diff options
Diffstat (limited to 'drivers/media/video/gspca')
41 files changed, 9995 insertions, 2562 deletions
diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index 42b90742b40..4d0817471c9 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -1,13 +1,212 @@ -config USB_GSPCA - tristate "USB GSPCA driver" +menuconfig USB_GSPCA + tristate "GSPCA based webcams" depends on VIDEO_V4L2 + default m ---help--- - Say Y here if you want support for various USB webcams. + Say Y here if you want to enable selecting webcams based + on the GSPCA framework. - See <file:Documentation/video4linux/gspca.txt> for more info. + See <file:Documentation/video4linux/gspca.txt> for more info. - This driver uses the Video For Linux API. You must say Y or M to - "Video For Linux" to use this driver. + This driver uses the Video For Linux API. You must say Y or M to + "Video For Linux" to use this driver. - To compile this driver as modules, choose M here: the - modules will be called gspca_xxxx. + To compile this driver as modules, choose M here: the + modules will be called gspca_main. + + +if USB_GSPCA && VIDEO_V4L2 + +source "drivers/media/video/gspca/m5602/Kconfig" + +config USB_GSPCA_CONEX + tristate "Conexant Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Conexant chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_conex. + +config USB_GSPCA_ETOMS + tristate "Etoms USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Etoms chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_etoms. + +config USB_GSPCA_FINEPIX + tristate "Fujifilm FinePix USB V4L2 driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the FinePix chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_finepix. + +config USB_GSPCA_MARS + tristate "Mars USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Mars chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_mars. + +config USB_GSPCA_OV519 + tristate "OV519 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the OV519 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_ov519. + +config USB_GSPCA_PAC207 + tristate "Pixart PAC207 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the PAC207 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_pac207. + +config USB_GSPCA_PAC7311 + tristate "Pixart PAC7311 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the PAC7311 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_pac7311. + +config USB_GSPCA_SONIXB + tristate "SN9C102 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SONIXB chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_sonixb. + +config USB_GSPCA_SONIXJ + tristate "SONIX JPEG USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SONIXJ chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_sonixj + +config USB_GSPCA_SPCA500 + tristate "SPCA500 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA500 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca500. + +config USB_GSPCA_SPCA501 + tristate "SPCA501 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA501 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca501. + +config USB_GSPCA_SPCA505 + tristate "SPCA505 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA505 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca505. + +config USB_GSPCA_SPCA506 + tristate "SPCA506 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA506 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca506. + +config USB_GSPCA_SPCA508 + tristate "SPCA508 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA508 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca508. + +config USB_GSPCA_SPCA561 + tristate "SPCA561 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA561 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca561. + +config USB_GSPCA_STK014 + tristate "Syntek DV4000 (STK014) USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the STK014 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_stk014. + +config USB_GSPCA_SUNPLUS + tristate "SUNPLUS USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Sunplus + SPCA504(abc) SPCA533 SPCA536 chips. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca5xx. + +config USB_GSPCA_T613 + tristate "T613 (JPEG Compliance) USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the T613 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_t613. + +config USB_GSPCA_TV8532 + tristate "TV8532 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the TV8531 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_tv8532. + +config USB_GSPCA_VC032X + tristate "VC032X USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the VC032X chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_vc032x. + +config USB_GSPCA_ZC3XX + tristate "VC3xx USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the ZC3XX chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_zc3xx. + +endif diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index e68a8965297..22734f5a6c3 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -1,29 +1,48 @@ -obj-$(CONFIG_USB_GSPCA) += gspca_main.o \ - gspca_conex.o gspca_etoms.o gspca_mars.o \ - gspca_ov519.o gspca_pac207.o gspca_pac7311.o \ - gspca_sonixb.o gspca_sonixj.o gspca_spca500.o gspca_spca501.o \ - gspca_spca505.o gspca_spca506.o gspca_spca508.o gspca_spca561.o \ - gspca_sunplus.o gspca_stk014.o gspca_t613.o gspca_tv8532.o \ - gspca_vc032x.o gspca_zc3xx.o +obj-$(CONFIG_USB_GSPCA) += gspca_main.o +obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o +obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o +obj-$(CONFIG_USB_GSPCA_FINEPIX) += gspca_finepix.o +obj-$(CONFIG_USB_GSPCA_MARS) += gspca_mars.o +obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o +obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o +obj-$(CONFIG_USB_GSPCA_PAC7311) += gspca_pac7311.o +obj-$(CONFIG_USB_GSPCA_SONIXB) += gspca_sonixb.o +obj-$(CONFIG_USB_GSPCA_SONIXJ) += gspca_sonixj.o +obj-$(CONFIG_USB_GSPCA_SPCA500) += gspca_spca500.o +obj-$(CONFIG_USB_GSPCA_SPCA501) += gspca_spca501.o +obj-$(CONFIG_USB_GSPCA_SPCA505) += gspca_spca505.o +obj-$(CONFIG_USB_GSPCA_SPCA506) += gspca_spca506.o +obj-$(CONFIG_USB_GSPCA_SPCA508) += gspca_spca508.o +obj-$(CONFIG_USB_GSPCA_SPCA561) += gspca_spca561.o +obj-$(CONFIG_USB_GSPCA_SUNPLUS) += gspca_sunplus.o +obj-$(CONFIG_USB_GSPCA_STK014) += gspca_stk014.o +obj-$(CONFIG_USB_GSPCA_T613) += gspca_t613.o +obj-$(CONFIG_USB_GSPCA_TV8532) += gspca_tv8532.o +obj-$(CONFIG_USB_GSPCA_VC032X) += gspca_vc032x.o +obj-$(CONFIG_USB_GSPCA_ZC3XX) += gspca_zc3xx.o + +gspca_main-objs := gspca.o +gspca_conex-objs := conex.o +gspca_etoms-objs := etoms.o +gspca_finepix-objs := finepix.o +gspca_mars-objs := mars.o +gspca_ov519-objs := ov519.o +gspca_pac207-objs := pac207.o +gspca_pac7311-objs := pac7311.o +gspca_sonixb-objs := sonixb.o +gspca_sonixj-objs := sonixj.o +gspca_spca500-objs := spca500.o +gspca_spca501-objs := spca501.o +gspca_spca505-objs := spca505.o +gspca_spca506-objs := spca506.o +gspca_spca508-objs := spca508.o +gspca_spca561-objs := spca561.o +gspca_stk014-objs := stk014.o +gspca_sunplus-objs := sunplus.o +gspca_t613-objs := t613.o +gspca_tv8532-objs := tv8532.o +gspca_vc032x-objs := vc032x.o +gspca_zc3xx-objs := zc3xx.o + +obj-$(CONFIG_USB_M5602) += m5602/ -gspca_main-objs := gspca.o -gspca_conex-objs := conex.o -gspca_etoms-objs := etoms.o -gspca_mars-objs := mars.o -gspca_ov519-objs := ov519.o -gspca_pac207-objs := pac207.o -gspca_pac7311-objs := pac7311.o -gspca_sonixb-objs := sonixb.o -gspca_sonixj-objs := sonixj.o -gspca_spca500-objs := spca500.o -gspca_spca501-objs := spca501.o -gspca_spca505-objs := spca505.o -gspca_spca506-objs := spca506.o -gspca_spca508-objs := spca508.o -gspca_spca561-objs := spca561.o -gspca_stk014-objs := stk014.o -gspca_sunplus-objs := sunplus.o -gspca_t613-objs := t613.o -gspca_tv8532-objs := tv8532.o -gspca_vc032x-objs := vc032x.o -gspca_zc3xx-objs := zc3xx.o diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c index cd3a3f5829b..a9d51ba7c57 100644 --- a/drivers/media/video/gspca/conex.c +++ b/drivers/media/video/gspca/conex.c @@ -124,7 +124,7 @@ static void reg_r(struct gspca_dev *gspca_dev, struct usb_device *dev = gspca_dev->dev; #ifdef GSPCA_DEBUG - if (len > sizeof gspca_dev->usb_buf) { + if (len > USB_BUF_SZ) { err("reg_r: buffer overflow"); return; } @@ -164,7 +164,7 @@ static void reg_w(struct gspca_dev *gspca_dev, struct usb_device *dev = gspca_dev->dev; #ifdef GSPCA_DEBUG - if (len > sizeof gspca_dev->usb_buf) { + if (len > USB_BUF_SZ) { err("reg_w: buffer overflow"); return; } @@ -731,13 +731,13 @@ static void cx11646_jpeg(struct gspca_dev*gspca_dev) reg_w_val(gspca_dev, 0x0000, 0x00); /* wait for completion */ retry = 50; - while (retry--) { + do { reg_r(gspca_dev, 0x0002, 1); /* 0x07 until 0x00 */ if (gspca_dev->usb_buf[0] == 0x00) break; reg_w_val(gspca_dev, 0x0053, 0x00); - } + } while (--retry); if (retry == 0) PDEBUG(D_ERR, "Damned Errors sending jpeg Table"); /* send the qtable now */ @@ -826,8 +826,8 @@ static int sd_config(struct gspca_dev *gspca_dev, return 0; } -/* this function is called at open time */ -static int sd_open(struct gspca_dev *gspca_dev) +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) { cx11646_init1(gspca_dev); cx11646_initsize(gspca_dev); @@ -837,16 +837,13 @@ static int sd_open(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { cx11646_initsize(gspca_dev); cx11646_fw(gspca_dev); cx_sensor(gspca_dev); cx11646_jpeg(gspca_dev); -} - -static void sd_stopN(struct gspca_dev *gspca_dev) -{ + return 0; } static void sd_stop0(struct gspca_dev *gspca_dev) @@ -871,10 +868,6 @@ static void sd_stop0(struct gspca_dev *gspca_dev) reg_w_val(gspca_dev, 0x00fc, 0xe0); } -static void sd_close(struct gspca_dev *gspca_dev) -{ -} - static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, /* target */ __u8 *data, /* isoc packet */ @@ -998,11 +991,9 @@ static struct sd_desc sd_desc = { .ctrls = sd_ctrls, .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, - .open = sd_open, + .init = sd_init, .start = sd_start, - .stopN = sd_stopN, .stop0 = sd_stop0, - .close = sd_close, .pkt_scan = sd_pkt_scan, }; @@ -1026,6 +1017,10 @@ static struct usb_driver sd_driver = { .id_table = device_table, .probe = sd_probe, .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, +#endif }; /* -- module insert / remove -- */ diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c index 1dbe92d01e6..3be30b420a2 100644 --- a/drivers/media/video/gspca/etoms.c +++ b/drivers/media/video/gspca/etoms.c @@ -81,6 +81,7 @@ static struct ctrl sd_ctrls[] = { .set = sd_setcontrast, .get = sd_getcontrast, }, +#define COLOR_IDX 2 { { .id = V4L2_CID_SATURATION, @@ -234,7 +235,7 @@ static void reg_r(struct gspca_dev *gspca_dev, struct usb_device *dev = gspca_dev->dev; #ifdef GSPCA_DEBUG - if (len > sizeof gspca_dev->usb_buf) { + if (len > USB_BUF_SZ) { err("reg_r: buffer overflow"); return; } @@ -272,7 +273,7 @@ static void reg_w(struct gspca_dev *gspca_dev, struct usb_device *dev = gspca_dev->dev; #ifdef GSPCA_DEBUG - if (len > sizeof gspca_dev->usb_buf) { + if (len > USB_BUF_SZ) { err("reg_w: buffer overflow"); return; } @@ -665,6 +666,7 @@ static int sd_config(struct gspca_dev *gspca_dev, } else { cam->cam_mode = vga_mode; cam->nmodes = sizeof vga_mode / sizeof vga_mode[0]; + gspca_dev->ctrl_dis = (1 << COLOR_IDX); } sd->brightness = BRIGHTNESS_DEF; sd->contrast = CONTRAST_DEF; @@ -674,8 +676,8 @@ static int sd_config(struct gspca_dev *gspca_dev, return 0; } -/* this function is called at open time */ -static int sd_open(struct gspca_dev *gspca_dev) +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -689,7 +691,7 @@ static int sd_open(struct gspca_dev *gspca_dev) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -702,6 +704,7 @@ static void sd_start(struct gspca_dev *gspca_dev) reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); et_video(gspca_dev, 1); /* video on */ + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) @@ -709,14 +712,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev) et_video(gspca_dev, 0); /* video off */ } -static void sd_stop0(struct gspca_dev *gspca_dev) -{ -} - -static void sd_close(struct gspca_dev *gspca_dev) -{ -} - static __u8 Et_getgainG(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -893,21 +888,19 @@ static struct sd_desc sd_desc = { .ctrls = sd_ctrls, .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, - .open = sd_open, + .init = sd_init, .start = sd_start, .stopN = sd_stopN, - .stop0 = sd_stop0, - .close = sd_close, .pkt_scan = sd_pkt_scan, .dq_callback = do_autogain, }; /* -- module initialisation -- */ static __devinitdata struct usb_device_id device_table[] = { -#ifndef CONFIG_USB_ET61X251 {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106}, -#endif +#if !defined CONFIG_USB_ET61X251 && !defined CONFIG_USB_ET61X251_MODULE {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX}, +#endif {} }; @@ -926,6 +919,10 @@ static struct usb_driver sd_driver = { .id_table = device_table, .probe = sd_probe, .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, +#endif }; /* -- module insert / remove -- */ diff --git a/drivers/media/video/gspca/finepix.c b/drivers/media/video/gspca/finepix.c new file mode 100644 index 00000000000..65d3cbfe6b2 --- /dev/null +++ b/drivers/media/video/gspca/finepix.c @@ -0,0 +1,466 @@ +/* + * Fujifilm Finepix subdriver + * + * Copyright (C) 2008 Frank Zago + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define MODULE_NAME "finepix" + +#include "gspca.h" + +MODULE_AUTHOR("Frank Zago <frank@zago.net>"); +MODULE_DESCRIPTION("Fujifilm FinePix USB V4L2 driver"); +MODULE_LICENSE("GPL"); + +/* Default timeout, in ms */ +#define FPIX_TIMEOUT (HZ / 10) + +/* Maximum transfer size to use. The windows driver reads by chunks of + * 0x2000 bytes, so do the same. Note: reading more seems to work + * too. */ +#define FPIX_MAX_TRANSFER 0x2000 + +/* Structure to hold all of our device specific stuff */ +struct usb_fpix { + struct gspca_dev gspca_dev; /* !! must be the first item */ + + /* + * USB stuff + */ + struct usb_ctrlrequest ctrlreq; + struct urb *control_urb; + struct timer_list bulk_timer; + + enum { + FPIX_NOP, /* inactive, else streaming */ + FPIX_RESET, /* must reset */ + FPIX_REQ_FRAME, /* requesting a frame */ + FPIX_READ_FRAME, /* reading frame */ + } state; + + /* + * Driver stuff + */ + struct delayed_work wqe; + struct completion can_close; + int streaming; +}; + +/* Delay after which claim the next frame. If the delay is too small, + * the camera will return old frames. On the 4800Z, 20ms is bad, 25ms + * will fail every 4 or 5 frames, but 30ms is perfect. */ +#define NEXT_FRAME_DELAY (((HZ * 30) + 999) / 1000) + +#define dev_new_state(new_state) { \ + PDEBUG(D_STREAM, "new state from %d to %d at %s:%d", \ + dev->state, new_state, __func__, __LINE__); \ + dev->state = new_state; \ +} + +/* These cameras only support 320x200. */ +static struct v4l2_pix_format fpix_mode[1] = { + { 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 3 / 8 + 590, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0} +}; + +/* Reads part of a frame */ +static void read_frame_part(struct usb_fpix *dev) +{ + int ret; + + PDEBUG(D_STREAM, "read_frame_part"); + + /* Reads part of a frame */ + ret = usb_submit_urb(dev->gspca_dev.urb[0], GFP_ATOMIC); + if (ret) { + dev_new_state(FPIX_RESET); + schedule_delayed_work(&dev->wqe, 1); + PDEBUG(D_STREAM, "usb_submit_urb failed with %d", + ret); + } else { + /* Sometimes we never get a callback, so use a timer. + * Is this masking a bug somewhere else? */ + dev->bulk_timer.expires = jiffies + msecs_to_jiffies(150); + add_timer(&dev->bulk_timer); + } +} + +/* Callback for URBs. */ +static void urb_callback(struct urb *urb) +{ + struct gspca_dev *gspca_dev = urb->context; + struct usb_fpix *dev = (struct usb_fpix *) gspca_dev; + + PDEBUG(D_PACK, + "enter urb_callback - status=%d, length=%d", + urb->status, urb->actual_length); + + if (dev->state == FPIX_READ_FRAME) + del_timer(&dev->bulk_timer); + + if (urb->status != 0) { + /* We kill a stuck urb every 50 frames on average, so don't + * display a log message for that. */ + if (urb->status != -ECONNRESET) + PDEBUG(D_STREAM, "bad URB status %d", urb->status); + dev_new_state(FPIX_RESET); + schedule_delayed_work(&dev->wqe, 1); + } + + switch (dev->state) { + case FPIX_REQ_FRAME: + dev_new_state(FPIX_READ_FRAME); + read_frame_part(dev); + break; + + case FPIX_READ_FRAME: { + unsigned char *data = urb->transfer_buffer; + struct gspca_frame *frame; + + frame = gspca_get_i_frame(&dev->gspca_dev); + if (frame == NULL) + gspca_dev->last_packet_type = DISCARD_PACKET; + if (urb->actual_length < FPIX_MAX_TRANSFER || + (data[urb->actual_length-2] == 0xff && + data[urb->actual_length-1] == 0xd9)) { + + /* If the result is less than what was asked + * for, then it's the end of the + * frame. Sometime the jpeg is not complete, + * but there's nothing we can do. We also end + * here if the the jpeg ends right at the end + * of the frame. */ + if (frame) + gspca_frame_add(gspca_dev, LAST_PACKET, + frame, + data, urb->actual_length); + dev_new_state(FPIX_REQ_FRAME); + schedule_delayed_work(&dev->wqe, NEXT_FRAME_DELAY); + } else { + + /* got a partial image */ + if (frame) + gspca_frame_add(gspca_dev, + gspca_dev->last_packet_type + == LAST_PACKET + ? FIRST_PACKET : INTER_PACKET, + frame, + data, urb->actual_length); + read_frame_part(dev); + } + break; + } + + case FPIX_NOP: + case FPIX_RESET: + PDEBUG(D_STREAM, "invalid state %d", dev->state); + break; + } +} + +/* Request a new frame */ +static void request_frame(struct usb_fpix *dev) +{ + int ret; + struct gspca_dev *gspca_dev = &dev->gspca_dev; + + /* Setup command packet */ + memset(gspca_dev->usb_buf, 0, 12); + gspca_dev->usb_buf[0] = 0xd3; + gspca_dev->usb_buf[7] = 0x01; + + /* Request a frame */ + dev->ctrlreq.bRequestType = + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; + dev->ctrlreq.bRequest = USB_REQ_GET_STATUS; + dev->ctrlreq.wValue = 0; + dev->ctrlreq.wIndex = 0; + dev->ctrlreq.wLength = cpu_to_le16(12); + + usb_fill_control_urb(dev->control_urb, + gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + (unsigned char *) &dev->ctrlreq, + gspca_dev->usb_buf, + 12, urb_callback, gspca_dev); + + ret = usb_submit_urb(dev->control_urb, GFP_ATOMIC); + if (ret) { + dev_new_state(FPIX_RESET); + schedule_delayed_work(&dev->wqe, 1); + PDEBUG(D_STREAM, "usb_submit_urb failed with %d", ret); + } +} + +/*--------------------------------------------------------------------------*/ + +/* State machine. */ +static void fpix_sm(struct work_struct *work) +{ + struct usb_fpix *dev = container_of(work, struct usb_fpix, wqe.work); + + PDEBUG(D_STREAM, "fpix_sm state %d", dev->state); + + /* verify that the device wasn't unplugged */ + if (!dev->gspca_dev.present) { + PDEBUG(D_STREAM, "device is gone"); + dev_new_state(FPIX_NOP); + complete(&dev->can_close); + return; + } + + if (!dev->streaming) { + PDEBUG(D_STREAM, "stopping state machine"); + dev_new_state(FPIX_NOP); + complete(&dev->can_close); + return; + } + + switch (dev->state) { + case FPIX_RESET: + dev_new_state(FPIX_REQ_FRAME); + schedule_delayed_work(&dev->wqe, HZ / 10); + break; + + case FPIX_REQ_FRAME: + /* get an image */ + request_frame(dev); + break; + + case FPIX_NOP: + case FPIX_READ_FRAME: + PDEBUG(D_STREAM, "invalid state %d", dev->state); + break; + } +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) |