2 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
3 * VA Linux Systems Inc., Fremont, California.
4 * Copyright 2008 Red Hat Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
25 * Kevin E. Martin, Rickard E. Faith, Alan Hourihane
27 * Kernel port Author: Dave Airlie
36 #include <drm_dp_helper.h>
37 #include <drm_fixed.h>
38 #include <linux/i2c.h>
39 #include <linux/i2c-id.h>
40 #include <linux/i2c-algo-bit.h>
45 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
46 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
47 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
48 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
50 enum radeon_rmx_type
{
76 RADEON_HPD_NONE
= 0xff,
79 /* radeon gpio-based i2c
80 * 1. "mask" reg and bits
81 * grabs the gpio pins for software use
86 * 3. "en" reg and bits
87 * sets the pin direction
93 struct radeon_i2c_bus_rec
{
98 enum radeon_hpd_id hpd
;
99 /* can be used with hw i2c engine */
101 /* uses multi-media i2c engine */
104 uint32_t mask_clk_reg
;
105 uint32_t mask_data_reg
;
109 uint32_t en_data_reg
;
112 uint32_t mask_clk_mask
;
113 uint32_t mask_data_mask
;
115 uint32_t a_data_mask
;
116 uint32_t en_clk_mask
;
117 uint32_t en_data_mask
;
119 uint32_t y_data_mask
;
122 struct radeon_tmds_pll
{
127 #define RADEON_MAX_BIOS_CONNECTOR 16
130 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
131 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
132 #define RADEON_PLL_USE_REF_DIV (1 << 2)
133 #define RADEON_PLL_LEGACY (1 << 3)
134 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
135 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
136 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
137 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
138 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
139 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
140 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
141 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
142 #define RADEON_PLL_USE_POST_DIV (1 << 12)
143 #define RADEON_PLL_IS_LCD (1 << 13)
146 enum radeon_pll_algo
{
152 /* reference frequency */
153 uint32_t reference_freq
;
156 uint32_t reference_div
;
159 /* pll in/out limits */
162 uint32_t pll_out_min
;
163 uint32_t pll_out_max
;
164 uint32_t lcd_pll_out_min
;
165 uint32_t lcd_pll_out_max
;
169 uint32_t min_ref_div
;
170 uint32_t max_ref_div
;
171 uint32_t min_post_div
;
172 uint32_t max_post_div
;
173 uint32_t min_feedback_div
;
174 uint32_t max_feedback_div
;
175 uint32_t min_frac_feedback_div
;
176 uint32_t max_frac_feedback_div
;
178 /* flags for the current clock */
184 enum radeon_pll_algo algo
;
187 struct radeon_i2c_chan
{
188 struct i2c_adapter adapter
;
189 struct drm_device
*dev
;
191 struct i2c_algo_bit_data bit
;
192 struct i2c_algo_dp_aux_data dp
;
194 struct radeon_i2c_bus_rec rec
;
197 /* mostly for macs, but really any system without connector tables */
198 enum radeon_connector_table
{
202 CT_POWERBOOK_EXTERNAL
,
203 CT_POWERBOOK_INTERNAL
,
211 enum radeon_dvo_chip
{
218 struct radeon_mode_info
{
219 struct atom_context
*atom_context
;
220 struct card_info
*atom_card_info
;
221 enum radeon_connector_table connector_table
;
222 bool mode_config_initialized
;
223 struct radeon_crtc
*crtcs
[6];
224 /* DVI-I properties */
225 struct drm_property
*coherent_mode_property
;
226 /* DAC enable load detect */
227 struct drm_property
*load_detect_property
;
228 /* TV standard load detect */
229 struct drm_property
*tv_std_property
;
230 /* legacy TMDS PLL detect */
231 struct drm_property
*tmds_pll_property
;
232 /* hardcoded DFP edid from BIOS */
233 struct edid
*bios_hardcoded_edid
;
235 /* pointer to fbdev info structure */
236 struct radeon_fbdev
*rfbdev
;
239 #define MAX_H_CODE_TIMING_LEN 32
240 #define MAX_V_CODE_TIMING_LEN 32
242 /* need to store these as reading
243 back code tables is excessive */
244 struct radeon_tv_regs
{
246 uint32_t timing_cntl
;
250 uint16_t h_code_timing
[MAX_H_CODE_TIMING_LEN
];
251 uint16_t v_code_timing
[MAX_V_CODE_TIMING_LEN
];
255 struct drm_crtc base
;
257 u16 lut_r
[256], lut_g
[256], lut_b
[256];
260 uint32_t crtc_offset
;
261 struct drm_gem_object
*cursor_bo
;
262 uint64_t cursor_addr
;
265 uint32_t legacy_display_base_addr
;
266 uint32_t legacy_cursor_offset
;
267 enum radeon_rmx_type rmx_type
;
270 struct drm_display_mode native_mode
;
274 struct radeon_encoder_primary_dac
{
275 /* legacy primary dac */
276 uint32_t ps2_pdac_adj
;
279 struct radeon_encoder_lvds
{
281 uint16_t panel_vcc_delay
;
282 uint8_t panel_pwr_delay
;
283 uint8_t panel_digon_delay
;
284 uint8_t panel_blon_delay
;
285 uint16_t panel_ref_divider
;
286 uint8_t panel_post_divider
;
287 uint16_t panel_fb_divider
;
288 bool use_bios_dividers
;
289 uint32_t lvds_gen_cntl
;
291 struct drm_display_mode native_mode
;
294 struct radeon_encoder_tv_dac
{
296 uint32_t ps2_tvdac_adj
;
297 uint32_t ntsc_tvdac_adj
;
298 uint32_t pal_tvdac_adj
;
303 int supported_tv_stds
;
305 enum radeon_tv_std tv_std
;
306 struct radeon_tv_regs tv
;
309 struct radeon_encoder_int_tmds
{
310 /* legacy int tmds */
311 struct radeon_tmds_pll tmds_pll
[4];
314 struct radeon_encoder_ext_tmds
{
316 struct radeon_i2c_chan
*i2c_bus
;
318 enum radeon_dvo_chip dvo_chip
;
321 /* spread spectrum */
322 struct radeon_atom_ss
{
331 struct radeon_encoder_atom_dig
{
334 int dig_encoder
; /* -1 disabled, 0 DIGA, 1 DIGB */
337 uint16_t panel_pwr_delay
;
338 enum radeon_pll_algo pll_algo
;
339 struct radeon_atom_ss
*ss
;
341 struct drm_display_mode native_mode
;
344 struct radeon_encoder_atom_dac
{
345 enum radeon_tv_std tv_std
;
348 struct radeon_encoder
{
349 struct drm_encoder base
;
352 uint32_t active_device
;
354 uint32_t pixel_clock
;
355 enum radeon_rmx_type rmx_type
;
356 struct drm_display_mode native_mode
;
358 int audio_polling_active
;
360 int hdmi_config_offset
;
361 int hdmi_audio_workaround
;
362 int hdmi_buffer_status
;
365 struct radeon_connector_atom_dig
{
366 uint32_t igp_lane_info
;
369 struct radeon_i2c_chan
*dp_i2c_bus
;
376 struct radeon_gpio_rec
{
384 enum radeon_hpd_id hpd
;
386 struct radeon_gpio_rec gpio
;
389 struct radeon_connector
{
390 struct drm_connector base
;
391 uint32_t connector_id
;
393 struct radeon_i2c_chan
*ddc_bus
;
394 /* some systems have a an hdmi and vga port with a shared ddc line */
397 /* we need to mind the EDID between detect
398 and get modes due to analog/digital/tvencoder */
401 bool dac_load_detect
;
402 uint16_t connector_object_id
;
403 struct radeon_hpd hpd
;
406 struct radeon_framebuffer
{
407 struct drm_framebuffer base
;
408 struct drm_gem_object
*obj
;
411 extern enum radeon_tv_std
412 radeon_combios_get_tv_info(struct radeon_device
*rdev
);
413 extern enum radeon_tv_std
414 radeon_atombios_get_tv_info(struct radeon_device
*rdev
);
416 extern void radeon_connector_hotplug(struct drm_connector
*connector
);
417 extern bool radeon_dp_needs_link_train(struct radeon_connector
*radeon_connector
);
418 extern int radeon_dp_mode_valid_helper(struct radeon_connector
*radeon_connector
,
419 struct drm_display_mode
*mode
);
420 extern void radeon_dp_set_link_config(struct drm_connector
*connector
,
421 struct drm_display_mode
*mode
);
422 extern void dp_link_train(struct drm_encoder
*encoder
,
423 struct drm_connector
*connector
);
424 extern u8
radeon_dp_getsinktype(struct radeon_connector
*radeon_connector
);
425 extern bool radeon_dp_getdpcd(struct radeon_connector
*radeon_connector
);
426 extern void atombios_dig_encoder_setup(struct drm_encoder
*encoder
, int action
);
427 extern void atombios_dig_transmitter_setup(struct drm_encoder
*encoder
,
428 int action
, uint8_t lane_num
,
430 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter
*adapter
, int mode
,
431 uint8_t write_byte
, uint8_t *read_byte
);
433 extern struct radeon_i2c_chan
*radeon_i2c_create_dp(struct drm_device
*dev
,
434 struct radeon_i2c_bus_rec
*rec
,
436 extern struct radeon_i2c_chan
*radeon_i2c_create(struct drm_device
*dev
,
437 struct radeon_i2c_bus_rec
*rec
,
439 extern void radeon_i2c_destroy(struct radeon_i2c_chan
*i2c
);
440 extern void radeon_i2c_get_byte(struct radeon_i2c_chan
*i2c_bus
,
444 extern void radeon_i2c_put_byte(struct radeon_i2c_chan
*i2c
,
448 extern bool radeon_ddc_probe(struct radeon_connector
*radeon_connector
);
449 extern int radeon_ddc_get_modes(struct radeon_connector
*radeon_connector
);
451 extern struct drm_encoder
*radeon_best_encoder(struct drm_connector
*connector
);
453 extern void radeon_compute_pll(struct radeon_pll
*pll
,
455 uint32_t *dot_clock_p
,
457 uint32_t *frac_fb_div_p
,
459 uint32_t *post_div_p
);
461 extern void radeon_setup_encoder_clones(struct drm_device
*dev
);
463 struct drm_encoder
*radeon_encoder_legacy_lvds_add(struct drm_device
*dev
, int bios_index
);
464 struct drm_encoder
*radeon_encoder_legacy_primary_dac_add(struct drm_device
*dev
, int bios_index
, int with_tv
);
465 struct drm_encoder
*radeon_encoder_legacy_tv_dac_add(struct drm_device
*dev
, int bios_index
, int with_tv
);
466 struct drm_encoder
*radeon_encoder_legacy_tmds_int_add(struct drm_device
*dev
, int bios_index
);
467 struct drm_encoder
*radeon_encoder_legacy_tmds_ext_add(struct drm_device
*dev
, int bios_index
);
468 extern void atombios_external_tmds_setup(struct drm_encoder
*encoder
, int action
);
469 extern void atombios_digital_setup(struct drm_encoder
*encoder
, int action
);
470 extern int atombios_get_encoder_mode(struct drm_encoder
*encoder
);
471 extern void radeon_encoder_set_active_device(struct drm_encoder
*encoder
);
473 extern void radeon_crtc_load_lut(struct drm_crtc
*crtc
);
474 extern int atombios_crtc_set_base(struct drm_crtc
*crtc
, int x
, int y
,
475 struct drm_framebuffer
*old_fb
);
476 extern int atombios_crtc_mode_set(struct drm_crtc
*crtc
,
477 struct drm_display_mode
*mode
,
478 struct drm_display_mode
*adjusted_mode
,
480 struct drm_framebuffer
*old_fb
);
481 extern void atombios_crtc_dpms(struct drm_crtc
*crtc
, int mode
);
483 extern int radeon_crtc_set_base(struct drm_crtc
*crtc
, int x
, int y
,
484 struct drm_framebuffer
*old_fb
);
486 extern int radeon_crtc_cursor_set(struct drm_crtc
*crtc
,
487 struct drm_file
*file_priv
,
491 extern int radeon_crtc_cursor_move(struct drm_crtc
*crtc
,
494 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device
*rdev
);
496 radeon_combios_get_hardcoded_edid(struct radeon_device
*rdev
);
497 extern bool radeon_atom_get_clock_info(struct drm_device
*dev
);
498 extern bool radeon_combios_get_clock_info(struct drm_device
*dev
);
499 extern struct radeon_encoder_atom_dig
*
500 radeon_atombios_get_lvds_info(struct radeon_encoder
*encoder
);
501 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder
*encoder
,
502 struct radeon_encoder_int_tmds
*tmds
);
503 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder
*encoder
,
504 struct radeon_encoder_int_tmds
*tmds
);
505 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder
*encoder
,
506 struct radeon_encoder_int_tmds
*tmds
);
507 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder
*encoder
,
508 struct radeon_encoder_ext_tmds
*tmds
);
509 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder
*encoder
,
510 struct radeon_encoder_ext_tmds
*tmds
);
511 extern struct radeon_encoder_primary_dac
*
512 radeon_atombios_get_primary_dac_info(struct radeon_encoder
*encoder
);
513 extern struct radeon_encoder_tv_dac
*
514 radeon_atombios_get_tv_dac_info(struct radeon_encoder
*encoder
);
515 extern struct radeon_encoder_lvds
*
516 radeon_combios_get_lvds_info(struct radeon_encoder
*encoder
);
517 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder
*encoder
);
518 extern struct radeon_encoder_tv_dac
*
519 radeon_combios_get_tv_dac_info(struct radeon_encoder
*encoder
);
520 extern struct radeon_encoder_primary_dac
*
521 radeon_combios_get_primary_dac_info(struct radeon_encoder
*encoder
);
522 extern bool radeon_combios_external_tmds_setup(struct drm_encoder
*encoder
);
523 extern void radeon_external_tmds_setup(struct drm_encoder
*encoder
);
524 extern void radeon_combios_output_lock(struct drm_encoder
*encoder
, bool lock
);
525 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device
*dev
);
526 extern void radeon_atom_output_lock(struct drm_encoder
*encoder
, bool lock
);
527 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device
*dev
);
528 extern void radeon_save_bios_scratch_regs(struct radeon_device
*rdev
);
529 extern void radeon_restore_bios_scratch_regs(struct radeon_device
*rdev
);
531 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder
*encoder
, int crtc
);
533 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder
*encoder
, bool on
);
535 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder
*encoder
, int crtc
);
537 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder
*encoder
, bool on
);
538 extern void radeon_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
539 u16 blue
, int regno
);
540 extern void radeon_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
541 u16
*blue
, int regno
);
542 void radeon_framebuffer_init(struct drm_device
*dev
,
543 struct radeon_framebuffer
*rfb
,
544 struct drm_mode_fb_cmd
*mode_cmd
,
545 struct drm_gem_object
*obj
);
547 int radeonfb_remove(struct drm_device
*dev
, struct drm_framebuffer
*fb
);
548 bool radeon_get_legacy_connector_info_from_bios(struct drm_device
*dev
);
549 bool radeon_get_legacy_connector_info_from_table(struct drm_device
*dev
);
550 void radeon_atombios_init_crtc(struct drm_device
*dev
,
551 struct radeon_crtc
*radeon_crtc
);
552 void radeon_legacy_init_crtc(struct drm_device
*dev
,
553 struct radeon_crtc
*radeon_crtc
);
555 void radeon_get_clock_info(struct drm_device
*dev
);
557 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device
*dev
);
558 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device
*dev
);
560 void radeon_enc_destroy(struct drm_encoder
*encoder
);
561 void radeon_copy_fb(struct drm_device
*dev
, struct drm_gem_object
*dst_obj
);
562 void radeon_combios_asic_init(struct drm_device
*dev
);
563 extern int radeon_static_clocks_init(struct drm_device
*dev
);
564 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc
*crtc
,
565 struct drm_display_mode
*mode
,
566 struct drm_display_mode
*adjusted_mode
);
567 void radeon_panel_mode_fixup(struct drm_encoder
*encoder
,
568 struct drm_display_mode
*adjusted_mode
);
569 void atom_rv515_force_tv_scaler(struct radeon_device
*rdev
, struct radeon_crtc
*radeon_crtc
);
572 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder
*encoder
,
573 uint32_t *h_total_disp
, uint32_t *h_sync_strt_wid
,
574 uint32_t *v_total_disp
, uint32_t *v_sync_strt_wid
);
575 void radeon_legacy_tv_adjust_pll1(struct drm_encoder
*encoder
,
576 uint32_t *htotal_cntl
, uint32_t *ppll_ref_div
,
577 uint32_t *ppll_div_3
, uint32_t *pixclks_cntl
);
578 void radeon_legacy_tv_adjust_pll2(struct drm_encoder
*encoder
,
579 uint32_t *htotal2_cntl
, uint32_t *p2pll_ref_div
,
580 uint32_t *p2pll_div_0
, uint32_t *pixclks_cntl
);
581 void radeon_legacy_tv_mode_set(struct drm_encoder
*encoder
,
582 struct drm_display_mode
*mode
,
583 struct drm_display_mode
*adjusted_mode
);
586 int radeon_fbdev_init(struct radeon_device
*rdev
);
587 void radeon_fbdev_fini(struct radeon_device
*rdev
);
588 void radeon_fbdev_set_suspend(struct radeon_device
*rdev
, int state
);
589 int radeon_fbdev_total_size(struct radeon_device
*rdev
);
590 bool radeon_fbdev_robj_is_fb(struct radeon_device
*rdev
, struct radeon_bo
*robj
);
592 void radeon_fb_output_poll_changed(struct radeon_device
*rdev
);