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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/net/smc91x.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'drivers/net/smc91x.h')
-rw-r--r--drivers/net/smc91x.h1032
1 files changed, 1032 insertions, 0 deletions
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
new file mode 100644
index 000000000000..ddd2688e7d33
--- /dev/null
+++ b/drivers/net/smc91x.h
@@ -0,0 +1,1032 @@
+/*------------------------------------------------------------------------
+ . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
+ .
+ . Copyright (C) 1996 by Erik Stahlman
+ . Copyright (C) 2001 Standard Microsystems Corporation
+ . Developed by Simple Network Magic Corporation
+ . Copyright (C) 2003 Monta Vista Software, Inc.
+ . Unified SMC91x driver by Nicolas Pitre
+ .
+ . This program is free software; you can redistribute it and/or modify
+ . it under the terms of the GNU General Public License as published by
+ . the Free Software Foundation; either version 2 of the License, or
+ . (at your option) any later version.
+ .
+ . This program is distributed in the hope that it will be useful,
+ . but WITHOUT ANY WARRANTY; without even the implied warranty of
+ . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ . GNU General Public License for more details.
+ .
+ . You should have received a copy of the GNU General Public License
+ . along with this program; if not, write to the Free Software
+ . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ .
+ . Information contained in this file was obtained from the LAN91C111
+ . manual from SMC. To get a copy, if you really want one, you can find
+ . information under www.smsc.com.
+ .
+ . Authors
+ . Erik Stahlman <erik@vt.edu>
+ . Daris A Nevil <dnevil@snmc.com>
+ . Nicolas Pitre <nico@cam.org>
+ .
+ ---------------------------------------------------------------------------*/
+#ifndef _SMC91X_H_
+#define _SMC91X_H_
+
+
+/*
+ * Define your architecture specific bus configuration parameters here.
+ */
+
+#if defined(CONFIG_ARCH_LUBBOCK)
+
+/* We can only do 16-bit reads and writes in the static memory space. */
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+#define SMC_NOWAIT 1
+
+/* The first two address lines aren't connected... */
+#define SMC_IO_SHIFT 2
+
+#define SMC_inw(a, r) readw((a) + (r))
+#define SMC_outw(v, a, r) writew(v, (a) + (r))
+#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
+#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
+
+#elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
+
+/* We can only do 16-bit reads and writes in the static memory space. */
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+#define SMC_NOWAIT 1
+
+#define SMC_IO_SHIFT 0
+
+#define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r)))
+#define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v)
+#define SMC_insw(a, r, p, l) \
+ do { \
+ unsigned long __port = (a) + (r); \
+ u16 *__p = (u16 *)(p); \
+ int __l = (l); \
+ insw(__port, __p, __l); \
+ while (__l > 0) { \
+ *__p = swab16(*__p); \
+ __p++; \
+ __l--; \
+ } \
+ } while (0)
+#define SMC_outsw(a, r, p, l) \
+ do { \
+ unsigned long __port = (a) + (r); \
+ u16 *__p = (u16 *)(p); \
+ int __l = (l); \
+ while (__l > 0) { \
+ /* Believe it or not, the swab isn't needed. */ \
+ outw( /* swab16 */ (*__p++), __port); \
+ __l--; \
+ } \
+ } while (0)
+#define set_irq_type(irq, type)
+
+#elif defined(CONFIG_SA1100_PLEB)
+/* We can only do 16-bit reads and writes in the static memory space. */
+#define SMC_CAN_USE_8BIT 1
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+#define SMC_IO_SHIFT 0
+#define SMC_NOWAIT 1
+
+#define SMC_inb(a, r) inb((a) + (r))
+#define SMC_insb(a, r, p, l) insb((a) + (r), p, (l))
+#define SMC_inw(a, r) inw((a) + (r))
+#define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
+#define SMC_outb(v, a, r) outb(v, (a) + (r))
+#define SMC_outsb(a, r, p, l) outsb((a) + (r), p, (l))
+#define SMC_outw(v, a, r) outw(v, (a) + (r))
+#define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
+
+#define set_irq_type(irq, type) do {} while (0)
+
+#elif defined(CONFIG_SA1100_ASSABET)
+
+#include <asm/arch/neponset.h>
+
+/* We can only do 8-bit reads and writes in the static memory space. */
+#define SMC_CAN_USE_8BIT 1
+#define SMC_CAN_USE_16BIT 0
+#define SMC_CAN_USE_32BIT 0
+#define SMC_NOWAIT 1
+
+/* The first two address lines aren't connected... */
+#define SMC_IO_SHIFT 2
+
+#define SMC_inb(a, r) readb((a) + (r))
+#define SMC_outb(v, a, r) writeb(v, (a) + (r))
+#define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
+#define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
+
+#elif defined(CONFIG_ARCH_INNOKOM) || \
+ defined(CONFIG_MACH_MAINSTONE) || \
+ defined(CONFIG_ARCH_PXA_IDP) || \
+ defined(CONFIG_ARCH_RAMSES)
+
+#define SMC_CAN_USE_8BIT 1
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 1
+#define SMC_IO_SHIFT 0
+#define SMC_NOWAIT 1
+#define SMC_USE_PXA_DMA 1
+
+#define SMC_inb(a, r) readb((a) + (r))
+#define SMC_inw(a, r) readw((a) + (r))
+#define SMC_inl(a, r) readl((a) + (r))
+#define SMC_outb(v, a, r) writeb(v, (a) + (r))
+#define SMC_outl(v, a, r) writel(v, (a) + (r))
+#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
+#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
+
+/* We actually can't write halfwords properly if not word aligned */
+static inline void
+SMC_outw(u16 val, unsigned long ioaddr, int reg)
+{
+ if (reg & 2) {
+ unsigned int v = val << 16;
+ v |= readl(ioaddr + (reg & ~2)) & 0xffff;
+ writel(v, ioaddr + (reg & ~2));
+ } else {
+ writew(val, ioaddr + reg);
+ }
+}
+
+#elif defined(CONFIG_ARCH_OMAP)
+
+/* We can only do 16-bit reads and writes in the static memory space. */
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+#define SMC_IO_SHIFT 0
+#define SMC_NOWAIT 1
+
+#define SMC_inb(a, r) readb((a) + (r))
+#define SMC_outb(v, a, r) writeb(v, (a) + (r))
+#define SMC_inw(a, r) readw((a) + (r))
+#define SMC_outw(v, a, r) writew(v, (a) + (r))
+#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
+#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
+#define SMC_inl(a, r) readl((a) + (r))
+#define SMC_outl(v, a, r) writel(v, (a) + (r))
+#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
+#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
+
+#elif defined(CONFIG_SH_SH4202_MICRODEV)
+
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+
+#define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
+#define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
+#define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
+#define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
+#define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
+#define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
+#define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
+#define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
+#define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
+#define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
+
+#define set_irq_type(irq, type) do {} while(0)
+
+#elif defined(CONFIG_ISA)
+
+#define SMC_CAN_USE_8BIT 1
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+
+#define SMC_inb(a, r) inb((a) + (r))
+#define SMC_inw(a, r) inw((a) + (r))
+#define SMC_outb(v, a, r) outb(v, (a) + (r))
+#define SMC_outw(v, a, r) outw(v, (a) + (r))
+#define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
+#define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
+
+#elif defined(CONFIG_M32R)
+
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+
+#define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
+#define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
+#define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
+#define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
+#define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
+#define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
+
+#define set_irq_type(irq, type) do {} while(0)
+
+#define RPC_LSA_DEFAULT RPC_LED_TX_RX
+#define RPC_LSB_DEFAULT RPC_LED_100_10
+
+#elif defined(CONFIG_MACH_LPD7A400) || defined(CONFIG_MACH_LPD7A404)
+
+/* The LPD7A40X_IOBARRIER is necessary to overcome a mismatch between
+ * the way that the CPU handles chip selects and the way that the SMC
+ * chip expects the chip select to operate. Refer to
+ * Documentation/arm/Sharp-LH/IOBarrier for details. The read from
+ * IOBARRIER is a byte as a least-common denominator of possible
+ * regions to use as the barrier. It would be wasteful to read 32
+ * bits from a byte oriented region.
+ *
+ * There is no explicit protection against interrupts intervening
+ * between the writew and the IOBARRIER. In SMC ISR there is a
+ * preamble that performs an IOBARRIER in the extremely unlikely event
+ * that the driver interrupts itself between a writew to the chip an
+ * the IOBARRIER that follows *and* the cache is large enough that the
+ * first off-chip access while handing the interrupt is to the SMC
+ * chip. Other devices in the same address space as the SMC chip must
+ * be aware of the potential for trouble and perform a similar
+ * IOBARRIER on entry to their ISR.
+ */
+
+#include <asm/arch/constants.h> /* IOBARRIER_VIRT */
+
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+#define SMC_NOWAIT 0
+#define LPD7A40X_IOBARRIER readb (IOBARRIER_VIRT)
+
+#define SMC_inw(a,r) readw ((void*) ((a) + (r)))
+#define SMC_insw(a,r,p,l) readsw ((void*) ((a) + (r)), p, l)
+#define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7A40X_IOBARRIER; })
+
+static inline void SMC_outsw (unsigned long a, int r, unsigned char* p, int l)
+{
+ unsigned short* ps = (unsigned short*) p;
+ while (l-- > 0) {
+ writew (*ps++, a + r);
+ LPD7A40X_IOBARRIER;
+ }
+}
+
+#define SMC_INTERRUPT_PREAMBLE LPD7A40X_IOBARRIER
+
+#define RPC_LSA_DEFAULT RPC_LED_TX_RX
+#define RPC_LSB_DEFAULT RPC_LED_100_10
+
+#else
+
+#define SMC_CAN_USE_8BIT 1
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 1
+#define SMC_NOWAIT 1
+
+#define SMC_inb(a, r) readb((a) + (r))
+#define SMC_inw(a, r) readw((a) + (r))
+#define SMC_inl(a, r) readl((a) + (r))
+#define SMC_outb(v, a, r) writeb(v, (a) + (r))
+#define SMC_outw(v, a, r) writew(v, (a) + (r))
+#define SMC_outl(v, a, r) writel(v, (a) + (r))
+#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
+#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
+
+#define RPC_LSA_DEFAULT RPC_LED_100_10
+#define RPC_LSB_DEFAULT RPC_LED_TX_RX
+
+#endif
+
+
+#ifdef SMC_USE_PXA_DMA
+/*
+ * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
+ * always happening in irq context so no need to worry about races. TX is
+ * different and probably not worth it for that reason, and not as critical
+ * as RX which can overrun memory and lose packets.
+ */
+#include <linux/dma-mapping.h>
+#include <asm/dma.h>
+#include <asm/arch/pxa-regs.h>
+
+#ifdef SMC_insl
+#undef SMC_insl
+#define SMC_insl(a, r, p, l) \
+ smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
+static inline void
+smc_pxa_dma_insl(u_long ioaddr, u_long physaddr, int reg, int dma,
+ u_char *buf, int len)
+{
+ dma_addr_t dmabuf;
+
+ /* fallback if no DMA available */
+ if (dma == (unsigned char)-1) {
+ readsl(ioaddr + reg, buf, len);
+ return;
+ }
+
+ /* 64 bit alignment is required for memory to memory DMA */
+ if ((long)buf & 4) {
+ *((u32 *)buf) = SMC_inl(ioaddr, reg);
+ buf += 4;
+ len--;
+ }
+
+ len *= 4;
+ dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
+ DCSR(dma) = DCSR_NODESC;
+ DTADR(dma) = dmabuf;
+ DSADR(dma) = physaddr + reg;
+ DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
+ DCMD_WIDTH4 | (DCMD_LENGTH & len));
+ DCSR(dma) = DCSR_NODESC | DCSR_RUN;
+ while (!(DCSR(dma) & DCSR_STOPSTATE))
+ cpu_relax();
+ DCSR(dma) = 0;
+ dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
+}
+#endif
+
+#ifdef SMC_insw
+#undef SMC_insw
+#define SMC_insw(a, r, p, l) \
+ smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
+static inline void
+smc_pxa_dma_insw(u_long ioaddr, u_long physaddr, int reg, int dma,
+ u_char *buf, int len)
+{
+ dma_addr_t dmabuf;
+
+ /* fallback if no DMA available */
+ if (dma == (unsigned char)-1) {
+ readsw(ioaddr + reg, buf, len);
+ return;
+ }
+
+ /* 64 bit alignment is required for memory to memory DMA */
+ while ((long)buf & 6) {
+ *((u16 *)buf) = SMC_inw(ioaddr, reg);
+ buf += 2;
+ len--;
+ }
+
+ len *= 2;
+ dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
+ DCSR(dma) = DCSR_NODESC;
+ DTADR(dma) = dmabuf;
+ DSADR(dma) = physaddr + reg;
+ DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
+ DCMD_WIDTH2 | (DCMD_LENGTH & len));
+ DCSR(dma) = DCSR_NODESC | DCSR_RUN;
+ while (!(DCSR(dma) & DCSR_STOPSTATE))
+ cpu_relax();
+ DCSR(dma) = 0;
+ dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
+}
+#endif
+
+static void
+smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
+{
+ DCSR(dma) = 0;
+}
+#endif /* SMC_USE_PXA_DMA */
+
+
+/* Because of bank switching, the LAN91x uses only 16 I/O ports */
+#ifndef SMC_IO_SHIFT
+#define SMC_IO_SHIFT 0
+#endif
+#define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
+#define SMC_DATA_EXTENT (4)
+
+/*
+ . Bank Select Register:
+ .
+ . yyyy yyyy 0000 00xx
+ . xx = bank number
+ . yyyy yyyy = 0x33, for identification purposes.
+*/
+#define BANK_SELECT (14 << SMC_IO_SHIFT)
+
+
+// Transmit Control Register
+/* BANK 0 */
+#define TCR_REG SMC_REG(0x0000, 0)
+#define TCR_ENABLE 0x0001 // When 1 we can transmit
+#define TCR_LOOP 0x0002 // Controls output pin LBK
+#define TCR_FORCOL 0x0004 // When 1 will force a collision
+#define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
+#define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
+#define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
+#define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
+#define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
+#define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
+#define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
+
+#define TCR_CLEAR 0 /* do NOTHING */
+/* the default settings for the TCR register : */
+#define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
+
+
+// EPH Status Register
+/* BANK 0 */
+#define EPH_STATUS_REG SMC_REG(0x0002, 0)
+#define ES_TX_SUC 0x0001 // Last TX was successful
+#define ES_SNGL_COL 0x0002 // Single collision detected for last tx
+#define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
+#define ES_LTX_MULT 0x0008 // Last tx was a multicast
+#define ES_16COL 0x0010 // 16 Collisions Reached
+#define ES_SQET 0x0020 // Signal Quality Error Test
+#define ES_LTXBRD 0x0040 // Last tx was a broadcast
+#define ES_TXDEFR 0x0080 // Transmit Deferred
+#define ES_LATCOL 0x0200 // Late collision detected on last tx
+#define ES_LOSTCARR 0x0400 // Lost Carrier Sense
+#define ES_EXC_DEF 0x0800 // Excessive Deferral
+#define ES_CTR_ROL 0x1000 // Counter Roll Over indication
+#define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
+#define ES_TXUNRN 0x8000 // Tx Underrun
+
+
+// Receive Control Register
+/* BANK 0 */
+#define RCR_REG SMC_REG(0x0004, 0)
+#define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
+#define RCR_PRMS 0x0002 // Enable promiscuous mode
+#define RCR_ALMUL 0x0004 // When set accepts all multicast frames
+#define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
+#define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
+#define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
+#define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
+#define RCR_SOFTRST 0x8000 // resets the chip
+
+/* the normal settings for the RCR register : */
+#define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
+#define RCR_CLEAR 0x0 // set it to a base state
+
+
+// Counter Register
+/* BANK 0 */
+#define COUNTER_REG SMC_REG(0x0006, 0)
+
+
+// Memory Information Register
+/* BANK 0 */
+#define MIR_REG SMC_REG(0x0008, 0)
+
+
+// Receive/Phy Control Register
+/* BANK 0 */
+#define RPC_REG SMC_REG(0x000A, 0)
+#define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
+#define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
+#define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
+#define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
+#define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
+#define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect
+#define RPC_LED_RES (0x01) // LED = Reserved
+#define RPC_LED_10 (0x02) // LED = 10Mbps link detect
+#define RPC_LED_FD (0x03) // LED = Full Duplex Mode
+#define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred
+#define RPC_LED_100 (0x05) // LED = 100Mbps link dectect
+#define RPC_LED_TX (0x06) // LED = TX packet occurred
+#define RPC_LED_RX (0x07) // LED = RX packet occurred
+
+#ifndef RPC_LSA_DEFAULT
+#define RPC_LSA_DEFAULT RPC_LED_100
+#endif
+#ifndef RPC_LSB_DEFAULT
+#define RPC_LSB_DEFAULT RPC_LED_FD
+#endif
+
+#define RPC_DEFAULT (RPC_ANEG | (RPC_LSA_DEFAULT << RPC_LSXA_SHFT) | (RPC_LSB_DEFAULT << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX)
+
+
+/* Bank 0 0x0C is reserved */
+
+// Bank Select Register
+/* All Banks */
+#define BSR_REG 0x000E
+
+
+// Configuration Reg
+/* BANK 1 */
+#define CONFIG_REG SMC_REG(0x0000, 1)
+#define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
+#define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
+#define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
+#define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
+
+// Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
+#define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
+
+
+// Base Address Register
+/* BANK 1 */
+#define BASE_REG SMC_REG(0x0002, 1)
+
+
+// Individual Address Registers
+/* BANK 1 */
+#define ADDR0_REG SMC_REG(0x0004, 1)
+#define ADDR1_REG SMC_REG(0x0006, 1)
+#define ADDR2_REG SMC_REG(0x0008, 1)
+
+
+// General Purpose Register
+/* BANK 1 */
+#define GP_REG SMC_REG(0x000A, 1)
+
+
+// Control Register
+/* BANK 1 */
+#define CTL_REG SMC_REG(0x000C, 1)
+#define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
+#define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
+#define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
+#define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
+#define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
+#define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
+#define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
+#define CTL_STORE 0x0001 // When set stores registers into EEPROM
+
+
+// MMU Command Register
+/* BANK 2 */
+#define MMU_CMD_REG SMC_REG(0x0000, 2)
+#define MC_BUSY 1 // When 1 the last release has not completed
+#define MC_NOP (0<<5) // No Op
+#define MC_ALLOC (1<<5) // OR with number of 256 byte packets
+#define MC_RESET (2<<5) // Reset MMU to initial state
+#define MC_REMOVE (3<<5) // Remove the current rx packet
+#define MC_RELEASE (4<<5) // Remove and release the current rx packet
+#define MC_FREEPKT (5<<5) // Release packet in PNR register
+#define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
+#define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
+
+
+// Packet Number Register
+/* BANK 2 */
+#define PN_REG SMC_REG(0x0002, 2)
+
+
+// Allocation Result Register
+/* BANK 2 */
+#define AR_REG SMC_REG(0x0003, 2)
+#define AR_FAILED 0x80 // Alocation Failed
+
+
+// TX FIFO Ports Register
+/* BANK 2 */
+#define TXFIFO_REG SMC_REG(0x0004, 2)
+#define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
+
+// RX FIFO Ports Register
+/* BANK 2 */
+#define RXFIFO_REG SMC_REG(0x0005, 2)
+#define RXFIFO_REMPTY 0x80 // RX FIFO Empty
+
+#define FIFO_REG SMC_REG(0x0004, 2)
+
+// Pointer Register
+/* BANK 2 */
+#define PTR_REG SMC_REG(0x0006, 2)
+#define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
+#define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
+#define PTR_READ 0x2000 // When 1 the operation is a read
+
+
+// Data Register
+/* BANK 2 */
+#define DATA_REG SMC_REG(0x0008, 2)
+
+
+// Interrupt Status/Acknowledge Register
+/* BANK 2 */
+#define INT_REG SMC_REG(0x000C, 2)
+
+
+// Interrupt Mask Register
+/* BANK 2 */
+#define IM_REG SMC_REG(0x000D, 2)
+#define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
+#define IM_ERCV_INT 0x40 // Early Receive Interrupt
+#define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
+#define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
+#define IM_ALLOC_INT 0x08 // Set when allocation request is completed
+#define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
+#define IM_TX_INT 0x02 // Transmit Interrupt
+#define IM_RCV_INT 0x01 // Receive Interrupt
+
+
+// Multicast Table Registers
+/* BANK 3 */
+#define MCAST_REG1 SMC_REG(0x0000, 3)
+#define MCAST_REG2 SMC_REG(0x0002, 3)
+#define MCAST_REG3 SMC_REG(0x0004, 3)
+#define MCAST_REG4 SMC_REG(0x0006, 3)
+
+
+// Management Interface Register (MII)
+/* BANK 3 */
+#define MII_REG SMC_REG(0x0008, 3)
+#define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
+#define MII_MDOE 0x0008 // MII Output Enable
+#define MII_MCLK 0x0004 // MII Clock, pin MDCLK
+#define MII_MDI 0x0002 // MII Input, pin MDI
+#define MII_MDO 0x0001 // MII Output, pin MDO
+
+
+// Revision Register
+/* BANK 3 */
+/* ( hi: chip id low: rev # ) */
+#define REV_REG SMC_REG(0x000A, 3)
+
+
+// Early RCV Register
+/* BANK 3 */
+/* this is NOT on SMC9192 */
+#define ERCV_REG SMC_REG(0x000C, 3)
+#define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
+#define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
+
+
+// External Register
+/* BANK 7 */
+#define EXT_REG SMC_REG(0x0000, 7)
+
+
+#define CHIP_9192 3
+#define CHIP_9194 4
+#define CHIP_9195 5
+#define CHIP_9196 6
+#define CHIP_91100 7
+#define CHIP_91100FD 8
+#define CHIP_91111FD 9
+
+static const char * chip_ids[ 16 ] = {
+ NULL, NULL, NULL,
+ /* 3 */ "SMC91C90/91C92",
+ /* 4 */ "SMC91C94",
+ /* 5 */ "SMC91C95",
+ /* 6 */ "SMC91C96",
+ /* 7 */ "SMC91C100",
+ /* 8 */ "SMC91C100FD",
+ /* 9 */ "SMC91C11xFD",
+ NULL, NULL, NULL,
+ NULL, NULL, NULL};
+
+
+/*
+ . Transmit status bits
+*/
+#define TS_SUCCESS 0x0001
+#define TS_LOSTCAR 0x0400
+#define TS_LATCOL 0x0200
+#define TS_16COL 0x0010
+
+/*
+ . Receive status bits
+*/
+#define RS_ALGNERR 0x8000
+#define RS_BRODCAST 0x4000
+#define RS_BADCRC 0x2000
+#define RS_ODDFRAME 0x1000
+#define RS_TOOLONG 0x0800
+#define RS_TOOSHORT 0x0400
+#define RS_MULTICAST 0x0001
+#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
+
+
+/*
+ * PHY IDs
+ * LAN83C183 == LAN91C111 Internal PHY
+ */
+#define PHY_LAN83C183 0x0016f840
+#define PHY_LAN83C180 0x02821c50
+
+/*
+ * PHY Register Addresses (LAN91C111 Internal PHY)
+ *
+ * Generic PHY registers can be found in <linux/mii.h>
+ *
+ * These phy registers are specific to our on-board phy.
+ */
+
+// PHY Configuration Register 1
+#define PHY_CFG1_REG 0x10
+#define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
+#define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
+#define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
+#define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
+#define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
+#define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
+#define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
+#define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
+#define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
+#define PHY_CFG1_TLVL_MASK 0x003C
+#define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
+
+
+// PHY Configuration Register 2
+#define PHY_CFG2_REG 0x11
+#define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
+#define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
+#define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
+#define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
+
+// PHY Status Output (and Interrupt status) Register
+#define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
+#define PHY_INT_INT 0x8000 // 1=bits have changed since last read
+#define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
+#define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
+#define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
+#define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
+#define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
+#define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
+#define PHY_INT_JAB 0x0100 // 1=Jabber detected
+#define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
+#define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
+
+// PHY Interrupt/Status Mask Register
+#define PHY_MASK_REG 0x13 // Interrupt Mask
+// Uses the same bit definitions as PHY_INT_REG
+
+
+/*
+ * SMC91C96 ethernet config and status registers.
+ * These are in the "attribute" space.
+ */
+#define ECOR 0x8000
+#define ECOR_RESET 0x80
+#define ECOR_LEVEL_IRQ 0x40
+#define ECOR_WR_ATTRIB 0x04
+#define ECOR_ENABLE 0x01
+
+#define ECSR 0x8002
+#define ECSR_IOIS8 0x20
+#define ECSR_PWRDWN 0x04
+#define ECSR_INT 0x02
+
+#define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
+
+
+/*
+ * Macros to abstract register access according to the data bus
+ * capabilities. Please use those and not the in/out primitives.
+ * Note: the following macros do *not* select the bank -- this must
+ * be done separately as needed in the main code. The SMC_REG() macro
+ * only uses the bank argument for debugging purposes (when enabled).
+ */
+
+#if SMC_DEBUG > 0
+#define SMC_REG(reg, bank) \
+ ({ \
+ int __b = SMC_CURRENT_BANK(); \
+ if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
+ printk( "%s: bank reg screwed (0x%04x)\n", \
+ CARDNAME, __b ); \
+ BUG(); \
+ } \
+ reg<<SMC_IO_SHIFT; \
+ })
+#else
+#define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
+#endif
+
+#if SMC_CAN_USE_8BIT
+#define SMC_GET_PN() SMC_inb( ioaddr, PN_REG )
+#define SMC_SET_PN(x) SMC_outb( x, ioaddr, PN_REG )
+#define SMC_GET_AR() SMC_inb( ioaddr, AR_REG )
+#define SMC_GET_TXFIFO() SMC_inb( ioaddr, TXFIFO_REG )
+#define SMC_GET_RXFIFO() SMC_inb( ioaddr, RXFIFO_REG )
+#define SMC_GET_INT() SMC_inb( ioaddr, INT_REG )
+#define SMC_ACK_INT(x) SMC_outb( x, ioaddr, INT_REG )
+#define SMC_GET_INT_MASK() SMC_inb( ioaddr, IM_REG )
+#define SMC_SET_INT_MASK(x) SMC_outb( x, ioaddr, IM_REG )
+#else
+#define SMC_GET_PN() (SMC_inw( ioaddr, PN_REG ) & 0xFF)
+#define SMC_SET_PN(x) SMC_outw( x, ioaddr, PN_REG )
+#define SMC_GET_AR() (SMC_inw( ioaddr, PN_REG ) >> 8)
+#define SMC_GET_TXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) & 0xFF)
+#define SMC_GET_RXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) >> 8)
+#define SMC_GET_INT() (SMC_inw( ioaddr, INT_REG ) & 0xFF)
+#define SMC_ACK_INT(x) \
+ do { \
+ unsigned long __flags; \
+ int __mask; \
+ local_irq_save(__flags); \
+ __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
+ SMC_outw( __mask | (x), ioaddr, INT_REG ); \
+ local_irq_restore(__flags); \
+ } while (0)
+#define SMC_GET_INT_MASK() (SMC_inw( ioaddr, INT_REG ) >> 8)
+#define SMC_SET_INT_MASK(x) SMC_outw( (x) << 8, ioaddr, INT_REG )
+#endif
+
+#define SMC_CURRENT_BANK() SMC_inw( ioaddr, BANK_SELECT )
+#define SMC_SELECT_BANK(x) SMC_outw( x, ioaddr, BANK_SELECT )
+#define SMC_GET_BASE() SMC_inw( ioaddr, BASE_REG )
+#define SMC_SET_BASE(x) SMC_outw( x, ioaddr, BASE_REG )
+#define SMC_GET_CONFIG() SMC_inw( ioaddr, CONFIG_REG )
+#define SMC_SET_CONFIG(x) SMC_outw( x, ioaddr, CONFIG_REG )
+#define SMC_GET_COUNTER() SMC_inw( ioaddr, COUNTER_REG )
+#define SMC_GET_CTL() SMC_inw( ioaddr, CTL_REG )
+#define SMC_SET_CTL(x) SMC_outw( x, ioaddr, CTL_REG )
+#define SMC_GET_MII() SMC_inw( ioaddr, MII_REG )
+#define SMC_SET_MII(x) SMC_outw( x, ioaddr, MII_REG )
+#define SMC_GET_MIR() SMC_inw( ioaddr, MIR_REG )
+#define SMC_SET_MIR(x) SMC_outw( x, ioaddr, MIR_REG )
+#define SMC_GET_MMU_CMD() SMC_inw( ioaddr, MMU_CMD_REG )
+#define SMC_SET_MMU_CMD(x) SMC_outw( x, ioaddr, MMU_CMD_REG )
+#define SMC_GET_FIFO() SMC_inw( ioaddr, FIFO_REG )
+#define SMC_GET_PTR() SMC_inw( ioaddr, PTR_REG )
+#define SMC_SET_PTR(x) SMC_outw( x, ioaddr, PTR_REG )
+#define SMC_GET_RCR() SMC_inw( ioaddr, RCR_REG )
+#define SMC_SET_RCR(x) SMC_outw( x, ioaddr, RCR_REG )
+#define SMC_GET_REV() SMC_inw( ioaddr, REV_REG )
+#define SMC_GET_RPC() SMC_inw( ioaddr, RPC_REG )
+#define SMC_SET_RPC(x) SMC_outw( x, ioaddr, RPC_REG )
+#define SMC_GET_TCR() SMC_inw( ioaddr, TCR_REG )
+#define SMC_SET_TCR(x) SMC_outw( x, ioaddr, TCR_REG )
+
+#ifndef SMC_GET_MAC_ADDR
+#define SMC_GET_MAC_ADDR(addr) \
+ do { \
+ unsigned int __v; \
+ __v = SMC_inw( ioaddr, ADDR0_REG ); \
+ addr[0] = __v; addr[1] = __v >> 8; \
+ __v = SMC_inw( ioaddr, ADDR1_REG ); \
+ addr[2] = __v; addr[3] = __v >> 8; \
+ __v = SMC_inw( ioaddr, ADDR2_REG ); \
+ addr[4] = __v; addr[5] = __v >> 8; \
+ } while (0)
+#endif
+
+#define SMC_SET_MAC_ADDR(addr) \
+ do { \
+ SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG ); \
+ SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG ); \
+ SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG ); \
+ } while (0)
+
+#define SMC_SET_MCAST(x) \
+ do { \
+ const unsigned char *mt = (x); \
+ SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 ); \
+ SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 ); \
+ SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 ); \
+ SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
+ } while (0)
+
+#if SMC_CAN_USE_32BIT
+/*
+ * Some setups just can't write 8 or 16 bits reliably when not aligned
+ * to a 32 bit boundary. I tell you that exists!
+ * We re-do the ones here that can be easily worked around if they can have
+ * their low parts written to 0 without adverse effects.
+ */
+#undef SMC_SELECT_BANK
+#define SMC_SELECT_BANK(x) SMC_outl( (x)<<16, ioaddr, 12<<SMC_IO_SHIFT )
+#undef SMC_SET_RPC
+#define SMC_SET_RPC(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(8, 0) )
+#undef SMC_SET_PN
+#define SMC_SET_PN(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(0, 2) )
+#undef SMC_SET_PTR
+#define SMC_SET_PTR(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(4, 2) )
+#endif
+
+#if SMC_CAN_USE_32BIT
+#define SMC_PUT_PKT_HDR(status, length) \
+ SMC_outl( (status) | (length) << 16, ioaddr, DATA_REG )
+#define SMC_GET_PKT_HDR(status, length) \
+ do { \
+ unsigned int __val = SMC_inl( ioaddr, DATA_REG ); \
+ (status) = __val & 0xffff; \
+ (length) = __val >> 16; \
+ } while (0)
+#else
+#define SMC_PUT_PKT_HDR(status, length) \
+ do { \
+ SMC_outw( status, ioaddr, DATA_REG ); \
+ SMC_outw( length, ioaddr, DATA_REG ); \
+ } while (0)
+#define SMC_GET_PKT_HDR(status, length) \
+ do { \
+ (status) = SMC_inw( ioaddr, DATA_REG ); \
+ (length) = SMC_inw( ioaddr, DATA_REG ); \
+ } while (0)
+#endif
+
+#if SMC_CAN_USE_32BIT
+#define _SMC_PUSH_DATA(p, l) \
+ do { \
+ char *__ptr = (p); \
+ int __len = (l); \
+ if (__len >= 2 && (unsigned long)__ptr & 2) { \
+ __len -= 2; \
+ SMC_outw( *(u16 *)__ptr, ioaddr, DATA_REG ); \
+ __ptr += 2; \
+ } \
+ SMC_outsl( ioaddr, DATA_REG, __ptr, __len >> 2); \
+ if (__len & 2) { \
+ __ptr += (__len & ~3); \
+ SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
+ } \
+ } while (0)
+#define _SMC_PULL_DATA(p, l) \
+ do { \
+ char *__ptr = (p); \
+ int __len = (l); \
+ if ((unsigned long)__ptr & 2) { \
+ /* \
+ * We want 32bit alignment here. \
+ * Since some buses perform a full 32bit \
+ * fetch even for 16bit data we can't use \
+ * SMC_inw() here. Back both source (on chip \
+ * and destination) pointers of 2 bytes. \
+ */ \
+ __ptr -= 2; \
+ __len += 2; \
+ SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
+ } \
+ __len += 2; \
+ SMC_insl( ioaddr, DATA_REG, __ptr, __len >> 2); \
+ } while (0)
+#elif SMC_CAN_USE_16BIT
+#define _SMC_PUSH_DATA(p, l) SMC_outsw( ioaddr, DATA_REG, p, (l) >> 1 )
+#define _SMC_PULL_DATA(p, l) SMC_insw ( ioaddr, DATA_REG, p, (l) >> 1 )
+#elif SMC_CAN_USE_8BIT
+#define _SMC_PUSH_DATA(p, l) SMC_outsb( ioaddr, DATA_REG, p, l )
+#define _SMC_PULL_DATA(p, l) SMC_insb ( ioaddr, DATA_REG, p, l )
+#endif
+
+#if ! SMC_CAN_USE_16BIT
+#define SMC_outw(x, ioaddr, reg) \
+ do { \
+ unsigned int __val16 = (x); \
+ SMC_outb( __val16, ioaddr, reg ); \
+ SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
+ } while (0)
+#define SMC_inw(ioaddr, reg) \
+ ({ \
+ unsigned int __val16; \
+ __val16 = SMC_inb( ioaddr, reg ); \
+ __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
+ __val16; \
+ })
+#endif
+
+#if SMC_CAN_USE_DATACS
+#define SMC_PUSH_DATA(p, l) \
+ if ( lp->datacs ) { \
+ unsigned char *__ptr = (p); \
+ int __len = (l); \
+ if (__len >= 2 && (unsigned long)__ptr & 2) { \
+ __len -= 2; \
+ SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
+ __ptr += 2; \
+ } \
+ outsl(lp->datacs, __ptr, __len >> 2); \
+ if (__len & 2) { \
+ __ptr += (__len & ~3); \
+ SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
+ } \
+ } else { \
+ _SMC_PUSH_DATA(p, l); \
+ }
+
+#define SMC_PULL_DATA(p, l) \
+ if ( lp->datacs ) { \
+ unsigned char *__ptr = (p); \
+ int __len = (l); \
+ if ((unsigned long)__ptr & 2) { \
+ /* \
+ * We want 32bit alignment here. \
+ * Since some buses perform a full 32bit \
+ * fetch even for 16bit data we can't use \
+ * SMC_inw() here. Back both source (on chip \
+ * and destination) pointers of 2 bytes. \
+ */ \
+ __ptr -= 2; \
+ __len += 2; \
+ SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
+ } \
+ __len += 2; \
+ insl( lp->datacs, __ptr, __len >> 2); \
+ } else { \
+ _SMC_PULL_DATA(p, l); \
+ }
+#else
+#define SMC_PUSH_DATA(p, l) _SMC_PUSH_DATA(p, l)
+#define SMC_PULL_DATA(p, l) _SMC_PULL_DATA(p, l)
+#endif
+
+#if !defined (SMC_INTERRUPT_PREAMBLE)
+# define SMC_INTERRUPT_PREAMBLE
+#endif
+
+#endif /* _SMC91X_H_ */