mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-12 21:44:06 +08:00
c942fddf87
Based on 3 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 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 [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] 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 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 [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
113 lines
2.1 KiB
C
113 lines
2.1 KiB
C
// 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);
|
|
}
|