static void
do_dma (struct sscape_info *devc, int dma_chan, unsigned long buf, int blk_size, int mode)
{
unsigned char temp;
if (dma_chan != SSCAPE_DMA_A)
{
printk ("SSCAPE: Tried to use DMA channel != A. Why?\n");
return;
}
audio_devs[devc->my_audiodev]->flags &= ~DMA_AUTOMODE;
DMAbuf_start_dma (devc->my_audiodev,
buf,
blk_size, mode);
audio_devs[devc->my_audiodev]->flags |= DMA_AUTOMODE;
temp = devc->dma << 4; /* Setup DMA channel select bits */
if (devc->dma <= 3)
temp |= 0x80; /* 8 bit DMA channel */
temp |= 1; /* Trigger DMA */
sscape_write (devc, GA_DMAA_REG, temp);
temp &= 0xfe; /* Clear DMA trigger */
sscape_write (devc, GA_DMAA_REG, temp);
}
void
sscapeintr(int irq)
{
u_char bits, tmp;
DEB(printf("sscapeintr(0x%02x)\n", (bits = sscape_read(devc, GA_INTSTAT_REG))));
if ((sscape_sleep_flag.mode & WK_SLEEP)) {
sscape_sleep_flag.mode = WK_WAKEUP;
wakeup(sscape_sleeper);
}
if (bits & 0x02) { /* Host interface interrupt */
printf("SSCAPE: Host interrupt, data=%02x\n", host_read(devc));
}
#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
if (bits & 0x01) {
static int debug = 0;
mpuintr(irq);
if (debug++ > 10) { /* Temporary debugging hack */
sscape_write(devc, GA_INTENA_REG, 0x00); /* Disable all interr. */
}
}
#endif
/*
* Acknowledge interrupts (toggle the interrupt bits)
*/
tmp = sscape_read(devc, GA_INTENA_REG);
sscape_write(devc, GA_INTENA_REG, (~bits & 0x0e) | (tmp & 0xf1));
}
static void sscape_pnp_start_dma(sscape_info* devc, int arg )
{
int reg;
if (arg == 0) reg = 2;
else reg = 3;
sscape_write(devc, reg, sscape_read( devc, reg) | 0x01);
sscape_write(devc, reg, sscape_read( devc, reg) & 0xFE);
}
void
attach_ss_mss(struct address_info * hw_config)
{
/*
* This routine configures the SoundScape card for use with the Win
* Sound System driver. The AD1848 codec interface uses the CD-ROM
* config registers of the "ODIE".
*/
int i, irq_bits = 0xff;
#ifndef CONFIG_NATIVE_PCM
int prev_devs = num_audiodevs;
#endif
/*
* Setup the DMA polarity.
*/
sscape_write(devc, GA_DMACFG_REG, 0x50);
/*
* Take the gate-arry off of the DMA channel.
*/
sscape_write(devc, GA_DMAB_REG, 0x20);
/*
* Init the AD1848 (CD-ROM) config reg.
*/
for (i = 0; i < sizeof(valid_interrupts); i++)
if (hw_config->irq == valid_interrupts[i]) {
irq_bits = i;
break;
}
sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) |
(irq_bits << 1));
if (hw_config->irq == devc->irq)
printf("SoundScape: Warning! WSS mode can't share IRQ with MIDI\n");
ad1848_init("SoundScape", hw_config->io_base,
hw_config->irq,
hw_config->dma,
hw_config->dma,
0,
devc->osp);
#ifndef CONFIG_NATIVE_PCM
/* Check if the AD1848 driver installed itself */
if (num_audiodevs == (prev_devs + 1))
audio_devs[prev_devs]->coproc = &sscape_coproc_operations;
#endif
return;
}
static int __init probe_sscape(struct address_info *hw_config)
{
devc->base = hw_config->io_base;
devc->irq = hw_config->irq;
devc->dma = hw_config->dma;
devc->osp = hw_config->osp;
#ifdef SSCAPE_DEBUG1
/*
* Temporary debugging aid. Print contents of the registers before
* changing them.
*/
{
int i;
for (i = 0; i < 13; i++)
printk("I%d = %02x (old value)\n", i, sscape_read(devc, i));
}
#endif
devc->failed = 1;
sscape_ports = request_region(devc->base, 2, "mpu401");
if (!sscape_ports)
return 0;
if (!request_region(devc->base + 2, 6, "SoundScape")) {
release_region(devc->base, 2);
return 0;
}
if (!detect_ga(devc)) {
if (detect_sscape_pnp(devc))
return 1;
release_region(devc->base, 2);
release_region(devc->base + 2, 6);
return 0;
}
if (old_hardware) /* Check that it's really an old Spea/Reveal card. */
{
unsigned char tmp;
int cc;
if (!((tmp = sscape_read(devc, GA_HMCTL_REG)) & 0xc0))
{
sscape_write(devc, GA_HMCTL_REG, tmp | 0x80);
for (cc = 0; cc < 200000; ++cc)
inb(devc->base + ODIE_ADDR);
}
}
return 1;
}
void
sscapeintr (int irq, void *dev_id, struct pt_regs *dummy)
{
unsigned char bits, tmp;
static int debug = 0;
bits = sscape_read (devc, GA_INTSTAT_REG);
if ((sscape_sleep_flag.flags & WK_SLEEP))
{
{
sscape_sleep_flag.flags = WK_WAKEUP;
module_wake_up (&sscape_sleeper);
};
}
if (bits & 0x02) /* Host interface interrupt */
{
printk ("SSCAPE: Host interrupt, data=%02x\n", host_read (devc));
}
#if defined(CONFIG_MPU_EMU) && defined(CONFIG_MIDI)
if (bits & 0x01)
{
mpuintr (irq, NULL, NULL);
if (debug++ > 10) /* Temporary debugging hack */
{
sscape_write (devc, GA_INTENA_REG, 0x00); /* Disable all interrupts */
}
}
#endif
/*
* Acknowledge interrupts (toggle the interrupt bits)
*/
tmp = sscape_read (devc, GA_INTENA_REG);
sscape_write (devc, GA_INTENA_REG, (~bits & 0x0e) | (tmp & 0xf1));
}
static void sscape_coproc_close(void *dev_info, int sub_device)
{
struct sscape_info *devc = dev_info;
unsigned long flags;
save_flags(flags);
cli();
if (devc->dma_allocated)
{
sscape_write(devc, GA_DMAA_REG, 0x20); /* DMA channel disabled */
devc->dma_allocated = 0;
}
restore_flags(flags);
return;
}
int probe_sscape(struct address_info *hw_config)
{
if (sscape_detected != 0 && sscape_detected != hw_config->io_base)
return 0;
devc->base = hw_config->io_base;
devc->irq = hw_config->irq;
devc->dma = hw_config->dma;
devc->osp = hw_config->osp;
#ifdef SSCAPE_DEBUG1
/*
* Temporary debugging aid. Print contents of the registers before
* changing them.
*/
{
int i;
for (i = 0; i < 13; i++)
printk("I%d = %02x (old value)\n", i, sscape_read(devc, i));
}
#endif
devc->failed = 1;
if (!detect_ga(devc))
return 0;
if (old_hardware) /* Check that it's really an old Spea/Reveal card. */
{
unsigned char tmp;
int cc;
if (!((tmp = sscape_read(devc, GA_HMCTL_REG)) & 0xc0))
{
sscape_write(devc, GA_HMCTL_REG, tmp | 0x80);
for (cc = 0; cc < 200000; ++cc)
inb(devc->base + ODIE_ADDR);
}
}
sscape_detected = hw_config->io_base;
return 1;
}
static void
sscape_coproc_close(void *dev_info, int sub_device)
{
struct sscape_info *devc = dev_info;
u_long flags;
flags = splhigh();
if (devc->dma_allocated) {
sscape_write(devc, GA_DMAA_REG, 0x20); /* DMA channel disabled */
#ifdef CONFIG_NATIVE_PCM
#endif
devc->dma_allocated = 0;
}
sscape_sleep_flag.aborting = 0;
sscape_sleep_flag.mode = WK_NONE;
splx(flags);
return;
}
int
probe_sscape (struct address_info *hw_config)
{
unsigned char save;
devc->failed = 1;
devc->base = hw_config->io_base;
devc->irq = hw_config->irq;
devc->dma = hw_config->dma;
devc->osp = hw_config->osp;
if (sscape_detected != 0 && sscape_detected != hw_config->io_base)
return 0;
/*
* First check that the address register of "ODIE" is
* there and that it has exactly 4 writable bits.
* First 4 bits
*/
if ((save = inb (PORT (ODIE_ADDR))) & 0xf0)
return 0;
outb (0x00, PORT (ODIE_ADDR));
if (inb (PORT (ODIE_ADDR)) != 0x00)
return 0;
outb (0xff, PORT (ODIE_ADDR));
if (inb (PORT (ODIE_ADDR)) != 0x0f)
return 0;
outb (save, PORT (ODIE_ADDR));
/*
* Now verify that some indirect registers return zero on some bits.
* This may break the driver with some future revisions of "ODIE" but...
*/
if (sscape_read (devc, 0) & 0x0c)
return 0;
if (sscape_read (devc, 1) & 0x0f)
return 0;
if (sscape_read (devc, 5) & 0x0f)
return 0;
#ifdef SSCAPE_DEBUG1
/*
* Temporary debugging aid. Print contents of the registers before
* changing them.
*/
{
int i;
for (i = 0; i < 13; i++)
printk ("I%d = %02x (old value)\n", i, sscape_read (devc, i));
}
#endif
if (old_hardware) /* Check that it's really an old Spea/Reveal card. */
{
unsigned char tmp;
int cc;
if (!((tmp = sscape_read (devc, GA_HMCTL_REG)) & 0xc0))
{
sscape_write (devc, GA_HMCTL_REG, tmp | 0x80);
for (cc = 0; cc < 200000; ++cc)
inb (devc->base + ODIE_ADDR);
}
else
old_hardware = 0;
}
sscape_detected = hw_config->io_base;
return 1;
}
static void __init attach_ss_ms_sound(struct address_info *hw_config)
{
/*
* This routine configures the SoundScape card for use with the
* Win Sound System driver. The AD1848 codec interface uses the CD-ROM
* config registers of the "ODIE".
*/
int i, irq_bits = 0xff;
if (!sscape_is_pnp) /*pnp is already setup*/
{
/*
* Setup the DMA polarity.
*/
sscape_write(devc, GA_DMACFG_REG, 0x50);
/*
* Take the gate-array off of the DMA channel.
*/
sscape_write(devc, GA_DMAB_REG, 0x20);
/*
* Init the AD1848 (CD-ROM) config reg.
*/
for (i = 0; i < sizeof(valid_interrupts); i++)
{
if (hw_config->irq == valid_interrupts[i])
{
irq_bits = i;
break;
}
}
sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) | (irq_bits << 1));
}
if (hw_config->irq == devc->irq)
printk(KERN_WARNING "soundscape: Warning! The WSS mode can't share IRQ with MIDI\n");
hw_config->slots[0] = ad1848_init(
sscape_is_pnp ? "SoundScape" : "SoundScape PNP",
hw_config->io_base,
hw_config->irq,
hw_config->dma,
hw_config->dma,
0,
devc->osp,
THIS_MODULE);
if (hw_config->slots[0] != -1) /* The AD1848 driver installed itself */
{
audio_devs[hw_config->slots[0]]->coproc = &sscape_coproc_operations;
devc->codec_audiodev = hw_config->slots[0];
devc->my_audiodev = hw_config->slots[0];
/* Set proper routings here (what are they) */
AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE);
}
#ifdef SSCAPE_DEBUG5
/*
* Temporary debugging aid. Print contents of the registers
* after the AD1848 device has been initialized.
*/
{
int i;
for (i = 0; i < 13; i++)
printk("I%d = %02x\n", i, sscape_read(devc, i));
}
#endif
}
static int __init detect_sscape_pnp(sscape_info* devc)
{
long i, irq_bits = 0xff;
unsigned int d;
DDB(printk("Entered detect_sscape_pnp(%x)\n", devc->base));
if (check_region(devc->base, 8)) {
printk(KERN_ERR "detect_sscape_pnp: port %x is not free\n", devc->base);
return 0;
}
if (check_region(devc->codec, 2)) {
printk(KERN_ERR "detect_sscape_pnp: port %x is not free\n", devc->codec);
return 0;
}
if ( (inb( devc -> base + 2) & 0x78) != 0) return 0;
d = inb ( devc -> base + 4) & 0xF0;
if ( (d & 0x80) != 0) return 0;
if (d == 0) {
devc->codec_type = 1;
devc->ic_type = IC_ODIE;
}
else if ( (d & 0x60) != 0) {
devc->codec_type = 2;
devc->ic_type = IC_OPUS;
}
else if ( (d & 0x40) != 0) {
devc->codec_type = 2;
devc->ic_type = IC_ODIE;
}
else return 0;
sscape_is_pnp = 1;
outb(0xFA, devc -> base+4);
if ((inb( devc -> base+4) & 0x9F) != 0x0A)
return 0;
outb(0xFE, devc -> base+4);
if ( (inb(devc -> base+4) & 0x9F) != 0x0E)
return 0;
if ( (inb(devc -> base+5) & 0x9F) != 0x0E)
return 0;
if (devc->codec_type == 2) {
if (devc -> codec != devc -> base + 8)
printk("soundscape warning: incorrect codec port specified\n");
devc -> codec = devc -> base + 8;
d = 0x10 | (sscape_read(devc, 9) & 0xCF);
sscape_write(devc, 9, d);
sscape_write(devc, 6, 0x80);
} else {
//todo: check codec is not base + 8
}
d = (sscape_read(devc, 9) & 0x3F) | 0xC0;
sscape_write(devc, 9, d);
for (i = 0; i < 550000; i++)
if ( !(inb(devc -> codec) & 0x80) ) break;
d = inb(devc -> codec);
if (d & 0x80)
return 0;
if ( inb(devc -> codec + 2) == 0xFF)
return 0;
sscape_write(devc, 9, sscape_read(devc, 9) & 0x3F );
d = inb(devc -> codec) & 0x80;
if ( d == 0) {
printk(KERN_INFO "soundscape: hardware detected\n");
valid_interrupts = valid_interrupts_new;
} else {
printk(KERN_INFO "soundscape: board looks like media fx\n");
valid_interrupts = valid_interrupts_old;
old_hardware = 1;
}
sscape_write( devc, 9, 0xC0 | (sscape_read(devc, 9) & 0x3F) );
for (i = 0; i < 550000; i++)
if ( !(inb(devc -> codec) & 0x80))
break;
sscape_pnp_init_hw(devc);
for (i = 0; i < sizeof(valid_interrupts); i++)
{
if (devc->codec_irq == valid_interrupts[i]) {
irq_bits = i;
break;
}
}
sscape_write(devc, GA_INTENA_REG, 0x00);
sscape_write(devc, GA_DMACFG_REG, 0x50);
sscape_write(devc, GA_DMAA_REG, 0x70);
sscape_write(devc, GA_DMAB_REG, 0x20);
sscape_write(devc, GA_INTCFG_REG, 0xf0);
sscape_write(devc, GA_CDCFG_REG, 0x89 | (devc->dma << 4) | (irq_bits << 1));
sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 0) | 0x20);
sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 1) | 0x20);
return 1;
}
static void __init sscape_pnp_init_hw(sscape_info* devc)
{
unsigned char midi_irq = 0, sb_irq = 0;
unsigned i;
static char code_file_name[23] = "/sndscape/sndscape.cox";
int sscape_sb_enable = 0;
int sscape_joystic_enable = 0x7f;
int sscape_mic_enable = 0;
int sscape_ext_midi = 0;
if ( !sscape_pnp_alloc_dma(devc) ) {
printk(KERN_ERR "sscape: faild to allocate dma\n");
return;
}
for (i = 0; i < 4; i++) {
if ( devc -> irq == valid_interrupts[i] )
midi_irq = i;
if ( devc -> codec_irq == valid_interrupts[i] )
sb_irq = i;
}
sscape_write( devc, 5, 0x50);
sscape_write( devc, 7, 0x2e);
sscape_write( devc, 8, 0x00);
sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40);
sscape_write( devc, 3, ( devc -> dma << 4) | 0x80);
if ( sscape_sb_enable )
sscape_write (devc, 4, 0xF0 | (sb_irq << 2) | midi_irq);
else
sscape_write (devc, 4, 0xF0 | (midi_irq<<2) | midi_irq);
i = 0x10; //sscape_read(devc, 9) & (devc->ic_type == IC_ODIE ? 0xf0 : 0xc0);
if ( sscape_sb_enable )
i |= devc->ic_type == IC_ODIE ? 0x05 : 0x07;
if (sscape_joystic_enable) i |= 8;
sscape_write (devc, 9, i);
sscape_write (devc, 6, 0x80);
sscape_write (devc, 1, 0x80);
if (devc -> codec_type == 2) {
sscape_pnp_write_codec( devc, 0x0C, 0x50);
sscape_pnp_write_codec( devc, 0x10, sscape_pnp_read_codec( devc, 0x10) & 0x3F);
sscape_pnp_write_codec( devc, 0x11, sscape_pnp_read_codec( devc, 0x11) | 0xC0);
sscape_pnp_write_codec( devc, 29, 0x20);
}
if (sscape_pnp_upload_file(devc, "/sndscape/scope.cod") == 0 ) {
printk(KERN_ERR "sscape: faild to upload file /sndscape/scope.cod\n");
sscape_pnp_free_dma(devc);
return;
}
i = sscape_read_host_ctrl( devc );
if ( (i & 0x0F) > 7 ) {
printk(KERN_ERR "sscape: scope.cod faild\n");
sscape_pnp_free_dma(devc);
return;
}
if ( i & 0x10 ) sscape_write( devc, 7, 0x2F);
code_file_name[21] = (char) ( i & 0x0F) + 0x30;
if (sscape_pnp_upload_file( devc, code_file_name) == 0) {
printk(KERN_ERR "sscape: faild to upload file %s\n", code_file_name);
sscape_pnp_free_dma(devc);
return;
}
if (devc->ic_type != IC_ODIE) {
sscape_pnp_write_codec( devc, 10, (sscape_pnp_read_codec(devc, 10) & 0x7f) |
( sscape_mic_enable == 0 ? 0x00 : 0x80) );
}
sscape_write_host_ctrl2( devc, 0x84, 0x64 ); /* MIDI volume */
sscape_write_host_ctrl2( devc, 0x86, 0x64 ); /* MIDI volume?? */
sscape_write_host_ctrl2( devc, 0x8A, sscape_ext_midi);
sscape_pnp_write_codec ( devc, 6, 0x3f ); //WAV_VOL
sscape_pnp_write_codec ( devc, 7, 0x3f ); //WAV_VOL
sscape_pnp_write_codec ( devc, 2, 0x1F ); //WD_CDXVOLL
sscape_pnp_write_codec ( devc, 3, 0x1F ); //WD_CDXVOLR
if (devc -> codec_type == 1) {
sscape_pnp_write_codec ( devc, 4, 0x1F );
sscape_pnp_write_codec ( devc, 5, 0x1F );
sscape_write_host_ctrl2( devc, 0x88, sscape_mic_enable);
} else {
int t;
sscape_pnp_write_codec ( devc, 0x10, 0x1F << 1);
sscape_pnp_write_codec ( devc, 0x11, 0xC0 | (0x1F << 1));
t = sscape_pnp_read_codec( devc, 0x00) & 0xDF;
if ( (sscape_mic_enable == 0)) t |= 0;
else t |= 0x20;
sscape_pnp_write_codec ( devc, 0x00, t);
t = sscape_pnp_read_codec( devc, 0x01) & 0xDF;
if ( (sscape_mic_enable == 0) ) t |= 0;
else t |= 0x20;
sscape_pnp_write_codec ( devc, 0x01, t);
sscape_pnp_write_codec ( devc, 0x40 | 29 , 0x20);
outb(0, devc -> codec);
}
if (devc -> ic_type == IC_OPUS ) {
int i = sscape_read( devc, 9 );
sscape_write( devc, 9, i | 3 );
sscape_write( devc, 3, 0x40);
if (check_region(0x228, 1)) {
outb(0, 0x228);
release_region(0x228,1);
}
sscape_write( devc, 3, (devc -> dma << 4) | 0x80);
sscape_write( devc, 9, i );
}
host_close ( devc );
sscape_pnp_free_dma(devc);
}
static int __init init_ss_ms_sound(struct address_info *hw_config)
{
int i, irq_bits = 0xff;
int ad_flags = 0;
struct resource *ports;
if (devc->failed)
{
printk(KERN_ERR "soundscape: Card not detected\n");
return 0;
}
if (devc->ok == 0)
{
printk(KERN_ERR "soundscape: Invalid initialization order.\n");
return 0;
}
for (i = 0; i < 4; i++)
{
if (hw_config->irq == valid_interrupts[i])
{
irq_bits = i;
break;
}
}
if (irq_bits == 0xff) {
printk(KERN_ERR "soundscape: Invalid MSS IRQ%d\n", hw_config->irq);
return 0;
}
if (old_hardware)
ad_flags = 0x12345677; /* Tell that we may have a CS4248 chip (Spea-V7 Media FX) */
else if (sscape_is_pnp)
ad_flags = 0x87654321; /* Tell that we have a soundscape pnp with 1845 chip */
ports = request_region(hw_config->io_base, 4, "ad1848");
if (!ports) {
printk(KERN_ERR "soundscape: ports busy\n");
return 0;
}
if (!ad1848_detect(ports, &ad_flags, hw_config->osp)) {
release_region(hw_config->io_base, 4);
return 0;
}
if (!sscape_is_pnp) /*pnp is already setup*/
{
/*
* Setup the DMA polarity.
*/
sscape_write(devc, GA_DMACFG_REG, 0x50);
/*
* Take the gate-array off of the DMA channel.
*/
sscape_write(devc, GA_DMAB_REG, 0x20);
/*
* Init the AD1848 (CD-ROM) config reg.
*/
sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) | (irq_bits << 1));
}
if (hw_config->irq == devc->irq)
printk(KERN_WARNING "soundscape: Warning! The WSS mode can't share IRQ with MIDI\n");
hw_config->slots[0] = ad1848_init(
sscape_is_pnp ? "SoundScape" : "SoundScape PNP",
ports,
hw_config->irq,
hw_config->dma,
hw_config->dma,
0,
devc->osp,
THIS_MODULE);
if (hw_config->slots[0] != -1) /* The AD1848 driver installed itself */
{
audio_devs[hw_config->slots[0]]->coproc = &sscape_coproc_operations;
devc->codec_audiodev = hw_config->slots[0];
devc->my_audiodev = hw_config->slots[0];
/* Set proper routings here (what are they) */
AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE);
}
#ifdef SSCAPE_DEBUG5
/*
* Temporary debugging aid. Print contents of the registers
* after the AD1848 device has been initialized.
*/
{
int i;
for (i = 0; i < 13; i++)
printk("I%d = %02x\n", i, sscape_read(devc, i));
}
#endif
return 1;
}
/*
* Upload a byte-stream into the SoundScape using DMA channel A.
*/
static int upload_dma_data(struct soundscape *s,
const unsigned char __user *data,
size_t size)
{
unsigned long flags;
struct snd_dma_buffer dma;
int ret;
if (!get_dmabuf(&dma, PAGE_ALIGN(size)))
return -ENOMEM;
spin_lock_irqsave(&s->lock, flags);
/*
* Reset the board ...
*/
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f);
/*
* Enable the DMA channels and configure them ...
*/
sscape_write_unsafe(s->io_base, GA_DMACFG_REG, 0x50);
sscape_write_unsafe(s->io_base, GA_DMAA_REG, (s->chip->dma1 << 4) | DMA_8BIT);
sscape_write_unsafe(s->io_base, GA_DMAB_REG, 0x20);
/*
* Take the board out of reset ...
*/
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 0x80);
/*
* Upload the user's data (firmware?) to the SoundScape
* board through the DMA channel ...
*/
while (size != 0) {
unsigned long len;
/*
* Apparently, copying to/from userspace can sleep.
* We are therefore forbidden from holding any
* spinlocks while we copy ...
*/
spin_unlock_irqrestore(&s->lock, flags);
/*
* Remember that the data that we want to DMA
* comes from USERSPACE. We have already verified
* the userspace pointer ...
*/
len = min(size, dma.bytes);
len -= __copy_from_user(dma.area, data, len);
data += len;
size -= len;
/*
* Grab that spinlock again, now that we've
* finished copying!
*/
spin_lock_irqsave(&s->lock, flags);
snd_dma_program(s->chip->dma1, dma.addr, len, DMA_MODE_WRITE);
sscape_start_dma_unsafe(s->io_base, GA_DMAA_REG);
if (!sscape_wait_dma_unsafe(s->io_base, GA_DMAA_REG, 5000)) {
/*
* Don't forget to release this spinlock we're holding ...
*/
spin_unlock_irqrestore(&s->lock, flags);
snd_printk(KERN_ERR "sscape: DMA upload has timed out\n");
ret = -EAGAIN;
goto _release_dma;
}
} /* while */
set_host_mode_unsafe(s->io_base);
/*
* Boot the board ... (I think)
*/
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, sscape_read_unsafe(s->io_base, GA_HMCTL_REG) | 0x40);
spin_unlock_irqrestore(&s->lock, flags);
/*
* If all has gone well, then the board should acknowledge
* the new upload and tell us that it has rebooted OK. We
* give it 5 seconds (max) ...
*/
ret = 0;
if (!obp_startup_ack(s, 5)) {
snd_printk(KERN_ERR "sscape: No response from on-board processor after upload\n");
ret = -EAGAIN;
} else if (!host_startup_ack(s, 5)) {
snd_printk(KERN_ERR "sscape: SoundScape failed to initialise\n");
ret = -EAGAIN;
}
_release_dma:
/*
* NOTE!!! We are NOT holding any spinlocks at this point !!!
*/
sscape_write(s, GA_DMAA_REG, (s->ic_type == IC_ODIE ? 0x70 : 0x40));
free_dmabuf(&dma);
return ret;
}
static int
sscape_download_boot(struct sscape_info * devc, u_char *block, int size, int flag)
{
u_long flags;
u_char temp;
int done, timeout_val;
if (flag & CPF_FIRST) {
/*
* First block. Have to allocate DMA and to reset the board
* before continuing.
*/
flags = splhigh();
if (devc->dma_allocated == 0) {
devc->dma_allocated = 1;
}
splx(flags);
sscape_write(devc, GA_HMCTL_REG,
(temp = sscape_read(devc, GA_HMCTL_REG)) & 0x3f); /* Reset */
for (timeout_val = 10000; timeout_val > 0; timeout_val--)
sscape_read(devc, GA_HMCTL_REG); /* Delay */
/* Take board out of reset */
sscape_write(devc, GA_HMCTL_REG,
(temp = sscape_read(devc, GA_HMCTL_REG)) | 0x80);
}
/*
* Transfer one code block using DMA
*/
bcopy(block, audio_devs[devc->my_audiodev]->dmap_out->raw_buf, size);
flags = splhigh();
/******** INTERRUPTS DISABLED NOW ********/
do_dma(devc, SSCAPE_DMA_A,
audio_devs[devc->my_audiodev]->dmap_out->raw_buf_phys,
size, 1);
/*
* Wait until transfer completes.
*/
sscape_sleep_flag.aborting = 0;
sscape_sleep_flag.mode = WK_NONE;
done = 0;
timeout_val = 100;
while (!done && timeout_val-- > 0) {
int chn;
sscape_sleeper = &chn;
DO_SLEEP(chn, sscape_sleep_flag, 1);
done = 1;
}
splx(flags);
if (!done)
return 0;
if (flag & CPF_LAST) {
/*
* Take the board out of reset
*/
outb(PORT(HOST_CTRL), 0x00);
outb(PORT(MIDI_CTRL), 0x00);
temp = sscape_read(devc, GA_HMCTL_REG);
temp |= 0x40;
sscape_write(devc, GA_HMCTL_REG, temp); /* Kickstart the board */
/*
* Wait until the ODB wakes up
*/
flags = splhigh();
done = 0;
timeout_val = 5 * hz;
while (!done && timeout_val-- > 0) {
int chn;
sscape_sleeper = &chn;
DO_SLEEP(chn, sscape_sleep_flag, 1);
if (inb(PORT(HOST_DATA)) == 0xff) /* OBP startup acknowledge */
done = 1;
}
splx(flags);
if (!done) {
printf("SoundScape: The OBP didn't respond after code download\n");
return 0;
}
flags = splhigh();
done = 0;
timeout_val = 5 * hz;
while (!done && timeout_val-- > 0) {
int chn;
sscape_sleeper = &chn;
DO_SLEEP(chn, sscape_sleep_flag, 1);
if (inb(PORT(HOST_DATA)) == 0xfe) /* Host startup acknowledge */
done = 1;
}
splx(flags);
if (!done) {
printf("SoundScape: OBP Initialization failed.\n");
return 0;
}
printf("SoundScape board of type %d initialized OK\n",
get_board_type(devc));
set_control(devc, CTL_MASTER_VOL, 100);
set_control(devc, CTL_SYNTH_VOL, 100);
#ifdef SSCAPE_DEBUG3
/*
* Temporary debugging aid. Print contents of the registers
* after downloading the code.
*/
{
int i;
for (i = 0; i < 13; i++)
printf("I%d = %02x (new value)\n", i, sscape_read(devc, i));
}
#endif
}
return 1;
}
void
attach_sscape(struct address_info * hw_config)
{
#ifndef SSCAPE_REGS
/*
* Config register values for Spea/V7 Media FX and Ensoniq S-2000.
* These values are card dependent. If you have another SoundScape
* based card, you have to find the correct values. Do the following:
* - Compile this driver with SSCAPE_DEBUG1 defined. - Shut down and
* power off your machine. - Boot with DOS so that the SSINIT.EXE
* program is run. - Warm boot to {Linux|SYSV|BSD} and write down the
* lines displayed when detecting the SoundScape. - Modify the
* following list to use the values printed during boot. Undefine the
* SSCAPE_DEBUG1
*/
#define SSCAPE_REGS { \
/* I0 */ 0x00, \
0xf0, /* Note! Ignored. Set always to 0xf0 */ \
0x20, /* Note! Ignored. Set always to 0x20 */ \
0x20, /* Note! Ignored. Set always to 0x20 */ \
0xf5, /* Ignored */ \
0x10, \
0x00, \
0x2e, /* I7 MEM config A. Likely to vary between models */ \
0x00, /* I8 MEM config B. Likely to vary between models */ \
/* I9 */ 0x40 /* Ignored */ \
}
#endif
u_long flags;
static u_char regs[10] = SSCAPE_REGS;
int i, irq_bits = 0xff;
if (sscape_detected != hw_config->io_base)
return;
if (old_hardware) {
valid_interrupts = valid_interrupts_old;
conf_printf("Ensoniq Soundscape (old)", hw_config);
} else
conf_printf("Ensoniq Soundscape", hw_config);
for (i = 0; i < sizeof(valid_interrupts); i++)
if (hw_config->irq == valid_interrupts[i]) {
irq_bits = i;
break;
}
if (hw_config->irq > 15 || (regs[4] = irq_bits == 0xff)) {
printf("Invalid IRQ%d\n", hw_config->irq);
return;
}
flags = splhigh();
for (i = 1; i < 10; i++)
switch (i) {
case 1: /* Host interrupt enable */
sscape_write(devc, i, 0xf0); /* All interrupts enabled */
break;
case 2: /* DMA A status/trigger register */
case 3: /* DMA B status/trigger register */
sscape_write(devc, i, 0x20); /* DMA channel disabled */
break;
case 4: /* Host interrupt config reg */
sscape_write(devc, i, 0xf0 | (irq_bits << 2) | irq_bits);
break;
case 5: /* Don't destroy CD-ROM DMA config bits (0xc0) */
sscape_write(devc, i, (regs[i] & 0x3f) |
(sscape_read(devc, i) & 0xc0));
break;
case 6: /* CD-ROM config. Don't touch. */
break;
case 9: /* Master control reg. Don't modify CR-ROM
* bits. Disable SB emul */
sscape_write(devc, i, (sscape_read(devc, i) & 0xf0) | 0x00);
break;
default:
sscape_write(devc, i, regs[i]);
}
splx(flags);
#ifdef SSCAPE_DEBUG2
/*
* Temporary debugging aid. Print contents of the registers after
* changing them.
*/
{
int i;
for (i = 0; i < 13; i++)
printf("I%d = %02x (new value)\n", i, sscape_read(devc, i));
}
#endif
#if defined(CONFIG_MIDI) && defined(CONFIG_MPU_EMU)
if (probe_mpu401(hw_config))
hw_config->always_detect = 1;
{
int prev_devs;
prev_devs = num_midis;
attach_mpu401(hw_config);
if (num_midis == (prev_devs + 1)) /* The MPU driver
* installed itself */
midi_devs[prev_devs]->coproc = &sscape_coproc_operations;
}
#endif
#ifndef EXCLUDE_NATIVE_PCM
/* Not supported yet */
#ifdef CONFIG_AUDIO
if (num_audiodevs < MAX_AUDIO_DEV) {
int my_dev;
audio_devs[my_dev = num_audiodevs++] = &sscape_audio_operations;
audio_devs[my_dev]->dmachan1 = hw_config->dma;
audio_devs[my_dev]->buffsize = DSP_BUFFSIZE;
audio_devs[my_dev]->devc = devc;
devc->my_audiodev = my_dev;
devc->opened = 0;
audio_devs[my_dev]->coproc = &sscape_coproc_operations;
if (snd_set_irq_handler(hw_config->irq, sscapeintr, devc->osp) < 0)
printf("Error: Can't allocate IRQ for SoundScape\n");
sscape_write(devc, GA_INTENA_REG, 0x80); /* Master IRQ enable */
} else
printf("SoundScape: More than enough audio devices detected\n");
#endif
#endif
devc->ok = 1;
devc->failed = 0;
return;
}
static int sscape_download_boot(struct sscape_info *devc, unsigned char *block, int size, int flag)
{
unsigned long flags;
unsigned char temp;
volatile int done, timeout_val;
static unsigned char codec_dma_bits = 0;
if (flag & CPF_FIRST)
{
/*
* First block. Have to allocate DMA and to reset the board
* before continuing.
*/
save_flags(flags);
cli();
codec_dma_bits = sscape_read(devc, GA_CDCFG_REG);
if (devc->dma_allocated == 0)
devc->dma_allocated = 1;
restore_flags(flags);
sscape_write(devc, GA_HMCTL_REG,
(temp = sscape_read(devc, GA_HMCTL_REG)) & 0x3f); /*Reset */
for (timeout_val = 10000; timeout_val > 0; timeout_val--)
sscape_read(devc, GA_HMCTL_REG); /* Delay */
/* Take board out of reset */
sscape_write(devc, GA_HMCTL_REG,
(temp = sscape_read(devc, GA_HMCTL_REG)) | 0x80);
}
/*
* Transfer one code block using DMA
*/
if (audio_devs[devc->codec_audiodev]->dmap_out->raw_buf == NULL)
{
printk(KERN_WARNING "soundscape: DMA buffer not available\n");
return 0;
}
memcpy(audio_devs[devc->codec_audiodev]->dmap_out->raw_buf, block, size);
save_flags(flags);
cli();
/******** INTERRUPTS DISABLED NOW ********/
do_dma(devc, SSCAPE_DMA_A,
audio_devs[devc->codec_audiodev]->dmap_out->raw_buf_phys,
size, DMA_MODE_WRITE);
/*
* Wait until transfer completes.
*/
done = 0;
timeout_val = 30;
while (!done && timeout_val-- > 0)
{
int resid;
if (HZ / 50)
sleep(HZ / 50);
clear_dma_ff(devc->dma);
if ((resid = get_dma_residue(devc->dma)) == 0)
done = 1;
}
restore_flags(flags);
if (!done)
return 0;
if (flag & CPF_LAST)
{
/*
* Take the board out of reset
*/
outb((0x00), PORT(HOST_CTRL));
outb((0x00), PORT(MIDI_CTRL));
temp = sscape_read(devc, GA_HMCTL_REG);
temp |= 0x40;
sscape_write(devc, GA_HMCTL_REG, temp); /* Kickstart the board */
/*
* Wait until the ODB wakes up
*/
save_flags(flags);
cli();
done = 0;
timeout_val = 5 * HZ;
while (!done && timeout_val-- > 0)
{
unsigned char x;
sleep(1);
x = inb(PORT(HOST_DATA));
if (x == 0xff || x == 0xfe) /* OBP startup acknowledge */
{
DDB(printk("Soundscape: Acknowledge = %x\n", x));
done = 1;
}
}
sscape_write(devc, GA_CDCFG_REG, codec_dma_bits);
restore_flags(flags);
if (!done)
{
printk(KERN_ERR "soundscape: The OBP didn't respond after code download\n");
return 0;
}
save_flags(flags);
cli();
done = 0;
timeout_val = 5 * HZ;
while (!done && timeout_val-- > 0)
{
sleep(1);
if (inb(PORT(HOST_DATA)) == 0xfe) /* Host startup acknowledge */
done = 1;
}
restore_flags(flags);
if (!done)
{
printk(KERN_ERR "soundscape: OBP Initialization failed.\n");
return 0;
}
printk(KERN_INFO "SoundScape board initialized OK\n");
set_control(devc, CTL_MASTER_VOL, 100);
set_control(devc, CTL_SYNTH_VOL, 100);
#ifdef SSCAPE_DEBUG3
/*
* Temporary debugging aid. Print contents of the registers after
* downloading the code.
*/
{
int i;
for (i = 0; i < 13; i++)
printk("I%d = %02x (new value)\n", i, sscape_read(devc, i));
}
#endif
}
return 1;
}
static int
sscape_download_boot (struct sscape_info *devc, unsigned char *block, int size, int flag)
{
unsigned long flags;
unsigned char temp;
int done, timeout_val;
static unsigned char codec_dma_bits = 0;
if (flag & CPF_FIRST)
{
/*
* First block. Have to allocate DMA and to reset the board
* before continuing.
*/
save_flags (flags);
cli ();
codec_dma_bits = sscape_read (devc, GA_CDCFG_REG);
#if 0
sscape_write (devc, GA_CDCFG_REG,
codec_dma_bits & ~0x08); /* Disable codec DMA */
#endif
if (devc->dma_allocated == 0)
{
devc->dma_allocated = 1;
}
restore_flags (flags);
sscape_write (devc, GA_HMCTL_REG,
(temp = sscape_read (devc, GA_HMCTL_REG)) & 0x3f); /*Reset */
for (timeout_val = 10000; timeout_val > 0; timeout_val--)
sscape_read (devc, GA_HMCTL_REG); /* Delay */
/* Take board out of reset */
sscape_write (devc, GA_HMCTL_REG,
(temp = sscape_read (devc, GA_HMCTL_REG)) | 0x80);
}
/*
* Transfer one code block using DMA
*/
memcpy (audio_devs[devc->my_audiodev]->dmap_out->raw_buf, block, size);
save_flags (flags);
cli ();
/******** INTERRUPTS DISABLED NOW ********/
do_dma (devc, SSCAPE_DMA_A,
audio_devs[devc->my_audiodev]->dmap_out->raw_buf_phys,
size, DMA_MODE_WRITE);
/*
* Wait until transfer completes.
*/
sscape_sleep_flag.flags = WK_NONE;
done = 0;
timeout_val = 100;
while (!done && timeout_val-- > 0)
{
int resid;
{
unsigned long tlimit;
if (1)
current_set_timeout (tlimit = jiffies + (1));
else
tlimit = (unsigned long) -1;
sscape_sleep_flag.flags = WK_SLEEP;
module_interruptible_sleep_on (&sscape_sleeper);
if (!(sscape_sleep_flag.flags & WK_WAKEUP))
{
if (jiffies >= tlimit)
sscape_sleep_flag.flags |= WK_TIMEOUT;
}
sscape_sleep_flag.flags &= ~WK_SLEEP;
};
clear_dma_ff (devc->dma);
if ((resid = get_dma_residue (devc->dma)) == 0)
{
done = 1;
}
}
restore_flags (flags);
if (!done)
return 0;
if (flag & CPF_LAST)
{
/*
* Take the board out of reset
*/
outb (0x00, PORT (HOST_CTRL));
outb (0x00, PORT (MIDI_CTRL));
temp = sscape_read (devc, GA_HMCTL_REG);
temp |= 0x40;
sscape_write (devc, GA_HMCTL_REG, temp); /* Kickstart the board */
/*
* Wait until the ODB wakes up
*/
save_flags (flags);
cli ();
done = 0;
timeout_val = 5 * HZ;
while (!done && timeout_val-- > 0)
{
{
unsigned long tlimit;
if (1)
current_set_timeout (tlimit = jiffies + (1));
else
tlimit = (unsigned long) -1;
sscape_sleep_flag.flags = WK_SLEEP;
module_interruptible_sleep_on (&sscape_sleeper);
if (!(sscape_sleep_flag.flags & WK_WAKEUP))
{
if (jiffies >= tlimit)
sscape_sleep_flag.flags |= WK_TIMEOUT;
}
sscape_sleep_flag.flags &= ~WK_SLEEP;
};
if (inb (PORT (HOST_DATA)) == 0xff) /* OBP startup acknowledge */
done = 1;
}
sscape_write (devc, GA_CDCFG_REG, codec_dma_bits);
restore_flags (flags);
if (!done)
{
printk ("SoundScape: The OBP didn't respond after code download\n");
return 0;
}
save_flags (flags);
cli ();
done = 0;
timeout_val = 5 * HZ;
while (!done && timeout_val-- > 0)
{
{
unsigned long tlimit;
if (1)
current_set_timeout (tlimit = jiffies + (1));
else
tlimit = (unsigned long) -1;
sscape_sleep_flag.flags = WK_SLEEP;
module_interruptible_sleep_on (&sscape_sleeper);
if (!(sscape_sleep_flag.flags & WK_WAKEUP))
{
if (jiffies >= tlimit)
sscape_sleep_flag.flags |= WK_TIMEOUT;
}
sscape_sleep_flag.flags &= ~WK_SLEEP;
};
if (inb (PORT (HOST_DATA)) == 0xfe) /* Host startup acknowledge */
done = 1;
}
restore_flags (flags);
if (!done)
{
printk ("SoundScape: OBP Initialization failed.\n");
return 0;
}
printk ("SoundScape board of type %d initialized OK\n",
get_board_type (devc));
set_control (devc, CTL_MASTER_VOL, 100);
set_control (devc, CTL_SYNTH_VOL, 100);
#ifdef SSCAPE_DEBUG3
/*
* Temporary debugging aid. Print contents of the registers after
* downloading the code.
*/
{
int i;
for (i = 0; i < 13; i++)
printk ("I%d = %02x (new value)\n", i, sscape_read (devc, i));
}
#endif
}
return 1;
}
void __init attach_sscape(struct address_info *hw_config)
{
#ifndef SSCAPE_REGS
/*
* Config register values for Spea/V7 Media FX and Ensoniq S-2000.
* These values are card
* dependent. If you have another SoundScape based card, you have to
* find the correct values. Do the following:
* - Compile this driver with SSCAPE_DEBUG1 defined.
* - Shut down and power off your machine.
* - Boot with DOS so that the SSINIT.EXE program is run.
* - Warm boot to {Linux|SYSV|BSD} and write down the lines displayed
* when detecting the SoundScape.
* - Modify the following list to use the values printed during boot.
* Undefine the SSCAPE_DEBUG1
*/
#define SSCAPE_REGS { \
/* I0 */ 0x00, \
/* I1 */ 0xf0, /* Note! Ignored. Set always to 0xf0 */ \
/* I2 */ 0x20, /* Note! Ignored. Set always to 0x20 */ \
/* I3 */ 0x20, /* Note! Ignored. Set always to 0x20 */ \
/* I4 */ 0xf5, /* Ignored */ \
/* I5 */ 0x10, \
/* I6 */ 0x00, \
/* I7 */ 0x2e, /* I7 MEM config A. Likely to vary between models */ \
/* I8 */ 0x00, /* I8 MEM config B. Likely to vary between models */ \
/* I9 */ 0x40 /* Ignored */ \
}
#endif
unsigned long flags;
static unsigned char regs[10] = SSCAPE_REGS;
int i, irq_bits = 0xff;
if (sscape_detected != hw_config->io_base)
return;
request_region(devc->base + 2, 6, "SoundScape");
if (old_hardware)
{
valid_interrupts = valid_interrupts_old;
conf_printf("Ensoniq SoundScape (old)", hw_config);
}
else
conf_printf("Ensoniq SoundScape", hw_config);
for (i = 0; i < sizeof(valid_interrupts); i++)
{
if (hw_config->irq == valid_interrupts[i])
{
irq_bits = i;
break;
}
}
if (hw_config->irq > 15 || ((regs[4] = irq_bits) == 0xff))
{
printk(KERN_ERR "Invalid IRQ%d\n", hw_config->irq);
return;
}
if (!sscape_is_pnp) {
save_flags(flags);
cli();
for (i = 1; i < 10; i++)
{
switch (i)
{
case 1: /* Host interrupt enable */
sscape_write(devc, i, 0xf0); /* All interrupts enabled */
break;
case 2: /* DMA A status/trigger register */
case 3: /* DMA B status/trigger register */
sscape_write(devc, i, 0x20); /* DMA channel disabled */
break;
case 4: /* Host interrupt config reg */
sscape_write(devc, i, 0xf0 | (irq_bits << 2) | irq_bits);
break;
case 5: /* Don't destroy CD-ROM DMA config bits (0xc0) */
sscape_write(devc, i, (regs[i] & 0x3f) | (sscape_read(devc, i) & 0xc0));
break;
case 6: /* CD-ROM config (WSS codec actually) */
sscape_write(devc, i, regs[i]);
break;
case 9: /* Master control reg. Don't modify CR-ROM bits. Disable SB emul */
sscape_write(devc, i, (sscape_read(devc, i) & 0xf0) | 0x08);
break;
default:
sscape_write(devc, i, regs[i]);
}
}
restore_flags(flags);
}
#ifdef SSCAPE_DEBUG2
/*
* Temporary debugging aid. Print contents of the registers after
* changing them.
*/
{
int i;
for (i = 0; i < 13; i++)
printk("I%d = %02x (new value)\n", i, sscape_read(devc, i));
}
#endif
if (probe_mpu401(hw_config))
hw_config->always_detect = 1;
hw_config->name = "SoundScape";
hw_config->irq *= -1; /* Negative value signals IRQ sharing */
attach_mpu401(hw_config, THIS_MODULE);
hw_config->irq *= -1; /* Restore it */
if (hw_config->slots[1] != -1) /* The MPU driver installed itself */
{
sscape_mididev = hw_config->slots[1];
midi_devs[hw_config->slots[1]]->coproc = &sscape_coproc_operations;
}
sscape_write(devc, GA_INTENA_REG, 0x80); /* Master IRQ enable */
devc->ok = 1;
devc->failed = 0;
}
void
attach_ss_ms_sound (struct address_info *hw_config)
{
/*
* This routine configures the SoundScape card for use with the
* Win Sound System driver. The AD1848 codec interface uses the CD-ROM
* config registers of the "ODIE".
*/
int i, irq_bits = 0xff;
int prev_devs = num_audiodevs;
hw_config->dma = devc->dma; /* Share the DMA with the ODIE/OPUS chip */
/*
* Setup the DMA polarity.
*/
sscape_write (devc, GA_DMACFG_REG, 0x50);
/*
* Take the gate-array off of the DMA channel.
*/
sscape_write (devc, GA_DMAB_REG, 0x20);
/*
* Init the AD1848 (CD-ROM) config reg.
*/
for (i = 0; i < sizeof (valid_interrupts); i++)
if (hw_config->irq == valid_interrupts[i])
{
irq_bits = i;
break;
}
sscape_write (devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) |
(irq_bits << 1));
if (hw_config->irq == devc->irq)
printk ("SoundScape: Warning! The WSS mode can't share IRQ with MIDI\n");
ad1848_init ("SoundScape", hw_config->io_base,
hw_config->irq,
hw_config->dma,
hw_config->dma,
0,
devc->osp);
if (num_audiodevs == (prev_devs + 1)) /* The AD1848 driver installed itself */
audio_devs[prev_devs]->coproc = &sscape_coproc_operations;
devc->my_audiodev = prev_devs;
#ifdef SSCAPE_DEBUG5
/*
* Temporary debugging aid. Print contents of the registers
* after the AD1848 device has been initialized.
*/
{
int i;
for (i = 0; i < 13; i++)
printk ("I%d = %02x\n", i, sscape_read (devc, i));
}
#endif
}
static int sscape_pnp_upload_file(sscape_info* devc, char* fn)
{
int done = 0;
int timeout_val;
char* data,*dt;
int len,l;
unsigned long flags;
sscape_write( devc, 9, sscape_read(devc, 9 ) & 0x3F );
sscape_write( devc, 2, (devc -> dma << 4) | 0x80 );
sscape_write( devc, 3, 0x20 );
sscape_write( devc, 9, sscape_read( devc, 9 ) | 0x80 );
len = mod_firmware_load(fn, &data);
if (len == 0) {
printk(KERN_ERR "sscape: file not found: %s\n", fn);
return 0;
}
dt = data;
save_flags(flags);
cli();
while ( len > 0 ) {
if (len > devc -> buffsize) l = devc->buffsize;
else l = len;
len -= l;
memcpy(devc->raw_buf, dt, l); dt += l;
sscape_start_dma(devc->dma, devc->raw_buf_phys, l, 0x48);
sscape_pnp_start_dma ( devc, 0 );
if (sscape_pnp_wait_dma ( devc, 0 ) == 0) {
restore_flags(flags);
return 0;
}
}
restore_flags(flags);
vfree(data);
outb(0, devc -> base + 2);
outb(0, devc -> base);
sscape_write ( devc, 9, sscape_read( devc, 9 ) | 0x40);
timeout_val = 5 * HZ;
while (!done && timeout_val-- > 0)
{
unsigned char x;
sleep(1);
x = inb( devc -> base + 3);
if (x == 0xff || x == 0xfe) /* OBP startup acknowledge */
{
//printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x);
done = 1;
}
}
timeout_val = 5 * HZ;
done = 0;
while (!done && timeout_val-- > 0)
{
unsigned char x;
sleep(1);
x = inb( devc -> base + 3);
if (x == 0xfe) /* OBP startup acknowledge */
{
//printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x);
done = 1;
}
}
if ( !done ) printk(KERN_ERR "soundscape: OBP Initialization failed.\n");
sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40);
sscape_write( devc, 3, (devc -> dma << 4) + 0x80);
return 1;
}
/*
* Create an ALSA soundcard entry for the SoundScape, using
* the given list of port, IRQ and DMA resources.
*/
static int __devinit create_sscape(int dev, struct snd_card **rcardp)
{
struct snd_card *card;
register struct soundscape *sscape;
register unsigned dma_cfg;
unsigned irq_cfg;
unsigned mpu_irq_cfg;
unsigned xport;
struct resource *io_res;
unsigned long flags;
int err;
/*
* Check that the user didn't pass us garbage data ...
*/
irq_cfg = get_irq_config(irq[dev]);
if (irq_cfg == INVALID_IRQ) {
snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]);
return -ENXIO;
}
mpu_irq_cfg = get_irq_config(mpu_irq[dev]);
if (mpu_irq_cfg == INVALID_IRQ) {
printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
return -ENXIO;
}
xport = port[dev];
/*
* Grab IO ports that we will need to probe so that we
* can detect and control this hardware ...
*/
if ((io_res = request_region(xport, 8, "SoundScape")) == NULL) {
snd_printk(KERN_ERR "sscape: can't grab port 0x%x\n", xport);
return -EBUSY;
}
/*
* Grab both DMA channels (OK, only one for now) ...
*/
if ((err = request_dma(dma[dev], "SoundScape")) < 0) {
snd_printk(KERN_ERR "sscape: can't grab DMA %d\n", dma[dev]);
goto _release_region;
}
/*
* Create a new ALSA sound card entry, in anticipation
* of detecting our hardware ...
*/
if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
sizeof(struct soundscape))) == NULL) {
err = -ENOMEM;
goto _release_dma;
}
sscape = get_card_soundscape(card);
spin_lock_init(&sscape->lock);
spin_lock_init(&sscape->fwlock);
sscape->io_res = io_res;
sscape->io_base = xport;
if (!detect_sscape(sscape)) {
printk(KERN_ERR "sscape: hardware not detected at 0x%x\n", sscape->io_base);
err = -ENODEV;
goto _release_card;
}
printk(KERN_INFO "sscape: hardware detected at 0x%x, using IRQ %d, DMA %d\n",
sscape->io_base, irq[dev], dma[dev]);
/*
* Now create the hardware-specific device so that we can
* load the microcode into the on-board processor.
* We cannot use the MPU-401 MIDI system until this firmware
* has been loaded into the card.
*/
if ((err = snd_hwdep_new(card, "MC68EC000", 0, &(sscape->hw))) < 0) {
printk(KERN_ERR "sscape: Failed to create firmware device\n");
goto _release_card;
}
strlcpy(sscape->hw->name, "SoundScape M68K", sizeof(sscape->hw->name));
sscape->hw->name[sizeof(sscape->hw->name) - 1] = '\0';
sscape->hw->iface = SNDRV_HWDEP_IFACE_SSCAPE;
sscape->hw->ops.open = sscape_hw_open;
sscape->hw->ops.release = sscape_hw_release;
sscape->hw->ops.ioctl = sscape_hw_ioctl;
sscape->hw->private_data = sscape;
/*
* Tell the on-board devices where their resources are (I think -
* I can't be sure without a datasheet ... So many magic values!)
*/
spin_lock_irqsave(&sscape->lock, flags);
activate_ad1845_unsafe(sscape->io_base);
sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x00); /* disable */
sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2e);
sscape_write_unsafe(sscape->io_base, GA_SMCFGB_REG, 0x00);
/*
* Enable and configure the DMA channels ...
*/
sscape_write_unsafe(sscape->io_base, GA_DMACFG_REG, 0x50);
dma_cfg = (sscape->ic_type == IC_ODIE ? 0x70 : 0x40);
sscape_write_unsafe(sscape->io_base, GA_DMAA_REG, dma_cfg);
sscape_write_unsafe(sscape->io_base, GA_DMAB_REG, 0x20);
sscape_write_unsafe(sscape->io_base,
GA_INTCFG_REG, 0xf0 | (mpu_irq_cfg << 2) | mpu_irq_cfg);
sscape_write_unsafe(sscape->io_base,
GA_CDCFG_REG, 0x09 | DMA_8BIT | (dma[dev] << 4) | (irq_cfg << 1));
spin_unlock_irqrestore(&sscape->lock, flags);
/*
* We have now enabled the codec chip, and so we should
* detect the AD1845 device ...
*/
if ((err = create_ad1845(card, CODEC_IO(xport), irq[dev], dma[dev])) < 0) {
printk(KERN_ERR "sscape: No AD1845 device at 0x%x, IRQ %d\n",
CODEC_IO(xport), irq[dev]);
goto _release_card;
}
#define MIDI_DEVNUM 0
if ((err = create_mpu401(card, MIDI_DEVNUM, MPU401_IO(xport), mpu_irq[dev])) < 0) {
printk(KERN_ERR "sscape: Failed to create MPU-401 device at 0x%x\n",
MPU401_IO(xport));
goto _release_card;
}
/*
* Enable the master IRQ ...
*/
sscape_write(sscape, GA_INTENA_REG, 0x80);
/*
* Initialize mixer
*/
sscape->midi_vol = 0;
host_write_ctrl_unsafe(sscape->io_base, CMD_SET_MIDI_VOL, 100);
host_write_ctrl_unsafe(sscape->io_base, 0, 100);
host_write_ctrl_unsafe(sscape->io_base, CMD_XXX_MIDI_VOL, 100);
/*
* Now that we have successfully created this sound card,
* it is safe to store the pointer.
* NOTE: we only register the sound card's "destructor"
* function now that our "constructor" has completed.
*/
card->private_free = soundscape_free;
*rcardp = card;
return 0;
_release_card:
snd_card_free(card);
_release_dma:
free_dma(dma[dev]);
_release_region:
release_and_free_resource(io_res);
return err;
}