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authorHans Verkuil <hverkuil@xs4all.nl>2009-02-27 09:05:10 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:43:10 -0300
commitcf4e9484f402c799fa25c9ffb7e9a3b620a3702d (patch)
tree5f7839009c8a66f4c1b5eaaf2c3c7365b515564d /drivers/media/video/indycam.c
parentbabb7dc7776dd6ded4e1e6cb7acc34c25c0eb521 (diff)
V4L/DVB (10861): vino/indycam/saa7191: convert to i2c modules to V4L2.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/indycam.c')
-rw-r--r--drivers/media/video/indycam.c234
1 files changed, 76 insertions, 158 deletions
diff --git a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c
index 84b9e4f2b3b3..54099e303c8d 100644
--- a/drivers/media/video/indycam.c
+++ b/drivers/media/video/indycam.c
@@ -19,10 +19,11 @@
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/videodev.h>
/* IndyCam decodes stream of photons into digital image representation ;-) */
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
#include <linux/i2c.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
#include "indycam.h"
@@ -33,6 +34,10 @@ MODULE_VERSION(INDYCAM_MODULE_VERSION);
MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>");
MODULE_LICENSE("GPL");
+static unsigned short normal_i2c[] = { 0x56 >> 1, I2C_CLIENT_END };
+
+I2C_CLIENT_INSMOD;
+
// #define INDYCAM_DEBUG
#ifdef INDYCAM_DEBUG
@@ -48,8 +53,6 @@ struct indycam {
u8 version;
};
-static struct i2c_driver i2c_driver_indycam;
-
static const u8 initseq[] = {
INDYCAM_CONTROL_AGCENA, /* INDYCAM_CONTROL */
INDYCAM_SHUTTER_60, /* INDYCAM_SHUTTER */
@@ -138,44 +141,44 @@ static void indycam_regdump_debug(struct i2c_client *client)
#endif
static int indycam_get_control(struct i2c_client *client,
- struct indycam_control *ctrl)
+ struct v4l2_control *ctrl)
{
struct indycam *camera = i2c_get_clientdata(client);
u8 reg;
int ret = 0;
- switch (ctrl->type) {
- case INDYCAM_CONTROL_AGC:
- case INDYCAM_CONTROL_AWB:
+ switch (ctrl->id) {
+ case V4L2_CID_AUTOGAIN:
+ case V4L2_CID_AUTO_WHITE_BALANCE:
ret = indycam_read_reg(client, INDYCAM_REG_CONTROL, &reg);
if (ret)
return -EIO;
- if (ctrl->type == INDYCAM_CONTROL_AGC)
+ if (ctrl->id == V4L2_CID_AUTOGAIN)
ctrl->value = (reg & INDYCAM_CONTROL_AGCENA)
? 1 : 0;
else
ctrl->value = (reg & INDYCAM_CONTROL_AWBCTL)
? 1 : 0;
break;
- case INDYCAM_CONTROL_SHUTTER:
+ case V4L2_CID_EXPOSURE:
ret = indycam_read_reg(client, INDYCAM_REG_SHUTTER, &reg);
if (ret)
return -EIO;
ctrl->value = ((s32)reg == 0x00) ? 0xff : ((s32)reg - 1);
break;
- case INDYCAM_CONTROL_GAIN:
+ case V4L2_CID_GAIN:
ret = indycam_read_reg(client, INDYCAM_REG_GAIN, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
- case INDYCAM_CONTROL_RED_BALANCE:
+ case V4L2_CID_RED_BALANCE:
ret = indycam_read_reg(client, INDYCAM_REG_RED_BALANCE, &reg);
if (ret)
return -EIO;
ctrl->value = (s32)reg;
break;
- case INDYCAM_CONTROL_BLUE_BALANCE:
+ case V4L2_CID_BLUE_BALANCE:
ret = indycam_read_reg(client, INDYCAM_REG_BLUE_BALANCE, &reg);
if (ret)
return -EIO;
@@ -195,7 +198,7 @@ static int indycam_get_control(struct i2c_client *client,
return -EIO;
ctrl->value = (s32)reg;
break;
- case INDYCAM_CONTROL_GAMMA:
+ case V4L2_CID_GAMMA:
if (camera->version == CAMERA_VERSION_MOOSE) {
ret = indycam_read_reg(client,
INDYCAM_REG_GAMMA, &reg);
@@ -214,20 +217,20 @@ static int indycam_get_control(struct i2c_client *client,
}
static int indycam_set_control(struct i2c_client *client,
- struct indycam_control *ctrl)
+ struct v4l2_control *ctrl)
{
struct indycam *camera = i2c_get_clientdata(client);
u8 reg;
int ret = 0;
- switch (ctrl->type) {
- case INDYCAM_CONTROL_AGC:
- case INDYCAM_CONTROL_AWB:
+ switch (ctrl->id) {
+ case V4L2_CID_AUTOGAIN:
+ case V4L2_CID_AUTO_WHITE_BALANCE:
ret = indycam_read_reg(client, INDYCAM_REG_CONTROL, &reg);
if (ret)
break;
- if (ctrl->type == INDYCAM_CONTROL_AGC) {
+ if (ctrl->id == V4L2_CID_AUTOGAIN) {
if (ctrl->value)
reg |= INDYCAM_CONTROL_AGCENA;
else
@@ -241,18 +244,18 @@ static int indycam_set_control(struct i2c_client *client,
ret = indycam_write_reg(client, INDYCAM_REG_CONTROL, reg);
break;
- case INDYCAM_CONTROL_SHUTTER:
+ case V4L2_CID_EXPOSURE:
reg = (ctrl->value == 0xff) ? 0x00 : (ctrl->value + 1);
ret = indycam_write_reg(client, INDYCAM_REG_SHUTTER, reg);
break;
- case INDYCAM_CONTROL_GAIN:
+ case V4L2_CID_GAIN:
ret = indycam_write_reg(client, INDYCAM_REG_GAIN, ctrl->value);
break;
- case INDYCAM_CONTROL_RED_BALANCE:
+ case V4L2_CID_RED_BALANCE:
ret = indycam_write_reg(client, INDYCAM_REG_RED_BALANCE,
ctrl->value);
break;
- case INDYCAM_CONTROL_BLUE_BALANCE:
+ case V4L2_CID_BLUE_BALANCE:
ret = indycam_write_reg(client, INDYCAM_REG_BLUE_BALANCE,
ctrl->value);
break;
@@ -264,7 +267,7 @@ static int indycam_set_control(struct i2c_client *client,
ret = indycam_write_reg(client, INDYCAM_REG_BLUE_SATURATION,
ctrl->value);
break;
- case INDYCAM_CONTROL_GAMMA:
+ case V4L2_CID_GAMMA:
if (camera->version == CAMERA_VERSION_MOOSE) {
ret = indycam_write_reg(client, INDYCAM_REG_GAMMA,
ctrl->value);
@@ -279,44 +282,50 @@ static int indycam_set_control(struct i2c_client *client,
/* I2C-interface */
-static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
+static int indycam_command(struct i2c_client *client, unsigned int cmd,
+ void *arg)
+{
+ /* The old video_decoder interface just isn't enough,
+ * so we'll use some custom commands. */
+ switch (cmd) {
+ case VIDIOC_G_CTRL:
+ return indycam_get_control(client, arg);
+
+ case VIDIOC_S_CTRL:
+ return indycam_set_control(client, arg);
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int indycam_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
int err = 0;
struct indycam *camera;
- struct i2c_client *client;
- printk(KERN_INFO "SGI IndyCam driver version %s\n",
- INDYCAM_MODULE_VERSION);
+ v4l_info(client, "chip found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!client)
- return -ENOMEM;
camera = kzalloc(sizeof(struct indycam), GFP_KERNEL);
- if (!camera) {
- err = -ENOMEM;
- goto out_free_client;
- }
+ if (!camera)
+ return -ENOMEM;
- client->addr = addr;
- client->adapter = adap;
- client->driver = &i2c_driver_indycam;
- client->flags = 0;
- strcpy(client->name, "IndyCam client");
i2c_set_clientdata(client, camera);
camera->client = client;
- err = i2c_attach_client(client);
- if (err)
- goto out_free_camera;
-
camera->version = i2c_smbus_read_byte_data(client,
INDYCAM_REG_VERSION);
if (camera->version != CAMERA_VERSION_INDY &&
camera->version != CAMERA_VERSION_MOOSE) {
- err = -ENODEV;
- goto out_detach_client;
+ kfree(camera);
+ return -ENODEV;
}
+
printk(KERN_INFO "IndyCam v%d.%d detected\n",
INDYCAM_VERSION_MAJOR(camera->version),
INDYCAM_VERSION_MINOR(camera->version));
@@ -327,8 +336,8 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
err = indycam_write_block(client, 0, sizeof(initseq), (u8 *)&initseq);
if (err) {
printk(KERN_ERR "IndyCam initialization failed\n");
- err = -EIO;
- goto out_detach_client;
+ kfree(camera);
+ return -EIO;
}
indycam_regdump(client);
@@ -338,8 +347,8 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
INDYCAM_CONTROL_AGCENA | INDYCAM_CONTROL_AWBCTL);
if (err) {
printk(KERN_ERR "IndyCam: White balancing camera failed\n");
- err = -EIO;
- goto out_detach_client;
+ kfree(camera);
+ return -EIO;
}
indycam_regdump(client);
@@ -347,124 +356,33 @@ static int indycam_attach(struct i2c_adapter *adap, int addr, int kind)
printk(KERN_INFO "IndyCam initialized\n");
return 0;
-
-out_detach_client:
- i2c_detach_client(client);
-out_free_camera:
- kfree(camera);
-out_free_client:
- kfree(client);
- return err;
}
-static int indycam_probe(struct i2c_adapter *adap)
-{
- /* Indy specific crap */
- if (adap->id == I2C_HW_SGI_VINO)
- return indycam_attach(adap, INDYCAM_ADDR, 0);
- /* Feel free to add probe here :-) */
- return -ENODEV;
-}
-
-static int indycam_detach(struct i2c_client *client)
+static int indycam_remove(struct i2c_client *client)
{
struct indycam *camera = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(camera);
- kfree(client);
return 0;
}
-static int indycam_command(struct i2c_client *client, unsigned int cmd,
- void *arg)
+static int indycam_legacy_probe(struct i2c_adapter *adapter)
{
- // struct indycam *camera = i2c_get_clientdata(client);
-
- /* The old video_decoder interface just isn't enough,
- * so we'll use some custom commands. */
- switch (cmd) {
- case DECODER_GET_CAPABILITIES: {
- struct video_decoder_capability *cap = arg;
-
- cap->flags = VIDEO_DECODER_NTSC;
- cap->inputs = 1;
- cap->outputs = 1;
- break;
- }
- case DECODER_GET_STATUS: {
- int *iarg = arg;
-
- *iarg = DECODER_STATUS_GOOD | DECODER_STATUS_NTSC |
- DECODER_STATUS_COLOR;
- break;
- }
- case DECODER_SET_NORM: {
- int *iarg = arg;
-
- switch (*iarg) {
- case VIDEO_MODE_NTSC:
- break;
- default:
- return -EINVAL;
- }
- break;
- }
- case DECODER_SET_INPUT: {
- int *iarg = arg;
-
- if (*iarg != 0)
- return -EINVAL;
- break;
- }
- case DECODER_SET_OUTPUT: {
- int *iarg = arg;
-
- if (*iarg != 0)
- return -EINVAL;
- break;
- }
- case DECODER_ENABLE_OUTPUT: {
- /* Always enabled */
- break;
- }
- case DECODER_SET_PICTURE: {
- // struct video_picture *pic = arg;
- /* TODO: convert values for indycam_set_controls() */
- break;
- }
- case DECODER_INDYCAM_GET_CONTROL: {
- return indycam_get_control(client, arg);
- }
- case DECODER_INDYCAM_SET_CONTROL: {
- return indycam_set_control(client, arg);
- }
- default:
- return -EINVAL;
- }
-
- return 0;
+ return adapter->id == I2C_HW_SGI_VINO;
}
-static struct i2c_driver i2c_driver_indycam = {
- .driver = {
- .name = "indycam",
- },
- .id = I2C_DRIVERID_INDYCAM,
- .attach_adapter = indycam_probe,
- .detach_client = indycam_detach,
- .command = indycam_command,
+static const struct i2c_device_id indycam_id[] = {
+ { "indycam", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, indycam_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "indycam",
+ .driverid = I2C_DRIVERID_INDYCAM,
+ .command = indycam_command,
+ .probe = indycam_probe,
+ .remove = indycam_remove,
+ .legacy_probe = indycam_legacy_probe,
+ .id_table = indycam_id,
};
-
-static int __init indycam_init(void)
-{
- return i2c_add_driver(&i2c_driver_indycam);
-}
-
-static void __exit indycam_exit(void)
-{
- i2c_del_driver(&i2c_driver_indycam);
-}
-
-module_init(indycam_init);
-module_exit(indycam_exit);