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-algo-bit.h>
44 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
45 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
46 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
47 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
49 enum radeon_rmx_type {
68 enum radeon_underscan_type {
81 RADEON_HPD_NONE = 0xff,
84 #define RADEON_MAX_I2C_BUS 16
86 /* radeon gpio-based i2c
87 * 1. "mask" reg and bits
88 * grabs the gpio pins for software use
93 * 3. "en" reg and bits
94 * sets the pin direction
100 struct radeon_i2c_bus_rec {
102 /* id used by atom */
104 /* id used by atom */
105 enum radeon_hpd_id hpd;
106 /* can be used with hw i2c engine */
108 /* uses multi-media i2c engine */
111 uint32_t mask_clk_reg;
112 uint32_t mask_data_reg;
116 uint32_t en_data_reg;
119 uint32_t mask_clk_mask;
120 uint32_t mask_data_mask;
122 uint32_t a_data_mask;
123 uint32_t en_clk_mask;
124 uint32_t en_data_mask;
126 uint32_t y_data_mask;
129 struct radeon_tmds_pll {
134 #define RADEON_MAX_BIOS_CONNECTOR 16
137 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
138 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
139 #define RADEON_PLL_USE_REF_DIV (1 << 2)
140 #define RADEON_PLL_LEGACY (1 << 3)
141 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
142 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
143 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
144 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
145 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
146 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
147 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
148 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
149 #define RADEON_PLL_USE_POST_DIV (1 << 12)
150 #define RADEON_PLL_IS_LCD (1 << 13)
153 enum radeon_pll_algo {
159 /* reference frequency */
160 uint32_t reference_freq;
163 uint32_t reference_div;
166 /* pll in/out limits */
169 uint32_t pll_out_min;
170 uint32_t pll_out_max;
171 uint32_t lcd_pll_out_min;
172 uint32_t lcd_pll_out_max;
176 uint32_t min_ref_div;
177 uint32_t max_ref_div;
178 uint32_t min_post_div;
179 uint32_t max_post_div;
180 uint32_t min_feedback_div;
181 uint32_t max_feedback_div;
182 uint32_t min_frac_feedback_div;
183 uint32_t max_frac_feedback_div;
185 /* flags for the current clock */
191 enum radeon_pll_algo algo;
194 struct radeon_i2c_chan {
195 struct i2c_adapter adapter;
196 struct drm_device *dev;
198 struct i2c_algo_bit_data bit;
199 struct i2c_algo_dp_aux_data dp;
201 struct radeon_i2c_bus_rec rec;
204 /* mostly for macs, but really any system without connector tables */
205 enum radeon_connector_table {
209 CT_POWERBOOK_EXTERNAL,
210 CT_POWERBOOK_INTERNAL,
220 enum radeon_dvo_chip {
227 struct radeon_mode_info {
228 struct atom_context *atom_context;
229 struct card_info *atom_card_info;
230 enum radeon_connector_table connector_table;
231 bool mode_config_initialized;
232 struct radeon_crtc *crtcs[6];
233 /* DVI-I properties */
234 struct drm_property *coherent_mode_property;
235 /* DAC enable load detect */
236 struct drm_property *load_detect_property;
238 struct drm_property *tv_std_property;
239 /* legacy TMDS PLL detect */
240 struct drm_property *tmds_pll_property;
242 struct drm_property *underscan_property;
243 /* hardcoded DFP edid from BIOS */
244 struct edid *bios_hardcoded_edid;
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;
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 {
344 struct radeon_encoder_atom_dig {
348 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
351 uint16_t panel_pwr_delay;
352 enum radeon_pll_algo pll_algo;
353 struct radeon_atom_ss *ss;
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 struct drm_display_mode native_mode;
374 int audio_polling_active;
376 int hdmi_config_offset;
377 int hdmi_audio_workaround;
378 int hdmi_buffer_status;
381 struct radeon_connector_atom_dig {
382 uint32_t igp_lane_info;
384 struct radeon_i2c_chan *dp_i2c_bus;
391 struct radeon_gpio_rec {
399 enum radeon_hpd_id hpd;
401 struct radeon_gpio_rec gpio;
404 struct radeon_router {
407 struct radeon_i2c_bus_rec i2c_info;
414 struct radeon_connector {
415 struct drm_connector base;
416 uint32_t connector_id;
418 struct radeon_i2c_chan *ddc_bus;
419 /* some systems have an hdmi and vga port with a shared ddc line */
422 /* we need to mind the EDID between detect
423 and get modes due to analog/digital/tvencoder */
426 bool dac_load_detect;
427 uint16_t connector_object_id;
428 struct radeon_hpd hpd;
429 struct radeon_router router;
430 struct radeon_i2c_chan *router_bus;
433 struct radeon_framebuffer {
434 struct drm_framebuffer base;
435 struct drm_gem_object *obj;
438 extern enum radeon_tv_std
439 radeon_combios_get_tv_info(struct radeon_device *rdev);
440 extern enum radeon_tv_std
441 radeon_atombios_get_tv_info(struct radeon_device *rdev);
443 extern struct drm_connector *
444 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
446 extern void radeon_connector_hotplug(struct drm_connector *connector);
447 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
448 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
449 struct drm_display_mode *mode);
450 extern void radeon_dp_set_link_config(struct drm_connector *connector,
451 struct drm_display_mode *mode);
452 extern void dp_link_train(struct drm_encoder *encoder,
453 struct drm_connector *connector);
454 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
455 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
456 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
457 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
458 int action, uint8_t lane_num,
460 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
461 uint8_t write_byte, uint8_t *read_byte);
463 extern void radeon_i2c_init(struct radeon_device *rdev);
464 extern void radeon_i2c_fini(struct radeon_device *rdev);
465 extern void radeon_combios_i2c_init(struct radeon_device *rdev);
466 extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
467 extern void radeon_i2c_add(struct radeon_device *rdev,
468 struct radeon_i2c_bus_rec *rec,
470 extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
471 struct radeon_i2c_bus_rec *i2c_bus);
472 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
473 struct radeon_i2c_bus_rec *rec,
475 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
476 struct radeon_i2c_bus_rec *rec,
478 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
479 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
483 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
487 extern void radeon_router_select_port(struct radeon_connector *radeon_connector);
488 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
489 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
491 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
493 extern void radeon_compute_pll(struct radeon_pll *pll,
495 uint32_t *dot_clock_p,
497 uint32_t *frac_fb_div_p,
499 uint32_t *post_div_p);
501 extern void radeon_setup_encoder_clones(struct drm_device *dev);
503 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
504 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
505 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
506 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
507 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
508 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
509 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
510 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
511 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
513 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
514 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
515 struct drm_framebuffer *old_fb);
516 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
517 struct drm_display_mode *mode,
518 struct drm_display_mode *adjusted_mode,
520 struct drm_framebuffer *old_fb);
521 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
523 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
524 struct drm_framebuffer *old_fb);
526 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
527 struct drm_file *file_priv,
531 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
534 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
536 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);
537 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
538 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
539 extern struct radeon_encoder_atom_dig *
540 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
541 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
542 struct radeon_encoder_int_tmds *tmds);
543 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
544 struct radeon_encoder_int_tmds *tmds);
545 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
546 struct radeon_encoder_int_tmds *tmds);
547 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
548 struct radeon_encoder_ext_tmds *tmds);
549 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
550 struct radeon_encoder_ext_tmds *tmds);
551 extern struct radeon_encoder_primary_dac *
552 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
553 extern struct radeon_encoder_tv_dac *
554 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
555 extern struct radeon_encoder_lvds *
556 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
557 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
558 extern struct radeon_encoder_tv_dac *
559 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
560 extern struct radeon_encoder_primary_dac *
561 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
562 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
563 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
564 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
565 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
566 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
567 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
568 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
569 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
571 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
573 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
575 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
577 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
578 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
579 u16 blue, int regno);
580 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
581 u16 *blue, int regno);
582 void radeon_framebuffer_init(struct drm_device *dev,
583 struct radeon_framebuffer *rfb,
584 struct drm_mode_fb_cmd *mode_cmd,
585 struct drm_gem_object *obj);
587 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
588 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
589 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
590 void radeon_atombios_init_crtc(struct drm_device *dev,
591 struct radeon_crtc *radeon_crtc);
592 void radeon_legacy_init_crtc(struct drm_device *dev,
593 struct radeon_crtc *radeon_crtc);
595 void radeon_get_clock_info(struct drm_device *dev);
597 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
598 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
600 void radeon_enc_destroy(struct drm_encoder *encoder);
601 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
602 void radeon_combios_asic_init(struct drm_device *dev);
603 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
604 struct drm_display_mode *mode,
605 struct drm_display_mode *adjusted_mode);
606 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
607 struct drm_display_mode *adjusted_mode);
608 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
611 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
612 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
613 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
614 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
615 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
616 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
617 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
618 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
619 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
620 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
621 struct drm_display_mode *mode,
622 struct drm_display_mode *adjusted_mode);
625 int radeon_fbdev_init(struct radeon_device *rdev);
626 void radeon_fbdev_fini(struct radeon_device *rdev);
627 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
628 int radeon_fbdev_total_size(struct radeon_device *rdev);
629 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
631 void radeon_fb_output_poll_changed(struct radeon_device *rdev);