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V4L/DVB: s2255drv: fixes for big endian arch 

s2255drv fixes for big endian architecture

Signed-off-by: Dean Anderson <dean@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dean Anderson 2010-03-04 20:47:33 -03:00 коммит произвёл Mauro Carvalho Chehab
Родитель 811fab623f
Коммит 3fa0060526
1 изменённых файлов: 25 добавлений и 30 удалений
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55
drivers/media/video/s2255drv.c
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@ -78,11 +78,11 @@
#define S2255_SETMODE_TIMEOUT 500
#define S2255_VIDSTATUS_TIMEOUT 350
#define MAX_CHANNELS 4
#define S2255_MARKER_FRAME 0x2255DA4AL
#define S2255_MARKER_RESPONSE 0x2255ACACL
#define S2255_RESPONSE_SETMODE 0x01
#define S2255_RESPONSE_FW 0x10
#define S2255_RESPONSE_STATUS 0x20
#define S2255_MARKER_FRAME cpu_to_le32(0x2255DA4AL)
#define S2255_MARKER_RESPONSE cpu_to_le32(0x2255ACACL)
#define S2255_RESPONSE_SETMODE cpu_to_le32(0x01)
#define S2255_RESPONSE_FW cpu_to_le32(0x10)
#define S2255_RESPONSE_STATUS cpu_to_le32(0x20)
#define S2255_USB_XFER_SIZE (16 * 1024)
#define MAX_CHANNELS 4
#define MAX_PIPE_BUFFERS 1
@ -141,12 +141,12 @@
#define DEF_HUE 0
/* usb config commands */
#define IN_DATA_TOKEN 0x2255c0de
#define CMD_2255 0xc2255000
#define CMD_SET_MODE (CMD_2255 | 0x10)
#define CMD_START (CMD_2255 | 0x20)
#define CMD_STOP (CMD_2255 | 0x30)
#define CMD_STATUS (CMD_2255 | 0x40)
#define IN_DATA_TOKEN cpu_to_le32(0x2255c0de)
#define CMD_2255 cpu_to_le32(0xc2255000)
#define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10))
#define CMD_START cpu_to_le32((CMD_2255 | 0x20))
#define CMD_STOP cpu_to_le32((CMD_2255 | 0x30))
#define CMD_STATUS cpu_to_le32((CMD_2255 | 0x40))
struct s2255_mode {
u32 format; /* input video format (NTSC, PAL) */
@ -310,7 +310,7 @@ struct s2255_fh {
/* Need DSP version 5+ for video status feature */
#define S2255_MIN_DSP_STATUS 5
#define S2255_MAJOR_VERSION 1
#define S2255_MINOR_VERSION 15
#define S2255_MINOR_VERSION 16
#define S2255_RELEASE 0
#define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \
S2255_MINOR_VERSION, \
@ -1219,9 +1219,8 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
struct s2255_mode *mode)
{
int res;
u32 *buffer;
__le32 *buffer;
unsigned long chn_rev;
mutex_lock(&dev->lock);
chn_rev = G_chnmap[chn];
dprintk(3, "mode scale [%ld] %p %d\n", chn, mode, mode->scale);
@ -1247,7 +1246,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
/* set the mode */
buffer[0] = IN_DATA_TOKEN;
buffer[1] = (u32) chn_rev;
buffer[1] = (__le32) cpu_to_le32(chn_rev);
buffer[2] = CMD_SET_MODE;
memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode));
dev->setmode_ready[chn] = 0;
@ -1278,7 +1277,7 @@ static int s2255_cmd_status(struct s2255_dev *dev, unsigned long chn,
u32 *pstatus)
{
int res;
u32 *buffer;
__le32 *buffer;
u32 chn_rev;
mutex_lock(&dev->lock);
chn_rev = G_chnmap[chn];
@ -1291,7 +1290,7 @@ static int s2255_cmd_status(struct s2255_dev *dev, unsigned long chn,
}
/* form the get vid status command */
buffer[0] = IN_DATA_TOKEN;
buffer[1] = chn_rev;
buffer[1] = (__le32) cpu_to_le32(chn_rev);
buffer[2] = CMD_STATUS;
*pstatus = 0;
dev->vidstatus_ready[chn] = 0;
@ -1971,14 +1970,14 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
if (frm->ulState == S2255_READ_IDLE) {
int jj;
unsigned int cc;
s32 *pdword;
__le32 *pdword; /*data from dsp is little endian */
int payload;
/* search for marker codes */
pdata = (unsigned char *)pipe_info->transfer_buffer;
pdword = (__le32 *)pdata;
for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) {
switch (*(s32 *) pdata) {
switch (*pdword) {
case S2255_MARKER_FRAME:
pdword = (s32 *)pdata;
dprintk(4, "found frame marker at offset:"
" %d [%x %x]\n", jj, pdata[0],
pdata[1]);
@ -2002,7 +2001,6 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info)
dev->jpg_size[dev->cc] = pdword[4];
break;
case S2255_MARKER_RESPONSE:
pdword = (s32 *)pdata;
pdata += DEF_USB_BLOCK;
jj += DEF_USB_BLOCK;
if (pdword[1] >= MAX_CHANNELS)
@ -2437,9 +2435,9 @@ static int s2255_start_acquire(struct s2255_dev *dev, unsigned long chn)
}
/* send the start command */
*(u32 *) buffer = IN_DATA_TOKEN;
*((u32 *) buffer + 1) = (u32) chn_rev;
*((u32 *) buffer + 2) = (u32) CMD_START;
*(__le32 *) buffer = IN_DATA_TOKEN;
*((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev);
*((__le32 *) buffer + 2) = CMD_START;
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
if (res != 0)
dev_err(&dev->udev->dev, "CMD_START error\n");
@ -2454,24 +2452,21 @@ static int s2255_stop_acquire(struct s2255_dev *dev, unsigned long chn)
unsigned char *buffer;
int res;
unsigned long chn_rev;
if (chn >= MAX_CHANNELS) {
dprintk(2, "stop acquire failed, bad channel %lu\n", chn);
return -1;
}
chn_rev = G_chnmap[chn];
buffer = kzalloc(512, GFP_KERNEL);
if (buffer == NULL) {
dev_err(&dev->udev->dev, "out of mem\n");
return -ENOMEM;
}
/* send the stop command */
dprintk(4, "stop acquire %lu\n", chn);
*(u32 *) buffer = IN_DATA_TOKEN;
*((u32 *) buffer + 1) = (u32) chn_rev;
*((u32 *) buffer + 2) = CMD_STOP;
*(__le32 *) buffer = IN_DATA_TOKEN;
*((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev);
*((__le32 *) buffer + 2) = CMD_STOP;
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
if (res != 0)