| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alan Cox | 1836 | 90.89% | 3 | 30.00% |
| Yakui Zhao | 155 | 7.67% | 1 | 10.00% |
| Eames Trinh | 19 | 0.94% | 1 | 10.00% |
| Patrik Jakobsson | 3 | 0.15% | 1 | 10.00% |
| Sam Ravnborg | 3 | 0.15% | 1 | 10.00% |
| Thomas Gleixner | 2 | 0.10% | 1 | 10.00% |
| Dan Carpenter | 1 | 0.05% | 1 | 10.00% |
| Gustavo A. R. Silva | 1 | 0.05% | 1 | 10.00% |
| Total | 2020 | 10 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2006 Intel Corporation * * Authors: * Eric Anholt <eric@anholt.net> */ #ifndef _INTEL_BIOS_H_ #define _INTEL_BIOS_H_ struct drm_device; struct vbt_header { u8 signature[20]; /**< Always starts with 'VBT$' */ u16 version; /**< decimal */ u16 header_size; /**< in bytes */ u16 vbt_size; /**< in bytes */ u8 vbt_checksum; u8 reserved0; u32 bdb_offset; /**< from beginning of VBT */ u32 aim_offset[4]; /**< from beginning of VBT */ } __packed; struct bdb_header { u8 signature[16]; /**< Always 'BIOS_DATA_BLOCK' */ u16 version; /**< decimal */ u16 header_size; /**< in bytes */ u16 bdb_size; /**< in bytes */ }; /* strictly speaking, this is a "skip" block, but it has interesting info */ struct vbios_data { u8 type; /* 0 == desktop, 1 == mobile */ u8 relstage; u8 chipset; u8 lvds_present:1; u8 tv_present:1; u8 rsvd2:6; /* finish byte */ u8 rsvd3[4]; u8 signon[155]; u8 copyright[61]; u16 code_segment; u8 dos_boot_mode; u8 bandwidth_percent; u8 rsvd4; /* popup memory size */ u8 resize_pci_bios; u8 rsvd5; /* is crt already on ddc2 */ } __packed; /* * There are several types of BIOS data blocks (BDBs), each block has * an ID and size in the first 3 bytes (ID in first, size in next 2). * Known types are listed below. */ #define BDB_GENERAL_FEATURES 1 #define BDB_GENERAL_DEFINITIONS 2 #define BDB_OLD_TOGGLE_LIST 3 #define BDB_MODE_SUPPORT_LIST 4 #define BDB_GENERIC_MODE_TABLE 5 #define BDB_EXT_MMIO_REGS 6 #define BDB_SWF_IO 7 #define BDB_SWF_MMIO 8 #define BDB_DOT_CLOCK_TABLE 9 #define BDB_MODE_REMOVAL_TABLE 10 #define BDB_CHILD_DEVICE_TABLE 11 #define BDB_DRIVER_FEATURES 12 #define BDB_DRIVER_PERSISTENCE 13 #define BDB_EXT_TABLE_PTRS 14 #define BDB_DOT_CLOCK_OVERRIDE 15 #define BDB_DISPLAY_SELECT 16 /* 17 rsvd */ #define BDB_DRIVER_ROTATION 18 #define BDB_DISPLAY_REMOVE 19 #define BDB_OEM_CUSTOM 20 #define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */ #define BDB_SDVO_LVDS_OPTIONS 22 #define BDB_SDVO_PANEL_DTDS 23 #define BDB_SDVO_LVDS_PNP_IDS 24 #define BDB_SDVO_LVDS_POWER_SEQ 25 #define BDB_TV_OPTIONS 26 #define BDB_EDP 27 #define BDB_LVDS_OPTIONS 40 #define BDB_LVDS_LFP_DATA_PTRS 41 #define BDB_LVDS_LFP_DATA 42 #define BDB_LVDS_BACKLIGHT 43 #define BDB_LVDS_POWER 44 #define BDB_SKIP 254 /* VBIOS private block, ignore */ struct bdb_general_features { /* bits 1 */ u8 panel_fitting:2; u8 flexaim:1; u8 msg_enable:1; u8 clear_screen:3; u8 color_flip:1; /* bits 2 */ u8 download_ext_vbt:1; u8 enable_ssc:1; u8 ssc_freq:1; u8 enable_lfp_on_override:1; u8 disable_ssc_ddt:1; u8 rsvd8:3; /* finish byte */ /* bits 3 */ u8 disable_smooth_vision:1; u8 single_dvi:1; u8 rsvd9:6; /* finish byte */ /* bits 4 */ u8 legacy_monitor_detect; /* bits 5 */ u8 int_crt_support:1; u8 int_tv_support:1; u8 int_efp_support:1; u8 dp_ssc_enb:1; /* PCH attached eDP supports SSC */ u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */ u8 rsvd11:3; /* finish byte */ } __packed; /* pre-915 */ #define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */ #define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */ #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */ #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */ /* Pre 915 */ #define DEVICE_TYPE_NONE 0x00 #define DEVICE_TYPE_CRT 0x01 #define DEVICE_TYPE_TV 0x09 #define DEVICE_TYPE_EFP 0x12 #define DEVICE_TYPE_LFP 0x22 /* On 915+ */ #define DEVICE_TYPE_CRT_DPMS 0x6001 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001 #define DEVICE_TYPE_TV_COMPOSITE 0x0209 #define DEVICE_TYPE_TV_MACROVISION 0x0289 #define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609 #define DEVICE_TYPE_TV_SCART 0x0209 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009 #define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052 #define DEVICE_TYPE_EFP_DVI_I 0x6053 #define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152 #define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062 #define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162 #define DEVICE_TYPE_LFP_PANELLINK 0x5012 #define DEVICE_TYPE_LFP_CMOS_PWR 0x5042 #define DEVICE_TYPE_LFP_LVDS_PWR 0x5062 #define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2 #define DEVICE_CFG_NONE 0x00 #define DEVICE_CFG_12BIT_DVOB 0x01 #define DEVICE_CFG_12BIT_DVOC 0x02 #define DEVICE_CFG_24BIT_DVOBC 0x09 #define DEVICE_CFG_24BIT_DVOCB 0x0a #define DEVICE_CFG_DUAL_DVOB 0x11 #define DEVICE_CFG_DUAL_DVOC 0x12 #define DEVICE_CFG_DUAL_DVOBC 0x13 #define DEVICE_CFG_DUAL_LINK_DVOBC 0x19 #define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a #define DEVICE_WIRE_NONE 0x00 #define DEVICE_WIRE_DVOB 0x01 #define DEVICE_WIRE_DVOC 0x02 #define DEVICE_WIRE_DVOBC 0x03 #define DEVICE_WIRE_DVOBB 0x05 #define DEVICE_WIRE_DVOCC 0x06 #define DEVICE_WIRE_DVOB_MASTER 0x0d #define DEVICE_WIRE_DVOC_MASTER 0x0e #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */ #define DEVICE_PORT_DVOB 0x01 #define DEVICE_PORT_DVOC 0x02 struct child_device_config { u16 handle; u16 device_type; u8 device_id[10]; /* ascii string */ u16 addin_offset; u8 dvo_port; /* See Device_PORT_* above */ u8 i2c_pin; u8 slave_addr; u8 ddc_pin; u16 edid_ptr; u8 dvo_cfg; /* See DEVICE_CFG_* above */ u8 dvo2_port; u8 i2c2_pin; u8 slave2_addr; u8 ddc2_pin; u8 capabilities; u8 dvo_wiring;/* See DEVICE_WIRE_* above */ u8 dvo2_wiring; u16 extended_type; u8 dvo_function; } __packed; struct bdb_general_definitions { /* DDC GPIO */ u8 crt_ddc_gmbus_pin; /* DPMS bits */ u8 dpms_acpi:1; u8 skip_boot_crt_detect:1; u8 dpms_aim:1; u8 rsvd1:5; /* finish byte */ /* boot device bits */ u8 boot_display[2]; u8 child_dev_size; /* * Device info: * If TV is present, it'll be at devices[0]. * LVDS will be next, either devices[0] or [1], if present. * On some platforms the number of device is 6. But could be as few as * 4 if both TV and LVDS are missing. * And the device num is related with the size of general definition * block. It is obtained by using the following formula: * number = (block_size - sizeof(bdb_general_definitions))/ * sizeof(child_device_config); */ struct child_device_config devices[]; }; struct bdb_lvds_options { u8 panel_type; u8 rsvd1; /* LVDS capabilities, stored in a dword */ u8 pfit_mode:2; u8 pfit_text_mode_enhanced:1; u8 pfit_gfx_mode_enhanced:1; u8 pfit_ratio_auto:1; u8 pixel_dither:1; u8 lvds_edid:1; u8 rsvd2:1; u8 rsvd4; } __packed; struct bdb_lvds_backlight { u8 type:2; u8 pol:1; u8 gpio:3; u8 gmbus:2; u16 freq; u8 minbrightness; u8 i2caddr; u8 brightnesscmd; /*FIXME: more...*/ } __packed; /* LFP pointer table contains entries to the struct below */ struct bdb_lvds_lfp_data_ptr { u16 fp_timing_offset; /* offsets are from start of bdb */ u8 fp_table_size; u16 dvo_timing_offset; u8 dvo_table_size; u16 panel_pnp_id_offset; u8 pnp_table_size; } __packed; struct bdb_lvds_lfp_data_ptrs { u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */ struct bdb_lvds_lfp_data_ptr ptr[16]; } __packed; /* LFP data has 3 blocks per entry */ struct lvds_fp_timing { u16 x_res; u16 y_res; u32 lvds_reg; u32 lvds_reg_val; u32 pp_on_reg; u32 pp_on_reg_val; u32 pp_off_reg; u32 pp_off_reg_val; u32 pp_cycle_reg; u32 pp_cycle_reg_val; u32 pfit_reg; u32 pfit_reg_val; u16 terminator; } __packed; struct lvds_dvo_timing { u16 clock; /**< In 10khz */ u8 hactive_lo; u8 hblank_lo; u8 hblank_hi:4; u8 hactive_hi:4; u8 vactive_lo; u8 vblank_lo; u8 vblank_hi:4; u8 vactive_hi:4; u8 hsync_off_lo; u8 hsync_pulse_width; u8 vsync_pulse_width:4; u8 vsync_off:4; u8 rsvd0:6; u8 hsync_off_hi:2; u8 h_image; u8 v_image; u8 max_hv; u8 h_border; u8 v_border; u8 rsvd1:3; u8 digital:2; u8 vsync_positive:1; u8 hsync_positive:1; u8 rsvd2:1; } __packed; struct lvds_pnp_id { u16 mfg_name; u16 product_code; u32 serial; u8 mfg_week; u8 mfg_year; } __packed; struct bdb_lvds_lfp_data_entry { struct lvds_fp_timing fp_timing; struct lvds_dvo_timing dvo_timing; struct lvds_pnp_id pnp_id; } __packed; struct bdb_lvds_lfp_data { struct bdb_lvds_lfp_data_entry data[16]; } __packed; struct aimdb_header { char signature[16]; char oem_device[20]; u16 aimdb_version; u16 aimdb_header_size; u16 aimdb_size; } __packed; struct aimdb_block { u8 aimdb_id; u16 aimdb_size; } __packed; struct vch_panel_data { u16 fp_timing_offset; u8 fp_timing_size; u16 dvo_timing_offset; u8 dvo_timing_size; u16 text_fitting_offset; u8 text_fitting_size; u16 graphics_fitting_offset; u8 graphics_fitting_size; } __packed; struct vch_bdb_22 { struct aimdb_block aimdb_block; struct vch_panel_data panels[16]; } __packed; struct bdb_sdvo_lvds_options { u8 panel_backlight; u8 h40_set_panel_type; u8 panel_type; u8 ssc_clk_freq; u16 als_low_trip; u16 als_high_trip; u8 sclalarcoeff_tab_row_num; u8 sclalarcoeff_tab_row_size; u8 coefficient[8]; u8 panel_misc_bits_1; u8 panel_misc_bits_2; u8 panel_misc_bits_3; u8 panel_misc_bits_4; } __packed; #define BDB_DRIVER_FEATURE_NO_LVDS 0 #define BDB_DRIVER_FEATURE_INT_LVDS 1 #define BDB_DRIVER_FEATURE_SDVO_LVDS 2 #define BDB_DRIVER_FEATURE_EDP 3 struct bdb_driver_features { u8 boot_dev_algorithm:1; u8 block_display_switch:1; u8 allow_display_switch:1; u8 hotplug_dvo:1; u8 dual_view_zoom:1; u8 int15h_hook:1; u8 sprite_in_clone:1; u8 primary_lfp_id:1; u16 boot_mode_x; u16 boot_mode_y; u8 boot_mode_bpp; u8 boot_mode_refresh; u16 enable_lfp_primary:1; u16 selective_mode_pruning:1; u16 dual_frequency:1; u16 render_clock_freq:1; /* 0: high freq; 1: low freq */ u16 nt_clone_support:1; u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */ u16 sprite_display_assign:1; /* 0: secondary; 1: primary */ u16 cui_aspect_scaling:1; u16 preserve_aspect_ratio:1; u16 sdvo_device_power_down:1; u16 crt_hotplug:1; u16 lvds_config:2; u16 tv_hotplug:1; u16 hdmi_config:2; u8 static_display:1; u8 reserved2:7; u16 legacy_crt_max_x; u16 legacy_crt_max_y; u8 legacy_crt_max_refresh; u8 hdmi_termination; u8 custom_vbt_version; } __packed; #define EDP_18BPP 0 #define EDP_24BPP 1 #define EDP_30BPP 2 #define EDP_RATE_1_62 0 #define EDP_RATE_2_7 1 #define EDP_LANE_1 0 #define EDP_LANE_2 1 #define EDP_LANE_4 3 #define EDP_PREEMPHASIS_NONE 0 #define EDP_PREEMPHASIS_3_5dB 1 #define EDP_PREEMPHASIS_6dB 2 #define EDP_PREEMPHASIS_9_5dB 3 #define EDP_VSWING_0_4V 0 #define EDP_VSWING_0_6V 1 #define EDP_VSWING_0_8V 2 #define EDP_VSWING_1_2V 3 struct edp_power_seq { u16 t1_t3; u16 t8; u16 t9; u16 t10; u16 t11_t12; } __attribute__ ((packed)); struct edp_link_params { u8 rate:4; u8 lanes:4; u8 preemphasis:4; u8 vswing:4; } __attribute__ ((packed)); struct bdb_edp { struct edp_power_seq power_seqs[16]; u32 color_depth; u32 sdrrs_msa_timing_delay; struct edp_link_params link_params[16]; } __attribute__ ((packed)); extern int psb_intel_init_bios(struct drm_device *dev); extern void psb_intel_destroy_bios(struct drm_device *dev); /* * Driver<->VBIOS interaction occurs through scratch bits in * GR18 & SWF*. */ /* GR18 bits are set on display switch and hotkey events */ #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */ #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */ #define GR18_HK_NONE (0x0<<3) #define GR18_HK_LFP_STRETCH (0x1<<3) #define GR18_HK_TOGGLE_DISP (0x2<<3) #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */ #define GR18_HK_POPUP_DISABLED (0x6<<3) #define GR18_HK_POPUP_ENABLED (0x7<<3) #define GR18_HK_PFIT (0x8<<3) #define GR18_HK_APM_CHANGE (0xa<<3) #define GR18_HK_MULTIPLE (0xc<<3) #define GR18_USER_INT_EN (1<<2) #define GR18_A0000_FLUSH_EN (1<<1) #define GR18_SMM_EN (1<<0) /* Set by driver, cleared by VBIOS */ #define SWF00_YRES_SHIFT 16 #define SWF00_XRES_SHIFT 0 #define SWF00_RES_MASK 0xffff /* Set by VBIOS at boot time and driver at runtime */ #define SWF01_TV2_FORMAT_SHIFT 8 #define SWF01_TV1_FORMAT_SHIFT 0 #define SWF01_TV_FORMAT_MASK 0xffff #define SWF10_VBIOS_BLC_I2C_EN (1<<29) #define SWF10_GTT_OVERRIDE_EN (1<<28) #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */ #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24) #define SWF10_OLD_TOGGLE 0x0 #define SWF10_TOGGLE_LIST_1 0x1 #define SWF10_TOGGLE_LIST_2 0x2 #define SWF10_TOGGLE_LIST_3 0x3 #define SWF10_TOGGLE_LIST_4 0x4 #define SWF10_PANNING_EN (1<<23) #define SWF10_DRIVER_LOADED (1<<22) #define SWF10_EXTENDED_DESKTOP (1<<21) #define SWF10_EXCLUSIVE_MODE (1<<20) #define SWF10_OVERLAY_EN (1<<19) #define SWF10_PLANEB_HOLDOFF (1<<18) #define SWF10_PLANEA_HOLDOFF (1<<17) #define SWF10_VGA_HOLDOFF (1<<16) #define SWF10_ACTIVE_DISP_MASK 0xffff #define SWF10_PIPEB_LFP2 (1<<15) #define SWF10_PIPEB_EFP2 (1<<14) #define SWF10_PIPEB_TV2 (1<<13) #define SWF10_PIPEB_CRT2 (1<<12) #define SWF10_PIPEB_LFP (1<<11) #define SWF10_PIPEB_EFP (1<<10) #define SWF10_PIPEB_TV (1<<9) #define SWF10_PIPEB_CRT (1<<8) #define SWF10_PIPEA_LFP2 (1<<7) #define SWF10_PIPEA_EFP2 (1<<6) #define SWF10_PIPEA_TV2 (1<<5) #define SWF10_PIPEA_CRT2 (1<<4) #define SWF10_PIPEA_LFP (1<<3) #define SWF10_PIPEA_EFP (1<<2) #define SWF10_PIPEA_TV (1<<1) #define SWF10_PIPEA_CRT (1<<0) #define SWF11_MEMORY_SIZE_SHIFT 16 #define SWF11_SV_TEST_EN (1<<15) #define SWF11_IS_AGP (1<<14) #define SWF11_DISPLAY_HOLDOFF (1<<13) #define SWF11_DPMS_REDUCED (1<<12) #define SWF11_IS_VBE_MODE (1<<11) #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */ #define SWF11_DPMS_MASK 0x07 #define SWF11_DPMS_OFF (1<<2) #define SWF11_DPMS_SUSPEND (1<<1) #define SWF11_DPMS_STANDBY (1<<0) #define SWF11_DPMS_ON 0 #define SWF14_GFX_PFIT_EN (1<<31) #define SWF14_TEXT_PFIT_EN (1<<30) #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */ #define SWF14_POPUP_EN (1<<28) #define SWF14_DISPLAY_HOLDOFF (1<<27) #define SWF14_DISP_DETECT_EN (1<<26) #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */ #define SWF14_DRIVER_STATUS (1<<24) #define SWF14_OS_TYPE_WIN9X (1<<23) #define SWF14_OS_TYPE_WINNT (1<<22) /* 21:19 rsvd */ #define SWF14_PM_TYPE_MASK 0x00070000 #define SWF14_PM_ACPI_VIDEO (0x4 << 16) #define SWF14_PM_ACPI (0x3 << 16) #define SWF14_PM_APM_12 (0x2 << 16) #define SWF14_PM_APM_11 (0x1 << 16) #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */ /* if GR18 indicates a display switch */ #define SWF14_DS_PIPEB_LFP2_EN (1<<15) #define SWF14_DS_PIPEB_EFP2_EN (1<<14) #define SWF14_DS_PIPEB_TV2_EN (1<<13) #define SWF14_DS_PIPEB_CRT2_EN (1<<12) #define SWF14_DS_PIPEB_LFP_EN (1<<11) #define SWF14_DS_PIPEB_EFP_EN (1<<10) #define SWF14_DS_PIPEB_TV_EN (1<<9) #define SWF14_DS_PIPEB_CRT_EN (1<<8) #define SWF14_DS_PIPEA_LFP2_EN (1<<7) #define SWF14_DS_PIPEA_EFP2_EN (1<<6) #define SWF14_DS_PIPEA_TV2_EN (1<<5) #define SWF14_DS_PIPEA_CRT2_EN (1<<4) #define SWF14_DS_PIPEA_LFP_EN (1<<3) #define SWF14_DS_PIPEA_EFP_EN (1<<2) #define SWF14_DS_PIPEA_TV_EN (1<<1) #define SWF14_DS_PIPEA_CRT_EN (1<<0) /* if GR18 indicates a panel fitting request */ #define SWF14_PFIT_EN (1<<0) /* 0 means disable */ /* if GR18 indicates an APM change request */ #define SWF14_APM_HIBERNATE 0x4 #define SWF14_APM_SUSPEND 0x3 #define SWF14_APM_STANDBY 0x1 #define SWF14_APM_RESTORE 0x0 /* Add the device class for LFP, TV, HDMI */ #define DEVICE_TYPE_INT_LFP 0x1022 #define DEVICE_TYPE_INT_TV 0x1009 #define DEVICE_TYPE_HDMI 0x60D2 #define DEVICE_TYPE_DP 0x68C6 #define DEVICE_TYPE_eDP 0x78C6 /* define the DVO port for HDMI output type */ #define DVO_B 1 #define DVO_C 2 #define DVO_D 3 /* define the PORT for DP output type */ #define PORT_IDPB 7 #define PORT_IDPC 8 #define PORT_IDPD 9 #endif /* _INTEL_BIOS_H_ */
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