1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright(c) 2018-2019  Realtek Corporation
3  */
4 
5 #ifndef	__RTW_HCI_H__
6 #define __RTW_HCI_H__
7 
8 /* ops for PCI, USB and SDIO */
9 struct rtw_hci_ops {
10 	int (*tx)(struct rtw_dev *rtwdev,
11 		  struct rtw_tx_pkt_info *pkt_info,
12 		  struct sk_buff *skb);
13 	int (*setup)(struct rtw_dev *rtwdev);
14 	int (*start)(struct rtw_dev *rtwdev);
15 	void (*stop)(struct rtw_dev *rtwdev);
16 
17 	int (*write_data_rsvd_page)(struct rtw_dev *rtwdev, u8 *buf, u32 size);
18 	int (*write_data_h2c)(struct rtw_dev *rtwdev, u8 *buf, u32 size);
19 
20 	u8 (*read8)(struct rtw_dev *rtwdev, u32 addr);
21 	u16 (*read16)(struct rtw_dev *rtwdev, u32 addr);
22 	u32 (*read32)(struct rtw_dev *rtwdev, u32 addr);
23 	void (*write8)(struct rtw_dev *rtwdev, u32 addr, u8 val);
24 	void (*write16)(struct rtw_dev *rtwdev, u32 addr, u16 val);
25 	void (*write32)(struct rtw_dev *rtwdev, u32 addr, u32 val);
26 };
27 
28 static inline int rtw_hci_tx(struct rtw_dev *rtwdev,
29 			     struct rtw_tx_pkt_info *pkt_info,
30 			     struct sk_buff *skb)
31 {
32 	return rtwdev->hci.ops->tx(rtwdev, pkt_info, skb);
33 }
34 
35 static inline int rtw_hci_setup(struct rtw_dev *rtwdev)
36 {
37 	return rtwdev->hci.ops->setup(rtwdev);
38 }
39 
40 static inline int rtw_hci_start(struct rtw_dev *rtwdev)
41 {
42 	return rtwdev->hci.ops->start(rtwdev);
43 }
44 
45 static inline void rtw_hci_stop(struct rtw_dev *rtwdev)
46 {
47 	rtwdev->hci.ops->stop(rtwdev);
48 }
49 
50 static inline int
51 rtw_hci_write_data_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
52 {
53 	return rtwdev->hci.ops->write_data_rsvd_page(rtwdev, buf, size);
54 }
55 
56 static inline int
57 rtw_hci_write_data_h2c(struct rtw_dev *rtwdev, u8 *buf, u32 size)
58 {
59 	return rtwdev->hci.ops->write_data_h2c(rtwdev, buf, size);
60 }
61 
62 static inline u8 rtw_read8(struct rtw_dev *rtwdev, u32 addr)
63 {
64 	return rtwdev->hci.ops->read8(rtwdev, addr);
65 }
66 
67 static inline u16 rtw_read16(struct rtw_dev *rtwdev, u32 addr)
68 {
69 	return rtwdev->hci.ops->read16(rtwdev, addr);
70 }
71 
72 static inline u32 rtw_read32(struct rtw_dev *rtwdev, u32 addr)
73 {
74 	return rtwdev->hci.ops->read32(rtwdev, addr);
75 }
76 
77 static inline void rtw_write8(struct rtw_dev *rtwdev, u32 addr, u8 val)
78 {
79 	rtwdev->hci.ops->write8(rtwdev, addr, val);
80 }
81 
82 static inline void rtw_write16(struct rtw_dev *rtwdev, u32 addr, u16 val)
83 {
84 	rtwdev->hci.ops->write16(rtwdev, addr, val);
85 }
86 
87 static inline void rtw_write32(struct rtw_dev *rtwdev, u32 addr, u32 val)
88 {
89 	rtwdev->hci.ops->write32(rtwdev, addr, val);
90 }
91 
92 static inline void rtw_write8_set(struct rtw_dev *rtwdev, u32 addr, u8 bit)
93 {
94 	u8 val;
95 
96 	val = rtw_read8(rtwdev, addr);
97 	rtw_write8(rtwdev, addr, val | bit);
98 }
99 
100 static inline void rtw_write16_set(struct rtw_dev *rtwdev, u32 addr, u16 bit)
101 {
102 	u16 val;
103 
104 	val = rtw_read16(rtwdev, addr);
105 	rtw_write16(rtwdev, addr, val | bit);
106 }
107 
108 static inline void rtw_write32_set(struct rtw_dev *rtwdev, u32 addr, u32 bit)
109 {
110 	u32 val;
111 
112 	val = rtw_read32(rtwdev, addr);
113 	rtw_write32(rtwdev, addr, val | bit);
114 }
115 
116 static inline void rtw_write8_clr(struct rtw_dev *rtwdev, u32 addr, u8 bit)
117 {
118 	u8 val;
119 
120 	val = rtw_read8(rtwdev, addr);
121 	rtw_write8(rtwdev, addr, val & ~bit);
122 }
123 
124 static inline void rtw_write16_clr(struct rtw_dev *rtwdev, u32 addr, u16 bit)
125 {
126 	u16 val;
127 
128 	val = rtw_read16(rtwdev, addr);
129 	rtw_write16(rtwdev, addr, val & ~bit);
130 }
131 
132 static inline void rtw_write32_clr(struct rtw_dev *rtwdev, u32 addr, u32 bit)
133 {
134 	u32 val;
135 
136 	val = rtw_read32(rtwdev, addr);
137 	rtw_write32(rtwdev, addr, val & ~bit);
138 }
139 
140 static inline u32
141 rtw_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
142 	    u32 addr, u32 mask)
143 {
144 	unsigned long flags;
145 	u32 val;
146 
147 	spin_lock_irqsave(&rtwdev->rf_lock, flags);
148 	val = rtwdev->chip->ops->read_rf(rtwdev, rf_path, addr, mask);
149 	spin_unlock_irqrestore(&rtwdev->rf_lock, flags);
150 
151 	return val;
152 }
153 
154 static inline void
155 rtw_write_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
156 	     u32 addr, u32 mask, u32 data)
157 {
158 	unsigned long flags;
159 
160 	spin_lock_irqsave(&rtwdev->rf_lock, flags);
161 	rtwdev->chip->ops->write_rf(rtwdev, rf_path, addr, mask, data);
162 	spin_unlock_irqrestore(&rtwdev->rf_lock, flags);
163 }
164 
165 static inline u32
166 rtw_read32_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask)
167 {
168 	u32 shift = __ffs(mask);
169 	u32 orig;
170 	u32 ret;
171 
172 	orig = rtw_read32(rtwdev, addr);
173 	ret = (orig & mask) >> shift;
174 
175 	return ret;
176 }
177 
178 static inline void
179 rtw_write32_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data)
180 {
181 	u32 shift = __ffs(mask);
182 	u32 orig;
183 	u32 set;
184 
185 	WARN(addr & 0x3, "should be 4-byte aligned, addr = 0x%08x\n", addr);
186 
187 	orig = rtw_read32(rtwdev, addr);
188 	set = (orig & ~mask) | ((data << shift) & mask);
189 	rtw_write32(rtwdev, addr, set);
190 }
191 
192 static inline void
193 rtw_write8_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u8 data)
194 {
195 	u32 shift;
196 	u8 orig, set;
197 
198 	mask &= 0xff;
199 	shift = __ffs(mask);
200 
201 	orig = rtw_read8(rtwdev, addr);
202 	set = (orig & ~mask) | ((data << shift) & mask);
203 	rtw_write8(rtwdev, addr, set);
204 }
205 
206 static inline enum rtw_hci_type rtw_hci_type(struct rtw_dev *rtwdev)
207 {
208 	return rtwdev->hci.type;
209 }
210 
211 #endif
212