| Jakub Kicinski | c869f77 | 2015-05-26 11:16:00 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> |
| 3 | * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 |
| 7 | * as published by the Free Software Foundation |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #include "mt7601u.h" |
| 16 | |
| 17 | int mt7601u_wait_asic_ready(struct mt7601u_dev *dev) |
| 18 | { |
| 19 | int i = 100; |
| 20 | u32 val; |
| 21 | |
| 22 | do { |
| 23 | if (test_bit(MT7601U_STATE_REMOVED, &dev->state)) |
| 24 | return -EIO; |
| 25 | |
| 26 | val = mt7601u_rr(dev, MT_MAC_CSR0); |
| 27 | if (val && ~val) |
| 28 | return 0; |
| 29 | |
| 30 | udelay(10); |
| 31 | } while (i--); |
| 32 | |
| 33 | return -EIO; |
| 34 | } |
| 35 | |
| 36 | bool mt76_poll(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val, |
| 37 | int timeout) |
| 38 | { |
| 39 | u32 cur; |
| 40 | |
| 41 | timeout /= 10; |
| 42 | do { |
| 43 | if (test_bit(MT7601U_STATE_REMOVED, &dev->state)) |
| 44 | return false; |
| 45 | |
| 46 | cur = mt7601u_rr(dev, offset) & mask; |
| 47 | if (cur == val) |
| 48 | return true; |
| 49 | |
| 50 | udelay(10); |
| 51 | } while (timeout-- > 0); |
| 52 | |
| 53 | dev_err(dev->dev, "Error: Time out with reg %08x\n", offset); |
| 54 | |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | bool mt76_poll_msec(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val, |
| 59 | int timeout) |
| 60 | { |
| 61 | u32 cur; |
| 62 | |
| 63 | timeout /= 10; |
| 64 | do { |
| 65 | if (test_bit(MT7601U_STATE_REMOVED, &dev->state)) |
| 66 | return false; |
| 67 | |
| 68 | cur = mt7601u_rr(dev, offset) & mask; |
| 69 | if (cur == val) |
| 70 | return true; |
| 71 | |
| 72 | msleep(10); |
| 73 | } while (timeout-- > 0); |
| 74 | |
| 75 | dev_err(dev->dev, "Error: Time out with reg %08x\n", offset); |
| 76 | |
| 77 | return false; |
| 78 | } |