drm/radeon: Remove unnecessary include statements for drm_crtc_helper.h
[platform/kernel/linux-rpi.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
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
46 static 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
56 static 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
145 static 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
164 static 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
175 static 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
186 static 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
256 static 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
273 static 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
282 u8
283 radeon_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
295 void
296 radeon_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
323 static 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
342 static 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
353 static 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
367 static 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
372 void 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
461 error:
462         kfree(pdata);
463         return;
464 }
465
466 static 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
496 static 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
508 static const struct drm_encoder_funcs radeon_legacy_lvds_enc_funcs = {
509         .destroy = radeon_lvds_enc_destroy,
510 };
511
512 static 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
554 static 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
565 static 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
577 static 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
634 static 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
709 static 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
720 static const struct drm_encoder_funcs radeon_legacy_primary_dac_enc_funcs = {
721         .destroy = radeon_enc_destroy,
722 };
723
724 static 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
751 static 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
762 static 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
774 static 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
874 static 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
884 static const struct drm_encoder_funcs radeon_legacy_tmds_int_enc_funcs = {
885         .destroy = radeon_enc_destroy,
886 };
887
888 static 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
917 static 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
928 static 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
939 static 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
1008 static 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
1017 static 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
1027 static const struct drm_encoder_funcs radeon_legacy_tmds_ext_enc_funcs = {
1028         .destroy = radeon_ext_tmds_enc_destroy,
1029 };
1030
1031 static 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
1122 static 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
1133 static 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
1145 static 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
1299 static 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
1370 static 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
1434 static 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
1524 static 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
1675 static 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
1686 static const struct drm_encoder_funcs radeon_legacy_tv_dac_enc_funcs = {
1687         .destroy = radeon_enc_destroy,
1688 };
1689
1690
1691 static 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 = NULL;
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
1714 static 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 = NULL;
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
1737 void
1738 radeon_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 }