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/*
* Copyright © 2006 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
/**
* @file SDVO command definitions and structures.
*/
#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_inputs_mask: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;
struct {
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;
} __attribute__((packed));
struct i830_sdvo_pixel_clock_range {
uint16_t min; /**< pixel clock, in 10kHz units */
uint16_t max; /**< pixel clock, in 10kHz units */
} __attribute__((packed));
struct i830_sdvo_preferred_input_timing_args {
uint16_t clock;
uint16_t width;
uint16_t height;
} __attribute__((packed));
/* 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;
} __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_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;
} __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
#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
/** 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_4X (1 << 3)
#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27
#define SDVO_CMD_GET_TV_FORMAT 0x28
#define SDVO_CMD_SET_TV_FORMAT 0x29
#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_SET_TV_RESOLUTION_SUPPORT 0x93
#define SDVO_CMD_SET_CONTROL_BUS_SWITCH 0x7a
# define SDVO_CONTROL_BUS_PROM 0x0
# define SDVO_CONTROL_BUS_DDC1 0x1
# define SDVO_CONTROL_BUS_DDC2 0x2
# define SDVO_CONTROL_BUS_DDC3 0x3
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