[media] af9033: convert to I2C client
Convert driver to kernel I2C model. 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
09611caad1
commit
f5b00a7670
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@ -25,7 +25,7 @@
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#define MAX_XFER_SIZE 64
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struct af9033_dev {
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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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struct af9033_config cfg;
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@ -46,7 +46,7 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
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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 = dev->cfg.i2c_addr,
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.addr = dev->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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@ -54,7 +54,7 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
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};
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if (3 + len > sizeof(buf)) {
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dev_warn(&dev->i2c->dev,
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dev_warn(&dev->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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@ -65,11 +65,11 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
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buf[2] = (reg >> 0) & 0xff;
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memcpy(&buf[3], val, len);
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ret = i2c_transfer(dev->i2c, msg, 1);
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ret = i2c_transfer(dev->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(&dev->i2c->dev,
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dev_warn(&dev->client->dev,
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"%s: i2c wr failed=%d reg=%06x len=%d\n",
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KBUILD_MODNAME, ret, reg, len);
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ret = -EREMOTEIO;
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@ -86,23 +86,23 @@ static int af9033_rd_regs(struct af9033_dev *dev, u32 reg, u8 *val, int len)
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(reg >> 0) & 0xff };
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struct i2c_msg msg[2] = {
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{
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.addr = dev->cfg.i2c_addr,
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.addr = dev->client->addr,
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.flags = 0,
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.len = sizeof(buf),
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.buf = buf
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}, {
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.addr = dev->cfg.i2c_addr,
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.addr = dev->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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}
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};
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ret = i2c_transfer(dev->i2c, msg, 2);
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ret = i2c_transfer(dev->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(&dev->i2c->dev,
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dev_warn(&dev->client->dev,
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"%s: i2c rd failed=%d reg=%06x len=%d\n",
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KBUILD_MODNAME, ret, reg, len);
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ret = -EREMOTEIO;
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@ -176,10 +176,10 @@ static int af9033_wr_reg_val_tab(struct af9033_dev *dev,
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int ret, i, j;
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u8 buf[1 + MAX_TAB_LEN];
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dev_dbg(&dev->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
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dev_dbg(&dev->client->dev, "%s: tab_len=%d\n", __func__, tab_len);
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if (tab_len > sizeof(buf)) {
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dev_warn(&dev->i2c->dev, "%s: tab len %d is too big\n",
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dev_warn(&dev->client->dev, "%s: tab len %d is too big\n",
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KBUILD_MODNAME, tab_len);
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return -EINVAL;
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}
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@ -201,7 +201,7 @@ static int af9033_wr_reg_val_tab(struct af9033_dev *dev,
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -210,7 +210,7 @@ static u32 af9033_div(struct af9033_dev *dev, 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(&dev->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
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dev_dbg(&dev->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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@ -227,19 +227,12 @@ static u32 af9033_div(struct af9033_dev *dev, 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(&dev->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
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dev_dbg(&dev->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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}
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static void af9033_release(struct dvb_frontend *fe)
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{
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struct af9033_dev *dev = fe->demodulator_priv;
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kfree(dev);
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}
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static int af9033_init(struct dvb_frontend *fe)
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{
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struct af9033_dev *dev = fe->demodulator_priv;
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@ -283,7 +276,7 @@ static int af9033_init(struct dvb_frontend *fe)
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buf[2] = (clock_cw >> 16) & 0xff;
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buf[3] = (clock_cw >> 24) & 0xff;
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dev_dbg(&dev->i2c->dev, "%s: clock=%d clock_cw=%08x\n",
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dev_dbg(&dev->client->dev, "%s: clock=%d clock_cw=%08x\n",
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__func__, dev->cfg.clock, clock_cw);
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ret = af9033_wr_regs(dev, 0x800025, buf, 4);
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@ -301,7 +294,7 @@ static int af9033_init(struct dvb_frontend *fe)
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buf[1] = (adc_cw >> 8) & 0xff;
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buf[2] = (adc_cw >> 16) & 0xff;
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dev_dbg(&dev->i2c->dev, "%s: adc=%d adc_cw=%06x\n",
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dev_dbg(&dev->client->dev, "%s: adc=%d adc_cw=%06x\n",
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__func__, clock_adc_lut[i].adc, adc_cw);
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ret = af9033_wr_regs(dev, 0x80f1cd, buf, 3);
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@ -343,7 +336,7 @@ static int af9033_init(struct dvb_frontend *fe)
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}
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/* load OFSM settings */
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dev_dbg(&dev->i2c->dev, "%s: load ofsm settings\n", __func__);
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dev_dbg(&dev->client->dev, "%s: load ofsm settings\n", __func__);
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switch (dev->cfg.tuner) {
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case AF9033_TUNER_IT9135_38:
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case AF9033_TUNER_IT9135_51:
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@ -368,7 +361,7 @@ static int af9033_init(struct dvb_frontend *fe)
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goto err;
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/* load tuner specific settings */
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dev_dbg(&dev->i2c->dev, "%s: load tuner specific settings\n",
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dev_dbg(&dev->client->dev, "%s: load tuner specific settings\n",
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__func__);
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switch (dev->cfg.tuner) {
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case AF9033_TUNER_TUA9001:
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@ -420,7 +413,7 @@ static int af9033_init(struct dvb_frontend *fe)
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init = tuner_init_it9135_62;
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break;
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default:
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dev_dbg(&dev->i2c->dev, "%s: unsupported tuner ID=%d\n",
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dev_dbg(&dev->client->dev, "%s: unsupported tuner ID=%d\n",
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__func__, dev->cfg.tuner);
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ret = -ENODEV;
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goto err;
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@ -458,7 +451,7 @@ static int af9033_init(struct dvb_frontend *fe)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -485,7 +478,7 @@ static int af9033_sleep(struct dvb_frontend *fe)
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usleep_range(200, 10000);
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}
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dev_dbg(&dev->i2c->dev, "%s: loop=%d\n", __func__, i);
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dev_dbg(&dev->client->dev, "%s: loop=%d\n", __func__, i);
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if (i == 0) {
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ret = -ETIMEDOUT;
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@ -511,7 +504,7 @@ static int af9033_sleep(struct dvb_frontend *fe)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -535,7 +528,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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u8 tmp, buf[3], bandwidth_reg_val;
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u32 if_frequency, freq_cw, adc_freq;
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dev_dbg(&dev->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
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dev_dbg(&dev->client->dev, "%s: frequency=%d bandwidth_hz=%d\n",
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__func__, c->frequency, c->bandwidth_hz);
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/* check bandwidth */
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@ -550,7 +543,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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bandwidth_reg_val = 0x02;
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break;
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default:
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dev_dbg(&dev->i2c->dev, "%s: invalid bandwidth_hz\n",
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dev_dbg(&dev->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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@ -653,7 +646,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -665,7 +658,7 @@ static int af9033_get_frontend(struct dvb_frontend *fe)
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int ret;
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u8 buf[8];
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dev_dbg(&dev->i2c->dev, "%s:\n", __func__);
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dev_dbg(&dev->client->dev, "%s:\n", __func__);
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/* read all needed registers */
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ret = af9033_rd_regs(dev, 0x80f900, buf, sizeof(buf));
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@ -780,7 +773,7 @@ static int af9033_get_frontend(struct dvb_frontend *fe)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -826,7 +819,7 @@ static int af9033_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(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -880,7 +873,7 @@ static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -902,7 +895,7 @@ static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -948,7 +941,7 @@ static int af9033_update_ch_stat(struct af9033_dev *dev)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -986,7 +979,7 @@ static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
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struct af9033_dev *dev = fe->demodulator_priv;
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int ret;
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dev_dbg(&dev->i2c->dev, "%s: enable=%d\n", __func__, enable);
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dev_dbg(&dev->client->dev, "%s: enable=%d\n", __func__, enable);
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ret = af9033_wr_reg_mask(dev, 0x00fa04, enable, 0x01);
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if (ret < 0)
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@ -995,7 +988,7 @@ static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -1005,7 +998,7 @@ static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
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struct af9033_dev *dev = fe->demodulator_priv;
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int ret;
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dev_dbg(&dev->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
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dev_dbg(&dev->client->dev, "%s: onoff=%d\n", __func__, onoff);
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ret = af9033_wr_reg_mask(dev, 0x80f993, onoff, 0x01);
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if (ret < 0)
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@ -1014,7 +1007,7 @@ static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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@ -1026,7 +1019,7 @@ static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
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int ret;
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u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
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dev_dbg(&dev->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n",
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dev_dbg(&dev->client->dev, "%s: index=%d pid=%04x onoff=%d\n",
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__func__, index, pid, onoff);
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if (pid > 0x1fff)
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@ -1047,119 +1040,11 @@ static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
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return 0;
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err:
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dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
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dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static struct dvb_frontend_ops af9033_ops;
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struct dvb_frontend *af9033_attach(const struct af9033_config *config,
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struct i2c_adapter *i2c,
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struct af9033_ops *ops)
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{
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int ret;
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struct af9033_dev *dev;
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u8 buf[8];
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u32 reg;
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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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dev = kzalloc(sizeof(struct af9033_dev), GFP_KERNEL);
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if (dev == NULL)
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goto err;
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/* setup the state */
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dev->i2c = i2c;
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memcpy(&dev->cfg, config, sizeof(struct af9033_config));
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if (dev->cfg.clock != 12000000) {
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dev_err(&dev->i2c->dev,
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"%s: af9033: unsupported clock=%d, only 12000000 Hz is supported currently\n",
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KBUILD_MODNAME, dev->cfg.clock);
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goto err;
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}
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/* firmware version */
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switch (dev->cfg.tuner) {
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case AF9033_TUNER_IT9135_38:
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case AF9033_TUNER_IT9135_51:
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case AF9033_TUNER_IT9135_52:
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case AF9033_TUNER_IT9135_60:
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case AF9033_TUNER_IT9135_61:
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case AF9033_TUNER_IT9135_62:
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reg = 0x004bfc;
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break;
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default:
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reg = 0x0083e9;
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break;
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}
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ret = af9033_rd_regs(dev, reg, &buf[0], 4);
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if (ret < 0)
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goto err;
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ret = af9033_rd_regs(dev, 0x804191, &buf[4], 4);
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if (ret < 0)
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goto err;
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dev_info(&dev->i2c->dev,
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"%s: firmware version: LINK=%d.%d.%d.%d OFDM=%d.%d.%d.%d\n",
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KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4],
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buf[5], buf[6], buf[7]);
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/* sleep */
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switch (dev->cfg.tuner) {
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case AF9033_TUNER_IT9135_38:
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case AF9033_TUNER_IT9135_51:
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case AF9033_TUNER_IT9135_52:
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case AF9033_TUNER_IT9135_60:
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case AF9033_TUNER_IT9135_61:
|
||||
case AF9033_TUNER_IT9135_62:
|
||||
/* IT9135 did not like to sleep at that early */
|
||||
break;
|
||||
default:
|
||||
ret = af9033_wr_reg(dev, 0x80004c, 1);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
|
||||
ret = af9033_wr_reg(dev, 0x800000, 0);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* configure internal TS mode */
|
||||
switch (dev->cfg.ts_mode) {
|
||||
case AF9033_TS_MODE_PARALLEL:
|
||||
dev->ts_mode_parallel = true;
|
||||
break;
|
||||
case AF9033_TS_MODE_SERIAL:
|
||||
dev->ts_mode_serial = true;
|
||||
break;
|
||||
case AF9033_TS_MODE_USB:
|
||||
/* usb mode for AF9035 */
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* create dvb_frontend */
|
||||
memcpy(&dev->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
|
||||
dev->fe.demodulator_priv = dev;
|
||||
|
||||
if (ops) {
|
||||
ops->pid_filter = af9033_pid_filter;
|
||||
ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
|
||||
}
|
||||
|
||||
return &dev->fe;
|
||||
|
||||
err:
|
||||
kfree(dev);
|
||||
return NULL;
|
||||
}
|
||||
EXPORT_SYMBOL(af9033_attach);
|
||||
|
||||
static struct dvb_frontend_ops af9033_ops = {
|
||||
.delsys = { SYS_DVBT },
|
||||
.info = {
|
||||
|
|
@ -1185,8 +1070,6 @@ static struct dvb_frontend_ops af9033_ops = {
|
|||
FE_CAN_MUTE_TS
|
||||
},
|
||||
|
||||
.release = af9033_release,
|
||||
|
||||
.init = af9033_init,
|
||||
.sleep = af9033_sleep,
|
||||
|
||||
|
|
@ -1203,6 +1086,147 @@ static struct dvb_frontend_ops af9033_ops = {
|
|||
.i2c_gate_ctrl = af9033_i2c_gate_ctrl,
|
||||
};
|
||||
|
||||
static int af9033_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct af9033_config *cfg = client->dev.platform_data;
|
||||
struct af9033_dev *dev;
|
||||
int ret;
|
||||
u8 buf[8];
|
||||
u32 reg;
|
||||
|
||||
/* allocate memory for the internal state */
|
||||
dev = kzalloc(sizeof(struct af9033_dev), GFP_KERNEL);
|
||||
if (dev == NULL) {
|
||||
ret = -ENOMEM;
|
||||
dev_err(&client->dev, "Could not allocate memory for state\n");
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* setup the state */
|
||||
dev->client = client;
|
||||
memcpy(&dev->cfg, cfg, sizeof(struct af9033_config));
|
||||
|
||||
if (dev->cfg.clock != 12000000) {
|
||||
ret = -ENODEV;
|
||||
dev_err(&dev->client->dev,
|
||||
"%s: af9033: unsupported clock=%d, only 12000000 Hz is supported currently\n",
|
||||
KBUILD_MODNAME, dev->cfg.clock);
|
||||
goto err_kfree;
|
||||
}
|
||||
|
||||
/* firmware version */
|
||||
switch (dev->cfg.tuner) {
|
||||
case AF9033_TUNER_IT9135_38:
|
||||
case AF9033_TUNER_IT9135_51:
|
||||
case AF9033_TUNER_IT9135_52:
|
||||
case AF9033_TUNER_IT9135_60:
|
||||
case AF9033_TUNER_IT9135_61:
|
||||
case AF9033_TUNER_IT9135_62:
|
||||
reg = 0x004bfc;
|
||||
break;
|
||||
default:
|
||||
reg = 0x0083e9;
|
||||
break;
|
||||
}
|
||||
|
||||
ret = af9033_rd_regs(dev, reg, &buf[0], 4);
|
||||
if (ret < 0)
|
||||
goto err_kfree;
|
||||
|
||||
ret = af9033_rd_regs(dev, 0x804191, &buf[4], 4);
|
||||
if (ret < 0)
|
||||
goto err_kfree;
|
||||
|
||||
dev_info(&dev->client->dev,
|
||||
"%s: firmware version: LINK=%d.%d.%d.%d OFDM=%d.%d.%d.%d\n",
|
||||
KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4],
|
||||
buf[5], buf[6], buf[7]);
|
||||
|
||||
/* sleep */
|
||||
switch (dev->cfg.tuner) {
|
||||
case AF9033_TUNER_IT9135_38:
|
||||
case AF9033_TUNER_IT9135_51:
|
||||
case AF9033_TUNER_IT9135_52:
|
||||
case AF9033_TUNER_IT9135_60:
|
||||
case AF9033_TUNER_IT9135_61:
|
||||
case AF9033_TUNER_IT9135_62:
|
||||
/* IT9135 did not like to sleep at that early */
|
||||
break;
|
||||
default:
|
||||
ret = af9033_wr_reg(dev, 0x80004c, 1);
|
||||
if (ret < 0)
|
||||
goto err_kfree;
|
||||
|
||||
ret = af9033_wr_reg(dev, 0x800000, 0);
|
||||
if (ret < 0)
|
||||
goto err_kfree;
|
||||
}
|
||||
|
||||
/* configure internal TS mode */
|
||||
switch (dev->cfg.ts_mode) {
|
||||
case AF9033_TS_MODE_PARALLEL:
|
||||
dev->ts_mode_parallel = true;
|
||||
break;
|
||||
case AF9033_TS_MODE_SERIAL:
|
||||
dev->ts_mode_serial = true;
|
||||
break;
|
||||
case AF9033_TS_MODE_USB:
|
||||
/* usb mode for AF9035 */
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* create dvb_frontend */
|
||||
memcpy(&dev->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
|
||||
dev->fe.demodulator_priv = dev;
|
||||
*cfg->fe = &dev->fe;
|
||||
if (cfg->ops) {
|
||||
cfg->ops->pid_filter = af9033_pid_filter;
|
||||
cfg->ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
|
||||
}
|
||||
i2c_set_clientdata(client, dev);
|
||||
|
||||
dev_info(&dev->client->dev, "Afatech AF9033 successfully attached\n");
|
||||
return 0;
|
||||
err_kfree:
|
||||
kfree(dev);
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int af9033_remove(struct i2c_client *client)
|
||||
{
|
||||
struct af9033_dev *dev = i2c_get_clientdata(client);
|
||||
|
||||
dev_dbg(&client->dev, "%s\n", __func__);
|
||||
|
||||
dev->fe.ops.release = NULL;
|
||||
dev->fe.demodulator_priv = NULL;
|
||||
kfree(dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct i2c_device_id af9033_id_table[] = {
|
||||
{"af9033", 0},
|
||||
{}
|
||||
};
|
||||
MODULE_DEVICE_TABLE(i2c, af9033_id_table);
|
||||
|
||||
static struct i2c_driver af9033_driver = {
|
||||
.driver = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = "af9033",
|
||||
},
|
||||
.probe = af9033_probe,
|
||||
.remove = af9033_remove,
|
||||
.id_table = af9033_id_table,
|
||||
};
|
||||
|
||||
module_i2c_driver(af9033_driver);
|
||||
|
||||
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
||||
MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
|||
|
|
@ -80,8 +80,18 @@ struct af9033_config {
|
|||
*
|
||||
*/
|
||||
bool dyn0_clk;
|
||||
};
|
||||
|
||||
/*
|
||||
* PID filter ops
|
||||
*/
|
||||
struct af9033_ops *ops;
|
||||
|
||||
/*
|
||||
* frontend
|
||||
* returned by that driver
|
||||
*/
|
||||
struct dvb_frontend **fe;
|
||||
};
|
||||
|
||||
struct af9033_ops {
|
||||
int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff);
|
||||
|
|
@ -89,36 +99,4 @@ struct af9033_ops {
|
|||
int onoff);
|
||||
};
|
||||
|
||||
|
||||
#if IS_ENABLED(CONFIG_DVB_AF9033)
|
||||
extern
|
||||
struct dvb_frontend *af9033_attach(const struct af9033_config *config,
|
||||
struct i2c_adapter *i2c,
|
||||
struct af9033_ops *ops);
|
||||
|
||||
#else
|
||||
static inline
|
||||
struct dvb_frontend *af9033_attach(const struct af9033_config *config,
|
||||
struct i2c_adapter *i2c,
|
||||
struct af9033_ops *ops)
|
||||
{
|
||||
pr_warn("%s: driver disabled by Kconfig\n", __func__);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
|
||||
{
|
||||
pr_warn("%s: driver disabled by Kconfig\n", __func__);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static inline int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
|
||||
int onoff)
|
||||
{
|
||||
pr_warn("%s: driver disabled by Kconfig\n", __func__);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* AF9033_H */
|
||||
|
|
|
|||
|
|
@ -305,6 +305,19 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
|
|||
* NOTE: As a firmware knows tuner type there is very small possibility
|
||||
* there could be some tuner I2C hacks done by firmware and this may
|
||||
* lead problems if firmware expects those bytes are used.
|
||||
*
|
||||
* TODO: Here is few hacks. AF9035 chip integrates AF9033 demodulator.
|
||||
* IT9135 chip integrates AF9033 demodulator and RF tuner. For dual
|
||||
* tuner devices, there is also external AF9033 demodulator connected
|
||||
* via external I2C bus. All AF9033 demod I2C traffic, both single and
|
||||
* dual tuner configuration, is covered by firmware - actual USB IO
|
||||
* looks just like a memory access.
|
||||
* In case of IT913x chip, there is own tuner driver. It is implemented
|
||||
* currently as a I2C driver, even tuner IP block is likely build
|
||||
* directly into the demodulator memory space and there is no own I2C
|
||||
* bus. I2C subsystem does not allow register multiple devices to same
|
||||
* bus, having same slave address. Due to that we reuse demod address,
|
||||
* shifted by one bit, on that case.
|
||||
*/
|
||||
if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
|
||||
(msg[1].flags & I2C_M_RD)) {
|
||||
|
|
@ -312,12 +325,14 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
|
|||
/* TODO: correct limits > 40 */
|
||||
ret = -EOPNOTSUPP;
|
||||
} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
|
||||
(msg[0].addr == state->af9033_config[1].i2c_addr)) {
|
||||
(msg[0].addr == state->af9033_config[1].i2c_addr) ||
|
||||
(state->chip_type == 0x9135)) {
|
||||
/* demod access via firmware interface */
|
||||
u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
|
||||
msg[0].buf[2];
|
||||
|
||||
if (msg[0].addr == state->af9033_config[1].i2c_addr)
|
||||
if (msg[0].addr == state->af9033_config[1].i2c_addr ||
|
||||
msg[0].addr == (state->af9033_config[1].i2c_addr >> 1))
|
||||
reg |= 0x100000;
|
||||
|
||||
ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
|
||||
|
|
@ -349,12 +364,14 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
|
|||
/* TODO: correct limits > 40 */
|
||||
ret = -EOPNOTSUPP;
|
||||
} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
|
||||
(msg[0].addr == state->af9033_config[1].i2c_addr)) {
|
||||
(msg[0].addr == state->af9033_config[1].i2c_addr) ||
|
||||
(state->chip_type == 0x9135)) {
|
||||
/* demod access via firmware interface */
|
||||
u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
|
||||
msg[0].buf[2];
|
||||
|
||||
if (msg[0].addr == state->af9033_config[1].i2c_addr)
|
||||
if (msg[0].addr == state->af9033_config[1].i2c_addr ||
|
||||
msg[0].addr == (state->af9033_config[1].i2c_addr >> 1))
|
||||
reg |= 0x100000;
|
||||
|
||||
ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
|
||||
|
|
@ -1066,6 +1083,8 @@ static int af9035_get_adapter_count(struct dvb_usb_device *d)
|
|||
return state->dual_mode + 1;
|
||||
}
|
||||
|
||||
static void af9035_exit(struct dvb_usb_device *d);
|
||||
|
||||
static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
|
||||
{
|
||||
struct state *state = adap_to_priv(adap);
|
||||
|
|
@ -1080,9 +1099,14 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
|
|||
goto err;
|
||||
}
|
||||
|
||||
/* attach demodulator */
|
||||
adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
|
||||
&d->i2c_adap, &state->ops);
|
||||
state->af9033_config[adap->id].fe = &adap->fe[0];
|
||||
state->af9033_config[adap->id].ops = &state->ops;
|
||||
ret = af9035_add_i2c_dev(d, "af9033",
|
||||
state->af9033_config[adap->id].i2c_addr,
|
||||
&state->af9033_config[adap->id]);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
if (adap->fe[0] == NULL) {
|
||||
ret = -ENODEV;
|
||||
goto err;
|
||||
|
|
@ -1095,6 +1119,7 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
|
|||
return 0;
|
||||
|
||||
err:
|
||||
af9035_exit(d); /* remove I2C clients */
|
||||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||||
|
||||
return ret;
|
||||
|
|
@ -1332,7 +1357,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
|
|||
}
|
||||
|
||||
ret = af9035_add_i2c_dev(d, "it913x",
|
||||
state->af9033_config[adap->id].i2c_addr,
|
||||
state->af9033_config[adap->id].i2c_addr >> 1,
|
||||
&it913x_config);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
|
@ -1357,7 +1382,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
|
|||
}
|
||||
|
||||
ret = af9035_add_i2c_dev(d, "it913x",
|
||||
state->af9033_config[adap->id].i2c_addr,
|
||||
state->af9033_config[adap->id].i2c_addr >> 1,
|
||||
&it913x_config);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
|
@ -1377,6 +1402,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
|
|||
return 0;
|
||||
|
||||
err:
|
||||
af9035_exit(d); /* remove I2C clients */
|
||||
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
|
||||
|
||||
return ret;
|
||||
|
|
@ -1435,6 +1461,12 @@ static void af9035_exit(struct dvb_usb_device *d)
|
|||
|
||||
dev_dbg(&d->udev->dev, "%s:\n", __func__);
|
||||
|
||||
if (state->i2c_client[3])
|
||||
af9035_del_i2c_dev(d);
|
||||
|
||||
if (state->i2c_client[2])
|
||||
af9035_del_i2c_dev(d);
|
||||
|
||||
if (state->i2c_client[1])
|
||||
af9035_del_i2c_dev(d);
|
||||
|
||||
|
|
|
|||
|
|
@ -63,7 +63,7 @@ struct state {
|
|||
u16 eeprom_addr;
|
||||
struct af9033_config af9033_config[2];
|
||||
struct af9033_ops ops;
|
||||
#define AF9035_I2C_CLIENT_MAX 2
|
||||
#define AF9035_I2C_CLIENT_MAX 4
|
||||
struct i2c_client *i2c_client[AF9035_I2C_CLIENT_MAX];
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue