1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Marvell CN10K RPM driver
3  *
4  * Copyright (C) 2020 Marvell.
5  *
6  */
7 
8 #ifndef RPM_H
9 #define RPM_H
10 
11 #include <linux/bits.h>
12 
13 /* PCI device IDs */
14 #define PCI_DEVID_CN10K_RPM		0xA060
15 
16 /* Registers */
17 #define RPMX_CMRX_CFG			0x00
18 #define RPMX_RX_TS_PREPEND              BIT_ULL(22)
19 #define RPMX_CMRX_SW_INT                0x180
20 #define RPMX_CMRX_SW_INT_W1S            0x188
21 #define RPMX_CMRX_SW_INT_ENA_W1S        0x198
22 #define RPMX_CMRX_LINK_CFG		0x1070
23 #define RPMX_MTI_PCS100X_CONTROL1       0x20000
24 #define RPMX_MTI_LPCSX_CONTROL1         0x30000
25 #define RPMX_MTI_PCS_LBK                BIT_ULL(14)
26 #define RPMX_MTI_LPCSX_CONTROL(id)     (0x30000 | ((id) * 0x100))
27 
28 #define RPMX_CMRX_LINK_RANGE_MASK	GENMASK_ULL(19, 16)
29 #define RPMX_CMRX_LINK_BASE_MASK	GENMASK_ULL(11, 0)
30 #define RPMX_MTI_MAC100X_COMMAND_CONFIG	0x8010
31 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_RX_P_DISABLE	BIT_ULL(29)
32 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_TX_P_DISABLE	BIT_ULL(28)
33 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_IGNORE	BIT_ULL(8)
34 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_PFC_MODE	BIT_ULL(19)
35 #define RPMX_MTI_MAC100X_CL01_PAUSE_QUANTA		0x80A8
36 #define RPMX_MTI_MAC100X_CL23_PAUSE_QUANTA		0x80B0
37 #define RPMX_MTI_MAC100X_CL45_PAUSE_QUANTA		0x80B8
38 #define RPMX_MTI_MAC100X_CL67_PAUSE_QUANTA		0x80C0
39 #define RPMX_MTI_MAC100X_CL01_QUANTA_THRESH		0x80C8
40 #define RPMX_MTI_MAC100X_CL23_QUANTA_THRESH		0x80D0
41 #define RPMX_MTI_MAC100X_CL45_QUANTA_THRESH		0x80D8
42 #define RPMX_MTI_MAC100X_CL67_QUANTA_THRESH		0x80E0
43 #define RPMX_MTI_MAC100X_CL89_PAUSE_QUANTA		0x8108
44 #define RPMX_MTI_MAC100X_CL1011_PAUSE_QUANTA		0x8110
45 #define RPMX_MTI_MAC100X_CL1213_PAUSE_QUANTA		0x8118
46 #define RPMX_MTI_MAC100X_CL1415_PAUSE_QUANTA		0x8120
47 #define RPMX_MTI_MAC100X_CL89_QUANTA_THRESH		0x8128
48 #define RPMX_MTI_MAC100X_CL1011_QUANTA_THRESH		0x8130
49 #define RPMX_MTI_MAC100X_CL1213_QUANTA_THRESH		0x8138
50 #define RPMX_MTI_MAC100X_CL1415_QUANTA_THRESH		0x8140
51 #define RPM_DEFAULT_PAUSE_TIME			0xFFFF
52 #define RPMX_CMR_RX_OVR_BP		0x4120
53 #define RPMX_CMR_RX_OVR_BP_EN(x)	BIT_ULL((x) + 8)
54 #define RPMX_CMR_RX_OVR_BP_BP(x)	BIT_ULL((x) + 4)
55 #define RPMX_MTI_STAT_RX_STAT_PAGES_COUNTERX 0x12000
56 #define RPMX_MTI_STAT_TX_STAT_PAGES_COUNTERX 0x13000
57 #define RPMX_MTI_STAT_DATA_HI_CDC            0x10038
58 
59 #define RPM_LMAC_FWI			0xa
60 #define RPM_TX_EN			BIT_ULL(0)
61 #define RPM_RX_EN			BIT_ULL(1)
62 #define RPMX_CMRX_PRT_CBFC_CTL                         0x5B08
63 #define RPMX_CMRX_PRT_CBFC_CTL_LOGL_EN_RX_SHIFT        33
64 #define RPMX_CMRX_PRT_CBFC_CTL_PHYS_BP_SHIFT           16
65 #define RPMX_CMRX_PRT_CBFC_CTL_LOGL_EN_TX_SHIFT        0
66 #define RPM_PFC_CLASS_MASK			       GENMASK_ULL(48, 33)
67 #define RPMX_MTI_MAC100X_CL89_QUANTA_THRESH		0x8128
68 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_TX_PAD_EN              BIT_ULL(11)
69 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_IGNORE           BIT_ULL(8)
70 #define RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_FWD              BIT_ULL(7)
71 #define RPMX_MTI_MAC100X_CL01_PAUSE_QUANTA              0x80A8
72 #define RPMX_MTI_MAC100X_CL89_PAUSE_QUANTA		0x8108
73 #define RPM_DEFAULT_PAUSE_TIME                          0xFFFF
74 
75 /* Function Declarations */
76 int rpm_get_nr_lmacs(void *rpmd);
77 u8 rpm_get_lmac_type(void *rpmd, int lmac_id);
78 int rpm_lmac_internal_loopback(void *rpmd, int lmac_id, bool enable);
79 void rpm_lmac_enadis_rx_pause_fwding(void *rpmd, int lmac_id, bool enable);
80 int rpm_lmac_get_pause_frm_status(void *cgxd, int lmac_id, u8 *tx_pause,
81 				  u8 *rx_pause);
82 void rpm_lmac_pause_frm_config(void *rpmd, int lmac_id, bool enable);
83 int rpm_lmac_enadis_pause_frm(void *rpmd, int lmac_id, u8 tx_pause,
84 			      u8 rx_pause);
85 int rpm_get_tx_stats(void *rpmd, int lmac_id, int idx, u64 *tx_stat);
86 int rpm_get_rx_stats(void *rpmd, int lmac_id, int idx, u64 *rx_stat);
87 void rpm_lmac_ptp_config(void *rpmd, int lmac_id, bool enable);
88 int rpm_lmac_rx_tx_enable(void *rpmd, int lmac_id, bool enable);
89 int rpm_lmac_tx_enable(void *rpmd, int lmac_id, bool enable);
90 int rpm_lmac_pfc_config(void *rpmd, int lmac_id, u8 tx_pause, u8 rx_pause,
91 			u16 pfc_en);
92 int rpm_lmac_get_pfc_frm_cfg(void *rpmd, int lmac_id, u8 *tx_pause,
93 			     u8 *rx_pause);
94 #endif /* RPM_H */
95