fs_uart_pd.h

Go to the documentation of this file.

/*
 * Platform information definitions for the CPM Uart driver.
 *
 * 2006 (c) MontaVista Software, Inc.
 * Vitaly Bordug <[email protected]>
 *
 * 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