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