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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 16:23:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:42:14 -0300
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/cs53l32a.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
[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/cs53l32a.c')
-rw-r--r--drivers/media/video/cs53l32a.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/media/video/cs53l32a.c b/drivers/media/video/cs53l32a.c
deleted file mode 100644
index b293912206eb..000000000000
--- a/drivers/media/video/cs53l32a.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * cs53l32a (Adaptec AVC-2010 and AVC-2410) i2c ivtv driver.
- * Copyright (C) 2005 Martin Vaughan
- *
- * Audio source switching for Adaptec AVC-2410 added by Trev Jackson
- *
- * 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/types.h>
-#include <linux/slab.h>
-#include <linux/ioctl.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-ctrls.h>
-
-MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC");
-MODULE_AUTHOR("Martin Vaughan");
-MODULE_LICENSE("GPL");
-
-static bool debug;
-
-module_param(debug, bool, 0644);
-
-MODULE_PARM_DESC(debug, "Debugging messages, 0=Off (default), 1=On");
-
-
-struct cs53l32a_state {
- struct v4l2_subdev sd;
- struct v4l2_ctrl_handler hdl;
-};
-
-static inline struct cs53l32a_state *to_state(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct cs53l32a_state, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
- return &container_of(ctrl->handler, struct cs53l32a_state, hdl)->sd;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int cs53l32a_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 int cs53l32a_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 cs53l32a_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
-{
- /* There are 2 physical inputs, but the second input can be
- placed in two modes, the first mode bypasses the PGA (gain),
- the second goes through the PGA. Hence there are three
- possible inputs to choose from. */
- if (input > 2) {
- v4l2_err(sd, "Invalid input %d.\n", input);
- return -EINVAL;
- }
- cs53l32a_write(sd, 0x01, 0x01 + (input << 4));
- return 0;
-}
-
-static int cs53l32a_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = to_sd(ctrl);
-
- switch (ctrl->id) {
- case V4L2_CID_AUDIO_MUTE:
- cs53l32a_write(sd, 0x03, ctrl->val ? 0xf0 : 0x30);
- return 0;
- case V4L2_CID_AUDIO_VOLUME:
- cs53l32a_write(sd, 0x04, (u8)ctrl->val);
- cs53l32a_write(sd, 0x05, (u8)ctrl->val);
- return 0;
- }
- return -EINVAL;
-}
-
-static int cs53l32a_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_CS53l32A, 0);
-}
-
-static int cs53l32a_log_status(struct v4l2_subdev *sd)
-{
- struct cs53l32a_state *state = to_state(sd);
- u8 v = cs53l32a_read(sd, 0x01);
-
- v4l2_info(sd, "Input: %d\n", (v >> 4) & 3);
- v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_ctrl_ops cs53l32a_ctrl_ops = {
- .s_ctrl = cs53l32a_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops cs53l32a_core_ops = {
- .log_status = cs53l32a_log_status,
- .g_chip_ident = cs53l32a_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,
-};
-
-static const struct v4l2_subdev_audio_ops cs53l32a_audio_ops = {
- .s_routing = cs53l32a_s_routing,
-};
-
-static const struct v4l2_subdev_ops cs53l32a_ops = {
- .core = &cs53l32a_core_ops,
- .audio = &cs53l32a_audio_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-/* i2c implementation */
-
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-
-static int cs53l32a_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct cs53l32a_state *state;
- struct v4l2_subdev *sd;
- int i;
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return -EIO;
-
- if (!id)
- strlcpy(client->name, "cs53l32a", sizeof(client->name));
-
- v4l_info(client, "chip found @ 0x%x (%s)\n",
- client->addr << 1, client->adapter->name);
-
- state = kzalloc(sizeof(struct cs53l32a_state), GFP_KERNEL);
- if (state == NULL)
- return -ENOMEM;
- sd = &state->sd;
- v4l2_i2c_subdev_init(sd, client, &cs53l32a_ops);
-
- for (i = 1; i <= 7; i++) {
- u8 v = cs53l32a_read(sd, i);
-
- v4l2_dbg(1, debug, sd, "Read Reg %d %02x\n", i, v);
- }
-
- v4l2_ctrl_handler_init(&state->hdl, 2);
- v4l2_ctrl_new_std(&state->hdl, &cs53l32a_ctrl_ops,
- V4L2_CID_AUDIO_VOLUME, -96, 12, 1, 0);
- v4l2_ctrl_new_std(&state->hdl, &cs53l32a_ctrl_ops,
- V4L2_CID_AUDIO_MUTE, 0, 1, 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 cs53l32a internal register for Adaptec 2010/2410 setup */
-
- cs53l32a_write(sd, 0x01, 0x21);
- cs53l32a_write(sd, 0x02, 0x29);
- cs53l32a_write(sd, 0x03, 0x30);
- cs53l32a_write(sd, 0x04, 0x00);
- cs53l32a_write(sd, 0x05, 0x00);
- cs53l32a_write(sd, 0x06, 0x00);
- cs53l32a_write(sd, 0x07, 0x00);
-
- /* Display results, should be 0x21,0x29,0x30,0x00,0x00,0x00,0x00 */
-
- for (i = 1; i <= 7; i++) {
- u8 v = cs53l32a_read(sd, i);
-
- v4l2_dbg(1, debug, sd, "Read Reg %d %02x\n", i, v);
- }
- return 0;
-}
-
-static int cs53l32a_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct cs53l32a_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 cs53l32a_id[] = {
- { "cs53l32a", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, cs53l32a_id);
-
-static struct i2c_driver cs53l32a_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "cs53l32a",
- },
- .probe = cs53l32a_probe,
- .remove = cs53l32a_remove,
- .id_table = cs53l32a_id,
-};
-
-module_i2c_driver(cs53l32a_driver);