hw/sd/sd.h

2  * SD Memory Card emulation.  Mostly correct for MMC too.
33 #include "hw/qdev-core.h"
85 #define TYPE_SD_CARD "sd-card"
88 #define TYPE_SD_CARD_SPI "sd-card-spi"
99     int (*do_command)(SDState *sd, SDRequest *req, uint8_t *response);
101      * Write a byte to a SD card.
102      * @sd: card
105      * Write a byte on the data lines of a SD card.
107     void (*write_byte)(SDState *sd, uint8_t value);
109      * Read a byte from a SD card.
110      * @sd: card
112      * Read a byte from the data lines of a SD card.
116     uint8_t (*read_byte)(SDState *sd);
117     bool (*receive_ready)(SDState *sd);
118     bool (*data_ready)(SDState *sd);
119     void (*set_voltage)(SDState *sd, uint16_t millivolts);
120     uint8_t (*get_dat_lines)(SDState *sd);
121     bool (*get_cmd_line)(SDState *sd);
122     void (*enable)(SDState *sd, bool enable);
123     bool (*get_inserted)(SDState *sd);
124     bool (*get_readonly)(SDState *sd);
125     void (*set_cid)(SDState *sd);
126     void (*set_csd)(SDState *sd, uint64_t size);
131 #define TYPE_SD_BUS "sd-bus"
144     /* These methods are called by the SD device to notify the controller
157 int sdbus_do_command(SDBus *sd, SDRequest *req, uint8_t *response);
159  * Write a byte to a SD bus.
160  * @sd: bus
163  * Write a byte on the data lines of a SD bus.
165 void sdbus_write_byte(SDBus *sd, uint8_t value);
167  * Read a byte from a SD bus.
168  * @sd: bus
170  * Read a byte from the data lines of a SD bus.
174 uint8_t sdbus_read_byte(SDBus *sd);
176  * Write data to a SD bus.
181  * Write multiple bytes of data on the data lines of a SD bus.
185  * Read data from a SD bus.
190  * Read multiple bytes of data on the data lines of a SD bus.
193 bool sdbus_receive_ready(SDBus *sd);
194 bool sdbus_data_ready(SDBus *sd);
195 bool sdbus_get_inserted(SDBus *sd);
196 bool sdbus_get_readonly(SDBus *sd);
198  * sdbus_reparent_card: Reparent an SD card from one controller to another
202  * Reparent an SD card, effectively unplugging it from one controller
204  * bcm2835 which have two SD controllers and connect a single SD card
209 /* Functions to be used by SD devices to report back to qdevified controllers */
210 void sdbus_set_inserted(SDBus *sd, bool inserted);
211 void sdbus_set_readonly(SDBus *sd, bool inserted);