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
{
69 enum radeon_underscan_type
{
82 RADEON_HPD_NONE
= 0xff,
85 #define RADEON_MAX_I2C_BUS 16
87 /* radeon gpio-based i2c
88 * 1. "mask" reg and bits
89 * grabs the gpio pins for software use
94 * 3. "en" reg and bits
95 * sets the pin direction
101 struct radeon_i2c_bus_rec
{
103 /* id used by atom */
105 /* id used by atom */
106 enum radeon_hpd_id hpd
;
107 /* can be used with hw i2c engine */
109 /* uses multi-media i2c engine */
112 uint32_t mask_clk_reg
;
113 uint32_t mask_data_reg
;
117 uint32_t en_data_reg
;
120 uint32_t mask_clk_mask
;
121 uint32_t mask_data_mask
;
123 uint32_t a_data_mask
;
124 uint32_t en_clk_mask
;
125 uint32_t en_data_mask
;
127 uint32_t y_data_mask
;
130 struct radeon_tmds_pll
{
135 #define RADEON_MAX_BIOS_CONNECTOR 16
138 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
139 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
140 #define RADEON_PLL_USE_REF_DIV (1 << 2)
141 #define RADEON_PLL_LEGACY (1 << 3)
142 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
143 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
144 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
145 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
146 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
147 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
148 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
149 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
150 #define RADEON_PLL_USE_POST_DIV (1 << 12)
151 #define RADEON_PLL_IS_LCD (1 << 13)
154 enum radeon_pll_algo
{
160 /* reference frequency */
161 uint32_t reference_freq
;
164 uint32_t reference_div
;
167 /* pll in/out limits */
170 uint32_t pll_out_min
;
171 uint32_t pll_out_max
;
172 uint32_t lcd_pll_out_min
;
173 uint32_t lcd_pll_out_max
;
177 uint32_t min_ref_div
;
178 uint32_t max_ref_div
;
179 uint32_t min_post_div
;
180 uint32_t max_post_div
;
181 uint32_t min_feedback_div
;
182 uint32_t max_feedback_div
;
183 uint32_t min_frac_feedback_div
;
184 uint32_t max_frac_feedback_div
;
186 /* flags for the current clock */
192 enum radeon_pll_algo algo
;
195 struct radeon_i2c_chan
{
196 struct i2c_adapter adapter
;
197 struct drm_device
*dev
;
199 struct i2c_algo_bit_data bit
;
200 struct i2c_algo_dp_aux_data dp
;
202 struct radeon_i2c_bus_rec rec
;
205 /* mostly for macs, but really any system without connector tables */
206 enum radeon_connector_table
{
210 CT_POWERBOOK_EXTERNAL
,
211 CT_POWERBOOK_INTERNAL
,
220 enum radeon_dvo_chip
{
227 struct radeon_mode_info
{
228 struct atom_context
*atom_context
;
229 struct card_info
*atom_card_info
;
230 enum radeon_connector_table connector_table
;
231 bool mode_config_initialized
;
232 struct radeon_crtc
*crtcs
[6];
233 /* DVI-I properties */
234 struct drm_property
*coherent_mode_property
;
235 /* DAC enable load detect */
236 struct drm_property
*load_detect_property
;
238 struct drm_property
*tv_std_property
;
239 /* legacy TMDS PLL detect */
240 struct drm_property
*tmds_pll_property
;
242 struct drm_property
*underscan_property
;
243 /* hardcoded DFP edid from BIOS */
244 struct edid
*bios_hardcoded_edid
;
246 /* pointer to fbdev info structure */
247 struct radeon_fbdev
*rfbdev
;
250 #define MAX_H_CODE_TIMING_LEN 32
251 #define MAX_V_CODE_TIMING_LEN 32
253 /* need to store these as reading
254 back code tables is excessive */
255 struct radeon_tv_regs
{
257 uint32_t timing_cntl
;
261 uint16_t h_code_timing
[MAX_H_CODE_TIMING_LEN
];
262 uint16_t v_code_timing
[MAX_V_CODE_TIMING_LEN
];
266 struct drm_crtc base
;
268 u16 lut_r
[256], lut_g
[256], lut_b
[256];
271 uint32_t crtc_offset
;
272 struct drm_gem_object
*cursor_bo
;
273 uint64_t cursor_addr
;
276 uint32_t legacy_display_base_addr
;
277 uint32_t legacy_cursor_offset
;
278 enum radeon_rmx_type rmx_type
;
283 struct drm_display_mode native_mode
;
287 struct radeon_encoder_primary_dac
{
288 /* legacy primary dac */
289 uint32_t ps2_pdac_adj
;
292 struct radeon_encoder_lvds
{
294 uint16_t panel_vcc_delay
;
295 uint8_t panel_pwr_delay
;
296 uint8_t panel_digon_delay
;
297 uint8_t panel_blon_delay
;
298 uint16_t panel_ref_divider
;
299 uint8_t panel_post_divider
;
300 uint16_t panel_fb_divider
;
301 bool use_bios_dividers
;
302 uint32_t lvds_gen_cntl
;
304 struct drm_display_mode native_mode
;
307 struct radeon_encoder_tv_dac
{
309 uint32_t ps2_tvdac_adj
;
310 uint32_t ntsc_tvdac_adj
;
311 uint32_t pal_tvdac_adj
;
316 int supported_tv_stds
;
318 enum radeon_tv_std tv_std
;
319 struct radeon_tv_regs tv
;
322 struct radeon_encoder_int_tmds
{
323 /* legacy int tmds */
324 struct radeon_tmds_pll tmds_pll
[4];
327 struct radeon_encoder_ext_tmds
{
329 struct radeon_i2c_chan
*i2c_bus
;
331 enum radeon_dvo_chip dvo_chip
;
334 /* spread spectrum */
335 struct radeon_atom_ss
{
344 struct radeon_encoder_atom_dig
{
347 int dig_encoder
; /* -1 disabled, 0 DIGA, 1 DIGB */
350 uint16_t panel_pwr_delay
;
351 enum radeon_pll_algo pll_algo
;
352 struct radeon_atom_ss
*ss
;
354 struct drm_display_mode native_mode
;
357 struct radeon_encoder_atom_dac
{
358 enum radeon_tv_std tv_std
;
361 struct radeon_encoder
{
362 struct drm_encoder base
;
365 uint32_t active_device
;
367 uint32_t pixel_clock
;
368 enum radeon_rmx_type rmx_type
;
369 enum radeon_underscan_type underscan_type
;
370 struct drm_display_mode native_mode
;
372 int audio_polling_active
;
374 int hdmi_config_offset
;
375 int hdmi_audio_workaround
;
376 int hdmi_buffer_status
;
379 struct radeon_connector_atom_dig
{
380 uint32_t igp_lane_info
;
383 struct radeon_i2c_chan
*dp_i2c_bus
;
390 struct radeon_gpio_rec
{
398 enum radeon_hpd_id hpd
;
400 struct radeon_gpio_rec gpio
;
403 struct radeon_connector
{
404 struct drm_connector base
;
405 uint32_t connector_id
;
407 struct radeon_i2c_chan
*ddc_bus
;
408 /* some systems have an hdmi and vga port with a shared ddc line */
411 /* we need to mind the EDID between detect
412 and get modes due to analog/digital/tvencoder */
415 bool dac_load_detect
;
416 uint16_t connector_object_id
;
417 struct radeon_hpd hpd
;
420 struct radeon_framebuffer
{
421 struct drm_framebuffer base
;
422 struct drm_gem_object
*obj
;
425 extern enum radeon_tv_std
426 radeon_combios_get_tv_info(struct radeon_device
*rdev
);
427 extern enum radeon_tv_std
428 radeon_atombios_get_tv_info(struct radeon_device
*rdev
);
430 extern struct drm_connector
*
431 radeon_get_connector_for_encoder(struct drm_encoder
*encoder
);
433 extern void radeon_connector_hotplug(struct drm_connector
*connector
);
434 extern bool radeon_dp_needs_link_train(struct radeon_connector
*radeon_connector
);
435 extern int radeon_dp_mode_valid_helper(struct radeon_connector
*radeon_connector
,
436 struct drm_display_mode
*mode
);
437 extern void radeon_dp_set_link_config(struct drm_connector
*connector
,
438 struct drm_display_mode
*mode
);
439 extern void dp_link_train(struct drm_encoder
*encoder
,
440 struct drm_connector
*connector
);
441 extern u8
radeon_dp_getsinktype(struct radeon_connector
*radeon_connector
);
442 extern bool radeon_dp_getdpcd(struct radeon_connector
*radeon_connector
);
443 extern void atombios_dig_encoder_setup(struct drm_encoder
*encoder
, int action
);
444 extern void atombios_dig_transmitter_setup(struct drm_encoder
*encoder
,
445 int action
, uint8_t lane_num
,
447 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter
*adapter
, int mode
,
448 uint8_t write_byte
, uint8_t *read_byte
);
450 extern void radeon_i2c_init(struct radeon_device
*rdev
);
451 extern void radeon_i2c_fini(struct radeon_device
*rdev
);
452 extern void radeon_combios_i2c_init(struct radeon_device
*rdev
);
453 extern void radeon_atombios_i2c_init(struct radeon_device
*rdev
);
454 extern void radeon_i2c_add(struct radeon_device
*rdev
,
455 struct radeon_i2c_bus_rec
*rec
,
457 extern struct radeon_i2c_chan
*radeon_i2c_lookup(struct radeon_device
*rdev
,
458 struct radeon_i2c_bus_rec
*i2c_bus
);
459 extern struct radeon_i2c_chan
*radeon_i2c_create_dp(struct drm_device
*dev
,
460 struct radeon_i2c_bus_rec
*rec
,
462 extern struct radeon_i2c_chan
*radeon_i2c_create(struct drm_device
*dev
,
463 struct radeon_i2c_bus_rec
*rec
,
465 extern void radeon_i2c_destroy(struct radeon_i2c_chan
*i2c
);
466 extern void radeon_i2c_get_byte(struct radeon_i2c_chan
*i2c_bus
,
470 extern void radeon_i2c_put_byte(struct radeon_i2c_chan
*i2c
,
474 extern bool radeon_ddc_probe(struct radeon_connector
*radeon_connector
);
475 extern int radeon_ddc_get_modes(struct radeon_connector
*radeon_connector
);
477 extern struct drm_encoder
*radeon_best_encoder(struct drm_connector
*connector
);
479 extern void radeon_compute_pll(struct radeon_pll
*pll
,
481 uint32_t *dot_clock_p
,
483 uint32_t *frac_fb_div_p
,
485 uint32_t *post_div_p
);
487 extern void radeon_setup_encoder_clones(struct drm_device
*dev
);
489 struct drm_encoder
*radeon_encoder_legacy_lvds_add(struct drm_device
*dev
, int bios_index
);
490 struct drm_encoder
*radeon_encoder_legacy_primary_dac_add(struct drm_device
*dev
, int bios_index
, int with_tv
);
491 struct drm_encoder
*radeon_encoder_legacy_tv_dac_add(struct drm_device
*dev
, int bios_index
, int with_tv
);
492 struct drm_encoder
*radeon_encoder_legacy_tmds_int_add(struct drm_device
*dev
, int bios_index
);
493 struct drm_encoder
*radeon_encoder_legacy_tmds_ext_add(struct drm_device
*dev
, int bios_index
);
494 extern void atombios_external_tmds_setup(struct drm_encoder
*encoder
, int action
);
495 extern void atombios_digital_setup(struct drm_encoder
*encoder
, int action
);
496 extern int atombios_get_encoder_mode(struct drm_encoder
*encoder
);
497 extern void radeon_encoder_set_active_device(struct drm_encoder
*encoder
);
499 extern void radeon_crtc_load_lut(struct drm_crtc
*crtc
);
500 extern int atombios_crtc_set_base(struct drm_crtc
*crtc
, int x
, int y
,
501 struct drm_framebuffer
*old_fb
);
502 extern int atombios_crtc_mode_set(struct drm_crtc
*crtc
,
503 struct drm_display_mode
*mode
,
504 struct drm_display_mode
*adjusted_mode
,
506 struct drm_framebuffer
*old_fb
);
507 extern void atombios_crtc_dpms(struct drm_crtc
*crtc
, int mode
);
509 extern int radeon_crtc_set_base(struct drm_crtc
*crtc
, int x
, int y
,
510 struct drm_framebuffer
*old_fb
);
512 extern int radeon_crtc_cursor_set(struct drm_crtc
*crtc
,
513 struct drm_file
*file_priv
,
517 extern int radeon_crtc_cursor_move(struct drm_crtc
*crtc
,
520 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device
*rdev
);
522 radeon_combios_get_hardcoded_edid(struct radeon_device
*rdev
);
523 extern bool radeon_atom_get_clock_info(struct drm_device
*dev
);
524 extern bool radeon_combios_get_clock_info(struct drm_device
*dev
);
525 extern struct radeon_encoder_atom_dig
*
526 radeon_atombios_get_lvds_info(struct radeon_encoder
*encoder
);
527 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder
*encoder
,
528 struct radeon_encoder_int_tmds
*tmds
);
529 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder
*encoder
,
530 struct radeon_encoder_int_tmds
*tmds
);
531 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder
*encoder
,
532 struct radeon_encoder_int_tmds
*tmds
);
533 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder
*encoder
,
534 struct radeon_encoder_ext_tmds
*tmds
);
535 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder
*encoder
,
536 struct radeon_encoder_ext_tmds
*tmds
);
537 extern struct radeon_encoder_primary_dac
*
538 radeon_atombios_get_primary_dac_info(struct radeon_encoder
*encoder
);
539 extern struct radeon_encoder_tv_dac
*
540 radeon_atombios_get_tv_dac_info(struct radeon_encoder
*encoder
);
541 extern struct radeon_encoder_lvds
*
542 radeon_combios_get_lvds_info(struct radeon_encoder
*encoder
);
543 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder
*encoder
);
544 extern struct radeon_encoder_tv_dac
*
545 radeon_combios_get_tv_dac_info(struct radeon_encoder
*encoder
);
546 extern struct radeon_encoder_primary_dac
*
547 radeon_combios_get_primary_dac_info(struct radeon_encoder
*encoder
);
548 extern bool radeon_combios_external_tmds_setup(struct drm_encoder
*encoder
);
549 extern void radeon_external_tmds_setup(struct drm_encoder
*encoder
);
550 extern void radeon_combios_output_lock(struct drm_encoder
*encoder
, bool lock
);
551 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device
*dev
);
552 extern void radeon_atom_output_lock(struct drm_encoder
*encoder
, bool lock
);
553 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device
*dev
);
554 extern void radeon_save_bios_scratch_regs(struct radeon_device
*rdev
);
555 extern void radeon_restore_bios_scratch_regs(struct radeon_device
*rdev
);
557 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder
*encoder
, int crtc
);
559 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder
*encoder
, bool on
);
561 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder
*encoder
, int crtc
);
563 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder
*encoder
, bool on
);
564 extern void radeon_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
565 u16 blue
, int regno
);
566 extern void radeon_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
567 u16
*blue
, int regno
);
568 void radeon_framebuffer_init(struct drm_device
*dev
,
569 struct radeon_framebuffer
*rfb
,
570 struct drm_mode_fb_cmd
*mode_cmd
,
571 struct drm_gem_object
*obj
);
573 int radeonfb_remove(struct drm_device
*dev
, struct drm_framebuffer
*fb
);
574 bool radeon_get_legacy_connector_info_from_bios(struct drm_device
*dev
);
575 bool radeon_get_legacy_connector_info_from_table(struct drm_device
*dev
);
576 void radeon_atombios_init_crtc(struct drm_device
*dev
,
577 struct radeon_crtc
*radeon_crtc
);
578 void radeon_legacy_init_crtc(struct drm_device
*dev
,
579 struct radeon_crtc
*radeon_crtc
);
581 void radeon_get_clock_info(struct drm_device
*dev
);
583 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device
*dev
);
584 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device
*dev
);
586 void radeon_enc_destroy(struct drm_encoder
*encoder
);
587 void radeon_copy_fb(struct drm_device
*dev
, struct drm_gem_object
*dst_obj
);
588 void radeon_combios_asic_init(struct drm_device
*dev
);
589 extern int radeon_static_clocks_init(struct drm_device
*dev
);
590 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc
*crtc
,
591 struct drm_display_mode
*mode
,
592 struct drm_display_mode
*adjusted_mode
);
593 void radeon_panel_mode_fixup(struct drm_encoder
*encoder
,
594 struct drm_display_mode
*adjusted_mode
);
595 void atom_rv515_force_tv_scaler(struct radeon_device
*rdev
, struct radeon_crtc
*radeon_crtc
);
598 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder
*encoder
,
599 uint32_t *h_total_disp
, uint32_t *h_sync_strt_wid
,
600 uint32_t *v_total_disp
, uint32_t *v_sync_strt_wid
);
601 void radeon_legacy_tv_adjust_pll1(struct drm_encoder
*encoder
,
602 uint32_t *htotal_cntl
, uint32_t *ppll_ref_div
,
603 uint32_t *ppll_div_3
, uint32_t *pixclks_cntl
);
604 void radeon_legacy_tv_adjust_pll2(struct drm_encoder
*encoder
,
605 uint32_t *htotal2_cntl
, uint32_t *p2pll_ref_div
,
606 uint32_t *p2pll_div_0
, uint32_t *pixclks_cntl
);
607 void radeon_legacy_tv_mode_set(struct drm_encoder
*encoder
,
608 struct drm_display_mode
*mode
,
609 struct drm_display_mode
*adjusted_mode
);
612 int radeon_fbdev_init(struct radeon_device
*rdev
);
613 void radeon_fbdev_fini(struct radeon_device
*rdev
);
614 void radeon_fbdev_set_suspend(struct radeon_device
*rdev
, int state
);
615 int radeon_fbdev_total_size(struct radeon_device
*rdev
);
616 bool radeon_fbdev_robj_is_fb(struct radeon_device
*rdev
, struct radeon_bo
*robj
);
618 void radeon_fb_output_poll_changed(struct radeon_device
*rdev
);