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 {
86 /* can be used with hw i2c engine */
88 /* uses multi-media i2c engine */
91 uint32_t mask_clk_reg;
92 uint32_t mask_data_reg;
99 uint32_t mask_clk_mask;
100 uint32_t mask_data_mask;
102 uint32_t a_data_mask;
103 uint32_t en_clk_mask;
104 uint32_t en_data_mask;
106 uint32_t y_data_mask;
109 struct radeon_tmds_pll {
114 #define RADEON_MAX_BIOS_CONNECTOR 16
116 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
117 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
118 #define RADEON_PLL_USE_REF_DIV (1 << 2)
119 #define RADEON_PLL_LEGACY (1 << 3)
120 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
121 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
122 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
123 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
124 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
125 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
126 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
127 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
130 uint16_t reference_freq;
131 uint16_t reference_div;
134 uint32_t pll_out_min;
135 uint32_t pll_out_max;
138 uint32_t min_ref_div;
139 uint32_t max_ref_div;
140 uint32_t min_post_div;
141 uint32_t max_post_div;
142 uint32_t min_feedback_div;
143 uint32_t max_feedback_div;
144 uint32_t min_frac_feedback_div;
145 uint32_t max_frac_feedback_div;
149 struct radeon_i2c_chan {
150 struct i2c_adapter adapter;
151 struct drm_device *dev;
153 struct i2c_algo_dp_aux_data dp;
154 struct i2c_algo_bit_data bit;
156 struct radeon_i2c_bus_rec rec;
159 /* mostly for macs, but really any system without connector tables */
160 enum radeon_connector_table {
164 CT_POWERBOOK_EXTERNAL,
165 CT_POWERBOOK_INTERNAL,
173 enum radeon_dvo_chip {
178 struct radeon_mode_info {
179 struct atom_context *atom_context;
180 struct card_info *atom_card_info;
181 enum radeon_connector_table connector_table;
182 bool mode_config_initialized;
183 struct radeon_crtc *crtcs[2];
184 /* DVI-I properties */
185 struct drm_property *coherent_mode_property;
186 /* DAC enable load detect */
187 struct drm_property *load_detect_property;
188 /* TV standard load detect */
189 struct drm_property *tv_std_property;
190 /* legacy TMDS PLL detect */
191 struct drm_property *tmds_pll_property;
195 #define MAX_H_CODE_TIMING_LEN 32
196 #define MAX_V_CODE_TIMING_LEN 32
198 /* need to store these as reading
199 back code tables is excessive */
200 struct radeon_tv_regs {
202 uint32_t timing_cntl;
206 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
207 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
211 struct drm_crtc base;
213 u16 lut_r[256], lut_g[256], lut_b[256];
216 uint32_t crtc_offset;
217 struct drm_gem_object *cursor_bo;
218 uint64_t cursor_addr;
221 uint32_t legacy_display_base_addr;
222 uint32_t legacy_cursor_offset;
223 enum radeon_rmx_type rmx_type;
226 struct drm_display_mode native_mode;
229 struct radeon_encoder_primary_dac {
230 /* legacy primary dac */
231 uint32_t ps2_pdac_adj;
234 struct radeon_encoder_lvds {
236 uint16_t panel_vcc_delay;
237 uint8_t panel_pwr_delay;
238 uint8_t panel_digon_delay;
239 uint8_t panel_blon_delay;
240 uint16_t panel_ref_divider;
241 uint8_t panel_post_divider;
242 uint16_t panel_fb_divider;
243 bool use_bios_dividers;
244 uint32_t lvds_gen_cntl;
246 struct drm_display_mode native_mode;
249 struct radeon_encoder_tv_dac {
251 uint32_t ps2_tvdac_adj;
252 uint32_t ntsc_tvdac_adj;
253 uint32_t pal_tvdac_adj;
258 int supported_tv_stds;
260 enum radeon_tv_std tv_std;
261 struct radeon_tv_regs tv;
264 struct radeon_encoder_int_tmds {
265 /* legacy int tmds */
266 struct radeon_tmds_pll tmds_pll[4];
269 struct radeon_encoder_ext_tmds {
271 struct radeon_i2c_chan *i2c_bus;
273 enum radeon_dvo_chip dvo_chip;
276 /* spread spectrum */
277 struct radeon_atom_ss {
286 struct radeon_encoder_atom_dig {
292 uint16_t panel_pwr_delay;
293 struct radeon_atom_ss *ss;
295 struct drm_display_mode native_mode;
298 struct radeon_encoder_atom_dac {
299 enum radeon_tv_std tv_std;
302 struct radeon_encoder {
303 struct drm_encoder base;
306 uint32_t active_device;
308 uint32_t pixel_clock;
309 enum radeon_rmx_type rmx_type;
310 struct drm_display_mode native_mode;
313 int hdmi_audio_workaround;
314 int hdmi_buffer_status;
317 struct radeon_connector_atom_dig {
318 uint32_t igp_lane_info;
321 struct radeon_i2c_chan *dp_i2c_bus;
328 struct radeon_gpio_rec {
346 enum radeon_hpd_id hpd;
348 struct radeon_gpio_rec gpio;
351 struct radeon_connector {
352 struct drm_connector base;
353 uint32_t connector_id;
355 struct radeon_i2c_chan *ddc_bus;
356 /* some systems have a an hdmi and vga port with a shared ddc line */
359 /* we need to mind the EDID between detect
360 and get modes due to analog/digital/tvencoder */
363 bool dac_load_detect;
364 uint16_t connector_object_id;
365 struct radeon_hpd hpd;
368 struct radeon_framebuffer {
369 struct drm_framebuffer base;
370 struct drm_gem_object *obj;
373 extern enum radeon_tv_std
374 radeon_combios_get_tv_info(struct radeon_device *rdev);
375 extern enum radeon_tv_std
376 radeon_atombios_get_tv_info(struct radeon_device *rdev);
378 extern void radeon_connector_hotplug(struct drm_connector *connector);
379 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
380 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
381 struct drm_display_mode *mode);
382 extern void radeon_dp_set_link_config(struct drm_connector *connector,
383 struct drm_display_mode *mode);
384 extern void dp_link_train(struct drm_encoder *encoder,
385 struct drm_connector *connector);
386 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
387 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
388 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
389 int action, uint8_t lane_num,
391 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
392 uint8_t write_byte, uint8_t *read_byte);
394 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
395 struct radeon_i2c_bus_rec *rec,
397 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
398 struct radeon_i2c_bus_rec *rec,
400 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
401 extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
405 extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
409 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
410 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
412 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
414 extern void radeon_compute_pll(struct radeon_pll *pll,
416 uint32_t *dot_clock_p,
418 uint32_t *frac_fb_div_p,
420 uint32_t *post_div_p,
423 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
425 uint32_t *dot_clock_p,
427 uint32_t *frac_fb_div_p,
429 uint32_t *post_div_p,
432 extern void radeon_setup_encoder_clones(struct drm_device *dev);
434 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
435 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
436 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
437 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
438 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
439 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
440 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
441 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
442 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
444 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
445 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
446 struct drm_framebuffer *old_fb);
447 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
448 struct drm_display_mode *mode,
449 struct drm_display_mode *adjusted_mode,
451 struct drm_framebuffer *old_fb);
452 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
454 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
455 struct drm_framebuffer *old_fb);
456 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
458 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
459 struct drm_file *file_priv,
463 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
466 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
467 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
468 extern struct radeon_encoder_atom_dig *
469 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
470 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
471 struct radeon_encoder_int_tmds *tmds);
472 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
473 struct radeon_encoder_int_tmds *tmds);
474 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
475 struct radeon_encoder_int_tmds *tmds);
476 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
477 struct radeon_encoder_ext_tmds *tmds);
478 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
479 struct radeon_encoder_ext_tmds *tmds);
480 extern struct radeon_encoder_primary_dac *
481 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
482 extern struct radeon_encoder_tv_dac *
483 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
484 extern struct radeon_encoder_lvds *
485 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
486 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
487 extern struct radeon_encoder_tv_dac *
488 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
489 extern struct radeon_encoder_primary_dac *
490 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
491 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
492 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
493 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
494 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
495 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
496 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
497 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
498 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
500 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
502 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
504 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
506 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
507 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
508 u16 blue, int regno);
509 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
510 u16 *blue, int regno);
511 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
512 struct drm_mode_fb_cmd *mode_cmd,
513 struct drm_gem_object *obj);
515 int radeonfb_probe(struct drm_device *dev);
517 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
518 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
519 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
520 void radeon_atombios_init_crtc(struct drm_device *dev,
521 struct radeon_crtc *radeon_crtc);
522 void radeon_legacy_init_crtc(struct drm_device *dev,
523 struct radeon_crtc *radeon_crtc);
524 extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
526 void radeon_get_clock_info(struct drm_device *dev);
528 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
529 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
531 void radeon_enc_destroy(struct drm_encoder *encoder);
532 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
533 void radeon_combios_asic_init(struct drm_device *dev);
534 extern int radeon_static_clocks_init(struct drm_device *dev);
535 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
536 struct drm_display_mode *mode,
537 struct drm_display_mode *adjusted_mode);
538 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
541 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
542 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
543 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
544 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
545 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
546 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
547 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
548 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
549 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
550 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
551 struct drm_display_mode *mode,
552 struct drm_display_mode *adjusted_mode);