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Annotation of sys/arch/macppc/dev/maci2c.c, Revision 1.1.1.1

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: }