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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2022 Lorenzo Bianconi <lorenzo@kernel.org> */
#ifndef __MTK_WED_WO_H
#define __MTK_WED_WO_H
#include <linux/skbuff.h>
#include <linux/netdevice.h>
struct mtk_wed_hw;
struct mtk_wed_mcu_hdr {
/* DW0 */
u8 version;
u8 cmd;
__le16 length;
/* DW1 */
__le16 seq;
__le16 flag;
/* DW2 */
__le32 status;
/* DW3 */
u8 rsv[20];
};
struct mtk_wed_wo_log_info {
__le32 sn;
__le32 total;
__le32 rro;
__le32 mod;
};
enum mtk_wed_wo_event {
MTK_WED_WO_EVT_LOG_DUMP = 0x1,
MTK_WED_WO_EVT_PROFILING = 0x2,
MTK_WED_WO_EVT_RXCNT_INFO = 0x3,
};
#define MTK_WED_MODULE_ID_WO 1
#define MTK_FW_DL_TIMEOUT 4000000 /* us */
#define MTK_WOCPU_TIMEOUT 2000000 /* us */
enum {
MTK_WED_WARP_CMD_FLAG_RSP = BIT(0),
MTK_WED_WARP_CMD_FLAG_NEED_RSP = BIT(1),
MTK_WED_WARP_CMD_FLAG_FROM_TO_WO = BIT(2),
};
#define MTK_WED_WO_CPU_MCUSYS_RESET_ADDR 0x15194050
#define MTK_WED_WO_CPU_WO0_MCUSYS_RESET_MASK 0x20
#define MTK_WED_WO_CPU_WO1_MCUSYS_RESET_MASK 0x1
enum {
MTK_WED_WO_REGION_EMI,
MTK_WED_WO_REGION_ILM,
MTK_WED_WO_REGION_DATA,
MTK_WED_WO_REGION_BOOT,
__MTK_WED_WO_REGION_MAX,
};
enum mtk_wed_wo_state {
MTK_WED_WO_STATE_UNDEFINED,
MTK_WED_WO_STATE_INIT,
MTK_WED_WO_STATE_ENABLE,
MTK_WED_WO_STATE_DISABLE,
MTK_WED_WO_STATE_HALT,
MTK_WED_WO_STATE_GATING,
MTK_WED_WO_STATE_SER_RESET,
MTK_WED_WO_STATE_WF_RESET,
};
enum mtk_wed_wo_done_state {
MTK_WED_WOIF_UNDEFINED,
MTK_WED_WOIF_DISABLE_DONE,
MTK_WED_WOIF_TRIGGER_ENABLE,
MTK_WED_WOIF_ENABLE_DONE,
MTK_WED_WOIF_TRIGGER_GATING,
MTK_WED_WOIF_GATING_DONE,
MTK_WED_WOIF_TRIGGER_HALT,
MTK_WED_WOIF_HALT_DONE,
};
enum mtk_wed_dummy_cr_idx {
MTK_WED_DUMMY_CR_FWDL,
MTK_WED_DUMMY_CR_WO_STATUS,
};
#define MT7986_FIRMWARE_WO0 "mediatek/mt7986_wo_0.bin"
#define MT7986_FIRMWARE_WO1 "mediatek/mt7986_wo_1.bin"
#define MTK_WO_MCU_CFG_LS_BASE 0
#define MTK_WO_MCU_CFG_LS_HW_VER_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x000)
#define MTK_WO_MCU_CFG_LS_FW_VER_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x004)
#define MTK_WO_MCU_CFG_LS_CFG_DBG1_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x00c)
#define MTK_WO_MCU_CFG_LS_CFG_DBG2_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x010)
#define MTK_WO_MCU_CFG_LS_WF_MCCR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x014)
#define MTK_WO_MCU_CFG_LS_WF_MCCR_SET_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x018)
#define MTK_WO_MCU_CFG_LS_WF_MCCR_CLR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x01c)
#define MTK_WO_MCU_CFG_LS_WF_MCU_CFG_WM_WA_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x050)
#define MTK_WO_MCU_CFG_LS_WM_BOOT_ADDR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x060)
#define MTK_WO_MCU_CFG_LS_WA_BOOT_ADDR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x064)
#define MTK_WO_MCU_CFG_LS_WF_WM_WA_WM_CPU_RSTB_MASK BIT(5)
#define MTK_WO_MCU_CFG_LS_WF_WM_WA_WA_CPU_RSTB_MASK BIT(0)
#define MTK_WED_WO_RING_SIZE 256
#define MTK_WED_WO_CMD_LEN 1504
#define MTK_WED_WO_TXCH_NUM 0
#define MTK_WED_WO_RXCH_NUM 1
#define MTK_WED_WO_RXCH_WO_EXCEPTION 7
#define MTK_WED_WO_TXCH_INT_MASK BIT(0)
#define MTK_WED_WO_RXCH_INT_MASK BIT(1)
#define MTK_WED_WO_EXCEPTION_INT_MASK BIT(7)
#define MTK_WED_WO_ALL_INT_MASK (MTK_WED_WO_RXCH_INT_MASK | \
MTK_WED_WO_EXCEPTION_INT_MASK)
#define MTK_WED_WO_CCIF_BUSY 0x004
#define MTK_WED_WO_CCIF_START 0x008
#define MTK_WED_WO_CCIF_TCHNUM 0x00c
#define MTK_WED_WO_CCIF_RCHNUM 0x010
#define MTK_WED_WO_CCIF_RCHNUM_MASK GENMASK(7, 0)
#define MTK_WED_WO_CCIF_ACK 0x014
#define MTK_WED_WO_CCIF_IRQ0_MASK 0x018
#define MTK_WED_WO_CCIF_IRQ1_MASK 0x01c
#define MTK_WED_WO_CCIF_DUMMY1 0x020
#define MTK_WED_WO_CCIF_DUMMY2 0x024
#define MTK_WED_WO_CCIF_DUMMY3 0x028
#define MTK_WED_WO_CCIF_DUMMY4 0x02c
#define MTK_WED_WO_CCIF_SHADOW1 0x030
#define MTK_WED_WO_CCIF_SHADOW2 0x034
#define MTK_WED_WO_CCIF_SHADOW3 0x038
#define MTK_WED_WO_CCIF_SHADOW4 0x03c
#define MTK_WED_WO_CCIF_DUMMY5 0x050
#define MTK_WED_WO_CCIF_DUMMY6 0x054
#define MTK_WED_WO_CCIF_DUMMY7 0x058
#define MTK_WED_WO_CCIF_DUMMY8 0x05c
#define MTK_WED_WO_CCIF_SHADOW5 0x060
#define MTK_WED_WO_CCIF_SHADOW6 0x064
#define MTK_WED_WO_CCIF_SHADOW7 0x068
#define MTK_WED_WO_CCIF_SHADOW8 0x06c
#define MTK_WED_WO_CTL_SD_LEN1 GENMASK(13, 0)
#define MTK_WED_WO_CTL_LAST_SEC1 BIT(14)
#define MTK_WED_WO_CTL_BURST BIT(15)
#define MTK_WED_WO_CTL_SD_LEN0_SHIFT 16
#define MTK_WED_WO_CTL_SD_LEN0 GENMASK(29, 16)
#define MTK_WED_WO_CTL_LAST_SEC0 BIT(30)
#define MTK_WED_WO_CTL_DMA_DONE BIT(31)
#define MTK_WED_WO_INFO_WINFO GENMASK(15, 0)
struct mtk_wed_wo_memory_region {
const char *name;
void __iomem *addr;
phys_addr_t phy_addr;
u32 size;
bool shared:1;
bool consumed:1;
};
struct mtk_wed_fw_region {
__le32 decomp_crc;
__le32 decomp_len;
__le32 decomp_blk_sz;
u8 rsv0[4];
__le32 addr;
__le32 len;
u8 feature_set;
u8 rsv1[15];
} __packed;
struct mtk_wed_fw_trailer {
u8 chip_id;
u8 eco_code;
u8 num_region;
u8 format_ver;
u8 format_flag;
u8 rsv[2];
char fw_ver[10];
char build_date[15];
u32 crc;
};
struct mtk_wed_wo_queue_regs {
u32 desc_base;
u32 ring_size;
u32 cpu_idx;
u32 dma_idx;
};
struct mtk_wed_wo_queue_desc {
__le32 buf0;
__le32 ctrl;
__le32 buf1;
__le32 info;
__le32 reserved[4];
} __packed __aligned(32);
struct mtk_wed_wo_queue_entry {
dma_addr_t addr;
void *buf;
u32 len;
};
struct mtk_wed_wo_queue {
struct mtk_wed_wo_queue_regs regs;
struct page_frag_cache cache;
struct mtk_wed_wo_queue_desc *desc;
dma_addr_t desc_dma;
struct mtk_wed_wo_queue_entry *entry;
u16 head;
u16 tail;
int n_desc;
int queued;
int buf_size;
};
struct mtk_wed_wo {
struct mtk_wed_hw *hw;
struct mtk_wed_wo_memory_region boot;
struct mtk_wed_wo_queue q_tx;
struct mtk_wed_wo_queue q_rx;
struct {
struct mutex mutex;
int timeout;
u16 seq;
struct sk_buff_head res_q;
wait_queue_head_t wait;
} mcu;
struct {
struct regmap *regs;
spinlock_t lock;
struct tasklet_struct irq_tasklet;
int irq;
u32 irq_mask;
} mmio;
};
static inline int
mtk_wed_mcu_check_msg(struct mtk_wed_wo *wo, struct sk_buff *skb)
{
struct mtk_wed_mcu_hdr *hdr = (struct mtk_wed_mcu_hdr *)skb->data;
if (hdr->version)
return -EINVAL;
if (skb->len < sizeof(*hdr) || skb->len != le16_to_cpu(hdr->length))
return -EINVAL;
return 0;
}
void mtk_wed_mcu_rx_event(struct mtk_wed_wo *wo, struct sk_buff *skb);
void mtk_wed_mcu_rx_unsolicited_event(struct mtk_wed_wo *wo,
struct sk_buff *skb);
int mtk_wed_mcu_send_msg(struct mtk_wed_wo *wo, int id, int cmd,
const void *data, int len, bool wait_resp);
int mtk_wed_mcu_msg_update(struct mtk_wed_device *dev, int id, void *data,
int len);
int mtk_wed_mcu_init(struct mtk_wed_wo *wo);
int mtk_wed_wo_init(struct mtk_wed_hw *hw);
void mtk_wed_wo_deinit(struct mtk_wed_hw *hw);
int mtk_wed_wo_queue_tx_skb(struct mtk_wed_wo *dev, struct mtk_wed_wo_queue *q,
struct sk_buff *skb);
#endif /* __MTK_WED_WO_H */
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