diff options
| -rw-r--r-- | drivers/media/dvb/dvb-usb/m920x.c | 13 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/qt1010.c | 452 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/qt1010.h | 233 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/qt1010_priv.h | 105 |
6 files changed, 607 insertions, 204 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c index d47245e9fe7..fd9d19b9cf2 100644 --- a/drivers/media/dvb/dvb-usb/m920x.c +++ b/drivers/media/dvb/dvb-usb/m920x.c @@ -383,6 +383,17 @@ static int m9206_firmware_download(struct usb_device *udev, const struct firmwar return ret; } +static struct qt1010_config megasky_qt1010_config = { + .i2c_address = 0xc4 +}; + +static int megasky_tuner_attach(struct dvb_usb_adapter *adap) +{ + return dvb_attach(qt1010_attach, + adap->fe, &adap->dev->i2c_adap, + &megasky_qt1010_config) == NULL ? -ENODEV : 0; +} + /* DVB USB Driver stuff */ static struct dvb_usb_device_properties megasky_properties; @@ -442,7 +453,7 @@ static struct dvb_usb_device_properties megasky_properties = { .pid_filter_ctrl = m9206_pid_filter_ctrl, .frontend_attach = megasky_frontend_attach, - .tuner_attach = qt1010_tuner_attach, + .tuner_attach = megasky_tuner_attach, .stream = { .type = USB_BULK, diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index af314bb1dca..22c2cf2cea9 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -290,6 +290,13 @@ config DVB_TDA826X help A DVB-S silicon tuner module. Say Y when you want to support this tuner. +config DVB_TUNER_QT1010 + tristate "Quantek QT1010 silicon tuner" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A driver for the silicon tuner QT1010 from Quantek. + config DVB_TUNER_MT2060 tristate "Microtune MT2060 silicon IF tuner" depends on I2C diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 3fa6e5d32a9..a646d9969b7 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -38,5 +38,6 @@ obj-$(CONFIG_DVB_ISL6421) += isl6421.o obj-$(CONFIG_DVB_TDA10086) += tda10086.o obj-$(CONFIG_DVB_TDA826X) += tda826x.o obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o +obj-$(CONFIG_DVB_TUNER_QT1010) += qt1010.o obj-$(CONFIG_DVB_TUA6100) += tua6100.o obj-$(CONFIG_DVB_TUNER_LGH06XF) += lgh06xf.o diff --git a/drivers/media/dvb/frontends/qt1010.c b/drivers/media/dvb/frontends/qt1010.c new file mode 100644 index 00000000000..d7360f45355 --- /dev/null +++ b/drivers/media/dvb/frontends/qt1010.c @@ -0,0 +1,452 @@ +/* + * Driver for Quantek QT1010 silicon tuner + * + * Copyright (C) 2006 Antti Palosaari <crope@iki.fi> + * Aapo Tahkola <aet@rasterburn.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include "qt1010.h" +#include "qt1010_priv.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); + +#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "QT1010: " args); printk("\n"); }} while (0) + +/* read single register */ +static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val) +{ + struct i2c_msg msg[2] = { + { .addr = priv->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 }, + { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 }, + }; + + if (i2c_transfer(priv->i2c, msg, 2) != 2) { + printk(KERN_WARNING "qt1010 I2C read failed\n"); + return -EREMOTEIO; + } + return 0; +} + +/* write single register */ +static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val) +{ + u8 buf[2] = { reg, val }; + struct i2c_msg msg = { + .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2 + }; + + if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + printk(KERN_WARNING "qt1010 I2C write failed\n"); + return -EREMOTEIO; + } + return 0; +} + +/* dump all registers */ +static void qt1010_dump_regs(struct qt1010_priv *priv) +{ + char buf[52], buf2[4]; + u8 reg, val; + + for (reg = 0; ; reg++) { + if (reg % 16 == 0) { + if (reg) + printk("%s\n", buf); + sprintf(buf, "%02x: ", reg); + } + if (qt1010_readreg(priv, reg, &val) == 0) + sprintf(buf2, "%02x ", val); + else + strcpy(buf2, "-- "); + strcat(buf, buf2); + if (reg == 0x2f) + break; + } + printk("%s\n", buf); +} + +static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + struct qt1010_priv *priv; + int err; + u32 freq, div, mod1, mod2; + u8 i, tmpval, reg05; + qt1010_i2c_oper_t rd[48] = { + { QT1010_WR, 0x01, 0x80 }, + { QT1010_WR, 0x02, 0x3f }, + { QT1010_WR, 0x05, 0xff }, /* 02 c write */ + { QT1010_WR, 0x06, 0x44 }, + { QT1010_WR, 0x07, 0xff }, /* 04 c write */ + { QT1010_WR, 0x08, 0x08 }, + { QT1010_WR, 0x09, 0xff }, /* 06 c write */ + { QT1010_WR, 0x0a, 0xff }, /* 07 c write */ + { QT1010_WR, 0x0b, 0xff }, /* 08 c write */ + { QT1010_WR, 0x0c, 0xe1 }, + { QT1010_WR, 0x1a, 0xff }, /* 10 c write */ + { QT1010_WR, 0x1b, 0x00 }, + { QT1010_WR, 0x1c, 0x89 }, + { QT1010_WR, 0x11, 0xff }, /* 13 c write */ + { QT1010_WR, 0x12, 0xff }, /* 14 c write */ + { QT1010_WR, 0x22, 0xff }, /* 15 c write */ + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x1e, 0xd0 }, + { QT1010_RD, 0x22, 0xff }, /* 16 c read */ + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_RD, 0x05, 0xff }, /* 20 c read */ + { QT1010_RD, 0x22, 0xff }, /* 21 c read */ + { QT1010_WR, 0x23, 0xd0 }, + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x1e, 0xe0 }, + { QT1010_RD, 0x23, 0xff }, /* 25 c read */ + { QT1010_RD, 0x23, 0xff }, /* 26 c read */ + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x24, 0xd0 }, + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x1e, 0xf0 }, + { QT1010_RD, 0x24, 0xff }, /* 31 c read */ + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x14, 0x7f }, + { QT1010_WR, 0x15, 0x7f }, + { QT1010_WR, 0x05, 0xff }, /* 35 c write */ + { QT1010_WR, 0x06, 0x00 }, + { QT1010_WR, 0x15, 0x1f }, + { QT1010_WR, 0x16, 0xff }, + { QT1010_WR, 0x18, 0xff }, + { QT1010_WR, 0x1f, 0xff }, /* 40 c write */ + { QT1010_WR, 0x20, 0xff }, /* 41 c write */ + { QT1010_WR, 0x21, 0x53 }, + { QT1010_WR, 0x25, 0xff }, /* 43 c write */ + { QT1010_WR, 0x26, 0x15 }, + { QT1010_WR, 0x00, 0xff }, /* 45 c write */ + { QT1010_WR, 0x02, 0x00 }, + { QT1010_WR, 0x01, 0x00 } + }; + +#define FREQ1 32000000 /* 32 MHz */ +#define FREQ2 4000000 /* 4 MHz Quartz oscillator in the stick? */ + + priv = fe->tuner_priv; + freq = params->frequency; + div = (freq + QT1010_OFFSET) / QT1010_STEP; + freq = (div * QT1010_STEP) - QT1010_OFFSET; + mod1 = (freq + QT1010_OFFSET) % FREQ1; + mod2 = (freq + QT1010_OFFSET) % FREQ2; + priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; + priv->frequency = freq; + + /* reg 05 base value */ + if (freq < 290000000) reg05 = 0x14; /* 290 MHz */ + else if (freq < 610000000) reg05 = 0x34; /* 610 MHz */ + else if (freq < 802000000) reg05 = 0x54; /* 802 MHz */ + else reg05 = 0x74; + + /* 0x5 */ + rd[2].val = reg05; + + /* 07 - set frequency: 32 MHz scale */ + rd[4].val = (freq + QT1010_OFFSET) / FREQ1; + + /* 09 - changes every 8/24 MHz */ + if (mod1 < 8000000) rd[6].val = 0x1d; + else rd[6].val = 0x1c; + + /* 0a - set frequency: 4 MHz scale (max 28 MHz) */ + if (mod1 < 1*FREQ2) rd[7].val = 0x09; /* +0 MHz */ + else if (mod1 < 2*FREQ2) rd[7].val = 0x08; /* +4 MHz */ + else if (mod1 < 3*FREQ2) rd[7].val = 0x0f; /* +8 MHz */ + else if (mod1 < 4*FREQ2) rd[7].val = 0x0e; /* +12 MHz */ + else if (mod1 < 5*FREQ2) rd[7].val = 0x0d; /* +16 MHz */ + else if (mod1 < 6*FREQ2) rd[7].val = 0x0c; /* +20 MHz */ + else if (mod1 < 7*FREQ2) rd[7].val = 0x0b; /* +24 MHz */ + else rd[7].val = 0x0a; /* +28 MHz */ + + /* 0b - changes every 2/2 MHz */ + if (mod2 < 2000000) rd[8].val = 0x45; + else rd[8].val = 0x44; + + /* 1a - set frequency: 125 kHz scale (max 3875 kHz)*/ + tmpval = 0x78; /* byte, overflows intentionally */ + rd[10].val = tmpval-((mod2/QT1010_STEP)*0x08); + + /* 11 */ + rd[13].val = 0xfd; /* TODO: correct value calculation */ + + /* 12 */ + rd[14].val = 0x91; /* TODO: correct value calculation */ + + /* 22 */ + if (freq < 450000000) rd[15].val = 0xd0; /* 450 MHz */ + else if (freq < 482000000) rd[15].val = 0xd1; /* 482 MHz */ + else if (freq < 514000000) rd[15].val = 0xd4; /* 514 MHz */ + else if (freq < 546000000) rd[15].val = 0xd7; /* 546 MHz */ + else if (freq < 610000000) rd[15].val = 0xda; /* 610 MHz */ + else rd[15].val = 0xd0; + + /* 05 */ + rd[35].val = (reg05 & 0xf0); + + /* 1f */ + if (mod1 < 8000000) tmpval = 0x00; + else if (mod1 < 12000000) tmpval = 0x01; + else if (mod1 < 16000000) tmpval = 0x02; + else if (mod1 < 24000000) tmpval = 0x03; + else if (mod1 < 28000000) tmpval = 0x04; + else tmpval = 0x05; + rd[40].val = (priv->reg1f_init_val + 0x0e + tmpval); + + /* 20 */ + if (mod1 < 8000000) tmpval = 0x00; + else if (mod1 < 12000000) tmpval = 0x01; + else if (mod1 < 20000000) tmpval = 0x02; + else if (mod1 < 24000000) tmpval = 0x03; + else if (mod1 < 28000000) tmpval = 0x04; + else tmpval = 0x05; + rd[41].val = (priv->reg20_init_val + 0x0d + tmpval); + + /* 25 */ + rd[43].val = priv->reg25_init_val; + + /* 00 */ + rd[45].val = 0x92; /* TODO: correct value calculation */ + + dprintk("freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x 1a:%02x 11:%02x " \ + "12:%02x 22:%02x 05:%02x 1f:%02x 20:%02x 25:%02x 00:%02x", \ + freq, rd[2].val, rd[4].val, rd[6].val, rd[7].val, rd[8].val, \ + rd[10].val, rd[13].val, rd[14].val, rd[15].val, rd[35].val, \ + rd[40].val, rd[41].val, rd[43].val, rd[45].val); + + for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) { + if (rd[i].oper == QT1010_WR) { + err = qt1010_writereg(priv, rd[i].reg, rd[i].val); + } else { /* read is required to proper locking */ + err = qt1010_readreg(priv, rd[i].reg, &tmpval); + } + if (err) return err; + } + + if (debug) + qt1010_dump_regs(priv); + + return 0; +} + +static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_init_val, u8 *retval) +{ + u8 i, val1, val2; + int err; + + qt1010_i2c_oper_t i2c_data[] = { + { QT1010_WR, reg, reg_init_val }, + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x1e, oper }, + { QT1010_RD, reg, 0xff } + }; + + for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) { + if (i2c_data[i].oper == QT1010_WR) { + err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val); + } else { + err = qt1010_readreg(priv, i2c_data[i].reg, &val2); + } + if (err) return err; + } + + do { + val1 = val2; + err = qt1010_readreg(priv, reg, &val2); + if (err) return err; + dprintk("compare reg:%02x %02x %02x", reg, val1, val2); + } while (val1 != val2); + *retval = val1; + + return qt1010_writereg(priv, 0x1e, 0x00); +} + + +static u8 qt1010_init_meas2(struct qt1010_priv *priv, u8 reg_init_val, u8 *retval) +{ + u8 i, val; + int err; + qt1010_i2c_oper_t i2c_data[] = { + { QT1010_WR, 0x07, reg_init_val }, + { QT1010_WR, 0x22, 0xd0 }, + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x1e, 0xd0 }, + { QT1010_RD, 0x22, 0xff }, + { QT1010_WR, 0x1e, 0x00 }, + { QT1010_WR, 0x22, 0xff } + }; + for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) { + if (i2c_data[i].oper == QT1010_WR) { + err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val); + } else { + err = qt1010_readreg(priv, i2c_data[i].reg, &val); + } + if (err) return err; + } + *retval = val; + return 0; +} + +static int qt1010_init(struct dvb_frontend *fe) +{ + struct qt1010_priv *priv = fe->tuner_priv; + struct dvb_frontend_parameters params; + int err; + u8 i, tmpval, *valptr = NULL; + + qt1010_i2c_oper_t i2c_data[] = { + { QT1010_WR, 0x01, 0x80 }, + { QT1010_WR, 0x0d, 0x84 }, + { QT1010_WR, 0x0e, 0xb7 }, + { QT1010_WR, 0x2a, 0x23 }, + { QT1010_WR, 0x2c, 0xdc }, + { QT1010_M1, 0x25, 0x40 }, /* get reg 25 init value */ + { QT1010_M1, 0x81, 0xff }, /* get reg 25 init value */ + { QT1010_WR, 0x2b, 0x70 }, + { QT1010_WR, 0x2a, 0x23 }, + { QT1010_M1, 0x26, 0x08 }, + { QT1010_M1, 0x82, 0xff }, + { QT1010_WR, 0x05, 0x14 }, + { QT1010_WR, 0x06, 0x44 }, + { QT1010_WR, 0x07, 0x28 }, + { QT1010_WR, 0x08, 0x0b }, + { QT1010_WR, 0x11, 0xfd }, + { QT1010_M1, 0x22, 0x0d }, + { QT1010_M1, 0xd0, 0xff }, + { QT1010_WR, 0x06, 0x40 }, + { QT1010_WR, 0x16, 0xf0 }, + { QT1010_WR, 0x02, 0x38 }, + { QT1010_WR, 0x03, 0x18 }, + { QT1010_WR, 0x20, 0xe0 }, + { QT1010_M1, 0x1f, 0x20 }, /* get reg 1f init value */ + { QT1010_M1, 0x84, 0xff }, /* get reg 1f init value */ + { QT1010_RD, 0x20, 0x20 }, /* get reg 20 init value */ + { QT1010_WR, 0x03, 0x19 }, + { QT1010_WR, 0x02, 0x3f }, + { QT1010_WR, 0x21, 0x53 }, + { QT1010_RD, 0x21, 0xff }, + { QT1010_WR, 0x11, 0xfd }, + { QT1010_WR, 0x05, 0x34 }, + { QT1010_WR, 0x06, 0x44 }, + { QT1010_WR, 0x08, 0x08 } + }; + + for (i = 0; i < sizeof(i2c_data) / sizeof(*i2c_data); i++) { + switch (i2c_data[i].oper) { + case QT1010_WR: + err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val); + break; + case QT1010_RD: + if (i2c_data[i].val == 0x20) valptr = &priv->reg20_init_val; + else valptr = &tmpval; + err = qt1010_readreg(priv, i2c_data[i].reg, valptr); + break; + case QT1010_M1: + if (i2c_data[i].val == 0x25) valptr = &priv->reg25_init_val; + else if (i2c_data[i].val == 0x1f) valptr = &priv->reg1f_init_val; + else valptr = &tmpval; + err = qt1010_init_meas1(priv, i2c_data[i+1].reg, i2c_data[i].reg, + i2c_data[i].val, valptr); + i++; + break; + } + if (err) return err; + } + + for (i = 0x31; i < 0x3a; i++) /* 0x31 - 0x39 */ + if ((err = qt1010_init_meas2(priv, i, &tmpval))) + return err; + + params.frequency = 545000000; /* Sigmatek DVB-110 545000000 */ + /* MSI Megasky 580 GL861 533000000 */ + return qt1010_set_params(fe, ¶ms); +} + +static int qt1010_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct qt1010_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static int qt1010_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +{ + struct qt1010_priv *priv = fe->tuner_priv; + *bandwidth = priv->bandwidth; + return 0; +} + +static const struct dvb_tuner_ops qt1010_tuner_ops = { + .info = { + .name = "Quantek QT1010", + .frequency_min = QT1010_MIN_FREQ, + .frequency_max = QT1010_MAX_FREQ, + .frequency_step = QT1010_STEP, + }, + + .release = qt1010_release, + .init = qt1010_init, + /* TODO: implement sleep */ + + .set_params = qt1010_set_params, + .get_frequency = qt1010_get_frequency, + .get_bandwidth = qt1010_get_bandwidth +}; + +struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct qt1010_config *cfg) +{ + struct qt1010_priv *priv = NULL; + u8 id; + + priv = kzalloc(sizeof(struct qt1010_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->cfg = cfg; + priv->i2c = i2c; + + + /* Try to detect tuner chip. Probably this is not correct register. */ + if (qt1010_readreg(priv, 0x29, &id) != 0 || (id != 0x39)) { + kfree(priv); + return NULL; + } + + printk(KERN_INFO "Quantek QT1010 successfully identified.\n"); + memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops, sizeof(struct dvb_tuner_ops)); + + fe->tuner_priv = priv; + return fe; +} +EXPORT_SYMBOL(qt1010_attach); + +MODULE_DESCRIPTION("Quantek QT1010 silicon tuner driver"); +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>"); +MODULE_VERSION("0.1"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/qt1010.h b/drivers/media/dvb/frontends/qt1010.h index 8196985e4e4..3ab4aa045c3 100644 --- a/drivers/media/dvb/frontends/qt1010.h +++ b/drivers/media/dvb/frontends/qt1010.h @@ -1,5 +1,8 @@ /* - * qt1010.h - DVB-T Tuner support + * Driver for Quantek QT1010 silicon tuner + * + * Copyright (C) 2006 Antti Palosaari <crope@iki.fi> + * Aapo Tahkola <aet@rasterburn.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -16,211 +19,35 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifndef _QT1010_H_ -#define _QT1010_H_ - -#define QT1010_W 0 -#define QT1010_R 1 -/* Not actual hw limits. */ -#define QT1010_MIN_STEP 2000000 -#define QT1010_MIN_FREQ 48000000 - -static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) -{ - int i; - int div, mod; - struct { - u8 read, reg, value; - } rd[46] = { { QT1010_W, 0x01, 0x80 }, - { QT1010_W, 0x02, 0x3f }, - { QT1010_W, 0x05, 0xff }, /* c */ - { QT1010_W, 0x06, 0x44 }, - { QT1010_W, 0x07, 0xff }, /* c */ - { QT1010_W, 0x08, 0x08 }, - { QT1010_W, 0x09, 0xff }, /* c */ - { QT1010_W, 0x0a, 0xff }, /* c */ - { QT1010_W, 0x0b, 0xff }, /* c */ - { QT1010_W, 0x0c, 0xe1 }, - { QT1010_W, 0x1a, 0xff }, /* 10 c */ - { QT1010_W, 0x1b, 0x00 }, - { QT1010_W, 0x1c, 0x89 }, - { QT1010_W, 0x11, 0xff }, /* c */ - { QT1010_W, 0x12, 0x91 }, - { QT1010_W, 0x22, 0xff }, /* c */ - { QT1010_W, 0x1e, 0x00 }, - { QT1010_W, 0x1e, 0xd0 }, - { QT1010_R, 0x22, 0xff }, /* c read */ - { QT1010_W, 0x1e, 0x00 }, - { QT1010_R, 0x05, 0xff }, /* 20 c read */ - { QT1010_R, 0x22, 0xff }, /* c read */ - { QT1010_W, 0x23, 0xd0 }, - { QT1010_W, 0x1e, 0x00 }, - { QT1010_W, 0x1e, 0xe0 }, - { QT1010_R, 0x23, 0xff }, /* c read */ - { QT1010_W, 0x1e, 0x00 }, - { QT1010_W, 0x24, 0xd0 }, - { QT1010_W, 0x1e, 0x00 }, - { QT1010_W, 0x1e, 0xf0 }, - { QT1010_R, 0x24, 0xff }, /* 30 c read */ - { QT1010_W, 0x1e, 0x00 }, - { QT1010_W, 0x14, 0x7f }, - { QT1010_W, 0x15, 0x7f }, - { QT1010_W, 0x05, 0xff }, /* c */ - { QT1010_W, 0x06, 0x00 }, - { QT1010_W, 0x15, 0x1f }, - { QT1010_W, 0x16, 0xff }, - { QT1010_W, 0x18, 0xff }, - { QT1010_W, 0x1f, 0xff }, /* c */ - { QT1010_W, 0x20, 0xff }, /* 40 c */ - { QT1010_W, 0x21, 0x53 }, - { QT1010_W, 0x25, 0xbd }, - { QT1010_W, 0x26, 0x15 }, - { QT1010_W, 0x02, 0x00 }, - { QT1010_W, 0x01, 0x00 }, - }; - struct i2c_msg msg; - struct dvb_usb_adapter *adap = fe->dvb->priv; - unsigned long freq = params->frequency; - - if (freq % QT1010_MIN_STEP) - printk("frequency not supported.\n"); - - div = (freq - QT1010_MIN_FREQ) / QT1010_MIN_STEP; - mod = (div + 16 - 9) % 16; - - /* 0x5 */ - if (div >= 377) - rd[2].value = 0x74; - else if (div >= 265) - rd[2].value = 0x54; - else if (div >= 121) - rd[2].value = 0x34; - else - rd[2].value = 0x14; - - /* 0x7 */ - rd[4].value = (((freq - QT1010_MIN_FREQ) / 1000000) * 9975 + 12960000) / 320000; - - /* 09 */ - if (mod < 4) - rd[6].value = 0x1d; - else - rd[6].value = 0x1c; - - /* 0a */ - if (mod < 2) - rd[7].value = 0x09; - else if (mod < 4) - rd[7].value = 0x08; - else if (mod < 6) - rd[7].value = 0x0f; - else if (mod < 8) - rd[7].value = 0x0e; - else if (mod < 10) - rd[7].value = 0x0d; - else if (mod < 12) - rd[7].value = 0x0c; - else if (mod < 14) - rd[7].value = 0x0b; - else - rd[7].value = 0x0a; - - /* 0b */ - if (div & 1) - rd[8].value = 0x45; - else - rd[8].value = 0x44; - - /* 1a */ - if (div & 1) - rd[10].value = 0x78; - else - rd[10].value = 0xf8; +#ifndef QT1010_H +#define QT1010_H - /* 11 */ - if (div >= 265) - rd[13].value = 0xf9; - else if (div >= 121) - rd[13].value = 0xfd; - else - rd[13].value = 0xf9; +#include "dvb_frontend.h" - /* 22 */ - if (div < 201) - rd[15].value = 0xd0; - else if (div < 217) - rd[15].value = 0xd3; - else if (div < 233) - rd[15].value = 0xd6; - else if (div < 249) - rd[15].value = 0xd9; - else if (div < 265) - rd[15].value = 0xda; - else - rd[15].value = 0xd0; +struct qt1010_config { + u8 i2c_address; +}; - /* 05 */ - if (div >= 377) - rd[34].value = 0x70; - else if (div >= 265) - rd[34].value = 0x50; - else if (div >= 121) - rd[34].value = 0x30; - else - rd[34].value = 0x10; - - /* 1f */ - if (mod < 4) - rd[39].value = 0x64; - else if (mod < 6) - rd[39].value = 0x66; - else if (mod < 8) - rd[39].value = 0x67; - else if (mod < 12) - rd[39].value = 0x68; - else if (mod < 14) - rd[39].value = 0x69; - else - rd[39].value = 0x6a; - - /* 20 */ - if (mod < 4) - rd[40].value = 0x10; - else if (mod < 6) - rd[40].value = 0x11; - else if (mod < 10) - rd[40].value = 0x12; - else if (mod < 12) - rd[40].value = 0x13; - else if (mod < 14) - rd[40].value = 0x14; - else - rd[40].value = 0x15; - - for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) { - if (rd[i].read) - continue; - - msg.flags = 0; - msg.len = 2; - msg.addr = adap->dev->adapter[0].pll_addr; - msg.buf = &rd[i].reg; - - if (i2c_transfer(&adap->dev->i2c_adap, &msg, 1) != 1) { - printk("tuner write failed\n"); - return -EIO; - } - } - - return 0; -} - -static int qt1010_tuner_attach(struct dvb_usb_adapter *adap) +/** + * Attach a qt1010 tuner to the supplied frontend structure. + * + * @param fe frontend to attach to + * @param i2c i2c adapter to use + * @param cfg tuner hw based configuration + * @return fe pointer on success, NULL on failure + */ +#if defined(CONFIG_DVB_TUNER_QT1010) || (defined(CONFIG_DVB_TUNER_QT1010_MODULE) && defined(MODULE)) +extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct qt1010_config *cfg); +#else +static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, + struct qt1010_config *cfg) { - adap->pll_addr = 0xc4; - adap->pll_desc = NULL; - adap->fe->ops.tuner_ops.set_params = qt1010_set_params; - - return 0; + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; } +#endif // CONFIG_DVB_TUNER_QT1010 + #endif diff --git a/drivers/media/dvb/frontends/qt1010_priv.h b/drivers/media/dvb/frontends/qt1010_priv.h new file mode 100644 index 00000000000..090cf475f09 --- /dev/null +++ b/drivers/media/dvb/frontends/qt1010_priv.h @@ -0,0 +1,105 @@ +/* + * Driver for Quantek QT1010 silicon tuner + * + * Copyright (C) 2006 Antti Palosaari <crope@iki.fi> + * Aapo Tahkola <aet@rasterburn.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef QT1010_PRIV_H +#define QT1010_PRIV_H + +/* +reg def meaning +=== === ======= +00 00 ? +01 a0 ? operation start/stop; start=80, stop=00 +02 00 ? +03 19 ? +04 00 ? +05 00 ? maybe band selection +06 00 ? +07 2b set frequency: 32 MHz scale, n*32 MHz +08 0b ? +09 10 ? changes every 8/24 MHz; values 1d/1c +0a 08 set frequency: 4 MHz scale, n*4 MHz +0b 41 ? changes every 2/2 MHz; values 45/45 +0c e1 ? +0d 94 ? +0e b6 ? +0f 2c ? +10 10 ? +11 f1 ? maybe device specified adjustment +12 11 ? maybe device specified adjustment +13 3f ? +14 1f ? +15 3f ? +16 ff ? +17 ff ? +18 f7 ? +19 80 ? +1a d0 set frequency: 125 kHz scale, n*125 kHz +1b 00 ? +1c 89 ? +1d 00 ? +1e 00 ? looks like operation register; write cmd here, read result from 1f-26 +1f 20 ? chip initialization +20 e0 ? chip initialization +21 20 ? +22 d0 ? +23 d0 ? +24 d0 ? +25 40 ? chip initialization +26 08 ? +27 29 ? +28 55 ? +29 39 ? +2a 13 ? +2b 01 ? +2c ea ? +2d 00 ? +2e 00 ? not used? +2f 00 ? not used? +*/ + +#define QT1010_STEP 125000 /* 125 kHz used by Windows drivers, + hw could be more precise but we don't + know how to use */ +#define QT1010_MIN_FREQ 48000000 /* 48 MHz */ +#define QT1010_MAX_FREQ 860000000 /* 860 MHz */ +#define QT1010_OFFSET 1246000000 /* 1246 MHz */ + +#define QT1010_WR 0 +#define QT1010_RD 1 +#define QT1010_M1 3 + +typedef struct { + u8 oper, reg, val; +} qt1010_i2c_oper_t; + +struct qt1010_priv { + struct qt1010_config *cfg; + struct i2c_adapter *i2c; + + u8 reg1f_init_val; + u8 reg20_init_val; + u8 reg25_init_val; + + u32 frequency; + u32 bandwidth; +}; + +#endif |