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;
243 /* pointer to fbdev info structure */
244 struct radeon_fbdev *rfbdev;
247 #define MAX_H_CODE_TIMING_LEN 32
248 #define MAX_V_CODE_TIMING_LEN 32
250 /* need to store these as reading
251 back code tables is excessive */
252 struct radeon_tv_regs {
254 uint32_t timing_cntl;
258 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
259 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
263 struct drm_crtc base;
265 u16 lut_r[256], lut_g[256], lut_b[256];
268 uint32_t crtc_offset;
269 struct drm_gem_object *cursor_bo;
270 uint64_t cursor_addr;
273 uint32_t legacy_display_base_addr;
274 uint32_t legacy_cursor_offset;
275 enum radeon_rmx_type rmx_type;
280 struct drm_display_mode native_mode;
283 struct radeon_unpin_work *unpin_work;
284 int deferred_flip_completion;
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 {
347 struct radeon_encoder_atom_dig {
351 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
354 uint16_t panel_pwr_delay;
357 struct drm_display_mode native_mode;
360 struct radeon_encoder_atom_dac {
361 enum radeon_tv_std tv_std;
364 struct radeon_encoder {
365 struct drm_encoder base;
366 uint32_t encoder_enum;
369 uint32_t active_device;
371 uint32_t pixel_clock;
372 enum radeon_rmx_type rmx_type;
373 enum radeon_underscan_type underscan_type;
374 uint32_t underscan_hborder;
375 uint32_t underscan_vborder;
376 struct drm_display_mode native_mode;
378 int audio_polling_active;
380 int hdmi_config_offset;
381 int hdmi_audio_workaround;
382 int hdmi_buffer_status;
387 struct radeon_connector_atom_dig {
388 uint32_t igp_lane_info;
390 struct radeon_i2c_chan *dp_i2c_bus;
398 struct radeon_gpio_rec {
406 enum radeon_hpd_id hpd;
408 struct radeon_gpio_rec gpio;
411 struct radeon_router {
413 struct radeon_i2c_bus_rec i2c_info;
418 u8 ddc_mux_control_pin;
423 u8 cd_mux_control_pin;
427 struct radeon_connector {
428 struct drm_connector base;
429 uint32_t connector_id;
431 struct radeon_i2c_chan *ddc_bus;
432 /* some systems have an hdmi and vga port with a shared ddc line */
435 /* we need to mind the EDID between detect
436 and get modes due to analog/digital/tvencoder */
439 bool dac_load_detect;
440 uint16_t connector_object_id;
441 struct radeon_hpd hpd;
442 struct radeon_router router;
443 struct radeon_i2c_chan *router_bus;
446 struct radeon_framebuffer {
447 struct drm_framebuffer base;
448 struct drm_gem_object *obj;
452 extern enum radeon_tv_std
453 radeon_combios_get_tv_info(struct radeon_device *rdev);
454 extern enum radeon_tv_std
455 radeon_atombios_get_tv_info(struct radeon_device *rdev);
457 extern struct drm_connector *
458 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
460 extern void radeon_connector_hotplug(struct drm_connector *connector);
461 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
462 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
463 struct drm_display_mode *mode);
464 extern void radeon_dp_set_link_config(struct drm_connector *connector,
465 struct drm_display_mode *mode);
466 extern void dp_link_train(struct drm_encoder *encoder,
467 struct drm_connector *connector);
468 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
469 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
470 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
471 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
472 int action, uint8_t lane_num,
474 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
475 uint8_t write_byte, uint8_t *read_byte);
477 extern void radeon_i2c_init(struct radeon_device *rdev);
478 extern void radeon_i2c_fini(struct radeon_device *rdev);
479 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
480 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
481 extern void radeon_i2c_add(struct radeon_device *rdev,
482 struct radeon_i2c_bus_rec *rec,
484 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
485 struct radeon_i2c_bus_rec *i2c_bus);
486 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
487 struct radeon_i2c_bus_rec *rec,
489 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
490 struct radeon_i2c_bus_rec *rec,
492 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
493 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
497 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
501 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
502 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
503 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
504 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
506 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
508 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
509 struct radeon_atom_ss *ss,
511 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
512 struct radeon_atom_ss *ss,
515 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
517 uint32_t *dot_clock_p,
519 uint32_t *frac_fb_div_p,
521 uint32_t *post_div_p);
523 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
531 extern void radeon_setup_encoder_clones(struct drm_device *dev);
533 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
534 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
535 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
536 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
537 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
538 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
539 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
540 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
541 extern void atombios_set_edp_panel_power(struct drm_connector *connector, int action);
542 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
544 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
545 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
546 struct drm_framebuffer *old_fb);
547 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
548 struct drm_framebuffer *fb,
550 enum mode_set_atomic state);
551 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
552 struct drm_display_mode *mode,
553 struct drm_display_mode *adjusted_mode,
555 struct drm_framebuffer *old_fb);
556 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
558 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
559 struct drm_framebuffer *old_fb);
560 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
561 struct drm_framebuffer *fb,
563 enum mode_set_atomic state);
564 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
565 struct drm_framebuffer *fb,
566 int x, int y, int atomic);
567 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
568 struct drm_file *file_priv,
572 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
575 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
576 int *vpos, int *hpos);
578 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
580 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
581 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
582 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
583 extern struct radeon_encoder_atom_dig *
584 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
585 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
586 struct radeon_encoder_int_tmds *tmds);
587 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
588 struct radeon_encoder_int_tmds *tmds);
589 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
590 struct radeon_encoder_int_tmds *tmds);
591 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
592 struct radeon_encoder_ext_tmds *tmds);
593 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
594 struct radeon_encoder_ext_tmds *tmds);
595 extern struct radeon_encoder_primary_dac *
596 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
597 extern struct radeon_encoder_tv_dac *
598 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
599 extern struct radeon_encoder_lvds *
600 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
601 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
602 extern struct radeon_encoder_tv_dac *
603 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
604 extern struct radeon_encoder_primary_dac *
605 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
606 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
607 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
608 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
609 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
610 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
611 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
612 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
613 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
615 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
617 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
619 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
621 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
622 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
623 u16 blue, int regno);
624 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
625 u16 *blue, int regno);
626 void radeon_framebuffer_init(struct drm_device *dev,
627 struct radeon_framebuffer *rfb,
628 struct drm_mode_fb_cmd *mode_cmd,
629 struct drm_gem_object *obj);
631 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
632 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
633 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
634 void radeon_atombios_init_crtc(struct drm_device *dev,
635 struct radeon_crtc *radeon_crtc);
636 void radeon_legacy_init_crtc(struct drm_device *dev,
637 struct radeon_crtc *radeon_crtc);
639 void radeon_get_clock_info(struct drm_device *dev);
641 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
642 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
644 void radeon_enc_destroy(struct drm_encoder *encoder);
645 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
646 void radeon_combios_asic_init(struct drm_device *dev);
647 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
648 struct drm_display_mode *mode,
649 struct drm_display_mode *adjusted_mode);
650 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
651 struct drm_display_mode *adjusted_mode);
652 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
655 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
656 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
657 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
658 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
659 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
660 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
661 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
662 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
663 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
664 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
665 struct drm_display_mode *mode,
666 struct drm_display_mode *adjusted_mode);
669 int radeon_fbdev_init(struct radeon_device *rdev);
670 void radeon_fbdev_fini(struct radeon_device *rdev);
671 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
672 int radeon_fbdev_total_size(struct radeon_device *rdev);
673 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
675 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
677 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);