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