Merge tag 'parisc-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/delle...
[linux-2.6-microblaze.git] / drivers / gpu / drm / nouveau / dispnv04 / tvnv17.c
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 }