xref: /linux/drivers/net/usb/sr9700.h (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * CoreChip-sz SR9700 one chip USB 1.1 Ethernet Devices
4  *
5  * Author : Liu Junliang <liujunliang_ljl@163.com>
6  */
7 
8 #ifndef _SR9700_H
9 #define	_SR9700_H
10 
11 /* sr9700 spec. register table on Linux platform */
12 
13 /* Network Control Reg */
14 #define	SR_NCR			0x00
15 #define		NCR_RST			(1 << 0)
16 #define		NCR_LBK			(3 << 1)
17 #define		NCR_FDX			(1 << 3)
18 #define		NCR_WAKEEN		(1 << 6)
19 /* Network Status Reg */
20 #define	SR_NSR			0x01
21 #define		NSR_RXRDY		(1 << 0)
22 #define		NSR_RXOV		(1 << 1)
23 #define		NSR_TX1END		(1 << 2)
24 #define		NSR_TX2END		(1 << 3)
25 #define		NSR_TXFULL		(1 << 4)
26 #define		NSR_WAKEST		(1 << 5)
27 #define		NSR_LINKST		(1 << 6)
28 #define		NSR_SPEED		(1 << 7)
29 /* Tx Control Reg */
30 #define	SR_TCR			0x02
31 #define		TCR_CRC_DIS		(1 << 1)
32 #define		TCR_PAD_DIS		(1 << 2)
33 #define		TCR_LC_CARE		(1 << 3)
34 #define		TCR_CRS_CARE	(1 << 4)
35 #define		TCR_EXCECM		(1 << 5)
36 #define		TCR_LF_EN		(1 << 6)
37 /* Tx Status Reg for Packet Index 1 */
38 #define	SR_TSR1		0x03
39 #define		TSR1_EC			(1 << 2)
40 #define		TSR1_COL		(1 << 3)
41 #define		TSR1_LC			(1 << 4)
42 #define		TSR1_NC			(1 << 5)
43 #define		TSR1_LOC		(1 << 6)
44 #define		TSR1_TLF		(1 << 7)
45 /* Tx Status Reg for Packet Index 2 */
46 #define	SR_TSR2		0x04
47 #define		TSR2_EC			(1 << 2)
48 #define		TSR2_COL		(1 << 3)
49 #define		TSR2_LC			(1 << 4)
50 #define		TSR2_NC			(1 << 5)
51 #define		TSR2_LOC		(1 << 6)
52 #define		TSR2_TLF		(1 << 7)
53 /* Rx Control Reg*/
54 #define	SR_RCR			0x05
55 #define		RCR_RXEN		(1 << 0)
56 #define		RCR_PRMSC		(1 << 1)
57 #define		RCR_RUNT		(1 << 2)
58 #define		RCR_ALL			(1 << 3)
59 #define		RCR_DIS_CRC		(1 << 4)
60 #define		RCR_DIS_LONG	(1 << 5)
61 /* Rx Status Reg */
62 #define	SR_RSR			0x06
63 #define		RSR_AE			(1 << 2)
64 #define		RSR_MF			(1 << 6)
65 #define		RSR_RF			(1 << 7)
66 /* Rx Overflow Counter Reg */
67 #define	SR_ROCR		0x07
68 #define		ROCR_ROC		(0x7F << 0)
69 #define		ROCR_RXFU		(1 << 7)
70 /* Back Pressure Threshold Reg */
71 #define	SR_BPTR		0x08
72 #define		BPTR_JPT		(0x0F << 0)
73 #define		BPTR_BPHW		(0x0F << 4)
74 /* Flow Control Threshold Reg */
75 #define	SR_FCTR		0x09
76 #define		FCTR_LWOT		(0x0F << 0)
77 #define		FCTR_HWOT		(0x0F << 4)
78 /* rx/tx Flow Control Reg */
79 #define	SR_FCR			0x0A
80 #define		FCR_FLCE		(1 << 0)
81 #define		FCR_BKPA		(1 << 4)
82 #define		FCR_TXPEN		(1 << 5)
83 #define		FCR_TXPF		(1 << 6)
84 #define		FCR_TXP0		(1 << 7)
85 /* Eeprom & Phy Control Reg */
86 #define	SR_EPCR		0x0B
87 #define		EPCR_ERRE		(1 << 0)
88 #define		EPCR_ERPRW		(1 << 1)
89 #define		EPCR_ERPRR		(1 << 2)
90 #define		EPCR_EPOS		(1 << 3)
91 #define		EPCR_WEP		(1 << 4)
92 /* Eeprom & Phy Address Reg */
93 #define	SR_EPAR		0x0C
94 #define		EPAR_EROA		(0x3F << 0)
95 #define		EPAR_PHY_ADR_MASK	(0x03 << 6)
96 #define		EPAR_PHY_ADR		(0x01 << 6)
97 /* Eeprom &	Phy Data Reg */
98 #define	SR_EPDR		0x0D	/* 0x0D ~ 0x0E for Data Reg Low & High */
99 /* Wakeup Control Reg */
100 #define	SR_WCR			0x0F
101 #define		WCR_MAGICST		(1 << 0)
102 #define		WCR_LINKST		(1 << 2)
103 #define		WCR_MAGICEN		(1 << 3)
104 #define		WCR_LINKEN		(1 << 5)
105 /* Physical Address Reg */
106 #define	SR_PAR			0x10	/* 0x10 ~ 0x15 6 bytes for PAR */
107 /* Multicast Address Reg */
108 #define	SR_MAR			0x16	/* 0x16 ~ 0x1D 8 bytes for MAR */
109 /* 0x1e unused */
110 /* Phy Reset Reg */
111 #define	SR_PRR			0x1F
112 #define		PRR_PHY_RST		(1 << 0)
113 /* Tx sdram Write Pointer Address Low */
114 #define	SR_TWPAL		0x20
115 /* Tx sdram Write Pointer Address High */
116 #define	SR_TWPAH		0x21
117 /* Tx sdram Read Pointer Address Low */
118 #define	SR_TRPAL		0x22
119 /* Tx sdram Read Pointer Address High */
120 #define	SR_TRPAH		0x23
121 /* Rx sdram Write Pointer Address Low */
122 #define	SR_RWPAL		0x24
123 /* Rx sdram Write Pointer Address High */
124 #define	SR_RWPAH		0x25
125 /* Rx sdram Read Pointer Address Low */
126 #define	SR_RRPAL		0x26
127 /* Rx sdram Read Pointer Address High */
128 #define	SR_RRPAH		0x27
129 /* Vendor ID register */
130 #define	SR_VID			0x28	/* 0x28 ~ 0x29 2 bytes for VID */
131 /* Product ID register */
132 #define	SR_PID			0x2A	/* 0x2A ~ 0x2B 2 bytes for PID */
133 /* CHIP Revision register */
134 #define	SR_CHIPR		0x2C
135 /* 0x2D --> 0xEF unused */
136 /* USB Device Address */
137 #define	SR_USBDA		0xF0
138 #define		USBDA_USBFA		(0x7F << 0)
139 /* RX packet Counter Reg */
140 #define	SR_RXC			0xF1
141 /* Tx packet Counter & USB Status Reg */
142 #define	SR_TXC_USBS		0xF2
143 #define		TXC_USBS_TXC0		(1 << 0)
144 #define		TXC_USBS_TXC1		(1 << 1)
145 #define		TXC_USBS_TXC2		(1 << 2)
146 #define		TXC_USBS_EP1RDY		(1 << 5)
147 #define		TXC_USBS_SUSFLAG	(1 << 6)
148 #define		TXC_USBS_RXFAULT	(1 << 7)
149 /* USB Control register */
150 #define	SR_USBC			0xF4
151 #define		USBC_EP3NAK		(1 << 4)
152 #define		USBC_EP3ACK		(1 << 5)
153 
154 /* Register access commands and flags */
155 #define	SR_RD_REGS		0x00
156 #define	SR_WR_REGS		0x01
157 #define	SR_WR_REG		0x03
158 #define	SR_REQ_RD_REG	(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
159 #define	SR_REQ_WR_REG	(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
160 
161 /* parameters */
162 #define	SR_SHARE_TIMEOUT	1000
163 #define	SR_EEPROM_LEN		256
164 #define	SR_MCAST_SIZE		8
165 #define	SR_MCAST_ADDR_FLAG	0x80
166 #define	SR_MCAST_MAX		64
167 #define	SR_TX_OVERHEAD		2	/* 2bytes header */
168 #define	SR_RX_OVERHEAD		7	/* 3bytes header + 4crc tail */
169 
170 #endif	/* _SR9700_H */
171