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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | /* 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 */ |