cmsis-dap: add initial cmsis-dap support

[openocd.git] / src / jtag / swd.h

diff --git a/src/jtag/swd.h b/src/jtag/swd.h
index 80d50ff81008c462714913f9344a39c741b0a17b..f131ddbc3ee38cc21b94b4b29573bf6c108f87f2 100644 (file)
--- a/src/jtag/swd.h
+++ b/src/jtag/swd.h
@@ -110,11 +110,17 @@ struct swd_driver {
          */
         int (*write_reg)(uint8_t cmd, uint32_t value);
 
-       /* XXX START WITH enough to:
-        *      init (synch mode, WCR)
-        *              for async, TRN > 1
-        *      read IDCODE from DP
-        */
+        /**
+         * Synchronous block read of an AP or DP register.
+         *
+         * @param cmd with APnDP/RnW/addr/parity bits
+         * @param number of reads from register to be executed
+         * @param buffer to store data read from register
+         *
+         * @return SWD_ACK_* code for the transaction
+         *             or (negative) fault code
+         */
+        int (*read_block)(uint8_t cmd, uint32_t blocksize, uint8_t *buffer);
 
        /**
         * Configures data collection from the Single-wire
@@ -135,5 +141,6 @@ int swd_init_reset(struct command_context *cmd_ctx);
 void swd_add_reset(int req_srst);
 
 bool transport_is_swd(void);
+bool transport_is_cmsis_dap(void);
 
 #endif /* SWD_H */