e48a9c6283
Adds a usbvideo driver for the Logitech Quickcam Messenger USB webcam. Signed-off-by: Jaya Kumar <jayakumar.video@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
127 lines
2.3 KiB
C
127 lines
2.3 KiB
C
#ifndef quickcam_messenger_h
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#define quickcam_messenger_h
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#ifndef CONFIG_INPUT
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/* if we're not using input we dummy out these functions */
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#define qcm_register_input(...)
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#define qcm_unregister_input(...)
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#define qcm_report_buttonstat(...)
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#define qcm_setup_input_int(...) 0
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#define qcm_stop_int_data(...)
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#define qcm_alloc_int_urb(...) 0
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#define qcm_free_int(...)
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#endif
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#define CHECK_RET(ret, expr) \
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if ((ret = expr) < 0) return ret
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/* Control Registers for the STVV6422 ASIC
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* - this define is taken from the qc-usb-messenger code
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*/
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#define STV_ISO_ENABLE 0x1440
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#define ISOC_PACKET_SIZE 1023
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/* Chip identification number including revision indicator */
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#define CMOS_SENSOR_IDREV 0xE00A
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struct rgb {
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u8 b;
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u8 g;
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u8 r;
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u8 b2;
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u8 g2;
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u8 r2;
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};
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struct bayL0 {
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#ifdef __BIG_ENDIAN
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u8 r;
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u8 g;
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#elif __LITTLE_ENDIAN
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u8 g;
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u8 r;
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#else
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#error not byte order defined
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#endif
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};
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struct bayL1 {
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#ifdef __BIG_ENDIAN
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u8 g;
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u8 b;
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#elif __LITTLE_ENDIAN
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u8 b;
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u8 g;
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#else
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#error not byte order defined
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#endif
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};
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struct cam_size {
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u16 width;
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u16 height;
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u8 cmd;
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};
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static const struct cam_size camera_sizes[] = {
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{ 160, 120, 0xf },
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{ 320, 240, 0x2 },
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};
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enum frame_sizes {
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SIZE_160X120 = 0,
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SIZE_320X240 = 1,
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};
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#define MAX_FRAME_SIZE SIZE_320X240
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struct qcm {
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u16 colour;
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u16 hue;
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u16 brightness;
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u16 contrast;
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u16 whiteness;
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u8 size;
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int height;
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int width;
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u8 *scratch;
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struct urb *button_urb;
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u8 button_sts;
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u8 button_sts_buf;
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#ifdef CONFIG_INPUT
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struct input_dev *input;
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char input_physname[64];
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#endif
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};
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struct regval {
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u16 reg;
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u8 val;
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};
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/* this table is derived from the
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qc-usb-messenger code */
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static const struct regval regval_table[] = {
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{ STV_ISO_ENABLE, 0x00 },
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{ 0x1436, 0x00 }, { 0x1432, 0x03 },
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{ 0x143a, 0xF9 }, { 0x0509, 0x38 },
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{ 0x050a, 0x38 }, { 0x050b, 0x38 },
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{ 0x050c, 0x2A }, { 0x050d, 0x01 },
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{ 0x1431, 0x00 }, { 0x1433, 0x34 },
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{ 0x1438, 0x18 }, { 0x1439, 0x00 },
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{ 0x143b, 0x05 }, { 0x143c, 0x00 },
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{ 0x143e, 0x01 }, { 0x143d, 0x00 },
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{ 0x1442, 0xe2 }, { 0x1500, 0xd0 },
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{ 0x1500, 0xd0 }, { 0x1500, 0x50 },
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{ 0x1501, 0xaf }, { 0x1502, 0xc2 },
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{ 0x1503, 0x45 }, { 0x1505, 0x02 },
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{ 0x150e, 0x8e }, { 0x150f, 0x37 },
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{ 0x15c0, 0x00 },
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};
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static const unsigned char marker[] = { 0x00, 0xff, 0x00, 0xFF };
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#endif /* quickcam_messenger_h */
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