bsp: k230: add tsensor driver

Signed-off-by: Wang Chen <[email protected]>

Author: unicornx

bsp/k230/drivers/interdrv/tsensor/SConscript

@@ -0,0 +1,19 @@
+# RT-Thread building script for component
+
+from building import *
+
+cwd     = GetCurrentDir()
+src     = Glob('*.c') + Glob('*.S')
+CPPPATH = [cwd]
+
+group = DefineGroup('TS', src, depend = ['RT_USING_TS'], CPPPATH = CPPPATH)
+
+objs = [group]
+
+list = os.listdir(cwd)
+
+for item in list:
+    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
+        objs = objs + SConscript(os.path.join(item, 'SConscript'))
+
+Return('objs')

bsp/k230/drivers/interdrv/tsensor/drv_ts.c

@@ -0,0 +1,116 @@
+/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS 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.
+ */
+
+#include <rtthread.h>
+#include <rthw.h>
+#include <rtdevice.h>
+#include <riscv_io.h>
+#include "ioremap.h"
+#include "drv_ts.h"
+#include "board.h"
+#include "drv_hardlock.h"
+#if defined(RT_USING_POSIX_DEVIO)
+#include <dfs_posix.h>
+#include <poll.h>
+#include <termios.h>
+#endif
+
+#include <rthw.h>
+
+static struct rt_device g_ts_device = {0};
+void *ts_base_addr = RT_NULL;
+static int ts_hardlock;
+
+rt_ssize_t ts_device_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
+{
+    rt_uint32_t *outbuf = (rt_uint32_t *)buffer;
+    rt_uint32_t val = 0;
+    rt_uint32_t ret = -1;
+    void *ts_read_addr = (void *)((char *)ts_base_addr + TS_READ_OFFSET);
+    void *ts_config_addr = (void *)((char *)ts_base_addr + TS_CONFIG_OFFSET);
+
+    while(0 != kd_hardlock_lock(ts_hardlock));
+
+    writel(0x22, ts_config_addr);
+    writel(0x23, ts_config_addr);
+    rt_thread_mdelay(20);
+    kd_hardlock_unlock(ts_hardlock);
+
+    while(1)
+    {
+        val = readl(ts_read_addr);
+
+        if(val >> 12)
+        {
+            *outbuf = val;
+            break;
+        }   
+    }
+    ret = sizeof(outbuf) / sizeof(outbuf[0]);
+
+    return ret;
+}
+
+const static struct rt_device_ops ts_ops =
+{
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    ts_device_read,
+    RT_NULL,
+    RT_NULL
+};
+
+int rt_hw_ts_init(void)
+{
+    rt_err_t ret = RT_EOK;
+    rt_device_t ts_device = &g_ts_device;
+
+    ts_base_addr = rt_ioremap((void*)TS_BASE_ADDR, TS_IO_SIZE);
+    if(ts_base_addr == RT_NULL) {
+        rt_kprintf("ts ioremap error\n");
+        return -1;
+    }
+
+    ret = rt_device_register(ts_device, "ts", RT_DEVICE_FLAG_RDWR);
+    if(ret) {
+        rt_kprintf("ts device register fail\n");
+        return ret;
+    }
+
+    ts_device->ops = &ts_ops;
+
+    if(kd_request_lock(HARDLOCK_TS)) {
+        rt_kprintf("fail to request hardlock-%d\n", HARDLOCK_TS);
+        ts_hardlock = -1;
+    } else
+        ts_hardlock = HARDLOCK_TS;
+#ifndef RT_FASTBOOT
+    if(!ret)
+        rt_kprintf("%s OK\n", __func__);
+#endif
+    return ret;
+}
+INIT_BOARD_EXPORT(rt_hw_ts_init);

bsp/k230/drivers/interdrv/tsensor/drv_ts.h

@@ -0,0 +1,36 @@
+/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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 THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS 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 __DRV_TS__
+#define __DRV_TS__
+
+#include <rtdef.h>
+
+#define TS_READ_OFFSET             0x4
+#define TS_CONFIG_OFFSET           0x0
+
+rt_ssize_t ts_device_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size);
+
+#endif /*__DRV_TS__*/