ref3_prphr_int.h

用于TM1300/PNX1300系列DSP（主要用于视频处理）的设备库的源码

/*
 *  +-------------------------------------------------------------------+
 *  | Copyright (c) 1995,1996,1997 by TriMedia Technologies.            |
 *  |                                                                   |
 *  | This software  is furnished under a license  and may only be used |
 *  | and copied in accordance with the terms  and conditions of such a |
 *  | license  and with  the inclusion of this  copyright notice.  This |
 *  | software or any other copies of this software may not be provided |
 *  | or otherwise  made available  to any other person.  The ownership |
 *  | and title of this software is not transferred.                    |
 *  |                                                                   |
 *  | The information  in this software  is subject  to change  without |
 *  | any  prior notice  and should not be construed as a commitment by |
 *  | TriMedia Technologies.                                            |
 *  |                                                                   |
 *  | This  code  and  information  is  provided  "as is"  without  any |
 *  | warranty of any kind,  either expressed or implied, including but |
 *  | not limited  to the implied warranties  of merchantability and/or |
 *  | fitness for any particular purpose.                               |
 *  +-------------------------------------------------------------------+
 *
 *
 *  Module name              : ref3_prphr_int.h    1.4
 *
 *  Last update              : 18:59:27 - 00/11/09
 *
 *  Description              : Defines local typedefs and functions used by ref3 
 *                             peripherals
 *
 *  Revision                 :
 *
 */

#ifndef  _REF3_PRPHR_INT_H
#define  _REF3_PRPHR_INT_H

/********************* Peripheral Init *********************************/
/* Peripheral init is called in dtv_ref3_board_init() */
void ref3_prphr_init(void);

/********************* ISA IO MAP DEVICE INTERFACE *****************/

/********************* PCI Interface **********************************/
/* internal definitions */
#define PCI_IO_BUSY			0x04
#define PCI_IO_DONE			0x08
#define PCI_IO_READ			0x10
#define PCI_IO_WRITE			0x00
#define	PCI_VENDOR_ID_TM1S_IREF	        0x54001131
#define	PCI_VENDOR_ID_SOUTH		0x056510AD

#define CONFIG_TIMEOUT    1000
#define CONFIG_BUSY_BIT   0x01
#define CONFIG_DONE_BIT   0x02

static int		pci_cfg_status(UInt32 bits, UInt32 zero_flag);
static void		pci_cfg_probs(int i);

/********************* PIC  Driver *************************************/
/*-------------------- DEFINITIONS OF PORTS and VALUES ---------------*/
#define MAX_IRQ        0x10
#define PIC_CON_PIN    02
#define M_ICW1         0x20
#define M_ICW2         0x21
#define M_ICW3         0x21
#define M_ICW4         0x21
#define M_OCW1         0x21
#define M_OCW2         0x20
#define M_OCW3         0x20
#define S_ICW1         0xA0
#define S_ICW2         0xA1
#define S_ICW3         0xA1
#define S_ICW4         0xA1
#define S_OCW1         0xA1
#define S_OCW2         0xA0
#define S_OCW3         0xA0

#define ICW1_VAL	0x11	/* ICW1 LTIM ICW4 reqd */
#define M_ICW2_VAL	0x08	/* Vector Dont care */
#define M_ICW3_VAL	0x04	/* Slave connected on Line 2 */
#define ICW4_VAL	0x01	/* Non x86 mode 1 INTA */
#define S_ICW2_VAL	0x70	/* Vector Dont care */
#define S_ICW3_VAL	0x02	/* slave Id = 2 */

#define M_OCW1_VAL	0xFB	 /* LINE 2 is unmasked for slave */
#define S_OCW1_VAL	0xFF

#define POLL_CMD	0x0C	/* OCW3 POLC=1 */
#define EOI_CMD		0x20	/* OCW2 NON-Specific EOI */


static tmLibdevErr_t PICInit(void);
static void PICHandler(void);

/********************* Int C  Driver *********************************/
/* internal definitions */
#define FPGA_INT_ENABLE_REG 	(REF3_ISA_BASE_ADDRESS + 7)
#define FPGA_INT_STATUS_REG 	(REF3_ISA_BASE_ADDRESS + 7)

#endif /* _REF3_PRPHR_INT_H */