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 <drm_crtc_helper.h>
39 #include <linux/i2c.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)
152 #define RADEON_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
155 /* reference frequency */
156 uint32_t reference_freq
;
159 uint32_t reference_div
;
162 /* pll in/out limits */
165 uint32_t pll_out_min
;
166 uint32_t pll_out_max
;
167 uint32_t lcd_pll_out_min
;
168 uint32_t lcd_pll_out_max
;
172 uint32_t min_ref_div
;
173 uint32_t max_ref_div
;
174 uint32_t min_post_div
;
175 uint32_t max_post_div
;
176 uint32_t min_feedback_div
;
177 uint32_t max_feedback_div
;
178 uint32_t min_frac_feedback_div
;
179 uint32_t max_frac_feedback_div
;
181 /* flags for the current clock */
188 struct radeon_i2c_chan
{
189 struct i2c_adapter adapter
;
190 struct drm_device
*dev
;
192 struct i2c_algo_bit_data bit
;
193 struct i2c_algo_dp_aux_data dp
;
195 struct radeon_i2c_bus_rec rec
;
198 /* mostly for macs, but really any system without connector tables */
199 enum radeon_connector_table
{
203 CT_POWERBOOK_EXTERNAL
,
204 CT_POWERBOOK_INTERNAL
,
215 enum radeon_dvo_chip
{
222 struct radeon_mode_info
{
223 struct atom_context
*atom_context
;
224 struct card_info
*atom_card_info
;
225 enum radeon_connector_table connector_table
;
226 bool mode_config_initialized
;
227 struct radeon_crtc
*crtcs
[6];
228 /* DVI-I properties */
229 struct drm_property
*coherent_mode_property
;
230 /* DAC enable load detect */
231 struct drm_property
*load_detect_property
;
233 struct drm_property
*tv_std_property
;
234 /* legacy TMDS PLL detect */
235 struct drm_property
*tmds_pll_property
;
237 struct drm_property
*underscan_property
;
238 struct drm_property
*underscan_hborder_property
;
239 struct drm_property
*underscan_vborder_property
;
240 /* hardcoded DFP edid from BIOS */
241 struct edid
*bios_hardcoded_edid
;
242 int bios_hardcoded_edid_size
;
244 /* pointer to fbdev info structure */
245 struct radeon_fbdev
*rfbdev
;
248 #define MAX_H_CODE_TIMING_LEN 32
249 #define MAX_V_CODE_TIMING_LEN 32
251 /* need to store these as reading
252 back code tables is excessive */
253 struct radeon_tv_regs
{
255 uint32_t timing_cntl
;
259 uint16_t h_code_timing
[MAX_H_CODE_TIMING_LEN
];
260 uint16_t v_code_timing
[MAX_V_CODE_TIMING_LEN
];
264 struct drm_crtc base
;
266 u16 lut_r
[256], lut_g
[256], lut_b
[256];
269 uint32_t crtc_offset
;
270 struct drm_gem_object
*cursor_bo
;
271 uint64_t cursor_addr
;
274 uint32_t legacy_display_base_addr
;
275 uint32_t legacy_cursor_offset
;
276 enum radeon_rmx_type rmx_type
;
281 struct drm_display_mode native_mode
;
284 struct radeon_unpin_work
*unpin_work
;
285 int deferred_flip_completion
;
288 struct radeon_encoder_primary_dac
{
289 /* legacy primary dac */
290 uint32_t ps2_pdac_adj
;
293 struct radeon_encoder_lvds
{
295 uint16_t panel_vcc_delay
;
296 uint8_t panel_pwr_delay
;
297 uint8_t panel_digon_delay
;
298 uint8_t panel_blon_delay
;
299 uint16_t panel_ref_divider
;
300 uint8_t panel_post_divider
;
301 uint16_t panel_fb_divider
;
302 bool use_bios_dividers
;
303 uint32_t lvds_gen_cntl
;
305 struct drm_display_mode native_mode
;
306 struct backlight_device
*bl_dev
;
308 uint8_t backlight_level
;
311 struct radeon_encoder_tv_dac
{
313 uint32_t ps2_tvdac_adj
;
314 uint32_t ntsc_tvdac_adj
;
315 uint32_t pal_tvdac_adj
;
320 int supported_tv_stds
;
322 enum radeon_tv_std tv_std
;
323 struct radeon_tv_regs tv
;
326 struct radeon_encoder_int_tmds
{
327 /* legacy int tmds */
328 struct radeon_tmds_pll tmds_pll
[4];
331 struct radeon_encoder_ext_tmds
{
333 struct radeon_i2c_chan
*i2c_bus
;
335 enum radeon_dvo_chip dvo_chip
;
338 /* spread spectrum */
339 struct radeon_atom_ss
{
351 struct radeon_encoder_atom_dig
{
355 int dig_encoder
; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
358 uint16_t panel_pwr_delay
;
361 struct drm_display_mode native_mode
;
362 struct backlight_device
*bl_dev
;
364 uint8_t backlight_level
;
367 struct radeon_encoder_atom_dac
{
368 enum radeon_tv_std tv_std
;
371 struct radeon_encoder
{
372 struct drm_encoder base
;
373 uint32_t encoder_enum
;
376 uint32_t active_device
;
378 uint32_t pixel_clock
;
379 enum radeon_rmx_type rmx_type
;
380 enum radeon_underscan_type underscan_type
;
381 uint32_t underscan_hborder
;
382 uint32_t underscan_vborder
;
383 struct drm_display_mode native_mode
;
385 int audio_polling_active
;
387 int hdmi_config_offset
;
388 int hdmi_audio_workaround
;
389 int hdmi_buffer_status
;
394 struct radeon_connector_atom_dig
{
395 uint32_t igp_lane_info
;
397 struct radeon_i2c_chan
*dp_i2c_bus
;
405 struct radeon_gpio_rec
{
413 enum radeon_hpd_id hpd
;
415 struct radeon_gpio_rec gpio
;
418 struct radeon_router
{
420 struct radeon_i2c_bus_rec i2c_info
;
425 u8 ddc_mux_control_pin
;
430 u8 cd_mux_control_pin
;
434 struct radeon_connector
{
435 struct drm_connector base
;
436 uint32_t connector_id
;
438 struct radeon_i2c_chan
*ddc_bus
;
439 /* some systems have an hdmi and vga port with a shared ddc line */
442 /* we need to mind the EDID between detect
443 and get modes due to analog/digital/tvencoder */
446 bool dac_load_detect
;
447 uint16_t connector_object_id
;
448 struct radeon_hpd hpd
;
449 struct radeon_router router
;
450 struct radeon_i2c_chan
*router_bus
;
453 struct radeon_framebuffer
{
454 struct drm_framebuffer base
;
455 struct drm_gem_object
*obj
;
459 extern enum radeon_tv_std
460 radeon_combios_get_tv_info(struct radeon_device
*rdev
);
461 extern enum radeon_tv_std
462 radeon_atombios_get_tv_info(struct radeon_device
*rdev
);
464 extern struct drm_connector
*
465 radeon_get_connector_for_encoder(struct drm_encoder
*encoder
);
467 extern void radeon_connector_hotplug(struct drm_connector
*connector
);
468 extern bool radeon_dp_needs_link_train(struct radeon_connector
*radeon_connector
);
469 extern int radeon_dp_mode_valid_helper(struct radeon_connector
*radeon_connector
,
470 struct drm_display_mode
*mode
);
471 extern void radeon_dp_set_link_config(struct drm_connector
*connector
,
472 struct drm_display_mode
*mode
);
473 extern void dp_link_train(struct drm_encoder
*encoder
,
474 struct drm_connector
*connector
);
475 extern u8
radeon_dp_getsinktype(struct radeon_connector
*radeon_connector
);
476 extern bool radeon_dp_getdpcd(struct radeon_connector
*radeon_connector
);
477 extern void atombios_dig_encoder_setup(struct drm_encoder
*encoder
, int action
);
478 extern void atombios_dig_transmitter_setup(struct drm_encoder
*encoder
,
479 int action
, uint8_t lane_num
,
481 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter
*adapter
, int mode
,
482 uint8_t write_byte
, uint8_t *read_byte
);
484 extern void radeon_i2c_init(struct radeon_device
*rdev
);
485 extern void radeon_i2c_fini(struct radeon_device
*rdev
);
486 extern void radeon_combios_i2c_init(struct radeon_device
*rdev
);
487 extern void radeon_atombios_i2c_init(struct radeon_device
*rdev
);
488 extern void radeon_i2c_add(struct radeon_device
*rdev
,
489 struct radeon_i2c_bus_rec
*rec
,
491 extern struct radeon_i2c_chan
*radeon_i2c_lookup(struct radeon_device
*rdev
,
492 struct radeon_i2c_bus_rec
*i2c_bus
);
493 extern struct radeon_i2c_chan
*radeon_i2c_create_dp(struct drm_device
*dev
,
494 struct radeon_i2c_bus_rec
*rec
,
496 extern struct radeon_i2c_chan
*radeon_i2c_create(struct drm_device
*dev
,
497 struct radeon_i2c_bus_rec
*rec
,
499 extern void radeon_i2c_destroy(struct radeon_i2c_chan
*i2c
);
500 extern void radeon_i2c_get_byte(struct radeon_i2c_chan
*i2c_bus
,
504 extern void radeon_i2c_put_byte(struct radeon_i2c_chan
*i2c
,
508 extern void radeon_router_select_ddc_port(struct radeon_connector
*radeon_connector
);
509 extern void radeon_router_select_cd_port(struct radeon_connector
*radeon_connector
);
510 extern bool radeon_ddc_probe(struct radeon_connector
*radeon_connector
);
511 extern int radeon_ddc_get_modes(struct radeon_connector
*radeon_connector
);
513 extern struct drm_encoder
*radeon_best_encoder(struct drm_connector
*connector
);
515 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device
*rdev
,
516 struct radeon_atom_ss
*ss
,
518 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device
*rdev
,
519 struct radeon_atom_ss
*ss
,
522 extern void radeon_compute_pll_legacy(struct radeon_pll
*pll
,
524 uint32_t *dot_clock_p
,
526 uint32_t *frac_fb_div_p
,
528 uint32_t *post_div_p
);
530 extern void radeon_compute_pll_avivo(struct radeon_pll
*pll
,
538 extern void radeon_setup_encoder_clones(struct drm_device
*dev
);
540 struct drm_encoder
*radeon_encoder_legacy_lvds_add(struct drm_device
*dev
, int bios_index
);
541 struct drm_encoder
*radeon_encoder_legacy_primary_dac_add(struct drm_device
*dev
, int bios_index
, int with_tv
);
542 struct drm_encoder
*radeon_encoder_legacy_tv_dac_add(struct drm_device
*dev
, int bios_index
, int with_tv
);
543 struct drm_encoder
*radeon_encoder_legacy_tmds_int_add(struct drm_device
*dev
, int bios_index
);
544 struct drm_encoder
*radeon_encoder_legacy_tmds_ext_add(struct drm_device
*dev
, int bios_index
);
545 extern void atombios_dvo_setup(struct drm_encoder
*encoder
, int action
);
546 extern void atombios_digital_setup(struct drm_encoder
*encoder
, int action
);
547 extern int atombios_get_encoder_mode(struct drm_encoder
*encoder
);
548 extern void atombios_set_edp_panel_power(struct drm_connector
*connector
, int action
);
549 extern void radeon_encoder_set_active_device(struct drm_encoder
*encoder
);
551 extern void radeon_crtc_load_lut(struct drm_crtc
*crtc
);
552 extern int atombios_crtc_set_base(struct drm_crtc
*crtc
, int x
, int y
,
553 struct drm_framebuffer
*old_fb
);
554 extern int atombios_crtc_set_base_atomic(struct drm_crtc
*crtc
,
555 struct drm_framebuffer
*fb
,
557 enum mode_set_atomic state
);
558 extern int atombios_crtc_mode_set(struct drm_crtc
*crtc
,
559 struct drm_display_mode
*mode
,
560 struct drm_display_mode
*adjusted_mode
,
562 struct drm_framebuffer
*old_fb
);
563 extern void atombios_crtc_dpms(struct drm_crtc
*crtc
, int mode
);
565 extern int radeon_crtc_set_base(struct drm_crtc
*crtc
, int x
, int y
,
566 struct drm_framebuffer
*old_fb
);
567 extern int radeon_crtc_set_base_atomic(struct drm_crtc
*crtc
,
568 struct drm_framebuffer
*fb
,
570 enum mode_set_atomic state
);
571 extern int radeon_crtc_do_set_base(struct drm_crtc
*crtc
,
572 struct drm_framebuffer
*fb
,
573 int x
, int y
, int atomic
);
574 extern int radeon_crtc_cursor_set(struct drm_crtc
*crtc
,
575 struct drm_file
*file_priv
,
579 extern int radeon_crtc_cursor_move(struct drm_crtc
*crtc
,
582 extern int radeon_get_crtc_scanoutpos(struct drm_device
*dev
, int crtc
,
583 int *vpos
, int *hpos
);
585 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device
*rdev
);
587 radeon_bios_get_hardcoded_edid(struct radeon_device
*rdev
);
588 extern bool radeon_atom_get_clock_info(struct drm_device
*dev
);
589 extern bool radeon_combios_get_clock_info(struct drm_device
*dev
);
590 extern struct radeon_encoder_atom_dig
*
591 radeon_atombios_get_lvds_info(struct radeon_encoder
*encoder
);
592 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder
*encoder
,
593 struct radeon_encoder_int_tmds
*tmds
);
594 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder
*encoder
,
595 struct radeon_encoder_int_tmds
*tmds
);
596 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder
*encoder
,
597 struct radeon_encoder_int_tmds
*tmds
);
598 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder
*encoder
,
599 struct radeon_encoder_ext_tmds
*tmds
);
600 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder
*encoder
,
601 struct radeon_encoder_ext_tmds
*tmds
);
602 extern struct radeon_encoder_primary_dac
*
603 radeon_atombios_get_primary_dac_info(struct radeon_encoder
*encoder
);
604 extern struct radeon_encoder_tv_dac
*
605 radeon_atombios_get_tv_dac_info(struct radeon_encoder
*encoder
);
606 extern struct radeon_encoder_lvds
*
607 radeon_combios_get_lvds_info(struct radeon_encoder
*encoder
);
608 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder
*encoder
);
609 extern struct radeon_encoder_tv_dac
*
610 radeon_combios_get_tv_dac_info(struct radeon_encoder
*encoder
);
611 extern struct radeon_encoder_primary_dac
*
612 radeon_combios_get_primary_dac_info(struct radeon_encoder
*encoder
);
613 extern bool radeon_combios_external_tmds_setup(struct drm_encoder
*encoder
);
614 extern void radeon_external_tmds_setup(struct drm_encoder
*encoder
);
615 extern void radeon_combios_output_lock(struct drm_encoder
*encoder
, bool lock
);
616 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device
*dev
);
617 extern void radeon_atom_output_lock(struct drm_encoder
*encoder
, bool lock
);
618 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device
*dev
);
619 extern void radeon_save_bios_scratch_regs(struct radeon_device
*rdev
);
620 extern void radeon_restore_bios_scratch_regs(struct radeon_device
*rdev
);
622 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder
*encoder
, int crtc
);
624 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder
*encoder
, bool on
);
626 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder
*encoder
, int crtc
);
628 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder
*encoder
, bool on
);
629 extern void radeon_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
630 u16 blue
, int regno
);
631 extern void radeon_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
632 u16
*blue
, int regno
);
633 void radeon_framebuffer_init(struct drm_device
*dev
,
634 struct radeon_framebuffer
*rfb
,
635 struct drm_mode_fb_cmd
*mode_cmd
,
636 struct drm_gem_object
*obj
);
638 int radeonfb_remove(struct drm_device
*dev
, struct drm_framebuffer
*fb
);
639 bool radeon_get_legacy_connector_info_from_bios(struct drm_device
*dev
);
640 bool radeon_get_legacy_connector_info_from_table(struct drm_device
*dev
);
641 void radeon_atombios_init_crtc(struct drm_device
*dev
,
642 struct radeon_crtc
*radeon_crtc
);
643 void radeon_legacy_init_crtc(struct drm_device
*dev
,
644 struct radeon_crtc
*radeon_crtc
);
646 void radeon_get_clock_info(struct drm_device
*dev
);
648 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device
*dev
);
649 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device
*dev
);
651 void radeon_enc_destroy(struct drm_encoder
*encoder
);
652 void radeon_copy_fb(struct drm_device
*dev
, struct drm_gem_object
*dst_obj
);
653 void radeon_combios_asic_init(struct drm_device
*dev
);
654 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc
*crtc
,
655 struct drm_display_mode
*mode
,
656 struct drm_display_mode
*adjusted_mode
);
657 void radeon_panel_mode_fixup(struct drm_encoder
*encoder
,
658 struct drm_display_mode
*adjusted_mode
);
659 void atom_rv515_force_tv_scaler(struct radeon_device
*rdev
, struct radeon_crtc
*radeon_crtc
);
662 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder
*encoder
,
663 uint32_t *h_total_disp
, uint32_t *h_sync_strt_wid
,
664 uint32_t *v_total_disp
, uint32_t *v_sync_strt_wid
);
665 void radeon_legacy_tv_adjust_pll1(struct drm_encoder
*encoder
,
666 uint32_t *htotal_cntl
, uint32_t *ppll_ref_div
,
667 uint32_t *ppll_div_3
, uint32_t *pixclks_cntl
);
668 void radeon_legacy_tv_adjust_pll2(struct drm_encoder
*encoder
,
669 uint32_t *htotal2_cntl
, uint32_t *p2pll_ref_div
,
670 uint32_t *p2pll_div_0
, uint32_t *pixclks_cntl
);
671 void radeon_legacy_tv_mode_set(struct drm_encoder
*encoder
,
672 struct drm_display_mode
*mode
,
673 struct drm_display_mode
*adjusted_mode
);
676 int radeon_fbdev_init(struct radeon_device
*rdev
);
677 void radeon_fbdev_fini(struct radeon_device
*rdev
);
678 void radeon_fbdev_set_suspend(struct radeon_device
*rdev
, int state
);
679 int radeon_fbdev_total_size(struct radeon_device
*rdev
);
680 bool radeon_fbdev_robj_is_fb(struct radeon_device
*rdev
, struct radeon_bo
*robj
);
682 void radeon_fb_output_poll_changed(struct radeon_device
*rdev
);
684 void radeon_crtc_handle_flip(struct radeon_device
*rdev
, int crtc_id
);
686 int radeon_align_pitch(struct radeon_device
*rdev
, int width
, int bpp
, bool tiled
);