MLK-18497-5: ASoC: fsl: dsp_proxy: Introduce client API

This will allow DSP driver to create/destroy a client on
DSP audio-framework proxy.

Registering a client on remote DSP proxy means creating
a component.

The implementation is similar with userspace application
proxy implementation.

Reviewed-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>

1 files changed, 103 insertions, 5 deletions

diff --git a/sound/soc/fsl/fsl_dsp_proxy.h b/sound/soc/fsl/fsl_dsp_proxy.h
index 78b033719eb8..fabcf768fb88 100644
--- a/sound/soc/fsl/fsl_dsp_proxy.h
+++ b/sound/soc/fsl/fsl_dsp_proxy.h
@@ -19,6 +19,7 @@
 #include <linux/mx8_mu.h>
 #include <linux/interrupt.h>
 
+#include "fsl_dsp_pool.h"
 #define XF_CFG_MESSAGE_POOL_SIZE        256
 
 struct xf_client;
@@ -27,6 +28,10 @@ struct xf_client;
  * Local proxy data
  ******************************************************************************/
 
+struct xf_message;
+struct xf_handle;
+typedef void (*xf_response_cb)(struct xf_handle *h, struct xf_message *msg);
+
 /* ...execution message */
 struct xf_message {
 	/* ...pointer to next message in a list */
@@ -84,8 +89,10 @@ enum icm_action_t {
 /* ...adjust IPC client of message going from user-space */
 #define XF_MSG_AP_FROM_USER(id, client) (((id) & ~(0xF << 2)) | (client << 2))
 
-/* ...message id contains source and destination ports specification */
-#define __XF_MSG_ID(src, dst)   (((src) & 0xFFFF) | (((dst) & 0xFFFF) << 16))
+
+#define __XF_PORT_SPEC(core, id, port)  ((core) | ((id) << 2) | ((port) << 8))
+#define __XF_PORT_SPEC2(id, port)       ((id) | ((port) << 8))
+
 
 /* ...wipe out IPC client from message going to user-space */
 #define XF_MSG_AP_TO_USER(id)   ((id) & ~(0xF << 18))
@@ -94,13 +101,17 @@ enum icm_action_t {
 
 /* ...message id contains source and destination ports specification */
 #define __XF_MSG_ID(src, dst)   (((src) & 0xFFFF) | (((dst) & 0xFFFF) << 16))
+#define XF_MSG_SRC(id)          (((id) >> 0) & 0xFFFF)
+#define XF_MSG_SRC_CORE(id)     (((id) >> 0) & 0x3)
 #define XF_MSG_SRC_CLIENT(id)   (((id) >> 2) & 0x3F)
 #define XF_MSG_DST_CLIENT(id)   (((id) >> 18) & 0x3F)
 
 /* ...special treatment of AP-proxy destination field */
-#define XF_AP_IPC_CLIENT(id)    (((id) >> 18) & 0xF)
-#define __XF_AP_PROXY(core)     ((core) | 0x8000)
-#define __XF_DSP_PROXY(core)    ((core) | 0x8000)
+#define XF_AP_IPC_CLIENT(id)            (((id) >> 18) & 0xF)
+#define XF_AP_CLIENT(id)                (((id) >> 22) & 0x1FF)
+#define __XF_AP_PROXY(core)             ((core) | 0x8000)
+#define __XF_DSP_PROXY(core)            ((core) | 0x8000)
+#define __XF_AP_CLIENT(core, client)    ((core) | ((client) << 6) | 0x8000)
 
 /* ...opcode composition with command/response data tags */
 #define __XF_OPCODE(c, r, op)   (((c) << 31) | ((r) << 30) | ((op) & 0x3F))
@@ -417,4 +428,91 @@ void *xf_proxy_a2b(struct xf_proxy *proxy, u32 address);
 int xf_cmd_send_suspend(struct xf_proxy *proxy);
 int xf_cmd_send_resume(struct xf_proxy *proxy);
 
+int xf_cmd_alloc(struct xf_proxy *proxy, void **buffer, u32 length);
+int xf_cmd_free(struct xf_proxy *proxy, void *buffer, u32 length);
+
+int xf_open(struct xf_client *client, struct xf_proxy *proxy,
+	    struct xf_handle *handle, const char *id, u32 core,
+	    xf_response_cb response);
+
+int xf_close(struct xf_client *client, struct xf_handle *handle);
+
+
+
+/*******************************************************************************
+ * Opcode composition
+ ******************************************************************************/
+
+/* ...opcode composition with command/response data tags */
+#define __XF_OPCODE(c, r, op)   (((c) << 31) | ((r) << 30) | ((op) & 0x3F))
+
+/* ...accessors */
+#define XF_OPCODE_CDATA(opcode)         ((opcode) & (1 << 31))
+#define XF_OPCODE_RDATA(opcode)         ((opcode) & (1 << 30))
+#define XF_OPCODE_TYPE(opcode)          ((opcode) & (0x3F))
+
+/*******************************************************************************
+ * Opcode types
+ ******************************************************************************/
+
+/* ...unregister client */
+#define XF_UNREGISTER                   __XF_OPCODE(0, 0, 0)
+
+/* ...register client at proxy */
+#define XF_REGISTER                     __XF_OPCODE(1, 0, 1)
+
+/* ...port routing command */
+#define XF_ROUTE                        __XF_OPCODE(1, 0, 2)
+
+/* ...port unrouting command */
+#define XF_UNROUTE                      __XF_OPCODE(1, 0, 3)
+
+/* ...shared buffer allocation */
+#define XF_ALLOC                        __XF_OPCODE(0, 0, 4)
+
+/* ...shared buffer freeing */
+#define XF_FREE                         __XF_OPCODE(0, 0, 5)
+
+/* ...set component parameters */
+#define XF_SET_PARAM                    __XF_OPCODE(1, 0, 6)
+
+/* ...get component parameters */
+#define XF_GET_PARAM                    __XF_OPCODE(1, 1, 7)
+
+/* ...input buffer reception */
+#define XF_EMPTY_THIS_BUFFER            __XF_OPCODE(1, 0, 8)
+
+/* ...output buffer reception */
+#define XF_FILL_THIS_BUFFER             __XF_OPCODE(0, 1, 9)
+
+/* ...flush specific port */
+#define XF_FLUSH                        __XF_OPCODE(0, 0, 10)
+
+/* ...start component operation */
+#define XF_START                        __XF_OPCODE(0, 0, 11)
+
+/* ...stop component operation */
+#define XF_STOP                         __XF_OPCODE(0, 0, 12)
+
+/* ...pause component operation */
+#define XF_PAUSE                        __XF_OPCODE(0, 0, 13)
+
+/* ...resume component operation */
+#define XF_RESUME                       __XF_OPCODE(0, 0, 14)
+
+/* ...resume component operation */
+#define XF_SUSPEND                      __XF_OPCODE(0, 0, 15)
+
+/* ...load lib for component operation */
+#define XF_LOAD_LIB                     __XF_OPCODE(0, 0, 16)
+
+/* ...unload lib for component operation */
+#define XF_UNLOAD_LIB                   __XF_OPCODE(0, 0, 17)
+
+/* ...component output eos operation */
+#define XF_OUTPUT_EOS                   __XF_OPCODE(0, 0, 18)
+
+/* ...total amount of supported decoder commands */
+#define __XF_OP_NUM                     19
+
 #endif