1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (C) 2022 Lorenzo Bianconi <lorenzo@kernel.org> */
3
4 #ifndef __MTK_WED_WO_H
5 #define __MTK_WED_WO_H
6
7 #include <linux/skbuff.h>
8 #include <linux/netdevice.h>
9
10 struct mtk_wed_hw;
11
12 struct mtk_wed_mcu_hdr {
13 /* DW0 */
14 u8 version;
15 u8 cmd;
16 __le16 length;
17
18 /* DW1 */
19 __le16 seq;
20 __le16 flag;
21
22 /* DW2 */
23 __le32 status;
24
25 /* DW3 */
26 u8 rsv[20];
27 };
28
29 struct mtk_wed_wo_log_info {
30 __le32 sn;
31 __le32 total;
32 __le32 rro;
33 __le32 mod;
34 };
35
36 enum mtk_wed_wo_event {
37 MTK_WED_WO_EVT_LOG_DUMP = 0x1,
38 MTK_WED_WO_EVT_PROFILING = 0x2,
39 MTK_WED_WO_EVT_RXCNT_INFO = 0x3,
40 };
41
42 #define MTK_WED_MODULE_ID_WO 1
43 #define MTK_FW_DL_TIMEOUT 4000000 /* us */
44 #define MTK_WOCPU_TIMEOUT 2000000 /* us */
45
46 enum {
47 MTK_WED_WARP_CMD_FLAG_RSP = BIT(0),
48 MTK_WED_WARP_CMD_FLAG_NEED_RSP = BIT(1),
49 MTK_WED_WARP_CMD_FLAG_FROM_TO_WO = BIT(2),
50 };
51
52 #define MTK_WED_WO_CPU_MCUSYS_RESET_ADDR 0x15194050
53 #define MTK_WED_WO_CPU_WO0_MCUSYS_RESET_MASK 0x20
54 #define MTK_WED_WO_CPU_WO1_MCUSYS_RESET_MASK 0x1
55
56 enum {
57 MTK_WED_WO_REGION_EMI,
58 MTK_WED_WO_REGION_ILM,
59 MTK_WED_WO_REGION_DATA,
60 MTK_WED_WO_REGION_BOOT,
61 __MTK_WED_WO_REGION_MAX,
62 };
63
64 enum mtk_wed_wo_state {
65 MTK_WED_WO_STATE_UNDEFINED,
66 MTK_WED_WO_STATE_INIT,
67 MTK_WED_WO_STATE_ENABLE,
68 MTK_WED_WO_STATE_DISABLE,
69 MTK_WED_WO_STATE_HALT,
70 MTK_WED_WO_STATE_GATING,
71 MTK_WED_WO_STATE_SER_RESET,
72 MTK_WED_WO_STATE_WF_RESET,
73 };
74
75 enum mtk_wed_wo_done_state {
76 MTK_WED_WOIF_UNDEFINED,
77 MTK_WED_WOIF_DISABLE_DONE,
78 MTK_WED_WOIF_TRIGGER_ENABLE,
79 MTK_WED_WOIF_ENABLE_DONE,
80 MTK_WED_WOIF_TRIGGER_GATING,
81 MTK_WED_WOIF_GATING_DONE,
82 MTK_WED_WOIF_TRIGGER_HALT,
83 MTK_WED_WOIF_HALT_DONE,
84 };
85
86 enum mtk_wed_dummy_cr_idx {
87 MTK_WED_DUMMY_CR_FWDL,
88 MTK_WED_DUMMY_CR_WO_STATUS,
89 };
90
91 #define MT7981_FIRMWARE_WO "mediatek/mt7981_wo.bin"
92 #define MT7986_FIRMWARE_WO0 "mediatek/mt7986_wo_0.bin"
93 #define MT7986_FIRMWARE_WO1 "mediatek/mt7986_wo_1.bin"
94 #define MT7988_FIRMWARE_WO0 "mediatek/mt7988_wo_0.bin"
95 #define MT7988_FIRMWARE_WO1 "mediatek/mt7988_wo_1.bin"
96
97 #define MTK_WO_MCU_CFG_LS_BASE 0
98 #define MTK_WO_MCU_CFG_LS_HW_VER_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x000)
99 #define MTK_WO_MCU_CFG_LS_FW_VER_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x004)
100 #define MTK_WO_MCU_CFG_LS_CFG_DBG1_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x00c)
101 #define MTK_WO_MCU_CFG_LS_CFG_DBG2_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x010)
102 #define MTK_WO_MCU_CFG_LS_WF_MCCR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x014)
103 #define MTK_WO_MCU_CFG_LS_WF_MCCR_SET_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x018)
104 #define MTK_WO_MCU_CFG_LS_WF_MCCR_CLR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x01c)
105 #define MTK_WO_MCU_CFG_LS_WF_MCU_CFG_WM_WA_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x050)
106 #define MTK_WO_MCU_CFG_LS_WM_BOOT_ADDR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x060)
107 #define MTK_WO_MCU_CFG_LS_WA_BOOT_ADDR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x064)
108
109 #define MTK_WO_MCU_CFG_LS_WF_WM_WA_WM_CPU_RSTB_MASK BIT(5)
110 #define MTK_WO_MCU_CFG_LS_WF_WM_WA_WA_CPU_RSTB_MASK BIT(0)
111
112 #define MTK_WED_WO_RING_SIZE 256
113 #define MTK_WED_WO_CMD_LEN 1504
114
115 #define MTK_WED_WO_TXCH_NUM 0
116 #define MTK_WED_WO_RXCH_NUM 1
117 #define MTK_WED_WO_RXCH_WO_EXCEPTION 7
118
119 #define MTK_WED_WO_TXCH_INT_MASK BIT(0)
120 #define MTK_WED_WO_RXCH_INT_MASK BIT(1)
121 #define MTK_WED_WO_EXCEPTION_INT_MASK BIT(7)
122 #define MTK_WED_WO_ALL_INT_MASK (MTK_WED_WO_RXCH_INT_MASK | \
123 MTK_WED_WO_EXCEPTION_INT_MASK)
124
125 #define MTK_WED_WO_CCIF_BUSY 0x004
126 #define MTK_WED_WO_CCIF_START 0x008
127 #define MTK_WED_WO_CCIF_TCHNUM 0x00c
128 #define MTK_WED_WO_CCIF_RCHNUM 0x010
129 #define MTK_WED_WO_CCIF_RCHNUM_MASK GENMASK(7, 0)
130
131 #define MTK_WED_WO_CCIF_ACK 0x014
132 #define MTK_WED_WO_CCIF_IRQ0_MASK 0x018
133 #define MTK_WED_WO_CCIF_IRQ1_MASK 0x01c
134 #define MTK_WED_WO_CCIF_DUMMY1 0x020
135 #define MTK_WED_WO_CCIF_DUMMY2 0x024
136 #define MTK_WED_WO_CCIF_DUMMY3 0x028
137 #define MTK_WED_WO_CCIF_DUMMY4 0x02c
138 #define MTK_WED_WO_CCIF_SHADOW1 0x030
139 #define MTK_WED_WO_CCIF_SHADOW2 0x034
140 #define MTK_WED_WO_CCIF_SHADOW3 0x038
141 #define MTK_WED_WO_CCIF_SHADOW4 0x03c
142 #define MTK_WED_WO_CCIF_DUMMY5 0x050
143 #define MTK_WED_WO_CCIF_DUMMY6 0x054
144 #define MTK_WED_WO_CCIF_DUMMY7 0x058
145 #define MTK_WED_WO_CCIF_DUMMY8 0x05c
146 #define MTK_WED_WO_CCIF_SHADOW5 0x060
147 #define MTK_WED_WO_CCIF_SHADOW6 0x064
148 #define MTK_WED_WO_CCIF_SHADOW7 0x068
149 #define MTK_WED_WO_CCIF_SHADOW8 0x06c
150
151 #define MTK_WED_WO_CTL_SD_LEN1 GENMASK(13, 0)
152 #define MTK_WED_WO_CTL_LAST_SEC1 BIT(14)
153 #define MTK_WED_WO_CTL_BURST BIT(15)
154 #define MTK_WED_WO_CTL_SD_LEN0_SHIFT 16
155 #define MTK_WED_WO_CTL_SD_LEN0 GENMASK(29, 16)
156 #define MTK_WED_WO_CTL_LAST_SEC0 BIT(30)
157 #define MTK_WED_WO_CTL_DMA_DONE BIT(31)
158 #define MTK_WED_WO_INFO_WINFO GENMASK(15, 0)
159
160 struct mtk_wed_wo_memory_region {
161 const char *name;
162 void __iomem *addr;
163 phys_addr_t phy_addr;
164 u32 size;
165 bool shared:1;
166 bool consumed:1;
167 };
168
169 struct mtk_wed_fw_region {
170 __le32 decomp_crc;
171 __le32 decomp_len;
172 __le32 decomp_blk_sz;
173 u8 rsv0[4];
174 __le32 addr;
175 __le32 len;
176 u8 feature_set;
177 u8 rsv1[15];
178 } __packed;
179
180 struct mtk_wed_fw_trailer {
181 u8 chip_id;
182 u8 eco_code;
183 u8 num_region;
184 u8 format_ver;
185 u8 format_flag;
186 u8 rsv[2];
187 char fw_ver[10];
188 char build_date[15];
189 u32 crc;
190 };
191
192 struct mtk_wed_wo_queue_regs {
193 u32 desc_base;
194 u32 ring_size;
195 u32 cpu_idx;
196 u32 dma_idx;
197 };
198
199 struct mtk_wed_wo_queue_desc {
200 __le32 buf0;
201 __le32 ctrl;
202 __le32 buf1;
203 __le32 info;
204 __le32 reserved[4];
205 } __packed __aligned(32);
206
207 struct mtk_wed_wo_queue_entry {
208 dma_addr_t addr;
209 void *buf;
210 u32 len;
211 };
212
213 struct mtk_wed_wo_queue {
214 struct mtk_wed_wo_queue_regs regs;
215
216 struct page_frag_cache cache;
217
218 struct mtk_wed_wo_queue_desc *desc;
219 dma_addr_t desc_dma;
220
221 struct mtk_wed_wo_queue_entry *entry;
222
223 u16 head;
224 u16 tail;
225 int n_desc;
226 int queued;
227 int buf_size;
228
229 };
230
231 struct mtk_wed_wo {
232 struct mtk_wed_hw *hw;
233
234 struct mtk_wed_wo_queue q_tx;
235 struct mtk_wed_wo_queue q_rx;
236
237 struct {
238 struct mutex mutex;
239 int timeout;
240 u16 seq;
241
242 struct sk_buff_head res_q;
243 wait_queue_head_t wait;
244 } mcu;
245
246 struct {
247 struct regmap *regs;
248
249 spinlock_t lock;
250 struct tasklet_struct irq_tasklet;
251 int irq;
252 u32 irq_mask;
253 } mmio;
254 };
255
256 static inline int
mtk_wed_mcu_check_msg(struct mtk_wed_wo * wo,struct sk_buff * skb)257 mtk_wed_mcu_check_msg(struct mtk_wed_wo *wo, struct sk_buff *skb)
258 {
259 struct mtk_wed_mcu_hdr *hdr = (struct mtk_wed_mcu_hdr *)skb->data;
260
261 if (hdr->version)
262 return -EINVAL;
263
264 if (skb->len < sizeof(*hdr) || skb->len != le16_to_cpu(hdr->length))
265 return -EINVAL;
266
267 return 0;
268 }
269
270 void mtk_wed_mcu_rx_event(struct mtk_wed_wo *wo, struct sk_buff *skb);
271 void mtk_wed_mcu_rx_unsolicited_event(struct mtk_wed_wo *wo,
272 struct sk_buff *skb);
273 int mtk_wed_mcu_send_msg(struct mtk_wed_wo *wo, int id, int cmd,
274 const void *data, int len, bool wait_resp);
275 int mtk_wed_mcu_msg_update(struct mtk_wed_device *dev, int id, void *data,
276 int len);
277 int mtk_wed_mcu_init(struct mtk_wed_wo *wo);
278 int mtk_wed_wo_init(struct mtk_wed_hw *hw);
279 void mtk_wed_wo_deinit(struct mtk_wed_hw *hw);
280 int mtk_wed_wo_queue_tx_skb(struct mtk_wed_wo *dev, struct mtk_wed_wo_queue *q,
281 struct sk_buff *skb);
282
283 #endif /* __MTK_WED_WO_H */
284