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 <linux/i2c.h>
38 #include <linux/i2c-id.h>
39 #include <linux/i2c-algo-bit.h>
40 #include "radeon_fixed.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 /* radeon gpio-based i2c
69 * 1. "mask" reg and bits
70 * grabs the gpio pins for software use
75 * 3. "en" reg and bits
76 * sets the pin direction
82 struct radeon_i2c_bus_rec {
88 /* can be used with hw i2c engine */
90 /* uses multi-media i2c engine */
93 uint32_t mask_clk_reg;
94 uint32_t mask_data_reg;
101 uint32_t mask_clk_mask;
102 uint32_t mask_data_mask;
104 uint32_t a_data_mask;
105 uint32_t en_clk_mask;
106 uint32_t en_data_mask;
108 uint32_t y_data_mask;
111 struct radeon_tmds_pll {
116 #define RADEON_MAX_BIOS_CONNECTOR 16
119 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
120 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
121 #define RADEON_PLL_USE_REF_DIV (1 << 2)
122 #define RADEON_PLL_LEGACY (1 << 3)
123 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
124 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
125 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
126 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
127 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
128 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
129 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
130 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
131 #define RADEON_PLL_USE_POST_DIV (1 << 12)
134 enum radeon_pll_algo {
140 /* reference frequency */
141 uint32_t reference_freq;
144 uint32_t reference_div;
147 /* pll in/out limits */
150 uint32_t pll_out_min;
151 uint32_t pll_out_max;
155 uint32_t min_ref_div;
156 uint32_t max_ref_div;
157 uint32_t min_post_div;
158 uint32_t max_post_div;
159 uint32_t min_feedback_div;
160 uint32_t max_feedback_div;
161 uint32_t min_frac_feedback_div;
162 uint32_t max_frac_feedback_div;
164 /* flags for the current clock */
170 enum radeon_pll_algo algo;
173 struct i2c_algo_radeon_data {
174 struct i2c_adapter bit_adapter;
175 struct i2c_algo_bit_data bit_data;
178 struct radeon_i2c_chan {
179 struct i2c_adapter adapter;
180 struct drm_device *dev;
182 struct i2c_algo_dp_aux_data dp;
183 struct i2c_algo_radeon_data radeon;
185 struct radeon_i2c_bus_rec rec;
188 /* mostly for macs, but really any system without connector tables */
189 enum radeon_connector_table {
193 CT_POWERBOOK_EXTERNAL,
194 CT_POWERBOOK_INTERNAL,
202 enum radeon_dvo_chip {
207 struct radeon_mode_info {
208 struct atom_context *atom_context;
209 struct card_info *atom_card_info;
210 enum radeon_connector_table connector_table;
211 bool mode_config_initialized;
212 struct radeon_crtc *crtcs[6];
213 /* DVI-I properties */
214 struct drm_property *coherent_mode_property;
215 /* DAC enable load detect */
216 struct drm_property *load_detect_property;
217 /* TV standard load detect */
218 struct drm_property *tv_std_property;
219 /* legacy TMDS PLL detect */
220 struct drm_property *tmds_pll_property;
221 /* hardcoded DFP edid from BIOS */
222 struct edid *bios_hardcoded_edid;
225 #define MAX_H_CODE_TIMING_LEN 32
226 #define MAX_V_CODE_TIMING_LEN 32
228 /* need to store these as reading
229 back code tables is excessive */
230 struct radeon_tv_regs {
232 uint32_t timing_cntl;
236 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
237 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
241 struct drm_crtc base;
243 u16 lut_r[256], lut_g[256], lut_b[256];
246 uint32_t crtc_offset;
247 struct drm_gem_object *cursor_bo;
248 uint64_t cursor_addr;
251 uint32_t legacy_display_base_addr;
252 uint32_t legacy_cursor_offset;
253 enum radeon_rmx_type rmx_type;
256 struct drm_display_mode native_mode;
260 struct radeon_encoder_primary_dac {
261 /* legacy primary dac */
262 uint32_t ps2_pdac_adj;
265 struct radeon_encoder_lvds {
267 uint16_t panel_vcc_delay;
268 uint8_t panel_pwr_delay;
269 uint8_t panel_digon_delay;
270 uint8_t panel_blon_delay;
271 uint16_t panel_ref_divider;
272 uint8_t panel_post_divider;
273 uint16_t panel_fb_divider;
274 bool use_bios_dividers;
275 uint32_t lvds_gen_cntl;
277 struct drm_display_mode native_mode;
280 struct radeon_encoder_tv_dac {
282 uint32_t ps2_tvdac_adj;
283 uint32_t ntsc_tvdac_adj;
284 uint32_t pal_tvdac_adj;
289 int supported_tv_stds;
291 enum radeon_tv_std tv_std;
292 struct radeon_tv_regs tv;
295 struct radeon_encoder_int_tmds {
296 /* legacy int tmds */
297 struct radeon_tmds_pll tmds_pll[4];
300 struct radeon_encoder_ext_tmds {
302 struct radeon_i2c_chan *i2c_bus;
304 enum radeon_dvo_chip dvo_chip;
307 /* spread spectrum */
308 struct radeon_atom_ss {
317 struct radeon_encoder_atom_dig {
320 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
323 uint16_t panel_pwr_delay;
324 enum radeon_pll_algo pll_algo;
325 struct radeon_atom_ss *ss;
327 struct drm_display_mode native_mode;
330 struct radeon_encoder_atom_dac {
331 enum radeon_tv_std tv_std;
334 struct radeon_encoder {
335 struct drm_encoder base;
338 uint32_t active_device;
340 uint32_t pixel_clock;
341 enum radeon_rmx_type rmx_type;
342 struct drm_display_mode native_mode;
345 int hdmi_audio_workaround;
346 int hdmi_buffer_status;
349 struct radeon_connector_atom_dig {
350 uint32_t igp_lane_info;
353 struct radeon_i2c_chan *dp_i2c_bus;
360 struct radeon_gpio_rec {
378 enum radeon_hpd_id hpd;
380 struct radeon_gpio_rec gpio;
383 struct radeon_connector {
384 struct drm_connector base;
385 uint32_t connector_id;
387 struct radeon_i2c_chan *ddc_bus;
388 /* some systems have a an hdmi and vga port with a shared ddc line */
391 /* we need to mind the EDID between detect
392 and get modes due to analog/digital/tvencoder */
395 bool dac_load_detect;
396 uint16_t connector_object_id;
397 struct radeon_hpd hpd;
400 struct radeon_framebuffer {
401 struct drm_framebuffer base;
402 struct drm_gem_object *obj;
405 extern enum radeon_tv_std
406 radeon_combios_get_tv_info(struct radeon_device *rdev);
407 extern enum radeon_tv_std
408 radeon_atombios_get_tv_info(struct radeon_device *rdev);
410 extern void radeon_connector_hotplug(struct drm_connector *connector);
411 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
412 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
413 struct drm_display_mode *mode);
414 extern void radeon_dp_set_link_config(struct drm_connector *connector,
415 struct drm_display_mode *mode);
416 extern void dp_link_train(struct drm_encoder *encoder,
417 struct drm_connector *connector);
418 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
419 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
420 extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
421 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
422 int action, uint8_t lane_num,
424 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
425 uint8_t write_byte, uint8_t *read_byte);
427 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
428 struct radeon_i2c_bus_rec *rec,
430 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
431 struct radeon_i2c_bus_rec *rec,
433 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
434 extern void radeon_i2c_destroy_dp(struct radeon_i2c_chan *i2c);
435 extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
439 extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
443 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
444 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
446 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
448 extern void radeon_compute_pll(struct radeon_pll *pll,
450 uint32_t *dot_clock_p,
452 uint32_t *frac_fb_div_p,
454 uint32_t *post_div_p);
456 extern void radeon_setup_encoder_clones(struct drm_device *dev);
458 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
459 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
460 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
461 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
462 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
463 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
464 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
465 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
466 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
468 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
469 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
470 struct drm_framebuffer *old_fb);
471 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
472 struct drm_display_mode *mode,
473 struct drm_display_mode *adjusted_mode,
475 struct drm_framebuffer *old_fb);
476 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
478 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
479 struct drm_framebuffer *old_fb);
481 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
482 struct drm_file *file_priv,
486 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
489 extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
491 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);
492 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
493 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
494 extern struct radeon_encoder_atom_dig *
495 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
496 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
497 struct radeon_encoder_int_tmds *tmds);
498 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
499 struct radeon_encoder_int_tmds *tmds);
500 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
501 struct radeon_encoder_int_tmds *tmds);
502 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
503 struct radeon_encoder_ext_tmds *tmds);
504 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
505 struct radeon_encoder_ext_tmds *tmds);
506 extern struct radeon_encoder_primary_dac *
507 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
508 extern struct radeon_encoder_tv_dac *
509 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
510 extern struct radeon_encoder_lvds *
511 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
512 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
513 extern struct radeon_encoder_tv_dac *
514 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
515 extern struct radeon_encoder_primary_dac *
516 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
517 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
518 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
519 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
520 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
521 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
522 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
523 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
524 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
526 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
528 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
530 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
532 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
533 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
534 u16 blue, int regno);
535 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
536 u16 *blue, int regno);
537 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
538 struct drm_mode_fb_cmd *mode_cmd,
539 struct drm_gem_object *obj);
541 int radeonfb_probe(struct drm_device *dev);
543 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
544 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
545 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
546 void radeon_atombios_init_crtc(struct drm_device *dev,
547 struct radeon_crtc *radeon_crtc);
548 void radeon_legacy_init_crtc(struct drm_device *dev,
549 struct radeon_crtc *radeon_crtc);
551 void radeon_get_clock_info(struct drm_device *dev);
553 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
554 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
556 void radeon_enc_destroy(struct drm_encoder *encoder);
557 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
558 void radeon_combios_asic_init(struct drm_device *dev);
559 extern int radeon_static_clocks_init(struct drm_device *dev);
560 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
561 struct drm_display_mode *mode,
562 struct drm_display_mode *adjusted_mode);
563 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
566 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
567 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
568 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
569 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
570 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
571 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
572 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
573 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
574 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
575 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
576 struct drm_display_mode *mode,
577 struct drm_display_mode *adjusted_mode);