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171 lines
4.9 KiB
C
171 lines
4.9 KiB
C
/*-
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* Copyright (c) 2009, Oleksandr Tymoshenko
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __IF_ARGEVAR_H__
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#define __IF_ARGEVAR_H__
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#define ARGE_NPHY 32
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#define ARGE_TX_RING_COUNT 128
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#define ARGE_RX_RING_COUNT 128
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#define ARGE_RX_DMA_SIZE ARGE_RX_RING_COUNT * sizeof(struct arge_desc)
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#define ARGE_TX_DMA_SIZE ARGE_TX_RING_COUNT * sizeof(struct arge_desc)
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#define ARGE_MAXFRAGS 8
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#define ARGE_RING_ALIGN sizeof(struct arge_desc)
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#define ARGE_RX_ALIGN sizeof(uint32_t)
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#define ARGE_MAXFRAGS 8
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#define ARGE_TX_RING_ADDR(sc, i) \
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((sc)->arge_rdata.arge_tx_ring_paddr + sizeof(struct arge_desc) * (i))
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#define ARGE_RX_RING_ADDR(sc, i) \
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((sc)->arge_rdata.arge_rx_ring_paddr + sizeof(struct arge_desc) * (i))
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#define ARGE_INC(x,y) (x) = (((x) + 1) % y)
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#define ARGE_MII_TIMEOUT 1000
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#define ARGE_LOCK(_sc) mtx_lock(&(_sc)->arge_mtx)
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#define ARGE_UNLOCK(_sc) mtx_unlock(&(_sc)->arge_mtx)
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#define ARGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->arge_mtx, MA_OWNED)
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/*
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* register space access macros
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*/
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#define ARGE_WRITE(sc, reg, val) do { \
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bus_write_4(sc->arge_res, (reg), (val)); \
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} while (0)
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#define ARGE_READ(sc, reg) bus_read_4(sc->arge_res, (reg))
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#define ARGE_SET_BITS(sc, reg, bits) \
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ARGE_WRITE(sc, reg, ARGE_READ(sc, (reg)) | (bits))
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#define ARGE_CLEAR_BITS(sc, reg, bits) \
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ARGE_WRITE(sc, reg, ARGE_READ(sc, (reg)) & ~(bits))
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#define ARGE_MDIO_WRITE(_sc, _reg, _val) \
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ARGE_WRITE((_sc), (_reg), (_val))
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#define ARGE_MDIO_READ(_sc, _reg) \
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ARGE_READ((_sc), (_reg))
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#define ARGE_DESC_EMPTY (1 << 31)
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#define ARGE_DESC_MORE (1 << 24)
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#define ARGE_DESC_SIZE_MASK ((1 << 12) - 1)
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#define ARGE_DMASIZE(len) ((len) & ARGE_DESC_SIZE_MASK)
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struct arge_desc {
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uint32_t packet_addr;
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uint32_t packet_ctrl;
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uint32_t next_desc;
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uint32_t padding;
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};
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struct arge_txdesc {
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struct mbuf *tx_m;
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bus_dmamap_t tx_dmamap;
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};
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struct arge_rxdesc {
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struct mbuf *rx_m;
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bus_dmamap_t rx_dmamap;
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struct arge_desc *desc;
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};
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struct arge_chain_data {
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bus_dma_tag_t arge_parent_tag;
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bus_dma_tag_t arge_tx_tag;
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struct arge_txdesc arge_txdesc[ARGE_TX_RING_COUNT];
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bus_dma_tag_t arge_rx_tag;
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struct arge_rxdesc arge_rxdesc[ARGE_RX_RING_COUNT];
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bus_dma_tag_t arge_tx_ring_tag;
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bus_dma_tag_t arge_rx_ring_tag;
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bus_dmamap_t arge_tx_ring_map;
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bus_dmamap_t arge_rx_ring_map;
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bus_dmamap_t arge_rx_sparemap;
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int arge_tx_prod;
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int arge_tx_cons;
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int arge_tx_cnt;
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int arge_rx_cons;
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};
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struct arge_ring_data {
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struct arge_desc *arge_rx_ring;
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struct arge_desc *arge_tx_ring;
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bus_addr_t arge_rx_ring_paddr;
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bus_addr_t arge_tx_ring_paddr;
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};
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/*
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* Allow PLL values to be overridden.
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*/
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struct arge_pll_data {
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uint32_t pll_10;
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uint32_t pll_100;
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uint32_t pll_1000;
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};
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struct arge_softc {
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struct ifnet *arge_ifp; /* interface info */
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device_t arge_dev;
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struct ifmedia arge_ifmedia;
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/*
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* Media & duples settings for multiPHY MAC
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*/
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uint32_t arge_media_type;
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uint32_t arge_duplex_mode;
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uint32_t arge_phymask;
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uint8_t arge_eaddr[ETHER_ADDR_LEN];
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struct resource *arge_res;
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int arge_rid;
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struct resource *arge_irq;
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void *arge_intrhand;
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device_t arge_miibus;
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device_t arge_miiproxy;
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ar71xx_mii_mode arge_miicfg;
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struct arge_pll_data arge_pllcfg;
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bus_dma_tag_t arge_parent_tag;
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bus_dma_tag_t arge_tag;
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struct mtx arge_mtx;
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struct callout arge_stat_callout;
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struct task arge_link_task;
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struct arge_chain_data arge_cdata;
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struct arge_ring_data arge_rdata;
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int arge_link_status;
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int arge_detach;
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uint32_t arge_intr_status;
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int arge_mac_unit;
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int arge_if_flags;
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uint32_t arge_debug;
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struct {
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uint32_t tx_pkts_unaligned;
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uint32_t tx_pkts_aligned;
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uint32_t rx_overflow;
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uint32_t tx_underflow;
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} stats;
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};
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#endif /* __IF_ARGEVAR_H__ */
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