 9c8af882bf
			
		
	
	
	9c8af882bf
	
	
	
		
			
			This patch adds a driver for the Analog Devices adv7511. The adv7511 is a standalone HDMI transmitter chip. It features a HDMI output interface on one end and video and audio input interfaces on the other. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
		
			
				
	
	
		
			289 lines
		
	
	
	
		
			10 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			289 lines
		
	
	
	
		
			10 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Analog Devices ADV7511 HDMI transmitter driver
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|  *
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|  * Copyright 2012 Analog Devices Inc.
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|  *
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|  * Licensed under the GPL-2.
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|  */
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| 
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| #ifndef __DRM_I2C_ADV7511_H__
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| #define __DRM_I2C_ADV7511_H__
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| 
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| #include <linux/hdmi.h>
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| 
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| #define ADV7511_REG_CHIP_REVISION		0x00
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| #define ADV7511_REG_N0				0x01
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| #define ADV7511_REG_N1				0x02
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| #define ADV7511_REG_N2				0x03
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| #define ADV7511_REG_SPDIF_FREQ			0x04
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| #define ADV7511_REG_CTS_AUTOMATIC1		0x05
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| #define ADV7511_REG_CTS_AUTOMATIC2		0x06
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| #define ADV7511_REG_CTS_MANUAL0			0x07
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| #define ADV7511_REG_CTS_MANUAL1			0x08
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| #define ADV7511_REG_CTS_MANUAL2			0x09
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| #define ADV7511_REG_AUDIO_SOURCE		0x0a
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| #define ADV7511_REG_AUDIO_CONFIG		0x0b
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| #define ADV7511_REG_I2S_CONFIG			0x0c
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| #define ADV7511_REG_I2S_WIDTH			0x0d
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| #define ADV7511_REG_AUDIO_SUB_SRC0		0x0e
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| #define ADV7511_REG_AUDIO_SUB_SRC1		0x0f
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| #define ADV7511_REG_AUDIO_SUB_SRC2		0x10
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| #define ADV7511_REG_AUDIO_SUB_SRC3		0x11
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| #define ADV7511_REG_AUDIO_CFG1			0x12
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| #define ADV7511_REG_AUDIO_CFG2			0x13
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| #define ADV7511_REG_AUDIO_CFG3			0x14
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| #define ADV7511_REG_I2C_FREQ_ID_CFG		0x15
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| #define ADV7511_REG_VIDEO_INPUT_CFG1		0x16
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| #define ADV7511_REG_CSC_UPPER(x)		(0x18 + (x) * 2)
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| #define ADV7511_REG_CSC_LOWER(x)		(0x19 + (x) * 2)
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| #define ADV7511_REG_SYNC_DECODER(x)		(0x30 + (x))
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| #define ADV7511_REG_DE_GENERATOR		(0x35 + (x))
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| #define ADV7511_REG_PIXEL_REPETITION		0x3b
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| #define ADV7511_REG_VIC_MANUAL			0x3c
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| #define ADV7511_REG_VIC_SEND			0x3d
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| #define ADV7511_REG_VIC_DETECTED		0x3e
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| #define ADV7511_REG_AUX_VIC_DETECTED		0x3f
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| #define ADV7511_REG_PACKET_ENABLE0		0x40
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| #define ADV7511_REG_POWER			0x41
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| #define ADV7511_REG_STATUS			0x42
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| #define ADV7511_REG_EDID_I2C_ADDR		0x43
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| #define ADV7511_REG_PACKET_ENABLE1		0x44
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| #define ADV7511_REG_PACKET_I2C_ADDR		0x45
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| #define ADV7511_REG_DSD_ENABLE			0x46
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| #define ADV7511_REG_VIDEO_INPUT_CFG2		0x48
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| #define ADV7511_REG_INFOFRAME_UPDATE		0x4a
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| #define ADV7511_REG_GC(x)			(0x4b + (x)) /* 0x4b - 0x51 */
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| #define ADV7511_REG_AVI_INFOFRAME_VERSION	0x52
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| #define ADV7511_REG_AVI_INFOFRAME_LENGTH	0x53
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| #define ADV7511_REG_AVI_INFOFRAME_CHECKSUM	0x54
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| #define ADV7511_REG_AVI_INFOFRAME(x)		(0x55 + (x)) /* 0x55 - 0x6f */
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| #define ADV7511_REG_AUDIO_INFOFRAME_VERSION	0x70
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| #define ADV7511_REG_AUDIO_INFOFRAME_LENGTH	0x71
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| #define ADV7511_REG_AUDIO_INFOFRAME_CHECKSUM	0x72
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| #define ADV7511_REG_AUDIO_INFOFRAME(x)		(0x73 + (x)) /* 0x73 - 0x7c */
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| #define ADV7511_REG_INT_ENABLE(x)		(0x94 + (x))
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| #define ADV7511_REG_INT(x)			(0x96 + (x))
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| #define ADV7511_REG_INPUT_CLK_DIV		0x9d
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| #define ADV7511_REG_PLL_STATUS			0x9e
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| #define ADV7511_REG_HDMI_POWER			0xa1
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| #define ADV7511_REG_HDCP_HDMI_CFG		0xaf
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| #define ADV7511_REG_AN(x)			(0xb0 + (x)) /* 0xb0 - 0xb7 */
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| #define ADV7511_REG_HDCP_STATUS			0xb8
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| #define ADV7511_REG_BCAPS			0xbe
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| #define ADV7511_REG_BKSV(x)			(0xc0 + (x)) /* 0xc0 - 0xc3 */
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| #define ADV7511_REG_EDID_SEGMENT		0xc4
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| #define ADV7511_REG_DDC_STATUS			0xc8
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| #define ADV7511_REG_EDID_READ_CTRL		0xc9
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| #define ADV7511_REG_BSTATUS(x)			(0xca + (x)) /* 0xca - 0xcb */
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| #define ADV7511_REG_TIMING_GEN_SEQ		0xd0
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| #define ADV7511_REG_POWER2			0xd6
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| #define ADV7511_REG_HSYNC_PLACEMENT_MSB		0xfa
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| 
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| #define ADV7511_REG_SYNC_ADJUSTMENT(x)		(0xd7 + (x)) /* 0xd7 - 0xdc */
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| #define ADV7511_REG_TMDS_CLOCK_INV		0xde
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| #define ADV7511_REG_ARC_CTRL			0xdf
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| #define ADV7511_REG_CEC_I2C_ADDR		0xe1
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| #define ADV7511_REG_CEC_CTRL			0xe2
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| #define ADV7511_REG_CHIP_ID_HIGH		0xf5
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| #define ADV7511_REG_CHIP_ID_LOW			0xf6
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| 
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| #define ADV7511_CSC_ENABLE			BIT(7)
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| #define ADV7511_CSC_UPDATE_MODE			BIT(5)
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| 
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| #define ADV7511_INT0_HDP			BIT(7)
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| #define ADV7511_INT0_VSYNC			BIT(5)
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| #define ADV7511_INT0_AUDIO_FIFO_FULL		BIT(4)
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| #define ADV7511_INT0_EDID_READY			BIT(2)
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| #define ADV7511_INT0_HDCP_AUTHENTICATED		BIT(1)
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| 
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| #define ADV7511_INT1_DDC_ERROR			BIT(7)
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| #define ADV7511_INT1_BKSV			BIT(6)
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| #define ADV7511_INT1_CEC_TX_READY		BIT(5)
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| #define ADV7511_INT1_CEC_TX_ARBIT_LOST		BIT(4)
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| #define ADV7511_INT1_CEC_TX_RETRY_TIMEOUT	BIT(3)
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| #define ADV7511_INT1_CEC_RX_READY3		BIT(2)
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| #define ADV7511_INT1_CEC_RX_READY2		BIT(1)
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| #define ADV7511_INT1_CEC_RX_READY1		BIT(0)
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| 
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| #define ADV7511_ARC_CTRL_POWER_DOWN		BIT(0)
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| 
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| #define ADV7511_CEC_CTRL_POWER_DOWN		BIT(0)
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| 
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| #define ADV7511_POWER_POWER_DOWN		BIT(6)
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| 
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| #define ADV7511_HDMI_CFG_MODE_MASK		0x2
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| #define ADV7511_HDMI_CFG_MODE_DVI		0x0
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| #define ADV7511_HDMI_CFG_MODE_HDMI		0x2
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| 
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| #define ADV7511_AUDIO_SELECT_I2C		0x0
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| #define ADV7511_AUDIO_SELECT_SPDIF		0x1
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| #define ADV7511_AUDIO_SELECT_DSD		0x2
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| #define ADV7511_AUDIO_SELECT_HBR		0x3
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| #define ADV7511_AUDIO_SELECT_DST		0x4
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| 
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| #define ADV7511_I2S_SAMPLE_LEN_16		0x2
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| #define ADV7511_I2S_SAMPLE_LEN_20		0x3
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| #define ADV7511_I2S_SAMPLE_LEN_18		0x4
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| #define ADV7511_I2S_SAMPLE_LEN_22		0x5
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| #define ADV7511_I2S_SAMPLE_LEN_19		0x8
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| #define ADV7511_I2S_SAMPLE_LEN_23		0x9
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| #define ADV7511_I2S_SAMPLE_LEN_24		0xb
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| #define ADV7511_I2S_SAMPLE_LEN_17		0xc
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| #define ADV7511_I2S_SAMPLE_LEN_21		0xd
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| 
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| #define ADV7511_SAMPLE_FREQ_44100		0x0
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| #define ADV7511_SAMPLE_FREQ_48000		0x2
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| #define ADV7511_SAMPLE_FREQ_32000		0x3
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| #define ADV7511_SAMPLE_FREQ_88200		0x8
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| #define ADV7511_SAMPLE_FREQ_96000		0xa
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| #define ADV7511_SAMPLE_FREQ_176400		0xc
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| #define ADV7511_SAMPLE_FREQ_192000		0xe
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| 
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| #define ADV7511_STATUS_POWER_DOWN_POLARITY	BIT(7)
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| #define ADV7511_STATUS_HPD			BIT(6)
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| #define ADV7511_STATUS_MONITOR_SENSE		BIT(5)
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| #define ADV7511_STATUS_I2S_32BIT_MODE		BIT(3)
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| 
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| #define ADV7511_PACKET_ENABLE_N_CTS		BIT(8+6)
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| #define ADV7511_PACKET_ENABLE_AUDIO_SAMPLE	BIT(8+5)
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| #define ADV7511_PACKET_ENABLE_AVI_INFOFRAME	BIT(8+4)
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| #define ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME	BIT(8+3)
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| #define ADV7511_PACKET_ENABLE_GC		BIT(7)
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| #define ADV7511_PACKET_ENABLE_SPD		BIT(6)
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| #define ADV7511_PACKET_ENABLE_MPEG		BIT(5)
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| #define ADV7511_PACKET_ENABLE_ACP		BIT(4)
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| #define ADV7511_PACKET_ENABLE_ISRC		BIT(3)
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| #define ADV7511_PACKET_ENABLE_GM		BIT(2)
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| #define ADV7511_PACKET_ENABLE_SPARE2		BIT(1)
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| #define ADV7511_PACKET_ENABLE_SPARE1		BIT(0)
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| 
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| #define ADV7511_REG_POWER2_HDP_SRC_MASK		0xc0
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| #define ADV7511_REG_POWER2_HDP_SRC_BOTH		0x00
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| #define ADV7511_REG_POWER2_HDP_SRC_HDP		0x40
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| #define ADV7511_REG_POWER2_HDP_SRC_CEC		0x80
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| #define ADV7511_REG_POWER2_HDP_SRC_NONE		0xc0
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| #define ADV7511_REG_POWER2_TDMS_ENABLE		BIT(4)
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| #define ADV7511_REG_POWER2_GATE_INPUT_CLK	BIT(0)
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| 
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| #define ADV7511_LOW_REFRESH_RATE_NONE		0x0
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| #define ADV7511_LOW_REFRESH_RATE_24HZ		0x1
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| #define ADV7511_LOW_REFRESH_RATE_25HZ		0x2
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| #define ADV7511_LOW_REFRESH_RATE_30HZ		0x3
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| 
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| #define ADV7511_AUDIO_CFG3_LEN_MASK		0x0f
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| #define ADV7511_I2C_FREQ_ID_CFG_RATE_MASK	0xf0
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| 
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| #define ADV7511_AUDIO_SOURCE_I2S		0
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| #define ADV7511_AUDIO_SOURCE_SPDIF		1
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| 
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| #define ADV7511_I2S_FORMAT_I2S			0
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| #define ADV7511_I2S_FORMAT_RIGHT_J		1
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| #define ADV7511_I2S_FORMAT_LEFT_J		2
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| 
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| #define ADV7511_PACKET(p, x)	    ((p) * 0x20 + (x))
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| #define ADV7511_PACKET_SDP(x)	    ADV7511_PACKET(0, x)
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| #define ADV7511_PACKET_MPEG(x)	    ADV7511_PACKET(1, x)
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| #define ADV7511_PACKET_ACP(x)	    ADV7511_PACKET(2, x)
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| #define ADV7511_PACKET_ISRC1(x)	    ADV7511_PACKET(3, x)
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| #define ADV7511_PACKET_ISRC2(x)	    ADV7511_PACKET(4, x)
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| #define ADV7511_PACKET_GM(x)	    ADV7511_PACKET(5, x)
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| #define ADV7511_PACKET_SPARE(x)	    ADV7511_PACKET(6, x)
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| 
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| enum adv7511_input_clock {
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| 	ADV7511_INPUT_CLOCK_1X,
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| 	ADV7511_INPUT_CLOCK_2X,
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| 	ADV7511_INPUT_CLOCK_DDR,
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| };
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| 
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| enum adv7511_input_justification {
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| 	ADV7511_INPUT_JUSTIFICATION_EVENLY = 0,
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| 	ADV7511_INPUT_JUSTIFICATION_RIGHT = 1,
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| 	ADV7511_INPUT_JUSTIFICATION_LEFT = 2,
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| };
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| 
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| enum adv7511_input_sync_pulse {
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| 	ADV7511_INPUT_SYNC_PULSE_DE = 0,
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| 	ADV7511_INPUT_SYNC_PULSE_HSYNC = 1,
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| 	ADV7511_INPUT_SYNC_PULSE_VSYNC = 2,
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| 	ADV7511_INPUT_SYNC_PULSE_NONE = 3,
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| };
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| 
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| /**
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|  * enum adv7511_sync_polarity - Polarity for the input sync signals
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|  * @ADV7511_SYNC_POLARITY_PASSTHROUGH:  Sync polarity matches that of
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|  *				       the currently configured mode.
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|  * @ADV7511_SYNC_POLARITY_LOW:	    Sync polarity is low
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|  * @ADV7511_SYNC_POLARITY_HIGH:	    Sync polarity is high
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|  *
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|  * If the polarity is set to either LOW or HIGH the driver will configure the
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|  * ADV7511 to internally invert the sync signal if required to match the sync
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|  * polarity setting for the currently selected output mode.
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|  *
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|  * If the polarity is set to PASSTHROUGH, the ADV7511 will route the signal
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|  * unchanged. This is used when the upstream graphics core already generates
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|  * the sync signals with the correct polarity.
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|  */
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| enum adv7511_sync_polarity {
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| 	ADV7511_SYNC_POLARITY_PASSTHROUGH,
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| 	ADV7511_SYNC_POLARITY_LOW,
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| 	ADV7511_SYNC_POLARITY_HIGH,
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| };
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| 
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| /**
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|  * struct adv7511_link_config - Describes adv7511 hardware configuration
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|  * @input_color_depth:		Number of bits per color component (8, 10 or 12)
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|  * @input_colorspace:		The input colorspace (RGB, YUV444, YUV422)
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|  * @input_clock:		The input video clock style (1x, 2x, DDR)
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|  * @input_style:		The input component arrangement variant
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|  * @input_justification:	Video input format bit justification
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|  * @clock_delay:		Clock delay for the input clock (in ps)
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|  * @embedded_sync:		Video input uses BT.656-style embedded sync
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|  * @sync_pulse:			Select the sync pulse
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|  * @vsync_polarity:		vsync input signal configuration
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|  * @hsync_polarity:		hsync input signal configuration
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|  */
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| struct adv7511_link_config {
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| 	unsigned int input_color_depth;
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| 	enum hdmi_colorspace input_colorspace;
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| 	enum adv7511_input_clock input_clock;
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| 	unsigned int input_style;
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| 	enum adv7511_input_justification input_justification;
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| 
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| 	int clock_delay;
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| 
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| 	bool embedded_sync;
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| 	enum adv7511_input_sync_pulse sync_pulse;
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| 	enum adv7511_sync_polarity vsync_polarity;
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| 	enum adv7511_sync_polarity hsync_polarity;
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| };
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| 
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| /**
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|  * enum adv7511_csc_scaling - Scaling factor for the ADV7511 CSC
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|  * @ADV7511_CSC_SCALING_1: CSC results are not scaled
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|  * @ADV7511_CSC_SCALING_2: CSC results are scaled by a factor of two
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|  * @ADV7511_CSC_SCALING_4: CSC results are scalled by a factor of four
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|  */
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| enum adv7511_csc_scaling {
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| 	ADV7511_CSC_SCALING_1 = 0,
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| 	ADV7511_CSC_SCALING_2 = 1,
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| 	ADV7511_CSC_SCALING_4 = 2,
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| };
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| 
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| /**
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|  * struct adv7511_video_config - Describes adv7511 hardware configuration
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|  * @csc_enable:			Whether to enable color space conversion
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|  * @csc_scaling_factor:		Color space conversion scaling factor
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|  * @csc_coefficents:		Color space conversion coefficents
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|  * @hdmi_mode:			Whether to use HDMI or DVI output mode
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|  * @avi_infoframe:		HDMI infoframe
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|  */
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| struct adv7511_video_config {
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| 	bool csc_enable;
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| 	enum adv7511_csc_scaling csc_scaling_factor;
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| 	const uint16_t *csc_coefficents;
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| 
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| 	bool hdmi_mode;
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| 	struct hdmi_avi_infoframe avi_infoframe;
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| };
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| 
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| #endif /* __DRM_I2C_ADV7511_H__ */
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