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-rw-r--r--linux/drivers/media/video/em28xx/em28xx-cards.c18
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-input.c107
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-video.c2
-rw-r--r--linux/drivers/media/video/em28xx/em28xx.h14
4 files changed, 141 insertions, 0 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-cards.c b/linux/drivers/media/video/em28xx/em28xx-cards.c
index df0004b1e..871d81242 100644
--- a/linux/drivers/media/video/em28xx/em28xx-cards.c
+++ b/linux/drivers/media/video/em28xx/em28xx-cards.c
@@ -427,6 +427,19 @@ struct em28xx_board em28xx_boards[] = {
.amux = EM28XX_AMUX_LINE_IN,
} },
},
+ [EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA] = {
+ .name = "PointNix Intra-Oral Camera",
+ .has_snapshot_button = 1,
+ .vchannels = 1,
+ .tda9887_conf = TDA9887_PRESENT,
+ .tuner_type = TUNER_ABSENT,
+ .decoder = EM28XX_SAA7113,
+ .input = { {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = SAA7115_SVIDEO3,
+ .amux = 0,
+ } },
+ },
};
const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
@@ -523,6 +536,7 @@ static struct em28xx_hash_table em28xx_eeprom_hash [] = {
static struct em28xx_hash_table em28xx_i2c_hash[] = {
{0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC},
{0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC},
+ {0x1ba50080, EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA, TUNER_ABSENT},
};
int em28xx_tuner_callback(void *ptr, int command, int arg)
@@ -555,6 +569,7 @@ static void em28xx_set_model(struct em28xx *dev)
dev->has_12mhz_i2s = em28xx_boards[dev->model].has_12mhz_i2s;
dev->max_range_640_480 = em28xx_boards[dev->model].max_range_640_480;
dev->has_dvb = em28xx_boards[dev->model].has_dvb;
+ dev->has_snapshot_button = em28xx_boards[dev->model].has_snapshot_button;
}
/* Since em28xx_pre_card_setup() requires a proper dev->model,
@@ -842,6 +857,9 @@ void em28xx_card_setup(struct em28xx *dev)
em28xx_set_model(dev);
}
+ if (dev->has_snapshot_button)
+ em28xx_register_snapshot_button(dev);
+
/* Allow override tuner type by a module parameter */
if (tuner >= 0)
dev->tuner_type = tuner;
diff --git a/linux/drivers/media/video/em28xx/em28xx-input.c b/linux/drivers/media/video/em28xx/em28xx-input.c
index 49c40f083..e83e3bebd 100644
--- a/linux/drivers/media/video/em28xx/em28xx-input.c
+++ b/linux/drivers/media/video/em28xx/em28xx-input.c
@@ -31,6 +31,10 @@
#include "compat.h"
#include "em28xx.h"
+#define EM28XX_SNAPSHOT_KEY KEY_CAMERA
+#define EM28XX_SBUTTON_QUERY_INTERVAL 500
+#define EM28XX_R0C_USBSUSP_SNAPSHOT 0x20
+
static unsigned int ir_debug;
module_param(ir_debug, int, 0644);
MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]");
@@ -130,6 +134,109 @@ int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
return 1;
}
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+static void em28xx_query_sbutton(void *data)
+#else
+static void em28xx_query_sbutton(struct work_struct *work)
+#endif
+{
+ /* Poll the register and see if the button is depressed */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+ struct em28xx *dev = data;
+#else
+ struct em28xx *dev =
+ container_of(work, struct em28xx, sbutton_query_work.work);
+#endif
+ int ret;
+
+ ret = em28xx_read_reg(dev, EM28XX_R0C_USBSUSP);
+
+ if (ret & EM28XX_R0C_USBSUSP_SNAPSHOT) {
+ u8 cleared;
+ /* Button is depressed, clear the register */
+ cleared = ((u8) ret) & ~EM28XX_R0C_USBSUSP_SNAPSHOT;
+ em28xx_write_regs(dev, EM28XX_R0C_USBSUSP, &cleared, 1);
+
+ /* Not emulate the keypress */
+ input_report_key(dev->sbutton_input_dev, EM28XX_SNAPSHOT_KEY,
+ 1);
+ /* Now unpress the key */
+ input_report_key(dev->sbutton_input_dev, EM28XX_SNAPSHOT_KEY,
+ 0);
+ }
+
+ /* Schedule next poll */
+ schedule_delayed_work(&dev->sbutton_query_work,
+ msecs_to_jiffies(EM28XX_SBUTTON_QUERY_INTERVAL));
+}
+
+void em28xx_register_snapshot_button(struct em28xx *dev)
+{
+ struct input_dev *input_dev;
+ int err;
+
+ em28xx_info("Registering snapshot button...\n");
+ input_dev = input_allocate_device();
+ if (!input_dev) {
+ em28xx_errdev("input_allocate_device failed\n");
+ return;
+ }
+
+ usb_make_path(dev->udev, dev->snapshot_button_path,
+ sizeof(dev->snapshot_button_path));
+ strlcat(dev->snapshot_button_path, "/sbutton",
+ sizeof(dev->snapshot_button_path));
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+ INIT_WORK(&dev->sbutton_query_work, em28xx_query_sbutton, dev);
+#else
+ INIT_DELAYED_WORK(&dev->sbutton_query_work, em28xx_query_sbutton);
+#endif
+
+ input_dev->name = "em28xx snapshot button";
+ input_dev->phys = dev->snapshot_button_path;
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+ set_bit(EM28XX_SNAPSHOT_KEY, input_dev->keybit);
+ input_dev->keycodesize = 0;
+ input_dev->keycodemax = 0;
+ input_dev->id.bustype = BUS_USB;
+ input_dev->id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
+ input_dev->id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
+ input_dev->id.version = 1;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
+ input_dev->dev.parent = &dev->udev->dev;
+#else
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 15)
+ input_dev->cdev.dev = &dev->udev->dev;
+#else
+ input_dev->dev = &dev->udev->dev;
+#endif
+#endif
+
+ err = input_register_device(input_dev);
+ if (err) {
+ em28xx_errdev("input_register_device failed\n");
+ input_free_device(input_dev);
+ return;
+ }
+
+ dev->sbutton_input_dev = input_dev;
+ schedule_delayed_work(&dev->sbutton_query_work,
+ msecs_to_jiffies(EM28XX_SBUTTON_QUERY_INTERVAL));
+ return;
+
+}
+
+void em28xx_deregister_snapshot_button(struct em28xx *dev)
+{
+ if (dev->sbutton_input_dev != NULL) {
+ em28xx_info("Deregistering snapshot button\n");
+ cancel_rearming_delayed_work(&dev->sbutton_query_work);
+ input_unregister_device(dev->sbutton_input_dev);
+ dev->sbutton_input_dev = NULL;
+ }
+ return;
+}
+
/* ----------------------------------------------------------------------
* Local variables:
* c-basic-offset: 8
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c
index a10ca0f0d..f4479aeca 100644
--- a/linux/drivers/media/video/em28xx/em28xx-video.c
+++ b/linux/drivers/media/video/em28xx/em28xx-video.c
@@ -1667,6 +1667,8 @@ static void em28xx_release_resources(struct em28xx *dev)
dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN,
dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN);
list_del(&dev->devlist);
+ if (dev->sbutton_input_dev)
+ em28xx_deregister_snapshot_button(dev);
if (dev->radio_dev) {
if (-1 != dev->radio_dev->minor)
video_unregister_device(dev->radio_dev);
diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h
index ed879653b..18b3bc134 100644
--- a/linux/drivers/media/video/em28xx/em28xx.h
+++ b/linux/drivers/media/video/em28xx/em28xx.h
@@ -60,6 +60,7 @@
#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_950 16
#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
+#define EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA 19
/* Limits minimum and default number of buffers */
#define EM28XX_MIN_BUF 4
@@ -252,6 +253,7 @@ struct em28xx_board {
unsigned int has_12mhz_i2s:1;
unsigned int max_range_640_480:1;
unsigned int has_dvb:1;
+ unsigned int has_snapshot_button:1;
enum em28xx_decoder decoder;
@@ -339,6 +341,7 @@ struct em28xx {
unsigned int has_12mhz_i2s:1;
unsigned int max_range_640_480:1;
unsigned int has_dvb:1;
+ unsigned int has_snapshot_button:1;
/* Some older em28xx chips needs a waiting time after writing */
unsigned int wait_after_write;
@@ -433,6 +436,15 @@ struct em28xx {
/* Caches GPO and GPIO registers */
unsigned char reg_gpo, reg_gpio;
+ /* Snapshot button */
+ char snapshot_button_path[30]; /* path of the input dev */
+ struct input_dev *sbutton_input_dev;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+ struct work_struct sbutton_query_work;
+#else
+ struct delayed_work sbutton_query_work;
+#endif
+
struct em28xx_dvb *dvb;
};
@@ -498,6 +510,8 @@ int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
u32 *ir_raw);
+void em28xx_register_snapshot_button(struct em28xx *dev);
+void em28xx_deregister_snapshot_button(struct em28xx *dev);
/* printk macros */
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 21:08:49 +0000