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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 23:23:43 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 23:42:14 +0400
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/cs5345.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
downloadlinux-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.xz
[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/cs5345.c')
-rw-r--r--drivers/media/video/cs5345.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/drivers/media/video/cs5345.c b/drivers/media/video/cs5345.c
deleted file mode 100644
index c8581e26fa9c..000000000000
--- a/drivers/media/video/cs5345.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * cs5345 Cirrus Logic 24-bit, 192 kHz Stereo Audio ADC
- * Copyright (C) 2007 Hans Verkuil
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as 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 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <linux/slab.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-ctrls.h>
-
-MODULE_DESCRIPTION("i2c device driver for cs5345 Audio ADC");
-MODULE_AUTHOR("Hans Verkuil");
-MODULE_LICENSE("GPL");
-
-static bool debug;
-
-module_param(debug, bool, 0644);
-
-MODULE_PARM_DESC(debug, "Debugging messages, 0=Off (default), 1=On");
-
-struct cs5345_state {
- struct v4l2_subdev sd;
- struct v4l2_ctrl_handler hdl;
-};
-
-static inline struct cs5345_state *to_state(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct cs5345_state, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
- return &container_of(ctrl->handler, struct cs5345_state, hdl)->sd;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static inline int cs5345_write(struct v4l2_subdev *sd, u8 reg, u8 value)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int cs5345_read(struct v4l2_subdev *sd, u8 reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int cs5345_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
-{
- if ((input & 0xf) > 6) {
- v4l2_err(sd, "Invalid input %d.\n", input);
- return -EINVAL;
- }
- cs5345_write(sd, 0x09, input & 0xf);
- cs5345_write(sd, 0x05, input & 0xf0);
- return 0;
-}
-
-static int cs5345_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = to_sd(ctrl);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- cs5345_write(sd, 0x04, ctrl->val ? 0x80 : 0);
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- cs5345_write(sd, 0x07, ((u8)ctrl->val) & 0x3f);
- cs5345_write(sd, 0x08, ((u8)ctrl->val) & 0x3f);
- return 0;
- }
- return -EINVAL;
-}
-
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int cs5345_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- reg->size = 1;
- reg->val = cs5345_read(sd, reg->reg & 0x1f);
- return 0;
-}
-
-static int cs5345_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- cs5345_write(sd, reg->reg & 0x1f, reg->val & 0xff);
- return 0;
-}
-#endif
-
-static int cs5345_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_CS5345, 0);
-}
-
-static int cs5345_log_status(struct v4l2_subdev *sd)
-{
- u8 v = cs5345_read(sd, 0x09) & 7;
- u8 m = cs5345_read(sd, 0x04);
- int vol = cs5345_read(sd, 0x08) & 0x3f;
-
- v4l2_info(sd, "Input: %d%s\n", v,
- (m & 0x80) ? " (muted)" : "");
- if (vol >= 32)
- vol = vol - 64;
- v4l2_info(sd, "Volume: %d dB\n", vol);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_ctrl_ops cs5345_ctrl_ops = {
- .s_ctrl = cs5345_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops cs5345_core_ops = {
- .log_status = cs5345_log_status,
- .g_chip_ident = cs5345_g_chip_ident,
- .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
- .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
- .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
- .g_ctrl = v4l2_subdev_g_ctrl,
- .s_ctrl = v4l2_subdev_s_ctrl,
- .queryctrl = v4l2_subdev_queryctrl,
- .querymenu = v4l2_subdev_querymenu,
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- .g_register = cs5345_g_register,
- .s_register = cs5345_s_register,
-#endif
-};
-
-static const struct v4l2_subdev_audio_ops cs5345_audio_ops = {
- .s_routing = cs5345_s_routing,
-};
-
-static const struct v4l2_subdev_ops cs5345_ops = {
- .core = &cs5345_core_ops,
- .audio = &cs5345_audio_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-static int cs5345_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct cs5345_state *state;
- struct v4l2_subdev *sd;
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -EIO;
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
-
- state = kzalloc(sizeof(struct cs5345_state), GFP_KERNEL);
- if (state == NULL)
- return -ENOMEM;
- sd = &state->sd;
- v4l2_i2c_subdev_init(sd, client, &cs5345_ops);
-
- v4l2_ctrl_handler_init(&state->hdl, 2);
- v4l2_ctrl_new_std(&state->hdl, &cs5345_ctrl_ops,
- V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
- v4l2_ctrl_new_std(&state->hdl, &cs5345_ctrl_ops,
- V4L2_CID_AUDIO_VOLUME, -24, 24, 1, 0);
- sd->ctrl_handler = &state->hdl;
- if (state->hdl.error) {
- int err = state->hdl.error;
-
- v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
- return err;
- }
- /* set volume/mute */
- v4l2_ctrl_handler_setup(&state->hdl);
-
- cs5345_write(sd, 0x02, 0x00);
- cs5345_write(sd, 0x04, 0x01);
- cs5345_write(sd, 0x09, 0x01);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int cs5345_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct cs5345_state *state = to_state(sd);
-
- v4l2_device_unregister_subdev(sd);
- v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct i2c_device_id cs5345_id[] = {
- { "cs5345", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, cs5345_id);
-
-static struct i2c_driver cs5345_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "cs5345",
- },
- .probe = cs5345_probe,
- .remove = cs5345_remove,
- .id_table = cs5345_id,
-};
-
-module_i2c_driver(cs5345_driver);