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/*
* Hardware specific macros, defines and structures
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#ifndef HARDWARE_H
#define HARDWARE_H
#include <asm/param.h> /* For HZ */
/*
* General hardware parameters common to all ISA adapters
*/
#define MAX_CARDS 4 /* The maximum number of cards to
control or probe for. */
#define SIGNATURE 0x87654321 /* Board reset signature */
#define SIG_OFFSET 0x1004 /* Where to find signature in shared RAM */
#define TRACE_OFFSET 0x1008 /* Trace enable word offset in shared RAM */
#define BUFFER_OFFSET 0x1800 /* Beginning of buffers */
/* I/O Port parameters */
#define IOBASE_MIN 0x180 /* Lowest I/O port address */
#define IOBASE_MAX 0x3C0 /* Highest I/O port address */
#define IOBASE_OFFSET 0x20 /* Inter-board I/O port gap used during
probing */
#define FIFORD_OFFSET 0x0
#define FIFOWR_OFFSET 0x400
#define FIFOSTAT_OFFSET 0x1000
#define RESET_OFFSET 0x2800
#define PG0_OFFSET 0x3000 /* Offset from I/O Base for Page 0 register */
#define PG1_OFFSET 0x3400 /* Offset from I/O Base for Page 1 register */
#define PG2_OFFSET 0x3800 /* Offset from I/O Base for Page 2 register */
#define PG3_OFFSET 0x3C00 /* Offset from I/O Base for Page 3 register */
#define FIFO_READ 0 /* FIFO Read register */
#define FIFO_WRITE 1 /* FIFO Write rgister */
#define LO_ADDR_PTR 2 /* Extended RAM Low Addr Pointer */
#define HI_ADDR_PTR 3 /* Extended RAM High Addr Pointer */
#define NOT_USED_1 4
#define FIFO_STATUS 5 /* FIFO Status Register */
#define NOT_USED_2 6
#define MEM_OFFSET 7
#define SFT_RESET 10 /* Reset Register */
#define EXP_BASE 11 /* Shared RAM Base address */
#define EXP_PAGE0 12 /* Shared RAM Page0 register */
#define EXP_PAGE1 13 /* Shared RAM Page1 register */
#define EXP_PAGE2 14 /* Shared RAM Page2 register */
#define EXP_PAGE3 15 /* Shared RAM Page3 register */
#define IRQ_SELECT 16 /* IRQ selection register */
#define MAX_IO_REGS 17 /* Total number of I/O ports */
/* FIFO register values */
#define RF_HAS_DATA 0x01 /* fifo has data */
#define RF_QUART_FULL 0x02 /* fifo quarter full */
#define RF_HALF_FULL 0x04 /* fifo half full */
#define RF_NOT_FULL 0x08 /* fifo not full */
#define WF_HAS_DATA 0x10 /* fifo has data */
#define WF_QUART_FULL 0x20 /* fifo quarter full */
#define WF_HALF_FULL 0x40 /* fifo half full */
#define WF_NOT_FULL 0x80 /* fifo not full */
/* Shared RAM parameters */
#define SRAM_MIN 0xC0000 /* Lowest host shared RAM address */
#define SRAM_MAX 0xEFFFF /* Highest host shared RAM address */
#define SRAM_PAGESIZE 0x4000 /* Size of one RAM page (16K) */
/* Shared RAM buffer parameters */
#define BUFFER_SIZE 0x800 /* The size of a buffer in bytes */
#define BUFFER_BASE BUFFER_OFFSET /* Offset from start of shared RAM
where buffer start */
#define BUFFERS_MAX 16 /* Maximum number of send/receive
buffers per channel */
#define HDLC_PROTO 0x01 /* Frame Format for Layer 2 */
#define BRI_BOARD 0
#define POTS_BOARD 1
#define PRI_BOARD 2
/*
* Specific hardware parameters for the DataCommute/BRI
*/
#define BRI_CHANNELS 2 /* Number of B channels */
#define BRI_BASEPG_VAL 0x98
#define BRI_MAGIC 0x60000 /* Magic Number */
#define BRI_MEMSIZE 0x10000 /* Amount of RAM (64K) */
#define BRI_PARTNO "72-029"
#define BRI_FEATURES ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L3_TRANS;
/*
* Specific hardware parameters for the DataCommute/PRI
*/
#define PRI_CHANNELS 23 /* Number of B channels */
#define PRI_BASEPG_VAL 0x88
#define PRI_MAGIC 0x20000 /* Magic Number */
#define PRI_MEMSIZE 0x100000 /* Amount of RAM (1M) */
#define PRI_PARTNO "72-030"
#define PRI_FEATURES ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L3_TRANS;
/*
* Some handy macros
*/
/* Determine if a channel number is valid for the adapter */
#define IS_VALID_CHANNEL(y,x) ((x>0) && (x <= sc_adapter[y]->channels))
#endif
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