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/slab.h>
24 #include <linux/init.h>
25 #include <linux/device.h>
26 #include <linux/suspend.h>
27 #include <media/v4l2-common.h>
28
29 #include "au0828.h"
30 #include "au8522.h"
31 #include "xc5000.h"
32 #include "mxl5007t.h"
33 #include "tda18271.h"
34
35 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
36
37 #define _AU0828_BULKPIPE 0x83
38 #define _BULKPIPESIZE 0xe522
39
40 static u8 hauppauge_hvr950q_led_states[] = {
41 0x00, /* off */
42 0x02, /* yellow */
43 0x04, /* green */
44 };
45
46 static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
47 .gpio_output = 0x00e0,
48 .gpio_output_enable = 0x6006,
49 .gpio_output_disable = 0x0660,
50
51 .gpio_leds = 0x00e2,
52 .led_states = hauppauge_hvr950q_led_states,
53 .num_led_states = sizeof(hauppauge_hvr950q_led_states),
54
55 .vsb8_strong = 20 /* dB */ * 10,
56 .qam64_strong = 25 /* dB */ * 10,
57 .qam256_strong = 32 /* dB */ * 10,
58 };
59
60 static struct au8522_config hauppauge_hvr950q_config = {
61 .demod_address = 0x8e >> 1,
62 .status_mode = AU8522_DEMODLOCKING,
63 .qam_if = AU8522_IF_6MHZ,
64 .vsb_if = AU8522_IF_6MHZ,
65 .led_cfg = &hauppauge_hvr950q_led_cfg,
66 };
67
68 static struct au8522_config fusionhdtv7usb_config = {
69 .demod_address = 0x8e >> 1,
70 .status_mode = AU8522_DEMODLOCKING,
71 .qam_if = AU8522_IF_6MHZ,
72 .vsb_if = AU8522_IF_6MHZ,
73 };
74
75 static struct au8522_config hauppauge_woodbury_config = {
76 .demod_address = 0x8e >> 1,
77 .status_mode = AU8522_DEMODLOCKING,
78 .qam_if = AU8522_IF_4MHZ,
79 .vsb_if = AU8522_IF_3_25MHZ,
80 };
81
82 static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
83 .i2c_address = 0x61,
84 .if_khz = 6000,
85 };
86
87 static struct mxl5007t_config mxl5007t_hvr950q_config = {
88 .xtal_freq_hz = MxL_XTAL_24_MHZ,
89 .if_freq_hz = MxL_IF_6_MHZ,
90 };
91
92 static struct tda18271_config hauppauge_woodbury_tunerconfig = {
93 .gate = TDA18271_GATE_DIGITAL,
94 };
95
96 /*-------------------------------------------------------------------*/
urb_completion(struct urb * purb)97 static void urb_completion(struct urb *purb)
98 {
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 /* Feed the transport payload into the kernel demux */
117 dvb_dmx_swfilter_packets(&dev->dvb.demux,
118 purb->transfer_buffer, purb->actual_length / 188);
119
120 /* Clean the buffer before we requeue */
121 memset(purb->transfer_buffer, 0, URB_BUFSIZE);
122
123 /* Requeue URB */
124 usb_submit_urb(purb, GFP_ATOMIC);
125 }
126
stop_urb_transfer(struct au0828_dev * dev)127 static int stop_urb_transfer(struct au0828_dev *dev)
128 {
129 int i;
130
131 dprintk(2, "%s()\n", __func__);
132
133 for (i = 0; i < URB_COUNT; i++) {
134 usb_kill_urb(dev->urbs[i]);
135 kfree(dev->urbs[i]->transfer_buffer);
136 usb_free_urb(dev->urbs[i]);
137 }
138
139 dev->urb_streaming = 0;
140
141 return 0;
142 }
143
start_urb_transfer(struct au0828_dev * dev)144 static int start_urb_transfer(struct au0828_dev *dev)
145 {
146 struct urb *purb;
147 int i, ret = -ENOMEM;
148
149 dprintk(2, "%s()\n", __func__);
150
151 if (dev->urb_streaming) {
152 dprintk(2, "%s: bulk xfer already running!\n", __func__);
153 return 0;
154 }
155
156 for (i = 0; i < URB_COUNT; i++) {
157
158 dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
159 if (!dev->urbs[i])
160 goto err;
161
162 purb = dev->urbs[i];
163
164 purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
165 if (!purb->transfer_buffer) {
166 usb_free_urb(purb);
167 dev->urbs[i] = NULL;
168 goto err;
169 }
170
171 purb->status = -EINPROGRESS;
172 usb_fill_bulk_urb(purb,
173 dev->usbdev,
174 usb_rcvbulkpipe(dev->usbdev,
175 _AU0828_BULKPIPE),
176 purb->transfer_buffer,
177 URB_BUFSIZE,
178 urb_completion,
179 dev);
180
181 }
182
183 for (i = 0; i < URB_COUNT; i++) {
184 ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
185 if (ret != 0) {
186 stop_urb_transfer(dev);
187 printk(KERN_ERR "%s: failed urb submission, "
188 "err = %d\n", __func__, ret);
189 return ret;
190 }
191 }
192
193 dev->urb_streaming = 1;
194 ret = 0;
195
196 err:
197 return ret;
198 }
199
au0828_dvb_start_feed(struct dvb_demux_feed * feed)200 static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
201 {
202 struct dvb_demux *demux = feed->demux;
203 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
204 struct au0828_dvb *dvb = &dev->dvb;
205 int ret = 0;
206
207 dprintk(1, "%s()\n", __func__);
208
209 if (!demux->dmx.frontend)
210 return -EINVAL;
211
212 if (dvb) {
213 mutex_lock(&dvb->lock);
214 if (dvb->feeding++ == 0) {
215 /* Start transport */
216 au0828_write(dev, 0x608, 0x90);
217 au0828_write(dev, 0x609, 0x72);
218 au0828_write(dev, 0x60a, 0x71);
219 au0828_write(dev, 0x60b, 0x01);
220 ret = start_urb_transfer(dev);
221 }
222 mutex_unlock(&dvb->lock);
223 }
224
225 return ret;
226 }
227
au0828_dvb_stop_feed(struct dvb_demux_feed * feed)228 static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
229 {
230 struct dvb_demux *demux = feed->demux;
231 struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
232 struct au0828_dvb *dvb = &dev->dvb;
233 int ret = 0;
234
235 dprintk(1, "%s()\n", __func__);
236
237 if (dvb) {
238 mutex_lock(&dvb->lock);
239 if (--dvb->feeding == 0) {
240 /* Stop transport */
241 au0828_write(dev, 0x608, 0x00);
242 au0828_write(dev, 0x609, 0x00);
243 au0828_write(dev, 0x60a, 0x00);
244 au0828_write(dev, 0x60b, 0x00);
245 ret = stop_urb_transfer(dev);
246 }
247 mutex_unlock(&dvb->lock);
248 }
249
250 return ret;
251 }
252
dvb_register(struct au0828_dev * dev)253 static int dvb_register(struct au0828_dev *dev)
254 {
255 struct au0828_dvb *dvb = &dev->dvb;
256 int result;
257
258 dprintk(1, "%s()\n", __func__);
259
260 /* register adapter */
261 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
262 &dev->usbdev->dev, adapter_nr);
263 if (result < 0) {
264 printk(KERN_ERR "%s: dvb_register_adapter failed "
265 "(errno = %d)\n", DRIVER_NAME, result);
266 goto fail_adapter;
267 }
268 dvb->adapter.priv = dev;
269
270 /* register frontend */
271 result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
272 if (result < 0) {
273 printk(KERN_ERR "%s: dvb_register_frontend failed "
274 "(errno = %d)\n", DRIVER_NAME, result);
275 goto fail_frontend;
276 }
277
278 /* register demux stuff */
279 dvb->demux.dmx.capabilities =
280 DMX_TS_FILTERING | DMX_SECTION_FILTERING |
281 DMX_MEMORY_BASED_FILTERING;
282 dvb->demux.priv = dev;
283 dvb->demux.filternum = 256;
284 dvb->demux.feednum = 256;
285 dvb->demux.start_feed = au0828_dvb_start_feed;
286 dvb->demux.stop_feed = au0828_dvb_stop_feed;
287 result = dvb_dmx_init(&dvb->demux);
288 if (result < 0) {
289 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
290 DRIVER_NAME, result);
291 goto fail_dmx;
292 }
293
294 dvb->dmxdev.filternum = 256;
295 dvb->dmxdev.demux = &dvb->demux.dmx;
296 dvb->dmxdev.capabilities = 0;
297 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
298 if (result < 0) {
299 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
300 DRIVER_NAME, result);
301 goto fail_dmxdev;
302 }
303
304 dvb->fe_hw.source = DMX_FRONTEND_0;
305 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
306 if (result < 0) {
307 printk(KERN_ERR "%s: add_frontend failed "
308 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
309 goto fail_fe_hw;
310 }
311
312 dvb->fe_mem.source = DMX_MEMORY_FE;
313 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
314 if (result < 0) {
315 printk(KERN_ERR "%s: add_frontend failed "
316 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
317 goto fail_fe_mem;
318 }
319
320 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
321 if (result < 0) {
322 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
323 DRIVER_NAME, result);
324 goto fail_fe_conn;
325 }
326
327 /* register network adapter */
328 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
329 return 0;
330
331 fail_fe_conn:
332 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
333 fail_fe_mem:
334 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
335 fail_fe_hw:
336 dvb_dmxdev_release(&dvb->dmxdev);
337 fail_dmxdev:
338 dvb_dmx_release(&dvb->demux);
339 fail_dmx:
340 dvb_unregister_frontend(dvb->frontend);
341 fail_frontend:
342 dvb_frontend_detach(dvb->frontend);
343 dvb_unregister_adapter(&dvb->adapter);
344 fail_adapter:
345 return result;
346 }
347
au0828_dvb_unregister(struct au0828_dev * dev)348 void au0828_dvb_unregister(struct au0828_dev *dev)
349 {
350 struct au0828_dvb *dvb = &dev->dvb;
351
352 dprintk(1, "%s()\n", __func__);
353
354 if (dvb->frontend == NULL)
355 return;
356
357 dvb_net_release(&dvb->net);
358 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
359 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
360 dvb_dmxdev_release(&dvb->dmxdev);
361 dvb_dmx_release(&dvb->demux);
362 dvb_unregister_frontend(dvb->frontend);
363 dvb_frontend_detach(dvb->frontend);
364 dvb_unregister_adapter(&dvb->adapter);
365 }
366
367 /* All the DVB attach calls go here, this function get's modified
368 * for each new card. No other function in this file needs
369 * to change.
370 */
au0828_dvb_register(struct au0828_dev * dev)371 int au0828_dvb_register(struct au0828_dev *dev)
372 {
373 struct au0828_dvb *dvb = &dev->dvb;
374 int ret;
375
376 dprintk(1, "%s()\n", __func__);
377
378 /* init frontend */
379 switch (dev->boardnr) {
380 case AU0828_BOARD_HAUPPAUGE_HVR850:
381 case AU0828_BOARD_HAUPPAUGE_HVR950Q:
382 dvb->frontend = dvb_attach(au8522_attach,
383 &hauppauge_hvr950q_config,
384 &dev->i2c_adap);
385 if (dvb->frontend != NULL)
386 dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap,
387 &hauppauge_hvr950q_tunerconfig);
388 break;
389 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
390 dvb->frontend = dvb_attach(au8522_attach,
391 &hauppauge_hvr950q_config,
392 &dev->i2c_adap);
393 if (dvb->frontend != NULL)
394 dvb_attach(mxl5007t_attach, dvb->frontend,
395 &dev->i2c_adap, 0x60,
396 &mxl5007t_hvr950q_config);
397 break;
398 case AU0828_BOARD_HAUPPAUGE_WOODBURY:
399 dvb->frontend = dvb_attach(au8522_attach,
400 &hauppauge_woodbury_config,
401 &dev->i2c_adap);
402 if (dvb->frontend != NULL)
403 dvb_attach(tda18271_attach, dvb->frontend,
404 0x60, &dev->i2c_adap,
405 &hauppauge_woodbury_tunerconfig);
406 break;
407 case AU0828_BOARD_DVICO_FUSIONHDTV7:
408 dvb->frontend = dvb_attach(au8522_attach,
409 &fusionhdtv7usb_config,
410 &dev->i2c_adap);
411 if (dvb->frontend != NULL) {
412 dvb_attach(xc5000_attach, dvb->frontend,
413 &dev->i2c_adap,
414 &hauppauge_hvr950q_tunerconfig);
415 }
416 break;
417 default:
418 printk(KERN_WARNING "The frontend of your DVB/ATSC card "
419 "isn't supported yet\n");
420 break;
421 }
422 if (NULL == dvb->frontend) {
423 printk(KERN_ERR "%s() Frontend initialization failed\n",
424 __func__);
425 return -1;
426 }
427 /* define general-purpose callback pointer */
428 dvb->frontend->callback = au0828_tuner_callback;
429
430 /* register everything */
431 ret = dvb_register(dev);
432 if (ret < 0) {
433 if (dvb->frontend->ops.release)
434 dvb->frontend->ops.release(dvb->frontend);
435 return ret;
436 }
437
438 return 0;
439 }
440