mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-29 13:00:35 +00:00
9a0bf528b4
Raise the DVB frontends one level up, as the intention is to remove the drivers/media/dvb directory. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/*
|
|
* bsbe1.h - ALPS BSBE1 tuner support
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
*
|
|
* the project's page is at http://www.linuxtv.org
|
|
*/
|
|
|
|
#ifndef BSBE1_H
|
|
#define BSBE1_H
|
|
|
|
static u8 alps_bsbe1_inittab[] = {
|
|
0x01, 0x15, /* XTAL = 4MHz, VCO = 352 MHz */
|
|
0x02, 0x30, /* MCLK = 88 MHz */
|
|
0x03, 0x00, /* ACR output 0 */
|
|
0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
|
|
0x05, 0x05, /* I2CT = 0, SCLT = 1, SDAT = 1 */
|
|
0x06, 0x00, /* DAC output 0 */
|
|
0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */
|
|
0x09, 0x00, /* FIFO */
|
|
0x0c, 0x51, /* OP1/OP0 normal, val = 1 (LNB power on) */
|
|
0x0d, 0x82, /* DC offset compensation = on, beta_agc1 = 2 */
|
|
0x0f, 0x92, /* AGC1R */
|
|
0x10, 0x34, /* AGC2O */
|
|
0x11, 0x84, /* TLSR */
|
|
0x12, 0xb9, /* CFD */
|
|
0x15, 0xc9, /* lock detector threshold */
|
|
0x28, 0x00, /* out imp: normal, type: parallel, FEC mode: QPSK */
|
|
0x33, 0xfc, /* RS control */
|
|
0x34, 0x93, /* count viterbi bit errors per 2E18 bytes */
|
|
0xff, 0xff
|
|
};
|
|
|
|
|
|
static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
|
|
{
|
|
u8 aclk = 0;
|
|
u8 bclk = 0;
|
|
|
|
if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
|
|
else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
|
|
else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
|
|
else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
|
|
else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
|
|
else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
|
|
|
|
stv0299_writereg(fe, 0x13, aclk);
|
|
stv0299_writereg(fe, 0x14, bclk);
|
|
stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
|
|
stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
|
|
stv0299_writereg(fe, 0x21, (ratio ) & 0xf0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int alps_bsbe1_tuner_set_params(struct dvb_frontend *fe)
|
|
{
|
|
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
|
|
int ret;
|
|
u8 data[4];
|
|
u32 div;
|
|
struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
|
|
struct i2c_adapter *i2c = fe->tuner_priv;
|
|
|
|
if ((p->frequency < 950000) || (p->frequency > 2150000))
|
|
return -EINVAL;
|
|
|
|
div = p->frequency / 1000;
|
|
data[0] = (div >> 8) & 0x7f;
|
|
data[1] = div & 0xff;
|
|
data[2] = 0x80 | ((div & 0x18000) >> 10) | 0x1;
|
|
data[3] = 0xe0;
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
ret = i2c_transfer(i2c, &msg, 1);
|
|
return (ret != 1) ? -EIO : 0;
|
|
}
|
|
|
|
static struct stv0299_config alps_bsbe1_config = {
|
|
.demod_address = 0x68,
|
|
.inittab = alps_bsbe1_inittab,
|
|
.mclk = 88000000UL,
|
|
.invert = 1,
|
|
.skip_reinit = 0,
|
|
.min_delay_ms = 100,
|
|
.set_symbol_rate = alps_bsbe1_set_symbol_rate,
|
|
};
|
|
|
|
#endif
|