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Commit e0657be5 authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
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[media] gspca_xirlink_cit: Add support camera button 

gspca_xirlink_cit: Add support camera button
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 2c4e776a
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Showing with 84 additions and 33 deletions
drivers/media/video/gspca/xirlink_cit.c
View file @ e0657be5
......@@ -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;
......@@ -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]);
......@@ -2851,7 +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:
......@@ -2870,9 +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);
......@@ -2897,6 +2899,15 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
cit_write_reg(gspca_dev, 0x00c0, 0x0100);
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)
......@@ -3190,6 +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 = {
......@@ -3202,6 +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 = {
......@@ -3216,6 +3263,10 @@ static const struct sd_desc sd_desc_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 -- */
......
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