From: Mauro Carvalho Chehab Date: Fri, 24 Aug 2012 14:25:10 +0000 (-0300) Subject: Merge tag 'v3.6-rc3' into staging/for_v3.7 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=79e8c7bebb467bbc3f2514d75bba669a3f354324;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git Merge tag 'v3.6-rc3' into staging/for_v3.7 Linux 3.6-rc3 * tag 'v3.6-rc3': (764 commits) Linux 3.6-rc3 task_work: add a scheduling point in task_work_run() fs: fix fs/namei.c kernel-doc warnings eventpoll: use-after-possible-free in epoll_create1() vfio: grab vfio_device reference *before* exposing the sucker via fd_install() vfio: get rid of vfio_device_put()/vfio_group_get_device* races vfio: get rid of open-coding kref_put_mutex introduce kref_put_mutex() vfio: don't dereference after kfree... fbcon: fix race condition between console lock and cursor timer (v1.1) mm: compaction: Abort async compaction if locks are contended or taking too long mm: have order > 0 compaction start near a pageblock with free pages rapidio/tsi721: fix unused variable compiler warning rapidio/tsi721: fix inbound doorbell interrupt handling drivers/rtc/rtc-rs5c348.c: fix hour decoding in 12-hour mode mm: correct page->pfmemalloc to fix deactivate_slab regression drivers/rtc/rtc-pcf2123.c: initialize dynamic sysfs attributes mm/compaction.c: fix deferring compaction mistake drivers/misc/sgi-xp/xpc_uv.c: SGI XPC fails to load when cpu 0 is out of IRQ resources string: do not export memweight() to userspace ... --- 79e8c7bebb467bbc3f2514d75bba669a3f354324 diff --cc drivers/media/platform/mem2mem_testdev.c index 51b6dd4ddbf7,000000000000..0b496f39a65f mode 100644,000000..100644 --- a/drivers/media/platform/mem2mem_testdev.c +++ b/drivers/media/platform/mem2mem_testdev.c @@@ -1,1130 -1,0 +1,1130 @@@ +/* + * A virtual v4l2-mem2mem example device. + * + * This is a virtual device driver for testing mem-to-mem videobuf framework. + * It simulates a device that uses memory buffers for both source and + * destination, processes the data and issues an "irq" (simulated by a timer). + * The device is capable of multi-instance, multi-buffer-per-transaction + * operation (via the mem2mem framework). + * + * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. + * Pawel Osciak, + * Marek Szyprowski, + * + * 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 + */ +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#define MEM2MEM_TEST_MODULE_NAME "mem2mem-testdev" + +MODULE_DESCRIPTION("Virtual device for mem2mem framework testing"); +MODULE_AUTHOR("Pawel Osciak, "); +MODULE_LICENSE("GPL"); +MODULE_VERSION("0.1.1"); + +#define MIN_W 32 +#define MIN_H 32 +#define MAX_W 640 +#define MAX_H 480 +#define DIM_ALIGN_MASK 7 /* 8-byte alignment for line length */ + +/* Flags that indicate a format can be used for capture/output */ +#define MEM2MEM_CAPTURE (1 << 0) +#define MEM2MEM_OUTPUT (1 << 1) + +#define MEM2MEM_NAME "m2m-testdev" + +/* Per queue */ +#define MEM2MEM_DEF_NUM_BUFS VIDEO_MAX_FRAME +/* In bytes, per queue */ +#define MEM2MEM_VID_MEM_LIMIT (16 * 1024 * 1024) + +/* Default transaction time in msec */ +#define MEM2MEM_DEF_TRANSTIME 1000 +/* Default number of buffers per transaction */ +#define MEM2MEM_DEF_TRANSLEN 1 +#define MEM2MEM_COLOR_STEP (0xff >> 4) +#define MEM2MEM_NUM_TILES 8 + +/* Flags that indicate processing mode */ +#define MEM2MEM_HFLIP (1 << 0) +#define MEM2MEM_VFLIP (1 << 1) + +#define dprintk(dev, fmt, arg...) \ + v4l2_dbg(1, 1, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg) + + +void m2mtest_dev_release(struct device *dev) +{} + +static struct platform_device m2mtest_pdev = { + .name = MEM2MEM_NAME, + .dev.release = m2mtest_dev_release, +}; + +struct m2mtest_fmt { + char *name; + u32 fourcc; + int depth; + /* Types the format can be used for */ + u32 types; +}; + +static struct m2mtest_fmt formats[] = { + { + .name = "RGB565 (BE)", + .fourcc = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */ + .depth = 16, + /* Both capture and output format */ + .types = MEM2MEM_CAPTURE | MEM2MEM_OUTPUT, + }, + { + .name = "4:2:2, packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + /* Output-only format */ + .types = MEM2MEM_OUTPUT, + }, +}; + +#define NUM_FORMATS ARRAY_SIZE(formats) + +/* Per-queue, driver-specific private data */ +struct m2mtest_q_data { + unsigned int width; + unsigned int height; + unsigned int sizeimage; + struct m2mtest_fmt *fmt; +}; + +enum { + V4L2_M2M_SRC = 0, + V4L2_M2M_DST = 1, +}; + +#define V4L2_CID_TRANS_TIME_MSEC (V4L2_CID_USER_BASE + 0x1000) +#define V4L2_CID_TRANS_NUM_BUFS (V4L2_CID_USER_BASE + 0x1001) + +static struct m2mtest_fmt *find_format(struct v4l2_format *f) +{ + struct m2mtest_fmt *fmt; + unsigned int k; + + for (k = 0; k < NUM_FORMATS; k++) { + fmt = &formats[k]; + if (fmt->fourcc == f->fmt.pix.pixelformat) + break; + } + + if (k == NUM_FORMATS) + return NULL; + + return &formats[k]; +} + +struct m2mtest_dev { + struct v4l2_device v4l2_dev; + struct video_device *vfd; + + atomic_t num_inst; + struct mutex dev_mutex; + spinlock_t irqlock; + + struct timer_list timer; + + struct v4l2_m2m_dev *m2m_dev; +}; + +struct m2mtest_ctx { + struct v4l2_fh fh; + struct m2mtest_dev *dev; + + struct v4l2_ctrl_handler hdl; + + /* Processed buffers in this transaction */ + u8 num_processed; + + /* Transaction length (i.e. how many buffers per transaction) */ + u32 translen; + /* Transaction time (i.e. simulated processing time) in milliseconds */ + u32 transtime; + + /* Abort requested by m2m */ + int aborting; + + /* Processing mode */ + int mode; + + enum v4l2_colorspace colorspace; + + struct v4l2_m2m_ctx *m2m_ctx; + + /* Source and destination queue data */ + struct m2mtest_q_data q_data[2]; +}; + +static inline struct m2mtest_ctx *file2ctx(struct file *file) +{ + return container_of(file->private_data, struct m2mtest_ctx, fh); +} + +static struct m2mtest_q_data *get_q_data(struct m2mtest_ctx *ctx, + enum v4l2_buf_type type) +{ + switch (type) { + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + return &ctx->q_data[V4L2_M2M_SRC]; + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return &ctx->q_data[V4L2_M2M_DST]; + default: + BUG(); + } + return NULL; +} + + +static int device_process(struct m2mtest_ctx *ctx, + struct vb2_buffer *in_vb, + struct vb2_buffer *out_vb) +{ + struct m2mtest_dev *dev = ctx->dev; + struct m2mtest_q_data *q_data; + u8 *p_in, *p_out; + int x, y, t, w; + int tile_w, bytes_left; + int width, height, bytesperline; + + q_data = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + + width = q_data->width; + height = q_data->height; + bytesperline = (q_data->width * q_data->fmt->depth) >> 3; + + p_in = vb2_plane_vaddr(in_vb, 0); + p_out = vb2_plane_vaddr(out_vb, 0); + if (!p_in || !p_out) { + v4l2_err(&dev->v4l2_dev, + "Acquiring kernel pointers to buffers failed\n"); + return -EFAULT; + } + + if (vb2_plane_size(in_vb, 0) > vb2_plane_size(out_vb, 0)) { + v4l2_err(&dev->v4l2_dev, "Output buffer is too small\n"); + return -EINVAL; + } + + tile_w = (width * (q_data[V4L2_M2M_DST].fmt->depth >> 3)) + / MEM2MEM_NUM_TILES; + bytes_left = bytesperline - tile_w * MEM2MEM_NUM_TILES; + w = 0; + + switch (ctx->mode) { + case MEM2MEM_HFLIP | MEM2MEM_VFLIP: + p_out += bytesperline * height - bytes_left; + for (y = 0; y < height; ++y) { + for (t = 0; t < MEM2MEM_NUM_TILES; ++t) { + if (w & 0x1) { + for (x = 0; x < tile_w; ++x) + *--p_out = *p_in++ + + MEM2MEM_COLOR_STEP; + } else { + for (x = 0; x < tile_w; ++x) + *--p_out = *p_in++ - + MEM2MEM_COLOR_STEP; + } + ++w; + } + p_in += bytes_left; + p_out -= bytes_left; + } + break; + + case MEM2MEM_HFLIP: + for (y = 0; y < height; ++y) { + p_out += MEM2MEM_NUM_TILES * tile_w; + for (t = 0; t < MEM2MEM_NUM_TILES; ++t) { + if (w & 0x01) { + for (x = 0; x < tile_w; ++x) + *--p_out = *p_in++ + + MEM2MEM_COLOR_STEP; + } else { + for (x = 0; x < tile_w; ++x) + *--p_out = *p_in++ - + MEM2MEM_COLOR_STEP; + } + ++w; + } + p_in += bytes_left; + p_out += bytesperline; + } + break; + + case MEM2MEM_VFLIP: + p_out += bytesperline * (height - 1); + for (y = 0; y < height; ++y) { + for (t = 0; t < MEM2MEM_NUM_TILES; ++t) { + if (w & 0x1) { + for (x = 0; x < tile_w; ++x) + *p_out++ = *p_in++ + + MEM2MEM_COLOR_STEP; + } else { + for (x = 0; x < tile_w; ++x) + *p_out++ = *p_in++ - + MEM2MEM_COLOR_STEP; + } + ++w; + } + p_in += bytes_left; + p_out += bytes_left - 2 * bytesperline; + } + break; + + default: + for (y = 0; y < height; ++y) { + for (t = 0; t < MEM2MEM_NUM_TILES; ++t) { + if (w & 0x1) { + for (x = 0; x < tile_w; ++x) + *p_out++ = *p_in++ + + MEM2MEM_COLOR_STEP; + } else { + for (x = 0; x < tile_w; ++x) + *p_out++ = *p_in++ - + MEM2MEM_COLOR_STEP; + } + ++w; + } + p_in += bytes_left; + p_out += bytes_left; + } + } + + return 0; +} + +static void schedule_irq(struct m2mtest_dev *dev, int msec_timeout) +{ + dprintk(dev, "Scheduling a simulated irq\n"); + mod_timer(&dev->timer, jiffies + msecs_to_jiffies(msec_timeout)); +} + +/* + * mem2mem callbacks + */ + +/** + * job_ready() - check whether an instance is ready to be scheduled to run + */ +static int job_ready(void *priv) +{ + struct m2mtest_ctx *ctx = priv; + + if (v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) < ctx->translen + || v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx) < ctx->translen) { + dprintk(ctx->dev, "Not enough buffers available\n"); + return 0; + } + + return 1; +} + +static void job_abort(void *priv) +{ + struct m2mtest_ctx *ctx = priv; + + /* Will cancel the transaction in the next interrupt handler */ + ctx->aborting = 1; +} + +static void m2mtest_lock(void *priv) +{ + struct m2mtest_ctx *ctx = priv; + struct m2mtest_dev *dev = ctx->dev; + mutex_lock(&dev->dev_mutex); +} + +static void m2mtest_unlock(void *priv) +{ + struct m2mtest_ctx *ctx = priv; + struct m2mtest_dev *dev = ctx->dev; + mutex_unlock(&dev->dev_mutex); +} + + +/* device_run() - prepares and starts the device + * + * This simulates all the immediate preparations required before starting + * a device. This will be called by the framework when it decides to schedule + * a particular instance. + */ +static void device_run(void *priv) +{ + struct m2mtest_ctx *ctx = priv; + struct m2mtest_dev *dev = ctx->dev; + struct vb2_buffer *src_buf, *dst_buf; + + src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + + device_process(ctx, src_buf, dst_buf); + + /* Run a timer, which simulates a hardware irq */ + schedule_irq(dev, ctx->transtime); +} + +static void device_isr(unsigned long priv) +{ + struct m2mtest_dev *m2mtest_dev = (struct m2mtest_dev *)priv; + struct m2mtest_ctx *curr_ctx; + struct vb2_buffer *src_vb, *dst_vb; + unsigned long flags; + + curr_ctx = v4l2_m2m_get_curr_priv(m2mtest_dev->m2m_dev); + + if (NULL == curr_ctx) { + printk(KERN_ERR + "Instance released before the end of transaction\n"); + return; + } + + src_vb = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx); + dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx); + + curr_ctx->num_processed++; + + spin_lock_irqsave(&m2mtest_dev->irqlock, flags); + v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); + v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); + spin_unlock_irqrestore(&m2mtest_dev->irqlock, flags); + + if (curr_ctx->num_processed == curr_ctx->translen + || curr_ctx->aborting) { + dprintk(curr_ctx->dev, "Finishing transaction\n"); + curr_ctx->num_processed = 0; + v4l2_m2m_job_finish(m2mtest_dev->m2m_dev, curr_ctx->m2m_ctx); + } else { + device_run(curr_ctx); + } +} + +/* + * video ioctls + */ +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + strncpy(cap->driver, MEM2MEM_NAME, sizeof(cap->driver) - 1); + strncpy(cap->card, MEM2MEM_NAME, sizeof(cap->card) - 1); + strlcpy(cap->bus_info, MEM2MEM_NAME, sizeof(cap->bus_info)); - cap->capabilities = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; ++ cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; + return 0; +} + +static int enum_fmt(struct v4l2_fmtdesc *f, u32 type) +{ + int i, num; + struct m2mtest_fmt *fmt; + + num = 0; + + for (i = 0; i < NUM_FORMATS; ++i) { + if (formats[i].types & type) { + /* index-th format of type type found ? */ + if (num == f->index) + break; + /* Correct type but haven't reached our index yet, + * just increment per-type index */ + ++num; + } + } + + if (i < NUM_FORMATS) { + /* Format found */ + fmt = &formats[i]; + strncpy(f->description, fmt->name, sizeof(f->description) - 1); + f->pixelformat = fmt->fourcc; + return 0; + } + + /* Format not found */ + return -EINVAL; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + return enum_fmt(f, MEM2MEM_CAPTURE); +} + +static int vidioc_enum_fmt_vid_out(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + return enum_fmt(f, MEM2MEM_OUTPUT); +} + +static int vidioc_g_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f) +{ + struct vb2_queue *vq; + struct m2mtest_q_data *q_data; + + vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + if (!vq) + return -EINVAL; + + q_data = get_q_data(ctx, f->type); + + f->fmt.pix.width = q_data->width; + f->fmt.pix.height = q_data->height; + f->fmt.pix.field = V4L2_FIELD_NONE; + f->fmt.pix.pixelformat = q_data->fmt->fourcc; + f->fmt.pix.bytesperline = (q_data->width * q_data->fmt->depth) >> 3; + f->fmt.pix.sizeimage = q_data->sizeimage; + f->fmt.pix.colorspace = ctx->colorspace; + + return 0; +} + +static int vidioc_g_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + return vidioc_g_fmt(file2ctx(file), f); +} + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + return vidioc_g_fmt(file2ctx(file), f); +} + +static int vidioc_try_fmt(struct v4l2_format *f, struct m2mtest_fmt *fmt) +{ + enum v4l2_field field; + + field = f->fmt.pix.field; + + if (field == V4L2_FIELD_ANY) + field = V4L2_FIELD_NONE; + else if (V4L2_FIELD_NONE != field) + return -EINVAL; + + /* V4L2 specification suggests the driver corrects the format struct + * if any of the dimensions is unsupported */ + f->fmt.pix.field = field; + + if (f->fmt.pix.height < MIN_H) + f->fmt.pix.height = MIN_H; + else if (f->fmt.pix.height > MAX_H) + f->fmt.pix.height = MAX_H; + + if (f->fmt.pix.width < MIN_W) + f->fmt.pix.width = MIN_W; + else if (f->fmt.pix.width > MAX_W) + f->fmt.pix.width = MAX_W; + + f->fmt.pix.width &= ~DIM_ALIGN_MASK; + f->fmt.pix.bytesperline = (f->fmt.pix.width * 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) +{ + struct m2mtest_fmt *fmt; + struct m2mtest_ctx *ctx = file2ctx(file); + + fmt = find_format(f); + if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) { + v4l2_err(&ctx->dev->v4l2_dev, + "Fourcc format (0x%08x) invalid.\n", + f->fmt.pix.pixelformat); + return -EINVAL; + } + f->fmt.pix.colorspace = ctx->colorspace; + + return vidioc_try_fmt(f, fmt); +} + +static int vidioc_try_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct m2mtest_fmt *fmt; + struct m2mtest_ctx *ctx = file2ctx(file); + + fmt = find_format(f); + if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) { + v4l2_err(&ctx->dev->v4l2_dev, + "Fourcc format (0x%08x) invalid.\n", + f->fmt.pix.pixelformat); + return -EINVAL; + } + if (!f->fmt.pix.colorspace) + f->fmt.pix.colorspace = V4L2_COLORSPACE_REC709; + + return vidioc_try_fmt(f, fmt); +} + +static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f) +{ + struct m2mtest_q_data *q_data; + struct vb2_queue *vq; + + vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + if (!vq) + return -EINVAL; + + q_data = get_q_data(ctx, f->type); + if (!q_data) + return -EINVAL; + + if (vb2_is_busy(vq)) { + v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__); + return -EBUSY; + } + + q_data->fmt = find_format(f); + q_data->width = f->fmt.pix.width; + q_data->height = f->fmt.pix.height; + q_data->sizeimage = q_data->width * q_data->height + * q_data->fmt->depth >> 3; + + dprintk(ctx->dev, + "Setting format for type %d, wxh: %dx%d, fmt: %d\n", + f->type, q_data->width, q_data->height, q_data->fmt->fourcc); + + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + int ret; + + ret = vidioc_try_fmt_vid_cap(file, priv, f); + if (ret) + return ret; + + return vidioc_s_fmt(file2ctx(file), f); +} + +static int vidioc_s_fmt_vid_out(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + int ret; + + ret = vidioc_try_fmt_vid_out(file, priv, f); + if (ret) + return ret; + + ret = vidioc_s_fmt(file2ctx(file), f); + if (!ret) + ctx->colorspace = f->fmt.pix.colorspace; + return ret; +} + +static int vidioc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *reqbufs) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); +} + +static int vidioc_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); +} + +static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); +} + +static int vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); +} + +static int vidioc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); +} + +static int m2mtest_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct m2mtest_ctx *ctx = + container_of(ctrl->handler, struct m2mtest_ctx, hdl); + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + if (ctrl->val) + ctx->mode |= MEM2MEM_HFLIP; + else + ctx->mode &= ~MEM2MEM_HFLIP; + break; + + case V4L2_CID_VFLIP: + if (ctrl->val) + ctx->mode |= MEM2MEM_VFLIP; + else + ctx->mode &= ~MEM2MEM_VFLIP; + break; + + case V4L2_CID_TRANS_TIME_MSEC: + ctx->transtime = ctrl->val; + break; + + case V4L2_CID_TRANS_NUM_BUFS: + ctx->translen = ctrl->val; + break; + + default: + v4l2_err(&ctx->dev->v4l2_dev, "Invalid control\n"); + return -EINVAL; + } + + return 0; +} + +static const struct v4l2_ctrl_ops m2mtest_ctrl_ops = { + .s_ctrl = m2mtest_s_ctrl, +}; + + +static const struct v4l2_ioctl_ops m2mtest_ioctl_ops = { + .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_enum_fmt_vid_out = vidioc_enum_fmt_vid_out, + .vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out, + .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, + .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, + + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + + +/* + * Queue operations + */ + +static int m2mtest_queue_setup(struct vb2_queue *vq, + const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) +{ + struct m2mtest_ctx *ctx = vb2_get_drv_priv(vq); + struct m2mtest_q_data *q_data; + unsigned int size, count = *nbuffers; + + q_data = get_q_data(ctx, vq->type); + + size = q_data->width * q_data->height * q_data->fmt->depth >> 3; + + while (size * count > MEM2MEM_VID_MEM_LIMIT) + (count)--; + + *nplanes = 1; + *nbuffers = count; + sizes[0] = size; + + /* + * videobuf2-vmalloc allocator is context-less so no need to set + * alloc_ctxs array. + */ + + dprintk(ctx->dev, "get %d buffer(s) of size %d each.\n", count, size); + + return 0; +} + +static int m2mtest_buf_prepare(struct vb2_buffer *vb) +{ + struct m2mtest_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + struct m2mtest_q_data *q_data; + + dprintk(ctx->dev, "type: %d\n", vb->vb2_queue->type); + + q_data = get_q_data(ctx, vb->vb2_queue->type); + + if (vb2_plane_size(vb, 0) < q_data->sizeimage) { + dprintk(ctx->dev, "%s data will not fit into plane (%lu < %lu)\n", + __func__, vb2_plane_size(vb, 0), (long)q_data->sizeimage); + return -EINVAL; + } + + vb2_set_plane_payload(vb, 0, q_data->sizeimage); + + return 0; +} + +static void m2mtest_buf_queue(struct vb2_buffer *vb) +{ + struct m2mtest_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); + v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); +} + +static void m2mtest_wait_prepare(struct vb2_queue *q) +{ + struct m2mtest_ctx *ctx = vb2_get_drv_priv(q); + m2mtest_unlock(ctx); +} + +static void m2mtest_wait_finish(struct vb2_queue *q) +{ + struct m2mtest_ctx *ctx = vb2_get_drv_priv(q); + m2mtest_lock(ctx); +} + +static struct vb2_ops m2mtest_qops = { + .queue_setup = m2mtest_queue_setup, + .buf_prepare = m2mtest_buf_prepare, + .buf_queue = m2mtest_buf_queue, + .wait_prepare = m2mtest_wait_prepare, + .wait_finish = m2mtest_wait_finish, +}; + +static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) +{ + struct m2mtest_ctx *ctx = priv; + int ret; + + memset(src_vq, 0, sizeof(*src_vq)); + src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + src_vq->io_modes = VB2_MMAP; + src_vq->drv_priv = ctx; + src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + src_vq->ops = &m2mtest_qops; + src_vq->mem_ops = &vb2_vmalloc_memops; + + ret = vb2_queue_init(src_vq); + if (ret) + return ret; + + memset(dst_vq, 0, sizeof(*dst_vq)); + dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + dst_vq->io_modes = VB2_MMAP; + dst_vq->drv_priv = ctx; + dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + dst_vq->ops = &m2mtest_qops; + dst_vq->mem_ops = &vb2_vmalloc_memops; + + return vb2_queue_init(dst_vq); +} + +static const struct v4l2_ctrl_config m2mtest_ctrl_trans_time_msec = { + .ops = &m2mtest_ctrl_ops, + .id = V4L2_CID_TRANS_TIME_MSEC, + .name = "Transaction Time (msec)", + .type = V4L2_CTRL_TYPE_INTEGER, + .def = 1001, + .min = 1, + .max = 10001, + .step = 100, +}; + +static const struct v4l2_ctrl_config m2mtest_ctrl_trans_num_bufs = { + .ops = &m2mtest_ctrl_ops, + .id = V4L2_CID_TRANS_NUM_BUFS, + .name = "Buffers Per Transaction", + .type = V4L2_CTRL_TYPE_INTEGER, + .def = 1, + .min = 1, + .max = MEM2MEM_DEF_NUM_BUFS, + .step = 1, +}; + +/* + * File operations + */ +static int m2mtest_open(struct file *file) +{ + struct m2mtest_dev *dev = video_drvdata(file); + struct m2mtest_ctx *ctx = NULL; + struct v4l2_ctrl_handler *hdl; + int rc = 0; + + if (mutex_lock_interruptible(&dev->dev_mutex)) + return -ERESTARTSYS; + ctx = kzalloc(sizeof *ctx, GFP_KERNEL); + if (!ctx) { + rc = -ENOMEM; + goto open_unlock; + } + + v4l2_fh_init(&ctx->fh, video_devdata(file)); + file->private_data = &ctx->fh; + ctx->dev = dev; + hdl = &ctx->hdl; + v4l2_ctrl_handler_init(hdl, 4); + v4l2_ctrl_new_std(hdl, &m2mtest_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_std(hdl, &m2mtest_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_new_custom(hdl, &m2mtest_ctrl_trans_time_msec, NULL); + v4l2_ctrl_new_custom(hdl, &m2mtest_ctrl_trans_num_bufs, NULL); + if (hdl->error) { + rc = hdl->error; + v4l2_ctrl_handler_free(hdl); + goto open_unlock; + } + ctx->fh.ctrl_handler = hdl; + v4l2_ctrl_handler_setup(hdl); + + ctx->q_data[V4L2_M2M_SRC].fmt = &formats[0]; + ctx->q_data[V4L2_M2M_SRC].width = 640; + ctx->q_data[V4L2_M2M_SRC].height = 480; + ctx->q_data[V4L2_M2M_SRC].sizeimage = + ctx->q_data[V4L2_M2M_SRC].width * + ctx->q_data[V4L2_M2M_SRC].height * + (ctx->q_data[V4L2_M2M_SRC].fmt->depth >> 3); + ctx->q_data[V4L2_M2M_DST] = ctx->q_data[V4L2_M2M_SRC]; + ctx->colorspace = V4L2_COLORSPACE_REC709; + + ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); + + if (IS_ERR(ctx->m2m_ctx)) { + rc = PTR_ERR(ctx->m2m_ctx); + + v4l2_ctrl_handler_free(hdl); + kfree(ctx); + goto open_unlock; + } + + v4l2_fh_add(&ctx->fh); + atomic_inc(&dev->num_inst); + + dprintk(dev, "Created instance %p, m2m_ctx: %p\n", ctx, ctx->m2m_ctx); + +open_unlock: + mutex_unlock(&dev->dev_mutex); + return rc; +} + +static int m2mtest_release(struct file *file) +{ + struct m2mtest_dev *dev = video_drvdata(file); + struct m2mtest_ctx *ctx = file2ctx(file); + + dprintk(dev, "Releasing instance %p\n", ctx); + + v4l2_fh_del(&ctx->fh); + v4l2_fh_exit(&ctx->fh); + v4l2_ctrl_handler_free(&ctx->hdl); + mutex_lock(&dev->dev_mutex); + v4l2_m2m_ctx_release(ctx->m2m_ctx); + mutex_unlock(&dev->dev_mutex); + kfree(ctx); + + atomic_dec(&dev->num_inst); + + return 0; +} + +static unsigned int m2mtest_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct m2mtest_ctx *ctx = file2ctx(file); + + return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); +} + +static int m2mtest_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct m2mtest_dev *dev = video_drvdata(file); + struct m2mtest_ctx *ctx = file2ctx(file); + int res; + + if (mutex_lock_interruptible(&dev->dev_mutex)) + return -ERESTARTSYS; + res = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); + mutex_unlock(&dev->dev_mutex); + return res; +} + +static const struct v4l2_file_operations m2mtest_fops = { + .owner = THIS_MODULE, + .open = m2mtest_open, + .release = m2mtest_release, + .poll = m2mtest_poll, + .unlocked_ioctl = video_ioctl2, + .mmap = m2mtest_mmap, +}; + +static struct video_device m2mtest_videodev = { + .name = MEM2MEM_NAME, + .fops = &m2mtest_fops, + .ioctl_ops = &m2mtest_ioctl_ops, + .minor = -1, + .release = video_device_release, +}; + +static struct v4l2_m2m_ops m2m_ops = { + .device_run = device_run, + .job_ready = job_ready, + .job_abort = job_abort, + .lock = m2mtest_lock, + .unlock = m2mtest_unlock, +}; + +static int m2mtest_probe(struct platform_device *pdev) +{ + struct m2mtest_dev *dev; + struct video_device *vfd; + int ret; + + dev = kzalloc(sizeof *dev, GFP_KERNEL); + if (!dev) + return -ENOMEM; + + spin_lock_init(&dev->irqlock); + + ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); + if (ret) + goto free_dev; + + atomic_set(&dev->num_inst, 0); + mutex_init(&dev->dev_mutex); + + vfd = video_device_alloc(); + if (!vfd) { + v4l2_err(&dev->v4l2_dev, "Failed to allocate video device\n"); + ret = -ENOMEM; + goto unreg_dev; + } + + *vfd = m2mtest_videodev; + vfd->lock = &dev->dev_mutex; + + ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); + if (ret) { + v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); + goto rel_vdev; + } + + video_set_drvdata(vfd, dev); + snprintf(vfd->name, sizeof(vfd->name), "%s", m2mtest_videodev.name); + dev->vfd = vfd; + v4l2_info(&dev->v4l2_dev, MEM2MEM_TEST_MODULE_NAME + "Device registered as /dev/video%d\n", vfd->num); + + setup_timer(&dev->timer, device_isr, (long)dev); + platform_set_drvdata(pdev, dev); + + dev->m2m_dev = v4l2_m2m_init(&m2m_ops); + if (IS_ERR(dev->m2m_dev)) { + v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n"); + ret = PTR_ERR(dev->m2m_dev); + goto err_m2m; + } + + return 0; + + v4l2_m2m_release(dev->m2m_dev); +err_m2m: + video_unregister_device(dev->vfd); +rel_vdev: + video_device_release(vfd); +unreg_dev: + v4l2_device_unregister(&dev->v4l2_dev); +free_dev: + kfree(dev); + + return ret; +} + +static int m2mtest_remove(struct platform_device *pdev) +{ + struct m2mtest_dev *dev = + (struct m2mtest_dev *)platform_get_drvdata(pdev); + + v4l2_info(&dev->v4l2_dev, "Removing " MEM2MEM_TEST_MODULE_NAME); + v4l2_m2m_release(dev->m2m_dev); + del_timer_sync(&dev->timer); + video_unregister_device(dev->vfd); + v4l2_device_unregister(&dev->v4l2_dev); + kfree(dev); + + return 0; +} + +static struct platform_driver m2mtest_pdrv = { + .probe = m2mtest_probe, + .remove = m2mtest_remove, + .driver = { + .name = MEM2MEM_NAME, + .owner = THIS_MODULE, + }, +}; + +static void __exit m2mtest_exit(void) +{ + platform_driver_unregister(&m2mtest_pdrv); + platform_device_unregister(&m2mtest_pdev); +} + +static int __init m2mtest_init(void) +{ + int ret; + + ret = platform_device_register(&m2mtest_pdev); + if (ret) + return ret; + + ret = platform_driver_register(&m2mtest_pdrv); + if (ret) + platform_device_unregister(&m2mtest_pdev); + + return 0; +} + +module_init(m2mtest_init); +module_exit(m2mtest_exit); + diff --cc drivers/media/usb/gspca/jl2005bcd.c index cf9d9fca5b84,000000000000..234777116e5f mode 100644,000000..100644 --- a/drivers/media/usb/gspca/jl2005bcd.c +++ b/drivers/media/usb/gspca/jl2005bcd.c @@@ -1,557 -1,0 +1,557 @@@ +/* + * Jeilin JL2005B/C/D library + * + * Copyright (C) 2011 Theodore Kilgore + * + * 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 "jl2005bcd" + +#include +#include +#include "gspca.h" + + +MODULE_AUTHOR("Theodore Kilgore "); +MODULE_DESCRIPTION("JL2005B/C/D USB Camera Driver"); +MODULE_LICENSE("GPL"); + +/* Default timeouts, in ms */ +#define JL2005C_CMD_TIMEOUT 500 +#define JL2005C_DATA_TIMEOUT 1000 + +/* Maximum transfer size to use. */ +#define JL2005C_MAX_TRANSFER 0x200 +#define FRAME_HEADER_LEN 16 + + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + unsigned char firmware_id[6]; + const struct v4l2_pix_format *cap_mode; + /* Driver stuff */ + struct work_struct work_struct; + struct workqueue_struct *work_thread; + u8 frame_brightness; + int block_size; /* block size of camera */ + int vga; /* 1 if vga cam, 0 if cif cam */ +}; + + +/* Camera has two resolution settings. What they are depends on model. */ +static const struct v4l2_pix_format cif_mode[] = { + {176, 144, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE, + .bytesperline = 176, + .sizeimage = 176 * 144, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0}, + {352, 288, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE, + .bytesperline = 352, + .sizeimage = 352 * 288, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0}, +}; + +static const struct v4l2_pix_format vga_mode[] = { + {320, 240, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0}, + {640, 480, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE, + .bytesperline = 640, + .sizeimage = 640 * 480, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0}, +}; + +/* + * cam uses endpoint 0x03 to send commands, 0x84 for read commands, + * and 0x82 for bulk data transfer. + */ + +/* All commands are two bytes only */ +static int jl2005c_write2(struct gspca_dev *gspca_dev, unsigned char *command) +{ + int retval; + + memcpy(gspca_dev->usb_buf, command, 2); + retval = usb_bulk_msg(gspca_dev->dev, + usb_sndbulkpipe(gspca_dev->dev, 3), + gspca_dev->usb_buf, 2, NULL, 500); + if (retval < 0) + pr_err("command write [%02x] error %d\n", + gspca_dev->usb_buf[0], retval); + return retval; +} + +/* Response to a command is one byte in usb_buf[0], only if requested. */ +static int jl2005c_read1(struct gspca_dev *gspca_dev) +{ + int retval; + + retval = usb_bulk_msg(gspca_dev->dev, + usb_rcvbulkpipe(gspca_dev->dev, 0x84), + gspca_dev->usb_buf, 1, NULL, 500); + if (retval < 0) + pr_err("read command [0x%02x] error %d\n", + gspca_dev->usb_buf[0], retval); + return retval; +} + +/* Response appears in gspca_dev->usb_buf[0] */ +static int jl2005c_read_reg(struct gspca_dev *gspca_dev, unsigned char reg) +{ + int retval; + + static u8 instruction[2] = {0x95, 0x00}; + /* put register to read in byte 1 */ + instruction[1] = reg; + /* Send the read request */ + retval = jl2005c_write2(gspca_dev, instruction); + if (retval < 0) + return retval; + retval = jl2005c_read1(gspca_dev); + + return retval; +} + +static int jl2005c_start_new_frame(struct gspca_dev *gspca_dev) +{ + int i; + int retval; + int frame_brightness = 0; + + static u8 instruction[2] = {0x7f, 0x01}; + + retval = jl2005c_write2(gspca_dev, instruction); + if (retval < 0) + return retval; + + i = 0; + while (i < 20 && !frame_brightness) { + /* If we tried 20 times, give up. */ + retval = jl2005c_read_reg(gspca_dev, 0x7e); + if (retval < 0) + return retval; + frame_brightness = gspca_dev->usb_buf[0]; + retval = jl2005c_read_reg(gspca_dev, 0x7d); + if (retval < 0) + return retval; + i++; + } + PDEBUG(D_FRAM, "frame_brightness is 0x%02x", gspca_dev->usb_buf[0]); + return retval; +} + +static int jl2005c_write_reg(struct gspca_dev *gspca_dev, unsigned char reg, + unsigned char value) +{ + int retval; + u8 instruction[2]; + + instruction[0] = reg; + instruction[1] = value; + + retval = jl2005c_write2(gspca_dev, instruction); + if (retval < 0) + return retval; + + return retval; +} + +static int jl2005c_get_firmware_id(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *)gspca_dev; + int i = 0; + int retval = -1; + unsigned char regs_to_read[] = {0x57, 0x02, 0x03, 0x5d, 0x5e, 0x5f}; + + PDEBUG(D_PROBE, "Running jl2005c_get_firmware_id"); + /* Read the first ID byte once for warmup */ + retval = jl2005c_read_reg(gspca_dev, regs_to_read[0]); + PDEBUG(D_PROBE, "response is %02x", gspca_dev->usb_buf[0]); + if (retval < 0) + return retval; + /* Now actually get the ID string */ + for (i = 0; i < 6; i++) { + retval = jl2005c_read_reg(gspca_dev, regs_to_read[i]); + if (retval < 0) + return retval; + sd->firmware_id[i] = gspca_dev->usb_buf[0]; + } + PDEBUG(D_PROBE, "firmware ID is %02x%02x%02x%02x%02x%02x", + sd->firmware_id[0], + sd->firmware_id[1], + sd->firmware_id[2], + sd->firmware_id[3], + sd->firmware_id[4], + sd->firmware_id[5]); + return 0; +} + +static int jl2005c_stream_start_vga_lg + (struct gspca_dev *gspca_dev) +{ + int i; + int retval = -1; + static u8 instruction[][2] = { + {0x05, 0x00}, + {0x7c, 0x00}, + {0x7d, 0x18}, + {0x02, 0x00}, + {0x01, 0x00}, + {0x04, 0x52}, + }; + + for (i = 0; i < ARRAY_SIZE(instruction); i++) { + msleep(60); + retval = jl2005c_write2(gspca_dev, instruction[i]); + if (retval < 0) + return retval; + } + msleep(60); + return retval; +} + +static int jl2005c_stream_start_vga_small(struct gspca_dev *gspca_dev) +{ + int i; + int retval = -1; + static u8 instruction[][2] = { + {0x06, 0x00}, + {0x7c, 0x00}, + {0x7d, 0x1a}, + {0x02, 0x00}, + {0x01, 0x00}, + {0x04, 0x52}, + }; + + for (i = 0; i < ARRAY_SIZE(instruction); i++) { + msleep(60); + retval = jl2005c_write2(gspca_dev, instruction[i]); + if (retval < 0) + return retval; + } + msleep(60); + return retval; +} + +static int jl2005c_stream_start_cif_lg(struct gspca_dev *gspca_dev) +{ + int i; + int retval = -1; + static u8 instruction[][2] = { + {0x05, 0x00}, + {0x7c, 0x00}, + {0x7d, 0x30}, + {0x02, 0x00}, + {0x01, 0x00}, + {0x04, 0x42}, + }; + + for (i = 0; i < ARRAY_SIZE(instruction); i++) { + msleep(60); + retval = jl2005c_write2(gspca_dev, instruction[i]); + if (retval < 0) + return retval; + } + msleep(60); + return retval; +} + +static int jl2005c_stream_start_cif_small(struct gspca_dev *gspca_dev) +{ + int i; + int retval = -1; + static u8 instruction[][2] = { + {0x06, 0x00}, + {0x7c, 0x00}, + {0x7d, 0x32}, + {0x02, 0x00}, + {0x01, 0x00}, + {0x04, 0x42}, + }; + + for (i = 0; i < ARRAY_SIZE(instruction); i++) { + msleep(60); + retval = jl2005c_write2(gspca_dev, instruction[i]); + if (retval < 0) + return retval; + } + msleep(60); + return retval; +} + + +static int jl2005c_stop(struct gspca_dev *gspca_dev) +{ + int retval; + + retval = jl2005c_write_reg(gspca_dev, 0x07, 0x00); + return retval; +} + +/* This function is called as a workqueue function and runs whenever the camera + * is streaming data. Because it is a workqueue function it is allowed to sleep + * so we can use synchronous USB calls. To avoid possible collisions with other + * threads attempting to use the camera's USB interface the gspca usb_lock is + * used when performing the one USB control operation inside the workqueue, + * which tells the camera to close the stream. In practice the only thing + * which needs to be protected against is the usb_set_interface call that + * gspca makes during stream_off. Otherwise the camera doesn't provide any + * controls that the user could try to change. + */ +static void jl2005c_dostream(struct work_struct *work) +{ + struct sd *dev = container_of(work, struct sd, work_struct); + struct gspca_dev *gspca_dev = &dev->gspca_dev; + int bytes_left = 0; /* bytes remaining in current frame. */ + int data_len; /* size to use for the next read. */ + int header_read = 0; + unsigned char header_sig[2] = {0x4a, 0x4c}; + int act_len; + int packet_type; + int ret; + u8 *buffer; + + buffer = kmalloc(JL2005C_MAX_TRANSFER, GFP_KERNEL | GFP_DMA); + if (!buffer) { + pr_err("Couldn't allocate USB buffer\n"); + goto quit_stream; + } + + while (gspca_dev->dev && gspca_dev->streaming) { +#ifdef CONFIG_PM + if (gspca_dev->frozen) + break; +#endif + /* Check if this is a new frame. If so, start the frame first */ + if (!header_read) { + mutex_lock(&gspca_dev->usb_lock); + ret = jl2005c_start_new_frame(gspca_dev); + mutex_unlock(&gspca_dev->usb_lock); + if (ret < 0) + goto quit_stream; + ret = usb_bulk_msg(gspca_dev->dev, + usb_rcvbulkpipe(gspca_dev->dev, 0x82), + buffer, JL2005C_MAX_TRANSFER, &act_len, + JL2005C_DATA_TIMEOUT); + PDEBUG(D_PACK, + "Got %d bytes out of %d for header", + act_len, JL2005C_MAX_TRANSFER); + if (ret < 0 || act_len < JL2005C_MAX_TRANSFER) + goto quit_stream; + /* Check whether we actually got the first blodk */ + if (memcmp(header_sig, buffer, 2) != 0) { + pr_err("First block is not the first block\n"); + goto quit_stream; + } + /* total size to fetch is byte 7, times blocksize + * of which we already got act_len */ + bytes_left = buffer[0x07] * dev->block_size - act_len; + PDEBUG(D_PACK, "bytes_left = 0x%x", bytes_left); + /* We keep the header. It has other information, too.*/ + packet_type = FIRST_PACKET; + gspca_frame_add(gspca_dev, packet_type, + buffer, act_len); + header_read = 1; + } + while (bytes_left > 0 && gspca_dev->dev) { + data_len = bytes_left > JL2005C_MAX_TRANSFER ? + JL2005C_MAX_TRANSFER : bytes_left; + ret = usb_bulk_msg(gspca_dev->dev, + usb_rcvbulkpipe(gspca_dev->dev, 0x82), + buffer, data_len, &act_len, + JL2005C_DATA_TIMEOUT); + if (ret < 0 || act_len < data_len) + goto quit_stream; + PDEBUG(D_PACK, + "Got %d bytes out of %d for frame", + data_len, bytes_left); + bytes_left -= data_len; + if (bytes_left == 0) { + packet_type = LAST_PACKET; + header_read = 0; + } else + packet_type = INTER_PACKET; + gspca_frame_add(gspca_dev, packet_type, + buffer, data_len); + } + } +quit_stream: + if (gspca_dev->dev) { + mutex_lock(&gspca_dev->usb_lock); + jl2005c_stop(gspca_dev); + mutex_unlock(&gspca_dev->usb_lock); + } + kfree(buffer); +} + + + + +/* This function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct cam *cam; + struct sd *sd = (struct sd *) gspca_dev; + + cam = &gspca_dev->cam; + /* We don't use the buffer gspca allocates so make it small. */ + cam->bulk_size = 64; + cam->bulk = 1; + /* For the rest, the camera needs to be detected */ + jl2005c_get_firmware_id(gspca_dev); + /* Here are some known firmware IDs + * First some JL2005B cameras + * {0x41, 0x07, 0x04, 0x2c, 0xe8, 0xf2} Sakar KidzCam + * {0x45, 0x02, 0x08, 0xb9, 0x00, 0xd2} No-name JL2005B + * JL2005C cameras + * {0x01, 0x0c, 0x16, 0x10, 0xf8, 0xc8} Argus DC-1512 + * {0x12, 0x04, 0x03, 0xc0, 0x00, 0xd8} ICarly + * {0x86, 0x08, 0x05, 0x02, 0x00, 0xd4} Jazz + * + * Based upon this scanty evidence, we can detect a CIF camera by + * testing byte 0 for 0x4x. + */ + if ((sd->firmware_id[0] & 0xf0) == 0x40) { + cam->cam_mode = cif_mode; + cam->nmodes = ARRAY_SIZE(cif_mode); + sd->block_size = 0x80; + } else { + cam->cam_mode = vga_mode; + cam->nmodes = ARRAY_SIZE(vga_mode); + sd->block_size = 0x200; + } + + INIT_WORK(&sd->work_struct, jl2005c_dostream); + + return 0; +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + return 0; +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ + + struct sd *sd = (struct sd *) gspca_dev; + sd->cap_mode = gspca_dev->cam.cam_mode; + + switch (gspca_dev->width) { + case 640: + PDEBUG(D_STREAM, "Start streaming at vga resolution"); + jl2005c_stream_start_vga_lg(gspca_dev); + break; + case 320: + PDEBUG(D_STREAM, "Start streaming at qvga resolution"); + jl2005c_stream_start_vga_small(gspca_dev); + break; + case 352: + PDEBUG(D_STREAM, "Start streaming at cif resolution"); + jl2005c_stream_start_cif_lg(gspca_dev); + break; + case 176: + PDEBUG(D_STREAM, "Start streaming at qcif resolution"); + jl2005c_stream_start_cif_small(gspca_dev); + break; + default: + pr_err("Unknown resolution specified\n"); + return -1; + } + + /* Start the workqueue function to do the streaming */ + sd->work_thread = create_singlethread_workqueue(MODULE_NAME); + queue_work(sd->work_thread, &sd->work_struct); + + return 0; +} + +/* called on streamoff with alt==0 and on disconnect */ +/* the usb_lock is held at entry - restore on exit */ +static void sd_stop0(struct gspca_dev *gspca_dev) +{ + struct sd *dev = (struct sd *) gspca_dev; + + /* wait for the work queue to terminate */ + mutex_unlock(&gspca_dev->usb_lock); + /* This waits for sq905c_dostream to finish */ + destroy_workqueue(dev->work_thread); + dev->work_thread = NULL; + mutex_lock(&gspca_dev->usb_lock); +} + + + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = sd_config, + .init = sd_init, + .start = sd_start, + .stop0 = sd_stop0, +}; + +/* -- module initialisation -- */ - static const __devinitdata struct usb_device_id device_table[] = { ++static const struct usb_device_id device_table[] = { + {USB_DEVICE(0x0979, 0x0227)}, + {} +}; +MODULE_DEVICE_TABLE(usb, device_table); + +/* -- device connect -- */ +static int sd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, + .reset_resume = gspca_resume, +#endif +}; + +/* -- module insert / remove -- */ +static int __init sd_mod_init(void) +{ + int ret; + + ret = usb_register(&sd_driver); + if (ret < 0) + return ret; + return 0; +} +static void __exit sd_mod_exit(void) +{ + usb_deregister(&sd_driver); +} + +module_init(sd_mod_init); +module_exit(sd_mod_exit); diff --cc drivers/media/usb/gspca/spca506.c index 969bb5a4cd93,000000000000..bab01c86c315 mode 100644,000000..100644 --- a/drivers/media/usb/gspca/spca506.c +++ b/drivers/media/usb/gspca/spca506.c @@@ -1,612 -1,0 +1,612 @@@ +/* + * SPCA506 chip based cameras function + * M Xhaard 15/04/2004 based on different work Mark Taylor and others + * and my own snoopy file on a pv-321c donate by a german compagny + * "Firma Frank Gmbh" from Saarbruecken + * + * V4L2 by Jean-Francois Moine + * + * 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 "spca506" + +#include "gspca.h" + +MODULE_AUTHOR("Michel Xhaard "); +MODULE_DESCRIPTION("GSPCA/SPCA506 USB Camera Driver"); +MODULE_LICENSE("GPL"); + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + + char norme; + char channel; +}; + +static const struct v4l2_pix_format vga_mode[] = { + {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, + .bytesperline = 160, + .sizeimage = 160 * 120 * 3 / 2, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 5}, + {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, + .bytesperline = 176, + .sizeimage = 176 * 144 * 3 / 2, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 4}, + {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 3 / 2, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 2}, + {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, + .bytesperline = 352, + .sizeimage = 352 * 288 * 3 / 2, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1}, + {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, + .bytesperline = 640, + .sizeimage = 640 * 480 * 3 / 2, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0}, +}; + +#define SPCA50X_OFFSET_DATA 10 + +#define SAA7113_bright 0x0a /* defaults 0x80 */ +#define SAA7113_contrast 0x0b /* defaults 0x47 */ +#define SAA7113_saturation 0x0c /* defaults 0x40 */ +#define SAA7113_hue 0x0d /* defaults 0x00 */ +#define SAA7113_I2C_BASE_WRITE 0x4a + +/* read 'len' bytes to gspca_dev->usb_buf */ +static void reg_r(struct gspca_dev *gspca_dev, + __u16 req, + __u16 index, + __u16 length) +{ + usb_control_msg(gspca_dev->dev, + usb_rcvctrlpipe(gspca_dev->dev, 0), + req, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, length, + 500); +} + +static void reg_w(struct usb_device *dev, + __u16 req, + __u16 value, + __u16 index) +{ + usb_control_msg(dev, + usb_sndctrlpipe(dev, 0), + req, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, + NULL, 0, 500); +} + +static void spca506_Initi2c(struct gspca_dev *gspca_dev) +{ + reg_w(gspca_dev->dev, 0x07, SAA7113_I2C_BASE_WRITE, 0x0004); +} + +static void spca506_WriteI2c(struct gspca_dev *gspca_dev, __u16 valeur, + __u16 reg) +{ + int retry = 60; + + reg_w(gspca_dev->dev, 0x07, reg, 0x0001); + reg_w(gspca_dev->dev, 0x07, valeur, 0x0000); + while (retry--) { + reg_r(gspca_dev, 0x07, 0x0003, 2); + if ((gspca_dev->usb_buf[0] | gspca_dev->usb_buf[1]) == 0x00) + break; + } +} + +static void spca506_SetNormeInput(struct gspca_dev *gspca_dev, + __u16 norme, + __u16 channel) +{ + struct sd *sd = (struct sd *) gspca_dev; +/* fixme: check if channel == 0..3 and 6..9 (8 values) */ + __u8 setbit0 = 0x00; + __u8 setbit1 = 0x00; + __u8 videomask = 0x00; + + PDEBUG(D_STREAM, "** Open Set Norme **"); + spca506_Initi2c(gspca_dev); + /* NTSC bit0 -> 1(525 l) PAL SECAM bit0 -> 0 (625 l) */ + /* Composite channel bit1 -> 1 S-video bit 1 -> 0 */ + /* and exclude SAA7113 reserved channel set default 0 otherwise */ + if (norme & V4L2_STD_NTSC) + setbit0 = 0x01; + if (channel == 4 || channel == 5 || channel > 9) + channel = 0; + if (channel < 4) + setbit1 = 0x02; + videomask = (0x48 | setbit0 | setbit1); + reg_w(gspca_dev->dev, 0x08, videomask, 0x0000); + spca506_WriteI2c(gspca_dev, (0xc0 | (channel & 0x0F)), 0x02); + + if (norme & V4L2_STD_NTSC) + spca506_WriteI2c(gspca_dev, 0x33, 0x0e); + /* Chrominance Control NTSC N */ + else if (norme & V4L2_STD_SECAM) + spca506_WriteI2c(gspca_dev, 0x53, 0x0e); + /* Chrominance Control SECAM */ + else + spca506_WriteI2c(gspca_dev, 0x03, 0x0e); + /* Chrominance Control PAL BGHIV */ + + sd->norme = norme; + sd->channel = channel; + PDEBUG(D_STREAM, "Set Video Byte to 0x%2x", videomask); + PDEBUG(D_STREAM, "Set Norme: %08x Channel %d", norme, channel); +} + +static void spca506_GetNormeInput(struct gspca_dev *gspca_dev, + __u16 *norme, __u16 *channel) +{ + struct sd *sd = (struct sd *) gspca_dev; + + /* Read the register is not so good value change so + we use your own copy in spca50x struct */ + *norme = sd->norme; + *channel = sd->channel; + PDEBUG(D_STREAM, "Get Norme: %d Channel %d", *norme, *channel); +} + +static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code, + __u16 xmult, __u16 ymult) +{ + struct usb_device *dev = gspca_dev->dev; + + PDEBUG(D_STREAM, "** SetSize **"); + reg_w(dev, 0x04, (0x18 | (code & 0x07)), 0x0000); + /* Soft snap 0x40 Hard 0x41 */ + reg_w(dev, 0x04, 0x41, 0x0001); + reg_w(dev, 0x04, 0x00, 0x0002); + /* reserved */ + reg_w(dev, 0x04, 0x00, 0x0003); + + /* reserved */ + reg_w(dev, 0x04, 0x00, 0x0004); + /* reserved */ + reg_w(dev, 0x04, 0x01, 0x0005); + /* reserced */ + reg_w(dev, 0x04, xmult, 0x0006); + /* reserved */ + reg_w(dev, 0x04, ymult, 0x0007); + /* compression 1 */ + reg_w(dev, 0x04, 0x00, 0x0008); + /* T=64 -> 2 */ + reg_w(dev, 0x04, 0x00, 0x0009); + /* threshold2D */ + reg_w(dev, 0x04, 0x21, 0x000a); + /* quantization */ + reg_w(dev, 0x04, 0x00, 0x000b); +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct cam *cam; + + cam = &gspca_dev->cam; + cam->cam_mode = vga_mode; + cam->nmodes = ARRAY_SIZE(vga_mode); + return 0; +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + struct usb_device *dev = gspca_dev->dev; + + reg_w(dev, 0x03, 0x00, 0x0004); + reg_w(dev, 0x03, 0xFF, 0x0003); + reg_w(dev, 0x03, 0x00, 0x0000); + reg_w(dev, 0x03, 0x1c, 0x0001); + reg_w(dev, 0x03, 0x18, 0x0001); + /* Init on PAL and composite input0 */ + spca506_SetNormeInput(gspca_dev, 0, 0); + reg_w(dev, 0x03, 0x1c, 0x0001); + reg_w(dev, 0x03, 0x18, 0x0001); + reg_w(dev, 0x05, 0x00, 0x0000); + reg_w(dev, 0x05, 0xef, 0x0001); + reg_w(dev, 0x05, 0x00, 0x00c1); + reg_w(dev, 0x05, 0x00, 0x00c2); + reg_w(dev, 0x06, 0x18, 0x0002); + reg_w(dev, 0x06, 0xf5, 0x0011); + reg_w(dev, 0x06, 0x02, 0x0012); + reg_w(dev, 0x06, 0xfb, 0x0013); + reg_w(dev, 0x06, 0x00, 0x0014); + reg_w(dev, 0x06, 0xa4, 0x0051); + reg_w(dev, 0x06, 0x40, 0x0052); + reg_w(dev, 0x06, 0x71, 0x0053); + reg_w(dev, 0x06, 0x40, 0x0054); + /************************************************/ + reg_w(dev, 0x03, 0x00, 0x0004); + reg_w(dev, 0x03, 0x00, 0x0003); + reg_w(dev, 0x03, 0x00, 0x0004); + reg_w(dev, 0x03, 0xFF, 0x0003); + reg_w(dev, 0x02, 0x00, 0x0000); + reg_w(dev, 0x03, 0x60, 0x0000); + reg_w(dev, 0x03, 0x18, 0x0001); + /* for a better reading mx :) */ + /*sdca506_WriteI2c(value,register) */ + spca506_Initi2c(gspca_dev); + spca506_WriteI2c(gspca_dev, 0x08, 0x01); + spca506_WriteI2c(gspca_dev, 0xc0, 0x02); + /* input composite video */ + spca506_WriteI2c(gspca_dev, 0x33, 0x03); + spca506_WriteI2c(gspca_dev, 0x00, 0x04); + spca506_WriteI2c(gspca_dev, 0x00, 0x05); + spca506_WriteI2c(gspca_dev, 0x0d, 0x06); + spca506_WriteI2c(gspca_dev, 0xf0, 0x07); + spca506_WriteI2c(gspca_dev, 0x98, 0x08); + spca506_WriteI2c(gspca_dev, 0x03, 0x09); + spca506_WriteI2c(gspca_dev, 0x80, 0x0a); + spca506_WriteI2c(gspca_dev, 0x47, 0x0b); + spca506_WriteI2c(gspca_dev, 0x48, 0x0c); + spca506_WriteI2c(gspca_dev, 0x00, 0x0d); + spca506_WriteI2c(gspca_dev, 0x03, 0x0e); /* Chroma Pal adjust */ + spca506_WriteI2c(gspca_dev, 0x2a, 0x0f); + spca506_WriteI2c(gspca_dev, 0x00, 0x10); + spca506_WriteI2c(gspca_dev, 0x0c, 0x11); + spca506_WriteI2c(gspca_dev, 0xb8, 0x12); + spca506_WriteI2c(gspca_dev, 0x01, 0x13); + spca506_WriteI2c(gspca_dev, 0x00, 0x14); + spca506_WriteI2c(gspca_dev, 0x00, 0x15); + spca506_WriteI2c(gspca_dev, 0x00, 0x16); + spca506_WriteI2c(gspca_dev, 0x00, 0x17); + spca506_WriteI2c(gspca_dev, 0x00, 0x18); + spca506_WriteI2c(gspca_dev, 0x00, 0x19); + spca506_WriteI2c(gspca_dev, 0x00, 0x1a); + spca506_WriteI2c(gspca_dev, 0x00, 0x1b); + spca506_WriteI2c(gspca_dev, 0x00, 0x1c); + spca506_WriteI2c(gspca_dev, 0x00, 0x1d); + spca506_WriteI2c(gspca_dev, 0x00, 0x1e); + spca506_WriteI2c(gspca_dev, 0xa1, 0x1f); + spca506_WriteI2c(gspca_dev, 0x02, 0x40); + spca506_WriteI2c(gspca_dev, 0xff, 0x41); + spca506_WriteI2c(gspca_dev, 0xff, 0x42); + spca506_WriteI2c(gspca_dev, 0xff, 0x43); + spca506_WriteI2c(gspca_dev, 0xff, 0x44); + spca506_WriteI2c(gspca_dev, 0xff, 0x45); + spca506_WriteI2c(gspca_dev, 0xff, 0x46); + spca506_WriteI2c(gspca_dev, 0xff, 0x47); + spca506_WriteI2c(gspca_dev, 0xff, 0x48); + spca506_WriteI2c(gspca_dev, 0xff, 0x49); + spca506_WriteI2c(gspca_dev, 0xff, 0x4a); + spca506_WriteI2c(gspca_dev, 0xff, 0x4b); + spca506_WriteI2c(gspca_dev, 0xff, 0x4c); + spca506_WriteI2c(gspca_dev, 0xff, 0x4d); + spca506_WriteI2c(gspca_dev, 0xff, 0x4e); + spca506_WriteI2c(gspca_dev, 0xff, 0x4f); + spca506_WriteI2c(gspca_dev, 0xff, 0x50); + spca506_WriteI2c(gspca_dev, 0xff, 0x51); + spca506_WriteI2c(gspca_dev, 0xff, 0x52); + spca506_WriteI2c(gspca_dev, 0xff, 0x53); + spca506_WriteI2c(gspca_dev, 0xff, 0x54); + spca506_WriteI2c(gspca_dev, 0xff, 0x55); + spca506_WriteI2c(gspca_dev, 0xff, 0x56); + spca506_WriteI2c(gspca_dev, 0xff, 0x57); + spca506_WriteI2c(gspca_dev, 0x00, 0x58); + spca506_WriteI2c(gspca_dev, 0x54, 0x59); + spca506_WriteI2c(gspca_dev, 0x07, 0x5a); + spca506_WriteI2c(gspca_dev, 0x83, 0x5b); + spca506_WriteI2c(gspca_dev, 0x00, 0x5c); + spca506_WriteI2c(gspca_dev, 0x00, 0x5d); + spca506_WriteI2c(gspca_dev, 0x00, 0x5e); + spca506_WriteI2c(gspca_dev, 0x00, 0x5f); + spca506_WriteI2c(gspca_dev, 0x00, 0x60); + spca506_WriteI2c(gspca_dev, 0x05, 0x61); + spca506_WriteI2c(gspca_dev, 0x9f, 0x62); + PDEBUG(D_STREAM, "** Close Init *"); + return 0; +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ + struct usb_device *dev = gspca_dev->dev; + __u16 norme; + __u16 channel; + + /**************************************/ + reg_w(dev, 0x03, 0x00, 0x0004); + reg_w(dev, 0x03, 0x00, 0x0003); + reg_w(dev, 0x03, 0x00, 0x0004); + reg_w(dev, 0x03, 0xFF, 0x0003); + reg_w(dev, 0x02, 0x00, 0x0000); + reg_w(dev, 0x03, 0x60, 0x0000); + reg_w(dev, 0x03, 0x18, 0x0001); + + /*sdca506_WriteI2c(value,register) */ + spca506_Initi2c(gspca_dev); + spca506_WriteI2c(gspca_dev, 0x08, 0x01); /* Increment Delay */ +/* spca506_WriteI2c(gspca_dev, 0xc0, 0x02); * Analog Input Control 1 */ + spca506_WriteI2c(gspca_dev, 0x33, 0x03); + /* Analog Input Control 2 */ + spca506_WriteI2c(gspca_dev, 0x00, 0x04); + /* Analog Input Control 3 */ + spca506_WriteI2c(gspca_dev, 0x00, 0x05); + /* Analog Input Control 4 */ + spca506_WriteI2c(gspca_dev, 0x0d, 0x06); + /* Horizontal Sync Start 0xe9-0x0d */ + spca506_WriteI2c(gspca_dev, 0xf0, 0x07); + /* Horizontal Sync Stop 0x0d-0xf0 */ + + spca506_WriteI2c(gspca_dev, 0x98, 0x08); /* Sync Control */ +/* Defaults value */ + spca506_WriteI2c(gspca_dev, 0x03, 0x09); /* Luminance Control */ + spca506_WriteI2c(gspca_dev, 0x80, 0x0a); + /* Luminance Brightness */ + spca506_WriteI2c(gspca_dev, 0x47, 0x0b); /* Luminance Contrast */ + spca506_WriteI2c(gspca_dev, 0x48, 0x0c); + /* Chrominance Saturation */ + spca506_WriteI2c(gspca_dev, 0x00, 0x0d); + /* Chrominance Hue Control */ + spca506_WriteI2c(gspca_dev, 0x2a, 0x0f); + /* Chrominance Gain Control */ + /**************************************/ + spca506_WriteI2c(gspca_dev, 0x00, 0x10); + /* Format/Delay Control */ + spca506_WriteI2c(gspca_dev, 0x0c, 0x11); /* Output Control 1 */ + spca506_WriteI2c(gspca_dev, 0xb8, 0x12); /* Output Control 2 */ + spca506_WriteI2c(gspca_dev, 0x01, 0x13); /* Output Control 3 */ + spca506_WriteI2c(gspca_dev, 0x00, 0x14); /* reserved */ + spca506_WriteI2c(gspca_dev, 0x00, 0x15); /* VGATE START */ + spca506_WriteI2c(gspca_dev, 0x00, 0x16); /* VGATE STOP */ + spca506_WriteI2c(gspca_dev, 0x00, 0x17); /* VGATE Control (MSB) */ + spca506_WriteI2c(gspca_dev, 0x00, 0x18); + spca506_WriteI2c(gspca_dev, 0x00, 0x19); + spca506_WriteI2c(gspca_dev, 0x00, 0x1a); + spca506_WriteI2c(gspca_dev, 0x00, 0x1b); + spca506_WriteI2c(gspca_dev, 0x00, 0x1c); + spca506_WriteI2c(gspca_dev, 0x00, 0x1d); + spca506_WriteI2c(gspca_dev, 0x00, 0x1e); + spca506_WriteI2c(gspca_dev, 0xa1, 0x1f); + spca506_WriteI2c(gspca_dev, 0x02, 0x40); + spca506_WriteI2c(gspca_dev, 0xff, 0x41); + spca506_WriteI2c(gspca_dev, 0xff, 0x42); + spca506_WriteI2c(gspca_dev, 0xff, 0x43); + spca506_WriteI2c(gspca_dev, 0xff, 0x44); + spca506_WriteI2c(gspca_dev, 0xff, 0x45); + spca506_WriteI2c(gspca_dev, 0xff, 0x46); + spca506_WriteI2c(gspca_dev, 0xff, 0x47); + spca506_WriteI2c(gspca_dev, 0xff, 0x48); + spca506_WriteI2c(gspca_dev, 0xff, 0x49); + spca506_WriteI2c(gspca_dev, 0xff, 0x4a); + spca506_WriteI2c(gspca_dev, 0xff, 0x4b); + spca506_WriteI2c(gspca_dev, 0xff, 0x4c); + spca506_WriteI2c(gspca_dev, 0xff, 0x4d); + spca506_WriteI2c(gspca_dev, 0xff, 0x4e); + spca506_WriteI2c(gspca_dev, 0xff, 0x4f); + spca506_WriteI2c(gspca_dev, 0xff, 0x50); + spca506_WriteI2c(gspca_dev, 0xff, 0x51); + spca506_WriteI2c(gspca_dev, 0xff, 0x52); + spca506_WriteI2c(gspca_dev, 0xff, 0x53); + spca506_WriteI2c(gspca_dev, 0xff, 0x54); + spca506_WriteI2c(gspca_dev, 0xff, 0x55); + spca506_WriteI2c(gspca_dev, 0xff, 0x56); + spca506_WriteI2c(gspca_dev, 0xff, 0x57); + spca506_WriteI2c(gspca_dev, 0x00, 0x58); + spca506_WriteI2c(gspca_dev, 0x54, 0x59); + spca506_WriteI2c(gspca_dev, 0x07, 0x5a); + spca506_WriteI2c(gspca_dev, 0x83, 0x5b); + spca506_WriteI2c(gspca_dev, 0x00, 0x5c); + spca506_WriteI2c(gspca_dev, 0x00, 0x5d); + spca506_WriteI2c(gspca_dev, 0x00, 0x5e); + spca506_WriteI2c(gspca_dev, 0x00, 0x5f); + spca506_WriteI2c(gspca_dev, 0x00, 0x60); + spca506_WriteI2c(gspca_dev, 0x05, 0x61); + spca506_WriteI2c(gspca_dev, 0x9f, 0x62); + /**************************************/ + reg_w(dev, 0x05, 0x00, 0x0003); + reg_w(dev, 0x05, 0x00, 0x0004); + reg_w(dev, 0x03, 0x10, 0x0001); + reg_w(dev, 0x03, 0x78, 0x0000); + switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { + case 0: + spca506_Setsize(gspca_dev, 0, 0x10, 0x10); + break; + case 1: + spca506_Setsize(gspca_dev, 1, 0x1a, 0x1a); + break; + case 2: + spca506_Setsize(gspca_dev, 2, 0x1c, 0x1c); + break; + case 4: + spca506_Setsize(gspca_dev, 4, 0x34, 0x34); + break; + default: +/* case 5: */ + spca506_Setsize(gspca_dev, 5, 0x40, 0x40); + break; + } + + /* compress setting and size */ + /* set i2c luma */ + reg_w(dev, 0x02, 0x01, 0x0000); + reg_w(dev, 0x03, 0x12, 0x0000); + reg_r(gspca_dev, 0x04, 0x0001, 2); + PDEBUG(D_STREAM, "webcam started"); + spca506_GetNormeInput(gspca_dev, &norme, &channel); + spca506_SetNormeInput(gspca_dev, norme, channel); + return 0; +} + +static void sd_stopN(struct gspca_dev *gspca_dev) +{ + struct usb_device *dev = gspca_dev->dev; + + reg_w(dev, 0x02, 0x00, 0x0000); + reg_w(dev, 0x03, 0x00, 0x0004); + reg_w(dev, 0x03, 0x00, 0x0003); +} + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, + u8 *data, /* isoc packet */ + int len) /* iso packet length */ +{ + switch (data[0]) { + case 0: /* start of frame */ + gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); + data += SPCA50X_OFFSET_DATA; + len -= SPCA50X_OFFSET_DATA; + gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); + break; + case 0xff: /* drop */ +/* gspca_dev->last_packet_type = DISCARD_PACKET; */ + break; + default: + data += 1; + len -= 1; + gspca_frame_add(gspca_dev, INTER_PACKET, data, len); + break; + } +} + +static void setbrightness(struct gspca_dev *gspca_dev, s32 val) +{ + spca506_Initi2c(gspca_dev); + spca506_WriteI2c(gspca_dev, val, SAA7113_bright); + spca506_WriteI2c(gspca_dev, 0x01, 0x09); +} + +static void setcontrast(struct gspca_dev *gspca_dev, s32 val) +{ + spca506_Initi2c(gspca_dev); + spca506_WriteI2c(gspca_dev, val, SAA7113_contrast); + spca506_WriteI2c(gspca_dev, 0x01, 0x09); +} + +static void setcolors(struct gspca_dev *gspca_dev, s32 val) +{ + spca506_Initi2c(gspca_dev); + spca506_WriteI2c(gspca_dev, val, SAA7113_saturation); + spca506_WriteI2c(gspca_dev, 0x01, 0x09); +} + +static void sethue(struct gspca_dev *gspca_dev, s32 val) +{ + spca506_Initi2c(gspca_dev); + spca506_WriteI2c(gspca_dev, val, SAA7113_hue); + spca506_WriteI2c(gspca_dev, 0x01, 0x09); +} + +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + + gspca_dev->usb_err = 0; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + setbrightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_CONTRAST: + setcontrast(gspca_dev, ctrl->val); + break; + case V4L2_CID_SATURATION: + setcolors(gspca_dev, ctrl->val); + break; + case V4L2_CID_HUE: + sethue(gspca_dev, ctrl->val); + break; + } + return gspca_dev->usb_err; +} + +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; + +static int sd_init_controls(struct gspca_dev *gspca_dev) +{ + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; + + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 4); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 0x47); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 0x40); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_HUE, 0, 255, 1, 0); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + return 0; +} + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = sd_config, + .init = sd_init, + .init_controls = sd_init_controls, + .start = sd_start, + .stopN = sd_stopN, + .pkt_scan = sd_pkt_scan, +}; + +/* -- module initialisation -- */ - static const struct usb_device_id device_table[] __devinitconst = { ++static const struct usb_device_id device_table[] = { + {USB_DEVICE(0x06e1, 0xa190)}, +/*fixme: may be IntelPCCameraPro BRIDGE_SPCA505 + {USB_DEVICE(0x0733, 0x0430)}, */ + {USB_DEVICE(0x0734, 0x043b)}, + {USB_DEVICE(0x99fa, 0x8988)}, + {} +}; +MODULE_DEVICE_TABLE(usb, device_table); + +/* -- device connect -- */ +static int __devinit sd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, + .reset_resume = gspca_resume, +#endif +}; + +module_usb_driver(sd_driver); diff --cc drivers/media/usb/siano/smsusb.c index 664e460f247b,000000000000..aac622200e99 mode 100644,000000..100644 --- a/drivers/media/usb/siano/smsusb.c +++ b/drivers/media/usb/siano/smsusb.c @@@ -1,568 -1,0 +1,568 @@@ +/**************************************************************** + +Siano Mobile Silicon, Inc. +MDTV receiver kernel modules. +Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat + +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, see . + +****************************************************************/ + +#include +#include +#include +#include +#include +#include + +#include "smscoreapi.h" +#include "sms-cards.h" +#include "smsendian.h" + +static int sms_dbg; +module_param_named(debug, sms_dbg, int, 0644); +MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); + +#define USB1_BUFFER_SIZE 0x1000 +#define USB2_BUFFER_SIZE 0x4000 + +#define MAX_BUFFERS 50 +#define MAX_URBS 10 + +struct smsusb_device_t; + +struct smsusb_urb_t { + struct smscore_buffer_t *cb; + struct smsusb_device_t *dev; + + struct urb urb; +}; + +struct smsusb_device_t { + struct usb_device *udev; + struct smscore_device_t *coredev; + + struct smsusb_urb_t surbs[MAX_URBS]; + + int response_alignment; + int buffer_size; +}; + +static int smsusb_submit_urb(struct smsusb_device_t *dev, + struct smsusb_urb_t *surb); + +static void smsusb_onresponse(struct urb *urb) +{ + struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context; + struct smsusb_device_t *dev = surb->dev; + + if (urb->status == -ESHUTDOWN) { + sms_err("error, urb status %d (-ESHUTDOWN), %d bytes", + urb->status, urb->actual_length); + return; + } + + if ((urb->actual_length > 0) && (urb->status == 0)) { + struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)surb->cb->p; + + smsendian_handle_message_header(phdr); + if (urb->actual_length >= phdr->msgLength) { + surb->cb->size = phdr->msgLength; + + if (dev->response_alignment && + (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) { + + surb->cb->offset = + dev->response_alignment + + ((phdr->msgFlags >> 8) & 3); + + /* sanity check */ + if (((int) phdr->msgLength + + surb->cb->offset) > urb->actual_length) { + sms_err("invalid response " + "msglen %d offset %d " + "size %d", + phdr->msgLength, + surb->cb->offset, + urb->actual_length); + goto exit_and_resubmit; + } + + /* move buffer pointer and + * copy header to its new location */ + memcpy((char *) phdr + surb->cb->offset, + phdr, sizeof(struct SmsMsgHdr_ST)); + } else + surb->cb->offset = 0; + + smscore_onresponse(dev->coredev, surb->cb); + surb->cb = NULL; + } else { + sms_err("invalid response " + "msglen %d actual %d", + phdr->msgLength, urb->actual_length); + } + } else + sms_err("error, urb status %d, %d bytes", + urb->status, urb->actual_length); + + +exit_and_resubmit: + smsusb_submit_urb(dev, surb); +} + +static int smsusb_submit_urb(struct smsusb_device_t *dev, + struct smsusb_urb_t *surb) +{ + if (!surb->cb) { + surb->cb = smscore_getbuffer(dev->coredev); + if (!surb->cb) { + sms_err("smscore_getbuffer(...) returned NULL"); + return -ENOMEM; + } + } + + usb_fill_bulk_urb( + &surb->urb, + dev->udev, + usb_rcvbulkpipe(dev->udev, 0x81), + surb->cb->p, + dev->buffer_size, + smsusb_onresponse, + surb + ); + surb->urb.transfer_dma = surb->cb->phys; + surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + return usb_submit_urb(&surb->urb, GFP_ATOMIC); +} + +static void smsusb_stop_streaming(struct smsusb_device_t *dev) +{ + int i; + + for (i = 0; i < MAX_URBS; i++) { + usb_kill_urb(&dev->surbs[i].urb); + + if (dev->surbs[i].cb) { + smscore_putbuffer(dev->coredev, dev->surbs[i].cb); + dev->surbs[i].cb = NULL; + } + } +} + +static int smsusb_start_streaming(struct smsusb_device_t *dev) +{ + int i, rc; + + for (i = 0; i < MAX_URBS; i++) { + rc = smsusb_submit_urb(dev, &dev->surbs[i]); + if (rc < 0) { + sms_err("smsusb_submit_urb(...) failed"); + smsusb_stop_streaming(dev); + break; + } + } + + return rc; +} + +static int smsusb_sendrequest(void *context, void *buffer, size_t size) +{ + struct smsusb_device_t *dev = (struct smsusb_device_t *) context; + int dummy; + + smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer); + return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), + buffer, size, &dummy, 1000); +} + +static char *smsusb1_fw_lkup[] = { + "dvbt_stellar_usb.inp", + "dvbh_stellar_usb.inp", + "tdmb_stellar_usb.inp", + "none", + "dvbt_bda_stellar_usb.inp", +}; + +static inline char *sms_get_fw_name(int mode, int board_id) +{ + char **fw = sms_get_board(board_id)->fw; + return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode]; +} + +static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id) +{ + const struct firmware *fw; + u8 *fw_buffer; + int rc, dummy; + char *fw_filename; + + if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) { + sms_err("invalid firmware id specified %d", id); + return -EINVAL; + } + + fw_filename = sms_get_fw_name(id, board_id); + + rc = request_firmware(&fw, fw_filename, &udev->dev); + if (rc < 0) { + sms_warn("failed to open \"%s\" mode %d, " + "trying again with default firmware", fw_filename, id); + + fw_filename = smsusb1_fw_lkup[id]; + rc = request_firmware(&fw, fw_filename, &udev->dev); + if (rc < 0) { + sms_warn("failed to open \"%s\" mode %d", + fw_filename, id); + + return rc; + } + } + + fw_buffer = kmalloc(fw->size, GFP_KERNEL); + if (fw_buffer) { + memcpy(fw_buffer, fw->data, fw->size); + + rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), + fw_buffer, fw->size, &dummy, 1000); + + sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc); + + kfree(fw_buffer); + } else { + sms_err("failed to allocate firmware buffer"); + rc = -ENOMEM; + } + sms_info("read FW %s, size=%zd", fw_filename, fw->size); + + release_firmware(fw); + + return rc; +} + +static void smsusb1_detectmode(void *context, int *mode) +{ + char *product_string = + ((struct smsusb_device_t *) context)->udev->product; + + *mode = DEVICE_MODE_NONE; + + if (!product_string) { + product_string = "none"; + sms_err("product string not found"); + } else if (strstr(product_string, "DVBH")) + *mode = 1; + else if (strstr(product_string, "BDA")) + *mode = 4; + else if (strstr(product_string, "DVBT")) + *mode = 0; + else if (strstr(product_string, "TDMB")) + *mode = 2; + + sms_info("%d \"%s\"", *mode, product_string); +} + +static int smsusb1_setmode(void *context, int mode) +{ + struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, + sizeof(struct SmsMsgHdr_ST), 0 }; + + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { + sms_err("invalid firmware id specified %d", mode); + return -EINVAL; + } + + return smsusb_sendrequest(context, &Msg, sizeof(Msg)); +} + +static void smsusb_term_device(struct usb_interface *intf) +{ + struct smsusb_device_t *dev = usb_get_intfdata(intf); + + if (dev) { + smsusb_stop_streaming(dev); + + /* unregister from smscore */ + if (dev->coredev) + smscore_unregister_device(dev->coredev); + + sms_info("device %p destroyed", dev); + kfree(dev); + } + + usb_set_intfdata(intf, NULL); +} + +static int smsusb_init_device(struct usb_interface *intf, int board_id) +{ + struct smsdevice_params_t params; + struct smsusb_device_t *dev; + int i, rc; + + /* create device object */ + dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL); + if (!dev) { + sms_err("kzalloc(sizeof(struct smsusb_device_t) failed"); + return -ENOMEM; + } + + memset(¶ms, 0, sizeof(params)); + usb_set_intfdata(intf, dev); + dev->udev = interface_to_usbdev(intf); + + params.device_type = sms_get_board(board_id)->type; + + switch (params.device_type) { + case SMS_STELLAR: + dev->buffer_size = USB1_BUFFER_SIZE; + + params.setmode_handler = smsusb1_setmode; + params.detectmode_handler = smsusb1_detectmode; + break; + default: + sms_err("Unspecified sms device type!"); + /* fall-thru */ + case SMS_NOVA_A0: + case SMS_NOVA_B0: + case SMS_VEGA: + dev->buffer_size = USB2_BUFFER_SIZE; + dev->response_alignment = + le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) - + sizeof(struct SmsMsgHdr_ST); + + params.flags |= SMS_DEVICE_FAMILY2; + break; + } + + params.device = &dev->udev->dev; + params.buffer_size = dev->buffer_size; + params.num_buffers = MAX_BUFFERS; + params.sendrequest_handler = smsusb_sendrequest; + params.context = dev; + usb_make_path(dev->udev, params.devpath, sizeof(params.devpath)); + + /* register in smscore */ + rc = smscore_register_device(¶ms, &dev->coredev); + if (rc < 0) { + sms_err("smscore_register_device(...) failed, rc %d", rc); + smsusb_term_device(intf); + return rc; + } + + smscore_set_board_id(dev->coredev, board_id); + + /* initialize urbs */ + for (i = 0; i < MAX_URBS; i++) { + dev->surbs[i].dev = dev; + usb_init_urb(&dev->surbs[i].urb); + } + + sms_info("smsusb_start_streaming(...)."); + rc = smsusb_start_streaming(dev); + if (rc < 0) { + sms_err("smsusb_start_streaming(...) failed"); + smsusb_term_device(intf); + return rc; + } + + rc = smscore_start_device(dev->coredev); + if (rc < 0) { + sms_err("smscore_start_device(...) failed"); + smsusb_term_device(intf); + return rc; + } + + sms_info("device %p created", dev); + + return rc; +} + +static int __devinit smsusb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + char devpath[32]; + int i, rc; + + rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); + rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); + + if (intf->num_altsetting > 0) { + rc = usb_set_interface( + udev, intf->cur_altsetting->desc.bInterfaceNumber, 0); + if (rc < 0) { + sms_err("usb_set_interface failed, rc %d", rc); + return rc; + } + } + + sms_info("smsusb_probe %d", + intf->cur_altsetting->desc.bInterfaceNumber); + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) + sms_info("endpoint %d %02x %02x %d", i, + intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, + intf->cur_altsetting->endpoint[i].desc.bmAttributes, + intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); + + if ((udev->actconfig->desc.bNumInterfaces == 2) && + (intf->cur_altsetting->desc.bInterfaceNumber == 0)) { + sms_err("rom interface 0 is not used"); + return -ENODEV; + } + + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + snprintf(devpath, sizeof(devpath), "usb\\%d-%s", + udev->bus->busnum, udev->devpath); + sms_info("stellar device was found."); + return smsusb1_load_firmware( + udev, smscore_registry_getmode(devpath), + id->driver_info); + } + + rc = smsusb_init_device(intf, id->driver_info); + sms_info("rc %d", rc); + sms_board_load_modules(id->driver_info); + return rc; +} + +static void smsusb_disconnect(struct usb_interface *intf) +{ + smsusb_term_device(intf); +} + +static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg) +{ + struct smsusb_device_t *dev = usb_get_intfdata(intf); + printk(KERN_INFO "%s: Entering status %d.\n", __func__, msg.event); + smsusb_stop_streaming(dev); + return 0; +} + +static int smsusb_resume(struct usb_interface *intf) +{ + int rc, i; + struct smsusb_device_t *dev = usb_get_intfdata(intf); + struct usb_device *udev = interface_to_usbdev(intf); + + printk(KERN_INFO "%s: Entering.\n", __func__); + usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); + usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); + + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) + printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, + intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, + intf->cur_altsetting->endpoint[i].desc.bmAttributes, + intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); + + if (intf->num_altsetting > 0) { + rc = usb_set_interface(udev, + intf->cur_altsetting->desc. + bInterfaceNumber, 0); + if (rc < 0) { + printk(KERN_INFO "%s usb_set_interface failed, " + "rc %d\n", __func__, rc); + return rc; + } + } + + smsusb_start_streaming(dev); + return 0; +} + - static const struct usb_device_id smsusb_id_table[] __devinitconst = { ++static const struct usb_device_id smsusb_id_table[] = { + { USB_DEVICE(0x187f, 0x0010), + .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, + { USB_DEVICE(0x187f, 0x0100), + .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, + { USB_DEVICE(0x187f, 0x0200), + .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A }, + { USB_DEVICE(0x187f, 0x0201), + .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B }, + { USB_DEVICE(0x187f, 0x0300), + .driver_info = SMS1XXX_BOARD_SIANO_VEGA }, + { USB_DEVICE(0x2040, 0x1700), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT }, + { USB_DEVICE(0x2040, 0x1800), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A }, + { USB_DEVICE(0x2040, 0x1801), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B }, + { USB_DEVICE(0x2040, 0x2000), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, + { USB_DEVICE(0x2040, 0x2009), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 }, + { USB_DEVICE(0x2040, 0x200a), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, + { USB_DEVICE(0x2040, 0x2010), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, + { USB_DEVICE(0x2040, 0x2011), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, + { USB_DEVICE(0x2040, 0x2019), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, + { USB_DEVICE(0x2040, 0x5500), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5510), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5520), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5530), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5580), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5590), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x187f, 0x0202), + .driver_info = SMS1XXX_BOARD_SIANO_NICE }, + { USB_DEVICE(0x187f, 0x0301), + .driver_info = SMS1XXX_BOARD_SIANO_VENICE }, + { USB_DEVICE(0x2040, 0xb900), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xb910), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xb980), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xb990), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xc000), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xc010), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xc080), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xc090), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xc0a0), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0xf5a0), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { } /* Terminating entry */ + }; + +MODULE_DEVICE_TABLE(usb, smsusb_id_table); + +static struct usb_driver smsusb_driver = { + .name = "smsusb", + .probe = smsusb_probe, + .disconnect = smsusb_disconnect, + .id_table = smsusb_id_table, + + .suspend = smsusb_suspend, + .resume = smsusb_resume, +}; + +module_usb_driver(smsusb_driver); + +MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle"); +MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)"); +MODULE_LICENSE("GPL"); diff --cc drivers/media/usb/uvc/uvc_queue.c index 9288fbd5001b,000000000000..5577381b5bf0 mode 100644,000000..100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@@ -1,359 -1,0 +1,360 @@@ +/* + * uvc_queue.c -- USB Video Class driver - Buffers management + * + * Copyright (C) 2005-2010 + * Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * 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. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "uvcvideo.h" + +/* ------------------------------------------------------------------------ + * Video buffers queue management. + * + * Video queues is initialized by uvc_queue_init(). The function performs + * basic initialization of the uvc_video_queue struct and never fails. + * + * Video buffers are managed by videobuf2. The driver uses a mutex to protect + * the videobuf2 queue operations by serializing calls to videobuf2 and a + * spinlock to protect the IRQ queue that holds the buffers to be processed by + * the driver. + */ + +/* ----------------------------------------------------------------------------- + * videobuf2 queue operations + */ + +static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) +{ + struct uvc_video_queue *queue = vb2_get_drv_priv(vq); + struct uvc_streaming *stream = + container_of(queue, struct uvc_streaming, queue); + + if (*nbuffers > UVC_MAX_VIDEO_BUFFERS) + *nbuffers = UVC_MAX_VIDEO_BUFFERS; + + *nplanes = 1; + + sizes[0] = stream->ctrl.dwMaxVideoFrameSize; + + return 0; +} + +static int uvc_buffer_prepare(struct vb2_buffer *vb) +{ + struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); + struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); + + if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT && + vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) { + uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes used out of bounds.\n"); + return -EINVAL; + } + + if (unlikely(queue->flags & UVC_QUEUE_DISCONNECTED)) + return -ENODEV; + + buf->state = UVC_BUF_STATE_QUEUED; + buf->error = 0; + buf->mem = vb2_plane_vaddr(vb, 0); + buf->length = vb2_plane_size(vb, 0); + if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + buf->bytesused = 0; + else + buf->bytesused = vb2_get_plane_payload(vb, 0); + + return 0; +} + +static void uvc_buffer_queue(struct vb2_buffer *vb) +{ + struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); + struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); + unsigned long flags; + + spin_lock_irqsave(&queue->irqlock, flags); + if (likely(!(queue->flags & UVC_QUEUE_DISCONNECTED))) { + list_add_tail(&buf->queue, &queue->irqqueue); + } else { + /* If the device is disconnected return the buffer to userspace + * directly. The next QBUF call will fail with -ENODEV. + */ + buf->state = UVC_BUF_STATE_ERROR; + vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR); + } + + spin_unlock_irqrestore(&queue->irqlock, flags); +} + +static int uvc_buffer_finish(struct vb2_buffer *vb) +{ + struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); + struct uvc_streaming *stream = + container_of(queue, struct uvc_streaming, queue); + struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); + + uvc_video_clock_update(stream, &vb->v4l2_buf, buf); + return 0; +} + +static struct vb2_ops uvc_queue_qops = { + .queue_setup = uvc_queue_setup, + .buf_prepare = uvc_buffer_prepare, + .buf_queue = uvc_buffer_queue, + .buf_finish = uvc_buffer_finish, +}; + +void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, + int drop_corrupted) +{ + queue->queue.type = type; + queue->queue.io_modes = VB2_MMAP | VB2_USERPTR; + queue->queue.drv_priv = queue; + queue->queue.buf_struct_size = sizeof(struct uvc_buffer); + queue->queue.ops = &uvc_queue_qops; + queue->queue.mem_ops = &vb2_vmalloc_memops; + vb2_queue_init(&queue->queue); + + mutex_init(&queue->mutex); + spin_lock_init(&queue->irqlock); + INIT_LIST_HEAD(&queue->irqqueue); + queue->flags = drop_corrupted ? UVC_QUEUE_DROP_CORRUPTED : 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 queue operations + */ + +int uvc_alloc_buffers(struct uvc_video_queue *queue, + struct v4l2_requestbuffers *rb) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_reqbufs(&queue->queue, rb); + mutex_unlock(&queue->mutex); + + return ret ? ret : rb->count; +} + +void uvc_free_buffers(struct uvc_video_queue *queue) +{ + mutex_lock(&queue->mutex); + vb2_queue_release(&queue->queue); + mutex_unlock(&queue->mutex); +} + +int uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_querybuf(&queue->queue, buf); + mutex_unlock(&queue->mutex); + + return ret; +} + +int uvc_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_qbuf(&queue->queue, buf); + mutex_unlock(&queue->mutex); + + return ret; +} + +int uvc_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf, + int nonblocking) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_dqbuf(&queue->queue, buf, nonblocking); + mutex_unlock(&queue->mutex); + + return ret; +} + +int uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_mmap(&queue->queue, vma); + mutex_unlock(&queue->mutex); + + return ret; +} + +#ifndef CONFIG_MMU +unsigned long uvc_queue_get_unmapped_area(struct uvc_video_queue *queue, + unsigned long pgoff) +{ + unsigned long ret; + + mutex_lock(&queue->mutex); + ret = vb2_get_unmapped_area(&queue->queue, 0, 0, pgoff, 0); + mutex_unlock(&queue->mutex); + return ret; +} +#endif + +unsigned int uvc_queue_poll(struct uvc_video_queue *queue, struct file *file, + poll_table *wait) +{ + unsigned int ret; + + mutex_lock(&queue->mutex); + ret = vb2_poll(&queue->queue, file, wait); + mutex_unlock(&queue->mutex); + + return ret; +} + +/* ----------------------------------------------------------------------------- + * + */ + +/* + * Check if buffers have been allocated. + */ +int uvc_queue_allocated(struct uvc_video_queue *queue) +{ + int allocated; + + mutex_lock(&queue->mutex); + allocated = vb2_is_busy(&queue->queue); + mutex_unlock(&queue->mutex); + + return allocated; +} + +/* + * Enable or disable the video buffers queue. + * + * The queue must be enabled before starting video acquisition and must be + * disabled after stopping it. This ensures that the video buffers queue + * state can be properly initialized before buffers are accessed from the + * interrupt handler. + * + * Enabling the video queue returns -EBUSY if the queue is already enabled. + * + * Disabling the video queue cancels the queue and removes all buffers from + * the main queue. + * + * This function can't be called from interrupt context. Use + * uvc_queue_cancel() instead. + */ +int uvc_queue_enable(struct uvc_video_queue *queue, int enable) +{ + unsigned long flags; + int ret; + + mutex_lock(&queue->mutex); + if (enable) { + ret = vb2_streamon(&queue->queue, queue->queue.type); + if (ret < 0) + goto done; + + queue->buf_used = 0; + } else { + ret = vb2_streamoff(&queue->queue, queue->queue.type); + if (ret < 0) + goto done; + + spin_lock_irqsave(&queue->irqlock, flags); + INIT_LIST_HEAD(&queue->irqqueue); + spin_unlock_irqrestore(&queue->irqlock, flags); + } + +done: + mutex_unlock(&queue->mutex); + return ret; +} + +/* + * Cancel the video buffers queue. + * + * Cancelling the queue marks all buffers on the irq queue as erroneous, + * wakes them up and removes them from the queue. + * + * If the disconnect parameter is set, further calls to uvc_queue_buffer will + * fail with -ENODEV. + * + * This function acquires the irq spinlock and can be called from interrupt + * context. + */ +void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect) +{ + struct uvc_buffer *buf; + unsigned long flags; + + spin_lock_irqsave(&queue->irqlock, flags); + while (!list_empty(&queue->irqqueue)) { + buf = list_first_entry(&queue->irqqueue, struct uvc_buffer, + queue); + list_del(&buf->queue); + buf->state = UVC_BUF_STATE_ERROR; + vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR); + } + /* This must be protected by the irqlock spinlock to avoid race + * conditions between uvc_buffer_queue and the disconnection event that + * could result in an interruptible wait in uvc_dequeue_buffer. Do not + * blindly replace this logic by checking for the UVC_QUEUE_DISCONNECTED + * state outside the queue code. + */ + if (disconnect) + queue->flags |= UVC_QUEUE_DISCONNECTED; + spin_unlock_irqrestore(&queue->irqlock, flags); +} + +struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, + struct uvc_buffer *buf) +{ + struct uvc_buffer *nextbuf; + unsigned long flags; + + if ((queue->flags & UVC_QUEUE_DROP_CORRUPTED) && buf->error) { + buf->error = 0; + buf->state = UVC_BUF_STATE_QUEUED; ++ buf->bytesused = 0; + vb2_set_plane_payload(&buf->buf, 0, 0); + return buf; + } + + spin_lock_irqsave(&queue->irqlock, flags); + list_del(&buf->queue); + if (!list_empty(&queue->irqqueue)) + nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer, + queue); + else + nextbuf = NULL; + spin_unlock_irqrestore(&queue->irqlock, flags); + + buf->state = buf->error ? VB2_BUF_STATE_ERROR : UVC_BUF_STATE_DONE; + vb2_set_plane_payload(&buf->buf, 0, buf->bytesused); + vb2_buffer_done(&buf->buf, VB2_BUF_STATE_DONE); + + return nextbuf; +} diff --cc drivers/media/v4l2-core/v4l2-ioctl.c index c3b7b5f59b32,000000000000..6bc47fc82fe2 mode 100644,000000..100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@@ -1,2324 -1,0 +1,2330 @@@ +/* + * Video capture interface for Linux version 2 + * + * A generic framework to process V4L2 ioctl commands. + * + * 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. + * + * Authors: Alan Cox, (version 1) + * Mauro Carvalho Chehab (version 2) + */ + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +/* Zero out the end of the struct pointed to by p. Everything after, but + * not including, the specified field is cleared. */ +#define CLEAR_AFTER_FIELD(p, field) \ + memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \ + 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field)) + +struct std_descr { + v4l2_std_id std; + const char *descr; +}; + +static const struct std_descr standards[] = { + { V4L2_STD_NTSC, "NTSC" }, + { V4L2_STD_NTSC_M, "NTSC-M" }, + { V4L2_STD_NTSC_M_JP, "NTSC-M-JP" }, + { V4L2_STD_NTSC_M_KR, "NTSC-M-KR" }, + { V4L2_STD_NTSC_443, "NTSC-443" }, + { V4L2_STD_PAL, "PAL" }, + { V4L2_STD_PAL_BG, "PAL-BG" }, + { V4L2_STD_PAL_B, "PAL-B" }, + { V4L2_STD_PAL_B1, "PAL-B1" }, + { V4L2_STD_PAL_G, "PAL-G" }, + { V4L2_STD_PAL_H, "PAL-H" }, + { V4L2_STD_PAL_I, "PAL-I" }, + { V4L2_STD_PAL_DK, "PAL-DK" }, + { V4L2_STD_PAL_D, "PAL-D" }, + { V4L2_STD_PAL_D1, "PAL-D1" }, + { V4L2_STD_PAL_K, "PAL-K" }, + { V4L2_STD_PAL_M, "PAL-M" }, + { V4L2_STD_PAL_N, "PAL-N" }, + { V4L2_STD_PAL_Nc, "PAL-Nc" }, + { V4L2_STD_PAL_60, "PAL-60" }, + { V4L2_STD_SECAM, "SECAM" }, + { V4L2_STD_SECAM_B, "SECAM-B" }, + { V4L2_STD_SECAM_G, "SECAM-G" }, + { V4L2_STD_SECAM_H, "SECAM-H" }, + { V4L2_STD_SECAM_DK, "SECAM-DK" }, + { V4L2_STD_SECAM_D, "SECAM-D" }, + { V4L2_STD_SECAM_K, "SECAM-K" }, + { V4L2_STD_SECAM_K1, "SECAM-K1" }, + { V4L2_STD_SECAM_L, "SECAM-L" }, + { V4L2_STD_SECAM_LC, "SECAM-Lc" }, + { 0, "Unknown" } +}; + +/* video4linux standard ID conversion to standard name + */ +const char *v4l2_norm_to_name(v4l2_std_id id) +{ + u32 myid = id; + int i; + + /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle + 64 bit comparations. So, on that architecture, with some gcc + variants, compilation fails. Currently, the max value is 30bit wide. + */ + BUG_ON(myid != id); + + for (i = 0; standards[i].std; i++) + if (myid == standards[i].std) + break; + return standards[i].descr; +} +EXPORT_SYMBOL(v4l2_norm_to_name); + +/* Returns frame period for the given standard */ +void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod) +{ + if (id & V4L2_STD_525_60) { + frameperiod->numerator = 1001; + frameperiod->denominator = 30000; + } else { + frameperiod->numerator = 1; + frameperiod->denominator = 25; + } +} +EXPORT_SYMBOL(v4l2_video_std_frame_period); + +/* Fill in the fields of a v4l2_standard structure according to the + 'id' and 'transmission' parameters. Returns negative on error. */ +int v4l2_video_std_construct(struct v4l2_standard *vs, + int id, const char *name) +{ + vs->id = id; + v4l2_video_std_frame_period(id, &vs->frameperiod); + vs->framelines = (id & V4L2_STD_525_60) ? 525 : 625; + strlcpy(vs->name, name, sizeof(vs->name)); + return 0; +} +EXPORT_SYMBOL(v4l2_video_std_construct); + +/* ----------------------------------------------------------------- */ +/* some arrays for pretty-printing debug messages of enum types */ + +const char *v4l2_field_names[] = { + [V4L2_FIELD_ANY] = "any", + [V4L2_FIELD_NONE] = "none", + [V4L2_FIELD_TOP] = "top", + [V4L2_FIELD_BOTTOM] = "bottom", + [V4L2_FIELD_INTERLACED] = "interlaced", + [V4L2_FIELD_SEQ_TB] = "seq-tb", + [V4L2_FIELD_SEQ_BT] = "seq-bt", + [V4L2_FIELD_ALTERNATE] = "alternate", + [V4L2_FIELD_INTERLACED_TB] = "interlaced-tb", + [V4L2_FIELD_INTERLACED_BT] = "interlaced-bt", +}; +EXPORT_SYMBOL(v4l2_field_names); + +const char *v4l2_type_names[] = { + [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "vid-cap", + [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "vid-overlay", + [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "vid-out", + [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap", + [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out", + [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap", + [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT] = "sliced-vbi-out", + [V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY] = "vid-out-overlay", + [V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane", + [V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane", +}; +EXPORT_SYMBOL(v4l2_type_names); + +static const char *v4l2_memory_names[] = { + [V4L2_MEMORY_MMAP] = "mmap", + [V4L2_MEMORY_USERPTR] = "userptr", + [V4L2_MEMORY_OVERLAY] = "overlay", +}; + +#define prt_names(a, arr) ((((a) >= 0) && ((a) < ARRAY_SIZE(arr))) ? \ + arr[a] : "unknown") + +/* ------------------------------------------------------------------ */ +/* debug help functions */ + +static void v4l_print_querycap(const void *arg, bool write_only) +{ + const struct v4l2_capability *p = arg; + + pr_cont("driver=%s, card=%s, bus=%s, version=0x%08x, " + "capabilities=0x%08x, device_caps=0x%08x\n", + p->driver, p->card, p->bus_info, + p->version, p->capabilities, p->device_caps); +} + +static void v4l_print_enuminput(const void *arg, bool write_only) +{ + const struct v4l2_input *p = arg; + + pr_cont("index=%u, name=%s, type=%u, audioset=0x%x, tuner=%u, " + "std=0x%08Lx, status=0x%x, capabilities=0x%x\n", + p->index, p->name, p->type, p->audioset, p->tuner, + (unsigned long long)p->std, p->status, p->capabilities); +} + +static void v4l_print_enumoutput(const void *arg, bool write_only) +{ + const struct v4l2_output *p = arg; + + pr_cont("index=%u, name=%s, type=%u, audioset=0x%x, " + "modulator=%u, std=0x%08Lx, capabilities=0x%x\n", + p->index, p->name, p->type, p->audioset, p->modulator, + (unsigned long long)p->std, p->capabilities); +} + +static void v4l_print_audio(const void *arg, bool write_only) +{ + const struct v4l2_audio *p = arg; + + if (write_only) + pr_cont("index=%u, mode=0x%x\n", p->index, p->mode); + else + pr_cont("index=%u, name=%s, capability=0x%x, mode=0x%x\n", + p->index, p->name, p->capability, p->mode); +} + +static void v4l_print_audioout(const void *arg, bool write_only) +{ + const struct v4l2_audioout *p = arg; + + if (write_only) + pr_cont("index=%u\n", p->index); + else + pr_cont("index=%u, name=%s, capability=0x%x, mode=0x%x\n", + p->index, p->name, p->capability, p->mode); +} + +static void v4l_print_fmtdesc(const void *arg, bool write_only) +{ + const struct v4l2_fmtdesc *p = arg; + + pr_cont("index=%u, type=%s, flags=0x%x, pixelformat=%c%c%c%c, description='%s'\n", + p->index, prt_names(p->type, v4l2_type_names), + p->flags, (p->pixelformat & 0xff), + (p->pixelformat >> 8) & 0xff, + (p->pixelformat >> 16) & 0xff, + (p->pixelformat >> 24) & 0xff, + p->description); +} + +static void v4l_print_format(const void *arg, bool write_only) +{ + const struct v4l2_format *p = arg; + const struct v4l2_pix_format *pix; + const struct v4l2_pix_format_mplane *mp; + const struct v4l2_vbi_format *vbi; + const struct v4l2_sliced_vbi_format *sliced; + const struct v4l2_window *win; + const struct v4l2_clip *clip; + unsigned i; + + pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); + switch (p->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + pix = &p->fmt.pix; + pr_cont(", width=%u, height=%u, " + "pixelformat=%c%c%c%c, field=%s, " + "bytesperline=%u sizeimage=%u, colorspace=%d\n", + pix->width, pix->height, + (pix->pixelformat & 0xff), + (pix->pixelformat >> 8) & 0xff, + (pix->pixelformat >> 16) & 0xff, + (pix->pixelformat >> 24) & 0xff, + prt_names(pix->field, v4l2_field_names), + pix->bytesperline, pix->sizeimage, + pix->colorspace); + break; + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + mp = &p->fmt.pix_mp; + pr_cont(", width=%u, height=%u, " + "format=%c%c%c%c, field=%s, " + "colorspace=%d, num_planes=%u\n", + mp->width, mp->height, + (mp->pixelformat & 0xff), + (mp->pixelformat >> 8) & 0xff, + (mp->pixelformat >> 16) & 0xff, + (mp->pixelformat >> 24) & 0xff, + prt_names(mp->field, v4l2_field_names), + mp->colorspace, mp->num_planes); + for (i = 0; i < mp->num_planes; i++) + printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i, + mp->plane_fmt[i].bytesperline, + mp->plane_fmt[i].sizeimage); + break; + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + win = &p->fmt.win; + pr_cont(", wxh=%dx%d, x,y=%d,%d, field=%s, " + "chromakey=0x%08x, bitmap=%p, " + "global_alpha=0x%02x\n", + win->w.width, win->w.height, + win->w.left, win->w.top, + prt_names(win->field, v4l2_field_names), + win->chromakey, win->bitmap, win->global_alpha); + clip = win->clips; + for (i = 0; i < win->clipcount; i++) { + printk(KERN_DEBUG "clip %u: wxh=%dx%d, x,y=%d,%d\n", + i, clip->c.width, clip->c.height, + clip->c.left, clip->c.top); + clip = clip->next; + } + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + case V4L2_BUF_TYPE_VBI_OUTPUT: + vbi = &p->fmt.vbi; + pr_cont(", sampling_rate=%u, offset=%u, samples_per_line=%u, " + "sample_format=%c%c%c%c, start=%u,%u, count=%u,%u\n", + vbi->sampling_rate, vbi->offset, + vbi->samples_per_line, + (vbi->sample_format & 0xff), + (vbi->sample_format >> 8) & 0xff, + (vbi->sample_format >> 16) & 0xff, + (vbi->sample_format >> 24) & 0xff, + vbi->start[0], vbi->start[1], + vbi->count[0], vbi->count[1]); + break; + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + sliced = &p->fmt.sliced; + pr_cont(", service_set=0x%08x, io_size=%d\n", + sliced->service_set, sliced->io_size); + for (i = 0; i < 24; i++) + printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, + sliced->service_lines[0][i], + sliced->service_lines[1][i]); + break; + case V4L2_BUF_TYPE_PRIVATE: + pr_cont("\n"); + break; + } +} + +static void v4l_print_framebuffer(const void *arg, bool write_only) +{ + const struct v4l2_framebuffer *p = arg; + + pr_cont("capability=0x%x, flags=0x%x, base=0x%p, width=%u, " + "height=%u, pixelformat=%c%c%c%c, " + "bytesperline=%u sizeimage=%u, colorspace=%d\n", + p->capability, p->flags, p->base, + p->fmt.width, p->fmt.height, + (p->fmt.pixelformat & 0xff), + (p->fmt.pixelformat >> 8) & 0xff, + (p->fmt.pixelformat >> 16) & 0xff, + (p->fmt.pixelformat >> 24) & 0xff, + p->fmt.bytesperline, p->fmt.sizeimage, + p->fmt.colorspace); +} + +static void v4l_print_buftype(const void *arg, bool write_only) +{ + pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names)); +} + +static void v4l_print_modulator(const void *arg, bool write_only) +{ + const struct v4l2_modulator *p = arg; + + if (write_only) + pr_cont("index=%u, txsubchans=0x%x", p->index, p->txsubchans); + else + pr_cont("index=%u, name=%s, capability=0x%x, " + "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n", + p->index, p->name, p->capability, + p->rangelow, p->rangehigh, p->txsubchans); +} + +static void v4l_print_tuner(const void *arg, bool write_only) +{ + const struct v4l2_tuner *p = arg; + + if (write_only) + pr_cont("index=%u, audmode=%u\n", p->index, p->audmode); + else + pr_cont("index=%u, name=%s, type=%u, capability=0x%x, " + "rangelow=%u, rangehigh=%u, signal=%u, afc=%d, " + "rxsubchans=0x%x, audmode=%u\n", + p->index, p->name, p->type, + p->capability, p->rangelow, + p->rangehigh, p->signal, p->afc, + p->rxsubchans, p->audmode); +} + +static void v4l_print_frequency(const void *arg, bool write_only) +{ + const struct v4l2_frequency *p = arg; + + pr_cont("tuner=%u, type=%u, frequency=%u\n", + p->tuner, p->type, p->frequency); +} + +static void v4l_print_standard(const void *arg, bool write_only) +{ + const struct v4l2_standard *p = arg; + + pr_cont("index=%u, id=0x%Lx, name=%s, fps=%u/%u, " + "framelines=%u\n", p->index, + (unsigned long long)p->id, p->name, + p->frameperiod.numerator, + p->frameperiod.denominator, + p->framelines); +} + +static void v4l_print_std(const void *arg, bool write_only) +{ + pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg); +} + +static void v4l_print_hw_freq_seek(const void *arg, bool write_only) +{ + const struct v4l2_hw_freq_seek *p = arg; + - pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n", - p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing); ++ pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u, " ++ "rangelow=%u, rangehigh=%u\n", ++ p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing, ++ p->rangelow, p->rangehigh); +} + +static void v4l_print_requestbuffers(const void *arg, bool write_only) +{ + const struct v4l2_requestbuffers *p = arg; + + pr_cont("count=%d, type=%s, memory=%s\n", + p->count, + prt_names(p->type, v4l2_type_names), + prt_names(p->memory, v4l2_memory_names)); +} + +static void v4l_print_buffer(const void *arg, bool write_only) +{ + const struct v4l2_buffer *p = arg; + const struct v4l2_timecode *tc = &p->timecode; + const struct v4l2_plane *plane; + int i; + + pr_cont("%02ld:%02d:%02d.%08ld index=%d, type=%s, " + "flags=0x%08x, field=%s, sequence=%d, memory=%s", + p->timestamp.tv_sec / 3600, + (int)(p->timestamp.tv_sec / 60) % 60, + (int)(p->timestamp.tv_sec % 60), + (long)p->timestamp.tv_usec, + p->index, + prt_names(p->type, v4l2_type_names), + p->flags, prt_names(p->field, v4l2_field_names), + p->sequence, prt_names(p->memory, v4l2_memory_names)); + + if (V4L2_TYPE_IS_MULTIPLANAR(p->type) && p->m.planes) { + pr_cont("\n"); + for (i = 0; i < p->length; ++i) { + plane = &p->m.planes[i]; + printk(KERN_DEBUG + "plane %d: bytesused=%d, data_offset=0x%08x " + "offset/userptr=0x%lx, length=%d\n", + i, plane->bytesused, plane->data_offset, + plane->m.userptr, plane->length); + } + } else { + pr_cont("bytesused=%d, offset/userptr=0x%lx, length=%d\n", + p->bytesused, p->m.userptr, p->length); + } + + printk(KERN_DEBUG "timecode=%02d:%02d:%02d type=%d, " + "flags=0x%08x, frames=%d, userbits=0x%08x\n", + tc->hours, tc->minutes, tc->seconds, + tc->type, tc->flags, tc->frames, *(__u32 *)tc->userbits); +} + +static void v4l_print_create_buffers(const void *arg, bool write_only) +{ + const struct v4l2_create_buffers *p = arg; + + pr_cont("index=%d, count=%d, memory=%s, ", + p->index, p->count, + prt_names(p->memory, v4l2_memory_names)); + v4l_print_format(&p->format, write_only); +} + +static void v4l_print_streamparm(const void *arg, bool write_only) +{ + const struct v4l2_streamparm *p = arg; + + pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); + + if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE || + p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { + const struct v4l2_captureparm *c = &p->parm.capture; + + pr_cont(", capability=0x%x, capturemode=0x%x, timeperframe=%d/%d, " + "extendedmode=%d, readbuffers=%d\n", + c->capability, c->capturemode, + c->timeperframe.numerator, c->timeperframe.denominator, + c->extendedmode, c->readbuffers); + } else if (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || + p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + const struct v4l2_outputparm *c = &p->parm.output; + + pr_cont(", capability=0x%x, outputmode=0x%x, timeperframe=%d/%d, " + "extendedmode=%d, writebuffers=%d\n", + c->capability, c->outputmode, + c->timeperframe.numerator, c->timeperframe.denominator, + c->extendedmode, c->writebuffers); + } +} + +static void v4l_print_queryctrl(const void *arg, bool write_only) +{ + const struct v4l2_queryctrl *p = arg; + + pr_cont("id=0x%x, type=%d, name=%s, min/max=%d/%d, " + "step=%d, default=%d, flags=0x%08x\n", + p->id, p->type, p->name, + p->minimum, p->maximum, + p->step, p->default_value, p->flags); +} + +static void v4l_print_querymenu(const void *arg, bool write_only) +{ + const struct v4l2_querymenu *p = arg; + + pr_cont("id=0x%x, index=%d\n", p->id, p->index); +} + +static void v4l_print_control(const void *arg, bool write_only) +{ + const struct v4l2_control *p = arg; + + pr_cont("id=0x%x, value=%d\n", p->id, p->value); +} + +static void v4l_print_ext_controls(const void *arg, bool write_only) +{ + const struct v4l2_ext_controls *p = arg; + int i; + + pr_cont("class=0x%x, count=%d, error_idx=%d", + p->ctrl_class, p->count, p->error_idx); + for (i = 0; i < p->count; i++) { + if (p->controls[i].size) + pr_cont(", id/val=0x%x/0x%x", + p->controls[i].id, p->controls[i].value); + else + pr_cont(", id/size=0x%x/%u", + p->controls[i].id, p->controls[i].size); + } + pr_cont("\n"); +} + +static void v4l_print_cropcap(const void *arg, bool write_only) +{ + const struct v4l2_cropcap *p = arg; + + pr_cont("type=%s, bounds wxh=%dx%d, x,y=%d,%d, " + "defrect wxh=%dx%d, x,y=%d,%d\n, " + "pixelaspect %d/%d\n", + prt_names(p->type, v4l2_type_names), + p->bounds.width, p->bounds.height, + p->bounds.left, p->bounds.top, + p->defrect.width, p->defrect.height, + p->defrect.left, p->defrect.top, + p->pixelaspect.numerator, p->pixelaspect.denominator); +} + +static void v4l_print_crop(const void *arg, bool write_only) +{ + const struct v4l2_crop *p = arg; + + pr_cont("type=%s, wxh=%dx%d, x,y=%d,%d\n", + prt_names(p->type, v4l2_type_names), + p->c.width, p->c.height, + p->c.left, p->c.top); +} + +static void v4l_print_selection(const void *arg, bool write_only) +{ + const struct v4l2_selection *p = arg; + + pr_cont("type=%s, target=%d, flags=0x%x, wxh=%dx%d, x,y=%d,%d\n", + prt_names(p->type, v4l2_type_names), + p->target, p->flags, + p->r.width, p->r.height, p->r.left, p->r.top); +} + +static void v4l_print_jpegcompression(const void *arg, bool write_only) +{ + const struct v4l2_jpegcompression *p = arg; + + pr_cont("quality=%d, APPn=%d, APP_len=%d, " + "COM_len=%d, jpeg_markers=0x%x\n", + p->quality, p->APPn, p->APP_len, + p->COM_len, p->jpeg_markers); +} + +static void v4l_print_enc_idx(const void *arg, bool write_only) +{ + const struct v4l2_enc_idx *p = arg; + + pr_cont("entries=%d, entries_cap=%d\n", + p->entries, p->entries_cap); +} + +static void v4l_print_encoder_cmd(const void *arg, bool write_only) +{ + const struct v4l2_encoder_cmd *p = arg; + + pr_cont("cmd=%d, flags=0x%x\n", + p->cmd, p->flags); +} + +static void v4l_print_decoder_cmd(const void *arg, bool write_only) +{ + const struct v4l2_decoder_cmd *p = arg; + + pr_cont("cmd=%d, flags=0x%x\n", p->cmd, p->flags); + + if (p->cmd == V4L2_DEC_CMD_START) + pr_info("speed=%d, format=%u\n", + p->start.speed, p->start.format); + else if (p->cmd == V4L2_DEC_CMD_STOP) + pr_info("pts=%llu\n", p->stop.pts); +} + +static void v4l_print_dbg_chip_ident(const void *arg, bool write_only) +{ + const struct v4l2_dbg_chip_ident *p = arg; + + pr_cont("type=%u, ", p->match.type); + if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) + pr_cont("name=%s, ", p->match.name); + else + pr_cont("addr=%u, ", p->match.addr); + pr_cont("chip_ident=%u, revision=0x%x\n", + p->ident, p->revision); +} + +static void v4l_print_dbg_register(const void *arg, bool write_only) +{ + const struct v4l2_dbg_register *p = arg; + + pr_cont("type=%u, ", p->match.type); + if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER) + pr_cont("name=%s, ", p->match.name); + else + pr_cont("addr=%u, ", p->match.addr); + pr_cont("reg=0x%llx, val=0x%llx\n", + p->reg, p->val); +} + +static void v4l_print_dv_enum_presets(const void *arg, bool write_only) +{ + const struct v4l2_dv_enum_preset *p = arg; + + pr_cont("index=%u, preset=%u, name=%s, width=%u, height=%u\n", + p->index, p->preset, p->name, p->width, p->height); +} + +static void v4l_print_dv_preset(const void *arg, bool write_only) +{ + const struct v4l2_dv_preset *p = arg; + + pr_cont("preset=%u\n", p->preset); +} + +static void v4l_print_dv_timings(const void *arg, bool write_only) +{ + const struct v4l2_dv_timings *p = arg; + + switch (p->type) { + case V4L2_DV_BT_656_1120: + pr_cont("type=bt-656/1120, interlaced=%u, " + "pixelclock=%llu, " + "width=%u, height=%u, polarities=0x%x, " + "hfrontporch=%u, hsync=%u, " + "hbackporch=%u, vfrontporch=%u, " + "vsync=%u, vbackporch=%u, " + "il_vfrontporch=%u, il_vsync=%u, " + "il_vbackporch=%u, standards=0x%x, flags=0x%x\n", + p->bt.interlaced, p->bt.pixelclock, + p->bt.width, p->bt.height, + p->bt.polarities, p->bt.hfrontporch, + p->bt.hsync, p->bt.hbackporch, + p->bt.vfrontporch, p->bt.vsync, + p->bt.vbackporch, p->bt.il_vfrontporch, + p->bt.il_vsync, p->bt.il_vbackporch, + p->bt.standards, p->bt.flags); + break; + default: + pr_cont("type=%d\n", p->type); + break; + } +} + +static void v4l_print_enum_dv_timings(const void *arg, bool write_only) +{ + const struct v4l2_enum_dv_timings *p = arg; + + pr_cont("index=%u, ", p->index); + v4l_print_dv_timings(&p->timings, write_only); +} + +static void v4l_print_dv_timings_cap(const void *arg, bool write_only) +{ + const struct v4l2_dv_timings_cap *p = arg; + + switch (p->type) { + case V4L2_DV_BT_656_1120: + pr_cont("type=bt-656/1120, width=%u-%u, height=%u-%u, " + "pixelclock=%llu-%llu, standards=0x%x, capabilities=0x%x\n", + p->bt.min_width, p->bt.max_width, + p->bt.min_height, p->bt.max_height, + p->bt.min_pixelclock, p->bt.max_pixelclock, + p->bt.standards, p->bt.capabilities); + break; + default: + pr_cont("type=%u\n", p->type); + break; + } +} + +static void v4l_print_frmsizeenum(const void *arg, bool write_only) +{ + const struct v4l2_frmsizeenum *p = arg; + + pr_cont("index=%u, pixelformat=%c%c%c%c, type=%u", + p->index, + (p->pixel_format & 0xff), + (p->pixel_format >> 8) & 0xff, + (p->pixel_format >> 16) & 0xff, + (p->pixel_format >> 24) & 0xff, + p->type); + switch (p->type) { + case V4L2_FRMSIZE_TYPE_DISCRETE: + pr_cont(" wxh=%ux%u\n", + p->discrete.width, p->discrete.height); + break; + case V4L2_FRMSIZE_TYPE_STEPWISE: + pr_cont(" min=%ux%u, max=%ux%u, step=%ux%u\n", + p->stepwise.min_width, p->stepwise.min_height, + p->stepwise.step_width, p->stepwise.step_height, + p->stepwise.max_width, p->stepwise.max_height); + break; + case V4L2_FRMSIZE_TYPE_CONTINUOUS: + /* fall through */ + default: + pr_cont("\n"); + break; + } +} + +static void v4l_print_frmivalenum(const void *arg, bool write_only) +{ + const struct v4l2_frmivalenum *p = arg; + + pr_cont("index=%u, pixelformat=%c%c%c%c, wxh=%ux%u, type=%u", + p->index, + (p->pixel_format & 0xff), + (p->pixel_format >> 8) & 0xff, + (p->pixel_format >> 16) & 0xff, + (p->pixel_format >> 24) & 0xff, + p->width, p->height, p->type); + switch (p->type) { + case V4L2_FRMIVAL_TYPE_DISCRETE: + pr_cont(" fps=%d/%d\n", + p->discrete.numerator, + p->discrete.denominator); + break; + case V4L2_FRMIVAL_TYPE_STEPWISE: + pr_cont(" min=%d/%d, max=%d/%d, step=%d/%d\n", + p->stepwise.min.numerator, + p->stepwise.min.denominator, + p->stepwise.max.numerator, + p->stepwise.max.denominator, + p->stepwise.step.numerator, + p->stepwise.step.denominator); + break; + case V4L2_FRMIVAL_TYPE_CONTINUOUS: + /* fall through */ + default: + pr_cont("\n"); + break; + } +} + +static void v4l_print_event(const void *arg, bool write_only) +{ + const struct v4l2_event *p = arg; + const struct v4l2_event_ctrl *c; + + pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, " + "timestamp=%lu.%9.9lu\n", + p->type, p->pending, p->sequence, p->id, + p->timestamp.tv_sec, p->timestamp.tv_nsec); + switch (p->type) { + case V4L2_EVENT_VSYNC: + printk(KERN_DEBUG "field=%s\n", + prt_names(p->u.vsync.field, v4l2_field_names)); + break; + case V4L2_EVENT_CTRL: + c = &p->u.ctrl; + printk(KERN_DEBUG "changes=0x%x, type=%u, ", + c->changes, c->type); + if (c->type == V4L2_CTRL_TYPE_INTEGER64) + pr_cont("value64=%lld, ", c->value64); + else + pr_cont("value=%d, ", c->value); + pr_cont("flags=0x%x, minimum=%d, maximum=%d, step=%d," + " default_value=%d\n", + c->flags, c->minimum, c->maximum, + c->step, c->default_value); + break; + case V4L2_EVENT_FRAME_SYNC: + pr_cont("frame_sequence=%u\n", + p->u.frame_sync.frame_sequence); + break; + } +} + +static void v4l_print_event_subscription(const void *arg, bool write_only) +{ + const struct v4l2_event_subscription *p = arg; + + pr_cont("type=0x%x, id=0x%x, flags=0x%x\n", + p->type, p->id, p->flags); +} + +static void v4l_print_sliced_vbi_cap(const void *arg, bool write_only) +{ + const struct v4l2_sliced_vbi_cap *p = arg; + int i; + + pr_cont("type=%s, service_set=0x%08x\n", + prt_names(p->type, v4l2_type_names), p->service_set); + for (i = 0; i < 24; i++) + printk(KERN_DEBUG "line[%02u]=0x%04x, 0x%04x\n", i, + p->service_lines[0][i], + p->service_lines[1][i]); +} + +static void v4l_print_freq_band(const void *arg, bool write_only) +{ + const struct v4l2_frequency_band *p = arg; + + pr_cont("tuner=%u, type=%u, index=%u, capability=0x%x, " + "rangelow=%u, rangehigh=%u, modulation=0x%x\n", + p->tuner, p->type, p->index, + p->capability, p->rangelow, + p->rangehigh, p->modulation); +} + +static void v4l_print_u32(const void *arg, bool write_only) +{ + pr_cont("value=%u\n", *(const u32 *)arg); +} + +static void v4l_print_newline(const void *arg, bool write_only) +{ + pr_cont("\n"); +} + +static void v4l_print_default(const void *arg, bool write_only) +{ + pr_cont("driver-specific ioctl\n"); +} + +static int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) +{ + __u32 i; + + /* zero the reserved fields */ + c->reserved[0] = c->reserved[1] = 0; + for (i = 0; i < c->count; i++) + c->controls[i].reserved2[0] = 0; + + /* V4L2_CID_PRIVATE_BASE cannot be used as control class + when using extended controls. + Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL + is it allowed for backwards compatibility. + */ + if (!allow_priv && c->ctrl_class == V4L2_CID_PRIVATE_BASE) + return 0; + /* Check that all controls are from the same control class. */ + for (i = 0; i < c->count; i++) { + if (V4L2_CTRL_ID2CLASS(c->controls[i].id) != c->ctrl_class) { + c->error_idx = i; + return 0; + } + } + return 1; +} + +static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type) +{ + if (ops == NULL) + return -EINVAL; + + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (ops->vidioc_g_fmt_vid_cap || + ops->vidioc_g_fmt_vid_cap_mplane) + return 0; + break; + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + if (ops->vidioc_g_fmt_vid_cap_mplane) + return 0; + break; + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (ops->vidioc_g_fmt_vid_overlay) + return 0; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (ops->vidioc_g_fmt_vid_out || + ops->vidioc_g_fmt_vid_out_mplane) + return 0; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + if (ops->vidioc_g_fmt_vid_out_mplane) + return 0; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + if (ops->vidioc_g_fmt_vid_out_overlay) + return 0; + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (ops->vidioc_g_fmt_vbi_cap) + return 0; + break; + case V4L2_BUF_TYPE_VBI_OUTPUT: + if (ops->vidioc_g_fmt_vbi_out) + return 0; + break; + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + if (ops->vidioc_g_fmt_sliced_vbi_cap) + return 0; + break; + case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + if (ops->vidioc_g_fmt_sliced_vbi_out) + return 0; + break; + case V4L2_BUF_TYPE_PRIVATE: + if (ops->vidioc_g_fmt_type_private) + return 0; + break; + } + return -EINVAL; +} + +static int v4l_querycap(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_capability *cap = (struct v4l2_capability *)arg; + + cap->version = LINUX_VERSION_CODE; + return ops->vidioc_querycap(file, fh, cap); +} + +static int v4l_s_input(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return ops->vidioc_s_input(file, fh, *(unsigned int *)arg); +} + +static int v4l_s_output(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return ops->vidioc_s_output(file, fh, *(unsigned int *)arg); +} + +static int v4l_g_priority(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd; + u32 *p = arg; + + if (ops->vidioc_g_priority) + return ops->vidioc_g_priority(file, fh, arg); + vfd = video_devdata(file); + *p = v4l2_prio_max(&vfd->v4l2_dev->prio); + return 0; +} + +static int v4l_s_priority(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd; + struct v4l2_fh *vfh; + u32 *p = arg; + + if (ops->vidioc_s_priority) + return ops->vidioc_s_priority(file, fh, *p); + vfd = video_devdata(file); + vfh = file->private_data; + return v4l2_prio_change(&vfd->v4l2_dev->prio, &vfh->prio, *p); +} + +static int v4l_enuminput(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_input *p = arg; + + /* + * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & + * CAP_STD here based on ioctl handler provided by the + * driver. If the driver doesn't support these + * for a specific input, it must override these flags. + */ + if (ops->vidioc_s_std) + p->capabilities |= V4L2_IN_CAP_STD; + if (ops->vidioc_s_dv_preset) + p->capabilities |= V4L2_IN_CAP_PRESETS; + if (ops->vidioc_s_dv_timings) + p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS; + + return ops->vidioc_enum_input(file, fh, p); +} + +static int v4l_enumoutput(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_output *p = arg; + + /* + * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS & + * CAP_STD here based on ioctl handler provided by the + * driver. If the driver doesn't support these + * for a specific output, it must override these flags. + */ + if (ops->vidioc_s_std) + p->capabilities |= V4L2_OUT_CAP_STD; + if (ops->vidioc_s_dv_preset) + p->capabilities |= V4L2_OUT_CAP_PRESETS; + if (ops->vidioc_s_dv_timings) + p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS; + + return ops->vidioc_enum_output(file, fh, p); +} + +static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_fmtdesc *p = arg; + + switch (p->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (unlikely(!ops->vidioc_enum_fmt_vid_cap)) + break; + return ops->vidioc_enum_fmt_vid_cap(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + if (unlikely(!ops->vidioc_enum_fmt_vid_cap_mplane)) + break; + return ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (unlikely(!ops->vidioc_enum_fmt_vid_overlay)) + break; + return ops->vidioc_enum_fmt_vid_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (unlikely(!ops->vidioc_enum_fmt_vid_out)) + break; + return ops->vidioc_enum_fmt_vid_out(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + if (unlikely(!ops->vidioc_enum_fmt_vid_out_mplane)) + break; + return ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg); + case V4L2_BUF_TYPE_PRIVATE: + if (unlikely(!ops->vidioc_enum_fmt_type_private)) + break; + return ops->vidioc_enum_fmt_type_private(file, fh, arg); + } + return -EINVAL; +} + +static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_format *p = arg; + + switch (p->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (unlikely(!ops->vidioc_g_fmt_vid_cap)) + break; + return ops->vidioc_g_fmt_vid_cap(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + if (unlikely(!ops->vidioc_g_fmt_vid_cap_mplane)) + break; + return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (unlikely(!ops->vidioc_g_fmt_vid_overlay)) + break; + return ops->vidioc_g_fmt_vid_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (unlikely(!ops->vidioc_g_fmt_vid_out)) + break; + return ops->vidioc_g_fmt_vid_out(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + if (unlikely(!ops->vidioc_g_fmt_vid_out_mplane)) + break; + return ops->vidioc_g_fmt_vid_out_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + if (unlikely(!ops->vidioc_g_fmt_vid_out_overlay)) + break; + return ops->vidioc_g_fmt_vid_out_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (unlikely(!ops->vidioc_g_fmt_vbi_cap)) + break; + return ops->vidioc_g_fmt_vbi_cap(file, fh, arg); + case V4L2_BUF_TYPE_VBI_OUTPUT: + if (unlikely(!ops->vidioc_g_fmt_vbi_out)) + break; + return ops->vidioc_g_fmt_vbi_out(file, fh, arg); + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + if (unlikely(!ops->vidioc_g_fmt_sliced_vbi_cap)) + break; + return ops->vidioc_g_fmt_sliced_vbi_cap(file, fh, arg); + case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + if (unlikely(!ops->vidioc_g_fmt_sliced_vbi_out)) + break; + return ops->vidioc_g_fmt_sliced_vbi_out(file, fh, arg); + case V4L2_BUF_TYPE_PRIVATE: + if (unlikely(!ops->vidioc_g_fmt_type_private)) + break; + return ops->vidioc_g_fmt_type_private(file, fh, arg); + } + return -EINVAL; +} + +static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_format *p = arg; + + switch (p->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (unlikely(!ops->vidioc_s_fmt_vid_cap)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix); + return ops->vidioc_s_fmt_vid_cap(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix_mp); + return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (unlikely(!ops->vidioc_s_fmt_vid_overlay)) + break; + CLEAR_AFTER_FIELD(p, fmt.win); + return ops->vidioc_s_fmt_vid_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (unlikely(!ops->vidioc_s_fmt_vid_out)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix); + return ops->vidioc_s_fmt_vid_out(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix_mp); + return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay)) + break; + CLEAR_AFTER_FIELD(p, fmt.win); + return ops->vidioc_s_fmt_vid_out_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (unlikely(!ops->vidioc_s_fmt_vbi_cap)) + break; + CLEAR_AFTER_FIELD(p, fmt.vbi); + return ops->vidioc_s_fmt_vbi_cap(file, fh, arg); + case V4L2_BUF_TYPE_VBI_OUTPUT: + if (unlikely(!ops->vidioc_s_fmt_vbi_out)) + break; + CLEAR_AFTER_FIELD(p, fmt.vbi); + return ops->vidioc_s_fmt_vbi_out(file, fh, arg); + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_cap)) + break; + CLEAR_AFTER_FIELD(p, fmt.sliced); + return ops->vidioc_s_fmt_sliced_vbi_cap(file, fh, arg); + case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + if (unlikely(!ops->vidioc_s_fmt_sliced_vbi_out)) + break; + CLEAR_AFTER_FIELD(p, fmt.sliced); + return ops->vidioc_s_fmt_sliced_vbi_out(file, fh, arg); + case V4L2_BUF_TYPE_PRIVATE: + if (unlikely(!ops->vidioc_s_fmt_type_private)) + break; + return ops->vidioc_s_fmt_type_private(file, fh, arg); + } + return -EINVAL; +} + +static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_format *p = arg; + + switch (p->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (unlikely(!ops->vidioc_try_fmt_vid_cap)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix); + return ops->vidioc_try_fmt_vid_cap(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix_mp); + return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OVERLAY: + if (unlikely(!ops->vidioc_try_fmt_vid_overlay)) + break; + CLEAR_AFTER_FIELD(p, fmt.win); + return ops->vidioc_try_fmt_vid_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + if (unlikely(!ops->vidioc_try_fmt_vid_out)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix); + return ops->vidioc_try_fmt_vid_out(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane)) + break; + CLEAR_AFTER_FIELD(p, fmt.pix_mp); + return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); + case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: + if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay)) + break; + CLEAR_AFTER_FIELD(p, fmt.win); + return ops->vidioc_try_fmt_vid_out_overlay(file, fh, arg); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (unlikely(!ops->vidioc_try_fmt_vbi_cap)) + break; + CLEAR_AFTER_FIELD(p, fmt.vbi); + return ops->vidioc_try_fmt_vbi_cap(file, fh, arg); + case V4L2_BUF_TYPE_VBI_OUTPUT: + if (unlikely(!ops->vidioc_try_fmt_vbi_out)) + break; + CLEAR_AFTER_FIELD(p, fmt.vbi); + return ops->vidioc_try_fmt_vbi_out(file, fh, arg); + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_cap)) + break; + CLEAR_AFTER_FIELD(p, fmt.sliced); + return ops->vidioc_try_fmt_sliced_vbi_cap(file, fh, arg); + case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT: + if (unlikely(!ops->vidioc_try_fmt_sliced_vbi_out)) + break; + CLEAR_AFTER_FIELD(p, fmt.sliced); + return ops->vidioc_try_fmt_sliced_vbi_out(file, fh, arg); + case V4L2_BUF_TYPE_PRIVATE: + if (unlikely(!ops->vidioc_try_fmt_type_private)) + break; + return ops->vidioc_try_fmt_type_private(file, fh, arg); + } + return -EINVAL; +} + +static int v4l_streamon(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return ops->vidioc_streamon(file, fh, *(unsigned int *)arg); +} + +static int v4l_streamoff(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg); +} + +static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_tuner *p = arg; + int err; + + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + err = ops->vidioc_g_tuner(file, fh, p); + if (!err) + p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; + return err; +} + +static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_tuner *p = arg; + + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + return ops->vidioc_s_tuner(file, fh, p); +} + +static int v4l_g_modulator(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_modulator *p = arg; + int err; + + err = ops->vidioc_g_modulator(file, fh, p); + if (!err) + p->capability |= V4L2_TUNER_CAP_FREQ_BANDS; + return err; +} + +static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_frequency *p = arg; + + p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + return ops->vidioc_g_frequency(file, fh, p); +} + +static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_frequency *p = arg; + enum v4l2_tuner_type type; + + type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + if (p->type != type) + return -EINVAL; + return ops->vidioc_s_frequency(file, fh, p); +} + +static int v4l_enumstd(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_standard *p = arg; + v4l2_std_id id = vfd->tvnorms, curr_id = 0; + unsigned int index = p->index, i, j = 0; + const char *descr = ""; + + /* Return norm array in a canonical way */ + for (i = 0; i <= index && id; i++) { + /* last std value in the standards array is 0, so this + while always ends there since (id & 0) == 0. */ + while ((id & standards[j].std) != standards[j].std) + j++; + curr_id = standards[j].std; + descr = standards[j].descr; + j++; + if (curr_id == 0) + break; + if (curr_id != V4L2_STD_PAL && + curr_id != V4L2_STD_SECAM && + curr_id != V4L2_STD_NTSC) + id &= ~curr_id; + } + if (i <= index) + return -EINVAL; + + v4l2_video_std_construct(p, curr_id, descr); + return 0; +} + +static int v4l_g_std(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + v4l2_std_id *id = arg; + + /* Calls the specific handler */ + if (ops->vidioc_g_std) + return ops->vidioc_g_std(file, fh, arg); + if (vfd->current_norm) { + *id = vfd->current_norm; + return 0; + } + return -ENOTTY; +} + +static int v4l_s_std(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + v4l2_std_id *id = arg, norm; + int ret; + + norm = (*id) & vfd->tvnorms; + if (vfd->tvnorms && !norm) /* Check if std is supported */ + return -EINVAL; + + /* Calls the specific handler */ + ret = ops->vidioc_s_std(file, fh, &norm); + + /* Updates standard information */ + if (ret >= 0) + vfd->current_norm = norm; + return ret; +} + +static int v4l_querystd(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + v4l2_std_id *p = arg; + + /* + * If nothing detected, it should return all supported + * standard. + * Drivers just need to mask the std argument, in order + * to remove the standards that don't apply from the mask. + * This means that tuners, audio and video decoders can join + * their efforts to improve the standards detection. + */ + *p = vfd->tvnorms; + return ops->vidioc_querystd(file, fh, arg); +} + +static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_hw_freq_seek *p = arg; + enum v4l2_tuner_type type; + + type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + if (p->type != type) + return -EINVAL; + return ops->vidioc_s_hw_freq_seek(file, fh, p); +} + +static int v4l_reqbufs(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_requestbuffers *p = arg; + int ret = check_fmt(ops, p->type); + + if (ret) + return ret; + + if (p->type < V4L2_BUF_TYPE_PRIVATE) + CLEAR_AFTER_FIELD(p, memory); + + return ops->vidioc_reqbufs(file, fh, p); +} + +static int v4l_querybuf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_querybuf(file, fh, p); +} + +static int v4l_qbuf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_qbuf(file, fh, p); +} + +static int v4l_dqbuf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_dqbuf(file, fh, p); +} + +static int v4l_create_bufs(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_create_buffers *create = arg; + int ret = check_fmt(ops, create->format.type); + + return ret ? ret : ops->vidioc_create_bufs(file, fh, create); +} + +static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_buffer *b = arg; + int ret = check_fmt(ops, b->type); + + return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); +} + +static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_streamparm *p = arg; + v4l2_std_id std; + int ret = check_fmt(ops, p->type); + + if (ret) + return ret; + if (ops->vidioc_g_parm) + return ops->vidioc_g_parm(file, fh, p); + std = vfd->current_norm; + if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) + return -EINVAL; + p->parm.capture.readbuffers = 2; + if (ops->vidioc_g_std) + ret = ops->vidioc_g_std(file, fh, &std); + if (ret == 0) + v4l2_video_std_frame_period(std, + &p->parm.capture.timeperframe); + return ret; +} + +static int v4l_s_parm(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_streamparm *p = arg; + int ret = check_fmt(ops, p->type); + + return ret ? ret : ops->vidioc_s_parm(file, fh, p); +} + +static int v4l_queryctrl(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_queryctrl *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + + if (vfh && vfh->ctrl_handler) + return v4l2_queryctrl(vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_queryctrl(vfd->ctrl_handler, p); + if (ops->vidioc_queryctrl) + return ops->vidioc_queryctrl(file, fh, p); + return -ENOTTY; +} + +static int v4l_querymenu(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_querymenu *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + + if (vfh && vfh->ctrl_handler) + return v4l2_querymenu(vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_querymenu(vfd->ctrl_handler, p); + if (ops->vidioc_querymenu) + return ops->vidioc_querymenu(file, fh, p); + return -ENOTTY; +} + +static int v4l_g_ctrl(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_control *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + struct v4l2_ext_controls ctrls; + struct v4l2_ext_control ctrl; + + if (vfh && vfh->ctrl_handler) + return v4l2_g_ctrl(vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_g_ctrl(vfd->ctrl_handler, p); + if (ops->vidioc_g_ctrl) + return ops->vidioc_g_ctrl(file, fh, p); + if (ops->vidioc_g_ext_ctrls == NULL) + return -ENOTTY; + + ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); + ctrls.count = 1; + ctrls.controls = &ctrl; + ctrl.id = p->id; + ctrl.value = p->value; + if (check_ext_ctrls(&ctrls, 1)) { + int ret = ops->vidioc_g_ext_ctrls(file, fh, &ctrls); + + if (ret == 0) + p->value = ctrl.value; + return ret; + } + return -EINVAL; +} + +static int v4l_s_ctrl(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_control *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + struct v4l2_ext_controls ctrls; + struct v4l2_ext_control ctrl; + + if (vfh && vfh->ctrl_handler) + return v4l2_s_ctrl(vfh, vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_s_ctrl(NULL, vfd->ctrl_handler, p); + if (ops->vidioc_s_ctrl) + return ops->vidioc_s_ctrl(file, fh, p); + if (ops->vidioc_s_ext_ctrls == NULL) + return -ENOTTY; + + ctrls.ctrl_class = V4L2_CTRL_ID2CLASS(p->id); + ctrls.count = 1; + ctrls.controls = &ctrl; + ctrl.id = p->id; + ctrl.value = p->value; + if (check_ext_ctrls(&ctrls, 1)) + return ops->vidioc_s_ext_ctrls(file, fh, &ctrls); + return -EINVAL; +} + +static int v4l_g_ext_ctrls(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_ext_controls *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + + p->error_idx = p->count; + if (vfh && vfh->ctrl_handler) + return v4l2_g_ext_ctrls(vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_g_ext_ctrls(vfd->ctrl_handler, p); + if (ops->vidioc_g_ext_ctrls == NULL) + return -ENOTTY; + return check_ext_ctrls(p, 0) ? ops->vidioc_g_ext_ctrls(file, fh, p) : + -EINVAL; +} + +static int v4l_s_ext_ctrls(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_ext_controls *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + + p->error_idx = p->count; + if (vfh && vfh->ctrl_handler) + return v4l2_s_ext_ctrls(vfh, vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_s_ext_ctrls(NULL, vfd->ctrl_handler, p); + if (ops->vidioc_s_ext_ctrls == NULL) + return -ENOTTY; + return check_ext_ctrls(p, 0) ? ops->vidioc_s_ext_ctrls(file, fh, p) : + -EINVAL; +} + +static int v4l_try_ext_ctrls(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_ext_controls *p = arg; + struct v4l2_fh *vfh = + test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags) ? fh : NULL; + + p->error_idx = p->count; + if (vfh && vfh->ctrl_handler) + return v4l2_try_ext_ctrls(vfh->ctrl_handler, p); + if (vfd->ctrl_handler) + return v4l2_try_ext_ctrls(vfd->ctrl_handler, p); + if (ops->vidioc_try_ext_ctrls == NULL) + return -ENOTTY; + return check_ext_ctrls(p, 0) ? ops->vidioc_try_ext_ctrls(file, fh, p) : + -EINVAL; +} + +static int v4l_g_crop(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_crop *p = arg; + struct v4l2_selection s = { + .type = p->type, + }; + int ret; + + if (ops->vidioc_g_crop) + return ops->vidioc_g_crop(file, fh, p); + /* simulate capture crop using selection api */ + + /* crop means compose for output devices */ + if (V4L2_TYPE_IS_OUTPUT(p->type)) + s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; + else + s.target = V4L2_SEL_TGT_CROP_ACTIVE; + + ret = ops->vidioc_g_selection(file, fh, &s); + + /* copying results to old structure on success */ + if (!ret) + p->c = s.r; + return ret; +} + +static int v4l_s_crop(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_crop *p = arg; + struct v4l2_selection s = { + .type = p->type, + .r = p->c, + }; + + if (ops->vidioc_s_crop) + return ops->vidioc_s_crop(file, fh, p); + /* simulate capture crop using selection api */ + + /* crop means compose for output devices */ + if (V4L2_TYPE_IS_OUTPUT(p->type)) + s.target = V4L2_SEL_TGT_COMPOSE_ACTIVE; + else + s.target = V4L2_SEL_TGT_CROP_ACTIVE; + + return ops->vidioc_s_selection(file, fh, &s); +} + +static int v4l_cropcap(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_cropcap *p = arg; + struct v4l2_selection s = { .type = p->type }; + int ret; + + if (ops->vidioc_cropcap) + return ops->vidioc_cropcap(file, fh, p); + + /* obtaining bounds */ + if (V4L2_TYPE_IS_OUTPUT(p->type)) + s.target = V4L2_SEL_TGT_COMPOSE_BOUNDS; + else + s.target = V4L2_SEL_TGT_CROP_BOUNDS; + + ret = ops->vidioc_g_selection(file, fh, &s); + if (ret) + return ret; + p->bounds = s.r; + + /* obtaining defrect */ + if (V4L2_TYPE_IS_OUTPUT(p->type)) + s.target = V4L2_SEL_TGT_COMPOSE_DEFAULT; + else + s.target = V4L2_SEL_TGT_CROP_DEFAULT; + + ret = ops->vidioc_g_selection(file, fh, &s); + if (ret) + return ret; + p->defrect = s.r; + + /* setting trivial pixelaspect */ + p->pixelaspect.numerator = 1; + p->pixelaspect.denominator = 1; + return 0; +} + +static int v4l_log_status(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + int ret; + + if (vfd->v4l2_dev) + pr_info("%s: ================= START STATUS =================\n", + vfd->v4l2_dev->name); + ret = ops->vidioc_log_status(file, fh); + if (vfd->v4l2_dev) + pr_info("%s: ================== END STATUS ==================\n", + vfd->v4l2_dev->name); + return ret; +} + +static int v4l_dbg_g_register(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ +#ifdef CONFIG_VIDEO_ADV_DEBUG + struct v4l2_dbg_register *p = arg; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + return ops->vidioc_g_register(file, fh, p); +#else + return -ENOTTY; +#endif +} + +static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ +#ifdef CONFIG_VIDEO_ADV_DEBUG + struct v4l2_dbg_register *p = arg; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + return ops->vidioc_s_register(file, fh, p); +#else + return -ENOTTY; +#endif +} + +static int v4l_dbg_g_chip_ident(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_dbg_chip_ident *p = arg; + + p->ident = V4L2_IDENT_NONE; + p->revision = 0; + return ops->vidioc_g_chip_ident(file, fh, p); +} + +static int v4l_dqevent(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return v4l2_event_dequeue(fh, arg, file->f_flags & O_NONBLOCK); +} + +static int v4l_subscribe_event(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return ops->vidioc_subscribe_event(fh, arg); +} + +static int v4l_unsubscribe_event(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + return ops->vidioc_unsubscribe_event(fh, arg); +} + +static int v4l_g_sliced_vbi_cap(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_sliced_vbi_cap *p = arg; + + /* Clear up to type, everything after type is zeroed already */ + memset(p, 0, offsetof(struct v4l2_sliced_vbi_cap, type)); + + return ops->vidioc_g_sliced_vbi_cap(file, fh, p); +} + +static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct video_device *vfd = video_devdata(file); + struct v4l2_frequency_band *p = arg; + enum v4l2_tuner_type type; + int err; + + type = (vfd->vfl_type == VFL_TYPE_RADIO) ? + V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + + if (type != p->type) + return -EINVAL; + if (ops->vidioc_enum_freq_bands) + return ops->vidioc_enum_freq_bands(file, fh, p); + if (ops->vidioc_g_tuner) { + struct v4l2_tuner t = { + .index = p->tuner, + .type = type, + }; + ++ if (p->index) ++ return -EINVAL; + err = ops->vidioc_g_tuner(file, fh, &t); + if (err) + return err; + p->capability = t.capability | V4L2_TUNER_CAP_FREQ_BANDS; + p->rangelow = t.rangelow; + p->rangehigh = t.rangehigh; + p->modulation = (type == V4L2_TUNER_RADIO) ? + V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; + return 0; + } + if (ops->vidioc_g_modulator) { + struct v4l2_modulator m = { + .index = p->tuner, + }; + + if (type != V4L2_TUNER_RADIO) + return -EINVAL; ++ if (p->index) ++ return -EINVAL; + err = ops->vidioc_g_modulator(file, fh, &m); + if (err) + return err; + p->capability = m.capability | V4L2_TUNER_CAP_FREQ_BANDS; + p->rangelow = m.rangelow; + p->rangehigh = m.rangehigh; + p->modulation = (type == V4L2_TUNER_RADIO) ? + V4L2_BAND_MODULATION_FM : V4L2_BAND_MODULATION_VSB; + return 0; + } + return -ENOTTY; +} + +struct v4l2_ioctl_info { + unsigned int ioctl; + u32 flags; + const char * const name; + union { + u32 offset; + int (*func)(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *p); + } u; + void (*debug)(const void *arg, bool write_only); +}; + +/* This control needs a priority check */ +#define INFO_FL_PRIO (1 << 0) +/* This control can be valid if the filehandle passes a control handler. */ +#define INFO_FL_CTRL (1 << 1) +/* This is a standard ioctl, no need for special code */ +#define INFO_FL_STD (1 << 2) +/* This is ioctl has its own function */ +#define INFO_FL_FUNC (1 << 3) +/* Queuing ioctl */ +#define INFO_FL_QUEUE (1 << 4) +/* Zero struct from after the field to the end */ +#define INFO_FL_CLEAR(v4l2_struct, field) \ + ((offsetof(struct v4l2_struct, field) + \ + sizeof(((struct v4l2_struct *)0)->field)) << 16) +#define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16) + +#define IOCTL_INFO_STD(_ioctl, _vidioc, _debug, _flags) \ + [_IOC_NR(_ioctl)] = { \ + .ioctl = _ioctl, \ + .flags = _flags | INFO_FL_STD, \ + .name = #_ioctl, \ + .u.offset = offsetof(struct v4l2_ioctl_ops, _vidioc), \ + .debug = _debug, \ + } + +#define IOCTL_INFO_FNC(_ioctl, _func, _debug, _flags) \ + [_IOC_NR(_ioctl)] = { \ + .ioctl = _ioctl, \ + .flags = _flags | INFO_FL_FUNC, \ + .name = #_ioctl, \ + .u.func = _func, \ + .debug = _debug, \ + } + +static struct v4l2_ioctl_info v4l2_ioctls[] = { + IOCTL_INFO_FNC(VIDIOC_QUERYCAP, v4l_querycap, v4l_print_querycap, 0), + IOCTL_INFO_FNC(VIDIOC_ENUM_FMT, v4l_enum_fmt, v4l_print_fmtdesc, INFO_FL_CLEAR(v4l2_fmtdesc, type)), + IOCTL_INFO_FNC(VIDIOC_G_FMT, v4l_g_fmt, v4l_print_format, INFO_FL_CLEAR(v4l2_format, type)), + IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE), + IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)), + IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0), + IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_OVERLAY, vidioc_overlay, v4l_print_u32, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), + IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), + IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), + IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), + IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), + IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_STD, v4l_g_std, v4l_print_std, 0), + IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), + IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), + IOCTL_INFO_FNC(VIDIOC_G_CTRL, v4l_g_ctrl, v4l_print_control, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_control, id)), + IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL), + IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), + IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0), + IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), + IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)), + IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0), + IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0), + IOCTL_INFO_FNC(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), + IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0), + IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_MODULATOR, v4l_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), + IOCTL_INFO_STD(VIDIOC_S_MODULATOR, vidioc_s_modulator, v4l_print_modulator, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), + IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)), + IOCTL_INFO_FNC(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)), + IOCTL_INFO_FNC(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_SELECTION, vidioc_g_selection, v4l_print_selection, 0), + IOCTL_INFO_STD(VIDIOC_S_SELECTION, vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp, v4l_print_jpegcompression, 0), + IOCTL_INFO_STD(VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), + IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), + IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), + IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), + IOCTL_INFO_FNC(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0), + IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO), + IOCTL_INFO_FNC(VIDIOC_G_SLICED_VBI_CAP, v4l_g_sliced_vbi_cap, v4l_print_sliced_vbi_cap, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)), + IOCTL_INFO_FNC(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0), + IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), + IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL), + IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), + IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), + IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), + IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0), + IOCTL_INFO_STD(VIDIOC_ENCODER_CMD, vidioc_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), + IOCTL_INFO_STD(VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), + IOCTL_INFO_STD(VIDIOC_DECODER_CMD, vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), + IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), + IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), + IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_IDENT, v4l_dbg_g_chip_ident, v4l_print_dbg_chip_ident, 0), + IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_ENUM_DV_PRESETS, vidioc_enum_dv_presets, v4l_print_dv_enum_presets, 0), + IOCTL_INFO_STD(VIDIOC_S_DV_PRESET, vidioc_s_dv_preset, v4l_print_dv_preset, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_DV_PRESET, vidioc_g_dv_preset, v4l_print_dv_preset, 0), + IOCTL_INFO_STD(VIDIOC_QUERY_DV_PRESET, vidioc_query_dv_preset, v4l_print_dv_preset, 0), + IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO), + IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0), + IOCTL_INFO_FNC(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0), + IOCTL_INFO_FNC(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), + IOCTL_INFO_FNC(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0), + IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE), + IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), + IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, 0), + IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, 0), + IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, type)), + IOCTL_INFO_FNC(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), +}; +#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) + +bool v4l2_is_known_ioctl(unsigned int cmd) +{ + if (_IOC_NR(cmd) >= V4L2_IOCTLS) + return false; + return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd; +} + +struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd) +{ + if (_IOC_NR(cmd) >= V4L2_IOCTLS) + return vdev->lock; + if (test_bit(_IOC_NR(cmd), vdev->disable_locking)) + return NULL; + if (vdev->queue && vdev->queue->lock && + (v4l2_ioctls[_IOC_NR(cmd)].flags & INFO_FL_QUEUE)) + return vdev->queue->lock; + return vdev->lock; +} + +/* Common ioctl debug function. This function can be used by + external ioctl messages as well as internal V4L ioctl */ +void v4l_printk_ioctl(const char *prefix, unsigned int cmd) +{ + const char *dir, *type; + + if (prefix) + printk(KERN_DEBUG "%s: ", prefix); + + switch (_IOC_TYPE(cmd)) { + case 'd': + type = "v4l2_int"; + break; + case 'V': + if (_IOC_NR(cmd) >= V4L2_IOCTLS) { + type = "v4l2"; + break; + } + pr_cont("%s", v4l2_ioctls[_IOC_NR(cmd)].name); + return; + default: + type = "unknown"; + break; + } + + switch (_IOC_DIR(cmd)) { + case _IOC_NONE: dir = "--"; break; + case _IOC_READ: dir = "r-"; break; + case _IOC_WRITE: dir = "-w"; break; + case _IOC_READ | _IOC_WRITE: dir = "rw"; break; + default: dir = "*ERR*"; break; + } + pr_cont("%s ioctl '%c', dir=%s, #%d (0x%08x)", + type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); +} +EXPORT_SYMBOL(v4l_printk_ioctl); + +static long __video_do_ioctl(struct file *file, + unsigned int cmd, void *arg) +{ + struct video_device *vfd = video_devdata(file); + const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; + bool write_only = false; + struct v4l2_ioctl_info default_info; + const struct v4l2_ioctl_info *info; + void *fh = file->private_data; + struct v4l2_fh *vfh = NULL; + int use_fh_prio = 0; + int debug = vfd->debug; + long ret = -ENOTTY; + + if (ops == NULL) { + pr_warn("%s: has no ioctl_ops.\n", + video_device_node_name(vfd)); + return ret; + } + + if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) { + vfh = file->private_data; + use_fh_prio = test_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); + } + + if (v4l2_is_known_ioctl(cmd)) { + info = &v4l2_ioctls[_IOC_NR(cmd)]; + + if (!test_bit(_IOC_NR(cmd), vfd->valid_ioctls) && + !((info->flags & INFO_FL_CTRL) && vfh && vfh->ctrl_handler)) + goto done; + + if (use_fh_prio && (info->flags & INFO_FL_PRIO)) { + ret = v4l2_prio_check(vfd->prio, vfh->prio); + if (ret) + goto done; + } + } else { + default_info.ioctl = cmd; + default_info.flags = 0; + default_info.debug = v4l_print_default; + info = &default_info; + } + + write_only = _IOC_DIR(cmd) == _IOC_WRITE; + if (write_only && debug > V4L2_DEBUG_IOCTL) { + v4l_printk_ioctl(video_device_node_name(vfd), cmd); + pr_cont(": "); + info->debug(arg, write_only); + } + if (info->flags & INFO_FL_STD) { + typedef int (*vidioc_op)(struct file *file, void *fh, void *p); + const void *p = vfd->ioctl_ops; + const vidioc_op *vidioc = p + info->u.offset; + + ret = (*vidioc)(file, fh, arg); + } else if (info->flags & INFO_FL_FUNC) { + ret = info->u.func(ops, file, fh, arg); + } else if (!ops->vidioc_default) { + ret = -ENOTTY; + } else { + ret = ops->vidioc_default(file, fh, + use_fh_prio ? v4l2_prio_check(vfd->prio, vfh->prio) >= 0 : 0, + cmd, arg); + } + +done: + if (debug) { + if (write_only && debug > V4L2_DEBUG_IOCTL) { + if (ret < 0) + printk(KERN_DEBUG "%s: error %ld\n", + video_device_node_name(vfd), ret); + return ret; + } + v4l_printk_ioctl(video_device_node_name(vfd), cmd); + if (ret < 0) + pr_cont(": error %ld\n", ret); + else if (debug == V4L2_DEBUG_IOCTL) + pr_cont("\n"); + else if (_IOC_DIR(cmd) == _IOC_NONE) + info->debug(arg, write_only); + else { + pr_cont(": "); + info->debug(arg, write_only); + } + } + + return ret; +} + +static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, + void * __user *user_ptr, void ***kernel_ptr) +{ + int ret = 0; + + switch (cmd) { + case VIDIOC_QUERYBUF: + case VIDIOC_QBUF: + case VIDIOC_DQBUF: { + struct v4l2_buffer *buf = parg; + + if (V4L2_TYPE_IS_MULTIPLANAR(buf->type) && buf->length > 0) { + if (buf->length > VIDEO_MAX_PLANES) { + ret = -EINVAL; + break; + } + *user_ptr = (void __user *)buf->m.planes; + *kernel_ptr = (void *)&buf->m.planes; + *array_size = sizeof(struct v4l2_plane) * buf->length; + ret = 1; + } + break; + } + + case VIDIOC_S_EXT_CTRLS: + case VIDIOC_G_EXT_CTRLS: + case VIDIOC_TRY_EXT_CTRLS: { + struct v4l2_ext_controls *ctrls = parg; + + if (ctrls->count != 0) { + if (ctrls->count > V4L2_CID_MAX_CTRLS) { + ret = -EINVAL; + break; + } + *user_ptr = (void __user *)ctrls->controls; + *kernel_ptr = (void *)&ctrls->controls; + *array_size = sizeof(struct v4l2_ext_control) + * ctrls->count; + ret = 1; + } + break; + } + } + + return ret; +} + +long +video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, + v4l2_kioctl func) +{ + char sbuf[128]; + void *mbuf = NULL; + void *parg = (void *)arg; + long err = -EINVAL; + bool has_array_args; + size_t array_size = 0; + void __user *user_ptr = NULL; + void **kernel_ptr = NULL; + + /* Copy arguments into temp kernel buffer */ + if (_IOC_DIR(cmd) != _IOC_NONE) { + if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { + parg = sbuf; + } else { + /* too big to allocate from stack */ + mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); + if (NULL == mbuf) + return -ENOMEM; + parg = mbuf; + } + + err = -EFAULT; + if (_IOC_DIR(cmd) & _IOC_WRITE) { + unsigned int n = _IOC_SIZE(cmd); + + /* + * In some cases, only a few fields are used as input, + * i.e. when the app sets "index" and then the driver + * fills in the rest of the structure for the thing + * with that index. We only need to copy up the first + * non-input field. + */ + if (v4l2_is_known_ioctl(cmd)) { + u32 flags = v4l2_ioctls[_IOC_NR(cmd)].flags; + if (flags & INFO_FL_CLEAR_MASK) + n = (flags & INFO_FL_CLEAR_MASK) >> 16; + } + + if (copy_from_user(parg, (void __user *)arg, n)) + goto out; + + /* zero out anything we don't copy from userspace */ + if (n < _IOC_SIZE(cmd)) + memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); + } else { + /* read-only ioctl */ + memset(parg, 0, _IOC_SIZE(cmd)); + } + } + + err = check_array_args(cmd, parg, &array_size, &user_ptr, &kernel_ptr); + if (err < 0) + goto out; + has_array_args = err; + + if (has_array_args) { + /* + * When adding new types of array args, make sure that the + * parent argument to ioctl (which contains the pointer to the + * array) fits into sbuf (so that mbuf will still remain + * unused up to here). + */ + mbuf = kmalloc(array_size, GFP_KERNEL); + err = -ENOMEM; + if (NULL == mbuf) + goto out_array_args; + err = -EFAULT; + if (copy_from_user(mbuf, user_ptr, array_size)) + goto out_array_args; + *kernel_ptr = mbuf; + } + + /* Handles IOCTL */ + err = func(file, cmd, parg); + if (err == -ENOIOCTLCMD) + err = -ENOTTY; + + if (has_array_args) { + *kernel_ptr = user_ptr; + if (copy_to_user(user_ptr, mbuf, array_size)) + err = -EFAULT; + goto out_array_args; + } + /* VIDIOC_QUERY_DV_TIMINGS can return an error, but still have valid + results that must be returned. */ + if (err < 0 && cmd != VIDIOC_QUERY_DV_TIMINGS) + goto out; + +out_array_args: + /* Copy results into user buffer */ + switch (_IOC_DIR(cmd)) { + case _IOC_READ: + case (_IOC_WRITE | _IOC_READ): + if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) + err = -EFAULT; + break; + } + +out: + kfree(mbuf); + return err; +} +EXPORT_SYMBOL(video_usercopy); + +long video_ioctl2(struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(file, cmd, arg, __video_do_ioctl); +} +EXPORT_SYMBOL(video_ioctl2);