[media 6/8] Sharp QM1D1C004x ISDB-S tuner driver for PT3 and PX-BCUD

From: info
Date: Thu Mar 31 2016 - 15:43:00 EST

From: ÐÑÐÐ ÐÐÐÐÐÑÐ, AreMa Inc <knightrider@xxxxxx>

Signed-off-by: ÐÑÐÐ ÐÐÐÐÐÑÐ, AreMa Inc <knightrider@xxxxxx>
---
drivers/media/tuners/qm1d1c004x.c | 242 ++++++++++++++++++++++++++++++++++++++
drivers/media/tuners/qm1d1c004x.h | 23 ++++
2 files changed, 265 insertions(+)
create mode 100644 drivers/media/tuners/qm1d1c004x.c
create mode 100644 drivers/media/tuners/qm1d1c004x.h

diff --git a/drivers/media/tuners/qm1d1c004x.c b/drivers/media/tuners/qm1d1c004x.c
new file mode 100644
index 0000000..843cfb2
--- /dev/null
+++ b/drivers/media/tuners/qm1d1c004x.c
@@ -0,0 +1,242 @@
+/*
+ Sharp VA4M6JC2103 QM1D1C004x ISDB-S tuner driver
+
+ Copyright (C) Budi Rachmanto, AreMa Inc. <info@xxxxxx>
+
+ CHIP VER. CARD
+ QM1D1C0042 0x48 Earthsoft PT3
+ QM1D1C0045 0x58
+ QM1D1C0045_2 0x68 PLEX PX-BCUD
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+*/
+
+#include "dvb_frontend.h"
+#include "qm1d1c004x.h"
+
+struct qm1d1c004x {
+ u8 reg[32];
+};
+
+bool qm1d1c004x_r(struct dvb_frontend *fe, u8 slvadr, u8 *dat)
+{
+ struct i2c_client *d = fe->demodulator_priv,
+ *t = fe->tuner_priv;
+ u8 buf[] = {0xFE, t->addr << 1, slvadr, 0xFE, (t->addr << 1) | 1, 0};
+ struct i2c_msg msg[] = {
+ {.addr = d->addr, .flags = 0, .buf = buf, .len = 3,},
+ {.addr = d->addr, .flags = 0, .buf = buf + 3, .len = 2,},
+ {.addr = d->addr, .flags = I2C_M_RD, .buf = buf + 5, .len = 1,},
+ };
+ bool ret = i2c_transfer(d->adapter, msg, 3) == 3;
+
+ *dat = buf[5];
+ return ret;
+}
+
+int qm1d1c004x_w(struct dvb_frontend *fe, u8 slvadr, u8 *dat, int len)
+{
+ struct i2c_client *d = fe->demodulator_priv;
+ u8 buf[len + 1];
+ struct i2c_msg msg[] = {
+ {.addr = d->addr, .flags = 0, .buf = buf, .len = len + 1,},
+ };
+
+ buf[0] = slvadr;
+ memcpy(buf + 1, dat, len);
+ return i2c_transfer(d->adapter, msg, 1) == 1 ? 0 : -EIO;
+}
+
+int qm1d1c004x_w_tuner(struct dvb_frontend *fe, u8 adr, u8 dat)
+{
+ struct i2c_client *t = fe->tuner_priv;
+ struct qm1d1c004x *q = i2c_get_clientdata(t);
+ u8 buf[] = {t->addr << 1, adr, dat};
+ int err = qm1d1c004x_w(fe, 0xFE, buf, 3);
+
+ q->reg[adr] = dat;
+ return err;
+}
+
+enum qm1d1c004x_agc {
+ QM1D1C004X_AGC_AUTO,
+ QM1D1C004X_AGC_MANUAL,
+};
+
+int qm1d1c004x_set_agc(struct dvb_frontend *fe, enum qm1d1c004x_agc agc)
+{
+ u8 dat = (agc == QM1D1C004X_AGC_AUTO) ? 0xff : 0x00,
+ pskmsrst = 0x01;
+ int err = qm1d1c004x_w(fe, 0x0a, &dat, 1);
+
+ if (err)
+ return err;
+ dat = 0xb0 | (agc == QM1D1C004X_AGC_AUTO ? 1 : 0);
+ err = qm1d1c004x_w(fe, 0x10, &dat, 1);
+ if (err)
+ return err;
+ dat = (agc == QM1D1C004X_AGC_AUTO) ? 0x40 : 0x00;
+ return (err = qm1d1c004x_w(fe, 0x11, &dat, 1)) ?
+ err : qm1d1c004x_w(fe, 0x03, &pskmsrst, 1);
+}
+
+int qm1d1c004x_sleep(struct dvb_frontend *fe)
+{
+ u8 buf = 1,
+ *reg = ((struct qm1d1c004x *)fe->tuner_priv)->reg;
+
+ reg[0x01] &= (~(1 << 3)) & 0xff;
+ reg[0x01] |= 1 << 0;
+ reg[0x05] |= 1 << 3;
+ return qm1d1c004x_set_agc(fe, QM1D1C004X_AGC_MANUAL) ||
+ qm1d1c004x_w_tuner(fe, 0x05, reg[0x05]) ||
+ qm1d1c004x_w_tuner(fe, 0x01, reg[0x01]) ||
+ qm1d1c004x_w(fe, 0x17, &buf, 1);
+}
+
+int qm1d1c004x_wakeup(struct dvb_frontend *fe)
+{
+ u8 regs[][32] = {
+ { /* QM1D1C0042 Earthsoft PT3 */
+ 0x48, 0x1c, 0xa0, 0x10, 0xbc, 0xc5, 0x20, 0x33, 0x06, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+ 0x00, 0xff, 0xf3, 0x00, 0x2a, 0x64, 0xa6, 0x86, 0x8c, 0xcf, 0xb8, 0xf1, 0xa8, 0xf2, 0x89, 0x00,
+ }, { /* QM1D1C0045 untested! */
+ 0x58, 0x1C, 0xC0, 0x10, 0xBC, 0xC1, 0x15, 0x34, 0x06, 0x3e, 0x00, 0x00, 0x43, 0x00, 0x00, 0x00,
+ 0x11, 0xFF, 0xF3, 0x00, 0x3E, 0x25, 0x5C, 0xD6, 0x55, 0x8F, 0x95, 0xF6, 0x36, 0xF2, 0x09, 0x00,
+ }, { /* QM1D1C0045_2 PLEX PX-BCUD */
+ 0x68, 0x1c, 0xc0, 0x10, 0xbc, 0xc1, 0x11, 0x33, 0x03, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+ 0x00, 0xff, 0xf3, 0x00, 0x3f, 0x25, 0x5c, 0xd6, 0x55, 0xcf, 0x95, 0xf6, 0x36, 0xf2, 0x09, 0x00,
+ }
+ },
+ *reg = ((struct qm1d1c004x *)i2c_get_clientdata(fe->tuner_priv))->reg,
+ dat = 0,
+ i;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++) {
+ if (!qm1d1c004x_r(fe, 0, &dat))
+ return -EIO;
+ if (dat == regs[i][0])
+ break;
+ }
+ if (i == ARRAY_SIZE(regs))
+ return -ENOTSUPP;
+ memcpy(reg, regs[i], 32);
+ reg[0x01] |= 1 << 3;
+ reg[0x01] &= (~(1 << 0)) & 0xff;
+ reg[0x05] &= (~(1 << 3)) & 0xff;
+ dat = 0;
+ return qm1d1c004x_w(fe, 0x17, &dat, 1) ||
+ qm1d1c004x_w_tuner(fe, 0x01, reg[0x01]) ||
+ qm1d1c004x_w_tuner(fe, 0x05, reg[0x05]);
+}
+
+int qm1d1c004x_tune(struct dvb_frontend *fe)
+{
+ u32 fgap_tab[9][3] = {
+ {2151000, 1, 7}, {1950000, 1, 6}, {1800000, 1, 5},
+ {1600000, 1, 4}, {1450000, 1, 3}, {1250000, 1, 2},
+ {1200000, 0, 7}, { 975000, 0, 6}, { 950000, 0, 0}
+ };
+ u8 *reg = ((struct qm1d1c004x *)fe->tuner_priv)->reg;
+ u32 kHz = fe->dtv_property_cache.frequency - 500,
+ XtalkHz = 16000,
+ i = ((kHz + XtalkHz / 2) / XtalkHz) * XtalkHz;
+ s64 b = kHz - i;
+ u8 N = i / (4 * XtalkHz) - 3,
+ A = (i / XtalkHz) - 4 * (N + 1) - 5;
+ int sd = b < 0 ? (0x100000 / XtalkHz) * b + 0x400000 : (0x100000 / XtalkHz) * b,
+ err = qm1d1c004x_set_agc(fe, QM1D1C004X_AGC_MANUAL);
+
+ if (err)
+ return -EIO;
+
+ /* div2/vco_band */
+ for (i = 0; i < 8; i++)
+ if ((fgap_tab[i+1][0] <= kHz) && (kHz < fgap_tab[i][0]))
+ qm1d1c004x_w_tuner(fe, 0x02, (reg[0x02] & 0x0f) | fgap_tab[i][1] << 7 | fgap_tab[i][2] << 4);
+
+ reg[0x06] &= 0x40;
+ reg[0x06] |= N;
+ reg[0x07] &= 0xf0;
+ reg[0x07] |= A & 0x0f;
+
+ /* LPF */
+ reg[0x08] &= 0xf0;
+ reg[0x08] |= 0x09;
+ reg[0x13] &= 0x9f;
+ reg[0x13] |= 0x20;
+ err = qm1d1c004x_w_tuner(fe, 0x06, reg[0x06]) ||
+ qm1d1c004x_w_tuner(fe, 0x07, reg[0x07]) ||
+ qm1d1c004x_w_tuner(fe, 0x08, (reg[0x08] & 0xf0) | 2);
+ if (err)
+ return err;
+ reg[0x09] &= 0xc0;
+ reg[0x09] |= (sd >> 16) & 0x3f;
+ reg[0x0a] = (sd >> 8) & 0xff;
+ reg[0x0b] = (sd >> 0) & 0xff;
+ err = qm1d1c004x_w_tuner(fe, 0x09, reg[0x09]) ||
+ qm1d1c004x_w_tuner(fe, 0x0a, reg[0x0a]) ||
+ qm1d1c004x_w_tuner(fe, 0x0b, reg[0x0b]) ||
+ qm1d1c004x_w_tuner(fe, 0x0c, reg[0x0c] & 0x3f);
+ if (err)
+ return err;
+ msleep_interruptible(1);
+ err = qm1d1c004x_w_tuner(fe, 0x0c, reg[0x0c] | 0xc0) ||
+ qm1d1c004x_w_tuner(fe, 0x08, 0x09) ||
+ qm1d1c004x_w_tuner(fe, 0x13, reg[0x13]);
+ if (err)
+ return err;
+ for (i = 0; i < 500; i++) {
+ if (!qm1d1c004x_r(fe, 0x0d, &reg[0x0d]))
+ return -EIO;
+ if (reg[0x0d] & 0x40) /* locked */
+ return qm1d1c004x_set_agc(fe, QM1D1C004X_AGC_AUTO);
+ msleep_interruptible(1);
+ }
+ return -ETIMEDOUT;
+}
+
+int qm1d1c004x_remove(struct i2c_client *t)
+{
+ kfree(i2c_get_clientdata(t));
+ return 0;
+}
+
+int qm1d1c004x_probe(struct i2c_client *t, const struct i2c_device_id *id)
+{
+ struct dvb_frontend *fe = t->dev.platform_data;
+ struct qm1d1c004x *q = kzalloc(sizeof(struct qm1d1c004x), GFP_KERNEL);
+ u8 d[] = {0x10, 0x15, 0x04};
+
+ if (!q)
+ return -ENOMEM;
+ i2c_set_clientdata(t, q);
+ fe->ops.tuner_ops.set_params = qm1d1c004x_tune;
+ fe->ops.tuner_ops.sleep = qm1d1c004x_sleep;
+ fe->ops.tuner_ops.init = qm1d1c004x_wakeup;
+ return qm1d1c004x_w(fe, 0x1e, d, 1) ||
+ qm1d1c004x_w(fe, 0x1c, d+1, 1) ||
+ qm1d1c004x_w(fe, 0x1f, d+2, 1);
+}
+
+static struct i2c_device_id qm1d1c004x_id[] = {
+ {QM1D1C004X_MODNAME, 0},
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, qm1d1c004x_id);
+
+static struct i2c_driver qm1d1c004x_driver = {
+ .driver.name = qm1d1c004x_id->name,
+ .probe = qm1d1c004x_probe,
+ .remove = qm1d1c004x_remove,
+ .id_table = qm1d1c004x_id,
+};
+module_i2c_driver(qm1d1c004x_driver);
+
+MODULE_AUTHOR("Budi Rachmanto, AreMa Inc. <knightrider(@)are.ma>");
+MODULE_DESCRIPTION("Earthsoft PT3 QM1D1C004X ISDB-S tuner driver");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/media/tuners/qm1d1c004x.h b/drivers/media/tuners/qm1d1c004x.h
new file mode 100644
index 0000000..2fdf9cb
--- /dev/null
+++ b/drivers/media/tuners/qm1d1c004x.h
@@ -0,0 +1,23 @@
+/*
+ Sharp VA4M6JC2103 QM1D1C004x ISDB-S tuner driver
+
+ Copyright (C) Budi Rachmanto, AreMa Inc. <info@xxxxxx>
+
+ CHIP VER. CARD
+ QM1D1C0042 0x48 Earthsoft PT3
+ QM1D1C0045 0x58
+ QM1D1C0045_2 0x68 PLEX PX-BCUD
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+*/
+
+#ifndef QM1D1C004X_H
+#define QM1D1C004X_H
+
+#define QM1D1C004X_MODNAME "qm1d1c004x"
+
+#endif
+
--
2.7.4