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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:13:22 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 15:25:07 -0400
commit0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch)
treee759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/usb/hdpvr
parent84cfe9e79bd5ac11c963f4841158454fefa872f6 (diff)
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/hdpvr')
-rw-r--r--drivers/media/usb/hdpvr/Kconfig10
-rw-r--r--drivers/media/usb/hdpvr/Makefile7
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-control.c200
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-core.c472
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-i2c.c231
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-video.c1289
-rw-r--r--drivers/media/usb/hdpvr/hdpvr.h317
7 files changed, 2526 insertions, 0 deletions
diff --git a/drivers/media/usb/hdpvr/Kconfig b/drivers/media/usb/hdpvr/Kconfig
new file mode 100644
index 000000000000..de247f3c7d05
--- /dev/null
+++ b/drivers/media/usb/hdpvr/Kconfig
@@ -0,0 +1,10 @@
1
2config VIDEO_HDPVR
3 tristate "Hauppauge HD PVR support"
4 depends on VIDEO_DEV
5 ---help---
6 This is a video4linux driver for Hauppauge's HD PVR USB device.
7
8 To compile this driver as a module, choose M here: the
9 module will be called hdpvr
10
diff --git a/drivers/media/usb/hdpvr/Makefile b/drivers/media/usb/hdpvr/Makefile
new file mode 100644
index 000000000000..52f057f24e39
--- /dev/null
+++ b/drivers/media/usb/hdpvr/Makefile
@@ -0,0 +1,7 @@
1hdpvr-objs := hdpvr-control.o hdpvr-core.o hdpvr-video.o hdpvr-i2c.o
2
3obj-$(CONFIG_VIDEO_HDPVR) += hdpvr.o
4
5ccflags-y += -Idrivers/media/video
6
7ccflags-y += $(extra-cflags-y) $(extra-cflags-m)
diff --git a/drivers/media/usb/hdpvr/hdpvr-control.c b/drivers/media/usb/hdpvr/hdpvr-control.c
new file mode 100644
index 000000000000..ae8f229d1141
--- /dev/null
+++ b/drivers/media/usb/hdpvr/hdpvr-control.c
@@ -0,0 +1,200 @@
1/*
2 * Hauppauge HD PVR USB driver - video 4 linux 2 interface
3 *
4 * Copyright (C) 2008 Janne Grunau (j@jannau.net)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 *
10 */
11
12#include <linux/kernel.h>
13#include <linux/errno.h>
14#include <linux/init.h>
15#include <linux/slab.h>
16#include <linux/module.h>
17#include <linux/usb.h>
18#include <linux/mutex.h>
19
20#include <linux/videodev2.h>
21
22#include <media/v4l2-common.h>
23
24#include "hdpvr.h"
25
26
27int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)
28{
29 int ret;
30 char request_type = 0x38, snd_request = 0x01;
31
32 mutex_lock(&dev->usbc_mutex);
33 dev->usbc_buf[0] = valbuf;
34 ret = usb_control_msg(dev->udev,
35 usb_sndctrlpipe(dev->udev, 0),
36 snd_request, 0x00 | request_type,
37 value, CTRL_DEFAULT_INDEX,
38 dev->usbc_buf, 1, 10000);
39
40 mutex_unlock(&dev->usbc_mutex);
41 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
42 "config call request for value 0x%x returned %d\n", value,
43 ret);
44
45 return ret < 0 ? ret : 0;
46}
47
48struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev)
49{
50 struct hdpvr_video_info *vidinf = NULL;
51#ifdef HDPVR_DEBUG
52 char print_buf[15];
53#endif
54 int ret;
55
56 vidinf = kzalloc(sizeof(struct hdpvr_video_info), GFP_KERNEL);
57 if (!vidinf) {
58 v4l2_err(&dev->v4l2_dev, "out of memory\n");
59 goto err;
60 }
61
62 mutex_lock(&dev->usbc_mutex);
63 ret = usb_control_msg(dev->udev,
64 usb_rcvctrlpipe(dev->udev, 0),
65 0x81, 0x80 | 0x38,
66 0x1400, 0x0003,
67 dev->usbc_buf, 5,
68 1000);
69 if (ret == 5) {
70 vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
71 vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
72 vidinf->fps = dev->usbc_buf[4];
73 }
74
75#ifdef HDPVR_DEBUG
76 if (hdpvr_debug & MSG_INFO) {
77 hex_dump_to_buffer(dev->usbc_buf, 5, 16, 1, print_buf,
78 sizeof(print_buf), 0);
79 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
80 "get video info returned: %d, %s\n", ret, print_buf);
81 }
82#endif
83 mutex_unlock(&dev->usbc_mutex);
84
85 if (!vidinf->width || !vidinf->height || !vidinf->fps) {
86 kfree(vidinf);
87 vidinf = NULL;
88 }
89err:
90 return vidinf;
91}
92
93int get_input_lines_info(struct hdpvr_device *dev)
94{
95#ifdef HDPVR_DEBUG
96 char print_buf[9];
97#endif
98 int ret, lines;
99
100 mutex_lock(&dev->usbc_mutex);
101 ret = usb_control_msg(dev->udev,
102 usb_rcvctrlpipe(dev->udev, 0),
103 0x81, 0x80 | 0x38,
104 0x1800, 0x0003,
105 dev->usbc_buf, 3,
106 1000);
107
108#ifdef HDPVR_DEBUG
109 if (hdpvr_debug & MSG_INFO) {
110 hex_dump_to_buffer(dev->usbc_buf, 3, 16, 1, print_buf,
111 sizeof(print_buf), 0);
112 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
113 "get input lines info returned: %d, %s\n", ret,
114 print_buf);
115 }
116#else
117 (void)ret; /* suppress compiler warning */
118#endif
119 lines = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
120 mutex_unlock(&dev->usbc_mutex);
121 return lines;
122}
123
124
125int hdpvr_set_bitrate(struct hdpvr_device *dev)
126{
127 int ret;
128
129 mutex_lock(&dev->usbc_mutex);
130 memset(dev->usbc_buf, 0, 4);
131 dev->usbc_buf[0] = dev->options.bitrate;
132 dev->usbc_buf[2] = dev->options.peak_bitrate;
133
134 ret = usb_control_msg(dev->udev,
135 usb_sndctrlpipe(dev->udev, 0),
136 0x01, 0x38, CTRL_BITRATE_VALUE,
137 CTRL_DEFAULT_INDEX, dev->usbc_buf, 4, 1000);
138 mutex_unlock(&dev->usbc_mutex);
139
140 return ret;
141}
142
143int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
144 enum v4l2_mpeg_audio_encoding codec)
145{
146 int ret = 0;
147
148 if (dev->flags & HDPVR_FLAG_AC3_CAP) {
149 mutex_lock(&dev->usbc_mutex);
150 memset(dev->usbc_buf, 0, 2);
151 dev->usbc_buf[0] = input;
152 if (codec == V4L2_MPEG_AUDIO_ENCODING_AAC)
153 dev->usbc_buf[1] = 0;
154 else if (codec == V4L2_MPEG_AUDIO_ENCODING_AC3)
155 dev->usbc_buf[1] = 1;
156 else {
157 mutex_unlock(&dev->usbc_mutex);
158 v4l2_err(&dev->v4l2_dev, "invalid audio codec %d\n",
159 codec);
160 ret = -EINVAL;
161 goto error;
162 }
163
164 ret = usb_control_msg(dev->udev,
165 usb_sndctrlpipe(dev->udev, 0),
166 0x01, 0x38, CTRL_AUDIO_INPUT_VALUE,
167 CTRL_DEFAULT_INDEX, dev->usbc_buf, 2,
168 1000);
169 mutex_unlock(&dev->usbc_mutex);
170 if (ret == 2)
171 ret = 0;
172 } else
173 ret = hdpvr_config_call(dev, CTRL_AUDIO_INPUT_VALUE, input);
174error:
175 return ret;
176}
177
178int hdpvr_set_options(struct hdpvr_device *dev)
179{
180 hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, dev->options.video_std);
181
182 hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE,
183 dev->options.video_input+1);
184
185 hdpvr_set_audio(dev, dev->options.audio_input+1,
186 dev->options.audio_codec);
187
188 hdpvr_set_bitrate(dev);
189 hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
190 dev->options.bitrate_mode);
191 hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, dev->options.gop_mode);
192
193 hdpvr_config_call(dev, CTRL_BRIGHTNESS, dev->options.brightness);
194 hdpvr_config_call(dev, CTRL_CONTRAST, dev->options.contrast);
195 hdpvr_config_call(dev, CTRL_HUE, dev->options.hue);
196 hdpvr_config_call(dev, CTRL_SATURATION, dev->options.saturation);
197 hdpvr_config_call(dev, CTRL_SHARPNESS, dev->options.sharpness);
198
199 return 0;
200}
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
new file mode 100644
index 000000000000..304f43ef59eb
--- /dev/null
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -0,0 +1,472 @@
1/*
2 * Hauppauge HD PVR USB driver
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>
20#include <linux/atomic.h>
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
31static int video_nr[HDPVR_MAX] = {[0 ... (HDPVR_MAX - 1)] = UNSET};
32module_param_array(video_nr, int, NULL, 0);
33MODULE_PARM_DESC(video_nr, "video device number (-1=Auto)");
34
35/* holds the number of currently registered devices */
36static atomic_t dev_nr = ATOMIC_INIT(-1);
37
38int hdpvr_debug;
39module_param(hdpvr_debug, int, S_IRUGO|S_IWUSR);
40MODULE_PARM_DESC(hdpvr_debug, "enable debugging output");
41
42static uint default_video_input = HDPVR_VIDEO_INPUTS;
43module_param(default_video_input, uint, S_IRUGO|S_IWUSR);
44MODULE_PARM_DESC(default_video_input, "default video input: 0=Component / "
45 "1=S-Video / 2=Composite");
46
47static uint default_audio_input = HDPVR_AUDIO_INPUTS;
48module_param(default_audio_input, uint, S_IRUGO|S_IWUSR);
49MODULE_PARM_DESC(default_audio_input, "default audio input: 0=RCA back / "
50 "1=RCA front / 2=S/PDIF");
51
52static bool boost_audio;
53module_param(boost_audio, bool, S_IRUGO|S_IWUSR);
54MODULE_PARM_DESC(boost_audio, "boost the audio signal");
55
56
57/* table of devices that work with this driver */
58static 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) },
62 { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID3) },
63 { USB_DEVICE(HD_PVR_VENDOR_ID, HD_PVR_PRODUCT_ID4) },
64 { } /* Terminating entry */
65};
66MODULE_DEVICE_TABLE(usb, hdpvr_table);
67
68
69void 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
79static void challenge(u8 *bytes)
80{
81 u64 *i64P, tmp64;
82 uint i, idx;
83
84 for (idx = 0; idx < 32; ++idx) {
85
86 if (idx & 0x3)
87 bytes[(idx >> 3) + 3] = bytes[(idx >> 2) & 0x3];
88
89 switch (idx & 0x3) {
90 case 0x3:
91 bytes[2] += bytes[3] * 4 + bytes[4] + bytes[5];
92 bytes[4] += bytes[(idx & 0x1) * 2] * 9 + 9;
93 break;
94 case 0x1:
95 bytes[0] *= 8;
96 bytes[0] += 7*idx + 4;
97 bytes[6] += bytes[3] * 3;
98 break;
99 case 0x0:
100 bytes[3 - (idx >> 3)] = bytes[idx >> 2];
101 bytes[5] += bytes[6] * 3;
102 for (i = 0; i < 3; i++)
103 bytes[3] *= bytes[3] + 1;
104 break;
105 case 0x2:
106 for (i = 0; i < 3; i++)
107 bytes[1] *= bytes[6] + 1;
108 for (i = 0; i < 3; i++) {
109 i64P = (u64 *)bytes;
110 tmp64 = le64_to_cpup(i64P);
111 tmp64 <<= bytes[7] & 0x0f;
112 *i64P += cpu_to_le64(tmp64);
113 }
114 break;
115 }
116 }
117}
118
119/* try to init the device like the windows driver */
120static int device_authorization(struct hdpvr_device *dev)
121{
122
123 int ret, retval = -ENOMEM;
124 char request_type = 0x38, rcv_request = 0x81;
125 char *response;
126#ifdef HDPVR_DEBUG
127 size_t buf_size = 46;
128 char *print_buf = kzalloc(5*buf_size+1, GFP_KERNEL);
129 if (!print_buf) {
130 v4l2_err(&dev->v4l2_dev, "Out of memory\n");
131 return retval;
132 }
133#endif
134
135 mutex_lock(&dev->usbc_mutex);
136 ret = usb_control_msg(dev->udev,
137 usb_rcvctrlpipe(dev->udev, 0),
138 rcv_request, 0x80 | request_type,
139 0x0400, 0x0003,
140 dev->usbc_buf, 46,
141 10000);
142 if (ret != 46) {
143 v4l2_err(&dev->v4l2_dev,
144 "unexpected answer of status request, len %d\n", ret);
145 goto unlock;
146 }
147#ifdef HDPVR_DEBUG
148 else {
149 hex_dump_to_buffer(dev->usbc_buf, 46, 16, 1, print_buf,
150 5*buf_size+1, 0);
151 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
152 "Status request returned, len %d: %s\n",
153 ret, print_buf);
154 }
155#endif
156
157 dev->fw_ver = dev->usbc_buf[1];
158
159 v4l2_info(&dev->v4l2_dev, "firmware version 0x%x dated %s\n",
160 dev->fw_ver, &dev->usbc_buf[2]);
161
162 if (dev->fw_ver > 0x15) {
163 dev->options.brightness = 0x80;
164 dev->options.contrast = 0x40;
165 dev->options.hue = 0xf;
166 dev->options.saturation = 0x40;
167 dev->options.sharpness = 0x80;
168 }
169
170 switch (dev->fw_ver) {
171 case HDPVR_FIRMWARE_VERSION:
172 dev->flags &= ~HDPVR_FLAG_AC3_CAP;
173 break;
174 case HDPVR_FIRMWARE_VERSION_AC3:
175 case HDPVR_FIRMWARE_VERSION_0X12:
176 case HDPVR_FIRMWARE_VERSION_0X15:
177 dev->flags |= HDPVR_FLAG_AC3_CAP;
178 break;
179 default:
180 v4l2_info(&dev->v4l2_dev, "untested firmware, the driver might"
181 " not work.\n");
182 if (dev->fw_ver >= HDPVR_FIRMWARE_VERSION_AC3)
183 dev->flags |= HDPVR_FLAG_AC3_CAP;
184 else
185 dev->flags &= ~HDPVR_FLAG_AC3_CAP;
186 }
187
188 response = dev->usbc_buf+38;
189#ifdef HDPVR_DEBUG
190 hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0);
191 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, "challenge: %s\n",
192 print_buf);
193#endif
194 challenge(response);
195#ifdef HDPVR_DEBUG
196 hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0);
197 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, " response: %s\n",
198 print_buf);
199#endif
200
201 msleep(100);
202 ret = usb_control_msg(dev->udev,
203 usb_sndctrlpipe(dev->udev, 0),
204 0xd1, 0x00 | request_type,
205 0x0000, 0x0000,
206 response, 8,
207 10000);
208 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
209 "magic request returned %d\n", ret);
210
211 retval = ret != 8;
212unlock:
213 mutex_unlock(&dev->usbc_mutex);
214 return retval;
215}
216
217static int hdpvr_device_init(struct hdpvr_device *dev)
218{
219 int ret;
220 u8 *buf;
221 struct hdpvr_video_info *vidinf;
222
223 if (device_authorization(dev))
224 return -EACCES;
225
226 /* default options for init */
227 hdpvr_set_options(dev);
228
229 /* set filter options */
230 mutex_lock(&dev->usbc_mutex);
231 buf = dev->usbc_buf;
232 buf[0] = 0x03; buf[1] = 0x03; buf[2] = 0x00; buf[3] = 0x00;
233 ret = usb_control_msg(dev->udev,
234 usb_sndctrlpipe(dev->udev, 0),
235 0x01, 0x38,
236 CTRL_LOW_PASS_FILTER_VALUE, CTRL_DEFAULT_INDEX,
237 buf, 4,
238 1000);
239 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
240 "control request returned %d\n", ret);
241 mutex_unlock(&dev->usbc_mutex);
242
243 vidinf = get_video_info(dev);
244 if (!vidinf)
245 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
246 "no valid video signal or device init failed\n");
247 else
248 kfree(vidinf);
249
250 /* enable fan and bling leds */
251 mutex_lock(&dev->usbc_mutex);
252 buf[0] = 0x1;
253 ret = usb_control_msg(dev->udev,
254 usb_sndctrlpipe(dev->udev, 0),
255 0xd4, 0x38, 0, 0, buf, 1,
256 1000);
257 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
258 "control request returned %d\n", ret);
259
260 /* boost analog audio */
261 buf[0] = boost_audio;
262 ret = usb_control_msg(dev->udev,
263 usb_sndctrlpipe(dev->udev, 0),
264 0xd5, 0x38, 0, 0, buf, 1,
265 1000);
266 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
267 "control request returned %d\n", ret);
268 mutex_unlock(&dev->usbc_mutex);
269
270 dev->status = STATUS_IDLE;
271 return 0;
272}
273
274static const struct hdpvr_options hdpvr_default_options = {
275 .video_std = HDPVR_60HZ,
276 .video_input = HDPVR_COMPONENT,
277 .audio_input = HDPVR_RCA_BACK,
278 .bitrate = 65, /* 6 mbps */
279 .peak_bitrate = 90, /* 9 mbps */
280 .bitrate_mode = HDPVR_CONSTANT,
281 .gop_mode = HDPVR_SIMPLE_IDR_GOP,
282 .audio_codec = V4L2_MPEG_AUDIO_ENCODING_AAC,
283 /* original picture controls for firmware version <= 0x15 */
284 /* updated in device_authorization() for newer firmware */
285 .brightness = 0x86,
286 .contrast = 0x80,
287 .hue = 0x80,
288 .saturation = 0x80,
289 .sharpness = 0x80,
290};
291
292static int hdpvr_probe(struct usb_interface *interface,
293 const struct usb_device_id *id)
294{
295 struct hdpvr_device *dev;
296 struct usb_host_interface *iface_desc;
297 struct usb_endpoint_descriptor *endpoint;
298 struct i2c_client *client;
299 size_t buffer_size;
300 int i;
301 int retval = -ENOMEM;
302
303 /* allocate memory for our device state and initialize it */
304 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
305 if (!dev) {
306 dev_err(&interface->dev, "Out of memory\n");
307 goto error;
308 }
309
310 dev->workqueue = 0;
311
312 /* register v4l2_device early so it can be used for printks */
313 if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) {
314 dev_err(&interface->dev, "v4l2_device_register failed\n");
315 goto error;
316 }
317
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) {
323 v4l2_err(&dev->v4l2_dev, "Out of memory\n");
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
334 /* init video transfer queues */
335 INIT_LIST_HEAD(&dev->free_buff_list);
336 INIT_LIST_HEAD(&dev->rec_buff_list);
337
338 dev->options = hdpvr_default_options;
339
340 if (default_video_input < HDPVR_VIDEO_INPUTS)
341 dev->options.video_input = default_video_input;
342
343 if (default_audio_input < HDPVR_AUDIO_INPUTS) {
344 dev->options.audio_input = default_audio_input;
345 if (default_audio_input == HDPVR_SPDIF)
346 dev->options.audio_codec =
347 V4L2_MPEG_AUDIO_ENCODING_AC3;
348 }
349
350 dev->udev = usb_get_dev(interface_to_usbdev(interface));
351
352 /* set up the endpoint information */
353 /* use only the first bulk-in and bulk-out endpoints */
354 iface_desc = interface->cur_altsetting;
355 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
356 endpoint = &iface_desc->endpoint[i].desc;
357
358 if (!dev->bulk_in_endpointAddr &&
359 usb_endpoint_is_bulk_in(endpoint)) {
360 /* USB interface description is buggy, reported max
361 * packet size is 512 bytes, windows driver uses 8192 */
362 buffer_size = 8192;
363 dev->bulk_in_size = buffer_size;
364 dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;
365 }
366
367 }
368 if (!dev->bulk_in_endpointAddr) {
369 v4l2_err(&dev->v4l2_dev, "Could not find bulk-in endpoint\n");
370 goto error;
371 }
372
373 /* init the device */
374 if (hdpvr_device_init(dev)) {
375 v4l2_err(&dev->v4l2_dev, "device init failed\n");
376 goto error;
377 }
378
379 mutex_lock(&dev->io_mutex);
380 if (hdpvr_alloc_buffers(dev, NUM_BUFFERS)) {
381 mutex_unlock(&dev->io_mutex);
382 v4l2_err(&dev->v4l2_dev,
383 "allocating transfer buffers failed\n");
384 goto error;
385 }
386 mutex_unlock(&dev->io_mutex);
387
388 if (hdpvr_register_videodev(dev, &interface->dev,
389 video_nr[atomic_inc_return(&dev_nr)])) {
390 v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
391 goto error;
392 }
393
394#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
395 retval = hdpvr_register_i2c_adapter(dev);
396 if (retval < 0) {
397 v4l2_err(&dev->v4l2_dev, "i2c adapter register failed\n");
398 goto error;
399 }
400
401 client = hdpvr_register_ir_rx_i2c(dev);
402 if (!client) {
403 v4l2_err(&dev->v4l2_dev, "i2c IR RX device register failed\n");
404 goto reg_fail;
405 }
406
407 client = hdpvr_register_ir_tx_i2c(dev);
408 if (!client) {
409 v4l2_err(&dev->v4l2_dev, "i2c IR TX device register failed\n");
410 goto reg_fail;
411 }
412#endif
413
414 /* let the user know what node this device is now attached to */
415 v4l2_info(&dev->v4l2_dev, "device now attached to %s\n",
416 video_device_node_name(dev->video_dev));
417 return 0;
418
419reg_fail:
420#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
421 i2c_del_adapter(&dev->i2c_adapter);
422#endif
423error:
424 if (dev) {
425 /* Destroy single thread */
426 if (dev->workqueue)
427 destroy_workqueue(dev->workqueue);
428 /* this frees allocated memory */
429 hdpvr_delete(dev);
430 }
431 return retval;
432}
433
434static void hdpvr_disconnect(struct usb_interface *interface)
435{
436 struct hdpvr_device *dev = to_hdpvr_dev(usb_get_intfdata(interface));
437
438 v4l2_info(&dev->v4l2_dev, "device %s disconnected\n",
439 video_device_node_name(dev->video_dev));
440 /* prevent more I/O from starting and stop any ongoing */
441 mutex_lock(&dev->io_mutex);
442 dev->status = STATUS_DISCONNECTED;
443 wake_up_interruptible(&dev->wait_data);
444 wake_up_interruptible(&dev->wait_buffer);
445 mutex_unlock(&dev->io_mutex);
446 v4l2_device_disconnect(&dev->v4l2_dev);
447 msleep(100);
448 flush_workqueue(dev->workqueue);
449 mutex_lock(&dev->io_mutex);
450 hdpvr_cancel_queue(dev);
451 mutex_unlock(&dev->io_mutex);
452#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
453 i2c_del_adapter(&dev->i2c_adapter);
454#endif
455 video_unregister_device(dev->video_dev);
456 atomic_dec(&dev_nr);
457}
458
459
460static struct usb_driver hdpvr_usb_driver = {
461 .name = "hdpvr",
462 .probe = hdpvr_probe,
463 .disconnect = hdpvr_disconnect,
464 .id_table = hdpvr_table,
465};
466
467module_usb_driver(hdpvr_usb_driver);
468
469MODULE_LICENSE("GPL");
470MODULE_VERSION("0.2.1");
471MODULE_AUTHOR("Janne Grunau");
472MODULE_DESCRIPTION("Hauppauge HD PVR driver");
diff --git a/drivers/media/usb/hdpvr/hdpvr-i2c.c b/drivers/media/usb/hdpvr/hdpvr-i2c.c
new file mode 100644
index 000000000000..82e819fa91c0
--- /dev/null
+++ b/drivers/media/usb/hdpvr/hdpvr-i2c.c
@@ -0,0 +1,231 @@
1
2/*
3 * Hauppauge HD PVR USB driver
4 *
5 * Copyright (C) 2008 Janne Grunau (j@jannau.net)
6 *
7 * IR device registration code is
8 * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net>
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation, version 2.
13 *
14 */
15
16#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
17
18#include <linux/i2c.h>
19#include <linux/slab.h>
20#include <linux/export.h>
21
22#include "hdpvr.h"
23
24#define CTRL_READ_REQUEST 0xb8
25#define CTRL_WRITE_REQUEST 0x38
26
27#define REQTYPE_I2C_READ 0xb1
28#define REQTYPE_I2C_WRITE 0xb0
29#define REQTYPE_I2C_WRITE_STATT 0xd0
30
31#define Z8F0811_IR_TX_I2C_ADDR 0x70
32#define Z8F0811_IR_RX_I2C_ADDR 0x71
33
34
35struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev)
36{
37 struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data;
38 struct i2c_board_info hdpvr_ir_tx_i2c_board_info = {
39 I2C_BOARD_INFO("ir_tx_z8f0811_hdpvr", Z8F0811_IR_TX_I2C_ADDR),
40 };
41
42 init_data->name = "HD-PVR";
43 hdpvr_ir_tx_i2c_board_info.platform_data = init_data;
44
45 return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_tx_i2c_board_info);
46}
47
48struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev)
49{
50 struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data;
51 struct i2c_board_info hdpvr_ir_rx_i2c_board_info = {
52 I2C_BOARD_INFO("ir_rx_z8f0811_hdpvr", Z8F0811_IR_RX_I2C_ADDR),
53 };
54
55 /* Our default information for ir-kbd-i2c.c to use */
56 init_data->ir_codes = RC_MAP_HAUPPAUGE;
57 init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
58 init_data->type = RC_TYPE_RC5;
59 init_data->name = "HD-PVR";
60 init_data->polling_interval = 405; /* ms, duplicated from Windows */
61 hdpvr_ir_rx_i2c_board_info.platform_data = init_data;
62
63 return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_rx_i2c_board_info);
64}
65
66static int hdpvr_i2c_read(struct hdpvr_device *dev, int bus,
67 unsigned char addr, char *wdata, int wlen,
68 char *data, int len)
69{
70 int ret;
71
72 if ((len > sizeof(dev->i2c_buf)) || (wlen > sizeof(dev->i2c_buf)))
73 return -EINVAL;
74
75 if (wlen) {
76 memcpy(&dev->i2c_buf, wdata, wlen);
77 ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
78 REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
79 (bus << 8) | addr, 0, &dev->i2c_buf,
80 wlen, 1000);
81 if (ret < 0)
82 return ret;
83 }
84
85 ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
86 REQTYPE_I2C_READ, CTRL_READ_REQUEST,
87 (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000);
88
89 if (ret == len) {
90 memcpy(data, &dev->i2c_buf, len);
91 ret = 0;
92 } else if (ret >= 0)
93 ret = -EIO;
94
95 return ret;
96}
97
98static int hdpvr_i2c_write(struct hdpvr_device *dev, int bus,
99 unsigned char addr, char *data, int len)
100{
101 int ret;
102
103 if (len > sizeof(dev->i2c_buf))
104 return -EINVAL;
105
106 memcpy(&dev->i2c_buf, data, len);
107 ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
108 REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
109 (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000);
110
111 if (ret < 0)
112 return ret;
113
114 ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
115 REQTYPE_I2C_WRITE_STATT, CTRL_READ_REQUEST,
116 0, 0, &dev->i2c_buf, 2, 1000);
117
118 if ((ret == 2) && (dev->i2c_buf[1] == (len - 1)))
119 ret = 0;
120 else if (ret >= 0)
121 ret = -EIO;
122
123 return ret;
124}
125
126static int hdpvr_transfer(struct i2c_adapter *i2c_adapter, struct i2c_msg *msgs,
127 int num)
128{
129 struct hdpvr_device *dev = i2c_get_adapdata(i2c_adapter);
130 int retval = 0, addr;
131
132 if (num <= 0)
133 return 0;
134
135 mutex_lock(&dev->i2c_mutex);
136
137 addr = msgs[0].addr << 1;
138
139 if (num == 1) {
140 if (msgs[0].flags & I2C_M_RD)
141 retval = hdpvr_i2c_read(dev, 1, addr, NULL, 0,
142 msgs[0].buf, msgs[0].len);
143 else
144 retval = hdpvr_i2c_write(dev, 1, addr, msgs[0].buf,
145 msgs[0].len);
146 } else if (num == 2) {
147 if (msgs[0].addr != msgs[1].addr) {
148 v4l2_warn(&dev->v4l2_dev, "refusing 2-phase i2c xfer "
149 "with conflicting target addresses\n");
150 retval = -EINVAL;
151 goto out;
152 }
153
154 if ((msgs[0].flags & I2C_M_RD) || !(msgs[1].flags & I2C_M_RD)) {
155 v4l2_warn(&dev->v4l2_dev, "refusing complex xfer with "
156 "r0=%d, r1=%d\n", msgs[0].flags & I2C_M_RD,
157 msgs[1].flags & I2C_M_RD);
158 retval = -EINVAL;
159 goto out;
160 }
161
162 /*
163 * Write followed by atomic read is the only complex xfer that
164 * we actually support here.
165 */
166 retval = hdpvr_i2c_read(dev, 1, addr, msgs[0].buf, msgs[0].len,
167 msgs[1].buf, msgs[1].len);
168 } else {
169 v4l2_warn(&dev->v4l2_dev, "refusing %d-phase i2c xfer\n", num);
170 }
171
172out:
173 mutex_unlock(&dev->i2c_mutex);
174
175 return retval ? retval : num;
176}
177
178static u32 hdpvr_functionality(struct i2c_adapter *adapter)
179{
180 return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
181}
182
183static struct i2c_algorithm hdpvr_algo = {
184 .master_xfer = hdpvr_transfer,
185 .functionality = hdpvr_functionality,
186};
187
188static struct i2c_adapter hdpvr_i2c_adapter_template = {
189 .name = "Hauppage HD PVR I2C",
190 .owner = THIS_MODULE,
191 .algo = &hdpvr_algo,
192};
193
194static int hdpvr_activate_ir(struct hdpvr_device *dev)
195{
196 char buffer[2];
197
198 mutex_lock(&dev->i2c_mutex);
199
200 hdpvr_i2c_read(dev, 0, 0x54, NULL, 0, buffer, 1);
201
202 buffer[0] = 0;
203 buffer[1] = 0x8;
204 hdpvr_i2c_write(dev, 1, 0x54, buffer, 2);
205
206 buffer[1] = 0x18;
207 hdpvr_i2c_write(dev, 1, 0x54, buffer, 2);
208
209 mutex_unlock(&dev->i2c_mutex);
210
211 return 0;
212}
213
214int hdpvr_register_i2c_adapter(struct hdpvr_device *dev)
215{
216 int retval = -ENOMEM;
217
218 hdpvr_activate_ir(dev);
219
220 memcpy(&dev->i2c_adapter, &hdpvr_i2c_adapter_template,
221 sizeof(struct i2c_adapter));
222 dev->i2c_adapter.dev.parent = &dev->udev->dev;
223
224 i2c_set_adapdata(&dev->i2c_adapter, dev);
225
226 retval = i2c_add_adapter(&dev->i2c_adapter);
227
228 return retval;
229}
230
231#endif
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
new file mode 100644
index 000000000000..0e9e156bb2aa
--- /dev/null
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -0,0 +1,1289 @@
1/*
2 * Hauppauge HD PVR USB driver - video 4 linux 2 interface
3 *
4 * Copyright (C) 2008 Janne Grunau (j@jannau.net)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 *
10 */
11
12#include <linux/kernel.h>
13#include <linux/errno.h>
14#include <linux/init.h>
15#include <linux/slab.h>
16#include <linux/module.h>
17#include <linux/uaccess.h>
18#include <linux/usb.h>
19#include <linux/mutex.h>
20#include <linux/workqueue.h>
21
22#include <linux/videodev2.h>
23#include <media/v4l2-dev.h>
24#include <media/v4l2-common.h>
25#include <media/v4l2-ioctl.h>
26#include "hdpvr.h"
27
28#define BULK_URB_TIMEOUT 90 /* 0.09 seconds */
29
30#define print_buffer_status() { \
31 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \
32 "%s:%d buffer stat: %d free, %d proc\n", \
33 __func__, __LINE__, \
34 list_size(&dev->free_buff_list), \
35 list_size(&dev->rec_buff_list)); }
36
37struct hdpvr_fh {
38 struct hdpvr_device *dev;
39};
40
41static uint list_size(struct list_head *list)
42{
43 struct list_head *tmp;
44 uint count = 0;
45
46 list_for_each(tmp, list) {
47 count++;
48 }
49
50 return count;
51}
52
53/*=========================================================================*/
54/* urb callback */
55static void hdpvr_read_bulk_callback(struct urb *urb)
56{
57 struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context;
58 struct hdpvr_device *dev = buf->dev;
59
60 /* marking buffer as received and wake waiting */
61 buf->status = BUFSTAT_READY;
62 wake_up_interruptible(&dev->wait_data);
63}
64
65/*=========================================================================*/
66/* bufffer bits */
67
68/* function expects dev->io_mutex to be hold by caller */
69int hdpvr_cancel_queue(struct hdpvr_device *dev)
70{
71 struct hdpvr_buffer *buf;
72
73 list_for_each_entry(buf, &dev->rec_buff_list, buff_list) {
74 usb_kill_urb(buf->urb);
75 buf->status = BUFSTAT_AVAILABLE;
76 }
77
78 list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev);
79
80 return 0;
81}
82
83static int hdpvr_free_queue(struct list_head *q)
84{
85 struct list_head *tmp;
86 struct list_head *p;
87 struct hdpvr_buffer *buf;
88 struct urb *urb;
89
90 for (p = q->next; p != q;) {
91 buf = list_entry(p, struct hdpvr_buffer, buff_list);
92
93 urb = buf->urb;
94 usb_free_coherent(urb->dev, urb->transfer_buffer_length,
95 urb->transfer_buffer, urb->transfer_dma);
96 usb_free_urb(urb);
97 tmp = p->next;
98 list_del(p);
99 kfree(buf);
100 p = tmp;
101 }
102
103 return 0;
104}
105
106/* function expects dev->io_mutex to be hold by caller */
107int hdpvr_free_buffers(struct hdpvr_device *dev)
108{
109 hdpvr_cancel_queue(dev);
110
111 hdpvr_free_queue(&dev->free_buff_list);
112 hdpvr_free_queue(&dev->rec_buff_list);
113
114 return 0;
115}
116
117/* function expects dev->io_mutex to be hold by caller */
118int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count)
119{
120 uint i;
121 int retval = -ENOMEM;
122 u8 *mem;
123 struct hdpvr_buffer *buf;
124 struct urb *urb;
125
126 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
127 "allocating %u buffers\n", count);
128
129 for (i = 0; i < count; i++) {
130
131 buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL);
132 if (!buf) {
133 v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n");
134 goto exit;
135 }
136 buf->dev = dev;
137
138 urb = usb_alloc_urb(0, GFP_KERNEL);
139 if (!urb) {
140 v4l2_err(&dev->v4l2_dev, "cannot allocate urb\n");
141 goto exit_urb;
142 }
143 buf->urb = urb;
144
145 mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL,
146 &urb->transfer_dma);
147 if (!mem) {
148 v4l2_err(&dev->v4l2_dev,
149 "cannot allocate usb transfer buffer\n");
150 goto exit_urb_buffer;
151 }
152
153 usb_fill_bulk_urb(buf->urb, dev->udev,
154 usb_rcvbulkpipe(dev->udev,
155 dev->bulk_in_endpointAddr),
156 mem, dev->bulk_in_size,
157 hdpvr_read_bulk_callback, buf);
158
159 buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
160 buf->status = BUFSTAT_AVAILABLE;
161 list_add_tail(&buf->buff_list, &dev->free_buff_list);
162 }
163 return 0;
164exit_urb_buffer:
165 usb_free_urb(urb);
166exit_urb:
167 kfree(buf);
168exit:
169 hdpvr_free_buffers(dev);
170 return retval;
171}
172
173static int hdpvr_submit_buffers(struct hdpvr_device *dev)
174{
175 struct hdpvr_buffer *buf;
176 struct urb *urb;
177 int ret = 0, err_count = 0;
178
179 mutex_lock(&dev->io_mutex);
180
181 while (dev->status == STATUS_STREAMING &&
182 !list_empty(&dev->free_buff_list)) {
183
184 buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer,
185 buff_list);
186 if (buf->status != BUFSTAT_AVAILABLE) {
187 v4l2_err(&dev->v4l2_dev,
188 "buffer not marked as available\n");
189 ret = -EFAULT;
190 goto err;
191 }
192
193 urb = buf->urb;
194 urb->status = 0;
195 urb->actual_length = 0;
196 ret = usb_submit_urb(urb, GFP_KERNEL);
197 if (ret) {
198 v4l2_err(&dev->v4l2_dev,
199 "usb_submit_urb in %s returned %d\n",
200 __func__, ret);
201 if (++err_count > 2)
202 break;
203 continue;
204 }
205 buf->status = BUFSTAT_INPROGRESS;
206 list_move_tail(&buf->buff_list, &dev->rec_buff_list);
207 }
208err:
209 print_buffer_status();
210 mutex_unlock(&dev->io_mutex);
211 return ret;
212}
213
214static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev)
215{
216 struct hdpvr_buffer *buf;
217
218 mutex_lock(&dev->io_mutex);
219
220 if (list_empty(&dev->rec_buff_list)) {
221 mutex_unlock(&dev->io_mutex);
222 return NULL;
223 }
224
225 buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer,
226 buff_list);
227 mutex_unlock(&dev->io_mutex);
228
229 return buf;
230}
231
232static void hdpvr_transmit_buffers(struct work_struct *work)
233{
234 struct hdpvr_device *dev = container_of(work, struct hdpvr_device,
235 worker);
236
237 while (dev->status == STATUS_STREAMING) {
238
239 if (hdpvr_submit_buffers(dev)) {
240 v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n");
241 goto error;
242 }
243 if (wait_event_interruptible(dev->wait_buffer,
244 !list_empty(&dev->free_buff_list) ||
245 dev->status != STATUS_STREAMING))
246 goto error;
247 }
248
249 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
250 "transmit worker exited\n");
251 return;
252error:
253 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
254 "transmit buffers errored\n");
255 dev->status = STATUS_ERROR;
256}
257
258/* function expects dev->io_mutex to be hold by caller */
259static int hdpvr_start_streaming(struct hdpvr_device *dev)
260{
261 int ret;
262 struct hdpvr_video_info *vidinf;
263
264 if (dev->status == STATUS_STREAMING)
265 return 0;
266 else if (dev->status != STATUS_IDLE)
267 return -EAGAIN;
268
269 vidinf = get_video_info(dev);
270
271 if (vidinf) {
272 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
273 "video signal: %dx%d@%dhz\n", vidinf->width,
274 vidinf->height, vidinf->fps);
275 kfree(vidinf);
276
277 /* start streaming 2 request */
278 ret = usb_control_msg(dev->udev,
279 usb_sndctrlpipe(dev->udev, 0),
280 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
281 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
282 "encoder start control request returned %d\n", ret);
283
284 hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
285
286 dev->status = STATUS_STREAMING;
287
288 INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
289 queue_work(dev->workqueue, &dev->worker);
290
291 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
292 "streaming started\n");
293
294 return 0;
295 }
296 msleep(250);
297 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
298 "no video signal at input %d\n", dev->options.video_input);
299 return -EAGAIN;
300}
301
302
303/* function expects dev->io_mutex to be hold by caller */
304static int hdpvr_stop_streaming(struct hdpvr_device *dev)
305{
306 int actual_length;
307 uint c = 0;
308 u8 *buf;
309
310 if (dev->status == STATUS_IDLE)
311 return 0;
312 else if (dev->status != STATUS_STREAMING)
313 return -EAGAIN;
314
315 buf = kmalloc(dev->bulk_in_size, GFP_KERNEL);
316 if (!buf)
317 v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer "
318 "for emptying the internal device buffer. "
319 "Next capture start will be slow\n");
320
321 dev->status = STATUS_SHUTTING_DOWN;
322 hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
323 mutex_unlock(&dev->io_mutex);
324
325 wake_up_interruptible(&dev->wait_buffer);
326 msleep(50);
327
328 flush_workqueue(dev->workqueue);
329
330 mutex_lock(&dev->io_mutex);
331 /* kill the still outstanding urbs */
332 hdpvr_cancel_queue(dev);
333
334 /* emptying the device buffer beforeshutting it down */
335 while (buf && ++c < 500 &&
336 !usb_bulk_msg(dev->udev,
337 usb_rcvbulkpipe(dev->udev,
338 dev->bulk_in_endpointAddr),
339 buf, dev->bulk_in_size, &actual_length,
340 BULK_URB_TIMEOUT)) {
341 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
342 "%2d: got %d bytes\n", c, actual_length);
343 }
344 kfree(buf);
345 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
346 "used %d urbs to empty device buffers\n", c-1);
347 msleep(10);
348
349 dev->status = STATUS_IDLE;
350
351 return 0;
352}
353
354
355/*=======================================================================*/
356/*
357 * video 4 linux 2 file operations
358 */
359
360static int hdpvr_open(struct file *file)
361{
362 struct hdpvr_device *dev;
363 struct hdpvr_fh *fh;
364 int retval = -ENOMEM;
365
366 dev = (struct hdpvr_device *)video_get_drvdata(video_devdata(file));
367 if (!dev) {
368 pr_err("open failing with with ENODEV\n");
369 retval = -ENODEV;
370 goto err;
371 }
372
373 fh = kzalloc(sizeof(struct hdpvr_fh), GFP_KERNEL);
374 if (!fh) {
375 v4l2_err(&dev->v4l2_dev, "Out of memory\n");
376 goto err;
377 }
378 /* lock the device to allow correctly handling errors
379 * in resumption */
380 mutex_lock(&dev->io_mutex);
381 dev->open_count++;
382 mutex_unlock(&dev->io_mutex);
383
384 fh->dev = dev;
385
386 /* save our object in the file's private structure */
387 file->private_data = fh;
388
389 retval = 0;
390err:
391 return retval;
392}
393
394static int hdpvr_release(struct file *file)
395{
396 struct hdpvr_fh *fh = file->private_data;
397 struct hdpvr_device *dev = fh->dev;
398
399 if (!dev)
400 return -ENODEV;
401
402 mutex_lock(&dev->io_mutex);
403 if (!(--dev->open_count) && dev->status == STATUS_STREAMING)
404 hdpvr_stop_streaming(dev);
405
406 mutex_unlock(&dev->io_mutex);
407
408 return 0;
409}
410
411/*
412 * hdpvr_v4l2_read()
413 * will allocate buffers when called for the first time
414 */
415static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
416 loff_t *pos)
417{
418 struct hdpvr_fh *fh = file->private_data;
419 struct hdpvr_device *dev = fh->dev;
420 struct hdpvr_buffer *buf = NULL;
421 struct urb *urb;
422 unsigned int ret = 0;
423 int rem, cnt;
424
425 if (*pos)
426 return -ESPIPE;
427
428 if (!dev)
429 return -ENODEV;
430
431 mutex_lock(&dev->io_mutex);
432 if (dev->status == STATUS_IDLE) {
433 if (hdpvr_start_streaming(dev)) {
434 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
435 "start_streaming failed\n");
436 ret = -EIO;
437 msleep(200);
438 dev->status = STATUS_IDLE;
439 mutex_unlock(&dev->io_mutex);
440 goto err;
441 }
442 print_buffer_status();
443 }
444 mutex_unlock(&dev->io_mutex);
445
446 /* wait for the first buffer */
447 if (!(file->f_flags & O_NONBLOCK)) {
448 if (wait_event_interruptible(dev->wait_data,
449 hdpvr_get_next_buffer(dev)))
450 return -ERESTARTSYS;
451 }
452
453 buf = hdpvr_get_next_buffer(dev);
454
455 while (count > 0 && buf) {
456
457 if (buf->status != BUFSTAT_READY &&
458 dev->status != STATUS_DISCONNECTED) {
459 /* return nonblocking */
460 if (file->f_flags & O_NONBLOCK) {
461 if (!ret)
462 ret = -EAGAIN;
463 goto err;
464 }
465
466 if (wait_event_interruptible(dev->wait_data,
467 buf->status == BUFSTAT_READY)) {
468 ret = -ERESTARTSYS;
469 goto err;
470 }
471 }
472
473 if (buf->status != BUFSTAT_READY)
474 break;
475
476 /* set remaining bytes to copy */
477 urb = buf->urb;
478 rem = urb->actual_length - buf->pos;
479 cnt = rem > count ? count : rem;
480
481 if (copy_to_user(buffer, urb->transfer_buffer + buf->pos,
482 cnt)) {
483 v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n");
484 if (!ret)
485 ret = -EFAULT;
486 goto err;
487 }
488
489 buf->pos += cnt;
490 count -= cnt;
491 buffer += cnt;
492 ret += cnt;
493
494 /* finished, take next buffer */
495 if (buf->pos == urb->actual_length) {
496 mutex_lock(&dev->io_mutex);
497 buf->pos = 0;
498 buf->status = BUFSTAT_AVAILABLE;
499
500 list_move_tail(&buf->buff_list, &dev->free_buff_list);
501
502 print_buffer_status();
503
504 mutex_unlock(&dev->io_mutex);
505
506 wake_up_interruptible(&dev->wait_buffer);
507
508 buf = hdpvr_get_next_buffer(dev);
509 }
510 }
511err:
512 if (!ret && !buf)
513 ret = -EAGAIN;
514 return ret;
515}
516
517static unsigned int hdpvr_poll(struct file *filp, poll_table *wait)
518{
519 struct hdpvr_buffer *buf = NULL;
520 struct hdpvr_fh *fh = filp->private_data;
521 struct hdpvr_device *dev = fh->dev;
522 unsigned int mask = 0;
523
524 mutex_lock(&dev->io_mutex);
525
526 if (!video_is_registered(dev->video_dev)) {
527 mutex_unlock(&dev->io_mutex);
528 return -EIO;
529 }
530
531 if (dev->status == STATUS_IDLE) {
532 if (hdpvr_start_streaming(dev)) {
533 v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
534 "start_streaming failed\n");
535 dev->status = STATUS_IDLE;
536 }
537
538 print_buffer_status();
539 }
540 mutex_unlock(&dev->io_mutex);
541
542 buf = hdpvr_get_next_buffer(dev);
543 /* only wait if no data is available */
544 if (!buf || buf->status != BUFSTAT_READY) {
545 poll_wait(filp, &dev->wait_data, wait);
546 buf = hdpvr_get_next_buffer(dev);
547 }
548 if (buf && buf->status == BUFSTAT_READY)
549 mask |= POLLIN | POLLRDNORM;
550
551 return mask;
552}
553
554
555static const struct v4l2_file_operations hdpvr_fops = {
556 .owner = THIS_MODULE,
557 .open = hdpvr_open,
558 .release = hdpvr_release,
559 .read = hdpvr_read,
560 .poll = hdpvr_poll,
561 .unlocked_ioctl = video_ioctl2,
562};
563
564/*=======================================================================*/
565/*
566 * V4L2 ioctl handling
567 */
568
569static int vidioc_querycap(struct file *file, void *priv,
570 struct v4l2_capability *cap)
571{
572 struct hdpvr_device *dev = video_drvdata(file);
573
574 strcpy(cap->driver, "hdpvr");
575 strcpy(cap->card, "Hauppauge HD PVR");
576 usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
577 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
578 V4L2_CAP_AUDIO |
579 V4L2_CAP_READWRITE;
580 return 0;
581}
582
583static int vidioc_s_std(struct file *file, void *private_data,
584 v4l2_std_id *std)
585{
586 struct hdpvr_fh *fh = file->private_data;
587 struct hdpvr_device *dev = fh->dev;
588 u8 std_type = 1;
589
590 if (*std & (V4L2_STD_NTSC | V4L2_STD_PAL_60))
591 std_type = 0;
592
593 return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type);
594}
595
596static const char *iname[] = {
597 [HDPVR_COMPONENT] = "Component",
598 [HDPVR_SVIDEO] = "S-Video",
599 [HDPVR_COMPOSITE] = "Composite",
600};
601
602static int vidioc_enum_input(struct file *file, void *priv,
603 struct v4l2_input *i)
604{
605 struct hdpvr_fh *fh = file->private_data;
606 struct hdpvr_device *dev = fh->dev;
607 unsigned int n;
608
609 n = i->index;
610 if (n >= HDPVR_VIDEO_INPUTS)
611 return -EINVAL;
612
613 i->type = V4L2_INPUT_TYPE_CAMERA;
614
615 strncpy(i->name, iname[n], sizeof(i->name) - 1);
616 i->name[sizeof(i->name) - 1] = '\0';
617
618 i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF;
619
620 i->std = dev->video_dev->tvnorms;
621
622 return 0;
623}
624
625static int vidioc_s_input(struct file *file, void *private_data,
626 unsigned int index)
627{
628 struct hdpvr_fh *fh = file->private_data;
629 struct hdpvr_device *dev = fh->dev;
630 int retval;
631
632 if (index >= HDPVR_VIDEO_INPUTS)
633 return -EINVAL;
634
635 if (dev->status != STATUS_IDLE)
636 return -EAGAIN;
637
638 retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1);
639 if (!retval)
640 dev->options.video_input = index;
641
642 return retval;
643}
644
645static int vidioc_g_input(struct file *file, void *private_data,
646 unsigned int *index)
647{
648 struct hdpvr_fh *fh = file->private_data;
649 struct hdpvr_device *dev = fh->dev;
650
651 *index = dev->options.video_input;
652 return 0;
653}
654
655
656static const char *audio_iname[] = {
657 [HDPVR_RCA_FRONT] = "RCA front",
658 [HDPVR_RCA_BACK] = "RCA back",
659 [HDPVR_SPDIF] = "SPDIF",
660};
661
662static int vidioc_enumaudio(struct file *file, void *priv,
663 struct v4l2_audio *audio)
664{
665 unsigned int n;
666
667 n = audio->index;
668 if (n >= HDPVR_AUDIO_INPUTS)
669 return -EINVAL;
670
671 audio->capability = V4L2_AUDCAP_STEREO;
672
673 strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1);
674 audio->name[sizeof(audio->name) - 1] = '\0';
675
676 return 0;
677}
678
679static int vidioc_s_audio(struct file *file, void *private_data,
680 struct v4l2_audio *audio)
681{
682 struct hdpvr_fh *fh = file->private_data;
683 struct hdpvr_device *dev = fh->dev;
684 int retval;
685
686 if (audio->index >= HDPVR_AUDIO_INPUTS)
687 return -EINVAL;
688
689 if (dev->status != STATUS_IDLE)
690 return -EAGAIN;
691
692 retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec);
693 if (!retval)
694 dev->options.audio_input = audio->index;
695
696 return retval;
697}
698
699static int vidioc_g_audio(struct file *file, void *private_data,
700 struct v4l2_audio *audio)
701{
702 struct hdpvr_fh *fh = file->private_data;
703 struct hdpvr_device *dev = fh->dev;
704
705 audio->index = dev->options.audio_input;
706 audio->capability = V4L2_AUDCAP_STEREO;
707 strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
708 audio->name[sizeof(audio->name) - 1] = '\0';
709 return 0;
710}
711
712static const s32 supported_v4l2_ctrls[] = {
713 V4L2_CID_BRIGHTNESS,
714 V4L2_CID_CONTRAST,
715 V4L2_CID_SATURATION,
716 V4L2_CID_HUE,
717 V4L2_CID_SHARPNESS,
718 V4L2_CID_MPEG_AUDIO_ENCODING,
719 V4L2_CID_MPEG_VIDEO_ENCODING,
720 V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
721 V4L2_CID_MPEG_VIDEO_BITRATE,
722 V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
723};
724
725static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc,
726 int ac3, int fw_ver)
727{
728 int err;
729
730 if (fw_ver > 0x15) {
731 switch (qc->id) {
732 case V4L2_CID_BRIGHTNESS:
733 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
734 case V4L2_CID_CONTRAST:
735 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40);
736 case V4L2_CID_SATURATION:
737 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40);
738 case V4L2_CID_HUE:
739 return v4l2_ctrl_query_fill(qc, 0x0, 0x1e, 1, 0xf);
740 case V4L2_CID_SHARPNESS:
741 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
742 }
743 } else {
744 switch (qc->id) {
745 case V4L2_CID_BRIGHTNESS:
746 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86);
747 case V4L2_CID_CONTRAST:
748 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
749 case V4L2_CID_SATURATION:
750 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
751 case V4L2_CID_HUE:
752 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
753 case V4L2_CID_SHARPNESS:
754 return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
755 }
756 }
757
758 switch (qc->id) {
759 case V4L2_CID_MPEG_AUDIO_ENCODING:
760 return v4l2_ctrl_query_fill(
761 qc, V4L2_MPEG_AUDIO_ENCODING_AAC,
762 ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3
763 : V4L2_MPEG_AUDIO_ENCODING_AAC,
764 1, V4L2_MPEG_AUDIO_ENCODING_AAC);
765 case V4L2_CID_MPEG_VIDEO_ENCODING:
766 return v4l2_ctrl_query_fill(
767 qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC,
768 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1,
769 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC);
770
771/* case V4L2_CID_MPEG_VIDEO_? maybe keyframe interval: */
772/* return v4l2_ctrl_query_fill(qc, 0, 128, 128, 0); */
773 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
774 return v4l2_ctrl_query_fill(
775 qc, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
776 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
777 V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
778
779 case V4L2_CID_MPEG_VIDEO_BITRATE:
780 return v4l2_ctrl_query_fill(qc, 1000000, 13500000, 100000,
781 6500000);
782 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
783 err = v4l2_ctrl_query_fill(qc, 1100000, 20200000, 100000,
784 9000000);
785 if (!err && opt->bitrate_mode == HDPVR_CONSTANT)
786 qc->flags |= V4L2_CTRL_FLAG_INACTIVE;
787 return err;
788 default:
789 return -EINVAL;
790 }
791}
792
793static int vidioc_queryctrl(struct file *file, void *private_data,
794 struct v4l2_queryctrl *qc)
795{
796 struct hdpvr_fh *fh = file->private_data;
797 struct hdpvr_device *dev = fh->dev;
798 int i, next;
799 u32 id = qc->id;
800
801 memset(qc, 0, sizeof(*qc));
802
803 next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL);
804 qc->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL;
805
806 for (i = 0; i < ARRAY_SIZE(supported_v4l2_ctrls); i++) {
807 if (next) {
808 if (qc->id < supported_v4l2_ctrls[i])
809 qc->id = supported_v4l2_ctrls[i];
810 else
811 continue;
812 }
813
814 if (qc->id == supported_v4l2_ctrls[i])
815 return fill_queryctrl(&dev->options, qc,
816 dev->flags & HDPVR_FLAG_AC3_CAP,
817 dev->fw_ver);
818
819 if (qc->id < supported_v4l2_ctrls[i])
820 break;
821 }
822
823 return -EINVAL;
824}
825
826static int vidioc_g_ctrl(struct file *file, void *private_data,
827 struct v4l2_control *ctrl)
828{
829 struct hdpvr_fh *fh = file->private_data;
830 struct hdpvr_device *dev = fh->dev;
831
832 switch (ctrl->id) {
833 case V4L2_CID_BRIGHTNESS:
834 ctrl->value = dev->options.brightness;
835 break;
836 case V4L2_CID_CONTRAST:
837 ctrl->value = dev->options.contrast;
838 break;
839 case V4L2_CID_SATURATION:
840 ctrl->value = dev->options.saturation;
841 break;
842 case V4L2_CID_HUE:
843 ctrl->value = dev->options.hue;
844 break;
845 case V4L2_CID_SHARPNESS:
846 ctrl->value = dev->options.sharpness;
847 break;
848 default:
849 return -EINVAL;
850 }
851 return 0;
852}
853
854static int vidioc_s_ctrl(struct file *file, void *private_data,
855 struct v4l2_control *ctrl)
856{
857 struct hdpvr_fh *fh = file->private_data;
858 struct hdpvr_device *dev = fh->dev;
859 int retval;
860
861 switch (ctrl->id) {
862 case V4L2_CID_BRIGHTNESS:
863 retval = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->value);
864 if (!retval)
865 dev->options.brightness = ctrl->value;
866 break;
867 case V4L2_CID_CONTRAST:
868 retval = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->value);
869 if (!retval)
870 dev->options.contrast = ctrl->value;
871 break;
872 case V4L2_CID_SATURATION:
873 retval = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->value);
874 if (!retval)
875 dev->options.saturation = ctrl->value;
876 break;
877 case V4L2_CID_HUE:
878 retval = hdpvr_config_call(dev, CTRL_HUE, ctrl->value);
879 if (!retval)
880 dev->options.hue = ctrl->value;
881 break;
882 case V4L2_CID_SHARPNESS:
883 retval = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->value);
884 if (!retval)
885 dev->options.sharpness = ctrl->value;
886 break;
887 default:
888 return -EINVAL;
889 }
890
891 return retval;
892}
893
894
895static int hdpvr_get_ctrl(struct hdpvr_options *opt,
896 struct v4l2_ext_control *ctrl)
897{
898 switch (ctrl->id) {
899 case V4L2_CID_MPEG_AUDIO_ENCODING:
900 ctrl->value = opt->audio_codec;
901 break;
902 case V4L2_CID_MPEG_VIDEO_ENCODING:
903 ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC;
904 break;
905/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
906/* ctrl->value = (opt->gop_mode & 0x2) ? 0 : 128; */
907/* break; */
908 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
909 ctrl->value = opt->bitrate_mode == HDPVR_CONSTANT
910 ? V4L2_MPEG_VIDEO_BITRATE_MODE_CBR
911 : V4L2_MPEG_VIDEO_BITRATE_MODE_VBR;
912 break;
913 case V4L2_CID_MPEG_VIDEO_BITRATE:
914 ctrl->value = opt->bitrate * 100000;
915 break;
916 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
917 ctrl->value = opt->peak_bitrate * 100000;
918 break;
919 case V4L2_CID_MPEG_STREAM_TYPE:
920 ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS;
921 break;
922 default:
923 return -EINVAL;
924 }
925 return 0;
926}
927
928static int vidioc_g_ext_ctrls(struct file *file, void *priv,
929 struct v4l2_ext_controls *ctrls)
930{
931 struct hdpvr_fh *fh = file->private_data;
932 struct hdpvr_device *dev = fh->dev;
933 int i, err = 0;
934
935 if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
936 for (i = 0; i < ctrls->count; i++) {
937 struct v4l2_ext_control *ctrl = ctrls->controls + i;
938
939 err = hdpvr_get_ctrl(&dev->options, ctrl);
940 if (err) {
941 ctrls->error_idx = i;
942 break;
943 }
944 }
945 return err;
946
947 }
948
949 return -EINVAL;
950}
951
952
953static int hdpvr_try_ctrl(struct v4l2_ext_control *ctrl, int ac3)
954{
955 int ret = -EINVAL;
956
957 switch (ctrl->id) {
958 case V4L2_CID_MPEG_AUDIO_ENCODING:
959 if (ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AAC ||
960 (ac3 && ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AC3))
961 ret = 0;
962 break;
963 case V4L2_CID_MPEG_VIDEO_ENCODING:
964 if (ctrl->value == V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC)
965 ret = 0;
966 break;
967/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
968/* if (ctrl->value == 0 || ctrl->value == 128) */
969/* ret = 0; */
970/* break; */
971 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
972 if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR ||
973 ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
974 ret = 0;
975 break;
976 case V4L2_CID_MPEG_VIDEO_BITRATE:
977 {
978 uint bitrate = ctrl->value / 100000;
979 if (bitrate >= 10 && bitrate <= 135)
980 ret = 0;
981 break;
982 }
983 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
984 {
985 uint peak_bitrate = ctrl->value / 100000;
986 if (peak_bitrate >= 10 && peak_bitrate <= 202)
987 ret = 0;
988 break;
989 }
990 case V4L2_CID_MPEG_STREAM_TYPE:
991 if (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)
992 ret = 0;
993 break;
994 default:
995 return -EINVAL;
996 }
997 return ret;
998}
999
1000static int vidioc_try_ext_ctrls(struct file *file, void *priv,
1001 struct v4l2_ext_controls *ctrls)
1002{
1003 struct hdpvr_fh *fh = file->private_data;
1004 struct hdpvr_device *dev = fh->dev;
1005 int i, err = 0;
1006
1007 if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
1008 for (i = 0; i < ctrls->count; i++) {
1009 struct v4l2_ext_control *ctrl = ctrls->controls + i;
1010
1011 err = hdpvr_try_ctrl(ctrl,
1012 dev->flags & HDPVR_FLAG_AC3_CAP);
1013 if (err) {
1014 ctrls->error_idx = i;
1015 break;
1016 }
1017 }
1018 return err;
1019 }
1020
1021 return -EINVAL;
1022}
1023
1024
1025static int hdpvr_set_ctrl(struct hdpvr_device *dev,
1026 struct v4l2_ext_control *ctrl)
1027{
1028 struct hdpvr_options *opt = &dev->options;
1029 int ret = 0;
1030
1031 switch (ctrl->id) {
1032 case V4L2_CID_MPEG_AUDIO_ENCODING:
1033 if (dev->flags & HDPVR_FLAG_AC3_CAP) {
1034 opt->audio_codec = ctrl->value;
1035 ret = hdpvr_set_audio(dev, opt->audio_input,
1036 opt->audio_codec);
1037 }
1038 break;
1039 case V4L2_CID_MPEG_VIDEO_ENCODING:
1040 break;
1041/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
1042/* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */
1043/* opt->gop_mode |= 0x2; */
1044/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
1045/* opt->gop_mode); */
1046/* } */
1047/* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */
1048/* opt->gop_mode &= ~0x2; */
1049/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
1050/* opt->gop_mode); */
1051/* } */
1052/* break; */
1053 case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
1054 if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR &&
1055 opt->bitrate_mode != HDPVR_CONSTANT) {
1056 opt->bitrate_mode = HDPVR_CONSTANT;
1057 hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
1058 opt->bitrate_mode);
1059 }
1060 if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
1061 opt->bitrate_mode == HDPVR_CONSTANT) {
1062 opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE;
1063 hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
1064 opt->bitrate_mode);
1065 }
1066 break;
1067 case V4L2_CID_MPEG_VIDEO_BITRATE: {
1068 uint bitrate = ctrl->value / 100000;
1069
1070 opt->bitrate = bitrate;
1071 if (bitrate >= opt->peak_bitrate)
1072 opt->peak_bitrate = bitrate+1;
1073
1074 hdpvr_set_bitrate(dev);
1075 break;
1076 }
1077 case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: {
1078 uint peak_bitrate = ctrl->value / 100000;
1079
1080 if (opt->bitrate_mode == HDPVR_CONSTANT)
1081 break;
1082
1083 if (opt->bitrate < peak_bitrate) {
1084 opt->peak_bitrate = peak_bitrate;
1085 hdpvr_set_bitrate(dev);
1086 } else
1087 ret = -EINVAL;
1088 break;
1089 }
1090 case V4L2_CID_MPEG_STREAM_TYPE:
1091 break;
1092 default:
1093 return -EINVAL;
1094 }
1095 return ret;
1096}
1097
1098static int vidioc_s_ext_ctrls(struct file *file, void *priv,
1099 struct v4l2_ext_controls *ctrls)
1100{
1101 struct hdpvr_fh *fh = file->private_data;
1102 struct hdpvr_device *dev = fh->dev;
1103 int i, err = 0;
1104
1105 if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
1106 for (i = 0; i < ctrls->count; i++) {
1107 struct v4l2_ext_control *ctrl = ctrls->controls + i;
1108
1109 err = hdpvr_try_ctrl(ctrl,
1110 dev->flags & HDPVR_FLAG_AC3_CAP);
1111 if (err) {
1112 ctrls->error_idx = i;
1113 break;
1114 }
1115 err = hdpvr_set_ctrl(dev, ctrl);
1116 if (err) {
1117 ctrls->error_idx = i;
1118 break;
1119 }
1120 }
1121 return err;
1122
1123 }
1124
1125 return -EINVAL;
1126}
1127
1128static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data,
1129 struct v4l2_fmtdesc *f)
1130{
1131
1132 if (f->index != 0 || f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1133 return -EINVAL;
1134
1135 f->flags = V4L2_FMT_FLAG_COMPRESSED;
1136 strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32);
1137 f->pixelformat = V4L2_PIX_FMT_MPEG;
1138
1139 return 0;
1140}
1141
1142static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data,
1143 struct v4l2_format *f)
1144{
1145 struct hdpvr_fh *fh = file->private_data;
1146 struct hdpvr_device *dev = fh->dev;
1147 struct hdpvr_video_info *vid_info;
1148
1149 if (!dev)
1150 return -ENODEV;
1151
1152 vid_info = get_video_info(dev);
1153 if (!vid_info)
1154 return -EFAULT;
1155
1156 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1157 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1158 f->fmt.pix.width = vid_info->width;
1159 f->fmt.pix.height = vid_info->height;
1160 f->fmt.pix.sizeimage = dev->bulk_in_size;
1161 f->fmt.pix.colorspace = 0;
1162 f->fmt.pix.bytesperline = 0;
1163 f->fmt.pix.field = V4L2_FIELD_ANY;
1164
1165 kfree(vid_info);
1166 return 0;
1167}
1168
1169static int vidioc_encoder_cmd(struct file *filp, void *priv,
1170 struct v4l2_encoder_cmd *a)
1171{
1172 struct hdpvr_fh *fh = filp->private_data;
1173 struct hdpvr_device *dev = fh->dev;
1174 int res;
1175
1176 mutex_lock(&dev->io_mutex);
1177
1178 memset(&a->raw, 0, sizeof(a->raw));
1179 switch (a->cmd) {
1180 case V4L2_ENC_CMD_START:
1181 a->flags = 0;
1182 res = hdpvr_start_streaming(dev);
1183 break;
1184 case V4L2_ENC_CMD_STOP:
1185 res = hdpvr_stop_streaming(dev);
1186 break;
1187 default:
1188 v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
1189 "Unsupported encoder cmd %d\n", a->cmd);
1190 res = -EINVAL;
1191 }
1192 mutex_unlock(&dev->io_mutex);
1193 return res;
1194}
1195
1196static int vidioc_try_encoder_cmd(struct file *filp, void *priv,
1197 struct v4l2_encoder_cmd *a)
1198{
1199 switch (a->cmd) {
1200 case V4L2_ENC_CMD_START:
1201 case V4L2_ENC_CMD_STOP:
1202 return 0;
1203 default:
1204 return -EINVAL;
1205 }
1206}
1207
1208static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = {
1209 .vidioc_querycap = vidioc_querycap,
1210 .vidioc_s_std = vidioc_s_std,
1211 .vidioc_enum_input = vidioc_enum_input,
1212 .vidioc_g_input = vidioc_g_input,
1213 .vidioc_s_input = vidioc_s_input,
1214 .vidioc_enumaudio = vidioc_enumaudio,
1215 .vidioc_g_audio = vidioc_g_audio,
1216 .vidioc_s_audio = vidioc_s_audio,
1217 .vidioc_queryctrl = vidioc_queryctrl,
1218 .vidioc_g_ctrl = vidioc_g_ctrl,
1219 .vidioc_s_ctrl = vidioc_s_ctrl,
1220 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1221 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1222 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1223 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1224 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1225 .vidioc_encoder_cmd = vidioc_encoder_cmd,
1226 .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd,
1227};
1228
1229static void hdpvr_device_release(struct video_device *vdev)
1230{
1231 struct hdpvr_device *dev = video_get_drvdata(vdev);
1232
1233 hdpvr_delete(dev);
1234 mutex_lock(&dev->io_mutex);
1235 destroy_workqueue(dev->workqueue);
1236 mutex_unlock(&dev->io_mutex);
1237
1238 v4l2_device_unregister(&dev->v4l2_dev);
1239
1240 /* deregister I2C adapter */
1241#if defined(CONFIG_I2C) || (CONFIG_I2C_MODULE)
1242 mutex_lock(&dev->i2c_mutex);
1243 i2c_del_adapter(&dev->i2c_adapter);
1244 mutex_unlock(&dev->i2c_mutex);
1245#endif /* CONFIG_I2C */
1246
1247 kfree(dev->usbc_buf);
1248 kfree(dev);
1249}
1250
1251static const struct video_device hdpvr_video_template = {
1252/* .type = VFL_TYPE_GRABBER, */
1253/* .type2 = VID_TYPE_CAPTURE | VID_TYPE_MPEG_ENCODER, */
1254 .fops = &hdpvr_fops,
1255 .release = hdpvr_device_release,
1256 .ioctl_ops = &hdpvr_ioctl_ops,
1257 .tvnorms =
1258 V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_B |
1259 V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I |
1260 V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N |
1261 V4L2_STD_PAL_60,
1262 .current_norm = V4L2_STD_NTSC | V4L2_STD_PAL_M |
1263 V4L2_STD_PAL_60,
1264};
1265
1266int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
1267 int devnum)
1268{
1269 /* setup and register video device */
1270 dev->video_dev = video_device_alloc();
1271 if (!dev->video_dev) {
1272 v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n");
1273 goto error;
1274 }
1275
1276 *(dev->video_dev) = hdpvr_video_template;
1277 strcpy(dev->video_dev->name, "Hauppauge HD PVR");
1278 dev->video_dev->parent = parent;
1279 video_set_drvdata(dev->video_dev, dev);
1280
1281 if (video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum)) {
1282 v4l2_err(&dev->v4l2_dev, "video_device registration failed\n");
1283 goto error;
1284 }
1285
1286 return 0;
1287error:
1288 return -ENOMEM;
1289}
diff --git a/drivers/media/usb/hdpvr/hdpvr.h b/drivers/media/usb/hdpvr/hdpvr.h
new file mode 100644
index 000000000000..fea3c6926997
--- /dev/null
+++ b/drivers/media/usb/hdpvr/hdpvr.h
@@ -0,0 +1,317 @@
1/*
2 * Hauppauge HD PVR USB driver
3 *
4 * Copyright (C) 2008 Janne Grunau (j@jannau.net)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 *
10 */
11
12#include <linux/usb.h>
13#include <linux/i2c.h>
14#include <linux/mutex.h>
15#include <linux/workqueue.h>
16#include <linux/videodev2.h>
17
18#include <media/v4l2-device.h>
19#include <media/ir-kbd-i2c.h>
20
21#define HDPVR_MAX 8
22#define HDPVR_I2C_MAX_SIZE 128
23
24/* Define these values to match your devices */
25#define HD_PVR_VENDOR_ID 0x2040
26#define HD_PVR_PRODUCT_ID 0x4900
27#define HD_PVR_PRODUCT_ID1 0x4901
28#define HD_PVR_PRODUCT_ID2 0x4902
29#define HD_PVR_PRODUCT_ID4 0x4903
30#define HD_PVR_PRODUCT_ID3 0x4982
31
32#define UNSET (-1U)
33
34#define NUM_BUFFERS 64
35
36#define HDPVR_FIRMWARE_VERSION 0x08
37#define HDPVR_FIRMWARE_VERSION_AC3 0x0d
38#define HDPVR_FIRMWARE_VERSION_0X12 0x12
39#define HDPVR_FIRMWARE_VERSION_0X15 0x15
40
41/* #define HDPVR_DEBUG */
42
43extern int hdpvr_debug;
44
45#define MSG_INFO 1
46#define MSG_BUFFER 2
47
48struct hdpvr_options {
49 u8 video_std;
50 u8 video_input;
51 u8 audio_input;
52 u8 bitrate; /* in 100kbps */
53 u8 peak_bitrate; /* in 100kbps */
54 u8 bitrate_mode;
55 u8 gop_mode;
56 enum v4l2_mpeg_audio_encoding audio_codec;
57 u8 brightness;
58 u8 contrast;
59 u8 hue;
60 u8 saturation;
61 u8 sharpness;
62};
63
64/* Structure to hold all of our device specific stuff */
65struct hdpvr_device {
66 /* the v4l device for this device */
67 struct video_device *video_dev;
68 /* the usb device for this device */
69 struct usb_device *udev;
70 /* v4l2-device unused */
71 struct v4l2_device v4l2_dev;
72
73 /* the max packet size of the bulk endpoint */
74 size_t bulk_in_size;
75 /* the address of the bulk in endpoint */
76 __u8 bulk_in_endpointAddr;
77
78 /* holds the current device status */
79 __u8 status;
80 /* count the number of openers */
81 uint open_count;
82
83 /* holds the cureent set options */
84 struct hdpvr_options options;
85
86 uint flags;
87
88 /* synchronize I/O */
89 struct mutex io_mutex;
90 /* available buffers */
91 struct list_head free_buff_list;
92 /* in progress buffers */
93 struct list_head rec_buff_list;
94 /* waitqueue for buffers */
95 wait_queue_head_t wait_buffer;
96 /* waitqueue for data */
97 wait_queue_head_t wait_data;
98 /**/
99 struct workqueue_struct *workqueue;
100 /**/
101 struct work_struct worker;
102
103 /* I2C adapter */
104 struct i2c_adapter i2c_adapter;
105 /* I2C lock */
106 struct mutex i2c_mutex;
107 /* I2C message buffer space */
108 char i2c_buf[HDPVR_I2C_MAX_SIZE];
109
110 /* For passing data to ir-kbd-i2c */
111 struct IR_i2c_init_data ir_i2c_init_data;
112
113 /* usb control transfer buffer and lock */
114 struct mutex usbc_mutex;
115 u8 *usbc_buf;
116 u8 fw_ver;
117};
118
119static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev)
120{
121 return container_of(v4l2_dev, struct hdpvr_device, v4l2_dev);
122}
123
124
125/* buffer one bulk urb of data */
126struct hdpvr_buffer {
127 struct list_head buff_list;
128
129 struct urb *urb;
130
131 struct hdpvr_device *dev;
132
133 uint pos;
134
135 __u8 status;
136};
137
138/* */
139
140struct hdpvr_video_info {
141 u16 width;
142 u16 height;
143 u8 fps;
144};
145
146enum {
147 STATUS_UNINITIALIZED = 0,
148 STATUS_IDLE,
149 STATUS_STARTING,
150 STATUS_SHUTTING_DOWN,
151 STATUS_STREAMING,
152 STATUS_ERROR,
153 STATUS_DISCONNECTED,
154};
155
156enum {
157 HDPVR_FLAG_AC3_CAP = 1,
158};
159
160enum {
161 BUFSTAT_UNINITIALIZED = 0,
162 BUFSTAT_AVAILABLE,
163 BUFSTAT_INPROGRESS,
164 BUFSTAT_READY,
165};
166
167#define CTRL_START_STREAMING_VALUE 0x0700
168#define CTRL_STOP_STREAMING_VALUE 0x0800
169#define CTRL_BITRATE_VALUE 0x1000
170#define CTRL_BITRATE_MODE_VALUE 0x1200
171#define CTRL_GOP_MODE_VALUE 0x1300
172#define CTRL_VIDEO_INPUT_VALUE 0x1500
173#define CTRL_VIDEO_STD_TYPE 0x1700
174#define CTRL_AUDIO_INPUT_VALUE 0x2500
175#define CTRL_BRIGHTNESS 0x2900
176#define CTRL_CONTRAST 0x2a00
177#define CTRL_HUE 0x2b00
178#define CTRL_SATURATION 0x2c00
179#define CTRL_SHARPNESS 0x2d00
180#define CTRL_LOW_PASS_FILTER_VALUE 0x3100
181
182#define CTRL_DEFAULT_INDEX 0x0003
183
184
185 /* :0 s 38 01 1000 0003 0004 4 = 0a00ca00
186 * BITRATE SETTING
187 * 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s
188 * min: 1 mbit/s, max: 13.5 mbit/s
189 * 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s
190 * min: average + 100kbit/s,
191 * max: 20.2 mbit/s
192 */
193
194 /* :0 s 38 01 1200 0003 0001 1 = 02
195 * BIT RATE MODE
196 * constant = 1, variable (peak) = 2, variable (average) = 3
197 */
198
199 /* :0 s 38 01 1300 0003 0001 1 = 03
200 * GOP MODE (2 bit)
201 * low bit 0/1: advanced/simple GOP
202 * high bit 0/1: IDR(4/32/128) / no IDR (4/32/0)
203 */
204
205 /* :0 s 38 01 1700 0003 0001 1 = 00
206 * VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz
207 */
208
209 /* :0 s 38 01 3100 0003 0004 4 = 03030000
210 * FILTER CONTROL
211 * 1st byte luma low pass filter strength,
212 * 2nd byte chroma low pass filter strength,
213 * 3rd byte MF enable chroma, min=0, max=1
214 * 4th byte n
215 */
216
217
218 /* :0 s 38 b9 0001 0000 0000 0 */
219
220
221
222/* :0 s 38 d3 0000 0000 0001 1 = 00 */
223/* ret = usb_control_msg(dev->udev, */
224/* usb_sndctrlpipe(dev->udev, 0), */
225/* 0xd3, 0x38, */
226/* 0, 0, */
227/* "\0", 1, */
228/* 1000); */
229
230/* info("control request returned %d", ret); */
231/* msleep(5000); */
232
233
234 /* :0 s b8 81 1400 0003 0005 5 <
235 * :0 0 5 = d0024002 19
236 * QUERY FRAME SIZE AND RATE
237 * 1st and 2nd byte (little endian): horizontal resolution
238 * 3rd and 4th byte (little endian): vertical resolution
239 * 5th byte: frame rate
240 */
241
242 /* :0 s b8 81 1800 0003 0003 3 <
243 * :0 0 3 = 030104
244 * QUERY SIGNAL AND DETECTED LINES, maybe INPUT
245 */
246
247enum hdpvr_video_std {
248 HDPVR_60HZ = 0,
249 HDPVR_50HZ,
250};
251
252enum hdpvr_video_input {
253 HDPVR_COMPONENT = 0,
254 HDPVR_SVIDEO,
255 HDPVR_COMPOSITE,
256 HDPVR_VIDEO_INPUTS
257};
258
259enum hdpvr_audio_inputs {
260 HDPVR_RCA_BACK = 0,
261 HDPVR_RCA_FRONT,
262 HDPVR_SPDIF,
263 HDPVR_AUDIO_INPUTS
264};
265
266enum hdpvr_bitrate_mode {
267 HDPVR_CONSTANT = 1,
268 HDPVR_VARIABLE_PEAK,
269 HDPVR_VARIABLE_AVERAGE,
270};
271
272enum hdpvr_gop_mode {
273 HDPVR_ADVANCED_IDR_GOP = 0,
274 HDPVR_SIMPLE_IDR_GOP,
275 HDPVR_ADVANCED_NOIDR_GOP,
276 HDPVR_SIMPLE_NOIDR_GOP,
277};
278
279void hdpvr_delete(struct hdpvr_device *dev);
280
281/*========================================================================*/
282/* hardware control functions */
283int hdpvr_set_options(struct hdpvr_device *dev);
284
285int hdpvr_set_bitrate(struct hdpvr_device *dev);
286
287int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
288 enum v4l2_mpeg_audio_encoding codec);
289
290int hdpvr_config_call(struct hdpvr_device *dev, uint value,
291 unsigned char valbuf);
292
293struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev);
294
295/* :0 s b8 81 1800 0003 0003 3 < */
296/* :0 0 3 = 0301ff */
297int get_input_lines_info(struct hdpvr_device *dev);
298
299
300/*========================================================================*/
301/* v4l2 registration */
302int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
303 int devnumber);
304
305int hdpvr_cancel_queue(struct hdpvr_device *dev);
306
307/*========================================================================*/
308/* i2c adapter registration */
309int hdpvr_register_i2c_adapter(struct hdpvr_device *dev);
310
311struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev);
312struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev);
313
314/*========================================================================*/
315/* buffer management */
316int hdpvr_free_buffers(struct hdpvr_device *dev);
317int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count);
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-01 12:03:56 -0500