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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 21:23:43 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 21:42:14 +0200
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/tea6415c.c
parent[media] reorganize the API core items (diff)
downloadlinux-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.xz
linux-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.zip
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tea6415c.c')
-rw-r--r--drivers/media/video/tea6415c.c187
1 files changed, 0 insertions, 187 deletions
diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c
deleted file mode 100644
index d1d6ea1dd273..000000000000
--- a/drivers/media/video/tea6415c.c
+++ /dev/null
@@ -1,187 +0,0 @@
- /*
- tea6415c - i2c-driver for the tea6415c by SGS Thomson
-
- Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de>
- Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl>
-
- The tea6415c is a bus controlled video-matrix-switch
- with 8 inputs and 6 outputs.
- It is cascadable, i.e. it can be found at the addresses
- 0x86 and 0x06 on the i2c-bus.
-
- For detailed informations download the specifications directly
- from SGS Thomson at http://www.st.com
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License vs published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- 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., 675 Mvss Ave, Cambridge, MA 02139, USA.
- */
-
-
-#include <linux/module.h>
-#include <linux/ioctl.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include "tea6415c.h"
-
-MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
-MODULE_DESCRIPTION("tea6415c driver");
-MODULE_LICENSE("GPL");
-
-static int debug;
-module_param(debug, int, 0644);
-
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-
-/* makes a connection between the input-pin 'i' and the output-pin 'o' */
-static int tea6415c_s_routing(struct v4l2_subdev *sd,
- u32 i, u32 o, u32 config)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- u8 byte = 0;
- int ret;
-
- v4l2_dbg(1, debug, sd, "i=%d, o=%d\n", i, o);
-
- /* check if the pins are valid */
- if (0 == ((1 == i || 3 == i || 5 == i || 6 == i || 8 == i || 10 == i || 20 == i || 11 == i)
- && (18 == o || 17 == o || 16 == o || 15 == o || 14 == o || 13 == o)))
- return -EINVAL;
-
- /* to understand this, have a look at the tea6415c-specs (p.5) */
- switch (o) {
- case 18:
- byte = 0x00;
- break;
- case 14:
- byte = 0x20;
- break;
- case 16:
- byte = 0x10;
- break;
- case 17:
- byte = 0x08;
- break;
- case 15:
- byte = 0x18;
- break;
- case 13:
- byte = 0x28;
- break;
- };
-
- switch (i) {
- case 5:
- byte |= 0x00;
- break;
- case 8:
- byte |= 0x04;
- break;
- case 3:
- byte |= 0x02;
- break;
- case 20:
- byte |= 0x06;
- break;
- case 6:
- byte |= 0x01;
- break;
- case 10:
- byte |= 0x05;
- break;
- case 1:
- byte |= 0x03;
- break;
- case 11:
- byte |= 0x07;
- break;
- };
-
- ret = i2c_smbus_write_byte(client, byte);
- if (ret) {
- v4l2_dbg(1, debug, sd,
- "i2c_smbus_write_byte() failed, ret:%d\n", ret);
- return -EIO;
- }
- return ret;
-}
-
-static int tea6415c_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TEA6415C, 0);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_subdev_core_ops tea6415c_core_ops = {
- .g_chip_ident = tea6415c_g_chip_ident,
-};
-
-static const struct v4l2_subdev_video_ops tea6415c_video_ops = {
- .s_routing = tea6415c_s_routing,
-};
-
-static const struct v4l2_subdev_ops tea6415c_ops = {
- .core = &tea6415c_core_ops,
- .video = &tea6415c_video_ops,
-};
-
-static int tea6415c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct v4l2_subdev *sd;
-
- /* let's see whether this adapter can support what we need */
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE))
- return -EIO;
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
- sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL);
- if (sd == NULL)
- return -ENOMEM;
- v4l2_i2c_subdev_init(sd, client, &tea6415c_ops);
- return 0;
-}
-
-static int tea6415c_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
-
- v4l2_device_unregister_subdev(sd);
- kfree(sd);
- return 0;
-}
-
-static const struct i2c_device_id tea6415c_id[] = {
- { "tea6415c", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, tea6415c_id);
-
-static struct i2c_driver tea6415c_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "tea6415c",
- },
- .probe = tea6415c_probe,
- .remove = tea6415c_remove,
- .id_table = tea6415c_id,
-};
-
-module_i2c_driver(tea6415c_driver);