Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 1 | /* |
Janne Grunau | e86da6f | 2009-03-19 19:00:35 -0300 | [diff] [blame] | 2 | * Hauppauge HD PVR USB driver |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) |
| 5 | * Copyright (C) 2008 Janne Grunau (j@jannau.net) |
| 6 | * Copyright (C) 2008 John Poet |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation, version 2. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/errno.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/slab.h> |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/uaccess.h> |
Arun Sharma | 60063497 | 2011-07-26 16:09:06 -0700 | [diff] [blame] | 20 | #include <linux/atomic.h> |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 21 | #include <linux/usb.h> |
| 22 | #include <linux/mutex.h> |
| 23 | #include <linux/i2c.h> |
| 24 | |
| 25 | #include <linux/videodev2.h> |
| 26 | #include <media/v4l2-dev.h> |
| 27 | #include <media/v4l2-common.h> |
| 28 | |
| 29 | #include "hdpvr.h" |
| 30 | |
| 31 | static int video_nr[HDPVR_MAX] = {[0 ... (HDPVR_MAX - 1)] = UNSET}; |
| 32 | module_param_array(video_nr, int, NULL, 0); |
| 33 | MODULE_PARM_DESC(video_nr, "video device number (-1=Auto)"); |
| 34 | |
| 35 | /* holds the number of currently registered devices */ |
| 36 | static atomic_t dev_nr = ATOMIC_INIT(-1); |
| 37 | |
| 38 | int hdpvr_debug; |
| 39 | module_param(hdpvr_debug, int, S_IRUGO|S_IWUSR); |
| 40 | MODULE_PARM_DESC(hdpvr_debug, "enable debugging output"); |
| 41 | |
Márton Németh | b38aa09 | 2010-01-29 17:30:53 -0300 | [diff] [blame] | 42 | static uint default_video_input = HDPVR_VIDEO_INPUTS; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 43 | module_param(default_video_input, uint, S_IRUGO|S_IWUSR); |
| 44 | MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / " |
| 45 | "1=S-Video / 2=Composite"); |
| 46 | |
Márton Németh | b38aa09 | 2010-01-29 17:30:53 -0300 | [diff] [blame] | 47 | static uint default_audio_input = HDPVR_AUDIO_INPUTS; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 48 | module_param(default_audio_input, uint, S_IRUGO|S_IWUSR); |
| 49 | MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / " |
| 50 | "1=RCA front / 2=S/PDIF"); |
| 51 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 52 | static bool boost_audio; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 53 | module_param(boost_audio, bool, S_IRUGO|S_IWUSR); |
| 54 | MODULE_PARM_DESC(boost_audio, "boost the audio signal"); |
| 55 | |
| 56 | |
| 57 | /* table of devices that work with this driver */ |
| 58 | static struct usb_device_id hdpvr_table[] = { |
| 59 | { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID) }, |
| 60 | { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID1) }, |
| 61 | { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID2) }, |
Janne Grunau | c22425f | 2010-02-03 15:51:23 +0100 | [diff] [blame] | 62 | { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID3) }, |
Janne Grunau | e902a68 | 2010-10-11 10:29:36 -0300 | [diff] [blame] | 63 | { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID4) }, |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 64 | { } /* Terminating entry */ |
| 65 | }; |
| 66 | MODULE_DEVICE_TABLE(usb, hdpvr_table); |
| 67 | |
| 68 | |
| 69 | void hdpvr_delete(struct hdpvr_device *dev) |
| 70 | { |
| 71 | hdpvr_free_buffers(dev); |
| 72 | |
| 73 | if (dev->video_dev) |
| 74 | video_device_release(dev->video_dev); |
| 75 | |
| 76 | usb_put_dev(dev->udev); |
| 77 | } |
| 78 | |
| 79 | static void challenge(u8 *bytes) |
| 80 | { |
Hans Verkuil | c8e479c | 2013-10-04 11:01:39 -0300 | [diff] [blame] | 81 | __le64 *i64P; |
| 82 | u64 tmp64; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 83 | uint i, idx; |
| 84 | |
| 85 | for (idx = 0; idx < 32; ++idx) { |
| 86 | |
| 87 | if (idx & 0x3) |
| 88 | bytes[(idx >> 3) + 3] = bytes[(idx >> 2) & 0x3]; |
| 89 | |
| 90 | switch (idx & 0x3) { |
| 91 | case 0x3: |
| 92 | bytes[2] += bytes[3] * 4 + bytes[4] + bytes[5]; |
| 93 | bytes[4] += bytes[(idx & 0x1) * 2] * 9 + 9; |
| 94 | break; |
| 95 | case 0x1: |
| 96 | bytes[0] *= 8; |
| 97 | bytes[0] += 7*idx + 4; |
| 98 | bytes[6] += bytes[3] * 3; |
| 99 | break; |
| 100 | case 0x0: |
| 101 | bytes[3 - (idx >> 3)] = bytes[idx >> 2]; |
| 102 | bytes[5] += bytes[6] * 3; |
| 103 | for (i = 0; i < 3; i++) |
| 104 | bytes[3] *= bytes[3] + 1; |
| 105 | break; |
| 106 | case 0x2: |
| 107 | for (i = 0; i < 3; i++) |
| 108 | bytes[1] *= bytes[6] + 1; |
| 109 | for (i = 0; i < 3; i++) { |
Hans Verkuil | c8e479c | 2013-10-04 11:01:39 -0300 | [diff] [blame] | 110 | i64P = (__le64 *)bytes; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 111 | tmp64 = le64_to_cpup(i64P); |
Hans Verkuil | c8e479c | 2013-10-04 11:01:39 -0300 | [diff] [blame] | 112 | tmp64 = tmp64 + (tmp64 << (bytes[7] & 0x0f)); |
| 113 | *i64P = cpu_to_le64(tmp64); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 114 | } |
| 115 | break; |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | /* try to init the device like the windows driver */ |
| 121 | static int device_authorization(struct hdpvr_device *dev) |
| 122 | { |
| 123 | |
| 124 | int ret, retval = -ENOMEM; |
| 125 | char request_type = 0x38, rcv_request = 0x81; |
| 126 | char *response; |
| 127 | #ifdef HDPVR_DEBUG |
| 128 | size_t buf_size = 46; |
| 129 | char *print_buf = kzalloc(5*buf_size+1, GFP_KERNEL); |
| 130 | if (!print_buf) { |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 131 | v4l2_err(&dev->v4l2_dev, "Out of memory\n"); |
Jiri Slaby | 00c1e21 | 2009-07-30 20:00:44 -0300 | [diff] [blame] | 132 | return retval; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 133 | } |
| 134 | #endif |
| 135 | |
| 136 | mutex_lock(&dev->usbc_mutex); |
| 137 | ret = usb_control_msg(dev->udev, |
| 138 | usb_rcvctrlpipe(dev->udev, 0), |
| 139 | rcv_request, 0x80 | request_type, |
| 140 | 0x0400, 0x0003, |
| 141 | dev->usbc_buf, 46, |
| 142 | 10000); |
| 143 | if (ret != 46) { |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 144 | v4l2_err(&dev->v4l2_dev, |
| 145 | "unexpected answer of status request, len %d\n", ret); |
Jiri Slaby | 00c1e21 | 2009-07-30 20:00:44 -0300 | [diff] [blame] | 146 | goto unlock; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 147 | } |
| 148 | #ifdef HDPVR_DEBUG |
| 149 | else { |
| 150 | hex_dump_to_buffer(dev->usbc_buf, 46, 16, 1, print_buf, |
Julia Lawall | 9518f17 | 2009-12-13 08:41:12 -0300 | [diff] [blame] | 151 | 5*buf_size+1, 0); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 152 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
| 153 | "Status request returned, len %d: %s\n", |
| 154 | ret, print_buf); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 155 | } |
| 156 | #endif |
Alan Young | 74a558b | 2010-07-26 08:30:06 -0300 | [diff] [blame] | 157 | |
Taylor Ralph | fda2787 | 2011-10-20 23:33:23 -0300 | [diff] [blame] | 158 | dev->fw_ver = dev->usbc_buf[1]; |
Alan Young | 74a558b | 2010-07-26 08:30:06 -0300 | [diff] [blame] | 159 | |
Taylor Ralph | fda2787 | 2011-10-20 23:33:23 -0300 | [diff] [blame] | 160 | v4l2_info(&dev->v4l2_dev, "firmware version 0x%x dated %s\n", |
| 161 | dev->fw_ver, &dev->usbc_buf[2]); |
| 162 | |
| 163 | if (dev->fw_ver > 0x15) { |
| 164 | dev->options.brightness = 0x80; |
| 165 | dev->options.contrast = 0x40; |
| 166 | dev->options.hue = 0xf; |
| 167 | dev->options.saturation = 0x40; |
| 168 | dev->options.sharpness = 0x80; |
| 169 | } |
| 170 | |
| 171 | switch (dev->fw_ver) { |
Janne Grunau | 35b5366 | 2010-07-27 11:03:35 -0300 | [diff] [blame] | 172 | case HDPVR_FIRMWARE_VERSION: |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 173 | dev->flags &= ~HDPVR_FLAG_AC3_CAP; |
Janne Grunau | 35b5366 | 2010-07-27 11:03:35 -0300 | [diff] [blame] | 174 | break; |
| 175 | case HDPVR_FIRMWARE_VERSION_AC3: |
| 176 | case HDPVR_FIRMWARE_VERSION_0X12: |
| 177 | case HDPVR_FIRMWARE_VERSION_0X15: |
Hans Verkuil | c7a2c84 | 2013-03-20 04:23:51 -0300 | [diff] [blame] | 178 | case HDPVR_FIRMWARE_VERSION_0X1E: |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 179 | dev->flags |= HDPVR_FLAG_AC3_CAP; |
Janne Grunau | 35b5366 | 2010-07-27 11:03:35 -0300 | [diff] [blame] | 180 | break; |
| 181 | default: |
| 182 | v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might" |
| 183 | " not work.\n"); |
Taylor Ralph | fda2787 | 2011-10-20 23:33:23 -0300 | [diff] [blame] | 184 | if (dev->fw_ver >= HDPVR_FIRMWARE_VERSION_AC3) |
Janne Grunau | 35b5366 | 2010-07-27 11:03:35 -0300 | [diff] [blame] | 185 | dev->flags |= HDPVR_FLAG_AC3_CAP; |
| 186 | else |
| 187 | dev->flags &= ~HDPVR_FLAG_AC3_CAP; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | response = dev->usbc_buf+38; |
| 191 | #ifdef HDPVR_DEBUG |
Julia Lawall | 9518f17 | 2009-12-13 08:41:12 -0300 | [diff] [blame] | 192 | hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 193 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, "challenge: %s\n", |
| 194 | print_buf); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 195 | #endif |
| 196 | challenge(response); |
| 197 | #ifdef HDPVR_DEBUG |
Julia Lawall | 9518f17 | 2009-12-13 08:41:12 -0300 | [diff] [blame] | 198 | hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 199 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, " response: %s\n", |
| 200 | print_buf); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 201 | #endif |
| 202 | |
| 203 | msleep(100); |
| 204 | ret = usb_control_msg(dev->udev, |
| 205 | usb_sndctrlpipe(dev->udev, 0), |
| 206 | 0xd1, 0x00 | request_type, |
| 207 | 0x0000, 0x0000, |
| 208 | response, 8, |
| 209 | 10000); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 210 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
| 211 | "magic request returned %d\n", ret); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 212 | |
| 213 | retval = ret != 8; |
Jiri Slaby | 00c1e21 | 2009-07-30 20:00:44 -0300 | [diff] [blame] | 214 | unlock: |
| 215 | mutex_unlock(&dev->usbc_mutex); |
Masanari Iida | 1ba6c90 | 2014-01-17 13:38:00 -0300 | [diff] [blame] | 216 | #ifdef HDPVR_DEBUG |
| 217 | kfree(print_buf); |
| 218 | #endif |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 219 | return retval; |
| 220 | } |
| 221 | |
| 222 | static int hdpvr_device_init(struct hdpvr_device *dev) |
| 223 | { |
| 224 | int ret; |
| 225 | u8 *buf; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 226 | |
| 227 | if (device_authorization(dev)) |
| 228 | return -EACCES; |
| 229 | |
| 230 | /* default options for init */ |
| 231 | hdpvr_set_options(dev); |
| 232 | |
| 233 | /* set filter options */ |
| 234 | mutex_lock(&dev->usbc_mutex); |
| 235 | buf = dev->usbc_buf; |
| 236 | buf[0] = 0x03; buf[1] = 0x03; buf[2] = 0x00; buf[3] = 0x00; |
| 237 | ret = usb_control_msg(dev->udev, |
| 238 | usb_sndctrlpipe(dev->udev, 0), |
| 239 | 0x01, 0x38, |
| 240 | CTRL_LOW_PASS_FILTER_VALUE, CTRL_DEFAULT_INDEX, |
| 241 | buf, 4, |
| 242 | 1000); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 243 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
| 244 | "control request returned %d\n", ret); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 245 | mutex_unlock(&dev->usbc_mutex); |
| 246 | |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 247 | /* enable fan and bling leds */ |
| 248 | mutex_lock(&dev->usbc_mutex); |
| 249 | buf[0] = 0x1; |
| 250 | ret = usb_control_msg(dev->udev, |
| 251 | usb_sndctrlpipe(dev->udev, 0), |
| 252 | 0xd4, 0x38, 0, 0, buf, 1, |
| 253 | 1000); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 254 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
| 255 | "control request returned %d\n", ret); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 256 | |
| 257 | /* boost analog audio */ |
| 258 | buf[0] = boost_audio; |
| 259 | ret = usb_control_msg(dev->udev, |
| 260 | usb_sndctrlpipe(dev->udev, 0), |
| 261 | 0xd5, 0x38, 0, 0, buf, 1, |
| 262 | 1000); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 263 | v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, |
| 264 | "control request returned %d\n", ret); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 265 | mutex_unlock(&dev->usbc_mutex); |
| 266 | |
| 267 | dev->status = STATUS_IDLE; |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | static const struct hdpvr_options hdpvr_default_options = { |
| 272 | .video_std = HDPVR_60HZ, |
| 273 | .video_input = HDPVR_COMPONENT, |
| 274 | .audio_input = HDPVR_RCA_BACK, |
| 275 | .bitrate = 65, /* 6 mbps */ |
| 276 | .peak_bitrate = 90, /* 9 mbps */ |
| 277 | .bitrate_mode = HDPVR_CONSTANT, |
| 278 | .gop_mode = HDPVR_SIMPLE_IDR_GOP, |
| 279 | .audio_codec = V4L2_MPEG_AUDIO_ENCODING_AAC, |
Taylor Ralph | fda2787 | 2011-10-20 23:33:23 -0300 | [diff] [blame] | 280 | /* original picture controls for firmware version <= 0x15 */ |
| 281 | /* updated in device_authorization() for newer firmware */ |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 282 | .brightness = 0x86, |
| 283 | .contrast = 0x80, |
| 284 | .hue = 0x80, |
| 285 | .saturation = 0x80, |
| 286 | .sharpness = 0x80, |
| 287 | }; |
| 288 | |
| 289 | static int hdpvr_probe(struct usb_interface *interface, |
| 290 | const struct usb_device_id *id) |
| 291 | { |
| 292 | struct hdpvr_device *dev; |
| 293 | struct usb_host_interface *iface_desc; |
| 294 | struct usb_endpoint_descriptor *endpoint; |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 295 | struct i2c_client *client; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 296 | size_t buffer_size; |
| 297 | int i; |
| 298 | int retval = -ENOMEM; |
| 299 | |
| 300 | /* allocate memory for our device state and initialize it */ |
| 301 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 302 | if (!dev) { |
Greg Kroah-Hartman | d372c41 | 2012-04-25 14:48:49 -0700 | [diff] [blame] | 303 | dev_err(&interface->dev, "Out of memory\n"); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 304 | goto error; |
| 305 | } |
Janne Grunau | 06630aec9 | 2009-03-27 20:01:40 -0300 | [diff] [blame] | 306 | |
Alexey Khoroshilov | 2e923a0 | 2013-07-03 16:17:34 -0300 | [diff] [blame] | 307 | /* init video transfer queues first of all */ |
| 308 | /* to prevent oops in hdpvr_delete() on error paths */ |
| 309 | INIT_LIST_HEAD(&dev->free_buff_list); |
| 310 | INIT_LIST_HEAD(&dev->rec_buff_list); |
| 311 | |
Janne Grunau | 06630aec9 | 2009-03-27 20:01:40 -0300 | [diff] [blame] | 312 | /* register v4l2_device early so it can be used for printks */ |
| 313 | if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) { |
Greg Kroah-Hartman | d372c41 | 2012-04-25 14:48:49 -0700 | [diff] [blame] | 314 | dev_err(&interface->dev, "v4l2_device_register failed\n"); |
Janne Grunau | 06630aec9 | 2009-03-27 20:01:40 -0300 | [diff] [blame] | 315 | goto error; |
| 316 | } |
| 317 | |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 318 | mutex_init(&dev->io_mutex); |
| 319 | mutex_init(&dev->i2c_mutex); |
| 320 | mutex_init(&dev->usbc_mutex); |
| 321 | dev->usbc_buf = kmalloc(64, GFP_KERNEL); |
| 322 | if (!dev->usbc_buf) { |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 323 | v4l2_err(&dev->v4l2_dev, "Out of memory\n"); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 324 | goto error; |
| 325 | } |
| 326 | |
| 327 | init_waitqueue_head(&dev->wait_buffer); |
| 328 | init_waitqueue_head(&dev->wait_data); |
| 329 | |
| 330 | dev->workqueue = create_singlethread_workqueue("hdpvr_buffer"); |
| 331 | if (!dev->workqueue) |
| 332 | goto error; |
| 333 | |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 334 | dev->options = hdpvr_default_options; |
| 335 | |
| 336 | if (default_video_input < HDPVR_VIDEO_INPUTS) |
| 337 | dev->options.video_input = default_video_input; |
| 338 | |
Janne Grunau | d453333 | 2010-07-27 10:40:43 -0300 | [diff] [blame] | 339 | if (default_audio_input < HDPVR_AUDIO_INPUTS) { |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 340 | dev->options.audio_input = default_audio_input; |
Janne Grunau | d453333 | 2010-07-27 10:40:43 -0300 | [diff] [blame] | 341 | if (default_audio_input == HDPVR_SPDIF) |
| 342 | dev->options.audio_codec = |
| 343 | V4L2_MPEG_AUDIO_ENCODING_AC3; |
| 344 | } |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 345 | |
| 346 | dev->udev = usb_get_dev(interface_to_usbdev(interface)); |
| 347 | |
| 348 | /* set up the endpoint information */ |
| 349 | /* use only the first bulk-in and bulk-out endpoints */ |
| 350 | iface_desc = interface->cur_altsetting; |
| 351 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { |
| 352 | endpoint = &iface_desc->endpoint[i].desc; |
| 353 | |
| 354 | if (!dev->bulk_in_endpointAddr && |
| 355 | usb_endpoint_is_bulk_in(endpoint)) { |
| 356 | /* USB interface description is buggy, reported max |
| 357 | * packet size is 512 bytes, windows driver uses 8192 */ |
| 358 | buffer_size = 8192; |
| 359 | dev->bulk_in_size = buffer_size; |
| 360 | dev->bulk_in_endpointAddr = endpoint->bEndpointAddress; |
| 361 | } |
| 362 | |
| 363 | } |
| 364 | if (!dev->bulk_in_endpointAddr) { |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 365 | v4l2_err(&dev->v4l2_dev, "Could not find bulk-in endpoint\n"); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 366 | goto error; |
| 367 | } |
| 368 | |
| 369 | /* init the device */ |
| 370 | if (hdpvr_device_init(dev)) { |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 371 | v4l2_err(&dev->v4l2_dev, "device init failed\n"); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 372 | goto error; |
| 373 | } |
| 374 | |
| 375 | mutex_lock(&dev->io_mutex); |
| 376 | if (hdpvr_alloc_buffers(dev, NUM_BUFFERS)) { |
Jiri Slaby | 00c1e21 | 2009-07-30 20:00:44 -0300 | [diff] [blame] | 377 | mutex_unlock(&dev->io_mutex); |
Janne Grunau | 9ef77ad | 2009-03-27 20:09:40 -0300 | [diff] [blame] | 378 | v4l2_err(&dev->v4l2_dev, |
| 379 | "allocating transfer buffers failed\n"); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 380 | goto error; |
| 381 | } |
| 382 | mutex_unlock(&dev->io_mutex); |
| 383 | |
Peter Senna Tschudin | 9ecf9b0 | 2013-01-19 19:41:29 -0300 | [diff] [blame] | 384 | #if IS_ENABLED(CONFIG_I2C) |
Jarod Wilson | 324b04b | 2011-01-14 16:25:21 -0300 | [diff] [blame] | 385 | retval = hdpvr_register_i2c_adapter(dev); |
Janne Grunau | c457377 | 2009-03-23 18:18:54 -0300 | [diff] [blame] | 386 | if (retval < 0) { |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 387 | v4l2_err(&dev->v4l2_dev, "i2c adapter register failed\n"); |
Janne Grunau | c457377 | 2009-03-23 18:18:54 -0300 | [diff] [blame] | 388 | goto error; |
| 389 | } |
Andy Walls | ea6c060 | 2010-12-28 22:46:13 -0300 | [diff] [blame] | 390 | |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 391 | client = hdpvr_register_ir_rx_i2c(dev); |
| 392 | if (!client) { |
| 393 | v4l2_err(&dev->v4l2_dev, "i2c IR RX device register failed\n"); |
Peter Senna Tschudin | 304a080 | 2012-09-06 11:23:48 -0300 | [diff] [blame] | 394 | retval = -ENODEV; |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 395 | goto reg_fail; |
| 396 | } |
| 397 | |
| 398 | client = hdpvr_register_ir_tx_i2c(dev); |
| 399 | if (!client) { |
| 400 | v4l2_err(&dev->v4l2_dev, "i2c IR TX device register failed\n"); |
Peter Senna Tschudin | 304a080 | 2012-09-06 11:23:48 -0300 | [diff] [blame] | 401 | retval = -ENODEV; |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 402 | goto reg_fail; |
| 403 | } |
Jarod Wilson | 324b04b | 2011-01-14 16:25:21 -0300 | [diff] [blame] | 404 | #endif |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 405 | |
Hans Verkuil | 280847b | 2013-03-19 09:34:58 -0300 | [diff] [blame] | 406 | retval = hdpvr_register_videodev(dev, &interface->dev, |
| 407 | video_nr[atomic_inc_return(&dev_nr)]); |
| 408 | if (retval < 0) { |
| 409 | v4l2_err(&dev->v4l2_dev, "registering videodev failed\n"); |
Alexey Khoroshilov | 2e923a0 | 2013-07-03 16:17:34 -0300 | [diff] [blame] | 410 | goto reg_fail; |
Hans Verkuil | 280847b | 2013-03-19 09:34:58 -0300 | [diff] [blame] | 411 | } |
| 412 | |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 413 | /* let the user know what node this device is now attached to */ |
Laurent Pinchart | 38c7c03 | 2009-11-27 13:57:15 -0300 | [diff] [blame] | 414 | v4l2_info(&dev->v4l2_dev, "device now attached to %s\n", |
| 415 | video_device_node_name(dev->video_dev)); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 416 | return 0; |
| 417 | |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 418 | reg_fail: |
Peter Senna Tschudin | 9ecf9b0 | 2013-01-19 19:41:29 -0300 | [diff] [blame] | 419 | #if IS_ENABLED(CONFIG_I2C) |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 420 | i2c_del_adapter(&dev->i2c_adapter); |
| 421 | #endif |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 422 | error: |
| 423 | if (dev) { |
Perceval Anichini | 07204ae | 2010-07-05 15:11:51 -0300 | [diff] [blame] | 424 | /* Destroy single thread */ |
| 425 | if (dev->workqueue) |
| 426 | destroy_workqueue(dev->workqueue); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 427 | /* this frees allocated memory */ |
| 428 | hdpvr_delete(dev); |
| 429 | } |
| 430 | return retval; |
| 431 | } |
| 432 | |
| 433 | static void hdpvr_disconnect(struct usb_interface *interface) |
| 434 | { |
Hans Verkuil | f2b305c | 2010-05-02 08:01:04 -0300 | [diff] [blame] | 435 | struct hdpvr_device *dev = to_hdpvr_dev(usb_get_intfdata(interface)); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 436 | |
Hans Verkuil | f2b305c | 2010-05-02 08:01:04 -0300 | [diff] [blame] | 437 | v4l2_info(&dev->v4l2_dev, "device %s disconnected\n", |
| 438 | video_device_node_name(dev->video_dev)); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 439 | /* prevent more I/O from starting and stop any ongoing */ |
| 440 | mutex_lock(&dev->io_mutex); |
| 441 | dev->status = STATUS_DISCONNECTED; |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 442 | wake_up_interruptible(&dev->wait_data); |
| 443 | wake_up_interruptible(&dev->wait_buffer); |
Janne Grunau | 48f98f7 | 2009-03-26 20:56:06 -0300 | [diff] [blame] | 444 | mutex_unlock(&dev->io_mutex); |
Hans Verkuil | f2b305c | 2010-05-02 08:01:04 -0300 | [diff] [blame] | 445 | v4l2_device_disconnect(&dev->v4l2_dev); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 446 | msleep(100); |
| 447 | flush_workqueue(dev->workqueue); |
Janne Grunau | 48f98f7 | 2009-03-26 20:56:06 -0300 | [diff] [blame] | 448 | mutex_lock(&dev->io_mutex); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 449 | hdpvr_cancel_queue(dev); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 450 | mutex_unlock(&dev->io_mutex); |
Peter Senna Tschudin | 9ecf9b0 | 2013-01-19 19:41:29 -0300 | [diff] [blame] | 451 | #if IS_ENABLED(CONFIG_I2C) |
Jarod Wilson | 7f2a06d | 2011-01-19 18:10:14 -0300 | [diff] [blame] | 452 | i2c_del_adapter(&dev->i2c_adapter); |
| 453 | #endif |
Hans Verkuil | f2b305c | 2010-05-02 08:01:04 -0300 | [diff] [blame] | 454 | video_unregister_device(dev->video_dev); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 455 | atomic_dec(&dev_nr); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | |
| 459 | static struct usb_driver hdpvr_usb_driver = { |
| 460 | .name = "hdpvr", |
| 461 | .probe = hdpvr_probe, |
| 462 | .disconnect = hdpvr_disconnect, |
| 463 | .id_table = hdpvr_table, |
| 464 | }; |
| 465 | |
Greg Kroah-Hartman | ecb3b2b | 2011-11-18 09:46:12 -0800 | [diff] [blame] | 466 | module_usb_driver(hdpvr_usb_driver); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 467 | |
| 468 | MODULE_LICENSE("GPL"); |
Mauro Carvalho Chehab | 1990d50 | 2011-06-24 14:45:49 -0300 | [diff] [blame] | 469 | MODULE_VERSION("0.2.1"); |
Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame] | 470 | MODULE_AUTHOR("Janne Grunau"); |
| 471 | MODULE_DESCRIPTION("Hauppauge HD PVR driver"); |