ooops, m4 is already part of the host tools

[openwrt.git] / target / linux / ifxmips / files / drivers / char / ifxmips_ssc.c

diff --git a/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c b/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c
index d5f5845..f8c5f30 100644 (file)
--- a/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c
+++ b/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c
@@ -13,17 +13,19 @@
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  *

- *   Copyright (C) 2006 infineon
- *   Copyright (C) 2007 John Crispin <blogic@openwrt.org> 
+ *   Copyright(C) 2006 infineon
+ *   Copyright(C) 2007 John Crispin <blogic@openwrt.org>

  *
  */
 
  *
  */
 

-// ### TO DO: general issues:
-//            - power management
-//            - interrupt handling (direct/indirect)
-//            - pin/mux-handling (just overall concept due to project dependency)
-//            - multiple instances capability
-//            - slave functionality
+/*
+### TO DO: general issues:
+       - power management
+       - interrupt handling (direct/indirect)
+       - pin/mux-handling (just overall concept due to project dependency)
+       - multiple instances capability
+       - slave functionality
+*/

 
 #include <linux/module.h>
 #include <linux/errno.h>
 
 #include <linux/module.h>
 #include <linux/errno.h>


@@ -42,34 +44,23 @@
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>

-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/bitops.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/uaccess.h>
+#include <linux/bitops.h>

 
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/version.h>
 
 
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/version.h>
 

+#include <asm/system.h>

 #include <asm/ifxmips/ifxmips.h>
 #include <asm/ifxmips/ifxmips_irq.h>
 #include <asm/ifxmips/ifx_ssc_defines.h>
 #include <asm/ifxmips/ifx_ssc.h>
 
 #include <asm/ifxmips/ifxmips.h>
 #include <asm/ifxmips/ifxmips_irq.h>
 #include <asm/ifxmips/ifx_ssc_defines.h>
 #include <asm/ifxmips/ifx_ssc.h>
 

-#ifdef SSC_FRAME_INT_ENABLE
-#undef SSC_FRAME_INT_ENABLE
-#endif
-
-#define not_yet
-
-#define SPI_VINETIC
-
-
-

 /* allow the user to set the major device number */
 /* allow the user to set the major device number */

-static int maj = 0;
+static int maj;

 
 /*
  * This is the per-channel data structure containing pointers, flags
 
 /*
  * This is the per-channel data structure containing pointers, flags


@@ -78,121 +69,56 @@ static int maj = 0;
  */
 static struct ifx_ssc_port *isp;
 
  */
 static struct ifx_ssc_port *isp;
 

-/* prototypes for fops */
-static ssize_t ifx_ssc_read (struct file *, char *, size_t, loff_t *);
-static ssize_t ifx_ssc_write (struct file *, const char *, size_t, loff_t *);
-//static unsigned int ifx_ssc_poll(struct file *, struct poll_table_struct *);
-int ifx_ssc_ioctl (struct inode *, struct file *, unsigned int,
-                  unsigned long);
-int ifx_ssc_open (struct inode *, struct file *);
-int ifx_ssc_close (struct inode *, struct file *);
-

 /* other forward declarations */
 /* other forward declarations */

-static unsigned int ifx_ssc_get_kernel_clk (struct ifx_ssc_port *info);
-static void tx_int (struct ifx_ssc_port *);
+static unsigned int ifx_ssc_get_kernel_clk(struct ifx_ssc_port *info);
+static void tx_int(struct ifx_ssc_port *);

 
 

-extern unsigned int ifxmips_get_fpi_hz (void);
-extern void mask_and_ack_ifxmips_irq (unsigned int irq_nr);
+extern unsigned int ifxmips_get_fpi_hz(void);
+extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr);

 
 

-static struct file_operations ifx_ssc_fops = {
-      .owner = THIS_MODULE,
-      .read = ifx_ssc_read,
-      .write = ifx_ssc_write,
-      .ioctl = ifx_ssc_ioctl,
-      .open = ifx_ssc_open,
-      .release = ifx_ssc_close,
-};
-
-static inline unsigned int
-ifx_ssc_get_kernel_clk (struct ifx_ssc_port *info)
+static inline unsigned int ifx_ssc_get_kernel_clk(struct ifx_ssc_port *info)

 {
        unsigned int rmc;
 
 {
        unsigned int rmc;
 

-       rmc = (readl(IFXMIPS_SSC_CLC) & IFX_CLC_RUN_DIVIDER_MASK) >> IFX_CLC_RUN_DIVIDER_OFFSET;
-       if (rmc == 0)
-       {
-               printk ("ifx_ssc_get_kernel_clk rmc==0 \n");
+       rmc = (ifxmips_r32(IFXMIPS_SSC_CLC) & IFX_CLC_RUN_DIVIDER_MASK) >> IFX_CLC_RUN_DIVIDER_OFFSET;
+       if (rmc == 0) {
+               printk("ifx_ssc_get_kernel_clk rmc==0 \n");

                return 0;
        }
                return 0;
        }

-       return ifxmips_get_fpi_hz () / rmc;
-}
-
-#ifndef not_yet
-#ifdef IFX_SSC_INT_USE_BH
-/*
- * This routine is used by the interrupt handler to schedule
- * processing in the software interrupt portion of the driver
- * (also known as the "bottom half").  This can be called any
- * number of times for any channel without harm.
- */
-static inline void
-ifx_ssc_sched_event (struct ifx_ssc_port *info, int event)
-{
-       info->event |= 1 << event;      /* remember what kind of event and who */
-       queue_task (&info->tqueue, &tq_cyclades);       /* it belongs to */
-       mark_bh (CYCLADES_BH);  /* then trigger event */
+       return ifxmips_get_fpi_hz() / rmc;

 }
 
 }
 

-static void
-do_softint (void *private_)
-{
-       struct ifx_ssc_port *info = (struct ifx_ssc_port *) private_;
-
-       if (test_and_clear_bit (Cy_EVENT_HANGUP, &info->event))
-       {
-               wake_up_interruptible (&info->open_wait);
-               info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CALLOUT_ACTIVE);
-       }
-
-       if (test_and_clear_bit (Cy_EVENT_OPEN_WAKEUP, &info->event))
-               wake_up_interruptible (&info->open_wait);
-
-       if (test_and_clear_bit (Cy_EVENT_DELTA_WAKEUP, &info->event))
-               wake_up_interruptible (&info->delta_msr_wait);
-
-       if (test_and_clear_bit (Cy_EVENT_WRITE_WAKEUP, &info->event))
-               wake_up_interruptible (&tty->write_wait);
-#ifdef Z_WAKE
-       if (test_and_clear_bit (Cy_EVENT_SHUTDOWN_WAKEUP, &info->event))
-               wake_up_interruptible (&info->shutdown_wait);
-#endif
-}
-#endif
-#endif
-
-inline static void
-rx_int (struct ifx_ssc_port *info)
+static inline void rx_int(struct ifx_ssc_port *info)

 {
        int fifo_fill_lev, bytes_in_buf, i;
        unsigned long tmp_val;
        unsigned long *tmp_ptr;
        unsigned int rx_valid_cnt;
        /* number of words waiting in the RX FIFO */
 {
        int fifo_fill_lev, bytes_in_buf, i;
        unsigned long tmp_val;
        unsigned long *tmp_ptr;
        unsigned int rx_valid_cnt;
        /* number of words waiting in the RX FIFO */

-       fifo_fill_lev = (readl(IFXMIPS_SSC_FSTAT) & IFX_SSC_FSTAT_RECEIVED_WORDS_MASK) >> IFX_SSC_FSTAT_RECEIVED_WORDS_OFFSET;
+       fifo_fill_lev = (ifxmips_r32(IFXMIPS_SSC_FSTAT) & IFX_SSC_FSTAT_RECEIVED_WORDS_MASK) >> IFX_SSC_FSTAT_RECEIVED_WORDS_OFFSET;

        bytes_in_buf = info->rxbuf_end - info->rxbuf_ptr;
        bytes_in_buf = info->rxbuf_end - info->rxbuf_ptr;

-       // transfer with 32 bits per entry
+       /* transfer with 32 bits per entry */

        while ((bytes_in_buf >= 4) && (fifo_fill_lev > 0)) {
        while ((bytes_in_buf >= 4) && (fifo_fill_lev > 0)) {

-               tmp_ptr = (unsigned long *) info->rxbuf_ptr;
-               *tmp_ptr = readl(IFXMIPS_SSC_RB);
+               tmp_ptr = (unsigned long *)info->rxbuf_ptr;
+               *tmp_ptr = ifxmips_r32(IFXMIPS_SSC_RB);

                info->rxbuf_ptr += 4;
                info->stats.rxBytes += 4;
                fifo_fill_lev--;
                bytes_in_buf -= 4;
        }
 
                info->rxbuf_ptr += 4;
                info->stats.rxBytes += 4;
                fifo_fill_lev--;
                bytes_in_buf -= 4;
        }
 

-       // now do the rest as mentioned in STATE.RXBV
+       /* now do the rest as mentioned in STATE.RXBV */

        while ((bytes_in_buf > 0) && (fifo_fill_lev > 0)) {
        while ((bytes_in_buf > 0) && (fifo_fill_lev > 0)) {

-               rx_valid_cnt = (readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_RX_BYTE_VALID_MASK) >> IFX_SSC_STATE_RX_BYTE_VALID_OFFSET;
+               rx_valid_cnt = (ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_RX_BYTE_VALID_MASK) >> IFX_SSC_STATE_RX_BYTE_VALID_OFFSET;

                if (rx_valid_cnt == 0)
                        break;
 
                if (rx_valid_cnt > bytes_in_buf)
                        rx_valid_cnt = bytes_in_buf;
 
                if (rx_valid_cnt == 0)
                        break;
 
                if (rx_valid_cnt > bytes_in_buf)
                        rx_valid_cnt = bytes_in_buf;
 

-               tmp_val = readl(IFXMIPS_SSC_RB);
+               tmp_val = ifxmips_r32(IFXMIPS_SSC_RB);

 
 

-               for (i = 0; i < rx_valid_cnt; i++)
-               {
+               for (i = 0; i < rx_valid_cnt; i++) {

                        *info->rxbuf_ptr = (tmp_val >> (8 * (rx_valid_cnt - i - 1))) & 0xff;
                        bytes_in_buf--;
                        info->rxbuf_ptr++;
                        *info->rxbuf_ptr = (tmp_val >> (8 * (rx_valid_cnt - i - 1))) & 0xff;
                        bytes_in_buf--;
                        info->rxbuf_ptr++;


@@ -200,27 +126,24 @@ rx_int (struct ifx_ssc_port *info)
                info->stats.rxBytes += rx_valid_cnt;
        }
 
                info->stats.rxBytes += rx_valid_cnt;
        }
 

-       // check if transfer is complete
-       if (info->rxbuf_ptr >= info->rxbuf_end)
-       {
-               disable_irq(info->rxirq);
-               wake_up_interruptible (&info->rwait);
-       } else if ((info->opts.modeRxTx == IFX_SSC_MODE_RX) && (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) == 0))
-       {
+       /* check if transfer is complete */
+       if (info->rxbuf_ptr >= info->rxbuf_end) {
+               disable_irq(IFXMIPS_SSC_RIR);
+               wake_up_interruptible(&info->rwait);
+       } else if ((info->opts.modeRxTx == IFX_SSC_MODE_RX) && (ifxmips_r32(IFXMIPS_SSC_RXCNT) == 0)) {

                if (info->rxbuf_end - info->rxbuf_ptr < IFX_SSC_RXREQ_BLOCK_SIZE)
                if (info->rxbuf_end - info->rxbuf_ptr < IFX_SSC_RXREQ_BLOCK_SIZE)

-                       writel((info->rxbuf_end - info->rxbuf_ptr) << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ);
+                       ifxmips_w32((info->rxbuf_end - info->rxbuf_ptr) << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ);

                else
                else

-                       writel(IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET,  IFXMIPS_SSC_RXREQ);
+                       ifxmips_w32(IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET,  IFXMIPS_SSC_RXREQ);

        }
 }
 
        }
 }
 

-inline static void
-tx_int (struct ifx_ssc_port *info)
+static inline void tx_int(struct ifx_ssc_port *info)

 {
 
        int fifo_space, fill, i;
 {
 
        int fifo_space, fill, i;

-       fifo_space = ((readl(IFXMIPS_SSC_ID) & IFX_SSC_PERID_TXFS_MASK) >> IFX_SSC_PERID_TXFS_OFFSET)
-               - ((readl(IFXMIPS_SSC_FSTAT) & IFX_SSC_FSTAT_TRANSMIT_WORDS_MASK) >> IFX_SSC_FSTAT_TRANSMIT_WORDS_OFFSET);
+       fifo_space = ((ifxmips_r32(IFXMIPS_SSC_ID) & IFX_SSC_PERID_TXFS_MASK) >> IFX_SSC_PERID_TXFS_OFFSET)
+               -((ifxmips_r32(IFXMIPS_SSC_FSTAT) & IFX_SSC_FSTAT_TRANSMIT_WORDS_MASK) >> IFX_SSC_FSTAT_TRANSMIT_WORDS_OFFSET);

 
        if (fifo_space == 0)
                return;
 
        if (fifo_space == 0)
                return;


@@ -230,72 +153,65 @@ tx_int (struct ifx_ssc_port *info)
        if (fill > fifo_space * 4)
                fill = fifo_space * 4;
 
        if (fill > fifo_space * 4)
                fill = fifo_space * 4;
 

-       for (i = 0; i < fill / 4; i++)
-       {
-               // at first 32 bit access
-               writel(*(UINT32 *) info->txbuf_ptr, IFXMIPS_SSC_TB);
+       for (i = 0; i < fill / 4; i++) {
+               /* at first 32 bit access */
+               ifxmips_w32(*(UINT32 *)info->txbuf_ptr, IFXMIPS_SSC_TB);

                info->txbuf_ptr += 4;
        }
 
        fifo_space -= fill / 4;
        info->stats.txBytes += fill & ~0x3;
        fill &= 0x3;
                info->txbuf_ptr += 4;
        }
 
        fifo_space -= fill / 4;
        info->stats.txBytes += fill & ~0x3;
        fill &= 0x3;

-       if ((fifo_space > 0) & (fill > 1))
-       {
-               // trailing 16 bit access
-               WRITE_PERIPHERAL_REGISTER_16 (*(UINT16 *) info->txbuf_ptr, info->mapbase + IFX_SSC_TB);
+       if ((fifo_space > 0) & (fill > 1)) {
+               /* trailing 16 bit access */
+               WRITE_PERIPHERAL_REGISTER_16(*(UINT16 *)info->txbuf_ptr, info->mapbase + IFX_SSC_TB);

                info->txbuf_ptr += 2;
                info->stats.txBytes += 2;
                fifo_space--;
                fill -= 2;
        }
 
                info->txbuf_ptr += 2;
                info->stats.txBytes += 2;
                fifo_space--;
                fill -= 2;
        }
 

-       if ((fifo_space > 0) & (fill > 0))
-       {
-               // trailing 8 bit access
-               WRITE_PERIPHERAL_REGISTER_8 (*(UINT8 *) info->txbuf_ptr, info->mapbase + IFX_SSC_TB);
+       if ((fifo_space > 0) & (fill > 0)) {
+               /* trailing 8 bit access */
+               WRITE_PERIPHERAL_REGISTER_8(*(UINT8 *)info->txbuf_ptr, info->mapbase + IFX_SSC_TB);

                info->txbuf_ptr++;
                info->stats.txBytes++;
        }
 
                info->txbuf_ptr++;
                info->stats.txBytes++;
        }
 

-       // check if transmission complete
-       if (info->txbuf_ptr >= info->txbuf_end)
-       {
-               disable_irq(info->txirq);
-               kfree (info->txbuf);
+       /* check if transmission complete */
+       if (info->txbuf_ptr >= info->txbuf_end) {
+               disable_irq(IFXMIPS_SSC_TIR);
+               kfree(info->txbuf);

                info->txbuf = NULL;
        }
 
 }
 
                info->txbuf = NULL;
        }
 
 }
 

-irqreturn_t
-ifx_ssc_rx_int (int irq, void *dev_id)
+irqreturn_t ifx_ssc_rx_int(int irq, void *dev_id)

 {
 {

-       struct ifx_ssc_port *info = (struct ifx_ssc_port *) dev_id;
-       rx_int (info);
+       struct ifx_ssc_port *info = (struct ifx_ssc_port *)dev_id;
+       rx_int(info);

 
        return IRQ_HANDLED;
 }
 
 
        return IRQ_HANDLED;
 }
 

-irqreturn_t
-ifx_ssc_tx_int (int irq, void *dev_id)
+irqreturn_t ifx_ssc_tx_int(int irq, void *dev_id)

 {
 {

-       struct ifx_ssc_port *info = (struct ifx_ssc_port *) dev_id;
-       tx_int (info);
+       struct ifx_ssc_port *info = (struct ifx_ssc_port *)dev_id;
+       tx_int(info);

 
        return IRQ_HANDLED;
 }
 
 
        return IRQ_HANDLED;
 }
 

-irqreturn_t
-ifx_ssc_err_int (int irq, void *dev_id)
+irqreturn_t ifx_ssc_err_int(int irq, void *dev_id)

 {
 {

-       struct ifx_ssc_port *info = (struct ifx_ssc_port *) dev_id;
+       struct ifx_ssc_port *info = (struct ifx_ssc_port *)dev_id;

        unsigned int state;
        unsigned int write_back = 0;
        unsigned long flags;
 
        unsigned int state;
        unsigned int write_back = 0;
        unsigned long flags;
 

-       local_irq_save (flags);
-       state = readl(IFXMIPS_SSC_STATE);
+       local_irq_save(flags);
+       state = ifxmips_r32(IFXMIPS_SSC_STATE);

 
        if ((state & IFX_SSC_STATE_RX_UFL) != 0) {
                info->stats.rxUnErr++;
 
        if ((state & IFX_SSC_STATE_RX_UFL) != 0) {
                info->stats.rxUnErr++;


@@ -323,60 +239,59 @@ ifx_ssc_err_int (int irq, void *dev_id)
        }
 
        if (write_back)
        }
 
        if (write_back)

-               writel(write_back, IFXMIPS_SSC_WHBSTATE);
+               ifxmips_w32(write_back, IFXMIPS_SSC_WHBSTATE);

 
 

-       local_irq_restore (flags);
+       local_irq_restore(flags);

 
        return IRQ_HANDLED;
 }
 
 
        return IRQ_HANDLED;
 }
 

-static void
-ifx_ssc_abort (struct ifx_ssc_port *info)
+static void ifx_ssc_abort(struct ifx_ssc_port *info)

 {
        unsigned long flags;
        bool enabled;
 
 {
        unsigned long flags;
        bool enabled;
 

-       local_irq_save (flags);
-
-       disable_irq(info->rxirq);
-       disable_irq(info->txirq);
-       disable_irq(info->errirq);
-
-       local_irq_restore (flags);
+       local_irq_save(flags);

 
 

-       // disable SSC (also aborts a receive request!)
-       // ### TO DO: Perhaps it's better to abort after the receiption of a 
-       // complete word. The disable cuts the transmission immediatly and 
-       // releases the chip selects. This could result in unpredictable 
-       // behavior of connected external devices!
-       enabled = (readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED) != 0;
-       writel(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);
+       disable_irq(IFXMIPS_SSC_RIR);
+       disable_irq(IFXMIPS_SSC_TIR);
+       disable_irq(IFXMIPS_SSC_EIR);

 
 

-       // flush fifos
-       writel(IFX_SSC_XFCON_FIFO_FLUSH, IFXMIPS_SSC_TXFCON);
-       writel(IFX_SSC_XFCON_FIFO_FLUSH, IFXMIPS_SSC_RXFCON);
+       local_irq_restore(flags);

 
 

-       // free txbuf
-       if (info->txbuf != NULL)
-       {
-               kfree (info->txbuf);
+       /* disable SSC(also aborts a receive request!) */
+       /* ### TO DO: Perhaps it's better to abort after the receiption of a
+               complete word. The disable cuts the transmission immediatly and
+               releases the chip selects. This could result in unpredictable
+               behavior of connected external devices!
+       */
+       enabled = (ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED) != 0;
+       ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);
+
+       /* flush fifos */
+       ifxmips_w32(IFX_SSC_XFCON_FIFO_FLUSH, IFXMIPS_SSC_TXFCON);
+       ifxmips_w32(IFX_SSC_XFCON_FIFO_FLUSH, IFXMIPS_SSC_RXFCON);
+
+       /* free txbuf */
+       if (info->txbuf != NULL) {
+               kfree(info->txbuf);

                info->txbuf = NULL;
        }
 
                info->txbuf = NULL;
        }
 

-       // wakeup read process
+       /* wakeup read process */

        if (info->rxbuf != NULL)
        if (info->rxbuf != NULL)

-               wake_up_interruptible (&info->rwait);
+               wake_up_interruptible(&info->rwait);

 
 

-       // clear pending int's 
-       mask_and_ack_ifxmips_irq(info->rxirq);
-       mask_and_ack_ifxmips_irq(info->txirq);
-       mask_and_ack_ifxmips_irq(info->errirq);
+       /* clear pending int's */
+       ifxmips_mask_and_ack_irq(IFXMIPS_SSC_RIR);
+       ifxmips_mask_and_ack_irq(IFXMIPS_SSC_TIR);
+       ifxmips_mask_and_ack_irq(IFXMIPS_SSC_EIR);

 
 

-       // clear error flags
-       writel(IFX_SSC_WHBSTATE_CLR_ALL_ERROR, IFXMIPS_SSC_WHBSTATE);
+       /* clear error flags */
+       ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ALL_ERROR, IFXMIPS_SSC_WHBSTATE);

 
        if (enabled)
 
        if (enabled)

-               writel(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE);
+               ifxmips_w32(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
 }
 
 
 }
 


@@ -384,20 +299,17 @@ ifx_ssc_abort (struct ifx_ssc_port *info)
  * This routine is called whenever a port is opened.  It enforces
  * exclusive opening of a port and enables interrupts, etc.
  */
  * This routine is called whenever a port is opened.  It enforces
  * exclusive opening of a port and enables interrupts, etc.
  */

-int
-ifx_ssc_open (struct inode *inode, struct file *filp)
+int ifx_ssc_open(struct inode *inode, struct file *filp)

 {
        struct ifx_ssc_port *info;
        int line;
        int from_kernel = 0;
 
 {
        struct ifx_ssc_port *info;
        int line;
        int from_kernel = 0;
 

-       if ((inode == (struct inode *) 0) || (inode == (struct inode *) 1)) {
+       if ((inode == (struct inode *)0) || (inode == (struct inode *)1)) {

                from_kernel = 1;
                line = (int) inode;
                from_kernel = 1;
                line = (int) inode;

-       } else {
-               line = MINOR (filp->f_dentry->d_inode->i_rdev);
-               filp->f_op = &ifx_ssc_fops;
-       }
+       } else
+               line = MINOR(filp->f_dentry->d_inode->i_rdev);

 
        /* don't open more minor devices than we can support */
        if (line < 0 || line >= PORT_CNT)
 
        /* don't open more minor devices than we can support */
        if (line < 0 || line >= PORT_CNT)


@@ -410,42 +322,41 @@ ifx_ssc_open (struct inode *inode, struct file *filp)
                return -EBUSY;
        info->port_is_open++;
 
                return -EBUSY;
        info->port_is_open++;
 

-       disable_irq(info->rxirq);
-       disable_irq(info->txirq);
-       disable_irq(info->errirq);
+       disable_irq(IFXMIPS_SSC_RIR);
+       disable_irq(IFXMIPS_SSC_TIR);
+       disable_irq(IFXMIPS_SSC_EIR);

 
        /* Flush and enable TX/RX FIFO */
 
        /* Flush and enable TX/RX FIFO */

-       writel((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_FLUSH | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_TXFCON);
-       writel((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_FLUSH | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_RXFCON);
+       ifxmips_w32((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_FLUSH | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_TXFCON);
+       ifxmips_w32((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_FLUSH | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_RXFCON);

 
        /* logically flush the software FIFOs */
        info->rxbuf_ptr = 0;
        info->txbuf_ptr = 0;
 
        /* clear all error bits */
 
        /* logically flush the software FIFOs */
        info->rxbuf_ptr = 0;
        info->txbuf_ptr = 0;
 
        /* clear all error bits */

-       writel(IFX_SSC_WHBSTATE_CLR_ALL_ERROR, IFXMIPS_SSC_WHBSTATE);
+       ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ALL_ERROR, IFXMIPS_SSC_WHBSTATE);

 
 

-       // clear pending interrupts
-       mask_and_ack_ifxmips_irq(info->rxirq);
-       mask_and_ack_ifxmips_irq(info->txirq);
-       mask_and_ack_ifxmips_irq(info->errirq);
+       /* clear pending interrupts */
+       ifxmips_mask_and_ack_irq(IFXMIPS_SSC_RIR);
+       ifxmips_mask_and_ack_irq(IFXMIPS_SSC_TIR);
+       ifxmips_mask_and_ack_irq(IFXMIPS_SSC_EIR);

 
 

-       writel(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE);
+       ifxmips_w32(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
        return 0;
 }
 EXPORT_SYMBOL(ifx_ssc_open);
 
 
        return 0;
 }
 EXPORT_SYMBOL(ifx_ssc_open);
 

-int
-ifx_ssc_close (struct inode *inode, struct file *filp)
+int ifx_ssc_close(struct inode *inode, struct file *filp)

 {
        struct ifx_ssc_port *info;
        int idx;
 
 {
        struct ifx_ssc_port *info;
        int idx;
 

-       if ((inode == (struct inode *) 0) || (inode == (struct inode *) 1))
+       if ((inode == (struct inode *)0) || (inode == (struct inode *)1))

                idx = (int) inode;
        else
                idx = (int) inode;
        else

-               idx = MINOR (filp->f_dentry->d_inode->i_rdev);
+               idx = MINOR(filp->f_dentry->d_inode->i_rdev);

 
        if (idx < 0 || idx >= PORT_CNT)
                return -ENXIO;
 
        if (idx < 0 || idx >= PORT_CNT)
                return -ENXIO;


@@ -454,7 +365,7 @@ ifx_ssc_close (struct inode *inode, struct file *filp)
        if (!info)
                return -ENXIO;
 
        if (!info)
                return -ENXIO;
 

-       writel(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);
+       ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
        ifx_ssc_abort(info);
 
 
        ifx_ssc_abort(info);
 


@@ -464,26 +375,25 @@ ifx_ssc_close (struct inode *inode, struct file *filp)
 }
 EXPORT_SYMBOL(ifx_ssc_close);
 
 }
 EXPORT_SYMBOL(ifx_ssc_close);
 

-static ssize_t
-ifx_ssc_read_helper_poll (struct ifx_ssc_port *info, char *buf, size_t len, int from_kernel)
+static ssize_t ifx_ssc_read_helper_poll(struct ifx_ssc_port *info, char *buf,
+       size_t len, int from_kernel)

 {
        ssize_t ret_val;
        unsigned long flags;
 
        if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
                return -EFAULT;
 {
        ssize_t ret_val;
        unsigned long flags;
 
        if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
                return -EFAULT;

-       local_irq_save (flags);
+       local_irq_save(flags);

        info->rxbuf_ptr = info->rxbuf;
        info->rxbuf_end = info->rxbuf + len;
        info->rxbuf_ptr = info->rxbuf;
        info->rxbuf_end = info->rxbuf + len;

-       local_irq_restore (flags);
+       local_irq_restore(flags);

        /* Vinetic driver always works in IFX_SSC_MODE_RXTX */
        /* TXRX in poll mode */
        /* Vinetic driver always works in IFX_SSC_MODE_RXTX */
        /* TXRX in poll mode */

-       while (info->rxbuf_ptr < info->rxbuf_end)
-       {
+       while (info->rxbuf_ptr < info->rxbuf_end) {

                if (info->txbuf_ptr < info->txbuf_end)
                if (info->txbuf_ptr < info->txbuf_end)

-                       tx_int (info);
+                       tx_int(info);

 
 

-               rx_int (info);
+               rx_int(info);

        };
 
        ret_val = info->rxbuf_ptr - info->rxbuf;
        };
 
        ret_val = info->rxbuf_ptr - info->rxbuf;


@@ -491,59 +401,56 @@ ifx_ssc_read_helper_poll (struct ifx_ssc_port *info, char *buf, size_t len, int
        return ret_val;
 }
 
        return ret_val;
 }
 

-static ssize_t
-ifx_ssc_read_helper (struct ifx_ssc_port *info, char *buf, size_t len, int from_kernel)
+static ssize_t ifx_ssc_read_helper(struct ifx_ssc_port *info, char *buf,
+       size_t len, int from_kernel)

 {
        ssize_t ret_val;
        unsigned long flags;
 {
        ssize_t ret_val;
        unsigned long flags;

-       DECLARE_WAITQUEUE (wait, current);
+       DECLARE_WAITQUEUE(wait, current);

 
        if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
                return -EFAULT;
 
 
        if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
                return -EFAULT;
 

-       local_irq_save (flags);
+       local_irq_save(flags);

        info->rxbuf_ptr = info->rxbuf;
        info->rxbuf_end = info->rxbuf + len;
 
        info->rxbuf_ptr = info->rxbuf;
        info->rxbuf_end = info->rxbuf + len;
 

-       if (info->opts.modeRxTx == IFX_SSC_MODE_RXTX)
-       {
-               if ((info->txbuf == NULL) || (info->txbuf != info->txbuf_ptr) || (info->txbuf_end != len + info->txbuf))
-               {
-                       local_irq_restore (flags);
-                       printk ("IFX SSC - %s: write must be called before calling " "read in combined RX/TX!\n", __func__);
+       if (info->opts.modeRxTx == IFX_SSC_MODE_RXTX) {
+               if ((info->txbuf == NULL) || (info->txbuf != info->txbuf_ptr) || (info->txbuf_end != len + info->txbuf)) {
+                       local_irq_restore(flags);
+                       printk("IFX SSC - %s: write must be called before calling " "read in combined RX/TX!\n", __func__);

                        return -EFAULT;
                }
 
                local_irq_restore(flags);
                        return -EFAULT;
                }
 
                local_irq_restore(flags);

-               tx_int (info);
+               tx_int(info);

 
                if (info->txbuf_ptr < info->txbuf_end)
 
                if (info->txbuf_ptr < info->txbuf_end)

-                       enable_irq(info->txirq);
+                       enable_irq(IFXMIPS_SSC_TIR);

 
 

-               enable_irq(info->rxirq);
+               enable_irq(IFXMIPS_SSC_RIR);

        } else {
                local_irq_restore(flags);
        } else {
                local_irq_restore(flags);

-               if (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK)
+               if (ifxmips_r32(IFXMIPS_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK)

                        return -EBUSY;
                        return -EBUSY;

-               enable_irq(info->rxirq);
+               enable_irq(IFXMIPS_SSC_RIR);

                if (len < IFX_SSC_RXREQ_BLOCK_SIZE)
                if (len < IFX_SSC_RXREQ_BLOCK_SIZE)

-                       WRITE_PERIPHERAL_REGISTER (len << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ);
+                       ifxmips_w32(len << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ);

                else
                else

-                       WRITE_PERIPHERAL_REGISTER (IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ);
+                       ifxmips_w32(IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ);

        }
 
        }
 

-       __add_wait_queue (&info->rwait, &wait);
-       set_current_state (TASK_INTERRUPTIBLE);
+       __add_wait_queue(&info->rwait, &wait);
+       set_current_state(TASK_INTERRUPTIBLE);

 
        do {
 
        do {

-               local_irq_save (flags);
+               local_irq_save(flags);

                if (info->rxbuf_ptr >= info->rxbuf_end)
                        break;
 
                if (info->rxbuf_ptr >= info->rxbuf_end)
                        break;
 

-               local_irq_restore (flags);
+               local_irq_restore(flags);

 
 

-               if (signal_pending (current))
-               {
+               if (signal_pending(current)) {

                        ret_val = -ERESTARTSYS;
                        goto out;
                }
                        ret_val = -ERESTARTSYS;
                        goto out;
                }


@@ -551,38 +458,33 @@ ifx_ssc_read_helper (struct ifx_ssc_port *info, char *buf, size_t len, int from_
        } while (1);
 
        ret_val = info->rxbuf_ptr - info->rxbuf;
        } while (1);
 
        ret_val = info->rxbuf_ptr - info->rxbuf;

-       local_irq_restore (flags);
+       local_irq_restore(flags);

 
 out:
        current->state = TASK_RUNNING;
 
 out:
        current->state = TASK_RUNNING;

-       __remove_wait_queue (&info->rwait, &wait);
+       __remove_wait_queue(&info->rwait, &wait);

 
 

-       return (ret_val);
+       return ret_val;

 }
 
 }
 

-static ssize_t
-ifx_ssc_write_helper (struct ifx_ssc_port *info, const char *buf,
-                     size_t len, int from_kernel)
+static ssize_t ifx_ssc_write_helper(struct ifx_ssc_port *info, const char *buf,
+       size_t len, int from_kernel)

 {
        if (info->opts.modeRxTx == IFX_SSC_MODE_RX)
                return -EFAULT;
 
        info->txbuf_ptr = info->txbuf;
        info->txbuf_end = len + info->txbuf;
 {
        if (info->opts.modeRxTx == IFX_SSC_MODE_RX)
                return -EFAULT;
 
        info->txbuf_ptr = info->txbuf;
        info->txbuf_end = len + info->txbuf;

-       if (info->opts.modeRxTx == IFX_SSC_MODE_TX)
-       {
-               tx_int (info);
+       if (info->opts.modeRxTx == IFX_SSC_MODE_TX) {
+               tx_int(info);

                if (info->txbuf_ptr < info->txbuf_end)
                if (info->txbuf_ptr < info->txbuf_end)

-               {
-                       enable_irq(info->txirq);
-               }
+                       enable_irq(IFXMIPS_SSC_TIR);

        }
 
        return len;
 }
 
        }
 
        return len;
 }
 

-ssize_t
-ifx_ssc_kread (int port, char *kbuf, size_t len)
+ssize_t ifx_ssc_kread(int port, char *kbuf, size_t len)

 {
        struct ifx_ssc_port *info;
        ssize_t ret_val;
 {
        struct ifx_ssc_port *info;
        ssize_t ret_val;


@@ -595,30 +497,27 @@ ifx_ssc_kread (int port, char *kbuf, size_t len)
 
        info = &isp[port];
 
 
        info = &isp[port];
 

-       if (info->rxbuf != NULL)
-       {
-               printk ("SSC device busy\n");
+       if (info->rxbuf != NULL) {
+               printk("SSC device busy\n");

                return -EBUSY;
        }
 
        info->rxbuf = kbuf;
                return -EBUSY;
        }
 
        info->rxbuf = kbuf;

-       if (info->rxbuf == NULL)
-       {
-               printk ("SSC device error\n");
+       if (info->rxbuf == NULL) {
+               printk("SSC device error\n");

                return -EINVAL;
        }
 
                return -EINVAL;
        }
 

-       ret_val = ifx_ssc_read_helper_poll (info, kbuf, len, 1);
+       ret_val = ifx_ssc_read_helper_poll(info, kbuf, len, 1);

        info->rxbuf = NULL;
 
        info->rxbuf = NULL;
 

-       disable_irq(info->rxirq);
+       disable_irq(IFXMIPS_SSC_RIR);

 
        return ret_val;
 }
 EXPORT_SYMBOL(ifx_ssc_kread);
 
 
        return ret_val;
 }
 EXPORT_SYMBOL(ifx_ssc_kread);
 

-ssize_t
-ifx_ssc_kwrite (int port, const char *kbuf, size_t len)
+ssize_t ifx_ssc_kwrite(int port, const char *kbuf, size_t len)

 {
        struct ifx_ssc_port *info;
        ssize_t ret_val;
 {
        struct ifx_ssc_port *info;
        ssize_t ret_val;


@@ -631,13 +530,13 @@ ifx_ssc_kwrite (int port, const char *kbuf, size_t len)
 
        info = &isp[port];
 
 
        info = &isp[port];
 

-       // check if transmission in progress
+       /* check if transmission in progress */

        if (info->txbuf != NULL)
                return -EBUSY;
 
        if (info->txbuf != NULL)
                return -EBUSY;
 

-       info->txbuf = (char *) kbuf;
+       info->txbuf = (char *)kbuf;

 
 

-       ret_val = ifx_ssc_write_helper (info, info->txbuf, len, 1);
+       ret_val = ifx_ssc_write_helper(info, info->txbuf, len, 1);

 
        if (ret_val < 0)
                info->txbuf = NULL;
 
        if (ret_val < 0)
                info->txbuf = NULL;


@@ -646,94 +545,88 @@ ifx_ssc_kwrite (int port, const char *kbuf, size_t len)
 }
 EXPORT_SYMBOL(ifx_ssc_kwrite);
 
 }
 EXPORT_SYMBOL(ifx_ssc_kwrite);
 

-static ssize_t
-ifx_ssc_read (struct file *filp, char *ubuf, size_t len, loff_t * off)
+static ssize_t ifx_ssc_read(struct file *filp, char *ubuf, size_t len, loff_t *off)

 {
        ssize_t ret_val;
        int idx;
        struct ifx_ssc_port *info;
 
 {
        ssize_t ret_val;
        int idx;
        struct ifx_ssc_port *info;
 

-       idx = MINOR (filp->f_dentry->d_inode->i_rdev);
+       idx = MINOR(filp->f_dentry->d_inode->i_rdev);

        info = &isp[idx];
 
        if (info->rxbuf != NULL)
                return -EBUSY;
 
        info = &isp[idx];
 
        if (info->rxbuf != NULL)
                return -EBUSY;
 

-       info->rxbuf = kmalloc (len + 3, GFP_KERNEL);
+       info->rxbuf = kmalloc(len + 3, GFP_KERNEL);

        if (info->rxbuf == NULL)
                return -ENOMEM;
 
        if (info->rxbuf == NULL)
                return -ENOMEM;
 

-       ret_val = ifx_ssc_read_helper (info, info->rxbuf, len, 0);
-       if (copy_to_user ((void *) ubuf, info->rxbuf, ret_val) != 0)
+       ret_val = ifx_ssc_read_helper(info, info->rxbuf, len, 0);
+       if (copy_to_user((void *)ubuf, info->rxbuf, ret_val) != 0)

                ret_val = -EFAULT;
 
                ret_val = -EFAULT;
 

-       disable_irq(info->rxirq);
+       disable_irq(IFXMIPS_SSC_RIR);

 
 

-       kfree (info->rxbuf);
+       kfree(info->rxbuf);

        info->rxbuf = NULL;
 
        info->rxbuf = NULL;
 

-       return (ret_val);
+       return ret_val;

 }
 
 }
 

-static ssize_t
-ifx_ssc_write (struct file *filp, const char *ubuf, size_t len, loff_t * off)
+static ssize_t ifx_ssc_write(struct file *filp, const char *ubuf, size_t len, loff_t *off)

 {
        int idx;
        struct ifx_ssc_port *info;
        int ret_val;
 
        if (len == 0)
 {
        int idx;
        struct ifx_ssc_port *info;
        int ret_val;
 
        if (len == 0)

-               return (0);
+               return 0;

 
 

-       idx = MINOR (filp->f_dentry->d_inode->i_rdev);
+       idx = MINOR(filp->f_dentry->d_inode->i_rdev);

        info = &isp[idx];
 
        if (info->txbuf != NULL)
                return -EBUSY;
 
        info = &isp[idx];
 
        if (info->txbuf != NULL)
                return -EBUSY;
 

-       info->txbuf = kmalloc (len + 3, GFP_KERNEL);
+       info->txbuf = kmalloc(len + 3, GFP_KERNEL);

        if (info->txbuf == NULL)
                return -ENOMEM;
 
        if (info->txbuf == NULL)
                return -ENOMEM;
 

-       ret_val = copy_from_user (info->txbuf, ubuf, len);
+       ret_val = copy_from_user(info->txbuf, ubuf, len);

        if (ret_val == 0)
        if (ret_val == 0)

-               ret_val = ifx_ssc_write_helper (info, info->txbuf, len, 0);
+               ret_val = ifx_ssc_write_helper(info, info->txbuf, len, 0);

        else
                ret_val = -EFAULT;
 
        else
                ret_val = -EFAULT;
 

-       if (ret_val < 0)
-       {
-               kfree (info->txbuf);
+       if (ret_val < 0) {
+               kfree(info->txbuf);

                info->txbuf = NULL;
        }
 
                info->txbuf = NULL;
        }
 

-       return (ret_val);
+       return ret_val;

 }
 
 }
 

-static struct ifx_ssc_frm_status *
-ifx_ssc_frm_status_get (struct ifx_ssc_port *info)
+static struct ifx_ssc_frm_status *ifx_ssc_frm_status_get(struct ifx_ssc_port *info)

 {
        unsigned long tmp;
 
 {
        unsigned long tmp;
 

-       tmp = readl(IFXMIPS_SSC_SFSTAT);
+       tmp = ifxmips_r32(IFXMIPS_SSC_SFSTAT);

        info->frm_status.DataBusy = (tmp & IFX_SSC_SFSTAT_IN_DATA) > 0;
        info->frm_status.PauseBusy = (tmp & IFX_SSC_SFSTAT_IN_PAUSE) > 0;
        info->frm_status.DataCount = (tmp & IFX_SSC_SFSTAT_DATA_COUNT_MASK) >> IFX_SSC_SFSTAT_DATA_COUNT_OFFSET;
        info->frm_status.PauseCount = (tmp & IFX_SSC_SFSTAT_PAUSE_COUNT_MASK) >> IFX_SSC_SFSTAT_PAUSE_COUNT_OFFSET;
        info->frm_status.DataBusy = (tmp & IFX_SSC_SFSTAT_IN_DATA) > 0;
        info->frm_status.PauseBusy = (tmp & IFX_SSC_SFSTAT_IN_PAUSE) > 0;
        info->frm_status.DataCount = (tmp & IFX_SSC_SFSTAT_DATA_COUNT_MASK) >> IFX_SSC_SFSTAT_DATA_COUNT_OFFSET;
        info->frm_status.PauseCount = (tmp & IFX_SSC_SFSTAT_PAUSE_COUNT_MASK) >> IFX_SSC_SFSTAT_PAUSE_COUNT_OFFSET;

-       tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON);
+       tmp = ifxmips_r32(IFXMIPS_SSC_SFCON);

        info->frm_status.EnIntAfterData = (tmp & IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE) > 0;
        info->frm_status.EnIntAfterPause = (tmp & IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE) > 0;
 
        return &info->frm_status;
 }
 
        info->frm_status.EnIntAfterData = (tmp & IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE) > 0;
        info->frm_status.EnIntAfterPause = (tmp & IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE) > 0;
 
        return &info->frm_status;
 }
 

-
-static struct ifx_ssc_frm_opts *
-ifx_ssc_frm_control_get (struct ifx_ssc_port *info)
+static struct ifx_ssc_frm_opts *ifx_ssc_frm_control_get(struct ifx_ssc_port *info)

 {
        unsigned long tmp;
 
 {
        unsigned long tmp;
 

-       tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON);
+       tmp = ifxmips_r32(IFXMIPS_SSC_SFCON);

        info->frm_opts.FrameEnable = (tmp & IFX_SSC_SFCON_SF_ENABLE) > 0;
        info->frm_opts.DataLength = (tmp & IFX_SSC_SFCON_DATA_LENGTH_MASK) >> IFX_SSC_SFCON_DATA_LENGTH_OFFSET;
        info->frm_opts.PauseLength = (tmp & IFX_SSC_SFCON_PAUSE_LENGTH_MASK) >> IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET;
        info->frm_opts.FrameEnable = (tmp & IFX_SSC_SFCON_SF_ENABLE) > 0;
        info->frm_opts.DataLength = (tmp & IFX_SSC_SFCON_DATA_LENGTH_MASK) >> IFX_SSC_SFCON_DATA_LENGTH_OFFSET;
        info->frm_opts.PauseLength = (tmp & IFX_SSC_SFCON_PAUSE_LENGTH_MASK) >> IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET;


@@ -744,12 +637,10 @@ ifx_ssc_frm_control_get (struct ifx_ssc_port *info)
        return &info->frm_opts;
 }
 
        return &info->frm_opts;
 }
 

-static int
-ifx_ssc_frm_control_set (struct ifx_ssc_port *info)
+static int ifx_ssc_frm_control_set(struct ifx_ssc_port *info)

 {
        unsigned long tmp;
 
 {
        unsigned long tmp;
 

-       // check parameters

        if ((info->frm_opts.DataLength > IFX_SSC_SFCON_DATA_LENGTH_MAX)
            || (info->frm_opts.DataLength < 1)
            || (info->frm_opts.PauseLength > IFX_SSC_SFCON_PAUSE_LENGTH_MAX)
        if ((info->frm_opts.DataLength > IFX_SSC_SFCON_DATA_LENGTH_MAX)
            || (info->frm_opts.DataLength < 1)
            || (info->frm_opts.PauseLength > IFX_SSC_SFCON_PAUSE_LENGTH_MAX)


@@ -758,12 +649,12 @@ ifx_ssc_frm_control_set (struct ifx_ssc_port *info)
            || (info->frm_opts.IdleClock & ~(IFX_SSC_SFCON_PAUSE_CLOCK_MASK >> IFX_SSC_SFCON_PAUSE_CLOCK_OFFSET)))
                return -EINVAL;
 
            || (info->frm_opts.IdleClock & ~(IFX_SSC_SFCON_PAUSE_CLOCK_MASK >> IFX_SSC_SFCON_PAUSE_CLOCK_OFFSET)))
                return -EINVAL;
 

-       // read interrupt bits (they're not changed here)
-       tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON) &
+       /* read interrupt bits(they're not changed here) */
+       tmp = ifxmips_r32(IFXMIPS_SSC_SFCON) &

                (IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE | IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE);
 
                (IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE | IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE);
 

-       // set all values with respect to it's bit position (for data and pause 
-       // length set N-1)
+       /* set all values with respect to it's bit position(for data and pause
+          length set N-1) */

        tmp = (info->frm_opts.DataLength - 1) << IFX_SSC_SFCON_DATA_LENGTH_OFFSET;
        tmp |= (info->frm_opts.PauseLength - 1) << IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET;
        tmp |= info->frm_opts.IdleData << IFX_SSC_SFCON_PAUSE_DATA_OFFSET;
        tmp = (info->frm_opts.DataLength - 1) << IFX_SSC_SFCON_DATA_LENGTH_OFFSET;
        tmp |= (info->frm_opts.PauseLength - 1) << IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET;
        tmp |= info->frm_opts.IdleData << IFX_SSC_SFCON_PAUSE_DATA_OFFSET;


@@ -771,32 +662,30 @@ ifx_ssc_frm_control_set (struct ifx_ssc_port *info)
        tmp |= info->frm_opts.FrameEnable * IFX_SSC_SFCON_SF_ENABLE;
        tmp |= info->frm_opts.StopAfterPause * IFX_SSC_SFCON_STOP_AFTER_PAUSE;
 
        tmp |= info->frm_opts.FrameEnable * IFX_SSC_SFCON_SF_ENABLE;
        tmp |= info->frm_opts.StopAfterPause * IFX_SSC_SFCON_STOP_AFTER_PAUSE;
 

-       WRITE_PERIPHERAL_REGISTER(tmp, info->mapbase + IFX_SSC_SFCON);
+       ifxmips_w32(tmp, IFXMIPS_SSC_SFCON);

 
        return 0;
 }
 
 
        return 0;
 }
 

-static int
-ifx_ssc_rxtx_mode_set (struct ifx_ssc_port *info, unsigned int val)
+static int ifx_ssc_rxtx_mode_set(struct ifx_ssc_port *info, unsigned int val)

 {
        unsigned long tmp;
 
        if (!(info) || (val & ~(IFX_SSC_MODE_MASK)))
                return -EINVAL;
 
 {
        unsigned long tmp;
 
        if (!(info) || (val & ~(IFX_SSC_MODE_MASK)))
                return -EINVAL;
 

-       if ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_BUSY)
-           || (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK))
+       if ((ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_BUSY)
+           || (ifxmips_r32(IFXMIPS_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK))

                return -EBUSY;
 
                return -EBUSY;
 

-       tmp = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CON) & ~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF)) | (val);
-       WRITE_PERIPHERAL_REGISTER (tmp, info->mapbase + IFX_SSC_CON);
+       tmp = (ifxmips_r32(IFXMIPS_SSC_CON) & ~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF)) | (val);
+       ifxmips_w32(tmp, IFXMIPS_SSC_SFCON);

        info->opts.modeRxTx = val;
 
        return 0;
 }
 
        info->opts.modeRxTx = val;
 
        return 0;
 }
 

-static int
-ifx_ssc_sethwopts (struct ifx_ssc_port *info)
+static int ifx_ssc_sethwopts(struct ifx_ssc_port *info)

 {
        unsigned long flags, bits;
        struct ifx_ssc_hwopts *opts = &info->opts;
 {
        unsigned long flags, bits;
        struct ifx_ssc_hwopts *opts = &info->opts;


@@ -827,8 +716,7 @@ ifx_ssc_sethwopts (struct ifx_ssc_port *info)
        if (opts->clockPolarity)
                bits |= IFX_SSC_CON_CLOCK_FALL;
 
        if (opts->clockPolarity)
                bits |= IFX_SSC_CON_CLOCK_FALL;
 

-       switch (opts->modeRxTx)
-       {
+       switch (opts->modeRxTx) {

        case IFX_SSC_MODE_TX:
                bits |= IFX_SSC_CON_RX_OFF;
                break;
        case IFX_SSC_MODE_TX:
                bits |= IFX_SSC_CON_RX_OFF;
                break;


@@ -837,27 +725,27 @@ ifx_ssc_sethwopts (struct ifx_ssc_port *info)
                break;
        }
 
                break;
        }
 

-       local_irq_save (flags);
+       local_irq_save(flags);

 
 

-       WRITE_PERIPHERAL_REGISTER (bits, info->mapbase + IFX_SSC_CON);
-       WRITE_PERIPHERAL_REGISTER ((info->opts.gpoCs << IFX_SSC_GPOCON_ISCSB0_POS) |
-                                  (info->opts.gpoInv << IFX_SSC_GPOCON_INVOUT0_POS), info->mapbase + IFX_SSC_GPOCON);
+       ifxmips_w32(bits, IFXMIPS_SSC_CON);
+       ifxmips_w32((info->opts.gpoCs << IFX_SSC_GPOCON_ISCSB0_POS) |
+                                 (info->opts.gpoInv << IFX_SSC_GPOCON_INVOUT0_POS), IFXMIPS_SSC_GPOCON);

 
 

-       WRITE_PERIPHERAL_REGISTER (info->opts.gpoCs << IFX_SSC_WHBGPOSTAT_SETOUT0_POS, info->mapbase + IFX_SSC_WHBGPOSTAT);
+       ifxmips_w32(info->opts.gpoCs << IFX_SSC_WHBGPOSTAT_SETOUT0_POS, IFXMIPS_SSC_WHBGPOSTAT);

 
 

-       //master mode
+       /* master mode */

        if (opts->masterSelect)
        if (opts->masterSelect)

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_MASTER_SELECT, info->mapbase + IFX_SSC_WHBSTATE);
+               ifxmips_w32(IFX_SSC_WHBSTATE_SET_MASTER_SELECT, IFXMIPS_SSC_WHBSTATE);

        else
        else

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_MASTER_SELECT, info->mapbase + IFX_SSC_WHBSTATE);
+               ifxmips_w32(IFX_SSC_WHBSTATE_CLR_MASTER_SELECT, IFXMIPS_SSC_WHBSTATE);

 
 

-       // init serial framing
-       WRITE_PERIPHERAL_REGISTER (0, info->mapbase + IFX_SSC_SFCON);
+       /* init serial framing */
+       ifxmips_w32(0, IFXMIPS_SSC_SFCON);

        /* set up the port pins */
        /* set up the port pins */

-       //check for general requirements to switch (external) pad/pin characteristics
+       /* check for general requirements to switch(external) pad/pin characteristics */

        /* TODO: P0.9 SPI_CS4, P0.10 SPI_CS5, P 0.11 SPI_CS6, because of ASC0 */
        /* p0.15 SPI_CS1(EEPROM), P0.13 SPI_CS3, */
        /* TODO: P0.9 SPI_CS4, P0.10 SPI_CS5, P 0.11 SPI_CS6, because of ASC0 */
        /* p0.15 SPI_CS1(EEPROM), P0.13 SPI_CS3, */

-       /* Set p0.15 to alternative 01, others to 00 (In/OUT) */
+       /* Set p0.15 to alternative 01, others to 00(In/OUT) */

        *(IFXMIPS_GPIO_P0_DIR) = (*IFXMIPS_GPIO_P0_DIR) | (0xA000);
        *(IFXMIPS_GPIO_P0_ALTSEL0) = (((*IFXMIPS_GPIO_P0_ALTSEL0) | (0x8000)) & (~(0x2000)));
        *(IFXMIPS_GPIO_P0_ALTSEL1) = (((*IFXMIPS_GPIO_P0_ALTSEL1) & (~0x8000)) & (~(0x2000)));
        *(IFXMIPS_GPIO_P0_DIR) = (*IFXMIPS_GPIO_P0_DIR) | (0xA000);
        *(IFXMIPS_GPIO_P0_ALTSEL0) = (((*IFXMIPS_GPIO_P0_ALTSEL0) | (0x8000)) & (~(0x2000)));
        *(IFXMIPS_GPIO_P0_ALTSEL1) = (((*IFXMIPS_GPIO_P0_ALTSEL1) & (~0x8000)) & (~(0x2000)));


@@ -873,13 +761,12 @@ ifx_ssc_sethwopts (struct ifx_ssc_port *info)
        /*TODO: CS4 CS5 CS6 */
        *IFXMIPS_GPIO_P0_OUT = ((*IFXMIPS_GPIO_P0_OUT) | 0x2000);
 
        /*TODO: CS4 CS5 CS6 */
        *IFXMIPS_GPIO_P0_OUT = ((*IFXMIPS_GPIO_P0_OUT) | 0x2000);
 

-       local_irq_restore (flags);
+       local_irq_restore(flags);

 
        return 0;
 }
 
 
        return 0;
 }
 

-static int
-ifx_ssc_set_baud (struct ifx_ssc_port *info, unsigned int baud)
+static int ifx_ssc_set_baud(struct ifx_ssc_port *info, unsigned int baud)

 {
        unsigned int ifx_ssc_clock;
        unsigned int br;
 {
        unsigned int ifx_ssc_clock;
        unsigned int br;


@@ -888,31 +775,30 @@ ifx_ssc_set_baud (struct ifx_ssc_port *info, unsigned int baud)
        int retval = 0;
 
        ifx_ssc_clock = ifx_ssc_get_kernel_clk(info);
        int retval = 0;
 
        ifx_ssc_clock = ifx_ssc_get_kernel_clk(info);

-       if (ifx_ssc_clock == 0)
-       {
+       if (ifx_ssc_clock == 0) {

                retval = -EINVAL;
                goto out;
        }
 
                retval = -EINVAL;
                goto out;
        }
 

-       local_irq_save (flags);
+       local_irq_save(flags);

 
 

-       enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED);
-       WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+       enabled = (ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED);
+       ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
        br = (((ifx_ssc_clock >> 1) + baud / 2) / baud) - 1;
        wmb();
 
        if (br > 0xffff || ((br == 0) &&
 
        br = (((ifx_ssc_clock >> 1) + baud / 2) / baud) - 1;
        wmb();
 
        if (br > 0xffff || ((br == 0) &&

-                       ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_MASTER) == 0))) {
-               local_irq_restore (flags);
-               printk ("%s: invalid baudrate %u\n", __func__, baud);
+                       ((ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_MASTER) == 0))) {
+               local_irq_restore(flags);
+               printk("%s: invalid baudrate %u\n", __func__, baud);

                return -EINVAL;
        }
 
                return -EINVAL;
        }
 

-       WRITE_PERIPHERAL_REGISTER (br, info->mapbase + IFX_SSC_BR);
+       ifxmips_w32(br, IFXMIPS_SSC_BR);

 
        if (enabled)
 
        if (enabled)

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+               ifxmips_w32(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
        local_irq_restore(flags);
 
 
        local_irq_restore(flags);
 


@@ -920,46 +806,41 @@ out:
        return retval;
 }
 
        return retval;
 }
 

-static int
-ifx_ssc_hwinit (struct ifx_ssc_port *info)
+static int ifx_ssc_hwinit(struct ifx_ssc_port *info)

 {
        unsigned long flags;
        bool enabled;
 
 {
        unsigned long flags;
        bool enabled;
 

-       enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED);
-       WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+       enabled = (ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED);
+       ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
 

-       if (ifx_ssc_sethwopts (info) < 0)
-       {
-               printk ("%s: setting the hardware options failed\n", __func__);
+       if (ifx_ssc_sethwopts(info) < 0) {
+               printk("%s: setting the hardware options failed\n", __func__);

                return -EINVAL;
        }
 
                return -EINVAL;
        }
 

-       if (ifx_ssc_set_baud (info, info->baud) < 0)
-       {
-               printk ("%s: setting the baud rate failed\n", __func__);
+       if (ifx_ssc_set_baud(info, info->baud) < 0) {
+               printk("%s: setting the baud rate failed\n", __func__);

                return -EINVAL;
        }
 
                return -EINVAL;
        }
 

-       local_irq_save (flags);
+       local_irq_save(flags);

 
        /* TX FIFO */
 
        /* TX FIFO */

-       WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE,
-                                  info->mapbase + IFX_SSC_TXFCON);
+       ifxmips_w32((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_TXFCON);

        /* RX FIFO */
        /* RX FIFO */

-       WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, 
-                                  info->mapbase + IFX_SSC_RXFCON);
+       ifxmips_w32((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_RXFCON);

 
 

-       local_irq_restore (flags);
+       local_irq_restore(flags);

 
        if (enabled)
 
        if (enabled)

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE);
+               ifxmips_w32(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE);

 
        return 0;
 }
 
 
        return 0;
 }
 

-int
-ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data)
+int ifx_ssc_ioctl(struct inode *inode, struct file *filp,
+       unsigned int cmd, unsigned long data)

 {
        struct ifx_ssc_port *info;
        int line, ret_val = 0;
 {
        struct ifx_ssc_port *info;
        int line, ret_val = 0;


@@ -967,50 +848,46 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne
        unsigned long tmp;
        int from_kernel = 0;
 
        unsigned long tmp;
        int from_kernel = 0;
 

-       if ((inode == (struct inode *) 0) || (inode == (struct inode *) 1))
-       {
+       if ((inode == (struct inode *)0) || (inode == (struct inode *)1)) {

                from_kernel = 1;
                line = (int) inode;
                from_kernel = 1;
                line = (int) inode;

-       } else {
-               line = MINOR (filp->f_dentry->d_inode->i_rdev);
-       }
+       } else
+               line = MINOR(filp->f_dentry->d_inode->i_rdev);

 
        if (line < 0 || line >= PORT_CNT)
                return -ENXIO;
 
        info = &isp[line];
 
 
        if (line < 0 || line >= PORT_CNT)
                return -ENXIO;
 
        info = &isp[line];
 

-       switch (cmd)
-       {
+       switch (cmd) {

        case IFX_SSC_STATS_READ:
                /* data must be a pointer to a struct ifx_ssc_statistics */
                if (from_kernel)
        case IFX_SSC_STATS_READ:
                /* data must be a pointer to a struct ifx_ssc_statistics */
                if (from_kernel)

-                       memcpy ((void *) data, (void *) &info->stats,
-                               sizeof (struct ifx_ssc_statistics));
-               else if (copy_to_user ((void *) data,
-                                      (void *) &info->stats,
-                                      sizeof (struct ifx_ssc_statistics)))
+                       memcpy((void *)data, (void *)&info->stats,
+                               sizeof(struct ifx_ssc_statistics));
+               else if (copy_to_user((void *)data,
+                                     (void *)&info->stats,
+                                      sizeof(struct ifx_ssc_statistics)))

                        ret_val = -EFAULT;
                break;
        case IFX_SSC_STATS_RESET:
                /* just resets the statistics counters */
                        ret_val = -EFAULT;
                break;
        case IFX_SSC_STATS_RESET:
                /* just resets the statistics counters */

-               memset ((void *) &info->stats, 0,
-                       sizeof (struct ifx_ssc_statistics));
+               memset((void *)&info->stats, 0,
+                       sizeof(struct ifx_ssc_statistics));

                break;
        case IFX_SSC_BAUD_SET:
                /* if the buffers are not empty then the port is */
                /* busy and we shouldn't change things on-the-fly! */
                if (!info->txbuf || !info->rxbuf ||
                break;
        case IFX_SSC_BAUD_SET:
                /* if the buffers are not empty then the port is */
                /* busy and we shouldn't change things on-the-fly! */
                if (!info->txbuf || !info->rxbuf ||

-                   (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE)
-                    & IFX_SSC_STATE_BUSY)) {
+                  (ifxmips_r32(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_BUSY)) {

                        ret_val = -EBUSY;
                        break;
                }
                /* misuse flags */
                if (from_kernel)
                        ret_val = -EBUSY;
                        break;
                }
                /* misuse flags */
                if (from_kernel)

-                       flags = *((unsigned long *) data);
-               else if (copy_from_user ((void *) &flags,
-                                        (void *) data, sizeof (flags))) {
+                       flags = *((unsigned long *)data);
+               else if (copy_from_user((void *)&flags,
+                                       (void *)data, sizeof(flags))) {

                        ret_val = -EFAULT;
                        break;
                }
                        ret_val = -EFAULT;
                        break;
                }


@@ -1018,7 +895,7 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne
                        ret_val = -EINVAL;
                        break;
                }
                        ret_val = -EINVAL;
                        break;
                }

-               if (ifx_ssc_set_baud (info, flags) < 0) {
+               if (ifx_ssc_set_baud(info, flags) < 0) {

                        ret_val = -EINVAL;
                        break;
                }
                        ret_val = -EINVAL;
                        break;
                }


@@ -1026,139 +903,132 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne
                break;
        case IFX_SSC_BAUD_GET:
                if (from_kernel)
                break;
        case IFX_SSC_BAUD_GET:
                if (from_kernel)

-                       *((unsigned int *) data) = info->baud;
-               else if (copy_to_user ((void *) data,
-                                      (void *) &info->baud,
-                                      sizeof (unsigned long)))
+                       *((unsigned int *)data) = info->baud;
+               else if (copy_to_user((void *)data,
+                                     (void *)&info->baud,
+                                      sizeof(unsigned long)))

                        ret_val = -EFAULT;
                break;
        case IFX_SSC_RXTX_MODE_SET:
                if (from_kernel)
                        ret_val = -EFAULT;
                break;
        case IFX_SSC_RXTX_MODE_SET:
                if (from_kernel)

-                       tmp = *((unsigned long *) data);
-               else if (copy_from_user ((void *) &tmp,
-                                        (void *) data, sizeof (tmp))) {
+                       tmp = *((unsigned long *)data);
+               else if (copy_from_user((void *)&tmp,
+                                       (void *)data, sizeof(tmp))) {

                        ret_val = -EFAULT;
                        break;
                }
                        ret_val = -EFAULT;
                        break;
                }

-               ret_val = ifx_ssc_rxtx_mode_set (info, tmp);
+               ret_val = ifx_ssc_rxtx_mode_set(info, tmp);

                break;
        case IFX_SSC_RXTX_MODE_GET:
                break;
        case IFX_SSC_RXTX_MODE_GET:

-               tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CON) &
+               tmp = ifxmips_r32(IFXMIPS_SSC_CON) &

                        (~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF));
                if (from_kernel)
                        (~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF));
                if (from_kernel)

-                       *((unsigned int *) data) = tmp;
-               else if (copy_to_user ((void *) data,
-                                      (void *) &tmp, sizeof (tmp)))
+                       *((unsigned int *)data) = tmp;
+               else if (copy_to_user((void *)data,
+                                     (void *)&tmp, sizeof(tmp)))

                        ret_val = -EFAULT;
                break;
 
        case IFX_SSC_ABORT:
                        ret_val = -EFAULT;
                break;
 
        case IFX_SSC_ABORT:

-               ifx_ssc_abort (info);
+               ifx_ssc_abort(info);

                break;
 
        case IFX_SSC_GPO_OUT_SET:
                if (from_kernel)
                break;
 
        case IFX_SSC_GPO_OUT_SET:
                if (from_kernel)

-                       tmp = *((unsigned long *) data);
-               else if (copy_from_user ((void *) &tmp,
-                                        (void *) data, sizeof (tmp))) {
+                       tmp = *((unsigned long *)data);
+               else if (copy_from_user((void *)&tmp,
+                                       (void *)data, sizeof(tmp))) {

                        ret_val = -EFAULT;
                        break;
                }
                if (tmp > IFX_SSC_MAX_GPO_OUT)
                        ret_val = -EINVAL;
                else
                        ret_val = -EFAULT;
                        break;
                }
                if (tmp > IFX_SSC_MAX_GPO_OUT)
                        ret_val = -EINVAL;
                else

-                       WRITE_PERIPHERAL_REGISTER
-                               (1 << (tmp + IFX_SSC_WHBGPOSTAT_SETOUT0_POS),
-                                info->mapbase + IFX_SSC_WHBGPOSTAT);
+                       ifxmips_w32(1 << (tmp + IFX_SSC_WHBGPOSTAT_SETOUT0_POS),
+                                IFXMIPS_SSC_WHBGPOSTAT);

                break;
        case IFX_SSC_GPO_OUT_CLR:
                if (from_kernel)
                break;
        case IFX_SSC_GPO_OUT_CLR:
                if (from_kernel)

-                       tmp = *((unsigned long *) data);
-               else if (copy_from_user ((void *) &tmp,
-                                        (void *) data, sizeof (tmp))) {
+                       tmp = *((unsigned long *)data);
+               else if (copy_from_user((void *)&tmp, (void *)data, sizeof(tmp))) {

                        ret_val = -EFAULT;
                        break;
                }
                if (tmp > IFX_SSC_MAX_GPO_OUT)
                        ret_val = -EINVAL;
                        ret_val = -EFAULT;
                        break;
                }
                if (tmp > IFX_SSC_MAX_GPO_OUT)
                        ret_val = -EINVAL;

-               else {
-                       WRITE_PERIPHERAL_REGISTER
-                               (1 << (tmp + IFX_SSC_WHBGPOSTAT_CLROUT0_POS),
-                                info->mapbase + IFX_SSC_WHBGPOSTAT);
-               }
+               else
+                       ifxmips_w32(1 << (tmp + IFX_SSC_WHBGPOSTAT_CLROUT0_POS),
+                                IFXMIPS_SSC_WHBGPOSTAT);

                break;
        case IFX_SSC_GPO_OUT_GET:
                break;
        case IFX_SSC_GPO_OUT_GET:

-               tmp = READ_PERIPHERAL_REGISTER
-                       (info->mapbase + IFX_SSC_GPOSTAT);
+               tmp = ifxmips_r32(IFXMIPS_SSC_GPOSTAT);

                if (from_kernel)
                if (from_kernel)

-                       *((unsigned int *) data) = tmp;
-               else if (copy_to_user ((void *) data,
-                                      (void *) &tmp, sizeof (tmp)))
+                       *((unsigned int *)data) = tmp;
+               else if (copy_to_user((void *)data,
+                                     (void *)&tmp, sizeof(tmp)))

                        ret_val = -EFAULT;
                break;
        case IFX_SSC_FRM_STATUS_GET:
                        ret_val = -EFAULT;
                break;
        case IFX_SSC_FRM_STATUS_GET:

-               ifx_ssc_frm_status_get (info);
+               ifx_ssc_frm_status_get(info);

                if (from_kernel)
                if (from_kernel)

-                       memcpy ((void *) data, (void *) &info->frm_status,
-                               sizeof (struct ifx_ssc_frm_status));
-               else if (copy_to_user ((void *) data,
-                                      (void *) &info->frm_status,
-                                      sizeof (struct ifx_ssc_frm_status)))
+                       memcpy((void *)data, (void *)&info->frm_status,
+                               sizeof(struct ifx_ssc_frm_status));
+               else if (copy_to_user((void *)data,
+                                     (void *)&info->frm_status,
+                                      sizeof(struct ifx_ssc_frm_status)))

                        ret_val = -EFAULT;
                break;
        case IFX_SSC_FRM_CONTROL_GET:
                        ret_val = -EFAULT;
                break;
        case IFX_SSC_FRM_CONTROL_GET:

-               ifx_ssc_frm_control_get (info);
+               ifx_ssc_frm_control_get(info);

                if (from_kernel)
                if (from_kernel)

-                       memcpy ((void *) data, (void *) &info->frm_opts,
-                               sizeof (struct ifx_ssc_frm_opts));
-               else if (copy_to_user ((void *) data,
-                                      (void *) &info->frm_opts,
-                                      sizeof (struct ifx_ssc_frm_opts)))
+                       memcpy((void *)data, (void *)&info->frm_opts,
+                               sizeof(struct ifx_ssc_frm_opts));
+               else if (copy_to_user((void *)data,
+                                     (void *)&info->frm_opts,
+                                      sizeof(struct ifx_ssc_frm_opts)))

                        ret_val = -EFAULT;
                break;
        case IFX_SSC_FRM_CONTROL_SET:
                if (from_kernel)
                        ret_val = -EFAULT;
                break;
        case IFX_SSC_FRM_CONTROL_SET:
                if (from_kernel)

-                       memcpy ((void *) &info->frm_opts, (void *) data,
-                               sizeof (struct ifx_ssc_frm_opts));
-               else if (copy_to_user ((void *) &info->frm_opts,
-                                      (void *) data,
-                                      sizeof (struct ifx_ssc_frm_opts))) {
+                       memcpy((void *)&info->frm_opts, (void *)data,
+                               sizeof(struct ifx_ssc_frm_opts));
+               else if (copy_to_user((void *)&info->frm_opts,
+                                     (void *)data,
+                                      sizeof(struct ifx_ssc_frm_opts))) {

                        ret_val = -EFAULT;
                        break;
                }
                        ret_val = -EFAULT;
                        break;
                }

-               ret_val = ifx_ssc_frm_control_set (info);
+               ret_val = ifx_ssc_frm_control_set(info);

                break;
        case IFX_SSC_HWOPTS_SET:
                /* data must be a pointer to a struct ifx_ssc_hwopts */
                /* if the buffers are not empty then the port is */
                /* busy and we shouldn't change things on-the-fly! */
                if (!info->txbuf || !info->rxbuf ||
                break;
        case IFX_SSC_HWOPTS_SET:
                /* data must be a pointer to a struct ifx_ssc_hwopts */
                /* if the buffers are not empty then the port is */
                /* busy and we shouldn't change things on-the-fly! */
                if (!info->txbuf || !info->rxbuf ||

-                   (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE)
+                  (ifxmips_r32(IFXMIPS_SSC_STATE)

                     & IFX_SSC_STATE_BUSY)) {
                        ret_val = -EBUSY;
                        break;
                }
                if (from_kernel)
                     & IFX_SSC_STATE_BUSY)) {
                        ret_val = -EBUSY;
                        break;
                }
                if (from_kernel)

-                       memcpy ((void *) &info->opts, (void *) data,
-                               sizeof (struct ifx_ssc_hwopts));
-               else if (copy_from_user ((void *) &info->opts,
-                                        (void *) data,
-                                        sizeof (struct ifx_ssc_hwopts))) {
+                       memcpy((void *)&info->opts, (void *)data,
+                               sizeof(struct ifx_ssc_hwopts));
+               else if (copy_from_user((void *)&info->opts,
+                                       (void *)data, sizeof(struct ifx_ssc_hwopts))) {

                        ret_val = -EFAULT;
                        break;
                }
                        ret_val = -EFAULT;
                        break;
                }

-               if (ifx_ssc_hwinit (info) < 0) {
+               if (ifx_ssc_hwinit(info) < 0)

                        ret_val = -EIO;
                        ret_val = -EIO;

-               }

                break;
        case IFX_SSC_HWOPTS_GET:
                /* data must be a pointer to a struct ifx_ssc_hwopts */
                if (from_kernel)
                break;
        case IFX_SSC_HWOPTS_GET:
                /* data must be a pointer to a struct ifx_ssc_hwopts */
                if (from_kernel)

-                       memcpy ((void *) data, (void *) &info->opts,
-                               sizeof (struct ifx_ssc_hwopts));
-               else if (copy_to_user ((void *) data,
-                                      (void *) &info->opts,
-                                      sizeof (struct ifx_ssc_hwopts)))
+                       memcpy((void *)data, (void *)&info->opts,
+                               sizeof(struct ifx_ssc_hwopts));
+               else if (copy_to_user((void *)data,
+                                     (void *)&info->opts,
+                                      sizeof(struct ifx_ssc_hwopts)))

                        ret_val = -EFAULT;
                break;
        default:
                        ret_val = -EFAULT;
                break;
        default:


@@ -1169,8 +1039,16 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne
 }
 EXPORT_SYMBOL(ifx_ssc_ioctl);
 
 }
 EXPORT_SYMBOL(ifx_ssc_ioctl);
 

-int __init
-ifx_ssc_init (void)
+static struct file_operations ifx_ssc_fops = {
+       .owner = THIS_MODULE,
+       .read = ifx_ssc_read,
+       .write = ifx_ssc_write,
+       .ioctl = ifx_ssc_ioctl,
+       .open = ifx_ssc_open,
+       .release = ifx_ssc_close,
+};
+
+int __init ifx_ssc_init(void)

 {
        struct ifx_ssc_port *info;
        int i, nbytes;
 {
        struct ifx_ssc_port *info;
        int i, nbytes;


@@ -1179,27 +1057,25 @@ ifx_ssc_init (void)
 
        ret_val = -ENOMEM;
        nbytes = PORT_CNT * sizeof(struct ifx_ssc_port);
 
        ret_val = -ENOMEM;
        nbytes = PORT_CNT * sizeof(struct ifx_ssc_port);

-       isp = (struct ifx_ssc_port*)kmalloc(nbytes, GFP_KERNEL);
+       isp = kmalloc(nbytes, GFP_KERNEL);

 
 

-       if (isp == NULL)
-       {
+       if (isp == NULL) {

                printk("%s: no memory for isp\n", __func__);
                printk("%s: no memory for isp\n", __func__);

-               return (ret_val);
+               return ret_val;

        }
        memset(isp, 0, nbytes);
 
        ret_val = -ENXIO;
        }
        memset(isp, 0, nbytes);
 
        ret_val = -ENXIO;

-       if ((i = register_chrdev (maj, "ssc", &ifx_ssc_fops)) < 0)
-       {
-               printk ("Unable to register major %d for the Infineon SSC\n", maj);
-               if (maj == 0)
-               {
+       i = register_chrdev(maj, "ssc", &ifx_ssc_fops);
+       if (i < 0) {
+               printk("Unable to register major %d for the Infineon SSC\n", maj);
+               if (maj == 0) {

                        goto errout;
                } else {
                        maj = 0;
                        goto errout;
                } else {
                        maj = 0;

-                       if ((i = register_chrdev (maj, "ssc", &ifx_ssc_fops)) < 0)
-                       {
-                               printk ("Unable to register major %d for the Infineon SSC\n", maj);
+                       i = register_chrdev(maj, "ssc", &ifx_ssc_fops);
+                       if (i < 0) {
+                               printk("Unable to register major %d for the Infineon SSC\n", maj);

                                goto errout;
                        }
                }
                                goto errout;
                        }
                }


@@ -1233,59 +1109,53 @@ ifx_ssc_init (void)
                info->rxbuf = NULL;
                info->txbuf = NULL;
                /* values specific to SSC1 */
                info->rxbuf = NULL;
                info->txbuf = NULL;
                /* values specific to SSC1 */

-               if (i == 0) {
+               if (i == 0)

                        info->mapbase = IFXMIPS_SSC_BASE_ADDR;
                        info->mapbase = IFXMIPS_SSC_BASE_ADDR;

-                       info->txirq = IFXMIPS_SSC_TIR;
-                       info->rxirq = IFXMIPS_SSC_RIR;
-                       info->errirq = IFXMIPS_SSC_EIR;
-               }

 
 

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_RMC << IFX_CLC_RUN_DIVIDER_OFFSET, info->mapbase + IFX_SSC_CLC);
+               ifxmips_w32(IFX_SSC_DEF_RMC << IFX_CLC_RUN_DIVIDER_OFFSET, IFXMIPS_SSC_CLC);

 
 

-               init_waitqueue_head (&info->rwait);
+               init_waitqueue_head(&info->rwait);

 
 

-               local_irq_save (flags);
+               local_irq_save(flags);

 
 

-               // init serial framing register
-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_SFCON, info->mapbase + IFX_SSC_SFCON);
+               /* init serial framing register */
+               ifxmips_w32(IFX_SSC_DEF_SFCON, IFXMIPS_SSC_SFCON);

 
 

-               ret_val = request_irq(info->txirq, ifx_ssc_tx_int, SA_INTERRUPT, "ifx_ssc_tx", info);
-               if (ret_val)
-               {
-                       printk("%s: unable to get irq %d\n", __func__, info->txirq);
+               ret_val = request_irq(IFXMIPS_SSC_TIR, ifx_ssc_tx_int, IRQF_DISABLED, "ifx_ssc_tx", info);
+               if (ret_val) {
+                       printk("%s: unable to get irq %d\n", __func__, IFXMIPS_SSC_TIR);

                        local_irq_restore(flags);
                        goto errout;
                }
 
                        local_irq_restore(flags);
                        goto errout;
                }
 

-               ret_val = request_irq(info->rxirq, ifx_ssc_rx_int, SA_INTERRUPT, "ifx_ssc_rx", info);
-               if (ret_val)
-               {
-                       printk ("%s: unable to get irq %d\n", __func__, info->rxirq);
-                       local_irq_restore (flags);
+               ret_val = request_irq(IFXMIPS_SSC_RIR, ifx_ssc_rx_int, IRQF_DISABLED, "ifx_ssc_rx", info);
+               if (ret_val) {
+                       printk("%s: unable to get irq %d\n", __func__, IFXMIPS_SSC_RIR);
+                       local_irq_restore(flags);

                        goto irqerr;
                }
 
                        goto irqerr;
                }
 

-               ret_val = request_irq(info->errirq, ifx_ssc_err_int, SA_INTERRUPT,"ifx_ssc_err", info);
-               if (ret_val)
-               {
-                       printk ("%s: unable to get irq %d\n", __func__, info->errirq);
-                       local_irq_restore (flags);
+               ret_val = request_irq(IFXMIPS_SSC_EIR, ifx_ssc_err_int, IRQF_DISABLED, "ifx_ssc_err", info);
+               if (ret_val) {
+                       printk("%s: unable to get irq %d\n", __func__, IFXMIPS_SSC_EIR);
+                       local_irq_restore(flags);

                        goto irqerr;
                }
                        goto irqerr;
                }

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_IRNEN, info->mapbase + IFX_SSC_IRN_EN);
+               ifxmips_w32(IFX_SSC_DEF_IRNEN, IFXMIPS_SSC_IRN);

 
 

-               enable_irq(info->txirq);
-               enable_irq(info->rxirq);
-               enable_irq(info->errirq);
+               #if 0
+               enable_irq(IFXMIPS_SSC_TIR);
+               enable_irq(IFXMIPS_SSC_RIR);
+               enable_irq(IFXMIPS_SSC_EIR);
+               #endif

 
 

-               local_irq_restore (flags);
+               local_irq_restore(flags);

        }
 
        for (i = 0; i < PORT_CNT; i++) {
                info = &isp[i];
        }
 
        for (i = 0; i < PORT_CNT; i++) {
                info = &isp[i];

-               if (ifx_ssc_hwinit (info) < 0)
-               {
-                       printk ("%s: hardware init failed for port %d\n", __func__, i);
+               if (ifx_ssc_hwinit(info) < 0) {
+                       printk("%s: hardware init failed for port %d\n", __func__, i);

                        goto irqerr;
                }
        }
                        goto irqerr;
                }
        }


@@ -1294,58 +1164,55 @@ ifx_ssc_init (void)
        return 0;
 
 irqerr:
        return 0;
 
 irqerr:

-       free_irq(isp[0].txirq, &isp[0]);
-       free_irq(isp[0].rxirq, &isp[0]);
-       free_irq(isp[0].errirq, &isp[0]);
+       free_irq(IFXMIPS_SSC_TIR, &isp[0]);
+       free_irq(IFXMIPS_SSC_RIR, &isp[0]);
+       free_irq(IFXMIPS_SSC_EIR, &isp[0]);

 errout:
 errout:

-       kfree (isp);
-       return (ret_val);
+       kfree(isp);
+       return ret_val;

 }
 
 }
 

-void
-ifx_ssc_cleanup_module (void)
+void __exit ifx_ssc_cleanup_module(void)

 {
        int i;
 
        for (i = 0; i < PORT_CNT; i++) {
 {
        int i;
 
        for (i = 0; i < PORT_CNT; i++) {

-               WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, isp[i].mapbase + IFX_SSC_WHBSTATE);
-               free_irq(isp[i].txirq, &isp[i]);
-               free_irq(isp[i].rxirq, &isp[i]);
-               free_irq(isp[i].errirq, &isp[i]);
+               ifxmips_w32(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE);
+               free_irq(IFXMIPS_SSC_TIR, &isp[i]);
+               free_irq(IFXMIPS_SSC_RIR, &isp[i]);
+               free_irq(IFXMIPS_SSC_EIR, &isp[i]);

        }
        }

-       kfree (isp);
+       kfree(isp);

 }
 
 module_init(ifx_ssc_init);
 module_exit(ifx_ssc_cleanup_module);
 
 }
 
 module_init(ifx_ssc_init);
 module_exit(ifx_ssc_cleanup_module);
 

-
-inline int
-ifx_ssc_cs_low (u32 pin)
+inline int ifx_ssc_cs_low(u32 pin)

 {
        int ret = 0;
 {
        int ret = 0;

-       if ((ret = ifx_ssc_ioctl ((struct inode *) 0, NULL, IFX_SSC_GPO_OUT_CLR, (unsigned long) &pin)))
-               printk ("clear CS %d fails\n", pin);
-       wmb ();
+       ret = ifx_ssc_ioctl((struct inode *)0, NULL, IFX_SSC_GPO_OUT_CLR, (unsigned long) &pin);
+       if (ret)
+               printk("clear CS %d fails\n", pin);
+       wmb();

 
        return ret;
 }
 EXPORT_SYMBOL(ifx_ssc_cs_low);
 
 
        return ret;
 }
 EXPORT_SYMBOL(ifx_ssc_cs_low);
 

-inline int
-ifx_ssc_cs_high (u32 pin)
+inline int ifx_ssc_cs_high(u32 pin)

 {
        int ret = 0;
 {
        int ret = 0;

-       if ((ret = ifx_ssc_ioctl((struct inode *) 0, NULL, IFX_SSC_GPO_OUT_SET, (unsigned long) &pin)))
-               printk ("set CS %d fails\n", pin);
-       wmb ();
+       ret = ifx_ssc_ioctl((struct inode *)0, NULL, IFX_SSC_GPO_OUT_SET, (unsigned long) &pin);
+       if (ret)
+               printk("set CS %d fails\n", pin);
+       wmb();

 
        return ret;
 }
 EXPORT_SYMBOL(ifx_ssc_cs_high);
 
 
        return ret;
 }
 EXPORT_SYMBOL(ifx_ssc_cs_high);
 

-static int
-ssc_session (char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)
+static int ssc_session(char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)

 {
        int ret = 0;
 
 {
        int ret = 0;
 


@@ -1355,132 +1222,100 @@ ssc_session (char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)
        u8 mode = 0;
 
        if (tx_buf == NULL && tx_len == 0 && rx_buf == NULL && rx_len == 0) {
        u8 mode = 0;
 
        if (tx_buf == NULL && tx_len == 0 && rx_buf == NULL && rx_len == 0) {

-               printk ("invalid parameters\n");
+               printk("invalid parameters\n");

                ret = -EINVAL;
                goto ssc_session_exit;
                ret = -EINVAL;
                goto ssc_session_exit;

-       }
-       else if (tx_buf == NULL || tx_len == 0) {
+       } else if (tx_buf == NULL || tx_len == 0) {

                if (rx_buf != NULL && rx_len != 0) {
                        mode = IFX_SSC_MODE_RX;
                if (rx_buf != NULL && rx_len != 0) {
                        mode = IFX_SSC_MODE_RX;

-               }
-               else {
-                       printk ("invalid parameters\n");
+               } else {
+                       printk("invalid parameters\n");

                        ret = -EINVAL;
                        goto ssc_session_exit;
                }
                        ret = -EINVAL;
                        goto ssc_session_exit;
                }

-       }
-       else if (rx_buf == NULL || rx_len == 0) {
-               if (tx_buf != NULL && tx_len != 0) {
+       } else if (rx_buf == NULL || rx_len == 0) {
+               if (tx_buf != NULL && tx_len != 0)

                        mode = IFX_SSC_MODE_TX;
                        mode = IFX_SSC_MODE_TX;

-               }

                else {
                else {

-                       printk ("invalid parameters\n");
+                       printk("invalid parameters\n");

                        ret = -EINVAL;
                        goto ssc_session_exit;
                }
                        ret = -EINVAL;
                        goto ssc_session_exit;
                }

-       }
-       else {
+       } else

                mode = IFX_SSC_MODE_RXTX;
                mode = IFX_SSC_MODE_RXTX;

-       }

 
 

-       if (mode == IFX_SSC_MODE_RXTX) {
+       if (mode == IFX_SSC_MODE_RXTX)

                eff_size = tx_len + rx_len;
                eff_size = tx_len + rx_len;

-       }
-       else if (mode == IFX_SSC_MODE_RX) {
+       else if (mode == IFX_SSC_MODE_RX)

                eff_size = rx_len;
                eff_size = rx_len;

-       }
-       else {
+       else

                eff_size = tx_len;
                eff_size = tx_len;

-       }

 
 

-       //4 bytes alignment,  required by driver
-       /* change by TaiCheng */
-       //if (in_irq()){
-       if (1) {
-               ssc_tx_buf =
-                       (char *) kmalloc (sizeof (char) *
-                                         ((eff_size + 3) & (~3)),
-                                         GFP_ATOMIC);
-               ssc_rx_buf =
-                       (char *) kmalloc (sizeof (char) *
-                                         ((eff_size + 3) & (~3)),
-                                         GFP_ATOMIC);
-       }
-       else {
-               ssc_tx_buf =
-                       (char *) kmalloc (sizeof (char) *
-                                         ((eff_size + 3) & (~3)),
-                                         GFP_KERNEL);
-               ssc_rx_buf =
-                       (char *) kmalloc (sizeof (char) *
-                                         ((eff_size + 3) & (~3)),
-                                         GFP_KERNEL);
-       }
+       /* 4 bytes alignment, required by driver */
+       ssc_tx_buf = kmalloc(sizeof(char) *
+                                ((eff_size + 3) & (~3)),
+                                 GFP_ATOMIC);
+       ssc_rx_buf = kmalloc(sizeof(char) *
+                                ((eff_size + 3) & (~3)),
+                                 GFP_ATOMIC);

        if (ssc_tx_buf == NULL || ssc_rx_buf == NULL) {
        if (ssc_tx_buf == NULL || ssc_rx_buf == NULL) {

-               printk ("no memory for size of %d\n", eff_size);
+               printk("no memory for size of %d\n", eff_size);

                ret = -ENOMEM;
                goto ssc_session_exit;
        }
                ret = -ENOMEM;
                goto ssc_session_exit;
        }

-       memset ((void *) ssc_tx_buf, 0, eff_size);
-       memset ((void *) ssc_rx_buf, 0, eff_size);
+       memset((void *)ssc_tx_buf, 0, eff_size);
+       memset((void *)ssc_rx_buf, 0, eff_size);

 
 

-       if (tx_len > 0) {
-               memcpy (ssc_tx_buf, tx_buf, tx_len);
-       }
+       if (tx_len > 0)
+               memcpy(ssc_tx_buf, tx_buf, tx_len);

 
 

-       ret = ifx_ssc_kwrite (0, ssc_tx_buf, eff_size);
+       ret = ifx_ssc_kwrite(0, ssc_tx_buf, eff_size);

 
 

-       if (ret > 0) {
-               ssc_tx_buf = NULL;      //should be freed by ifx_ssc_kwrite
-       }
+       if (ret > 0)
+               ssc_tx_buf = NULL;      /* should be freed by ifx_ssc_kwrite */

 
        if (ret != eff_size) {
 
        if (ret != eff_size) {

-               printk ("ifx_ssc_write return %d\n", ret);
+               printk("ifx_ssc_write return %d\n", ret);

                goto ssc_session_exit;
        }
                goto ssc_session_exit;
        }

-       ret = ifx_ssc_kread (0, ssc_rx_buf, eff_size);
+       ret = ifx_ssc_kread(0, ssc_rx_buf, eff_size);

        if (ret != eff_size) {
        if (ret != eff_size) {

-               printk ("ifx_ssc_read return %d\n", ret);
+               printk("ifx_ssc_read return %d\n", ret);

                goto ssc_session_exit;
        }
 
                goto ssc_session_exit;
        }
 

-       memcpy (rx_buf, ssc_rx_buf + tx_len, rx_len);
+       memcpy(rx_buf, ssc_rx_buf + tx_len, rx_len);

 
 

-       if (mode == IFX_SSC_MODE_TX) {
+       if (mode == IFX_SSC_MODE_TX)

                ret = tx_len;
                ret = tx_len;

-       }
-       else {
+       else

                ret = rx_len;
                ret = rx_len;

-       }
-      ssc_session_exit:

 
 

+ssc_session_exit:

        if (ssc_tx_buf != NULL)
        if (ssc_tx_buf != NULL)

-               kfree (ssc_tx_buf);
+               kfree(ssc_tx_buf);

        if (ssc_rx_buf != NULL)
        if (ssc_rx_buf != NULL)

-               kfree (ssc_rx_buf);
+               kfree(ssc_rx_buf);
+
+       if (ret < 0)
+               printk("ssc session fails\n");

 
 

-       if (ret < 0) {
-               printk ("ssc session fails\n");
-       }

        return ret;
 }
 
        return ret;
 }
 

-int
-ifx_ssc_txrx (char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)
+int ifx_ssc_txrx(char *tx_buf, u32 tx_len, char *rx_buf, u32 rx_len)

 {
        return ssc_session(tx_buf, tx_len, rx_buf, rx_len);
 }
 EXPORT_SYMBOL(ifx_ssc_txrx);
 
 {
        return ssc_session(tx_buf, tx_len, rx_buf, rx_len);
 }
 EXPORT_SYMBOL(ifx_ssc_txrx);
 

-int
-ifx_ssc_tx (char *tx_buf, u32 tx_len)
+int ifx_ssc_tx(char *tx_buf, u32 tx_len)

 {
        return ssc_session(tx_buf, tx_len, NULL, 0);
 }
 EXPORT_SYMBOL(ifx_ssc_tx);
 
 {
        return ssc_session(tx_buf, tx_len, NULL, 0);
 }
 EXPORT_SYMBOL(ifx_ssc_tx);
 

-int
-ifx_ssc_rx (char *rx_buf, u32 rx_len)
+int ifx_ssc_rx(char *rx_buf, u32 rx_len)

 {
        return ssc_session(NULL, 0, rx_buf, rx_len);
 }
 {
        return ssc_session(NULL, 0, rx_buf, rx_len);
 }