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