VIA VT612x PCI Gigabit Ethernet adapter support, ok deraadt

from FreeBSD

1 files changed, 126 insertions, 0 deletions

diff --git a/sys/dev/pci/if_vgevar.h b/sys/dev/pci/if_vgevar.h
new file mode 100644
index 00000000000..960bb315fe9
--- /dev/null
+++ b/sys/dev/pci/if_vgevar.h
@@ -0,0 +1,126 @@
+/*	$OpenBSD: if_vgevar.h,v 1.1 2004/12/01 01:29:00 pvalchev Exp $	*/
+/*	$FreeBSD: if_vgevar.h,v 1.1 2004/09/10 20:57:45 wpaul Exp $	*/
+/*
+ * Copyright (c) 2004
+ *	Bill Paul <wpaul@windriver.com>.  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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
+ * 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.
+ */
+
+#define VGE_JUMBO_MTU	9000
+
+#define VGE_IFQ_MAXLEN 64
+
+#define VGE_TX_DESC_CNT		256
+#define VGE_RX_DESC_CNT		256	/* Must be a multiple of 4!! */
+#define VGE_RING_ALIGN		256
+#define VGE_RX_LIST_SZ		(VGE_RX_DESC_CNT * sizeof(struct vge_rx_desc))
+#define VGE_TX_LIST_SZ		(VGE_TX_DESC_CNT * sizeof(struct vge_tx_desc))
+#define VGE_TX_DESC_INC(x)	(x = (x + 1) % VGE_TX_DESC_CNT)
+#define VGE_RX_DESC_INC(x)	(x = (x + 1) % VGE_RX_DESC_CNT)
+#define VGE_ADDR_LO(y)		((u_int64_t) (y) & 0xFFFFFFFF)
+#define VGE_ADDR_HI(y)		((u_int64_t) (y) >> 32)
+#define VGE_BUFLEN(y)		((y) & 0x7FFF)
+#define VGE_OWN(x)		(letoh32((x)->vge_sts) & VGE_RDSTS_OWN)
+#define VGE_RXBYTES(x)		((letoh32((x)->vge_sts) & \
+				 VGE_RDSTS_BUFSIZ) >> 16)
+#define VGE_MIN_FRAMELEN	60
+
+#define MAX_NUM_MULTICAST_ADDRESSES	128
+
+struct vge_softc;
+
+struct vge_list_data {
+	struct mbuf		*vge_tx_mbuf[VGE_TX_DESC_CNT];
+	struct mbuf		*vge_rx_mbuf[VGE_RX_DESC_CNT];
+	int			vge_tx_prodidx;
+	int			vge_rx_prodidx;
+	int			vge_tx_considx;
+	int			vge_tx_free;
+	bus_dmamap_t		vge_tx_dmamap[VGE_TX_DESC_CNT];
+	bus_dmamap_t		vge_rx_dmamap[VGE_RX_DESC_CNT];
+	bus_dma_tag_t		vge_mtag;        /* mbuf mapping tag */
+	bus_dma_segment_t	vge_rx_listseg;
+	bus_dmamap_t		vge_rx_list_map;
+	struct vge_rx_desc	*vge_rx_list;
+	bus_dma_segment_t	vge_tx_listseg;
+	bus_dmamap_t		vge_tx_list_map;
+	struct vge_tx_desc	*vge_tx_list;
+};
+
+struct vge_softc {
+	struct device		vge_dev;
+	struct arpcom		arpcom;		/* interface info */
+	bus_space_handle_t	vge_bhandle;	/* bus space handle */
+	bus_space_tag_t		vge_btag;	/* bus space tag */
+	void			*vge_intrhand;
+	bus_dma_tag_t		sc_dmat;
+	struct mii_data		sc_mii;
+	int			vge_if_flags;
+	int			vge_rx_consumed;
+	int			vge_link;
+	int			vge_camidx;
+	struct timeout		timer_handle;
+	struct mbuf		*vge_head;
+	struct mbuf		*vge_tail;
+
+	struct vge_list_data	vge_ldata;
+};
+
+/*
+ * register space access macros
+ */
+#define CSR_WRITE_4(sc, reg, val)	\
+	bus_space_write_4(sc->vge_btag, sc->vge_bhandle, reg, val)
+#define CSR_WRITE_2(sc, reg, val)	\
+	bus_space_write_2(sc->vge_btag, sc->vge_bhandle, reg, val)
+#define CSR_WRITE_1(sc, reg, val)	\
+	bus_space_write_1(sc->vge_btag, sc->vge_bhandle, reg, val)
+
+#define CSR_READ_4(sc, reg)		\
+	bus_space_read_4(sc->vge_btag, sc->vge_bhandle, reg)
+#define CSR_READ_2(sc, reg)		\
+	bus_space_read_2(sc->vge_btag, sc->vge_bhandle, reg)
+#define CSR_READ_1(sc, reg)		\
+	bus_space_read_1(sc->vge_btag, sc->vge_bhandle, reg)
+
+#define CSR_SETBIT_1(sc, reg, x)	\
+	CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (x))
+#define CSR_SETBIT_2(sc, reg, x)	\
+	CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) | (x))
+#define CSR_SETBIT_4(sc, reg, x)	\
+	CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) | (x))
+
+#define CSR_CLRBIT_1(sc, reg, x)	\
+	CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(x))
+#define CSR_CLRBIT_2(sc, reg, x)	\
+	CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) & ~(x))
+#define CSR_CLRBIT_4(sc, reg, x)	\
+	CSR_WRITE_4(sc, reg, CSR_READ_4(sc, reg) & ~(x))
+
+#define VGE_TIMEOUT		10000