關于dvi視訊輸出口，微軟搞了個sdvo用來保護：
#define sdvo_output_first (0)
#define sdvo_output_tmds0 (1 << 0)
#define sdvo_output_rgb0 (1 << 1)
#define sdvo_output_cvbs0 (1 << 2)
#define sdvo_output_svid0 (1 << 3)
#define sdvo_output_yprpb0 (1 << 4)
#define sdvo_output_scart0 (1 << 5)
#define sdvo_output_lvds0 (1 << 6)
#define sdvo_output_tmds1 (1 << 8)
#define sdvo_output_rgb1 (1 << 9)
#define sdvo_output_cvbs1 (1 << 10)
#define sdvo_output_svid1 (1 << 11)
#define sdvo_output_yprpb1 (1 << 12)
#define sdvo_output_scart1 (1 << 13)
#define sdvo_output_lvds1 (1 << 14)
#define sdvo_output_last (14)
struct i830_sdvo_caps {
uint8_t vendor_id;
uint8_t device_id;
uint8_t device_rev_id;
uint8_t sdvo_version_major;
uint8_t sdvo_version_minor;
unsigned int sdvo_input_count:2;
unsigned int smooth_scaling:1;
unsigned int sharp_scaling:1;
unsigned int up_scaling:1;
unsigned int down_scaling:1;
unsigned int stall_support:1;
unsigned int pad:1;
uint16_t output_flags;
} __attribute__((packed));
/** this matches the edid dtd structure, more or less */
struct i830_sdvo_dtd {
struct {
uint16_t clock; /**< pixel clock, in 10khz units */
uint8_t h_active; /**< lower 8 bits (pixels) */
uint8_t h_blank; /**< lower 8 bits (pixels) */
uint8_t h_high; /**< upper 4 bits each h_active, h_blank */
uint8_t v_active; /**< lower 8 bits (lines) */
uint8_t v_blank; /**< lower 8 bits (lines) */
uint8_t v_high; /**< upper 4 bits each v_active, v_blank */
} part1;
uint8_t h_sync_off; /**< lower 8 bits, from hblank start */
uint8_t h_sync_width; /**< lower 8 bits (pixels) */
/** lower 4 bits each vsync offset, vsync width */
uint8_t v_sync_off_width;
/**
* 2 high bits of hsync offset, 2 high bits of hsync width,
* bits 4-5 of vsync offset, and 2 high bits of vsync width.
*/
uint8_t sync_off_width_high;
uint8_t dtd_flags;
uint8_t sdvo_flags;
/** bits 6-7 of vsync offset at bits 6-7 */
uint8_t v_sync_off_high;
uint8_t reserved;
} part2;
struct i830_sdvo_pixel_clock_range {
uint16_t min; /**< pixel clock, in 10khz units */
uint16_t max; /**< pixel clock, in 10khz units */
struct i830_sdvo_preferred_input_timing_args {
uint16_t clock;
uint16_t width;
uint16_t height;
/* i2c registers for sdvo */
#define sdvo_i2c_arg_0 0x07
#define sdvo_i2c_arg_1 0x06
#define sdvo_i2c_arg_2 0x05
#define sdvo_i2c_arg_3 0x04
#define sdvo_i2c_arg_4 0x03
#define sdvo_i2c_arg_5 0x02
#define sdvo_i2c_arg_6 0x01
#define sdvo_i2c_arg_7 0x00
#define sdvo_i2c_opcode 0x08
#define sdvo_i2c_cmd_status 0x09
#define sdvo_i2c_return_0 0x0a
#define sdvo_i2c_return_1 0x0b
#define sdvo_i2c_return_2 0x0c
#define sdvo_i2c_return_3 0x0d
#define sdvo_i2c_return_4 0x0e
#define sdvo_i2c_return_5 0x0f
#define sdvo_i2c_return_6 0x10
#define sdvo_i2c_return_7 0x11
#define sdvo_i2c_vendor_begin 0x20
/* status results */
#define sdvo_cmd_status_power_on 0x0
#define sdvo_cmd_status_success 0x1
#define sdvo_cmd_status_notsupp 0x2
#define sdvo_cmd_status_invalid_arg 0x3
#define sdvo_cmd_status_pending 0x4
#define sdvo_cmd_status_target_not_specified 0x5
#define sdvo_cmd_status_scaling_not_supp 0x6
/* sdvo commands, argument/result registers */
#define sdvo_cmd_reset 0x01
/** returns a struct i830_sdvo_caps */
#define sdvo_cmd_get_device_caps 0x02
#define sdvo_cmd_get_firmware_rev 0x86
# define sdvo_device_firmware_minor sdvo_i2c_return_0
# define sdvo_device_firmware_major sdvo_i2c_return_1
# define sdvo_device_firmware_patch sdvo_i2c_return_2
/**
* reports which inputs are trained (managed to sync).
*
* devices must have trained within 2 vsyncs of a mode change.
*/
#define sdvo_cmd_get_trained_inputs 0x03
struct i830_sdvo_get_trained_inputs_response {
unsigned int input0_trained:1;
unsigned int input1_trained:1;
unsigned int pad:6;
/** returns a struct i830_sdvo_output_flags of active outputs. */
#define sdvo_cmd_get_active_outputs 0x04
* sets the current set of active outputs.
* takes a struct i830_sdvo_output_flags. must be preceded by a set_in_out_map
* on multi-output devices.
#define sdvo_cmd_set_active_outputs 0x05
* returns the current mapping of sdvo inputs to outputs on the device.
* returns two struct i830_sdvo_output_flags structures.
#define sdvo_cmd_get_in_out_map 0x06
struct i830_sdvo_in_out_map {
uint16_t in0, in1;
};
* sets the current mapping of sdvo inputs to outputs on the device.
* takes two struct i380_sdvo_output_flags structures.
#define sdvo_cmd_set_in_out_map 0x07
* returns a struct i830_sdvo_output_flags of attached displays.
#define sdvo_cmd_get_attached_displays 0x0b
* returns a struct i830_sdvo_ouptut_flags of displays supporting hot plugging.
#define sdvo_cmd_get_hot_plug_support 0x0c
* takes a struct i830_sdvo_output_flags.
#define sdvo_cmd_set_active_hot_plug 0x0d
* returns a struct i830_sdvo_output_flags of displays with hot plug
* interrupts enabled.
#define sdvo_cmd_get_active_hot_plug 0x0e
#define sdvo_cmd_get_interrupt_event_source 0x0f
struct i830_sdvo_get_interrupt_event_source_response {
uint16_t interrupt_status;
unsigned int ambient_light_interrupt:1;
unsigned int pad:7;
* selects which input is affected by future input commands.
* commands affected include set_input_timings_part[12],
* get_input_timings_part[12], get_preferred_input_timings_part[12],
* get_input_pixel_clock_range, and create_preferred_input_timings.
#define sdvo_cmd_set_target_input 0x10
struct i830_sdvo_set_target_input_args {
unsigned int target_1:1;
* takes a struct i830_sdvo_output_flags of which outputs are targetted by
* future output commands.
* affected commands inclue set_output_timings_part[12],
* get_output_timings_part[12], and get_output_pixel_clock_range.
#define sdvo_cmd_set_target_output 0x11
#define sdvo_cmd_get_input_timings_part1 0x12
#define sdvo_cmd_get_input_timings_part2 0x13
#define sdvo_cmd_set_input_timings_part1 0x14
#define sdvo_cmd_set_input_timings_part2 0x15
#define sdvo_cmd_set_output_timings_part1 0x16
#define sdvo_cmd_set_output_timings_part2 0x17
#define sdvo_cmd_get_output_timings_part1 0x18
#define sdvo_cmd_get_output_timings_part2 0x19
/* part 1 */
# define sdvo_dtd_clock_low sdvo_i2c_arg_0
# define sdvo_dtd_clock_high sdvo_i2c_arg_1
# define sdvo_dtd_h_active sdvo_i2c_arg_2
# define sdvo_dtd_h_blank sdvo_i2c_arg_3
# define sdvo_dtd_h_high sdvo_i2c_arg_4
# define sdvo_dtd_v_active sdvo_i2c_arg_5
# define sdvo_dtd_v_blank sdvo_i2c_arg_6
# define sdvo_dtd_v_high sdvo_i2c_arg_7
/* part 2 */
# define sdvo_dtd_hsync_off sdvo_i2c_arg_0
# define sdvo_dtd_hsync_width sdvo_i2c_arg_1
# define sdvo_dtd_vsync_off_width sdvo_i2c_arg_2
# define sdvo_dtd_sync_off_width_high sdvo_i2c_arg_3
# define sdvo_dtd_dtd_flags sdvo_i2c_arg_4
# define sdvo_dtd_dtd_flag_interlaced (1 << 7)
# define sdvo_dtd_dtd_flag_stereo_mask (3 << 5)
# define sdvo_dtd_dtd_flag_input_mask (3 << 3)
# define sdvo_dtd_dtd_flag_sync_mask (3 << 1)
# define sdvo_dtd_sdvo_flas sdvo_i2c_arg_5
# define sdvo_dtd_sdvo_flag_stall (1 << 7)
# define sdvo_dtd_sdvo_flag_centered (0 << 6)
# define sdvo_dtd_sdvo_flag_upper_left (1 << 6)
# define sdvo_dtd_sdvo_flag_scaling_mask (3 << 4)
# define sdvo_dtd_sdvo_flag_scaling_none (0 << 4)
# define sdvo_dtd_sdvo_flag_scaling_sharp (1 << 4)
# define sdvo_dtd_sdvo_flag_scaling_smooth (2 << 4)
# define sdvo_dtd_vsync_off_high sdvo_i2c_arg_6
* generates a dtd based on the given width, height, and flags.
* this will be supported by any device supporting scaling or interlaced
* modes.
#define sdvo_cmd_create_preferred_input_timing 0x1a
# define sdvo_preferred_input_timing_clock_low sdvo_i2c_arg_0
# define sdvo_preferred_input_timing_clock_high sdvo_i2c_arg_1
# define sdvo_preferred_input_timing_width_low sdvo_i2c_arg_2
# define sdvo_preferred_input_timing_width_high sdvo_i2c_arg_3
# define sdvo_preferred_input_timing_height_low sdvo_i2c_arg_4
# define sdvo_preferred_input_timing_height_high sdvo_i2c_arg_5
# define sdvo_preferred_input_timing_flags sdvo_i2c_arg_6
# define sdvo_preferred_input_timing_flags_interlaced (1 << 0)
# define sdvo_preferred_input_timing_flags_scaled (1 << 1)
#define sdvo_cmd_get_preferred_input_timing_part1 0x1b
#define sdvo_cmd_get_preferred_input_timing_part2 0x1c
/** returns a struct i830_sdvo_pixel_clock_range */
#define sdvo_cmd_get_input_pixel_clock_range 0x1d
#define sdvo_cmd_get_output_pixel_clock_range 0x1e
/** returns a byte bitfield containing sdvo_clock_rate_mult_* flags */
#define sdvo_cmd_get_supported_clock_rate_mults 0x1f
/** returns a byte containing a sdvo_clock_rate_mult_* flag */
#define sdvo_cmd_get_clock_rate_mult 0x20
/** takes a byte containing a sdvo_clock_rate_mult_* flag */
#define sdvo_cmd_set_clock_rate_mult 0x21
# define sdvo_clock_rate_mult_1x (1 << 0)
# define sdvo_clock_rate_mult_2x (1 << 1)
# define sdvo_clock_rate_mult_4x (1 << 3)
#define sdvo_cmd_get_supported_tv_formats 0x27
/** 5 bytes of bit flags for tv formats shared by all tv format functions */
struct i830_sdvo_tv_format {
unsigned int ntsc_m:1;
unsigned int ntsc_j:1;
unsigned int ntsc_443:1;
unsigned int pal_b:1;
unsigned int pal_d:1;
unsigned int pal_g:1;
unsigned int pal_h:1;
unsigned int pal_i:1;
unsigned int pal_m:1;
unsigned int pal_n:1;
unsigned int pal_nc:1;
unsigned int pal_60:1;
unsigned int secam_b:1;
unsigned int secam_d:1;
unsigned int secam_g:1;
unsigned int secam_k:1;
unsigned int secam_k1:1;
unsigned int secam_l:1;
unsigned int secam_60:1;
unsigned int hdtv_std_smpte_240m_1080i_59:1;
unsigned int hdtv_std_smpte_240m_1080i_60:1;
unsigned int hdtv_std_smpte_260m_1080i_59:1;
unsigned int hdtv_std_smpte_260m_1080i_60:1;
unsigned int hdtv_std_smpte_270m_1080i_50:1;
unsigned int hdtv_std_smpte_274m_1080i_50:1;
unsigned int hdtv_std_smpte_274m_1080i_59:1;
unsigned int hdtv_std_smpte_274m_1080i_60:1;
unsigned int hdtv_std_smpte_274m_1080p_23:1;
unsigned int hdtv_std_smpte_274m_1080p_24:1;
unsigned int hdtv_std_smpte_274m_1080p_25:1;
unsigned int hdtv_std_smpte_274m_1080p_29:1;
unsigned int hdtv_std_smpte_274m_1080p_50:1;
unsigned int hdtv_std_smpte_274m_1080p_59:1;
unsigned int hdtv_std_smpte_274m_1080p_60:1;
unsigned int hdtv_std_smpte_295m_1080i_50:1;
unsigned int hdtv_std_smpte_295m_1080p_50:1;
unsigned int hdtv_std_smpte_296m_720p_59:1;
unsigned int hdtv_std_smpte_296m_720p_60:1;
unsigned int hdtv_std_smpte_296m_720p_50:1;
unsigned int hdtv_std_smpte_293m_480p_59:1;
unsigned int hdtv_std_smpte_270m_480i_59:1;
unsigned int hdtv_std_iturbt601_576i_50:1;
unsigned int hdtv_std_iturbt601_576p_50:1;
unsigned int hdtv_std_eia_7702a_480i_60:1;
unsigned int hdtv_std_eia_7702a_480p_60:1;
unsigned int pad:3;
#define sdvo_cmd_get_tv_format 0x28
/** this command should be run before setoutputtimingspart[12] */
#define sdvo_cmd_set_tv_format 0x29
/** returns the resolutiosn that can be used with the given tv format */
#define sdvo_cmd_get_sdtv_resolution_support 0x83
struct i830_sdvo_sdtv_resolution_request {
struct i830_sdvo_sdtv_resolution_reply {
unsigned int res_320x200:1;
unsigned int res_320x240:1;
unsigned int res_400x300:1;
unsigned int res_640x350:1;
unsigned int res_640x400:1;
unsigned int res_640x480:1;
unsigned int res_704x480:1;
unsigned int res_704x576:1;
unsigned int res_720x350:1;
unsigned int res_720x400:1;
unsigned int res_720x480:1;
unsigned int res_720x540:1;
unsigned int res_720x576:1;
unsigned int res_800x600:1;
unsigned int res_832x624:1;
unsigned int res_920x766:1;
unsigned int res_1024x768:1;
unsigned int res_1280x1024:1;
unsigned int pad:5;
#define sdvo_cmd_get_supported_power_states 0x2a
#define sdvo_cmd_get_encoder_power_state 0x2b
#define sdvo_cmd_set_encoder_power_state 0x2c
# define sdvo_encoder_state_on (1 << 0)
# define sdvo_encoder_state_standby (1 << 1)
# define sdvo_encoder_state_suspend (1 << 2)
# define sdvo_encoder_state_off (1 << 3)
#define sdvo_cmd_get_supported_enhancements 0x84
struct i830_sdvo_enhancements_reply {
unsigned int flicker_filter:1;
unsigned int flicker_filter_adaptive:1;
unsigned int flicker_filter_2d:1;
unsigned int saturation:1;
unsigned int hue:1;
unsigned int brightness:1;
unsigned int contrast:1;
unsigned int overscan_h:1;
unsigned int overscan_v:1;
unsigned int position_h:1;
unsigned int position_v:1;
unsigned int sharpness:1;
unsigned int dot_crawl:1;
unsigned int dither:1;
unsigned int max_tv_chroma_filter:1;
unsigned int max_tv_luma_filter:1;
/* picture enhancement limits below are dependent on the current tv format,
* and thus need to be queried and set after it.
#define sdvo_cmd_get_max_flicker_fiter 0x4d
#define sdvo_cmd_get_max_adaptive_flicker_fiter 0x7b
#define sdvo_cmd_get_max_2d_flicker_fiter 0x52
#define sdvo_cmd_get_max_saturation 0x55
#define sdvo_cmd_get_max_hue 0x58
#define sdvo_cmd_get_max_brightness 0x5c
#define sdvo_cmd_get_max_contrast 0x5e
#define sdvo_cmd_get_max_overscan_h 0x61
#define sdvo_cmd_get_max_overscan_v 0x64
#define sdvo_cmd_get_max_position_h 0x67
#define sdvo_cmd_get_max_position_v 0x6a
#define sdvo_cmd_get_max_sharpness_v 0x6d
#define sdvo_cmd_get_max_tv_chroma 0x74
#define sdvo_cmd_get_max_tv_luma 0x77
struct i830_sdvo_enhancement_limits_reply {
uint16_t max_value;
uint16_t default_value;
#define sdvo_cmd_get_flicker_fiter 0x4d
#define sdvo_cmd_set_flicker_fiter 0x4e
#define sdvo_cmd_get_adaptive_flicker_fiter 0x50
#define sdvo_cmd_set_adaptive_flicker_fiter 0x51
#define sdvo_cmd_get_2d_flicker_fiter 0x53
#define sdvo_cmd_set_2d_flicker_fiter 0x54
#define sdvo_cmd_get_saturation 0x56
#define sdvo_cmd_set_saturation 0x57
#define sdvo_cmd_get_hue 0x59
#define sdvo_cmd_set_hue 0x5a
#define sdvo_cmd_get_brightness 0x5c
#define sdvo_cmd_set_brightness 0x5d
#define sdvo_cmd_get_contrast 0x5f
#define sdvo_cmd_set_contrast 0x60
#define sdvo_cmd_get_overscan_h 0x62
#define sdvo_cmd_set_overscan_h 0x63
#define sdvo_cmd_get_overscan_v 0x65
#define sdvo_cmd_set_overscan_v 0x66
#define sdvo_cmd_get_position_h 0x68
#define sdvo_cmd_set_position_h 0x69
#define sdvo_cmd_get_position_v 0x6b
#define sdvo_cmd_set_position_v 0x6c
#define sdvo_cmd_get_sharpness 0x6e
#define sdvo_cmd_set_sharpness 0x6f
#define sdvo_cmd_get_tv_chroma 0x75
#define sdvo_cmd_set_tv_chroma 0x76
#define sdvo_cmd_get_tv_luma 0x78
#define sdvo_cmd_set_tv_luma 0x79
struct i830_sdvo_enhancements_arg {
uint16_t value;
}__attribute__((packed));
#define sdvo_cmd_get_dot_crawl 0x70
#define sdvo_cmd_set_dot_crawl 0x71
# define sdvo_dot_crawl_on (1 << 0)
# define sdvo_dot_crawl_default_on (1 << 1)
#define sdvo_cmd_get_dither 0x72
#define sdvo_cmd_set_dither 0x73
# define sdvo_dither_on (1 << 0)
# define sdvo_dither_default_on (1 << 1)
#define sdvo_cmd_set_tv_resolution_support 0x93
#define sdvo_cmd_set_control_bus_switch 0x7a
# define sdvo_control_bus_prom (1 << 0)
# define sdvo_control_bus_ddc1 (1 << 1)
# define sdvo_control_bus_ddc2 (1 << 2)
# define sdvo_control_bus_ddc3 (1 << 3)
/* hdmi op codes */
#define sdvo_cmd_get_supp_encode 0x9d
#define sdvo_cmd_get_encode 0x9e
#define sdvo_cmd_set_encode 0x9f
#define sdvo_encode_dvi 0x0
#define sdvo_encode_hdmi 0x1
#define sdvo_cmd_set_pixel_repli 0x8b
#define sdvo_cmd_get_pixel_repli 0x8c
#define sdvo_cmd_get_colorimetry_cap 0x8d
#define sdvo_cmd_set_colorimetry 0x8e
#define sdvo_colorimetry_rgb256 0x0
#define sdvo_colorimetry_rgb220 0x1
#define sdvo_colorimetry_ycrcb422 0x3
#define sdvo_colorimetry_ycrcb444 0x4
#define sdvo_cmd_get_colorimetry 0x8f
#define sdvo_cmd_get_audio_encrypt_prefer 0x90
#define sdvo_cmd_set_audio_stat 0x91
#define sdvo_cmd_get_audio_stat 0x92
#define sdvo_cmd_set_hbuf_index 0x93
#define sdvo_cmd_get_hbuf_index 0x94
#define sdvo_cmd_get_hbuf_info 0x95
#define sdvo_cmd_set_hbuf_av_split 0x96
#define sdvo_cmd_get_hbuf_av_split 0x97
#define sdvo_cmd_set_hbuf_data 0x98
#define sdvo_cmd_get_hbuf_data 0x99
#define sdvo_cmd_set_hbuf_txrate 0x9a
#define sdvo_cmd_get_hbuf_txrate 0x9b
#define sdvo_hbuf_tx_disabled (0 << 6)
#define sdvo_hbuf_tx_once (2 << 6)
#define sdvo_hbuf_tx_vsync (3 << 6)
#define sdvo_cmd_get_audio_tx_info 0x9c
struct i830_sdvo_encode{
uint8_t dvi_rev;
uint8_t hdmi_rev;
} __attribute__ ((packed));