gemini_gpio.c revision 1.2.2.2
1 1.2.2.2 mjf /* $NetBSD: gemini_gpio.c,v 1.2.2.2 2009/01/17 13:27:52 mjf Exp $ */ 2 1.2.2.2 mjf 3 1.2.2.2 mjf /* adapted from 4 1.2.2.2 mjf * $NetBSD: omap2_gpio.c,v 1.6 2008/11/19 06:26:27 matt Exp 5 1.2.2.2 mjf */ 6 1.2.2.2 mjf 7 1.2.2.2 mjf /*- 8 1.2.2.2 mjf * Copyright (c) 2007 The NetBSD Foundation, Inc. 9 1.2.2.2 mjf * All rights reserved. 10 1.2.2.2 mjf * 11 1.2.2.2 mjf * This code is derived from software contributed to The NetBSD Foundation 12 1.2.2.2 mjf * by Matt Thomas 13 1.2.2.2 mjf * 14 1.2.2.2 mjf * Redistribution and use in source and binary forms, with or without 15 1.2.2.2 mjf * modification, are permitted provided that the following conditions 16 1.2.2.2 mjf * are met: 17 1.2.2.2 mjf * 1. Redistributions of source code must retain the above copyright 18 1.2.2.2 mjf * notice, this list of conditions and the following disclaimer. 19 1.2.2.2 mjf * 2. Redistributions in binary form must reproduce the above copyright 20 1.2.2.2 mjf * notice, this list of conditions and the following disclaimer in the 21 1.2.2.2 mjf * documentation and/or other materials provided with the distribution. 22 1.2.2.2 mjf * 23 1.2.2.2 mjf * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 1.2.2.2 mjf * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 1.2.2.2 mjf * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 1.2.2.2 mjf * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 1.2.2.2 mjf * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 1.2.2.2 mjf * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 1.2.2.2 mjf * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 1.2.2.2 mjf * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 1.2.2.2 mjf * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 1.2.2.2 mjf * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 1.2.2.2 mjf * POSSIBILITY OF SUCH DAMAGE. 34 1.2.2.2 mjf */ 35 1.2.2.2 mjf #include <sys/cdefs.h> 36 1.2.2.2 mjf __KERNEL_RCSID(0, "$NetBSD: gemini_gpio.c,v 1.2.2.2 2009/01/17 13:27:52 mjf Exp $"); 37 1.2.2.2 mjf 38 1.2.2.2 mjf #define _INTR_PRIVATE 39 1.2.2.2 mjf 40 1.2.2.2 mjf #include "locators.h" 41 1.2.2.2 mjf #include "gpio.h" 42 1.2.2.2 mjf #include "geminigmac.h" 43 1.2.2.2 mjf #include "opt_gemini.h" 44 1.2.2.2 mjf 45 1.2.2.2 mjf #include <sys/param.h> 46 1.2.2.2 mjf #include <sys/evcnt.h> 47 1.2.2.2 mjf #include <sys/atomic.h> 48 1.2.2.2 mjf 49 1.2.2.2 mjf #include <uvm/uvm_extern.h> 50 1.2.2.2 mjf 51 1.2.2.2 mjf #include <machine/intr.h> 52 1.2.2.2 mjf 53 1.2.2.2 mjf #include <arm/cpu.h> 54 1.2.2.2 mjf #include <arm/armreg.h> 55 1.2.2.2 mjf #include <arm/cpufunc.h> 56 1.2.2.2 mjf 57 1.2.2.2 mjf #include <machine/bus.h> 58 1.2.2.2 mjf 59 1.2.2.2 mjf #include <arm/gemini/gemini_reg.h> 60 1.2.2.2 mjf #include <arm/gemini/gemini_obiovar.h> 61 1.2.2.2 mjf #include <arm/gemini/gemini_gpiovar.h> 62 1.2.2.2 mjf #include <arm/pic/picvar.h> 63 1.2.2.2 mjf 64 1.2.2.2 mjf #if NGPIO > 0 65 1.2.2.2 mjf #include <sys/gpio.h> 66 1.2.2.2 mjf #include <dev/gpio/gpiovar.h> 67 1.2.2.2 mjf #endif 68 1.2.2.2 mjf 69 1.2.2.2 mjf static void gpio_pic_block_irqs(struct pic_softc *, size_t, uint32_t); 70 1.2.2.2 mjf static void gpio_pic_unblock_irqs(struct pic_softc *, size_t, uint32_t); 71 1.2.2.2 mjf static int gpio_pic_find_pending_irqs(struct pic_softc *); 72 1.2.2.2 mjf static void gpio_pic_establish_irq(struct pic_softc *, struct intrsource *); 73 1.2.2.2 mjf 74 1.2.2.2 mjf const struct pic_ops gpio_pic_ops = { 75 1.2.2.2 mjf .pic_block_irqs = gpio_pic_block_irqs, 76 1.2.2.2 mjf .pic_unblock_irqs = gpio_pic_unblock_irqs, 77 1.2.2.2 mjf .pic_find_pending_irqs = gpio_pic_find_pending_irqs, 78 1.2.2.2 mjf .pic_establish_irq = gpio_pic_establish_irq, 79 1.2.2.2 mjf }; 80 1.2.2.2 mjf 81 1.2.2.2 mjf struct gpio_softc { 82 1.2.2.2 mjf device_t gpio_dev; 83 1.2.2.2 mjf struct pic_softc gpio_pic; 84 1.2.2.2 mjf struct intrsource *gpio_is; 85 1.2.2.2 mjf bus_space_tag_t gpio_memt; 86 1.2.2.2 mjf bus_space_handle_t gpio_memh; 87 1.2.2.2 mjf uint32_t gpio_enable_mask; 88 1.2.2.2 mjf uint32_t gpio_edge_mask; 89 1.2.2.2 mjf uint32_t gpio_edge_falling_mask; 90 1.2.2.2 mjf uint32_t gpio_edge_rising_mask; 91 1.2.2.2 mjf uint32_t gpio_level_mask; 92 1.2.2.2 mjf uint32_t gpio_level_hi_mask; 93 1.2.2.2 mjf uint32_t gpio_level_lo_mask; 94 1.2.2.2 mjf uint32_t gpio_inuse_mask; 95 1.2.2.2 mjf #if NGPIO > 0 96 1.2.2.2 mjf struct gpio_chipset_tag gpio_chipset; 97 1.2.2.2 mjf gpio_pin_t gpio_pins[32]; 98 1.2.2.2 mjf #endif 99 1.2.2.2 mjf }; 100 1.2.2.2 mjf 101 1.2.2.2 mjf #define PIC_TO_SOFTC(pic) \ 102 1.2.2.2 mjf ((struct gpio_softc *)((char *)(pic) - \ 103 1.2.2.2 mjf offsetof(struct gpio_softc, gpio_pic))) 104 1.2.2.2 mjf 105 1.2.2.2 mjf #define GPIO_READ(gpio, reg) \ 106 1.2.2.2 mjf bus_space_read_4((gpio)->gpio_memt, (gpio)->gpio_memh, (reg)) 107 1.2.2.2 mjf #define GPIO_WRITE(gpio, reg, val) \ 108 1.2.2.2 mjf bus_space_write_4((gpio)->gpio_memt, (gpio)->gpio_memh, (reg), (val)) 109 1.2.2.2 mjf 110 1.2.2.2 mjf void 111 1.2.2.2 mjf gpio_pic_unblock_irqs(struct pic_softc *pic, size_t irq_base, uint32_t irq_mask) 112 1.2.2.2 mjf { 113 1.2.2.2 mjf struct gpio_softc * const gpio = PIC_TO_SOFTC(pic); 114 1.2.2.2 mjf KASSERT(irq_base == 0); 115 1.2.2.2 mjf 116 1.2.2.2 mjf gpio->gpio_enable_mask |= irq_mask; 117 1.2.2.2 mjf /* 118 1.2.2.2 mjf * If this a level source, ack it now. If it's still asserted 119 1.2.2.2 mjf * it'll come back. 120 1.2.2.2 mjf */ 121 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRENB, gpio->gpio_enable_mask); 122 1.2.2.2 mjf if (irq_mask & gpio->gpio_level_mask) 123 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRCLR, 124 1.2.2.2 mjf irq_mask & gpio->gpio_level_mask); 125 1.2.2.2 mjf } 126 1.2.2.2 mjf 127 1.2.2.2 mjf void 128 1.2.2.2 mjf gpio_pic_block_irqs(struct pic_softc *pic, size_t irq_base, uint32_t irq_mask) 129 1.2.2.2 mjf { 130 1.2.2.2 mjf struct gpio_softc * const gpio = PIC_TO_SOFTC(pic); 131 1.2.2.2 mjf KASSERT(irq_base == 0); 132 1.2.2.2 mjf 133 1.2.2.2 mjf gpio->gpio_enable_mask &= ~irq_mask; 134 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRENB, ~irq_mask); 135 1.2.2.2 mjf /* 136 1.2.2.2 mjf * If any of the sources are edge triggered, ack them now so 137 1.2.2.2 mjf * we won't lose them. 138 1.2.2.2 mjf */ 139 1.2.2.2 mjf if (irq_mask & gpio->gpio_edge_mask) 140 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRCLR, 141 1.2.2.2 mjf irq_mask & gpio->gpio_edge_mask); 142 1.2.2.2 mjf } 143 1.2.2.2 mjf 144 1.2.2.2 mjf int 145 1.2.2.2 mjf gpio_pic_find_pending_irqs(struct pic_softc *pic) 146 1.2.2.2 mjf { 147 1.2.2.2 mjf struct gpio_softc * const gpio = PIC_TO_SOFTC(pic); 148 1.2.2.2 mjf uint32_t pending; 149 1.2.2.2 mjf 150 1.2.2.2 mjf pending = GPIO_READ(gpio, GEMINI_GPIO_INTRMSKSTATE); 151 1.2.2.2 mjf KASSERT((pending & ~gpio->gpio_enable_mask) == 0); 152 1.2.2.2 mjf if (pending == 0) 153 1.2.2.2 mjf return 0; 154 1.2.2.2 mjf 155 1.2.2.2 mjf /* 156 1.2.2.2 mjf * Now find all the pending bits and mark them as pending. 157 1.2.2.2 mjf */ 158 1.2.2.2 mjf (void) pic_mark_pending_sources(&gpio->gpio_pic, 0, pending); 159 1.2.2.2 mjf 160 1.2.2.2 mjf return 1; 161 1.2.2.2 mjf } 162 1.2.2.2 mjf 163 1.2.2.2 mjf void 164 1.2.2.2 mjf gpio_pic_establish_irq(struct pic_softc *pic, struct intrsource *is) 165 1.2.2.2 mjf { 166 1.2.2.2 mjf struct gpio_softc * const gpio = PIC_TO_SOFTC(pic); 167 1.2.2.2 mjf KASSERT(is->is_irq < 32); 168 1.2.2.2 mjf uint32_t irq_mask = __BIT(is->is_irq); 169 1.2.2.2 mjf uint32_t v; 170 1.2.2.2 mjf #if 0 171 1.2.2.2 mjf unsigned int i; 172 1.2.2.2 mjf struct intrsource *maybe_is; 173 1.2.2.2 mjf #endif 174 1.2.2.2 mjf 175 1.2.2.2 mjf /* 176 1.2.2.2 mjf * Make sure the irq isn't enabled and not asserting. 177 1.2.2.2 mjf */ 178 1.2.2.2 mjf gpio->gpio_enable_mask &= ~irq_mask; 179 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRENB, gpio->gpio_enable_mask); 180 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRCLR, irq_mask); 181 1.2.2.2 mjf 182 1.2.2.2 mjf /* 183 1.2.2.2 mjf * Convert the type to a gpio type and figure out which bits in what 184 1.2.2.2 mjf * register we have to tweak. 185 1.2.2.2 mjf */ 186 1.2.2.2 mjf gpio->gpio_edge_rising_mask &= ~irq_mask; 187 1.2.2.2 mjf gpio->gpio_edge_falling_mask &= ~irq_mask; 188 1.2.2.2 mjf gpio->gpio_level_hi_mask &= ~irq_mask; 189 1.2.2.2 mjf gpio->gpio_level_lo_mask &= ~irq_mask; 190 1.2.2.2 mjf switch (is->is_type) { 191 1.2.2.2 mjf case IST_LEVEL_LOW: gpio->gpio_level_lo_mask |= irq_mask; break; 192 1.2.2.2 mjf case IST_LEVEL_HIGH: gpio->gpio_level_hi_mask |= irq_mask; break; 193 1.2.2.2 mjf case IST_EDGE_FALLING: gpio->gpio_edge_falling_mask |= irq_mask; break; 194 1.2.2.2 mjf case IST_EDGE_RISING: gpio->gpio_edge_rising_mask |= irq_mask; break; 195 1.2.2.2 mjf case IST_EDGE_BOTH: 196 1.2.2.2 mjf gpio->gpio_edge_rising_mask |= irq_mask; 197 1.2.2.2 mjf gpio->gpio_edge_falling_mask |= irq_mask; 198 1.2.2.2 mjf break; 199 1.2.2.2 mjf default: 200 1.2.2.2 mjf panic("%s: unknown is_type %d\n", __FUNCTION__, is->is_type); 201 1.2.2.2 mjf } 202 1.2.2.2 mjf gpio->gpio_edge_mask = 203 1.2.2.2 mjf gpio->gpio_edge_rising_mask | gpio->gpio_edge_falling_mask; 204 1.2.2.2 mjf gpio->gpio_level_mask = 205 1.2.2.2 mjf gpio->gpio_level_hi_mask|gpio->gpio_level_lo_mask; 206 1.2.2.2 mjf gpio->gpio_inuse_mask |= irq_mask; 207 1.2.2.2 mjf 208 1.2.2.2 mjf /* 209 1.2.2.2 mjf * Set the interrupt type. 210 1.2.2.2 mjf */ 211 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRTRIG, gpio->gpio_level_mask); 212 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTREDGEBOTH, 213 1.2.2.2 mjf gpio->gpio_edge_rising_mask & gpio->gpio_edge_falling_mask); 214 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_INTRDIR, 215 1.2.2.2 mjf gpio->gpio_edge_falling_mask | gpio->gpio_level_lo_mask); 216 1.2.2.2 mjf 217 1.2.2.2 mjf /* 218 1.2.2.2 mjf * Mark it as input by clearning bit(s) in PINDIR reg 219 1.2.2.2 mjf */ 220 1.2.2.2 mjf v = GPIO_READ(gpio, GEMINI_GPIO_PINDIR); 221 1.2.2.2 mjf v &= ~irq_mask; 222 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_PINDIR, v); 223 1.2.2.2 mjf #if 0 224 1.2.2.2 mjf for (i = 0, maybe_is = NULL; i < 32; i++) { 225 1.2.2.2 mjf if ((is = pic->pic_sources[i]) != NULL) { 226 1.2.2.2 mjf if (maybe_is == NULL || is->is_ipl > maybe_is->is_ipl) 227 1.2.2.2 mjf maybe_is = is; 228 1.2.2.2 mjf } 229 1.2.2.2 mjf } 230 1.2.2.2 mjf if (maybe_is != NULL) { 231 1.2.2.2 mjf is = gpio->gpio_is; 232 1.2.2.2 mjf KASSERT(is != NULL); 233 1.2.2.2 mjf is->is_ipl = maybe_is->is_ipl; 234 1.2.2.2 mjf (*is->is_pic->pic_ops->pic_establish_irq)(is->is_pic, is); 235 1.2.2.2 mjf } 236 1.2.2.2 mjf #endif 237 1.2.2.2 mjf } 238 1.2.2.2 mjf 239 1.2.2.2 mjf static int gpio_match(device_t, cfdata_t, void *); 240 1.2.2.2 mjf static void gpio_attach(device_t, device_t, void *); 241 1.2.2.2 mjf 242 1.2.2.2 mjf CFATTACH_DECL_NEW(geminigpio, 243 1.2.2.2 mjf sizeof(struct gpio_softc), 244 1.2.2.2 mjf gpio_match, gpio_attach, 245 1.2.2.2 mjf NULL, NULL); 246 1.2.2.2 mjf 247 1.2.2.2 mjf #if NGPIO > 0 || NGEMINIGMAC > 0 248 1.2.2.2 mjf 249 1.2.2.2 mjf int 250 1.2.2.2 mjf geminigpio_pin_read(void *arg, int pin) 251 1.2.2.2 mjf { 252 1.2.2.2 mjf struct gpio_softc * const gpio = device_private(arg); 253 1.2.2.2 mjf 254 1.2.2.2 mjf return (GPIO_READ(gpio, GEMINI_GPIO_DATAIN) >> pin) & 1; 255 1.2.2.2 mjf } 256 1.2.2.2 mjf 257 1.2.2.2 mjf void 258 1.2.2.2 mjf geminigpio_pin_write(void *arg, int pin, int value) 259 1.2.2.2 mjf { 260 1.2.2.2 mjf struct gpio_softc * const gpio = device_private(arg); 261 1.2.2.2 mjf uint32_t mask = 1 << pin; 262 1.2.2.2 mjf 263 1.2.2.2 mjf if (value) 264 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_DATASET, mask); 265 1.2.2.2 mjf else 266 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_DATACLR, mask); 267 1.2.2.2 mjf } 268 1.2.2.2 mjf 269 1.2.2.2 mjf void 270 1.2.2.2 mjf geminigpio_pin_ctl(void *arg, int pin, int flags) 271 1.2.2.2 mjf { 272 1.2.2.2 mjf struct gpio_softc * const gpio = device_private(arg); 273 1.2.2.2 mjf uint32_t mask = 1 << pin; 274 1.2.2.2 mjf uint32_t old, new; 275 1.2.2.2 mjf 276 1.2.2.2 mjf old = GPIO_READ(gpio, GEMINI_GPIO_PINDIR); 277 1.2.2.2 mjf new = old; 278 1.2.2.2 mjf switch (flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) { 279 1.2.2.2 mjf case GPIO_PIN_INPUT: new &= ~mask; break; 280 1.2.2.2 mjf case GPIO_PIN_OUTPUT: new |= mask; break; 281 1.2.2.2 mjf default: return; 282 1.2.2.2 mjf } 283 1.2.2.2 mjf if (old != new) 284 1.2.2.2 mjf GPIO_WRITE(gpio, GEMINI_GPIO_PINDIR, new); 285 1.2.2.2 mjf } 286 1.2.2.2 mjf 287 1.2.2.2 mjf static void 288 1.2.2.2 mjf gpio_defer(device_t self) 289 1.2.2.2 mjf { 290 1.2.2.2 mjf struct gpio_softc * const gpio = device_private(self); 291 1.2.2.2 mjf struct gpio_chipset_tag * const gp = &gpio->gpio_chipset; 292 1.2.2.2 mjf struct gpiobus_attach_args gba; 293 1.2.2.2 mjf gpio_pin_t *pins; 294 1.2.2.2 mjf uint32_t mask, dir, valueout, valuein; 295 1.2.2.2 mjf int pin; 296 1.2.2.2 mjf 297 1.2.2.2 mjf gp->gp_cookie = gpio->gpio_dev; 298 1.2.2.2 mjf gp->gp_pin_read = geminigpio_pin_read; 299 1.2.2.2 mjf gp->gp_pin_write = geminigpio_pin_write; 300 1.2.2.2 mjf gp->gp_pin_ctl = geminigpio_pin_ctl; 301 1.2.2.2 mjf 302 1.2.2.2 mjf gba.gba_gc = gp; 303 1.2.2.2 mjf gba.gba_pins = gpio->gpio_pins; 304 1.2.2.2 mjf gba.gba_npins = __arraycount(gpio->gpio_pins); 305 1.2.2.2 mjf 306 1.2.2.2 mjf dir = GPIO_READ(gpio, GEMINI_GPIO_PINDIR); 307 1.2.2.2 mjf valueout = GPIO_READ(gpio, GEMINI_GPIO_DATAOUT); 308 1.2.2.2 mjf valuein = GPIO_READ(gpio, GEMINI_GPIO_DATAIN); 309 1.2.2.2 mjf for (pin = 0, mask = 1, pins = gpio->gpio_pins; 310 1.2.2.2 mjf pin < 32; pin++, mask <<= 1, pins++) { 311 1.2.2.2 mjf pins->pin_num = pin; 312 1.2.2.2 mjf if (gpio->gpio_inuse_mask & mask) 313 1.2.2.2 mjf pins->pin_caps = GPIO_PIN_INPUT; 314 1.2.2.2 mjf else 315 1.2.2.2 mjf pins->pin_caps = GPIO_PIN_INPUT|GPIO_PIN_OUTPUT; 316 1.2.2.2 mjf pins->pin_flags = 317 1.2.2.2 mjf (dir & mask) ? GPIO_PIN_OUTPUT : GPIO_PIN_INPUT; 318 1.2.2.2 mjf pins->pin_state = 319 1.2.2.2 mjf (((dir & mask) ? valueout : valuein) & mask) 320 1.2.2.2 mjf ? GPIO_PIN_HIGH 321 1.2.2.2 mjf : GPIO_PIN_LOW; 322 1.2.2.2 mjf } 323 1.2.2.2 mjf 324 1.2.2.2 mjf config_found_ia(self, "gpiobus", &gba, gpiobus_print); 325 1.2.2.2 mjf } 326 1.2.2.2 mjf #endif /* NGPIO > 0 */ 327 1.2.2.2 mjf 328 1.2.2.2 mjf int 329 1.2.2.2 mjf gpio_match(device_t parent, cfdata_t cfdata, void *aux) 330 1.2.2.2 mjf { 331 1.2.2.2 mjf struct obio_attach_args *oa = aux; 332 1.2.2.2 mjf 333 1.2.2.2 mjf if (oa->obio_addr == GEMINI_GPIO0_BASE 334 1.2.2.2 mjf || oa->obio_addr == GEMINI_GPIO1_BASE 335 1.2.2.2 mjf || oa->obio_addr == GEMINI_GPIO2_BASE) 336 1.2.2.2 mjf return 1; 337 1.2.2.2 mjf 338 1.2.2.2 mjf return 0; 339 1.2.2.2 mjf } 340 1.2.2.2 mjf 341 1.2.2.2 mjf void 342 1.2.2.2 mjf gpio_attach(device_t parent, device_t self, void *aux) 343 1.2.2.2 mjf { 344 1.2.2.2 mjf struct obio_attach_args * const oa = aux; 345 1.2.2.2 mjf struct gpio_softc * const gpio = device_private(self); 346 1.2.2.2 mjf int error; 347 1.2.2.2 mjf 348 1.2.2.2 mjf if (oa->obio_intr == OBIOCF_INTR_DEFAULT) 349 1.2.2.2 mjf panic("\n%s: no intr assigned", device_xname(self)); 350 1.2.2.2 mjf 351 1.2.2.2 mjf if (oa->obio_size == OBIOCF_SIZE_DEFAULT) 352 1.2.2.2 mjf oa->obio_size = GEMINI_GPIO_SIZE; 353 1.2.2.2 mjf 354 1.2.2.2 mjf gpio->gpio_dev = self; 355 1.2.2.2 mjf gpio->gpio_memt = oa->obio_iot; 356 1.2.2.2 mjf error = bus_space_map(oa->obio_iot, oa->obio_addr, oa->obio_size, 357 1.2.2.2 mjf 0, &gpio->gpio_memh); 358 1.2.2.2 mjf 359 1.2.2.2 mjf if (error) { 360 1.2.2.2 mjf aprint_error(": failed to map register %#lx@%#lx: %d\n", 361 1.2.2.2 mjf oa->obio_size, oa->obio_addr, error); 362 1.2.2.2 mjf return; 363 1.2.2.2 mjf } 364 1.2.2.2 mjf 365 1.2.2.2 mjf if (oa->obio_intrbase != OBIOCF_INTRBASE_DEFAULT) { 366 1.2.2.2 mjf gpio->gpio_pic.pic_ops = &gpio_pic_ops; 367 1.2.2.2 mjf strlcpy(gpio->gpio_pic.pic_name, device_xname(self), 368 1.2.2.2 mjf sizeof(gpio->gpio_pic.pic_name)); 369 1.2.2.2 mjf gpio->gpio_pic.pic_maxsources = 32; 370 1.2.2.2 mjf pic_add(&gpio->gpio_pic, oa->obio_intrbase); 371 1.2.2.2 mjf aprint_normal(": interrupts %d..%d", 372 1.2.2.2 mjf oa->obio_intrbase, oa->obio_intrbase + 31); 373 1.2.2.2 mjf gpio->gpio_is = intr_establish(oa->obio_intr, 374 1.2.2.2 mjf IPL_HIGH, IST_LEVEL_HIGH, pic_handle_intr, &gpio->gpio_pic); 375 1.2.2.2 mjf KASSERT(gpio->gpio_is != NULL); 376 1.2.2.2 mjf aprint_normal(", intr %d", oa->obio_intr); 377 1.2.2.2 mjf } 378 1.2.2.2 mjf aprint_normal("\n"); 379 1.2.2.2 mjf #if NGPIO > 0 380 1.2.2.2 mjf config_interrupts(self, gpio_defer); 381 1.2.2.2 mjf #endif 382 1.2.2.2 mjf } 383
Indexes created Tue Sep 30 20:09:53 GMT 2025