V4L/DVB (6220): TCM825x: Add support for vidioc_int_g_ifparm call, small cleanups
vidioc_int_g_ifparm returns platform-specific information about the interface settings used by the sensor. Support for [gs]_ext_clk has been removed. Fix indentation and remove useless & characters. Remove experiment for typechecking slave callback function arguments. Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Sakari Ailus
Mauro Carvalho Chehab
Родитель
768f4bd3d6
Коммит
2060955748
|
|
@ -470,46 +470,6 @@ static int tcm825x_configure(struct v4l2_int_device *s)
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Given the image capture format in pix, the nominal frame period in
|
||||
* timeperframe, calculate the required xclk frequency.
|
||||
*
|
||||
* TCM825X input frequency characteristics are:
|
||||
* Minimum 11.9 MHz, Typical 24.57 MHz and maximum 25/27 MHz
|
||||
*/
|
||||
#define XCLK_MIN 11900000
|
||||
#define XCLK_MAX 25000000
|
||||
|
||||
static int ioctl_g_ext_clk(struct v4l2_int_device *s, u32 *xclk)
|
||||
{
|
||||
struct tcm825x_sensor *sensor = s->priv;
|
||||
struct v4l2_fract *timeperframe = &sensor->timeperframe;
|
||||
u32 tgt_xclk; /* target xclk */
|
||||
u32 tgt_fps; /* target frames per secound */
|
||||
|
||||
tgt_fps = timeperframe->denominator / timeperframe->numerator;
|
||||
|
||||
tgt_xclk = (tgt_fps <= HIGH_FPS_MODE_LOWER_LIMIT) ?
|
||||
(2457 * tgt_fps) / MAX_HALF_FPS :
|
||||
(2457 * tgt_fps) / MAX_FPS;
|
||||
tgt_xclk *= 10000;
|
||||
|
||||
tgt_xclk = min(tgt_xclk, (u32)XCLK_MAX);
|
||||
tgt_xclk = max(tgt_xclk, (u32)XCLK_MIN);
|
||||
|
||||
*xclk = tgt_xclk;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ioctl_s_ext_clk(struct v4l2_int_device *s, u32 xclk)
|
||||
{
|
||||
if (xclk > XCLK_MAX || xclk < XCLK_MIN)
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ioctl_queryctrl(struct v4l2_int_device *s,
|
||||
struct v4l2_queryctrl *qc)
|
||||
{
|
||||
|
|
@ -756,6 +716,41 @@ static int ioctl_s_power(struct v4l2_int_device *s, int on)
|
|||
return sensor->platform_data->power_set(on);
|
||||
}
|
||||
|
||||
/*
|
||||
* Given the image capture format in pix, the nominal frame period in
|
||||
* timeperframe, calculate the required xclk frequency.
|
||||
*
|
||||
* TCM825X input frequency characteristics are:
|
||||
* Minimum 11.9 MHz, Typical 24.57 MHz and maximum 25/27 MHz
|
||||
*/
|
||||
|
||||
static int ioctl_g_ifparm(struct v4l2_int_device *s, struct v4l2_ifparm *p)
|
||||
{
|
||||
struct tcm825x_sensor *sensor = s->priv;
|
||||
struct v4l2_fract *timeperframe = &sensor->timeperframe;
|
||||
u32 tgt_xclk; /* target xclk */
|
||||
u32 tgt_fps; /* target frames per secound */
|
||||
int rval;
|
||||
|
||||
rval = sensor->platform_data->ifparm(p);
|
||||
if (rval)
|
||||
return rval;
|
||||
|
||||
tgt_fps = timeperframe->denominator / timeperframe->numerator;
|
||||
|
||||
tgt_xclk = (tgt_fps <= HIGH_FPS_MODE_LOWER_LIMIT) ?
|
||||
(2457 * tgt_fps) / MAX_HALF_FPS :
|
||||
(2457 * tgt_fps) / MAX_FPS;
|
||||
tgt_xclk *= 10000;
|
||||
|
||||
tgt_xclk = min(tgt_xclk, (u32)TCM825X_XCLK_MAX);
|
||||
tgt_xclk = max(tgt_xclk, (u32)TCM825X_XCLK_MIN);
|
||||
|
||||
p->u.bt656.clock_curr = tgt_xclk;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ioctl_g_needs_reset(struct v4l2_int_device *s, void *buf)
|
||||
{
|
||||
struct tcm825x_sensor *sensor = s->priv;
|
||||
|
|
@ -793,43 +788,39 @@ static int ioctl_dev_init(struct v4l2_int_device *s)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#define NUM_IOCTLS 17
|
||||
|
||||
static struct v4l2_int_ioctl_desc tcm825x_ioctl_desc[NUM_IOCTLS] = {
|
||||
static struct v4l2_int_ioctl_desc tcm825x_ioctl_desc[] = {
|
||||
{ vidioc_int_dev_init_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_dev_init },
|
||||
(v4l2_int_ioctl_func *)ioctl_dev_init },
|
||||
{ vidioc_int_dev_exit_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_dev_exit },
|
||||
(v4l2_int_ioctl_func *)ioctl_dev_exit },
|
||||
{ vidioc_int_s_power_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_s_power },
|
||||
{ vidioc_int_g_ext_clk_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_g_ext_clk },
|
||||
{ vidioc_int_s_ext_clk_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_s_ext_clk },
|
||||
(v4l2_int_ioctl_func *)ioctl_s_power },
|
||||
{ vidioc_int_g_ifparm_num,
|
||||
(v4l2_int_ioctl_func *)ioctl_g_ifparm },
|
||||
{ vidioc_int_g_needs_reset_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_g_needs_reset },
|
||||
(v4l2_int_ioctl_func *)ioctl_g_needs_reset },
|
||||
{ vidioc_int_reset_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_reset },
|
||||
(v4l2_int_ioctl_func *)ioctl_reset },
|
||||
{ vidioc_int_init_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_init },
|
||||
(v4l2_int_ioctl_func *)ioctl_init },
|
||||
{ vidioc_int_enum_fmt_cap_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_enum_fmt_cap },
|
||||
(v4l2_int_ioctl_func *)ioctl_enum_fmt_cap },
|
||||
{ vidioc_int_try_fmt_cap_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_try_fmt_cap },
|
||||
(v4l2_int_ioctl_func *)ioctl_try_fmt_cap },
|
||||
{ vidioc_int_g_fmt_cap_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_g_fmt_cap },
|
||||
(v4l2_int_ioctl_func *)ioctl_g_fmt_cap },
|
||||
{ vidioc_int_s_fmt_cap_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_s_fmt_cap },
|
||||
(v4l2_int_ioctl_func *)ioctl_s_fmt_cap },
|
||||
{ vidioc_int_g_parm_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_g_parm },
|
||||
(v4l2_int_ioctl_func *)ioctl_g_parm },
|
||||
{ vidioc_int_s_parm_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_s_parm },
|
||||
(v4l2_int_ioctl_func *)ioctl_s_parm },
|
||||
{ vidioc_int_queryctrl_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_queryctrl },
|
||||
(v4l2_int_ioctl_func *)ioctl_queryctrl },
|
||||
{ vidioc_int_g_ctrl_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_g_ctrl },
|
||||
(v4l2_int_ioctl_func *)ioctl_g_ctrl },
|
||||
{ vidioc_int_s_ctrl_num,
|
||||
(v4l2_int_ioctl_func *)&ioctl_s_ctrl },
|
||||
(v4l2_int_ioctl_func *)ioctl_s_ctrl },
|
||||
};
|
||||
|
||||
static struct v4l2_int_slave tcm825x_slave = {
|
||||
|
|
@ -894,16 +885,16 @@ static int __exit tcm825x_remove(struct i2c_client *client)
|
|||
}
|
||||
|
||||
static struct i2c_driver tcm825x_i2c_driver = {
|
||||
.driver = {
|
||||
.driver = {
|
||||
.name = TCM825X_NAME,
|
||||
},
|
||||
.probe = &tcm825x_probe,
|
||||
.remove = __exit_p(&tcm825x_remove),
|
||||
.probe = tcm825x_probe,
|
||||
.remove = __exit_p(tcm825x_remove),
|
||||
};
|
||||
|
||||
static struct tcm825x_sensor tcm825x = {
|
||||
.timeperframe = {
|
||||
.numerator = 1,
|
||||
.numerator = 1,
|
||||
.denominator = DEFAULT_FPS,
|
||||
},
|
||||
};
|
||||
|
|
@ -911,11 +902,6 @@ static struct tcm825x_sensor tcm825x = {
|
|||
static int __init tcm825x_init(void)
|
||||
{
|
||||
int rval;
|
||||
int i = 0;
|
||||
|
||||
/* Just an experiment --- don't use *_cb functions yet. */
|
||||
tcm825x_ioctl_desc[i++] = vidioc_int_dev_init_cb(&ioctl_dev_init);
|
||||
BUG_ON(i >= NUM_IOCTLS);
|
||||
|
||||
rval = i2c_add_driver(&tcm825x_i2c_driver);
|
||||
if (rval)
|
||||
|
|
|
|||
|
|
@ -163,6 +163,9 @@ enum pixel_format { YUV422 = 0, RGB565 };
|
|||
#define NUM_IMAGE_SIZES 6
|
||||
#define NUM_PIXEL_FORMATS 2
|
||||
|
||||
#define TCM825X_XCLK_MIN 11900000
|
||||
#define TCM825X_XCLK_MAX 25000000
|
||||
|
||||
struct capture_size {
|
||||
unsigned long width;
|
||||
unsigned long height;
|
||||
|
|
@ -178,6 +181,7 @@ struct tcm825x_platform_data {
|
|||
const struct tcm825x_reg *(*default_regs)(void);
|
||||
int (*needs_reset)(struct v4l2_int_device *s, void *buf,
|
||||
struct v4l2_pix_format *fmt);
|
||||
int (*ifparm)(struct v4l2_ifparm *p);
|
||||
};
|
||||
|
||||
/* Array of image sizes supported by TCM825X. These must be ordered from
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче