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/* $OpenBSD: dwqevar.h,v 1.6 2023/04/24 01:33:32 dlg Exp $ */
/*
* Copyright (c) 2008, 2019 Mark Kettenis <kettenis@openbsd.org>
* Copyright (c) 2017, 2022 Patrick Wildt <patrick@blueri.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
enum dwqe_phy_mode {
DWQE_PHY_MODE_UNKNOWN,
DWQE_PHY_MODE_RGMII,
DWQE_PHY_MODE_RGMII_ID,
DWQE_PHY_MODE_RGMII_TXID,
DWQE_PHY_MODE_RGMII_RXID,
};
struct dwqe_buf {
bus_dmamap_t tb_map;
struct mbuf *tb_m;
};
#define DWQE_NTXDESC 256
#define DWQE_NTXSEGS 16
#define DWQE_NRXDESC 256
struct dwqe_dmamem {
bus_dmamap_t tdm_map;
bus_dma_segment_t tdm_seg;
size_t tdm_size;
caddr_t tdm_kva;
};
#define DWQE_DMA_MAP(_tdm) ((_tdm)->tdm_map)
#define DWQE_DMA_LEN(_tdm) ((_tdm)->tdm_size)
#define DWQE_DMA_DVA(_tdm) ((_tdm)->tdm_map->dm_segs[0].ds_addr)
#define DWQE_DMA_KVA(_tdm) ((void *)(_tdm)->tdm_kva)
struct dwqe_softc {
struct device sc_dev;
int sc_node;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_dma_tag_t sc_dmat;
void *sc_ih;
struct if_device sc_ifd;
struct arpcom sc_ac;
#define sc_lladdr sc_ac.ac_enaddr
struct mii_data sc_mii;
#define sc_media sc_mii.mii_media
int sc_link;
int sc_phyloc;
enum dwqe_phy_mode sc_phy_mode;
struct timeout sc_phy_tick;
int sc_fixed_link;
struct dwqe_dmamem *sc_txring;
struct dwqe_buf *sc_txbuf;
struct dwqe_desc *sc_txdesc;
int sc_tx_prod;
int sc_tx_cons;
struct dwqe_dmamem *sc_rxring;
struct dwqe_buf *sc_rxbuf;
struct dwqe_desc *sc_rxdesc;
int sc_rx_prod;
struct if_rxring sc_rx_ring;
int sc_rx_cons;
struct timeout sc_rxto;
struct task sc_statchg_task;
uint32_t sc_clk;
bus_size_t sc_clk_sel;
uint32_t sc_clk_sel_125;
uint32_t sc_clk_sel_25;
uint32_t sc_clk_sel_2_5;
int sc_gmac_id;
int sc_hw_feature[4];
int sc_force_thresh_dma_mode;
int sc_fixed_burst;
int sc_mixed_burst;
int sc_aal;
int sc_8xpbl;
int sc_pbl;
int sc_txpbl;
int sc_rxpbl;
int sc_axi_config;
int sc_lpi_en;
int sc_xit_frm;
int sc_wr_osr_lmt;
int sc_rd_osr_lmt;
uint32_t sc_blen[7];
};
#define DEVNAME(_s) ((_s)->sc_dev.dv_xname)
int dwqe_attach(struct dwqe_softc *);
void dwqe_reset(struct dwqe_softc *);
int dwqe_intr(void *);
uint32_t dwqe_read(struct dwqe_softc *, bus_addr_t);
void dwqe_write(struct dwqe_softc *, bus_addr_t, uint32_t);
void dwqe_lladdr_read(struct dwqe_softc *, uint8_t *);
void dwqe_lladdr_write(struct dwqe_softc *);
void dwqe_mii_statchg(struct device *);
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