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path: root/drivers/media/video/gspca/sunplus.c
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Diffstat (limited to 'drivers/media/video/gspca/sunplus.c')
-rw-r--r--drivers/media/video/gspca/sunplus.c147
1 files changed, 78 insertions, 69 deletions
diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c
index bddf73360c25..1cfcc6c49558 100644
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -449,31 +449,47 @@ static const __u8 qtable_spca504_default[2][64] = {
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e}
};
-static void reg_r(struct usb_device *dev,
- __u16 req,
- __u16 index,
- __u8 *buffer, __u16 length)
+/* read <len> bytes to gspca_dev->usb_buf */
+static void reg_r(struct gspca_dev *gspca_dev,
+ __u16 req,
+ __u16 index,
+ __u16 len)
{
- usb_control_msg(dev,
- usb_rcvctrlpipe(dev, 0),
+#ifdef GSPCA_DEBUG
+ if (len > USB_BUF_SZ) {
+ err("reg_r: buffer overflow");
+ return;
+ }
+#endif
+ usb_control_msg(gspca_dev->dev,
+ usb_rcvctrlpipe(gspca_dev->dev, 0),
req,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, /* value */
- index, buffer, length,
+ index,
+ len ? gspca_dev->usb_buf : NULL, len,
500);
}
-static void reg_w(struct usb_device *dev,
- __u16 req,
- __u16 value,
- __u16 index,
- __u8 *buffer, __u16 length)
+/* write <len> bytes from gspca_dev->usb_buf */
+static void reg_w(struct gspca_dev *gspca_dev,
+ __u16 req,
+ __u16 value,
+ __u16 index,
+ __u16 len)
{
- usb_control_msg(dev,
- usb_sndctrlpipe(dev, 0),
+#ifdef GSPCA_DEBUG
+ if (len > USB_BUF_SZ) {
+ err("reg_w: buffer overflow");
+ return;
+ }
+#endif
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
req,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, index, buffer, length,
+ value, index,
+ len ? gspca_dev->usb_buf : NULL, len,
500);
}
@@ -634,7 +650,7 @@ static int spca504B_PollingDataReady(struct gspca_dev *gspca_dev)
int count = 10;
while (--count > 0) {
- reg_r(gspca_dev->dev, 0x21, 0, gspca_dev->usb_buf, 1);
+ reg_r(gspca_dev, 0x21, 0, 1);
if ((gspca_dev->usb_buf[0] & 0x01) == 0)
break;
msleep(10);
@@ -644,15 +660,14 @@ static int spca504B_PollingDataReady(struct gspca_dev *gspca_dev)
static void spca504B_WaitCmdStatus(struct gspca_dev *gspca_dev)
{
- struct usb_device *dev = gspca_dev->dev;
int count = 50;
while (--count > 0) {
- reg_r(dev, 0x21, 1, gspca_dev->usb_buf, 1);
+ reg_r(gspca_dev, 0x21, 1, 1);
if (gspca_dev->usb_buf[0] != 0) {
gspca_dev->usb_buf[0] = 0;
- reg_w(dev, 0x21, 0, 1, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x21, 1, gspca_dev->usb_buf, 1);
+ reg_w(gspca_dev, 0x21, 0, 1, 1);
+ reg_r(gspca_dev, 0x21, 1, 1);
spca504B_PollingDataReady(gspca_dev);
break;
}
@@ -662,16 +677,14 @@ static void spca504B_WaitCmdStatus(struct gspca_dev *gspca_dev)
static void spca50x_GetFirmware(struct gspca_dev *gspca_dev)
{
- struct usb_device *dev = gspca_dev->dev;
__u8 *data;
- data = kmalloc(64, GFP_KERNEL);
- reg_r(dev, 0x20, 0, data, 5);
+ data = gspca_dev->usb_buf;
+ reg_r(gspca_dev, 0x20, 0, 5);
PDEBUG(D_STREAM, "FirmWare : %d %d %d %d %d ",
data[0], data[1], data[2], data[3], data[4]);
- reg_r(dev, 0x23, 0, data, 64);
- reg_r(dev, 0x23, 1, data, 64);
- kfree(data);
+ reg_r(gspca_dev, 0x23, 0, 64);
+ reg_r(gspca_dev, 0x23, 1, 64);
}
static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
@@ -686,21 +699,21 @@ static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
Type = 0;
switch (sd->bridge) {
case BRIDGE_SPCA533:
- reg_w(dev, 0x31, 0, 0, NULL, 0);
+ reg_w(gspca_dev, 0x31, 0, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
rc = spca504B_PollingDataReady(gspca_dev);
spca50x_GetFirmware(gspca_dev);
gspca_dev->usb_buf[0] = 2; /* type */
- reg_w(dev, 0x24, 0, 8, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x24, 8, gspca_dev->usb_buf, 1);
+ reg_w(gspca_dev, 0x24, 0, 8, 1);
+ reg_r(gspca_dev, 0x24, 8, 1);
gspca_dev->usb_buf[0] = Size;
- reg_w(dev, 0x25, 0, 4, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x25, 4, gspca_dev->usb_buf, 1); /* size */
+ reg_w(gspca_dev, 0x25, 0, 4, 1);
+ reg_r(gspca_dev, 0x25, 4, 1); /* size */
rc = spca504B_PollingDataReady(gspca_dev);
/* Init the cam width height with some values get on init ? */
- reg_w(dev, 0x31, 0, 4, NULL, 0);
+ reg_w(gspca_dev, 0x31, 0, 4, 0);
spca504B_WaitCmdStatus(gspca_dev);
rc = spca504B_PollingDataReady(gspca_dev);
break;
@@ -708,12 +721,12 @@ static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
/* case BRIDGE_SPCA504B: */
/* case BRIDGE_SPCA536: */
gspca_dev->usb_buf[0] = Size;
- reg_w(dev, 0x25, 0, 4, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x25, 4, gspca_dev->usb_buf, 1); /* size */
+ reg_w(gspca_dev, 0x25, 0, 4, 1);
+ reg_r(gspca_dev, 0x25, 4, 1); /* size */
Type = 6;
gspca_dev->usb_buf[0] = Type;
- reg_w(dev, 0x27, 0, 0, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x27, 0, gspca_dev->usb_buf, 1); /* type */
+ reg_w(gspca_dev, 0x27, 0, 0, 1);
+ reg_r(gspca_dev, 0x27, 0, 1); /* type */
rc = spca504B_PollingDataReady(gspca_dev);
break;
case BRIDGE_SPCA504:
@@ -752,18 +765,15 @@ static void spca504_wait_status(struct gspca_dev *gspca_dev)
static void spca504B_setQtable(struct gspca_dev *gspca_dev)
{
- struct usb_device *dev = gspca_dev->dev;
-
gspca_dev->usb_buf[0] = 3;
- reg_w(dev, 0x26, 0, 0, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x26, 0, gspca_dev->usb_buf, 1);
+ reg_w(gspca_dev, 0x26, 0, 0, 1);
+ reg_r(gspca_dev, 0x26, 0, 1);
spca504B_PollingDataReady(gspca_dev);
}
static void sp5xx_initContBrigHueRegisters(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- struct usb_device *dev = gspca_dev->dev;
int pollreg = 1;
switch (sd->bridge) {
@@ -774,20 +784,20 @@ static void sp5xx_initContBrigHueRegisters(struct gspca_dev *gspca_dev)
default:
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA504B: */
- reg_w(dev, 0, 0, 0x21a7, NULL, 0); /* brightness */
- reg_w(dev, 0, 0x20, 0x21a8, NULL, 0); /* contrast */
- reg_w(dev, 0, 0, 0x21ad, NULL, 0); /* hue */
- reg_w(dev, 0, 1, 0x21ac, NULL, 0); /* sat/hue */
- reg_w(dev, 0, 0x20, 0x21ae, NULL, 0); /* saturation */
- reg_w(dev, 0, 0, 0x21a3, NULL, 0); /* gamma */
+ reg_w(gspca_dev, 0, 0, 0x21a7, 0); /* brightness */
+ reg_w(gspca_dev, 0, 0x20, 0x21a8, 0); /* contrast */
+ reg_w(gspca_dev, 0, 0, 0x21ad, 0); /* hue */
+ reg_w(gspca_dev, 0, 1, 0x21ac, 0); /* sat/hue */
+ reg_w(gspca_dev, 0, 0x20, 0x21ae, 0); /* saturation */
+ reg_w(gspca_dev, 0, 0, 0x21a3, 0); /* gamma */
break;
case BRIDGE_SPCA536:
- reg_w(dev, 0, 0, 0x20f0, NULL, 0);
- reg_w(dev, 0, 0x21, 0x20f1, NULL, 0);
- reg_w(dev, 0, 0x40, 0x20f5, NULL, 0);
- reg_w(dev, 0, 1, 0x20f4, NULL, 0);
- reg_w(dev, 0, 0x40, 0x20f6, NULL, 0);
- reg_w(dev, 0, 0, 0x2089, NULL, 0);
+ reg_w(gspca_dev, 0, 0, 0x20f0, 0);
+ reg_w(gspca_dev, 0, 0x21, 0x20f1, 0);
+ reg_w(gspca_dev, 0, 0x40, 0x20f5, 0);
+ reg_w(gspca_dev, 0, 1, 0x20f4, 0);
+ reg_w(gspca_dev, 0, 0x40, 0x20f6, 0);
+ reg_w(gspca_dev, 0, 0, 0x2089, 0);
break;
}
if (pollreg)
@@ -799,7 +809,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
{
struct sd *sd = (struct sd *) gspca_dev;
- struct usb_device *dev = gspca_dev->dev;
struct cam *cam;
cam = &gspca_dev->cam;
@@ -811,7 +820,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
if (sd->subtype == AiptekMiniPenCam13) {
/* try to get the firmware as some cam answer 2.0.1.2.2
* and should be a spca504b then overwrite that setting */
- reg_r(dev, 0x20, 0, gspca_dev->usb_buf, 1);
+ reg_r(gspca_dev, 0x20, 0, 1);
switch (gspca_dev->usb_buf[0]) {
case 1:
break; /* (right bridge/subtype) */
@@ -860,12 +869,12 @@ static int sd_init(struct gspca_dev *gspca_dev)
switch (sd->bridge) {
case BRIDGE_SPCA504B:
- reg_w(dev, 0x1d, 0, 0, NULL, 0);
- reg_w(dev, 0, 1, 0x2306, NULL, 0);
- reg_w(dev, 0, 0, 0x0d04, NULL, 0);
- reg_w(dev, 0, 0, 0x2000, NULL, 0);
- reg_w(dev, 0, 0x13, 0x2301, NULL, 0);
- reg_w(dev, 0, 0, 0x2306, NULL, 0);
+ reg_w(gspca_dev, 0x1d, 0, 0, 0);
+ reg_w(gspca_dev, 0, 1, 0x2306, 0);
+ reg_w(gspca_dev, 0, 0, 0x0d04, 0);
+ reg_w(gspca_dev, 0, 0, 0x2000, 0);
+ reg_w(gspca_dev, 0, 0x13, 0x2301, 0);
+ reg_w(gspca_dev, 0, 0, 0x2306, 0);
/* fall thru */
case BRIDGE_SPCA533:
rc = spca504B_PollingDataReady(gspca_dev);
@@ -873,12 +882,12 @@ static int sd_init(struct gspca_dev *gspca_dev)
break;
case BRIDGE_SPCA536:
spca50x_GetFirmware(gspca_dev);
- reg_r(dev, 0x00, 0x5002, gspca_dev->usb_buf, 1);
+ reg_r(gspca_dev, 0x00, 0x5002, 1);
gspca_dev->usb_buf[0] = 0;
- reg_w(dev, 0x24, 0, 0, gspca_dev->usb_buf, 1);
- reg_r(dev, 0x24, 0, gspca_dev->usb_buf, 1);
+ reg_w(gspca_dev, 0x24, 0, 0, 1);
+ reg_r(gspca_dev, 0x24, 0, 1);
rc = spca504B_PollingDataReady(gspca_dev);
- reg_w(dev, 0x34, 0, 0, NULL, 0);
+ reg_w(gspca_dev, 0x34, 0, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
break;
case BRIDGE_SPCA504C: /* pccam600 */
@@ -971,12 +980,12 @@ static void sd_start(struct gspca_dev *gspca_dev)
/* case BRIDGE_SPCA536: */
if (sd->subtype == MegapixV4 ||
sd->subtype == LogitechClickSmart820) {
- reg_w(dev, 0xf0, 0, 0, NULL, 0);
+ reg_w(gspca_dev, 0xf0, 0, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
- reg_r(dev, 0xf0, 4, NULL, 0);
+ reg_r(gspca_dev, 0xf0, 4, 0);
spca504B_WaitCmdStatus(gspca_dev);
} else {
- reg_w(dev, 0x31, 0, 4, NULL, 0);
+ reg_w(gspca_dev, 0x31, 0, 4, 0);
spca504B_WaitCmdStatus(gspca_dev);
rc = spca504B_PollingDataReady(gspca_dev);
}
@@ -1045,7 +1054,7 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA536: */
/* case BRIDGE_SPCA504B: */
- reg_w(dev, 0x31, 0, 0, NULL, 0);
+ reg_w(gspca_dev, 0x31, 0, 0, 0);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 18:14:23 +0300