gemini_gmacvar.h revision 1.3.2.2
1 1.3.2.2 mjf /* $NetBSD: gemini_gmacvar.h,v 1.3.2.2 2009/01/17 13:27:52 mjf Exp $ */ 2 1.3.2.2 mjf /*- 3 1.3.2.2 mjf * Copyright (c) 2008 The NetBSD Foundation, Inc. 4 1.3.2.2 mjf * All rights reserved. 5 1.3.2.2 mjf * 6 1.3.2.2 mjf * This code is derived from software contributed to The NetBSD Foundation 7 1.3.2.2 mjf * by Matt Thomas <matt (at) 3am-software.com> 8 1.3.2.2 mjf * 9 1.3.2.2 mjf * Redistribution and use in source and binary forms, with or without 10 1.3.2.2 mjf * modification, are permitted provided that the following conditions 11 1.3.2.2 mjf * are met: 12 1.3.2.2 mjf * 1. Redistributions of source code must retain the above copyright 13 1.3.2.2 mjf * notice, this list of conditions and the following disclaimer. 14 1.3.2.2 mjf * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.2.2 mjf * notice, this list of conditions and the following disclaimer in the 16 1.3.2.2 mjf * documentation and/or other materials provided with the distribution. 17 1.3.2.2 mjf * 18 1.3.2.2 mjf * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.3.2.2 mjf * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.3.2.2 mjf * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.3.2.2 mjf * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.3.2.2 mjf * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.3.2.2 mjf * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.3.2.2 mjf * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.3.2.2 mjf * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.3.2.2 mjf * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.3.2.2 mjf * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.3.2.2 mjf * POSSIBILITY OF SUCH DAMAGE. 29 1.3.2.2 mjf */ 30 1.3.2.2 mjf 31 1.3.2.2 mjf #ifndef _ARM_GEMINI_GEMINI_GMACVAR_H 32 1.3.2.2 mjf #define _ARM_GEMINI_GEMINI_GMACVAR_H 33 1.3.2.2 mjf 34 1.3.2.2 mjf #include <sys/device.h> 35 1.3.2.2 mjf #include <sys/queue.h> 36 1.3.2.2 mjf #include <net/if.h> 37 1.3.2.2 mjf #include <net/if_media.h> 38 1.3.2.2 mjf #include <dev/mii/mii.h> 39 1.3.2.2 mjf #include <dev/mii/miivar.h> 40 1.3.2.2 mjf 41 1.3.2.2 mjf #include <arm/gemini/gemini_gmacreg.h> 42 1.3.2.2 mjf 43 1.3.2.2 mjf typedef struct gmac_hwqueue gmac_hwqueue_t; 44 1.3.2.2 mjf typedef struct gmac_hwqmem gmac_hwqmem_t; 45 1.3.2.2 mjf typedef struct gmac_mapcache gmac_mapcache_t; 46 1.3.2.2 mjf 47 1.3.2.2 mjf #define MAX_TXMAPS 256 48 1.3.2.2 mjf #define MIN_TXMAPS 16 49 1.3.2.2 mjf #define MAX_RXMAPS 128 50 1.3.2.2 mjf #define MIN_RXMAPS 8 51 1.3.2.2 mjf 52 1.3.2.2 mjf #define RXQ_NDESCS 256 53 1.3.2.2 mjf #define TXQ_NDESCS 128 54 1.3.2.2 mjf 55 1.3.2.2 mjf struct gmac_mapcache { 56 1.3.2.2 mjf bus_dma_tag_t mc_dmat; 57 1.3.2.2 mjf bus_size_t mc_mapsize; 58 1.3.2.2 mjf size_t mc_nsegs; 59 1.3.2.2 mjf size_t mc_free; 60 1.3.2.2 mjf size_t mc_used; 61 1.3.2.2 mjf size_t mc_max; 62 1.3.2.2 mjf bus_dmamap_t mc_maps[0]; 63 1.3.2.2 mjf }; 64 1.3.2.2 mjf 65 1.3.2.2 mjf struct gmac_softc { 66 1.3.2.2 mjf device_t sc_dev; 67 1.3.2.2 mjf bus_space_tag_t sc_iot; 68 1.3.2.2 mjf bus_space_handle_t sc_ioh; 69 1.3.2.2 mjf bus_dma_tag_t sc_dmat; 70 1.3.2.2 mjf 71 1.3.2.2 mjf /* 72 1.3.2.2 mjf * MDIO state 73 1.3.2.2 mjf */ 74 1.3.2.2 mjf kmutex_t sc_mdiolock; 75 1.3.2.2 mjf uint32_t sc_mdiobits; 76 1.3.2.2 mjf device_t sc_gpio_dev; 77 1.3.2.2 mjf uint8_t sc_gpio_mdclk; 78 1.3.2.2 mjf uint8_t sc_gpio_mdin; 79 1.3.2.2 mjf uint8_t sc_gpio_mdout; 80 1.3.2.2 mjf 81 1.3.2.2 mjf /* 82 1.3.2.2 mjf * What GMAC ports have attached? 83 1.3.2.2 mjf */ 84 1.3.2.2 mjf uint8_t sc_ports; 85 1.3.2.2 mjf uint8_t sc_running; 86 1.3.2.2 mjf 87 1.3.2.2 mjf /* 88 1.3.2.2 mjf * The hardware free queue and software free queue are shared 89 1.3.2.2 mjf * resources. As are the dmamap caches. 90 1.3.2.2 mjf */ 91 1.3.2.2 mjf gmac_hwqueue_t *sc_swfreeq; 92 1.3.2.2 mjf gmac_hwqueue_t *sc_hwfreeq; 93 1.3.2.2 mjf gmac_mapcache_t *sc_rxmaps; 94 1.3.2.2 mjf gmac_mapcache_t *sc_txmaps; 95 1.3.2.2 mjf size_t sc_swfree_min; /* min mbufs to keep on swfreeq */ 96 1.3.2.2 mjf size_t sc_rxpkts_per_sec; 97 1.3.2.2 mjf 98 1.3.2.2 mjf /* 99 1.3.2.2 mjf * What interrupts are enabled for both ports? 100 1.3.2.2 mjf */ 101 1.3.2.2 mjf uint32_t sc_int_enabled[5]; 102 1.3.2.2 mjf uint32_t sc_int_select[5]; 103 1.3.2.2 mjf }; 104 1.3.2.2 mjf 105 1.3.2.2 mjf struct gmac_attach_args { 106 1.3.2.2 mjf bus_space_tag_t gma_iot; 107 1.3.2.2 mjf bus_space_handle_t gma_ioh; 108 1.3.2.2 mjf bus_dma_tag_t gma_dmat; 109 1.3.2.2 mjf 110 1.3.2.2 mjf int gma_port; 111 1.3.2.2 mjf int gma_phy; 112 1.3.2.2 mjf int gma_intr; 113 1.3.2.2 mjf 114 1.3.2.2 mjf mii_readreg_t gma_mii_readreg; 115 1.3.2.2 mjf mii_writereg_t gma_mii_writereg; 116 1.3.2.2 mjf }; 117 1.3.2.2 mjf 118 1.3.2.2 mjf struct gmac_hwqmem { 119 1.3.2.2 mjf bus_dma_tag_t hqm_dmat; 120 1.3.2.2 mjf bus_dmamap_t hqm_dmamap; 121 1.3.2.2 mjf gmac_mapcache_t *hqm_mc; 122 1.3.2.2 mjf gmac_desc_t *hqm_base; 123 1.3.2.2 mjf bus_size_t hqm_memsize; 124 1.3.2.2 mjf bus_dma_segment_t hqm_segs[1]; 125 1.3.2.2 mjf size_t hqm_ndesc; 126 1.3.2.2 mjf size_t hqm_nqueue; 127 1.3.2.2 mjf int hqm_nsegs; 128 1.3.2.2 mjf uint8_t hqm_refs; 129 1.3.2.2 mjf uint8_t hqm_flags; 130 1.3.2.2 mjf #define HQM_TX 0x0001 131 1.3.2.2 mjf #define HQM_RX 0x0000 132 1.3.2.2 mjf #define HQM_PRODUCER 0x0002 133 1.3.2.2 mjf #define HQM_CONSUMER 0x0000 134 1.3.2.2 mjf }; 135 1.3.2.2 mjf 136 1.3.2.2 mjf struct gmac_hwqueue { 137 1.3.2.2 mjf gmac_desc_t *hwq_base; 138 1.3.2.2 mjf gmac_hwqmem_t *hwq_hqm; 139 1.3.2.2 mjf union { 140 1.3.2.2 mjf SLIST_ENTRY(gmac_hwqueue) qun_link; 141 1.3.2.2 mjf SLIST_HEAD(,gmac_hwqueue) qun_producers; 142 1.3.2.2 mjf struct gmac_hwqueue *qun_producer; 143 1.3.2.2 mjf } hwq_qun; 144 1.3.2.2 mjf #define hwq_link hwq_qun.qun_link 145 1.3.2.2 mjf #define hwq_producers hwq_qun.qun_producers 146 1.3.2.2 mjf #define hwq_producer hwq_qun.qun_producer 147 1.3.2.2 mjf struct ifnet *hwq_ifp; 148 1.3.2.2 mjf struct ifqueue hwq_ifq; 149 1.3.2.2 mjf struct mbuf *hwq_rxmbuf; 150 1.3.2.2 mjf struct mbuf **hwq_mp; 151 1.3.2.2 mjf bus_space_tag_t hwq_iot; 152 1.3.2.2 mjf bus_space_handle_t hwq_qrwptr_ioh; 153 1.3.2.2 mjf /* 154 1.3.2.2 mjf * These are in units of gmac_desc_t, not bytes. 155 1.3.2.2 mjf */ 156 1.3.2.2 mjf size_t hwq_qoff; /* offset in descriptors to start */ 157 1.3.2.2 mjf uint16_t hwq_wptr; /* next descriptor to write */ 158 1.3.2.2 mjf uint16_t hwq_rptr; /* next descriptor to read */ 159 1.3.2.2 mjf uint16_t hwq_free; /* descriptors can be produced */ 160 1.3.2.2 mjf uint16_t hwq_size; /* total number of descriptors */ 161 1.3.2.2 mjf uint8_t hwq_ref; 162 1.3.2.2 mjf }; 163 1.3.2.2 mjf 164 1.3.2.2 mjf #ifdef _KERNEL 165 1.3.2.2 mjf gmac_hwqmem_t * 166 1.3.2.2 mjf gmac_hwqmem_create(gmac_mapcache_t *, size_t, size_t, int); 167 1.3.2.2 mjf void gmac_hwqmem_destroy(gmac_hwqmem_t *); 168 1.3.2.2 mjf 169 1.3.2.2 mjf void gmac_hwqueue_destroy(gmac_hwqueue_t *); 170 1.3.2.2 mjf gmac_hwqueue_t * 171 1.3.2.2 mjf gmac_hwqueue_create(gmac_hwqmem_t *, bus_space_tag_t, 172 1.3.2.2 mjf bus_space_handle_t, bus_size_t, bus_size_t, size_t); 173 1.3.2.2 mjf 174 1.3.2.2 mjf gmac_desc_t * 175 1.3.2.2 mjf gmac_hwqueue_desc(gmac_hwqueue_t *, size_t); 176 1.3.2.2 mjf void gmac_hwqueue_sync(gmac_hwqueue_t *); 177 1.3.2.2 mjf size_t gmac_hwqueue_consume(gmac_hwqueue_t *, size_t); 178 1.3.2.2 mjf void gmac_hwqueue_produce(gmac_hwqueue_t *, size_t); 179 1.3.2.2 mjf 180 1.3.2.2 mjf gmac_mapcache_t * 181 1.3.2.2 mjf gmac_mapcache_create(bus_dma_tag_t, size_t, bus_size_t, int); 182 1.3.2.2 mjf void gmac_mapcache_destroy(gmac_mapcache_t **); 183 1.3.2.2 mjf int gmac_mapcache_fill(gmac_mapcache_t *, size_t); 184 1.3.2.2 mjf bus_dmamap_t 185 1.3.2.2 mjf gmac_mapcache_get(gmac_mapcache_t *); 186 1.3.2.2 mjf void gmac_mapcache_put(gmac_mapcache_t *, bus_dmamap_t); 187 1.3.2.2 mjf 188 1.3.2.2 mjf size_t gmac_rxproduce(gmac_hwqueue_t *, size_t); 189 1.3.2.2 mjf void gmac_swfree_min_update(struct gmac_softc *); 190 1.3.2.2 mjf void gmac_intr_update(struct gmac_softc *); 191 1.3.2.2 mjf #endif 192 1.3.2.2 mjf 193 1.3.2.2 mjf #endif /* _ARM_GEMINI_GEMINI_GMACVAR_H */ 194
Indexes created Fri Oct 17 17:09:57 GMT 2025