root/include/linux/fs_uart_pd.h

DEFINITIONS

1. fs_uart_id_scc2fsid
2. fs_uart_id_fsid2scc
3. fs_uart_id_smc2fsid
4. fs_uart_id_fsid2smc
5. fs_uart_get_id

/*
 * Platform information definitions for the CPM Uart driver.
 *
 * 2006 (c) MontaVista Software, Inc.
 * Vitaly Bordug <vbordug@ru.mvista.com>
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2. This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

#ifndef FS_UART_PD_H
#define FS_UART_PD_H

#include <asm/types.h>

enum fs_uart_id {
        fsid_smc1_uart,
        fsid_smc2_uart,
        fsid_scc1_uart,
        fsid_scc2_uart,
        fsid_scc3_uart,
        fsid_scc4_uart,
        fs_uart_nr,
};

static inline int fs_uart_id_scc2fsid(int id)
{
    return fsid_scc1_uart + id - 1;
}

static inline int fs_uart_id_fsid2scc(int id)
{
    return id - fsid_scc1_uart + 1;
}

static inline int fs_uart_id_smc2fsid(int id)
{
    return fsid_smc1_uart + id - 1;
}

static inline int fs_uart_id_fsid2smc(int id)
{
    return id - fsid_smc1_uart + 1;
}

struct fs_uart_platform_info {
        void(*init_ioports)(struct fs_uart_platform_info *);
        /* device specific information */
        int fs_no;              /* controller index */
        char fs_type[4];        /* controller type  */
        u32 uart_clk;
        u8 tx_num_fifo;
        u8 tx_buf_size;
        u8 rx_num_fifo;
        u8 rx_buf_size;
        u8 brg;
        u8 clk_rx;
        u8 clk_tx;
};

static inline int fs_uart_get_id(struct fs_uart_platform_info *fpi)
{
        if(strstr(fpi->fs_type, "SMC"))
                return fs_uart_id_smc2fsid(fpi->fs_no);
        if(strstr(fpi->fs_type, "SCC"))
                return fs_uart_id_scc2fsid(fpi->fs_no);
        return fpi->fs_no;
}

#endif