1 /* $Id: bkm_ax.h,v 1.5.6.3 2001/09/23 22:24:46 kai Exp $
2  *
3  * low level decls for T-Berkom cards A4T and Scitel Quadro (4*S0, passive)
4  *
5  * Author       Roland Klabunde
6  * Copyright    by Roland Klabunde   <R.Klabunde@Berkom.de>
7  *
8  * This software may be used and distributed according to the terms
9  * of the GNU General Public License, incorporated herein by reference.
10  *
11  */
12 
13 #ifndef	__BKM_AX_H__
14 #define	__BKM_AX_H__
15 
16 /* Supported boards	(subtypes) */
17 #define SCT_1		1
18 #define	SCT_2		2
19 #define	SCT_3		3
20 #define	SCT_4		4
21 #define BKM_A4T		5
22 
23 #define	PLX_ADDR_PLX		0x14	/* Addr PLX configuration */
24 #define	PLX_ADDR_ISAC		0x18	/* Addr ISAC */
25 #define	PLX_ADDR_HSCX		0x1C	/* Addr HSCX */
26 #define	PLX_ADDR_ALE		0x20	/* Addr ALE */
27 #define	PLX_ADDR_ALEPLUS	0x24	/* Next Addr behind ALE */
28 
29 #define	PLX_SUBVEN		0x2C	/* Offset SubVendor */
30 #define	PLX_SUBSYS		0x2E	/* Offset SubSystem */
31 
32 
33 /* Application specific registers I20 (Siemens SZB6120H) */
34 typedef	struct {
35 	/* Video front end horizontal configuration register */
36 	volatile u_int	i20VFEHorzCfg;	/* Offset 00 */
37 	/* Video front end vertical configuration register */
38 	volatile u_int	i20VFEVertCfg;	/* Offset 04 */
39 	/* Video front end scaler and pixel format register */
40 	volatile u_int	i20VFEScaler;	/* Offset 08 */
41 	/* Video display top register */
42 	volatile u_int	i20VDispTop;	/* Offset 0C */
43 	/* Video display bottom register */
44 	volatile u_int	i20VDispBottom;	/* Offset 10 */
45 	/* Video stride, status and frame grab register */
46 	volatile u_int	i20VidFrameGrab;/* Offset 14 */
47 	/* Video display configuration register */
48 	volatile u_int	i20VDispCfg;	/* Offset 18 */
49 	/* Video masking map top */
50 	volatile u_int	i20VMaskTop;	/* Offset 1C */
51 	/* Video masking map bottom */
52 	volatile u_int	i20VMaskBottom;	/* Offset 20 */
53 	/* Overlay control register */
54 	volatile u_int	i20OvlyControl;	/* Offset 24 */
55 	/* System, PCI and general purpose pins control register */
56 	volatile u_int	i20SysControl;	/* Offset 28 */
57 #define	sysRESET		0x01000000	/* bit 24:Softreset (Low)		*/
58 	/* GPIO 4...0: Output fixed for our cfg! */
59 #define	sysCFG			0x000000E0	/* GPIO 7,6,5: Input */
60 	/* General purpose pins and guest bus control register */
61 	volatile u_int	i20GuestControl;/* Offset 2C */
62 #define	guestWAIT_CFG	0x00005555	/* 4 PCI waits for all */
63 #define	guestISDN_INT_E	0x01000000	/* ISDN Int en (low) */
64 #define	guestVID_INT_E	0x02000000	/* Video interrupt en (low) */
65 #define	guestADI1_INT_R	0x04000000	/* ADI #1 int req (low) */
66 #define	guestADI2_INT_R	0x08000000	/* ADI #2 int req (low) */
67 #define	guestISDN_RES	0x10000000	/* ISDN reset bit (high) */
68 #define	guestADI1_INT_S	0x20000000	/* ADI #1 int pending (low) */
69 #define	guestADI2_INT_S	0x40000000	/* ADI #2 int pending (low) */
70 #define	guestISDN_INT_S	0x80000000	/* ISAC int pending (low) */
71 
72 #define	g_A4T_JADE_RES	0x01000000	/* JADE Reset (High) */
73 #define	g_A4T_ISAR_RES	0x02000000	/* ISAR Reset (High) */
74 #define	g_A4T_ISAC_RES	0x04000000	/* ISAC Reset (High) */
75 #define	g_A4T_JADE_BOOTR 0x08000000	/* JADE enable boot SRAM (Low) NOT USED */
76 #define	g_A4T_ISAR_BOOTR 0x10000000	/* ISAR enable boot SRAM (Low) NOT USED */
77 #define	g_A4T_JADE_INT_S 0x20000000	/* JADE interrupt pnd (Low) */
78 #define	g_A4T_ISAR_INT_S 0x40000000	/* ISAR interrupt pnd (Low) */
79 #define	g_A4T_ISAC_INT_S 0x80000000	/* ISAC interrupt pnd (Low) */
80 
81 	volatile u_int	i20CodeSource;	/* Offset 30 */
82 	volatile u_int	i20CodeXferCtrl;/* Offset 34 */
83 	volatile u_int	i20CodeMemPtr;	/* Offset 38 */
84 
85 	volatile u_int	i20IntStatus;	/* Offset 3C */
86 	volatile u_int	i20IntCtrl;	/* Offset 40 */
87 #define	intISDN		0x40000000	/* GIRQ1En (ISAC/ADI) (High) */
88 #define	intVID		0x20000000	/* GIRQ0En (VSYNC)    (High) */
89 #define	intCOD		0x10000000	/* CodRepIrqEn        (High) */
90 #define	intPCI		0x01000000	/* PCI IntA enable    (High) */
91 
92 	volatile u_int	i20I2CCtrl;	/* Offset 44					*/
93 } I20_REGISTER_FILE, *PI20_REGISTER_FILE;
94 
95 /*
96  * Postoffice structure for A4T
97  *
98  */
99 #define	PO_OFFSET	0x00000200	/* Postoffice offset from base */
100 
101 #define	GCS_0		0x00000000	/* Guest bus chip selects */
102 #define	GCS_1		0x00100000
103 #define	GCS_2		0x00200000
104 #define	GCS_3		0x00300000
105 
106 #define	PO_READ		0x00000000	/* R/W from/to guest bus */
107 #define	PO_WRITE	0x00800000
108 
109 #define	PO_PEND		0x02000000
110 
111 #define POSTOFFICE(postoffice) *(volatile unsigned int *)(postoffice)
112 
113 /* Wait unlimited (don't worry)										*/
114 #define	__WAITI20__(postoffice)					\
115 	do {							\
116 		while ((POSTOFFICE(postoffice) & PO_PEND)) ;	\
117 	} while (0)
118 
119 #endif	/* __BKM_AX_H__ */
120