fdtvar.h revision 1.4.2.2
1 /* $NetBSD: fdtvar.h,v 1.4.2.2 2015/12/27 12:09:49 skrll 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 35 #include <dev/i2c/i2cvar.h> 36 #include <dev/clk/clk.h> 37 38 #include <dev/ofw/openfirm.h> 39 40 struct fdt_attach_args { 41 const char *faa_name; 42 bus_space_tag_t faa_bst; 43 bus_space_tag_t faa_a4x_bst; 44 bus_dma_tag_t faa_dmat; 45 int faa_phandle; 46 47 const char **faa_init; 48 int faa_ninit; 49 }; 50 51 /* flags for fdtbus_intr_establish */ 52 #define FDT_INTR_MPSAFE __BIT(0) 53 54 struct fdtbus_interrupt_controller_func { 55 void * (*establish)(device_t, int, u_int, int, int, 56 int (*)(void *), void *); 57 void (*disestablish)(device_t, void *); 58 bool (*intrstr)(device_t, int, u_int, char *, size_t); 59 }; 60 61 struct fdtbus_i2c_controller_func { 62 i2c_tag_t (*get_tag)(device_t); 63 }; 64 65 struct fdtbus_gpio_controller; 66 67 struct fdtbus_gpio_pin { 68 struct fdtbus_gpio_controller *gp_gc; 69 void *gp_priv; 70 }; 71 72 struct fdtbus_gpio_controller_func { 73 void * (*acquire)(device_t, const void *, size_t, int); 74 void (*release)(device_t, void *); 75 int (*read)(device_t, void *, bool); 76 void (*write)(device_t, void *, int, bool); 77 }; 78 79 struct fdtbus_regulator_controller; 80 81 struct fdtbus_regulator { 82 struct fdtbus_regulator_controller *reg_rc; 83 }; 84 85 struct fdtbus_regulator_controller_func { 86 int (*acquire)(device_t); 87 void (*release)(device_t); 88 int (*enable)(device_t, bool); 89 }; 90 91 struct fdtbus_clock_controller_func { 92 struct clk * (*decode)(device_t, const void *, size_t); 93 }; 94 95 struct fdtbus_reset_controller; 96 97 struct fdtbus_reset { 98 struct fdtbus_reset_controller *rst_rc; 99 void *rst_priv; 100 }; 101 102 struct fdtbus_reset_controller_func { 103 void * (*acquire)(device_t, const void *, size_t); 104 void (*release)(device_t, void *); 105 int (*reset_assert)(device_t, void *); 106 int (*reset_deassert)(device_t, void *); 107 }; 108 109 int fdtbus_register_interrupt_controller(device_t, int, 110 const struct fdtbus_interrupt_controller_func *); 111 int fdtbus_register_i2c_controller(device_t, int, 112 const struct fdtbus_i2c_controller_func *); 113 int fdtbus_register_gpio_controller(device_t, int, 114 const struct fdtbus_gpio_controller_func *); 115 int fdtbus_register_regulator_controller(device_t, int, 116 const struct fdtbus_regulator_controller_func *); 117 int fdtbus_register_clock_controller(device_t, int, 118 const struct fdtbus_clock_controller_func *); 119 int fdtbus_register_reset_controller(device_t, int, 120 const struct fdtbus_reset_controller_func *); 121 122 int fdtbus_get_reg(int, u_int, bus_addr_t *, bus_size_t *); 123 int fdtbus_get_phandle(int, const char *); 124 int fdtbus_get_phandle_from_native(int); 125 i2c_tag_t fdtbus_get_i2c_tag(int); 126 void * fdtbus_intr_establish(int, u_int, int, int, 127 int (*func)(void *), void *arg); 128 void fdtbus_intr_disestablish(int, void *); 129 bool fdtbus_intr_str(int, u_int, char *, size_t); 130 struct fdtbus_gpio_pin *fdtbus_gpio_acquire(int, const char *, int); 131 void fdtbus_gpio_release(struct fdtbus_gpio_pin *); 132 int fdtbus_gpio_read(struct fdtbus_gpio_pin *); 133 void fdtbus_gpio_write(struct fdtbus_gpio_pin *, int); 134 int fdtbus_gpio_read_raw(struct fdtbus_gpio_pin *); 135 void fdtbus_gpio_write_raw(struct fdtbus_gpio_pin *, int); 136 struct fdtbus_regulator *fdtbus_regulator_acquire(int, const char *); 137 void fdtbus_regulator_release(struct fdtbus_regulator *); 138 int fdtbus_regulator_enable(struct fdtbus_regulator *); 139 int fdtbus_regulator_disable(struct fdtbus_regulator *); 140 141 struct clk * fdtbus_clock_get(int, const char *); 142 struct clk * fdtbus_clock_get_index(int, u_int); 143 144 struct fdtbus_reset *fdtbus_reset_get(int, const char *); 145 struct fdtbus_reset *fdtbus_reset_get_index(int, u_int); 146 void fdtbus_reset_put(struct fdtbus_reset *); 147 int fdtbus_reset_assert(struct fdtbus_reset *); 148 int fdtbus_reset_deassert(struct fdtbus_reset *); 149 150 bool fdtbus_set_data(const void *); 151 const void * fdtbus_get_data(void); 152 int fdtbus_phandle2offset(int); 153 int fdtbus_offset2phandle(int); 154 155 #endif /* _DEV_FDT_FDTVAR_H */ 156
Indexes created Mon Oct 20 20:10:13 GMT 2025