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
  40 #define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)
  41 #define to_radeon_connector(x) container_of(x, struct radeon_connector, base)
  42 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
  43 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
  44
  45 enum radeon_connector_type {
  46         CONNECTOR_NONE,
  47         CONNECTOR_VGA,
  48         CONNECTOR_DVI_I,
  49         CONNECTOR_DVI_D,
  50         CONNECTOR_DVI_A,
  51         CONNECTOR_STV,
  52         CONNECTOR_CTV,
  53         CONNECTOR_LVDS,
  54         CONNECTOR_DIGITAL,
  55         CONNECTOR_SCART,
  56         CONNECTOR_HDMI_TYPE_A,
  57         CONNECTOR_HDMI_TYPE_B,
  58         CONNECTOR_0XC,
  59         CONNECTOR_0XD,
  60         CONNECTOR_DIN,
  61         CONNECTOR_DISPLAY_PORT,
  62         CONNECTOR_UNSUPPORTED
  63 };
  64
  65 enum radeon_dvi_type {
  66         DVI_AUTO,
  67         DVI_DIGITAL,
  68         DVI_ANALOG
  69 };
  70
  71 enum radeon_rmx_type {
  72         RMX_OFF,
  73         RMX_FULL,
  74         RMX_CENTER,
  75         RMX_ASPECT
  76 };
  77
  78 enum radeon_tv_std {
  79         TV_STD_NTSC,
  80         TV_STD_PAL,
  81         TV_STD_PAL_M,
  82         TV_STD_PAL_60,
  83         TV_STD_NTSC_J,
  84         TV_STD_SCART_PAL,
  85         TV_STD_SECAM,
  86         TV_STD_PAL_CN,
  87 };
  88
  89 struct radeon_i2c_bus_rec {
  90         bool valid;
  91         uint32_t mask_clk_reg;
  92         uint32_t mask_data_reg;
  93         uint32_t a_clk_reg;
  94         uint32_t a_data_reg;
  95         uint32_t put_clk_reg;
  96         uint32_t put_data_reg;
  97         uint32_t get_clk_reg;
  98         uint32_t get_data_reg;
  99         uint32_t mask_clk_mask;
 100         uint32_t mask_data_mask;
 101         uint32_t put_clk_mask;
 102         uint32_t put_data_mask;
 103         uint32_t get_clk_mask;
 104         uint32_t get_data_mask;
 105         uint32_t a_clk_mask;
 106         uint32_t a_data_mask;
 107 };
 108
 109 struct radeon_tmds_pll {
 110     uint32_t freq;
 111     uint32_t value;
 112 };
 113
 114 #define RADEON_MAX_BIOS_CONNECTOR 16
 115
 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
 128 struct radeon_pll {
 129         uint16_t reference_freq;
 130         uint16_t reference_div;
 131         uint32_t pll_in_min;
 132         uint32_t pll_in_max;
 133         uint32_t pll_out_min;
 134         uint32_t pll_out_max;
 135         uint16_t xclk;
 136
 137         uint32_t min_ref_div;
 138         uint32_t max_ref_div;
 139         uint32_t min_post_div;
 140         uint32_t max_post_div;
 141         uint32_t min_feedback_div;
 142         uint32_t max_feedback_div;
 143         uint32_t min_frac_feedback_div;
 144         uint32_t max_frac_feedback_div;
 145         uint32_t best_vco;
 146 };
 147
 148 struct radeon_i2c_chan {
 149         struct drm_device *dev;
 150         struct i2c_adapter adapter;
 151         struct i2c_algo_bit_data algo;
 152         struct radeon_i2c_bus_rec rec;
 153 };
 154
 155 /* mostly for macs, but really any system without connector tables */
 156 enum radeon_connector_table {
 157         CT_NONE,
 158         CT_GENERIC,
 159         CT_IBOOK,
 160         CT_POWERBOOK_EXTERNAL,
 161         CT_POWERBOOK_INTERNAL,
 162         CT_POWERBOOK_VGA,
 163         CT_MINI_EXTERNAL,
 164         CT_MINI_INTERNAL,
 165         CT_IMAC_G5_ISIGHT,
 166         CT_EMAC,
 167 };
 168
 169 struct radeon_mode_info {
 170         struct atom_context *atom_context;
 171         enum radeon_connector_table connector_table;
 172         bool mode_config_initialized;
 173 };
 174
 175 struct radeon_crtc {
 176         struct drm_crtc base;
 177         int crtc_id;
 178         u16 lut_r[256], lut_g[256], lut_b[256];
 179         bool enabled;
 180         bool can_tile;
 181         uint32_t crtc_offset;
 182         struct radeon_framebuffer *fbdev_fb;
 183         struct drm_mode_set mode_set;
 184         struct drm_gem_object *cursor_bo;
 185         uint64_t cursor_addr;
 186         int cursor_width;
 187         int cursor_height;
 188 };
 189
 190 #define RADEON_USE_RMX 1
 191
 192 struct radeon_native_mode {
 193         /* preferred mode */
 194         uint32_t panel_xres, panel_yres;
 195         uint32_t hoverplus, hsync_width;
 196         uint32_t hblank;
 197         uint32_t voverplus, vsync_width;
 198         uint32_t vblank;
 199         uint32_t dotclock;
 200         uint32_t flags;
 201 };
 202
 203 struct radeon_encoder_primary_dac {
 204         /* legacy primary dac */
 205         uint32_t ps2_pdac_adj;
 206 };
 207
 208 struct radeon_encoder_lvds {
 209         /* legacy lvds */
 210         uint16_t panel_vcc_delay;
 211         uint8_t  panel_pwr_delay;
 212         uint8_t  panel_digon_delay;
 213         uint8_t  panel_blon_delay;
 214         uint16_t panel_ref_divider;
 215         uint8_t  panel_post_divider;
 216         uint16_t panel_fb_divider;
 217         bool     use_bios_dividers;
 218         uint32_t lvds_gen_cntl;
 219         /* panel mode */
 220         struct radeon_native_mode native_mode;
 221 };
 222
 223 struct radeon_encoder_tv_dac {
 224         /* legacy tv dac */
 225         uint32_t ps2_tvdac_adj;
 226         uint32_t ntsc_tvdac_adj;
 227         uint32_t pal_tvdac_adj;
 228
 229         enum radeon_tv_std tv_std;
 230 };
 231
 232 struct radeon_encoder_int_tmds {
 233         /* legacy int tmds */
 234         struct radeon_tmds_pll tmds_pll[4];
 235 };
 236
 237 struct radeon_encoder_atom_dig {
 238         /* atom dig */
 239         bool coherent_mode;
 240         int dig_block;
 241         /* atom lvds */
 242         uint32_t lvds_misc;
 243         uint16_t panel_pwr_delay;
 244         /* panel mode */
 245         struct radeon_native_mode native_mode;
 246 };
 247
 248 struct radeon_encoder {
 249         struct drm_encoder base;
 250         uint32_t encoder_id;
 251         uint32_t devices;
 252         uint32_t flags;
 253         uint32_t pixel_clock;
 254         enum radeon_rmx_type rmx_type;
 255         struct radeon_native_mode native_mode;
 256         void *enc_priv;
 257 };
 258
 259 struct radeon_connector_atom_dig {
 260         uint32_t igp_lane_info;
 261         bool linkb;
 262 };
 263
 264 struct radeon_connector {
 265         struct drm_connector base;
 266         uint32_t connector_id;
 267         uint32_t devices;
 268         struct radeon_i2c_chan *ddc_bus;
 269         int use_digital;
 270         void *con_priv;
 271 };
 272
 273 struct radeon_framebuffer {
 274         struct drm_framebuffer base;
 275         struct drm_gem_object *obj;
 276 };
 277
 278 extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
 279                                                  struct radeon_i2c_bus_rec *rec,
 280                                                  const char *name);
 281 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
 282 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
 283 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
 284
 285 extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
 286
 287 extern void radeon_compute_pll(struct radeon_pll *pll,
 288                                uint64_t freq,
 289                                uint32_t *dot_clock_p,
 290                                uint32_t *fb_div_p,
 291                                uint32_t *frac_fb_div_p,
 292                                uint32_t *ref_div_p,
 293                                uint32_t *post_div_p,
 294                                int flags);
 295
 296 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
 297 struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);
 298 struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);
 299 struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);
 300 struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);
 301 extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);
 302 extern int atombios_get_encoder_mode(struct drm_encoder *encoder);
 303
 304 extern void radeon_crtc_load_lut(struct drm_crtc *crtc);
 305 extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 306                                    struct drm_framebuffer *old_fb);
 307 extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
 308                                    struct drm_display_mode *mode,
 309                                    struct drm_display_mode *adjusted_mode,
 310                                    int x, int y,
 311                                    struct drm_framebuffer *old_fb);
 312 extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);
 313
 314 extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 315                                  struct drm_framebuffer *old_fb);
 316 extern void radeon_legacy_atom_set_surface(struct drm_crtc *crtc);
 317
 318 extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 319                                   struct drm_file *file_priv,
 320                                   uint32_t handle,
 321                                   uint32_t width,
 322                                   uint32_t height);
 323 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 324                                    int x, int y);
 325
 326 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
 327 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
 328 extern struct radeon_encoder_atom_dig *
 329 radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);
 330 extern struct radeon_encoder_int_tmds *
 331 radeon_atombios_get_tmds_info(struct radeon_encoder *encoder);
 332 extern struct radeon_encoder_primary_dac *
 333 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);
 334 extern struct radeon_encoder_tv_dac *
 335 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);
 336 extern struct radeon_encoder_lvds *
 337 radeon_combios_get_lvds_info(struct radeon_encoder *encoder);
 338 extern struct radeon_encoder_int_tmds *
 339 radeon_combios_get_tmds_info(struct radeon_encoder *encoder);
 340 extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);
 341 extern struct radeon_encoder_tv_dac *
 342 radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);
 343 extern struct radeon_encoder_primary_dac *
 344 radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);
 345 extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);
 346 extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);
 347 extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);
 348 extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);
 349 extern void
 350 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
 351 extern void
 352 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
 353 extern void
 354 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);
 355 extern void
 356 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);
 357 extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 358                                      u16 blue, int regno);
 359 struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,
 360                                                   struct drm_mode_fb_cmd *mode_cmd,
 361                                                   struct drm_gem_object *obj);
 362
 363 int radeonfb_probe(struct drm_device *dev);
 364
 365 int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
 366 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);
 367 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);
 368 void radeon_atombios_init_crtc(struct drm_device *dev,
 369                                struct radeon_crtc *radeon_crtc);
 370 void radeon_legacy_init_crtc(struct drm_device *dev,
 371                              struct radeon_crtc *radeon_crtc);
 372 void radeon_i2c_do_lock(struct radeon_connector *radeon_connector, int lock_state);
 373
 374 void radeon_get_clock_info(struct drm_device *dev);
 375
 376 extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);
 377 extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);
 378
 379 void radeon_rmx_mode_fixup(struct drm_encoder *encoder,
 380                            struct drm_display_mode *mode,
 381                            struct drm_display_mode *adjusted_mode);
 382 void radeon_enc_destroy(struct drm_encoder *encoder);
 383 void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
 384 void radeon_combios_asic_init(struct drm_device *dev);
 385 extern int radeon_static_clocks_init(struct drm_device *dev);
 386 void radeon_init_disp_bw_legacy(struct drm_device *dev,
 387                                 struct drm_display_mode *mode1,
 388                                 uint32_t pixel_bytes1,
 389                                 struct drm_display_mode *mode2,
 390                                 uint32_t pixel_bytes2);
 391 void radeon_init_disp_bw_avivo(struct drm_device *dev,
 392                                struct drm_display_mode *mode1,
 393                                uint32_t pixel_bytes1,
 394                                struct drm_display_mode *mode2,
 395                                uint32_t pixel_bytes2);
 396 void radeon_init_disp_bandwidth(struct drm_device *dev);
 397
 398 #endif