570                 }
1571 }
1572
1573 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
1574 {
1575         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1576         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1577         struct drm_display_mode *newmode;
1578
1579         /*
1580          * Attempt to get the mode list from DDC.
1581          * Assume that the preferred modes are
1582          * arranged in priority order.
1583          */
1584         intel_ddc_get_modes(connector, &intel_sdvo->ddc);
1585         if (list_empty(&connector->probed_modes) == false)
1586                 goto end;
1587
1588         /* Fetch modes from VBT */
1589         if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
1590                 newmode = drm_mode_duplicate(connector->dev,
1591                                              dev_priv->sdvo_lvds_vbt_mode);
1592                 if (newmode != NULL) {
1593                         /* Guarantee the mode is preferred */
1594                         newmode->type = (DRM_MODE_TYPE_PREFERRED |
1595                                          DRM_MODE_TYPE_DRIVER);
1596                         drm_mode_probed_add(connector, newmode);
1597                 }
1598         }
1599
1600 end:
1601         list_for_each_entry(newmode, &connector->probed_modes, head) {
1602                 if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
1603                         intel_sdvo->sdvo_lvds_fixed_mode =
1604                                 drm_mode_duplicate(connector->dev, newmode);
1605
1606                         drm_mode_set_crtcinfo(intel_sdvo->sdvo_lvds_fixed_mode,
1607                                               0);
1608
1609                         intel_sdvo->is_lvds = true;
1610                         break;
1611                 }
1612         }
1613
1614 }
1615
1616 static int intel_sdvo_get_modes(struct drm_connector *connector)
1617 {
1618         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1619
1620         if (IS_TV(intel_sdvo_connector))
1621                 intel_sdvo_get_tv_modes(connector);
1622         else if (IS_LVDS(intel_sdvo_connector))
1623                 intel_sdvo_get_lvds_modes(connector);
1624         else
1625                 intel_sdvo_get_ddc_modes(connector);
1626
1627         return !list_empty(&connector->probed_modes);
1628 }
1629
1630 static void
1631 intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
1632 {
1633         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1634         struct drm_device *dev = connector->dev;
1635
1636         if (intel_sdvo_connector->left)
1637                 drm_property_destroy(dev, intel_sdvo_connector->left);
1638         if (intel_sdvo_connector->right)
1639                 drm_property_destroy(dev, intel_sdvo_connector->right);
1640         if (intel_sdvo_connector->top)
1641                 drm_property_destroy(dev, intel_sdvo_connector->top);
1642         if (intel_sdvo_connector->bottom)
1643                 drm_property_destroy(dev, intel_sdvo_connector->bottom);
1644         if (intel_sdvo_connector->hpos)
1645                 drm_property_destroy(dev, intel_sdvo_connector->hpos);
1646         if (intel_sdvo_connector->vpos)
1647                 drm_property_destroy(dev, intel_sdvo_connector->vpos);
1648         if (intel_sdvo_connector->saturation)
1649                 drm_property_destroy(dev, intel_sdvo_connector->saturation);
1650         if (intel_sdvo_connector->contrast)
1651                 drm_property_destroy(dev, intel_sdvo_connector->contrast);
1652         if (intel_sdvo_connector->hue)
1653                 drm_property_destroy(dev, intel_sdvo_connector->hue);
1654         if (intel_sdvo_connector->sharpness)
1655                 drm_property_destroy(dev, intel_sdvo_connector->sharpness);
1656         if (intel_sdvo_connector->flicker_filter)
1657                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
1658         if (intel_sdvo_connector->flicker_filter_2d)
1659                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
1660         if (intel_sdvo_connector->flicker_filter_adaptive)
1661                 drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
1662         if (intel_sdvo_connector->tv_luma_filter)
1663                 drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
1664         if (intel_sdvo_connector->tv_chroma_filter)
1665                 drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
1666         if (intel_sdvo_connector->dot_crawl)
1667                 drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
1668         if (intel_sdvo_connector->brightness)
1669                 drm_property_destroy(dev, intel_sdvo_connector->brightness);
1670 }
1671
1672 static void intel_sdvo_destroy(struct drm_connector *connector)
1673 {
1674         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1675
1676         if (intel_sdvo_connector->tv_format)
1677                 drm_property_destroy(connector->dev,
1678                                      intel_sdvo_connector->tv_format);
1679
1680         intel_sdvo_destroy_enhance_property(connector);
1681         drm_sysfs_connector_remove(connector);
1682         drm_connector_cleanup(connector);
1683         kfree(connector);
1684 }
1685
1686 static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
1687 {
1688         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1689         struct edid *edid;
1690         bool has_audio = false;
1691
1692         if (!intel_sdvo->is_hdmi)
1693                 return false;
1694
1695         edid = intel_sdvo_get_edid(connector);
1696         if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
1697                 has_audio = drm_detect_monitor_audio(edid);
1698
1699         return has_audio;
1700 }
1701
1702 static int
1703 intel_sdvo_set_property(struct drm_connector *connector,
1704                         struct drm_property *property,
1705                         uint64_t val)
1706 {
1707         struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
1708         struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
1709         struct drm_i915_private *dev_priv = connector->dev->dev_private;
1710         uint16_t temp_value;
1711         uint8_t cmd;
1712         int ret;
1713
1714         ret = drm_connector_property_set_value(connector, property, val);
1715         if (ret)
1716                 return ret;
1717
1718         if (property == dev_priv->force_audio_property) {
1719                 int i = val;
1720                 bool has_audio;
1721
1722                 if (i == intel_sdvo_connector->force_audio)
1723                         return 0;
1724
1725                 intel_sdvo_connector->force_audio = i;
1726
1727                 if (i == HDMI_AUDIO_AUTO)
1728                         has_audio = intel_sdvo_detect_hdmi_audio(connector);
1729                 else
1730                         has_audio = (i == HDMI_AUDIO_ON);
1731
1732                 if (has_audio == intel_sdvo->has_hdmi_audio)
1733                         return 0;
1734
1735                 intel_sdvo->has_hdmi_audio = has_audio;
1736                 goto done;
1737         }
1738
1739         if (property == dev_priv->broadcast_rgb_property) {
1740                 if (val == !!intel_sdvo->color_range)
1741                         return 0;
1742
1743                 intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
1744                 goto done;
1745         }
1746
1747 #define CHECK_PROPERTY(name, NAME) \
1748         if (intel_sdvo_connector->name == property) { \
1749                 if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
1750                 if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
1751                 cmd = SDVO_CMD_SET_##NAME; \
1752                 intel_sdvo_connector->cur_##name = temp_value; \
1753                 goto set_value; \
1754         }
1755
1756         if (property == intel_sdvo_connector->tv_format) {
1757                 if (val >= TV_FORMAT_NUM)
1758                         return -EINVAL;
1759
1760                 if (intel_sdvo->tv_format_index ==
1761                     intel_sdvo_connector->tv_format_supported[val])
1762                         return 0;
1763
1764                 intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
1765                 goto done;
1766         } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
1767                 temp_value = val;
1768                 if (intel_sdvo_connector->left == property) {
1769                         drm_connector_property_set_value(connector,
1770                                                          intel_sdvo_connector->right, val);
1771                         if (intel_sdvo_connector->left_margin == temp_value)
1772                                 return 0;
1773
1774                         intel_sdvo_connector->left_margin = temp_value;
1775                         intel_sdvo_connector->right_margin = temp_value;
1776                         temp_value = intel_sdvo_connector->max_hscan -
1777                                 intel_sdvo_connector->left_margin;
1778                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1779                         goto set_value;
1780                 } else if (intel_sdvo_connector->right == property) {
1781                         drm_connector_property_set_value(connector,
1782                                                          intel_sdvo_connector->left, val);
1783                         if (intel_sdvo_connector->right_margin == temp_value)
1784                                 return 0;
1785
1786                         intel_sdvo_connector->left_margin = temp_value;
1787                         intel_sdvo_connector->right_margin = temp_value;
1788                         temp_value = intel_sdvo_connector->max_hscan -
1789                                 intel_sdvo_connector->left_margin;
1790                         cmd = SDVO_CMD_SET_OVERSCAN_H;
1791                         goto set_value;
1792                 } else if (intel_sdvo_connector->top == property) {
1793                         drm_connector_property_set_value(connector,
1794                                                          intel_sdvo_connector->bottom, val);
1795                         if (intel_sdvo_connector->top_margin == temp_value)
1796                                 return 0;
1797
1798                         intel_sdvo_connector->top_margin = temp_value;
1799                         intel_sdvo_connector->bottom_margin = temp_value;
1800                         temp_value = intel_sdvo_connector->max_vscan -
1801                                 intel_sdvo_connector->top_margin;
1802                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1803                         goto set_value;
1804                 } else if (intel_sdvo_connector->bottom == property) {
1805                         drm_connector_property_set_value(connector,
1806                                                          intel_sdvo_connector->top, val);
1807                         if (intel_sdvo_connector->bottom_margin == temp_value)
1808                                 return 0;
1809
1810                         intel_sdvo_connector->top_margin = temp_value;
1811                         intel_sdvo_connector->bottom_margin = temp_value;
1812                         temp_value = intel_sdvo_connector->max_vscan -
1813                                 intel_sdvo_connector->top_margin;
1814                         cmd = SDVO_CMD_SET_OVERSCAN_V;
1815                         goto set_value;
1816                 }
1817                 CHECK_PROPERTY(hpos, HPOS)
1818                 CHECK_PROPERTY(vpos, VPOS)
1819                 CHECK_PROPERTY(saturation, SATURATION)
1820                 CHECK_PROPERTY(contrast, CONTRAST)
1821                 CHECK_PROPERTY(hue, HUE)
1822                 CHECK_PROPERTY(brightness, BRIGHTNESS)
1823                 CHECK_PROPERTY(sharpness, SHARPNESS)
1824                 CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
1825                 CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
1826                 CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
1827                 CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
1828                 CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
1829                 CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
1830         }
1831
1832         return -EINVAL; /* unknown property */
1833
1834 set_value:
1835         if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
1836                 return -EIO;
1837
1838
1839 done:
1840         if (intel_sdvo->base.base.crtc) {
1841                 struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
1842                 drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
1843                                          crtc->y, crtc->fb);
1844         }
1845
1846         return 0;
1847 #undef CHECK_PROPERTY
1848 }
1849
1850 static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
1851         .dpms = intel_sdvo_dpms,
1852         .mode_fixup = intel_sdvo_mode_fixup,
1853         .prepare = intel_encoder_prepare,
1854         .mode_set = intel_sdvo_mode_set,
1855         .commit = intel_encoder_commit,
1856 };
1857
1858 static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
1859         .dpms = drm_helper_connector_dpms,
1860         .detect = intel_sdvo_detect,
1861         .fill_modes = drm_helper_probe_single_connector_modes,
1862         .set_property = intel_sdvo_set_property,
1863         .destroy = intel_sdvo_destroy,
1864 };
1865
1866 static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
1867         .get_modes = intel_sdvo_get_modes,
1868         .mode_valid = intel_sdvo_mode_valid,
1869         .best_encoder = intel_best_encoder,
1870 };
1871
1872 static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
1873 {
1874         struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
1875
1876         if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
1877                 drm_mode_destroy(encoder->dev,
1878                                  intel_sdvo->sdvo_lvds_fixed_mode);
1879
1880         i2c_del_adapter(&intel_sdvo->ddc);
1881         intel_encoder_destroy(encoder);
1882 }
1883
1884 static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
1885         .destroy = intel_sdvo_enc_destroy,
1886 };
1887
1888 static void
1889 intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
1890 {
1891         uint16_t mask = 0;
1892         unsigned int num_bits;
1893
1894         /* Make a mask of outputs less than or equal to our own priority in the
1895          * list.
1896          */
1897         switch (sdvo->controlled_output) {
1898         case SDVO_OUTPUT_LVDS1:
1899                 mask |= SDVO_OUTPUT_LVDS1;
1900         case SDVO_OUTPUT_LVDS0:
1901                 mask |= SDVO_OUTPUT_LVDS0;
1902         case SDVO_OUTPUT_TMDS1:
1903                 mask |= SDVO_OUTPUT_TMDS1;
1904         case SDVO_OUTPUT_TMDS0:
1905                 mask |= SDVO_OUTPUT_TMDS0;
1906         case SDVO_OUTPUT_RGB1:
1907                 mask |= SDVO_OUTPUT_RGB1;
1908         case SDVO_OUTPUT_RGB0:
1909                 mask |= SDVO_OUTPUT_RGB0;
1910                 break;
1911         }
1912
1913         /* Count bits to find what number we are in the priority list. */
1914         mask &= sdvo->caps.output_flags;
1915         num_bits = hweight16(mask);
1916         /* If more than 3 outputs, default to DDC bus 3 for now. */
1917         if (num_bits > 3)
1918                 num_bits = 3;
1919
1920         /* Corresponds to SDVO_CONTROL_BUS_DDCx */
1921         sdvo->ddc_bus = 1 << num_bits;
1922 }
1923
1924 /**
1925  * Choose the appropriate DDC bus for control bus switch command for this
1926  * SDVO output based on the controlled output.
1927  *
1928  * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
1929  * outputs, then LVDS outputs.
1930  */
1931 static void
1932 intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
1933                           struct intel_sdvo *sdvo, u32 reg)
1934 {
1935         struct sdvo_device_mapping *mapping;
1936
1937         if (IS_SDVOB(reg))
1938                 mapping = &(dev_priv->sdvo_mappings[0]);
1939         else
1940                 mapping = &(dev_priv->sdvo_mappings[1]);
1941
1942         if (mapping->initialized)
1943                 sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
1944         else
1945                 intel_sdvo_guess_ddc_bus(sdvo);
1946 }
1947
1948 static void
1949 intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
1950                           struct intel_sdvo *sdvo, u32 reg)
1951 {
1952         struct sdvo_device_mapping *mapping;
1953         u8 pin;
1954
1955         if (IS_SDVOB(reg))
1956                 mapping = &dev_priv->sdvo_mappings[0];
1957         else
1958                 mapping = &dev_priv->sdvo_mappings[1];
1959
1960         pin = GMBUS_PORT_DPB;
1961         if (mapping->initialized)
1962                 pin = mapping->i2c_pin;
1963
1964         if (pin < GMBUS_NUM_PORTS) {
1965                 sdvo->i2c = &dev_priv->gmbus[pin].adapter;
1966                 intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ);
1967                 intel_gmbus_force_bit(sdvo->i2c, true);
1968         } else {
1969                 sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
1970         }
1971 }
1972
1973 static bool
1974 intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
1975 {
1976         return intel_sdvo_check_supp_encode(intel_sdvo);
1977 }
1978
1979 static u8
1980 intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
1981 {
1982         struct drm_i915_private *dev_priv = dev->dev_private;
1983         struct sdvo_device_mapping *my_mapping, *other_mapping;
1984
1985         if (IS_SDVOB(sdvo_reg)) {
1986                 my_mapping = &dev_priv->sdvo_mappings[0];
1987                 other_mapping = &dev_priv->sdvo_mappings[1];
1988         } else {
1989                 my_mapping = &dev_priv->sdvo_mappings[1];
1990                 other_mapping = &dev_priv->sdvo_mappings[0];
1991         }
1992
1993         /* If the BIOS described our SDVO device, take advantage of it. */
1994         if (my_mapping->slave_addr)
1995                 return my_mapping->slave_addr;
1996
1997         /* If the BIOS only described a different SDVO device, use the
1998          * address that it isn't using.
1999          */
2000         if (other_mapping->slave_addr) {
2001                 if (other_mapping->slave_addr == 0x70)
2002                         return 0x72;
2003                 else
2004                         return 0x70;
2005         }
2006
2007         /* No SDVO device info is found for another DVO port,
2008          * so use mapping assumption we had before BIOS parsing.
2009          */
2010         if (IS_SDVOB(sdvo_reg))
2011                 return 0x70;
2012         else
2013                 return 0x72;
2014 }
2015
2016 static void
2017 intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
2018                           struct intel_sdvo *encoder)
2019 {
2020         drm_connector_init(encoder->base.base.dev,
2021                            &connector->base.base,
2022                            &intel_sdvo_connector_funcs,
2023                            connector->base.base.connector_type);
2024
2025         drm_connector_helper_add(&connector->base.base,
2026                                  &intel_sdvo_connector_helper_funcs);
2027
2028         connector->base.base.interlace_allowed = 1;
2029         connector->base.base.doublescan_allowed = 0;
2030         connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
2031
2032         intel_connector_attach_encoder(&connector->base, &encoder->base);
2033         drm_sysfs_connector_add(&connector->base.base);
2034 }
2035
2036 static void
2037 intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
2038 {
2039         struct drm_device *dev = connector->base.base.dev;
2040
2041         intel_attach_force_audio_property(&connector->base.base);
2042         if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
2043                 intel_attach_broadcast_rgb_property(&connector->base.base);
2044 }
2045
2046 static bool
2047 intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
2048 {
2049         struct drm_encoder *encoder = &intel_sdvo->base.base;
2050         struct drm_connector *connector;
2051         struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
2052         struct intel_connector *intel_connector;
2053         struct intel_sdvo_connector *intel_sdvo_connector;
2054
2055         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2056         if (!intel_sdvo_connector)
2057                 return false;
2058
2059         if (device == 0) {
2060                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
2061                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
2062         } else if (device == 1) {
2063                 intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
2064                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
2065         }
2066
2067         intel_connector = &intel_sdvo_connector->base;
2068         connector = &intel_connector->base;
2069         if (intel_sdvo_supports_hotplug(intel_sdvo) & (1 << device)) {
2070                 connector->polled = DRM_CONNECTOR_POLL_HPD;
2071                 intel_sdvo->hotplug_active[0] |= 1 << device;
2072                 /* Some SDVO devices have one-shot hotplug interrupts.
2073                  * Ensure that they get re-enabled when an interrupt happens.
2074                  */
2075                 intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
2076                 intel_sdvo_enable_hotplug(intel_encoder);
2077         }
2078         else
2079                 connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
2080         encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
2081         connector->connector_type = DRM_MODE_CONNECTOR_DVID;
2082
2083         if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
2084                 connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
2085                 intel_sdvo->is_hdmi = true;
2086         }
2087         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2088                                        (1 << INTEL_ANALOG_CLONE_BIT));
2089
2090         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2091         if (intel_sdvo->is_hdmi)
2092                 intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
2093
2094         return true;
2095 }
2096
2097 static bool
2098 intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
2099 {
2100         struct drm_encoder *encoder = &intel_sdvo->base.base;
2101         struct drm_connector *connector;
2102         struct intel_connector *intel_connector;
2103         struct intel_sdvo_connector *intel_sdvo_connector;
2104
2105         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2106         if (!intel_sdvo_connector)
2107                 return false;
2108
2109         intel_connector = &intel_sdvo_connector->base;
2110         connector = &intel_connector->base;
2111         encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
2112         connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
2113
2114         intel_sdvo->controlled_output |= type;
2115         intel_sdvo_connector->output_flag = type;
2116
2117         intel_sdvo->is_tv = true;
2118         intel_sdvo->base.needs_tv_clock = true;
2119         intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
2120
2121         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2122
2123         if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
2124                 goto err;
2125
2126         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2127                 goto err;
2128
2129         return true;
2130
2131 err:
2132         intel_sdvo_destroy(connector);
2133         return false;
2134 }
2135
2136 static bool
2137 intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
2138 {
2139         struct drm_encoder *encoder = &intel_sdvo->base.base;
2140         struct drm_connector *connector;
2141         struct intel_connector *intel_connector;
2142         struct intel_sdvo_connector *intel_sdvo_connector;
2143
2144         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2145         if (!intel_sdvo_connector)
2146                 return false;
2147
2148         intel_connector = &intel_sdvo_connector->base;
2149         connector = &intel_connector->base;
2150         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2151         encoder->encoder_type = DRM_MODE_ENCODER_DAC;
2152         connector->connector_type = DRM_MODE_CONNECTOR_VGA;
2153
2154         if (device == 0) {
2155                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
2156                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
2157         } else if (device == 1) {
2158                 intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
2159                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
2160         }
2161
2162         intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
2163                                        (1 << INTEL_ANALOG_CLONE_BIT));
2164
2165         intel_sdvo_connector_init(intel_sdvo_connector,
2166                                   intel_sdvo);
2167         return true;
2168 }
2169
2170 static bool
2171 intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
2172 {
2173         struct drm_encoder *encoder = &intel_sdvo->base.base;
2174         struct drm_connector *connector;
2175         struct intel_connector *intel_connector;
2176         struct intel_sdvo_connector *intel_sdvo_connector;
2177
2178         intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
2179         if (!intel_sdvo_connector)
2180                 return false;
2181
2182         intel_connector = &intel_sdvo_connector->base;
2183         connector = &intel_connector->base;
2184         encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
2185         connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
2186
2187         if (device == 0) {
2188                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
2189                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
2190         } else if (device == 1) {
2191                 intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
2192                 intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
2193         }
2194
2195         intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
2196                                        (1 << INTEL_SDVO_LVDS_CLONE_BIT));
2197
2198         intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
2199         if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
2200                 goto err;
2201
2202         return true;
2203
2204 err:
2205         intel_sdvo_destroy(connector);
2206         return false;
2207 }
2208
2209 static bool
2210 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
2211 {
2212         intel_sdvo->is_tv = false;
2213         intel_sdvo->base.needs_tv_clock = false;
2214         intel_sdvo->is_lvds = false;
2215
2216         /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
2217
2218         if (flags & SDVO_OUTPUT_TMDS0)
2219                 if (!intel_sdvo_dvi_init(intel_sdvo, 0))
2220                         return false;
2221
2222         if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
2223                 if (!intel_sdvo_dvi_init(intel_sdvo, 1))
2224                         return false;
2225
2226         /* TV has no XXX1 function block */
2227         if (flags & SDVO_OUTPUT_SVID0)
2228                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
2229                         return false;
2230
2231         if (flags & SDVO_OUTPUT_CVBS0)
2232                 if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
2233                         return false;
2234
2235         if (flags & SDVO_OUTPUT_RGB0)
2236                 if (!intel_sdvo_analog_init(intel_sdvo, 0))
2237                         return false;
2238
2239         if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
2240                 if (!intel_sdvo_analog_init(intel_sdvo, 1))
2241                         return false;
2242
2243         if (flags & SDVO_OUTPUT_LVDS0)
2244                 if (!intel_sdvo_lvds_init(intel_sdvo, 0))
2245                         return false;
2246
2247         if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
2248                 if (!intel_sdvo_lvds_init(intel_sdvo, 1))
2249                         return false;
2250
2251         if ((flags & SDVO_OUTPUT_MASK) == 0) {
2252                 unsigned char bytes[2];
2253
2254                 intel_sdvo->controlled_output = 0;
2255                 memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
2256                 DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
2257                               SDVO_NAME(intel_sdvo),
2258                               bytes[0], bytes[1]);
2259                 return false;
2260         }
2261         intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
2262
2263         return true;
2264 }
2265
2266 static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
2267                                           struct intel_sdvo_connector *intel_sdvo_connector,
2268                                           int type)
2269 {
2270         struct drm_device *dev = intel_sdvo->base.base.dev;
2271         struct intel_sdvo_tv_format format;
2272         uint32_t format_map, i;
2273
2274         if (!intel_sdvo_set_target_output(intel_sdvo, type))
2275                 return false;
2276
2277         BUILD_BUG_ON(sizeof(format) != 6);
2278         if (!intel_sdvo_get_value(intel_sdvo,
2279                                   SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
2280                                   &format, sizeof(format)))
2281                 return false;
2282
2283         memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
2284
2285         if (format_map == 0)
2286                 return false;
2287
2288         intel_sdvo_connector->format_supported_num = 0;
2289         for (i = 0 ; i < TV_FORMAT_NUM; i++)
2290                 if (format_map & (1 << i))
2291                         intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
2292
2293
2294         intel_sdvo_connector->tv_format =
2295                         drm_property_create(dev, DRM_MODE_PROP_ENUM,
2296                                             "mode", intel_sdvo_connector->format_supported_num);
2297         if (!intel_sdvo_connector->tv_format)
2298                 return false;
2299
2300         for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
2301                 drm_property_add_enum(
2302                                 intel_sdvo_connector->tv_format, i,
2303                                 i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
2304
2305         intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
2306         drm_connector_attach_property(&intel_sdvo_connector->base.base,
2307                                       intel_sdvo_connector->tv_format, 0);
2308         return true;
2309
2310 }
2311
2312 #define ENHANCEMENT(name, NAME) do { \
2313         if (enhancements.name) { \
2314                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
2315                     !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
2316                         return false; \
2317                 intel_sdvo_connector->max_##name = data_value[0]; \
2318                 intel_sdvo_connector->cur_##name = response; \
2319                 intel_sdvo_connector->name = \
2320                         drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
2321                 if (!intel_sdvo_connector->name) return false; \
2322                 drm_connector_attach_property(connector, \
2323                                               intel_sdvo_connector->name, \
2324                                               intel_sdvo_connector->cur_##name); \
2325                 DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
2326                               data_value[0], data_value[1], response); \
2327         } \
2328 } while (0)
2329
2330 static bool
2331 intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
2332                                       struct intel_sdvo_connector *intel_sdvo_connector,
2333                                       struct intel_sdvo_enhancements_reply enhancements)
2334 {
2335         struct drm_device *dev = intel_sdvo->base.base.dev;
2336         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2337         uint16_t response, data_value[2];
2338
2339         /* when horizontal overscan is supported, Add the left/right  property */
2340         if (enhancements.overscan_h) {
2341                 if (!intel_sdvo_get_value(intel_sdvo,
2342                                           SDVO_CMD_GET_MAX_OVERSCAN_H,
2343                                           &data_value, 4))
2344                         return false;
2345
2346                 if (!intel_sdvo_get_value(intel_sdvo,
2347                                           SDVO_CMD_GET_OVERSCAN_H,
2348                                           &response, 2))
2349                         return false;
2350
2351                 intel_sdvo_connector->max_hscan = data_value[0];
2352                 intel_sdvo_connector->left_margin = data_value[0] - response;
2353                 intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
2354                 intel_sdvo_connector->left =
2355                         drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
2356                 if (!intel_sdvo_connector->left)
2357                         return false;
2358
2359                 drm_connector_attach_property(connector,
2360                                               intel_sdvo_connector->left,
2361                                               intel_sdvo_connector->left_margin);
2362
2363                 intel_sdvo_connector->right =
2364                         drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
2365                 if (!intel_sdvo_connector->right)
2366                         return false;
2367
2368                 drm_connector_attach_property(connector,
2369                                               intel_sdvo_connector->right,
2370                                               intel_sdvo_connector->right_margin);
2371                 DRM_DEBUG_KMS("h_overscan: max %d, "
2372                               "default %d, current %d\n",
2373                               data_value[0], data_value[1], response);
2374         }
2375
2376         if (enhancements.overscan_v) {
2377                 if (!intel_sdvo_get_value(intel_sdvo,
2378                                           SDVO_CMD_GET_MAX_OVERSCAN_V,
2379                                           &data_value, 4))
2380                         return false;
2381
2382                 if (!intel_sdvo_get_value(intel_sdvo,
2383                                           SDVO_CMD_GET_OVERSCAN_V,
2384                                           &response, 2))
2385                         return false;
2386
2387                 intel_sdvo_connector->max_vscan = data_value[0];
2388                 intel_sdvo_connector->top_margin = data_value[0] - response;
2389                 intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
2390                 intel_sdvo_connector->top =
2391                         drm_property_create_range(dev, 0,
2392                                             "top_margin", 0, data_value[0]);
2393                 if (!intel_sdvo_connector->top)
2394                         return false;
2395
2396                 drm_connector_attach_property(connector,
2397                                               intel_sdvo_connector->top,
2398                                               intel_sdvo_connector->top_margin);
2399
2400                 intel_sdvo_connector->bottom =
2401                         drm_property_create_range(dev, 0,
2402                                             "bottom_margin", 0, data_value[0]);
2403                 if (!intel_sdvo_connector->bottom)
2404                         return false;
2405
2406                 drm_connector_attach_property(connector,
2407                                               intel_sdvo_connector->bottom,
2408                                               intel_sdvo_connector->bottom_margin);
2409                 DRM_DEBUG_KMS("v_overscan: max %d, "
2410                               "default %d, current %d\n",
2411                               data_value[0], data_value[1], response);
2412         }
2413
2414         ENHANCEMENT(hpos, HPOS);
2415         ENHANCEMENT(vpos, VPOS);
2416         ENHANCEMENT(saturation, SATURATION);
2417         ENHANCEMENT(contrast, CONTRAST);
2418         ENHANCEMENT(hue, HUE);
2419         ENHANCEMENT(sharpness, SHARPNESS);
2420         ENHANCEMENT(brightness, BRIGHTNESS);
2421         ENHANCEMENT(flicker_filter, FLICKER_FILTER);
2422         ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
2423         ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
2424         ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
2425         ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
2426
2427         if (enhancements.dot_crawl) {
2428                 if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
2429                         return false;
2430
2431                 intel_sdvo_connector->max_dot_crawl = 1;
2432                 intel_sdvo_connector->cur_dot_crawl = response & 0x1;
2433                 intel_sdvo_connector->dot_crawl =
2434                         drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
2435                 if (!intel_sdvo_connector->dot_crawl)
2436                         return false;
2437
2438                 drm_connector_attach_property(connector,
2439                                               intel_sdvo_connector->dot_crawl,
2440                                               intel_sdvo_connector->cur_dot_crawl);
2441                 DRM_DEBUG_KMS("dot crawl: current %d\n", response);
2442         }
2443
2444         return true;
2445 }
2446
2447 static bool
2448 intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
2449                                         struct intel_sdvo_connector *intel_sdvo_connector,
2450                                         struct intel_sdvo_enhancements_reply enhancements)
2451 {
2452         struct drm_device *dev = intel_sdvo->base.base.dev;
2453         struct drm_connector *connector = &intel_sdvo_connector->base.base;
2454         uint16_t response, data_value[2];
2455
2456         ENHANCEMENT(brightness, BRIGHTNESS);
2457
2458         return true;
2459 }
2460 #undef ENHANCEMENT
2461
2462 static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
2463                                                struct intel_sdvo_connector *intel_sdvo_connector)
2464 {
2465         union {
2466                 struct intel_sdvo_enhancements_reply reply;
2467                 uint16_t response;
2468         } enhancements;
2469
2470         BUILD_BUG_ON(sizeof(enhancements) != 2);
2471
2472         enhancements.response = 0;
2473         intel_sdvo_get_value(intel_sdvo,
2474                              SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
2475                              &enhancements, sizeof(enhancements));
2476         if (enhancements.response == 0) {
2477                 DRM_DEBUG_KMS("No enhancement is supported\n");
2478                 return true;
2479         }
2480
2481         if (IS_TV(intel_sdvo_connector))
2482                 return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2483         else if (IS_LVDS(intel_sdvo_connector))
2484                 return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
2485         else
2486                 return true;
2487 }
2488
2489 static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
2490                                      struct i2c_msg *msgs,
2491                                      int num)
2492 {
2493         struct intel_sdvo *sdvo = adapter->algo_data;
2494
2495         if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
2496                 return -EIO;
2497
2498         return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
2499 }
2500
2501 static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
2502 {
2503         struct intel_sdvo *sdvo = adapter->algo_data;
2504         return sdvo->i2c->algo->functionality(sdvo->i2c);
2505 }
2506
2507 static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
2508         .master_xfer    = intel_sdvo_ddc_proxy_xfer,
2509         .functionality  = intel_sdvo_ddc_proxy_func
2510 };
2511
2512 static bool
2513 intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
2514                           struct drm_device *dev)
2515 {
2516         sdvo->ddc.owner = THIS_MODULE;
2517         sdvo->ddc.class = I2C_CLASS_DDC;
2518         snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
2519         sdvo->ddc.dev.parent = &dev->pdev->dev;
2520         sdvo->ddc.algo_data = sdvo;
2521         sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
2522
2523         return i2c_add_adapter(&sdvo->ddc) == 0;
2524 }
2525
2526 bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
2527 {
2528         struct drm_i915_private *dev_priv = dev->dev_private;
2529         struct intel_encoder *intel_encoder;
2530         struct intel_sdvo *intel_sdvo;
2531         u32 hotplug_mask;
2532         int i;
2533
2534         intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
2535         if (!intel_sdvo)
2536                 return false;
2537
2538         intel_sdvo->sdvo_reg = sdvo_reg;
2539         intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
2540         intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
2541         if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) {
2542                 kfree(intel_sdvo);
2543                 return false;
2544         }
2545
2546         /* encoder type will be decided later */
2547         intel_encoder = &intel_sdvo->base;
2548         intel_encoder->type = INTEL_OUTPUT_SDVO;
2549         drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
2550
2551         /* Read the regs to test if we can talk to the device */
2552         for (i = 0; i < 0x40; i++) {
2553                 u8 byte;
2554
2555                 if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
2556                         DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
2557                                       IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2558                         goto err;
2559                 }
2560         }
2561
2562         hotplug_mask = 0;
2563         if (IS_G4X(dev)) {
2564                 hotplug_mask = IS_SDVOB(sdvo_reg) ?
2565                         SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
2566         } else if (IS_GEN4(dev)) {
2567                 hotplug_mask = IS_SDVOB(sdvo_reg) ?
2568                         SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
2569         } else {
2570                 hotplug_mask = IS_SDVOB(sdvo_reg) ?
2571                         SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
2572         }
2573
2574         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
2575
2576         /* In default case sdvo lvds is false */
2577         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
2578                 goto err;
2579
2580         if (intel_sdvo_output_setup(intel_sdvo,
2581                                     intel_sdvo->caps.output_flags) != true) {
2582                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
2583                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
2584                 goto err;
2585         }
2586
2587         /* Only enable the hotplug irq if we need it, to work around noisy
2588          * hotplug lines.
2589          */
2590         if (intel_sdvo->hotplug_active[0])
2591                 dev_priv->hotplug_supported_mask |= hotplug_mask;
2592
2593         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
2594
2595         /* Set the input timing to the screen. Assume always input 0. */
2596         if (!intel_sdvo_set_target_input(intel_sdvo))
2597                 goto err;
2598
2599         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
2600                                                     &intel_sdvo->pixel_clock_min,
2601                                                     &intel_sdvo->pixel_clock_max))
2602                 goto err;
2603
2604         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
2605                         "clock range %dMHz - %dMHz, "
2606                         "input 1: %c, input 2: %c, "
2607                         "output 1: %c, output 2: %c\n",
2608                         SDVO_NAME(intel_sdvo),
2609                         intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
2610                         intel_sdvo->caps.device_rev_id,
2611                         intel_sdvo->pixel_clock_min / 1000,
2612                         intel_sdvo->pixel_clock_max / 1000,
2613                         (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
2614                         (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
2615                         /* check currently supported outputs */
2616                         intel_sdvo->caps.output_flags &
2617                         (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
2618                         intel_sdvo->caps.output_flags &
2619                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
2620         return true;
2621
2622 err:
2623         drm_encoder_cleanup(&intel_encoder->base);
2624         i2c_del_adapter(&intel_sdvo->ddc);
2625         kfree(intel_sdvo);
2626
2627         return false;
2628 }