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Diffstat (limited to 'drivers/staging/rts5139/rts51x_fop.c')
-rw-r--r--drivers/staging/rts5139/rts51x_fop.c292
1 files changed, 0 insertions, 292 deletions
diff --git a/drivers/staging/rts5139/rts51x_fop.c b/drivers/staging/rts5139/rts51x_fop.c
deleted file mode 100644
index 677d18b3dcd5..000000000000
--- a/drivers/staging/rts5139/rts51x_fop.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/* Driver for Realtek RTS51xx USB card reader
- *
- * Copyright(c) 2009 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:
- * wwang (wei_wang@realsil.com.cn)
- * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
- * Maintainer:
- * Edwin Rong (edwin_rong@realsil.com.cn)
- * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
- */
-
-#include "rts51x.h"
-
-#ifdef SUPPORT_FILE_OP
-
-#include <linux/types.h>
-#include <linux/stat.h>
-#include <linux/kref.h>
-#include <linux/slab.h>
-
-#include "rts51x_chip.h"
-#include "rts51x_card.h"
-#include "rts51x_fop.h"
-#include "sd_cprm.h"
-
-#define RTS5139_IOC_MAGIC 0x39
-
-#define RTS5139_IOC_SD_DIRECT _IOWR(RTS5139_IOC_MAGIC, 0xA0, int)
-#define RTS5139_IOC_SD_GET_RSP _IOWR(RTS5139_IOC_MAGIC, 0xA1, int)
-
-static int rts51x_sd_direct_cmnd(struct rts51x_chip *chip,
- struct sd_direct_cmnd *cmnd)
-{
- int retval;
- u8 dir, cmd12, standby, acmd, cmd_idx, rsp_code;
- u8 *buf;
- u32 arg, len;
-
- dir = (cmnd->cmnd[0] >> 3) & 0x03;
- cmd12 = (cmnd->cmnd[0] >> 2) & 0x01;
- standby = (cmnd->cmnd[0] >> 1) & 0x01;
- acmd = cmnd->cmnd[0] & 0x01;
- cmd_idx = cmnd->cmnd[1];
- arg = ((u32) (cmnd->cmnd[2]) << 24) | ((u32) (cmnd->cmnd[3]) << 16) |
- ((u32) (cmnd->cmnd[4]) << 8) | cmnd->cmnd[5];
- len =
- ((u32) (cmnd->cmnd[6]) << 16) | ((u32) (cmnd->cmnd[7]) << 8) |
- cmnd->cmnd[8];
- rsp_code = cmnd->cmnd[9];
-
- if (dir) {
- if (!cmnd->buf || (cmnd->buf_len < len))
- TRACE_RET(chip, STATUS_FAIL);
- }
-
- switch (dir) {
- case 0:
- /* No data */
- retval = ext_rts51x_sd_execute_no_data(chip, chip->card2lun[SD_CARD],
- cmd_idx, standby, acmd,
- rsp_code, arg);
- if (retval != TRANSPORT_GOOD)
- TRACE_RET(chip, STATUS_FAIL);
- break;
-
- case 1:
- /* Read from card */
- buf = kzalloc(cmnd->buf_len, GFP_KERNEL);
- if (!buf)
- TRACE_RET(chip, STATUS_NOMEM);
-
- retval = ext_rts51x_sd_execute_read_data(chip, chip->card2lun[SD_CARD],
- cmd_idx, cmd12, standby, acmd,
- rsp_code, arg, len, buf,
- cmnd->buf_len, 0);
- if (retval != TRANSPORT_GOOD) {
- kfree(buf);
- TRACE_RET(chip, STATUS_FAIL);
- }
-
- retval =
- copy_to_user(cmnd->buf, (void *)buf, cmnd->buf_len);
- if (retval) {
- kfree(buf);
- TRACE_RET(chip, STATUS_NOMEM);
- }
-
- kfree(buf);
- break;
-
- case 2:
- /* Write to card */
- buf = kmalloc(cmnd->buf_len, GFP_KERNEL);
- if (!buf)
- TRACE_RET(chip, STATUS_NOMEM);
-
- retval =
- copy_from_user((void *)buf, cmnd->buf,
- cmnd->buf_len);
- if (retval) {
- kfree(buf);
- TRACE_RET(chip, STATUS_NOMEM);
- }
-
- retval =
- ext_rts51x_sd_execute_write_data(chip, chip->card2lun[SD_CARD],
- cmd_idx, cmd12, standby, acmd,
- rsp_code, arg, len, buf,
- cmnd->buf_len, 0);
- if (retval != TRANSPORT_GOOD) {
- kfree(buf);
- TRACE_RET(chip, STATUS_FAIL);
- }
-
- kfree(buf);
-
- break;
-
- default:
- TRACE_RET(chip, STATUS_FAIL);
- }
-
- return STATUS_SUCCESS;
-}
-
-static int rts51x_sd_get_rsp(struct rts51x_chip *chip, struct sd_rsp *rsp)
-{
- struct sd_info *sd_card = &(chip->sd_card);
- int count = 0, retval;
-
- if (sd_card->pre_cmd_err) {
- sd_card->pre_cmd_err = 0;
- TRACE_RET(chip, STATUS_FAIL);
- }
-
- if (sd_card->last_rsp_type == SD_RSP_TYPE_R0)
- TRACE_RET(chip, STATUS_FAIL);
- else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2)
- count = (rsp->rsp_len < 17) ? rsp->rsp_len : 17;
- else
- count = (rsp->rsp_len < 6) ? rsp->rsp_len : 6;
-
- retval = copy_to_user(rsp->rsp, (void *)sd_card->rsp, count);
- if (retval)
- TRACE_RET(chip, STATUS_NOMEM);
-
- RTS51X_DEBUGP("Response length: %d\n", count);
- RTS51X_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n",
- sd_card->rsp[0], sd_card->rsp[1], sd_card->rsp[2],
- sd_card->rsp[3]);
-
- return STATUS_SUCCESS;
-}
-
-int rts51x_open(struct inode *inode, struct file *filp)
-{
- struct rts51x_chip *chip;
- struct usb_interface *interface;
- int subminor;
- int retval = 0;
-
- subminor = iminor(inode);
-
- interface = usb_find_interface(&rts51x_driver, subminor);
- if (!interface) {
- RTS51X_DEBUGP("%s - error, can't find device for minor %d\n",
- __func__, subminor);
- retval = -ENODEV;
- goto exit;
- }
-
- chip = (struct rts51x_chip *)usb_get_intfdata(interface);
- if (!chip) {
- RTS51X_DEBUGP("Can't find chip\n");
- retval = -ENODEV;
- goto exit;
- }
-
- /* Increase our reference to the host */
- scsi_host_get(rts51x_to_host(chip));
-
- /* lock the device pointers */
- mutex_lock(&(chip->usb->dev_mutex));
-
- /* save our object in the file's private structure */
- filp->private_data = chip;
-
- /* unlock the device pointers */
- mutex_unlock(&chip->usb->dev_mutex);
-
-exit:
- return retval;
-}
-
-int rts51x_release(struct inode *inode, struct file *filp)
-{
- struct rts51x_chip *chip;
-
- chip = (struct rts51x_chip *)filp->private_data;
- if (chip == NULL)
- return -ENODEV;
-
- /* Drop our reference to the host; the SCSI core will free it
- * (and "chip" along with it) when the refcount becomes 0. */
- scsi_host_put(rts51x_to_host(chip));
-
- return 0;
-}
-
-ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count,
- loff_t *f_pos)
-{
- return 0;
-}
-
-ssize_t rts51x_write(struct file *filp, const char __user *buf, size_t count,
- loff_t *f_pos)
-{
- return 0;
-}
-
-long rts51x_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- struct rts51x_chip *chip;
- struct sd_direct_cmnd cmnd;
- struct sd_rsp rsp;
- int retval = 0;
-
- chip = (struct rts51x_chip *)filp->private_data;
- if (chip == NULL)
- return -ENODEV;
-
- /* lock the device pointers */
- mutex_lock(&(chip->usb->dev_mutex));
-
- switch (cmd) {
- case RTS5139_IOC_SD_DIRECT:
- retval =
- copy_from_user((void *)&cmnd, (void __user *)arg,
- sizeof(struct sd_direct_cmnd));
- if (retval) {
- retval = -ENOMEM;
- TRACE_GOTO(chip, exit);
- }
- retval = rts51x_sd_direct_cmnd(chip, &cmnd);
- if (retval != STATUS_SUCCESS) {
- retval = -EIO;
- TRACE_GOTO(chip, exit);
- }
- break;
-
- case RTS5139_IOC_SD_GET_RSP:
- retval =
- copy_from_user(&rsp, (void __user *)arg,
- sizeof(struct sd_rsp));
- if (retval) {
- retval = -ENOMEM;
- TRACE_GOTO(chip, exit);
- }
- retval = rts51x_sd_get_rsp(chip, &rsp);
- if (retval != STATUS_SUCCESS) {
- retval = -EIO;
- TRACE_GOTO(chip, exit);
- }
- break;
-
- default:
- break;
- }
-
-exit:
- /* unlock the device pointers */
- mutex_unlock(&chip->usb->dev_mutex);
-
- return retval;
-}
-
-#endif
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