1c253a17126d6e841720d5926c6d426745693676bAbylay Ospan/* 2c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * netup-init.c 3c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * 4c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * NetUP Dual DVB-S2 CI driver 5c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * 6c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * Copyright (C) 2009 NetUP Inc. 7c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru> 8c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * Copyright (C) 2009 Abylay Ospan <aospan@netup.ru> 9c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * 10c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * This program is free software; you can redistribute it and/or modify 11c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * it under the terms of the GNU General Public License as published by 12c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * the Free Software Foundation; either version 2 of the License, or 13c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * (at your option) any later version. 14c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * 15c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * This program is distributed in the hope that it will be useful, 16c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * but WITHOUT ANY WARRANTY; without even the implied warranty of 17c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * 19c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * GNU General Public License for more details. 20c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * 21c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * You should have received a copy of the GNU General Public License 22c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * along with this program; if not, write to the Free Software 23c253a17126d6e841720d5926c6d426745693676bAbylay Ospan * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24c253a17126d6e841720d5926c6d426745693676bAbylay Ospan */ 25c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 26c253a17126d6e841720d5926c6d426745693676bAbylay Ospan#include "cx23885.h" 27c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 28c253a17126d6e841720d5926c6d426745693676bAbylay Ospanstatic void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val) 29c253a17126d6e841720d5926c6d426745693676bAbylay Ospan{ 30c253a17126d6e841720d5926c6d426745693676bAbylay Ospan int ret; 31c253a17126d6e841720d5926c6d426745693676bAbylay Ospan u8 buf[3]; 32c253a17126d6e841720d5926c6d426745693676bAbylay Ospan struct i2c_msg msg = { 33c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .addr = 0x88 >> 1, 34c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .flags = 0, 35c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .buf = buf, 36c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .len = 3 37c253a17126d6e841720d5926c6d426745693676bAbylay Ospan }; 38c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 39c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[0] = reg >> 8; 40c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[1] = reg & 0xff; 41c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[2] = val; 42c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 43c253a17126d6e841720d5926c6d426745693676bAbylay Ospan ret = i2c_transfer(i2c, &msg, 1); 44c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 45c253a17126d6e841720d5926c6d426745693676bAbylay Ospan if (ret != 1) 46c253a17126d6e841720d5926c6d426745693676bAbylay Ospan printk(KERN_ERR "%s: i2c write error!\n", __func__); 47c253a17126d6e841720d5926c6d426745693676bAbylay Ospan} 48c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 49c253a17126d6e841720d5926c6d426745693676bAbylay Ospanstatic void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val) 50c253a17126d6e841720d5926c6d426745693676bAbylay Ospan{ 51c253a17126d6e841720d5926c6d426745693676bAbylay Ospan int ret; 52c253a17126d6e841720d5926c6d426745693676bAbylay Ospan u8 buf[6]; 53c253a17126d6e841720d5926c6d426745693676bAbylay Ospan struct i2c_msg msg = { 54c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .addr = 0x88 >> 1, 55c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .flags = 0, 56c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .buf = buf, 57c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .len = 6 58c253a17126d6e841720d5926c6d426745693676bAbylay Ospan }; 59c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 60c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[0] = reg >> 8; 61c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[1] = reg & 0xff; 62c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[2] = val & 0xff; 63c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[3] = (val >> 8) & 0xff; 64c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[4] = (val >> 16) & 0xff; 65c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[5] = val >> 24; 66c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 67c253a17126d6e841720d5926c6d426745693676bAbylay Ospan ret = i2c_transfer(i2c, &msg, 1); 68c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 69c253a17126d6e841720d5926c6d426745693676bAbylay Ospan if (ret != 1) 70c253a17126d6e841720d5926c6d426745693676bAbylay Ospan printk(KERN_ERR "%s: i2c write error!\n", __func__); 71c253a17126d6e841720d5926c6d426745693676bAbylay Ospan} 72c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 73c253a17126d6e841720d5926c6d426745693676bAbylay Ospanstatic u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg) 74c253a17126d6e841720d5926c6d426745693676bAbylay Ospan{ 75c253a17126d6e841720d5926c6d426745693676bAbylay Ospan int ret; 76c253a17126d6e841720d5926c6d426745693676bAbylay Ospan u8 buf[2]; 77c253a17126d6e841720d5926c6d426745693676bAbylay Ospan struct i2c_msg msg = { 78c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .addr = 0x88 >> 1, 79c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .flags = 0, 80c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .buf = buf, 81c253a17126d6e841720d5926c6d426745693676bAbylay Ospan .len = 2 82c253a17126d6e841720d5926c6d426745693676bAbylay Ospan }; 83c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 84c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[0] = reg >> 8; 85c253a17126d6e841720d5926c6d426745693676bAbylay Ospan buf[1] = reg & 0xff; 86c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 87c253a17126d6e841720d5926c6d426745693676bAbylay Ospan ret = i2c_transfer(i2c, &msg, 1); 88c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 89c253a17126d6e841720d5926c6d426745693676bAbylay Ospan if (ret != 1) 90c253a17126d6e841720d5926c6d426745693676bAbylay Ospan printk(KERN_ERR "%s: i2c write error!\n", __func__); 91c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 92c253a17126d6e841720d5926c6d426745693676bAbylay Ospan msg.flags = I2C_M_RD; 93c253a17126d6e841720d5926c6d426745693676bAbylay Ospan msg.len = 1; 94c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 95c253a17126d6e841720d5926c6d426745693676bAbylay Ospan ret = i2c_transfer(i2c, &msg, 1); 96c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 97c253a17126d6e841720d5926c6d426745693676bAbylay Ospan if (ret != 1) 98c253a17126d6e841720d5926c6d426745693676bAbylay Ospan printk(KERN_ERR "%s: i2c read error!\n", __func__); 99c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 100c253a17126d6e841720d5926c6d426745693676bAbylay Ospan return buf[0]; 101c253a17126d6e841720d5926c6d426745693676bAbylay Ospan} 102c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 103c253a17126d6e841720d5926c6d426745693676bAbylay Ospanstatic void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask, 104c253a17126d6e841720d5926c6d426745693676bAbylay Ospan u8 or_value) 105c253a17126d6e841720d5926c6d426745693676bAbylay Ospan{ 106c253a17126d6e841720d5926c6d426745693676bAbylay Ospan i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value); 107c253a17126d6e841720d5926c6d426745693676bAbylay Ospan} 108c253a17126d6e841720d5926c6d426745693676bAbylay Ospan/* set 27MHz on AUX_CLK */ 109c253a17126d6e841720d5926c6d426745693676bAbylay Ospanvoid netup_initialize(struct cx23885_dev *dev) 110c253a17126d6e841720d5926c6d426745693676bAbylay Ospan{ 111c253a17126d6e841720d5926c6d426745693676bAbylay Ospan struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2]; 112c253a17126d6e841720d5926c6d426745693676bAbylay Ospan struct i2c_adapter *i2c = &i2c_bus->i2c_adap; 113c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 114c253a17126d6e841720d5926c6d426745693676bAbylay Ospan /* Stop microcontroller */ 115c253a17126d6e841720d5926c6d426745693676bAbylay Ospan i2c_av_and_or(i2c, 0x803, ~0x10, 0x00); 116c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 117c253a17126d6e841720d5926c6d426745693676bAbylay Ospan /* Aux PLL frac for 27 MHz */ 118c253a17126d6e841720d5926c6d426745693676bAbylay Ospan i2c_av_write4(i2c, 0x114, 0xea0eb3); 119c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 120c253a17126d6e841720d5926c6d426745693676bAbylay Ospan /* Aux PLL int for 27 MHz */ 121c253a17126d6e841720d5926c6d426745693676bAbylay Ospan i2c_av_write4(i2c, 0x110, 0x090319); 122c253a17126d6e841720d5926c6d426745693676bAbylay Ospan 123c253a17126d6e841720d5926c6d426745693676bAbylay Ospan /* start microcontroller */ 124c253a17126d6e841720d5926c6d426745693676bAbylay Ospan i2c_av_and_or(i2c, 0x803, ~0x10, 0x10); 125c253a17126d6e841720d5926c6d426745693676bAbylay Ospan} 126