diff options
Diffstat (limited to 'drivers/media/video')
98 files changed, 1264 insertions, 1266 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index ad9e6f9c22e..bdbc9d30541 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -646,7 +646,7 @@ config VIDEO_PMS config VIDEO_BWQCAM tristate "Quickcam BW Video For Linux" - depends on PARPORT && VIDEO_V4L1 + depends on PARPORT && VIDEO_V4L2 help Say Y have if you the black and white version of the QuickCam camera. See the next option for the color version. @@ -656,7 +656,7 @@ config VIDEO_BWQCAM config VIDEO_CQCAM tristate "QuickCam Colour Video For Linux (EXPERIMENTAL)" - depends on EXPERIMENTAL && PARPORT && VIDEO_V4L1 + depends on EXPERIMENTAL && PARPORT && VIDEO_V4L2 help This is the video4linux driver for the colour version of the Connectix QuickCam. If you have one of these cameras, say Y here, diff --git a/drivers/media/video/ak881x.c b/drivers/media/video/ak881x.c index 35390d4717b..1573392f74b 100644 --- a/drivers/media/video/ak881x.c +++ b/drivers/media/video/ak881x.c @@ -11,6 +11,7 @@ #include <linux/i2c.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/videodev2.h> #include <media/ak881x.h> @@ -141,7 +142,7 @@ static int ak881x_s_mbus_fmt(struct v4l2_subdev *sd, return ak881x_try_g_mbus_fmt(sd, mf); } -static int ak881x_enum_mbus_fmt(struct v4l2_subdev *sd, int index, +static int ak881x_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index, enum v4l2_mbus_pixelcode *code) { if (index) diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c index 3c9e754d73a..935e0c9a967 100644 --- a/drivers/media/video/bw-qcam.c +++ b/drivers/media/video/bw-qcam.c @@ -66,19 +66,58 @@ OTHER DEALINGS IN THE SOFTWARE. #include <linux/delay.h> #include <linux/errno.h> #include <linux/fs.h> -#include <linux/init.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/mm.h> #include <linux/parport.h> #include <linux/sched.h> -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> +#include <linux/version.h> +#include <linux/videodev2.h> #include <linux/mutex.h> #include <asm/uaccess.h> - -#include "bw-qcam.h" +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-device.h> + +/* One from column A... */ +#define QC_NOTSET 0 +#define QC_UNIDIR 1 +#define QC_BIDIR 2 +#define QC_SERIAL 3 + +/* ... and one from column B */ +#define QC_ANY 0x00 +#define QC_FORCE_UNIDIR 0x10 +#define QC_FORCE_BIDIR 0x20 +#define QC_FORCE_SERIAL 0x30 +/* in the port_mode member */ + +#define QC_MODE_MASK 0x07 +#define QC_FORCE_MASK 0x70 + +#define MAX_HEIGHT 243 +#define MAX_WIDTH 336 + +/* Bit fields for status flags */ +#define QC_PARAM_CHANGE 0x01 /* Camera status change has occurred */ + +struct qcam { + struct v4l2_device v4l2_dev; + struct video_device vdev; + struct pardevice *pdev; + struct parport *pport; + struct mutex lock; + int width, height; + int bpp; + int mode; + int contrast, brightness, whitebal; + int port_mode; + int transfer_scale; + int top, left; + int status; + unsigned int saved_bits; + unsigned long in_use; +}; static unsigned int maxpoll = 250; /* Maximum busy-loop count for qcam I/O */ static unsigned int yieldlines = 4; /* Yield after this many during capture */ @@ -93,22 +132,26 @@ module_param(video_nr, int, 0); * immediately attempt to initialize qcam */ module_param(force_init, int, 0); -static inline int read_lpstatus(struct qcam_device *q) +#define MAX_CAMS 4 +static struct qcam *qcams[MAX_CAMS]; +static unsigned int num_cams; + +static inline int read_lpstatus(struct qcam *q) { return parport_read_status(q->pport); } -static inline int read_lpdata(struct qcam_device *q) +static inline int read_lpdata(struct qcam *q) { return parport_read_data(q->pport); } -static inline void write_lpdata(struct qcam_device *q, int d) +static inline void write_lpdata(struct qcam *q, int d) { parport_write_data(q->pport, d); } -static inline void write_lpcontrol(struct qcam_device *q, int d) +static void write_lpcontrol(struct qcam *q, int d) { if (d & 0x20) { /* Set bidirectional mode to reverse (data in) */ @@ -124,126 +167,11 @@ static inline void write_lpcontrol(struct qcam_device *q, int d) parport_write_control(q->pport, d); } -static int qc_waithand(struct qcam_device *q, int val); -static int qc_command(struct qcam_device *q, int command); -static int qc_readparam(struct qcam_device *q); -static int qc_setscanmode(struct qcam_device *q); -static int qc_readbytes(struct qcam_device *q, char buffer[]); - -static struct video_device qcam_template; - -static int qc_calibrate(struct qcam_device *q) -{ - /* - * Bugfix by Hanno Mueller hmueller@kabel.de, Mai 21 96 - * The white balance is an individiual value for each - * quickcam. - */ - - int value; - int count = 0; - - qc_command(q, 27); /* AutoAdjustOffset */ - qc_command(q, 0); /* Dummy Parameter, ignored by the camera */ - - /* GetOffset (33) will read 255 until autocalibration */ - /* is finished. After that, a value of 1-254 will be */ - /* returned. */ - - do { - qc_command(q, 33); - value = qc_readparam(q); - mdelay(1); - schedule(); - count++; - } while (value == 0xff && count < 2048); - - q->whitebal = value; - return value; -} - -/* Initialize the QuickCam driver control structure. This is where - * defaults are set for people who don't have a config file.*/ - -static struct qcam_device *qcam_init(struct parport *port) -{ - struct qcam_device *q; - - q = kmalloc(sizeof(struct qcam_device), GFP_KERNEL); - if (q == NULL) - return NULL; - - q->pport = port; - q->pdev = parport_register_device(port, "bw-qcam", NULL, NULL, - NULL, 0, NULL); - if (q->pdev == NULL) { - printk(KERN_ERR "bw-qcam: couldn't register for %s.\n", - port->name); - kfree(q); - return NULL; - } - - memcpy(&q->vdev, &qcam_template, sizeof(qcam_template)); - - mutex_init(&q->lock); - - q->port_mode = (QC_ANY | QC_NOTSET); - q->width = 320; - q->height = 240; - q->bpp = 4; - q->transfer_scale = 2; - q->contrast = 192; - q->brightness = 180; - q->whitebal = 105; - q->top = 1; - q->left = 14; - q->mode = -1; - q->status = QC_PARAM_CHANGE; - return q; -} - - -/* qc_command is probably a bit of a misnomer -- it's used to send - * bytes *to* the camera. Generally, these bytes are either commands - * or arguments to commands, so the name fits, but it still bugs me a - * bit. See the documentation for a list of commands. */ - -static int qc_command(struct qcam_device *q, int command) -{ - int n1, n2; - int cmd; - - write_lpdata(q, command); - write_lpcontrol(q, 6); - - n1 = qc_waithand(q, 1); - - write_lpcontrol(q, 0xe); - n2 = qc_waithand(q, 0); - - cmd = (n1 & 0xf0) | ((n2 & 0xf0) >> 4); - return cmd; -} - -static int qc_readparam(struct qcam_device *q) -{ - int n1, n2; - int cmd; - - write_lpcontrol(q, 6); - n1 = qc_waithand(q, 1); - - write_lpcontrol(q, 0xe); - n2 = qc_waithand(q, 0); - - cmd = (n1 & 0xf0) | ((n2 & 0xf0) >> 4); - return cmd; -} /* qc_waithand busy-waits for a handshake signal from the QuickCam. * Almost all communication with the camera requires handshaking. */ -static int qc_waithand(struct qcam_device *q, int val) +static int qc_waithand(struct qcam *q, int val) { int status; int runs = 0; @@ -286,7 +214,7 @@ static int qc_waithand(struct qcam_device *q, int val) * (bit 3 of status register). It also returns the last value read, * since this data is useful. */ -static unsigned int qc_waithand2(struct qcam_device *q, int val) +static unsigned int qc_waithand2(struct qcam *q, int val) { unsigned int status; int runs = 0; @@ -309,6 +237,43 @@ static unsigned int qc_waithand2(struct qcam_device *q, int val) return status; } +/* qc_command is probably a bit of a misnomer -- it's used to send + * bytes *to* the camera. Generally, these bytes are either commands + * or arguments to commands, so the name fits, but it still bugs me a + * bit. See the documentation for a list of commands. */ + +static int qc_command(struct qcam *q, int command) +{ + int n1, n2; + int cmd; + + write_lpdata(q, command); + write_lpcontrol(q, 6); + + n1 = qc_waithand(q, 1); + + write_lpcontrol(q, 0xe); + n2 = qc_waithand(q, 0); + + cmd = (n1 & 0xf0) | ((n2 & 0xf0) >> 4); + return cmd; +} + +static int qc_readparam(struct qcam *q) +{ + int n1, n2; + int cmd; + + write_lpcontrol(q, 6); + n1 = qc_waithand(q, 1); + + write_lpcontrol(q, 0xe); + n2 = qc_waithand(q, 0); + + cmd = (n1 & 0xf0) | ((n2 & 0xf0) >> 4); + return cmd; +} + /* Try to detect a QuickCam. It appears to flash the upper 4 bits of the status register at 5-10 Hz. This is only used in the autoprobe @@ -317,7 +282,7 @@ static unsigned int qc_waithand2(struct qcam_device *q, int |