xref: /freebsd/sys/dev/dpaa/if_dtsec.h (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /*-
2  * Copyright (c) 2011-2012 Semihalf.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef IF_DTSEC_H_
30 #define IF_DTSEC_H_
31 
32 /**
33  * @group dTSEC common API.
34  * @{
35  */
36 #define DTSEC_MODE_REGULAR		0
37 #define DTSEC_MODE_INDEPENDENT		1
38 
39 #define DTSEC_LOCK(sc)			mtx_lock(&(sc)->sc_lock)
40 #define DTSEC_UNLOCK(sc)		mtx_unlock(&(sc)->sc_lock)
41 #define DTSEC_LOCK_ASSERT(sc)		mtx_assert(&(sc)->sc_lock, MA_OWNED)
42 #define DTSEC_MII_LOCK(sc)		mtx_lock(&(sc)->sc_mii_lock)
43 #define DTSEC_MII_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mii_lock)
44 
45 enum eth_dev_type {
46 	ETH_DTSEC = 0x1,
47 	ETH_10GSEC = 0x2
48 };
49 
50 struct dtsec_softc {
51 	/* XXX MII bus requires that struct ifnet is first!!! */
52 	struct ifnet			*sc_ifnet;
53 
54 	device_t			sc_dev;
55 	struct resource			*sc_mem;
56 	struct mtx			sc_lock;
57 	int				sc_mode;
58 
59 	/* Methods */
60 	int				(*sc_port_rx_init)
61 	    (struct dtsec_softc *sc, int unit);
62 	int				(*sc_port_tx_init)
63 	    (struct dtsec_softc *sc, int unit);
64 	void				(*sc_start_locked)
65 	    (struct dtsec_softc *sc);
66 
67 	/* dTSEC data */
68 	enum eth_dev_type		sc_eth_dev_type;
69 	uint8_t				sc_eth_id; /* Ethernet ID within its frame manager */
70 	uintptr_t			sc_mac_mem_offset;
71 	e_EnetMode			sc_mac_enet_mode;
72 	int				sc_mac_mdio_irq;
73 	uint8_t				sc_mac_addr[6];
74 	int				sc_port_rx_hw_id;
75 	int				sc_port_tx_hw_id;
76 	uint32_t			sc_port_tx_qman_chan;
77 	int				sc_phy_addr;
78 	bool				sc_hidden;
79 	device_t			sc_mdio;
80 
81 	/* Params from fman_bus driver */
82 	vm_offset_t			sc_fm_base;
83 	t_Handle			sc_fmh;
84 	t_Handle			sc_muramh;
85 
86 	t_Handle			sc_mach;
87 	t_Handle			sc_rxph;
88 	t_Handle			sc_txph;
89 
90 	/* MII data */
91 	struct mii_data			*sc_mii;
92 	device_t			sc_mii_dev;
93 	struct mtx			sc_mii_lock;
94 
95 	struct callout			sc_tick_callout;
96 
97 	/* RX Pool */
98 	t_Handle			sc_rx_pool;
99 	uint8_t				sc_rx_bpid;
100 	uma_zone_t			sc_rx_zone;
101 	char				sc_rx_zname[64];
102 
103 	/* RX Frame Queue */
104 	t_Handle			sc_rx_fqr;
105 	uint32_t			sc_rx_fqid;
106 
107 	/* TX Frame Queue */
108 	t_Handle			sc_tx_fqr;
109 	bool				sc_tx_fqr_full;
110 	t_Handle			sc_tx_conf_fqr;
111 	uint32_t			sc_tx_conf_fqid;
112 
113 	/* Frame Info Zone */
114 	uma_zone_t			sc_fi_zone;
115 	char				sc_fi_zname[64];
116 };
117 /** @} */
118 
119 
120 /**
121  * @group dTSEC FMan PORT API.
122  * @{
123  */
124 enum dtsec_fm_port_params {
125 	FM_PORT_LIODN_BASE	= 0,
126 	FM_PORT_LIODN_OFFSET 	= 0,
127 	FM_PORT_MEM_ID		= 0,
128 	FM_PORT_MEM_ATTR	= MEMORY_ATTR_CACHEABLE,
129 	FM_PORT_BUFFER_SIZE	= MCLBYTES,
130 };
131 
132 e_FmPortType	dtsec_fm_port_rx_type(enum eth_dev_type type);
133 void		dtsec_fm_port_rx_exception_callback(t_Handle app,
134 		    e_FmPortExceptions exception);
135 void		dtsec_fm_port_tx_exception_callback(t_Handle app,
136 		    e_FmPortExceptions exception);
137 e_FmPortType	dtsec_fm_port_tx_type(enum eth_dev_type type);
138 /** @} */
139 
140 
141 /**
142  * @group dTSEC bus interface.
143  * @{
144  */
145 int		dtsec_attach(device_t dev);
146 int		dtsec_detach(device_t dev);
147 int		dtsec_suspend(device_t dev);
148 int		dtsec_resume(device_t dev);
149 int		dtsec_shutdown(device_t dev);
150 int		dtsec_miibus_readreg(device_t dev, int phy, int reg);
151 int		dtsec_miibus_writereg(device_t dev, int phy, int reg,
152 		    int value);
153 void		dtsec_miibus_statchg(device_t dev);
154 /** @} */
155 
156 #endif /* IF_DTSEC_H_ */
157