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[Kernel] Add device ops feature.

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This commit is contained in:
Bernard Xiong
2018-06-10 17:59:17 +08:00
parent bca65f30a9
commit 884fb70fe9
37 changed files with 795 additions and 200 deletions
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26
components/drivers/audio/audio.c
View File

@@ -421,6 +421,18 @@ static rt_err_t _audio_dev_control(struct rt_device *dev, int cmd, void *args)
return result;
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops audio_ops =
{
_audio_dev_init,
_audio_dev_open,
_audio_dev_close,
_audio_dev_read,
_audio_dev_write,
_audio_dev_control
};
#endif
rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_uint32_t flag, void *data)
{
struct rt_device *device;
@@ -431,12 +443,16 @@ rt_err_t rt_audio_register(struct rt_audio_device *audio, const char *name, rt_u
device->rx_indicate = RT_NULL;
device->tx_complete = RT_NULL;
device->init = _audio_dev_init;
device->open = _audio_dev_open;
device->close = _audio_dev_close;
device->read = _audio_dev_read;
device->write = _audio_dev_write;
#ifdef RT_USING_DEVICE_OPS
device->ops = &audio_ops;
#else
device->init = _audio_dev_init;
device->open = _audio_dev_open;
device->close = _audio_dev_close;
device->read = _audio_dev_read;
device->write = _audio_dev_write;
device->control = _audio_dev_control;
#endif
device->user_data = data;
//init memory pool for replay

20
components/drivers/audio/audio_pipe.c
View File

@@ -193,14 +193,26 @@ static rt_size_t rt_pipe_write(rt_device_t dev,
static rt_err_t rt_pipe_control(rt_device_t dev, int cmd, void *args)
{
struct rt_audio_pipe *pipe;
pipe = (struct rt_audio_pipe *)dev;
if (cmd == PIPE_CTRL_GET_SPACE && args)
*(rt_size_t*)args = rt_ringbuffer_space_len(&pipe->ringbuffer);
return RT_EOK;
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops audio_pipe_ops
{
RT_NULL,
RT_NULL,
RT_NULL,
rt_pipe_read,
rt_pipe_write,
rt_pipe_control
};
#endif
/**
* This function will initialize a pipe device and put it under control of
* resource management.
@@ -233,12 +245,16 @@ rt_err_t rt_audio_pipe_init(struct rt_audio_pipe *pipe,
/* create pipe */
pipe->parent.type = RT_Device_Class_Pipe;
#ifdef RT_USING_DEVICE_OPS
pipe->parent.ops = &audio_pipe_ops;
#else
pipe->parent.init = RT_NULL;
pipe->parent.open = RT_NULL;
pipe->parent.close = RT_NULL;
pipe->parent.read = rt_pipe_read;
pipe->parent.write = rt_pipe_write;
pipe->parent.control = rt_pipe_control;
#endif
return rt_device_register(&(pipe->parent), name, RT_DEVICE_FLAG_RDWR);
}