+++ /dev/null
-/*
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
- * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details.
- *
- * BSD LICENSE
- *
- * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
- * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. or Linaro Ltd. nor the names of
- * its contributors may be used to endorse or promote products
- * derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
- * LINARO LTD. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __GB_GPBRIDGE_H__
-#define __GB_GPBRIDGE_H__
-
-/* I2C */
-
-/* Version of the Greybus i2c protocol we support */
-#define GB_I2C_VERSION_MAJOR 0x00
-#define GB_I2C_VERSION_MINOR 0x01
-
-/* Greybus i2c request types */
-#define GB_I2C_TYPE_INVALID 0x00
-#define GB_I2C_TYPE_PROTOCOL_VERSION 0x01
-#define GB_I2C_TYPE_FUNCTIONALITY 0x02
-#define GB_I2C_TYPE_TIMEOUT 0x03
-#define GB_I2C_TYPE_RETRIES 0x04
-#define GB_I2C_TYPE_TRANSFER 0x05
-
-#define GB_I2C_RETRIES_DEFAULT 3
-#define GB_I2C_TIMEOUT_DEFAULT 1000 /* milliseconds */
-
-/* functionality request has no payload */
-struct gb_i2c_functionality_response {
- __le32 functionality;
-};
-
-struct gb_i2c_timeout_request {
- __le16 msec;
-};
-/* timeout response has no payload */
-
-struct gb_i2c_retries_request {
- __u8 retries;
-};
-/* retries response has no payload */
-
-/*
- * Outgoing data immediately follows the op count and ops array.
- * The data for each write (master -> slave) op in the array is sent
- * in order, with no (e.g. pad) bytes separating them.
- *
- * Short reads cause the entire transfer request to fail So response
- * payload consists only of bytes read, and the number of bytes is
- * exactly what was specified in the corresponding op. Like
- * outgoing data, the incoming data is in order and contiguous.
- */
-struct gb_i2c_transfer_op {
- __le16 addr;
- __le16 flags;
- __le16 size;
-};
-
-struct gb_i2c_transfer_request {
- __le16 op_count;
- struct gb_i2c_transfer_op ops[0]; /* op_count of these */
-};
-struct gb_i2c_transfer_response {
- __u8 data[0]; /* inbound data */
-};
-
-
-/* GPIO */
-
-/* Version of the Greybus GPIO protocol we support */
-#define GB_GPIO_VERSION_MAJOR 0x00
-#define GB_GPIO_VERSION_MINOR 0x01
-
-/* Greybus GPIO request types */
-#define GB_GPIO_TYPE_INVALID 0x00
-#define GB_GPIO_TYPE_PROTOCOL_VERSION 0x01
-#define GB_GPIO_TYPE_LINE_COUNT 0x02
-#define GB_GPIO_TYPE_ACTIVATE 0x03
-#define GB_GPIO_TYPE_DEACTIVATE 0x04
-#define GB_GPIO_TYPE_GET_DIRECTION 0x05
-#define GB_GPIO_TYPE_DIRECTION_IN 0x06
-#define GB_GPIO_TYPE_DIRECTION_OUT 0x07
-#define GB_GPIO_TYPE_GET_VALUE 0x08
-#define GB_GPIO_TYPE_SET_VALUE 0x09
-#define GB_GPIO_TYPE_SET_DEBOUNCE 0x0a
-#define GB_GPIO_TYPE_IRQ_TYPE 0x0b
-#define GB_GPIO_TYPE_IRQ_ACK 0x0c
-#define GB_GPIO_TYPE_IRQ_MASK 0x0d
-#define GB_GPIO_TYPE_IRQ_UNMASK 0x0e
-#define GB_GPIO_TYPE_IRQ_EVENT 0x0f
-
-#define GB_GPIO_DEBOUNCE_USEC_DEFAULT 0 /* microseconds */
-
-/* line count request has no payload */
-struct gb_gpio_line_count_response {
- __u8 count;
-};
-
-struct gb_gpio_activate_request {
- __u8 which;
-};
-/* activate response has no payload */
-
-struct gb_gpio_deactivate_request {
- __u8 which;
-};
-/* deactivate response has no payload */
-
-struct gb_gpio_get_direction_request {
- __u8 which;
-};
-struct gb_gpio_get_direction_response {
- __u8 direction;
-};
-
-struct gb_gpio_direction_in_request {
- __u8 which;
-};
-/* direction in response has no payload */
-
-struct gb_gpio_direction_out_request {
- __u8 which;
- __u8 value;
-};
-/* direction out response has no payload */
-
-struct gb_gpio_get_value_request {
- __u8 which;
-};
-struct gb_gpio_get_value_response {
- __u8 value;
-};
-
-struct gb_gpio_set_value_request {
- __u8 which;
- __u8 value;
-};
-/* set value response has no payload */
-
-struct gb_gpio_set_debounce_request {
- __u8 which;
- __le16 usec __packed;
-};
-/* debounce response has no payload */
-
-struct gb_gpio_irq_type_request {
- __u8 which;
- __u8 type;
-};
-/* irq type response has no payload */
-
-struct gb_gpio_irq_mask_request {
- __u8 which;
-};
-/* irq mask response has no payload */
-
-struct gb_gpio_irq_unmask_request {
- __u8 which;
-};
-/* irq unmask response has no payload */
-
-struct gb_gpio_irq_ack_request {
- __u8 which;
-};
-/* irq ack response has no payload */
-
-/* irq event requests originate on another module and are handled on the AP */
-struct gb_gpio_irq_event_request {
- __u8 which;
-};
-/* irq event response has no payload */
-
-
-/* PWM */
-
-/* Version of the Greybus PWM protocol we support */
-#define GB_PWM_VERSION_MAJOR 0x00
-#define GB_PWM_VERSION_MINOR 0x01
-
-/* Greybus PWM operation types */
-#define GB_PWM_TYPE_INVALID 0x00
-#define GB_PWM_TYPE_PROTOCOL_VERSION 0x01
-#define GB_PWM_TYPE_PWM_COUNT 0x02
-#define GB_PWM_TYPE_ACTIVATE 0x03
-#define GB_PWM_TYPE_DEACTIVATE 0x04
-#define GB_PWM_TYPE_CONFIG 0x05
-#define GB_PWM_TYPE_POLARITY 0x06
-#define GB_PWM_TYPE_ENABLE 0x07
-#define GB_PWM_TYPE_DISABLE 0x08
-
-/* pwm count request has no payload */
-struct gb_pwm_count_response {
- __u8 count;
-};
-
-struct gb_pwm_activate_request {
- __u8 which;
-};
-
-struct gb_pwm_deactivate_request {
- __u8 which;
-};
-
-struct gb_pwm_config_request {
- __u8 which;
- __le32 duty __packed;
- __le32 period __packed;
-};
-
-struct gb_pwm_polarity_request {
- __u8 which;
- __u8 polarity;
-};
-
-struct gb_pwm_enable_request {
- __u8 which;
-};
-
-struct gb_pwm_disable_request {
- __u8 which;
-};
-
-/* I2S */
-
-#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_mclk_role;
- __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;
-};
-
-/* 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 */
-
-
-/* SPI */
-
-/* Version of the Greybus spi protocol we support */
-#define GB_SPI_VERSION_MAJOR 0x00
-#define GB_SPI_VERSION_MINOR 0x01
-
-/* Should match up with modes in linux/spi/spi.h */
-#define GB_SPI_MODE_CPHA 0x01 /* clock phase */
-#define GB_SPI_MODE_CPOL 0x02 /* clock polarity */
-#define GB_SPI_MODE_MODE_0 (0|0) /* (original MicroWire) */
-#define GB_SPI_MODE_MODE_1 (0|GB_SPI_MODE_CPHA)
-#define GB_SPI_MODE_MODE_2 (GB_SPI_MODE_CPOL|0)
-#define GB_SPI_MODE_MODE_3 (GB_SPI_MODE_CPOL|GB_SPI_MODE_CPHA)
-#define GB_SPI_MODE_CS_HIGH 0x04 /* chipselect active high? */
-#define GB_SPI_MODE_LSB_FIRST 0x08 /* per-word bits-on-wire */
-#define GB_SPI_MODE_3WIRE 0x10 /* SI/SO signals shared */
-#define GB_SPI_MODE_LOOP 0x20 /* loopback mode */
-#define GB_SPI_MODE_NO_CS 0x40 /* 1 dev/bus, no chipselect */
-#define GB_SPI_MODE_READY 0x80 /* slave pulls low to pause */
-
-/* Should match up with flags in linux/spi/spi.h */
-#define GB_SPI_FLAG_HALF_DUPLEX BIT(0) /* can't do full duplex */
-#define GB_SPI_FLAG_NO_RX BIT(1) /* can't do buffer read */
-#define GB_SPI_FLAG_NO_TX BIT(2) /* can't do buffer write */
-
-/* Greybus spi operation types */
-#define GB_SPI_TYPE_INVALID 0x00
-#define GB_SPI_TYPE_PROTOCOL_VERSION 0x01
-#define GB_SPI_TYPE_MODE 0x02
-#define GB_SPI_TYPE_FLAGS 0x03
-#define GB_SPI_TYPE_BITS_PER_WORD_MASK 0x04
-#define GB_SPI_TYPE_NUM_CHIPSELECT 0x05
-#define GB_SPI_TYPE_TRANSFER 0x06
-
-/* mode request has no payload */
-struct gb_spi_mode_response {
- __le16 mode;
-};
-
-/* flags request has no payload */
-struct gb_spi_flags_response {
- __le16 flags;
-};
-
-/* bits-per-word request has no payload */
-struct gb_spi_bpw_response {
- __le32 bits_per_word_mask;
-};
-
-/* num-chipselects request has no payload */
-struct gb_spi_chipselect_response {
- __le16 num_chipselect;
-};
-
-/**
- * struct gb_spi_transfer - a read/write buffer pair
- * @speed_hz: Select a speed other than the device default for this transfer. If
- * 0 the default (from @spi_device) is used.
- * @len: size of rx and tx buffers (in bytes)
- * @delay_usecs: microseconds to delay after this transfer before (optionally)
- * changing the chipselect status, then starting the next transfer or
- * completing this spi_message.
- * @cs_change: affects chipselect after this transfer completes
- * @bits_per_word: select a bits_per_word other than the device default for this
- * transfer. If 0 the default (from @spi_device) is used.
- */
-struct gb_spi_transfer {
- __le32 speed_hz;
- __le32 len;
- __le16 delay_usecs;
- __u8 cs_change;
- __u8 bits_per_word;
-};
-
-struct gb_spi_transfer_request {
- __u8 chip_select; /* of the spi device */
- __u8 mode; /* of the spi device */
- __le16 count;
- struct gb_spi_transfer transfers[0]; /* trnasfer_count of these */
-};
-
-struct gb_spi_transfer_response {
- __u8 data[0]; /* inbound data */
-};
-
-#endif /* __GB_GPBRIDGE_H__ */
#include "kernel_ver.h"
#include "greybus_id.h"
#include "greybus_manifest.h"
-#include "gpbridge.h"
+#include "greybus_protocols.h"
#include "manifest.h"
#include "endo.h"
#include "module.h"
--- /dev/null
+/*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
+ * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details.
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
+ * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. or Linaro Ltd. nor the names of
+ * its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
+ * LINARO LTD. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __GB_GPBRIDGE_H__
+#define __GB_GPBRIDGE_H__
+
+/* I2C */
+
+/* Version of the Greybus i2c protocol we support */
+#define GB_I2C_VERSION_MAJOR 0x00
+#define GB_I2C_VERSION_MINOR 0x01
+
+/* Greybus i2c request types */
+#define GB_I2C_TYPE_INVALID 0x00
+#define GB_I2C_TYPE_PROTOCOL_VERSION 0x01
+#define GB_I2C_TYPE_FUNCTIONALITY 0x02
+#define GB_I2C_TYPE_TIMEOUT 0x03
+#define GB_I2C_TYPE_RETRIES 0x04
+#define GB_I2C_TYPE_TRANSFER 0x05
+
+#define GB_I2C_RETRIES_DEFAULT 3
+#define GB_I2C_TIMEOUT_DEFAULT 1000 /* milliseconds */
+
+/* functionality request has no payload */
+struct gb_i2c_functionality_response {
+ __le32 functionality;
+};
+
+struct gb_i2c_timeout_request {
+ __le16 msec;
+};
+/* timeout response has no payload */
+
+struct gb_i2c_retries_request {
+ __u8 retries;
+};
+/* retries response has no payload */
+
+/*
+ * Outgoing data immediately follows the op count and ops array.
+ * The data for each write (master -> slave) op in the array is sent
+ * in order, with no (e.g. pad) bytes separating them.
+ *
+ * Short reads cause the entire transfer request to fail So response
+ * payload consists only of bytes read, and the number of bytes is
+ * exactly what was specified in the corresponding op. Like
+ * outgoing data, the incoming data is in order and contiguous.
+ */
+struct gb_i2c_transfer_op {
+ __le16 addr;
+ __le16 flags;
+ __le16 size;
+};
+
+struct gb_i2c_transfer_request {
+ __le16 op_count;
+ struct gb_i2c_transfer_op ops[0]; /* op_count of these */
+};
+struct gb_i2c_transfer_response {
+ __u8 data[0]; /* inbound data */
+};
+
+
+/* GPIO */
+
+/* Version of the Greybus GPIO protocol we support */
+#define GB_GPIO_VERSION_MAJOR 0x00
+#define GB_GPIO_VERSION_MINOR 0x01
+
+/* Greybus GPIO request types */
+#define GB_GPIO_TYPE_INVALID 0x00
+#define GB_GPIO_TYPE_PROTOCOL_VERSION 0x01
+#define GB_GPIO_TYPE_LINE_COUNT 0x02
+#define GB_GPIO_TYPE_ACTIVATE 0x03
+#define GB_GPIO_TYPE_DEACTIVATE 0x04
+#define GB_GPIO_TYPE_GET_DIRECTION 0x05
+#define GB_GPIO_TYPE_DIRECTION_IN 0x06
+#define GB_GPIO_TYPE_DIRECTION_OUT 0x07
+#define GB_GPIO_TYPE_GET_VALUE 0x08
+#define GB_GPIO_TYPE_SET_VALUE 0x09
+#define GB_GPIO_TYPE_SET_DEBOUNCE 0x0a
+#define GB_GPIO_TYPE_IRQ_TYPE 0x0b
+#define GB_GPIO_TYPE_IRQ_ACK 0x0c
+#define GB_GPIO_TYPE_IRQ_MASK 0x0d
+#define GB_GPIO_TYPE_IRQ_UNMASK 0x0e
+#define GB_GPIO_TYPE_IRQ_EVENT 0x0f
+
+#define GB_GPIO_DEBOUNCE_USEC_DEFAULT 0 /* microseconds */
+
+/* line count request has no payload */
+struct gb_gpio_line_count_response {
+ __u8 count;
+};
+
+struct gb_gpio_activate_request {
+ __u8 which;
+};
+/* activate response has no payload */
+
+struct gb_gpio_deactivate_request {
+ __u8 which;
+};
+/* deactivate response has no payload */
+
+struct gb_gpio_get_direction_request {
+ __u8 which;
+};
+struct gb_gpio_get_direction_response {
+ __u8 direction;
+};
+
+struct gb_gpio_direction_in_request {
+ __u8 which;
+};
+/* direction in response has no payload */
+
+struct gb_gpio_direction_out_request {
+ __u8 which;
+ __u8 value;
+};
+/* direction out response has no payload */
+
+struct gb_gpio_get_value_request {
+ __u8 which;
+};
+struct gb_gpio_get_value_response {
+ __u8 value;
+};
+
+struct gb_gpio_set_value_request {
+ __u8 which;
+ __u8 value;
+};
+/* set value response has no payload */
+
+struct gb_gpio_set_debounce_request {
+ __u8 which;
+ __le16 usec __packed;
+};
+/* debounce response has no payload */
+
+struct gb_gpio_irq_type_request {
+ __u8 which;
+ __u8 type;
+};
+/* irq type response has no payload */
+
+struct gb_gpio_irq_mask_request {
+ __u8 which;
+};
+/* irq mask response has no payload */
+
+struct gb_gpio_irq_unmask_request {
+ __u8 which;
+};
+/* irq unmask response has no payload */
+
+struct gb_gpio_irq_ack_request {
+ __u8 which;
+};
+/* irq ack response has no payload */
+
+/* irq event requests originate on another module and are handled on the AP */
+struct gb_gpio_irq_event_request {
+ __u8 which;
+};
+/* irq event response has no payload */
+
+
+/* PWM */
+
+/* Version of the Greybus PWM protocol we support */
+#define GB_PWM_VERSION_MAJOR 0x00
+#define GB_PWM_VERSION_MINOR 0x01
+
+/* Greybus PWM operation types */
+#define GB_PWM_TYPE_INVALID 0x00
+#define GB_PWM_TYPE_PROTOCOL_VERSION 0x01
+#define GB_PWM_TYPE_PWM_COUNT 0x02
+#define GB_PWM_TYPE_ACTIVATE 0x03
+#define GB_PWM_TYPE_DEACTIVATE 0x04
+#define GB_PWM_TYPE_CONFIG 0x05
+#define GB_PWM_TYPE_POLARITY 0x06
+#define GB_PWM_TYPE_ENABLE 0x07
+#define GB_PWM_TYPE_DISABLE 0x08
+
+/* pwm count request has no payload */
+struct gb_pwm_count_response {
+ __u8 count;
+};
+
+struct gb_pwm_activate_request {
+ __u8 which;
+};
+
+struct gb_pwm_deactivate_request {
+ __u8 which;
+};
+
+struct gb_pwm_config_request {
+ __u8 which;
+ __le32 duty __packed;
+ __le32 period __packed;
+};
+
+struct gb_pwm_polarity_request {
+ __u8 which;
+ __u8 polarity;
+};
+
+struct gb_pwm_enable_request {
+ __u8 which;
+};
+
+struct gb_pwm_disable_request {
+ __u8 which;
+};
+
+/* I2S */
+
+#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_mclk_role;
+ __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;
+};
+
+/* 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 */
+
+
+/* SPI */
+
+/* Version of the Greybus spi protocol we support */
+#define GB_SPI_VERSION_MAJOR 0x00
+#define GB_SPI_VERSION_MINOR 0x01
+
+/* Should match up with modes in linux/spi/spi.h */
+#define GB_SPI_MODE_CPHA 0x01 /* clock phase */
+#define GB_SPI_MODE_CPOL 0x02 /* clock polarity */
+#define GB_SPI_MODE_MODE_0 (0|0) /* (original MicroWire) */
+#define GB_SPI_MODE_MODE_1 (0|GB_SPI_MODE_CPHA)
+#define GB_SPI_MODE_MODE_2 (GB_SPI_MODE_CPOL|0)
+#define GB_SPI_MODE_MODE_3 (GB_SPI_MODE_CPOL|GB_SPI_MODE_CPHA)
+#define GB_SPI_MODE_CS_HIGH 0x04 /* chipselect active high? */
+#define GB_SPI_MODE_LSB_FIRST 0x08 /* per-word bits-on-wire */
+#define GB_SPI_MODE_3WIRE 0x10 /* SI/SO signals shared */
+#define GB_SPI_MODE_LOOP 0x20 /* loopback mode */
+#define GB_SPI_MODE_NO_CS 0x40 /* 1 dev/bus, no chipselect */
+#define GB_SPI_MODE_READY 0x80 /* slave pulls low to pause */
+
+/* Should match up with flags in linux/spi/spi.h */
+#define GB_SPI_FLAG_HALF_DUPLEX BIT(0) /* can't do full duplex */
+#define GB_SPI_FLAG_NO_RX BIT(1) /* can't do buffer read */
+#define GB_SPI_FLAG_NO_TX BIT(2) /* can't do buffer write */
+
+/* Greybus spi operation types */
+#define GB_SPI_TYPE_INVALID 0x00
+#define GB_SPI_TYPE_PROTOCOL_VERSION 0x01
+#define GB_SPI_TYPE_MODE 0x02
+#define GB_SPI_TYPE_FLAGS 0x03
+#define GB_SPI_TYPE_BITS_PER_WORD_MASK 0x04
+#define GB_SPI_TYPE_NUM_CHIPSELECT 0x05
+#define GB_SPI_TYPE_TRANSFER 0x06
+
+/* mode request has no payload */
+struct gb_spi_mode_response {
+ __le16 mode;
+};
+
+/* flags request has no payload */
+struct gb_spi_flags_response {
+ __le16 flags;
+};
+
+/* bits-per-word request has no payload */
+struct gb_spi_bpw_response {
+ __le32 bits_per_word_mask;
+};
+
+/* num-chipselects request has no payload */
+struct gb_spi_chipselect_response {
+ __le16 num_chipselect;
+};
+
+/**
+ * struct gb_spi_transfer - a read/write buffer pair
+ * @speed_hz: Select a speed other than the device default for this transfer. If
+ * 0 the default (from @spi_device) is used.
+ * @len: size of rx and tx buffers (in bytes)
+ * @delay_usecs: microseconds to delay after this transfer before (optionally)
+ * changing the chipselect status, then starting the next transfer or
+ * completing this spi_message.
+ * @cs_change: affects chipselect after this transfer completes
+ * @bits_per_word: select a bits_per_word other than the device default for this
+ * transfer. If 0 the default (from @spi_device) is used.
+ */
+struct gb_spi_transfer {
+ __le32 speed_hz;
+ __le32 len;
+ __le16 delay_usecs;
+ __u8 cs_change;
+ __u8 bits_per_word;
+};
+
+struct gb_spi_transfer_request {
+ __u8 chip_select; /* of the spi device */
+ __u8 mode; /* of the spi device */
+ __le16 count;
+ struct gb_spi_transfer transfers[0]; /* trnasfer_count of these */
+};
+
+struct gb_spi_transfer_response {
+ __u8 data[0]; /* inbound data */
+};
+
+#endif /* __GB_GPBRIDGE_H__ */
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff