netwalker_btn.c revision 1.2.2.2
1 1.2.2.2 rmind /* $NetBSD: netwalker_btn.c,v 1.2.2.2 2014/05/18 17:45:05 rmind Exp $ */ 2 1.2.2.2 rmind 3 1.2.2.2 rmind /* 4 1.2.2.2 rmind * Copyright (c) 2014 Genetec Corporation. All rights reserved. 5 1.2.2.2 rmind * Written by Hashimoto Kenichi for Genetec Corporation. 6 1.2.2.2 rmind * 7 1.2.2.2 rmind * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 rmind * modification, are permitted provided that the following conditions 9 1.2.2.2 rmind * are met: 10 1.2.2.2 rmind * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 rmind * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 rmind * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 rmind * documentation and/or other materials provided with the distribution. 15 1.2.2.2 rmind * 16 1.2.2.2 rmind * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 17 1.2.2.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.2.2.2 rmind * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.2.2.2 rmind * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 20 1.2.2.2 rmind * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.2.2.2 rmind * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.2.2.2 rmind * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.2.2.2 rmind * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.2.2.2 rmind * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.2.2.2 rmind * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.2.2.2 rmind * POSSIBILITY OF SUCH DAMAGE. 27 1.2.2.2 rmind */ 28 1.2.2.2 rmind 29 1.2.2.2 rmind #include <sys/cdefs.h> 30 1.2.2.2 rmind __KERNEL_RCSID(0, "$NetBSD: netwalker_btn.c,v 1.2.2.2 2014/05/18 17:45:05 rmind Exp $"); 31 1.2.2.2 rmind 32 1.2.2.2 rmind #include "opt_imxspi.h" 33 1.2.2.2 rmind #include "opt_mousebtn.h" 34 1.2.2.2 rmind 35 1.2.2.2 rmind #include <sys/param.h> 36 1.2.2.2 rmind #include <sys/systm.h> 37 1.2.2.2 rmind #include <sys/kernel.h> 38 1.2.2.2 rmind #include <sys/device.h> 39 1.2.2.2 rmind #include <sys/lock.h> 40 1.2.2.2 rmind #include <sys/callout.h> 41 1.2.2.2 rmind #include <sys/gpio.h> 42 1.2.2.2 rmind #include <sys/bus.h> 43 1.2.2.2 rmind #include <sys/mutex.h> 44 1.2.2.2 rmind 45 1.2.2.2 rmind #include <dev/wscons/wsconsio.h> 46 1.2.2.2 rmind #include <dev/wscons/wsmousevar.h> 47 1.2.2.2 rmind 48 1.2.2.2 rmind #include <dev/gpio/gpiovar.h> 49 1.2.2.2 rmind 50 1.2.2.2 rmind #define GPIO1_BASE 160 51 1.2.2.2 rmind 52 1.2.2.2 rmind #define MOUSEBTN_PIN_LEFT 0 53 1.2.2.2 rmind #define MOUSEBTN_PIN_RIGHT 1 54 1.2.2.2 rmind #define MOUSEBTN_NPINS 2 55 1.2.2.2 rmind 56 1.2.2.2 rmind #define POLLRATE (hz/10) 57 1.2.2.2 rmind 58 1.2.2.2 rmind struct mousebtn_softc 59 1.2.2.2 rmind { 60 1.2.2.2 rmind device_t sc_dev; 61 1.2.2.2 rmind void *sc_gpio; 62 1.2.2.2 rmind void *sc_intr[MOUSEBTN_NPINS]; 63 1.2.2.2 rmind 64 1.2.2.2 rmind struct gpio_pinmap sc_map; 65 1.2.2.2 rmind int sc_map_pins[MOUSEBTN_NPINS]; 66 1.2.2.2 rmind 67 1.2.2.2 rmind int sc_buttons; 68 1.2.2.2 rmind 69 1.2.2.2 rmind struct callout sc_c; 70 1.2.2.2 rmind kmutex_t sc_lock; 71 1.2.2.2 rmind 72 1.2.2.2 rmind int sc_enabled; 73 1.2.2.2 rmind struct device *sc_wsmousedev; 74 1.2.2.2 rmind }; 75 1.2.2.2 rmind 76 1.2.2.2 rmind static int mousebtn_match(device_t, cfdata_t, void *); 77 1.2.2.2 rmind static void mousebtn_attach(device_t, device_t, void *); 78 1.2.2.2 rmind static int mousebtn_detach(device_t, int); 79 1.2.2.2 rmind 80 1.2.2.2 rmind CFATTACH_DECL_NEW(netwalker_btn, sizeof(struct mousebtn_softc), 81 1.2.2.2 rmind mousebtn_match, mousebtn_attach, mousebtn_detach, NULL); 82 1.2.2.2 rmind 83 1.2.2.2 rmind static void mousebtn_poll(void *); 84 1.2.2.2 rmind static int mousebtn_intr(void *); 85 1.2.2.2 rmind 86 1.2.2.2 rmind static int mousebtn_enable(void *v); 87 1.2.2.2 rmind static void mousebtn_disable(void *v); 88 1.2.2.2 rmind static int mousebtn_ioctl(void *, u_long, void *, int, struct lwp *); 89 1.2.2.2 rmind 90 1.2.2.2 rmind static bool mousebtn_resume(device_t, const pmf_qual_t *); 91 1.2.2.2 rmind static bool mousebtn_suspend(device_t, const pmf_qual_t *); 92 1.2.2.2 rmind 93 1.2.2.2 rmind static const struct wsmouse_accessops mousebtn_accessops = { 94 1.2.2.2 rmind .enable = mousebtn_enable, 95 1.2.2.2 rmind .ioctl = mousebtn_ioctl, 96 1.2.2.2 rmind .disable = mousebtn_disable 97 1.2.2.2 rmind }; 98 1.2.2.2 rmind 99 1.2.2.2 rmind static int 100 1.2.2.2 rmind mousebtn_match(device_t parent, cfdata_t cf, void * aux) 101 1.2.2.2 rmind { 102 1.2.2.2 rmind struct gpio_attach_args *ga = aux; 103 1.2.2.2 rmind 104 1.2.2.2 rmind if (strcmp(ga->ga_dvname, cf->cf_name)) 105 1.2.2.2 rmind return 0; 106 1.2.2.2 rmind if (ga->ga_offset == -1) 107 1.2.2.2 rmind return 0; 108 1.2.2.2 rmind 109 1.2.2.2 rmind /* check that we have enough pins */ 110 1.2.2.2 rmind if (gpio_npins(ga->ga_mask) != MOUSEBTN_NPINS) { 111 1.2.2.2 rmind aprint_debug("%s: invalid pin mask 0x%02x\n", cf->cf_name, 112 1.2.2.2 rmind ga->ga_mask); 113 1.2.2.2 rmind return 0; 114 1.2.2.2 rmind } 115 1.2.2.2 rmind 116 1.2.2.2 rmind return 1; 117 1.2.2.2 rmind } 118 1.2.2.2 rmind 119 1.2.2.2 rmind static void 120 1.2.2.2 rmind mousebtn_attach(device_t parent, device_t self, void *aux) 121 1.2.2.2 rmind { 122 1.2.2.2 rmind struct mousebtn_softc *sc = device_private(self); 123 1.2.2.2 rmind struct gpio_attach_args *ga = aux; 124 1.2.2.2 rmind int caps; 125 1.2.2.2 rmind struct wsmousedev_attach_args a; 126 1.2.2.2 rmind 127 1.2.2.2 rmind sc->sc_dev = self; 128 1.2.2.2 rmind sc->sc_gpio = ga->ga_gpio; 129 1.2.2.2 rmind 130 1.2.2.2 rmind /* map pins */ 131 1.2.2.2 rmind sc->sc_map.pm_map = sc->sc_map_pins; 132 1.2.2.2 rmind if (gpio_pin_map(sc->sc_gpio, ga->ga_offset, ga->ga_mask, 133 1.2.2.2 rmind &sc->sc_map)) { 134 1.2.2.2 rmind aprint_error(": couldn't map the pins\n"); 135 1.2.2.2 rmind return; 136 1.2.2.2 rmind } 137 1.2.2.2 rmind 138 1.2.2.2 rmind /* configure left pin */ 139 1.2.2.2 rmind caps = gpio_pin_caps(sc->sc_gpio, &sc->sc_map, MOUSEBTN_PIN_LEFT); 140 1.2.2.2 rmind if (!(caps & GPIO_PIN_INPUT)) { 141 1.2.2.2 rmind aprint_error(": pin is unable to read input\n"); 142 1.2.2.2 rmind gpio_pin_unmap(sc->sc_gpio, &sc->sc_map); 143 1.2.2.2 rmind return; 144 1.2.2.2 rmind } 145 1.2.2.2 rmind gpio_pin_ctl(sc->sc_gpio, &sc->sc_map, MOUSEBTN_PIN_LEFT, 146 1.2.2.2 rmind GPIO_PIN_INPUT); 147 1.2.2.2 rmind 148 1.2.2.2 rmind /* configure right pin */ 149 1.2.2.2 rmind caps = gpio_pin_caps(sc->sc_gpio, &sc->sc_map, MOUSEBTN_PIN_RIGHT); 150 1.2.2.2 rmind if (!(caps & GPIO_PIN_INPUT)) { 151 1.2.2.2 rmind aprint_error(": pin is unable to read input\n"); 152 1.2.2.2 rmind gpio_pin_unmap(sc->sc_gpio, &sc->sc_map); 153 1.2.2.2 rmind return; 154 1.2.2.2 rmind } 155 1.2.2.2 rmind gpio_pin_ctl(sc->sc_gpio, &sc->sc_map, MOUSEBTN_PIN_RIGHT, 156 1.2.2.2 rmind GPIO_PIN_INPUT); 157 1.2.2.2 rmind 158 1.2.2.2 rmind /* interrupt settings */ 159 1.2.2.2 rmind sc->sc_intr[0] = intr_establish(GPIO1_BASE + ga->ga_offset, 160 1.2.2.2 rmind IPL_VM, IST_EDGE_BOTH, mousebtn_intr, sc); 161 1.2.2.2 rmind if (sc->sc_intr[0] == NULL) { 162 1.2.2.2 rmind aprint_error(": couldn't establish interrupt\n"); 163 1.2.2.2 rmind return; 164 1.2.2.2 rmind } 165 1.2.2.2 rmind sc->sc_intr[1] = intr_establish(GPIO1_BASE + ga->ga_offset + 1, 166 1.2.2.2 rmind IPL_VM, IST_EDGE_BOTH, mousebtn_intr, sc); 167 1.2.2.2 rmind if (sc->sc_intr[1] == NULL) { 168 1.2.2.2 rmind aprint_error(": couldn't establish interrupt\n"); 169 1.2.2.2 rmind intr_disestablish(sc->sc_intr[0]); 170 1.2.2.2 rmind return; 171 1.2.2.2 rmind } 172 1.2.2.2 rmind 173 1.2.2.2 rmind aprint_normal(": NetWalker mouse button\n"); 174 1.2.2.2 rmind aprint_naive(": NetWalker mouse button\n"); 175 1.2.2.2 rmind 176 1.2.2.2 rmind mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 177 1.2.2.2 rmind callout_init(&sc->sc_c, 0); 178 1.2.2.2 rmind 179 1.2.2.2 rmind a.accessops = &mousebtn_accessops; 180 1.2.2.2 rmind a.accesscookie = sc; 181 1.2.2.2 rmind 182 1.2.2.2 rmind sc->sc_buttons = 0; 183 1.2.2.2 rmind sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 184 1.2.2.2 rmind } 185 1.2.2.2 rmind 186 1.2.2.2 rmind static int 187 1.2.2.2 rmind mousebtn_detach(device_t self, int flags) 188 1.2.2.2 rmind { 189 1.2.2.2 rmind struct mousebtn_softc *sc = device_private(self); 190 1.2.2.2 rmind 191 1.2.2.2 rmind if (sc->sc_intr[0] != NULL) 192 1.2.2.2 rmind intr_disestablish(sc->sc_intr[0]); 193 1.2.2.2 rmind if (sc->sc_intr[1] != NULL) 194 1.2.2.2 rmind intr_disestablish(sc->sc_intr[1]); 195 1.2.2.2 rmind 196 1.2.2.2 rmind gpio_pin_unmap(sc->sc_gpio, &sc->sc_map); 197 1.2.2.2 rmind 198 1.2.2.2 rmind return 0; 199 1.2.2.2 rmind } 200 1.2.2.2 rmind 201 1.2.2.2 rmind static void 202 1.2.2.2 rmind mousebtn_poll(void *arg) 203 1.2.2.2 rmind { 204 1.2.2.2 rmind struct mousebtn_softc *sc = (struct mousebtn_softc *)arg; 205 1.2.2.2 rmind uint32_t buttons = 0; 206 1.2.2.2 rmind int s; 207 1.2.2.2 rmind int left; 208 1.2.2.2 rmind int right; 209 1.2.2.2 rmind 210 1.2.2.2 rmind mutex_enter(&sc->sc_lock); 211 1.2.2.2 rmind 212 1.2.2.2 rmind left = !gpio_pin_read(sc->sc_gpio, &sc->sc_map, MOUSEBTN_PIN_LEFT); 213 1.2.2.2 rmind right = !gpio_pin_read(sc->sc_gpio, &sc->sc_map, MOUSEBTN_PIN_RIGHT); 214 1.2.2.2 rmind buttons = (right << 2) | left; 215 1.2.2.2 rmind 216 1.2.2.2 rmind if (sc->sc_buttons != buttons) { 217 1.2.2.2 rmind s = spltty(); 218 1.2.2.2 rmind wsmouse_input(sc->sc_wsmousedev, buttons, 0, 0, 0, 0, 219 1.2.2.2 rmind WSMOUSE_INPUT_DELTA); 220 1.2.2.2 rmind sc->sc_buttons = buttons; 221 1.2.2.2 rmind splx(s); 222 1.2.2.2 rmind } 223 1.2.2.2 rmind 224 1.2.2.2 rmind mutex_exit(&sc->sc_lock); 225 1.2.2.2 rmind 226 1.2.2.2 rmind #if defined(MOUSEBTN_POLLING) 227 1.2.2.2 rmind if (sc->sc_enabled) 228 1.2.2.2 rmind callout_reset(&sc->sc_c, POLLRATE, mousebtn_poll, sc); 229 1.2.2.2 rmind #endif 230 1.2.2.2 rmind return; 231 1.2.2.2 rmind } 232 1.2.2.2 rmind 233 1.2.2.2 rmind static int 234 1.2.2.2 rmind mousebtn_intr(void *v) 235 1.2.2.2 rmind { 236 1.2.2.2 rmind struct mousebtn_softc *sc = v; 237 1.2.2.2 rmind 238 1.2.2.2 rmind if (sc->sc_enabled) 239 1.2.2.2 rmind callout_reset(&sc->sc_c, POLLRATE, mousebtn_poll, sc); 240 1.2.2.2 rmind 241 1.2.2.2 rmind return 1; 242 1.2.2.2 rmind } 243 1.2.2.2 rmind 244 1.2.2.2 rmind 245 1.2.2.2 rmind int 246 1.2.2.2 rmind mousebtn_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 247 1.2.2.2 rmind { 248 1.2.2.2 rmind struct wsmouse_id *id; 249 1.2.2.2 rmind 250 1.2.2.2 rmind switch (cmd) { 251 1.2.2.2 rmind case WSMOUSEIO_GTYPE: 252 1.2.2.2 rmind *(u_int *)data = WSMOUSE_TYPE_PS2; 253 1.2.2.2 rmind return 0; 254 1.2.2.2 rmind case WSMOUSEIO_GETID: 255 1.2.2.2 rmind id = (struct wsmouse_id *)data; 256 1.2.2.2 rmind if (id->type != WSMOUSE_ID_TYPE_UIDSTR) 257 1.2.2.2 rmind return EINVAL; 258 1.2.2.2 rmind strlcpy(id->data, "NetWalker Mouse Button", WSMOUSE_ID_MAXLEN); 259 1.2.2.2 rmind id->length = strlen(id->data); 260 1.2.2.2 rmind return 0; 261 1.2.2.2 rmind } 262 1.2.2.2 rmind 263 1.2.2.2 rmind return EPASSTHROUGH; 264 1.2.2.2 rmind } 265 1.2.2.2 rmind 266 1.2.2.2 rmind int 267 1.2.2.2 rmind mousebtn_enable(void *v) 268 1.2.2.2 rmind { 269 1.2.2.2 rmind struct mousebtn_softc *sc = (struct mousebtn_softc *)v; 270 1.2.2.2 rmind 271 1.2.2.2 rmind if (sc->sc_enabled) 272 1.2.2.2 rmind return EBUSY; 273 1.2.2.2 rmind 274 1.2.2.2 rmind if (!pmf_device_register(sc->sc_dev, mousebtn_suspend, mousebtn_resume)) 275 1.2.2.2 rmind aprint_error_dev(sc->sc_dev, 276 1.2.2.2 rmind "couldn't establish power handler\n"); 277 1.2.2.2 rmind 278 1.2.2.2 rmind sc->sc_enabled = 1; 279 1.2.2.2 rmind #if defined(MOUSEBTN_POLLING) 280 1.2.2.2 rmind callout_reset(&sc->sc_c, POLLRATE, mousebtn_poll, sc); 281 1.2.2.2 rmind #endif 282 1.2.2.2 rmind 283 1.2.2.2 rmind return 0; 284 1.2.2.2 rmind } 285 1.2.2.2 rmind 286 1.2.2.2 rmind void 287 1.2.2.2 rmind mousebtn_disable(void *v) 288 1.2.2.2 rmind { 289 1.2.2.2 rmind struct mousebtn_softc *sc = (struct mousebtn_softc *)v; 290 1.2.2.2 rmind 291 1.2.2.2 rmind if (!sc->sc_enabled) 292 1.2.2.2 rmind return; 293 1.2.2.2 rmind 294 1.2.2.2 rmind pmf_device_deregister(sc->sc_dev); 295 1.2.2.2 rmind 296 1.2.2.2 rmind sc->sc_enabled = 0; 297 1.2.2.2 rmind 298 1.2.2.2 rmind return; 299 1.2.2.2 rmind } 300 1.2.2.2 rmind 301 1.2.2.2 rmind static bool 302 1.2.2.2 rmind mousebtn_suspend(device_t dv, const pmf_qual_t *qual) 303 1.2.2.2 rmind { 304 1.2.2.2 rmind struct mousebtn_softc *sc = device_private(dv); 305 1.2.2.2 rmind 306 1.2.2.2 rmind #if defined(MOUSEBTN_POLLING) 307 1.2.2.2 rmind callout_stop(&sc->sc_c); 308 1.2.2.2 rmind #endif 309 1.2.2.2 rmind sc->sc_enabled = 0; 310 1.2.2.2 rmind 311 1.2.2.2 rmind return true; 312 1.2.2.2 rmind } 313 1.2.2.2 rmind 314 1.2.2.2 rmind static bool 315 1.2.2.2 rmind mousebtn_resume(device_t dv, const pmf_qual_t *qual) 316 1.2.2.2 rmind { 317 1.2.2.2 rmind struct mousebtn_softc *sc = device_private(dv); 318 1.2.2.2 rmind 319 1.2.2.2 rmind sc->sc_enabled = 1; 320 1.2.2.2 rmind #if defined(MOUSEBTN_POLLING) 321 1.2.2.2 rmind callout_reset(&sc->sc_c, POLLRATE, mousebtn_poll, sc); 322 1.2.2.2 rmind #endif 323 1.2.2.2 rmind return true; 324 1.2.2.2 rmind } 325 1.2.2.2 rmind 326
Indexes created Fri Oct 03 02:09:57 GMT 2025