forked from mirrors/linux
		
	 9483a3f8e1
			
		
	
	
		9483a3f8e1
		
	
	
	
	
		
			
			The adv7180 produces 1 to 2 frames of garbage before proper sync is established. This allows V4L2 drivers and apps to skip those. Signed-off-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
		
			
				
	
	
		
			1510 lines
		
	
	
	
		
			40 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1510 lines
		
	
	
	
		
			40 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
 | |
| /*
 | |
|  * adv7180.c Analog Devices ADV7180 video decoder driver
 | |
|  * Copyright (c) 2009 Intel Corporation
 | |
|  * Copyright (C) 2013 Cogent Embedded, Inc.
 | |
|  * Copyright (C) 2013 Renesas Solutions Corp.
 | |
|  */
 | |
| #include <linux/module.h>
 | |
| #include <linux/init.h>
 | |
| #include <linux/errno.h>
 | |
| #include <linux/kernel.h>
 | |
| #include <linux/interrupt.h>
 | |
| #include <linux/i2c.h>
 | |
| #include <linux/slab.h>
 | |
| #include <linux/of.h>
 | |
| #include <linux/gpio/consumer.h>
 | |
| #include <linux/videodev2.h>
 | |
| #include <media/v4l2-ioctl.h>
 | |
| #include <media/v4l2-event.h>
 | |
| #include <media/v4l2-device.h>
 | |
| #include <media/v4l2-ctrls.h>
 | |
| #include <linux/mutex.h>
 | |
| #include <linux/delay.h>
 | |
| 
 | |
| #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM		0x0
 | |
| #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED		0x1
 | |
| #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM		0x2
 | |
| #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM		0x3
 | |
| #define ADV7180_STD_NTSC_J				0x4
 | |
| #define ADV7180_STD_NTSC_M				0x5
 | |
| #define ADV7180_STD_PAL60				0x6
 | |
| #define ADV7180_STD_NTSC_443				0x7
 | |
| #define ADV7180_STD_PAL_BG				0x8
 | |
| #define ADV7180_STD_PAL_N				0x9
 | |
| #define ADV7180_STD_PAL_M				0xa
 | |
| #define ADV7180_STD_PAL_M_PED				0xb
 | |
| #define ADV7180_STD_PAL_COMB_N				0xc
 | |
| #define ADV7180_STD_PAL_COMB_N_PED			0xd
 | |
| #define ADV7180_STD_PAL_SECAM				0xe
 | |
| #define ADV7180_STD_PAL_SECAM_PED			0xf
 | |
| 
 | |
| #define ADV7180_REG_INPUT_CONTROL			0x0000
 | |
| #define ADV7180_INPUT_CONTROL_INSEL_MASK		0x0f
 | |
| 
 | |
| #define ADV7182_REG_INPUT_VIDSEL			0x0002
 | |
| 
 | |
| #define ADV7180_REG_OUTPUT_CONTROL			0x0003
 | |
| #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL		0x0004
 | |
| #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS		0xC5
 | |
| 
 | |
| #define ADV7180_REG_AUTODETECT_ENABLE			0x0007
 | |
| #define ADV7180_AUTODETECT_DEFAULT			0x7f
 | |
| /* Contrast */
 | |
| #define ADV7180_REG_CON		0x0008	/*Unsigned */
 | |
| #define ADV7180_CON_MIN		0
 | |
| #define ADV7180_CON_DEF		128
 | |
| #define ADV7180_CON_MAX		255
 | |
| /* Brightness*/
 | |
| #define ADV7180_REG_BRI		0x000a	/*Signed */
 | |
| #define ADV7180_BRI_MIN		-128
 | |
| #define ADV7180_BRI_DEF		0
 | |
| #define ADV7180_BRI_MAX		127
 | |
| /* Hue */
 | |
| #define ADV7180_REG_HUE		0x000b	/*Signed, inverted */
 | |
| #define ADV7180_HUE_MIN		-127
 | |
| #define ADV7180_HUE_DEF		0
 | |
| #define ADV7180_HUE_MAX		128
 | |
| 
 | |
| #define ADV7180_REG_CTRL		0x000e
 | |
| #define ADV7180_CTRL_IRQ_SPACE		0x20
 | |
| 
 | |
| #define ADV7180_REG_PWR_MAN		0x0f
 | |
| #define ADV7180_PWR_MAN_ON		0x04
 | |
| #define ADV7180_PWR_MAN_OFF		0x24
 | |
| #define ADV7180_PWR_MAN_RES		0x80
 | |
| 
 | |
| #define ADV7180_REG_STATUS1		0x0010
 | |
| #define ADV7180_STATUS1_IN_LOCK		0x01
 | |
| #define ADV7180_STATUS1_AUTOD_MASK	0x70
 | |
| #define ADV7180_STATUS1_AUTOD_NTSM_M_J	0x00
 | |
| #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
 | |
| #define ADV7180_STATUS1_AUTOD_PAL_M	0x20
 | |
| #define ADV7180_STATUS1_AUTOD_PAL_60	0x30
 | |
| #define ADV7180_STATUS1_AUTOD_PAL_B_G	0x40
 | |
| #define ADV7180_STATUS1_AUTOD_SECAM	0x50
 | |
| #define ADV7180_STATUS1_AUTOD_PAL_COMB	0x60
 | |
| #define ADV7180_STATUS1_AUTOD_SECAM_525	0x70
 | |
| 
 | |
| #define ADV7180_REG_IDENT 0x0011
 | |
| #define ADV7180_ID_7180 0x18
 | |
| 
 | |
| #define ADV7180_REG_STATUS3		0x0013
 | |
| #define ADV7180_REG_ANALOG_CLAMP_CTL	0x0014
 | |
| #define ADV7180_REG_SHAP_FILTER_CTL_1	0x0017
 | |
| #define ADV7180_REG_CTRL_2		0x001d
 | |
| #define ADV7180_REG_VSYNC_FIELD_CTL_1	0x0031
 | |
| #define ADV7180_REG_MANUAL_WIN_CTL_1	0x003d
 | |
| #define ADV7180_REG_MANUAL_WIN_CTL_2	0x003e
 | |
| #define ADV7180_REG_MANUAL_WIN_CTL_3	0x003f
 | |
| #define ADV7180_REG_LOCK_CNT		0x0051
 | |
| #define ADV7180_REG_CVBS_TRIM		0x0052
 | |
| #define ADV7180_REG_CLAMP_ADJ		0x005a
 | |
| #define ADV7180_REG_RES_CIR		0x005f
 | |
| #define ADV7180_REG_DIFF_MODE		0x0060
 | |
| 
 | |
| #define ADV7180_REG_ICONF1		0x2040
 | |
| #define ADV7180_ICONF1_ACTIVE_LOW	0x01
 | |
| #define ADV7180_ICONF1_PSYNC_ONLY	0x10
 | |
| #define ADV7180_ICONF1_ACTIVE_TO_CLR	0xC0
 | |
| /* Saturation */
 | |
| #define ADV7180_REG_SD_SAT_CB	0x00e3	/*Unsigned */
 | |
| #define ADV7180_REG_SD_SAT_CR	0x00e4	/*Unsigned */
 | |
| #define ADV7180_SAT_MIN		0
 | |
| #define ADV7180_SAT_DEF		128
 | |
| #define ADV7180_SAT_MAX		255
 | |
| 
 | |
| #define ADV7180_IRQ1_LOCK	0x01
 | |
| #define ADV7180_IRQ1_UNLOCK	0x02
 | |
| #define ADV7180_REG_ISR1	0x2042
 | |
| #define ADV7180_REG_ICR1	0x2043
 | |
| #define ADV7180_REG_IMR1	0x2044
 | |
| #define ADV7180_REG_IMR2	0x2048
 | |
| #define ADV7180_IRQ3_AD_CHANGE	0x08
 | |
| #define ADV7180_REG_ISR3	0x204A
 | |
| #define ADV7180_REG_ICR3	0x204B
 | |
| #define ADV7180_REG_IMR3	0x204C
 | |
| #define ADV7180_REG_IMR4	0x2050
 | |
| 
 | |
| #define ADV7180_REG_NTSC_V_BIT_END	0x00E6
 | |
| #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND	0x4F
 | |
| 
 | |
| #define ADV7180_REG_VPP_SLAVE_ADDR	0xFD
 | |
| #define ADV7180_REG_CSI_SLAVE_ADDR	0xFE
 | |
| 
 | |
| #define ADV7180_REG_ACE_CTRL1		0x4080
 | |
| #define ADV7180_REG_ACE_CTRL5		0x4084
 | |
| #define ADV7180_REG_FLCONTROL		0x40e0
 | |
| #define ADV7180_FLCONTROL_FL_ENABLE 0x1
 | |
| 
 | |
| #define ADV7180_REG_RST_CLAMP	0x809c
 | |
| #define ADV7180_REG_AGC_ADJ1	0x80b6
 | |
| #define ADV7180_REG_AGC_ADJ2	0x80c0
 | |
| 
 | |
| #define ADV7180_CSI_REG_PWRDN	0x00
 | |
| #define ADV7180_CSI_PWRDN	0x80
 | |
| 
 | |
| #define ADV7180_INPUT_CVBS_AIN1 0x00
 | |
| #define ADV7180_INPUT_CVBS_AIN2 0x01
 | |
| #define ADV7180_INPUT_CVBS_AIN3 0x02
 | |
| #define ADV7180_INPUT_CVBS_AIN4 0x03
 | |
| #define ADV7180_INPUT_CVBS_AIN5 0x04
 | |
| #define ADV7180_INPUT_CVBS_AIN6 0x05
 | |
| #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
 | |
| #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
 | |
| #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
 | |
| #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
 | |
| #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
 | |
| 
 | |
| #define ADV7182_INPUT_CVBS_AIN1 0x00
 | |
| #define ADV7182_INPUT_CVBS_AIN2 0x01
 | |
| #define ADV7182_INPUT_CVBS_AIN3 0x02
 | |
| #define ADV7182_INPUT_CVBS_AIN4 0x03
 | |
| #define ADV7182_INPUT_CVBS_AIN5 0x04
 | |
| #define ADV7182_INPUT_CVBS_AIN6 0x05
 | |
| #define ADV7182_INPUT_CVBS_AIN7 0x06
 | |
| #define ADV7182_INPUT_CVBS_AIN8 0x07
 | |
| #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
 | |
| #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
 | |
| #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
 | |
| #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
 | |
| #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
 | |
| #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
 | |
| #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
 | |
| #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
 | |
| #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
 | |
| #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
 | |
| 
 | |
| #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
 | |
| #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
 | |
| 
 | |
| #define V4L2_CID_ADV_FAST_SWITCH	(V4L2_CID_USER_ADV7180_BASE + 0x00)
 | |
| 
 | |
| /* Initial number of frames to skip to avoid possible garbage */
 | |
| #define ADV7180_NUM_OF_SKIP_FRAMES       2
 | |
| 
 | |
| struct adv7180_state;
 | |
| 
 | |
| #define ADV7180_FLAG_RESET_POWERED	BIT(0)
 | |
| #define ADV7180_FLAG_V2			BIT(1)
 | |
| #define ADV7180_FLAG_MIPI_CSI2		BIT(2)
 | |
| #define ADV7180_FLAG_I2P		BIT(3)
 | |
| 
 | |
| struct adv7180_chip_info {
 | |
| 	unsigned int flags;
 | |
| 	unsigned int valid_input_mask;
 | |
| 	int (*set_std)(struct adv7180_state *st, unsigned int std);
 | |
| 	int (*select_input)(struct adv7180_state *st, unsigned int input);
 | |
| 	int (*init)(struct adv7180_state *state);
 | |
| };
 | |
| 
 | |
| struct adv7180_state {
 | |
| 	struct v4l2_ctrl_handler ctrl_hdl;
 | |
| 	struct v4l2_subdev	sd;
 | |
| 	struct media_pad	pad;
 | |
| 	struct mutex		mutex; /* mutual excl. when accessing chip */
 | |
| 	int			irq;
 | |
| 	struct gpio_desc	*pwdn_gpio;
 | |
| 	v4l2_std_id		curr_norm;
 | |
| 	bool			powered;
 | |
| 	bool			streaming;
 | |
| 	u8			input;
 | |
| 
 | |
| 	struct i2c_client	*client;
 | |
| 	unsigned int		register_page;
 | |
| 	struct i2c_client	*csi_client;
 | |
| 	struct i2c_client	*vpp_client;
 | |
| 	const struct adv7180_chip_info *chip_info;
 | |
| 	enum v4l2_field		field;
 | |
| };
 | |
| #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler,		\
 | |
| 					    struct adv7180_state,	\
 | |
| 					    ctrl_hdl)->sd)
 | |
| 
 | |
| static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
 | |
| {
 | |
| 	if (state->register_page != page) {
 | |
| 		i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
 | |
| 			page);
 | |
| 		state->register_page = page;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int adv7180_write(struct adv7180_state *state, unsigned int reg,
 | |
| 	unsigned int value)
 | |
| {
 | |
| 	lockdep_assert_held(&state->mutex);
 | |
| 	adv7180_select_page(state, reg >> 8);
 | |
| 	return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
 | |
| }
 | |
| 
 | |
| static int adv7180_read(struct adv7180_state *state, unsigned int reg)
 | |
| {
 | |
| 	lockdep_assert_held(&state->mutex);
 | |
| 	adv7180_select_page(state, reg >> 8);
 | |
| 	return i2c_smbus_read_byte_data(state->client, reg & 0xff);
 | |
| }
 | |
| 
 | |
| static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
 | |
| 	unsigned int value)
 | |
| {
 | |
| 	return i2c_smbus_write_byte_data(state->csi_client, reg, value);
 | |
| }
 | |
| 
 | |
| static int adv7180_set_video_standard(struct adv7180_state *state,
 | |
| 	unsigned int std)
 | |
| {
 | |
| 	return state->chip_info->set_std(state, std);
 | |
| }
 | |
| 
 | |
| static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
 | |
| 	unsigned int value)
 | |
| {
 | |
| 	return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
 | |
| }
 | |
| 
 | |
| static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
 | |
| {
 | |
| 	/* in case V4L2_IN_ST_NO_SIGNAL */
 | |
| 	if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 | |
| 		return V4L2_STD_UNKNOWN;
 | |
| 
 | |
| 	switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
 | |
| 	case ADV7180_STATUS1_AUTOD_NTSM_M_J:
 | |
| 		return V4L2_STD_NTSC;
 | |
| 	case ADV7180_STATUS1_AUTOD_NTSC_4_43:
 | |
| 		return V4L2_STD_NTSC_443;
 | |
| 	case ADV7180_STATUS1_AUTOD_PAL_M:
 | |
| 		return V4L2_STD_PAL_M;
 | |
| 	case ADV7180_STATUS1_AUTOD_PAL_60:
 | |
| 		return V4L2_STD_PAL_60;
 | |
| 	case ADV7180_STATUS1_AUTOD_PAL_B_G:
 | |
| 		return V4L2_STD_PAL;
 | |
| 	case ADV7180_STATUS1_AUTOD_SECAM:
 | |
| 		return V4L2_STD_SECAM;
 | |
| 	case ADV7180_STATUS1_AUTOD_PAL_COMB:
 | |
| 		return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
 | |
| 	case ADV7180_STATUS1_AUTOD_SECAM_525:
 | |
| 		return V4L2_STD_SECAM;
 | |
| 	default:
 | |
| 		return V4L2_STD_UNKNOWN;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int v4l2_std_to_adv7180(v4l2_std_id std)
 | |
| {
 | |
| 	if (std == V4L2_STD_PAL_60)
 | |
| 		return ADV7180_STD_PAL60;
 | |
| 	if (std == V4L2_STD_NTSC_443)
 | |
| 		return ADV7180_STD_NTSC_443;
 | |
| 	if (std == V4L2_STD_PAL_N)
 | |
| 		return ADV7180_STD_PAL_N;
 | |
| 	if (std == V4L2_STD_PAL_M)
 | |
| 		return ADV7180_STD_PAL_M;
 | |
| 	if (std == V4L2_STD_PAL_Nc)
 | |
| 		return ADV7180_STD_PAL_COMB_N;
 | |
| 
 | |
| 	if (std & V4L2_STD_PAL)
 | |
| 		return ADV7180_STD_PAL_BG;
 | |
| 	if (std & V4L2_STD_NTSC)
 | |
| 		return ADV7180_STD_NTSC_M;
 | |
| 	if (std & V4L2_STD_SECAM)
 | |
| 		return ADV7180_STD_PAL_SECAM;
 | |
| 
 | |
| 	return -EINVAL;
 | |
| }
 | |
| 
 | |
| static u32 adv7180_status_to_v4l2(u8 status1)
 | |
| {
 | |
| 	if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 | |
| 		return V4L2_IN_ST_NO_SIGNAL;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int __adv7180_status(struct adv7180_state *state, u32 *status,
 | |
| 			    v4l2_std_id *std)
 | |
| {
 | |
| 	int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
 | |
| 
 | |
| 	if (status1 < 0)
 | |
| 		return status1;
 | |
| 
 | |
| 	if (status)
 | |
| 		*status = adv7180_status_to_v4l2(status1);
 | |
| 	if (std)
 | |
| 		*std = adv7180_std_to_v4l2(status1);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
 | |
| {
 | |
| 	return container_of(sd, struct adv7180_state, sd);
 | |
| }
 | |
| 
 | |
| static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 | |
| {
 | |
| 	struct adv7180_state *state = to_state(sd);
 | |
| 	int err = mutex_lock_interruptible(&state->mutex);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 
 | |
| 	if (state->streaming) {
 | |
| 		err = -EBUSY;
 | |
| 		goto unlock;
 | |
| 	}
 | |
| 
 | |
| 	err = adv7180_set_video_standard(state,
 | |
| 			ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
 | |
| 	if (err)
 | |
| 		goto unlock;
 | |
| 
 | |
| 	msleep(100);
 | |
| 	__adv7180_status(state, NULL, std);
 | |
| 
 | |
| 	err = v4l2_std_to_adv7180(state->curr_norm);
 | |
| 	if (err < 0)
 | |
| 		goto unlock;
 | |
| 
 | |
| 	err = adv7180_set_video_standard(state, err);
 | |
| 
 | |
| unlock:
 | |
| 	mutex_unlock(&state->mutex);
 | |
| 	return err;
 | |
| }
 | |
| 
 | |
| static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
 | |
| 			     u32 output, u32 config)
 | |
| {
 | |
| 	struct adv7180_state *state = to_state(sd);
 | |
| 	int ret = mutex_lock_interruptible(&state->mutex);
 | |
| 
 | |
| 	if (ret)
 | |
| 		return ret;
 | |
| 
 | |
| 	if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
 | |
| 		ret = -EINVAL;
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	ret = state->chip_info->select_input(state, input);
 | |
| 
 | |
| 	if (ret == 0)
 | |
| 		state->input = input;
 | |
| out:
 | |
| 	mutex_unlock(&state->mutex);
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
 | |
| {
 | |
| 	struct adv7180_state *state = to_state(sd);
 | |
| 	int ret = mutex_lock_interruptible(&state->mutex);
 | |
| 	if (ret)
 | |
| 		return ret;
 | |
| 
 | |
| 	ret = __adv7180_status(state, status, NULL);
 | |
| 	mutex_unlock(&state->mutex);
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int adv7180_program_std(struct adv7180_state *state)
 | |
| {
 | |
| 	int ret;
 | |
| 
 | |
| 	ret = v4l2_std_to_adv7180(state->curr_norm);
 | |
| 	if (ret < 0)
 | |
| 		return ret;
 | |
| 
 | |
| 	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 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 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;
 | |
| 	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);
 | |
| 
 | |
| 	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_pad_config *cfg,
 | |
| 				  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_pad_config *cfg,
 | |
| 				  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, cfg, 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_pad_config *cfg,
 | |
| 				  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;
 | |
| 		/* fall through */
 | |
| 	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, cfg, 0);
 | |
| 		*framefmt = format->format;
 | |
| 	}
 | |
| 
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 | |
| 				 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->flags = V4L2_MBUS_CSI2_1_LANE |
 | |
| 				V4L2_MBUS_CSI2_CHANNEL_0 |
 | |
| 				V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
 | |
| 	} else {
 | |
| 		/*
 | |
| 		 * The ADV7180 sensor supports BT.601/656 output modes.
 | |
| 		 * The BT.656 is default and not yet configurable by s/w.
 | |
| 		 */
 | |
| 		cfg->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_mbus_config = adv7180_g_mbus_config,
 | |
| 	.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 = {
 | |
| 	.enum_mbus_code = adv7180_enum_mbus_code,
 | |
| 	.set_fmt = adv7180_set_pad_format,
 | |
| 	.get_fmt = adv7180_get_pad_format,
 | |
| };
 | |
| 
 | |
| 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)
 | |
| 			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_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 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;
 | |
| 
 | |
| 	v4l_info(client, "chip found @ 0x%02x (%s)\n",
 | |
| 		 client->addr, client->adapter->name);
 | |
| 
 | |
| 	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;
 | |
| 	}
 | |
| 
 | |
| 	if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 | |
| 		state->csi_client = i2c_new_dummy(client->adapter,
 | |
| 				ADV7180_DEFAULT_CSI_I2C_ADDR);
 | |
| 		if (!state->csi_client)
 | |
| 			return -ENOMEM;
 | |
| 	}
 | |
| 
 | |
| 	if (state->chip_info->flags & ADV7180_FLAG_I2P) {
 | |
| 		state->vpp_client = i2c_new_dummy(client->adapter,
 | |
| 				ADV7180_DEFAULT_VPP_I2C_ADDR);
 | |
| 		if (!state->vpp_client) {
 | |
| 			ret = -ENOMEM;
 | |
| 			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;
 | |
| 
 | |
| 	return 0;
 | |
| 
 | |
| 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_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 i2c_client *client = to_i2c_client(dev);
 | |
| 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
 | |
| 	struct adv7180_state *state = to_state(sd);
 | |
| 
 | |
| 	return adv7180_set_power(state, false);
 | |
| }
 | |
| 
 | |
| static int adv7180_resume(struct device *dev)
 | |
| {
 | |
| 	struct i2c_client *client = to_i2c_client(dev);
 | |
| 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
 | |
| 	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");
 |