From: Antti Palosaari Date: Mon, 7 Nov 2011 12:28:29 +0000 (-0300) Subject: [media] HDIC HD29L2 DMB-TH USB2.0 reference design driver X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b021bd84d27583017f3f50f98bb1b952c8450342;p=linux-beck.git [media] HDIC HD29L2 DMB-TH USB2.0 reference design driver Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 9f203c6767a6..df36488b7031 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -361,6 +361,13 @@ config DVB_USB_EC168 help Say Y here to support the E3C EC168 DVB-T USB2.0 receiver. +config DVB_USB_HDIC + tristate "HDIC HD29L2 reference design" + depends on DVB_USB + select DVB_HD29L2 if !DVB_FE_CUSTOMISE + help + Say Y here to support the HDIC HD29L2 reference design. + config DVB_USB_AZ6027 tristate "Azurewave DVB-S/S2 USB2.0 AZ6027 support" depends on DVB_USB diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile index 26c8b9e57050..bd724a7eaba6 100644 --- a/drivers/media/dvb/dvb-usb/Makefile +++ b/drivers/media/dvb/dvb-usb/Makefile @@ -88,6 +88,9 @@ obj-$(CONFIG_DVB_USB_FRIIO) += dvb-usb-friio.o dvb-usb-ec168-objs = ec168.o obj-$(CONFIG_DVB_USB_EC168) += dvb-usb-ec168.o +dvb-usb-hdic-objs = hdic.o +obj-$(CONFIG_DVB_USB_HDIC) += dvb-usb-hdic.o + dvb-usb-az6027-objs = az6027.o obj-$(CONFIG_DVB_USB_AZ6027) += dvb-usb-az6027.o diff --git a/drivers/media/dvb/dvb-usb/hdic.c b/drivers/media/dvb/dvb-usb/hdic.c new file mode 100644 index 000000000000..c5768c8f47b8 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/hdic.c @@ -0,0 +1,365 @@ +/* + * DVB USB Linux driver for the HDIC receiver + * + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D + * + * Author: Antti Palosaari + * + * 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 "hdic.h" +#include "hd29l2.h" +#include "mxl5007t.h" + +/* debug */ +static int dvb_usb_hdic_debug; +module_param_named(debug, dvb_usb_hdic_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +/* + * I2C addresses (7bit) found by probing I2C bus: + * 0x48 ?? + * 0x51 eeprom + * 0x60 MaxLinear MXL5007T tuner + * 0x73 HDIC HD29L2 demod + * + * Xtals: + * 24.000 MHz Cypress CY7C68013A-56 (FX2) + * 30.400 MHz HDIC HD29L2 + * 24.000 MHz MaxLinear MXL5007T + * + * I/Os: + * RDY1 / SLWR == TS_CLK (USB_SLWR = !TS_CLK&TS_VALID) + * PA1 / INT1 == 29L1_RESET RST_N + */ + +/* + * See Qanu DVB-T USB2.0 communication protocol specification for more + * information used USB API. + */ + +/* I2C */ +static int hdic_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], + int num) +{ + int ret; + struct dvb_usb_device *d = i2c_get_adapdata(adap); + u8 buf[64]; + + /* + * increase sleep when there is a lot of errors: + * dvb-usb: recv bulk message failed: -110 + */ +#define HDIC_I2C_SLEEP 1 + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + if (num == 2 && !(msg[0].flags & I2C_M_RD) && + (msg[1].flags & I2C_M_RD)) { + /* I2C write + read combination (typical register read) */ + buf[0] = HDIC_CMD_I2C; + buf[1] = (msg[0].addr << 1); /* I2C write */ + buf[2] = msg[0].len; + buf[3] = 1; /* no I2C stop => repeated start */ + memcpy(&buf[4], msg[0].buf, msg[0].len); + ret = dvb_usb_generic_rw(d, buf, 4+msg[0].len, buf, 1, + HDIC_I2C_SLEEP); + if (ret) + goto err; + + buf[0] = HDIC_CMD_I2C; + buf[1] = (msg[1].addr << 1) | 0x01; /* I2C read */ + buf[2] = msg[1].len; + buf[3] = 0; /* I2C stop */ + ret = dvb_usb_generic_rw(d, buf, 4, buf, 1+msg[1].len, + HDIC_I2C_SLEEP); + if (ret) + goto err; + + memcpy(msg[1].buf, &buf[1], msg[1].len); + + } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) { + /* I2C write (typical register write) */ + buf[0] = HDIC_CMD_I2C; + buf[1] = (msg[0].addr << 1); /* I2C write */ + buf[2] = msg[0].len; + buf[3] = 0; /* I2C stop */ + memcpy(&buf[4], msg[0].buf, msg[0].len); + ret = dvb_usb_generic_rw(d, buf, 4+msg[0].len, buf, 1, + HDIC_I2C_SLEEP); + if (ret) + goto err; + } else { + ret = -EOPNOTSUPP; + goto err; + } + + usleep_range(100, 1000); + + mutex_unlock(&d->i2c_mutex); + + return num; + +err: + deb_info("%s: failed=%d\n", __func__, ret); + mutex_unlock(&d->i2c_mutex); + return ret; +} + +static u32 hdic_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm hdic_i2c_algo = { + .master_xfer = hdic_i2c_xfer, + .functionality = hdic_i2c_func, +}; + +/* Callbacks for DVB USB */ +static int hdic_power_ctrl(struct dvb_usb_device *d, int enable) +{ + u8 sbuf[] = { HDIC_CMD_SLEEP_MODE, enable ? 0 : 1 }; + u8 rbuf[1]; + + deb_info("%s: enable=%d\n", __func__, enable); + + return dvb_usb_generic_rw(d, sbuf, sizeof(sbuf), rbuf, sizeof(rbuf), 0); +} + +static int hdic_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) +{ + u8 sbuf[] = { HDIC_CMD_CONTROL_STREAM_TRANSFER, enable }; + u8 rbuf[1]; + + deb_info("%s: enable=%d\n", __func__, enable); + + return dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf, + sizeof(rbuf), 0); +} + +/* general callback */ +static int hdic_frontend_callback(void *priv, int component, int cmd, int arg) +{ + int ret; + struct dvb_frontend *fe = priv; + struct dvb_usb_adapter *adap = fe->dvb->priv; + u8 sbuf[2] = { HDIC_CMD_DEMOD_RESET }; + u8 rbuf[1]; + + deb_info("%s:\n", __func__); + + /* enable demod reset */ + sbuf[1] = 1; + ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), + rbuf, sizeof(rbuf), 0); + if (ret) + deb_info("%s: failed enable demod reset\n", __func__); + + usleep_range(100, 10000); + + /* disable demod reset */ + sbuf[1] = 0; + ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf, + sizeof(rbuf), 0); + if (ret) + deb_info("%s: failed disable demod reset\n", __func__); + + return 0; +} + +static struct hd29l2_config hdic_hd29l2_config = { + .i2c_addr = 0x73, + .tuner_i2c_addr = 0x60, + .ts_mode = HD29L2_TS_PARALLEL, +}; + +static int hdic_frontend_attach(struct dvb_usb_adapter *adap) +{ + int ret; + u8 sbuf[2]; + u8 rbuf[3]; + + deb_info("%s:\n", __func__); + + /* wake-up device */ + sbuf[0] = HDIC_CMD_GET_FIRMWARE_VERSION; + ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf, + sizeof(rbuf), 0); + if (ret) + deb_info("%s: failed wake-up\n", __func__); + + /* disable demod reset */ + sbuf[0] = HDIC_CMD_DEMOD_RESET; + sbuf[1] = 0; + ret = dvb_usb_generic_rw(adap->dev, sbuf, sizeof(sbuf), rbuf, + sizeof(rbuf), 0); + if (ret) + deb_info("%s: failed disable demod reset\n", __func__); + + /* attach demod */ + adap->fe_adap[0].fe = dvb_attach(hd29l2_attach, &hdic_hd29l2_config, + &adap->dev->i2c_adap); + if (adap->fe_adap[0].fe == NULL) { + ret = -ENODEV; + goto err; + } + + /* setup the reset callback */ + adap->fe_adap[0].fe->callback = hdic_frontend_callback; + + return 0; +err: + deb_info("%s: failed=%d\n", __func__, ret); + return ret; +} + +static struct mxl5007t_config hdic_mxl5007t_config = { + .xtal_freq_hz = MxL_XTAL_24_MHZ, + .if_freq_hz = MxL_IF_36_15_MHZ, + .invert_if = 1, +}; + +static int hdic_tuner_attach(struct dvb_usb_adapter *adap) +{ + int ret; + + deb_info("%s:\n", __func__); + + if (dvb_attach(mxl5007t_attach, adap->fe_adap[0].fe, + &adap->dev->i2c_adap, 0x60, &hdic_mxl5007t_config) == NULL) { + ret = -ENODEV; + goto err; + } + + return 0; +err: + deb_info("%s: failed=%d\n", __func__, ret); + return ret; +} + +/* DVB USB Driver stuff */ +static struct dvb_usb_device_properties hdic_properties; + +static int hdic_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return dvb_usb_device_init(intf, &hdic_properties, THIS_MODULE, NULL, + adapter_nr); +} + +/* + * 04b4:1004 HDIC development board firmware + * 04b4:8613 CY7C68013 EZ-USB FX2 USB 2.0 Development Kit + */ +static struct usb_device_id hdic_id[] = { +#define HDIC_8613 0 /* CY7C68013 EZ-USB FX2 USB 2.0 Development Kit */ +#define HDIC_1004 1 /* HDIC 04b4:1004 */ +#define HDIC_LINUX 2 /* HDIC Linux custom firmware */ + + [HDIC_8613] = {USB_DEVICE(USB_VID_CYPRESS, 0x8613)}, + [HDIC_1004] = {USB_DEVICE(USB_VID_CYPRESS, 0x1004)}, + [HDIC_LINUX] = {USB_DEVICE(USB_VID_CYPRESS, 0x1e04)}, + {} /* terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, hdic_id); + +static struct dvb_usb_device_properties hdic_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = CYPRESS_FX2, + .firmware = "dvb-usb-hdic.fw", + + .num_adapters = 1, + .adapter = { + { + .num_frontends = 1, + .fe = { + { + .streaming_ctrl = hdic_streaming_ctrl, + .frontend_attach = hdic_frontend_attach, + .tuner_attach = hdic_tuner_attach, + + .stream = { + .type = USB_BULK, + .count = 5, + .endpoint = 0x02, + .u = { + .bulk = { + .buffersize = + (4*512), + } + } + }, + } + }, + } + }, + + .power_ctrl = hdic_power_ctrl, + + .i2c_algo = &hdic_i2c_algo, + + .generic_bulk_ctrl_endpoint = 1, + + .num_device_descs = 1, + .devices = { + { + .name = "HDIC reference design", + .cold_ids = {&hdic_id[HDIC_8613], + &hdic_id[HDIC_1004], NULL}, + .warm_ids = {&hdic_id[HDIC_LINUX], NULL}, + }, + } +}; + +static struct usb_driver hdic_driver = { + .name = "dvb_usb_hdic", + .probe = hdic_probe, + .disconnect = dvb_usb_device_exit, + .id_table = hdic_id, +}; + +/* module stuff */ +static int __init hdic_module_init(void) +{ + int ret; + + deb_info("%s:\n", __func__); + + ret = usb_register(&hdic_driver); + if (ret) + err("module init failed=%d", ret); + + return ret; +} + +static void __exit hdic_module_exit(void) +{ + deb_info("%s:\n", __func__); + + /* deregister this driver from the USB subsystem */ + usb_deregister(&hdic_driver); +} + +module_init(hdic_module_init); +module_exit(hdic_module_exit); + +MODULE_AUTHOR("Antti Palosaari "); +MODULE_DESCRIPTION("HDIC DMB-TH reference design USB2.0 driver (custom firmware)"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/dvb-usb/hdic.h b/drivers/media/dvb/dvb-usb/hdic.h new file mode 100644 index 000000000000..01ee73b8c98f --- /dev/null +++ b/drivers/media/dvb/dvb-usb/hdic.h @@ -0,0 +1,45 @@ +/* + * DVB USB Linux driver for the HDIC receiver + * + * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D + * + * Author: Antti Palosaari + * + * 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 HDIC_H +#define HDIC_H + +#define DVB_USB_LOG_PREFIX "hdic" +#include "dvb-usb.h" + +#define deb_info(args...) dprintk(dvb_usb_hdic_debug, 0x01, args) +#define deb_rc(args...) dprintk(dvb_usb_hdic_debug, 0x02, args) +#define deb_xfer(args...) dprintk(dvb_usb_hdic_debug, 0x04, args) +#define deb_reg(args...) dprintk(dvb_usb_hdic_debug, 0x08, args) +#define deb_i2c(args...) dprintk(dvb_usb_hdic_debug, 0x10, args) +#define deb_fw(args...) dprintk(dvb_usb_hdic_debug, 0x20, args) + +enum hdic_cmd { + HDIC_CMD_I2C = 0x00, + HDIC_CMD_CONTROL_STREAM_TRANSFER = 0x03, + HDIC_CMD_SLEEP_MODE = 0x09, + HDIC_CMD_GET_FIRMWARE_VERSION = 0x0a, + HDIC_CMD_DEMOD_RESET = 0x0b, +}; + + +#endif