2 * Driver for the Auvitek USB bridge
4 * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
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/slab.h>
24 #include <linux/init.h>
25 #include <linux/device.h>
26 #include <linux/suspend.h>
27 #include <media/v4l2-common.h>
28 #include <media/tuner.h>
36 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
38 #define _AU0828_BULKPIPE 0x83
39 #define _BULKPIPESIZE 0xe522
41 static u8 hauppauge_hvr950q_led_states[] = {
47 static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
48 .gpio_output = 0x00e0,
49 .gpio_output_enable = 0x6006,
50 .gpio_output_disable = 0x0660,
53 .led_states = hauppauge_hvr950q_led_states,
54 .num_led_states = sizeof(hauppauge_hvr950q_led_states),
56 .vsb8_strong = 20 /* dB */ * 10,
57 .qam64_strong = 25 /* dB */ * 10,
58 .qam256_strong = 32 /* dB */ * 10,
61 static struct au8522_config hauppauge_hvr950q_config = {
62 .demod_address = 0x8e >> 1,
63 .status_mode = AU8522_DEMODLOCKING,
64 .qam_if = AU8522_IF_6MHZ,
65 .vsb_if = AU8522_IF_6MHZ,
66 .led_cfg = &hauppauge_hvr950q_led_cfg,
69 static struct au8522_config fusionhdtv7usb_config = {
70 .demod_address = 0x8e >> 1,
71 .status_mode = AU8522_DEMODLOCKING,
72 .qam_if = AU8522_IF_6MHZ,
73 .vsb_if = AU8522_IF_6MHZ,
76 static struct au8522_config hauppauge_woodbury_config = {
77 .demod_address = 0x8e >> 1,
78 .status_mode = AU8522_DEMODLOCKING,
79 .qam_if = AU8522_IF_4MHZ,
80 .vsb_if = AU8522_IF_3_25MHZ,
83 static struct xc5000_config hauppauge_xc5000a_config = {
89 static struct xc5000_config hauppauge_xc5000c_config = {
95 static struct mxl5007t_config mxl5007t_hvr950q_config = {
96 .xtal_freq_hz = MxL_XTAL_24_MHZ,
97 .if_freq_hz = MxL_IF_6_MHZ,
100 static struct tda18271_config hauppauge_woodbury_tunerconfig = {
101 .gate = TDA18271_GATE_DIGITAL,
104 static void au0828_restart_dvb_streaming(struct work_struct *work);
106 /*-------------------------------------------------------------------*/
107 static void urb_completion(struct urb *purb)
109 struct au0828_dev *dev = purb->context;
110 int ptype = usb_pipetype(purb->pipe);
113 dprintk(2, "%s()\n", __func__);
118 if (dev->urb_streaming == 0)
121 if (ptype != PIPE_BULK) {
122 printk(KERN_ERR "%s() Unsupported URB type %d\n",
127 /* See if the stream is corrupted (to work around a hardware
128 bug where the stream gets misaligned */
129 ptr = purb->transfer_buffer;
130 if (purb->actual_length > 0 && ptr[0] != 0x47) {
131 dprintk(1, "Need to restart streaming %02x len=%d!\n",
132 ptr[0], purb->actual_length);
133 schedule_work(&dev->restart_streaming);
137 /* Feed the transport payload into the kernel demux */
138 dvb_dmx_swfilter_packets(&dev->dvb.demux,
139 purb->transfer_buffer, purb->actual_length / 188);
141 /* Clean the buffer before we requeue */
142 memset(purb->transfer_buffer, 0, URB_BUFSIZE);
145 usb_submit_urb(purb, GFP_ATOMIC);
148 static int stop_urb_transfer(struct au0828_dev *dev)
152 dprintk(2, "%s()\n", __func__);
154 dev->urb_streaming = 0;
155 for (i = 0; i < URB_COUNT; i++) {
156 usb_kill_urb(dev->urbs[i]);
157 kfree(dev->urbs[i]->transfer_buffer);
158 usb_free_urb(dev->urbs[i]);
164 static int start_urb_transfer(struct au0828_dev *dev)
167 int i, ret = -ENOMEM;
169 dprintk(2, "%s()\n", __func__);
171 if (dev->urb_streaming) {
172 dprintk(2, "%s: bulk xfer already running!\n", __func__);
176 for (i = 0; i < URB_COUNT; i++) {
178 dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
184 purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
185 if (!purb->transfer_buffer) {
191 purb->status = -EINPROGRESS;
192 usb_fill_bulk_urb(purb,
194 usb_rcvbulkpipe(dev->usbdev,
196 purb->transfer_buffer,
203 for (i = 0; i < URB_COUNT; i++) {
204 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
206 stop_urb_transfer(dev);
207 printk(KERN_ERR "%s: failed urb submission, "
208 "err = %d\n", __func__, ret);
213 dev->urb_streaming = 1;
220 static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
222 struct dvb_demux *demux = feed->demux;
223 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
224 struct au0828_dvb *dvb = &dev->dvb;
227 dprintk(1, "%s()\n", __func__);
229 if (!demux->dmx.frontend)
233 mutex_lock(&dvb->lock);
234 if (dvb->feeding++ == 0) {
235 /* Start transport */
236 au0828_write(dev, 0x608, 0x90);
237 au0828_write(dev, 0x609, 0x72);
238 au0828_write(dev, 0x60a, 0x71);
239 au0828_write(dev, 0x60b, 0x01);
240 ret = start_urb_transfer(dev);
242 mutex_unlock(&dvb->lock);
248 static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
250 struct dvb_demux *demux = feed->demux;
251 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
252 struct au0828_dvb *dvb = &dev->dvb;
255 dprintk(1, "%s()\n", __func__);
258 mutex_lock(&dvb->lock);
259 if (--dvb->feeding == 0) {
261 ret = stop_urb_transfer(dev);
262 au0828_write(dev, 0x60b, 0x00);
264 mutex_unlock(&dvb->lock);
270 static void au0828_restart_dvb_streaming(struct work_struct *work)
272 struct au0828_dev *dev = container_of(work, struct au0828_dev,
274 struct au0828_dvb *dvb = &dev->dvb;
277 if (dev->urb_streaming == 0)
280 dprintk(1, "Restarting streaming...!\n");
282 mutex_lock(&dvb->lock);
285 ret = stop_urb_transfer(dev);
286 au0828_write(dev, 0x608, 0x00);
287 au0828_write(dev, 0x609, 0x00);
288 au0828_write(dev, 0x60a, 0x00);
289 au0828_write(dev, 0x60b, 0x00);
291 /* Start transport */
292 au0828_write(dev, 0x608, 0x90);
293 au0828_write(dev, 0x609, 0x72);
294 au0828_write(dev, 0x60a, 0x71);
295 au0828_write(dev, 0x60b, 0x01);
296 ret = start_urb_transfer(dev);
298 mutex_unlock(&dvb->lock);
301 static int dvb_register(struct au0828_dev *dev)
303 struct au0828_dvb *dvb = &dev->dvb;
306 dprintk(1, "%s()\n", __func__);
308 INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);
310 /* register adapter */
311 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
312 &dev->usbdev->dev, adapter_nr);
314 printk(KERN_ERR "%s: dvb_register_adapter failed "
315 "(errno = %d)\n", DRIVER_NAME, result);
318 dvb->adapter.priv = dev;
320 /* register frontend */
321 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
323 printk(KERN_ERR "%s: dvb_register_frontend failed "
324 "(errno = %d)\n", DRIVER_NAME, result);
328 /* register demux stuff */
329 dvb->demux.dmx.capabilities =
330 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
331 DMX_MEMORY_BASED_FILTERING;
332 dvb->demux.priv = dev;
333 dvb->demux.filternum = 256;
334 dvb->demux.feednum = 256;
335 dvb->demux.start_feed = au0828_dvb_start_feed;
336 dvb->demux.stop_feed = au0828_dvb_stop_feed;
337 result = dvb_dmx_init(&dvb->demux);
339 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
340 DRIVER_NAME, result);
344 dvb->dmxdev.filternum = 256;
345 dvb->dmxdev.demux = &dvb->demux.dmx;
346 dvb->dmxdev.capabilities = 0;
347 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
349 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
350 DRIVER_NAME, result);
354 dvb->fe_hw.source = DMX_FRONTEND_0;
355 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
357 printk(KERN_ERR "%s: add_frontend failed "
358 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
362 dvb->fe_mem.source = DMX_MEMORY_FE;
363 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
365 printk(KERN_ERR "%s: add_frontend failed "
366 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
370 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
372 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
373 DRIVER_NAME, result);
377 /* register network adapter */
378 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
382 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
384 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
386 dvb_dmxdev_release(&dvb->dmxdev);
388 dvb_dmx_release(&dvb->demux);
390 dvb_unregister_frontend(dvb->frontend);
392 dvb_frontend_detach(dvb->frontend);
393 dvb_unregister_adapter(&dvb->adapter);
398 void au0828_dvb_unregister(struct au0828_dev *dev)
400 struct au0828_dvb *dvb = &dev->dvb;
402 dprintk(1, "%s()\n", __func__);
404 if (dvb->frontend == NULL)
407 dvb_net_release(&dvb->net);
408 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
409 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
410 dvb_dmxdev_release(&dvb->dmxdev);
411 dvb_dmx_release(&dvb->demux);
412 dvb_unregister_frontend(dvb->frontend);
413 dvb_frontend_detach(dvb->frontend);
414 dvb_unregister_adapter(&dvb->adapter);
417 /* All the DVB attach calls go here, this function get's modified
418 * for each new card. No other function in this file needs
421 int au0828_dvb_register(struct au0828_dev *dev)
423 struct au0828_dvb *dvb = &dev->dvb;
426 dprintk(1, "%s()\n", __func__);
429 switch (dev->boardnr) {
430 case AU0828_BOARD_HAUPPAUGE_HVR850:
431 case AU0828_BOARD_HAUPPAUGE_HVR950Q:
432 dvb->frontend = dvb_attach(au8522_attach,
433 &hauppauge_hvr950q_config,
435 if (dvb->frontend != NULL)
436 switch (dev->board.tuner_type) {
439 dvb_attach(xc5000_attach, dvb->frontend,
441 &hauppauge_xc5000a_config);
444 dvb_attach(xc5000_attach, dvb->frontend,
446 &hauppauge_xc5000c_config);
450 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
451 dvb->frontend = dvb_attach(au8522_attach,
452 &hauppauge_hvr950q_config,
454 if (dvb->frontend != NULL)
455 dvb_attach(mxl5007t_attach, dvb->frontend,
456 &dev->i2c_adap, 0x60,
457 &mxl5007t_hvr950q_config);
459 case AU0828_BOARD_HAUPPAUGE_WOODBURY:
460 dvb->frontend = dvb_attach(au8522_attach,
461 &hauppauge_woodbury_config,
463 if (dvb->frontend != NULL)
464 dvb_attach(tda18271_attach, dvb->frontend,
465 0x60, &dev->i2c_adap,
466 &hauppauge_woodbury_tunerconfig);
468 case AU0828_BOARD_DVICO_FUSIONHDTV7:
469 dvb->frontend = dvb_attach(au8522_attach,
470 &fusionhdtv7usb_config,
472 if (dvb->frontend != NULL) {
473 dvb_attach(xc5000_attach, dvb->frontend,
475 &hauppauge_xc5000a_config);
479 printk(KERN_WARNING "The frontend of your DVB/ATSC card "
480 "isn't supported yet\n");
483 if (NULL == dvb->frontend) {
484 printk(KERN_ERR "%s() Frontend initialization failed\n",
488 /* define general-purpose callback pointer */
489 dvb->frontend->callback = au0828_tuner_callback;
491 /* register everything */
492 ret = dvb_register(dev);
494 if (dvb->frontend->ops.release)
495 dvb->frontend->ops.release(dvb->frontend);