1 /* SPDX-License-Identifier: GPL-2.0
2  * Marvell OcteonTx2 CGX driver
3  *
4  * Copyright (C) 2018 Marvell International Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef CGX_H
12 #define CGX_H
13 
14 #include "mbox.h"
15 #include "cgx_fw_if.h"
16 
17  /* PCI device IDs */
18 #define	PCI_DEVID_OCTEONTX2_CGX		0xA059
19 
20 /* PCI BAR nos */
21 #define PCI_CFG_REG_BAR_NUM		0
22 
23 #define CGX_ID_MASK			0x7
24 #define MAX_LMAC_PER_CGX		4
25 #define CGX_FIFO_LEN			65536 /* 64K for both Rx & Tx */
26 #define CGX_OFFSET(x)			((x) * MAX_LMAC_PER_CGX)
27 
28 /* Registers */
29 #define CGXX_CMRX_CFG			0x00
30 #define CMR_EN				BIT_ULL(55)
31 #define DATA_PKT_TX_EN			BIT_ULL(53)
32 #define DATA_PKT_RX_EN			BIT_ULL(54)
33 #define CGX_LMAC_TYPE_SHIFT		40
34 #define CGX_LMAC_TYPE_MASK		0xF
35 #define CGXX_CMRX_INT			0x040
36 #define FW_CGX_INT			BIT_ULL(1)
37 #define CGXX_CMRX_INT_ENA_W1S		0x058
38 #define CGXX_CMRX_RX_ID_MAP		0x060
39 #define CGXX_CMRX_RX_STAT0		0x070
40 #define CGXX_CMRX_RX_LMACS		0x128
41 #define CGXX_CMRX_RX_DMAC_CTL0		0x1F8
42 #define CGX_DMAC_CTL0_CAM_ENABLE	BIT_ULL(3)
43 #define CGX_DMAC_CAM_ACCEPT		BIT_ULL(3)
44 #define CGX_DMAC_MCAST_MODE		BIT_ULL(1)
45 #define CGX_DMAC_BCAST_MODE		BIT_ULL(0)
46 #define CGXX_CMRX_RX_DMAC_CAM0		0x200
47 #define CGX_DMAC_CAM_ADDR_ENABLE	BIT_ULL(48)
48 #define CGXX_CMRX_RX_DMAC_CAM1		0x400
49 #define CGX_RX_DMAC_ADR_MASK		GENMASK_ULL(47, 0)
50 #define CGXX_CMRX_TX_STAT0		0x700
51 #define CGXX_SCRATCH0_REG		0x1050
52 #define CGXX_SCRATCH1_REG		0x1058
53 #define CGX_CONST			0x2000
54 #define CGXX_SPUX_CONTROL1		0x10000
55 #define CGXX_SPUX_CONTROL1_LBK		BIT_ULL(14)
56 #define CGXX_GMP_PCS_MRX_CTL		0x30000
57 #define CGXX_GMP_PCS_MRX_CTL_LBK	BIT_ULL(14)
58 
59 #define CGX_COMMAND_REG			CGXX_SCRATCH1_REG
60 #define CGX_EVENT_REG			CGXX_SCRATCH0_REG
61 #define CGX_CMD_TIMEOUT			2200 /* msecs */
62 
63 #define CGX_NVEC			37
64 #define CGX_LMAC_FWI			0
65 
66 enum LMAC_TYPE {
67 	LMAC_MODE_SGMII		= 0,
68 	LMAC_MODE_XAUI		= 1,
69 	LMAC_MODE_RXAUI		= 2,
70 	LMAC_MODE_10G_R		= 3,
71 	LMAC_MODE_40G_R		= 4,
72 	LMAC_MODE_QSGMII	= 6,
73 	LMAC_MODE_25G_R		= 7,
74 	LMAC_MODE_50G_R		= 8,
75 	LMAC_MODE_100G_R	= 9,
76 	LMAC_MODE_USXGMII	= 10,
77 	LMAC_MODE_MAX,
78 };
79 
80 struct cgx_link_event {
81 	struct cgx_link_user_info link_uinfo;
82 	u8 cgx_id;
83 	u8 lmac_id;
84 };
85 
86 /**
87  * struct cgx_event_cb
88  * @notify_link_chg:	callback for link change notification
89  * @data:	data passed to callback function
90  */
91 struct cgx_event_cb {
92 	int (*notify_link_chg)(struct cgx_link_event *event, void *data);
93 	void *data;
94 };
95 
96 extern struct pci_driver cgx_driver;
97 
98 int cgx_get_cgxcnt_max(void);
99 int cgx_get_lmac_cnt(void *cgxd);
100 void *cgx_get_pdata(int cgx_id);
101 int cgx_set_pkind(void *cgxd, u8 lmac_id, int pkind);
102 int cgx_lmac_evh_register(struct cgx_event_cb *cb, void *cgxd, int lmac_id);
103 int cgx_lmac_evh_unregister(void *cgxd, int lmac_id);
104 int cgx_get_tx_stats(void *cgxd, int lmac_id, int idx, u64 *tx_stat);
105 int cgx_get_rx_stats(void *cgxd, int lmac_id, int idx, u64 *rx_stat);
106 int cgx_lmac_rx_tx_enable(void *cgxd, int lmac_id, bool enable);
107 int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr);
108 u64 cgx_lmac_addr_get(u8 cgx_id, u8 lmac_id);
109 void cgx_lmac_promisc_config(int cgx_id, int lmac_id, bool enable);
110 int cgx_lmac_internal_loopback(void *cgxd, int lmac_id, bool enable);
111 int cgx_get_link_info(void *cgxd, int lmac_id,
112 		      struct cgx_link_user_info *linfo);
113 int cgx_lmac_linkup_start(void *cgxd);
114 int cgx_get_mkex_prfl_info(u64 *addr, u64 *size);
115 #endif /* CGX_H */
116