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)
128 #define RADEON_PLL_USE_POST_DIV (1 << 12)
131 /* reference frequency */
132 uint32_t reference_freq;
135 uint32_t reference_div;
138 /* pll in/out limits */
141 uint32_t pll_out_min;
142 uint32_t pll_out_max;
146 uint32_t min_ref_div;
147 uint32_t max_ref_div;
148 uint32_t min_post_div;
149 uint32_t max_post_div;
150 uint32_t min_feedback_div;
151 uint32_t max_feedback_div;
152 uint32_t min_frac_feedback_div;
153 uint32_t max_frac_feedback_div;
155 /* flags for the current clock */
162 struct radeon_i2c_chan {
163 struct i2c_adapter adapter;
164 struct drm_device *dev;
166 struct i2c_algo_dp_aux_data dp;
167 struct i2c_algo_bit_data bit;
169 struct radeon_i2c_bus_rec rec;
172 /* mostly for macs, but really any system without connector tables */
173 enum radeon_connector_table {
177 CT_POWERBOOK_EXTERNAL,
178 CT_POWERBOOK_INTERNAL,
186 enum radeon_dvo_chip {
191 struct radeon_mode_info {
192 struct atom_context *atom_context;
193 struct card_info *atom_card_info;
194 enum radeon_connector_table connector_table;
195 bool mode_config_initialized;
196 struct radeon_crtc *crtcs[2];
197 /* DVI-I properties */
198 struct drm_property *coherent_mode_property;
199 /* DAC enable load detect */
200 struct drm_property *load_detect_property;
201 /* TV standard load detect */
202 struct drm_property *tv_std_property;
203 /* legacy TMDS PLL detect */
204 struct drm_property *tmds_pll_property;
208 #define MAX_H_CODE_TIMING_LEN 32
209 #define MAX_V_CODE_TIMING_LEN 32
211 /* need to store these as reading
212 back code tables is excessive */
213 struct radeon_tv_regs {
215 uint32_t timing_cntl;
219 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
220 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
224 struct drm_crtc base;
226 u16 lut_r[256], lut_g[256], lut_b[256];
229 uint32_t crtc_offset;
230 struct drm_gem_object *cursor_bo;
231 uint64_t cursor_addr;
234 uint32_t legacy_display_base_addr;
235 uint32_t legacy_cursor_offset;
236 enum radeon_rmx_type rmx_type;
239 struct drm_display_mode native_mode;
242 struct radeon_encoder_primary_dac {
243 /* legacy primary dac */
244 uint32_t ps2_pdac_adj;
247 struct radeon_encoder_lvds {
249 uint16_t panel_vcc_delay;
250 uint8_t panel_pwr_delay;
251 uint8_t panel_digon_delay;
252 uint8_t panel_blon_delay;
253 uint16_t panel_ref_divider;
254 uint8_t panel_post_divider;
255 uint16_t panel_fb_divider;
256 bool use_bios_dividers;
257 uint32_t lvds_gen_cntl;
259 struct drm_display_mode native_mode;
262 struct radeon_encoder_tv_dac {
264 uint32_t ps2_tvdac_adj;
265 uint32_t ntsc_tvdac_adj;
266 uint32_t pal_tvdac_adj;
271 int supported_tv_stds;
273 enum radeon_tv_std tv_std;
274 struct radeon_tv_regs tv;
277 struct radeon_encoder_int_tmds {
278 /* legacy int tmds */
279 struct radeon_tmds_pll tmds_pll[4];
282 struct radeon_encoder_ext_tmds {
284 struct radeon_i2c_chan *i2c_bus;
286 enum radeon_dvo_chip dvo_chip;
289 /* spread spectrum */
290 struct radeon_atom_ss {
299 struct radeon_encoder_atom_dig {
302 int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */
305 uint16_t panel_pwr_delay;
306 struct radeon_atom_ss *ss;
308 struct drm_display_mode native_mode;
311 struct radeon_encoder_atom_dac {
312 enum radeon_tv_std tv_std;
315 struct radeon_encoder {
316 struct drm_encoder base;
319 uint32_t active_device;
321 uint32_t pixel_clock;
322 enum radeon_rmx_type rmx_type;
323 struct drm_display_mode native_mode;
326 int hdmi_audio_workaround;
327 int hdmi_buffer_status;
330 struct radeon_connector_atom_dig {
331 uint32_t igp_lane_info;
334 struct radeon_i2c_chan *dp_i2c_bus;
341 struct radeon_gpio_rec {
359 enum radeon_hpd_id hpd;
361 struct radeon_gpio_rec gpio;
364 struct radeon_connector {
365 struct drm_connector base;
366 uint32_t connector_id;
368 struct radeon_i2c_chan *ddc_bus;
369 /* some systems have a an hdmi and vga port with a shared ddc line */
372 /* we need to mind the EDID between detect
373 and get modes due to analog/digital/tvencoder */
376 bool dac_load_detect;
377 uint16_t connector_object_id;
378 struct radeon_hpd hpd;
381 struct radeon_framebuffer {
382 struct drm_framebuffer base;
383 struct drm_gem_object *obj;
386 extern enum radeon_tv_std
387 radeon_combios_get_tv_info(struct radeon_device *rdev);
388 extern enum radeon_tv_std
389 radeon_atombios_get_tv_info(struct radeon_device *rdev);
391 extern void radeon_connector_hotplug(struct drm_connector *connector);
392 extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);
393 extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,
394 struct drm_display_mode *mode);
395 extern void radeon_dp_set_link_config(struct drm_connector *connector,
396 struct drm_display_mode *mode);
397 extern void dp_link_train(struct drm_encoder *encoder,
398 struct drm_connector *connector);
399 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
400 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
401 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
402 int action, uint8_t lane_num,
404 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
405 uint8_t write_byte, uint8_t *read_byte);
407 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
408 struct radeon_i2c_bus_rec *rec,
410 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
411 struct radeon_i2c_bus_rec *rec,
413 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
414 extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
418 extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
422 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
423 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
425 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
427 extern void radeon_compute_pll(struct radeon_pll *pll,
429 uint32_t *dot_clock_p,
431 uint32_t *frac_fb_div_p,
433 uint32_t *post_div_p);
435 extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
437 uint32_t *dot_clock_p,
439 uint32_t *frac_fb_div_p,
441 uint32_t *post_div_p);
443 extern void radeon_setup_encoder_clones(struct drm_device *dev);
445 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
446 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
447 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
448 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
449 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
450 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
451 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
452 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
453 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
455 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
456 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
457 struct drm_framebuffer *old_fb);
458 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
459 struct drm_display_mode *mode,
460 struct drm_display_mode *adjusted_mode,
462 struct drm_framebuffer *old_fb);
463 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
465 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
466 struct drm_framebuffer *old_fb);
468 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
469 struct drm_file *file_priv,
473 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
476 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
477 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
478 extern struct radeon_encoder_atom_dig *
479 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
480 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
481 struct radeon_encoder_int_tmds *tmds);
482 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
483 struct radeon_encoder_int_tmds *tmds);
484 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
485 struct radeon_encoder_int_tmds *tmds);
486 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
487 struct radeon_encoder_ext_tmds *tmds);
488 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
489 struct radeon_encoder_ext_tmds *tmds);
490 extern struct radeon_encoder_primary_dac *
491 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
492 extern struct radeon_encoder_tv_dac *
493 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
494 extern struct radeon_encoder_lvds *
495 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
496 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
497 extern struct radeon_encoder_tv_dac *
498 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
499 extern struct radeon_encoder_primary_dac *
500 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
501 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
502 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
503 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
504 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
505 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
506 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
507 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
508 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
510 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
512 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
514 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
516 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
517 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
518 u16 blue, int regno);
519 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
520 u16 *blue, int regno);
521 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
522 struct drm_mode_fb_cmd *mode_cmd,
523 struct drm_gem_object *obj);
525 int radeonfb_probe(struct drm_device *dev);
527 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
528 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
529 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
530 void radeon_atombios_init_crtc(struct drm_device *dev,
531 struct radeon_crtc *radeon_crtc);
532 void radeon_legacy_init_crtc(struct drm_device *dev,
533 struct radeon_crtc *radeon_crtc);
534 extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
536 void radeon_get_clock_info(struct drm_device *dev);
538 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
539 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
541 void radeon_enc_destroy(struct drm_encoder *encoder);
542 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
543 void radeon_combios_asic_init(struct drm_device *dev);
544 extern int radeon_static_clocks_init(struct drm_device *dev);
545 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
546 struct drm_display_mode *mode,
547 struct drm_display_mode *adjusted_mode);
548 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
551 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
552 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
553 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
554 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
555 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
556 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
557 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
558 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
559 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
560 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
561 struct drm_display_mode *mode,
562 struct drm_display_mode *adjusted_mode);