xref: /freebsd/sys/powerpc/ps3/if_glcreg.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (C) 2010 Nathan Whitehorn
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _POWERPC_PS3_IF_GLCREG_H
31 #define _POWERPC_PS3_IF_GLCREG_H
32 
33 #define GLC_MAX_TX_PACKETS	128
34 #define GLC_MAX_RX_PACKETS	128
35 
36 struct glc_dmadesc;
37 
38 /*
39  * software state for transmit job mbufs (may be elements of mbuf chains)
40  */
41 
42 struct glc_txsoft {
43 	struct mbuf *txs_mbuf;		/* head of our mbuf chain */
44 	bus_dmamap_t txs_dmamap;	/* our DMA map */
45 	int txs_firstdesc;		/* first descriptor in packet */
46 	int txs_lastdesc;		/* last descriptor in packet */
47 
48 	int txs_ndescs;			/* number of descriptors */
49 	STAILQ_ENTRY(glc_txsoft) txs_q;
50 };
51 
52 STAILQ_HEAD(glc_txsq, glc_txsoft);
53 
54 /*
55  * software state for receive jobs
56  */
57 struct glc_rxsoft {
58 	struct mbuf *rxs_mbuf;		/* head of our mbuf chain */
59 	bus_dmamap_t rxs_dmamap;	/* our DMA map */
60 
61 	int rxs_desc_slot;		/* DMA descriptor for this packet */
62 	bus_addr_t rxs_desc;
63 
64 	bus_dma_segment_t segment;
65 };
66 
67 struct glc_softc {
68 	struct ifnet	*sc_ifp;
69 	device_t	sc_self;
70 	struct mtx	sc_mtx;
71 	u_char		sc_enaddr[ETHER_ADDR_LEN];
72 	int		sc_tx_vlan, sc_rx_vlan;
73 	int		sc_ifpflags;
74 
75 	uint64_t	sc_dma_base[5];
76 	bus_dma_tag_t	sc_dmadesc_tag;
77 
78 	int		sc_irqid;
79 	struct resource	*sc_irq;
80 	void		*sc_irqctx;
81 	uint64_t	*sc_hwirq_status;
82 	volatile uint64_t sc_interrupt_status;
83 
84 	struct ifmedia	sc_media;
85 
86 	/* Transmission */
87 
88 	bus_dma_tag_t	sc_txdma_tag;
89 	struct glc_txsoft sc_txsoft[GLC_MAX_TX_PACKETS];
90 	struct glc_dmadesc *sc_txdmadesc;
91 	int		next_txdma_slot, first_used_txdma_slot, bsy_txdma_slots;
92 	bus_dmamap_t	sc_txdmadesc_map;
93 	bus_addr_t	sc_txdmadesc_phys;
94 
95 	struct glc_txsq	sc_txfreeq;
96 	struct glc_txsq	sc_txdirtyq;
97 
98 	/* Reception */
99 
100 	bus_dma_tag_t	sc_rxdma_tag;
101 	struct glc_rxsoft sc_rxsoft[GLC_MAX_RX_PACKETS];
102 	struct glc_dmadesc *sc_rxdmadesc;
103 	int		sc_next_rxdma_slot;
104 	bus_dmamap_t	sc_rxdmadesc_map;
105 	bus_addr_t	sc_rxdmadesc_phys;
106 
107 	int		sc_bus, sc_dev;
108 	int		sc_wdog_timer;
109 	struct callout	sc_tick_ch;
110 };
111 
112 #define GELIC_GET_MAC_ADDRESS   0x0001
113 #define GELIC_GET_LINK_STATUS   0x0002
114 #define GELIC_SET_LINK_MODE     0x0003
115 #define  GELIC_LINK_UP          0x0001
116 #define  GELIC_FULL_DUPLEX      0x0002
117 #define  GELIC_AUTO_NEG         0x0004
118 #define  GELIC_SPEED_10         0x0010
119 #define  GELIC_SPEED_100        0x0020
120 #define  GELIC_SPEED_1000       0x0040
121 #define GELIC_GET_VLAN_ID       0x0004
122 #define  GELIC_VLAN_TX_ETHERNET	0x0002
123 #define  GELIC_VLAN_RX_ETHERNET	0x0012
124 #define  GELIC_VLAN_TX_WIRELESS	0x0003
125 #define  GELIC_VLAN_RX_WIRELESS	0x0013
126 
127 /* Command status code */
128 #define	GELIC_DESCR_OWNED	0xa0000000
129 #define	GELIC_CMDSTAT_DMA_DONE	0x00000000
130 #define	GELIC_CMDSTAT_CHAIN_END	0x00000002
131 #define GELIC_CMDSTAT_CSUM_TCP	0x00020000
132 #define GELIC_CMDSTAT_CSUM_UDP	0x00030000
133 #define GELIC_CMDSTAT_NOIPSEC	0x00080000
134 #define GELIC_CMDSTAT_LAST	0x00040000
135 #define GELIC_RXERRORS		0x7def8000
136 
137 /* RX Data Status codes */
138 #define GELIC_RX_IPCSUM		0x20000000
139 #define GELIC_RX_TCPUDPCSUM	0x10000000
140 
141 /* Interrupt options */
142 #define GELIC_INT_RXDONE	0x0000000000004000UL
143 #define GELIC_INT_RXFRAME	0x1000000000000000UL
144 #define GELIC_INT_TXDONE	0x0080000000000000UL
145 #define GELIC_INT_TX_CHAIN_END	0x0100000000000000UL
146 #define GELIC_INT_PHY		0x0000000020000000UL
147 
148 /* Hardware DMA descriptor. Must be 32-byte aligned */
149 
150 struct glc_dmadesc {
151 	uint32_t paddr;	/* Must be 128 byte aligned for receive */
152 	uint32_t len;
153 	uint32_t next;
154 	uint32_t cmd_stat;
155 	uint32_t result_size;
156 	uint32_t valid_size;
157 	uint32_t data_stat;
158 	uint32_t rxerror;
159 };
160 
161 #endif /* _POWERPC_PS3_IF_GLCREG_H */
162