1 /* 2 * arch/arm/plat-omap/include/mach/mcbsp.h 3 * 4 * Defines for Multi-Channel Buffered Serial Port 5 * 6 * Copyright (C) 2002 RidgeRun, Inc. 7 * Author: Steve Johnson 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 */ 24 #ifndef __ASM_ARCH_OMAP_MCBSP_H 25 #define __ASM_ARCH_OMAP_MCBSP_H 26 27 #include <linux/spinlock.h> 28 #include <linux/clk.h> 29 30 #define MCBSP_CONFIG_TYPE2 0x2 31 #define MCBSP_CONFIG_TYPE3 0x3 32 #define MCBSP_CONFIG_TYPE4 0x4 33 34 /* Platform specific configuration */ 35 struct omap_mcbsp_ops { 36 void (*request)(unsigned int); 37 void (*free)(unsigned int); 38 }; 39 40 struct omap_mcbsp_platform_data { 41 struct omap_mcbsp_ops *ops; 42 u16 buffer_size; 43 u8 reg_size; 44 u8 reg_step; 45 46 /* McBSP platform and instance specific features */ 47 bool has_wakeup; /* Wakeup capability */ 48 bool has_ccr; /* Transceiver has configuration control registers */ 49 int (*enable_st_clock)(unsigned int, bool); 50 int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src); 51 int (*mux_signal)(struct device *dev, const char *signal, const char *src); 52 }; 53 54 /** 55 * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod 56 * @sidetone: name of the sidetone device 57 */ 58 struct omap_mcbsp_dev_attr { 59 const char *sidetone; 60 }; 61 62 #endif 63