From: Mark Greer Date: Tue, 31 Mar 2015 23:49:56 +0000 (-0700) Subject: greybus: Initial I2S definitions X-Git-Tag: v4.9-rc1~119^2~378^2~21^2~1616 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=045235f118917210ab9574c768b2625231e2069b;p=karo-tx-linux.git greybus: Initial I2S definitions These are definitions from Mark that I've consolidated into one header file. I'd like to get these merged at some point soon, so the audio driver and gbsim work can avoid having out-of-tree dependencies. Signed-off-by: Mark A. Greer Reviewed-by: Alex Elder Signed-off-by: John Stultz Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/greybus/greybus_manifest.h b/drivers/staging/greybus/greybus_manifest.h index 4b2cf9220843..9ab1c82bbf18 100644 --- a/drivers/staging/greybus/greybus_manifest.h +++ b/drivers/staging/greybus/greybus_manifest.h @@ -35,7 +35,7 @@ enum greybus_protocol { GREYBUS_PROTOCOL_SDIO = 0x07, GREYBUS_PROTOCOL_BATTERY = 0x08, GREYBUS_PROTOCOL_PWM = 0x09, - GREYBUS_PROTOCOL_I2S = 0x0a, + GREYBUS_PROTOCOL_I2S_MGMT = 0x0a, GREYBUS_PROTOCOL_SPI = 0x0b, GREYBUS_PROTOCOL_DISPLAY = 0x0c, GREYBUS_PROTOCOL_CAMERA = 0x0d, @@ -43,6 +43,8 @@ enum greybus_protocol { GREYBUS_PROTOCOL_LED = 0x0f, GREYBUS_PROTOCOL_VIBRATOR = 0x10, GREYBUS_PROTOCOL_LOOPBACK = 0x11, + GREYBUS_PROTOCOL_I2S_RECEIVER = 0x12, + GREYBUS_PROTOCOL_I2S_TRANSMITTER = 0x13, /* ... */ GREYBUS_PROTOCOL_VENDOR = 0xff, }; diff --git a/drivers/staging/greybus/i2s.h b/drivers/staging/greybus/i2s.h new file mode 100644 index 000000000000..5c4275682c3a --- /dev/null +++ b/drivers/staging/greybus/i2s.h @@ -0,0 +1,145 @@ +#ifndef __GB_I2S_H__ +#define __GB_I2S_H__ + +#ifndef BIT +#define BIT(n) (1UL << (n)) +#endif + +#define GB_I2S_MGMT_TYPE_PROTOCOL_VERSION 0x01 +#define GB_I2S_MGMT_TYPE_GET_SUPPORTED_CONFIGURATIONS 0x02 +#define GB_I2S_MGMT_TYPE_SET_CONFIGURATION 0x03 +#define GB_I2S_MGMT_TYPE_SET_SAMPLES_PER_MESSAGE 0x04 +#define GB_I2S_MGMT_TYPE_GET_PROCESSING_DELAY 0x05 +#define GB_I2S_MGMT_TYPE_SET_START_DELAY 0x06 +#define GB_I2S_MGMT_TYPE_ACTIVATE_CPORT 0x07 +#define GB_I2S_MGMT_TYPE_DEACTIVATE_CPORT 0x08 +#define GB_I2S_MGMT_TYPE_REPORT_EVENT 0x09 + +#define GB_I2S_MGMT_BYTE_ORDER_NA BIT(0) +#define GB_I2S_MGMT_BYTE_ORDER_BE BIT(1) +#define GB_I2S_MGMT_BYTE_ORDER_LE BIT(2) + +#define GB_I2S_MGMT_SPATIAL_LOCATION_FL BIT(0) +#define GB_I2S_MGMT_SPATIAL_LOCATION_FR BIT(1) +#define GB_I2S_MGMT_SPATIAL_LOCATION_FC BIT(2) +#define GB_I2S_MGMT_SPATIAL_LOCATION_LFE BIT(3) +#define GB_I2S_MGMT_SPATIAL_LOCATION_BL BIT(4) +#define GB_I2S_MGMT_SPATIAL_LOCATION_BR BIT(5) +#define GB_I2S_MGMT_SPATIAL_LOCATION_FLC BIT(6) +#define GB_I2S_MGMT_SPATIAL_LOCATION_FRC BIT(7) +#define GB_I2S_MGMT_SPATIAL_LOCATION_C BIT(8) /* BC in USB */ +#define GB_I2S_MGMT_SPATIAL_LOCATION_SL BIT(9) +#define GB_I2S_MGMT_SPATIAL_LOCATION_SR BIT(10) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TC BIT(11) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TFL BIT(12) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TFC BIT(13) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TFR BIT(14) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TBL BIT(15) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TBC BIT(16) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TBR BIT(17) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TFLC BIT(18) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TFRC BIT(19) +#define GB_I2S_MGMT_SPATIAL_LOCATION_LLFE BIT(20) +#define GB_I2S_MGMT_SPATIAL_LOCATION_RLFE BIT(21) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TSL BIT(22) +#define GB_I2S_MGMT_SPATIAL_LOCATION_TSR BIT(23) +#define GB_I2S_MGMT_SPATIAL_LOCATION_BC BIT(24) +#define GB_I2S_MGMT_SPATIAL_LOCATION_BLC BIT(25) +#define GB_I2S_MGMT_SPATIAL_LOCATION_BRC BIT(26) +#define GB_I2S_MGMT_SPATIAL_LOCATION_RD BIT(31) + +#define GB_I2S_MGMT_PROTOCOL_PCM BIT(0) +#define GB_I2S_MGMT_PROTOCOL_I2S BIT(1) +#define GB_I2S_MGMT_PROTOCOL_LR_STEREO BIT(2) + +#define GB_I2S_MGMT_ROLE_MASTER BIT(0) +#define GB_I2S_MGMT_ROLE_SLAVE BIT(1) + +#define GB_I2S_MGMT_POLARITY_NORMAL BIT(0) +#define GB_I2S_MGMT_POLARITY_REVERSED BIT(1) + +#define GB_I2S_MGMT_EDGE_RISING BIT(0) +#define GB_I2S_MGMT_EDGE_FALLING BIT(1) + +#define GB_I2S_MGMT_EVENT_UNSPECIFIED 0x1 +#define GB_I2S_MGMT_EVENT_HALT 0x2 +#define GB_I2S_MGMT_EVENT_INTERNAL_ERROR 0x3 +#define GB_I2S_MGMT_EVENT_PROTOCOL_ERROR 0x4 +#define GB_I2S_MGMT_EVENT_FAILURE 0x5 +#define GB_I2S_MGMT_EVENT_OUT_OF_SEQUENCE 0x6 +#define GB_I2S_MGMT_EVENT_UNDERRUN 0x7 +#define GB_I2S_MGMT_EVENT_OVERRUN 0x8 +#define GB_I2S_MGMT_EVENT_CLOCKING 0x9 +#define GB_I2S_MGMT_EVENT_DATA_LEN 0xa + +struct gb_i2s_mgmt_configuration { + __le32 sample_frequency; + __u8 num_channels; + __u8 bytes_per_channel; + __u8 byte_order; + __u8 pad; + __le32 spatial_locations; + __le32 ll_protocol; + __u8 ll_bclk_role; + __u8 ll_wclk_role; + __u8 ll_wclk_polarity; + __u8 ll_wclk_change_edge; + __u8 ll_wclk_tx_edge; + __u8 ll_wclk_rx_edge; + __u8 ll_data_offset; + __u8 ll_pad; +}; + +/* get supported configurations request has no payload */ +struct gb_i2s_mgmt_get_supported_configurations_response { + __u8 config_count; + __u8 pad[3]; + struct gb_i2s_mgmt_configuration config[0]; +}; + +struct gb_i2s_mgmt_set_configuration_request { + struct gb_i2s_mgmt_configuration config; +}; +/* set configuration response has no payload */ + +struct gb_i2s_mgmt_set_samples_per_message_request { + __le16 samples_per_message; +}; +/* set samples per message response has no payload */ + +/* get processing request delay has no payload */ +struct gb_i2s_mgmt_get_processing_delay_response { + __le32 microseconds; +}; + +struct gb_i2s_mgmt_set_start_delay_request { + __le32 microseconds; +}; +/* set start delay response has no payload */ + +struct gb_i2s_mgmt_activate_cport_request { + __le16 cport; +}; +/* activate cport response has no payload */ + +struct gb_i2s_mgmt_deactivate_cport_request { + __le16 cport; +}; +/* deactivate cport response has no payload */ + +struct gb_i2s_mgmt_report_event_request { + __u8 event; +}; +/* report event response has no payload */ + +#define GB_I2S_DATA_TYPE_PROTOCOL_VERSION 0x01 +#define GB_I2S_DATA_TYPE_SEND_DATA 0x02 + +struct gb_i2s_send_data_request { + __le32 sample_number; + __le32 size; + __u8 data[0]; +}; +/* send data has no response at all */ + +#endif /* __GB_I2S_H__ */