mirror of https://gitee.com/openkylin/linux.git
[media] HDIC HD29L2 DMB-TH USB2.0 reference design driver
Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
ee9b8c8c27
commit
b021bd84d2
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@ -361,6 +361,13 @@ config DVB_USB_EC168
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help
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Say Y here to support the E3C EC168 DVB-T USB2.0 receiver.
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config DVB_USB_HDIC
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tristate "HDIC HD29L2 reference design"
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depends on DVB_USB
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select DVB_HD29L2 if !DVB_FE_CUSTOMISE
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help
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Say Y here to support the HDIC HD29L2 reference design.
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config DVB_USB_AZ6027
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tristate "Azurewave DVB-S/S2 USB2.0 AZ6027 support"
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depends on DVB_USB
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@ -88,6 +88,9 @@ obj-$(CONFIG_DVB_USB_FRIIO) += dvb-usb-friio.o
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dvb-usb-ec168-objs = ec168.o
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obj-$(CONFIG_DVB_USB_EC168) += dvb-usb-ec168.o
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dvb-usb-hdic-objs = hdic.o
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obj-$(CONFIG_DVB_USB_HDIC) += dvb-usb-hdic.o
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dvb-usb-az6027-objs = az6027.o
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obj-$(CONFIG_DVB_USB_AZ6027) += dvb-usb-az6027.o
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@ -0,0 +1,365 @@
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/*
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* DVB USB Linux driver for the HDIC receiver
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*
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* Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D
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*
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* Author: Antti Palosaari <crope@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "hdic.h"
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#include "hd29l2.h"
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#include "mxl5007t.h"
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/* debug */
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static int dvb_usb_hdic_debug;
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module_param_named(debug, dvb_usb_hdic_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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/*
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* I2C addresses (7bit) found by probing I2C bus:
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* 0x48 ??
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* 0x51 eeprom
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* 0x60 MaxLinear MXL5007T tuner
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* 0x73 HDIC HD29L2 demod
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*
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* Xtals:
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* 24.000 MHz Cypress CY7C68013A-56 (FX2)
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* 30.400 MHz HDIC HD29L2
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* 24.000 MHz MaxLinear MXL5007T
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*
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* I/Os:
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* RDY1 / SLWR == TS_CLK (USB_SLWR = !TS_CLK&TS_VALID)
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* PA1 / INT1 == 29L1_RESET RST_N
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*/
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/*
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* See Qanu DVB-T USB2.0 communication protocol specification for more
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* information used USB API.
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*/
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/* I2C */
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static int hdic_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
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int num)
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{
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int ret;
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struct dvb_usb_device *d = i2c_get_adapdata(adap);
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u8 buf[64];
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/*
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* increase sleep when there is a lot of errors:
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* dvb-usb: recv bulk message failed: -110
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*/
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#define HDIC_I2C_SLEEP 1
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
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(msg[1].flags & I2C_M_RD)) {
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/* I2C write + read combination (typical register read) */
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buf[0] = HDIC_CMD_I2C;
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buf[1] = (msg[0].addr << 1); /* I2C write */
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buf[2] = msg[0].len;
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buf[3] = 1; /* no I2C stop => repeated start */
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memcpy(&buf[4], msg[0].buf, msg[0].len);
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ret = dvb_usb_generic_rw(d, buf, 4+msg[0].len, buf, 1,
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HDIC_I2C_SLEEP);
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if (ret)
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goto err;
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buf[0] = HDIC_CMD_I2C;
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buf[1] = (msg[1].addr << 1) | 0x01; /* I2C read */
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buf[2] = msg[1].len;
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buf[3] = 0; /* I2C stop */
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ret = dvb_usb_generic_rw(d, buf, 4, buf, 1+msg[1].len,
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HDIC_I2C_SLEEP);
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if (ret)
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goto err;
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memcpy(msg[1].buf, &buf[1], msg[1].len);
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} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
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/* I2C write (typical register write) */
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buf[0] = HDIC_CMD_I2C;
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buf[1] = (msg[0].addr << 1); /* I2C write */
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buf[2] = msg[0].len;
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buf[3] = 0; /* I2C stop */
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memcpy(&buf[4], msg[0].buf, msg[0].len);
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ret = dvb_usb_generic_rw(d, buf, 4+msg[0].len, buf, 1,
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HDIC_I2C_SLEEP);
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if (ret)
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goto err;
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} else {
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ret = -EOPNOTSUPP;
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goto err;
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}
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usleep_range(100, 1000);
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mutex_unlock(&d->i2c_mutex);
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return num;
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err:
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deb_info("%s: failed=%d\n", __func__, ret);
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mutex_unlock(&d->i2c_mutex);
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return ret;
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}
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static u32 hdic_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static struct i2c_algorithm hdic_i2c_algo = {
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.master_xfer = hdic_i2c_xfer,
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.functionality = hdic_i2c_func,
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};
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/* Callbacks for DVB USB */
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static int hdic_power_ctrl(struct dvb_usb_device *d, int enable)
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{
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u8 sbuf[] = { HDIC_CMD_SLEEP_MODE, enable ? 0 : 1 };
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u8 rbuf[1];
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deb_info("%s: enable=%d\n", __func__, enable);
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return dvb_usb_generic_rw(d, sbuf, sizeof(sbuf), rbuf, sizeof(rbuf), 0);
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}
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static int hdic_streaming_ctrl(struct dvb_usb_adapter *adap, int enable)
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{
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u8 sbuf[] = { HDIC_CMD_CONTROL_STREAM_TRANSFER, enable };
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u8 rbuf[1];
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deb_info("%s: enable=%d\n", __func__, enable);
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return dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,
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sizeof(rbuf), 0);
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}
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/* general callback */
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static int hdic_frontend_callback(void *priv, int component, int cmd, int arg)
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{
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int ret;
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struct dvb_frontend *fe = priv;
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struct dvb_usb_adapter *adap = fe->dvb->priv;
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u8 sbuf[2] = { HDIC_CMD_DEMOD_RESET };
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u8 rbuf[1];
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deb_info("%s:\n", __func__);
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/* enable demod reset */
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sbuf[1] = 1;
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ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf),
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rbuf, sizeof(rbuf), 0);
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if (ret)
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deb_info("%s: failed enable demod reset\n", __func__);
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usleep_range(100, 10000);
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/* disable demod reset */
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sbuf[1] = 0;
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ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,
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sizeof(rbuf), 0);
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if (ret)
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deb_info("%s: failed disable demod reset\n", __func__);
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return 0;
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}
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static struct hd29l2_config hdic_hd29l2_config = {
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.i2c_addr = 0x73,
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.tuner_i2c_addr = 0x60,
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.ts_mode = HD29L2_TS_PARALLEL,
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};
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static int hdic_frontend_attach(struct dvb_usb_adapter *adap)
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{
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int ret;
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u8 sbuf[2];
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u8 rbuf[3];
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deb_info("%s:\n", __func__);
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/* wake-up device */
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sbuf[0] = HDIC_CMD_GET_FIRMWARE_VERSION;
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ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,
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sizeof(rbuf), 0);
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if (ret)
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deb_info("%s: failed wake-up\n", __func__);
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/* disable demod reset */
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sbuf[0] = HDIC_CMD_DEMOD_RESET;
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sbuf[1] = 0;
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ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf,
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sizeof(rbuf), 0);
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if (ret)
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deb_info("%s: failed disable demod reset\n", __func__);
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/* attach demod */
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adap->fe_adap[0].fe = dvb_attach(hd29l2_attach, &hdic_hd29l2_config,
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&adap->dev->i2c_adap);
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if (adap->fe_adap[0].fe == NULL) {
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ret = -ENODEV;
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goto err;
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}
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/* setup the reset callback */
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adap->fe_adap[0].fe->callback = hdic_frontend_callback;
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return 0;
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err:
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deb_info("%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static struct mxl5007t_config hdic_mxl5007t_config = {
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.xtal_freq_hz = MxL_XTAL_24_MHZ,
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.if_freq_hz = MxL_IF_36_15_MHZ,
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.invert_if = 1,
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};
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static int hdic_tuner_attach(struct dvb_usb_adapter *adap)
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{
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int ret;
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deb_info("%s:\n", __func__);
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if (dvb_attach(mxl5007t_attach, adap->fe_adap[0].fe,
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&adap->dev->i2c_adap, 0x60, &hdic_mxl5007t_config) == NULL) {
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ret = -ENODEV;
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goto err;
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}
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return 0;
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err:
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deb_info("%s: failed=%d\n", __func__, ret);
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return ret;
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}
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/* DVB USB Driver stuff */
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static struct dvb_usb_device_properties hdic_properties;
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static int hdic_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf, &hdic_properties, THIS_MODULE, NULL,
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adapter_nr);
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}
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/*
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* 04b4:1004 HDIC development board firmware
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* 04b4:8613 CY7C68013 EZ-USB FX2 USB 2.0 Development Kit
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*/
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static struct usb_device_id hdic_id[] = {
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#define HDIC_8613 0 /* CY7C68013 EZ-USB FX2 USB 2.0 Development Kit */
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#define HDIC_1004 1 /* HDIC 04b4:1004 */
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#define HDIC_LINUX 2 /* HDIC Linux custom firmware */
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[HDIC_8613] = {USB_DEVICE(USB_VID_CYPRESS, 0x8613)},
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[HDIC_1004] = {USB_DEVICE(USB_VID_CYPRESS, 0x1004)},
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[HDIC_LINUX] = {USB_DEVICE(USB_VID_CYPRESS, 0x1e04)},
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{} /* terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, hdic_id);
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static struct dvb_usb_device_properties hdic_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-hdic.fw",
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.num_adapters = 1,
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.adapter = {
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{
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.num_frontends = 1,
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.fe = {
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{
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.streaming_ctrl = hdic_streaming_ctrl,
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.frontend_attach = hdic_frontend_attach,
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.tuner_attach = hdic_tuner_attach,
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.stream = {
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.type = USB_BULK,
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.count = 5,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize =
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(4*512),
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}
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}
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},
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}
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},
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}
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},
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.power_ctrl = hdic_power_ctrl,
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.i2c_algo = &hdic_i2c_algo,
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.generic_bulk_ctrl_endpoint = 1,
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.num_device_descs = 1,
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.devices = {
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{
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.name = "HDIC reference design",
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.cold_ids = {&hdic_id[HDIC_8613],
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&hdic_id[HDIC_1004], NULL},
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.warm_ids = {&hdic_id[HDIC_LINUX], NULL},
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},
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}
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};
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static struct usb_driver hdic_driver = {
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.name = "dvb_usb_hdic",
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.probe = hdic_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = hdic_id,
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};
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/* module stuff */
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static int __init hdic_module_init(void)
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{
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int ret;
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deb_info("%s:\n", __func__);
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ret = usb_register(&hdic_driver);
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if (ret)
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err("module init failed=%d", ret);
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return ret;
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}
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static void __exit hdic_module_exit(void)
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{
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deb_info("%s:\n", __func__);
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/* deregister this driver from the USB subsystem */
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usb_deregister(&hdic_driver);
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}
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module_init(hdic_module_init);
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module_exit(hdic_module_exit);
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MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
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MODULE_DESCRIPTION("HDIC DMB-TH reference design USB2.0 driver (custom firmware)");
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MODULE_LICENSE("GPL");
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@ -0,0 +1,45 @@
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/*
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* DVB USB Linux driver for the HDIC receiver
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*
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* Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D
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*
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||||
* Author: Antti Palosaari <crope@iki.fi>
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*
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||||
* 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
|
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
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*/
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#ifndef HDIC_H
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#define HDIC_H
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#define DVB_USB_LOG_PREFIX "hdic"
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#include "dvb-usb.h"
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#define deb_info(args...) dprintk(dvb_usb_hdic_debug, 0x01, args)
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#define deb_rc(args...) dprintk(dvb_usb_hdic_debug, 0x02, args)
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#define deb_xfer(args...) dprintk(dvb_usb_hdic_debug, 0x04, args)
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#define deb_reg(args...) dprintk(dvb_usb_hdic_debug, 0x08, args)
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#define deb_i2c(args...) dprintk(dvb_usb_hdic_debug, 0x10, args)
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#define deb_fw(args...) dprintk(dvb_usb_hdic_debug, 0x20, args)
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enum hdic_cmd {
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HDIC_CMD_I2C = 0x00,
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HDIC_CMD_CONTROL_STREAM_TRANSFER = 0x03,
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HDIC_CMD_SLEEP_MODE = 0x09,
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HDIC_CMD_GET_FIRMWARE_VERSION = 0x0a,
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HDIC_CMD_DEMOD_RESET = 0x0b,
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};
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#endif
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