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[media] af9013: add i2c client bindings
Add kernel i2c driver bindings. That allows dev_* logging, regmap and more. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
a4e2b6fe0e
commit
82d1ce3eba
@ -24,9 +24,8 @@
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#define MAX_XFER_SIZE 64
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struct af9013_state {
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struct i2c_adapter *i2c;
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struct i2c_client *client;
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struct dvb_frontend fe;
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u8 i2c_addr;
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u32 clk;
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u8 tuner;
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u32 if_frequency;
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@ -59,7 +58,7 @@ static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
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u8 buf[MAX_XFER_SIZE];
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struct i2c_msg msg[1] = {
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{
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.addr = priv->i2c_addr,
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.addr = priv->client->addr,
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.flags = 0,
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.len = 3 + len,
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.buf = buf,
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@ -67,7 +66,7 @@ static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
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};
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if (3 + len > sizeof(buf)) {
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dev_warn(&priv->i2c->dev,
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dev_warn(&priv->client->dev,
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"%s: i2c wr reg=%04x: len=%d is too big!\n",
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KBUILD_MODNAME, reg, len);
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return -EINVAL;
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@ -78,11 +77,11 @@ static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
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buf[2] = mbox;
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memcpy(&buf[3], val, len);
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ret = i2c_transfer(priv->i2c, msg, 1);
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ret = i2c_transfer(priv->client->adapter, 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(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%04x " \
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dev_warn(&priv->client->dev, "%s: i2c wr failed=%d reg=%04x " \
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"len=%d\n", KBUILD_MODNAME, ret, reg, len);
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ret = -EREMOTEIO;
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}
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@ -97,12 +96,12 @@ static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
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u8 buf[3];
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struct i2c_msg msg[2] = {
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{
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.addr = priv->i2c_addr,
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.addr = priv->client->addr,
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.flags = 0,
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.len = 3,
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.buf = buf,
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}, {
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.addr = priv->i2c_addr,
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.addr = priv->client->addr,
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.flags = I2C_M_RD,
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.len = len,
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.buf = val,
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@ -113,11 +112,11 @@ static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
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buf[1] = (reg >> 0) & 0xff;
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buf[2] = mbox;
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ret = i2c_transfer(priv->i2c, msg, 2);
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ret = i2c_transfer(priv->client->adapter, msg, 2);
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if (ret == 2) {
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ret = 0;
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} else {
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dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \
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dev_warn(&priv->client->dev, "%s: i2c rd failed=%d reg=%04x " \
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"len=%d\n", KBUILD_MODNAME, ret, reg, len);
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ret = -EREMOTEIO;
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}
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@ -231,7 +230,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
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u8 pos;
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u16 addr;
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dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n",
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dev_dbg(&state->client->dev, "%s: gpio=%d gpioval=%02x\n",
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__func__, gpio, gpioval);
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/*
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@ -250,7 +249,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
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break;
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default:
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dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n",
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dev_err(&state->client->dev, "%s: invalid gpio=%d\n",
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KBUILD_MODNAME, gpio);
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ret = -EINVAL;
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goto err;
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@ -274,7 +273,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -282,7 +281,7 @@ static u32 af9013_div(struct af9013_state *state, u32 a, u32 b, u32 x)
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{
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u32 r = 0, c = 0, i;
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dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
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dev_dbg(&state->client->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
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if (a > b) {
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c = a / b;
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@ -299,7 +298,7 @@ static u32 af9013_div(struct af9013_state *state, u32 a, u32 b, u32 x)
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}
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r = (c << (u32)x) + r;
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dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
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dev_dbg(&state->client->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
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__func__, a, b, x, r, r);
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return r;
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@ -310,7 +309,7 @@ static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
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int ret, i;
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u8 tmp;
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dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
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dev_dbg(&state->client->dev, "%s: onoff=%d\n", __func__, onoff);
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/* enable reset */
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ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
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@ -355,7 +354,7 @@ static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -364,7 +363,7 @@ static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
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struct af9013_state *state = fe->demodulator_priv;
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int ret;
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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/* reset and start BER counter */
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ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
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@ -373,7 +372,7 @@ static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -383,7 +382,7 @@ static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
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int ret;
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u8 buf[5];
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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/* check if error bit count is ready */
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ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
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@ -391,7 +390,7 @@ static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
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goto err;
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if (!buf[0]) {
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dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
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dev_dbg(&state->client->dev, "%s: not ready\n", __func__);
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return 0;
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}
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@ -404,7 +403,7 @@ static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -413,7 +412,7 @@ static int af9013_statistics_snr_start(struct dvb_frontend *fe)
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struct af9013_state *state = fe->demodulator_priv;
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int ret;
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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/* start SNR meas */
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ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
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@ -422,7 +421,7 @@ static int af9013_statistics_snr_start(struct dvb_frontend *fe)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -434,7 +433,7 @@ static int af9013_statistics_snr_result(struct dvb_frontend *fe)
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u32 snr_val;
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const struct af9013_snr *uninitialized_var(snr_lut);
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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/* check if SNR ready */
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ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
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@ -442,7 +441,7 @@ static int af9013_statistics_snr_result(struct dvb_frontend *fe)
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goto err;
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if (!tmp) {
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dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
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dev_dbg(&state->client->dev, "%s: not ready\n", __func__);
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return 0;
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}
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@ -485,7 +484,7 @@ static int af9013_statistics_snr_result(struct dvb_frontend *fe)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -496,7 +495,7 @@ static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
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u8 buf[2], rf_gain, if_gain;
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int signal_strength;
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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if (!state->signal_strength_en)
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return 0;
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@ -522,7 +521,7 @@ static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -593,7 +592,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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u8 buf[6];
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u32 if_frequency, freq_cw;
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dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
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dev_dbg(&state->client->dev, "%s: frequency=%d bandwidth_hz=%d\n",
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__func__, c->frequency, c->bandwidth_hz);
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/* program tuner */
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@ -627,7 +626,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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else
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if_frequency = state->if_frequency;
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dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n",
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dev_dbg(&state->client->dev, "%s: if_frequency=%d\n",
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__func__, if_frequency);
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sampling_freq = if_frequency;
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@ -701,7 +700,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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buf[0] |= (1 << 0);
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n",
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dev_dbg(&state->client->dev, "%s: invalid transmission_mode\n",
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__func__);
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auto_mode = true;
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}
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@ -722,7 +721,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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buf[0] |= (3 << 2);
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid guard_interval\n",
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dev_dbg(&state->client->dev, "%s: invalid guard_interval\n",
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__func__);
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auto_mode = true;
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}
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@ -743,7 +742,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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buf[0] |= (3 << 4);
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__);
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dev_dbg(&state->client->dev, "%s: invalid hierarchy\n", __func__);
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auto_mode = true;
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}
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@ -760,7 +759,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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buf[1] |= (2 << 6);
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__);
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dev_dbg(&state->client->dev, "%s: invalid modulation\n", __func__);
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auto_mode = true;
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}
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@ -786,7 +785,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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buf[2] |= (4 << 0);
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid code_rate_HP\n",
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dev_dbg(&state->client->dev, "%s: invalid code_rate_HP\n",
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__func__);
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auto_mode = true;
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}
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@ -812,7 +811,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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case FEC_NONE:
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid code_rate_LP\n",
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dev_dbg(&state->client->dev, "%s: invalid code_rate_LP\n",
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__func__);
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auto_mode = true;
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}
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@ -827,7 +826,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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buf[1] |= (2 << 2);
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break;
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default:
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dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
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dev_dbg(&state->client->dev, "%s: invalid bandwidth_hz\n",
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__func__);
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ret = -EINVAL;
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goto err;
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@ -843,7 +842,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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if (ret)
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goto err;
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dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__);
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dev_dbg(&state->client->dev, "%s: auto params\n", __func__);
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} else {
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/* set easy mode flag */
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ret = af9013_wr_reg(state, 0xaefd, 1);
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@ -854,7 +853,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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if (ret)
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goto err;
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dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__);
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dev_dbg(&state->client->dev, "%s: manual params\n", __func__);
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}
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/* tune */
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@ -868,7 +867,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -879,7 +878,7 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
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int ret;
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u8 buf[3];
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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ret = af9013_rd_regs(state, 0xd3c0, buf, 3);
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if (ret)
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@ -985,7 +984,7 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -1035,7 +1034,7 @@ static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
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return ret;
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err:
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dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -1075,7 +1074,7 @@ static int af9013_init(struct dvb_frontend *fe)
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u32 adc_cw;
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const struct af9013_reg_bit *init;
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dev_dbg(&state->i2c->dev, "%s:\n", __func__);
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dev_dbg(&state->client->dev, "%s:\n", __func__);
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/* power on */
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ret = af9013_power_ctrl(state, 1);
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@ -1107,7 +1106,7 @@ static int af9013_init(struct dvb_frontend *fe)
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tmp = 3;
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break;
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default:
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dev_err(&state->i2c->dev, "%s: invalid clock\n",
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dev_err(&state->client->dev, "%s: invalid clock\n",
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KBUILD_MODNAME);
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return -EINVAL;
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}
|
||||
@ -1168,7 +1167,7 @@ static int af9013_init(struct dvb_frontend *fe)
|
||||
goto err;
|
||||
|
||||
/* load OFSM settings */
|
||||
dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
|
||||
dev_dbg(&state->client->dev, "%s: load ofsm settings\n", __func__);
|
||||
len = ARRAY_SIZE(ofsm_init);
|
||||
init = ofsm_init;
|
||||
for (i = 0; i < len; i++) {
|
||||
@ -1179,7 +1178,7 @@ static int af9013_init(struct dvb_frontend *fe)
|
||||
}
|
||||
|
||||
/* load tuner specific settings */
|
||||
dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
|
||||
dev_dbg(&state->client->dev, "%s: load tuner specific settings\n",
|
||||
__func__);
|
||||
switch (state->tuner) {
|
||||
case AF9013_TUNER_MXL5003D:
|
||||
@ -1291,7 +1290,7 @@ static int af9013_init(struct dvb_frontend *fe)
|
||||
|
||||
return ret;
|
||||
err:
|
||||
dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -1300,7 +1299,7 @@ static int af9013_sleep(struct dvb_frontend *fe)
|
||||
struct af9013_state *state = fe->demodulator_priv;
|
||||
int ret;
|
||||
|
||||
dev_dbg(&state->i2c->dev, "%s:\n", __func__);
|
||||
dev_dbg(&state->client->dev, "%s:\n", __func__);
|
||||
|
||||
/* stop statistics polling */
|
||||
cancel_delayed_work_sync(&state->statistics_work);
|
||||
@ -1317,7 +1316,7 @@ static int af9013_sleep(struct dvb_frontend *fe)
|
||||
|
||||
return ret;
|
||||
err:
|
||||
dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -1326,7 +1325,7 @@ static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
|
||||
int ret;
|
||||
struct af9013_state *state = fe->demodulator_priv;
|
||||
|
||||
dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);
|
||||
dev_dbg(&state->client->dev, "%s: enable=%d\n", __func__, enable);
|
||||
|
||||
/* gate already open or close */
|
||||
if (state->i2c_gate_state == enable)
|
||||
@ -1343,18 +1342,16 @@ static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
|
||||
|
||||
return ret;
|
||||
err:
|
||||
dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
|
||||
dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void af9013_release(struct dvb_frontend *fe)
|
||||
{
|
||||
struct af9013_state *state = fe->demodulator_priv;
|
||||
struct i2c_client *client = state->client;
|
||||
|
||||
/* stop statistics polling */
|
||||
cancel_delayed_work_sync(&state->statistics_work);
|
||||
|
||||
kfree(state);
|
||||
i2c_unregister_device(client);
|
||||
}
|
||||
|
||||
static const struct dvb_frontend_ops af9013_ops;
|
||||
@ -1374,27 +1371,27 @@ static int af9013_download_firmware(struct af9013_state *state)
|
||||
if (ret)
|
||||
goto err;
|
||||
else
|
||||
dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
|
||||
dev_dbg(&state->client->dev, "%s: firmware status=%02x\n",
|
||||
__func__, val);
|
||||
|
||||
if (val == 0x0c) /* fw is running, no need for download */
|
||||
goto exit;
|
||||
|
||||
dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \
|
||||
dev_info(&state->client->dev, "%s: found a '%s' in cold state, will try " \
|
||||
"to load a firmware\n",
|
||||
KBUILD_MODNAME, af9013_ops.info.name);
|
||||
|
||||
/* request the firmware, this will block and timeout */
|
||||
ret = request_firmware(&fw, fw_file, state->i2c->dev.parent);
|
||||
ret = request_firmware(&fw, fw_file, &state->client->dev);
|
||||
if (ret) {
|
||||
dev_info(&state->i2c->dev, "%s: did not find the firmware " \
|
||||
dev_info(&state->client->dev, "%s: did not find the firmware " \
|
||||
"file. (%s) Please see linux/Documentation/dvb/ for " \
|
||||
"more details on firmware-problems. (%d)\n",
|
||||
KBUILD_MODNAME, fw_file, ret);
|
||||
goto err;
|
||||
}
|
||||
|
||||
dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n",
|
||||
dev_info(&state->client->dev, "%s: downloading firmware from file '%s'\n",
|
||||
KBUILD_MODNAME, fw_file);
|
||||
|
||||
/* calc checksum */
|
||||
@ -1423,7 +1420,7 @@ static int af9013_download_firmware(struct af9013_state *state)
|
||||
FW_ADDR + fw->size - remaining,
|
||||
(u8 *) &fw->data[fw->size - remaining], len);
|
||||
if (ret) {
|
||||
dev_err(&state->i2c->dev,
|
||||
dev_err(&state->client->dev,
|
||||
"%s: firmware download failed=%d\n",
|
||||
KBUILD_MODNAME, ret);
|
||||
goto err_release;
|
||||
@ -1443,7 +1440,7 @@ static int af9013_download_firmware(struct af9013_state *state)
|
||||
if (ret)
|
||||
goto err_release;
|
||||
|
||||
dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
|
||||
dev_dbg(&state->client->dev, "%s: firmware status=%02x\n",
|
||||
__func__, val);
|
||||
|
||||
if (val == 0x0c || val == 0x04) /* success or fail */
|
||||
@ -1451,11 +1448,11 @@ static int af9013_download_firmware(struct af9013_state *state)
|
||||
}
|
||||
|
||||
if (val == 0x04) {
|
||||
dev_err(&state->i2c->dev, "%s: firmware did not run\n",
|
||||
dev_err(&state->client->dev, "%s: firmware did not run\n",
|
||||
KBUILD_MODNAME);
|
||||
ret = -ENODEV;
|
||||
} else if (val != 0x0c) {
|
||||
dev_err(&state->i2c->dev, "%s: firmware boot timeout\n",
|
||||
dev_err(&state->client->dev, "%s: firmware boot timeout\n",
|
||||
KBUILD_MODNAME);
|
||||
ret = -ENODEV;
|
||||
}
|
||||
@ -1465,67 +1462,41 @@ err_release:
|
||||
err:
|
||||
exit:
|
||||
if (!ret)
|
||||
dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n",
|
||||
dev_info(&state->client->dev, "%s: found a '%s' in warm state\n",
|
||||
KBUILD_MODNAME, af9013_ops.info.name);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* XXX: That is wrapper to af9013_probe() via driver core in order to provide
|
||||
* proper I2C client for legacy media attach binding.
|
||||
* New users must use I2C client binding directly!
|
||||
*/
|
||||
struct dvb_frontend *af9013_attach(const struct af9013_config *config,
|
||||
struct i2c_adapter *i2c)
|
||||
struct i2c_adapter *i2c)
|
||||
{
|
||||
int ret;
|
||||
struct af9013_state *state = NULL;
|
||||
u8 buf[4], i;
|
||||
struct i2c_client *client;
|
||||
struct i2c_board_info board_info;
|
||||
struct af9013_platform_data pdata;
|
||||
|
||||
/* allocate memory for the internal state */
|
||||
state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL);
|
||||
if (state == NULL)
|
||||
goto err;
|
||||
pdata.clk = config->clock;
|
||||
pdata.tuner = config->tuner;
|
||||
pdata.if_frequency = config->if_frequency;
|
||||
pdata.ts_mode = config->ts_mode;
|
||||
pdata.spec_inv = config->spec_inv;
|
||||
memcpy(&pdata.api_version, config->api_version, sizeof(pdata.api_version));
|
||||
memcpy(&pdata.gpio, config->gpio, sizeof(pdata.gpio));
|
||||
pdata.attach_in_use = true;
|
||||
|
||||
/* setup the state */
|
||||
state->i2c = i2c;
|
||||
state->i2c_addr = config->i2c_addr;
|
||||
state->clk = config->clock;
|
||||
state->tuner = config->tuner;
|
||||
state->if_frequency = config->if_frequency;
|
||||
state->ts_mode = config->ts_mode;
|
||||
state->spec_inv = config->spec_inv;
|
||||
memcpy(&state->api_version, config->api_version, sizeof(state->api_version));
|
||||
memcpy(&state->gpio, config->gpio, sizeof(state->gpio));
|
||||
memset(&board_info, 0, sizeof(board_info));
|
||||
strlcpy(board_info.type, "af9013", sizeof(board_info.type));
|
||||
board_info.addr = config->i2c_addr;
|
||||
board_info.platform_data = &pdata;
|
||||
client = i2c_new_device(i2c, &board_info);
|
||||
if (!client || !client->dev.driver)
|
||||
return NULL;
|
||||
|
||||
/* download firmware */
|
||||
if (state->ts_mode != AF9013_TS_USB) {
|
||||
ret = af9013_download_firmware(state);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* firmware version */
|
||||
ret = af9013_rd_regs(state, 0x5103, buf, 4);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
|
||||
KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
|
||||
|
||||
/* set GPIOs */
|
||||
for (i = 0; i < sizeof(state->gpio); i++) {
|
||||
ret = af9013_set_gpio(state, i, state->gpio[i]);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* create dvb_frontend */
|
||||
memcpy(&state->fe.ops, &af9013_ops,
|
||||
sizeof(struct dvb_frontend_ops));
|
||||
state->fe.demodulator_priv = state;
|
||||
|
||||
INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
|
||||
|
||||
return &state->fe;
|
||||
err:
|
||||
kfree(state);
|
||||
return NULL;
|
||||
return pdata.get_dvb_frontend(client);
|
||||
}
|
||||
EXPORT_SYMBOL(af9013_attach);
|
||||
|
||||
@ -1572,6 +1543,114 @@ static const struct dvb_frontend_ops af9013_ops = {
|
||||
.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
|
||||
};
|
||||
|
||||
static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client)
|
||||
{
|
||||
struct af9013_state *state = i2c_get_clientdata(client);
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
return &state->fe;
|
||||
}
|
||||
|
||||
static int af9013_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct af9013_state *state;
|
||||
struct af9013_platform_data *pdata = client->dev.platform_data;
|
||||
int ret, i;
|
||||
u8 firmware_version[4];
|
||||
|
||||
state = kzalloc(sizeof(*state), GFP_KERNEL);
|
||||
if (!state) {
|
||||
ret = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* Setup the state */
|
||||
state->client = client;
|
||||
i2c_set_clientdata(client, state);
|
||||
state->clk = pdata->clk;
|
||||
state->tuner = pdata->tuner;
|
||||
state->if_frequency = pdata->if_frequency;
|
||||
state->ts_mode = pdata->ts_mode;
|
||||
state->spec_inv = pdata->spec_inv;
|
||||
memcpy(&state->api_version, pdata->api_version, sizeof(state->api_version));
|
||||
memcpy(&state->gpio, pdata->gpio, sizeof(state->gpio));
|
||||
INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
|
||||
|
||||
/* Download firmware */
|
||||
if (state->ts_mode != AF9013_TS_USB) {
|
||||
ret = af9013_download_firmware(state);
|
||||
if (ret)
|
||||
goto err_kfree;
|
||||
}
|
||||
|
||||
/* Firmware version */
|
||||
ret = af9013_rd_regs(state, 0x5103, firmware_version,
|
||||
sizeof(firmware_version));
|
||||
if (ret)
|
||||
goto err_kfree;
|
||||
|
||||
/* Set GPIOs */
|
||||
for (i = 0; i < sizeof(state->gpio); i++) {
|
||||
ret = af9013_set_gpio(state, i, state->gpio[i]);
|
||||
if (ret)
|
||||
goto err_kfree;
|
||||
}
|
||||
|
||||
/* Create dvb frontend */
|
||||
memcpy(&state->fe.ops, &af9013_ops, sizeof(state->fe.ops));
|
||||
if (!pdata->attach_in_use)
|
||||
state->fe.ops.release = NULL;
|
||||
state->fe.demodulator_priv = state;
|
||||
|
||||
/* Setup callbacks */
|
||||
pdata->get_dvb_frontend = af9013_get_dvb_frontend;
|
||||
|
||||
dev_info(&client->dev, "Afatech AF9013 successfully attached\n");
|
||||
dev_info(&client->dev, "firmware version: %d.%d.%d.%d\n",
|
||||
firmware_version[0], firmware_version[1],
|
||||
firmware_version[2], firmware_version[3]);
|
||||
return 0;
|
||||
err_kfree:
|
||||
kfree(state);
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int af9013_remove(struct i2c_client *client)
|
||||
{
|
||||
struct af9013_state *state = i2c_get_clientdata(client);
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
/* Stop statistics polling */
|
||||
cancel_delayed_work_sync(&state->statistics_work);
|
||||
|
||||
kfree(state);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id af9013_id_table[] = {
|
||||
{"af9013", 0},
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, af9013_id_table);
|
||||
|
||||
static struct i2c_driver af9013_driver = {
|
||||
.driver = {
|
||||
.name = "af9013",
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = af9013_probe,
|
||||
.remove = af9013_remove,
|
||||
.id_table = af9013_id_table,
|
||||
};
|
||||
|
||||
module_i2c_driver(af9013_driver);
|
||||
|
||||
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
||||
MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
@ -23,29 +23,26 @@
|
||||
|
||||
#include <linux/dvb/frontend.h>
|
||||
|
||||
/* AF9013/5 GPIOs (mostly guessed)
|
||||
demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
|
||||
demod#1-gpio#1 - xtal setting (?)
|
||||
demod#1-gpio#3 - tuner#1
|
||||
demod#2-gpio#0 - tuner#2
|
||||
demod#2-gpio#1 - xtal setting (?)
|
||||
*/
|
||||
/*
|
||||
* I2C address: 0x1c, 0x1d
|
||||
*/
|
||||
|
||||
struct af9013_config {
|
||||
/**
|
||||
* struct af9013_platform_data - Platform data for the af9013 driver
|
||||
* @clk: Clock frequency.
|
||||
* @tuner: Used tuner model.
|
||||
* @if_frequency: IF frequency.
|
||||
* @ts_mode: TS mode.
|
||||
* @spec_inv: Input spectrum inverted.
|
||||
* @api_version: Firmware API version.
|
||||
* @gpio: GPIOs.
|
||||
* @get_dvb_frontend: Get DVB frontend callback.
|
||||
*/
|
||||
struct af9013_platform_data {
|
||||
/*
|
||||
* I2C address
|
||||
*/
|
||||
u8 i2c_addr;
|
||||
|
||||
/*
|
||||
* clock
|
||||
* 20480000, 25000000, 28000000, 28800000
|
||||
*/
|
||||
u32 clock;
|
||||
|
||||
/*
|
||||
* tuner
|
||||
*/
|
||||
u32 clk;
|
||||
#define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
|
||||
#define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
|
||||
#define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
|
||||
@ -60,33 +57,13 @@ struct af9013_config {
|
||||
#define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
|
||||
#define AF9013_TUNER_TDA18218 179 /* NXP */
|
||||
u8 tuner;
|
||||
|
||||
/*
|
||||
* IF frequency
|
||||
*/
|
||||
u32 if_frequency;
|
||||
|
||||
/*
|
||||
* TS settings
|
||||
*/
|
||||
#define AF9013_TS_USB 0
|
||||
#define AF9013_TS_PARALLEL 1
|
||||
#define AF9013_TS_SERIAL 2
|
||||
u8 ts_mode:2;
|
||||
|
||||
/*
|
||||
* input spectrum inversion
|
||||
*/
|
||||
#define AF9013_TS_MODE_USB 0
|
||||
#define AF9013_TS_MODE_PARALLEL 1
|
||||
#define AF9013_TS_MODE_SERIAL 2
|
||||
u8 ts_mode;
|
||||
bool spec_inv;
|
||||
|
||||
/*
|
||||
* firmware API version
|
||||
*/
|
||||
u8 api_version[4];
|
||||
|
||||
/*
|
||||
* GPIOs
|
||||
*/
|
||||
#define AF9013_GPIO_ON (1 << 0)
|
||||
#define AF9013_GPIO_EN (1 << 1)
|
||||
#define AF9013_GPIO_O (1 << 2)
|
||||
@ -96,8 +73,29 @@ struct af9013_config {
|
||||
#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
|
||||
#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
|
||||
u8 gpio[4];
|
||||
|
||||
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
|
||||
|
||||
/* private: For legacy media attach wrapper. Do not set value. */
|
||||
bool attach_in_use;
|
||||
u8 i2c_addr;
|
||||
u32 clock;
|
||||
};
|
||||
|
||||
#define af9013_config af9013_platform_data
|
||||
#define AF9013_TS_USB AF9013_TS_MODE_USB
|
||||
#define AF9013_TS_PARALLEL AF9013_TS_MODE_PARALLEL
|
||||
#define AF9013_TS_SERIAL AF9013_TS_MODE_SERIAL
|
||||
|
||||
/*
|
||||
* AF9013/5 GPIOs (mostly guessed)
|
||||
* demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
|
||||
* demod#1-gpio#1 - xtal setting (?)
|
||||
* demod#1-gpio#3 - tuner#1
|
||||
* demod#2-gpio#0 - tuner#2
|
||||
* demod#2-gpio#1 - xtal setting (?)
|
||||
*/
|
||||
|
||||
#if IS_REACHABLE(CONFIG_DVB_AF9013)
|
||||
extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
|
||||
struct i2c_adapter *i2c);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user