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author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-02-27 12:05:10 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 15:43:10 (GMT) |
commit | cf4e9484f402c799fa25c9ffb7e9a3b620a3702d (patch) | |
tree | 5f7839009c8a66f4c1b5eaaf2c3c7365b515564d /drivers/media/video/indycam.c | |
parent | babb7dc7776dd6ded4e1e6cb7acc34c25c0eb521 (diff) | |
download | linux-cf4e9484f402c799fa25c9ffb7e9a3b620a3702d.tar.xz |
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.c | 234 |
1 files changed, 76 insertions, 158 deletions
diff --git a/drivers/media/video/indycam.c b/drivers/media/video/indycam.c index 84b9e4f..54099e3 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, ®); 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, ®); 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, ®); 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, ®); 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, ®); 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, ®); @@ -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, ®); 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); |