diff options
Diffstat (limited to 'drivers/media/video/s2255drv.c')
| -rw-r--r-- | drivers/media/video/s2255drv.c | 2689 |
1 files changed, 0 insertions, 2689 deletions
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c deleted file mode 100644 index 95007dd..0000000 --- a/drivers/media/video/s2255drv.c +++ /dev/null @@ -1,2689 +0,0 @@ -/* - * s2255drv.c - a driver for the Sensoray 2255 USB video capture device - * - * Copyright (C) 2007-2010 by Sensoray Company Inc. - * Dean Anderson - * - * Some video buffer code based on vivi driver: - * - * Sensoray 2255 device supports 4 simultaneous channels. - * The channels are not "crossbar" inputs, they are physically - * attached to separate video decoders. - * - * Because of USB2.0 bandwidth limitations. There is only a - * certain amount of data which may be transferred at one time. - * - * Example maximum bandwidth utilization: - * - * -full size, color mode YUYV or YUV422P: 2 channels at once - * -full or half size Grey scale: all 4 channels at once - * -half size, color mode YUYV or YUV422P: all 4 channels at once - * -full size, color mode YUYV or YUV422P 1/2 frame rate: all 4 channels - * at once. - * - * 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 - * (at your option) 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/firmware.h> -#include <linux/kernel.h> -#include <linux/mutex.h> -#include <linux/slab.h> -#include <linux/videodev2.h> -#include <linux/mm.h> -#include <media/videobuf-vmalloc.h> -#include <media/v4l2-common.h> -#include <media/v4l2-device.h> -#include <media/v4l2-ioctl.h> -#include <linux/vmalloc.h> -#include <linux/usb.h> - -#define S2255_VERSION "1.22.1" -#define FIRMWARE_FILE_NAME "f2255usb.bin" - -/* default JPEG quality */ -#define S2255_DEF_JPEG_QUAL 50 -/* vendor request in */ -#define S2255_VR_IN 0 -/* vendor request out */ -#define S2255_VR_OUT 1 -/* firmware query */ -#define S2255_VR_FW 0x30 -/* USB endpoint number for configuring the device */ -#define S2255_CONFIG_EP 2 -/* maximum time for DSP to start responding after last FW word loaded(ms) */ -#define S2255_DSP_BOOTTIME 800 -/* maximum time to wait for firmware to load (ms) */ -#define S2255_LOAD_TIMEOUT (5000 + S2255_DSP_BOOTTIME) -#define S2255_DEF_BUFS 16 -#define S2255_SETMODE_TIMEOUT 500 -#define S2255_VIDSTATUS_TIMEOUT 350 -#define S2255_MARKER_FRAME cpu_to_le32(0x2255DA4AL) -#define S2255_MARKER_RESPONSE cpu_to_le32(0x2255ACACL) -#define S2255_RESPONSE_SETMODE cpu_to_le32(0x01) -#define S2255_RESPONSE_FW cpu_to_le32(0x10) -#define S2255_RESPONSE_STATUS cpu_to_le32(0x20) -#define S2255_USB_XFER_SIZE (16 * 1024) -#define MAX_CHANNELS 4 -#define SYS_FRAMES 4 -/* maximum size is PAL full size plus room for the marker header(s) */ -#define SYS_FRAMES_MAXSIZE (720*288*2*2 + 4096) -#define DEF_USB_BLOCK S2255_USB_XFER_SIZE -#define LINE_SZ_4CIFS_NTSC 640 -#define LINE_SZ_2CIFS_NTSC 640 -#define LINE_SZ_1CIFS_NTSC 320 -#define LINE_SZ_4CIFS_PAL 704 -#define LINE_SZ_2CIFS_PAL 704 -#define LINE_SZ_1CIFS_PAL 352 -#define NUM_LINES_4CIFS_NTSC 240 -#define NUM_LINES_2CIFS_NTSC 240 -#define NUM_LINES_1CIFS_NTSC 240 -#define NUM_LINES_4CIFS_PAL 288 -#define NUM_LINES_2CIFS_PAL 288 -#define NUM_LINES_1CIFS_PAL 288 -#define LINE_SZ_DEF 640 -#define NUM_LINES_DEF 240 - - -/* predefined settings */ -#define FORMAT_NTSC 1 -#define FORMAT_PAL 2 - -#define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */ -#define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */ -#define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */ -/* SCALE_4CIFSI is the 2 fields interpolated into one */ -#define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */ - -#define COLOR_YUVPL 1 /* YUV planar */ -#define COLOR_YUVPK 2 /* YUV packed */ -#define COLOR_Y8 4 /* monochrome */ -#define COLOR_JPG 5 /* JPEG */ - -#define MASK_COLOR 0x000000ff -#define MASK_JPG_QUALITY 0x0000ff00 -#define MASK_INPUT_TYPE 0x000f0000 -/* frame decimation. */ -#define FDEC_1 1 /* capture every frame. default */ -#define FDEC_2 2 /* capture every 2nd frame */ -#define FDEC_3 3 /* capture every 3rd frame */ -#define FDEC_5 5 /* capture every 5th frame */ - -/*------------------------------------------------------- - * Default mode parameters. - *-------------------------------------------------------*/ -#define DEF_SCALE SCALE_4CIFS -#define DEF_COLOR COLOR_YUVPL -#define DEF_FDEC FDEC_1 -#define DEF_BRIGHT 0 -#define DEF_CONTRAST 0x5c -#define DEF_SATURATION 0x80 -#define DEF_HUE 0 - -/* usb config commands */ -#define IN_DATA_TOKEN cpu_to_le32(0x2255c0de) -#define CMD_2255 0xc2255000 -#define CMD_SET_MODE cpu_to_le32((CMD_2255 | 0x10)) -#define CMD_START cpu_to_le32((CMD_2255 | 0x20)) -#define CMD_STOP cpu_to_le32((CMD_2255 | 0x30)) -#define CMD_STATUS cpu_to_le32((CMD_2255 | 0x40)) - -struct s2255_mode { - u32 format; /* input video format (NTSC, PAL) */ - u32 scale; /* output video scale */ - u32 color; /* output video color format */ - u32 fdec; /* frame decimation */ - u32 bright; /* brightness */ - u32 contrast; /* contrast */ - u32 saturation; /* saturation */ - u32 hue; /* hue (NTSC only)*/ - u32 single; /* capture 1 frame at a time (!=0), continuously (==0)*/ - u32 usb_block; /* block size. should be 4096 of DEF_USB_BLOCK */ - u32 restart; /* if DSP requires restart */ -}; - - -#define S2255_READ_IDLE 0 -#define S2255_READ_FRAME 1 - -/* frame structure */ -struct s2255_framei { - unsigned long size; - unsigned long ulState; /* ulState:S2255_READ_IDLE, S2255_READ_FRAME*/ - void *lpvbits; /* image data */ - unsigned long cur_size; /* current data copied to it */ -}; - -/* image buffer structure */ -struct s2255_bufferi { - unsigned long dwFrames; /* number of frames in buffer */ - struct s2255_framei frame[SYS_FRAMES]; /* array of FRAME structures */ -}; - -#define DEF_MODEI_NTSC_CONT {FORMAT_NTSC, DEF_SCALE, DEF_COLOR, \ - DEF_FDEC, DEF_BRIGHT, DEF_CONTRAST, DEF_SATURATION, \ - DEF_HUE, 0, DEF_USB_BLOCK, 0} - -struct s2255_dmaqueue { - struct list_head active; - struct s2255_dev *dev; -}; - -/* for firmware loading, fw_state */ -#define S2255_FW_NOTLOADED 0 -#define S2255_FW_LOADED_DSPWAIT 1 -#define S2255_FW_SUCCESS 2 -#define S2255_FW_FAILED 3 -#define S2255_FW_DISCONNECTING 4 -#define S2255_FW_MARKER cpu_to_le32(0x22552f2f) -/* 2255 read states */ -#define S2255_READ_IDLE 0 -#define S2255_READ_FRAME 1 -struct s2255_fw { - int fw_loaded; - int fw_size; - struct urb *fw_urb; - atomic_t fw_state; - void *pfw_data; - wait_queue_head_t wait_fw; - const struct firmware *fw; -}; - -struct s2255_pipeinfo { - u32 max_transfer_size; - u32 cur_transfer_size; - u8 *transfer_buffer; - u32 state; - void *stream_urb; - void *dev; /* back pointer to s2255_dev struct*/ - u32 err_count; - u32 idx; -}; - -struct s2255_fmt; /*forward declaration */ -struct s2255_dev; - -struct s2255_channel { - struct video_device vdev; - int resources; - struct s2255_dmaqueue vidq; - struct s2255_bufferi buffer; - struct s2255_mode mode; - /* jpeg compression */ - struct v4l2_jpegcompression jc; - /* capture parameters (for high quality mode full size) */ - struct v4l2_captureparm cap_parm; - int cur_frame; - int last_frame; - - int b_acquire; - /* allocated image size */ - unsigned long req_image_size; - /* received packet size */ - unsigned long pkt_size; - int bad_payload; - unsigned long frame_count; - /* if JPEG image */ - int jpg_size; - /* if channel configured to default state */ - int configured; - wait_queue_head_t wait_setmode; - int setmode_ready; - /* video status items */ - int vidstatus; - wait_queue_head_t wait_vidstatus; - int vidstatus_ready; - unsigned int width; - unsigned int height; - const struct s2255_fmt *fmt; - int idx; /* channel number on device, 0-3 */ -}; - - -struct s2255_dev { - struct s2255_channel channel[MAX_CHANNELS]; - struct v4l2_device v4l2_dev; - atomic_t num_channels; - int frames; - struct mutex lock; /* channels[].vdev.lock */ - struct mutex open_lock; - struct usb_device *udev; - struct usb_interface *interface; - u8 read_endpoint; - struct timer_list timer; - struct s2255_fw *fw_data; - struct s2255_pipeinfo pipe; - u32 cc; /* current channel */ - int frame_ready; - int chn_ready; - spinlock_t slock; - /* dsp firmware version (f2255usb.bin) */ - int dsp_fw_ver; - u16 pid; /* product id */ -}; - -static inline struct s2255_dev *to_s2255_dev(struct v4l2_device *v4l2_dev) -{ - return container_of(v4l2_dev, struct s2255_dev, v4l2_dev); -} - -struct s2255_fmt { - char *name; - u32 fourcc; - int depth; -}; - -/* buffer for one video frame */ -struct s2255_buffer { - /* common v4l buffer stuff -- must be first */ - struct videobuf_buffer vb; - const struct s2255_fmt *fmt; -}; - -struct s2255_fh { - struct s2255_dev *dev; - struct videobuf_queue vb_vidq; - enum v4l2_buf_type type; - struct s2255_channel *channel; - int resources; -}; - -/* current cypress EEPROM firmware version */ -#define S2255_CUR_USB_FWVER ((3 << 8) | 12) -/* current DSP FW version */ -#define S2255_CUR_DSP_FWVER 10104 -/* Need DSP version 5+ for video status feature */ -#define S2255_MIN_DSP_STATUS 5 -#define S2255_MIN_DSP_COLORFILTER 8 -#define S2255_NORMS (V4L2_STD_PAL | V4L2_STD_NTSC) - -/* private V4L2 controls */ - -/* - * The following chart displays how COLORFILTER should be set - * ========================================================= - * = fourcc = COLORFILTER = - * = =============================== - * = = 0 = 1 = - * ========================================================= - * = V4L2_PIX_FMT_GREY(Y8) = monochrome from = monochrome= - * = = s-video or = composite = - * = = B/W camera = input = - * ========================================================= - * = other = color, svideo = color, = - * = = = composite = - * ========================================================= - * - * Notes: - * channels 0-3 on 2255 are composite - * channels 0-1 on 2257 are composite, 2-3 are s-video - * If COLORFILTER is 0 with a composite color camera connected, - * the output will appear monochrome but hatching - * will occur. - * COLORFILTER is different from "color killer" and "color effects" - * for reasons above. - */ -#define S2255_V4L2_YC_ON 1 -#define S2255_V4L2_YC_OFF 0 -#define V4L2_CID_PRIVATE_COLORFILTER (V4L2_CID_PRIVATE_BASE + 0) - -/* frame prefix size (sent once every frame) */ -#define PREFIX_SIZE 512 - -/* Channels on box are in reverse order */ -static unsigned long G_chnmap[MAX_CHANNELS] = {3, 2, 1, 0}; - -static int debug; -static int *s2255_debug = &debug; - -static int s2255_start_readpipe(struct s2255_dev *dev); -static void s2255_stop_readpipe(struct s2255_dev *dev); -static int s2255_start_acquire(struct s2255_channel *channel); -static int s2255_stop_acquire(struct s2255_channel *channel); -static void s2255_fillbuff(struct s2255_channel *chn, struct s2255_buffer *buf, - int jpgsize); -static int s2255_set_mode(struct s2255_channel *chan, struct s2255_mode *mode); -static int s2255_board_shutdown(struct s2255_dev *dev); -static void s2255_fwload_start(struct s2255_dev *dev, int reset); -static void s2255_destroy(struct s2255_dev *dev); -static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req, - u16 index, u16 value, void *buf, - s32 buf_len, int bOut); - -/* dev_err macro with driver name */ -#define S2255_DRIVER_NAME "s2255" -#define s2255_dev_err(dev, fmt, arg...) \ - dev_err(dev, S2255_DRIVER_NAME " - " fmt, ##arg) - -#define dprintk(level, fmt, arg...) \ - do { \ - if (*s2255_debug >= (level)) { \ - printk(KERN_DEBUG S2255_DRIVER_NAME \ - ": " fmt, ##arg); \ - } \ - } while (0) - -static struct usb_driver s2255_driver; - -/* Declare static vars that will be used as parameters */ -static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ - -/* start video number */ -static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ - -/* Enable jpeg capture. */ -static int jpeg_enable = 1; - -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Debug level(0-100) default 0"); -module_param(vid_limit, int, 0644); -MODULE_PARM_DESC(vid_limit, "video memory limit(Mb)"); -module_param(video_nr, int, 0644); -MODULE_PARM_DESC(video_nr, "start video minor(-1 default autodetect)"); -module_param(jpeg_enable, int, 0644); -MODULE_PARM_DESC(jpeg_enable, "Jpeg enable(1-on 0-off) default 1"); - -/* USB device table */ -#define USB_SENSORAY_VID 0x1943 -static struct usb_device_id s2255_table[] = { - {USB_DEVICE(USB_SENSORAY_VID, 0x2255)}, - {USB_DEVICE(USB_SENSORAY_VID, 0x2257)}, /*same family as 2255*/ - { } /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(usb, s2255_table); - -#define BUFFER_TIMEOUT msecs_to_jiffies(400) - -/* image formats. */ -/* JPEG formats must be defined last to support jpeg_enable parameter */ -static const struct s2255_fmt formats[] = { - { - .name = "4:2:2, planar, YUV422P", - .fourcc = V4L2_PIX_FMT_YUV422P, - .depth = 16 - - }, { - .name = "4:2:2, packed, YUYV", - .fourcc = V4L2_PIX_FMT_YUYV, - .depth = 16 - - }, { - .name = "4:2:2, packed, UYVY", - .fourcc = V4L2_PIX_FMT_UYVY, - .depth = 16 - }, { - .name = "8bpp GREY", - .fourcc = V4L2_PIX_FMT_GREY, - .depth = 8 - }, { - .name = "JPG", - .fourcc = V4L2_PIX_FMT_JPEG, - .depth = 24 - }, { - .name = "MJPG", - .fourcc = V4L2_PIX_FMT_MJPEG, - .depth = 24 - } -}; - -static int norm_maxw(struct video_device *vdev) -{ - return (vdev->current_norm & V4L2_STD_NTSC) ? - LINE_SZ_4CIFS_NTSC : LINE_SZ_4CIFS_PAL; -} - -static int norm_maxh(struct video_device *vdev) -{ - return (vdev->current_norm & V4L2_STD_NTSC) ? - (NUM_LINES_1CIFS_NTSC * 2) : (NUM_LINES_1CIFS_PAL * 2); -} - -static int norm_minw(struct video_device *vdev) -{ - return (vdev->current_norm & V4L2_STD_NTSC) ? - LINE_SZ_1CIFS_NTSC : LINE_SZ_1CIFS_PAL; -} - -static int norm_minh(struct video_device *vdev) -{ - return (vdev->current_norm & V4L2_STD_NTSC) ? - (NUM_LINES_1CIFS_NTSC) : (NUM_LINES_1CIFS_PAL); -} - - -/* - * TODO: fixme: move YUV reordering to hardware - * converts 2255 planar format to yuyv or uyvy - */ -static void planar422p_to_yuv_packed(const unsigned char *in, - unsigned char *out, - int width, int height, - int fmt) -{ - unsigned char *pY; - unsigned char *pCb; - unsigned char *pCr; - unsigned long size = height * width; - unsigned int i; - pY = (unsigned char *)in; - pCr = (unsigned char *)in + height * width; - pCb = (unsigned char *)in + height * width + (height * width / 2); - for (i = 0; i < size * 2; i += 4) { - out[i] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCr++; - out[i + 1] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCr++ : *pY++; - out[i + 2] = (fmt == V4L2_PIX_FMT_YUYV) ? *pY++ : *pCb++; - out[i + 3] = (fmt == V4L2_PIX_FMT_YUYV) ? *pCb++ : *pY++; - } - return; -} - -static void s2255_reset_dsppower(struct s2255_dev *dev) -{ - s2255_vendor_req(dev, 0x40, 0x0000, 0x0001, NULL, 0, 1); - msleep(10); - s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); - msleep(600); - s2255_vendor_req(dev, 0x10, 0x0000, 0x0000, NULL, 0, 1); - return; -} - -/* kickstarts the firmware loading. from probe - */ -static void s2255_timer(unsigned long user_data) -{ - struct s2255_fw *data = (struct s2255_fw *)user_data; - dprintk(100, "%s\n", __func__); - if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { - printk(KERN_ERR "s2255: can't submit urb\n"); - atomic_set(&data->fw_state, S2255_FW_FAILED); - /* wake up anything waiting for the firmware */ - wake_up(&data->wait_fw); - return; - } -} - - -/* this loads the firmware asynchronously. - Originally this was done synchroously in probe. - But it is better to load it asynchronously here than block - inside the probe function. Blocking inside probe affects boot time. - FW loading is triggered by the timer in the probe function -*/ -static void s2255_fwchunk_complete(struct urb *urb) -{ - struct s2255_fw *data = urb->context; - struct usb_device *udev = urb->dev; - int len; - dprintk(100, "%s: udev %p urb %p", __func__, udev, urb); - if (urb->status) { - dev_err(&udev->dev, "URB failed with status %d\n", urb->status); - atomic_set(&data->fw_state, S2255_FW_FAILED); - /* wake up anything waiting for the firmware */ - wake_up(&data->wait_fw); - return; - } - if (data->fw_urb == NULL) { - s2255_dev_err(&udev->dev, "disconnected\n"); - atomic_set(&data->fw_state, S2255_FW_FAILED); - /* wake up anything waiting for the firmware */ - wake_up(&data->wait_fw); - return; - } -#define CHUNK_SIZE 512 - /* all USB transfers must be done with continuous kernel memory. - can't allocate more than 128k in current linux kernel, so - upload the firmware in chunks - */ - if (data->fw_loaded < data->fw_size) { - len = (data->fw_loaded + CHUNK_SIZE) > data->fw_size ? - data->fw_size % CHUNK_SIZE : CHUNK_SIZE; - - if (len < CHUNK_SIZE) - memset(data->pfw_data, 0, CHUNK_SIZE); - - dprintk(100, "completed len %d, loaded %d \n", len, - data->fw_loaded); - - memcpy(data->pfw_data, - (char *) data->fw->data + data->fw_loaded, len); - - usb_fill_bulk_urb(data->fw_urb, udev, usb_sndbulkpipe(udev, 2), - data->pfw_data, CHUNK_SIZE, - s2255_fwchunk_complete, data); - if (usb_submit_urb(data->fw_urb, GFP_ATOMIC) < 0) { - dev_err(&udev->dev, "failed submit URB\n"); - atomic_set(&data->fw_state, S2255_FW_FAILED); - /* wake up anything waiting for the firmware */ - wake_up(&data->wait_fw); - return; - } - data->fw_loaded += len; - } else { - atomic_set(&data->fw_state, S2255_FW_LOADED_DSPWAIT); - dprintk(100, "%s: firmware upload complete\n", __func__); - } - return; - -} - -static int s2255_got_frame(struct s2255_channel *channel, int jpgsize) -{ - struct s2255_dmaqueue *dma_q = &channel->vidq; - struct s2255_buffer *buf; - struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); - unsigned long flags = 0; - int rc = 0; - spin_lock_irqsave(&dev->slock, flags); - if (list_empty(&dma_q->active)) { - dprintk(1, "No active queue to serve\n"); - rc = -1; - goto unlock; - } - buf = list_entry(dma_q->active.next, - struct s2255_buffer, vb.queue); - list_del(&buf->vb.queue); - do_gettimeofday(&buf->vb.ts); - s2255_fillbuff(channel, buf, jpgsize); - wake_up(&buf->vb.done); - dprintk(2, "%s: [buf/i] [%p/%d]\n", __func__, buf, buf->vb.i); -unlock: - spin_unlock_irqrestore(&dev->slock, flags); - return rc; -} - -static const struct s2255_fmt *format_by_fourcc(int fourcc) -{ - unsigned int i; - for (i = 0; i < ARRAY_SIZE(formats); i++) { - if (-1 == formats[i].fourcc) - continue; - if (!jpeg_enable && ((formats[i].fourcc == V4L2_PIX_FMT_JPEG) || - (formats[i].fourcc == V4L2_PIX_FMT_MJPEG))) - continue; - if (formats[i].fourcc == fourcc) - return formats + i; - } - return NULL; -} - -/* video buffer vmalloc implementation based partly on VIVI driver which is - * Copyright (c) 2006 by - * Mauro Carvalho Chehab <mchehab--a.t--infradead.org> - * Ted Walther <ted--a.t--enumera.com> - * John Sokol <sokol--a.t--videotechnology.com> - * http://v4l.videotechnology.com/ - * - */ -static void s2255_fillbuff(struct s2255_channel *channel, - struct s2255_buffer *buf, int jpgsize) -{ - int pos = 0; - struct timeval ts; - const char *tmpbuf; - char *vbuf = videobuf_to_vmalloc(&buf->vb); - unsigned long last_frame; - - if (!vbuf) - return; - last_frame = channel->last_frame; - if (last_frame != -1) { - tmpbuf = - (const char *)channel->buffer.frame[last_frame].lpvbits; - switch (buf->fmt->fourcc) { - case V4L2_PIX_FMT_YUYV: - case V4L2_PIX_FMT_UYVY: - planar422p_to_yuv_packed((const unsigned char *)tmpbuf, - vbuf, buf->vb.width, - buf->vb.height, - buf->fmt->fourcc); - break; - case V4L2_PIX_FMT_GREY: - memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height); - break; - case V4L2_PIX_FMT_JPEG: - case V4L2_PIX_FMT_MJPEG: - buf->vb.size = jpgsize; - memcpy(vbuf, tmpbuf, buf->vb.size); - break; - case V4L2_PIX_FMT_YUV422P: - memcpy(vbuf, tmpbuf, - buf->vb.width * buf->vb.height * 2); - break; - default: - printk(KERN_DEBUG "s2255: unknown format?\n"); - } - channel->last_frame = -1; - } else { - printk(KERN_ERR "s2255: =======no frame\n"); - return; - - } - dprintk(2, "s2255fill at : Buffer 0x%08lx size= %d\n", - (unsigned long)vbuf, pos); - /* tell v4l buffer was filled */ - - buf->vb.field_count = channel->frame_count * 2; - do_gettimeofday(&ts); - buf->vb.ts = ts; - buf->vb.state = VIDEOBUF_DONE; -} - - -/* ------------------------------------------------------------------ - Videobuf operations - ------------------------------------------------------------------*/ - -static int buffer_setup(struct videobuf_queue *vq, unsigned int *count, - unsigned int *size) -{ - struct s2255_fh *fh = vq->priv_data; - struct s2255_channel *channel = fh->channel; - *size = channel->width * channel->height * (channel->fmt->depth >> 3); - - if (0 == *count) - *count = S2255_DEF_BUFS; - - if (*size * *count > vid_limit * 1024 * 1024) - *count = (vid_limit * 1024 * 1024) / *size; - - return 0; -} - -static void free_buffer(struct videobuf_queue *vq, struct s2255_buffer *buf) -{ - dprintk(4, "%s\n", __func__); - - videobuf_vmalloc_free(&buf->vb); - buf->vb.state = VIDEOBUF_NEEDS_INIT; -} - -static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct s2255_fh *fh = vq->priv_data; - struct s2255_channel *channel = fh->channel; - struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); - int rc; - int w = channel->width; - int h = channel->height; - dprintk(4, "%s, field=%d\n", __func__, field); - if (channel->fmt == NULL) - return -EINVAL; - - if ((w < norm_minw(&channel->vdev)) || - (w > norm_maxw(&channel->vdev)) || - (h < norm_minh(&channel->vdev)) || - (h > norm_maxh(&channel->vdev))) { - dprintk(4, "invalid buffer prepare\n"); - return -EINVAL; - } - buf->vb.size = w * h * (channel->fmt->depth >> 3); - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) { - dprintk(4, "invalid buffer prepare\n"); - return -EINVAL; - } - - buf->fmt = channel->fmt; - buf->vb.width = w; - buf->vb.height = h; - buf->vb.field = field; - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - rc = videobuf_iolock(vq, &buf->vb, NULL); - if (rc < 0) - goto fail; - } - - buf->vb.state = VIDEOBUF_PREPARED; - return 0; -fail: - free_buffer(vq, buf); - return rc; -} - -static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); - struct s2255_fh *fh = vq->priv_data; - struct s2255_channel *channel = fh->channel; - struct s2255_dmaqueue *vidq = &channel->vidq; - dprintk(1, "%s\n", __func__); - buf->vb.state = VIDEOBUF_QUEUED; - list_add_tail(&buf->vb.queue, &vidq->active); -} - -static void buffer_release(struct videobuf_queue *vq, - struct videobuf_buffer *vb) -{ - struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb); - struct s2255_fh *fh = vq->priv_data; - dprintk(4, "%s %d\n", __func__, fh->channel->idx); - free_buffer(vq, buf); -} - -static struct videobuf_queue_ops s2255_video_qops = { - .buf_setup = buffer_setup, - .buf_prepare = buffer_prepare, - .buf_queue = buffer_queue, - .buf_release = buffer_release, -}; - - -static int res_get(struct s2255_fh *fh) -{ - struct s2255_channel *channel = fh->channel; - /* is it free? */ - if (channel->resources) - return 0; /* no, someone else uses it */ - /* it's free, grab it */ - channel->resources = 1; - fh->resources = 1; - dprintk(1, "s2255: res: get\n"); - return 1; -} - -static int res_locked(struct s2255_fh *fh) -{ - return fh->channel->resources; -} - -static int res_check(struct s2255_fh *fh) -{ - return fh->resources; -} - - -static void res_free(struct s2255_fh *fh) -{ - struct s2255_channel *channel = fh->channel; - channel->resources = 0; - fh->resources = 0; - dprintk(1, "res: put\n"); -} - -static int vidioc_querymenu(struct file *file, void *priv, - struct v4l2_querymenu *qmenu) -{ - static const char *colorfilter[] = { - "Off", - "On", - NULL - }; - if (qmenu->id == V4L2_CID_PRIVATE_COLORFILTER) { - int i; - const char **menu_items = colorfilter; - for (i = 0; i < qmenu->index && menu_items[i]; i++) - ; /* do nothing (from v4l2-common.c) */ - if (menu_items[i] == NULL || menu_items[i][0] == '\0') - return -EINVAL; - strlcpy(qmenu->name, menu_items[qmenu->index], - sizeof(qmenu->name)); - return 0; - } - return v4l2_ctrl_query_menu(qmenu, NULL, NULL); -} - -static int vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct s2255_fh *fh = file->private_data; - struct s2255_dev *dev = fh->dev; - strlcpy(cap->driver, "s2255", sizeof(cap->driver)); - strlcpy(cap->card, "s2255", sizeof(cap->card)); - usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; - return 0; -} - -static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - int index = f->index; - - if (index >= ARRAY_SIZE(formats)) - return -EINVAL; - if (!jpeg_enable && ((formats[index].fourcc == V4L2_PIX_FMT_JPEG) || - (formats[index].fourcc == V4L2_PIX_FMT_MJPEG))) - return -EINVAL; - dprintk(4, "name %s\n", formats[index].name); - strlcpy(f->description, formats[index].name, sizeof(f->description)); - f->pixelformat = formats[index].fourcc; - return 0; -} - -static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - - f->fmt.pix.width = channel->width; - f->fmt.pix.height = channel->height; - f->fmt.pix.field = fh->vb_vidq.field; - f->fmt.pix.pixelformat = channel->fmt->fourcc; - f->fmt.pix.bytesperline = f->fmt.pix.width * (channel->fmt->depth >> 3); - f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; - return 0; -} - -static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - const struct s2255_fmt *fmt; - enum v4l2_field field; - int b_any_field = 0; - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - int is_ntsc; - is_ntsc = - (channel->vdev.current_norm & V4L2_STD_NTSC) ? 1 : 0; - - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - - if (fmt == NULL) - return -EINVAL; - - field = f->fmt.pix.field; - if (field == V4L2_FIELD_ANY) - b_any_field = 1; - - dprintk(50, "%s NTSC: %d suggested width: %d, height: %d\n", - __func__, is_ntsc, f->fmt.pix.width, f->fmt.pix.height); - if (is_ntsc) { - /* NTSC */ - if (f->fmt.pix.height >= NUM_LINES_1CIFS_NTSC * 2) { - f->fmt.pix.height = NUM_LINES_1CIFS_NTSC * 2; - if (b_any_field) { - field = V4L2_FIELD_SEQ_TB; - } else if (!((field == V4L2_FIELD_INTERLACED) || - (field == V4L2_FIELD_SEQ_TB) || - (field == V4L2_FIELD_INTERLACED_TB))) { - dprintk(1, "unsupported field setting\n"); - return -EINVAL; - } - } else { - f->fmt.pix.height = NUM_LINES_1CIFS_NTSC; - if (b_any_field) { - field = V4L2_FIELD_TOP; - } else if (!((field == V4L2_FIELD_TOP) || - (field == V4L2_FIELD_BOTTOM))) { - dprintk(1, "unsupported field setting\n"); - return -EINVAL; - } - - } - if (f->fmt.pix.width >= LINE_SZ_4CIFS_NTSC) - f->fmt.pix.width = LINE_SZ_4CIFS_NTSC; - else if (f->fmt.pix.width >= LINE_SZ_2CIFS_NTSC) - f->fmt.pix.width = LINE_SZ_2CIFS_NTSC; - else if (f->fmt.pix.width >= LINE_SZ_1CIFS_NTSC) - f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; - else - f->fmt.pix.width = LINE_SZ_1CIFS_NTSC; - } else { - /* PAL */ - if (f->fmt.pix.height >= NUM_LINES_1CIFS_PAL * 2) { - f->fmt.pix.height = NUM_LINES_1CIFS_PAL * 2; - if (b_any_field) { - field = V4L2_FIELD_SEQ_TB; - } else if (!((field == V4L2_FIELD_INTERLACED) || - (field == V4L2_FIELD_SEQ_TB) || - (field == V4L2_FIELD_INTERLACED_TB))) { - dprintk(1, "unsupported field setting\n"); - return -EINVAL; - } - } else { - f->fmt.pix.height = NUM_LINES_1CIFS_PAL; - if (b_any_field) { - field = V4L2_FIELD_TOP; - } else if (!((field == V4L2_FIELD_TOP) || - (field == V4L2_FIELD_BOTTOM))) { - dprintk(1, "unsupported field setting\n"); - return -EINVAL; - } - } - if (f->fmt.pix.width >= LINE_SZ_4CIFS_PAL) { - f->fmt.pix.width = LINE_SZ_4CIFS_PAL; - field = V4L2_FIELD_SEQ_TB; - } else if (f->fmt.pix.width >= LINE_SZ_2CIFS_PAL) { - f->fmt.pix.width = LINE_SZ_2CIFS_PAL; - field = V4L2_FIELD_TOP; - } else if (f->fmt.pix.width >= LINE_SZ_1CIFS_PAL) { - f->fmt.pix.width = LINE_SZ_1CIFS_PAL; - field = V4L2_FIELD_TOP; - } else { - f->fmt.pix.width = LINE_SZ_1CIFS_PAL; - field = V4L2_FIELD_TOP; - } - } - f->fmt.pix.field = field; - f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; - f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; - dprintk(50, "%s: set width %d height %d field %d\n", __func__, - f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); - return 0; -} - -static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - const struct s2255_fmt *fmt; - struct videobuf_queue *q = &fh->vb_vidq; - struct s2255_mode mode; - int ret; - - ret = vidioc_try_fmt_vid_cap(file, fh, f); - - if (ret < 0) - return ret; - - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - - if (fmt == NULL) - return -EINVAL; - - mutex_lock(&q->vb_lock); - - if (videobuf_queue_is_busy(&fh->vb_vidq)) { - dprintk(1, "queue busy\n"); - ret = -EBUSY; - goto out_s_fmt; - } - - if (res_locked(fh)) { - dprintk(1, "%s: channel busy\n", __func__); - ret = -EBUSY; - goto out_s_fmt; - } - mode = channel->mode; - channel->fmt = fmt; - channel->width = f->fmt.pix.width; - channel->height = f->fmt.pix.height; - fh->vb_vidq.field = f->fmt.pix.field; - fh->type = f->type; - if (channel->width > norm_minw(&channel->vdev)) { - if (channel->height > norm_minh(&channel->vdev)) { - if (channel->cap_parm.capturemode & - V4L2_MODE_HIGHQUALITY) - mode.scale = SCALE_4CIFSI; - else - mode.scale = SCALE_4CIFS; - } else - mode.scale = SCALE_2CIFS; - - } else { - mode.scale = SCALE_1CIFS; - } - /* color mode */ - switch (channel->fmt->fourcc) { - case V4L2_PIX_FMT_GREY: - mode.color &= ~MASK_COLOR; - mode.color |= COLOR_Y8; - break; - case V4L2_PIX_FMT_JPEG: - case V4L2_PIX_FMT_MJPEG: - mode.color &= ~MASK_COLOR; - mode.color |= COLOR_JPG; - mode.color |= (channel->jc.quality << 8); - break; - case V4L2_PIX_FMT_YUV422P: - mode.color &= ~MASK_COLOR; - mode.color |= COLOR_YUVPL; - break; - case V4L2_PIX_FMT_YUYV: - case V4L2_PIX_FMT_UYVY: - default: - mode.color &= ~MASK_COLOR; - mode.color |= COLOR_YUVPK; - break; - } - if ((mode.color & MASK_COLOR) != (channel->mode.color & MASK_COLOR)) - mode.restart = 1; - else if (mode.scale != channel->mode.scale) - mode.restart = 1; - else if (mode.format != channel->mode.format) - mode.restart = 1; - channel->mode = mode; - (void) s2255_set_mode(channel, &mode); - ret = 0; -out_s_fmt: - mutex_unlock(&q->vb_lock); - return ret; -} - -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - int rc; - struct s2255_fh *fh = priv; - rc = videobuf_reqbufs(&fh->vb_vidq, p); - return rc; -} - -static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - int rc; - struct s2255_fh *fh = priv; - rc = videobuf_querybuf(&fh->vb_vidq, p); - return rc; -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - int rc; - struct s2255_fh *fh = priv; - rc = videobuf_qbuf(&fh->vb_vidq, p); - return rc; -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - int rc; - struct s2255_fh *fh = priv; - rc = videobuf_dqbuf(&fh->vb_vidq, p, file->f_flags & O_NONBLOCK); - return rc; -} - -/* write to the configuration pipe, synchronously */ -static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf, - int size) -{ - int pipe; - int done; - long retval = -1; - if (udev) { - pipe = usb_sndbulkpipe(udev, S2255_CONFIG_EP); - retval = usb_bulk_msg(udev, pipe, pbuf, size, &done, 500); - } - return retval; -} - -static u32 get_transfer_size(struct s2255_mode *mode) -{ - int linesPerFrame = LINE_SZ_DEF; - int pixelsPerLine = NUM_LINES_DEF; - u32 outImageSize; - u32 usbInSize; - unsigned int mask_mult; - - if (mode == NULL) - return 0; - - if (mode->format == FORMAT_NTSC) { - switch (mode->scale) { - case SCALE_4CIFS: - case SCALE_4CIFSI: - linesPerFrame = NUM_LINES_4CIFS_NTSC * 2; - pixelsPerLine = LINE_SZ_4CIFS_NTSC; - break; - case SCALE_2CIFS: - linesPerFrame = NUM_LINES_2CIFS_NTSC; - pixelsPerLine = LINE_SZ_2CIFS_NTSC; - break; - case SCALE_1CIFS: - linesPerFrame = NUM_LINES_1CIFS_NTSC; - pixelsPerLine = LINE_SZ_1CIFS_NTSC; - break; - default: - break; - } - } else if (mode->format == FORMAT_PAL) { - switch (mode->scale) { - case SCALE_4CIFS: - case SCALE_4CIFSI: - linesPerFrame = NUM_LINES_4CIFS_PAL * 2; - pixelsPerLine = LINE_SZ_4CIFS_PAL; - break; - case SCALE_2CIFS: - linesPerFrame = NUM_LINES_2CIFS_PAL; - pixelsPerLine = LINE_SZ_2CIFS_PAL; - break; - case SCALE_1CIFS: - linesPerFrame = NUM_LINES_1CIFS_PAL; - pixelsPerLine = LINE_SZ_1CIFS_PAL; - break; - default: - break; - } - } - outImageSize = linesPerFrame * pixelsPerLine; - if ((mode->color & MASK_COLOR) != COLOR_Y8) { - /* 2 bytes/pixel if not monochrome */ - outImageSize *= 2; - } - - /* total bytes to send including prefix and 4K padding; - must be a multiple of USB_READ_SIZE */ - usbInSize = outImageSize + PREFIX_SIZE; /* always send prefix */ - mask_mult = 0xffffffffUL - DEF_USB_BLOCK + 1; - /* if size not a multiple of USB_READ_SIZE */ - if (usbInSize & ~mask_mult) - usbInSize = (usbInSize & mask_mult) + (DEF_USB_BLOCK); - return usbInSize; -} - -static void s2255_print_cfg(struct s2255_dev *sdev, struct s2255_mode *mode) -{ - struct device *dev = &sdev->udev->dev; - dev_info(dev, "------------------------------------------------\n"); - dev_info(dev, "format: %d\nscale %d\n", mode->format, mode->scale); - dev_info(dev, "fdec: %d\ncolor %d\n", mode->fdec, mode->color); - dev_info(dev, "bright: 0x%x\n", mode->bright); - dev_info(dev, "------------------------------------------------\n"); -} - -/* - * set mode is the function which controls the DSP. - * the restart parameter in struct s2255_mode should be set whenever - * the image size could change via color format, video system or image - * size. - * When the restart parameter is set, we sleep for ONE frame to allow the - * DSP time to get the new frame - */ -static int s2255_set_mode(struct s2255_channel *channel, - struct s2255_mode *mode) -{ - int res; - __le32 *buffer; - unsigned long chn_rev; - struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); - chn_rev = G_chnmap[channel->idx]; - dprintk(3, "%s channel: %d\n", __func__, channel->idx); - /* if JPEG, set the quality */ - if ((mode->color & MASK_COLOR) == COLOR_JPG) { - mode->color &= ~MASK_COLOR; - mode->color |= COLOR_JPG; - mode->color &= ~MASK_JPG_QUALITY; - mode->color |= (channel->jc.quality << 8); - } - /* save the mode */ - channel->mode = *mode; - channel->req_image_size = get_transfer_size(mode); - dprintk(1, "%s: reqsize %ld\n", __func__, channel->req_image_size); - buffer = kzalloc(512, GFP_KERNEL); - if (buffer == NULL) { - dev_err(&dev->udev->dev, "out of mem\n"); - return -ENOMEM; - } - /* set the mode */ - buffer[0] = IN_DATA_TOKEN; - buffer[1] = (__le32) cpu_to_le32(chn_rev); - buffer[2] = CMD_SET_MODE; - memcpy(&buffer[3], &channel->mode, sizeof(struct s2255_mode)); - channel->setmode_ready = 0; - res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); - if (debug) - s2255_print_cfg(dev, mode); - kfree(buffer); - /* wait at least 3 frames before continuing */ - if (mode->restart) { - wait_event_timeout(channel->wait_setmode, - (channel->setmode_ready != 0), - msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); - if (channel->setmode_ready != 1) { - printk(KERN_DEBUG "s2255: no set mode response\n"); - res = -EFAULT; - } - } - /* clear the restart flag */ - channel->mode.restart = 0; - dprintk(1, "%s chn %d, result: %d\n", __func__, channel->idx, res); - return res; -} - -static int s2255_cmd_status(struct s2255_channel *channel, u32 *pstatus) -{ - int res; - __le32 *buffer; - u32 chn_rev; - struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); - chn_rev = G_chnmap[channel->idx]; - dprintk(4, "%s chan %d\n", __func__, channel->idx); - buffer = kzalloc(512, GFP_KERNEL); - if (buffer == NULL) { - dev_err(&dev->udev->dev, "out of mem\n"); - return -ENOMEM; - } - /* form the get vid status command */ - buffer[0] = IN_DATA_TOKEN; - buffer[1] = (__le32) cpu_to_le32(chn_rev); - buffer[2] = CMD_STATUS; - *pstatus = 0; - channel->vidstatus_ready = 0; - res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); - kfree(buffer); - wait_event_timeout(channel->wait_vidstatus, - (channel->vidstatus_ready != 0), - msecs_to_jiffies(S2255_VIDSTATUS_TIMEOUT)); - if (channel->vidstatus_ready != 1) { - printk(KERN_DEBUG "s2255: no vidstatus response\n"); - res = -EFAULT; - } - *pstatus = channel->vidstatus; - dprintk(4, "%s, vid status %d\n", __func__, *pstatus); - return res; -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - int res; - struct s2255_fh *fh = priv; - struct s2255_dev *dev = fh->dev; - struct s2255_channel *channel = fh->channel; - int j; - dprintk(4, "%s\n", __func__); - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - dev_err(&dev->udev->dev, "invalid fh type0\n"); - return -EINVAL; - } - if (i != fh->type) { - dev_err(&dev->udev->dev, "invalid fh type1\n"); - return -EINVAL; - } - - if (!res_get(fh)) { - s2255_dev_err(&dev->udev->dev, "stream busy\n"); - return -EBUSY; - } - channel->last_frame = -1; - channel->bad_payload = 0; - channel->cur_frame = 0; - channel->frame_count = 0; - for (j = 0; j < SYS_FRAMES; j++) { - channel->buffer.frame[j].ulState = S2255_READ_IDLE; - channel->buffer.frame[j].cur_size = 0; - } - res = videobuf_streamon(&fh->vb_vidq); - if (res == 0) { - s2255_start_acquire(channel); - channel->b_acquire = 1; - } else - res_free(fh); - - return res; -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct s2255_fh *fh = priv; - dprintk(4, "%s\n, channel: %d", __func__, fh->channel->idx); - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - printk(KERN_ERR "invalid fh type0\n"); - return -EINVAL; - } - if (i != fh->type) { - printk(KERN_ERR "invalid type i\n"); - return -EINVAL; - } - s2255_stop_acquire(fh->channel); - videobuf_streamoff(&fh->vb_vidq); - res_free(fh); - return 0; -} - -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i) -{ - struct s2255_fh *fh = priv; - struct s2255_mode mode; - struct videobuf_queue *q = &fh->vb_vidq; - int ret = 0; - mutex_lock(&q->vb_lock); - if (videobuf_queue_is_busy(q)) { - dprintk(1, "queue busy\n"); - ret = -EBUSY; - goto out_s_std; - } - if (res_locked(fh)) { - dprintk(1, "can't change standard after started\n"); - ret = -EBUSY; - goto out_s_std; - } - mode = fh->channel->mode; - if (*i & V4L2_STD_NTSC) { - dprintk(4, "%s NTSC\n", __func__); - /* if changing format, reset frame decimation/intervals */ - if (mode.format != FORMAT_NTSC) { - mode.restart = 1; - mode.format = FORMAT_NTSC; - mode.fdec = FDEC_1; - } - } else if (*i & V4L2_STD_PAL) { - dprintk(4, "%s PAL\n", __func__); - if (mode.format != FORMAT_PAL) { - mode.restart = 1; - mode.format = FORMAT_PAL; - mode.fdec = FDEC_1; - } - } else { - ret = -EINVAL; - } - if (mode.restart) - s2255_set_mode(fh->channel, &mode); -out_s_std: - mutex_unlock(&q->vb_lock); - return ret; -} - -/* Sensoray 2255 is a multiple channel capture device. - It does not have a "crossbar" of inputs. - We use one V4L device per channel. The user must - be aware that certain combinations are not allowed. - For instance, you cannot do full FPS on more than 2 channels(2 videodevs) - at once in color(you can do full fps on 4 channels with greyscale. -*/ -static int vidioc_enum_input(struct file *file, void *priv, - struct v4l2_input *inp) -{ - struct s2255_fh *fh = priv; - struct s2255_dev *dev = fh->dev; - struct s2255_channel *channel = fh->channel; - u32 status = 0; - if (inp->index != 0) - return -EINVAL; - inp->type = V4L2_INPUT_TYPE_CAMERA; - inp->std = S2255_NORMS; - inp->status = 0; - if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) { - int rc; - rc = s2255_cmd_status(fh->channel, &status); - dprintk(4, "s2255_cmd_status rc: %d status %x\n", rc, status); - if (rc == 0) - inp->status = (status & 0x01) ? 0 - : V4L2_IN_ST_NO_SIGNAL; - } - switch (dev->pid) { - case 0x2255: - default: - strlcpy(inp->name, "Composite", sizeof(inp->name)); - break; - case 0x2257: - strlcpy(inp->name, (channel->idx < 2) ? "Composite" : "S-Video", - sizeof(inp->name)); - break; - } - return 0; -} - -static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) -{ - *i = 0; - return 0; -} -static int vidioc_s_input(struct file *file, void *priv, unsigned int i) -{ - if (i > 0) - return -EINVAL; - return 0; -} - -/* --- controls ---------------------------------------------- */ -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - struct s2255_dev *dev = fh->dev; - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - v4l2_ctrl_query_fill(qc, -127, 127, 1, DEF_BRIGHT); - break; - case V4L2_CID_CONTRAST: - v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_CONTRAST); - break; - case V4L2_CID_SATURATION: - v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_SATURATION); - break; - case V4L2_CID_HUE: - v4l2_ctrl_query_fill(qc, 0, 255, 1, DEF_HUE); - break; - case V4L2_CID_PRIVATE_COLORFILTER: - if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) - return -EINVAL; - if ((dev->pid == 0x2257) && (channel->idx > 1)) - return -EINVAL; - strlcpy(qc->name, "Color Filter", sizeof(qc->name)); - qc->type = V4L2_CTRL_TYPE_MENU; - qc->minimum = 0; - qc->maximum = 1; - qc->step = 1; - qc->default_value = 1; - qc->flags = 0; - break; - default: - return -EINVAL; - } - dprintk(4, "%s, id %d\n", __func__, qc->id); - return 0; -} - -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct s2255_fh *fh = priv; - struct s2255_dev *dev = fh->dev; - struct s2255_channel *channel = fh->channel; - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - ctrl->value = channel->mode.bright; - break; - case V4L2_CID_CONTRAST: - ctrl->value = channel->mode.contrast; - break; - case V4L2_CID_SATURATION: - ctrl->value = channel->mode.saturation; - break; - case V4L2_CID_HUE: - ctrl->value = channel->mode.hue; - break; - case V4L2_CID_PRIVATE_COLORFILTER: - if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) - return -EINVAL; - if ((dev->pid == 0x2257) && (channel->idx > 1)) - return -EINVAL; - ctrl->value = !((channel->mode.color & MASK_INPUT_TYPE) >> 16); - break; - default: - return -EINVAL; - } - dprintk(4, "%s, id %d val %d\n", __func__, ctrl->id, ctrl->value); - return 0; -} - -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); - struct s2255_mode mode; - mode = channel->mode; - dprintk(4, "%s\n", __func__); - /* update the mode to the corresponding value */ - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - mode.bright = ctrl->value; - break; - case V4L2_CID_CONTRAST: - mode.contrast = ctrl->value; - break; - case V4L2_CID_HUE: - mode.hue = ctrl->value; - break; - case V4L2_CID_SATURATION: - mode.saturation = ctrl->value; - break; - case V4L2_CID_PRIVATE_COLORFILTER: - if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) - return -EINVAL; - if ((dev->pid == 0x2257) && (channel->idx > 1)) - return -EINVAL; - mode.color &= ~MASK_INPUT_TYPE; - mode.color |= ((ctrl->value ? 0 : 1) << 16); - break; - default: - return -EINVAL; - } - mode.restart = 0; - /* set mode here. Note: stream does not need restarted. - some V4L programs restart stream unnecessarily - after a s_crtl. - */ - s2255_set_mode(fh->channel, &mode); - return 0; -} - -static int vidioc_g_jpegcomp(struct file *file, void *priv, - struct v4l2_jpegcompression *jc) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - *jc = channel->jc; - dprintk(2, "%s: quality %d\n", __func__, jc->quality); - return 0; -} - -static int vidioc_s_jpegcomp(struct file *file, void *priv, - struct v4l2_jpegcompression *jc) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - if (jc->quality < 0 || jc->quality > 100) - return -EINVAL; - channel->jc.quality = jc->quality; - dprintk(2, "%s: quality %d\n", __func__, jc->quality); - return 0; -} - -static int vidioc_g_parm(struct file *file, void *priv, - struct v4l2_streamparm *sp) -{ - struct s2255_fh *fh = priv; - __u32 def_num, def_dem; - struct s2255_channel *channel = fh->channel; - if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - memset(sp, 0, sizeof(struct v4l2_streamparm)); - sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; - sp->parm.capture.capturemode = channel->cap_parm.capturemode; - def_num = (channel->mode.format == FORMAT_NTSC) ? 1001 : 1000; - def_dem = (channel->mode.format == FORMAT_NTSC) ? 30000 : 25000; - sp->parm.capture.timeperframe.denominator = def_dem; - switch (channel->mode.fdec) { - default: - case FDEC_1: - sp->parm.capture.timeperframe.numerator = def_num; - break; - case FDEC_2: - sp->parm.capture.timeperframe.numerator = def_num * 2; - break; - case FDEC_3: - sp->parm.capture.timeperframe.numerator = def_num * 3; - break; - case FDEC_5: - sp->parm.capture.timeperframe.numerator = def_num * 5; - break; - } - dprintk(4, "%s capture mode, %d timeperframe %d/%d\n", __func__, - sp->parm.capture.capturemode, - sp->parm.capture.timeperframe.numerator, - sp->parm.capture.timeperframe.denominator); - return 0; -} - -static int vidioc_s_parm(struct file *file, void *priv, - struct v4l2_streamparm *sp) -{ - struct s2255_fh *fh = priv; - struct s2255_channel *channel = fh->channel; - struct s2255_mode mode; - int fdec = FDEC_1; - __u32 def_num, def_dem; - if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - mode = channel->mode; - /* high quality capture mode requires a stream restart */ - if (channel->cap_parm.capturemode - != sp->parm.capture.capturemode && res_locked(fh)) - return -EBUSY; - def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000; - def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000; - if (def_dem != sp->parm.capture.timeperframe.denominator) - sp->parm.capture.timeperframe.numerator = def_num; - else if (sp->parm.capture.timeperframe.numerator <= def_num) - sp->parm.capture.timeperframe.numerator = def_num; - else if (sp->parm.capture.timeperframe.numerator <= (def_num * 2)) { - sp->parm.capture.timeperframe.numerator = def_num * 2; - fdec = FDEC_2; - } else if (sp->parm.capture.timeperframe.numerator <= (def_num * 3)) { - sp->parm.capture.timeperframe.numerator = def_num * 3; - fdec = FDEC_3; - } else { - sp->parm.capture.timeperframe.numerator = def_num * 5; - fdec = FDEC_5; - } - mode.fdec = fdec; - sp->parm.capture.timeperframe.denominator = def_dem; - s2255_set_mode(channel, &mode); - dprintk(4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n", - __func__, - sp->parm.capture.capturemode, - sp->parm.capture.timeperframe.numerator, - sp->parm.capture.timeperframe.denominator, fdec); - return 0; -} - -static int vidioc_enum_frameintervals(struct file *file, void *priv, - struct v4l2_frmivalenum *fe) -{ - int is_ntsc = 0; -#define NUM_FRAME_ENUMS 4 - int frm_dec[NUM_FRAME_ENUMS] = {1, 2, 3, 5}; - if (fe->index < 0 || fe->index >= NUM_FRAME_ENUMS) - return -EINVAL; - switch (fe->width) { - case 640: - if (fe->height != 240 && fe->height != 480) - return -EINVAL; - is_ntsc = 1; - break; - case 320: - if (fe->height != 240) - return -EINVAL; - is_ntsc = 1; - break; - case 704: - if (fe->height != 288 && fe->height != 576) - return -EINVAL; - break; - case 352: - if (fe->height != 288) - return -EINVAL; - break; - default: - return -EINVAL; - } - fe->type = V4L2_FRMIVAL_TYPE_DISCRETE; - fe->discrete.denominator = is_ntsc ? 30000 : 25000; - fe->discrete.numerator = (is_ntsc ? 1001 : 1000) * frm_dec[fe->index]; - dprintk(4, "%s discrete %d/%d\n", __func__, fe->discrete.numerator, - fe->discrete.denominator); - return 0; -} - -static int s2255_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct s2255_channel *channel = video_drvdata(file); - struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); - struct s2255_fh *fh; - enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - int state; - dprintk(1, "s2255: open called (dev=%s)\n", - video_device_node_name(vdev)); - /* - * open lock necessary to prevent multiple instances - * of v4l-conf (or other programs) from simultaneously - * reloading firmware. - */ - mutex_lock(&dev->open_lock); - state = atomic_read(&dev->fw_data->fw_state); - switch (state) { - case S2255_FW_DISCONNECTING: - mutex_unlock(&dev->open_lock); - return -ENODEV; - case S2255_FW_FAILED: - s2255_dev_err(&dev->udev->dev, - "firmware load failed. retrying.\n"); - s2255_fwload_start(dev, 1); - wait_event_timeout(dev->fw_data->wait_fw, - ((atomic_read(&dev->fw_data->fw_state) - == S2255_FW_SUCCESS) || - (atomic_read(&dev->fw_data->fw_state) - == S2255_FW_DISCONNECTING)), - msecs_to_jiffies(S2255_LOAD_TIMEOUT)); - /* state may have changed, re-read */ - state = atomic_read(&dev->fw_data->fw_state); - break; - case S2255_FW_NOTLOADED: - case S2255_FW_LOADED_DSPWAIT: - /* give S2255_LOAD_TIMEOUT time for firmware to load in case - driver loaded and then device immediately opened */ - printk(KERN_INFO "%s waiting for firmware load\n", __func__); - wait_event_timeout(dev->fw_data->wait_fw, - ((atomic_read(&dev->fw_data->fw_state) - == S2255_FW_SUCCESS) || - (atomic_read(&dev->fw_data->fw_state) - == S2255_FW_DISCONNECTING)), - msecs_to_jiffies(S2255_LOAD_TIMEOUT)); - /* state may have changed, re-read */ - state = atomic_read(&dev->fw_data->fw_state); - break; - case S2255_FW_SUCCESS: - default: - break; - } - /* state may have changed in above switch statement */ - switch (state) { - case S2255_FW_SUCCESS: - break; - case S2255_FW_FAILED: - printk(KERN_INFO "2255 firmware load failed.\n"); - mutex_unlock(&dev->open_lock); - return -ENODEV; - case S2255_FW_DISCONNECTING: - printk(KERN_INFO "%s: disconnecting\n", __func__); - mutex_unlock(&dev->open_lock); - return -ENODEV; - case S2255_FW_LOADED_DSPWAIT: - case S2255_FW_NOTLOADED: - printk(KERN_INFO "%s: firmware not loaded yet" - "please try again later\n", - __func__); - /* - * Timeout on firmware load means device unusable. - * Set firmware failure state. - * On next s2255_open the firmware will be reloaded. - */ - atomic_set(&dev->fw_data->fw_state, - S2255_FW_FAILED); - mutex_unlock(&dev->open_lock); - return -EAGAIN; - default: - printk(KERN_INFO "%s: unknown state\n", __func__); - mutex_unlock(&dev->open_lock); - return -EFAULT; - } - mutex_unlock(&dev->open_lock); - /* allocate + initialize per filehandle data */ - fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) - return -ENOMEM; - file->private_data = fh; - fh->dev = dev; - fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - fh->channel = channel; - if (!channel->configured) { - /* configure channel to default state */ - channel->fmt = &formats[0]; - s2255_set_mode(channel, &channel->mode); - channel->configured = 1; - } - dprintk(1, "%s: dev=%s type=%s\n", __func__, - video_device_node_name(vdev), v4l2_type_names[type]); - dprintk(2, "%s: fh=0x%08lx, dev=0x%08lx, vidq=0x%08lx\n", __func__, - (unsigned long)fh, (unsigned long)dev, - (unsigned long)&channel->vidq); - dprintk(4, "%s: list_empty active=%d\n", __func__, - list_empty(&channel->vidq.active)); - videobuf_queue_vmalloc_init(&fh->vb_vidq, &s2255_video_qops, - NULL, &dev->slock, - fh->type, - V4L2_FIELD_INTERLACED, - sizeof(struct s2255_buffer), - fh, vdev->lock); - return 0; -} - - -static unsigned int s2255_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct s2255_fh *fh = file->private_data; - int rc; - dprintk(100, "%s\n", __func__); - if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) - return POLLERR; - rc = videobuf_poll_stream(file, &fh->vb_vidq, wait); - return rc; -} - -static void s2255_destroy(struct s2255_dev *dev) -{ - /* board shutdown stops the read pipe if it is running */ - s2255_board_shutdown(dev); - /* make sure firmware still not trying to load */ - del_timer(&dev->timer); /* only started in .probe and .open */ - if (dev->fw_data->fw_urb) { - usb_kill_urb(dev->fw_data->fw_urb); - usb_free_urb(dev->fw_data->fw_urb); - dev->fw_data->fw_urb = NULL; - } - release_firmware(dev->fw_data->fw); - kfree(dev->fw_data->pfw_data); - kfree(dev->fw_data); - /* reset the DSP so firmware can be reloaded next time */ - s2255_reset_dsppower(dev); - mutex_destroy(&dev->open_lock); - mutex_destroy(&dev->lock); - usb_put_dev(dev->udev); - v4l2_device_unregister(&dev->v4l2_dev); - dprintk(1, "%s", __func__); - kfree(dev); -} - -static int s2255_release(struct file *file) -{ - struct s2255_fh *fh = file->private_data; - struct s2255_dev *dev = fh->dev; - struct video_device *vdev = video_devdata(file); - struct s2255_channel *channel = fh->channel; - if (!dev) - return -ENODEV; - /* turn off stream */ - if (res_check(fh)) { - if (channel->b_acquire) - s2255_stop_acquire(fh->channel); - videobuf_streamoff(&fh->vb_vidq); - res_free(fh); - } - videobuf_mmap_free(&fh->vb_vidq); - dprintk(1, "%s (dev=%s)\n", __func__, video_device_node_name(vdev)); - kfree(fh); - return 0; -} - -static int s2255_mmap_v4l(struct file *file, struct vm_area_struct *vma) -{ - struct s2255_fh *fh = file->private_data; - int ret; - - if (!fh) - return -ENODEV; - dprintk(4, "%s, vma=0x%08lx\n", __func__, (unsigned long)vma); - ret = videobuf_mmap_mapper(&fh->vb_vidq, vma); - dprintk(4, "%s vma start=0x%08lx, size=%ld, ret=%d\n", __func__, - (unsigned long)vma->vm_start, - (unsigned long)vma->vm_end - (unsigned long)vma->vm_start, ret); - return ret; -} - -static const struct v4l2_file_operations s2255_fops_v4l = { - .owner = THIS_MODULE, - .open = s2255_open, - .release = s2255_release, - .poll = s2255_poll, - .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ - .mmap = s2255_mmap_v4l, -}; - -static const struct v4l2_ioctl_ops s2255_ioctl_ops = { - .vidioc_querymenu = vidioc_querymenu, - .vidioc_querycap = vidioc_querycap, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - .vidioc_s_std = vidioc_s_std, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, - .vidioc_s_jpegcomp = vidioc_s_jpegcomp, - .vidioc_g_jpegcomp = vidioc_g_jpegcomp, - .vidioc_s_parm = vidioc_s_parm, - .vidioc_g_parm = vidioc_g_parm, - .vidioc_enum_frameintervals = vidioc_enum_frameintervals, -}; - -static void s2255_video_device_release(struct video_device *vdev) -{ - struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev); - dprintk(4, "%s, chnls: %d \n", __func__, - atomic_read(&dev->num_channels)); - if (atomic_dec_and_test(&dev->num_channels)) - s2255_destroy(dev); - return; -} - -static struct video_device template = { - .name = "s2255v", - .fops = &s2255_fops_v4l, - .ioctl_ops = &s2255_ioctl_ops, - .release = s2255_video_device_release, - .tvnorms = S2255_NORMS, - .current_norm = V4L2_STD_NTSC_M, -}; - -static int s2255_probe_v4l(struct s2255_dev *dev) -{ - int ret; - int i; - int cur_nr = video_nr; - struct s2255_channel *channel; - ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev); - if (ret) - return ret; - /* initialize all video 4 linux */ - /* register 4 video devices */ - for (i = 0; i < MAX_CHANNELS; i++) { - channel = &dev->channel[i]; - INIT_LIST_HEAD(&channel->vidq.active); - channel->vidq.dev = dev; - /* register 4 video devices */ - channel->vdev = template; - channel->vdev.lock = &dev->lock; - /* Locking in file operations other than ioctl should be done - by the driver, not the V4L2 core. - This driver needs auditing so that this flag can be removed. */ - set_bit(V4L2_FL_LOCK_ALL_FOPS, &channel->vdev.flags); - channel->vdev.v4l2_dev = &dev->v4l2_dev; - video_set_drvdata(&channel->vdev, channel); - if (video_nr == -1) - ret = video_register_device(&channel->vdev, - VFL_TYPE_GRABBER, - video_nr); - else - ret = video_register_device(&channel->vdev, - VFL_TYPE_GRABBER, - cur_nr + i); - - if (ret) { - dev_err(&dev->udev->dev, - "failed to register video device!\n"); - break; - } - atomic_inc(&dev->num_channels); - v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n", - video_device_node_name(&channel->vdev)); - - } - printk(KERN_INFO "Sensoray 2255 V4L driver Revision: %s\n", - S2255_VERSION); - /* if no channels registered, return error and probe will fail*/ - if (atomic_read(&dev->num_channels) == 0) { - v4l2_device_unregister(&dev->v4l2_dev); - return ret; - } - if (atomic_read(&dev->num_channels) != MAX_CHANNELS) - printk(KERN_WARNING "s2255: Not all channels available.\n"); - return 0; -} - -/* this function moves the usb stream read pipe data - * into the system buffers. - * returns 0 on success, EAGAIN if more data to process( call this - * function again). - * - * Received frame structure: - * bytes 0-3: marker : 0x2255DA4AL (S2255_MARKER_FRAME) - * bytes 4-7: channel: 0-3 - * bytes 8-11: payload size: size of the frame - * bytes 12-payloadsize+12: frame data - */ -static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) -{ - char *pdest; - u32 offset = 0; - int bframe = 0; - char *psrc; - unsigned long copy_size; - unsigned long size; - s32 idx = -1; - struct s2255_framei *frm; - unsigned char *pdata; - struct s2255_channel *channel; - dprintk(100, "buffer to user\n"); - channel = &dev->channel[dev->cc]; - idx = channel->cur_frame; - frm = &channel->buffer.frame[idx]; - if (frm->ulState == S2255_READ_IDLE) { - int jj; - unsigned int cc; - __le32 *pdword; /*data from dsp is little endian */ - int payload; - /* search for marker codes */ - pdata = (unsigned char *)pipe_info->transfer_buffer; - pdword = (__le32 *)pdata; - for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) { - switch (*pdword) { - case S2255_MARKER_FRAME: - dprintk(4, "found frame marker at offset:" - " %d [%x %x]\n", jj, pdata[0], - pdata[1]); - offset = jj + PREFIX_SIZE; - bframe = 1; - cc = le32_to_cpu(pdword[1]); - if (cc >= MAX_CHANNELS) { - printk(KERN_ERR - "bad channel\n"); - return -EINVAL; - } - /* reverse it */ - dev->cc = G_chnmap[cc]; - channel = &dev->channel[dev->cc]; - payload = le32_to_cpu(pdword[3]); - if (payload > channel->req_image_size) { - channel->bad_payload++; - /* discard the bad frame */ - return -EINVAL; - } - channel->pkt_size = payload; - channel->jpg_size = le32_to_cpu(pdword[4]); - break; - case S2255_MARKER_RESPONSE: - - pdata += DEF_USB_BLOCK; - jj += DEF_USB_BLOCK; - if (le32_to_cpu(pdword[1]) >= MAX_CHANNELS) - break; - cc = G_chnmap[le32_to_cpu(pdword[1])]; - if (cc >= MAX_CHANNELS) - break; - channel = &dev->channel[cc]; - switch (pdword[2]) { - case S2255_RESPONSE_SETMODE: - /* check if channel valid */ - /* set mode ready */ - channel->setmode_ready = 1; - wake_up(&channel->wait_setmode); - dprintk(5, "setmode ready %d\n", cc); - break; - case S2255_RESPONSE_FW: - dev->chn_ready |= (1 << cc); - if ((dev->chn_ready & 0x0f) != 0x0f) - break; - /* all channels ready */ - printk(KERN_INFO "s2255: fw loaded\n"); - atomic_set(&dev->fw_data->fw_state, - S2255_FW_SUCCESS); - wake_up(&dev->fw_data->wait_fw); - break; - case S2255_RESPONSE_STATUS: - channel->vidstatus = le32_to_cpu(pdword[3]); - channel->vidstatus_ready = 1; - wake_up(&channel->wait_vidstatus); - dprintk(5, "got vidstatus %x chan %d\n", - le32_to_cpu(pdword[3]), cc); - break; - default: - printk(KERN_INFO "s2255 unknown resp\n"); - } - default: - pdata++; - break; - } - if (bframe) - break; - } /* for */ - if (!bframe) - return -EINVAL; - } - channel = &dev->channel[dev->cc]; - idx = channel->cur_frame; - frm = &channel->buffer.frame[idx]; - /* search done. now find out if should be acquiring on this channel */ - if (!channel->b_acquire) { - /* we found a frame, but this channel is turned off */ - frm->ulState = S2255_READ_IDLE; - return -EINVAL; - } - - if (frm->ulState == S2255_READ_IDLE) { - frm->ulState = S2255_READ_FRAME; - frm->cur_size = 0; - } - - /* skip the marker 512 bytes (and offset if out of sync) */ - psrc = (u8 *)pipe_info->transfer_buffer + offset; - - - if (frm->lpvbits == NULL) { - dprintk(1, "s2255 frame buffer == NULL.%p %p %d %d", - frm, dev, dev->cc, idx); - return -ENOMEM; - } - - pdest = frm->lpvbits + frm->cur_size; - - copy_size = (pipe_info->cur_transfer_size - offset); - - size = channel->pkt_size - PREFIX_SIZE; - - /* sanity check on pdest */ - if ((copy_size + frm->cur_size) < channel->req_image_size) - memcpy(pdest, psrc, copy_size); - - frm->cur_size += copy_size; - dprintk(4, "cur_size size %lu size %lu \n", frm->cur_size, size); - - if (frm->cur_size >= size) { - dprintk(2, "****************[%d]Buffer[%d]full*************\n", - dev->cc, idx); - channel->last_frame = channel->cur_frame; - channel->cur_frame++; - /* end of system frame ring buffer, start at zero */ - if ((channel->cur_frame == SYS_FRAMES) || - (channel->cur_frame == channel->buffer.dwFrames)) - channel->cur_frame = 0; - /* frame ready */ - if (channel->b_acquire) - s2255_got_frame(channel, channel->jpg_size); - channel->frame_count++; - frm->ulState = S2255_READ_IDLE; - frm->cur_size = 0; - - } - /* done successfully */ - return 0; -} - -static void s2255_read_video_callback(struct s2255_dev *dev, - struct s2255_pipeinfo *pipe_info) -{ - int res; - dprintk(50, "callback read video \n"); - - if (dev->cc >= MAX_CHANNELS) { - dev->cc = 0; - dev_err(&dev->udev->dev, "invalid channel\n"); - return; - } - /* otherwise copy to the system buffers */ - res = save_frame(dev, pipe_info); - if (res != 0) - dprintk(4, "s2255: read callback failed\n"); - - dprintk(50, "callback read video done\n"); - return; -} - -static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, - u16 Index, u16 Value, void *TransferBuffer, - s32 TransferBufferLength, int bOut) -{ - int r; - if (!bOut) { - r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), - Request, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | - USB_DIR_IN, - Value, Index, TransferBuffer, - TransferBufferLength, HZ * 5); - } else { - r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, - Value, Index, TransferBuffer, - TransferBufferLength, HZ * 5); - } - return r; -} - -/* - * retrieve FX2 firmware version. future use. - * @param dev pointer to device extension - * @return -1 for fail, else returns firmware version as an int(16 bits) - */ -static int s2255_get_fx2fw(struct s2255_dev *dev) -{ - int fw; - int ret; - unsigned char transBuffer[64]; - ret = s2255_vendor_req(dev, S2255_VR_FW, 0, 0, transBuffer, 2, - S2255_VR_IN); - if (ret < 0) - dprintk(2, "get fw error: %x\n", ret); - fw = transBuffer[0] + (transBuffer[1] << 8); - dprintk(2, "Get FW %x %x\n", transBuffer[0], transBuffer[1]); - return fw; -} - -/* - * Create the system ring buffer to copy frames into from the - * usb read pipe. - */ -static int s2255_create_sys_buffers(struct s2255_channel *channel) -{ - unsigned long i; - unsigned long reqsize; - dprintk(1, "create sys buffers\n"); - channel->buffer.dwFrames = SYS_FRAMES; - /* always allocate maximum size(PAL) for system buffers */ - reqsize = SYS_FRAMES_MAXSIZE; - - if (reqsize > SYS_FRAMES_MAXSIZE) - reqsize = SYS_FRAMES_MAXSIZE; - - for (i = 0; i < SYS_FRAMES; i++) { - /* allocate the frames */ - channel->buffer.frame[i].lpvbits = vmalloc(reqsize); - dprintk(1, "valloc %p chan %d, idx %lu, pdata %p\n", - &channel->buffer.frame[i], channel->idx, i, - channel->buffer.frame[i].lpvbits); - channel->buffer.frame[i].size = reqsize; - if (channel->buffer.frame[i].lpvbits == NULL) { - printk(KERN_INFO "out of memory. using less frames\n"); - channel->buffer.dwFrames = i; - break; - } - } - - /* make sure internal states are set */ - for (i = 0; i < SYS_FRAMES; i++) { - channel->buffer.frame[i].ulState = 0; - channel->buffer.frame[i].cur_size = 0; - } - - channel->cur_frame = 0; - channel->last_frame = -1; - return 0; -} - -static int s2255_release_sys_buffers(struct s2255_channel *channel) -{ - unsigned long i; - dprintk(1, "release sys buffers\n"); - for (i = 0; i < SYS_FRAMES; i++) { - if (channel->buffer.frame[i].lpvbits) { - dprintk(1, "vfree %p\n", - channel->buffer.frame[i].lpvbits); - vfree(channel->buffer.frame[i].lpvbits); - } - channel->buffer.frame[i].lpvbits = NULL; - } - return 0; -} - -static int s2255_board_init(struct s2255_dev *dev) -{ - struct s2255_mode mode_def = DEF_MODEI_NTSC_CONT; - int fw_ver; - int j; - struct s2255_pipeinfo *pipe = &dev->pipe; - dprintk(4, "board init: %p", dev); - memset(pipe, 0, sizeof(*pipe)); - pipe->dev = dev; - pipe->cur_transfer_size = S2255_USB_XFER_SIZE; - pipe->max_transfer_size = S2255_USB_XFER_SIZE; - - pipe->transfer_buffer = kzalloc(pipe->max_transfer_size, - GFP_KERNEL); - if (pipe->transfer_buffer == NULL) { - dprintk(1, "out of memory!\n"); - return -ENOMEM; - } - /* query the firmware */ - fw_ver = s2255_get_fx2fw(dev); - - printk(KERN_INFO "s2255: usb firmware version %d.%d\n", - (fw_ver >> 8) & 0xff, - fw_ver & 0xff); - - if (fw_ver < S2255_CUR_USB_FWVER) - printk(KERN_INFO "s2255: newer USB firmware available\n"); - - for (j = 0; j < MAX_CHANNELS; j++) { - struct s2255_channel *channel = &dev->channel[j]; - channel->b_acquire = 0; - channel->mode = mode_def; - if (dev->pid == 0x2257 && j > 1) - channel->mode.color |= (1 << 16); - channel->jc.quality = S2255_DEF_JPEG_QUAL; - channel->width = LINE_SZ_4CIFS_NTSC; - channel->height = NUM_LINES_4CIFS_NTSC * 2; - channel->fmt = &formats[0]; - channel->mode.restart = 1; - channel->req_image_size = get_transfer_size(&mode_def); - channel->frame_count = 0; - /* create the system buffers */ - s2255_create_sys_buffers(channel); - } - /* start read pipe */ - s2255_start_readpipe(dev); - dprintk(1, "%s: success\n", __func__); - return 0; -} - -static int s2255_board_shutdown(struct s2255_dev *dev) -{ - u32 i; - dprintk(1, "%s: dev: %p", __func__, dev); - - for (i = 0; i < MAX_CHANNELS; i++) { - if (dev->channel[i].b_acquire) - s2255_stop_acquire(&dev->channel[i]); - } - s2255_stop_readpipe(dev); - for (i = 0; i < MAX_CHANNELS; i++) - s2255_release_sys_buffers(&dev->channel[i]); - /* release transfer buffer */ - kfree(dev->pipe.transfer_buffer); - return 0; -} - -static void read_pipe_completion(struct urb *purb) -{ - struct s2255_pipeinfo *pipe_info; - struct s2255_dev *dev; - int status; - int pipe; - pipe_info = purb->context; - dprintk(100, "%s: urb:%p, status %d\n", __func__, purb, - purb->status); - if (pipe_info == NULL) { - dev_err(&purb->dev->dev, "no context!\n"); - return; - } - - dev = pipe_info->dev; - if (dev == NULL) { - dev_err(&purb->dev->dev, "no context!\n"); - return; - } - status = purb->status; - /* if shutting down, do not resubmit, exit immediately */ - if (status == -ESHUTDOWN) { - dprintk(2, "%s: err shutdown\n", __func__); - pipe_info->err_count++; - return; - } - - if (pipe_info->state == 0) { - dprintk(2, "%s: exiting USB pipe", __func__); - return; - } - - if (status == 0) - s2255_read_video_callback(dev, pipe_info); - else { - pipe_info->err_count++; - dprintk(1, "%s: failed URB %d\n", __func__, status); - } - - pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); - /* reuse urb */ - usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, - pipe, - pipe_info->transfer_buffer, - pipe_info->cur_transfer_size, - read_pipe_completion, pipe_info); - - if (pipe_info->state != 0) { - if (usb_submit_urb(pipe_info->stream_urb, GFP_ATOMIC)) { - dev_err(&dev->udev->dev, "error submitting urb\n"); - } - } else { - dprintk(2, "%s :complete state 0\n", __func__); - } - return; -} - -static int s2255_start_readpipe(struct s2255_dev *dev) -{ - int pipe; - int retval; - struct s2255_pipeinfo *pipe_info = &dev->pipe; - pipe = usb_rcvbulkpipe(dev->udev, dev->read_endpoint); - dprintk(2, "%s: IN %d\n", __func__, dev->read_endpoint); - pipe_info->state = 1; - pipe_info->err_count = 0; - pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pipe_info->stream_urb) { - dev_err(&dev->udev->dev, - "ReadStream: Unable to alloc URB\n"); - return -ENOMEM; - } - /* transfer buffer allocated in board_init */ - usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, - pipe, - pipe_info->transfer_buffer, - pipe_info->cur_transfer_size, - read_pipe_completion, pipe_info); - retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL); - if (retval) { - printk(KERN_ERR "s2255: start read pipe failed\n"); - return retval; - } - return 0; -} - -/* starts acquisition process */ -static int s2255_start_acquire(struct s2255_channel *channel) -{ - unsigned char *buffer; - int res; - unsigned long chn_rev; - int j; - struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); - chn_rev = G_chnmap[channel->idx]; - buffer = kzalloc(512, GFP_KERNEL); - if (buffer == NULL) { - dev_err(&dev->udev->dev, "out of mem\n"); - return -ENOMEM; - } - - channel->last_frame = -1; - channel->bad_payload = 0; - channel->cur_frame = 0; - for (j = 0; j < SYS_FRAMES; j++) { - channel->buffer.frame[j].ulState = 0; - channel->buffer.frame[j].cur_size = 0; - } - - /* send the start command */ - *(__le32 *) buffer = IN_DATA_TOKEN; - *((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev); - *((__le32 *) buffer + 2) = CMD_START; - res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); - if (res != 0) - dev_err(&dev->udev->dev, "CMD_START error\n"); - - dprintk(2, "start acquire exit[%d] %d \n", channel->idx, res); - kfree(buffer); - return 0; -} - -static int s2255_stop_acquire(struct s2255_channel *channel) -{ - unsigned char *buffer; - int res; - unsigned long chn_rev; - struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev); - chn_rev = G_chnmap[channel->idx]; - buffer = kzalloc(512, GFP_KERNEL); - if (buffer == NULL) { - dev_err(&dev->udev->dev, "out of mem\n"); - return -ENOMEM; - } - /* send the stop command */ - *(__le32 *) buffer = IN_DATA_TOKEN; - *((__le32 *) buffer + 1) = (__le32) cpu_to_le32(chn_rev); - *((__le32 *) buffer + 2) = CMD_STOP; - res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512); - if (res != 0) - dev_err(&dev->udev->dev, "CMD_STOP error\n"); - kfree(buffer); - channel->b_acquire = 0; - dprintk(4, "%s: chn %d, res %d\n", __func__, channel->idx, res); - return res; -} - -static void s2255_stop_readpipe(struct s2255_dev *dev) -{ - struct s2255_pipeinfo *pipe = &dev->pipe; - - pipe->state = 0; - if (pipe->stream_urb) { - /* cancel urb */ - usb_kill_urb(pipe->stream_urb); - usb_free_urb(pipe->stream_urb); - pipe->stream_urb = NULL; - } - dprintk(4, "%s", __func__); - return; -} - -static void s2255_fwload_start(struct s2255_dev *dev, int reset) -{ - if (reset) - s2255_reset_dsppower(dev); - dev->fw_data->fw_size = dev->fw_data->fw->size; - atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED); - memcpy(dev->fw_data->pfw_data, - dev->fw_data->fw->data, CHUNK_SIZE); - dev->fw_data->fw_loaded = CHUNK_SIZE; - usb_fill_bulk_urb(dev->fw_data->fw_urb, dev->udev, - usb_sndbulkpipe(dev->udev, 2), - dev->fw_data->pfw_data, - CHUNK_SIZE, s2255_fwchunk_complete, - dev->fw_data); - mod_timer(&dev->timer, jiffies + HZ); -} - -/* standard usb probe function */ -static int s2255_probe(struct usb_interface *interface, - const struct usb_device_id *id) -{ - struct s2255_dev *dev = NULL; - struct usb_host_interface *iface_desc; - struct usb_endpoint_descriptor *endpoint; - int i; - int retval = -ENOMEM; - __le32 *pdata; - int fw_size; - dprintk(2, "%s\n", __func__); - /* allocate memory for our device state and initialize it to zero */ - dev = kzalloc(sizeof(struct s2255_dev), GFP_KERNEL); - if (dev == NULL) { - s2255_dev_err(&interface->dev, "out of memory\n"); - return -ENOMEM; - } - atomic_set(&dev->num_channels, 0); - dev->pid = id->idProduct; - dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL); - if (!dev->fw_data) - goto errorFWDATA1; - mutex_init(&dev->lock); - mutex_init(&dev->open_lock); - /* grab usb_device and save it */ - dev->udev = usb_get_dev(interface_to_usbdev(interface)); - if (dev->udev == NULL) { - dev_err(&interface->dev, "null usb device\n"); - retval = -ENODEV; - goto errorUDEV; - } - dprintk(1, "dev: %p, udev %p interface %p\n", dev, - dev->udev, interface); - dev->interface = interface; - /* set up the endpoint information */ - iface_desc = interface->cur_altsetting; - dprintk(1, "num endpoints %d\n", iface_desc->desc.bNumEndpoints); - for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { - endpoint = &iface_desc->endpoint[i].desc; - if (!dev->read_endpoint && usb_endpoint_is_bulk_in(endpoint)) { - /* we found the bulk in endpoint */ - dev->read_endpoint = endpoint->bEndpointAddress; - } - } - - if (!dev->read_endpoint) { - dev_err(&interface->dev, "Could not find bulk-in endpoint\n"); - goto errorEP; - } - init_timer(&dev->timer); - dev->timer.function = s2255_timer; - dev->timer.data = (unsigned long)dev->fw_data; - init_waitqueue_head(&dev->fw_data->wait_fw); - for (i = 0; i < MAX_CHANNELS; i++) { - struct s2255_channel *channel = &dev->channel[i]; - dev->channel[i].idx = i; - init_waitqueue_head(&channel->wait_setmode); - init_waitqueue_head(&channel->wait_vidstatus); - } - - dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->fw_data->fw_urb) { - dev_err(&interface->dev, "out of memory!\n"); - goto errorFWURB; - } - - dev->fw_data->pfw_data = kzalloc(CHUNK_SIZE, GFP_KERNEL); - if (!dev->fw_data->pfw_data) { - dev_err(&interface->dev, "out of memory!\n"); - goto errorFWDATA2; - } - /* load the first chunk */ - if (request_firmware(&dev->fw_data->fw, - FIRMWARE_FILE_NAME, &dev->udev->dev)) { - printk(KERN_ERR "sensoray 2255 failed to get firmware\n"); - goto errorREQFW; - } - /* check the firmware is valid */ - fw_size = dev->fw_data->fw->size; - pdata = (__le32 *) &dev->fw_data->fw->data[fw_size - 8]; - - if (*pdata != S2255_FW_MARKER) { - printk(KERN_INFO "Firmware invalid.\n"); - retval = -ENODEV; - goto errorFWMARKER; - } else { - /* make sure firmware is the latest */ - __le32 *pRel; - pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4]; - printk(KERN_INFO "s2255 dsp fw version %x\n", *pRel); - dev->dsp_fw_ver = le32_to_cpu(*pRel); - if (dev->dsp_fw_ver < S2255_CUR_DSP_FWVER) - printk(KERN_INFO "s2255: f2255usb.bin out of date.\n"); - if (dev->pid == 0x2257 && - dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER) - printk(KERN_WARNING "s2255: 2257 requires firmware %d" - " or above.\n", S2255_MIN_DSP_COLORFILTER); - } - usb_reset_device(dev->udev); - /* load 2255 board specific */ - retval = s2255_board_init(dev); - if (retval) - goto errorBOARDINIT; - spin_lock_init(&dev->slock); - s2255_fwload_start(dev, 0); - /* loads v4l specific */ - retval = s2255_probe_v4l(dev); - if (retval) - goto errorBOARDINIT; - dev_info(&interface->dev, "Sensoray 2255 detected\n"); - return 0; -errorBOARDINIT: - s2255_board_shutdown(dev); -errorFWMARKER: - release_firmware(dev->fw_data->fw); -errorREQFW: - kfree(dev->fw_data->pfw_data); -errorFWDATA2: - usb_free_urb(dev->fw_data->fw_urb); -errorFWURB: - del_timer(&dev->timer); -errorEP: - usb_put_dev(dev->udev); -errorUDEV: - kfree(dev->fw_data); - mutex_destroy(&dev->open_lock); - mutex_destroy(&dev->lock); -errorFWDATA1: - kfree(dev); - printk(KERN_WARNING "Sensoray 2255 driver load failed: 0x%x\n", retval); - return retval; -} - -/* disconnect routine. when board is removed physically or with rmmod */ -static void s2255_disconnect(struct usb_interface *interface) -{ - struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface)); - int i; - int channels = atomic_read(&dev->num_channels); - mutex_lock(&dev->lock); - v4l2_device_disconnect(&dev->v4l2_dev); - mutex_unlock(&dev->lock); - /*see comments in the uvc_driver.c usb disconnect function */ - atomic_inc(&dev->num_channels); - /* unregister each video device. */ - for (i = 0; i < channels; i++) - video_unregister_device(&dev->channel[i].vdev); - /* wake up any of our timers */ - atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); - wake_up(&dev->fw_data->wait_fw); - for (i = 0; i < MAX_CHANNELS; i++) { - dev->channel[i].setmode_ready = 1; - wake_up(&dev->channel[i].wait_setmode); - dev->channel[i].vidstatus_ready = 1; - wake_up(&dev->channel[i].wait_vidstatus); - } - if (atomic_dec_and_test(&dev->num_channels)) - s2255_destroy(dev); - dev_info(&interface->dev, "%s\n", __func__); -} - -static struct usb_driver s2255_driver = { - .name = S2255_DRIVER_NAME, - .probe = s2255_probe, - .disconnect = s2255_disconnect, - .id_table = s2255_table, -}; - -module_usb_driver(s2255_driver); - -MODULE_DESCRIPTION("Sensoray 2255 Video for Linux driver"); -MODULE_AUTHOR("Dean Anderson (Sensoray Company Inc.)"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(S2255_VERSION); -MODULE_FIRMWARE(FIRMWARE_FILE_NAME); |