[media] msi001: cleanups / renames
Rename state from s to dev. Rename some other things. Fix indentations. Disable driver unbind via sysfs. indentation prevent unload Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
9195e5b246
commit
83e64b4d3f
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@ -36,7 +36,7 @@ static const struct v4l2_frequency_band bands[] = {
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},
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};
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struct msi001 {
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struct msi001_dev {
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struct spi_device *spi;
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struct v4l2_subdev sd;
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@ -51,25 +51,26 @@ struct msi001 {
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unsigned int f_tuner;
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};
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static inline struct msi001 *sd_to_msi001(struct v4l2_subdev *sd)
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static inline struct msi001_dev *sd_to_msi001_dev(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct msi001, sd);
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return container_of(sd, struct msi001_dev, sd);
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}
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static int msi001_wreg(struct msi001 *s, u32 data)
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static int msi001_wreg(struct msi001_dev *dev, u32 data)
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{
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/* Register format: 4 bits addr + 20 bits value */
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return spi_write(s->spi, &data, 3);
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return spi_write(dev->spi, &data, 3);
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};
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static int msi001_set_gain(struct msi001 *s, int lna_gain, int mixer_gain,
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int if_gain)
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static int msi001_set_gain(struct msi001_dev *dev, int lna_gain, int mixer_gain,
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int if_gain)
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{
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struct spi_device *spi = dev->spi;
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int ret;
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u32 reg;
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dev_dbg(&s->spi->dev, "lna=%d mixer=%d if=%d\n",
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lna_gain, mixer_gain, if_gain);
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dev_dbg(&spi->dev, "lna=%d mixer=%d if=%d\n",
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lna_gain, mixer_gain, if_gain);
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reg = 1 << 0;
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reg |= (59 - if_gain) << 4;
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@ -78,18 +79,19 @@ static int msi001_set_gain(struct msi001 *s, int lna_gain, int mixer_gain,
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reg |= (1 - lna_gain) << 13;
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reg |= 4 << 14;
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reg |= 0 << 17;
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ret = msi001_wreg(s, reg);
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ret = msi001_wreg(dev, reg);
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if (ret)
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goto err;
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return 0;
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err:
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dev_dbg(&s->spi->dev, "failed %d\n", ret);
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dev_dbg(&spi->dev, "failed %d\n", ret);
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return ret;
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};
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static int msi001_set_tuner(struct msi001 *s)
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static int msi001_set_tuner(struct msi001_dev *dev)
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{
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struct spi_device *spi = dev->spi;
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int ret, i;
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unsigned int uitmp, div_n, k, k_thresh, k_frac, div_lo, f_if1;
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u32 reg;
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@ -130,7 +132,7 @@ static int msi001_set_tuner(struct msi001 *s)
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{8000000, 0x07}, /* 8 MHz */
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};
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unsigned int f_rf = s->f_tuner;
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unsigned int f_rf = dev->f_tuner;
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/*
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* bandwidth (Hz)
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@ -147,7 +149,7 @@ static int msi001_set_tuner(struct msi001 *s)
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#define DIV_PRE_N 4
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#define F_VCO_STEP div_lo
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dev_dbg(&s->spi->dev, "f_rf=%d f_if=%d\n", f_rf, f_if);
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dev_dbg(&spi->dev, "f_rf=%d f_if=%d\n", f_rf, f_if);
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for (i = 0; i < ARRAY_SIZE(band_lut); i++) {
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if (f_rf <= band_lut[i].rf) {
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@ -156,7 +158,6 @@ static int msi001_set_tuner(struct msi001 *s)
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break;
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}
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}
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if (i == ARRAY_SIZE(band_lut)) {
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ret = -EINVAL;
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goto err;
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@ -174,14 +175,13 @@ static int msi001_set_tuner(struct msi001 *s)
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break;
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}
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}
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if (i == ARRAY_SIZE(if_freq_lut)) {
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ret = -EINVAL;
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goto err;
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}
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/* filters */
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bandwidth = s->bandwidth->val;
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bandwidth = dev->bandwidth->val;
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bandwidth = clamp(bandwidth, 200000U, 8000000U);
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for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
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@ -190,15 +190,14 @@ static int msi001_set_tuner(struct msi001 *s)
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break;
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}
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}
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if (i == ARRAY_SIZE(bandwidth_lut)) {
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ret = -EINVAL;
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goto err;
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}
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s->bandwidth->val = bandwidth_lut[i].freq;
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dev->bandwidth->val = bandwidth_lut[i].freq;
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dev_dbg(&s->spi->dev, "bandwidth selected=%d\n", bandwidth_lut[i].freq);
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dev_dbg(&spi->dev, "bandwidth selected=%d\n", bandwidth_lut[i].freq);
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/*
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* Fractional-N synthesizer
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@ -237,15 +236,15 @@ static int msi001_set_tuner(struct msi001 *s)
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uitmp += (unsigned int) F_REF * DIV_PRE_N * k_frac / k_thresh;
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uitmp /= div_lo;
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dev_dbg(&s->spi->dev,
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dev_dbg(&spi->dev,
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"f_rf=%u:%u f_vco=%llu div_n=%u k_thresh=%u k_frac=%u div_lo=%u\n",
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f_rf, uitmp, f_vco, div_n, k_thresh, k_frac, div_lo);
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ret = msi001_wreg(s, 0x00000e);
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ret = msi001_wreg(dev, 0x00000e);
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if (ret)
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goto err;
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ret = msi001_wreg(s, 0x000003);
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ret = msi001_wreg(dev, 0x000003);
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if (ret)
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goto err;
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@ -255,7 +254,7 @@ static int msi001_set_tuner(struct msi001 *s)
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reg |= bandwidth << 14;
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reg |= 0x02 << 17;
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reg |= 0x00 << 20;
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ret = msi001_wreg(s, reg);
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ret = msi001_wreg(dev, reg);
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if (ret)
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goto err;
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@ -263,46 +262,47 @@ static int msi001_set_tuner(struct msi001 *s)
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reg |= k_thresh << 4;
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reg |= 1 << 19;
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reg |= 1 << 21;
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ret = msi001_wreg(s, reg);
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ret = msi001_wreg(dev, reg);
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if (ret)
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goto err;
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reg = 2 << 0;
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reg |= k_frac << 4;
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reg |= div_n << 16;
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ret = msi001_wreg(s, reg);
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ret = msi001_wreg(dev, reg);
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if (ret)
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goto err;
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ret = msi001_set_gain(s, s->lna_gain->cur.val, s->mixer_gain->cur.val,
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s->if_gain->cur.val);
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ret = msi001_set_gain(dev, dev->lna_gain->cur.val,
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dev->mixer_gain->cur.val, dev->if_gain->cur.val);
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if (ret)
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goto err;
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reg = 6 << 0;
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reg |= 63 << 4;
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reg |= 4095 << 10;
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ret = msi001_wreg(s, reg);
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ret = msi001_wreg(dev, reg);
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if (ret)
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goto err;
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return 0;
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err:
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dev_dbg(&s->spi->dev, "failed %d\n", ret);
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dev_dbg(&spi->dev, "failed %d\n", ret);
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return ret;
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}
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static int msi001_s_power(struct v4l2_subdev *sd, int on)
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{
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struct msi001 *s = sd_to_msi001(sd);
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struct msi001_dev *dev = sd_to_msi001_dev(sd);
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struct spi_device *spi = dev->spi;
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int ret;
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dev_dbg(&s->spi->dev, "on=%d\n", on);
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dev_dbg(&spi->dev, "on=%d\n", on);
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if (on)
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ret = 0;
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else
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ret = msi001_wreg(s, 0x000000);
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ret = msi001_wreg(dev, 0x000000);
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return ret;
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}
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@ -313,9 +313,10 @@ static const struct v4l2_subdev_core_ops msi001_core_ops = {
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static int msi001_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
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{
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struct msi001 *s = sd_to_msi001(sd);
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struct msi001_dev *dev = sd_to_msi001_dev(sd);
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struct spi_device *spi = dev->spi;
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dev_dbg(&s->spi->dev, "index=%d\n", v->index);
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dev_dbg(&spi->dev, "index=%d\n", v->index);
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strlcpy(v->name, "Mirics MSi001", sizeof(v->name));
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v->type = V4L2_TUNER_RF;
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@ -328,47 +329,51 @@ static int msi001_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
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static int msi001_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *v)
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{
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struct msi001 *s = sd_to_msi001(sd);
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struct msi001_dev *dev = sd_to_msi001_dev(sd);
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struct spi_device *spi = dev->spi;
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dev_dbg(&s->spi->dev, "index=%d\n", v->index);
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dev_dbg(&spi->dev, "index=%d\n", v->index);
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return 0;
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}
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static int msi001_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
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{
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struct msi001 *s = sd_to_msi001(sd);
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struct msi001_dev *dev = sd_to_msi001_dev(sd);
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struct spi_device *spi = dev->spi;
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dev_dbg(&s->spi->dev, "tuner=%d\n", f->tuner);
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f->frequency = s->f_tuner;
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dev_dbg(&spi->dev, "tuner=%d\n", f->tuner);
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f->frequency = dev->f_tuner;
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return 0;
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}
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static int msi001_s_frequency(struct v4l2_subdev *sd,
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const struct v4l2_frequency *f)
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const struct v4l2_frequency *f)
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{
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struct msi001 *s = sd_to_msi001(sd);
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struct msi001_dev *dev = sd_to_msi001_dev(sd);
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struct spi_device *spi = dev->spi;
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unsigned int band;
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dev_dbg(&s->spi->dev, "tuner=%d type=%d frequency=%u\n",
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f->tuner, f->type, f->frequency);
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dev_dbg(&spi->dev, "tuner=%d type=%d frequency=%u\n",
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f->tuner, f->type, f->frequency);
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if (f->frequency < ((bands[0].rangehigh + bands[1].rangelow) / 2))
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band = 0;
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else
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band = 1;
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s->f_tuner = clamp_t(unsigned int, f->frequency,
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bands[band].rangelow, bands[band].rangehigh);
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dev->f_tuner = clamp_t(unsigned int, f->frequency,
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bands[band].rangelow, bands[band].rangehigh);
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return msi001_set_tuner(s);
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return msi001_set_tuner(dev);
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}
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static int msi001_enum_freq_bands(struct v4l2_subdev *sd,
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struct v4l2_frequency_band *band)
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struct v4l2_frequency_band *band)
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{
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struct msi001 *s = sd_to_msi001(sd);
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struct msi001_dev *dev = sd_to_msi001_dev(sd);
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struct spi_device *spi = dev->spi;
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dev_dbg(&s->spi->dev, "tuner=%d type=%d index=%d\n",
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band->tuner, band->type, band->index);
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dev_dbg(&spi->dev, "tuner=%d type=%d index=%d\n",
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band->tuner, band->type, band->index);
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if (band->index >= ARRAY_SIZE(bands))
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return -EINVAL;
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@ -395,34 +400,37 @@ static const struct v4l2_subdev_ops msi001_ops = {
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static int msi001_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct msi001 *s = container_of(ctrl->handler, struct msi001, hdl);
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struct msi001_dev *dev = container_of(ctrl->handler, struct msi001_dev, hdl);
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struct spi_device *spi = dev->spi;
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int ret;
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dev_dbg(&s->spi->dev,
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"id=%d name=%s val=%d min=%lld max=%lld step=%lld\n",
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ctrl->id, ctrl->name, ctrl->val,
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ctrl->minimum, ctrl->maximum, ctrl->step);
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dev_dbg(&spi->dev, "id=%d name=%s val=%d min=%lld max=%lld step=%lld\n",
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ctrl->id, ctrl->name, ctrl->val, ctrl->minimum, ctrl->maximum,
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ctrl->step);
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switch (ctrl->id) {
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case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
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case V4L2_CID_RF_TUNER_BANDWIDTH:
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ret = msi001_set_tuner(s);
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ret = msi001_set_tuner(dev);
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break;
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case V4L2_CID_RF_TUNER_LNA_GAIN:
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ret = msi001_set_gain(s, s->lna_gain->val,
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s->mixer_gain->cur.val, s->if_gain->cur.val);
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ret = msi001_set_gain(dev, dev->lna_gain->val,
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dev->mixer_gain->cur.val,
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dev->if_gain->cur.val);
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break;
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case V4L2_CID_RF_TUNER_MIXER_GAIN:
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ret = msi001_set_gain(s, s->lna_gain->cur.val,
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s->mixer_gain->val, s->if_gain->cur.val);
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ret = msi001_set_gain(dev, dev->lna_gain->cur.val,
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dev->mixer_gain->val,
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dev->if_gain->cur.val);
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break;
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case V4L2_CID_RF_TUNER_IF_GAIN:
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ret = msi001_set_gain(s, s->lna_gain->cur.val,
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s->mixer_gain->cur.val, s->if_gain->val);
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ret = msi001_set_gain(dev, dev->lna_gain->cur.val,
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dev->mixer_gain->cur.val,
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dev->if_gain->val);
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break;
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default:
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dev_dbg(&s->spi->dev, "unknown control %d\n", ctrl->id);
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dev_dbg(&spi->dev, "unknown control %d\n", ctrl->id);
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ret = -EINVAL;
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}
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@ -435,56 +443,54 @@ static const struct v4l2_ctrl_ops msi001_ctrl_ops = {
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static int msi001_probe(struct spi_device *spi)
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{
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struct msi001 *s;
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struct msi001_dev *dev;
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int ret;
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dev_dbg(&spi->dev, "\n");
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s = kzalloc(sizeof(struct msi001), GFP_KERNEL);
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if (s == NULL) {
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dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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if (!dev) {
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ret = -ENOMEM;
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dev_dbg(&spi->dev, "Could not allocate memory for msi001\n");
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goto err_kfree;
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goto err;
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}
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s->spi = spi;
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s->f_tuner = bands[0].rangelow;
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v4l2_spi_subdev_init(&s->sd, spi, &msi001_ops);
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dev->spi = spi;
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dev->f_tuner = bands[0].rangelow;
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v4l2_spi_subdev_init(&dev->sd, spi, &msi001_ops);
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/* Register controls */
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v4l2_ctrl_handler_init(&s->hdl, 5);
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s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
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v4l2_ctrl_handler_init(&dev->hdl, 5);
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dev->bandwidth_auto = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
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V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
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s->bandwidth = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
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dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
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V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
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v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
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s->lna_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
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v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false);
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dev->lna_gain = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
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V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);
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s->mixer_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
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dev->mixer_gain = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
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V4L2_CID_RF_TUNER_MIXER_GAIN, 0, 1, 1, 1);
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s->if_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
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dev->if_gain = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
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V4L2_CID_RF_TUNER_IF_GAIN, 0, 59, 1, 0);
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if (s->hdl.error) {
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ret = s->hdl.error;
|
||||
dev_err(&s->spi->dev, "Could not initialize controls\n");
|
||||
if (dev->hdl.error) {
|
||||
ret = dev->hdl.error;
|
||||
dev_err(&spi->dev, "Could not initialize controls\n");
|
||||
/* control init failed, free handler */
|
||||
goto err_ctrl_handler_free;
|
||||
}
|
||||
|
||||
s->sd.ctrl_handler = &s->hdl;
|
||||
dev->sd.ctrl_handler = &dev->hdl;
|
||||
return 0;
|
||||
|
||||
err_ctrl_handler_free:
|
||||
v4l2_ctrl_handler_free(&s->hdl);
|
||||
err_kfree:
|
||||
kfree(s);
|
||||
v4l2_ctrl_handler_free(&dev->hdl);
|
||||
kfree(dev);
|
||||
err:
|
||||
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);
|
||||
struct msi001_dev *dev = sd_to_msi001_dev(sd);
|
||||
|
||||
dev_dbg(&spi->dev, "\n");
|
||||
|
||||
|
|
@ -492,26 +498,27 @@ static int msi001_remove(struct spi_device *spi)
|
|||
* 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);
|
||||
v4l2_device_unregister_subdev(&dev->sd);
|
||||
v4l2_ctrl_handler_free(&dev->hdl);
|
||||
kfree(dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct spi_device_id msi001_id[] = {
|
||||
static const struct spi_device_id msi001_id_table[] = {
|
||||
{"msi001", 0},
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(spi, msi001_id);
|
||||
MODULE_DEVICE_TABLE(spi, msi001_id_table);
|
||||
|
||||
static struct spi_driver msi001_driver = {
|
||||
.driver = {
|
||||
.name = "msi001",
|
||||
.owner = THIS_MODULE,
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = msi001_probe,
|
||||
.remove = msi001_remove,
|
||||
.id_table = msi001_id,
|
||||
.id_table = msi001_id_table,
|
||||
};
|
||||
module_spi_driver(msi001_driver);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue