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bsp: k230: add gnne driver
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‎bsp/k230/.config‎

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@@ -1624,6 +1624,7 @@ CONFIG_PKG_ZLIB_VER="latest"
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#
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# Drivers Configuration
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#
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CONFIG_BSP_USING_GNEE=y
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# CONFIG_BSP_USING_SPI is not set
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# CONFIG_BSP_USING_I2C is not set
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# CONFIG_BSP_USING_RTC is not set

‎bsp/k230/board/Kconfig‎

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@@ -1,5 +1,9 @@
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menu "Drivers Configuration"
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config BSP_USING_GNEE
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bool "Enable GNNE"
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default n
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menuconfig BSP_USING_SPI
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bool "Enable SPI"
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select RT_USING_SPI

‎bsp/k230/drivers/interdrv/gnne/SConscript‎

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# RT-Thread building script for gnne component
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from building import *
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cwd = GetCurrentDir()
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src = Glob('*.c')
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CPPPATH = [cwd]
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group = DefineGroup('Gnne', src, depend = ['BSP_USING_GNEE'], CPPPATH = CPPPATH)
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objs = [group]
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list = os.listdir(cwd)
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for item in list:
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if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
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objs = objs + SConscript(os.path.join(item, 'SConscript'))
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Return('objs')

‎bsp/k230/drivers/interdrv/gnne/ai2d_dev.c‎

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/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2006-2025 RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#if defined(RT_USING_POSIX_DEVIO)
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#include <dfs_posix.h>
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#include <poll.h>
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#include <termios.h>
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#endif
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#define AI2D_LOG_ENABLE
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struct ai_2d_dev_handle {
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rt_wqueue_t *wait;
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};
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#ifdef AI2D_LOG_ENABLE
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#define ai_2d_log(s...) rt_kprintf(s)
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#else
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static int ai_2d_log(const char *fmt, ...)
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{
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return 0;
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}
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#endif
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#define ai_2d_info(s...) do { \
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ai_2d_log("<ai_2d> "); \
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ai_2d_log(s); \
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ai_2d_log("\r\n"); \
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} while (0)
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#define ai_2d_err(s...) do { \
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ai_2d_log("<err>[%s:%d] ", __func__, __LINE__); \
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ai_2d_log(s); \
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ai_2d_log("\r\n"); \
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} while (0)
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static struct rt_device g_ai_2d_device = {0};
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static struct rt_event g_ai_2d_event = {0};
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extern void *gnne_base_addr;
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static int ai_2d_device_open(struct dfs_file *file)
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{
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struct ai_2d_dev_handle *handle;
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rt_device_t device;
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handle = rt_malloc(sizeof (struct ai_2d_dev_handle));
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if(handle == RT_NULL) {
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ai_2d_err("malloc failed\n");
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return -1;
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}
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device = (rt_device_t)file->vnode->data;
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handle->wait = &device->wait_queue;
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file->data = (void*)handle;
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return RT_EOK;
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}
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static int ai_2d_device_close(struct dfs_file *file)
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{
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struct ai_2d_dev_handle *handle;
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handle = (struct ai_2d_dev_handle *)file->data;
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if(handle == RT_NULL) {
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ai_2d_err("try to close a invalid handle");
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return -RT_EINVAL;
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}
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rt_free(handle);
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file->data = RT_NULL;
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return RT_EOK;
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}
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static int ai_2d_device_ioctl(struct dfs_file *file, int cmd, void *args)
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{
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return 0;
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}
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int ai_2d_device_poll(struct dfs_file *file, struct rt_pollreq *req)
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{
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struct ai_2d_dev_handle *handle;
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unsigned int flags;
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handle = (struct ai_2d_dev_handle*)file->data;
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if (!handle) {
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ai_2d_err("ai_2d_dev_handle NULL!");
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return -EINVAL;
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}
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rt_event_recv(&g_ai_2d_event, 0x01, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER, NULL);
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rt_poll_add(handle->wait, req);
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return POLLIN;
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}
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static const struct dfs_file_ops ai_2d_input_fops = {
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.open = ai_2d_device_open,
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.close = ai_2d_device_close,
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.ioctl = ai_2d_device_ioctl,
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.poll = ai_2d_device_poll,
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};
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#define IRQN_AI2D_INTERRUPT (16 + 175)
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static void irq_callback(int irq, void *data)
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{
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rt_wqueue_t *wait = (rt_wqueue_t *)data;
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volatile rt_uint32_t *write_addr = (rt_uint32_t *)((char *)gnne_base_addr + 0xca0);
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if(gnne_base_addr == RT_NULL) {
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ai_2d_err("ai2d interrupts while the hardware is not yet initialized\n");
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}
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write_addr[0] = 1;
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write_addr[1] = 0;
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write_addr[2] = 0;
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write_addr[3] = 0;
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rt_wqueue_wakeup(wait, (void*)POLLIN);
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rt_event_send(&g_ai_2d_event, 0x1);
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}
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int ai_2d_device_init(void)
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{
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int ret = 0;
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rt_device_t ai_2d_device = &g_ai_2d_device;
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ret = rt_event_init(&g_ai_2d_event, "ai_2d_event", RT_IPC_FLAG_PRIO);
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if (ret) {
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ai_2d_err("event init failed\n");
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return -ENOMEM;
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}
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ret = rt_device_register(ai_2d_device, "ai_2d_device", RT_DEVICE_FLAG_RDWR);
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if(ret) {
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ai_2d_err("ai_2d_device register fail\n");
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return ret;
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}
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rt_wqueue_init(&ai_2d_device->wait_queue);
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rt_hw_interrupt_install(IRQN_AI2D_INTERRUPT, irq_callback, &ai_2d_device->wait_queue, "ai_2d_irq");
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rt_hw_interrupt_umask(IRQN_AI2D_INTERRUPT);
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ai_2d_device->fops = &ai_2d_input_fops;
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#ifndef RT_FASTBOOT
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if(!ret)
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ai_2d_info("%s OK\n", __func__);
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#endif
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return ret;
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}

‎bsp/k230/drivers/interdrv/gnne/ai_module.c‎

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/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
8+
* notice, this list of conditions and the following disclaimer in the
9+
* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
16+
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19+
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2006-2025 RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <rtthread.h>
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extern int gnne_device_init(void);
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extern int ai_2d_device_init(void);
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int ai_module_init(void)
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{
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gnne_device_init();
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ai_2d_device_init();
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}
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// INIT_DEVICE_EXPORT(ai_module_init);
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INIT_COMPONENT_EXPORT(ai_module_init);

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