ASoC: cros_ec_codec: support WoV

[linux-2.6-block.git] / include / linux / platform_data / cros_ec_commands.h

diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index 21db0d4d402578b1c84bf5c367fac7a622eed9ff..69210881ebac8fc1d63e2fb4cc8d42af7957efa2 100644 (file)
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -556,6 +556,9 @@ enum host_event_code {
        /* Keyboard recovery combo with hardware reinitialization */
        EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT = 30,
 
+       /* WoV */
+       EC_HOST_EVENT_WOV = 31,
+
        /*
         * The high bit of the event mask is not used as a host event code.  If
         * it reads back as set, then the entire event mask should be
@@ -4477,10 +4480,14 @@ enum ec_codec_subcmd {
 };
 
 enum ec_codec_cap {
+       EC_CODEC_CAP_WOV_AUDIO_SHM = 0,
+       EC_CODEC_CAP_WOV_LANG_SHM = 1,
        EC_CODEC_CAP_LAST = 32,
 };
 
 enum ec_codec_shm_id {
+       EC_CODEC_SHM_ID_WOV_AUDIO = 0x0,
+       EC_CODEC_SHM_ID_WOV_LANG = 0x1,
        EC_CODEC_SHM_ID_LAST,
 };
 
@@ -4641,6 +4648,68 @@ struct __ec_align4 ec_param_ec_codec_i2s_rx {
        };
 };
 
+/*****************************************************************************/
+/* Commands for WoV on audio codec. */
+
+#define EC_CMD_EC_CODEC_WOV 0x00BF
+
+enum ec_codec_wov_subcmd {
+       EC_CODEC_WOV_SET_LANG = 0x0,
+       EC_CODEC_WOV_SET_LANG_SHM = 0x1,
+       EC_CODEC_WOV_GET_LANG = 0x2,
+       EC_CODEC_WOV_ENABLE = 0x3,
+       EC_CODEC_WOV_DISABLE = 0x4,
+       EC_CODEC_WOV_READ_AUDIO = 0x5,
+       EC_CODEC_WOV_READ_AUDIO_SHM = 0x6,
+       EC_CODEC_WOV_SUBCMD_COUNT,
+};
+
+/*
+ * @hash is SHA256 of the whole language model.
+ * @total_len indicates the length of whole language model.
+ * @offset is the cursor from the beginning of the model.
+ * @buf is the packet buffer.
+ * @len denotes how many bytes in the buf.
+ */
+struct __ec_align4 ec_param_ec_codec_wov_set_lang {
+       uint8_t hash[32];
+       uint32_t total_len;
+       uint32_t offset;
+       uint8_t buf[128];
+       uint32_t len;
+};
+
+struct __ec_align4 ec_param_ec_codec_wov_set_lang_shm {
+       uint8_t hash[32];
+       uint32_t total_len;
+};
+
+struct __ec_align4 ec_param_ec_codec_wov {
+       uint8_t cmd; /* enum ec_codec_wov_subcmd */
+       uint8_t reserved[3];
+
+       union {
+               struct ec_param_ec_codec_wov_set_lang
+                               set_lang_param;
+               struct ec_param_ec_codec_wov_set_lang_shm
+                               set_lang_shm_param;
+       };
+};
+
+struct __ec_align4 ec_response_ec_codec_wov_get_lang {
+       uint8_t hash[32];
+};
+
+struct __ec_align4 ec_response_ec_codec_wov_read_audio {
+       uint8_t buf[128];
+       uint32_t len;
+};
+
+struct __ec_align4 ec_response_ec_codec_wov_read_audio_shm {
+       uint32_t offset;
+       uint32_t len;
+};
+
 /*****************************************************************************/
 /* System commands */