[deliverable/linux.git] / drivers / net / greth.h

#ifndef GRETH_H
#define GRETH_H

#include <linux/phy.h>

/* Register bits and masks */
#define GRETH_RESET 0x40
#define GRETH_MII_BUSY 0x8
#define GRETH_MII_NVALID 0x10

#define GRETH_CTRL_FD         0x10
#define GRETH_CTRL_PR         0x20
#define GRETH_CTRL_SP         0x80
#define GRETH_CTRL_GB         0x100
#define GRETH_CTRL_PSTATIEN   0x400
#define GRETH_CTRL_MCEN       0x800
#define GRETH_CTRL_DISDUPLEX  0x1000
#define GRETH_STATUS_PHYSTAT  0x100

#define GRETH_BD_EN 0x800
#define GRETH_BD_WR 0x1000
#define GRETH_BD_IE 0x2000
#define GRETH_BD_LEN 0x7FF

#define GRETH_TXEN 0x1
#define GRETH_INT_TE 0x2
#define GRETH_INT_TX 0x8
#define GRETH_TXI 0x4
#define GRETH_TXBD_STATUS 0x0001C000
#define GRETH_TXBD_MORE 0x20000
#define GRETH_TXBD_IPCS 0x40000
#define GRETH_TXBD_TCPCS 0x80000
#define GRETH_TXBD_UDPCS 0x100000
#define GRETH_TXBD_CSALL (GRETH_TXBD_IPCS | GRETH_TXBD_TCPCS | GRETH_TXBD_UDPCS)
#define GRETH_TXBD_ERR_LC 0x10000
#define GRETH_TXBD_ERR_UE 0x4000
#define GRETH_TXBD_ERR_AL 0x8000

#define GRETH_INT_RE         0x1
#define GRETH_INT_RX         0x4
#define GRETH_RXEN           0x2
#define GRETH_RXI            0x8
#define GRETH_RXBD_STATUS    0xFFFFC000
#define GRETH_RXBD_ERR_AE    0x4000
#define GRETH_RXBD_ERR_FT    0x8000
#define GRETH_RXBD_ERR_CRC   0x10000
#define GRETH_RXBD_ERR_OE    0x20000
#define GRETH_RXBD_ERR_LE    0x40000
#define GRETH_RXBD_IP        0x80000
#define GRETH_RXBD_IP_CSERR  0x100000
#define GRETH_RXBD_UDP       0x200000
#define GRETH_RXBD_UDP_CSERR 0x400000
#define GRETH_RXBD_TCP       0x800000
#define GRETH_RXBD_TCP_CSERR 0x1000000
#define GRETH_RXBD_IP_FRAG   0x2000000
#define GRETH_RXBD_MCAST     0x4000000

/* Descriptor parameters */
#define GRETH_TXBD_NUM 128
#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
#define GRETH_TX_BUF_SIZE 2048
#define GRETH_RXBD_NUM 128
#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
#define GRETH_RX_BUF_SIZE 2048

/* Buffers per page */
#define GRETH_RX_BUF_PPGAE	(PAGE_SIZE/GRETH_RX_BUF_SIZE)
#define GRETH_TX_BUF_PPGAE	(PAGE_SIZE/GRETH_TX_BUF_SIZE)

/* How many pages are needed for buffers */
#define GRETH_RX_BUF_PAGE_NUM	(GRETH_RXBD_NUM/GRETH_RX_BUF_PPGAE)
#define GRETH_TX_BUF_PAGE_NUM	(GRETH_TXBD_NUM/GRETH_TX_BUF_PPGAE)

/* Buffer size.
 * Gbit MAC uses tagged maximum frame size which is 1518 excluding CRC.
 * Set to 1520 to make all buffers word aligned for non-gbit MAC.
 */
#define MAX_FRAME_SIZE		1520

/* Flags */
#define GRETH_FLAG_RX_CSUM 0x1

/* GRETH APB registers */
struct greth_regs {
	u32 control;
	u32 status;
	u32 esa_msb;
	u32 esa_lsb;
	u32 mdio;
	u32 tx_desc_p;
	u32 rx_desc_p;
	u32 edclip;
	u32 hash_msb;
	u32 hash_lsb;
};

/* GRETH buffer descriptor */
struct greth_bd {
	u32 stat;
	u32 addr;
};

struct greth_private {
	struct sk_buff *rx_skbuff[GRETH_RXBD_NUM];
	struct sk_buff *tx_skbuff[GRETH_TXBD_NUM];

	unsigned char *tx_bufs[GRETH_TXBD_NUM];
	unsigned char *rx_bufs[GRETH_RXBD_NUM];

	u16 tx_next;
	u16 tx_last;
	u16 tx_free;
	u16 rx_cur;

	struct greth_regs *regs;	/* Address of controller registers. */
	struct greth_bd *rx_bd_base;	/* Address of Rx BDs. */
	struct greth_bd *tx_bd_base;	/* Address of Tx BDs. */
	dma_addr_t rx_bd_base_phys;
	dma_addr_t tx_bd_base_phys;

	int irq;

	struct device *dev;	        /* Pointer to platform_device->dev */
	struct net_device *netdev;
	struct napi_struct napi;
	spinlock_t devlock;

	struct phy_device *phy;
	struct mii_bus *mdio;
	int mdio_irqs[PHY_MAX_ADDR];
	unsigned int link;
	unsigned int speed;
	unsigned int duplex;

	u32 msg_enable;
	u32 flags;

	u8 phyaddr;
	u8 multicast;
	u8 gbit_mac;
	u8 mdio_int_en;
	u8 edcl;
};

#endif
Commit	Line	Data
d4c41139 KG	1	#ifndef GRETH_H
	2	#define GRETH_H
	3
	4	#include <linux/phy.h>
	5
	6	/* Register bits and masks */
	7	#define GRETH_RESET 0x40
	8	#define GRETH_MII_BUSY 0x8
	9	#define GRETH_MII_NVALID 0x10
	10
	11	#define GRETH_CTRL_FD 0x10
	12	#define GRETH_CTRL_PR 0x20
	13	#define GRETH_CTRL_SP 0x80
	14	#define GRETH_CTRL_GB 0x100
	15	#define GRETH_CTRL_PSTATIEN 0x400
	16	#define GRETH_CTRL_MCEN 0x800
	17	#define GRETH_CTRL_DISDUPLEX 0x1000
	18	#define GRETH_STATUS_PHYSTAT 0x100
	19
	20	#define GRETH_BD_EN 0x800
	21	#define GRETH_BD_WR 0x1000
	22	#define GRETH_BD_IE 0x2000
	23	#define GRETH_BD_LEN 0x7FF
	24
	25	#define GRETH_TXEN 0x1
1ca23434	26	#define GRETH_INT_TE 0x2
d4c41139 KG	27	#define GRETH_INT_TX 0x8
	28	#define GRETH_TXI 0x4
	29	#define GRETH_TXBD_STATUS 0x0001C000
	30	#define GRETH_TXBD_MORE 0x20000
	31	#define GRETH_TXBD_IPCS 0x40000
	32	#define GRETH_TXBD_TCPCS 0x80000
	33	#define GRETH_TXBD_UDPCS 0x100000
	34	#define GRETH_TXBD_CSALL (GRETH_TXBD_IPCS \| GRETH_TXBD_TCPCS \| GRETH_TXBD_UDPCS)
	35	#define GRETH_TXBD_ERR_LC 0x10000
	36	#define GRETH_TXBD_ERR_UE 0x4000
	37	#define GRETH_TXBD_ERR_AL 0x8000
	38
1ca23434	39	#define GRETH_INT_RE 0x1
d4c41139 KG	40	#define GRETH_INT_RX 0x4
	41	#define GRETH_RXEN 0x2
	42	#define GRETH_RXI 0x8
	43	#define GRETH_RXBD_STATUS 0xFFFFC000
	44	#define GRETH_RXBD_ERR_AE 0x4000
	45	#define GRETH_RXBD_ERR_FT 0x8000
	46	#define GRETH_RXBD_ERR_CRC 0x10000
	47	#define GRETH_RXBD_ERR_OE 0x20000
	48	#define GRETH_RXBD_ERR_LE 0x40000
	49	#define GRETH_RXBD_IP 0x80000
	50	#define GRETH_RXBD_IP_CSERR 0x100000
	51	#define GRETH_RXBD_UDP 0x200000
	52	#define GRETH_RXBD_UDP_CSERR 0x400000
	53	#define GRETH_RXBD_TCP 0x800000
	54	#define GRETH_RXBD_TCP_CSERR 0x1000000
	55	#define GRETH_RXBD_IP_FRAG 0x2000000
	56	#define GRETH_RXBD_MCAST 0x4000000
	57
	58	/* Descriptor parameters */
	59	#define GRETH_TXBD_NUM 128
	60	#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
	61	#define GRETH_TX_BUF_SIZE 2048
	62	#define GRETH_RXBD_NUM 128
	63	#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
	64	#define GRETH_RX_BUF_SIZE 2048
	65
	66	/* Buffers per page */
	67	#define GRETH_RX_BUF_PPGAE (PAGE_SIZE/GRETH_RX_BUF_SIZE)
	68	#define GRETH_TX_BUF_PPGAE (PAGE_SIZE/GRETH_TX_BUF_SIZE)
	69
	70	/* How many pages are needed for buffers */
	71	#define GRETH_RX_BUF_PAGE_NUM (GRETH_RXBD_NUM/GRETH_RX_BUF_PPGAE)
	72	#define GRETH_TX_BUF_PAGE_NUM (GRETH_TXBD_NUM/GRETH_TX_BUF_PPGAE)
	73
	74	/* Buffer size.
	75	* Gbit MAC uses tagged maximum frame size which is 1518 excluding CRC.
	76	* Set to 1520 to make all buffers word aligned for non-gbit MAC.
	77	*/
	78	#define MAX_FRAME_SIZE 1520
	79
	80	/* Flags */
	81	#define GRETH_FLAG_RX_CSUM 0x1
	82
	83	/* GRETH APB registers */
	84	struct greth_regs {
	85	u32 control;
	86	u32 status;
	87	u32 esa_msb;
	88	u32 esa_lsb;
	89	u32 mdio;
	90	u32 tx_desc_p;
	91	u32 rx_desc_p;
	92	u32 edclip;
	93	u32 hash_msb;
	94	u32 hash_lsb;
	95	};
	96
	97	/* GRETH buffer descriptor */
	98	struct greth_bd {
	99	u32 stat;
	100	u32 addr;
	101	};
	102
	103	struct greth_private {
104	struct sk_buff *rx_skbuff[GRETH_RXBD_NUM];
105	struct sk_buff *tx_skbuff[GRETH_TXBD_NUM];
106
107	unsigned char *tx_bufs[GRETH_TXBD_NUM];
108	unsigned char *rx_bufs[GRETH_RXBD_NUM];
109
110	u16 tx_next;
111	u16 tx_last;
112	u16 tx_free;
113	u16 rx_cur;
114
115	struct greth_regs regs; / Address of controller registers. */
116	struct greth_bd rx_bd_base; / Address of Rx BDs. */
117	struct greth_bd tx_bd_base; / Address of Tx BDs. */
118	dma_addr_t rx_bd_base_phys;
119	dma_addr_t tx_bd_base_phys;
120
121	int irq;
122
2dc11581	123	struct device dev; / Pointer to platform_device->dev */
d4c41139 KG	124	struct net_device *netdev;
	125	struct napi_struct napi;
	126	spinlock_t devlock;
	127
	128	struct phy_device *phy;
	129	struct mii_bus *mdio;
	130	int mdio_irqs[PHY_MAX_ADDR];
	131	unsigned int link;
	132	unsigned int speed;
	133	unsigned int duplex;
	134
	135	u32 msg_enable;
	136	u32 flags;
	137
	138	u8 phyaddr;
	139	u8 multicast;
	140	u8 gbit_mac;
	141	u8 mdio_int_en;
	142	u8 edcl;
	143	};
	144
	145	#endif