xref: /linux/drivers/ufs/host/ufshcd-dwc.h (revision 7eb7f5723df50a7d5564aa609e4c147f669a5cb4)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * UFS Host driver for Synopsys Designware Core
4  *
5  * Copyright (C) 2015-2016 Synopsys, Inc. (www.synopsys.com)
6  *
7  * Authors: Joao Pinto <jpinto@synopsys.com>
8  */
9 
10 #ifndef _UFSHCD_DWC_H
11 #define _UFSHCD_DWC_H
12 
13 #include <ufs/ufshcd.h>
14 
15 /* RMMI Attributes */
16 #define CBREFCLKCTRL2		0x8132
17 #define CBCRCTRL		0x811F
18 #define CBC10DIRECTCONF2	0x810E
19 #define CBRATESEL		0x8114
20 #define CBCREGADDRLSB		0x8116
21 #define CBCREGADDRMSB		0x8117
22 #define CBCREGWRLSB		0x8118
23 #define CBCREGWRMSB		0x8119
24 #define CBCREGRDLSB		0x811A
25 #define CBCREGRDMSB		0x811B
26 #define CBCREGRDWRSEL		0x811C
27 
28 #define CBREFREFCLK_GATE_OVR_EN		BIT(7)
29 
30 /* M-PHY Attributes */
31 #define MTX_FSM_STATE		0x41
32 #define MRX_FSM_STATE		0xC1
33 
34 /* M-PHY registers */
35 #define RX_OVRD_IN_1(n)		(0x3006 + ((n) * 0x100))
36 #define RX_PCS_OUT(n)		(0x300F + ((n) * 0x100))
37 #define FAST_FLAGS(n)		(0x401C + ((n) * 0x100))
38 #define RX_AFE_ATT_IDAC(n)	(0x4000 + ((n) * 0x100))
39 #define RX_AFE_CTLE_IDAC(n)	(0x4001 + ((n) * 0x100))
40 #define FW_CALIB_CCFG(n)	(0x404D + ((n) * 0x100))
41 
42 /* Tx/Rx FSM state */
43 enum rx_fsm_state {
44 	RX_STATE_DISABLED = 0,
45 	RX_STATE_HIBERN8 = 1,
46 	RX_STATE_SLEEP = 2,
47 	RX_STATE_STALL = 3,
48 	RX_STATE_LSBURST = 4,
49 	RX_STATE_HSBURST = 5,
50 };
51 
52 enum tx_fsm_state {
53 	TX_STATE_DISABLED = 0,
54 	TX_STATE_HIBERN8 = 1,
55 	TX_STATE_SLEEP = 2,
56 	TX_STATE_STALL = 3,
57 	TX_STATE_LSBURST = 4,
58 	TX_STATE_HSBURST = 5,
59 };
60 
61 struct ufshcd_dme_attr_val {
62 	u32 attr_sel;
63 	u32 mib_val;
64 	u8 peer;
65 };
66 
67 int ufshcd_dwc_link_startup_notify(struct ufs_hba *hba,
68 					enum ufs_notify_change_status status);
69 int ufshcd_dwc_dme_set_attrs(struct ufs_hba *hba,
70 				const struct ufshcd_dme_attr_val *v, int n);
71 #endif /* End of Header */
72