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 {
93 /* radeon gpio-based i2c
94 * 1. "mask" reg and bits
95 * grabs the gpio pins for software use
100 * 3. "en" reg and bits
101 * sets the pin direction
103 * 4. "y" reg and bits
107 struct radeon_i2c_bus_rec {
109 uint32_t mask_clk_reg;
110 uint32_t mask_data_reg;
114 uint32_t en_data_reg;
117 uint32_t mask_clk_mask;
118 uint32_t mask_data_mask;
120 uint32_t a_data_mask;
121 uint32_t en_clk_mask;
122 uint32_t en_data_mask;
124 uint32_t y_data_mask;
127 struct radeon_tmds_pll {
132 #define RADEON_MAX_BIOS_CONNECTOR 16
134 #define RADEON_PLL_USE_BIOS_DIVS (1 << 0)
135 #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1)
136 #define RADEON_PLL_USE_REF_DIV (1 << 2)
137 #define RADEON_PLL_LEGACY (1 << 3)
138 #define RADEON_PLL_PREFER_LOW_REF_DIV (1 << 4)
139 #define RADEON_PLL_PREFER_HIGH_REF_DIV (1 << 5)
140 #define RADEON_PLL_PREFER_LOW_FB_DIV (1 << 6)
141 #define RADEON_PLL_PREFER_HIGH_FB_DIV (1 << 7)
142 #define RADEON_PLL_PREFER_LOW_POST_DIV (1 << 8)
143 #define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
144 #define RADEON_PLL_USE_FRAC_FB_DIV (1 << 10)
145 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
148 uint16_t reference_freq;
149 uint16_t reference_div;
152 uint32_t pll_out_min;
153 uint32_t pll_out_max;
156 uint32_t min_ref_div;
157 uint32_t max_ref_div;
158 uint32_t min_post_div;
159 uint32_t max_post_div;
160 uint32_t min_feedback_div;
161 uint32_t max_feedback_div;
162 uint32_t min_frac_feedback_div;
163 uint32_t max_frac_feedback_div;
167 struct radeon_i2c_chan {
168 struct i2c_adapter adapter;
169 struct drm_device *dev;
171 struct i2c_algo_dp_aux_data dp;
172 struct i2c_algo_bit_data bit;
174 struct radeon_i2c_bus_rec rec;
178 /* mostly for macs, but really any system without connector tables */
179 enum radeon_connector_table {
183 CT_POWERBOOK_EXTERNAL,
184 CT_POWERBOOK_INTERNAL,
192 enum radeon_dvo_chip {
197 struct radeon_mode_info {
198 struct atom_context *atom_context;
199 struct card_info *atom_card_info;
200 enum radeon_connector_table connector_table;
201 bool mode_config_initialized;
202 struct radeon_crtc *crtcs[2];
203 /* DVI-I properties */
204 struct drm_property *coherent_mode_property;
205 /* DAC enable load detect */
206 struct drm_property *load_detect_property;
207 /* TV standard load detect */
208 struct drm_property *tv_std_property;
209 /* legacy TMDS PLL detect */
210 struct drm_property *tmds_pll_property;
214 #define MAX_H_CODE_TIMING_LEN 32
215 #define MAX_V_CODE_TIMING_LEN 32
217 /* need to store these as reading
218 back code tables is excessive */
219 struct radeon_tv_regs {
221 uint32_t timing_cntl;
225 uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
226 uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
230 struct drm_crtc base;
232 u16 lut_r[256], lut_g[256], lut_b[256];
235 uint32_t crtc_offset;
236 struct drm_gem_object *cursor_bo;
237 uint64_t cursor_addr;
240 uint32_t legacy_display_base_addr;
241 uint32_t legacy_cursor_offset;
242 enum radeon_rmx_type rmx_type;
245 struct drm_display_mode native_mode;
248 struct radeon_encoder_primary_dac {
249 /* legacy primary dac */
250 uint32_t ps2_pdac_adj;
253 struct radeon_encoder_lvds {
255 uint16_t panel_vcc_delay;
256 uint8_t panel_pwr_delay;
257 uint8_t panel_digon_delay;
258 uint8_t panel_blon_delay;
259 uint16_t panel_ref_divider;
260 uint8_t panel_post_divider;
261 uint16_t panel_fb_divider;
262 bool use_bios_dividers;
263 uint32_t lvds_gen_cntl;
265 struct drm_display_mode native_mode;
268 struct radeon_encoder_tv_dac {
270 uint32_t ps2_tvdac_adj;
271 uint32_t ntsc_tvdac_adj;
272 uint32_t pal_tvdac_adj;
277 int supported_tv_stds;
279 enum radeon_tv_std tv_std;
280 struct radeon_tv_regs tv;
283 struct radeon_encoder_int_tmds {
284 /* legacy int tmds */
285 struct radeon_tmds_pll tmds_pll[4];
288 struct radeon_encoder_ext_tmds {
290 struct radeon_i2c_chan *i2c_bus;
292 enum radeon_dvo_chip dvo_chip;
295 /* spread spectrum */
296 struct radeon_atom_ss {
305 struct radeon_encoder_atom_dig {
311 uint16_t panel_pwr_delay;
312 struct radeon_atom_ss *ss;
314 struct drm_display_mode native_mode;
317 struct radeon_encoder_atom_dac {
318 enum radeon_tv_std tv_std;
321 struct radeon_encoder {
322 struct drm_encoder base;
325 uint32_t active_device;
327 uint32_t pixel_clock;
328 enum radeon_rmx_type rmx_type;
329 struct drm_display_mode native_mode;
333 struct radeon_connector_atom_dig {
334 uint32_t igp_lane_info;
337 struct radeon_i2c_chan *dp_i2c_bus;
341 struct radeon_connector {
342 struct drm_connector base;
343 uint32_t connector_id;
345 struct radeon_i2c_chan *ddc_bus;
346 /* some systems have a an hdmi and vga port with a shared ddc line */
349 /* we need to mind the EDID between detect
350 and get modes due to analog/digital/tvencoder */
353 bool dac_load_detect;
354 uint16_t connector_object_id;
355 /* need to keep this for display port */
359 struct radeon_framebuffer {
360 struct drm_framebuffer base;
361 struct drm_gem_object *obj;
364 extern int radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
365 extern void radeon_dp_getdpcp(struct radeon_connector *connector);
366 extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
367 uint8_t write_byte, uint8_t *read_byte);
369 extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
370 const char *name, bool dp, u8 i2c_id);
371 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
372 struct radeon_i2c_bus_rec *rec,
374 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
375 extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
379 extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
383 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
384 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
386 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
388 extern void radeon_compute_pll(struct radeon_pll *pll,
390 uint32_t *dot_clock_p,
392 uint32_t *frac_fb_div_p,
394 uint32_t *post_div_p,
397 extern void radeon_setup_encoder_clones(struct drm_device *dev);
399 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
400 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
401 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
402 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
403 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
404 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
405 extern void atombios_digital_setup(struct drm_encoder *encoder, int action);
406 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
407 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
409 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
410 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
411 struct drm_framebuffer *old_fb);
412 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
413 struct drm_display_mode *mode,
414 struct drm_display_mode *adjusted_mode,
416 struct drm_framebuffer *old_fb);
417 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
419 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
420 struct drm_framebuffer *old_fb);
421 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
423 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
424 struct drm_file *file_priv,
428 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
431 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
432 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
433 extern struct radeon_encoder_atom_dig *
434 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
435 extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
436 struct radeon_encoder_int_tmds *tmds);
437 extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
438 struct radeon_encoder_int_tmds *tmds);
439 extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
440 struct radeon_encoder_int_tmds *tmds);
441 extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
442 struct radeon_encoder_ext_tmds *tmds);
443 extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
444 struct radeon_encoder_ext_tmds *tmds);
445 extern struct radeon_encoder_primary_dac *
446 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
447 extern struct radeon_encoder_tv_dac *
448 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
449 extern struct radeon_encoder_lvds *
450 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
451 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
452 extern struct radeon_encoder_tv_dac *
453 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
454 extern struct radeon_encoder_primary_dac *
455 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
456 extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);
457 extern void radeon_external_tmds_setup(struct drm_encoder *encoder);
458 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
459 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
460 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
461 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
462 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
463 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
465 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
467 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
469 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
471 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
472 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
473 u16 blue, int regno);
474 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
475 u16 *blue, int regno);
476 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
477 struct drm_mode_fb_cmd *mode_cmd,
478 struct drm_gem_object *obj);
480 int radeonfb_probe(struct drm_device *dev);
482 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
483 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
484 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
485 void radeon_atombios_init_crtc(struct drm_device *dev,
486 struct radeon_crtc *radeon_crtc);
487 void radeon_legacy_init_crtc(struct drm_device *dev,
488 struct radeon_crtc *radeon_crtc);
489 extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
491 void radeon_get_clock_info(struct drm_device *dev);
493 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
494 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
496 void radeon_enc_destroy(struct drm_encoder *encoder);
497 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
498 void radeon_combios_asic_init(struct drm_device *dev);
499 extern int radeon_static_clocks_init(struct drm_device *dev);
500 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
501 struct drm_display_mode *mode,
502 struct drm_display_mode *adjusted_mode);
503 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
506 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
507 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
508 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
509 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
510 uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
511 uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
512 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
513 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
514 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
515 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
516 struct drm_display_mode *mode,
517 struct drm_display_mode *adjusted_mode);