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-i2c-drv.h>
27 #include <media/v4l2-subdev.h>
28 #include "go7007-priv.h"
30 MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
31 MODULE_LICENSE("GPL v2");
33 #define TLV320_ADDRESS 0x34
34 #define VPX322_ADDR_ANALOGCONTROL1 0x02
35 #define VPX322_ADDR_BRIGHTNESS0 0x0127
36 #define VPX322_ADDR_BRIGHTNESS1 0x0131
37 #define VPX322_ADDR_CONTRAST0 0x0128
38 #define VPX322_ADDR_CONTRAST1 0x0132
39 #define VPX322_ADDR_HUE 0x00dc
40 #define VPX322_ADDR_SAT 0x0030
42 struct go7007_usb_board {
44 struct go7007_board_info main_info;
48 struct go7007_usb_board *board;
49 struct mutex i2c_lock;
50 struct usb_device *usbdev;
51 struct urb *video_urbs[8];
52 struct urb *audio_urbs[8];
56 static unsigned char aud_regs[] = {
74 static unsigned char vid_regs[] = {
81 static u16 vid_regs_fp[] = {
106 /* PAL specific values */
107 static u16 vid_regs_fp_pal[] =
120 struct v4l2_subdev sd;
129 struct i2c_client *audio;
132 static inline struct s2250 *to_state(struct v4l2_subdev *sd)
134 return container_of(sd, struct s2250, sd);
137 /* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
138 static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
139 u16 value, u16 index, void *transfer_buffer, int length, int in)
141 struct go7007_usb *usb = go->hpi_context;
145 return usb_control_msg(usb->usbdev,
146 usb_rcvctrlpipe(usb->usbdev, 0), request,
147 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
148 value, index, transfer_buffer, length, timeout);
150 return usb_control_msg(usb->usbdev,
151 usb_sndctrlpipe(usb->usbdev, 0), request,
152 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
153 value, index, transfer_buffer, length, timeout);
156 /* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
158 static int write_reg(struct i2c_client *client, u8 reg, u8 value)
160 struct go7007 *go = i2c_get_adapdata(client->adapter);
161 struct go7007_usb *usb;
163 int dev_addr = client->addr << 1; /* firmware wants 8-bit address */
169 if (go->status == STATUS_SHUTDOWN)
172 buf = kzalloc(16, GFP_KERNEL);
176 usb = go->hpi_context;
177 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
178 printk(KERN_INFO "i2c lock failed\n");
182 rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
187 mutex_unlock(&usb->i2c_lock);
192 static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
194 struct go7007 *go = i2c_get_adapdata(client->adapter);
195 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 if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0) {
225 mutex_unlock(&usb->i2c_lock);
227 unsigned int subaddr, val_read;
229 subaddr = (buf[4] << 8) + buf[5];
230 val_read = (buf[2] << 8) + buf[3];
232 if (val_read != val) {
233 printk(KERN_INFO "invalid fp write %x %x\n",
237 if (subaddr != addr) {
238 printk(KERN_INFO "invalid fp write addr %x %x\n",
247 /* save last 12b value */
249 dec->reg12b_val = val;
254 static int read_reg_fp(struct i2c_client *client, u16 addr, u16 *val)
256 struct go7007 *go = i2c_get_adapdata(client->adapter);
257 struct go7007_usb *usb;
263 if (go->status == STATUS_SHUTDOWN)
266 buf = kzalloc(16, GFP_KERNEL);
273 memset(buf, 0xcd, 6);
274 usb = go->hpi_context;
275 if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
276 printk(KERN_INFO "i2c lock failed\n");
280 if (go7007_usb_vendor_request(go, 0x58, addr, 0, buf, 16, 1) < 0) {
284 mutex_unlock(&usb->i2c_lock);
286 *val = (buf[0] << 8) | buf[1];
293 static int write_regs(struct i2c_client *client, u8 *regs)
297 for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
298 if (write_reg(client, regs[i], regs[i+1]) < 0) {
299 printk(KERN_INFO "s2250: failed\n");
306 static int write_regs_fp(struct i2c_client *client, u16 *regs)
310 for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
311 if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
312 printk(KERN_INFO "s2250: failed fp\n");
320 /* ------------------------------------------------------------------------- */
322 static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
325 struct s2250 *state = to_state(sd);
326 struct i2c_client *client = v4l2_get_subdevdata(sd);
329 vidsys = (state->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
332 write_reg_fp(client, 0x20, 0x020 | vidsys);
333 write_reg_fp(client, 0x21, 0x662);
334 write_reg_fp(client, 0x140, 0x060);
335 } else if (input == 1) {
337 write_reg_fp(client, 0x20, 0x040 | vidsys);
338 write_reg_fp(client, 0x21, 0x666);
339 write_reg_fp(client, 0x140, 0x060);
343 state->input = input;
347 static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
349 struct s2250 *state = to_state(sd);
350 struct i2c_client *client = v4l2_get_subdevdata(sd);
353 vidsource = (state->input == 1) ? 0x040 : 0x020;
356 write_regs_fp(client, vid_regs_fp);
357 write_reg_fp(client, 0x20, vidsource | 1);
360 write_regs_fp(client, vid_regs_fp);
361 write_regs_fp(client, vid_regs_fp_pal);
362 write_reg_fp(client, 0x20, vidsource);
371 static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query)
374 case V4L2_CID_BRIGHTNESS:
375 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
376 case V4L2_CID_CONTRAST:
377 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
378 case V4L2_CID_SATURATION:
379 return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
381 return v4l2_ctrl_query_fill(query, -50, 50, 1, 0);
388 static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
390 struct s2250 *state = to_state(sd);
391 struct i2c_client *client = v4l2_get_subdevdata(sd);
396 case V4L2_CID_BRIGHTNESS:
397 if (ctrl->value > 100)
398 state->brightness = 100;
399 else if (ctrl->value < 0)
400 state->brightness = 0;
402 state->brightness = ctrl->value;
403 value1 = (state->brightness - 50) * 255 / 100;
404 read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
405 write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
406 value1 | (oldvalue & ~0xff));
407 read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
408 write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
409 value1 | (oldvalue & ~0xff));
410 write_reg_fp(client, 0x140, 0x60);
412 case V4L2_CID_CONTRAST:
413 if (ctrl->value > 100)
414 state->contrast = 100;
415 else if (ctrl->value < 0)
418 state->contrast = ctrl->value;
419 value1 = state->contrast * 0x40 / 100;
421 value1 = 0x3f; /* max */
422 read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
423 write_reg_fp(client, VPX322_ADDR_CONTRAST0,
424 value1 | (oldvalue & ~0x3f));
425 read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
426 write_reg_fp(client, VPX322_ADDR_CONTRAST1,
427 value1 | (oldvalue & ~0x3f));
428 write_reg_fp(client, 0x140, 0x60);
430 case V4L2_CID_SATURATION:
431 if (ctrl->value > 100)
432 state->saturation = 100;
433 else if (ctrl->value < 0)
434 state->saturation = 0;
436 state->saturation = ctrl->value;
437 value1 = state->saturation * 4140 / 100;
440 write_reg_fp(client, VPX322_ADDR_SAT, value1);
443 if (ctrl->value > 50)
445 else if (ctrl->value < -50)
448 state->hue = ctrl->value;
449 /* clamp the hue range */
450 value1 = state->hue * 280 / 50;
451 write_reg_fp(client, VPX322_ADDR_HUE, value1);
459 static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
461 struct s2250 *state = to_state(sd);
464 case V4L2_CID_BRIGHTNESS:
465 ctrl->value = state->brightness;
467 case V4L2_CID_CONTRAST:
468 ctrl->value = state->contrast;
470 case V4L2_CID_SATURATION:
471 ctrl->value = state->saturation;
474 ctrl->value = state->hue;
482 static int s2250_s_mbus_fmt(struct v4l2_subdev *sd,
483 struct v4l2_mbus_framefmt *fmt)
485 struct s2250 *state = to_state(sd);
486 struct i2c_client *client = v4l2_get_subdevdata(sd);
488 if (fmt->height < 640) {
489 write_reg_fp(client, 0x12b, state->reg12b_val | 0x400);
490 write_reg_fp(client, 0x140, 0x060);
492 write_reg_fp(client, 0x12b, state->reg12b_val & ~0x400);
493 write_reg_fp(client, 0x140, 0x060);
498 static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
501 struct s2250 *state = to_state(sd);
505 write_reg(state->audio, 0x08, 0x02); /* Line In */
508 write_reg(state->audio, 0x08, 0x04); /* Mic */
511 write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
516 state->audio_input = input;
521 static int s2250_log_status(struct v4l2_subdev *sd)
523 struct s2250 *state = to_state(sd);
525 v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
526 state->std == V4L2_STD_PAL ? "PAL" :
527 state->std == V4L2_STD_SECAM ? "SECAM" :
529 v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
530 state->input == 1 ? "S-video" :
532 v4l2_info(sd, "Brightness: %d\n", state->brightness);
533 v4l2_info(sd, "Contrast: %d\n", state->contrast);
534 v4l2_info(sd, "Saturation: %d\n", state->saturation);
535 v4l2_info(sd, "Hue: %d\n", state->hue); return 0;
536 v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
537 state->audio_input == 1 ? "Mic" :
538 state->audio_input == 2 ? "Mic Boost" :
543 /* --------------------------------------------------------------------------*/
545 static const struct v4l2_subdev_core_ops s2250_core_ops = {
546 .log_status = s2250_log_status,
547 .g_ctrl = s2250_g_ctrl,
548 .s_ctrl = s2250_s_ctrl,
549 .queryctrl = s2250_queryctrl,
550 .s_std = s2250_s_std,
553 static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
554 .s_routing = s2250_s_audio_routing,
557 static const struct v4l2_subdev_video_ops s2250_video_ops = {
558 .s_routing = s2250_s_video_routing,
559 .s_mbus_fmt = s2250_s_mbus_fmt,
562 static const struct v4l2_subdev_ops s2250_ops = {
563 .core = &s2250_core_ops,
564 .audio = &s2250_audio_ops,
565 .video = &s2250_video_ops,
568 /* --------------------------------------------------------------------------*/
570 static int s2250_probe(struct i2c_client *client,
571 const struct i2c_device_id *id)
573 struct i2c_client *audio;
574 struct i2c_adapter *adapter = client->adapter;
576 struct v4l2_subdev *sd;
578 struct go7007 *go = i2c_get_adapdata(adapter);
579 struct go7007_usb *usb = go->hpi_context;
581 audio = i2c_new_dummy(adapter, TLV320_ADDRESS >> 1);
585 state = kmalloc(sizeof(struct s2250), GFP_KERNEL);
587 i2c_unregister_device(audio);
592 v4l2_i2c_subdev_init(sd, client, &s2250_ops);
594 v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
595 "Sensoray 2250/2251", client->addr, client->adapter->name);
597 state->std = V4L2_STD_NTSC;
598 state->brightness = 50;
599 state->contrast = 50;
600 state->saturation = 50;
602 state->audio = audio;
604 /* initialize the audio */
605 if (write_regs(audio, aud_regs) < 0) {
607 "s2250: error initializing audio\n");
608 i2c_unregister_device(audio);
613 if (write_regs(client, vid_regs) < 0) {
615 "s2250: error initializing decoder\n");
616 i2c_unregister_device(audio);
620 if (write_regs_fp(client, vid_regs_fp) < 0) {
622 "s2250: error initializing decoder\n");
623 i2c_unregister_device(audio);
627 /* set default channel */
629 write_reg_fp(client, 0x20, 0x020 | 1);
630 write_reg_fp(client, 0x21, 0x662);
631 write_reg_fp(client, 0x140, 0x060);
633 /* set default audio input */
634 state->audio_input = 0;
635 write_reg(client, 0x08, 0x02); /* Line In */
637 if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
638 data = kzalloc(16, GFP_KERNEL);
641 rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
649 go7007_usb_vendor_request(go, 0x40, 0,
656 mutex_unlock(&usb->i2c_lock);
659 v4l2_info(sd, "initialized successfully\n");
663 static int s2250_remove(struct i2c_client *client)
665 struct v4l2_subdev *sd = i2c_get_clientdata(client);
667 v4l2_device_unregister_subdev(sd);
672 static const struct i2c_device_id s2250_id[] = {
676 MODULE_DEVICE_TABLE(i2c, s2250_id);
678 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
680 .probe = s2250_probe,
681 .remove = s2250_remove,
682 .id_table = s2250_id,