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 <drm/drm_crtc_helper.h>
28 #include <drm/drm_modeset_helper_vtables.h>
29 #include <drm/drm_probe_helper.h>
30 #include "nouveau_drv.h"
31 #include "nouveau_reg.h"
32 #include "nouveau_encoder.h"
33 #include "nouveau_connector.h"
34 #include "nouveau_crtc.h"
35 #include "hw.h"
36 #include "tvnv17.h"
37
38 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
39 "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
40 "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
41 "\t\tDefault: PAL\n"
42 "\t\t*NOTE* Ignored for cards with external TV encoders.");
43 static char *nouveau_tv_norm;
44 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
45
nv42_tv_sample_load(struct drm_encoder * encoder)46 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
47 {
48 struct drm_device *dev = encoder->dev;
49 struct nouveau_drm *drm = nouveau_drm(dev);
50 struct nvkm_gpio *gpio = nvxx_gpio(drm);
51 uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
52 uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
53 fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
54 uint32_t sample = 0;
55 int head;
56
57 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
58 testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
59 if (drm->vbios.tvdactestval)
60 testval = drm->vbios.tvdactestval;
61
62 dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
63 head = (dacclk & 0x100) >> 8;
64
65 /* Save the previous state. */
66 gpio1 = nvkm_gpio_get(gpio, 0, DCB_GPIO_TVDAC1, 0xff);
67 gpio0 = nvkm_gpio_get(gpio, 0, DCB_GPIO_TVDAC0, 0xff);
68 fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
69 fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
70 fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
71 fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
72 test_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
73 ctv_1c = NVReadRAMDAC(dev, head, 0x680c1c);
74 ctv_14 = NVReadRAMDAC(dev, head, 0x680c14);
75 ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
76
77 /* Prepare the DAC for load detection. */
78 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, true);
79 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, true);
80
81 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
82 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
83 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, 1183);
84 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL,
85 NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
86 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12 |
87 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
88 NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS |
89 NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS);
90
91 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, 0);
92
93 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
94 (dacclk & ~0xff) | 0x22);
95 msleep(1);
96 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
97 (dacclk & ~0xff) | 0x21);
98
99 NVWriteRAMDAC(dev, head, 0x680c1c, 1 << 20);
100 NVWriteRAMDAC(dev, head, 0x680c14, 4 << 16);
101
102 /* Sample pin 0x4 (usually S-video luma). */
103 NVWriteRAMDAC(dev, head, 0x680c6c, testval >> 10 & 0x3ff);
104 msleep(20);
105 sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
106 & 0x4 << 28;
107
108 /* Sample the remaining pins. */
109 NVWriteRAMDAC(dev, head, 0x680c6c, testval & 0x3ff);
110 msleep(20);
111 sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
112 & 0xa << 28;
113
114 /* Restore the previous state. */
115 NVWriteRAMDAC(dev, head, 0x680c1c, ctv_1c);
116 NVWriteRAMDAC(dev, head, 0x680c14, ctv_14);
117 NVWriteRAMDAC(dev, head, 0x680c6c, ctv_6c);
118 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, dacclk);
119 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, test_ctrl);
120 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, fp_control);
121 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
122 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
123 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
124 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, gpio1);
125 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, gpio0);
126
127 return sample;
128 }
129
130 static bool
get_tv_detect_quirks(struct drm_device * dev,uint32_t * pin_mask)131 get_tv_detect_quirks(struct drm_device *dev, uint32_t *pin_mask)
132 {
133 struct nouveau_drm *drm = nouveau_drm(dev);
134 struct nvkm_device *device = nvxx_device(drm);
135
136 if (device->quirk && device->quirk->tv_pin_mask) {
137 *pin_mask = device->quirk->tv_pin_mask;
138 return false;
139 }
140
141 return true;
142 }
143
144 static enum drm_connector_status
nv17_tv_detect(struct drm_encoder * encoder,struct drm_connector * connector)145 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
146 {
147 struct drm_device *dev = encoder->dev;
148 struct nouveau_drm *drm = nouveau_drm(dev);
149 struct drm_mode_config *conf = &dev->mode_config;
150 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
151 struct dcb_output *dcb = tv_enc->base.dcb;
152 bool reliable = get_tv_detect_quirks(dev, &tv_enc->pin_mask);
153
154 if (nv04_dac_in_use(encoder))
155 return connector_status_disconnected;
156
157 if (reliable) {
158 if (drm->client.device.info.chipset == 0x42 ||
159 drm->client.device.info.chipset == 0x43)
160 tv_enc->pin_mask =
161 nv42_tv_sample_load(encoder) >> 28 & 0xe;
162 else
163 tv_enc->pin_mask =
164 nv17_dac_sample_load(encoder) >> 28 & 0xe;
165 }
166
167 switch (tv_enc->pin_mask) {
168 case 0x2:
169 case 0x4:
170 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Composite;
171 break;
172 case 0xc:
173 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
174 break;
175 case 0xe:
176 if (dcb->tvconf.has_component_output)
177 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
178 else
179 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
180 break;
181 default:
182 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
183 break;
184 }
185
186 drm_object_property_set_value(&connector->base,
187 conf->tv_subconnector_property,
188 tv_enc->subconnector);
189
190 if (!reliable) {
191 return connector_status_unknown;
192 } else if (tv_enc->subconnector) {
193 NV_INFO(drm, "Load detected on output %c\n",
194 '@' + ffs(dcb->or));
195 return connector_status_connected;
196 } else {
197 return connector_status_disconnected;
198 }
199 }
200
nv17_tv_get_ld_modes(struct drm_encoder * encoder,struct drm_connector * connector)201 static int nv17_tv_get_ld_modes(struct drm_encoder *encoder,
202 struct drm_connector *connector)
203 {
204 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
205 const struct drm_display_mode *tv_mode;
206 int n = 0;
207
208 for (tv_mode = nv17_tv_modes; tv_mode->hdisplay; tv_mode++) {
209 struct drm_display_mode *mode;
210
211 mode = drm_mode_duplicate(encoder->dev, tv_mode);
212 if (!mode)
213 continue;
214
215 mode->clock = tv_norm->tv_enc_mode.vrefresh *
216 mode->htotal / 1000 *
217 mode->vtotal / 1000;
218
219 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
220 mode->clock *= 2;
221
222 if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
223 mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
224 mode->type |= DRM_MODE_TYPE_PREFERRED;
225
226 drm_mode_probed_add(connector, mode);
227 n++;
228 }
229
230 return n;
231 }
232
nv17_tv_get_hd_modes(struct drm_encoder * encoder,struct drm_connector * connector)233 static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
234 struct drm_connector *connector)
235 {
236 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
237 struct drm_display_mode *output_mode = &tv_norm->ctv_enc_mode.mode;
238 struct drm_display_mode *mode;
239 const struct {
240 int hdisplay;
241 int vdisplay;
242 } modes[] = {
243 { 640, 400 },
244 { 640, 480 },
245 { 720, 480 },
246 { 720, 576 },
247 { 800, 600 },
248 { 1024, 768 },
249 { 1280, 720 },
250 { 1280, 1024 },
251 { 1920, 1080 }
252 };
253 int i, n = 0;
254
255 for (i = 0; i < ARRAY_SIZE(modes); i++) {
256 if (modes[i].hdisplay > output_mode->hdisplay ||
257 modes[i].vdisplay > output_mode->vdisplay)
258 continue;
259
260 if (modes[i].hdisplay == output_mode->hdisplay &&
261 modes[i].vdisplay == output_mode->vdisplay) {
262 mode = drm_mode_duplicate(encoder->dev, output_mode);
263 if (!mode)
264 continue;
265 mode->type |= DRM_MODE_TYPE_PREFERRED;
266
267 } else {
268 mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
269 modes[i].vdisplay, 60, false,
270 (output_mode->flags &
271 DRM_MODE_FLAG_INTERLACE), false);
272 if (!mode)
273 continue;
274 }
275
276 /* CVT modes are sometimes unsuitable... */
277 if (output_mode->hdisplay <= 720
278 || output_mode->hdisplay >= 1920) {
279 mode->htotal = output_mode->htotal;
280 mode->hsync_start = (mode->hdisplay + (mode->htotal
281 - mode->hdisplay) * 9 / 10) & ~7;
282 mode->hsync_end = mode->hsync_start + 8;
283 }
284
285 if (output_mode->vdisplay >= 1024) {
286 mode->vtotal = output_mode->vtotal;
287 mode->vsync_start = output_mode->vsync_start;
288 mode->vsync_end = output_mode->vsync_end;
289 }
290
291 mode->type |= DRM_MODE_TYPE_DRIVER;
292 drm_mode_probed_add(connector, mode);
293 n++;
294 }
295
296 return n;
297 }
298
nv17_tv_get_modes(struct drm_encoder * encoder,struct drm_connector * connector)299 static int nv17_tv_get_modes(struct drm_encoder *encoder,
300 struct drm_connector *connector)
301 {
302 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
303
304 if (tv_norm->kind == CTV_ENC_MODE)
305 return nv17_tv_get_hd_modes(encoder, connector);
306 else
307 return nv17_tv_get_ld_modes(encoder, connector);
308 }
309
nv17_tv_mode_valid(struct drm_encoder * encoder,struct drm_display_mode * mode)310 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
311 struct drm_display_mode *mode)
312 {
313 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
314
315 if (tv_norm->kind == CTV_ENC_MODE) {
316 struct drm_display_mode *output_mode =
317 &tv_norm->ctv_enc_mode.mode;
318
319 if (mode->clock > 400000)
320 return MODE_CLOCK_HIGH;
321
322 if (mode->hdisplay > output_mode->hdisplay ||
323 mode->vdisplay > output_mode->vdisplay)
324 return MODE_BAD;
325
326 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
327 (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
328 return MODE_NO_INTERLACE;
329
330 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
331 return MODE_NO_DBLESCAN;
332
333 } else {
334 const int vsync_tolerance = 600;
335
336 if (mode->clock > 70000)
337 return MODE_CLOCK_HIGH;
338
339 if (abs(drm_mode_vrefresh(mode) * 1000 -
340 tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
341 return MODE_VSYNC;
342
343 /* The encoder takes care of the actual interlacing */
344 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
345 return MODE_NO_INTERLACE;
346 }
347
348 return MODE_OK;
349 }
350
nv17_tv_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)351 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
352 const struct drm_display_mode *mode,
353 struct drm_display_mode *adjusted_mode)
354 {
355 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
356
357 if (nv04_dac_in_use(encoder))
358 return false;
359
360 if (tv_norm->kind == CTV_ENC_MODE)
361 adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
362 else
363 adjusted_mode->clock = 90000;
364
365 return true;
366 }
367
nv17_tv_dpms(struct drm_encoder * encoder,int mode)368 static void nv17_tv_dpms(struct drm_encoder *encoder, int mode)
369 {
370 struct drm_device *dev = encoder->dev;
371 struct nouveau_drm *drm = nouveau_drm(dev);
372 struct nvkm_gpio *gpio = nvxx_gpio(drm);
373 struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
374 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
375
376 if (nouveau_encoder(encoder)->last_dpms == mode)
377 return;
378 nouveau_encoder(encoder)->last_dpms = mode;
379
380 NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
381 mode, nouveau_encoder(encoder)->dcb->index);
382
383 regs->ptv_200 &= ~1;
384
385 if (tv_norm->kind == CTV_ENC_MODE) {
386 nv04_dfp_update_fp_control(encoder, mode);
387
388 } else {
389 nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
390
391 if (mode == DRM_MODE_DPMS_ON)
392 regs->ptv_200 |= 1;
393 }
394
395 nv_load_ptv(dev, regs, 200);
396
397 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, mode == DRM_MODE_DPMS_ON);
398 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, mode == DRM_MODE_DPMS_ON);
399
400 nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
401 }
402
nv17_tv_prepare(struct drm_encoder * encoder)403 static void nv17_tv_prepare(struct drm_encoder *encoder)
404 {
405 struct drm_device *dev = encoder->dev;
406 struct nouveau_drm *drm = nouveau_drm(dev);
407 const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
408 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
409 int head = nouveau_crtc(encoder->crtc)->index;
410 uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[
411 NV_CIO_CRE_LCD__INDEX];
412 uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
413 nv04_dac_output_offset(encoder);
414 uint32_t dacclk;
415
416 helper->dpms(encoder, DRM_MODE_DPMS_OFF);
417
418 nv04_dfp_disable(dev, head);
419
420 /* Unbind any FP encoders from this head if we need the FP
421 * stuff enabled. */
422 if (tv_norm->kind == CTV_ENC_MODE) {
423 struct drm_encoder *enc;
424
425 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
426 struct dcb_output *dcb = nouveau_encoder(enc)->dcb;
427
428 if ((dcb->type == DCB_OUTPUT_TMDS ||
429 dcb->type == DCB_OUTPUT_LVDS) &&
430 !enc->crtc &&
431 nv04_dfp_get_bound_head(dev, dcb) == head) {
432 nv04_dfp_bind_head(dev, dcb, head ^ 1,
433 drm->vbios.fp.dual_link);
434 }
435 }
436
437 }
438
439 if (tv_norm->kind == CTV_ENC_MODE)
440 *cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
441
442 /* Set the DACCLK register */
443 dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
444
445 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE)
446 dacclk |= 0x1a << 16;
447
448 if (tv_norm->kind == CTV_ENC_MODE) {
449 dacclk |= 0x20;
450
451 if (head)
452 dacclk |= 0x100;
453 else
454 dacclk &= ~0x100;
455
456 } else {
457 dacclk |= 0x10;
458
459 }
460
461 NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
462 }
463
nv17_tv_mode_set(struct drm_encoder * encoder,struct drm_display_mode * drm_mode,struct drm_display_mode * adjusted_mode)464 static void nv17_tv_mode_set(struct drm_encoder *encoder,
465 struct drm_display_mode *drm_mode,
466 struct drm_display_mode *adjusted_mode)
467 {
468 struct drm_device *dev = encoder->dev;
469 struct nouveau_drm *drm = nouveau_drm(dev);
470 int head = nouveau_crtc(encoder->crtc)->index;
471 struct nv04_crtc_reg *regs = &nv04_display(dev)->mode_reg.crtc_reg[head];
472 struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
473 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
474 int i;
475
476 regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
477 regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
478 regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
479 regs->tv_setup = 1;
480 regs->ramdac_8c0 = 0x0;
481
482 if (tv_norm->kind == TV_ENC_MODE) {
483 tv_regs->ptv_200 = 0x13111100;
484 if (head)
485 tv_regs->ptv_200 |= 0x10;
486
487 tv_regs->ptv_20c = 0x808010;
488 tv_regs->ptv_304 = 0x2d00000;
489 tv_regs->ptv_600 = 0x0;
490 tv_regs->ptv_60c = 0x0;
491 tv_regs->ptv_610 = 0x1e00000;
492
493 if (tv_norm->tv_enc_mode.vdisplay == 576) {
494 tv_regs->ptv_508 = 0x1200000;
495 tv_regs->ptv_614 = 0x33;
496
497 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
498 tv_regs->ptv_508 = 0xf00000;
499 tv_regs->ptv_614 = 0x13;
500 }
501
502 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_RANKINE) {
503 tv_regs->ptv_500 = 0xe8e0;
504 tv_regs->ptv_504 = 0x1710;
505 tv_regs->ptv_604 = 0x0;
506 tv_regs->ptv_608 = 0x0;
507 } else {
508 if (tv_norm->tv_enc_mode.vdisplay == 576) {
509 tv_regs->ptv_604 = 0x20;
510 tv_regs->ptv_608 = 0x10;
511 tv_regs->ptv_500 = 0x19710;
512 tv_regs->ptv_504 = 0x68f0;
513
514 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
515 tv_regs->ptv_604 = 0x10;
516 tv_regs->ptv_608 = 0x20;
517 tv_regs->ptv_500 = 0x4b90;
518 tv_regs->ptv_504 = 0x1b480;
519 }
520 }
521
522 for (i = 0; i < 0x40; i++)
523 tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
524
525 } else {
526 struct drm_display_mode *output_mode =
527 &tv_norm->ctv_enc_mode.mode;
528
529 /* The registers in PRAMDAC+0xc00 control some timings and CSC
530 * parameters for the CTV encoder (It's only used for "HD" TV
531 * modes, I don't think I have enough working to guess what
532 * they exactly mean...), it's probably connected at the
533 * output of the FP encoder, but it also needs the analog
534 * encoder in its OR enabled and routed to the head it's
535 * using. It's enabled with the DACCLK register, bits [5:4].
536 */
537 for (i = 0; i < 38; i++)
538 regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
539
540 regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
541 regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
542 regs->fp_horiz_regs[FP_SYNC_START] =
543 output_mode->hsync_start - 1;
544 regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
545 regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
546 max((output_mode->hdisplay-600)/40 - 1, 1);
547
548 regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
549 regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
550 regs->fp_vert_regs[FP_SYNC_START] =
551 output_mode->vsync_start - 1;
552 regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
553 regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
554
555 regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
556 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
557 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
558
559 if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
560 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
561 if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
562 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
563
564 regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
565 NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
566 NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
567 NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
568 NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
569 NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
570 NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
571
572 regs->fp_debug_2 = 0;
573
574 regs->fp_margin_color = 0x801080;
575
576 }
577 }
578
nv17_tv_commit(struct drm_encoder * encoder)579 static void nv17_tv_commit(struct drm_encoder *encoder)
580 {
581 struct drm_device *dev = encoder->dev;
582 struct nouveau_drm *drm = nouveau_drm(dev);
583 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
584 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
585 const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
586
587 if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
588 nv17_tv_update_rescaler(encoder);
589 nv17_tv_update_properties(encoder);
590 } else {
591 nv17_ctv_update_rescaler(encoder);
592 }
593
594 nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
595
596 /* This could use refinement for flatpanels, but it should work */
597 if (drm->client.device.info.chipset < 0x44)
598 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
599 nv04_dac_output_offset(encoder),
600 0xf0000000);
601 else
602 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
603 nv04_dac_output_offset(encoder),
604 0x00100000);
605
606 helper->dpms(encoder, DRM_MODE_DPMS_ON);
607
608 NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
609 nv04_encoder_get_connector(nv_encoder)->base.name,
610 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
611 }
612
nv17_tv_save(struct drm_encoder * encoder)613 static void nv17_tv_save(struct drm_encoder *encoder)
614 {
615 struct drm_device *dev = encoder->dev;
616 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
617
618 nouveau_encoder(encoder)->restore.output =
619 NVReadRAMDAC(dev, 0,
620 NV_PRAMDAC_DACCLK +
621 nv04_dac_output_offset(encoder));
622
623 nv17_tv_state_save(dev, &tv_enc->saved_state);
624
625 tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
626 }
627
nv17_tv_restore(struct drm_encoder * encoder)628 static void nv17_tv_restore(struct drm_encoder *encoder)
629 {
630 struct drm_device *dev = encoder->dev;
631
632 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
633 nv04_dac_output_offset(encoder),
634 nouveau_encoder(encoder)->restore.output);
635
636 nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
637
638 nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
639 }
640
nv17_tv_create_resources(struct drm_encoder * encoder,struct drm_connector * connector)641 static int nv17_tv_create_resources(struct drm_encoder *encoder,
642 struct drm_connector *connector)
643 {
644 struct drm_device *dev = encoder->dev;
645 struct nouveau_drm *drm = nouveau_drm(dev);
646 struct drm_mode_config *conf = &dev->mode_config;
647 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
648 struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
649 int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
650 NUM_LD_TV_NORMS;
651 int i;
652
653 if (nouveau_tv_norm) {
654 i = match_string(nv17_tv_norm_names, num_tv_norms,
655 nouveau_tv_norm);
656 if (i < 0)
657 NV_WARN(drm, "Invalid TV norm setting \"%s\"\n",
658 nouveau_tv_norm);
659 else
660 tv_enc->tv_norm = i;
661 }
662
663 drm_mode_create_tv_properties_legacy(dev, num_tv_norms, nv17_tv_norm_names);
664
665 drm_object_attach_property(&connector->base,
666 conf->tv_select_subconnector_property,
667 tv_enc->select_subconnector);
668 drm_object_attach_property(&connector->base,
669 conf->tv_subconnector_property,
670 tv_enc->subconnector);
671 drm_object_attach_property(&connector->base,
672 conf->legacy_tv_mode_property,
673 tv_enc->tv_norm);
674 drm_object_attach_property(&connector->base,
675 conf->tv_flicker_reduction_property,
676 tv_enc->flicker);
677 drm_object_attach_property(&connector->base,
678 conf->tv_saturation_property,
679 tv_enc->saturation);
680 drm_object_attach_property(&connector->base,
681 conf->tv_hue_property,
682 tv_enc->hue);
683 drm_object_attach_property(&connector->base,
684 conf->tv_overscan_property,
685 tv_enc->overscan);
686
687 return 0;
688 }
689
nv17_tv_set_property(struct drm_encoder * encoder,struct drm_connector * connector,struct drm_property * property,uint64_t val)690 static int nv17_tv_set_property(struct drm_encoder *encoder,
691 struct drm_connector *connector,
692 struct drm_property *property,
693 uint64_t val)
694 {
695 struct drm_mode_config *conf = &encoder->dev->mode_config;
696 struct drm_crtc *crtc = encoder->crtc;
697 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
698 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
699 bool modes_changed = false;
700
701 if (property == conf->tv_overscan_property) {
702 tv_enc->overscan = val;
703 if (encoder->crtc) {
704 if (tv_norm->kind == CTV_ENC_MODE)
705 nv17_ctv_update_rescaler(encoder);
706 else
707 nv17_tv_update_rescaler(encoder);
708 }
709
710 } else if (property == conf->tv_saturation_property) {
711 if (tv_norm->kind != TV_ENC_MODE)
712 return -EINVAL;
713
714 tv_enc->saturation = val;
715 nv17_tv_update_properties(encoder);
716
717 } else if (property == conf->tv_hue_property) {
718 if (tv_norm->kind != TV_ENC_MODE)
719 return -EINVAL;
720
721 tv_enc->hue = val;
722 nv17_tv_update_properties(encoder);
723
724 } else if (property == conf->tv_flicker_reduction_property) {
725 if (tv_norm->kind != TV_ENC_MODE)
726 return -EINVAL;
727
728 tv_enc->flicker = val;
729 if (encoder->crtc)
730 nv17_tv_update_rescaler(encoder);
731
732 } else if (property == conf->legacy_tv_mode_property) {
733 if (connector->dpms != DRM_MODE_DPMS_OFF)
734 return -EINVAL;
735
736 tv_enc->tv_norm = val;
737
738 modes_changed = true;
739
740 } else if (property == conf->tv_select_subconnector_property) {
741 if (tv_norm->kind != TV_ENC_MODE)
742 return -EINVAL;
743
744 tv_enc->select_subconnector = val;
745 nv17_tv_update_properties(encoder);
746
747 } else {
748 return -EINVAL;
749 }
750
751 if (modes_changed) {
752 drm_helper_probe_single_connector_modes(connector, 0, 0);
753
754 /* Disable the crtc to ensure a full modeset is
755 * performed whenever it's turned on again. */
756 if (crtc)
757 drm_crtc_helper_set_mode(crtc, &crtc->mode,
758 crtc->x, crtc->y,
759 crtc->primary->fb);
760 }
761
762 return 0;
763 }
764
nv17_tv_destroy(struct drm_encoder * encoder)765 static void nv17_tv_destroy(struct drm_encoder *encoder)
766 {
767 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
768
769 drm_encoder_cleanup(encoder);
770 kfree(tv_enc);
771 }
772
773 static const struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
774 .dpms = nv17_tv_dpms,
775 .mode_fixup = nv17_tv_mode_fixup,
776 .prepare = nv17_tv_prepare,
777 .commit = nv17_tv_commit,
778 .mode_set = nv17_tv_mode_set,
779 .detect = nv17_tv_detect,
780 };
781
782 static const struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
783 .get_modes = nv17_tv_get_modes,
784 .mode_valid = nv17_tv_mode_valid,
785 .create_resources = nv17_tv_create_resources,
786 .set_property = nv17_tv_set_property,
787 };
788
789 static const struct drm_encoder_funcs nv17_tv_funcs = {
790 .destroy = nv17_tv_destroy,
791 };
792
793 int
nv17_tv_create(struct drm_connector * connector,struct dcb_output * entry)794 nv17_tv_create(struct drm_connector *connector, struct dcb_output *entry)
795 {
796 struct drm_device *dev = connector->dev;
797 struct drm_encoder *encoder;
798 struct nv17_tv_encoder *tv_enc = NULL;
799
800 tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
801 if (!tv_enc)
802 return -ENOMEM;
803
804 tv_enc->overscan = 50;
805 tv_enc->flicker = 50;
806 tv_enc->saturation = 50;
807 tv_enc->hue = 0;
808 tv_enc->tv_norm = TV_NORM_PAL;
809 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
810 tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
811 tv_enc->pin_mask = 0;
812
813 encoder = to_drm_encoder(&tv_enc->base);
814
815 tv_enc->base.dcb = entry;
816 tv_enc->base.or = ffs(entry->or) - 1;
817
818 drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC,
819 NULL);
820 drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
821 to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
822
823 tv_enc->base.enc_save = nv17_tv_save;
824 tv_enc->base.enc_restore = nv17_tv_restore;
825
826 encoder->possible_crtcs = entry->heads;
827 encoder->possible_clones = 0;
828
829 nv17_tv_create_resources(encoder, connector);
830 drm_connector_attach_encoder(connector, encoder);
831 return 0;
832 }
833