Merge "msm: ipa4: add masked ipa_wigig debug registers values" (4ba483c5) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/platform/msm/ipa/ipa_clients/ipa_wigig.c

+31 −0

Original line number	Diff line number	Diff line
		@@ -71,8 +71,10 @@ struct ipa_wigig_pipe_values {
		uint8_t dir;
		uint8_t tx_ring_id;
		uint32_t desc_ring_HWHEAD;
		uint16_t desc_ring_HWHEAD_masked;
		uint32_t desc_ring_HWTAIL;
		uint32_t status_ring_HWHEAD;
		uint16_t status_ring_HWHEAD_masked;
		uint32_t status_ring_HWTAIL;
		};

		@@ -1059,6 +1061,9 @@ int ipa_wigig_save_regs(void)
		for (i = 0; i < IPA_WIGIG_MAX_PIPES; i++) {
		pipe_connected = (ipa_wigig_ctx->conn_pipes & (0x1 << i));
		if (pipe_connected) {
		uint32_t mask;
		uint8_t shift;

		ret = ipa_wigig_get_regs_addr(
		&desc_ring_h, &desc_ring_t,
		&status_ring_h, &status_ring_t, i);
		@@ -1083,12 +1088,38 @@ int ipa_wigig_save_regs(void)
		readval = readl_relaxed(desc_ring_h);
		ipa_wigig_ctx->regs_save.pipes_val[i].desc_ring_HWHEAD =
		readval;
		/* HWHEAD LSbs are for even IDs, MSbs for odd IDs */
		if (i != IPA_CLIENT_WIGIG_PROD_IDX) {
		mask = 0xFFFF0000;
		shift = 16;

		if ((ipa_wigig_ctx->regs_save.pipes_val[i]
		.tx_ring_id % 2) == 0) {
		mask = 0x0000FFFF;
		shift = 0;
		}
		ipa_wigig_ctx->regs_save.pipes_val[i]
		.desc_ring_HWHEAD_masked =
		(readval & mask) >> shift;
		}
		readval = readl_relaxed(desc_ring_t);
		ipa_wigig_ctx->regs_save.pipes_val[i].desc_ring_HWTAIL =
		readval;
		readval = readl_relaxed(status_ring_h);
		ipa_wigig_ctx->regs_save.pipes_val[i]
		.status_ring_HWHEAD = readval;
		/* two status rings, MSbs for RX LSbs for TX */
		if (i == IPA_CLIENT_WIGIG_PROD_IDX) {
		mask = 0xFFFF0000;
		shift = 16;
		} else {
		mask = 0x0000FFFF;
		shift = 0;
		}
		ipa_wigig_ctx->regs_save.pipes_val[i]
		.status_ring_HWHEAD_masked =
		(readval & mask) >> shift;

		readval = readl_relaxed(status_ring_t);
		ipa_wigig_ctx->regs_save.pipes_val[i]
		.status_ring_HWTAIL = readval;