Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2024-12-29 17:23:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[PATCH] pmac: sound support for latest laptops

Browse Source 
This patch hacks the current Alsa snd-powermac driver to add support for
recent machine models with the tas3004 chip, that is basically new laptop
models.  The Mac Mini is _NOT_ yet supported by this patch (soon soon ...).
 The G5s (iMac or Desktop) will need the rewritten sound driver on which
I'm working on (I _might_ get a hack for analog only on some G5s on the
current driver, but no promise).

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Benjamin Herrenschmidt 2005-04-16 15:24:31 -07:00 committed by Linus Torvalds
parent 16b817579f
commit b75550e1bc
2 changed files with 53 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
sound/ppc/pmac.c
View File

@ -881,6 +881,7 @@ static int __init snd_pmac_detect(pmac_t *chip)
{
struct device_node *sound;
unsigned int *prop, l;
u32 layout_id = 0;
if (_machine != _MACH_Pmac)
return -ENODEV;
@ -929,6 +930,9 @@ static int __init snd_pmac_detect(pmac_t *chip)
prop = (unsigned int *) get_property(sound, "sub-frame", NULL);
if (prop && *prop < 16)
chip->subframe = *prop;
prop = (unsigned int *) get_property(sound, "layout-id", NULL);
if (prop)
layout_id = *prop;
/* This should be verified on older screamers */
if (device_is_compatible(sound, "screamer")) {
chip->model = PMAC_SCREAMER;
@ -961,12 +965,22 @@ static int __init snd_pmac_detect(pmac_t *chip)
chip->freq_table = tumbler_freqs;
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
}
if (device_is_compatible(sound, "AOAKeylargo")) {
/* Seems to support the stock AWACS frequencies, but has
a snapper mixer */
chip->model = PMAC_SNAPPER;
// chip->can_byte_swap = 0; /* FIXME: check this */
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
if (device_is_compatible(sound, "AOAKeylargo") ||
device_is_compatible(sound, "AOAbase")) {
/* For now, only support very basic TAS3004 based machines with
* single frequency until proper i2s control is implemented
*/
switch(layout_id) {
case 0x48:
case 0x46:
case 0x33:
case 0x29:
chip->num_freqs = ARRAY_SIZE(tumbler_freqs);
chip->model = PMAC_SNAPPER;
chip->can_byte_swap = 0; /* FIXME: check this */
chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */
break;
}
}
prop = (unsigned int *)get_property(sound, "device-id", NULL);
if (prop)

46
sound/ppc/tumbler.c
View File

@ -37,6 +37,8 @@
#include <asm/irq.h>
#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
#include <asm/pmac_feature.h>
#else
#error old crap
#endif
#include "pmac.h"
#include "tumbler_volume.h"
@ -950,10 +952,10 @@ static struct device_node *find_compatible_audio_device(const char *name)
}
/* find an audio device and get its address */
static unsigned long tumbler_find_device(const char *device, pmac_gpio_t *gp, int is_compatible)
static long tumbler_find_device(const char *device, pmac_gpio_t *gp, int is_compatible)
{
struct device_node *node;
u32 *base;
u32 *base, addr;
if (is_compatible)
node = find_compatible_audio_device(device);
@ -966,21 +968,31 @@ static unsigned long tumbler_find_device(const char *device, pmac_gpio_t *gp, in
base = (u32 *)get_property(node, "AAPL,address", NULL);
if (! base) {
snd_printd("cannot find address for device %s\n", device);
return -ENODEV;
}
base = (u32 *)get_property(node, "reg", NULL);
if (!base) {
snd_printd("cannot find address for device %s\n", device);
return -ENODEV;
}
/* this only work if PPC_HAS_FEATURE_CALLS is set as we
* are only getting the low part of the address
*/
addr = *base;
if (addr < 0x50)
addr += 0x50;
} else
addr = *base;
#ifdef CONFIG_PPC_HAS_FEATURE_CALLS
gp->addr = (*base) & 0x0000ffff;
gp->addr = addr & 0x0000ffff;
#else
gp->addr = ioremap((unsigned long)(*base), 1);
gp->addr = ioremap((unsigned long)addr, 1);
#endif
/* Try to find the active state, default to 0 ! */
base = (u32 *)get_property(node, "audio-gpio-active-state", NULL);
if (base)
gp->active_state = *base;
else
gp->active_state = 1;
gp->active_state = 0;
return (node->n_intrs > 0) ? node->intrs[0].line : 0;
}
@ -1039,10 +1051,15 @@ static int __init tumbler_init(pmac_t *chip)
pmac_tumbler_t *mix = chip->mixer_data;
snd_assert(mix, return -EINVAL);
tumbler_find_device("audio-hw-reset", &mix->audio_reset, 0);
tumbler_find_device("amp-mute", &mix->amp_mute, 0);
tumbler_find_device("headphone-mute", &mix->hp_mute, 0);
if (tumbler_find_device("audio-hw-reset", &mix->audio_reset, 0) < 0)
tumbler_find_device("hw-reset", &mix->audio_reset, 1);
if (tumbler_find_device("amp-mute", &mix->amp_mute, 0) < 0)
tumbler_find_device("amp-mute", &mix->amp_mute, 1);
if (tumbler_find_device("headphone-mute", &mix->hp_mute, 0) < 0)
tumbler_find_device("headphone-mute", &mix->hp_mute, 1);
irq = tumbler_find_device("headphone-detect", &mix->hp_detect, 0);
if (irq < 0)
irq = tumbler_find_device("headphone-detect", &mix->hp_detect, 1);
if (irq < 0)
irq = tumbler_find_device("keywest-gpio15", &mix->hp_detect, 1);
@ -1108,10 +1125,14 @@ int __init snd_pmac_tumbler_init(pmac_t *chip)
/* set up TAS */
tas_node = find_devices("deq");
if (tas_node == NULL)
tas_node = find_devices("codec");
if (tas_node == NULL)
return -ENODEV;
paddr = (u32 *)get_property(tas_node, "i2c-address", NULL);
if (paddr == NULL)
paddr = (u32 *)get_property(tas_node, "reg", NULL);
if (paddr)
mix->i2c.addr = (*paddr) >> 1;
else
@ -1156,7 +1177,6 @@ int __init snd_pmac_tumbler_init(pmac_t *chip)
if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0)
return err;
#ifdef CONFIG_PMAC_PBOOK
chip->resume = tumbler_resume;
#endif