drivers/net/wireless/iwlwifi/iwl-3945-hw.h

   1 /******************************************************************************
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   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved.
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  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU Geeral Public License as
  12  * published by the Free Software Foundation.
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  14  * This program is distributed in the hope that it will be useful, but
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  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
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  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  22  * USA
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  24  * The full GNU General Public License is included in this distribution
  25  * in the file called LICENSE.GPL.
  26  *
  27  * Contact Information:
  28  * James P. Ketrenos <ipw2100-admin@linux.intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  31  * BSD LICENSE
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  33  * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved.
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  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  62  *****************************************************************************/
  63
  64 #ifndef __iwl_3945_hw__
  65 #define __iwl_3945_hw__
  66
  67 #define IWL_RX_BUF_SIZE 3000
  68 /* card static random access memory (SRAM) for processor data and instructs */
  69 #define ALM_RTC_INST_UPPER_BOUND                (0x014000)
  70 #define ALM_RTC_DATA_UPPER_BOUND                (0x808000)
  71
  72 #define ALM_RTC_INST_SIZE (ALM_RTC_INST_UPPER_BOUND - RTC_INST_LOWER_BOUND)
  73 #define ALM_RTC_DATA_SIZE (ALM_RTC_DATA_UPPER_BOUND - RTC_DATA_LOWER_BOUND)
  74
  75 #define IWL_MAX_BSM_SIZE ALM_RTC_INST_SIZE
  76 #define IWL_MAX_INST_SIZE ALM_RTC_INST_SIZE
  77 #define IWL_MAX_DATA_SIZE ALM_RTC_DATA_SIZE
  78 #define IWL_MAX_NUM_QUEUES      8
  79
  80 static inline int iwl_hw_valid_rtc_data_addr(u32 addr)
  81 {
  82         return (addr >= RTC_DATA_LOWER_BOUND) &&
  83                (addr < ALM_RTC_DATA_UPPER_BOUND);
  84 }
  85
  86 /* Base physical address of iwl_shared is provided to FH_TSSR_CBB_BASE
  87  * and &iwl_shared.rx_read_ptr[0] is provided to FH_RCSR_RPTR_ADDR(0) */
  88 struct iwl_shared {
  89         __le32 tx_base_ptr[8];
  90         __le32 rx_read_ptr[3];
  91 } __attribute__ ((packed));
  92
  93 struct iwl_tfd_frame_data {
  94         __le32 addr;
  95         __le32 len;
  96 } __attribute__ ((packed));
  97
  98 struct iwl_tfd_frame {
  99         __le32 control_flags;
 100         struct iwl_tfd_frame_data pa[4];
 101         u8 reserved[28];
 102 } __attribute__ ((packed));
 103
 104 static inline u8 iwl_hw_get_rate(__le16 rate_n_flags)
 105 {
 106         return le16_to_cpu(rate_n_flags) & 0xFF;
 107 }
 108
 109 static inline u16 iwl_hw_get_rate_n_flags(__le16 rate_n_flags)
 110 {
 111         return le16_to_cpu(rate_n_flags);
 112 }
 113
 114 static inline __le16 iwl_hw_set_rate_n_flags(u8 rate, u16 flags)
 115 {
 116         return cpu_to_le16((u16)rate|flags);
 117 }
 118 #endif