drivers/gpu/drm/radeon/radeon_mode.h

   1 /*
   2  * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
   3  *                VA Linux Systems Inc., Fremont, California.
   4  * Copyright 2008 Red Hat Inc.
   5  *
   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:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  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.
  23  *
  24  * Original Authors:
  25  *   Kevin E. Martin, Rickard E. Faith, Alan Hourihane
  26  *
  27  * Kernel port Author: Dave Airlie
  28  */
  29
  30 #ifndef RADEON_MODE_H
  31 #define RADEON_MODE_H
  32
  33 #include <drm_crtc.h>
  34 #include <drm_mode.h>
  35 #include <drm_edid.h>
  36 #include <linux/i2c.h>
  37 #include <linux/i2c-id.h>
  38 #include <linux/i2c-algo-bit.h>
  39 #include "radeon_fixed.h"
  40
  41 struct radeon_device;
  42
  43 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
  44 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
  45 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
  46 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
  47
  48 enum radeon_connector_type {
  49         CONNECTOR_NONE,
  50         CONNECTOR_VGA,
  51         CONNECTOR_DVI_I,
  52         CONNECTOR_DVI_D,
  53         CONNECTOR_DVI_A,
  54         CONNECTOR_STV,
  55         CONNECTOR_CTV,
  56         CONNECTOR_LVDS,
  57         CONNECTOR_DIGITAL,
  58         CONNECTOR_SCART,
  59         CONNECTOR_HDMI_TYPE_A,
  60         CONNECTOR_HDMI_TYPE_B,
  61         CONNECTOR_0XC,
  62         CONNECTOR_0XD,
  63         CONNECTOR_DIN,
  64         CONNECTOR_DISPLAY_PORT,
  65         CONNECTOR_UNSUPPORTED
  66 };
  67
  68 enum radeon_dvi_type {
  69         DVI_AUTO,
  70         DVI_DIGITAL,
  71         DVI_ANALOG
  72 };
  73
  74 enum radeon_rmx_type {
  75         RMX_OFF,
  76         RMX_FULL,
  77         RMX_CENTER,
  78         RMX_ASPECT
  79 };
  80
  81 enum radeon_tv_std {
  82         TV_STD_NTSC,
  83         TV_STD_PAL,
  84         TV_STD_PAL_M,
  85         TV_STD_PAL_60,
  86         TV_STD_NTSC_J,
  87         TV_STD_SCART_PAL,
  88         TV_STD_SECAM,
  89         TV_STD_PAL_CN,
  90 };
  91
  92 struct radeon_i2c_bus_rec {
  93         bool valid;
  94         uint32_t mask_clk_reg;
  95         uint32_t mask_data_reg;
  96         uint32_t a_clk_reg;
  97         uint32_t a_data_reg;
  98         uint32_t put_clk_reg;
  99         uint32_t put_data_reg;
 100         uint32_t get_clk_reg;
 101         uint32_t get_data_reg;
 102         uint32_t mask_clk_mask;
 103         uint32_t mask_data_mask;
 104         uint32_t put_clk_mask;
 105         uint32_t put_data_mask;
 106         uint32_t get_clk_mask;
 107         uint32_t get_data_mask;
 108         uint32_t a_clk_mask;
 109         uint32_t a_data_mask;
 110 };
 111
 112 struct radeon_tmds_pll {
 113     uint32_t freq;
 114     uint32_t value;
 115 };
 116
 117 #define RADEON_MAX_BIOS_CONNECTOR 16
 118
 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
 132 struct radeon_pll {
 133         uint16_t reference_freq;
 134         uint16_t reference_div;
 135         uint32_t pll_in_min;
 136         uint32_t pll_in_max;
 137         uint32_t pll_out_min;
 138         uint32_t pll_out_max;
 139         uint16_t xclk;
 140
 141         uint32_t min_ref_div;
 142         uint32_t max_ref_div;
 143         uint32_t min_post_div;
 144         uint32_t max_post_div;
 145         uint32_t min_feedback_div;
 146         uint32_t max_feedback_div;
 147         uint32_t min_frac_feedback_div;
 148         uint32_t max_frac_feedback_div;
 149         uint32_t best_vco;
 150 };
 151
 152 struct radeon_i2c_chan {
 153         struct drm_device *dev;
 154         struct i2c_adapter adapter;
 155         struct i2c_algo_bit_data algo;
 156         struct radeon_i2c_bus_rec rec;
 157 };
 158
 159 /* mostly for macs, but really any system without connector tables */
 160 enum radeon_connector_table {
 161         CT_NONE,
 162         CT_GENERIC,
 163         CT_IBOOK,
 164         CT_POWERBOOK_EXTERNAL,
 165         CT_POWERBOOK_INTERNAL,
 166         CT_POWERBOOK_VGA,
 167         CT_MINI_EXTERNAL,
 168         CT_MINI_INTERNAL,
 169         CT_IMAC_G5_ISIGHT,
 170         CT_EMAC,
 171 };
 172
 173 struct radeon_mode_info {
 174         struct atom_context *atom_context;
 175         struct card_info *atom_card_info;
 176         enum radeon_connector_table connector_table;
 177         bool mode_config_initialized;
 178         struct radeon_crtc *crtcs[2];
 179         /* DVI-I properties */
 180         struct drm_property *coherent_mode_property;
 181         /* DAC enable load detect */
 182         struct drm_property *load_detect_property;
 183         /* TV standard load detect */
 184         struct drm_property *tv_std_property;
 185         /* legacy TMDS PLL detect */
 186         struct drm_property *tmds_pll_property;
 187
 188 };
 189
 190 #define MAX_H_CODE_TIMING_LEN 32
 191 #define MAX_V_CODE_TIMING_LEN 32
 192
 193 /* need to store these as reading
 194    back code tables is excessive */
 195 struct radeon_tv_regs {
 196         uint32_t tv_uv_adr;
 197         uint32_t timing_cntl;
 198         uint32_t hrestart;
 199         uint32_t vrestart;
 200         uint32_t frestart;
 201         uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];
 202         uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];
 203 };
 204
 205 struct radeon_crtc {
 206         struct drm_crtc base;
 207         int crtc_id;
 208         u16 lut_r[256], lut_g[256], lut_b[256];
 209         bool enabled;
 210         bool can_tile;
 211         uint32_t crtc_offset;
 212         struct drm_gem_object *cursor_bo;
 213         uint64_t cursor_addr;
 214         int cursor_width;
 215         int cursor_height;
 216         uint32_t legacy_display_base_addr;
 217         uint32_t legacy_cursor_offset;
 218         enum radeon_rmx_type rmx_type;
 219         fixed20_12 vsc;
 220         fixed20_12 hsc;
 221         struct drm_display_mode native_mode;
 222 };
 223
 224 struct radeon_encoder_primary_dac {
 225         /* legacy primary dac */
 226         uint32_t ps2_pdac_adj;
 227 };
 228
 229 struct radeon_encoder_lvds {
 230         /* legacy lvds */
 231         uint16_t panel_vcc_delay;
 232         uint8_t  panel_pwr_delay;
 233         uint8_t  panel_digon_delay;
 234         uint8_t  panel_blon_delay;
 235         uint16_t panel_ref_divider;
 236         uint8_t  panel_post_divider;
 237         uint16_t panel_fb_divider;
 238         bool     use_bios_dividers;
 239         uint32_t lvds_gen_cntl;
 240         /* panel mode */
 241         struct drm_display_mode native_mode;
 242 };
 243
 244 struct radeon_encoder_tv_dac {
 245         /* legacy tv dac */
 246         uint32_t ps2_tvdac_adj;
 247         uint32_t ntsc_tvdac_adj;
 248         uint32_t pal_tvdac_adj;
 249
 250         int               h_pos;
 251         int               v_pos;
 252         int               h_size;
 253         int               supported_tv_stds;
 254         bool              tv_on;
 255         enum radeon_tv_std tv_std;
 256         struct radeon_tv_regs tv;
 257 };
 258
 259 struct radeon_encoder_int_tmds {
 260         /* legacy int tmds */
 261         struct radeon_tmds_pll tmds_pll[4];
 262 };
 263
 264 /* spread spectrum */
 265 struct radeon_atom_ss {
 266         uint16_t percentage;
 267         uint8_t type;
 268         uint8_t step;
 269         uint8_t delay;
 270         uint8_t range;
 271         uint8_t refdiv;
 272 };
 273
 274 struct radeon_encoder_atom_dig {
 275         /* atom dig */
 276         bool coherent_mode;
 277         int dig_block;
 278         /* atom lvds */
 279         uint32_t lvds_misc;
 280         uint16_t panel_pwr_delay;
 281         struct radeon_atom_ss *ss;
 282         /* panel mode */
 283         struct drm_display_mode native_mode;
 284 };
 285
 286 struct radeon_encoder_atom_dac {
 287         enum radeon_tv_std tv_std;
 288 };
 289
 290 struct radeon_encoder {
 291         struct drm_encoder base;
 292         uint32_t encoder_id;
 293         uint32_t devices;
 294         uint32_t active_device;
 295         uint32_t flags;
 296         uint32_t pixel_clock;
 297         enum radeon_rmx_type rmx_type;
 298         struct drm_display_mode native_mode;
 299         void *enc_priv;
 300 };
 301
 302 struct radeon_connector_atom_dig {
 303         uint32_t igp_lane_info;
 304         bool linkb;
 305 };
 306
 307 struct radeon_connector {
 308         struct drm_connector base;
 309         uint32_t connector_id;
 310         uint32_t devices;
 311         struct radeon_i2c_chan *ddc_bus;
 312         /* some systems have a an hdmi and vga port with a shared ddc line */
 313         bool shared_ddc;
 314         bool use_digital;
 315         /* we need to mind the EDID between detect
 316            and get modes due to analog/digital/tvencoder */
 317         struct edid *edid;
 318         void *con_priv;
 319         bool dac_load_detect;
 320         uint16_t connector_object_id;
 321 };
 322
 323 struct radeon_framebuffer {
 324         struct drm_framebuffer base;
 325         struct drm_gem_object *obj;
 326 };
 327
 328 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
 329                                                  struct radeon_i2c_bus_rec *rec,
 330                                                  const char *name);
 331 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
 332 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
 333 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
 334
 335 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
 336
 337 extern void radeon_compute_pll(struct radeon_pll *pll,
 338                                uint64_t freq,
 339                                uint32_t *dot_clock_p,
 340                                uint32_t *fb_div_p,
 341                                uint32_t *frac_fb_div_p,
 342                                uint32_t *ref_div_p,
 343                                uint32_t *post_div_p,
 344                                int flags);
 345
 346 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
 347 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
 348 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
 349 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
 350 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
 351 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
 352 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
 353 extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);
 354
 355 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
 356 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 357                                    struct drm_framebuffer *old_fb);
 358 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
 359                                    struct drm_display_mode *mode,
 360                                    struct drm_display_mode *adjusted_mode,
 361                                    int x, int y,
 362                                    struct drm_framebuffer *old_fb);
 363 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
 364
 365 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 366                                  struct drm_framebuffer *old_fb);
 367 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
 368
 369 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 370                                   struct drm_file *file_priv,
 371                                   uint32_t handle,
 372                                   uint32_t width,
 373                                   uint32_t height);
 374 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 375                                    int x, int y);
 376
 377 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
 378 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
 379 extern struct radeon_encoder_atom_dig *
 380 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
 381 bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
 382                                    struct radeon_encoder_int_tmds *tmds);
 383 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
 384                                            struct radeon_encoder_int_tmds *tmds);
 385 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
 386                                             struct radeon_encoder_int_tmds *tmds);
 387 extern struct radeon_encoder_primary_dac *
 388 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
 389 extern struct radeon_encoder_tv_dac *
 390 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
 391 extern struct radeon_encoder_lvds *
 392 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
 393 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
 394 extern struct radeon_encoder_tv_dac *
 395 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
 396 extern struct radeon_encoder_primary_dac *
 397 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
 398 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
 399 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
 400 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
 401 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
 402 extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);
 403 extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);
 404 extern void
 405 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
 406 extern void
 407 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
 408 extern void
 409 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
 410 extern void
 411 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
 412 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 413                                      u16 blue, int regno);
 414 extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 415                                      u16 *blue, int regno);
 416 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
 417                                                   struct drm_mode_fb_cmd *mode_cmd,
 418                                                   struct drm_gem_object *obj);
 419
 420 int radeonfb_probe(struct drm_device *dev);
 421
 422 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 423 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
 424 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
 425 void radeon_atombios_init_crtc(struct drm_device *dev,
 426                                struct radeon_crtc *radeon_crtc);
 427 void radeon_legacy_init_crtc(struct drm_device *dev,
 428                              struct radeon_crtc *radeon_crtc);
 429 void radeon_i2c_do_lock(struct radeon_connector *radeon_connector, int lock_state);
 430
 431 void radeon_get_clock_info(struct drm_device *dev);
 432
 433 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
 434 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
 435
 436 void radeon_rmx_mode_fixup(struct drm_encoder *encoder,
 437                            struct drm_display_mode *mode,
 438                            struct drm_display_mode *adjusted_mode);
 439 void radeon_enc_destroy(struct drm_encoder *encoder);
 440 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
 441 void radeon_combios_asic_init(struct drm_device *dev);
 442 extern int radeon_static_clocks_init(struct drm_device *dev);
 443 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
 444                                         struct drm_display_mode *mode,
 445                                         struct drm_display_mode *adjusted_mode);
 446 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
 447
 448 /* legacy tv */
 449 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,
 450                                       uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,
 451                                       uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);
 452 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,
 453                                   uint32_t *htotal_cntl, uint32_t *ppll_ref_div,
 454                                   uint32_t *ppll_div_3, uint32_t *pixclks_cntl);
 455 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,
 456                                   uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,
 457                                   uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);
 458 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
 459                                struct drm_display_mode *mode,
 460                                struct drm_display_mode *adjusted_mode);
 461 #endif