blob: fb6845e37884da7202a79271943baeb4608c578f [file] [log] [blame]
/*
* Copyright (C) 2008 Sensoray Company Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include "go7007-priv.h"
#include "wis-i2c.h"
extern int s2250loader_init(void);
extern void s2250loader_cleanup(void);
#define TLV320_ADDRESS 0x34
#define S2250_VIDDEC 0x86
#define VPX322_ADDR_ANALOGCONTROL1 0x02
#define VPX322_ADDR_BRIGHTNESS0 0x0127
#define VPX322_ADDR_BRIGHTNESS1 0x0131
#define VPX322_ADDR_CONTRAST0 0x0128
#define VPX322_ADDR_CONTRAST1 0x0132
#define VPX322_ADDR_HUE 0x00dc
#define VPX322_ADDR_SAT 0x0030
struct go7007_usb_board {
unsigned int flags;
struct go7007_board_info main_info;
};
struct go7007_usb {
struct go7007_usb_board *board;
struct semaphore i2c_lock;
struct usb_device *usbdev;
struct urb *video_urbs[8];
struct urb *audio_urbs[8];
struct urb *intr_urb;
};
static unsigned char aud_regs[] = {
0x1e, 0x00,
0x00, 0x17,
0x02, 0x17,
0x04, 0xf9,
0x06, 0xf9,
0x08, 0x02,
0x0a, 0x00,
0x0c, 0x00,
0x0a, 0x00,
0x0c, 0x00,
0x0e, 0x02,
0x10, 0x00,
0x12, 0x01,
0x00, 0x00,
};
static unsigned char vid_regs[] = {
0xF2, 0x0f,
0xAA, 0x00,
0xF8, 0xff,
0x00, 0x00,
};
static u16 vid_regs_fp[] = {
0x028, 0x067,
0x120, 0x016,
0x121, 0xcF2,
0x122, 0x0F2,
0x123, 0x00c,
0x124, 0x2d0,
0x125, 0x2e0,
0x126, 0x004,
0x128, 0x1E0,
0x12A, 0x016,
0x12B, 0x0F2,
0x12C, 0x0F2,
0x12D, 0x00c,
0x12E, 0x2d0,
0x12F, 0x2e0,
0x130, 0x004,
0x132, 0x1E0,
0x140, 0x060,
0x153, 0x00C,
0x154, 0x200,
0x150, 0x801,
0x000, 0x000
};
/* PAL specific values */
static u16 vid_regs_fp_pal[] =
{
0x120, 0x017,
0x121, 0xd22,
0x122, 0x122,
0x12A, 0x017,
0x12B, 0x122,
0x12C, 0x122,
0x140, 0x060,
0x000, 0x000,
};
struct s2250 {
int std;
int input;
int brightness;
int contrast;
int saturation;
int hue;
int reg12b_val;
int audio_input;
};
/* from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
static int go7007_usb_vendor_request(struct go7007 *go, u16 request,
u16 value, u16 index, void *transfer_buffer, int length, int in)
{
struct go7007_usb *usb = go->hpi_context;
int timeout = 5000;
if (in) {
return usb_control_msg(usb->usbdev,
usb_rcvctrlpipe(usb->usbdev, 0), request,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
value, index, transfer_buffer, length, timeout);
} else {
return usb_control_msg(usb->usbdev,
usb_sndctrlpipe(usb->usbdev, 0), request,
USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, transfer_buffer, length, timeout);
}
}
/* end from go7007-usb.c which is Copyright (C) 2005-2006 Micronas USA Inc.*/
static int write_reg(struct i2c_client *client, u8 reg, u8 value)
{
struct go7007 *go = i2c_get_adapdata(client->adapter);
struct go7007_usb *usb = go->hpi_context;
int rc;
int dev_addr = client->addr;
u8 *buf;
if (go == NULL)
return -ENODEV;
if (go->status == STATUS_SHUTDOWN)
return -EBUSY;
buf = kzalloc(16, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
if (down_interruptible(&usb->i2c_lock) != 0) {
printk(KERN_INFO "i2c lock failed\n");
return -EINTR;
}
rc = go7007_usb_vendor_request(go, 0x55, dev_addr,
(reg<<8 | value),
buf,
16, 1);
up(&usb->i2c_lock);
kfree(buf);
return rc;
}
static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
{
struct go7007 *go = i2c_get_adapdata(client->adapter);
struct go7007_usb *usb = go->hpi_context;
u8 *buf;
struct s2250 *dec = i2c_get_clientdata(client);
if (go == NULL)
return -ENODEV;
if (go->status == STATUS_SHUTDOWN)
return -EBUSY;
buf = kzalloc(16, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
memset(buf, 0xcd, 6);
if (down_interruptible(&usb->i2c_lock) != 0) {
printk(KERN_INFO "i2c lock failed\n");
return -EINTR;
}
if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
return -EFAULT;
up(&usb->i2c_lock);
if (buf[0] == 0) {
unsigned int subaddr, val_read;
subaddr = (buf[4] << 8) + buf[5];
val_read = (buf[2] << 8) + buf[3];
if (val_read != val) {
printk(KERN_INFO "invalid fp write %x %x\n",
val_read, val);
return -EFAULT;
}
if (subaddr != addr) {
printk(KERN_INFO "invalid fp write addr %x %x\n",
subaddr, addr);
return -EFAULT;
}
} else
return -EFAULT;
/* save last 12b value */
if (addr == 0x12b)
dec->reg12b_val = val;
return 0;
}
static int write_regs(struct i2c_client *client, u8 *regs)
{
int i;
for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
if (write_reg(client, regs[i], regs[i+1]) < 0) {
printk(KERN_INFO "s2250: failed\n");
return -1;
}
}
return 0;
}
static int write_regs_fp(struct i2c_client *client, u16 *regs)
{
int i;
for (i = 0; !((regs[i] == 0x00) && (regs[i+1] == 0x00)); i += 2) {
if (write_reg_fp(client, regs[i], regs[i+1]) < 0) {
printk(KERN_INFO "s2250: failed fp\n");
return -1;
}
}
return 0;
}
static int s2250_command(struct i2c_client *client,
unsigned int cmd, void *arg)
{
struct s2250 *dec = i2c_get_clientdata(client);
switch (cmd) {
case VIDIOC_S_INPUT:
{
int vidsys;
int *input = arg;
vidsys = (dec->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
if (*input == 0) {
/* composite */
write_reg_fp(client, 0x20, 0x020 | vidsys);
write_reg_fp(client, 0x21, 0x662);
write_reg_fp(client, 0x140, 0x060);
} else {
/* S-Video */
write_reg_fp(client, 0x20, 0x040 | vidsys);
write_reg_fp(client, 0x21, 0x666);
write_reg_fp(client, 0x140, 0x060);
}
dec->input = *input;
break;
}
case VIDIOC_S_STD:
{
v4l2_std_id *std = arg;
u16 vidsource;
vidsource = (dec->input == 1) ? 0x040 : 0x020;
dec->std = *std;
switch (dec->std) {
case V4L2_STD_NTSC:
write_regs_fp(client, vid_regs_fp);
write_reg_fp(client, 0x20, vidsource | 1);
break;
case V4L2_STD_PAL:
write_regs_fp(client, vid_regs_fp);
write_regs_fp(client, vid_regs_fp_pal);
write_reg_fp(client, 0x20, vidsource);
break;
default:
return -EINVAL;
}
break;
}
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *ctrl = arg;
static const u32 user_ctrls[] = {
V4L2_CID_BRIGHTNESS,
V4L2_CID_CONTRAST,
V4L2_CID_SATURATION,
V4L2_CID_HUE,
0
};
static const u32 *ctrl_classes[] = {
user_ctrls,
NULL
};
ctrl->id = v4l2_ctrl_next(ctrl_classes, ctrl->id);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
break;
case V4L2_CID_CONTRAST:
v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
break;
case V4L2_CID_SATURATION:
v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
break;
case V4L2_CID_HUE:
v4l2_ctrl_query_fill(ctrl, -50, 50, 1, 0);
break;
default:
ctrl->name[0] = '\0';
return -EINVAL;
}
break;
}
case VIDIOC_S_CTRL:
{
struct v4l2_control *ctrl = arg;
int value1;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
printk(KERN_INFO "s2250: future setting\n");
return -EINVAL;
case V4L2_CID_CONTRAST:
printk(KERN_INFO "s2250: future setting\n");
return -EINVAL;
break;
case V4L2_CID_SATURATION:
if (ctrl->value > 127)
dec->saturation = 127;
else if (ctrl->value < 0)
dec->saturation = 0;
else
dec->saturation = ctrl->value;
value1 = dec->saturation * 4140 / 100;
if (value1 > 4094)
value1 = 4094;
write_reg_fp(client, VPX322_ADDR_SAT, value1);
break;
case V4L2_CID_HUE:
if (ctrl->value > 50)
dec->hue = 50;
else if (ctrl->value < -50)
dec->hue = -50;
else
dec->hue = ctrl->value;
/* clamp the hue range */
value1 = dec->hue * 280 / 50;
write_reg_fp(client, VPX322_ADDR_HUE, value1);
break;
}
break;
}
case VIDIOC_G_CTRL:
{
struct v4l2_control *ctrl = arg;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = dec->brightness;
break;
case V4L2_CID_CONTRAST:
ctrl->value = dec->contrast;
break;
case V4L2_CID_SATURATION:
ctrl->value = dec->saturation;
break;
case V4L2_CID_HUE:
ctrl->value = dec->hue;
break;
}
break;
}
case VIDIOC_S_FMT:
{
struct v4l2_format *fmt = arg;
if (fmt->fmt.pix.height < 640) {
write_reg_fp(client, 0x12b, dec->reg12b_val | 0x400);
write_reg_fp(client, 0x140, 0x060);
} else {
write_reg_fp(client, 0x12b, dec->reg12b_val & ~0x400);
write_reg_fp(client, 0x140, 0x060);
}
return 0;
}
case VIDIOC_G_AUDIO:
{
struct v4l2_audio *audio = arg;
memset(audio, 0, sizeof(*audio));
audio->index = dec->audio_input;
/* fall through */
}
case VIDIOC_ENUMAUDIO:
{
struct v4l2_audio *audio = arg;
switch (audio->index) {
case 0:
strcpy(audio->name, "Line In");
break;
case 1:
strcpy(audio->name, "Mic");
break;
case 2:
strcpy(audio->name, "Mic Boost");
break;
default:
audio->name[0] = '\0';
return 0;
}
audio->capability = V4L2_AUDCAP_STEREO;
audio->mode = 0;
return 0;
}
case VIDIOC_S_AUDIO:
{
struct v4l2_audio *audio = arg;
client->addr = TLV320_ADDRESS;
switch (audio->index) {
case 0:
write_reg(client, 0x08, 0x02); /* Line In */
break;
case 1:
write_reg(client, 0x08, 0x04); /* Mic */
break;
case 2:
write_reg(client, 0x08, 0x05); /* Mic Boost */
break;
default:
return -EINVAL;
}
dec->audio_input = audio->index;
return 0;
}
default:
printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
break;
}
return 0;
}
static struct i2c_driver s2250_driver;
static struct i2c_client s2250_client_templ = {
.name = "Sensoray 2250",
.driver = &s2250_driver,
};
static int s2250_detect(struct i2c_adapter *adapter, int addr, int kind)
{
struct i2c_client *client;
struct s2250 *dec;
u8 *data;
struct go7007 *go = i2c_get_adapdata(adapter);
struct go7007_usb *usb = go->hpi_context;
client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (client == NULL)
return -ENOMEM;
memcpy(client, &s2250_client_templ,
sizeof(s2250_client_templ));
client->adapter = adapter;
dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
if (dec == NULL) {
kfree(client);
return -ENOMEM;
}
dec->std = V4L2_STD_NTSC;
dec->brightness = 50;
dec->contrast = 50;
dec->saturation = 50;
dec->hue = 0;
client->addr = TLV320_ADDRESS;
i2c_set_clientdata(client, dec);
printk(KERN_DEBUG
"s2250: initializing video decoder on %s\n",
adapter->name);
/* initialize the audio */
client->addr = TLV320_ADDRESS;
if (write_regs(client, aud_regs) < 0) {
printk(KERN_ERR
"s2250: error initializing audio\n");
kfree(client);
kfree(dec);
return 0;
}
client->addr = S2250_VIDDEC;
i2c_set_clientdata(client, dec);
if (write_regs(client, vid_regs) < 0) {
printk(KERN_ERR
"s2250: error initializing decoder\n");
kfree(client);
kfree(dec);
return 0;
}
if (write_regs_fp(client, vid_regs_fp) < 0) {
printk(KERN_ERR
"s2250: error initializing decoder\n");
kfree(client);
kfree(dec);
return 0;
}
/* set default channel */
/* composite */
write_reg_fp(client, 0x20, 0x020 | 1);
write_reg_fp(client, 0x21, 0x662);
write_reg_fp(client, 0x140, 0x060);
/* set default audio input */
dec->audio_input = 0;
write_reg(client, 0x08, 0x02); /* Line In */
if (down_interruptible(&usb->i2c_lock) == 0) {
data = kzalloc(16, GFP_KERNEL);
if (data != NULL) {
int rc;
rc = go7007_usb_vendor_request(go, 0x41, 0, 0,
data, 16, 1);
if (rc > 0) {
u8 mask;
data[0] = 0;
mask = 1<<5;
data[0] &= ~mask;
data[1] |= mask;
go7007_usb_vendor_request(go, 0x40, 0,
(data[1]<<8)
+ data[1],
data, 16, 0);
}
kfree(data);
}
up(&usb->i2c_lock);
}
i2c_attach_client(client);
printk("s2250: initialized successfully\n");
return 0;
}
static int s2250_detach(struct i2c_client *client)
{
struct s2250 *dec = i2c_get_clientdata(client);
int r;
r = i2c_detach_client(client);
if (r < 0)
return r;
kfree(client);
kfree(dec);
return 0;
}
static struct i2c_driver s2250_driver = {
.driver = {
.name = "Sensoray 2250 board driver",
},
.id = I2C_DRIVERID_S2250,
.detach_client = s2250_detach,
.command = s2250_command,
};
static int __init s2250_init(void)
{
int r;
r = s2250loader_init();
if (r < 0)
return r;
r = i2c_add_driver(&s2250_driver);
if (r < 0)
return r;
return wis_i2c_add_driver(s2250_driver.id, s2250_detect);
}
static void __exit s2250_cleanup(void)
{
wis_i2c_del_driver(s2250_detect);
i2c_del_driver(&s2250_driver);
s2250loader_cleanup();
}
module_init(s2250_init);
module_exit(s2250_cleanup);
MODULE_AUTHOR("");
MODULE_DESCRIPTION("Board driver for Sensoryray 2250");
MODULE_LICENSE("GPL v2");