From f918c12384cfe57d5be68fe1faa6272d30256ddb Mon Sep 17 00:00:00 2001
From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Date: Fri, 24 Nov 2023 13:19:53 +0200
Subject: [PATCH] imx93_a55: cleanup: Remove unnecessary lib files

With the transition to the native Zephyr drivers, the imx93_a55/lib/dai.c
and imx93_a55/lib/dma.c files become unnecessary. As such, remove
them in an attempt to clean up the src/platform/imx93_a55/ hierarchy.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
---
 src/platform/imx93_a55/lib/dai.c | 60 --------------------------------
 src/platform/imx93_a55/lib/dma.c | 58 ------------------------------
 2 files changed, 118 deletions(-)
 delete mode 100644 src/platform/imx93_a55/lib/dai.c
 delete mode 100644 src/platform/imx93_a55/lib/dma.c

diff --git a/src/platform/imx93_a55/lib/dai.c b/src/platform/imx93_a55/lib/dai.c
deleted file mode 100644
index 5f1cb3f7e534..000000000000
--- a/src/platform/imx93_a55/lib/dai.c
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-/*
- * Copyright 2023 NXP
- */
-
-#include <rtos/sof.h>
-#include <sof/drivers/sai.h>
-#include <sof/drivers/edma.h>
-#include <sof/lib/memory.h>
-
-static struct dai sai[] = {
-	{
-		.index = 3, /* SOF uses SAI3 */
-		.plat_data = {
-			.base = SAI3_BASE,
-			.fifo[SOF_IPC_STREAM_PLAYBACK] = {
-				.offset = SAI3_BASE + REG_SAI_TDR0,
-				.depth = 128, /* number of 32-bit words */
-				.watermark = 64, /* needs to be half the depth */
-				.handshake = EDMA_HANDSHAKE(EDMA2_SAI3_CHAN_TX_IRQ,
-							    EDMA2_SAI3_CHAN_TX,
-							    EDMA2_SAI3_TX_MUX),
-			},
-			.fifo[SOF_IPC_STREAM_CAPTURE] = {
-				.offset = SAI3_BASE + REG_SAI_RDR0,
-				.depth = 128,
-				.watermark = 64,
-				.handshake = EDMA_HANDSHAKE(EDMA2_SAI3_CHAN_RX_IRQ,
-							    EDMA2_SAI3_CHAN_RX,
-							    EDMA2_SAI3_RX_MUX),
-			},
-		},
-		.drv = &sai_driver,
-	},
-};
-
-static const struct dai_type_info dti[] = {
-	{
-		.type = SOF_DAI_IMX_SAI,
-		.dai_array = sai,
-		.num_dais = ARRAY_SIZE(sai),
-	},
-};
-
-static const struct dai_info lib_dai = {
-	.dai_type_array = dti,
-	.num_dai_types = ARRAY_SIZE(dti)
-};
-
-int dai_init(struct sof *sof)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(sai); i++)
-		k_spinlock_init(&dti[0].dai_array[i].lock);
-
-	sof->dai_info = &lib_dai;
-
-	return 0;
-}
diff --git a/src/platform/imx93_a55/lib/dma.c b/src/platform/imx93_a55/lib/dma.c
deleted file mode 100644
index 280748711647..000000000000
--- a/src/platform/imx93_a55/lib/dma.c
+++ /dev/null
@@ -1,58 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-/*
- * Copyright 2023 NXP
- */
-
-#include <rtos/sof.h>
-#include <sof/lib/dma.h>
-#include <sof/drivers/edma.h>
-
-extern struct dma_ops dummy_dma_ops;
-extern struct dma_ops edma_ops;
-
-static const int edma2_ints[EDMA2_CHAN_MAX] = {
-	[EDMA2_SAI3_CHAN_RX] = EDMA2_SAI3_CHAN_RX_IRQ,
-	[EDMA2_SAI3_CHAN_TX] = EDMA2_SAI3_CHAN_TX_IRQ,
-};
-
-static struct dma dma[PLATFORM_NUM_DMACS] = {
-	{
-		.plat_data = {
-			.id = DMA_ID_EDMA2,
-			.dir = DMA_DIR_MEM_TO_DEV | DMA_DIR_DEV_TO_MEM,
-			.devs = DMA_DEV_SAI,
-			.base = EDMA2_BASE,
-			.chan_size = EDMA2_CHAN_SIZE,
-			.channels = EDMA2_CHAN_MAX,
-			.drv_plat_data = edma2_ints,
-		},
-		.ops = &edma_ops,
-	},
-	{
-		.plat_data = {
-			.id = DMA_ID_HOST,
-			.dir = DMA_DIR_HMEM_TO_LMEM | DMA_DIR_LMEM_TO_HMEM,
-			.devs = DMA_DEV_HOST,
-			.channels = 16
-		},
-		.ops = &dummy_dma_ops,
-	},
-};
-
-static const struct dma_info lib_dma = {
-	.dma_array = dma,
-	.num_dmas = ARRAY_SIZE(dma)
-};
-
-int dmac_init(struct sof *sof)
-{
-	int i;
-
-	/* early lock initialization for ref counting */
-	for (i = 0; i < ARRAY_SIZE(dma); i++)
-		k_spinlock_init(&dma[i].lock);
-
-	sof->dma_info = &lib_dma;
-
-	return 0;
-}