// SPDX-License-Identifier: GPL-2.0-or-later
|
/*
|
* netup-init.c
|
*
|
* NetUP Dual DVB-S2 CI driver
|
*
|
* Copyright (C) 2009 NetUP Inc.
|
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
|
* Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
|
*/
|
|
#include "cx23885.h"
|
#include "netup-init.h"
|
|
static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)
|
{
|
int ret;
|
u8 buf[3];
|
struct i2c_msg msg = {
|
.addr = 0x88 >> 1,
|
.flags = 0,
|
.buf = buf,
|
.len = 3
|
};
|
|
buf[0] = reg >> 8;
|
buf[1] = reg & 0xff;
|
buf[2] = val;
|
|
ret = i2c_transfer(i2c, &msg, 1);
|
|
if (ret != 1)
|
pr_err("%s: i2c write error!\n", __func__);
|
}
|
|
static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
|
{
|
int ret;
|
u8 buf[6];
|
struct i2c_msg msg = {
|
.addr = 0x88 >> 1,
|
.flags = 0,
|
.buf = buf,
|
.len = 6
|
};
|
|
buf[0] = reg >> 8;
|
buf[1] = reg & 0xff;
|
buf[2] = val & 0xff;
|
buf[3] = (val >> 8) & 0xff;
|
buf[4] = (val >> 16) & 0xff;
|
buf[5] = val >> 24;
|
|
ret = i2c_transfer(i2c, &msg, 1);
|
|
if (ret != 1)
|
pr_err("%s: i2c write error!\n", __func__);
|
}
|
|
static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
|
{
|
int ret;
|
u8 buf[2];
|
struct i2c_msg msg = {
|
.addr = 0x88 >> 1,
|
.flags = 0,
|
.buf = buf,
|
.len = 2
|
};
|
|
buf[0] = reg >> 8;
|
buf[1] = reg & 0xff;
|
|
ret = i2c_transfer(i2c, &msg, 1);
|
|
if (ret != 1)
|
pr_err("%s: i2c write error!\n", __func__);
|
|
msg.flags = I2C_M_RD;
|
msg.len = 1;
|
|
ret = i2c_transfer(i2c, &msg, 1);
|
|
if (ret != 1)
|
pr_err("%s: i2c read error!\n", __func__);
|
|
return buf[0];
|
}
|
|
static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask,
|
u8 or_value)
|
{
|
i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value);
|
}
|
/* set 27MHz on AUX_CLK */
|
void netup_initialize(struct cx23885_dev *dev)
|
{
|
struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2];
|
struct i2c_adapter *i2c = &i2c_bus->i2c_adap;
|
|
/* Stop microcontroller */
|
i2c_av_and_or(i2c, 0x803, ~0x10, 0x00);
|
|
/* Aux PLL frac for 27 MHz */
|
i2c_av_write4(i2c, 0x114, 0xea0eb3);
|
|
/* Aux PLL int for 27 MHz */
|
i2c_av_write4(i2c, 0x110, 0x090319);
|
|
/* start microcontroller */
|
i2c_av_and_or(i2c, 0x803, ~0x10, 0x10);
|
}
|
