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raspberrypi-kernel
提交 05d76f2d 编写于 作者: P Pete Eberlein 提交者： Mauro Carvalho Chehab
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V4L/DVB (13457): s2250: subdev conversion 

Convert the s2250 i2c driver to use v4l2 subdev interface.
Signed-off-by: NPete Eberlein <pete@sensoray.com>
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 832b6a89
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drivers/staging/go7007/s2250-board.c
浏览文件 @ 05d76f2d
......@@ -23,6 +23,7 @@
#include <media/v4l2-device.h>
#include <media/v4l2-common.h>
#include <media/v4l2-i2c-drv.h>
#include <media/v4l2-subdev.h>
#include "go7007-priv.h"
MODULE_DESCRIPTION("Sensoray 2250/2251 i2c v4l2 subdev driver");
......@@ -115,6 +116,7 @@ static u16 vid_regs_fp_pal[] =
};
struct s2250 {
struct v4l2_subdev sd;
v4l2_std_id std;
int input;
int brightness;
......@@ -126,6 +128,11 @@ struct s2250 {
struct i2c_client *audio;
};
static inline struct s2250 *to_state(struct v4l2_subdev *sd)
{
return container_of(sd, struct s2250, sd);
}
/* 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)
......@@ -309,40 +316,41 @@ static int write_regs_fp(struct i2c_client *client, u16 *regs)
}
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:
{
static int s2250_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output,
u32 config)
{
struct s2250 *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
int vidsys;
int *input = arg;
vidsys = (dec->std == V4L2_STD_NTSC) ? 0x01 : 0x00;
if (*input == 0) {
vidsys = (state->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 {
} else if (input == 1) {
/* S-Video */
write_reg_fp(client, 0x20, 0x040 | vidsys);
write_reg_fp(client, 0x21, 0x666);
write_reg_fp(client, 0x140, 0x060);
} else {
return -EINVAL;
}
dec->input = *input;
break;
}
case VIDIOC_S_STD:
{
v4l2_std_id *std = arg;
state->input = input;
return 0;
}
static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
{
struct s2250 *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
u16 vidsource;
vidsource = (dec->input == 1) ? 0x040 : 0x020;
dec->std = *std;
switch (dec->std) {
vidsource = (state->input == 1) ? 0x040 : 0x020;
switch (norm) {
case V4L2_STD_NTSC:
write_regs_fp(client, vid_regs_fp);
write_reg_fp(client, 0x20, vidsource | 1);
......@@ -355,58 +363,43 @@ static int s2250_command(struct i2c_client *client,
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) {
state->std = norm;
return 0;
}
static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query)
{
switch (query->id) {
case V4L2_CID_BRIGHTNESS:
v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
break;
return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
case V4L2_CID_CONTRAST:
v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
break;
return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
case V4L2_CID_SATURATION:
v4l2_ctrl_query_fill(ctrl, 0, 100, 1, 50);
break;
return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
case V4L2_CID_HUE:
v4l2_ctrl_query_fill(ctrl, -50, 50, 1, 0);
break;
return v4l2_ctrl_query_fill(query, -50, 50, 1, 0);
default:
ctrl->name[0] = '\0';
return -EINVAL;
}
break;
}
case VIDIOC_S_CTRL:
{
struct v4l2_control *ctrl = arg;
return 0;
}
static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct s2250 *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
int value1;
u16 oldvalue;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value > 100)
dec->brightness = 100;
state->brightness = 100;
else if (ctrl->value < 0)
dec->brightness = 0;
state->brightness = 0;
else
dec->brightness = ctrl->value;
value1 = (dec->brightness - 50) * 255 / 100;
state->brightness = ctrl->value;
value1 = (state->brightness - 50) * 255 / 100;
read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
value1 | (oldvalue & ~0xff));
......@@ -417,12 +410,12 @@ static int s2250_command(struct i2c_client *client,
break;
case V4L2_CID_CONTRAST:
if (ctrl->value > 100)
dec->contrast = 100;
state->contrast = 100;
else if (ctrl->value < 0)
dec->contrast = 0;
state->contrast = 0;
else
dec->contrast = ctrl->value;
value1 = dec->contrast * 0x40 / 100;
state->contrast = ctrl->value;
value1 = state->contrast * 0x40 / 100;
if (value1 > 0x3f)
value1 = 0x3f; /* max */
read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
......@@ -434,128 +427,151 @@ static int s2250_command(struct i2c_client *client,
write_reg_fp(client, 0x140, 0x60);
break;
case V4L2_CID_SATURATION:
if (ctrl->value > 127)
dec->saturation = 127;
if (ctrl->value > 100)
state->saturation = 100;
else if (ctrl->value < 0)
dec->saturation = 0;
state->saturation = 0;
else
dec->saturation = ctrl->value;
value1 = dec->saturation * 4140 / 100;
state->saturation = ctrl->value;
value1 = state->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;
state->hue = 50;
else if (ctrl->value < -50)
dec->hue = -50;
state->hue = -50;
else
dec->hue = ctrl->value;
state->hue = ctrl->value;
/* clamp the hue range */
value1 = dec->hue * 280 / 50;
value1 = state->hue * 280 / 50;
write_reg_fp(client, VPX322_ADDR_HUE, value1);
break;
default:
return -EINVAL;
}
break;
}
case VIDIOC_G_CTRL:
{
struct v4l2_control *ctrl = arg;
return 0;
}
static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct s2250 *state = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = dec->brightness;
ctrl->value = state->brightness;
break;
case V4L2_CID_CONTRAST:
ctrl->value = dec->contrast;
ctrl->value = state->contrast;
break;
case V4L2_CID_SATURATION:
ctrl->value = dec->saturation;
ctrl->value = state->saturation;
break;
case V4L2_CID_HUE:
ctrl->value = dec->hue;
break;
}
ctrl->value = state->hue;
break;
default:
return -EINVAL;
}
case VIDIOC_S_FMT:
{
struct v4l2_format *fmt = arg;
return 0;
}
static int s2250_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
struct s2250 *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (fmt->fmt.pix.height < 640) {
write_reg_fp(client, 0x12b, dec->reg12b_val | 0x400);
write_reg_fp(client, 0x12b, state->reg12b_val | 0x400);
write_reg_fp(client, 0x140, 0x060);
} else {
write_reg_fp(client, 0x12b, dec->reg12b_val & ~0x400);
write_reg_fp(client, 0x12b, state->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;
static int s2250_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output,
u32 config)
{
struct s2250 *state = to_state(sd);
switch (audio->index) {
switch (input) {
case 0:
write_reg(dec->audio, 0x08, 0x02); /* Line In */
write_reg(state->audio, 0x08, 0x02); /* Line In */
break;
case 1:
write_reg(dec->audio, 0x08, 0x04); /* Mic */
write_reg(state->audio, 0x08, 0x04); /* Mic */
break;
case 2:
write_reg(dec->audio, 0x08, 0x05); /* Mic Boost */
write_reg(state->audio, 0x08, 0x05); /* Mic Boost */
break;
default:
return -EINVAL;
}
dec->audio_input = audio->index;
state->audio_input = input;
return 0;
}
}
default:
printk(KERN_INFO "s2250: unknown command 0x%x\n", cmd);
break;
}
static int s2250_log_status(struct v4l2_subdev *sd)
{
struct s2250 *state = to_state(sd);
v4l2_info(sd, "Standard: %s\n", state->std == V4L2_STD_NTSC ? "NTSC" :
state->std == V4L2_STD_PAL ? "PAL" :
state->std == V4L2_STD_SECAM ? "SECAM" :
"unknown");
v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
state->input == 1 ? "S-video" :
"error");
v4l2_info(sd, "Brightness: %d\n", state->brightness);
v4l2_info(sd, "Contrast: %d\n", state->contrast);
v4l2_info(sd, "Saturation: %d\n", state->saturation);
v4l2_info(sd, "Hue: %d\n", state->hue); return 0;
v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
state->audio_input == 1 ? "Mic" :
state->audio_input == 2 ? "Mic Boost" :
"error");
return 0;
}
/* --------------------------------------------------------------------------*/
static const struct v4l2_subdev_core_ops s2250_core_ops = {
.log_status = s2250_log_status,
.g_ctrl = s2250_g_ctrl,
.s_ctrl = s2250_s_ctrl,
.queryctrl = s2250_queryctrl,
.s_std = s2250_s_std,
};
static const struct v4l2_subdev_audio_ops s2250_audio_ops = {
.s_routing = s2250_s_audio_routing,
};
static const struct v4l2_subdev_video_ops s2250_video_ops = {
.s_routing = s2250_s_video_routing,
.s_fmt = s2250_s_fmt,
};
static const struct v4l2_subdev_ops s2250_ops = {
.core = &s2250_core_ops,
.audio = &s2250_audio_ops,
.video = &s2250_video_ops,
};
/* --------------------------------------------------------------------------*/
static int s2250_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_client *audio;
struct i2c_adapter *adapter = client->adapter;
struct s2250 *dec;
struct s2250 *state;
struct v4l2_subdev *sd;
u8 *data;
struct go7007 *go = i2c_get_adapdata(adapter);
struct go7007_usb *usb = go->hpi_context;
......@@ -564,30 +580,31 @@ static int s2250_probe(struct i2c_client *client,
if (audio == NULL)
return -ENOMEM;
dec = kmalloc(sizeof(struct s2250), GFP_KERNEL);
if (dec == NULL) {
state = kmalloc(sizeof(struct s2250), GFP_KERNEL);
if (state == NULL) {
i2c_unregister_device(audio);
return -ENOMEM;
}
dec->std = V4L2_STD_NTSC;
dec->brightness = 50;
dec->contrast = 50;
dec->saturation = 50;
dec->hue = 0;
dec->audio = audio;
i2c_set_clientdata(client, dec);
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &s2250_ops);
printk(KERN_INFO
"s2250: initializing video decoder on %s\n",
adapter->name);
v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
"Sensoray 2250/2251", client->addr, client->adapter->name);
state->std = V4L2_STD_NTSC;
state->brightness = 50;
state->contrast = 50;
state->saturation = 50;
state->hue = 0;
state->audio = audio;
/* initialize the audio */
if (write_regs(audio, aud_regs) < 0) {
printk(KERN_ERR
"s2250: error initializing audio\n");
i2c_unregister_device(audio);
kfree(dec);
kfree(state);
return 0;
}
......@@ -595,14 +612,14 @@ static int s2250_probe(struct i2c_client *client,
printk(KERN_ERR
"s2250: error initializing decoder\n");
i2c_unregister_device(audio);
kfree(dec);
kfree(state);
return 0;
}
if (write_regs_fp(client, vid_regs_fp) < 0) {
printk(KERN_ERR
"s2250: error initializing decoder\n");
i2c_unregister_device(audio);
kfree(dec);
kfree(state);
return 0;
}
/* set default channel */
......@@ -612,7 +629,7 @@ static int s2250_probe(struct i2c_client *client,
write_reg_fp(client, 0x140, 0x060);
/* set default audio input */
dec->audio_input = 0;
state->audio_input = 0;
write_reg(client, 0x08, 0x02); /* Line In */
if (mutex_lock_interruptible(&usb->i2c_lock) == 0) {
......@@ -637,17 +654,16 @@ static int s2250_probe(struct i2c_client *client,
mutex_unlock(&usb->i2c_lock);
}
printk("s2250: initialized successfully\n");
v4l2_info(sd, "initialized successfully\n");
return 0;
}
static int s2250_remove(struct i2c_client *client)
{
struct s2250 *dec = i2c_get_clientdata(client);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
i2c_set_clientdata(client, NULL);
i2c_unregister_device(dec->audio);
kfree(dec);
v4l2_device_unregister_subdev(sd);
kfree(to_state(sd));
return 0;
}
......@@ -661,6 +677,5 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "s2250",
.probe = s2250_probe,
.remove = s2250_remove,
.command = s2250_command,
.id_table = s2250_id,
};
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