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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /* * 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> * * 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. */ #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); } |