*/
/* Some documentation about various registers as determined by trial and error.
- When the register addresses differ between the 7202 and the 7311 the 2
- different addresses are written as 7302addr/7311addr, when one of the 2
- addresses is a - sign that register description is not valid for the
- matching IC.
Register page 1:
Address Description
- -/0x08 Unknown compressor related, must always be 8 except when not
+ 0x08 Unknown compressor related, must always be 8 except when not
in 640x480 resolution and page 4 reg 2 <= 3 then set it to 9 !
- -/0x1b Auto white balance related, bit 0 is AWB enable (inverted)
+ 0x1b Auto white balance related, bit 0 is AWB enable (inverted)
bits 345 seem to toggle per color gains on/off (inverted)
0x78 Global control, bit 6 controls the LED (inverted)
- -/0x80 JPEG compression ratio ? Best not touched
+ 0x80 JPEG compression ratio ? Best not touched
- Register page 3/4:
+ Register page 4:
Address Description
0x02 Clock divider 2-63, fps =~ 60 / val. Must be a multiple of 3 on
the 7302, so one of 3, 6, 9, ..., except when between 6 and 12?
- -/0x0f Master gain 1-245, low value = high gain
- 0x10/- Master gain 0-31
- -/0x10 Another gain 0-15, limited influence (1-2x gain I guess)
+ 0x0f Master gain 1-245, low value = high gain
+ 0x10 Another gain 0-15, limited influence (1-2x gain I guess)
0x21 Bitfield: 0-1 unused, 2-3 vflip/hflip, 4-5 unknown, 6-7 unused
- -/0x27 Seems to toggle various gains on / off, Setting bit 7 seems to
+ 0x27 Seems to toggle various gains on / off, Setting bit 7 seems to
completely disable the analog amplification block. Set to 0x68
for max gain, 0x14 for minimal gain.
*/
MODULE_DESCRIPTION("Pixart PAC7311");
MODULE_LICENSE("GPL");
-/* specific webcam descriptor for pac7311 */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
static const struct ctrl sd_ctrls[] = {
-/* This control is for both the 7302 and the 7311 */
{
{
.id = V4L2_CID_CONTRAST,
.set = sd_setcontrast,
.get = sd_getcontrast,
},
-/* All controls below are for both the 7302 and the 7311 */
{
{
.id = V4L2_CID_GAIN,
#define LOAD_PAGE4 254
#define END_OF_SEQUENCE 0
-/* pac 7311 */
static const __u8 init_7311[] = {
0x78, 0x40, /* Bit_0=start stream, Bit_6=LED */
0x78, 0x40, /* Bit_0=start stream, Bit_6=LED */
cam = &gspca_dev->cam;
- PDEBUG(D_CONF, "Find Sensor PAC7311");
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
return 0;
}
-/* This function is used by pac7311 only */
static void setcontrast(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
struct sd *sd = (struct sd *) gspca_dev;
__u8 reg;
- /* register 2 of frame 3/4 contains the clock divider configuring the
+ /* register 2 of page 4 contains the clock divider configuring the
no fps according to the formula: 60 / reg. sd->exposure is the
desired exposure time in ms. */
reg = 120 * sd->exposure / 1000;
reg_w(gspca_dev, 0x02, reg);
/* Page 1 register 8 must always be 0x08 except when not in
- 640x480 mode and Page3/4 reg 2 <= 3 then it must be 9 */
+ 640x480 mode and page 4 reg 2 <= 3 then it must be 9 */
reg_w(gspca_dev, 0xff, 0x01);
if (gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv &&
reg <= 3) {
/* set correct resolution */
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
- case 2: /* 160x120 pac7311 */
+ case 2: /* 160x120 */
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x17, 0x20);
reg_w(gspca_dev, 0x87, 0x10);
break;
- case 1: /* 320x240 pac7311 */
+ case 1: /* 320x240 */
reg_w(gspca_dev, 0xff, 0x01);
reg_w(gspca_dev, 0x17, 0x30);
reg_w(gspca_dev, 0x87, 0x11);
reg_w(gspca_dev, 0x78, 0x44); /* Bit_0=start stream, Bit_6=LED */
}
-/* called on streamoff with alt 0 and on disconnect for 7311 */
-static void sd_stop0(struct gspca_dev *gspca_dev)
-{
-}
-
/* Include pac common sof detection functions */
#include "pac_common.h"
}
#endif
-/* sub-driver description for pac7311 */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.ctrls = sd_ctrls,
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
- .stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
.dq_callback = do_autogain,
#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)