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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-23 21:12:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-23 21:12:49 -0700
commitdf462b3dbeeaae7141f1b63cbfcc1e1bae6a85fc (patch)
treebca52fce066159f136d75c69e79016422212cb1d /drivers/media/video/cx18
parent343800e7d20944aead238c2c6e3f7789f8b6587c (diff)
parentcf25220677b3f10468a74278130fe224f73632a6 (diff)
downloadblackbird-op-linux-df462b3dbeeaae7141f1b63cbfcc1e1bae6a85fc.tar.gz
blackbird-op-linux-df462b3dbeeaae7141f1b63cbfcc1e1bae6a85fc.zip
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (247 commits) [media] gspca - sunplus: Fix some warnings and simplify code [media] gspca: Fix some warnings tied to 'no debug' [media] gspca: Unset debug by default [media] gspca - cpia1: Remove a bad conditional compilation instruction [media] gspca - main: Remove USB traces [media] gspca - main: Version change to 2.13 [media] gspca - stk014 / t613: Accept the index 0 in querymenu [media] gspca - kinect: Remove __devinitdata [media] gspca - cpia1: Fix some warnings [media] video/Kconfig: Fix mis-classified devices [media] support for medion dvb stick 1660:1921 [media] tm6000: fix uninitialized field, change prink to dprintk [media] cx231xx: Add support for Iconbit U100 [media] saa7134 add new TV cards [media] Use a more consistent value for RC repeat period [media] cx18: Move spinlock and vb_type initialisation into stream_init [media] tm6000: remove tm6010 sif audio start and stop [media] tm6000: remove unused exports [media] tm6000: add pts logging [media] tm6000: change from ioctl to unlocked_ioctl ...
Diffstat (limited to 'drivers/media/video/cx18')
-rw-r--r--drivers/media/video/cx18/Kconfig4
-rw-r--r--drivers/media/video/cx18/cx18-cards.c18
-rw-r--r--drivers/media/video/cx18/cx18-cards.h2
-rw-r--r--drivers/media/video/cx18/cx18-driver.c27
-rw-r--r--drivers/media/video/cx18/cx18-driver.h25
-rw-r--r--drivers/media/video/cx18/cx18-fileops.c70
-rw-r--r--drivers/media/video/cx18/cx18-fileops.h2
-rw-r--r--drivers/media/video/cx18/cx18-ioctl.c144
-rw-r--r--drivers/media/video/cx18/cx18-mailbox.c58
-rw-r--r--drivers/media/video/cx18/cx18-streams.c177
-rw-r--r--drivers/media/video/cx18/cx18-version.h2
-rw-r--r--drivers/media/video/cx18/cx23418.h6
12 files changed, 517 insertions, 18 deletions
diff --git a/drivers/media/video/cx18/Kconfig b/drivers/media/video/cx18/Kconfig
index d9d2f6ad6ffb..53b3c7702573 100644
--- a/drivers/media/video/cx18/Kconfig
+++ b/drivers/media/video/cx18/Kconfig
@@ -2,6 +2,7 @@ config VIDEO_CX18
tristate "Conexant cx23418 MPEG encoder support"
depends on VIDEO_V4L2 && DVB_CORE && PCI && I2C && EXPERIMENTAL
select I2C_ALGOBIT
+ select VIDEOBUF_VMALLOC
depends on RC_CORE
select VIDEO_TUNER
select VIDEO_TVEEPROM
@@ -9,6 +10,9 @@ config VIDEO_CX18
select VIDEO_CS5345
select DVB_S5H1409 if !DVB_FE_CUSTOMISE
select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMISE
+ select DVB_S5H1411 if !DVB_FE_CUSTOMISE
+ select MEDIA_TUNER_TDA18271 if !MEDIA_TUNER_CUSTOMISE
+ select MEDIA_TUNER_TDA8290 if !MEDIA_TUNER_CUSTOMISE
---help---
This is a video4linux driver for Conexant cx23418 based
PCI combo video recorder devices.
diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c
index 68ad1963f421..c07c849b1aaf 100644
--- a/drivers/media/video/cx18/cx18-cards.c
+++ b/drivers/media/video/cx18/cx18-cards.c
@@ -39,6 +39,16 @@ static struct cx18_card_tuner_i2c cx18_i2c_std = {
.tv = { 0x61, 0x60, I2C_CLIENT_END },
};
+/*
+ * usual i2c tuner addresses to probe with additional demod address for
+ * an NXP TDA8295 at 0x42 (N.B. it can possibly be at 0x4b or 0x4c too).
+ */
+static struct cx18_card_tuner_i2c cx18_i2c_nxp = {
+ .radio = { I2C_CLIENT_END },
+ .demod = { 0x42, 0x43, I2C_CLIENT_END },
+ .tv = { 0x61, 0x60, I2C_CLIENT_END },
+};
+
/* Please add new PCI IDs to: http://pci-ids.ucw.cz/
This keeps the PCI ID database up to date. Note that the entries
must be added under vendor 0x4444 (Conexant) as subsystem IDs.
@@ -131,15 +141,15 @@ static const struct cx18_card cx18_card_hvr1600_s5h1411 = {
.tune_lane = 0,
.initial_emrs = 0,
},
- .gpio_init.initial_value = 0x3001,
- .gpio_init.direction = 0x3001,
+ .gpio_init.initial_value = 0x3801,
+ .gpio_init.direction = 0x3801,
.gpio_i2c_slave_reset = {
- .active_lo_mask = 0x3001,
+ .active_lo_mask = 0x3801,
.msecs_asserted = 10,
.msecs_recovery = 40,
.ir_reset_mask = 0x0001,
},
- .i2c = &cx18_i2c_std,
+ .i2c = &cx18_i2c_nxp,
};
static const struct cx18_card cx18_card_hvr1600_samsung = {
diff --git a/drivers/media/video/cx18/cx18-cards.h b/drivers/media/video/cx18/cx18-cards.h
index 3e750068f275..add7391ecaba 100644
--- a/drivers/media/video/cx18/cx18-cards.h
+++ b/drivers/media/video/cx18/cx18-cards.h
@@ -109,7 +109,7 @@ struct cx18_card_tuner {
struct cx18_card_tuner_i2c {
unsigned short radio[2];/* radio tuner i2c address to probe */
- unsigned short demod[2];/* demodulator i2c address to probe */
+ unsigned short demod[3];/* demodulator i2c address to probe */
unsigned short tv[4]; /* tv tuner i2c addresses to probe */
};
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 321c1b79794c..9e2f870f4258 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -423,7 +423,16 @@ static void cx18_process_eeprom(struct cx18 *cx)
return;
/* autodetect tuner standard */
- if (tv.tuner_formats & V4L2_STD_PAL) {
+#define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \
+ V4L2_STD_MN | \
+ V4L2_STD_PAL_I | \
+ V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \
+ V4L2_STD_DK)
+ if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL)
+ == TVEEPROM_TUNER_FORMAT_ALL) {
+ CX18_DEBUG_INFO("Worldwide tuner detected\n");
+ cx->std = V4L2_STD_ALL;
+ } else if (tv.tuner_formats & V4L2_STD_PAL) {
CX18_DEBUG_INFO("PAL tuner detected\n");
cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
} else if (tv.tuner_formats & V4L2_STD_NTSC) {
@@ -818,7 +827,7 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
- pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev);
+ cx->card_rev = pci_dev->revision;
pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
if (pci_latency < 64 && cx18_pci_latency) {
@@ -1001,7 +1010,15 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
if (cx->card->hw_all & CX18_HW_TVEEPROM) {
/* Based on the model number the cardtype may be changed.
The PCI IDs are not always reliable. */
+ const struct cx18_card *orig_card = cx->card;
cx18_process_eeprom(cx);
+
+ if (cx->card != orig_card) {
+ /* Changed the cardtype; re-reset the I2C chips */
+ cx18_gpio_init(cx);
+ cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
+ core, reset, (u32) CX18_GPIO_RESET_I2C);
+ }
}
if (cx->card->comment)
CX18_INFO("%s", cx->card->comment);
@@ -1087,6 +1104,8 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
/* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
are not. */
cx->tuner_std = cx->std;
+ if (cx->std == V4L2_STD_ALL)
+ cx->std = V4L2_STD_NTSC_M;
retval = cx18_streams_setup(cx);
if (retval) {
@@ -1133,6 +1152,7 @@ int cx18_init_on_first_open(struct cx18 *cx)
int fw_retry_count = 3;
struct v4l2_frequency vf;
struct cx18_open_id fh;
+ v4l2_std_id std;
fh.cx = cx;
@@ -1220,7 +1240,8 @@ int cx18_init_on_first_open(struct cx18 *cx)
/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
in one place. */
cx->std++; /* Force full standard initialization */
- cx18_s_std(NULL, &fh, &cx->tuner_std);
+ std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;
+ cx18_s_std(NULL, &fh, &std);
cx18_s_frequency(NULL, &fh, &vf);
return 0;
}
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index b86a740c68df..086427288de8 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -65,6 +65,10 @@
#include "dvb_net.h"
#include "dvbdev.h"
+/* Videobuf / YUV support */
+#include <media/videobuf-core.h>
+#include <media/videobuf-vmalloc.h>
+
#ifndef CONFIG_PCI
# error "This driver requires kernel PCI support."
#endif
@@ -403,6 +407,23 @@ struct cx18_stream {
struct cx18_queue q_idle; /* idle - not in rotation */
struct work_struct out_work_order;
+
+ /* Videobuf for YUV video */
+ u32 pixelformat;
+ struct list_head vb_capture; /* video capture queue */
+ spinlock_t vb_lock;
+ struct timer_list vb_timeout;
+
+ struct videobuf_queue vbuf_q;
+ spinlock_t vbuf_q_lock; /* Protect vbuf_q */
+ enum v4l2_buf_type vb_type;
+};
+
+struct cx18_videobuf_buffer {
+ /* Common video buffer sub-system struct */
+ struct videobuf_buffer vb;
+ v4l2_std_id tvnorm; /* selected tv norm */
+ u32 bytes_used;
};
struct cx18_open_id {
@@ -410,6 +431,10 @@ struct cx18_open_id {
u32 open_id;
int type;
struct cx18 *cx;
+
+ struct videobuf_queue vbuf_q;
+ spinlock_t s_lock; /* Protect vbuf_q */
+ enum v4l2_buf_type vb_type;
};
static inline struct cx18_open_id *fh2id(struct v4l2_fh *fh)
diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c
index e9802d99439b..07411f34885a 100644
--- a/drivers/media/video/cx18/cx18-fileops.c
+++ b/drivers/media/video/cx18/cx18-fileops.c
@@ -597,6 +597,13 @@ ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
mutex_unlock(&cx->serialize_lock);
if (rc)
return rc;
+
+ if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (id->type == CX18_ENC_STREAM_TYPE_YUV)) {
+ return videobuf_read_stream(&s->vbuf_q, buf, count, pos, 0,
+ filp->f_flags & O_NONBLOCK);
+ }
+
return cx18_read_pos(s, buf, count, pos, filp->f_flags & O_NONBLOCK);
}
@@ -622,6 +629,15 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait)
CX18_DEBUG_FILE("Encoder poll started capture\n");
}
+ if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (id->type == CX18_ENC_STREAM_TYPE_YUV)) {
+ int videobuf_poll = videobuf_poll_stream(filp, &s->vbuf_q, wait);
+ if (eof && videobuf_poll == POLLERR)
+ return POLLHUP;
+ else
+ return videobuf_poll;
+ }
+
/* add stream's waitq to the poll list */
CX18_DEBUG_HI_FILE("Encoder poll\n");
poll_wait(filp, &s->waitq, wait);
@@ -633,6 +649,58 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait)
return 0;
}
+int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+ int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags);
+
+ if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (id->type == CX18_ENC_STREAM_TYPE_YUV)) {
+
+ /* Start a capture if there is none */
+ if (!eof && !test_bit(CX18_F_S_STREAMING, &s->s_flags)) {
+ int rc;
+
+ mutex_lock(&cx->serialize_lock);
+ rc = cx18_start_capture(id);
+ mutex_unlock(&cx->serialize_lock);
+ if (rc) {
+ CX18_DEBUG_INFO(
+ "Could not start capture for %s (%d)\n",
+ s->name, rc);
+ return -EINVAL;
+ }
+ CX18_DEBUG_FILE("Encoder mmap started capture\n");
+ }
+
+ return videobuf_mmap_mapper(&s->vbuf_q, vma);
+ }
+
+ return -EINVAL;
+}
+
+void cx18_vb_timeout(unsigned long data)
+{
+ struct cx18_stream *s = (struct cx18_stream *)data;
+ struct cx18_videobuf_buffer *buf;
+ unsigned long flags;
+
+ /* Return all of the buffers in error state, so the vbi/vid inode
+ * can return from blocking.
+ */
+ spin_lock_irqsave(&s->vb_lock, flags);
+ while (!list_empty(&s->vb_capture)) {
+ buf = list_entry(s->vb_capture.next,
+ struct cx18_videobuf_buffer, vb.queue);
+ list_del(&buf->vb.queue);
+ buf->vb.state = VIDEOBUF_ERROR;
+ wake_up(&buf->vb.done);
+ }
+ spin_unlock_irqrestore(&s->vb_lock, flags);
+}
+
void cx18_stop_capture(struct cx18_open_id *id, int gop_end)
{
struct cx18 *cx = id->cx;
@@ -716,6 +784,8 @@ int cx18_v4l2_close(struct file *filp)
cx18_release_stream(s);
} else {
cx18_stop_capture(id, 0);
+ if (id->type == CX18_ENC_STREAM_TYPE_YUV)
+ videobuf_mmap_free(&id->vbuf_q);
}
kfree(id);
mutex_unlock(&cx->serialize_lock);
diff --git a/drivers/media/video/cx18/cx18-fileops.h b/drivers/media/video/cx18/cx18-fileops.h
index 5c8fcb884f0a..b9e5110ad043 100644
--- a/drivers/media/video/cx18/cx18-fileops.h
+++ b/drivers/media/video/cx18/cx18-fileops.h
@@ -33,6 +33,8 @@ int cx18_start_capture(struct cx18_open_id *id);
void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
void cx18_mute(struct cx18 *cx);
void cx18_unmute(struct cx18 *cx);
+int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma);
+void cx18_vb_timeout(unsigned long data);
/* Shared with cx18-alsa module */
int cx18_claim_stream(struct cx18_open_id *id, int type);
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c
index 4f041c033c54..1933d4d11bf2 100644
--- a/drivers/media/video/cx18/cx18-ioctl.c
+++ b/drivers/media/video/cx18/cx18-ioctl.c
@@ -150,6 +150,7 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
{
struct cx18_open_id *id = fh2id(fh);
struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
pixfmt->width = cx->cxhdl.width;
@@ -158,9 +159,13 @@ static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
pixfmt->field = V4L2_FIELD_INTERLACED;
pixfmt->priv = 0;
if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
- pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
- /* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
- pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
+ pixfmt->pixelformat = s->pixelformat;
+ /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2)))
+ UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */
+ if (s->pixelformat == V4L2_PIX_FMT_HM12)
+ pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
+ else
+ pixfmt->sizeimage = pixfmt->height * 720 * 2;
pixfmt->bytesperline = 720;
} else {
pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
@@ -237,7 +242,6 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
h = min(h, cx->is_50hz ? 576 : 480);
h = max(h, min_h);
- cx18_g_fmt_vid_cap(file, fh, fmt);
fmt->fmt.pix.width = w;
fmt->fmt.pix.height = h;
return 0;
@@ -274,6 +278,7 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
struct cx18_open_id *id = fh2id(fh);
struct cx18 *cx = id->cx;
struct v4l2_mbus_framefmt mbus_fmt;
+ struct cx18_stream *s = &cx->streams[id->type];
int ret;
int w, h;
@@ -283,12 +288,15 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
w = fmt->fmt.pix.width;
h = fmt->fmt.pix.height;
- if (cx->cxhdl.width == w && cx->cxhdl.height == h)
+ if (cx->cxhdl.width == w && cx->cxhdl.height == h &&
+ s->pixelformat == fmt->fmt.pix.pixelformat)
return 0;
if (atomic_read(&cx->ana_capturing) > 0)
return -EBUSY;
+ s->pixelformat = fmt->fmt.pix.pixelformat;
+
mbus_fmt.width = cx->cxhdl.width = w;
mbus_fmt.height = cx->cxhdl.height = h;
mbus_fmt.code = V4L2_MBUS_FMT_FIXED;
@@ -540,16 +548,19 @@ static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
struct v4l2_fmtdesc *fmt)
{
- static struct v4l2_fmtdesc formats[] = {
+ static const struct v4l2_fmtdesc formats[] = {
{ 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
"HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
},
{ 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
"MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
- }
+ },
+ { 2, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
+ "UYVY 4:2:2", V4L2_PIX_FMT_UYVY, { 0, 0, 0, 0 }
+ },
};
- if (fmt->index > 1)
+ if (fmt->index > ARRAY_SIZE(formats) - 1)
return -EINVAL;
*fmt = formats[fmt->index];
return 0;
@@ -863,6 +874,117 @@ static int cx18_g_enc_index(struct file *file, void *fh,
return 0;
}
+static struct videobuf_queue *cx18_vb_queue(struct cx18_open_id *id)
+{
+ struct videobuf_queue *q = NULL;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ switch (s->vb_type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ q = &s->vbuf_q;
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ break;
+ default:
+ break;
+ }
+ return q;
+}
+
+static int cx18_streamon(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ /* Start the hardware only if we're the video device */
+ if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+
+ if (id->type != CX18_ENC_STREAM_TYPE_YUV)
+ return -EINVAL;
+
+ /* Establish a buffer timeout */
+ mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies);
+
+ return videobuf_streamon(cx18_vb_queue(id));
+}
+
+static int cx18_streamoff(struct file *file, void *priv,
+ enum v4l2_buf_type type)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ /* Start the hardware only if we're the video device */
+ if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+
+ if (id->type != CX18_ENC_STREAM_TYPE_YUV)
+ return -EINVAL;
+
+ return videobuf_streamoff(cx18_vb_queue(id));
+}
+
+static int cx18_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *rb)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+
+ return videobuf_reqbufs(cx18_vb_queue(id), rb);
+}
+
+static int cx18_querybuf(struct file *file, void *priv,
+ struct v4l2_buffer *b)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+
+ return videobuf_querybuf(cx18_vb_queue(id), b);
+}
+
+static int cx18_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+
+ return videobuf_qbuf(cx18_vb_queue(id), b);
+}
+
+static int cx18_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
+{
+ struct cx18_open_id *id = file->private_data;
+ struct cx18 *cx = id->cx;
+ struct cx18_stream *s = &cx->streams[id->type];
+
+ if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE))
+ return -EINVAL;
+
+ return videobuf_dqbuf(cx18_vb_queue(id), b, file->f_flags & O_NONBLOCK);
+}
+
static int cx18_encoder_cmd(struct file *file, void *fh,
struct v4l2_encoder_cmd *enc)
{
@@ -1081,6 +1203,12 @@ static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
.vidioc_s_register = cx18_s_register,
#endif
.vidioc_default = cx18_default,
+ .vidioc_streamon = cx18_streamon,
+ .vidioc_streamoff = cx18_streamoff,
+ .vidioc_reqbufs = cx18_reqbufs,
+ .vidioc_querybuf = cx18_querybuf,
+ .vidioc_qbuf = cx18_qbuf,
+ .vidioc_dqbuf = cx18_dqbuf,
};
void cx18_set_funcs(struct video_device *vdev)
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c
index 9605d54bd083..c07191e09fcb 100644
--- a/drivers/media/video/cx18/cx18-mailbox.c
+++ b/drivers/media/video/cx18/cx18-mailbox.c
@@ -81,6 +81,7 @@ static const struct cx18_api_info api_info[] = {
API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM, 0),
API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER, 0),
API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS, 0),
+ API_ENTRY(CPU, CX18_CPU_SET_VFC_PARAM, 0),
API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0),
API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST),
API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, API_SLOW),
@@ -158,6 +159,60 @@ static void cx18_mdl_send_to_dvb(struct cx18_stream *s, struct cx18_mdl *mdl)
}
}
+static void cx18_mdl_send_to_videobuf(struct cx18_stream *s,
+ struct cx18_mdl *mdl)
+{
+ struct cx18_videobuf_buffer *vb_buf;
+ struct cx18_buffer *buf;
+ u8 *p;
+ u32 offset = 0;
+ int dispatch = 0;
+
+ if (mdl->bytesused == 0)
+ return;
+
+ /* Acquire a videobuf buffer, clone to and and release it */
+ spin_lock(&s->vb_lock);
+ if (list_empty(&s->vb_capture))
+ goto out;
+
+ vb_buf = list_first_entry(&s->vb_capture, struct cx18_videobuf_buffer,
+ vb.queue);
+
+ p = videobuf_to_vmalloc(&vb_buf->vb);
+ if (!p)
+ goto out;
+
+ offset = vb_buf->bytes_used;
+ list_for_each_entry(buf, &mdl->buf_list, list) {
+ if (buf->bytesused == 0)
+ break;
+
+ if ((offset + buf->bytesused) <= vb_buf->vb.bsize) {
+ memcpy(p + offset, buf->buf, buf->bytesused);
+ offset += buf->bytesused;
+ vb_buf->bytes_used += buf->bytesused;
+ }
+ }
+
+ /* If we've filled the buffer as per the callers res then dispatch it */
+ if (vb_buf->bytes_used >= (vb_buf->vb.width * vb_buf->vb.height * 2)) {
+ dispatch = 1;
+ vb_buf->bytes_used = 0;
+ }
+
+ if (dispatch) {
+ vb_buf->vb.ts = ktime_to_timeval(ktime_get());
+ list_del(&vb_buf->vb.queue);
+ vb_buf->vb.state = VIDEOBUF_DONE;
+ wake_up(&vb_buf->vb.done);
+ }
+
+ mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies);
+
+out:
+ spin_unlock(&s->vb_lock);
+}
static void cx18_mdl_send_to_alsa(struct cx18 *cx, struct cx18_stream *s,
struct cx18_mdl *mdl)
@@ -263,6 +318,9 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order)
} else {
cx18_enqueue(s, mdl, &s->q_full);
}
+ } else if (s->type == CX18_ENC_STREAM_TYPE_YUV) {
+ cx18_mdl_send_to_videobuf(s, mdl);
+ cx18_enqueue(s, mdl, &s->q_free);
} else {
cx18_enqueue(s, mdl, &s->q_full);
if (s->type == CX18_ENC_STREAM_TYPE_IDX)
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index 6fbc356113c1..852f420fd271 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -44,6 +44,7 @@ static struct v4l2_file_operations cx18_v4l2_enc_fops = {
.unlocked_ioctl = cx18_v4l2_ioctl,
.release = cx18_v4l2_close,
.poll = cx18_v4l2_enc_poll,
+ .mmap = cx18_v4l2_mmap,
};
/* offset from 0 to register ts v4l2 minors on */
@@ -97,6 +98,141 @@ static struct {
},
};
+
+void cx18_dma_free(struct videobuf_queue *q,
+ struct cx18_stream *s, struct cx18_videobuf_buffer *buf)
+{
+ videobuf_waiton(q, &buf->vb, 0, 0);
+ videobuf_vmalloc_free(&buf->vb);
+ buf->vb.state = VIDEOBUF_NEEDS_INIT;
+}
+
+static int cx18_prepare_buffer(struct videobuf_queue *q,
+ struct cx18_stream *s,
+ struct cx18_videobuf_buffer *buf,
+ u32 pixelformat,
+ unsigned int width, unsigned int height,
+ enum v4l2_field field)
+{
+ struct cx18 *cx = s->cx;
+ int rc = 0;
+
+ /* check settings */
+ buf->bytes_used = 0;
+
+ if ((width < 48) || (height < 32))
+ return -EINVAL;
+
+ buf->vb.size = (width * height * 2);
+ if ((buf->vb.baddr != 0) && (buf->vb.bsize < buf->vb.size))
+ return -EINVAL;
+
+ /* alloc + fill struct (if changed) */
+ if (buf->vb.width != width || buf->vb.height != height ||
+ buf->vb.field != field || s->pixelformat != pixelformat ||
+ buf->tvnorm != cx->std) {
+
+ buf->vb.width = width;
+ buf->vb.height = height;
+ buf->vb.field = field;
+ buf->tvnorm = cx->std;
+ s->pixelformat = pixelformat;
+
+ cx18_dma_free(q, s, buf);
+ }
+
+ if ((buf->vb.baddr != 0) && (buf->vb.bsize < buf->vb.size))
+ return -EINVAL;
+
+ if (buf->vb.field == 0)
+ buf->vb.field = V4L2_FIELD_INTERLACED;
+
+ if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
+ buf->vb.width = width;
+ buf->vb.height = height;
+ buf->vb.field = field;
+ buf->tvnorm = cx->std;
+ s->pixelformat = pixelformat;
+
+ rc = videobuf_iolock(q, &buf->vb, NULL);
+ if (rc != 0)
+ goto fail;
+ }
+ buf->vb.state = VIDEOBUF_PREPARED;
+ return 0;
+
+fail:
+ cx18_dma_free(q, s, buf);
+ return rc;
+
+}
+
+/* VB_MIN_BUFSIZE is lcm(1440 * 480, 1440 * 576)
+ 1440 is a single line of 4:2:2 YUV at 720 luma samples wide
+*/
+#define VB_MIN_BUFFERS 32
+#define VB_MIN_BUFSIZE 4147200
+
+static int buffer_setup(struct videobuf_queue *q,
+ unsigned int *count, unsigned int *size)
+{
+ struct cx18_stream *s = q->priv_data;
+ struct cx18 *cx = s->cx;
+
+ *size = 2 * cx->cxhdl.width * cx->cxhdl.height;
+ if (*count == 0)
+ *count = VB_MIN_BUFFERS;
+
+ while (*size * *count > VB_MIN_BUFFERS * VB_MIN_BUFSIZE)
+ (*count)--;
+
+ q->field = V4L2_FIELD_INTERLACED;
+ q->last = V4L2_FIELD_INTERLACED;
+
+ return 0;
+}
+
+static int buffer_prepare(struct videobuf_queue *q,
+ struct videobuf_buffer *vb,
+ enum v4l2_field field)
+{
+ struct cx18_videobuf_buffer *buf =
+ container_of(vb, struct cx18_videobuf_buffer, vb);
+ struct cx18_stream *s = q->priv_data;
+ struct cx18 *cx = s->cx;
+
+ return cx18_prepare_buffer(q, s, buf, s->pixelformat,
+ cx->cxhdl.width, cx->cxhdl.height, field);
+}
+
+static void buffer_release(struct videobuf_queue *q,
+ struct videobuf_buffer *vb)
+{
+ struct cx18_videobuf_buffer *buf =
+ container_of(vb, struct cx18_videobuf_buffer, vb);
+ struct cx18_stream *s = q->priv_data;
+
+ cx18_dma_free(q, s, buf);
+}
+
+static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
+{
+ struct cx18_videobuf_buffer *buf =
+ container_of(vb, struct cx18_videobuf_buffer, vb);
+ struct cx18_stream *s = q->priv_data;
+
+ buf->vb.state = VIDEOBUF_QUEUED;
+
+ list_add_tail(&buf->vb.queue, &s->vb_capture);
+}
+
+static struct videobuf_queue_ops cx18_videobuf_qops = {
+ .buf_setup = buffer_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_queue = buffer_queue,
+ .buf_release = buffer_release,
+};
+
static void cx18_stream_init(struct cx18 *cx, int type)
{
struct cx18_stream *s = &cx->streams[type];
@@ -132,6 +268,26 @@ static void cx18_stream_init(struct cx18 *cx, int type)
cx18_queue_init(&s->q_idle);
INIT_WORK(&s->out_work_order, cx18_out_work_handler);
+
+ INIT_LIST_HEAD(&s->vb_capture);
+ s->vb_timeout.function = cx18_vb_timeout;
+ s->vb_timeout.data = (unsigned long)s;
+ init_timer(&s->vb_timeout);
+ spin_lock_init(&s->vb_lock);
+ if (type == CX18_ENC_STREAM_TYPE_YUV) {
+ spin_lock_init(&s->vbuf_q_lock);
+
+ s->vb_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ videobuf_queue_vmalloc_init(&s->vbuf_q, &cx18_videobuf_qops,
+ &cx->pci_dev->dev, &s->vbuf_q_lock,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ V4L2_FIELD_INTERLACED,
+ sizeof(struct cx18_videobuf_buffer),
+ s, &cx->serialize_lock);
+
+ /* Assume the previous pixel default */
+ s->pixelformat = V4L2_PIX_FMT_HM12;
+ }
}
static int cx18_prep_dev(struct cx18 *cx, int type)
@@ -372,6 +528,9 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister)
if (vdev == NULL)
continue;
+ if (type == CX18_ENC_STREAM_TYPE_YUV)
+ videobuf_mmap_free(&cx->streams[type].vbuf_q);
+
cx18_stream_free(&cx->streams[type]);
/* Unregister or release device */
@@ -581,7 +740,10 @@ static void cx18_stream_configure_mdls(struct cx18_stream *s)
* Set the MDL size to the exact size needed for one frame.
* Use enough buffers per MDL to cover the MDL size
*/
- s->mdl_size = 720 * s->cx->cxhdl.height * 3 / 2;
+ if (s->pixelformat == V4L2_PIX_FMT_HM12)
+ s->mdl_size = 720 * s->cx->cxhdl.height * 3 / 2;
+ else
+ s->mdl_size = 720 * s->cx->cxhdl.height * 2;
s->bufs_per_mdl = s->mdl_size / s->buf_size;
if (s->mdl_size % s->buf_size)
s->bufs_per_mdl++;
@@ -729,6 +891,19 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s)
test_bit(CX18_F_I_RADIO_USER, &cx->i_flags))
cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle,
(v4l2_ctrl_g_ctrl(cx->cxhdl.video_mute_yuv) << 8) | 1);
+
+ /* Enable the Video Format Converter for UYVY 4:2:2 support,
+ * rather than the default HM12 Macroblovk 4:2:0 support.
+ */
+ if (captype == CAPTURE_CHANNEL_TYPE_YUV) {
+ if (s->pixelformat == V4L2_PIX_FMT_UYVY)
+ cx18_vapi(cx, CX18_CPU_SET_VFC_PARAM, 2,
+ s->handle, 1);
+ else
+ /* If in doubt, default to HM12 */
+ cx18_vapi(cx, CX18_CPU_SET_VFC_PARAM, 2,
+ s->handle, 0);
+ }
}
if (atomic_read(&cx->tot_capturing) == 0) {
diff --git a/drivers/media/video/cx18/cx18-version.h b/drivers/media/video/cx18/cx18-version.h
index 3e1aec4bcfde..cd189b6bbe20 100644
--- a/drivers/media/video/cx18/cx18-version.h
+++ b/drivers/media/video/cx18/cx18-version.h
@@ -24,7 +24,7 @@
#define CX18_DRIVER_NAME "cx18"
#define CX18_DRIVER_VERSION_MAJOR 1
-#define CX18_DRIVER_VERSION_MINOR 4
+#define CX18_DRIVER_VERSION_MINOR 5
#define CX18_DRIVER_VERSION_PATCHLEVEL 0
#define CX18_VERSION __stringify(CX18_DRIVER_VERSION_MAJOR) "." __stringify(CX18_DRIVER_VERSION_MINOR) "." __stringify(CX18_DRIVER_VERSION_PATCHLEVEL)
diff --git a/drivers/media/video/cx18/cx23418.h b/drivers/media/video/cx18/cx23418.h
index 935f557acbd0..767a8d23e3f2 100644
--- a/drivers/media/video/cx18/cx23418.h
+++ b/drivers/media/video/cx18/cx23418.h
@@ -342,6 +342,12 @@
ReturnCode */
#define CX18_CPU_GET_ENC_PTS (CPU_CMD_MASK_CAPTURE | 0x0022)
+/* Description: Set VFC parameters
+ IN[0] - task handle
+ IN[1] - VFC enable flag, 1 - enable, 0 - disable
+*/
+#define CX18_CPU_SET_VFC_PARAM (CPU_CMD_MASK_CAPTURE | 0x0023)
+
/* Below is the list of commands related to the data exchange */
#define CPU_CMD_MASK_DE (CPU_CMD_MASK | 0x040000)
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