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-rw-r--r--qemu/include/hw/sd/sd.h145
-rw-r--r--qemu/include/hw/sd/sdhci.h95
2 files changed, 240 insertions, 0 deletions
diff --git a/qemu/include/hw/sd/sd.h b/qemu/include/hw/sd/sd.h
new file mode 100644
index 000000000..d5d273a44
--- /dev/null
+++ b/qemu/include/hw/sd/sd.h
@@ -0,0 +1,145 @@
+/*
+ * SD Memory Card emulation. Mostly correct for MMC too.
+ *
+ * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __hw_sd_h
+#define __hw_sd_h 1
+
+#define OUT_OF_RANGE (1 << 31)
+#define ADDRESS_ERROR (1 << 30)
+#define BLOCK_LEN_ERROR (1 << 29)
+#define ERASE_SEQ_ERROR (1 << 28)
+#define ERASE_PARAM (1 << 27)
+#define WP_VIOLATION (1 << 26)
+#define CARD_IS_LOCKED (1 << 25)
+#define LOCK_UNLOCK_FAILED (1 << 24)
+#define COM_CRC_ERROR (1 << 23)
+#define ILLEGAL_COMMAND (1 << 22)
+#define CARD_ECC_FAILED (1 << 21)
+#define CC_ERROR (1 << 20)
+#define SD_ERROR (1 << 19)
+#define CID_CSD_OVERWRITE (1 << 16)
+#define WP_ERASE_SKIP (1 << 15)
+#define CARD_ECC_DISABLED (1 << 14)
+#define ERASE_RESET (1 << 13)
+#define CURRENT_STATE (7 << 9)
+#define READY_FOR_DATA (1 << 8)
+#define APP_CMD (1 << 5)
+#define AKE_SEQ_ERROR (1 << 3)
+#define OCR_CCS_BITN 30
+
+typedef enum {
+ sd_none = -1,
+ sd_bc = 0, /* broadcast -- no response */
+ sd_bcr, /* broadcast with response */
+ sd_ac, /* addressed -- no data transfer */
+ sd_adtc, /* addressed with data transfer */
+} sd_cmd_type_t;
+
+typedef struct {
+ uint8_t cmd;
+ uint32_t arg;
+ uint8_t crc;
+} SDRequest;
+
+typedef struct SDState SDState;
+typedef struct SDBus SDBus;
+
+#define TYPE_SD_CARD "sd-card"
+#define SD_CARD(obj) OBJECT_CHECK(SDState, (obj), TYPE_SD_CARD)
+#define SD_CARD_CLASS(klass) \
+ OBJECT_CLASS_CHECK(SDCardClass, (klass), TYPE_SD_CARD)
+#define SD_CARD_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(SDCardClass, (obj), TYPE_SD_CARD)
+
+typedef struct {
+ /*< private >*/
+ DeviceClass parent_class;
+ /*< public >*/
+
+ int (*do_command)(SDState *sd, SDRequest *req, uint8_t *response);
+ void (*write_data)(SDState *sd, uint8_t value);
+ uint8_t (*read_data)(SDState *sd);
+ bool (*data_ready)(SDState *sd);
+ void (*enable)(SDState *sd, bool enable);
+ bool (*get_inserted)(SDState *sd);
+ bool (*get_readonly)(SDState *sd);
+} SDCardClass;
+
+#define TYPE_SD_BUS "sd-bus"
+#define SD_BUS(obj) OBJECT_CHECK(SDBus, (obj), TYPE_SD_BUS)
+#define SD_BUS_CLASS(klass) OBJECT_CLASS_CHECK(SDBusClass, (klass), TYPE_SD_BUS)
+#define SD_BUS_GET_CLASS(obj) OBJECT_GET_CLASS(SDBusClass, (obj), TYPE_SD_BUS)
+
+struct SDBus {
+ BusState qbus;
+};
+
+typedef struct {
+ /*< private >*/
+ BusClass parent_class;
+ /*< public >*/
+
+ /* These methods are called by the SD device to notify the controller
+ * when the card insertion or readonly status changes
+ */
+ void (*set_inserted)(DeviceState *dev, bool inserted);
+ void (*set_readonly)(DeviceState *dev, bool readonly);
+} SDBusClass;
+
+/* Legacy functions to be used only by non-qdevified callers */
+SDState *sd_init(BlockBackend *bs, bool is_spi);
+int sd_do_command(SDState *sd, SDRequest *req,
+ uint8_t *response);
+void sd_write_data(SDState *sd, uint8_t value);
+uint8_t sd_read_data(SDState *sd);
+void sd_set_cb(SDState *sd, qemu_irq readonly, qemu_irq insert);
+bool sd_data_ready(SDState *sd);
+/* sd_enable should not be used -- it is only used on the nseries boards,
+ * where it is part of a broken implementation of the MMC card slot switch
+ * (there should be two card slots which are multiplexed to a single MMC
+ * controller, but instead we model it with one card and controller and
+ * disable the card when the second slot is selected, so it looks like the
+ * second slot is always empty).
+ */
+void sd_enable(SDState *sd, bool enable);
+
+/* Functions to be used by qdevified callers (working via
+ * an SDBus rather than directly with SDState)
+ */
+int sdbus_do_command(SDBus *sd, SDRequest *req, uint8_t *response);
+void sdbus_write_data(SDBus *sd, uint8_t value);
+uint8_t sdbus_read_data(SDBus *sd);
+bool sdbus_data_ready(SDBus *sd);
+bool sdbus_get_inserted(SDBus *sd);
+bool sdbus_get_readonly(SDBus *sd);
+
+/* Functions to be used by SD devices to report back to qdevified controllers */
+void sdbus_set_inserted(SDBus *sd, bool inserted);
+void sdbus_set_readonly(SDBus *sd, bool inserted);
+
+#endif /* __hw_sd_h */
diff --git a/qemu/include/hw/sd/sdhci.h b/qemu/include/hw/sd/sdhci.h
new file mode 100644
index 000000000..0f0c3f1e6
--- /dev/null
+++ b/qemu/include/hw/sd/sdhci.h
@@ -0,0 +1,95 @@
+/*
+ * SD Association Host Standard Specification v2.0 controller emulation
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * Mitsyanko Igor <i.mitsyanko@samsung.com>
+ * Peter A.G. Crosthwaite <peter.crosthwaite@petalogix.com>
+ *
+ * Based on MMC controller for Samsung S5PC1xx-based board emulation
+ * by Alexey Merkulov and Vladimir Monakhov.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SDHCI_H
+#define SDHCI_H
+
+#include "qemu-common.h"
+#include "hw/block/block.h"
+#include "hw/pci/pci.h"
+#include "hw/sysbus.h"
+#include "hw/sd/sd.h"
+
+/* SD/MMC host controller state */
+typedef struct SDHCIState {
+ union {
+ PCIDevice pcidev;
+ SysBusDevice busdev;
+ };
+ SDBus sdbus;
+ MemoryRegion iomem;
+
+ QEMUTimer *insert_timer; /* timer for 'changing' sd card. */
+ QEMUTimer *transfer_timer;
+ qemu_irq eject_cb;
+ qemu_irq ro_cb;
+ qemu_irq irq;
+
+ uint32_t sdmasysad; /* SDMA System Address register */
+ uint16_t blksize; /* Host DMA Buff Boundary and Transfer BlkSize Reg */
+ uint16_t blkcnt; /* Blocks count for current transfer */
+ uint32_t argument; /* Command Argument Register */
+ uint16_t trnmod; /* Transfer Mode Setting Register */
+ uint16_t cmdreg; /* Command Register */
+ uint32_t rspreg[4]; /* Response Registers 0-3 */
+ uint32_t prnsts; /* Present State Register */
+ uint8_t hostctl; /* Host Control Register */
+ uint8_t pwrcon; /* Power control Register */
+ uint8_t blkgap; /* Block Gap Control Register */
+ uint8_t wakcon; /* WakeUp Control Register */
+ uint16_t clkcon; /* Clock control Register */
+ uint8_t timeoutcon; /* Timeout Control Register */
+ uint8_t admaerr; /* ADMA Error Status Register */
+ uint16_t norintsts; /* Normal Interrupt Status Register */
+ uint16_t errintsts; /* Error Interrupt Status Register */
+ uint16_t norintstsen; /* Normal Interrupt Status Enable Register */
+ uint16_t errintstsen; /* Error Interrupt Status Enable Register */
+ uint16_t norintsigen; /* Normal Interrupt Signal Enable Register */
+ uint16_t errintsigen; /* Error Interrupt Signal Enable Register */
+ uint16_t acmd12errsts; /* Auto CMD12 error status register */
+ uint64_t admasysaddr; /* ADMA System Address Register */
+
+ uint32_t capareg; /* Capabilities Register */
+ uint32_t maxcurr; /* Maximum Current Capabilities Register */
+ uint8_t *fifo_buffer; /* SD host i/o FIFO buffer */
+ uint32_t buf_maxsz;
+ uint16_t data_count; /* current element in FIFO buffer */
+ uint8_t stopped_state;/* Current SDHC state */
+ bool pending_insert_quirk;/* Quirk for Raspberry Pi card insert int */
+ bool pending_insert_state;
+ /* Buffer Data Port Register - virtual access point to R and W buffers */
+ /* Software Reset Register - always reads as 0 */
+ /* Force Event Auto CMD12 Error Interrupt Reg - write only */
+ /* Force Event Error Interrupt Register- write only */
+ /* RO Host Controller Version Register always reads as 0x2401 */
+} SDHCIState;
+
+#define TYPE_PCI_SDHCI "sdhci-pci"
+#define PCI_SDHCI(obj) OBJECT_CHECK(SDHCIState, (obj), TYPE_PCI_SDHCI)
+
+#define TYPE_SYSBUS_SDHCI "generic-sdhci"
+#define SYSBUS_SDHCI(obj) \
+ OBJECT_CHECK(SDHCIState, (obj), TYPE_SYSBUS_SDHCI)
+
+#endif /* SDHCI_H */