diff options
author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-03-25 12:19:53 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-03-25 12:29:23 (GMT) |
commit | d56410e0a594150c5ca06319da7bc8901c4d455e (patch) | |
tree | f1462651ac1bcc5cec48219dbb422ac615231423 /drivers/media/video/w9966.c | |
parent | 9f6933be665ce3b049c274c99810ac754edabf19 (diff) | |
download | linux-d56410e0a594150c5ca06319da7bc8901c4d455e.tar.xz |
V4L/DVB (3599b): Whitespace cleanups under drivers/media
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/w9966.c')
-rw-r--r-- | drivers/media/video/w9966.c | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index b7b0aff..80ef8a1 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -26,7 +26,7 @@ Does any other model using the w9966 interface chip exist ? Todo: - + *Add a working EPP mode, since DMA ECP read isn't implemented in the parport drivers. (That's why it's so sloow) @@ -47,9 +47,9 @@ *Probably some bugs that I don't know of Please support me by sending feedback! - + Changes: - + Alan Cox: Removed RGB mode for kernel merge, added THIS_MODULE and owner support for newer module locks */ @@ -204,7 +204,7 @@ static struct video_device w9966_template = { */ -// Set camera phase flags, so we know what to uninit when terminating +// 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) { cam->dev_state = (cam->dev_state & ~mask) ^ val; @@ -233,7 +233,7 @@ static inline void w9966_pdev_release(struct w9966_dev* cam) parport_release(cam->pdev); w9966_setState(cam, W9966_STATE_CLAIMED, 0); } - + // Read register from W9966 interface-chip // Expects a claimed pdev // -1 on error, else register data (byte) @@ -242,7 +242,7 @@ static int w9966_rReg(struct w9966_dev* cam, int reg) // ECP, read, regtransfer, REG, REG, REG, REG, REG const unsigned char addr = 0x80 | (reg & 0x1f); unsigned char val; - + if (parport_negotiate(cam->pport, cam->ppmode | IEEE1284_ADDR) != 0) return -1; if (parport_write(cam->pport, &addr, 1) != 1) @@ -263,7 +263,7 @@ static int w9966_wReg(struct w9966_dev* cam, int reg, int data) // ECP, write, regtransfer, REG, REG, REG, REG, REG const unsigned char addr = 0xc0 | (reg & 0x1f); const unsigned char val = data; - + if (parport_negotiate(cam->pport, cam->ppmode | IEEE1284_ADDR) != 0) return -1; if (parport_write(cam->pport, &addr, 1) != 1) @@ -284,7 +284,7 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port) { if (cam->dev_state != 0) return -1; - + cam->pport = port; cam->brightness = 128; cam->contrast = 64; @@ -302,7 +302,7 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port) cam->ppmode = IEEE1284_MODE_EPP; else cam->ppmode = IEEE1284_MODE_ECP; - break; + break; case 1: // hw- or sw-ecp cam->ppmode = IEEE1284_MODE_ECP; break; @@ -310,7 +310,7 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port) cam->ppmode = IEEE1284_MODE_EPP; break; } - + // Tell the parport driver that we exists cam->pdev = parport_register_device(port, "w9966", NULL, NULL, NULL, 0, NULL); if (cam->pdev == NULL) { @@ -320,7 +320,7 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port) w9966_setState(cam, W9966_STATE_PDEV, W9966_STATE_PDEV); w9966_pdev_claim(cam); - + // Setup a default capture mode if (w9966_setup(cam, 0, 0, 1023, 1023, 200, 160) != 0) { DPRINTF("w9966_setup() failed.\n"); @@ -333,11 +333,11 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port) memcpy(&cam->vdev, &w9966_template, sizeof(struct video_device)); cam->vdev.priv = cam; - if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) == -1) + if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) == -1) return -1; - + w9966_setState(cam, W9966_STATE_VDEV, W9966_STATE_VDEV); - + // All ok printk( "w9966cf: Found and initialized a webcam on %s.\n", @@ -391,7 +391,7 @@ static int w9966_findlen(int near, int size, int maxlen) // Only continue as long as we keep getting better values if (err > besterr) break; - + besterr = err; bestlen = len; } @@ -399,7 +399,7 @@ static int w9966_findlen(int near, int size, int maxlen) return bestlen; } -// Modify capture window (if necessary) +// Modify capture window (if necessary) // and calculate downscaling // Return -1 on error static int w9966_calcscale(int size, int min, int max, int* beg, int* end, unsigned char* factor) @@ -407,7 +407,7 @@ static int w9966_calcscale(int size, int min, int max, int* beg, int* end, unsig int maxlen = max - min; int len = *end - *beg + 1; int newlen = w9966_findlen(len, size, maxlen); - int err = newlen - len; + int err = newlen - len; // Check for bad format if (newlen > maxlen || newlen < size) @@ -452,8 +452,8 @@ static int w9966_setup(struct w9966_dev* cam, int x1, int y1, int x2, int y2, in 0x48, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x71, 0xe7, 0x00, 0x00, 0xc0 }; - - + + if (w*h*2 > W9966_SRAMSIZE) { DPRINTF("capture window exceeds SRAM size!.\n"); @@ -469,9 +469,9 @@ static int w9966_setup(struct w9966_dev* cam, int x1, int y1, int x2, int y2, in cam->width = w; cam->height = h; - enh_s = 0; + enh_s = 0; enh_e = w*h*2; - + // 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 || @@ -482,14 +482,14 @@ static int w9966_setup(struct w9966_dev* cam, int x1, int y1, int x2, int y2, in "%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 ); - + // Setup registers regs[0x00] = 0x00; // Set normal operation regs[0x01] = 0x18; // Capture mode regs[0x02] = scale_y; // V-scaling regs[0x03] = scale_x; // H-scaling - - // Capture window + + // Capture window regs[0x04] = (x1 & 0x0ff); // X-start (8 low bits) regs[0x05] = (x1 & 0x300)>>8; // X-start (2 high bits) regs[0x06] = (y1 & 0x0ff); // Y-start (8 low bits) @@ -499,7 +499,7 @@ static int w9966_setup(struct w9966_dev* cam, int x1, int y1, int x2, int y2, in regs[0x0a] = (y2 & 0x0ff); // Y-end (8 low bits) regs[0x0c] = W9966_SRAMID; // SRAM-banks (1x 128kb) - + // Enhancement layer regs[0x0d] = (enh_s& 0x000ff); // Enh. start (0-7) regs[0x0e] = (enh_s& 0x0ff00)>>8; // Enh. start (8-15) @@ -515,7 +515,7 @@ static int w9966_setup(struct w9966_dev* cam, int x1, int y1, int x2, int y2, in regs[0x19] = 0xff; // I/O port direction control regs[0x1a] = 0xff; // I/O port data register regs[0x1b] = 0x10; // ??? - + // SAA7111 chip settings saa7111_regs[0x0a] = cam->brightness; saa7111_regs[0x0b] = cam->contrast; @@ -551,7 +551,7 @@ static inline void w9966_i2c_setsda(struct w9966_dev* cam, int state) cam->i2c_state |= W9966_I2C_W_DATA; else cam->i2c_state &= ~W9966_I2C_W_DATA; - + w9966_wReg(cam, 0x18, cam->i2c_state); udelay(5); } @@ -577,7 +577,7 @@ static inline int w9966_i2c_setscl(struct w9966_dev* cam, int state) w9966_wReg(cam, 0x18, cam->i2c_state); udelay(5); - + // we go to high, we also expect the peripheral to ack. if (state) { timeout = jiffies + 100; @@ -607,16 +607,16 @@ static int w9966_i2c_wbyte(struct w9966_dev* cam, int data) w9966_i2c_setsda(cam, (data >> i) & 0x01); if (w9966_i2c_setscl(cam, 1) == -1) - return -1; + return -1; w9966_i2c_setscl(cam, 0); } w9966_i2c_setsda(cam, 1); - + if (w9966_i2c_setscl(cam, 1) == -1) return -1; w9966_i2c_setscl(cam, 0); - + return 0; } @@ -626,8 +626,8 @@ static int w9966_i2c_wbyte(struct w9966_dev* cam, int data) static int w9966_i2c_rbyte(struct w9966_dev* cam) { unsigned char data = 0x00; - int i; - + int i; + w9966_i2c_setsda(cam, 1); for (i = 0; i < 8; i++) @@ -637,7 +637,7 @@ static int w9966_i2c_rbyte(struct w9966_dev* cam) data = data << 1; if (w9966_i2c_getsda(cam)) data |= 0x01; - + w9966_i2c_setscl(cam, 0); } return data; @@ -673,11 +673,11 @@ static int w9966_rReg_i2c(struct w9966_dev* cam, int reg) return -1; w9966_i2c_setsda(cam, 0); - + if (w9966_i2c_setscl(cam, 1) == -1) return -1; w9966_i2c_setsda(cam, 1); - + return data; } #endif @@ -699,7 +699,7 @@ static int w9966_wReg_i2c(struct w9966_dev* cam, int reg, int data) w9966_i2c_setsda(cam, 0); if (w9966_i2c_setscl(cam, 1) == -1) return -1; - + w9966_i2c_setsda(cam, 1); return 0; @@ -714,7 +714,7 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, { struct video_device *vdev = video_devdata(file); struct w9966_dev *cam = vdev->priv; - + switch(cmd) { case VIDIOCGCAP: @@ -790,14 +790,14 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, struct video_picture *vpic = arg; if (vpic->depth != 16 || vpic->palette != VIDEO_PALETTE_YUV422) 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_wReg_i2c(cam, 0x0a, cam->brightness) == -1 || w9966_wReg_i2c(cam, 0x0b, cam->contrast) == -1 || @@ -807,7 +807,7 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, w9966_pdev_release(cam); return -EIO; } - + w9966_pdev_release(cam); return 0; } @@ -815,13 +815,13 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, { 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; + return -EINVAL; if (vwin->height < 1 || vwin->height > W9966_WND_MAX_H) return -EINVAL; @@ -829,12 +829,12 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, 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; } - + return 0; } case VIDIOCGWIN: @@ -846,7 +846,7 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, return 0; } // Unimplemented - case VIDIOCCAPTURE: + case VIDIOCCAPTURE: case VIDIOCGFBUF: case VIDIOCSFBUF: case VIDIOCKEY: @@ -877,17 +877,17 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf, unsigned char __user *dest = (unsigned char __user *)buf; unsigned long dleft = count; unsigned char *tbuf; - + // Why would anyone want more than this?? if (count > cam->width * cam->height * 2) 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 - // write special capture-addr and negotiate into data transfer + // 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 )|| @@ -906,7 +906,7 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf, while(dleft > 0) { unsigned long tsize = (dleft > W9966_RBUFFER) ? W9966_RBUFFER : dleft; - + if (parport_read(cam->pport, tbuf, tsize) < tsize) { count = -EFAULT; goto out; @@ -933,7 +933,7 @@ out: static void w9966_attach(struct parport *port) { int i; - + for (i = 0; i < W9966_MAXCAMS; i++) { if (w9966_cams[i].dev_state != 0) // Cam is already assigned |