2 * Driver for the Auvitek USB bridge
4 * Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/device.h>
25 #include <linux/suspend.h>
26 #include <media/v4l2-common.h>
32 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
34 #define _AU0828_BULKPIPE 0x83
35 #define _BULKPIPESIZE 0xe522
37 static struct au8522_config hauppauge_hvr950q_config = {
38 .demod_address = 0x8e >> 1,
39 .status_mode = AU8522_DEMODLOCKING,
42 static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
45 .tuner_callback = au0828_tuner_callback
48 /*-------------------------------------------------------------------*/
49 static void urb_completion(struct urb *purb)
52 struct au0828_dev *dev = purb->context;
53 int ptype = usb_pipetype(purb->pipe);
55 dprintk(2, "%s()\n", __func__);
60 if (dev->urb_streaming == 0)
63 if (ptype != PIPE_BULK) {
64 printk(KERN_ERR "%s() Unsupported URB type %d\n",
69 ptr = (u8 *)purb->transfer_buffer;
71 /* Feed the transport payload into the kernel demux */
72 dvb_dmx_swfilter_packets(&dev->dvb.demux,
73 purb->transfer_buffer, purb->actual_length / 188);
75 /* Clean the buffer before we requeue */
76 memset(purb->transfer_buffer, 0, URB_BUFSIZE);
79 usb_submit_urb(purb, GFP_ATOMIC);
82 static int stop_urb_transfer(struct au0828_dev *dev)
86 dprintk(2, "%s()\n", __func__);
88 for (i = 0; i < URB_COUNT; i++) {
89 usb_kill_urb(dev->urbs[i]);
90 kfree(dev->urbs[i]->transfer_buffer);
91 usb_free_urb(dev->urbs[i]);
94 dev->urb_streaming = 0;
99 static int start_urb_transfer(struct au0828_dev *dev)
102 int i, ret = -ENOMEM;
104 dprintk(2, "%s()\n", __func__);
106 if (dev->urb_streaming) {
107 dprintk(2, "%s: iso xfer already running!\n", __func__);
111 for (i = 0; i < URB_COUNT; i++) {
113 dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
119 purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
120 if (!purb->transfer_buffer) {
126 purb->status = -EINPROGRESS;
127 usb_fill_bulk_urb(purb,
129 usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
130 purb->transfer_buffer,
137 for (i = 0; i < URB_COUNT; i++) {
138 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
140 stop_urb_transfer(dev);
141 printk(KERN_ERR "%s: failed urb submission, "
142 "err = %d\n", __func__, ret);
147 dev->urb_streaming = 1;
154 static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
156 struct dvb_demux *demux = feed->demux;
157 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
158 struct au0828_dvb *dvb = &dev->dvb;
161 dprintk(1, "%s()\n", __func__);
163 if (!demux->dmx.frontend)
167 mutex_lock(&dvb->lock);
168 if (dvb->feeding++ == 0) {
169 /* Start transport */
170 au0828_write(dev, 0x608, 0x90);
171 au0828_write(dev, 0x609, 0x72);
172 au0828_write(dev, 0x60a, 0x71);
173 au0828_write(dev, 0x60b, 0x01);
174 ret = start_urb_transfer(dev);
176 mutex_unlock(&dvb->lock);
182 static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
184 struct dvb_demux *demux = feed->demux;
185 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
186 struct au0828_dvb *dvb = &dev->dvb;
189 dprintk(1, "%s()\n", __func__);
192 mutex_lock(&dvb->lock);
193 if (--dvb->feeding == 0) {
195 au0828_write(dev, 0x608, 0x00);
196 au0828_write(dev, 0x609, 0x00);
197 au0828_write(dev, 0x60a, 0x00);
198 au0828_write(dev, 0x60b, 0x00);
199 ret = stop_urb_transfer(dev);
201 mutex_unlock(&dvb->lock);
207 static int dvb_register(struct au0828_dev *dev)
209 struct au0828_dvb *dvb = &dev->dvb;
212 dprintk(1, "%s()\n", __func__);
214 /* register adapter */
215 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
216 &dev->usbdev->dev, adapter_nr);
218 printk(KERN_ERR "%s: dvb_register_adapter failed "
219 "(errno = %d)\n", DRIVER_NAME, result);
222 dvb->adapter.priv = dev;
224 /* register frontend */
225 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
227 printk(KERN_ERR "%s: dvb_register_frontend failed "
228 "(errno = %d)\n", DRIVER_NAME, result);
232 /* register demux stuff */
233 dvb->demux.dmx.capabilities =
234 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
235 DMX_MEMORY_BASED_FILTERING;
236 dvb->demux.priv = dev;
237 dvb->demux.filternum = 256;
238 dvb->demux.feednum = 256;
239 dvb->demux.start_feed = au0828_dvb_start_feed;
240 dvb->demux.stop_feed = au0828_dvb_stop_feed;
241 result = dvb_dmx_init(&dvb->demux);
243 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
244 DRIVER_NAME, result);
248 dvb->dmxdev.filternum = 256;
249 dvb->dmxdev.demux = &dvb->demux.dmx;
250 dvb->dmxdev.capabilities = 0;
251 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
253 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
254 DRIVER_NAME, result);
258 dvb->fe_hw.source = DMX_FRONTEND_0;
259 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
261 printk(KERN_ERR "%s: add_frontend failed "
262 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
266 dvb->fe_mem.source = DMX_MEMORY_FE;
267 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
269 printk(KERN_ERR "%s: add_frontend failed "
270 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
274 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
276 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
277 DRIVER_NAME, result);
281 /* register network adapter */
282 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
286 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
288 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
290 dvb_dmxdev_release(&dvb->dmxdev);
292 dvb_dmx_release(&dvb->demux);
294 dvb_unregister_frontend(dvb->frontend);
296 dvb_frontend_detach(dvb->frontend);
297 dvb_unregister_adapter(&dvb->adapter);
302 void au0828_dvb_unregister(struct au0828_dev *dev)
304 struct au0828_dvb *dvb = &dev->dvb;
306 dprintk(1, "%s()\n", __func__);
308 if (dvb->frontend == NULL)
311 dvb_net_release(&dvb->net);
312 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
313 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
314 dvb_dmxdev_release(&dvb->dmxdev);
315 dvb_dmx_release(&dvb->demux);
316 dvb_unregister_frontend(dvb->frontend);
317 dvb_frontend_detach(dvb->frontend);
318 dvb_unregister_adapter(&dvb->adapter);
321 /* All the DVB attach calls go here, this function get's modified
322 * for each new card. No other function in this file needs
325 int au0828_dvb_register(struct au0828_dev *dev)
327 struct au0828_dvb *dvb = &dev->dvb;
330 dprintk(1, "%s()\n", __func__);
333 switch (dev->board) {
334 case AU0828_BOARD_HAUPPAUGE_HVR850:
335 case AU0828_BOARD_HAUPPAUGE_HVR950Q:
336 case AU0828_BOARD_DVICO_FUSIONHDTV7:
337 dvb->frontend = dvb_attach(au8522_attach,
338 &hauppauge_hvr950q_config,
340 if (dvb->frontend != NULL)
341 dvb_attach(xc5000_attach, dvb->frontend,
343 &hauppauge_hvr950q_tunerconfig, dev);
346 printk(KERN_WARNING "The frontend of your DVB/ATSC card "
347 "isn't supported yet\n");
350 if (NULL == dvb->frontend) {
351 printk(KERN_ERR "%s() Frontend initialization failed\n",
356 /* register everything */
357 ret = dvb_register(dev);
359 if (dvb->frontend->ops.release)
360 dvb->frontend->ops.release(dvb->frontend);