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         enum radeon_connector_table connector_table;
 176         bool mode_config_initialized;
 177         struct radeon_crtc *crtcs[2];
 178 };
 179
 180 struct radeon_native_mode {
 181         /* preferred mode */
 182         uint32_t panel_xres, panel_yres;
 183         uint32_t hoverplus, hsync_width;
 184         uint32_t hblank;
 185         uint32_t voverplus, vsync_width;
 186         uint32_t vblank;
 187         uint32_t dotclock;
 188         uint32_t flags;
 189 };
 190
 191 struct radeon_crtc {
 192         struct drm_crtc base;
 193         int crtc_id;
 194         u16 lut_r[256], lut_g[256], lut_b[256];
 195         bool enabled;
 196         bool can_tile;
 197         uint32_t crtc_offset;
 198         struct radeon_framebuffer *fbdev_fb;
 199         struct drm_mode_set mode_set;
 200         struct drm_gem_object *cursor_bo;
 201         uint64_t cursor_addr;
 202         int cursor_width;
 203         int cursor_height;
 204         uint32_t legacy_display_base_addr;
 205         uint32_t legacy_cursor_offset;
 206         enum radeon_rmx_type rmx_type;
 207         uint32_t devices;
 208         fixed20_12 vsc;
 209         fixed20_12 hsc;
 210         struct radeon_native_mode native_mode;
 211 };
 212
 213 struct radeon_encoder_primary_dac {
 214         /* legacy primary dac */
 215         uint32_t ps2_pdac_adj;
 216 };
 217
 218 struct radeon_encoder_lvds {
 219         /* legacy lvds */
 220         uint16_t panel_vcc_delay;
 221         uint8_t  panel_pwr_delay;
 222         uint8_t  panel_digon_delay;
 223         uint8_t  panel_blon_delay;
 224         uint16_t panel_ref_divider;
 225         uint8_t  panel_post_divider;
 226         uint16_t panel_fb_divider;
 227         bool     use_bios_dividers;
 228         uint32_t lvds_gen_cntl;
 229         /* panel mode */
 230         struct radeon_native_mode native_mode;
 231 };
 232
 233 struct radeon_encoder_tv_dac {
 234         /* legacy tv dac */
 235         uint32_t ps2_tvdac_adj;
 236         uint32_t ntsc_tvdac_adj;
 237         uint32_t pal_tvdac_adj;
 238
 239         enum radeon_tv_std tv_std;
 240 };
 241
 242 struct radeon_encoder_int_tmds {
 243         /* legacy int tmds */
 244         struct radeon_tmds_pll tmds_pll[4];
 245 };
 246
 247 struct radeon_encoder_atom_dig {
 248         /* atom dig */
 249         bool coherent_mode;
 250         int dig_block;
 251         /* atom lvds */
 252         uint32_t lvds_misc;
 253         uint16_t panel_pwr_delay;
 254         /* panel mode */
 255         struct radeon_native_mode native_mode;
 256 };
 257
 258 struct radeon_encoder {
 259         struct drm_encoder base;
 260         uint32_t encoder_id;
 261         uint32_t devices;
 262         uint32_t flags;
 263         uint32_t pixel_clock;
 264         enum radeon_rmx_type rmx_type;
 265         struct radeon_native_mode native_mode;
 266         void *enc_priv;
 267 };
 268
 269 struct radeon_connector_atom_dig {
 270         uint32_t igp_lane_info;
 271         bool linkb;
 272 };
 273
 274 struct radeon_connector {
 275         struct drm_connector base;
 276         uint32_t connector_id;
 277         uint32_t devices;
 278         struct radeon_i2c_chan *ddc_bus;
 279         int use_digital;
 280         void *con_priv;
 281 };
 282
 283 struct radeon_framebuffer {
 284         struct drm_framebuffer base;
 285         struct drm_gem_object *obj;
 286 };
 287
 288 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
 289                                                  struct radeon_i2c_bus_rec *rec,
 290                                                  const char *name);
 291 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
 292 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
 293 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
 294
 295 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
 296
 297 extern void radeon_compute_pll(struct radeon_pll *pll,
 298                                uint64_t freq,
 299                                uint32_t *dot_clock_p,
 300                                uint32_t *fb_div_p,
 301                                uint32_t *frac_fb_div_p,
 302                                uint32_t *ref_div_p,
 303                                uint32_t *post_div_p,
 304                                int flags);
 305
 306 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
 307 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
 308 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
 309 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
 310 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
 311 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
 312 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
 313
 314 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
 315 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 316                                    struct drm_framebuffer *old_fb);
 317 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
 318                                    struct drm_display_mode *mode,
 319                                    struct drm_display_mode *adjusted_mode,
 320                                    int x, int y,
 321                                    struct drm_framebuffer *old_fb);
 322 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
 323
 324 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 325                                  struct drm_framebuffer *old_fb);
 326 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
 327
 328 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 329                                   struct drm_file *file_priv,
 330                                   uint32_t handle,
 331                                   uint32_t width,
 332                                   uint32_t height);
 333 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 334                                    int x, int y);
 335
 336 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
 337 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
 338 extern struct radeon_encoder_atom_dig *
 339 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
 340 extern struct radeon_encoder_int_tmds *
 341 radeon_atombios_get_tmds_info(struct radeon_encoder *encoder);
 342 extern struct radeon_encoder_primary_dac *
 343 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
 344 extern struct radeon_encoder_tv_dac *
 345 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
 346 extern struct radeon_encoder_lvds *
 347 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
 348 extern struct radeon_encoder_int_tmds *
 349 radeon_combios_get_tmds_info(struct radeon_encoder *encoder);
 350 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
 351 extern struct radeon_encoder_tv_dac *
 352 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
 353 extern struct radeon_encoder_primary_dac *
 354 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
 355 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
 356 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
 357 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
 358 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
 359 extern void
 360 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
 361 extern void
 362 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
 363 extern void
 364 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
 365 extern void
 366 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
 367 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 368                                      u16 blue, int regno);
 369 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
 370                                                   struct drm_mode_fb_cmd *mode_cmd,
 371                                                   struct drm_gem_object *obj);
 372
 373 int radeonfb_probe(struct drm_device *dev);
 374
 375 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 376 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
 377 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
 378 void radeon_atombios_init_crtc(struct drm_device *dev,
 379                                struct radeon_crtc *radeon_crtc);
 380 void radeon_legacy_init_crtc(struct drm_device *dev,
 381                              struct radeon_crtc *radeon_crtc);
 382 void radeon_i2c_do_lock(struct radeon_connector *radeon_connector, int lock_state);
 383
 384 void radeon_get_clock_info(struct drm_device *dev);
 385
 386 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
 387 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
 388
 389 void radeon_rmx_mode_fixup(struct drm_encoder *encoder,
 390                            struct drm_display_mode *mode,
 391                            struct drm_display_mode *adjusted_mode);
 392 void radeon_enc_destroy(struct drm_encoder *encoder);
 393 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
 394 void radeon_combios_asic_init(struct drm_device *dev);
 395 extern int radeon_static_clocks_init(struct drm_device *dev);
 396 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
 397                                         struct drm_display_mode *mode,
 398                                         struct drm_display_mode *adjusted_mode);
 399 void atom_rv515_force_tv_scaler(struct radeon_device *rdev);
 400
 401 #endif