diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.h | 121 |
1 files changed, 119 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index e088d6f0956..f580a2b0ddd 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -104,6 +104,7 @@ struct vbios_data { #define BDB_LVDS_LFP_DATA 42 #define BDB_LVDS_BACKLIGHT 43 #define BDB_LVDS_POWER 44 +#define BDB_MIPI 50 #define BDB_SKIP 254 /* VBIOS private block, ignore */ struct bdb_general_features { @@ -201,7 +202,10 @@ struct bdb_general_features { #define DEVICE_PORT_DVOB 0x01 #define DEVICE_PORT_DVOC 0x02 -struct child_device_config { +/* We used to keep this struct but without any version control. We should avoid + * using it in the future, but it should be safe to keep using it in the old + * code. */ +struct old_child_dev_config { u16 handle; u16 device_type; u8 device_id[10]; /* ascii string */ @@ -223,6 +227,32 @@ struct child_device_config { u8 dvo_function; } __attribute__((packed)); +/* This one contains field offsets that are known to be common for all BDB + * versions. Notice that the meaning of the contents contents may still change, + * but at least the offsets are consistent. */ +struct common_child_dev_config { + u16 handle; + u16 device_type; + u8 not_common1[12]; + u8 dvo_port; + u8 not_common2[2]; + u8 ddc_pin; + u16 edid_ptr; +} __attribute__((packed)); + +/* This field changes depending on the BDB version, so the most reliable way to + * read it is by checking the BDB version and reading the raw pointer. */ +union child_device_config { + /* This one is safe to be used anywhere, but the code should still check + * the BDB version. */ + u8 raw[33]; + /* This one should only be kept for legacy code. */ + struct old_child_dev_config old; + /* This one should also be safe to use anywhere, even without version + * checks. */ + struct common_child_dev_config common; +}; + struct bdb_general_definitions { /* DDC GPIO */ u8 crt_ddc_gmbus_pin; @@ -248,7 +278,7 @@ struct bdb_general_definitions { * number = (block_size - sizeof(bdb_general_definitions))/ * sizeof(child_device_config); */ - struct child_device_config devices[0]; + union child_device_config devices[0]; } __attribute__((packed)); struct bdb_lvds_options { @@ -608,6 +638,40 @@ int intel_parse_bios(struct drm_device *dev); #define DEVICE_TYPE_DP 0x68C6 #define DEVICE_TYPE_eDP 0x78C6 +#define DEVICE_TYPE_CLASS_EXTENSION (1 << 15) +#define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14) +#define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13) +#define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12) +#define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11) +#define DEVICE_TYPE_MIPI_OUTPUT (1 << 10) +#define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9) +#define DEVICE_TYPE_DUAL_CHANNEL (1 << 8) +#define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6) +#define DEVICE_TYPE_LVDS_SINGALING (1 << 5) +#define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4) +#define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3) +#define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2) +#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1) +#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0) + +/* + * Bits we care about when checking for DEVICE_TYPE_eDP + * Depending on the system, the other bits may or may not + * be set for eDP outputs. + */ +#define DEVICE_TYPE_eDP_BITS \ + (DEVICE_TYPE_INTERNAL_CONNECTOR | \ + DEVICE_TYPE_NOT_HDMI_OUTPUT | \ + DEVICE_TYPE_MIPI_OUTPUT | \ + DEVICE_TYPE_COMPOSITE_OUTPUT | \ + DEVICE_TYPE_DUAL_CHANNEL | \ + DEVICE_TYPE_LVDS_SINGALING | \ + DEVICE_TYPE_TMDS_DVI_SIGNALING | \ + DEVICE_TYPE_VIDEO_SIGNALING | \ + DEVICE_TYPE_DISPLAYPORT_OUTPUT | \ + DEVICE_TYPE_DIGITAL_OUTPUT | \ + DEVICE_TYPE_ANALOG_OUTPUT) + /* define the DVO port for HDMI output type */ #define DVO_B 1 #define DVO_C 2 @@ -618,4 +682,57 @@ int intel_parse_bios(struct drm_device *dev); #define PORT_IDPC 8 #define PORT_IDPD 9 +/* Possible values for the "DVO Port" field for versions >= 155: */ +#define DVO_PORT_HDMIA 0 +#define DVO_PORT_HDMIB 1 +#define DVO_PORT_HDMIC 2 +#define DVO_PORT_HDMID 3 +#define DVO_PORT_LVDS 4 +#define DVO_PORT_TV 5 +#define DVO_PORT_CRT 6 +#define DVO_PORT_DPB 7 +#define DVO_PORT_DPC 8 +#define DVO_PORT_DPD 9 +#define DVO_PORT_DPA 10 + +/* MIPI DSI panel info */ +struct bdb_mipi { + u16 panel_id; + u16 bridge_revision; + + /* General params */ + u32 dithering:1; + u32 bpp_pixel_format:1; + u32 rsvd1:1; + u32 dphy_valid:1; + u32 resvd2:28; + + u16 port_info; + u16 rsvd3:2; + u16 num_lanes:2; + u16 rsvd4:12; + + /* DSI config */ + u16 virt_ch_num:2; + u16 vtm:2; + u16 rsvd5:12; + + u32 dsi_clock; + u32 bridge_ref_clk; + u16 rsvd_pwr; + + /* Dphy Params */ + u32 prepare_cnt:5; + u32 rsvd6:3; + u32 clk_zero_cnt:8; + u32 trail_cnt:5; + u32 rsvd7:3; + u32 exit_zero_cnt:6; + u32 rsvd8:2; + + u32 hl_switch_cnt; + u32 lp_byte_clk; + u32 clk_lane_switch_cnt; +} __attribute__((packed)); + #endif /* _I830_BIOS_H_ */ |