V4L/DVB (10366): gspca - mr97310a: New subdriver.
This patch adds support for USB webcams based on the MR97310A chip. It was tested with an Aiptek PenCam VGA+ webcam. Signed-off-by: Kyle Guinn <elyk03@gmail.com> Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kyle Guinn
Mauro Carvalho Chehab
parent
553d0d839b
commit
d661e62205
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@ -193,6 +193,7 @@ spca500 084d:0003 D-Link DSC-350
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spca500 08ca:0103 Aiptek PocketDV
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sunplus 08ca:0104 Aiptek PocketDVII 1.3
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sunplus 08ca:0106 Aiptek Pocket DV3100+
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mr97310a 08ca:0111 Aiptek PenCam VGA+
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sunplus 08ca:2008 Aiptek Mini PenCam 2 M
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sunplus 08ca:2010 Aiptek PocketCam 3M
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sunplus 08ca:2016 Aiptek PocketCam 2 Mega
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@ -56,6 +56,15 @@ config USB_GSPCA_MARS
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To compile this driver as a module, choose M here: the
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module will be called gspca_mars.
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config USB_GSPCA_MR97310A
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tristate "Mars-Semi MR97310A USB Camera Driver"
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depends on VIDEO_V4L2 && USB_GSPCA
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help
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Say Y here if you want support for cameras based on the MR97310A chip.
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To compile this driver as a module, choose M here: the
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module will be called gspca_mr97310a.
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config USB_GSPCA_OV519
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tristate "OV519 USB Camera Driver"
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depends on VIDEO_V4L2 && USB_GSPCA
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@ -1,50 +1,52 @@
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obj-$(CONFIG_USB_GSPCA) += gspca_main.o
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obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o
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obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o
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obj-$(CONFIG_USB_GSPCA_FINEPIX) += gspca_finepix.o
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obj-$(CONFIG_USB_GSPCA_MARS) += gspca_mars.o
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obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o
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obj-$(CONFIG_USB_GSPCA_OV534) += gspca_ov534.o
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obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o
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obj-$(CONFIG_USB_GSPCA_PAC7311) += gspca_pac7311.o
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obj-$(CONFIG_USB_GSPCA_SONIXB) += gspca_sonixb.o
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obj-$(CONFIG_USB_GSPCA_SONIXJ) += gspca_sonixj.o
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obj-$(CONFIG_USB_GSPCA_SPCA500) += gspca_spca500.o
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obj-$(CONFIG_USB_GSPCA_SPCA501) += gspca_spca501.o
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obj-$(CONFIG_USB_GSPCA_SPCA505) += gspca_spca505.o
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obj-$(CONFIG_USB_GSPCA_SPCA506) += gspca_spca506.o
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obj-$(CONFIG_USB_GSPCA_SPCA508) += gspca_spca508.o
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obj-$(CONFIG_USB_GSPCA_SPCA561) += gspca_spca561.o
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obj-$(CONFIG_USB_GSPCA_SUNPLUS) += gspca_sunplus.o
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obj-$(CONFIG_USB_GSPCA_STK014) += gspca_stk014.o
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obj-$(CONFIG_USB_GSPCA_T613) += gspca_t613.o
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obj-$(CONFIG_USB_GSPCA_TV8532) += gspca_tv8532.o
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obj-$(CONFIG_USB_GSPCA_VC032X) += gspca_vc032x.o
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obj-$(CONFIG_USB_GSPCA_ZC3XX) += gspca_zc3xx.o
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obj-$(CONFIG_USB_GSPCA) += gspca_main.o
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obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o
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obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o
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obj-$(CONFIG_USB_GSPCA_FINEPIX) += gspca_finepix.o
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obj-$(CONFIG_USB_GSPCA_MARS) += gspca_mars.o
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obj-$(CONFIG_USB_GSPCA_MR97310A) += gspca_mr97310a.o
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obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o
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obj-$(CONFIG_USB_GSPCA_OV534) += gspca_ov534.o
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obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o
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obj-$(CONFIG_USB_GSPCA_PAC7311) += gspca_pac7311.o
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obj-$(CONFIG_USB_GSPCA_SONIXB) += gspca_sonixb.o
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obj-$(CONFIG_USB_GSPCA_SONIXJ) += gspca_sonixj.o
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obj-$(CONFIG_USB_GSPCA_SPCA500) += gspca_spca500.o
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obj-$(CONFIG_USB_GSPCA_SPCA501) += gspca_spca501.o
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obj-$(CONFIG_USB_GSPCA_SPCA505) += gspca_spca505.o
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obj-$(CONFIG_USB_GSPCA_SPCA506) += gspca_spca506.o
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obj-$(CONFIG_USB_GSPCA_SPCA508) += gspca_spca508.o
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obj-$(CONFIG_USB_GSPCA_SPCA561) += gspca_spca561.o
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obj-$(CONFIG_USB_GSPCA_SUNPLUS) += gspca_sunplus.o
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obj-$(CONFIG_USB_GSPCA_STK014) += gspca_stk014.o
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obj-$(CONFIG_USB_GSPCA_T613) += gspca_t613.o
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obj-$(CONFIG_USB_GSPCA_TV8532) += gspca_tv8532.o
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obj-$(CONFIG_USB_GSPCA_VC032X) += gspca_vc032x.o
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obj-$(CONFIG_USB_GSPCA_ZC3XX) += gspca_zc3xx.o
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gspca_main-objs := gspca.o
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gspca_conex-objs := conex.o
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gspca_etoms-objs := etoms.o
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gspca_finepix-objs := finepix.o
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gspca_mars-objs := mars.o
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gspca_ov519-objs := ov519.o
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gspca_ov534-objs := ov534.o
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gspca_pac207-objs := pac207.o
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gspca_pac7311-objs := pac7311.o
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gspca_sonixb-objs := sonixb.o
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gspca_sonixj-objs := sonixj.o
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gspca_spca500-objs := spca500.o
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gspca_spca501-objs := spca501.o
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gspca_spca505-objs := spca505.o
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gspca_spca506-objs := spca506.o
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gspca_spca508-objs := spca508.o
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gspca_spca561-objs := spca561.o
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gspca_stk014-objs := stk014.o
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gspca_sunplus-objs := sunplus.o
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gspca_t613-objs := t613.o
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gspca_tv8532-objs := tv8532.o
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gspca_vc032x-objs := vc032x.o
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gspca_zc3xx-objs := zc3xx.o
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gspca_main-objs := gspca.o
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gspca_conex-objs := conex.o
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gspca_etoms-objs := etoms.o
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gspca_finepix-objs := finepix.o
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gspca_mars-objs := mars.o
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gspca_mr97310a-objs := mr97310a.o
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gspca_ov519-objs := ov519.o
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gspca_ov534-objs := ov534.o
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gspca_pac207-objs := pac207.o
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gspca_pac7311-objs := pac7311.o
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gspca_sonixb-objs := sonixb.o
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gspca_sonixj-objs := sonixj.o
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gspca_spca500-objs := spca500.o
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gspca_spca501-objs := spca501.o
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gspca_spca505-objs := spca505.o
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gspca_spca506-objs := spca506.o
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gspca_spca508-objs := spca508.o
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gspca_spca561-objs := spca561.o
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gspca_stk014-objs := stk014.o
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gspca_sunplus-objs := sunplus.o
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gspca_t613-objs := t613.o
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gspca_tv8532-objs := tv8532.o
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gspca_vc032x-objs := vc032x.o
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gspca_zc3xx-objs := zc3xx.o
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obj-$(CONFIG_USB_M5602) += m5602/
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obj-$(CONFIG_USB_STV06XX) += stv06xx/
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obj-$(CONFIG_USB_M5602) += m5602/
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obj-$(CONFIG_USB_STV06XX) += stv06xx/
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@ -318,6 +318,7 @@ static int gspca_is_compressed(__u32 format)
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case V4L2_PIX_FMT_JPEG:
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case V4L2_PIX_FMT_SPCA561:
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case V4L2_PIX_FMT_PAC207:
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case V4L2_PIX_FMT_MR97310A:
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return 1;
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}
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return 0;
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378
drivers/media/video/gspca/mr97310a.c
Normal file
378
drivers/media/video/gspca/mr97310a.c
Normal file
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@ -0,0 +1,378 @@
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/*
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* Mars MR97310A library
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*
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* Copyright (C) 2009 Kyle Guinn <elyk03@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define MODULE_NAME "mr97310a"
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#include "gspca.h"
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MODULE_AUTHOR("Kyle Guinn <elyk03@gmail.com>");
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MODULE_DESCRIPTION("GSPCA/Mars-Semi MR97310A USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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u8 sof_read;
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u8 header_read;
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};
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/* V4L2 controls supported by the driver */
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static struct ctrl sd_ctrls[] = {
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{160, 120, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 4},
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{176, 144, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 3},
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{320, 240, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2},
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{352, 288, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 352,
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.sizeimage = 352 * 288,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{640, 480, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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/* the bytes to write are in gspca_dev->usb_buf */
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static int reg_w(struct gspca_dev *gspca_dev, int len)
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{
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int rc;
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rc = usb_bulk_msg(gspca_dev->dev,
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usb_sndbulkpipe(gspca_dev->dev, 4),
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gspca_dev->usb_buf, len, 0, 500);
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if (rc < 0)
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PDEBUG(D_ERR, "reg write [%02x] error %d",
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gspca_dev->usb_buf[0], rc);
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return rc;
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}
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/* this function is called at probe time */
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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{
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struct cam *cam;
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cam = &gspca_dev->cam;
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cam->cam_mode = vga_mode;
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cam->nmodes = ARRAY_SIZE(vga_mode);
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return 0;
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}
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/* this function is called at probe and resume time */
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static int sd_init(struct gspca_dev *gspca_dev)
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{
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return 0;
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}
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static int sd_start(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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__u8 *data = gspca_dev->usb_buf;
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int err_code;
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sd->sof_read = 0;
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/* Note: register descriptions guessed from MR97113A driver */
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data[0] = 0x01;
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data[1] = 0x01;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x00;
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data[1] = 0x0d;
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data[2] = 0x01;
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data[5] = 0x2b;
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data[7] = 0x00;
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data[9] = 0x50; /* reg 8, no scale down */
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data[10] = 0xc0;
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switch (gspca_dev->width) {
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case 160:
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data[9] |= 0x0c; /* reg 8, 4:1 scale down */
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/* fall thru */
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case 320:
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data[9] |= 0x04; /* reg 8, 2:1 scale down */
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/* fall thru */
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case 640:
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default:
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data[3] = 0x50; /* reg 2, H size */
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data[4] = 0x78; /* reg 3, V size */
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data[6] = 0x04; /* reg 5, H start */
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data[8] = 0x03; /* reg 7, V start */
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break;
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case 176:
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data[9] |= 0x04; /* reg 8, 2:1 scale down */
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/* fall thru */
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case 352:
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data[3] = 0x2c; /* reg 2, H size */
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data[4] = 0x48; /* reg 3, V size */
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data[6] = 0x94; /* reg 5, H start */
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data[8] = 0x63; /* reg 7, V start */
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break;
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}
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err_code = reg_w(gspca_dev, 11);
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if (err_code < 0)
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return err_code;
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data[0] = 0x0a;
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data[1] = 0x80;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x14;
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data[1] = 0x0a;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x1b;
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data[1] = 0x00;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x15;
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data[1] = 0x16;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x16;
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data[1] = 0x10;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x17;
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data[1] = 0x3a;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x18;
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data[1] = 0x68;
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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data[0] = 0x1f;
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data[1] = 0x00;
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data[2] = 0x02;
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data[3] = 0x06;
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data[4] = 0x59;
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data[5] = 0x0c;
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data[6] = 0x16;
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data[7] = 0x00;
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data[8] = 0x07;
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data[9] = 0x00;
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data[10] = 0x01;
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err_code = reg_w(gspca_dev, 11);
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if (err_code < 0)
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return err_code;
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data[0] = 0x1f;
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data[1] = 0x04;
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data[2] = 0x11;
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data[3] = 0x01;
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err_code = reg_w(gspca_dev, 4);
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if (err_code < 0)
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return err_code;
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data[0] = 0x1f;
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data[1] = 0x00;
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data[2] = 0x0a;
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data[3] = 0x00;
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data[4] = 0x01;
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data[5] = 0x00;
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data[6] = 0x00;
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data[7] = 0x01;
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data[8] = 0x00;
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data[9] = 0x0a;
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err_code = reg_w(gspca_dev, 10);
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if (err_code < 0)
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return err_code;
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data[0] = 0x1f;
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data[1] = 0x04;
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data[2] = 0x11;
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data[3] = 0x01;
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err_code = reg_w(gspca_dev, 4);
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if (err_code < 0)
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return err_code;
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data[0] = 0x1f;
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data[1] = 0x00;
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data[2] = 0x12;
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data[3] = 0x00;
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data[4] = 0x63;
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data[5] = 0x00;
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data[6] = 0x70;
|
||||
data[7] = 0x00;
|
||||
data[8] = 0x01;
|
||||
err_code = reg_w(gspca_dev, 10);
|
||||
if (err_code < 0)
|
||||
return err_code;
|
||||
|
||||
data[0] = 0x1f;
|
||||
data[1] = 0x04;
|
||||
data[2] = 0x11;
|
||||
data[3] = 0x01;
|
||||
err_code = reg_w(gspca_dev, 4);
|
||||
if (err_code < 0)
|
||||
return err_code;
|
||||
|
||||
data[0] = 0x00;
|
||||
data[1] = 0x4d; /* ISOC transfering enable... */
|
||||
err_code = reg_w(gspca_dev, 2);
|
||||
return err_code;
|
||||
}
|
||||
|
||||
static void sd_stopN(struct gspca_dev *gspca_dev)
|
||||
{
|
||||
int result;
|
||||
|
||||
gspca_dev->usb_buf[0] = 1;
|
||||
gspca_dev->usb_buf[1] = 0;
|
||||
result = reg_w(gspca_dev, 2);
|
||||
if (result < 0)
|
||||
PDEBUG(D_ERR, "Camera Stop failed");
|
||||
}
|
||||
|
||||
/* Include pac common sof detection functions */
|
||||
#include "pac_common.h"
|
||||
|
||||
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
||||
struct gspca_frame *frame, /* target */
|
||||
__u8 *data, /* isoc packet */
|
||||
int len) /* iso packet length */
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
unsigned char *sof;
|
||||
|
||||
sof = pac_find_sof(gspca_dev, data, len);
|
||||
if (sof) {
|
||||
int n;
|
||||
|
||||
/* finish decoding current frame */
|
||||
n = sof - data;
|
||||
if (n > sizeof pac_sof_marker)
|
||||
n -= sizeof pac_sof_marker;
|
||||
else
|
||||
n = 0;
|
||||
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
|
||||
data, n);
|
||||
sd->header_read = 0;
|
||||
gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0);
|
||||
len -= sof - data;
|
||||
data = sof;
|
||||
}
|
||||
if (sd->header_read < 7) {
|
||||
int needed;
|
||||
|
||||
/* skip the rest of the header */
|
||||
needed = 7 - sd->header_read;
|
||||
if (len <= needed) {
|
||||
sd->header_read += len;
|
||||
return;
|
||||
}
|
||||
data += needed;
|
||||
len -= needed;
|
||||
sd->header_read = 7;
|
||||
}
|
||||
|
||||
gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
|
||||
}
|
||||
|
||||
/* sub-driver description */
|
||||
static const struct sd_desc sd_desc = {
|
||||
.name = MODULE_NAME,
|
||||
.ctrls = sd_ctrls,
|
||||
.nctrls = ARRAY_SIZE(sd_ctrls),
|
||||
.config = sd_config,
|
||||
.init = sd_init,
|
||||
.start = sd_start,
|
||||
.stopN = sd_stopN,
|
||||
.pkt_scan = sd_pkt_scan,
|
||||
};
|
||||
|
||||
/* -- module initialisation -- */
|
||||
static const __devinitdata struct usb_device_id device_table[] = {
|
||||
{USB_DEVICE(0x08ca, 0x0111)},
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(usb, device_table);
|
||||
|
||||
/* -- device connect -- */
|
||||
static int sd_probe(struct usb_interface *intf,
|
||||
const struct usb_device_id *id)
|
||||
{
|
||||
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
|
||||
THIS_MODULE);
|
||||
}
|
||||
|
||||
static struct usb_driver sd_driver = {
|
||||
.name = MODULE_NAME,
|
||||
.id_table = device_table,
|
||||
.probe = sd_probe,
|
||||
.disconnect = gspca_disconnect,
|
||||
#ifdef CONFIG_PM
|
||||
.suspend = gspca_suspend,
|
||||
.resume = gspca_resume,
|
||||
#endif
|
||||
};
|
||||
|
||||
/* -- module insert / remove -- */
|
||||
static int __init sd_mod_init(void)
|
||||
{
|
||||
if (usb_register(&sd_driver) < 0)
|
||||
return -1;
|
||||
PDEBUG(D_PROBE, "registered");
|
||||
return 0;
|
||||
}
|
||||
static void __exit sd_mod_exit(void)
|
||||
{
|
||||
usb_deregister(&sd_driver);
|
||||
PDEBUG(D_PROBE, "deregistered");
|
||||
}
|
||||
|
||||
module_init(sd_mod_init);
|
||||
module_exit(sd_mod_exit);
|
||||
Loading…
Reference in a new issue