DRM/Radeon: Fix primary DAC Load Detection for RV100 chips.
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / radeon_legacy_encoders.c
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 "atom.h"
31 #include <linux/backlight.h>
32 #ifdef CONFIG_PMAC_BACKLIGHT
33 #include <asm/backlight.h>
34 #endif
35
36 static void radeon_legacy_encoder_disable(struct drm_encoder *encoder)
37 {
38         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
39         struct drm_encoder_helper_funcs *encoder_funcs;
40
41         encoder_funcs = encoder->helper_private;
42         encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
43         radeon_encoder->active_device = 0;
44 }
45
46 static void radeon_legacy_lvds_update(struct drm_encoder *encoder, int mode)
47 {
48         struct drm_device *dev = encoder->dev;
49         struct radeon_device *rdev = dev->dev_private;
50         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
51         uint32_t lvds_gen_cntl, lvds_pll_cntl, pixclks_cntl, disp_pwr_man;
52         int panel_pwr_delay = 2000;
53         bool is_mac = false;
54         uint8_t backlight_level;
55         DRM_DEBUG_KMS("\n");
56
57         lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
58         backlight_level = (lvds_gen_cntl >> RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
59
60         if (radeon_encoder->enc_priv) {
61                 if (rdev->is_atom_bios) {
62                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
63                         panel_pwr_delay = lvds->panel_pwr_delay;
64                         if (lvds->bl_dev)
65                                 backlight_level = lvds->backlight_level;
66                 } else {
67                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
68                         panel_pwr_delay = lvds->panel_pwr_delay;
69                         if (lvds->bl_dev)
70                                 backlight_level = lvds->backlight_level;
71                 }
72         }
73
74         /* macs (and possibly some x86 oem systems?) wire up LVDS strangely
75          * Taken from radeonfb.
76          */
77         if ((rdev->mode_info.connector_table == CT_IBOOK) ||
78             (rdev->mode_info.connector_table == CT_POWERBOOK_EXTERNAL) ||
79             (rdev->mode_info.connector_table == CT_POWERBOOK_INTERNAL) ||
80             (rdev->mode_info.connector_table == CT_POWERBOOK_VGA))
81                 is_mac = true;
82
83         switch (mode) {
84         case DRM_MODE_DPMS_ON:
85                 disp_pwr_man = RREG32(RADEON_DISP_PWR_MAN);
86                 disp_pwr_man |= RADEON_AUTO_PWRUP_EN;
87                 WREG32(RADEON_DISP_PWR_MAN, disp_pwr_man);
88                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
89                 lvds_pll_cntl |= RADEON_LVDS_PLL_EN;
90                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
91                 mdelay(1);
92
93                 lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
94                 lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET;
95                 WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
96
97                 lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS |
98                                    RADEON_LVDS_BL_MOD_LEVEL_MASK);
99                 lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN |
100                                   RADEON_LVDS_DIGON | RADEON_LVDS_BLON |
101                                   (backlight_level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT));
102                 if (is_mac)
103                         lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
104                 mdelay(panel_pwr_delay);
105                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
106                 break;
107         case DRM_MODE_DPMS_STANDBY:
108         case DRM_MODE_DPMS_SUSPEND:
109         case DRM_MODE_DPMS_OFF:
110                 pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
111                 WREG32_PLL_P(RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
112                 lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
113                 if (is_mac) {
114                         lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
115                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
116                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN);
117                 } else {
118                         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
119                         lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
120                 }
121                 mdelay(panel_pwr_delay);
122                 WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
123                 WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
124                 mdelay(panel_pwr_delay);
125                 break;
126         }
127
128         if (rdev->is_atom_bios)
129                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
130         else
131                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
132
133 }
134
135 static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
136 {
137         struct radeon_device *rdev = encoder->dev->dev_private;
138         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
139         DRM_DEBUG("\n");
140
141         if (radeon_encoder->enc_priv) {
142                 if (rdev->is_atom_bios) {
143                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
144                         lvds->dpms_mode = mode;
145                 } else {
146                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
147                         lvds->dpms_mode = mode;
148                 }
149         }
150
151         radeon_legacy_lvds_update(encoder, mode);
152 }
153
154 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder)
155 {
156         struct radeon_device *rdev = encoder->dev->dev_private;
157
158         if (rdev->is_atom_bios)
159                 radeon_atom_output_lock(encoder, true);
160         else
161                 radeon_combios_output_lock(encoder, true);
162         radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_OFF);
163 }
164
165 static void radeon_legacy_lvds_commit(struct drm_encoder *encoder)
166 {
167         struct radeon_device *rdev = encoder->dev->dev_private;
168
169         radeon_legacy_lvds_dpms(encoder, DRM_MODE_DPMS_ON);
170         if (rdev->is_atom_bios)
171                 radeon_atom_output_lock(encoder, false);
172         else
173                 radeon_combios_output_lock(encoder, false);
174 }
175
176 static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder,
177                                         struct drm_display_mode *mode,
178                                         struct drm_display_mode *adjusted_mode)
179 {
180         struct drm_device *dev = encoder->dev;
181         struct radeon_device *rdev = dev->dev_private;
182         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
183         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
184         uint32_t lvds_pll_cntl, lvds_gen_cntl, lvds_ss_gen_cntl;
185
186         DRM_DEBUG_KMS("\n");
187
188         lvds_pll_cntl = RREG32(RADEON_LVDS_PLL_CNTL);
189         lvds_pll_cntl &= ~RADEON_LVDS_PLL_EN;
190
191         lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
192         if (rdev->is_atom_bios) {
193                 /* LVDS_GEN_CNTL parameters are computed in LVDSEncoderControl
194                  * need to call that on resume to set up the reg properly.
195                  */
196                 radeon_encoder->pixel_clock = adjusted_mode->clock;
197                 atombios_digital_setup(encoder, PANEL_ENCODER_ACTION_ENABLE);
198                 lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
199         } else {
200                 struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv;
201                 if (lvds) {
202                         DRM_DEBUG_KMS("bios LVDS_GEN_CNTL: 0x%x\n", lvds->lvds_gen_cntl);
203                         lvds_gen_cntl = lvds->lvds_gen_cntl;
204                         lvds_ss_gen_cntl &= ~((0xf << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
205                                               (0xf << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
206                         lvds_ss_gen_cntl |= ((lvds->panel_digon_delay << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
207                                              (lvds->panel_blon_delay << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
208                 } else
209                         lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
210         }
211         lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
212         lvds_gen_cntl &= ~(RADEON_LVDS_ON |
213                            RADEON_LVDS_BLON |
214                            RADEON_LVDS_EN |
215                            RADEON_LVDS_RST_FM);
216
217         if (ASIC_IS_R300(rdev))
218                 lvds_pll_cntl &= ~(R300_LVDS_SRC_SEL_MASK);
219
220         if (radeon_crtc->crtc_id == 0) {
221                 if (ASIC_IS_R300(rdev)) {
222                         if (radeon_encoder->rmx_type != RMX_OFF)
223                                 lvds_pll_cntl |= R300_LVDS_SRC_SEL_RMX;
224                 } else
225                         lvds_gen_cntl &= ~RADEON_LVDS_SEL_CRTC2;
226         } else {
227                 if (ASIC_IS_R300(rdev))
228                         lvds_pll_cntl |= R300_LVDS_SRC_SEL_CRTC2;
229                 else
230                         lvds_gen_cntl |= RADEON_LVDS_SEL_CRTC2;
231         }
232
233         WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
234         WREG32(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
235         WREG32(RADEON_LVDS_SS_GEN_CNTL, lvds_ss_gen_cntl);
236
237         if (rdev->family == CHIP_RV410)
238                 WREG32(RADEON_CLOCK_CNTL_INDEX, 0);
239
240         if (rdev->is_atom_bios)
241                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
242         else
243                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
244 }
245
246 static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
247                                      const struct drm_display_mode *mode,
248                                      struct drm_display_mode *adjusted_mode)
249 {
250         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
251
252         /* set the active encoder to connector routing */
253         radeon_encoder_set_active_device(encoder);
254         drm_mode_set_crtcinfo(adjusted_mode, 0);
255
256         /* get the native mode for LVDS */
257         if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
258                 radeon_panel_mode_fixup(encoder, adjusted_mode);
259
260         return true;
261 }
262
263 static const struct drm_encoder_helper_funcs radeon_legacy_lvds_helper_funcs = {
264         .dpms = radeon_legacy_lvds_dpms,
265         .mode_fixup = radeon_legacy_mode_fixup,
266         .prepare = radeon_legacy_lvds_prepare,
267         .mode_set = radeon_legacy_lvds_mode_set,
268         .commit = radeon_legacy_lvds_commit,
269         .disable = radeon_legacy_encoder_disable,
270 };
271
272 u8
273 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder)
274 {
275         struct drm_device *dev = radeon_encoder->base.dev;
276         struct radeon_device *rdev = dev->dev_private;
277         u8 backlight_level;
278
279         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
280                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
281
282         return backlight_level;
283 }
284
285 void
286 radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level)
287 {
288         struct drm_device *dev = radeon_encoder->base.dev;
289         struct radeon_device *rdev = dev->dev_private;
290         int dpms_mode = DRM_MODE_DPMS_ON;
291
292         if (radeon_encoder->enc_priv) {
293                 if (rdev->is_atom_bios) {
294                         struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
295                         if (lvds->backlight_level > 0)
296                                 dpms_mode = lvds->dpms_mode;
297                         else
298                                 dpms_mode = DRM_MODE_DPMS_OFF;
299                         lvds->backlight_level = level;
300                 } else {
301                         struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
302                         if (lvds->backlight_level > 0)
303                                 dpms_mode = lvds->dpms_mode;
304                         else
305                                 dpms_mode = DRM_MODE_DPMS_OFF;
306                         lvds->backlight_level = level;
307                 }
308         }
309
310         radeon_legacy_lvds_update(&radeon_encoder->base, dpms_mode);
311 }
312
313 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
314
315 static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd)
316 {
317         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
318         uint8_t level;
319
320         /* Convert brightness to hardware level */
321         if (bd->props.brightness < 0)
322                 level = 0;
323         else if (bd->props.brightness > RADEON_MAX_BL_LEVEL)
324                 level = RADEON_MAX_BL_LEVEL;
325         else
326                 level = bd->props.brightness;
327
328         if (pdata->negative)
329                 level = RADEON_MAX_BL_LEVEL - level;
330
331         return level;
332 }
333
334 static int radeon_legacy_backlight_update_status(struct backlight_device *bd)
335 {
336         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
337         struct radeon_encoder *radeon_encoder = pdata->encoder;
338
339         radeon_legacy_set_backlight_level(radeon_encoder,
340                                           radeon_legacy_lvds_level(bd));
341
342         return 0;
343 }
344
345 static int radeon_legacy_backlight_get_brightness(struct backlight_device *bd)
346 {
347         struct radeon_backlight_privdata *pdata = bl_get_data(bd);
348         struct radeon_encoder *radeon_encoder = pdata->encoder;
349         struct drm_device *dev = radeon_encoder->base.dev;
350         struct radeon_device *rdev = dev->dev_private;
351         uint8_t backlight_level;
352
353         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
354                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
355
356         return pdata->negative ? RADEON_MAX_BL_LEVEL - backlight_level : backlight_level;
357 }
358
359 static const struct backlight_ops radeon_backlight_ops = {
360         .get_brightness = radeon_legacy_backlight_get_brightness,
361         .update_status  = radeon_legacy_backlight_update_status,
362 };
363
364 void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
365                                   struct drm_connector *drm_connector)
366 {
367         struct drm_device *dev = radeon_encoder->base.dev;
368         struct radeon_device *rdev = dev->dev_private;
369         struct backlight_device *bd;
370         struct backlight_properties props;
371         struct radeon_backlight_privdata *pdata;
372         uint8_t backlight_level;
373         char bl_name[16];
374
375         if (!radeon_encoder->enc_priv)
376                 return;
377
378 #ifdef CONFIG_PMAC_BACKLIGHT
379         if (!pmac_has_backlight_type("ati") &&
380             !pmac_has_backlight_type("mnca"))
381                 return;
382 #endif
383
384         pdata = kmalloc(sizeof(struct radeon_backlight_privdata), GFP_KERNEL);
385         if (!pdata) {
386                 DRM_ERROR("Memory allocation failed\n");
387                 goto error;
388         }
389
390         memset(&props, 0, sizeof(props));
391         props.max_brightness = RADEON_MAX_BL_LEVEL;
392         props.type = BACKLIGHT_RAW;
393         snprintf(bl_name, sizeof(bl_name),
394                  "radeon_bl%d", dev->primary->index);
395         bd = backlight_device_register(bl_name, &drm_connector->kdev,
396                                        pdata, &radeon_backlight_ops, &props);
397         if (IS_ERR(bd)) {
398                 DRM_ERROR("Backlight registration failed\n");
399                 goto error;
400         }
401
402         pdata->encoder = radeon_encoder;
403
404         backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >>
405                            RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff;
406
407         /* First, try to detect backlight level sense based on the assumption
408          * that firmware set it up at full brightness
409          */
410         if (backlight_level == 0)
411                 pdata->negative = true;
412         else if (backlight_level == 0xff)
413                 pdata->negative = false;
414         else {
415                 /* XXX hack... maybe some day we can figure out in what direction
416                  * backlight should work on a given panel?
417                  */
418                 pdata->negative = (rdev->family != CHIP_RV200 &&
419                                    rdev->family != CHIP_RV250 &&
420                                    rdev->family != CHIP_RV280 &&
421                                    rdev->family != CHIP_RV350);
422
423 #ifdef CONFIG_PMAC_BACKLIGHT
424                 pdata->negative = (pdata->negative ||
425                                    of_machine_is_compatible("PowerBook4,3") ||
426                                    of_machine_is_compatible("PowerBook6,3") ||
427                                    of_machine_is_compatible("PowerBook6,5"));
428 #endif
429         }
430
431         if (rdev->is_atom_bios) {
432                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
433                 lvds->bl_dev = bd;
434         } else {
435                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
436                 lvds->bl_dev = bd;
437         }
438
439         bd->props.brightness = radeon_legacy_backlight_get_brightness(bd);
440         bd->props.power = FB_BLANK_UNBLANK;
441         backlight_update_status(bd);
442
443         DRM_INFO("radeon legacy LVDS backlight initialized\n");
444
445         return;
446
447 error:
448         kfree(pdata);
449         return;
450 }
451
452 static void radeon_legacy_backlight_exit(struct radeon_encoder *radeon_encoder)
453 {
454         struct drm_device *dev = radeon_encoder->base.dev;
455         struct radeon_device *rdev = dev->dev_private;
456         struct backlight_device *bd = NULL;
457
458         if (!radeon_encoder->enc_priv)
459                 return;
460
461         if (rdev->is_atom_bios) {
462                 struct radeon_encoder_atom_dig *lvds = radeon_encoder->enc_priv;
463                 bd = lvds->bl_dev;
464                 lvds->bl_dev = NULL;
465         } else {
466                 struct radeon_encoder_lvds *lvds = radeon_encoder->enc_priv;
467                 bd = lvds->bl_dev;
468                 lvds->bl_dev = NULL;
469         }
470
471         if (bd) {
472                 struct radeon_backlight_privdata *pdata;
473
474                 pdata = bl_get_data(bd);
475                 backlight_device_unregister(bd);
476                 kfree(pdata);
477
478                 DRM_INFO("radeon legacy LVDS backlight unloaded\n");
479         }
480 }
481
482 #else /* !CONFIG_BACKLIGHT_CLASS_DEVICE */
483
484 void radeon_legacy_backlight_init(struct radeon_encoder *encoder)
485 {
486 }
487
488 static void radeon_legacy_backlight_exit(struct radeon_encoder *encoder)
489 {
490 }
491
492 #endif
493
494
495 static void radeon_lvds_enc_destroy(struct drm_encoder *encoder)
496 {
497         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
498
499         if (radeon_encoder->enc_priv) {
500                 radeon_legacy_backlight_exit(radeon_encoder);
501                 kfree(radeon_encoder->enc_priv);
502         }
503         drm_encoder_cleanup(encoder);
504         kfree(radeon_encoder);
505 }
506
507 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
508         .destroy = radeon_lvds_enc_destroy,
509 };
510
511 static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode)
512 {
513         struct drm_device *dev = encoder->dev;
514         struct radeon_device *rdev = dev->dev_private;
515         uint32_t crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
516         uint32_t dac_cntl = RREG32(RADEON_DAC_CNTL);
517         uint32_t dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
518
519         DRM_DEBUG_KMS("\n");
520
521         switch (mode) {
522         case DRM_MODE_DPMS_ON:
523                 crtc_ext_cntl |= RADEON_CRTC_CRT_ON;
524                 dac_cntl &= ~RADEON_DAC_PDWN;
525                 dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
526                                     RADEON_DAC_PDWN_G |
527                                     RADEON_DAC_PDWN_B);
528                 break;
529         case DRM_MODE_DPMS_STANDBY:
530         case DRM_MODE_DPMS_SUSPEND:
531         case DRM_MODE_DPMS_OFF:
532                 crtc_ext_cntl &= ~RADEON_CRTC_CRT_ON;
533                 dac_cntl |= RADEON_DAC_PDWN;
534                 dac_macro_cntl |= (RADEON_DAC_PDWN_R |
535                                    RADEON_DAC_PDWN_G |
536                                    RADEON_DAC_PDWN_B);
537                 break;
538         }
539
540         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
541         WREG32(RADEON_DAC_CNTL, dac_cntl);
542         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
543
544         if (rdev->is_atom_bios)
545                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
546         else
547                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
548
549 }
550
551 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
552 {
553         struct radeon_device *rdev = encoder->dev->dev_private;
554
555         if (rdev->is_atom_bios)
556                 radeon_atom_output_lock(encoder, true);
557         else
558                 radeon_combios_output_lock(encoder, true);
559         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
560 }
561
562 static void radeon_legacy_primary_dac_commit(struct drm_encoder *encoder)
563 {
564         struct radeon_device *rdev = encoder->dev->dev_private;
565
566         radeon_legacy_primary_dac_dpms(encoder, DRM_MODE_DPMS_ON);
567
568         if (rdev->is_atom_bios)
569                 radeon_atom_output_lock(encoder, false);
570         else
571                 radeon_combios_output_lock(encoder, false);
572 }
573
574 static void radeon_legacy_primary_dac_mode_set(struct drm_encoder *encoder,
575                                                struct drm_display_mode *mode,
576                                                struct drm_display_mode *adjusted_mode)
577 {
578         struct drm_device *dev = encoder->dev;
579         struct radeon_device *rdev = dev->dev_private;
580         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
581         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
582         uint32_t disp_output_cntl, dac_cntl, dac2_cntl, dac_macro_cntl;
583
584         DRM_DEBUG_KMS("\n");
585
586         if (radeon_crtc->crtc_id == 0) {
587                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
588                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
589                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
590                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
591                 } else {
592                         dac2_cntl = RREG32(RADEON_DAC_CNTL2)  & ~(RADEON_DAC2_DAC_CLK_SEL);
593                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
594                 }
595         } else {
596                 if (rdev->family == CHIP_R200 || ASIC_IS_R300(rdev)) {
597                         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL) &
598                                 ~(RADEON_DISP_DAC_SOURCE_MASK);
599                         disp_output_cntl |= RADEON_DISP_DAC_SOURCE_CRTC2;
600                         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
601                 } else {
602                         dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
603                         WREG32(RADEON_DAC_CNTL2, dac2_cntl);
604                 }
605         }
606
607         dac_cntl = (RADEON_DAC_MASK_ALL |
608                     RADEON_DAC_VGA_ADR_EN |
609                     /* TODO 6-bits */
610                     RADEON_DAC_8BIT_EN);
611
612         WREG32_P(RADEON_DAC_CNTL,
613                        dac_cntl,
614                        RADEON_DAC_RANGE_CNTL |
615                        RADEON_DAC_BLANKING);
616
617         if (radeon_encoder->enc_priv) {
618                 struct radeon_encoder_primary_dac *p_dac = (struct radeon_encoder_primary_dac *)radeon_encoder->enc_priv;
619                 dac_macro_cntl = p_dac->ps2_pdac_adj;
620         } else
621                 dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
622         dac_macro_cntl |= RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B;
623         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
624
625         if (rdev->is_atom_bios)
626                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
627         else
628                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
629 }
630
631 static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_encoder *encoder,
632                                                                   struct drm_connector *connector)
633 {
634         struct drm_device *dev = encoder->dev;
635         struct radeon_device *rdev = dev->dev_private;
636         uint32_t vclk_ecp_cntl, crtc_ext_cntl;
637         uint32_t dac_ext_cntl, dac_cntl, dac_macro_cntl, tmp;
638         enum drm_connector_status found = connector_status_disconnected;
639         bool color = true;
640
641         /* save the regs we need */
642         vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
643         crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
644         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
645         dac_cntl = RREG32(RADEON_DAC_CNTL);
646         dac_macro_cntl = RREG32(RADEON_DAC_MACRO_CNTL);
647
648         tmp = vclk_ecp_cntl &
649                 ~(RADEON_PIXCLK_ALWAYS_ONb | RADEON_PIXCLK_DAC_ALWAYS_ONb);
650         WREG32_PLL(RADEON_VCLK_ECP_CNTL, tmp);
651
652         tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
653         WREG32(RADEON_CRTC_EXT_CNTL, tmp);
654
655         tmp = RADEON_DAC_FORCE_BLANK_OFF_EN |
656                 RADEON_DAC_FORCE_DATA_EN;
657
658         if (color)
659                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
660         else
661                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
662
663         if (ASIC_IS_R300(rdev))
664                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
665         else if (ASIC_IS_RV100(rdev))
666                 tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
667         else
668                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
669
670         WREG32(RADEON_DAC_EXT_CNTL, tmp);
671
672         tmp = dac_cntl & ~(RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_PDWN);
673         tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
674         WREG32(RADEON_DAC_CNTL, tmp);
675
676         tmp = dac_macro_cntl;
677         tmp &= ~(RADEON_DAC_PDWN_R |
678                  RADEON_DAC_PDWN_G |
679                  RADEON_DAC_PDWN_B);
680
681         WREG32(RADEON_DAC_MACRO_CNTL, tmp);
682
683         mdelay(2);
684
685         if (RREG32(RADEON_DAC_CNTL) & RADEON_DAC_CMP_OUTPUT)
686                 found = connector_status_connected;
687
688         /* restore the regs we used */
689         WREG32(RADEON_DAC_CNTL, dac_cntl);
690         WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
691         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
692         WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
693         WREG32_PLL(RADEON_VCLK_ECP_CNTL, vclk_ecp_cntl);
694
695         return found;
696 }
697
698 static const struct drm_encoder_helper_funcs radeon_legacy_primary_dac_helper_funcs = {
699         .dpms = radeon_legacy_primary_dac_dpms,
700         .mode_fixup = radeon_legacy_mode_fixup,
701         .prepare = radeon_legacy_primary_dac_prepare,
702         .mode_set = radeon_legacy_primary_dac_mode_set,
703         .commit = radeon_legacy_primary_dac_commit,
704         .detect = radeon_legacy_primary_dac_detect,
705         .disable = radeon_legacy_encoder_disable,
706 };
707
708
709 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
710         .destroy = radeon_enc_destroy,
711 };
712
713 static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
714 {
715         struct drm_device *dev = encoder->dev;
716         struct radeon_device *rdev = dev->dev_private;
717         uint32_t fp_gen_cntl = RREG32(RADEON_FP_GEN_CNTL);
718         DRM_DEBUG_KMS("\n");
719
720         switch (mode) {
721         case DRM_MODE_DPMS_ON:
722                 fp_gen_cntl |= (RADEON_FP_FPON | RADEON_FP_TMDS_EN);
723                 break;
724         case DRM_MODE_DPMS_STANDBY:
725         case DRM_MODE_DPMS_SUSPEND:
726         case DRM_MODE_DPMS_OFF:
727                 fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
728                 break;
729         }
730
731         WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
732
733         if (rdev->is_atom_bios)
734                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
735         else
736                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
737
738 }
739
740 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
741 {
742         struct radeon_device *rdev = encoder->dev->dev_private;
743
744         if (rdev->is_atom_bios)
745                 radeon_atom_output_lock(encoder, true);
746         else
747                 radeon_combios_output_lock(encoder, true);
748         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_OFF);
749 }
750
751 static void radeon_legacy_tmds_int_commit(struct drm_encoder *encoder)
752 {
753         struct radeon_device *rdev = encoder->dev->dev_private;
754
755         radeon_legacy_tmds_int_dpms(encoder, DRM_MODE_DPMS_ON);
756
757         if (rdev->is_atom_bios)
758                 radeon_atom_output_lock(encoder, true);
759         else
760                 radeon_combios_output_lock(encoder, true);
761 }
762
763 static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
764                                             struct drm_display_mode *mode,
765                                             struct drm_display_mode *adjusted_mode)
766 {
767         struct drm_device *dev = encoder->dev;
768         struct radeon_device *rdev = dev->dev_private;
769         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
770         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
771         uint32_t tmp, tmds_pll_cntl, tmds_transmitter_cntl, fp_gen_cntl;
772         int i;
773
774         DRM_DEBUG_KMS("\n");
775
776         tmp = tmds_pll_cntl = RREG32(RADEON_TMDS_PLL_CNTL);
777         tmp &= 0xfffff;
778         if (rdev->family == CHIP_RV280) {
779                 /* bit 22 of TMDS_PLL_CNTL is read-back inverted */
780                 tmp ^= (1 << 22);
781                 tmds_pll_cntl ^= (1 << 22);
782         }
783
784         if (radeon_encoder->enc_priv) {
785                 struct radeon_encoder_int_tmds *tmds = (struct radeon_encoder_int_tmds *)radeon_encoder->enc_priv;
786
787                 for (i = 0; i < 4; i++) {
788                         if (tmds->tmds_pll[i].freq == 0)
789                                 break;
790                         if ((uint32_t)(mode->clock / 10) < tmds->tmds_pll[i].freq) {
791                                 tmp = tmds->tmds_pll[i].value ;
792                                 break;
793                         }
794                 }
795         }
796
797         if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV280)) {
798                 if (tmp & 0xfff00000)
799                         tmds_pll_cntl = tmp;
800                 else {
801                         tmds_pll_cntl &= 0xfff00000;
802                         tmds_pll_cntl |= tmp;
803                 }
804         } else
805                 tmds_pll_cntl = tmp;
806
807         tmds_transmitter_cntl = RREG32(RADEON_TMDS_TRANSMITTER_CNTL) &
808                 ~(RADEON_TMDS_TRANSMITTER_PLLRST);
809
810     if (rdev->family == CHIP_R200 ||
811         rdev->family == CHIP_R100 ||
812         ASIC_IS_R300(rdev))
813             tmds_transmitter_cntl &= ~(RADEON_TMDS_TRANSMITTER_PLLEN);
814     else /* RV chips got this bit reversed */
815             tmds_transmitter_cntl |= RADEON_TMDS_TRANSMITTER_PLLEN;
816
817     fp_gen_cntl = (RREG32(RADEON_FP_GEN_CNTL) |
818                    (RADEON_FP_CRTC_DONT_SHADOW_VPAR |
819                     RADEON_FP_CRTC_DONT_SHADOW_HEND));
820
821     fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
822
823     fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
824                      RADEON_FP_DFP_SYNC_SEL |
825                      RADEON_FP_CRT_SYNC_SEL |
826                      RADEON_FP_CRTC_LOCK_8DOT |
827                      RADEON_FP_USE_SHADOW_EN |
828                      RADEON_FP_CRTC_USE_SHADOW_VEND |
829                      RADEON_FP_CRT_SYNC_ALT);
830
831     if (1) /*  FIXME rgbBits == 8 */
832             fp_gen_cntl |= RADEON_FP_PANEL_FORMAT;  /* 24 bit format */
833     else
834             fp_gen_cntl &= ~RADEON_FP_PANEL_FORMAT;/* 18 bit format */
835
836     if (radeon_crtc->crtc_id == 0) {
837             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
838                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
839                     if (radeon_encoder->rmx_type != RMX_OFF)
840                             fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
841                     else
842                             fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
843             } else
844                     fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
845     } else {
846             if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
847                     fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
848                     fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC2;
849             } else
850                     fp_gen_cntl |= RADEON_FP_SEL_CRTC2;
851     }
852
853     WREG32(RADEON_TMDS_PLL_CNTL, tmds_pll_cntl);
854     WREG32(RADEON_TMDS_TRANSMITTER_CNTL, tmds_transmitter_cntl);
855     WREG32(RADEON_FP_GEN_CNTL, fp_gen_cntl);
856
857         if (rdev->is_atom_bios)
858                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
859         else
860                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
861 }
862
863 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_int_helper_funcs = {
864         .dpms = radeon_legacy_tmds_int_dpms,
865         .mode_fixup = radeon_legacy_mode_fixup,
866         .prepare = radeon_legacy_tmds_int_prepare,
867         .mode_set = radeon_legacy_tmds_int_mode_set,
868         .commit = radeon_legacy_tmds_int_commit,
869         .disable = radeon_legacy_encoder_disable,
870 };
871
872
873 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
874         .destroy = radeon_enc_destroy,
875 };
876
877 static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
878 {
879         struct drm_device *dev = encoder->dev;
880         struct radeon_device *rdev = dev->dev_private;
881         uint32_t fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
882         DRM_DEBUG_KMS("\n");
883
884         switch (mode) {
885         case DRM_MODE_DPMS_ON:
886                 fp2_gen_cntl &= ~RADEON_FP2_BLANK_EN;
887                 fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
888                 break;
889         case DRM_MODE_DPMS_STANDBY:
890         case DRM_MODE_DPMS_SUSPEND:
891         case DRM_MODE_DPMS_OFF:
892                 fp2_gen_cntl |= RADEON_FP2_BLANK_EN;
893                 fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
894                 break;
895         }
896
897         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
898
899         if (rdev->is_atom_bios)
900                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
901         else
902                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
903
904 }
905
906 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
907 {
908         struct radeon_device *rdev = encoder->dev->dev_private;
909
910         if (rdev->is_atom_bios)
911                 radeon_atom_output_lock(encoder, true);
912         else
913                 radeon_combios_output_lock(encoder, true);
914         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_OFF);
915 }
916
917 static void radeon_legacy_tmds_ext_commit(struct drm_encoder *encoder)
918 {
919         struct radeon_device *rdev = encoder->dev->dev_private;
920         radeon_legacy_tmds_ext_dpms(encoder, DRM_MODE_DPMS_ON);
921
922         if (rdev->is_atom_bios)
923                 radeon_atom_output_lock(encoder, false);
924         else
925                 radeon_combios_output_lock(encoder, false);
926 }
927
928 static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder,
929                                             struct drm_display_mode *mode,
930                                             struct drm_display_mode *adjusted_mode)
931 {
932         struct drm_device *dev = encoder->dev;
933         struct radeon_device *rdev = dev->dev_private;
934         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
935         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
936         uint32_t fp2_gen_cntl;
937
938         DRM_DEBUG_KMS("\n");
939
940         if (rdev->is_atom_bios) {
941                 radeon_encoder->pixel_clock = adjusted_mode->clock;
942                 atombios_dvo_setup(encoder, ATOM_ENABLE);
943                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
944         } else {
945                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
946
947                 if (1) /*  FIXME rgbBits == 8 */
948                         fp2_gen_cntl |= RADEON_FP2_PANEL_FORMAT; /* 24 bit format, */
949                 else
950                         fp2_gen_cntl &= ~RADEON_FP2_PANEL_FORMAT;/* 18 bit format, */
951
952                 fp2_gen_cntl &= ~(RADEON_FP2_ON |
953                                   RADEON_FP2_DVO_EN |
954                                   RADEON_FP2_DVO_RATE_SEL_SDR);
955
956                 /* XXX: these are oem specific */
957                 if (ASIC_IS_R300(rdev)) {
958                         if ((dev->pdev->device == 0x4850) &&
959                             (dev->pdev->subsystem_vendor == 0x1028) &&
960                             (dev->pdev->subsystem_device == 0x2001)) /* Dell Inspiron 8600 */
961                                 fp2_gen_cntl |= R300_FP2_DVO_CLOCK_MODE_SINGLE;
962                         else
963                                 fp2_gen_cntl |= RADEON_FP2_PAD_FLOP_EN | R300_FP2_DVO_CLOCK_MODE_SINGLE;
964
965                         /*if (mode->clock > 165000)
966                           fp2_gen_cntl |= R300_FP2_DVO_DUAL_CHANNEL_EN;*/
967                 }
968                 if (!radeon_combios_external_tmds_setup(encoder))
969                         radeon_external_tmds_setup(encoder);
970         }
971
972         if (radeon_crtc->crtc_id == 0) {
973                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
974                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
975                         if (radeon_encoder->rmx_type != RMX_OFF)
976                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_RMX;
977                         else
978                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1;
979                 } else
980                         fp2_gen_cntl &= ~RADEON_FP2_SRC_SEL_CRTC2;
981         } else {
982                 if ((rdev->family == CHIP_R200) || ASIC_IS_R300(rdev)) {
983                         fp2_gen_cntl &= ~R200_FP2_SOURCE_SEL_MASK;
984                         fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
985                 } else
986                         fp2_gen_cntl |= RADEON_FP2_SRC_SEL_CRTC2;
987         }
988
989         WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
990
991         if (rdev->is_atom_bios)
992                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
993         else
994                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
995 }
996
997 static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder)
998 {
999         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1000         /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */
1001         kfree(radeon_encoder->enc_priv);
1002         drm_encoder_cleanup(encoder);
1003         kfree(radeon_encoder);
1004 }
1005
1006 static const struct drm_encoder_helper_funcs radeon_legacy_tmds_ext_helper_funcs = {
1007         .dpms = radeon_legacy_tmds_ext_dpms,
1008         .mode_fixup = radeon_legacy_mode_fixup,
1009         .prepare = radeon_legacy_tmds_ext_prepare,
1010         .mode_set = radeon_legacy_tmds_ext_mode_set,
1011         .commit = radeon_legacy_tmds_ext_commit,
1012         .disable = radeon_legacy_encoder_disable,
1013 };
1014
1015
1016 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
1017         .destroy = radeon_ext_tmds_enc_destroy,
1018 };
1019
1020 static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
1021 {
1022         struct drm_device *dev = encoder->dev;
1023         struct radeon_device *rdev = dev->dev_private;
1024         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1025         uint32_t fp2_gen_cntl = 0, crtc2_gen_cntl = 0, tv_dac_cntl = 0;
1026         uint32_t tv_master_cntl = 0;
1027         bool is_tv;
1028         DRM_DEBUG_KMS("\n");
1029
1030         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1031
1032         if (rdev->family == CHIP_R200)
1033                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1034         else {
1035                 if (is_tv)
1036                         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1037                 else
1038                         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1039                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1040         }
1041
1042         switch (mode) {
1043         case DRM_MODE_DPMS_ON:
1044                 if (rdev->family == CHIP_R200) {
1045                         fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1046                 } else {
1047                         if (is_tv)
1048                                 tv_master_cntl |= RADEON_TV_ON;
1049                         else
1050                                 crtc2_gen_cntl |= RADEON_CRTC2_CRT2_ON;
1051
1052                         if (rdev->family == CHIP_R420 ||
1053                             rdev->family == CHIP_R423 ||
1054                             rdev->family == CHIP_RV410)
1055                                 tv_dac_cntl &= ~(R420_TV_DAC_RDACPD |
1056                                                  R420_TV_DAC_GDACPD |
1057                                                  R420_TV_DAC_BDACPD |
1058                                                  RADEON_TV_DAC_BGSLEEP);
1059                         else
1060                                 tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
1061                                                  RADEON_TV_DAC_GDACPD |
1062                                                  RADEON_TV_DAC_BDACPD |
1063                                                  RADEON_TV_DAC_BGSLEEP);
1064                 }
1065                 break;
1066         case DRM_MODE_DPMS_STANDBY:
1067         case DRM_MODE_DPMS_SUSPEND:
1068         case DRM_MODE_DPMS_OFF:
1069                 if (rdev->family == CHIP_R200)
1070                         fp2_gen_cntl &= ~(RADEON_FP2_ON | RADEON_FP2_DVO_EN);
1071                 else {
1072                         if (is_tv)
1073                                 tv_master_cntl &= ~RADEON_TV_ON;
1074                         else
1075                                 crtc2_gen_cntl &= ~RADEON_CRTC2_CRT2_ON;
1076
1077                         if (rdev->family == CHIP_R420 ||
1078                             rdev->family == CHIP_R423 ||
1079                             rdev->family == CHIP_RV410)
1080                                 tv_dac_cntl |= (R420_TV_DAC_RDACPD |
1081                                                 R420_TV_DAC_GDACPD |
1082                                                 R420_TV_DAC_BDACPD |
1083                                                 RADEON_TV_DAC_BGSLEEP);
1084                         else
1085                                 tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
1086                                                 RADEON_TV_DAC_GDACPD |
1087                                                 RADEON_TV_DAC_BDACPD |
1088                                                 RADEON_TV_DAC_BGSLEEP);
1089                 }
1090                 break;
1091         }
1092
1093         if (rdev->family == CHIP_R200) {
1094                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1095         } else {
1096                 if (is_tv)
1097                         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1098                 else
1099                         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1100                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1101         }
1102
1103         if (rdev->is_atom_bios)
1104                 radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1105         else
1106                 radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
1107
1108 }
1109
1110 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
1111 {
1112         struct radeon_device *rdev = encoder->dev->dev_private;
1113
1114         if (rdev->is_atom_bios)
1115                 radeon_atom_output_lock(encoder, true);
1116         else
1117                 radeon_combios_output_lock(encoder, true);
1118         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_OFF);
1119 }
1120
1121 static void radeon_legacy_tv_dac_commit(struct drm_encoder *encoder)
1122 {
1123         struct radeon_device *rdev = encoder->dev->dev_private;
1124
1125         radeon_legacy_tv_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1126
1127         if (rdev->is_atom_bios)
1128                 radeon_atom_output_lock(encoder, true);
1129         else
1130                 radeon_combios_output_lock(encoder, true);
1131 }
1132
1133 static void radeon_legacy_tv_dac_mode_set(struct drm_encoder *encoder,
1134                 struct drm_display_mode *mode,
1135                 struct drm_display_mode *adjusted_mode)
1136 {
1137         struct drm_device *dev = encoder->dev;
1138         struct radeon_device *rdev = dev->dev_private;
1139         struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1140         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1141         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1142         uint32_t tv_dac_cntl, gpiopad_a = 0, dac2_cntl, disp_output_cntl = 0;
1143         uint32_t disp_hw_debug = 0, fp2_gen_cntl = 0, disp_tv_out_cntl = 0;
1144         bool is_tv = false;
1145
1146         DRM_DEBUG_KMS("\n");
1147
1148         is_tv = radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT ? true : false;
1149
1150         if (rdev->family != CHIP_R200) {
1151                 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1152                 if (rdev->family == CHIP_R420 ||
1153                     rdev->family == CHIP_R423 ||
1154                     rdev->family == CHIP_RV410) {
1155                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1156                                          RADEON_TV_DAC_BGADJ_MASK |
1157                                          R420_TV_DAC_DACADJ_MASK |
1158                                          R420_TV_DAC_RDACPD |
1159                                          R420_TV_DAC_GDACPD |
1160                                          R420_TV_DAC_BDACPD |
1161                                          R420_TV_DAC_TVENABLE);
1162                 } else {
1163                         tv_dac_cntl &= ~(RADEON_TV_DAC_STD_MASK |
1164                                          RADEON_TV_DAC_BGADJ_MASK |
1165                                          RADEON_TV_DAC_DACADJ_MASK |
1166                                          RADEON_TV_DAC_RDACPD |
1167                                          RADEON_TV_DAC_GDACPD |
1168                                          RADEON_TV_DAC_BDACPD);
1169                 }
1170
1171                 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD;
1172
1173                 if (is_tv) {
1174                         if (tv_dac->tv_std == TV_STD_NTSC ||
1175                             tv_dac->tv_std == TV_STD_NTSC_J ||
1176                             tv_dac->tv_std == TV_STD_PAL_M ||
1177                             tv_dac->tv_std == TV_STD_PAL_60)
1178                                 tv_dac_cntl |= tv_dac->ntsc_tvdac_adj;
1179                         else
1180                                 tv_dac_cntl |= tv_dac->pal_tvdac_adj;
1181
1182                         if (tv_dac->tv_std == TV_STD_NTSC ||
1183                             tv_dac->tv_std == TV_STD_NTSC_J)
1184                                 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC;
1185                         else
1186                                 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL;
1187                 } else
1188                         tv_dac_cntl |= (RADEON_TV_DAC_STD_PS2 |
1189                                         tv_dac->ps2_tvdac_adj);
1190
1191                 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1192         }
1193
1194         if (ASIC_IS_R300(rdev)) {
1195                 gpiopad_a = RREG32(RADEON_GPIOPAD_A) | 1;
1196                 disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1197         } else if (rdev->family != CHIP_R200)
1198                 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
1199         else if (rdev->family == CHIP_R200)
1200                 fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
1201
1202         if (rdev->family >= CHIP_R200)
1203                 disp_tv_out_cntl = RREG32(RADEON_DISP_TV_OUT_CNTL);
1204
1205         if (is_tv) {
1206                 uint32_t dac_cntl;
1207
1208                 dac_cntl = RREG32(RADEON_DAC_CNTL);
1209                 dac_cntl &= ~RADEON_DAC_TVO_EN;
1210                 WREG32(RADEON_DAC_CNTL, dac_cntl);
1211
1212                 if (ASIC_IS_R300(rdev))
1213                         gpiopad_a = RREG32(RADEON_GPIOPAD_A) & ~1;
1214
1215                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
1216                 if (radeon_crtc->crtc_id == 0) {
1217                         if (ASIC_IS_R300(rdev)) {
1218                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1219                                 disp_output_cntl |= (RADEON_DISP_TVDAC_SOURCE_CRTC |
1220                                                      RADEON_DISP_TV_SOURCE_CRTC);
1221                         }
1222                         if (rdev->family >= CHIP_R200) {
1223                                 disp_tv_out_cntl &= ~RADEON_DISP_TV_PATH_SRC_CRTC2;
1224                         } else {
1225                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1226                         }
1227                 } else {
1228                         if (ASIC_IS_R300(rdev)) {
1229                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1230                                 disp_output_cntl |= RADEON_DISP_TV_SOURCE_CRTC;
1231                         }
1232                         if (rdev->family >= CHIP_R200) {
1233                                 disp_tv_out_cntl |= RADEON_DISP_TV_PATH_SRC_CRTC2;
1234                         } else {
1235                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1236                         }
1237                 }
1238                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1239         } else {
1240
1241                 dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
1242
1243                 if (radeon_crtc->crtc_id == 0) {
1244                         if (ASIC_IS_R300(rdev)) {
1245                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1246                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC;
1247                         } else if (rdev->family == CHIP_R200) {
1248                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1249                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1250                         } else
1251                                 disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
1252                 } else {
1253                         if (ASIC_IS_R300(rdev)) {
1254                                 disp_output_cntl &= ~RADEON_DISP_TVDAC_SOURCE_MASK;
1255                                 disp_output_cntl |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1256                         } else if (rdev->family == CHIP_R200) {
1257                                 fp2_gen_cntl &= ~(R200_FP2_SOURCE_SEL_MASK |
1258                                                   RADEON_FP2_DVO_RATE_SEL_SDR);
1259                                 fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2;
1260                         } else
1261                                 disp_hw_debug &= ~RADEON_CRT2_DISP1_SEL;
1262                 }
1263                 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
1264         }
1265
1266         if (ASIC_IS_R300(rdev)) {
1267                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1268                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1269         } else if (rdev->family != CHIP_R200)
1270                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1271         else if (rdev->family == CHIP_R200)
1272                 WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
1273
1274         if (rdev->family >= CHIP_R200)
1275                 WREG32(RADEON_DISP_TV_OUT_CNTL, disp_tv_out_cntl);
1276
1277         if (is_tv)
1278                 radeon_legacy_tv_mode_set(encoder, mode, adjusted_mode);
1279
1280         if (rdev->is_atom_bios)
1281                 radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1282         else
1283                 radeon_combios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
1284
1285 }
1286
1287 static bool r300_legacy_tv_detect(struct drm_encoder *encoder,
1288                                   struct drm_connector *connector)
1289 {
1290         struct drm_device *dev = encoder->dev;
1291         struct radeon_device *rdev = dev->dev_private;
1292         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1293         uint32_t disp_output_cntl, gpiopad_a, tmp;
1294         bool found = false;
1295
1296         /* save regs needed */
1297         gpiopad_a = RREG32(RADEON_GPIOPAD_A);
1298         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1299         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1300         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1301         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1302         disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
1303
1304         WREG32_P(RADEON_GPIOPAD_A, 0, ~1);
1305
1306         WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
1307
1308         WREG32(RADEON_CRTC2_GEN_CNTL,
1309                RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_VSYNC_TRISTAT);
1310
1311         tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1312         tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1313         WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1314
1315         WREG32(RADEON_DAC_EXT_CNTL,
1316                RADEON_DAC2_FORCE_BLANK_OFF_EN |
1317                RADEON_DAC2_FORCE_DATA_EN |
1318                RADEON_DAC_FORCE_DATA_SEL_RGB |
1319                (0xec << RADEON_DAC_FORCE_DATA_SHIFT));
1320
1321         WREG32(RADEON_TV_DAC_CNTL,
1322                RADEON_TV_DAC_STD_NTSC |
1323                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1324                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1325
1326         RREG32(RADEON_TV_DAC_CNTL);
1327         mdelay(4);
1328
1329         WREG32(RADEON_TV_DAC_CNTL,
1330                RADEON_TV_DAC_NBLANK |
1331                RADEON_TV_DAC_NHOLD |
1332                RADEON_TV_MONITOR_DETECT_EN |
1333                RADEON_TV_DAC_STD_NTSC |
1334                (8 << RADEON_TV_DAC_BGADJ_SHIFT) |
1335                (6 << RADEON_TV_DAC_DACADJ_SHIFT));
1336
1337         RREG32(RADEON_TV_DAC_CNTL);
1338         mdelay(6);
1339
1340         tmp = RREG32(RADEON_TV_DAC_CNTL);
1341         if ((tmp & RADEON_TV_DAC_GDACDET) != 0) {
1342                 found = true;
1343                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1344         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1345                 found = true;
1346                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1347         }
1348
1349         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1350         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1351         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1352         WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1353         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1354         WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1355         return found;
1356 }
1357
1358 static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
1359                                     struct drm_connector *connector)
1360 {
1361         struct drm_device *dev = encoder->dev;
1362         struct radeon_device *rdev = dev->dev_private;
1363         uint32_t tv_dac_cntl, dac_cntl2;
1364         uint32_t config_cntl, tv_pre_dac_mux_cntl, tv_master_cntl, tmp;
1365         bool found = false;
1366
1367         if (ASIC_IS_R300(rdev))
1368                 return r300_legacy_tv_detect(encoder, connector);
1369
1370         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1371         tv_master_cntl = RREG32(RADEON_TV_MASTER_CNTL);
1372         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1373         config_cntl = RREG32(RADEON_CONFIG_CNTL);
1374         tv_pre_dac_mux_cntl = RREG32(RADEON_TV_PRE_DAC_MUX_CNTL);
1375
1376         tmp = dac_cntl2 & ~RADEON_DAC2_DAC2_CLK_SEL;
1377         WREG32(RADEON_DAC_CNTL2, tmp);
1378
1379         tmp = tv_master_cntl | RADEON_TV_ON;
1380         tmp &= ~(RADEON_TV_ASYNC_RST |
1381                  RADEON_RESTART_PHASE_FIX |
1382                  RADEON_CRT_FIFO_CE_EN |
1383                  RADEON_TV_FIFO_CE_EN |
1384                  RADEON_RE_SYNC_NOW_SEL_MASK);
1385         tmp |= RADEON_TV_FIFO_ASYNC_RST | RADEON_CRT_ASYNC_RST;
1386         WREG32(RADEON_TV_MASTER_CNTL, tmp);
1387
1388         tmp = RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD |
1389                 RADEON_TV_MONITOR_DETECT_EN | RADEON_TV_DAC_STD_NTSC |
1390                 (8 << RADEON_TV_DAC_BGADJ_SHIFT);
1391
1392         if (config_cntl & RADEON_CFG_ATI_REV_ID_MASK)
1393                 tmp |= (4 << RADEON_TV_DAC_DACADJ_SHIFT);
1394         else
1395                 tmp |= (8 << RADEON_TV_DAC_DACADJ_SHIFT);
1396         WREG32(RADEON_TV_DAC_CNTL, tmp);
1397
1398         tmp = RADEON_C_GRN_EN | RADEON_CMP_BLU_EN |
1399                 RADEON_RED_MX_FORCE_DAC_DATA |
1400                 RADEON_GRN_MX_FORCE_DAC_DATA |
1401                 RADEON_BLU_MX_FORCE_DAC_DATA |
1402                 (0x109 << RADEON_TV_FORCE_DAC_DATA_SHIFT);
1403         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tmp);
1404
1405         mdelay(3);
1406         tmp = RREG32(RADEON_TV_DAC_CNTL);
1407         if (tmp & RADEON_TV_DAC_GDACDET) {
1408                 found = true;
1409                 DRM_DEBUG_KMS("S-video TV connection detected\n");
1410         } else if ((tmp & RADEON_TV_DAC_BDACDET) != 0) {
1411                 found = true;
1412                 DRM_DEBUG_KMS("Composite TV connection detected\n");
1413         }
1414
1415         WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, tv_pre_dac_mux_cntl);
1416         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1417         WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
1418         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1419         return found;
1420 }
1421
1422 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
1423                                                              struct drm_connector *connector)
1424 {
1425         struct drm_device *dev = encoder->dev;
1426         struct radeon_device *rdev = dev->dev_private;
1427         uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
1428         uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp;
1429         enum drm_connector_status found = connector_status_disconnected;
1430         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1431         struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
1432         bool color = true;
1433         struct drm_crtc *crtc;
1434
1435         /* find out if crtc2 is in use or if this encoder is using it */
1436         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1437                 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1438                 if ((radeon_crtc->crtc_id == 1) && crtc->enabled) {
1439                         if (encoder->crtc != crtc) {
1440                                 return connector_status_disconnected;
1441                         }
1442                 }
1443         }
1444
1445         if (connector->connector_type == DRM_MODE_CONNECTOR_SVIDEO ||
1446             connector->connector_type == DRM_MODE_CONNECTOR_Composite ||
1447             connector->connector_type == DRM_MODE_CONNECTOR_9PinDIN) {
1448                 bool tv_detect;
1449
1450                 if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT))
1451                         return connector_status_disconnected;
1452
1453                 tv_detect = radeon_legacy_tv_detect(encoder, connector);
1454                 if (tv_detect && tv_dac)
1455                         found = connector_status_connected;
1456                 return found;
1457         }
1458
1459         /* don't probe if the encoder is being used for something else not CRT related */
1460         if (radeon_encoder->active_device && !(radeon_encoder->active_device & ATOM_DEVICE_CRT_SUPPORT)) {
1461                 DRM_INFO("not detecting due to %08x\n", radeon_encoder->active_device);
1462                 return connector_status_disconnected;
1463         }
1464
1465         /* save the regs we need */
1466         pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
1467         gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0;
1468         disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0;
1469         disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG);
1470         crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
1471         tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
1472         dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
1473         dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
1474
1475         tmp = pixclks_cntl & ~(RADEON_PIX2CLK_ALWAYS_ONb
1476                                | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
1477         WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
1478
1479         if (ASIC_IS_R300(rdev))
1480                 WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
1481
1482         tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
1483         tmp |= RADEON_CRTC2_CRT2_ON |
1484                 (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
1485
1486         WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
1487
1488         if (ASIC_IS_R300(rdev)) {
1489                 tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
1490                 tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
1491                 WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
1492         } else {
1493                 tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
1494                 WREG32(RADEON_DISP_HW_DEBUG, tmp);
1495         }
1496
1497         tmp = RADEON_TV_DAC_NBLANK |
1498                 RADEON_TV_DAC_NHOLD |
1499                 RADEON_TV_MONITOR_DETECT_EN |
1500                 RADEON_TV_DAC_STD_PS2;
1501
1502         WREG32(RADEON_TV_DAC_CNTL, tmp);
1503
1504         tmp = RADEON_DAC2_FORCE_BLANK_OFF_EN |
1505                 RADEON_DAC2_FORCE_DATA_EN;
1506
1507         if (color)
1508                 tmp |= RADEON_DAC_FORCE_DATA_SEL_RGB;
1509         else
1510                 tmp |= RADEON_DAC_FORCE_DATA_SEL_G;
1511
1512         if (ASIC_IS_R300(rdev))
1513                 tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
1514         else
1515                 tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
1516
1517         WREG32(RADEON_DAC_EXT_CNTL, tmp);
1518
1519         tmp = dac_cntl2 | RADEON_DAC2_DAC2_CLK_SEL | RADEON_DAC2_CMP_EN;
1520         WREG32(RADEON_DAC_CNTL2, tmp);
1521
1522         mdelay(10);
1523
1524         if (ASIC_IS_R300(rdev)) {
1525                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
1526                         found = connector_status_connected;
1527         } else {
1528                 if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
1529                         found = connector_status_connected;
1530         }
1531
1532         /* restore regs we used */
1533         WREG32(RADEON_DAC_CNTL2, dac_cntl2);
1534         WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
1535         WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
1536         WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
1537
1538         if (ASIC_IS_R300(rdev)) {
1539                 WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
1540                 WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
1541         } else {
1542                 WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
1543         }
1544         WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
1545
1546         return found;
1547
1548 }
1549
1550 static const struct drm_encoder_helper_funcs radeon_legacy_tv_dac_helper_funcs = {
1551         .dpms = radeon_legacy_tv_dac_dpms,
1552         .mode_fixup = radeon_legacy_mode_fixup,
1553         .prepare = radeon_legacy_tv_dac_prepare,
1554         .mode_set = radeon_legacy_tv_dac_mode_set,
1555         .commit = radeon_legacy_tv_dac_commit,
1556         .detect = radeon_legacy_tv_dac_detect,
1557         .disable = radeon_legacy_encoder_disable,
1558 };
1559
1560
1561 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1562         .destroy = radeon_enc_destroy,
1563 };
1564
1565
1566 static struct radeon_encoder_int_tmds *radeon_legacy_get_tmds_info(struct radeon_encoder *encoder)
1567 {
1568         struct drm_device *dev = encoder->base.dev;
1569         struct radeon_device *rdev = dev->dev_private;
1570         struct radeon_encoder_int_tmds *tmds = NULL;
1571         bool ret;
1572
1573         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1574
1575         if (!tmds)
1576                 return NULL;
1577
1578         if (rdev->is_atom_bios)
1579                 ret = radeon_atombios_get_tmds_info(encoder, tmds);
1580         else
1581                 ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1582
1583         if (ret == false)
1584                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1585
1586         return tmds;
1587 }
1588
1589 static struct radeon_encoder_ext_tmds *radeon_legacy_get_ext_tmds_info(struct radeon_encoder *encoder)
1590 {
1591         struct drm_device *dev = encoder->base.dev;
1592         struct radeon_device *rdev = dev->dev_private;
1593         struct radeon_encoder_ext_tmds *tmds = NULL;
1594         bool ret;
1595
1596         if (rdev->is_atom_bios)
1597                 return NULL;
1598
1599         tmds = kzalloc(sizeof(struct radeon_encoder_ext_tmds), GFP_KERNEL);
1600
1601         if (!tmds)
1602                 return NULL;
1603
1604         ret = radeon_legacy_get_ext_tmds_info_from_combios(encoder, tmds);
1605
1606         if (ret == false)
1607                 radeon_legacy_get_ext_tmds_info_from_table(encoder, tmds);
1608
1609         return tmds;
1610 }
1611
1612 void
1613 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, uint32_t supported_device)
1614 {
1615         struct radeon_device *rdev = dev->dev_private;
1616         struct drm_encoder *encoder;
1617         struct radeon_encoder *radeon_encoder;
1618
1619         /* see if we already added it */
1620         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1621                 radeon_encoder = to_radeon_encoder(encoder);
1622                 if (radeon_encoder->encoder_enum == encoder_enum) {
1623                         radeon_encoder->devices |= supported_device;
1624                         return;
1625                 }
1626
1627         }
1628
1629         /* add a new one */
1630         radeon_encoder = kzalloc(sizeof(struct radeon_encoder), GFP_KERNEL);
1631         if (!radeon_encoder)
1632                 return;
1633
1634         encoder = &radeon_encoder->base;
1635         if (rdev->flags & RADEON_SINGLE_CRTC)
1636                 encoder->possible_crtcs = 0x1;
1637         else
1638                 encoder->possible_crtcs = 0x3;
1639
1640         radeon_encoder->enc_priv = NULL;
1641
1642         radeon_encoder->encoder_enum = encoder_enum;
1643         radeon_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
1644         radeon_encoder->devices = supported_device;
1645         radeon_encoder->rmx_type = RMX_OFF;
1646
1647         switch (radeon_encoder->encoder_id) {
1648         case ENCODER_OBJECT_ID_INTERNAL_LVDS:
1649                 encoder->possible_crtcs = 0x1;
1650                 drm_encoder_init(dev, encoder, &radeon_legacy_lvds_enc_funcs, DRM_MODE_ENCODER_LVDS);
1651                 drm_encoder_helper_add(encoder, &radeon_legacy_lvds_helper_funcs);
1652                 if (rdev->is_atom_bios)
1653                         radeon_encoder->enc_priv = radeon_atombios_get_lvds_info(radeon_encoder);
1654                 else
1655                         radeon_encoder->enc_priv = radeon_combios_get_lvds_info(radeon_encoder);
1656                 radeon_encoder->rmx_type = RMX_FULL;
1657                 break;
1658         case ENCODER_OBJECT_ID_INTERNAL_TMDS1:
1659                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_int_enc_funcs, DRM_MODE_ENCODER_TMDS);
1660                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_int_helper_funcs);
1661                 radeon_encoder->enc_priv = radeon_legacy_get_tmds_info(radeon_encoder);
1662                 break;
1663         case ENCODER_OBJECT_ID_INTERNAL_DAC1:
1664                 drm_encoder_init(dev, encoder, &radeon_legacy_primary_dac_enc_funcs, DRM_MODE_ENCODER_DAC);
1665                 drm_encoder_helper_add(encoder, &radeon_legacy_primary_dac_helper_funcs);
1666                 if (rdev->is_atom_bios)
1667                         radeon_encoder->enc_priv = radeon_atombios_get_primary_dac_info(radeon_encoder);
1668                 else
1669                         radeon_encoder->enc_priv = radeon_combios_get_primary_dac_info(radeon_encoder);
1670                 break;
1671         case ENCODER_OBJECT_ID_INTERNAL_DAC2:
1672                 drm_encoder_init(dev, encoder, &radeon_legacy_tv_dac_enc_funcs, DRM_MODE_ENCODER_TVDAC);
1673                 drm_encoder_helper_add(encoder, &radeon_legacy_tv_dac_helper_funcs);
1674                 if (rdev->is_atom_bios)
1675                         radeon_encoder->enc_priv = radeon_atombios_get_tv_dac_info(radeon_encoder);
1676                 else
1677                         radeon_encoder->enc_priv = radeon_combios_get_tv_dac_info(radeon_encoder);
1678                 break;
1679         case ENCODER_OBJECT_ID_INTERNAL_DVO1:
1680                 drm_encoder_init(dev, encoder, &radeon_legacy_tmds_ext_enc_funcs, DRM_MODE_ENCODER_TMDS);
1681                 drm_encoder_helper_add(encoder, &radeon_legacy_tmds_ext_helper_funcs);
1682                 if (!rdev->is_atom_bios)
1683                         radeon_encoder->enc_priv = radeon_legacy_get_ext_tmds_info(radeon_encoder);
1684                 break;
1685         }
1686 }