Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
new file mode 100644
index 000000000..eface6101
--- /dev/null
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	Copyright (C) 2004 - 2009 Felix Fietkau <nbd@openwrt.org>
+	<http://rt2x00.serialmonkey.com>
+
+ */
+
+/*
+	Module: rt2x00soc
+	Abstract: rt2x00 generic soc device routines.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include "rt2x00.h"
+#include "rt2x00soc.h"
+
+static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev)
+{
+	kfree(rt2x00dev->rf);
+	rt2x00dev->rf = NULL;
+
+	kfree(rt2x00dev->eeprom);
+	rt2x00dev->eeprom = NULL;
+
+	iounmap(rt2x00dev->csr.base);
+}
+
+static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev)
+{
+	struct platform_device *pdev = to_platform_device(rt2x00dev->dev);
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	rt2x00dev->csr.base = ioremap(res->start, resource_size(res));
+	if (!rt2x00dev->csr.base)
+		return -ENOMEM;
+
+	rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
+	if (!rt2x00dev->eeprom)
+		goto exit;
+
+	rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
+	if (!rt2x00dev->rf)
+		goto exit;
+
+	return 0;
+
+exit:
+	rt2x00_probe_err("Failed to allocate registers\n");
+	rt2x00soc_free_reg(rt2x00dev);
+
+	return -ENOMEM;
+}
+
+int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
+{
+	struct ieee80211_hw *hw;
+	struct rt2x00_dev *rt2x00dev;
+	int retval;
+
+	hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
+	if (!hw) {
+		rt2x00_probe_err("Failed to allocate hardware\n");
+		return -ENOMEM;
+	}
+
+	platform_set_drvdata(pdev, hw);
+
+	rt2x00dev = hw->priv;
+	rt2x00dev->dev = &pdev->dev;
+	rt2x00dev->ops = ops;
+	rt2x00dev->hw = hw;
+	rt2x00dev->irq = platform_get_irq(pdev, 0);
+	rt2x00dev->name = pdev->dev.driver->name;
+
+	rt2x00dev->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(rt2x00dev->clk))
+		rt2x00dev->clk = NULL;
+
+	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
+
+	retval = rt2x00soc_alloc_reg(rt2x00dev);
+	if (retval)
+		goto exit_free_device;
+
+	retval = rt2x00lib_probe_dev(rt2x00dev);
+	if (retval)
+		goto exit_free_reg;
+
+	return 0;
+
+exit_free_reg:
+	rt2x00soc_free_reg(rt2x00dev);
+
+exit_free_device:
+	ieee80211_free_hw(hw);
+
+	return retval;
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_probe);
+
+int rt2x00soc_remove(struct platform_device *pdev)
+{
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	/*
+	 * Free all allocated data.
+	 */
+	rt2x00lib_remove_dev(rt2x00dev);
+	rt2x00soc_free_reg(rt2x00dev);
+	ieee80211_free_hw(hw);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_remove);
+
+#ifdef CONFIG_PM
+int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	return rt2x00lib_suspend(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_suspend);
+
+int rt2x00soc_resume(struct platform_device *pdev)
+{
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct rt2x00_dev *rt2x00dev = hw->priv;
+
+	return rt2x00lib_resume(rt2x00dev);
+}
+EXPORT_SYMBOL_GPL(rt2x00soc_resume);
+#endif /* CONFIG_PM */
+
+/*
+ * rt2x00soc module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 soc library");
+MODULE_LICENSE("GPL");