PATCH: Switch the SB Live! to the new ac97 api

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 11 Jul 2003 19:12:36 +0100

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diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.75/sound/oss/emu10k1/efxmgr.c linux-2.5.75-ac1/sound/oss/emu10k1/efxmgr.c
--- linux-2.5.75/sound/oss/emu10k1/efxmgr.c 2003-07-10 21:04:49.000000000 +0100
+++ linux-2.5.75-ac1/sound/oss/emu10k1/efxmgr.c 2003-07-11 16:27:04.000000000 +0100
@@ -101,10 +101,10 @@
{
extern char volume_params[SOUND_MIXER_NRDEVICES];

- card->ac97.mixer_state[oss_mixer] = (right << 8) | left;
+ card->ac97->mixer_state[oss_mixer] = (right << 8) | left;

if (!card->is_aps)
- card->ac97.write_mixer(&card->ac97, oss_mixer, left, right);
+ card->ac97->write_mixer(card->ac97, oss_mixer, left, right);

emu10k1_set_volume_gpr(card, card->mgr.ctrl_gpr[oss_mixer][0], left,
volume_params[oss_mixer]);
@@ -125,7 +125,7 @@
right = (val >> 8) & 0xff;
val = 0;
} else {
- val = card->ac97.mixer_state[oss_channel];
+ val = card->ac97->mixer_state[oss_channel];
left = 0;
right = 0;
}
@@ -138,8 +138,8 @@
int oss_channel = VOLCTRL_CHANNEL;
int left, right;

- left = card->ac97.mixer_state[oss_channel] & 0xff;
- right = (card->ac97.mixer_state[oss_channel] >> 8) & 0xff;
+ left = card->ac97->mixer_state[oss_channel] & 0xff;
+ right = (card->ac97->mixer_state[oss_channel] >> 8) & 0xff;

if ((left += VOLCTRL_STEP_SIZE) > 100)
left = 100;
@@ -155,8 +155,8 @@
int oss_channel = VOLCTRL_CHANNEL;
int left, right;

- left = card->ac97.mixer_state[oss_channel] & 0xff;
- right = (card->ac97.mixer_state[oss_channel] >> 8) & 0xff;
+ left = card->ac97->mixer_state[oss_channel] & 0xff;
+ right = (card->ac97->mixer_state[oss_channel] >> 8) & 0xff;

if ((left -= VOLCTRL_STEP_SIZE) < 0)
left = 0;
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.75/sound/oss/emu10k1/hwaccess.h linux-2.5.75-ac1/sound/oss/emu10k1/hwaccess.h
--- linux-2.5.75/sound/oss/emu10k1/hwaccess.h 2003-07-10 21:08:10.000000000 +0100
+++ linux-2.5.75-ac1/sound/oss/emu10k1/hwaccess.h 2003-07-11 16:30:47.000000000 +0100
@@ -162,7 +162,7 @@
struct emu10k1_mididevice *seq_mididev;
#endif

- struct ac97_codec ac97;
+ struct ac97_codec *ac97;
int ac97_supported_mixers;
int ac97_stereo_mixers;

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.75/sound/oss/emu10k1/main.c linux-2.5.75-ac1/sound/oss/emu10k1/main.c
--- linux-2.5.75/sound/oss/emu10k1/main.c 2003-07-10 21:15:00.000000000 +0100
+++ linux-2.5.75-ac1/sound/oss/emu10k1/main.c 2003-07-11 16:30:47.000000000 +0100
@@ -223,21 +223,31 @@
{
char s[32];

- struct ac97_codec *codec = &card->ac97;
- card->ac97.dev_mixer = register_sound_mixer(&emu10k1_mixer_fops, -1);
- if (card->ac97.dev_mixer < 0) {
- printk(KERN_ERR "emu10k1: cannot register mixer device\n");
+ struct ac97_codec *codec = ac97_alloc_codec();
+
+ if(codec == NULL)
+ {
+ printk(KERN_ERR "emu10k1: cannot allocate mixer\n");
return -EIO;
+ }
+ card->ac97 = codec;
+
+#warning "Initialisation order race. Must register after usable"
+
+ card->ac97->dev_mixer = register_sound_mixer(&emu10k1_mixer_fops, -1);
+ if (card->ac97->dev_mixer < 0) {
+ printk(KERN_ERR "emu10k1: cannot register mixer device\n");
+ goto err_codec;
}

- card->ac97.private_data = card;
+ card->ac97->private_data = card;

if (!card->is_aps) {
- card->ac97.id = 0;
- card->ac97.codec_read = emu10k1_ac97_read;
- card->ac97.codec_write = emu10k1_ac97_write;
+ card->ac97->id = 0;
+ card->ac97->codec_read = emu10k1_ac97_read;
+ card->ac97->codec_write = emu10k1_ac97_write;

- if (ac97_probe_codec (&card->ac97) == 0) {
+ if (ac97_probe_codec (card->ac97) == 0) {
printk(KERN_ERR "emu10k1: unable to probe AC97 codec\n");
goto err_out;
}
@@ -249,7 +259,7 @@
}

// Force 5bit:
- //card->ac97.bit_resolution=5;
+ //card->ac97->bit_resolution=5;

if (!proc_mkdir ("driver/emu10k1", 0)) {
printk(KERN_ERR "emu10k1: unable to create proc directory driver/emu10k1\n");
@@ -263,14 +273,14 @@
}

sprintf(s, "driver/emu10k1/%s/ac97", card->pci_dev->slot_name);
- if (!create_proc_read_entry (s, 0, 0, ac97_read_proc, &card->ac97)) {
+ if (!create_proc_read_entry (s, 0, 0, ac97_read_proc, card->ac97)) {
printk(KERN_ERR "emu10k1: unable to create proc entry %s\n", s);
goto err_ac97_proc;
}

/* these will store the original values and never be modified */
- card->ac97_supported_mixers = card->ac97.supported_mixers;
- card->ac97_stereo_mixers = card->ac97.stereo_mixers;
+ card->ac97_supported_mixers = card->ac97->supported_mixers;
+ card->ac97_stereo_mixers = card->ac97->stereo_mixers;
}

return 0;
@@ -282,7 +292,9 @@
err_emu10k1_proc:
remove_proc_entry("driver/emu10k1", NULL);
err_out:
- unregister_sound_mixer (card->ac97.dev_mixer);
+ unregister_sound_mixer (card->ac97->dev_mixer);
+ err_codec:
+ ac97_release_codec(card->ac97);
return -EIO;
}

@@ -300,7 +312,8 @@
remove_proc_entry("driver/emu10k1", NULL);
}

- unregister_sound_mixer (card->ac97.dev_mixer);
+ unregister_sound_mixer (card->ac97->dev_mixer);
+ ac97_release_codec(card->ac97);
}

static int __devinit emu10k1_midi_init(struct emu10k1_card *card)
@@ -694,21 +707,21 @@
mgr->ctrl_gpr[SOUND_MIXER_VOLUME][0] = 8;
mgr->ctrl_gpr[SOUND_MIXER_VOLUME][1] = 9;

- left = card->ac97.mixer_state[SOUND_MIXER_VOLUME] & 0xff;
- right = (card->ac97.mixer_state[SOUND_MIXER_VOLUME] >> 8) & 0xff;
+ left = card->ac97->mixer_state[SOUND_MIXER_VOLUME] & 0xff;
+ right = (card->ac97->mixer_state[SOUND_MIXER_VOLUME] >> 8) & 0xff;

- emu10k1_set_volume_gpr(card, 8, left, 1 << card->ac97.bit_resolution);
- emu10k1_set_volume_gpr(card, 9, right, 1 << card->ac97.bit_resolution);
+ emu10k1_set_volume_gpr(card, 8, left, 1 << card->ac97->bit_resolution);
+ emu10k1_set_volume_gpr(card, 9, right, 1 << card->ac97->bit_resolution);

//Rear volume
mgr->ctrl_gpr[ SOUND_MIXER_OGAIN ][0] = 0x19;
mgr->ctrl_gpr[ SOUND_MIXER_OGAIN ][1] = 0x1a;

left = right = 67;
- card->ac97.mixer_state[SOUND_MIXER_OGAIN] = (right << 8) | left;
+ card->ac97->mixer_state[SOUND_MIXER_OGAIN] = (right << 8) | left;

- card->ac97.supported_mixers |= SOUND_MASK_OGAIN;
- card->ac97.stereo_mixers |= SOUND_MASK_OGAIN;
+ card->ac97->supported_mixers |= SOUND_MASK_OGAIN;
+ card->ac97->stereo_mixers |= SOUND_MASK_OGAIN;

emu10k1_set_volume_gpr(card, 0x19, left, VOL_5BIT);
emu10k1_set_volume_gpr(card, 0x1a, right, VOL_5BIT);
@@ -717,8 +730,8 @@
mgr->ctrl_gpr[SOUND_MIXER_PCM][0] = 6;
mgr->ctrl_gpr[SOUND_MIXER_PCM][1] = 7;

- left = card->ac97.mixer_state[SOUND_MIXER_PCM] & 0xff;
- right = (card->ac97.mixer_state[SOUND_MIXER_PCM] >> 8) & 0xff;
+ left = card->ac97->mixer_state[SOUND_MIXER_PCM] & 0xff;
+ right = (card->ac97->mixer_state[SOUND_MIXER_PCM] >> 8) & 0xff;

emu10k1_set_volume_gpr(card, 6, left, VOL_5BIT);
emu10k1_set_volume_gpr(card, 7, right, VOL_5BIT);
@@ -728,22 +741,22 @@
mgr->ctrl_gpr[SOUND_MIXER_DIGITAL1][1] = 0xf;

left = right = 67;
- card->ac97.mixer_state[SOUND_MIXER_DIGITAL1] = (right << 8) | left;
+ card->ac97->mixer_state[SOUND_MIXER_DIGITAL1] = (right << 8) | left;

- card->ac97.supported_mixers |= SOUND_MASK_DIGITAL1;
- card->ac97.stereo_mixers |= SOUND_MASK_DIGITAL1;
+ card->ac97->supported_mixers |= SOUND_MASK_DIGITAL1;
+ card->ac97->stereo_mixers |= SOUND_MASK_DIGITAL1;

emu10k1_set_volume_gpr(card, 0xd, left, VOL_5BIT);
emu10k1_set_volume_gpr(card, 0xf, right, VOL_5BIT);

//hard wire the ac97's pcm, we'll do that in dsp code instead.
- emu10k1_ac97_write(&card->ac97, 0x18, 0x0);
+ emu10k1_ac97_write(card->ac97, 0x18, 0x0);
card->ac97_supported_mixers &= ~SOUND_MASK_PCM;
card->ac97_stereo_mixers &= ~SOUND_MASK_PCM;

//set Igain to 0dB by default, maybe consider hardwiring it here.
- emu10k1_ac97_write(&card->ac97, AC97_RECORD_GAIN, 0x0000);
- card->ac97.mixer_state[SOUND_MIXER_IGAIN] = 0x101;
+ emu10k1_ac97_write(card->ac97, AC97_RECORD_GAIN, 0x0000);
+ card->ac97->mixer_state[SOUND_MIXER_IGAIN] = 0x101;

return 0;
}
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.75/sound/oss/emu10k1/mixer.c linux-2.5.75-ac1/sound/oss/emu10k1/mixer.c
--- linux-2.5.75/sound/oss/emu10k1/mixer.c 2003-07-10 21:12:25.000000000 +0100
+++ linux-2.5.75-ac1/sound/oss/emu10k1/mixer.c 2003-07-11 18:29:48.000000000 +0100
@@ -457,29 +457,29 @@
break;

if (addr >= 0) {
- unsigned int state = card->ac97.mixer_state[id];
+ unsigned int state = card->ac97->mixer_state[id];

if (ch == 1) {
state >>= 8;
- card->ac97.stereo_mixers |= (1 << id);
+ card->ac97->stereo_mixers |= (1 << id);
}

- card->ac97.supported_mixers |= (1 << id);
+ card->ac97->supported_mixers |= (1 << id);

if (id == SOUND_MIXER_TREBLE) {
- set_treble(card, card->ac97.mixer_state[id] & 0xff, (card->ac97.mixer_state[id] >> 8) & 0xff);
+ set_treble(card, card->ac97->mixer_state[id] & 0xff, (card->ac97->mixer_state[id] >> 8) & 0xff);
} else if (id == SOUND_MIXER_BASS) {
- set_bass(card, card->ac97.mixer_state[id] & 0xff, (card->ac97.mixer_state[id] >> 8) & 0xff);
+ set_bass(card, card->ac97->mixer_state[id] & 0xff, (card->ac97->mixer_state[id] >> 8) & 0xff);
} else
emu10k1_set_volume_gpr(card, addr, state & 0xff,
volume_params[id]);
} else {
- card->ac97.stereo_mixers &= ~(1 << id);
- card->ac97.stereo_mixers |= card->ac97_stereo_mixers;
+ card->ac97->stereo_mixers &= ~(1 << id);
+ card->ac97->stereo_mixers |= card->ac97_stereo_mixers;

if (ch == 0) {
- card->ac97.supported_mixers &= ~(1 << id);
- card->ac97.supported_mixers |= card->ac97_supported_mixers;
+ card->ac97->supported_mixers &= ~(1 << id);
+ card->ac97->supported_mixers |= card->ac97_supported_mixers;
}
}
break;
@@ -500,9 +500,9 @@

case CMD_AC97_BOOST:
if(ctl->val[0])
- emu10k1_ac97_write(&card->ac97, 0x18, 0x0);
+ emu10k1_ac97_write(card->ac97, 0x18, 0x0);
else
- emu10k1_ac97_write(&card->ac97, 0x18, 0x0808);
+ emu10k1_ac97_write(card->ac97, 0x18, 0x0808);
break;
default:
ret = -EINVAL;
@@ -577,7 +577,7 @@
int val;
int scale;

- card->ac97.modcnt++;
+ card->ac97->modcnt++;

if (get_user(val, (int *)arg))
return -EFAULT;
@@ -589,7 +589,7 @@
if (right > 100) right = 100;
if (left > 100) left = 100;

- card->ac97.mixer_state[oss_mixer] = (right << 8) | left;
+ card->ac97->mixer_state[oss_mixer] = (right << 8) | left;
if (oss_mixer == SOUND_MIXER_TREBLE) {
set_treble(card, left, right);
return 0;
@@ -599,7 +599,7 @@
}

if (oss_mixer == SOUND_MIXER_VOLUME)
- scale = 1 << card->ac97.bit_resolution;
+ scale = 1 << card->ac97->bit_resolution;
else
scale = volume_params[oss_mixer];

@@ -607,7 +607,7 @@
emu10k1_set_volume_gpr(card, card->mgr.ctrl_gpr[oss_mixer][1], right, scale);

if (card->ac97_supported_mixers & (1 << oss_mixer))
- card->ac97.write_mixer(&card->ac97, oss_mixer, left, right);
+ card->ac97->write_mixer(card->ac97, oss_mixer, left, right);

return 0;
}
@@ -623,9 +623,9 @@
if (cmd == SOUND_MIXER_INFO) {
mixer_info info;

- strlcpy(info.id, card->ac97.name, sizeof(info.id));
- strlcpy(info.name, "Creative SBLive - Emu10k1", sizeof(info.name));
- info.modify_counter = card->ac97.modcnt;
+ strncpy(info.id, card->ac97->name, sizeof(info.id));
+ strncpy(info.name, "Creative SBLive - Emu10k1", sizeof(info.name));
+ info.modify_counter = card->ac97->modcnt;

if (copy_to_user((void *)arg, &info, sizeof(info)))
return -EFAULT;
@@ -636,7 +636,7 @@
if ((_SIOC_DIR(cmd) == (_SIOC_WRITE|_SIOC_READ)) && oss_mixer <= SOUND_MIXER_NRDEVICES)
ret = emu10k1_dsp_mixer(card, oss_mixer, arg);
else
- ret = card->ac97.mixer_ioctl(&card->ac97, cmd, arg);
+ ret = card->ac97->mixer_ioctl(card->ac97, cmd, arg);
}

if (ret < 0)
@@ -656,7 +656,7 @@
list_for_each(entry, &emu10k1_devs) {
card = list_entry(entry, struct emu10k1_card, list);

- if (card->ac97.dev_mixer == minor)
+ if (card->ac97->dev_mixer == minor)
goto match;
}

-
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