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/* $Id: bkm_ax.h,v 1.5.6.3 2001/09/23 22:24:46 kai Exp $
*
* low level decls for T-Berkom cards A4T and Scitel Quadro (4*S0, passive)
*
* Author Roland Klabunde
* Copyright by Roland Klabunde <R.Klabunde@Berkom.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#ifndef __BKM_AX_H__
#define __BKM_AX_H__
/* Supported boards (subtypes) */
#define SCT_1 1
#define SCT_2 2
#define SCT_3 3
#define SCT_4 4
#define BKM_A4T 5
#define PLX_ADDR_PLX 0x14 /* Addr PLX configuration */
#define PLX_ADDR_ISAC 0x18 /* Addr ISAC */
#define PLX_ADDR_HSCX 0x1C /* Addr HSCX */
#define PLX_ADDR_ALE 0x20 /* Addr ALE */
#define PLX_ADDR_ALEPLUS 0x24 /* Next Addr behind ALE */
#define PLX_SUBVEN 0x2C /* Offset SubVendor */
#define PLX_SUBSYS 0x2E /* Offset SubSystem */
/* Application specific registers I20 (Siemens SZB6120H) */
typedef struct {
/* Video front end horizontal configuration register */
volatile u_int i20VFEHorzCfg; /* Offset 00 */
/* Video front end vertical configuration register */
volatile u_int i20VFEVertCfg; /* Offset 04 */
/* Video front end scaler and pixel format register */
volatile u_int i20VFEScaler; /* Offset 08 */
/* Video display top register */
volatile u_int i20VDispTop; /* Offset 0C */
/* Video display bottom register */
volatile u_int i20VDispBottom; /* Offset 10 */
/* Video stride, status and frame grab register */
volatile u_int i20VidFrameGrab;/* Offset 14 */
/* Video display configuration register */
volatile u_int i20VDispCfg; /* Offset 18 */
/* Video masking map top */
volatile u_int i20VMaskTop; /* Offset 1C */
/* Video masking map bottom */
volatile u_int i20VMaskBottom; /* Offset 20 */
/* Overlay control register */
volatile u_int i20OvlyControl; /* Offset 24 */
/* System, PCI and general purpose pins control register */
volatile u_int i20SysControl; /* Offset 28 */
#define sysRESET 0x01000000 /* bit 24:Softreset (Low) */
/* GPIO 4...0: Output fixed for our cfg! */
#define sysCFG 0x000000E0 /* GPIO 7,6,5: Input */
/* General purpose pins and guest bus control register */
volatile u_int i20GuestControl;/* Offset 2C */
#define guestWAIT_CFG 0x00005555 /* 4 PCI waits for all */
#define guestISDN_INT_E 0x01000000 /* ISDN Int en (low) */
#define guestVID_INT_E 0x02000000 /* Video interrupt en (low) */
#define guestADI1_INT_R 0x04000000 /* ADI #1 int req (low) */
#define guestADI2_INT_R 0x08000000 /* ADI #2 int req (low) */
#define guestISDN_RES 0x10000000 /* ISDN reset bit (high) */
#define guestADI1_INT_S 0x20000000 /* ADI #1 int pending (low) */
#define guestADI2_INT_S 0x40000000 /* ADI #2 int pending (low) */
#define guestISDN_INT_S 0x80000000 /* ISAC int pending (low) */
#define g_A4T_JADE_RES 0x01000000 /* JADE Reset (High) */
#define g_A4T_ISAR_RES 0x02000000 /* ISAR Reset (High) */
#define g_A4T_ISAC_RES 0x04000000 /* ISAC Reset (High) */
#define g_A4T_JADE_BOOTR 0x08000000 /* JADE enable boot SRAM (Low) NOT USED */
#define g_A4T_ISAR_BOOTR 0x10000000 /* ISAR enable boot SRAM (Low) NOT USED */
#define g_A4T_JADE_INT_S 0x20000000 /* JADE interrupt pnd (Low) */
#define g_A4T_ISAR_INT_S 0x40000000 /* ISAR interrupt pnd (Low) */
#define g_A4T_ISAC_INT_S 0x80000000 /* ISAC interrupt pnd (Low) */
volatile u_int i20CodeSource; /* Offset 30 */
volatile u_int i20CodeXferCtrl;/* Offset 34 */
volatile u_int i20CodeMemPtr; /* Offset 38 */
volatile u_int i20IntStatus; /* Offset 3C */
volatile u_int i20IntCtrl; /* Offset 40 */
#define intISDN 0x40000000 /* GIRQ1En (ISAC/ADI) (High) */
#define intVID 0x20000000 /* GIRQ0En (VSYNC) (High) */
#define intCOD 0x10000000 /* CodRepIrqEn (High) */
#define intPCI 0x01000000 /* PCI IntA enable (High) */
volatile u_int i20I2CCtrl; /* Offset 44 */
} I20_REGISTER_FILE, *PI20_REGISTER_FILE;
/*
* Postoffice structure for A4T
*
*/
#define PO_OFFSET 0x00000200 /* Postoffice offset from base */
#define GCS_0 0x00000000 /* Guest bus chip selects */
#define GCS_1 0x00100000
#define GCS_2 0x00200000
#define GCS_3 0x00300000
#define PO_READ 0x00000000 /* R/W from/to guest bus */
#define PO_WRITE 0x00800000
#define PO_PEND 0x02000000
#define POSTOFFICE(postoffice) *(volatile unsigned int *)(postoffice)
/* Wait unlimited (don't worry) */
#define __WAITI20__(postoffice) \
do { \
while ((POSTOFFICE(postoffice) & PO_PEND)) ; \
} while (0)
#endif /* __BKM_AX_H__ */
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