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 static struct au8522_config hauppauge_hvr950q_config = {
35 .demod_address = 0x8e >> 1,
36 .status_mode = AU8522_DEMODLOCKING,
39 static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
42 .tuner_callback = au0828_tuner_callback
45 /*-------------------------------------------------------------------*/
46 static void urb_completion(struct urb *purb)
49 struct au0828_dev *dev = purb->context;
50 int ptype = usb_pipetype(purb->pipe);
52 dprintk(2, "%s()\n", __func__);
57 if (dev->urb_streaming == 0)
60 if (ptype != PIPE_BULK) {
61 printk(KERN_ERR "%s() Unsupported URB type %d\n",
66 ptr = (u8 *)purb->transfer_buffer;
68 /* Feed the transport payload into the kernel demux */
69 dvb_dmx_swfilter_packets(&dev->dvb.demux, purb->transfer_buffer, purb->actual_length / 188);
71 /* Clean the buffer before we requeue */
72 memset(purb->transfer_buffer, 0, URB_BUFSIZE);
75 usb_submit_urb(purb, GFP_ATOMIC);
78 static int stop_urb_transfer(struct au0828_dev *dev)
82 dprintk(2, "%s()\n", __func__);
84 /* FIXME: Do we need to free the transfer_buffers? */
85 for (i = 0; i < URB_COUNT; i++) {
86 usb_kill_urb(dev->urbs[i]);
87 kfree(dev->urbs[i]->transfer_buffer);
88 usb_free_urb(dev->urbs[i]);
91 dev->urb_streaming = 0;
96 #define _AU0828_BULKPIPE 0x83
97 #define _BULKPIPESIZE 0xe522
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);
120 purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
121 if (!purb->transfer_buffer) {
127 purb->status = -EINPROGRESS;
128 usb_fill_bulk_urb(purb,
130 usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
131 purb->transfer_buffer,
138 for (i = 0; i < URB_COUNT; i++) {
139 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
141 stop_urb_transfer(dev);
142 printk(KERN_ERR "%s: failed urb submission, "
143 "err = %d\n", __func__, ret);
148 dev->urb_streaming = 1;
155 static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
157 struct dvb_demux *demux = feed->demux;
158 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
159 struct au0828_dvb *dvb = &dev->dvb;
162 dprintk(1, "%s()\n", __func__);
164 if (!demux->dmx.frontend)
168 mutex_lock(&dvb->lock);
169 if (dvb->feeding++ == 0) {
170 /* Start transport */
171 au0828_write(dev, 0x608, 0x90);
172 au0828_write(dev, 0x609, 0x72);
173 au0828_write(dev, 0x60a, 0x71);
174 au0828_write(dev, 0x60b, 0x01);
175 ret = start_urb_transfer(dev);
177 mutex_unlock(&dvb->lock);
183 static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
185 struct dvb_demux *demux = feed->demux;
186 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
187 struct au0828_dvb *dvb = &dev->dvb;
190 dprintk(1, "%s()\n", __func__);
193 mutex_lock(&dvb->lock);
194 if (--dvb->feeding == 0) {
196 au0828_write(dev, 0x608, 0x00);
197 au0828_write(dev, 0x609, 0x00);
198 au0828_write(dev, 0x60a, 0x00);
199 au0828_write(dev, 0x60b, 0x00);
200 ret = stop_urb_transfer(dev);
202 mutex_unlock(&dvb->lock);
208 int dvb_register(struct au0828_dev *dev)
210 struct au0828_dvb *dvb = &dev->dvb;
213 dprintk(1, "%s()\n", __func__);
215 /* register adapter */
216 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
217 &dev->usbdev->dev, adapter_nr);
219 printk(KERN_ERR "%s: dvb_register_adapter failed "
220 "(errno = %d)\n", DRIVER_NAME, result);
223 dvb->adapter.priv = dev;
225 /* register frontend */
226 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
228 printk(KERN_ERR "%s: dvb_register_frontend failed "
229 "(errno = %d)\n", DRIVER_NAME, result);
233 /* register demux stuff */
234 dvb->demux.dmx.capabilities =
235 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
236 DMX_MEMORY_BASED_FILTERING;
237 dvb->demux.priv = dev;
238 dvb->demux.filternum = 256;
239 dvb->demux.feednum = 256;
240 dvb->demux.start_feed = au0828_dvb_start_feed;
241 dvb->demux.stop_feed = au0828_dvb_stop_feed;
242 result = dvb_dmx_init(&dvb->demux);
244 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
245 DRIVER_NAME, result);
249 dvb->dmxdev.filternum = 256;
250 dvb->dmxdev.demux = &dvb->demux.dmx;
251 dvb->dmxdev.capabilities = 0;
252 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
254 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
255 DRIVER_NAME, result);
259 dvb->fe_hw.source = DMX_FRONTEND_0;
260 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
262 printk(KERN_ERR "%s: add_frontend failed "
263 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
267 dvb->fe_mem.source = DMX_MEMORY_FE;
268 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
270 printk(KERN_ERR "%s: add_frontend failed "
271 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
275 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
277 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
278 DRIVER_NAME, result);
282 /* register network adapter */
283 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
287 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
289 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
291 dvb_dmxdev_release(&dvb->dmxdev);
293 dvb_dmx_release(&dvb->demux);
295 dvb_unregister_frontend(dvb->frontend);
297 dvb_frontend_detach(dvb->frontend);
298 dvb_unregister_adapter(&dvb->adapter);
303 void au0828_dvb_unregister(struct au0828_dev *dev)
305 struct au0828_dvb *dvb = &dev->dvb;
307 dprintk(1, "%s()\n", __func__);
309 if(dvb->frontend == NULL)
312 dvb_net_release(&dvb->net);
313 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
314 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
315 dvb_dmxdev_release(&dvb->dmxdev);
316 dvb_dmx_release(&dvb->demux);
317 dvb_unregister_frontend(dvb->frontend);
318 dvb_frontend_detach(dvb->frontend);
319 dvb_unregister_adapter(&dvb->adapter);
322 /* All the DVB attach calls go here, this function get's modified
323 * for each new card. No other function in this file needs
326 int au0828_dvb_register(struct au0828_dev *dev)
328 struct au0828_dvb *dvb = &dev->dvb;
331 dprintk(1, "%s()\n", __func__);
334 switch (dev->board) {
335 case AU0828_BOARD_HAUPPAUGE_HVR850:
336 case AU0828_BOARD_HAUPPAUGE_HVR950Q:
337 case AU0828_BOARD_DVICO_FUSIONHDTV7:
338 dvb->frontend = dvb_attach(au8522_attach,
339 &hauppauge_hvr950q_config,
341 if (dvb->frontend != NULL) {
342 hauppauge_hvr950q_tunerconfig.priv = dev;
343 dvb_attach(xc5000_attach, dvb->frontend,
345 &hauppauge_hvr950q_tunerconfig);
349 printk(KERN_WARNING "The frontend of your DVB/ATSC card "
350 "isn't supported yet\n");
353 if (NULL == dvb->frontend) {
354 printk(KERN_ERR "%s() Frontend initialization failed\n",
359 /* Put the analog decoder in standby to keep it quiet */
360 au0828_call_i2c_clients(dev, TUNER_SET_STANDBY, NULL);
362 if (dvb->frontend->ops.analog_ops.standby)
363 dvb->frontend->ops.analog_ops.standby(dvb->frontend);
365 /* register everything */
366 ret = dvb_register(dev);
368 if (dvb->frontend->ops.release)
369 dvb->frontend->ops.release(dvb->frontend);