Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / 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/drmP.h>
28 #include <drm/drm_crtc_helper.h>
29 #include "nouveau_drm.h"
30 #include "nouveau_reg.h"
31 #include "nouveau_encoder.h"
32 #include "nouveau_connector.h"
33 #include "nouveau_crtc.h"
34 #include "hw.h"
35 #include "tvnv17.h"
36
37 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
38                  "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
39                  "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
40                  "\t\tDefault: PAL\n"
41                  "\t\t*NOTE* Ignored for cards with external TV encoders.");
42 static char *nouveau_tv_norm;
43 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
44
45 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
46 {
47         struct drm_device *dev = encoder->dev;
48         struct nouveau_drm *drm = nouveau_drm(dev);
49         struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
50         uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
51         uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
52                 fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
53         uint32_t sample = 0;
54         int head;
55
56 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
57         testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
58         if (drm->vbios.tvdactestval)
59                 testval = drm->vbios.tvdactestval;
60
61         dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
62         head = (dacclk & 0x100) >> 8;
63
64         /* Save the previous state. */
65         gpio1 = gpio->get(gpio, 0, DCB_GPIO_TVDAC1, 0xff);
66         gpio0 = gpio->get(gpio, 0, DCB_GPIO_TVDAC0, 0xff);
67         fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
68         fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
69         fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
70         fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
71         test_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
72         ctv_1c = NVReadRAMDAC(dev, head, 0x680c1c);
73         ctv_14 = NVReadRAMDAC(dev, head, 0x680c14);
74         ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
75
76         /* Prepare the DAC for load detection.  */
77         gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, true);
78         gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, true);
79
80         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
81         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
82         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, 1183);
83         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL,
84                       NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
85                       NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12 |
86                       NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
87                       NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS |
88                       NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS);
89
90         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, 0);
91
92         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
93                       (dacclk & ~0xff) | 0x22);
94         msleep(1);
95         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
96                       (dacclk & ~0xff) | 0x21);
97
98         NVWriteRAMDAC(dev, head, 0x680c1c, 1 << 20);
99         NVWriteRAMDAC(dev, head, 0x680c14, 4 << 16);
100
101         /* Sample pin 0x4 (usually S-video luma). */
102         NVWriteRAMDAC(dev, head, 0x680c6c, testval >> 10 & 0x3ff);
103         msleep(20);
104         sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
105                 & 0x4 << 28;
106
107         /* Sample the remaining pins. */
108         NVWriteRAMDAC(dev, head, 0x680c6c, testval & 0x3ff);
109         msleep(20);
110         sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
111                 & 0xa << 28;
112
113         /* Restore the previous state. */
114         NVWriteRAMDAC(dev, head, 0x680c1c, ctv_1c);
115         NVWriteRAMDAC(dev, head, 0x680c14, ctv_14);
116         NVWriteRAMDAC(dev, head, 0x680c6c, ctv_6c);
117         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, dacclk);
118         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, test_ctrl);
119         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, fp_control);
120         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
121         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
122         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
123         gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, gpio1);
124         gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, gpio0);
125
126         return sample;
127 }
128
129 static bool
130 get_tv_detect_quirks(struct drm_device *dev, uint32_t *pin_mask)
131 {
132         struct nouveau_drm *drm = nouveau_drm(dev);
133         struct nvif_device *device = &drm->device;
134
135         /* Zotac FX5200 */
136         if (nv_device_match(nvxx_object(device), 0x0322, 0x19da, 0x1035) ||
137             nv_device_match(nvxx_object(device), 0x0322, 0x19da, 0x2035)) {
138                 *pin_mask = 0xc;
139                 return false;
140         }
141
142         /* MSI nForce2 IGP */
143         if (nv_device_match(nvxx_object(device), 0x01f0, 0x1462, 0x5710)) {
144                 *pin_mask = 0xc;
145                 return false;
146         }
147
148         return true;
149 }
150
151 static enum drm_connector_status
152 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
153 {
154         struct drm_device *dev = encoder->dev;
155         struct nouveau_drm *drm = nouveau_drm(dev);
156         struct drm_mode_config *conf = &dev->mode_config;
157         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
158         struct dcb_output *dcb = tv_enc->base.dcb;
159         bool reliable = get_tv_detect_quirks(dev, &tv_enc->pin_mask);
160
161         if (nv04_dac_in_use(encoder))
162                 return connector_status_disconnected;
163
164         if (reliable) {
165                 if (drm->device.info.chipset == 0x42 ||
166                     drm->device.info.chipset == 0x43)
167                         tv_enc->pin_mask =
168                                 nv42_tv_sample_load(encoder) >> 28 & 0xe;
169                 else
170                         tv_enc->pin_mask =
171                                 nv17_dac_sample_load(encoder) >> 28 & 0xe;
172         }
173
174         switch (tv_enc->pin_mask) {
175         case 0x2:
176         case 0x4:
177                 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Composite;
178                 break;
179         case 0xc:
180                 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
181                 break;
182         case 0xe:
183                 if (dcb->tvconf.has_component_output)
184                         tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
185                 else
186                         tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
187                 break;
188         default:
189                 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
190                 break;
191         }
192
193         drm_object_property_set_value(&connector->base,
194                                          conf->tv_subconnector_property,
195                                          tv_enc->subconnector);
196
197         if (!reliable) {
198                 return connector_status_unknown;
199         } else if (tv_enc->subconnector) {
200                 NV_INFO(drm, "Load detected on output %c\n",
201                         '@' + ffs(dcb->or));
202                 return connector_status_connected;
203         } else {
204                 return connector_status_disconnected;
205         }
206 }
207
208 static int nv17_tv_get_ld_modes(struct drm_encoder *encoder,
209                                 struct drm_connector *connector)
210 {
211         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
212         const struct drm_display_mode *tv_mode;
213         int n = 0;
214
215         for (tv_mode = nv17_tv_modes; tv_mode->hdisplay; tv_mode++) {
216                 struct drm_display_mode *mode;
217
218                 mode = drm_mode_duplicate(encoder->dev, tv_mode);
219
220                 mode->clock = tv_norm->tv_enc_mode.vrefresh *
221                         mode->htotal / 1000 *
222                         mode->vtotal / 1000;
223
224                 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
225                         mode->clock *= 2;
226
227                 if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
228                     mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
229                         mode->type |= DRM_MODE_TYPE_PREFERRED;
230
231                 drm_mode_probed_add(connector, mode);
232                 n++;
233         }
234
235         return n;
236 }
237
238 static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
239                                 struct drm_connector *connector)
240 {
241         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
242         struct drm_display_mode *output_mode = &tv_norm->ctv_enc_mode.mode;
243         struct drm_display_mode *mode;
244         const struct {
245                 int hdisplay;
246                 int vdisplay;
247         } modes[] = {
248                 { 640, 400 },
249                 { 640, 480 },
250                 { 720, 480 },
251                 { 720, 576 },
252                 { 800, 600 },
253                 { 1024, 768 },
254                 { 1280, 720 },
255                 { 1280, 1024 },
256                 { 1920, 1080 }
257         };
258         int i, n = 0;
259
260         for (i = 0; i < ARRAY_SIZE(modes); i++) {
261                 if (modes[i].hdisplay > output_mode->hdisplay ||
262                     modes[i].vdisplay > output_mode->vdisplay)
263                         continue;
264
265                 if (modes[i].hdisplay == output_mode->hdisplay &&
266                     modes[i].vdisplay == output_mode->vdisplay) {
267                         mode = drm_mode_duplicate(encoder->dev, output_mode);
268                         mode->type |= DRM_MODE_TYPE_PREFERRED;
269
270                 } else {
271                         mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
272                                             modes[i].vdisplay, 60, false,
273                                             (output_mode->flags &
274                                              DRM_MODE_FLAG_INTERLACE), false);
275                 }
276
277                 /* CVT modes are sometimes unsuitable... */
278                 if (output_mode->hdisplay <= 720
279                     || output_mode->hdisplay >= 1920) {
280                         mode->htotal = output_mode->htotal;
281                         mode->hsync_start = (mode->hdisplay + (mode->htotal
282                                              - mode->hdisplay) * 9 / 10) & ~7;
283                         mode->hsync_end = mode->hsync_start + 8;
284                 }
285
286                 if (output_mode->vdisplay >= 1024) {
287                         mode->vtotal = output_mode->vtotal;
288                         mode->vsync_start = output_mode->vsync_start;
289                         mode->vsync_end = output_mode->vsync_end;
290                 }
291
292                 mode->type |= DRM_MODE_TYPE_DRIVER;
293                 drm_mode_probed_add(connector, mode);
294                 n++;
295         }
296
297         return n;
298 }
299
300 static int nv17_tv_get_modes(struct drm_encoder *encoder,
301                              struct drm_connector *connector)
302 {
303         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
304
305         if (tv_norm->kind == CTV_ENC_MODE)
306                 return nv17_tv_get_hd_modes(encoder, connector);
307         else
308                 return nv17_tv_get_ld_modes(encoder, connector);
309 }
310
311 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
312                               struct drm_display_mode *mode)
313 {
314         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
315
316         if (tv_norm->kind == CTV_ENC_MODE) {
317                 struct drm_display_mode *output_mode =
318                                                 &tv_norm->ctv_enc_mode.mode;
319
320                 if (mode->clock > 400000)
321                         return MODE_CLOCK_HIGH;
322
323                 if (mode->hdisplay > output_mode->hdisplay ||
324                     mode->vdisplay > output_mode->vdisplay)
325                         return MODE_BAD;
326
327                 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
328                     (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
329                         return MODE_NO_INTERLACE;
330
331                 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
332                         return MODE_NO_DBLESCAN;
333
334         } else {
335                 const int vsync_tolerance = 600;
336
337                 if (mode->clock > 70000)
338                         return MODE_CLOCK_HIGH;
339
340                 if (abs(drm_mode_vrefresh(mode) * 1000 -
341                         tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
342                         return MODE_VSYNC;
343
344                 /* The encoder takes care of the actual interlacing */
345                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
346                         return MODE_NO_INTERLACE;
347         }
348
349         return MODE_OK;
350 }
351
352 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
353                                const struct drm_display_mode *mode,
354                                struct drm_display_mode *adjusted_mode)
355 {
356         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
357
358         if (nv04_dac_in_use(encoder))
359                 return false;
360
361         if (tv_norm->kind == CTV_ENC_MODE)
362                 adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
363         else
364                 adjusted_mode->clock = 90000;
365
366         return true;
367 }
368
369 static void  nv17_tv_dpms(struct drm_encoder *encoder, int mode)
370 {
371         struct drm_device *dev = encoder->dev;
372         struct nouveau_drm *drm = nouveau_drm(dev);
373         struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
374         struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
375         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
376
377         if (nouveau_encoder(encoder)->last_dpms == mode)
378                 return;
379         nouveau_encoder(encoder)->last_dpms = mode;
380
381         NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
382                  mode, nouveau_encoder(encoder)->dcb->index);
383
384         regs->ptv_200 &= ~1;
385
386         if (tv_norm->kind == CTV_ENC_MODE) {
387                 nv04_dfp_update_fp_control(encoder, mode);
388
389         } else {
390                 nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
391
392                 if (mode == DRM_MODE_DPMS_ON)
393                         regs->ptv_200 |= 1;
394         }
395
396         nv_load_ptv(dev, regs, 200);
397
398         gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, mode == DRM_MODE_DPMS_ON);
399         gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, mode == DRM_MODE_DPMS_ON);
400
401         nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
402 }
403
404 static void nv17_tv_prepare(struct drm_encoder *encoder)
405 {
406         struct drm_device *dev = encoder->dev;
407         struct nouveau_drm *drm = nouveau_drm(dev);
408         const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
409         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
410         int head = nouveau_crtc(encoder->crtc)->index;
411         uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[
412                                                         NV_CIO_CRE_LCD__INDEX];
413         uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
414                                         nv04_dac_output_offset(encoder);
415         uint32_t dacclk;
416
417         helper->dpms(encoder, DRM_MODE_DPMS_OFF);
418
419         nv04_dfp_disable(dev, head);
420
421         /* Unbind any FP encoders from this head if we need the FP
422          * stuff enabled. */
423         if (tv_norm->kind == CTV_ENC_MODE) {
424                 struct drm_encoder *enc;
425
426                 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
427                         struct dcb_output *dcb = nouveau_encoder(enc)->dcb;
428
429                         if ((dcb->type == DCB_OUTPUT_TMDS ||
430                              dcb->type == DCB_OUTPUT_LVDS) &&
431                              !enc->crtc &&
432                              nv04_dfp_get_bound_head(dev, dcb) == head) {
433                                 nv04_dfp_bind_head(dev, dcb, head ^ 1,
434                                                 drm->vbios.fp.dual_link);
435                         }
436                 }
437
438         }
439
440         if (tv_norm->kind == CTV_ENC_MODE)
441                 *cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
442
443         /* Set the DACCLK register */
444         dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
445
446         if (drm->device.info.family == NV_DEVICE_INFO_V0_CURIE)
447                 dacclk |= 0x1a << 16;
448
449         if (tv_norm->kind == CTV_ENC_MODE) {
450                 dacclk |=  0x20;
451
452                 if (head)
453                         dacclk |= 0x100;
454                 else
455                         dacclk &= ~0x100;
456
457         } else {
458                 dacclk |= 0x10;
459
460         }
461
462         NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
463 }
464
465 static void nv17_tv_mode_set(struct drm_encoder *encoder,
466                              struct drm_display_mode *drm_mode,
467                              struct drm_display_mode *adjusted_mode)
468 {
469         struct drm_device *dev = encoder->dev;
470         struct nouveau_drm *drm = nouveau_drm(dev);
471         int head = nouveau_crtc(encoder->crtc)->index;
472         struct nv04_crtc_reg *regs = &nv04_display(dev)->mode_reg.crtc_reg[head];
473         struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
474         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
475         int i;
476
477         regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
478         regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
479         regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
480         regs->tv_setup = 1;
481         regs->ramdac_8c0 = 0x0;
482
483         if (tv_norm->kind == TV_ENC_MODE) {
484                 tv_regs->ptv_200 = 0x13111100;
485                 if (head)
486                         tv_regs->ptv_200 |= 0x10;
487
488                 tv_regs->ptv_20c = 0x808010;
489                 tv_regs->ptv_304 = 0x2d00000;
490                 tv_regs->ptv_600 = 0x0;
491                 tv_regs->ptv_60c = 0x0;
492                 tv_regs->ptv_610 = 0x1e00000;
493
494                 if (tv_norm->tv_enc_mode.vdisplay == 576) {
495                         tv_regs->ptv_508 = 0x1200000;
496                         tv_regs->ptv_614 = 0x33;
497
498                 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
499                         tv_regs->ptv_508 = 0xf00000;
500                         tv_regs->ptv_614 = 0x13;
501                 }
502
503                 if (drm->device.info.family >= NV_DEVICE_INFO_V0_RANKINE) {
504                         tv_regs->ptv_500 = 0xe8e0;
505                         tv_regs->ptv_504 = 0x1710;
506                         tv_regs->ptv_604 = 0x0;
507                         tv_regs->ptv_608 = 0x0;
508                 } else {
509                         if (tv_norm->tv_enc_mode.vdisplay == 576) {
510                                 tv_regs->ptv_604 = 0x20;
511                                 tv_regs->ptv_608 = 0x10;
512                                 tv_regs->ptv_500 = 0x19710;
513                                 tv_regs->ptv_504 = 0x68f0;
514
515                         } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
516                                 tv_regs->ptv_604 = 0x10;
517                                 tv_regs->ptv_608 = 0x20;
518                                 tv_regs->ptv_500 = 0x4b90;
519                                 tv_regs->ptv_504 = 0x1b480;
520                         }
521                 }
522
523                 for (i = 0; i < 0x40; i++)
524                         tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
525
526         } else {
527                 struct drm_display_mode *output_mode =
528                                                 &tv_norm->ctv_enc_mode.mode;
529
530                 /* The registers in PRAMDAC+0xc00 control some timings and CSC
531                  * parameters for the CTV encoder (It's only used for "HD" TV
532                  * modes, I don't think I have enough working to guess what
533                  * they exactly mean...), it's probably connected at the
534                  * output of the FP encoder, but it also needs the analog
535                  * encoder in its OR enabled and routed to the head it's
536                  * using. It's enabled with the DACCLK register, bits [5:4].
537                  */
538                 for (i = 0; i < 38; i++)
539                         regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
540
541                 regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
542                 regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
543                 regs->fp_horiz_regs[FP_SYNC_START] =
544                                                 output_mode->hsync_start - 1;
545                 regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
546                 regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
547                         max((output_mode->hdisplay-600)/40 - 1, 1);
548
549                 regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
550                 regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
551                 regs->fp_vert_regs[FP_SYNC_START] =
552                                                 output_mode->vsync_start - 1;
553                 regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
554                 regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
555
556                 regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
557                         NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
558                         NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
559
560                 if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
561                         regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
562                 if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
563                         regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
564
565                 regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
566                         NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
567                         NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
568                         NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
569                         NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
570                         NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
571                         NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
572
573                 regs->fp_debug_2 = 0;
574
575                 regs->fp_margin_color = 0x801080;
576
577         }
578 }
579
580 static void nv17_tv_commit(struct drm_encoder *encoder)
581 {
582         struct drm_device *dev = encoder->dev;
583         struct nouveau_drm *drm = nouveau_drm(dev);
584         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
585         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
586         const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
587
588         if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
589                 nv17_tv_update_rescaler(encoder);
590                 nv17_tv_update_properties(encoder);
591         } else {
592                 nv17_ctv_update_rescaler(encoder);
593         }
594
595         nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
596
597         /* This could use refinement for flatpanels, but it should work */
598         if (drm->device.info.chipset < 0x44)
599                 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
600                                         nv04_dac_output_offset(encoder),
601                                         0xf0000000);
602         else
603                 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
604                                         nv04_dac_output_offset(encoder),
605                                         0x00100000);
606
607         helper->dpms(encoder, DRM_MODE_DPMS_ON);
608
609         NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
610                 nouveau_encoder_connector_get(nv_encoder)->base.name,
611                 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
612 }
613
614 static void nv17_tv_save(struct drm_encoder *encoder)
615 {
616         struct drm_device *dev = encoder->dev;
617         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
618
619         nouveau_encoder(encoder)->restore.output =
620                                         NVReadRAMDAC(dev, 0,
621                                         NV_PRAMDAC_DACCLK +
622                                         nv04_dac_output_offset(encoder));
623
624         nv17_tv_state_save(dev, &tv_enc->saved_state);
625
626         tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
627 }
628
629 static void nv17_tv_restore(struct drm_encoder *encoder)
630 {
631         struct drm_device *dev = encoder->dev;
632
633         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
634                                 nv04_dac_output_offset(encoder),
635                                 nouveau_encoder(encoder)->restore.output);
636
637         nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
638
639         nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
640 }
641
642 static int nv17_tv_create_resources(struct drm_encoder *encoder,
643                                     struct drm_connector *connector)
644 {
645         struct drm_device *dev = encoder->dev;
646         struct nouveau_drm *drm = nouveau_drm(dev);
647         struct drm_mode_config *conf = &dev->mode_config;
648         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
649         struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
650         int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
651                                                         NUM_LD_TV_NORMS;
652         int i;
653
654         if (nouveau_tv_norm) {
655                 for (i = 0; i < num_tv_norms; i++) {
656                         if (!strcmp(nv17_tv_norm_names[i], nouveau_tv_norm)) {
657                                 tv_enc->tv_norm = i;
658                                 break;
659                         }
660                 }
661
662                 if (i == num_tv_norms)
663                         NV_WARN(drm, "Invalid TV norm setting \"%s\"\n",
664                                 nouveau_tv_norm);
665         }
666
667         drm_mode_create_tv_properties(dev, num_tv_norms, nv17_tv_norm_names);
668
669         drm_object_attach_property(&connector->base,
670                                         conf->tv_select_subconnector_property,
671                                         tv_enc->select_subconnector);
672         drm_object_attach_property(&connector->base,
673                                         conf->tv_subconnector_property,
674                                         tv_enc->subconnector);
675         drm_object_attach_property(&connector->base,
676                                         conf->tv_mode_property,
677                                         tv_enc->tv_norm);
678         drm_object_attach_property(&connector->base,
679                                         conf->tv_flicker_reduction_property,
680                                         tv_enc->flicker);
681         drm_object_attach_property(&connector->base,
682                                         conf->tv_saturation_property,
683                                         tv_enc->saturation);
684         drm_object_attach_property(&connector->base,
685                                         conf->tv_hue_property,
686                                         tv_enc->hue);
687         drm_object_attach_property(&connector->base,
688                                         conf->tv_overscan_property,
689                                         tv_enc->overscan);
690
691         return 0;
692 }
693
694 static int nv17_tv_set_property(struct drm_encoder *encoder,
695                                 struct drm_connector *connector,
696                                 struct drm_property *property,
697                                 uint64_t val)
698 {
699         struct drm_mode_config *conf = &encoder->dev->mode_config;
700         struct drm_crtc *crtc = encoder->crtc;
701         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
702         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
703         bool modes_changed = false;
704
705         if (property == conf->tv_overscan_property) {
706                 tv_enc->overscan = val;
707                 if (encoder->crtc) {
708                         if (tv_norm->kind == CTV_ENC_MODE)
709                                 nv17_ctv_update_rescaler(encoder);
710                         else
711                                 nv17_tv_update_rescaler(encoder);
712                 }
713
714         } else if (property == conf->tv_saturation_property) {
715                 if (tv_norm->kind != TV_ENC_MODE)
716                         return -EINVAL;
717
718                 tv_enc->saturation = val;
719                 nv17_tv_update_properties(encoder);
720
721         } else if (property == conf->tv_hue_property) {
722                 if (tv_norm->kind != TV_ENC_MODE)
723                         return -EINVAL;
724
725                 tv_enc->hue = val;
726                 nv17_tv_update_properties(encoder);
727
728         } else if (property == conf->tv_flicker_reduction_property) {
729                 if (tv_norm->kind != TV_ENC_MODE)
730                         return -EINVAL;
731
732                 tv_enc->flicker = val;
733                 if (encoder->crtc)
734                         nv17_tv_update_rescaler(encoder);
735
736         } else if (property == conf->tv_mode_property) {
737                 if (connector->dpms != DRM_MODE_DPMS_OFF)
738                         return -EINVAL;
739
740                 tv_enc->tv_norm = val;
741
742                 modes_changed = true;
743
744         } else if (property == conf->tv_select_subconnector_property) {
745                 if (tv_norm->kind != TV_ENC_MODE)
746                         return -EINVAL;
747
748                 tv_enc->select_subconnector = val;
749                 nv17_tv_update_properties(encoder);
750
751         } else {
752                 return -EINVAL;
753         }
754
755         if (modes_changed) {
756                 drm_helper_probe_single_connector_modes(connector, 0, 0);
757
758                 /* Disable the crtc to ensure a full modeset is
759                  * performed whenever it's turned on again. */
760                 if (crtc) {
761                         struct drm_mode_set modeset = {
762                                 .crtc = crtc,
763                         };
764
765                         drm_mode_set_config_internal(&modeset);
766                 }
767         }
768
769         return 0;
770 }
771
772 static void nv17_tv_destroy(struct drm_encoder *encoder)
773 {
774         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
775
776         drm_encoder_cleanup(encoder);
777         kfree(tv_enc);
778 }
779
780 static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
781         .dpms = nv17_tv_dpms,
782         .save = nv17_tv_save,
783         .restore = nv17_tv_restore,
784         .mode_fixup = nv17_tv_mode_fixup,
785         .prepare = nv17_tv_prepare,
786         .commit = nv17_tv_commit,
787         .mode_set = nv17_tv_mode_set,
788         .detect = nv17_tv_detect,
789 };
790
791 static struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
792         .get_modes = nv17_tv_get_modes,
793         .mode_valid = nv17_tv_mode_valid,
794         .create_resources = nv17_tv_create_resources,
795         .set_property = nv17_tv_set_property,
796 };
797
798 static struct drm_encoder_funcs nv17_tv_funcs = {
799         .destroy = nv17_tv_destroy,
800 };
801
802 int
803 nv17_tv_create(struct drm_connector *connector, struct dcb_output *entry)
804 {
805         struct drm_device *dev = connector->dev;
806         struct drm_encoder *encoder;
807         struct nv17_tv_encoder *tv_enc = NULL;
808
809         tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
810         if (!tv_enc)
811                 return -ENOMEM;
812
813         tv_enc->overscan = 50;
814         tv_enc->flicker = 50;
815         tv_enc->saturation = 50;
816         tv_enc->hue = 0;
817         tv_enc->tv_norm = TV_NORM_PAL;
818         tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
819         tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
820         tv_enc->pin_mask = 0;
821
822         encoder = to_drm_encoder(&tv_enc->base);
823
824         tv_enc->base.dcb = entry;
825         tv_enc->base.or = ffs(entry->or) - 1;
826
827         drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC);
828         drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
829         to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
830
831         encoder->possible_crtcs = entry->heads;
832         encoder->possible_clones = 0;
833
834         nv17_tv_create_resources(encoder, connector);
835         drm_mode_connector_attach_encoder(connector, encoder);
836         return 0;
837 }