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 /* radeon gpio-based i2c
86 * 1. "mask" reg and bits
87 * grabs the gpio pins for software use
92 * 3. "en" reg and bits
93 * sets the pin direction
99 struct radeon_i2c_bus_rec {
101 /* id used by atom */
103 /* id used by atom */
104 enum radeon_hpd_id hpd;
105 /* can be used with hw i2c engine */
107 /* uses multi-media i2c engine */
110 uint32_t mask_clk_reg;
111 uint32_t mask_data_reg;
115 uint32_t en_data_reg;
118 uint32_t mask_clk_mask;
119 uint32_t mask_data_mask;
121 uint32_t a_data_mask;
122 uint32_t en_clk_mask;
123 uint32_t en_data_mask;
125 uint32_t y_data_mask;
128 struct radeon_tmds_pll {
133 #define RADEON_MAX_BIOS_CONNECTOR 16
136 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
137 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
138 #define RADEON_PLL_USE_REF_DIV (1 << 2)
139 #define RADEON_PLL_LEGACY (1 << 3)
140 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
141 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
142 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
143 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
144 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
145 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
146 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
147 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
148 #define RADEON_PLL_USE_POST_DIV (1 << 12)
149 #define RADEON_PLL_IS_LCD (1 << 13)
152 enum radeon_pll_algo {
158 /* reference frequency */
159 uint32_t reference_freq;
162 uint32_t reference_div;
165 /* pll in/out limits */
168 uint32_t pll_out_min;
169 uint32_t pll_out_max;
170 uint32_t lcd_pll_out_min;
171 uint32_t lcd_pll_out_max;
175 uint32_t min_ref_div;
176 uint32_t max_ref_div;
177 uint32_t min_post_div;
178 uint32_t max_post_div;
179 uint32_t min_feedback_div;
180 uint32_t max_feedback_div;
181 uint32_t min_frac_feedback_div;
182 uint32_t max_frac_feedback_div;
184 /* flags for the current clock */
190 enum radeon_pll_algo algo;
193 struct radeon_i2c_chan {
194 struct i2c_adapter adapter;
195 struct drm_device *dev;
197 struct i2c_algo_bit_data bit;
198 struct i2c_algo_dp_aux_data dp;
200 struct radeon_i2c_bus_rec rec;
203 /* mostly for macs, but really any system without connector tables */
204 enum radeon_connector_table {
208 CT_POWERBOOK_EXTERNAL,
209 CT_POWERBOOK_INTERNAL,
218 enum radeon_dvo_chip {
225 struct radeon_mode_info {
226 struct atom_context *atom_context;
227 struct card_info *atom_card_info;
228 enum radeon_connector_table connector_table;
229 bool mode_config_initialized;
230 struct radeon_crtc *crtcs[6];
231 /* DVI-I properties */
232 struct drm_property *coherent_mode_property;
233 /* DAC enable load detect */
234 struct drm_property *load_detect_property;
236 struct drm_property *tv_std_property;
237 /* legacy TMDS PLL detect */
238 struct drm_property *tmds_pll_property;
240 struct drm_property *underscan_property;
241 /* hardcoded DFP edid from BIOS */
242 struct edid *bios_hardcoded_edid;
244 /* pointer to fbdev info structure */
245 struct radeon_fbdev *rfbdev;
248 #define MAX_H_CODE_TIMING_LEN 32
249 #define MAX_V_CODE_TIMING_LEN 32
251 /* need to store these as reading
252 back code tables is excessive */
253 struct radeon_tv_regs {
255 uint32_t timing_cntl;
259 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
260 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
264 struct drm_crtc base;
266 u16 lut_r[256], lut_g[256], lut_b[256];
269 uint32_t crtc_offset;
270 struct drm_gem_object *cursor_bo;
271 uint64_t cursor_addr;
274 uint32_t legacy_display_base_addr;
275 uint32_t legacy_cursor_offset;
276 enum radeon_rmx_type rmx_type;
281 struct drm_display_mode native_mode;
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 {
342 struct radeon_encoder_atom_dig {
345 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
348 uint16_t panel_pwr_delay;
349 enum radeon_pll_algo pll_algo;
350 struct radeon_atom_ss *ss;
352 struct drm_display_mode native_mode;
355 struct radeon_encoder_atom_dac {
356 enum radeon_tv_std tv_std;
359 struct radeon_encoder {
360 struct drm_encoder base;
363 uint32_t active_device;
365 uint32_t pixel_clock;
366 enum radeon_rmx_type rmx_type;
367 enum radeon_underscan_type underscan_type;
368 struct drm_display_mode native_mode;
370 int audio_polling_active;
372 int hdmi_config_offset;
373 int hdmi_audio_workaround;
374 int hdmi_buffer_status;
377 struct radeon_connector_atom_dig {
378 uint32_t igp_lane_info;
381 struct radeon_i2c_chan *dp_i2c_bus;
388 struct radeon_gpio_rec {
396 enum radeon_hpd_id hpd;
398 struct radeon_gpio_rec gpio;
401 struct radeon_connector {
402 struct drm_connector base;
403 uint32_t connector_id;
405 struct radeon_i2c_chan *ddc_bus;
406 /* some systems have an hdmi and vga port with a shared ddc line */
409 /* we need to mind the EDID between detect
410 and get modes due to analog/digital/tvencoder */
413 bool dac_load_detect;
414 uint16_t connector_object_id;
415 struct radeon_hpd hpd;
418 struct radeon_framebuffer {
419 struct drm_framebuffer base;
420 struct drm_gem_object *obj;
423 extern enum radeon_tv_std
424 radeon_combios_get_tv_info(struct radeon_device *rdev);
425 extern enum radeon_tv_std
426 radeon_atombios_get_tv_info(struct radeon_device *rdev);
428 extern struct drm_connector *
429 radeon_get_connector_for_encoder(struct drm_encoder *encoder);
431 extern void radeon_connector_hotplug(struct drm_connector *connector);
432 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
433 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
434 struct drm_display_mode *mode);
435 extern void radeon_dp_set_link_config(struct drm_connector *connector,
436 struct drm_display_mode *mode);
437 extern void dp_link_train(struct drm_encoder *encoder,
438 struct drm_connector *connector);
439 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
440 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
441 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
442 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
443 int action, uint8_t lane_num,
445 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
446 uint8_t write_byte, uint8_t *read_byte);
448 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
449 struct radeon_i2c_bus_rec *rec,
451 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
452 struct radeon_i2c_bus_rec *rec,
454 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
455 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
459 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
463 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
464 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
466 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
468 extern void radeon_compute_pll(struct radeon_pll *pll,
470 uint32_t *dot_clock_p,
472 uint32_t *frac_fb_div_p,
474 uint32_t *post_div_p);
476 extern void radeon_setup_encoder_clones(struct drm_device *dev);
478 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
479 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
480 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
481 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
482 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
483 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
484 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
485 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
486 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
488 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
489 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
490 struct drm_framebuffer *old_fb);
491 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
492 struct drm_display_mode *mode,
493 struct drm_display_mode *adjusted_mode,
495 struct drm_framebuffer *old_fb);
496 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
498 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
499 struct drm_framebuffer *old_fb);
501 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
502 struct drm_file *file_priv,
506 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
509 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
511 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);
512 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
513 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
514 extern struct radeon_encoder_atom_dig *
515 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
516 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
517 struct radeon_encoder_int_tmds *tmds);
518 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
519 struct radeon_encoder_int_tmds *tmds);
520 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
521 struct radeon_encoder_int_tmds *tmds);
522 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
523 struct radeon_encoder_ext_tmds *tmds);
524 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
525 struct radeon_encoder_ext_tmds *tmds);
526 extern struct radeon_encoder_primary_dac *
527 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
528 extern struct radeon_encoder_tv_dac *
529 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
530 extern struct radeon_encoder_lvds *
531 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
532 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
533 extern struct radeon_encoder_tv_dac *
534 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
535 extern struct radeon_encoder_primary_dac *
536 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
537 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
538 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
539 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
540 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
541 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
542 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
543 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
544 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
546 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
548 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
550 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
552 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
553 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
554 u16 blue, int regno);
555 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
556 u16 *blue, int regno);
557 void radeon_framebuffer_init(struct drm_device *dev,
558 struct radeon_framebuffer *rfb,
559 struct drm_mode_fb_cmd *mode_cmd,
560 struct drm_gem_object *obj);
562 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
563 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
564 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
565 void radeon_atombios_init_crtc(struct drm_device *dev,
566 struct radeon_crtc *radeon_crtc);
567 void radeon_legacy_init_crtc(struct drm_device *dev,
568 struct radeon_crtc *radeon_crtc);
570 void radeon_get_clock_info(struct drm_device *dev);
572 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
573 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
575 void radeon_enc_destroy(struct drm_encoder *encoder);
576 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
577 void radeon_combios_asic_init(struct drm_device *dev);
578 extern int radeon_static_clocks_init(struct drm_device *dev);
579 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
580 struct drm_display_mode *mode,
581 struct drm_display_mode *adjusted_mode);
582 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
583 struct drm_display_mode *adjusted_mode);
584 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
587 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
588 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
589 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
590 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
591 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
592 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
593 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
594 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
595 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
596 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
597 struct drm_display_mode *mode,
598 struct drm_display_mode *adjusted_mode);
601 int radeon_fbdev_init(struct radeon_device *rdev);
602 void radeon_fbdev_fini(struct radeon_device *rdev);
603 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
604 int radeon_fbdev_total_size(struct radeon_device *rdev);
605 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
607 void radeon_fb_output_poll_changed(struct radeon_device *rdev);