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,
217 enum radeon_dvo_chip {
224 struct radeon_mode_info {
225 struct atom_context *atom_context;
226 struct card_info *atom_card_info;
227 enum radeon_connector_table connector_table;
228 bool mode_config_initialized;
229 struct radeon_crtc *crtcs[6];
230 /* DVI-I properties */
231 struct drm_property *coherent_mode_property;
232 /* DAC enable load detect */
233 struct drm_property *load_detect_property;
235 struct drm_property *tv_std_property;
236 /* legacy TMDS PLL detect */
237 struct drm_property *tmds_pll_property;
239 struct drm_property *underscan_property;
240 struct drm_property *underscan_hborder_property;
241 struct drm_property *underscan_vborder_property;
242 /* hardcoded DFP edid from BIOS */
243 struct edid *bios_hardcoded_edid;
244 int bios_hardcoded_edid_size;
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;
286 struct radeon_unpin_work *unpin_work;
287 int deferred_flip_completion;
290 struct radeon_encoder_primary_dac {
291 /* legacy primary dac */
292 uint32_t ps2_pdac_adj;
295 struct radeon_encoder_lvds {
297 uint16_t panel_vcc_delay;
298 uint8_t panel_pwr_delay;
299 uint8_t panel_digon_delay;
300 uint8_t panel_blon_delay;
301 uint16_t panel_ref_divider;
302 uint8_t panel_post_divider;
303 uint16_t panel_fb_divider;
304 bool use_bios_dividers;
305 uint32_t lvds_gen_cntl;
307 struct drm_display_mode native_mode;
308 struct backlight_device *bl_dev;
310 uint8_t backlight_level;
313 struct radeon_encoder_tv_dac {
315 uint32_t ps2_tvdac_adj;
316 uint32_t ntsc_tvdac_adj;
317 uint32_t pal_tvdac_adj;
322 int supported_tv_stds;
324 enum radeon_tv_std tv_std;
325 struct radeon_tv_regs tv;
328 struct radeon_encoder_int_tmds {
329 /* legacy int tmds */
330 struct radeon_tmds_pll tmds_pll[4];
333 struct radeon_encoder_ext_tmds {
335 struct radeon_i2c_chan *i2c_bus;
337 enum radeon_dvo_chip dvo_chip;
340 /* spread spectrum */
341 struct radeon_atom_ss {
353 struct radeon_encoder_atom_dig {
357 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
360 uint16_t panel_pwr_delay;
363 struct drm_display_mode native_mode;
364 struct backlight_device *bl_dev;
366 uint8_t backlight_level;
370 struct radeon_encoder_atom_dac {
371 enum radeon_tv_std tv_std;
374 struct radeon_encoder {
375 struct drm_encoder base;
376 uint32_t encoder_enum;
379 uint32_t active_device;
381 uint32_t pixel_clock;
382 enum radeon_rmx_type rmx_type;
383 enum radeon_underscan_type underscan_type;
384 uint32_t underscan_hborder;
385 uint32_t underscan_vborder;
386 struct drm_display_mode native_mode;
388 int audio_polling_active;
390 int hdmi_config_offset;
391 int hdmi_audio_workaround;
392 int hdmi_buffer_status;
397 struct radeon_connector_atom_dig {
398 uint32_t igp_lane_info;
400 struct radeon_i2c_chan *dp_i2c_bus;
408 struct radeon_gpio_rec {
416 enum radeon_hpd_id hpd;
418 struct radeon_gpio_rec gpio;
421 struct radeon_router {
423 struct radeon_i2c_bus_rec i2c_info;
428 u8 ddc_mux_control_pin;
433 u8 cd_mux_control_pin;
437 struct radeon_connector {
438 struct drm_connector base;
439 uint32_t connector_id;
441 struct radeon_i2c_chan *ddc_bus;
442 /* some systems have an hdmi and vga port with a shared ddc line */
445 /* we need to mind the EDID between detect
446 and get modes due to analog/digital/tvencoder */
449 bool dac_load_detect;
450 bool detected_by_load; /* if the connection status was determined by load */
451 uint16_t connector_object_id;
452 struct radeon_hpd hpd;
453 struct radeon_router router;
454 struct radeon_i2c_chan *router_bus;
457 struct radeon_framebuffer {
458 struct drm_framebuffer base;
459 struct drm_gem_object *obj;
462 #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
463 ((em) == ATOM_ENCODER_MODE_DP_MST))
465 extern enum radeon_tv_std
466 radeon_combios_get_tv_info(struct radeon_device *rdev);
467 extern enum radeon_tv_std
468 radeon_atombios_get_tv_info(struct radeon_device *rdev);
470 extern struct drm_connector *
471 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
473 extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
474 extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector);
475 extern bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector);
476 extern bool radeon_connector_is_dp12_capable(struct drm_connector *connector);
478 extern void radeon_connector_hotplug(struct drm_connector *connector);
479 extern int radeon_dp_mode_valid_helper(struct drm_connector *connector,
480 struct drm_display_mode *mode);
481 extern void radeon_dp_set_link_config(struct drm_connector *connector,
482 struct drm_display_mode *mode);
483 extern void radeon_dp_link_train(struct drm_encoder *encoder,
484 struct drm_connector *connector);
485 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
486 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
487 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
488 extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
489 struct drm_connector *connector);
490 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode);
491 extern void radeon_atom_encoder_init(struct radeon_device *rdev);
492 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
493 int action, uint8_t lane_num,
495 extern void radeon_atom_ext_encoder_setup_ddc(struct drm_encoder *encoder);
496 extern struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder);
497 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
498 u8 write_byte, u8 *read_byte);
500 extern void radeon_i2c_init(struct radeon_device *rdev);
501 extern void radeon_i2c_fini(struct radeon_device *rdev);
502 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
503 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
504 extern void radeon_i2c_add(struct radeon_device *rdev,
505 struct radeon_i2c_bus_rec *rec,
507 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
508 struct radeon_i2c_bus_rec *i2c_bus);
509 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
510 struct radeon_i2c_bus_rec *rec,
512 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
513 struct radeon_i2c_bus_rec *rec,
515 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
516 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
520 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
524 extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
525 extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
526 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
527 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
529 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
531 extern bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
532 struct radeon_atom_ss *ss,
534 extern bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
535 struct radeon_atom_ss *ss,
538 extern void radeon_compute_pll_legacy(struct radeon_pll *pll,
540 uint32_t *dot_clock_p,
542 uint32_t *frac_fb_div_p,
544 uint32_t *post_div_p);
546 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
554 extern void radeon_setup_encoder_clones(struct drm_device *dev);
556 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
557 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
558 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
559 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
560 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
561 extern void atombios_dvo_setup(struct drm_encoder *encoder, int action);
562 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
563 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
564 extern bool atombios_set_edp_panel_power(struct drm_connector *connector, int action);
565 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
567 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
568 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
569 struct drm_framebuffer *old_fb);
570 extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
571 struct drm_framebuffer *fb,
573 enum mode_set_atomic state);
574 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
575 struct drm_display_mode *mode,
576 struct drm_display_mode *adjusted_mode,
578 struct drm_framebuffer *old_fb);
579 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
581 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
582 struct drm_framebuffer *old_fb);
583 extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
584 struct drm_framebuffer *fb,
586 enum mode_set_atomic state);
587 extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
588 struct drm_framebuffer *fb,
589 int x, int y, int atomic);
590 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
591 struct drm_file *file_priv,
595 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
598 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
599 int *vpos, int *hpos);
601 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
603 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev);
604 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
605 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
606 extern struct radeon_encoder_atom_dig *
607 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
608 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
609 struct radeon_encoder_int_tmds *tmds);
610 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
611 struct radeon_encoder_int_tmds *tmds);
612 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
613 struct radeon_encoder_int_tmds *tmds);
614 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
615 struct radeon_encoder_ext_tmds *tmds);
616 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
617 struct radeon_encoder_ext_tmds *tmds);
618 extern struct radeon_encoder_primary_dac *
619 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
620 extern struct radeon_encoder_tv_dac *
621 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
622 extern struct radeon_encoder_lvds *
623 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
624 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
625 extern struct radeon_encoder_tv_dac *
626 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
627 extern struct radeon_encoder_primary_dac *
628 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
629 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
630 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
631 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
632 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
633 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
634 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
635 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
636 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
638 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
640 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
642 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
644 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
645 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
646 u16 blue, int regno);
647 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
648 u16 *blue, int regno);
649 void radeon_framebuffer_init(struct drm_device *dev,
650 struct radeon_framebuffer *rfb,
651 struct drm_mode_fb_cmd *mode_cmd,
652 struct drm_gem_object *obj);
654 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
655 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
656 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
657 void radeon_atombios_init_crtc(struct drm_device *dev,
658 struct radeon_crtc *radeon_crtc);
659 void radeon_legacy_init_crtc(struct drm_device *dev,
660 struct radeon_crtc *radeon_crtc);
662 void radeon_get_clock_info(struct drm_device *dev);
664 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
665 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
667 void radeon_enc_destroy(struct drm_encoder *encoder);
668 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
669 void radeon_combios_asic_init(struct drm_device *dev);
670 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
671 struct drm_display_mode *mode,
672 struct drm_display_mode *adjusted_mode);
673 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
674 struct drm_display_mode *adjusted_mode);
675 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
678 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
679 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
680 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
681 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
682 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
683 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
684 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
685 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
686 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
687 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
688 struct drm_display_mode *mode,
689 struct drm_display_mode *adjusted_mode);
692 int radeon_fbdev_init(struct radeon_device *rdev);
693 void radeon_fbdev_fini(struct radeon_device *rdev);
694 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
695 int radeon_fbdev_total_size(struct radeon_device *rdev);
696 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
698 void radeon_fb_output_poll_changed(struct radeon_device *rdev);
700 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
702 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);