projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| c253a171 AO |
1 | /* |
| 2 | * netup-init.c | |
| 3 | * | |
| 4 | * NetUP Dual DVB-S2 CI driver | |
| 5 | * | |
| 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> | |
| 9 | * | |
| 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. | |
| 14 | * | |
| 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 | |
| 18 | * | |
| 19 | * GNU General Public License for more details. | |
| c253a171 AO |
20 | */ |
| 21 | ||
| 22 | #include "cx23885.h" | |
| ada73eee | 23 | #include "netup-init.h" |
| c253a171 AO |
24 | |
| 25 | static void i2c_av_write(struct i2c_adapter *i2c, u16 reg, u8 val) | |
| 26 | { | |
| 27 | int ret; | |
| 28 | u8 buf[3]; | |
| 29 | struct i2c_msg msg = { | |
| 30 | .addr = 0x88 >> 1, | |
| 31 | .flags = 0, | |
| 32 | .buf = buf, | |
| 33 | .len = 3 | |
| 34 | }; | |
| 35 | ||
| 36 | buf[0] = reg >> 8; | |
| 37 | buf[1] = reg & 0xff; | |
| 38 | buf[2] = val; | |
| 39 | ||
| 40 | ret = i2c_transfer(i2c, &msg, 1); | |
| 41 | ||
| 42 | if (ret != 1) | |
| 43 | printk(KERN_ERR "%s: i2c write error!\n", __func__); | |
| 44 | } | |
| 45 | ||
| 46 | static void i2c_av_write4(struct i2c_adapter *i2c, u16 reg, u32 val) | |
| 47 | { | |
| 48 | int ret; | |
| 49 | u8 buf[6]; | |
| 50 | struct i2c_msg msg = { | |
| 51 | .addr = 0x88 >> 1, | |
| 52 | .flags = 0, | |
| 53 | .buf = buf, | |
| 54 | .len = 6 | |
| 55 | }; | |
| 56 | ||
| 57 | buf[0] = reg >> 8; | |
| 58 | buf[1] = reg & 0xff; | |
| 59 | buf[2] = val & 0xff; | |
| 60 | buf[3] = (val >> 8) & 0xff; | |
| 61 | buf[4] = (val >> 16) & 0xff; | |
| 62 | buf[5] = val >> 24; | |
| 63 | ||
| 64 | ret = i2c_transfer(i2c, &msg, 1); | |
| 65 | ||
| 66 | if (ret != 1) | |
| 67 | printk(KERN_ERR "%s: i2c write error!\n", __func__); | |
| 68 | } | |
| 69 | ||
| 70 | static u8 i2c_av_read(struct i2c_adapter *i2c, u16 reg) | |
| 71 | { | |
| 72 | int ret; | |
| 73 | u8 buf[2]; | |
| 74 | struct i2c_msg msg = { | |
| 75 | .addr = 0x88 >> 1, | |
| 76 | .flags = 0, | |
| 77 | .buf = buf, | |
| 78 | .len = 2 | |
| 79 | }; | |
| 80 | ||
| 81 | buf[0] = reg >> 8; | |
| 82 | buf[1] = reg & 0xff; | |
| 83 | ||
| 84 | ret = i2c_transfer(i2c, &msg, 1); | |
| 85 | ||
| 86 | if (ret != 1) | |
| 87 | printk(KERN_ERR "%s: i2c write error!\n", __func__); | |
| 88 | ||
| 89 | msg.flags = I2C_M_RD; | |
| 90 | msg.len = 1; | |
| 91 | ||
| 92 | ret = i2c_transfer(i2c, &msg, 1); | |
| 93 | ||
| 94 | if (ret != 1) | |
| 95 | printk(KERN_ERR "%s: i2c read error!\n", __func__); | |
| 96 | ||
| 97 | return buf[0]; | |
| 98 | } | |
| 99 | ||
| 100 | static void i2c_av_and_or(struct i2c_adapter *i2c, u16 reg, unsigned and_mask, | |
| 101 | u8 or_value) | |
| 102 | { | |
| 103 | i2c_av_write(i2c, reg, (i2c_av_read(i2c, reg) & and_mask) | or_value); | |
| 104 | } | |
| 105 | /* set 27MHz on AUX_CLK */ | |
| 106 | void netup_initialize(struct cx23885_dev *dev) | |
| 107 | { | |
| 108 | struct cx23885_i2c *i2c_bus = &dev->i2c_bus[2]; | |
| 109 | struct i2c_adapter *i2c = &i2c_bus->i2c_adap; | |
| 110 | ||
| 111 | /* Stop microcontroller */ | |
| 112 | i2c_av_and_or(i2c, 0x803, ~0x10, 0x00); | |
| 113 | ||
| 114 | /* Aux PLL frac for 27 MHz */ | |
| 115 | i2c_av_write4(i2c, 0x114, 0xea0eb3); | |
| 116 | ||
| 117 | /* Aux PLL int for 27 MHz */ | |
| 118 | i2c_av_write4(i2c, 0x110, 0x090319); | |
| 119 | ||
| 120 | /* start microcontroller */ | |
| 121 | i2c_av_and_or(i2c, 0x803, ~0x10, 0x10); | |
| 122 | } |