Merge branch 'linus' into core/iommu
[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 = go->hpi_context;
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         if (down_interruptible(&usb->i2c_lock) != 0) {
168                 printk(KERN_INFO "i2c lock failed\n");
169                 return -EINTR;
170         }
171         rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
172                                        (reg<<8 | value),
173                                        buf,
174                                        16, 1);
175
176         up(&usb->i2c_lock);
177         kfree(buf);
178         return rc;
179 }
180
181 static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
182 {
183         struct go7007 *go = i2c_get_adapdata(client->adapter);
184         struct go7007_usb *usb = go->hpi_context;
185         u8 *buf;
186         struct s2250 *dec = i2c_get_clientdata(client);
187
188         if (go == NULL)
189                 return -ENODEV;
190
191         if (go->status == STATUS_SHUTDOWN)
192                 return -EBUSY;
193
194         buf = kzalloc(16, GFP_KERNEL);
195
196         if (buf == NULL)
197                 return -ENOMEM;
198
199
200
201         memset(buf, 0xcd, 6);
202
203         if (down_interruptible(&usb->i2c_lock) != 0) {
204                 printk(KERN_INFO "i2c lock failed\n");
205                 return -EINTR;
206         }
207         if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
208                 return -EFAULT;
209
210         up(&usb->i2c_lock);
211         if (buf[0] == 0) {
212                 unsigned int subaddr, val_read;
213
214                 subaddr = (buf[4] << 8) + buf[5];
215                 val_read = (buf[2] << 8) + buf[3];
216                 if (val_read != val) {
217                         printk(KERN_INFO "invalid fp write %x %x\n",
218                                val_read, val);
219                         return -EFAULT;
220                 }
221                 if (subaddr != addr) {
222                         printk(KERN_INFO "invalid fp write addr %x %x\n",
223                                subaddr, addr);
224                         return -EFAULT;
225                 }
226         } else
227                 return -EFAULT;
228
229         /* save last 12b value */
230         if (addr == 0x12b)
231                 dec->reg12b_val = val;
232
233         return 0;
234 }
235
236 static int write_regs(struct i2c_client *client, u8 *regs)
237 {
238         int i;
239
240         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
241                 if (write_reg(client, regs[i], regs[i+1]) < 0) {
242                         printk(KERN_INFO "s2250: failed\n");
243                         return -1;
244                 }
245         }
246         return 0;
247 }
248
249 static int write_regs_fp(struct i2c_client *client, u16 *regs)
250 {
251         int i;
252
253         for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
254                 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
255                         printk(KERN_INFO "s2250: failed fp\n");
256                         return -1;
257                 }
258         }
259         return 0;
260 }
261
262
263 static int s2250_command(struct i2c_client *client,
264                          unsigned int cmd, void *arg)
265 {
266         struct s2250 *dec = i2c_get_clientdata(client);
267
268         switch (cmd) {
269         case VIDIOC_S_INPUT:
270         {
271                 int vidsys;
272                 int *input = arg;
273
274                 vidsys = (dec->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
275                 if (*input == 0) {
276                         /* composite */
277                         write_reg_fp(client, 0x20, 0x020 | vidsys);
278                         write_reg_fp(client, 0x21, 0x662);
279                         write_reg_fp(client, 0x140, 0x060);
280                 } else {
281                         /* S-Video */
282                         write_reg_fp(client, 0x20, 0x040 | vidsys);
283                         write_reg_fp(client, 0x21, 0x666);
284                         write_reg_fp(client, 0x140, 0x060);
285                 }
286                 dec->input = *input;
287                 break;
288         }
289         case VIDIOC_S_STD:
290         {
291                 v4l2_std_id *std = arg;
292                 u16 vidsource;
293
294                 vidsource = (dec->input == 1) ? 0x040 : 0x020;
295                 dec->std = *std;
296                 switch (dec->std) {
297                 case V4L2_STD_NTSC:
298                         write_regs_fp(client, vid_regs_fp);
299                         write_reg_fp(client, 0x20, vidsource | 1);
300                         break;
301                 case V4L2_STD_PAL:
302                         write_regs_fp(client, vid_regs_fp);
303                         write_regs_fp(client, vid_regs_fp_pal);
304                         write_reg_fp(client, 0x20, vidsource);
305                         break;
306                 default:
307                         return -EINVAL;
308                 }
309                 break;
310         }
311         case VIDIOC_QUERYCTRL:
312         {
313                 struct v4l2_queryctrl *ctrl = arg;
314                 static const u32 user_ctrls[] = {
315                         V4L2_CID_BRIGHTNESS,
316                         V4L2_CID_CONTRAST,
317                         V4L2_CID_SATURATION,
318                         V4L2_CID_HUE,
319                         0
320                 };
321                 static const u32 *ctrl_classes[] = {
322                         user_ctrls,
323                         NULL
324                 };
325
326                 ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id);
327                 switch (ctrl->id) {
328                 case V4L2_CID_BRIGHTNESS:
329                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
330                         break;
331                 case V4L2_CID_CONTRAST:
332                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
333                         break;
334                 case V4L2_CID_SATURATION:
335                         v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
336                         break;
337                 case V4L2_CID_HUE:
338                         v4l2_ctrl_query_fill(ctrl, -50, 50, 1, 0);
339                         break;
340                 default:
341                         ctrl->name[0] = '\0';
342                         return -EINVAL;
343                 }
344                 break;
345         }
346         case VIDIOC_S_CTRL:
347         {
348                 struct v4l2_control *ctrl = arg;
349                 int value1;
350
351                 switch (ctrl->id) {
352                 case V4L2_CID_BRIGHTNESS:
353                         printk(KERN_INFO "s2250: future setting\n");
354                         return -EINVAL;
355                 case V4L2_CID_CONTRAST:
356                         printk(KERN_INFO "s2250: future setting\n");
357                         return -EINVAL;
358                         break;
359                 case V4L2_CID_SATURATION:
360                         if (ctrl->value > 127)
361                                 dec->saturation = 127;
362                         else if (ctrl->value < 0)
363                                 dec->saturation = 0;
364                         else
365                                 dec->saturation = ctrl->value;
366
367                         value1 = dec->saturation * 4140 / 100;
368                         if (value1 > 4094)
369                                 value1 = 4094;
370                         write_reg_fp(client, VPX322_ADDR_SAT, value1);
371                         break;
372                 case V4L2_CID_HUE:
373                         if (ctrl->value > 50)
374                                 dec->hue = 50;
375                         else if (ctrl->value < -50)
376                                 dec->hue = -50;
377                         else
378                                 dec->hue = ctrl->value;
379                         /* clamp the hue range */
380                         value1 = dec->hue * 280 / 50;
381                         write_reg_fp(client, VPX322_ADDR_HUE, value1);
382                         break;
383                 }
384                 break;
385         }
386         case VIDIOC_G_CTRL:
387         {
388                 struct v4l2_control *ctrl = arg;
389
390                 switch (ctrl->id) {
391                 case V4L2_CID_BRIGHTNESS:
392                         ctrl->value = dec->brightness;
393                         break;
394                 case V4L2_CID_CONTRAST:
395                         ctrl->value = dec->contrast;
396                         break;
397                 case V4L2_CID_SATURATION:
398                         ctrl->value = dec->saturation;
399                         break;
400                 case V4L2_CID_HUE:
401                         ctrl->value = dec->hue;
402                         break;
403                 }
404                 break;
405         }
406         case VIDIOC_S_FMT:
407         {
408                 struct v4l2_format *fmt = arg;
409                 if (fmt->fmt.pix.height < 640) {
410                         write_reg_fp(client, 0x12b, dec->reg12b_val | 0x400);
411                         write_reg_fp(client, 0x140, 0x060);
412                 } else {
413                         write_reg_fp(client, 0x12b, dec->reg12b_val & ~0x400);
414                         write_reg_fp(client, 0x140, 0x060);
415                 }
416                 return 0;
417         }
418         case VIDIOC_G_AUDIO:
419         {
420                 struct v4l2_audio *audio = arg;
421
422                 memset(audio, 0, sizeof(*audio));
423                 audio->index = dec->audio_input;
424                 /* fall through */
425         }
426         case VIDIOC_ENUMAUDIO:
427         {
428                 struct v4l2_audio *audio = arg;
429
430                 switch (audio->index) {
431                 case 0:
432                         strcpy(audio->name, "Line In");
433                         break;
434                 case 1:
435                         strcpy(audio->name, "Mic");
436                         break;
437                 case 2:
438                         strcpy(audio->name, "Mic Boost");
439                         break;
440                 default:
441                         audio->name[0] = '\0';
442                         return 0;
443                 }
444                 audio->capability = V4L2_AUDCAP_STEREO;
445                 audio->mode = 0;
446                 return 0;
447         }
448         case VIDIOC_S_AUDIO:
449         {
450                 struct v4l2_audio *audio = arg;
451
452                 client->addr = TLV320_ADDRESS;
453                 switch (audio->index) {
454                 case 0:
455                         write_reg(client, 0x08, 0x02); /* Line In */
456                         break;
457                 case 1:
458                         write_reg(client, 0x08, 0x04); /* Mic */
459                         break;
460                 case 2:
461                         write_reg(client, 0x08, 0x05); /* Mic Boost */
462                         break;
463                 default:
464                         return -EINVAL;
465                 }
466                 dec->audio_input = audio->index;
467                 return 0;
468         }
469
470         default:
471                 printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
472                 break;
473         }
474         return 0;
475 }
476
477 static struct i2c_driver s2250_driver;
478
479 static struct i2c_client s2250_client_templ = {
480         .name           = "Sensoray 2250",
481         .driver         = &s2250_driver,
482 };
483
484 static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind)
485 {
486         struct i2c_client *client;
487         struct s2250 *dec;
488         u8 *data;
489         struct go7007 *go = i2c_get_adapdata(adapter);
490         struct go7007_usb *usb = go->hpi_context;
491
492         client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
493         if (client == NULL)
494                 return -ENOMEM;
495         memcpy(client, &s2250_client_templ,
496                sizeof(s2250_client_templ));
497         client->adapter = adapter;
498
499         dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
500         if (dec == NULL) {
501                 kfree(client);
502                 return -ENOMEM;
503         }
504
505         dec->std = V4L2_STD_NTSC;
506         dec->brightness = 50;
507         dec->contrast = 50;
508         dec->saturation = 50;
509         dec->hue = 0;
510         client->addr = TLV320_ADDRESS;
511         i2c_set_clientdata(client, dec);
512
513         printk(KERN_DEBUG
514                "s2250: initializing video decoder on %s\n",
515                adapter->name);
516
517         /* initialize the audio */
518         client->addr = TLV320_ADDRESS;
519         if (write_regs(client, aud_regs) < 0) {
520                 printk(KERN_ERR
521                        "s2250: error initializing audio\n");
522                 kfree(client);
523                 kfree(dec);
524                 return 0;
525         }
526         client->addr = S2250_VIDDEC;
527         i2c_set_clientdata(client, dec);
528
529         if (write_regs(client, vid_regs) < 0) {
530                 printk(KERN_ERR
531                        "s2250: error initializing decoder\n");
532                 kfree(client);
533                 kfree(dec);
534                 return 0;
535         }
536         if (write_regs_fp(client, vid_regs_fp) < 0) {
537                 printk(KERN_ERR
538                        "s2250: error initializing decoder\n");
539                 kfree(client);
540                 kfree(dec);
541                 return 0;
542         }
543         /* set default channel */
544         /* composite */
545         write_reg_fp(client, 0x20, 0x020 | 1);
546         write_reg_fp(client, 0x21, 0x662);
547         write_reg_fp(client, 0x140, 0x060);
548
549         /* set default audio input */
550         dec->audio_input = 0;
551         write_reg(client, 0x08, 0x02); /* Line In */
552
553         if (down_interruptible(&usb->i2c_lock) == 0) {
554                 data = kzalloc(16, GFP_KERNEL);
555                 if (data != NULL) {
556                         int rc;
557                         rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
558                                                        data, 16, 1);
559                         if (rc > 0) {
560                                 u8 mask;
561                                 data[0] = 0;
562                                 mask = 1<<5;
563                                 data[0] &= ~mask;
564                                 data[1] |= mask;
565                                 go7007_usb_vendor_request(go, 0x40, 0,
566                                                           (data[1]<<8)
567                                                           + data[1],
568                                                           data, 16, 0);
569                         }
570                         kfree(data);
571                 }
572                 up(&usb->i2c_lock);
573         }
574
575         i2c_attach_client(client);
576         printk("s2250: initialized successfully\n");
577         return 0;
578 }
579
580 static int s2250_detach(struct i2c_client *client)
581 {
582         struct s2250 *dec = i2c_get_clientdata(client);
583         int r;
584
585         r = i2c_detach_client(client);
586         if (r < 0)
587                 return r;
588
589         kfree(client);
590         kfree(dec);
591         return 0;
592 }
593
594 static struct i2c_driver s2250_driver = {
595         .driver = {
596                 .name   = "Sensoray 2250 board driver",
597         },
598         .id             = I2C_DRIVERID_S2250,
599         .detach_client  = s2250_detach,
600         .command        = s2250_command,
601 };
602
603 static int __init s2250_init(void)
604 {
605         int r;
606
607         r = s2250loader_init();
608         if (r < 0)
609                 return r;
610
611         r = i2c_add_driver(&s2250_driver);
612         if (r < 0)
613                 return r;
614         return wis_i2c_add_driver(s2250_driver.id, s2250_detect);
615 }
616
617 static void __exit s2250_cleanup(void)
618 {
619         wis_i2c_del_driver(s2250_detect);
620         i2c_del_driver(&s2250_driver);
621
622         s2250loader_cleanup();
623 }
624
625 module_init(s2250_init);
626 module_exit(s2250_cleanup);
627
628 MODULE_AUTHOR("");
629 MODULE_DESCRIPTION("Board driver for Sensoryray 2250");
630 MODULE_LICENSE("GPL v2");