Add the following common commands: - GET_CAPABILITIES - GET_SHM_ADDR - SET_SHM_ADDR
Signed-off-by: Tzung-Bi Shih tzungbi@google.com --- drivers/platform/chrome/cros_ec_trace.c | 1 + .../linux/platform_data/cros_ec_commands.h | 64 ++++++++++++++++++- 2 files changed, 63 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_trace.c b/drivers/platform/chrome/cros_ec_trace.c index e73bb6a8b00e..2ea0d4e0d54d 100644 --- a/drivers/platform/chrome/cros_ec_trace.c +++ b/drivers/platform/chrome/cros_ec_trace.c @@ -98,6 +98,7 @@ TRACE_SYMBOL(EC_CMD_SB_READ_BLOCK), \ TRACE_SYMBOL(EC_CMD_SB_WRITE_BLOCK), \ TRACE_SYMBOL(EC_CMD_BATTERY_VENDOR_PARAM), \ + TRACE_SYMBOL(EC_CMD_EC_CODEC), \ TRACE_SYMBOL(EC_CMD_EC_CODEC_DMIC), \ TRACE_SYMBOL(EC_CMD_EC_CODEC_I2S_RX), \ TRACE_SYMBOL(EC_CMD_REBOOT_EC), \ 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,