Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. |
| 4 | * |
| 5 | * Portions of this file are derived from the ipw3945 project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of version 2 of the GNU General Public License as |
| 9 | * published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 19 | * |
| 20 | * The full GNU General Public License is included in this distribution in the |
| 21 | * file called LICENSE. |
| 22 | * |
| 23 | * Contact Information: |
| 24 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 25 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 26 | * |
| 27 | *****************************************************************************/ |
| 28 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 29 | #ifndef __il_io_h__ |
| 30 | #define __il_io_h__ |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 31 | |
| 32 | #include <linux/io.h> |
| 33 | |
| 34 | #include "iwl-dev.h" |
| 35 | #include "iwl-debug.h" |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 36 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 37 | static inline void _il_write8(struct il_priv *il, u32 ofs, u8 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 38 | { |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 39 | iowrite8(val, il->hw_base + ofs); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 40 | } |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 41 | #define il_write8(il, ofs, val) _il_write8(il, ofs, val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 42 | |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 43 | static inline void _il_wr(struct il_priv *il, u32 ofs, u32 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 44 | { |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 45 | iowrite32(val, il->hw_base + ofs); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 46 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 47 | |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 48 | static inline u32 _il_rd(struct il_priv *il, u32 ofs) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 49 | { |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 50 | return ioread32(il->hw_base + ofs); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 51 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 52 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 53 | #define IL_POLL_INTERVAL 10 /* microseconds */ |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 54 | static inline int |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 55 | _il_poll_bit(struct il_priv *il, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 56 | u32 bits, u32 mask, int timeout) |
| 57 | { |
| 58 | int t = 0; |
| 59 | |
| 60 | do { |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 61 | if ((_il_rd(il, addr) & mask) == (bits & mask)) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 62 | return t; |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 63 | udelay(IL_POLL_INTERVAL); |
| 64 | t += IL_POLL_INTERVAL; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 65 | } while (t < timeout); |
| 66 | |
| 67 | return -ETIMEDOUT; |
| 68 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 69 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 70 | static inline void _il_set_bit(struct il_priv *il, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 71 | { |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 72 | _il_wr(il, reg, _il_rd(il, reg) | mask); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 73 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 74 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 75 | static inline void il_set_bit(struct il_priv *p, u32 r, u32 m) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 76 | { |
| 77 | unsigned long reg_flags; |
| 78 | |
| 79 | spin_lock_irqsave(&p->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 80 | _il_set_bit(p, r, m); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 81 | spin_unlock_irqrestore(&p->reg_lock, reg_flags); |
| 82 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 83 | |
| 84 | static inline void |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 85 | _il_clear_bit(struct il_priv *il, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 86 | { |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 87 | _il_wr(il, reg, _il_rd(il, reg) & ~mask); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 88 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 89 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 90 | static inline void il_clear_bit(struct il_priv *p, u32 r, u32 m) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 91 | { |
| 92 | unsigned long reg_flags; |
| 93 | |
| 94 | spin_lock_irqsave(&p->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 95 | _il_clear_bit(p, r, m); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 96 | spin_unlock_irqrestore(&p->reg_lock, reg_flags); |
| 97 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 98 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 99 | static inline int _il_grab_nic_access(struct il_priv *il) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 100 | { |
| 101 | int ret; |
| 102 | u32 val; |
| 103 | |
| 104 | /* this bit wakes up the NIC */ |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 105 | _il_set_bit(il, CSR_GP_CNTRL, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 106 | CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); |
| 107 | |
| 108 | /* |
| 109 | * These bits say the device is running, and should keep running for |
| 110 | * at least a short while (at least as long as MAC_ACCESS_REQ stays 1), |
| 111 | * but they do not indicate that embedded SRAM is restored yet; |
| 112 | * 3945 and 4965 have volatile SRAM, and must save/restore contents |
| 113 | * to/from host DRAM when sleeping/waking for power-saving. |
| 114 | * Each direction takes approximately 1/4 millisecond; with this |
| 115 | * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a |
| 116 | * series of register accesses are expected (e.g. reading Event Log), |
| 117 | * to keep device from sleeping. |
| 118 | * |
| 119 | * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that |
| 120 | * SRAM is okay/restored. We don't check that here because this call |
| 121 | * is just for hardware register access; but GP1 MAC_SLEEP check is a |
| 122 | * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log). |
| 123 | * |
| 124 | */ |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 125 | ret = _il_poll_bit(il, CSR_GP_CNTRL, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 126 | CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, |
| 127 | (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | |
| 128 | CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); |
| 129 | if (ret < 0) { |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 130 | val = _il_rd(il, CSR_GP_CNTRL); |
Stanislaw Gruszka | 9406f79 | 2011-08-18 22:07:57 +0200 | [diff] [blame] | 131 | IL_ERR( |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 132 | "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); |
Stanislaw Gruszka | 841b2cc | 2011-08-24 15:14:03 +0200 | [diff] [blame] | 133 | _il_wr(il, CSR_RESET, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 134 | CSR_RESET_REG_FLAG_FORCE_NMI); |
| 135 | return -EIO; |
| 136 | } |
| 137 | |
| 138 | return 0; |
| 139 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 140 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 141 | static inline void _il_release_nic_access(struct il_priv *il) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 142 | { |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 143 | _il_clear_bit(il, CSR_GP_CNTRL, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 144 | CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); |
| 145 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 146 | |
Stanislaw Gruszka | 0c1a94e | 2011-08-24 17:37:16 +0200 | [diff] [blame] | 147 | static inline u32 il_rd(struct il_priv *il, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 148 | { |
| 149 | u32 value; |
| 150 | unsigned long reg_flags; |
| 151 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 152 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 153 | _il_grab_nic_access(il); |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 154 | value = _il_rd(il, reg); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 155 | _il_release_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 156 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 157 | return value; |
| 158 | |
| 159 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 160 | |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 161 | static inline void |
Stanislaw Gruszka | 0c1a94e | 2011-08-24 17:37:16 +0200 | [diff] [blame] | 162 | il_wr(struct il_priv *il, u32 reg, u32 value) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 163 | { |
| 164 | unsigned long reg_flags; |
| 165 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 166 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 167 | if (!_il_grab_nic_access(il)) { |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 168 | _il_wr(il, reg, value); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 169 | _il_release_nic_access(il); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 170 | } |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 171 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 172 | } |
| 173 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 174 | static inline void il_write_reg_buf(struct il_priv *il, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 175 | u32 reg, u32 len, u32 *values) |
| 176 | { |
| 177 | u32 count = sizeof(u32); |
| 178 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 179 | if ((il != NULL) && (values != NULL)) { |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 180 | for (; 0 < len; len -= count, reg += count, values++) |
Stanislaw Gruszka | 0c1a94e | 2011-08-24 17:37:16 +0200 | [diff] [blame] | 181 | il_wr(il, reg, *values); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 182 | } |
| 183 | } |
| 184 | |
Stanislaw Gruszka | 0c1a94e | 2011-08-24 17:37:16 +0200 | [diff] [blame] | 185 | static inline int il_poll_bit(struct il_priv *il, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 186 | u32 mask, int timeout) |
| 187 | { |
| 188 | int t = 0; |
| 189 | |
| 190 | do { |
Stanislaw Gruszka | 0c1a94e | 2011-08-24 17:37:16 +0200 | [diff] [blame] | 191 | if ((il_rd(il, addr) & mask) == mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 192 | return t; |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 193 | udelay(IL_POLL_INTERVAL); |
| 194 | t += IL_POLL_INTERVAL; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 195 | } while (t < timeout); |
| 196 | |
| 197 | return -ETIMEDOUT; |
| 198 | } |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 199 | |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 200 | static inline u32 _il_rd_prph(struct il_priv *il, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 201 | { |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 202 | _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 203 | rmb(); |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 204 | return _il_rd(il, HBUS_TARG_PRPH_RDAT); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 205 | } |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 206 | |
| 207 | static inline u32 il_rd_prph(struct il_priv *il, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 208 | { |
| 209 | unsigned long reg_flags; |
| 210 | u32 val; |
| 211 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 212 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 213 | _il_grab_nic_access(il); |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 214 | val = _il_rd_prph(il, reg); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 215 | _il_release_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 216 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 217 | return val; |
| 218 | } |
| 219 | |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 220 | static inline void _il_wr_prph(struct il_priv *il, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 221 | u32 addr, u32 val) |
| 222 | { |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 223 | _il_wr(il, HBUS_TARG_PRPH_WADDR, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 224 | ((addr & 0x0000FFFF) | (3 << 24))); |
| 225 | wmb(); |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 226 | _il_wr(il, HBUS_TARG_PRPH_WDAT, val); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | static inline void |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 230 | il_wr_prph(struct il_priv *il, u32 addr, u32 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 231 | { |
| 232 | unsigned long reg_flags; |
| 233 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 234 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 235 | if (!_il_grab_nic_access(il)) { |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 236 | _il_wr_prph(il, addr, val); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 237 | _il_release_nic_access(il); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 238 | } |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 239 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 240 | } |
| 241 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 242 | #define _il_set_bits_prph(il, reg, mask) \ |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 243 | _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 244 | |
| 245 | static inline void |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 246 | il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 247 | { |
| 248 | unsigned long reg_flags; |
| 249 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 250 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 251 | _il_grab_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 252 | _il_set_bits_prph(il, reg, mask); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 253 | _il_release_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 254 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 255 | } |
| 256 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 257 | #define _il_set_bits_mask_prph(il, reg, bits, mask) \ |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 258 | _il_wr_prph(il, reg, \ |
| 259 | ((_il_rd_prph(il, reg) & mask) | bits)) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 260 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 261 | static inline void il_set_bits_mask_prph(struct il_priv *il, u32 reg, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 262 | u32 bits, u32 mask) |
| 263 | { |
| 264 | unsigned long reg_flags; |
| 265 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 266 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 267 | _il_grab_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 268 | _il_set_bits_mask_prph(il, reg, bits, mask); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 269 | _il_release_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 270 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 271 | } |
| 272 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame] | 273 | static inline void il_clear_bits_prph(struct il_priv |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 274 | *il, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 275 | { |
| 276 | unsigned long reg_flags; |
| 277 | u32 val; |
| 278 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 279 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 280 | _il_grab_nic_access(il); |
Stanislaw Gruszka | db54eb5 | 2011-08-24 21:06:33 +0200 | [diff] [blame^] | 281 | val = _il_rd_prph(il, reg); |
| 282 | _il_wr_prph(il, reg, (val & ~mask)); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 283 | _il_release_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 284 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 285 | } |
| 286 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 287 | static inline u32 il_read_targ_mem(struct il_priv *il, u32 addr) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 288 | { |
| 289 | unsigned long reg_flags; |
| 290 | u32 value; |
| 291 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 292 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 293 | _il_grab_nic_access(il); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 294 | |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 295 | _il_wr(il, HBUS_TARG_MEM_RADDR, addr); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 296 | rmb(); |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 297 | value = _il_rd(il, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 298 | |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 299 | _il_release_nic_access(il); |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 300 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 301 | return value; |
| 302 | } |
| 303 | |
| 304 | static inline void |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 305 | il_write_targ_mem(struct il_priv *il, u32 addr, u32 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 306 | { |
| 307 | unsigned long reg_flags; |
| 308 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 309 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 310 | if (!_il_grab_nic_access(il)) { |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 311 | _il_wr(il, HBUS_TARG_MEM_WADDR, addr); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 312 | wmb(); |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 313 | _il_wr(il, HBUS_TARG_MEM_WDAT, val); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 314 | _il_release_nic_access(il); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 315 | } |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 316 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 317 | } |
| 318 | |
| 319 | static inline void |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 320 | il_write_targ_mem_buf(struct il_priv *il, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 321 | u32 len, u32 *values) |
| 322 | { |
| 323 | unsigned long reg_flags; |
| 324 | |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 325 | spin_lock_irqsave(&il->reg_lock, reg_flags); |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 326 | if (!_il_grab_nic_access(il)) { |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 327 | _il_wr(il, HBUS_TARG_MEM_WADDR, addr); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 328 | wmb(); |
| 329 | for (; 0 < len; len -= sizeof(u32), values++) |
Stanislaw Gruszka | 1c8cae5 | 2011-08-24 15:46:03 +0200 | [diff] [blame] | 330 | _il_wr(il, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 331 | HBUS_TARG_MEM_WDAT, *values); |
| 332 | |
Stanislaw Gruszka | 1388226 | 2011-08-24 15:39:23 +0200 | [diff] [blame] | 333 | _il_release_nic_access(il); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 334 | } |
Stanislaw Gruszka | 46bc8d4 | 2011-10-24 16:49:25 +0200 | [diff] [blame] | 335 | spin_unlock_irqrestore(&il->reg_lock, reg_flags); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 336 | } |
| 337 | #endif |