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)
154 /* reference frequency */
155 uint32_t reference_freq;
158 uint32_t reference_div;
161 /* pll in/out limits */
164 uint32_t pll_out_min;
165 uint32_t pll_out_max;
166 uint32_t lcd_pll_out_min;
167 uint32_t lcd_pll_out_max;
171 uint32_t min_ref_div;
172 uint32_t max_ref_div;
173 uint32_t min_post_div;
174 uint32_t max_post_div;
175 uint32_t min_feedback_div;
176 uint32_t max_feedback_div;
177 uint32_t min_frac_feedback_div;
178 uint32_t max_frac_feedback_div;
180 /* flags for the current clock */
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,
213 enum radeon_dvo_chip {
220 struct radeon_mode_info {
221 struct atom_context *atom_context;
222 struct card_info *atom_card_info;
223 enum radeon_connector_table connector_table;
224 bool mode_config_initialized;
225 struct radeon_crtc *crtcs[6];
226 /* DVI-I properties */
227 struct drm_property *coherent_mode_property;
228 /* DAC enable load detect */
229 struct drm_property *load_detect_property;
231 struct drm_property *tv_std_property;
232 /* legacy TMDS PLL detect */
233 struct drm_property *tmds_pll_property;
235 struct drm_property *underscan_property;
236 struct drm_property *underscan_hborder_property;
237 struct drm_property *underscan_vborder_property;
238 /* hardcoded DFP edid from BIOS */
239 struct edid *bios_hardcoded_edid;
241 /* pointer to fbdev info structure */
242 struct radeon_fbdev *rfbdev;
245 #define MAX_H_CODE_TIMING_LEN 32
246 #define MAX_V_CODE_TIMING_LEN 32
248 /* need to store these as reading
249 back code tables is excessive */
250 struct radeon_tv_regs {
252 uint32_t timing_cntl;
256 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
257 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
261 struct drm_crtc base;
263 u16 lut_r[256], lut_g[256], lut_b[256];
266 uint32_t crtc_offset;
267 struct drm_gem_object *cursor_bo;
268 uint64_t cursor_addr;
271 uint32_t legacy_display_base_addr;
272 uint32_t legacy_cursor_offset;
273 enum radeon_rmx_type rmx_type;
278 struct drm_display_mode native_mode;
281 struct radeon_unpin_work *unpin_work;
282 int deferred_flip_completion;
285 struct radeon_encoder_primary_dac {
286 /* legacy primary dac */
287 uint32_t ps2_pdac_adj;
290 struct radeon_encoder_lvds {
292 uint16_t panel_vcc_delay;
293 uint8_t panel_pwr_delay;
294 uint8_t panel_digon_delay;
295 uint8_t panel_blon_delay;
296 uint16_t panel_ref_divider;
297 uint8_t panel_post_divider;
298 uint16_t panel_fb_divider;
299 bool use_bios_dividers;
300 uint32_t lvds_gen_cntl;
302 struct drm_display_mode native_mode;
305 struct radeon_encoder_tv_dac {
307 uint32_t ps2_tvdac_adj;
308 uint32_t ntsc_tvdac_adj;
309 uint32_t pal_tvdac_adj;
314 int supported_tv_stds;
316 enum radeon_tv_std tv_std;
317 struct radeon_tv_regs tv;
320 struct radeon_encoder_int_tmds {
321 /* legacy int tmds */
322 struct radeon_tmds_pll tmds_pll[4];
325 struct radeon_encoder_ext_tmds {
327 struct radeon_i2c_chan *i2c_bus;
329 enum radeon_dvo_chip dvo_chip;
332 /* spread spectrum */
333 struct radeon_atom_ss {
345 struct radeon_encoder_atom_dig {
349 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
352 uint16_t panel_pwr_delay;
355 struct drm_display_mode native_mode;
358 struct radeon_encoder_atom_dac {
359 enum radeon_tv_std tv_std;
362 struct radeon_encoder {
363 struct drm_encoder base;
364 uint32_t encoder_enum;
367 uint32_t active_device;
369 uint32_t pixel_clock;
370 enum radeon_rmx_type rmx_type;
371 enum radeon_underscan_type underscan_type;
372 uint32_t underscan_hborder;
373 uint32_t underscan_vborder;
374 struct drm_display_mode native_mode;
376 int audio_polling_active;
378 int hdmi_config_offset;
379 int hdmi_audio_workaround;
380 int hdmi_buffer_status;
385 struct radeon_connector_atom_dig {
386 uint32_t igp_lane_info;
388 struct radeon_i2c_chan *dp_i2c_bus;
396 struct radeon_gpio_rec {
404 enum radeon_hpd_id hpd;
406 struct radeon_gpio_rec gpio;
409 struct radeon_router {
411 struct radeon_i2c_bus_rec i2c_info;
416 u8 ddc_mux_control_pin;
421 u8 cd_mux_control_pin;
425 struct radeon_connector {
426 struct drm_connector base;
427 uint32_t connector_id;
429 struct radeon_i2c_chan *ddc_bus;
430 /* some systems have an hdmi and vga port with a shared ddc line */
433 /* we need to mind the EDID between detect
434 and get modes due to analog/digital/tvencoder */
437 bool dac_load_detect;
438 uint16_t connector_object_id;
439 struct radeon_hpd hpd;
440 struct radeon_router router;
441 struct radeon_i2c_chan *router_bus;
444 struct radeon_framebuffer {
445 struct drm_framebuffer base;
446 struct drm_gem_object *obj;
450 extern enum radeon_tv_std
451 radeon_combios_get_tv_info(struct radeon_device *rdev);
452 extern enum radeon_tv_std
453 radeon_atombios_get_tv_info(struct radeon_device *rdev);
455 extern struct drm_connector *
456 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
458 extern void radeon_connector_hotplug(struct drm_connector *connector);
459 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
460 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
461 struct drm_display_mode *mode);
462 extern void radeon_dp_set_link_config(struct drm_connector *connector,
463 struct drm_display_mode *mode);
464 extern void dp_link_train(struct drm_encoder *encoder,
465 struct drm_connector *connector);
466 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
467 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
468 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
469 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
470 int action, uint8_t lane_num,
472 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
473 uint8_t write_byte, uint8_t *read_byte);
475 extern void radeon_i2c_init(struct radeon_device *rdev);
476 extern void radeon_i2c_fini(struct radeon_device *rdev);
477 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
478 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
479 extern void radeon_i2c_add(struct radeon_device *rdev,
480 struct radeon_i2c_bus_rec *rec,
482 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
483 struct radeon_i2c_bus_rec *i2c_bus);
484 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
485 struct radeon_i2c_bus_rec *rec,
487 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
488 struct radeon_i2c_bus_rec *rec,
490 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
491 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
495 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
499 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
500 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
501 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
502 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
504 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
506 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
507 struct radeon_atom_ss *ss,
509 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
510 struct radeon_atom_ss *ss,
513 extern void radeon_compute_pll(struct radeon_pll *pll,
515 uint32_t *dot_clock_p,
517 uint32_t *frac_fb_div_p,
519 uint32_t *post_div_p);
521 extern void radeon_setup_encoder_clones(struct drm_device *dev);
523 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
524 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
525 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
526 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
527 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
528 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
529 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
530 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
531 extern void atombios_set_edp_panel_power(struct drm_connector *connector, int action);
532 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
534 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
535 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
536 struct drm_framebuffer *old_fb);
537 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
538 struct drm_framebuffer *fb,
540 enum mode_set_atomic state);
541 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
542 struct drm_display_mode *mode,
543 struct drm_display_mode *adjusted_mode,
545 struct drm_framebuffer *old_fb);
546 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
548 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
549 struct drm_framebuffer *old_fb);
550 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
551 struct drm_framebuffer *fb,
553 enum mode_set_atomic state);
554 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
555 struct drm_framebuffer *fb,
556 int x, int y, int atomic);
557 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
558 struct drm_file *file_priv,
562 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
565 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
566 int *vpos, int *hpos);
568 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
570 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
571 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
572 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
573 extern struct radeon_encoder_atom_dig *
574 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
575 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
576 struct radeon_encoder_int_tmds *tmds);
577 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
578 struct radeon_encoder_int_tmds *tmds);
579 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
580 struct radeon_encoder_int_tmds *tmds);
581 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
582 struct radeon_encoder_ext_tmds *tmds);
583 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
584 struct radeon_encoder_ext_tmds *tmds);
585 extern struct radeon_encoder_primary_dac *
586 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
587 extern struct radeon_encoder_tv_dac *
588 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
589 extern struct radeon_encoder_lvds *
590 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
591 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
592 extern struct radeon_encoder_tv_dac *
593 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
594 extern struct radeon_encoder_primary_dac *
595 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
596 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
597 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
598 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
599 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
600 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
601 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
602 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
603 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
605 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
607 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
609 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
611 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
612 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
613 u16 blue, int regno);
614 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
615 u16 *blue, int regno);
616 void radeon_framebuffer_init(struct drm_device *dev,
617 struct radeon_framebuffer *rfb,
618 struct drm_mode_fb_cmd *mode_cmd,
619 struct drm_gem_object *obj);
621 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
622 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
623 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
624 void radeon_atombios_init_crtc(struct drm_device *dev,
625 struct radeon_crtc *radeon_crtc);
626 void radeon_legacy_init_crtc(struct drm_device *dev,
627 struct radeon_crtc *radeon_crtc);
629 void radeon_get_clock_info(struct drm_device *dev);
631 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
632 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
634 void radeon_enc_destroy(struct drm_encoder *encoder);
635 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
636 void radeon_combios_asic_init(struct drm_device *dev);
637 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
638 struct drm_display_mode *mode,
639 struct drm_display_mode *adjusted_mode);
640 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
641 struct drm_display_mode *adjusted_mode);
642 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
645 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
646 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
647 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
648 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
649 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
650 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
651 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
652 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
653 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
654 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
655 struct drm_display_mode *mode,
656 struct drm_display_mode *adjusted_mode);
659 int radeon_fbdev_init(struct radeon_device *rdev);
660 void radeon_fbdev_fini(struct radeon_device *rdev);
661 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
662 int radeon_fbdev_total_size(struct radeon_device *rdev);
663 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
665 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
667 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);