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_connector_type {
60 CONNECTOR_HDMI_TYPE_A,
61 CONNECTOR_HDMI_TYPE_B,
65 CONNECTOR_DISPLAY_PORT,
69 enum radeon_dvi_type {
75 enum radeon_rmx_type {
94 /* radeon gpio-based i2c
95 * 1. "mask" reg and bits
96 * grabs the gpio pins for software use
101 * 3. "en" reg and bits
102 * sets the pin direction
104 * 4. "y" reg and bits
108 struct radeon_i2c_bus_rec {
110 /* id used by atom */
112 /* can be used with hw i2c engine */
114 /* uses multi-media i2c engine */
117 uint32_t mask_clk_reg;
118 uint32_t mask_data_reg;
122 uint32_t en_data_reg;
125 uint32_t mask_clk_mask;
126 uint32_t mask_data_mask;
128 uint32_t a_data_mask;
129 uint32_t en_clk_mask;
130 uint32_t en_data_mask;
132 uint32_t y_data_mask;
135 struct radeon_tmds_pll {
140 #define RADEON_MAX_BIOS_CONNECTOR 16
142 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
143 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
144 #define RADEON_PLL_USE_REF_DIV (1 << 2)
145 #define RADEON_PLL_LEGACY (1 << 3)
146 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
147 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
148 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
149 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
150 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
151 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
152 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
153 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
156 uint16_t reference_freq;
157 uint16_t reference_div;
160 uint32_t pll_out_min;
161 uint32_t pll_out_max;
164 uint32_t min_ref_div;
165 uint32_t max_ref_div;
166 uint32_t min_post_div;
167 uint32_t max_post_div;
168 uint32_t min_feedback_div;
169 uint32_t max_feedback_div;
170 uint32_t min_frac_feedback_div;
171 uint32_t max_frac_feedback_div;
175 struct radeon_i2c_chan {
176 struct i2c_adapter adapter;
177 struct drm_device *dev;
179 struct i2c_algo_dp_aux_data dp;
180 struct i2c_algo_bit_data bit;
182 struct radeon_i2c_bus_rec rec;
185 /* mostly for macs, but really any system without connector tables */
186 enum radeon_connector_table {
190 CT_POWERBOOK_EXTERNAL,
191 CT_POWERBOOK_INTERNAL,
199 enum radeon_dvo_chip {
204 struct radeon_mode_info {
205 struct atom_context *atom_context;
206 struct card_info *atom_card_info;
207 enum radeon_connector_table connector_table;
208 bool mode_config_initialized;
209 struct radeon_crtc *crtcs[2];
210 /* DVI-I properties */
211 struct drm_property *coherent_mode_property;
212 /* DAC enable load detect */
213 struct drm_property *load_detect_property;
214 /* TV standard load detect */
215 struct drm_property *tv_std_property;
216 /* legacy TMDS PLL detect */
217 struct drm_property *tmds_pll_property;
221 #define MAX_H_CODE_TIMING_LEN 32
222 #define MAX_V_CODE_TIMING_LEN 32
224 /* need to store these as reading
225 back code tables is excessive */
226 struct radeon_tv_regs {
228 uint32_t timing_cntl;
232 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
233 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
237 struct drm_crtc base;
239 u16 lut_r[256], lut_g[256], lut_b[256];
242 uint32_t crtc_offset;
243 struct drm_gem_object *cursor_bo;
244 uint64_t cursor_addr;
247 uint32_t legacy_display_base_addr;
248 uint32_t legacy_cursor_offset;
249 enum radeon_rmx_type rmx_type;
252 struct drm_display_mode native_mode;
255 struct radeon_encoder_primary_dac {
256 /* legacy primary dac */
257 uint32_t ps2_pdac_adj;
260 struct radeon_encoder_lvds {
262 uint16_t panel_vcc_delay;
263 uint8_t panel_pwr_delay;
264 uint8_t panel_digon_delay;
265 uint8_t panel_blon_delay;
266 uint16_t panel_ref_divider;
267 uint8_t panel_post_divider;
268 uint16_t panel_fb_divider;
269 bool use_bios_dividers;
270 uint32_t lvds_gen_cntl;
272 struct drm_display_mode native_mode;
275 struct radeon_encoder_tv_dac {
277 uint32_t ps2_tvdac_adj;
278 uint32_t ntsc_tvdac_adj;
279 uint32_t pal_tvdac_adj;
284 int supported_tv_stds;
286 enum radeon_tv_std tv_std;
287 struct radeon_tv_regs tv;
290 struct radeon_encoder_int_tmds {
291 /* legacy int tmds */
292 struct radeon_tmds_pll tmds_pll[4];
295 struct radeon_encoder_ext_tmds {
297 struct radeon_i2c_chan *i2c_bus;
299 enum radeon_dvo_chip dvo_chip;
302 /* spread spectrum */
303 struct radeon_atom_ss {
312 struct radeon_encoder_atom_dig {
318 uint16_t panel_pwr_delay;
319 struct radeon_atom_ss *ss;
321 struct drm_display_mode native_mode;
324 struct radeon_encoder_atom_dac {
325 enum radeon_tv_std tv_std;
328 struct radeon_encoder {
329 struct drm_encoder base;
332 uint32_t active_device;
334 uint32_t pixel_clock;
335 enum radeon_rmx_type rmx_type;
336 struct drm_display_mode native_mode;
339 int hdmi_audio_workaround;
340 int hdmi_buffer_status;
343 struct radeon_connector_atom_dig {
344 uint32_t igp_lane_info;
347 struct radeon_i2c_chan *dp_i2c_bus;
354 struct radeon_gpio_rec {
372 enum radeon_hpd_id hpd;
374 struct radeon_gpio_rec gpio;
377 struct radeon_connector {
378 struct drm_connector base;
379 uint32_t connector_id;
381 struct radeon_i2c_chan *ddc_bus;
382 /* some systems have a an hdmi and vga port with a shared ddc line */
385 /* we need to mind the EDID between detect
386 and get modes due to analog/digital/tvencoder */
389 bool dac_load_detect;
390 uint16_t connector_object_id;
391 struct radeon_hpd hpd;
394 struct radeon_framebuffer {
395 struct drm_framebuffer base;
396 struct drm_gem_object *obj;
399 extern enum radeon_tv_std
400 radeon_combios_get_tv_info(struct radeon_device *rdev);
401 extern enum radeon_tv_std
402 radeon_atombios_get_tv_info(struct radeon_device *rdev);
404 extern void radeon_connector_hotplug(struct drm_connector *connector);
405 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
406 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
407 struct drm_display_mode *mode);
408 extern void radeon_dp_set_link_config(struct drm_connector *connector,
409 struct drm_display_mode *mode);
410 extern void dp_link_train(struct drm_encoder *encoder,
411 struct drm_connector *connector);
412 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
413 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
414 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
415 int action, uint8_t lane_num,
417 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
418 uint8_t write_byte, uint8_t *read_byte);
420 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
421 struct radeon_i2c_bus_rec *rec,
423 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
424 struct radeon_i2c_bus_rec *rec,
426 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
427 extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
431 extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
435 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
436 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
438 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
440 extern void radeon_compute_pll(struct radeon_pll *pll,
442 uint32_t *dot_clock_p,
444 uint32_t *frac_fb_div_p,
446 uint32_t *post_div_p,
449 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
451 uint32_t *dot_clock_p,
453 uint32_t *frac_fb_div_p,
455 uint32_t *post_div_p,
458 extern void radeon_setup_encoder_clones(struct drm_device *dev);
460 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
461 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
462 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
463 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
464 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
465 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
466 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
467 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
468 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
470 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
471 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
472 struct drm_framebuffer *old_fb);
473 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
474 struct drm_display_mode *mode,
475 struct drm_display_mode *adjusted_mode,
477 struct drm_framebuffer *old_fb);
478 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
480 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
481 struct drm_framebuffer *old_fb);
482 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
484 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
485 struct drm_file *file_priv,
489 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
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);
550 extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
552 void radeon_get_clock_info(struct drm_device *dev);
554 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
555 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
557 void radeon_enc_destroy(struct drm_encoder *encoder);
558 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
559 void radeon_combios_asic_init(struct drm_device *dev);
560 extern int radeon_static_clocks_init(struct drm_device *dev);
561 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
562 struct drm_display_mode *mode,
563 struct drm_display_mode *adjusted_mode);
564 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
567 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
568 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
569 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
570 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
571 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
572 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
573 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
574 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
575 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
576 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
577 struct drm_display_mode *mode,
578 struct drm_display_mode *adjusted_mode);