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 {
76 RADEON_HPD_NONE = 0xff,
79 /* radeon gpio-based i2c
80 * 1. "mask" reg and bits
81 * grabs the gpio pins for software use
86 * 3. "en" reg and bits
87 * sets the pin direction
93 struct radeon_i2c_bus_rec {
98 enum radeon_hpd_id hpd;
99 /* can be used with hw i2c engine */
101 /* uses multi-media i2c engine */
104 uint32_t mask_clk_reg;
105 uint32_t mask_data_reg;
109 uint32_t en_data_reg;
112 uint32_t mask_clk_mask;
113 uint32_t mask_data_mask;
115 uint32_t a_data_mask;
116 uint32_t en_clk_mask;
117 uint32_t en_data_mask;
119 uint32_t y_data_mask;
122 struct radeon_tmds_pll {
127 #define RADEON_MAX_BIOS_CONNECTOR 16
130 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
131 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
132 #define RADEON_PLL_USE_REF_DIV (1 << 2)
133 #define RADEON_PLL_LEGACY (1 << 3)
134 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
135 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
136 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
137 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
138 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
139 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
140 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
141 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
142 #define RADEON_PLL_USE_POST_DIV (1 << 12)
143 #define RADEON_PLL_IS_LCD (1 << 13)
146 enum radeon_pll_algo {
152 /* reference frequency */
153 uint32_t reference_freq;
156 uint32_t reference_div;
159 /* pll in/out limits */
162 uint32_t pll_out_min;
163 uint32_t pll_out_max;
164 uint32_t lcd_pll_out_min;
165 uint32_t lcd_pll_out_max;
169 uint32_t min_ref_div;
170 uint32_t max_ref_div;
171 uint32_t min_post_div;
172 uint32_t max_post_div;
173 uint32_t min_feedback_div;
174 uint32_t max_feedback_div;
175 uint32_t min_frac_feedback_div;
176 uint32_t max_frac_feedback_div;
178 /* flags for the current clock */
184 enum radeon_pll_algo algo;
187 struct radeon_i2c_chan {
188 struct i2c_adapter adapter;
189 struct drm_device *dev;
191 struct i2c_algo_bit_data bit;
192 struct i2c_algo_dp_aux_data dp;
194 struct radeon_i2c_bus_rec rec;
197 /* mostly for macs, but really any system without connector tables */
198 enum radeon_connector_table {
202 CT_POWERBOOK_EXTERNAL,
203 CT_POWERBOOK_INTERNAL,
212 enum radeon_dvo_chip {
219 struct radeon_mode_info {
220 struct atom_context *atom_context;
221 struct card_info *atom_card_info;
222 enum radeon_connector_table connector_table;
223 bool mode_config_initialized;
224 struct radeon_crtc *crtcs[6];
225 /* DVI-I properties */
226 struct drm_property *coherent_mode_property;
227 /* DAC enable load detect */
228 struct drm_property *load_detect_property;
229 /* TV standard load detect */
230 struct drm_property *tv_std_property;
231 /* legacy TMDS PLL detect */
232 struct drm_property *tmds_pll_property;
233 /* hardcoded DFP edid from BIOS */
234 struct edid *bios_hardcoded_edid;
236 /* pointer to fbdev info structure */
237 struct radeon_fbdev *rfbdev;
240 #define MAX_H_CODE_TIMING_LEN 32
241 #define MAX_V_CODE_TIMING_LEN 32
243 /* need to store these as reading
244 back code tables is excessive */
245 struct radeon_tv_regs {
247 uint32_t timing_cntl;
251 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
252 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
256 struct drm_crtc base;
258 u16 lut_r[256], lut_g[256], lut_b[256];
261 uint32_t crtc_offset;
262 struct drm_gem_object *cursor_bo;
263 uint64_t cursor_addr;
266 uint32_t legacy_display_base_addr;
267 uint32_t legacy_cursor_offset;
268 enum radeon_rmx_type rmx_type;
271 struct drm_display_mode native_mode;
275 struct radeon_encoder_primary_dac {
276 /* legacy primary dac */
277 uint32_t ps2_pdac_adj;
280 struct radeon_encoder_lvds {
282 uint16_t panel_vcc_delay;
283 uint8_t panel_pwr_delay;
284 uint8_t panel_digon_delay;
285 uint8_t panel_blon_delay;
286 uint16_t panel_ref_divider;
287 uint8_t panel_post_divider;
288 uint16_t panel_fb_divider;
289 bool use_bios_dividers;
290 uint32_t lvds_gen_cntl;
292 struct drm_display_mode native_mode;
295 struct radeon_encoder_tv_dac {
297 uint32_t ps2_tvdac_adj;
298 uint32_t ntsc_tvdac_adj;
299 uint32_t pal_tvdac_adj;
304 int supported_tv_stds;
306 enum radeon_tv_std tv_std;
307 struct radeon_tv_regs tv;
310 struct radeon_encoder_int_tmds {
311 /* legacy int tmds */
312 struct radeon_tmds_pll tmds_pll[4];
315 struct radeon_encoder_ext_tmds {
317 struct radeon_i2c_chan *i2c_bus;
319 enum radeon_dvo_chip dvo_chip;
322 /* spread spectrum */
323 struct radeon_atom_ss {
332 struct radeon_encoder_atom_dig {
335 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
338 uint16_t panel_pwr_delay;
339 enum radeon_pll_algo pll_algo;
340 struct radeon_atom_ss *ss;
342 struct drm_display_mode native_mode;
345 struct radeon_encoder_atom_dac {
346 enum radeon_tv_std tv_std;
349 struct radeon_encoder {
350 struct drm_encoder base;
353 uint32_t active_device;
355 uint32_t pixel_clock;
356 enum radeon_rmx_type rmx_type;
357 struct drm_display_mode native_mode;
359 int audio_polling_active;
361 int hdmi_config_offset;
362 int hdmi_audio_workaround;
363 int hdmi_buffer_status;
366 struct radeon_connector_atom_dig {
367 uint32_t igp_lane_info;
370 struct radeon_i2c_chan *dp_i2c_bus;
377 struct radeon_gpio_rec {
385 enum radeon_hpd_id hpd;
387 struct radeon_gpio_rec gpio;
390 struct radeon_connector {
391 struct drm_connector base;
392 uint32_t connector_id;
394 struct radeon_i2c_chan *ddc_bus;
395 /* some systems have a an hdmi and vga port with a shared ddc line */
398 /* we need to mind the EDID between detect
399 and get modes due to analog/digital/tvencoder */
402 bool dac_load_detect;
403 uint16_t connector_object_id;
404 struct radeon_hpd hpd;
407 struct radeon_framebuffer {
408 struct drm_framebuffer base;
409 struct drm_gem_object *obj;
412 extern enum radeon_tv_std
413 radeon_combios_get_tv_info(struct radeon_device *rdev);
414 extern enum radeon_tv_std
415 radeon_atombios_get_tv_info(struct radeon_device *rdev);
417 extern void radeon_connector_hotplug(struct drm_connector *connector);
418 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
419 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
420 struct drm_display_mode *mode);
421 extern void radeon_dp_set_link_config(struct drm_connector *connector,
422 struct drm_display_mode *mode);
423 extern void dp_link_train(struct drm_encoder *encoder,
424 struct drm_connector *connector);
425 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
426 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
427 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
428 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
429 int action, uint8_t lane_num,
431 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
432 uint8_t write_byte, uint8_t *read_byte);
434 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
435 struct radeon_i2c_bus_rec *rec,
437 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
438 struct radeon_i2c_bus_rec *rec,
440 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
441 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
445 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
449 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
450 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
452 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
454 extern void radeon_compute_pll(struct radeon_pll *pll,
456 uint32_t *dot_clock_p,
458 uint32_t *frac_fb_div_p,
460 uint32_t *post_div_p);
462 extern void radeon_setup_encoder_clones(struct drm_device *dev);
464 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
465 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
466 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
467 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
468 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
469 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
470 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
471 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
472 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
474 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
475 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
476 struct drm_framebuffer *old_fb);
477 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
478 struct drm_display_mode *mode,
479 struct drm_display_mode *adjusted_mode,
481 struct drm_framebuffer *old_fb);
482 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
484 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
485 struct drm_framebuffer *old_fb);
487 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
488 struct drm_file *file_priv,
492 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
495 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
497 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);
498 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
499 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
500 extern struct radeon_encoder_atom_dig *
501 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
502 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
503 struct radeon_encoder_int_tmds *tmds);
504 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
505 struct radeon_encoder_int_tmds *tmds);
506 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
507 struct radeon_encoder_int_tmds *tmds);
508 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
509 struct radeon_encoder_ext_tmds *tmds);
510 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
511 struct radeon_encoder_ext_tmds *tmds);
512 extern struct radeon_encoder_primary_dac *
513 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
514 extern struct radeon_encoder_tv_dac *
515 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
516 extern struct radeon_encoder_lvds *
517 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
518 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
519 extern struct radeon_encoder_tv_dac *
520 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
521 extern struct radeon_encoder_primary_dac *
522 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
523 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
524 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
525 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
526 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
527 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
528 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
529 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
530 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
532 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
534 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
536 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
538 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
539 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
540 u16 blue, int regno);
541 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
542 u16 *blue, int regno);
543 void radeon_framebuffer_init(struct drm_device *dev,
544 struct radeon_framebuffer *rfb,
545 struct drm_mode_fb_cmd *mode_cmd,
546 struct drm_gem_object *obj);
548 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
549 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
550 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
551 void radeon_atombios_init_crtc(struct drm_device *dev,
552 struct radeon_crtc *radeon_crtc);
553 void radeon_legacy_init_crtc(struct drm_device *dev,
554 struct radeon_crtc *radeon_crtc);
556 void radeon_get_clock_info(struct drm_device *dev);
558 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
559 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
561 void radeon_enc_destroy(struct drm_encoder *encoder);
562 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
563 void radeon_combios_asic_init(struct drm_device *dev);
564 extern int radeon_static_clocks_init(struct drm_device *dev);
565 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
566 struct drm_display_mode *mode,
567 struct drm_display_mode *adjusted_mode);
568 void radeon_panel_mode_fixup(struct drm_encoder *encoder,
569 struct drm_display_mode *adjusted_mode);
570 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
573 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
574 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
575 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
576 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
577 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
578 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
579 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
580 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
581 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
582 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
583 struct drm_display_mode *mode,
584 struct drm_display_mode *adjusted_mode);
587 int radeon_fbdev_init(struct radeon_device *rdev);
588 void radeon_fbdev_fini(struct radeon_device *rdev);
589 void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
590 int radeon_fbdev_total_size(struct radeon_device *rdev);
591 bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
593 void radeon_fb_output_poll_changed(struct radeon_device *rdev);