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 
hvr950q_cs5340_audio(void * priv,int enable)28 void 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 
39 struct 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  */
au0828_tuner_callback(void * priv,int component,int command,int arg)124 int 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 
hauppauge_eeprom(struct au0828_dev * dev,u8 * eeprom_data)154 static 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 
au0828_card_setup(struct au0828_dev * dev)186 void 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  */
au0828_gpio_setup(struct au0828_dev * dev)244 void 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 */
301 struct 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 
337 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
338