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Diffstat (limited to 'linux/drivers/media/video/em28xx')
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-cards.c6
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-core.c21
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-reg.h1
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-video.c111
-rw-r--r--linux/drivers/media/video/em28xx/em28xx.h10
5 files changed, 111 insertions, 38 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-cards.c b/linux/drivers/media/video/em28xx/em28xx-cards.c
index 23d3820a2..c14fca841 100644
--- a/linux/drivers/media/video/em28xx/em28xx-cards.c
+++ b/linux/drivers/media/video/em28xx/em28xx-cards.c
@@ -1311,7 +1311,7 @@ struct usb_device_id em28xx_id_table [] = {
{ USB_DEVICE(0xeb1a, 0x2820),
.driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2821),
- .driver_info = EM2820_BOARD_PROLINK_PLAYTV_USB2 },
+ .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2860),
.driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2861),
@@ -1478,6 +1478,10 @@ void em28xx_pre_card_setup(struct em28xx *dev)
case CHIP_ID_EM2860:
em28xx_info("chip ID is em2860\n");
break;
+ case CHIP_ID_EM2870:
+ em28xx_info("chip ID is em2870\n");
+ dev->wait_after_write = 0;
+ break;
case CHIP_ID_EM2874:
em28xx_info("chip ID is em2874\n");
dev->reg_gpio_num = EM2874_R80_GPIO;
diff --git a/linux/drivers/media/video/em28xx/em28xx-core.c b/linux/drivers/media/video/em28xx/em28xx-core.c
index f62b05eae..025a54bb7 100644
--- a/linux/drivers/media/video/em28xx/em28xx-core.c
+++ b/linux/drivers/media/video/em28xx/em28xx-core.c
@@ -259,7 +259,7 @@ static int em28xx_is_ac97_ready(struct em28xx *dev)
* em28xx_read_ac97()
* write a 16 bit value to the specified AC97 address (LSB first!)
*/
-static int em28xx_read_ac97(struct em28xx *dev, u8 reg)
+int em28xx_read_ac97(struct em28xx *dev, u8 reg)
{
int ret;
u8 addr = (reg & 0x7f) | 0x80;
@@ -285,7 +285,7 @@ static int em28xx_read_ac97(struct em28xx *dev, u8 reg)
* em28xx_write_ac97()
* write a 16 bit value to the specified AC97 address (LSB first!)
*/
-static int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val)
+int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val)
{
int ret;
u8 addr = reg & 0x7f;
@@ -621,10 +621,19 @@ int em28xx_capture_start(struct em28xx *dev, int start)
return rc;
}
-int em28xx_outfmt_set_yuv422(struct em28xx *dev)
+int em28xx_set_outfmt(struct em28xx *dev)
{
- em28xx_write_reg(dev, EM28XX_R27_OUTFMT, 0x34);
- em28xx_write_reg(dev, EM28XX_R10_VINMODE, 0x10);
+ int ret;
+
+ ret = em28xx_write_reg_bits(dev, EM28XX_R27_OUTFMT,
+ dev->format->reg | 0x20, 0x3f);
+ if (ret < 0)
+ return ret;
+
+ ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, 0x10);
+ if (ret < 0)
+ return ret;
+
return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x11);
}
@@ -686,7 +695,7 @@ int em28xx_resolution_set(struct em28xx *dev)
width = norm_maxw(dev);
height = norm_maxh(dev) >> 1;
- em28xx_outfmt_set_yuv422(dev);
+ em28xx_set_outfmt(dev);
em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
em28xx_capture_area_set(dev, 0, 0, width >> 2, height >> 2);
return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
diff --git a/linux/drivers/media/video/em28xx/em28xx-reg.h b/linux/drivers/media/video/em28xx/em28xx-reg.h
index 45d588c3a..a459b7c6a 100644
--- a/linux/drivers/media/video/em28xx/em28xx-reg.h
+++ b/linux/drivers/media/video/em28xx/em28xx-reg.h
@@ -151,6 +151,7 @@ enum em28xx_chip_id {
CHIP_ID_EM2840 = 20,
CHIP_ID_EM2750 = 33,
CHIP_ID_EM2860 = 34,
+ CHIP_ID_EM2870 = 35,
CHIP_ID_EM2883 = 36,
CHIP_ID_EM2874 = 65,
};
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c
index acf6141aa..4d9b167e6 100644
--- a/linux/drivers/media/video/em28xx/em28xx-video.c
+++ b/linux/drivers/media/video/em28xx/em28xx-video.c
@@ -96,6 +96,16 @@ MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
/* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */
static unsigned long em28xx_devused;
+/* supported video standards */
+static struct em28xx_fmt format[] = {
+ {
+ .name = "16bpp YUY2, 4:2:2, packed",
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .depth = 16,
+ .reg = 0x14,
+ },
+};
+
/* supported controls */
/* Common to all boards */
static struct v4l2_queryctrl em28xx_qctrl[] = {
@@ -390,16 +400,18 @@ buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
struct em28xx *dev = fh->dev;
struct v4l2_frequency f;
- *size = 16 * fh->dev->width * fh->dev->height >> 3;
+ *size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3;
+
if (0 == *count)
*count = EM28XX_DEF_BUF;
if (*count < EM28XX_MIN_BUF)
*count = EM28XX_MIN_BUF;
- /* Ask tuner to go to analog mode */
+ /* Ask tuner to go to analog or radio mode */
memset(&f, 0, sizeof(f));
f.frequency = dev->ctl_freq;
+ f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
@@ -442,9 +454,7 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
struct em28xx *dev = fh->dev;
int rc = 0, urb_init = 0;
- /* FIXME: It assumes depth = 16 */
- /* The only currently supported format is 16 bits/pixel */
- buf->vb.size = 16 * dev->width * dev->height >> 3;
+ buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth + 7) >> 3;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
return -EINVAL;
@@ -541,7 +551,7 @@ static int em28xx_config(struct em28xx *dev)
dev->mute = 1; /* maybe not the right place... */
dev->volume = 0x1f;
- em28xx_outfmt_set_yuv422(dev);
+ em28xx_set_outfmt(dev);
em28xx_colorlevels_set_default(dev);
em28xx_compression_disable(dev);
@@ -555,10 +565,11 @@ static int em28xx_config(struct em28xx *dev)
static void em28xx_config_i2c(struct em28xx *dev)
{
struct v4l2_routing route;
+ int zero = 0;
route.input = INPUT(dev->ctl_input)->vmux;
route.output = 0;
- em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, NULL);
+ em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, &zero);
em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL);
}
@@ -708,8 +719,8 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
- f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
- f->fmt.pix.bytesperline = dev->width * 2;
+ f->fmt.pix.pixelformat = dev->format->fourcc;
+ f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
@@ -721,6 +732,17 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
return 0;
}
+static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(format); i++)
+ if (format[i].fourcc == fourcc)
+ return &format[i];
+
+ return NULL;
+}
+
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
@@ -731,6 +753,14 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
unsigned int hscale, vscale;
+ struct em28xx_fmt *fmt;
+
+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ if (!fmt) {
+ em28xx_videodbg("Fourcc format (%08x) invalid.\n",
+ f->fmt.pix.pixelformat);
+ return -EINVAL;
+ }
/* width must even because of the YUYV format
height must be even because of interlacing */
@@ -769,9 +799,9 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.width = width;
f->fmt.pix.height = height;
- f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
- f->fmt.pix.bytesperline = width * 2;
- f->fmt.pix.sizeimage = width * 2 * height;
+ f->fmt.pix.pixelformat = fmt->fourcc;
+ f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
@@ -784,6 +814,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
int rc;
+ struct em28xx_fmt *fmt;
rc = check_dev(dev);
if (rc < 0)
@@ -793,6 +824,12 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
vidioc_try_fmt_vid_cap(file, priv, f);
+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ if (!fmt) {
+ rc = -EINVAL;
+ goto out;
+ }
+
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
em28xx_errdev("%s queue busy\n", __func__);
rc = -EBUSY;
@@ -808,6 +845,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
/* set new image size */
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
+ dev->format = fmt;
get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
em28xx_set_alternate(dev);
@@ -1031,18 +1069,14 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
rc = check_dev(dev);
if (rc < 0)
return rc;
+ rc = 0;
mutex_lock(&dev->lock);
- if (!dev->board.has_msp34xx)
- rc = em28xx_get_ctrl(dev, ctrl);
- else
- rc = -EINVAL;
-
- if (rc == -EINVAL) {
+ if (dev->board.has_msp34xx)
em28xx_i2c_call_clients(dev, VIDIOC_G_CTRL, ctrl);
- rc = 0;
- }
+ else
+ rc = em28xx_get_ctrl(dev, ctrl);
mutex_unlock(&dev->lock);
return rc;
@@ -1199,6 +1233,17 @@ static int vidioc_g_register(struct file *file, void *priv,
struct em28xx *dev = fh->dev;
int ret;
+ if (reg->match_type == V4L2_CHIP_MATCH_AC97) {
+ mutex_lock(&dev->lock);
+ ret = em28xx_read_ac97(dev, reg->reg);
+ mutex_unlock(&dev->lock);
+ if (ret < 0)
+ return ret;
+
+ reg->val = ret;
+ return 0;
+ }
+
if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
return -EINVAL;
@@ -1234,6 +1279,14 @@ static int vidioc_s_register(struct file *file, void *priv,
__le64 buf;
int rc;
+ if (reg->match_type == V4L2_CHIP_MATCH_AC97) {
+ mutex_lock(&dev->lock);
+ rc = em28xx_write_ac97(dev, reg->reg, reg->val);
+ mutex_unlock(&dev->lock);
+
+ return rc;
+ }
+
buf = cpu_to_le64(reg->val);
mutex_lock(&dev->lock);
@@ -1281,10 +1334,8 @@ static int vidioc_streamon(struct file *file, void *priv,
mutex_lock(&dev->lock);
rc = res_get(fh);
- if (unlikely(rc < 0))
- return rc;
-
- rc = videobuf_streamon(&fh->vb_vidq);
+ if (likely(rc >= 0))
+ rc = videobuf_streamon(&fh->vb_vidq);
mutex_unlock(&dev->lock);
@@ -1345,15 +1396,13 @@ static int vidioc_querycap(struct file *file, void *priv,
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_fmtdesc *fmtd)
+ struct v4l2_fmtdesc *f)
{
- if (fmtd->index != 0)
+ if (unlikely(f->index >= ARRAY_SIZE(format)))
return -EINVAL;
- fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- strcpy(fmtd->description, "Packed YUY2");
- fmtd->pixelformat = V4L2_PIX_FMT_YUYV;
- memset(fmtd->reserved, 0, sizeof(fmtd->reserved));
+ strlcpy(f->description, format[f->index].name, sizeof(f->description));
+ f->pixelformat = format[f->index].fourcc;
return 0;
}
@@ -2142,6 +2191,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
dev->em28xx_write_regs_req = em28xx_write_regs_req;
dev->em28xx_read_reg_req = em28xx_read_reg_req;
dev->board.is_em2800 = em28xx_boards[dev->model].is_em2800;
+ dev->format = &format[0];
em28xx_pre_card_setup(dev);
@@ -2563,3 +2613,4 @@ static void __exit em28xx_module_exit(void)
module_init(em28xx_module_init);
module_exit(em28xx_module_exit);
+
diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h
index 4de9a8190..84f49934a 100644
--- a/linux/drivers/media/video/em28xx/em28xx.h
+++ b/linux/drivers/media/video/em28xx/em28xx.h
@@ -210,9 +210,12 @@ struct em28xx_usb_isoc_ctl {
};
+/* Struct to enumberate video formats */
struct em28xx_fmt {
char *name;
u32 fourcc; /* v4l2 format id */
+ int depth;
+ int reg;
};
/* buffer for one video frame */
@@ -439,6 +442,8 @@ struct em28xx {
unsigned int has_audio_class:1;
unsigned int has_alsa_audio:1;
+ struct em28xx_fmt *format;
+
struct em28xx_IR *ir;
/* Some older em28xx chips needs a waiting time after writing */
@@ -572,12 +577,15 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);
+int em28xx_read_ac97(struct em28xx *dev, u8 reg);
+int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);
+
int em28xx_audio_analog_set(struct em28xx *dev);
int em28xx_audio_setup(struct em28xx *dev);
int em28xx_colorlevels_set_default(struct em28xx *dev);
int em28xx_capture_start(struct em28xx *dev, int start);
-int em28xx_outfmt_set_yuv422(struct em28xx *dev);
+int em28xx_set_outfmt(struct em28xx *dev);
int em28xx_resolution_set(struct em28xx *dev);
int em28xx_set_alternate(struct em28xx *dev);
int em28xx_init_isoc(struct em28xx *dev, int max_packets,
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-10 16:59:45 +0000