diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-i2c.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-i2c.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c b/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c deleted file mode 100644 index 70df31b0a8a..00000000000 --- a/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c +++ /dev/null @@ -1,127 +0,0 @@ -/* dvb-usb-i2c.c is part of the DVB USB library. - * - * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) - * see dvb-usb-init.c for copyright information. - * - * This file contains functions for (de-)initializing an I2C adapter. - */ -#include "dvb-usb-common.h" - -int dvb_usb_i2c_init(struct dvb_usb_device *d) -{ - int ret = 0; - - if (!(d->props.caps & DVB_USB_IS_AN_I2C_ADAPTER)) - return 0; - - if (d->props.i2c_algo == NULL) { - err("no i2c algorithm specified"); - return -EINVAL; - } - - strncpy(d->i2c_adap.name,d->desc->name,I2C_NAME_SIZE); -#ifdef I2C_ADAP_CLASS_TV_DIGITAL - d->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL, -#else - d->i2c_adap.class = I2C_CLASS_TV_DIGITAL, -#endif - d->i2c_adap.algo = d->props.i2c_algo; - d->i2c_adap.algo_data = NULL; - d->i2c_adap.dev.parent = &d->udev->dev; - - i2c_set_adapdata(&d->i2c_adap, d); - - if ((ret = i2c_add_adapter(&d->i2c_adap)) < 0) - err("could not add i2c adapter"); - - d->state |= DVB_USB_STATE_I2C; - - return ret; -} - -int dvb_usb_i2c_exit(struct dvb_usb_device *d) -{ - if (d->state & DVB_USB_STATE_I2C) - i2c_del_adapter(&d->i2c_adap); - d->state &= ~DVB_USB_STATE_I2C; - return 0; -} - -int dvb_usb_tuner_init_i2c(struct dvb_frontend *fe) -{ - struct dvb_usb_adapter *adap = fe->dvb->priv; - struct i2c_msg msg = { .addr = adap->pll_addr, .flags = 0, .buf = adap->pll_init, .len = 4 }; - int ret = 0; - - /* if pll_desc is not used */ - if (adap->pll_desc == NULL) - return 0; - - if (adap->tuner_pass_ctrl) - adap->tuner_pass_ctrl(fe, 1, adap->pll_addr); - - deb_pll("pll init: %x\n",adap->pll_addr); - deb_pll("pll-buf: %x %x %x %x\n",adap->pll_init[0], adap->pll_init[1], - adap->pll_init[2], adap->pll_init[3]); - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - if (i2c_transfer (&adap->dev->i2c_adap, &msg, 1) != 1) { - err("tuner i2c write failed for pll_init."); - ret = -EREMOTEIO; - } - msleep(1); - - if (adap->tuner_pass_ctrl) - adap->tuner_pass_ctrl(fe,0,adap->pll_addr); - return ret; -} -EXPORT_SYMBOL(dvb_usb_tuner_init_i2c); - -int dvb_usb_tuner_calc_regs(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep, u8 *b, int buf_len) -{ - struct dvb_usb_adapter *adap = fe->dvb->priv; - - if (buf_len != 5) - return -EINVAL; - if (adap->pll_desc == NULL) - return 0; - - deb_pll("pll addr: %x, freq: %d %p\n",adap->pll_addr, fep->frequency, adap->pll_desc); - - b[0] = adap->pll_addr; - dvb_pll_configure(adap->pll_desc, &b[1], fep->frequency, fep->u.ofdm.bandwidth); - - deb_pll("pll-buf: %x %x %x %x %x\n",b[0],b[1],b[2],b[3],b[4]); - - return 5; -} -EXPORT_SYMBOL(dvb_usb_tuner_calc_regs); - -int dvb_usb_tuner_set_params_i2c(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep) -{ - struct dvb_usb_adapter *adap = fe->dvb->priv; - int ret = 0; - u8 b[5]; - struct i2c_msg msg = { .addr = adap->pll_addr, .flags = 0, .buf = &b[1], .len = 4 }; - - dvb_usb_tuner_calc_regs(fe,fep,b,5); - - if (adap->tuner_pass_ctrl) - adap->tuner_pass_ctrl(fe, 1, adap->pll_addr); - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - - if (i2c_transfer(&adap->dev->i2c_adap, &msg, 1) != 1) { - err("tuner i2c write failed for pll_set."); - ret = -EREMOTEIO; - } - msleep(1); - - if (adap->tuner_pass_ctrl) - adap->tuner_pass_ctrl(fe, 0, adap->pll_addr); - - return ret; -} -EXPORT_SYMBOL(dvb_usb_tuner_set_params_i2c); |