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linux/sound/isa/gus/gus_io.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

526 lines
17 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* I/O routines for GF1/InterWave synthesizer chips
*/
#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 accumulator = 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
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