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V4L/DVB (10094): Add tw9910 driver
This patch adds tw9910 driver that use soc_camera framework. It was tested on SH Migo-r board and mplayer. create mode 100644 drivers/media/video/tw9910.c create mode 100644 include/media/tw9910.h Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kuninori Morimoto
Mauro Carvalho Chehab
parent
042d879002
commit
ed922a892e
@ -755,6 +755,12 @@ config MT9V022_PCA9536_SWITCH
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Select this if your MT9V022 camera uses a PCA9536 I2C GPIO
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extender to switch between 8 and 10 bit datawidth modes
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config SOC_CAMERA_TW9910
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tristate "tw9910 support"
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depends on SOC_CAMERA && I2C
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help
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This is a tw9910 video driver
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config SOC_CAMERA_PLATFORM
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tristate "platform camera support"
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depends on SOC_CAMERA
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@ -140,6 +140,7 @@ obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o
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obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o
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obj-$(CONFIG_SOC_CAMERA_OV772X) += ov772x.o
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obj-$(CONFIG_SOC_CAMERA_PLATFORM) += soc_camera_platform.o
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obj-$(CONFIG_SOC_CAMERA_TW9910) += tw9910.o
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obj-$(CONFIG_VIDEO_AU0828) += au0828/
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941
drivers/media/video/tw9910.c
Normal file
941
drivers/media/video/tw9910.c
Normal file
@ -0,0 +1,941 @@
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/*
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* tw9910 Video Driver
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*
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* Copyright (C) 2008 Renesas Solutions Corp.
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* Kuninori Morimoto <morimoto.kuninori@renesas.com>
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*
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* Based on ov772x driver,
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*
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* Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com>
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* Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
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* Copyright (C) 2008 Magnus Damm
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* Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-chip-ident.h>
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#include <media/v4l2-common.h>
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#include <media/soc_camera.h>
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#include <media/tw9910.h>
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#define GET_ID(val) ((val & 0xF8) >> 3)
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#define GET_ReV(val) (val & 0x07)
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/*
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* register offset
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*/
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#define ID 0x00 /* Product ID Code Register */
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#define STATUS1 0x01 /* Chip Status Register I */
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#define INFORM 0x02 /* Input Format */
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#define OPFORM 0x03 /* Output Format Control Register */
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#define DLYCTR 0x04 /* Hysteresis and HSYNC Delay Control */
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#define OUTCTR1 0x05 /* Output Control I */
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#define ACNTL1 0x06 /* Analog Control Register 1 */
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#define CROP_HI 0x07 /* Cropping Register, High */
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#define VDELAY_LO 0x08 /* Vertical Delay Register, Low */
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#define VACTIVE_LO 0x09 /* Vertical Active Register, Low */
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#define HDELAY_LO 0x0A /* Horizontal Delay Register, Low */
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#define HACTIVE_LO 0x0B /* Horizontal Active Register, Low */
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#define CNTRL1 0x0C /* Control Register I */
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#define VSCALE_LO 0x0D /* Vertical Scaling Register, Low */
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#define SCALE_HI 0x0E /* Scaling Register, High */
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#define HSCALE_LO 0x0F /* Horizontal Scaling Register, Low */
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#define BRIGHT 0x10 /* BRIGHTNESS Control Register */
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#define CONTRAST 0x11 /* CONTRAST Control Register */
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#define SHARPNESS 0x12 /* SHARPNESS Control Register I */
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#define SAT_U 0x13 /* Chroma (U) Gain Register */
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#define SAT_V 0x14 /* Chroma (V) Gain Register */
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#define HUE 0x15 /* Hue Control Register */
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#define CORING1 0x17
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#define CORING2 0x18 /* Coring and IF compensation */
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#define VBICNTL 0x19 /* VBI Control Register */
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#define ACNTL2 0x1A /* Analog Control 2 */
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#define OUTCTR2 0x1B /* Output Control 2 */
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#define SDT 0x1C /* Standard Selection */
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#define SDTR 0x1D /* Standard Recognition */
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#define TEST 0x1F /* Test Control Register */
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#define CLMPG 0x20 /* Clamping Gain */
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#define IAGC 0x21 /* Individual AGC Gain */
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#define AGCGAIN 0x22 /* AGC Gain */
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#define PEAKWT 0x23 /* White Peak Threshold */
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#define CLMPL 0x24 /* Clamp level */
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#define SYNCT 0x25 /* Sync Amplitude */
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#define MISSCNT 0x26 /* Sync Miss Count Register */
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#define PCLAMP 0x27 /* Clamp Position Register */
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#define VCNTL1 0x28 /* Vertical Control I */
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#define VCNTL2 0x29 /* Vertical Control II */
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#define CKILL 0x2A /* Color Killer Level Control */
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#define COMB 0x2B /* Comb Filter Control */
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#define LDLY 0x2C /* Luma Delay and H Filter Control */
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#define MISC1 0x2D /* Miscellaneous Control I */
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#define LOOP 0x2E /* LOOP Control Register */
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#define MISC2 0x2F /* Miscellaneous Control II */
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#define MVSN 0x30 /* Macrovision Detection */
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#define STATUS2 0x31 /* Chip STATUS II */
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#define HFREF 0x32 /* H monitor */
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#define CLMD 0x33 /* CLAMP MODE */
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#define IDCNTL 0x34 /* ID Detection Control */
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#define CLCNTL1 0x35 /* Clamp Control I */
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#define ANAPLLCTL 0x4C
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#define VBIMIN 0x4D
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#define HSLOWCTL 0x4E
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#define WSS3 0x4F
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#define FILLDATA 0x50
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#define SDID 0x51
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#define DID 0x52
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#define WSS1 0x53
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#define WSS2 0x54
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#define VVBI 0x55
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#define LCTL6 0x56
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#define LCTL7 0x57
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#define LCTL8 0x58
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#define LCTL9 0x59
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#define LCTL10 0x5A
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#define LCTL11 0x5B
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#define LCTL12 0x5C
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#define LCTL13 0x5D
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#define LCTL14 0x5E
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#define LCTL15 0x5F
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#define LCTL16 0x60
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#define LCTL17 0x61
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#define LCTL18 0x62
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#define LCTL19 0x63
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#define LCTL20 0x64
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#define LCTL21 0x65
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#define LCTL22 0x66
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#define LCTL23 0x67
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#define LCTL24 0x68
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#define LCTL25 0x69
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#define LCTL26 0x6A
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#define HSGEGIN 0x6B
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#define HSEND 0x6C
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#define OVSDLY 0x6D
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#define OVSEND 0x6E
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#define VBIDELAY 0x6F
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/*
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* register detail
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*/
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/* INFORM */
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#define FC27_ON 0x40 /* 1 : Input crystal clock frequency is 27MHz */
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#define FC27_FF 0x00 /* 0 : Square pixel mode. */
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/* Must use 24.54MHz for 60Hz field rate */
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/* source or 29.5MHz for 50Hz field rate */
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#define IFSEL_S 0x10 /* 01 : S-video decoding */
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#define IFSEL_C 0x00 /* 00 : Composite video decoding */
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/* Y input video selection */
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#define YSEL_M0 0x00 /* 00 : Mux0 selected */
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#define YSEL_M1 0x04 /* 01 : Mux1 selected */
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#define YSEL_M2 0x08 /* 10 : Mux2 selected */
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#define YSEL_M3 0x10 /* 11 : Mux3 selected */
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/* OPFORM */
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#define MODE 0x80 /* 0 : CCIR601 compatible YCrCb 4:2:2 format */
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/* 1 : ITU-R-656 compatible data sequence format */
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#define LEN 0x40 /* 0 : 8-bit YCrCb 4:2:2 output format */
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/* 1 : 16-bit YCrCb 4:2:2 output format.*/
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#define LLCMODE 0x20 /* 1 : LLC output mode. */
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/* 0 : free-run output mode */
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#define AINC 0x10 /* Serial interface auto-indexing control */
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/* 0 : auto-increment */
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/* 1 : non-auto */
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#define VSCTL 0x08 /* 1 : Vertical out ctrl by DVALID */
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/* 0 : Vertical out ctrl by HACTIVE and DVALID */
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#define OEN 0x04 /* Output Enable together with TRI_SEL. */
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/* OUTCTR1 */
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#define VSP_LO 0x00 /* 0 : VS pin output polarity is active low */
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#define VSP_HI 0x80 /* 1 : VS pin output polarity is active high. */
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/* VS pin output control */
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#define VSSL_VSYNC 0x00 /* 0 : VSYNC */
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#define VSSL_VACT 0x10 /* 1 : VACT */
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#define VSSL_FIELD 0x20 /* 2 : FIELD */
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#define VSSL_VVALID 0x30 /* 3 : VVALID */
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#define VSSL_ZERO 0x70 /* 7 : 0 */
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#define HSP_LOW 0x00 /* 0 : HS pin output polarity is active low */
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#define HSP_HI 0x08 /* 1 : HS pin output polarity is active high.*/
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/* HS pin output control */
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#define HSSL_HACT 0x00 /* 0 : HACT */
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#define HSSL_HSYNC 0x01 /* 1 : HSYNC */
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#define HSSL_DVALID 0x02 /* 2 : DVALID */
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#define HSSL_HLOCK 0x03 /* 3 : HLOCK */
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#define HSSL_ASYNCW 0x04 /* 4 : ASYNCW */
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#define HSSL_ZERO 0x07 /* 7 : 0 */
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/* ACNTL1 */
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#define SRESET 0x80 /* resets the device to its default state
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* but all register content remain unchanged.
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* This bit is self-resetting.
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*/
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/* VBICNTL */
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/* RTSEL : control the real time signal
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* output from the MPOUT pin
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*/
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#define RTSEL_MASK 0x07
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#define RTSEL_VLOSS 0x00 /* 0000 = Video loss */
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#define RTSEL_HLOCK 0x01 /* 0001 = H-lock */
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#define RTSEL_SLOCK 0x02 /* 0010 = S-lock */
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#define RTSEL_VLOCK 0x03 /* 0011 = V-lock */
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#define RTSEL_MONO 0x04 /* 0100 = MONO */
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#define RTSEL_DET50 0x05 /* 0101 = DET50 */
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#define RTSEL_FIELD 0x06 /* 0110 = FIELD */
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#define RTSEL_RTCO 0x07 /* 0111 = RTCO ( Real Time Control ) */
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/*
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* structure
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*/
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struct regval_list {
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unsigned char reg_num;
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unsigned char value;
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};
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struct tw9910_scale_ctrl {
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char *name;
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unsigned short width;
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unsigned short height;
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u16 hscale;
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u16 vscale;
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};
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struct tw9910_cropping_ctrl {
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u16 vdelay;
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u16 vactive;
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u16 hdelay;
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u16 hactive;
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};
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struct tw9910_hsync_ctrl {
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u16 start;
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u16 end;
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};
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struct tw9910_priv {
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struct tw9910_video_info *info;
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struct i2c_client *client;
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struct soc_camera_device icd;
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const struct tw9910_scale_ctrl *scale;
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};
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/*
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* register settings
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*/
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#define ENDMARKER { 0xff, 0xff }
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static const struct regval_list tw9910_default_regs[] =
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{
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{ OPFORM, 0x00 },
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{ OUTCTR1, VSP_LO | VSSL_VVALID | HSP_HI | HSSL_HSYNC },
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ENDMARKER,
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};
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static const struct soc_camera_data_format tw9910_color_fmt[] = {
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{
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.name = "VYUY",
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.fourcc = V4L2_PIX_FMT_VYUY,
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.depth = 16,
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.colorspace = V4L2_COLORSPACE_SMPTE170M,
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}
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};
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static const struct tw9910_scale_ctrl tw9910_ntsc_scales[] = {
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{
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.name = "NTSC SQ",
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.width = 640,
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.height = 480,
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.hscale = 0x0100,
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.vscale = 0x0100,
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},
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{
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.name = "NTSC CCIR601",
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.width = 720,
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.height = 480,
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.hscale = 0x0100,
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.vscale = 0x0100,
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},
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{
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.name = "NTSC SQ (CIF)",
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.width = 320,
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.height = 240,
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.hscale = 0x0200,
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.vscale = 0x0200,
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},
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{
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.name = "NTSC CCIR601 (CIF)",
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.width = 360,
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.height = 240,
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.hscale = 0x0200,
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.vscale = 0x0200,
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},
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{
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.name = "NTSC SQ (QCIF)",
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.width = 160,
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.height = 120,
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.hscale = 0x0400,
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.vscale = 0x0400,
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},
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{
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.name = "NTSC CCIR601 (QCIF)",
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.width = 180,
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.height = 120,
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.hscale = 0x0400,
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.vscale = 0x0400,
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},
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};
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static const struct tw9910_scale_ctrl tw9910_pal_scales[] = {
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{
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.name = "PAL SQ",
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.width = 768,
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.height = 576,
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.hscale = 0x0100,
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.vscale = 0x0100,
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},
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{
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.name = "PAL CCIR601",
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.width = 720,
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.height = 576,
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.hscale = 0x0100,
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.vscale = 0x0100,
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},
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{
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.name = "PAL SQ (CIF)",
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.width = 384,
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.height = 288,
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.hscale = 0x0200,
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.vscale = 0x0200,
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},
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{
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.name = "PAL CCIR601 (CIF)",
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.width = 360,
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.height = 288,
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.hscale = 0x0200,
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.vscale = 0x0200,
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},
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{
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.name = "PAL SQ (QCIF)",
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.width = 192,
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.height = 144,
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.hscale = 0x0400,
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.vscale = 0x0400,
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},
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{
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.name = "PAL CCIR601 (QCIF)",
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.width = 180,
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.height = 144,
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.hscale = 0x0400,
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.vscale = 0x0400,
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},
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};
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static const struct tw9910_cropping_ctrl tw9910_cropping_ctrl = {
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.vdelay = 0x0012,
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.vactive = 0x00F0,
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.hdelay = 0x0010,
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.hactive = 0x02D0,
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};
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static const struct tw9910_hsync_ctrl tw9910_hsync_ctrl = {
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.start = 0x0260,
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.end = 0x0300,
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};
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/*
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* general function
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*/
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static int tw9910_set_scale(struct i2c_client *client,
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const struct tw9910_scale_ctrl *scale)
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{
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int ret;
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ret = i2c_smbus_write_byte_data(client, SCALE_HI,
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(scale->vscale & 0x0F00) >> 4 |
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(scale->hscale & 0x0F00) >> 8);
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if (ret < 0)
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return ret;
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ret = i2c_smbus_write_byte_data(client, HSCALE_LO,
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scale->hscale & 0x00FF);
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if (ret < 0)
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return ret;
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ret = i2c_smbus_write_byte_data(client, VSCALE_LO,
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scale->vscale & 0x00FF);
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return ret;
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}
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static int tw9910_set_cropping(struct i2c_client *client,
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const struct tw9910_cropping_ctrl *cropping)
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{
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int ret;
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ret = i2c_smbus_write_byte_data(client, CROP_HI,
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(cropping->vdelay & 0x0300) >> 2 |
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(cropping->vactive & 0x0300) >> 4 |
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(cropping->hdelay & 0x0300) >> 6 |
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(cropping->hactive & 0x0300) >> 8);
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if (ret < 0)
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return ret;
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ret = i2c_smbus_write_byte_data(client, VDELAY_LO,
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cropping->vdelay & 0x00FF);
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if (ret < 0)
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return ret;
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ret = i2c_smbus_write_byte_data(client, VACTIVE_LO,
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cropping->vactive & 0x00FF);
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if (ret < 0)
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return ret;
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ret = i2c_smbus_write_byte_data(client, HDELAY_LO,
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cropping->hdelay & 0x00FF);
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if (ret < 0)
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return ret;
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ret = i2c_smbus_write_byte_data(client, HACTIVE_LO,
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cropping->hactive & 0x00FF);
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return ret;
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}
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static int tw9910_set_hsync(struct i2c_client *client,
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const struct tw9910_hsync_ctrl *hsync)
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{
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int ret;
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/* bit 10 - 3 */
|
||||
ret = i2c_smbus_write_byte_data(client, HSGEGIN,
|
||||
(hsync->start & 0x07F8) >> 3);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* bit 10 - 3 */
|
||||
ret = i2c_smbus_write_byte_data(client, HSEND,
|
||||
(hsync->end & 0x07F8) >> 3);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* bit 2 - 0 */
|
||||
ret = i2c_smbus_read_byte_data(client, HSLOWCTL);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret = i2c_smbus_write_byte_data(client, HSLOWCTL,
|
||||
(ret & 0x88) |
|
||||
(hsync->start & 0x0007) << 4 |
|
||||
(hsync->end & 0x0007));
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tw9910_write_array(struct i2c_client *client,
|
||||
const struct regval_list *vals)
|
||||
{
|
||||
while (vals->reg_num != 0xff) {
|
||||
int ret = i2c_smbus_write_byte_data(client,
|
||||
vals->reg_num,
|
||||
vals->value);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
vals++;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tw9910_mask_set(struct i2c_client *client, u8 command,
|
||||
u8 mask, u8 set)
|
||||
{
|
||||
s32 val = i2c_smbus_read_byte_data(client, command);
|
||||
|
||||
val &= ~mask;
|
||||
val |= set;
|
||||
|
||||
return i2c_smbus_write_byte_data(client, command, val);
|
||||
}
|
||||
|
||||
static void tw9910_reset(struct i2c_client *client)
|
||||
{
|
||||
i2c_smbus_write_byte_data(client, ACNTL1, SRESET);
|
||||
msleep(1);
|
||||
}
|
||||
|
||||
static const struct tw9910_scale_ctrl*
|
||||
tw9910_select_norm(struct soc_camera_device *icd, u32 width, u32 height)
|
||||
{
|
||||
const struct tw9910_scale_ctrl *scale;
|
||||
const struct tw9910_scale_ctrl *ret = NULL;
|
||||
v4l2_std_id norm = icd->vdev->current_norm;
|
||||
__u32 diff = 0xffffffff, tmp;
|
||||
int size, i;
|
||||
|
||||
if (norm & V4L2_STD_NTSC) {
|
||||
scale = tw9910_ntsc_scales;
|
||||
size = ARRAY_SIZE(tw9910_ntsc_scales);
|
||||
} else if (norm & V4L2_STD_PAL) {
|
||||
scale = tw9910_pal_scales;
|
||||
size = ARRAY_SIZE(tw9910_pal_scales);
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
for (i = 0; i < size; i++) {
|
||||
tmp = abs(width - scale[i].width) +
|
||||
abs(height - scale[i].height);
|
||||
if (tmp < diff) {
|
||||
diff = tmp;
|
||||
ret = scale + i;
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* soc_camera_ops function
|
||||
*/
|
||||
static int tw9910_init(struct soc_camera_device *icd)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
int ret = 0;
|
||||
|
||||
if (priv->info->link.power) {
|
||||
ret = priv->info->link.power(&priv->client->dev, 1);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (priv->info->link.reset)
|
||||
ret = priv->info->link.reset(&priv->client->dev);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tw9910_release(struct soc_camera_device *icd)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
int ret = 0;
|
||||
|
||||
if (priv->info->link.power)
|
||||
ret = priv->info->link.power(&priv->client->dev, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tw9910_start_capture(struct soc_camera_device *icd)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
|
||||
if (!priv->scale) {
|
||||
dev_err(&icd->dev, "norm select error\n");
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
dev_dbg(&icd->dev, "%s %dx%d\n",
|
||||
priv->scale->name,
|
||||
priv->scale->width,
|
||||
priv->scale->height);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tw9910_stop_capture(struct soc_camera_device *icd)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tw9910_set_bus_param(struct soc_camera_device *icd,
|
||||
unsigned long flags)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned long tw9910_query_bus_param(struct soc_camera_device *icd)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
struct soc_camera_link *icl = priv->client->dev.platform_data;
|
||||
unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
|
||||
SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
|
||||
SOCAM_DATA_ACTIVE_HIGH | priv->info->buswidth;
|
||||
|
||||
return soc_camera_apply_sensor_flags(icl, flags);
|
||||
}
|
||||
|
||||
static int tw9910_get_chip_id(struct soc_camera_device *icd,
|
||||
struct v4l2_chip_ident *id)
|
||||
{
|
||||
id->ident = V4L2_IDENT_TW9910;
|
||||
id->revision = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tw9910_set_std(struct soc_camera_device *icd,
|
||||
v4l2_std_id *a)
|
||||
{
|
||||
int ret = -EINVAL;
|
||||
|
||||
if (*a & (V4L2_STD_NTSC | V4L2_STD_PAL))
|
||||
ret = 0;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tw9910_enum_input(struct soc_camera_device *icd,
|
||||
struct v4l2_input *inp)
|
||||
{
|
||||
inp->type = V4L2_INPUT_TYPE_TUNER;
|
||||
inp->std = V4L2_STD_UNKNOWN;
|
||||
strcpy(inp->name, "Video");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
||||
static int tw9910_get_register(struct soc_camera_device *icd,
|
||||
struct v4l2_register *reg)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
int ret;
|
||||
|
||||
if (reg->reg > 0xff)
|
||||
return -EINVAL;
|
||||
|
||||
ret = i2c_smbus_read_byte_data(priv->client, reg->reg);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* ret = int
|
||||
* reg->val = __u64
|
||||
*/
|
||||
reg->val = (__u64)ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tw9910_set_register(struct soc_camera_device *icd,
|
||||
struct v4l2_register *reg)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
|
||||
if (reg->reg > 0xff ||
|
||||
reg->val > 0xff)
|
||||
return -EINVAL;
|
||||
|
||||
return i2c_smbus_write_byte_data(priv->client, reg->reg, reg->val);
|
||||
}
|
||||
#endif
|
||||
|
||||
static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt,
|
||||
struct v4l2_rect *rect)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
int ret = -EINVAL;
|
||||
u8 val;
|
||||
|
||||
/*
|
||||
* select suitable norm
|
||||
*/
|
||||
priv->scale = tw9910_select_norm(icd, rect->width, rect->height);
|
||||
if (!priv->scale)
|
||||
return ret;
|
||||
|
||||
/*
|
||||
* reset hardware
|
||||
*/
|
||||
tw9910_reset(priv->client);
|
||||
ret = tw9910_write_array(priv->client, tw9910_default_regs);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
/*
|
||||
* set bus width
|
||||
*/
|
||||
val = 0x00;
|
||||
if (SOCAM_DATAWIDTH_16 == priv->info->buswidth)
|
||||
val = LEN;
|
||||
|
||||
ret = tw9910_mask_set(priv->client, OPFORM, LEN, val);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/*
|
||||
* select MPOUT behavior
|
||||
*/
|
||||
switch (priv->info->mpout) {
|
||||
case TW9910_MPO_VLOSS:
|
||||
val = RTSEL_VLOSS; break;
|
||||
case TW9910_MPO_HLOCK:
|
||||
val = RTSEL_HLOCK; break;
|
||||
case TW9910_MPO_SLOCK:
|
||||
val = RTSEL_SLOCK; break;
|
||||
case TW9910_MPO_VLOCK:
|
||||
val = RTSEL_VLOCK; break;
|
||||
case TW9910_MPO_MONO:
|
||||
val = RTSEL_MONO; break;
|
||||
case TW9910_MPO_DET50:
|
||||
val = RTSEL_DET50; break;
|
||||
case TW9910_MPO_FIELD:
|
||||
val = RTSEL_FIELD; break;
|
||||
case TW9910_MPO_RTCO:
|
||||
val = RTSEL_RTCO; break;
|
||||
default:
|
||||
val = 0;
|
||||
}
|
||||
|
||||
ret = tw9910_mask_set(priv->client, VBICNTL, RTSEL_MASK, val);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/*
|
||||
* set scale
|
||||
*/
|
||||
ret = tw9910_set_scale(priv->client, priv->scale);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/*
|
||||
* set cropping
|
||||
*/
|
||||
ret = tw9910_set_cropping(priv->client, &tw9910_cropping_ctrl);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/*
|
||||
* set hsync
|
||||
*/
|
||||
ret = tw9910_set_hsync(priv->client, &tw9910_hsync_ctrl);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tw9910_try_fmt(struct soc_camera_device *icd,
|
||||
struct v4l2_format *f)
|
||||
{
|
||||
struct v4l2_pix_format *pix = &f->fmt.pix;
|
||||
const struct tw9910_scale_ctrl *scale;
|
||||
|
||||
if (V4L2_FIELD_ANY == pix->field) {
|
||||
pix->field = V4L2_FIELD_INTERLACED;
|
||||
} else if (V4L2_FIELD_INTERLACED != pix->field) {
|
||||
dev_err(&icd->dev, "Field type invalid.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/*
|
||||
* select suitable norm
|
||||
*/
|
||||
scale = tw9910_select_norm(icd, pix->width, pix->height);
|
||||
if (!scale)
|
||||
return -EINVAL;
|
||||
|
||||
pix->width = scale->width;
|
||||
pix->height = scale->height;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tw9910_video_probe(struct soc_camera_device *icd)
|
||||
{
|
||||
struct tw9910_priv *priv = container_of(icd, struct tw9910_priv, icd);
|
||||
s32 val;
|
||||
int ret;
|
||||
|
||||
/*
|
||||
* We must have a parent by now. And it cannot be a wrong one.
|
||||
* So this entire test is completely redundant.
|
||||
*/
|
||||
if (!icd->dev.parent ||
|
||||
to_soc_camera_host(icd->dev.parent)->nr != icd->iface)
|
||||
return -ENODEV;
|
||||
|
||||
/*
|
||||
* tw9910 only use 8 or 16 bit bus width
|
||||
*/
|
||||
if (SOCAM_DATAWIDTH_16 != priv->info->buswidth &&
|
||||
SOCAM_DATAWIDTH_8 != priv->info->buswidth) {
|
||||
dev_err(&icd->dev, "bus width error\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
icd->formats = tw9910_color_fmt;
|
||||
icd->num_formats = ARRAY_SIZE(tw9910_color_fmt);
|
||||
|
||||
/*
|
||||
* check and show Product ID
|
||||
*/
|
||||
val = i2c_smbus_read_byte_data(priv->client, ID);
|
||||
if (0x0B != GET_ID(val) ||
|
||||
0x00 != GET_ReV(val)) {
|
||||
dev_err(&icd->dev,
|
||||
"Product ID error %x:%x\n", GET_ID(val), GET_ReV(val));
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
dev_info(&icd->dev,
|
||||
"tw9910 Product ID %0x:%0x\n", GET_ID(val), GET_ReV(val));
|
||||
|
||||
ret = soc_camera_video_start(icd);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
icd->vdev->tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL;
|
||||
icd->vdev->current_norm = V4L2_STD_NTSC;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void tw9910_video_remove(struct soc_camera_device *icd)
|
||||
{
|
||||
soc_camera_video_stop(icd);
|
||||
}
|
||||
|
||||
static struct soc_camera_ops tw9910_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.probe = tw9910_video_probe,
|
||||
.remove = tw9910_video_remove,
|
||||
.init = tw9910_init,
|
||||
.release = tw9910_release,
|
||||
.start_capture = tw9910_start_capture,
|
||||
.stop_capture = tw9910_stop_capture,
|
||||
.set_fmt = tw9910_set_fmt,
|
||||
.try_fmt = tw9910_try_fmt,
|
||||
.set_bus_param = tw9910_set_bus_param,
|
||||
.query_bus_param = tw9910_query_bus_param,
|
||||
.get_chip_id = tw9910_get_chip_id,
|
||||
.set_std = tw9910_set_std,
|
||||
.enum_input = tw9910_enum_input,
|
||||
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
||||
.get_register = tw9910_get_register,
|
||||
.set_register = tw9910_set_register,
|
||||
#endif
|
||||
};
|
||||
|
||||
/*
|
||||
* i2c_driver function
|
||||
*/
|
||||
|
||||
static int tw9910_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *did)
|
||||
|
||||
{
|
||||
struct tw9910_priv *priv;
|
||||
struct tw9910_video_info *info;
|
||||
struct soc_camera_device *icd;
|
||||
const struct tw9910_scale_ctrl *scale;
|
||||
int i, ret;
|
||||
|
||||
info = client->dev.platform_data;
|
||||
if (!info)
|
||||
return -EINVAL;
|
||||
|
||||
if (!i2c_check_functionality(to_i2c_adapter(client->dev.parent),
|
||||
I2C_FUNC_SMBUS_BYTE_DATA)) {
|
||||
dev_err(&client->dev,
|
||||
"I2C-Adapter doesn't support "
|
||||
"I2C_FUNC_SMBUS_BYTE_DATA\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
|
||||
if (!priv)
|
||||
return -ENOMEM;
|
||||
|
||||
priv->info = info;
|
||||
priv->client = client;
|
||||
i2c_set_clientdata(client, priv);
|
||||
|
||||
icd = &priv->icd;
|
||||
icd->ops = &tw9910_ops;
|
||||
icd->control = &client->dev;
|
||||
icd->iface = info->link.bus_id;
|
||||
|
||||
/*
|
||||
* set width and height
|
||||
*/
|
||||
icd->width_max = tw9910_ntsc_scales[0].width; /* set default */
|
||||
icd->width_min = tw9910_ntsc_scales[0].width;
|
||||
icd->height_max = tw9910_ntsc_scales[0].height;
|
||||
icd->height_min = tw9910_ntsc_scales[0].height;
|
||||
|
||||
scale = tw9910_ntsc_scales;
|
||||
for (i = 0; i < ARRAY_SIZE(tw9910_ntsc_scales); i++) {
|
||||
icd->width_max = max(scale[i].width, icd->width_max);
|
||||
icd->width_min = min(scale[i].width, icd->width_min);
|
||||
icd->height_max = max(scale[i].height, icd->height_max);
|
||||
icd->height_min = min(scale[i].height, icd->height_min);
|
||||
}
|
||||
scale = tw9910_pal_scales;
|
||||
for (i = 0; i < ARRAY_SIZE(tw9910_pal_scales); i++) {
|
||||
icd->width_max = max(scale[i].width, icd->width_max);
|
||||
icd->width_min = min(scale[i].width, icd->width_min);
|
||||
icd->height_max = max(scale[i].height, icd->height_max);
|
||||
icd->height_min = min(scale[i].height, icd->height_min);
|
||||
}
|
||||
|
||||
ret = soc_camera_device_register(icd);
|
||||
|
||||
if (ret) {
|
||||
i2c_set_clientdata(client, NULL);
|
||||
kfree(priv);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tw9910_remove(struct i2c_client *client)
|
||||
{
|
||||
struct tw9910_priv *priv = i2c_get_clientdata(client);
|
||||
|
||||
soc_camera_device_unregister(&priv->icd);
|
||||
i2c_set_clientdata(client, NULL);
|
||||
kfree(priv);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id tw9910_id[] = {
|
||||
{ "tw9910", 0 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, tw9910_id);
|
||||
|
||||
static struct i2c_driver tw9910_i2c_driver = {
|
||||
.driver = {
|
||||
.name = "tw9910",
|
||||
},
|
||||
.probe = tw9910_probe,
|
||||
.remove = tw9910_remove,
|
||||
.id_table = tw9910_id,
|
||||
};
|
||||
|
||||
/*
|
||||
* module function
|
||||
*/
|
||||
static int __init tw9910_module_init(void)
|
||||
{
|
||||
return i2c_add_driver(&tw9910_i2c_driver);
|
||||
}
|
||||
|
||||
static void __exit tw9910_module_exit(void)
|
||||
{
|
||||
i2c_del_driver(&tw9910_i2c_driver);
|
||||
}
|
||||
|
||||
module_init(tw9910_module_init);
|
||||
module_exit(tw9910_module_exit);
|
||||
|
||||
MODULE_DESCRIPTION("SoC Camera driver for tw9910");
|
||||
MODULE_AUTHOR("Kuninori Morimoto");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
39
include/media/tw9910.h
Normal file
39
include/media/tw9910.h
Normal file
@ -0,0 +1,39 @@
|
||||
/*
|
||||
* tw9910 Driver header
|
||||
*
|
||||
* Copyright (C) 2008 Renesas Solutions Corp.
|
||||
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
|
||||
*
|
||||
* Based on ov772x.h
|
||||
*
|
||||
* Copyright (C) Kuninori Morimoto <morimoto.kuninori@renesas.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#ifndef __TW9910_H__
|
||||
#define __TW9910_H__
|
||||
|
||||
#include <media/soc_camera.h>
|
||||
|
||||
enum tw9910_mpout_pin {
|
||||
TW9910_MPO_VLOSS,
|
||||
TW9910_MPO_HLOCK,
|
||||
TW9910_MPO_SLOCK,
|
||||
TW9910_MPO_VLOCK,
|
||||
TW9910_MPO_MONO,
|
||||
TW9910_MPO_DET50,
|
||||
TW9910_MPO_FIELD,
|
||||
TW9910_MPO_RTCO,
|
||||
};
|
||||
|
||||
struct tw9910_video_info {
|
||||
unsigned long buswidth;
|
||||
enum tw9910_mpout_pin mpout;
|
||||
struct soc_camera_link link;
|
||||
};
|
||||
|
||||
|
||||
#endif /* __TW9910_H__ */
|
||||
@ -87,6 +87,9 @@ enum {
|
||||
/* module wm8775: just ident 8775 */
|
||||
V4L2_IDENT_WM8775 = 8775,
|
||||
|
||||
/* module tw9910: just ident 9910 */
|
||||
V4L2_IDENT_TW9910 = 9910,
|
||||
|
||||
/* module cs53132a: just ident 53132 */
|
||||
V4L2_IDENT_CS53l32A = 53132,
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user