コード例 #1
0
int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
			     u32 size)
{
	int status;
	s32 buffer_count = 0;
	s32 num_writes = 0;
	bool dirty = 0;
	u32 i;
	void __iomem *base_address = drvdata->base_address;

	
	for (i = 0, buffer_count = 0; i < size; i++) {

		
		buffer_icap_set_bram(base_address, buffer_count, data[i]);
		dirty = 1;

		if (buffer_count < XHI_MAX_BUFFER_INTS - 1) {
			buffer_count++;
			continue;
		}

		
		status = buffer_icap_device_write(
				drvdata,
				XHI_BUFFER_START,
				XHI_MAX_BUFFER_INTS);
		if (status != 0) {
			
			buffer_icap_reset(drvdata);
			return status;
		}

		buffer_count = 0;
		num_writes++;
		dirty = 0;
	}

	
	if (dirty) {
		
		status = buffer_icap_device_write(drvdata, XHI_BUFFER_START,
					     buffer_count);
		if (status != 0) {
			
			buffer_icap_reset(drvdata);
		}
		return status;
	}

	return 0;
};
コード例 #2
0
/**
 * buffer_icap_set_configuration - Load a partial bitstream from system memory.
 * @drvdata: a pointer to the drvdata.
 * @data: Kernel address of the partial bitstream.
 * @size: the size of the partial bitstream in 32 bit words.
 **/
int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
			     u32 size)
{
	int status;
	s32 buffer_count = 0;
	bool dirty = false;
	u32 i;
	void __iomem *base_address = drvdata->base_address;

	/* Loop through all the data */
	for (i = 0, buffer_count = 0; i < size; i++) {

		/* Copy data to bram */
		buffer_icap_set_bram(base_address, buffer_count, data[i]);
		dirty = true;

		if (buffer_count < XHI_MAX_BUFFER_INTS - 1) {
			buffer_count++;
			continue;
		}

		/* Write data to ICAP */
		status = buffer_icap_device_write(
				drvdata,
				XHI_BUFFER_START,
				XHI_MAX_BUFFER_INTS);
		if (status != 0) {
			/* abort. */
			buffer_icap_reset(drvdata);
			return status;
		}

		buffer_count = 0;
		dirty = false;
	}

	/* Write unwritten data to ICAP */
	if (dirty) {
		/* Write data to ICAP */
		status = buffer_icap_device_write(drvdata, XHI_BUFFER_START,
					     buffer_count);
		if (status != 0) {
			/* abort. */
			buffer_icap_reset(drvdata);
		}
		return status;
	}

	return 0;
};