1 /*
2 * Driver for the Auvitek USB bridge
3 *
4 * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
5 *
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.
10 *
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
14 *
15 * GNU General Public License for more details.
16 *
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.
20 */
21
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>
27
28 #include "au0828.h"
29 #include "au8522.h"
30 #include "xc5000.h"
31 #include "mxl5007t.h"
32 #include "tda18271.h"
33
34 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
35
36 #define _AU0828_BULKPIPE 0x83
37 #define _BULKPIPESIZE 0xe522
38
39 static u8 hauppauge_hvr950q_led_states[] = {
40 0x00, /* off */
41 0x02, /* yellow */
42 0x04, /* green */
43 };
44
45 static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
46 .gpio_output = 0x00e0,
47 .gpio_output_enable = 0x6006,
48 .gpio_output_disable = 0x0660,
49
50 .gpio_leds = 0x00e2,
51 .led_states = hauppauge_hvr950q_led_states,
52 .num_led_states = sizeof(hauppauge_hvr950q_led_states),
53
54 .vsb8_strong = 20 /* dB */ * 10,
55 .qam64_strong = 25 /* dB */ * 10,
56 .qam256_strong = 32 /* dB */ * 10,
57 };
58
59 static struct au8522_config hauppauge_hvr950q_config = {
60 .demod_address = 0x8e >> 1,
61 .status_mode = AU8522_DEMODLOCKING,
62 .qam_if = AU8522_IF_6MHZ,
63 .vsb_if = AU8522_IF_6MHZ,
64 .led_cfg = &hauppauge_hvr950q_led_cfg,
65 };
66
67 static struct au8522_config fusionhdtv7usb_config = {
68 .demod_address = 0x8e >> 1,
69 .status_mode = AU8522_DEMODLOCKING,
70 .qam_if = AU8522_IF_6MHZ,
71 .vsb_if = AU8522_IF_6MHZ,
72 };
73
74 static struct au8522_config hauppauge_woodbury_config = {
75 .demod_address = 0x8e >> 1,
76 .status_mode = AU8522_DEMODLOCKING,
77 .qam_if = AU8522_IF_4MHZ,
78 .vsb_if = AU8522_IF_3_25MHZ,
79 };
80
81 static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
82 .i2c_address = 0x61,
83 .if_khz = 6000,
84 };
85
86 static struct mxl5007t_config mxl5007t_hvr950q_config = {
87 .xtal_freq_hz = MxL_XTAL_24_MHZ,
88 .if_freq_hz = MxL_IF_6_MHZ,
89 };
90
91 static struct tda18271_config hauppauge_woodbury_tunerconfig = {
92 .gate = TDA18271_GATE_DIGITAL,
93 };
94
95 /*-------------------------------------------------------------------*/
urb_completion(struct urb * purb)96 static void urb_completion(struct urb *purb)
97 {
98 u8 *ptr;
99 struct au0828_dev *dev = purb->context;
100 int ptype = usb_pipetype(purb->pipe);
101
102 dprintk(2, "%s()\n", __func__);
103
104 if (!dev)
105 return;
106
107 if (dev->urb_streaming == 0)
108 return;
109
110 if (ptype != PIPE_BULK) {
111 printk(KERN_ERR "%s() Unsupported URB type %d\n",
112 __func__, ptype);
113 return;
114 }
115
116 ptr = (u8 *)purb->transfer_buffer;
117
118 /* Feed the transport payload into the kernel demux */
119 dvb_dmx_swfilter_packets(&dev->dvb.demux,
120 purb->transfer_buffer, purb->actual_length / 188);
121
122 /* Clean the buffer before we requeue */
123 memset(purb->transfer_buffer, 0, URB_BUFSIZE);
124
125 /* Requeue URB */
126 usb_submit_urb(purb, GFP_ATOMIC);
127 }
128
stop_urb_transfer(struct au0828_dev * dev)129 static int stop_urb_transfer(struct au0828_dev *dev)
130 {
131 int i;
132
133 dprintk(2, "%s()\n", __func__);
134
135 for (i = 0; i < URB_COUNT; i++) {
136 usb_kill_urb(dev->urbs[i]);
137 kfree(dev->urbs[i]->transfer_buffer);
138 usb_free_urb(dev->urbs[i]);
139 }
140
141 dev->urb_streaming = 0;
142
143 return 0;
144 }
145
start_urb_transfer(struct au0828_dev * dev)146 static int start_urb_transfer(struct au0828_dev *dev)
147 {
148 struct urb *purb;
149 int i, ret = -ENOMEM;
150
151 dprintk(2, "%s()\n", __func__);
152
153 if (dev->urb_streaming) {
154 dprintk(2, "%s: iso xfer already running!\n", __func__);
155 return 0;
156 }
157
158 for (i = 0; i < URB_COUNT; i++) {
159
160 dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
161 if (!dev->urbs[i])
162 goto err;
163
164 purb = dev->urbs[i];
165
166 purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
167 if (!purb->transfer_buffer) {
168 usb_free_urb(purb);
169 dev->urbs[i] = NULL;
170 goto err;
171 }
172
173 purb->status = -EINPROGRESS;
174 usb_fill_bulk_urb(purb,
175 dev->usbdev,
176 usb_rcvbulkpipe(dev->usbdev,
177 _AU0828_BULKPIPE),
178 purb->transfer_buffer,
179 URB_BUFSIZE,
180 urb_completion,
181 dev);
182
183 }
184
185 for (i = 0; i < URB_COUNT; i++) {
186 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
187 if (ret != 0) {
188 stop_urb_transfer(dev);
189 printk(KERN_ERR "%s: failed urb submission, "
190 "err = %d\n", __func__, ret);
191 return ret;
192 }
193 }
194
195 dev->urb_streaming = 1;
196 ret = 0;
197
198 err:
199 return ret;
200 }
201
au0828_dvb_start_feed(struct dvb_demux_feed * feed)202 static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
203 {
204 struct dvb_demux *demux = feed->demux;
205 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
206 struct au0828_dvb *dvb = &dev->dvb;
207 int ret = 0;
208
209 dprintk(1, "%s()\n", __func__);
210
211 if (!demux->dmx.frontend)
212 return -EINVAL;
213
214 if (dvb) {
215 mutex_lock(&dvb->lock);
216 if (dvb->feeding++ == 0) {
217 /* Start transport */
218 au0828_write(dev, 0x608, 0x90);
219 au0828_write(dev, 0x609, 0x72);
220 au0828_write(dev, 0x60a, 0x71);
221 au0828_write(dev, 0x60b, 0x01);
222 ret = start_urb_transfer(dev);
223 }
224 mutex_unlock(&dvb->lock);
225 }
226
227 return ret;
228 }
229
au0828_dvb_stop_feed(struct dvb_demux_feed * feed)230 static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
231 {
232 struct dvb_demux *demux = feed->demux;
233 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
234 struct au0828_dvb *dvb = &dev->dvb;
235 int ret = 0;
236
237 dprintk(1, "%s()\n", __func__);
238
239 if (dvb) {
240 mutex_lock(&dvb->lock);
241 if (--dvb->feeding == 0) {
242 /* Stop transport */
243 au0828_write(dev, 0x608, 0x00);
244 au0828_write(dev, 0x609, 0x00);
245 au0828_write(dev, 0x60a, 0x00);
246 au0828_write(dev, 0x60b, 0x00);
247 ret = stop_urb_transfer(dev);
248 }
249 mutex_unlock(&dvb->lock);
250 }
251
252 return ret;
253 }
254
dvb_register(struct au0828_dev * dev)255 static int dvb_register(struct au0828_dev *dev)
256 {
257 struct au0828_dvb *dvb = &dev->dvb;
258 int result;
259
260 dprintk(1, "%s()\n", __func__);
261
262 /* register adapter */
263 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
264 &dev->usbdev->dev, adapter_nr);
265 if (result < 0) {
266 printk(KERN_ERR "%s: dvb_register_adapter failed "
267 "(errno = %d)\n", DRIVER_NAME, result);
268 goto fail_adapter;
269 }
270 dvb->adapter.priv = dev;
271
272 /* register frontend */
273 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
274 if (result < 0) {
275 printk(KERN_ERR "%s: dvb_register_frontend failed "
276 "(errno = %d)\n", DRIVER_NAME, result);
277 goto fail_frontend;
278 }
279
280 /* register demux stuff */
281 dvb->demux.dmx.capabilities =
282 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
283 DMX_MEMORY_BASED_FILTERING;
284 dvb->demux.priv = dev;
285 dvb->demux.filternum = 256;
286 dvb->demux.feednum = 256;
287 dvb->demux.start_feed = au0828_dvb_start_feed;
288 dvb->demux.stop_feed = au0828_dvb_stop_feed;
289 result = dvb_dmx_init(&dvb->demux);
290 if (result < 0) {
291 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
292 DRIVER_NAME, result);
293 goto fail_dmx;
294 }
295
296 dvb->dmxdev.filternum = 256;
297 dvb->dmxdev.demux = &dvb->demux.dmx;
298 dvb->dmxdev.capabilities = 0;
299 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
300 if (result < 0) {
301 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
302 DRIVER_NAME, result);
303 goto fail_dmxdev;
304 }
305
306 dvb->fe_hw.source = DMX_FRONTEND_0;
307 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
308 if (result < 0) {
309 printk(KERN_ERR "%s: add_frontend failed "
310 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
311 goto fail_fe_hw;
312 }
313
314 dvb->fe_mem.source = DMX_MEMORY_FE;
315 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
316 if (result < 0) {
317 printk(KERN_ERR "%s: add_frontend failed "
318 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
319 goto fail_fe_mem;
320 }
321
322 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
323 if (result < 0) {
324 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
325 DRIVER_NAME, result);
326 goto fail_fe_conn;
327 }
328
329 /* register network adapter */
330 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
331 return 0;
332
333 fail_fe_conn:
334 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
335 fail_fe_mem:
336 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
337 fail_fe_hw:
338 dvb_dmxdev_release(&dvb->dmxdev);
339 fail_dmxdev:
340 dvb_dmx_release(&dvb->demux);
341 fail_dmx:
342 dvb_unregister_frontend(dvb->frontend);
343 fail_frontend:
344 dvb_frontend_detach(dvb->frontend);
345 dvb_unregister_adapter(&dvb->adapter);
346 fail_adapter:
347 return result;
348 }
349
au0828_dvb_unregister(struct au0828_dev * dev)350 void au0828_dvb_unregister(struct au0828_dev *dev)
351 {
352 struct au0828_dvb *dvb = &dev->dvb;
353
354 dprintk(1, "%s()\n", __func__);
355
356 if (dvb->frontend == NULL)
357 return;
358
359 dvb_net_release(&dvb->net);
360 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
361 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
362 dvb_dmxdev_release(&dvb->dmxdev);
363 dvb_dmx_release(&dvb->demux);
364 dvb_unregister_frontend(dvb->frontend);
365 dvb_frontend_detach(dvb->frontend);
366 dvb_unregister_adapter(&dvb->adapter);
367 }
368
369 /* All the DVB attach calls go here, this function get's modified
370 * for each new card. No other function in this file needs
371 * to change.
372 */
au0828_dvb_register(struct au0828_dev * dev)373 int au0828_dvb_register(struct au0828_dev *dev)
374 {
375 struct au0828_dvb *dvb = &dev->dvb;
376 int ret;
377
378 dprintk(1, "%s()\n", __func__);
379
380 /* init frontend */
381 switch (dev->board) {
382 case AU0828_BOARD_HAUPPAUGE_HVR850:
383 case AU0828_BOARD_HAUPPAUGE_HVR950Q:
384 dvb->frontend = dvb_attach(au8522_attach,
385 &hauppauge_hvr950q_config,
386 &dev->i2c_adap);
387 if (dvb->frontend != NULL)
388 dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap,
389 &hauppauge_hvr950q_tunerconfig);
390 break;
391 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
392 dvb->frontend = dvb_attach(au8522_attach,
393 &hauppauge_hvr950q_config,
394 &dev->i2c_adap);
395 if (dvb->frontend != NULL)
396 dvb_attach(mxl5007t_attach, dvb->frontend,
397 &dev->i2c_adap, 0x60,
398 &mxl5007t_hvr950q_config);
399 break;
400 case AU0828_BOARD_HAUPPAUGE_WOODBURY:
401 dvb->frontend = dvb_attach(au8522_attach,
402 &hauppauge_woodbury_config,
403 &dev->i2c_adap);
404 if (dvb->frontend != NULL)
405 dvb_attach(tda18271_attach, dvb->frontend,
406 0x60, &dev->i2c_adap,
407 &hauppauge_woodbury_tunerconfig);
408 break;
409 case AU0828_BOARD_DVICO_FUSIONHDTV7:
410 dvb->frontend = dvb_attach(au8522_attach,
411 &fusionhdtv7usb_config,
412 &dev->i2c_adap);
413 if (dvb->frontend != NULL) {
414 dvb_attach(xc5000_attach, dvb->frontend,
415 &dev->i2c_adap,
416 &hauppauge_hvr950q_tunerconfig);
417 }
418 break;
419 default:
420 printk(KERN_WARNING "The frontend of your DVB/ATSC card "
421 "isn't supported yet\n");
422 break;
423 }
424 if (NULL == dvb->frontend) {
425 printk(KERN_ERR "%s() Frontend initialization failed\n",
426 __func__);
427 return -1;
428 }
429 /* define general-purpose callback pointer */
430 dvb->frontend->callback = au0828_tuner_callback;
431
432 /* register everything */
433 ret = dvb_register(dev);
434 if (ret < 0) {
435 if (dvb->frontend->ops.release)
436 dvb->frontend->ops.release(dvb->frontend);
437 return ret;
438 }
439
440 return 0;
441 }
442