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_modeset_helper_vtables.h>
29 #include <drm/drm_probe_helper.h>
30 #include "nouveau_drv.h"
31 #include "nouveau_reg.h"
32 #include "nouveau_encoder.h"
33 #include "nouveau_connector.h"
34 #include "nouveau_crtc.h"
35 #include "hw.h"
36 #include "tvnv17.h"
37 
38 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
39 		 "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
40 		 "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
41 		 "\t\tDefault: PAL\n"
42 		 "\t\t*NOTE* Ignored for cards with external TV encoders.");
43 static char *nouveau_tv_norm;
44 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
45 
nv42_tv_sample_load(struct drm_encoder * encoder)46 static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
47 {
48 	struct drm_device *dev = encoder->dev;
49 	struct nouveau_drm *drm = nouveau_drm(dev);
50 	struct nvkm_gpio *gpio = nvxx_gpio(drm);
51 	uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
52 	uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
53 		fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
54 	uint32_t sample = 0;
55 	int head;
56 
57 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
58 	testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
59 	if (drm->vbios.tvdactestval)
60 		testval = drm->vbios.tvdactestval;
61 
62 	dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
63 	head = (dacclk & 0x100) >> 8;
64 
65 	/* Save the previous state. */
66 	gpio1 = nvkm_gpio_get(gpio, 0, DCB_GPIO_TVDAC1, 0xff);
67 	gpio0 = nvkm_gpio_get(gpio, 0, DCB_GPIO_TVDAC0, 0xff);
68 	fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
69 	fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
70 	fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
71 	fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
72 	test_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
73 	ctv_1c = NVReadRAMDAC(dev, head, 0x680c1c);
74 	ctv_14 = NVReadRAMDAC(dev, head, 0x680c14);
75 	ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
76 
77 	/* Prepare the DAC for load detection.  */
78 	nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, true);
79 	nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, true);
80 
81 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
82 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
83 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, 1183);
84 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL,
85 		      NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
86 		      NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12 |
87 		      NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
88 		      NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS |
89 		      NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS);
90 
91 	NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, 0);
92 
93 	NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
94 		      (dacclk & ~0xff) | 0x22);
95 	msleep(1);
96 	NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset,
97 		      (dacclk & ~0xff) | 0x21);
98 
99 	NVWriteRAMDAC(dev, head, 0x680c1c, 1 << 20);
100 	NVWriteRAMDAC(dev, head, 0x680c14, 4 << 16);
101 
102 	/* Sample pin 0x4 (usually S-video luma). */
103 	NVWriteRAMDAC(dev, head, 0x680c6c, testval >> 10 & 0x3ff);
104 	msleep(20);
105 	sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
106 		& 0x4 << 28;
107 
108 	/* Sample the remaining pins. */
109 	NVWriteRAMDAC(dev, head, 0x680c6c, testval & 0x3ff);
110 	msleep(20);
111 	sample |= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset)
112 		& 0xa << 28;
113 
114 	/* Restore the previous state. */
115 	NVWriteRAMDAC(dev, head, 0x680c1c, ctv_1c);
116 	NVWriteRAMDAC(dev, head, 0x680c14, ctv_14);
117 	NVWriteRAMDAC(dev, head, 0x680c6c, ctv_6c);
118 	NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, dacclk);
119 	NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, test_ctrl);
120 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, fp_control);
121 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
122 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
123 	NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
124 	nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, gpio1);
125 	nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, gpio0);
126 
127 	return sample;
128 }
129 
130 static bool
get_tv_detect_quirks(struct drm_device * dev,uint32_t * pin_mask)131 get_tv_detect_quirks(struct drm_device *dev, uint32_t *pin_mask)
132 {
133 	struct nouveau_drm *drm = nouveau_drm(dev);
134 	struct nvkm_device *device = nvxx_device(drm);
135 
136 	if (device->quirk && device->quirk->tv_pin_mask) {
137 		*pin_mask = device->quirk->tv_pin_mask;
138 		return false;
139 	}
140 
141 	return true;
142 }
143 
144 static enum drm_connector_status
nv17_tv_detect(struct drm_encoder * encoder,struct drm_connector * connector)145 nv17_tv_detect(struct drm_encoder *encoder, struct drm_connector *connector)
146 {
147 	struct drm_device *dev = encoder->dev;
148 	struct nouveau_drm *drm = nouveau_drm(dev);
149 	struct drm_mode_config *conf = &dev->mode_config;
150 	struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
151 	struct dcb_output *dcb = tv_enc->base.dcb;
152 	bool reliable = get_tv_detect_quirks(dev, &tv_enc->pin_mask);
153 
154 	if (nv04_dac_in_use(encoder))
155 		return connector_status_disconnected;
156 
157 	if (reliable) {
158 		if (drm->client.device.info.chipset == 0x42 ||
159 		    drm->client.device.info.chipset == 0x43)
160 			tv_enc->pin_mask =
161 				nv42_tv_sample_load(encoder) >> 28 & 0xe;
162 		else
163 			tv_enc->pin_mask =
164 				nv17_dac_sample_load(encoder) >> 28 & 0xe;
165 	}
166 
167 	switch (tv_enc->pin_mask) {
168 	case 0x2:
169 	case 0x4:
170 		tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Composite;
171 		break;
172 	case 0xc:
173 		tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO;
174 		break;
175 	case 0xe:
176 		if (dcb->tvconf.has_component_output)
177 			tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Component;
178 		else
179 			tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_SCART;
180 		break;
181 	default:
182 		tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
183 		break;
184 	}
185 
186 	drm_object_property_set_value(&connector->base,
187 					 conf->tv_subconnector_property,
188 					 tv_enc->subconnector);
189 
190 	if (!reliable) {
191 		return connector_status_unknown;
192 	} else if (tv_enc->subconnector) {
193 		NV_INFO(drm, "Load detected on output %c\n",
194 			'@' + ffs(dcb->or));
195 		return connector_status_connected;
196 	} else {
197 		return connector_status_disconnected;
198 	}
199 }
200 
nv17_tv_get_ld_modes(struct drm_encoder * encoder,struct drm_connector * connector)201 static int nv17_tv_get_ld_modes(struct drm_encoder *encoder,
202 				struct drm_connector *connector)
203 {
204 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
205 	const struct drm_display_mode *tv_mode;
206 	int n = 0;
207 
208 	for (tv_mode = nv17_tv_modes; tv_mode->hdisplay; tv_mode++) {
209 		struct drm_display_mode *mode;
210 
211 		mode = drm_mode_duplicate(encoder->dev, tv_mode);
212 		if (!mode)
213 			continue;
214 
215 		mode->clock = tv_norm->tv_enc_mode.vrefresh *
216 			mode->htotal / 1000 *
217 			mode->vtotal / 1000;
218 
219 		if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
220 			mode->clock *= 2;
221 
222 		if (mode->hdisplay == tv_norm->tv_enc_mode.hdisplay &&
223 		    mode->vdisplay == tv_norm->tv_enc_mode.vdisplay)
224 			mode->type |= DRM_MODE_TYPE_PREFERRED;
225 
226 		drm_mode_probed_add(connector, mode);
227 		n++;
228 	}
229 
230 	return n;
231 }
232 
nv17_tv_get_hd_modes(struct drm_encoder * encoder,struct drm_connector * connector)233 static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
234 				struct drm_connector *connector)
235 {
236 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
237 	struct drm_display_mode *output_mode = &tv_norm->ctv_enc_mode.mode;
238 	struct drm_display_mode *mode;
239 	const struct {
240 		int hdisplay;
241 		int vdisplay;
242 	} modes[] = {
243 		{ 640, 400 },
244 		{ 640, 480 },
245 		{ 720, 480 },
246 		{ 720, 576 },
247 		{ 800, 600 },
248 		{ 1024, 768 },
249 		{ 1280, 720 },
250 		{ 1280, 1024 },
251 		{ 1920, 1080 }
252 	};
253 	int i, n = 0;
254 
255 	for (i = 0; i < ARRAY_SIZE(modes); i++) {
256 		if (modes[i].hdisplay > output_mode->hdisplay ||
257 		    modes[i].vdisplay > output_mode->vdisplay)
258 			continue;
259 
260 		if (modes[i].hdisplay == output_mode->hdisplay &&
261 		    modes[i].vdisplay == output_mode->vdisplay) {
262 			mode = drm_mode_duplicate(encoder->dev, output_mode);
263 			if (!mode)
264 				continue;
265 			mode->type |= DRM_MODE_TYPE_PREFERRED;
266 
267 		} else {
268 			mode = drm_cvt_mode(encoder->dev, modes[i].hdisplay,
269 					    modes[i].vdisplay, 60, false,
270 					    (output_mode->flags &
271 					     DRM_MODE_FLAG_INTERLACE), false);
272 			if (!mode)
273 				continue;
274 		}
275 
276 		/* CVT modes are sometimes unsuitable... */
277 		if (output_mode->hdisplay <= 720
278 		    || output_mode->hdisplay >= 1920) {
279 			mode->htotal = output_mode->htotal;
280 			mode->hsync_start = (mode->hdisplay + (mode->htotal
281 					     - mode->hdisplay) * 9 / 10) & ~7;
282 			mode->hsync_end = mode->hsync_start + 8;
283 		}
284 
285 		if (output_mode->vdisplay >= 1024) {
286 			mode->vtotal = output_mode->vtotal;
287 			mode->vsync_start = output_mode->vsync_start;
288 			mode->vsync_end = output_mode->vsync_end;
289 		}
290 
291 		mode->type |= DRM_MODE_TYPE_DRIVER;
292 		drm_mode_probed_add(connector, mode);
293 		n++;
294 	}
295 
296 	return n;
297 }
298 
nv17_tv_get_modes(struct drm_encoder * encoder,struct drm_connector * connector)299 static int nv17_tv_get_modes(struct drm_encoder *encoder,
300 			     struct drm_connector *connector)
301 {
302 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
303 
304 	if (tv_norm->kind == CTV_ENC_MODE)
305 		return nv17_tv_get_hd_modes(encoder, connector);
306 	else
307 		return nv17_tv_get_ld_modes(encoder, connector);
308 }
309 
nv17_tv_mode_valid(struct drm_encoder * encoder,struct drm_display_mode * mode)310 static int nv17_tv_mode_valid(struct drm_encoder *encoder,
311 			      struct drm_display_mode *mode)
312 {
313 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
314 
315 	if (tv_norm->kind == CTV_ENC_MODE) {
316 		struct drm_display_mode *output_mode =
317 						&tv_norm->ctv_enc_mode.mode;
318 
319 		if (mode->clock > 400000)
320 			return MODE_CLOCK_HIGH;
321 
322 		if (mode->hdisplay > output_mode->hdisplay ||
323 		    mode->vdisplay > output_mode->vdisplay)
324 			return MODE_BAD;
325 
326 		if ((mode->flags & DRM_MODE_FLAG_INTERLACE) !=
327 		    (output_mode->flags & DRM_MODE_FLAG_INTERLACE))
328 			return MODE_NO_INTERLACE;
329 
330 		if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
331 			return MODE_NO_DBLESCAN;
332 
333 	} else {
334 		const int vsync_tolerance = 600;
335 
336 		if (mode->clock > 70000)
337 			return MODE_CLOCK_HIGH;
338 
339 		if (abs(drm_mode_vrefresh(mode) * 1000 -
340 			tv_norm->tv_enc_mode.vrefresh) > vsync_tolerance)
341 			return MODE_VSYNC;
342 
343 		/* The encoder takes care of the actual interlacing */
344 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
345 			return MODE_NO_INTERLACE;
346 	}
347 
348 	return MODE_OK;
349 }
350 
nv17_tv_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)351 static bool nv17_tv_mode_fixup(struct drm_encoder *encoder,
352 			       const struct drm_display_mode *mode,
353 			       struct drm_display_mode *adjusted_mode)
354 {
355 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
356 
357 	if (nv04_dac_in_use(encoder))
358 		return false;
359 
360 	if (tv_norm->kind == CTV_ENC_MODE)
361 		adjusted_mode->clock = tv_norm->ctv_enc_mode.mode.clock;
362 	else
363 		adjusted_mode->clock = 90000;
364 
365 	return true;
366 }
367 
nv17_tv_dpms(struct drm_encoder * encoder,int mode)368 static void  nv17_tv_dpms(struct drm_encoder *encoder, int mode)
369 {
370 	struct drm_device *dev = encoder->dev;
371 	struct nouveau_drm *drm = nouveau_drm(dev);
372 	struct nvkm_gpio *gpio = nvxx_gpio(drm);
373 	struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
374 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
375 
376 	if (nouveau_encoder(encoder)->last_dpms == mode)
377 		return;
378 	nouveau_encoder(encoder)->last_dpms = mode;
379 
380 	NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
381 		 mode, nouveau_encoder(encoder)->dcb->index);
382 
383 	regs->ptv_200 &= ~1;
384 
385 	if (tv_norm->kind == CTV_ENC_MODE) {
386 		nv04_dfp_update_fp_control(encoder, mode);
387 
388 	} else {
389 		nv04_dfp_update_fp_control(encoder, DRM_MODE_DPMS_OFF);
390 
391 		if (mode == DRM_MODE_DPMS_ON)
392 			regs->ptv_200 |= 1;
393 	}
394 
395 	nv_load_ptv(dev, regs, 200);
396 
397 	nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, mode == DRM_MODE_DPMS_ON);
398 	nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, mode == DRM_MODE_DPMS_ON);
399 
400 	nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
401 }
402 
nv17_tv_prepare(struct drm_encoder * encoder)403 static void nv17_tv_prepare(struct drm_encoder *encoder)
404 {
405 	struct drm_device *dev = encoder->dev;
406 	struct nouveau_drm *drm = nouveau_drm(dev);
407 	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
408 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
409 	int head = nouveau_crtc(encoder->crtc)->index;
410 	uint8_t *cr_lcd = &nv04_display(dev)->mode_reg.crtc_reg[head].CRTC[
411 							NV_CIO_CRE_LCD__INDEX];
412 	uint32_t dacclk_off = NV_PRAMDAC_DACCLK +
413 					nv04_dac_output_offset(encoder);
414 	uint32_t dacclk;
415 
416 	helper->dpms(encoder, DRM_MODE_DPMS_OFF);
417 
418 	nv04_dfp_disable(dev, head);
419 
420 	/* Unbind any FP encoders from this head if we need the FP
421 	 * stuff enabled. */
422 	if (tv_norm->kind == CTV_ENC_MODE) {
423 		struct drm_encoder *enc;
424 
425 		list_for_each_entry(enc, &dev->mode_config.encoder_list, head) {
426 			struct dcb_output *dcb = nouveau_encoder(enc)->dcb;
427 
428 			if ((dcb->type == DCB_OUTPUT_TMDS ||
429 			     dcb->type == DCB_OUTPUT_LVDS) &&
430 			     !enc->crtc &&
431 			     nv04_dfp_get_bound_head(dev, dcb) == head) {
432 				nv04_dfp_bind_head(dev, dcb, head ^ 1,
433 						drm->vbios.fp.dual_link);
434 			}
435 		}
436 
437 	}
438 
439 	if (tv_norm->kind == CTV_ENC_MODE)
440 		*cr_lcd |= 0x1 | (head ? 0x0 : 0x8);
441 
442 	/* Set the DACCLK register */
443 	dacclk = (NVReadRAMDAC(dev, 0, dacclk_off) & ~0x30) | 0x1;
444 
445 	if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE)
446 		dacclk |= 0x1a << 16;
447 
448 	if (tv_norm->kind == CTV_ENC_MODE) {
449 		dacclk |=  0x20;
450 
451 		if (head)
452 			dacclk |= 0x100;
453 		else
454 			dacclk &= ~0x100;
455 
456 	} else {
457 		dacclk |= 0x10;
458 
459 	}
460 
461 	NVWriteRAMDAC(dev, 0, dacclk_off, dacclk);
462 }
463 
nv17_tv_mode_set(struct drm_encoder * encoder,struct drm_display_mode * drm_mode,struct drm_display_mode * adjusted_mode)464 static void nv17_tv_mode_set(struct drm_encoder *encoder,
465 			     struct drm_display_mode *drm_mode,
466 			     struct drm_display_mode *adjusted_mode)
467 {
468 	struct drm_device *dev = encoder->dev;
469 	struct nouveau_drm *drm = nouveau_drm(dev);
470 	int head = nouveau_crtc(encoder->crtc)->index;
471 	struct nv04_crtc_reg *regs = &nv04_display(dev)->mode_reg.crtc_reg[head];
472 	struct nv17_tv_state *tv_regs = &to_tv_enc(encoder)->state;
473 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
474 	int i;
475 
476 	regs->CRTC[NV_CIO_CRE_53] = 0x40; /* FP_HTIMING */
477 	regs->CRTC[NV_CIO_CRE_54] = 0; /* FP_VTIMING */
478 	regs->ramdac_630 = 0x2; /* turn off green mode (tv test pattern?) */
479 	regs->tv_setup = 1;
480 	regs->ramdac_8c0 = 0x0;
481 
482 	if (tv_norm->kind == TV_ENC_MODE) {
483 		tv_regs->ptv_200 = 0x13111100;
484 		if (head)
485 			tv_regs->ptv_200 |= 0x10;
486 
487 		tv_regs->ptv_20c = 0x808010;
488 		tv_regs->ptv_304 = 0x2d00000;
489 		tv_regs->ptv_600 = 0x0;
490 		tv_regs->ptv_60c = 0x0;
491 		tv_regs->ptv_610 = 0x1e00000;
492 
493 		if (tv_norm->tv_enc_mode.vdisplay == 576) {
494 			tv_regs->ptv_508 = 0x1200000;
495 			tv_regs->ptv_614 = 0x33;
496 
497 		} else if (tv_norm->tv_enc_mode.vdisplay == 480) {
498 			tv_regs->ptv_508 = 0xf00000;
499 			tv_regs->ptv_614 = 0x13;
500 		}
501 
502 		if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_RANKINE) {
503 			tv_regs->ptv_500 = 0xe8e0;
504 			tv_regs->ptv_504 = 0x1710;
505 			tv_regs->ptv_604 = 0x0;
506 			tv_regs->ptv_608 = 0x0;
507 		} else {
508 			if (tv_norm->tv_enc_mode.vdisplay == 576) {
509 				tv_regs->ptv_604 = 0x20;
510 				tv_regs->ptv_608 = 0x10;
511 				tv_regs->ptv_500 = 0x19710;
512 				tv_regs->ptv_504 = 0x68f0;
513 
514 			} else if (tv_norm->tv_enc_mode.vdisplay == 480) {
515 				tv_regs->ptv_604 = 0x10;
516 				tv_regs->ptv_608 = 0x20;
517 				tv_regs->ptv_500 = 0x4b90;
518 				tv_regs->ptv_504 = 0x1b480;
519 			}
520 		}
521 
522 		for (i = 0; i < 0x40; i++)
523 			tv_regs->tv_enc[i] = tv_norm->tv_enc_mode.tv_enc[i];
524 
525 	} else {
526 		struct drm_display_mode *output_mode =
527 						&tv_norm->ctv_enc_mode.mode;
528 
529 		/* The registers in PRAMDAC+0xc00 control some timings and CSC
530 		 * parameters for the CTV encoder (It's only used for "HD" TV
531 		 * modes, I don't think I have enough working to guess what
532 		 * they exactly mean...), it's probably connected at the
533 		 * output of the FP encoder, but it also needs the analog
534 		 * encoder in its OR enabled and routed to the head it's
535 		 * using. It's enabled with the DACCLK register, bits [5:4].
536 		 */
537 		for (i = 0; i < 38; i++)
538 			regs->ctv_regs[i] = tv_norm->ctv_enc_mode.ctv_regs[i];
539 
540 		regs->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1;
541 		regs->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
542 		regs->fp_horiz_regs[FP_SYNC_START] =
543 						output_mode->hsync_start - 1;
544 		regs->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
545 		regs->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay +
546 			max((output_mode->hdisplay-600)/40 - 1, 1);
547 
548 		regs->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1;
549 		regs->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1;
550 		regs->fp_vert_regs[FP_SYNC_START] =
551 						output_mode->vsync_start - 1;
552 		regs->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1;
553 		regs->fp_vert_regs[FP_CRTC] = output_mode->vdisplay - 1;
554 
555 		regs->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS |
556 			NV_PRAMDAC_FP_TG_CONTROL_READ_PROG |
557 			NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12;
558 
559 		if (output_mode->flags & DRM_MODE_FLAG_PVSYNC)
560 			regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS;
561 		if (output_mode->flags & DRM_MODE_FLAG_PHSYNC)
562 			regs->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS;
563 
564 		regs->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND |
565 			NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND |
566 			NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR |
567 			NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR |
568 			NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED |
569 			NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE |
570 			NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE;
571 
572 		regs->fp_debug_2 = 0;
573 
574 		regs->fp_margin_color = 0x801080;
575 
576 	}
577 }
578 
nv17_tv_commit(struct drm_encoder * encoder)579 static void nv17_tv_commit(struct drm_encoder *encoder)
580 {
581 	struct drm_device *dev = encoder->dev;
582 	struct nouveau_drm *drm = nouveau_drm(dev);
583 	struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
584 	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
585 	const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
586 
587 	if (get_tv_norm(encoder)->kind == TV_ENC_MODE) {
588 		nv17_tv_update_rescaler(encoder);
589 		nv17_tv_update_properties(encoder);
590 	} else {
591 		nv17_ctv_update_rescaler(encoder);
592 	}
593 
594 	nv17_tv_state_load(dev, &to_tv_enc(encoder)->state);
595 
596 	/* This could use refinement for flatpanels, but it should work */
597 	if (drm->client.device.info.chipset < 0x44)
598 		NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
599 					nv04_dac_output_offset(encoder),
600 					0xf0000000);
601 	else
602 		NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL +
603 					nv04_dac_output_offset(encoder),
604 					0x00100000);
605 
606 	helper->dpms(encoder, DRM_MODE_DPMS_ON);
607 
608 	NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
609 		nv04_encoder_get_connector(nv_encoder)->base.name,
610 		nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
611 }
612 
nv17_tv_save(struct drm_encoder * encoder)613 static void nv17_tv_save(struct drm_encoder *encoder)
614 {
615 	struct drm_device *dev = encoder->dev;
616 	struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
617 
618 	nouveau_encoder(encoder)->restore.output =
619 					NVReadRAMDAC(dev, 0,
620 					NV_PRAMDAC_DACCLK +
621 					nv04_dac_output_offset(encoder));
622 
623 	nv17_tv_state_save(dev, &tv_enc->saved_state);
624 
625 	tv_enc->state.ptv_200 = tv_enc->saved_state.ptv_200;
626 }
627 
nv17_tv_restore(struct drm_encoder * encoder)628 static void nv17_tv_restore(struct drm_encoder *encoder)
629 {
630 	struct drm_device *dev = encoder->dev;
631 
632 	NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK +
633 				nv04_dac_output_offset(encoder),
634 				nouveau_encoder(encoder)->restore.output);
635 
636 	nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
637 
638 	nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
639 }
640 
nv17_tv_create_resources(struct drm_encoder * encoder,struct drm_connector * connector)641 static int nv17_tv_create_resources(struct drm_encoder *encoder,
642 				    struct drm_connector *connector)
643 {
644 	struct drm_device *dev = encoder->dev;
645 	struct nouveau_drm *drm = nouveau_drm(dev);
646 	struct drm_mode_config *conf = &dev->mode_config;
647 	struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
648 	struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
649 	int num_tv_norms = dcb->tvconf.has_component_output ? NUM_TV_NORMS :
650 							NUM_LD_TV_NORMS;
651 	int i;
652 
653 	if (nouveau_tv_norm) {
654 		i = match_string(nv17_tv_norm_names, num_tv_norms,
655 				 nouveau_tv_norm);
656 		if (i < 0)
657 			NV_WARN(drm, "Invalid TV norm setting \"%s\"\n",
658 				nouveau_tv_norm);
659 		else
660 			tv_enc->tv_norm = i;
661 	}
662 
663 	drm_mode_create_tv_properties_legacy(dev, num_tv_norms, nv17_tv_norm_names);
664 
665 	drm_object_attach_property(&connector->base,
666 					conf->tv_select_subconnector_property,
667 					tv_enc->select_subconnector);
668 	drm_object_attach_property(&connector->base,
669 					conf->tv_subconnector_property,
670 					tv_enc->subconnector);
671 	drm_object_attach_property(&connector->base,
672 					conf->legacy_tv_mode_property,
673 					tv_enc->tv_norm);
674 	drm_object_attach_property(&connector->base,
675 					conf->tv_flicker_reduction_property,
676 					tv_enc->flicker);
677 	drm_object_attach_property(&connector->base,
678 					conf->tv_saturation_property,
679 					tv_enc->saturation);
680 	drm_object_attach_property(&connector->base,
681 					conf->tv_hue_property,
682 					tv_enc->hue);
683 	drm_object_attach_property(&connector->base,
684 					conf->tv_overscan_property,
685 					tv_enc->overscan);
686 
687 	return 0;
688 }
689 
nv17_tv_set_property(struct drm_encoder * encoder,struct drm_connector * connector,struct drm_property * property,uint64_t val)690 static int nv17_tv_set_property(struct drm_encoder *encoder,
691 				struct drm_connector *connector,
692 				struct drm_property *property,
693 				uint64_t val)
694 {
695 	struct drm_mode_config *conf = &encoder->dev->mode_config;
696 	struct drm_crtc *crtc = encoder->crtc;
697 	struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
698 	struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
699 	bool modes_changed = false;
700 
701 	if (property == conf->tv_overscan_property) {
702 		tv_enc->overscan = val;
703 		if (encoder->crtc) {
704 			if (tv_norm->kind == CTV_ENC_MODE)
705 				nv17_ctv_update_rescaler(encoder);
706 			else
707 				nv17_tv_update_rescaler(encoder);
708 		}
709 
710 	} else if (property == conf->tv_saturation_property) {
711 		if (tv_norm->kind != TV_ENC_MODE)
712 			return -EINVAL;
713 
714 		tv_enc->saturation = val;
715 		nv17_tv_update_properties(encoder);
716 
717 	} else if (property == conf->tv_hue_property) {
718 		if (tv_norm->kind != TV_ENC_MODE)
719 			return -EINVAL;
720 
721 		tv_enc->hue = val;
722 		nv17_tv_update_properties(encoder);
723 
724 	} else if (property == conf->tv_flicker_reduction_property) {
725 		if (tv_norm->kind != TV_ENC_MODE)
726 			return -EINVAL;
727 
728 		tv_enc->flicker = val;
729 		if (encoder->crtc)
730 			nv17_tv_update_rescaler(encoder);
731 
732 	} else if (property == conf->legacy_tv_mode_property) {
733 		if (connector->dpms != DRM_MODE_DPMS_OFF)
734 			return -EINVAL;
735 
736 		tv_enc->tv_norm = val;
737 
738 		modes_changed = true;
739 
740 	} else if (property == conf->tv_select_subconnector_property) {
741 		if (tv_norm->kind != TV_ENC_MODE)
742 			return -EINVAL;
743 
744 		tv_enc->select_subconnector = val;
745 		nv17_tv_update_properties(encoder);
746 
747 	} else {
748 		return -EINVAL;
749 	}
750 
751 	if (modes_changed) {
752 		drm_helper_probe_single_connector_modes(connector, 0, 0);
753 
754 		/* Disable the crtc to ensure a full modeset is
755 		 * performed whenever it's turned on again. */
756 		if (crtc)
757 			drm_crtc_helper_set_mode(crtc, &crtc->mode,
758 						 crtc->x, crtc->y,
759 						 crtc->primary->fb);
760 	}
761 
762 	return 0;
763 }
764 
nv17_tv_destroy(struct drm_encoder * encoder)765 static void nv17_tv_destroy(struct drm_encoder *encoder)
766 {
767 	struct nv17_tv_encoder *tv_enc = to_tv_enc(encoder);
768 
769 	drm_encoder_cleanup(encoder);
770 	kfree(tv_enc);
771 }
772 
773 static const struct drm_encoder_helper_funcs nv17_tv_helper_funcs = {
774 	.dpms = nv17_tv_dpms,
775 	.mode_fixup = nv17_tv_mode_fixup,
776 	.prepare = nv17_tv_prepare,
777 	.commit = nv17_tv_commit,
778 	.mode_set = nv17_tv_mode_set,
779 	.detect = nv17_tv_detect,
780 };
781 
782 static const struct drm_encoder_slave_funcs nv17_tv_slave_funcs = {
783 	.get_modes = nv17_tv_get_modes,
784 	.mode_valid = nv17_tv_mode_valid,
785 	.create_resources = nv17_tv_create_resources,
786 	.set_property = nv17_tv_set_property,
787 };
788 
789 static const struct drm_encoder_funcs nv17_tv_funcs = {
790 	.destroy = nv17_tv_destroy,
791 };
792 
793 int
nv17_tv_create(struct drm_connector * connector,struct dcb_output * entry)794 nv17_tv_create(struct drm_connector *connector, struct dcb_output *entry)
795 {
796 	struct drm_device *dev = connector->dev;
797 	struct drm_encoder *encoder;
798 	struct nv17_tv_encoder *tv_enc = NULL;
799 
800 	tv_enc = kzalloc(sizeof(*tv_enc), GFP_KERNEL);
801 	if (!tv_enc)
802 		return -ENOMEM;
803 
804 	tv_enc->overscan = 50;
805 	tv_enc->flicker = 50;
806 	tv_enc->saturation = 50;
807 	tv_enc->hue = 0;
808 	tv_enc->tv_norm = TV_NORM_PAL;
809 	tv_enc->subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
810 	tv_enc->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic;
811 	tv_enc->pin_mask = 0;
812 
813 	encoder = to_drm_encoder(&tv_enc->base);
814 
815 	tv_enc->base.dcb = entry;
816 	tv_enc->base.or = ffs(entry->or) - 1;
817 
818 	drm_encoder_init(dev, encoder, &nv17_tv_funcs, DRM_MODE_ENCODER_TVDAC,
819 			 NULL);
820 	drm_encoder_helper_add(encoder, &nv17_tv_helper_funcs);
821 	to_encoder_slave(encoder)->slave_funcs = &nv17_tv_slave_funcs;
822 
823 	tv_enc->base.enc_save = nv17_tv_save;
824 	tv_enc->base.enc_restore = nv17_tv_restore;
825 
826 	encoder->possible_crtcs = entry->heads;
827 	encoder->possible_clones = 0;
828 
829 	nv17_tv_create_resources(encoder, connector);
830 	drm_connector_attach_encoder(connector, encoder);
831 	return 0;
832 }
833