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Diffstat (limited to 'drivers/media/video/cpia2/cpia2_v4l.c')
-rw-r--r--drivers/media/video/cpia2/cpia2_v4l.c850
1 files changed, 261 insertions, 589 deletions
diff --git a/drivers/media/video/cpia2/cpia2_v4l.c b/drivers/media/video/cpia2/cpia2_v4l.c
index 077eb1db80a1..55e92902a76c 100644
--- a/drivers/media/video/cpia2/cpia2_v4l.c
+++ b/drivers/media/video/cpia2/cpia2_v4l.c
@@ -39,15 +39,15 @@
#include <linux/videodev2.h>
#include <linux/stringify.h>
#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
#include "cpia2.h"
-#include "cpia2dev.h"
static int video_nr = -1;
module_param(video_nr, int, 0);
-MODULE_PARM_DESC(video_nr,"video device to register (0=/dev/video0, etc)");
+MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)");
-static int buffer_size = 68*1024;
+static int buffer_size = 68 * 1024;
module_param(buffer_size, int, 0);
MODULE_PARM_DESC(buffer_size, "Size for each frame buffer in bytes (default 68k)");
@@ -62,18 +62,10 @@ MODULE_PARM_DESC(alternate, "USB Alternate (" __stringify(USBIF_ISO_1) "-"
__stringify(USBIF_ISO_6) ", default "
__stringify(DEFAULT_ALT) ")");
-static int flicker_freq = 60;
-module_param(flicker_freq, int, 0);
-MODULE_PARM_DESC(flicker_freq, "Flicker frequency (" __stringify(50) "or"
- __stringify(60) ", default "
- __stringify(60) ")");
-
-static int flicker_mode = NEVER_FLICKER;
+static int flicker_mode;
module_param(flicker_mode, int, 0);
-MODULE_PARM_DESC(flicker_mode,
- "Flicker supression (" __stringify(NEVER_FLICKER) "or"
- __stringify(ANTI_FLICKER_ON) ", default "
- __stringify(NEVER_FLICKER) ")");
+MODULE_PARM_DESC(flicker_mode, "Flicker frequency (0 (disabled), " __stringify(50) " or "
+ __stringify(60) ", default 0)");
MODULE_AUTHOR("Steve Miller (STMicroelectronics) <steve.miller@st.com>");
MODULE_DESCRIPTION("V4L-driver for STMicroelectronics CPiA2 based cameras");
@@ -82,153 +74,7 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(CPIA_VERSION);
#define ABOUT "V4L-Driver for Vision CPiA2 based cameras"
-
-struct control_menu_info {
- int value;
- char name[32];
-};
-
-static struct control_menu_info framerate_controls[] =
-{
- { CPIA2_VP_FRAMERATE_6_25, "6.25 fps" },
- { CPIA2_VP_FRAMERATE_7_5, "7.5 fps" },
- { CPIA2_VP_FRAMERATE_12_5, "12.5 fps" },
- { CPIA2_VP_FRAMERATE_15, "15 fps" },
- { CPIA2_VP_FRAMERATE_25, "25 fps" },
- { CPIA2_VP_FRAMERATE_30, "30 fps" },
-};
-#define NUM_FRAMERATE_CONTROLS (ARRAY_SIZE(framerate_controls))
-
-static struct control_menu_info flicker_controls[] =
-{
- { NEVER_FLICKER, "Off" },
- { FLICKER_50, "50 Hz" },
- { FLICKER_60, "60 Hz" },
-};
-#define NUM_FLICKER_CONTROLS (ARRAY_SIZE(flicker_controls))
-
-static struct control_menu_info lights_controls[] =
-{
- { 0, "Off" },
- { 64, "Top" },
- { 128, "Bottom" },
- { 192, "Both" },
-};
-#define NUM_LIGHTS_CONTROLS (ARRAY_SIZE(lights_controls))
-#define GPIO_LIGHTS_MASK 192
-
-static struct v4l2_queryctrl controls[] = {
- {
- .id = V4L2_CID_BRIGHTNESS,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Brightness",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = DEFAULT_BRIGHTNESS,
- },
- {
- .id = V4L2_CID_CONTRAST,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = DEFAULT_CONTRAST,
- },
- {
- .id = V4L2_CID_SATURATION,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Saturation",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = DEFAULT_SATURATION,
- },
- {
- .id = V4L2_CID_HFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Mirror Horizontally",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = V4L2_CID_VFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Flip Vertically",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = CPIA2_CID_TARGET_KB,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Target KB",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = DEFAULT_TARGET_KB,
- },
- {
- .id = CPIA2_CID_GPIO,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "GPIO",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = CPIA2_CID_FLICKER_MODE,
- .type = V4L2_CTRL_TYPE_MENU,
- .name = "Flicker Reduction",
- .minimum = 0,
- .maximum = NUM_FLICKER_CONTROLS-1,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = CPIA2_CID_FRAMERATE,
- .type = V4L2_CTRL_TYPE_MENU,
- .name = "Framerate",
- .minimum = 0,
- .maximum = NUM_FRAMERATE_CONTROLS-1,
- .step = 1,
- .default_value = NUM_FRAMERATE_CONTROLS-1,
- },
- {
- .id = CPIA2_CID_USB_ALT,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "USB Alternate",
- .minimum = USBIF_ISO_1,
- .maximum = USBIF_ISO_6,
- .step = 1,
- .default_value = DEFAULT_ALT,
- },
- {
- .id = CPIA2_CID_LIGHTS,
- .type = V4L2_CTRL_TYPE_MENU,
- .name = "Lights",
- .minimum = 0,
- .maximum = NUM_LIGHTS_CONTROLS-1,
- .step = 1,
- .default_value = 0,
- },
- {
- .id = CPIA2_CID_RESET_CAMERA,
- .type = V4L2_CTRL_TYPE_BUTTON,
- .name = "Reset Camera",
- .minimum = 0,
- .maximum = 0,
- .step = 0,
- .default_value = 0,
- },
-};
-#define NUM_CONTROLS (ARRAY_SIZE(controls))
-
+#define CPIA2_CID_USB_ALT (V4L2_CID_USER_BASE | 0xf000)
/******************************************************************************
*
@@ -238,38 +84,27 @@ static struct v4l2_queryctrl controls[] = {
static int cpia2_open(struct file *file)
{
struct camera_data *cam = video_drvdata(file);
- struct cpia2_fh *fh;
-
- if (!cam) {
- ERR("Internal error, camera_data not found!\n");
- return -ENODEV;
- }
+ int retval = v4l2_fh_open(file);
- if (!cam->present)
- return -ENODEV;
+ if (retval)
+ return retval;
- if (cam->open_count == 0) {
- if (cpia2_allocate_buffers(cam))
+ if (v4l2_fh_is_singular_file(file)) {
+ if (cpia2_allocate_buffers(cam)) {
+ v4l2_fh_release(file);
return -ENOMEM;
+ }
/* reset the camera */
- if (cpia2_reset_camera(cam) < 0)
+ if (cpia2_reset_camera(cam) < 0) {
+ v4l2_fh_release(file);
return -EIO;
+ }
cam->APP_len = 0;
cam->COM_len = 0;
}
- fh = kmalloc(sizeof(*fh), GFP_KERNEL);
- if (!fh)
- return -ENOMEM;
- file->private_data = fh;
- fh->prio = V4L2_PRIORITY_UNSET;
- v4l2_prio_open(&cam->prio, &fh->prio);
- fh->mmapped = 0;
-
- ++cam->open_count;
-
cpia2_dbg_dump_registers(cam);
return 0;
}
@@ -283,37 +118,22 @@ static int cpia2_close(struct file *file)
{
struct video_device *dev = video_devdata(file);
struct camera_data *cam = video_get_drvdata(dev);
- struct cpia2_fh *fh = file->private_data;
- if (cam->present &&
- (cam->open_count == 1 || fh->prio == V4L2_PRIORITY_RECORD)) {
+ if (video_is_registered(&cam->vdev) && v4l2_fh_is_singular_file(file)) {
cpia2_usb_stream_stop(cam);
- if (cam->open_count == 1) {
- /* save camera state for later open */
- cpia2_save_camera_state(cam);
+ /* save camera state for later open */
+ cpia2_save_camera_state(cam);
- cpia2_set_low_power(cam);
- cpia2_free_buffers(cam);
- }
+ cpia2_set_low_power(cam);
+ cpia2_free_buffers(cam);
}
- if (fh->mmapped)
+ if (cam->stream_fh == file->private_data) {
+ cam->stream_fh = NULL;
cam->mmapped = 0;
- v4l2_prio_close(&cam->prio, fh->prio);
- file->private_data = NULL;
- kfree(fh);
-
- if (--cam->open_count == 0) {
- cpia2_free_buffers(cam);
- if (!cam->present) {
- video_unregister_device(dev);
- kfree(cam);
- return 0;
- }
}
-
- return 0;
+ return v4l2_fh_release(file);
}
/******************************************************************************
@@ -327,16 +147,9 @@ static ssize_t cpia2_v4l_read(struct file *file, char __user *buf, size_t count,
struct camera_data *cam = video_drvdata(file);
int noblock = file->f_flags&O_NONBLOCK;
- struct cpia2_fh *fh = file->private_data;
-
if(!cam)
return -EINVAL;
- /* Priority check */
- if(fh->prio != V4L2_PRIORITY_RECORD) {
- return -EBUSY;
- }
-
return cpia2_read(cam, buf, count, noblock);
}
@@ -349,15 +162,6 @@ static ssize_t cpia2_v4l_read(struct file *file, char __user *buf, size_t count,
static unsigned int cpia2_v4l_poll(struct file *filp, struct poll_table_struct *wait)
{
struct camera_data *cam = video_drvdata(filp);
- struct cpia2_fh *fh = filp->private_data;
-
- if(!cam)
- return POLLERR;
-
- /* Priority check */
- if(fh->prio != V4L2_PRIORITY_RECORD) {
- return POLLERR;
- }
return cpia2_poll(cam, filp, wait);
}
@@ -384,36 +188,13 @@ static int sync(struct camera_data *cam, int frame_nr)
mutex_lock(&cam->v4l2_lock);
if (signal_pending(current))
return -ERESTARTSYS;
- if(!cam->present)
+ if (!video_is_registered(&cam->vdev))
return -ENOTTY;
}
}
/******************************************************************************
*
- * ioctl_set_gpio
- *
- *****************************************************************************/
-
-static long cpia2_default(struct file *file, void *fh, bool valid_prio,
- int cmd, void *arg)
-{
- struct camera_data *cam = video_drvdata(file);
- __u32 gpio_val;
-
- if (cmd != CPIA2_CID_GPIO)
- return -EINVAL;
-
- gpio_val = *(__u32*) arg;
-
- if (gpio_val &~ 0xFFU)
- return -EINVAL;
-
- return cpia2_set_gpio(cam, (unsigned char)gpio_val);
-}
-
-/******************************************************************************
- *
* ioctl_querycap
*
* V4L2 device capabilities
@@ -465,9 +246,11 @@ static int cpia2_querycap(struct file *file, void *fh, struct v4l2_capability *v
if (usb_make_path(cam->dev, vc->bus_info, sizeof(vc->bus_info)) <0)
memset(vc->bus_info,0, sizeof(vc->bus_info));
- vc->capabilities = V4L2_CAP_VIDEO_CAPTURE |
+ vc->device_caps = V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_READWRITE |
V4L2_CAP_STREAMING;
+ vc->capabilities = vc->device_caps |
+ V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -610,22 +393,12 @@ static int cpia2_s_fmt_vid_cap(struct file *file, void *_fh,
struct v4l2_format *f)
{
struct camera_data *cam = video_drvdata(file);
- struct cpia2_fh *fh = _fh;
int err, frame;
- err = v4l2_prio_check(&cam->prio, fh->prio);
- if (err)
- return err;
err = cpia2_try_fmt_vid_cap(file, _fh, f);
if(err != 0)
return err;
- /* Ensure that only this process can change the format. */
- err = v4l2_prio_change(&cam->prio, &fh->prio, V4L2_PRIORITY_RECORD);
- if(err != 0) {
- return err;
- }
-
cam->pixelformat = f->fmt.pix.pixelformat;
/* NOTE: This should be set to 1 for MJPEG, but some apps don't handle
@@ -713,240 +486,126 @@ static int cpia2_cropcap(struct file *file, void *fh, struct v4l2_cropcap *c)
return 0;
}
-/******************************************************************************
- *
- * ioctl_queryctrl
- *
- * V4L2 query possible control variables
- *
- *****************************************************************************/
+struct framerate_info {
+ int value;
+ struct v4l2_fract period;
+};
-static int cpia2_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *c)
+static const struct framerate_info framerate_controls[] = {
+ { CPIA2_VP_FRAMERATE_6_25, { 4, 25 } },
+ { CPIA2_VP_FRAMERATE_7_5, { 2, 15 } },
+ { CPIA2_VP_FRAMERATE_12_5, { 2, 25 } },
+ { CPIA2_VP_FRAMERATE_15, { 1, 15 } },
+ { CPIA2_VP_FRAMERATE_25, { 1, 25 } },
+ { CPIA2_VP_FRAMERATE_30, { 1, 30 } },
+};
+
+static int cpia2_g_parm(struct file *file, void *fh, struct v4l2_streamparm *p)
{
struct camera_data *cam = video_drvdata(file);
+ struct v4l2_captureparm *cap = &p->parm.capture;
int i;
- for(i=0; i<NUM_CONTROLS; ++i) {
- if(c->id == controls[i].id) {
- memcpy(c, controls+i, sizeof(*c));
- break;
- }
- }
-
- if(i == NUM_CONTROLS)
+ if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- /* Some devices have additional limitations */
- switch(c->id) {
- case V4L2_CID_BRIGHTNESS:
- /***
- * Don't let the register be set to zero - bug in VP4
- * flash of full brightness
- ***/
- if (cam->params.pnp_id.device_type == DEVICE_STV_672)
- c->minimum = 1;
- break;
- case V4L2_CID_VFLIP:
- // VP5 Only
- if(cam->params.pnp_id.device_type == DEVICE_STV_672)
- c->flags |= V4L2_CTRL_FLAG_DISABLED;
- break;
- case CPIA2_CID_FRAMERATE:
- if(cam->params.pnp_id.device_type == DEVICE_STV_672 &&
- cam->params.version.sensor_flags==CPIA2_VP_SENSOR_FLAGS_500){
- // Maximum 15fps
- for(i=0; i<c->maximum; ++i) {
- if(framerate_controls[i].value ==
- CPIA2_VP_FRAMERATE_15) {
- c->maximum = i;
- c->default_value = i;
- }
- }
+ cap->capability = V4L2_CAP_TIMEPERFRAME;
+ cap->readbuffers = cam->num_frames;
+ for (i = 0; i < ARRAY_SIZE(framerate_controls); i++)
+ if (cam->params.vp_params.frame_rate == framerate_controls[i].value) {
+ cap->timeperframe = framerate_controls[i].period;
+ break;
}
- break;
- case CPIA2_CID_FLICKER_MODE:
- // Flicker control only valid for 672.
- if(cam->params.pnp_id.device_type != DEVICE_STV_672)
- c->flags |= V4L2_CTRL_FLAG_DISABLED;
- break;
- case CPIA2_CID_LIGHTS:
- // Light control only valid for the QX5 Microscope.
- if(cam->params.pnp_id.product != 0x151)
- c->flags |= V4L2_CTRL_FLAG_DISABLED;
- break;
- default:
- break;
- }
-
return 0;
}
-/******************************************************************************
- *
- * ioctl_querymenu
- *
- * V4L2 query possible control variables
- *
- *****************************************************************************/
-
-static int cpia2_querymenu(struct file *file, void *fh, struct v4l2_querymenu *m)
+static int cpia2_s_parm(struct file *file, void *fh, struct v4l2_streamparm *p)
{
struct camera_data *cam = video_drvdata(file);
+ struct v4l2_captureparm *cap = &p->parm.capture;
+ struct v4l2_fract tpf = cap->timeperframe;
+ int max = ARRAY_SIZE(framerate_controls) - 1;
+ int ret;
+ int i;
- switch(m->id) {
- case CPIA2_CID_FLICKER_MODE:
- if (m->index >= NUM_FLICKER_CONTROLS)
- return -EINVAL;
+ ret = cpia2_g_parm(file, fh, p);
+ if (ret || !tpf.denominator || !tpf.numerator)
+ return ret;
+
+ /* Maximum 15 fps for this model */
+ if (cam->params.pnp_id.device_type == DEVICE_STV_672 &&
+ cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500)
+ max -= 2;
+ for (i = 0; i <= max; i++) {
+ struct v4l2_fract f1 = tpf;
+ struct v4l2_fract f2 = framerate_controls[i].period;
+
+ f1.numerator *= f2.denominator;
+ f2.numerator *= f1.denominator;
+ if (f1.numerator >= f2.numerator)
+ break;
+ }
+ if (i > max)
+ i = max;
+ cap->timeperframe = framerate_controls[i].period;
+ return cpia2_set_fps(cam, framerate_controls[i].value);
+}
- strcpy(m->name, flicker_controls[m->index].name);
- break;
- case CPIA2_CID_FRAMERATE:
- {
- int maximum = NUM_FRAMERATE_CONTROLS - 1;
- if(cam->params.pnp_id.device_type == DEVICE_STV_672 &&
- cam->params.version.sensor_flags==CPIA2_VP_SENSOR_FLAGS_500){
- // Maximum 15fps
- int i;
- for(i=0; i<maximum; ++i) {
- if(framerate_controls[i].value ==
- CPIA2_VP_FRAMERATE_15)
- maximum = i;
- }
- }
- if (m->index > maximum)
- return -EINVAL;
+static const struct {
+ u32 width;
+ u32 height;
+} cpia2_framesizes[] = {
+ { 640, 480 },
+ { 352, 288 },
+ { 320, 240 },
+ { 288, 216 },
+ { 256, 192 },
+ { 224, 168 },
+ { 192, 144 },
+ { 176, 144 },
+};
- strcpy(m->name, framerate_controls[m->index].name);
- break;
- }
- case CPIA2_CID_LIGHTS:
- if (m->index >= NUM_LIGHTS_CONTROLS)
- return -EINVAL;
+static int cpia2_enum_framesizes(struct file *file, void *fh,
+ struct v4l2_frmsizeenum *fsize)
+{
- strcpy(m->name, lights_controls[m->index].name);
- break;
- default:
+ if (fsize->pixel_format != V4L2_PIX_FMT_MJPEG &&
+ fsize->pixel_format != V4L2_PIX_FMT_JPEG)
return -EINVAL;
- }
+ if (fsize->index >= ARRAY_SIZE(cpia2_framesizes))
+ return -EINVAL;
+ fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+ fsize->discrete.width = cpia2_framesizes[fsize->index].width;
+ fsize->discrete.height = cpia2_framesizes[fsize->index].height;
return 0;
}
-/******************************************************************************
- *
- * ioctl_g_ctrl
- *
- * V4L2 get the value of a control variable
- *
- *****************************************************************************/
-
-static int cpia2_g_ctrl(struct file *file, void *fh, struct v4l2_control *c)
+static int cpia2_enum_frameintervals(struct file *file, void *fh,
+ struct v4l2_frmivalenum *fival)
{
struct camera_data *cam = video_drvdata(file);
+ int max = ARRAY_SIZE(framerate_controls) - 1;
+ int i;
- switch(c->id) {
- case V4L2_CID_BRIGHTNESS:
- cpia2_do_command(cam, CPIA2_CMD_GET_VP_BRIGHTNESS,
- TRANSFER_READ, 0);
- c->value = cam->params.color_params.brightness;
- break;
- case V4L2_CID_CONTRAST:
- cpia2_do_command(cam, CPIA2_CMD_GET_CONTRAST,
- TRANSFER_READ, 0);
- c->value = cam->params.color_params.contrast;
- break;
- case V4L2_CID_SATURATION:
- cpia2_do_command(cam, CPIA2_CMD_GET_VP_SATURATION,
- TRANSFER_READ, 0);
- c->value = cam->params.color_params.saturation;
- break;
- case V4L2_CID_HFLIP:
- cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS,
- TRANSFER_READ, 0);
- c->value = (cam->params.vp_params.user_effects &
- CPIA2_VP_USER_EFFECTS_MIRROR) != 0;
- break;
- case V4L2_CID_VFLIP:
- cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS,
- TRANSFER_READ, 0);
- c->value = (cam->params.vp_params.user_effects &
- CPIA2_VP_USER_EFFECTS_FLIP) != 0;
- break;
- case CPIA2_CID_TARGET_KB:
- c->value = cam->params.vc_params.target_kb;
- break;
- case CPIA2_CID_GPIO:
- cpia2_do_command(cam, CPIA2_CMD_GET_VP_GPIO_DATA,
- TRANSFER_READ, 0);
- c->value = cam->params.vp_params.gpio_data;
- break;
- case CPIA2_CID_FLICKER_MODE:
- {
- int i, mode;
- cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES,
- TRANSFER_READ, 0);
- if(cam->params.flicker_control.cam_register &
- CPIA2_VP_FLICKER_MODES_NEVER_FLICKER) {
- mode = NEVER_FLICKER;
- } else {
- if(cam->params.flicker_control.cam_register &
- CPIA2_VP_FLICKER_MODES_50HZ) {
- mode = FLICKER_50;
- } else {
- mode = FLICKER_60;
- }
- }
- for(i=0; i<NUM_FLICKER_CONTROLS; i++) {
- if(flicker_controls[i].value == mode) {
- c->value = i;
- break;
- }
- }
- if(i == NUM_FLICKER_CONTROLS)
- return -EINVAL;
- break;
- }
- case CPIA2_CID_FRAMERATE:
- {
- int maximum = NUM_FRAMERATE_CONTROLS - 1;
- int i;
- for(i=0; i<= maximum; i++) {
- if(cam->params.vp_params.frame_rate ==
- framerate_controls[i].value)
- break;
- }
- if(i > maximum)
- return -EINVAL;
- c->value = i;
- break;
- }
- case CPIA2_CID_USB_ALT:
- c->value = cam->params.camera_state.stream_mode;
- break;
- case CPIA2_CID_LIGHTS:
- {
- int i;
- cpia2_do_command(cam, CPIA2_CMD_GET_VP_GPIO_DATA,
- TRANSFER_READ, 0);
- for(i=0; i<NUM_LIGHTS_CONTROLS; i++) {
- if((cam->params.vp_params.gpio_data&GPIO_LIGHTS_MASK) ==
- lights_controls[i].value) {
- break;
- }
- }
- if(i == NUM_LIGHTS_CONTROLS)
- return -EINVAL;
- c->value = i;
- break;
- }
- case CPIA2_CID_RESET_CAMERA:
+ if (fival->pixel_format != V4L2_PIX_FMT_MJPEG &&
+ fival->pixel_format != V4L2_PIX_FMT_JPEG)
return -EINVAL;
- default:
- return -EINVAL;
- }
-
- DBG("Get control id:%d, value:%d\n", c->id, c->value);
+ /* Maximum 15 fps for this model */
+ if (cam->params.pnp_id.device_type == DEVICE_STV_672 &&
+ cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500)
+ max -= 2;
+ if (fival->index > max)
+ return -EINVAL;
+ for (i = 0; i < ARRAY_SIZE(cpia2_framesizes); i++)
+ if (fival->width == cpia2_framesizes[i].width &&
+ fival->height == cpia2_framesizes[i].height)
+ break;
+ if (i == ARRAY_SIZE(cpia2_framesizes))
+ return -EINVAL;
+ fival->type = V4L2_FRMIVAL_TYPE_DISCRETE;
+ fival->discrete = framerate_controls[fival->index].period;
return 0;
}
@@ -958,72 +617,54 @@ static int cpia2_g_ctrl(struct file *file, void *fh, struct v4l2_control *c)
*
*****************************************************************************/
-static int cpia2_s_ctrl(struct file *file, void *fh, struct v4l2_control *c)
+static int cpia2_s_ctrl(struct v4l2_ctrl *ctrl)
{
- struct camera_data *cam = video_drvdata(file);
- int i;
- int retval = 0;
+ struct camera_data *cam =
+ container_of(ctrl->handler, struct camera_data, hdl);
+ static const int flicker_table[] = {
+ NEVER_FLICKER,
+ FLICKER_50,
+ FLICKER_60,
+ };
- DBG("Set control id:%d, value:%d\n", c->id, c->value);
-
- /* Check that the value is in range */
- for(i=0; i<NUM_CONTROLS; i++) {
- if(c->id == controls[i].id) {
- if(c->value < controls[i].minimum ||
- c->value > controls[i].maximum) {
- return -EINVAL;
- }
- break;
- }
- }
- if(i == NUM_CONTROLS)
- return -EINVAL;
+ DBG("Set control id:%d, value:%d\n", ctrl->id, ctrl->val);
- switch(c->id) {
+ switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- cpia2_set_brightness(cam, c->value);
+ cpia2_set_brightness(cam, ctrl->val);
break;
case V4L2_CID_CONTRAST:
- cpia2_set_contrast(cam, c->value);
+ cpia2_set_contrast(cam, ctrl->val);
break;
case V4L2_CID_SATURATION:
- cpia2_set_saturation(cam, c->value);
+ cpia2_set_saturation(cam, ctrl->val);
break;
case V4L2_CID_HFLIP:
- cpia2_set_property_mirror(cam, c->value);
+ cpia2_set_property_mirror(cam, ctrl->val);
break;
case V4L2_CID_VFLIP:
- cpia2_set_property_flip(cam, c->value);
+ cpia2_set_property_flip(cam, ctrl->val);
break;
- case CPIA2_CID_TARGET_KB:
- retval = cpia2_set_target_kb(cam, c->value);
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ return cpia2_set_flicker_mode(cam, flicker_table[ctrl->val]);
+ case V4L2_CID_ILLUMINATORS_1:
+ return cpia2_set_gpio(cam, (cam->top_light->val << 6) |
+ (cam->bottom_light->val << 7));
+ case V4L2_CID_JPEG_ACTIVE_MARKER:
+ cam->params.compression.inhibit_htables =
+ !(ctrl->val & V4L2_JPEG_ACTIVE_MARKER_DHT);
break;
- case CPIA2_CID_GPIO:
- retval = cpia2_set_gpio(cam, c->value);
- break;
- case CPIA2_CID_FLICKER_MODE:
- retval = cpia2_set_flicker_mode(cam,
- flicker_controls[c->value].value);
- break;
- case CPIA2_CID_FRAMERATE:
- retval = cpia2_set_fps(cam, framerate_controls[c->value].value);
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ cam->params.vc_params.quality = ctrl->val;
break;
case CPIA2_CID_USB_ALT:
- retval = cpia2_usb_change_streaming_alternate(cam, c->value);
- break;
- case CPIA2_CID_LIGHTS:
- retval = cpia2_set_gpio(cam, lights_controls[c->value].value);
- break;
- case CPIA2_CID_RESET_CAMERA:
- cpia2_usb_stream_pause(cam);
- cpia2_reset_camera(cam);
- cpia2_usb_stream_resume(cam);
+ cam->params.camera_state.stream_mode = ctrl->val;
break;
default:
- retval = -EINVAL;
+ return -EINVAL;
}
- return retval;
+ return 0;
}
/******************************************************************************
@@ -1084,6 +725,8 @@ static int cpia2_s_jpegcomp(struct file *file, void *fh, struct v4l2_jpegcompres
cam->params.compression.inhibit_htables =
!(parms->jpeg_markers & V4L2_JPEG_MARKER_DHT);
+ parms->jpeg_markers &= V4L2_JPEG_MARKER_DQT | V4L2_JPEG_MARKER_DRI |
+ V4L2_JPEG_MARKER_DHT;
if(parms->APP_len != 0) {
if(parms->APP_len > 0 &&
@@ -1270,12 +913,12 @@ static int cpia2_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
struct framebuf *cb=cam->curbuff;
mutex_unlock(&cam->v4l2_lock);
wait_event_interruptible(cam->wq_stream,
- !cam->present ||
+ !video_is_registered(&cam->vdev) ||
(cb=cam->curbuff)->status == FRAME_READY);
mutex_lock(&cam->v4l2_lock);
if (signal_pending(current))
return -ERESTARTSYS;
- if(!cam->present)
+ if (!video_is_registered(&cam->vdev))
return -ENOTTY;
frame = cb->num;
}
@@ -1299,56 +942,39 @@ static int cpia2_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
return 0;
}
-static int cpia2_g_priority(struct file *file, void *_fh, enum v4l2_priority *p)
-{
- struct cpia2_fh *fh = _fh;
-
- *p = fh->prio;
- return 0;
-}
-
-static int cpia2_s_priority(struct file *file, void *_fh, enum v4l2_priority prio)
-{
- struct camera_data *cam = video_drvdata(file);
- struct cpia2_fh *fh = _fh;
-
- if (cam->streaming && prio != fh->prio &&
- fh->prio == V4L2_PRIORITY_RECORD)
- /* Can't drop record priority while streaming */
- return -EBUSY;
-
- if (prio == V4L2_PRIORITY_RECORD && prio != fh->prio &&
- v4l2_prio_max(&cam->prio) == V4L2_PRIORITY_RECORD)
- /* Only one program can record at a time */
- return -EBUSY;
- return v4l2_prio_change(&cam->prio, &fh->prio, prio);
-}
-
static int cpia2_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
{
struct camera_data *cam = video_drvdata(file);
+ int ret = -EINVAL;
DBG("VIDIOC_STREAMON, streaming=%d\n", cam->streaming);
if (!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- if (!cam->streaming)
- return cpia2_usb_stream_start(cam,
+ if (!cam->streaming) {
+ ret = cpia2_usb_stream_start(cam,
cam->params.camera_state.stream_mode);
- return -EINVAL;
+ if (!ret)
+ v4l2_ctrl_grab(cam->usb_alt, true);
+ }
+ return ret;
}
static int cpia2_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
{
struct camera_data *cam = video_drvdata(file);
+ int ret = -EINVAL;
DBG("VIDIOC_STREAMOFF, streaming=%d\n", cam->streaming);
if (!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- if (cam->streaming)
- return cpia2_usb_stream_stop(cam);
- return -EINVAL;
+ if (cam->streaming) {
+ ret = cpia2_usb_stream_stop(cam);
+ if (!ret)
+ v4l2_ctrl_grab(cam->usb_alt, false);
+ }
+ return ret;
}
/******************************************************************************
@@ -1361,16 +987,10 @@ static int cpia2_mmap(struct file *file, struct vm_area_struct *area)
struct camera_data *cam = video_drvdata(file);
int retval;
- /* Priority check */
- struct cpia2_fh *fh = file->private_data;
- if(fh->prio != V4L2_PRIORITY_RECORD) {
- return -EBUSY;
- }
-
retval = cpia2_remap_buffer(cam, area);
if(!retval)
- fh->mmapped = 1;
+ cam->stream_fh = file->private_data;
return retval;
}
@@ -1388,15 +1008,13 @@ static void reset_camera_struct_v4l(struct camera_data *cam)
cam->frame_size = buffer_size;
cam->num_frames = num_buffers;
- /* FlickerModes */
+ /* Flicker modes */
cam->params.flicker_control.flicker_mode_req = flicker_mode;
- cam->params.flicker_control.mains_frequency = flicker_freq;
- /* streamMode */
+ /* stream modes */
cam->params.camera_state.stream_mode = alternate;
cam->pixelformat = V4L2_PIX_FMT_JPEG;
- v4l2_prio_init(&cam->prio);
}
static const struct v4l2_ioctl_ops cpia2_ioctl_ops = {
@@ -1408,10 +1026,6 @@ static const struct v4l2_ioctl_ops cpia2_ioctl_ops = {
.vidioc_g_fmt_vid_cap = cpia2_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = cpia2_s_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cpia2_try_fmt_vid_cap,
- .vidioc_queryctrl = cpia2_queryctrl,
- .vidioc_querymenu = cpia2_querymenu,
- .vidioc_g_ctrl = cpia2_g_ctrl,
- .vidioc_s_ctrl = cpia2_s_ctrl,
.vidioc_g_jpegcomp = cpia2_g_jpegcomp,
.vidioc_s_jpegcomp = cpia2_s_jpegcomp,
.vidioc_cropcap = cpia2_cropcap,
@@ -1421,9 +1035,12 @@ static const struct v4l2_ioctl_ops cpia2_ioctl_ops = {
.vidioc_dqbuf = cpia2_dqbuf,
.vidioc_streamon = cpia2_streamon,
.vidioc_streamoff = cpia2_streamoff,
- .vidioc_g_priority = cpia2_g_priority,
- .vidioc_s_priority = cpia2_s_priority,
- .vidioc_default = cpia2_default,
+ .vidioc_s_parm = cpia2_s_parm,
+ .vidioc_g_parm = cpia2_g_parm,
+ .vidioc_enum_framesizes = cpia2_enum_framesizes,
+ .vidioc_enum_frameintervals = cpia2_enum_frameintervals,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
/***
@@ -1444,7 +1061,21 @@ static struct video_device cpia2_template = {
.name = "CPiA2 Camera",
.fops = &cpia2_fops,
.ioctl_ops = &cpia2_ioctl_ops,
- .release = video_device_release,
+ .release = video_device_release_empty,
+};
+
+void cpia2_camera_release(struct v4l2_device *v4l2_dev)
+{
+ struct camera_data *cam =
+ container_of(v4l2_dev, struct camera_data, v4l2_dev);
+
+ v4l2_ctrl_handler_free(&cam->hdl);
+ v4l2_device_unregister(&cam->v4l2_dev);
+ kfree(cam);
+}
+
+static const struct v4l2_ctrl_ops cpia2_ctrl_ops = {
+ .s_ctrl = cpia2_s_ctrl,
};
/******************************************************************************
@@ -1454,20 +1085,78 @@ static struct video_device cpia2_template = {
*****************************************************************************/
int cpia2_register_camera(struct camera_data *cam)
{
- cam->vdev = video_device_alloc();
- if(!cam->vdev)
- return -ENOMEM;
+ struct v4l2_ctrl_handler *hdl = &cam->hdl;
+ struct v4l2_ctrl_config cpia2_usb_alt = {
+ .ops = &cpia2_ctrl_ops,
+ .id = CPIA2_CID_USB_ALT,
+ .name = "USB Alternate",
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .min = USBIF_ISO_1,
+ .max = USBIF_ISO_6,
+ .step = 1,
+ };
+ int ret;
+
+ v4l2_ctrl_handler_init(hdl, 12);
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_BRIGHTNESS,
+ cam->params.pnp_id.device_type == DEVICE_STV_672 ? 1 : 0,
+ 255, 1, DEFAULT_BRIGHTNESS);
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 255, 1, DEFAULT_CONTRAST);
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 255, 1, DEFAULT_SATURATION);
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_JPEG_ACTIVE_MARKER, 0,
+ V4L2_JPEG_ACTIVE_MARKER_DHT, 0,
+ V4L2_JPEG_ACTIVE_MARKER_DHT);
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY, 1,
+ 100, 1, 100);
+ cpia2_usb_alt.def = alternate;
+ cam->usb_alt = v4l2_ctrl_new_custom(hdl, &cpia2_usb_alt, NULL);
+ /* VP5 Only */
+ if (cam->params.pnp_id.device_type != DEVICE_STV_672)
+ v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ /* Flicker control only valid for 672 */
+ if (cam->params.pnp_id.device_type == DEVICE_STV_672)
+ v4l2_ctrl_new_std_menu(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0, 0);
+ /* Light control only valid for the QX5 Microscope */
+ if (cam->params.pnp_id.product == 0x151) {
+ cam->top_light = v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_ILLUMINATORS_1, 0, 1, 1, 0);
+ cam->bottom_light = v4l2_ctrl_new_std(hdl, &cpia2_ctrl_ops,
+ V4L2_CID_ILLUMINATORS_2, 0, 1, 1, 0);
+ v4l2_ctrl_cluster(2, &cam->top_light);
+ }
- memcpy(cam->vdev, &cpia2_template, sizeof(cpia2_template));
- video_set_drvdata(cam->vdev, cam);
- cam->vdev->lock = &cam->v4l2_lock;
+ if (hdl->error) {
+ ret = hdl->error;
+ v4l2_ctrl_handler_free(hdl);
+ return ret;
+ }
+
+ cam->vdev = cpia2_template;
+ video_set_drvdata(&cam->vdev, cam);
+ cam->vdev.lock = &cam->v4l2_lock;
+ cam->vdev.ctrl_handler = hdl;
+ cam->vdev.v4l2_dev = &cam->v4l2_dev;
+ set_bit(V4L2_FL_USE_FH_PRIO, &cam->vdev.flags);
+ /* Locking in file operations other than ioctl should be done
+ by the driver, not the V4L2 core.
+ This driver needs auditing so that this flag can be removed. */
+ set_bit(V4L2_FL_LOCK_ALL_FOPS, &cam->vdev.flags);
reset_camera_struct_v4l(cam);
/* register v4l device */
- if (video_register_device(cam->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
+ if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
ERR("video_register_device failed\n");
- video_device_release(cam->vdev);
return -ENODEV;
}
@@ -1481,13 +1170,7 @@ int cpia2_register_camera(struct camera_data *cam)
*****************************************************************************/
void cpia2_unregister_camera(struct camera_data *cam)
{
- if (!cam->open_count) {
- video_unregister_device(cam->vdev);
- } else {
- LOG("%s removed while open, deferring "
- "video_unregister_device\n",
- video_device_node_name(cam->vdev));
- }
+ video_unregister_device(&cam->vdev);
}
/******************************************************************************
@@ -1524,23 +1207,12 @@ static void __init check_parameters(void)
LOG("alternate specified is invalid, using %d\n", alternate);
}
- if (flicker_mode != NEVER_FLICKER && flicker_mode != ANTI_FLICKER_ON) {
- flicker_mode = NEVER_FLICKER;
+ if (flicker_mode != 0 && flicker_mode != FLICKER_50 && flicker_mode != FLICKER_60) {
+ flicker_mode = 0;
LOG("Flicker mode specified is invalid, using %d\n",
flicker_mode);
}
- if (flicker_freq != FLICKER_50 && flicker_freq != FLICKER_60) {
- flicker_freq = FLICKER_60;
- LOG("Flicker mode specified is invalid, using %d\n",
- flicker_freq);
- }
-
- if(video_nr < -1 || video_nr > 64) {
- video_nr = -1;
- LOG("invalid video_nr specified, must be -1 to 64\n");
- }
-
DBG("Using %d buffers, each %d bytes, alternate=%d\n",
num_buffers, buffer_size, alternate);
}
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