--- /dev/null
+/*
+ * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
+ *
+ * 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.
+ */
+
+#ifndef _WCN36XX_H_
+#define _WCN36XX_H_
+
+#include <linux/completion.h>
+#include <linux/printk.h>
+#include <linux/spinlock.h>
+#include <net/mac80211.h>
+
+#include "hal.h"
+#include "smd.h"
+#include "txrx.h"
+#include "dxe.h"
+#include "pmc.h"
+#include "debug.h"
+
+#define WLAN_NV_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin"
+#define WCN36XX_AGGR_BUFFER_SIZE 64
+
+/* How many frames until we start a-mpdu TX session */
+#define WCN36XX_AMPDU_START_THRESH 20
+
+extern unsigned int wcn36xx_dbg_mask;
+
+enum wcn36xx_debug_mask {
+ WCN36XX_DBG_DXE = 0x00000001,
+ WCN36XX_DBG_DXE_DUMP = 0x00000002,
+ WCN36XX_DBG_SMD = 0x00000004,
+ WCN36XX_DBG_SMD_DUMP = 0x00000008,
+ WCN36XX_DBG_RX = 0x00000010,
+ WCN36XX_DBG_RX_DUMP = 0x00000020,
+ WCN36XX_DBG_TX = 0x00000040,
+ WCN36XX_DBG_TX_DUMP = 0x00000080,
+ WCN36XX_DBG_HAL = 0x00000100,
+ WCN36XX_DBG_HAL_DUMP = 0x00000200,
+ WCN36XX_DBG_MAC = 0x00000400,
+ WCN36XX_DBG_BEACON = 0x00000800,
+ WCN36XX_DBG_BEACON_DUMP = 0x00001000,
+ WCN36XX_DBG_PMC = 0x00002000,
+ WCN36XX_DBG_PMC_DUMP = 0x00004000,
+ WCN36XX_DBG_ANY = 0xffffffff,
+};
+
+#define wcn36xx_err(fmt, arg...) \
+ printk(KERN_ERR pr_fmt("ERROR " fmt), ##arg)
+
+#define wcn36xx_warn(fmt, arg...) \
+ printk(KERN_WARNING pr_fmt("WARNING " fmt), ##arg)
+
+#define wcn36xx_info(fmt, arg...) \
+ printk(KERN_INFO pr_fmt(fmt), ##arg)
+
+#define wcn36xx_dbg(mask, fmt, arg...) do { \
+ if (wcn36xx_dbg_mask & mask) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##arg); \
+} while (0)
+
+#define wcn36xx_dbg_dump(mask, prefix_str, buf, len) do { \
+ if (wcn36xx_dbg_mask & mask) \
+ print_hex_dump(KERN_DEBUG, pr_fmt(prefix_str), \
+ DUMP_PREFIX_OFFSET, 32, 1, \
+ buf, len, false); \
+} while (0)
+
+enum wcn36xx_ampdu_state {
+ WCN36XX_AMPDU_NONE,
+ WCN36XX_AMPDU_INIT,
+ WCN36XX_AMPDU_START,
+ WCN36XX_AMPDU_OPERATIONAL,
+};
+
+#define WCN36XX_HW_CHANNEL(__wcn) (__wcn->hw->conf.chandef.chan->hw_value)
+#define WCN36XX_BAND(__wcn) (__wcn->hw->conf.chandef.chan->band)
+#define WCN36XX_CENTER_FREQ(__wcn) (__wcn->hw->conf.chandef.chan->center_freq)
+#define WCN36XX_LISTEN_INTERVAL(__wcn) (__wcn->hw->conf.listen_interval)
+#define WCN36XX_FLAGS(__wcn) (__wcn->hw->flags)
+#define WCN36XX_MAX_POWER(__wcn) (__wcn->hw->conf.chandef.chan->max_power)
+
+static inline void buff_to_be(u32 *buf, size_t len)
+{
+ int i;
+ for (i = 0; i < len; i++)
+ buf[i] = cpu_to_be32(buf[i]);
+}
+
+struct nv_data {
+ int is_valid;
+ u8 table;
+};
+
+/* Interface for platform control path
+ *
+ * @open: hook must be called when wcn36xx wants to open control channel.
+ * @tx: sends a buffer.
+ */
+struct wcn36xx_platform_ctrl_ops {
+ int (*open)(void *drv_priv, void *rsp_cb);
+ void (*close)(void);
+ int (*tx)(char *buf, size_t len);
+ int (*get_hw_mac)(u8 *addr);
+ int (*smsm_change_state)(u32 clear_mask, u32 set_mask);
+};
+
+/**
+ * struct wcn36xx_vif - holds VIF related fields
+ *
+ * @bss_index: bss_index is initially set to 0xFF. bss_index is received from
+ * HW after first config_bss call and must be used in delete_bss and
+ * enter/exit_bmps.
+ */
+struct wcn36xx_vif {
+ struct list_head list;
+ struct wcn36xx_sta *sta;
+ u8 dtim_period;
+ enum ani_ed_type encrypt_type;
+ bool is_joining;
+ struct wcn36xx_hal_mac_ssid ssid;
+
+ /* Power management */
+ enum wcn36xx_power_state pw_state;
+
+ u8 bss_index;
+ /* Returned from WCN36XX_HAL_ADD_STA_SELF_RSP */
+ u8 self_sta_index;
+ u8 self_dpu_desc_index;
+ u8 self_ucast_dpu_sign;
+};
+
+/**
+ * struct wcn36xx_sta - holds STA related fields
+ *
+ * @tid: traffic ID that is used during AMPDU and in TX BD.
+ * @sta_index: STA index is returned from HW after config_sta call and is
+ * used in both SMD channel and TX BD.
+ * @dpu_desc_index: DPU descriptor index is returned from HW after config_sta
+ * call and is used in TX BD.
+ * @bss_sta_index: STA index is returned from HW after config_bss call and is
+ * used in both SMD channel and TX BD. See table bellow when it is used.
+ * @bss_dpu_desc_index: DPU descriptor index is returned from HW after
+ * config_bss call and is used in TX BD.
+ * ______________________________________________
+ * | | STA | AP |
+ * |______________|_____________|_______________|
+ * | TX BD |bss_sta_index| sta_index |
+ * |______________|_____________|_______________|
+ * |all SMD calls |bss_sta_index| sta_index |
+ * |______________|_____________|_______________|
+ * |smd_delete_sta| sta_index | sta_index |
+ * |______________|_____________|_______________|
+ */
+struct wcn36xx_sta {
+ struct wcn36xx_vif *vif;
+ u16 aid;
+ u16 tid;
+ u8 sta_index;
+ u8 dpu_desc_index;
+ u8 ucast_dpu_sign;
+ u8 bss_sta_index;
+ u8 bss_dpu_desc_index;
+ bool is_data_encrypted;
+ /* Rates */
+ struct wcn36xx_hal_supported_rates supported_rates;
+
+ spinlock_t ampdu_lock; /* protects next two fields */
+ enum wcn36xx_ampdu_state ampdu_state[16];
+ int non_agg_frame_ct;
+};
+struct wcn36xx_dxe_ch;
+struct wcn36xx {
+ struct ieee80211_hw *hw;
+ struct device *dev;
+ struct list_head vif_list;
+
+ const struct firmware *nv;
+
+ u8 fw_revision;
+ u8 fw_version;
+ u8 fw_minor;
+ u8 fw_major;
+ u32 fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
+ u32 chip_version;
+
+ /* extra byte for the NULL termination */
+ u8 crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];
+ u8 wlan_version[WCN36XX_HAL_VERSION_LENGTH + 1];
+
+ /* IRQs */
+ int tx_irq;
+ int rx_irq;
+ void __iomem *mmio;
+
+ struct wcn36xx_platform_ctrl_ops *ctrl_ops;
+ /*
+ * smd_buf must be protected with smd_mutex to garantee
+ * that all messages are sent one after another
+ */
+ u8 *hal_buf;
+ size_t hal_rsp_len;
+ struct mutex hal_mutex;
+ struct completion hal_rsp_compl;
+ struct workqueue_struct *hal_ind_wq;
+ struct work_struct hal_ind_work;
+ struct mutex hal_ind_mutex;
+ struct list_head hal_ind_queue;
+
+ /* DXE channels */
+ struct wcn36xx_dxe_ch dxe_tx_l_ch; /* TX low */
+ struct wcn36xx_dxe_ch dxe_tx_h_ch; /* TX high */
+ struct wcn36xx_dxe_ch dxe_rx_l_ch; /* RX low */
+ struct wcn36xx_dxe_ch dxe_rx_h_ch; /* RX high */
+
+ /* For synchronization of DXE resources from BH, IRQ and WQ contexts */
+ spinlock_t dxe_lock;
+ bool queues_stopped;
+
+ /* Memory pools */
+ struct wcn36xx_dxe_mem_pool mgmt_mem_pool;
+ struct wcn36xx_dxe_mem_pool data_mem_pool;
+
+ struct sk_buff *tx_ack_skb;
+
+#ifdef CONFIG_WCN36XX_DEBUGFS
+ /* Debug file system entry */
+ struct wcn36xx_dfs_entry dfs;
+#endif /* CONFIG_WCN36XX_DEBUGFS */
+
+};
+
+#define WCN36XX_CHIP_3660 0
+#define WCN36XX_CHIP_3680 1
+
+static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn,
+ u8 major,
+ u8 minor,
+ u8 version,
+ u8 revision)
+{
+ return (wcn->fw_major == major &&
+ wcn->fw_minor == minor &&
+ wcn->fw_version == version &&
+ wcn->fw_revision == revision);
+}
+void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates);
+
+static inline
+struct ieee80211_sta *wcn36xx_priv_to_sta(struct wcn36xx_sta *sta_priv)
+{
+ return container_of((void *)sta_priv, struct ieee80211_sta, drv_priv);
+}
+
+#endif /* _WCN36XX_H_ */
Code Review / kvmfornfv.git / blobdiff