xref: /linux/drivers/usb/chipidea/bits.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*
2  * bits.h - register bits of the ChipIdea USB IP core
3  *
4  * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
5  *
6  * Author: David Lopo
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #ifndef __DRIVERS_USB_CHIPIDEA_BITS_H
14 #define __DRIVERS_USB_CHIPIDEA_BITS_H
15 
16 #include <linux/usb/ehci_def.h>
17 
18 /* HCCPARAMS */
19 #define HCCPARAMS_LEN         BIT(17)
20 
21 /* DCCPARAMS */
22 #define DCCPARAMS_DEN         (0x1F << 0)
23 #define DCCPARAMS_DC          BIT(7)
24 #define DCCPARAMS_HC          BIT(8)
25 
26 /* TESTMODE */
27 #define TESTMODE_FORCE        BIT(0)
28 
29 /* USBCMD */
30 #define USBCMD_RS             BIT(0)
31 #define USBCMD_RST            BIT(1)
32 #define USBCMD_SUTW           BIT(13)
33 #define USBCMD_ATDTW          BIT(14)
34 
35 /* USBSTS & USBINTR */
36 #define USBi_UI               BIT(0)
37 #define USBi_UEI              BIT(1)
38 #define USBi_PCI              BIT(2)
39 #define USBi_URI              BIT(6)
40 #define USBi_SLI              BIT(8)
41 
42 /* DEVICEADDR */
43 #define DEVICEADDR_USBADRA    BIT(24)
44 #define DEVICEADDR_USBADR     (0x7FUL << 25)
45 
46 /* PORTSC */
47 #define PORTSC_CCS            BIT(0)
48 #define PORTSC_CSC            BIT(1)
49 #define PORTSC_PEC            BIT(3)
50 #define PORTSC_OCC            BIT(5)
51 #define PORTSC_FPR            BIT(6)
52 #define PORTSC_SUSP           BIT(7)
53 #define PORTSC_HSP            BIT(9)
54 #define PORTSC_PP             BIT(12)
55 #define PORTSC_PTC            (0x0FUL << 16)
56 #define PORTSC_PHCD(d)	      ((d) ? BIT(22) : BIT(23))
57 /* PTS and PTW for non lpm version only */
58 #define PORTSC_PFSC           BIT(24)
59 #define PORTSC_PTS(d)						\
60 	(u32)((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0))
61 #define PORTSC_PTW            BIT(28)
62 #define PORTSC_STS            BIT(29)
63 
64 #define PORTSC_W1C_BITS						\
65 	(PORTSC_CSC | PORTSC_PEC | PORTSC_OCC)
66 
67 /* DEVLC */
68 #define DEVLC_PFSC            BIT(23)
69 #define DEVLC_PSPD            (0x03UL << 25)
70 #define DEVLC_PSPD_HS         (0x02UL << 25)
71 #define DEVLC_PTW             BIT(27)
72 #define DEVLC_STS             BIT(28)
73 #define DEVLC_PTS(d)          (u32)(((d) & 0x7) << 29)
74 
75 /* Encoding for DEVLC_PTS and PORTSC_PTS */
76 #define PTS_UTMI              0
77 #define PTS_ULPI              2
78 #define PTS_SERIAL            3
79 #define PTS_HSIC              4
80 
81 /* OTGSC */
82 #define OTGSC_IDPU	      BIT(5)
83 #define OTGSC_HADP	      BIT(6)
84 #define OTGSC_HABA	      BIT(7)
85 #define OTGSC_ID	      BIT(8)
86 #define OTGSC_AVV	      BIT(9)
87 #define OTGSC_ASV	      BIT(10)
88 #define OTGSC_BSV	      BIT(11)
89 #define OTGSC_BSE	      BIT(12)
90 #define OTGSC_IDIS	      BIT(16)
91 #define OTGSC_AVVIS	      BIT(17)
92 #define OTGSC_ASVIS	      BIT(18)
93 #define OTGSC_BSVIS	      BIT(19)
94 #define OTGSC_BSEIS	      BIT(20)
95 #define OTGSC_1MSIS	      BIT(21)
96 #define OTGSC_DPIS	      BIT(22)
97 #define OTGSC_IDIE	      BIT(24)
98 #define OTGSC_AVVIE	      BIT(25)
99 #define OTGSC_ASVIE	      BIT(26)
100 #define OTGSC_BSVIE	      BIT(27)
101 #define OTGSC_BSEIE	      BIT(28)
102 #define OTGSC_1MSIE	      BIT(29)
103 #define OTGSC_DPIE	      BIT(30)
104 #define OTGSC_INT_EN_BITS	(OTGSC_IDIE | OTGSC_AVVIE | OTGSC_ASVIE \
105 				| OTGSC_BSVIE | OTGSC_BSEIE | OTGSC_1MSIE \
106 				| OTGSC_DPIE)
107 #define OTGSC_INT_STATUS_BITS	(OTGSC_IDIS | OTGSC_AVVIS | OTGSC_ASVIS	\
108 				| OTGSC_BSVIS | OTGSC_BSEIS | OTGSC_1MSIS \
109 				| OTGSC_DPIS)
110 
111 /* USBMODE */
112 #define USBMODE_CM            (0x03UL <<  0)
113 #define USBMODE_CM_DC         (0x02UL <<  0)
114 #define USBMODE_SLOM          BIT(3)
115 #define USBMODE_CI_SDIS       BIT(4)
116 
117 /* ENDPTCTRL */
118 #define ENDPTCTRL_RXS         BIT(0)
119 #define ENDPTCTRL_RXT         (0x03UL <<  2)
120 #define ENDPTCTRL_RXR         BIT(6)         /* reserved for port 0 */
121 #define ENDPTCTRL_RXE         BIT(7)
122 #define ENDPTCTRL_TXS         BIT(16)
123 #define ENDPTCTRL_TXT         (0x03UL << 18)
124 #define ENDPTCTRL_TXR         BIT(22)        /* reserved for port 0 */
125 #define ENDPTCTRL_TXE         BIT(23)
126 
127 #endif /* __DRIVERS_USB_CHIPIDEA_BITS_H */
128