| Larry Finger | c592e63 | 2012-10-25 13:46:32 -0500 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2009-2012 Realtek Corporation. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in the |
| 19 | * file called LICENSE. |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * wlanfae <wlanfae@realtek.com> |
| 23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, |
| 24 | * Hsinchu 300, Taiwan. |
| 25 | * |
| 26 | * Larry Finger <Larry.Finger@lwfinger.net> |
| 27 | * |
| 28 | *****************************************************************************/ |
| 29 | |
| 30 | #include "pwrseq.h" |
| 31 | |
| 32 | /* Description: |
| 33 | * This routine deals with the Power Configuration CMD |
| 34 | * parsing for RTL8723/RTL8188E Series IC. |
| 35 | * Assumption: |
| 36 | * We should follow specific format that was released from HW SD. |
| 37 | */ |
| 38 | bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, |
| 39 | u8 faversion, u8 interface_type, |
| 40 | struct wlan_pwr_cfg pwrcfgcmd[]) |
| 41 | { |
| 42 | struct wlan_pwr_cfg cfg_cmd = {0}; |
| 43 | bool polling_bit = false; |
| 44 | u32 ary_idx = 0; |
| 45 | u8 value = 0; |
| 46 | u32 offset = 0; |
| 47 | u32 polling_count = 0; |
| 48 | u32 max_polling_cnt = 5000; |
| 49 | |
| 50 | do { |
| 51 | cfg_cmd = pwrcfgcmd[ary_idx]; |
| 52 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 53 | "rtl_hal_pwrseqcmdparsing(): offset(%#x),cut_msk(%#x), famsk(%#x)," |
| 54 | "interface_msk(%#x), base(%#x), cmd(%#x), msk(%#x), value(%#x)\n", |
| 55 | GET_PWR_CFG_OFFSET(cfg_cmd), |
| 56 | GET_PWR_CFG_CUT_MASK(cfg_cmd), |
| 57 | GET_PWR_CFG_FAB_MASK(cfg_cmd), |
| 58 | GET_PWR_CFG_INTF_MASK(cfg_cmd), |
| 59 | GET_PWR_CFG_BASE(cfg_cmd), GET_PWR_CFG_CMD(cfg_cmd), |
| 60 | GET_PWR_CFG_MASK(cfg_cmd), GET_PWR_CFG_VALUE(cfg_cmd)); |
| 61 | |
| 62 | if ((GET_PWR_CFG_FAB_MASK(cfg_cmd)&faversion) && |
| 63 | (GET_PWR_CFG_CUT_MASK(cfg_cmd)&cut_version) && |
| 64 | (GET_PWR_CFG_INTF_MASK(cfg_cmd)&interface_type)) { |
| 65 | switch (GET_PWR_CFG_CMD(cfg_cmd)) { |
| 66 | case PWR_CMD_READ: |
| 67 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 68 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_READ\n"); |
| 69 | break; |
| 70 | case PWR_CMD_WRITE: |
| 71 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 72 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_WRITE\n"); |
| 73 | offset = GET_PWR_CFG_OFFSET(cfg_cmd); |
| 74 | |
| 75 | /*Read the value from system register*/ |
| 76 | value = rtl_read_byte(rtlpriv, offset); |
| 77 | value &= (~(GET_PWR_CFG_MASK(cfg_cmd))); |
| 78 | value |= (GET_PWR_CFG_VALUE(cfg_cmd) & |
| 79 | GET_PWR_CFG_MASK(cfg_cmd)); |
| 80 | |
| 81 | /*Write the value back to sytem register*/ |
| 82 | rtl_write_byte(rtlpriv, offset, value); |
| 83 | break; |
| 84 | case PWR_CMD_POLLING: |
| 85 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 86 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_POLLING\n"); |
| 87 | polling_bit = false; |
| 88 | offset = GET_PWR_CFG_OFFSET(cfg_cmd); |
| 89 | |
| 90 | do { |
| 91 | value = rtl_read_byte(rtlpriv, offset); |
| 92 | |
| 93 | value &= GET_PWR_CFG_MASK(cfg_cmd); |
| 94 | if (value == |
| 95 | (GET_PWR_CFG_VALUE(cfg_cmd) |
| 96 | & GET_PWR_CFG_MASK(cfg_cmd))) |
| 97 | polling_bit = true; |
| 98 | else |
| 99 | udelay(10); |
| 100 | |
| 101 | if (polling_count++ > max_polling_cnt) |
| 102 | return false; |
| 103 | } while (!polling_bit); |
| 104 | break; |
| 105 | case PWR_CMD_DELAY: |
| 106 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 107 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_DELAY\n"); |
| 108 | if (GET_PWR_CFG_VALUE(cfg_cmd) == |
| 109 | PWRSEQ_DELAY_US) |
| 110 | udelay(GET_PWR_CFG_OFFSET(cfg_cmd)); |
| 111 | else |
| 112 | mdelay(GET_PWR_CFG_OFFSET(cfg_cmd)); |
| 113 | break; |
| 114 | case PWR_CMD_END: |
| 115 | RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, |
| 116 | "rtl_hal_pwrseqcmdparsing(): PWR_CMD_END\n"); |
| 117 | return true; |
| 118 | default: |
| 119 | RT_ASSERT(false, |
| 120 | "rtl_hal_pwrseqcmdparsing(): Unknown CMD!!\n"); |
| 121 | break; |
| 122 | } |
| 123 | |
| 124 | } |
| 125 | ary_idx++; |
| 126 | } while (1); |
| 127 | |
| 128 | return true; |
| 129 | } |