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 
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 
nv42_tv_sample_load(struct drm_encoder * encoder)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->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 
129 static bool
get_tv_detect_quirks(struct drm_device * dev,uint32_t * pin_mask)130 get_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 
143 static enum drm_connector_status
nv17_tv_detect(struct drm_encoder * encoder,struct drm_connector * connector)144 nv17_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 
nv17_tv_get_ld_modes(struct drm_encoder * encoder,struct drm_connector * connector)200 static 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 
nv17_tv_get_hd_modes(struct drm_encoder * encoder,struct drm_connector * connector)230 static 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 
nv17_tv_get_modes(struct drm_encoder * encoder,struct drm_connector * connector)292 static 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 
nv17_tv_mode_valid(struct drm_encoder * encoder,struct drm_display_mode * mode)303 static 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 
nv17_tv_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)344 static 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 
nv17_tv_dpms(struct drm_encoder * encoder,int mode)361 static 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 
nv17_tv_prepare(struct drm_encoder * encoder)396 static 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 
nv17_tv_mode_set(struct drm_encoder * encoder,struct drm_display_mode * drm_mode,struct drm_display_mode * adjusted_mode)457 static 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 
nv17_tv_commit(struct drm_encoder * encoder)572 static 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 
nv17_tv_save(struct drm_encoder * encoder)606 static 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 
nv17_tv_restore(struct drm_encoder * encoder)621 static 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 
nv17_tv_create_resources(struct drm_encoder * encoder,struct drm_connector * connector)634 static 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 
nv17_tv_set_property(struct drm_encoder * encoder,struct drm_connector * connector,struct drm_property * property,uint64_t val)683 static 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 
nv17_tv_destroy(struct drm_encoder * encoder)758 static 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 
766 static 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 
775 static 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 
782 static const struct drm_encoder_funcs nv17_tv_funcs = {
783 	.destroy = nv17_tv_destroy,
784 };
785 
786 int
nv17_tv_create(struct drm_connector * connector,struct dcb_output * entry)787 nv17_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