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 "au0828.h"
23#include "au0828-cards.h"
24#include "au8522.h"
25#include "media/tuner.h"
26#include "media/v4l2-common.h"
27
28void hvr950q_cs5340_audio(void *priv, int enable)
29{
30	/* Because the HVR-950q shares an i2s bus between the cs5340 and the
31	   au8522, we need to hold cs5340 in reset when using the au8522 */
32	struct au0828_dev *dev = priv;
33	if (enable == 1)
34		au0828_set(dev, REG_000, 0x10);
35	else
36		au0828_clear(dev, REG_000, 0x10);
37}
38
39struct au0828_board au0828_boards[] = {
40	[AU0828_BOARD_UNKNOWN] = {
41		.name	= "Unknown board",
42		.tuner_type = UNSET,
43		.tuner_addr = ADDR_UNSET,
44	},
45	[AU0828_BOARD_HAUPPAUGE_HVR850] = {
46		.name	= "Hauppauge HVR850",
47		.tuner_type = TUNER_XC5000,
48		.tuner_addr = 0x61,
49		.i2c_clk_divider = AU0828_I2C_CLK_30KHZ,
50		.input = {
51			{
52				.type = AU0828_VMUX_TELEVISION,
53				.vmux = AU8522_COMPOSITE_CH4_SIF,
54				.amux = AU8522_AUDIO_SIF,
55			},
56			{
57				.type = AU0828_VMUX_COMPOSITE,
58				.vmux = AU8522_COMPOSITE_CH1,
59				.amux = AU8522_AUDIO_NONE,
60				.audio_setup = hvr950q_cs5340_audio,
61			},
62			{
63				.type = AU0828_VMUX_SVIDEO,
64				.vmux = AU8522_SVIDEO_CH13,
65				.amux = AU8522_AUDIO_NONE,
66				.audio_setup = hvr950q_cs5340_audio,
67			},
68		},
69	},
70	[AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
71		.name	= "Hauppauge HVR950Q",
72		.tuner_type = TUNER_XC5000,
73		.tuner_addr = 0x61,
74		/* The au0828 hardware i2c implementation does not properly
75		   support the xc5000's i2c clock stretching.  So we need to
76		   lower the clock frequency enough where the 15us clock
77		   stretch fits inside of a normal clock cycle, or else the
78		   au0828 fails to set the STOP bit.  A 30 KHz clock puts the
79		   clock pulse width at 18us */
80		.i2c_clk_divider = AU0828_I2C_CLK_30KHZ,
81		.input = {
82			{
83				.type = AU0828_VMUX_TELEVISION,
84				.vmux = AU8522_COMPOSITE_CH4_SIF,
85				.amux = AU8522_AUDIO_SIF,
86			},
87			{
88				.type = AU0828_VMUX_COMPOSITE,
89				.vmux = AU8522_COMPOSITE_CH1,
90				.amux = AU8522_AUDIO_NONE,
91				.audio_setup = hvr950q_cs5340_audio,
92			},
93			{
94				.type = AU0828_VMUX_SVIDEO,
95				.vmux = AU8522_SVIDEO_CH13,
96				.amux = AU8522_AUDIO_NONE,
97				.audio_setup = hvr950q_cs5340_audio,
98			},
99		},
100	},
101	[AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL] = {
102		.name	= "Hauppauge HVR950Q rev xxF8",
103		.tuner_type = UNSET,
104		.tuner_addr = ADDR_UNSET,
105		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
106	},
107	[AU0828_BOARD_DVICO_FUSIONHDTV7] = {
108		.name	= "DViCO FusionHDTV USB",
109		.tuner_type = UNSET,
110		.tuner_addr = ADDR_UNSET,
111		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
112	},
113	[AU0828_BOARD_HAUPPAUGE_WOODBURY] = {
114		.name = "Hauppauge Woodbury",
115		.tuner_type = UNSET,
116		.tuner_addr = ADDR_UNSET,
117		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
118	},
119};
120
121/* Tuner callback function for au0828 boards. Currently only needed
122 * for HVR1500Q, which has an xc5000 tuner.
123 */
124int au0828_tuner_callback(void *priv, int component, int command, int arg)
125{
126	struct au0828_dev *dev = priv;
127
128	dprintk(1, "%s()\n", __func__);
129
130	switch (dev->boardnr) {
131	case AU0828_BOARD_HAUPPAUGE_HVR850:
132	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
133	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
134	case AU0828_BOARD_DVICO_FUSIONHDTV7:
135		if (command == 0) {
136			/* Tuner Reset Command from xc5000 */
137			/* Drive the tuner into reset and out */
138			au0828_clear(dev, REG_001, 2);
139			mdelay(10);
140			au0828_set(dev, REG_001, 2);
141			mdelay(10);
142			return 0;
143		} else {
144			printk(KERN_ERR
145				"%s(): Unknown command.\n", __func__);
146			return -EINVAL;
147		}
148		break;
149	}
150
151	return 0; /* Should never be here */
152}
153
154static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
155{
156	struct tveeprom tv;
157
158	tveeprom_hauppauge_analog(&dev->i2c_client, &tv, eeprom_data);
159	dev->board.tuner_type = tv.tuner_type;
160
161	/* Make sure we support the board model */
162	switch (tv.model) {
163	case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
164	case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
165	case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
166	case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
167	case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
168	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
169	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
170	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
171	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
172	case 72261: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
173	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
174	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
175		break;
176	default:
177		printk(KERN_WARNING "%s: warning: "
178		       "unknown hauppauge model #%d\n", __func__, tv.model);
179		break;
180	}
181
182	printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n",
183	       __func__, tv.model);
184}
185
186void au0828_card_setup(struct au0828_dev *dev)
187{
188	static u8 eeprom[256];
189	struct tuner_setup tun_setup;
190	struct v4l2_subdev *sd;
191	unsigned int mode_mask = T_ANALOG_TV;
192
193	dprintk(1, "%s()\n", __func__);
194
195	memcpy(&dev->board, &au0828_boards[dev->boardnr], sizeof(dev->board));
196
197	if (dev->i2c_rc == 0) {
198		dev->i2c_client.addr = 0xa0 >> 1;
199		tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
200	}
201
202	switch (dev->boardnr) {
203	case AU0828_BOARD_HAUPPAUGE_HVR850:
204	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
205	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
206	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
207		if (dev->i2c_rc == 0)
208			hauppauge_eeprom(dev, eeprom+0xa0);
209		break;
210	}
211
212	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
213		/* Load the analog demodulator driver (note this would need to
214		   be abstracted out if we ever need to support a different
215		   demod) */
216		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
217				"au8522", 0x8e >> 1, NULL);
218		if (sd == NULL)
219			printk(KERN_ERR "analog subdev registration failed\n");
220	}
221
222	/* Setup tuners */
223	if (dev->board.tuner_type != TUNER_ABSENT) {
224		/* Load the tuner module, which does the attach */
225		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
226				"tuner", dev->board.tuner_addr, NULL);
227		if (sd == NULL)
228			printk(KERN_ERR "tuner subdev registration fail\n");
229
230		tun_setup.mode_mask      = mode_mask;
231		tun_setup.type           = dev->board.tuner_type;
232		tun_setup.addr           = dev->board.tuner_addr;
233		tun_setup.tuner_callback = au0828_tuner_callback;
234		v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr,
235				     &tun_setup);
236	}
237}
238
239/*
240 * The bridge has between 8 and 12 gpios.
241 * Regs 1 and 0 deal with output enables.
242 * Regs 3 and 2 deal with direction.
243 */
244void au0828_gpio_setup(struct au0828_dev *dev)
245{
246	dprintk(1, "%s()\n", __func__);
247
248	switch (dev->boardnr) {
249	case AU0828_BOARD_HAUPPAUGE_HVR850:
250	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
251	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
252	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
253		/* GPIO's
254		 * 4 - CS5340
255		 * 5 - AU8522 Demodulator
256		 * 6 - eeprom W/P
257		 * 7 - power supply
258		 * 9 - XC5000 Tuner
259		 */
260
261		/* Into reset */
262		au0828_write(dev, REG_003, 0x02);
263		au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
264		au0828_write(dev, REG_001, 0x0);
265		au0828_write(dev, REG_000, 0x0);
266		msleep(100);
267
268		/* Out of reset (leave the cs5340 in reset until needed) */
269		au0828_write(dev, REG_003, 0x02);
270		au0828_write(dev, REG_001, 0x02);
271		au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
272		au0828_write(dev, REG_000, 0x80 | 0x40 | 0x20);
273
274		msleep(250);
275		break;
276	case AU0828_BOARD_DVICO_FUSIONHDTV7:
277		/* GPIO's
278		 * 6 - ?
279		 * 8 - AU8522 Demodulator
280		 * 9 - XC5000 Tuner
281		 */
282
283		/* Into reset */
284		au0828_write(dev, REG_003, 0x02);
285		au0828_write(dev, REG_002, 0xa0);
286		au0828_write(dev, REG_001, 0x0);
287		au0828_write(dev, REG_000, 0x0);
288		msleep(100);
289
290		/* Out of reset */
291		au0828_write(dev, REG_003, 0x02);
292		au0828_write(dev, REG_002, 0xa0);
293		au0828_write(dev, REG_001, 0x02);
294		au0828_write(dev, REG_000, 0xa0);
295		msleep(250);
296		break;
297	}
298}
299
300/* table of devices that work with this driver */
301struct usb_device_id au0828_usb_id_table[] = {
302	{ USB_DEVICE(0x2040, 0x7200),
303		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
304	{ USB_DEVICE(0x2040, 0x7240),
305		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
306	{ USB_DEVICE(0x0fe9, 0xd620),
307		.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
308	{ USB_DEVICE(0x2040, 0x7210),
309		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
310	{ USB_DEVICE(0x2040, 0x7217),
311		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
312	{ USB_DEVICE(0x2040, 0x721b),
313		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
314	{ USB_DEVICE(0x2040, 0x721e),
315		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
316	{ USB_DEVICE(0x2040, 0x721f),
317		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
318	{ USB_DEVICE(0x2040, 0x7280),
319		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
320	{ USB_DEVICE(0x0fd9, 0x0008),
321		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
322	{ USB_DEVICE(0x2040, 0x7201),
323		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
324	{ USB_DEVICE(0x2040, 0x7211),
325		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
326	{ USB_DEVICE(0x2040, 0x7281),
327		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
328	{ USB_DEVICE(0x2040, 0x8200),
329		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
330	{ USB_DEVICE(0x2040, 0x7260),
331		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
332	{ USB_DEVICE(0x2040, 0x7213),
333		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
334	{ },
335};
336
337MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
338