summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlegacy/iwl-io.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-io.h')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-io.h337
1 files changed, 0 insertions, 337 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-io.h b/drivers/net/wireless/iwlegacy/iwl-io.h
deleted file mode 100644
index 9d33da82a79f..000000000000
--- a/drivers/net/wireless/iwlegacy/iwl-io.h
+++ /dev/null
@@ -1,337 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
- *
- * Portions of this file are derived from the ipw3945 project.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-
-#ifndef __il_io_h__
-#define __il_io_h__
-
-#include <linux/io.h>
-
-#include "iwl-dev.h"
-#include "iwl-debug.h"
-
-static inline void _il_write8(struct il_priv *il, u32 ofs, u8 val)
-{
- iowrite8(val, il->hw_base + ofs);
-}
-#define il_write8(il, ofs, val) _il_write8(il, ofs, val)
-
-static inline void _il_wr(struct il_priv *il, u32 ofs, u32 val)
-{
- iowrite32(val, il->hw_base + ofs);
-}
-
-static inline u32 _il_rd(struct il_priv *il, u32 ofs)
-{
- return ioread32(il->hw_base + ofs);
-}
-
-#define IL_POLL_INTERVAL 10 /* microseconds */
-static inline int
-_il_poll_bit(struct il_priv *il, u32 addr,
- u32 bits, u32 mask, int timeout)
-{
- int t = 0;
-
- do {
- if ((_il_rd(il, addr) & mask) == (bits & mask))
- return t;
- udelay(IL_POLL_INTERVAL);
- t += IL_POLL_INTERVAL;
- } while (t < timeout);
-
- return -ETIMEDOUT;
-}
-
-static inline void _il_set_bit(struct il_priv *il, u32 reg, u32 mask)
-{
- _il_wr(il, reg, _il_rd(il, reg) | mask);
-}
-
-static inline void il_set_bit(struct il_priv *p, u32 r, u32 m)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&p->reg_lock, reg_flags);
- _il_set_bit(p, r, m);
- spin_unlock_irqrestore(&p->reg_lock, reg_flags);
-}
-
-static inline void
-_il_clear_bit(struct il_priv *il, u32 reg, u32 mask)
-{
- _il_wr(il, reg, _il_rd(il, reg) & ~mask);
-}
-
-static inline void il_clear_bit(struct il_priv *p, u32 r, u32 m)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&p->reg_lock, reg_flags);
- _il_clear_bit(p, r, m);
- spin_unlock_irqrestore(&p->reg_lock, reg_flags);
-}
-
-static inline int _il_grab_nic_access(struct il_priv *il)
-{
- int ret;
- u32 val;
-
- /* this bit wakes up the NIC */
- _il_set_bit(il, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-
- /*
- * These bits say the device is running, and should keep running for
- * at least a short while (at least as long as MAC_ACCESS_REQ stays 1),
- * but they do not indicate that embedded SRAM is restored yet;
- * 3945 and 4965 have volatile SRAM, and must save/restore contents
- * to/from host DRAM when sleeping/waking for power-saving.
- * Each direction takes approximately 1/4 millisecond; with this
- * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a
- * series of register accesses are expected (e.g. reading Event Log),
- * to keep device from sleeping.
- *
- * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that
- * SRAM is okay/restored. We don't check that here because this call
- * is just for hardware register access; but GP1 MAC_SLEEP check is a
- * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log).
- *
- */
- ret = _il_poll_bit(il, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
- (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
- CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
- if (ret < 0) {
- val = _il_rd(il, CSR_GP_CNTRL);
- IL_ERR(
- "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val);
- _il_wr(il, CSR_RESET,
- CSR_RESET_REG_FLAG_FORCE_NMI);
- return -EIO;
- }
-
- return 0;
-}
-
-static inline void _il_release_nic_access(struct il_priv *il)
-{
- _il_clear_bit(il, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-}
-
-static inline u32 il_rd(struct il_priv *il, u32 reg)
-{
- u32 value;
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- _il_grab_nic_access(il);
- value = _il_rd(il, reg);
- _il_release_nic_access(il);
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
- return value;
-
-}
-
-static inline void
-il_wr(struct il_priv *il, u32 reg, u32 value)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- if (!_il_grab_nic_access(il)) {
- _il_wr(il, reg, value);
- _il_release_nic_access(il);
- }
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-static inline void il_write_reg_buf(struct il_priv *il,
- u32 reg, u32 len, u32 *values)
-{
- u32 count = sizeof(u32);
-
- if (il != NULL && values != NULL) {
- for (; 0 < len; len -= count, reg += count, values++)
- il_wr(il, reg, *values);
- }
-}
-
-static inline int il_poll_bit(struct il_priv *il, u32 addr,
- u32 mask, int timeout)
-{
- int t = 0;
-
- do {
- if ((il_rd(il, addr) & mask) == mask)
- return t;
- udelay(IL_POLL_INTERVAL);
- t += IL_POLL_INTERVAL;
- } while (t < timeout);
-
- return -ETIMEDOUT;
-}
-
-static inline u32 _il_rd_prph(struct il_priv *il, u32 reg)
-{
- _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24));
- rmb();
- return _il_rd(il, HBUS_TARG_PRPH_RDAT);
-}
-
-static inline u32 il_rd_prph(struct il_priv *il, u32 reg)
-{
- unsigned long reg_flags;
- u32 val;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- _il_grab_nic_access(il);
- val = _il_rd_prph(il, reg);
- _il_release_nic_access(il);
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
- return val;
-}
-
-static inline void _il_wr_prph(struct il_priv *il,
- u32 addr, u32 val)
-{
- _il_wr(il, HBUS_TARG_PRPH_WADDR,
- ((addr & 0x0000FFFF) | (3 << 24)));
- wmb();
- _il_wr(il, HBUS_TARG_PRPH_WDAT, val);
-}
-
-static inline void
-il_wr_prph(struct il_priv *il, u32 addr, u32 val)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- if (!_il_grab_nic_access(il)) {
- _il_wr_prph(il, addr, val);
- _il_release_nic_access(il);
- }
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-#define _il_set_bits_prph(il, reg, mask) \
-_il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask))
-
-static inline void
-il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- _il_grab_nic_access(il);
- _il_set_bits_prph(il, reg, mask);
- _il_release_nic_access(il);
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-#define _il_set_bits_mask_prph(il, reg, bits, mask) \
-_il_wr_prph(il, reg, \
- ((_il_rd_prph(il, reg) & mask) | bits))
-
-static inline void il_set_bits_mask_prph(struct il_priv *il, u32 reg,
- u32 bits, u32 mask)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- _il_grab_nic_access(il);
- _il_set_bits_mask_prph(il, reg, bits, mask);
- _il_release_nic_access(il);
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-static inline void il_clear_bits_prph(struct il_priv
- *il, u32 reg, u32 mask)
-{
- unsigned long reg_flags;
- u32 val;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- _il_grab_nic_access(il);
- val = _il_rd_prph(il, reg);
- _il_wr_prph(il, reg, (val & ~mask));
- _il_release_nic_access(il);
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-static inline u32 il_read_targ_mem(struct il_priv *il, u32 addr)
-{
- unsigned long reg_flags;
- u32 value;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- _il_grab_nic_access(il);
-
- _il_wr(il, HBUS_TARG_MEM_RADDR, addr);
- rmb();
- value = _il_rd(il, HBUS_TARG_MEM_RDAT);
-
- _il_release_nic_access(il);
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
- return value;
-}
-
-static inline void
-il_write_targ_mem(struct il_priv *il, u32 addr, u32 val)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- if (!_il_grab_nic_access(il)) {
- _il_wr(il, HBUS_TARG_MEM_WADDR, addr);
- wmb();
- _il_wr(il, HBUS_TARG_MEM_WDAT, val);
- _il_release_nic_access(il);
- }
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-
-static inline void
-il_write_targ_mem_buf(struct il_priv *il, u32 addr,
- u32 len, u32 *values)
-{
- unsigned long reg_flags;
-
- spin_lock_irqsave(&il->reg_lock, reg_flags);
- if (!_il_grab_nic_access(il)) {
- _il_wr(il, HBUS_TARG_MEM_WADDR, addr);
- wmb();
- for (; 0 < len; len -= sizeof(u32), values++)
- _il_wr(il,
- HBUS_TARG_MEM_WDAT, *values);
-
- _il_release_nic_access(il);
- }
- spin_unlock_irqrestore(&il->reg_lock, reg_flags);
-}
-#endif
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-16 16:50:12 +0300