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,
221 enum radeon_dvo_chip {
228 struct radeon_mode_info {
229 struct atom_context *atom_context;
230 struct card_info *atom_card_info;
231 enum radeon_connector_table connector_table;
232 bool mode_config_initialized;
233 struct radeon_crtc *crtcs[6];
234 /* DVI-I properties */
235 struct drm_property *coherent_mode_property;
236 /* DAC enable load detect */
237 struct drm_property *load_detect_property;
239 struct drm_property *tv_std_property;
240 /* legacy TMDS PLL detect */
241 struct drm_property *tmds_pll_property;
243 struct drm_property *underscan_property;
244 /* hardcoded DFP edid from BIOS */
245 struct edid *bios_hardcoded_edid;
247 /* pointer to fbdev info structure */
248 struct radeon_fbdev *rfbdev;
251 #define MAX_H_CODE_TIMING_LEN 32
252 #define MAX_V_CODE_TIMING_LEN 32
254 /* need to store these as reading
255 back code tables is excessive */
256 struct radeon_tv_regs {
258 uint32_t timing_cntl;
262 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
263 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
267 struct drm_crtc base;
269 u16 lut_r[256], lut_g[256], lut_b[256];
272 uint32_t crtc_offset;
273 struct drm_gem_object *cursor_bo;
274 uint64_t cursor_addr;
277 uint32_t legacy_display_base_addr;
278 uint32_t legacy_cursor_offset;
279 enum radeon_rmx_type rmx_type;
284 struct drm_display_mode native_mode;
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;
308 struct radeon_encoder_tv_dac {
310 uint32_t ps2_tvdac_adj;
311 uint32_t ntsc_tvdac_adj;
312 uint32_t pal_tvdac_adj;
317 int supported_tv_stds;
319 enum radeon_tv_std tv_std;
320 struct radeon_tv_regs tv;
323 struct radeon_encoder_int_tmds {
324 /* legacy int tmds */
325 struct radeon_tmds_pll tmds_pll[4];
328 struct radeon_encoder_ext_tmds {
330 struct radeon_i2c_chan *i2c_bus;
332 enum radeon_dvo_chip dvo_chip;
335 /* spread spectrum */
336 struct radeon_atom_ss {
345 struct radeon_encoder_atom_dig {
349 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
352 uint16_t panel_pwr_delay;
353 enum radeon_pll_algo pll_algo;
354 struct radeon_atom_ss *ss;
356 struct drm_display_mode native_mode;
359 struct radeon_encoder_atom_dac {
360 enum radeon_tv_std tv_std;
363 struct radeon_encoder {
364 struct drm_encoder base;
365 uint32_t encoder_enum;
368 uint32_t active_device;
370 uint32_t pixel_clock;
371 enum radeon_rmx_type rmx_type;
372 enum radeon_underscan_type underscan_type;
373 struct drm_display_mode native_mode;
375 int audio_polling_active;
377 int hdmi_config_offset;
378 int hdmi_audio_workaround;
379 int hdmi_buffer_status;
382 struct radeon_connector_atom_dig {
383 uint32_t igp_lane_info;
385 struct radeon_i2c_chan *dp_i2c_bus;
392 struct radeon_gpio_rec {
400 enum radeon_hpd_id hpd;
402 struct radeon_gpio_rec gpio;
405 struct radeon_router {
408 struct radeon_i2c_bus_rec i2c_info;
415 struct radeon_connector {
416 struct drm_connector base;
417 uint32_t connector_id;
419 struct radeon_i2c_chan *ddc_bus;
420 /* some systems have an hdmi and vga port with a shared ddc line */
423 /* we need to mind the EDID between detect
424 and get modes due to analog/digital/tvencoder */
427 bool dac_load_detect;
428 uint16_t connector_object_id;
429 struct radeon_hpd hpd;
430 struct radeon_router router;
431 struct radeon_i2c_chan *router_bus;
434 struct radeon_framebuffer {
435 struct drm_framebuffer base;
436 struct drm_gem_object *obj;
439 extern enum radeon_tv_std
440 radeon_combios_get_tv_info(struct radeon_device *rdev);
441 extern enum radeon_tv_std
442 radeon_atombios_get_tv_info(struct radeon_device *rdev);
444 extern struct drm_connector *
445 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
447 extern void radeon_connector_hotplug(struct drm_connector *connector);
448 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
449 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
450 struct drm_display_mode *mode);
451 extern void radeon_dp_set_link_config(struct drm_connector *connector,
452 struct drm_display_mode *mode);
453 extern void dp_link_train(struct drm_encoder *encoder,
454 struct drm_connector *connector);
455 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
456 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
457 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
458 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
459 int action, uint8_t lane_num,
461 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
462 uint8_t write_byte, uint8_t *read_byte);
464 extern void radeon_i2c_init(struct radeon_device *rdev);
465 extern void radeon_i2c_fini(struct radeon_device *rdev);
466 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
467 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
468 extern void radeon_i2c_add(struct radeon_device *rdev,
469 struct radeon_i2c_bus_rec *rec,
471 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
472 struct radeon_i2c_bus_rec *i2c_bus);
473 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
474 struct radeon_i2c_bus_rec *rec,
476 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
477 struct radeon_i2c_bus_rec *rec,
479 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
480 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
484 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
488 extern void radeon_router_select_port(struct radeon_connector *radeon_connector);
489 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
490 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
492 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
494 extern void radeon_compute_pll(struct radeon_pll *pll,
496 uint32_t *dot_clock_p,
498 uint32_t *frac_fb_div_p,
500 uint32_t *post_div_p);
502 extern void radeon_setup_encoder_clones(struct drm_device *dev);
504 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
505 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
506 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
507 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
508 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
509 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
510 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
511 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
512 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
514 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
515 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
516 struct drm_framebuffer *old_fb);
517 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
518 struct drm_display_mode *mode,
519 struct drm_display_mode *adjusted_mode,
521 struct drm_framebuffer *old_fb);
522 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
524 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
525 struct drm_framebuffer *old_fb);
527 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
528 struct drm_file *file_priv,
532 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
535 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
537 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);
538 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
539 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
540 extern struct radeon_encoder_atom_dig *
541 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
542 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
543 struct radeon_encoder_int_tmds *tmds);
544 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
545 struct radeon_encoder_int_tmds *tmds);
546 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
547 struct radeon_encoder_int_tmds *tmds);
548 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
549 struct radeon_encoder_ext_tmds *tmds);
550 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
551 struct radeon_encoder_ext_tmds *tmds);
552 extern struct radeon_encoder_primary_dac *
553 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
554 extern struct radeon_encoder_tv_dac *
555 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
556 extern struct radeon_encoder_lvds *
557 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
558 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
559 extern struct radeon_encoder_tv_dac *
560 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
561 extern struct radeon_encoder_primary_dac *
562 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
563 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
564 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
565 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
566 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
567 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
568 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
569 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
570 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
572 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
574 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
576 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
578 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
579 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
580 u16 blue, int regno);
581 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
582 u16 *blue, int regno);
583 void radeon_framebuffer_init(struct drm_device *dev,
584 struct radeon_framebuffer *rfb,
585 struct drm_mode_fb_cmd *mode_cmd,
586 struct drm_gem_object *obj);
588 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
589 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
590 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
591 void radeon_atombios_init_crtc(struct drm_device *dev,
592 struct radeon_crtc *radeon_crtc);
593 void radeon_legacy_init_crtc(struct drm_device *dev,
594 struct radeon_crtc *radeon_crtc);
596 void radeon_get_clock_info(struct drm_device *dev);
598 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
599 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
601 void radeon_enc_destroy(struct drm_encoder *encoder);
602 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
603 void radeon_combios_asic_init(struct drm_device *dev);
604 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
605 struct drm_display_mode *mode,
606 struct drm_display_mode *adjusted_mode);
607 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
608 struct drm_display_mode *adjusted_mode);
609 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
612 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
613 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
614 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
615 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
616 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
617 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
618 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
619 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
620 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
621 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
622 struct drm_display_mode *mode,
623 struct drm_display_mode *adjusted_mode);
626 int radeon_fbdev_init(struct radeon_device *rdev);
627 void radeon_fbdev_fini(struct radeon_device *rdev);
628 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
629 int radeon_fbdev_total_size(struct radeon_device *rdev);
630 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
632 void radeon_fb_output_poll_changed(struct radeon_device *rdev);