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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Driver for Realtek PCI-Express card reader
*
* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
*
* Author:
* Wei WANG (wei_wang@realsil.com.cn)
* Micky Ching (micky_ching@realsil.com.cn)
*/
#ifndef __REALTEK_RTSX_H
#define __REALTEK_RTSX_H
#include <linux/io.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/mutex.h>
#include <linux/cdrom.h>
#include <linux/workqueue.h>
#include <linux/timer.h>
#include <linux/time64.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_devinfo.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_host.h>
#define CR_DRIVER_NAME "rts5208"
/*
* macros for easy use
*/
#define rtsx_writel(chip, reg, value) \
iowrite32(value, (chip)->rtsx->remap_addr + reg)
#define rtsx_readl(chip, reg) \
ioread32((chip)->rtsx->remap_addr + reg)
#define rtsx_writew(chip, reg, value) \
iowrite16(value, (chip)->rtsx->remap_addr + reg)
#define rtsx_readw(chip, reg) \
ioread16((chip)->rtsx->remap_addr + reg)
#define rtsx_writeb(chip, reg, value) \
iowrite8(value, (chip)->rtsx->remap_addr + reg)
#define rtsx_readb(chip, reg) \
ioread8((chip)->rtsx->remap_addr + reg)
#define rtsx_read_config_byte(chip, where, val) \
pci_read_config_byte((chip)->rtsx->pci, where, val)
#define rtsx_write_config_byte(chip, where, val) \
pci_write_config_byte((chip)->rtsx->pci, where, val)
#define wait_timeout_x(task_state, msecs) \
do { \
set_current_state((task_state)); \
schedule_timeout((msecs) * HZ / 1000); \
} while (0)
#define wait_timeout(msecs) wait_timeout_x(TASK_INTERRUPTIBLE, (msecs))
#define STATE_TRANS_NONE 0
#define STATE_TRANS_CMD 1
#define STATE_TRANS_BUF 2
#define STATE_TRANS_SG 3
#define TRANS_NOT_READY 0
#define TRANS_RESULT_OK 1
#define TRANS_RESULT_FAIL 2
#define SCSI_LUN(srb) ((srb)->device->lun)
struct rtsx_chip;
struct rtsx_dev {
struct pci_dev *pci;
/* pci resources */
unsigned long addr;
void __iomem *remap_addr;
int irq;
/* locks */
spinlock_t reg_lock;
struct task_struct *ctl_thread; /* the control thread */
struct task_struct *polling_thread; /* the polling thread */
/* mutual exclusion and synchronization structures */
struct completion cmnd_ready; /* to sleep thread on */
struct completion control_exit; /* control thread exit */
struct completion polling_exit; /* polling thread exit */
struct completion notify; /* thread begin/end */
struct completion scanning_done; /* wait for scan thread */
wait_queue_head_t delay_wait; /* wait during scan, reset */
struct mutex dev_mutex;
/* host reserved buffer */
void *rtsx_resv_buf;
dma_addr_t rtsx_resv_buf_addr;
char trans_result;
char trans_state;
struct completion *done;
/* Whether interrupt handler should care card cd info */
u32 check_card_cd;
struct rtsx_chip *chip;
};
/* Convert between rtsx_dev and the corresponding Scsi_Host */
static inline struct Scsi_Host *rtsx_to_host(struct rtsx_dev *dev)
{
return container_of((void *)dev, struct Scsi_Host, hostdata);
}
static inline struct rtsx_dev *host_to_rtsx(struct Scsi_Host *host)
{
return (struct rtsx_dev *)host->hostdata;
}
/*
* The scsi_lock() and scsi_unlock() macros protect the sm_state and the
* single queue element srb for write access
*/
#define scsi_unlock(host) spin_unlock_irq(host->host_lock)
#define scsi_lock(host) spin_lock_irq(host->host_lock)
#define lock_state(chip) spin_lock_irq(&((chip)->rtsx->reg_lock))
#define unlock_state(chip) spin_unlock_irq(&((chip)->rtsx->reg_lock))
/* struct scsi_cmnd transfer buffer access utilities */
enum xfer_buf_dir {TO_XFER_BUF, FROM_XFER_BUF};
#include "rtsx_chip.h"
#include "rtsx_transport.h"
#include "rtsx_scsi.h"
#include "rtsx_card.h"
#include "rtsx_sys.h"
#include "general.h"
#endif /* __REALTEK_RTSX_H */
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