msi001: move out of staging

Move MSi001 driver from staging to drivers/media/tuners/.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

3 files changed, 0 insertions, 504 deletions

diff --git a/drivers/staging/media/msi3101/Kconfig b/drivers/staging/media/msi3101/Kconfig
index de0b3bb..399dbbb 100644
--- a/drivers/staging/media/msi3101/Kconfig
+++ b/drivers/staging/media/msi3101/Kconfig
@@ -5,6 +5,3 @@ config USB_MSI3101
 	select VIDEOBUF2_VMALLOC
 	select MEDIA_TUNER_MSI001
 
-config MEDIA_TUNER_MSI001
-	tristate "Mirics MSi001"
-	depends on VIDEO_V4L2 && SPI
diff --git a/drivers/staging/media/msi3101/Makefile b/drivers/staging/media/msi3101/Makefile
index daf4f58..3730654 100644
--- a/drivers/staging/media/msi3101/Makefile
+++ b/drivers/staging/media/msi3101/Makefile
@@ -1,2 +1 @@
 obj-$(CONFIG_USB_MSI3101)             += sdr-msi3101.o
-obj-$(CONFIG_MEDIA_TUNER_MSI001)      += msi001.o
diff --git a/drivers/staging/media/msi3101/msi001.c b/drivers/staging/media/msi3101/msi001.c
deleted file mode 100644
index ee99e37..0000000
--- a/drivers/staging/media/msi3101/msi001.c
+++ /dev/null
@@ -1,500 +0,0 @@
-/*
- * Mirics MSi001 silicon tuner driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
- *
- *    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.
- */
-
-#include <linux/module.h>
-#include <linux/gcd.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ctrls.h>
-
-static const struct v4l2_frequency_band bands[] = {
-	{
-		.type = V4L2_TUNER_RF,
-		.index = 0,
-		.capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
-		.rangelow   =   49000000,
-		.rangehigh  =  263000000,
-	}, {
-		.type = V4L2_TUNER_RF,
-		.index = 1,
-		.capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
-		.rangelow   =  390000000,
-		.rangehigh  =  960000000,
-	},
-};
-
-struct msi001 {
-	struct spi_device *spi;
-	struct v4l2_subdev sd;
-
-	/* Controls */
-	struct v4l2_ctrl_handler hdl;
-	struct v4l2_ctrl *bandwidth_auto;
-	struct v4l2_ctrl *bandwidth;
-	struct v4l2_ctrl *lna_gain;
-	struct v4l2_ctrl *mixer_gain;
-	struct v4l2_ctrl *if_gain;
-
-	unsigned int f_tuner;
-};
-
-static inline struct msi001 *sd_to_msi001(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct msi001, sd);
-}
-
-static int msi001_wreg(struct msi001 *s, u32 data)
-{
-	/* Register format: 4 bits addr + 20 bits value */
-	return spi_write(s->spi, &data, 3);
-};
-
-static int msi001_set_gain(struct msi001 *s, int lna_gain, int mixer_gain,
-		int if_gain)
-{
-	int ret;
-	u32 reg;
-	dev_dbg(&s->spi->dev, "%s: lna=%d mixer=%d if=%d\n", __func__,
-			lna_gain, mixer_gain, if_gain);
-
-	reg = 1 << 0;
-	reg |= (59 - if_gain) << 4;
-	reg |= 0 << 10;
-	reg |= (1 - mixer_gain) << 12;
-	reg |= (1 - lna_gain) << 13;
-	reg |= 4 << 14;
-	reg |= 0 << 17;
-	ret = msi001_wreg(s, reg);
-	if (ret)
-		goto err;
-
-	return 0;
-err:
-	dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
-	return ret;
-};
-
-static int msi001_set_tuner(struct msi001 *s)
-{
-	int ret, i;
-	unsigned int n, m, thresh, frac, vco_step, tmp, f_if1;
-	u32 reg;
-	u64 f_vco, tmp64;
-	u8 mode, filter_mode, lo_div;
-	static const struct {
-		u32 rf;
-		u8 mode;
-		u8 lo_div;
-	} band_lut[] = {
-		{ 50000000, 0xe1, 16}, /* AM_MODE2, antenna 2 */
-		{108000000, 0x42, 32}, /* VHF_MODE */
-		{330000000, 0x44, 16}, /* B3_MODE */
-		{960000000, 0x48,  4}, /* B45_MODE */
-		{      ~0U, 0x50,  2}, /* BL_MODE */
-	};
-	static const struct {
-		u32 freq;
-		u8 filter_mode;
-	} if_freq_lut[] = {
-		{      0, 0x03}, /* Zero IF */
-		{ 450000, 0x02}, /* 450 kHz IF */
-		{1620000, 0x01}, /* 1.62 MHz IF */
-		{2048000, 0x00}, /* 2.048 MHz IF */
-	};
-	static const struct {
-		u32 freq;
-		u8 val;
-	} bandwidth_lut[] = {
-		{ 200000, 0x00}, /* 200 kHz */
-		{ 300000, 0x01}, /* 300 kHz */
-		{ 600000, 0x02}, /* 600 kHz */
-		{1536000, 0x03}, /* 1.536 MHz */
-		{5000000, 0x04}, /* 5 MHz */
-		{6000000, 0x05}, /* 6 MHz */
-		{7000000, 0x06}, /* 7 MHz */
-		{8000000, 0x07}, /* 8 MHz */
-	};
-
-	unsigned int f_rf = s->f_tuner;
-
-	/*
-	 * bandwidth (Hz)
-	 * 200000, 300000, 600000, 1536000, 5000000, 6000000, 7000000, 8000000
-	 */
-	unsigned int bandwidth;
-
-	/*
-	 * intermediate frequency (Hz)
-	 * 0, 450000, 1620000, 2048000
-	 */
-	unsigned int f_if = 0;
-	#define F_REF 24000000
-	#define R_REF 4
-	#define F_OUT_STEP 1
-
-	dev_dbg(&s->spi->dev,
-			"%s: f_rf=%d f_if=%d\n",
-			__func__, f_rf, f_if);
-
-	for (i = 0; i < ARRAY_SIZE(band_lut); i++) {
-		if (f_rf <= band_lut[i].rf) {
-			mode = band_lut[i].mode;
-			lo_div = band_lut[i].lo_div;
-			break;
-		}
-	}
-
-	if (i == ARRAY_SIZE(band_lut)) {
-		ret = -EINVAL;
-		goto err;
-	}
-
-	/* AM_MODE is upconverted */
-	if ((mode >> 0) & 0x1)
-		f_if1 =  5 * F_REF;
-	else
-		f_if1 =  0;
-
-	for (i = 0; i < ARRAY_SIZE(if_freq_lut); i++) {
-		if (f_if == if_freq_lut[i].freq) {
-			filter_mode = if_freq_lut[i].filter_mode;
-			break;
-		}
-	}
-
-	if (i == ARRAY_SIZE(if_freq_lut)) {
-		ret = -EINVAL;
-		goto err;
-	}
-
-	/* filters */
-	bandwidth = s->bandwidth->val;
-	bandwidth = clamp(bandwidth, 200000U, 8000000U);
-
-	for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
-		if (bandwidth <= bandwidth_lut[i].freq) {
-			bandwidth = bandwidth_lut[i].val;
-			break;
-		}
-	}
-
-	if (i == ARRAY_SIZE(bandwidth_lut)) {
-		ret = -EINVAL;
-		goto err;
-	}
-
-	s->bandwidth->val = bandwidth_lut[i].freq;
-
-	dev_dbg(&s->spi->dev, "%s: bandwidth selected=%d\n",
-			__func__, bandwidth_lut[i].freq);
-
-	f_vco = (u64) (f_rf + f_if + f_if1) * lo_div;
-	tmp64 = f_vco;
-	m = do_div(tmp64, F_REF * R_REF);
-	n = (unsigned int) tmp64;
-
-	vco_step = F_OUT_STEP * lo_div;
-	thresh = (F_REF * R_REF) / vco_step;
-	frac = 1ul * thresh * m / (F_REF * R_REF);
-
-	/* Find out greatest common divisor and divide to smaller. */
-	tmp = gcd(thresh, frac);
-	thresh /= tmp;
-	frac /= tmp;
-
-	/* Force divide to reg max. Resolution will be reduced. */
-	tmp = DIV_ROUND_UP(thresh, 4095);
-	thresh = DIV_ROUND_CLOSEST(thresh, tmp);
-	frac = DIV_ROUND_CLOSEST(frac, tmp);
-
-	/* calc real RF set */
-	tmp = 1ul * F_REF * R_REF * n;
-	tmp += 1ul * F_REF * R_REF * frac / thresh;
-	tmp /= lo_div;
-
-	dev_dbg(&s->spi->dev,
-			"%s: rf=%u:%u n=%d thresh=%d frac=%d\n",
-				__func__, f_rf, tmp, n, thresh, frac);
-
-	ret = msi001_wreg(s, 0x00000e);
-	if (ret)
-		goto err;
-
-	ret = msi001_wreg(s, 0x000003);
-	if (ret)
-		goto err;
-
-	reg = 0 << 0;
-	reg |= mode << 4;
-	reg |= filter_mode << 12;
-	reg |= bandwidth << 14;
-	reg |= 0x02 << 17;
-	reg |= 0x00 << 20;
-	ret = msi001_wreg(s, reg);
-	if (ret)
-		goto err;
-
-	reg = 5 << 0;
-	reg |= thresh << 4;
-	reg |= 1 << 19;
-	reg |= 1 << 21;
-	ret = msi001_wreg(s, reg);
-	if (ret)
-		goto err;
-
-	reg = 2 << 0;
-	reg |= frac << 4;
-	reg |= n << 16;
-	ret = msi001_wreg(s, reg);
-	if (ret)
-		goto err;
-
-	ret = msi001_set_gain(s, s->lna_gain->cur.val, s->mixer_gain->cur.val,
-			s->if_gain->cur.val);
-	if (ret)
-		goto err;
-
-	reg = 6 << 0;
-	reg |= 63 << 4;
-	reg |= 4095 << 10;
-	ret = msi001_wreg(s, reg);
-	if (ret)
-		goto err;
-
-	return 0;
-err:
-	dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
-	return ret;
-};
-
-static int msi001_s_power(struct v4l2_subdev *sd, int on)
-{
-	struct msi001 *s = sd_to_msi001(sd);
-	int ret;
-	dev_dbg(&s->spi->dev, "%s: on=%d\n", __func__, on);
-
-	if (on)
-		ret = 0;
-	else
-		ret = msi001_wreg(s, 0x000000);
-
-	return ret;
-}
-
-static const struct v4l2_subdev_core_ops msi001_core_ops = {
-	.s_power                  = msi001_s_power,
-};
-
-static int msi001_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
-{
-	struct msi001 *s = sd_to_msi001(sd);
-	dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
-
-	strlcpy(v->name, "Mirics MSi001", sizeof(v->name));
-	v->type = V4L2_TUNER_RF;
-	v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
-	v->rangelow =    49000000;
-	v->rangehigh =  960000000;
-
-	return 0;
-}
-
-static int msi001_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *v)
-{
-	struct msi001 *s = sd_to_msi001(sd);
-	dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
-	return 0;
-}
-
-static int msi001_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
-{
-	struct msi001 *s = sd_to_msi001(sd);
-	dev_dbg(&s->spi->dev, "%s: tuner=%d\n", __func__, f->tuner);
-	f->frequency = s->f_tuner;
-	return 0;
-}
-
-static int msi001_s_frequency(struct v4l2_subdev *sd,
-		const struct v4l2_frequency *f)
-{
-	struct msi001 *s = sd_to_msi001(sd);
-	unsigned int band;
-	dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d frequency=%u\n",
-			__func__, f->tuner, f->type, f->frequency);
-
-	if (f->frequency < ((bands[0].rangehigh + bands[1].rangelow) / 2))
-		band = 0;
-	else
-		band = 1;
-	s->f_tuner = clamp_t(unsigned int, f->frequency,
-			bands[band].rangelow, bands[band].rangehigh);
-
-	return msi001_set_tuner(s);
-}
-
-static int msi001_enum_freq_bands(struct v4l2_subdev *sd,
-		struct v4l2_frequency_band *band)
-{
-	struct msi001 *s = sd_to_msi001(sd);
-	dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d index=%d\n",
-			__func__, band->tuner, band->type, band->index);
-
-	if (band->index >= ARRAY_SIZE(bands))
-		return -EINVAL;
-
-	band->capability = bands[band->index].capability;
-	band->rangelow = bands[band->index].rangelow;
-	band->rangehigh = bands[band->index].rangehigh;
-
-	return 0;
-}
-
-static const struct v4l2_subdev_tuner_ops msi001_tuner_ops = {
-	.g_tuner                  = msi001_g_tuner,
-	.s_tuner                  = msi001_s_tuner,
-	.g_frequency              = msi001_g_frequency,
-	.s_frequency              = msi001_s_frequency,
-	.enum_freq_bands          = msi001_enum_freq_bands,
-};
-
-static const struct v4l2_subdev_ops msi001_ops = {
-	.core                     = &msi001_core_ops,
-	.tuner                    = &msi001_tuner_ops,
-};
-
-static int msi001_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct msi001 *s = container_of(ctrl->handler, struct msi001, hdl);
-
-	int ret;
-	dev_dbg(&s->spi->dev,
-			"%s: id=%d name=%s val=%d min=%lld max=%lld step=%lld\n",
-			__func__, ctrl->id, ctrl->name, ctrl->val,
-			ctrl->minimum, ctrl->maximum, ctrl->step);
-
-	switch (ctrl->id) {
-	case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
-	case V4L2_CID_RF_TUNER_BANDWIDTH:
-		ret = msi001_set_tuner(s);
-		break;
-	case  V4L2_CID_RF_TUNER_LNA_GAIN:
-		ret = msi001_set_gain(s, s->lna_gain->val,
-				s->mixer_gain->cur.val, s->if_gain->cur.val);
-		break;
-	case  V4L2_CID_RF_TUNER_MIXER_GAIN:
-		ret = msi001_set_gain(s, s->lna_gain->cur.val,
-				s->mixer_gain->val, s->if_gain->cur.val);
-		break;
-	case  V4L2_CID_RF_TUNER_IF_GAIN:
-		ret = msi001_set_gain(s, s->lna_gain->cur.val,
-				s->mixer_gain->cur.val, s->if_gain->val);
-		break;
-	default:
-		dev_dbg(&s->spi->dev, "%s: unkown control %d\n",
-				__func__, ctrl->id);
-		ret = -EINVAL;
-	}
-
-	return ret;
-}
-
-static const struct v4l2_ctrl_ops msi001_ctrl_ops = {
-	.s_ctrl                   = msi001_s_ctrl,
-};
-
-static int msi001_probe(struct spi_device *spi)
-{
-	struct msi001 *s;
-	int ret;
-	dev_dbg(&spi->dev, "%s:\n", __func__);
-
-	s = kzalloc(sizeof(struct msi001), GFP_KERNEL);
-	if (s == NULL) {
-		ret = -ENOMEM;
-		dev_dbg(&spi->dev, "Could not allocate memory for msi001\n");
-		goto err_kfree;
-	}
-
-	s->spi = spi;
-	s->f_tuner = bands[0].rangelow;
-	v4l2_spi_subdev_init(&s->sd, spi, &msi001_ops);
-
-	/* Register controls */
-	v4l2_ctrl_handler_init(&s->hdl, 5);
-	s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
-			V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
-	s->bandwidth = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
-			V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
-	v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
-	s->lna_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
-			V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);
-	s->mixer_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
-			V4L2_CID_RF_TUNER_MIXER_GAIN, 0, 1, 1, 1);
-	s->if_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
-			V4L2_CID_RF_TUNER_IF_GAIN, 0, 59, 1, 0);
-	if (s->hdl.error) {
-		ret = s->hdl.error;
-		dev_err(&s->spi->dev, "Could not initialize controls\n");
-		/* control init failed, free handler */
-		goto err_ctrl_handler_free;
-	}
-
-	s->sd.ctrl_handler = &s->hdl;
-	return 0;
-
-err_ctrl_handler_free:
-	v4l2_ctrl_handler_free(&s->hdl);
-err_kfree:
-	kfree(s);
-	return ret;
-}
-
-static int msi001_remove(struct spi_device *spi)
-{
-	struct v4l2_subdev *sd = spi_get_drvdata(spi);
-	struct msi001 *s = sd_to_msi001(sd);
-	dev_dbg(&spi->dev, "%s:\n", __func__);
-
-	/*
-	 * Registered by v4l2_spi_new_subdev() from master driver, but we must
-	 * unregister it from here. Weird.
-	 */
-	v4l2_device_unregister_subdev(&s->sd);
-	v4l2_ctrl_handler_free(&s->hdl);
-	kfree(s);
-	return 0;
-}
-
-static const struct spi_device_id msi001_id[] = {
-	{"msi001", 0},
-	{}
-};
-MODULE_DEVICE_TABLE(spi, msi001_id);
-
-static struct spi_driver msi001_driver = {
-	.driver = {
-		.name	= "msi001",
-		.owner	= THIS_MODULE,
-	},
-	.probe		= msi001_probe,
-	.remove		= msi001_remove,
-	.id_table	= msi001_id,
-};
-module_spi_driver(msi001_driver);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Mirics MSi001");
-MODULE_LICENSE("GPL");