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path: root/drivers/media/common/tuners/tda827x.c
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Diffstat (limited to 'drivers/media/common/tuners/tda827x.c')
-rw-r--r--drivers/media/common/tuners/tda827x.c237
1 files changed, 147 insertions, 90 deletions
diff --git a/drivers/media/common/tuners/tda827x.c b/drivers/media/common/tuners/tda827x.c
index f4d931f14fa..36a7bc7585a 100644
--- a/drivers/media/common/tuners/tda827x.c
+++ b/drivers/media/common/tuners/tda827x.c
@@ -132,11 +132,31 @@ static const struct tda827x_data tda827x_table[] = {
{ .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0}
};
+static int tuner_transfer(struct dvb_frontend *fe,
+ struct i2c_msg *msg,
+ const int size)
+{
+ int rc;
+ struct tda827x_priv *priv = fe->tuner_priv;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ rc = i2c_transfer(priv->i2c_adap, msg, size);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ if (rc >= 0 && rc != size)
+ return -EIO;
+
+ return rc;
+}
+
static int tda827xo_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct tda827x_priv *priv = fe->tuner_priv;
u8 buf[14];
+ int rc;
struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
.buf = buf, .len = sizeof(buf) };
@@ -183,27 +203,29 @@ static int tda827xo_set_params(struct dvb_frontend *fe,
buf[13] = 0x40;
msg.len = 14;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) {
- printk("%s: could not write to tuner at addr: 0x%02x\n",
- __func__, priv->i2c_addr << 1);
- return -EIO;
- }
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
+
msleep(500);
/* correct CP value */
buf[0] = 0x30;
buf[1] = 0x50 + tda827x_table[i].cp;
msg.len = 2;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
priv->frequency = params->frequency;
priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
return 0;
+
+err:
+ printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n",
+ __func__, priv->i2c_addr << 1);
+ return rc;
}
static int tda827xo_sleep(struct dvb_frontend *fe)
@@ -214,9 +236,7 @@ static int tda827xo_sleep(struct dvb_frontend *fe)
.buf = buf, .len = sizeof(buf) };
dprintk("%s:\n", __func__);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
if (priv->cfg && priv->cfg->sleep)
priv->cfg->sleep(fe);
@@ -266,44 +286,44 @@ static int tda827xo_set_analog_params(struct dvb_frontend *fe,
msg.buf = tuner_reg;
msg.len = 8;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msg.buf = reg2;
msg.len = 2;
reg2[0] = 0x80;
reg2[1] = 0;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
reg2[0] = 0x60;
reg2[1] = 0xbf;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
reg2[0] = 0x30;
reg2[1] = tuner_reg[4] + 0x80;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msleep(1);
reg2[0] = 0x30;
reg2[1] = tuner_reg[4] + 4;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msleep(1);
reg2[0] = 0x30;
reg2[1] = tuner_reg[4];
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msleep(550);
reg2[0] = 0x30;
reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
reg2[0] = 0x60;
reg2[1] = 0x3f;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
reg2[0] = 0x80;
reg2[1] = 0x08; /* Vsync en */
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
priv->frequency = params->frequency;
@@ -317,7 +337,7 @@ static void tda827xo_agcf(struct dvb_frontend *fe)
struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
.buf = data, .len = 2};
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
}
/* ------------------------------------------------------------------ */
@@ -331,7 +351,7 @@ struct tda827xa_data {
u8 gc3;
};
-static const struct tda827xa_data tda827xa_dvbt[] = {
+static struct tda827xa_data tda827xa_dvbt[] = {
{ .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1},
{ .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
{ .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
@@ -361,6 +381,36 @@ static const struct tda827xa_data tda827xa_dvbt[] = {
{ .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
};
+static struct tda827xa_data tda827xa_dvbc[] = {
+ { .lomax = 50125000, .svco = 2, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3},
+ { .lomax = 58500000, .svco = 3, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3},
+ { .lomax = 69250000, .svco = 0, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3},
+ { .lomax = 83625000, .svco = 1, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3},
+ { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3},
+ { .lomax = 100250000, .svco = 2, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1},
+ { .lomax = 117000000, .svco = 3, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1},
+ { .lomax = 138500000, .svco = 0, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1},
+ { .lomax = 167250000, .svco = 1, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1},
+ { .lomax = 187000000, .svco = 2, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1},
+ { .lomax = 200500000, .svco = 2, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 1},
+ { .lomax = 234000000, .svco = 3, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 3},
+ { .lomax = 277000000, .svco = 0, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 3},
+ { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 1},
+ { .lomax = 334500000, .svco = 1, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3},
+ { .lomax = 401000000, .svco = 2, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3},
+ { .lomax = 468000000, .svco = 3, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 1},
+ { .lomax = 535000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
+ { .lomax = 554000000, .svco = 0, .spd = 0, .scr = 2, .sbs = 3, .gc3 = 1},
+ { .lomax = 638000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
+ { .lomax = 669000000, .svco = 1, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1},
+ { .lomax = 720000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
+ { .lomax = 802000000, .svco = 2, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1},
+ { .lomax = 835000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
+ { .lomax = 885000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
+ { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1},
+ { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
+};
+
static struct tda827xa_data tda827xa_analog[] = {
{ .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3},
{ .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
@@ -398,13 +448,8 @@ static int tda827xa_sleep(struct dvb_frontend *fe)
.buf = buf, .len = sizeof(buf) };
dprintk("%s:\n", __func__);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
+ tuner_transfer(fe, &msg, 1);
if (priv->cfg && priv->cfg->sleep)
priv->cfg->sleep(fe);
@@ -455,7 +500,7 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
buf[1] = high ? 0 : 1;
if (priv->cfg->config == 2)
buf[1] = high ? 1 : 0;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
break;
case 3: /* switch with GPIO of saa713x */
if (fe->callback)
@@ -469,12 +514,13 @@ static int tda827xa_set_params(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct tda827x_priv *priv = fe->tuner_priv;
+ struct tda827xa_data *frequency_map = tda827xa_dvbt;
u8 buf[11];
struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
.buf = buf, .len = sizeof(buf) };
- int i, tuner_freq, if_freq;
+ int i, tuner_freq, if_freq, rc;
u32 N;
dprintk("%s:\n", __func__);
@@ -495,56 +541,58 @@ static int tda827xa_set_params(struct dvb_frontend *fe,
}
tuner_freq = params->frequency + if_freq;
+ if (fe->ops.info.type == FE_QAM) {
+ dprintk("%s select tda827xa_dvbc\n", __func__);
+ frequency_map = tda827xa_dvbc;
+ }
+
i = 0;
- while (tda827xa_dvbt[i].lomax < tuner_freq) {
- if(tda827xa_dvbt[i + 1].lomax == 0)
+ while (frequency_map[i].lomax < tuner_freq) {
+ if (frequency_map[i + 1].lomax == 0)
break;
i++;
}
- N = ((tuner_freq + 31250) / 62500) << tda827xa_dvbt[i].spd;
+ N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd;
buf[0] = 0; // subaddress
buf[1] = N >> 8;
buf[2] = N & 0xff;
buf[3] = 0;
buf[4] = 0x16;
- buf[5] = (tda827xa_dvbt[i].spd << 5) + (tda827xa_dvbt[i].svco << 3) +
- tda827xa_dvbt[i].sbs;
- buf[6] = 0x4b + (tda827xa_dvbt[i].gc3 << 4);
+ buf[5] = (frequency_map[i].spd << 5) + (frequency_map[i].svco << 3) +
+ frequency_map[i].sbs;
+ buf[6] = 0x4b + (frequency_map[i].gc3 << 4);
buf[7] = 0x1c;
buf[8] = 0x06;
buf[9] = 0x24;
buf[10] = 0x00;
msg.len = 11;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) {
- printk("%s: could not write to tuner at addr: 0x%02x\n",
- __func__, priv->i2c_addr << 1);
- return -EIO;
- }
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
+
buf[0] = 0x90;
buf[1] = 0xff;
buf[2] = 0x60;
buf[3] = 0x00;
buf[4] = 0x59; // lpsel, for 6MHz + 2
msg.len = 5;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
buf[0] = 0xa0;
buf[1] = 0x40;
msg.len = 2;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
msleep(11);
msg.flags = I2C_M_RD;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
msg.flags = 0;
buf[1] >>= 4;
@@ -553,49 +601,55 @@ static int tda827xa_set_params(struct dvb_frontend *fe,
tda827xa_lna_gain(fe, 0, NULL);
buf[0] = 0x60;
buf[1] = 0x0c;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
}
buf[0] = 0xc0;
buf[1] = 0x99; // lpsel, for 6MHz + 2
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
buf[0] = 0x60;
buf[1] = 0x3c;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
/* correct CP value */
buf[0] = 0x30;
- buf[1] = 0x10 + tda827xa_dvbt[i].scr;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ buf[1] = 0x10 + frequency_map[i].scr;
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
msleep(163);
buf[0] = 0xc0;
buf[1] = 0x39; // lpsel, for 6MHz + 2
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
msleep(3);
/* freeze AGC1 */
buf[0] = 0x50;
- buf[1] = 0x4f + (tda827xa_dvbt[i].gc3 << 4);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ buf[1] = 0x4f + (frequency_map[i].gc3 << 4);
+ rc = tuner_transfer(fe, &msg, 1);
+ if (rc < 0)
+ goto err;
priv->frequency = params->frequency;
priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
+
return 0;
+
+err:
+ printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n",
+ __func__, priv->i2c_addr << 1);
+ return rc;
}
@@ -643,7 +697,7 @@ static int tda827xa_set_analog_params(struct dvb_frontend *fe,
tuner_reg[9] = 0x20;
tuner_reg[10] = 0x00;
msg.len = 11;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
tuner_reg[0] = 0x90;
tuner_reg[1] = 0xff;
@@ -651,19 +705,19 @@ static int tda827xa_set_analog_params(struct dvb_frontend *fe,
tuner_reg[3] = 0;
tuner_reg[4] = 0x99 + (priv->lpsel << 1);
msg.len = 5;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
tuner_reg[0] = 0xa0;
tuner_reg[1] = 0xc0;
msg.len = 2;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
tuner_reg[0] = 0x30;
tuner_reg[1] = 0x10 + tda827xa_analog[i].scr;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msg.flags = I2C_M_RD;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msg.flags = 0;
tuner_reg[1] >>= 4;
dprintk("AGC2 gain is: %d\n", tuner_reg[1]);
@@ -673,24 +727,24 @@ static int tda827xa_set_analog_params(struct dvb_frontend *fe,
msleep(100);
tuner_reg[0] = 0x60;
tuner_reg[1] = 0x3c;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
msleep(163);
tuner_reg[0] = 0x50;
tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
tuner_reg[0] = 0x80;
tuner_reg[1] = 0x28;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
tuner_reg[0] = 0xb0;
tuner_reg[1] = 0x01;
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
tuner_reg[0] = 0xc0;
tuner_reg[1] = 0x19 + (priv->lpsel << 1);
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
priv->frequency = params->frequency;
@@ -703,7 +757,7 @@ static void tda827xa_agcf(struct dvb_frontend *fe)
unsigned char data[] = {0x80, 0x2c};
struct i2c_msg msg = {.addr = priv->i2c_addr, .flags = 0,
.buf = data, .len = 2};
- i2c_transfer(priv->i2c_adap, &msg, 1);
+ tuner_transfer(fe, &msg, 1);
}
/* ------------------------------------------------------------------ */
@@ -792,16 +846,19 @@ static struct dvb_tuner_ops tda827xa_tuner_ops = {
};
static int tda827x_probe_version(struct dvb_frontend *fe)
-{ u8 data;
+{
+ u8 data;
+ int rc;
struct tda827x_priv *priv = fe->tuner_priv;
struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD,
.buf = &data, .len = 1 };
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) {
+
+ rc = tuner_transfer(fe, &msg, 1);
+
+ if (rc < 0) {
printk("%s: could not read from tuner at addr: 0x%02x\n",
__func__, msg.addr << 1);
- return -EIO;
+ return rc;
}
if ((data & 0x3c) == 0) {
dprintk("tda827x tuner found\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 10:46:35 +0000