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Linux/drivers/media/usb/au0828/au0828-cards.c

  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_20KHZ,
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                 /* Set relevant GPIOs as outputs (leave the EEPROM W/P
274                    as an input since we will never touch it and it has
275                    a pullup) */
276                 au0828_write(dev, REG_003, 0x02);
277                 au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
278 
279                 /* Into reset */
280                 au0828_write(dev, REG_001, 0x0);
281                 au0828_write(dev, REG_000, 0x0);
282                 msleep(50);
283 
284                 /* Bring power supply out of reset */
285                 au0828_write(dev, REG_000, 0x80);
286                 msleep(50);
287 
288                 /* Bring xc5000 and au8522 out of reset (leave the
289                    cs5340 in reset until needed) */
290                 au0828_write(dev, REG_001, 0x02); /* xc5000 */
291                 au0828_write(dev, REG_000, 0x80 | 0x20); /* PS + au8522 */
292 
293                 msleep(250);
294                 break;
295         case AU0828_BOARD_DVICO_FUSIONHDTV7:
296                 /* GPIO's
297                  * 6 - ?
298                  * 8 - AU8522 Demodulator
299                  * 9 - XC5000 Tuner
300                  */
301 
302                 /* Into reset */
303                 au0828_write(dev, REG_003, 0x02);
304                 au0828_write(dev, REG_002, 0xa0);
305                 au0828_write(dev, REG_001, 0x0);
306                 au0828_write(dev, REG_000, 0x0);
307                 msleep(100);
308 
309                 /* Out of reset */
310                 au0828_write(dev, REG_003, 0x02);
311                 au0828_write(dev, REG_002, 0xa0);
312                 au0828_write(dev, REG_001, 0x02);
313                 au0828_write(dev, REG_000, 0xa0);
314                 msleep(250);
315                 break;
316         }
317 }
318 
319 /* table of devices that work with this driver */
320 struct usb_device_id au0828_usb_id_table[] = {
321         { USB_DEVICE(0x2040, 0x7200),
322                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
323         { USB_DEVICE(0x2040, 0x7240),
324                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
325         { USB_DEVICE(0x0fe9, 0xd620),
326                 .driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
327         { USB_DEVICE(0x2040, 0x7210),
328                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
329         { USB_DEVICE(0x2040, 0x7217),
330                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
331         { USB_DEVICE(0x2040, 0x721b),
332                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
333         { USB_DEVICE(0x2040, 0x721e),
334                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
335         { USB_DEVICE(0x2040, 0x721f),
336                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
337         { USB_DEVICE(0x2040, 0x7280),
338                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
339         { USB_DEVICE(0x0fd9, 0x0008),
340                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
341         { USB_DEVICE(0x2040, 0x7201),
342                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
343         { USB_DEVICE(0x2040, 0x7211),
344                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
345         { USB_DEVICE(0x2040, 0x7281),
346                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
347         { USB_DEVICE(0x05e1, 0x0480),
348                 .driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
349         { USB_DEVICE(0x2040, 0x8200),
350                 .driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
351         { USB_DEVICE(0x2040, 0x7260),
352                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
353         { USB_DEVICE(0x2040, 0x7213),
354                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
355         { USB_DEVICE(0x2040, 0x7270),
356                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
357         { },
358 };
359 
360 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
361 

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