fdtvar.h revision 1.70.12.1
1 /* $NetBSD: fdtvar.h,v 1.70.12.1 2021/08/09 00:30:09 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _DEV_FDT_FDTVAR_H_ 30 #define _DEV_FDT_FDTVAR_H_ 31 32 #include <sys/types.h> 33 #include <sys/bus.h> 34 #include <sys/gpio.h> 35 #include <sys/termios.h> 36 37 #include <dev/i2c/i2cvar.h> 38 #include <dev/spi/spivar.h> 39 #include <dev/pwm/pwmvar.h> 40 #include <dev/clk/clk.h> 41 42 #ifdef _KERNEL_OPT 43 #include "audio.h" 44 #endif 45 #if NAUDIO > 0 46 #include <dev/audio/audio_dai.h> 47 #else 48 typedef void *audio_dai_tag_t; 49 #endif 50 51 #include <dev/clock_subr.h> 52 53 #include <dev/ofw/openfirm.h> 54 55 struct fdt_attach_args { 56 const char *faa_name; 57 bus_space_tag_t faa_bst; 58 bus_dma_tag_t faa_dmat; 59 int faa_phandle; 60 int faa_quiet; 61 }; 62 63 /* flags for fdtbus_intr_establish */ 64 #define FDT_INTR_MPSAFE __BIT(0) 65 66 /* Interrupt trigger types defined by the FDT "interrupts" bindings. */ 67 #define FDT_INTR_TYPE_POS_EDGE __BIT(0) 68 #define FDT_INTR_TYPE_NEG_EDGE __BIT(1) 69 #define FDT_INTR_TYPE_DOUBLE_EDGE (FDT_INTR_TYPE_POS_EDGE | \ 70 FDT_INTR_TYPE_NEG_EDGE) 71 #define FDT_INTR_TYPE_HIGH_LEVEL __BIT(2) 72 #define FDT_INTR_TYPE_LOW_LEVEL __BIT(3) 73 74 struct fdtbus_interrupt_controller_func { 75 void * (*establish)(device_t, u_int *, int, int, 76 int (*)(void *), void *, const char *); 77 void (*disestablish)(device_t, void *); 78 bool (*intrstr)(device_t, u_int *, char *, size_t); 79 void (*mask)(device_t, void *); 80 void (*unmask)(device_t, void *); 81 }; 82 83 struct fdtbus_gpio_controller; 84 85 struct fdtbus_gpio_pin { 86 struct fdtbus_gpio_controller *gp_gc; 87 void *gp_priv; 88 }; 89 90 struct fdtbus_gpio_controller_func { 91 void * (*acquire)(device_t, const void *, size_t, int); 92 void (*release)(device_t, void *); 93 int (*read)(device_t, void *, bool); 94 void (*write)(device_t, void *, int, bool); 95 }; 96 97 struct fdtbus_pinctrl_controller; 98 99 struct fdtbus_pinctrl_pin { 100 struct fdtbus_pinctrl_controller *pp_pc; 101 void *pp_priv; 102 }; 103 104 struct fdtbus_pinctrl_controller_func { 105 int (*set_config)(device_t, const void *, size_t); 106 }; 107 108 struct fdtbus_regulator_controller; 109 110 struct fdtbus_regulator { 111 struct fdtbus_regulator_controller *reg_rc; 112 }; 113 114 struct fdtbus_regulator_controller_func { 115 int (*acquire)(device_t); 116 void (*release)(device_t); 117 int (*enable)(device_t, bool); 118 int (*set_voltage)(device_t, u_int, u_int); 119 int (*get_voltage)(device_t, u_int *); 120 }; 121 122 struct fdtbus_clock_controller_func { 123 struct clk * (*decode)(device_t, int, const void *, size_t); 124 }; 125 126 struct fdtbus_reset_controller; 127 128 struct fdtbus_reset { 129 struct fdtbus_reset_controller *rst_rc; 130 void *rst_priv; 131 }; 132 133 struct fdtbus_reset_controller_func { 134 void * (*acquire)(device_t, const void *, size_t); 135 void (*release)(device_t, void *); 136 int (*reset_assert)(device_t, void *); 137 int (*reset_deassert)(device_t, void *); 138 }; 139 140 struct fdtbus_dai_controller_func { 141 audio_dai_tag_t (*get_tag)(device_t, const void *, size_t); 142 }; 143 144 struct fdtbus_dma_controller; 145 146 struct fdtbus_dma { 147 struct fdtbus_dma_controller *dma_dc; 148 void *dma_priv; 149 }; 150 151 enum fdtbus_dma_dir { 152 FDT_DMA_READ, /* device -> memory */ 153 FDT_DMA_WRITE /* memory -> device */ 154 }; 155 156 struct fdtbus_dma_opt { 157 int opt_bus_width; /* Bus width */ 158 int opt_burst_len; /* Burst length */ 159 int opt_swap; /* Enable data swapping */ 160 int opt_dblbuf; /* Enable double buffering */ 161 int opt_wrap_len; /* Address wrap-around window */ 162 }; 163 164 struct fdtbus_dma_req { 165 bus_dma_segment_t *dreq_segs; /* Memory */ 166 int dreq_nsegs; 167 168 bus_addr_t dreq_dev_phys; /* Device */ 169 int dreq_sel; /* Device selector */ 170 171 enum fdtbus_dma_dir dreq_dir; /* Transfer direction */ 172 173 int dreq_block_irq; /* Enable IRQ at end of block */ 174 int dreq_block_multi; /* Enable multiple block transfers */ 175 int dreq_flow; /* Enable flow control */ 176 177 struct fdtbus_dma_opt dreq_mem_opt; /* Memory options */ 178 struct fdtbus_dma_opt dreq_dev_opt; /* Device options */ 179 }; 180 181 struct fdtbus_dma_controller_func { 182 void * (*acquire)(device_t, const void *, size_t, 183 void (*)(void *), void *); 184 void (*release)(device_t, void *); 185 int (*transfer)(device_t, void *, struct fdtbus_dma_req *); 186 void (*halt)(device_t, void *); 187 }; 188 189 struct fdtbus_power_controller; 190 191 struct fdtbus_power_controller_func { 192 void (*reset)(device_t); 193 void (*poweroff)(device_t); 194 }; 195 196 struct fdtbus_phy_controller; 197 198 struct fdtbus_phy { 199 struct fdtbus_phy_controller *phy_pc; 200 void *phy_priv; 201 }; 202 203 struct fdtbus_phy_controller_func { 204 void * (*acquire)(device_t, const void *, size_t); 205 void (*release)(device_t, void *); 206 int (*enable)(device_t, void *, bool); 207 }; 208 209 struct fdtbus_pwm_controller_func { 210 pwm_tag_t (*get_tag)(device_t, const void *, size_t); 211 }; 212 213 struct fdtbus_mmc_pwrseq; 214 215 struct fdtbus_mmc_pwrseq_func { 216 void (*pre_power_on)(device_t); 217 void (*post_power_on)(device_t); 218 void (*power_off)(device_t); 219 void (*reset)(device_t); 220 }; 221 222 struct syscon; 223 224 struct fdt_console { 225 int (*match)(int); 226 void (*consinit)(struct fdt_attach_args *, u_int); 227 }; 228 229 struct fdt_console_info { 230 const struct fdt_console *ops; 231 }; 232 233 struct fdt_phandle_data { 234 int phandle; 235 int count; 236 const u_int *values; 237 }; 238 239 #define _FDT_CONSOLE_REGISTER(name) \ 240 __link_set_add_rodata(fdt_consoles, __CONCAT(name,_consinfo)); 241 242 #define FDT_CONSOLE(_name, _ops) \ 243 static const struct fdt_console_info __CONCAT(_name,_consinfo) = { \ 244 .ops = (_ops) \ 245 }; \ 246 _FDT_CONSOLE_REGISTER(_name) 247 248 struct fdt_opp_info { 249 const char * opp_compat; 250 bool (*opp_supported)(const int, const int); 251 }; 252 253 #define _FDT_OPP_REGISTER(name) \ 254 __link_set_add_rodata(fdt_opps, __CONCAT(name,_oppinfo)); 255 256 #define FDT_OPP(_name, _compat, _suppfn) \ 257 static const struct fdt_opp_info __CONCAT(_name,_oppinfo) = { \ 258 .opp_compat = (_compat), \ 259 .opp_supported = (_suppfn) \ 260 }; \ 261 _FDT_OPP_REGISTER(_name) 262 263 TAILQ_HEAD(fdt_conslist, fdt_console_info); 264 265 struct fdt_dma_range { 266 paddr_t dr_sysbase; 267 bus_addr_t dr_busbase; 268 bus_size_t dr_len; 269 }; 270 271 int fdtbus_register_interrupt_controller(device_t, int, 272 const struct fdtbus_interrupt_controller_func *); 273 int fdtbus_register_i2c_controller(i2c_tag_t, int); 274 int fdtbus_register_spi_controller(struct spi_controller *, int); 275 int fdtbus_register_gpio_controller(device_t, int, 276 const struct fdtbus_gpio_controller_func *); 277 int fdtbus_register_pinctrl_config(device_t, int, 278 const struct fdtbus_pinctrl_controller_func *); 279 int fdtbus_register_regulator_controller(device_t, int, 280 const struct fdtbus_regulator_controller_func *); 281 int fdtbus_register_clock_controller(device_t, int, 282 const struct fdtbus_clock_controller_func *); 283 int fdtbus_register_reset_controller(device_t, int, 284 const struct fdtbus_reset_controller_func *); 285 int fdtbus_register_dai_controller(device_t, int, 286 const struct fdtbus_dai_controller_func *); 287 int fdtbus_register_dma_controller(device_t, int, 288 const struct fdtbus_dma_controller_func *); 289 int fdtbus_register_power_controller(device_t, int, 290 const struct fdtbus_power_controller_func *); 291 int fdtbus_register_phy_controller(device_t, int, 292 const struct fdtbus_phy_controller_func *); 293 int fdtbus_register_pwm_controller(device_t, int, 294 const struct fdtbus_pwm_controller_func *); 295 int fdtbus_register_mmc_pwrseq(device_t, int, 296 const struct fdtbus_mmc_pwrseq_func *); 297 int fdtbus_register_syscon(device_t, int, struct syscon *); 298 299 void fdtbus_set_decoderegprop(bool); 300 301 int fdtbus_get_reg(int, u_int, bus_addr_t *, bus_size_t *); 302 int fdtbus_get_reg_byname(int, const char *, bus_addr_t *, 303 bus_size_t *); 304 int fdtbus_get_reg64(int, u_int, uint64_t *, uint64_t *); 305 int fdtbus_get_addr_cells(int); 306 int fdtbus_get_size_cells(int); 307 uint64_t fdtbus_get_cells(const uint8_t *, int); 308 int fdtbus_get_phandle(int, const char *); 309 int fdtbus_get_phandle_with_data(int, const char *, const char *, 310 int, struct fdt_phandle_data *); 311 int fdtbus_get_phandle_from_native(int); 312 i2c_tag_t fdtbus_get_i2c_tag(int); 313 i2c_tag_t fdtbus_i2c_acquire(int, const char *); 314 void * fdtbus_intr_establish(int, u_int, int, int, 315 int (*func)(void *), void *arg); 316 void * fdtbus_intr_establish_xname(int, u_int, int, int, 317 int (*func)(void *), void *arg, const char *); 318 void * fdtbus_intr_establish_byname(int, const char *, int, int, 319 int (*func)(void *), void *arg, const char *); 320 void * fdtbus_intr_establish_raw(int, const u_int *, int, int, 321 int (*func)(void *), void *arg, const char *); 322 void fdtbus_intr_mask(int, void *); 323 void fdtbus_intr_unmask(int, void *); 324 void fdtbus_intr_disestablish(int, void *); 325 bool fdtbus_intr_str(int, u_int, char *, size_t); 326 bool fdtbus_intr_str_raw(int, const u_int *, char *, size_t); 327 int fdtbus_gpio_count(int, const char *); 328 struct fdtbus_gpio_pin *fdtbus_gpio_acquire(int, const char *, int); 329 struct fdtbus_gpio_pin *fdtbus_gpio_acquire_index(int, const char *, int, int); 330 void fdtbus_gpio_release(struct fdtbus_gpio_pin *); 331 int fdtbus_gpio_read(struct fdtbus_gpio_pin *); 332 void fdtbus_gpio_write(struct fdtbus_gpio_pin *, int); 333 int fdtbus_gpio_read_raw(struct fdtbus_gpio_pin *); 334 void fdtbus_gpio_write_raw(struct fdtbus_gpio_pin *, int); 335 audio_dai_tag_t fdtbus_dai_acquire(int, const char *); 336 audio_dai_tag_t fdtbus_dai_acquire_index(int, const char *, int); 337 pwm_tag_t fdtbus_pwm_acquire(int, const char *); 338 pwm_tag_t fdtbus_pwm_acquire_index(int, const char *, int); 339 int fdtbus_pinctrl_set_config_index(int, u_int); 340 int fdtbus_pinctrl_set_config(int, const char *); 341 bool fdtbus_pinctrl_has_config(int, const char *); 342 const char * fdtbus_pinctrl_parse_function(int); 343 const void * fdtbus_pinctrl_parse_pins(int, int *); 344 const char * fdtbus_pinctrl_parse_groups(int, int *); 345 const u_int * fdtbus_pinctrl_parse_pinmux(int, int *); 346 int fdtbus_pinctrl_parse_bias(int, int *); 347 int fdtbus_pinctrl_parse_drive(int); 348 int fdtbus_pinctrl_parse_drive_strength(int); 349 int fdtbus_pinctrl_parse_input_output(int, int *); 350 struct fdtbus_regulator *fdtbus_regulator_acquire(int, const char *); 351 void fdtbus_regulator_release(struct fdtbus_regulator *); 352 int fdtbus_regulator_enable(struct fdtbus_regulator *); 353 int fdtbus_regulator_disable(struct fdtbus_regulator *); 354 int fdtbus_regulator_set_voltage(struct fdtbus_regulator *, 355 u_int, u_int); 356 int fdtbus_regulator_get_voltage(struct fdtbus_regulator *, 357 u_int *); 358 int fdtbus_regulator_supports_voltage(struct fdtbus_regulator *, 359 u_int, u_int); 360 struct syscon * fdtbus_syscon_acquire(int, const char *); 361 struct syscon * fdtbus_syscon_lookup(int); 362 363 struct fdtbus_dma *fdtbus_dma_get(int, const char *, void (*)(void *), void *); 364 struct fdtbus_dma *fdtbus_dma_get_index(int, u_int, void (*)(void *), 365 void *); 366 void fdtbus_dma_put(struct fdtbus_dma *); 367 int fdtbus_dma_transfer(struct fdtbus_dma *, 368 struct fdtbus_dma_req *); 369 void fdtbus_dma_halt(struct fdtbus_dma *); 370 371 struct clk * fdtbus_clock_get(int, const char *); 372 struct clk * fdtbus_clock_get_index(int, u_int); 373 struct clk * fdtbus_clock_byname(const char *); 374 void fdtbus_clock_assign(int); 375 u_int fdtbus_clock_count(int, const char *); 376 int fdtbus_clock_enable(int, const char *, bool); 377 int fdtbus_clock_enable_index(int, u_int, bool); 378 379 struct fdtbus_reset *fdtbus_reset_get(int, const char *); 380 struct fdtbus_reset *fdtbus_reset_get_index(int, u_int); 381 void fdtbus_reset_put(struct fdtbus_reset *); 382 int fdtbus_reset_assert(struct fdtbus_reset *); 383 int fdtbus_reset_deassert(struct fdtbus_reset *); 384 385 struct fdtbus_phy *fdtbus_phy_get(int, const char *); 386 struct fdtbus_phy *fdtbus_phy_get_index(int, u_int); 387 void fdtbus_phy_put(struct fdtbus_phy *); 388 device_t fdtbus_phy_device(struct fdtbus_phy *); 389 int fdtbus_phy_enable(struct fdtbus_phy *, bool); 390 391 struct fdtbus_mmc_pwrseq *fdtbus_mmc_pwrseq_get(int); 392 void fdtbus_mmc_pwrseq_pre_power_on(struct fdtbus_mmc_pwrseq *); 393 void fdtbus_mmc_pwrseq_post_power_on(struct fdtbus_mmc_pwrseq *); 394 void fdtbus_mmc_pwrseq_power_off(struct fdtbus_mmc_pwrseq *); 395 void fdtbus_mmc_pwrseq_reset(struct fdtbus_mmc_pwrseq *); 396 397 int fdtbus_todr_attach(device_t, int, todr_chip_handle_t); 398 399 void fdtbus_power_reset(void); 400 void fdtbus_power_poweroff(void); 401 402 bool fdtbus_init(const void *); 403 const void * fdtbus_get_data(void); 404 int fdtbus_phandle2offset(int); 405 int fdtbus_offset2phandle(int); 406 bool fdtbus_get_path(int, char *, size_t); 407 408 const struct fdt_console *fdtbus_get_console(void); 409 410 const char * fdtbus_get_stdout_path(void); 411 int fdtbus_get_stdout_phandle(void); 412 int fdtbus_get_stdout_speed(void); 413 tcflag_t fdtbus_get_stdout_flags(void); 414 415 bool fdtbus_status_okay(int); 416 417 const void * fdtbus_get_prop(int, const char *, int *); 418 const char * fdtbus_get_string(int, const char *); 419 const char * fdtbus_get_string_index(int, const char *, u_int); 420 int fdtbus_get_index(int, const char *, const char *, u_int *); 421 422 void fdt_add_bus(device_t, int, struct fdt_attach_args *); 423 void fdt_add_bus_match(device_t, int, struct fdt_attach_args *, 424 bool (*)(void *, int), void *); 425 void fdt_add_child(device_t, int, struct fdt_attach_args *, u_int); 426 427 void fdt_remove_byhandle(int); 428 void fdt_remove_bycompat(const char *[]); 429 int fdt_find_with_property(const char *, int *); 430 431 int fdtbus_print(void *, const char *); 432 433 bus_dma_tag_t fdtbus_dma_tag_create(int, const struct fdt_dma_range *, 434 u_int); 435 436 #endif /* _DEV_FDT_FDTVAR_H_ */ 437
Indexes created Sun Oct 12 02:09:55 GMT 2025