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| Rev 2360 | Rev 3031 | ||
|---|---|---|---|
| Line 23... | Line 23... | ||
| 23 | * Authors: |
23 | * Authors: |
| 24 | * Eric Anholt |
24 | * Eric Anholt |
| 25 | * |
25 | * |
| 26 | */ |
26 | */ |
| 27 | #include |
27 | #include |
| 28 | #include "drmP.h" |
28 | #include |
| 29 | #include "drm.h" |
- | |
| 30 | #include "i915_drm.h" |
29 | #include |
| 31 | #include "i915_drv.h" |
30 | #include "i915_drv.h" |
| 32 | #include "intel_bios.h" |
31 | #include "intel_bios.h" |
| Line 33... | Line 32... | ||
| 33 | 32 | ||
| 34 | #define SLAVE_ADDR1 0x70 |
33 | #define SLAVE_ADDR1 0x70 |
| Line 171... | Line 170... | ||
| 171 | char *entry = (char *)lvds_lfp_data->data + lfp_data_size * index; |
170 | char *entry = (char *)lvds_lfp_data->data + lfp_data_size * index; |
| Line 172... | Line 171... | ||
| 172 | 171 | ||
| 173 | return (struct lvds_dvo_timing *)(entry + dvo_timing_offset); |
172 | return (struct lvds_dvo_timing *)(entry + dvo_timing_offset); |
| Line -... | Line 173... | ||
| - | 173 | } |
|
| - | 174 | ||
| - | 175 | /* get lvds_fp_timing entry |
|
| - | 176 | * this function may return NULL if the corresponding entry is invalid |
|
| - | 177 | */ |
|
| - | 178 | static const struct lvds_fp_timing * |
|
| - | 179 | get_lvds_fp_timing(const struct bdb_header *bdb, |
|
| - | 180 | const struct bdb_lvds_lfp_data *data, |
|
| - | 181 | const struct bdb_lvds_lfp_data_ptrs *ptrs, |
|
| - | 182 | int index) |
|
| - | 183 | { |
|
| - | 184 | size_t data_ofs = (const u8 *)data - (const u8 *)bdb; |
|
| - | 185 | u16 data_size = ((const u16 *)data)[-1]; /* stored in header */ |
|
| - | 186 | size_t ofs; |
|
| - | 187 | ||
| - | 188 | if (index >= ARRAY_SIZE(ptrs->ptr)) |
|
| - | 189 | return NULL; |
|
| - | 190 | ofs = ptrs->ptr[index].fp_timing_offset; |
|
| - | 191 | if (ofs < data_ofs || |
|
| - | 192 | ofs + sizeof(struct lvds_fp_timing) > data_ofs + data_size) |
|
| - | 193 | return NULL; |
|
| - | 194 | return (const struct lvds_fp_timing *)((const u8 *)bdb + ofs); |
|
| 174 | } |
195 | } |
| 175 | 196 | ||
| 176 | /* Try to find integrated panel data */ |
197 | /* Try to find integrated panel data */ |
| 177 | static void |
198 | static void |
| 178 | parse_lfp_panel_data(struct drm_i915_private *dev_priv, |
199 | parse_lfp_panel_data(struct drm_i915_private *dev_priv, |
| 179 | struct bdb_header *bdb) |
200 | struct bdb_header *bdb) |
| 180 | { |
201 | { |
| 181 | const struct bdb_lvds_options *lvds_options; |
202 | const struct bdb_lvds_options *lvds_options; |
| 182 | const struct bdb_lvds_lfp_data *lvds_lfp_data; |
203 | const struct bdb_lvds_lfp_data *lvds_lfp_data; |
| - | 204 | const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs; |
|
| 183 | const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs; |
205 | const struct lvds_dvo_timing *panel_dvo_timing; |
| 184 | const struct lvds_dvo_timing *panel_dvo_timing; |
206 | const struct lvds_fp_timing *fp_timing; |
| Line 185... | Line 207... | ||
| 185 | struct drm_display_mode *panel_fixed_mode; |
207 | struct drm_display_mode *panel_fixed_mode; |
| 186 | int i, downclock; |
208 | int i, downclock; |
| Line 241... | Line 263... | ||
| 241 | dev_priv->lvds_downclock = downclock * 10; |
263 | dev_priv->lvds_downclock = downclock * 10; |
| 242 | DRM_DEBUG_KMS("LVDS downclock is found in VBT. " |
264 | DRM_DEBUG_KMS("LVDS downclock is found in VBT. " |
| 243 | "Normal Clock %dKHz, downclock %dKHz\n", |
265 | "Normal Clock %dKHz, downclock %dKHz\n", |
| 244 | panel_fixed_mode->clock, 10*downclock); |
266 | panel_fixed_mode->clock, 10*downclock); |
| 245 | } |
267 | } |
| - | 268 | ||
| - | 269 | fp_timing = get_lvds_fp_timing(bdb, lvds_lfp_data, |
|
| - | 270 | lvds_lfp_data_ptrs, |
|
| - | 271 | lvds_options->panel_type); |
|
| - | 272 | if (fp_timing) { |
|
| - | 273 | /* check the resolution, just to be sure */ |
|
| - | 274 | if (fp_timing->x_res == panel_fixed_mode->hdisplay && |
|
| - | 275 | fp_timing->y_res == panel_fixed_mode->vdisplay) { |
|
| - | 276 | dev_priv->bios_lvds_val = fp_timing->lvds_reg_val; |
|
| - | 277 | DRM_DEBUG_KMS("VBT initial LVDS value %x\n", |
|
| - | 278 | dev_priv->bios_lvds_val); |
|
| - | 279 | } |
|
| - | 280 | } |
|
| 246 | } |
281 | } |
| Line 247... | Line 282... | ||
| 247 | 282 | ||
| 248 | /* Try to find sdvo panel data */ |
283 | /* Try to find sdvo panel data */ |
| 249 | static void |
284 | static void |
| Line 253... | Line 288... | ||
| 253 | struct lvds_dvo_timing *dvo_timing; |
288 | struct lvds_dvo_timing *dvo_timing; |
| 254 | struct drm_display_mode *panel_fixed_mode; |
289 | struct drm_display_mode *panel_fixed_mode; |
| 255 | int index; |
290 | int index; |
| Line 256... | Line 291... | ||
| 256 | 291 | ||
| - | 292 | index = i915_vbt_sdvo_panel_type; |
|
| - | 293 | if (index == -2) { |
|
| - | 294 | DRM_DEBUG_KMS("Ignore SDVO panel mode from BIOS VBT tables.\n"); |
|
| - | 295 | return; |
|
| - | 296 | } |
|
| 257 | index = i915_vbt_sdvo_panel_type; |
297 | |
| 258 | if (index == -1) { |
298 | if (index == -1) { |
| Line 259... | Line 299... | ||
| 259 | struct bdb_sdvo_lvds_options *sdvo_lvds_options; |
299 | struct bdb_sdvo_lvds_options *sdvo_lvds_options; |
| 260 | 300 | ||
| Line 329... | Line 369... | ||
| 329 | if (general) { |
369 | if (general) { |
| 330 | u16 block_size = get_blocksize(general); |
370 | u16 block_size = get_blocksize(general); |
| 331 | if (block_size >= sizeof(*general)) { |
371 | if (block_size >= sizeof(*general)) { |
| 332 | int bus_pin = general->crt_ddc_gmbus_pin; |
372 | int bus_pin = general->crt_ddc_gmbus_pin; |
| 333 | DRM_DEBUG_KMS("crt_ddc_bus_pin: %d\n", bus_pin); |
373 | DRM_DEBUG_KMS("crt_ddc_bus_pin: %d\n", bus_pin); |
| 334 | if (bus_pin >= 1 && bus_pin <= 6) |
374 | if (intel_gmbus_is_port_valid(bus_pin)) |
| 335 | dev_priv->crt_ddc_pin = bus_pin; |
375 | dev_priv->crt_ddc_pin = bus_pin; |
| 336 | } else { |
376 | } else { |
| 337 | DRM_DEBUG_KMS("BDB_GD too small (%d). Invalid.\n", |
377 | DRM_DEBUG_KMS("BDB_GD too small (%d). Invalid.\n", |
| 338 | block_size); |
378 | block_size); |
| 339 | } |
379 | } |
| Line 570... | Line 610... | ||
| 570 | } |
610 | } |
| 571 | if (!count) { |
611 | if (!count) { |
| 572 | DRM_DEBUG_KMS("no child dev is parsed from VBT\n"); |
612 | DRM_DEBUG_KMS("no child dev is parsed from VBT\n"); |
| 573 | return; |
613 | return; |
| 574 | } |
614 | } |
| 575 | dev_priv->child_dev = kzalloc(sizeof(*p_child) * count, GFP_KERNEL); |
615 | dev_priv->child_dev = kcalloc(count, sizeof(*p_child), GFP_KERNEL); |
| 576 | if (!dev_priv->child_dev) { |
616 | if (!dev_priv->child_dev) { |
| 577 | DRM_DEBUG_KMS("No memory space for child device\n"); |
617 | DRM_DEBUG_KMS("No memory space for child device\n"); |
| 578 | return; |
618 | return; |
| 579 | } |
619 | } |
| Line 628... | Line 668... | ||
| 628 | * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers |
668 | * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers |
| 629 | * to appropriate values. |
669 | * to appropriate values. |
| 630 | * |
670 | * |
| 631 | * Returns 0 on success, nonzero on failure. |
671 | * Returns 0 on success, nonzero on failure. |
| 632 | */ |
672 | */ |
| 633 | bool |
673 | int |
| 634 | intel_parse_bios(struct drm_device *dev) |
674 | intel_parse_bios(struct drm_device *dev) |
| 635 | { |
675 | { |
| 636 | struct drm_i915_private *dev_priv = dev->dev_private; |
676 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 637 | struct pci_dev *pdev = dev->pdev; |
677 | struct pci_dev *pdev = dev->pdev; |
| 638 | struct bdb_header *bdb = NULL; |
678 | struct bdb_header *bdb = NULL; |
| Line 667... | Line 707... | ||
| 667 | break; |
707 | break; |
| 668 | } |
708 | } |
| 669 | } |
709 | } |
| Line 670... | Line 710... | ||
| 670 | 710 | ||
| 671 | if (!vbt) { |
711 | if (!vbt) { |
| 672 | DRM_ERROR("VBT signature missing\n"); |
712 | DRM_DEBUG_DRIVER("VBT signature missing\n"); |
| 673 | pci_unmap_rom(pdev, bios); |
713 | pci_unmap_rom(pdev, bios); |
| 674 | return -1; |
714 | return -1; |
| Line 675... | Line 715... | ||
| 675 | } |
715 | } |