Linux-libre 3.12.18-gnu
[librecmc/linux-libre.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/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 #include <core/device.h>
38
39 #include <subdev/bios/gpio.h>
40 #include <subdev/gpio.h>
41
42 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
43                  "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
44                  "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
45                  "\t\tDefault: PAL\n"
46                  "\t\t*NOTE* Ignored for cards with external TV encoders.");
47 static char *nouveau_tv_norm;
48 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
49
50 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
51 {
52         struct drm_device *dev = encoder->dev;
53         struct nouveau_drm *drm = nouveau_drm(dev);
54         struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
55         uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
56         uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
57                 fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
58         uint32_t sample = 0;
59         int head;
60
61 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
62         testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
63         if (drm->vbios.tvdactestval)
64                 testval = drm->vbios.tvdactestval;
65
66         dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
67         head = (dacclk & 0x100) >> 8;
68
69         /* Save the previous state. */
70         gpio1 = gpio->get(gpio, 0, DCB_GPIO_TVDAC1, 0xff);
71         gpio0 = gpio->get(gpio, 0, DCB_GPIO_TVDAC0, 0xff);
72         fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
73         fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
74         fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
75         fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
76         test_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
77         ctv_1c = NVReadRAMDAC(dev, head, 0x680c1c);
78         ctv_14 = NVReadRAMDAC(dev, head, 0x680c14);
79         ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
80
81         /* Prepare the DAC for load detection.  */
82         gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, true);
83         gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, true);
84
85         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
86         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
87         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, 1183);
88         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL,
89                       NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
90                       NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12 |
91                       NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
92                       NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS |
93                       NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS);
94
95         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, 0);
96
97         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
98                       (dacclk & ~0xff) | 0x22);
99         msleep(1);
100         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
101                       (dacclk & ~0xff) | 0x21);
102
103         NVWriteRAMDAC(dev, head, 0x680c1c, 1 << 20);
104         NVWriteRAMDAC(dev, head, 0x680c14, 4 << 16);
105
106         /* Sample pin 0x4 (usually S-video luma). */
107         NVWriteRAMDAC(dev, head, 0x680c6c, testval >> 10 & 0x3ff);
108         msleep(20);
109         sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
110                 & 0x4 << 28;
111
112         /* Sample the remaining pins. */
113         NVWriteRAMDAC(dev, head, 0x680c6c, testval & 0x3ff);
114         msleep(20);
115         sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
116                 & 0xa << 28;
117
118         /* Restore the previous state. */
119         NVWriteRAMDAC(dev, head, 0x680c1c, ctv_1c);
120         NVWriteRAMDAC(dev, head, 0x680c14, ctv_14);
121         NVWriteRAMDAC(dev, head, 0x680c6c, ctv_6c);
122         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, dacclk);
123         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, test_ctrl);
124         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, fp_control);
125         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
126         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
127         NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
128         gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, gpio1);
129         gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, gpio0);
130
131         return sample;
132 }
133
134 static bool
135 get_tv_detect_quirks(struct drm_device *dev, uint32_t *pin_mask)
136 {
137         struct nouveau_drm *drm = nouveau_drm(dev);
138         struct nouveau_object *device = drm->device;
139
140         /* Zotac FX5200 */
141         if (nv_device_match(device, 0x0322, 0x19da, 0x1035) ||
142             nv_device_match(device, 0x0322, 0x19da, 0x2035)) {
143                 *pin_mask = 0xc;
144                 return false;
145         }
146
147         /* MSI nForce2 IGP */
148         if (nv_device_match(device, 0x01f0, 0x1462, 0x5710)) {
149                 *pin_mask = 0xc;
150                 return false;
151         }
152
153         return true;
154 }
155
156 static enum drm_connector_status
157 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
158 {
159         struct drm_device *dev = encoder->dev;
160         struct nouveau_drm *drm = nouveau_drm(dev);
161         struct drm_mode_config *conf = &dev->mode_config;
162         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
163         struct dcb_output *dcb = tv_enc->base.dcb;
164         bool reliable = get_tv_detect_quirks(dev, &tv_enc->pin_mask);
165
166         if (nv04_dac_in_use(encoder))
167                 return connector_status_disconnected;
168
169         if (reliable) {
170                 if (nv_device(drm->device)->chipset == 0x42 ||
171                     nv_device(drm->device)->chipset == 0x43)
172                         tv_enc->pin_mask =
173                                 nv42_tv_sample_load(encoder) >> 28 & 0xe;
174                 else
175                         tv_enc->pin_mask =
176                                 nv17_dac_sample_load(encoder) >> 28 & 0xe;
177         }
178
179         switch (tv_enc->pin_mask) {
180         case 0x2:
181         case 0x4:
182                 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Composite;
183                 break;
184         case 0xc:
185                 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
186                 break;
187         case 0xe:
188                 if (dcb->tvconf.has_component_output)
189                         tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
190                 else
191                         tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
192                 break;
193         default:
194                 tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
195                 break;
196         }
197
198         drm_object_property_set_value(&connector->base,
199                                          conf->tv_subconnector_property,
200                                          tv_enc->subconnector);
201
202         if (!reliable) {
203                 return connector_status_unknown;
204         } else if (tv_enc->subconnector) {
205                 NV_INFO(drm, "Load detected on output %c\n",
206                         '@' + ffs(dcb->or));
207                 return connector_status_connected;
208         } else {
209                 return connector_status_disconnected;
210         }
211 }
212
213 static int nv17_tv_get_ld_modes(struct drm_encoder *encoder,
214                                 struct drm_connector *connector)
215 {
216         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
217         const struct drm_display_mode *tv_mode;
218         int n = 0;
219
220         for (tv_mode = nv17_tv_modes; tv_mode->hdisplay; tv_mode++) {
221                 struct drm_display_mode *mode;
222
223                 mode = drm_mode_duplicate(encoder->dev, tv_mode);
224
225                 mode->clock = tv_norm->tv_enc_mode.vrefresh *
226                         mode->htotal / 1000 *
227                         mode->vtotal / 1000;
228
229                 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
230                         mode->clock *= 2;
231
232                 if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
233                     mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
234                         mode->type |= DRM_MODE_TYPE_PREFERRED;
235
236                 drm_mode_probed_add(connector, mode);
237                 n++;
238         }
239
240         return n;
241 }
242
243 static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
244                                 struct drm_connector *connector)
245 {
246         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
247         struct drm_display_mode *output_mode = &tv_norm->ctv_enc_mode.mode;
248         struct drm_display_mode *mode;
249         const struct {
250                 int hdisplay;
251                 int vdisplay;
252         } modes[] = {
253                 { 640, 400 },
254                 { 640, 480 },
255                 { 720, 480 },
256                 { 720, 576 },
257                 { 800, 600 },
258                 { 1024, 768 },
259                 { 1280, 720 },
260                 { 1280, 1024 },
261                 { 1920, 1080 }
262         };
263         int i, n = 0;
264
265         for (i = 0; i < ARRAY_SIZE(modes); i++) {
266                 if (modes[i].hdisplay > output_mode->hdisplay ||
267                     modes[i].vdisplay > output_mode->vdisplay)
268                         continue;
269
270                 if (modes[i].hdisplay == output_mode->hdisplay &&
271                     modes[i].vdisplay == output_mode->vdisplay) {
272                         mode = drm_mode_duplicate(encoder->dev, output_mode);
273                         mode->type |= DRM_MODE_TYPE_PREFERRED;
274
275                 } else {
276                         mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
277                                             modes[i].vdisplay, 60, false,
278                                             (output_mode->flags &
279                                              DRM_MODE_FLAG_INTERLACE), false);
280                 }
281
282                 /* CVT modes are sometimes unsuitable... */
283                 if (output_mode->hdisplay <= 720
284                     || output_mode->hdisplay >= 1920) {
285                         mode->htotal = output_mode->htotal;
286                         mode->hsync_start = (mode->hdisplay + (mode->htotal
287                                              - mode->hdisplay) * 9 / 10) & ~7;
288                         mode->hsync_end = mode->hsync_start + 8;
289                 }
290
291                 if (output_mode->vdisplay >= 1024) {
292                         mode->vtotal = output_mode->vtotal;
293                         mode->vsync_start = output_mode->vsync_start;
294                         mode->vsync_end = output_mode->vsync_end;
295                 }
296
297                 mode->type |= DRM_MODE_TYPE_DRIVER;
298                 drm_mode_probed_add(connector, mode);
299                 n++;
300         }
301
302         return n;
303 }
304
305 static int nv17_tv_get_modes(struct drm_encoder *encoder,
306                              struct drm_connector *connector)
307 {
308         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
309
310         if (tv_norm->kind == CTV_ENC_MODE)
311                 return nv17_tv_get_hd_modes(encoder, connector);
312         else
313                 return nv17_tv_get_ld_modes(encoder, connector);
314 }
315
316 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
317                               struct drm_display_mode *mode)
318 {
319         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
320
321         if (tv_norm->kind == CTV_ENC_MODE) {
322                 struct drm_display_mode *output_mode =
323                                                 &tv_norm->ctv_enc_mode.mode;
324
325                 if (mode->clock > 400000)
326                         return MODE_CLOCK_HIGH;
327
328                 if (mode->hdisplay > output_mode->hdisplay ||
329                     mode->vdisplay > output_mode->vdisplay)
330                         return MODE_BAD;
331
332                 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
333                     (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
334                         return MODE_NO_INTERLACE;
335
336                 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
337                         return MODE_NO_DBLESCAN;
338
339         } else {
340                 const int vsync_tolerance = 600;
341
342                 if (mode->clock > 70000)
343                         return MODE_CLOCK_HIGH;
344
345                 if (abs(drm_mode_vrefresh(mode) * 1000 -
346                         tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
347                         return MODE_VSYNC;
348
349                 /* The encoder takes care of the actual interlacing */
350                 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
351                         return MODE_NO_INTERLACE;
352         }
353
354         return MODE_OK;
355 }
356
357 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
358                                const struct drm_display_mode *mode,
359                                struct drm_display_mode *adjusted_mode)
360 {
361         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
362
363         if (nv04_dac_in_use(encoder))
364                 return false;
365
366         if (tv_norm->kind == CTV_ENC_MODE)
367                 adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
368         else
369                 adjusted_mode->clock = 90000;
370
371         return true;
372 }
373
374 static void  nv17_tv_dpms(struct drm_encoder *encoder, int mode)
375 {
376         struct drm_device *dev = encoder->dev;
377         struct nouveau_drm *drm = nouveau_drm(dev);
378         struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
379         struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
380         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
381
382         if (nouveau_encoder(encoder)->last_dpms == mode)
383                 return;
384         nouveau_encoder(encoder)->last_dpms = mode;
385
386         NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
387                  mode, nouveau_encoder(encoder)->dcb->index);
388
389         regs->ptv_200 &= ~1;
390
391         if (tv_norm->kind == CTV_ENC_MODE) {
392                 nv04_dfp_update_fp_control(encoder, mode);
393
394         } else {
395                 nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
396
397                 if (mode == DRM_MODE_DPMS_ON)
398                         regs->ptv_200 |= 1;
399         }
400
401         nv_load_ptv(dev, regs, 200);
402
403         gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, mode == DRM_MODE_DPMS_ON);
404         gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, mode == DRM_MODE_DPMS_ON);
405
406         nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
407 }
408
409 static void nv17_tv_prepare(struct drm_encoder *encoder)
410 {
411         struct drm_device *dev = encoder->dev;
412         struct nouveau_drm *drm = nouveau_drm(dev);
413         struct drm_encoder_helper_funcs *helper = encoder->helper_private;
414         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
415         int head = nouveau_crtc(encoder->crtc)->index;
416         uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[
417                                                         NV_CIO_CRE_LCD__INDEX];
418         uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
419                                         nv04_dac_output_offset(encoder);
420         uint32_t dacclk;
421
422         helper->dpms(encoder, DRM_MODE_DPMS_OFF);
423
424         nv04_dfp_disable(dev, head);
425
426         /* Unbind any FP encoders from this head if we need the FP
427          * stuff enabled. */
428         if (tv_norm->kind == CTV_ENC_MODE) {
429                 struct drm_encoder *enc;
430
431                 list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
432                         struct dcb_output *dcb = nouveau_encoder(enc)->dcb;
433
434                         if ((dcb->type == DCB_OUTPUT_TMDS ||
435                              dcb->type == DCB_OUTPUT_LVDS) &&
436                              !enc->crtc &&
437                              nv04_dfp_get_bound_head(dev, dcb) == head) {
438                                 nv04_dfp_bind_head(dev, dcb, head ^ 1,
439                                                 drm->vbios.fp.dual_link);
440                         }
441                 }
442
443         }
444
445         if (tv_norm->kind == CTV_ENC_MODE)
446                 *cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
447
448         /* Set the DACCLK register */
449         dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
450
451         if (nv_device(drm->device)->card_type == NV_40)
452                 dacclk |= 0x1a << 16;
453
454         if (tv_norm->kind == CTV_ENC_MODE) {
455                 dacclk |=  0x20;
456
457                 if (head)
458                         dacclk |= 0x100;
459                 else
460                         dacclk &= ~0x100;
461
462         } else {
463                 dacclk |= 0x10;
464
465         }
466
467         NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
468 }
469
470 static void nv17_tv_mode_set(struct drm_encoder *encoder,
471                              struct drm_display_mode *drm_mode,
472                              struct drm_display_mode *adjusted_mode)
473 {
474         struct drm_device *dev = encoder->dev;
475         struct nouveau_drm *drm = nouveau_drm(dev);
476         int head = nouveau_crtc(encoder->crtc)->index;
477         struct nv04_crtc_reg *regs = &nv04_display(dev)->mode_reg.crtc_reg[head];
478         struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
479         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
480         int i;
481
482         regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
483         regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
484         regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
485         regs->tv_setup = 1;
486         regs->ramdac_8c0 = 0x0;
487
488         if (tv_norm->kind == TV_ENC_MODE) {
489                 tv_regs->ptv_200 = 0x13111100;
490                 if (head)
491                         tv_regs->ptv_200 |= 0x10;
492
493                 tv_regs->ptv_20c = 0x808010;
494                 tv_regs->ptv_304 = 0x2d00000;
495                 tv_regs->ptv_600 = 0x0;
496                 tv_regs->ptv_60c = 0x0;
497                 tv_regs->ptv_610 = 0x1e00000;
498
499                 if (tv_norm->tv_enc_mode.vdisplay == 576) {
500                         tv_regs->ptv_508 = 0x1200000;
501                         tv_regs->ptv_614 = 0x33;
502
503                 } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
504                         tv_regs->ptv_508 = 0xf00000;
505                         tv_regs->ptv_614 = 0x13;
506                 }
507
508                 if (nv_device(drm->device)->card_type >= NV_30) {
509                         tv_regs->ptv_500 = 0xe8e0;
510                         tv_regs->ptv_504 = 0x1710;
511                         tv_regs->ptv_604 = 0x0;
512                         tv_regs->ptv_608 = 0x0;
513                 } else {
514                         if (tv_norm->tv_enc_mode.vdisplay == 576) {
515                                 tv_regs->ptv_604 = 0x20;
516                                 tv_regs->ptv_608 = 0x10;
517                                 tv_regs->ptv_500 = 0x19710;
518                                 tv_regs->ptv_504 = 0x68f0;
519
520                         } else if (tv_norm->tv_enc_mode.vdisplay == 480) {
521                                 tv_regs->ptv_604 = 0x10;
522                                 tv_regs->ptv_608 = 0x20;
523                                 tv_regs->ptv_500 = 0x4b90;
524                                 tv_regs->ptv_504 = 0x1b480;
525                         }
526                 }
527
528                 for (i = 0; i < 0x40; i++)
529                         tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
530
531         } else {
532                 struct drm_display_mode *output_mode =
533                                                 &tv_norm->ctv_enc_mode.mode;
534
535                 /* The registers in PRAMDAC+0xc00 control some timings and CSC
536                  * parameters for the CTV encoder (It's only used for "HD" TV
537                  * modes, I don't think I have enough working to guess what
538                  * they exactly mean...), it's probably connected at the
539                  * output of the FP encoder, but it also needs the analog
540                  * encoder in its OR enabled and routed to the head it's
541                  * using. It's enabled with the DACCLK register, bits [5:4].
542                  */
543                 for (i = 0; i < 38; i++)
544                         regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
545
546                 regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
547                 regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
548                 regs->fp_horiz_regs[FP_SYNC_START] =
549                                                 output_mode->hsync_start - 1;
550                 regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
551                 regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
552                         max((output_mode->hdisplay-600)/40 - 1, 1);
553
554                 regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
555                 regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
556                 regs->fp_vert_regs[FP_SYNC_START] =
557                                                 output_mode->vsync_start - 1;
558                 regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
559                 regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
560
561                 regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
562                         NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
563                         NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
564
565                 if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
566                         regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
567                 if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
568                         regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
569
570                 regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
571                         NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
572                         NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
573                         NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
574                         NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
575                         NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
576                         NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
577
578                 regs->fp_debug_2 = 0;
579
580                 regs->fp_margin_color = 0x801080;
581
582         }
583 }
584
585 static void nv17_tv_commit(struct drm_encoder *encoder)
586 {
587         struct drm_device *dev = encoder->dev;
588         struct nouveau_drm *drm = nouveau_drm(dev);
589         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
590         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
591         struct drm_encoder_helper_funcs *helper = encoder->helper_private;
592
593         if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
594                 nv17_tv_update_rescaler(encoder);
595                 nv17_tv_update_properties(encoder);
596         } else {
597                 nv17_ctv_update_rescaler(encoder);
598         }
599
600         nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
601
602         /* This could use refinement for flatpanels, but it should work */
603         if (nv_device(drm->device)->chipset < 0x44)
604                 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
605                                         nv04_dac_output_offset(encoder),
606                                         0xf0000000);
607         else
608                 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
609                                         nv04_dac_output_offset(encoder),
610                                         0x00100000);
611
612         helper->dpms(encoder, DRM_MODE_DPMS_ON);
613
614         NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
615                 drm_get_connector_name(
616                         &nouveau_encoder_connector_get(nv_encoder)->base),
617                 nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
618 }
619
620 static void nv17_tv_save(struct drm_encoder *encoder)
621 {
622         struct drm_device *dev = encoder->dev;
623         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
624
625         nouveau_encoder(encoder)->restore.output =
626                                         NVReadRAMDAC(dev, 0,
627                                         NV_PRAMDAC_DACCLK +
628                                         nv04_dac_output_offset(encoder));
629
630         nv17_tv_state_save(dev, &tv_enc->saved_state);
631
632         tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
633 }
634
635 static void nv17_tv_restore(struct drm_encoder *encoder)
636 {
637         struct drm_device *dev = encoder->dev;
638
639         NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
640                                 nv04_dac_output_offset(encoder),
641                                 nouveau_encoder(encoder)->restore.output);
642
643         nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
644
645         nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
646 }
647
648 static int nv17_tv_create_resources(struct drm_encoder *encoder,
649                                     struct drm_connector *connector)
650 {
651         struct drm_device *dev = encoder->dev;
652         struct nouveau_drm *drm = nouveau_drm(dev);
653         struct drm_mode_config *conf = &dev->mode_config;
654         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
655         struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
656         int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
657                                                         NUM_LD_TV_NORMS;
658         int i;
659
660         if (nouveau_tv_norm) {
661                 for (i = 0; i < num_tv_norms; i++) {
662                         if (!strcmp(nv17_tv_norm_names[i], nouveau_tv_norm)) {
663                                 tv_enc->tv_norm = i;
664                                 break;
665                         }
666                 }
667
668                 if (i == num_tv_norms)
669                         NV_WARN(drm, "Invalid TV norm setting \"%s\"\n",
670                                 nouveau_tv_norm);
671         }
672
673         drm_mode_create_tv_properties(dev, num_tv_norms, nv17_tv_norm_names);
674
675         drm_object_attach_property(&connector->base,
676                                         conf->tv_select_subconnector_property,
677                                         tv_enc->select_subconnector);
678         drm_object_attach_property(&connector->base,
679                                         conf->tv_subconnector_property,
680                                         tv_enc->subconnector);
681         drm_object_attach_property(&connector->base,
682                                         conf->tv_mode_property,
683                                         tv_enc->tv_norm);
684         drm_object_attach_property(&connector->base,
685                                         conf->tv_flicker_reduction_property,
686                                         tv_enc->flicker);
687         drm_object_attach_property(&connector->base,
688                                         conf->tv_saturation_property,
689                                         tv_enc->saturation);
690         drm_object_attach_property(&connector->base,
691                                         conf->tv_hue_property,
692                                         tv_enc->hue);
693         drm_object_attach_property(&connector->base,
694                                         conf->tv_overscan_property,
695                                         tv_enc->overscan);
696
697         return 0;
698 }
699
700 static int nv17_tv_set_property(struct drm_encoder *encoder,
701                                 struct drm_connector *connector,
702                                 struct drm_property *property,
703                                 uint64_t val)
704 {
705         struct drm_mode_config *conf = &encoder->dev->mode_config;
706         struct drm_crtc *crtc = encoder->crtc;
707         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
708         struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
709         bool modes_changed = false;
710
711         if (property == conf->tv_overscan_property) {
712                 tv_enc->overscan = val;
713                 if (encoder->crtc) {
714                         if (tv_norm->kind == CTV_ENC_MODE)
715                                 nv17_ctv_update_rescaler(encoder);
716                         else
717                                 nv17_tv_update_rescaler(encoder);
718                 }
719
720         } else if (property == conf->tv_saturation_property) {
721                 if (tv_norm->kind != TV_ENC_MODE)
722                         return -EINVAL;
723
724                 tv_enc->saturation = val;
725                 nv17_tv_update_properties(encoder);
726
727         } else if (property == conf->tv_hue_property) {
728                 if (tv_norm->kind != TV_ENC_MODE)
729                         return -EINVAL;
730
731                 tv_enc->hue = val;
732                 nv17_tv_update_properties(encoder);
733
734         } else if (property == conf->tv_flicker_reduction_property) {
735                 if (tv_norm->kind != TV_ENC_MODE)
736                         return -EINVAL;
737
738                 tv_enc->flicker = val;
739                 if (encoder->crtc)
740                         nv17_tv_update_rescaler(encoder);
741
742         } else if (property == conf->tv_mode_property) {
743                 if (connector->dpms != DRM_MODE_DPMS_OFF)
744                         return -EINVAL;
745
746                 tv_enc->tv_norm = val;
747
748                 modes_changed = true;
749
750         } else if (property == conf->tv_select_subconnector_property) {
751                 if (tv_norm->kind != TV_ENC_MODE)
752                         return -EINVAL;
753
754                 tv_enc->select_subconnector = val;
755                 nv17_tv_update_properties(encoder);
756
757         } else {
758                 return -EINVAL;
759         }
760
761         if (modes_changed) {
762                 drm_helper_probe_single_connector_modes(connector, 0, 0);
763
764                 /* Disable the crtc to ensure a full modeset is
765                  * performed whenever it's turned on again. */
766                 if (crtc) {
767                         struct drm_mode_set modeset = {
768                                 .crtc = crtc,
769                         };
770
771                         drm_mode_set_config_internal(&modeset);
772                 }
773         }
774
775         return 0;
776 }
777
778 static void nv17_tv_destroy(struct drm_encoder *encoder)
779 {
780         struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
781
782         drm_encoder_cleanup(encoder);
783         kfree(tv_enc);
784 }
785
786 static struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
787         .dpms = nv17_tv_dpms,
788         .save = nv17_tv_save,
789         .restore = nv17_tv_restore,
790         .mode_fixup = nv17_tv_mode_fixup,
791         .prepare = nv17_tv_prepare,
792         .commit = nv17_tv_commit,
793         .mode_set = nv17_tv_mode_set,
794         .detect = nv17_tv_detect,
795 };
796
797 static struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
798         .get_modes = nv17_tv_get_modes,
799         .mode_valid = nv17_tv_mode_valid,
800         .create_resources = nv17_tv_create_resources,
801         .set_property = nv17_tv_set_property,
802 };
803
804 static struct drm_encoder_funcs nv17_tv_funcs = {
805         .destroy = nv17_tv_destroy,
806 };
807
808 int
809 nv17_tv_create(struct drm_connector *connector, struct dcb_output *entry)
810 {
811         struct drm_device *dev = connector->dev;
812         struct drm_encoder *encoder;
813         struct nv17_tv_encoder *tv_enc = NULL;
814
815         tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
816         if (!tv_enc)
817                 return -ENOMEM;
818
819         tv_enc->overscan = 50;
820         tv_enc->flicker = 50;
821         tv_enc->saturation = 50;
822         tv_enc->hue = 0;
823         tv_enc->tv_norm = TV_NORM_PAL;
824         tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
825         tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
826         tv_enc->pin_mask = 0;
827
828         encoder = to_drm_encoder(&tv_enc->base);
829
830         tv_enc->base.dcb = entry;
831         tv_enc->base.or = ffs(entry->or) - 1;
832
833         drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC);
834         drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
835         to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
836
837         encoder->possible_crtcs = entry->heads;
838         encoder->possible_clones = 0;
839
840         nv17_tv_create_resources(encoder, connector);
841         drm_mode_connector_attach_encoder(connector, encoder);
842         return 0;
843 }