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Annotation of sys/arch/macppc/dev/maci2c.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: maci2c.c,v 1.9 2006/02/14 20:54:45 kettenis Exp $     */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2005 Mark Kettenis
        !             5:  *
        !             6:  * Permission to use, copy, modify, and distribute this software for any
        !             7:  * purpose with or without fee is hereby granted, provided that the above
        !             8:  * copyright notice and this permission notice appear in all copies.
        !             9:  *
        !            10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !            11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            17:  */
        !            18:
        !            19: #include <sys/param.h>
        !            20: #include <sys/systm.h>
        !            21: #include <sys/device.h>
        !            22:
        !            23: #define _I2C_PRIVATE
        !            24: #include <dev/i2c/i2cvar.h>
        !            25: #include <dev/ofw/openfirm.h>
        !            26:
        !            27: #include <arch/macppc/dev/maci2cvar.h>
        !            28:
        !            29: void
        !            30: maciic_scan(struct device *self, struct i2cbus_attach_args *iba, void *aux)
        !            31: {
        !            32:        int iba_node = *(int *)aux;
        !            33:        struct i2c_attach_args ia;
        !            34:        char name[32];
        !            35:        u_int32_t reg;
        !            36:        int node;
        !            37:
        !            38:        for (node = OF_child(iba_node); node; node = OF_peer(node)) {
        !            39:                if (OF_getprop(node, "reg", &reg, sizeof reg) != sizeof reg &&
        !            40:                    OF_getprop(node, "i2c-address", &reg, sizeof reg) != sizeof reg)
        !            41:                        continue;
        !            42:                memset(&ia, 0, sizeof ia);
        !            43:                ia.ia_tag = iba->iba_tag;
        !            44:                ia.ia_addr = (reg >> 1);
        !            45:                memset(name, 0, sizeof name);
        !            46:                if (OF_getprop(node, "compatible", &name,
        !            47:                    sizeof name) && name[0])
        !            48:                        ia.ia_name = name;
        !            49:                if (ia.ia_name == NULL &&
        !            50:                    OF_getprop(node, "name", &name,
        !            51:                    sizeof name) && name[0]) {
        !            52:                        if (strcmp(name, "cereal") == 0)
        !            53:                                continue;
        !            54:                        ia.ia_name = name;
        !            55:                }
        !            56:                /* XXX We should write a real driver for these instead
        !            57:                   of reaching over from the sound driver that sits on
        !            58:                   the i2s port.  For now hide them.  */
        !            59:                if (strcmp(name, "deq") == 0 || strcmp(name, "tas3004") == 0)
        !            60:                        continue;
        !            61:                if (ia.ia_name)
        !            62:                        config_found(self, &ia, iic_print);
        !            63:        }
        !            64: }