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Diffstat (limited to 'drivers/media/video/gspca/xirlink_cit.c')
-rw-r--r--drivers/media/video/gspca/xirlink_cit.c194
1 files changed, 139 insertions, 55 deletions
diff --git a/drivers/media/video/gspca/xirlink_cit.c b/drivers/media/video/gspca/xirlink_cit.c
index 8715577bc2d..5b5039a0203 100644
--- a/drivers/media/video/gspca/xirlink_cit.c
+++ b/drivers/media/video/gspca/xirlink_cit.c
@@ -29,6 +29,7 @@
#define MODULE_NAME "xirlink-cit"
+#include <linux/input.h>
#include "gspca.h"
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
@@ -58,6 +59,7 @@ struct sd {
#define CIT_MODEL4 4
#define CIT_IBM_NETCAM_PRO 5
u8 input_index;
+ u8 button_state;
u8 stop_on_control_change;
u8 sof_read;
u8 sof_len;
@@ -185,60 +187,60 @@ static const struct ctrl sd_ctrls[] = {
static const struct v4l2_pix_format cif_yuv_mode[] = {
{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 176,
- .sizeimage = 176 * 144 * 3 / 2,
+ .sizeimage = 176 * 144 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{352, 288, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 352,
- .sizeimage = 352 * 288 * 3 / 2,
+ .sizeimage = 352 * 288 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
};
static const struct v4l2_pix_format vga_yuv_mode[] = {
{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 160 * 120 * 3 / 2,
+ .sizeimage = 160 * 120 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 320 * 240 * 3 / 2,
+ .sizeimage = 320 * 240 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{640, 480, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 640,
- .sizeimage = 640 * 480 * 3 / 2,
+ .sizeimage = 640 * 480 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
};
static const struct v4l2_pix_format model0_mode[] = {
{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 160 * 120 * 3 / 2,
+ .sizeimage = 160 * 120 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 176,
- .sizeimage = 176 * 144 * 3 / 2,
+ .sizeimage = 176 * 144 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{320, 240, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 320 * 240 * 3 / 2,
+ .sizeimage = 320 * 240 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
};
static const struct v4l2_pix_format model2_mode[] = {
{160, 120, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 160 * 120 * 3 / 2,
+ .sizeimage = 160 * 120 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{176, 144, V4L2_PIX_FMT_CIT_YYVYUY, V4L2_FIELD_NONE,
.bytesperline = 176,
- .sizeimage = 176 * 144 * 3 / 2,
+ .sizeimage = 176 * 144 * 3 / 2 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{320, 240, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 320 * 240,
+ .sizeimage = 320 * 240 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
{352, 288, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE,
.bytesperline = 352,
- .sizeimage = 352 * 288,
+ .sizeimage = 352 * 288 + 4,
.colorspace = V4L2_COLORSPACE_SRGB},
};
@@ -804,7 +806,7 @@ static int cit_write_reg(struct gspca_dev *gspca_dev, u16 value, u16 index)
return 0;
}
-static int cit_read_reg(struct gspca_dev *gspca_dev, u16 index)
+static int cit_read_reg(struct gspca_dev *gspca_dev, u16 index, int verbose)
{
struct usb_device *udev = gspca_dev->dev;
__u8 *buf = gspca_dev->usb_buf;
@@ -819,10 +821,8 @@ static int cit_read_reg(struct gspca_dev *gspca_dev, u16 index)
return res;
}
- PDEBUG(D_PROBE,
- "Register %04x value: %02x %02x %02x %02x %02x %02x %02x %02x",
- index,
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
+ if (verbose)
+ PDEBUG(D_PROBE, "Register %04x value: %02x", index, buf[0]);
return 0;
}
@@ -907,7 +907,7 @@ static void cit_Packet_Format1(struct gspca_dev *gspca_dev, u16 fkey, u16 val)
cit_send_x_00_05(gspca_dev, 0x0089);
cit_send_x_00(gspca_dev, fkey);
cit_send_00_04_06(gspca_dev);
- cit_read_reg(gspca_dev, 0x0126);
+ cit_read_reg(gspca_dev, 0x0126, 0);
cit_send_FF_04_02(gspca_dev);
}
@@ -1074,12 +1074,12 @@ static int cit_init_model0(struct gspca_dev *gspca_dev)
static int cit_init_ibm_netcam_pro(struct gspca_dev *gspca_dev)
{
- cit_read_reg(gspca_dev, 0x128);
+ cit_read_reg(gspca_dev, 0x128, 1);
cit_write_reg(gspca_dev, 0x0003, 0x0133);
cit_write_reg(gspca_dev, 0x0000, 0x0117);
cit_write_reg(gspca_dev, 0x0008, 0x0123);
cit_write_reg(gspca_dev, 0x0000, 0x0100);
- cit_read_reg(gspca_dev, 0x0116);
+ cit_read_reg(gspca_dev, 0x0116, 0);
cit_write_reg(gspca_dev, 0x0060, 0x0116);
cit_write_reg(gspca_dev, 0x0002, 0x0112);
cit_write_reg(gspca_dev, 0x0000, 0x0133);
@@ -1098,7 +1098,7 @@ static int cit_init_ibm_netcam_pro(struct gspca_dev *gspca_dev)
cit_write_reg(gspca_dev, 0x00ff, 0x0130);
cit_write_reg(gspca_dev, 0xcd41, 0x0124);
cit_write_reg(gspca_dev, 0xfffa, 0x0124);
- cit_read_reg(gspca_dev, 0x0126);
+ cit_read_reg(gspca_dev, 0x0126, 1);
cit_model3_Packet1(gspca_dev, 0x0000, 0x0000);
cit_model3_Packet1(gspca_dev, 0x0000, 0x0001);
@@ -1557,18 +1557,20 @@ static int cit_restart_stream(struct gspca_dev *gspca_dev)
switch (sd->model) {
case CIT_MODEL0:
case CIT_MODEL1:
- case CIT_MODEL3:
- case CIT_IBM_NETCAM_PRO:
cit_write_reg(gspca_dev, 0x0001, 0x0114);
/* Fall through */
case CIT_MODEL2:
case CIT_MODEL4:
cit_write_reg(gspca_dev, 0x00c0, 0x010c); /* Go! */
usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);
- /* This happens repeatedly while streaming with the ibm netcam
- pro and the ibmcam driver did it for model3 after changing
- settings, but it does not seem to have any effect. */
- /* cit_write_reg(gspca_dev, 0x0001, 0x0113); */
+ break;
+ case CIT_MODEL3:
+ case CIT_IBM_NETCAM_PRO:
+ cit_write_reg(gspca_dev, 0x0001, 0x0114);
+ cit_write_reg(gspca_dev, 0x00c0, 0x010c); /* Go! */
+ usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);
+ /* Clear button events from while we were not streaming */
+ cit_write_reg(gspca_dev, 0x0001, 0x0113);
break;
}
@@ -1680,23 +1682,23 @@ static int cit_start_model1(struct gspca_dev *gspca_dev)
if (clock_div < 0)
return clock_div;
- cit_read_reg(gspca_dev, 0x0128);
- cit_read_reg(gspca_dev, 0x0100);
+ cit_read_reg(gspca_dev, 0x0128, 1);
+ cit_read_reg(gspca_dev, 0x0100, 0);
cit_write_reg(gspca_dev, 0x01, 0x0100); /* LED On */
- cit_read_reg(gspca_dev, 0x0100);
+ cit_read_reg(gspca_dev, 0x0100, 0);
cit_write_reg(gspca_dev, 0x81, 0x0100); /* LED Off */
- cit_read_reg(gspca_dev, 0x0100);
+ cit_read_reg(gspca_dev, 0x0100, 0);
cit_write_reg(gspca_dev, 0x01, 0x0100); /* LED On */
cit_write_reg(gspca_dev, 0x01, 0x0108);
cit_write_reg(gspca_dev, 0x03, 0x0112);
- cit_read_reg(gspca_dev, 0x0115);
+ cit_read_reg(gspca_dev, 0x0115, 0);
cit_write_reg(gspca_dev, 0x06, 0x0115);
- cit_read_reg(gspca_dev, 0x0116);
+ cit_read_reg(gspca_dev, 0x0116, 0);
cit_write_reg(gspca_dev, 0x44, 0x0116);
- cit_read_reg(gspca_dev, 0x0116);
+ cit_read_reg(gspca_dev, 0x0116, 0);
cit_write_reg(gspca_dev, 0x40, 0x0116);
- cit_read_reg(gspca_dev, 0x0115);
+ cit_read_reg(gspca_dev, 0x0115, 0);
cit_write_reg(gspca_dev, 0x0e, 0x0115);
cit_write_reg(gspca_dev, 0x19, 0x012c);
@@ -1878,7 +1880,7 @@ static int cit_start_model2(struct gspca_dev *gspca_dev)
int clock_div = 0;
cit_write_reg(gspca_dev, 0x0000, 0x0100); /* LED on */
- cit_read_reg(gspca_dev, 0x0116);
+ cit_read_reg(gspca_dev, 0x0116, 0);
cit_write_reg(gspca_dev, 0x0060, 0x0116);
cit_write_reg(gspca_dev, 0x0002, 0x0112);
cit_write_reg(gspca_dev, 0x00bc, 0x012c);
@@ -2070,10 +2072,10 @@ static int cit_start_model3(struct gspca_dev *gspca_dev)
/* HDG not in ibmcam driver, added to see if it helps with
auto-detecting between model3 and ibm netcamera pro */
- cit_read_reg(gspca_dev, 0x128);
+ cit_read_reg(gspca_dev, 0x128, 1);
cit_write_reg(gspca_dev, 0x0000, 0x0100);
- cit_read_reg(gspca_dev, 0x0116);
+ cit_read_reg(gspca_dev, 0x0116, 0);
cit_write_reg(gspca_dev, 0x0060, 0x0116);
cit_write_reg(gspca_dev, 0x0002, 0x0112);
cit_write_reg(gspca_dev, 0x0000, 0x0123);
@@ -2083,7 +2085,7 @@ static int cit_start_model3(struct gspca_dev *gspca_dev)
cit_write_reg(gspca_dev, 0x0060, 0x0116);
cit_write_reg(gspca_dev, 0x0002, 0x0115);
cit_write_reg(gspca_dev, 0x0003, 0x0115);
- cit_read_reg(gspca_dev, 0x0115);
+ cit_read_reg(gspca_dev, 0x0115, 0);
cit_write_reg(gspca_dev, 0x000b, 0x0115);
/* TESTME HDG not in ibmcam driver, added to see if it helps with
@@ -2096,7 +2098,7 @@ static int cit_start_model3(struct gspca_dev *gspca_dev)
cit_write_reg(gspca_dev, 0x00ff, 0x0130);
cit_write_reg(gspca_dev, 0xcd41, 0x0124);
cit_write_reg(gspca_dev, 0xfffa, 0x0124);
- cit_read_reg(gspca_dev, 0x0126);
+ cit_read_reg(gspca_dev, 0x0126, 1);
}
cit_model3_Packet1(gspca_dev, 0x000a, 0x0040);
@@ -2293,7 +2295,7 @@ static int cit_start_model3(struct gspca_dev *gspca_dev)
if (rca_input) {
for (i = 0; i < ARRAY_SIZE(rca_initdata); i++) {
if (rca_initdata[i][0])
- cit_read_reg(gspca_dev, rca_initdata[i][2]);
+ cit_read_reg(gspca_dev, rca_initdata[i][2], 0);
else
cit_write_reg(gspca_dev, rca_initdata[i][1],
rca_initdata[i][2]);
@@ -2712,7 +2714,7 @@ static int cit_start_ibm_netcam_pro(struct gspca_dev *gspca_dev)
if (rca_input) {
for (i = 0; i < ARRAY_SIZE(rca_initdata); i++) {
if (rca_initdata[i][0])
- cit_read_reg(gspca_dev, rca_initdata[i][2]);
+ cit_read_reg(gspca_dev, rca_initdata[i][2], 0);
else
cit_write_reg(gspca_dev, rca_initdata[i][1],
rca_initdata[i][2]);
@@ -2769,16 +2771,55 @@ static int sd_start(struct gspca_dev *gspca_dev)
return 0;
}
+static int sd_isoc_init(struct gspca_dev *gspca_dev)
+{
+ struct usb_host_interface *alt;
+ int max_packet_size;
+
+ switch (gspca_dev->width) {
+ case 160:
+ max_packet_size = 450;
+ break;
+ case 176:
+ max_packet_size = 600;
+ break;
+ default:
+ max_packet_size = 1022;
+ break;
+ }
+
+ /* Start isoc bandwidth "negotiation" at max isoc bandwidth */
+ alt = &gspca_dev->dev->config->intf_cache[0]->altsetting[1];
+ alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size);
+
+ return 0;
+}
+
static int sd_isoc_nego(struct gspca_dev *gspca_dev)
{
- int ret, packet_size;
+ int ret, packet_size, min_packet_size;
struct usb_host_interface *alt;
+ switch (gspca_dev->width) {
+ case 160:
+ min_packet_size = 200;
+ break;
+ case 176:
+ min_packet_size = 266;
+ break;
+ default:
+ min_packet_size = 400;
+ break;
+ }
+
alt = &gspca_dev->dev->config->intf_cache[0]->altsetting[1];
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
- packet_size -= 100;
- if (packet_size < 300)
+ if (packet_size <= min_packet_size)
return -EIO;
+
+ packet_size -= 100;
+ if (packet_size < min_packet_size)
+ packet_size = min_packet_size;
alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(packet_size);
ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 1);
@@ -2796,15 +2837,12 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- struct usb_host_interface *alt;
/* We cannot use gspca_dev->present here as that is not set when
sd_init gets called and we get called from sd_init */
if (!gspca_dev->dev)
return;
- alt = &gspca_dev->dev->config->intf_cache[0]->altsetting[1];
-
switch (sd->model) {
case CIT_MODEL0:
/* HDG windows does this, but it causes the cams autogain to
@@ -2815,7 +2853,7 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
break;
case CIT_MODEL1:
cit_send_FF_04_02(gspca_dev);
- cit_read_reg(gspca_dev, 0x0100);
+ cit_read_reg(gspca_dev, 0x0100, 0);
cit_write_reg(gspca_dev, 0x81, 0x0100); /* LED Off */
break;
case CIT_MODEL2:
@@ -2834,9 +2872,9 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
case CIT_MODEL3:
cit_write_reg(gspca_dev, 0x0006, 0x012c);
cit_model3_Packet1(gspca_dev, 0x0046, 0x0000);
- cit_read_reg(gspca_dev, 0x0116);
+ cit_read_reg(gspca_dev, 0x0116, 0);
cit_write_reg(gspca_dev, 0x0064, 0x0116);
- cit_read_reg(gspca_dev, 0x0115);
+ cit_read_reg(gspca_dev, 0x0115, 0);
cit_write_reg(gspca_dev, 0x0003, 0x0115);
cit_write_reg(gspca_dev, 0x0008, 0x0123);
cit_write_reg(gspca_dev, 0x0000, 0x0117);
@@ -2859,12 +2897,17 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
restarting the stream after this */
/* cit_write_reg(gspca_dev, 0x0000, 0x0112); */
cit_write_reg(gspca_dev, 0x00c0, 0x0100);
-
- /* Start isoc bandwidth "negotiation" at max isoc bandwith
- next stream start */
- alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(1022);
break;
}
+
+#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+ /* If the last button state is pressed, release it now! */
+ if (sd->button_state) {
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
+ input_sync(gspca_dev->input_dev);
+ sd->button_state = 0;
+ }
+#endif
}
static u8 *cit_find_sof(struct gspca_dev *gspca_dev, u8 *data, int len)
@@ -3158,6 +3201,38 @@ static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
+#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+static void cit_check_button(struct gspca_dev *gspca_dev)
+{
+ int new_button_state;
+ struct sd *sd = (struct sd *)gspca_dev;
+
+ switch (sd->model) {
+ case CIT_MODEL3:
+ case CIT_IBM_NETCAM_PRO:
+ break;
+ default: /* TEST ME unknown if this works on other models too */
+ return;
+ }
+
+ /* Read the button state */
+ cit_read_reg(gspca_dev, 0x0113, 0);
+ new_button_state = !gspca_dev->usb_buf[0];
+
+ /* Tell the cam we've seen the button press, notice that this
+ is a nop (iow the cam keeps reporting pressed) until the
+ button is actually released. */
+ if (new_button_state)
+ cit_write_reg(gspca_dev, 0x01, 0x0113);
+
+ if (sd->button_state != new_button_state) {
+ input_report_key(gspca_dev->input_dev, KEY_CAMERA,
+ new_button_state);
+ input_sync(gspca_dev->input_dev);
+ sd->button_state = new_button_state;
+ }
+}
+#endif
/* sub-driver description */
static const struct sd_desc sd_desc = {
@@ -3170,6 +3245,10 @@ static const struct sd_desc sd_desc = {
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
+#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+ .dq_callback = cit_check_button,
+ .other_input = 1,
+#endif
};
static const struct sd_desc sd_desc_isoc_nego = {
@@ -3179,10 +3258,15 @@ static const struct sd_desc sd_desc_isoc_nego = {
.config = sd_config,
.init = sd_init,
.start = sd_start,
+ .isoc_init = sd_isoc_init,
.isoc_nego = sd_isoc_nego,
.stopN = sd_stopN,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
+#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
+ .dq_callback = cit_check_button,
+ .other_input = 1,
+#endif
};
/* -- module initialisation -- */
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 11:54:10 +0000