xref: /freebsd/sys/dev/dpaa/if_dtsec.h (revision 640235e2c2ba32947f7c59d168437ffa1280f1e6)
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 mtx			sc_lock;
56 	int				sc_mode;
57 
58 	/* Methods */
59 	int				(*sc_port_rx_init)
60 	    (struct dtsec_softc *sc, int unit);
61 	int				(*sc_port_tx_init)
62 	    (struct dtsec_softc *sc, int unit);
63 	void				(*sc_start_locked)
64 	    (struct dtsec_softc *sc);
65 
66 	/* dTSEC data */
67 	enum eth_dev_type		sc_eth_dev_type;
68 	uint8_t				sc_eth_id;
69 	uintptr_t			sc_mac_mem_offset;
70 	e_EnetMode			sc_mac_enet_mode;
71 	int				sc_mac_mdio_irq;
72 	uint8_t				sc_mac_addr[6];
73 	int				sc_port_rx_hw_id;
74 	int				sc_port_tx_hw_id;
75 	uint32_t			sc_port_tx_qman_chan;
76 	int				sc_phy_addr;
77 	bool				sc_hidden;
78 
79 	/* Params from fman_bus driver */
80 	vm_offset_t			sc_fm_base;
81 	t_Handle			sc_fmh;
82 	t_Handle			sc_muramh;
83 
84 	t_Handle			sc_mach;
85 	t_Handle			sc_rxph;
86 	t_Handle			sc_txph;
87 
88 	/* MII data */
89 	struct mii_data			*sc_mii;
90 	device_t			sc_mii_dev;
91 	struct mtx			sc_mii_lock;
92 
93 	struct callout			sc_tick_callout;
94 
95 	/* RX Pool */
96 	t_Handle			sc_rx_pool;
97 	uint8_t				sc_rx_bpid;
98 	uma_zone_t			sc_rx_zone;
99 	char				sc_rx_zname[64];
100 
101 	/* RX Frame Queue */
102 	t_Handle			sc_rx_fqr;
103 	uint32_t			sc_rx_fqid;
104 
105 	/* TX Frame Queue */
106 	t_Handle			sc_tx_fqr;
107 	bool				sc_tx_fqr_full;
108 	t_Handle			sc_tx_conf_fqr;
109 	uint32_t			sc_tx_conf_fqid;
110 
111 	/* Frame Info Zone */
112 	uma_zone_t			sc_fi_zone;
113 	char				sc_fi_zname[64];
114 };
115 /** @} */
116 
117 
118 /**
119  * @group dTSEC FMan PORT API.
120  * @{
121  */
122 enum dtsec_fm_port_params {
123 	FM_PORT_LIODN_BASE	= 0,
124 	FM_PORT_LIODN_OFFSET 	= 0,
125 	FM_PORT_MEM_ID		= 0,
126 	FM_PORT_MEM_ATTR	= MEMORY_ATTR_CACHEABLE,
127 	FM_PORT_BUFFER_SIZE	= MCLBYTES,
128 };
129 
130 e_FmPortType	dtsec_fm_port_rx_type(enum eth_dev_type type);
131 void		dtsec_fm_port_rx_exception_callback(t_Handle app,
132 		    e_FmPortExceptions exception);
133 void		dtsec_fm_port_tx_exception_callback(t_Handle app,
134 		    e_FmPortExceptions exception);
135 e_FmPortType	dtsec_fm_port_tx_type(enum eth_dev_type type);
136 /** @} */
137 
138 
139 /**
140  * @group dTSEC bus interface.
141  * @{
142  */
143 int		dtsec_attach(device_t dev);
144 int		dtsec_detach(device_t dev);
145 int		dtsec_suspend(device_t dev);
146 int		dtsec_resume(device_t dev);
147 int		dtsec_shutdown(device_t dev);
148 int		dtsec_miibus_readreg(device_t dev, int phy, int reg);
149 int		dtsec_miibus_writereg(device_t dev, int phy, int reg,
150 		    int value);
151 void		dtsec_miibus_statchg(device_t dev);
152 /** @} */
153 
154 #endif /* IF_DTSEC_H_ */
155