forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
399 lines
8.8 KiB
399 lines
8.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* Common methods for dibusb-based-receivers. |
|
* |
|
* Copyright (C) 2004-5 Patrick Boettcher ([email protected]) |
|
* |
|
* see Documentation/driver-api/media/drivers/dvb-usb.rst for more information |
|
*/ |
|
|
|
#include "dibusb.h" |
|
|
|
/* Max transfer size done by I2C transfer functions */ |
|
#define MAX_XFER_SIZE 64 |
|
|
|
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_adapter *adap, int onoff) |
|
{ |
|
if (adap->priv != NULL) { |
|
struct dibusb_state *st = adap->priv; |
|
if (st->ops.fifo_ctrl != NULL) |
|
if (st->ops.fifo_ctrl(adap->fe_adap[0].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_adapter *adap, int index, u16 pid, int onoff) |
|
{ |
|
if (adap->priv != NULL) { |
|
struct dibusb_state *st = adap->priv; |
|
if (st->ops.pid_ctrl != NULL) |
|
st->ops.pid_ctrl(adap->fe_adap[0].fe, |
|
index, pid, onoff); |
|
} |
|
return 0; |
|
} |
|
EXPORT_SYMBOL(dibusb_pid_filter); |
|
|
|
int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) |
|
{ |
|
if (adap->priv != NULL) { |
|
struct dibusb_state *st = adap->priv; |
|
if (st->ops.pid_parse != NULL) |
|
if (st->ops.pid_parse(adap->fe_adap[0].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; |
|
int ret; |
|
|
|
b = kmalloc(3, GFP_KERNEL); |
|
if (!b) |
|
return -ENOMEM; |
|
|
|
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); |
|
|
|
kfree(b); |
|
|
|
msleep(10); |
|
|
|
return ret; |
|
} |
|
EXPORT_SYMBOL(dibusb_power_ctrl); |
|
|
|
int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) |
|
{ |
|
int ret; |
|
u8 *b; |
|
|
|
b = kmalloc(3, GFP_KERNEL); |
|
if (!b) |
|
return -ENOMEM; |
|
|
|
if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0) |
|
goto ret; |
|
|
|
if (onoff) { |
|
b[0] = DIBUSB_REQ_SET_STREAMING_MODE; |
|
b[1] = 0x00; |
|
ret = dvb_usb_generic_write(adap->dev, b, 2); |
|
if (ret < 0) |
|
goto ret; |
|
} |
|
|
|
b[0] = DIBUSB_REQ_SET_IOCTL; |
|
b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM; |
|
ret = dvb_usb_generic_write(adap->dev, b, 3); |
|
|
|
ret: |
|
kfree(b); |
|
return ret; |
|
} |
|
EXPORT_SYMBOL(dibusb2_0_streaming_ctrl); |
|
|
|
int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff) |
|
{ |
|
u8 *b; |
|
int ret; |
|
|
|
if (!onoff) |
|
return 0; |
|
|
|
b = kmalloc(3, GFP_KERNEL); |
|
if (!b) |
|
return -ENOMEM; |
|
|
|
b[0] = DIBUSB_REQ_SET_IOCTL; |
|
b[1] = DIBUSB_IOCTL_CMD_POWER_MODE; |
|
b[2] = DIBUSB_IOCTL_POWER_WAKEUP; |
|
|
|
ret = dvb_usb_generic_write(d, b, 3); |
|
|
|
kfree(b); |
|
|
|
return ret; |
|
} |
|
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; |
|
int ret, wo, len; |
|
|
|
/* write only ? */ |
|
wo = (rbuf == NULL || rlen == 0); |
|
|
|
len = 2 + wlen + (wo ? 0 : 2); |
|
|
|
sndbuf = kmalloc(MAX_XFER_SIZE, GFP_KERNEL); |
|
if (!sndbuf) |
|
return -ENOMEM; |
|
|
|
if (4 + wlen > MAX_XFER_SIZE) { |
|
warn("i2c wr: len=%d is too big!\n", wlen); |
|
ret = -EOPNOTSUPP; |
|
goto ret; |
|
} |
|
|
|
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; |
|
} |
|
|
|
ret = dvb_usb_generic_rw(d, sndbuf, len, rbuf, rlen, 0); |
|
|
|
ret: |
|
kfree(sndbuf); |
|
return ret; |
|
} |
|
|
|
/* |
|
* 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 (mutex_lock_interruptible(&d->i2c_mutex) < 0) |
|
return -EAGAIN; |
|
|
|
for (i = 0; i < num; i++) { |
|
/* write/read request */ |
|
if (i+1 < num && (msg[i].flags & I2C_M_RD) == 0 |
|
&& (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 ((msg[i].flags & I2C_M_RD) == 0) { |
|
if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0) |
|
break; |
|
} else if (msg[i].addr != 0x50) { |
|
/* 0x50 is the address of the eeprom - we need to protect it |
|
* from dibusb's bad i2c implementation: reads without |
|
* writing the offset before are forbidden */ |
|
if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0) |
|
break; |
|
} |
|
} |
|
|
|
mutex_unlock(&d->i2c_mutex); |
|
return i; |
|
} |
|
|
|
static u32 dibusb_i2c_func(struct i2c_adapter *adapter) |
|
{ |
|
return I2C_FUNC_I2C; |
|
} |
|
|
|
struct i2c_algorithm dibusb_i2c_algo = { |
|
.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 *buf; |
|
int rc; |
|
|
|
buf = kmalloc(2, GFP_KERNEL); |
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
buf[0] = offs; |
|
|
|
rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1); |
|
*val = buf[1]; |
|
kfree(buf); |
|
|
|
return rc; |
|
} |
|
EXPORT_SYMBOL(dibusb_read_eeprom_byte); |
|
|
|
/* |
|
* common remote control stuff |
|
*/ |
|
struct rc_map_table rc_map_dibusb_table[] = { |
|
/* Key codes for the little Artec T1/Twinhan/HAMA/ remote. */ |
|
{ 0x0016, KEY_POWER }, |
|
{ 0x0010, KEY_MUTE }, |
|
{ 0x0003, KEY_1 }, |
|
{ 0x0001, KEY_2 }, |
|
{ 0x0006, KEY_3 }, |
|
{ 0x0009, KEY_4 }, |
|
{ 0x001d, KEY_5 }, |
|
{ 0x001f, KEY_6 }, |
|
{ 0x000d, KEY_7 }, |
|
{ 0x0019, KEY_8 }, |
|
{ 0x001b, KEY_9 }, |
|
{ 0x0015, KEY_0 }, |
|
{ 0x0005, KEY_CHANNELUP }, |
|
{ 0x0002, KEY_CHANNELDOWN }, |
|
{ 0x001e, KEY_VOLUMEUP }, |
|
{ 0x000a, KEY_VOLUMEDOWN }, |
|
{ 0x0011, KEY_RECORD }, |
|
{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */ |
|
{ 0x0014, KEY_PLAY }, |
|
{ 0x001a, KEY_STOP }, |
|
{ 0x0040, KEY_REWIND }, |
|
{ 0x0012, KEY_FASTFORWARD }, |
|
{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */ |
|
{ 0x004c, KEY_PAUSE }, |
|
{ 0x004d, KEY_SCREEN }, /* Full screen mode. */ |
|
{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */ |
|
/* additional keys TwinHan VisionPlus, the Artec seemingly not have */ |
|
{ 0x000c, KEY_CANCEL }, /* Cancel */ |
|
{ 0x001c, KEY_EPG }, /* EPG */ |
|
{ 0x0000, KEY_TAB }, /* Tab */ |
|
{ 0x0048, KEY_INFO }, /* Preview */ |
|
{ 0x0004, KEY_LIST }, /* RecordList */ |
|
{ 0x000f, KEY_TEXT }, /* Teletext */ |
|
/* Key codes for the KWorld/ADSTech/JetWay remote. */ |
|
{ 0x8612, KEY_POWER }, |
|
{ 0x860f, KEY_SELECT }, /* source */ |
|
{ 0x860c, KEY_UNKNOWN }, /* scan */ |
|
{ 0x860b, KEY_EPG }, |
|
{ 0x8610, KEY_MUTE }, |
|
{ 0x8601, KEY_1 }, |
|
{ 0x8602, KEY_2 }, |
|
{ 0x8603, KEY_3 }, |
|
{ 0x8604, KEY_4 }, |
|
{ 0x8605, KEY_5 }, |
|
{ 0x8606, KEY_6 }, |
|
{ 0x8607, KEY_7 }, |
|
{ 0x8608, KEY_8 }, |
|
{ 0x8609, KEY_9 }, |
|
{ 0x860a, KEY_0 }, |
|
{ 0x8618, KEY_ZOOM }, |
|
{ 0x861c, KEY_UNKNOWN }, /* preview */ |
|
{ 0x8613, KEY_UNKNOWN }, /* snap */ |
|
{ 0x8600, KEY_UNDO }, |
|
{ 0x861d, KEY_RECORD }, |
|
{ 0x860d, KEY_STOP }, |
|
{ 0x860e, KEY_PAUSE }, |
|
{ 0x8616, KEY_PLAY }, |
|
{ 0x8611, KEY_BACK }, |
|
{ 0x8619, KEY_FORWARD }, |
|
{ 0x8614, KEY_UNKNOWN }, /* pip */ |
|
{ 0x8615, KEY_ESC }, |
|
{ 0x861a, KEY_UP }, |
|
{ 0x861e, KEY_DOWN }, |
|
{ 0x861f, KEY_LEFT }, |
|
{ 0x861b, KEY_RIGHT }, |
|
|
|
/* Key codes for the DiBcom MOD3000 remote. */ |
|
{ 0x8000, KEY_MUTE }, |
|
{ 0x8001, KEY_TEXT }, |
|
{ 0x8002, KEY_HOME }, |
|
{ 0x8003, KEY_POWER }, |
|
|
|
{ 0x8004, KEY_RED }, |
|
{ 0x8005, KEY_GREEN }, |
|
{ 0x8006, KEY_YELLOW }, |
|
{ 0x8007, KEY_BLUE }, |
|
|
|
{ 0x8008, KEY_DVD }, |
|
{ 0x8009, KEY_AUDIO }, |
|
{ 0x800a, KEY_IMAGES }, /* Pictures */ |
|
{ 0x800b, KEY_VIDEO }, |
|
|
|
{ 0x800c, KEY_BACK }, |
|
{ 0x800d, KEY_UP }, |
|
{ 0x800e, KEY_RADIO }, |
|
{ 0x800f, KEY_EPG }, |
|
|
|
{ 0x8010, KEY_LEFT }, |
|
{ 0x8011, KEY_OK }, |
|
{ 0x8012, KEY_RIGHT }, |
|
{ 0x8013, KEY_UNKNOWN }, /* SAP */ |
|
|
|
{ 0x8014, KEY_TV }, |
|
{ 0x8015, KEY_DOWN }, |
|
{ 0x8016, KEY_MENU }, /* DVD Menu */ |
|
{ 0x8017, KEY_LAST }, |
|
|
|
{ 0x8018, KEY_RECORD }, |
|
{ 0x8019, KEY_STOP }, |
|
{ 0x801a, KEY_PAUSE }, |
|
{ 0x801b, KEY_PLAY }, |
|
|
|
{ 0x801c, KEY_PREVIOUS }, |
|
{ 0x801d, KEY_REWIND }, |
|
{ 0x801e, KEY_FASTFORWARD }, |
|
{ 0x801f, KEY_NEXT}, |
|
|
|
{ 0x8040, KEY_1 }, |
|
{ 0x8041, KEY_2 }, |
|
{ 0x8042, KEY_3 }, |
|
{ 0x8043, KEY_CHANNELUP }, |
|
|
|
{ 0x8044, KEY_4 }, |
|
{ 0x8045, KEY_5 }, |
|
{ 0x8046, KEY_6 }, |
|
{ 0x8047, KEY_CHANNELDOWN }, |
|
|
|
{ 0x8048, KEY_7 }, |
|
{ 0x8049, KEY_8 }, |
|
{ 0x804a, KEY_9 }, |
|
{ 0x804b, KEY_VOLUMEUP }, |
|
|
|
{ 0x804c, KEY_CLEAR }, |
|
{ 0x804d, KEY_0 }, |
|
{ 0x804e, KEY_ENTER }, |
|
{ 0x804f, KEY_VOLUMEDOWN }, |
|
}; |
|
EXPORT_SYMBOL(rc_map_dibusb_table); |
|
|
|
int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state) |
|
{ |
|
u8 *buf; |
|
int ret; |
|
|
|
buf = kmalloc(5, GFP_KERNEL); |
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
buf[0] = DIBUSB_REQ_POLL_REMOTE; |
|
|
|
ret = dvb_usb_generic_rw(d, buf, 1, buf, 5, 0); |
|
if (ret < 0) |
|
goto ret; |
|
|
|
dvb_usb_nec_rc_key_to_event(d, buf, event, state); |
|
|
|
if (buf[0] != 0) |
|
deb_info("key: %*ph\n", 5, buf); |
|
|
|
ret: |
|
kfree(buf); |
|
|
|
return ret; |
|
} |
|
EXPORT_SYMBOL(dibusb_rc_query);
|
|
|