summaryrefslogtreecommitdiff
path: root/components/drivers/core/dm.c
blob: 8c87cae1e23cf07850a2b4fc70673970a2bccf60 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
/*
 * Copyright (c) 2006-2024, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-04-20     ErikChan     the first version
 */

#include <rtthread.h>

#ifdef RT_USING_OFW
#include <drivers/ofw_io.h>
#include <drivers/ofw_irq.h>
#endif
#include <drivers/core/dm.h>

#ifdef RT_USING_SMP
static int rti_secondary_cpu_start(void)
{
    return 0;
}
INIT_EXPORT(rti_secondary_cpu_start, "6.end");

static int rti_secondary_cpu_end(void)
{
    return 0;
}
INIT_EXPORT(rti_secondary_cpu_end, "7.end");

void rt_dm_secondary_cpu_init(void)
{
#ifdef RT_DEBUGING_AUTO_INIT
    int result;
    const struct rt_init_desc *desc;

    rt_kprintf("do secondary cpu initialization.\n");
    for (desc = &__rt_init_desc_rti_secondary_cpu_start; desc < &__rt_init_desc_rti_secondary_cpu_end; ++desc)
    {
        rt_kprintf("initialize %s", desc->fn_name);
        result = desc->fn();
        rt_kprintf(":%d done\n", result);
    }
#else
    volatile const init_fn_t *fn_ptr;

    for (fn_ptr = &__rt_init_rti_secondary_cpu_start; fn_ptr < &__rt_init_rti_secondary_cpu_end; ++fn_ptr)
    {
        (*fn_ptr)();
    }
#endif /* RT_DEBUGING_AUTO_INIT */
}
#endif /* RT_USING_SMP */

struct prefix_track
{
    rt_list_t list;

    int uid;
    const char *prefix;
};
static struct rt_spinlock _prefix_nodes_lock = { 0 };
static rt_list_t _prefix_nodes = RT_LIST_OBJECT_INIT(_prefix_nodes);

int rt_dm_dev_set_name_auto(rt_device_t dev, const char *prefix)
{
    int uid = -1;
    struct prefix_track *pt = RT_NULL;

    RT_ASSERT(dev != RT_NULL);
    RT_ASSERT(prefix != RT_NULL);

    RT_DEBUG_NOT_IN_INTERRUPT;

    rt_spin_lock(&_prefix_nodes_lock);

    rt_list_for_each_entry(pt, &_prefix_nodes, list)
    {
        /* caller always input constants string, check ptr is faster */
        if (pt->prefix == prefix || !rt_strcmp(pt->prefix, prefix))
        {
            uid = ++pt->uid;
            break;
        }
    }

    rt_spin_unlock(&_prefix_nodes_lock);

    if (uid < 0)
    {
        pt = rt_malloc(sizeof(*pt));

        if (!pt)
        {
            return -RT_ENOMEM;
        }

        rt_list_init(&pt->list);

        pt->uid = uid = 0;
        pt->prefix = prefix;

        rt_spin_lock(&_prefix_nodes_lock);

        rt_list_insert_before(&_prefix_nodes, &pt->list);

        rt_spin_unlock(&_prefix_nodes_lock);
    }

    return rt_dm_dev_set_name(dev, "%s%u", prefix, uid);
}

int rt_dm_dev_get_name_id(rt_device_t dev)
{
    int id = 0, len;
    const char *name;

    RT_ASSERT(dev != RT_NULL);

    name = rt_dm_dev_get_name(dev);
    len = rt_strlen(name) - 1;
    name += len;

    while (len --> 0)
    {
        if (*name < '0' || *name > '9')
        {
            while (*(++name))
            {
                id *= 10;
                id += *name - '0';
            }

            break;
        }

        --name;
    }

    return id;
}

int rt_dm_dev_set_name(rt_device_t dev, const char *format, ...)
{
    int n;
    va_list arg_ptr;

    RT_ASSERT(dev != RT_NULL);
    RT_ASSERT(format != RT_NULL);

    va_start(arg_ptr, format);
    n = rt_vsnprintf(dev->parent.name, RT_NAME_MAX, format, arg_ptr);
    va_end(arg_ptr);

    return n;
}

const char *rt_dm_dev_get_name(rt_device_t dev)
{
    RT_ASSERT(dev != RT_NULL);

    return dev->parent.name;
}

#ifdef RT_USING_OFW
#define ofw_api_call(name, ...)    rt_ofw_##name(__VA_ARGS__)
#define ofw_api_call_ptr(name, ...) ofw_api_call(name, __VA_ARGS__)
#else
#define ofw_api_call(name, ...)   (-RT_ENOSYS)
#define ofw_api_call_ptr(name, ...) RT_NULL
#endif

int rt_dm_dev_get_address_count(rt_device_t dev)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(get_address_count, dev->ofw_node);
    }
#endif

    return -RT_ENOSYS;
}

rt_err_t rt_dm_dev_get_address(rt_device_t dev, int index,
        rt_uint64_t *out_address, rt_uint64_t *out_size)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(get_address, dev->ofw_node, index,
                out_address, out_size);
    }
#endif

    return -RT_ENOSYS;
}

rt_err_t rt_dm_dev_get_address_by_name(rt_device_t dev, const char *name,
        rt_uint64_t *out_address, rt_uint64_t *out_size)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(get_address_by_name, dev->ofw_node, name,
                out_address, out_size);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_get_address_array(rt_device_t dev, int nr, rt_uint64_t *out_regs)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(get_address_array, dev->ofw_node, nr, out_regs);
    }
#endif

    return -RT_ENOSYS;
}

void *rt_dm_dev_iomap(rt_device_t dev, int index)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call_ptr(iomap, dev->ofw_node, index);
    }
#endif

    return RT_NULL;
}

void *rt_dm_dev_iomap_by_name(rt_device_t dev, const char *name)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call_ptr(iomap_by_name, dev->ofw_node, name);
    }
#endif

    return RT_NULL;
}

int rt_dm_dev_get_irq_count(rt_device_t dev)
{
    RT_ASSERT(dev != RT_NULL);

#if defined(RT_USING_OFW) && defined(RT_USING_PIC)
    if (dev->ofw_node)
    {
        return ofw_api_call(get_irq_count, dev->ofw_node);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_get_irq(rt_device_t dev, int index)
{
    RT_ASSERT(dev != RT_NULL);

#if defined(RT_USING_OFW) && defined(RT_USING_PIC)
    if (dev->ofw_node)
    {
        return ofw_api_call(get_irq, dev->ofw_node, index);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_get_irq_by_name(rt_device_t dev, const char *name)
{
    RT_ASSERT(dev != RT_NULL);

#if defined(RT_USING_OFW) && defined(RT_USING_PIC)
    if (dev->ofw_node)
    {
        return ofw_api_call(get_irq_by_name, dev->ofw_node, name);
    }
#endif

    return -RT_ENOSYS;
}

void rt_dm_dev_bind_fwdata(rt_device_t dev, void *fw_np, void *data)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (!dev->ofw_node && fw_np)
    {
        dev->ofw_node = fw_np;
        rt_ofw_data(fw_np) = data;
    }

    if (dev->ofw_node == RT_NULL)
    {
        rt_kprintf("[%s:%s] line=%d ofw_node is NULL\r\n", __FILE__, __func__, __LINE__);
        return;
    }

    rt_ofw_data(dev->ofw_node) = data;
#endif
}

void rt_dm_dev_unbind_fwdata(rt_device_t dev, void *fw_np)
{
    RT_ASSERT(dev!= RT_NULL);

#ifdef RT_USING_OFW
    void *dev_fw_np = RT_NULL;

    if (!dev->ofw_node && fw_np)
    {
        dev_fw_np = fw_np;
        rt_ofw_data(fw_np) = RT_NULL;
    }

    if (dev_fw_np == RT_NULL)
    {
        rt_kprintf("[%s:%s] line=%d dev_fw_np is NULL\r\n", __FILE__, __func__, __LINE__);
        return;
    }

    rt_ofw_data(dev_fw_np) = RT_NULL;
#endif
}

int rt_dm_dev_prop_read_u8_array_index(rt_device_t dev, const char *propname,
        int index, int nr, rt_uint8_t *out_values)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_UISNG_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_read_u8_array_index, dev->ofw_node, propname,
                index, nr, out_value);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_prop_read_u16_array_index(rt_device_t dev, const char *propname,
        int index, int nr, rt_uint16_t *out_values)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_read_u16_array_index, dev->ofw_node, propname,
                index, nr, out_values);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_prop_read_u32_array_index(rt_device_t dev, const char *propname,
        int index, int nr, rt_uint32_t *out_values)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_read_u32_array_index, dev->ofw_node, propname,
                index, nr, out_values);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_prop_read_u64_array_index(rt_device_t dev, const char *propname,
        int index, int nr, rt_uint64_t *out_values)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_read_u64_array_index, dev->ofw_node, propname,
                index, nr, out_values);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_prop_read_string_array_index(rt_device_t dev, const char *propname,
        int index, int nr, const char **out_strings)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_read_string_array_index, dev->ofw_node, propname,
                index, nr, out_strings);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_prop_count_of_size(rt_device_t dev, const char *propname, int size)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_count_of_size, dev->ofw_node, propname, size);
    }
#endif

    return -RT_ENOSYS;
}

int rt_dm_dev_prop_index_of_string(rt_device_t dev, const char *propname, const char *string)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_index_of_string, dev->ofw_node, propname, string);
    }
#endif

    return -RT_ENOSYS;
}

rt_bool_t rt_dm_dev_prop_read_bool(rt_device_t dev, const char *propname)
{
    RT_ASSERT(dev != RT_NULL);

#ifdef RT_USING_OFW
    if (dev->ofw_node)
    {
        return ofw_api_call(prop_read_bool, dev->ofw_node, propname);
    }
#endif

    return RT_FALSE;
}