Merge branch 'avr32-arch' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoe...
[linux-2.6] / drivers / staging / go7007 / s2250-board.c
1 /*
2  * Copyright (C) 2008 Sensoray Company Inc.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License (Version 2) as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software Foundation,
15  * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16  */
17
18 #include <linux/module.h>
19 #include <linux/init.h>
20 #include <linux/usb.h>
21 #include <linux/i2c.h>
22 #include <linux/videodev2.h>
23 #include <media/v4l2-common.h>
24 #include "go7007-priv.h"
25 #include "wis-i2c.h"
26
27 extern int s2250loader_init(void);
28 extern void s2250loader_cleanup(void);
29
30 #define TLV320_ADDRESS      0x34
31 #define S2250_VIDDEC        0x86
32 #define VPX322_ADDR_ANALOGCONTROL1      0x02
33 #define VPX322_ADDR_BRIGHTNESS0         0x0127
34 #define VPX322_ADDR_BRIGHTNESS1         0x0131
35 #define VPX322_ADDR_CONTRAST0           0x0128
36 #define VPX322_ADDR_CONTRAST1           0x0132
37 #define VPX322_ADDR_HUE                 0x00dc
38 #define VPX322_ADDR_SAT                 0x0030
39
40 struct go7007_usb_board {
41         unsigned int flags;
42         struct go7007_board_info main_info;
43 };
44
45 struct go7007_usb {
46         struct go7007_usb_board *board;
47         struct semaphore i2c_lock;
48         struct usb_device *usbdev;
49         struct urb *video_urbs[8];
50         struct urb *audio_urbs[8];
51         struct urb *intr_urb;
52 };
53
54 static unsigned char aud_regs[] = {
55         0x1e, 0x00,
56         0x00, 0x17,
57         0x02, 0x17,
58         0x04, 0xf9,
59         0x06, 0xf9,
60         0x08, 0x02,
61         0x0a, 0x00,
62         0x0c, 0x00,
63         0x0a, 0x00,
64         0x0c, 0x00,
65         0x0e, 0x02,
66         0x10, 0x00,
67         0x12, 0x01,
68         0x00, 0x00,
69 };
70
71
72 static unsigned char vid_regs[] = {
73         0xF2, 0x0f,
74         0xAA, 0x00,
75         0xF8, 0xff,
76         0x00, 0x00,
77 };
78
79 static u16 vid_regs_fp[] = {
80         0x028, 0x067,
81         0x120, 0x016,
82         0x121, 0xcF2,
83         0x122, 0x0F2,
84         0x123, 0x00c,
85         0x124, 0x2d0,
86         0x125, 0x2e0,
87         0x126, 0x004,
88         0x128, 0x1E0,
89         0x12A, 0x016,
90         0x12B, 0x0F2,
91         0x12C, 0x0F2,
92         0x12D, 0x00c,
93         0x12E, 0x2d0,
94         0x12F, 0x2e0,
95         0x130, 0x004,
96         0x132, 0x1E0,
97         0x140, 0x060,
98         0x153, 0x00C,
99         0x154, 0x200,
100         0x150, 0x801,
101         0x000, 0x000
102 };
103
104 /* PAL specific values */
105 static u16 vid_regs_fp_pal[] =
106 {
107         0x120, 0x017,
108         0x121, 0xd22,
109         0x122, 0x122,
110         0x12A, 0x017,
111         0x12B, 0x122,
112         0x12C, 0x122,
113         0x140, 0x060,
114         0x000, 0x000,
115 };
116
117 struct s2250 {
118         int std;
119         int input;
120         int brightness;
121         int contrast;
122         int saturation;
123         int hue;
124         int reg12b_val;
125         int audio_input;
126 };
127
128 /* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
129 static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
130         u16 value, u16 index, void *transfer_buffer, int length, int in)
131 {
132         struct go7007_usb *usb = go->hpi_context;
133         int timeout = 5000;
134
135         if (in) {
136                 return usb_control_msg(usb->usbdev,
137                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
138                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
139                                 value, index, transfer_buffer, length, timeout);
140         } else {
141                 return usb_control_msg(usb->usbdev,
142                                 usb_sndctrlpipe(usb->usbdev, 0), request,
143                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
144                                 value, index, transfer_buffer, length, timeout);
145         }
146 }
147 /* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
148
149 static int write_reg(struct i2c_client *client, u8 reg, u8 value)
150 {
151         struct go7007 *go = i2c_get_adapdata(client->adapter);
152         struct go7007_usb *usb;
153         int rc;
154         int dev_addr = client->addr;
155         u8 *buf;
156
157         if (go == NULL)
158                 return -ENODEV;
159
160         if (go->status == STATUS_SHUTDOWN)
161                 return -EBUSY;
162
163         buf = kzalloc(16, GFP_KERNEL);
164         if (buf == NULL)
165                 return -ENOMEM;
166
167         usb = go->hpi_context;
168         if (down_interruptible(&usb->i2c_lock) != 0) {
169                 printk(KERN_INFO "i2c lock failed\n");
170                 kfree(buf);
171                 return -EINTR;
172         }
173         rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
174                                        (reg<<8 | value),
175                                        buf,
176                                        16, 1);
177
178         up(&usb->i2c_lock);
179         kfree(buf);
180         return rc;
181 }
182
183 static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
184 {
185         struct go7007 *go = i2c_get_adapdata(client->adapter);
186         struct go7007_usb *usb;
187         u8 *buf;
188         struct s2250 *dec = i2c_get_clientdata(client);
189
190         if (go == NULL)
191                 return -ENODEV;
192
193         if (go->status == STATUS_SHUTDOWN)
194                 return -EBUSY;
195
196         buf = kzalloc(16, GFP_KERNEL);
197
198         if (buf == NULL)
199                 return -ENOMEM;
200
201
202
203         memset(buf, 0xcd, 6);
204
205         usb = go->hpi_context;
206         if (down_interruptible(&usb->i2c_lock) != 0) {
207                 printk(KERN_INFO "i2c lock failed\n");
208                 return -EINTR;
209         }
210         if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
211                 return -EFAULT;
212
213         up(&usb->i2c_lock);
214         if (buf[0] == 0) {
215                 unsigned int subaddr, val_read;
216
217                 subaddr = (buf[4] << 8) + buf[5];
218                 val_read = (buf[2] << 8) + buf[3];
219                 if (val_read != val) {
220                         printk(KERN_INFO "invalid fp write %x %x\n",
221                                val_read, val);
222                         return -EFAULT;
223                 }
224                 if (subaddr != addr) {
225                         printk(KERN_INFO "invalid fp write addr %x %x\n",
226                                subaddr, addr);
227                         return -EFAULT;
228                 }
229         } else
230                 return -EFAULT;
231
232         /* save last 12b value */
233         if (addr == 0x12b)
234                 dec->reg12b_val = val;
235
236         return 0;
237 }
238
239 static int write_regs(struct i2c_client *client, u8 *regs)
240 {
241         int i;
242
243         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
244                 if (write_reg(client, regs[i], regs[i+1]) < 0) {
245                         printk(KERN_INFO "s2250: failed\n");
246                         return -1;
247                 }
248         }
249         return 0;
250 }
251
252 static int write_regs_fp(struct i2c_client *client, u16 *regs)
253 {
254         int i;
255
256         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
257                 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
258                         printk(KERN_INFO "s2250: failed fp\n");
259                         return -1;
260                 }
261         }
262         return 0;
263 }
264
265
266 static int s2250_command(struct i2c_client *client,
267                          unsigned int cmd, void *arg)
268 {
269         struct s2250 *dec = i2c_get_clientdata(client);
270
271         switch (cmd) {
272         case VIDIOC_S_INPUT:
273         {
274                 int vidsys;
275                 int *input = arg;
276
277                 vidsys = (dec->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
278                 if (*input == 0) {
279                         /* composite */
280                         write_reg_fp(client, 0x20, 0x020 | vidsys);
281                         write_reg_fp(client, 0x21, 0x662);
282                         write_reg_fp(client, 0x140, 0x060);
283                 } else {
284                         /* S-Video */
285                         write_reg_fp(client, 0x20, 0x040 | vidsys);
286                         write_reg_fp(client, 0x21, 0x666);
287                         write_reg_fp(client, 0x140, 0x060);
288                 }
289                 dec->input = *input;
290                 break;
291         }
292         case VIDIOC_S_STD:
293         {
294                 v4l2_std_id *std = arg;
295                 u16 vidsource;
296
297                 vidsource = (dec->input == 1) ? 0x040 : 0x020;
298                 dec->std = *std;
299                 switch (dec->std) {
300                 case V4L2_STD_NTSC:
301                         write_regs_fp(client, vid_regs_fp);
302                         write_reg_fp(client, 0x20, vidsource | 1);
303                         break;
304                 case V4L2_STD_PAL:
305                         write_regs_fp(client, vid_regs_fp);
306                         write_regs_fp(client, vid_regs_fp_pal);
307                         write_reg_fp(client, 0x20, vidsource);
308                         break;
309                 default:
310                         return -EINVAL;
311                 }
312                 break;
313         }
314         case VIDIOC_QUERYCTRL:
315         {
316                 struct v4l2_queryctrl *ctrl = arg;
317                 static const u32 user_ctrls[] = {
318                         V4L2_CID_BRIGHTNESS,
319                         V4L2_CID_CONTRAST,
320                         V4L2_CID_SATURATION,
321                         V4L2_CID_HUE,
322                         0
323                 };
324                 static const u32 *ctrl_classes[] = {
325                         user_ctrls,
326                         NULL
327                 };
328
329                 ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id);
330                 switch (ctrl->id) {
331                 case V4L2_CID_BRIGHTNESS:
332                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
333                         break;
334                 case V4L2_CID_CONTRAST:
335                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
336                         break;
337                 case V4L2_CID_SATURATION:
338                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
339                         break;
340                 case V4L2_CID_HUE:
341                         v4l2_ctrl_query_fill(ctrl, -50, 50, 1, 0);
342                         break;
343                 default:
344                         ctrl->name[0] = '\0';
345                         return -EINVAL;
346                 }
347                 break;
348         }
349         case VIDIOC_S_CTRL:
350         {
351                 struct v4l2_control *ctrl = arg;
352                 int value1;
353
354                 switch (ctrl->id) {
355                 case V4L2_CID_BRIGHTNESS:
356                         printk(KERN_INFO "s2250: future setting\n");
357                         return -EINVAL;
358                 case V4L2_CID_CONTRAST:
359                         printk(KERN_INFO "s2250: future setting\n");
360                         return -EINVAL;
361                         break;
362                 case V4L2_CID_SATURATION:
363                         if (ctrl->value > 127)
364                                 dec->saturation = 127;
365                         else if (ctrl->value < 0)
366                                 dec->saturation = 0;
367                         else
368                                 dec->saturation = ctrl->value;
369
370                         value1 = dec->saturation * 4140 / 100;
371                         if (value1 > 4094)
372                                 value1 = 4094;
373                         write_reg_fp(client, VPX322_ADDR_SAT, value1);
374                         break;
375                 case V4L2_CID_HUE:
376                         if (ctrl->value > 50)
377                                 dec->hue = 50;
378                         else if (ctrl->value < -50)
379                                 dec->hue = -50;
380                         else
381                                 dec->hue = ctrl->value;
382                         /* clamp the hue range */
383                         value1 = dec->hue * 280 / 50;
384                         write_reg_fp(client, VPX322_ADDR_HUE, value1);
385                         break;
386                 }
387                 break;
388         }
389         case VIDIOC_G_CTRL:
390         {
391                 struct v4l2_control *ctrl = arg;
392
393                 switch (ctrl->id) {
394                 case V4L2_CID_BRIGHTNESS:
395                         ctrl->value = dec->brightness;
396                         break;
397                 case V4L2_CID_CONTRAST:
398                         ctrl->value = dec->contrast;
399                         break;
400                 case V4L2_CID_SATURATION:
401                         ctrl->value = dec->saturation;
402                         break;
403                 case V4L2_CID_HUE:
404                         ctrl->value = dec->hue;
405                         break;
406                 }
407                 break;
408         }
409         case VIDIOC_S_FMT:
410         {
411                 struct v4l2_format *fmt = arg;
412                 if (fmt->fmt.pix.height < 640) {
413                         write_reg_fp(client, 0x12b, dec->reg12b_val | 0x400);
414                         write_reg_fp(client, 0x140, 0x060);
415                 } else {
416                         write_reg_fp(client, 0x12b, dec->reg12b_val & ~0x400);
417                         write_reg_fp(client, 0x140, 0x060);
418                 }
419                 return 0;
420         }
421         case VIDIOC_G_AUDIO:
422         {
423                 struct v4l2_audio *audio = arg;
424
425                 memset(audio, 0, sizeof(*audio));
426                 audio->index = dec->audio_input;
427                 /* fall through */
428         }
429         case VIDIOC_ENUMAUDIO:
430         {
431                 struct v4l2_audio *audio = arg;
432
433                 switch (audio->index) {
434                 case 0:
435                         strcpy(audio->name, "Line In");
436                         break;
437                 case 1:
438                         strcpy(audio->name, "Mic");
439                         break;
440                 case 2:
441                         strcpy(audio->name, "Mic Boost");
442                         break;
443                 default:
444                         audio->name[0] = '\0';
445                         return 0;
446                 }
447                 audio->capability = V4L2_AUDCAP_STEREO;
448                 audio->mode = 0;
449                 return 0;
450         }
451         case VIDIOC_S_AUDIO:
452         {
453                 struct v4l2_audio *audio = arg;
454
455                 client->addr = TLV320_ADDRESS;
456                 switch (audio->index) {
457                 case 0:
458                         write_reg(client, 0x08, 0x02); /* Line In */
459                         break;
460                 case 1:
461                         write_reg(client, 0x08, 0x04); /* Mic */
462                         break;
463                 case 2:
464                         write_reg(client, 0x08, 0x05); /* Mic Boost */
465                         break;
466                 default:
467                         return -EINVAL;
468                 }
469                 dec->audio_input = audio->index;
470                 return 0;
471         }
472
473         default:
474                 printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
475                 break;
476         }
477         return 0;
478 }
479
480 static struct i2c_driver s2250_driver;
481
482 static struct i2c_client s2250_client_templ = {
483         .name           = "Sensoray 2250",
484         .driver         = &s2250_driver,
485 };
486
487 static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind)
488 {
489         struct i2c_client *client;
490         struct s2250 *dec;
491         u8 *data;
492         struct go7007 *go = i2c_get_adapdata(adapter);
493         struct go7007_usb *usb = go->hpi_context;
494
495         client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
496         if (client == NULL)
497                 return -ENOMEM;
498         memcpy(client, &s2250_client_templ,
499                sizeof(s2250_client_templ));
500         client->adapter = adapter;
501
502         dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
503         if (dec == NULL) {
504                 kfree(client);
505                 return -ENOMEM;
506         }
507
508         dec->std = V4L2_STD_NTSC;
509         dec->brightness = 50;
510         dec->contrast = 50;
511         dec->saturation = 50;
512         dec->hue = 0;
513         client->addr = TLV320_ADDRESS;
514         i2c_set_clientdata(client, dec);
515
516         printk(KERN_DEBUG
517                "s2250: initializing video decoder on %s\n",
518                adapter->name);
519
520         /* initialize the audio */
521         client->addr = TLV320_ADDRESS;
522         if (write_regs(client, aud_regs) < 0) {
523                 printk(KERN_ERR
524                        "s2250: error initializing audio\n");
525                 kfree(client);
526                 kfree(dec);
527                 return 0;
528         }
529         client->addr = S2250_VIDDEC;
530         i2c_set_clientdata(client, dec);
531
532         if (write_regs(client, vid_regs) < 0) {
533                 printk(KERN_ERR
534                        "s2250: error initializing decoder\n");
535                 kfree(client);
536                 kfree(dec);
537                 return 0;
538         }
539         if (write_regs_fp(client, vid_regs_fp) < 0) {
540                 printk(KERN_ERR
541                        "s2250: error initializing decoder\n");
542                 kfree(client);
543                 kfree(dec);
544                 return 0;
545         }
546         /* set default channel */
547         /* composite */
548         write_reg_fp(client, 0x20, 0x020 | 1);
549         write_reg_fp(client, 0x21, 0x662);
550         write_reg_fp(client, 0x140, 0x060);
551
552         /* set default audio input */
553         dec->audio_input = 0;
554         write_reg(client, 0x08, 0x02); /* Line In */
555
556         if (down_interruptible(&usb->i2c_lock) == 0) {
557                 data = kzalloc(16, GFP_KERNEL);
558                 if (data != NULL) {
559                         int rc;
560                         rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
561                                                        data, 16, 1);
562                         if (rc > 0) {
563                                 u8 mask;
564                                 data[0] = 0;
565                                 mask = 1<<5;
566                                 data[0] &= ~mask;
567                                 data[1] |= mask;
568                                 go7007_usb_vendor_request(go, 0x40, 0,
569                                                           (data[1]<<8)
570                                                           + data[1],
571                                                           data, 16, 0);
572                         }
573                         kfree(data);
574                 }
575                 up(&usb->i2c_lock);
576         }
577
578         i2c_attach_client(client);
579         printk("s2250: initialized successfully\n");
580         return 0;
581 }
582
583 static int s2250_detach(struct i2c_client *client)
584 {
585         struct s2250 *dec = i2c_get_clientdata(client);
586         int r;
587
588         r = i2c_detach_client(client);
589         if (r < 0)
590                 return r;
591
592         kfree(client);
593         kfree(dec);
594         return 0;
595 }
596
597 static struct i2c_driver s2250_driver = {
598         .driver = {
599                 .name   = "Sensoray 2250 board driver",
600         },
601         .id             = I2C_DRIVERID_S2250,
602         .detach_client  = s2250_detach,
603         .command        = s2250_command,
604 };
605
606 static int __init s2250_init(void)
607 {
608         int r;
609
610         r = s2250loader_init();
611         if (r < 0)
612                 return r;
613
614         r = i2c_add_driver(&s2250_driver);
615         if (r < 0)
616                 return r;
617         return wis_i2c_add_driver(s2250_driver.id, s2250_detect);
618 }
619
620 static void __exit s2250_cleanup(void)
621 {
622         wis_i2c_del_driver(s2250_detect);
623         i2c_del_driver(&s2250_driver);
624
625         s2250loader_cleanup();
626 }
627
628 module_init(s2250_init);
629 module_exit(s2250_cleanup);
630
631 MODULE_AUTHOR("");
632 MODULE_DESCRIPTION("Board driver for Sensoryray 2250");
633 MODULE_LICENSE("GPL v2");