diff options
Diffstat (limited to 'src/i830_sdvo_regs.h')
| -rw-r--r-- | src/i830_sdvo_regs.h | 109 |
1 files changed, 98 insertions, 11 deletions
diff --git a/src/i830_sdvo_regs.h b/src/i830_sdvo_regs.h index be3294b4..c43e17a8 100644 --- a/src/i830_sdvo_regs.h +++ b/src/i830_sdvo_regs.h @@ -25,7 +25,23 @@ * */ -typedef struct _i830_sdvo_caps { +struct i830_sdvo_output_flags { + unsigned int tmds0:1; + unsigned int rgb0:1; + unsigned int cvbs0:1; + unsigned int svid0:1; + unsigned int yprpb0:1; + unsigned int scart0:1; + unsigned int lvds0:1; + unsigned int pad0:1; + unsigned int tmds1:1; + unsigned int pad1:4; + unsigned int rgb1:1; + unsigned int lvds1:1; + unsigned int pad2:1; +} __attribute__((packed)); + +struct i830_sdvo_caps { CARD8 vendor_id; CARD8 device_id; CARD8 device_rev_id; @@ -38,13 +54,13 @@ typedef struct _i830_sdvo_caps { unsigned int down_scaling:1; unsigned int stall_support:1; unsigned int pad:1; - CARD8 output_0_supported; - CARD8 output_1_supported; -} __attribute__((packed)) i830_sdvo_caps; + struct i830_sdvo_output_flags output_flags; +} __attribute__((packed)); +/** This matches the EDID DTD structure, more or less */ struct i830_sdvo_dtd { struct { - CARD16 clock; + CARD16 clock; /**< pixel clock, in 10kHz units */ CARD8 h_active; CARD8 h_blank; CARD8 h_high; @@ -66,8 +82,8 @@ struct i830_sdvo_dtd { } __attribute__((packed)); struct i830_sdvo_pixel_clock_range { - CARD16 min; - CARD16 max; + CARD16 min; /**< pixel clock, in 10kHz units */ + CARD16 max; /**< pixel clock, in 10kHz units */ } __attribute__((packed)); struct i830_sdvo_preferred_input_timing_args { @@ -103,7 +119,7 @@ struct i830_sdvo_preferred_input_timing_args { #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_SUPP 0x5 +#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED 0x5 #define SDVO_CMD_STATUS_SCALING_NOT_SUPP 0x6 /* SDVO commands, argument/result registers */ @@ -116,29 +132,93 @@ struct i830_sdvo_preferred_input_timing_args { #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; +} __attribute__((packed)); +/** 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 +/** + * 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_INTR_EVENT_SOURCE 0x0f +#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE 0x0f +struct i830_sdvo_get_interrupt_event_source_response { + struct i830_sdvo_output_flags interrupt_status; + unsigned int ambient_light_interrupt:1; + unsigned int pad:7; +} __attribute__((packed)); +/** + * 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; + unsigned int pad:7; +} __attribute__((packed)); +/** + * 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 @@ -174,6 +254,12 @@ struct i830_sdvo_preferred_input_timing_args { # define SDVO_DTD_SDVO_FLAG_SCALING_MASK (3 << 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 @@ -193,15 +279,16 @@ struct i830_sdvo_preferred_input_timing_args { /** Returns a struct i830_sdvo_pixel_clock_range */ #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_3X (1 << 2) # define SDVO_CLOCK_RATE_MULT_4X (1 << 3) -# define SDVO_CLOCK_RATE_MULT_5X (1 << 4) #define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27 |