| /* 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 MT7981_FIRMWARE_WO "mediatek/mt7981_wo.bin" |
| #define MT7986_FIRMWARE_WO0 "mediatek/mt7986_wo_0.bin" |
| #define MT7986_FIRMWARE_WO1 "mediatek/mt7986_wo_1.bin" |
| #define MT7988_FIRMWARE_WO0 "mediatek/mt7988_wo_0.bin" |
| #define MT7988_FIRMWARE_WO1 "mediatek/mt7988_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_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 */ |
