iwl-3945-hw.h

linux内核源码

/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU Geeral 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.GPL.
 *
 * Contact Information:
 * James P. Ketrenos <[e-mail]>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
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 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 *****************************************************************************/

#ifndef __iwl_3945_hw__
#define __iwl_3945_hw__

#define IWL_RX_BUF_SIZE 3000
/* card static random access memory (SRAM) for processor data and instructs */
#define ALM_RTC_INST_UPPER_BOUND		(0x014000)
#define ALM_RTC_DATA_UPPER_BOUND		(0x808000)

#define ALM_RTC_INST_SIZE (ALM_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND)
#define ALM_RTC_DATA_SIZE (ALM_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND)

#define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE
#define IWL_MAX_INST_SIZE ALM_RTC_INST_SIZE
#define IWL_MAX_DATA_SIZE ALM_RTC_DATA_SIZE
#define IWL_MAX_NUM_QUEUES	8

static inline int iwl_hw_valid_rtc_data_addr(u32 addr)
{
	return (addr >= RTC_DATA_LOWER_BOUND) &&
	       (addr < ALM_RTC_DATA_UPPER_BOUND);
}

/* Base physical address of iwl_shared is provided to FH_TSSR_CBB_BASE
 * and &iwl_shared.rx_read_ptr[0] is provided to FH_RCSR_RPTR_ADDR(0) */
struct iwl_shared {
	__le32 tx_base_ptr[8];
	__le32 rx_read_ptr[3];
} __attribute__ ((packed));

struct iwl_tfd_frame_data {
	__le32 addr;
	__le32 len;
} __attribute__ ((packed));

struct iwl_tfd_frame {
	__le32 control_flags;
	struct iwl_tfd_frame_data pa[4];
	u8 reserved[28];
} __attribute__ ((packed));

static inline u8 iwl_hw_get_rate(__le16 rate_n_flags)
{
	return le16_to_cpu(rate_n_flags) & 0xFF;
}

static inline u16 iwl_hw_get_rate_n_flags(__le16 rate_n_flags)
{
	return le16_to_cpu(rate_n_flags);
}

static inline __le16 iwl_hw_set_rate_n_flags(u8 rate, u16 flags)
{
	return cpu_to_le16((u16)rate|flags);
}
#endif