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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
@file: mmc_defs.h
@abstract: MMC definitions not already defined in _sdio_defs.h
@notice: Copyright (c), 2004-2006 Atheros Communications, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Portions of this code were developed with information supplied from the
* SD Card Association Simplified Specifications. The following conditions and disclaimers may apply:
*
* The following conditions apply to the release of the SD simplified specification (�Simplified
* Specification�) by the SD Card Association. The Simplified Specification is a subset of the complete
* SD Specification which is owned by the SD Card Association. This Simplified Specification is provided
* on a non-confidential basis subject to the disclaimers below. Any implementation of the Simplified
* Specification may require a license from the SD Card Association or other third parties.
* Disclaimers:
* The information contained in the Simplified Specification is presented only as a standard
* specification for SD Cards and SD Host/Ancillary products and is provided "AS-IS" without any
* representations or warranties of any kind. No responsibility is assumed by the SD Card Association for
* any damages, any infringements of patents or other right of the SD Card Association or any third
* parties, which may result from its use. No license is granted by implication, estoppel or otherwise
* under any patent or other rights of the SD Card Association or any third party. Nothing herein shall
* be construed as an obligation by the SD Card Association to disclose or distribute any technical
* information, know-how or other confidential information to any third party.
*
*
* The initial developers of the original code are Seung Yi and Paul Lever
*
* sdio@atheros.com
*
*
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
#ifndef ___MMC_DEFS_H___
#define ___MMC_DEFS_H___
#define MMC_MAX_BUS_CLOCK 20000000 /* max clock speed in hz */
#define MMC_HS_MAX_BUS_CLOCK 52000000 /* MMC PLUS (high speed) max clock rate in hz */
/* R2 (CSD) macros */
#define GET_MMC_CSD_TRANS_SPEED(pR) (pR)[12]
#define GET_MMC_SPEC_VERSION(pR) (((pR)[15] >> 2) & 0x0F)
#define MMC_SPEC_1_0_TO_1_2 0x00
#define MMC_SPEC_1_4 0x01
#define MMC_SPEC_2_0_TO_2_2 0x02
#define MMC_SPEC_3_1 0x03
#define MMC_SPEC_4_0_TO_4_1 0x04
#define MMC_CMD_SWITCH 6
#define MMC_CMD8 8
#define MMC_SWITCH_CMD_SET 0
#define MMC_SWITCH_SET_BITS 1
#define MMC_SWITCH_CLEAR_BITS 2
#define MMC_SWITCH_WRITE_BYTE 3
#define MMC_SWITCH_CMD_SET0 0
#define MMC_SWITCH_BUILD_ARG(cmdset,access,index,value) \
(((cmdset) & 0x07) | (((access) & 0x03) << 24) | (((index) & 0xFF) << 16) | (((value) & 0xFF) << 8))
#define MMC_EXT_CSD_SIZE 512
#define MMC_EXT_S_CMD_SET_OFFSET 504
#define MMC_EXT_MIN_PERF_W_8_52_OFFSET 210
#define MMC_EXT_MIN_PERF_R_8_52_OFFSET 209
#define MMC_EXT_MIN_PERF_W_8_26_4_52_OFFSET 208
#define MMC_EXT_MIN_PERF_R_8_26_4_52_OFFSET 207
#define MMC_EXT_MIN_PERF_W_4_26_OFFSET 206
#define MMC_EXT_MIN_PERF_R_4_56_OFFSET 205
#define MMC_EXT_PWR_CL_26_360_OFFSET 203
#define MMC_EXT_PWR_CL_52_360_OFFSET 202
#define MMC_EXT_PWR_CL_26_195_OFFSET 201
#define MMC_EXT_PWR_CL_52_195_OFFSET 200
#define MMC_EXT_GET_PWR_CLASS(reg) ((reg) & 0xF)
#define MMC_EXT_MAX_PWR_CLASSES 16
#define MMC_EXT_CARD_TYPE_OFFSET 196
#define MMC_EXT_CARD_TYPE_HS_52 (1 << 1)
#define MMC_EXT_CARD_TYPE_HS_26 (1 << 0)
#define MMC_EXT_CSD_VER_OFFSET 194
#define MMC_EXT_VER_OFFSET 192
#define MMC_EXT_VER_1_0 0
#define MMC_EXT_VER_1_1 1
#define MMC_EXT_CMD_SET_OFFSET 191
#define MMC_EXT_CMD_SET_REV_OFFSET 189
#define MMC_EXT_PWR_CLASS_OFFSET 187
#define MMC_EXT_HS_TIMING_OFFSET 185
#define MMC_EXT_HS_TIMING_ENABLE 0x01
#define MMC_EXT_BUS_WIDTH_OFFSET 183
#define MMC_EXT_BUS_WIDTH_1_BIT 0x00
#define MMC_EXT_BUS_WIDTH_4_BIT 0x01
#define MMC_EXT_BUS_WIDTH_8_BIT 0x02
#endif
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