1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Marvell OcteonTx2 CGX driver
3  *
4  * Copyright (C) 2018 Marvell.
5  *
6  */
7 
8 #ifndef CGX_H
9 #define CGX_H
10 
11 #include "mbox.h"
12 #include "cgx_fw_if.h"
13 #include "rpm.h"
14 
15  /* PCI device IDs */
16 #define	PCI_DEVID_OCTEONTX2_CGX		0xA059
17 
18 /* PCI BAR nos */
19 #define PCI_CFG_REG_BAR_NUM		0
20 
21 #define CGX_ID_MASK			0xF
22 
23 /* Registers */
24 #define CGXX_CMRX_CFG			0x00
25 #define CMR_P2X_SEL_MASK		GENMASK_ULL(61, 59)
26 #define CMR_P2X_SEL_SHIFT		59ULL
27 #define CMR_P2X_SEL_NIX0		1ULL
28 #define CMR_P2X_SEL_NIX1		2ULL
29 #define DATA_PKT_TX_EN			BIT_ULL(53)
30 #define DATA_PKT_RX_EN			BIT_ULL(54)
31 #define CGX_LMAC_TYPE_SHIFT		40
32 #define CGX_LMAC_TYPE_MASK		0xF
33 #define CGXX_CMRX_INT			0x040
34 #define FW_CGX_INT			BIT_ULL(1)
35 #define CGXX_CMRX_INT_ENA_W1S		0x058
36 #define CGXX_CMRX_RX_ID_MAP		0x060
37 #define CGXX_CMRX_RX_STAT0		0x070
38 #define CGXX_CMRX_RX_LMACS		0x128
39 #define CGXX_CMRX_RX_DMAC_CTL0		(0x1F8 + mac_ops->csr_offset)
40 #define CGX_DMAC_CTL0_CAM_ENABLE	BIT_ULL(3)
41 #define CGX_DMAC_CAM_ACCEPT		BIT_ULL(3)
42 #define CGX_DMAC_MCAST_MODE_CAM		BIT_ULL(2)
43 #define CGX_DMAC_MCAST_MODE		BIT_ULL(1)
44 #define CGX_DMAC_BCAST_MODE		BIT_ULL(0)
45 #define CGXX_CMRX_RX_DMAC_CAM0		(0x200 + mac_ops->csr_offset)
46 #define CGX_DMAC_CAM_ADDR_ENABLE	BIT_ULL(48)
47 #define CGX_DMAC_CAM_ENTRY_LMACID	GENMASK_ULL(50, 49)
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 CGX_CONST_RXFIFO_SIZE	        GENMASK_ULL(55, 32)
55 #define CGX_CONST_MAX_LMACS	        GENMASK_ULL(31, 24)
56 #define CGXX_SPUX_CONTROL1		0x10000
57 #define CGXX_SPUX_LNX_FEC_CORR_BLOCKS	0x10700
58 #define CGXX_SPUX_LNX_FEC_UNCORR_BLOCKS	0x10800
59 #define CGXX_SPUX_RSFEC_CORR		0x10088
60 #define CGXX_SPUX_RSFEC_UNCORR		0x10090
61 
62 #define CGXX_SPUX_CONTROL1_LBK		BIT_ULL(14)
63 #define CGXX_GMP_PCS_MRX_CTL		0x30000
64 #define CGXX_GMP_PCS_MRX_CTL_LBK	BIT_ULL(14)
65 
66 #define CGXX_SMUX_RX_FRM_CTL		0x20020
67 #define CGX_SMUX_RX_FRM_CTL_CTL_BCK	BIT_ULL(3)
68 #define CGX_SMUX_RX_FRM_CTL_PTP_MODE	BIT_ULL(12)
69 #define CGXX_GMP_GMI_RXX_FRM_CTL	0x38028
70 #define CGX_GMP_GMI_RXX_FRM_CTL_CTL_BCK	BIT_ULL(3)
71 #define CGX_GMP_GMI_RXX_FRM_CTL_PTP_MODE BIT_ULL(12)
72 #define CGXX_SMUX_TX_CTL		0x20178
73 #define CGXX_SMUX_TX_PAUSE_PKT_TIME	0x20110
74 #define CGXX_SMUX_TX_PAUSE_PKT_INTERVAL	0x20120
75 #define CGXX_SMUX_SMAC                        0x20108
76 #define CGXX_SMUX_CBFC_CTL                    0x20218
77 #define CGXX_SMUX_CBFC_CTL_RX_EN             BIT_ULL(0)
78 #define CGXX_SMUX_CBFC_CTL_TX_EN             BIT_ULL(1)
79 #define CGXX_SMUX_CBFC_CTL_DRP_EN            BIT_ULL(2)
80 #define CGXX_SMUX_CBFC_CTL_BCK_EN            BIT_ULL(3)
81 #define CGX_PFC_CLASS_MASK		     GENMASK_ULL(47, 32)
82 #define CGXX_GMP_GMI_TX_PAUSE_PKT_TIME	0x38230
83 #define CGXX_GMP_GMI_TX_PAUSE_PKT_INTERVAL	0x38248
84 #define CGX_SMUX_TX_CTL_L2P_BP_CONV	BIT_ULL(7)
85 #define CGXX_CMR_RX_OVR_BP		0x130
86 #define CGX_CMR_RX_OVR_BP_EN(X)		BIT_ULL(((X) + 8))
87 #define CGX_CMR_RX_OVR_BP_BP(X)		BIT_ULL(((X) + 4))
88 
89 #define CGX_COMMAND_REG			CGXX_SCRATCH1_REG
90 #define CGX_EVENT_REG			CGXX_SCRATCH0_REG
91 #define CGX_CMD_TIMEOUT			5000 /* msecs */
92 #define DEFAULT_PAUSE_TIME		0x7FF
93 
94 #define CGX_LMAC_FWI			0
95 
96 enum  cgx_nix_stat_type {
97 	NIX_STATS_RX,
98 	NIX_STATS_TX,
99 };
100 
101 enum LMAC_TYPE {
102 	LMAC_MODE_SGMII		= 0,
103 	LMAC_MODE_XAUI		= 1,
104 	LMAC_MODE_RXAUI		= 2,
105 	LMAC_MODE_10G_R		= 3,
106 	LMAC_MODE_40G_R		= 4,
107 	LMAC_MODE_QSGMII	= 6,
108 	LMAC_MODE_25G_R		= 7,
109 	LMAC_MODE_50G_R		= 8,
110 	LMAC_MODE_100G_R	= 9,
111 	LMAC_MODE_USXGMII	= 10,
112 	LMAC_MODE_MAX,
113 };
114 
115 struct cgx_link_event {
116 	struct cgx_link_user_info link_uinfo;
117 	u8 cgx_id;
118 	u8 lmac_id;
119 };
120 
121 /**
122  * struct cgx_event_cb
123  * @notify_link_chg:	callback for link change notification
124  * @data:	data passed to callback function
125  */
126 struct cgx_event_cb {
127 	int (*notify_link_chg)(struct cgx_link_event *event, void *data);
128 	void *data;
129 };
130 
131 extern struct pci_driver cgx_driver;
132 
133 int cgx_get_cgxcnt_max(void);
134 int cgx_get_cgxid(void *cgxd);
135 int cgx_get_lmac_cnt(void *cgxd);
136 void *cgx_get_pdata(int cgx_id);
137 int cgx_set_pkind(void *cgxd, u8 lmac_id, int pkind);
138 int cgx_lmac_evh_register(struct cgx_event_cb *cb, void *cgxd, int lmac_id);
139 int cgx_lmac_evh_unregister(void *cgxd, int lmac_id);
140 int cgx_get_tx_stats(void *cgxd, int lmac_id, int idx, u64 *tx_stat);
141 int cgx_get_rx_stats(void *cgxd, int lmac_id, int idx, u64 *rx_stat);
142 int cgx_lmac_rx_tx_enable(void *cgxd, int lmac_id, bool enable);
143 int cgx_lmac_tx_enable(void *cgxd, int lmac_id, bool enable);
144 int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr);
145 int cgx_lmac_addr_reset(u8 cgx_id, u8 lmac_id);
146 u64 cgx_lmac_addr_get(u8 cgx_id, u8 lmac_id);
147 int cgx_lmac_addr_add(u8 cgx_id, u8 lmac_id, u8 *mac_addr);
148 int cgx_lmac_addr_del(u8 cgx_id, u8 lmac_id, u8 index);
149 int cgx_lmac_addr_max_entries_get(u8 cgx_id, u8 lmac_id);
150 void cgx_lmac_promisc_config(int cgx_id, int lmac_id, bool enable);
151 void cgx_lmac_enadis_rx_pause_fwding(void *cgxd, int lmac_id, bool enable);
152 int cgx_lmac_internal_loopback(void *cgxd, int lmac_id, bool enable);
153 int cgx_get_link_info(void *cgxd, int lmac_id,
154 		      struct cgx_link_user_info *linfo);
155 int cgx_lmac_linkup_start(void *cgxd);
156 int cgx_get_fwdata_base(u64 *base);
157 int cgx_lmac_get_pause_frm(void *cgxd, int lmac_id,
158 			   u8 *tx_pause, u8 *rx_pause);
159 int cgx_lmac_set_pause_frm(void *cgxd, int lmac_id,
160 			   u8 tx_pause, u8 rx_pause);
161 void cgx_lmac_ptp_config(void *cgxd, int lmac_id, bool enable);
162 u8 cgx_lmac_get_p2x(int cgx_id, int lmac_id);
163 int cgx_set_fec(u64 fec, int cgx_id, int lmac_id);
164 int cgx_get_fec_stats(void *cgxd, int lmac_id, struct cgx_fec_stats_rsp *rsp);
165 int cgx_get_phy_fec_stats(void *cgxd, int lmac_id);
166 int cgx_set_link_mode(void *cgxd, struct cgx_set_link_mode_args args,
167 		      int cgx_id, int lmac_id);
168 u64 cgx_features_get(void *cgxd);
169 struct mac_ops *get_mac_ops(void *cgxd);
170 int cgx_get_nr_lmacs(void *cgxd);
171 u8 cgx_get_lmacid(void *cgxd, u8 lmac_index);
172 unsigned long cgx_get_lmac_bmap(void *cgxd);
173 void cgx_lmac_write(int cgx_id, int lmac_id, u64 offset, u64 val);
174 u64 cgx_lmac_read(int cgx_id, int lmac_id, u64 offset);
175 int cgx_lmac_addr_update(u8 cgx_id, u8 lmac_id, u8 *mac_addr, u8 index);
176 u64 cgx_read_dmac_ctrl(void *cgxd, int lmac_id);
177 u64 cgx_read_dmac_entry(void *cgxd, int index);
178 int cgx_lmac_pfc_config(void *cgxd, int lmac_id, u8 tx_pause, u8 rx_pause,
179 			u16 pfc_en);
180 int cgx_lmac_get_pfc_frm_cfg(void *cgxd, int lmac_id, u8 *tx_pause,
181 			     u8 *rx_pause);
182 int verify_lmac_fc_cfg(void *cgxd, int lmac_id, u8 tx_pause, u8 rx_pause,
183 		       int pfvf_idx);
184 #endif /* CGX_H */
185