cx23885-dvb.c revision dfc1c08aab447d49230dacb390d3f2263584d28f
1/*
2 *  Driver for the Conexant CX23885 PCIe bridge
3 *
4 *  Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
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/fs.h>
26#include <linux/kthread.h>
27#include <linux/file.h>
28#include <linux/suspend.h>
29
30#include "cx23885.h"
31#include <media/v4l2-common.h>
32
33#include "s5h1409.h"
34#include "mt2131.h"
35#include "tda8290.h"
36#include "tda18271.h"
37#include "lgdt330x.h"
38#include "xc5000.h"
39#include "dvb-pll.h"
40#include "tuner-xc2028.h"
41#include "tuner-xc2028-types.h"
42
43static unsigned int debug;
44
45#define dprintk(level, fmt, arg...)\
46	do { if (debug >= level)\
47		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
48	} while (0)
49
50/* ------------------------------------------------------------------ */
51
52static unsigned int alt_tuner;
53module_param(alt_tuner, int, 0644);
54MODULE_PARM_DESC(alt_tuner, "Enable alternate tuner configuration");
55
56/* ------------------------------------------------------------------ */
57
58static int dvb_buf_setup(struct videobuf_queue *q,
59			 unsigned int *count, unsigned int *size)
60{
61	struct cx23885_tsport *port = q->priv_data;
62
63	port->ts_packet_size  = 188 * 4;
64	port->ts_packet_count = 32;
65
66	*size  = port->ts_packet_size * port->ts_packet_count;
67	*count = 32;
68	return 0;
69}
70
71static int dvb_buf_prepare(struct videobuf_queue *q,
72			   struct videobuf_buffer *vb, enum v4l2_field field)
73{
74	struct cx23885_tsport *port = q->priv_data;
75	return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
76}
77
78static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
79{
80	struct cx23885_tsport *port = q->priv_data;
81	cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
82}
83
84static void dvb_buf_release(struct videobuf_queue *q,
85			    struct videobuf_buffer *vb)
86{
87	cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
88}
89
90static int cx23885_request_firmware(struct dvb_frontend *fe,
91	const struct firmware **fw, char *name)
92{
93	struct cx23885_tsport *port = fe->dvb->priv;
94	struct cx23885_dev *dev = port->dev;
95
96	dprintk(1, "%s(?,?,%s)\n", __FUNCTION__, name);
97
98	return request_firmware(fw, name, &dev->pci->dev);
99}
100
101static int hauppauge_hvr1500q_tuner_reset(struct dvb_frontend *fe)
102{
103	struct cx23885_tsport *port = fe->dvb->priv;
104	struct cx23885_dev *dev = port->dev;
105
106	dprintk(1, "%s()\n", __FUNCTION__);
107
108	/* Drive the tuner into reset back back */
109	cx_clear(GP0_IO, 0x00000004);
110	mdelay(200);
111	cx_set(GP0_IO, 0x00000004);
112
113	return 0;
114}
115
116static struct videobuf_queue_ops dvb_qops = {
117	.buf_setup    = dvb_buf_setup,
118	.buf_prepare  = dvb_buf_prepare,
119	.buf_queue    = dvb_buf_queue,
120	.buf_release  = dvb_buf_release,
121};
122
123static struct s5h1409_config hauppauge_generic_config = {
124	.demod_address = 0x32 >> 1,
125	.output_mode   = S5H1409_SERIAL_OUTPUT,
126	.gpio          = S5H1409_GPIO_ON,
127	.qam_if        = 44000,
128	.inversion     = S5H1409_INVERSION_OFF,
129	.status_mode   = S5H1409_DEMODLOCKING,
130	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
131};
132
133static struct s5h1409_config hauppauge_ezqam_config = {
134	.demod_address = 0x32 >> 1,
135	.output_mode   = S5H1409_SERIAL_OUTPUT,
136	.gpio          = S5H1409_GPIO_OFF,
137	.qam_if        = 4000,
138	.inversion     = S5H1409_INVERSION_ON,
139	.status_mode   = S5H1409_DEMODLOCKING,
140	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
141};
142
143static struct s5h1409_config hauppauge_hvr1800lp_config = {
144	.demod_address = 0x32 >> 1,
145	.output_mode   = S5H1409_SERIAL_OUTPUT,
146	.gpio          = S5H1409_GPIO_OFF,
147	.qam_if        = 44000,
148	.inversion     = S5H1409_INVERSION_OFF,
149	.status_mode   = S5H1409_DEMODLOCKING,
150	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
151};
152
153static struct s5h1409_config hauppauge_hvr1500_config = {
154	.demod_address = 0x32 >> 1,
155	.output_mode   = S5H1409_SERIAL_OUTPUT,
156	.gpio          = S5H1409_GPIO_OFF,
157	.inversion     = S5H1409_INVERSION_OFF,
158	.status_mode   = S5H1409_DEMODLOCKING,
159	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
160};
161
162static struct mt2131_config hauppauge_generic_tunerconfig = {
163	0x61
164};
165
166static struct lgdt330x_config fusionhdtv_5_express = {
167	.demod_address = 0x0e,
168	.demod_chip = LGDT3303,
169	.serial_mpeg = 0x40,
170};
171
172static struct s5h1409_config hauppauge_hvr1500q_config = {
173	.demod_address = 0x32 >> 1,
174	.output_mode   = S5H1409_SERIAL_OUTPUT,
175	.gpio          = S5H1409_GPIO_ON,
176	.qam_if        = 44000,
177	.inversion     = S5H1409_INVERSION_OFF,
178	.status_mode   = S5H1409_DEMODLOCKING,
179	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
180};
181
182static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
183	.i2c_address      = 0x61,
184	.if_khz           = 5380,
185	.request_firmware = cx23885_request_firmware,
186	.tuner_reset      = hauppauge_hvr1500q_tuner_reset
187};
188
189static struct tda829x_config tda829x_no_probe = {
190	.probe_tuner = TDA829X_DONT_PROBE,
191};
192
193static struct tda18271_std_map hauppauge_tda18271_std_map = {
194	.atsc_6   = { .if_freq = 5380, .std_bits = 0x1b },
195	.qam_6    = { .if_freq = 4000, .std_bits = 0x18 },
196};
197
198static struct tda18271_config hauppauge_tda18271_config = {
199	.std_map = &hauppauge_tda18271_std_map,
200	.gate    = TDA18271_GATE_ANALOG,
201};
202
203static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg)
204{
205	struct cx23885_tsport *port = ptr;
206	struct cx23885_dev *dev = port->dev;
207
208	switch (command) {
209	case XC2028_TUNER_RESET:
210		/* Send the tuner in then out of reset */
211		/* GPIO-2 xc3028 tuner */
212		dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);
213
214		cx_set(GP0_IO, 0x00040000);
215		cx_clear(GP0_IO, 0x00000004);
216		msleep(5);
217
218		cx_set(GP0_IO, 0x00040004);
219		msleep(5);
220		break;
221	case XC2028_RESET_CLK:
222		dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
223		break;
224	default:
225		dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
226			command, arg);
227		return -EINVAL;
228	}
229
230	return 0;
231}
232
233static int dvb_register(struct cx23885_tsport *port)
234{
235	struct cx23885_dev *dev = port->dev;
236	struct cx23885_i2c *i2c_bus = NULL;
237
238	/* init struct videobuf_dvb */
239	port->dvb.name = dev->name;
240
241	/* init frontend */
242	switch (dev->board) {
243	case CX23885_BOARD_HAUPPAUGE_HVR1250:
244		i2c_bus = &dev->i2c_bus[0];
245		port->dvb.frontend = dvb_attach(s5h1409_attach,
246						&hauppauge_generic_config,
247						&i2c_bus->i2c_adap);
248		if (port->dvb.frontend != NULL) {
249			dvb_attach(mt2131_attach, port->dvb.frontend,
250				   &i2c_bus->i2c_adap,
251				   &hauppauge_generic_tunerconfig, 0);
252		}
253		break;
254	case CX23885_BOARD_HAUPPAUGE_HVR1800:
255		i2c_bus = &dev->i2c_bus[0];
256		switch (alt_tuner) {
257		case 1:
258			port->dvb.frontend =
259				dvb_attach(s5h1409_attach,
260					   &hauppauge_ezqam_config,
261					   &i2c_bus->i2c_adap);
262			if (port->dvb.frontend != NULL) {
263				dvb_attach(tda829x_attach, port->dvb.frontend,
264					   &dev->i2c_bus[1].i2c_adap, 0x42,
265					   &tda829x_no_probe);
266				dvb_attach(tda18271_attach, port->dvb.frontend,
267					   0x60, &dev->i2c_bus[1].i2c_adap,
268					   &hauppauge_tda18271_config);
269			}
270			break;
271		case 0:
272		default:
273			port->dvb.frontend =
274				dvb_attach(s5h1409_attach,
275					   &hauppauge_generic_config,
276					   &i2c_bus->i2c_adap);
277			if (port->dvb.frontend != NULL)
278				dvb_attach(mt2131_attach, port->dvb.frontend,
279					   &i2c_bus->i2c_adap,
280					   &hauppauge_generic_tunerconfig, 0);
281			break;
282		}
283		break;
284	case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
285		i2c_bus = &dev->i2c_bus[0];
286		port->dvb.frontend = dvb_attach(s5h1409_attach,
287						&hauppauge_hvr1800lp_config,
288						&i2c_bus->i2c_adap);
289		if (port->dvb.frontend != NULL) {
290			dvb_attach(mt2131_attach, port->dvb.frontend,
291				   &i2c_bus->i2c_adap,
292				   &hauppauge_generic_tunerconfig, 0);
293		}
294		break;
295	case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
296		i2c_bus = &dev->i2c_bus[0];
297		port->dvb.frontend = dvb_attach(lgdt330x_attach,
298						&fusionhdtv_5_express,
299						&i2c_bus->i2c_adap);
300		if (port->dvb.frontend != NULL) {
301			dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
302				   &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
303		}
304		break;
305	case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
306		i2c_bus = &dev->i2c_bus[1];
307		port->dvb.frontend = dvb_attach(s5h1409_attach,
308						&hauppauge_hvr1500q_config,
309						&dev->i2c_bus[0].i2c_adap);
310		if (port->dvb.frontend != NULL) {
311			dvb_attach(xc5000_attach, port->dvb.frontend,
312				&i2c_bus->i2c_adap,
313				&hauppauge_hvr1500q_tunerconfig);
314		}
315		break;
316	case CX23885_BOARD_HAUPPAUGE_HVR1500:
317		i2c_bus = &dev->i2c_bus[1];
318		port->dvb.frontend = dvb_attach(s5h1409_attach,
319						&hauppauge_hvr1500_config,
320						&dev->i2c_bus[0].i2c_adap);
321		if (port->dvb.frontend != NULL) {
322			struct dvb_frontend *fe;
323			struct xc2028_config cfg = {
324				.i2c_adap  = &i2c_bus->i2c_adap,
325				.i2c_addr  = 0x61,
326				.video_dev = port,
327				.callback  = cx23885_hvr1500_xc3028_callback,
328			};
329			static struct xc2028_ctrl ctl = {
330				.fname       = "xc3028-v27.fw",
331				.max_len     = 64,
332				.scode_table = OREN538,
333			};
334
335			fe = dvb_attach(xc2028_attach,
336					port->dvb.frontend, &cfg);
337			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
338				fe->ops.tuner_ops.set_config(fe, &ctl);
339		}
340		break;
341	default:
342		printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
343		       dev->name);
344		break;
345	}
346	if (NULL == port->dvb.frontend) {
347		printk("%s: frontend initialization failed\n", dev->name);
348		return -1;
349	}
350
351	/* Put the analog decoder in standby to keep it quiet */
352	cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
353
354	if (port->dvb.frontend->ops.analog_ops.standby)
355		port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
356
357	/* register everything */
358	return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
359				     &dev->pci->dev);
360}
361
362int cx23885_dvb_register(struct cx23885_tsport *port)
363{
364	struct cx23885_dev *dev = port->dev;
365	int err;
366
367	dprintk(1, "%s\n", __FUNCTION__);
368	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
369		dev->board,
370		dev->name,
371		dev->pci_bus,
372		dev->pci_slot);
373
374	err = -ENODEV;
375
376	/* dvb stuff */
377	printk("%s: cx23885 based dvb card\n", dev->name);
378	videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
379			    V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
380			    sizeof(struct cx23885_buffer), port);
381	err = dvb_register(port);
382	if (err != 0)
383		printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
384
385	return err;
386}
387
388int cx23885_dvb_unregister(struct cx23885_tsport *port)
389{
390	/* dvb */
391	if(port->dvb.frontend)
392		videobuf_dvb_unregister(&port->dvb);
393
394	return 0;
395}
396
397/*
398 * Local variables:
399 * c-basic-offset: 8
400 * End:
401 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
402*/
403