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
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->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
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 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
151static enum drm_connector_status
152nv17_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
208static 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
238static 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
300static 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
311static 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
352static 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
369static 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
404static 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
465static 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
580static 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
614static 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
629static 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
642static 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
694static 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
772static 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
780static 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
791static 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
798static struct drm_encoder_funcs nv17_tv_funcs = {
799	.destroy = nv17_tv_destroy,
800};
801
802int
803nv17_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}
838