xref: /openbmc/linux/drivers/media/usb/au0828/au0828-cards.c (revision f677b30b487ca3763c3de3f1b4d8c976c2961cd1)
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 
28 static 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_20KHZ,
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_20KHZ,
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  */
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 
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, No IR, ATSC/QAM and analog video */
173 	case 72271: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
174 	case 72281: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
175 	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
176 	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
177 		break;
178 	default:
179 		printk(KERN_WARNING "%s: warning: "
180 		       "unknown hauppauge model #%d\n", __func__, tv.model);
181 		break;
182 	}
183 
184 	printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n",
185 	       __func__, tv.model);
186 }
187 
188 void au0828_card_analog_fe_setup(struct au0828_dev *dev);
189 
190 void au0828_card_setup(struct au0828_dev *dev)
191 {
192 	static u8 eeprom[256];
193 
194 	dprintk(1, "%s()\n", __func__);
195 
196 	dev->board = au0828_boards[dev->boardnr];
197 
198 	if (dev->i2c_rc == 0) {
199 		dev->i2c_client.addr = 0xa0 >> 1;
200 		tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
201 	}
202 
203 	switch (dev->boardnr) {
204 	case AU0828_BOARD_HAUPPAUGE_HVR850:
205 	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
206 	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
207 	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
208 		if (dev->i2c_rc == 0)
209 			hauppauge_eeprom(dev, eeprom+0xa0);
210 		break;
211 	}
212 
213 	au0828_card_analog_fe_setup(dev);
214 }
215 
216 void au0828_card_analog_fe_setup(struct au0828_dev *dev)
217 {
218 #ifdef CONFIG_VIDEO_AU0828_V4L2
219 	struct tuner_setup tun_setup;
220 	struct v4l2_subdev *sd;
221 	unsigned int mode_mask = T_ANALOG_TV;
222 
223 	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
224 		/* Load the analog demodulator driver (note this would need to
225 		   be abstracted out if we ever need to support a different
226 		   demod) */
227 		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
228 				"au8522", 0x8e >> 1, NULL);
229 		if (sd == NULL)
230 			printk(KERN_ERR "analog subdev registration failed\n");
231 	}
232 
233 	/* Setup tuners */
234 	if (dev->board.tuner_type != TUNER_ABSENT) {
235 		/* Load the tuner module, which does the attach */
236 		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
237 				"tuner", dev->board.tuner_addr, NULL);
238 		if (sd == NULL)
239 			printk(KERN_ERR "tuner subdev registration fail\n");
240 
241 		tun_setup.mode_mask      = mode_mask;
242 		tun_setup.type           = dev->board.tuner_type;
243 		tun_setup.addr           = dev->board.tuner_addr;
244 		tun_setup.tuner_callback = au0828_tuner_callback;
245 		v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr,
246 				     &tun_setup);
247 	}
248 #endif
249 }
250 
251 /*
252  * The bridge has between 8 and 12 gpios.
253  * Regs 1 and 0 deal with output enables.
254  * Regs 3 and 2 deal with direction.
255  */
256 void au0828_gpio_setup(struct au0828_dev *dev)
257 {
258 	dprintk(1, "%s()\n", __func__);
259 
260 	switch (dev->boardnr) {
261 	case AU0828_BOARD_HAUPPAUGE_HVR850:
262 	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
263 	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
264 	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
265 		/* GPIO's
266 		 * 4 - CS5340
267 		 * 5 - AU8522 Demodulator
268 		 * 6 - eeprom W/P
269 		 * 7 - power supply
270 		 * 9 - XC5000 Tuner
271 		 */
272 
273 		/* Into reset */
274 		au0828_write(dev, REG_003, 0x02);
275 		au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
276 		au0828_write(dev, REG_001, 0x0);
277 		au0828_write(dev, REG_000, 0x0);
278 		msleep(100);
279 
280 		/* Out of reset (leave the cs5340 in reset until needed) */
281 		au0828_write(dev, REG_003, 0x02);
282 		au0828_write(dev, REG_001, 0x02);
283 		au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
284 		au0828_write(dev, REG_000, 0x80 | 0x40 | 0x20);
285 
286 		msleep(250);
287 		break;
288 	case AU0828_BOARD_DVICO_FUSIONHDTV7:
289 		/* GPIO's
290 		 * 6 - ?
291 		 * 8 - AU8522 Demodulator
292 		 * 9 - XC5000 Tuner
293 		 */
294 
295 		/* Into reset */
296 		au0828_write(dev, REG_003, 0x02);
297 		au0828_write(dev, REG_002, 0xa0);
298 		au0828_write(dev, REG_001, 0x0);
299 		au0828_write(dev, REG_000, 0x0);
300 		msleep(100);
301 
302 		/* Out of reset */
303 		au0828_write(dev, REG_003, 0x02);
304 		au0828_write(dev, REG_002, 0xa0);
305 		au0828_write(dev, REG_001, 0x02);
306 		au0828_write(dev, REG_000, 0xa0);
307 		msleep(250);
308 		break;
309 	}
310 }
311 
312 /* table of devices that work with this driver */
313 struct usb_device_id au0828_usb_id_table[] = {
314 	{ USB_DEVICE(0x2040, 0x7200),
315 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
316 	{ USB_DEVICE(0x2040, 0x7240),
317 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
318 	{ USB_DEVICE(0x0fe9, 0xd620),
319 		.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
320 	{ USB_DEVICE(0x2040, 0x7210),
321 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
322 	{ USB_DEVICE(0x2040, 0x7217),
323 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
324 	{ USB_DEVICE(0x2040, 0x721b),
325 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
326 	{ USB_DEVICE(0x2040, 0x721e),
327 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
328 	{ USB_DEVICE(0x2040, 0x721f),
329 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
330 	{ USB_DEVICE(0x2040, 0x7280),
331 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
332 	{ USB_DEVICE(0x0fd9, 0x0008),
333 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
334 	{ USB_DEVICE(0x2040, 0x7201),
335 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
336 	{ USB_DEVICE(0x2040, 0x7211),
337 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
338 	{ USB_DEVICE(0x2040, 0x7281),
339 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
340 	{ USB_DEVICE(0x05e1, 0x0480),
341 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
342 	{ USB_DEVICE(0x2040, 0x8200),
343 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
344 	{ USB_DEVICE(0x2040, 0x7260),
345 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
346 	{ USB_DEVICE(0x2040, 0x7213),
347 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
348 	{ USB_DEVICE(0x2040, 0x7270),
349 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
350 	{ },
351 };
352 
353 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
354