4 * NetUP Dual DVB-S2 CI driver
6 * Copyright (C) 2009 NetUP Inc.
7 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
8 * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
23 #include "netup-init.h"
25 static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val)
29 struct i2c_msg msg = {
40 ret = i2c_transfer(i2c, &msg, 1);
43 pr_err("%s: i2c write error!\n", __func__);
46 static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val)
50 struct i2c_msg msg = {
60 buf[3] = (val >> 8) & 0xff;
61 buf[4] = (val >> 16) & 0xff;
64 ret = i2c_transfer(i2c, &msg, 1);
67 pr_err("%s: i2c write error!\n", __func__);
70 static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg)
74 struct i2c_msg msg = {
84 ret = i2c_transfer(i2c, &msg, 1);
87 pr_err("%s: i2c write error!\n", __func__);
92 ret = i2c_transfer(i2c, &msg, 1);
95 pr_err("%s: i2c read error!\n", __func__);
100 static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask,
103 i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value);
105 /* set 27MHz on AUX_CLK */
106 void netup_initialize(struct cx23885_dev *dev)
108 struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2];
109 struct i2c_adapter *i2c = &i2c_bus->i2c_adap;
111 /* Stop microcontroller */
112 i2c_av_and_or(i2c, 0x803, ~0x10, 0x00);
114 /* Aux PLL frac for 27 MHz */
115 i2c_av_write4(i2c, 0x114, 0xea0eb3);
117 /* Aux PLL int for 27 MHz */
118 i2c_av_write4(i2c, 0x110, 0x090319);
120 /* start microcontroller */
121 i2c_av_and_or(i2c, 0x803, ~0x10, 0x10);