C++ (Cpp) msm_rpm_read_contiguous Examples

Example #1

File: rpm.c Project: IAmTheOneTheyCallNeo/sultan-kernel-pyramid

/*
 * Note: assumes caller has acquired <msm_rpm_irq_lock>.
 *
 * Return value:
 *   0: request acknowledgement
 *   1: notification
 *   2: spurious interrupt
 */
static int msm_rpm_process_ack_interrupt(void)
{
	uint32_t ctx_mask_ack;
	uint32_t sel_masks_ack[MSM_RPM_SEL_MASK_SIZE];

	ctx_mask_ack = msm_rpm_read(MSM_RPM_PAGE_CTRL, MSM_RPM_CTRL_ACK_CTX_0);
	msm_rpm_read_contiguous(MSM_RPM_PAGE_CTRL,
		MSM_RPM_CTRL_ACK_SEL_0, sel_masks_ack, MSM_RPM_SEL_MASK_SIZE);

	if (ctx_mask_ack & msm_rpm_get_ctx_mask(MSM_RPM_CTX_NOTIFICATION)) {
		struct msm_rpm_notification *n;
		int i;

		list_for_each_entry(n, &msm_rpm_notifications, list)
			for (i = 0; i < MSM_RPM_SEL_MASK_SIZE; i++)
				if (sel_masks_ack[i] & n->sel_masks[i]) {
					up(&n->sem);
					break;
				}

		msm_rpm_write_contiguous_zeros(MSM_RPM_PAGE_CTRL,
			MSM_RPM_CTRL_ACK_SEL_0, MSM_RPM_SEL_MASK_SIZE);
		msm_rpm_write(MSM_RPM_PAGE_CTRL, MSM_RPM_CTRL_ACK_CTX_0, 0);
		/* Ensure the write is complete before return */
		mb();

		return 1;
	}

	if (msm_rpm_request) {
		int i;

		*(msm_rpm_request->ctx_mask_ack) = ctx_mask_ack;
		memcpy(msm_rpm_request->sel_masks_ack, sel_masks_ack,
			sizeof(sel_masks_ack));

		for (i = 0; i < msm_rpm_request->count; i++)
			msm_rpm_request->req[i].value =
				msm_rpm_read(MSM_RPM_PAGE_ACK,
						msm_rpm_request->req[i].id);

		msm_rpm_write_contiguous_zeros(MSM_RPM_PAGE_CTRL,
			MSM_RPM_CTRL_ACK_SEL_0, MSM_RPM_SEL_MASK_SIZE);
		msm_rpm_write(MSM_RPM_PAGE_CTRL, MSM_RPM_CTRL_ACK_CTX_0, 0);
		/* Ensure the write is complete before return */
		mb();

		if (msm_rpm_request->done)
			complete_all(msm_rpm_request->done);

		msm_rpm_request = NULL;
		return 0;
	}

	return 2;
}

Example #2

File: rpm.c Project: lolhi/ef52-kernel

/*
 * Note: assumes caller has acquired <msm_rpm_irq_lock>.
 *
 * Return value:
 *   0: request acknowledgement
 *   1: notification
 *   2: spurious interrupt
 */
static int msm_rpm_process_ack_interrupt(void)
{
	uint32_t ctx_mask_ack;
	uint32_t sel_masks_ack[SEL_MASK_SIZE] = {0};

	ctx_mask_ack = msm_rpm_read(MSM_RPM_PAGE_CTRL,
			target_ctrl(MSM_RPM_CTRL_ACK_CTX_0));
	msm_rpm_read_contiguous(MSM_RPM_PAGE_CTRL,
		target_ctrl(MSM_RPM_CTRL_ACK_SEL_0),
		sel_masks_ack, msm_rpm_sel_mask_size);

	if (ctx_mask_ack & msm_rpm_get_ctx_mask(MSM_RPM_CTX_NOTIFICATION)) {
		struct msm_rpm_notification *n;
		int i;

		list_for_each_entry(n, &msm_rpm_notifications, list)
			for (i = 0; i < msm_rpm_sel_mask_size; i++)
				if (sel_masks_ack[i] & n->sel_masks[i]) {
					up(&n->sem);
					break;
				}

		msm_rpm_write_contiguous_zeros(MSM_RPM_PAGE_CTRL,
			target_ctrl(MSM_RPM_CTRL_ACK_SEL_0),
			msm_rpm_sel_mask_size);
		msm_rpm_write(MSM_RPM_PAGE_CTRL,
			target_ctrl(MSM_RPM_CTRL_ACK_CTX_0), 0);
		/* Ensure the write is complete before return */
		mb();

		return 1;
	}

	if (msm_rpm_request) {
		int i;

		*(msm_rpm_request->ctx_mask_ack) = ctx_mask_ack;
		memcpy(msm_rpm_request->sel_masks_ack, sel_masks_ack,
			sizeof(sel_masks_ack));

		for (i = 0; i < msm_rpm_request->count; i++)
			msm_rpm_request->req[i].value =
				msm_rpm_read(MSM_RPM_PAGE_ACK,
				target_enum(msm_rpm_request->req[i].id));

		msm_rpm_write_contiguous_zeros(MSM_RPM_PAGE_CTRL,
			target_ctrl(MSM_RPM_CTRL_ACK_SEL_0),
			msm_rpm_sel_mask_size);
		msm_rpm_write(MSM_RPM_PAGE_CTRL,
			target_ctrl(MSM_RPM_CTRL_ACK_CTX_0), 0);
		/* Ensure the write is complete before return */
		mb();

		if (msm_rpm_request->done)
			complete_all(msm_rpm_request->done);
		
#if defined(CONFIG_PANTECH_DEBUG)
#if defined(CONFIG_PANTECH_DEBUG_RPM_LOG) //p14291_121102
		pantech_debug_rpm_log(0, msm_rpm_request->req->id, msm_rpm_request->req->value); 
#endif
#endif

		msm_rpm_request = NULL;
		return 0;
	}

	return 2;
}