qcacmn: Abstraction mechanism for OS API's

Provide support for abstraction layer for OS API's. Change-Id: I1f51350c2ae4c35330aa7355e9cd20fa28aad194 CRs-Fixed: 2222560
2018-06-08 20:18:21 +05:30
parent 8e3eb14984
commit 008baa9b4d
11 changed files with 966 additions and 2 deletions
--- a/qal/linux/src/qal_devcfg.c
+++ b/qal/linux/src/qal_devcfg.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018 The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * DOC: qal_devcfg
+ * This file provides OS dependent device config related APIs
+ */
+
+#include "qdf_debugfs.h"
+#include "qdf_mem.h"
+#include "qdf_types.h"
+#include "qdf_nbuf.h"
+#include "qdf_module.h"
+#include "qal_devcfg.h"
+#include <net/cfg80211.h>
+
+QDF_STATUS
+qal_devcfg_send_response(qdf_nbuf_t cfgbuf)
+{
+	int ret;
+
+	if (!cfgbuf)
+		return QDF_STATUS_E_INVAL;
+
+	ret = cfg80211_vendor_cmd_reply(cfgbuf);
+
+	return qdf_status_from_os_return(ret);
+}
+
+qdf_export_symbol(qal_devcfg_send_response);
--- a/qal/linux/src/qal_vbus_dev.c
+++ b/qal/linux/src/qal_vbus_dev.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright (c) 2018 The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * DOC: qal_vbus_dev
+ * This file provides OS dependent virtual bus device related APIs
+ */
+
+#include "qdf_util.h"
+#include "qal_vbus_dev.h"
+#include "qdf_module.h"
+#include <linux/of_gpio.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
+#include <linux/reset.h>
+#endif
+
+QDF_STATUS
+qal_vbus_get_iorsc(int devnum, uint32_t flag, char *devname)
+{
+	int ret;
+
+	if (!devname)
+		return QDF_STATUS_E_INVAL;
+
+	ret = gpio_request_one(devnum, flag, devname);
+
+	return qdf_status_from_os_return(ret);
+}
+
+qdf_export_symbol(qal_vbus_get_iorsc);
+
+QDF_STATUS
+qal_vbus_release_iorsc(int devnum)
+{
+	if (devnum <= 0)
+		return QDF_STATUS_E_INVAL;
+
+	gpio_free(devnum);
+
+	return QDF_STATUS_SUCCESS;
+}
+
+qdf_export_symbol(qal_vbus_release_iorsc);
+
+QDF_STATUS
+qal_vbus_enable_devclk(struct qdf_dev_clk *clk)
+{
+	int ret;
+
+	if (!clk)
+		return QDF_STATUS_E_INVAL;
+
+	ret = clk_prepare_enable((struct clk *)clk);
+
+	return qdf_status_from_os_return(ret);
+}
+
+qdf_export_symbol(qal_vbus_enable_devclk);
+
+QDF_STATUS
+qal_vbus_disable_devclk(struct qdf_dev_clk *clk)
+{
+	if (!clk)
+		return QDF_STATUS_E_INVAL;
+
+	clk_disable_unprepare((struct clk *)clk);
+
+	return QDF_STATUS_SUCCESS;
+}
+
+qdf_export_symbol(qal_vbus_disable_devclk);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
+QDF_STATUS
+qal_vbus_get_dev_rstctl(struct qdf_pfm_hndl *pfhndl, const char *state,
+			struct qdf_vbus_rstctl **rstctl)
+{
+	struct platform_device *pfdev;
+	struct reset_control *rsctl;
+
+	if (!pfhndl || !state)
+		return QDF_STATUS_E_INVAL;
+
+	pfdev = (struct platform_device *)pfhndl;
+	rsctl = reset_control_get(&pfdev->dev, state);
+
+	if (!rsctl)
+		return QDF_STATUS_E_FAILURE;
+
+	*rstctl = (struct qdf_vbus_rstctl *)rsctl;
+
+	return QDF_STATUS_SUCCESS;
+}
+#else
+QDF_STATUS
+qal_vbus_get_dev_rstctl(struct qdf_pfm_hndl *pfhndl, const char *state,
+			struct qdf_vbus_rstctl **rstctl)
+{
+	if (!pfhndl || !state)
+		return QDF_STATUS_E_INVAL;
+	*rstctl = NULL;
+
+	return QDF_STATUS_SUCCESS;
+}
+#endif
+
+qdf_export_symbol(qal_vbus_get_dev_rstctl);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
+QDF_STATUS
+qal_vbus_release_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
+			    struct qdf_vbus_rstctl *rstctl)
+{
+	if (!pfhndl || !rstctl)
+		return QDF_STATUS_E_INVAL;
+
+	reset_control_put((struct reset_control *)rstctl);
+
+	return QDF_STATUS_SUCCESS;
+}
+#else
+QDF_STATUS
+qal_release_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
+		       struct qdf_vbus_rstctl *rstctl)
+{
+	if (!pfhndl || !rstctl)
+		return QDF_STATUS_E_INVAL;
+
+	return QDF_STATUS_E_FAILURE;
+}
+#endif
+
+qdf_export_symbol(qal_vbus_release_dev_rstctl);
+
+QDF_STATUS
+qal_vbus_activate_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
+			     struct qdf_vbus_rstctl *rstctl)
+{
+	int ret;
+
+	if (!pfhndl || !rstctl)
+		return QDF_STATUS_E_INVAL;
+
+	ret = reset_control_assert((struct reset_control *)rstctl);
+
+	return qdf_status_from_os_return(ret);
+}
+
+qdf_export_symbol(qal_vbus_activate_dev_rstctl);
+
+QDF_STATUS
+qal_vbus_deactivate_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
+			       struct qdf_vbus_rstctl *rstctl)
+{
+	int ret;
+
+	if (!pfhndl || !rstctl)
+		return QDF_STATUS_E_INVAL;
+
+	ret = reset_control_deassert((struct reset_control *)rstctl);
+
+	return qdf_status_from_os_return(ret);
+}
+
+qdf_export_symbol(qal_vbus_deactivate_dev_rstctl);
+
+QDF_STATUS
+qal_vbus_get_resource(struct qdf_pfm_hndl *pfhndl,
+		      struct qdf_vbus_resource **rsc,
+		      uint32_t restype, uint32_t residx)
+{
+	struct resource *rsrc;
+
+	if (!pfhndl)
+		return QDF_STATUS_E_INVAL;
+
+	rsrc = platform_get_resource((struct platform_device *)pfhndl,
+				     restype, residx);
+	if (!rsrc)
+		return QDF_STATUS_E_FAILURE;
+
+	*rsc = (struct qdf_vbus_resource *)rsrc;
+
+	return QDF_STATUS_SUCCESS;
+}
+
+qdf_export_symbol(qal_vbus_get_resource);
+
+QDF_STATUS
+qal_vbus_get_irq(struct qdf_pfm_hndl *pfhndl, const char *str, int *irq)
+{
+	int inum;
+
+	if (!pfhndl || !str)
+		return QDF_STATUS_E_INVAL;
+
+	inum = platform_get_irq_byname((struct platform_device *)pfhndl, str);
+
+	if (inum < 0)
+		return QDF_STATUS_E_FAULT;
+
+	*irq = inum;
+
+	return QDF_STATUS_SUCCESS;
+}
+
+qdf_export_symbol(qal_vbus_get_irq);
+
+QDF_STATUS
+qal_vbus_register_driver(struct qdf_pfm_drv *pfdev)
+{
+	int ret;
+
+	if (!pfdev)
+		return QDF_STATUS_E_INVAL;
+
+	ret = platform_driver_register((struct platform_driver *)pfdev);
+
+	return qdf_status_from_os_return(ret);
+}
+
+qdf_export_symbol(qal_vbus_register_driver);
+
+QDF_STATUS
+qal_vbus_deregister_driver(struct qdf_pfm_drv *pfdev)
+{
+	if (!pfdev)
+		return QDF_STATUS_E_INVAL;
+
+	platform_driver_unregister((struct platform_driver *)pfdev);
+
+	return QDF_STATUS_SUCCESS;
+}
+
+qdf_export_symbol(qal_vbus_deregister_driver);