hci.h (6499B)
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 */ 9struct rtw_hci_ops { 10 int (*tx_write)(struct rtw_dev *rtwdev, 11 struct rtw_tx_pkt_info *pkt_info, 12 struct sk_buff *skb); 13 void (*tx_kick_off)(struct rtw_dev *rtwdev); 14 void (*flush_queues)(struct rtw_dev *rtwdev, u32 queues, bool drop); 15 int (*setup)(struct rtw_dev *rtwdev); 16 int (*start)(struct rtw_dev *rtwdev); 17 void (*stop)(struct rtw_dev *rtwdev); 18 void (*deep_ps)(struct rtw_dev *rtwdev, bool enter); 19 void (*link_ps)(struct rtw_dev *rtwdev, bool enter); 20 void (*interface_cfg)(struct rtw_dev *rtwdev); 21 22 int (*write_data_rsvd_page)(struct rtw_dev *rtwdev, u8 *buf, u32 size); 23 int (*write_data_h2c)(struct rtw_dev *rtwdev, u8 *buf, u32 size); 24 25 u8 (*read8)(struct rtw_dev *rtwdev, u32 addr); 26 u16 (*read16)(struct rtw_dev *rtwdev, u32 addr); 27 u32 (*read32)(struct rtw_dev *rtwdev, u32 addr); 28 void (*write8)(struct rtw_dev *rtwdev, u32 addr, u8 val); 29 void (*write16)(struct rtw_dev *rtwdev, u32 addr, u16 val); 30 void (*write32)(struct rtw_dev *rtwdev, u32 addr, u32 val); 31}; 32 33static inline int rtw_hci_tx_write(struct rtw_dev *rtwdev, 34 struct rtw_tx_pkt_info *pkt_info, 35 struct sk_buff *skb) 36{ 37 return rtwdev->hci.ops->tx_write(rtwdev, pkt_info, skb); 38} 39 40static inline void rtw_hci_tx_kick_off(struct rtw_dev *rtwdev) 41{ 42 return rtwdev->hci.ops->tx_kick_off(rtwdev); 43} 44 45static inline int rtw_hci_setup(struct rtw_dev *rtwdev) 46{ 47 return rtwdev->hci.ops->setup(rtwdev); 48} 49 50static inline int rtw_hci_start(struct rtw_dev *rtwdev) 51{ 52 return rtwdev->hci.ops->start(rtwdev); 53} 54 55static inline void rtw_hci_stop(struct rtw_dev *rtwdev) 56{ 57 rtwdev->hci.ops->stop(rtwdev); 58} 59 60static inline void rtw_hci_deep_ps(struct rtw_dev *rtwdev, bool enter) 61{ 62 rtwdev->hci.ops->deep_ps(rtwdev, enter); 63} 64 65static inline void rtw_hci_link_ps(struct rtw_dev *rtwdev, bool enter) 66{ 67 rtwdev->hci.ops->link_ps(rtwdev, enter); 68} 69 70static inline void rtw_hci_interface_cfg(struct rtw_dev *rtwdev) 71{ 72 rtwdev->hci.ops->interface_cfg(rtwdev); 73} 74 75static inline int 76rtw_hci_write_data_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size) 77{ 78 return rtwdev->hci.ops->write_data_rsvd_page(rtwdev, buf, size); 79} 80 81static inline int 82rtw_hci_write_data_h2c(struct rtw_dev *rtwdev, u8 *buf, u32 size) 83{ 84 return rtwdev->hci.ops->write_data_h2c(rtwdev, buf, size); 85} 86 87static inline u8 rtw_read8(struct rtw_dev *rtwdev, u32 addr) 88{ 89 return rtwdev->hci.ops->read8(rtwdev, addr); 90} 91 92static inline u16 rtw_read16(struct rtw_dev *rtwdev, u32 addr) 93{ 94 return rtwdev->hci.ops->read16(rtwdev, addr); 95} 96 97static inline u32 rtw_read32(struct rtw_dev *rtwdev, u32 addr) 98{ 99 return rtwdev->hci.ops->read32(rtwdev, addr); 100} 101 102static inline void rtw_write8(struct rtw_dev *rtwdev, u32 addr, u8 val) 103{ 104 rtwdev->hci.ops->write8(rtwdev, addr, val); 105} 106 107static inline void rtw_write16(struct rtw_dev *rtwdev, u32 addr, u16 val) 108{ 109 rtwdev->hci.ops->write16(rtwdev, addr, val); 110} 111 112static inline void rtw_write32(struct rtw_dev *rtwdev, u32 addr, u32 val) 113{ 114 rtwdev->hci.ops->write32(rtwdev, addr, val); 115} 116 117static inline void rtw_write8_set(struct rtw_dev *rtwdev, u32 addr, u8 bit) 118{ 119 u8 val; 120 121 val = rtw_read8(rtwdev, addr); 122 rtw_write8(rtwdev, addr, val | bit); 123} 124 125static inline void rtw_write16_set(struct rtw_dev *rtwdev, u32 addr, u16 bit) 126{ 127 u16 val; 128 129 val = rtw_read16(rtwdev, addr); 130 rtw_write16(rtwdev, addr, val | bit); 131} 132 133static inline void rtw_write32_set(struct rtw_dev *rtwdev, u32 addr, u32 bit) 134{ 135 u32 val; 136 137 val = rtw_read32(rtwdev, addr); 138 rtw_write32(rtwdev, addr, val | bit); 139} 140 141static inline void rtw_write8_clr(struct rtw_dev *rtwdev, u32 addr, u8 bit) 142{ 143 u8 val; 144 145 val = rtw_read8(rtwdev, addr); 146 rtw_write8(rtwdev, addr, val & ~bit); 147} 148 149static inline void rtw_write16_clr(struct rtw_dev *rtwdev, u32 addr, u16 bit) 150{ 151 u16 val; 152 153 val = rtw_read16(rtwdev, addr); 154 rtw_write16(rtwdev, addr, val & ~bit); 155} 156 157static inline void rtw_write32_clr(struct rtw_dev *rtwdev, u32 addr, u32 bit) 158{ 159 u32 val; 160 161 val = rtw_read32(rtwdev, addr); 162 rtw_write32(rtwdev, addr, val & ~bit); 163} 164 165static inline u32 166rtw_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, 167 u32 addr, u32 mask) 168{ 169 unsigned long flags; 170 u32 val; 171 172 spin_lock_irqsave(&rtwdev->rf_lock, flags); 173 val = rtwdev->chip->ops->read_rf(rtwdev, rf_path, addr, mask); 174 spin_unlock_irqrestore(&rtwdev->rf_lock, flags); 175 176 return val; 177} 178 179static inline void 180rtw_write_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, 181 u32 addr, u32 mask, u32 data) 182{ 183 unsigned long flags; 184 185 spin_lock_irqsave(&rtwdev->rf_lock, flags); 186 rtwdev->chip->ops->write_rf(rtwdev, rf_path, addr, mask, data); 187 spin_unlock_irqrestore(&rtwdev->rf_lock, flags); 188} 189 190static inline u32 191rtw_read32_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask) 192{ 193 u32 shift = __ffs(mask); 194 u32 orig; 195 u32 ret; 196 197 orig = rtw_read32(rtwdev, addr); 198 ret = (orig & mask) >> shift; 199 200 return ret; 201} 202 203static inline u16 204rtw_read16_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask) 205{ 206 u32 shift = __ffs(mask); 207 u32 orig; 208 u32 ret; 209 210 orig = rtw_read16(rtwdev, addr); 211 ret = (orig & mask) >> shift; 212 213 return ret; 214} 215 216static inline u8 217rtw_read8_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask) 218{ 219 u32 shift = __ffs(mask); 220 u32 orig; 221 u32 ret; 222 223 orig = rtw_read8(rtwdev, addr); 224 ret = (orig & mask) >> shift; 225 226 return ret; 227} 228 229static inline void 230rtw_write32_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 data) 231{ 232 u32 shift = __ffs(mask); 233 u32 orig; 234 u32 set; 235 236 WARN(addr & 0x3, "should be 4-byte aligned, addr = 0x%08x\n", addr); 237 238 orig = rtw_read32(rtwdev, addr); 239 set = (orig & ~mask) | ((data << shift) & mask); 240 rtw_write32(rtwdev, addr, set); 241} 242 243static inline void 244rtw_write8_mask(struct rtw_dev *rtwdev, u32 addr, u32 mask, u8 data) 245{ 246 u32 shift; 247 u8 orig, set; 248 249 mask &= 0xff; 250 shift = __ffs(mask); 251 252 orig = rtw_read8(rtwdev, addr); 253 set = (orig & ~mask) | ((data << shift) & mask); 254 rtw_write8(rtwdev, addr, set); 255} 256 257static inline enum rtw_hci_type rtw_hci_type(struct rtw_dev *rtwdev) 258{ 259 return rtwdev->hci.type; 260} 261 262static inline void rtw_hci_flush_queues(struct rtw_dev *rtwdev, u32 queues, 263 bool drop) 264{ 265 if (rtwdev->hci.ops->flush_queues) 266 rtwdev->hci.ops->flush_queues(rtwdev, queues, drop); 267} 268 269static inline void rtw_hci_flush_all_queues(struct rtw_dev *rtwdev, bool drop) 270{ 271 if (rtwdev->hci.ops->flush_queues) 272 rtwdev->hci.ops->flush_queues(rtwdev, 273 BIT(rtwdev->hw->queues) - 1, 274 drop); 275} 276 277#endif