[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, 342 deletions

diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c
deleted file mode 100644
index bee77ea9f49e..000000000000
--- a/drivers/media/video/wm8775.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * wm8775 - driver version 0.0.1
- *
- * Copyright (C) 2004 Ulf Eklund <ivtv at eklund.to>
- *
- * Based on saa7115 driver
- *
- * Copyright (C) 2005 Hans Verkuil <hverkuil@xs4all.nl>
- * - Cleanup
- * - V4L2 API update
- * - sound fixes
- *
- * 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>
-#include <media/wm8775.h>
-
-MODULE_DESCRIPTION("wm8775 driver");
-MODULE_AUTHOR("Ulf Eklund, Hans Verkuil");
-MODULE_LICENSE("GPL");
-
-
-
-/* ----------------------------------------------------------------------- */
-
-enum {
-	R7 = 7, R11 = 11,
-	R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R23 = 23,
-	TOT_REGS
-};
-
-#define ALC_HOLD 0x85 /* R17: use zero cross detection, ALC hold time 42.6 ms */
-#define ALC_EN 0x100  /* R17: ALC enable */
-
-struct wm8775_state {
-	struct v4l2_subdev sd;
-	struct v4l2_ctrl_handler hdl;
-	struct v4l2_ctrl *mute;
-	struct v4l2_ctrl *vol;
-	struct v4l2_ctrl *bal;
-	struct v4l2_ctrl *loud;
-	u8 input;		/* Last selected input (0-0xf) */
-};
-
-static inline struct wm8775_state *to_state(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct wm8775_state, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
-	return &container_of(ctrl->handler, struct wm8775_state, hdl)->sd;
-}
-
-static int wm8775_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;
-	}
-
-	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 void wm8775_set_audio(struct v4l2_subdev *sd, int quietly)
-{
-	struct wm8775_state *state = to_state(sd);
-	u8 vol_l, vol_r;
-	int muted = 0 != state->mute->val;
-	u16 volume = (u16)state->vol->val;
-	u16 balance = (u16)state->bal->val;
-
-	/* normalize ( 65535 to 0 -> 255 to 0 (+24dB to -103dB) ) */
-	vol_l = (min(65536 - balance, 32768) * volume) >> 23;
-	vol_r = (min(balance, (u16)32768) * volume) >> 23;
-
-	/* Mute */
-	if (muted || quietly)
-		wm8775_write(sd, R21, 0x0c0 | state->input);
-
-	wm8775_write(sd, R14, vol_l | 0x100); /* 0x100= Left channel ADC zero cross enable */
-	wm8775_write(sd, R15, vol_r | 0x100); /* 0x100= Right channel ADC zero cross enable */
-
-	/* Un-mute */
-	if (!muted)
-		wm8775_write(sd, R21, state->input);
-}
-
-static int wm8775_s_routing(struct v4l2_subdev *sd,
-			    u32 input, u32 output, u32 config)
-{
-	struct wm8775_state *state = to_state(sd);
-
-	/* There are 4 inputs and one output. Zero or more inputs
-	   are multiplexed together to the output. Hence there are
-	   16 combinations.
-	   If only one input is active (the normal case) then the
-	   input values 1, 2, 4 or 8 should be used. */
-	if (input > 15) {
-		v4l2_err(sd, "Invalid input %d.\n", input);
-		return -EINVAL;
-	}
-	state->input = input;
-	if (!v4l2_ctrl_g_ctrl(state->mute))
-		return 0;
-	if (!v4l2_ctrl_g_ctrl(state->vol))
-		return 0;
-	if (!v4l2_ctrl_g_ctrl(state->bal))
-		return 0;
-	wm8775_set_audio(sd, 1);
-	return 0;
-}
-
-static int wm8775_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct v4l2_subdev *sd = to_sd(ctrl);
-
-	switch (ctrl->id) {
-	case V4L2_CID_AUDIO_MUTE:
-	case V4L2_CID_AUDIO_VOLUME:
-	case V4L2_CID_AUDIO_BALANCE:
-		wm8775_set_audio(sd, 0);
-		return 0;
-	case V4L2_CID_AUDIO_LOUDNESS:
-		wm8775_write(sd, R17, (ctrl->val ? ALC_EN : 0) | ALC_HOLD);
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static int wm8775_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_WM8775, 0);
-}
-
-static int wm8775_log_status(struct v4l2_subdev *sd)
-{
-	struct wm8775_state *state = to_state(sd);
-
-	v4l2_info(sd, "Input: %d\n", state->input);
-	v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
-	return 0;
-}
-
-static int wm8775_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
-{
-	wm8775_set_audio(sd, 0);
-	return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_ctrl_ops wm8775_ctrl_ops = {
-	.s_ctrl = wm8775_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops wm8775_core_ops = {
-	.log_status = wm8775_log_status,
-	.g_chip_ident = wm8775_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_tuner_ops wm8775_tuner_ops = {
-	.s_frequency = wm8775_s_frequency,
-};
-
-static const struct v4l2_subdev_audio_ops wm8775_audio_ops = {
-	.s_routing = wm8775_s_routing,
-};
-
-static const struct v4l2_subdev_ops wm8775_ops = {
-	.core = &wm8775_core_ops,
-	.tuner = &wm8775_tuner_ops,
-	.audio = &wm8775_audio_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-/* i2c implementation */
-
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-
-static int wm8775_probe(struct i2c_client *client,
-			const struct i2c_device_id *id)
-{
-	struct wm8775_state *state;
-	struct v4l2_subdev *sd;
-	int err;
-	bool is_nova_s = false;
-
-	if (client->dev.platform_data) {
-		struct wm8775_platform_data *data = client->dev.platform_data;
-		is_nova_s = data->is_nova_s;
-	}
-
-	/* 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%02x (%s)\n",
-			client->addr << 1, client->adapter->name);
-
-	state = kzalloc(sizeof(struct wm8775_state), GFP_KERNEL);
-	if (state == NULL)
-		return -ENOMEM;
-	sd = &state->sd;
-	v4l2_i2c_subdev_init(sd, client, &wm8775_ops);
-	state->input = 2;
-
-	v4l2_ctrl_handler_init(&state->hdl, 4);
-	state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
-			V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
-	state->vol = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
-			V4L2_CID_AUDIO_VOLUME, 0, 65535, (65535+99)/100, 0xCF00); /* 0dB*/
-	state->bal = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
-			V4L2_CID_AUDIO_BALANCE, 0, 65535, (65535+99)/100, 32768);
-	state->loud = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
-			V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 1);
-	sd->ctrl_handler = &state->hdl;
-	err = state->hdl.error;
-	if (err) {
-		v4l2_ctrl_handler_free(&state->hdl);
-		kfree(state);
-		return err;
-	}
-
-	/* Initialize wm8775 */
-
-	/* RESET */
-	wm8775_write(sd, R23, 0x000);
-	/* Disable zero cross detect timeout */
-	wm8775_write(sd, R7, 0x000);
-	/* HPF enable, left justified, 24-bit (Philips) mode */
-	wm8775_write(sd, R11, 0x021);
-	/* Master mode, clock ratio 256fs */
-	wm8775_write(sd, R12, 0x102);
-	/* Powered up */
-	wm8775_write(sd, R13, 0x000);
-
-	if (!is_nova_s) {
-		/* ADC gain +2.5dB, enable zero cross */
-		wm8775_write(sd, R14, 0x1d4);
-		/* ADC gain +2.5dB, enable zero cross */
-		wm8775_write(sd, R15, 0x1d4);
-		/* ALC Stereo, ALC target level -1dB FS max gain +8dB */
-		wm8775_write(sd, R16, 0x1bf);
-		/* Enable gain control, use zero cross detection,
-		   ALC hold time 42.6 ms */
-		wm8775_write(sd, R17, 0x185);
-	} else {
-		/* ALC stereo, ALC target level -5dB FS, ALC max gain +8dB */
-		wm8775_write(sd, R16, 0x1bb);
-		/* Set ALC mode and hold time */
-		wm8775_write(sd, R17, (state->loud->val ? ALC_EN : 0) | ALC_HOLD);
-	}
-	/* ALC gain ramp up delay 34 s, ALC gain ramp down delay 33 ms */
-	wm8775_write(sd, R18, 0x0a2);
-	/* Enable noise gate, threshold -72dBfs */
-	wm8775_write(sd, R19, 0x005);
-	if (!is_nova_s) {
-		/* Transient window 4ms, lower PGA gain limit -1dB */
-		wm8775_write(sd, R20, 0x07a);
-		/* LRBOTH = 1, use input 2. */
-		wm8775_write(sd, R21, 0x102);
-	} else {
-		/* Transient window 4ms, ALC min gain -5dB  */
-		wm8775_write(sd, R20, 0x0fb);
-
-		wm8775_set_audio(sd, 1);      /* set volume/mute/mux */
-	}
-	return 0;
-}
-
-static int wm8775_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct wm8775_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 wm8775_id[] = {
-	{ "wm8775", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, wm8775_id);
-
-static struct i2c_driver wm8775_driver = {
-	.driver = {
-		.owner	= THIS_MODULE,
-		.name	= "wm8775",
-	},
-	.probe		= wm8775_probe,
-	.remove		= wm8775_remove,
-	.id_table	= wm8775_id,
-};
-
-module_i2c_driver(wm8775_driver);