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gus_io.c
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gus_io.c
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/*
* Copyright (c) by Jaroslav Kysela <[email protected]>
* I/O routines for GF1/InterWave synthesizer chips
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/delay.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/gus.h>
void snd_gf1_delay(struct snd_gus_card * gus)
{
int i;
for (i = 0; i < 6; i++) {
mb();
inb(GUSP(gus, DRAM));
}
}
/*
* =======================================================================
*/
/*
* ok.. stop of control registers (wave & ramp) need some special things..
* big UltraClick (tm) elimination...
*/
static inline void __snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
{
unsigned char value;
outb(reg | 0x80, gus->gf1.reg_regsel);
mb();
value = inb(gus->gf1.reg_data8);
mb();
outb(reg, gus->gf1.reg_regsel);
mb();
outb((value | 0x03) & ~(0x80 | 0x20), gus->gf1.reg_data8);
mb();
}
static inline void __snd_gf1_write8(struct snd_gus_card * gus,
unsigned char reg,
unsigned char data)
{
outb(reg, gus->gf1.reg_regsel);
mb();
outb(data, gus->gf1.reg_data8);
mb();
}
static inline unsigned char __snd_gf1_look8(struct snd_gus_card * gus,
unsigned char reg)
{
outb(reg, gus->gf1.reg_regsel);
mb();
return inb(gus->gf1.reg_data8);
}
static inline void __snd_gf1_write16(struct snd_gus_card * gus,
unsigned char reg, unsigned int data)
{
outb(reg, gus->gf1.reg_regsel);
mb();
outw((unsigned short) data, gus->gf1.reg_data16);
mb();
}
static inline unsigned short __snd_gf1_look16(struct snd_gus_card * gus,
unsigned char reg)
{
outb(reg, gus->gf1.reg_regsel);
mb();
return inw(gus->gf1.reg_data16);
}
static inline void __snd_gf1_adlib_write(struct snd_gus_card * gus,
unsigned char reg, unsigned char data)
{
outb(reg, gus->gf1.reg_timerctrl);
inb(gus->gf1.reg_timerctrl);
inb(gus->gf1.reg_timerctrl);
outb(data, gus->gf1.reg_timerdata);
inb(gus->gf1.reg_timerctrl);
inb(gus->gf1.reg_timerctrl);
}
static inline void __snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg,
unsigned int addr, int w_16bit)
{
if (gus->gf1.enh_mode) {
if (w_16bit)
addr = ((addr >> 1) & ~0x0000000f) | (addr & 0x0000000f);
__snd_gf1_write8(gus, SNDRV_GF1_VB_UPPER_ADDRESS, (unsigned char) ((addr >> 26) & 0x03));
} else if (w_16bit)
addr = (addr & 0x00c0000f) | ((addr & 0x003ffff0) >> 1);
__snd_gf1_write16(gus, reg, (unsigned short) (addr >> 11));
__snd_gf1_write16(gus, reg + 1, (unsigned short) (addr << 5));
}
static inline unsigned int __snd_gf1_read_addr(struct snd_gus_card * gus,
unsigned char reg, short w_16bit)
{
unsigned int res;
res = ((unsigned int) __snd_gf1_look16(gus, reg | 0x80) << 11) & 0xfff800;
res |= ((unsigned int) __snd_gf1_look16(gus, (reg + 1) | 0x80) >> 5) & 0x0007ff;
if (gus->gf1.enh_mode) {
res |= (unsigned int) __snd_gf1_look8(gus, SNDRV_GF1_VB_UPPER_ADDRESS | 0x80) << 26;
if (w_16bit)
res = ((res << 1) & 0xffffffe0) | (res & 0x0000000f);
} else if (w_16bit)
res = ((res & 0x001ffff0) << 1) | (res & 0x00c0000f);
return res;
}
/*
* =======================================================================
*/
void snd_gf1_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
{
__snd_gf1_ctrl_stop(gus, reg);
}
void snd_gf1_write8(struct snd_gus_card * gus,
unsigned char reg,
unsigned char data)
{
__snd_gf1_write8(gus, reg, data);
}
unsigned char snd_gf1_look8(struct snd_gus_card * gus, unsigned char reg)
{
return __snd_gf1_look8(gus, reg);
}
void snd_gf1_write16(struct snd_gus_card * gus,
unsigned char reg,
unsigned int data)
{
__snd_gf1_write16(gus, reg, data);
}
unsigned short snd_gf1_look16(struct snd_gus_card * gus, unsigned char reg)
{
return __snd_gf1_look16(gus, reg);
}
void snd_gf1_adlib_write(struct snd_gus_card * gus,
unsigned char reg,
unsigned char data)
{
__snd_gf1_adlib_write(gus, reg, data);
}
void snd_gf1_write_addr(struct snd_gus_card * gus, unsigned char reg,
unsigned int addr, short w_16bit)
{
__snd_gf1_write_addr(gus, reg, addr, w_16bit);
}
unsigned int snd_gf1_read_addr(struct snd_gus_card * gus,
unsigned char reg,
short w_16bit)
{
return __snd_gf1_read_addr(gus, reg, w_16bit);
}
/*
*/
void snd_gf1_i_ctrl_stop(struct snd_gus_card * gus, unsigned char reg)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
__snd_gf1_ctrl_stop(gus, reg);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
void snd_gf1_i_write8(struct snd_gus_card * gus,
unsigned char reg,
unsigned char data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
__snd_gf1_write8(gus, reg, data);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned char snd_gf1_i_look8(struct snd_gus_card * gus, unsigned char reg)
{
unsigned long flags;
unsigned char res;
spin_lock_irqsave(&gus->reg_lock, flags);
res = __snd_gf1_look8(gus, reg);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
}
void snd_gf1_i_write16(struct snd_gus_card * gus,
unsigned char reg,
unsigned int data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
__snd_gf1_write16(gus, reg, data);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned short snd_gf1_i_look16(struct snd_gus_card * gus, unsigned char reg)
{
unsigned long flags;
unsigned short res;
spin_lock_irqsave(&gus->reg_lock, flags);
res = __snd_gf1_look16(gus, reg);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
}
#if 0
void snd_gf1_i_adlib_write(struct snd_gus_card * gus,
unsigned char reg,
unsigned char data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
__snd_gf1_adlib_write(gus, reg, data);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
void snd_gf1_i_write_addr(struct snd_gus_card * gus, unsigned char reg,
unsigned int addr, short w_16bit)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
__snd_gf1_write_addr(gus, reg, addr, w_16bit);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
#endif /* 0 */
#ifdef CONFIG_SND_DEBUG
static unsigned int snd_gf1_i_read_addr(struct snd_gus_card * gus,
unsigned char reg, short w_16bit)
{
unsigned int res;
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
res = __snd_gf1_read_addr(gus, reg, w_16bit);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
}
#endif
/*
*/
void snd_gf1_dram_addr(struct snd_gus_card * gus, unsigned int addr)
{
outb(0x43, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
mb();
outb(0x44, gus->gf1.reg_regsel);
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
}
void snd_gf1_poke(struct snd_gus_card * gus, unsigned int addr, unsigned char data)
{
unsigned long flags;
spin_lock_irqsave(&gus->reg_lock, flags);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
mb();
outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
outb(data, gus->gf1.reg_dram);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned char snd_gf1_peek(struct snd_gus_card * gus, unsigned int addr)
{
unsigned long flags;
unsigned char res;
spin_lock_irqsave(&gus->reg_lock, flags);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
mb();
outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
res = inb(gus->gf1.reg_dram);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
}
#if 0
void snd_gf1_pokew(struct snd_gus_card * gus, unsigned int addr, unsigned short data)
{
unsigned long flags;
#ifdef CONFIG_SND_DEBUG
if (!gus->interwave)
snd_printk(KERN_DEBUG "snd_gf1_pokew - GF1!!!\n");
#endif
spin_lock_irqsave(&gus->reg_lock, flags);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
mb();
outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
mb();
outw(data, gus->gf1.reg_data16);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
unsigned short snd_gf1_peekw(struct snd_gus_card * gus, unsigned int addr)
{
unsigned long flags;
unsigned short res;
#ifdef CONFIG_SND_DEBUG
if (!gus->interwave)
snd_printk(KERN_DEBUG "snd_gf1_peekw - GF1!!!\n");
#endif
spin_lock_irqsave(&gus->reg_lock, flags);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
mb();
outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
mb();
res = inw(gus->gf1.reg_data16);
spin_unlock_irqrestore(&gus->reg_lock, flags);
return res;
}
void snd_gf1_dram_setmem(struct snd_gus_card * gus, unsigned int addr,
unsigned short value, unsigned int count)
{
unsigned long port;
unsigned long flags;
#ifdef CONFIG_SND_DEBUG
if (!gus->interwave)
snd_printk(KERN_DEBUG "snd_gf1_dram_setmem - GF1!!!\n");
#endif
addr &= ~1;
count >>= 1;
port = GUSP(gus, GF1DATALOW);
spin_lock_irqsave(&gus->reg_lock, flags);
outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel);
mb();
outw((unsigned short) addr, gus->gf1.reg_data16);
mb();
outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel);
mb();
outb((unsigned char) (addr >> 16), gus->gf1.reg_data8);
mb();
outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel);
while (count--)
outw(value, port);
spin_unlock_irqrestore(&gus->reg_lock, flags);
}
#endif /* 0 */
void snd_gf1_select_active_voices(struct snd_gus_card * gus)
{
unsigned short voices;
static unsigned short voices_tbl[32 - 14 + 1] =
{
44100, 41160, 38587, 36317, 34300, 32494, 30870, 29400, 28063, 26843,
25725, 24696, 23746, 22866, 22050, 21289, 20580, 19916, 19293
};
voices = gus->gf1.active_voices;
if (voices > 32)
voices = 32;
if (voices < 14)
voices = 14;
if (gus->gf1.enh_mode)
voices = 32;
gus->gf1.active_voices = voices;
gus->gf1.playback_freq =
gus->gf1.enh_mode ? 44100 : voices_tbl[voices - 14];
if (!gus->gf1.enh_mode) {
snd_gf1_i_write8(gus, SNDRV_GF1_GB_ACTIVE_VOICES, 0xc0 | (voices - 1));
udelay(100);
}
}
#ifdef CONFIG_SND_DEBUG
void snd_gf1_print_voice_registers(struct snd_gus_card * gus)
{
unsigned char mode;
int voice, ctrl;
voice = gus->gf1.active_voice;
printk(KERN_INFO " -%i- GF1 voice ctrl, ramp ctrl = 0x%x, 0x%x\n", voice, ctrl = snd_gf1_i_read8(gus, 0), snd_gf1_i_read8(gus, 0x0d));
printk(KERN_INFO " -%i- GF1 frequency = 0x%x\n", voice, snd_gf1_i_read16(gus, 1));
printk(KERN_INFO " -%i- GF1 loop start, end = 0x%x (0x%x), 0x%x (0x%x)\n", voice, snd_gf1_i_read_addr(gus, 2, ctrl & 4), snd_gf1_i_read_addr(gus, 2, (ctrl & 4) ^ 4), snd_gf1_i_read_addr(gus, 4, ctrl & 4), snd_gf1_i_read_addr(gus, 4, (ctrl & 4) ^ 4));
printk(KERN_INFO " -%i- GF1 ramp start, end, rate = 0x%x, 0x%x, 0x%x\n", voice, snd_gf1_i_read8(gus, 7), snd_gf1_i_read8(gus, 8), snd_gf1_i_read8(gus, 6));
printk(KERN_INFO" -%i- GF1 volume = 0x%x\n", voice, snd_gf1_i_read16(gus, 9));
printk(KERN_INFO " -%i- GF1 position = 0x%x (0x%x)\n", voice, snd_gf1_i_read_addr(gus, 0x0a, ctrl & 4), snd_gf1_i_read_addr(gus, 0x0a, (ctrl & 4) ^ 4));
if (gus->interwave && snd_gf1_i_read8(gus, 0x19) & 0x01) { /* enhanced mode */
mode = snd_gf1_i_read8(gus, 0x15);
printk(KERN_INFO " -%i- GFA1 mode = 0x%x\n", voice, mode);
if (mode & 0x01) { /* Effect processor */
printk(KERN_INFO " -%i- GFA1 effect address = 0x%x\n", voice, snd_gf1_i_read_addr(gus, 0x11, ctrl & 4));
printk(KERN_INFO " -%i- GFA1 effect volume = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x16));
printk(KERN_INFO " -%i- GFA1 effect volume final = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x1d));
printk(KERN_INFO " -%i- GFA1 effect acumulator = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x14));
}
if (mode & 0x20) {
printk(KERN_INFO " -%i- GFA1 left offset = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x13), snd_gf1_i_read16(gus, 0x13) >> 4);
printk(KERN_INFO " -%i- GFA1 left offset final = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1c), snd_gf1_i_read16(gus, 0x1c) >> 4);
printk(KERN_INFO " -%i- GFA1 right offset = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x0c), snd_gf1_i_read16(gus, 0x0c) >> 4);
printk(KERN_INFO " -%i- GFA1 right offset final = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1b), snd_gf1_i_read16(gus, 0x1b) >> 4);
} else
printk(KERN_INFO " -%i- GF1 pan = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
} else
printk(KERN_INFO " -%i- GF1 pan = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c));
}
#if 0
void snd_gf1_print_global_registers(struct snd_gus_card * gus)
{
unsigned char global_mode = 0x00;
printk(KERN_INFO " -G- GF1 active voices = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ACTIVE_VOICES));
if (gus->interwave) {
global_mode = snd_gf1_i_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE);
printk(KERN_INFO " -G- GF1 global mode = 0x%x\n", global_mode);
}
if (global_mode & 0x02) /* LFO enabled? */
printk(KERN_INFO " -G- GF1 LFO base = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_LFO_BASE));
printk(KERN_INFO " -G- GF1 voices IRQ read = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VOICES_IRQ_READ));
printk(KERN_INFO " -G- GF1 DRAM DMA control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL));
printk(KERN_INFO " -G- GF1 DRAM DMA high/low = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_HIGH), snd_gf1_i_read16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW));
printk(KERN_INFO " -G- GF1 DRAM IO high/low = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_IO_HIGH), snd_gf1_i_read16(gus, SNDRV_GF1_GW_DRAM_IO_LOW));
if (!gus->interwave)
printk(KERN_INFO " -G- GF1 record DMA control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL));
printk(KERN_INFO " -G- GF1 DRAM IO 16 = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_DRAM_IO16));
if (gus->gf1.enh_mode) {
printk(KERN_INFO " -G- GFA1 memory config = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG));
printk(KERN_INFO " -G- GFA1 memory control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MEMORY_CONTROL));
printk(KERN_INFO " -G- GFA1 FIFO record base = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR));
printk(KERN_INFO " -G- GFA1 FIFO playback base = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR));
printk(KERN_INFO " -G- GFA1 interleave control = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_INTERLEAVE));
}
}
void snd_gf1_print_setup_registers(struct snd_gus_card * gus)
{
printk(KERN_INFO " -S- mix control = 0x%x\n", inb(GUSP(gus, MIXCNTRLREG)));
printk(KERN_INFO " -S- IRQ status = 0x%x\n", inb(GUSP(gus, IRQSTAT)));
printk(KERN_INFO " -S- timer control = 0x%x\n", inb(GUSP(gus, TIMERCNTRL)));
printk(KERN_INFO " -S- timer data = 0x%x\n", inb(GUSP(gus, TIMERDATA)));
printk(KERN_INFO " -S- status read = 0x%x\n", inb(GUSP(gus, REGCNTRLS)));
printk(KERN_INFO " -S- Sound Blaster control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL));
printk(KERN_INFO " -S- AdLib timer 1/2 = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1), snd_gf1_i_look8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2));
printk(KERN_INFO " -S- reset = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET));
if (gus->interwave) {
printk(KERN_INFO " -S- compatibility = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_COMPATIBILITY));
printk(KERN_INFO " -S- decode control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DECODE_CONTROL));
printk(KERN_INFO " -S- version number = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER));
printk(KERN_INFO " -S- MPU-401 emul. control A/B = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A), snd_gf1_i_look8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B));
printk(KERN_INFO " -S- emulation IRQ = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_EMULATION_IRQ));
}
}
void snd_gf1_peek_print_block(struct snd_gus_card * gus, unsigned int addr, int count, int w_16bit)
{
if (!w_16bit) {
while (count-- > 0)
printk(count > 0 ? "%02x:" : "%02x", snd_gf1_peek(gus, addr++));
} else {
while (count-- > 0) {
printk(count > 0 ? "%04x:" : "%04x", snd_gf1_peek(gus, addr) | (snd_gf1_peek(gus, addr + 1) << 8));
addr += 2;
}
}
}
#endif /* 0 */
#endif