2021-02-03 16:54:41 +03:00
|
|
|
// SPDX-License-Identifier: GPL-2.0-only
|
|
|
|
/*
|
|
|
|
* Sony imx334 sensor driver
|
|
|
|
*
|
|
|
|
* Copyright (C) 2021 Intel Corporation
|
|
|
|
*/
|
|
|
|
#include <asm/unaligned.h>
|
|
|
|
|
|
|
|
#include <linux/clk.h>
|
|
|
|
#include <linux/delay.h>
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/pm_runtime.h>
|
|
|
|
|
|
|
|
#include <media/v4l2-ctrls.h>
|
|
|
|
#include <media/v4l2-fwnode.h>
|
|
|
|
#include <media/v4l2-subdev.h>
|
|
|
|
|
|
|
|
/* Streaming Mode */
|
|
|
|
#define IMX334_REG_MODE_SELECT 0x3000
|
|
|
|
#define IMX334_MODE_STANDBY 0x01
|
|
|
|
#define IMX334_MODE_STREAMING 0x00
|
|
|
|
|
|
|
|
/* Lines per frame */
|
|
|
|
#define IMX334_REG_LPFR 0x3030
|
|
|
|
|
|
|
|
/* Chip ID */
|
|
|
|
#define IMX334_REG_ID 0x3044
|
|
|
|
#define IMX334_ID 0x1e
|
|
|
|
|
|
|
|
/* Exposure control */
|
|
|
|
#define IMX334_REG_SHUTTER 0x3058
|
|
|
|
#define IMX334_EXPOSURE_MIN 1
|
|
|
|
#define IMX334_EXPOSURE_OFFSET 5
|
|
|
|
#define IMX334_EXPOSURE_STEP 1
|
|
|
|
#define IMX334_EXPOSURE_DEFAULT 0x0648
|
|
|
|
|
|
|
|
/* Analog gain control */
|
|
|
|
#define IMX334_REG_AGAIN 0x30e8
|
|
|
|
#define IMX334_AGAIN_MIN 0
|
|
|
|
#define IMX334_AGAIN_MAX 240
|
|
|
|
#define IMX334_AGAIN_STEP 1
|
|
|
|
#define IMX334_AGAIN_DEFAULT 0
|
|
|
|
|
|
|
|
/* Group hold register */
|
|
|
|
#define IMX334_REG_HOLD 0x3001
|
|
|
|
|
|
|
|
/* Input clock rate */
|
|
|
|
#define IMX334_INCLK_RATE 24000000
|
|
|
|
|
|
|
|
/* CSI2 HW configuration */
|
|
|
|
#define IMX334_LINK_FREQ 891000000
|
|
|
|
#define IMX334_NUM_DATA_LANES 4
|
|
|
|
|
|
|
|
#define IMX334_REG_MIN 0x00
|
|
|
|
#define IMX334_REG_MAX 0xfffff
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct imx334_reg - imx334 sensor register
|
|
|
|
* @address: Register address
|
|
|
|
* @val: Register value
|
|
|
|
*/
|
|
|
|
struct imx334_reg {
|
|
|
|
u16 address;
|
|
|
|
u8 val;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct imx334_reg_list - imx334 sensor register list
|
|
|
|
* @num_of_regs: Number of registers in the list
|
|
|
|
* @regs: Pointer to register list
|
|
|
|
*/
|
|
|
|
struct imx334_reg_list {
|
|
|
|
u32 num_of_regs;
|
|
|
|
const struct imx334_reg *regs;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct imx334_mode - imx334 sensor mode structure
|
|
|
|
* @width: Frame width
|
|
|
|
* @height: Frame height
|
|
|
|
* @code: Format code
|
|
|
|
* @hblank: Horizontal blanking in lines
|
|
|
|
* @vblank: Vertical blanking in lines
|
|
|
|
* @vblank_min: Minimal vertical blanking in lines
|
|
|
|
* @vblank_max: Maximum vertical blanking in lines
|
|
|
|
* @pclk: Sensor pixel clock
|
|
|
|
* @link_freq_idx: Link frequency index
|
|
|
|
* @reg_list: Register list for sensor mode
|
|
|
|
*/
|
|
|
|
struct imx334_mode {
|
|
|
|
u32 width;
|
|
|
|
u32 height;
|
|
|
|
u32 code;
|
|
|
|
u32 hblank;
|
|
|
|
u32 vblank;
|
|
|
|
u32 vblank_min;
|
|
|
|
u32 vblank_max;
|
|
|
|
u64 pclk;
|
|
|
|
u32 link_freq_idx;
|
|
|
|
struct imx334_reg_list reg_list;
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* struct imx334 - imx334 sensor device structure
|
|
|
|
* @dev: Pointer to generic device
|
|
|
|
* @client: Pointer to i2c client
|
|
|
|
* @sd: V4L2 sub-device
|
|
|
|
* @pad: Media pad. Only one pad supported
|
|
|
|
* @reset_gpio: Sensor reset gpio
|
|
|
|
* @inclk: Sensor input clock
|
|
|
|
* @ctrl_handler: V4L2 control handler
|
|
|
|
* @link_freq_ctrl: Pointer to link frequency control
|
|
|
|
* @pclk_ctrl: Pointer to pixel clock control
|
|
|
|
* @hblank_ctrl: Pointer to horizontal blanking control
|
|
|
|
* @vblank_ctrl: Pointer to vertical blanking control
|
|
|
|
* @exp_ctrl: Pointer to exposure control
|
|
|
|
* @again_ctrl: Pointer to analog gain control
|
|
|
|
* @vblank: Vertical blanking in lines
|
|
|
|
* @cur_mode: Pointer to current selected sensor mode
|
|
|
|
* @mutex: Mutex for serializing sensor controls
|
|
|
|
* @streaming: Flag indicating streaming state
|
|
|
|
*/
|
|
|
|
struct imx334 {
|
|
|
|
struct device *dev;
|
|
|
|
struct i2c_client *client;
|
|
|
|
struct v4l2_subdev sd;
|
|
|
|
struct media_pad pad;
|
|
|
|
struct gpio_desc *reset_gpio;
|
|
|
|
struct clk *inclk;
|
|
|
|
struct v4l2_ctrl_handler ctrl_handler;
|
|
|
|
struct v4l2_ctrl *link_freq_ctrl;
|
|
|
|
struct v4l2_ctrl *pclk_ctrl;
|
|
|
|
struct v4l2_ctrl *hblank_ctrl;
|
|
|
|
struct v4l2_ctrl *vblank_ctrl;
|
|
|
|
struct {
|
|
|
|
struct v4l2_ctrl *exp_ctrl;
|
|
|
|
struct v4l2_ctrl *again_ctrl;
|
|
|
|
};
|
|
|
|
u32 vblank;
|
|
|
|
const struct imx334_mode *cur_mode;
|
|
|
|
struct mutex mutex;
|
|
|
|
bool streaming;
|
|
|
|
};
|
|
|
|
|
|
|
|
static const s64 link_freq[] = {
|
|
|
|
IMX334_LINK_FREQ,
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Sensor mode registers */
|
|
|
|
static const struct imx334_reg mode_3840x2160_regs[] = {
|
|
|
|
{0x3000, 0x01},
|
|
|
|
{0x3002, 0x00},
|
|
|
|
{0x3018, 0x04},
|
|
|
|
{0x37b0, 0x36},
|
|
|
|
{0x304c, 0x00},
|
|
|
|
{0x300c, 0x3b},
|
|
|
|
{0x300d, 0x2a},
|
|
|
|
{0x3034, 0x26},
|
|
|
|
{0x3035, 0x02},
|
|
|
|
{0x314c, 0x29},
|
|
|
|
{0x314d, 0x01},
|
|
|
|
{0x315a, 0x02},
|
|
|
|
{0x3168, 0xa0},
|
|
|
|
{0x316a, 0x7e},
|
|
|
|
{0x3288, 0x21},
|
|
|
|
{0x328a, 0x02},
|
|
|
|
{0x302c, 0x3c},
|
|
|
|
{0x302e, 0x00},
|
|
|
|
{0x302f, 0x0f},
|
|
|
|
{0x3076, 0x70},
|
|
|
|
{0x3077, 0x08},
|
|
|
|
{0x3090, 0x70},
|
|
|
|
{0x3091, 0x08},
|
|
|
|
{0x30d8, 0x20},
|
|
|
|
{0x30d9, 0x12},
|
|
|
|
{0x3308, 0x70},
|
|
|
|
{0x3309, 0x08},
|
|
|
|
{0x3414, 0x05},
|
|
|
|
{0x3416, 0x18},
|
|
|
|
{0x35ac, 0x0e},
|
|
|
|
{0x3648, 0x01},
|
|
|
|
{0x364a, 0x04},
|
|
|
|
{0x364c, 0x04},
|
|
|
|
{0x3678, 0x01},
|
|
|
|
{0x367c, 0x31},
|
|
|
|
{0x367e, 0x31},
|
|
|
|
{0x3708, 0x02},
|
|
|
|
{0x3714, 0x01},
|
|
|
|
{0x3715, 0x02},
|
|
|
|
{0x3716, 0x02},
|
|
|
|
{0x3717, 0x02},
|
|
|
|
{0x371c, 0x3d},
|
|
|
|
{0x371d, 0x3f},
|
|
|
|
{0x372c, 0x00},
|
|
|
|
{0x372d, 0x00},
|
|
|
|
{0x372e, 0x46},
|
|
|
|
{0x372f, 0x00},
|
|
|
|
{0x3730, 0x89},
|
|
|
|
{0x3731, 0x00},
|
|
|
|
{0x3732, 0x08},
|
|
|
|
{0x3733, 0x01},
|
|
|
|
{0x3734, 0xfe},
|
|
|
|
{0x3735, 0x05},
|
|
|
|
{0x375d, 0x00},
|
|
|
|
{0x375e, 0x00},
|
|
|
|
{0x375f, 0x61},
|
|
|
|
{0x3760, 0x06},
|
|
|
|
{0x3768, 0x1b},
|
|
|
|
{0x3769, 0x1b},
|
|
|
|
{0x376a, 0x1a},
|
|
|
|
{0x376b, 0x19},
|
|
|
|
{0x376c, 0x18},
|
|
|
|
{0x376d, 0x14},
|
|
|
|
{0x376e, 0x0f},
|
|
|
|
{0x3776, 0x00},
|
|
|
|
{0x3777, 0x00},
|
|
|
|
{0x3778, 0x46},
|
|
|
|
{0x3779, 0x00},
|
|
|
|
{0x377a, 0x08},
|
|
|
|
{0x377b, 0x01},
|
|
|
|
{0x377c, 0x45},
|
|
|
|
{0x377d, 0x01},
|
|
|
|
{0x377e, 0x23},
|
|
|
|
{0x377f, 0x02},
|
|
|
|
{0x3780, 0xd9},
|
|
|
|
{0x3781, 0x03},
|
|
|
|
{0x3782, 0xf5},
|
|
|
|
{0x3783, 0x06},
|
|
|
|
{0x3784, 0xa5},
|
|
|
|
{0x3788, 0x0f},
|
|
|
|
{0x378a, 0xd9},
|
|
|
|
{0x378b, 0x03},
|
|
|
|
{0x378c, 0xeb},
|
|
|
|
{0x378d, 0x05},
|
|
|
|
{0x378e, 0x87},
|
|
|
|
{0x378f, 0x06},
|
|
|
|
{0x3790, 0xf5},
|
|
|
|
{0x3792, 0x43},
|
|
|
|
{0x3794, 0x7a},
|
|
|
|
{0x3796, 0xa1},
|
|
|
|
{0x3e04, 0x0e},
|
|
|
|
{0x3a00, 0x01},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Supported sensor mode configurations */
|
|
|
|
static const struct imx334_mode supported_mode = {
|
|
|
|
.width = 3840,
|
|
|
|
.height = 2160,
|
|
|
|
.hblank = 560,
|
|
|
|
.vblank = 2340,
|
|
|
|
.vblank_min = 90,
|
|
|
|
.vblank_max = 132840,
|
|
|
|
.pclk = 594000000,
|
|
|
|
.link_freq_idx = 0,
|
|
|
|
.code = MEDIA_BUS_FMT_SRGGB12_1X12,
|
|
|
|
.reg_list = {
|
|
|
|
.num_of_regs = ARRAY_SIZE(mode_3840x2160_regs),
|
|
|
|
.regs = mode_3840x2160_regs,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* to_imx334() - imv334 V4L2 sub-device to imx334 device.
|
|
|
|
* @subdev: pointer to imx334 V4L2 sub-device
|
|
|
|
*
|
|
|
|
* Return: pointer to imx334 device
|
|
|
|
*/
|
|
|
|
static inline struct imx334 *to_imx334(struct v4l2_subdev *subdev)
|
|
|
|
{
|
|
|
|
return container_of(subdev, struct imx334, sd);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_read_reg() - Read registers.
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
* @reg: register address
|
|
|
|
* @len: length of bytes to read. Max supported bytes is 4
|
|
|
|
* @val: pointer to register value to be filled.
|
|
|
|
*
|
|
|
|
* Big endian register addresses with little endian values.
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_read_reg(struct imx334 *imx334, u16 reg, u32 len, u32 *val)
|
|
|
|
{
|
|
|
|
struct i2c_client *client = v4l2_get_subdevdata(&imx334->sd);
|
|
|
|
struct i2c_msg msgs[2] = {0};
|
|
|
|
u8 addr_buf[2] = {0};
|
|
|
|
u8 data_buf[4] = {0};
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (WARN_ON(len > 4))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
put_unaligned_be16(reg, addr_buf);
|
|
|
|
|
|
|
|
/* Write register address */
|
|
|
|
msgs[0].addr = client->addr;
|
|
|
|
msgs[0].flags = 0;
|
|
|
|
msgs[0].len = ARRAY_SIZE(addr_buf);
|
|
|
|
msgs[0].buf = addr_buf;
|
|
|
|
|
|
|
|
/* Read data from register */
|
|
|
|
msgs[1].addr = client->addr;
|
|
|
|
msgs[1].flags = I2C_M_RD;
|
|
|
|
msgs[1].len = len;
|
|
|
|
msgs[1].buf = data_buf;
|
|
|
|
|
|
|
|
ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
|
|
|
|
if (ret != ARRAY_SIZE(msgs))
|
|
|
|
return -EIO;
|
|
|
|
|
|
|
|
*val = get_unaligned_le32(data_buf);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_write_reg() - Write register
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
* @reg: register address
|
|
|
|
* @len: length of bytes. Max supported bytes is 4
|
|
|
|
* @val: register value
|
|
|
|
*
|
|
|
|
* Big endian register addresses with little endian values.
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_write_reg(struct imx334 *imx334, u16 reg, u32 len, u32 val)
|
|
|
|
{
|
|
|
|
struct i2c_client *client = v4l2_get_subdevdata(&imx334->sd);
|
|
|
|
u8 buf[6] = {0};
|
|
|
|
|
|
|
|
if (WARN_ON(len > 4))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
put_unaligned_be16(reg, buf);
|
|
|
|
put_unaligned_le32(val, buf + 2);
|
|
|
|
if (i2c_master_send(client, buf, len + 2) != len + 2)
|
|
|
|
return -EIO;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_write_regs() - Write a list of registers
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
* @regs: list of registers to be written
|
|
|
|
* @len: length of registers array
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_write_regs(struct imx334 *imx334,
|
|
|
|
const struct imx334_reg *regs, u32 len)
|
|
|
|
{
|
|
|
|
unsigned int i;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
for (i = 0; i < len; i++) {
|
|
|
|
ret = imx334_write_reg(imx334, regs[i].address, 1, regs[i].val);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_update_controls() - Update control ranges based on streaming mode
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
* @mode: pointer to imx334_mode sensor mode
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_update_controls(struct imx334 *imx334,
|
|
|
|
const struct imx334_mode *mode)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = __v4l2_ctrl_s_ctrl(imx334->link_freq_ctrl, mode->link_freq_idx);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
ret = __v4l2_ctrl_s_ctrl(imx334->hblank_ctrl, mode->hblank);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return __v4l2_ctrl_modify_range(imx334->vblank_ctrl, mode->vblank_min,
|
|
|
|
mode->vblank_max, 1, mode->vblank);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_update_exp_gain() - Set updated exposure and gain
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
* @exposure: updated exposure value
|
|
|
|
* @gain: updated analog gain value
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_update_exp_gain(struct imx334 *imx334, u32 exposure, u32 gain)
|
|
|
|
{
|
|
|
|
u32 lpfr, shutter;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
lpfr = imx334->vblank + imx334->cur_mode->height;
|
|
|
|
shutter = lpfr - exposure;
|
|
|
|
|
|
|
|
dev_dbg(imx334->dev, "Set long exp %u analog gain %u sh0 %u lpfr %u",
|
|
|
|
exposure, gain, shutter, lpfr);
|
|
|
|
|
|
|
|
ret = imx334_write_reg(imx334, IMX334_REG_HOLD, 1, 1);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
ret = imx334_write_reg(imx334, IMX334_REG_LPFR, 3, lpfr);
|
|
|
|
if (ret)
|
|
|
|
goto error_release_group_hold;
|
|
|
|
|
|
|
|
ret = imx334_write_reg(imx334, IMX334_REG_SHUTTER, 3, shutter);
|
|
|
|
if (ret)
|
|
|
|
goto error_release_group_hold;
|
|
|
|
|
|
|
|
ret = imx334_write_reg(imx334, IMX334_REG_AGAIN, 1, gain);
|
|
|
|
|
|
|
|
error_release_group_hold:
|
|
|
|
imx334_write_reg(imx334, IMX334_REG_HOLD, 1, 0);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_set_ctrl() - Set subdevice control
|
|
|
|
* @ctrl: pointer to v4l2_ctrl structure
|
|
|
|
*
|
|
|
|
* Supported controls:
|
|
|
|
* - V4L2_CID_VBLANK
|
|
|
|
* - cluster controls:
|
|
|
|
* - V4L2_CID_ANALOGUE_GAIN
|
|
|
|
* - V4L2_CID_EXPOSURE
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_set_ctrl(struct v4l2_ctrl *ctrl)
|
|
|
|
{
|
|
|
|
struct imx334 *imx334 =
|
|
|
|
container_of(ctrl->handler, struct imx334, ctrl_handler);
|
|
|
|
u32 analog_gain;
|
|
|
|
u32 exposure;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
switch (ctrl->id) {
|
|
|
|
case V4L2_CID_VBLANK:
|
|
|
|
imx334->vblank = imx334->vblank_ctrl->val;
|
|
|
|
|
|
|
|
dev_dbg(imx334->dev, "Received vblank %u, new lpfr %u",
|
|
|
|
imx334->vblank,
|
|
|
|
imx334->vblank + imx334->cur_mode->height);
|
|
|
|
|
|
|
|
ret = __v4l2_ctrl_modify_range(imx334->exp_ctrl,
|
|
|
|
IMX334_EXPOSURE_MIN,
|
|
|
|
imx334->vblank +
|
|
|
|
imx334->cur_mode->height -
|
|
|
|
IMX334_EXPOSURE_OFFSET,
|
|
|
|
1, IMX334_EXPOSURE_DEFAULT);
|
|
|
|
break;
|
|
|
|
case V4L2_CID_EXPOSURE:
|
|
|
|
|
|
|
|
/* Set controls only if sensor is in power on state */
|
|
|
|
if (!pm_runtime_get_if_in_use(imx334->dev))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
exposure = ctrl->val;
|
|
|
|
analog_gain = imx334->again_ctrl->val;
|
|
|
|
|
|
|
|
dev_dbg(imx334->dev, "Received exp %u analog gain %u",
|
|
|
|
exposure, analog_gain);
|
|
|
|
|
|
|
|
ret = imx334_update_exp_gain(imx334, exposure, analog_gain);
|
|
|
|
|
|
|
|
pm_runtime_put(imx334->dev);
|
|
|
|
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
dev_err(imx334->dev, "Invalid control %d", ctrl->id);
|
|
|
|
ret = -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* V4l2 subdevice control ops*/
|
|
|
|
static const struct v4l2_ctrl_ops imx334_ctrl_ops = {
|
|
|
|
.s_ctrl = imx334_set_ctrl,
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_enum_mbus_code() - Enumerate V4L2 sub-device mbus codes
|
|
|
|
* @sd: pointer to imx334 V4L2 sub-device structure
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
* @sd_state: V4L2 sub-device state
|
2021-02-03 16:54:41 +03:00
|
|
|
* @code: V4L2 sub-device code enumeration need to be filled
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_enum_mbus_code(struct v4l2_subdev *sd,
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
struct v4l2_subdev_state *sd_state,
|
2021-02-03 16:54:41 +03:00
|
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
|
|
{
|
|
|
|
if (code->index > 0)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
code->code = supported_mode.code;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_enum_frame_size() - Enumerate V4L2 sub-device frame sizes
|
|
|
|
* @sd: pointer to imx334 V4L2 sub-device structure
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
* @sd_state: V4L2 sub-device state
|
2021-02-03 16:54:41 +03:00
|
|
|
* @fsize: V4L2 sub-device size enumeration need to be filled
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_enum_frame_size(struct v4l2_subdev *sd,
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
struct v4l2_subdev_state *sd_state,
|
2021-02-03 16:54:41 +03:00
|
|
|
struct v4l2_subdev_frame_size_enum *fsize)
|
|
|
|
{
|
|
|
|
if (fsize->index > 0)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (fsize->code != supported_mode.code)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
fsize->min_width = supported_mode.width;
|
|
|
|
fsize->max_width = fsize->min_width;
|
|
|
|
fsize->min_height = supported_mode.height;
|
|
|
|
fsize->max_height = fsize->min_height;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_fill_pad_format() - Fill subdevice pad format
|
|
|
|
* from selected sensor mode
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
* @mode: pointer to imx334_mode sensor mode
|
|
|
|
* @fmt: V4L2 sub-device format need to be filled
|
|
|
|
*/
|
|
|
|
static void imx334_fill_pad_format(struct imx334 *imx334,
|
|
|
|
const struct imx334_mode *mode,
|
|
|
|
struct v4l2_subdev_format *fmt)
|
|
|
|
{
|
|
|
|
fmt->format.width = mode->width;
|
|
|
|
fmt->format.height = mode->height;
|
|
|
|
fmt->format.code = mode->code;
|
|
|
|
fmt->format.field = V4L2_FIELD_NONE;
|
|
|
|
fmt->format.colorspace = V4L2_COLORSPACE_RAW;
|
|
|
|
fmt->format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
|
|
|
|
fmt->format.quantization = V4L2_QUANTIZATION_DEFAULT;
|
|
|
|
fmt->format.xfer_func = V4L2_XFER_FUNC_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_get_pad_format() - Get subdevice pad format
|
|
|
|
* @sd: pointer to imx334 V4L2 sub-device structure
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
* @sd_state: V4L2 sub-device state
|
2021-02-03 16:54:41 +03:00
|
|
|
* @fmt: V4L2 sub-device format need to be set
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_get_pad_format(struct v4l2_subdev *sd,
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
struct v4l2_subdev_state *sd_state,
|
2021-02-03 16:54:41 +03:00
|
|
|
struct v4l2_subdev_format *fmt)
|
|
|
|
{
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
|
|
|
|
mutex_lock(&imx334->mutex);
|
|
|
|
|
|
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
|
|
struct v4l2_mbus_framefmt *framefmt;
|
|
|
|
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
|
2021-02-03 16:54:41 +03:00
|
|
|
fmt->format = *framefmt;
|
|
|
|
} else {
|
|
|
|
imx334_fill_pad_format(imx334, imx334->cur_mode, fmt);
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_unlock(&imx334->mutex);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_set_pad_format() - Set subdevice pad format
|
|
|
|
* @sd: pointer to imx334 V4L2 sub-device structure
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
* @sd_state: V4L2 sub-device state
|
2021-02-03 16:54:41 +03:00
|
|
|
* @fmt: V4L2 sub-device format need to be set
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_set_pad_format(struct v4l2_subdev *sd,
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
struct v4l2_subdev_state *sd_state,
|
2021-02-03 16:54:41 +03:00
|
|
|
struct v4l2_subdev_format *fmt)
|
|
|
|
{
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
const struct imx334_mode *mode;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
mutex_lock(&imx334->mutex);
|
|
|
|
|
|
|
|
mode = &supported_mode;
|
|
|
|
imx334_fill_pad_format(imx334, mode, fmt);
|
|
|
|
|
|
|
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
|
|
struct v4l2_mbus_framefmt *framefmt;
|
|
|
|
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
|
2021-02-03 16:54:41 +03:00
|
|
|
*framefmt = fmt->format;
|
|
|
|
} else {
|
|
|
|
ret = imx334_update_controls(imx334, mode);
|
|
|
|
if (!ret)
|
|
|
|
imx334->cur_mode = mode;
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_unlock(&imx334->mutex);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_init_pad_cfg() - Initialize sub-device pad configuration
|
|
|
|
* @sd: pointer to imx334 V4L2 sub-device structure
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
* @sd_state: V4L2 sub-device state
|
2021-02-03 16:54:41 +03:00
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_init_pad_cfg(struct v4l2_subdev *sd,
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
struct v4l2_subdev_state *sd_state)
|
2021-02-03 16:54:41 +03:00
|
|
|
{
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
struct v4l2_subdev_format fmt = { 0 };
|
|
|
|
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE;
|
2021-02-03 16:54:41 +03:00
|
|
|
imx334_fill_pad_format(imx334, &supported_mode, &fmt);
|
|
|
|
|
media: v4l2-subdev: add subdev-wide state struct
We have 'struct v4l2_subdev_pad_config' which contains configuration for
a single pad used for the TRY functionality, and an array of those
structs is passed to various v4l2_subdev_pad_ops.
I was working on subdev internal routing between pads, and realized that
there's no way to add TRY functionality for routes, which is not pad
specific configuration. Adding a separate struct for try-route config
wouldn't work either, as e.g. set-fmt needs to know the try-route
configuration to propagate the settings.
This patch adds a new struct, 'struct v4l2_subdev_state' (which at the
moment only contains the v4l2_subdev_pad_config array) and the new
struct is used in most of the places where v4l2_subdev_pad_config was
used. All v4l2_subdev_pad_ops functions taking v4l2_subdev_pad_config
are changed to instead take v4l2_subdev_state.
The changes to drivers/media/v4l2-core/v4l2-subdev.c and
include/media/v4l2-subdev.h were written by hand, and all the driver
changes were done with the semantic patch below. The spatch needs to be
applied to a select list of directories. I used the following shell
commands to apply the spatch:
dirs="drivers/media/i2c drivers/media/platform drivers/media/usb drivers/media/test-drivers/vimc drivers/media/pci drivers/staging/media"
for dir in $dirs; do spatch -j8 --dir --include-headers --no-show-diff --in-place --sp-file v4l2-subdev-state.cocci $dir; done
Note that Coccinelle chokes on a few drivers (gcc extensions?). With
minor changes we can make Coccinelle run fine, and these changes can be
reverted after spatch. The diff for these changes is:
For drivers/media/i2c/s5k5baf.c:
@@ -1481,7 +1481,7 @@ static int s5k5baf_set_selection(struct v4l2_subdev *sd,
&s5k5baf_cis_rect,
v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS),
v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS),
- v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT)
+ v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT),
};
s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r);
return 0;
For drivers/media/platform/s3c-camif/camif-capture.c:
@@ -1230,7 +1230,7 @@ static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd,
*mf = camif->mbus_fmt;
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* crop rectangle at camera interface input */
mf->width = camif->camif_crop.width;
mf->height = camif->camif_crop.height;
@@ -1332,7 +1332,7 @@ static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd,
}
break;
- case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P:
+ case CAMIF_SD_PAD_SOURCE_C:
/* Pixel format can be only changed on the sink pad. */
mf->code = camif->mbus_fmt.code;
mf->width = crop->width;
The semantic patch is:
// <smpl>
// Change function parameter
@@
identifier func;
identifier cfg;
@@
func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...)
{
<...
- cfg
+ sd_state
...>
}
// Change function declaration parameter
@@
identifier func;
identifier cfg;
type T;
@@
T func(...,
- struct v4l2_subdev_pad_config *cfg
+ struct v4l2_subdev_state *sd_state
, ...);
// Change function return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...)
{
...
}
// Change function declaration return value
@@
identifier func;
@@
- struct v4l2_subdev_pad_config
+ struct v4l2_subdev_state
*func(...);
// Some drivers pass a local pad_cfg for a single pad to a called function. Wrap it
// inside a pad_state.
@@
identifier func;
identifier pad_cfg;
@@
func(...)
{
...
struct v4l2_subdev_pad_config pad_cfg;
+ struct v4l2_subdev_state pad_state = { .pads = &pad_cfg };
<+...
(
v4l2_subdev_call
|
sensor_call
|
isi_try_fse
|
isc_try_fse
|
saa_call_all
)
(...,
- &pad_cfg
+ &pad_state
,...)
...+>
}
// If the function uses fields from pad_config, access via state->pads
@@
identifier func;
identifier state;
@@
func(...,
struct v4l2_subdev_state *state
, ...)
{
<...
(
- state->try_fmt
+ state->pads->try_fmt
|
- state->try_crop
+ state->pads->try_crop
|
- state->try_compose
+ state->pads->try_compose
)
...>
}
// If the function accesses the filehandle, use fh->state instead
@@
struct v4l2_subdev_fh *fh;
@@
- fh->pad
+ fh->state
@@
struct v4l2_subdev_fh fh;
@@
- fh.pad
+ fh.state
// Start of vsp1 specific
@@
@@
struct vsp1_entity {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
};
@@
symbol entity;
@@
vsp1_entity_init(...)
{
...
entity->config =
- v4l2_subdev_alloc_pad_config
+ v4l2_subdev_alloc_state
(&entity->subdev);
...
}
@@
symbol entity;
@@
vsp1_entity_destroy(...)
{
...
- v4l2_subdev_free_pad_config
+ v4l2_subdev_free_state
(entity->config);
...
}
@exists@
identifier func =~ "(^vsp1.*)|(hsit_set_format)|(sru_enum_frame_size)|(sru_set_format)|(uif_get_selection)|(uif_set_selection)|(uds_enum_frame_size)|(uds_set_format)|(brx_set_format)|(brx_get_selection)|(histo_get_selection)|(histo_set_selection)|(brx_set_selection)";
symbol config;
@@
func(...) {
...
- struct v4l2_subdev_pad_config *config;
+ struct v4l2_subdev_state *config;
...
}
// End of vsp1 specific
// Start of rcar specific
@@
identifier sd;
identifier pad_cfg;
@@
rvin_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
// End of rcar specific
// Start of rockchip specific
@@
identifier func =~ "(rkisp1_rsz_get_pad_fmt)|(rkisp1_rsz_get_pad_crop)|(rkisp1_rsz_register)";
symbol rsz;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = rsz->pad_cfg };
...
- rsz->pad_cfg
+ &state
...
}
@@
identifier func =~ "(rkisp1_isp_get_pad_fmt)|(rkisp1_isp_get_pad_crop)";
symbol isp;
symbol pad_cfg;
@@
func(...)
{
+ struct v4l2_subdev_state state = { .pads = isp->pad_cfg };
...
- isp->pad_cfg
+ &state
...
}
@@
symbol rkisp1;
symbol isp;
symbol pad_cfg;
@@
rkisp1_isp_register(...)
{
+ struct v4l2_subdev_state state = { .pads = rkisp1->isp.pad_cfg };
...
- rkisp1->isp.pad_cfg
+ &state
...
}
// End of rockchip specific
// Start of tegra-video specific
@@
identifier sd;
identifier pad_cfg;
@@
__tegra_channel_try_format(...)
{
...
- struct v4l2_subdev_pad_config *pad_cfg;
+ struct v4l2_subdev_state *sd_state;
...
- pad_cfg = v4l2_subdev_alloc_pad_config(sd);
+ sd_state = v4l2_subdev_alloc_state(sd);
<...
- pad_cfg
+ sd_state
...>
- v4l2_subdev_free_pad_config(pad_cfg);
+ v4l2_subdev_free_state(sd_state);
...
}
@@
identifier sd_state;
@@
__tegra_channel_try_format(...)
{
...
struct v4l2_subdev_state *sd_state;
<...
- sd_state->try_crop
+ sd_state->pads->try_crop
...>
}
// End of tegra-video specific
// </smpl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2021-06-10 17:55:58 +03:00
|
|
|
return imx334_set_pad_format(sd, sd_state, &fmt);
|
2021-02-03 16:54:41 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_start_streaming() - Start sensor stream
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_start_streaming(struct imx334 *imx334)
|
|
|
|
{
|
|
|
|
const struct imx334_reg_list *reg_list;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* Write sensor mode registers */
|
|
|
|
reg_list = &imx334->cur_mode->reg_list;
|
|
|
|
ret = imx334_write_regs(imx334, reg_list->regs,
|
|
|
|
reg_list->num_of_regs);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "fail to write initial registers");
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Setup handler will write actual exposure and gain */
|
|
|
|
ret = __v4l2_ctrl_handler_setup(imx334->sd.ctrl_handler);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "fail to setup handler");
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Start streaming */
|
|
|
|
ret = imx334_write_reg(imx334, IMX334_REG_MODE_SELECT,
|
|
|
|
1, IMX334_MODE_STREAMING);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "fail to start streaming");
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_stop_streaming() - Stop sensor stream
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_stop_streaming(struct imx334 *imx334)
|
|
|
|
{
|
|
|
|
return imx334_write_reg(imx334, IMX334_REG_MODE_SELECT,
|
|
|
|
1, IMX334_MODE_STANDBY);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_set_stream() - Enable sensor streaming
|
|
|
|
* @sd: pointer to imx334 subdevice
|
|
|
|
* @enable: set to enable sensor streaming
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_set_stream(struct v4l2_subdev *sd, int enable)
|
|
|
|
{
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
mutex_lock(&imx334->mutex);
|
|
|
|
|
|
|
|
if (imx334->streaming == enable) {
|
|
|
|
mutex_unlock(&imx334->mutex);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (enable) {
|
2021-04-23 18:19:13 +03:00
|
|
|
ret = pm_runtime_resume_and_get(imx334->dev);
|
|
|
|
if (ret < 0)
|
|
|
|
goto error_unlock;
|
2021-02-03 16:54:41 +03:00
|
|
|
|
|
|
|
ret = imx334_start_streaming(imx334);
|
|
|
|
if (ret)
|
|
|
|
goto error_power_off;
|
|
|
|
} else {
|
|
|
|
imx334_stop_streaming(imx334);
|
|
|
|
pm_runtime_put(imx334->dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
imx334->streaming = enable;
|
|
|
|
|
|
|
|
mutex_unlock(&imx334->mutex);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
error_power_off:
|
|
|
|
pm_runtime_put(imx334->dev);
|
2021-04-23 18:19:13 +03:00
|
|
|
error_unlock:
|
2021-02-03 16:54:41 +03:00
|
|
|
mutex_unlock(&imx334->mutex);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_detect() - Detect imx334 sensor
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, -EIO if sensor id does not match
|
|
|
|
*/
|
|
|
|
static int imx334_detect(struct imx334 *imx334)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
u32 val;
|
|
|
|
|
|
|
|
ret = imx334_read_reg(imx334, IMX334_REG_ID, 2, &val);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
if (val != IMX334_ID) {
|
|
|
|
dev_err(imx334->dev, "chip id mismatch: %x!=%x",
|
|
|
|
IMX334_ID, val);
|
|
|
|
return -ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_parse_hw_config() - Parse HW configuration and check if supported
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_parse_hw_config(struct imx334 *imx334)
|
|
|
|
{
|
|
|
|
struct fwnode_handle *fwnode = dev_fwnode(imx334->dev);
|
|
|
|
struct v4l2_fwnode_endpoint bus_cfg = {
|
|
|
|
.bus_type = V4L2_MBUS_CSI2_DPHY
|
|
|
|
};
|
|
|
|
struct fwnode_handle *ep;
|
|
|
|
unsigned long rate;
|
|
|
|
int ret;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (!fwnode)
|
|
|
|
return -ENXIO;
|
|
|
|
|
|
|
|
/* Request optional reset pin */
|
|
|
|
imx334->reset_gpio = devm_gpiod_get_optional(imx334->dev, "reset",
|
|
|
|
GPIOD_OUT_LOW);
|
|
|
|
if (IS_ERR(imx334->reset_gpio)) {
|
2021-02-08 14:32:29 +03:00
|
|
|
dev_err(imx334->dev, "failed to get reset gpio %ld",
|
|
|
|
PTR_ERR(imx334->reset_gpio));
|
2021-02-03 16:54:41 +03:00
|
|
|
return PTR_ERR(imx334->reset_gpio);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Get sensor input clock */
|
|
|
|
imx334->inclk = devm_clk_get(imx334->dev, NULL);
|
|
|
|
if (IS_ERR(imx334->inclk)) {
|
|
|
|
dev_err(imx334->dev, "could not get inclk");
|
|
|
|
return PTR_ERR(imx334->inclk);
|
|
|
|
}
|
|
|
|
|
|
|
|
rate = clk_get_rate(imx334->inclk);
|
|
|
|
if (rate != IMX334_INCLK_RATE) {
|
|
|
|
dev_err(imx334->dev, "inclk frequency mismatch");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
ep = fwnode_graph_get_next_endpoint(fwnode, NULL);
|
|
|
|
if (!ep)
|
|
|
|
return -ENXIO;
|
|
|
|
|
|
|
|
ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg);
|
|
|
|
fwnode_handle_put(ep);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
if (bus_cfg.bus.mipi_csi2.num_data_lanes != IMX334_NUM_DATA_LANES) {
|
|
|
|
dev_err(imx334->dev,
|
|
|
|
"number of CSI2 data lanes %d is not supported",
|
|
|
|
bus_cfg.bus.mipi_csi2.num_data_lanes);
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto done_endpoint_free;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!bus_cfg.nr_of_link_frequencies) {
|
|
|
|
dev_err(imx334->dev, "no link frequencies defined");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto done_endpoint_free;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++)
|
|
|
|
if (bus_cfg.link_frequencies[i] == IMX334_LINK_FREQ)
|
|
|
|
goto done_endpoint_free;
|
|
|
|
|
|
|
|
ret = -EINVAL;
|
|
|
|
|
|
|
|
done_endpoint_free:
|
|
|
|
v4l2_fwnode_endpoint_free(&bus_cfg);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* V4l2 subdevice ops */
|
|
|
|
static const struct v4l2_subdev_video_ops imx334_video_ops = {
|
|
|
|
.s_stream = imx334_set_stream,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct v4l2_subdev_pad_ops imx334_pad_ops = {
|
|
|
|
.init_cfg = imx334_init_pad_cfg,
|
|
|
|
.enum_mbus_code = imx334_enum_mbus_code,
|
|
|
|
.enum_frame_size = imx334_enum_frame_size,
|
|
|
|
.get_fmt = imx334_get_pad_format,
|
|
|
|
.set_fmt = imx334_set_pad_format,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct v4l2_subdev_ops imx334_subdev_ops = {
|
|
|
|
.video = &imx334_video_ops,
|
|
|
|
.pad = &imx334_pad_ops,
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_power_on() - Sensor power on sequence
|
|
|
|
* @dev: pointer to i2c device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_power_on(struct device *dev)
|
|
|
|
{
|
|
|
|
struct v4l2_subdev *sd = dev_get_drvdata(dev);
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
gpiod_set_value_cansleep(imx334->reset_gpio, 1);
|
|
|
|
|
|
|
|
ret = clk_prepare_enable(imx334->inclk);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "fail to enable inclk");
|
|
|
|
goto error_reset;
|
|
|
|
}
|
|
|
|
|
|
|
|
usleep_range(18000, 20000);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
error_reset:
|
|
|
|
gpiod_set_value_cansleep(imx334->reset_gpio, 0);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_power_off() - Sensor power off sequence
|
|
|
|
* @dev: pointer to i2c device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_power_off(struct device *dev)
|
|
|
|
{
|
|
|
|
struct v4l2_subdev *sd = dev_get_drvdata(dev);
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
|
|
|
|
gpiod_set_value_cansleep(imx334->reset_gpio, 0);
|
|
|
|
|
|
|
|
clk_disable_unprepare(imx334->inclk);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_init_controls() - Initialize sensor subdevice controls
|
|
|
|
* @imx334: pointer to imx334 device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_init_controls(struct imx334 *imx334)
|
|
|
|
{
|
|
|
|
struct v4l2_ctrl_handler *ctrl_hdlr = &imx334->ctrl_handler;
|
|
|
|
const struct imx334_mode *mode = imx334->cur_mode;
|
|
|
|
u32 lpfr;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = v4l2_ctrl_handler_init(ctrl_hdlr, 6);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
/* Serialize controls with sensor device */
|
|
|
|
ctrl_hdlr->lock = &imx334->mutex;
|
|
|
|
|
|
|
|
/* Initialize exposure and gain */
|
|
|
|
lpfr = mode->vblank + mode->height;
|
|
|
|
imx334->exp_ctrl = v4l2_ctrl_new_std(ctrl_hdlr,
|
|
|
|
&imx334_ctrl_ops,
|
|
|
|
V4L2_CID_EXPOSURE,
|
|
|
|
IMX334_EXPOSURE_MIN,
|
|
|
|
lpfr - IMX334_EXPOSURE_OFFSET,
|
|
|
|
IMX334_EXPOSURE_STEP,
|
|
|
|
IMX334_EXPOSURE_DEFAULT);
|
|
|
|
|
|
|
|
imx334->again_ctrl = v4l2_ctrl_new_std(ctrl_hdlr,
|
|
|
|
&imx334_ctrl_ops,
|
|
|
|
V4L2_CID_ANALOGUE_GAIN,
|
|
|
|
IMX334_AGAIN_MIN,
|
|
|
|
IMX334_AGAIN_MAX,
|
|
|
|
IMX334_AGAIN_STEP,
|
|
|
|
IMX334_AGAIN_DEFAULT);
|
|
|
|
|
|
|
|
v4l2_ctrl_cluster(2, &imx334->exp_ctrl);
|
|
|
|
|
|
|
|
imx334->vblank_ctrl = v4l2_ctrl_new_std(ctrl_hdlr,
|
|
|
|
&imx334_ctrl_ops,
|
|
|
|
V4L2_CID_VBLANK,
|
|
|
|
mode->vblank_min,
|
|
|
|
mode->vblank_max,
|
|
|
|
1, mode->vblank);
|
|
|
|
|
|
|
|
/* Read only controls */
|
|
|
|
imx334->pclk_ctrl = v4l2_ctrl_new_std(ctrl_hdlr,
|
|
|
|
&imx334_ctrl_ops,
|
|
|
|
V4L2_CID_PIXEL_RATE,
|
|
|
|
mode->pclk, mode->pclk,
|
|
|
|
1, mode->pclk);
|
|
|
|
|
|
|
|
imx334->link_freq_ctrl = v4l2_ctrl_new_int_menu(ctrl_hdlr,
|
|
|
|
&imx334_ctrl_ops,
|
|
|
|
V4L2_CID_LINK_FREQ,
|
|
|
|
ARRAY_SIZE(link_freq) -
|
|
|
|
1,
|
|
|
|
mode->link_freq_idx,
|
|
|
|
link_freq);
|
|
|
|
if (imx334->link_freq_ctrl)
|
|
|
|
imx334->link_freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
|
|
|
|
imx334->hblank_ctrl = v4l2_ctrl_new_std(ctrl_hdlr,
|
|
|
|
&imx334_ctrl_ops,
|
|
|
|
V4L2_CID_HBLANK,
|
|
|
|
IMX334_REG_MIN,
|
|
|
|
IMX334_REG_MAX,
|
|
|
|
1, mode->hblank);
|
|
|
|
if (imx334->hblank_ctrl)
|
|
|
|
imx334->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
|
|
|
|
|
|
if (ctrl_hdlr->error) {
|
|
|
|
dev_err(imx334->dev, "control init failed: %d",
|
|
|
|
ctrl_hdlr->error);
|
|
|
|
v4l2_ctrl_handler_free(ctrl_hdlr);
|
|
|
|
return ctrl_hdlr->error;
|
|
|
|
}
|
|
|
|
|
|
|
|
imx334->sd.ctrl_handler = ctrl_hdlr;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_probe() - I2C client device binding
|
|
|
|
* @client: pointer to i2c client device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
|
|
|
static int imx334_probe(struct i2c_client *client)
|
|
|
|
{
|
|
|
|
struct imx334 *imx334;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
imx334 = devm_kzalloc(&client->dev, sizeof(*imx334), GFP_KERNEL);
|
|
|
|
if (!imx334)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
imx334->dev = &client->dev;
|
|
|
|
|
|
|
|
/* Initialize subdev */
|
|
|
|
v4l2_i2c_subdev_init(&imx334->sd, client, &imx334_subdev_ops);
|
|
|
|
|
|
|
|
ret = imx334_parse_hw_config(imx334);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "HW configuration is not supported");
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_init(&imx334->mutex);
|
|
|
|
|
|
|
|
ret = imx334_power_on(imx334->dev);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "failed to power-on the sensor");
|
|
|
|
goto error_mutex_destroy;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check module identity */
|
|
|
|
ret = imx334_detect(imx334);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "failed to find sensor: %d", ret);
|
|
|
|
goto error_power_off;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set default mode to max resolution */
|
|
|
|
imx334->cur_mode = &supported_mode;
|
|
|
|
imx334->vblank = imx334->cur_mode->vblank;
|
|
|
|
|
|
|
|
ret = imx334_init_controls(imx334);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "failed to init controls: %d", ret);
|
|
|
|
goto error_power_off;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Initialize subdev */
|
|
|
|
imx334->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
|
|
|
imx334->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
|
|
|
|
|
|
/* Initialize source pad */
|
|
|
|
imx334->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
|
|
ret = media_entity_pads_init(&imx334->sd.entity, 1, &imx334->pad);
|
|
|
|
if (ret) {
|
|
|
|
dev_err(imx334->dev, "failed to init entity pads: %d", ret);
|
|
|
|
goto error_handler_free;
|
|
|
|
}
|
|
|
|
|
2021-03-05 19:42:34 +03:00
|
|
|
ret = v4l2_async_register_subdev_sensor(&imx334->sd);
|
2021-02-03 16:54:41 +03:00
|
|
|
if (ret < 0) {
|
|
|
|
dev_err(imx334->dev,
|
|
|
|
"failed to register async subdev: %d", ret);
|
|
|
|
goto error_media_entity;
|
|
|
|
}
|
|
|
|
|
|
|
|
pm_runtime_set_active(imx334->dev);
|
|
|
|
pm_runtime_enable(imx334->dev);
|
|
|
|
pm_runtime_idle(imx334->dev);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
error_media_entity:
|
|
|
|
media_entity_cleanup(&imx334->sd.entity);
|
|
|
|
error_handler_free:
|
|
|
|
v4l2_ctrl_handler_free(imx334->sd.ctrl_handler);
|
|
|
|
error_power_off:
|
|
|
|
imx334_power_off(imx334->dev);
|
|
|
|
error_mutex_destroy:
|
|
|
|
mutex_destroy(&imx334->mutex);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* imx334_remove() - I2C client device unbinding
|
|
|
|
* @client: pointer to I2C client device
|
|
|
|
*
|
|
|
|
* Return: 0 if successful, error code otherwise.
|
|
|
|
*/
|
2022-08-15 11:02:30 +03:00
|
|
|
static void imx334_remove(struct i2c_client *client)
|
2021-02-03 16:54:41 +03:00
|
|
|
{
|
|
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
|
|
struct imx334 *imx334 = to_imx334(sd);
|
|
|
|
|
|
|
|
v4l2_async_unregister_subdev(sd);
|
|
|
|
media_entity_cleanup(&sd->entity);
|
|
|
|
v4l2_ctrl_handler_free(sd->ctrl_handler);
|
|
|
|
|
|
|
|
pm_runtime_disable(&client->dev);
|
|
|
|
pm_runtime_suspended(&client->dev);
|
|
|
|
|
|
|
|
mutex_destroy(&imx334->mutex);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct dev_pm_ops imx334_pm_ops = {
|
|
|
|
SET_RUNTIME_PM_OPS(imx334_power_off, imx334_power_on, NULL)
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct of_device_id imx334_of_match[] = {
|
|
|
|
{ .compatible = "sony,imx334" },
|
|
|
|
{ }
|
|
|
|
};
|
|
|
|
|
|
|
|
MODULE_DEVICE_TABLE(of, imx334_of_match);
|
|
|
|
|
|
|
|
static struct i2c_driver imx334_driver = {
|
|
|
|
.probe_new = imx334_probe,
|
|
|
|
.remove = imx334_remove,
|
|
|
|
.driver = {
|
|
|
|
.name = "imx334",
|
|
|
|
.pm = &imx334_pm_ops,
|
|
|
|
.of_match_table = imx334_of_match,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
module_i2c_driver(imx334_driver);
|
|
|
|
|
|
|
|
MODULE_DESCRIPTION("Sony imx334 sensor driver");
|
|
|
|
MODULE_LICENSE("GPL");
|