path: root/drivers/net/smc911x.h

/*------------------------------------------------------------------------
 . smc911x.h - macros for SMSC's LAN911{5,6,7,8} single-chip Ethernet device.
 .
 . Copyright (C) 2005 Sensoria Corp.
 . Derived from the 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 LAN9118
 . manual from SMC.  To get a copy, if you really want one, you can find
 . information under www.smsc.com.
 .
 . Authors
 .	 Dustin McIntire		 <dustin@sensoria.com>
 .
 ---------------------------------------------------------------------------*/
#ifndef _SMC911X_H_
#define _SMC911X_H_

/*
 * Use the DMA feature on PXA chips
 */
#ifdef CONFIG_ARCH_PXA
  #define SMC_USE_PXA_DMA	1
  #define SMC_USE_16BIT		0
  #define SMC_USE_32BIT		1
#endif


/*
 * Define the bus width specific IO macros
 */

#if	SMC_USE_16BIT
#define SMC_inb(a, r)			 readb((a) + (r))
#define SMC_inw(a, r)			 readw((a) + (r))
#define SMC_inl(a, r)			 ((SMC_inw(a, r) & 0xFFFF)+(SMC_inw(a+2, r)<<16))
#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) 			 \
	do{					 \
		 writel(v & 0xFFFF, (a) + (r));	 \
		 writel(v >> 16, (a) + (r) + 2); \
	 } while (0)
#define SMC_insl(a, r, p, l)	 readsw((short*)((a) + (r)), p, l*2)
#define SMC_outsl(a, r, p, l)	 writesw((short*)((a) + (r)), p, l*2)

#elif	SMC_USE_32BIT
#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((int*)((a) + (r)), p, l)
#define SMC_outsl(a, r, p, l)	 writesl((int*)((a) + (r)), p, l)

#endif /* SMC_USE_16BIT */



#if	 SMC_USE_PXA_DMA
#define SMC_USE_DMA

/* 
 * Define the request and free functions 
 * These are unfortunately architecture specific as no generic allocation
 * mechanism exits
 */
#define SMC_DMA_REQUEST(dev, handler) \
	 pxa_request_dma(dev->name, DMA_PRIO_LOW, handler, dev)	   

#define SMC_DMA_FREE(dev, dma) \
	 pxa_free_dma(dma)

#define SMC_DMA_ACK_IRQ(dev, dma)					\
{									\
	if (DCSR(dma) & DCSR_BUSERR) {					\
		printk("%s: DMA %d bus error!\n", dev->name, dma);	\
	}								\
	DCSR(dma) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR;		\
}

/*
 * Use a DMA for RX and TX packets.
 */
#include <linux/dma-mapping.h>
#include <asm/dma.h>
#include <asm/arch/pxa-regs.h>

static dma_addr_t rx_dmabuf, tx_dmabuf;
static int rx_dmalen, tx_dmalen;
 
#ifdef SMC_insl
#undef SMC_insl
#define SMC_insl(a, r, p, l) \
	smc_pxa_dma_insl(lp->dev, a, lp->physaddr, r, lp->rxdma, p, l)

static inline void
smc_pxa_dma_insl(struct device *dev, u_long ioaddr, u_long physaddr, 
		int reg, int dma, u_char *buf, int len)
{
	/* 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;
	rx_dmabuf = dma_map_single(dev, buf, len, DMA_FROM_DEVICE);
	rx_dmalen = len;
	DCSR(dma) = DCSR_NODESC;
	DTADR(dma) = rx_dmabuf;
	DSADR(dma) = physaddr + reg;
	DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
		DCMD_WIDTH4 | DCMD_ENDIRQEN | (DCMD_LENGTH & rx_dmalen));
	DCSR(dma) = DCSR_NODESC | DCSR_RUN;
}
#endif

#ifdef SMC_insw
#undef SMC_insw
#define SMC_insw(a, r, p, l) \
	smc_pxa_dma_insw(lp->dev, a, lp->physaddr, r, lp->rxdma, p, l)

static inline void
smc_pxa_dma_insw(struct device *dev, u_long ioaddr, u_long physaddr, 
		int reg, int dma, u_char *buf, int len)
{
	/* 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;
	rx_dmabuf = dma_map_single(dev, buf, len, DMA_FROM_DEVICE);
	rx_dmalen = len;
	DCSR(dma) = DCSR_NODESC;
	DTADR(dma) = rx_dmabuf;
	DSADR(dma) = physaddr + reg;
	DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
		DCMD_WIDTH2 | DCMD_ENDIRQEN | (DCMD_LENGTH & rx_dmalen));
	DCSR(dma) = DCSR_NODESC | DCSR_RUN;
}
#endif

#ifdef SMC_outsl
#undef SMC_outsl
#define SMC_outsl(a, r, p, l) \
	 smc_pxa_dma_outsl(lp->dev, a, lp->physaddr, r, lp->txdma, p, l)

static inline void
smc_pxa_dma_outsl(struct device *dev, u_long ioaddr, u_long physaddr, 
		int reg, int dma, u_char *buf, int len)
{
	/* 64 bit alignment is required for memory to memory DMA */
	if ((long)buf & 4) {
		SMC_outl(*((u32 *)buf), ioaddr, reg);
		buf += 4;
		len--;
	}

	len *= 4;
	tx_dmabuf = dma_map_single(dev, buf, len, DMA_TO_DEVICE);
	tx_dmalen = len;
	DCSR(dma) = DCSR_NODESC;
	DSADR(dma) = tx_dmabuf;
	DTADR(dma) = physaddr + reg;
	DCMD(dma) = (DCMD_INCSRCADDR | DCMD_BURST32 |
		DCMD_WIDTH4 | DCMD_ENDIRQEN | (DCMD_LENGTH & tx_dmalen));
	DCSR(dma) = DCSR_NODESC | DCSR_RUN;
}
#endif

#ifdef SMC_outsw
#undef SMC_outsw
#define SMC_outsw(a, r, p, l) \
	smc_pxa_dma_outsw(lp->dev, a, lp->physaddr, r, lp->txdma, p, l)

static inline void
smc_pxa_dma_outsw(struct device *dev, u_long ioaddr, u_long physaddr, 
		  int reg, int dma, u_char *buf, int len)
{
	/* 64 bit alignment is required for memory to memory DMA */
	while ((long)buf & 6) {
		SMC_outw(*((u16 *)buf), ioaddr, reg);
		buf += 2;
		len--;
	}

	len *= 2;
	tx_dmabuf = dma_map_single(dev, buf, len, DMA_TO_DEVICE);
	tx_dmalen = len;
	DCSR(dma) = DCSR_NODESC;
	DSADR(dma) = tx_dmabuf;
	DTADR(dma) = physaddr + reg;
	DCMD(dma) = (DCMD_INCSRCADDR | DCMD_BURST32 |
		DCMD_WIDTH2 | DCMD_ENDIRQEN | (DCMD_LENGTH & tx_dmalen));
	DCSR(dma) = DCSR_NODESC | DCSR_RUN;
}
#endif

#endif	 /* SMC_USE_PXA_DMA */


/* Chip Parameters and Register Definitions */

#define SMC911X_TX_FIFO_LOW_THRESHOLD	(1536*2)

#define SMC911X_IO_EXTENT	 0x100

#define SMC911X_EEPROM_LEN	 7

/* Below are the register offsets and bit definitions
 * of the Lan911x memory space
 */
#define RX_DATA_FIFO		 (0x00)

#define TX_DATA_FIFO		 (0x20)
#define	TX_CMD_A_INT_ON_COMP_		(0x80000000)
#define	TX_CMD_A_INT_BUF_END_ALGN_	(0x03000000)
#define	TX_CMD_A_INT_4_BYTE_ALGN_	(0x00000000)
#define	TX_CMD_A_INT_16_BYTE_ALGN_	(0x01000000)
#define	TX_CMD_A_INT_32_BYTE_ALGN_	(0x02000000)
#define	TX_CMD_A_INT_DATA_OFFSET_	(0x001F0000)
#define	TX_CMD_A_INT_FIRST_SEG_		(0x00002000)
#define	TX_CMD_A_INT_LAST_SEG_		(0x00001000)
#define	TX_CMD_A_BUF_SIZE_		(0x000007FF)
#define	TX_CMD_B_PKT_TAG_		(0xFFFF0000)
#define	TX_CMD_B_ADD_CRC_DISABLE_	(0x00002000)
#define	TX_CMD_B_DISABLE_PADDING_	(0x00001000)
#define	TX_CMD_B_PKT_BYTE_LENGTH_	(0x000007FF)

#define RX_STATUS_FIFO		(0x40)
#define	RX_STS_PKT_LEN_			(0x3FFF0000)
#define	RX_STS_ES_			(0x00008000)
#define	RX_STS_BCST_			(0x00002000)
#define	RX_STS_LEN_ERR_			(0x00001000)
#define	RX_STS_RUNT_ERR_		(0x00000800)
#define	RX_STS_MCAST_			(0x00000400)
#define	RX_STS_TOO_LONG_		(0x00000080)
#define	RX_STS_COLL_			(0x00000040)
#define	RX_STS_ETH_TYPE_		(0x00000020)
#define	RX_STS_WDOG_TMT_		(0x00000010)
#define	RX_STS_MII_ERR_			(0x00000008)
#define	RX_STS_DRIBBLING_		(0x00000004)
#define	RX_STS_CRC_ERR_			(0x00000002)
#define RX_STATUS_FIFO_PEEK 	(0x44)
#define TX_STATUS_FIFO		(0x48)
#define	TX_STS_TAG_			(0xFFFF0000)
#define	TX_STS_ES_			(0x00008000)
#define	TX_STS_LOC_			(0x00000800)
#define	TX_STS_NO_CARR_			(0x00000400)
#define	TX_STS_LATE_COLL_		(0x00000200)
#define	TX_STS_MANY_COLL_		(0x00000100)
#define	TX_STS_COLL_CNT_		(0x00000078)
#define	TX_STS_MANY_DEFER_		(0x00000004)
#define	TX_STS_UNDERRUN_		(0x00000002)
#define	TX_STS_DEFERRED_		(0x00000001)
#define TX_STATUS_FIFO_PEEK	(0x4C)
#define ID_REV			(0x50)
#define	ID_REV_CHIP_ID_			(0xFFFF0000)  /* RO */
#define	ID_REV_REV_ID_			(0x0000FFFF)  /* RO */

#define INT_CFG			(0x54)
#define	INT_CFG_INT_DEAS_		(0xFF000000)  /* R/W */
#define	INT_CFG_INT_DEAS_CLR_		(0x00004000)
#define	INT_CFG_INT_DEAS_STS_		(0x00002000)
#define	INT_CFG_IRQ_INT_		(0x00001000)  /* RO */
#define	INT_CFG_IRQ_EN_			(0x00000100)  /* R/W */
#define	INT_CFG_IRQ_POL_		(0x00000010)  /* R/W Not Affected by SW Reset */
#define	INT_CFG_IRQ_TYPE_		(0x00000001)  /* R/W Not Affected by SW Reset */

#define INT_STS			(0x58)
#define	INT_STS_SW_INT_			(0x80000000)  /* R/WC */
#define	INT_STS_TXSTOP_INT_		(0x02000000)  /* R/WC */
#define	INT_STS_RXSTOP_INT_		(0x01000000)  /* R/WC */
#define	INT_STS_RXDFH_INT_		(0x00800000)  /* R/WC */
#define	INT_STS_RXDF_INT_		(0x00400000)  /* R/WC */
#define	INT_STS_TX_IOC_			(0x00200000)  /* R/WC */
#define	INT_STS_RXD_INT_		(0x00100000)  /* R/WC */
#define	INT_STS_GPT_INT_		(0x00080000)  /* R/WC */
#define	INT_STS_PHY_INT_		(0x00040000)  /* RO */
#define	INT_STS_PME_INT_		(0x00020000)  /* R/WC */
#define	INT_STS_TXSO_			(0x00010000)  /* R/WC */
#define	INT_STS_RWT_			(0x00008000)  /* R/WC */
#define	INT_STS_RXE_			(0x00004000)  /* R/WC */
#define	INT_STS_TXE_			(0x00002000)  /* R/WC */
//#define	INT_STS_ERX_		(0x00001000)  /* R/WC */
#define	INT_STS_TDFU_			(0x00000800)  /* R/WC */
#define	INT_STS_TDFO_			(0x00000400)  /* R/WC */
#define	INT_STS_TDFA_			(0x00000200)  /* R/WC */
#define	INT_STS_TSFF_			(0x00000100)  /* R/WC */
#define	INT_STS_TSFL_			(0x00000080)  /* R/WC */
//#define	INT_STS_RXDF_		(0x00000040)  /* R/WC */
#define	INT_STS_RDFO_			(0x00000040)  /* R/WC */
#define	INT_STS_RDFL_			(0x00000020)  /* R/WC */
#define	INT_STS_RSFF_			(0x00000010)  /* R/WC */
#define	INT_STS_RSFL_			(0x00000008)  /* R/WC */
#define	INT_STS_GPIO2_INT_		(0x00000004)  /* R/WC */
#define	INT_STS_GPIO1_INT_		(0x00000002)  /* R/WC */
#define	INT_STS_GPIO0_INT_		(0x00000001)  /* R/WC */

#define INT_EN			(0x5C)
#define	INT_EN_SW_INT_EN_		(0x80000000)  /* R/W */
#define	INT_EN_TXSTOP_INT_EN_		(0x02000000)  /* R/W */
#define	INT_EN_RXSTOP_INT_EN_		(0x01000000)  /* R/W */
#define	INT_EN_RXDFH_INT_EN_		(0x00800000)  /* R/W */
//#define	INT_EN_RXDF_INT_EN_		(0x00400000)  /* R/W */
#define	INT_EN_TIOC_INT_EN_		(0x00200000)  /* R/W */
#define	INT_EN_RXD_INT_EN_		(0x00100000)  /* R/W */
#define	INT_EN_GPT_INT_EN_		(0x00080000)  /* R/W */
#define	INT_EN_PHY_INT_EN_		(0x00040000)  /* R/W */
#define	INT_EN_PME_INT_EN_		(0x00020000)  /* R/W */
#define	INT_EN_TXSO_EN_			(0x00010000)  /* R/W */
#define	INT_EN_RWT_EN_			(0x00008000)  /* R/W */
#define	INT_EN_RXE_EN_			(0x00004000)  /* R/W */
#define	INT_EN_TXE_EN_			(0x00002000)  /* R/W */
//#define	INT_EN_ERX_EN_			(0x00001000)  /* R/W */
#define	INT_EN_TDFU_EN_			(0x00000800)  /* R/W */
#define	INT_EN_TDFO_EN_			(0x00000400)  /* R/W */
#define	INT_EN_TDFA_EN_			(0x00000200)  /* R/W */
#define	INT_EN_TSFF_EN_			(0x00000100)  /* R/W */
#define	INT_EN_TSFL_EN_			(0x00000080)  /* R/W */
//#define	INT_EN_RXDF_EN_			(0x00000040)  /* R/W */
#define	INT_EN_RDFO_EN_			(0x00000040)  /* R/W */
#define	INT_EN_RDFL_EN_			(0x00000020)  /* R/W */
#define	INT_EN_RSFF_EN_			(0x00000010)  /* R/W */
#define	INT_EN_RSFL_EN_			(0x00000008)  /* R/W */
#define	INT_EN_GPIO2_INT_		(0x00000004)  /* R/W */
#define	INT_EN_GPIO1_INT_		(0x00000002)  /* R/W */
#define	INT_EN_GPIO0_INT_		(0x00000001)  /* R/W */

#define BYTE_TEST		(0x64)
#define FIFO_INT		(0x68)
#define	FIFO_INT_TX_AVAIL_LEVEL_	(0xFF000000)  /* R/W */
#define	FIFO_INT_TX_STS_LEVEL_		(0x00FF0000)  /* R/W */
#define	FIFO_INT_RX_AVAIL_LEVEL_	(0x0000FF00)  /* R/W */
#define	FIFO_INT_RX_STS_LEVEL_		(0x000000FF)  /* R/W */

#define RX_CFG			(0x6C)
#define	RX_CFG_RX_END_ALGN_		(0xC0000000)  /* R/W */
#define		RX_CFG_RX_END_ALGN4_		(0x00000000)  /* R/W */
#define		RX_CFG_RX_END_ALGN16_		(0x40000000)  /* R/W */
#define		RX_CFG_RX_END_ALGN32_		(0x80000000)  /* R/W */
#define	RX_CFG_RX_DMA_CNT_		(0x0FFF0000)  /* R/W */
#define	RX_CFG_RX_DUMP_			(0x00008000)  /* R/W */
#define	RX_CFG_RXDOFF_			(0x00001F00)  /* R/W */
//#define	RX_CFG_RXBAD_			(0x00000001)  /* R/W */

#define TX_CFG			(0x70)
//#define	TX_CFG_TX_DMA_LVL_		(0xE0000000)	 /* R/W */
//#define	TX_CFG_TX_DMA_CNT_		(0x0FFF0000)	 /* R/W Self Clearing */
#define	TX_CFG_TXS_DUMP_		(0x00008000)  /* Self Clearing */
#define	TX_CFG_TXD_DUMP_		(0x00004000)  /* Self Clearing */
#define	TX_CFG_TXSAO_			(0x00000004)  /* R/W */
#define	TX_CFG_TX_ON_			(0x00000002)  /* R/W */
#define	TX_CFG_STOP_TX_			(0x00000001)  /* Self Clearing */

#define HW_CFG			(0x74)
#define	HW_CFG_TTM_			(0x00200000)  /* R/W */
#define	HW_CFG_SF_			(0x00100000)  /* R/W */
#define	HW_CFG_TX_FIF_SZ_		(0x000F0000)  /* R/W */
#define	HW_CFG_TR_			(0x00003000)  /* R/W */
#define	HW_CFG_PHY_CLK_SEL_		(0x00000060)  /* R/W */
#define		 HW_CFG_PHY_CLK_SEL_INT_PHY_ 	(0x00000000) /* R/W */
#define		 HW_CFG_PHY_CLK_SEL_EXT_PHY_ 	(0x00000020) /* R/W */
#define		 HW_CFG_PHY_CLK_SEL_CLK_DIS_ 	(0x00000040) /* R/W */
#define	HW_CFG_SMI_SEL_			(0x00000010)  /* R/W */
#define	HW_CFG_EXT_PHY_DET_		(0x00000008)  /* RO */
#define	HW_CFG_EXT_PHY_EN_		(0x00000004)  /* R/W */
#define	HW_CFG_32_16_BIT_MODE_		(0x00000004)  /* RO */
#define	HW_CFG_SRST_TO_			(0x00000002)  /* RO */
#define	HW_CFG_SRST_			(0x00000001)  /* Self Clearing */

#define RX_DP_CTRL		(0x78)
#define	RX_DP_CTRL_RX_FFWD_		(0x80000000)  /* R/W */
#define	RX_DP_CTRL_FFWD_BUSY_		(0x80000000)  /* RO */

#define RX_FIFO_INF		(0x7C)
#define	 RX_FIFO_INF_RXSUSED_		(0x00FF0000)  /* RO */
#define	 RX_FIFO_INF_RXDUSED_		(0x0000FFFF)  /* RO */

#define TX_FIFO_INF		(0x80)
#define	TX_FIFO_INF_TSUSED_		(0x00FF0000)  /* RO */
#define	TX_FIFO_INF_TDFREE_		(0x0000FFFF)  /* RO */

#define PMT_CTRL		(0x84)
#define	PMT_CTRL_PM_MODE_		(0x00003000)  /* Self Clearing */
#define	PMT_CTRL_PHY_RST_		(0x00000400)  /* Self Clearing */
#define	PMT_CTRL_WOL_EN_		(0x00000200)  /* R/W */
#define	PMT_CTRL_ED_EN_			(0x00000100)  /* R/W */
#define	PMT_CTRL_PME_TYPE_		(0x00000040)  /* R/W Not Affected by SW Reset */
#define	PMT_CTRL_WUPS_			(0x00000030)  /* R/WC */
#define		PMT_CTRL_WUPS_NOWAKE_		(0x00000000)  /* R/WC */
#define		PMT_CTRL_WUPS_ED_		(0x00000010)  /* R/WC */
#define		PMT_CTRL_WUPS_WOL_		(0x00000020)  /* R/WC */
#define		PMT_CTRL_WUPS_MULTI_		(0x00000030)  /* R/WC */
#define	PMT_CTRL_PME_IND_		(0x00000008)  /* R/W */
#define	PMT_CTRL_PME_POL_		(0x00000004)  /* R/W */
#define	PMT_CTRL_PME_EN_		(0x00000002)  /* R/W Not Affected by SW Reset */
#define	PMT_CTRL_READY_			(0x00000001)  /* RO */

#define GPIO_CFG		(0x88)
#define	GPIO_CFG_LED3_EN_		(0x40000000)  /* R/W */
#define	GPIO_CFG_LED2_EN_		(0x20000000)  /* R/W */
#define	GPIO_CFG_LED1_EN_		(0x10000000)  /* R/W */
#define	GPIO_CFG_GPIO2_INT_POL_		(0x04000000)  /* R/W */
#define	GPIO_CFG_GPIO1_INT_POL_		(0x02000000)  /* R/W */
#define	GPIO_CFG_GPIO0_INT_POL_		(0x01000000)  /* R/W */
#define	GPIO_CFG_EEPR_EN_		(0x00700000)  /* R/W */
#define	GPIO_CFG_GPIOBUF2_		(0x00040000)  /* R/W */
#define	GPIO_CFG_GPIOBUF1_		(0x00020000)  /* R/W */
#define	GPIO_CFG_GPIOBUF0_		(0x00010000)  /* R/W */
#define	GPIO_CFG_GPIODIR2_		(0x00000400)  /* R/W */
#define	GPIO_CFG_GPIODIR1_		(0x00000200)  /* R/W */
#define	GPIO_CFG_GPIODIR0_		(0x00000100)  /* R/W */
#define	GPIO_CFG_GPIOD4_		(0x00000010)  /* R/W */
#define	GPIO_CFG_GPIOD3_		(0x00000008)  /* R/W */
#define	GPIO_CFG_GPIOD2_		(0x00000004)  /* R/W */
#define	GPIO_CFG_GPIOD1_		(0x00000002)  /* R/W */
#define	GPIO_CFG_GPIOD0_		(0x00000001)  /* R/W */

#define GPT_CFG			(0x8C)
#define	GPT_CFG_TIMER_EN_		(0x20000000)  /* R/W */
#define	GPT_CFG_GPT_LOAD_		(0x0000FFFF)  /* R/W */

#define GPT_CNT			(0x90)
#define	GPT_CNT_GPT_CNT_		(0x0000FFFF)  /* RO */

#define ENDIAN			(0x98)
#define FREE_RUN		(0x9C)
#define RX_DROP			(0xA0)
#define MAC_CSR_CMD		(0xA4)
#define	 MAC_CSR_CMD_CSR_BUSY_		(0x80000000)  /* Self Clearing */
#define	 MAC_CSR_CMD_R_NOT_W_		(0x40000000)  /* R/W */
#define	 MAC_CSR_CMD_CSR_ADDR_		(0x000000FF)  /* R/W */

#define MAC_CSR_DATA		(0xA8)
#define AFC_CFG			(0xAC)
#define		AFC_CFG_AFC_HI_			(0x00FF0000)  /* R/W */
#define		AFC_CFG_AFC_LO_			(0x0000FF00)  /* R/W */
#define		AFC_CFG_BACK_DUR_		(0x000000F0)  /* R/W */
#define		AFC_CFG_FCMULT_			(0x00000008)  /* R/W */
#define		AFC_CFG_FCBRD_			(0x00000004)  /* R/W */
#define		AFC_CFG_FCADD_			(0x00000002)  /* R/W */
#define		AFC_CFG_FCANY_			(0x00000001)  /* R/W */

#define E2P_CMD			(0xB0)
#define	E2P_CMD_EPC_BUSY_		(0x80000000)  /* Self Clearing */
#define	E2P_CMD_EPC_CMD_			(0x70000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_READ_		(0x00000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_EWDS_		(0x10000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_EWEN_		(0x20000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_WRITE_		(0x30000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_WRAL_		(0x40000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_ERASE_		(0x50000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_ERAL_		(0x60000000)  /* R/W */
#define		E2P_CMD_EPC_CMD_RELOAD_		(0x70000000)  /* R/W */
#define	E2P_CMD_EPC_TIMEOUT_		(0x00000200)  /* RO */
#define	E2P_CMD_MAC_ADDR_LOADED_	(0x00000100)  /* RO */
#define	E2P_CMD_EPC_ADDR_		(0x000000FF)  /* R/W */

#define E2P_DATA		(0xB4)
#define	E2P_DATA_EEPROM_DATA_		(0x000000FF)  /* R/W */
/* end of LAN register offsets and bit definitions */

/*
 ****************************************************************************
 ****************************************************************************
 * MAC Control and Status Register (Indirect Address)
 * Offset (through the MAC_CSR CMD and DATA port)
 ****************************************************************************
 ****************************************************************************
 *
 */
#define MAC_CR			(0x01)  /* R/W */

/* MAC_CR - MAC Control Register */
#define MAC_CR_RXALL_			(0x80000000)
// TODO: delete this bit? It is not described in the data sheet.
#define MAC_CR_HBDIS_			(0x10000000)
#define MAC_CR_RCVOWN_			(0x00800000)
#define MAC_CR_LOOPBK_			(0x00200000)
#define MAC_CR_FDPX_			(0x00100000)
#define MAC_CR_MCPAS_			(0x00080000)
#define MAC_CR_PRMS_			(0x00040000)
#define MAC_CR_INVFILT_			(0x00020000)
#define MAC_CR_PASSBAD_			(0x00010000)
#define MAC_CR_HFILT_			(0x00008000)
#define MAC_CR_HPFILT_			(0x00002000)
#define MAC_CR_LCOLL_			(0x00001000)
#define MAC_CR_BCAST_			(0x00000800)
#define MAC_CR_DISRTY_			(0x00000400)
#define MAC_CR_PADSTR_			(0x00000100)
#define MAC_CR_BOLMT_MASK_		(0x000000C0)
#define MAC_CR_DFCHK_			(0x00000020)
#define MAC_CR_TXEN_			(0x00000008)
#define MAC_CR_RXEN_			(0x00000004)

#define ADDRH			(0x02)	  /* R/W mask 0x0000FFFFUL */
#define ADDRL			(0x03)	  /* R/W mask 0xFFFFFFFFUL */
#define HASHH			(0x04)	  /* R/W */
#define HASHL			(0x05)	  /* R/W */

#define MII_ACC			(0x06)	  /* R/W */
#define MII_ACC_PHY_ADDR_		(0x0000F800)
#define MII_ACC_MIIRINDA_		(0x000007C0)
#define MII_ACC_MII_WRITE_		(0x00000002)
#define MII_ACC_MII_BUSY_		(0x00000001)

#define MII_DATA		(0x07)	  /* R/W mask 0x0000FFFFUL */

#define FLOW			(0x08)	  /* R/W */
#define FLOW_FCPT_			(0xFFFF0000)
#define FLOW_FCPASS_			(0x00000004)
#define FLOW_FCEN_			(0x00000002)
#define FLOW_FCBSY_			(0x00000001)

#define VLAN1			(0x09)	  /* R/W mask 0x0000FFFFUL */
#define VLAN1_VTI1_			(0x0000ffff)

#define VLAN2			(0x0A)	  /* R/W mask 0x0000FFFFUL */
#define VLAN2_VTI2_			(0x0000ffff)

#define WUFF			(0x0B)	  /* WO */

#define WUCSR			(0x0C)	  /* R/W */
#define WUCSR_GUE_			(0x00000200)
#define WUCSR_WUFR_			(0x00000040)
#define WUCSR_MPR_			(0x00000020)
#define WUCSR_WAKE_EN_			(0x00000004)
#define WUCSR_MPEN_			(0x00000002)

/*
 ****************************************************************************
 * Chip Specific MII Defines
 ****************************************************************************
 *
 * Phy register offsets and bit definitions
 *
 */

#define PHY_MODE_CTRL_STS	((u32)17)	/* Mode Control/Status Register */
//#define MODE_CTRL_STS_FASTRIP_	  ((u16)0x4000)
#define MODE_CTRL_STS_EDPWRDOWN_	 ((u16)0x2000)
//#define MODE_CTRL_STS_LOWSQEN_	   ((u16)0x0800)
//#define MODE_CTRL_STS_MDPREBP_	   ((u16)0x0400)
//#define MODE_CTRL_STS_FARLOOPBACK_  ((u16)0x0200)
//#define MODE_CTRL_STS_FASTEST_	   ((u16)0x0100)
//#define MODE_CTRL_STS_REFCLKEN_	   ((u16)0x0010)
//#define MODE_CTRL_STS_PHYADBP_	   ((u16)0x0008)
//#define MODE_CTRL_STS_FORCE_G_LINK_ ((u16)0x0004)
#define MODE_CTRL_STS_ENERGYON_	 	((u16)0x0002)

#define PHY_INT_SRC			((u32)29)
#define PHY_INT_SRC_ENERGY_ON_			((u16)0x0080)
#define PHY_INT_SRC_ANEG_COMP_			((u16)0x0040)
#define PHY_INT_SRC_REMOTE_FAULT_		((u16)0x0020)
#define PHY_INT_SRC_LINK_DOWN_			((u16)0x0010)
#define PHY_INT_SRC_ANEG_LP_ACK_		((u16)0x0008)
#define PHY_INT_SRC_PAR_DET_FAULT_		((u16)0x0004)
#define PHY_INT_SRC_ANEG_PGRX_			((u16)0x0002)

#define PHY_INT_MASK			((u32)30)
#define PHY_INT_MASK_ENERGY_ON_			((u16)0x0080)
#define PHY_INT_MASK_ANEG_COMP_			((u16)0x0040)
#define PHY_INT_MASK_REMOTE_FAULT_		((u16)0x0020)
#define PHY_INT_MASK_LINK_DOWN_			((u16)0x0010)
#define PHY_INT_MASK_ANEG_LP_ACK_		((u16)0x0008)
#define PHY_INT_MASK_PAR_DET_FAULT_		((u16)0x0004)
#define PHY_INT_MASK_ANEG_PGRX_			((u16)0x0002)

#define PHY_SPECIAL			((u32)31)
#define PHY_SPECIAL_ANEG_DONE_			((u16)0x1000)
#define PHY_SPECIAL_RES_			((u16)0x0040)
#define PHY_SPECIAL_RES_MASK_			((u16)0x0FE1)
#define PHY_SPECIAL_SPD_			((u16)0x001C)
#define PHY_SPECIAL_SPD_10HALF_			((u16)0x0004)
#define PHY_SPECIAL_SPD_10FULL_			((u16)0x0014)
#define PHY_SPECIAL_SPD_100HALF_		((u16)0x0008)
#define PHY_SPECIAL_SPD_100FULL_		((u16)0x0018)

#define LAN911X_INTERNAL_PHY_ID		(0x0007C000)

/* Chip ID values */
#define CHIP_9115	0x115
#define CHIP_9116	0x116
#define CHIP_9117	0x117
#define CHIP_9118	0x118

struct chip_id {
	u16 id;
	char *name;
};
 
static const struct chip_id chip_ids[] =  {
	{ CHIP_9115, "LAN9115" },
	{ CHIP_9116, "LAN9116" },
	{ CHIP_9117, "LAN9117" },
	{ CHIP_9118, "LAN9118" },
	{ 0, NULL },
};

#define IS_REV_A(x)	((x & 0xFFFF)==0)

/*
 * Macros to abstract register access according to the data bus
 * capabilities.  Please use those and not the in/out primitives.
 */
/* FIFO read/write macros */
#define SMC_PUSH_DATA(p, l)	SMC_outsl( ioaddr, TX_DATA_FIFO, p, (l) >> 2 )
#define SMC_PULL_DATA(p, l)	SMC_insl ( ioaddr, RX_DATA_FIFO, p, (l) >> 2 )
#define SMC_SET_TX_FIFO(x) 	SMC_outl( x, ioaddr, TX_DATA_FIFO )
#define SMC_GET_RX_FIFO()	SMC_inl( ioaddr, RX_DATA_FIFO )


/* I/O mapped register read/write macros */
#define SMC_GET_TX_STS_FIFO()		SMC_inl( ioaddr, TX_STATUS_FIFO )
#define SMC_GET_RX_STS_FIFO()		SMC_inl( ioaddr, RX_STATUS_FIFO )
#define SMC_GET_RX_STS_FIFO_PEEK()	SMC_inl( ioaddr, RX_STATUS_FIFO_PEEK )
#define SMC_GET_PN()			(SMC_inl( ioaddr, ID_REV ) >> 16)
#define SMC_GET_REV()			(SMC_inl( ioaddr, ID_REV ) & 0xFFFF)
#define SMC_GET_IRQ_CFG()		SMC_inl( ioaddr, INT_CFG )
#define SMC_SET_IRQ_CFG(x)		SMC_outl( x, ioaddr, INT_CFG )
#define SMC_GET_INT()			SMC_inl( ioaddr, INT_STS )
#define SMC_ACK_INT(x)			SMC_outl( x, ioaddr, INT_STS )
#define SMC_GET_INT_EN()		SMC_inl( ioaddr, INT_EN )
#define SMC_SET_INT_EN(x)		SMC_outl( x, ioaddr, INT_EN )
#define SMC_GET_BYTE_TEST()		SMC_inl( ioaddr, BYTE_TEST )
#define SMC_SET_BYTE_TEST(x)		SMC_outl( x, ioaddr, BYTE_TEST )
#define SMC_GET_FIFO_INT()		SMC_inl( ioaddr, FIFO_INT )
#define SMC_SET_FIFO_INT(x)		SMC_outl( x, ioaddr, FIFO_INT )
#define SMC_SET_FIFO_TDA(x)					\
	do {							\
		unsigned long __flags;				\
		int __mask;					\
		local_irq_save(__flags);			\
		__mask = SMC_GET_FIFO_INT() & ~(0xFF<<24);	\
		SMC_SET_FIFO_INT( __mask | (x)<<24 );		\
		local_irq_restore(__flags);			\
	} while (0)
#define SMC_SET_FIFO_TSL(x)					\
	do {							\
		unsigned long __flags;				\
		int __mask;					\
		local_irq_save(__flags);			\
		__mask = SMC_GET_FIFO_INT() & ~(0xFF<<16);	\
		SMC_SET_FIFO_INT( __mask | (((x) & 0xFF)<<16));	\
		local_irq_restore(__flags);			\
	} while (0)
#define SMC_SET_FIFO_RSA(x)					\
	do {							\
		unsigned long __flags;				\
		int __mask;					\
		local_irq_save(__flags);			\
		__mask = SMC_GET_FIFO_INT() & ~(0xFF<<8);	\
		SMC_SET_FIFO_INT( __mask | (((x) & 0xFF)<<8));	\
		local_irq_restore(__flags);			\
	} while (0)
#define SMC_SET_FIFO_RSL(x)					\
	do {							\
		unsigned long __flags;				\
		int __mask;					\
		local_irq_save(__flags);			\
		__mask = SMC_GET_FIFO_INT() & ~0xFF;		\
		SMC_SET_FIFO_INT( __mask | ((x) & 0xFF));	\
		local_irq_restore(__flags);			\
	} while (0)
#define SMC_GET_RX_CFG()		SMC_inl( ioaddr, RX_CFG )
#define SMC_SET_RX_CFG(x)		SMC_outl( x, ioaddr, RX_CFG )
#define SMC_GET_TX_CFG()		SMC_inl( ioaddr, TX_CFG )
#define SMC_SET_TX_CFG(x)		SMC_outl( x, ioaddr, TX_CFG )
#define SMC_GET_HW_CFG()		SMC_inl( ioaddr, HW_CFG )
#define SMC_SET_HW_CFG(x)		SMC_outl( x, ioaddr, HW_CFG )
#define SMC_GET_RX_DP_CTRL()		SMC_inl( ioaddr, RX_DP_CTRL )
#define SMC_SET_RX_DP_CTRL(x)		SMC_outl( x, ioaddr, RX_DP_CTRL )
#define SMC_GET_PMT_CTRL()		SMC_inl( ioaddr, PMT_CTRL )
#define SMC_SET_PMT_CTRL(x)		SMC_outl( x, ioaddr, PMT_CTRL )
#define SMC_GET_GPIO_CFG()		SMC_inl( ioaddr, GPIO_CFG )
#define SMC_SET_GPIO_CFG(x)		SMC_outl( x, ioaddr, GPIO_CFG )
#define SMC_GET_RX_FIFO_INF()		SMC_inl( ioaddr, RX_FIFO_INF )
#define SMC_SET_RX_FIFO_INF(x)		SMC_outl( x, ioaddr, RX_FIFO_INF )
#define SMC_GET_TX_FIFO_INF()		SMC_inl( ioaddr, TX_FIFO_INF )
#define SMC_SET_TX_FIFO_INF(x)		SMC_outl( x, ioaddr, TX_FIFO_INF )
#define SMC_GET_GPT_CFG()		SMC_inl( ioaddr, GPT_CFG )
#define SMC_SET_GPT_CFG(x)		SMC_outl( x, ioaddr, GPT_CFG )
#define SMC_GET_RX_DROP()		SMC_inl( ioaddr, RX_DROP )
#define SMC_SET_RX_DROP(x)		SMC_outl( x, ioaddr, RX_DROP )
#define SMC_GET_MAC_CMD()		SMC_inl( ioaddr, MAC_CSR_CMD )
#define SMC_SET_MAC_CMD(x)		SMC_outl( x, ioaddr, MAC_CSR_CMD )
#define SMC_GET_MAC_DATA()		SMC_inl( ioaddr, MAC_CSR_DATA )
#define SMC_SET_MAC_DATA(x)		SMC_outl( x, ioaddr, MAC_CSR_DATA )
#define SMC_GET_AFC_CFG()		SMC_inl( ioaddr, AFC_CFG )
#define SMC_SET_AFC_CFG(x)		SMC_outl( x, ioaddr, AFC_CFG )
#define SMC_GET_E2P_CMD()		SMC_inl( ioaddr, E2P_CMD )
#define SMC_SET_E2P_CMD(x)		SMC_outl( x, ioaddr, E2P_CMD )
#define SMC_GET_E2P_DATA()		SMC_inl( ioaddr, E2P_DATA )
#define SMC_SET_E2P_DATA(x)		SMC_outl( x, ioaddr, E2P_DATA )

/* MAC register read/write macros */
#define SMC_GET_MAC_CSR(a,v)						\
	do {								\
		while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_);	\
		SMC_SET_MAC_CMD(MAC_CSR_CMD_CSR_BUSY_ |			\
			MAC_CSR_CMD_R_NOT_W_ | (a) );			\
		while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_);	\
		v = SMC_GET_MAC_DATA();					\
	} while (0)
#define SMC_SET_MAC_CSR(a,v)						\
	do {								\
		while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_);	\
		SMC_SET_MAC_DATA(v);					\
		SMC_SET_MAC_CMD(MAC_CSR_CMD_CSR_BUSY_ | (a) );		\
		while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_);	\
	} while (0)
#define SMC_GET_MAC_CR(x)	SMC_GET_MAC_CSR( MAC_CR, x )
#define SMC_SET_MAC_CR(x)	SMC_SET_MAC_CSR( MAC_CR, x )
#define SMC_GET_ADDRH(x)	SMC_GET_MAC_CSR( ADDRH, x )
#define SMC_SET_ADDRH(x)	SMC_SET_MAC_CSR( ADDRH, x )
#define SMC_GET_ADDRL(x)	SMC_GET_MAC_CSR( ADDRL, x )
#define SMC_SET_ADDRL(x)	SMC_SET_MAC_CSR( ADDRL, x )
#define SMC_GET_HASHH(x)	SMC_GET_MAC_CSR( HASHH, x )
#define SMC_SET_HASHH(x)	SMC_SET_MAC_CSR( HASHH, x )
#define SMC_GET_HASHL(x)	SMC_GET_MAC_CSR( HASHL, x )
#define SMC_SET_HASHL(x)	SMC_SET_MAC_CSR( HASHL, x )
#define SMC_GET_MII_ACC(x)	SMC_GET_MAC_CSR( MII_ACC, x )
#define SMC_SET_MII_ACC(x)	SMC_SET_MAC_CSR( MII_ACC, x )
#define SMC_GET_MII_DATA(x)	SMC_GET_MAC_CSR( MII_DATA, x )
#define SMC_SET_MII_DATA(x)	SMC_SET_MAC_CSR( MII_DATA, x )
#define SMC_GET_FLOW(x)		SMC_GET_MAC_CSR( FLOW, x )
#define SMC_SET_FLOW(x)		SMC_SET_MAC_CSR( FLOW, x )
#define SMC_GET_VLAN1(x)	SMC_GET_MAC_CSR( VLAN1, x )
#define SMC_SET_VLAN1(x)	SMC_SET_MAC_CSR( VLAN1, x )
#define SMC_GET_VLAN2(x)	SMC_GET_MAC_CSR( VLAN2, x )
#define SMC_SET_VLAN2(x)	SMC_SET_MAC_CSR( VLAN2, x )
#define SMC_SET_WUFF(x)		SMC_SET_MAC_CSR( WUFF, x )
#define SMC_GET_WUCSR(x)	SMC_GET_MAC_CSR( WUCSR, x )
#define SMC_SET_WUCSR(x)	SMC_SET_MAC_CSR( WUCSR, x )

/* PHY register read/write macros */
#define SMC_GET_MII(a,phy,v)					\
	do {							\
		u32 __v;					\
		do {						\
			SMC_GET_MII_ACC(__v);			\
		} while ( __v & MII_ACC_MII_BUSY_ );		\
		SMC_SET_MII_ACC( ((phy)<<11) | ((a)<<6) |	\
			MII_ACC_MII_BUSY_);			\
		do {						\
			SMC_GET_MII_ACC(__v);			\
		} while ( __v & MII_ACC_MII_BUSY_ );		\
		SMC_GET_MII_DATA(v);				\
	} while (0)
#define SMC_SET_MII(a,phy,v)					\
	do {							\
		u32 __v;					\
		do {						\
			SMC_GET_MII_ACC(__v);			\
		} while ( __v & MII_ACC_MII_BUSY_ );		\
		SMC_SET_MII_DATA(v);				\
		SMC_SET_MII_ACC( ((phy)<<11) | ((a)<<6) |	\
			MII_ACC_MII_BUSY_	 |		\
			MII_ACC_MII_WRITE_  );			\
		do {						\
			SMC_GET_MII_ACC(__v);			\
		} while ( __v & MII_ACC_MII_BUSY_ );		\
	} while (0)
#define SMC_GET_PHY_BMCR(phy,x)		SMC_GET_MII( MII_BMCR, phy, x )
#define SMC_SET_PHY_BMCR(phy,x)		SMC_SET_MII( MII_BMCR, phy, x )
#define SMC_GET_PHY_BMSR(phy,x)		SMC_GET_MII( MII_BMSR, phy, x )
#define SMC_GET_PHY_ID1(phy,x)		SMC_GET_MII( MII_PHYSID1, phy, x )
#define SMC_GET_PHY_ID2(phy,x)		SMC_GET_MII( MII_PHYSID2, phy, x )
#define SMC_GET_PHY_MII_ADV(phy,x)	SMC_GET_MII( MII_ADVERTISE, phy, x )
#define SMC_SET_PHY_MII_ADV(phy,x)	SMC_SET_MII( MII_ADVERTISE, phy, x )
#define SMC_GET_PHY_MII_LPA(phy,x)	SMC_GET_MII( MII_LPA, phy, x )
#define SMC_SET_PHY_MII_LPA(phy,x)	SMC_SET_MII( MII_LPA, phy, x )
#define SMC_GET_PHY_CTRL_STS(phy,x)	SMC_GET_MII( PHY_MODE_CTRL_STS, phy, x )
#define SMC_SET_PHY_CTRL_STS(phy,x)	SMC_SET_MII( PHY_MODE_CTRL_STS, phy, x )
#define SMC_GET_PHY_INT_SRC(phy,x)	SMC_GET_MII( PHY_INT_SRC, phy, x )
#define SMC_SET_PHY_INT_SRC(phy,x)	SMC_SET_MII( PHY_INT_SRC, phy, x )
#define SMC_GET_PHY_INT_MASK(phy,x)	SMC_GET_MII( PHY_INT_MASK, phy, x )
#define SMC_SET_PHY_INT_MASK(phy,x)	SMC_SET_MII( PHY_INT_MASK, phy, x )
#define SMC_GET_PHY_SPECIAL(phy,x)	SMC_GET_MII( PHY_SPECIAL, phy, x )



/* Misc read/write macros */

#ifndef SMC_GET_MAC_ADDR
#define SMC_GET_MAC_ADDR(addr)					\
	do {							\
		unsigned int __v;				\
								\
		SMC_GET_MAC_CSR(ADDRL, __v);			\
		addr[0] = __v; addr[1] = __v >> 8;		\
		addr[2] = __v >> 16; addr[3] = __v >> 24;	\
		SMC_GET_MAC_CSR(ADDRH, __v);			\
		addr[4] = __v; addr[5] = __v >> 8;		\
	} while (0)
#endif

#define SMC_SET_MAC_ADDR(addr)					\
	do {							\
		 SMC_SET_MAC_CSR(ADDRL,				\
				 addr[0] |			\
				(addr[1] << 8) |		\
				(addr[2] << 16) |		\
				(addr[3] << 24));		\
		 SMC_SET_MAC_CSR(ADDRH, addr[4]|(addr[5] << 8));\
	} while (0)


#define SMC_WRITE_EEPROM_CMD(cmd, addr)					\
	do {								\
		while (SMC_GET_E2P_CMD() & MAC_CSR_CMD_CSR_BUSY_);	\
		SMC_SET_MAC_CMD(MAC_CSR_CMD_R_NOT_W_ | a );		\
		while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_);	\
	} while (0)

#endif	 /* _SMC911X_H_ */