1 files changed, 32 insertions, 17 deletions

diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h
index ccb73422c2fa..e1555e06e7e5 100644
--- a/include/linux/mailbox/mtk-cmdq-mailbox.h
+++ b/include/linux/mailbox/mtk-cmdq-mailbox.h
@@ -17,10 +17,23 @@
 #define CMDQ_JUMP_PASS			CMDQ_INST_SIZE
 
 #define CMDQ_WFE_UPDATE			BIT(31)
+#define CMDQ_WFE_UPDATE_VALUE		BIT(16)
 #define CMDQ_WFE_WAIT			BIT(15)
 #define CMDQ_WFE_WAIT_VALUE		0x1
 
 /*
+ * WFE arg_b
+ * bit 0-11: wait value
+ * bit 15: 1 - wait, 0 - no wait
+ * bit 16-27: update value
+ * bit 31: 1 - update, 0 - no update
+ */
+#define CMDQ_WFE_OPTION			(CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE)
+
+/** cmdq event maximum */
+#define CMDQ_MAX_EVENT			0x3ff
+
+/*
  * CMDQ_CODE_MASK:
  *   set write mask
  *   format: op mask
@@ -42,26 +55,19 @@
 enum cmdq_code {
 	CMDQ_CODE_MASK = 0x02,
 	CMDQ_CODE_WRITE = 0x04,
+	CMDQ_CODE_POLL = 0x08,
 	CMDQ_CODE_JUMP = 0x10,
 	CMDQ_CODE_WFE = 0x20,
 	CMDQ_CODE_EOC = 0x40,
-};
-
-enum cmdq_cb_status {
-	CMDQ_CB_NORMAL = 0,
-	CMDQ_CB_ERROR
+	CMDQ_CODE_READ_S = 0x80,
+	CMDQ_CODE_WRITE_S = 0x90,
+	CMDQ_CODE_WRITE_S_MASK = 0x91,
+	CMDQ_CODE_LOGIC = 0xa0,
 };
 
 struct cmdq_cb_data {
-	enum cmdq_cb_status	sta;
-	void			*data;
-};
-
-typedef void (*cmdq_async_flush_cb)(struct cmdq_cb_data data);
-
-struct cmdq_task_cb {
-	cmdq_async_flush_cb	cb;
-	void			*data;
+	int			sta;
+	struct cmdq_pkt		*pkt;
 };
 
 struct cmdq_pkt {
@@ -69,9 +75,18 @@ struct cmdq_pkt {
 	dma_addr_t		pa_base;
 	size_t			cmd_buf_size; /* command occupied size */
 	size_t			buf_size; /* real buffer size */
-	struct cmdq_task_cb	cb;
-	struct cmdq_task_cb	async_cb;
-	void			*cl;
 };
 
+/**
+ * cmdq_get_shift_pa() - get the shift bits of physical address
+ * @chan: mailbox channel
+ *
+ * GCE can only fetch the command buffer address from a 32-bit register.
+ * Some SOCs support more than 32-bit command buffer address for GCE, which
+ * requires some shift bits to make the address fit into the 32-bit register.
+ *
+ * Return: the shift bits of physical address
+ */
+u8 cmdq_get_shift_pa(struct mbox_chan *chan);
+
 #endif /* __MTK_CMDQ_MAILBOX_H__ */