diff options
Diffstat (limited to 'drivers/media/video/hdpvr/hdpvr-core.c')
| -rw-r--r-- | drivers/media/video/hdpvr/hdpvr-core.c | 460 |
1 files changed, 0 insertions, 460 deletions
diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c deleted file mode 100644 index e5eb56a5b61..00000000000 --- a/drivers/media/video/hdpvr/hdpvr-core.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * Hauppauge 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 <linux/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"); - -static 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"); - -static 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 bool 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) }, - { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID3) }, - { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID4) }, - { } /* 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) { - v4l2_err(&dev->v4l2_dev, "Out of memory\n"); - return retval; - } -#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) { - v4l2_err(&dev->v4l2_dev, - "unexpected answer of status request, len %d\n", ret); - goto unlock; - } -#ifdef HDPVR_DEBUG - else { - hex_dump_to_buffer(dev->usbc_buf, 46, 16, 1, print_buf, - 5*buf_size+1, 0); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, - "Status request returned, len %d: %s\n", - ret, print_buf); - } -#endif - - v4l2_info(&dev->v4l2_dev, "firmware version 0x%x dated %s\n", - dev->usbc_buf[1], &dev->usbc_buf[2]); - - switch (dev->usbc_buf[1]) { - case HDPVR_FIRMWARE_VERSION: - dev->flags &= ~HDPVR_FLAG_AC3_CAP; - break; - case HDPVR_FIRMWARE_VERSION_AC3: - case HDPVR_FIRMWARE_VERSION_0X12: - case HDPVR_FIRMWARE_VERSION_0X15: - dev->flags |= HDPVR_FLAG_AC3_CAP; - break; - default: - v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might" - " not work.\n"); - if (dev->usbc_buf[1] >= HDPVR_FIRMWARE_VERSION_AC3) - dev->flags |= HDPVR_FLAG_AC3_CAP; - else - dev->flags &= ~HDPVR_FLAG_AC3_CAP; - } - - response = dev->usbc_buf+38; -#ifdef HDPVR_DEBUG - hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, "challenge: %s\n", - print_buf); -#endif - challenge(response); -#ifdef HDPVR_DEBUG - hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_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); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, - "magic request returned %d\n", ret); - - retval = ret != 8; -unlock: - mutex_unlock(&dev->usbc_mutex); - 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); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, - "control request returned %d\n", ret); - mutex_unlock(&dev->usbc_mutex); - - vidinf = get_video_info(dev); - if (!vidinf) - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_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); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_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); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_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; - struct i2c_client *client; - 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; - } - - dev->workqueue = 0; - - /* register v4l2_device early so it can be used for printks */ - if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) { - err("v4l2_device_register failed"); - 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) { - v4l2_err(&dev->v4l2_dev, "Out of memory\n"); - 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; - if (default_audio_input == HDPVR_SPDIF) - dev->options.audio_codec = - V4L2_MPEG_AUDIO_ENCODING_AC3; - } - - 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) { - v4l2_err(&dev->v4l2_dev, "Could not find bulk-in endpoint\n"); - goto error; - } - - /* init the device */ - if (hdpvr_device_init(dev)) { - v4l2_err(&dev->v4l2_dev, "device init failed\n"); - goto error; - } - - mutex_lock(&dev->io_mutex); - if (hdpvr_alloc_buffers(dev, NUM_BUFFERS)) { - mutex_unlock(&dev->io_mutex); - v4l2_err(&dev->v4l2_dev, - "allocating transfer buffers failed\n"); - goto error; - } - mutex_unlock(&dev->io_mutex); - - if (hdpvr_register_videodev(dev, &interface->dev, - video_nr[atomic_inc_return(&dev_nr)])) { - v4l2_err(&dev->v4l2_dev, "registering videodev failed\n"); - goto error; - } - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - retval = hdpvr_register_i2c_adapter(dev); - if (retval < 0) { - v4l2_err(&dev->v4l2_dev, "i2c adapter register failed\n"); - goto error; - } - - client = hdpvr_register_ir_rx_i2c(dev); - if (!client) { - v4l2_err(&dev->v4l2_dev, "i2c IR RX device register failed\n"); - goto reg_fail; - } - - client = hdpvr_register_ir_tx_i2c(dev); - if (!client) { - v4l2_err(&dev->v4l2_dev, "i2c IR TX device register failed\n"); - goto reg_fail; - } -#endif - - /* let the user know what node this device is now attached to */ - v4l2_info(&dev->v4l2_dev, "device now attached to %s\n", - video_device_node_name(dev->video_dev)); - return 0; - -reg_fail: -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_adapter(&dev->i2c_adapter); -#endif -error: - if (dev) { - /* Destroy single thread */ - if (dev->workqueue) - destroy_workqueue(dev->workqueue); - /* this frees allocated memory */ - hdpvr_delete(dev); - } - return retval; -} - -static void hdpvr_disconnect(struct usb_interface *interface) -{ - struct hdpvr_device *dev = to_hdpvr_dev(usb_get_intfdata(interface)); - - v4l2_info(&dev->v4l2_dev, "device %s disconnected\n", - video_device_node_name(dev->video_dev)); - /* prevent more I/O from starting and stop any ongoing */ - mutex_lock(&dev->io_mutex); - dev->status = STATUS_DISCONNECTED; - wake_up_interruptible(&dev->wait_data); - wake_up_interruptible(&dev->wait_buffer); - mutex_unlock(&dev->io_mutex); - v4l2_device_disconnect(&dev->v4l2_dev); - msleep(100); - flush_workqueue(dev->workqueue); - mutex_lock(&dev->io_mutex); - hdpvr_cancel_queue(dev); - mutex_unlock(&dev->io_mutex); -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_adapter(&dev->i2c_adapter); -#endif - video_unregister_device(dev->video_dev); - atomic_dec(&dev_nr); -} - - -static struct usb_driver hdpvr_usb_driver = { - .name = "hdpvr", - .probe = hdpvr_probe, - .disconnect = hdpvr_disconnect, - .id_table = hdpvr_table, -}; - -module_usb_driver(hdpvr_usb_driver); - -MODULE_LICENSE("GPL"); -MODULE_VERSION("0.2.1"); -MODULE_AUTHOR("Janne Grunau"); -MODULE_DESCRIPTION("Hauppauge HD PVR driver"); |