WebSVN – Kolibri OS – Diff – /drivers/video/drm/i915/intel_bios.h

 	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 */
-} __attribute__((packed));
+} __packed;
 struct bdb_header {
 	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
 	u16 version;			/**< decimal */
 	u8 dos_boot_mode;
 	u8 bandwidth_percent;
 	u8 rsvd4; /* popup memory size */
 	u8 resize_pci_bios;
 	u8 rsvd5; /* is crt already on ddc2 */
-} __attribute__((packed));
+} __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).
 #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_MIPI		 50
 #define BDB_SKIP		254 /* VBIOS private block, ignore */
 struct bdb_general_features {
         /* bits 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 */
-} __attribute__((packed));
+} __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 DEVICE_PORT_DVOA	0x00 /* none on 845+ */
 #define DEVICE_PORT_DVOB	0x01
+#define DEVICE_PORT_DVOC	0x02
+/* We used to keep this struct but without any version control. We should avoid
-#define DEVICE_PORT_DVOC	0x02
+ * using it in the future, but it should be safe to keep using it in the old
  * code. */
-struct child_device_config {
+struct old_child_dev_config {
 	u16 handle;
 	u16 device_type;
 	u8  device_id[10]; /* ascii string */
 	u8  capabilities;
 	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
 	u8  dvo2_wiring;
 	u16 extended_type;
 	u8  dvo_function;
-} __attribute__((packed));
+} __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;
+} __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 */
 	 * 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[0];
+	union child_device_config devices[0];
-} __attribute__((packed));
+} __packed;
 struct bdb_lvds_options {
 	u8 panel_type;
 	u8 rsvd1;
 	u8 pfit_ratio_auto:1;
 	u8 pixel_dither:1;
 	u8 lvds_edid:1;
 	u8 rsvd2:1;
 	u8 rsvd4;
-} __attribute__((packed));
+} __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;
-} __attribute__((packed));
+} __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];
-} __attribute__((packed));
+} __packed;
 /* LFP data has 3 blocks per entry */
 	u32 pp_cycle_reg;
 	u32 pp_cycle_reg_val;
 	u32 pfit_reg;
 	u32 pfit_reg_val;
 	u16 terminator;
-} __attribute__((packed));
+} __packed;
 struct lvds_dvo_timing {
 	u16 clock;		/**< In 10khz */
 	u8 hactive_lo;
 	u8 rsvd1:3;
 	u8 digital:2;
 	u8 vsync_positive:1;
 	u8 hsync_positive:1;
 	u8 rsvd2:1;
-} __attribute__((packed));
+} __packed;
 struct lvds_pnp_id {
 	u16 mfg_name;
 	u16 product_code;
 	u32 serial;
 	u8 mfg_week;
 	u8 mfg_year;
-} __attribute__((packed));
+} __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;
-} __attribute__((packed));
+} __packed;
+struct bdb_lvds_lfp_data {
+	struct bdb_lvds_lfp_data_entry data[16];
+} __packed;
+struct bdb_lfp_backlight_data_entry {
+	u8 type:2;
+	u8 active_low_pwm:1;
+	u8 obsolete1:5;
+	u16 pwm_freq_hz;
+	u8 min_brightness;
+	u8 obsolete2;
+	u8 obsolete3;
+} __packed;
+struct bdb_lfp_backlight_data {
+	u8 entry_size;
-struct bdb_lvds_lfp_data {
+	struct bdb_lfp_backlight_data_entry data[16];
-	struct bdb_lvds_lfp_data_entry data[16];
+	u8 level[16];
-} __attribute__((packed));
+} __packed;
 struct aimdb_header {
 	char signature[16];
 	char oem_device[20];
 	u16 aimdb_version;
 	u16 aimdb_header_size;
 	u16 aimdb_size;
-} __attribute__((packed));
+} __packed;
 struct aimdb_block {
 	u8 aimdb_id;
 	u16 aimdb_size;
-} __attribute__((packed));
+} __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;
-} __attribute__((packed));
+} __packed;
 struct vch_bdb_22 {
 	u8 coefficient[8];
 	u8 panel_misc_bits_1;
 	u8 panel_misc_bits_2;
 	u8 panel_misc_bits_3;
 	u8 panel_misc_bits_4;
-} __attribute__((packed));
+} __packed;
 #define BDB_DRIVER_FEATURE_NO_LVDS		0
 	u16 legacy_crt_max_y;
 	u8 legacy_crt_max_refresh;
 	u8 hdmi_termination;
 	u8 custom_vbt_version;
-} __attribute__((packed));
+} __packed;
 #define EDP_18BPP	0
 #define EDP_24BPP	1
 	u16 t1_t3;
 	u16 t8;
 	u16 t9;
 	u16 t10;
 	u16 t11_t12;
-} __attribute__ ((packed));
+} __packed;
 struct edp_link_params {
 	u8 rate:4;
 	u8 lanes:4;
 	u8 preemphasis:4;
 	u8 vswing:4;
-} __attribute__ ((packed));
+} __packed;
 struct bdb_edp {
 	struct edp_power_seq power_seqs[16];
 	u32 color_depth;
 	struct edp_link_params link_params[16];
 	u32 sdrrs_msa_timing_delay;
 	/* ith bit indicates enabled/disabled for (i+1)th panel */
 	u16 edp_s3d_feature;
 	u16 edp_t3_optimization;
-} __attribute__ ((packed));
+} __packed;
 #define	 DEVICE_TYPE_INT_TV	0x1009
 #define	 DEVICE_TYPE_HDMI	0x60D2
 #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
 #define		DVO_D		3
 /* define the PORT for DP output type */
 #define		PORT_IDPB	7
+#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;
-#define		PORT_IDPC	8
+	u32 clk_lane_switch_cnt;

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/i915/intel_bios.h – Rev 3746 → 4560