[PATCH] usbvision: add Nogatech USB MicroCam

From: Ondrej Zary
Date: Mon Apr 25 2011 - 05:57:24 EST

Next message: tip-bot for Justin P. Mattock: "[tip:perf/core] perf events, x86, P4: Fix typo in comment"
Previous message: Held Bernhard: "Re: Oops in 2.6.39 include/net/dst.h: dst_metrics_write_ptr() runningl2tp over ipsec"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Add Nogatech USB MicroCam PAL (NV3001P) and NTSC (NV3000N) support to
usbvision driver.
PAL version is tested, NTSC untested.
Data captured using usbsnoop, init_values are listed in the INF file along
with image dimensions, offsets and frame rates.

Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>

diff -up linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-cards.c
linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-cards.c
--- linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-cards.c 2011-04-06 03:30:43.000000000 +0200
+++ linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-cards.c 2011-04-24 20:11:42.000000000 +0200
@@ -1025,6 +1025,34 @@ struct usbvision_device_data_st usbvisi
.y_offset = -1,
.model_string = "Hauppauge WinTv-USB",
},
+ [MICROCAM_NTSC] = {
+ .interface = -1,
+ .codec = CODEC_WEBCAM,
+ .video_channels = 1,
+ .video_norm = V4L2_STD_NTSC,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 0,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 71,
+ .y_offset = 15,
+ .model_string = "Nogatech USB MicroCam NTSC (NV3000N)",
+ },
+ [MICROCAM_PAL] = {
+ .interface = -1,
+ .codec = CODEC_WEBCAM,
+ .video_channels = 1,
+ .video_norm = V4L2_STD_PAL,
+ .audio_channels = 0,
+ .radio = 0,
+ .vbi = 0,
+ .tuner = 0,
+ .tuner_type = 0,
+ .x_offset = 71,
+ .y_offset = 18,
+ .model_string = "Nogatech USB MicroCam PAL (NV3001P)",
+ },
};
const int usbvision_device_data_size = ARRAY_SIZE(usbvision_device_data);

@@ -1042,6 +1070,8 @@ struct usb_device_id usbvision_table[] =
{ USB_DEVICE(0x0573, 0x2d00), .driver_info = HPG_WINTV_LIVE_PAL_BG },
{ USB_DEVICE(0x0573, 0x2d01), .driver_info = HPG_WINTV_LIVE_PRO_NTSC_MN },
{ USB_DEVICE(0x0573, 0x2101), .driver_info = ZORAN_PMD_NOGATECH },
+ { USB_DEVICE(0x0573, 0x3000), .driver_info = MICROCAM_NTSC },
+ { USB_DEVICE(0x0573, 0x3001), .driver_info = MICROCAM_PAL },
{ USB_DEVICE(0x0573, 0x4100), .driver_info = NOGATECH_USB_TV_NTSC_FM },
{ USB_DEVICE(0x0573, 0x4110), .driver_info = PNY_USB_TV_NTSC_FM },
{ USB_DEVICE(0x0573, 0x4450), .driver_info = PV_PLAYTV_USB_PRO_PAL_FM },
@@ -1088,8 +1118,7 @@ struct usb_device_id usbvision_table[] =
{ USB_DEVICE(0x2304, 0x0110), .driver_info = PINNA_PCTV_USB_PAL_FM },
{ USB_DEVICE(0x2304, 0x0111), .driver_info = MIRO_PCTV_USB },
{ USB_DEVICE(0x2304, 0x0112), .driver_info = PINNA_PCTV_USB_NTSC_FM },
- { USB_DEVICE(0x2304, 0x0113),
- .driver_info = PINNA_PCTV_USB_NTSC_FM_V3 },
+ { USB_DEVICE(0x2304, 0x0113), .driver_info = PINNA_PCTV_USB_NTSC_FM_V3 },
{ USB_DEVICE(0x2304, 0x0210), .driver_info = PINNA_PCTV_USB_PAL_FM_V2 },
{ USB_DEVICE(0x2304, 0x0212), .driver_info = PINNA_PCTV_USB_NTSC_FM_V2 },
{ USB_DEVICE(0x2304, 0x0214), .driver_info = PINNA_PCTV_USB_PAL_FM_V3 },
diff -up linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-cards.h
linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-cards.h
--- linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-cards.h 2011-04-06 03:30:43.000000000 +0200
+++ linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-cards.h 2011-04-20 22:10:14.000000000 +0200
@@ -63,5 +63,7 @@
#define PINNA_PCTV_BUNGEE_PAL_FM 62
#define HPG_WINTV 63
#define PINNA_PCTV_USB_NTSC_FM_V3 64
+#define MICROCAM_NTSC 65
+#define MICROCAM_PAL 66

extern const int usbvision_device_data_size;
diff -up linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-core.c
linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-core.c
--- linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-core.c 2011-04-06 03:30:43.000000000 +0200
+++ linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-core.c 2011-04-25 11:49:44.000000000 +0200
@@ -1679,6 +1679,53 @@ int usbvision_power_off(struct usb_usbvi
return err_code;
}

+static int usbvision_init_webcam(struct usb_usbvision *usbvision)
+{
+ int rc;
+ int i;
+ static char init_values[38][3] = {
+ { 0x04, 0x12, 0x08 }, { 0x05, 0xff, 0xc8 }, { 0x06, 0x18, 0x07 }, { 0x07, 0x90, 0x00 },
+ { 0x09, 0x00, 0x00 }, { 0x0a, 0x00, 0x00 }, { 0x0b, 0x08, 0x00 }, { 0x0d, 0xcc, 0xcc },
+ { 0x0e, 0x13, 0x14 }, { 0x10, 0x9b, 0x83 }, { 0x11, 0x5a, 0x3f }, { 0x12, 0xe4, 0x73 },
+ { 0x13, 0x88, 0x84 }, { 0x14, 0x89, 0x80 }, { 0x15, 0x00, 0x20 }, { 0x16, 0x00, 0x00 },
+ { 0x17, 0xff, 0xa0 }, { 0x18, 0x6b, 0x20 }, { 0x19, 0x22, 0x40 }, { 0x1a, 0x10, 0x07 },
+ { 0x1b, 0x00, 0x47 }, { 0x1c, 0x03, 0xe0 }, { 0x1d, 0x00, 0x00 }, { 0x1e, 0x00, 0x00 },
+ { 0x1f, 0x00, 0x00 }, { 0x20, 0x00, 0x00 }, { 0x21, 0x00, 0x00 }, { 0x22, 0x00, 0x00 },
+ { 0x23, 0x00, 0x00 }, { 0x24, 0x00, 0x00 }, { 0x25, 0x00, 0x00 }, { 0x26, 0x00, 0x00 },
+ { 0x27, 0x00, 0x00 }, { 0x28, 0x00, 0x00 }, { 0x29, 0x00, 0x00 }, { 0x08, 0x80, 0x60 },
+ { 0x0f, 0x2d, 0x24 }, { 0x0c, 0x80, 0x80 }
+ };
+ char value[3];
+
+ /* the only difference between PAL and NTSC init_values */
+ if (usbvision_device_data[usbvision->dev_model].video_norm == V4L2_STD_NTSC)
+ init_values[4][1] = 0x34;
+
+ for (i = 0; i < sizeof(init_values) / 3; i++) {
+ memcpy(value, init_values[i], 3);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, 0x00);
+ rc = usb_control_msg(usbvision->dev,
+ usb_sndctrlpipe(usbvision->dev, 1),
+ USBVISION_OP_CODE,
+ USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_ENDPOINT, 0,
+ (__u16) USBVISION_SER_DAT1, value,
+ 3, HZ);
+ if (rc < 0)
+ return rc;
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, 0x10);
+ usbvision_write_reg(usbvision, USBVISION_SER_CONT, 0x13);
+ usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, 0x00);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, 0x00);
+ usbvision_write_reg(usbvision, USBVISION_IOPIN_REG, 0x02);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, 0x01);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, 0x02);
+ usbvision_write_reg(usbvision, USBVISION_SER_MODE, 0x03);
+ }
+
+ return 0;
+}
+
/*
* usbvision_set_video_format()
*
@@ -1797,6 +1844,13 @@ int usbvision_set_output(struct usb_usbv

frame_drop = FRAMERATE_MAX; /* We can allow the maximum here, because dropping is controlled */

+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
+ if (usbvision_device_data[usbvision->dev_model].video_norm == V4L2_STD_PAL)
+ frame_drop = 25;
+ else
+ frame_drop = 30;
+ }
+
/* frame_drop = 7; => frame_phase = 1, 5, 9, 13, 17, 21, 25, 0, 4, 8, ...
=> frame_skip = 4;
=> frame_rate = (7 + 1) * 25 / 32 = 200 / 32 = 6.25;
@@ -2046,6 +2100,12 @@ int usbvision_set_input(struct usb_usbvi
value[7] = 0x00; /* 0x0010 -> 16 Input video v offset */
}

+ /* webcam is only 480 pixels wide, both PAL and NTSC version */
+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
+ value[0] = 0xe0;
+ value[1] = 0x01; /* 0x01E0 -> 480 Input video line length */
+ }
+
if (usbvision_device_data[usbvision->dev_model].x_offset >= 0) {
value[4] = usbvision_device_data[usbvision->dev_model].x_offset & 0xff;
value[5] = (usbvision_device_data[usbvision->dev_model].x_offset & 0x0300) >> 8;
@@ -2148,7 +2208,7 @@ static int usbvision_set_dram_settings(s
(__u16) USBVISION_DRM_PRM1, value, 8, HZ);

if (rc < 0) {
- dev_err(&usbvision->dev->dev, "%sERROR=%d\n", __func__, rc);
+ dev_err(&usbvision->dev->dev, "%s: ERROR=%d\n", __func__, rc);
return rc;
}

@@ -2180,8 +2240,15 @@ int usbvision_power_on(struct usb_usbvis
usbvision_write_reg(usbvision, USBVISION_PWR_REG,
USBVISION_SSPND_EN | USBVISION_RES2);

+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM) {
+ usbvision_write_reg(usbvision, USBVISION_VIN_REG1,
+ USBVISION_16_422_SYNC | USBVISION_HVALID_PO);
+ usbvision_write_reg(usbvision, USBVISION_VIN_REG2,
+ USBVISION_NOHVALID | USBVISION_KEEP_BLANK);
+ }
usbvision_write_reg(usbvision, USBVISION_PWR_REG,
USBVISION_SSPND_EN | USBVISION_PWR_VID);
+ mdelay(10);
err_code = usbvision_write_reg(usbvision, USBVISION_PWR_REG,
USBVISION_SSPND_EN | USBVISION_PWR_VID | USBVISION_RES2);
if (err_code == 1)
@@ -2310,6 +2377,8 @@ int usbvision_set_audio(struct usb_usbvi

int usbvision_setup(struct usb_usbvision *usbvision, int format)
{
+ if (usbvision_device_data[usbvision->dev_model].codec == CODEC_WEBCAM)
+ usbvision_init_webcam(usbvision);
usbvision_set_video_format(usbvision, format);
usbvision_set_dram_settings(usbvision);
usbvision_set_compress_params(usbvision);
diff -up linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision.h linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision.h
--- linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision.h 2011-04-06 03:30:43.000000000 +0200
+++ linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision.h 2011-04-24 23:01:59.000000000 +0200
@@ -328,6 +328,7 @@ struct usbvision_frame {

#define CODEC_SAA7113 7113
#define CODEC_SAA7111 7111
+#define CODEC_WEBCAM 3000
#define BRIDGE_NT1003 1003
#define BRIDGE_NT1004 1004
#define BRIDGE_NT1005 1005
diff -up linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-i2c.c linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-i2c.c
--- linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-i2c.c 2011-04-06 03:30:43.000000000 +0200
+++ linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-i2c.c 2011-04-24 21:16:53.000000000 +0200
@@ -222,7 +222,7 @@ int usbvision_i2c_register(struct usb_us
i2c_set_adapdata(&usbvision->i2c_adap, &usbvision->v4l2_dev);

if (usbvision_write_reg(usbvision, USBVISION_SER_MODE, USBVISION_IIC_LRNACK) < 0) {
- printk(KERN_ERR "usbvision_register: can't write reg\n");
+ printk(KERN_ERR "usbvision_i2c_register: can't write reg\n");
return -EBUSY;
}

diff -up linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-video.c
linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-video.c
--- linux-2.6.39-rc2-orig/drivers/media/video/usbvision//usbvision-video.c 2011-04-06 03:30:43.000000000 +0200
+++ linux-2.6.39-rc2/drivers/media/video/usbvision//usbvision-video.c 2011-04-24 21:16:02.000000000 +0200
@@ -1470,7 +1470,8 @@ static void usbvision_configure_video(st

/* This should be here to make i2c clients to be able to register */
/* first switch off audio */
- usbvision_audio_off(usbvision);
+ if (usbvision_device_data[model].audio_channels > 0)
+ usbvision_audio_off(usbvision);
if (!power_on_at_open) {
/* and then power up the noisy tuner */
usbvision_power_on(usbvision);

--
Ondrej Zary
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: tip-bot for Justin P. Mattock: "[tip:perf/core] perf events, x86, P4: Fix typo in comment"
Previous message: Held Bernhard: "Re: Oops in 2.6.39 include/net/dst.h: dst_metrics_write_ptr() runningl2tp over ipsec"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]