From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/mmc/host/mmci_qcom_dml.c | 43 +++++++++++++++++++++++++++++--------------
1 files changed, 29 insertions(+), 14 deletions(-)
diff --git a/kernel/drivers/mmc/host/mmci_qcom_dml.c b/kernel/drivers/mmc/host/mmci_qcom_dml.c
index be3fab5..3da6112 100644
--- a/kernel/drivers/mmc/host/mmci_qcom_dml.c
+++ b/kernel/drivers/mmc/host/mmci_qcom_dml.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
*
* Copyright (c) 2011, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <linux/of.h>
#include <linux/of_dma.h>
@@ -54,10 +45,15 @@
#define DML_OFFSET 0x800
-void dml_start_xfer(struct mmci_host *host, struct mmc_data *data)
+static int qcom_dma_start(struct mmci_host *host, unsigned int *datactrl)
{
u32 config;
void __iomem *base = host->base + DML_OFFSET;
+ struct mmc_data *data = host->data;
+ int ret = mmci_dmae_start(host, datactrl);
+
+ if (ret)
+ return ret;
if (data->flags & MMC_DATA_READ) {
/* Read operation: configure DML for producer operation */
@@ -96,6 +92,7 @@
/* make sure the dml is configured before dma is triggered */
wmb();
+ return 0;
}
static int of_get_dml_pipe_index(struct device_node *np, const char *name)
@@ -119,19 +116,22 @@
}
/* Initialize the dml hardware connected to SD Card controller */
-static void qcom_dma_setup(struct mmci_host *host)
+static int qcom_dma_setup(struct mmci_host *host)
{
u32 config;
void __iomem *base;
int consumer_id, producer_id;
struct device_node *np = host->mmc->parent->of_node;
+ if (mmci_dmae_setup(host))
+ return -EINVAL;
+
consumer_id = of_get_dml_pipe_index(np, "tx");
producer_id = of_get_dml_pipe_index(np, "rx");
if (producer_id < 0 || consumer_id < 0) {
- host->variant->qcom_dml = false;
- return;
+ mmci_dmae_release(host);
+ return -EINVAL;
}
base = host->base + DML_OFFSET;
@@ -175,10 +175,25 @@
/* Make sure dml initialization is finished */
mb();
+
+ return 0;
+}
+
+static u32 qcom_get_dctrl_cfg(struct mmci_host *host)
+{
+ return MCI_DPSM_ENABLE | (host->data->blksz << 4);
}
static struct mmci_host_ops qcom_variant_ops = {
+ .prep_data = mmci_dmae_prep_data,
+ .unprep_data = mmci_dmae_unprep_data,
+ .get_datactrl_cfg = qcom_get_dctrl_cfg,
+ .get_next_data = mmci_dmae_get_next_data,
.dma_setup = qcom_dma_setup,
+ .dma_release = mmci_dmae_release,
+ .dma_start = qcom_dma_start,
+ .dma_finalize = mmci_dmae_finalize,
+ .dma_error = mmci_dmae_error,
};
void qcom_variant_init(struct mmci_host *host)
--
Gitblit v1.6.2