Example #1
0
int msm_jpeg_hw_exec_cmds(struct msm_jpeg_hw_cmd *hw_cmd_p, uint32_t m_cmds,
	uint32_t max_size, void *base)
{
	int is_copy_to_user = 0;
	uint32_t data;

	while (m_cmds--) {
		if (hw_cmd_p->offset >= max_size) {
			JPEG_PR_ERR("%s:%d] %d exceed hw region %d\n", __func__,
				__LINE__, hw_cmd_p->offset, max_size);
			return -EFAULT;
		}
		if (hw_cmd_p->offset & 0x3) {
			JPEG_PR_ERR("%s:%d] %d Invalid alignment\n", __func__,
					__LINE__, hw_cmd_p->offset);
			return -EFAULT;
		}

		switch (hw_cmd_p->type) {
		case MSM_JPEG_HW_CMD_TYPE_READ:
			hw_cmd_p->data = msm_jpeg_hw_read(hw_cmd_p, base);
			is_copy_to_user = 1;
			break;

		case MSM_JPEG_HW_CMD_TYPE_WRITE:
			msm_jpeg_hw_write(hw_cmd_p, base);
			break;

		case MSM_JPEG_HW_CMD_TYPE_WRITE_OR:
			data = msm_jpeg_hw_read(hw_cmd_p, base);
			hw_cmd_p->data = (hw_cmd_p->data & hw_cmd_p->mask) |
				data;
			msm_jpeg_hw_write(hw_cmd_p, base);
			break;

		case MSM_JPEG_HW_CMD_TYPE_UWAIT:
			msm_jpeg_hw_wait(hw_cmd_p, 1, base);
			break;

		case MSM_JPEG_HW_CMD_TYPE_MWAIT:
			msm_jpeg_hw_wait(hw_cmd_p, 1000, base);
			break;

		case MSM_JPEG_HW_CMD_TYPE_UDELAY:
			msm_jpeg_hw_delay(hw_cmd_p, 1);
			break;

		case MSM_JPEG_HW_CMD_TYPE_MDELAY:
			msm_jpeg_hw_delay(hw_cmd_p, 1000);
			break;

		default:
			JPEG_PR_ERR("wrong hw command type\n");
			break;
		}

		hw_cmd_p++;
	}
	return is_copy_to_user;
}
Example #2
0
int msm_jpeg_hw_irq_get_status(void)
{
	uint32_t n_irq_status = 0;
	rmb();
	n_irq_status = msm_jpeg_hw_read(&hw_cmd_irq_get_status[0]);
	rmb();
	return n_irq_status;
}
Example #3
0
long msm_jpeg_hw_encode_output_size(void)
{
	uint32_t encode_output_size = 0;

	encode_output_size = msm_jpeg_hw_read(&hw_cmd_encode_output_size[0]);

	return encode_output_size;
}
Example #4
0
int msm_jpeg_hw_wait(struct msm_jpeg_hw_cmd *hw_cmd_p, int m_us)
{
	int tm = hw_cmd_p->n;
	uint32_t data;
	uint32_t wait_data = hw_cmd_p->data & hw_cmd_p->mask;

	data = msm_jpeg_hw_read(hw_cmd_p);
	if (data != wait_data) {
		while (tm) {
			udelay(m_us);
			data = msm_jpeg_hw_read(hw_cmd_p);
			if (data == wait_data)
				break;
			tm--;
		}
	}
	hw_cmd_p->data = data;
	return tm;
}
Example #5
0
int msm_jpeg_hw_irq_get_status(void *base)
{
	uint32_t n_irq_status = 0;
	n_irq_status = msm_jpeg_hw_read(&hw_cmd_irq_get_status[0], base);
	return n_irq_status;
}