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path: root/drivers/media/video/pwc/pwc-ctrl.c
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Diffstat (limited to 'drivers/media/video/pwc/pwc-ctrl.c')
-rw-r--r--drivers/media/video/pwc/pwc-ctrl.c935
1 files changed, 134 insertions, 801 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
index 3977addf3ba..1f506fde97d 100644
--- a/drivers/media/video/pwc/pwc-ctrl.c
+++ b/drivers/media/video/pwc/pwc-ctrl.c
@@ -102,52 +102,18 @@ static struct Nala_table_entry Nala_table[PSZ_MAX][PWC_FPS_MAX_NALA] =
#include "pwc-nala.h"
};
-static void pwc_set_image_buffer_size(struct pwc_device *pdev);
-
/****************************************************************************/
-static int _send_control_msg(struct pwc_device *pdev,
- u8 request, u16 value, int index, void *buf, int buflen)
-{
- int rc;
- void *kbuf = NULL;
-
- if (buflen) {
- kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
- if (kbuf == NULL)
- return -ENOMEM;
- memcpy(kbuf, buf, buflen);
- }
-
- rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
- request,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- index,
- kbuf, buflen, USB_CTRL_SET_TIMEOUT);
-
- kfree(kbuf);
- return rc;
-}
-
static int recv_control_msg(struct pwc_device *pdev,
- u8 request, u16 value, void *buf, int buflen)
+ u8 request, u16 value, int recv_count)
{
int rc;
- void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
-
- if (kbuf == NULL)
- return -ENOMEM;
rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
request,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- pdev->vcinterface,
- kbuf, buflen, USB_CTRL_GET_TIMEOUT);
- memcpy(buf, kbuf, buflen);
- kfree(kbuf);
-
+ value, pdev->vcinterface,
+ pdev->ctrl_buf, recv_count, USB_CTRL_GET_TIMEOUT);
if (rc < 0)
PWC_ERROR("recv_control_msg error %d req %02x val %04x\n",
rc, request, value);
@@ -155,26 +121,39 @@ static int recv_control_msg(struct pwc_device *pdev,
}
static inline int send_video_command(struct pwc_device *pdev,
- int index, void *buf, int buflen)
+ int index, const unsigned char *buf, int buflen)
{
- return _send_control_msg(pdev,
- SET_EP_STREAM_CTL,
- VIDEO_OUTPUT_CONTROL_FORMATTER,
- index,
- buf, buflen);
+ int rc;
+
+ memcpy(pdev->ctrl_buf, buf, buflen);
+
+ rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
+ SET_EP_STREAM_CTL,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ VIDEO_OUTPUT_CONTROL_FORMATTER, index,
+ pdev->ctrl_buf, buflen, USB_CTRL_SET_TIMEOUT);
+ if (rc >= 0)
+ memcpy(pdev->cmd_buf, buf, buflen);
+ else
+ PWC_ERROR("send_video_command error %d\n", rc);
+
+ return rc;
}
int send_control_msg(struct pwc_device *pdev,
u8 request, u16 value, void *buf, int buflen)
{
- return _send_control_msg(pdev,
- request, value, pdev->vcinterface, buf, buflen);
+ return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
+ request,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, pdev->vcinterface,
+ buf, buflen, USB_CTRL_SET_TIMEOUT);
}
-static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
+static int set_video_mode_Nala(struct pwc_device *pdev, int size, int pixfmt,
+ int frames, int *compression, int send_to_cam)
{
- unsigned char buf[3];
- int ret, fps;
+ int fps, ret = 0;
struct Nala_table_entry *pEntry;
int frames2frames[31] =
{ /* closest match of framerate */
@@ -196,35 +175,34 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
7 /* 30 */
};
- if (size < 0 || size > PSZ_CIF || frames < 4 || frames > 25)
+ if (size < 0 || size > PSZ_CIF)
return -EINVAL;
+ if (frames < 4)
+ frames = 4;
+ else if (frames > 25)
+ frames = 25;
frames = frames2frames[frames];
fps = frames2table[frames];
pEntry = &Nala_table[size][fps];
if (pEntry->alternate == 0)
return -EINVAL;
- memcpy(buf, pEntry->mode, 3);
- ret = send_video_command(pdev, pdev->vendpoint, buf, 3);
- if (ret < 0) {
- PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret);
+ if (send_to_cam)
+ ret = send_video_command(pdev, pdev->vendpoint,
+ pEntry->mode, 3);
+ if (ret < 0)
return ret;
- }
- if (pEntry->compressed && pdev->pixfmt == V4L2_PIX_FMT_YUV420) {
- ret = pwc_dec1_init(pdev, pdev->type, pdev->release, buf);
- if (ret < 0)
- return ret;
- }
- pdev->cmd_len = 3;
- memcpy(pdev->cmd_buf, buf, 3);
+ if (pEntry->compressed && pixfmt == V4L2_PIX_FMT_YUV420)
+ pwc_dec1_init(pdev, pEntry->mode);
/* Set various parameters */
+ pdev->pixfmt = pixfmt;
pdev->vframes = frames;
- pdev->vsize = size;
pdev->valternate = pEntry->alternate;
- pdev->image = pwc_image_sizes[size];
- pdev->frame_size = (pdev->image.x * pdev->image.y * 3) / 2;
+ pdev->width = pwc_image_sizes[size][0];
+ pdev->height = pwc_image_sizes[size][1];
+ pdev->frame_size = (pdev->width * pdev->height * 3) / 2;
if (pEntry->compressed) {
if (pdev->release < 5) { /* 4 fold compression */
pdev->vbandlength = 528;
@@ -237,183 +215,142 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
}
else
pdev->vbandlength = 0;
+
+ /* Let pwc-if.c:isoc_init know we don't support higher compression */
+ *compression = 3;
+
return 0;
}
-static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, int compression, int snapshot)
+static int set_video_mode_Timon(struct pwc_device *pdev, int size, int pixfmt,
+ int frames, int *compression, int send_to_cam)
{
- unsigned char buf[13];
const struct Timon_table_entry *pChoose;
- int ret, fps;
+ int fps, ret = 0;
- if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3)
- return -EINVAL;
- if (size == PSZ_VGA && frames > 15)
+ if (size >= PSZ_MAX || *compression < 0 || *compression > 3)
return -EINVAL;
+ if (frames < 5)
+ frames = 5;
+ else if (size == PSZ_VGA && frames > 15)
+ frames = 15;
+ else if (frames > 30)
+ frames = 30;
fps = (frames / 5) - 1;
- /* Find a supported framerate with progressively higher compression ratios
- if the preferred ratio is not available.
- */
+ /* Find a supported framerate with progressively higher compression */
pChoose = NULL;
- while (compression <= 3) {
- pChoose = &Timon_table[size][fps][compression];
- if (pChoose->alternate != 0)
- break;
- compression++;
+ while (*compression <= 3) {
+ pChoose = &Timon_table[size][fps][*compression];
+ if (pChoose->alternate != 0)
+ break;
+ (*compression)++;
}
if (pChoose == NULL || pChoose->alternate == 0)
return -ENOENT; /* Not supported. */
- memcpy(buf, pChoose->mode, 13);
- if (snapshot)
- buf[0] |= 0x80;
- ret = send_video_command(pdev, pdev->vendpoint, buf, 13);
+ if (send_to_cam)
+ ret = send_video_command(pdev, pdev->vendpoint,
+ pChoose->mode, 13);
if (ret < 0)
return ret;
- if (pChoose->bandlength > 0 && pdev->pixfmt == V4L2_PIX_FMT_YUV420) {
- ret = pwc_dec23_init(pdev, pdev->type, buf);
- if (ret < 0)
- return ret;
- }
-
- pdev->cmd_len = 13;
- memcpy(pdev->cmd_buf, buf, 13);
+ if (pChoose->bandlength > 0 && pixfmt == V4L2_PIX_FMT_YUV420)
+ pwc_dec23_init(pdev, pChoose->mode);
/* Set various parameters */
- pdev->vframes = frames;
- pdev->vsize = size;
- pdev->vsnapshot = snapshot;
+ pdev->pixfmt = pixfmt;
+ pdev->vframes = (fps + 1) * 5;
pdev->valternate = pChoose->alternate;
- pdev->image = pwc_image_sizes[size];
+ pdev->width = pwc_image_sizes[size][0];
+ pdev->height = pwc_image_sizes[size][1];
pdev->vbandlength = pChoose->bandlength;
if (pChoose->bandlength > 0)
- pdev->frame_size = (pChoose->bandlength * pdev->image.y) / 4;
+ pdev->frame_size = (pChoose->bandlength * pdev->height) / 4;
else
- pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8;
+ pdev->frame_size = (pdev->width * pdev->height * 12) / 8;
return 0;
}
-static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, int compression, int snapshot)
+static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int pixfmt,
+ int frames, int *compression, int send_to_cam)
{
const struct Kiara_table_entry *pChoose = NULL;
- int fps, ret;
- unsigned char buf[12];
- struct Kiara_table_entry RawEntry = {6, 773, 1272, {0xAD, 0xF4, 0x10, 0x27, 0xB6, 0x24, 0x96, 0x02, 0x30, 0x05, 0x03, 0x80}};
+ int fps, ret = 0;
- if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3)
- return -EINVAL;
- if (size == PSZ_VGA && frames > 15)
+ if (size >= PSZ_MAX || *compression < 0 || *compression > 3)
return -EINVAL;
+ if (frames < 5)
+ frames = 5;
+ else if (size == PSZ_VGA && frames > 15)
+ frames = 15;
+ else if (frames > 30)
+ frames = 30;
fps = (frames / 5) - 1;
- /* special case: VGA @ 5 fps and snapshot is raw bayer mode */
- if (size == PSZ_VGA && frames == 5 && snapshot && pdev->pixfmt != V4L2_PIX_FMT_YUV420)
- {
- /* Only available in case the raw palette is selected or
- we have the decompressor available. This mode is
- only available in compressed form
- */
- PWC_DEBUG_SIZE("Choosing VGA/5 BAYER mode.\n");
- pChoose = &RawEntry;
- }
- else
- {
- /* Find a supported framerate with progressively higher compression ratios
- if the preferred ratio is not available.
- Skip this step when using RAW modes.
- */
- snapshot = 0;
- while (compression <= 3) {
- pChoose = &Kiara_table[size][fps][compression];
- if (pChoose->alternate != 0)
- break;
- compression++;
- }
+ /* Find a supported framerate with progressively higher compression */
+ while (*compression <= 3) {
+ pChoose = &Kiara_table[size][fps][*compression];
+ if (pChoose->alternate != 0)
+ break;
+ (*compression)++;
}
if (pChoose == NULL || pChoose->alternate == 0)
return -ENOENT; /* Not supported. */
- PWC_TRACE("Using alternate setting %d.\n", pChoose->alternate);
-
- /* usb_control_msg won't take staticly allocated arrays as argument?? */
- memcpy(buf, pChoose->mode, 12);
- if (snapshot)
- buf[0] |= 0x80;
-
/* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
- ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12);
+ if (send_to_cam)
+ ret = send_video_command(pdev, 4, pChoose->mode, 12);
if (ret < 0)
return ret;
- if (pChoose->bandlength > 0 && pdev->pixfmt == V4L2_PIX_FMT_YUV420) {
- ret = pwc_dec23_init(pdev, pdev->type, buf);
- if (ret < 0)
- return ret;
- }
+ if (pChoose->bandlength > 0 && pixfmt == V4L2_PIX_FMT_YUV420)
+ pwc_dec23_init(pdev, pChoose->mode);
- pdev->cmd_len = 12;
- memcpy(pdev->cmd_buf, buf, 12);
/* All set and go */
- pdev->vframes = frames;
- pdev->vsize = size;
- pdev->vsnapshot = snapshot;
+ pdev->pixfmt = pixfmt;
+ pdev->vframes = (fps + 1) * 5;
pdev->valternate = pChoose->alternate;
- pdev->image = pwc_image_sizes[size];
+ pdev->width = pwc_image_sizes[size][0];
+ pdev->height = pwc_image_sizes[size][1];
pdev->vbandlength = pChoose->bandlength;
if (pdev->vbandlength > 0)
- pdev->frame_size = (pdev->vbandlength * pdev->image.y) / 4;
+ pdev->frame_size = (pdev->vbandlength * pdev->height) / 4;
else
- pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8;
- PWC_TRACE("frame_size=%d, vframes=%d, vsize=%d, vsnapshot=%d, vbandlength=%d\n",
- pdev->frame_size,pdev->vframes,pdev->vsize,pdev->vsnapshot,pdev->vbandlength);
+ pdev->frame_size = (pdev->width * pdev->height * 12) / 8;
+ PWC_TRACE("frame_size=%d, vframes=%d, vsize=%d, vbandlength=%d\n",
+ pdev->frame_size, pdev->vframes, size, pdev->vbandlength);
return 0;
}
-
-
-/**
- @pdev: device structure
- @width: viewport width
- @height: viewport height
- @frame: framerate, in fps
- @compression: preferred compression ratio
- @snapshot: snapshot mode or streaming
- */
-int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot)
+int pwc_set_video_mode(struct pwc_device *pdev, int width, int height,
+ int pixfmt, int frames, int *compression, int send_to_cam)
{
int ret, size;
- PWC_DEBUG_FLOW("set_video_mode(%dx%d @ %d, pixfmt %08x).\n", width, height, frames, pdev->pixfmt);
- size = pwc_decode_size(pdev, width, height);
- if (size < 0) {
- PWC_DEBUG_MODULE("Could not find suitable size.\n");
- return -ERANGE;
- }
+ PWC_DEBUG_FLOW("set_video_mode(%dx%d @ %d, pixfmt %08x).\n",
+ width, height, frames, pixfmt);
+ size = pwc_get_size(pdev, width, height);
PWC_TRACE("decode_size = %d.\n", size);
if (DEVICE_USE_CODEC1(pdev->type)) {
- ret = set_video_mode_Nala(pdev, size, frames);
-
+ ret = set_video_mode_Nala(pdev, size, pixfmt, frames,
+ compression, send_to_cam);
} else if (DEVICE_USE_CODEC3(pdev->type)) {
- ret = set_video_mode_Kiara(pdev, size, frames, compression, snapshot);
-
+ ret = set_video_mode_Kiara(pdev, size, pixfmt, frames,
+ compression, send_to_cam);
} else {
- ret = set_video_mode_Timon(pdev, size, frames, compression, snapshot);
+ ret = set_video_mode_Timon(pdev, size, pixfmt, frames,
+ compression, send_to_cam);
}
if (ret < 0) {
PWC_ERROR("Failed to set video mode %s@%d fps; return code = %d\n", size2name[size], frames, ret);
return ret;
}
- pdev->view.x = width;
- pdev->view.y = height;
- pdev->vcompression = compression;
pdev->frame_total_size = pdev->frame_size + pdev->frame_header_size + pdev->frame_trailer_size;
- pwc_set_image_buffer_size(pdev);
- PWC_DEBUG_SIZE("Set viewport to %dx%d, image size is %dx%d.\n", width, height, pwc_image_sizes[size].x, pwc_image_sizes[size].y);
+ PWC_DEBUG_SIZE("Set resolution to %dx%d\n", pdev->width, pdev->height);
return 0;
}
@@ -470,44 +407,15 @@ unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned i
return ret;
}
-static void pwc_set_image_buffer_size(struct pwc_device *pdev)
-{
- int factor = 0;
-
- /* for V4L2_PIX_FMT_YUV420 */
- switch (pdev->pixfmt) {
- case V4L2_PIX_FMT_YUV420:
- factor = 6;
- break;
- case V4L2_PIX_FMT_PWC1:
- case V4L2_PIX_FMT_PWC2:
- factor = 6; /* can be uncompressed YUV420P */
- break;
- }
-
- /* Set sizes in bytes */
- pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
- pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
-
- /* Align offset, or you'll get some very weird results in
- YUV420 mode... x must be multiple of 4 (to get the Y's in
- place), and y even (or you'll mixup U & V). This is less of a
- problem for YUV420P.
- */
- pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
- pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
-}
-
int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
int ret;
- u8 buf;
- ret = recv_control_msg(pdev, request, value, &buf, sizeof(buf));
+ ret = recv_control_msg(pdev, request, value, 1);
if (ret < 0)
return ret;
- *data = buf;
+ *data = pdev->ctrl_buf[0];
return 0;
}
@@ -515,7 +423,8 @@ int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data)
{
int ret;
- ret = send_control_msg(pdev, request, value, &data, sizeof(data));
+ pdev->ctrl_buf[0] = data;
+ ret = send_control_msg(pdev, request, value, pdev->ctrl_buf, 1);
if (ret < 0)
return ret;
@@ -525,37 +434,34 @@ int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data)
int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
int ret;
- s8 buf;
- ret = recv_control_msg(pdev, request, value, &buf, sizeof(buf));
+ ret = recv_control_msg(pdev, request, value, 1);
if (ret < 0)
return ret;
- *data = buf;
+ *data = ((s8 *)pdev->ctrl_buf)[0];
return 0;
}
int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
int ret;
- u8 buf[2];
- ret = recv_control_msg(pdev, request, value, buf, sizeof(buf));
+ ret = recv_control_msg(pdev, request, value, 2);
if (ret < 0)
return ret;
- *data = (buf[1] << 8) | buf[0];
+ *data = (pdev->ctrl_buf[1] << 8) | pdev->ctrl_buf[0];
return 0;
}
int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data)
{
int ret;
- u8 buf[2];
- buf[0] = data & 0xff;
- buf[1] = data >> 8;
- ret = send_control_msg(pdev, request, value, buf, sizeof(buf));
+ pdev->ctrl_buf[0] = data & 0xff;
+ pdev->ctrl_buf[1] = data >> 8;
+ ret = send_control_msg(pdev, request, value, pdev->ctrl_buf, 2);
if (ret < 0)
return ret;
@@ -576,7 +482,6 @@ int pwc_button_ctrl(struct pwc_device *pdev, u16 value)
/* POWER */
void pwc_camera_power(struct pwc_device *pdev, int power)
{
- char buf;
int r;
if (!pdev->power_save)
@@ -586,69 +491,18 @@ void pwc_camera_power(struct pwc_device *pdev, int power)
return; /* Not supported by Nala or Timon < release 6 */
if (power)
- buf = 0x00; /* active */
+ pdev->ctrl_buf[0] = 0x00; /* active */
else
- buf = 0xFF; /* power save */
- r = send_control_msg(pdev,
- SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER,
- &buf, sizeof(buf));
-
+ pdev->ctrl_buf[0] = 0xFF; /* power save */
+ r = send_control_msg(pdev, SET_STATUS_CTL,
+ SET_POWER_SAVE_MODE_FORMATTER, pdev->ctrl_buf, 1);
if (r < 0)
PWC_ERROR("Failed to power %s camera (%d)\n",
power ? "on" : "off", r);
}
-static int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
-{
- unsigned char buf;
-
- /* useful range is 0x01..0x20 */
- buf = speed / 0x7f0;
- return send_control_msg(pdev,
- SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
-}
-
-static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
-{
- unsigned char buf;
- int ret;
-
- ret = recv_control_msg(pdev,
- GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
- if (ret < 0)
- return ret;
- *value = buf * 0x7f0;
- return 0;
-}
-
-
-static int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
-{
- unsigned char buf;
-
- /* useful range is 0x01..0x3F */
- buf = (delay >> 10);
- return send_control_msg(pdev,
- SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
-}
-
-static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
-{
- unsigned char buf;
- int ret;
-
- ret = recv_control_msg(pdev,
- GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
- if (ret < 0)
- return ret;
- *value = buf << 10;
- return 0;
-}
-
-
int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
{
- unsigned char buf[2];
int r;
if (pdev->type < 730)
@@ -664,123 +518,20 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
if (off_value > 0xff)
off_value = 0xff;
- buf[0] = on_value;
- buf[1] = off_value;
+ pdev->ctrl_buf[0] = on_value;
+ pdev->ctrl_buf[1] = off_value;
r = send_control_msg(pdev,
- SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
+ SET_STATUS_CTL, LED_FORMATTER, pdev->ctrl_buf, 2);
if (r < 0)
PWC_ERROR("Failed to set LED on/off time (%d)\n", r);
return r;
}
-static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
-{
- unsigned char buf[2];
- int ret;
-
- if (pdev->type < 730) {
- *on_value = -1;
- *off_value = -1;
- return 0;
- }
-
- ret = recv_control_msg(pdev,
- GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
- if (ret < 0)
- return ret;
- *on_value = buf[0] * 100;
- *off_value = buf[1] * 100;
- return 0;
-}
-
-static int _pwc_mpt_reset(struct pwc_device *pdev, int flags)
-{
- unsigned char buf;
-
- buf = flags & 0x03; // only lower two bits are currently used
- return send_control_msg(pdev,
- SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf));
-}
-
-int pwc_mpt_reset(struct pwc_device *pdev, int flags)
-{
- int ret;
- ret = _pwc_mpt_reset(pdev, flags);
- if (ret >= 0) {
- pdev->pan_angle = 0;
- pdev->tilt_angle = 0;
- }
- return ret;
-}
-
-static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
-{
- unsigned char buf[4];
-
- /* set new relative angle; angles are expressed in degrees * 100,
- but cam as .5 degree resolution, hence divide by 200. Also
- the angle must be multiplied by 64 before it's send to
- the cam (??)
- */
- pan = 64 * pan / 100;
- tilt = -64 * tilt / 100; /* positive tilt is down, which is not what the user would expect */
- buf[0] = pan & 0xFF;
- buf[1] = (pan >> 8) & 0xFF;
- buf[2] = tilt & 0xFF;
- buf[3] = (tilt >> 8) & 0xFF;
- return send_control_msg(pdev,
- SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf));
-}
-
-int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
-{
- int ret;
-
- /* check absolute ranges */
- if (pan < pdev->angle_range.pan_min ||
- pan > pdev->angle_range.pan_max ||
- tilt < pdev->angle_range.tilt_min ||
- tilt > pdev->angle_range.tilt_max)
- return -ERANGE;
-
- /* go to relative range, check again */
- pan -= pdev->pan_angle;
- tilt -= pdev->tilt_angle;
- /* angles are specified in degrees * 100, thus the limit = 36000 */
- if (pan < -36000 || pan > 36000 || tilt < -36000 || tilt > 36000)
- return -ERANGE;
-
- ret = _pwc_mpt_set_angle(pdev, pan, tilt);
- if (ret >= 0) {
- pdev->pan_angle += pan;
- pdev->tilt_angle += tilt;
- }
- if (ret == -EPIPE) /* stall -> out of range */
- ret = -ERANGE;
- return ret;
-}
-
-static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *status)
-{
- int ret;
- unsigned char buf[5];
-
- ret = recv_control_msg(pdev,
- GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf));
- if (ret < 0)
- return ret;
- status->status = buf[0] & 0x7; // 3 bits are used for reporting
- status->time_pan = (buf[1] << 8) + buf[2];
- status->time_tilt = (buf[3] << 8) + buf[4];
- return 0;
-}
-
#ifdef CONFIG_USB_PWC_DEBUG
int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
{
- unsigned char buf;
int ret = -1, request;
if (pdev->type < 675)
@@ -790,431 +541,13 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
else
request = SENSOR_TYPE_FORMATTER2;
- ret = recv_control_msg(pdev,
- GET_STATUS_CTL, request, &buf, sizeof(buf));
+ ret = recv_control_msg(pdev, GET_STATUS_CTL, request, 1);
if (ret < 0)
return ret;
if (pdev->type < 675)
- *sensor = buf | 0x100;
+ *sensor = pdev->ctrl_buf[0] | 0x100;
else
- *sensor = buf;
+ *sensor = pdev->ctrl_buf[0];
return 0;
}
#endif
-
- /* End of Add-Ons */
- /* ************************************************* */
-
-/* Linux 2.5.something and 2.6 pass direct pointers to arguments of
- ioctl() calls. With 2.4, you have to do tedious copy_from_user()
- and copy_to_user() calls. With these macros we circumvent this,
- and let me maintain only one source file. The functionality is
- exactly the same otherwise.
- */
-
-/* define local variable for arg */
-#define ARG_DEF(ARG_type, ARG_name)\
- ARG_type *ARG_name = arg;
-/* copy arg to local variable */
-#define ARG_IN(ARG_name) /* nothing */
-/* argument itself (referenced) */
-#define ARGR(ARG_name) (*ARG_name)
-/* argument address */
-#define ARGA(ARG_name) ARG_name
-/* copy local variable to arg */
-#define ARG_OUT(ARG_name) /* nothing */
-
-/*
- * Our ctrls use native values, but the old custom pwc ioctl interface expects
- * values from 0 - 65535, define 2 helper functions to scale things. */
-static int pwc_ioctl_g_ctrl(struct v4l2_ctrl *ctrl)
-{
- return v4l2_ctrl_g_ctrl(ctrl) * 65535 / ctrl->maximum;
-}
-
-static int pwc_ioctl_s_ctrl(struct v4l2_ctrl *ctrl, int val)
-{
- return v4l2_ctrl_s_ctrl(ctrl, val * ctrl->maximum / 65535);
-}
-
-long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
-{
- long ret = 0;
-
- switch(cmd) {
- case VIDIOCPWCRUSER:
- ret = pwc_button_ctrl(pdev, RESTORE_USER_DEFAULTS_FORMATTER);
- break;
-
- case VIDIOCPWCSUSER:
- ret = pwc_button_ctrl(pdev, SAVE_USER_DEFAULTS_FORMATTER);
- break;
-
- case VIDIOCPWCFACTORY:
- ret = pwc_button_ctrl(pdev, RESTORE_FACTORY_DEFAULTS_FORMATTER);
- break;
-
- case VIDIOCPWCSCQUAL:
- {
- ARG_DEF(int, qual)
-
- if (vb2_is_streaming(&pdev->vb_queue)) {
- ret = -EBUSY;
- break;
- }
-
- ARG_IN(qual)
- if (ARGR(qual) < 0 || ARGR(qual) > 3)
- ret = -EINVAL;
- else
- ret = pwc_set_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot);
- break;
- }
-
- case VIDIOCPWCGCQUAL:
- {
- ARG_DEF(int, qual)
-
- ARGR(qual) = pdev->vcompression;
- ARG_OUT(qual)
- break;
- }
-
- case VIDIOCPWCPROBE:
- {
- ARG_DEF(struct pwc_probe, probe)
-
- strcpy(ARGR(probe).name, pdev->vdev.name);
- ARGR(probe).type = pdev->type;
- ARG_OUT(probe)
- break;
- }
-
- case VIDIOCPWCGSERIAL:
- {
- ARG_DEF(struct pwc_serial, serial)
-
- strcpy(ARGR(serial).serial, pdev->serial);
- ARG_OUT(serial)
- break;
- }
-
- case VIDIOCPWCSAGC:
- {
- ARG_DEF(int, agc)
- ARG_IN(agc)
- ret = v4l2_ctrl_s_ctrl(pdev->autogain, ARGR(agc) < 0);
- if (ret == 0 && ARGR(agc) >= 0)
- ret = pwc_ioctl_s_ctrl(pdev->gain, ARGR(agc));
- break;
- }
-
- case VIDIOCPWCGAGC:
- {
- ARG_DEF(int, agc)
- if (v4l2_ctrl_g_ctrl(pdev->autogain))
- ARGR(agc) = -1;
- else
- ARGR(agc) = pwc_ioctl_g_ctrl(pdev->gain);
- ARG_OUT(agc)
- break;
- }
-
- case VIDIOCPWCSSHUTTER:
- {
- ARG_DEF(int, shutter)
- ARG_IN(shutter)
- ret = v4l2_ctrl_s_ctrl(pdev->exposure_auto,
- /* Menu idx 0 = auto, idx 1 = manual */
- ARGR(shutter) >= 0);
- if (ret == 0 && ARGR(shutter) >= 0)
- ret = pwc_ioctl_s_ctrl(pdev->exposure, ARGR(shutter));
- break;
- }
-
- case VIDIOCPWCSAWB:
- {
- ARG_DEF(struct pwc_whitebalance, wb)
- ARG_IN(wb)
- ret = v4l2_ctrl_s_ctrl(pdev->auto_white_balance,
- ARGR(wb).mode);
- if (ret == 0 && ARGR(wb).mode == PWC_WB_MANUAL)
- ret = pwc_ioctl_s_ctrl(pdev->red_balance,
- ARGR(wb).manual_red);
- if (ret == 0 && ARGR(wb).mode == PWC_WB_MANUAL)
- ret = pwc_ioctl_s_ctrl(pdev->blue_balance,
- ARGR(wb).manual_blue);
- break;
- }
-
- case VIDIOCPWCGAWB:
- {
- ARG_DEF(struct pwc_whitebalance, wb)
- ARGR(wb).mode = v4l2_ctrl_g_ctrl(pdev->auto_white_balance);
- ARGR(wb).manual_red = ARGR(wb).read_red =
- pwc_ioctl_g_ctrl(pdev->red_balance);
- ARGR(wb).manual_blue = ARGR(wb).read_blue =
- pwc_ioctl_g_ctrl(pdev->blue_balance);
- ARG_OUT(wb)
- break;
- }
-
- case VIDIOCPWCSAWBSPEED:
- {
- ARG_DEF(struct pwc_wb_speed, wbs)
-
- if (ARGR(wbs).control_speed > 0) {
- ret = pwc_set_wb_speed(pdev, ARGR(wbs).control_speed);
- }
- if (ARGR(wbs).control_delay > 0) {
- ret = pwc_set_wb_delay(pdev, ARGR(wbs).control_delay);
- }
- break;
- }
-
- case VIDIOCPWCGAWBSPEED:
- {
- ARG_DEF(struct pwc_wb_speed, wbs)
-
- ret = pwc_get_wb_speed(pdev, &ARGR(wbs).control_speed);
- if (ret < 0)
- break;
- ret = pwc_get_wb_delay(pdev, &ARGR(wbs).control_delay);
- if (ret < 0)
- break;
- ARG_OUT(wbs)
- break;
- }
-
- case VIDIOCPWCSLED:
- {
- ARG_DEF(struct pwc_leds, leds)
-
- ARG_IN(leds)
- ret = pwc_set_leds(pdev, ARGR(leds).led_on, ARGR(leds).led_off);
- break;
- }
-
-
- case VIDIOCPWCGLED:
- {
- ARG_DEF(struct pwc_leds, leds)
-
- ret = pwc_get_leds(pdev, &ARGR(leds).led_on, &ARGR(leds).led_off);
- ARG_OUT(leds)
- break;
- }
-
- case VIDIOCPWCSCONTOUR:
- {
- ARG_DEF(int, contour)
- ARG_IN(contour)
- ret = v4l2_ctrl_s_ctrl(pdev->autocontour, ARGR(contour) < 0);
- if (ret == 0 && ARGR(contour) >= 0)
- ret = pwc_ioctl_s_ctrl(pdev->contour, ARGR(contour));
- break;
- }
-
- case VIDIOCPWCGCONTOUR:
- {
- ARG_DEF(int, contour)
- if (v4l2_ctrl_g_ctrl(pdev->autocontour))
- ARGR(contour) = -1;
- else
- ARGR(contour) = pwc_ioctl_g_ctrl(pdev->contour);
- ARG_OUT(contour)
- break;
- }
-
- case VIDIOCPWCSBACKLIGHT:
- {
- ARG_DEF(int, backlight)
- ARG_IN(backlight)
- ret = v4l2_ctrl_s_ctrl(pdev->backlight, ARGR(backlight));
- break;
- }
-
- case VIDIOCPWCGBACKLIGHT:
- {
- ARG_DEF(int, backlight)
- ARGR(backlight) = v4l2_ctrl_g_ctrl(pdev->backlight);
- ARG_OUT(backlight)
- break;
- }
-
- case VIDIOCPWCSFLICKER:
- {
- ARG_DEF(int, flicker)
- ARG_IN(flicker)
- ret = v4l2_ctrl_s_ctrl(pdev->flicker, ARGR(flicker));
- break;
- }
-
- case VIDIOCPWCGFLICKER:
- {
- ARG_DEF(int, flicker)
- ARGR(flicker) = v4l2_ctrl_g_ctrl(pdev->flicker);
- ARG_OUT(flicker)
- break;
- }
-
- case VIDIOCPWCSDYNNOISE:
- {
- ARG_DEF(int, dynnoise)
- ARG_IN(dynnoise)
- ret = v4l2_ctrl_s_ctrl(pdev->noise_reduction, ARGR(dynnoise));
- break;
- }
-
- case VIDIOCPWCGDYNNOISE:
- {
- ARG_DEF(int, dynnoise)
- ARGR(dynnoise) = v4l2_ctrl_g_ctrl(pdev->noise_reduction);
- ARG_OUT(dynnoise);
- break;
- }
-
- case VIDIOCPWCGREALSIZE:
- {
- ARG_DEF(struct pwc_imagesize, size)
-
- ARGR(size).width = pdev->image.x;
- ARGR(size).height = pdev->image.y;
- ARG_OUT(size)
- break;
- }
-
- case VIDIOCPWCMPTRESET:
- {
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- ARG_DEF(int, flags)
-
- ARG_IN(flags)
- ret = pwc_mpt_reset(pdev, ARGR(flags));
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTGRANGE:
- {
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- ARG_DEF(struct pwc_mpt_range, range)
-
- ARGR(range) = pdev->angle_range;
- ARG_OUT(range)
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTSANGLE:
- {
- int new_pan, new_tilt;
-
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- ARG_DEF(struct pwc_mpt_angles, angles)
-
- ARG_IN(angles)
- /* The camera can only set relative angles, so
- do some calculations when getting an absolute angle .
- */
- if (ARGR(angles).absolute)
- {
- new_pan = ARGR(angles).pan;
- new_tilt = ARGR(angles).tilt;
- }
- else
- {
- new_pan = pdev->pan_angle + ARGR(angles).pan;
- new_tilt = pdev->tilt_angle + ARGR(angles).tilt;
- }
- ret = pwc_mpt_set_angle(pdev, new_pan, new_tilt);
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTGANGLE:
- {
-
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- ARG_DEF(struct pwc_mpt_angles, angles)
-
- ARGR(angles).absolute = 1;
- ARGR(angles).pan = pdev->pan_angle;
- ARGR(angles).tilt = pdev->tilt_angle;
- ARG_OUT(angles)
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTSTATUS:
- {
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- ARG_DEF(struct pwc_mpt_status, status)
-
- ret = pwc_mpt_get_status(pdev, ARGA(status));
- ARG_OUT(status)
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCGVIDCMD:
- {
- ARG_DEF(struct pwc_video_command, vcmd);
-
- ARGR(vcmd).type = pdev->type;
- ARGR(vcmd).release = pdev->release;
- ARGR(vcmd).command_len = pdev->cmd_len;
- memcpy(&ARGR(vcmd).command_buf, pdev->cmd_buf, pdev->cmd_len);
- ARGR(vcmd).bandlength = pdev->vbandlength;
- ARGR(vcmd).frame_size = pdev->frame_size;
- ARG_OUT(vcmd)
- break;
- }
- /*
- case VIDIOCPWCGVIDTABLE:
- {
- ARG_DEF(struct pwc_table_init_buffer, table);
- ARGR(table).len = pdev->cmd_len;
- memcpy(&ARGR(table).buffer, pdev->decompress_data, pdev->decompressor->table_size);
- ARG_OUT(table)
- break;
- }
- */
-
- default:
- ret = -ENOIOCTLCMD;
- break;
- }
-
- if (ret > 0)
- return 0;
- return ret;
-}
-
-
-/* vim: set cinoptions= formatoptions=croql cindent shiftwidth=8 tabstop=8: */