diff options
Diffstat (limited to 'drivers/media/video')
-rw-r--r-- | drivers/media/video/Kconfig | 2 | ||||
-rw-r--r-- | drivers/media/video/Makefile | 2 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/Kconfig | 10 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/Makefile | 7 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/hdpvr-control.c | 201 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/hdpvr-core.c | 439 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/hdpvr-i2c.c | 145 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/hdpvr-video.c | 1228 | ||||
-rw-r--r-- | drivers/media/video/hdpvr/hdpvr.h | 298 |
9 files changed, 2332 insertions, 0 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index d5ddb819a96..3f85b9e6375 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -789,6 +789,8 @@ source "drivers/media/video/gspca/Kconfig" source "drivers/media/video/pvrusb2/Kconfig" +source "drivers/media/video/hdpvr/Kconfig" + source "drivers/media/video/em28xx/Kconfig" source "drivers/media/video/usbvision/Kconfig" diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 08a0675fea3..b9046744463 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -119,6 +119,8 @@ obj-$(CONFIG_USB_PWC) += pwc/ obj-$(CONFIG_USB_ZC0301) += zc0301/ obj-$(CONFIG_USB_GSPCA) += gspca/ +obj-$(CONFIG_VIDEO_HDPVR) += hdpvr/ + obj-$(CONFIG_USB_IBMCAM) += usbvideo/ obj-$(CONFIG_USB_KONICAWC) += usbvideo/ obj-$(CONFIG_USB_VICAM) += usbvideo/ diff --git a/drivers/media/video/hdpvr/Kconfig b/drivers/media/video/hdpvr/Kconfig new file mode 100644 index 00000000000..de247f3c7d0 --- /dev/null +++ b/drivers/media/video/hdpvr/Kconfig @@ -0,0 +1,10 @@ + +config VIDEO_HDPVR + tristate "Hauppauge HD PVR support" + depends on VIDEO_DEV + ---help--- + This is a video4linux driver for Hauppauge's HD PVR USB device. + + To compile this driver as a module, choose M here: the + module will be called hdpvr + diff --git a/drivers/media/video/hdpvr/Makefile b/drivers/media/video/hdpvr/Makefile new file mode 100644 index 00000000000..79ad2e16cb8 --- /dev/null +++ b/drivers/media/video/hdpvr/Makefile @@ -0,0 +1,7 @@ +hdpvr-objs := hdpvr-control.o hdpvr-core.o hdpvr-i2c.o hdpvr-video.o + +obj-$(CONFIG_VIDEO_HDPVR) += hdpvr.o + +EXTRA_CFLAGS += -Idrivers/media/video + +EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m) diff --git a/drivers/media/video/hdpvr/hdpvr-control.c b/drivers/media/video/hdpvr/hdpvr-control.c new file mode 100644 index 00000000000..ecf02c621f1 --- /dev/null +++ b/drivers/media/video/hdpvr/hdpvr-control.c @@ -0,0 +1,201 @@ +/* + * Hauppage HD PVR USB driver - video 4 linux 2 interface + * + * Copyright (C) 2008 Janne Grunau (j@jannau.net) + * + * 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, version 2. + * + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/mutex.h> + +#include <linux/videodev2.h> + +#include <media/v4l2-common.h> + +#include "hdpvr.h" + + +int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf) +{ + int ret; + char request_type = 0x38, snd_request = 0x01; + + msleep(10); + + mutex_lock(&dev->usbc_mutex); + dev->usbc_buf[0] = valbuf; + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + snd_request, 0x00 | request_type, + value, CTRL_DEFAULT_INDEX, + dev->usbc_buf, 1, 10000); + + mutex_unlock(&dev->usbc_mutex); + dev_dbg(&dev->udev->dev, + "config call request for value 0x%x returned %d\n", value, + ret); + + return ret < 0 ? ret : 0; +} + +struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev) +{ + struct hdpvr_video_info *vidinf = NULL; +#ifdef HDPVR_DEBUG + char print_buf[15]; +#endif + int ret; + + vidinf = kzalloc(sizeof(struct hdpvr_video_info), GFP_KERNEL); + if (!vidinf) { + dev_err(&dev->udev->dev, "out of memory"); + goto err; + } + + mutex_lock(&dev->usbc_mutex); + ret = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + 0x81, 0x80 | 0x38, + 0x1400, 0x0003, + dev->usbc_buf, 5, + 1000); + if (ret == 5) { + vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0]; + vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2]; + vidinf->fps = dev->usbc_buf[4]; + } + +#ifdef HDPVR_DEBUG + if (hdpvr_debug & MSG_INFO) { + hex_dump_to_buffer(dev->usbc_buf, 5, 16, 1, print_buf, + sizeof(print_buf), 0); + dev_dbg(&dev->udev->dev, "get video info returned: %d, %s\n", + ret, print_buf); + } +#endif + mutex_unlock(&dev->usbc_mutex); + + if (!vidinf->width || !vidinf->height || !vidinf->fps) { + kfree(vidinf); + vidinf = NULL; + } +err: + return vidinf; +} + +int get_input_lines_info(struct hdpvr_device *dev) +{ +#ifdef HDPVR_DEBUG + char print_buf[9]; +#endif + int ret, lines; + + mutex_lock(&dev->usbc_mutex); + ret = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + 0x81, 0x80 | 0x38, + 0x1800, 0x0003, + dev->usbc_buf, 3, + 1000); + +#ifdef HDPVR_DEBUG + if (hdpvr_debug & MSG_INFO) { + hex_dump_to_buffer(dev->usbc_buf, 3, 16, 1, print_buf, + sizeof(print_buf), 0); + dev_dbg(&dev->udev->dev, + "get input lines info returned: %d, %s\n", ret, + print_buf); + } +#endif + lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0]; + mutex_unlock(&dev->usbc_mutex); + return lines; +} + + +int hdpvr_set_bitrate(struct hdpvr_device *dev) +{ + int ret; + + mutex_lock(&dev->usbc_mutex); + memset(dev->usbc_buf, 0, 4); + dev->usbc_buf[0] = dev->options.bitrate; + dev->usbc_buf[2] = dev->options.peak_bitrate; + + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0x01, 0x38, CTRL_BITRATE_VALUE, + CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000); + mutex_unlock(&dev->usbc_mutex); + + return ret; +} + +int hdpvr_set_audio(struct hdpvr_device *dev, u8 input, + enum v4l2_mpeg_audio_encoding codec) +{ + int ret = 0; + + if (dev->flags & HDPVR_FLAG_AC3_CAP) { + mutex_lock(&dev->usbc_mutex); + memset(dev->usbc_buf, 0, 2); + dev->usbc_buf[0] = input; + if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC) + dev->usbc_buf[1] = 0; + else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3) + dev->usbc_buf[1] = 1; + else { + mutex_unlock(&dev->usbc_mutex); + dev_err(&dev->udev->dev, "invalid audio codec %d\n", + codec); + ret = -EINVAL; + goto error; + } + + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0x01, 0x38, CTRL_AUDIO_INPUT_VALUE, + CTRL_DEFAULT_INDEX, dev->usbc_buf, 2, + 1000); + mutex_unlock(&dev->usbc_mutex); + if (ret == 2) + ret = 0; + } else + ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE, + dev->options.audio_input+1); +error: + return ret; +} + +int hdpvr_set_options(struct hdpvr_device *dev) +{ + hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std); + + hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, + dev->options.video_input+1); + + hdpvr_set_audio(dev, dev->options.audio_input+1, + dev->options.audio_codec); + + hdpvr_set_bitrate(dev); + hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, + dev->options.bitrate_mode); + hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode); + + hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness); + hdpvr_config_call(dev, CTRL_CONTRAST, dev->options.contrast); + hdpvr_config_call(dev, CTRL_HUE, dev->options.hue); + hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation); + hdpvr_config_call(dev, CTRL_SHARPNESS, dev->options.sharpness); + + return 0; +} diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c new file mode 100644 index 00000000000..e7300b570bb --- /dev/null +++ b/drivers/media/video/hdpvr/hdpvr-core.c @@ -0,0 +1,439 @@ +/* + * Hauppage HD PVR USB driver + * + * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) + * Copyright (C) 2008 Janne Grunau (j@jannau.net) + * Copyright (C) 2008 John Poet + * + * 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, version 2. + * + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/uaccess.h> +#include <asm/atomic.h> +#include <linux/usb.h> +#include <linux/mutex.h> +#include <linux/i2c.h> + +#include <linux/videodev2.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-common.h> + +#include "hdpvr.h" + +static int video_nr[HDPVR_MAX] = {[0 ... (HDPVR_MAX - 1)] = UNSET}; +module_param_array(video_nr, int, NULL, 0); +MODULE_PARM_DESC(video_nr, "video device number (-1=Auto)"); + +/* holds the number of currently registered devices */ +static atomic_t dev_nr = ATOMIC_INIT(-1); + +int hdpvr_debug; +module_param(hdpvr_debug, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(hdpvr_debug, "enable debugging output"); + +uint default_video_input = HDPVR_VIDEO_INPUTS; +module_param(default_video_input, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / " + "1=S-Video / 2=Composite"); + +uint default_audio_input = HDPVR_AUDIO_INPUTS; +module_param(default_audio_input, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / " + "1=RCA front / 2=S/PDIF"); + +static int boost_audio; +module_param(boost_audio, bool, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(boost_audio, "boost the audio signal"); + + +/* table of devices that work with this driver */ +static struct usb_device_id hdpvr_table[] = { + { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID) }, + { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID1) }, + { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID2) }, + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, hdpvr_table); + + +void hdpvr_delete(struct hdpvr_device *dev) +{ + hdpvr_free_buffers(dev); + + if (dev->video_dev) + video_device_release(dev->video_dev); + + usb_put_dev(dev->udev); +} + +static void challenge(u8 *bytes) +{ + u64 *i64P, tmp64; + uint i, idx; + + for (idx = 0; idx < 32; ++idx) { + + if (idx & 0x3) + bytes[(idx >> 3) + 3] = bytes[(idx >> 2) & 0x3]; + + switch (idx & 0x3) { + case 0x3: + bytes[2] += bytes[3] * 4 + bytes[4] + bytes[5]; + bytes[4] += bytes[(idx & 0x1) * 2] * 9 + 9; + break; + case 0x1: + bytes[0] *= 8; + bytes[0] += 7*idx + 4; + bytes[6] += bytes[3] * 3; + break; + case 0x0: + bytes[3 - (idx >> 3)] = bytes[idx >> 2]; + bytes[5] += bytes[6] * 3; + for (i = 0; i < 3; i++) + bytes[3] *= bytes[3] + 1; + break; + case 0x2: + for (i = 0; i < 3; i++) + bytes[1] *= bytes[6] + 1; + for (i = 0; i < 3; i++) { + i64P = (u64 *)bytes; + tmp64 = le64_to_cpup(i64P); + tmp64 <<= bytes[7] & 0x0f; + *i64P += cpu_to_le64(tmp64); + } + break; + } + } +} + +/* try to init the device like the windows driver */ +static int device_authorization(struct hdpvr_device *dev) +{ + + int ret, retval = -ENOMEM; + char request_type = 0x38, rcv_request = 0x81; + char *response; +#ifdef HDPVR_DEBUG + size_t buf_size = 46; + char *print_buf = kzalloc(5*buf_size+1, GFP_KERNEL); + if (!print_buf) { + dev_err(&dev->udev->dev, "Out of memory"); + goto error; + } +#endif + + mutex_lock(&dev->usbc_mutex); + ret = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + rcv_request, 0x80 | request_type, + 0x0400, 0x0003, + dev->usbc_buf, 46, + 10000); + if (ret != 46) { + dev_err(&dev->udev->dev, + "unexpected answer of status request, len %d", ret); + goto error; + } +#ifdef HDPVR_DEBUG + else { + hex_dump_to_buffer(dev->usbc_buf, 46, 16, 1, print_buf, + sizeof(print_buf), 0); + dev_dbg(&dev->udev->dev, + "Status request returned, len %d: %s\n", + ret, print_buf); + } +#endif + if (dev->usbc_buf[1] == HDPVR_FIRMWARE_VERSION) { + dev->flags &= ~HDPVR_FLAG_AC3_CAP; + } else if (dev->usbc_buf[1] == HDPVR_FIRMWARE_VERSION_AC3) { + dev->flags |= HDPVR_FLAG_AC3_CAP; + } else if (dev->usbc_buf[1] > HDPVR_FIRMWARE_VERSION_AC3) { + dev_notice(&dev->udev->dev, "untested firmware version 0x%x, " + "the driver might not work\n", dev->usbc_buf[1]); + dev->flags |= HDPVR_FLAG_AC3_CAP; + } else { + dev_err(&dev->udev->dev, "unknown firmware version 0x%x\n", + dev->usbc_buf[1]); + ret = -EINVAL; + goto error; + } + + response = dev->usbc_buf+38; +#ifdef HDPVR_DEBUG + hex_dump_to_buffer(response, 8, 16, 1, print_buf, sizeof(print_buf), 0); + dev_dbg(&dev->udev->dev, "challenge: %s\n", print_buf); +#endif + challenge(response); +#ifdef HDPVR_DEBUG + hex_dump_to_buffer(response, 8, 16, 1, print_buf, sizeof(print_buf), 0); + dev_dbg(&dev->udev->dev, " response: %s\n", print_buf); +#endif + + msleep(100); + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0xd1, 0x00 | request_type, + 0x0000, 0x0000, + response, 8, + 10000); + dev_dbg(&dev->udev->dev, "magic request returned %d\n", ret); + mutex_unlock(&dev->usbc_mutex); + + retval = ret != 8; +error: + return retval; +} + +static int hdpvr_device_init(struct hdpvr_device *dev) +{ + int ret; + u8 *buf; + struct hdpvr_video_info *vidinf; + + if (device_authorization(dev)) + return -EACCES; + + /* default options for init */ + hdpvr_set_options(dev); + + /* set filter options */ + mutex_lock(&dev->usbc_mutex); + buf = dev->usbc_buf; + buf[0] = 0x03; buf[1] = 0x03; buf[2] = 0x00; buf[3] = 0x00; + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0x01, 0x38, + CTRL_LOW_PASS_FILTER_VALUE, CTRL_DEFAULT_INDEX, + buf, 4, + 1000); + dev_dbg(&dev->udev->dev, "control request returned %d\n", ret); + mutex_unlock(&dev->usbc_mutex); + + vidinf = get_video_info(dev); + if (!vidinf) + dev_dbg(&dev->udev->dev, + "no valid video signal or device init failed\n"); + else + kfree(vidinf); + + /* enable fan and bling leds */ + mutex_lock(&dev->usbc_mutex); + buf[0] = 0x1; + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0xd4, 0x38, 0, 0, buf, 1, + 1000); + dev_dbg(&dev->udev->dev, "control request returned %d\n", ret); + + /* boost analog audio */ + buf[0] = boost_audio; + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0xd5, 0x38, 0, 0, buf, 1, + 1000); + dev_dbg(&dev->udev->dev, "control request returned %d\n", ret); + mutex_unlock(&dev->usbc_mutex); + + dev->status = STATUS_IDLE; + return 0; +} + +static const struct hdpvr_options hdpvr_default_options = { + .video_std = HDPVR_60HZ, + .video_input = HDPVR_COMPONENT, + .audio_input = HDPVR_RCA_BACK, + .bitrate = 65, /* 6 mbps */ + .peak_bitrate = 90, /* 9 mbps */ + .bitrate_mode = HDPVR_CONSTANT, + .gop_mode = HDPVR_SIMPLE_IDR_GOP, + .audio_codec = V4L2_MPEG_AUDIO_ENCODING_AAC, + .brightness = 0x86, + .contrast = 0x80, + .hue = 0x80, + .saturation = 0x80, + .sharpness = 0x80, +}; + +static int hdpvr_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct hdpvr_device *dev; + struct usb_host_interface *iface_desc; + struct usb_endpoint_descriptor *endpoint; + size_t buffer_size; + int i; + int retval = -ENOMEM; + + /* allocate memory for our device state and initialize it */ + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + err("Out of memory"); + goto error; + } + mutex_init(&dev->io_mutex); + mutex_init(&dev->i2c_mutex); + mutex_init(&dev->usbc_mutex); + dev->usbc_buf = kmalloc(64, GFP_KERNEL); + if (!dev->usbc_buf) { + dev_err(&dev->udev->dev, "Out of memory"); + goto error; + } + + init_waitqueue_head(&dev->wait_buffer); + init_waitqueue_head(&dev->wait_data); + + dev->workqueue = create_singlethread_workqueue("hdpvr_buffer"); + if (!dev->workqueue) + goto error; + + /* init video transfer queues */ + INIT_LIST_HEAD(&dev->free_buff_list); + INIT_LIST_HEAD(&dev->rec_buff_list); + + dev->options = hdpvr_default_options; + + if (default_video_input < HDPVR_VIDEO_INPUTS) + dev->options.video_input = default_video_input; + + if (default_audio_input < HDPVR_AUDIO_INPUTS) + dev->options.audio_input = default_audio_input; + + dev->udev = usb_get_dev(interface_to_usbdev(interface)); + + /* set up the endpoint information */ + /* use only the first bulk-in and bulk-out endpoints */ + iface_desc = interface->cur_altsetting; + for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { + endpoint = &iface_desc->endpoint[i].desc; + + if (!dev->bulk_in_endpointAddr && + usb_endpoint_is_bulk_in(endpoint)) { + /* USB interface description is buggy, reported max + * packet size is 512 bytes, windows driver uses 8192 */ + buffer_size = 8192; + dev->bulk_in_size = buffer_size; + dev->bulk_in_endpointAddr = endpoint->bEndpointAddress; + } + + } + if (!dev->bulk_in_endpointAddr) { + err("Could not find bulk-in endpoint"); + goto error; + } + + /* init the device */ + if (hdpvr_device_init(dev)) { + err("device init failed"); + goto error; + } + + mutex_lock(&dev->io_mutex); + if (hdpvr_alloc_buffers(dev, NUM_BUFFERS)) { + err("allocating transfer buffers failed"); + goto error; + } + mutex_unlock(&dev->io_mutex); + + if (hdpvr_register_videodev(dev, + video_nr[atomic_inc_return(&dev_nr)])) { + err("registering videodev failed"); + goto error; + } + + + /* save our data pointer in this interface device */ + usb_set_intfdata(interface, dev); + + /* let the user know what node this device is now attached to */ + v4l2_info(dev->video_dev, "device now attached to /dev/video%d\n", + dev->video_dev->minor); + return 0; + +error: + if (dev) { + mutex_unlock(&dev->io_mutex); + /* this frees allocated memory */ + hdpvr_delete(dev); + } + return retval; +} + +static void hdpvr_disconnect(struct usb_interface *interface) +{ + struct hdpvr_device *dev; + int minor; + + dev = usb_get_intfdata(interface); + usb_set_intfdata(interface, NULL); + + minor = dev->video_dev->minor; + + /* prevent more I/O from starting and stop any ongoing */ + mutex_lock(&dev->io_mutex); + dev->status = STATUS_DISCONNECTED; + video_unregister_device(dev->video_dev); + wake_up_interruptible(&dev->wait_data); + wake_up_interruptible(&dev->wait_buffer); + msleep(100); + flush_workqueue(dev->workqueue); + hdpvr_cancel_queue(dev); + destroy_workqueue(dev->workqueue); + mutex_unlock(&dev->io_mutex); + + /* deregister I2C adapter */ + mutex_lock(&dev->i2c_mutex); + if (dev->i2c_adapter) + i2c_del_adapter(dev->i2c_adapter); + kfree(dev->i2c_adapter); + dev->i2c_adapter = NULL; + mutex_unlock(&dev->i2c_mutex); + + atomic_dec(&dev_nr); + + printk(KERN_INFO "Hauppauge HD PVR: device /dev/video%d disconnected\n", + minor); + + kfree(dev->usbc_buf); + kfree(dev); +} + + +static struct usb_driver hdpvr_usb_driver = { + .name = "hdpvr", + .probe = hdpvr_probe, + .disconnect = hdpvr_disconnect, + .id_table = hdpvr_table, +}; + +static int __init hdpvr_init(void) +{ + int result; + + /* register this driver with the USB subsystem */ + result = usb_register(&hdpvr_usb_driver); + if (result) + err("usb_register failed. Error number %d", result); + + return result; +} + +static void __exit hdpvr_exit(void) +{ + /* deregister this driver with the USB subsystem */ + usb_deregister(&hdpvr_usb_driver); +} + +module_init(hdpvr_init); +module_exit(hdpvr_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Janne Grunau"); +MODULE_DESCRIPTION("Hauppauge HD PVR driver"); diff --git a/drivers/media/video/hdpvr/hdpvr-i2c.c b/drivers/media/video/hdpvr/hdpvr-i2c.c new file mode 100644 index 00000000000..35096dec241 --- /dev/null +++ b/drivers/media/video/hdpvr/hdpvr-i2c.c @@ -0,0 +1,145 @@ + +/* + * Hauppage HD PVR USB driver + * + * Copyright (C) 2008 Janne Grunau (j@jannau.net) + * + * 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, version 2. + * + */ + +#include <linux/i2c.h> + +#include "hdpvr.h" + +#define CTRL_READ_REQUEST 0xb8 +#define CTRL_WRITE_REQUEST 0x38 + +#define REQTYPE_I2C_READ 0xb1 +#define REQTYPE_I2C_WRITE 0xb0 +#define REQTYPE_I2C_WRITE_STATT 0xd0 + +static int hdpvr_i2c_read(struct hdpvr_device *dev, unsigned char addr, + char *data, int len) +{ + int ret; + char *buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + REQTYPE_I2C_READ, CTRL_READ_REQUEST, + 0x100|addr, 0, buf, len, 1000); + + if (ret == len) { + memcpy(data, buf, len); + ret = 0; + } else if (ret >= 0) + ret = -EIO; + + kfree(buf); + + return ret; +} + +static int hdpvr_i2c_write(struct hdpvr_device *dev, unsigned char addr, + char *data, int len) +{ + int ret; + char *buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + memcpy(buf, data, len); + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST, + 0x100|addr, 0, buf, len, 1000); + + if (ret < 0) + goto error; + + ret = usb_control_msg(dev->udev, + usb_rcvctrlpipe(dev->udev, 0), + REQTYPE_I2C_WRITE_STATT, CTRL_READ_REQUEST, + 0, 0, buf, 2, 1000); + + if (ret == 2) + ret = 0; + else if (ret >= 0) + ret = -EIO; + +error: + kfree(buf); + return ret; +} + +static int hdpvr_transfer(struct i2c_adapter *i2c_adapter, struct i2c_msg *msgs, + int num) +{ + struct hdpvr_device *dev = i2c_get_adapdata(i2c_adapter); + int retval = 0, i, addr; + + if (num <= 0) + return 0; + + mutex_lock(&dev->i2c_mutex); + + for (i = 0; i < num && !retval; i++) { + addr = msgs[i].addr << 1; + + if (msgs[i].flags & I2C_M_RD) + retval = hdpvr_i2c_read(dev, addr, msgs[i].buf, + msgs[i].len); + else + retval = hdpvr_i2c_write(dev, addr, msgs[i].buf, + msgs[i].len); + } + + mutex_unlock(&dev->i2c_mutex); + + return retval ? retval : num; +} + +static u32 hdpvr_functionality(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static struct i2c_algorithm hdpvr_algo = { + .master_xfer = hdpvr_transfer, + .functionality = hdpvr_functionality, +}; + +int hdpvr_register_i2c_adapter(struct hdpvr_device *dev) +{ + struct i2c_adapter *i2c_adap; + int retval = -ENOMEM; + + i2c_adap = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL); + if (i2c_adap == NULL) + goto error; + + strlcpy(i2c_adap->name, "Hauppauge HD PVR I2C", + sizeof(i2c_adap->name)); + i2c_adap->algo = &hdpvr_algo; + i2c_adap->class = I2C_CLASS_TV_ANALOG; + i2c_adap->id = I2C_HW_B_HDPVR; + i2c_adap->owner = THIS_MODULE; + i2c_adap->dev.parent = &dev->udev->dev; + + i2c_set_adapdata(i2c_adap, dev); + + retval = i2c_add_adapter(i2c_adap); + + if (!retval) + dev->i2c_adapter = i2c_adap; + else + kfree(i2c_adap); + +error: + return retval; +} diff --git a/drivers/media/video/hdpvr/hdpvr-video.c b/drivers/media/video/hdpvr/hdpvr-video.c new file mode 100644 index 00000000000..ee481495e4f --- /dev/null +++ b/drivers/media/video/hdpvr/hdpvr-video.c @@ -0,0 +1,1228 @@ +/* + * Hauppage HD PVR USB driver - video 4 linux 2 interface + * + * Copyright (C) 2008 Janne Grunau (j@jannau.net) + * + * 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, version 2. + * + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/uaccess.h> +#include <linux/usb.h> +#include <linux/mutex.h> +#include <linux/version.h> +#include <linux/workqueue.h> + +#include <linux/videodev2.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include "hdpvr.h" + +#define BULK_URB_TIMEOUT 1250 /* 1.25 seconds */ + +struct hdpvr_fh { + struct hdpvr_device *dev; +}; + +static uint list_size(struct list_head *list) +{ + struct list_head *tmp; + uint count = 0; + + list_for_each(tmp, list) { + count++; + } + + return count; +} + +/*=========================================================================*/ +/* urb callback */ +static void hdpvr_read_bulk_callback(struct urb *urb) +{ + struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context; + struct hdpvr_device *dev = buf->dev; + + /* marking buffer as received and wake waiting */ + buf->status = BUFSTAT_READY; + wake_up_interruptible(&dev->wait_data); +} + +/*=========================================================================*/ +/* bufffer bits */ + +/* function expects dev->io_mutex to be hold by caller */ +int hdpvr_cancel_queue(struct hdpvr_device *dev) +{ + struct hdpvr_buffer *buf; + + list_for_each_entry(buf, &dev->rec_buff_list, buff_list) { + usb_kill_urb(buf->urb); + buf->status = BUFSTAT_AVAILABLE; + } + + list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev); + + return 0; +} + +static int hdpvr_free_queue(struct list_head *q) +{ + struct list_head *tmp; + struct list_head *p; + struct hdpvr_buffer *buf; + struct urb *urb; + + for (p = q->next; p != q;) { + buf = list_entry(p, struct hdpvr_buffer, buff_list); + + urb = buf->urb; + usb_buffer_free(urb->dev, urb->transfer_buffer_length, + urb->transfer_buffer, urb->transfer_dma); + usb_free_urb(urb); + tmp = p->next; + list_del(p); + kfree(buf); + p = tmp; + } + + return 0; +} + +/* function expects dev->io_mutex to be hold by caller */ +int hdpvr_free_buffers(struct hdpvr_device *dev) +{ + hdpvr_cancel_queue(dev); + + hdpvr_free_queue(&dev->free_buff_list); + hdpvr_free_queue(&dev->rec_buff_list); + + return 0; +} + +/* function expects dev->io_mutex to be hold by caller */ +int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count) +{ + uint i; + int retval = -ENOMEM; + u8 *mem; + struct hdpvr_buffer *buf; + struct urb *urb; + + v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, + "allocating %u buffers\n", count); + + for (i = 0; i < count; i++) { + + buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL); + if (!buf) { + err("cannot allocate buffer"); + goto exit; + } + buf->dev = dev; + + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) { + err("cannot allocate urb"); + goto exit; + } + buf->urb = urb; + + mem = usb_buffer_alloc(dev->udev, dev->bulk_in_size, GFP_KERNEL, + &urb->transfer_dma); + if (!mem) { + err("cannot allocate usb transfer buffer"); + goto exit; + } + + usb_fill_bulk_urb(buf->urb, dev->udev, + usb_rcvbulkpipe(dev->udev, + dev->bulk_in_endpointAddr), + mem, dev->bulk_in_size, + hdpvr_read_bulk_callback, buf); + + buf->status = BUFSTAT_AVAILABLE; + list_add_tail(&buf->buff_list, &dev->free_buff_list); + } + return 0; +exit: + hdpvr_free_buffers(dev); + return retval; +} + +static int hdpvr_submit_buffers(struct hdpvr_device *dev) +{ + struct hdpvr_buffer *buf; + struct urb *urb; + int ret = 0, err_count = 0; + + mutex_lock(&dev->io_mutex); + + while (dev->status == STATUS_STREAMING && + !list_empty(&dev->free_buff_list)) { + + buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer, + buff_list); + if (buf->status != BUFSTAT_AVAILABLE) { + err("buffer not marked as availbale"); + ret = -EFAULT; + goto err; + } + + urb = buf->urb; + urb->status = 0; + urb->actual_length = 0; + ret = usb_submit_urb(urb, GFP_KERNEL); + if (ret) { + err("usb_submit_urb in %s returned %d", __func__, ret); + if (++err_count > 2) + break; + continue; + } + buf->status = BUFSTAT_INPROGRESS; + list_move_tail(&buf->buff_list, &dev->rec_buff_list); + } +err: + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "buffer queue stat: %d free, %d proc\n", + list_size(&dev->free_buff_list), + list_size(&dev->rec_buff_list)); + mutex_unlock(&dev->io_mutex); + return ret; +} + +static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev) +{ + struct hdpvr_buffer *buf; + + mutex_lock(&dev->io_mutex); + + if (list_empty(&dev->rec_buff_list)) { + mutex_unlock(&dev->io_mutex); + return NULL; + } + + buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer, + buff_list); + mutex_unlock(&dev->io_mutex); + + return buf; +} + +static void hdpvr_transmit_buffers(struct work_struct *work) +{ + struct hdpvr_device *dev = container_of(work, struct hdpvr_device, + worker); + + while (dev->status == STATUS_STREAMING) { + + if (hdpvr_submit_buffers(dev)) { + v4l2_err(dev->video_dev, "couldn't submit buffers\n"); + goto error; + } + if (wait_event_interruptible(dev->wait_buffer, + !list_empty(&dev->free_buff_list) || + dev->status != STATUS_STREAMING)) + goto error; + } + + v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, + "transmit worker exited\n"); + return; +error: + v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, + "transmit buffers errored\n"); + dev->status = STATUS_ERROR; +} + +/* function expects dev->io_mutex to be hold by caller */ +static int hdpvr_start_streaming(struct hdpvr_device *dev) +{ + int ret; + struct hdpvr_video_info *vidinf; + + if (dev->status == STATUS_STREAMING) + return 0; + else if (dev->status != STATUS_IDLE) + return -EAGAIN; + + vidinf = get_video_info(dev); + + if (vidinf) { + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "video signal: %dx%d@%dhz\n", vidinf->width, + vidinf->height, vidinf->fps); + kfree(vidinf); + + /* start streaming 2 request */ + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "encoder start control request returned %d\n", ret); + + hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); + + INIT_WORK(&dev->worker, hdpvr_transmit_buffers); + queue_work(dev->workqueue, &dev->worker); + + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "streaming started\n"); + dev->status = STATUS_STREAMING; + + return 0; + } + msleep(250); + v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, + "no video signal at input %d\n", dev->options.video_input); + return -EAGAIN; +} + + +/* function expects dev->io_mutex to be hold by caller */ +static int hdpvr_stop_streaming(struct hdpvr_device *dev) +{ + if (dev->status == STATUS_IDLE) + return 0; + else if (dev->status != STATUS_STREAMING) + return -EAGAIN; + + dev->status = STATUS_SHUTTING_DOWN; + hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00); + + wake_up_interruptible(&dev->wait_buffer); + msleep(50); + + flush_workqueue(dev->workqueue); + + /* kill the still outstanding urbs */ + hdpvr_cancel_queue(dev); + + dev->status = STATUS_IDLE; + + return 0; +} + + +/*=======================================================================*/ +/* + * video 4 linux 2 file operations + */ + +static int hdpvr_open(struct file *file) +{ + struct hdpvr_device *dev; + struct hdpvr_fh *fh; + int retval = -ENOMEM; + + dev = (struct hdpvr_device *)video_get_drvdata(video_devdata(file)); + if (!dev) { + err("open failing with with ENODEV"); + retval = -ENODEV; + goto err; + } + + fh = kzalloc(sizeof(struct hdpvr_fh), GFP_KERNEL); + if (!fh) { + err("Out of memory?"); + goto err; + } + /* lock the device to allow correctly handling errors + * in resumption */ + mutex_lock(&dev->io_mutex); + dev->open_count++; + + fh->dev = dev; + + /* save our object in the file's private structure */ + file->private_data = fh; + + retval = 0; +err: + mutex_unlock(&dev->io_mutex); + return retval; +} + +static int hdpvr_release(struct file *file) +{ + struct hdpvr_fh *fh = (struct hdpvr_fh *)file->private_data; + struct hdpvr_device *dev = fh->dev; + + if (!dev) + return -ENODEV; + + mutex_lock(&dev->io_mutex); + if (!(--dev->open_count) && dev->status == STATUS_STREAMING) + hdpvr_stop_streaming(dev); + + mutex_unlock(&dev->io_mutex); + + return 0; +} + +/* + * hdpvr_v4l2_read() + * will allocate buffers when called for the first time + */ +static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, + loff_t *pos) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + struct hdpvr_buffer *buf = NULL; + struct urb *urb; + unsigned int ret = 0; + int rem, cnt; + + if (*pos) + return -ESPIPE; + + if (!dev) + return -ENODEV; + + mutex_lock(&dev->io_mutex); + if (dev->status == STATUS_IDLE) { + if (hdpvr_start_streaming(dev)) { + v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, + "start_streaming failed"); + ret = -EIO; + msleep(200); + dev->status = STATUS_IDLE; + mutex_unlock(&dev->io_mutex); + goto err; + } + + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "buffer queue stat: %d free, %d proc\n", + list_size(&dev->free_buff_list), + list_size(&dev->rec_buff_list)); + } + mutex_unlock(&dev->io_mutex); + + /* wait for the first buffer */ + if (!(file->f_flags & O_NONBLOCK)) { + if (wait_event_interruptible(dev->wait_data, + hdpvr_get_next_buffer(dev))) + return -ERESTARTSYS; + } + + buf = hdpvr_get_next_buffer(dev); + + while (count > 0 && buf) { + + if (buf->status != BUFSTAT_READY && + dev->status != STATUS_DISCONNECTED) { + /* return nonblocking */ + if (file->f_flags & O_NONBLOCK) { + if (!ret) + ret = -EAGAIN; + goto err; + } + + if (wait_event_interruptible(dev->wait_data, + buf->status == BUFSTAT_READY)) { + ret = -ERESTARTSYS; + goto err; + } + } + + if (buf->status != BUFSTAT_READY) + break; + + /* set remaining bytes to copy */ + urb = buf->urb; + rem = urb->actual_length - buf->pos; + cnt = rem > count ? count : rem; + + if (copy_to_user(buffer, urb->transfer_buffer + buf->pos, + cnt)) { + err("read: copy_to_user failed"); + if (!ret) + ret = -EFAULT; + goto err; + } + + buf->pos += cnt; + count -= cnt; + buffer += cnt; + ret += cnt; + + /* finished, take next buffer */ + if (buf->pos == urb->actual_length) { + mutex_lock(&dev->io_mutex); + buf->pos = 0; + buf->status = BUFSTAT_AVAILABLE; + + list_move_tail(&buf->buff_list, &dev->free_buff_list); + + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "buffer queue stat: %d free, %d proc\n", + list_size(&dev->free_buff_list), + list_size(&dev->rec_buff_list)); + + mutex_unlock(&dev->io_mutex); + + wake_up_interruptible(&dev->wait_buffer); + + buf = hdpvr_get_next_buffer(dev); + } + } +err: + if (!ret && !buf) + ret = -EAGAIN; + return ret; +} + +static unsigned int hdpvr_poll(struct file *filp, poll_table *wait) +{ + struct hdpvr_fh *fh = (struct hdpvr_fh *)filp->private_data; + struct hdpvr_device *dev = fh->dev; + unsigned int mask = 0; + + mutex_lock(&dev->io_mutex); + + if (video_is_unregistered(dev->video_dev)) + return -EIO; + + if (dev->status == STATUS_IDLE) { + if (hdpvr_start_streaming(dev)) { + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "start_streaming failed"); + dev->status = STATUS_IDLE; + } + + v4l2_dbg(MSG_BUFFER, hdpvr_debug, dev->video_dev, + "buffer queue stat: %d free, %d proc\n", + list_size(&dev->free_buff_list), + list_size(&dev->rec_buff_list)); + } + mutex_unlock(&dev->io_mutex); + + poll_wait(filp, &dev->wait_data, wait); + + mutex_lock(&dev->io_mutex); + if (!list_empty(&dev->rec_buff_list)) { + + struct hdpvr_buffer *buf = list_entry(dev->rec_buff_list.next, + struct hdpvr_buffer, + buff_list); + + if (buf->status == BUFSTAT_READY) + mask |= POLLIN | POLLRDNORM; + } + mutex_unlock(&dev->io_mutex); + + return mask; +} + + +static long hdpvr_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + struct hdpvr_fh *fh = (struct hdpvr_fh *)filp->private_data; + struct hdpvr_device *dev = fh->dev; + int res; + + if (video_is_unregistered(dev->video_dev)) + return -EIO; + + mutex_lock(&dev->io_mutex); + switch (cmd) { + case VIDIOC_TRY_ENCODER_CMD: + case VIDIOC_ENCODER_CMD: { + struct v4l2_encoder_cmd *enc = (struct v4l2_encoder_cmd *)arg; + int try = cmd == VIDIOC_TRY_ENCODER_CMD; + + memset(&enc->raw, 0, sizeof(enc->raw)); + switch (enc->cmd) { + case V4L2_ENC_CMD_START: + enc->flags = 0; + if (try) + return 0; + res = hdpvr_start_streaming(dev); + break; + case V4L2_ENC_CMD_STOP: + if (try) + return 0; + res = hdpvr_stop_streaming(dev); + break; + default: + v4l2_dbg(MSG_INFO, hdpvr_debug, dev->video_dev, + "Unsupported encoder cmd %d\n", enc->cmd); + return -EINVAL; + } + break; + } + default: + res = video_ioctl2(filp, cmd, arg); + } + mutex_unlock(&dev->io_mutex); + return res; +} + +static const struct v4l2_file_operations hdpvr_fops = { + .owner = THIS_MODULE, + .open = hdpvr_open, + .release = hdpvr_release, + .read = hdpvr_read, + .poll = hdpvr_poll, + .unlocked_ioctl = hdpvr_ioctl, +}; + +/*=======================================================================*/ +/* + * V4L2 ioctl handling + */ + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct hdpvr_device *dev = video_drvdata(file); + + strcpy(cap->driver, "hdpvr"); + strcpy(cap->card, "Haupauge HD PVR"); + usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); + cap->version = HDPVR_VERSION; + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_AUDIO | + V4L2_CAP_READWRITE; + return 0; +} + +static int vidioc_s_std(struct file *file, void *private_data, + v4l2_std_id *std) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + u8 std_type = 1; + + if (*std & (V4L2_STD_NTSC | V4L2_STD_PAL_60)) + std_type = 0; + + return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type); +} + +static const char *iname[] = { + [HDPVR_COMPONENT] = "Component", + [HDPVR_SVIDEO] = "S-Video", + [HDPVR_COMPOSITE] = "Composite", +}; + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + unsigned int n; + + n = i->index; + if (n >= HDPVR_VIDEO_INPUTS) + return -EINVAL; + + i->type = V4L2_INPUT_TYPE_CAMERA; + + strncpy(i->name, iname[n], sizeof(i->name) - 1); + i->name[sizeof(i->name) - 1] = '\0'; + + i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; + + i->std = dev->video_dev->tvnorms; + + return 0; +} + +static int vidioc_s_input(struct file *file, void *private_data, + unsigned int index) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int retval; + + if (index >= HDPVR_VIDEO_INPUTS) + return -EINVAL; + + if (dev->status != STATUS_IDLE) + return -EAGAIN; + + retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1); + if (!retval) + dev->options.video_input = index; + + return retval; +} + +static int vidioc_g_input(struct file *file, void *private_data, + unsigned int *index) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + + *index = dev->options.video_input; + return 0; +} + + +static const char *audio_iname[] = { + [HDPVR_RCA_FRONT] = "RCA front", + [HDPVR_RCA_BACK] = "RCA back", + [HDPVR_SPDIF] = "SPDIF", +}; + +static int vidioc_enumaudio(struct file *file, void *priv, + struct v4l2_audio *audio) +{ + unsigned int n; + + n = audio->index; + if (n >= HDPVR_AUDIO_INPUTS) + return -EINVAL; + + audio->capability = V4L2_AUDCAP_STEREO; + + strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1); + audio->name[sizeof(audio->name) - 1] = '\0'; + + return 0; +} + +static int vidioc_s_audio(struct file *file, void *private_data, + struct v4l2_audio *audio) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int retval; + + if (audio->index >= HDPVR_AUDIO_INPUTS) + return -EINVAL; + + if (dev->status != STATUS_IDLE) + return -EAGAIN; + + retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec); + if (!retval) + dev->options.audio_input = audio->index; + + return retval; +} + +static int vidioc_g_audio(struct file *file, void *private_data, + struct v4l2_audio *audio) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + + audio->index = dev->options.audio_input; + audio->capability = V4L2_AUDCAP_STEREO; + strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); + audio->name[sizeof(audio->name) - 1] = '\0'; + return 0; +} + +static const s32 supported_v4l2_ctrls[] = { + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_SHARPNESS, + V4L2_CID_MPEG_AUDIO_ENCODING, + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_CID_MPEG_VIDEO_BITRATE, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, +}; + +static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc, + int ac3) +{ + int err; + + switch (qc->id) { + case V4L2_CID_BRIGHTNESS: + return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86); + case V4L2_CID_CONTRAST: + return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); + case V4L2_CID_SATURATION: + return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); + case V4L2_CID_SHARPNESS: + return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80); + case V4L2_CID_MPEG_AUDIO_ENCODING: + return v4l2_ctrl_query_fill( + qc, V4L2_MPEG_AUDIO_ENCODING_AAC, + ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 + : V4L2_MPEG_AUDIO_ENCODING_AAC, + 1, V4L2_MPEG_AUDIO_ENCODING_AAC); + case V4L2_CID_MPEG_VIDEO_ENCODING: + return v4l2_ctrl_query_fill( + qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); + +/* case V4L2_CID_MPEG_VIDEO_? maybe keyframe interval: */ +/* return v4l2_ctrl_query_fill(qc, 0, 128, 128, 0); */ + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + return v4l2_ctrl_query_fill( + qc, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); + + case V4L2_CID_MPEG_VIDEO_BITRATE: + return v4l2_ctrl_query_fill(qc, 1000000, 13500000, 100000, + 6500000); + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + err = v4l2_ctrl_query_fill(qc, 1100000, 20200000, 100000, + 9000000); + if (!err && opt->bitrate_mode == HDPVR_CONSTANT) + qc->flags |= V4L2_CTRL_FLAG_INACTIVE; + return err; + default: + return -EINVAL; + } +} + +static int vidioc_queryctrl(struct file *file, void *private_data, + struct v4l2_queryctrl *qc) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int i, next; + u32 id = qc->id; + + memset(qc, 0, sizeof(*qc)); + + next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL); + qc->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL; + + for (i = 0; i < ARRAY_SIZE(supported_v4l2_ctrls); i++) { + if (next) { + if (qc->id < supported_v4l2_ctrls[i]) + qc->id = supported_v4l2_ctrls[i]; + else + continue; + } + + if (qc->id == supported_v4l2_ctrls[i]) + return fill_queryctrl(&dev->options, qc, + dev->flags & HDPVR_FLAG_AC3_CAP); + + if (qc->id < supported_v4l2_ctrls[i]) + break; + } + + return -EINVAL; +} + +static int vidioc_g_ctrl(struct file *file, void *private_data, + struct v4l2_control *ctrl) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = dev->options.brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = dev->options.contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = dev->options.saturation; + break; + case V4L2_CID_HUE: + ctrl->value = dev->options.hue; + break; + case V4L2_CID_SHARPNESS: + ctrl->value = dev->options.sharpness; + break; + default: + return -EINVAL; + } + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *private_data, + struct v4l2_control *ctrl) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int retval; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + retval = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->value); + if (!retval) + dev->options.brightness = ctrl->value; + break; + case V4L2_CID_CONTRAST: + retval = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->value); + if (!retval) + dev->options.contrast = ctrl->value; + break; + case V4L2_CID_SATURATION: + retval = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->value); + if (!retval) + dev->options.saturation = ctrl->value; + break; + case V4L2_CID_HUE: + retval = hdpvr_config_call(dev, CTRL_HUE, ctrl->value); + if (!retval) + dev->options.hue = ctrl->value; + break; + case V4L2_CID_SHARPNESS: + retval = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->value); + if (!retval) + dev->options.sharpness = ctrl->value; + break; + default: + return -EINVAL; + } + + return retval; +} + + +static int hdpvr_get_ctrl(struct hdpvr_options *opt, + struct v4l2_ext_control *ctrl) +{ + switch (ctrl->id) { + case V4L2_CID_MPEG_AUDIO_ENCODING: + ctrl->value = opt->audio_codec; + break; + case V4L2_CID_MPEG_VIDEO_ENCODING: + ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC; + break; +/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ +/* ctrl->value = (opt->gop_mode & 0x2) ? 0 : 128; */ +/* break; */ + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + ctrl->value = opt->bitrate_mode == HDPVR_CONSTANT + ? V4L2_MPEG_VIDEO_BITRATE_MODE_CBR + : V4L2_MPEG_VIDEO_BITRATE_MODE_VBR; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE: + ctrl->value = opt->bitrate * 100000; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + ctrl->value = opt->peak_bitrate * 100000; + break; + case V4L2_CID_MPEG_STREAM_TYPE: + ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS; + break; + default: + return -EINVAL; + } + return 0; +} + +static int vidioc_g_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = hdpvr_get_ctrl(&dev->options, ctrl); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + + } + + return -EINVAL; +} + + +static int hdpvr_try_ctrl(struct v4l2_ext_control *ctrl, int ac3) +{ + int ret = -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_MPEG_AUDIO_ENCODING: + if (ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AAC || + (ac3 && ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AC3)) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_ENCODING: + if (ctrl->value == V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC) + ret = 0; + break; +/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ +/* if (ctrl->value == 0 || ctrl->value == 128) */ +/* ret = 0; */ +/* break; */ + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR || + ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) + ret = 0; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE: + { + uint bitrate = ctrl->value / 100000; + if (bitrate >= 10 && bitrate <= 135) + ret = 0; + break; + } + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + { + uint peak_bitrate = ctrl->value / 100000; + if (peak_bitrate >= 10 && peak_bitrate <= 202) + ret = 0; + break; + } + case V4L2_CID_MPEG_STREAM_TYPE: + if (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS) + ret = 0; + break; + default: + return -EINVAL; + } + return 0; +} + +static int vidioc_try_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = hdpvr_try_ctrl(ctrl, + dev->flags & HDPVR_FLAG_AC3_CAP); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + } + + return -EINVAL; +} + + +static int hdpvr_set_ctrl(struct hdpvr_device *dev, + struct v4l2_ext_control *ctrl) +{ + struct hdpvr_options *opt = &dev->options; + int ret = 0; + + switch (ctrl->id) { + case V4L2_CID_MPEG_AUDIO_ENCODING: + if (dev->flags & HDPVR_FLAG_AC3_CAP) { + opt->audio_codec = ctrl->value; + ret = hdpvr_set_audio(dev, opt->audio_input, + opt->audio_codec); + } + break; + case V4L2_CID_MPEG_VIDEO_ENCODING: + break; +/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */ +/* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */ +/* opt->gop_mode |= 0x2; */ +/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ +/* opt->gop_mode); */ +/* } */ +/* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */ +/* opt->gop_mode &= ~0x2; */ +/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */ +/* opt->gop_mode); */ +/* } */ +/* break; */ + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR && + opt->bitrate_mode != HDPVR_CONSTANT) { + opt->bitrate_mode = HDPVR_CONSTANT; + hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, + opt->bitrate_mode); + } + if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR && + opt->bitrate_mode == HDPVR_CONSTANT) { + opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE; + hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE, + opt->bitrate_mode); + } + break; + case V4L2_CID_MPEG_VIDEO_BITRATE: { + uint bitrate = ctrl->value / 100000; + + opt->bitrate = bitrate; + if (bitrate >= opt->peak_bitrate) + opt->peak_bitrate = bitrate+1; + + hdpvr_set_bitrate(dev); + break; + } + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: { + uint peak_bitrate = ctrl->value / 100000; + + if (opt->bitrate_mode == HDPVR_CONSTANT) + break; + + if (opt->bitrate < peak_bitrate) { + opt->peak_bitrate = peak_bitrate; + hdpvr_set_bitrate(dev); + } else + ret = -EINVAL; + break; + } + case V4L2_CID_MPEG_STREAM_TYPE: + break; + default: + return -EINVAL; + } + return ret; +} + +static int vidioc_s_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + int i, err = 0; + + if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = ctrls->controls + i; + + err = hdpvr_try_ctrl(ctrl, + dev->flags & HDPVR_FLAG_AC3_CAP); + if (err) { + ctrls->error_idx = i; + break; + } + err = hdpvr_set_ctrl(dev, ctrl); + if (err) { + ctrls->error_idx = i; + break; + } + } + return err; + + } + + return -EINVAL; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, + struct v4l2_fmtdesc *f) +{ + + if (f->index != 0 || f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + f->flags = V4L2_FMT_FLAG_COMPRESSED; + strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32); + f->pixelformat = V4L2_PIX_FMT_MPEG; + + return 0; +} + +static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data, + struct v4l2_format *f) +{ + struct hdpvr_fh *fh = file->private_data; + struct hdpvr_device *dev = fh->dev; + struct hdpvr_video_info *vid_info; + + if (!dev) + return -ENODEV; + + vid_info = get_video_info(dev); + if (!vid_info) + return -EFAULT; + + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.width = vid_info->width; + f->fmt.pix.height = vid_info->height; + f->fmt.pix.sizeimage = dev->bulk_in_size; + f->fmt.pix.colorspace = 0; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.field = V4L2_FIELD_ANY; + + kfree(vid_info); + return 0; +} + + +static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_s_std = vidioc_s_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_enumaudio = vidioc_enumaudio, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_s_audio = vidioc_s_audio, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, + .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, + .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, +}; + +static void hdpvr_device_release(struct video_device *vdev) +{ + struct hdpvr_device *dev = video_get_drvdata(vdev); + + hdpvr_delete(dev); +} + +static const struct video_device hdpvr_video_template = { +/* .type = VFL_TYPE_GRABBER, */ +/* .type2 = VID_TYPE_CAPTURE | VID_TYPE_MPEG_ENCODER, */ + .fops = &hdpvr_fops, + .release = hdpvr_device_release, + .ioctl_ops = &hdpvr_ioctl_ops, + .tvnorms = + V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_B | + V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I | + V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N | + V4L2_STD_PAL_60, +}; + +int hdpvr_register_videodev(struct hdpvr_device *dev, int devnum) +{ + /* setup and register video device */ + dev->video_dev = video_device_alloc(); + if (!dev->video_dev) { + err("video_device_alloc() failed"); + goto error; + } + + *(dev->video_dev) = hdpvr_video_template; + strcpy(dev->video_dev->name, "Hauppauge HD PVR"); + dev->video_dev->parent = &dev->udev->dev; + video_set_drvdata(dev->video_dev, dev); + + if (video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum)) { + err("V4L2 device registration failed"); + goto error; + } + + return 0; +error: + return -ENOMEM; +} diff --git a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h new file mode 100644 index 00000000000..17db74feb88 --- /dev/null +++ b/drivers/media/video/hdpvr/hdpvr.h @@ -0,0 +1,298 @@ +/* + * Hauppage HD PVR USB driver + * + * Copyright (C) 2008 Janne Grunau (j@jannau.net) + * + * 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, version 2. + * + */ + +#include <linux/usb.h> +#include <linux/i2c.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> +#include <linux/videodev2.h> + +#define HDPVR_MAJOR_VERSION 0 +#define HDPVR_MINOR_VERSION 2 +#define HDPVR_RELEASE 0 +#define HDPVR_VERSION \ + KERNEL_VERSION(HDPVR_MAJOR_VERSION, HDPVR_MINOR_VERSION, HDPVR_RELEASE) + +#define HDPVR_MAX 8 + +/* Define these values to match your devices */ +#define HD_PVR_VENDOR_ID 0x2040 +#define HD_PVR_PRODUCT_ID 0x4900 +#define HD_PVR_PRODUCT_ID1 0x4901 +#define HD_PVR_PRODUCT_ID2 0x4902 + +#define UNSET (-1U) + +#define NUM_BUFFERS 64 + +#define HDPVR_FIRMWARE_VERSION 0x8 +#define HDPVR_FIRMWARE_VERSION_AC3 0xd + +/* #define HDPVR_DEBUG */ + +extern int hdpvr_debug; + +#define MSG_INFO 1 +#define MSG_BUFFER 2 + +struct hdpvr_options { + u8 video_std; + u8 video_input; + u8 audio_input; + u8 bitrate; /* in 100kbps */ + u8 peak_bitrate; /* in 100kbps */ + u8 bitrate_mode; + u8 gop_mode; + enum v4l2_mpeg_audio_encoding audio_codec; + u8 brightness; + u8 contrast; + u8 hue; + u8 saturation; + u8 sharpness; +}; + +/* Structure to hold all of our device specific stuff */ +struct hdpvr_device { + /* the v4l device for this device */ + struct video_device *video_dev; + /* the usb device for this device */ + struct usb_device *udev; + + /* the max packet size of the bulk endpoint */ + size_t bulk_in_size; + /* the address of the bulk in endpoint */ + __u8 bulk_in_endpointAddr; + + /* holds the current device status */ + __u8 status; + /* count the number of openers */ + uint open_count; + + /* holds the cureent set options */ + struct hdpvr_options options; + + uint flags; + + /* synchronize I/O */ + struct mutex io_mutex; + /* available buffers */ + struct list_head free_buff_list; + /* in progress buffers */ + struct list_head rec_buff_list; + /* waitqueue for buffers */ + wait_queue_head_t wait_buffer; + /* waitqueue for data */ + wait_queue_head_t wait_data; + /**/ + struct workqueue_struct *workqueue; + /**/ + struct work_struct worker; + + /* I2C adapter */ + struct i2c_adapter *i2c_adapter; + /* I2C lock */ + struct mutex i2c_mutex; + + /* usb control transfer buffer and lock */ + struct mutex usbc_mutex; + u8 *usbc_buf; +}; + + +/* buffer one bulk urb of data */ +struct hdpvr_buffer { + struct list_head buff_list; + + struct urb *urb; + + struct hdpvr_device *dev; + + uint pos; + + __u8 status; +}; + +/* */ + +struct hdpvr_video_info { + u16 width; + u16 height; + u8 fps; +}; + +enum { + STATUS_UNINITIALIZED = 0, + STATUS_IDLE, + STATUS_STARTING, + STATUS_SHUTTING_DOWN, + STATUS_STREAMING, + STATUS_ERROR, + STATUS_DISCONNECTED, +}; + +enum { + HDPVR_FLAG_AC3_CAP = 1, +}; + +enum { + BUFSTAT_UNINITIALIZED = 0, + BUFSTAT_AVAILABLE, + BUFSTAT_INPROGRESS, + BUFSTAT_READY, +}; + +#define CTRL_START_STREAMING_VALUE 0x0700 +#define CTRL_STOP_STREAMING_VALUE 0x0800 +#define CTRL_BITRATE_VALUE 0x1000 +#define CTRL_BITRATE_MODE_VALUE 0x1200 +#define CTRL_GOP_MODE_VALUE 0x1300 +#define CTRL_VIDEO_INPUT_VALUE 0x1500 +#define CTRL_VIDEO_STD_TYPE 0x1700 +#define CTRL_AUDIO_INPUT_VALUE 0x2500 +#define CTRL_BRIGHTNESS 0x2900 +#define CTRL_CONTRAST 0x2a00 +#define CTRL_HUE 0x2b00 +#define CTRL_SATURATION 0x2c00 +#define CTRL_SHARPNESS 0x2d00 +#define CTRL_LOW_PASS_FILTER_VALUE 0x3100 + +#define CTRL_DEFAULT_INDEX 0x0003 + + + /* :0 s 38 01 1000 0003 0004 4 = 0a00ca00 + * BITRATE SETTING + * 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s + * min: 1 mbit/s, max: 13.5 mbit/s + * 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s + * min: average + 100kbit/s, + * max: 20.2 mbit/s + */ + + /* :0 s 38 01 1200 0003 0001 1 = 02 + * BIT RATE MODE + * constant = 1, variable (peak) = 2, variable (average) = 3 + */ + + /* :0 s 38 01 1300 0003 0001 1 = 03 + * GOP MODE (2 bit) + * low bit 0/1: advanced/simple GOP + * high bit 0/1: IDR(4/32/128) / no IDR (4/32/0) + */ + + /* :0 s 38 01 1700 0003 0001 1 = 00 + * VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz + */ + + /* :0 s 38 01 3100 0003 0004 4 = 03030000 + * FILTER CONTROL + * 1st byte luma low pass filter strength, + * 2nd byte chroma low pass filter strength, + * 3rd byte MF enable chroma, min=0, max=1 + * 4th byte n + */ + + + /* :0 s 38 b9 0001 0000 0000 0 */ + + + +/* :0 s 38 d3 0000 0000 0001 1 = 00 */ +/* ret = usb_control_msg(dev->udev, */ +/* usb_sndctrlpipe(dev->udev, 0), */ +/* 0xd3, 0x38, */ +/* 0, 0, */ +/* "\0", 1, */ +/* 1000); */ + +/* info("control request returned %d", ret); */ +/* msleep(5000); */ + + + /* :0 s b8 81 1400 0003 0005 5 < + * :0 0 5 = d0024002 19 + * QUERY FRAME SIZE AND RATE + * 1st and 2nd byte (little endian): horizontal resolution + * 3rd and 4th byte (little endian): vertical resolution + * 5th byte: frame rate + */ + + /* :0 s b8 81 1800 0003 0003 3 < + * :0 0 3 = 030104 + * QUERY SIGNAL AND DETECTED LINES, maybe INPUT + */ + +enum hdpvr_video_std { + HDPVR_60HZ = 0, + HDPVR_50HZ, +}; + +enum hdpvr_video_input { + HDPVR_COMPONENT = 0, + HDPVR_SVIDEO, + HDPVR_COMPOSITE, + HDPVR_VIDEO_INPUTS +}; + +enum hdpvr_audio_inputs { + HDPVR_RCA_BACK = 0, + HDPVR_RCA_FRONT, + HDPVR_SPDIF, + HDPVR_AUDIO_INPUTS +}; + +enum hdpvr_bitrate_mode { + HDPVR_CONSTANT = 1, + HDPVR_VARIABLE_PEAK, + HDPVR_VARIABLE_AVERAGE, +}; + +enum hdpvr_gop_mode { + HDPVR_ADVANCED_IDR_GOP = 0, + HDPVR_SIMPLE_IDR_GOP, + HDPVR_ADVANCED_NOIDR_GOP, + HDPVR_SIMPLE_NOIDR_GOP, +}; + +void hdpvr_delete(struct hdpvr_device *dev); + +/*========================================================================*/ +/* hardware control functions */ +int hdpvr_set_options(struct hdpvr_device *dev); + +int hdpvr_set_bitrate(struct hdpvr_device *dev); + +int hdpvr_set_audio(struct hdpvr_device *dev, u8 input, + enum v4l2_mpeg_audio_encoding codec); + +int hdpvr_config_call(struct hdpvr_device *dev, uint value, + unsigned char valbuf); + +struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev); + +/* :0 s b8 81 1800 0003 0003 3 < */ +/* :0 0 3 = 0301ff */ +int get_input_lines_info(struct hdpvr_device *dev); + + +/*========================================================================*/ +/* v4l2 registration */ +int hdpvr_register_videodev(struct hdpvr_device *dev, int devnumber); + +int hdpvr_cancel_queue(struct hdpvr_device *dev); + +/*========================================================================*/ +/* i2c adapter registration */ +int hdpvr_register_i2c_adapter(struct hdpvr_device *dev); + +/*========================================================================*/ +/* buffer management */ +int hdpvr_free_buffers(struct hdpvr_device *dev); +int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count); |