1622 строки
43 KiB
C
1622 строки
43 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* adv7180.c Analog Devices ADV7180 video decoder driver
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* Copyright (c) 2009 Intel Corporation
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* Copyright (C) 2013 Cogent Embedded, Inc.
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* Copyright (C) 2013 Renesas Solutions Corp.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/i2c.h>
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#include <linux/slab.h>
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#include <linux/of.h>
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#include <linux/gpio/consumer.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ctrls.h>
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#include <linux/mutex.h>
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#include <linux/delay.h>
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#define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM 0x0
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#define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED 0x1
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#define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM 0x2
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#define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM 0x3
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#define ADV7180_STD_NTSC_J 0x4
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#define ADV7180_STD_NTSC_M 0x5
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#define ADV7180_STD_PAL60 0x6
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#define ADV7180_STD_NTSC_443 0x7
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#define ADV7180_STD_PAL_BG 0x8
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#define ADV7180_STD_PAL_N 0x9
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#define ADV7180_STD_PAL_M 0xa
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#define ADV7180_STD_PAL_M_PED 0xb
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#define ADV7180_STD_PAL_COMB_N 0xc
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#define ADV7180_STD_PAL_COMB_N_PED 0xd
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#define ADV7180_STD_PAL_SECAM 0xe
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#define ADV7180_STD_PAL_SECAM_PED 0xf
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#define ADV7180_REG_INPUT_CONTROL 0x0000
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#define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
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#define ADV7182_REG_INPUT_VIDSEL 0x0002
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#define ADV7180_REG_OUTPUT_CONTROL 0x0003
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#define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
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#define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
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#define ADV7180_REG_AUTODETECT_ENABLE 0x0007
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#define ADV7180_AUTODETECT_DEFAULT 0x7f
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/* Contrast */
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#define ADV7180_REG_CON 0x0008 /*Unsigned */
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#define ADV7180_CON_MIN 0
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#define ADV7180_CON_DEF 128
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#define ADV7180_CON_MAX 255
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/* Brightness*/
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#define ADV7180_REG_BRI 0x000a /*Signed */
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#define ADV7180_BRI_MIN -128
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#define ADV7180_BRI_DEF 0
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#define ADV7180_BRI_MAX 127
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/* Hue */
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#define ADV7180_REG_HUE 0x000b /*Signed, inverted */
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#define ADV7180_HUE_MIN -127
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#define ADV7180_HUE_DEF 0
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#define ADV7180_HUE_MAX 128
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#define ADV7180_REG_DEF_VALUE_Y 0x000c
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#define ADV7180_DEF_VAL_EN 0x1
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#define ADV7180_DEF_VAL_AUTO_EN 0x2
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#define ADV7180_REG_CTRL 0x000e
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#define ADV7180_CTRL_IRQ_SPACE 0x20
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#define ADV7180_REG_PWR_MAN 0x0f
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#define ADV7180_PWR_MAN_ON 0x04
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#define ADV7180_PWR_MAN_OFF 0x24
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#define ADV7180_PWR_MAN_RES 0x80
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#define ADV7180_REG_STATUS1 0x0010
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#define ADV7180_STATUS1_IN_LOCK 0x01
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#define ADV7180_STATUS1_AUTOD_MASK 0x70
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#define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
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#define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
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#define ADV7180_STATUS1_AUTOD_PAL_M 0x20
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#define ADV7180_STATUS1_AUTOD_PAL_60 0x30
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#define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
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#define ADV7180_STATUS1_AUTOD_SECAM 0x50
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#define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
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#define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
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#define ADV7180_REG_IDENT 0x0011
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#define ADV7180_ID_7180 0x18
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#define ADV7180_REG_STATUS3 0x0013
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#define ADV7180_REG_ANALOG_CLAMP_CTL 0x0014
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#define ADV7180_REG_SHAP_FILTER_CTL_1 0x0017
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#define ADV7180_REG_CTRL_2 0x001d
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#define ADV7180_REG_VSYNC_FIELD_CTL_1 0x0031
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#define ADV7180_VSYNC_FIELD_CTL_1_NEWAV 0x12
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#define ADV7180_REG_MANUAL_WIN_CTL_1 0x003d
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#define ADV7180_REG_MANUAL_WIN_CTL_2 0x003e
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#define ADV7180_REG_MANUAL_WIN_CTL_3 0x003f
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#define ADV7180_REG_LOCK_CNT 0x0051
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#define ADV7180_REG_CVBS_TRIM 0x0052
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#define ADV7180_REG_CLAMP_ADJ 0x005a
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#define ADV7180_REG_RES_CIR 0x005f
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#define ADV7180_REG_DIFF_MODE 0x0060
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#define ADV7180_REG_ICONF1 0x2040
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#define ADV7180_ICONF1_ACTIVE_LOW 0x01
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#define ADV7180_ICONF1_PSYNC_ONLY 0x10
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#define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
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/* Saturation */
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#define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
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#define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
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#define ADV7180_SAT_MIN 0
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#define ADV7180_SAT_DEF 128
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#define ADV7180_SAT_MAX 255
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#define ADV7180_IRQ1_LOCK 0x01
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#define ADV7180_IRQ1_UNLOCK 0x02
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#define ADV7180_REG_ISR1 0x2042
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#define ADV7180_REG_ICR1 0x2043
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#define ADV7180_REG_IMR1 0x2044
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#define ADV7180_REG_IMR2 0x2048
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#define ADV7180_IRQ3_AD_CHANGE 0x08
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#define ADV7180_REG_ISR3 0x204A
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#define ADV7180_REG_ICR3 0x204B
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#define ADV7180_REG_IMR3 0x204C
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#define ADV7180_REG_IMR4 0x2050
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#define ADV7180_REG_NTSC_V_BIT_END 0x00E6
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#define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
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#define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
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#define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
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#define ADV7180_REG_ACE_CTRL1 0x4080
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#define ADV7180_REG_ACE_CTRL5 0x4084
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#define ADV7180_REG_FLCONTROL 0x40e0
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#define ADV7180_FLCONTROL_FL_ENABLE 0x1
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#define ADV7180_REG_RST_CLAMP 0x809c
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#define ADV7180_REG_AGC_ADJ1 0x80b6
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#define ADV7180_REG_AGC_ADJ2 0x80c0
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#define ADV7180_CSI_REG_PWRDN 0x00
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#define ADV7180_CSI_PWRDN 0x80
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#define ADV7180_INPUT_CVBS_AIN1 0x00
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#define ADV7180_INPUT_CVBS_AIN2 0x01
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#define ADV7180_INPUT_CVBS_AIN3 0x02
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#define ADV7180_INPUT_CVBS_AIN4 0x03
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#define ADV7180_INPUT_CVBS_AIN5 0x04
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#define ADV7180_INPUT_CVBS_AIN6 0x05
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#define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
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#define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
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#define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
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#define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
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#define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
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#define ADV7182_INPUT_CVBS_AIN1 0x00
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#define ADV7182_INPUT_CVBS_AIN2 0x01
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#define ADV7182_INPUT_CVBS_AIN3 0x02
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#define ADV7182_INPUT_CVBS_AIN4 0x03
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#define ADV7182_INPUT_CVBS_AIN5 0x04
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#define ADV7182_INPUT_CVBS_AIN6 0x05
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#define ADV7182_INPUT_CVBS_AIN7 0x06
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#define ADV7182_INPUT_CVBS_AIN8 0x07
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#define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
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#define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
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#define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
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#define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
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#define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
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#define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
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#define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
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#define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
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#define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
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#define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
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#define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
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#define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
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#define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
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/* Initial number of frames to skip to avoid possible garbage */
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#define ADV7180_NUM_OF_SKIP_FRAMES 2
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struct adv7180_state;
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#define ADV7180_FLAG_RESET_POWERED BIT(0)
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#define ADV7180_FLAG_V2 BIT(1)
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#define ADV7180_FLAG_MIPI_CSI2 BIT(2)
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#define ADV7180_FLAG_I2P BIT(3)
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struct adv7180_chip_info {
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unsigned int flags;
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unsigned int valid_input_mask;
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int (*set_std)(struct adv7180_state *st, unsigned int std);
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int (*select_input)(struct adv7180_state *st, unsigned int input);
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int (*init)(struct adv7180_state *state);
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};
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struct adv7180_state {
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struct v4l2_ctrl_handler ctrl_hdl;
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struct v4l2_subdev sd;
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struct media_pad pad;
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struct mutex mutex; /* mutual excl. when accessing chip */
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int irq;
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struct gpio_desc *pwdn_gpio;
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struct gpio_desc *rst_gpio;
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v4l2_std_id curr_norm;
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bool powered;
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bool streaming;
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u8 input;
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struct i2c_client *client;
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unsigned int register_page;
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struct i2c_client *csi_client;
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struct i2c_client *vpp_client;
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const struct adv7180_chip_info *chip_info;
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enum v4l2_field field;
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bool force_bt656_4;
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};
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#define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
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struct adv7180_state, \
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ctrl_hdl)->sd)
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static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
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{
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if (state->register_page != page) {
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i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
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page);
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state->register_page = page;
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}
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return 0;
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}
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static int adv7180_write(struct adv7180_state *state, unsigned int reg,
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unsigned int value)
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{
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lockdep_assert_held(&state->mutex);
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adv7180_select_page(state, reg >> 8);
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return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
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}
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static int adv7180_read(struct adv7180_state *state, unsigned int reg)
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{
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lockdep_assert_held(&state->mutex);
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adv7180_select_page(state, reg >> 8);
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return i2c_smbus_read_byte_data(state->client, reg & 0xff);
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}
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static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
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unsigned int value)
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{
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return i2c_smbus_write_byte_data(state->csi_client, reg, value);
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}
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static int adv7180_set_video_standard(struct adv7180_state *state,
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unsigned int std)
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{
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return state->chip_info->set_std(state, std);
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}
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static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
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unsigned int value)
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{
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return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
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}
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static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
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{
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/* in case V4L2_IN_ST_NO_SIGNAL */
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if (!(status1 & ADV7180_STATUS1_IN_LOCK))
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return V4L2_STD_UNKNOWN;
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switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
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case ADV7180_STATUS1_AUTOD_NTSM_M_J:
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return V4L2_STD_NTSC;
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case ADV7180_STATUS1_AUTOD_NTSC_4_43:
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return V4L2_STD_NTSC_443;
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case ADV7180_STATUS1_AUTOD_PAL_M:
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return V4L2_STD_PAL_M;
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case ADV7180_STATUS1_AUTOD_PAL_60:
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return V4L2_STD_PAL_60;
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case ADV7180_STATUS1_AUTOD_PAL_B_G:
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return V4L2_STD_PAL;
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case ADV7180_STATUS1_AUTOD_SECAM:
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return V4L2_STD_SECAM;
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case ADV7180_STATUS1_AUTOD_PAL_COMB:
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return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
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case ADV7180_STATUS1_AUTOD_SECAM_525:
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return V4L2_STD_SECAM;
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default:
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return V4L2_STD_UNKNOWN;
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}
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}
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static int v4l2_std_to_adv7180(v4l2_std_id std)
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{
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if (std == V4L2_STD_PAL_60)
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return ADV7180_STD_PAL60;
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if (std == V4L2_STD_NTSC_443)
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return ADV7180_STD_NTSC_443;
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if (std == V4L2_STD_PAL_N)
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return ADV7180_STD_PAL_N;
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if (std == V4L2_STD_PAL_M)
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return ADV7180_STD_PAL_M;
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if (std == V4L2_STD_PAL_Nc)
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return ADV7180_STD_PAL_COMB_N;
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if (std & V4L2_STD_PAL)
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return ADV7180_STD_PAL_BG;
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if (std & V4L2_STD_NTSC)
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return ADV7180_STD_NTSC_M;
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if (std & V4L2_STD_SECAM)
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return ADV7180_STD_PAL_SECAM;
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return -EINVAL;
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}
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static u32 adv7180_status_to_v4l2(u8 status1)
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{
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if (!(status1 & ADV7180_STATUS1_IN_LOCK))
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return V4L2_IN_ST_NO_SIGNAL;
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return 0;
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}
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static int __adv7180_status(struct adv7180_state *state, u32 *status,
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v4l2_std_id *std)
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{
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int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
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if (status1 < 0)
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return status1;
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if (status)
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*status = adv7180_status_to_v4l2(status1);
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if (std)
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*std = adv7180_std_to_v4l2(status1);
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return 0;
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}
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static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct adv7180_state, sd);
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}
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static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
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{
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struct adv7180_state *state = to_state(sd);
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int err = mutex_lock_interruptible(&state->mutex);
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if (err)
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return err;
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if (state->streaming) {
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err = -EBUSY;
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goto unlock;
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}
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err = adv7180_set_video_standard(state,
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ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
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if (err)
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goto unlock;
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msleep(100);
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__adv7180_status(state, NULL, std);
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err = v4l2_std_to_adv7180(state->curr_norm);
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if (err < 0)
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goto unlock;
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err = adv7180_set_video_standard(state, err);
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unlock:
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mutex_unlock(&state->mutex);
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return err;
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}
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static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
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u32 output, u32 config)
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{
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struct adv7180_state *state = to_state(sd);
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int ret = mutex_lock_interruptible(&state->mutex);
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if (ret)
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return ret;
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if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
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ret = -EINVAL;
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goto out;
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}
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ret = state->chip_info->select_input(state, input);
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if (ret == 0)
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state->input = input;
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out:
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mutex_unlock(&state->mutex);
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return ret;
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}
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static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
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{
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struct adv7180_state *state = to_state(sd);
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int ret = mutex_lock_interruptible(&state->mutex);
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if (ret)
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return ret;
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ret = __adv7180_status(state, status, NULL);
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mutex_unlock(&state->mutex);
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return ret;
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}
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static int adv7180_program_std(struct adv7180_state *state)
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{
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int ret;
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ret = v4l2_std_to_adv7180(state->curr_norm);
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if (ret < 0)
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return ret;
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|
ret = adv7180_set_video_standard(state, ret);
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
int ret = mutex_lock_interruptible(&state->mutex);
|
|
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Make sure we can support this std */
|
|
ret = v4l2_std_to_adv7180(std);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
state->curr_norm = std;
|
|
|
|
ret = adv7180_program_std(state);
|
|
out:
|
|
mutex_unlock(&state->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
*norm = state->curr_norm;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_g_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_frame_interval *fi)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
if (state->curr_norm & V4L2_STD_525_60) {
|
|
fi->interval.numerator = 1001;
|
|
fi->interval.denominator = 30000;
|
|
} else {
|
|
fi->interval.numerator = 1;
|
|
fi->interval.denominator = 25;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
|
|
{
|
|
if (!state->pwdn_gpio)
|
|
return;
|
|
|
|
if (on) {
|
|
gpiod_set_value_cansleep(state->pwdn_gpio, 0);
|
|
usleep_range(5000, 10000);
|
|
} else {
|
|
gpiod_set_value_cansleep(state->pwdn_gpio, 1);
|
|
}
|
|
}
|
|
|
|
static void adv7180_set_reset_pin(struct adv7180_state *state, bool on)
|
|
{
|
|
if (!state->rst_gpio)
|
|
return;
|
|
|
|
if (on) {
|
|
gpiod_set_value_cansleep(state->rst_gpio, 1);
|
|
} else {
|
|
gpiod_set_value_cansleep(state->rst_gpio, 0);
|
|
usleep_range(5000, 10000);
|
|
}
|
|
}
|
|
|
|
static int adv7180_set_power(struct adv7180_state *state, bool on)
|
|
{
|
|
u8 val;
|
|
int ret;
|
|
|
|
if (on)
|
|
val = ADV7180_PWR_MAN_ON;
|
|
else
|
|
val = ADV7180_PWR_MAN_OFF;
|
|
|
|
ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
|
|
if (on) {
|
|
adv7180_csi_write(state, 0xDE, 0x02);
|
|
adv7180_csi_write(state, 0xD2, 0xF7);
|
|
adv7180_csi_write(state, 0xD8, 0x65);
|
|
adv7180_csi_write(state, 0xE0, 0x09);
|
|
adv7180_csi_write(state, 0x2C, 0x00);
|
|
if (state->field == V4L2_FIELD_NONE)
|
|
adv7180_csi_write(state, 0x1D, 0x80);
|
|
adv7180_csi_write(state, 0x00, 0x00);
|
|
} else {
|
|
adv7180_csi_write(state, 0x00, 0x80);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_s_power(struct v4l2_subdev *sd, int on)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
int ret;
|
|
|
|
ret = mutex_lock_interruptible(&state->mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = adv7180_set_power(state, on);
|
|
if (ret == 0)
|
|
state->powered = on;
|
|
|
|
mutex_unlock(&state->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static const char * const test_pattern_menu[] = {
|
|
"Single color",
|
|
"Color bars",
|
|
"Luma ramp",
|
|
"Boundary box",
|
|
"Disable",
|
|
};
|
|
|
|
static int adv7180_test_pattern(struct adv7180_state *state, int value)
|
|
{
|
|
unsigned int reg = 0;
|
|
|
|
/* Map menu value into register value */
|
|
if (value < 3)
|
|
reg = value;
|
|
if (value == 3)
|
|
reg = 5;
|
|
|
|
adv7180_write(state, ADV7180_REG_ANALOG_CLAMP_CTL, reg);
|
|
|
|
if (value == ARRAY_SIZE(test_pattern_menu) - 1) {
|
|
reg = adv7180_read(state, ADV7180_REG_DEF_VALUE_Y);
|
|
reg &= ~ADV7180_DEF_VAL_EN;
|
|
adv7180_write(state, ADV7180_REG_DEF_VALUE_Y, reg);
|
|
return 0;
|
|
}
|
|
|
|
reg = adv7180_read(state, ADV7180_REG_DEF_VALUE_Y);
|
|
reg |= ADV7180_DEF_VAL_EN | ADV7180_DEF_VAL_AUTO_EN;
|
|
adv7180_write(state, ADV7180_REG_DEF_VALUE_Y, reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
|
|
struct adv7180_state *state = to_state(sd);
|
|
int ret = mutex_lock_interruptible(&state->mutex);
|
|
int val;
|
|
|
|
if (ret)
|
|
return ret;
|
|
val = ctrl->val;
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
ret = adv7180_write(state, ADV7180_REG_BRI, val);
|
|
break;
|
|
case V4L2_CID_HUE:
|
|
/*Hue is inverted according to HSL chart */
|
|
ret = adv7180_write(state, ADV7180_REG_HUE, -val);
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
ret = adv7180_write(state, ADV7180_REG_CON, val);
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
/*
|
|
*This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
|
|
*Let's not confuse the user, everybody understands saturation
|
|
*/
|
|
ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
|
|
if (ret < 0)
|
|
break;
|
|
ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
|
|
break;
|
|
case V4L2_CID_ADV_FAST_SWITCH:
|
|
if (ctrl->val) {
|
|
/* ADI required write */
|
|
adv7180_write(state, 0x80d9, 0x44);
|
|
adv7180_write(state, ADV7180_REG_FLCONTROL,
|
|
ADV7180_FLCONTROL_FL_ENABLE);
|
|
} else {
|
|
/* ADI required write */
|
|
adv7180_write(state, 0x80d9, 0xc4);
|
|
adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
|
|
}
|
|
break;
|
|
case V4L2_CID_TEST_PATTERN:
|
|
ret = adv7180_test_pattern(state, val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
mutex_unlock(&state->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
|
|
.s_ctrl = adv7180_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
|
|
.ops = &adv7180_ctrl_ops,
|
|
.id = V4L2_CID_ADV_FAST_SWITCH,
|
|
.name = "Fast Switching",
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.min = 0,
|
|
.max = 1,
|
|
.step = 1,
|
|
};
|
|
|
|
static int adv7180_init_controls(struct adv7180_state *state)
|
|
{
|
|
v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
|
|
|
|
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
|
|
V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
|
|
ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
|
|
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
|
|
V4L2_CID_CONTRAST, ADV7180_CON_MIN,
|
|
ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
|
|
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
|
|
V4L2_CID_SATURATION, ADV7180_SAT_MIN,
|
|
ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
|
|
v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
|
|
V4L2_CID_HUE, ADV7180_HUE_MIN,
|
|
ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
|
|
v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
|
|
|
|
v4l2_ctrl_new_std_menu_items(&state->ctrl_hdl, &adv7180_ctrl_ops,
|
|
V4L2_CID_TEST_PATTERN,
|
|
ARRAY_SIZE(test_pattern_menu) - 1,
|
|
0, ARRAY_SIZE(test_pattern_menu) - 1,
|
|
test_pattern_menu);
|
|
|
|
state->sd.ctrl_handler = &state->ctrl_hdl;
|
|
if (state->ctrl_hdl.error) {
|
|
int err = state->ctrl_hdl.error;
|
|
|
|
v4l2_ctrl_handler_free(&state->ctrl_hdl);
|
|
return err;
|
|
}
|
|
v4l2_ctrl_handler_setup(&state->ctrl_hdl);
|
|
|
|
return 0;
|
|
}
|
|
static void adv7180_exit_controls(struct adv7180_state *state)
|
|
{
|
|
v4l2_ctrl_handler_free(&state->ctrl_hdl);
|
|
}
|
|
|
|
static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
if (code->index != 0)
|
|
return -EINVAL;
|
|
|
|
code->code = MEDIA_BUS_FMT_UYVY8_2X8;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_framefmt *fmt)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
|
|
fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
|
|
fmt->width = 720;
|
|
fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
|
|
|
|
if (state->field == V4L2_FIELD_ALTERNATE)
|
|
fmt->height /= 2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_set_field_mode(struct adv7180_state *state)
|
|
{
|
|
if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
|
|
return 0;
|
|
|
|
if (state->field == V4L2_FIELD_NONE) {
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
|
|
adv7180_csi_write(state, 0x01, 0x20);
|
|
adv7180_csi_write(state, 0x02, 0x28);
|
|
adv7180_csi_write(state, 0x03, 0x38);
|
|
adv7180_csi_write(state, 0x04, 0x30);
|
|
adv7180_csi_write(state, 0x05, 0x30);
|
|
adv7180_csi_write(state, 0x06, 0x80);
|
|
adv7180_csi_write(state, 0x07, 0x70);
|
|
adv7180_csi_write(state, 0x08, 0x50);
|
|
}
|
|
adv7180_vpp_write(state, 0xa3, 0x00);
|
|
adv7180_vpp_write(state, 0x5b, 0x00);
|
|
adv7180_vpp_write(state, 0x55, 0x80);
|
|
} else {
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
|
|
adv7180_csi_write(state, 0x01, 0x18);
|
|
adv7180_csi_write(state, 0x02, 0x18);
|
|
adv7180_csi_write(state, 0x03, 0x30);
|
|
adv7180_csi_write(state, 0x04, 0x20);
|
|
adv7180_csi_write(state, 0x05, 0x28);
|
|
adv7180_csi_write(state, 0x06, 0x40);
|
|
adv7180_csi_write(state, 0x07, 0x58);
|
|
adv7180_csi_write(state, 0x08, 0x30);
|
|
}
|
|
adv7180_vpp_write(state, 0xa3, 0x70);
|
|
adv7180_vpp_write(state, 0x5b, 0x80);
|
|
adv7180_vpp_write(state, 0x55, 0x00);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_get_pad_format(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *format)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
format->format = *v4l2_subdev_get_try_format(sd, sd_state, 0);
|
|
} else {
|
|
adv7180_mbus_fmt(sd, &format->format);
|
|
format->format.field = state->field;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_set_pad_format(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state,
|
|
struct v4l2_subdev_format *format)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
struct v4l2_mbus_framefmt *framefmt;
|
|
int ret;
|
|
|
|
switch (format->format.field) {
|
|
case V4L2_FIELD_NONE:
|
|
if (state->chip_info->flags & ADV7180_FLAG_I2P)
|
|
break;
|
|
fallthrough;
|
|
default:
|
|
format->format.field = V4L2_FIELD_ALTERNATE;
|
|
break;
|
|
}
|
|
|
|
ret = adv7180_mbus_fmt(sd, &format->format);
|
|
|
|
if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
|
|
if (state->field != format->format.field) {
|
|
state->field = format->format.field;
|
|
adv7180_set_power(state, false);
|
|
adv7180_set_field_mode(state);
|
|
adv7180_set_power(state, true);
|
|
}
|
|
} else {
|
|
framefmt = v4l2_subdev_get_try_format(sd, sd_state, 0);
|
|
*framefmt = format->format;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int adv7180_init_cfg(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_state *sd_state)
|
|
{
|
|
struct v4l2_subdev_format fmt = {
|
|
.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY
|
|
: V4L2_SUBDEV_FORMAT_ACTIVE,
|
|
};
|
|
|
|
return adv7180_set_pad_format(sd, sd_state, &fmt);
|
|
}
|
|
|
|
static int adv7180_get_mbus_config(struct v4l2_subdev *sd,
|
|
unsigned int pad,
|
|
struct v4l2_mbus_config *cfg)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
|
|
cfg->type = V4L2_MBUS_CSI2_DPHY;
|
|
cfg->bus.mipi_csi2.num_data_lanes = 1;
|
|
cfg->bus.mipi_csi2.flags = 0;
|
|
} else {
|
|
/*
|
|
* The ADV7180 sensor supports BT.601/656 output modes.
|
|
* The BT.656 is default and not yet configurable by s/w.
|
|
*/
|
|
cfg->bus.parallel.flags = V4L2_MBUS_MASTER |
|
|
V4L2_MBUS_PCLK_SAMPLE_RISING |
|
|
V4L2_MBUS_DATA_ACTIVE_HIGH;
|
|
cfg->type = V4L2_MBUS_BT656;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
|
|
{
|
|
*frames = ADV7180_NUM_OF_SKIP_FRAMES;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
if (state->curr_norm & V4L2_STD_525_60) {
|
|
aspect->numerator = 11;
|
|
aspect->denominator = 10;
|
|
} else {
|
|
aspect->numerator = 54;
|
|
aspect->denominator = 59;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
|
|
{
|
|
*norm = V4L2_STD_ALL;
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
|
|
{
|
|
struct adv7180_state *state = to_state(sd);
|
|
int ret;
|
|
|
|
/* It's always safe to stop streaming, no need to take the lock */
|
|
if (!enable) {
|
|
state->streaming = enable;
|
|
return 0;
|
|
}
|
|
|
|
/* Must wait until querystd released the lock */
|
|
ret = mutex_lock_interruptible(&state->mutex);
|
|
if (ret)
|
|
return ret;
|
|
state->streaming = enable;
|
|
mutex_unlock(&state->mutex);
|
|
return 0;
|
|
}
|
|
|
|
static int adv7180_subscribe_event(struct v4l2_subdev *sd,
|
|
struct v4l2_fh *fh,
|
|
struct v4l2_event_subscription *sub)
|
|
{
|
|
switch (sub->type) {
|
|
case V4L2_EVENT_SOURCE_CHANGE:
|
|
return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
|
|
case V4L2_EVENT_CTRL:
|
|
return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static const struct v4l2_subdev_video_ops adv7180_video_ops = {
|
|
.s_std = adv7180_s_std,
|
|
.g_std = adv7180_g_std,
|
|
.g_frame_interval = adv7180_g_frame_interval,
|
|
.querystd = adv7180_querystd,
|
|
.g_input_status = adv7180_g_input_status,
|
|
.s_routing = adv7180_s_routing,
|
|
.g_pixelaspect = adv7180_g_pixelaspect,
|
|
.g_tvnorms = adv7180_g_tvnorms,
|
|
.s_stream = adv7180_s_stream,
|
|
};
|
|
|
|
static const struct v4l2_subdev_core_ops adv7180_core_ops = {
|
|
.s_power = adv7180_s_power,
|
|
.subscribe_event = adv7180_subscribe_event,
|
|
.unsubscribe_event = v4l2_event_subdev_unsubscribe,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
|
|
.init_cfg = adv7180_init_cfg,
|
|
.enum_mbus_code = adv7180_enum_mbus_code,
|
|
.set_fmt = adv7180_set_pad_format,
|
|
.get_fmt = adv7180_get_pad_format,
|
|
.get_mbus_config = adv7180_get_mbus_config,
|
|
};
|
|
|
|
static const struct v4l2_subdev_sensor_ops adv7180_sensor_ops = {
|
|
.g_skip_frames = adv7180_get_skip_frames,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops adv7180_ops = {
|
|
.core = &adv7180_core_ops,
|
|
.video = &adv7180_video_ops,
|
|
.pad = &adv7180_pad_ops,
|
|
.sensor = &adv7180_sensor_ops,
|
|
};
|
|
|
|
static irqreturn_t adv7180_irq(int irq, void *devid)
|
|
{
|
|
struct adv7180_state *state = devid;
|
|
u8 isr3;
|
|
|
|
mutex_lock(&state->mutex);
|
|
isr3 = adv7180_read(state, ADV7180_REG_ISR3);
|
|
/* clear */
|
|
adv7180_write(state, ADV7180_REG_ICR3, isr3);
|
|
|
|
if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
|
|
static const struct v4l2_event src_ch = {
|
|
.type = V4L2_EVENT_SOURCE_CHANGE,
|
|
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
|
|
};
|
|
|
|
v4l2_subdev_notify_event(&state->sd, &src_ch);
|
|
}
|
|
mutex_unlock(&state->mutex);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int adv7180_init(struct adv7180_state *state)
|
|
{
|
|
int ret;
|
|
|
|
/* ITU-R BT.656-4 compatible */
|
|
ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
|
|
ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Manually set V bit end position in NTSC mode */
|
|
return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
|
|
ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
|
|
}
|
|
|
|
static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
|
|
{
|
|
return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
|
|
(std << 4) | state->input);
|
|
}
|
|
|
|
static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
|
|
{
|
|
int ret;
|
|
|
|
ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
|
|
ret |= input;
|
|
return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
|
|
}
|
|
|
|
static int adv7182_init(struct adv7180_state *state)
|
|
{
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
|
|
adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
|
|
ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_I2P)
|
|
adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
|
|
ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_V2) {
|
|
/* ADI recommended writes for improved video quality */
|
|
adv7180_write(state, 0x0080, 0x51);
|
|
adv7180_write(state, 0x0081, 0x51);
|
|
adv7180_write(state, 0x0082, 0x68);
|
|
}
|
|
|
|
/* ADI required writes */
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
|
|
adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
|
|
adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
|
|
adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
|
|
} else {
|
|
if (state->chip_info->flags & ADV7180_FLAG_V2) {
|
|
if (state->force_bt656_4) {
|
|
/* ITU-R BT.656-4 compatible */
|
|
adv7180_write(state,
|
|
ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
|
|
ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
|
|
/* Manually set NEWAVMODE */
|
|
adv7180_write(state,
|
|
ADV7180_REG_VSYNC_FIELD_CTL_1,
|
|
ADV7180_VSYNC_FIELD_CTL_1_NEWAV);
|
|
/* Manually set V bit end position in NTSC mode */
|
|
adv7180_write(state,
|
|
ADV7180_REG_NTSC_V_BIT_END,
|
|
ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
|
|
} else {
|
|
adv7180_write(state,
|
|
ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
|
|
0x17);
|
|
}
|
|
}
|
|
else
|
|
adv7180_write(state,
|
|
ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
|
|
0x07);
|
|
adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
|
|
adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
|
|
}
|
|
|
|
adv7180_write(state, 0x0013, 0x00);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
|
|
{
|
|
return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
|
|
}
|
|
|
|
enum adv7182_input_type {
|
|
ADV7182_INPUT_TYPE_CVBS,
|
|
ADV7182_INPUT_TYPE_DIFF_CVBS,
|
|
ADV7182_INPUT_TYPE_SVIDEO,
|
|
ADV7182_INPUT_TYPE_YPBPR,
|
|
};
|
|
|
|
static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
|
|
{
|
|
switch (input) {
|
|
case ADV7182_INPUT_CVBS_AIN1:
|
|
case ADV7182_INPUT_CVBS_AIN2:
|
|
case ADV7182_INPUT_CVBS_AIN3:
|
|
case ADV7182_INPUT_CVBS_AIN4:
|
|
case ADV7182_INPUT_CVBS_AIN5:
|
|
case ADV7182_INPUT_CVBS_AIN6:
|
|
case ADV7182_INPUT_CVBS_AIN7:
|
|
case ADV7182_INPUT_CVBS_AIN8:
|
|
return ADV7182_INPUT_TYPE_CVBS;
|
|
case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
|
|
case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
|
|
case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
|
|
case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
|
|
return ADV7182_INPUT_TYPE_SVIDEO;
|
|
case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
|
|
case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
|
|
return ADV7182_INPUT_TYPE_YPBPR;
|
|
case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
|
|
case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
|
|
case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
|
|
case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
|
|
return ADV7182_INPUT_TYPE_DIFF_CVBS;
|
|
default: /* Will never happen */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* ADI recommended writes to registers 0x52, 0x53, 0x54 */
|
|
static unsigned int adv7182_lbias_settings[][3] = {
|
|
[ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
|
|
[ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
|
|
[ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
|
|
[ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
|
|
};
|
|
|
|
static unsigned int adv7280_lbias_settings[][3] = {
|
|
[ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
|
|
[ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
|
|
[ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
|
|
[ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
|
|
};
|
|
|
|
static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
|
|
{
|
|
enum adv7182_input_type input_type;
|
|
unsigned int *lbias;
|
|
unsigned int i;
|
|
int ret;
|
|
|
|
ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Reset clamp circuitry - ADI recommended writes */
|
|
adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
|
|
adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
|
|
|
|
input_type = adv7182_get_input_type(input);
|
|
|
|
switch (input_type) {
|
|
case ADV7182_INPUT_TYPE_CVBS:
|
|
case ADV7182_INPUT_TYPE_DIFF_CVBS:
|
|
/* ADI recommends to use the SH1 filter */
|
|
adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
|
|
break;
|
|
default:
|
|
adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
|
|
break;
|
|
}
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_V2)
|
|
lbias = adv7280_lbias_settings[input_type];
|
|
else
|
|
lbias = adv7182_lbias_settings[input_type];
|
|
|
|
for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
|
|
adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
|
|
|
|
if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
|
|
/* ADI required writes to make differential CVBS work */
|
|
adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
|
|
adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
|
|
adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
|
|
adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
|
|
adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
|
|
} else {
|
|
adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
|
|
adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
|
|
adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
|
|
adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
|
|
adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct adv7180_chip_info adv7180_info = {
|
|
.flags = ADV7180_FLAG_RESET_POWERED,
|
|
/* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
|
|
* all inputs and let the card driver take care of validation
|
|
*/
|
|
.valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7180_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7180_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7180_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7180_INPUT_CVBS_AIN5) |
|
|
BIT(ADV7180_INPUT_CVBS_AIN6) |
|
|
BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
|
|
BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
|
|
BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
|
|
.init = adv7180_init,
|
|
.set_std = adv7180_set_std,
|
|
.select_input = adv7180_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7182_info = {
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7280_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7280_m_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN5) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN6) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN7) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN8) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7281_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN7) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN8) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7281_m_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN7) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN8) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7281_ma_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN5) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN6) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN7) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN8) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
|
|
BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7282_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN7) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN8) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static const struct adv7180_chip_info adv7282_m_info = {
|
|
.flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
|
|
.valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN2) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN3) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN4) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN7) |
|
|
BIT(ADV7182_INPUT_CVBS_AIN8) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
|
|
BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
|
|
.init = adv7182_init,
|
|
.set_std = adv7182_set_std,
|
|
.select_input = adv7182_select_input,
|
|
};
|
|
|
|
static int init_device(struct adv7180_state *state)
|
|
{
|
|
int ret;
|
|
|
|
mutex_lock(&state->mutex);
|
|
|
|
adv7180_set_power_pin(state, true);
|
|
adv7180_set_reset_pin(state, false);
|
|
|
|
adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
|
|
usleep_range(5000, 10000);
|
|
|
|
ret = state->chip_info->init(state);
|
|
if (ret)
|
|
goto out_unlock;
|
|
|
|
ret = adv7180_program_std(state);
|
|
if (ret)
|
|
goto out_unlock;
|
|
|
|
adv7180_set_field_mode(state);
|
|
|
|
/* register for interrupts */
|
|
if (state->irq > 0) {
|
|
/* config the Interrupt pin to be active low */
|
|
ret = adv7180_write(state, ADV7180_REG_ICONF1,
|
|
ADV7180_ICONF1_ACTIVE_LOW |
|
|
ADV7180_ICONF1_PSYNC_ONLY);
|
|
if (ret < 0)
|
|
goto out_unlock;
|
|
|
|
ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
|
|
if (ret < 0)
|
|
goto out_unlock;
|
|
|
|
ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
|
|
if (ret < 0)
|
|
goto out_unlock;
|
|
|
|
/* enable AD change interrupts interrupts */
|
|
ret = adv7180_write(state, ADV7180_REG_IMR3,
|
|
ADV7180_IRQ3_AD_CHANGE);
|
|
if (ret < 0)
|
|
goto out_unlock;
|
|
|
|
ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
|
|
if (ret < 0)
|
|
goto out_unlock;
|
|
}
|
|
|
|
out_unlock:
|
|
mutex_unlock(&state->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int adv7180_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct device_node *np = client->dev.of_node;
|
|
struct adv7180_state *state;
|
|
struct v4l2_subdev *sd;
|
|
int ret;
|
|
|
|
/* Check if the adapter supports the needed features */
|
|
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
|
|
return -EIO;
|
|
|
|
state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
|
|
if (state == NULL)
|
|
return -ENOMEM;
|
|
|
|
state->client = client;
|
|
state->field = V4L2_FIELD_ALTERNATE;
|
|
state->chip_info = (struct adv7180_chip_info *)id->driver_data;
|
|
|
|
state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
|
|
GPIOD_OUT_HIGH);
|
|
if (IS_ERR(state->pwdn_gpio)) {
|
|
ret = PTR_ERR(state->pwdn_gpio);
|
|
v4l_err(client, "request for power pin failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
state->rst_gpio = devm_gpiod_get_optional(&client->dev, "reset",
|
|
GPIOD_OUT_HIGH);
|
|
if (IS_ERR(state->rst_gpio)) {
|
|
ret = PTR_ERR(state->rst_gpio);
|
|
v4l_err(client, "request for reset pin failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (of_property_read_bool(np, "adv,force-bt656-4"))
|
|
state->force_bt656_4 = true;
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
|
|
state->csi_client = i2c_new_dummy_device(client->adapter,
|
|
ADV7180_DEFAULT_CSI_I2C_ADDR);
|
|
if (IS_ERR(state->csi_client))
|
|
return PTR_ERR(state->csi_client);
|
|
}
|
|
|
|
if (state->chip_info->flags & ADV7180_FLAG_I2P) {
|
|
state->vpp_client = i2c_new_dummy_device(client->adapter,
|
|
ADV7180_DEFAULT_VPP_I2C_ADDR);
|
|
if (IS_ERR(state->vpp_client)) {
|
|
ret = PTR_ERR(state->vpp_client);
|
|
goto err_unregister_csi_client;
|
|
}
|
|
}
|
|
|
|
state->irq = client->irq;
|
|
mutex_init(&state->mutex);
|
|
state->curr_norm = V4L2_STD_NTSC;
|
|
if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
|
|
state->powered = true;
|
|
else
|
|
state->powered = false;
|
|
state->input = 0;
|
|
sd = &state->sd;
|
|
v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
|
|
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
|
|
|
|
ret = adv7180_init_controls(state);
|
|
if (ret)
|
|
goto err_unregister_vpp_client;
|
|
|
|
state->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
|
|
ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
|
|
if (ret)
|
|
goto err_free_ctrl;
|
|
|
|
ret = init_device(state);
|
|
if (ret)
|
|
goto err_media_entity_cleanup;
|
|
|
|
if (state->irq) {
|
|
ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
|
|
IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
|
|
KBUILD_MODNAME, state);
|
|
if (ret)
|
|
goto err_media_entity_cleanup;
|
|
}
|
|
|
|
ret = v4l2_async_register_subdev(sd);
|
|
if (ret)
|
|
goto err_free_irq;
|
|
|
|
mutex_lock(&state->mutex);
|
|
ret = adv7180_read(state, ADV7180_REG_IDENT);
|
|
mutex_unlock(&state->mutex);
|
|
if (ret < 0)
|
|
goto err_v4l2_async_unregister;
|
|
|
|
v4l_info(client, "chip id 0x%x found @ 0x%02x (%s)\n",
|
|
ret, client->addr, client->adapter->name);
|
|
|
|
return 0;
|
|
|
|
err_v4l2_async_unregister:
|
|
v4l2_async_unregister_subdev(sd);
|
|
err_free_irq:
|
|
if (state->irq > 0)
|
|
free_irq(client->irq, state);
|
|
err_media_entity_cleanup:
|
|
media_entity_cleanup(&sd->entity);
|
|
err_free_ctrl:
|
|
adv7180_exit_controls(state);
|
|
err_unregister_vpp_client:
|
|
i2c_unregister_device(state->vpp_client);
|
|
err_unregister_csi_client:
|
|
i2c_unregister_device(state->csi_client);
|
|
mutex_destroy(&state->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static int adv7180_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
v4l2_async_unregister_subdev(sd);
|
|
|
|
if (state->irq > 0)
|
|
free_irq(client->irq, state);
|
|
|
|
media_entity_cleanup(&sd->entity);
|
|
adv7180_exit_controls(state);
|
|
|
|
i2c_unregister_device(state->vpp_client);
|
|
i2c_unregister_device(state->csi_client);
|
|
|
|
adv7180_set_reset_pin(state, true);
|
|
adv7180_set_power_pin(state, false);
|
|
|
|
mutex_destroy(&state->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id adv7180_id[] = {
|
|
{ "adv7180", (kernel_ulong_t)&adv7180_info },
|
|
{ "adv7180cp", (kernel_ulong_t)&adv7180_info },
|
|
{ "adv7180st", (kernel_ulong_t)&adv7180_info },
|
|
{ "adv7182", (kernel_ulong_t)&adv7182_info },
|
|
{ "adv7280", (kernel_ulong_t)&adv7280_info },
|
|
{ "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
|
|
{ "adv7281", (kernel_ulong_t)&adv7281_info },
|
|
{ "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
|
|
{ "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
|
|
{ "adv7282", (kernel_ulong_t)&adv7282_info },
|
|
{ "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, adv7180_id);
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int adv7180_suspend(struct device *dev)
|
|
{
|
|
struct v4l2_subdev *sd = dev_get_drvdata(dev);
|
|
struct adv7180_state *state = to_state(sd);
|
|
|
|
return adv7180_set_power(state, false);
|
|
}
|
|
|
|
static int adv7180_resume(struct device *dev)
|
|
{
|
|
struct v4l2_subdev *sd = dev_get_drvdata(dev);
|
|
struct adv7180_state *state = to_state(sd);
|
|
int ret;
|
|
|
|
ret = init_device(state);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = adv7180_set_power(state, state->powered);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
|
|
#define ADV7180_PM_OPS (&adv7180_pm_ops)
|
|
|
|
#else
|
|
#define ADV7180_PM_OPS NULL
|
|
#endif
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id adv7180_of_id[] = {
|
|
{ .compatible = "adi,adv7180", },
|
|
{ .compatible = "adi,adv7180cp", },
|
|
{ .compatible = "adi,adv7180st", },
|
|
{ .compatible = "adi,adv7182", },
|
|
{ .compatible = "adi,adv7280", },
|
|
{ .compatible = "adi,adv7280-m", },
|
|
{ .compatible = "adi,adv7281", },
|
|
{ .compatible = "adi,adv7281-m", },
|
|
{ .compatible = "adi,adv7281-ma", },
|
|
{ .compatible = "adi,adv7282", },
|
|
{ .compatible = "adi,adv7282-m", },
|
|
{ },
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, adv7180_of_id);
|
|
#endif
|
|
|
|
static struct i2c_driver adv7180_driver = {
|
|
.driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.pm = ADV7180_PM_OPS,
|
|
.of_match_table = of_match_ptr(adv7180_of_id),
|
|
},
|
|
.probe = adv7180_probe,
|
|
.remove = adv7180_remove,
|
|
.id_table = adv7180_id,
|
|
};
|
|
|
|
module_i2c_driver(adv7180_driver);
|
|
|
|
MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
|
|
MODULE_AUTHOR("Mocean Laboratories");
|
|
MODULE_LICENSE("GPL v2");
|