ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/powerpc/include/asm/hvsi.h b/marvell/linux/arch/powerpc/include/asm/hvsi.h
new file mode 100644
index 0000000..464a751
--- /dev/null
+++ b/marvell/linux/arch/powerpc/include/asm/hvsi.h
@@ -0,0 +1,95 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _HVSI_H
+#define _HVSI_H
+
+#define VS_DATA_PACKET_HEADER 0xff
+#define VS_CONTROL_PACKET_HEADER 0xfe
+#define VS_QUERY_PACKET_HEADER 0xfd
+#define VS_QUERY_RESPONSE_PACKET_HEADER 0xfc
+
+/* control verbs */
+#define VSV_SET_MODEM_CTL 1 /* to service processor only */
+#define VSV_MODEM_CTL_UPDATE 2 /* from service processor only */
+#define VSV_CLOSE_PROTOCOL 3
+
+/* query verbs */
+#define VSV_SEND_VERSION_NUMBER 1
+#define VSV_SEND_MODEM_CTL_STATUS 2
+
+/* yes, these masks are not consecutive. */
+#define HVSI_TSDTR 0x01
+#define HVSI_TSCD 0x20
+
+#define HVSI_MAX_OUTGOING_DATA 12
+#define HVSI_VERSION 1
+
+struct hvsi_header {
+ uint8_t type;
+ uint8_t len;
+ __be16 seqno;
+} __attribute__((packed));
+
+struct hvsi_data {
+ struct hvsi_header hdr;
+ uint8_t data[HVSI_MAX_OUTGOING_DATA];
+} __attribute__((packed));
+
+struct hvsi_control {
+ struct hvsi_header hdr;
+ __be16 verb;
+ /* optional depending on verb: */
+ __be32 word;
+ __be32 mask;
+} __attribute__((packed));
+
+struct hvsi_query {
+ struct hvsi_header hdr;
+ __be16 verb;
+} __attribute__((packed));
+
+struct hvsi_query_response {
+ struct hvsi_header hdr;
+ __be16 verb;
+ __be16 query_seqno;
+ union {
+ uint8_t version;
+ __be32 mctrl_word;
+ } u;
+} __attribute__((packed));
+
+/* hvsi lib struct definitions */
+#define HVSI_INBUF_SIZE 255
+struct tty_struct;
+struct hvsi_priv {
+ unsigned int inbuf_len; /* data in input buffer */
+ unsigned char inbuf[HVSI_INBUF_SIZE];
+ unsigned int inbuf_cur; /* Cursor in input buffer */
+ unsigned int inbuf_pktlen; /* packet length from cursor */
+ atomic_t seqno; /* packet sequence number */
+ unsigned int opened:1; /* driver opened */
+ unsigned int established:1; /* protocol established */
+ unsigned int is_console:1; /* used as a kernel console device */
+ unsigned int mctrl_update:1; /* modem control updated */
+ unsigned short mctrl; /* modem control */
+ struct tty_struct *tty; /* tty structure */
+ int (*get_chars)(uint32_t termno, char *buf, int count);
+ int (*put_chars)(uint32_t termno, const char *buf, int count);
+ uint32_t termno;
+};
+
+/* hvsi lib functions */
+struct hvc_struct;
+extern void hvsilib_init(struct hvsi_priv *pv,
+ int (*get_chars)(uint32_t termno, char *buf, int count),
+ int (*put_chars)(uint32_t termno, const char *buf,
+ int count),
+ int termno, int is_console);
+extern int hvsilib_open(struct hvsi_priv *pv, struct hvc_struct *hp);
+extern void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp);
+extern int hvsilib_read_mctrl(struct hvsi_priv *pv);
+extern int hvsilib_write_mctrl(struct hvsi_priv *pv, int dtr);
+extern void hvsilib_establish(struct hvsi_priv *pv);
+extern int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count);
+extern int hvsilib_put_chars(struct hvsi_priv *pv, const char *buf, int count);
+
+#endif /* _HVSI_H */