1 /*
2  * Copyright 2007-8 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: Dave Airlie
24  *          Alex Deucher
25  */
26 #include <drm/drmP.h>
27 #include <drm/drm_crtc_helper.h>
28 #include <drm/radeon_drm.h>
29 #include "radeon.h"
30 #include "radeon_asic.h"
31 #include "atom.h"
32 #include <linux/delay.h>
33 
34 static void radeon_legacy_encoder_disable(struct drm_encoder *encoder)
35 {
36 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
37 	const struct drm_encoder_helper_funcs *encoder_funcs;
38 
39 	encoder_funcs = encoder->helper_private;
40 	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
41 	radeon_encoder->active_device = 0;
42 }
43 
44 static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
45 {
46 	struct drm_device *dev = encoder->dev;
47 	struct radeon_device *rdev = dev->dev_private;
48 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
49 	uint32_t lvds_gen_cntl, lvds_pll_cntl, pixclks_cntl, disp_pwr_man;
50 	int panel_pwr_delay = 2000;
51 	bool is_mac = false;
52 	uint8_t backlight_level;
53 	DRM_DEBUG_KMS("\n");
54 
55 	lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
56 	backlight_level = (lvds_gen_cntl >> RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
57 
58 	if (radeon_encoder->enc_priv) {
59 		if (rdev->is_atom_bios) {
60 			struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
61 			panel_pwr_delay = lvds->panel_pwr_delay;
62 			if (lvds->bl_dev)
63 				backlight_level = lvds->backlight_level;
64 		} else {
65 			struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
66 			panel_pwr_delay = lvds->panel_pwr_delay;
67 			if (lvds->bl_dev)
68 				backlight_level = lvds->backlight_level;
69 		}
70 	}
71 
72 	/* macs (and possibly some x86 oem systems?) wire up LVDS strangely
73 	 * Taken from radeonfb.
74 	 */
75 	if ((rdev->mode_info.connector_table == CT_IBOOK) ||
76 	    (rdev->mode_info.connector_table == CT_POWERBOOK_EXTERNAL) ||
77 	    (rdev->mode_info.connector_table == CT_POWERBOOK_INTERNAL) ||
78 	    (rdev->mode_info.connector_table == CT_POWERBOOK_VGA))
79 		is_mac = true;
80 
81 	switch (mode) {
82 	case DRM_MODE_DPMS_ON:
83 		disp_pwr_man = RREG32(RADEON_DISP_PWR_MAN);
84 		disp_pwr_man |= RADEON_AUTO_PWRUP_EN;
85 		WREG32(RADEON_DISP_PWR_MAN, disp_pwr_man);
86 		lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
87 		lvds_pll_cntl |= RADEON_LVDS_PLL_EN;
88 		WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
89 		mdelay(1);
90 
91 		lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
92 		lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET;
93 		WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
94 
95 		lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS |
96 				   RADEON_LVDS_BL_MOD_LEVEL_MASK);
97 		lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN |
98 				  RADEON_LVDS_DIGON | RADEON_LVDS_BLON |
99 				  (backlight_level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT));
100 		if (is_mac)
101 			lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
102 		mdelay(panel_pwr_delay);
103 		WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
104 		break;
105 	case DRM_MODE_DPMS_STANDBY:
106 	case DRM_MODE_DPMS_SUSPEND:
107 	case DRM_MODE_DPMS_OFF:
108 		pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
109 		WREG32_PLL_P(RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
110 		lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
111 		if (is_mac) {
112 			lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
113 			WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
114 			lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN);
115 		} else {
116 			WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
117 			lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
118 		}
119 		mdelay(panel_pwr_delay);
120 		WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
121 		WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
122 		mdelay(panel_pwr_delay);
123 		break;
124 	}
125 
126 	if (rdev->is_atom_bios)
127 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
128 	else
129 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
130 
131 }
132 
133 static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
134 {
135 	struct radeon_device *rdev = encoder->dev->dev_private;
136 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
137 	DRM_DEBUG("\n");
138 
139 	if (radeon_encoder->enc_priv) {
140 		if (rdev->is_atom_bios) {
141 			struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
142 			lvds->dpms_mode = mode;
143 		} else {
144 			struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
145 			lvds->dpms_mode = mode;
146 		}
147 	}
148 
149 	radeon_legacy_lvds_update(encoder, mode);
150 }
151 
152 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder)
153 {
154 	struct radeon_device *rdev = encoder->dev->dev_private;
155 
156 	if (rdev->is_atom_bios)
157 		radeon_atom_output_lock(encoder, true);
158 	else
159 		radeon_combios_output_lock(encoder, true);
160 	radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_OFF);
161 }
162 
163 static void radeon_legacy_lvds_commit(struct drm_encoder *encoder)
164 {
165 	struct radeon_device *rdev = encoder->dev->dev_private;
166 
167 	radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_ON);
168 	if (rdev->is_atom_bios)
169 		radeon_atom_output_lock(encoder, false);
170 	else
171 		radeon_combios_output_lock(encoder, false);
172 }
173 
174 static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder,
175 					struct drm_display_mode *mode,
176 					struct drm_display_mode *adjusted_mode)
177 {
178 	struct drm_device *dev = encoder->dev;
179 	struct radeon_device *rdev = dev->dev_private;
180 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
181 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
182 	uint32_t lvds_pll_cntl, lvds_gen_cntl, lvds_ss_gen_cntl;
183 
184 	DRM_DEBUG_KMS("\n");
185 
186 	lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
187 	lvds_pll_cntl &= ~RADEON_LVDS_PLL_EN;
188 
189 	lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
190 	if (rdev->is_atom_bios) {
191 		/* LVDS_GEN_CNTL parameters are computed in LVDSEncoderControl
192 		 * need to call that on resume to set up the reg properly.
193 		 */
194 		radeon_encoder->pixel_clock = adjusted_mode->clock;
195 		atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_ENABLE);
196 		lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
197 	} else {
198 		struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv;
199 		if (lvds) {
200 			DRM_DEBUG_KMS("bios LVDS_GEN_CNTL: 0x%x\n", lvds->lvds_gen_cntl);
201 			lvds_gen_cntl = lvds->lvds_gen_cntl;
202 			lvds_ss_gen_cntl &= ~((0xf << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
203 					      (0xf << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
204 			lvds_ss_gen_cntl |= ((lvds->panel_digon_delay << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
205 					     (lvds->panel_blon_delay << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
206 		} else
207 			lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
208 	}
209 	lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
210 	lvds_gen_cntl &= ~(RADEON_LVDS_ON |
211 			   RADEON_LVDS_BLON |
212 			   RADEON_LVDS_EN |
213 			   RADEON_LVDS_RST_FM);
214 
215 	if (ASIC_IS_R300(rdev))
216 		lvds_pll_cntl &= ~(R300_LVDS_SRC_SEL_MASK);
217 
218 	if (radeon_crtc->crtc_id == 0) {
219 		if (ASIC_IS_R300(rdev)) {
220 			if (radeon_encoder->rmx_type != RMX_OFF)
221 				lvds_pll_cntl |= R300_LVDS_SRC_SEL_RMX;
222 		} else
223 			lvds_gen_cntl &= ~RADEON_LVDS_SEL_CRTC2;
224 	} else {
225 		if (ASIC_IS_R300(rdev))
226 			lvds_pll_cntl |= R300_LVDS_SRC_SEL_CRTC2;
227 		else
228 			lvds_gen_cntl |= RADEON_LVDS_SEL_CRTC2;
229 	}
230 
231 	WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
232 	WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
233 	WREG32(RADEON_LVDS_SS_GEN_CNTL, lvds_ss_gen_cntl);
234 
235 	if (rdev->family == CHIP_RV410)
236 		WREG32(RADEON_CLOCK_CNTL_INDEX, 0);
237 
238 	if (rdev->is_atom_bios)
239 		radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
240 	else
241 		radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
242 }
243 
244 static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
245 				     const struct drm_display_mode *mode,
246 				     struct drm_display_mode *adjusted_mode)
247 {
248 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
249 
250 	/* set the active encoder to connector routing */
251 	radeon_encoder_set_active_device(encoder);
252 	drm_mode_set_crtcinfo(adjusted_mode, 0);
253 
254 	/* get the native mode for LVDS */
255 	if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
256 		radeon_panel_mode_fixup(encoder, adjusted_mode);
257 
258 	return true;
259 }
260 
261 static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
262 	.dpms = radeon_legacy_lvds_dpms,
263 	.mode_fixup = radeon_legacy_mode_fixup,
264 	.prepare = radeon_legacy_lvds_prepare,
265 	.mode_set = radeon_legacy_lvds_mode_set,
266 	.commit = radeon_legacy_lvds_commit,
267 	.disable = radeon_legacy_encoder_disable,
268 };
269 
270 u8
271 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
272 {
273 	struct drm_device *dev = radeon_encoder->base.dev;
274 	struct radeon_device *rdev = dev->dev_private;
275 	u8 backlight_level;
276 
277 	backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
278 			   RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
279 
280 	return backlight_level;
281 }
282 
283 void
284 radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level)
285 {
286 	struct drm_device *dev = radeon_encoder->base.dev;
287 	struct radeon_device *rdev = dev->dev_private;
288 	int dpms_mode = DRM_MODE_DPMS_ON;
289 
290 	if (radeon_encoder->enc_priv) {
291 		if (rdev->is_atom_bios) {
292 			struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
293 			if (lvds->backlight_level > 0)
294 				dpms_mode = lvds->dpms_mode;
295 			else
296 				dpms_mode = DRM_MODE_DPMS_OFF;
297 			lvds->backlight_level = level;
298 		} else {
299 			struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
300 			if (lvds->backlight_level > 0)
301 				dpms_mode = lvds->dpms_mode;
302 			else
303 				dpms_mode = DRM_MODE_DPMS_OFF;
304 			lvds->backlight_level = level;
305 		}
306 	}
307 
308 	radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
309 }
310 
311 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
312 
313 #if 0
314 static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
315 {
316 	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
317 	uint8_t level;
318 
319 	/* Convert brightness to hardware level */
320 	if (bd->props.brightness < 0)
321 		level = 0;
322 	else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
323 		level = RADEON_MAX_BL_LEVEL;
324 	else
325 		level = bd->props.brightness;
326 
327 	if (pdata->negative)
328 		level = RADEON_MAX_BL_LEVEL - level;
329 
330 	return level;
331 }
332 
333 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
334 {
335 	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
336 	struct radeon_encoder *radeon_encoder = pdata->encoder;
337 
338 	radeon_legacy_set_backlight_level(radeon_encoder,
339 					  radeon_legacy_lvds_level(bd));
340 
341 	return 0;
342 }
343 
344 static int radeon_legacy_backlight_get_brightness(struct backlight_device *bd)
345 {
346 	struct radeon_backlight_privdata *pdata = bl_get_data(bd);
347 	struct radeon_encoder *radeon_encoder = pdata->encoder;
348 	struct drm_device *dev = radeon_encoder->base.dev;
349 	struct radeon_device *rdev = dev->dev_private;
350 	uint8_t backlight_level;
351 
352 	backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
353 			   RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
354 
355 	return pdata->negative ? RADEON_MAX_BL_LEVEL - backlight_level : backlight_level;
356 }
357 
358 static const struct backlight_ops radeon_backlight_ops = {
359 	.get_brightness = radeon_legacy_backlight_get_brightness,
360 	.update_status	= radeon_legacy_backlight_update_status,
361 };
362 #endif
363 
364 void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
365 				  struct drm_connector *drm_connector)
366 {
367 #if 0
368 	struct drm_device *dev = radeon_encoder->base.dev;
369 	struct radeon_device *rdev = dev->dev_private;
370 	struct backlight_device *bd;
371 	struct backlight_properties props;
372 	struct radeon_backlight_privdata *pdata;
373 	uint8_t backlight_level;
374 	char bl_name[16];
375 
376 	if (!radeon_encoder->enc_priv)
377 		return;
378 
379 #ifdef CONFIG_PMAC_BACKLIGHT
380 	if (!pmac_has_backlight_type("ati") &&
381 	    !pmac_has_backlight_type("mnca"))
382 		return;
383 #endif
384 
385 	pdata = kmalloc(sizeof(struct radeon_backlight_privdata),
386 			M_DRM, M_WAITOK);
387 	if (!pdata) {
388 		DRM_ERROR("Memory allocation failed\n");
389 		goto error;
390 	}
391 
392 	memset(&props, 0, sizeof(props));
393 	props.max_brightness = RADEON_MAX_BL_LEVEL;
394 	props.type = BACKLIGHT_RAW;
395 	ksnprintf(bl_name, sizeof(bl_name),
396 		 "radeon_bl%d", dev->primary->index);
397 	bd = backlight_device_register(bl_name, drm_connector->kdev,
398 				       pdata, &radeon_backlight_ops, &props);
399 	if (IS_ERR(bd)) {
400 		DRM_ERROR("Backlight registration failed\n");
401 		goto error;
402 	}
403 
404 	pdata->encoder = radeon_encoder;
405 
406 	backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
407 			   RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
408 
409 	/* First, try to detect backlight level sense based on the assumption
410 	 * that firmware set it up at full brightness
411 	 */
412 	if (backlight_level == 0)
413 		pdata->negative = true;
414 	else if (backlight_level == 0xff)
415 		pdata->negative = false;
416 	else {
417 		/* XXX hack... maybe some day we can figure out in what direction
418 		 * backlight should work on a given panel?
419 		 */
420 		pdata->negative = (rdev->family != CHIP_RV200 &&
421 				   rdev->family != CHIP_RV250 &&
422 				   rdev->family != CHIP_RV280 &&
423 				   rdev->family != CHIP_RV350);
424 
425 #ifdef CONFIG_PMAC_BACKLIGHT
426 		pdata->negative = (pdata->negative ||
427 				   of_machine_is_compatible("PowerBook4,3") ||
428 				   of_machine_is_compatible("PowerBook6,3") ||
429 				   of_machine_is_compatible("PowerBook6,5"));
430 #endif
431 	}
432 
433 	if (rdev->is_atom_bios) {
434 		struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
435 		lvds->bl_dev = bd;
436 	} else {
437 		struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
438 		lvds->bl_dev = bd;
439 	}
440 
441 	bd->props.brightness = radeon_legacy_backlight_get_brightness(bd);
442 	bd->props.power = FB_BLANK_UNBLANK;
443 	backlight_update_status(bd);
444 
445 	DRM_INFO("radeon legacy LVDS backlight initialized\n");
446 
447 	return;
448 
449 error:
450 	kfree(pdata);
451 	return;
452 #endif
453 }
454 
455 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder)
456 {
457 #if 0
458 	struct drm_device *dev = radeon_encoder->base.dev;
459 	struct radeon_device *rdev = dev->dev_private;
460 	struct backlight_device *bd = NULL;
461 
462 	if (!radeon_encoder->enc_priv)
463 		return;
464 
465 	if (rdev->is_atom_bios) {
466 		struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
467 		bd = lvds->bl_dev;
468 		lvds->bl_dev = NULL;
469 	} else {
470 		struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
471 		bd = lvds->bl_dev;
472 		lvds->bl_dev = NULL;
473 	}
474 
475 	if (bd) {
476 		struct radeon_backlight_privdata *pdata;
477 
478 		pdata = bl_get_data(bd);
479 		backlight_device_unregister(bd);
480 		kfree(pdata);
481 
482 		DRM_INFO("radeon legacy LVDS backlight unloaded\n");
483 	}
484 #endif
485 }
486 
487 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
488 
489 void radeon_legacy_backlight_init(struct radeon_encoder *encoder,
490 				  struct drm_connector *drm_connector)
491 {
492 }
493 
494 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder)
495 {
496 }
497 
498 #endif
499 
500 
501 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder)
502 {
503 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
504 
505 	if (radeon_encoder->enc_priv) {
506 		radeon_legacy_backlight_exit(radeon_encoder);
507 		kfree(radeon_encoder->enc_priv);
508 	}
509 	drm_encoder_cleanup(encoder);
510 	kfree(radeon_encoder);
511 }
512 
513 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
514 	.destroy = radeon_lvds_enc_destroy,
515 };
516 
517 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode)
518 {
519 	struct drm_device *dev = encoder->dev;
520 	struct radeon_device *rdev = dev->dev_private;
521 	uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
522 	uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL);
523 	uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
524 
525 	DRM_DEBUG_KMS("\n");
526 
527 	switch (mode) {
528 	case DRM_MODE_DPMS_ON:
529 		crtc_ext_cntl |= RADEON_CRTC_CRT_ON;
530 		dac_cntl &= ~RADEON_DAC_PDWN;
531 		dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
532 				    RADEON_DAC_PDWN_G |
533 				    RADEON_DAC_PDWN_B);
534 		break;
535 	case DRM_MODE_DPMS_STANDBY:
536 	case DRM_MODE_DPMS_SUSPEND:
537 	case DRM_MODE_DPMS_OFF:
538 		crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON;
539 		dac_cntl |= RADEON_DAC_PDWN;
540 		dac_macro_cntl |= (RADEON_DAC_PDWN_R |
541 				   RADEON_DAC_PDWN_G |
542 				   RADEON_DAC_PDWN_B);
543 		break;
544 	}
545 
546 	/* handled in radeon_crtc_dpms() */
547 	if (!(rdev->flags & RADEON_SINGLE_CRTC))
548 		WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
549 	WREG32(RADEON_DAC_CNTL, dac_cntl);
550 	WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
551 
552 	if (rdev->is_atom_bios)
553 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
554 	else
555 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
556 
557 }
558 
559 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
560 {
561 	struct radeon_device *rdev = encoder->dev->dev_private;
562 
563 	if (rdev->is_atom_bios)
564 		radeon_atom_output_lock(encoder, true);
565 	else
566 		radeon_combios_output_lock(encoder, true);
567 	radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
568 }
569 
570 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder)
571 {
572 	struct radeon_device *rdev = encoder->dev->dev_private;
573 
574 	radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON);
575 
576 	if (rdev->is_atom_bios)
577 		radeon_atom_output_lock(encoder, false);
578 	else
579 		radeon_combios_output_lock(encoder, false);
580 }
581 
582 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder,
583 					       struct drm_display_mode *mode,
584 					       struct drm_display_mode *adjusted_mode)
585 {
586 	struct drm_device *dev = encoder->dev;
587 	struct radeon_device *rdev = dev->dev_private;
588 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
589 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
590 	uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl;
591 
592 	DRM_DEBUG_KMS("\n");
593 
594 	if (radeon_crtc->crtc_id == 0) {
595 		if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
596 			disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
597 				~(RADEON_DISP_DAC_SOURCE_MASK);
598 			WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
599 		} else {
600 			dac2_cntl = RREG32(RADEON_DAC_CNTL2)  & ~(RADEON_DAC2_DAC_CLK_SEL);
601 			WREG32(RADEON_DAC_CNTL2, dac2_cntl);
602 		}
603 	} else {
604 		if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
605 			disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
606 				~(RADEON_DISP_DAC_SOURCE_MASK);
607 			disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2;
608 			WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
609 		} else {
610 			dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
611 			WREG32(RADEON_DAC_CNTL2, dac2_cntl);
612 		}
613 	}
614 
615 	dac_cntl = (RADEON_DAC_MASK_ALL |
616 		    RADEON_DAC_VGA_ADR_EN |
617 		    /* TODO 6-bits */
618 		    RADEON_DAC_8BIT_EN);
619 
620 	WREG32_P(RADEON_DAC_CNTL,
621 		       dac_cntl,
622 		       RADEON_DAC_RANGE_CNTL |
623 		       RADEON_DAC_BLANKING);
624 
625 	if (radeon_encoder->enc_priv) {
626 		struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv;
627 		dac_macro_cntl = p_dac->ps2_pdac_adj;
628 	} else
629 		dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
630 	dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B;
631 	WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
632 
633 	if (rdev->is_atom_bios)
634 		radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
635 	else
636 		radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
637 }
638 
639 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder,
640 								  struct drm_connector *connector)
641 {
642 	struct drm_device *dev = encoder->dev;
643 	struct radeon_device *rdev = dev->dev_private;
644 	uint32_t vclk_ecp_cntl, crtc_ext_cntl;
645 	uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp;
646 	enum drm_connector_status found = connector_status_disconnected;
647 	bool color = true;
648 
649 	/* just don't bother on RN50 those chip are often connected to remoting
650 	 * console hw and often we get failure to load detect those. So to make
651 	 * everyone happy report the encoder as always connected.
652 	 */
653 	if (ASIC_IS_RN50(rdev)) {
654 		return connector_status_connected;
655 	}
656 
657 	/* save the regs we need */
658 	vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
659 	crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
660 	dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
661 	dac_cntl = RREG32(RADEON_DAC_CNTL);
662 	dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
663 
664 	tmp = vclk_ecp_cntl &
665 		~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb);
666 	WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
667 
668 	tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
669 	WREG32(RADEON_CRTC_EXT_CNTL, tmp);
670 
671 	tmp = RADEON_DAC_FORCE_BLANK_OFF_EN |
672 		RADEON_DAC_FORCE_DATA_EN;
673 
674 	if (color)
675 		tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
676 	else
677 		tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
678 
679 	if (ASIC_IS_R300(rdev))
680 		tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
681 	else if (ASIC_IS_RV100(rdev))
682 		tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
683 	else
684 		tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
685 
686 	WREG32(RADEON_DAC_EXT_CNTL, tmp);
687 
688 	tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN);
689 	tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
690 	WREG32(RADEON_DAC_CNTL, tmp);
691 
692 	tmp = dac_macro_cntl;
693 	tmp &= ~(RADEON_DAC_PDWN_R |
694 		 RADEON_DAC_PDWN_G |
695 		 RADEON_DAC_PDWN_B);
696 
697 	WREG32(RADEON_DAC_MACRO_CNTL, tmp);
698 
699 	mdelay(2);
700 
701 	if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
702 		found = connector_status_connected;
703 
704 	/* restore the regs we used */
705 	WREG32(RADEON_DAC_CNTL, dac_cntl);
706 	WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
707 	WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
708 	WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
709 	WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl);
710 
711 	return found;
712 }
713 
714 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = {
715 	.dpms = radeon_legacy_primary_dac_dpms,
716 	.mode_fixup = radeon_legacy_mode_fixup,
717 	.prepare = radeon_legacy_primary_dac_prepare,
718 	.mode_set = radeon_legacy_primary_dac_mode_set,
719 	.commit = radeon_legacy_primary_dac_commit,
720 	.detect = radeon_legacy_primary_dac_detect,
721 	.disable = radeon_legacy_encoder_disable,
722 };
723 
724 
725 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
726 	.destroy = radeon_enc_destroy,
727 };
728 
729 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
730 {
731 	struct drm_device *dev = encoder->dev;
732 	struct radeon_device *rdev = dev->dev_private;
733 	uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL);
734 	DRM_DEBUG_KMS("\n");
735 
736 	switch (mode) {
737 	case DRM_MODE_DPMS_ON:
738 		fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN);
739 		break;
740 	case DRM_MODE_DPMS_STANDBY:
741 	case DRM_MODE_DPMS_SUSPEND:
742 	case DRM_MODE_DPMS_OFF:
743 		fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
744 		break;
745 	}
746 
747 	WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
748 
749 	if (rdev->is_atom_bios)
750 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
751 	else
752 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
753 
754 }
755 
756 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
757 {
758 	struct radeon_device *rdev = encoder->dev->dev_private;
759 
760 	if (rdev->is_atom_bios)
761 		radeon_atom_output_lock(encoder, true);
762 	else
763 		radeon_combios_output_lock(encoder, true);
764 	radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF);
765 }
766 
767 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder)
768 {
769 	struct radeon_device *rdev = encoder->dev->dev_private;
770 
771 	radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON);
772 
773 	if (rdev->is_atom_bios)
774 		radeon_atom_output_lock(encoder, true);
775 	else
776 		radeon_combios_output_lock(encoder, true);
777 }
778 
779 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
780 					    struct drm_display_mode *mode,
781 					    struct drm_display_mode *adjusted_mode)
782 {
783 	struct drm_device *dev = encoder->dev;
784 	struct radeon_device *rdev = dev->dev_private;
785 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
786 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
787 	uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl;
788 	int i;
789 
790 	DRM_DEBUG_KMS("\n");
791 
792 	tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL);
793 	tmp &= 0xfffff;
794 	if (rdev->family == CHIP_RV280) {
795 		/* bit 22 of TMDS_PLL_CNTL is read-back inverted */
796 		tmp ^= (1 << 22);
797 		tmds_pll_cntl ^= (1 << 22);
798 	}
799 
800 	if (radeon_encoder->enc_priv) {
801 		struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv;
802 
803 		for (i = 0; i < 4; i++) {
804 			if (tmds->tmds_pll[i].freq == 0)
805 				break;
806 			if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) {
807 				tmp = tmds->tmds_pll[i].value ;
808 				break;
809 			}
810 		}
811 	}
812 
813 	if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) {
814 		if (tmp & 0xfff00000)
815 			tmds_pll_cntl = tmp;
816 		else {
817 			tmds_pll_cntl &= 0xfff00000;
818 			tmds_pll_cntl |= tmp;
819 		}
820 	} else
821 		tmds_pll_cntl = tmp;
822 
823 	tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) &
824 		~(RADEON_TMDS_TRANSMITTER_PLLRST);
825 
826     if (rdev->family == CHIP_R200 ||
827 	rdev->family == CHIP_R100 ||
828 	ASIC_IS_R300(rdev))
829 	    tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN);
830     else /* RV chips got this bit reversed */
831 	    tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN;
832 
833     fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) |
834 		   (RADEON_FP_CRTC_DONT_SHADOW_VPAR |
835 		    RADEON_FP_CRTC_DONT_SHADOW_HEND));
836 
837     fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
838 
839     fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
840 		     RADEON_FP_DFP_SYNC_SEL |
841 		     RADEON_FP_CRT_SYNC_SEL |
842 		     RADEON_FP_CRTC_LOCK_8DOT |
843 		     RADEON_FP_USE_SHADOW_EN |
844 		     RADEON_FP_CRTC_USE_SHADOW_VEND |
845 		     RADEON_FP_CRT_SYNC_ALT);
846 
847     if (1) /*  FIXME rgbBits == 8 */
848 	    fp_gen_cntl |= RADEON_FP_PANEL_FORMAT;  /* 24 bit format */
849     else
850 	    fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */
851 
852     if (radeon_crtc->crtc_id == 0) {
853 	    if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
854 		    fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
855 		    if (radeon_encoder->rmx_type != RMX_OFF)
856 			    fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
857 		    else
858 			    fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
859 	    } else
860 		    fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
861     } else {
862 	    if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
863 		    fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
864 		    fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2;
865 	    } else
866 		    fp_gen_cntl |= RADEON_FP_SEL_CRTC2;
867     }
868 
869     WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl);
870     WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
871     WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
872 
873 	if (rdev->is_atom_bios)
874 		radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
875 	else
876 		radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
877 }
878 
879 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = {
880 	.dpms = radeon_legacy_tmds_int_dpms,
881 	.mode_fixup = radeon_legacy_mode_fixup,
882 	.prepare = radeon_legacy_tmds_int_prepare,
883 	.mode_set = radeon_legacy_tmds_int_mode_set,
884 	.commit = radeon_legacy_tmds_int_commit,
885 	.disable = radeon_legacy_encoder_disable,
886 };
887 
888 
889 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
890 	.destroy = radeon_enc_destroy,
891 };
892 
893 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
894 {
895 	struct drm_device *dev = encoder->dev;
896 	struct radeon_device *rdev = dev->dev_private;
897 	uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
898 	DRM_DEBUG_KMS("\n");
899 
900 	switch (mode) {
901 	case DRM_MODE_DPMS_ON:
902 		fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN;
903 		fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
904 		break;
905 	case DRM_MODE_DPMS_STANDBY:
906 	case DRM_MODE_DPMS_SUSPEND:
907 	case DRM_MODE_DPMS_OFF:
908 		fp2_gen_cntl |= RADEON_FP2_BLANK_EN;
909 		fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
910 		break;
911 	}
912 
913 	WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
914 
915 	if (rdev->is_atom_bios)
916 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
917 	else
918 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
919 
920 }
921 
922 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
923 {
924 	struct radeon_device *rdev = encoder->dev->dev_private;
925 
926 	if (rdev->is_atom_bios)
927 		radeon_atom_output_lock(encoder, true);
928 	else
929 		radeon_combios_output_lock(encoder, true);
930 	radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF);
931 }
932 
933 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder)
934 {
935 	struct radeon_device *rdev = encoder->dev->dev_private;
936 	radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON);
937 
938 	if (rdev->is_atom_bios)
939 		radeon_atom_output_lock(encoder, false);
940 	else
941 		radeon_combios_output_lock(encoder, false);
942 }
943 
944 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
945 					    struct drm_display_mode *mode,
946 					    struct drm_display_mode *adjusted_mode)
947 {
948 	struct drm_device *dev = encoder->dev;
949 	struct radeon_device *rdev = dev->dev_private;
950 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
951 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
952 	uint32_t fp2_gen_cntl;
953 
954 	DRM_DEBUG_KMS("\n");
955 
956 	if (rdev->is_atom_bios) {
957 		radeon_encoder->pixel_clock = adjusted_mode->clock;
958 		atombios_dvo_setup(encoder, ATOM_ENABLE);
959 		fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
960 	} else {
961 		fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
962 
963 		if (1) /*  FIXME rgbBits == 8 */
964 			fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */
965 		else
966 			fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */
967 
968 		fp2_gen_cntl &= ~(RADEON_FP2_ON |
969 				  RADEON_FP2_DVO_EN |
970 				  RADEON_FP2_DVO_RATE_SEL_SDR);
971 
972 		/* XXX: these are oem specific */
973 		if (ASIC_IS_R300(rdev)) {
974 			if ((dev->pdev->device == 0x4850) &&
975 			    (dev->pdev->subsystem_vendor == 0x1028) &&
976 			    (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */
977 				fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE;
978 			else
979 				fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE;
980 
981 			/*if (mode->clock > 165000)
982 			  fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/
983 		}
984 		if (!radeon_combios_external_tmds_setup(encoder))
985 			radeon_external_tmds_setup(encoder);
986 	}
987 
988 	if (radeon_crtc->crtc_id == 0) {
989 		if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
990 			fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
991 			if (radeon_encoder->rmx_type != RMX_OFF)
992 				fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX;
993 			else
994 				fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1;
995 		} else
996 			fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2;
997 	} else {
998 		if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
999 			fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
1000 			fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1001 		} else
1002 			fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2;
1003 	}
1004 
1005 	WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1006 
1007 	if (rdev->is_atom_bios)
1008 		radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1009 	else
1010 		radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1011 }
1012 
1013 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
1014 {
1015 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1016 	/* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
1017 	kfree(radeon_encoder->enc_priv);
1018 	drm_encoder_cleanup(encoder);
1019 	kfree(radeon_encoder);
1020 }
1021 
1022 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = {
1023 	.dpms = radeon_legacy_tmds_ext_dpms,
1024 	.mode_fixup = radeon_legacy_mode_fixup,
1025 	.prepare = radeon_legacy_tmds_ext_prepare,
1026 	.mode_set = radeon_legacy_tmds_ext_mode_set,
1027 	.commit = radeon_legacy_tmds_ext_commit,
1028 	.disable = radeon_legacy_encoder_disable,
1029 };
1030 
1031 
1032 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
1033 	.destroy = radeon_ext_tmds_enc_destroy,
1034 };
1035 
1036 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
1037 {
1038 	struct drm_device *dev = encoder->dev;
1039 	struct radeon_device *rdev = dev->dev_private;
1040 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1041 	uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0;
1042 	uint32_t tv_master_cntl = 0;
1043 	bool is_tv;
1044 	DRM_DEBUG_KMS("\n");
1045 
1046 	is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1047 
1048 	if (rdev->family == CHIP_R200)
1049 		fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1050 	else {
1051 		if (is_tv)
1052 			tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1053 		else
1054 			crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1055 		tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1056 	}
1057 
1058 	switch (mode) {
1059 	case DRM_MODE_DPMS_ON:
1060 		if (rdev->family == CHIP_R200) {
1061 			fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1062 		} else {
1063 			if (is_tv)
1064 				tv_master_cntl |= RADEON_TV_ON;
1065 			else
1066 				crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON;
1067 
1068 			if (rdev->family == CHIP_R420 ||
1069 			    rdev->family == CHIP_R423 ||
1070 			    rdev->family == CHIP_RV410)
1071 				tv_dac_cntl &= ~(R420_TV_DAC_RDACPD |
1072 						 R420_TV_DAC_GDACPD |
1073 						 R420_TV_DAC_BDACPD |
1074 						 RADEON_TV_DAC_BGSLEEP);
1075 			else
1076 				tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
1077 						 RADEON_TV_DAC_GDACPD |
1078 						 RADEON_TV_DAC_BDACPD |
1079 						 RADEON_TV_DAC_BGSLEEP);
1080 		}
1081 		break;
1082 	case DRM_MODE_DPMS_STANDBY:
1083 	case DRM_MODE_DPMS_SUSPEND:
1084 	case DRM_MODE_DPMS_OFF:
1085 		if (rdev->family == CHIP_R200)
1086 			fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1087 		else {
1088 			if (is_tv)
1089 				tv_master_cntl &= ~RADEON_TV_ON;
1090 			else
1091 				crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON;
1092 
1093 			if (rdev->family == CHIP_R420 ||
1094 			    rdev->family == CHIP_R423 ||
1095 			    rdev->family == CHIP_RV410)
1096 				tv_dac_cntl |= (R420_TV_DAC_RDACPD |
1097 						R420_TV_DAC_GDACPD |
1098 						R420_TV_DAC_BDACPD |
1099 						RADEON_TV_DAC_BGSLEEP);
1100 			else
1101 				tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
1102 						RADEON_TV_DAC_GDACPD |
1103 						RADEON_TV_DAC_BDACPD |
1104 						RADEON_TV_DAC_BGSLEEP);
1105 		}
1106 		break;
1107 	}
1108 
1109 	if (rdev->family == CHIP_R200) {
1110 		WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1111 	} else {
1112 		if (is_tv)
1113 			WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1114 		/* handled in radeon_crtc_dpms() */
1115 		else if (!(rdev->flags & RADEON_SINGLE_CRTC))
1116 			WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1117 		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1118 	}
1119 
1120 	if (rdev->is_atom_bios)
1121 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1122 	else
1123 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1124 
1125 }
1126 
1127 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
1128 {
1129 	struct radeon_device *rdev = encoder->dev->dev_private;
1130 
1131 	if (rdev->is_atom_bios)
1132 		radeon_atom_output_lock(encoder, true);
1133 	else
1134 		radeon_combios_output_lock(encoder, true);
1135 	radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
1136 }
1137 
1138 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder)
1139 {
1140 	struct radeon_device *rdev = encoder->dev->dev_private;
1141 
1142 	radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1143 
1144 	if (rdev->is_atom_bios)
1145 		radeon_atom_output_lock(encoder, true);
1146 	else
1147 		radeon_combios_output_lock(encoder, true);
1148 }
1149 
1150 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder,
1151 		struct drm_display_mode *mode,
1152 		struct drm_display_mode *adjusted_mode)
1153 {
1154 	struct drm_device *dev = encoder->dev;
1155 	struct radeon_device *rdev = dev->dev_private;
1156 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1157 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1158 	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1159 	uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0;
1160 	uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0;
1161 	bool is_tv = false;
1162 
1163 	DRM_DEBUG_KMS("\n");
1164 
1165 	is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1166 
1167 	if (rdev->family != CHIP_R200) {
1168 		tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1169 		if (rdev->family == CHIP_R420 ||
1170 		    rdev->family == CHIP_R423 ||
1171 		    rdev->family == CHIP_RV410) {
1172 			tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1173 					 RADEON_TV_DAC_BGADJ_MASK |
1174 					 R420_TV_DAC_DACADJ_MASK |
1175 					 R420_TV_DAC_RDACPD |
1176 					 R420_TV_DAC_GDACPD |
1177 					 R420_TV_DAC_BDACPD |
1178 					 R420_TV_DAC_TVENABLE);
1179 		} else {
1180 			tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1181 					 RADEON_TV_DAC_BGADJ_MASK |
1182 					 RADEON_TV_DAC_DACADJ_MASK |
1183 					 RADEON_TV_DAC_RDACPD |
1184 					 RADEON_TV_DAC_GDACPD |
1185 					 RADEON_TV_DAC_BDACPD);
1186 		}
1187 
1188 		tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
1189 
1190 		if (is_tv) {
1191 			if (tv_dac->tv_std == TV_STD_NTSC ||
1192 			    tv_dac->tv_std == TV_STD_NTSC_J ||
1193 			    tv_dac->tv_std == TV_STD_PAL_M ||
1194 			    tv_dac->tv_std == TV_STD_PAL_60)
1195 				tv_dac_cntl |= tv_dac->ntsc_tvdac_adj;
1196 			else
1197 				tv_dac_cntl |= tv_dac->pal_tvdac_adj;
1198 
1199 			if (tv_dac->tv_std == TV_STD_NTSC ||
1200 			    tv_dac->tv_std == TV_STD_NTSC_J)
1201 				tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
1202 			else
1203 				tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
1204 		} else
1205 			tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 |
1206 					tv_dac->ps2_tvdac_adj);
1207 
1208 		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1209 	}
1210 
1211 	if (ASIC_IS_R300(rdev)) {
1212 		gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1;
1213 		disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1214 	} else if (rdev->family != CHIP_R200)
1215 		disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1216 	else if (rdev->family == CHIP_R200)
1217 		fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1218 
1219 	if (rdev->family >= CHIP_R200)
1220 		disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL);
1221 
1222 	if (is_tv) {
1223 		uint32_t dac_cntl;
1224 
1225 		dac_cntl = RREG32(RADEON_DAC_CNTL);
1226 		dac_cntl &= ~RADEON_DAC_TVO_EN;
1227 		WREG32(RADEON_DAC_CNTL, dac_cntl);
1228 
1229 		if (ASIC_IS_R300(rdev))
1230 			gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1;
1231 
1232 		dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
1233 		if (radeon_crtc->crtc_id == 0) {
1234 			if (ASIC_IS_R300(rdev)) {
1235 				disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1236 				disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC |
1237 						     RADEON_DISP_TV_SOURCE_CRTC);
1238 			}
1239 			if (rdev->family >= CHIP_R200) {
1240 				disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2;
1241 			} else {
1242 				disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1243 			}
1244 		} else {
1245 			if (ASIC_IS_R300(rdev)) {
1246 				disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1247 				disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC;
1248 			}
1249 			if (rdev->family >= CHIP_R200) {
1250 				disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2;
1251 			} else {
1252 				disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1253 			}
1254 		}
1255 		WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1256 	} else {
1257 
1258 		dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
1259 
1260 		if (radeon_crtc->crtc_id == 0) {
1261 			if (ASIC_IS_R300(rdev)) {
1262 				disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1263 				disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC;
1264 			} else if (rdev->family == CHIP_R200) {
1265 				fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1266 						  RADEON_FP2_DVO_RATE_SEL_SDR);
1267 			} else
1268 				disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1269 		} else {
1270 			if (ASIC_IS_R300(rdev)) {
1271 				disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1272 				disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1273 			} else if (rdev->family == CHIP_R200) {
1274 				fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1275 						  RADEON_FP2_DVO_RATE_SEL_SDR);
1276 				fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1277 			} else
1278 				disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1279 		}
1280 		WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1281 	}
1282 
1283 	if (ASIC_IS_R300(rdev)) {
1284 		WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1285 		WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1286 	} else if (rdev->family != CHIP_R200)
1287 		WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1288 	else if (rdev->family == CHIP_R200)
1289 		WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1290 
1291 	if (rdev->family >= CHIP_R200)
1292 		WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl);
1293 
1294 	if (is_tv)
1295 		radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode);
1296 
1297 	if (rdev->is_atom_bios)
1298 		radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1299 	else
1300 		radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1301 
1302 }
1303 
1304 static bool r300_legacy_tv_detect(struct drm_encoder *encoder,
1305 				  struct drm_connector *connector)
1306 {
1307 	struct drm_device *dev = encoder->dev;
1308 	struct radeon_device *rdev = dev->dev_private;
1309 	uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1310 	uint32_t disp_output_cntl, gpiopad_a, tmp;
1311 	bool found = false;
1312 
1313 	/* save regs needed */
1314 	gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1315 	dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1316 	crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1317 	dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1318 	tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1319 	disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1320 
1321 	WREG32_P(RADEON_GPIOPAD_A, 0, ~1);
1322 
1323 	WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
1324 
1325 	WREG32(RADEON_CRTC2_GEN_CNTL,
1326 	       RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT);
1327 
1328 	tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1329 	tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1330 	WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1331 
1332 	WREG32(RADEON_DAC_EXT_CNTL,
1333 	       RADEON_DAC2_FORCE_BLANK_OFF_EN |
1334 	       RADEON_DAC2_FORCE_DATA_EN |
1335 	       RADEON_DAC_FORCE_DATA_SEL_RGB |
1336 	       (0xec << RADEON_DAC_FORCE_DATA_SHIFT));
1337 
1338 	WREG32(RADEON_TV_DAC_CNTL,
1339 	       RADEON_TV_DAC_STD_NTSC |
1340 	       (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1341 	       (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1342 
1343 	RREG32(RADEON_TV_DAC_CNTL);
1344 	mdelay(4);
1345 
1346 	WREG32(RADEON_TV_DAC_CNTL,
1347 	       RADEON_TV_DAC_NBLANK |
1348 	       RADEON_TV_DAC_NHOLD |
1349 	       RADEON_TV_MONITOR_DETECT_EN |
1350 	       RADEON_TV_DAC_STD_NTSC |
1351 	       (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1352 	       (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1353 
1354 	RREG32(RADEON_TV_DAC_CNTL);
1355 	mdelay(6);
1356 
1357 	tmp = RREG32(RADEON_TV_DAC_CNTL);
1358 	if ((tmp & RADEON_TV_DAC_GDACDET) != 0) {
1359 		found = true;
1360 		DRM_DEBUG_KMS("S-video TV connection detected\n");
1361 	} else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1362 		found = true;
1363 		DRM_DEBUG_KMS("Composite TV connection detected\n");
1364 	}
1365 
1366 	WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1367 	WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1368 	WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1369 	WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1370 	WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1371 	WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1372 	return found;
1373 }
1374 
1375 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
1376 				    struct drm_connector *connector)
1377 {
1378 	struct drm_device *dev = encoder->dev;
1379 	struct radeon_device *rdev = dev->dev_private;
1380 	uint32_t tv_dac_cntl, dac_cntl2;
1381 	uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp;
1382 	bool found = false;
1383 
1384 	if (ASIC_IS_R300(rdev))
1385 		return r300_legacy_tv_detect(encoder, connector);
1386 
1387 	dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1388 	tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1389 	tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1390 	config_cntl = RREG32(RADEON_CONFIG_CNTL);
1391 	tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL);
1392 
1393 	tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL;
1394 	WREG32(RADEON_DAC_CNTL2, tmp);
1395 
1396 	tmp = tv_master_cntl | RADEON_TV_ON;
1397 	tmp &= ~(RADEON_TV_ASYNC_RST |
1398 		 RADEON_RESTART_PHASE_FIX |
1399 		 RADEON_CRT_FIFO_CE_EN |
1400 		 RADEON_TV_FIFO_CE_EN |
1401 		 RADEON_RE_SYNC_NOW_SEL_MASK);
1402 	tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST;
1403 	WREG32(RADEON_TV_MASTER_CNTL, tmp);
1404 
1405 	tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD |
1406 		RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC |
1407 		(8 << RADEON_TV_DAC_BGADJ_SHIFT);
1408 
1409 	if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK)
1410 		tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT);
1411 	else
1412 		tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT);
1413 	WREG32(RADEON_TV_DAC_CNTL, tmp);
1414 
1415 	tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN |
1416 		RADEON_RED_MX_FORCE_DAC_DATA |
1417 		RADEON_GRN_MX_FORCE_DAC_DATA |
1418 		RADEON_BLU_MX_FORCE_DAC_DATA |
1419 		(0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT);
1420 	WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp);
1421 
1422 	mdelay(3);
1423 	tmp = RREG32(RADEON_TV_DAC_CNTL);
1424 	if (tmp & RADEON_TV_DAC_GDACDET) {
1425 		found = true;
1426 		DRM_DEBUG_KMS("S-video TV connection detected\n");
1427 	} else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1428 		found = true;
1429 		DRM_DEBUG_KMS("Composite TV connection detected\n");
1430 	}
1431 
1432 	WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl);
1433 	WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1434 	WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1435 	WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1436 	return found;
1437 }
1438 
1439 static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
1440 					 struct drm_connector *connector)
1441 {
1442 	struct drm_device *dev = encoder->dev;
1443 	struct radeon_device *rdev = dev->dev_private;
1444 	uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
1445 	uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
1446 	uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
1447 	uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
1448 	uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
1449 	bool found = false;
1450 	int i;
1451 
1452 	/* save the regs we need */
1453 	gpio_monid = RREG32(RADEON_GPIO_MONID);
1454 	fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1455 	disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1456 	crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1457 	disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
1458 	disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
1459 	disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
1460 	disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
1461 	disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
1462 	disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
1463 	crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
1464 	crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
1465 	crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
1466 	crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
1467 
1468 	tmp = RREG32(RADEON_GPIO_MONID);
1469 	tmp &= ~RADEON_GPIO_A_0;
1470 	WREG32(RADEON_GPIO_MONID, tmp);
1471 
1472 	WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
1473 				     RADEON_FP2_PANEL_FORMAT |
1474 				     R200_FP2_SOURCE_SEL_TRANS_UNIT |
1475 				     RADEON_FP2_DVO_EN |
1476 				     R200_FP2_DVO_RATE_SEL_SDR));
1477 
1478 	WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
1479 					 RADEON_DISP_TRANS_MATRIX_GRAPHICS));
1480 
1481 	WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
1482 				       RADEON_CRTC2_DISP_REQ_EN_B));
1483 
1484 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
1485 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
1486 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
1487 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
1488 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
1489 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
1490 
1491 	WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
1492 	WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
1493 	WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
1494 	WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
1495 
1496 	for (i = 0; i < 200; i++) {
1497 		tmp = RREG32(RADEON_GPIO_MONID);
1498 		if (tmp & RADEON_GPIO_Y_0)
1499 			found = true;
1500 
1501 		if (found)
1502 			break;
1503 
1504 		mdelay(1);
1505 		if (!drm_can_sleep())
1506 			mdelay(1);
1507 		else
1508 			msleep(1);
1509 	}
1510 
1511 	/* restore the regs we used */
1512 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
1513 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
1514 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
1515 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
1516 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
1517 	WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
1518 	WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
1519 	WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
1520 	WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
1521 	WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
1522 	WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1523 	WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1524 	WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1525 	WREG32(RADEON_GPIO_MONID, gpio_monid);
1526 
1527 	return found;
1528 }
1529 
1530 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
1531 							     struct drm_connector *connector)
1532 {
1533 	struct drm_device *dev = encoder->dev;
1534 	struct radeon_device *rdev = dev->dev_private;
1535 	uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1536 	uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
1537 	uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
1538 	enum drm_connector_status found = connector_status_disconnected;
1539 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1540 	struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1541 	bool color = true;
1542 	struct drm_crtc *crtc;
1543 
1544 	/* find out if crtc2 is in use or if this encoder is using it */
1545 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1546 		struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1547 		if ((radeon_crtc->crtc_id == 1) && crtc->enabled) {
1548 			if (encoder->crtc != crtc) {
1549 				return connector_status_disconnected;
1550 			}
1551 		}
1552 	}
1553 
1554 	if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO ||
1555 	    connector->connector_type == DRM_MODE_CONNECTOR_Composite ||
1556 	    connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) {
1557 		bool tv_detect;
1558 
1559 		if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT))
1560 			return connector_status_disconnected;
1561 
1562 		tv_detect = radeon_legacy_tv_detect(encoder, connector);
1563 		if (tv_detect && tv_dac)
1564 			found = connector_status_connected;
1565 		return found;
1566 	}
1567 
1568 	/* don't probe if the encoder is being used for something else not CRT related */
1569 	if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) {
1570 		DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device);
1571 		return connector_status_disconnected;
1572 	}
1573 
1574 	/* R200 uses an external DAC for secondary DAC */
1575 	if (rdev->family == CHIP_R200) {
1576 		if (radeon_legacy_ext_dac_detect(encoder, connector))
1577 			found = connector_status_connected;
1578 		return found;
1579 	}
1580 
1581 	/* save the regs we need */
1582 	pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
1583 
1584 	if (rdev->flags & RADEON_SINGLE_CRTC) {
1585 		crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
1586 	} else {
1587 		if (ASIC_IS_R300(rdev)) {
1588 			gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1589 			disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1590 		} else {
1591 			disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1592 		}
1593 		crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1594 	}
1595 	tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1596 	dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1597 	dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1598 
1599 	tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb
1600 			       | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
1601 	WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
1602 
1603 	if (rdev->flags & RADEON_SINGLE_CRTC) {
1604 		tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
1605 		WREG32(RADEON_CRTC_EXT_CNTL, tmp);
1606 	} else {
1607 		tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
1608 		tmp |= RADEON_CRTC2_CRT2_ON |
1609 			(2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
1610 		WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
1611 
1612 		if (ASIC_IS_R300(rdev)) {
1613 			WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
1614 			tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1615 			tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1616 			WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1617 		} else {
1618 			tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
1619 			WREG32(RADEON_DISP_HW_DEBUG, tmp);
1620 		}
1621 	}
1622 
1623 	tmp = RADEON_TV_DAC_NBLANK |
1624 		RADEON_TV_DAC_NHOLD |
1625 		RADEON_TV_MONITOR_DETECT_EN |
1626 		RADEON_TV_DAC_STD_PS2;
1627 
1628 	WREG32(RADEON_TV_DAC_CNTL, tmp);
1629 
1630 	tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN |
1631 		RADEON_DAC2_FORCE_DATA_EN;
1632 
1633 	if (color)
1634 		tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
1635 	else
1636 		tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
1637 
1638 	if (ASIC_IS_R300(rdev))
1639 		tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
1640 	else
1641 		tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
1642 
1643 	WREG32(RADEON_DAC_EXT_CNTL, tmp);
1644 
1645 	tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
1646 	WREG32(RADEON_DAC_CNTL2, tmp);
1647 
1648 	mdelay(10);
1649 
1650 	if (ASIC_IS_R300(rdev)) {
1651 		if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
1652 			found = connector_status_connected;
1653 	} else {
1654 		if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
1655 			found = connector_status_connected;
1656 	}
1657 
1658 	/* restore regs we used */
1659 	WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1660 	WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1661 	WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1662 
1663 	if (rdev->flags & RADEON_SINGLE_CRTC) {
1664 		WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
1665 	} else {
1666 		WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1667 		if (ASIC_IS_R300(rdev)) {
1668 			WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1669 			WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1670 		} else {
1671 			WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1672 		}
1673 	}
1674 
1675 	WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
1676 
1677 	return found;
1678 
1679 }
1680 
1681 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = {
1682 	.dpms = radeon_legacy_tv_dac_dpms,
1683 	.mode_fixup = radeon_legacy_mode_fixup,
1684 	.prepare = radeon_legacy_tv_dac_prepare,
1685 	.mode_set = radeon_legacy_tv_dac_mode_set,
1686 	.commit = radeon_legacy_tv_dac_commit,
1687 	.detect = radeon_legacy_tv_dac_detect,
1688 	.disable = radeon_legacy_encoder_disable,
1689 };
1690 
1691 
1692 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1693 	.destroy = radeon_enc_destroy,
1694 };
1695 
1696 
1697 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder)
1698 {
1699 	struct drm_device *dev = encoder->base.dev;
1700 	struct radeon_device *rdev = dev->dev_private;
1701 	struct radeon_encoder_int_tmds *tmds = NULL;
1702 	bool ret;
1703 
1704 	tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1705 
1706 	if (!tmds)
1707 		return NULL;
1708 
1709 	if (rdev->is_atom_bios)
1710 		ret = radeon_atombios_get_tmds_info(encoder, tmds);
1711 	else
1712 		ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1713 
1714 	if (ret == false)
1715 		radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1716 
1717 	return tmds;
1718 }
1719 
1720 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder)
1721 {
1722 	struct drm_device *dev = encoder->base.dev;
1723 	struct radeon_device *rdev = dev->dev_private;
1724 	struct radeon_encoder_ext_tmds *tmds = NULL;
1725 	bool ret;
1726 
1727 	if (rdev->is_atom_bios)
1728 		return NULL;
1729 
1730 	tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL);
1731 
1732 	if (!tmds)
1733 		return NULL;
1734 
1735 	ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
1736 
1737 	if (ret == false)
1738 		radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
1739 
1740 	return tmds;
1741 }
1742 
1743 void
1744 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
1745 {
1746 	struct radeon_device *rdev = dev->dev_private;
1747 	struct drm_encoder *encoder;
1748 	struct radeon_encoder *radeon_encoder;
1749 
1750 	/* see if we already added it */
1751 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1752 		radeon_encoder = to_radeon_encoder(encoder);
1753 		if (radeon_encoder->encoder_enum == encoder_enum) {
1754 			radeon_encoder->devices |= supported_device;
1755 			return;
1756 		}
1757 
1758 	}
1759 
1760 	/* add a new one */
1761 	radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL);
1762 	if (!radeon_encoder)
1763 		return;
1764 
1765 	encoder = &radeon_encoder->base;
1766 	if (rdev->flags & RADEON_SINGLE_CRTC)
1767 		encoder->possible_crtcs = 0x1;
1768 	else
1769 		encoder->possible_crtcs = 0x3;
1770 
1771 	radeon_encoder->enc_priv = NULL;
1772 
1773 	radeon_encoder->encoder_enum = encoder_enum;
1774 	radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1775 	radeon_encoder->devices = supported_device;
1776 	radeon_encoder->rmx_type = RMX_OFF;
1777 
1778 	switch (radeon_encoder->encoder_id) {
1779 	case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1780 		encoder->possible_crtcs = 0x1;
1781 		drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs,
1782 				 DRM_MODE_ENCODER_LVDS, NULL);
1783 		drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
1784 		if (rdev->is_atom_bios)
1785 			radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
1786 		else
1787 			radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder);
1788 		radeon_encoder->rmx_type = RMX_FULL;
1789 		break;
1790 	case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1791 		drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs,
1792 				 DRM_MODE_ENCODER_TMDS, NULL);
1793 		drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs);
1794 		radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder);
1795 		break;
1796 	case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1797 		drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs,
1798 				 DRM_MODE_ENCODER_DAC, NULL);
1799 		drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs);
1800 		if (rdev->is_atom_bios)
1801 			radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder);
1802 		else
1803 			radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder);
1804 		break;
1805 	case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1806 		drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs,
1807 				 DRM_MODE_ENCODER_TVDAC, NULL);
1808 		drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs);
1809 		if (rdev->is_atom_bios)
1810 			radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder);
1811 		else
1812 			radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder);
1813 		break;
1814 	case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1815 		drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs,
1816 				 DRM_MODE_ENCODER_TMDS, NULL);
1817 		drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs);
1818 		if (!rdev->is_atom_bios)
1819 			radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder);
1820 		break;
1821 	}
1822 }
1823