sys/dev/netif/iwl/if_iwlvar.h

   1 /*
   2  * Copyright (c) 2008 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Sepherosa Ziehau <sepherosa@gmail.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * $DragonFly: src/sys/dev/netif/iwl/if_iwlvar.h,v 1.1 2008/03/05 14:10:39 sephe Exp $
  35  */
  36
  37 #ifndef _IF_IWLVAR_H
  38 #define _IF_IWLVAR_H
  39
  40 #define IWL_ALIGN       0x1000  /* XXX */
  41
  42 struct iwl_dmamap_ctx {
  43         int             nsegs;
  44         bus_dma_segment_t *segs;
  45 };
  46
  47 struct iwlmsg {
  48         struct netmsg   iwlm_nmsg;
  49         void            *iwlm_softc;
  50
  51         /* For newstate() */
  52         enum ieee80211_state iwlm_nstate;
  53         int             iwlm_arg;
  54 };
  55
  56 struct iwlcom {
  57         struct ieee80211com     iwl_ic;
  58         int                     iwl_end;
  59
  60         int                     iwl_mem_rid;
  61         struct resource         *iwl_mem_res;
  62         bus_space_tag_t         iwl_mem_bt;
  63         bus_space_handle_t      iwl_mem_bh;
  64
  65         int                     iwl_irq_rid;
  66         struct resource         *iwl_irq_res;
  67         void                    *iwl_irq_handle;
  68
  69         struct sysctl_ctx_list  iwl_sysctl_ctx;
  70         struct sysctl_oid       *iwl_sysctl_tree;
  71
  72         int                     iwl_tx_timer;
  73
  74         struct lwkt_port        iwl_reply_port;
  75         struct lwkt_port        iwl_thread_port;
  76         struct thread           iwl_thread;
  77         int                     (*iwl_fwd_port)
  78                                 (struct lwkt_port *, struct lwkt_msg *);
  79 };
  80
  81 #define sc_ic           iwlcom.iwl_ic
  82 #define sc_irq_res      iwlcom.iwl_irq_res
  83 #define sc_irq_handle   iwlcom.iwl_irq_handle
  84 #define sc_thread       iwlcom.iwl_thread
  85 #define sc_thread_port  iwlcom.iwl_thread_port
  86 #define sc_reply_port   iwlcom.iwl_reply_port
  87 #define sc_tx_timer     iwlcom.iwl_tx_timer
  88 #define sc_sysctl_ctx   iwlcom.iwl_sysctl_ctx
  89 #define sc_sysctl_tree  iwlcom.iwl_sysctl_tree
  90
  91 #define IWL_FW_PATH     "iwl/"
  92
  93 #define IWL_WRITE_4(iwl, reg, val)      \
  94         bus_space_write_4((iwl)->iwl_mem_bt, (iwl)->iwl_mem_bh, (reg), (val))
  95 #define IWL_WRITE_2(iwl, reg, val)      \
  96         bus_space_write_2((iwl)->iwl_mem_bt, (iwl)->iwl_mem_bh, (reg), (val))
  97 #define IWL_WRITE_1(iwl, reg, val)      \
  98         bus_space_write_1((iwl)->iwl_mem_bt, (iwl)->iwl_mem_bh, (reg), (val))
  99 #define IWL_READ_4(iwl, reg)            \
 100         bus_space_read_4((iwl)->iwl_mem_bt, (iwl)->iwl_mem_bh, (reg))
 101 #define IWL_READ_2(iwl, reg)            \
 102         bus_space_read_2((iwl)->iwl_mem_bt, (iwl)->iwl_mem_bh, (reg))
 103 #define IWL_READ_1(iwl, reg)            \
 104         bus_space_read_1((iwl)->iwl_mem_bt, (iwl)->iwl_mem_bh, (reg))
 105
 106 #define IND_WRITE_4(sc, reg, val)       \
 107         iwl_ind_write_4(&(sc)->iwlcom, (reg), (val))
 108 #define IND_WRITE_2(sc, reg, val)       \
 109         iwl_ind_write_2(&(sc)->iwlcom, (reg), (val))
 110 #define IND_WRITE_1(sc, reg, val)       \
 111         iwl_ind_write_1(&(sc)->iwlcom, (reg), (val))
 112 #define IND_READ_4(sc, reg)             \
 113         iwl_ind_read_4(&(sc)->iwlcom, (reg))
 114 #define IND_READ_2(sc, reg)             \
 115         iwl_ind_read_2(&(sc)->iwlcom, (reg))
 116 #define IND_READ_1(sc, reg)             \
 117         iwl_ind_read_1(&(sc)->iwlcom, (reg))
 118
 119 #define CSR_READ_1(sc, reg)             IWL_READ_1(&(sc)->iwlcom, (reg))
 120
 121 #define CSR_WRITE_4(sc, reg, val)       IWL_WRITE_4(&(sc)->iwlcom, (reg), (val))
 122 #define CSR_READ_4(sc, reg)             IWL_READ_4(&(sc)->iwlcom, (reg))
 123 #define CSR_SETBITS_4(sc, reg, bit)     \
 124         CSR_WRITE_4((sc), (reg), CSR_READ_4((sc), (reg)) | (bit))
 125
 126 extern const struct ieee80211_rateset iwl_rateset_11b;
 127
 128 void            iwl_ind_write_4(struct iwlcom *, uint32_t, uint32_t);
 129 void            iwl_ind_write_2(struct iwlcom *, uint32_t, uint16_t);
 130 void            iwl_ind_write_1(struct iwlcom *, uint32_t, uint8_t);
 131 uint32_t        iwl_ind_read_4(struct iwlcom *, uint32_t);
 132 uint16_t        iwl_ind_read_2(struct iwlcom *, uint32_t);
 133 uint8_t         iwl_ind_read_1(struct iwlcom *, uint32_t);
 134 uint16_t        iwl_read_eeprom(struct iwlcom *, uint8_t);
 135 int             iwl_dma_mem_create(device_t, bus_dma_tag_t, bus_size_t,
 136                                    bus_dma_tag_t *, void **, bus_addr_t *,
 137                                    bus_dmamap_t *);
 138 void            iwl_dma_mem_destroy(bus_dma_tag_t, void *, bus_dmamap_t);
 139 void            iwl_dma_buf_addr(void *, bus_dma_segment_t *, int,
 140                                  bus_size_t, int);
 141 void            iwl_create_thread(struct iwlcom *, int);
 142 void            iwl_destroy_thread(struct iwlcom *);
 143
 144 void            iwlmsg_send(struct iwlmsg *, struct lwkt_port *);
 145 void            iwlmsg_init(struct iwlmsg *, struct lwkt_port *,
 146                             netisr_fn_t, void *);
 147
 148 #endif  /* !_IF_IWLVAR_H */