mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-10-29 23:28:52 +01:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
355
drivers/media/usb/dvb-usb/cinergyT2-fe.c
Normal file
355
drivers/media/usb/dvb-usb/cinergyT2-fe.c
Normal file
|
|
@ -0,0 +1,355 @@
|
|||
/*
|
||||
* TerraTec Cinergy T2/qanu USB2 DVB-T adapter.
|
||||
*
|
||||
* Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi)
|
||||
*
|
||||
* Based on the dvb-usb-framework code and the
|
||||
* original Terratec Cinergy T2 driver by:
|
||||
*
|
||||
* Copyright (C) 2004 Daniel Mack <daniel@qanu.de> and
|
||||
* Holger Waechtler <holger@qanu.de>
|
||||
*
|
||||
* Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf
|
||||
*
|
||||
* 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 "cinergyT2.h"
|
||||
|
||||
|
||||
/**
|
||||
* convert linux-dvb frontend parameter set into TPS.
|
||||
* See ETSI ETS-300744, section 4.6.2, table 9 for details.
|
||||
*
|
||||
* This function is probably reusable and may better get placed in a support
|
||||
* library.
|
||||
*
|
||||
* We replace errornous fields by default TPS fields (the ones with value 0).
|
||||
*/
|
||||
|
||||
static uint16_t compute_tps(struct dtv_frontend_properties *op)
|
||||
{
|
||||
uint16_t tps = 0;
|
||||
|
||||
switch (op->code_rate_HP) {
|
||||
case FEC_2_3:
|
||||
tps |= (1 << 7);
|
||||
break;
|
||||
case FEC_3_4:
|
||||
tps |= (2 << 7);
|
||||
break;
|
||||
case FEC_5_6:
|
||||
tps |= (3 << 7);
|
||||
break;
|
||||
case FEC_7_8:
|
||||
tps |= (4 << 7);
|
||||
break;
|
||||
case FEC_1_2:
|
||||
case FEC_AUTO:
|
||||
default:
|
||||
/* tps |= (0 << 7) */;
|
||||
}
|
||||
|
||||
switch (op->code_rate_LP) {
|
||||
case FEC_2_3:
|
||||
tps |= (1 << 4);
|
||||
break;
|
||||
case FEC_3_4:
|
||||
tps |= (2 << 4);
|
||||
break;
|
||||
case FEC_5_6:
|
||||
tps |= (3 << 4);
|
||||
break;
|
||||
case FEC_7_8:
|
||||
tps |= (4 << 4);
|
||||
break;
|
||||
case FEC_1_2:
|
||||
case FEC_AUTO:
|
||||
default:
|
||||
/* tps |= (0 << 4) */;
|
||||
}
|
||||
|
||||
switch (op->modulation) {
|
||||
case QAM_16:
|
||||
tps |= (1 << 13);
|
||||
break;
|
||||
case QAM_64:
|
||||
tps |= (2 << 13);
|
||||
break;
|
||||
case QPSK:
|
||||
default:
|
||||
/* tps |= (0 << 13) */;
|
||||
}
|
||||
|
||||
switch (op->transmission_mode) {
|
||||
case TRANSMISSION_MODE_8K:
|
||||
tps |= (1 << 0);
|
||||
break;
|
||||
case TRANSMISSION_MODE_2K:
|
||||
default:
|
||||
/* tps |= (0 << 0) */;
|
||||
}
|
||||
|
||||
switch (op->guard_interval) {
|
||||
case GUARD_INTERVAL_1_16:
|
||||
tps |= (1 << 2);
|
||||
break;
|
||||
case GUARD_INTERVAL_1_8:
|
||||
tps |= (2 << 2);
|
||||
break;
|
||||
case GUARD_INTERVAL_1_4:
|
||||
tps |= (3 << 2);
|
||||
break;
|
||||
case GUARD_INTERVAL_1_32:
|
||||
default:
|
||||
/* tps |= (0 << 2) */;
|
||||
}
|
||||
|
||||
switch (op->hierarchy) {
|
||||
case HIERARCHY_1:
|
||||
tps |= (1 << 10);
|
||||
break;
|
||||
case HIERARCHY_2:
|
||||
tps |= (2 << 10);
|
||||
break;
|
||||
case HIERARCHY_4:
|
||||
tps |= (3 << 10);
|
||||
break;
|
||||
case HIERARCHY_NONE:
|
||||
default:
|
||||
/* tps |= (0 << 10) */;
|
||||
}
|
||||
|
||||
return tps;
|
||||
}
|
||||
|
||||
struct cinergyt2_fe_state {
|
||||
struct dvb_frontend fe;
|
||||
struct dvb_usb_device *d;
|
||||
};
|
||||
|
||||
static int cinergyt2_fe_read_status(struct dvb_frontend *fe,
|
||||
fe_status_t *status)
|
||||
{
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
struct dvbt_get_status_msg result;
|
||||
u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
|
||||
int ret;
|
||||
|
||||
ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result,
|
||||
sizeof(result), 0);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
*status = 0;
|
||||
|
||||
if (0xffff - le16_to_cpu(result.gain) > 30)
|
||||
*status |= FE_HAS_SIGNAL;
|
||||
if (result.lock_bits & (1 << 6))
|
||||
*status |= FE_HAS_LOCK;
|
||||
if (result.lock_bits & (1 << 5))
|
||||
*status |= FE_HAS_SYNC;
|
||||
if (result.lock_bits & (1 << 4))
|
||||
*status |= FE_HAS_CARRIER;
|
||||
if (result.lock_bits & (1 << 1))
|
||||
*status |= FE_HAS_VITERBI;
|
||||
|
||||
if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) !=
|
||||
(FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC))
|
||||
*status &= ~FE_HAS_LOCK;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
|
||||
{
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
struct dvbt_get_status_msg status;
|
||||
char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
|
||||
int ret;
|
||||
|
||||
ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
|
||||
sizeof(status), 0);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
*ber = le32_to_cpu(status.viterbi_error_rate);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc)
|
||||
{
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
struct dvbt_get_status_msg status;
|
||||
u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
|
||||
int ret;
|
||||
|
||||
ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status,
|
||||
sizeof(status), 0);
|
||||
if (ret < 0) {
|
||||
err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n",
|
||||
ret);
|
||||
return ret;
|
||||
}
|
||||
*unc = le32_to_cpu(status.uncorrected_block_count);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe,
|
||||
u16 *strength)
|
||||
{
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
struct dvbt_get_status_msg status;
|
||||
char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
|
||||
int ret;
|
||||
|
||||
ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
|
||||
sizeof(status), 0);
|
||||
if (ret < 0) {
|
||||
err("cinergyt2_fe_read_signal_strength() Failed!"
|
||||
" (Error=%d)\n", ret);
|
||||
return ret;
|
||||
}
|
||||
*strength = (0xffff - le16_to_cpu(status.gain));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
|
||||
{
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
struct dvbt_get_status_msg status;
|
||||
char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS };
|
||||
int ret;
|
||||
|
||||
ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status,
|
||||
sizeof(status), 0);
|
||||
if (ret < 0) {
|
||||
err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret);
|
||||
return ret;
|
||||
}
|
||||
*snr = (status.snr << 8) | status.snr;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_init(struct dvb_frontend *fe)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_sleep(struct dvb_frontend *fe)
|
||||
{
|
||||
deb_info("cinergyt2_fe_sleep() Called\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_get_tune_settings(struct dvb_frontend *fe,
|
||||
struct dvb_frontend_tune_settings *tune)
|
||||
{
|
||||
tune->min_delay_ms = 800;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe)
|
||||
{
|
||||
struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
struct dvbt_set_parameters_msg param;
|
||||
char result[2];
|
||||
int err;
|
||||
|
||||
param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS;
|
||||
param.tps = cpu_to_le16(compute_tps(fep));
|
||||
param.freq = cpu_to_le32(fep->frequency / 1000);
|
||||
param.flags = 0;
|
||||
|
||||
switch (fep->bandwidth_hz) {
|
||||
default:
|
||||
case 8000000:
|
||||
param.bandwidth = 8;
|
||||
break;
|
||||
case 7000000:
|
||||
param.bandwidth = 7;
|
||||
break;
|
||||
case 6000000:
|
||||
param.bandwidth = 6;
|
||||
break;
|
||||
}
|
||||
|
||||
err = dvb_usb_generic_rw(state->d,
|
||||
(char *)¶m, sizeof(param),
|
||||
result, sizeof(result), 0);
|
||||
if (err < 0)
|
||||
err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err);
|
||||
|
||||
return (err < 0) ? err : 0;
|
||||
}
|
||||
|
||||
static void cinergyt2_fe_release(struct dvb_frontend *fe)
|
||||
{
|
||||
struct cinergyt2_fe_state *state = fe->demodulator_priv;
|
||||
kfree(state);
|
||||
}
|
||||
|
||||
static struct dvb_frontend_ops cinergyt2_fe_ops;
|
||||
|
||||
struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d)
|
||||
{
|
||||
struct cinergyt2_fe_state *s = kzalloc(sizeof(
|
||||
struct cinergyt2_fe_state), GFP_KERNEL);
|
||||
if (s == NULL)
|
||||
return NULL;
|
||||
|
||||
s->d = d;
|
||||
memcpy(&s->fe.ops, &cinergyt2_fe_ops, sizeof(struct dvb_frontend_ops));
|
||||
s->fe.demodulator_priv = s;
|
||||
return &s->fe;
|
||||
}
|
||||
|
||||
|
||||
static struct dvb_frontend_ops cinergyt2_fe_ops = {
|
||||
.delsys = { SYS_DVBT },
|
||||
.info = {
|
||||
.name = DRIVER_NAME,
|
||||
.frequency_min = 174000000,
|
||||
.frequency_max = 862000000,
|
||||
.frequency_stepsize = 166667,
|
||||
.caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2
|
||||
| FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4
|
||||
| FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8
|
||||
| FE_CAN_FEC_AUTO | FE_CAN_QPSK
|
||||
| FE_CAN_QAM_16 | FE_CAN_QAM_64
|
||||
| FE_CAN_QAM_AUTO
|
||||
| FE_CAN_TRANSMISSION_MODE_AUTO
|
||||
| FE_CAN_GUARD_INTERVAL_AUTO
|
||||
| FE_CAN_HIERARCHY_AUTO
|
||||
| FE_CAN_RECOVER
|
||||
| FE_CAN_MUTE_TS
|
||||
},
|
||||
|
||||
.release = cinergyt2_fe_release,
|
||||
|
||||
.init = cinergyt2_fe_init,
|
||||
.sleep = cinergyt2_fe_sleep,
|
||||
|
||||
.set_frontend = cinergyt2_fe_set_frontend,
|
||||
.get_tune_settings = cinergyt2_fe_get_tune_settings,
|
||||
|
||||
.read_status = cinergyt2_fe_read_status,
|
||||
.read_ber = cinergyt2_fe_read_ber,
|
||||
.read_signal_strength = cinergyt2_fe_read_signal_strength,
|
||||
.read_snr = cinergyt2_fe_read_snr,
|
||||
.read_ucblocks = cinergyt2_fe_read_unc_blocks,
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue