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->client.device);
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->client.device);
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
213 mode->clock = tv_norm->tv_enc_mode.vrefresh *
214 mode->htotal / 1000 *
215 mode->vtotal / 1000;
216
217 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
218 mode->clock *= 2;
219
220 if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
221 mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
222 mode->type |= DRM_MODE_TYPE_PREFERRED;
223
224 drm_mode_probed_add(connector, mode);
225 n++;
226 }
227
228 return n;
229 }
230
nv17_tv_get_hd_modes(struct drm_encoder * encoder,struct drm_connector * connector)231 static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
232 struct drm_connector *connector)
233 {
234 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
235 struct drm_display_mode *output_mode = &tv_norm->ctv_enc_mode.mode;
236 struct drm_display_mode *mode;
237 const struct {
238 int hdisplay;
239 int vdisplay;
240 } modes[] = {
241 { 640, 400 },
242 { 640, 480 },
243 { 720, 480 },
244 { 720, 576 },
245 { 800, 600 },
246 { 1024, 768 },
247 { 1280, 720 },
248 { 1280, 1024 },
249 { 1920, 1080 }
250 };
251 int i, n = 0;
252
253 for (i = 0; i < ARRAY_SIZE(modes); i++) {
254 if (modes[i].hdisplay > output_mode->hdisplay ||
255 modes[i].vdisplay > output_mode->vdisplay)
256 continue;
257
258 if (modes[i].hdisplay == output_mode->hdisplay &&
259 modes[i].vdisplay == output_mode->vdisplay) {
260 mode = drm_mode_duplicate(encoder->dev, output_mode);
261 mode->type |= DRM_MODE_TYPE_PREFERRED;
262
263 } else {
264 mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
265 modes[i].vdisplay, 60, false,
266 (output_mode->flags &
267 DRM_MODE_FLAG_INTERLACE), false);
268 }
269
270 /* CVT modes are sometimes unsuitable... */
271 if (output_mode->hdisplay <= 720
272 || output_mode->hdisplay >= 1920) {
273 mode->htotal = output_mode->htotal;
274 mode->hsync_start = (mode->hdisplay + (mode->htotal
275 - mode->hdisplay) * 9 / 10) & ~7;
276 mode->hsync_end = mode->hsync_start + 8;
277 }
278
279 if (output_mode->vdisplay >= 1024) {
280 mode->vtotal = output_mode->vtotal;
281 mode->vsync_start = output_mode->vsync_start;
282 mode->vsync_end = output_mode->vsync_end;
283 }
284
285 mode->type |= DRM_MODE_TYPE_DRIVER;
286 drm_mode_probed_add(connector, mode);
287 n++;
288 }
289
290 return n;
291 }
292
nv17_tv_get_modes(struct drm_encoder * encoder,struct drm_connector * connector)293 static int nv17_tv_get_modes(struct drm_encoder *encoder,
294 struct drm_connector *connector)
295 {
296 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
297
298 if (tv_norm->kind == CTV_ENC_MODE)
299 return nv17_tv_get_hd_modes(encoder, connector);
300 else
301 return nv17_tv_get_ld_modes(encoder, connector);
302 }
303
nv17_tv_mode_valid(struct drm_encoder * encoder,struct drm_display_mode * mode)304 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
305 struct drm_display_mode *mode)
306 {
307 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
308
309 if (tv_norm->kind == CTV_ENC_MODE) {
310 struct drm_display_mode *output_mode =
311 &tv_norm->ctv_enc_mode.mode;
312
313 if (mode->clock > 400000)
314 return MODE_CLOCK_HIGH;
315
316 if (mode->hdisplay > output_mode->hdisplay ||
317 mode->vdisplay > output_mode->vdisplay)
318 return MODE_BAD;
319
320 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
321 (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
322 return MODE_NO_INTERLACE;
323
324 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
325 return MODE_NO_DBLESCAN;
326
327 } else {
328 const int vsync_tolerance = 600;
329
330 if (mode->clock > 70000)
331 return MODE_CLOCK_HIGH;
332
333 if (abs(drm_mode_vrefresh(mode) * 1000 -
334 tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
335 return MODE_VSYNC;
336
337 /* The encoder takes care of the actual interlacing */
338 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
339 return MODE_NO_INTERLACE;
340 }
341
342 return MODE_OK;
343 }
344
nv17_tv_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)345 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
346 const struct drm_display_mode *mode,
347 struct drm_display_mode *adjusted_mode)
348 {
349 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
350
351 if (nv04_dac_in_use(encoder))
352 return false;
353
354 if (tv_norm->kind == CTV_ENC_MODE)
355 adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
356 else
357 adjusted_mode->clock = 90000;
358
359 return true;
360 }
361
nv17_tv_dpms(struct drm_encoder * encoder,int mode)362 static void nv17_tv_dpms(struct drm_encoder *encoder, int mode)
363 {
364 struct drm_device *dev = encoder->dev;
365 struct nouveau_drm *drm = nouveau_drm(dev);
366 struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device);
367 struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
368 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
369
370 if (nouveau_encoder(encoder)->last_dpms == mode)
371 return;
372 nouveau_encoder(encoder)->last_dpms = mode;
373
374 NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
375 mode, nouveau_encoder(encoder)->dcb->index);
376
377 regs->ptv_200 &= ~1;
378
379 if (tv_norm->kind == CTV_ENC_MODE) {
380 nv04_dfp_update_fp_control(encoder, mode);
381
382 } else {
383 nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
384
385 if (mode == DRM_MODE_DPMS_ON)
386 regs->ptv_200 |= 1;
387 }
388
389 nv_load_ptv(dev, regs, 200);
390
391 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, mode == DRM_MODE_DPMS_ON);
392 nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, mode == DRM_MODE_DPMS_ON);
393
394 nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
395 }
396
nv17_tv_prepare(struct drm_encoder * encoder)397 static void nv17_tv_prepare(struct drm_encoder *encoder)
398 {
399 struct drm_device *dev = encoder->dev;
400 struct nouveau_drm *drm = nouveau_drm(dev);
401 const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
402 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
403 int head = nouveau_crtc(encoder->crtc)->index;
404 uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[
405 NV_CIO_CRE_LCD__INDEX];
406 uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
407 nv04_dac_output_offset(encoder);
408 uint32_t dacclk;
409
410 helper->dpms(encoder, DRM_MODE_DPMS_OFF);
411
412 nv04_dfp_disable(dev, head);
413
414 /* Unbind any FP encoders from this head if we need the FP
415 * stuff enabled. */
416 if (tv_norm->kind == CTV_ENC_MODE) {
417 struct drm_encoder *enc;
418
419 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
420 struct dcb_output *dcb = nouveau_encoder(enc)->dcb;
421
422 if ((dcb->type == DCB_OUTPUT_TMDS ||
423 dcb->type == DCB_OUTPUT_LVDS) &&
424 !enc->crtc &&
425 nv04_dfp_get_bound_head(dev, dcb) == head) {
426 nv04_dfp_bind_head(dev, dcb, head ^ 1,
427 drm->vbios.fp.dual_link);
428 }
429 }
430
431 }
432
433 if (tv_norm->kind == CTV_ENC_MODE)
434 *cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
435
436 /* Set the DACCLK register */
437 dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
438
439 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE)
440 dacclk |= 0x1a << 16;
441
442 if (tv_norm->kind == CTV_ENC_MODE) {
443 dacclk |= 0x20;
444
445 if (head)
446 dacclk |= 0x100;
447 else
448 dacclk &= ~0x100;
449
450 } else {
451 dacclk |= 0x10;
452
453 }
454
455 NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
456 }
457
nv17_tv_mode_set(struct drm_encoder * encoder,struct drm_display_mode * drm_mode,struct drm_display_mode * adjusted_mode)458 static void nv17_tv_mode_set(struct drm_encoder *encoder,
459 struct drm_display_mode *drm_mode,
460 struct drm_display_mode *adjusted_mode)
461 {
462 struct drm_device *dev = encoder->dev;
463 struct nouveau_drm *drm = nouveau_drm(dev);
464 int head = nouveau_crtc(encoder->crtc)->index;
465 struct nv04_crtc_reg *regs = &nv04_display(dev)->mode_reg.crtc_reg[head];
466 struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
467 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
468 int i;
469
470 regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
471 regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
472 regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
473 regs->tv_setup = 1;
474 regs->ramdac_8c0 = 0x0;
475
476 if (tv_norm->kind == TV_ENC_MODE) {
477 tv_regs->ptv_200 = 0x13111100;
478 if (head)
479 tv_regs->ptv_200 |= 0x10;
480
481 tv_regs->ptv_20c = 0x808010;
482 tv_regs->ptv_304 = 0x2d00000;
483 tv_regs->ptv_600 = 0x0;
484 tv_regs->ptv_60c = 0x0;
485 tv_regs->ptv_610 = 0x1e00000;
486
487 if (tv_norm->tv_enc_mode.vdisplay == 576) {
488 tv_regs->ptv_508 = 0x1200000;
489 tv_regs->ptv_614 = 0x33;
490
491 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
492 tv_regs->ptv_508 = 0xf00000;
493 tv_regs->ptv_614 = 0x13;
494 }
495
496 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_RANKINE) {
497 tv_regs->ptv_500 = 0xe8e0;
498 tv_regs->ptv_504 = 0x1710;
499 tv_regs->ptv_604 = 0x0;
500 tv_regs->ptv_608 = 0x0;
501 } else {
502 if (tv_norm->tv_enc_mode.vdisplay == 576) {
503 tv_regs->ptv_604 = 0x20;
504 tv_regs->ptv_608 = 0x10;
505 tv_regs->ptv_500 = 0x19710;
506 tv_regs->ptv_504 = 0x68f0;
507
508 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
509 tv_regs->ptv_604 = 0x10;
510 tv_regs->ptv_608 = 0x20;
511 tv_regs->ptv_500 = 0x4b90;
512 tv_regs->ptv_504 = 0x1b480;
513 }
514 }
515
516 for (i = 0; i < 0x40; i++)
517 tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
518
519 } else {
520 struct drm_display_mode *output_mode =
521 &tv_norm->ctv_enc_mode.mode;
522
523 /* The registers in PRAMDAC+0xc00 control some timings and CSC
524 * parameters for the CTV encoder (It's only used for "HD" TV
525 * modes, I don't think I have enough working to guess what
526 * they exactly mean...), it's probably connected at the
527 * output of the FP encoder, but it also needs the analog
528 * encoder in its OR enabled and routed to the head it's
529 * using. It's enabled with the DACCLK register, bits [5:4].
530 */
531 for (i = 0; i < 38; i++)
532 regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
533
534 regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
535 regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
536 regs->fp_horiz_regs[FP_SYNC_START] =
537 output_mode->hsync_start - 1;
538 regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
539 regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
540 max((output_mode->hdisplay-600)/40 - 1, 1);
541
542 regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
543 regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
544 regs->fp_vert_regs[FP_SYNC_START] =
545 output_mode->vsync_start - 1;
546 regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
547 regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
548
549 regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
550 NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
551 NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
552
553 if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
554 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
555 if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
556 regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
557
558 regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
559 NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
560 NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
561 NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
562 NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
563 NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
564 NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
565
566 regs->fp_debug_2 = 0;
567
568 regs->fp_margin_color = 0x801080;
569
570 }
571 }
572
nv17_tv_commit(struct drm_encoder * encoder)573 static void nv17_tv_commit(struct drm_encoder *encoder)
574 {
575 struct drm_device *dev = encoder->dev;
576 struct nouveau_drm *drm = nouveau_drm(dev);
577 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
578 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
579 const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
580
581 if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
582 nv17_tv_update_rescaler(encoder);
583 nv17_tv_update_properties(encoder);
584 } else {
585 nv17_ctv_update_rescaler(encoder);
586 }
587
588 nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
589
590 /* This could use refinement for flatpanels, but it should work */
591 if (drm->client.device.info.chipset < 0x44)
592 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
593 nv04_dac_output_offset(encoder),
594 0xf0000000);
595 else
596 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
597 nv04_dac_output_offset(encoder),
598 0x00100000);
599
600 helper->dpms(encoder, DRM_MODE_DPMS_ON);
601
602 NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
603 nv04_encoder_get_connector(nv_encoder)->base.name,
604 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
605 }
606
nv17_tv_save(struct drm_encoder * encoder)607 static void nv17_tv_save(struct drm_encoder *encoder)
608 {
609 struct drm_device *dev = encoder->dev;
610 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
611
612 nouveau_encoder(encoder)->restore.output =
613 NVReadRAMDAC(dev, 0,
614 NV_PRAMDAC_DACCLK +
615 nv04_dac_output_offset(encoder));
616
617 nv17_tv_state_save(dev, &tv_enc->saved_state);
618
619 tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
620 }
621
nv17_tv_restore(struct drm_encoder * encoder)622 static void nv17_tv_restore(struct drm_encoder *encoder)
623 {
624 struct drm_device *dev = encoder->dev;
625
626 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
627 nv04_dac_output_offset(encoder),
628 nouveau_encoder(encoder)->restore.output);
629
630 nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
631
632 nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
633 }
634
nv17_tv_create_resources(struct drm_encoder * encoder,struct drm_connector * connector)635 static int nv17_tv_create_resources(struct drm_encoder *encoder,
636 struct drm_connector *connector)
637 {
638 struct drm_device *dev = encoder->dev;
639 struct nouveau_drm *drm = nouveau_drm(dev);
640 struct drm_mode_config *conf = &dev->mode_config;
641 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
642 struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
643 int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
644 NUM_LD_TV_NORMS;
645 int i;
646
647 if (nouveau_tv_norm) {
648 i = match_string(nv17_tv_norm_names, num_tv_norms,
649 nouveau_tv_norm);
650 if (i < 0)
651 NV_WARN(drm, "Invalid TV norm setting \"%s\"\n",
652 nouveau_tv_norm);
653 else
654 tv_enc->tv_norm = i;
655 }
656
657 drm_mode_create_tv_properties_legacy(dev, num_tv_norms, nv17_tv_norm_names);
658
659 drm_object_attach_property(&connector->base,
660 conf->tv_select_subconnector_property,
661 tv_enc->select_subconnector);
662 drm_object_attach_property(&connector->base,
663 conf->tv_subconnector_property,
664 tv_enc->subconnector);
665 drm_object_attach_property(&connector->base,
666 conf->legacy_tv_mode_property,
667 tv_enc->tv_norm);
668 drm_object_attach_property(&connector->base,
669 conf->tv_flicker_reduction_property,
670 tv_enc->flicker);
671 drm_object_attach_property(&connector->base,
672 conf->tv_saturation_property,
673 tv_enc->saturation);
674 drm_object_attach_property(&connector->base,
675 conf->tv_hue_property,
676 tv_enc->hue);
677 drm_object_attach_property(&connector->base,
678 conf->tv_overscan_property,
679 tv_enc->overscan);
680
681 return 0;
682 }
683
nv17_tv_set_property(struct drm_encoder * encoder,struct drm_connector * connector,struct drm_property * property,uint64_t val)684 static int nv17_tv_set_property(struct drm_encoder *encoder,
685 struct drm_connector *connector,
686 struct drm_property *property,
687 uint64_t val)
688 {
689 struct drm_mode_config *conf = &encoder->dev->mode_config;
690 struct drm_crtc *crtc = encoder->crtc;
691 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
692 struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
693 bool modes_changed = false;
694
695 if (property == conf->tv_overscan_property) {
696 tv_enc->overscan = val;
697 if (encoder->crtc) {
698 if (tv_norm->kind == CTV_ENC_MODE)
699 nv17_ctv_update_rescaler(encoder);
700 else
701 nv17_tv_update_rescaler(encoder);
702 }
703
704 } else if (property == conf->tv_saturation_property) {
705 if (tv_norm->kind != TV_ENC_MODE)
706 return -EINVAL;
707
708 tv_enc->saturation = val;
709 nv17_tv_update_properties(encoder);
710
711 } else if (property == conf->tv_hue_property) {
712 if (tv_norm->kind != TV_ENC_MODE)
713 return -EINVAL;
714
715 tv_enc->hue = val;
716 nv17_tv_update_properties(encoder);
717
718 } else if (property == conf->tv_flicker_reduction_property) {
719 if (tv_norm->kind != TV_ENC_MODE)
720 return -EINVAL;
721
722 tv_enc->flicker = val;
723 if (encoder->crtc)
724 nv17_tv_update_rescaler(encoder);
725
726 } else if (property == conf->legacy_tv_mode_property) {
727 if (connector->dpms != DRM_MODE_DPMS_OFF)
728 return -EINVAL;
729
730 tv_enc->tv_norm = val;
731
732 modes_changed = true;
733
734 } else if (property == conf->tv_select_subconnector_property) {
735 if (tv_norm->kind != TV_ENC_MODE)
736 return -EINVAL;
737
738 tv_enc->select_subconnector = val;
739 nv17_tv_update_properties(encoder);
740
741 } else {
742 return -EINVAL;
743 }
744
745 if (modes_changed) {
746 drm_helper_probe_single_connector_modes(connector, 0, 0);
747
748 /* Disable the crtc to ensure a full modeset is
749 * performed whenever it's turned on again. */
750 if (crtc)
751 drm_crtc_helper_set_mode(crtc, &crtc->mode,
752 crtc->x, crtc->y,
753 crtc->primary->fb);
754 }
755
756 return 0;
757 }
758
nv17_tv_destroy(struct drm_encoder * encoder)759 static void nv17_tv_destroy(struct drm_encoder *encoder)
760 {
761 struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
762
763 drm_encoder_cleanup(encoder);
764 kfree(tv_enc);
765 }
766
767 static const struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
768 .dpms = nv17_tv_dpms,
769 .mode_fixup = nv17_tv_mode_fixup,
770 .prepare = nv17_tv_prepare,
771 .commit = nv17_tv_commit,
772 .mode_set = nv17_tv_mode_set,
773 .detect = nv17_tv_detect,
774 };
775
776 static const struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
777 .get_modes = nv17_tv_get_modes,
778 .mode_valid = nv17_tv_mode_valid,
779 .create_resources = nv17_tv_create_resources,
780 .set_property = nv17_tv_set_property,
781 };
782
783 static const struct drm_encoder_funcs nv17_tv_funcs = {
784 .destroy = nv17_tv_destroy,
785 };
786
787 int
nv17_tv_create(struct drm_connector * connector,struct dcb_output * entry)788 nv17_tv_create(struct drm_connector *connector, struct dcb_output *entry)
789 {
790 struct drm_device *dev = connector->dev;
791 struct drm_encoder *encoder;
792 struct nv17_tv_encoder *tv_enc = NULL;
793
794 tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
795 if (!tv_enc)
796 return -ENOMEM;
797
798 tv_enc->overscan = 50;
799 tv_enc->flicker = 50;
800 tv_enc->saturation = 50;
801 tv_enc->hue = 0;
802 tv_enc->tv_norm = TV_NORM_PAL;
803 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
804 tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
805 tv_enc->pin_mask = 0;
806
807 encoder = to_drm_encoder(&tv_enc->base);
808
809 tv_enc->base.dcb = entry;
810 tv_enc->base.or = ffs(entry->or) - 1;
811
812 drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC,
813 NULL);
814 drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
815 to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
816
817 tv_enc->base.enc_save = nv17_tv_save;
818 tv_enc->base.enc_restore = nv17_tv_restore;
819
820 encoder->possible_crtcs = entry->heads;
821 encoder->possible_clones = 0;
822
823 nv17_tv_create_resources(encoder, connector);
824 drm_connector_attach_encoder(connector, encoder);
825 return 0;
826 }
827
