2 * Copyright (C) 2008 Sensoray Company Inc.
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.
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.
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.
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 <linux/slab.h>
24 #include <media/v4l2-device.h>
25 #include <media/v4l2-common.h>
26 #include <media/v4l2-subdev.h>
27 #include "go7007-priv.h"
29 MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
30 MODULE_LICENSE("GPL v2");
32 #define TLV320_ADDRESS 0x34
33 #define VPX322_ADDR_ANALOGCONTROL1 0x02
34 #define VPX322_ADDR_BRIGHTNESS0 0x0127
35 #define VPX322_ADDR_BRIGHTNESS1 0x0131
36 #define VPX322_ADDR_CONTRAST0 0x0128
37 #define VPX322_ADDR_CONTRAST1 0x0132
38 #define VPX322_ADDR_HUE 0x00dc
39 #define VPX322_ADDR_SAT 0x0030
41 struct go7007_usb_board {
43 struct go7007_board_info main_info;
47 struct go7007_usb_board *board;
48 struct mutex i2c_lock;
49 struct usb_device *usbdev;
50 struct urb *video_urbs[8];
51 struct urb *audio_urbs[8];
55 static unsigned char aud_regs[] = {
73 static unsigned char vid_regs[] = {
80 static u16 vid_regs_fp[] = {
105 /* PAL specific values */
106 static u16 vid_regs_fp_pal[] =
119 struct v4l2_subdev sd;
128 struct i2c_client *audio;
131 static inline struct s2250 *to_state(struct v4l2_subdev *sd)
133 return container_of(sd, struct s2250, sd);
136 /* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
137 static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
138 u16 value, u16 index, void *transfer_buffer, int length, int in)
140 struct go7007_usb *usb = go->hpi_context;
144 return usb_control_msg(usb->usbdev,
145 usb_rcvctrlpipe(usb->usbdev, 0), request,
146 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
147 value, index, transfer_buffer, length, timeout);
149 return usb_control_msg(usb->usbdev,
150 usb_sndctrlpipe(usb->usbdev, 0), request,
151 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
152 value, index, transfer_buffer, length, timeout);
155 /* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
157 static int write_reg(struct i2c_client *client, u8 reg, u8 value)
159 struct go7007 *go = i2c_get_adapdata(client->adapter);
160 struct go7007_usb *usb;
162 int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
168 if (go->status == STATUS_SHUTDOWN)
171 buf = kzalloc(16, GFP_KERNEL);
175 usb = go->hpi_context;
176 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
177 printk(KERN_INFO "i2c lock failed\n");
181 rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
186 mutex_unlock(&usb->i2c_lock);
191 static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
193 struct go7007 *go = i2c_get_adapdata(client->adapter);
194 struct go7007_usb *usb;
197 struct s2250 *dec = i2c_get_clientdata(client);
202 if (go->status == STATUS_SHUTDOWN)
205 buf = kzalloc(16, GFP_KERNEL);
212 memset(buf, 0xcd, 6);
214 usb = go->hpi_context;
215 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
216 printk(KERN_INFO "i2c lock failed\n");
220 rc = go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1);
221 mutex_unlock(&usb->i2c_lock);
228 unsigned int subaddr, val_read;
230 subaddr = (buf[4] << 8) + buf[5];
231 val_read = (buf[2] << 8) + buf[3];
233 if (val_read != val) {
234 printk(KERN_INFO "invalid fp write %x %x\n",
238 if (subaddr != addr) {
239 printk(KERN_INFO "invalid fp write addr %x %x\n",
248 /* save last 12b value */
250 dec->reg12b_val = val;
255 static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val)
257 struct go7007 *go = i2c_get_adapdata(client->adapter);
258 struct go7007_usb *usb;
265 if (go->status == STATUS_SHUTDOWN)
268 buf = kzalloc(16, GFP_KERNEL);
275 memset(buf, 0xcd, 6);
276 usb = go->hpi_context;
277 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
278 printk(KERN_INFO "i2c lock failed\n");
282 rc = go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1);
283 mutex_unlock(&usb->i2c_lock);
289 *val = (buf[0] << 8) | buf[1];
296 static int write_regs(struct i2c_client *client, u8 *regs)
300 for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
301 if (write_reg(client, regs[i], regs[i+1]) < 0) {
302 printk(KERN_INFO "s2250: failed\n");
309 static int write_regs_fp(struct i2c_client *client, u16 *regs)
313 for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
314 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
315 printk(KERN_INFO "s2250: failed fp\n");
323 /* ------------------------------------------------------------------------- */
325 static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
328 struct s2250 *state = to_state(sd);
329 struct i2c_client *client = v4l2_get_subdevdata(sd);
332 vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
335 write_reg_fp(client, 0x20, 0x020 | vidsys);
336 write_reg_fp(client, 0x21, 0x662);
337 write_reg_fp(client, 0x140, 0x060);
338 } else if (input == 1) {
340 write_reg_fp(client, 0x20, 0x040 | vidsys);
341 write_reg_fp(client, 0x21, 0x666);
342 write_reg_fp(client, 0x140, 0x060);
346 state->input = input;
350 static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
352 struct s2250 *state = to_state(sd);
353 struct i2c_client *client = v4l2_get_subdevdata(sd);
356 vidsource = (state->input == 1) ? 0x040 : 0x020;
359 write_regs_fp(client, vid_regs_fp);
360 write_reg_fp(client, 0x20, vidsource | 1);
363 write_regs_fp(client, vid_regs_fp);
364 write_regs_fp(client, vid_regs_fp_pal);
365 write_reg_fp(client, 0x20, vidsource);
374 static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query)
377 case V4L2_CID_BRIGHTNESS:
378 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
379 case V4L2_CID_CONTRAST:
380 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
381 case V4L2_CID_SATURATION:
382 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
384 return v4l2_ctrl_query_fill(query, -50, 50, 1, 0);
391 static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
393 struct s2250 *state = to_state(sd);
394 struct i2c_client *client = v4l2_get_subdevdata(sd);
399 case V4L2_CID_BRIGHTNESS:
400 if (ctrl->value > 100)
401 state->brightness = 100;
402 else if (ctrl->value < 0)
403 state->brightness = 0;
405 state->brightness = ctrl->value;
406 value1 = (state->brightness - 50) * 255 / 100;
407 read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
408 write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
409 value1 | (oldvalue & ~0xff));
410 read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
411 write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
412 value1 | (oldvalue & ~0xff));
413 write_reg_fp(client, 0x140, 0x60);
415 case V4L2_CID_CONTRAST:
416 if (ctrl->value > 100)
417 state->contrast = 100;
418 else if (ctrl->value < 0)
421 state->contrast = ctrl->value;
422 value1 = state->contrast * 0x40 / 100;
424 value1 = 0x3f; /* max */
425 read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
426 write_reg_fp(client, VPX322_ADDR_CONTRAST0,
427 value1 | (oldvalue & ~0x3f));
428 read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
429 write_reg_fp(client, VPX322_ADDR_CONTRAST1,
430 value1 | (oldvalue & ~0x3f));
431 write_reg_fp(client, 0x140, 0x60);
433 case V4L2_CID_SATURATION:
434 if (ctrl->value > 100)
435 state->saturation = 100;
436 else if (ctrl->value < 0)
437 state->saturation = 0;
439 state->saturation = ctrl->value;
440 value1 = state->saturation * 4140 / 100;
443 write_reg_fp(client, VPX322_ADDR_SAT, value1);
446 if (ctrl->value > 50)
448 else if (ctrl->value < -50)
451 state->hue = ctrl->value;
452 /* clamp the hue range */
453 value1 = state->hue * 280 / 50;
454 write_reg_fp(client, VPX322_ADDR_HUE, value1);
462 static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
464 struct s2250 *state = to_state(sd);
467 case V4L2_CID_BRIGHTNESS:
468 ctrl->value = state->brightness;
470 case V4L2_CID_CONTRAST:
471 ctrl->value = state->contrast;
473 case V4L2_CID_SATURATION:
474 ctrl->value = state->saturation;
477 ctrl->value = state->hue;
485 static int s2250_s_mbus_fmt(struct v4l2_subdev *sd,
486 struct v4l2_mbus_framefmt *fmt)
488 struct s2250 *state = to_state(sd);
489 struct i2c_client *client = v4l2_get_subdevdata(sd);
491 if (fmt->height < 640) {
492 write_reg_fp(client, 0x12b, state->reg12b_val | 0x400);
493 write_reg_fp(client, 0x140, 0x060);
495 write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
496 write_reg_fp(client, 0x140, 0x060);
501 static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
504 struct s2250 *state = to_state(sd);
508 write_reg(state->audio, 0x08, 0x02); /* Line In */
511 write_reg(state->audio, 0x08, 0x04); /* Mic */
514 write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
519 state->audio_input = input;
524 static int s2250_log_status(struct v4l2_subdev *sd)
526 struct s2250 *state = to_state(sd);
528 v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
529 state->std == V4L2_STD_PAL ? "PAL" :
530 state->std == V4L2_STD_SECAM ? "SECAM" :
532 v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
533 state->input == 1 ? "S-video" :
535 v4l2_info(sd, "Brightness: %d\n", state->brightness);
536 v4l2_info(sd, "Contrast: %d\n", state->contrast);
537 v4l2_info(sd, "Saturation: %d\n", state->saturation);
538 v4l2_info(sd, "Hue: %d\n", state->hue); return 0;
539 v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
540 state->audio_input == 1 ? "Mic" :
541 state->audio_input == 2 ? "Mic Boost" :
546 /* --------------------------------------------------------------------------*/
548 static const struct v4l2_subdev_core_ops s2250_core_ops = {
549 .log_status = s2250_log_status,
550 .g_ctrl = s2250_g_ctrl,
551 .s_ctrl = s2250_s_ctrl,
552 .queryctrl = s2250_queryctrl,
553 .s_std = s2250_s_std,
556 static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
557 .s_routing = s2250_s_audio_routing,
560 static const struct v4l2_subdev_video_ops s2250_video_ops = {
561 .s_routing = s2250_s_video_routing,
562 .s_mbus_fmt = s2250_s_mbus_fmt,
565 static const struct v4l2_subdev_ops s2250_ops = {
566 .core = &s2250_core_ops,
567 .audio = &s2250_audio_ops,
568 .video = &s2250_video_ops,
571 /* --------------------------------------------------------------------------*/
573 static int s2250_probe(struct i2c_client *client,
574 const struct i2c_device_id *id)
576 struct i2c_client *audio;
577 struct i2c_adapter *adapter = client->adapter;
579 struct v4l2_subdev *sd;
581 struct go7007 *go = i2c_get_adapdata(adapter);
582 struct go7007_usb *usb = go->hpi_context;
584 audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
588 state = kmalloc(sizeof(struct s2250), GFP_KERNEL);
590 i2c_unregister_device(audio);
595 v4l2_i2c_subdev_init(sd, client, &s2250_ops);
597 v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
598 "Sensoray 2250/2251", client->addr, client->adapter->name);
600 state->std = V4L2_STD_NTSC;
601 state->brightness = 50;
602 state->contrast = 50;
603 state->saturation = 50;
605 state->audio = audio;
607 /* initialize the audio */
608 if (write_regs(audio, aud_regs) < 0) {
610 "s2250: error initializing audio\n");
611 i2c_unregister_device(audio);
616 if (write_regs(client, vid_regs) < 0) {
618 "s2250: error initializing decoder\n");
619 i2c_unregister_device(audio);
623 if (write_regs_fp(client, vid_regs_fp) < 0) {
625 "s2250: error initializing decoder\n");
626 i2c_unregister_device(audio);
630 /* set default channel */
632 write_reg_fp(client, 0x20, 0x020 | 1);
633 write_reg_fp(client, 0x21, 0x662);
634 write_reg_fp(client, 0x140, 0x060);
636 /* set default audio input */
637 state->audio_input = 0;
638 write_reg(client, 0x08, 0x02); /* Line In */
640 if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
641 data = kzalloc(16, GFP_KERNEL);
644 rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
652 go7007_usb_vendor_request(go, 0x40, 0,
659 mutex_unlock(&usb->i2c_lock);
662 v4l2_info(sd, "initialized successfully\n");
666 static int s2250_remove(struct i2c_client *client)
668 struct v4l2_subdev *sd = i2c_get_clientdata(client);
670 v4l2_device_unregister_subdev(sd);
675 static const struct i2c_device_id s2250_id[] = {
679 MODULE_DEVICE_TABLE(i2c, s2250_id);
681 static struct i2c_driver s2250_driver = {
683 .owner = THIS_MODULE,
686 .probe = s2250_probe,
687 .remove = s2250_remove,
688 .id_table = s2250_id,
691 static __init int init_s2250(void)
693 return i2c_add_driver(&s2250_driver);
696 static __exit void exit_s2250(void)
698 i2c_del_driver(&s2250_driver);
701 module_init(init_s2250);
702 module_exit(exit_s2250);