* Support for a cx23416 mpeg encoder via cx2388x host port.
* "blackbird" reference design.
*
- * (c) 2004 Jelle Foks <jelle@foks.8m.com>
+ * (c) 2004 Jelle Foks <jelle@foks.us>
* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
*
* (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
+#include <linux/smp_lock.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
#include <media/cx2341x.h>
#include "cx88.h"
MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
-MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
static unsigned int mpegbufs = 32;
module_param(mpegbufs,int,0644);
MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
-static unsigned int debug = 0;
+static unsigned int debug;
module_param(debug,int,0644);
MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
/* ------------------------------------------------------------------ */
-static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
+static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
{
struct cx8802_dev *dev = priv;
unsigned long timeout;
u32 value, flag, retval;
int i;
- dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
+ dprintk(1,"%s: 0x%X\n", __func__, command);
/* this may not be 100% safe if we can't read any memory location
without side effects */
dprintk(1,"Initialize codec\n");
retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
if (retval < 0) {
+
+ dev->mpeg_active = 0;
+
/* ping was not successful, reset and upload firmware */
cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
- msleep(1);
cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
- msleep(1);
retval = blackbird_load_firmware(dev);
if (retval < 0)
return retval;
- dev->mailbox = blackbird_find_mailbox(dev);
- if (dev->mailbox < 0)
+ retval = blackbird_find_mailbox(dev);
+ if (retval < 0)
return -1;
+ dev->mailbox = retval;
+
retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
if (retval < 0) {
dprintk(0, "ERROR: Firmware ping failed!\n");
}
dprintk(0, "Firmware version is 0x%08x\n", version);
}
- msleep(1);
cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
blackbird_codec_settings(dev);
- msleep(1);
- /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
- blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
- blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
BLACKBIRD_FIELD1_SAA7115,
BLACKBIRD_FIELD2_SAA7115
);
- /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
- /* initialize the video input */
- blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
+ return 0;
+}
- msleep(1);
+static int blackbird_start_codec(struct file *file, void *priv)
+{
+ struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
+ struct cx88_core *core = dev->core;
+ /* start capturing to the host interface */
+ u32 reg;
- blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
- msleep(1);
- blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
- msleep(1);
+ int i;
+ int lastchange = -1;
+ int lastval = 0;
+
+ for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
+ reg = cx_read(AUD_STATUS);
+
+ dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
+ if ((reg & 0x0F) != lastval) {
+ lastval = reg & 0x0F;
+ lastchange = i;
+ }
+ msleep(100);
+ }
+
+ /* unmute audio source */
+ cx_clear(AUD_VOL_CTL, (1 << 6));
+
+ blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
+
+ /* initialize the video input */
+ blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
/* start capturing to the host interface */
- /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
BLACKBIRD_MPEG_CAPTURE,
BLACKBIRD_RAW_BITS_NONE
);
- msleep(10);
- blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
+ dev->mpeg_active = 1;
+ return 0;
+}
+
+static int blackbird_stop_codec(struct cx8802_dev *dev)
+{
+ blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
+ BLACKBIRD_END_NOW,
+ BLACKBIRD_MPEG_CAPTURE,
+ BLACKBIRD_RAW_BITS_NONE
+ );
+
+ dev->mpeg_active = 0;
return 0;
}
return -EINVAL;
/* Standard V4L2 controls */
- if (cx8800_ctrl_query(qctrl) == 0)
+ if (cx8800_ctrl_query(dev->core, qctrl) == 0)
return 0;
/* MPEG V4L2 controls */
qctrl.id = qmenu->id;
blackbird_queryctrl(dev, &qctrl);
- return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
+ return v4l2_ctrl_query_menu(qmenu, &qctrl,
+ cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
}
static int vidioc_querycap (struct file *file, void *priv,
return 0;
}
-static int vidioc_enum_fmt_cap (struct file *file, void *priv,
+static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (f->index != 0)
return -EINVAL;
strlcpy(f->description, "MPEG", sizeof(f->description));
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->pixelformat = V4L2_PIX_FMT_MPEG;
return 0;
}
-static int vidioc_g_fmt_cap (struct file *file, void *priv,
+static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
return 0;
}
-static int vidioc_try_fmt_cap (struct file *file, void *priv,
+static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
return 0;
}
-static int vidioc_s_fmt_cap (struct file *file, void *priv,
+static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
struct cx88_core *core = dev->core;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
+
+ if (dev->mpeg_active)
+ blackbird_stop_codec(dev);
+
p = dev->params;
err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
if (!err) {
struct cx8802_dev *dev = fh->dev;
struct cx88_core *core = dev->core;
- blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
- BLACKBIRD_END_NOW,
- BLACKBIRD_MPEG_CAPTURE,
- BLACKBIRD_RAW_BITS_NONE);
+ if (dev->mpeg_active)
+ blackbird_stop_codec(dev);
+
cx88_set_freq (core,f);
blackbird_initialize_codec(dev);
cx88_set_scale(dev->core, dev->width, dev->height,
snprintf(name, sizeof(name), "%s/2", core->name);
printk("%s/2: ============ START LOG STATUS ============\n",
core->name);
- cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
+ call_all(core, core, log_status);
cx2341x_log_status(&dev->params, name);
printk("%s/2: ============= END LOG STATUS =============\n",
core->name);
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
if (unlikely(qctrl->id == 0))
return -EINVAL;
- return cx8800_ctrl_query(qctrl);
+ return cx8800_ctrl_query(dev->core, qctrl);
}
static int vidioc_enum_input (struct file *file, void *priv,
f->type = V4L2_TUNER_ANALOG_TV;
f->frequency = core->freq;
- cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
+ call_all(core, tuner, g_frequency, f);
return 0;
}
/* FIXME: cx88_ioctl_hook not implemented */
-static int mpeg_open(struct inode *inode, struct file *file)
+static int mpeg_open(struct file *file)
{
- int minor = iminor(inode);
+ int minor = video_devdata(file)->minor;
struct cx8802_dev *dev = NULL;
struct cx8802_fh *fh;
struct cx8802_driver *drv = NULL;
int err;
- dev = cx8802_get_device(inode);
+ lock_kernel();
+ dev = cx8802_get_device(minor);
- dprintk( 1, "%s\n", __FUNCTION__);
+ dprintk( 1, "%s\n", __func__);
- if (dev == NULL)
+ if (dev == NULL) {
+ unlock_kernel();
return -ENODEV;
+ }
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
if (drv) {
err = drv->request_acquire(drv);
if(err != 0) {
- dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
+ dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
+ unlock_kernel();
return err;
}
}
- if (blackbird_initialize_codec(dev) < 0) {
+ if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -EINVAL;
}
dprintk(1,"open minor=%d\n",minor);
if (NULL == fh) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -ENOMEM;
}
file->private_data = fh;
fh->dev = dev;
- videobuf_queue_pci_init(&fh->mpegq, &blackbird_qops,
- dev->pci, &dev->slock,
+ videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
+ &dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx88_buffer),
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
+ unlock_kernel();
+
+ atomic_inc(&dev->core->mpeg_users);
return 0;
}
-static int mpeg_release(struct inode *inode, struct file *file)
+static int mpeg_release(struct file *file)
{
struct cx8802_fh *fh = file->private_data;
- struct cx8802_dev *dev = NULL;
+ struct cx8802_dev *dev = fh->dev;
struct cx8802_driver *drv = NULL;
- /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
- blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
- BLACKBIRD_END_NOW,
- BLACKBIRD_MPEG_CAPTURE,
- BLACKBIRD_RAW_BITS_NONE
- );
+ if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
+ blackbird_stop_codec(dev);
cx8802_cancel_buffers(fh->dev);
/* stop mpeg capture */
kfree(fh);
/* Make sure we release the hardware */
- dev = cx8802_get_device(inode);
+ dev = cx8802_get_device(video_devdata(file)->minor);
if (dev == NULL)
return -ENODEV;
if (drv)
drv->request_release(drv);
+ atomic_dec(&dev->core->mpeg_users);
+
return 0;
}
mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
struct cx8802_fh *fh = file->private_data;
+ struct cx8802_dev *dev = fh->dev;
+
+ if (!dev->mpeg_active)
+ blackbird_start_codec(file, fh);
return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
file->f_flags & O_NONBLOCK);
mpeg_poll(struct file *file, struct poll_table_struct *wait)
{
struct cx8802_fh *fh = file->private_data;
+ struct cx8802_dev *dev = fh->dev;
+
+ if (!dev->mpeg_active)
+ blackbird_start_codec(file, fh);
return videobuf_poll_stream(file, &fh->mpegq, wait);
}
return videobuf_mmap_mapper(&fh->mpegq, vma);
}
-static const struct file_operations mpeg_fops =
+static const struct v4l2_file_operations mpeg_fops =
{
.owner = THIS_MODULE,
.open = mpeg_open,
.poll = mpeg_poll,
.mmap = mpeg_mmap,
.ioctl = video_ioctl2,
- .llseek = no_llseek,
};
-static struct video_device cx8802_mpeg_template =
-{
- .name = "cx8802",
- .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
- .fops = &mpeg_fops,
- .minor = -1,
+static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_querymenu = vidioc_querymenu,
.vidioc_querycap = vidioc_querycap,
- .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
- .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
- .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
- .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
+ .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
+ .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
+ .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_s_std = vidioc_s_std,
+};
+
+static struct video_device cx8802_mpeg_template = {
+ .name = "cx8802",
+ .fops = &mpeg_fops,
+ .ioctl_ops = &mpeg_ioctl_ops,
+ .minor = -1,
.tvnorms = CX88_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
* We're being given access to re-arrange the GPIOs.
* Take the bus off the cx22702 and put the cx23416 on it.
*/
- cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
- cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
+ /* Toggle reset on cx22702 leaving i2c active */
+ cx_set(MO_GP0_IO, 0x00000080);
+ udelay(1000);
+ cx_clear(MO_GP0_IO, 0x00000080);
+ udelay(50);
+ cx_set(MO_GP0_IO, 0x00000080);
+ udelay(1000);
+ /* tri-state the cx22702 pins */
+ cx_set(MO_GP0_IO, 0x00000004);
+ udelay(1000);
break;
default:
err = -ENODEV;
return err;
}
printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
- dev->core->name,dev->mpeg_dev->minor & 0x1f);
+ dev->core->name, dev->mpeg_dev->num);
return 0;
}
struct cx8802_dev *dev = core->dvbdev;
int err;
- dprintk( 1, "%s\n", __FUNCTION__);
+ dprintk( 1, "%s\n", __func__);
dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
core->boardnr,
core->name,
core->name);
host_setup(dev->core);
+ blackbird_initialize_codec(dev);
blackbird_register_video(dev);
/* initial device configuration: needed ? */
.advise_release = cx8802_blackbird_advise_release,
};
-static int blackbird_init(void)
+static int __init blackbird_init(void)
{
printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
(CX88_VERSION_CODE >> 16) & 0xff,
return cx8802_register_driver(&cx8802_blackbird_driver);
}
-static void blackbird_fini(void)
+static void __exit blackbird_fini(void)
{
cx8802_unregister_driver(&cx8802_blackbird_driver);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff