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authorLinus Torvalds <torvalds@linux-foundation.org>2010-07-12 14:44:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-07-12 14:44:19 -0700
commit9f71963702764243d0835b07660ae505b66ca09f (patch)
treecb6b4d3ea8c796fe00d309601c7279aded078906 /drivers
parent293ffa8faa21bbc5e77d3f779d95c4146ee8f709 (diff)
parent5d9955f8a978c1992a0f9966d22c43471214d43b (diff)
Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: V4L/DVB: uvc: Fix multiple symbols definitions with UVC gadget and host drivers V4L/DVB: v4l: mem2mem_testdev: fix g_fmt NULL pointer dereference V4L/DVB: uvcvideo: Power line frequency control doesn't support GET_MIN/MAX/RES V4L/DVB: ivtv: Add delay to ensure the decoder always restarts with a blank screen V4L/DVB: Documentation: Add the Philips FQ1236 MK5 to video4linux/CARDLIST.tuner V4L/DVB: tveeprom: Add an entry for tuner code 168: a TCL M30WTP-4N-E tuner V4L/DVB: tuner: Add a definition for the Philips FQ1236 MK5 NTSC tuner V4L/DVB: OMAP_VOUT: fix: Module params were not working through bootargs V4L/DVB: OMAP_VOUT: fix: Replaced dma-sg with dma-contig V4L/DVB: OMAP_VOUT:Build FIX: Rebased against latest DSS2 changes
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/common/tuners/tuner-simple.c1
-rw-r--r--drivers/media/common/tuners/tuner-types.c16
-rw-r--r--drivers/media/video/ivtv/ivtv-streams.c3
-rw-r--r--drivers/media/video/mem2mem_testdev.c3
-rw-r--r--drivers/media/video/omap/Kconfig4
-rw-r--r--drivers/media/video/omap/Makefile4
-rw-r--r--drivers/media/video/omap/omap_vout.c81
-rw-r--r--drivers/media/video/tveeprom.c15
-rw-r--r--drivers/media/video/uvc/uvc_ctrl.c4
-rw-r--r--drivers/usb/gadget/f_uvc.c4
-rw-r--r--drivers/usb/gadget/uvc.h10
-rw-r--r--drivers/usb/gadget/uvc_queue.c153
-rw-r--r--drivers/usb/gadget/uvc_queue.h20
-rw-r--r--drivers/usb/gadget/uvc_v4l2.c2
-rw-r--r--drivers/usb/gadget/uvc_video.c6
-rw-r--r--drivers/usb/gadget/webcam.c4
16 files changed, 167 insertions, 163 deletions
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c
index 8abbcc5fcf9..8cf2ab609d5 100644
--- a/drivers/media/common/tuners/tuner-simple.c
+++ b/drivers/media/common/tuners/tuner-simple.c
@@ -524,6 +524,7 @@ static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
buffer[3] = 0x39;
break;
case TUNER_PHILIPS_FQ1216LME_MK3:
+ case TUNER_PHILIPS_FQ1236_MK5:
tuner_err("This tuner doesn't have FM\n");
/* Set the low band for sanity, since it covers 88-108 MHz */
buffer[3] = 0x01;
diff --git a/drivers/media/common/tuners/tuner-types.c b/drivers/media/common/tuners/tuner-types.c
index d9aaaca620c..58a513bcd74 100644
--- a/drivers/media/common/tuners/tuner-types.c
+++ b/drivers/media/common/tuners/tuner-types.c
@@ -1353,6 +1353,17 @@ static struct tuner_params tuner_sony_btf_pxn01z_params[] = {
},
};
+/* ------------ TUNER_PHILIPS_FQ1236_MK5 - Philips NTSC ------------ */
+
+static struct tuner_params tuner_philips_fq1236_mk5_params[] = {
+ {
+ .type = TUNER_PARAM_TYPE_NTSC,
+ .ranges = tuner_fm1236_mk3_ntsc_ranges,
+ .count = ARRAY_SIZE(tuner_fm1236_mk3_ntsc_ranges),
+ .has_tda9887 = 1, /* TDA9885, no FM radio */
+ },
+};
+
/* --------------------------------------------------------------------- */
struct tunertype tuners[] = {
@@ -1826,6 +1837,11 @@ struct tunertype tuners[] = {
.params = tuner_sony_btf_pxn01z_params,
.count = ARRAY_SIZE(tuner_sony_btf_pxn01z_params),
},
+ [TUNER_PHILIPS_FQ1236_MK5] = { /* NTSC, TDA9885, no FM radio */
+ .name = "Philips FQ1236 MK5",
+ .params = tuner_philips_fq1236_mk5_params,
+ .count = ARRAY_SIZE(tuner_philips_fq1236_mk5_params),
+ },
};
EXPORT_SYMBOL(tuners);
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 9ecacab4b89..a937e2ff9b6 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -912,6 +912,9 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
ivtv_flush_queues(s);
+ /* decoder needs time to settle */
+ ivtv_msleep_timeout(40, 0);
+
/* decrement decoding */
atomic_dec(&itv->decoding);
diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index 554eaf14012..10ddeccc70e 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -988,6 +988,9 @@ static int m2mtest_probe(struct platform_device *pdev)
goto err_m2m;
}
+ q_data[V4L2_M2M_SRC].fmt = &formats[0];
+ q_data[V4L2_M2M_DST].fmt = &formats[0];
+
return 0;
err_m2m:
diff --git a/drivers/media/video/omap/Kconfig b/drivers/media/video/omap/Kconfig
index 97c53949ca8..e63233fd2aa 100644
--- a/drivers/media/video/omap/Kconfig
+++ b/drivers/media/video/omap/Kconfig
@@ -1,8 +1,8 @@
config VIDEO_OMAP2_VOUT
tristate "OMAP2/OMAP3 V4L2-Display driver"
- depends on ARCH_OMAP24XX || ARCH_OMAP34XX
+ depends on ARCH_OMAP2 || ARCH_OMAP3
select VIDEOBUF_GEN
- select VIDEOBUF_DMA_SG
+ select VIDEOBUF_DMA_CONTIG
select OMAP2_DSS
select OMAP2_VRAM
select OMAP2_VRFB
diff --git a/drivers/media/video/omap/Makefile b/drivers/media/video/omap/Makefile
index b8bab00ad01..b28788070ae 100644
--- a/drivers/media/video/omap/Makefile
+++ b/drivers/media/video/omap/Makefile
@@ -3,5 +3,5 @@
#
# OMAP2/3 Display driver
-omap-vout-mod-objs := omap_vout.o omap_voutlib.o
-obj-$(CONFIG_VIDEO_OMAP2_VOUT) += omap-vout-mod.o
+omap-vout-y := omap_vout.o omap_voutlib.o
+obj-$(CONFIG_VIDEO_OMAP2_VOUT) += omap-vout.o
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index e7db0554949..929073e792c 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -38,8 +38,9 @@
#include <linux/dma-mapping.h>
#include <linux/irq.h>
#include <linux/videodev2.h>
+#include <linux/slab.h>
-#include <media/videobuf-dma-sg.h>
+#include <media/videobuf-dma-contig.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
@@ -1053,9 +1054,9 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb,
enum v4l2_field field)
{
+ dma_addr_t dmabuf;
struct vid_vrfb_dma *tx;
enum dss_rotation rotation;
- struct videobuf_dmabuf *dmabuf = NULL;
struct omap_vout_device *vout = q->priv_data;
u32 dest_frame_index = 0, src_element_index = 0;
u32 dest_element_index = 0, src_frame_index = 0;
@@ -1074,24 +1075,17 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
if (V4L2_MEMORY_USERPTR == vb->memory) {
if (0 == vb->baddr)
return -EINVAL;
- /* Virtual address */
- /* priv points to struct videobuf_pci_sg_memory. But we went
- * pointer to videobuf_dmabuf, which is member of
- * videobuf_pci_sg_memory */
- dmabuf = videobuf_to_dma(q->bufs[vb->i]);
- dmabuf->vmalloc = (void *) vb->baddr;
-
/* Physical address */
- dmabuf->bus_addr =
- (dma_addr_t) omap_vout_uservirt_to_phys(vb->baddr);
+ vout->queued_buf_addr[vb->i] = (u8 *)
+ omap_vout_uservirt_to_phys(vb->baddr);
+ } else {
+ vout->queued_buf_addr[vb->i] = (u8 *)vout->buf_phy_addr[vb->i];
}
- if (!rotation_enabled(vout)) {
- dmabuf = videobuf_to_dma(q->bufs[vb->i]);
- vout->queued_buf_addr[vb->i] = (u8 *) dmabuf->bus_addr;
+ if (!rotation_enabled(vout))
return 0;
- }
- dmabuf = videobuf_to_dma(q->bufs[vb->i]);
+
+ dmabuf = vout->buf_phy_addr[vb->i];
/* If rotation is enabled, copy input buffer into VRFB
* memory space using DMA. We are copying input buffer
* into VRFB memory space of desired angle and DSS will
@@ -1120,7 +1114,7 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
tx->dev_id, 0x0);
/* src_port required only for OMAP1 */
omap_set_dma_src_params(tx->dma_ch, 0, OMAP_DMA_AMODE_POST_INC,
- dmabuf->bus_addr, src_element_index, src_frame_index);
+ dmabuf, src_element_index, src_frame_index);
/*set dma source burst mode for VRFB */
omap_set_dma_src_burst_mode(tx->dma_ch, OMAP_DMA_DATA_BURST_16);
rotation = calc_rotation(vout);
@@ -1211,7 +1205,6 @@ static int omap_vout_mmap(struct file *file, struct vm_area_struct *vma)
void *pos;
unsigned long start = vma->vm_start;
unsigned long size = (vma->vm_end - vma->vm_start);
- struct videobuf_dmabuf *dmabuf = NULL;
struct omap_vout_device *vout = file->private_data;
struct videobuf_queue *q = &vout->vbq;
@@ -1241,8 +1234,7 @@ static int omap_vout_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
vma->vm_ops = &omap_vout_vm_ops;
vma->vm_private_data = (void *) vout;
- dmabuf = videobuf_to_dma(q->bufs[i]);
- pos = dmabuf->vmalloc;
+ pos = (void *)vout->buf_virt_addr[i];
vma->vm_pgoff = virt_to_phys((void *)pos) >> PAGE_SHIFT;
while (size > 0) {
unsigned long pfn;
@@ -1347,8 +1339,8 @@ static int omap_vout_open(struct file *file)
video_vbq_ops.buf_queue = omap_vout_buffer_queue;
spin_lock_init(&vout->vbq_lock);
- videobuf_queue_sg_init(q, &video_vbq_ops, NULL, &vout->vbq_lock,
- vout->type, V4L2_FIELD_NONE,
+ videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev,
+ &vout->vbq_lock, vout->type, V4L2_FIELD_NONE,
sizeof(struct videobuf_buffer), vout);
v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Exiting %s\n", __func__);
@@ -1799,7 +1791,6 @@ static int vidioc_reqbufs(struct file *file, void *fh,
unsigned int i, num_buffers = 0;
struct omap_vout_device *vout = fh;
struct videobuf_queue *q = &vout->vbq;
- struct videobuf_dmabuf *dmabuf = NULL;
if ((req->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) || (req->count < 0))
return -EINVAL;
@@ -1825,8 +1816,7 @@ static int vidioc_reqbufs(struct file *file, void *fh,
num_buffers = (vout->vid == OMAP_VIDEO1) ?
video1_numbuffers : video2_numbuffers;
for (i = num_buffers; i < vout->buffer_allocated; i++) {
- dmabuf = videobuf_to_dma(q->bufs[i]);
- omap_vout_free_buffer((u32)dmabuf->vmalloc,
+ omap_vout_free_buffer(vout->buf_virt_addr[i],
vout->buffer_size);
vout->buf_virt_addr[i] = 0;
vout->buf_phy_addr[i] = 0;
@@ -1855,12 +1845,7 @@ static int vidioc_reqbufs(struct file *file, void *fh,
goto reqbuf_err;
vout->buffer_allocated = req->count;
- for (i = 0; i < req->count; i++) {
- dmabuf = videobuf_to_dma(q->bufs[i]);
- dmabuf->vmalloc = (void *) vout->buf_virt_addr[i];
- dmabuf->bus_addr = (dma_addr_t) vout->buf_phy_addr[i];
- dmabuf->sglen = 1;
- }
+
reqbuf_err:
mutex_unlock(&vout->lock);
return ret;
@@ -2488,7 +2473,7 @@ static int omap_vout_remove(struct platform_device *pdev)
for (k = 0; k < vid_dev->num_displays; k++) {
if (vid_dev->displays[k]->state != OMAP_DSS_DISPLAY_DISABLED)
- vid_dev->displays[k]->disable(vid_dev->displays[k]);
+ vid_dev->displays[k]->driver->disable(vid_dev->displays[k]);
omap_dss_put_device(vid_dev->displays[k]);
}
@@ -2545,7 +2530,9 @@ static int __init omap_vout_probe(struct platform_device *pdev)
def_display = NULL;
}
if (def_display) {
- ret = def_display->enable(def_display);
+ struct omap_dss_driver *dssdrv = def_display->driver;
+
+ ret = dssdrv->enable(def_display);
if (ret) {
/* Here we are not considering a error
* as display may be enabled by frame
@@ -2559,21 +2546,21 @@ static int __init omap_vout_probe(struct platform_device *pdev)
if (def_display->caps &
OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
#ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
- if (def_display->enable_te)
- def_display->enable_te(def_display, 1);
- if (def_display->set_update_mode)
- def_display->set_update_mode(def_display,
+ if (dssdrv->enable_te)
+ dssdrv->enable_te(def_display, 1);
+ if (dssdrv->set_update_mode)
+ dssdrv->set_update_mode(def_display,
OMAP_DSS_UPDATE_AUTO);
#else /* MANUAL_UPDATE */
- if (def_display->enable_te)
- def_display->enable_te(def_display, 0);
- if (def_display->set_update_mode)
- def_display->set_update_mode(def_display,
+ if (dssdrv->enable_te)
+ dssdrv->enable_te(def_display, 0);
+ if (dssdrv->set_update_mode)
+ dssdrv->set_update_mode(def_display,
OMAP_DSS_UPDATE_MANUAL);
#endif
} else {
- if (def_display->set_update_mode)
- def_display->set_update_mode(def_display,
+ if (dssdrv->set_update_mode)
+ dssdrv->set_update_mode(def_display,
OMAP_DSS_UPDATE_AUTO);
}
}
@@ -2592,8 +2579,8 @@ static int __init omap_vout_probe(struct platform_device *pdev)
for (i = 0; i < vid_dev->num_displays; i++) {
struct omap_dss_device *display = vid_dev->displays[i];
- if (display->update)
- display->update(display, 0, 0,
+ if (display->driver->update)
+ display->driver->update(display, 0, 0,
display->panel.timings.x_res,
display->panel.timings.y_res);
}
@@ -2608,8 +2595,8 @@ probe_err1:
if (ovl->manager && ovl->manager->device)
def_display = ovl->manager->device;
- if (def_display)
- def_display->disable(def_display);
+ if (def_display && def_display->driver)
+ def_display->driver->disable(def_display);
}
probe_err0:
kfree(vid_dev);
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
index 0a877497b93..07fabdd9b46 100644
--- a/drivers/media/video/tveeprom.c
+++ b/drivers/media/video/tveeprom.c
@@ -267,6 +267,21 @@ hauppauge_tuner[] =
{ TUNER_ABSENT, "Xceive XC4000"},
{ TUNER_ABSENT, "Dibcom 7070"},
{ TUNER_PHILIPS_TDA8290, "NXP 18271C2"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ /* 160-169 */
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_ABSENT, "unknown"},
+ { TUNER_PHILIPS_FQ1236_MK5, "TCL M30WTP-4N-E"},
+ { TUNER_ABSENT, "unknown"},
};
/* Use V4L2_IDENT_AMBIGUOUS for those audio 'chips' that are
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index aa0720af07a..27a79f087b1 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -122,8 +122,8 @@ static struct uvc_control_info uvc_ctrls[] = {
.selector = UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
.index = 10,
.size = 1,
- .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
- | UVC_CONTROL_RESTORE,
+ .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
+ | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
},
{
.entity = UVC_GUID_UVC_PROCESSING,
diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
index fc2611f8b32..dbe6db0184f 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -28,7 +28,7 @@
#include "uvc.h"
-unsigned int uvc_trace_param;
+unsigned int uvc_gadget_trace_param;
/* --------------------------------------------------------------------------
* Function descriptors
@@ -656,6 +656,6 @@ error:
return ret;
}
-module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR);
+module_param_named(trace, uvc_gadget_trace_param, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(trace, "Trace level bitmask");
diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h
index 0a705e63c93..e92454cddd7 100644
--- a/drivers/usb/gadget/uvc.h
+++ b/drivers/usb/gadget/uvc.h
@@ -107,11 +107,11 @@ struct uvc_streaming_control {
#define UVC_WARN_MINMAX 0
#define UVC_WARN_PROBE_DEF 1
-extern unsigned int uvc_trace_param;
+extern unsigned int uvc_gadget_trace_param;
#define uvc_trace(flag, msg...) \
do { \
- if (uvc_trace_param & flag) \
+ if (uvc_gadget_trace_param & flag) \
printk(KERN_DEBUG "uvcvideo: " msg); \
} while (0)
@@ -220,16 +220,10 @@ struct uvc_file_handle
#define to_uvc_file_handle(handle) \
container_of(handle, struct uvc_file_handle, vfh)
-extern struct v4l2_file_operations uvc_v4l2_fops;
-
/* ------------------------------------------------------------------------
* Functions
*/
-extern int uvc_video_enable(struct uvc_video *video, int enable);
-extern int uvc_video_init(struct uvc_video *video);
-extern int uvc_video_pump(struct uvc_video *video);
-
extern void uvc_endpoint_stream(struct uvc_device *dev);
extern void uvc_function_connect(struct uvc_device *uvc);
diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c
index 43891991bf2..f7395ac5dc1 100644
--- a/drivers/usb/gadget/uvc_queue.c
+++ b/drivers/usb/gadget/uvc_queue.c
@@ -78,7 +78,8 @@
*
*/
-void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
+static void
+uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
{
mutex_init(&queue->mutex);
spin_lock_init(&queue->irqlock);
@@ -88,6 +89,28 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
}
/*
+ * Free the video buffers.
+ *
+ * This function must be called with the queue lock held.
+ */
+static int uvc_free_buffers(struct uvc_video_queue *queue)
+{
+ unsigned int i;
+
+ for (i = 0; i < queue->count; ++i) {
+ if (queue->buffer[i].vma_use_count != 0)
+ return -EBUSY;
+ }
+
+ if (queue->count) {
+ vfree(queue->mem);
+ queue->count = 0;
+ }
+
+ return 0;
+}
+
+/*
* Allocate the video buffers.
*
* Pages are reserved to make sure they will not be swapped, as they will be
@@ -95,8 +118,9 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
*
* Buffers will be individually mapped, so they must all be page aligned.
*/
-int uvc_alloc_buffers(struct uvc_video_queue *queue, unsigned int nbuffers,
- unsigned int buflength)
+static int
+uvc_alloc_buffers(struct uvc_video_queue *queue, unsigned int nbuffers,
+ unsigned int buflength)
{
unsigned int bufsize = PAGE_ALIGN(buflength);
unsigned int i;
@@ -150,28 +174,6 @@ done:
return ret;
}
-/*
- * Free the video buffers.
- *
- * This function must be called with the queue lock held.
- */
-int uvc_free_buffers(struct uvc_video_queue *queue)
-{
- unsigned int i;
-
- for (i = 0; i < queue->count; ++i) {
- if (queue->buffer[i].vma_use_count != 0)
- return -EBUSY;
- }
-
- if (queue->count) {
- vfree(queue->mem);
- queue->count = 0;
- }
-
- return 0;
-}
-
static void __uvc_query_buffer(struct uvc_buffer *buf,
struct v4l2_buffer *v4l2_buf)
{
@@ -195,8 +197,8 @@ static void __uvc_query_buffer(struct uvc_buffer *buf,
}
}
-int uvc_query_buffer(struct uvc_video_queue *queue,
- struct v4l2_buffer *v4l2_buf)
+static int
+uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf)
{
int ret = 0;
@@ -217,8 +219,8 @@ done:
* Queue a video buffer. Attempting to queue a buffer that has already been
* queued will return -EINVAL.
*/
-int uvc_queue_buffer(struct uvc_video_queue *queue,
- struct v4l2_buffer *v4l2_buf)
+static int
+uvc_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf)
{
struct uvc_buffer *buf;
unsigned long flags;
@@ -298,8 +300,9 @@ static int uvc_queue_waiton(struct uvc_buffer *buf, int nonblocking)
* Dequeue a video buffer. If nonblocking is false, block until a buffer is
* available.
*/
-int uvc_dequeue_buffer(struct uvc_video_queue *queue,
- struct v4l2_buffer *v4l2_buf, int nonblocking)
+static int
+uvc_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf,
+ int nonblocking)
{
struct uvc_buffer *buf;
int ret = 0;
@@ -359,8 +362,9 @@ done:
* This function implements video queue polling and is intended to be used by
* the device poll handler.
*/
-unsigned int uvc_queue_poll(struct uvc_video_queue *queue, struct file *file,
- poll_table *wait)
+static unsigned int
+uvc_queue_poll(struct uvc_video_queue *queue, struct file *file,
+ poll_table *wait)
{
struct uvc_buffer *buf;
unsigned int mask = 0;
@@ -407,7 +411,8 @@ static struct vm_operations_struct uvc_vm_ops = {
* This function implements video buffer memory mapping and is intended to be
* used by the device mmap handler.
*/
-int uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)
+static int
+uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)
{
struct uvc_buffer *uninitialized_var(buffer);
struct page *page;
@@ -458,6 +463,42 @@ done:
}
/*
+ * 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.
+ */
+static 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;
+ wake_up(&buf->wait);
+ }
+ /* This must be protected by the irqlock spinlock to avoid race
+ * conditions between uvc_queue_buffer 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_DEV_DISCONNECTED
+ * state outside the queue code.
+ */
+ if (disconnect)
+ queue->flags |= UVC_QUEUE_DISCONNECTED;
+ spin_unlock_irqrestore(&queue->irqlock, flags);
+}
+
+/*
* Enable or disable the video buffers queue.
*
* The queue must be enabled before starting video acquisition and must be
@@ -474,7 +515,7 @@ done:
* 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)
+static int uvc_queue_enable(struct uvc_video_queue *queue, int enable)
{
unsigned int i;
int ret = 0;
@@ -503,44 +544,8 @@ done:
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;
- wake_up(&buf->wait);
- }
- /* This must be protected by the irqlock spinlock to avoid race
- * conditions between uvc_queue_buffer 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_DEV_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)
+static struct uvc_buffer *
+uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf)
{
struct uvc_buffer *nextbuf;
unsigned long flags;
@@ -568,7 +573,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
return nextbuf;
}
-struct uvc_buffer *uvc_queue_head(struct uvc_video_queue *queue)
+static struct uvc_buffer *uvc_queue_head(struct uvc_video_queue *queue)
{
struct uvc_buffer *buf = NULL;
diff --git a/drivers/usb/gadget/uvc_queue.h b/drivers/usb/gadget/uvc_queue.h
index 7f5a33fe7ae..1812a8ecc5d 100644
--- a/drivers/usb/gadget/uvc_queue.h
+++ b/drivers/usb/gadget/uvc_queue.h
@@ -58,30 +58,10 @@ struct uvc_video_queue {
struct list_head irqqueue;
};
-extern void uvc_queue_init(struct uvc_video_queue *queue,
- enum v4l2_buf_type type);
-extern int uvc_alloc_buffers(struct uvc_video_queue *queue,
- unsigned int nbuffers, unsigned int buflength);
-extern int uvc_free_buffers(struct uvc_video_queue *queue);
-extern int uvc_query_buffer(struct uvc_video_queue *queue,
- struct v4l2_buffer *v4l2_buf);
-extern int uvc_queue_buffer(struct uvc_video_queue *queue,
- struct v4l2_buffer *v4l2_buf);
-extern int uvc_dequeue_buffer(struct uvc_video_queue *queue,
- struct v4l2_buffer *v4l2_buf, int nonblocking);
-extern int uvc_queue_enable(struct uvc_video_queue *queue, int enable);
-extern void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect);
-extern struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
- struct uvc_buffer *buf);
-extern unsigned int uvc_queue_poll(struct uvc_video_queue *queue,
- struct file *file, poll_table *wait);
-extern int uvc_queue_mmap(struct uvc_video_queue *queue,
- struct vm_area_struct *vma);
static inline int uvc_queue_streaming(struct uvc_video_queue *queue)
{
return queue->flags & UVC_QUEUE_STREAMING;
}
-extern struct uvc_buffer *uvc_queue_head(struct uvc_video_queue *queue);
#endif /* __KERNEL__ */
diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index a7989f29837..2dcffdac86d 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -363,7 +363,7 @@ uvc_v4l2_poll(struct file *file, poll_table *wait)
return mask;
}
-struct v4l2_file_operations uvc_v4l2_fops = {
+static struct v4l2_file_operations uvc_v4l2_fops = {
.owner = THIS_MODULE,
.open = uvc_v4l2_open,
.release = uvc_v4l2_release,
diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c
index de8cbc46518..b08f35438d7 100644
--- a/drivers/usb/gadget/uvc_video.c
+++ b/drivers/usb/gadget/uvc_video.c
@@ -271,7 +271,7 @@ error:
* This function fills the available USB requests (listed in req_free) with
* video data from the queued buffers.
*/
-int
+static int
uvc_video_pump(struct uvc_video *video)
{
struct usb_request *req;
@@ -328,7 +328,7 @@ uvc_video_pump(struct uvc_video *video)
/*
* Enable or disable the video stream.
*/
-int
+static int
uvc_video_enable(struct uvc_video *video, int enable)
{
unsigned int i;
@@ -367,7 +367,7 @@ uvc_video_enable(struct uvc_video *video, int enable)
/*
* Initialize the UVC video stream.
*/
-int
+static int
uvc_video_init(struct uvc_video *video)
{
INIT_LIST_HEAD(&video->req_free);
diff --git a/drivers/usb/gadget/webcam.c b/drivers/usb/gadget/webcam.c
index 417fd688769..f5f3030cc41 100644
--- a/drivers/usb/gadget/webcam.c
+++ b/drivers/usb/gadget/webcam.c
@@ -28,10 +28,10 @@
#include "config.c"
#include "epautoconf.c"
-#include "f_uvc.c"
#include "uvc_queue.c"
-#include "uvc_v4l2.c"
#include "uvc_video.c"
+#include "uvc_v4l2.c"
+#include "f_uvc.c"
/* --------------------------------------------------------------------------
* Device descriptor