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/**
* tpci200.h
*
* driver for the carrier TEWS TPCI-200
*
* Copyright (C) 2009-2012 CERN (www.cern.ch)
* Author: Nicolas Serafini, EIC2 SA
* Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; version 2 of the License.
*/
#ifndef _TPCI200_H_
#define _TPCI200_H_
#include <linux/limits.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/swab.h>
#include <linux/io.h>
#include <linux/ipack.h>
#define TPCI200_NB_SLOT 0x4
#define TPCI200_NB_BAR 0x6
#define TPCI200_VENDOR_ID 0x1498
#define TPCI200_DEVICE_ID 0x30C8
#define TPCI200_SUBVENDOR_ID 0x1498
#define TPCI200_SUBDEVICE_ID 0x300A
#define TPCI200_CFG_MEM_BAR 0
#define TPCI200_IP_INTERFACE_BAR 2
#define TPCI200_IO_ID_INT_SPACES_BAR 3
#define TPCI200_MEM16_SPACE_BAR 4
#define TPCI200_MEM8_SPACE_BAR 5
struct tpci200_regs {
__le16 revision;
/* writes to control should occur with the mutex held to protect
* read-modify-write operations */
__le16 control[4];
__le16 reset;
__le16 status;
u8 reserved[242];
} __packed;
#define TPCI200_IFACE_SIZE 0x100
#define TPCI200_IO_SPACE_OFF 0x0000
#define TPCI200_IO_SPACE_INTERVAL 0x0100
#define TPCI200_IO_SPACE_SIZE 0x0080
#define TPCI200_ID_SPACE_OFF 0x0080
#define TPCI200_ID_SPACE_INTERVAL 0x0100
#define TPCI200_ID_SPACE_SIZE 0x0040
#define TPCI200_INT_SPACE_OFF 0x00C0
#define TPCI200_INT_SPACE_INTERVAL 0x0100
#define TPCI200_INT_SPACE_SIZE 0x0040
#define TPCI200_IOIDINT_SIZE 0x0400
#define TPCI200_MEM8_SPACE_INTERVAL 0x00400000
#define TPCI200_MEM8_SPACE_SIZE 0x00400000
#define TPCI200_MEM16_SPACE_INTERVAL 0x00800000
#define TPCI200_MEM16_SPACE_SIZE 0x00800000
/* control field in tpci200_regs */
#define TPCI200_INT0_EN 0x0040
#define TPCI200_INT1_EN 0x0080
#define TPCI200_INT0_EDGE 0x0010
#define TPCI200_INT1_EDGE 0x0020
#define TPCI200_ERR_INT_EN 0x0008
#define TPCI200_TIME_INT_EN 0x0004
#define TPCI200_RECOVER_EN 0x0002
#define TPCI200_CLK32 0x0001
/* reset field in tpci200_regs */
#define TPCI200_A_RESET 0x0001
#define TPCI200_B_RESET 0x0002
#define TPCI200_C_RESET 0x0004
#define TPCI200_D_RESET 0x0008
/* status field in tpci200_regs */
#define TPCI200_A_TIMEOUT 0x1000
#define TPCI200_B_TIMEOUT 0x2000
#define TPCI200_C_TIMEOUT 0x4000
#define TPCI200_D_TIMEOUT 0x8000
#define TPCI200_A_ERROR 0x0100
#define TPCI200_B_ERROR 0x0200
#define TPCI200_C_ERROR 0x0400
#define TPCI200_D_ERROR 0x0800
#define TPCI200_A_INT0 0x0001
#define TPCI200_A_INT1 0x0002
#define TPCI200_B_INT0 0x0004
#define TPCI200_B_INT1 0x0008
#define TPCI200_C_INT0 0x0010
#define TPCI200_C_INT1 0x0020
#define TPCI200_D_INT0 0x0040
#define TPCI200_D_INT1 0x0080
#define TPCI200_SLOT_INT_MASK 0x00FF
/* PCI Configuration registers. The PCI bridge is a PLX Technology PCI9030. */
#define LAS1_DESC 0x2C
#define LAS2_DESC 0x30
/* Bits in the LAS?_DESC registers */
#define LAS_BIT_BIGENDIAN 24
#define VME_IOID_SPACE "IOID"
#define VME_MEM_SPACE "MEM"
/**
* struct slot_irq - slot IRQ definition.
* @vector Vector number
* @handler Handler called when IRQ arrives
* @arg Handler argument
*
*/
struct slot_irq {
struct ipack_device *holder;
int vector;
irqreturn_t (*handler)(void *);
void *arg;
};
/**
* struct tpci200_slot - data specific to the tpci200 slot.
* @slot_id Slot identification gived to external interface
* @irq Slot IRQ infos
* @io_phys IO physical base address register of the slot
* @id_phys ID physical base address register of the slot
* @int_phys INT physical base address register of the slot
* @mem_phys MEM physical base address register of the slot
*
*/
struct tpci200_slot {
struct slot_irq *irq;
};
/**
* struct tpci200_infos - informations specific of the TPCI200 tpci200.
* @pci_dev PCI device
* @interface_regs Pointer to IP interface space (Bar 2)
* @ioidint_space Pointer to IP ID, IO and INT space (Bar 3)
* @mem8_space Pointer to MEM space (Bar 4)
*
*/
struct tpci200_infos {
struct pci_dev *pdev;
struct pci_device_id *id_table;
struct tpci200_regs __iomem *interface_regs;
void __iomem *cfg_regs;
struct ipack_bus_device *ipack_bus;
};
struct tpci200_board {
unsigned int number;
struct mutex mutex;
spinlock_t regs_lock;
struct tpci200_slot *slots;
struct tpci200_infos *info;
phys_addr_t mod_mem[IPACK_SPACE_COUNT];
};
#endif /* _TPCI200_H_ */
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