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authorTzung-Bi Shih <tzungbi@google.com>2019-10-17 22:00:09 +0800
committerMark Brown <broonie@kernel.org>2019-10-18 18:13:02 +0100
commit104c6f8f7ff859ddd53b69c4af11e83f2971f0c4 (patch)
treedb816f6c50bb9f2f10cfccbd2c41923dfcdf5054 /include
parent2d39a1fc19ea2d33fd68f5d02e6136ddaae2ac11 (diff)
platform/chrome: cros_ec: add common commands for EC codec
Add the following common commands: - GET_CAPABILITIES - GET_SHM_ADDR - SET_SHM_ADDR Acked-by: Benson Leung <bleung@chromium.org> Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Link: https://lore.kernel.org/r/20191017213539.04.Idc3c6e1cd94b70bf010249928d4a93c6c90495b7@changeid Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/platform_data/cros_ec_commands.h64
1 files changed, 62 insertions, 2 deletions
diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index 58e460c015ef..3ca0fa9e92a7 100644
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -4466,8 +4466,68 @@ enum mkbp_cec_event {
/*****************************************************************************/
+/* Commands for audio codec. */
+#define EC_CMD_EC_CODEC 0x00BC
+
+enum ec_codec_subcmd {
+ EC_CODEC_GET_CAPABILITIES = 0x0,
+ EC_CODEC_GET_SHM_ADDR = 0x1,
+ EC_CODEC_SET_SHM_ADDR = 0x2,
+ EC_CODEC_SUBCMD_COUNT,
+};
+
+enum ec_codec_cap {
+ EC_CODEC_CAP_LAST = 32,
+};
+
+enum ec_codec_shm_id {
+ EC_CODEC_SHM_ID_LAST,
+};
+
+enum ec_codec_shm_type {
+ EC_CODEC_SHM_TYPE_EC_RAM = 0x0,
+ EC_CODEC_SHM_TYPE_SYSTEM_RAM = 0x1,
+};
+
+struct __ec_align1 ec_param_ec_codec_get_shm_addr {
+ uint8_t shm_id;
+ uint8_t reserved[3];
+};
+
+struct __ec_align4 ec_param_ec_codec_set_shm_addr {
+ uint64_t phys_addr;
+ uint32_t len;
+ uint8_t shm_id;
+ uint8_t reserved[3];
+};
+
+struct __ec_align4 ec_param_ec_codec {
+ uint8_t cmd; /* enum ec_codec_subcmd */
+ uint8_t reserved[3];
+
+ union {
+ struct ec_param_ec_codec_get_shm_addr
+ get_shm_addr_param;
+ struct ec_param_ec_codec_set_shm_addr
+ set_shm_addr_param;
+ };
+};
+
+struct __ec_align4 ec_response_ec_codec_get_capabilities {
+ uint32_t capabilities;
+};
+
+struct __ec_align4 ec_response_ec_codec_get_shm_addr {
+ uint64_t phys_addr;
+ uint32_t len;
+ uint8_t type;
+ uint8_t reserved[3];
+};
+
+/*****************************************************************************/
+
/* Commands for DMIC on audio codec. */
-#define EC_CMD_EC_CODEC_DMIC 0x00BC
+#define EC_CMD_EC_CODEC_DMIC 0x00BD
enum ec_codec_dmic_subcmd {
EC_CODEC_DMIC_SET_GAIN = 0x0,
@@ -4500,7 +4560,7 @@ struct __ec_align1 ec_response_ec_codec_dmic_get_gain {
/* Commands for I2S RX on audio codec. */
-#define EC_CMD_EC_CODEC_I2S_RX 0x00BD
+#define EC_CMD_EC_CODEC_I2S_RX 0x00BE
enum ec_codec_i2s_rx_subcmd {
EC_CODEC_I2S_RX_ENABLE = 0x0,