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drm/nouveau: fix nouveau_i2c_find bounds checking
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / gpu / drm / nouveau / nv17_tv.c
blob21ac6e49b6ee52bd4891f7710e94d9356595c546
1 /*
2 * Copyright (C) 2009 Francisco Jerez.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27 #include "drmP.h"
28 #include "drm_crtc_helper.h"
29 #include "nouveau_drv.h"
30 #include "nouveau_encoder.h"
31 #include "nouveau_connector.h"
32 #include "nouveau_crtc.h"
33 #include "nouveau_hw.h"
34 #include "nv17_tv.h"
35
36 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
37 {
38 struct drm_device *dev = encoder->dev;
39 struct drm_nouveau_private *dev_priv = dev->dev_private;
40 uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
41 uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
42 fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
43 uint32_t sample = 0;
44 int head;
45
46 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
47 testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
48 if (dev_priv->vbios->tvdactestval)
49 testval = dev_priv->vbios->tvdactestval;
50
51 dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
52 head = (dacclk & 0x100) >> 8;
53
54 /* Save the previous state. */
55 gpio1 = nv17_gpio_get(dev, DCB_GPIO_TVDAC1);
56 gpio0 = nv17_gpio_get(dev, DCB_GPIO_TVDAC0);
57 fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
58 fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
59 fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
60 fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
61 test_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
62 ctv_1c = NVReadRAMDAC(dev, head, 0x680c1c);
63 ctv_14 = NVReadRAMDAC(dev, head, 0x680c14);
64 ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
65
66 /* Prepare the DAC for load detection. */
67 nv17_gpio_set(dev, DCB_GPIO_TVDAC1, true);
68 nv17_gpio_set(dev, DCB_GPIO_TVDAC0, true);
69
70 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
71 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
72 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, 1183);
73 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL,
74 NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
75 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12 |
76 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
77 NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS |
78 NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS);
79
80 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, 0);
81
82 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
83 (dacclk & ~0xff) | 0x22);
84 msleep(1);
85 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
86 (dacclk & ~0xff) | 0x21);
87
88 NVWriteRAMDAC(dev, head, 0x680c1c, 1 << 20);
89 NVWriteRAMDAC(dev, head, 0x680c14, 4 << 16);
90
91 /* Sample pin 0x4 (usually S-video luma). */
92 NVWriteRAMDAC(dev, head, 0x680c6c, testval >> 10 & 0x3ff);
93 msleep(20);
94 sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
95 & 0x4 << 28;
96
97 /* Sample the remaining pins. */
98 NVWriteRAMDAC(dev, head, 0x680c6c, testval & 0x3ff);
99 msleep(20);
100 sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
101 & 0xa << 28;
102
103 /* Restore the previous state. */
104 NVWriteRAMDAC(dev, head, 0x680c1c, ctv_1c);
105 NVWriteRAMDAC(dev, head, 0x680c14, ctv_14);
106 NVWriteRAMDAC(dev, head, 0x680c6c, ctv_6c);
107 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, dacclk);
108 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, test_ctrl);
109 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, fp_control);
110 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
111 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
112 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
113 nv17_gpio_set(dev, DCB_GPIO_TVDAC1, gpio1);
114 nv17_gpio_set(dev, DCB_GPIO_TVDAC0, gpio0);
115
116 return sample;
117 }
118
119 static enum drm_connector_status
120 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
121 {
122 struct drm_device *dev = encoder->dev;
123 struct drm_nouveau_private *dev_priv = dev->dev_private;
124 struct drm_mode_config *conf = &dev->mode_config;
125 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
126 struct dcb_entry *dcb = tv_enc->base.dcb;
127
128 if (dev_priv->chipset == 0x42 ||
129 dev_priv->chipset == 0x43)
130 tv_enc->pin_mask = nv42_tv_sample_load(encoder) >> 28 & 0xe;
131 else
132 tv_enc->pin_mask = nv17_dac_sample_load(encoder) >> 28 & 0xe;
133
134 switch (tv_enc->pin_mask) {
135 case 0x2:
136 case 0x4:
137 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Composite;
138 break;
139 case 0xc:
140 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
141 break;
142 case 0xe:
143 if (dcb->tvconf.has_component_output)
144 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
145 else
146 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
147 break;
148 default:
149 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
150 break;
151 }
152
153 drm_connector_property_set_value(connector,
154 conf->tv_subconnector_property,
155 tv_enc->subconnector);
156
157 if (tv_enc->subconnector) {
158 NV_INFO(dev, "Load detected on output %c\n",
159 '@' + ffs(dcb->or));
160 return connector_status_connected;
161 } else {
162 return connector_status_disconnected;
163 }
164 }
165
166 static const struct {
167 int hdisplay;
168 int vdisplay;
169 } modes[] = {
170 { 640, 400 },
171 { 640, 480 },
172 { 720, 480 },
173 { 720, 576 },
174 { 800, 600 },
175 { 1024, 768 },
176 { 1280, 720 },
177 { 1280, 1024 },
178 { 1920, 1080 }
179 };
180
181 static int nv17_tv_get_modes(struct drm_encoder *encoder,
182 struct drm_connector *connector)
183 {
184 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
185 struct drm_display_mode *mode;
186 struct drm_display_mode *output_mode;
187 int n = 0;
188 int i;
189
190 if (tv_norm->kind != CTV_ENC_MODE) {
191 struct drm_display_mode *tv_mode;
192
193 for (tv_mode = nv17_tv_modes; tv_mode->hdisplay; tv_mode++) {
194 mode = drm_mode_duplicate(encoder->dev, tv_mode);
195
196 mode->clock = tv_norm->tv_enc_mode.vrefresh *
197 mode->htotal / 1000 *
198 mode->vtotal / 1000;
199
200 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
201 mode->clock *= 2;
202
203 if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
204 mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
205 mode->type |= DRM_MODE_TYPE_PREFERRED;
206
207 drm_mode_probed_add(connector, mode);
208 n++;
209 }
210 return n;
211 }
212
213 /* tv_norm->kind == CTV_ENC_MODE */
214 output_mode = &tv_norm->ctv_enc_mode.mode;
215 for (i = 0; i < ARRAY_SIZE(modes); i++) {
216 if (modes[i].hdisplay > output_mode->hdisplay ||
217 modes[i].vdisplay > output_mode->vdisplay)
218 continue;
219
220 if (modes[i].hdisplay == output_mode->hdisplay &&
221 modes[i].vdisplay == output_mode->vdisplay) {
222 mode = drm_mode_duplicate(encoder->dev, output_mode);
223 mode->type |= DRM_MODE_TYPE_PREFERRED;
224 } else {
225 mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
226 modes[i].vdisplay, 60, false,
227 output_mode->flags & DRM_MODE_FLAG_INTERLACE,
228 false);
229 }
230
231 /* CVT modes are sometimes unsuitable... */
232 if (output_mode->hdisplay <= 720
233 || output_mode->hdisplay >= 1920) {
234 mode->htotal = output_mode->htotal;
235 mode->hsync_start = (mode->hdisplay + (mode->htotal
236 - mode->hdisplay) * 9 / 10) & ~7;
237 mode->hsync_end = mode->hsync_start + 8;
238 }
239 if (output_mode->vdisplay >= 1024) {
240 mode->vtotal = output_mode->vtotal;
241 mode->vsync_start = output_mode->vsync_start;
242 mode->vsync_end = output_mode->vsync_end;
243 }
244
245 mode->type |= DRM_MODE_TYPE_DRIVER;
246 drm_mode_probed_add(connector, mode);
247 n++;
248 }
249 return n;
250 }
251
252 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
253 struct drm_display_mode *mode)
254 {
255 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
256
257 if (tv_norm->kind == CTV_ENC_MODE) {
258 struct drm_display_mode *output_mode =
259 &tv_norm->ctv_enc_mode.mode;
260
261 if (mode->clock > 400000)
262 return MODE_CLOCK_HIGH;
263
264 if (mode->hdisplay > output_mode->hdisplay ||
265 mode->vdisplay > output_mode->vdisplay)
266 return MODE_BAD;
267
268 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
269 (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
270 return MODE_NO_INTERLACE;
271
272 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
273 return MODE_NO_DBLESCAN;
274
275 } else {
276 const int vsync_tolerance = 600;
277
278 if (mode->clock > 70000)
279 return MODE_CLOCK_HIGH;
280
281 if (abs(drm_mode_vrefresh(mode) * 1000 -
282 tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
283 return MODE_VSYNC;
284
285 /* The encoder takes care of the actual interlacing */
286 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
287 return MODE_NO_INTERLACE;
288 }
289
290 return MODE_OK;
291 }
292
293 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
294 struct drm_display_mode *mode,
295 struct drm_display_mode *adjusted_mode)
296 {
297 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
298
299 if (tv_norm->kind == CTV_ENC_MODE)
300 adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
301 else
302 adjusted_mode->clock = 90000;
303
304 return true;
305 }
306
307 static void nv17_tv_dpms(struct drm_encoder *encoder, int mode)
308 {
309 struct drm_device *dev = encoder->dev;
310 struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
311 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
312
313 if (nouveau_encoder(encoder)->last_dpms == mode)
314 return;
315 nouveau_encoder(encoder)->last_dpms = mode;
316
317 NV_INFO(dev, "Setting dpms mode %d on TV encoder (output %d)\n",
318 mode, nouveau_encoder(encoder)->dcb->index);
319
320 regs->ptv_200 &= ~1;
321
322 if (tv_norm->kind == CTV_ENC_MODE) {
323 nv04_dfp_update_fp_control(encoder, mode);
324
325 } else {
326 nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
327
328 if (mode == DRM_MODE_DPMS_ON)
329 regs->ptv_200 |= 1;
330 }
331
332 nv_load_ptv(dev, regs, 200);
333
334 nv17_gpio_set(dev, DCB_GPIO_TVDAC1, mode == DRM_MODE_DPMS_ON);
335 nv17_gpio_set(dev, DCB_GPIO_TVDAC0, mode == DRM_MODE_DPMS_ON);
336
337 nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
338 }
339
340 static void nv17_tv_prepare(struct drm_encoder *encoder)
341 {
342 struct drm_device *dev = encoder->dev;
343 struct drm_nouveau_private *dev_priv = dev->dev_private;
344 struct drm_encoder_helper_funcs *helper = encoder->helper_private;
345 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
346 int head = nouveau_crtc(encoder->crtc)->index;
347 uint8_t *cr_lcd = &dev_priv->mode_reg.crtc_reg[head].CRTC[
348 NV_CIO_CRE_LCD__INDEX];
349 uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
350 nv04_dac_output_offset(encoder);
351 uint32_t dacclk;
352
353 helper->dpms(encoder, DRM_MODE_DPMS_OFF);
354
355 nv04_dfp_disable(dev, head);
356
357 /* Unbind any FP encoders from this head if we need the FP
358 * stuff enabled. */
359 if (tv_norm->kind == CTV_ENC_MODE) {
360 struct drm_encoder *enc;
361
362 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
363 struct dcb_entry *dcb = nouveau_encoder(enc)->dcb;
364
365 if ((dcb->type == OUTPUT_TMDS ||
366 dcb->type == OUTPUT_LVDS) &&
367 !enc->crtc &&
368 nv04_dfp_get_bound_head(dev, dcb) == head) {
369 nv04_dfp_bind_head(dev, dcb, head ^ 1,
370 dev_priv->VBIOS.fp.dual_link);
371 }
372 }
373
374 }
375
376 /* Some NV4x have unknown values (0x3f, 0x50, 0x54, 0x6b, 0x79, 0x7f)
377 * at LCD__INDEX which we don't alter
378 */
379 if (!(*cr_lcd & 0x44)) {
380 if (tv_norm->kind == CTV_ENC_MODE)
381 *cr_lcd = 0x1 | (head ? 0x0 : 0x8);
382 else
383 *cr_lcd = 0;
384 }
385
386 /* Set the DACCLK register */
387 dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
388
389 if (dev_priv->card_type == NV_40)
390 dacclk |= 0x1a << 16;
391
392 if (tv_norm->kind == CTV_ENC_MODE) {
393 dacclk |= 0x20;
394
395 if (head)
396 dacclk |= 0x100;
397 else
398 dacclk &= ~0x100;
399
400 } else {
401 dacclk |= 0x10;
402
403 }
404
405 NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
406 }
407
408 static void nv17_tv_mode_set(struct drm_encoder *encoder,
409 struct drm_display_mode *drm_mode,
410 struct drm_display_mode *adjusted_mode)
411 {
412 struct drm_device *dev = encoder->dev;
413 struct drm_nouveau_private *dev_priv = dev->dev_private;
414 int head = nouveau_crtc(encoder->crtc)->index;
415 struct nv04_crtc_reg *regs = &dev_priv->mode_reg.crtc_reg[head];
416 struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
417 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
418 int i;
419
420 regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
421 regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
422 regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
423 regs->tv_setup = 1;
424 regs->ramdac_8c0 = 0x0;
425
426 if (tv_norm->kind == TV_ENC_MODE) {
427 tv_regs->ptv_200 = 0x13111100;
428 if (head)
429 tv_regs->ptv_200 |= 0x10;
430
431 tv_regs->ptv_20c = 0x808010;
432 tv_regs->ptv_304 = 0x2d00000;
433 tv_regs->ptv_600 = 0x0;
434 tv_regs->ptv_60c = 0x0;
435 tv_regs->ptv_610 = 0x1e00000;
436
437 if (tv_norm->tv_enc_mode.vdisplay == 576) {
438 tv_regs->ptv_508 = 0x1200000;
439 tv_regs->ptv_614 = 0x33;
440
441 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
442 tv_regs->ptv_508 = 0xf00000;
443 tv_regs->ptv_614 = 0x13;
444 }
445
446 if (dev_priv->card_type >= NV_30) {
447 tv_regs->ptv_500 = 0xe8e0;
448 tv_regs->ptv_504 = 0x1710;
449 tv_regs->ptv_604 = 0x0;
450 tv_regs->ptv_608 = 0x0;
451 } else {
452 if (tv_norm->tv_enc_mode.vdisplay == 576) {
453 tv_regs->ptv_604 = 0x20;
454 tv_regs->ptv_608 = 0x10;
455 tv_regs->ptv_500 = 0x19710;
456 tv_regs->ptv_504 = 0x68f0;
457
458 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
459 tv_regs->ptv_604 = 0x10;
460 tv_regs->ptv_608 = 0x20;
461 tv_regs->ptv_500 = 0x4b90;
462 tv_regs->ptv_504 = 0x1b480;
463 }
464 }
465
466 for (i = 0; i < 0x40; i++)
467 tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
468
469 } else {
470 struct drm_display_mode *output_mode =
471 &tv_norm->ctv_enc_mode.mode;
472
473 /* The registers in PRAMDAC+0xc00 control some timings and CSC
474 * parameters for the CTV encoder (It's only used for "HD" TV
475 * modes, I don't think I have enough working to guess what
476 * they exactly mean...), it's probably connected at the
477 * output of the FP encoder, but it also needs the analog
478 * encoder in its OR enabled and routed to the head it's
479 * using. It's enabled with the DACCLK register, bits [5:4].
480 */
481 for (i = 0; i < 38; i++)
482 regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
483
484 regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
485 regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
486 regs->fp_horiz_regs[FP_SYNC_START] =
487 output_mode->hsync_start - 1;
488 regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
489 regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
490 max((output_mode->hdisplay-600)/40 - 1, 1);
491
492 regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
493 regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
494 regs->fp_vert_regs[FP_SYNC_START] =
495 output_mode->vsync_start - 1;
496 regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
497 regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
498
499 regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
500 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
501 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
502
503 if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
504 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
505 if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
506 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
507
508 regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
509 NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
510 NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
511 NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
512 NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
513 NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
514 NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
515
516 regs->fp_debug_2 = 0;
517
518 regs->fp_margin_color = 0x801080;
519
520 }
521 }
522
523 static void nv17_tv_commit(struct drm_encoder *encoder)
524 {
525 struct drm_device *dev = encoder->dev;
526 struct drm_nouveau_private *dev_priv = dev->dev_private;
527 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
528 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
529 struct drm_encoder_helper_funcs *helper = encoder->helper_private;
530
531 if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
532 nv17_tv_update_rescaler(encoder);
533 nv17_tv_update_properties(encoder);
534 } else {
535 nv17_ctv_update_rescaler(encoder);
536 }
537
538 nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
539
540 /* This could use refinement for flatpanels, but it should work */
541 if (dev_priv->chipset < 0x44)
542 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
543 nv04_dac_output_offset(encoder),
544 0xf0000000);
545 else
546 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
547 nv04_dac_output_offset(encoder),
548 0x00100000);
549
550 helper->dpms(encoder, DRM_MODE_DPMS_ON);
551
552 NV_INFO(dev, "Output %s is running on CRTC %d using output %c\n",
553 drm_get_connector_name(
554 &nouveau_encoder_connector_get(nv_encoder)->base),
555 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
556 }
557
558 static void nv17_tv_save(struct drm_encoder *encoder)
559 {
560 struct drm_device *dev = encoder->dev;
561 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
562
563 nouveau_encoder(encoder)->restore.output =
564 NVReadRAMDAC(dev, 0,
565 NV_PRAMDAC_DACCLK +
566 nv04_dac_output_offset(encoder));
567
568 nv17_tv_state_save(dev, &tv_enc->saved_state);
569
570 tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
571 }
572
573 static void nv17_tv_restore(struct drm_encoder *encoder)
574 {
575 struct drm_device *dev = encoder->dev;
576
577 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
578 nv04_dac_output_offset(encoder),
579 nouveau_encoder(encoder)->restore.output);
580
581 nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
582
583 nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
584 }
585
586 static int nv17_tv_create_resources(struct drm_encoder *encoder,
587 struct drm_connector *connector)
588 {
589 struct drm_device *dev = encoder->dev;
590 struct drm_mode_config *conf = &dev->mode_config;
591 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
592 struct dcb_entry *dcb = nouveau_encoder(encoder)->dcb;
593 int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
594 NUM_LD_TV_NORMS;
595 int i;
596
597 if (nouveau_tv_norm) {
598 for (i = 0; i < num_tv_norms; i++) {
599 if (!strcmp(nv17_tv_norm_names[i], nouveau_tv_norm)) {
600 tv_enc->tv_norm = i;
601 break;
602 }
603 }
604
605 if (i == num_tv_norms)
606 NV_WARN(dev, "Invalid TV norm setting \"%s\"\n",
607 nouveau_tv_norm);
608 }
609
610 drm_mode_create_tv_properties(dev, num_tv_norms, nv17_tv_norm_names);
611
612 drm_connector_attach_property(connector,
613 conf->tv_select_subconnector_property,
614 tv_enc->select_subconnector);
615 drm_connector_attach_property(connector,
616 conf->tv_subconnector_property,
617 tv_enc->subconnector);
618 drm_connector_attach_property(connector,
619 conf->tv_mode_property,
620 tv_enc->tv_norm);
621 drm_connector_attach_property(connector,
622 conf->tv_flicker_reduction_property,
623 tv_enc->flicker);
624 drm_connector_attach_property(connector,
625 conf->tv_saturation_property,
626 tv_enc->saturation);
627 drm_connector_attach_property(connector,
628 conf->tv_hue_property,
629 tv_enc->hue);
630 drm_connector_attach_property(connector,
631 conf->tv_overscan_property,
632 tv_enc->overscan);
633
634 return 0;
635 }
636
637 static int nv17_tv_set_property(struct drm_encoder *encoder,
638 struct drm_connector *connector,
639 struct drm_property *property,
640 uint64_t val)
641 {
642 struct drm_mode_config *conf = &encoder->dev->mode_config;
643 struct drm_crtc *crtc = encoder->crtc;
644 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
645 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
646 bool modes_changed = false;
647
648 if (property == conf->tv_overscan_property) {
649 tv_enc->overscan = val;
650 if (encoder->crtc) {
651 if (tv_norm->kind == CTV_ENC_MODE)
652 nv17_ctv_update_rescaler(encoder);
653 else
654 nv17_tv_update_rescaler(encoder);
655 }
656
657 } else if (property == conf->tv_saturation_property) {
658 if (tv_norm->kind != TV_ENC_MODE)
659 return -EINVAL;
660
661 tv_enc->saturation = val;
662 nv17_tv_update_properties(encoder);
663
664 } else if (property == conf->tv_hue_property) {
665 if (tv_norm->kind != TV_ENC_MODE)
666 return -EINVAL;
667
668 tv_enc->hue = val;
669 nv17_tv_update_properties(encoder);
670
671 } else if (property == conf->tv_flicker_reduction_property) {
672 if (tv_norm->kind != TV_ENC_MODE)
673 return -EINVAL;
674
675 tv_enc->flicker = val;
676 if (encoder->crtc)
677 nv17_tv_update_rescaler(encoder);
678
679 } else if (property == conf->tv_mode_property) {
680 if (connector->dpms != DRM_MODE_DPMS_OFF)
681 return -EINVAL;
682
683 tv_enc->tv_norm = val;
684
685 modes_changed = true;
686
687 } else if (property == conf->tv_select_subconnector_property) {
688 if (tv_norm->kind != TV_ENC_MODE)
689 return -EINVAL;
690
691 tv_enc->select_subconnector = val;
692 nv17_tv_update_properties(encoder);
693
694 } else {
695 return -EINVAL;
696 }
697
698 if (modes_changed) {
699 drm_helper_probe_single_connector_modes(connector, 0, 0);
700
701 /* Disable the crtc to ensure a full modeset is
702 * performed whenever it's turned on again. */
703 if (crtc) {
704 struct drm_mode_set modeset = {
705 .crtc = crtc,
706 };
707
708 crtc->funcs->set_config(&modeset);
709 }
710 }
711
712 return 0;
713 }
714
715 static void nv17_tv_destroy(struct drm_encoder *encoder)
716 {
717 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
718
719 NV_DEBUG_KMS(encoder->dev, "\n");
720
721 drm_encoder_cleanup(encoder);
722 kfree(tv_enc);
723 }
724
725 static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
726 .dpms = nv17_tv_dpms,
727 .save = nv17_tv_save,
728 .restore = nv17_tv_restore,
729 .mode_fixup = nv17_tv_mode_fixup,
730 .prepare = nv17_tv_prepare,
731 .commit = nv17_tv_commit,
732 .mode_set = nv17_tv_mode_set,
733 .detect = nv17_tv_detect,
734 };
735
736 static struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
737 .get_modes = nv17_tv_get_modes,
738 .mode_valid = nv17_tv_mode_valid,
739 .create_resources = nv17_tv_create_resources,
740 .set_property = nv17_tv_set_property,
741 };
742
743 static struct drm_encoder_funcs nv17_tv_funcs = {
744 .destroy = nv17_tv_destroy,
745 };
746
747 int nv17_tv_create(struct drm_device *dev, struct dcb_entry *entry)
748 {
749 struct drm_encoder *encoder;
750 struct nv17_tv_encoder *tv_enc = NULL;
751
752 tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
753 if (!tv_enc)
754 return -ENOMEM;
755
756 tv_enc->overscan = 50;
757 tv_enc->flicker = 50;
758 tv_enc->saturation = 50;
759 tv_enc->hue = 0;
760 tv_enc->tv_norm = TV_NORM_PAL;
761 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
762 tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
763 tv_enc->pin_mask = 0;
764
765 encoder = to_drm_encoder(&tv_enc->base);
766
767 tv_enc->base.dcb = entry;
768 tv_enc->base.or = ffs(entry->or) - 1;
769
770 drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC);
771 drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
772 to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
773
774 encoder->possible_crtcs = entry->heads;
775 encoder->possible_clones = 0;
776
777 return 0;
778 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree