1 // SPDX-FileCopyrightText: 2019 Jiao Xianjun <[email protected]> 2 // SPDX-License-Identifier: AGPL-3.0-or-later 3 4 #ifndef OPENWIFI_SDR 5 #define OPENWIFI_SDR 6 7 // -------------------for leds-------------------------------- 8 struct gpio_led_data { //pleas always align with the leds-gpio.c in linux kernel 9 struct led_classdev cdev; 10 struct gpio_desc *gpiod; 11 u8 can_sleep; 12 u8 blinking; 13 gpio_blink_set_t platform_gpio_blink_set; 14 }; 15 16 struct gpio_leds_priv { //pleas always align with the leds-gpio.c in linux kernel 17 int num_leds; 18 struct gpio_led_data leds[]; 19 }; 20 21 struct openwifi_rf_ops { 22 char *name; 23 // void (*init)(struct ieee80211_hw *); 24 // void (*stop)(struct ieee80211_hw *); 25 void (*set_chan)(struct ieee80211_hw *, struct ieee80211_conf *); 26 // u8 (*calc_rssi)(u8 agc, u8 sq); 27 }; 28 29 struct openwifi_buffer_descriptor { 30 // u32 num_dma_byte; 31 // u32 sn; 32 // u32 hw_queue_idx; 33 // u32 retry_limit; 34 // u32 need_ack; 35 struct sk_buff *skb_linked; 36 dma_addr_t dma_mapping_addr; 37 // u32 reserved; 38 } __packed; 39 40 struct openwifi_ring { 41 struct openwifi_buffer_descriptor *bds; 42 u32 bd_wr_idx; 43 u32 bd_rd_idx; 44 u32 stop_flag; // track the stop/wake status between tx interrupt and openwifi_tx 45 // u32 num_dma_symbol_request; 46 // u32 reserved; 47 } __packed; 48 49 struct openwifi_vif { 50 struct ieee80211_hw *dev; 51 52 int idx; // this vif's idx on the dev 53 54 /* beaconing */ 55 struct delayed_work beacon_work; 56 bool enable_beacon; 57 }; 58 59 union u32_byte4 { 60 u32 a; 61 u8 c[4]; 62 }; 63 union u16_byte2 { 64 u16 a; 65 u8 c[2]; 66 }; 67 68 #define MAX_NUM_LED 4 69 #define OPENWIFI_LED_MAX_NAME_LEN 32 70 71 // ------------ software reg definition ------------ 72 #define MAX_NUM_DRV_REG 8 73 #define DRV_TX_REG_IDX_RATE 0 74 #define DRV_TX_REG_IDX_FREQ_BW_CFG 1 75 #define DRV_TX_REG_IDX_PRINT_CFG (MAX_NUM_DRV_REG-1) 76 77 #define DRV_RX_REG_IDX_FREQ_BW_CFG 1 78 #define DRV_RX_REG_IDX_EXTRA_FO 2 79 #define DRV_RX_REG_IDX_PRINT_CFG (MAX_NUM_DRV_REG-1) 80 81 #define DRV_XPU_REG_IDX_GIT_REV (MAX_NUM_DRV_REG-1) 82 83 // ------end of software reg definition ------------ 84 85 #define MAX_NUM_VIF 4 86 87 #define LEN_PHY_HEADER 16 88 #define LEN_PHY_CRC 4 89 90 #define RING_ROOM_THRESHOLD 4 91 #define NUM_TX_BD 64 // !!! should align to the fifo size in tx_bit_intf.v 92 #define NUM_RX_BD 16 93 #define TX_BD_BUF_SIZE (8192) 94 #define RX_BD_BUF_SIZE (8192) 95 96 #define NUM_BIT_MAX_NUM_HW_QUEUE 2 97 #define MAX_NUM_HW_QUEUE 4 // number of queue in FPGA 98 #define MAX_NUM_SW_QUEUE 4 // number of queue in Linux, depends on the number we report by dev->queues in openwifi_dev_probe 99 #define NUM_BIT_MAX_PHY_TX_SN 10 // decrease 12 to 10 to reserve 2 bits storing related linux prio idx 100 #define MAX_PHY_TX_SN ((1<<NUM_BIT_MAX_PHY_TX_SN)-1) 101 102 #define AD9361_RADIO_OFF_TX_ATT 89750 //please align with ad9361.c 103 #define AD9361_RADIO_ON_TX_ATT 000 //please align with rf_init.sh 104 105 #define SDR_SUPPORTED_FILTERS \ 106 (FIF_ALLMULTI | \ 107 FIF_BCN_PRBRESP_PROMISC | \ 108 FIF_CONTROL | \ 109 FIF_OTHER_BSS | \ 110 FIF_PSPOLL | \ 111 FIF_PROBE_REQ) 112 113 #define HIGH_PRIORITY_DISCARD_FLAG ((~0x040)<<16) // don't force drop OTHER_BSS by high priority discard 114 //#define HIGH_PRIORITY_DISCARD_FLAG ((~0x140)<<16) // don't force drop OTHER_BSS and PROB_REQ by high priority discard 115 116 /* 5G chan 36 - chan 64*/ 117 #define SDR_5GHZ_CH36_64 \ 118 REG_RULE(5150-10, 5350+10, 80, 0, 20, 0) 119 /* 5G chan 36 - chan 48*/ 120 #define SDR_5GHZ_CH36_48 \ 121 REG_RULE(5150-10, 5270+10, 80, 0, 20, 0) 122 123 /* 124 *Only these channels all allow active 125 *scan on all world regulatory domains 126 */ 127 #define SDR_2GHZ_CH01_13 REG_RULE(2412-10, 2472+10, 40, 0, 20, NL80211_RRF_NO_CCK) // disable 11b 128 #define SDR_2GHZ_CH01_14 REG_RULE(2412-10, 2484+10, 40, 0, 20, NL80211_RRF_NO_CCK) // disable 11b 129 130 // regulatory.h alpha2 131 // * 00 - World regulatory domain 132 // * 99 - built by driver but a specific alpha2 cannot be determined 133 // * 98 - result of an intersection between two regulatory domains 134 // * 97 - regulatory domain has not yet been configured 135 static const struct ieee80211_regdomain sdr_regd = { // for wiphy_apply_custom_regulatory 136 .n_reg_rules = 2, 137 .alpha2 = "99", 138 .dfs_region = NL80211_DFS_ETSI, 139 .reg_rules = { 140 //SDR_2GHZ_CH01_13, 141 //SDR_5GHZ_CH36_48, //Avoid radar! 142 SDR_2GHZ_CH01_14, 143 SDR_5GHZ_CH36_64, 144 } 145 }; 146 147 #define CHAN2G(_channel, _freq, _flags) { \ 148 .band = NL80211_BAND_2GHZ, \ 149 .hw_value = (_channel), \ 150 .center_freq = (_freq), \ 151 .flags = (_flags), \ 152 .max_antenna_gain = 0, \ 153 .max_power = 0, \ 154 } 155 156 #define CHAN5G(_channel, _freq, _flags) { \ 157 .band = NL80211_BAND_5GHZ, \ 158 .hw_value = (_channel), \ 159 .center_freq = (_freq), \ 160 .flags = (_flags), \ 161 .max_antenna_gain = 0, \ 162 .max_power = 0, \ 163 } 164 165 static const struct ieee80211_rate openwifi_5GHz_rates[] = { 166 { .bitrate = 10, .hw_value = 0, .flags = 0}, 167 { .bitrate = 20, .hw_value = 1, .flags = 0}, 168 { .bitrate = 55, .hw_value = 2, .flags = 0}, 169 { .bitrate = 110, .hw_value = 3, .flags = 0}, 170 { .bitrate = 60, .hw_value = 4, .flags = IEEE80211_RATE_MANDATORY_A}, 171 { .bitrate = 90, .hw_value = 5, .flags = IEEE80211_RATE_MANDATORY_A}, 172 { .bitrate = 120, .hw_value = 6, .flags = IEEE80211_RATE_MANDATORY_A}, 173 { .bitrate = 180, .hw_value = 7, .flags = IEEE80211_RATE_MANDATORY_A}, 174 { .bitrate = 240, .hw_value = 8, .flags = IEEE80211_RATE_MANDATORY_A}, 175 { .bitrate = 360, .hw_value = 9, .flags = IEEE80211_RATE_MANDATORY_A}, 176 { .bitrate = 480, .hw_value = 10, .flags = IEEE80211_RATE_MANDATORY_A}, 177 { .bitrate = 540, .hw_value = 11, .flags = IEEE80211_RATE_MANDATORY_A}, 178 }; 179 180 static const struct ieee80211_rate openwifi_2GHz_rates[] = { 181 { .bitrate = 10, .hw_value = 0, .flags = 0}, 182 { .bitrate = 20, .hw_value = 1, .flags = 0}, 183 { .bitrate = 55, .hw_value = 2, .flags = 0}, 184 { .bitrate = 110, .hw_value = 3, .flags = 0}, 185 { .bitrate = 60, .hw_value = 4, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 186 { .bitrate = 90, .hw_value = 5, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 187 { .bitrate = 120, .hw_value = 6, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 188 { .bitrate = 180, .hw_value = 7, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 189 { .bitrate = 240, .hw_value = 8, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 190 { .bitrate = 360, .hw_value = 9, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 191 { .bitrate = 480, .hw_value = 10, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 192 { .bitrate = 540, .hw_value = 11, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 193 }; 194 195 static const struct ieee80211_channel openwifi_2GHz_channels[] = { 196 CHAN2G(1, 2412, 0), 197 CHAN2G(2, 2417, 0), 198 CHAN2G(3, 2422, 0), 199 CHAN2G(4, 2427, 0), 200 CHAN2G(5, 2432, 0), 201 CHAN2G(6, 2437, 0), 202 CHAN2G(7, 2442, 0), 203 CHAN2G(8, 2447, 0), 204 CHAN2G(9, 2452, 0), 205 CHAN2G(10, 2457, 0), 206 CHAN2G(11, 2462, 0), 207 CHAN2G(12, 2467, 0), 208 CHAN2G(13, 2472, 0), 209 CHAN2G(14, 2484, 0), 210 }; 211 212 static const struct ieee80211_channel openwifi_5GHz_channels[] = { 213 CHAN5G(36, 5180, 0), 214 CHAN5G(38, 5190, 0), 215 CHAN5G(40, 5200, 0), 216 CHAN5G(42, 5210, 0), 217 CHAN5G(44, 5220, 0), 218 CHAN5G(46, 5230, 0), 219 CHAN5G(48, 5240, 0), 220 CHAN5G(52, 5260, IEEE80211_CHAN_RADAR), 221 CHAN5G(56, 5280, IEEE80211_CHAN_RADAR), 222 CHAN5G(60, 5300, IEEE80211_CHAN_RADAR), 223 CHAN5G(64, 5320, IEEE80211_CHAN_RADAR), 224 // CHAN5G(100, 5500, 0), 225 // CHAN5G(104, 5520, 0), 226 // CHAN5G(108, 5540, 0), 227 // CHAN5G(112, 5560, 0), 228 // CHAN5G(116, 5580, 0), 229 // CHAN5G(120, 5600, 0), 230 // CHAN5G(124, 5620, 0), 231 // CHAN5G(128, 5640, 0), 232 // CHAN5G(132, 5660, 0), 233 // CHAN5G(136, 5680, 0), 234 // CHAN5G(140, 5700, 0), 235 // CHAN5G(144, 5720, 0), 236 // CHAN5G(149, 5745, 0), 237 // CHAN5G(153, 5765, 0), 238 // CHAN5G(157, 5785, 0), 239 // CHAN5G(161, 5805, 0), 240 // CHAN5G(165, 5825, 0), 241 // CHAN5G(169, 5845, 0), 242 }; 243 244 static const struct ieee80211_iface_limit openwifi_if_limits[] = { 245 { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) }, 246 { .max = 4, .types = 247 #ifdef CONFIG_MAC80211_MESH 248 BIT(NL80211_IFTYPE_MESH_POINT) | 249 #endif 250 BIT(NL80211_IFTYPE_AP) }, 251 }; 252 253 static const struct ieee80211_iface_combination openwifi_if_comb = { 254 .limits = openwifi_if_limits, 255 .n_limits = ARRAY_SIZE(openwifi_if_limits), 256 .max_interfaces = 2048, 257 .num_different_channels = 1, 258 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 259 BIT(NL80211_CHAN_WIDTH_20) | 260 BIT(NL80211_CHAN_WIDTH_40) | 261 BIT(NL80211_CHAN_WIDTH_80), 262 }; 263 264 static const u8 wifi_rate_table_mapping[24] = { 0, 0, 0, 0, 0, 0, 0, 0, 10, 8, 6, 4, 11, 9, 7, 5, 0, 1, 2, 3, 4, 5, 6, 7}; 265 static const u16 wifi_rate_table[24] = { 0, 0, 0, 0, 0, 0, 0, 0, 480, 240, 120, 60, 540, 360, 180, 90, 65, 130, 195, 260, 390, 520, 585, 650}; 266 static const u16 wifi_rate_all[20] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540, 65, 130, 195, 260, 390, 520, 585, 650}; 267 static const u8 wifi_mcs_table_11b_force_up[16] = {11, 11, 11, 11, 11, 15, 10, 14, 9, 13, 8, 12, 0, 0, 0, 0}; 268 static const u16 wifi_n_dbps_table[16] = {24, 24, 24, 24, 24, 36, 48, 72, 96, 144, 192, 216, 0, 0, 0, 0}; 269 static const u16 wifi_n_dbps_ht_table[16] = {26, 26, 26, 26, 26, 52, 78, 104, 156, 208, 234, 260, 0, 0, 0, 0}; 270 // static const u8 wifi_mcs_table[8] = {6,9,12,18,24,36,48,54}; 271 // static const u8 wifi_mcs_table_phy_tx[8] = {11,15,10,14,9,13,8,12}; 272 273 // ===== copy from adi-linux/drivers/iio/frequency/cf_axi_dds.c ===== 274 struct cf_axi_dds_state { 275 struct device *dev_spi; 276 struct clk *clk; 277 struct cf_axi_dds_chip_info *chip_info; 278 struct gpio_desc *plddrbypass_gpio; 279 struct gpio_desc *interpolation_gpio; 280 281 bool standalone; 282 bool dp_disable; 283 bool enable; 284 bool pl_dma_fifo_en; 285 enum fifo_ctrl gpio_dma_fifo_ctrl; 286 287 struct iio_info iio_info; 288 size_t regs_size; 289 void __iomem *regs; 290 void __iomem *slave_regs; 291 void __iomem *master_regs; 292 u64 dac_clk; 293 unsigned int ddr_dds_interp_en; 294 unsigned int cached_freq[16]; 295 unsigned int version; 296 unsigned int have_slave_channels; 297 unsigned int interpolation_factor; 298 struct notifier_block clk_nb; 299 }; 300 // ===== end of copy from adi-linux/drivers/iio/frequency/cf_axi_dds.c ===== 301 302 #define RX_DMA_CYCLIC_MODE 303 struct openwifi_priv { 304 struct platform_device *pdev; 305 struct ieee80211_vif *vif[MAX_NUM_VIF]; 306 307 const struct openwifi_rf_ops *rf; 308 309 struct cf_axi_dds_state *dds_st; //axi_ad9361 hdl ref design module, dac channel 310 struct axiadc_state *adc_st; //axi_ad9361 hdl ref design module, adc channel 311 struct ad9361_rf_phy *ad9361_phy; //ad9361 chip 312 struct ctrl_outs_control ctrl_out; 313 314 int rx_freq_offset_to_lo_MHz; 315 int tx_freq_offset_to_lo_MHz; 316 u32 rf_bw; 317 u32 actual_rx_lo; 318 319 struct ieee80211_rate rates_2GHz[12]; 320 struct ieee80211_rate rates_5GHz[12]; 321 struct ieee80211_channel channels_2GHz[14]; 322 struct ieee80211_channel channels_5GHz[11]; 323 struct ieee80211_supported_band band_2GHz; 324 struct ieee80211_supported_band band_5GHz; 325 bool rfkill_off; 326 327 int rssi_correction; // dynamic RSSI correction according to current channel in _rf_set_channel() 328 329 enum rx_intf_mode rx_intf_cfg; 330 enum tx_intf_mode tx_intf_cfg; 331 enum openofdm_rx_mode openofdm_rx_cfg; 332 enum openofdm_tx_mode openofdm_tx_cfg; 333 enum xpu_mode xpu_cfg; 334 335 int irq_rx; 336 int irq_tx; 337 338 // u32 call_counter; 339 u8 *rx_cyclic_buf; 340 dma_addr_t rx_cyclic_buf_dma_mapping_addr; 341 struct dma_chan *rx_chan; 342 struct dma_async_tx_descriptor *rxd; 343 dma_cookie_t rx_cookie; 344 345 struct openwifi_ring tx_ring[MAX_NUM_SW_QUEUE]; 346 struct scatterlist tx_sg; 347 struct dma_chan *tx_chan; 348 struct dma_async_tx_descriptor *txd; 349 dma_cookie_t tx_cookie; 350 // struct completion tx_dma_complete; 351 // bool openwifi_tx_first_time_run; 352 353 // int phy_tx_sn; 354 u32 slice_idx; 355 u32 dest_mac_addr_queue_map[MAX_NUM_HW_QUEUE]; 356 u8 mac_addr[ETH_ALEN]; 357 u16 seqno; 358 359 bool use_short_slot; 360 u8 band; 361 u16 channel; 362 363 u32 drv_rx_reg_val[MAX_NUM_DRV_REG]; 364 u32 drv_tx_reg_val[MAX_NUM_DRV_REG]; 365 u32 drv_xpu_reg_val[MAX_NUM_DRV_REG]; 366 // u8 num_led; 367 // struct led_classdev *led[MAX_NUM_LED];//zc706 has 4 user leds. please find openwifi_dev_probe to see how we get them. 368 // char led_name[MAX_NUM_LED][OPENWIFI_LED_MAX_NAME_LEN]; 369 370 spinlock_t lock; 371 }; 372 373 #endif /* OPENWIFI_SDR */ 374