SDIO card identification

1 files changed, 90 insertions, 0 deletions

diff --git a/sys/dev/sdmmc/sdmmc_ioreg.h b/sys/dev/sdmmc/sdmmc_ioreg.h
new file mode 100644
index 00000000000..7c36d941583
--- /dev/null
+++ b/sys/dev/sdmmc/sdmmc_ioreg.h
@@ -0,0 +1,90 @@
+/*	$OpenBSD: sdmmc_ioreg.h,v 1.1 2006/06/01 21:53:41 uwe Exp $	*/
+
+/*
+ * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _SDMMC_IOREG_H
+#define _SDMMC_IOREG_H
+
+/* SDIO commands */				/* response type */
+#define SD_IO_SEND_OP_COND		5	/* R4 */
+#define SD_IO_RW_DIRECT			52	/* R5 */
+#define SD_IO_RW_EXTENDED		53	/* R5? */
+
+/* CMD52 arguments */
+#define SD_ARG_CMD52_READ		(0<<31)
+#define SD_ARG_CMD52_WRITE		(1<<31)
+#define SD_ARG_CMD52_FUNC_SHIFT		28
+#define SD_ARG_CMD52_FUNC_MASK		0x7
+#define SD_ARG_CMD52_EXCHANGE		(1<<27)
+#define SD_ARG_CMD52_REG_SHIFT		9
+#define SD_ARG_CMD52_REG_MASK		0x1ffff
+#define SD_ARG_CMD52_DATA_SHIFT		0
+#define SD_ARG_CMD52_DATA_MASK		0xff
+#define SD_R5_DATA(resp)		((resp)[0] & 0xff)
+
+/* CMD53 arguments */
+#define SD_ARG_CMD53_READ		(0<<31)
+#define SD_ARG_CMD53_WRITE		(1<<31)
+#define SD_ARG_CMD53_FUNC_SHIFT		28
+#define SD_ARG_CMD53_FUNC_MASK		0x7
+#define SD_ARG_CMD53_BLOCK_MODE		(1<<27)
+#define SD_ARG_CMD53_INCREMENT		(1<<26)
+#define SD_ARG_CMD53_REG_SHIFT		9
+#define SD_ARG_CMD53_REG_MASK		0x1ffff
+#define SD_ARG_CMD53_LENGTH_SHIFT	0
+#define SD_ARG_CMD53_LENGTH_MASK	0x1ff
+
+/* 48-bit response decoding (32 bits w/o CRC) */
+#define MMC_R4(resp)			((resp)[0])
+#define MMC_R5(resp)			((resp)[0])
+
+/* SD R4 response (IO OCR) */
+#define SD_IO_OCR_MEM_READY		(1<<31)
+#define SD_IO_OCR_NUM_FUNCTIONS(ocr)	(((ocr) >> 28) & 0x3)
+/* XXX big fat memory present "flag" because we don't know better */
+#define SD_IO_OCR_MEM_PRESENT		(0xf<<24)
+#define SD_IO_OCR_MASK			0x00fffff0
+
+/* Card Common Control Registers (CCCR) */
+#define SD_IO_CCCR_START		0x00000
+#define SD_IO_CCCR_SIZE			0x100
+#define SD_IO_CCCR_FN_ENABLE		0x02
+#define SD_IO_CCCR_CTL			0x06
+#define  CCCR_CTL_RES			(1<<3)
+#define SD_IO_CCCR_BUS_WIDTH		0x07
+#define  CCCR_BUS_WIDTH_4		(1<<1)
+#define  CCCR_BUS_WIDTH_1		(1<<0)
+#define SD_IO_CCCR_CISPTR		0x09 /* XXX 9-10, 10-11, or 9-12 */
+
+/* Function Basic Registers (FBR) */
+#define SD_IO_FBR_START			0x00100
+#define SD_IO_FBR_SIZE			0x00700
+
+/* Card Information Structure (CIS) */
+#define SD_IO_CIS_START			0x01000
+#define SD_IO_CIS_SIZE			0x17000
+
+/* CIS tuple codes (based on PC Card 16) */
+#define SD_IO_CISTPL_VERS_1		0x15
+#define SD_IO_CISTPL_MANFID		0x20
+#define SD_IO_CISTPL_FUNCID		0x21
+#define SD_IO_CISTPL_FUNCE		0x22
+
+/* CISTPL_FUNCID codes */
+#define SDMMC_FUNCTION_WLAN		0x0c
+
+#endif