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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / gpu / drm / nouveau / nv17_tv.c
blob696d7e7dc2a07facbfed838a637600ad5c15d880
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_gpio.h"
34 #include "nouveau_hw.h"
35 #include "nv17_tv.h"
36
37 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
38 {
39 struct drm_device *dev = encoder->dev;
40 struct drm_nouveau_private *dev_priv = dev->dev_private;
41 uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
42 uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
43 fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
44 uint32_t sample = 0;
45 int head;
46
47 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
48 testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
49 if (dev_priv->vbios.tvdactestval)
50 testval = dev_priv->vbios.tvdactestval;
51
52 dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
53 head = (dacclk & 0x100) >> 8;
54
55 /* Save the previous state. */
56 gpio1 = nouveau_gpio_func_get(dev, DCB_GPIO_TVDAC1);
57 gpio0 = nouveau_gpio_func_get(dev, DCB_GPIO_TVDAC0);
58 fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
59 fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
60 fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
61 fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
62 test_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
63 ctv_1c = NVReadRAMDAC(dev, head, 0x680c1c);
64 ctv_14 = NVReadRAMDAC(dev, head, 0x680c14);
65 ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
66
67 /* Prepare the DAC for load detection. */
68 nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, true);
69 nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, true);
70
71 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
72 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
73 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, 1183);
74 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL,
75 NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
76 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12 |
77 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
78 NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS |
79 NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS);
80
81 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, 0);
82
83 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
84 (dacclk & ~0xff) | 0x22);
85 msleep(1);
86 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
87 (dacclk & ~0xff) | 0x21);
88
89 NVWriteRAMDAC(dev, head, 0x680c1c, 1 << 20);
90 NVWriteRAMDAC(dev, head, 0x680c14, 4 << 16);
91
92 /* Sample pin 0x4 (usually S-video luma). */
93 NVWriteRAMDAC(dev, head, 0x680c6c, testval >> 10 & 0x3ff);
94 msleep(20);
95 sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
96 & 0x4 << 28;
97
98 /* Sample the remaining pins. */
99 NVWriteRAMDAC(dev, head, 0x680c6c, testval & 0x3ff);
100 msleep(20);
101 sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
102 & 0xa << 28;
103
104 /* Restore the previous state. */
105 NVWriteRAMDAC(dev, head, 0x680c1c, ctv_1c);
106 NVWriteRAMDAC(dev, head, 0x680c14, ctv_14);
107 NVWriteRAMDAC(dev, head, 0x680c6c, ctv_6c);
108 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, dacclk);
109 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, test_ctrl);
110 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, fp_control);
111 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
112 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
113 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
114 nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, gpio1);
115 nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, gpio0);
116
117 return sample;
118 }
119
120 static bool
121 get_tv_detect_quirks(struct drm_device *dev, uint32_t *pin_mask)
122 {
123 /* Zotac FX5200 */
124 if (nv_match_device(dev, 0x0322, 0x19da, 0x1035) ||
125 nv_match_device(dev, 0x0322, 0x19da, 0x2035)) {
126 *pin_mask = 0xc;
127 return false;
128 }
129
130 /* MSI nForce2 IGP */
131 if (nv_match_device(dev, 0x01f0, 0x1462, 0x5710)) {
132 *pin_mask = 0xc;
133 return false;
134 }
135
136 return true;
137 }
138
139 static enum drm_connector_status
140 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
141 {
142 struct drm_device *dev = encoder->dev;
143 struct drm_nouveau_private *dev_priv = dev->dev_private;
144 struct drm_mode_config *conf = &dev->mode_config;
145 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
146 struct dcb_entry *dcb = tv_enc->base.dcb;
147 bool reliable = get_tv_detect_quirks(dev, &tv_enc->pin_mask);
148
149 if (nv04_dac_in_use(encoder))
150 return connector_status_disconnected;
151
152 if (reliable) {
153 if (dev_priv->chipset == 0x42 ||
154 dev_priv->chipset == 0x43)
155 tv_enc->pin_mask =
156 nv42_tv_sample_load(encoder) >> 28 & 0xe;
157 else
158 tv_enc->pin_mask =
159 nv17_dac_sample_load(encoder) >> 28 & 0xe;
160 }
161
162 switch (tv_enc->pin_mask) {
163 case 0x2:
164 case 0x4:
165 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Composite;
166 break;
167 case 0xc:
168 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
169 break;
170 case 0xe:
171 if (dcb->tvconf.has_component_output)
172 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
173 else
174 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
175 break;
176 default:
177 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
178 break;
179 }
180
181 drm_connector_property_set_value(connector,
182 conf->tv_subconnector_property,
183 tv_enc->subconnector);
184
185 if (!reliable) {
186 return connector_status_unknown;
187 } else if (tv_enc->subconnector) {
188 NV_INFO(dev, "Load detected on output %c\n",
189 '@' + ffs(dcb->or));
190 return connector_status_connected;
191 } else {
192 return connector_status_disconnected;
193 }
194 }
195
196 static int nv17_tv_get_ld_modes(struct drm_encoder *encoder,
197 struct drm_connector *connector)
198 {
199 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
200 const struct drm_display_mode *tv_mode;
201 int n = 0;
202
203 for (tv_mode = nv17_tv_modes; tv_mode->hdisplay; tv_mode++) {
204 struct drm_display_mode *mode;
205
206 mode = drm_mode_duplicate(encoder->dev, tv_mode);
207
208 mode->clock = tv_norm->tv_enc_mode.vrefresh *
209 mode->htotal / 1000 *
210 mode->vtotal / 1000;
211
212 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
213 mode->clock *= 2;
214
215 if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
216 mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
217 mode->type |= DRM_MODE_TYPE_PREFERRED;
218
219 drm_mode_probed_add(connector, mode);
220 n++;
221 }
222
223 return n;
224 }
225
226 static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
227 struct drm_connector *connector)
228 {
229 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
230 struct drm_display_mode *output_mode = &tv_norm->ctv_enc_mode.mode;
231 struct drm_display_mode *mode;
232 const struct {
233 int hdisplay;
234 int vdisplay;
235 } modes[] = {
236 { 640, 400 },
237 { 640, 480 },
238 { 720, 480 },
239 { 720, 576 },
240 { 800, 600 },
241 { 1024, 768 },
242 { 1280, 720 },
243 { 1280, 1024 },
244 { 1920, 1080 }
245 };
246 int i, n = 0;
247
248 for (i = 0; i < ARRAY_SIZE(modes); i++) {
249 if (modes[i].hdisplay > output_mode->hdisplay ||
250 modes[i].vdisplay > output_mode->vdisplay)
251 continue;
252
253 if (modes[i].hdisplay == output_mode->hdisplay &&
254 modes[i].vdisplay == output_mode->vdisplay) {
255 mode = drm_mode_duplicate(encoder->dev, output_mode);
256 mode->type |= DRM_MODE_TYPE_PREFERRED;
257
258 } else {
259 mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
260 modes[i].vdisplay, 60, false,
261 (output_mode->flags &
262 DRM_MODE_FLAG_INTERLACE), false);
263 }
264
265 /* CVT modes are sometimes unsuitable... */
266 if (output_mode->hdisplay <= 720
267 || output_mode->hdisplay >= 1920) {
268 mode->htotal = output_mode->htotal;
269 mode->hsync_start = (mode->hdisplay + (mode->htotal
270 - mode->hdisplay) * 9 / 10) & ~7;
271 mode->hsync_end = mode->hsync_start + 8;
272 }
273
274 if (output_mode->vdisplay >= 1024) {
275 mode->vtotal = output_mode->vtotal;
276 mode->vsync_start = output_mode->vsync_start;
277 mode->vsync_end = output_mode->vsync_end;
278 }
279
280 mode->type |= DRM_MODE_TYPE_DRIVER;
281 drm_mode_probed_add(connector, mode);
282 n++;
283 }
284
285 return n;
286 }
287
288 static int nv17_tv_get_modes(struct drm_encoder *encoder,
289 struct drm_connector *connector)
290 {
291 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
292
293 if (tv_norm->kind == CTV_ENC_MODE)
294 return nv17_tv_get_hd_modes(encoder, connector);
295 else
296 return nv17_tv_get_ld_modes(encoder, connector);
297 }
298
299 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
300 struct drm_display_mode *mode)
301 {
302 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
303
304 if (tv_norm->kind == CTV_ENC_MODE) {
305 struct drm_display_mode *output_mode =
306 &tv_norm->ctv_enc_mode.mode;
307
308 if (mode->clock > 400000)
309 return MODE_CLOCK_HIGH;
310
311 if (mode->hdisplay > output_mode->hdisplay ||
312 mode->vdisplay > output_mode->vdisplay)
313 return MODE_BAD;
314
315 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
316 (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
317 return MODE_NO_INTERLACE;
318
319 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
320 return MODE_NO_DBLESCAN;
321
322 } else {
323 const int vsync_tolerance = 600;
324
325 if (mode->clock > 70000)
326 return MODE_CLOCK_HIGH;
327
328 if (abs(drm_mode_vrefresh(mode) * 1000 -
329 tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
330 return MODE_VSYNC;
331
332 /* The encoder takes care of the actual interlacing */
333 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
334 return MODE_NO_INTERLACE;
335 }
336
337 return MODE_OK;
338 }
339
340 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
341 struct drm_display_mode *mode,
342 struct drm_display_mode *adjusted_mode)
343 {
344 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
345
346 if (nv04_dac_in_use(encoder))
347 return false;
348
349 if (tv_norm->kind == CTV_ENC_MODE)
350 adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
351 else
352 adjusted_mode->clock = 90000;
353
354 return true;
355 }
356
357 static void nv17_tv_dpms(struct drm_encoder *encoder, int mode)
358 {
359 struct drm_device *dev = encoder->dev;
360 struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
361 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
362
363 if (nouveau_encoder(encoder)->last_dpms == mode)
364 return;
365 nouveau_encoder(encoder)->last_dpms = mode;
366
367 NV_INFO(dev, "Setting dpms mode %d on TV encoder (output %d)\n",
368 mode, nouveau_encoder(encoder)->dcb->index);
369
370 regs->ptv_200 &= ~1;
371
372 if (tv_norm->kind == CTV_ENC_MODE) {
373 nv04_dfp_update_fp_control(encoder, mode);
374
375 } else {
376 nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
377
378 if (mode == DRM_MODE_DPMS_ON)
379 regs->ptv_200 |= 1;
380 }
381
382 nv_load_ptv(dev, regs, 200);
383
384 nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, mode == DRM_MODE_DPMS_ON);
385 nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, mode == DRM_MODE_DPMS_ON);
386
387 nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
388 }
389
390 static void nv17_tv_prepare(struct drm_encoder *encoder)
391 {
392 struct drm_device *dev = encoder->dev;
393 struct drm_nouveau_private *dev_priv = dev->dev_private;
394 struct drm_encoder_helper_funcs *helper = encoder->helper_private;
395 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
396 int head = nouveau_crtc(encoder->crtc)->index;
397 uint8_t *cr_lcd = &dev_priv->mode_reg.crtc_reg[head].CRTC[
398 NV_CIO_CRE_LCD__INDEX];
399 uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
400 nv04_dac_output_offset(encoder);
401 uint32_t dacclk;
402
403 helper->dpms(encoder, DRM_MODE_DPMS_OFF);
404
405 nv04_dfp_disable(dev, head);
406
407 /* Unbind any FP encoders from this head if we need the FP
408 * stuff enabled. */
409 if (tv_norm->kind == CTV_ENC_MODE) {
410 struct drm_encoder *enc;
411
412 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
413 struct dcb_entry *dcb = nouveau_encoder(enc)->dcb;
414
415 if ((dcb->type == OUTPUT_TMDS ||
416 dcb->type == OUTPUT_LVDS) &&
417 !enc->crtc &&
418 nv04_dfp_get_bound_head(dev, dcb) == head) {
419 nv04_dfp_bind_head(dev, dcb, head ^ 1,
420 dev_priv->vbios.fp.dual_link);
421 }
422 }
423
424 }
425
426 if (tv_norm->kind == CTV_ENC_MODE)
427 *cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
428
429 /* Set the DACCLK register */
430 dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
431
432 if (dev_priv->card_type == NV_40)
433 dacclk |= 0x1a << 16;
434
435 if (tv_norm->kind == CTV_ENC_MODE) {
436 dacclk |= 0x20;
437
438 if (head)
439 dacclk |= 0x100;
440 else
441 dacclk &= ~0x100;
442
443 } else {
444 dacclk |= 0x10;
445
446 }
447
448 NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
449 }
450
451 static void nv17_tv_mode_set(struct drm_encoder *encoder,
452 struct drm_display_mode *drm_mode,
453 struct drm_display_mode *adjusted_mode)
454 {
455 struct drm_device *dev = encoder->dev;
456 struct drm_nouveau_private *dev_priv = dev->dev_private;
457 int head = nouveau_crtc(encoder->crtc)->index;
458 struct nv04_crtc_reg *regs = &dev_priv->mode_reg.crtc_reg[head];
459 struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
460 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
461 int i;
462
463 regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
464 regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
465 regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
466 regs->tv_setup = 1;
467 regs->ramdac_8c0 = 0x0;
468
469 if (tv_norm->kind == TV_ENC_MODE) {
470 tv_regs->ptv_200 = 0x13111100;
471 if (head)
472 tv_regs->ptv_200 |= 0x10;
473
474 tv_regs->ptv_20c = 0x808010;
475 tv_regs->ptv_304 = 0x2d00000;
476 tv_regs->ptv_600 = 0x0;
477 tv_regs->ptv_60c = 0x0;
478 tv_regs->ptv_610 = 0x1e00000;
479
480 if (tv_norm->tv_enc_mode.vdisplay == 576) {
481 tv_regs->ptv_508 = 0x1200000;
482 tv_regs->ptv_614 = 0x33;
483
484 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
485 tv_regs->ptv_508 = 0xf00000;
486 tv_regs->ptv_614 = 0x13;
487 }
488
489 if (dev_priv->card_type >= NV_30) {
490 tv_regs->ptv_500 = 0xe8e0;
491 tv_regs->ptv_504 = 0x1710;
492 tv_regs->ptv_604 = 0x0;
493 tv_regs->ptv_608 = 0x0;
494 } else {
495 if (tv_norm->tv_enc_mode.vdisplay == 576) {
496 tv_regs->ptv_604 = 0x20;
497 tv_regs->ptv_608 = 0x10;
498 tv_regs->ptv_500 = 0x19710;
499 tv_regs->ptv_504 = 0x68f0;
500
501 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
502 tv_regs->ptv_604 = 0x10;
503 tv_regs->ptv_608 = 0x20;
504 tv_regs->ptv_500 = 0x4b90;
505 tv_regs->ptv_504 = 0x1b480;
506 }
507 }
508
509 for (i = 0; i < 0x40; i++)
510 tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
511
512 } else {
513 struct drm_display_mode *output_mode =
514 &tv_norm->ctv_enc_mode.mode;
515
516 /* The registers in PRAMDAC+0xc00 control some timings and CSC
517 * parameters for the CTV encoder (It's only used for "HD" TV
518 * modes, I don't think I have enough working to guess what
519 * they exactly mean...), it's probably connected at the
520 * output of the FP encoder, but it also needs the analog
521 * encoder in its OR enabled and routed to the head it's
522 * using. It's enabled with the DACCLK register, bits [5:4].
523 */
524 for (i = 0; i < 38; i++)
525 regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
526
527 regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
528 regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
529 regs->fp_horiz_regs[FP_SYNC_START] =
530 output_mode->hsync_start - 1;
531 regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
532 regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
533 max((output_mode->hdisplay-600)/40 - 1, 1);
534
535 regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
536 regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
537 regs->fp_vert_regs[FP_SYNC_START] =
538 output_mode->vsync_start - 1;
539 regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
540 regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
541
542 regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
543 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
544 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
545
546 if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
547 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
548 if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
549 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
550
551 regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
552 NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
553 NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
554 NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
555 NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
556 NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
557 NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
558
559 regs->fp_debug_2 = 0;
560
561 regs->fp_margin_color = 0x801080;
562
563 }
564 }
565
566 static void nv17_tv_commit(struct drm_encoder *encoder)
567 {
568 struct drm_device *dev = encoder->dev;
569 struct drm_nouveau_private *dev_priv = dev->dev_private;
570 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
571 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
572 struct drm_encoder_helper_funcs *helper = encoder->helper_private;
573
574 if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
575 nv17_tv_update_rescaler(encoder);
576 nv17_tv_update_properties(encoder);
577 } else {
578 nv17_ctv_update_rescaler(encoder);
579 }
580
581 nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
582
583 /* This could use refinement for flatpanels, but it should work */
584 if (dev_priv->chipset < 0x44)
585 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
586 nv04_dac_output_offset(encoder),
587 0xf0000000);
588 else
589 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
590 nv04_dac_output_offset(encoder),
591 0x00100000);
592
593 helper->dpms(encoder, DRM_MODE_DPMS_ON);
594
595 NV_INFO(dev, "Output %s is running on CRTC %d using output %c\n",
596 drm_get_connector_name(
597 &nouveau_encoder_connector_get(nv_encoder)->base),
598 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
599 }
600
601 static void nv17_tv_save(struct drm_encoder *encoder)
602 {
603 struct drm_device *dev = encoder->dev;
604 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
605
606 nouveau_encoder(encoder)->restore.output =
607 NVReadRAMDAC(dev, 0,
608 NV_PRAMDAC_DACCLK +
609 nv04_dac_output_offset(encoder));
610
611 nv17_tv_state_save(dev, &tv_enc->saved_state);
612
613 tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
614 }
615
616 static void nv17_tv_restore(struct drm_encoder *encoder)
617 {
618 struct drm_device *dev = encoder->dev;
619
620 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
621 nv04_dac_output_offset(encoder),
622 nouveau_encoder(encoder)->restore.output);
623
624 nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
625
626 nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
627 }
628
629 static int nv17_tv_create_resources(struct drm_encoder *encoder,
630 struct drm_connector *connector)
631 {
632 struct drm_device *dev = encoder->dev;
633 struct drm_mode_config *conf = &dev->mode_config;
634 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
635 struct dcb_entry *dcb = nouveau_encoder(encoder)->dcb;
636 int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
637 NUM_LD_TV_NORMS;
638 int i;
639
640 if (nouveau_tv_norm) {
641 for (i = 0; i < num_tv_norms; i++) {
642 if (!strcmp(nv17_tv_norm_names[i], nouveau_tv_norm)) {
643 tv_enc->tv_norm = i;
644 break;
645 }
646 }
647
648 if (i == num_tv_norms)
649 NV_WARN(dev, "Invalid TV norm setting \"%s\"\n",
650 nouveau_tv_norm);
651 }
652
653 drm_mode_create_tv_properties(dev, num_tv_norms, nv17_tv_norm_names);
654
655 drm_connector_attach_property(connector,
656 conf->tv_select_subconnector_property,
657 tv_enc->select_subconnector);
658 drm_connector_attach_property(connector,
659 conf->tv_subconnector_property,
660 tv_enc->subconnector);
661 drm_connector_attach_property(connector,
662 conf->tv_mode_property,
663 tv_enc->tv_norm);
664 drm_connector_attach_property(connector,
665 conf->tv_flicker_reduction_property,
666 tv_enc->flicker);
667 drm_connector_attach_property(connector,
668 conf->tv_saturation_property,
669 tv_enc->saturation);
670 drm_connector_attach_property(connector,
671 conf->tv_hue_property,
672 tv_enc->hue);
673 drm_connector_attach_property(connector,
674 conf->tv_overscan_property,
675 tv_enc->overscan);
676
677 return 0;
678 }
679
680 static int nv17_tv_set_property(struct drm_encoder *encoder,
681 struct drm_connector *connector,
682 struct drm_property *property,
683 uint64_t val)
684 {
685 struct drm_mode_config *conf = &encoder->dev->mode_config;
686 struct drm_crtc *crtc = encoder->crtc;
687 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
688 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
689 bool modes_changed = false;
690
691 if (property == conf->tv_overscan_property) {
692 tv_enc->overscan = val;
693 if (encoder->crtc) {
694 if (tv_norm->kind == CTV_ENC_MODE)
695 nv17_ctv_update_rescaler(encoder);
696 else
697 nv17_tv_update_rescaler(encoder);
698 }
699
700 } else if (property == conf->tv_saturation_property) {
701 if (tv_norm->kind != TV_ENC_MODE)
702 return -EINVAL;
703
704 tv_enc->saturation = val;
705 nv17_tv_update_properties(encoder);
706
707 } else if (property == conf->tv_hue_property) {
708 if (tv_norm->kind != TV_ENC_MODE)
709 return -EINVAL;
710
711 tv_enc->hue = val;
712 nv17_tv_update_properties(encoder);
713
714 } else if (property == conf->tv_flicker_reduction_property) {
715 if (tv_norm->kind != TV_ENC_MODE)
716 return -EINVAL;
717
718 tv_enc->flicker = val;
719 if (encoder->crtc)
720 nv17_tv_update_rescaler(encoder);
721
722 } else if (property == conf->tv_mode_property) {
723 if (connector->dpms != DRM_MODE_DPMS_OFF)
724 return -EINVAL;
725
726 tv_enc->tv_norm = val;
727
728 modes_changed = true;
729
730 } else if (property == conf->tv_select_subconnector_property) {
731 if (tv_norm->kind != TV_ENC_MODE)
732 return -EINVAL;
733
734 tv_enc->select_subconnector = val;
735 nv17_tv_update_properties(encoder);
736
737 } else {
738 return -EINVAL;
739 }
740
741 if (modes_changed) {
742 drm_helper_probe_single_connector_modes(connector, 0, 0);
743
744 /* Disable the crtc to ensure a full modeset is
745 * performed whenever it's turned on again. */
746 if (crtc) {
747 struct drm_mode_set modeset = {
748 .crtc = crtc,
749 };
750
751 crtc->funcs->set_config(&modeset);
752 }
753 }
754
755 return 0;
756 }
757
758 static void nv17_tv_destroy(struct drm_encoder *encoder)
759 {
760 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
761
762 NV_DEBUG_KMS(encoder->dev, "\n");
763
764 drm_encoder_cleanup(encoder);
765 kfree(tv_enc);
766 }
767
768 static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
769 .dpms = nv17_tv_dpms,
770 .save = nv17_tv_save,
771 .restore = nv17_tv_restore,
772 .mode_fixup = nv17_tv_mode_fixup,
773 .prepare = nv17_tv_prepare,
774 .commit = nv17_tv_commit,
775 .mode_set = nv17_tv_mode_set,
776 .detect = nv17_tv_detect,
777 };
778
779 static struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
780 .get_modes = nv17_tv_get_modes,
781 .mode_valid = nv17_tv_mode_valid,
782 .create_resources = nv17_tv_create_resources,
783 .set_property = nv17_tv_set_property,
784 };
785
786 static struct drm_encoder_funcs nv17_tv_funcs = {
787 .destroy = nv17_tv_destroy,
788 };
789
790 int
791 nv17_tv_create(struct drm_connector *connector, struct dcb_entry *entry)
792 {
793 struct drm_device *dev = connector->dev;
794 struct drm_encoder *encoder;
795 struct nv17_tv_encoder *tv_enc = NULL;
796
797 tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
798 if (!tv_enc)
799 return -ENOMEM;
800
801 tv_enc->overscan = 50;
802 tv_enc->flicker = 50;
803 tv_enc->saturation = 50;
804 tv_enc->hue = 0;
805 tv_enc->tv_norm = TV_NORM_PAL;
806 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
807 tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
808 tv_enc->pin_mask = 0;
809
810 encoder = to_drm_encoder(&tv_enc->base);
811
812 tv_enc->base.dcb = entry;
813 tv_enc->base.or = ffs(entry->or) - 1;
814
815 drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC);
816 drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
817 to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
818
819 encoder->possible_crtcs = entry->heads;
820 encoder->possible_clones = 0;
821
822 nv17_tv_create_resources(encoder, connector);
823 drm_mode_connector_attach_encoder(connector, encoder);
824 return 0;
825 }