int
setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int* gpio_pol)
{
+ struct device_node *gpiop;
struct device_node *np;
const u32* pp;
+ int ret = -ENODEV;
- np = find_devices("gpio");
- if (!np)
- return -ENODEV;
+ gpiop = of_find_node_by_name(NULL, "gpio");
+ if (!gpiop)
+ goto done;
- np = np->child;
+ np = of_get_next_child(gpiop, NULL);
while(np != 0) {
if (name) {
const char *property =
break;
} else if (compatible && device_is_compatible(np, compatible))
break;
- np = np->sibling;
+ np = of_get_next_child(gpiop, np);
}
if (!np)
- return -ENODEV;
+ goto done;
pp = of_get_property(np, "AAPL,address", NULL);
if (!pp)
- return -ENODEV;
+ goto done;
*gpio_addr = (*pp) & 0x0000ffff;
pp = of_get_property(np, "audio-gpio-active-state", NULL);
if (pp)
*gpio_pol = *pp;
else
*gpio_pol = 1;
- return irq_of_parse_and_map(np, 0);
+ ret = irq_of_parse_and_map(np, 0);
+done:
+ of_node_put(np);
+ of_node_put(gpiop);
+ return ret;
}
static inline void
static struct device_node* __init
get_snd_io_node(void)
{
- struct device_node *np = NULL;
+ struct device_node *np;
/* set up awacs_node for early OF which doesn't have a full set of
* properties on davbus
- */
-
- awacs_node = find_devices("awacs");
+ */
+ awacs_node = of_find_node_by_name(NULL, "awacs");
if (awacs_node)
awacs_revision = AWACS_AWACS;
/* powermac models after 9500 (other than those which use DACA or
* Tumbler) have a node called "davbus".
*/
- np = find_devices("davbus");
+ np = of_find_node_by_name(NULL, "davbus");
/*
* if we didn't find a davbus device, try 'i2s-a' since
* this seems to be what iBooks (& Tumbler) have.
*/
- if (np == NULL)
- np = i2s_node = find_devices("i2s-a");
+ if (np == NULL) {
+ i2s_node = of_find_node_by_name(NULL, "i2s-a");
+ np = of_node_get(i2s_node);
+ }
/* if we didn't find this - perhaps we are on an early model
* which _only_ has an 'awacs' node
*/
if (np == NULL && awacs_node)
- np = awacs_node ;
+ np = of_node_get(awacs_node);
/* if we failed all these return null - this will cause the
* driver to give up...
{
struct device_node *info;
- info = find_devices("sound");
- while (info && info->parent != io)
- info = info->next;
+ for_each_node_by_name(info, "sound")
+ if (info->parent == io)
+ break;
return info;
}
static void __init
get_expansion_type(void)
{
- if (find_devices("perch") != NULL)
+ struct device_node *dn;
+
+ dn = of_find_node_by_name(NULL, "perch");
+ if (dn != NULL)
has_perch = 1;
+ of_node_put(dn);
- if (find_devices("pb-ziva-pc") != NULL)
+ dn = of_find_node_by_name(NULL, "pb-ziva-pc");
+ if (dn != NULL)
has_ziva = 1;
+ of_node_put(dn);
/* need to work out how we deal with iMac SRS module */
}
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find sound io OF node\n");
#endif
- return -ENODEV ;
+ goto no_device;
}
/* find the OF node that tells us about the sound sub-system
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find 'sound' OF node\n");
#endif
- return -ENODEV ;
+ goto no_device;
}
}
#ifdef DEBUG_DMASOUND
printk("dmasound_pmac: couldn't find a Codec we can handle\n");
#endif
- return -ENODEV ; /* we don't know this type of h/w */
+ goto no_device; /* we don't know this type of h/w */
}
/* set up perch, ziva, SRS or whatever else we have as sound
* machines).
*/
if (awacs_node) {
- io = awacs_node ;
+ of_node_put(io);
+ io = of_node_get(awacs_node);
if (of_get_address(io, 2, NULL, NULL) == NULL) {
printk("dmasound_pmac: can't use %s\n",
io->full_name);
- return -ENODEV;
+ goto no_device;
}
} else
printk("dmasound_pmac: can't use %s\n", io->full_name);
awacs_rsrc[0].end - awacs_rsrc[0].start + 1,
" (IO)") == NULL) {
printk(KERN_ERR "dmasound: can't request IO resource !\n");
- return -ENODEV;
+ goto no_device;
}
if (of_address_to_resource(io, 1, &awacs_rsrc[1]) ||
request_mem_region(awacs_rsrc[1].start,
release_mem_region(awacs_rsrc[0].start,
awacs_rsrc[0].end - awacs_rsrc[0].start + 1);
printk(KERN_ERR "dmasound: can't request Tx DMA resource !\n");
- return -ENODEV;
+ goto no_device;
}
if (of_address_to_resource(io, 2, &awacs_rsrc[2]) ||
request_mem_region(awacs_rsrc[2].start,
release_mem_region(awacs_rsrc[1].start,
awacs_rsrc[1].end - awacs_rsrc[1].start + 1);
printk(KERN_ERR "dmasound: can't request Rx DMA resource !\n");
- return -ENODEV;
+ goto no_device;
}
awacs_beep_dev = input_allocate_device();
release_mem_region(awacs_rsrc[2].start,
awacs_rsrc[2].end - awacs_rsrc[2].start + 1);
printk(KERN_ERR "dmasound: can't allocate input device !\n");
- return -ENOMEM;
+ goto no_device;
}
awacs_beep_dev->name = "dmasound beeper";
awacs_rx_irq = irq_of_parse_and_map(io, 2);
/* Hack for legacy crap that will be killed someday */
- awacs_node = io;
+ of_node_put(awacs_node);
+ awacs_node = of_node_get(io);
/* if we have an awacs or screamer - probe the chip to make
* sure we have the right revision.
/* if it's there use it to set up frame rates */
init_frame_rates(prop, l) ;
+ of_node_put(info);
+ info = NULL;
}
if (awacs)
*/
input_register_device(awacs_beep_dev);
+ of_node_put(io);
+
return dmasound_init();
+
+no_device:
+ of_node_put(info);
+ of_node_put(awacs_node);
+ of_node_put(i2s_node);
+ of_node_put(io);
+ return -ENODEV ;
}
static void __exit dmasound_awacs_cleanup(void)
}
dmasound_deinit();
+ of_node_put(awacs_node);
+ of_node_put(i2s_node);
}
MODULE_DESCRIPTION("PowerMac built-in audio driver.");
projects / karo-tx-linux.git / blobdiff