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![Alexander Beregalov](/assets/img/avatar_default.png)
Replace rtsx_alloc_dma_buf() with kfree() back, chip parameter is not used; remove casts. Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
180 lines
4.9 KiB
C
180 lines
4.9 KiB
C
/* Driver for Realtek PCI-Express card reader
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* Header file
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*
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* Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* wwang (wei_wang@realsil.com.cn)
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* No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
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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 <asm/io.h>
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#include <asm/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/version.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.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/time.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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#include "debug.h"
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#include "trace.h"
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#include "general.h"
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#define CR_DRIVER_NAME "rts_pstor"
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#define pci_get_bus_and_slot(bus, devfn) \
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pci_get_domain_bus_and_slot(0, (bus), (devfn))
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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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typedef unsigned long DELAY_PARA_T;
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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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/* mutual exclusion and synchronization structures */
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struct semaphore sema; /* to sleep thread on */
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struct completion notify; /* thread begin/end */
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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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typedef struct rtsx_dev rtsx_dev_t;
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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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static inline void get_current_time(u8 *timeval_buf, int buf_len)
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{
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struct timeval tv;
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if (!timeval_buf || (buf_len < 8))
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return;
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do_gettimeofday(&tv);
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timeval_buf[0] = (u8)(tv.tv_sec >> 24);
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timeval_buf[1] = (u8)(tv.tv_sec >> 16);
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timeval_buf[2] = (u8)(tv.tv_sec >> 8);
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timeval_buf[3] = (u8)(tv.tv_sec);
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timeval_buf[4] = (u8)(tv.tv_usec >> 24);
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timeval_buf[5] = (u8)(tv.tv_usec >> 16);
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timeval_buf[6] = (u8)(tv.tv_usec >> 8);
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timeval_buf[7] = (u8)(tv.tv_usec);
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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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#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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int rtsx_read_pci_cfg_byte(u8 bus, u8 dev, u8 func, u8 offset, u8 *val);
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#endif /* __REALTEK_RTSX_H */
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