[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>

1 files changed, 0 insertions, 294 deletions

diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c
deleted file mode 100644
index 3bb99e93febe..000000000000
--- a/drivers/media/video/wm8739.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * wm8739
- *
- * Copyright (C) 2005 T. Adachi <tadachi@tadachi-net.com>
- *
- * Copyright (C) 2005 Hans Verkuil <hverkuil@xs4all.nl>
- * - Cleanup
- *
- * 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("wm8739 driver");
-MODULE_AUTHOR("T. Adachi, Hans Verkuil");
-MODULE_LICENSE("GPL");
-
-static int debug;
-
-module_param(debug, int, 0644);
-
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-
-/* ------------------------------------------------------------------------ */
-
-enum {
-	R0 = 0, R1,
-	R5 = 5, R6, R7, R8, R9, R15 = 15,
-	TOT_REGS
-};
-
-struct wm8739_state {
-	struct v4l2_subdev sd;
-	struct v4l2_ctrl_handler hdl;
-	struct {
-		/* audio cluster */
-		struct v4l2_ctrl *volume;
-		struct v4l2_ctrl *mute;
-		struct v4l2_ctrl *balance;
-	};
-	u32 clock_freq;
-};
-
-static inline struct wm8739_state *to_state(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct wm8739_state, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
-	return &container_of(ctrl->handler, struct wm8739_state, hdl)->sd;
-}
-
-/* ------------------------------------------------------------------------ */
-
-static int wm8739_write(struct v4l2_subdev *sd, int reg, u16 val)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	int i;
-
-	if (reg < 0 || reg >= TOT_REGS) {
-		v4l2_err(sd, "Invalid register R%d\n", reg);
-		return -1;
-	}
-
-	v4l2_dbg(1, debug, sd, "write: %02x %02x\n", reg, val);
-
-	for (i = 0; i < 3; i++)
-		if (i2c_smbus_write_byte_data(client,
-				(reg << 1) | (val >> 8), val & 0xff) == 0)
-			return 0;
-	v4l2_err(sd, "I2C: cannot write %03x to register R%d\n", val, reg);
-	return -1;
-}
-
-static int wm8739_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct v4l2_subdev *sd = to_sd(ctrl);
-	struct wm8739_state *state = to_state(sd);
-	unsigned int work_l, work_r;
-	u8 vol_l;	/* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */
-	u8 vol_r;	/* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */
-	u16 mute;
-
-	switch (ctrl->id) {
-	case V4L2_CID_AUDIO_VOLUME:
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	/* normalize ( 65535 to 0 -> 31 to 0 (12dB to -34.5dB) ) */
-	work_l = (min(65536 - state->balance->val, 32768) * state->volume->val) / 32768;
-	work_r = (min(state->balance->val, 32768) * state->volume->val) / 32768;
-
-	vol_l = (long)work_l * 31 / 65535;
-	vol_r = (long)work_r * 31 / 65535;
-
-	/* set audio volume etc. */
-	mute = state->mute->val ? 0x80 : 0;
-
-	/* Volume setting: bits 0-4, 0x1f = 12 dB, 0x00 = -34.5 dB
-	 * Default setting: 0x17 = 0 dB
-	 */
-	wm8739_write(sd, R0, (vol_l & 0x1f) | mute);
-	wm8739_write(sd, R1, (vol_r & 0x1f) | mute);
-	return 0;
-}
-
-/* ------------------------------------------------------------------------ */
-
-static int wm8739_s_clock_freq(struct v4l2_subdev *sd, u32 audiofreq)
-{
-	struct wm8739_state *state = to_state(sd);
-
-	state->clock_freq = audiofreq;
-	/* de-activate */
-	wm8739_write(sd, R9, 0x000);
-	switch (audiofreq) {
-	case 44100:
-		/* 256fps, fs=44.1k */
-		wm8739_write(sd, R8, 0x020);
-		break;
-	case 48000:
-		/* 256fps, fs=48k */
-		wm8739_write(sd, R8, 0x000);
-		break;
-	case 32000:
-		/* 256fps, fs=32k */
-		wm8739_write(sd, R8, 0x018);
-		break;
-	default:
-		break;
-	}
-	/* activate */
-	wm8739_write(sd, R9, 0x001);
-	return 0;
-}
-
-static int wm8739_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_WM8739, 0);
-}
-
-static int wm8739_log_status(struct v4l2_subdev *sd)
-{
-	struct wm8739_state *state = to_state(sd);
-
-	v4l2_info(sd, "Frequency: %u Hz\n", state->clock_freq);
-	v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
-	return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_ctrl_ops wm8739_ctrl_ops = {
-	.s_ctrl = wm8739_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops wm8739_core_ops = {
-	.log_status = wm8739_log_status,
-	.g_chip_ident = wm8739_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 wm8739_audio_ops = {
-	.s_clock_freq = wm8739_s_clock_freq,
-};
-
-static const struct v4l2_subdev_ops wm8739_ops = {
-	.core = &wm8739_core_ops,
-	.audio = &wm8739_audio_ops,
-};
-
-/* ------------------------------------------------------------------------ */
-
-/* i2c implementation */
-
-static int wm8739_probe(struct i2c_client *client,
-			const struct i2c_device_id *id)
-{
-	struct wm8739_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 wm8739_state), GFP_KERNEL);
-	if (state == NULL)
-		return -ENOMEM;
-	sd = &state->sd;
-	v4l2_i2c_subdev_init(sd, client, &wm8739_ops);
-	v4l2_ctrl_handler_init(&state->hdl, 2);
-	state->volume = v4l2_ctrl_new_std(&state->hdl, &wm8739_ctrl_ops,
-			V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 50736);
-	state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8739_ctrl_ops,
-			V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
-	state->balance = v4l2_ctrl_new_std(&state->hdl, &wm8739_ctrl_ops,
-			V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768);
-	sd->ctrl_handler = &state->hdl;
-	if (state->hdl.error) {
-		int err = state->hdl.error;
-
-		v4l2_ctrl_handler_free(&state->hdl);
-		kfree(state);
-		return err;
-	}
-	v4l2_ctrl_cluster(3, &state->volume);
-
-	state->clock_freq = 48000;
-
-	/* Initialize wm8739 */
-
-	/* reset */
-	wm8739_write(sd, R15, 0x00);
-	/* filter setting, high path, offet clear */
-	wm8739_write(sd, R5, 0x000);
-	/* ADC, OSC, Power Off mode Disable */
-	wm8739_write(sd, R6, 0x000);
-	/* Digital Audio interface format:
-	   Enable Master mode, 24 bit, MSB first/left justified */
-	wm8739_write(sd, R7, 0x049);
-	/* sampling control: normal, 256fs, 48KHz sampling rate */
-	wm8739_write(sd, R8, 0x000);
-	/* activate */
-	wm8739_write(sd, R9, 0x001);
-	/* set volume/mute */
-	v4l2_ctrl_handler_setup(&state->hdl);
-	return 0;
-}
-
-static int wm8739_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct wm8739_state *state = to_state(sd);
-
-	v4l2_device_unregister_subdev(sd);
-	v4l2_ctrl_handler_free(&state->hdl);
-	kfree(to_state(sd));
-	return 0;
-}
-
-static const struct i2c_device_id wm8739_id[] = {
-	{ "wm8739", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, wm8739_id);
-
-static struct i2c_driver wm8739_driver = {
-	.driver = {
-		.owner	= THIS_MODULE,
-		.name	= "wm8739",
-	},
-	.probe		= wm8739_probe,
-	.remove		= wm8739_remove,
-	.id_table	= wm8739_id,
-};
-
-module_i2c_driver(wm8739_driver);