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authorHans Verkuil <hverkuil@xs4all.nl>2010-12-29 13:53:21 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-30 08:02:09 -0200
commit6d6a48e51fd3bcb40c5b88d0f9690ba960eedfd2 (patch)
tree6b82f8fd701489c898e9e50dd15336a59157cba6 /drivers/media/video
parent52cb0bf275debe4ec8950157f11b9d9f14447a88 (diff)
[media] usbvision: coding style
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/usbvision/usbvision-cards.c132
-rw-r--r--drivers/media/video/usbvision/usbvision-core.c695
-rw-r--r--drivers/media/video/usbvision/usbvision-i2c.c41
-rw-r--r--drivers/media/video/usbvision/usbvision-video.c328
-rw-r--r--drivers/media/video/usbvision/usbvision.h47
5 files changed, 557 insertions, 686 deletions
diff --git a/drivers/media/video/usbvision/usbvision-cards.c b/drivers/media/video/usbvision/usbvision-cards.c
index acfdb2bc791..68b998bd203 100644
--- a/drivers/media/video/usbvision/usbvision-cards.c
+++ b/drivers/media/video/usbvision/usbvision-cards.c
@@ -1026,78 +1026,78 @@ struct usbvision_device_data_st usbvision_device_data[] = {
.model_string = "Hauppauge WinTv-USB",
},
};
-const int usbvision_device_data_size=ARRAY_SIZE(usbvision_device_data);
+const int usbvision_device_data_size = ARRAY_SIZE(usbvision_device_data);
/* Supported Devices */
-struct usb_device_id usbvision_table [] = {
- { USB_DEVICE(0x0a6f, 0x0400), .driver_info=XANBOO },
- { USB_DEVICE(0x050d, 0x0106), .driver_info=BELKIN_VIDEOBUS_II },
- { USB_DEVICE(0x050d, 0x0207), .driver_info=BELKIN_VIDEOBUS },
- { USB_DEVICE(0x050d, 0x0208), .driver_info=BELKIN_USB_VIDEOBUS_II },
- { USB_DEVICE(0x0571, 0x0002), .driver_info=ECHOFX_INTERVIEW_LITE },
- { USB_DEVICE(0x0573, 0x0003), .driver_info=USBGEAR_USBG_V1 },
- { USB_DEVICE(0x0573, 0x0400), .driver_info=D_LINK_V100 },
- { USB_DEVICE(0x0573, 0x2000), .driver_info=X10_USB_CAMERA },
- { USB_DEVICE(0x0573, 0x2d00), .driver_info=HPG_WINTV_LIVE_PAL_BG },
- { USB_DEVICE(0x0573, 0x2d01), .driver_info=HPG_WINTV_LIVE_PRO_NTSC_MN },
- { USB_DEVICE(0x0573, 0x2101), .driver_info=ZORAN_PMD_NOGATECH },
- { USB_DEVICE(0x0573, 0x4100), .driver_info=NOGATECH_USB_TV_NTSC_FM },
- { USB_DEVICE(0x0573, 0x4110), .driver_info=PNY_USB_TV_NTSC_FM },
- { USB_DEVICE(0x0573, 0x4450), .driver_info=PV_PLAYTV_USB_PRO_PAL_FM },
- { USB_DEVICE(0x0573, 0x4550), .driver_info=ZT_721 },
- { USB_DEVICE(0x0573, 0x4d00), .driver_info=HPG_WINTV_NTSC_MN },
- { USB_DEVICE(0x0573, 0x4d01), .driver_info=HPG_WINTV_PAL_BG },
- { USB_DEVICE(0x0573, 0x4d02), .driver_info=HPG_WINTV_PAL_I },
- { USB_DEVICE(0x0573, 0x4d03), .driver_info=HPG_WINTV_PAL_SECAM_L },
- { USB_DEVICE(0x0573, 0x4d04), .driver_info=HPG_WINTV_PAL_D_K },
- { USB_DEVICE(0x0573, 0x4d10), .driver_info=HPG_WINTV_NTSC_FM },
- { USB_DEVICE(0x0573, 0x4d11), .driver_info=HPG_WINTV_PAL_BG_FM },
- { USB_DEVICE(0x0573, 0x4d12), .driver_info=HPG_WINTV_PAL_I_FM },
- { USB_DEVICE(0x0573, 0x4d14), .driver_info=HPG_WINTV_PAL_D_K_FM },
- { USB_DEVICE(0x0573, 0x4d2a), .driver_info=HPG_WINTV_PRO_NTSC_MN },
- { USB_DEVICE(0x0573, 0x4d2b), .driver_info=HPG_WINTV_PRO_NTSC_MN_V2 },
- { USB_DEVICE(0x0573, 0x4d2c), .driver_info=HPG_WINTV_PRO_PAL },
+struct usb_device_id usbvision_table[] = {
+ { USB_DEVICE(0x0a6f, 0x0400), .driver_info = XANBOO },
+ { USB_DEVICE(0x050d, 0x0106), .driver_info = BELKIN_VIDEOBUS_II },
+ { USB_DEVICE(0x050d, 0x0207), .driver_info = BELKIN_VIDEOBUS },
+ { USB_DEVICE(0x050d, 0x0208), .driver_info = BELKIN_USB_VIDEOBUS_II },
+ { USB_DEVICE(0x0571, 0x0002), .driver_info = ECHOFX_INTERVIEW_LITE },
+ { USB_DEVICE(0x0573, 0x0003), .driver_info = USBGEAR_USBG_V1 },
+ { USB_DEVICE(0x0573, 0x0400), .driver_info = D_LINK_V100 },
+ { USB_DEVICE(0x0573, 0x2000), .driver_info = X10_USB_CAMERA },
+ { USB_DEVICE(0x0573, 0x2d00), .driver_info = HPG_WINTV_LIVE_PAL_BG },
+ { USB_DEVICE(0x0573, 0x2d01), .driver_info = HPG_WINTV_LIVE_PRO_NTSC_MN },
+ { USB_DEVICE(0x0573, 0x2101), .driver_info = ZORAN_PMD_NOGATECH },
+ { USB_DEVICE(0x0573, 0x4100), .driver_info = NOGATECH_USB_TV_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4110), .driver_info = PNY_USB_TV_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4450), .driver_info = PV_PLAYTV_USB_PRO_PAL_FM },
+ { USB_DEVICE(0x0573, 0x4550), .driver_info = ZT_721 },
+ { USB_DEVICE(0x0573, 0x4d00), .driver_info = HPG_WINTV_NTSC_MN },
+ { USB_DEVICE(0x0573, 0x4d01), .driver_info = HPG_WINTV_PAL_BG },
+ { USB_DEVICE(0x0573, 0x4d02), .driver_info = HPG_WINTV_PAL_I },
+ { USB_DEVICE(0x0573, 0x4d03), .driver_info = HPG_WINTV_PAL_SECAM_L },
+ { USB_DEVICE(0x0573, 0x4d04), .driver_info = HPG_WINTV_PAL_D_K },
+ { USB_DEVICE(0x0573, 0x4d10), .driver_info = HPG_WINTV_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4d11), .driver_info = HPG_WINTV_PAL_BG_FM },
+ { USB_DEVICE(0x0573, 0x4d12), .driver_info = HPG_WINTV_PAL_I_FM },
+ { USB_DEVICE(0x0573, 0x4d14), .driver_info = HPG_WINTV_PAL_D_K_FM },
+ { USB_DEVICE(0x0573, 0x4d2a), .driver_info = HPG_WINTV_PRO_NTSC_MN },
+ { USB_DEVICE(0x0573, 0x4d2b), .driver_info = HPG_WINTV_PRO_NTSC_MN_V2 },
+ { USB_DEVICE(0x0573, 0x4d2c), .driver_info = HPG_WINTV_PRO_PAL },
{ USB_DEVICE(0x0573, 0x4d20), .driver_info = HPG_WINTV_PRO_NTSC_MN_V3 },
- { USB_DEVICE(0x0573, 0x4d21), .driver_info=HPG_WINTV_PRO_PAL_BG },
- { USB_DEVICE(0x0573, 0x4d22), .driver_info=HPG_WINTV_PRO_PAL_I },
- { USB_DEVICE(0x0573, 0x4d23), .driver_info=HPG_WINTV_PRO_PAL_SECAM_L },
- { USB_DEVICE(0x0573, 0x4d24), .driver_info=HPG_WINTV_PRO_PAL_D_K },
- { USB_DEVICE(0x0573, 0x4d25), .driver_info=HPG_WINTV_PRO_PAL_SECAM },
- { USB_DEVICE(0x0573, 0x4d26), .driver_info=HPG_WINTV_PRO_PAL_SECAM_V2 },
- { USB_DEVICE(0x0573, 0x4d27), .driver_info=HPG_WINTV_PRO_PAL_BG_V2 },
- { USB_DEVICE(0x0573, 0x4d28), .driver_info=HPG_WINTV_PRO_PAL_BG_D_K },
- { USB_DEVICE(0x0573, 0x4d29), .driver_info=HPG_WINTV_PRO_PAL_I_D_K },
- { USB_DEVICE(0x0573, 0x4d30), .driver_info=HPG_WINTV_PRO_NTSC_MN_FM },
- { USB_DEVICE(0x0573, 0x4d31), .driver_info=HPG_WINTV_PRO_PAL_BG_FM },
- { USB_DEVICE(0x0573, 0x4d32), .driver_info=HPG_WINTV_PRO_PAL_I_FM },
- { USB_DEVICE(0x0573, 0x4d34), .driver_info=HPG_WINTV_PRO_PAL_D_K_FM },
- { USB_DEVICE(0x0573, 0x4d35), .driver_info=HPG_WINTV_PRO_TEMIC_PAL_FM },
- { USB_DEVICE(0x0573, 0x4d36), .driver_info=HPG_WINTV_PRO_TEMIC_PAL_BG_FM },
- { USB_DEVICE(0x0573, 0x4d37), .driver_info=HPG_WINTV_PRO_PAL_FM },
- { USB_DEVICE(0x0573, 0x4d38), .driver_info=HPG_WINTV_PRO_NTSC_MN_FM_V2 },
- { USB_DEVICE(0x0768, 0x0006), .driver_info=CAMTEL_TVB330 },
- { USB_DEVICE(0x07d0, 0x0001), .driver_info=DIGITAL_VIDEO_CREATOR_I },
- { USB_DEVICE(0x07d0, 0x0002), .driver_info=GLOBAL_VILLAGE_GV_007_NTSC },
- { USB_DEVICE(0x07d0, 0x0003), .driver_info=DAZZLE_DVC_50_REV_1_NTSC },
- { USB_DEVICE(0x07d0, 0x0004), .driver_info=DAZZLE_DVC_80_REV_1_PAL },
- { USB_DEVICE(0x07d0, 0x0005), .driver_info=DAZZLE_DVC_90_REV_1_SECAM },
- { USB_DEVICE(0x07f8, 0x9104), .driver_info=ESKAPE_LABS_MYTV2GO },
- { USB_DEVICE(0x2304, 0x010d), .driver_info=PINNA_PCTV_USB_PAL },
- { USB_DEVICE(0x2304, 0x0109), .driver_info=PINNA_PCTV_USB_SECAM },
- { USB_DEVICE(0x2304, 0x0110), .driver_info=PINNA_PCTV_USB_PAL_FM },
- { USB_DEVICE(0x2304, 0x0111), .driver_info=MIRO_PCTV_USB },
- { USB_DEVICE(0x2304, 0x0112), .driver_info=PINNA_PCTV_USB_NTSC_FM },
+ { USB_DEVICE(0x0573, 0x4d21), .driver_info = HPG_WINTV_PRO_PAL_BG },
+ { USB_DEVICE(0x0573, 0x4d22), .driver_info = HPG_WINTV_PRO_PAL_I },
+ { USB_DEVICE(0x0573, 0x4d23), .driver_info = HPG_WINTV_PRO_PAL_SECAM_L },
+ { USB_DEVICE(0x0573, 0x4d24), .driver_info = HPG_WINTV_PRO_PAL_D_K },
+ { USB_DEVICE(0x0573, 0x4d25), .driver_info = HPG_WINTV_PRO_PAL_SECAM },
+ { USB_DEVICE(0x0573, 0x4d26), .driver_info = HPG_WINTV_PRO_PAL_SECAM_V2 },
+ { USB_DEVICE(0x0573, 0x4d27), .driver_info = HPG_WINTV_PRO_PAL_BG_V2 },
+ { USB_DEVICE(0x0573, 0x4d28), .driver_info = HPG_WINTV_PRO_PAL_BG_D_K },
+ { USB_DEVICE(0x0573, 0x4d29), .driver_info = HPG_WINTV_PRO_PAL_I_D_K },
+ { USB_DEVICE(0x0573, 0x4d30), .driver_info = HPG_WINTV_PRO_NTSC_MN_FM },
+ { USB_DEVICE(0x0573, 0x4d31), .driver_info = HPG_WINTV_PRO_PAL_BG_FM },
+ { USB_DEVICE(0x0573, 0x4d32), .driver_info = HPG_WINTV_PRO_PAL_I_FM },
+ { USB_DEVICE(0x0573, 0x4d34), .driver_info = HPG_WINTV_PRO_PAL_D_K_FM },
+ { USB_DEVICE(0x0573, 0x4d35), .driver_info = HPG_WINTV_PRO_TEMIC_PAL_FM },
+ { USB_DEVICE(0x0573, 0x4d36), .driver_info = HPG_WINTV_PRO_TEMIC_PAL_BG_FM },
+ { USB_DEVICE(0x0573, 0x4d37), .driver_info = HPG_WINTV_PRO_PAL_FM },
+ { USB_DEVICE(0x0573, 0x4d38), .driver_info = HPG_WINTV_PRO_NTSC_MN_FM_V2 },
+ { USB_DEVICE(0x0768, 0x0006), .driver_info = CAMTEL_TVB330 },
+ { USB_DEVICE(0x07d0, 0x0001), .driver_info = DIGITAL_VIDEO_CREATOR_I },
+ { USB_DEVICE(0x07d0, 0x0002), .driver_info = GLOBAL_VILLAGE_GV_007_NTSC },
+ { USB_DEVICE(0x07d0, 0x0003), .driver_info = DAZZLE_DVC_50_REV_1_NTSC },
+ { USB_DEVICE(0x07d0, 0x0004), .driver_info = DAZZLE_DVC_80_REV_1_PAL },
+ { USB_DEVICE(0x07d0, 0x0005), .driver_info = DAZZLE_DVC_90_REV_1_SECAM },
+ { USB_DEVICE(0x07f8, 0x9104), .driver_info = ESKAPE_LABS_MYTV2GO },
+ { USB_DEVICE(0x2304, 0x010d), .driver_info = PINNA_PCTV_USB_PAL },
+ { USB_DEVICE(0x2304, 0x0109), .driver_info = PINNA_PCTV_USB_SECAM },
+ { USB_DEVICE(0x2304, 0x0110), .driver_info = PINNA_PCTV_USB_PAL_FM },
+ { USB_DEVICE(0x2304, 0x0111), .driver_info = MIRO_PCTV_USB },
+ { USB_DEVICE(0x2304, 0x0112), .driver_info = PINNA_PCTV_USB_NTSC_FM },
{ USB_DEVICE(0x2304, 0x0113),
.driver_info = PINNA_PCTV_USB_NTSC_FM_V3 },
- { USB_DEVICE(0x2304, 0x0210), .driver_info=PINNA_PCTV_USB_PAL_FM_V2 },
- { USB_DEVICE(0x2304, 0x0212), .driver_info=PINNA_PCTV_USB_NTSC_FM_V2 },
- { USB_DEVICE(0x2304, 0x0214), .driver_info=PINNA_PCTV_USB_PAL_FM_V3 },
- { USB_DEVICE(0x2304, 0x0300), .driver_info=PINNA_LINX_VD_IN_CAB_NTSC },
- { USB_DEVICE(0x2304, 0x0301), .driver_info=PINNA_LINX_VD_IN_CAB_PAL },
- { USB_DEVICE(0x2304, 0x0419), .driver_info=PINNA_PCTV_BUNGEE_PAL_FM },
- { USB_DEVICE(0x2400, 0x4200), .driver_info=HPG_WINTV },
+ { USB_DEVICE(0x2304, 0x0210), .driver_info = PINNA_PCTV_USB_PAL_FM_V2 },
+ { USB_DEVICE(0x2304, 0x0212), .driver_info = PINNA_PCTV_USB_NTSC_FM_V2 },
+ { USB_DEVICE(0x2304, 0x0214), .driver_info = PINNA_PCTV_USB_PAL_FM_V3 },
+ { USB_DEVICE(0x2304, 0x0300), .driver_info = PINNA_LINX_VD_IN_CAB_NTSC },
+ { USB_DEVICE(0x2304, 0x0301), .driver_info = PINNA_LINX_VD_IN_CAB_PAL },
+ { USB_DEVICE(0x2304, 0x0419), .driver_info = PINNA_PCTV_BUNGEE_PAL_FM },
+ { USB_DEVICE(0x2400, 0x4200), .driver_info = HPG_WINTV },
{ }, /* terminate list */
};
-MODULE_DEVICE_TABLE (usb, usbvision_table);
+MODULE_DEVICE_TABLE(usb, usbvision_table);
diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 64a91332318..c8feb0d6fcc 100644
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -33,7 +33,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/spinlock.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <linux/videodev2.h>
#include <linux/i2c.h>
@@ -46,12 +46,12 @@
#include "usbvision.h"
static unsigned int core_debug;
-module_param(core_debug,int,0644);
-MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
+module_param(core_debug, int, 0644);
+MODULE_PARM_DESC(core_debug, "enable debug messages [core]");
static unsigned int force_testpattern;
-module_param(force_testpattern,int,0644);
-MODULE_PARM_DESC(force_testpattern,"enable test pattern display [core]");
+module_param(force_testpattern, int, 0644);
+MODULE_PARM_DESC(force_testpattern, "enable test pattern display [core]");
static int adjust_compression = 1; /* Set the compression to be adaptive */
module_param(adjust_compression, int, 0444);
@@ -82,15 +82,15 @@ MODULE_PARM_DESC(adjust_y_offset, "adjust Y offset display [core]");
__func__, __LINE__ , ## args); \
}
#else
- #define PDEBUG(level, fmt, args...) do {} while(0)
+ #define PDEBUG(level, fmt, args...) do {} while (0)
#endif
-#define DBG_HEADER 1<<0
-#define DBG_IRQ 1<<1
-#define DBG_ISOC 1<<2
-#define DBG_PARSE 1<<3
-#define DBG_SCRATCH 1<<4
-#define DBG_FUNC 1<<5
+#define DBG_HEADER (1 << 0)
+#define DBG_IRQ (1 << 1)
+#define DBG_ISOC (1 << 2)
+#define DBG_PARSE (1 << 3)
+#define DBG_SCRATCH (1 << 4)
+#define DBG_FUNC (1 << 5)
static const int max_imgwidth = MAX_FRAME_WIDTH;
static const int max_imgheight = MAX_FRAME_HEIGHT;
@@ -107,10 +107,10 @@ static const int min_imgheight = MIN_FRAME_HEIGHT;
static const int scratch_buf_size = DEFAULT_SCRATCH_BUF_SIZE;
/* Function prototypes */
-static int usbvision_request_intra (struct usb_usbvision *usbvision);
-static int usbvision_unrequest_intra (struct usb_usbvision *usbvision);
-static int usbvision_adjust_compression (struct usb_usbvision *usbvision);
-static int usbvision_measure_bandwidth (struct usb_usbvision *usbvision);
+static int usbvision_request_intra(struct usb_usbvision *usbvision);
+static int usbvision_unrequest_intra(struct usb_usbvision *usbvision);
+static int usbvision_adjust_compression(struct usb_usbvision *usbvision);
+static int usbvision_measure_bandwidth(struct usb_usbvision *usbvision);
/*******************************/
/* Memory management functions */
@@ -176,7 +176,7 @@ static void usbvision_hexdump(const unsigned char *data, int len)
k += sprintf(&tmp[k], "%02x ", data[i]);
}
if (k > 0)
- printk("%s\n", tmp);
+ printk(KERN_CONT "%s\n", tmp);
}
#endif
@@ -186,9 +186,9 @@ static void usbvision_hexdump(const unsigned char *data, int len)
static int scratch_len(struct usb_usbvision *usbvision) /* This returns the amount of data actually in the buffer */
{
int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr;
- if (len < 0) {
+
+ if (len < 0)
len += scratch_buf_size;
- }
PDEBUG(DBG_SCRATCH, "scratch_len() = %d\n", len);
return len;
@@ -199,9 +199,8 @@ static int scratch_len(struct usb_usbvision *usbvision) /* This returns the a
static int scratch_free(struct usb_usbvision *usbvision)
{
int free = usbvision->scratch_read_ptr - usbvision->scratch_write_ptr;
- if (free <= 0) {
+ if (free <= 0)
free += scratch_buf_size;
- }
if (free) {
free -= 1; /* at least one byte in the buffer must */
/* left blank, otherwise there is no chance to differ between full and empty */
@@ -221,14 +220,12 @@ static int scratch_put(struct usb_usbvision *usbvision, unsigned char *data,
if (usbvision->scratch_write_ptr + len < scratch_buf_size) {
memcpy(usbvision->scratch + usbvision->scratch_write_ptr, data, len);
usbvision->scratch_write_ptr += len;
- }
- else {
+ } else {
len_part = scratch_buf_size - usbvision->scratch_write_ptr;
memcpy(usbvision->scratch + usbvision->scratch_write_ptr, data, len_part);
if (len == len_part) {
usbvision->scratch_write_ptr = 0; /* just set write_ptr to zero */
- }
- else {
+ } else {
memcpy(usbvision->scratch, data + len_part, len - len_part);
usbvision->scratch_write_ptr = len - len_part;
}
@@ -255,17 +252,16 @@ static int scratch_get_extra(struct usb_usbvision *usbvision,
unsigned char *data, int *ptr, int len)
{
int len_part;
+
if (*ptr + len < scratch_buf_size) {
memcpy(data, usbvision->scratch + *ptr, len);
*ptr += len;
- }
- else {
+ } else {
len_part = scratch_buf_size - *ptr;
memcpy(data, usbvision->scratch + *ptr, len_part);
if (len == len_part) {
*ptr = 0; /* just set the y_ptr to zero */
- }
- else {
+ } else {
memcpy(data + len_part, usbvision->scratch, len - len_part);
*ptr = len - len_part;
}
@@ -281,7 +277,7 @@ static int scratch_get_extra(struct usb_usbvision *usbvision,
static void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr,
int len)
{
- *ptr = (usbvision->scratch_read_ptr + len)%scratch_buf_size;
+ *ptr = (usbvision->scratch_read_ptr + len) % scratch_buf_size;
PDEBUG(DBG_SCRATCH, "ptr=%d\n", *ptr);
}
@@ -301,17 +297,16 @@ static int scratch_get(struct usb_usbvision *usbvision, unsigned char *data,
int len)
{
int len_part;
+
if (usbvision->scratch_read_ptr + len < scratch_buf_size) {
memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len);
usbvision->scratch_read_ptr += len;
- }
- else {
+ } else {
len_part = scratch_buf_size - usbvision->scratch_read_ptr;
memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len_part);
if (len == len_part) {
usbvision->scratch_read_ptr = 0; /* just set the read_ptr to zero */
- }
- else {
+ } else {
memcpy(data + len_part, usbvision->scratch, len - len_part);
usbvision->scratch_read_ptr = len - len_part;
}
@@ -355,7 +350,6 @@ static int scratch_get_header(struct usb_usbvision *usbvision,
/* This removes len bytes of old data from the buffer */
static void scratch_rm_old(struct usb_usbvision *usbvision, int len)
{
-
usbvision->scratch_read_ptr += len;
usbvision->scratch_read_ptr %= scratch_buf_size;
PDEBUG(DBG_SCRATCH, "read_ptr is now %d\n", usbvision->scratch_read_ptr);
@@ -378,7 +372,7 @@ int usbvision_scratch_alloc(struct usb_usbvision *usbvision)
{
usbvision->scratch = vmalloc_32(scratch_buf_size);
scratch_reset(usbvision);
- if(usbvision->scratch == NULL) {
+ if (usbvision->scratch == NULL) {
dev_err(&usbvision->dev->dev,
"%s: unable to allocate %d bytes for scratch\n",
__func__, scratch_buf_size);
@@ -391,7 +385,6 @@ void usbvision_scratch_free(struct usb_usbvision *usbvision)
{
vfree(usbvision->scratch);
usbvision->scratch = NULL;
-
}
/*
@@ -476,7 +469,6 @@ static void usbvision_testpattern(struct usb_usbvision *usbvision,
frame->grabstate = frame_state_done;
frame->scanlength += scan_length;
++num_pass;
-
}
/*
@@ -487,6 +479,7 @@ static void usbvision_testpattern(struct usb_usbvision *usbvision,
int usbvision_decompress_alloc(struct usb_usbvision *usbvision)
{
int IFB_size = MAX_FRAME_WIDTH * MAX_FRAME_HEIGHT * 3 / 2;
+
usbvision->intra_frame_buffer = vmalloc_32(IFB_size);
if (usbvision->intra_frame_buffer == NULL) {
dev_err(&usbvision->dev->dev,
@@ -545,8 +538,7 @@ static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
usbvision_unrequest_intra(usbvision);
break;
}
- }
- else {
+ } else {
found_header = 1;
break;
}
@@ -555,16 +547,15 @@ static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
if (found_header) {
frame->frmwidth = frame->isoc_header.frame_width * usbvision->stretch_width;
frame->frmheight = frame->isoc_header.frame_height * usbvision->stretch_height;
- frame->v4l2_linesize = (frame->frmwidth * frame->v4l2_format.depth)>> 3;
- }
- else { /* no header found */
+ frame->v4l2_linesize = (frame->frmwidth * frame->v4l2_format.depth) >> 3;
+ } else { /* no header found */
PDEBUG(DBG_HEADER, "skipping scratch data, no header");
scratch_reset(usbvision);
return parse_state_end_parse;
}
/* found header */
- if (frame->isoc_header.data_format==ISOC_MODE_COMPRESS) {
+ if (frame->isoc_header.data_format == ISOC_MODE_COMPRESS) {
/* check isoc_header.frame_num for lost frames */
if (usbvision->last_isoc_frame_num >= 0) {
if (((usbvision->last_isoc_frame_num + 1) % 32) != frame->isoc_header.frame_num) {
@@ -594,7 +585,7 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
unsigned char *f;
int len;
int i;
- unsigned char yuyv[4]={180, 128, 10, 128}; /* YUV components */
+ unsigned char yuyv[4] = { 180, 128, 10, 128 }; /* YUV components */
unsigned char rv, gv, bv; /* RGB components */
int clipmask_index, bytes_per_pixel;
int stretch_bytes, clipmask_add;
@@ -603,31 +594,27 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
f = frame->data + (frame->v4l2_linesize * frame->curline);
/* Make sure there's enough data for the entire line */
- len = (frame->isoc_header.frame_width * 2)+5;
+ len = (frame->isoc_header.frame_width * 2) + 5;
if (scratch_len(usbvision) < len) {
PDEBUG(DBG_PARSE, "out of data in line %d, need %u.\n", frame->curline, len);
return parse_state_out;
}
- if ((frame->curline + 1) >= frame->frmheight) {
+ if ((frame->curline + 1) >= frame->frmheight)
return parse_state_next_frame;
- }
bytes_per_pixel = frame->v4l2_format.bytes_per_pixel;
stretch_bytes = (usbvision->stretch_width - 1) * bytes_per_pixel;
clipmask_index = frame->curline * MAX_FRAME_WIDTH;
clipmask_add = usbvision->stretch_width;
- for (i = 0; i < frame->frmwidth; i+=(2 * usbvision->stretch_width)) {
-
+ for (i = 0; i < frame->frmwidth; i += (2 * usbvision->stretch_width)) {
scratch_get(usbvision, &yuyv[0], 4);
if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f++ = yuyv[0]; /* Y */
*f++ = yuyv[3]; /* U */
- }
- else {
-
+ } else {
YUV_TO_RGB_BY_THE_BOOK(yuyv[0], yuyv[1], yuyv[3], rv, gv, bv);
switch (frame->v4l2_format.format) {
case V4L2_PIX_FMT_RGB565:
@@ -661,9 +648,7 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f++ = yuyv[2]; /* Y */
*f++ = yuyv[1]; /* V */
- }
- else {
-
+ } else {
YUV_TO_RGB_BY_THE_BOOK(yuyv[2], yuyv[1], yuyv[3], rv, gv, bv);
switch (frame->v4l2_format.format) {
case V4L2_PIX_FMT_RGB565:
@@ -698,16 +683,13 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
frame->curline += usbvision->stretch_height;
*pcopylen += frame->v4l2_linesize * usbvision->stretch_height;
- if (frame->curline >= frame->frmheight) {
+ if (frame->curline >= frame->frmheight)
return parse_state_next_frame;
- }
- else {
- return parse_state_continue;
- }
+ return parse_state_continue;
}
/* The decompression routine */
-static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *compressed,
+static int usbvision_decompress(struct usb_usbvision *usbvision, unsigned char *compressed,
unsigned char *decompressed, int *start_pos,
int *block_typestart_pos, int len)
{
@@ -728,9 +710,8 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
rest_pixel = len;
for (idx = 0; idx < len; idx++) {
-
if (block_len == 0) {
- if (block_type_len==0) {
+ if (block_type_len == 0) {
block_type_byte = compressed[block_type_pos];
block_type_pos++;
block_type_len = 4;
@@ -742,7 +723,7 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
pos = extra_pos;
if (block_type == 0) {
- if(rest_pixel >= 24) {
+ if (rest_pixel >= 24) {
idx += 23;
rest_pixel -= 24;
integrator = decompressed[idx];
@@ -753,11 +734,10 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
} else {
block_code = compressed[pos];
pos++;
- if (rest_pixel >= 24) {
+ if (rest_pixel >= 24)
block_len = 24;
- } else {
+ else
block_len = rest_pixel;
- }
rest_pixel -= block_len;
extra_pos = pos + (block_len / 4);
}
@@ -765,24 +745,23 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
block_type_len -= 1;
}
if (block_len > 0) {
- if ((block_len%4) == 0) {
+ if ((block_len % 4) == 0) {
block_byte = compressed[pos];
pos++;
}
- if (block_type == 1) { /* inter Block */
+ if (block_type == 1) /* inter Block */
integrator = decompressed[idx];
- }
switch (block_byte & 0xC0) {
- case 0x03<<6:
- integrator += compressed[extra_pos];
- extra_pos++;
- break;
- case 0x02<<6:
- integrator += block_code;
- break;
- case 0x00:
- integrator -= block_code;
- break;
+ case 0x03 << 6:
+ integrator += compressed[extra_pos];
+ extra_pos++;
+ break;
+ case 0x02 << 6:
+ integrator += block_code;
+ break;
+ case 0x00:
+ integrator -= block_code;
+ break;
}
decompressed[idx] = integrator;
block_byte <<= 2;
@@ -811,45 +790,40 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
#define USBVISION_STRIP_HEADER_LEN 3
struct usbvision_frame *frame;
- unsigned char *f,*u = NULL ,*v = NULL;
+ unsigned char *f, *u = NULL, *v = NULL;
unsigned char strip_data[USBVISION_STRIP_LEN_MAX];
unsigned char strip_header[USBVISION_STRIP_HEADER_LEN];
- int idx, idx_end, strip_len, strip_ptr, Startblock_pos, block_pos, block_type_pos;
+ int idx, idx_end, strip_len, strip_ptr, startblock_pos, block_pos, block_type_pos;
int clipmask_index, bytes_per_pixel, rc;
int image_size;
unsigned char rv, gv, bv;
static unsigned char *Y, *U, *V;
- frame = usbvision->cur_frame;
+ frame = usbvision->cur_frame;
image_size = frame->frmwidth * frame->frmheight;
- if ( (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) ||
- (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) ) { /* this is a planar format */
+ if ((frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) ||
+ (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420)) { /* this is a planar format */
/* ... v4l2_linesize not used here. */
f = frame->data + (frame->width * frame->curline);
} else
f = frame->data + (frame->v4l2_linesize * frame->curline);
- if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV){ /* initialise u and v pointers */
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) { /* initialise u and v pointers */
/* get base of u and b planes add halfoffset */
-
u = frame->data
+ image_size
- + (frame->frmwidth >>1) * frame->curline ;
- v = u + (image_size >>1 );
-
- } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420){
-
- v = frame->data + image_size + ((frame->curline* (frame->width))>>2) ;
- u = v + (image_size >>2) ;
+ + (frame->frmwidth >> 1) * frame->curline;
+ v = u + (image_size >> 1);
+ } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
+ v = frame->data + image_size + ((frame->curline * (frame->width)) >> 2);
+ u = v + (image_size >> 2);
}
- if (frame->curline == 0) {
+ if (frame->curline == 0)
usbvision_adjust_compression(usbvision);
- }
- if (scratch_len(usbvision) < USBVISION_STRIP_HEADER_LEN) {
+ if (scratch_len(usbvision) < USBVISION_STRIP_HEADER_LEN)
return parse_state_out;
- }
/* get strip header without changing the scratch_read_ptr */
scratch_set_extra_ptr(usbvision, &strip_ptr, 0);
@@ -863,7 +837,7 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
}
if (frame->curline != (int)strip_header[2]) {
- /* line number missmatch error */
+ /* line number mismatch error */
usbvision->strip_line_number_errors++;
}
@@ -883,8 +857,7 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
Y = usbvision->intra_frame_buffer + frame->frmwidth * frame->curline;
U = usbvision->intra_frame_buffer + image_size + (frame->frmwidth / 2) * (frame->curline / 2);
V = usbvision->intra_frame_buffer + image_size / 4 * 5 + (frame->frmwidth / 2) * (frame->curline / 2);
- }
- else {
+ } else {
return parse_state_next_frame;
}
@@ -895,107 +868,87 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
idx_end = frame->frmwidth;
block_type_pos = USBVISION_STRIP_HEADER_LEN;
- Startblock_pos = block_type_pos + (idx_end - 1) / 96 + (idx_end / 2 - 1) / 96 + 2;
- block_pos = Startblock_pos;
+ startblock_pos = block_type_pos + (idx_end - 1) / 96 + (idx_end / 2 - 1) / 96 + 2;
+ block_pos = startblock_pos;
usbvision->block_pos = block_pos;
- if ((rc = usbvision_decompress(usbvision, strip_data, Y, &block_pos, &block_type_pos, idx_end)) != idx_end) {
- /* return parse_state_continue; */
- }
- if (strip_len > usbvision->max_strip_len) {
+ rc = usbvision_decompress(usbvision, strip_data, Y, &block_pos, &block_type_pos, idx_end);
+ if (strip_len > usbvision->max_strip_len)
usbvision->max_strip_len = strip_len;
- }
- if (frame->curline%2) {
- if ((rc = usbvision_decompress(usbvision, strip_data, V, &block_pos, &block_type_pos, idx_end/2)) != idx_end/2) {
- /* return parse_state_continue; */
- }
- }
- else {
- if ((rc = usbvision_decompress(usbvision, strip_data, U, &block_pos, &block_type_pos, idx_end/2)) != idx_end/2) {
- /* return parse_state_continue; */
- }
- }
+ if (frame->curline % 2)
+ rc = usbvision_decompress(usbvision, strip_data, V, &block_pos, &block_type_pos, idx_end / 2);
+ else
+ rc = usbvision_decompress(usbvision, strip_data, U, &block_pos, &block_type_pos, idx_end / 2);
- if (block_pos > usbvision->comprblock_pos) {
+ if (block_pos > usbvision->comprblock_pos)
usbvision->comprblock_pos = block_pos;
- }
- if (block_pos > strip_len) {
+ if (block_pos > strip_len)
usbvision->strip_len_errors++;
- }
for (idx = 0; idx < idx_end; idx++) {
- if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f++ = Y[idx];
- *f++ = idx & 0x01 ? U[idx/2] : V[idx/2];
- }
- else if(frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) {
+ *f++ = idx & 0x01 ? U[idx / 2] : V[idx / 2];
+ } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) {
*f++ = Y[idx];
- if ( idx & 0x01)
- *u++ = U[idx>>1] ;
+ if (idx & 0x01)
+ *u++ = U[idx >> 1];
else
- *v++ = V[idx>>1];
- }
- else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
- *f++ = Y [idx];
- if ( !(( idx & 0x01 ) | ( frame->curline & 0x01 )) ){
-
-/* only need do this for 1 in 4 pixels */
-/* intraframe buffer is YUV420 format */
-
- *u++ = U[idx >>1];
- *v++ = V[idx >>1];
+ *v++ = V[idx >> 1];
+ } else if (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) {
+ *f++ = Y[idx];
+ if (!((idx & 0x01) | (frame->curline & 0x01))) {
+ /* only need do this for 1 in 4 pixels */
+ /* intraframe buffer is YUV420 format */
+ *u++ = U[idx >> 1];
+ *v++ = V[idx >> 1];
}
-
- }
- else {
- YUV_TO_RGB_BY_THE_BOOK(Y[idx], U[idx/2], V[idx/2], rv, gv, bv);
+ } else {
+ YUV_TO_RGB_BY_THE_BOOK(Y[idx], U[idx / 2], V[idx / 2], rv, gv, bv);
switch (frame->v4l2_format.format) {
- case V4L2_PIX_FMT_GREY:
- *f++ = Y[idx];
- break;
- case V4L2_PIX_FMT_RGB555:
- *f++ = (0x1F & rv) |
- (0xE0 & (gv << 5));
- *f++ = (0x03 & (gv >> 3)) |
- (0x7C & (bv << 2));
- break;
- case V4L2_PIX_FMT_RGB565:
- *f++ = (0x1F & rv) |
- (0xE0 & (gv << 5));
- *f++ = (0x07 & (gv >> 3)) |
- (0xF8 & bv);
- break;
- case V4L2_PIX_FMT_RGB24:
- *f++ = rv;
- *f++ = gv;
- *f++ = bv;
- break;
- case V4L2_PIX_FMT_RGB32:
- *f++ = rv;
- *f++ = gv;
- *f++ = bv;
- f++;
- break;
+ case V4L2_PIX_FMT_GREY:
+ *f++ = Y[idx];
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x03 & (gv >> 3)) |
+ (0x7C & (bv << 2));
+ break;
+ case V4L2_PIX_FMT_RGB565:
+ *f++ = (0x1F & rv) |
+ (0xE0 & (gv << 5));
+ *f++ = (0x07 & (gv >> 3)) |
+ (0xF8 & bv);
+ break;
+ case V4L2_PIX_FMT_RGB24:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ break;
+ case V4L2_PIX_FMT_RGB32:
+ *f++ = rv;
+ *f++ = gv;
+ *f++ = bv;
+ f++;
+ break;
}
}
clipmask_index++;
}
/* Deal with non-integer no. of bytes for YUV420P */
- if (frame->v4l2_format.format != V4L2_PIX_FMT_YVU420 )
+ if (frame->v4l2_format.format != V4L2_PIX_FMT_YVU420)
*pcopylen += frame->v4l2_linesize;
else
*pcopylen += frame->curline & 0x01 ? frame->v4l2_linesize : frame->v4l2_linesize << 1;
frame->curline += 1;
- if (frame->curline >= frame->frmheight) {
+ if (frame->curline >= frame->frmheight)
return parse_state_next_frame;
- }
- else {
- return parse_state_continue;
- }
+ return parse_state_continue;
}
@@ -1016,11 +969,11 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
unsigned int pixel_per_line, block;
int pixel, block_split;
int y_ptr, u_ptr, v_ptr, y_odd_offset;
- const int y_block_size = 128;
- const int uv_block_size = 64;
+ const int y_block_size = 128;
+ const int uv_block_size = 64;
const int sub_block_size = 32;
- const int y_step[] = { 0, 0, 0, 2 }, y_step_size = 4;
- const int uv_step[]= { 0, 0, 0, 4 }, uv_step_size = 4;
+ const int y_step[] = { 0, 0, 0, 2 }, y_step_size = 4;
+ const int uv_step[] = { 0, 0, 0, 4 }, uv_step_size = 4;
unsigned char y[2], u, v; /* YUV components */
int y_, u_, v_, vb, uvg, ur;
int r_, g_, b_; /* RGB components */
@@ -1047,9 +1000,8 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
return parse_state_out;
}
- if ((frame->curline + 1) >= frame->frmheight) {
+ if ((frame->curline + 1) >= frame->frmheight)
return parse_state_next_frame;
- }
block_split = (pixel_per_line%y_block_size) ? 1 : 0; /* are some blocks splitted into different lines? */
@@ -1061,11 +1013,8 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
scratch_set_extra_ptr(usbvision, &v_ptr, y_odd_offset
+ (4 - block_split) * sub_block_size);
- for (block = 0; block < (pixel_per_line / sub_block_size);
- block++) {
-
-
- for (pixel = 0; pixel < sub_block_size; pixel +=2) {
+ for (block = 0; block < (pixel_per_line / sub_block_size); block++) {
+ for (pixel = 0; pixel < sub_block_size; pixel += 2) {
scratch_get(usbvision, &y[0], 2);
scratch_get_extra(usbvision, &u, &u_ptr, 1);
scratch_get_extra(usbvision, &v, &v_ptr, 1);
@@ -1073,19 +1022,18 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
/* I don't use the YUV_TO_RGB macro for better performance */
v_ = v - 128;
u_ = u - 128;
- vb = 132252 * v_;
- uvg= -53281 * u_ - 25625 * v_;
+ vb = 132252 * v_;
+ uvg = -53281 * u_ - 25625 * v_;
ur = 104595 * u_;
- if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f_even++ = y[0];
*f_even++ = v;
- }
- else {
+ } else {
y_ = 76284 * (y[0] - 16);
b_ = (y_ + vb) >> 16;
- g_ = (y_ + uvg)>> 16;
+ g_ = (y_ + uvg) >> 16;
r_ = (y_ + ur) >> 16;
switch (frame->v4l2_format.format) {
@@ -1121,15 +1069,14 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
clipmask_even_index += clipmask_add;
f_even += stretch_bytes;
- if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f_even++ = y[1];
*f_even++ = u;
- }
- else {
+ } else {
y_ = 76284 * (y[1] - 16);
b_ = (y_ + vb) >> 16;
- g_ = (y_ + uvg)>> 16;
+ g_ = (y_ + uvg) >> 16;
r_ = (y_ + ur) >> 16;
switch (frame->v4l2_format.format) {
@@ -1167,15 +1114,14 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
scratch_get_extra(usbvision, &y[0], &y_ptr, 2);
- if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f_odd++ = y[0];
*f_odd++ = v;
- }
- else {
+ } else {
y_ = 76284 * (y[0] - 16);
b_ = (y_ + vb) >> 16;
- g_ = (y_ + uvg)>> 16;
+ g_ = (y_ + uvg) >> 16;
r_ = (y_ + ur) >> 16;
switch (frame->v4l2_format.format) {
@@ -1211,15 +1157,14 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
clipmask_odd_index += clipmask_add;
f_odd += stretch_bytes;
- if(frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
*f_odd++ = y[1];
*f_odd++ = u;
- }
- else {
+ } else {
y_ = 76284 * (y[1] - 16);
b_ = (y_ + vb) >> 16;
- g_ = (y_ + uvg)>> 16;
+ g_ = (y_ + uvg) >> 16;
r_ = (y_ + ur) >> 16;
switch (frame->v4l2_format.format) {
@@ -1256,7 +1201,7 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
f_odd += stretch_bytes;
}
</