1 files changed, 426 insertions, 0 deletions

diff --git a/drivers/staging/rtlwifi/halmac/halmac_api.c b/drivers/staging/rtlwifi/halmac/halmac_api.c
new file mode 100644
index 000000000000..0886a4611da0
--- /dev/null
+++ b/drivers/staging/rtlwifi/halmac/halmac_api.c
@@ -0,0 +1,426 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2016  Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License 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.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+#include "halmac_2_platform.h"
+#include "halmac_type.h"
+#include "halmac_88xx/halmac_api_88xx.h"
+#include "halmac_88xx/halmac_88xx_cfg.h"
+
+#include "halmac_88xx/halmac_8822b/halmac_8822b_cfg.h"
+
+static enum halmac_ret_status
+halmac_check_platform_api(void *driver_adapter,
+			  enum halmac_interface halmac_interface,
+			  struct halmac_platform_api *halmac_platform_api)
+{
+	void *adapter_local = NULL;
+
+	adapter_local = driver_adapter;
+
+	if (!halmac_platform_api)
+		return HALMAC_RET_PLATFORM_API_NULL;
+
+	if (halmac_interface == HALMAC_INTERFACE_SDIO) {
+		if (!halmac_platform_api->SDIO_CMD52_READ) {
+			pr_err("(!halmac_platform_api->SDIO_CMD52_READ)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_READ_8) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_READ_8)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_READ_16) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_READ_16)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_READ_32) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_READ_32)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_READ_N) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_READ_N)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD52_WRITE) {
+			pr_err("(!halmac_platform_api->SDIO_CMD52_WRITE)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_WRITE_8) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_WRITE_8)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_WRITE_16) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_WRITE_16)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->SDIO_CMD53_WRITE_32) {
+			pr_err("(!halmac_platform_api->SDIO_CMD53_WRITE_32)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+	}
+
+	if (halmac_interface == HALMAC_INTERFACE_USB ||
+	    halmac_interface == HALMAC_INTERFACE_PCIE) {
+		if (!halmac_platform_api->REG_READ_8) {
+			pr_err("(!halmac_platform_api->REG_READ_8)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->REG_READ_16) {
+			pr_err("(!halmac_platform_api->REG_READ_16)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->REG_READ_32) {
+			pr_err("(!halmac_platform_api->REG_READ_32)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->REG_WRITE_8) {
+			pr_err("(!halmac_platform_api->REG_WRITE_8)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->REG_WRITE_16) {
+			pr_err("(!halmac_platform_api->REG_WRITE_16)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+		if (!halmac_platform_api->REG_WRITE_32) {
+			pr_err("(!halmac_platform_api->REG_WRITE_32)\n");
+			return HALMAC_RET_PLATFORM_API_NULL;
+		}
+	}
+
+	if (!halmac_platform_api->EVENT_INDICATION) {
+		pr_err("(!halmac_platform_api->EVENT_INDICATION)\n");
+		return HALMAC_RET_PLATFORM_API_NULL;
+	}
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"%s ==========>\n", __func__);
+
+	return HALMAC_RET_SUCCESS;
+}
+
+static enum halmac_ret_status
+halmac_convert_to_sdio_bus_offset(u32 *halmac_offset)
+{
+	switch ((*halmac_offset) & 0xFFFF0000) {
+	case WLAN_IOREG_OFFSET:
+		*halmac_offset = (HALMAC_SDIO_CMD_ADDR_MAC_REG << 13) |
+				 (*halmac_offset & HALMAC_WLAN_MAC_REG_MSK);
+		break;
+	case SDIO_LOCAL_OFFSET:
+		*halmac_offset = (HALMAC_SDIO_CMD_ADDR_SDIO_REG << 13) |
+				 (*halmac_offset & HALMAC_SDIO_LOCAL_MSK);
+		break;
+	default:
+		*halmac_offset = 0xFFFFFFFF;
+		return HALMAC_RET_CONVERT_SDIO_OFFSET_FAIL;
+	}
+
+	return HALMAC_RET_SUCCESS;
+}
+
+static u8
+platform_reg_read_8_sdio(void *driver_adapter,
+			 struct halmac_platform_api *halmac_platform_api,
+			 u32 offset)
+{
+	u8 value8;
+	u32 halmac_offset = offset;
+	enum halmac_ret_status status = HALMAC_RET_SUCCESS;
+
+	if ((halmac_offset & 0xFFFF0000) == 0)
+		halmac_offset |= WLAN_IOREG_OFFSET;
+
+	status = halmac_convert_to_sdio_bus_offset(&halmac_offset);
+	if (status != HALMAC_RET_SUCCESS) {
+		pr_err("%s error = %x\n", __func__, status);
+		return status;
+	}
+
+	value8 = halmac_platform_api->SDIO_CMD52_READ(driver_adapter,
+						      halmac_offset);
+
+	return value8;
+}
+
+static enum halmac_ret_status
+platform_reg_write_8_sdio(void *driver_adapter,
+			  struct halmac_platform_api *halmac_platform_api,
+			  u32 offset, u8 data)
+{
+	enum halmac_ret_status status = HALMAC_RET_SUCCESS;
+	u32 halmac_offset = offset;
+
+	if ((halmac_offset & 0xFFFF0000) == 0)
+		halmac_offset |= WLAN_IOREG_OFFSET;
+
+	status = halmac_convert_to_sdio_bus_offset(&halmac_offset);
+
+	if (status != HALMAC_RET_SUCCESS) {
+		pr_err("halmac_reg_write_8_sdio_88xx error = %x\n", status);
+		return status;
+	}
+	halmac_platform_api->SDIO_CMD52_WRITE(driver_adapter, halmac_offset,
+					      data);
+
+	return HALMAC_RET_SUCCESS;
+}
+
+static enum halmac_ret_status
+halmac_get_chip_info(void *driver_adapter,
+		     struct halmac_platform_api *halmac_platform_api,
+		     enum halmac_interface halmac_interface,
+		     struct halmac_adapter *halmac_adapter)
+{
+	struct halmac_api *halmac_api = (struct halmac_api *)NULL;
+	u8 chip_id, chip_version;
+	u32 polling_count;
+
+	halmac_api = (struct halmac_api *)halmac_adapter->halmac_api;
+
+	/* Get Chip_id and Chip_version */
+	if (halmac_adapter->halmac_interface == HALMAC_INTERFACE_SDIO) {
+		platform_reg_write_8_sdio(
+			driver_adapter, halmac_platform_api, REG_SDIO_HSUS_CTRL,
+			platform_reg_read_8_sdio(driver_adapter,
+						 halmac_platform_api,
+						 REG_SDIO_HSUS_CTRL) &
+				~(BIT(0)));
+
+		polling_count = 10000;
+		while (!(platform_reg_read_8_sdio(driver_adapter,
+						  halmac_platform_api,
+						  REG_SDIO_HSUS_CTRL) &
+			 0x02)) {
+			polling_count--;
+			if (polling_count == 0)
+				return HALMAC_RET_SDIO_LEAVE_SUSPEND_FAIL;
+		}
+
+		chip_id = platform_reg_read_8_sdio(
+			driver_adapter, halmac_platform_api, REG_SYS_CFG2);
+		chip_version = platform_reg_read_8_sdio(driver_adapter,
+							halmac_platform_api,
+							REG_SYS_CFG1 + 1) >>
+			       4;
+	} else {
+		chip_id = halmac_platform_api->REG_READ_8(driver_adapter,
+							  REG_SYS_CFG2);
+		chip_version = halmac_platform_api->REG_READ_8(
+				       driver_adapter, REG_SYS_CFG1 + 1) >>
+			       4;
+	}
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"[TRACE]Chip id : 0x%X\n", chip_id);
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"[TRACE]Chip version : 0x%X\n", chip_version);
+
+	halmac_adapter->chip_version = (enum halmac_chip_ver)chip_version;
+
+	if (chip_id == HALMAC_CHIP_ID_HW_DEF_8822B)
+		halmac_adapter->chip_id = HALMAC_CHIP_ID_8822B;
+	else if (chip_id == HALMAC_CHIP_ID_HW_DEF_8821C)
+		halmac_adapter->chip_id = HALMAC_CHIP_ID_8821C;
+	else if (chip_id == HALMAC_CHIP_ID_HW_DEF_8814B)
+		halmac_adapter->chip_id = HALMAC_CHIP_ID_8814B;
+	else if (chip_id == HALMAC_CHIP_ID_HW_DEF_8197F)
+		halmac_adapter->chip_id = HALMAC_CHIP_ID_8197F;
+	else
+		halmac_adapter->chip_id = HALMAC_CHIP_ID_UNDEFINE;
+
+	if (halmac_adapter->chip_id == HALMAC_CHIP_ID_UNDEFINE)
+		return HALMAC_RET_CHIP_NOT_SUPPORT;
+
+	return HALMAC_RET_SUCCESS;
+}
+
+/**
+ * halmac_init_adapter() - init halmac_adapter
+ * @driver_adapter : the adapter of caller
+ * @halmac_platform_api : the platform APIs which is used in halmac APIs
+ * @halmac_interface : bus interface
+ * @pp_halmac_adapter : the adapter of halmac
+ * @pp_halmac_api : the function pointer of APIs, caller shall call APIs by
+ *                 function pointer
+ * Author : KaiYuan Chang / Ivan Lin
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status
+halmac_init_adapter(void *driver_adapter,
+		    struct halmac_platform_api *halmac_platform_api,
+		    enum halmac_interface halmac_interface,
+		    struct halmac_adapter **pp_halmac_adapter,
+		    struct halmac_api **pp_halmac_api)
+{
+	struct halmac_adapter *halmac_adapter = (struct halmac_adapter *)NULL;
+	enum halmac_ret_status status = HALMAC_RET_SUCCESS;
+
+	union {
+		u32 i;
+		u8 x[4];
+	} ENDIAN_CHECK = {0x01000000};
+
+	status = halmac_check_platform_api(driver_adapter, halmac_interface,
+					   halmac_platform_api);
+	if (status != HALMAC_RET_SUCCESS)
+		return status;
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			HALMAC_SVN_VER "\n");
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"HALMAC_MAJOR_VER = %x\n", HALMAC_MAJOR_VER);
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"HALMAC_PROTOTYPE_VER = %x\n", HALMAC_PROTOTYPE_VER);
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"HALMAC_MINOR_VER = %x\n", HALMAC_MINOR_VER);
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"HALMAC_PATCH_VER = %x\n", HALMAC_PATCH_VER);
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"halmac_init_adapter_88xx ==========>\n");
+
+	/* Check endian setting - Little endian : 1, Big endian : 0*/
+	if (ENDIAN_CHECK.x[0] == HALMAC_SYSTEM_ENDIAN) {
+		pr_err("Endian setting Err!!\n");
+		return HALMAC_RET_ENDIAN_ERR;
+	}
+
+	halmac_adapter = kzalloc(sizeof(*halmac_adapter), GFP_KERNEL);
+	if (!halmac_adapter) {
+		/* out of memory */
+		return HALMAC_RET_MALLOC_FAIL;
+	}
+
+	/* return halmac adapter address to caller */
+	*pp_halmac_adapter = halmac_adapter;
+
+	/* Record caller info */
+	halmac_adapter->halmac_platform_api = halmac_platform_api;
+	halmac_adapter->driver_adapter = driver_adapter;
+	halmac_interface = halmac_interface == HALMAC_INTERFACE_AXI ?
+				   HALMAC_INTERFACE_PCIE :
+				   halmac_interface;
+	halmac_adapter->halmac_interface = halmac_interface;
+
+	spin_lock_init(&halmac_adapter->efuse_lock);
+	spin_lock_init(&halmac_adapter->h2c_seq_lock);
+
+	/*Get Chip*/
+	if (halmac_get_chip_info(driver_adapter, halmac_platform_api,
+				 halmac_interface,
+				 halmac_adapter) != HALMAC_RET_SUCCESS) {
+		pr_err("HALMAC_RET_CHIP_NOT_SUPPORT\n");
+		return HALMAC_RET_CHIP_NOT_SUPPORT;
+	}
+
+	/* Assign function pointer to halmac API */
+	halmac_init_adapter_para_88xx(halmac_adapter);
+	status = halmac_mount_api_88xx(halmac_adapter);
+
+	/* Return halmac API function pointer */
+	*pp_halmac_api = (struct halmac_api *)halmac_adapter->halmac_api;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"halmac_init_adapter_88xx <==========\n");
+
+	return status;
+}
+
+/**
+ * halmac_halt_api() - stop halmac_api action
+ * @halmac_adapter : the adapter of halmac
+ * Author : Ivan Lin
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status halmac_halt_api(struct halmac_adapter *halmac_adapter)
+{
+	void *driver_adapter = NULL;
+	struct halmac_platform_api *halmac_platform_api =
+		(struct halmac_platform_api *)NULL;
+
+	if (halmac_adapter_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_ADAPTER_INVALID;
+
+	driver_adapter = halmac_adapter->driver_adapter;
+	halmac_platform_api = halmac_adapter->halmac_platform_api;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"%s ==========>\n", __func__);
+	halmac_adapter->halmac_state.api_state = HALMAC_API_STATE_HALT;
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"%s ==========>\n", __func__);
+	return HALMAC_RET_SUCCESS;
+}
+
+/**
+ * halmac_deinit_adapter() - deinit halmac adapter
+ * @halmac_adapter : the adapter of halmac
+ * Author : KaiYuan Chang / Ivan Lin
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status
+halmac_deinit_adapter(struct halmac_adapter *halmac_adapter)
+{
+	void *driver_adapter = NULL;
+
+	if (halmac_adapter_validate(halmac_adapter) != HALMAC_RET_SUCCESS)
+		return HALMAC_RET_ADAPTER_INVALID;
+
+	driver_adapter = halmac_adapter->driver_adapter;
+
+	HALMAC_RT_TRACE(driver_adapter, HALMAC_MSG_INIT, DBG_DMESG,
+			"[TRACE]halmac_deinit_adapter_88xx ==========>\n");
+
+	kfree(halmac_adapter->hal_efuse_map);
+	halmac_adapter->hal_efuse_map = (u8 *)NULL;
+
+	kfree(halmac_adapter->halmac_state.psd_set.data);
+	halmac_adapter->halmac_state.psd_set.data = (u8 *)NULL;
+
+	kfree(halmac_adapter->halmac_api);
+	halmac_adapter->halmac_api = NULL;
+
+	halmac_adapter->hal_adapter_backup = NULL;
+	kfree(halmac_adapter);
+
+	return HALMAC_RET_SUCCESS;
+}
+
+/**
+ * halmac_get_version() - get HALMAC version
+ * @version : return version of major, prototype and minor information
+ * Author : KaiYuan Chang / Ivan Lin
+ * Return : enum halmac_ret_status
+ * More details of status code can be found in prototype document
+ */
+enum halmac_ret_status halmac_get_version(struct halmac_ver *version)
+{
+	version->major_ver = (u8)HALMAC_MAJOR_VER;
+	version->prototype_ver = (u8)HALMAC_PROTOTYPE_VER;
+	version->minor_ver = (u8)HALMAC_MINOR_VER;
+
+	return HALMAC_RET_SUCCESS;
+}