1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * NetUP Dual DVB-S2 CI driver
7 * Copyright (C) 2009 NetUP Inc.
8 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
9 * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
13 #include "netup-init.h"
15 static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)
19 struct i2c_msg msg = {
30 ret = i2c_transfer(i2c, &msg, 1);
33 pr_err("%s: i2c write error!\n", __func__);
36 static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
40 struct i2c_msg msg = {
50 buf[3] = (val >> 8) & 0xff;
51 buf[4] = (val >> 16) & 0xff;
54 ret = i2c_transfer(i2c, &msg, 1);
57 pr_err("%s: i2c write error!\n", __func__);
60 static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
64 struct i2c_msg msg = {
74 ret = i2c_transfer(i2c, &msg, 1);
77 pr_err("%s: i2c write error!\n", __func__);
82 ret = i2c_transfer(i2c, &msg, 1);
85 pr_err("%s: i2c read error!\n", __func__);
90 static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask,
93 i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value);
95 /* set 27MHz on AUX_CLK */
96 void netup_initialize(struct cx23885_dev *dev)
98 struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2];
99 struct i2c_adapter *i2c = &i2c_bus->i2c_adap;
101 /* Stop microcontroller */
102 i2c_av_and_or(i2c, 0x803, ~0x10, 0x00);
104 /* Aux PLL frac for 27 MHz */
105 i2c_av_write4(i2c, 0x114, 0xea0eb3);
107 /* Aux PLL int for 27 MHz */
108 i2c_av_write4(i2c, 0x110, 0x090319);
110 /* start microcontroller */
111 i2c_av_and_or(i2c, 0x803, ~0x10, 0x10);