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/*-
* Copyright (c) 2009, Oleksandr Tymoshenko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __IF_ARGEVAR_H__
#define __IF_ARGEVAR_H__
#define ARGE_NPHY 32
#define ARGE_TX_RING_COUNT 128
#define ARGE_RX_RING_COUNT 128
#define ARGE_RX_DMA_SIZE ARGE_RX_RING_COUNT * sizeof(struct arge_desc)
#define ARGE_TX_DMA_SIZE ARGE_TX_RING_COUNT * sizeof(struct arge_desc)
#define ARGE_MAXFRAGS 8
#define ARGE_RING_ALIGN sizeof(struct arge_desc)
#define ARGE_RX_ALIGN sizeof(uint32_t)
#define ARGE_MAXFRAGS 8
#define ARGE_TX_RING_ADDR(sc, i) \
((sc)->arge_rdata.arge_tx_ring_paddr + sizeof(struct arge_desc) * (i))
#define ARGE_RX_RING_ADDR(sc, i) \
((sc)->arge_rdata.arge_rx_ring_paddr + sizeof(struct arge_desc) * (i))
#define ARGE_INC(x,y) (x) = (((x) + 1) % y)
#define ARGE_MII_TIMEOUT 1000
#define ARGE_LOCK(_sc) mtx_lock(&(_sc)->arge_mtx)
#define ARGE_UNLOCK(_sc) mtx_unlock(&(_sc)->arge_mtx)
#define ARGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->arge_mtx, MA_OWNED)
/*
* register space access macros
*/
#define ARGE_WRITE(sc, reg, val) do { \
bus_write_4(sc->arge_res, (reg), (val)); \
} while (0)
#define ARGE_READ(sc, reg) bus_read_4(sc->arge_res, (reg))
#define ARGE_SET_BITS(sc, reg, bits) \
ARGE_WRITE(sc, reg, ARGE_READ(sc, (reg)) | (bits))
#define ARGE_CLEAR_BITS(sc, reg, bits) \
ARGE_WRITE(sc, reg, ARGE_READ(sc, (reg)) & ~(bits))
/*
* MII registers access macros
*/
#define ARGE_MII_READ(reg) \
*((volatile uint32_t *)MIPS_PHYS_TO_KSEG1((AR71XX_MII_BASE + reg)))
#define ARGE_MII_WRITE(reg, val) \
*((volatile uint32_t *)MIPS_PHYS_TO_KSEG1((AR71XX_MII_BASE + reg))) = (val)
#define ARGE_DESC_EMPTY (1 << 31)
#define ARGE_DESC_MORE (1 << 24)
#define ARGE_DESC_SIZE_MASK ((1 << 12) - 1)
#define ARGE_DMASIZE(len) ((len) & ARGE_DESC_SIZE_MASK)
struct arge_desc {
uint32_t packet_addr;
uint32_t packet_ctrl;
uint32_t next_desc;
uint32_t padding;
};
struct arge_txdesc {
struct mbuf *tx_m;
bus_dmamap_t tx_dmamap;
};
struct arge_rxdesc {
struct mbuf *rx_m;
bus_dmamap_t rx_dmamap;
struct arge_desc *desc;
};
struct arge_chain_data {
bus_dma_tag_t arge_parent_tag;
bus_dma_tag_t arge_tx_tag;
struct arge_txdesc arge_txdesc[ARGE_TX_RING_COUNT];
bus_dma_tag_t arge_rx_tag;
struct arge_rxdesc arge_rxdesc[ARGE_RX_RING_COUNT];
bus_dma_tag_t arge_tx_ring_tag;
bus_dma_tag_t arge_rx_ring_tag;
bus_dmamap_t arge_tx_ring_map;
bus_dmamap_t arge_rx_ring_map;
bus_dmamap_t arge_rx_sparemap;
int arge_tx_pkts;
int arge_tx_prod;
int arge_tx_cons;
int arge_tx_cnt;
int arge_rx_cons;
};
struct arge_ring_data {
struct arge_desc *arge_rx_ring;
struct arge_desc *arge_tx_ring;
bus_addr_t arge_rx_ring_paddr;
bus_addr_t arge_tx_ring_paddr;
};
struct arge_softc {
struct ifnet *arge_ifp; /* interface info */
device_t arge_dev;
struct ifmedia arge_ifmedia;
/*
* Media & duples settings for multiPHY MAC
*/
uint32_t arge_media_type;
uint32_t arge_duplex_mode;
struct resource *arge_res;
int arge_rid;
struct resource *arge_irq;
void *arge_intrhand;
device_t arge_miibus;
bus_dma_tag_t arge_parent_tag;
bus_dma_tag_t arge_tag;
struct mtx arge_mtx;
struct callout arge_stat_callout;
struct task arge_link_task;
struct arge_chain_data arge_cdata;
struct arge_ring_data arge_rdata;
int arge_link_status;
int arge_detach;
uint32_t arge_intr_status;
int arge_mac_unit;
int arge_phymask;
int arge_if_flags;
uint32_t arge_debug;
struct {
uint32_t tx_pkts_unaligned;
uint32_t tx_pkts_aligned;
} stats;
};
#endif /* __IF_ARGEVAR_H__ */
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