From: Буди Романто, AreMa Inc <knightri...@are.ma> Signed-off-by: Буди Романто, AreMa Inc <knightri...@are.ma> --- 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. <i...@are.ma> + + 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, ®[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. <i...@are.ma> + + 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 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html