Some tricks for old compatibility.

[bertos.git] / bertos / drv / sd.h

diff --git a/bertos/drv/sd.h b/bertos/drv/sd.h
index 8d93f5701880687f6d1296d6217fd2e228f28f67..3e6ca6f373d5b56a17a34bd30146047bea8a7503 100644 (file)
--- a/bertos/drv/sd.h
+++ b/bertos/drv/sd.h
@@ -35,7 +35,7 @@
  * \author Francesco Sacchi <batt@develer.com>
  *
  * $WIZ$ module_name = "sd"
- * $WIZ$ module_depends = "kfile", "timer", "kblock"
+ * $WIZ$ module_depends = "kfile", "timer", "kblock", "sd_spi"
  * $WIZ$ module_hw = "bertos/hw/hw_sd.h"
  * $WIZ$ module_configuration = "bertos/cfg/cfg_sd.h"
  */
@@ -70,6 +70,7 @@ typedef struct SDcsd
     uint8_t     ccc;          ///< Card command classes
     uint32_t    erase_size;  ///< The size of an erasable sector, in write block len
        uint32_t    capacity;     ///< Card size in byte
+       uint32_t    max_data_rate; ///< Step rate, usec
     uint32_t    blk_len;      ///< Block data size len in byte
        uint32_t    blk_num;      ///< Number of block in card
        uint32_t        write_blk_bits; ///< Max write block length in bits
@@ -80,22 +81,36 @@ typedef struct SDcsd
                 write_misalign:1;
 } SDcsd;
 
-void sd_dump_csd(SDcsd *csd);
-void sd_dump_cid(SDcid *cid);
+typedef struct SDssr
+{
+       uint8_t    bus_width;
+       uint8_t    card_type;
+       uint8_t    speed_class;
+       uint8_t    au_size;
+       uint8_t    erase_size;
+} SDssr;
 
-void sd_send_init(void);
-void sd_go_idle(void);
-int sd_send_if_cond(void);
-int sd_send_app_op_cond(void);
 
-int sd_get_cid(SDcid *cid);
-int sd_get_csd(SDcsd *csd, uint32_t addr);
+#define SD_READY_FOR_DATA         BV(8)
+#define SD_CARD_IS_LOCKED         BV(25)
 
-int sd_app_status(uint32_t *resp, size_t len);
-int sd_send_relative_addr(uint32_t *addr);
+#define SD_SEND_CID_RCA     0
+#define SD_SEND_ALL_CID   BV(0)
 
 #endif
 
+#define SD_START_DELAY  10
+#define SD_INIT_TIMEOUT ms_to_ticks(2000)
+#define SD_IDLE_RETRIES 4
+#define SD_DEFAULT_BLOCKLEN 512
+
+/**
+ * $WIZ$ sd_mode = "SD_SDMMC_MODE", "SD_SPI_MODE"
+ * \{
+ */
+#define SD_SDMMC_MODE  0
+#define SD_SPI_MODE    1
+/** \} */
 
 #define SD_UNBUFFERED     BV(0) ///< Open SD memory disabling page caching, no modification and partial write are allowed.
 
@@ -104,16 +119,77 @@ int sd_send_relative_addr(uint32_t *addr);
  */
 typedef struct Sd
 {
+
        KBlock b;   ///< KBlock base class
        KFile *ch;  ///< SPI communication channel
        uint16_t r1;  ///< Last status data received from SD
        uint16_t tranfer_len; ///< Lenght for the read/write commands, cached in order to increase speed.
+
+       #if CPU_CM3_SAM3X8
+       SDcid cid;
+       SDcsd csd;
+       SDssr ssr;
+       uint32_t addr;
+       uint32_t status;
+       #endif
+
 } Sd;
 
-bool sd_initUnbuf(Sd *sd, KFile *ch);
-bool sd_initBuf(Sd *sd, KFile *ch);
+bool sd_hw_initUnbuf(Sd *sd, KFile *ch);
+bool sd_hw_initBuf(Sd *sd, KFile *ch);
+
+bool sd_spi_initUnbuf(Sd *sd, KFile *ch);
+bool sd_spi_initBuf(Sd *sd, KFile *ch);
+
+#if CPU_CM3_SAM3X8
+
+void sd_dumpCsd(Sd *sd);
+void sd_dumpCid(Sd *sd);
+void sd_dumpSsr(Sd *sd);
+
+void sd_sendInit(void);
+void sd_goIdle(void);
+int sd_sendIfCond(Sd *sd);
+int sd_sendAppOpCond(Sd *sd);
+
+int sd_getCid(Sd *sd, uint32_t addr, uint8_t flag);
+int sd_getCsd(Sd *sd);
+int sd_getSrc(Sd *sd);
+
+int sd_appStatus(Sd *sd);
+int sd_getRelativeAddr(Sd *sd);
+
+int sd_getStatus(Sd *sd, uint32_t *buf, size_t words);
+
+int sd_selectCard(Sd *sd);
+int sd_deSelectCard(Sd *sd);
+int sd_setBusWidth(Sd *sd, size_t len);
+int sd_set_BlockLen(Sd *sd, size_t len);
+void sd_setHightSpeed(Sd *sd);
+int sd_readSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words);
+int sd_writeSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words);
+
+
+INLINE int sd_setBus4bit(Sd *sd)
+{
+       return sd_setBusWidth(sd, 4);
+}
+
+INLINE int sd_setBus1bit(Sd *sd)
+{
+       return sd_setBusWidth(sd, 1);
+}
+
+#endif
+
+// For old compatibility.
+#ifndef CONFIG_SD_MODE
+       #define CONFIG_SD_MODE  SD_SPI_MODE
+       #define SD_INCLUDE_SPI_SOURCE
+#endif
 
 #if CONFIG_SD_OLD_INIT
+
        #if !(ARCH & ARCH_NIGHTTEST)
                #warning "Deprecated: this API will be removed in the next major release,"
                #warning "please disable CONFIG_SD_OLD_INIT and pass explicitly the SD context to sd_init()."
@@ -131,7 +207,11 @@ bool sd_initBuf(Sd *sd, KFile *ch);
         *
         * \see CONFIG_SD_OLD_INIT.
         */
-       #define sd_init(ch) {static struct Sd sd; sd_initUnbuf(&sd, (ch));}
+       #if CONFIG_SD_MODE == SD_SPI_MODE
+               #define sd_init(ch) {static struct Sd sd; sd_spi_initUnbuf(&sd, (ch));}
+       #else
+               #define sd_init(ch) {static struct Sd sd; sd_hw_initUnbuf(&sd, (ch));}
+       #endif
 
 #else
 
@@ -147,7 +227,11 @@ bool sd_initBuf(Sd *sd, KFile *ch);
         *
         * \return true if initialization succeds, false otherwise.
         */
-       #define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_initUnbuf((sd), (ch)) : sd_initBuf((sd), (ch)))
+       #if CONFIG_SD_MODE == SD_SPI_MODE
+               #define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_spi_initUnbuf((sd), (ch)) : sd_spi_initBuf((sd), (ch)))
+       #else
+               #define sd_init(sd, ch, buffered) ((buffered & SD_UNBUFFERED) ? sd_hw_initUnbuf((sd), (ch)) : sd_hw_initBuf((sd), (ch)))
+       #endif
 
 #endif
 
@@ -164,3 +248,4 @@ INLINE Sd *SD_CAST(KBlock *b)
 }
 
 #endif /* DRV_SD_H */
+