| /* Driver for Realtek PCI-Express card reader |
| * Header file |
| * |
| * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. |
| * |
| * 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; either version 2, or (at your option) any |
| * later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| * |
| * 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/init.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/time.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> |
| |
| #include "debug.h" |
| #include "trace.h" |
| #include "general.h" |
| |
| #define CR_DRIVER_NAME "rts5208" |
| |
| #define pci_get_bus_and_slot(bus, devfn) \ |
| pci_get_domain_bus_and_slot(0, (bus), (devfn)) |
| |
| /* |
| * 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) |
| |
| typedef unsigned long DELAY_PARA_T; |
| |
| 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; |
| }; |
| |
| typedef struct rtsx_dev rtsx_dev_t; |
| |
| /* 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; |
| } |
| |
| static inline void get_current_time(u8 *timeval_buf, int buf_len) |
| { |
| struct timeval tv; |
| |
| if (!timeval_buf || (buf_len < 8)) |
| return; |
| |
| do_gettimeofday(&tv); |
| |
| timeval_buf[0] = (u8)(tv.tv_sec >> 24); |
| timeval_buf[1] = (u8)(tv.tv_sec >> 16); |
| timeval_buf[2] = (u8)(tv.tv_sec >> 8); |
| timeval_buf[3] = (u8)(tv.tv_sec); |
| timeval_buf[4] = (u8)(tv.tv_usec >> 24); |
| timeval_buf[5] = (u8)(tv.tv_usec >> 16); |
| timeval_buf[6] = (u8)(tv.tv_usec >> 8); |
| timeval_buf[7] = (u8)(tv.tv_usec); |
| } |
| |
| /* 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}; |
| |
| int rtsx_read_pci_cfg_byte(u8 bus, u8 dev, u8 func, u8 offset, u8 *val); |
| |
| #endif /* __REALTEK_RTSX_H */ |