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 | |
| 37 | /* |
| 38 | * IO, register, and NIC memory access functions |
| 39 | * |
| 40 | * NOTE on naming convention and macro usage for these |
| 41 | * |
| 42 | * A single _ prefix before a an access function means that no state |
| 43 | * check or debug information is printed when that function is called. |
| 44 | * |
| 45 | * A double __ prefix before an access function means that state is checked |
| 46 | * and the current line number and caller function name are printed in addition |
| 47 | * to any other debug output. |
| 48 | * |
| 49 | * The non-prefixed name is the #define that maps the caller into a |
| 50 | * #define that provides the caller's name and __LINE__ to the double |
| 51 | * prefix version. |
| 52 | * |
| 53 | * If you wish to call the function without any debug or state checking, |
| 54 | * you should use the single _ prefix version (as is used by dependent IO |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 55 | * routines, for example _il_read_direct32 calls the non-check version of |
| 56 | * _il_read32.) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 57 | * |
| 58 | * These declarations are *extremely* useful in quickly isolating code deltas |
| 59 | * which result in misconfiguration of the hardware I/O. In combination with |
| 60 | * git-bisect and the IO debug level you can quickly determine the specific |
| 61 | * commit which breaks the IO sequence to the hardware. |
| 62 | * |
| 63 | */ |
| 64 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 65 | static inline void _il_write8(struct il_priv *priv, u32 ofs, u8 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 66 | { |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 67 | iowrite8(val, priv->hw_base + ofs); |
| 68 | } |
| 69 | |
| 70 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
| 71 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 72 | __il_write8(const char *f, u32 l, struct il_priv *priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 73 | u32 ofs, u8 val) |
| 74 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 75 | IL_DEBUG_IO(priv, "write8(0x%08X, 0x%02X) - %s %d\n", ofs, val, f, l); |
| 76 | _il_write8(priv, ofs, val); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 77 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 78 | #define il_write8(priv, ofs, val) \ |
| 79 | __il_write8(__FILE__, __LINE__, priv, ofs, val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 80 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 81 | #define il_write8(priv, ofs, val) _il_write8(priv, ofs, val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 82 | #endif |
| 83 | |
| 84 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 85 | static inline void _il_write32(struct il_priv *priv, u32 ofs, u32 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 86 | { |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 87 | iowrite32(val, priv->hw_base + ofs); |
| 88 | } |
| 89 | |
| 90 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
| 91 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 92 | __il_write32(const char *f, u32 l, struct il_priv *priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 93 | u32 ofs, u32 val) |
| 94 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 95 | IL_DEBUG_IO(priv, "write32(0x%08X, 0x%08X) - %s %d\n", ofs, val, f, l); |
| 96 | _il_write32(priv, ofs, val); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 97 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 98 | #define il_write32(priv, ofs, val) \ |
| 99 | __il_write32(__FILE__, __LINE__, priv, ofs, val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 100 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 101 | #define il_write32(priv, ofs, val) _il_write32(priv, ofs, val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 102 | #endif |
| 103 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 104 | static inline u32 _il_read32(struct il_priv *priv, u32 ofs) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 105 | { |
| 106 | u32 val = ioread32(priv->hw_base + ofs); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 107 | return val; |
| 108 | } |
| 109 | |
| 110 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
| 111 | static inline u32 |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 112 | __il_read32(char *f, u32 l, struct il_priv *priv, u32 ofs) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 113 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 114 | IL_DEBUG_IO(priv, "read_direct32(0x%08X) - %s %d\n", ofs, f, l); |
| 115 | return _il_read32(priv, ofs); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 116 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 117 | #define il_read32(priv, ofs) __il_read32(__FILE__, __LINE__, priv, ofs) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 118 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 119 | #define il_read32(p, o) _il_read32(p, o) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 120 | #endif |
| 121 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 122 | #define IL_POLL_INTERVAL 10 /* microseconds */ |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 123 | static inline int |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 124 | _il_poll_bit(struct il_priv *priv, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 125 | u32 bits, u32 mask, int timeout) |
| 126 | { |
| 127 | int t = 0; |
| 128 | |
| 129 | do { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 130 | if ((_il_read32(priv, addr) & mask) == (bits & mask)) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 131 | return t; |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 132 | udelay(IL_POLL_INTERVAL); |
| 133 | t += IL_POLL_INTERVAL; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 134 | } while (t < timeout); |
| 135 | |
| 136 | return -ETIMEDOUT; |
| 137 | } |
| 138 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 139 | static inline int __il_poll_bit(const char *f, u32 l, |
| 140 | struct il_priv *priv, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 141 | u32 bits, u32 mask, int timeout) |
| 142 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 143 | int ret = _il_poll_bit(priv, addr, bits, mask, timeout); |
| 144 | IL_DEBUG_IO(priv, "poll_bit(0x%08X, 0x%08X, 0x%08X) - %s- %s %d\n", |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 145 | addr, bits, mask, |
| 146 | unlikely(ret == -ETIMEDOUT) ? "timeout" : "", f, l); |
| 147 | return ret; |
| 148 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 149 | #define il_poll_bit(priv, addr, bits, mask, timeout) \ |
| 150 | __il_poll_bit(__FILE__, __LINE__, priv, addr, \ |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 151 | bits, mask, timeout) |
| 152 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 153 | #define il_poll_bit(p, a, b, m, t) _il_poll_bit(p, a, b, m, t) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 154 | #endif |
| 155 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 156 | static inline void _il_set_bit(struct il_priv *priv, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 157 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 158 | _il_write32(priv, reg, _il_read32(priv, reg) | mask); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 159 | } |
| 160 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 161 | static inline void __il_set_bit(const char *f, u32 l, |
| 162 | struct il_priv *priv, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 163 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 164 | u32 val = _il_read32(priv, reg) | mask; |
| 165 | IL_DEBUG_IO(priv, "set_bit(0x%08X, 0x%08X) = 0x%08X\n", reg, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 166 | mask, val); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 167 | _il_write32(priv, reg, val); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 168 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 169 | 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] | 170 | { |
| 171 | unsigned long reg_flags; |
| 172 | |
| 173 | spin_lock_irqsave(&p->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 174 | __il_set_bit(__FILE__, __LINE__, p, r, m); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 175 | spin_unlock_irqrestore(&p->reg_lock, reg_flags); |
| 176 | } |
| 177 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 178 | 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] | 179 | { |
| 180 | unsigned long reg_flags; |
| 181 | |
| 182 | spin_lock_irqsave(&p->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 183 | _il_set_bit(p, r, m); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 184 | spin_unlock_irqrestore(&p->reg_lock, reg_flags); |
| 185 | } |
| 186 | #endif |
| 187 | |
| 188 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 189 | _il_clear_bit(struct il_priv *priv, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 190 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 191 | _il_write32(priv, reg, _il_read32(priv, reg) & ~mask); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 192 | } |
| 193 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
| 194 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 195 | __il_clear_bit(const char *f, u32 l, |
| 196 | struct il_priv *priv, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 197 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 198 | u32 val = _il_read32(priv, reg) & ~mask; |
| 199 | IL_DEBUG_IO(priv, "clear_bit(0x%08X, 0x%08X) = 0x%08X\n", reg, mask, val); |
| 200 | _il_write32(priv, reg, val); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 201 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 202 | 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] | 203 | { |
| 204 | unsigned long reg_flags; |
| 205 | |
| 206 | spin_lock_irqsave(&p->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 207 | __il_clear_bit(__FILE__, __LINE__, p, r, m); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 208 | spin_unlock_irqrestore(&p->reg_lock, reg_flags); |
| 209 | } |
| 210 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 211 | 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] | 212 | { |
| 213 | unsigned long reg_flags; |
| 214 | |
| 215 | spin_lock_irqsave(&p->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 216 | _il_clear_bit(p, r, m); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 217 | spin_unlock_irqrestore(&p->reg_lock, reg_flags); |
| 218 | } |
| 219 | #endif |
| 220 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 221 | static inline int _il_grab_nic_access(struct il_priv *priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 222 | { |
| 223 | int ret; |
| 224 | u32 val; |
| 225 | |
| 226 | /* this bit wakes up the NIC */ |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 227 | _il_set_bit(priv, CSR_GP_CNTRL, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 228 | CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); |
| 229 | |
| 230 | /* |
| 231 | * These bits say the device is running, and should keep running for |
| 232 | * at least a short while (at least as long as MAC_ACCESS_REQ stays 1), |
| 233 | * but they do not indicate that embedded SRAM is restored yet; |
| 234 | * 3945 and 4965 have volatile SRAM, and must save/restore contents |
| 235 | * to/from host DRAM when sleeping/waking for power-saving. |
| 236 | * Each direction takes approximately 1/4 millisecond; with this |
| 237 | * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a |
| 238 | * series of register accesses are expected (e.g. reading Event Log), |
| 239 | * to keep device from sleeping. |
| 240 | * |
| 241 | * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that |
| 242 | * SRAM is okay/restored. We don't check that here because this call |
| 243 | * is just for hardware register access; but GP1 MAC_SLEEP check is a |
| 244 | * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log). |
| 245 | * |
| 246 | */ |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 247 | ret = _il_poll_bit(priv, CSR_GP_CNTRL, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 248 | CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, |
| 249 | (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | |
| 250 | CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); |
| 251 | if (ret < 0) { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 252 | val = _il_read32(priv, CSR_GP_CNTRL); |
| 253 | IL_ERR(priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 254 | "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 255 | _il_write32(priv, CSR_RESET, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 256 | CSR_RESET_REG_FLAG_FORCE_NMI); |
| 257 | return -EIO; |
| 258 | } |
| 259 | |
| 260 | return 0; |
| 261 | } |
| 262 | |
| 263 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 264 | static inline int __il_grab_nic_access(const char *f, u32 l, |
| 265 | struct il_priv *priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 266 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 267 | IL_DEBUG_IO(priv, "grabbing nic access - %s %d\n", f, l); |
| 268 | return _il_grab_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 269 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 270 | #define il_grab_nic_access(priv) \ |
| 271 | __il_grab_nic_access(__FILE__, __LINE__, priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 272 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 273 | #define il_grab_nic_access(priv) \ |
| 274 | _il_grab_nic_access(priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 275 | #endif |
| 276 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 277 | static inline void _il_release_nic_access(struct il_priv *priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 278 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 279 | _il_clear_bit(priv, CSR_GP_CNTRL, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 280 | CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); |
| 281 | } |
| 282 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 283 | static inline void __il_release_nic_access(const char *f, u32 l, |
| 284 | struct il_priv *priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 285 | { |
| 286 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 287 | IL_DEBUG_IO(priv, "releasing nic access - %s %d\n", f, l); |
| 288 | _il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 289 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 290 | #define il_release_nic_access(priv) \ |
| 291 | __il_release_nic_access(__FILE__, __LINE__, priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 292 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 293 | #define il_release_nic_access(priv) \ |
| 294 | _il_release_nic_access(priv) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 295 | #endif |
| 296 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 297 | static inline u32 _il_read_direct32(struct il_priv *priv, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 298 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 299 | return _il_read32(priv, reg); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 300 | } |
| 301 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 302 | static inline u32 __il_read_direct32(const char *f, u32 l, |
| 303 | struct il_priv *priv, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 304 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 305 | u32 value = _il_read_direct32(priv, reg); |
| 306 | IL_DEBUG_IO(priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 307 | "read_direct32(0x%4X) = 0x%08x - %s %d\n", reg, value, |
| 308 | f, l); |
| 309 | return value; |
| 310 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 311 | static inline u32 il_read_direct32(struct il_priv *priv, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 312 | { |
| 313 | u32 value; |
| 314 | unsigned long reg_flags; |
| 315 | |
| 316 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 317 | il_grab_nic_access(priv); |
| 318 | value = __il_read_direct32(__FILE__, __LINE__, priv, reg); |
| 319 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 320 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 321 | return value; |
| 322 | } |
| 323 | |
| 324 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 325 | static inline u32 il_read_direct32(struct il_priv *priv, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 326 | { |
| 327 | u32 value; |
| 328 | unsigned long reg_flags; |
| 329 | |
| 330 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 331 | il_grab_nic_access(priv); |
| 332 | value = _il_read_direct32(priv, reg); |
| 333 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 334 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 335 | return value; |
| 336 | |
| 337 | } |
| 338 | #endif |
| 339 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 340 | static inline void _il_write_direct32(struct il_priv *priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 341 | u32 reg, u32 value) |
| 342 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 343 | _il_write32(priv, reg, value); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 344 | } |
| 345 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 346 | il_write_direct32(struct il_priv *priv, u32 reg, u32 value) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 347 | { |
| 348 | unsigned long reg_flags; |
| 349 | |
| 350 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 351 | if (!il_grab_nic_access(priv)) { |
| 352 | _il_write_direct32(priv, reg, value); |
| 353 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 354 | } |
| 355 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 356 | } |
| 357 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 358 | static inline void il_write_reg_buf(struct il_priv *priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 359 | u32 reg, u32 len, u32 *values) |
| 360 | { |
| 361 | u32 count = sizeof(u32); |
| 362 | |
| 363 | if ((priv != NULL) && (values != NULL)) { |
| 364 | for (; 0 < len; len -= count, reg += count, values++) |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 365 | il_write_direct32(priv, reg, *values); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 366 | } |
| 367 | } |
| 368 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 369 | static inline int _il_poll_direct_bit(struct il_priv *priv, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 370 | u32 mask, int timeout) |
| 371 | { |
| 372 | int t = 0; |
| 373 | |
| 374 | do { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 375 | if ((il_read_direct32(priv, addr) & mask) == mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 376 | return t; |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 377 | udelay(IL_POLL_INTERVAL); |
| 378 | t += IL_POLL_INTERVAL; |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 379 | } while (t < timeout); |
| 380 | |
| 381 | return -ETIMEDOUT; |
| 382 | } |
| 383 | |
| 384 | #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 385 | static inline int __il_poll_direct_bit(const char *f, u32 l, |
| 386 | struct il_priv *priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 387 | u32 addr, u32 mask, int timeout) |
| 388 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 389 | int ret = _il_poll_direct_bit(priv, addr, mask, timeout); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 390 | |
| 391 | if (unlikely(ret == -ETIMEDOUT)) |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 392 | IL_DEBUG_IO(priv, "poll_direct_bit(0x%08X, 0x%08X) - " |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 393 | "timedout - %s %d\n", addr, mask, f, l); |
| 394 | else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 395 | IL_DEBUG_IO(priv, "poll_direct_bit(0x%08X, 0x%08X) = 0x%08X " |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 396 | "- %s %d\n", addr, mask, ret, f, l); |
| 397 | return ret; |
| 398 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 399 | #define il_poll_direct_bit(priv, addr, mask, timeout) \ |
| 400 | __il_poll_direct_bit(__FILE__, __LINE__, priv, addr, mask, timeout) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 401 | #else |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 402 | #define il_poll_direct_bit _il_poll_direct_bit |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 403 | #endif |
| 404 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 405 | static inline u32 _il_read_prph(struct il_priv *priv, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 406 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 407 | _il_write_direct32(priv, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 408 | rmb(); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 409 | return _il_read_direct32(priv, HBUS_TARG_PRPH_RDAT); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 410 | } |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 411 | static inline u32 il_read_prph(struct il_priv *priv, u32 reg) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 412 | { |
| 413 | unsigned long reg_flags; |
| 414 | u32 val; |
| 415 | |
| 416 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 417 | il_grab_nic_access(priv); |
| 418 | val = _il_read_prph(priv, reg); |
| 419 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 420 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 421 | return val; |
| 422 | } |
| 423 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 424 | static inline void _il_write_prph(struct il_priv *priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 425 | u32 addr, u32 val) |
| 426 | { |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 427 | _il_write_direct32(priv, HBUS_TARG_PRPH_WADDR, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 428 | ((addr & 0x0000FFFF) | (3 << 24))); |
| 429 | wmb(); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 430 | _il_write_direct32(priv, HBUS_TARG_PRPH_WDAT, val); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 434 | il_write_prph(struct il_priv *priv, u32 addr, u32 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 435 | { |
| 436 | unsigned long reg_flags; |
| 437 | |
| 438 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 439 | if (!il_grab_nic_access(priv)) { |
| 440 | _il_write_prph(priv, addr, val); |
| 441 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 442 | } |
| 443 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 444 | } |
| 445 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 446 | #define _il_set_bits_prph(priv, reg, mask) \ |
| 447 | _il_write_prph(priv, reg, (_il_read_prph(priv, reg) | mask)) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 448 | |
| 449 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 450 | il_set_bits_prph(struct il_priv *priv, u32 reg, u32 mask) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 451 | { |
| 452 | unsigned long reg_flags; |
| 453 | |
| 454 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 455 | il_grab_nic_access(priv); |
| 456 | _il_set_bits_prph(priv, reg, mask); |
| 457 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 458 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 459 | } |
| 460 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 461 | #define _il_set_bits_mask_prph(priv, reg, bits, mask) \ |
| 462 | _il_write_prph(priv, reg, \ |
| 463 | ((_il_read_prph(priv, reg) & mask) | bits)) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 464 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 465 | static inline void il_set_bits_mask_prph(struct il_priv *priv, u32 reg, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 466 | u32 bits, u32 mask) |
| 467 | { |
| 468 | unsigned long reg_flags; |
| 469 | |
| 470 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 471 | il_grab_nic_access(priv); |
| 472 | _il_set_bits_mask_prph(priv, reg, bits, mask); |
| 473 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 474 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 475 | } |
| 476 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 477 | static inline void il_clear_bits_prph(struct il_priv |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 478 | *priv, u32 reg, u32 mask) |
| 479 | { |
| 480 | unsigned long reg_flags; |
| 481 | u32 val; |
| 482 | |
| 483 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 484 | il_grab_nic_access(priv); |
| 485 | val = _il_read_prph(priv, reg); |
| 486 | _il_write_prph(priv, reg, (val & ~mask)); |
| 487 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 488 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 489 | } |
| 490 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 491 | static inline u32 il_read_targ_mem(struct il_priv *priv, u32 addr) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 492 | { |
| 493 | unsigned long reg_flags; |
| 494 | u32 value; |
| 495 | |
| 496 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 497 | il_grab_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 498 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 499 | _il_write_direct32(priv, HBUS_TARG_MEM_RADDR, addr); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 500 | rmb(); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 501 | value = _il_read_direct32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 502 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 503 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 504 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 505 | return value; |
| 506 | } |
| 507 | |
| 508 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 509 | il_write_targ_mem(struct il_priv *priv, u32 addr, u32 val) |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 510 | { |
| 511 | unsigned long reg_flags; |
| 512 | |
| 513 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 514 | if (!il_grab_nic_access(priv)) { |
| 515 | _il_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 516 | wmb(); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 517 | _il_write_direct32(priv, HBUS_TARG_MEM_WDAT, val); |
| 518 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 519 | } |
| 520 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 521 | } |
| 522 | |
| 523 | static inline void |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 524 | il_write_targ_mem_buf(struct il_priv *priv, u32 addr, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 525 | u32 len, u32 *values) |
| 526 | { |
| 527 | unsigned long reg_flags; |
| 528 | |
| 529 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 530 | if (!il_grab_nic_access(priv)) { |
| 531 | _il_write_direct32(priv, HBUS_TARG_MEM_WADDR, addr); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 532 | wmb(); |
| 533 | for (; 0 < len; len -= sizeof(u32), values++) |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 534 | _il_write_direct32(priv, |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 535 | HBUS_TARG_MEM_WDAT, *values); |
| 536 | |
Stanislaw Gruszka | e2ebc83 | 2011-10-24 15:41:30 +0200 | [diff] [blame^] | 537 | il_release_nic_access(priv); |
Wey-Yi Guy | be663ab | 2011-02-21 11:27:26 -0800 | [diff] [blame] | 538 | } |
| 539 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 540 | } |
| 541 | #endif |