mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 21:57:43 +00:00
a0c7056fda
Based on 1 normalized pattern(s): 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 to obtain the license point your browser to http www gnu org copyleft gpl html extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 26 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091650.572604764@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
126 lines
3 KiB
C
126 lines
3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* bsru6.h - ALPS BSRU6 tuner support (moved from budget-ci.c)
|
|
*
|
|
* the project's page is at https://linuxtv.org
|
|
*/
|
|
|
|
#ifndef BSRU6_H
|
|
#define BSRU6_H
|
|
|
|
static u8 alps_bsru6_inittab[] = {
|
|
0x01, 0x15,
|
|
0x02, 0x30,
|
|
0x03, 0x00,
|
|
0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
|
|
0x05, 0x35, /* I2CT = 0, SCLT = 1, SDAT = 1 */
|
|
0x06, 0x40, /* DAC not used, set to high impendance mode */
|
|
0x07, 0x00, /* DAC LSB */
|
|
0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */
|
|
0x09, 0x00, /* FIFO */
|
|
0x0c, 0x51, /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
|
|
0x0d, 0x82, /* DC offset compensation = ON, beta_agc1 = 2 */
|
|
0x0e, 0x23, /* alpha_tmg = 2, beta_tmg = 3 */
|
|
0x10, 0x3f, // AGC2 0x3d
|
|
0x11, 0x84,
|
|
0x12, 0xb9,
|
|
0x15, 0xc9, // lock detector threshold
|
|
0x16, 0x00,
|
|
0x17, 0x00,
|
|
0x18, 0x00,
|
|
0x19, 0x00,
|
|
0x1a, 0x00,
|
|
0x1f, 0x50,
|
|
0x20, 0x00,
|
|
0x21, 0x00,
|
|
0x22, 0x00,
|
|
0x23, 0x00,
|
|
0x28, 0x00, // out imp: normal out type: parallel FEC mode:0
|
|
0x29, 0x1e, // 1/2 threshold
|
|
0x2a, 0x14, // 2/3 threshold
|
|
0x2b, 0x0f, // 3/4 threshold
|
|
0x2c, 0x09, // 5/6 threshold
|
|
0x2d, 0x05, // 7/8 threshold
|
|
0x2e, 0x01,
|
|
0x31, 0x1f, // test all FECs
|
|
0x32, 0x19, // viterbi and synchro search
|
|
0x33, 0xfc, // rs control
|
|
0x34, 0x93, // error control
|
|
0x0f, 0x52,
|
|
0xff, 0xff
|
|
};
|
|
|
|
static int alps_bsru6_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_bsru6_tuner_set_params(struct dvb_frontend *fe)
|
|
{
|
|
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
|
|
u8 buf[4];
|
|
u32 div;
|
|
struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
|
|
struct i2c_adapter *i2c = fe->tuner_priv;
|
|
|
|
if ((p->frequency < 950000) || (p->frequency > 2150000))
|
|
return -EINVAL;
|
|
|
|
div = (p->frequency + (125 - 1)) / 125; /* round correctly */
|
|
buf[0] = (div >> 8) & 0x7f;
|
|
buf[1] = div & 0xff;
|
|
buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
|
|
buf[3] = 0xC4;
|
|
|
|
if (p->frequency > 1530000)
|
|
buf[3] = 0xc0;
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
fe->ops.i2c_gate_ctrl(fe, 1);
|
|
if (i2c_transfer(i2c, &msg, 1) != 1)
|
|
return -EIO;
|
|
return 0;
|
|
}
|
|
|
|
static struct stv0299_config alps_bsru6_config = {
|
|
.demod_address = 0x68,
|
|
.inittab = alps_bsru6_inittab,
|
|
.mclk = 88000000UL,
|
|
.invert = 1,
|
|
.skip_reinit = 0,
|
|
.lock_output = STV0299_LOCKOUTPUT_1,
|
|
.volt13_op0_op1 = STV0299_VOLT13_OP1,
|
|
.min_delay_ms = 100,
|
|
.set_symbol_rate = alps_bsru6_set_symbol_rate,
|
|
};
|
|
|
|
#endif
|