diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dibusb-common.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dibusb-common.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dibusb-common.c b/drivers/media/dvb/dvb-usb/dibusb-common.c new file mode 100644 index 00000000000..63b626f70c8 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/dibusb-common.c @@ -0,0 +1,272 @@ +/* Common methods for dibusb-based-receivers. + * + * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) + * + * 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, version 2. + * + * see Documentation/dvb/README.dvb-usb for more information + */ +#include "dibusb.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=info (|-able))." DVB_USB_DEBUG_STATUS); +MODULE_LICENSE("GPL"); + +#define deb_info(args...) dprintk(debug,0x01,args) + +/* common stuff used by the different dibusb modules */ +int dibusb_streaming_ctrl(struct dvb_usb_device *d, int onoff) +{ + if (d->priv != NULL) { + struct dib_fe_xfer_ops *ops = d->priv; + if (ops->fifo_ctrl != NULL) + if (ops->fifo_ctrl(d->fe,onoff)) { + err("error while controlling the fifo of the demod."); + return -ENODEV; + } + } + return 0; +} +EXPORT_SYMBOL(dibusb_streaming_ctrl); + +int dibusb_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff) +{ + if (d->priv != NULL) { + struct dib_fe_xfer_ops *ops = d->priv; + if (d->pid_filtering && ops->pid_ctrl != NULL) + ops->pid_ctrl(d->fe,index,pid,onoff); + } + return 0; +} +EXPORT_SYMBOL(dibusb_pid_filter); + +int dibusb_pid_filter_ctrl(struct dvb_usb_device *d, int onoff) +{ + if (d->priv != NULL) { + struct dib_fe_xfer_ops *ops = d->priv; + if (ops->pid_parse != NULL) + if (ops->pid_parse(d->fe,onoff) < 0) + err("could not handle pid_parser"); + } + return 0; +} +EXPORT_SYMBOL(dibusb_pid_filter_ctrl); + +int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + u8 b[3]; + int ret; + b[0] = DIBUSB_REQ_SET_IOCTL; + b[1] = DIBUSB_IOCTL_CMD_POWER_MODE; + b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP; + ret = dvb_usb_generic_write(d,b,3); + msleep(10); + return ret; +} +EXPORT_SYMBOL(dibusb_power_ctrl); + +int dibusb2_0_streaming_ctrl(struct dvb_usb_device *d, int onoff) +{ + u8 b[2]; + b[0] = DIBUSB_REQ_SET_IOCTL; + b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM; + + dvb_usb_generic_write(d,b,3); + + return dibusb_streaming_ctrl(d,onoff); +} +EXPORT_SYMBOL(dibusb2_0_streaming_ctrl); + +int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + if (onoff) { + u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP }; + return dvb_usb_generic_write(d,b,3); + } else + return 0; +} +EXPORT_SYMBOL(dibusb2_0_power_ctrl); + +static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr, + u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) +{ + u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */ + /* write only ? */ + int wo = (rbuf == NULL || rlen == 0), + len = 2 + wlen + (wo ? 0 : 2); + + sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ; + sndbuf[1] = (addr << 1) | (wo ? 0 : 1); + + memcpy(&sndbuf[2],wbuf,wlen); + + if (!wo) { + sndbuf[wlen+2] = (rlen >> 8) & 0xff; + sndbuf[wlen+3] = rlen & 0xff; + } + + return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0); +} + +/* + * I2C master xfer function + */ +static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int i; + + if (down_interruptible(&d->i2c_sem) < 0) + return -EAGAIN; + + if (num > 2) + warn("more than 2 i2c messages at a time is not handled yet. TODO."); + + for (i = 0; i < num; i++) { + /* write/read request */ + if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { + if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len, + msg[i+1].buf,msg[i+1].len) < 0) + break; + i++; + } else + if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0) + break; + } + + up(&d->i2c_sem); + return i; +} + +static u32 dibusb_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +struct i2c_algorithm dibusb_i2c_algo = { + .name = "DiBcom USB I2C algorithm", + .id = I2C_ALGO_BIT, + .master_xfer = dibusb_i2c_xfer, + .functionality = dibusb_i2c_func, +}; +EXPORT_SYMBOL(dibusb_i2c_algo); + +int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val) +{ + u8 wbuf[1] = { offs }; + return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1); +} +EXPORT_SYMBOL(dibusb_read_eeprom_byte); + +int dibusb_dib3000mc_frontend_attach(struct dvb_usb_device *d) +{ + struct dib3000_config demod_cfg; + struct dibusb_state *st = d->priv; + + demod_cfg.pll_set = dvb_usb_pll_set_i2c; + demod_cfg.pll_init = dvb_usb_pll_init_i2c; + + for (demod_cfg.demod_address = 0x8; demod_cfg.demod_address < 0xd; demod_cfg.demod_address++) + if ((d->fe = dib3000mc_attach(&demod_cfg,&d->i2c_adap,&st->ops)) != NULL) { + d->tuner_pass_ctrl = st->ops.tuner_pass_ctrl; + return 0; + } + + return -ENODEV; +} +EXPORT_SYMBOL(dibusb_dib3000mc_frontend_attach); + +int dibusb_dib3000mc_tuner_attach (struct dvb_usb_device *d) +{ + d->pll_addr = 0x60; + d->pll_desc = &dvb_pll_env57h1xd5; + return 0; +} +EXPORT_SYMBOL(dibusb_dib3000mc_tuner_attach); + +/* + * common remote control stuff + */ +struct dvb_usb_rc_key dibusb_rc_keys[] = { + /* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */ + { 0x00, 0x16, KEY_POWER }, + { 0x00, 0x10, KEY_MUTE }, + { 0x00, 0x03, KEY_1 }, + { 0x00, 0x01, KEY_2 }, + { 0x00, 0x06, KEY_3 }, + { 0x00, 0x09, KEY_4 }, + { 0x00, 0x1d, KEY_5 }, + { 0x00, 0x1f, KEY_6 }, + { 0x00, 0x0d, KEY_7 }, + { 0x00, 0x19, KEY_8 }, + { 0x00, 0x1b, KEY_9 }, + { 0x00, 0x15, KEY_0 }, + { 0x00, 0x05, KEY_CHANNELUP }, + { 0x00, 0x02, KEY_CHANNELDOWN }, + { 0x00, 0x1e, KEY_VOLUMEUP }, + { 0x00, 0x0a, KEY_VOLUMEDOWN }, + { 0x00, 0x11, KEY_RECORD }, + { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */ + { 0x00, 0x14, KEY_PLAY }, + { 0x00, 0x1a, KEY_STOP }, + { 0x00, 0x40, KEY_REWIND }, + { 0x00, 0x12, KEY_FASTFORWARD }, + { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */ + { 0x00, 0x4c, KEY_PAUSE }, + { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */ + { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */ + /* additional keys TwinHan VisionPlus, the Artec seemingly not have */ + { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */ + { 0x00, 0x1c, KEY_EPG }, /* EPG */ + { 0x00, 0x00, KEY_TAB }, /* Tab */ + { 0x00, 0x48, KEY_INFO }, /* Preview */ + { 0x00, 0x04, KEY_LIST }, /* RecordList */ + { 0x00, 0x0f, KEY_TEXT }, /* Teletext */ + /* Key codes for the KWorld/ADSTech/JetWay remote. */ + { 0x86, 0x12, KEY_POWER }, + { 0x86, 0x0f, KEY_SELECT }, /* source */ + { 0x86, 0x0c, KEY_UNKNOWN }, /* scan */ + { 0x86, 0x0b, KEY_EPG }, + { 0x86, 0x10, KEY_MUTE }, + { 0x86, 0x01, KEY_1 }, + { 0x86, 0x02, KEY_2 }, + { 0x86, 0x03, KEY_3 }, + { 0x86, 0x04, KEY_4 }, + { 0x86, 0x05, KEY_5 }, + { 0x86, 0x06, KEY_6 }, + { 0x86, 0x07, KEY_7 }, + { 0x86, 0x08, KEY_8 }, + { 0x86, 0x09, KEY_9 }, + { 0x86, 0x0a, KEY_0 }, + { 0x86, 0x18, KEY_ZOOM }, + { 0x86, 0x1c, KEY_UNKNOWN }, /* preview */ + { 0x86, 0x13, KEY_UNKNOWN }, /* snap */ + { 0x86, 0x00, KEY_UNDO }, + { 0x86, 0x1d, KEY_RECORD }, + { 0x86, 0x0d, KEY_STOP }, + { 0x86, 0x0e, KEY_PAUSE }, + { 0x86, 0x16, KEY_PLAY }, + { 0x86, 0x11, KEY_BACK }, + { 0x86, 0x19, KEY_FORWARD }, + { 0x86, 0x14, KEY_UNKNOWN }, /* pip */ + { 0x86, 0x15, KEY_ESC }, + { 0x86, 0x1a, KEY_UP }, + { 0x86, 0x1e, KEY_DOWN }, + { 0x86, 0x1f, KEY_LEFT }, + { 0x86, 0x1b, KEY_RIGHT }, +}; +EXPORT_SYMBOL(dibusb_rc_keys); + +int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE; + dvb_usb_generic_rw(d,&cmd,1,key,5,0); + dvb_usb_nec_rc_key_to_event(d,key,event,state); + if (key[0] != 0) + deb_info("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]); + return 0; +} +EXPORT_SYMBOL(dibusb_rc_query); |