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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 <drm/drmP.h> | |
33 | #include <drm/drm_atomic_helper.h> | |
34 | #include <drm/drm_crtc.h> | |
35 | #include <drm/drm_edid.h> | |
36 | #include "intel_drv.h" | |
37 | #include <drm/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 | SDVO_OUTPUT_YPRPB0) | |
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 * const 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 ARRAY_SIZE(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 | i915_reg_t 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 | * intel_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 | uint16_t hotplug_active; | |
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 | bool color_range_auto; | |
108 | ||
109 | /** | |
110 | * HDMI user specified aspect ratio | |
111 | */ | |
112 | enum hdmi_picture_aspect aspect_ratio; | |
113 | ||
114 | /** | |
115 | * This is set if we're going to treat the device as TV-out. | |
116 | * | |
117 | * While we have these nice friendly flags for output types that ought | |
118 | * to decide this for us, the S-Video output on our HDMI+S-Video card | |
119 | * shows up as RGB1 (VGA). | |
120 | */ | |
121 | bool is_tv; | |
122 | ||
123 | enum port port; | |
124 | ||
125 | /* This is for current tv format name */ | |
126 | int tv_format_index; | |
127 | ||
128 | /** | |
129 | * This is set if we treat the device as HDMI, instead of DVI. | |
130 | */ | |
131 | bool is_hdmi; | |
132 | bool has_hdmi_monitor; | |
133 | bool has_hdmi_audio; | |
134 | bool rgb_quant_range_selectable; | |
135 | ||
136 | /** | |
137 | * This is set if we detect output of sdvo device as LVDS and | |
138 | * have a valid fixed mode to use with the panel. | |
139 | */ | |
140 | bool is_lvds; | |
141 | ||
142 | /** | |
143 | * This is sdvo fixed pannel mode pointer | |
144 | */ | |
145 | struct drm_display_mode *sdvo_lvds_fixed_mode; | |
146 | ||
147 | /* DDC bus used by this SDVO encoder */ | |
148 | uint8_t ddc_bus; | |
149 | ||
150 | /* | |
151 | * the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd | |
152 | */ | |
153 | uint8_t dtd_sdvo_flags; | |
154 | }; | |
155 | ||
156 | struct intel_sdvo_connector { | |
157 | struct intel_connector base; | |
158 | ||
159 | /* Mark the type of connector */ | |
160 | uint16_t output_flag; | |
161 | ||
162 | enum hdmi_force_audio force_audio; | |
163 | ||
164 | /* This contains all current supported TV format */ | |
165 | u8 tv_format_supported[TV_FORMAT_NUM]; | |
166 | int format_supported_num; | |
167 | struct drm_property *tv_format; | |
168 | ||
169 | /* add the property for the SDVO-TV */ | |
170 | struct drm_property *left; | |
171 | struct drm_property *right; | |
172 | struct drm_property *top; | |
173 | struct drm_property *bottom; | |
174 | struct drm_property *hpos; | |
175 | struct drm_property *vpos; | |
176 | struct drm_property *contrast; | |
177 | struct drm_property *saturation; | |
178 | struct drm_property *hue; | |
179 | struct drm_property *sharpness; | |
180 | struct drm_property *flicker_filter; | |
181 | struct drm_property *flicker_filter_adaptive; | |
182 | struct drm_property *flicker_filter_2d; | |
183 | struct drm_property *tv_chroma_filter; | |
184 | struct drm_property *tv_luma_filter; | |
185 | struct drm_property *dot_crawl; | |
186 | ||
187 | /* add the property for the SDVO-TV/LVDS */ | |
188 | struct drm_property *brightness; | |
189 | ||
190 | /* Add variable to record current setting for the above property */ | |
191 | u32 left_margin, right_margin, top_margin, bottom_margin; | |
192 | ||
193 | /* this is to get the range of margin.*/ | |
194 | u32 max_hscan, max_vscan; | |
195 | u32 max_hpos, cur_hpos; | |
196 | u32 max_vpos, cur_vpos; | |
197 | u32 cur_brightness, max_brightness; | |
198 | u32 cur_contrast, max_contrast; | |
199 | u32 cur_saturation, max_saturation; | |
200 | u32 cur_hue, max_hue; | |
201 | u32 cur_sharpness, max_sharpness; | |
202 | u32 cur_flicker_filter, max_flicker_filter; | |
203 | u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive; | |
204 | u32 cur_flicker_filter_2d, max_flicker_filter_2d; | |
205 | u32 cur_tv_chroma_filter, max_tv_chroma_filter; | |
206 | u32 cur_tv_luma_filter, max_tv_luma_filter; | |
207 | u32 cur_dot_crawl, max_dot_crawl; | |
208 | }; | |
209 | ||
210 | static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder) | |
211 | { | |
212 | return container_of(encoder, struct intel_sdvo, base); | |
213 | } | |
214 | ||
215 | static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector) | |
216 | { | |
217 | return to_sdvo(intel_attached_encoder(connector)); | |
218 | } | |
219 | ||
220 | static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector) | |
221 | { | |
222 | return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base); | |
223 | } | |
224 | ||
225 | static bool | |
226 | intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags); | |
227 | static bool | |
228 | intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, | |
229 | struct intel_sdvo_connector *intel_sdvo_connector, | |
230 | int type); | |
231 | static bool | |
232 | intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, | |
233 | struct intel_sdvo_connector *intel_sdvo_connector); | |
234 | ||
235 | /** | |
236 | * Writes the SDVOB or SDVOC with the given value, but always writes both | |
237 | * SDVOB and SDVOC to work around apparent hardware issues (according to | |
238 | * comments in the BIOS). | |
239 | */ | |
240 | static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val) | |
241 | { | |
242 | struct drm_device *dev = intel_sdvo->base.base.dev; | |
243 | struct drm_i915_private *dev_priv = to_i915(dev); | |
244 | u32 bval = val, cval = val; | |
245 | int i; | |
246 | ||
247 | if (HAS_PCH_SPLIT(dev_priv)) { | |
248 | I915_WRITE(intel_sdvo->sdvo_reg, val); | |
249 | POSTING_READ(intel_sdvo->sdvo_reg); | |
250 | /* | |
251 | * HW workaround, need to write this twice for issue | |
252 | * that may result in first write getting masked. | |
253 | */ | |
254 | if (HAS_PCH_IBX(dev_priv)) { | |
255 | I915_WRITE(intel_sdvo->sdvo_reg, val); | |
256 | POSTING_READ(intel_sdvo->sdvo_reg); | |
257 | } | |
258 | return; | |
259 | } | |
260 | ||
261 | if (intel_sdvo->port == PORT_B) | |
262 | cval = I915_READ(GEN3_SDVOC); | |
263 | else | |
264 | bval = I915_READ(GEN3_SDVOB); | |
265 | ||
266 | /* | |
267 | * Write the registers twice for luck. Sometimes, | |
268 | * writing them only once doesn't appear to 'stick'. | |
269 | * The BIOS does this too. Yay, magic | |
270 | */ | |
271 | for (i = 0; i < 2; i++) | |
272 | { | |
273 | I915_WRITE(GEN3_SDVOB, bval); | |
274 | POSTING_READ(GEN3_SDVOB); | |
275 | I915_WRITE(GEN3_SDVOC, cval); | |
276 | POSTING_READ(GEN3_SDVOC); | |
277 | } | |
278 | } | |
279 | ||
280 | static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch) | |
281 | { | |
282 | struct i2c_msg msgs[] = { | |
283 | { | |
284 | .addr = intel_sdvo->slave_addr, | |
285 | .flags = 0, | |
286 | .len = 1, | |
287 | .buf = &addr, | |
288 | }, | |
289 | { | |
290 | .addr = intel_sdvo->slave_addr, | |
291 | .flags = I2C_M_RD, | |
292 | .len = 1, | |
293 | .buf = ch, | |
294 | } | |
295 | }; | |
296 | int ret; | |
297 | ||
298 | if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2) | |
299 | return true; | |
300 | ||
301 | DRM_DEBUG_KMS("i2c transfer returned %d\n", ret); | |
302 | return false; | |
303 | } | |
304 | ||
305 | #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} | |
306 | /** Mapping of command numbers to names, for debug output */ | |
307 | static const struct _sdvo_cmd_name { | |
308 | u8 cmd; | |
309 | const char *name; | |
310 | } __attribute__ ((packed)) sdvo_cmd_names[] = { | |
311 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), | |
312 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), | |
313 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), | |
314 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), | |
315 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), | |
316 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), | |
317 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), | |
318 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), | |
319 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), | |
320 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), | |
321 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), | |
322 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), | |
323 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), | |
324 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), | |
325 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), | |
326 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), | |
327 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), | |
328 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), | |
329 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), | |
330 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), | |
331 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), | |
332 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), | |
333 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), | |
334 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), | |
335 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), | |
336 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), | |
337 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), | |
338 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), | |
339 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), | |
340 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), | |
341 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), | |
342 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), | |
343 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), | |
344 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), | |
345 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), | |
346 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES), | |
347 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE), | |
348 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE), | |
349 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE), | |
350 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH), | |
351 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT), | |
352 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT), | |
353 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS), | |
354 | ||
355 | /* Add the op code for SDVO enhancements */ | |
356 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS), | |
357 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS), | |
358 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS), | |
359 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS), | |
360 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS), | |
361 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS), | |
362 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION), | |
363 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION), | |
364 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION), | |
365 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE), | |
366 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE), | |
367 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE), | |
368 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST), | |
369 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST), | |
370 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST), | |
371 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS), | |
372 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS), | |
373 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS), | |
374 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H), | |
375 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H), | |
376 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H), | |
377 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V), | |
378 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V), | |
379 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V), | |
380 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER), | |
381 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER), | |
382 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER), | |
383 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE), | |
384 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE), | |
385 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE), | |
386 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D), | |
387 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D), | |
388 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D), | |
389 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS), | |
390 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS), | |
391 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS), | |
392 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL), | |
393 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL), | |
394 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER), | |
395 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER), | |
396 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER), | |
397 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER), | |
398 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER), | |
399 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER), | |
400 | ||
401 | /* HDMI op code */ | |
402 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE), | |
403 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE), | |
404 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE), | |
405 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI), | |
406 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI), | |
407 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP), | |
408 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY), | |
409 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY), | |
410 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER), | |
411 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT), | |
412 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT), | |
413 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX), | |
414 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX), | |
415 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO), | |
416 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT), | |
417 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT), | |
418 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE), | |
419 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE), | |
420 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA), | |
421 | SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA), | |
422 | }; | |
423 | ||
424 | #define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC") | |
425 | ||
426 | static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd, | |
427 | const void *args, int args_len) | |
428 | { | |
429 | int i, pos = 0; | |
430 | #define BUF_LEN 256 | |
431 | char buffer[BUF_LEN]; | |
432 | ||
433 | #define BUF_PRINT(args...) \ | |
434 | pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args) | |
435 | ||
436 | ||
437 | for (i = 0; i < args_len; i++) { | |
438 | BUF_PRINT("%02X ", ((u8 *)args)[i]); | |
439 | } | |
440 | for (; i < 8; i++) { | |
441 | BUF_PRINT(" "); | |
442 | } | |
443 | for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) { | |
444 | if (cmd == sdvo_cmd_names[i].cmd) { | |
445 | BUF_PRINT("(%s)", sdvo_cmd_names[i].name); | |
446 | break; | |
447 | } | |
448 | } | |
449 | if (i == ARRAY_SIZE(sdvo_cmd_names)) { | |
450 | BUF_PRINT("(%02X)", cmd); | |
451 | } | |
452 | BUG_ON(pos >= BUF_LEN - 1); | |
453 | #undef BUF_PRINT | |
454 | #undef BUF_LEN | |
455 | ||
456 | DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer); | |
457 | } | |
458 | ||
459 | static const char * const cmd_status_names[] = { | |
460 | "Power on", | |
461 | "Success", | |
462 | "Not supported", | |
463 | "Invalid arg", | |
464 | "Pending", | |
465 | "Target not specified", | |
466 | "Scaling not supported" | |
467 | }; | |
468 | ||
469 | static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, | |
470 | const void *args, int args_len) | |
471 | { | |
472 | u8 *buf, status; | |
473 | struct i2c_msg *msgs; | |
474 | int i, ret = true; | |
475 | ||
476 | /* Would be simpler to allocate both in one go ? */ | |
477 | buf = kzalloc(args_len * 2 + 2, GFP_KERNEL); | |
478 | if (!buf) | |
479 | return false; | |
480 | ||
481 | msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL); | |
482 | if (!msgs) { | |
483 | kfree(buf); | |
484 | return false; | |
485 | } | |
486 | ||
487 | intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len); | |
488 | ||
489 | for (i = 0; i < args_len; i++) { | |
490 | msgs[i].addr = intel_sdvo->slave_addr; | |
491 | msgs[i].flags = 0; | |
492 | msgs[i].len = 2; | |
493 | msgs[i].buf = buf + 2 *i; | |
494 | buf[2*i + 0] = SDVO_I2C_ARG_0 - i; | |
495 | buf[2*i + 1] = ((u8*)args)[i]; | |
496 | } | |
497 | msgs[i].addr = intel_sdvo->slave_addr; | |
498 | msgs[i].flags = 0; | |
499 | msgs[i].len = 2; | |
500 | msgs[i].buf = buf + 2*i; | |
501 | buf[2*i + 0] = SDVO_I2C_OPCODE; | |
502 | buf[2*i + 1] = cmd; | |
503 | ||
504 | /* the following two are to read the response */ | |
505 | status = SDVO_I2C_CMD_STATUS; | |
506 | msgs[i+1].addr = intel_sdvo->slave_addr; | |
507 | msgs[i+1].flags = 0; | |
508 | msgs[i+1].len = 1; | |
509 | msgs[i+1].buf = &status; | |
510 | ||
511 | msgs[i+2].addr = intel_sdvo->slave_addr; | |
512 | msgs[i+2].flags = I2C_M_RD; | |
513 | msgs[i+2].len = 1; | |
514 | msgs[i+2].buf = &status; | |
515 | ||
516 | ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3); | |
517 | if (ret < 0) { | |
518 | DRM_DEBUG_KMS("I2c transfer returned %d\n", ret); | |
519 | ret = false; | |
520 | goto out; | |
521 | } | |
522 | if (ret != i+3) { | |
523 | /* failure in I2C transfer */ | |
524 | DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3); | |
525 | ret = false; | |
526 | } | |
527 | ||
528 | out: | |
529 | kfree(msgs); | |
530 | kfree(buf); | |
531 | return ret; | |
532 | } | |
533 | ||
534 | static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo, | |
535 | void *response, int response_len) | |
536 | { | |
537 | u8 retry = 15; /* 5 quick checks, followed by 10 long checks */ | |
538 | u8 status; | |
539 | int i, pos = 0; | |
540 | #define BUF_LEN 256 | |
541 | char buffer[BUF_LEN]; | |
542 | ||
543 | ||
544 | /* | |
545 | * The documentation states that all commands will be | |
546 | * processed within 15µs, and that we need only poll | |
547 | * the status byte a maximum of 3 times in order for the | |
548 | * command to be complete. | |
549 | * | |
550 | * Check 5 times in case the hardware failed to read the docs. | |
551 | * | |
552 | * Also beware that the first response by many devices is to | |
553 | * reply PENDING and stall for time. TVs are notorious for | |
554 | * requiring longer than specified to complete their replies. | |
555 | * Originally (in the DDX long ago), the delay was only ever 15ms | |
556 | * with an additional delay of 30ms applied for TVs added later after | |
557 | * many experiments. To accommodate both sets of delays, we do a | |
558 | * sequence of slow checks if the device is falling behind and fails | |
559 | * to reply within 5*15µs. | |
560 | */ | |
561 | if (!intel_sdvo_read_byte(intel_sdvo, | |
562 | SDVO_I2C_CMD_STATUS, | |
563 | &status)) | |
564 | goto log_fail; | |
565 | ||
566 | while ((status == SDVO_CMD_STATUS_PENDING || | |
567 | status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && --retry) { | |
568 | if (retry < 10) | |
569 | msleep(15); | |
570 | else | |
571 | udelay(15); | |
572 | ||
573 | if (!intel_sdvo_read_byte(intel_sdvo, | |
574 | SDVO_I2C_CMD_STATUS, | |
575 | &status)) | |
576 | goto log_fail; | |
577 | } | |
578 | ||
579 | #define BUF_PRINT(args...) \ | |
580 | pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args) | |
581 | ||
582 | if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP) | |
583 | BUF_PRINT("(%s)", cmd_status_names[status]); | |
584 | else | |
585 | BUF_PRINT("(??? %d)", status); | |
586 | ||
587 | if (status != SDVO_CMD_STATUS_SUCCESS) | |
588 | goto log_fail; | |
589 | ||
590 | /* Read the command response */ | |
591 | for (i = 0; i < response_len; i++) { | |
592 | if (!intel_sdvo_read_byte(intel_sdvo, | |
593 | SDVO_I2C_RETURN_0 + i, | |
594 | &((u8 *)response)[i])) | |
595 | goto log_fail; | |
596 | BUF_PRINT(" %02X", ((u8 *)response)[i]); | |
597 | } | |
598 | BUG_ON(pos >= BUF_LEN - 1); | |
599 | #undef BUF_PRINT | |
600 | #undef BUF_LEN | |
601 | ||
602 | DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer); | |
603 | return true; | |
604 | ||
605 | log_fail: | |
606 | DRM_DEBUG_KMS("%s: R: ... failed\n", SDVO_NAME(intel_sdvo)); | |
607 | return false; | |
608 | } | |
609 | ||
610 | static int intel_sdvo_get_pixel_multiplier(const struct drm_display_mode *adjusted_mode) | |
611 | { | |
612 | if (adjusted_mode->crtc_clock >= 100000) | |
613 | return 1; | |
614 | else if (adjusted_mode->crtc_clock >= 50000) | |
615 | return 2; | |
616 | else | |
617 | return 4; | |
618 | } | |
619 | ||
620 | static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo, | |
621 | u8 ddc_bus) | |
622 | { | |
623 | /* This must be the immediately preceding write before the i2c xfer */ | |
624 | return intel_sdvo_write_cmd(intel_sdvo, | |
625 | SDVO_CMD_SET_CONTROL_BUS_SWITCH, | |
626 | &ddc_bus, 1); | |
627 | } | |
628 | ||
629 | static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len) | |
630 | { | |
631 | if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len)) | |
632 | return false; | |
633 | ||
634 | return intel_sdvo_read_response(intel_sdvo, NULL, 0); | |
635 | } | |
636 | ||
637 | static bool | |
638 | intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len) | |
639 | { | |
640 | if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0)) | |
641 | return false; | |
642 | ||
643 | return intel_sdvo_read_response(intel_sdvo, value, len); | |
644 | } | |
645 | ||
646 | static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo) | |
647 | { | |
648 | struct intel_sdvo_set_target_input_args targets = {0}; | |
649 | return intel_sdvo_set_value(intel_sdvo, | |
650 | SDVO_CMD_SET_TARGET_INPUT, | |
651 | &targets, sizeof(targets)); | |
652 | } | |
653 | ||
654 | /** | |
655 | * Return whether each input is trained. | |
656 | * | |
657 | * This function is making an assumption about the layout of the response, | |
658 | * which should be checked against the docs. | |
659 | */ | |
660 | static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2) | |
661 | { | |
662 | struct intel_sdvo_get_trained_inputs_response response; | |
663 | ||
664 | BUILD_BUG_ON(sizeof(response) != 1); | |
665 | if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS, | |
666 | &response, sizeof(response))) | |
667 | return false; | |
668 | ||
669 | *input_1 = response.input0_trained; | |
670 | *input_2 = response.input1_trained; | |
671 | return true; | |
672 | } | |
673 | ||
674 | static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo, | |
675 | u16 outputs) | |
676 | { | |
677 | return intel_sdvo_set_value(intel_sdvo, | |
678 | SDVO_CMD_SET_ACTIVE_OUTPUTS, | |
679 | &outputs, sizeof(outputs)); | |
680 | } | |
681 | ||
682 | static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo, | |
683 | u16 *outputs) | |
684 | { | |
685 | return intel_sdvo_get_value(intel_sdvo, | |
686 | SDVO_CMD_GET_ACTIVE_OUTPUTS, | |
687 | outputs, sizeof(*outputs)); | |
688 | } | |
689 | ||
690 | static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo, | |
691 | int mode) | |
692 | { | |
693 | u8 state = SDVO_ENCODER_STATE_ON; | |
694 | ||
695 | switch (mode) { | |
696 | case DRM_MODE_DPMS_ON: | |
697 | state = SDVO_ENCODER_STATE_ON; | |
698 | break; | |
699 | case DRM_MODE_DPMS_STANDBY: | |
700 | state = SDVO_ENCODER_STATE_STANDBY; | |
701 | break; | |
702 | case DRM_MODE_DPMS_SUSPEND: | |
703 | state = SDVO_ENCODER_STATE_SUSPEND; | |
704 | break; | |
705 | case DRM_MODE_DPMS_OFF: | |
706 | state = SDVO_ENCODER_STATE_OFF; | |
707 | break; | |
708 | } | |
709 | ||
710 | return intel_sdvo_set_value(intel_sdvo, | |
711 | SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state)); | |
712 | } | |
713 | ||
714 | static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo, | |
715 | int *clock_min, | |
716 | int *clock_max) | |
717 | { | |
718 | struct intel_sdvo_pixel_clock_range clocks; | |
719 | ||
720 | BUILD_BUG_ON(sizeof(clocks) != 4); | |
721 | if (!intel_sdvo_get_value(intel_sdvo, | |
722 | SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, | |
723 | &clocks, sizeof(clocks))) | |
724 | return false; | |
725 | ||
726 | /* Convert the values from units of 10 kHz to kHz. */ | |
727 | *clock_min = clocks.min * 10; | |
728 | *clock_max = clocks.max * 10; | |
729 | return true; | |
730 | } | |
731 | ||
732 | static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo, | |
733 | u16 outputs) | |
734 | { | |
735 | return intel_sdvo_set_value(intel_sdvo, | |
736 | SDVO_CMD_SET_TARGET_OUTPUT, | |
737 | &outputs, sizeof(outputs)); | |
738 | } | |
739 | ||
740 | static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd, | |
741 | struct intel_sdvo_dtd *dtd) | |
742 | { | |
743 | return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) && | |
744 | intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2)); | |
745 | } | |
746 | ||
747 | static bool intel_sdvo_get_timing(struct intel_sdvo *intel_sdvo, u8 cmd, | |
748 | struct intel_sdvo_dtd *dtd) | |
749 | { | |
750 | return intel_sdvo_get_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) && | |
751 | intel_sdvo_get_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2)); | |
752 | } | |
753 | ||
754 | static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo, | |
755 | struct intel_sdvo_dtd *dtd) | |
756 | { | |
757 | return intel_sdvo_set_timing(intel_sdvo, | |
758 | SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd); | |
759 | } | |
760 | ||
761 | static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo, | |
762 | struct intel_sdvo_dtd *dtd) | |
763 | { | |
764 | return intel_sdvo_set_timing(intel_sdvo, | |
765 | SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd); | |
766 | } | |
767 | ||
768 | static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo, | |
769 | struct intel_sdvo_dtd *dtd) | |
770 | { | |
771 | return intel_sdvo_get_timing(intel_sdvo, | |
772 | SDVO_CMD_GET_INPUT_TIMINGS_PART1, dtd); | |
773 | } | |
774 | ||
775 | static bool | |
776 | intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo, | |
777 | uint16_t clock, | |
778 | uint16_t width, | |
779 | uint16_t height) | |
780 | { | |
781 | struct intel_sdvo_preferred_input_timing_args args; | |
782 | ||
783 | memset(&args, 0, sizeof(args)); | |
784 | args.clock = clock; | |
785 | args.width = width; | |
786 | args.height = height; | |
787 | args.interlace = 0; | |
788 | ||
789 | if (intel_sdvo->is_lvds && | |
790 | (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width || | |
791 | intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height)) | |
792 | args.scaled = 1; | |
793 | ||
794 | return intel_sdvo_set_value(intel_sdvo, | |
795 | SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING, | |
796 | &args, sizeof(args)); | |
797 | } | |
798 | ||
799 | static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo, | |
800 | struct intel_sdvo_dtd *dtd) | |
801 | { | |
802 | BUILD_BUG_ON(sizeof(dtd->part1) != 8); | |
803 | BUILD_BUG_ON(sizeof(dtd->part2) != 8); | |
804 | return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1, | |
805 | &dtd->part1, sizeof(dtd->part1)) && | |
806 | intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2, | |
807 | &dtd->part2, sizeof(dtd->part2)); | |
808 | } | |
809 | ||
810 | static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val) | |
811 | { | |
812 | return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1); | |
813 | } | |
814 | ||
815 | static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd, | |
816 | const struct drm_display_mode *mode) | |
817 | { | |
818 | uint16_t width, height; | |
819 | uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len; | |
820 | uint16_t h_sync_offset, v_sync_offset; | |
821 | int mode_clock; | |
822 | ||
823 | memset(dtd, 0, sizeof(*dtd)); | |
824 | ||
825 | width = mode->hdisplay; | |
826 | height = mode->vdisplay; | |
827 | ||
828 | /* do some mode translations */ | |
829 | h_blank_len = mode->htotal - mode->hdisplay; | |
830 | h_sync_len = mode->hsync_end - mode->hsync_start; | |
831 | ||
832 | v_blank_len = mode->vtotal - mode->vdisplay; | |
833 | v_sync_len = mode->vsync_end - mode->vsync_start; | |
834 | ||
835 | h_sync_offset = mode->hsync_start - mode->hdisplay; | |
836 | v_sync_offset = mode->vsync_start - mode->vdisplay; | |
837 | ||
838 | mode_clock = mode->clock; | |
839 | mode_clock /= 10; | |
840 | dtd->part1.clock = mode_clock; | |
841 | ||
842 | dtd->part1.h_active = width & 0xff; | |
843 | dtd->part1.h_blank = h_blank_len & 0xff; | |
844 | dtd->part1.h_high = (((width >> 8) & 0xf) << 4) | | |
845 | ((h_blank_len >> 8) & 0xf); | |
846 | dtd->part1.v_active = height & 0xff; | |
847 | dtd->part1.v_blank = v_blank_len & 0xff; | |
848 | dtd->part1.v_high = (((height >> 8) & 0xf) << 4) | | |
849 | ((v_blank_len >> 8) & 0xf); | |
850 | ||
851 | dtd->part2.h_sync_off = h_sync_offset & 0xff; | |
852 | dtd->part2.h_sync_width = h_sync_len & 0xff; | |
853 | dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 | | |
854 | (v_sync_len & 0xf); | |
855 | dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) | | |
856 | ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) | | |
857 | ((v_sync_len & 0x30) >> 4); | |
858 | ||
859 | dtd->part2.dtd_flags = 0x18; | |
860 | if (mode->flags & DRM_MODE_FLAG_INTERLACE) | |
861 | dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE; | |
862 | if (mode->flags & DRM_MODE_FLAG_PHSYNC) | |
863 | dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE; | |
864 | if (mode->flags & DRM_MODE_FLAG_PVSYNC) | |
865 | dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE; | |
866 | ||
867 | dtd->part2.v_sync_off_high = v_sync_offset & 0xc0; | |
868 | } | |
869 | ||
870 | static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode *pmode, | |
871 | const struct intel_sdvo_dtd *dtd) | |
872 | { | |
873 | struct drm_display_mode mode = {}; | |
874 | ||
875 | mode.hdisplay = dtd->part1.h_active; | |
876 | mode.hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8; | |
877 | mode.hsync_start = mode.hdisplay + dtd->part2.h_sync_off; | |
878 | mode.hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2; | |
879 | mode.hsync_end = mode.hsync_start + dtd->part2.h_sync_width; | |
880 | mode.hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4; | |
881 | mode.htotal = mode.hdisplay + dtd->part1.h_blank; | |
882 | mode.htotal += (dtd->part1.h_high & 0xf) << 8; | |
883 | ||
884 | mode.vdisplay = dtd->part1.v_active; | |
885 | mode.vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8; | |
886 | mode.vsync_start = mode.vdisplay; | |
887 | mode.vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf; | |
888 | mode.vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2; | |
889 | mode.vsync_start += dtd->part2.v_sync_off_high & 0xc0; | |
890 | mode.vsync_end = mode.vsync_start + | |
891 | (dtd->part2.v_sync_off_width & 0xf); | |
892 | mode.vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4; | |
893 | mode.vtotal = mode.vdisplay + dtd->part1.v_blank; | |
894 | mode.vtotal += (dtd->part1.v_high & 0xf) << 8; | |
895 | ||
896 | mode.clock = dtd->part1.clock * 10; | |
897 | ||
898 | if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE) | |
899 | mode.flags |= DRM_MODE_FLAG_INTERLACE; | |
900 | if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE) | |
901 | mode.flags |= DRM_MODE_FLAG_PHSYNC; | |
902 | else | |
903 | mode.flags |= DRM_MODE_FLAG_NHSYNC; | |
904 | if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE) | |
905 | mode.flags |= DRM_MODE_FLAG_PVSYNC; | |
906 | else | |
907 | mode.flags |= DRM_MODE_FLAG_NVSYNC; | |
908 | ||
909 | drm_mode_set_crtcinfo(&mode, 0); | |
910 | ||
911 | drm_mode_copy(pmode, &mode); | |
912 | } | |
913 | ||
914 | static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo) | |
915 | { | |
916 | struct intel_sdvo_encode encode; | |
917 | ||
918 | BUILD_BUG_ON(sizeof(encode) != 2); | |
919 | return intel_sdvo_get_value(intel_sdvo, | |
920 | SDVO_CMD_GET_SUPP_ENCODE, | |
921 | &encode, sizeof(encode)); | |
922 | } | |
923 | ||
924 | static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo, | |
925 | uint8_t mode) | |
926 | { | |
927 | return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1); | |
928 | } | |
929 | ||
930 | static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo, | |
931 | uint8_t mode) | |
932 | { | |
933 | return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1); | |
934 | } | |
935 | ||
936 | #if 0 | |
937 | static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo) | |
938 | { | |
939 | int i, j; | |
940 | uint8_t set_buf_index[2]; | |
941 | uint8_t av_split; | |
942 | uint8_t buf_size; | |
943 | uint8_t buf[48]; | |
944 | uint8_t *pos; | |
945 | ||
946 | intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1); | |
947 | ||
948 | for (i = 0; i <= av_split; i++) { | |
949 | set_buf_index[0] = i; set_buf_index[1] = 0; | |
950 | intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX, | |
951 | set_buf_index, 2); | |
952 | intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0); | |
953 | intel_sdvo_read_response(encoder, &buf_size, 1); | |
954 | ||
955 | pos = buf; | |
956 | for (j = 0; j <= buf_size; j += 8) { | |
957 | intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA, | |
958 | NULL, 0); | |
959 | intel_sdvo_read_response(encoder, pos, 8); | |
960 | pos += 8; | |
961 | } | |
962 | } | |
963 | } | |
964 | #endif | |
965 | ||
966 | static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo, | |
967 | unsigned if_index, uint8_t tx_rate, | |
968 | const uint8_t *data, unsigned length) | |
969 | { | |
970 | uint8_t set_buf_index[2] = { if_index, 0 }; | |
971 | uint8_t hbuf_size, tmp[8]; | |
972 | int i; | |
973 | ||
974 | if (!intel_sdvo_set_value(intel_sdvo, | |
975 | SDVO_CMD_SET_HBUF_INDEX, | |
976 | set_buf_index, 2)) | |
977 | return false; | |
978 | ||
979 | if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, | |
980 | &hbuf_size, 1)) | |
981 | return false; | |
982 | ||
983 | /* Buffer size is 0 based, hooray! */ | |
984 | hbuf_size++; | |
985 | ||
986 | DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n", | |
987 | if_index, length, hbuf_size); | |
988 | ||
989 | for (i = 0; i < hbuf_size; i += 8) { | |
990 | memset(tmp, 0, 8); | |
991 | if (i < length) | |
992 | memcpy(tmp, data + i, min_t(unsigned, 8, length - i)); | |
993 | ||
994 | if (!intel_sdvo_set_value(intel_sdvo, | |
995 | SDVO_CMD_SET_HBUF_DATA, | |
996 | tmp, 8)) | |
997 | return false; | |
998 | } | |
999 | ||
1000 | return intel_sdvo_set_value(intel_sdvo, | |
1001 | SDVO_CMD_SET_HBUF_TXRATE, | |
1002 | &tx_rate, 1); | |
1003 | } | |
1004 | ||
1005 | static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo, | |
1006 | struct intel_crtc_state *pipe_config) | |
1007 | { | |
1008 | uint8_t sdvo_data[HDMI_INFOFRAME_SIZE(AVI)]; | |
1009 | union hdmi_infoframe frame; | |
1010 | int ret; | |
1011 | ssize_t len; | |
1012 | ||
1013 | ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, | |
1014 | &pipe_config->base.adjusted_mode); | |
1015 | if (ret < 0) { | |
1016 | DRM_ERROR("couldn't fill AVI infoframe\n"); | |
1017 | return false; | |
1018 | } | |
1019 | ||
1020 | if (intel_sdvo->rgb_quant_range_selectable) { | |
1021 | if (pipe_config->limited_color_range) | |
1022 | frame.avi.quantization_range = | |
1023 | HDMI_QUANTIZATION_RANGE_LIMITED; | |
1024 | else | |
1025 | frame.avi.quantization_range = | |
1026 | HDMI_QUANTIZATION_RANGE_FULL; | |
1027 | } | |
1028 | ||
1029 | len = hdmi_infoframe_pack(&frame, sdvo_data, sizeof(sdvo_data)); | |
1030 | if (len < 0) | |
1031 | return false; | |
1032 | ||
1033 | return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF, | |
1034 | SDVO_HBUF_TX_VSYNC, | |
1035 | sdvo_data, sizeof(sdvo_data)); | |
1036 | } | |
1037 | ||
1038 | static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo) | |
1039 | { | |
1040 | struct intel_sdvo_tv_format format; | |
1041 | uint32_t format_map; | |
1042 | ||
1043 | format_map = 1 << intel_sdvo->tv_format_index; | |
1044 | memset(&format, 0, sizeof(format)); | |
1045 | memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map))); | |
1046 | ||
1047 | BUILD_BUG_ON(sizeof(format) != 6); | |
1048 | return intel_sdvo_set_value(intel_sdvo, | |
1049 | SDVO_CMD_SET_TV_FORMAT, | |
1050 | &format, sizeof(format)); | |
1051 | } | |
1052 | ||
1053 | static bool | |
1054 | intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo, | |
1055 | const struct drm_display_mode *mode) | |
1056 | { | |
1057 | struct intel_sdvo_dtd output_dtd; | |
1058 | ||
1059 | if (!intel_sdvo_set_target_output(intel_sdvo, | |
1060 | intel_sdvo->attached_output)) | |
1061 | return false; | |
1062 | ||
1063 | intel_sdvo_get_dtd_from_mode(&output_dtd, mode); | |
1064 | if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd)) | |
1065 | return false; | |
1066 | ||
1067 | return true; | |
1068 | } | |
1069 | ||
1070 | /* Asks the sdvo controller for the preferred input mode given the output mode. | |
1071 | * Unfortunately we have to set up the full output mode to do that. */ | |
1072 | static bool | |
1073 | intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo, | |
1074 | const struct drm_display_mode *mode, | |
1075 | struct drm_display_mode *adjusted_mode) | |
1076 | { | |
1077 | struct intel_sdvo_dtd input_dtd; | |
1078 | ||
1079 | /* Reset the input timing to the screen. Assume always input 0. */ | |
1080 | if (!intel_sdvo_set_target_input(intel_sdvo)) | |
1081 | return false; | |
1082 | ||
1083 | if (!intel_sdvo_create_preferred_input_timing(intel_sdvo, | |
1084 | mode->clock / 10, | |
1085 | mode->hdisplay, | |
1086 | mode->vdisplay)) | |
1087 | return false; | |
1088 | ||
1089 | if (!intel_sdvo_get_preferred_input_timing(intel_sdvo, | |
1090 | &input_dtd)) | |
1091 | return false; | |
1092 | ||
1093 | intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd); | |
1094 | intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags; | |
1095 | ||
1096 | return true; | |
1097 | } | |
1098 | ||
1099 | static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config) | |
1100 | { | |
1101 | unsigned dotclock = pipe_config->port_clock; | |
1102 | struct dpll *clock = &pipe_config->dpll; | |
1103 | ||
1104 | /* SDVO TV has fixed PLL values depend on its clock range, | |
1105 | this mirrors vbios setting. */ | |
1106 | if (dotclock >= 100000 && dotclock < 140500) { | |
1107 | clock->p1 = 2; | |
1108 | clock->p2 = 10; | |
1109 | clock->n = 3; | |
1110 | clock->m1 = 16; | |
1111 | clock->m2 = 8; | |
1112 | } else if (dotclock >= 140500 && dotclock <= 200000) { | |
1113 | clock->p1 = 1; | |
1114 | clock->p2 = 10; | |
1115 | clock->n = 6; | |
1116 | clock->m1 = 12; | |
1117 | clock->m2 = 8; | |
1118 | } else { | |
1119 | WARN(1, "SDVO TV clock out of range: %i\n", dotclock); | |
1120 | } | |
1121 | ||
1122 | pipe_config->clock_set = true; | |
1123 | } | |
1124 | ||
1125 | static bool intel_sdvo_compute_config(struct intel_encoder *encoder, | |
1126 | struct intel_crtc_state *pipe_config, | |
1127 | struct drm_connector_state *conn_state) | |
1128 | { | |
1129 | struct intel_sdvo *intel_sdvo = to_sdvo(encoder); | |
1130 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; | |
1131 | struct drm_display_mode *mode = &pipe_config->base.mode; | |
1132 | ||
1133 | DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n"); | |
1134 | pipe_config->pipe_bpp = 8*3; | |
1135 | ||
1136 | if (HAS_PCH_SPLIT(to_i915(encoder->base.dev))) | |
1137 | pipe_config->has_pch_encoder = true; | |
1138 | ||
1139 | /* We need to construct preferred input timings based on our | |
1140 | * output timings. To do that, we have to set the output | |
1141 | * timings, even though this isn't really the right place in | |
1142 | * the sequence to do it. Oh well. | |
1143 | */ | |
1144 | if (intel_sdvo->is_tv) { | |
1145 | if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode)) | |
1146 | return false; | |
1147 | ||
1148 | (void) intel_sdvo_get_preferred_input_mode(intel_sdvo, | |
1149 | mode, | |
1150 | adjusted_mode); | |
1151 | pipe_config->sdvo_tv_clock = true; | |
1152 | } else if (intel_sdvo->is_lvds) { | |
1153 | if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, | |
1154 | intel_sdvo->sdvo_lvds_fixed_mode)) | |
1155 | return false; | |
1156 | ||
1157 | (void) intel_sdvo_get_preferred_input_mode(intel_sdvo, | |
1158 | mode, | |
1159 | adjusted_mode); | |
1160 | } | |
1161 | ||
1162 | /* Make the CRTC code factor in the SDVO pixel multiplier. The | |
1163 | * SDVO device will factor out the multiplier during mode_set. | |
1164 | */ | |
1165 | pipe_config->pixel_multiplier = | |
1166 | intel_sdvo_get_pixel_multiplier(adjusted_mode); | |
1167 | ||
1168 | pipe_config->has_hdmi_sink = intel_sdvo->has_hdmi_monitor; | |
1169 | ||
1170 | if (intel_sdvo->color_range_auto) { | |
1171 | /* See CEA-861-E - 5.1 Default Encoding Parameters */ | |
1172 | /* FIXME: This bit is only valid when using TMDS encoding and 8 | |
1173 | * bit per color mode. */ | |
1174 | if (pipe_config->has_hdmi_sink && | |
1175 | drm_match_cea_mode(adjusted_mode) > 1) | |
1176 | pipe_config->limited_color_range = true; | |
1177 | } else { | |
1178 | if (pipe_config->has_hdmi_sink && | |
1179 | intel_sdvo->color_range == HDMI_COLOR_RANGE_16_235) | |
1180 | pipe_config->limited_color_range = true; | |
1181 | } | |
1182 | ||
1183 | /* Clock computation needs to happen after pixel multiplier. */ | |
1184 | if (intel_sdvo->is_tv) | |
1185 | i9xx_adjust_sdvo_tv_clock(pipe_config); | |
1186 | ||
1187 | /* Set user selected PAR to incoming mode's member */ | |
1188 | if (intel_sdvo->is_hdmi) | |
1189 | adjusted_mode->picture_aspect_ratio = intel_sdvo->aspect_ratio; | |
1190 | ||
1191 | return true; | |
1192 | } | |
1193 | ||
1194 | static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder, | |
1195 | struct intel_crtc_state *crtc_state, | |
1196 | struct drm_connector_state *conn_state) | |
1197 | { | |
1198 | struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev); | |
1199 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); | |
1200 | const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode; | |
1201 | struct drm_display_mode *mode = &crtc_state->base.mode; | |
1202 | struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder); | |
1203 | u32 sdvox; | |
1204 | struct intel_sdvo_in_out_map in_out; | |
1205 | struct intel_sdvo_dtd input_dtd, output_dtd; | |
1206 | int rate; | |
1207 | ||
1208 | /* First, set the input mapping for the first input to our controlled | |
1209 | * output. This is only correct if we're a single-input device, in | |
1210 | * which case the first input is the output from the appropriate SDVO | |
1211 | * channel on the motherboard. In a two-input device, the first input | |
1212 | * will be SDVOB and the second SDVOC. | |
1213 | */ | |
1214 | in_out.in0 = intel_sdvo->attached_output; | |
1215 | in_out.in1 = 0; | |
1216 | ||
1217 | intel_sdvo_set_value(intel_sdvo, | |
1218 | SDVO_CMD_SET_IN_OUT_MAP, | |
1219 | &in_out, sizeof(in_out)); | |
1220 | ||
1221 | /* Set the output timings to the screen */ | |
1222 | if (!intel_sdvo_set_target_output(intel_sdvo, | |
1223 | intel_sdvo->attached_output)) | |
1224 | return; | |
1225 | ||
1226 | /* lvds has a special fixed output timing. */ | |
1227 | if (intel_sdvo->is_lvds) | |
1228 | intel_sdvo_get_dtd_from_mode(&output_dtd, | |
1229 | intel_sdvo->sdvo_lvds_fixed_mode); | |
1230 | else | |
1231 | intel_sdvo_get_dtd_from_mode(&output_dtd, mode); | |
1232 | if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd)) | |
1233 | DRM_INFO("Setting output timings on %s failed\n", | |
1234 | SDVO_NAME(intel_sdvo)); | |
1235 | ||
1236 | /* Set the input timing to the screen. Assume always input 0. */ | |
1237 | if (!intel_sdvo_set_target_input(intel_sdvo)) | |
1238 | return; | |
1239 | ||
1240 | if (crtc_state->has_hdmi_sink) { | |
1241 | intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI); | |
1242 | intel_sdvo_set_colorimetry(intel_sdvo, | |
1243 | SDVO_COLORIMETRY_RGB256); | |
1244 | intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state); | |
1245 | } else | |
1246 | intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI); | |
1247 | ||
1248 | if (intel_sdvo->is_tv && | |
1249 | !intel_sdvo_set_tv_format(intel_sdvo)) | |
1250 | return; | |
1251 | ||
1252 | intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode); | |
1253 | ||
1254 | if (intel_sdvo->is_tv || intel_sdvo->is_lvds) | |
1255 | input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags; | |
1256 | if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd)) | |
1257 | DRM_INFO("Setting input timings on %s failed\n", | |
1258 | SDVO_NAME(intel_sdvo)); | |
1259 | ||
1260 | switch (crtc_state->pixel_multiplier) { | |
1261 | default: | |
1262 | WARN(1, "unknown pixel multiplier specified\n"); | |
1263 | case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break; | |
1264 | case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break; | |
1265 | case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break; | |
1266 | } | |
1267 | if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate)) | |
1268 | return; | |
1269 | ||
1270 | /* Set the SDVO control regs. */ | |
1271 | if (INTEL_GEN(dev_priv) >= 4) { | |
1272 | /* The real mode polarity is set by the SDVO commands, using | |
1273 | * struct intel_sdvo_dtd. */ | |
1274 | sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH; | |
1275 | if (!HAS_PCH_SPLIT(dev_priv) && crtc_state->limited_color_range) | |
1276 | sdvox |= HDMI_COLOR_RANGE_16_235; | |
1277 | if (INTEL_GEN(dev_priv) < 5) | |
1278 | sdvox |= SDVO_BORDER_ENABLE; | |
1279 | } else { | |
1280 | sdvox = I915_READ(intel_sdvo->sdvo_reg); | |
1281 | if (intel_sdvo->port == PORT_B) | |
1282 | sdvox &= SDVOB_PRESERVE_MASK; | |
1283 | else | |
1284 | sdvox &= SDVOC_PRESERVE_MASK; | |
1285 | sdvox |= (9 << 19) | SDVO_BORDER_ENABLE; | |
1286 | } | |
1287 | ||
1288 | if (INTEL_PCH_TYPE(dev_priv) >= PCH_CPT) | |
1289 | sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe); | |
1290 | else | |
1291 | sdvox |= SDVO_PIPE_SEL(crtc->pipe); | |
1292 | ||
1293 | if (intel_sdvo->has_hdmi_audio) | |
1294 | sdvox |= SDVO_AUDIO_ENABLE; | |
1295 | ||
1296 | if (INTEL_GEN(dev_priv) >= 4) { | |
1297 | /* done in crtc_mode_set as the dpll_md reg must be written early */ | |
1298 | } else if (IS_I945G(dev_priv) || IS_I945GM(dev_priv) || | |
1299 | IS_G33(dev_priv)) { | |
1300 | /* done in crtc_mode_set as it lives inside the dpll register */ | |
1301 | } else { | |
1302 | sdvox |= (crtc_state->pixel_multiplier - 1) | |
1303 | << SDVO_PORT_MULTIPLY_SHIFT; | |
1304 | } | |
1305 | ||
1306 | if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL && | |
1307 | INTEL_GEN(dev_priv) < 5) | |
1308 | sdvox |= SDVO_STALL_SELECT; | |
1309 | intel_sdvo_write_sdvox(intel_sdvo, sdvox); | |
1310 | } | |
1311 | ||
1312 | static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector) | |
1313 | { | |
1314 | struct intel_sdvo_connector *intel_sdvo_connector = | |
1315 | to_intel_sdvo_connector(&connector->base); | |
1316 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base); | |
1317 | u16 active_outputs = 0; | |
1318 | ||
1319 | intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); | |
1320 | ||
1321 | if (active_outputs & intel_sdvo_connector->output_flag) | |
1322 | return true; | |
1323 | else | |
1324 | return false; | |
1325 | } | |
1326 | ||
1327 | static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder, | |
1328 | enum pipe *pipe) | |
1329 | { | |
1330 | struct drm_device *dev = encoder->base.dev; | |
1331 | struct drm_i915_private *dev_priv = to_i915(dev); | |
1332 | struct intel_sdvo *intel_sdvo = to_sdvo(encoder); | |
1333 | u16 active_outputs = 0; | |
1334 | u32 tmp; | |
1335 | ||
1336 | tmp = I915_READ(intel_sdvo->sdvo_reg); | |
1337 | intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs); | |
1338 | ||
1339 | if (!(tmp & SDVO_ENABLE) && (active_outputs == 0)) | |
1340 | return false; | |
1341 | ||
1342 | if (HAS_PCH_CPT(dev_priv)) | |
1343 | *pipe = PORT_TO_PIPE_CPT(tmp); | |
1344 | else | |
1345 | *pipe = PORT_TO_PIPE(tmp); | |
1346 | ||
1347 | return true; | |
1348 | } | |
1349 | ||
1350 | static void intel_sdvo_get_config(struct intel_encoder *encoder, | |
1351 | struct intel_crtc_state *pipe_config) | |
1352 | { | |
1353 | struct drm_device *dev = encoder->base.dev; | |
1354 | struct drm_i915_private *dev_priv = to_i915(dev); | |
1355 | struct intel_sdvo *intel_sdvo = to_sdvo(encoder); | |
1356 | struct intel_sdvo_dtd dtd; | |
1357 | int encoder_pixel_multiplier = 0; | |
1358 | int dotclock; | |
1359 | u32 flags = 0, sdvox; | |
1360 | u8 val; | |
1361 | bool ret; | |
1362 | ||
1363 | sdvox = I915_READ(intel_sdvo->sdvo_reg); | |
1364 | ||
1365 | ret = intel_sdvo_get_input_timing(intel_sdvo, &dtd); | |
1366 | if (!ret) { | |
1367 | /* Some sdvo encoders are not spec compliant and don't | |
1368 | * implement the mandatory get_timings function. */ | |
1369 | DRM_DEBUG_DRIVER("failed to retrieve SDVO DTD\n"); | |
1370 | pipe_config->quirks |= PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS; | |
1371 | } else { | |
1372 | if (dtd.part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE) | |
1373 | flags |= DRM_MODE_FLAG_PHSYNC; | |
1374 | else | |
1375 | flags |= DRM_MODE_FLAG_NHSYNC; | |
1376 | ||
1377 | if (dtd.part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE) | |
1378 | flags |= DRM_MODE_FLAG_PVSYNC; | |
1379 | else | |
1380 | flags |= DRM_MODE_FLAG_NVSYNC; | |
1381 | } | |
1382 | ||
1383 | pipe_config->base.adjusted_mode.flags |= flags; | |
1384 | ||
1385 | /* | |
1386 | * pixel multiplier readout is tricky: Only on i915g/gm it is stored in | |
1387 | * the sdvo port register, on all other platforms it is part of the dpll | |
1388 | * state. Since the general pipe state readout happens before the | |
1389 | * encoder->get_config we so already have a valid pixel multplier on all | |
1390 | * other platfroms. | |
1391 | */ | |
1392 | if (IS_I915G(dev_priv) || IS_I915GM(dev_priv)) { | |
1393 | pipe_config->pixel_multiplier = | |
1394 | ((sdvox & SDVO_PORT_MULTIPLY_MASK) | |
1395 | >> SDVO_PORT_MULTIPLY_SHIFT) + 1; | |
1396 | } | |
1397 | ||
1398 | dotclock = pipe_config->port_clock; | |
1399 | ||
1400 | if (pipe_config->pixel_multiplier) | |
1401 | dotclock /= pipe_config->pixel_multiplier; | |
1402 | ||
1403 | pipe_config->base.adjusted_mode.crtc_clock = dotclock; | |
1404 | ||
1405 | /* Cross check the port pixel multiplier with the sdvo encoder state. */ | |
1406 | if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_CLOCK_RATE_MULT, | |
1407 | &val, 1)) { | |
1408 | switch (val) { | |
1409 | case SDVO_CLOCK_RATE_MULT_1X: | |
1410 | encoder_pixel_multiplier = 1; | |
1411 | break; | |
1412 | case SDVO_CLOCK_RATE_MULT_2X: | |
1413 | encoder_pixel_multiplier = 2; | |
1414 | break; | |
1415 | case SDVO_CLOCK_RATE_MULT_4X: | |
1416 | encoder_pixel_multiplier = 4; | |
1417 | break; | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | if (sdvox & HDMI_COLOR_RANGE_16_235) | |
1422 | pipe_config->limited_color_range = true; | |
1423 | ||
1424 | if (intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, | |
1425 | &val, 1)) { | |
1426 | if (val == SDVO_ENCODE_HDMI) | |
1427 | pipe_config->has_hdmi_sink = true; | |
1428 | } | |
1429 | ||
1430 | WARN(encoder_pixel_multiplier != pipe_config->pixel_multiplier, | |
1431 | "SDVO pixel multiplier mismatch, port: %i, encoder: %i\n", | |
1432 | pipe_config->pixel_multiplier, encoder_pixel_multiplier); | |
1433 | } | |
1434 | ||
1435 | static void intel_disable_sdvo(struct intel_encoder *encoder, | |
1436 | struct intel_crtc_state *old_crtc_state, | |
1437 | struct drm_connector_state *conn_state) | |
1438 | { | |
1439 | struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); | |
1440 | struct intel_sdvo *intel_sdvo = to_sdvo(encoder); | |
1441 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); | |
1442 | u32 temp; | |
1443 | ||
1444 | intel_sdvo_set_active_outputs(intel_sdvo, 0); | |
1445 | if (0) | |
1446 | intel_sdvo_set_encoder_power_state(intel_sdvo, | |
1447 | DRM_MODE_DPMS_OFF); | |
1448 | ||
1449 | temp = I915_READ(intel_sdvo->sdvo_reg); | |
1450 | ||
1451 | temp &= ~SDVO_ENABLE; | |
1452 | intel_sdvo_write_sdvox(intel_sdvo, temp); | |
1453 | ||
1454 | /* | |
1455 | * HW workaround for IBX, we need to move the port | |
1456 | * to transcoder A after disabling it to allow the | |
1457 | * matching DP port to be enabled on transcoder A. | |
1458 | */ | |
1459 | if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) { | |
1460 | /* | |
1461 | * We get CPU/PCH FIFO underruns on the other pipe when | |
1462 | * doing the workaround. Sweep them under the rug. | |
1463 | */ | |
1464 | intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false); | |
1465 | intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false); | |
1466 | ||
1467 | temp &= ~SDVO_PIPE_B_SELECT; | |
1468 | temp |= SDVO_ENABLE; | |
1469 | intel_sdvo_write_sdvox(intel_sdvo, temp); | |
1470 | ||
1471 | temp &= ~SDVO_ENABLE; | |
1472 | intel_sdvo_write_sdvox(intel_sdvo, temp); | |
1473 | ||
1474 | intel_wait_for_vblank_if_active(dev_priv, PIPE_A); | |
1475 | intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true); | |
1476 | intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true); | |
1477 | } | |
1478 | } | |
1479 | ||
1480 | static void pch_disable_sdvo(struct intel_encoder *encoder, | |
1481 | struct intel_crtc_state *old_crtc_state, | |
1482 | struct drm_connector_state *old_conn_state) | |
1483 | { | |
1484 | } | |
1485 | ||
1486 | static void pch_post_disable_sdvo(struct intel_encoder *encoder, | |
1487 | struct intel_crtc_state *old_crtc_state, | |
1488 | struct drm_connector_state *old_conn_state) | |
1489 | { | |
1490 | intel_disable_sdvo(encoder, old_crtc_state, old_conn_state); | |
1491 | } | |
1492 | ||
1493 | static void intel_enable_sdvo(struct intel_encoder *encoder, | |
1494 | struct intel_crtc_state *pipe_config, | |
1495 | struct drm_connector_state *conn_state) | |
1496 | { | |
1497 | struct drm_device *dev = encoder->base.dev; | |
1498 | struct drm_i915_private *dev_priv = to_i915(dev); | |
1499 | struct intel_sdvo *intel_sdvo = to_sdvo(encoder); | |
1500 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); | |
1501 | u32 temp; | |
1502 | bool input1, input2; | |
1503 | int i; | |
1504 | bool success; | |
1505 | ||
1506 | temp = I915_READ(intel_sdvo->sdvo_reg); | |
1507 | temp |= SDVO_ENABLE; | |
1508 | intel_sdvo_write_sdvox(intel_sdvo, temp); | |
1509 | ||
1510 | for (i = 0; i < 2; i++) | |
1511 | intel_wait_for_vblank(dev_priv, intel_crtc->pipe); | |
1512 | ||
1513 | success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2); | |
1514 | /* Warn if the device reported failure to sync. | |
1515 | * A lot of SDVO devices fail to notify of sync, but it's | |
1516 | * a given it the status is a success, we succeeded. | |
1517 | */ | |
1518 | if (success && !input1) { | |
1519 | DRM_DEBUG_KMS("First %s output reported failure to " | |
1520 | "sync\n", SDVO_NAME(intel_sdvo)); | |
1521 | } | |
1522 | ||
1523 | if (0) | |
1524 | intel_sdvo_set_encoder_power_state(intel_sdvo, | |
1525 | DRM_MODE_DPMS_ON); | |
1526 | intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output); | |
1527 | } | |
1528 | ||
1529 | static enum drm_mode_status | |
1530 | intel_sdvo_mode_valid(struct drm_connector *connector, | |
1531 | struct drm_display_mode *mode) | |
1532 | { | |
1533 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
1534 | int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; | |
1535 | ||
1536 | if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | |
1537 | return MODE_NO_DBLESCAN; | |
1538 | ||
1539 | if (intel_sdvo->pixel_clock_min > mode->clock) | |
1540 | return MODE_CLOCK_LOW; | |
1541 | ||
1542 | if (intel_sdvo->pixel_clock_max < mode->clock) | |
1543 | return MODE_CLOCK_HIGH; | |
1544 | ||
1545 | if (mode->clock > max_dotclk) | |
1546 | return MODE_CLOCK_HIGH; | |
1547 | ||
1548 | if (intel_sdvo->is_lvds) { | |
1549 | if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay) | |
1550 | return MODE_PANEL; | |
1551 | ||
1552 | if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay) | |
1553 | return MODE_PANEL; | |
1554 | } | |
1555 | ||
1556 | return MODE_OK; | |
1557 | } | |
1558 | ||
1559 | static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps) | |
1560 | { | |
1561 | BUILD_BUG_ON(sizeof(*caps) != 8); | |
1562 | if (!intel_sdvo_get_value(intel_sdvo, | |
1563 | SDVO_CMD_GET_DEVICE_CAPS, | |
1564 | caps, sizeof(*caps))) | |
1565 | return false; | |
1566 | ||
1567 | DRM_DEBUG_KMS("SDVO capabilities:\n" | |
1568 | " vendor_id: %d\n" | |
1569 | " device_id: %d\n" | |
1570 | " device_rev_id: %d\n" | |
1571 | " sdvo_version_major: %d\n" | |
1572 | " sdvo_version_minor: %d\n" | |
1573 | " sdvo_inputs_mask: %d\n" | |
1574 | " smooth_scaling: %d\n" | |
1575 | " sharp_scaling: %d\n" | |
1576 | " up_scaling: %d\n" | |
1577 | " down_scaling: %d\n" | |
1578 | " stall_support: %d\n" | |
1579 | " output_flags: %d\n", | |
1580 | caps->vendor_id, | |
1581 | caps->device_id, | |
1582 | caps->device_rev_id, | |
1583 | caps->sdvo_version_major, | |
1584 | caps->sdvo_version_minor, | |
1585 | caps->sdvo_inputs_mask, | |
1586 | caps->smooth_scaling, | |
1587 | caps->sharp_scaling, | |
1588 | caps->up_scaling, | |
1589 | caps->down_scaling, | |
1590 | caps->stall_support, | |
1591 | caps->output_flags); | |
1592 | ||
1593 | return true; | |
1594 | } | |
1595 | ||
1596 | static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo) | |
1597 | { | |
1598 | struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev); | |
1599 | uint16_t hotplug; | |
1600 | ||
1601 | if (!I915_HAS_HOTPLUG(dev_priv)) | |
1602 | return 0; | |
1603 | ||
1604 | /* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise | |
1605 | * on the line. */ | |
1606 | if (IS_I945G(dev_priv) || IS_I945GM(dev_priv)) | |
1607 | return 0; | |
1608 | ||
1609 | if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, | |
1610 | &hotplug, sizeof(hotplug))) | |
1611 | return 0; | |
1612 | ||
1613 | return hotplug; | |
1614 | } | |
1615 | ||
1616 | static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder) | |
1617 | { | |
1618 | struct intel_sdvo *intel_sdvo = to_sdvo(encoder); | |
1619 | ||
1620 | intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, | |
1621 | &intel_sdvo->hotplug_active, 2); | |
1622 | } | |
1623 | ||
1624 | static bool | |
1625 | intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo) | |
1626 | { | |
1627 | /* Is there more than one type of output? */ | |
1628 | return hweight16(intel_sdvo->caps.output_flags) > 1; | |
1629 | } | |
1630 | ||
1631 | static struct edid * | |
1632 | intel_sdvo_get_edid(struct drm_connector *connector) | |
1633 | { | |
1634 | struct intel_sdvo *sdvo = intel_attached_sdvo(connector); | |
1635 | return drm_get_edid(connector, &sdvo->ddc); | |
1636 | } | |
1637 | ||
1638 | /* Mac mini hack -- use the same DDC as the analog connector */ | |
1639 | static struct edid * | |
1640 | intel_sdvo_get_analog_edid(struct drm_connector *connector) | |
1641 | { | |
1642 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
1643 | ||
1644 | return drm_get_edid(connector, | |
1645 | intel_gmbus_get_adapter(dev_priv, | |
1646 | dev_priv->vbt.crt_ddc_pin)); | |
1647 | } | |
1648 | ||
1649 | static enum drm_connector_status | |
1650 | intel_sdvo_tmds_sink_detect(struct drm_connector *connector) | |
1651 | { | |
1652 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
1653 | enum drm_connector_status status; | |
1654 | struct edid *edid; | |
1655 | ||
1656 | edid = intel_sdvo_get_edid(connector); | |
1657 | ||
1658 | if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) { | |
1659 | u8 ddc, saved_ddc = intel_sdvo->ddc_bus; | |
1660 | ||
1661 | /* | |
1662 | * Don't use the 1 as the argument of DDC bus switch to get | |
1663 | * the EDID. It is used for SDVO SPD ROM. | |
1664 | */ | |
1665 | for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) { | |
1666 | intel_sdvo->ddc_bus = ddc; | |
1667 | edid = intel_sdvo_get_edid(connector); | |
1668 | if (edid) | |
1669 | break; | |
1670 | } | |
1671 | /* | |
1672 | * If we found the EDID on the other bus, | |
1673 | * assume that is the correct DDC bus. | |
1674 | */ | |
1675 | if (edid == NULL) | |
1676 | intel_sdvo->ddc_bus = saved_ddc; | |
1677 | } | |
1678 | ||
1679 | /* | |
1680 | * When there is no edid and no monitor is connected with VGA | |
1681 | * port, try to use the CRT ddc to read the EDID for DVI-connector. | |
1682 | */ | |
1683 | if (edid == NULL) | |
1684 | edid = intel_sdvo_get_analog_edid(connector); | |
1685 | ||
1686 | status = connector_status_unknown; | |
1687 | if (edid != NULL) { | |
1688 | /* DDC bus is shared, match EDID to connector type */ | |
1689 | if (edid->input & DRM_EDID_INPUT_DIGITAL) { | |
1690 | status = connector_status_connected; | |
1691 | if (intel_sdvo->is_hdmi) { | |
1692 | intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid); | |
1693 | intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid); | |
1694 | intel_sdvo->rgb_quant_range_selectable = | |
1695 | drm_rgb_quant_range_selectable(edid); | |
1696 | } | |
1697 | } else | |
1698 | status = connector_status_disconnected; | |
1699 | kfree(edid); | |
1700 | } | |
1701 | ||
1702 | if (status == connector_status_connected) { | |
1703 | struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); | |
1704 | if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO) | |
1705 | intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON); | |
1706 | } | |
1707 | ||
1708 | return status; | |
1709 | } | |
1710 | ||
1711 | static bool | |
1712 | intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo, | |
1713 | struct edid *edid) | |
1714 | { | |
1715 | bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL); | |
1716 | bool connector_is_digital = !!IS_DIGITAL(sdvo); | |
1717 | ||
1718 | DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n", | |
1719 | connector_is_digital, monitor_is_digital); | |
1720 | return connector_is_digital == monitor_is_digital; | |
1721 | } | |
1722 | ||
1723 | static enum drm_connector_status | |
1724 | intel_sdvo_detect(struct drm_connector *connector, bool force) | |
1725 | { | |
1726 | uint16_t response; | |
1727 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
1728 | struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); | |
1729 | enum drm_connector_status ret; | |
1730 | ||
1731 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
1732 | connector->base.id, connector->name); | |
1733 | ||
1734 | if (!intel_sdvo_get_value(intel_sdvo, | |
1735 | SDVO_CMD_GET_ATTACHED_DISPLAYS, | |
1736 | &response, 2)) | |
1737 | return connector_status_unknown; | |
1738 | ||
1739 | DRM_DEBUG_KMS("SDVO response %d %d [%x]\n", | |
1740 | response & 0xff, response >> 8, | |
1741 | intel_sdvo_connector->output_flag); | |
1742 | ||
1743 | if (response == 0) | |
1744 | return connector_status_disconnected; | |
1745 | ||
1746 | intel_sdvo->attached_output = response; | |
1747 | ||
1748 | intel_sdvo->has_hdmi_monitor = false; | |
1749 | intel_sdvo->has_hdmi_audio = false; | |
1750 | intel_sdvo->rgb_quant_range_selectable = false; | |
1751 | ||
1752 | if ((intel_sdvo_connector->output_flag & response) == 0) | |
1753 | ret = connector_status_disconnected; | |
1754 | else if (IS_TMDS(intel_sdvo_connector)) | |
1755 | ret = intel_sdvo_tmds_sink_detect(connector); | |
1756 | else { | |
1757 | struct edid *edid; | |
1758 | ||
1759 | /* if we have an edid check it matches the connection */ | |
1760 | edid = intel_sdvo_get_edid(connector); | |
1761 | if (edid == NULL) | |
1762 | edid = intel_sdvo_get_analog_edid(connector); | |
1763 | if (edid != NULL) { | |
1764 | if (intel_sdvo_connector_matches_edid(intel_sdvo_connector, | |
1765 | edid)) | |
1766 | ret = connector_status_connected; | |
1767 | else | |
1768 | ret = connector_status_disconnected; | |
1769 | ||
1770 | kfree(edid); | |
1771 | } else | |
1772 | ret = connector_status_connected; | |
1773 | } | |
1774 | ||
1775 | /* May update encoder flag for like clock for SDVO TV, etc.*/ | |
1776 | if (ret == connector_status_connected) { | |
1777 | intel_sdvo->is_tv = false; | |
1778 | intel_sdvo->is_lvds = false; | |
1779 | ||
1780 | if (response & SDVO_TV_MASK) | |
1781 | intel_sdvo->is_tv = true; | |
1782 | if (response & SDVO_LVDS_MASK) | |
1783 | intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL; | |
1784 | } | |
1785 | ||
1786 | return ret; | |
1787 | } | |
1788 | ||
1789 | static void intel_sdvo_get_ddc_modes(struct drm_connector *connector) | |
1790 | { | |
1791 | struct edid *edid; | |
1792 | ||
1793 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
1794 | connector->base.id, connector->name); | |
1795 | ||
1796 | /* set the bus switch and get the modes */ | |
1797 | edid = intel_sdvo_get_edid(connector); | |
1798 | ||
1799 | /* | |
1800 | * Mac mini hack. On this device, the DVI-I connector shares one DDC | |
1801 | * link between analog and digital outputs. So, if the regular SDVO | |
1802 | * DDC fails, check to see if the analog output is disconnected, in | |
1803 | * which case we'll look there for the digital DDC data. | |
1804 | */ | |
1805 | if (edid == NULL) | |
1806 | edid = intel_sdvo_get_analog_edid(connector); | |
1807 | ||
1808 | if (edid != NULL) { | |
1809 | if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector), | |
1810 | edid)) { | |
1811 | drm_mode_connector_update_edid_property(connector, edid); | |
1812 | drm_add_edid_modes(connector, edid); | |
1813 | } | |
1814 | ||
1815 | kfree(edid); | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | /* | |
1820 | * Set of SDVO TV modes. | |
1821 | * Note! This is in reply order (see loop in get_tv_modes). | |
1822 | * XXX: all 60Hz refresh? | |
1823 | */ | |
1824 | static const struct drm_display_mode sdvo_tv_modes[] = { | |
1825 | { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384, | |
1826 | 416, 0, 200, 201, 232, 233, 0, | |
1827 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1828 | { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384, | |
1829 | 416, 0, 240, 241, 272, 273, 0, | |
1830 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1831 | { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464, | |
1832 | 496, 0, 300, 301, 332, 333, 0, | |
1833 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1834 | { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704, | |
1835 | 736, 0, 350, 351, 382, 383, 0, | |
1836 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1837 | { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704, | |
1838 | 736, 0, 400, 401, 432, 433, 0, | |
1839 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1840 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704, | |
1841 | 736, 0, 480, 481, 512, 513, 0, | |
1842 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1843 | { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768, | |
1844 | 800, 0, 480, 481, 512, 513, 0, | |
1845 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1846 | { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768, | |
1847 | 800, 0, 576, 577, 608, 609, 0, | |
1848 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1849 | { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784, | |
1850 | 816, 0, 350, 351, 382, 383, 0, | |
1851 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1852 | { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784, | |
1853 | 816, 0, 400, 401, 432, 433, 0, | |
1854 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1855 | { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784, | |
1856 | 816, 0, 480, 481, 512, 513, 0, | |
1857 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1858 | { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784, | |
1859 | 816, 0, 540, 541, 572, 573, 0, | |
1860 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1861 | { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784, | |
1862 | 816, 0, 576, 577, 608, 609, 0, | |
1863 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1864 | { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832, | |
1865 | 864, 0, 576, 577, 608, 609, 0, | |
1866 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1867 | { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864, | |
1868 | 896, 0, 600, 601, 632, 633, 0, | |
1869 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1870 | { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896, | |
1871 | 928, 0, 624, 625, 656, 657, 0, | |
1872 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1873 | { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984, | |
1874 | 1016, 0, 766, 767, 798, 799, 0, | |
1875 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1876 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088, | |
1877 | 1120, 0, 768, 769, 800, 801, 0, | |
1878 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1879 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344, | |
1880 | 1376, 0, 1024, 1025, 1056, 1057, 0, | |
1881 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | |
1882 | }; | |
1883 | ||
1884 | static void intel_sdvo_get_tv_modes(struct drm_connector *connector) | |
1885 | { | |
1886 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
1887 | struct intel_sdvo_sdtv_resolution_request tv_res; | |
1888 | uint32_t reply = 0, format_map = 0; | |
1889 | int i; | |
1890 | ||
1891 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
1892 | connector->base.id, connector->name); | |
1893 | ||
1894 | /* Read the list of supported input resolutions for the selected TV | |
1895 | * format. | |
1896 | */ | |
1897 | format_map = 1 << intel_sdvo->tv_format_index; | |
1898 | memcpy(&tv_res, &format_map, | |
1899 | min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request))); | |
1900 | ||
1901 | if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output)) | |
1902 | return; | |
1903 | ||
1904 | BUILD_BUG_ON(sizeof(tv_res) != 3); | |
1905 | if (!intel_sdvo_write_cmd(intel_sdvo, | |
1906 | SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT, | |
1907 | &tv_res, sizeof(tv_res))) | |
1908 | return; | |
1909 | if (!intel_sdvo_read_response(intel_sdvo, &reply, 3)) | |
1910 | return; | |
1911 | ||
1912 | for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++) | |
1913 | if (reply & (1 << i)) { | |
1914 | struct drm_display_mode *nmode; | |
1915 | nmode = drm_mode_duplicate(connector->dev, | |
1916 | &sdvo_tv_modes[i]); | |
1917 | if (nmode) | |
1918 | drm_mode_probed_add(connector, nmode); | |
1919 | } | |
1920 | } | |
1921 | ||
1922 | static void intel_sdvo_get_lvds_modes(struct drm_connector *connector) | |
1923 | { | |
1924 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
1925 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
1926 | struct drm_display_mode *newmode; | |
1927 | ||
1928 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
1929 | connector->base.id, connector->name); | |
1930 | ||
1931 | /* | |
1932 | * Fetch modes from VBT. For SDVO prefer the VBT mode since some | |
1933 | * SDVO->LVDS transcoders can't cope with the EDID mode. | |
1934 | */ | |
1935 | if (dev_priv->vbt.sdvo_lvds_vbt_mode != NULL) { | |
1936 | newmode = drm_mode_duplicate(connector->dev, | |
1937 | dev_priv->vbt.sdvo_lvds_vbt_mode); | |
1938 | if (newmode != NULL) { | |
1939 | /* Guarantee the mode is preferred */ | |
1940 | newmode->type = (DRM_MODE_TYPE_PREFERRED | | |
1941 | DRM_MODE_TYPE_DRIVER); | |
1942 | drm_mode_probed_add(connector, newmode); | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | /* | |
1947 | * Attempt to get the mode list from DDC. | |
1948 | * Assume that the preferred modes are | |
1949 | * arranged in priority order. | |
1950 | */ | |
1951 | intel_ddc_get_modes(connector, &intel_sdvo->ddc); | |
1952 | ||
1953 | list_for_each_entry(newmode, &connector->probed_modes, head) { | |
1954 | if (newmode->type & DRM_MODE_TYPE_PREFERRED) { | |
1955 | intel_sdvo->sdvo_lvds_fixed_mode = | |
1956 | drm_mode_duplicate(connector->dev, newmode); | |
1957 | ||
1958 | intel_sdvo->is_lvds = true; | |
1959 | break; | |
1960 | } | |
1961 | } | |
1962 | } | |
1963 | ||
1964 | static int intel_sdvo_get_modes(struct drm_connector *connector) | |
1965 | { | |
1966 | struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); | |
1967 | ||
1968 | if (IS_TV(intel_sdvo_connector)) | |
1969 | intel_sdvo_get_tv_modes(connector); | |
1970 | else if (IS_LVDS(intel_sdvo_connector)) | |
1971 | intel_sdvo_get_lvds_modes(connector); | |
1972 | else | |
1973 | intel_sdvo_get_ddc_modes(connector); | |
1974 | ||
1975 | return !list_empty(&connector->probed_modes); | |
1976 | } | |
1977 | ||
1978 | static void intel_sdvo_destroy(struct drm_connector *connector) | |
1979 | { | |
1980 | struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); | |
1981 | ||
1982 | drm_connector_cleanup(connector); | |
1983 | kfree(intel_sdvo_connector); | |
1984 | } | |
1985 | ||
1986 | static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector) | |
1987 | { | |
1988 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
1989 | struct edid *edid; | |
1990 | bool has_audio = false; | |
1991 | ||
1992 | if (!intel_sdvo->is_hdmi) | |
1993 | return false; | |
1994 | ||
1995 | edid = intel_sdvo_get_edid(connector); | |
1996 | if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL) | |
1997 | has_audio = drm_detect_monitor_audio(edid); | |
1998 | kfree(edid); | |
1999 | ||
2000 | return has_audio; | |
2001 | } | |
2002 | ||
2003 | static int | |
2004 | intel_sdvo_set_property(struct drm_connector *connector, | |
2005 | struct drm_property *property, | |
2006 | uint64_t val) | |
2007 | { | |
2008 | struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); | |
2009 | struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); | |
2010 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
2011 | uint16_t temp_value; | |
2012 | uint8_t cmd; | |
2013 | int ret; | |
2014 | ||
2015 | ret = drm_object_property_set_value(&connector->base, property, val); | |
2016 | if (ret) | |
2017 | return ret; | |
2018 | ||
2019 | if (property == dev_priv->force_audio_property) { | |
2020 | int i = val; | |
2021 | bool has_audio; | |
2022 | ||
2023 | if (i == intel_sdvo_connector->force_audio) | |
2024 | return 0; | |
2025 | ||
2026 | intel_sdvo_connector->force_audio = i; | |
2027 | ||
2028 | if (i == HDMI_AUDIO_AUTO) | |
2029 | has_audio = intel_sdvo_detect_hdmi_audio(connector); | |
2030 | else | |
2031 | has_audio = (i == HDMI_AUDIO_ON); | |
2032 | ||
2033 | if (has_audio == intel_sdvo->has_hdmi_audio) | |
2034 | return 0; | |
2035 | ||
2036 | intel_sdvo->has_hdmi_audio = has_audio; | |
2037 | goto done; | |
2038 | } | |
2039 | ||
2040 | if (property == dev_priv->broadcast_rgb_property) { | |
2041 | bool old_auto = intel_sdvo->color_range_auto; | |
2042 | uint32_t old_range = intel_sdvo->color_range; | |
2043 | ||
2044 | switch (val) { | |
2045 | case INTEL_BROADCAST_RGB_AUTO: | |
2046 | intel_sdvo->color_range_auto = true; | |
2047 | break; | |
2048 | case INTEL_BROADCAST_RGB_FULL: | |
2049 | intel_sdvo->color_range_auto = false; | |
2050 | intel_sdvo->color_range = 0; | |
2051 | break; | |
2052 | case INTEL_BROADCAST_RGB_LIMITED: | |
2053 | intel_sdvo->color_range_auto = false; | |
2054 | /* FIXME: this bit is only valid when using TMDS | |
2055 | * encoding and 8 bit per color mode. */ | |
2056 | intel_sdvo->color_range = HDMI_COLOR_RANGE_16_235; | |
2057 | break; | |
2058 | default: | |
2059 | return -EINVAL; | |
2060 | } | |
2061 | ||
2062 | if (old_auto == intel_sdvo->color_range_auto && | |
2063 | old_range == intel_sdvo->color_range) | |
2064 | return 0; | |
2065 | ||
2066 | goto done; | |
2067 | } | |
2068 | ||
2069 | if (property == connector->dev->mode_config.aspect_ratio_property) { | |
2070 | switch (val) { | |
2071 | case DRM_MODE_PICTURE_ASPECT_NONE: | |
2072 | intel_sdvo->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; | |
2073 | break; | |
2074 | case DRM_MODE_PICTURE_ASPECT_4_3: | |
2075 | intel_sdvo->aspect_ratio = HDMI_PICTURE_ASPECT_4_3; | |
2076 | break; | |
2077 | case DRM_MODE_PICTURE_ASPECT_16_9: | |
2078 | intel_sdvo->aspect_ratio = HDMI_PICTURE_ASPECT_16_9; | |
2079 | break; | |
2080 | default: | |
2081 | return -EINVAL; | |
2082 | } | |
2083 | goto done; | |
2084 | } | |
2085 | ||
2086 | #define CHECK_PROPERTY(name, NAME) \ | |
2087 | if (intel_sdvo_connector->name == property) { \ | |
2088 | if (intel_sdvo_connector->cur_##name == temp_value) return 0; \ | |
2089 | if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \ | |
2090 | cmd = SDVO_CMD_SET_##NAME; \ | |
2091 | intel_sdvo_connector->cur_##name = temp_value; \ | |
2092 | goto set_value; \ | |
2093 | } | |
2094 | ||
2095 | if (property == intel_sdvo_connector->tv_format) { | |
2096 | if (val >= TV_FORMAT_NUM) | |
2097 | return -EINVAL; | |
2098 | ||
2099 | if (intel_sdvo->tv_format_index == | |
2100 | intel_sdvo_connector->tv_format_supported[val]) | |
2101 | return 0; | |
2102 | ||
2103 | intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val]; | |
2104 | goto done; | |
2105 | } else if (IS_TV_OR_LVDS(intel_sdvo_connector)) { | |
2106 | temp_value = val; | |
2107 | if (intel_sdvo_connector->left == property) { | |
2108 | drm_object_property_set_value(&connector->base, | |
2109 | intel_sdvo_connector->right, val); | |
2110 | if (intel_sdvo_connector->left_margin == temp_value) | |
2111 | return 0; | |
2112 | ||
2113 | intel_sdvo_connector->left_margin = temp_value; | |
2114 | intel_sdvo_connector->right_margin = temp_value; | |
2115 | temp_value = intel_sdvo_connector->max_hscan - | |
2116 | intel_sdvo_connector->left_margin; | |
2117 | cmd = SDVO_CMD_SET_OVERSCAN_H; | |
2118 | goto set_value; | |
2119 | } else if (intel_sdvo_connector->right == property) { | |
2120 | drm_object_property_set_value(&connector->base, | |
2121 | intel_sdvo_connector->left, val); | |
2122 | if (intel_sdvo_connector->right_margin == temp_value) | |
2123 | return 0; | |
2124 | ||
2125 | intel_sdvo_connector->left_margin = temp_value; | |
2126 | intel_sdvo_connector->right_margin = temp_value; | |
2127 | temp_value = intel_sdvo_connector->max_hscan - | |
2128 | intel_sdvo_connector->left_margin; | |
2129 | cmd = SDVO_CMD_SET_OVERSCAN_H; | |
2130 | goto set_value; | |
2131 | } else if (intel_sdvo_connector->top == property) { | |
2132 | drm_object_property_set_value(&connector->base, | |
2133 | intel_sdvo_connector->bottom, val); | |
2134 | if (intel_sdvo_connector->top_margin == temp_value) | |
2135 | return 0; | |
2136 | ||
2137 | intel_sdvo_connector->top_margin = temp_value; | |
2138 | intel_sdvo_connector->bottom_margin = temp_value; | |
2139 | temp_value = intel_sdvo_connector->max_vscan - | |
2140 | intel_sdvo_connector->top_margin; | |
2141 | cmd = SDVO_CMD_SET_OVERSCAN_V; | |
2142 | goto set_value; | |
2143 | } else if (intel_sdvo_connector->bottom == property) { | |
2144 | drm_object_property_set_value(&connector->base, | |
2145 | intel_sdvo_connector->top, val); | |
2146 | if (intel_sdvo_connector->bottom_margin == temp_value) | |
2147 | return 0; | |
2148 | ||
2149 | intel_sdvo_connector->top_margin = temp_value; | |
2150 | intel_sdvo_connector->bottom_margin = temp_value; | |
2151 | temp_value = intel_sdvo_connector->max_vscan - | |
2152 | intel_sdvo_connector->top_margin; | |
2153 | cmd = SDVO_CMD_SET_OVERSCAN_V; | |
2154 | goto set_value; | |
2155 | } | |
2156 | CHECK_PROPERTY(hpos, HPOS) | |
2157 | CHECK_PROPERTY(vpos, VPOS) | |
2158 | CHECK_PROPERTY(saturation, SATURATION) | |
2159 | CHECK_PROPERTY(contrast, CONTRAST) | |
2160 | CHECK_PROPERTY(hue, HUE) | |
2161 | CHECK_PROPERTY(brightness, BRIGHTNESS) | |
2162 | CHECK_PROPERTY(sharpness, SHARPNESS) | |
2163 | CHECK_PROPERTY(flicker_filter, FLICKER_FILTER) | |
2164 | CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D) | |
2165 | CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE) | |
2166 | CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER) | |
2167 | CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER) | |
2168 | CHECK_PROPERTY(dot_crawl, DOT_CRAWL) | |
2169 | } | |
2170 | ||
2171 | return -EINVAL; /* unknown property */ | |
2172 | ||
2173 | set_value: | |
2174 | if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2)) | |
2175 | return -EIO; | |
2176 | ||
2177 | ||
2178 | done: | |
2179 | if (intel_sdvo->base.base.crtc) | |
2180 | intel_crtc_restore_mode(intel_sdvo->base.base.crtc); | |
2181 | ||
2182 | return 0; | |
2183 | #undef CHECK_PROPERTY | |
2184 | } | |
2185 | ||
2186 | static int | |
2187 | intel_sdvo_connector_register(struct drm_connector *connector) | |
2188 | { | |
2189 | struct intel_sdvo *sdvo = intel_attached_sdvo(connector); | |
2190 | int ret; | |
2191 | ||
2192 | ret = intel_connector_register(connector); | |
2193 | if (ret) | |
2194 | return ret; | |
2195 | ||
2196 | return sysfs_create_link(&connector->kdev->kobj, | |
2197 | &sdvo->ddc.dev.kobj, | |
2198 | sdvo->ddc.dev.kobj.name); | |
2199 | } | |
2200 | ||
2201 | static void | |
2202 | intel_sdvo_connector_unregister(struct drm_connector *connector) | |
2203 | { | |
2204 | struct intel_sdvo *sdvo = intel_attached_sdvo(connector); | |
2205 | ||
2206 | sysfs_remove_link(&connector->kdev->kobj, | |
2207 | sdvo->ddc.dev.kobj.name); | |
2208 | intel_connector_unregister(connector); | |
2209 | } | |
2210 | ||
2211 | static const struct drm_connector_funcs intel_sdvo_connector_funcs = { | |
2212 | .dpms = drm_atomic_helper_connector_dpms, | |
2213 | .detect = intel_sdvo_detect, | |
2214 | .fill_modes = drm_helper_probe_single_connector_modes, | |
2215 | .set_property = intel_sdvo_set_property, | |
2216 | .atomic_get_property = intel_connector_atomic_get_property, | |
2217 | .late_register = intel_sdvo_connector_register, | |
2218 | .early_unregister = intel_sdvo_connector_unregister, | |
2219 | .destroy = intel_sdvo_destroy, | |
2220 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, | |
2221 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, | |
2222 | }; | |
2223 | ||
2224 | static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = { | |
2225 | .get_modes = intel_sdvo_get_modes, | |
2226 | .mode_valid = intel_sdvo_mode_valid, | |
2227 | }; | |
2228 | ||
2229 | static void intel_sdvo_enc_destroy(struct drm_encoder *encoder) | |
2230 | { | |
2231 | struct intel_sdvo *intel_sdvo = to_sdvo(to_intel_encoder(encoder)); | |
2232 | ||
2233 | if (intel_sdvo->sdvo_lvds_fixed_mode != NULL) | |
2234 | drm_mode_destroy(encoder->dev, | |
2235 | intel_sdvo->sdvo_lvds_fixed_mode); | |
2236 | ||
2237 | i2c_del_adapter(&intel_sdvo->ddc); | |
2238 | intel_encoder_destroy(encoder); | |
2239 | } | |
2240 | ||
2241 | static const struct drm_encoder_funcs intel_sdvo_enc_funcs = { | |
2242 | .destroy = intel_sdvo_enc_destroy, | |
2243 | }; | |
2244 | ||
2245 | static void | |
2246 | intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo) | |
2247 | { | |
2248 | uint16_t mask = 0; | |
2249 | unsigned int num_bits; | |
2250 | ||
2251 | /* Make a mask of outputs less than or equal to our own priority in the | |
2252 | * list. | |
2253 | */ | |
2254 | switch (sdvo->controlled_output) { | |
2255 | case SDVO_OUTPUT_LVDS1: | |
2256 | mask |= SDVO_OUTPUT_LVDS1; | |
2257 | case SDVO_OUTPUT_LVDS0: | |
2258 | mask |= SDVO_OUTPUT_LVDS0; | |
2259 | case SDVO_OUTPUT_TMDS1: | |
2260 | mask |= SDVO_OUTPUT_TMDS1; | |
2261 | case SDVO_OUTPUT_TMDS0: | |
2262 | mask |= SDVO_OUTPUT_TMDS0; | |
2263 | case SDVO_OUTPUT_RGB1: | |
2264 | mask |= SDVO_OUTPUT_RGB1; | |
2265 | case SDVO_OUTPUT_RGB0: | |
2266 | mask |= SDVO_OUTPUT_RGB0; | |
2267 | break; | |
2268 | } | |
2269 | ||
2270 | /* Count bits to find what number we are in the priority list. */ | |
2271 | mask &= sdvo->caps.output_flags; | |
2272 | num_bits = hweight16(mask); | |
2273 | /* If more than 3 outputs, default to DDC bus 3 for now. */ | |
2274 | if (num_bits > 3) | |
2275 | num_bits = 3; | |
2276 | ||
2277 | /* Corresponds to SDVO_CONTROL_BUS_DDCx */ | |
2278 | sdvo->ddc_bus = 1 << num_bits; | |
2279 | } | |
2280 | ||
2281 | /** | |
2282 | * Choose the appropriate DDC bus for control bus switch command for this | |
2283 | * SDVO output based on the controlled output. | |
2284 | * | |
2285 | * DDC bus number assignment is in a priority order of RGB outputs, then TMDS | |
2286 | * outputs, then LVDS outputs. | |
2287 | */ | |
2288 | static void | |
2289 | intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv, | |
2290 | struct intel_sdvo *sdvo) | |
2291 | { | |
2292 | struct sdvo_device_mapping *mapping; | |
2293 | ||
2294 | if (sdvo->port == PORT_B) | |
2295 | mapping = &dev_priv->vbt.sdvo_mappings[0]; | |
2296 | else | |
2297 | mapping = &dev_priv->vbt.sdvo_mappings[1]; | |
2298 | ||
2299 | if (mapping->initialized) | |
2300 | sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4); | |
2301 | else | |
2302 | intel_sdvo_guess_ddc_bus(sdvo); | |
2303 | } | |
2304 | ||
2305 | static void | |
2306 | intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv, | |
2307 | struct intel_sdvo *sdvo) | |
2308 | { | |
2309 | struct sdvo_device_mapping *mapping; | |
2310 | u8 pin; | |
2311 | ||
2312 | if (sdvo->port == PORT_B) | |
2313 | mapping = &dev_priv->vbt.sdvo_mappings[0]; | |
2314 | else | |
2315 | mapping = &dev_priv->vbt.sdvo_mappings[1]; | |
2316 | ||
2317 | if (mapping->initialized && | |
2318 | intel_gmbus_is_valid_pin(dev_priv, mapping->i2c_pin)) | |
2319 | pin = mapping->i2c_pin; | |
2320 | else | |
2321 | pin = GMBUS_PIN_DPB; | |
2322 | ||
2323 | sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin); | |
2324 | ||
2325 | /* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow | |
2326 | * our code totally fails once we start using gmbus. Hence fall back to | |
2327 | * bit banging for now. */ | |
2328 | intel_gmbus_force_bit(sdvo->i2c, true); | |
2329 | } | |
2330 | ||
2331 | /* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */ | |
2332 | static void | |
2333 | intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo) | |
2334 | { | |
2335 | intel_gmbus_force_bit(sdvo->i2c, false); | |
2336 | } | |
2337 | ||
2338 | static bool | |
2339 | intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device) | |
2340 | { | |
2341 | return intel_sdvo_check_supp_encode(intel_sdvo); | |
2342 | } | |
2343 | ||
2344 | static u8 | |
2345 | intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo) | |
2346 | { | |
2347 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2348 | struct sdvo_device_mapping *my_mapping, *other_mapping; | |
2349 | ||
2350 | if (sdvo->port == PORT_B) { | |
2351 | my_mapping = &dev_priv->vbt.sdvo_mappings[0]; | |
2352 | other_mapping = &dev_priv->vbt.sdvo_mappings[1]; | |
2353 | } else { | |
2354 | my_mapping = &dev_priv->vbt.sdvo_mappings[1]; | |
2355 | other_mapping = &dev_priv->vbt.sdvo_mappings[0]; | |
2356 | } | |
2357 | ||
2358 | /* If the BIOS described our SDVO device, take advantage of it. */ | |
2359 | if (my_mapping->slave_addr) | |
2360 | return my_mapping->slave_addr; | |
2361 | ||
2362 | /* If the BIOS only described a different SDVO device, use the | |
2363 | * address that it isn't using. | |
2364 | */ | |
2365 | if (other_mapping->slave_addr) { | |
2366 | if (other_mapping->slave_addr == 0x70) | |
2367 | return 0x72; | |
2368 | else | |
2369 | return 0x70; | |
2370 | } | |
2371 | ||
2372 | /* No SDVO device info is found for another DVO port, | |
2373 | * so use mapping assumption we had before BIOS parsing. | |
2374 | */ | |
2375 | if (sdvo->port == PORT_B) | |
2376 | return 0x70; | |
2377 | else | |
2378 | return 0x72; | |
2379 | } | |
2380 | ||
2381 | static int | |
2382 | intel_sdvo_connector_init(struct intel_sdvo_connector *connector, | |
2383 | struct intel_sdvo *encoder) | |
2384 | { | |
2385 | struct drm_connector *drm_connector; | |
2386 | int ret; | |
2387 | ||
2388 | drm_connector = &connector->base.base; | |
2389 | ret = drm_connector_init(encoder->base.base.dev, | |
2390 | drm_connector, | |
2391 | &intel_sdvo_connector_funcs, | |
2392 | connector->base.base.connector_type); | |
2393 | if (ret < 0) | |
2394 | return ret; | |
2395 | ||
2396 | drm_connector_helper_add(drm_connector, | |
2397 | &intel_sdvo_connector_helper_funcs); | |
2398 | ||
2399 | connector->base.base.interlace_allowed = 1; | |
2400 | connector->base.base.doublescan_allowed = 0; | |
2401 | connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB; | |
2402 | connector->base.get_hw_state = intel_sdvo_connector_get_hw_state; | |
2403 | ||
2404 | intel_connector_attach_encoder(&connector->base, &encoder->base); | |
2405 | ||
2406 | return 0; | |
2407 | } | |
2408 | ||
2409 | static void | |
2410 | intel_sdvo_add_hdmi_properties(struct intel_sdvo *intel_sdvo, | |
2411 | struct intel_sdvo_connector *connector) | |
2412 | { | |
2413 | struct drm_i915_private *dev_priv = to_i915(connector->base.base.dev); | |
2414 | ||
2415 | intel_attach_force_audio_property(&connector->base.base); | |
2416 | if (INTEL_GEN(dev_priv) >= 4 && IS_MOBILE(dev_priv)) { | |
2417 | intel_attach_broadcast_rgb_property(&connector->base.base); | |
2418 | intel_sdvo->color_range_auto = true; | |
2419 | } | |
2420 | intel_attach_aspect_ratio_property(&connector->base.base); | |
2421 | intel_sdvo->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; | |
2422 | } | |
2423 | ||
2424 | static struct intel_sdvo_connector *intel_sdvo_connector_alloc(void) | |
2425 | { | |
2426 | struct intel_sdvo_connector *sdvo_connector; | |
2427 | ||
2428 | sdvo_connector = kzalloc(sizeof(*sdvo_connector), GFP_KERNEL); | |
2429 | if (!sdvo_connector) | |
2430 | return NULL; | |
2431 | ||
2432 | if (intel_connector_init(&sdvo_connector->base) < 0) { | |
2433 | kfree(sdvo_connector); | |
2434 | return NULL; | |
2435 | } | |
2436 | ||
2437 | return sdvo_connector; | |
2438 | } | |
2439 | ||
2440 | static bool | |
2441 | intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) | |
2442 | { | |
2443 | struct drm_encoder *encoder = &intel_sdvo->base.base; | |
2444 | struct drm_connector *connector; | |
2445 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); | |
2446 | struct intel_connector *intel_connector; | |
2447 | struct intel_sdvo_connector *intel_sdvo_connector; | |
2448 | ||
2449 | DRM_DEBUG_KMS("initialising DVI device %d\n", device); | |
2450 | ||
2451 | intel_sdvo_connector = intel_sdvo_connector_alloc(); | |
2452 | if (!intel_sdvo_connector) | |
2453 | return false; | |
2454 | ||
2455 | if (device == 0) { | |
2456 | intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0; | |
2457 | intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0; | |
2458 | } else if (device == 1) { | |
2459 | intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1; | |
2460 | intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1; | |
2461 | } | |
2462 | ||
2463 | intel_connector = &intel_sdvo_connector->base; | |
2464 | connector = &intel_connector->base; | |
2465 | if (intel_sdvo_get_hotplug_support(intel_sdvo) & | |
2466 | intel_sdvo_connector->output_flag) { | |
2467 | intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag; | |
2468 | /* Some SDVO devices have one-shot hotplug interrupts. | |
2469 | * Ensure that they get re-enabled when an interrupt happens. | |
2470 | */ | |
2471 | intel_encoder->hot_plug = intel_sdvo_enable_hotplug; | |
2472 | intel_sdvo_enable_hotplug(intel_encoder); | |
2473 | } else { | |
2474 | intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; | |
2475 | } | |
2476 | encoder->encoder_type = DRM_MODE_ENCODER_TMDS; | |
2477 | connector->connector_type = DRM_MODE_CONNECTOR_DVID; | |
2478 | ||
2479 | if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) { | |
2480 | connector->connector_type = DRM_MODE_CONNECTOR_HDMIA; | |
2481 | intel_sdvo->is_hdmi = true; | |
2482 | } | |
2483 | ||
2484 | if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { | |
2485 | kfree(intel_sdvo_connector); | |
2486 | return false; | |
2487 | } | |
2488 | ||
2489 | if (intel_sdvo->is_hdmi) | |
2490 | intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector); | |
2491 | ||
2492 | return true; | |
2493 | } | |
2494 | ||
2495 | static bool | |
2496 | intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type) | |
2497 | { | |
2498 | struct drm_encoder *encoder = &intel_sdvo->base.base; | |
2499 | struct drm_connector *connector; | |
2500 | struct intel_connector *intel_connector; | |
2501 | struct intel_sdvo_connector *intel_sdvo_connector; | |
2502 | ||
2503 | DRM_DEBUG_KMS("initialising TV type %d\n", type); | |
2504 | ||
2505 | intel_sdvo_connector = intel_sdvo_connector_alloc(); | |
2506 | if (!intel_sdvo_connector) | |
2507 | return false; | |
2508 | ||
2509 | intel_connector = &intel_sdvo_connector->base; | |
2510 | connector = &intel_connector->base; | |
2511 | encoder->encoder_type = DRM_MODE_ENCODER_TVDAC; | |
2512 | connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO; | |
2513 | ||
2514 | intel_sdvo->controlled_output |= type; | |
2515 | intel_sdvo_connector->output_flag = type; | |
2516 | ||
2517 | intel_sdvo->is_tv = true; | |
2518 | ||
2519 | if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { | |
2520 | kfree(intel_sdvo_connector); | |
2521 | return false; | |
2522 | } | |
2523 | ||
2524 | if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type)) | |
2525 | goto err; | |
2526 | ||
2527 | if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) | |
2528 | goto err; | |
2529 | ||
2530 | return true; | |
2531 | ||
2532 | err: | |
2533 | intel_sdvo_destroy(connector); | |
2534 | return false; | |
2535 | } | |
2536 | ||
2537 | static bool | |
2538 | intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device) | |
2539 | { | |
2540 | struct drm_encoder *encoder = &intel_sdvo->base.base; | |
2541 | struct drm_connector *connector; | |
2542 | struct intel_connector *intel_connector; | |
2543 | struct intel_sdvo_connector *intel_sdvo_connector; | |
2544 | ||
2545 | DRM_DEBUG_KMS("initialising analog device %d\n", device); | |
2546 | ||
2547 | intel_sdvo_connector = intel_sdvo_connector_alloc(); | |
2548 | if (!intel_sdvo_connector) | |
2549 | return false; | |
2550 | ||
2551 | intel_connector = &intel_sdvo_connector->base; | |
2552 | connector = &intel_connector->base; | |
2553 | intel_connector->polled = DRM_CONNECTOR_POLL_CONNECT; | |
2554 | encoder->encoder_type = DRM_MODE_ENCODER_DAC; | |
2555 | connector->connector_type = DRM_MODE_CONNECTOR_VGA; | |
2556 | ||
2557 | if (device == 0) { | |
2558 | intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0; | |
2559 | intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0; | |
2560 | } else if (device == 1) { | |
2561 | intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1; | |
2562 | intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1; | |
2563 | } | |
2564 | ||
2565 | if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { | |
2566 | kfree(intel_sdvo_connector); | |
2567 | return false; | |
2568 | } | |
2569 | ||
2570 | return true; | |
2571 | } | |
2572 | ||
2573 | static bool | |
2574 | intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) | |
2575 | { | |
2576 | struct drm_encoder *encoder = &intel_sdvo->base.base; | |
2577 | struct drm_connector *connector; | |
2578 | struct intel_connector *intel_connector; | |
2579 | struct intel_sdvo_connector *intel_sdvo_connector; | |
2580 | ||
2581 | DRM_DEBUG_KMS("initialising LVDS device %d\n", device); | |
2582 | ||
2583 | intel_sdvo_connector = intel_sdvo_connector_alloc(); | |
2584 | if (!intel_sdvo_connector) | |
2585 | return false; | |
2586 | ||
2587 | intel_connector = &intel_sdvo_connector->base; | |
2588 | connector = &intel_connector->base; | |
2589 | encoder->encoder_type = DRM_MODE_ENCODER_LVDS; | |
2590 | connector->connector_type = DRM_MODE_CONNECTOR_LVDS; | |
2591 | ||
2592 | if (device == 0) { | |
2593 | intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0; | |
2594 | intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0; | |
2595 | } else if (device == 1) { | |
2596 | intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1; | |
2597 | intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1; | |
2598 | } | |
2599 | ||
2600 | if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) { | |
2601 | kfree(intel_sdvo_connector); | |
2602 | return false; | |
2603 | } | |
2604 | ||
2605 | if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) | |
2606 | goto err; | |
2607 | ||
2608 | return true; | |
2609 | ||
2610 | err: | |
2611 | intel_sdvo_destroy(connector); | |
2612 | return false; | |
2613 | } | |
2614 | ||
2615 | static bool | |
2616 | intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags) | |
2617 | { | |
2618 | intel_sdvo->is_tv = false; | |
2619 | intel_sdvo->is_lvds = false; | |
2620 | ||
2621 | /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/ | |
2622 | ||
2623 | if (flags & SDVO_OUTPUT_TMDS0) | |
2624 | if (!intel_sdvo_dvi_init(intel_sdvo, 0)) | |
2625 | return false; | |
2626 | ||
2627 | if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK) | |
2628 | if (!intel_sdvo_dvi_init(intel_sdvo, 1)) | |
2629 | return false; | |
2630 | ||
2631 | /* TV has no XXX1 function block */ | |
2632 | if (flags & SDVO_OUTPUT_SVID0) | |
2633 | if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0)) | |
2634 | return false; | |
2635 | ||
2636 | if (flags & SDVO_OUTPUT_CVBS0) | |
2637 | if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0)) | |
2638 | return false; | |
2639 | ||
2640 | if (flags & SDVO_OUTPUT_YPRPB0) | |
2641 | if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0)) | |
2642 | return false; | |
2643 | ||
2644 | if (flags & SDVO_OUTPUT_RGB0) | |
2645 | if (!intel_sdvo_analog_init(intel_sdvo, 0)) | |
2646 | return false; | |
2647 | ||
2648 | if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK) | |
2649 | if (!intel_sdvo_analog_init(intel_sdvo, 1)) | |
2650 | return false; | |
2651 | ||
2652 | if (flags & SDVO_OUTPUT_LVDS0) | |
2653 | if (!intel_sdvo_lvds_init(intel_sdvo, 0)) | |
2654 | return false; | |
2655 | ||
2656 | if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK) | |
2657 | if (!intel_sdvo_lvds_init(intel_sdvo, 1)) | |
2658 | return false; | |
2659 | ||
2660 | if ((flags & SDVO_OUTPUT_MASK) == 0) { | |
2661 | unsigned char bytes[2]; | |
2662 | ||
2663 | intel_sdvo->controlled_output = 0; | |
2664 | memcpy(bytes, &intel_sdvo->caps.output_flags, 2); | |
2665 | DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n", | |
2666 | SDVO_NAME(intel_sdvo), | |
2667 | bytes[0], bytes[1]); | |
2668 | return false; | |
2669 | } | |
2670 | intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); | |
2671 | ||
2672 | return true; | |
2673 | } | |
2674 | ||
2675 | static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo) | |
2676 | { | |
2677 | struct drm_device *dev = intel_sdvo->base.base.dev; | |
2678 | struct drm_connector *connector, *tmp; | |
2679 | ||
2680 | list_for_each_entry_safe(connector, tmp, | |
2681 | &dev->mode_config.connector_list, head) { | |
2682 | if (intel_attached_encoder(connector) == &intel_sdvo->base) { | |
2683 | drm_connector_unregister(connector); | |
2684 | intel_sdvo_destroy(connector); | |
2685 | } | |
2686 | } | |
2687 | } | |
2688 | ||
2689 | static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, | |
2690 | struct intel_sdvo_connector *intel_sdvo_connector, | |
2691 | int type) | |
2692 | { | |
2693 | struct drm_device *dev = intel_sdvo->base.base.dev; | |
2694 | struct intel_sdvo_tv_format format; | |
2695 | uint32_t format_map, i; | |
2696 | ||
2697 | if (!intel_sdvo_set_target_output(intel_sdvo, type)) | |
2698 | return false; | |
2699 | ||
2700 | BUILD_BUG_ON(sizeof(format) != 6); | |
2701 | if (!intel_sdvo_get_value(intel_sdvo, | |
2702 | SDVO_CMD_GET_SUPPORTED_TV_FORMATS, | |
2703 | &format, sizeof(format))) | |
2704 | return false; | |
2705 | ||
2706 | memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format))); | |
2707 | ||
2708 | if (format_map == 0) | |
2709 | return false; | |
2710 | ||
2711 | intel_sdvo_connector->format_supported_num = 0; | |
2712 | for (i = 0 ; i < TV_FORMAT_NUM; i++) | |
2713 | if (format_map & (1 << i)) | |
2714 | intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i; | |
2715 | ||
2716 | ||
2717 | intel_sdvo_connector->tv_format = | |
2718 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
2719 | "mode", intel_sdvo_connector->format_supported_num); | |
2720 | if (!intel_sdvo_connector->tv_format) | |
2721 | return false; | |
2722 | ||
2723 | for (i = 0; i < intel_sdvo_connector->format_supported_num; i++) | |
2724 | drm_property_add_enum( | |
2725 | intel_sdvo_connector->tv_format, i, | |
2726 | i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]); | |
2727 | ||
2728 | intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0]; | |
2729 | drm_object_attach_property(&intel_sdvo_connector->base.base.base, | |
2730 | intel_sdvo_connector->tv_format, 0); | |
2731 | return true; | |
2732 | ||
2733 | } | |
2734 | ||
2735 | #define ENHANCEMENT(name, NAME) do { \ | |
2736 | if (enhancements.name) { \ | |
2737 | if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \ | |
2738 | !intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \ | |
2739 | return false; \ | |
2740 | intel_sdvo_connector->max_##name = data_value[0]; \ | |
2741 | intel_sdvo_connector->cur_##name = response; \ | |
2742 | intel_sdvo_connector->name = \ | |
2743 | drm_property_create_range(dev, 0, #name, 0, data_value[0]); \ | |
2744 | if (!intel_sdvo_connector->name) return false; \ | |
2745 | drm_object_attach_property(&connector->base, \ | |
2746 | intel_sdvo_connector->name, \ | |
2747 | intel_sdvo_connector->cur_##name); \ | |
2748 | DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \ | |
2749 | data_value[0], data_value[1], response); \ | |
2750 | } \ | |
2751 | } while (0) | |
2752 | ||
2753 | static bool | |
2754 | intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo, | |
2755 | struct intel_sdvo_connector *intel_sdvo_connector, | |
2756 | struct intel_sdvo_enhancements_reply enhancements) | |
2757 | { | |
2758 | struct drm_device *dev = intel_sdvo->base.base.dev; | |
2759 | struct drm_connector *connector = &intel_sdvo_connector->base.base; | |
2760 | uint16_t response, data_value[2]; | |
2761 | ||
2762 | /* when horizontal overscan is supported, Add the left/right property */ | |
2763 | if (enhancements.overscan_h) { | |
2764 | if (!intel_sdvo_get_value(intel_sdvo, | |
2765 | SDVO_CMD_GET_MAX_OVERSCAN_H, | |
2766 | &data_value, 4)) | |
2767 | return false; | |
2768 | ||
2769 | if (!intel_sdvo_get_value(intel_sdvo, | |
2770 | SDVO_CMD_GET_OVERSCAN_H, | |
2771 | &response, 2)) | |
2772 | return false; | |
2773 | ||
2774 | intel_sdvo_connector->max_hscan = data_value[0]; | |
2775 | intel_sdvo_connector->left_margin = data_value[0] - response; | |
2776 | intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin; | |
2777 | intel_sdvo_connector->left = | |
2778 | drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]); | |
2779 | if (!intel_sdvo_connector->left) | |
2780 | return false; | |
2781 | ||
2782 | drm_object_attach_property(&connector->base, | |
2783 | intel_sdvo_connector->left, | |
2784 | intel_sdvo_connector->left_margin); | |
2785 | ||
2786 | intel_sdvo_connector->right = | |
2787 | drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]); | |
2788 | if (!intel_sdvo_connector->right) | |
2789 | return false; | |
2790 | ||
2791 | drm_object_attach_property(&connector->base, | |
2792 | intel_sdvo_connector->right, | |
2793 | intel_sdvo_connector->right_margin); | |
2794 | DRM_DEBUG_KMS("h_overscan: max %d, " | |
2795 | "default %d, current %d\n", | |
2796 | data_value[0], data_value[1], response); | |
2797 | } | |
2798 | ||
2799 | if (enhancements.overscan_v) { | |
2800 | if (!intel_sdvo_get_value(intel_sdvo, | |
2801 | SDVO_CMD_GET_MAX_OVERSCAN_V, | |
2802 | &data_value, 4)) | |
2803 | return false; | |
2804 | ||
2805 | if (!intel_sdvo_get_value(intel_sdvo, | |
2806 | SDVO_CMD_GET_OVERSCAN_V, | |
2807 | &response, 2)) | |
2808 | return false; | |
2809 | ||
2810 | intel_sdvo_connector->max_vscan = data_value[0]; | |
2811 | intel_sdvo_connector->top_margin = data_value[0] - response; | |
2812 | intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin; | |
2813 | intel_sdvo_connector->top = | |
2814 | drm_property_create_range(dev, 0, | |
2815 | "top_margin", 0, data_value[0]); | |
2816 | if (!intel_sdvo_connector->top) | |
2817 | return false; | |
2818 | ||
2819 | drm_object_attach_property(&connector->base, | |
2820 | intel_sdvo_connector->top, | |
2821 | intel_sdvo_connector->top_margin); | |
2822 | ||
2823 | intel_sdvo_connector->bottom = | |
2824 | drm_property_create_range(dev, 0, | |
2825 | "bottom_margin", 0, data_value[0]); | |
2826 | if (!intel_sdvo_connector->bottom) | |
2827 | return false; | |
2828 | ||
2829 | drm_object_attach_property(&connector->base, | |
2830 | intel_sdvo_connector->bottom, | |
2831 | intel_sdvo_connector->bottom_margin); | |
2832 | DRM_DEBUG_KMS("v_overscan: max %d, " | |
2833 | "default %d, current %d\n", | |
2834 | data_value[0], data_value[1], response); | |
2835 | } | |
2836 | ||
2837 | ENHANCEMENT(hpos, HPOS); | |
2838 | ENHANCEMENT(vpos, VPOS); | |
2839 | ENHANCEMENT(saturation, SATURATION); | |
2840 | ENHANCEMENT(contrast, CONTRAST); | |
2841 | ENHANCEMENT(hue, HUE); | |
2842 | ENHANCEMENT(sharpness, SHARPNESS); | |
2843 | ENHANCEMENT(brightness, BRIGHTNESS); | |
2844 | ENHANCEMENT(flicker_filter, FLICKER_FILTER); | |
2845 | ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE); | |
2846 | ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D); | |
2847 | ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER); | |
2848 | ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER); | |
2849 | ||
2850 | if (enhancements.dot_crawl) { | |
2851 | if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2)) | |
2852 | return false; | |
2853 | ||
2854 | intel_sdvo_connector->max_dot_crawl = 1; | |
2855 | intel_sdvo_connector->cur_dot_crawl = response & 0x1; | |
2856 | intel_sdvo_connector->dot_crawl = | |
2857 | drm_property_create_range(dev, 0, "dot_crawl", 0, 1); | |
2858 | if (!intel_sdvo_connector->dot_crawl) | |
2859 | return false; | |
2860 | ||
2861 | drm_object_attach_property(&connector->base, | |
2862 | intel_sdvo_connector->dot_crawl, | |
2863 | intel_sdvo_connector->cur_dot_crawl); | |
2864 | DRM_DEBUG_KMS("dot crawl: current %d\n", response); | |
2865 | } | |
2866 | ||
2867 | return true; | |
2868 | } | |
2869 | ||
2870 | static bool | |
2871 | intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo, | |
2872 | struct intel_sdvo_connector *intel_sdvo_connector, | |
2873 | struct intel_sdvo_enhancements_reply enhancements) | |
2874 | { | |
2875 | struct drm_device *dev = intel_sdvo->base.base.dev; | |
2876 | struct drm_connector *connector = &intel_sdvo_connector->base.base; | |
2877 | uint16_t response, data_value[2]; | |
2878 | ||
2879 | ENHANCEMENT(brightness, BRIGHTNESS); | |
2880 | ||
2881 | return true; | |
2882 | } | |
2883 | #undef ENHANCEMENT | |
2884 | ||
2885 | static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, | |
2886 | struct intel_sdvo_connector *intel_sdvo_connector) | |
2887 | { | |
2888 | union { | |
2889 | struct intel_sdvo_enhancements_reply reply; | |
2890 | uint16_t response; | |
2891 | } enhancements; | |
2892 | ||
2893 | BUILD_BUG_ON(sizeof(enhancements) != 2); | |
2894 | ||
2895 | enhancements.response = 0; | |
2896 | intel_sdvo_get_value(intel_sdvo, | |
2897 | SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS, | |
2898 | &enhancements, sizeof(enhancements)); | |
2899 | if (enhancements.response == 0) { | |
2900 | DRM_DEBUG_KMS("No enhancement is supported\n"); | |
2901 | return true; | |
2902 | } | |
2903 | ||
2904 | if (IS_TV(intel_sdvo_connector)) | |
2905 | return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply); | |
2906 | else if (IS_LVDS(intel_sdvo_connector)) | |
2907 | return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply); | |
2908 | else | |
2909 | return true; | |
2910 | } | |
2911 | ||
2912 | static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter, | |
2913 | struct i2c_msg *msgs, | |
2914 | int num) | |
2915 | { | |
2916 | struct intel_sdvo *sdvo = adapter->algo_data; | |
2917 | ||
2918 | if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus)) | |
2919 | return -EIO; | |
2920 | ||
2921 | return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num); | |
2922 | } | |
2923 | ||
2924 | static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter) | |
2925 | { | |
2926 | struct intel_sdvo *sdvo = adapter->algo_data; | |
2927 | return sdvo->i2c->algo->functionality(sdvo->i2c); | |
2928 | } | |
2929 | ||
2930 | static const struct i2c_algorithm intel_sdvo_ddc_proxy = { | |
2931 | .master_xfer = intel_sdvo_ddc_proxy_xfer, | |
2932 | .functionality = intel_sdvo_ddc_proxy_func | |
2933 | }; | |
2934 | ||
2935 | static bool | |
2936 | intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo, | |
2937 | struct drm_device *dev) | |
2938 | { | |
2939 | struct pci_dev *pdev = dev->pdev; | |
2940 | ||
2941 | sdvo->ddc.owner = THIS_MODULE; | |
2942 | sdvo->ddc.class = I2C_CLASS_DDC; | |
2943 | snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy"); | |
2944 | sdvo->ddc.dev.parent = &pdev->dev; | |
2945 | sdvo->ddc.algo_data = sdvo; | |
2946 | sdvo->ddc.algo = &intel_sdvo_ddc_proxy; | |
2947 | ||
2948 | return i2c_add_adapter(&sdvo->ddc) == 0; | |
2949 | } | |
2950 | ||
2951 | static void assert_sdvo_port_valid(const struct drm_i915_private *dev_priv, | |
2952 | enum port port) | |
2953 | { | |
2954 | if (HAS_PCH_SPLIT(dev_priv)) | |
2955 | WARN_ON(port != PORT_B); | |
2956 | else | |
2957 | WARN_ON(port != PORT_B && port != PORT_C); | |
2958 | } | |
2959 | ||
2960 | bool intel_sdvo_init(struct drm_device *dev, | |
2961 | i915_reg_t sdvo_reg, enum port port) | |
2962 | { | |
2963 | struct drm_i915_private *dev_priv = to_i915(dev); | |
2964 | struct intel_encoder *intel_encoder; | |
2965 | struct intel_sdvo *intel_sdvo; | |
2966 | int i; | |
2967 | ||
2968 | assert_sdvo_port_valid(dev_priv, port); | |
2969 | ||
2970 | intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL); | |
2971 | if (!intel_sdvo) | |
2972 | return false; | |
2973 | ||
2974 | intel_sdvo->sdvo_reg = sdvo_reg; | |
2975 | intel_sdvo->port = port; | |
2976 | intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1; | |
2977 | intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo); | |
2978 | if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev)) | |
2979 | goto err_i2c_bus; | |
2980 | ||
2981 | /* encoder type will be decided later */ | |
2982 | intel_encoder = &intel_sdvo->base; | |
2983 | intel_encoder->type = INTEL_OUTPUT_SDVO; | |
2984 | intel_encoder->port = port; | |
2985 | drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0, | |
2986 | "SDVO %c", port_name(port)); | |
2987 | ||
2988 | /* Read the regs to test if we can talk to the device */ | |
2989 | for (i = 0; i < 0x40; i++) { | |
2990 | u8 byte; | |
2991 | ||
2992 | if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) { | |
2993 | DRM_DEBUG_KMS("No SDVO device found on %s\n", | |
2994 | SDVO_NAME(intel_sdvo)); | |
2995 | goto err; | |
2996 | } | |
2997 | } | |
2998 | ||
2999 | intel_encoder->compute_config = intel_sdvo_compute_config; | |
3000 | if (HAS_PCH_SPLIT(dev_priv)) { | |
3001 | intel_encoder->disable = pch_disable_sdvo; | |
3002 | intel_encoder->post_disable = pch_post_disable_sdvo; | |
3003 | } else { | |
3004 | intel_encoder->disable = intel_disable_sdvo; | |
3005 | } | |
3006 | intel_encoder->pre_enable = intel_sdvo_pre_enable; | |
3007 | intel_encoder->enable = intel_enable_sdvo; | |
3008 | intel_encoder->get_hw_state = intel_sdvo_get_hw_state; | |
3009 | intel_encoder->get_config = intel_sdvo_get_config; | |
3010 | ||
3011 | /* In default case sdvo lvds is false */ | |
3012 | if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps)) | |
3013 | goto err; | |
3014 | ||
3015 | if (intel_sdvo_output_setup(intel_sdvo, | |
3016 | intel_sdvo->caps.output_flags) != true) { | |
3017 | DRM_DEBUG_KMS("SDVO output failed to setup on %s\n", | |
3018 | SDVO_NAME(intel_sdvo)); | |
3019 | /* Output_setup can leave behind connectors! */ | |
3020 | goto err_output; | |
3021 | } | |
3022 | ||
3023 | /* Only enable the hotplug irq if we need it, to work around noisy | |
3024 | * hotplug lines. | |
3025 | */ | |
3026 | if (intel_sdvo->hotplug_active) { | |
3027 | if (intel_sdvo->port == PORT_B) | |
3028 | intel_encoder->hpd_pin = HPD_SDVO_B; | |
3029 | else | |
3030 | intel_encoder->hpd_pin = HPD_SDVO_C; | |
3031 | } | |
3032 | ||
3033 | /* | |
3034 | * Cloning SDVO with anything is often impossible, since the SDVO | |
3035 | * encoder can request a special input timing mode. And even if that's | |
3036 | * not the case we have evidence that cloning a plain unscaled mode with | |
3037 | * VGA doesn't really work. Furthermore the cloning flags are way too | |
3038 | * simplistic anyway to express such constraints, so just give up on | |
3039 | * cloning for SDVO encoders. | |
3040 | */ | |
3041 | intel_sdvo->base.cloneable = 0; | |
3042 | ||
3043 | intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo); | |
3044 | ||
3045 | /* Set the input timing to the screen. Assume always input 0. */ | |
3046 | if (!intel_sdvo_set_target_input(intel_sdvo)) | |
3047 | goto err_output; | |
3048 | ||
3049 | if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo, | |
3050 | &intel_sdvo->pixel_clock_min, | |
3051 | &intel_sdvo->pixel_clock_max)) | |
3052 | goto err_output; | |
3053 | ||
3054 | DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, " | |
3055 | "clock range %dMHz - %dMHz, " | |
3056 | "input 1: %c, input 2: %c, " | |
3057 | "output 1: %c, output 2: %c\n", | |
3058 | SDVO_NAME(intel_sdvo), | |
3059 | intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id, | |
3060 | intel_sdvo->caps.device_rev_id, | |
3061 | intel_sdvo->pixel_clock_min / 1000, | |
3062 | intel_sdvo->pixel_clock_max / 1000, | |
3063 | (intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N', | |
3064 | (intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N', | |
3065 | /* check currently supported outputs */ | |
3066 | intel_sdvo->caps.output_flags & | |
3067 | (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N', | |
3068 | intel_sdvo->caps.output_flags & | |
3069 | (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); | |
3070 | return true; | |
3071 | ||
3072 | err_output: | |
3073 | intel_sdvo_output_cleanup(intel_sdvo); | |
3074 | ||
3075 | err: | |
3076 | drm_encoder_cleanup(&intel_encoder->base); | |
3077 | i2c_del_adapter(&intel_sdvo->ddc); | |
3078 | err_i2c_bus: | |
3079 | intel_sdvo_unselect_i2c_bus(intel_sdvo); | |
3080 | kfree(intel_sdvo); | |
3081 | ||
3082 | return false; | |
3083 | } |