diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h new file mode 100644 index 0000000..0067586 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_bios.h @@ -0,0 +1,179 @@ +/* + * Copyright 2007-2008 Nouveau Project + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef __NOUVEAU_DISPBIOS_H__ +#define __NOUVEAU_DISPBIOS_H__ + +#define DCB_MAX_NUM_ENTRIES 16 +#define DCB_MAX_NUM_I2C_ENTRIES 16 +#define DCB_MAX_NUM_GPIO_ENTRIES 32 +#define DCB_MAX_NUM_CONNECTOR_ENTRIES 16 + +#define DCB_LOC_ON_CHIP 0 + +#define ROM16(x) le16_to_cpu(*(u16 *)&(x)) +#define ROM32(x) le32_to_cpu(*(u32 *)&(x)) +#define ROM48(x) ({ u8 *p = &(x); (u64)ROM16(p[4]) << 32 | ROM32(p[0]); }) +#define ROM64(x) le64_to_cpu(*(u64 *)&(x)) +#define ROMPTR(d,x) ({ \ + struct nouveau_drm *drm = nouveau_drm((d)); \ + ROM16(x) ? &drm->vbios.data[ROM16(x)] : NULL; \ +}) + +struct bit_entry { + uint8_t id; + uint8_t version; + uint16_t length; + uint16_t offset; + uint8_t *data; +}; + +int bit_table(struct drm_device *, u8 id, struct bit_entry *); + +#include <subdev/bios/dcb.h> +#include <subdev/bios/conn.h> + +struct dcb_table { + uint8_t version; + int entries; + struct dcb_output entry[DCB_MAX_NUM_ENTRIES]; +}; + +enum nouveau_or { + DCB_OUTPUT_A = (1 << 0), + DCB_OUTPUT_B = (1 << 1), + DCB_OUTPUT_C = (1 << 2) +}; + +enum LVDS_script { + /* Order *does* matter here */ + LVDS_INIT = 1, + LVDS_RESET, + LVDS_BACKLIGHT_ON, + LVDS_BACKLIGHT_OFF, + LVDS_PANEL_ON, + LVDS_PANEL_OFF +}; + +struct nvbios { + struct drm_device *dev; + enum { + NVBIOS_BMP, + NVBIOS_BIT + } type; + uint16_t offset; + uint32_t length; + uint8_t *data; + + uint8_t chip_version; + + uint32_t dactestval; + uint32_t tvdactestval; + uint8_t digital_min_front_porch; + bool fp_no_ddc; + + spinlock_t lock; + + bool execute; + + uint8_t major_version; + uint8_t feature_byte; + bool is_mobile; + + uint32_t fmaxvco, fminvco; + + bool old_style_init; + uint16_t init_script_tbls_ptr; + uint16_t extra_init_script_tbl_ptr; + + uint16_t ram_restrict_tbl_ptr; + uint8_t ram_restrict_group_count; + + struct dcb_table dcb; + + struct { + int crtchead; + } state; + + struct { + uint16_t fptablepointer; /* also used by tmds */ + uint16_t fpxlatetableptr; + int xlatwidth; + uint16_t lvdsmanufacturerpointer; + uint16_t fpxlatemanufacturertableptr; + uint16_t mode_ptr; + uint16_t xlated_entry; + bool power_off_for_reset; + bool reset_after_pclk_change; + bool dual_link; + bool link_c_increment; + bool if_is_24bit; + int duallink_transition_clk; + uint8_t strapless_is_24bit; + uint8_t *edid; + + /* will need resetting after suspend */ + int last_script_invoc; + bool lvds_init_run; + } fp; + + struct { + uint16_t output0_script_ptr; + uint16_t output1_script_ptr; + } tmds; + + struct { + uint16_t mem_init_tbl_ptr; + uint16_t sdr_seq_tbl_ptr; + uint16_t ddr_seq_tbl_ptr; + + struct { + uint8_t crt, tv, panel; + } i2c_indices; + + uint16_t lvds_single_a_script_ptr; + } legacy; +}; + +void *olddcb_table(struct drm_device *); +void *olddcb_outp(struct drm_device *, u8 idx); +int olddcb_outp_foreach(struct drm_device *, void *data, + int (*)(struct drm_device *, void *, int idx, u8 *outp)); +u8 *olddcb_conntab(struct drm_device *); +u8 *olddcb_conn(struct drm_device *, u8 idx); + +int nouveau_bios_init(struct drm_device *); +void nouveau_bios_takedown(struct drm_device *dev); +int nouveau_run_vbios_init(struct drm_device *); +struct dcb_connector_table_entry * +nouveau_bios_connector_entry(struct drm_device *, int index); +bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *); +uint8_t *nouveau_bios_embedded_edid(struct drm_device *); +int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk, + bool *dl, bool *if_is_24bit); +int run_tmds_table(struct drm_device *, struct dcb_output *, + int head, int pxclk); +int call_lvds_script(struct drm_device *, struct dcb_output *, int head, + enum LVDS_script, int pxclk); + +#endif |