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/sdhci_f_sdh30.c | 105 ++++++++++++++++++----------------------------------
1 files changed, 37 insertions(+), 68 deletions(-)
diff --git a/kernel/drivers/mmc/host/sdhci_f_sdh30.c b/kernel/drivers/mmc/host/sdhci_f_sdh30.c
index 485f759..7ede74b 100644
--- a/kernel/drivers/mmc/host/sdhci_f_sdh30.c
+++ b/kernel/drivers/mmc/host/sdhci_f_sdh30.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/mmc/host/sdhci_f_sdh30.c
*
* Copyright (C) 2013 - 2015 Fujitsu Semiconductor, Ltd
* Vincent Yang <vincent.yang@tw.fujitsu.com>
* Copyright (C) 2015 Linaro Ltd Andy Green <andy.green@linaro.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
*/
#include <linux/acpi.h>
@@ -19,31 +16,7 @@
#include <linux/clk.h>
#include "sdhci-pltfm.h"
-
-/* F_SDH30 extended Controller registers */
-#define F_SDH30_AHB_CONFIG 0x100
-#define F_SDH30_AHB_BIGED 0x00000040
-#define F_SDH30_BUSLOCK_DMA 0x00000020
-#define F_SDH30_BUSLOCK_EN 0x00000010
-#define F_SDH30_SIN 0x00000008
-#define F_SDH30_AHB_INCR_16 0x00000004
-#define F_SDH30_AHB_INCR_8 0x00000002
-#define F_SDH30_AHB_INCR_4 0x00000001
-
-#define F_SDH30_TUNING_SETTING 0x108
-#define F_SDH30_CMD_CHK_DIS 0x00010000
-
-#define F_SDH30_IO_CONTROL2 0x114
-#define F_SDH30_CRES_O_DN 0x00080000
-#define F_SDH30_MSEL_O_1_8 0x00040000
-
-#define F_SDH30_ESD_CONTROL 0x124
-#define F_SDH30_EMMC_RST 0x00000002
-#define F_SDH30_EMMC_HS200 0x01000000
-
-#define F_SDH30_CMD_DAT_DELAY 0x200
-
-#define F_SDH30_MIN_CLOCK 400000
+#include "sdhci_f_sdh30.h"
struct f_sdhost_priv {
struct clk *clk_iface;
@@ -53,9 +26,16 @@
bool enable_cmd_dat_delay;
};
+static void *sdhci_f_sdhost_priv(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+
+ return sdhci_pltfm_priv(pltfm_host);
+}
+
static void sdhci_f_sdh30_soft_voltage_switch(struct sdhci_host *host)
{
- struct f_sdhost_priv *priv = sdhci_priv(host);
+ struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
u32 ctrl = 0;
usleep_range(2500, 3000);
@@ -88,7 +68,7 @@
static void sdhci_f_sdh30_reset(struct sdhci_host *host, u8 mask)
{
- struct f_sdhost_priv *priv = sdhci_priv(host);
+ struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
u32 ctl;
if (sdhci_readw(host, SDHCI_CLOCK_CONTROL) == 0)
@@ -112,32 +92,31 @@
.set_uhs_signaling = sdhci_set_uhs_signaling,
};
+static const struct sdhci_pltfm_data sdhci_f_sdh30_pltfm_data = {
+ .ops = &sdhci_f_sdh30_ops,
+ .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC
+ | SDHCI_QUIRK_INVERTED_WRITE_PROTECT,
+ .quirks2 = SDHCI_QUIRK2_SUPPORT_SINGLE
+ | SDHCI_QUIRK2_TUNING_WORK_AROUND,
+};
+
static int sdhci_f_sdh30_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct device *dev = &pdev->dev;
- struct resource *res;
- int irq, ctrl = 0, ret = 0;
+ int ctrl = 0, ret = 0;
struct f_sdhost_priv *priv;
+ struct sdhci_pltfm_host *pltfm_host;
u32 reg = 0;
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "%s: no irq specified\n", __func__);
- return irq;
- }
-
- host = sdhci_alloc_host(dev, sizeof(struct f_sdhost_priv));
+ host = sdhci_pltfm_init(pdev, &sdhci_f_sdh30_pltfm_data,
+ sizeof(struct f_sdhost_priv));
if (IS_ERR(host))
return PTR_ERR(host);
- priv = sdhci_priv(host);
+ pltfm_host = sdhci_priv(host);
+ priv = sdhci_pltfm_priv(pltfm_host);
priv->dev = dev;
-
- host->quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
- SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
- host->quirks2 = SDHCI_QUIRK2_SUPPORT_SINGLE |
- SDHCI_QUIRK2_TUNING_WORK_AROUND;
priv->enable_cmd_dat_delay = device_property_read_bool(dev,
"fujitsu,cmd-dat-delay-select");
@@ -145,19 +124,6 @@
ret = mmc_of_parse(host->mmc);
if (ret)
goto err;
-
- platform_set_drvdata(pdev, host);
-
- host->hw_name = "f_sdh30";
- host->ops = &sdhci_f_sdh30_ops;
- host->irq = irq;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- host->ioaddr = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(host->ioaddr)) {
- ret = PTR_ERR(host->ioaddr);
- goto err;
- }
if (dev_of_node(dev)) {
sdhci_get_of_property(pdev);
@@ -199,6 +165,9 @@
if (reg & SDHCI_CAN_DO_8BIT)
priv->vendor_hs200 = F_SDH30_EMMC_HS200;
+ if (!(reg & SDHCI_TIMEOUT_CLK_MASK))
+ host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
+
ret = sdhci_add_host(host);
if (ret)
goto err_add_host;
@@ -210,23 +179,22 @@
err_clk:
clk_disable_unprepare(priv->clk_iface);
err:
- sdhci_free_host(host);
+ sdhci_pltfm_free(pdev);
+
return ret;
}
static int sdhci_f_sdh30_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
- struct f_sdhost_priv *priv = sdhci_priv(host);
+ struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
+ struct clk *clk_iface = priv->clk_iface;
+ struct clk *clk = priv->clk;
- sdhci_remove_host(host, readl(host->ioaddr + SDHCI_INT_STATUS) ==
- 0xffffffff);
+ sdhci_pltfm_unregister(pdev);
- clk_disable_unprepare(priv->clk_iface);
- clk_disable_unprepare(priv->clk);
-
- sdhci_free_host(host);
- platform_set_drvdata(pdev, NULL);
+ clk_disable_unprepare(clk_iface);
+ clk_disable_unprepare(clk);
return 0;
}
@@ -250,6 +218,7 @@
static struct platform_driver sdhci_f_sdh30_driver = {
.driver = {
.name = "f_sdh30",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
.of_match_table = of_match_ptr(f_sdh30_dt_ids),
.acpi_match_table = ACPI_PTR(f_sdh30_acpi_ids),
.pm = &sdhci_pltfm_pmops,
--
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