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提交 c1f2b0f2 编写于 作者: H Hans Verkuil 提交者： Mauro Carvalho Chehab
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V4L/DVB: w9966: remove camelCase 

Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 271922c0
隐藏空白更改
内联 并排
Showing with 168 addition and 168 deletion
drivers/media/video/w9966.c
浏览文件 @ c1f2b0f2
......@@ -133,9 +133,9 @@ static const char *pardev[] = {[0 ... W9966_MAXCAMS] = "aggressive"};
#endif
module_param_array(pardev, charp, NULL, 0);
MODULE_PARM_DESC(pardev, "pardev: where to search for\n"
"\teach camera. 'aggressive' means brute-force search.\n"
"\tEg: >pardev=parport3,aggressive,parport2,parport1< would assign\n"
"\tcam 1 to parport3 and search every parport for cam 2 etc...");
"\teach camera. 'aggressive' means brute-force search.\n"
"\tEg: >pardev=parport3,aggressive,parport2,parport1< would assign\n"
"\tcam 1 to parport3 and search every parport for cam 2 etc...");
static int parmode;
module_param(parmode, int, 0);
......@@ -152,13 +152,13 @@ static struct w9966_dev w9966_cams[W9966_MAXCAMS];
/* Set camera phase flags, so we know what to uninit when terminating */
static inline void w9966_setState(struct w9966_dev *cam, int mask, int val)
static inline void w9966_set_state(struct w9966_dev *cam, int mask, int val)
{
cam->dev_state = (cam->dev_state & ~mask) ^ val;
}
/* Get camera phase flags */
static inline int w9966_getState(struct w9966_dev *cam, int mask, int val)
static inline int w9966_get_state(struct w9966_dev *cam, int mask, int val)
{
return ((cam->dev_state & mask) == val);
}
......@@ -166,25 +166,25 @@ static inline int w9966_getState(struct w9966_dev *cam, int mask, int val)
/* Claim parport for ourself */
static void w9966_pdev_claim(struct w9966_dev *cam)
{
if (w9966_getState(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED))
if (w9966_get_state(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED))
return;
parport_claim_or_block(cam->pdev);
w9966_setState(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED);
w9966_set_state(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED);
}
/* Release parport for others to use */
static void w9966_pdev_release(struct w9966_dev *cam)
{
if (w9966_getState(cam, W9966_STATE_CLAIMED, 0))
if (w9966_get_state(cam, W9966_STATE_CLAIMED, 0))
return;
parport_release(cam->pdev);
w9966_setState(cam, W9966_STATE_CLAIMED, 0);
w9966_set_state(cam, W9966_STATE_CLAIMED, 0);
}
/* Read register from W9966 interface-chip
Expects a claimed pdev
-1 on error, else register data (byte) */
static int w9966_rReg(struct w9966_dev *cam, int reg)
static int w9966_read_reg(struct w9966_dev *cam, int reg)
{
/* ECP, read, regtransfer, REG, REG, REG, REG, REG */
const unsigned char addr = 0x80 | (reg & 0x1f);
......@@ -205,7 +205,7 @@ static int w9966_rReg(struct w9966_dev *cam, int reg)
/* Write register to W9966 interface-chip
Expects a claimed pdev
-1 on error */
static int w9966_wReg(struct w9966_dev *cam, int reg, int data)
static int w9966_write_reg(struct w9966_dev *cam, int reg, int data)
{
/* ECP, write, regtransfer, REG, REG, REG, REG, REG */
const unsigned char addr = 0xc0 | (reg & 0x1f);
......@@ -236,7 +236,7 @@ static void w9966_i2c_setsda(struct w9966_dev *cam, int state)
else
cam->i2c_state &= ~W9966_I2C_W_DATA;
w9966_wReg(cam, 0x18, cam->i2c_state);
w9966_write_reg(cam, 0x18, cam->i2c_state);
udelay(5);
}
......@@ -244,7 +244,7 @@ static void w9966_i2c_setsda(struct w9966_dev *cam, int state)
Expects a claimed pdev. */
static int w9966_i2c_getscl(struct w9966_dev *cam)
{
const unsigned char state = w9966_rReg(cam, 0x18);
const unsigned char state = w9966_read_reg(cam, 0x18);
return ((state & W9966_I2C_R_CLOCK) > 0);
}
......@@ -259,7 +259,7 @@ static int w9966_i2c_setscl(struct w9966_dev *cam, int state)
else
cam->i2c_state &= ~W9966_I2C_W_CLOCK;
w9966_wReg(cam, 0x18, cam->i2c_state);
w9966_write_reg(cam, 0x18, cam->i2c_state);
udelay(5);
/* we go to high, we also expect the peripheral to ack. */
......@@ -278,7 +278,7 @@ static int w9966_i2c_setscl(struct w9966_dev *cam, int state)
Expects a claimed pdev. */
static int w9966_i2c_getsda(struct w9966_dev *cam)
{
const unsigned char state = w9966_rReg(cam, 0x18);
const unsigned char state = w9966_read_reg(cam, 0x18);
return ((state & W9966_I2C_R_DATA) > 0);
}
#endif
......@@ -332,7 +332,7 @@ static int w9966_i2c_rbyte(struct w9966_dev *cam)
/* Read a register from the i2c device.
Expects claimed pdev. -1 on error */
#if 0
static int w9966_rReg_i2c(struct w9966_dev *cam, int reg)
static int w9966_read_reg_i2c(struct w9966_dev *cam, int reg)
{
int data;
......@@ -367,14 +367,14 @@ static int w9966_rReg_i2c(struct w9966_dev *cam, int reg)
/* Write a register to the i2c device.
Expects claimed pdev. -1 on error */
static int w9966_wReg_i2c(struct w9966_dev *cam, int reg, int data)
static int w9966_write_reg_i2c(struct w9966_dev *cam, int reg, int data)
{
w9966_i2c_setsda(cam, 0);
w9966_i2c_setscl(cam, 0);
if (w9966_i2c_wbyte(cam, W9966_I2C_W_ID) == -1 ||
w9966_i2c_wbyte(cam, reg) == -1 ||
w9966_i2c_wbyte(cam, data) == -1)
w9966_i2c_wbyte(cam, reg) == -1 ||
w9966_i2c_wbyte(cam, data) == -1)
return -1;
w9966_i2c_setsda(cam, 0);
......@@ -489,15 +489,15 @@ static int w9966_setup(struct w9966_dev *cam, int x1, int y1, int x2, int y2, in
enh_s = 0;
enh_e = w * h * 2;
/* Modify capture window if necessary and calculate downscaling */
/* Modify capture window if necessary and calculate downscaling */
if (w9966_calcscale(w, W9966_WND_MIN_X, W9966_WND_MAX_X, &x1, &x2, &scale_x) != 0 ||
w9966_calcscale(h, W9966_WND_MIN_Y, W9966_WND_MAX_Y, &y1, &y2, &scale_y) != 0)
w9966_calcscale(h, W9966_WND_MIN_Y, W9966_WND_MAX_Y, &y1, &y2, &scale_y) != 0)
return -1;
DPRINTF("%dx%d, x: %d<->%d, y: %d<->%d, sx: %d/64, sy: %d/64.\n",
w, h, x1, x2, y1, y2, scale_x & ~0x80, scale_y & ~0x80);
w, h, x1, x2, y1, y2, scale_x & ~0x80, scale_y & ~0x80);
/* Setup registers */
/* Setup registers */
regs[0x00] = 0x00; /* Set normal operation */
regs[0x01] = 0x18; /* Capture mode */
regs[0x02] = scale_y; /* V-scaling */
......@@ -536,18 +536,18 @@ static int w9966_setup(struct w9966_dev *cam, int x1, int y1, int x2, int y2, in
saa7111_regs[0x0c] = cam->color;
saa7111_regs[0x0d] = cam->hue;
/* Reset (ECP-fifo & serial-bus) */
if (w9966_wReg(cam, 0x00, 0x03) == -1)
/* Reset (ECP-fifo & serial-bus) */
if (w9966_write_reg(cam, 0x00, 0x03) == -1)
return -1;
/* Write regs to w9966cf chip */
/* Write regs to w9966cf chip */
for (i = 0; i < 0x1c; i++)
if (w9966_wReg(cam, i, regs[i]) == -1)
if (w9966_write_reg(cam, i, regs[i]) == -1)
return -1;
/* Write regs to saa7111 chip */
/* Write regs to saa7111 chip */
for (i = 0; i < 0x20; i++)
if (w9966_wReg_i2c(cam, i, saa7111_regs[i]) == -1)
if (w9966_write_reg_i2c(cam, i, saa7111_regs[i]) == -1)
return -1;
return 0;
......@@ -563,134 +563,134 @@ static long w9966_v4l_do_ioctl(struct file *file, unsigned int cmd, void *arg)
switch (cmd) {
case VIDIOCGCAP:
{
static struct video_capability vcap = {
.name = W9966_DRIVERNAME,
.type = VID_TYPE_CAPTURE | VID_TYPE_SCALES,
.channels = 1,
.maxwidth = W9966_WND_MAX_W,
.maxheight = W9966_WND_MAX_H,
.minwidth = 2,
.minheight = 1,
};
struct video_capability *cap = arg;
*cap = vcap;
return 0;
}
{
static struct video_capability vcap = {
.name = W9966_DRIVERNAME,
.type = VID_TYPE_CAPTURE | VID_TYPE_SCALES,
.channels = 1,
.maxwidth = W9966_WND_MAX_W,
.maxheight = W9966_WND_MAX_H,
.minwidth = 2,
.minheight = 1,
};
struct video_capability *cap = arg;
*cap = vcap;
return 0;
}
case VIDIOCGCHAN:
{
struct video_channel *vch = arg;
if (vch->channel != 0) /* We only support one channel (#0) */
return -EINVAL;
memset(vch, 0, sizeof(*vch));
strcpy(vch->name, "CCD-input");
vch->type = VIDEO_TYPE_CAMERA;
return 0;
}
{
struct video_channel *vch = arg;
if (vch->channel != 0) /* We only support one channel (#0) */
return -EINVAL;
memset(vch, 0, sizeof(*vch));
strcpy(vch->name, "CCD-input");
vch->type = VIDEO_TYPE_CAMERA;
return 0;
}
case VIDIOCSCHAN:
{
struct video_channel *vch = arg;
if (vch->channel != 0)
return -EINVAL;
return 0;
}
{
struct video_channel *vch = arg;
if (vch->channel != 0)
return -EINVAL;
return 0;
}
case VIDIOCGTUNER:
{
struct video_tuner *vtune = arg;
if (vtune->tuner != 0)
return -EINVAL;
strcpy(vtune->name, "no tuner");
vtune->rangelow = 0;
vtune->rangehigh = 0;
vtune->flags = VIDEO_TUNER_NORM;
vtune->mode = VIDEO_MODE_AUTO;
vtune->signal = 0xffff;
return 0;
}
{
struct video_tuner *vtune = arg;
if (vtune->tuner != 0)
return -EINVAL;
strcpy(vtune->name, "no tuner");
vtune->rangelow = 0;
vtune->rangehigh = 0;
vtune->flags = VIDEO_TUNER_NORM;
vtune->mode = VIDEO_MODE_AUTO;
vtune->signal = 0xffff;
return 0;
}
case VIDIOCSTUNER:
{
struct video_tuner *vtune = arg;
if (vtune->tuner != 0)
return -EINVAL;
if (vtune->mode != VIDEO_MODE_AUTO)
return -EINVAL;
return 0;
}
{
struct video_tuner *vtune = arg;
if (vtune->tuner != 0)
return -EINVAL;
if (vtune->mode != VIDEO_MODE_AUTO)
return -EINVAL;
return 0;
}
case VIDIOCGPICT:
{
struct video_picture vpic = {
cam->brightness << 8, /* brightness */
(cam->hue + 128) << 8, /* hue */
cam->color << 9, /* color */
cam->contrast << 9, /* contrast */
0x8000, /* whiteness */
16, VIDEO_PALETTE_YUV422/* bpp, palette format */
};
struct video_picture *pic = arg;
*pic = vpic;
return 0;
}
{
struct video_picture vpic = {
cam->brightness << 8, /* brightness */
(cam->hue + 128) << 8, /* hue */
cam->color << 9, /* color */
cam->contrast << 9, /* contrast */
0x8000, /* whiteness */
16, VIDEO_PALETTE_YUV422/* bpp, palette format */
};
struct video_picture *pic = arg;
*pic = vpic;
return 0;
}
case VIDIOCSPICT:
{
struct video_picture *vpic = arg;
if (vpic->depth != 16 || (vpic->palette != VIDEO_PALETTE_YUV422 && vpic->palette != VIDEO_PALETTE_YUYV))
return -EINVAL;
cam->brightness = vpic->brightness >> 8;
cam->hue = (vpic->hue >> 8) - 128;
cam->color = vpic->colour >> 9;
cam->contrast = vpic->contrast >> 9;
{
struct video_picture *vpic = arg;
if (vpic->depth != 16 || (vpic->palette != VIDEO_PALETTE_YUV422 && vpic->palette != VIDEO_PALETTE_YUYV))
return -EINVAL;
cam->brightness = vpic->brightness >> 8;
cam->hue = (vpic->hue >> 8) - 128;
cam->color = vpic->colour >> 9;
cam->contrast = vpic->contrast >> 9;
w9966_pdev_claim(cam);
if (
w9966_write_reg_i2c(cam, 0x0a, cam->brightness) == -1 ||
w9966_write_reg_i2c(cam, 0x0b, cam->contrast) == -1 ||
w9966_write_reg_i2c(cam, 0x0c, cam->color) == -1 ||
w9966_write_reg_i2c(cam, 0x0d, cam->hue) == -1
) {
w9966_pdev_release(cam);
return -EIO;
}
w9966_pdev_claim(cam);
if (
w9966_wReg_i2c(cam, 0x0a, cam->brightness) == -1 ||
w9966_wReg_i2c(cam, 0x0b, cam->contrast) == -1 ||
w9966_wReg_i2c(cam, 0x0c, cam->color) == -1 ||
w9966_wReg_i2c(cam, 0x0d, cam->hue) == -1
) {
w9966_pdev_release(cam);
return -EIO;
return 0;
}
w9966_pdev_release(cam);
return 0;
}
case VIDIOCSWIN:
{
int ret;
struct video_window *vwin = arg;
if (vwin->flags != 0)
return -EINVAL;
if (vwin->clipcount != 0)
return -EINVAL;
if (vwin->width < 2 || vwin->width > W9966_WND_MAX_W)
return -EINVAL;
if (vwin->height < 1 || vwin->height > W9966_WND_MAX_H)
return -EINVAL;
/* Update camera regs */
w9966_pdev_claim(cam);
ret = w9966_setup(cam, 0, 0, 1023, 1023, vwin->width, vwin->height);
w9966_pdev_release(cam);
{
int ret;
struct video_window *vwin = arg;
if (vwin->flags != 0)
return -EINVAL;
if (vwin->clipcount != 0)
return -EINVAL;
if (vwin->width < 2 || vwin->width > W9966_WND_MAX_W)
return -EINVAL;
if (vwin->height < 1 || vwin->height > W9966_WND_MAX_H)
return -EINVAL;
/* Update camera regs */
w9966_pdev_claim(cam);
ret = w9966_setup(cam, 0, 0, 1023, 1023, vwin->width, vwin->height);
w9966_pdev_release(cam);
if (ret != 0) {
DPRINTF("VIDIOCSWIN: w9966_setup() failed.\n");
return -EIO;
}
if (ret != 0) {
DPRINTF("VIDIOCSWIN: w9966_setup() failed.\n");
return -EIO;
}
return 0;
}
return 0;
}
case VIDIOCGWIN:
{
struct video_window *vwin = arg;
memset(vwin, 0, sizeof(*vwin));
vwin->width = cam->width;
vwin->height = cam->height;
return 0;
}
/* Unimplemented */
{
struct video_window *vwin = arg;
memset(vwin, 0, sizeof(*vwin));
vwin->width = cam->width;
vwin->height = cam->height;
return 0;
}
/* Unimplemented */
case VIDIOCCAPTURE:
case VIDIOCGFBUF:
case VIDIOCSFBUF:
......@@ -707,14 +707,14 @@ static long w9966_v4l_do_ioctl(struct file *file, unsigned int cmd, void *arg)
}
static long w9966_v4l_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
unsigned int cmd, unsigned long arg)
{
return video_usercopy(file, cmd, arg, w9966_v4l_do_ioctl);
}
/* Capture data */
static ssize_t w9966_v4l_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
size_t count, loff_t *ppos)
{
struct w9966_dev *cam = video_drvdata(file);
unsigned char addr = 0xa0; /* ECP, read, CCD-transfer, 00000 */
......@@ -727,14 +727,14 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf,
return -EINVAL;
w9966_pdev_claim(cam);
w9966_wReg(cam, 0x00, 0x02); /* Reset ECP-FIFO buffer */
w9966_wReg(cam, 0x00, 0x00); /* Return to normal operation */
w9966_wReg(cam, 0x01, 0x98); /* Enable capture */
w9966_write_reg(cam, 0x00, 0x02); /* Reset ECP-FIFO buffer */
w9966_write_reg(cam, 0x00, 0x00); /* Return to normal operation */
w9966_write_reg(cam, 0x01, 0x98); /* Enable capture */
/* write special capture-addr and negotiate into data transfer */
if ((parport_negotiate(cam->pport, cam->ppmode|IEEE1284_ADDR) != 0) ||
(parport_write(cam->pport, &addr, 1) != 1) ||
(parport_negotiate(cam->pport, cam->ppmode|IEEE1284_DATA) != 0)) {
(parport_write(cam->pport, &addr, 1) != 1) ||
(parport_negotiate(cam->pport, cam->ppmode|IEEE1284_DATA) != 0)) {
w9966_pdev_release(cam);
return -EFAULT;
}
......@@ -760,7 +760,7 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf,
dleft -= tsize;
}
w9966_wReg(cam, 0x01, 0x18); /* Disable capture */
w9966_write_reg(cam, 0x01, 0x18); /* Disable capture */
out:
kfree(tbuf);
......@@ -814,7 +814,7 @@ static int w9966_init(struct w9966_dev *cam, struct parport* port)
cam->color = 64;
cam->hue = 0;
/* Select requested transfer mode */
/* Select requested transfer mode */
switch (parmode) {
default: /* Auto-detect (priority: hw-ecp, hw-epp, sw-ecp) */
case 0:
......@@ -830,20 +830,20 @@ static int w9966_init(struct w9966_dev *cam, struct parport* port)
break;
case 2: /* hw- or sw-epp */
cam->ppmode = IEEE1284_MODE_EPP;
break;
break;
}
/* Tell the parport driver that we exists */
/* Tell the parport driver that we exists */
cam->pdev = parport_register_device(port, "w9966", NULL, NULL, NULL, 0, NULL);
if (cam->pdev == NULL) {
DPRINTF("parport_register_device() failed\n");
return -1;
}
w9966_setState(cam, W9966_STATE_PDEV, W9966_STATE_PDEV);
w9966_set_state(cam, W9966_STATE_PDEV, W9966_STATE_PDEV);
w9966_pdev_claim(cam);
/* Setup a default capture mode */
/* Setup a default capture mode */
if (w9966_setup(cam, 0, 0, 1023, 1023, 200, 160) != 0) {
DPRINTF("w9966_setup() failed.\n");
return -1;
......@@ -851,18 +851,18 @@ static int w9966_init(struct w9966_dev *cam, struct parport* port)
w9966_pdev_release(cam);
/* Fill in the video_device struct and register us to v4l */
/* Fill in the video_device struct and register us to v4l */
memcpy(&cam->vdev, &w9966_template, sizeof(struct video_device));
video_set_drvdata(&cam->vdev, cam);
if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) < 0)
return -1;
w9966_setState(cam, W9966_STATE_VDEV, W9966_STATE_VDEV);
w9966_set_state(cam, W9966_STATE_VDEV, W9966_STATE_VDEV);
/* All ok */
printk(KERN_INFO "w9966cf: Found and initialized a webcam on %s.\n",
cam->pport->name);
cam->pport->name);
return 0;
}
......@@ -870,23 +870,23 @@ static int w9966_init(struct w9966_dev *cam, struct parport* port)
/* Terminate everything gracefully */
static void w9966_term(struct w9966_dev *cam)
{
/* Unregister from v4l */
if (w9966_getState(cam, W9966_STATE_VDEV, W9966_STATE_VDEV)) {
/* Unregister from v4l */
if (w9966_get_state(cam, W9966_STATE_VDEV, W9966_STATE_VDEV)) {
video_unregister_device(&cam->vdev);
w9966_setState(cam, W9966_STATE_VDEV, 0);
w9966_set_state(cam, W9966_STATE_VDEV, 0);
}
/* Terminate from IEEE1284 mode and release pdev block */
if (w9966_getState(cam, W9966_STATE_PDEV, W9966_STATE_PDEV)) {
/* Terminate from IEEE1284 mode and release pdev block */
if (w9966_get_state(cam, W9966_STATE_PDEV, W9966_STATE_PDEV)) {
w9966_pdev_claim(cam);
parport_negotiate(cam->pport, IEEE1284_MODE_COMPAT);
w9966_pdev_release(cam);
}
/* Unregister from parport */
if (w9966_getState(cam, W9966_STATE_PDEV, W9966_STATE_PDEV)) {
/* Unregister from parport */
if (w9966_get_state(cam, W9966_STATE_PDEV, W9966_STATE_PDEV)) {
parport_unregister_device(cam->pdev);
w9966_setState(cam, W9966_STATE_PDEV, 0);
w9966_set_state(cam, W9966_STATE_PDEV, 0);
}
}
......
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