forked from Minki/linux
[media] mn88472: rename state to dev
Rename state to dev. 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
5ef1ad351c
commit
0186e434a7
@ -19,7 +19,7 @@
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static struct dvb_frontend_ops mn88472_ops;
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/* write multiple registers */
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static int mn88472_wregs(struct mn88472_state *s, u16 reg, const u8 *val, int len)
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static int mn88472_wregs(struct mn88472_dev *dev, u16 reg, const u8 *val, int len)
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{
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#define MAX_WR_LEN 21
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#define MAX_WR_XFER_LEN (MAX_WR_LEN + 1)
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@ -40,11 +40,11 @@ static int mn88472_wregs(struct mn88472_state *s, u16 reg, const u8 *val, int le
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buf[0] = (reg >> 0) & 0xff;
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memcpy(&buf[1], val, len);
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ret = i2c_transfer(s->i2c, msg, 1);
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ret = i2c_transfer(dev->i2c, msg, 1);
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if (ret == 1) {
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ret = 0;
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} else {
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dev_warn(&s->i2c->dev,
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dev_warn(&dev->i2c->dev,
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"%s: i2c wr failed=%d reg=%02x len=%d\n",
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KBUILD_MODNAME, ret, reg, len);
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ret = -EREMOTEIO;
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@ -54,7 +54,7 @@ static int mn88472_wregs(struct mn88472_state *s, u16 reg, const u8 *val, int le
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}
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/* read multiple registers */
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static int mn88472_rregs(struct mn88472_state *s, u16 reg, u8 *val, int len)
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static int mn88472_rregs(struct mn88472_dev *dev, u16 reg, u8 *val, int len)
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{
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#define MAX_RD_LEN 2
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#define MAX_RD_XFER_LEN (MAX_RD_LEN)
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@ -79,12 +79,12 @@ static int mn88472_rregs(struct mn88472_state *s, u16 reg, u8 *val, int len)
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buf[0] = (reg >> 0) & 0xff;
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ret = i2c_transfer(s->i2c, msg, 2);
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ret = i2c_transfer(dev->i2c, msg, 2);
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if (ret == 2) {
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memcpy(val, buf, len);
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ret = 0;
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} else {
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dev_warn(&s->i2c->dev,
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dev_warn(&dev->i2c->dev,
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"%s: i2c rd failed=%d reg=%02x len=%d\n",
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KBUILD_MODNAME, ret, reg, len);
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ret = -EREMOTEIO;
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@ -94,15 +94,15 @@ static int mn88472_rregs(struct mn88472_state *s, u16 reg, u8 *val, int len)
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}
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/* write single register */
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static int mn88472_wreg(struct mn88472_state *s, u16 reg, u8 val)
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static int mn88472_wreg(struct mn88472_dev *dev, u16 reg, u8 val)
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{
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return mn88472_wregs(s, reg, &val, 1);
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return mn88472_wregs(dev, reg, &val, 1);
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}
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/* read single register */
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static int mn88472_rreg(struct mn88472_state *s, u16 reg, u8 *val)
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static int mn88472_rreg(struct mn88472_dev *dev, u16 reg, u8 *val)
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{
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return mn88472_rregs(s, reg, val, 1);
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return mn88472_rregs(dev, reg, val, 1);
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}
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static int mn88472_get_tune_settings(struct dvb_frontend *fe,
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@ -114,16 +114,16 @@ static int mn88472_get_tune_settings(struct dvb_frontend *fe,
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static int mn88472_set_frontend(struct dvb_frontend *fe)
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{
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struct mn88472_state *s = fe->demodulator_priv;
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struct mn88472_dev *dev = fe->demodulator_priv;
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int ret;
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u32 if_frequency = 0;
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dev_dbg(&s->i2c->dev,
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dev_dbg(&dev->i2c->dev,
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"%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
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__func__, c->delivery_system, c->modulation,
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c->frequency, c->symbol_rate, c->inversion);
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if (!s->warm) {
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if (!dev->warm) {
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ret = -EAGAIN;
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goto err;
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}
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@ -140,96 +140,96 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
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if (ret)
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goto err;
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dev_dbg(&s->i2c->dev, "%s: get_if_frequency=%d\n",
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dev_dbg(&dev->i2c->dev, "%s: get_if_frequency=%d\n",
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__func__, if_frequency);
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}
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if (if_frequency != 5070000) {
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dev_err(&s->i2c->dev, "%s: IF frequency %d not supported\n",
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dev_err(&dev->i2c->dev, "%s: IF frequency %d not supported\n",
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KBUILD_MODNAME, if_frequency);
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ret = -EINVAL;
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goto err;
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}
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ret = mn88472_wregs(s, 0x1c08, "\x1d", 1);
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ret = mn88472_wregs(dev, 0x1c08, "\x1d", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18d9, "\xe3", 1);
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ret = mn88472_wregs(dev, 0x18d9, "\xe3", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1c83, "\x01", 1);
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ret = mn88472_wregs(dev, 0x1c83, "\x01", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1c00, "\x66\x00\x01\x04\x00", 5);
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ret = mn88472_wregs(dev, 0x1c00, "\x66\x00\x01\x04\x00", 5);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1c10,
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ret = mn88472_wregs(dev, 0x1c10,
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"\x3f\x50\x2c\x8f\x80\x00\x08\xee\x08\xee", 10);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1846, "\x00", 1);
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ret = mn88472_wregs(dev, 0x1846, "\x00", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18ae, "\x00", 1);
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ret = mn88472_wregs(dev, 0x18ae, "\x00", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18b0, "\x0b", 1);
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ret = mn88472_wregs(dev, 0x18b0, "\x0b", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18b4, "\x00", 1);
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ret = mn88472_wregs(dev, 0x18b4, "\x00", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18cd, "\x17", 1);
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ret = mn88472_wregs(dev, 0x18cd, "\x17", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18d4, "\x09", 1);
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ret = mn88472_wregs(dev, 0x18d4, "\x09", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x18d6, "\x48", 1);
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ret = mn88472_wregs(dev, 0x18d6, "\x48", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1a00, "\xb0", 1);
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ret = mn88472_wregs(dev, 0x1a00, "\xb0", 1);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1cf8, "\x9f", 1);
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ret = mn88472_wregs(dev, 0x1cf8, "\x9f", 1);
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if (ret)
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goto err;
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s->delivery_system = c->delivery_system;
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dev->delivery_system = c->delivery_system;
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return 0;
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err:
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dev_dbg(&s->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status)
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{
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struct mn88472_state *s = fe->demodulator_priv;
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struct mn88472_dev *dev = fe->demodulator_priv;
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int ret;
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u8 u8tmp;
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*status = 0;
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if (!s->warm) {
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if (!dev->warm) {
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ret = -EAGAIN;
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goto err;
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}
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ret = mn88472_rreg(s, 0x1a84, &u8tmp);
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ret = mn88472_rreg(dev, 0x1a84, &u8tmp);
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if (ret)
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goto err;
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@ -239,62 +239,62 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status)
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return 0;
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err:
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dev_dbg(&s->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static int mn88472_init(struct dvb_frontend *fe)
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{
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struct mn88472_state *s = fe->demodulator_priv;
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struct mn88472_dev *dev = fe->demodulator_priv;
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int ret, len, remaining;
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const struct firmware *fw = NULL;
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u8 *fw_file = MN88472_FIRMWARE;
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dev_dbg(&s->i2c->dev, "%s:\n", __func__);
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dev_dbg(&dev->i2c->dev, "%s:\n", __func__);
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/* set cold state by default */
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s->warm = false;
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dev->warm = false;
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/* power on */
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ret = mn88472_wreg(s, 0x1c05, 0x00);
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ret = mn88472_wreg(dev, 0x1c05, 0x00);
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if (ret)
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goto err;
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ret = mn88472_wregs(s, 0x1c0b, "\x00\x00", 2);
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ret = mn88472_wregs(dev, 0x1c0b, "\x00\x00", 2);
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if (ret)
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goto err;
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/* request the firmware, this will block and timeout */
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ret = request_firmware(&fw, fw_file, s->i2c->dev.parent);
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ret = request_firmware(&fw, fw_file, dev->i2c->dev.parent);
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if (ret) {
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dev_err(&s->i2c->dev, "%s: firmare file '%s' not found\n",
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dev_err(&dev->i2c->dev, "%s: firmare file '%s' not found\n",
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KBUILD_MODNAME, fw_file);
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goto err;
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}
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dev_info(&s->i2c->dev, "%s: downloading firmware from file '%s'\n",
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dev_info(&dev->i2c->dev, "%s: downloading firmware from file '%s'\n",
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KBUILD_MODNAME, fw_file);
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ret = mn88472_wreg(s, 0x18f5, 0x03);
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ret = mn88472_wreg(dev, 0x18f5, 0x03);
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if (ret)
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goto err;
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for (remaining = fw->size; remaining > 0;
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remaining -= (s->cfg->i2c_wr_max - 1)) {
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remaining -= (dev->cfg->i2c_wr_max - 1)) {
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len = remaining;
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if (len > (s->cfg->i2c_wr_max - 1))
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len = (s->cfg->i2c_wr_max - 1);
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if (len > (dev->cfg->i2c_wr_max - 1))
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len = (dev->cfg->i2c_wr_max - 1);
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ret = mn88472_wregs(s, 0x18f6,
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ret = mn88472_wregs(dev, 0x18f6,
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&fw->data[fw->size - remaining], len);
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if (ret) {
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dev_err(&s->i2c->dev,
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dev_err(&dev->i2c->dev,
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"%s: firmware download failed=%d\n",
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KBUILD_MODNAME, ret);
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goto err;
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}
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}
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ret = mn88472_wreg(s, 0x18f5, 0x00);
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ret = mn88472_wreg(dev, 0x18f5, 0x00);
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if (ret)
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goto err;
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@ -302,78 +302,79 @@ static int mn88472_init(struct dvb_frontend *fe)
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fw = NULL;
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/* warm state */
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s->warm = true;
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dev->warm = true;
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return 0;
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err:
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if (fw)
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release_firmware(fw);
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dev_dbg(&s->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static int mn88472_sleep(struct dvb_frontend *fe)
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{
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struct mn88472_state *s = fe->demodulator_priv;
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struct mn88472_dev *dev = fe->demodulator_priv;
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int ret;
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dev_dbg(&s->i2c->dev, "%s:\n", __func__);
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dev_dbg(&dev->i2c->dev, "%s:\n", __func__);
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/* power off */
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ret = mn88472_wreg(s, 0x1c0b, 0x30);
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ret = mn88472_wreg(dev, 0x1c0b, 0x30);
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if (ret)
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goto err;
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ret = mn88472_wreg(s, 0x1c05, 0x3e);
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ret = mn88472_wreg(dev, 0x1c05, 0x3e);
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if (ret)
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goto err;
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s->delivery_system = SYS_UNDEFINED;
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dev->delivery_system = SYS_UNDEFINED;
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return 0;
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err:
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dev_dbg(&s->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static void mn88472_release(struct dvb_frontend *fe)
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{
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struct mn88472_state *s = fe->demodulator_priv;
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kfree(s);
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struct mn88472_dev *dev = fe->demodulator_priv;
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kfree(dev);
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}
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struct dvb_frontend *mn88472_attach(const struct mn88472_config *cfg,
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struct i2c_adapter *i2c)
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{
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int ret;
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struct mn88472_state *s;
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struct mn88472_dev *dev;
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u8 u8tmp;
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dev_dbg(&i2c->dev, "%s:\n", __func__);
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/* allocate memory for the internal state */
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s = kzalloc(sizeof(struct mn88472_state), GFP_KERNEL);
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if (!s) {
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dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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if (dev == NULL) {
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ret = -ENOMEM;
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dev_err(&i2c->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
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goto err;
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}
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s->cfg = cfg;
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s->i2c = i2c;
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dev->cfg = cfg;
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dev->i2c = i2c;
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/* check demod responds to I2C */
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ret = mn88472_rreg(s, 0x1c00, &u8tmp);
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ret = mn88472_rreg(dev, 0x1c00, &u8tmp);
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if (ret)
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goto err;
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/* create dvb_frontend */
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memcpy(&s->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
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s->fe.demodulator_priv = s;
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memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
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dev->fe.demodulator_priv = dev;
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return &s->fe;
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return &dev->fe;
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err:
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dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
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kfree(s);
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kfree(dev);
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return NULL;
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}
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EXPORT_SYMBOL(mn88472_attach);
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@ -25,7 +25,7 @@
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#define MN88472_FIRMWARE "dvb-demod-mn88472-02.fw"
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struct mn88472_state {
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struct mn88472_dev {
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struct i2c_adapter *i2c;
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const struct mn88472_config *cfg;
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struct dvb_frontend fe;
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