mux-omap16xx.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 350 行 · 第 1/2 页

/*
 * linux/include/asm-arm/arch-omap/mux-omap16xx.h
 *
 * Table of the Omap register configurations for the FUNC_MUX and
 * PULL_DWN combinations.
 *
 * Copyright (C) 2003 Nokia Corporation
 *
 * Written by Tony Lindgren <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * NOTE: Please use the following naming style for new pin entries.
 *	 For example, W8_1610_MMC2_DAT0, where:
 *	 - W8	     = ball
 *	 - 1610	     = 1510 or 1610, none if common for both 1510 and 1610
 *	 - MMC2_DAT0 = function
 *
 * Change log:
 *   Added entry for the I2C interface. (02Feb 2004)
 *   Copyright (C) 2004 Texas Instruments
 *
 *   Added entry for the keypad and uwire CS1. (09Mar 2004)
 *   Copyright (C) 2004 Texas Instruments
 *
 *   Renamed as mux-omap16xx.h containing the omap1x specific defines (28Aug 2004)
 *   Copyright (C) 2004 Texas Instruments
 *
 */

#ifndef __ASM_ARCH_MUX_OMAP_H
#define __ASM_ARCH_MUX_OMAP_H

#define PU_PD_SEL_NA		0	/* No pu_pd reg available */
#define PULL_DWN_CTRL_NA	0	/* No pull-down control needed */


#ifdef	CONFIG_OMAP_MUX_DEBUG

#define MUX_REG(reg, mode_offset, mode) .mux_reg_name = "FUNC_MUX_CTRL_"#reg, \
					.mux_reg = FUNC_MUX_CTRL_##reg, \
					.mask_offset = mode_offset, \
					.mask = mode,

#define PULL_REG(reg, bit, status)	.pull_name = "PULL_DWN_CTRL_"#reg, \
					.pull_reg = PULL_DWN_CTRL_##reg, \
					.pull_bit = bit, \
					.pull_val = status,

#define PU_PD_REG(reg, status)		.pu_pd_name = "PU_PD_SEL_"#reg, \
					.pu_pd_reg = PU_PD_SEL_##reg, \
					.pu_pd_val = status,

#else

#define MUX_REG(reg, mode_offset, mode) .mux_reg = FUNC_MUX_CTRL_##reg, \
					.mask_offset = mode_offset, \
					.mask = mode,

#define PULL_REG(reg, bit, status)	.pull_reg = PULL_DWN_CTRL_##reg, \
					.pull_bit = bit, \
					.pull_val = status,

#define PU_PD_REG(reg, status)		.pu_pd_reg = PU_PD_SEL_##reg, \
					.pu_pd_val = status,

#endif  /* CONFIG_OMAP_MUX_DEBUG */

#define MUX_CFG(desc, mux_reg, mode_offset, mode,	\
		pull_reg, pull_bit, pull_status,	\
		pu_pd_reg, pu_pd_status, debug_status)	\
{							\
	.name =	 desc,					\
	.debug = debug_status,				\
	MUX_REG(mux_reg, mode_offset, mode)		\
	PULL_REG(pull_reg, pull_bit, pull_status)	\
	PU_PD_REG(pu_pd_reg, pu_pd_status)		\
},

#define PULL_DISABLED	0
#define PULL_ENABLED	1

#define PULL_DOWN	0
#define PULL_UP		1

typedef struct {
	char *name;
	unsigned char busy;
	unsigned char debug;

	const char *mux_reg_name;
	const unsigned int mux_reg;
	const unsigned char mask_offset;
	const unsigned char mask;

	const char *pull_name;
	const unsigned int pull_reg;
	const unsigned char pull_val;
	const unsigned char pull_bit;

	const char *pu_pd_name;
	const unsigned int pu_pd_reg;
	const unsigned char pu_pd_val;
} reg_cfg_set;

#if defined(__MUX_C__) && defined(CONFIG_OMAP_MUX)

/*
 * Table of various FUNC_MUX and PULL_DWN combinations for each device.
 * See also reg_cfg_t above for the lookup table.
 */
static reg_cfg_set __initdata_or_module
reg_cfg_table[] = {
/*
 *	 description		mux  mode   mux	 pull pull  pull  pu_pd	 pu  dbg
 *				reg  offset mode reg  bit   ena	  reg
 */
MUX_CFG("UART1_TX",		 9,   21,    1,	  2,   3,   0,	 NA,	 0,  0)
MUX_CFG("UART1_RTS",		 9,   12,    1,	  2,   0,   0,	 NA,	 0,  0)

/* UART2 (COM_UART_GATING), conflicts with USB2 */
MUX_CFG("UART2_TX",		 C,   27,    1,	  3,   3,   0,	 NA,	 0,  0)
MUX_CFG("UART2_RX",		 C,   18,    0,	  3,   1,   1,	 NA,	 0,  0)
MUX_CFG("UART2_CTS",		 C,   21,    0,	  3,   1,   1,	 NA,	 0,  0)
MUX_CFG("UART2_RTS",		 C,   24,    1,	  3,   2,   0,	 NA,	 0,  0)

/* UART3 (GIGA_UART_GATING) */
MUX_CFG("UART3_TX",		 6,    0,    1,	  0,  30,   0,	 NA,	 0,  0)
MUX_CFG("UART3_RX",		 6,    3,    0,	  0,  31,   1,	 NA,	 0,  0)
MUX_CFG("UART3_CTS",		 5,   12,    2,	  0,  24,   0,	 NA,	 0,  0)
MUX_CFG("UART3_RTS",		 5,   15,    2,	  0,  25,   0,	 NA,	 0,  0)
MUX_CFG("UART3_CLKREQ",		 9,   27,    0,	  2,   5,   0,	 NA,	 0,  0)
MUX_CFG("UART3_BCLK",		 A,    0,    0,	  2,   6,   0,	 NA,	 0,  0)
MUX_CFG("Y15_1610_UART3_RTS",	 A,    0,    1,	  2,   6,   0,	 NA,	 0,  0)

/* PWT & PWL, conflicts with UART3 */
MUX_CFG("PWT",		 	 6,    0,    2,	  0,  30,   0,	 NA,	 0,  0)
MUX_CFG("PWL",		 	 6,    3,    1,	  0,  31,   1,	 NA,	 0,  0)

/* USB internal master generic */
MUX_CFG("R18_USB_VBUS",		 7,    9,    2,	  1,  11,   0,	 NA,	 0,  1)
MUX_CFG("R18_1510_USB_GPIO0",	 7,    9,    0,	  1,  11,   1,	 NA,	 0,  1)
MUX_CFG("W4_USB_PUEN",		 D,    3,    0,	  3,   5,   1,	 NA,	 0,  1)
MUX_CFG("W4_USB_CLKO",		 D,    3,    1,	  3,   5,   0,	 NA,	 0,  1)
MUX_CFG("W4_USB_HIGHZ",		 D,    3,    4,	  3,   5,   0,	  3,	 0,  1)
MUX_CFG("W4_GPIO58",		 D,    3,    7,	  3,   5,   0,	  3,	 0,  1)

/* USB1 master */
MUX_CFG("USB1_SUSP",		 8,   27,    2,	  1,  27,   0,	 NA,	 0,  1)
MUX_CFG("USB1_SE0",		 9,    0,    2,	  1,  28,   0,	 NA,	 0,  1)
MUX_CFG("W13_1610_USB1_SE0",	 9,    0,    4,	  1,  28,   0,	 NA,	 0,  1)
MUX_CFG("USB1_TXEN",		 9,    3,    2,	  1,  29,   0,	 NA,	 0,  1)
MUX_CFG("USB1_TXD",		 9,   24,    1,	  2,   4,   0,	 NA,	 0,  1)
MUX_CFG("USB1_VP",		 A,    3,    1,	  2,   7,   0,	 NA,	 0,  1)
MUX_CFG("USB1_VM",		 A,    6,    1,	  2,   8,   0,	 NA,	 0,  1)
MUX_CFG("USB1_RCV",		 A,    9,    1,	  2,   9,   0,	 NA,	 0,  1)
MUX_CFG("USB1_SPEED",		 A,   12,    2,	  2,  10,   0,	 NA,	 0,  1)
MUX_CFG("R13_1610_USB1_SPEED",	 A,   12,    5,	  2,  10,   0,	 NA,	 0,  1)
MUX_CFG("R13_1710_USB1_SEO",	 A,   12,    5,   2,  10,   0,   NA,     0,  1)

/* USB2 master */
MUX_CFG("USB2_SUSP",		 B,    3,    1,	  2,  17,   0,	 NA,	 0,  1)
MUX_CFG("USB2_VP",		 B,    6,    1,	  2,  18,   0,	 NA,	 0,  1)