mirror of https://gitee.com/openkylin/linux.git
V4L/DVB: w9966: remove camelCase
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
271922c0ce
commit
c1f2b0f29e
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@ -133,9 +133,9 @@ static const char *pardev[] = {[0 ... W9966_MAXCAMS] = "aggressive"};
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#endif
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module_param_array(pardev, charp, NULL, 0);
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MODULE_PARM_DESC(pardev, "pardev: where to search for\n"
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"\teach camera. 'aggressive' means brute-force search.\n"
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"\tEg: >pardev=parport3,aggressive,parport2,parport1< would assign\n"
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"\tcam 1 to parport3 and search every parport for cam 2 etc...");
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"\teach camera. 'aggressive' means brute-force search.\n"
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"\tEg: >pardev=parport3,aggressive,parport2,parport1< would assign\n"
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"\tcam 1 to parport3 and search every parport for cam 2 etc...");
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static int parmode;
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module_param(parmode, int, 0);
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@ -152,13 +152,13 @@ static struct w9966_dev w9966_cams[W9966_MAXCAMS];
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/* Set camera phase flags, so we know what to uninit when terminating */
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static inline void w9966_setState(struct w9966_dev *cam, int mask, int val)
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static inline void w9966_set_state(struct w9966_dev *cam, int mask, int val)
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{
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cam->dev_state = (cam->dev_state & ~mask) ^ val;
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}
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/* Get camera phase flags */
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static inline int w9966_getState(struct w9966_dev *cam, int mask, int val)
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static inline int w9966_get_state(struct w9966_dev *cam, int mask, int val)
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{
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return ((cam->dev_state & mask) == val);
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}
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@ -166,25 +166,25 @@ static inline int w9966_getState(struct w9966_dev *cam, int mask, int val)
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/* Claim parport for ourself */
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static void w9966_pdev_claim(struct w9966_dev *cam)
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{
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if (w9966_getState(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED))
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if (w9966_get_state(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED))
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return;
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parport_claim_or_block(cam->pdev);
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w9966_setState(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED);
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w9966_set_state(cam, W9966_STATE_CLAIMED, W9966_STATE_CLAIMED);
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}
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/* Release parport for others to use */
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static void w9966_pdev_release(struct w9966_dev *cam)
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{
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if (w9966_getState(cam, W9966_STATE_CLAIMED, 0))
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if (w9966_get_state(cam, W9966_STATE_CLAIMED, 0))
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return;
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parport_release(cam->pdev);
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w9966_setState(cam, W9966_STATE_CLAIMED, 0);
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w9966_set_state(cam, W9966_STATE_CLAIMED, 0);
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}
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/* Read register from W9966 interface-chip
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Expects a claimed pdev
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-1 on error, else register data (byte) */
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static int w9966_rReg(struct w9966_dev *cam, int reg)
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static int w9966_read_reg(struct w9966_dev *cam, int reg)
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{
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/* ECP, read, regtransfer, REG, REG, REG, REG, REG */
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const unsigned char addr = 0x80 | (reg & 0x1f);
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@ -205,7 +205,7 @@ static int w9966_rReg(struct w9966_dev *cam, int reg)
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/* Write register to W9966 interface-chip
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Expects a claimed pdev
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-1 on error */
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static int w9966_wReg(struct w9966_dev *cam, int reg, int data)
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static int w9966_write_reg(struct w9966_dev *cam, int reg, int data)
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{
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/* ECP, write, regtransfer, REG, REG, REG, REG, REG */
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const unsigned char addr = 0xc0 | (reg & 0x1f);
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@ -236,7 +236,7 @@ static void w9966_i2c_setsda(struct w9966_dev *cam, int state)
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else
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cam->i2c_state &= ~W9966_I2C_W_DATA;
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w9966_wReg(cam, 0x18, cam->i2c_state);
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w9966_write_reg(cam, 0x18, cam->i2c_state);
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udelay(5);
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}
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@ -244,7 +244,7 @@ static void w9966_i2c_setsda(struct w9966_dev *cam, int state)
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Expects a claimed pdev. */
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static int w9966_i2c_getscl(struct w9966_dev *cam)
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{
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const unsigned char state = w9966_rReg(cam, 0x18);
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const unsigned char state = w9966_read_reg(cam, 0x18);
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return ((state & W9966_I2C_R_CLOCK) > 0);
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}
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@ -259,7 +259,7 @@ static int w9966_i2c_setscl(struct w9966_dev *cam, int state)
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else
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cam->i2c_state &= ~W9966_I2C_W_CLOCK;
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w9966_wReg(cam, 0x18, cam->i2c_state);
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w9966_write_reg(cam, 0x18, cam->i2c_state);
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udelay(5);
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/* we go to high, we also expect the peripheral to ack. */
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@ -278,7 +278,7 @@ static int w9966_i2c_setscl(struct w9966_dev *cam, int state)
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Expects a claimed pdev. */
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static int w9966_i2c_getsda(struct w9966_dev *cam)
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{
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const unsigned char state = w9966_rReg(cam, 0x18);
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const unsigned char state = w9966_read_reg(cam, 0x18);
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return ((state & W9966_I2C_R_DATA) > 0);
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}
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#endif
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@ -332,7 +332,7 @@ static int w9966_i2c_rbyte(struct w9966_dev *cam)
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/* Read a register from the i2c device.
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Expects claimed pdev. -1 on error */
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#if 0
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static int w9966_rReg_i2c(struct w9966_dev *cam, int reg)
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static int w9966_read_reg_i2c(struct w9966_dev *cam, int reg)
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{
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int data;
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@ -367,14 +367,14 @@ static int w9966_rReg_i2c(struct w9966_dev *cam, int reg)
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/* Write a register to the i2c device.
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Expects claimed pdev. -1 on error */
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static int w9966_wReg_i2c(struct w9966_dev *cam, int reg, int data)
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static int w9966_write_reg_i2c(struct w9966_dev *cam, int reg, int data)
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{
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w9966_i2c_setsda(cam, 0);
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w9966_i2c_setscl(cam, 0);
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if (w9966_i2c_wbyte(cam, W9966_I2C_W_ID) == -1 ||
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w9966_i2c_wbyte(cam, reg) == -1 ||
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w9966_i2c_wbyte(cam, data) == -1)
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w9966_i2c_wbyte(cam, reg) == -1 ||
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w9966_i2c_wbyte(cam, data) == -1)
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return -1;
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w9966_i2c_setsda(cam, 0);
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@ -489,15 +489,15 @@ static int w9966_setup(struct w9966_dev *cam, int x1, int y1, int x2, int y2, in
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enh_s = 0;
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enh_e = w * h * 2;
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/* Modify capture window if necessary and calculate downscaling */
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/* Modify capture window if necessary and calculate downscaling */
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if (w9966_calcscale(w, W9966_WND_MIN_X, W9966_WND_MAX_X, &x1, &x2, &scale_x) != 0 ||
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w9966_calcscale(h, W9966_WND_MIN_Y, W9966_WND_MAX_Y, &y1, &y2, &scale_y) != 0)
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w9966_calcscale(h, W9966_WND_MIN_Y, W9966_WND_MAX_Y, &y1, &y2, &scale_y) != 0)
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return -1;
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DPRINTF("%dx%d, x: %d<->%d, y: %d<->%d, sx: %d/64, sy: %d/64.\n",
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w, h, x1, x2, y1, y2, scale_x & ~0x80, scale_y & ~0x80);
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w, h, x1, x2, y1, y2, scale_x & ~0x80, scale_y & ~0x80);
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/* Setup registers */
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/* Setup registers */
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regs[0x00] = 0x00; /* Set normal operation */
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regs[0x01] = 0x18; /* Capture mode */
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regs[0x02] = scale_y; /* V-scaling */
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@ -536,18 +536,18 @@ static int w9966_setup(struct w9966_dev *cam, int x1, int y1, int x2, int y2, in
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saa7111_regs[0x0c] = cam->color;
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saa7111_regs[0x0d] = cam->hue;
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/* Reset (ECP-fifo & serial-bus) */
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if (w9966_wReg(cam, 0x00, 0x03) == -1)
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/* Reset (ECP-fifo & serial-bus) */
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if (w9966_write_reg(cam, 0x00, 0x03) == -1)
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return -1;
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/* Write regs to w9966cf chip */
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/* Write regs to w9966cf chip */
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for (i = 0; i < 0x1c; i++)
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if (w9966_wReg(cam, i, regs[i]) == -1)
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if (w9966_write_reg(cam, i, regs[i]) == -1)
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return -1;
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/* Write regs to saa7111 chip */
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/* Write regs to saa7111 chip */
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for (i = 0; i < 0x20; i++)
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if (w9966_wReg_i2c(cam, i, saa7111_regs[i]) == -1)
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if (w9966_write_reg_i2c(cam, i, saa7111_regs[i]) == -1)
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return -1;
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return 0;
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@ -563,134 +563,134 @@ static long w9966_v4l_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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switch (cmd) {
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case VIDIOCGCAP:
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{
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static struct video_capability vcap = {
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.name = W9966_DRIVERNAME,
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.type = VID_TYPE_CAPTURE | VID_TYPE_SCALES,
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.channels = 1,
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.maxwidth = W9966_WND_MAX_W,
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.maxheight = W9966_WND_MAX_H,
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.minwidth = 2,
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.minheight = 1,
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};
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struct video_capability *cap = arg;
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*cap = vcap;
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return 0;
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}
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{
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static struct video_capability vcap = {
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.name = W9966_DRIVERNAME,
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.type = VID_TYPE_CAPTURE | VID_TYPE_SCALES,
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.channels = 1,
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.maxwidth = W9966_WND_MAX_W,
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.maxheight = W9966_WND_MAX_H,
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.minwidth = 2,
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.minheight = 1,
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};
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struct video_capability *cap = arg;
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*cap = vcap;
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return 0;
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}
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case VIDIOCGCHAN:
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{
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struct video_channel *vch = arg;
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if (vch->channel != 0) /* We only support one channel (#0) */
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return -EINVAL;
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memset(vch, 0, sizeof(*vch));
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strcpy(vch->name, "CCD-input");
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vch->type = VIDEO_TYPE_CAMERA;
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return 0;
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}
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{
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struct video_channel *vch = arg;
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if (vch->channel != 0) /* We only support one channel (#0) */
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return -EINVAL;
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memset(vch, 0, sizeof(*vch));
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strcpy(vch->name, "CCD-input");
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vch->type = VIDEO_TYPE_CAMERA;
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return 0;
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}
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case VIDIOCSCHAN:
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{
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struct video_channel *vch = arg;
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if (vch->channel != 0)
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return -EINVAL;
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return 0;
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}
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{
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struct video_channel *vch = arg;
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if (vch->channel != 0)
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return -EINVAL;
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return 0;
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}
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case VIDIOCGTUNER:
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{
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struct video_tuner *vtune = arg;
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if (vtune->tuner != 0)
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return -EINVAL;
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strcpy(vtune->name, "no tuner");
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vtune->rangelow = 0;
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vtune->rangehigh = 0;
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vtune->flags = VIDEO_TUNER_NORM;
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vtune->mode = VIDEO_MODE_AUTO;
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vtune->signal = 0xffff;
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return 0;
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}
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{
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struct video_tuner *vtune = arg;
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if (vtune->tuner != 0)
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return -EINVAL;
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strcpy(vtune->name, "no tuner");
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vtune->rangelow = 0;
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vtune->rangehigh = 0;
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vtune->flags = VIDEO_TUNER_NORM;
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vtune->mode = VIDEO_MODE_AUTO;
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vtune->signal = 0xffff;
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return 0;
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}
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case VIDIOCSTUNER:
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{
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struct video_tuner *vtune = arg;
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if (vtune->tuner != 0)
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return -EINVAL;
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if (vtune->mode != VIDEO_MODE_AUTO)
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return -EINVAL;
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return 0;
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}
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{
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struct video_tuner *vtune = arg;
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if (vtune->tuner != 0)
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return -EINVAL;
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if (vtune->mode != VIDEO_MODE_AUTO)
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return -EINVAL;
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return 0;
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}
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case VIDIOCGPICT:
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{
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struct video_picture vpic = {
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cam->brightness << 8, /* brightness */
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(cam->hue + 128) << 8, /* hue */
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cam->color << 9, /* color */
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cam->contrast << 9, /* contrast */
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0x8000, /* whiteness */
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16, VIDEO_PALETTE_YUV422/* bpp, palette format */
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};
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struct video_picture *pic = arg;
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*pic = vpic;
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return 0;
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}
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{
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struct video_picture vpic = {
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cam->brightness << 8, /* brightness */
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(cam->hue + 128) << 8, /* hue */
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cam->color << 9, /* color */
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cam->contrast << 9, /* contrast */
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0x8000, /* whiteness */
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16, VIDEO_PALETTE_YUV422/* bpp, palette format */
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};
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struct video_picture *pic = arg;
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*pic = vpic;
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return 0;
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}
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case VIDIOCSPICT:
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{
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struct video_picture *vpic = arg;
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if (vpic->depth != 16 || (vpic->palette != VIDEO_PALETTE_YUV422 && vpic->palette != VIDEO_PALETTE_YUYV))
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return -EINVAL;
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{
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struct video_picture *vpic = arg;
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if (vpic->depth != 16 || (vpic->palette != VIDEO_PALETTE_YUV422 && vpic->palette != VIDEO_PALETTE_YUYV))
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return -EINVAL;
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cam->brightness = vpic->brightness >> 8;
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cam->hue = (vpic->hue >> 8) - 128;
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cam->color = vpic->colour >> 9;
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cam->contrast = vpic->contrast >> 9;
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cam->brightness = vpic->brightness >> 8;
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cam->hue = (vpic->hue >> 8) - 128;
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cam->color = vpic->colour >> 9;
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cam->contrast = vpic->contrast >> 9;
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w9966_pdev_claim(cam);
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w9966_pdev_claim(cam);
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if (
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w9966_write_reg_i2c(cam, 0x0a, cam->brightness) == -1 ||
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w9966_write_reg_i2c(cam, 0x0b, cam->contrast) == -1 ||
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w9966_write_reg_i2c(cam, 0x0c, cam->color) == -1 ||
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w9966_write_reg_i2c(cam, 0x0d, cam->hue) == -1
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) {
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w9966_pdev_release(cam);
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return -EIO;
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}
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if (
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w9966_wReg_i2c(cam, 0x0a, cam->brightness) == -1 ||
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w9966_wReg_i2c(cam, 0x0b, cam->contrast) == -1 ||
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w9966_wReg_i2c(cam, 0x0c, cam->color) == -1 ||
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w9966_wReg_i2c(cam, 0x0d, cam->hue) == -1
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) {
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w9966_pdev_release(cam);
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return -EIO;
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return 0;
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}
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w9966_pdev_release(cam);
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return 0;
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}
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case VIDIOCSWIN:
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{
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int ret;
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struct video_window *vwin = arg;
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{
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int ret;
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struct video_window *vwin = arg;
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if (vwin->flags != 0)
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return -EINVAL;
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if (vwin->clipcount != 0)
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return -EINVAL;
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if (vwin->width < 2 || vwin->width > W9966_WND_MAX_W)
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return -EINVAL;
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if (vwin->height < 1 || vwin->height > W9966_WND_MAX_H)
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return -EINVAL;
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if (vwin->flags != 0)
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return -EINVAL;
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if (vwin->clipcount != 0)
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return -EINVAL;
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if (vwin->width < 2 || vwin->width > W9966_WND_MAX_W)
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return -EINVAL;
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if (vwin->height < 1 || vwin->height > W9966_WND_MAX_H)
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return -EINVAL;
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/* Update camera regs */
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w9966_pdev_claim(cam);
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ret = w9966_setup(cam, 0, 0, 1023, 1023, vwin->width, vwin->height);
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w9966_pdev_release(cam);
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/* Update camera regs */
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w9966_pdev_claim(cam);
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ret = w9966_setup(cam, 0, 0, 1023, 1023, vwin->width, vwin->height);
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w9966_pdev_release(cam);
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if (ret != 0) {
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DPRINTF("VIDIOCSWIN: w9966_setup() failed.\n");
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return -EIO;
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if (ret != 0) {
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||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue