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-rw-r--r--sound/isa/gus/Makefile25
-rw-r--r--sound/isa/gus/gus_dma.c236
-rw-r--r--sound/isa/gus/gus_dram.c87
-rw-r--r--sound/isa/gus/gus_io.c525
-rw-r--r--sound/isa/gus/gus_irq.c131
-rw-r--r--sound/isa/gus/gus_main.c459
-rw-r--r--sound/isa/gus/gus_mem.c337
-rw-r--r--sound/isa/gus/gus_mem_proc.c87
-rw-r--r--sound/isa/gus/gus_mixer.c177
-rw-r--r--sound/isa/gus/gus_pcm.c885
-rw-r--r--sound/isa/gus/gus_reset.c394
-rw-r--r--sound/isa/gus/gus_tables.h75
-rw-r--r--sound/isa/gus/gus_timer.c188
-rw-r--r--sound/isa/gus/gus_uart.c245
-rw-r--r--sound/isa/gus/gus_volume.c204
-rw-r--r--sound/isa/gus/gusclassic.c207
-rw-r--r--sound/isa/gus/gusextreme.c337
-rw-r--r--sound/isa/gus/gusmax.c344
-rw-r--r--sound/isa/gus/interwave-stb.c2
-rw-r--r--sound/isa/gus/interwave.c912
20 files changed, 5857 insertions, 0 deletions
diff --git a/sound/isa/gus/Makefile b/sound/isa/gus/Makefile
new file mode 100644
index 0000000000..c6f32ffd34
--- /dev/null
+++ b/sound/isa/gus/Makefile
@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for ALSA
+# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+#
+
+snd-gus-lib-objs := gus_main.o \
+ gus_io.o gus_irq.o gus_timer.o \
+ gus_mem.o gus_mem_proc.o gus_dram.o gus_dma.o gus_volume.o \
+ gus_pcm.o gus_mixer.o \
+ gus_uart.o \
+ gus_reset.o
+
+snd-gusclassic-objs := gusclassic.o
+snd-gusextreme-objs := gusextreme.o
+snd-gusmax-objs := gusmax.o
+snd-interwave-objs := interwave.o
+snd-interwave-stb-objs := interwave-stb.o
+
+# Toplevel Module Dependency
+obj-$(CONFIG_SND_GUSCLASSIC) += snd-gusclassic.o snd-gus-lib.o
+obj-$(CONFIG_SND_GUSMAX) += snd-gusmax.o snd-gus-lib.o
+obj-$(CONFIG_SND_GUSEXTREME) += snd-gusextreme.o snd-gus-lib.o
+obj-$(CONFIG_SND_INTERWAVE) += snd-interwave.o snd-gus-lib.o
+obj-$(CONFIG_SND_INTERWAVE_STB) += snd-interwave-stb.o snd-gus-lib.o
diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c
new file mode 100644
index 0000000000..6d664dd8dd
--- /dev/null
+++ b/sound/isa/gus/gus_dma.c
@@ -0,0 +1,236 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for GF1 DMA control
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <asm/dma.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+
+static void snd_gf1_dma_ack(struct snd_gus_card * gus)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL, 0x00);
+ snd_gf1_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+}
+
+static void snd_gf1_dma_program(struct snd_gus_card * gus,
+ unsigned int addr,
+ unsigned long buf_addr,
+ unsigned int count,
+ unsigned int cmd)
+{
+ unsigned long flags;
+ unsigned int address;
+ unsigned char dma_cmd;
+ unsigned int address_high;
+
+ snd_printdd("dma_transfer: addr=0x%x, buf=0x%lx, count=0x%x\n",
+ addr, buf_addr, count);
+
+ if (gus->gf1.dma1 > 3) {
+ if (gus->gf1.enh_mode) {
+ address = addr >> 1;
+ } else {
+ if (addr & 0x1f) {
+ snd_printd("snd_gf1_dma_transfer: unaligned address (0x%x)?\n", addr);
+ return;
+ }
+ address = (addr & 0x000c0000) | ((addr & 0x0003ffff) >> 1);
+ }
+ } else {
+ address = addr;
+ }
+
+ dma_cmd = SNDRV_GF1_DMA_ENABLE | (unsigned short) cmd;
+#if 0
+ dma_cmd |= 0x08;
+#endif
+ if (dma_cmd & SNDRV_GF1_DMA_16BIT) {
+ count++;
+ count &= ~1; /* align */
+ }
+ if (gus->gf1.dma1 > 3) {
+ dma_cmd |= SNDRV_GF1_DMA_WIDTH16;
+ count++;
+ count &= ~1; /* align */
+ }
+ snd_gf1_dma_ack(gus);
+ snd_dma_program(gus->gf1.dma1, buf_addr, count, dma_cmd & SNDRV_GF1_DMA_READ ? DMA_MODE_READ : DMA_MODE_WRITE);
+#if 0
+ snd_printk(KERN_DEBUG "address = 0x%x, count = 0x%x, dma_cmd = 0x%x\n",
+ address << 1, count, dma_cmd);
+#endif
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ if (gus->gf1.enh_mode) {
+ address_high = ((address >> 16) & 0x000000f0) | (address & 0x0000000f);
+ snd_gf1_write16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW, (unsigned short) (address >> 4));
+ snd_gf1_write8(gus, SNDRV_GF1_GB_DRAM_DMA_HIGH, (unsigned char) address_high);
+ } else
+ snd_gf1_write16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW, (unsigned short) (address >> 4));
+ snd_gf1_write8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL, dma_cmd);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+}
+
+static struct snd_gf1_dma_block *snd_gf1_dma_next_block(struct snd_gus_card * gus)
+{
+ struct snd_gf1_dma_block *block;
+
+ /* PCM block have bigger priority than synthesizer one */
+ if (gus->gf1.dma_data_pcm) {
+ block = gus->gf1.dma_data_pcm;
+ if (gus->gf1.dma_data_pcm_last == block) {
+ gus->gf1.dma_data_pcm =
+ gus->gf1.dma_data_pcm_last = NULL;
+ } else {
+ gus->gf1.dma_data_pcm = block->next;
+ }
+ } else if (gus->gf1.dma_data_synth) {
+ block = gus->gf1.dma_data_synth;
+ if (gus->gf1.dma_data_synth_last == block) {
+ gus->gf1.dma_data_synth =
+ gus->gf1.dma_data_synth_last = NULL;
+ } else {
+ gus->gf1.dma_data_synth = block->next;
+ }
+ } else {
+ block = NULL;
+ }
+ if (block) {
+ gus->gf1.dma_ack = block->ack;
+ gus->gf1.dma_private_data = block->private_data;
+ }
+ return block;
+}
+
+
+static void snd_gf1_dma_interrupt(struct snd_gus_card * gus)
+{
+ struct snd_gf1_dma_block *block;
+
+ snd_gf1_dma_ack(gus);
+ if (gus->gf1.dma_ack)
+ gus->gf1.dma_ack(gus, gus->gf1.dma_private_data);
+ spin_lock(&gus->dma_lock);
+ if (gus->gf1.dma_data_pcm == NULL &&
+ gus->gf1.dma_data_synth == NULL) {
+ gus->gf1.dma_ack = NULL;
+ gus->gf1.dma_flags &= ~SNDRV_GF1_DMA_TRIGGER;
+ spin_unlock(&gus->dma_lock);
+ return;
+ }
+ block = snd_gf1_dma_next_block(gus);
+ spin_unlock(&gus->dma_lock);
+ if (!block)
+ return;
+ snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
+ kfree(block);
+#if 0
+ snd_printd(KERN_DEBUG "program dma (IRQ) - "
+ "addr = 0x%x, buffer = 0x%lx, count = 0x%x, cmd = 0x%x\n",
+ block->addr, block->buf_addr, block->count, block->cmd);
+#endif
+}
+
+int snd_gf1_dma_init(struct snd_gus_card * gus)
+{
+ mutex_lock(&gus->dma_mutex);
+ gus->gf1.dma_shared++;
+ if (gus->gf1.dma_shared > 1) {
+ mutex_unlock(&gus->dma_mutex);
+ return 0;
+ }
+ gus->gf1.interrupt_handler_dma_write = snd_gf1_dma_interrupt;
+ gus->gf1.dma_data_pcm =
+ gus->gf1.dma_data_pcm_last =
+ gus->gf1.dma_data_synth =
+ gus->gf1.dma_data_synth_last = NULL;
+ mutex_unlock(&gus->dma_mutex);
+ return 0;
+}
+
+int snd_gf1_dma_done(struct snd_gus_card * gus)
+{
+ struct snd_gf1_dma_block *block;
+
+ mutex_lock(&gus->dma_mutex);
+ gus->gf1.dma_shared--;
+ if (!gus->gf1.dma_shared) {
+ snd_dma_disable(gus->gf1.dma1);
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_DMA_WRITE);
+ snd_gf1_dma_ack(gus);
+ while ((block = gus->gf1.dma_data_pcm)) {
+ gus->gf1.dma_data_pcm = block->next;
+ kfree(block);
+ }
+ while ((block = gus->gf1.dma_data_synth)) {
+ gus->gf1.dma_data_synth = block->next;
+ kfree(block);
+ }
+ gus->gf1.dma_data_pcm_last =
+ gus->gf1.dma_data_synth_last = NULL;
+ }
+ mutex_unlock(&gus->dma_mutex);
+ return 0;
+}
+
+int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
+ struct snd_gf1_dma_block * __block,
+ int atomic,
+ int synth)
+{
+ unsigned long flags;
+ struct snd_gf1_dma_block *block;
+
+ block = kmalloc(sizeof(*block), atomic ? GFP_ATOMIC : GFP_KERNEL);
+ if (!block)
+ return -ENOMEM;
+
+ *block = *__block;
+ block->next = NULL;
+
+ snd_printdd("addr = 0x%x, buffer = 0x%lx, count = 0x%x, cmd = 0x%x\n",
+ block->addr, (long) block->buffer, block->count,
+ block->cmd);
+
+ snd_printdd("gus->gf1.dma_data_pcm_last = 0x%lx\n",
+ (long)gus->gf1.dma_data_pcm_last);
+ snd_printdd("gus->gf1.dma_data_pcm = 0x%lx\n",
+ (long)gus->gf1.dma_data_pcm);
+
+ spin_lock_irqsave(&gus->dma_lock, flags);
+ if (synth) {
+ if (gus->gf1.dma_data_synth_last) {
+ gus->gf1.dma_data_synth_last->next = block;
+ gus->gf1.dma_data_synth_last = block;
+ } else {
+ gus->gf1.dma_data_synth =
+ gus->gf1.dma_data_synth_last = block;
+ }
+ } else {
+ if (gus->gf1.dma_data_pcm_last) {
+ gus->gf1.dma_data_pcm_last->next = block;
+ gus->gf1.dma_data_pcm_last = block;
+ } else {
+ gus->gf1.dma_data_pcm =
+ gus->gf1.dma_data_pcm_last = block;
+ }
+ }
+ if (!(gus->gf1.dma_flags & SNDRV_GF1_DMA_TRIGGER)) {
+ gus->gf1.dma_flags |= SNDRV_GF1_DMA_TRIGGER;
+ block = snd_gf1_dma_next_block(gus);
+ spin_unlock_irqrestore(&gus->dma_lock, flags);
+ if (block == NULL)
+ return 0;
+ snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd);
+ kfree(block);
+ return 0;
+ }
+ spin_unlock_irqrestore(&gus->dma_lock, flags);
+ return 0;
+}
diff --git a/sound/isa/gus/gus_dram.c b/sound/isa/gus/gus_dram.c
new file mode 100644
index 0000000000..5cebc0119d
--- /dev/null
+++ b/sound/isa/gus/gus_dram.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * DRAM access routines
+ */
+
+#include <linux/time.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/info.h>
+
+
+static int snd_gus_dram_poke(struct snd_gus_card *gus, char __user *_buffer,
+ unsigned int address, unsigned int size)
+{
+ unsigned long flags;
+ unsigned int size1, size2;
+ char buffer[256], *pbuffer;
+
+ while (size > 0) {
+ size1 = size > sizeof(buffer) ? sizeof(buffer) : size;
+ if (copy_from_user(buffer, _buffer, size1))
+ return -EFAULT;
+ if (gus->interwave) {
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
+ snd_gf1_dram_addr(gus, address);
+ outsb(GUSP(gus, DRAM), buffer, size1);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ address += size1;
+ } else {
+ pbuffer = buffer;
+ size2 = size1;
+ while (size2--)
+ snd_gf1_poke(gus, address++, *pbuffer++);
+ }
+ size -= size1;
+ _buffer += size1;
+ }
+ return 0;
+}
+
+
+int snd_gus_dram_write(struct snd_gus_card *gus, char __user *buffer,
+ unsigned int address, unsigned int size)
+{
+ return snd_gus_dram_poke(gus, buffer, address, size);
+}
+
+static int snd_gus_dram_peek(struct snd_gus_card *gus, char __user *_buffer,
+ unsigned int address, unsigned int size,
+ int rom)
+{
+ unsigned long flags;
+ unsigned int size1, size2;
+ char buffer[256], *pbuffer;
+
+ while (size > 0) {
+ size1 = size > sizeof(buffer) ? sizeof(buffer) : size;
+ if (gus->interwave) {
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, rom ? 0x03 : 0x01);
+ snd_gf1_dram_addr(gus, address);
+ insb(GUSP(gus, DRAM), buffer, size1);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ address += size1;
+ } else {
+ pbuffer = buffer;
+ size2 = size1;
+ while (size2--)
+ *pbuffer++ = snd_gf1_peek(gus, address++);
+ }
+ if (copy_to_user(_buffer, buffer, size1))
+ return -EFAULT;
+ size -= size1;
+ _buffer += size1;
+ }
+ return 0;
+}
+
+int snd_gus_dram_read(struct snd_gus_card *gus, char __user *buffer,
+ unsigned int address, unsigned int size,
+ int rom)
+{
+ return snd_gus_dram_peek(gus, buffer, address, size, rom);
+}
diff --git a/sound/isa/gus/gus_io.c b/sound/isa/gus/gus_io.c
new file mode 100644
index 0000000000..fb7b5e2636
--- /dev/null
+++ b/sound/isa/gus/gus_io.c
@@ -0,0 +1,525 @@
+// 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 const 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
diff --git a/sound/isa/gus/gus_irq.c b/sound/isa/gus/gus_irq.c
new file mode 100644
index 0000000000..226b8438aa
--- /dev/null
+++ b/sound/isa/gus/gus_irq.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routine for IRQ handling from GF1/InterWave chip
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/gus.h>
+
+#ifdef CONFIG_SND_DEBUG
+#define STAT_ADD(x) ((x)++)
+#else
+#define STAT_ADD(x) while (0) { ; }
+#endif
+
+irqreturn_t snd_gus_interrupt(int irq, void *dev_id)
+{
+ struct snd_gus_card * gus = dev_id;
+ unsigned char status;
+ int loop = 100;
+ int handled = 0;
+
+__again:
+ status = inb(gus->gf1.reg_irqstat);
+ if (status == 0)
+ return IRQ_RETVAL(handled);
+ handled = 1;
+ /* snd_printk(KERN_DEBUG "IRQ: status = 0x%x\n", status); */
+ if (status & 0x02) {
+ STAT_ADD(gus->gf1.interrupt_stat_midi_in);
+ if (gus->gf1.interrupt_handler_midi_in)
+ gus->gf1.interrupt_handler_midi_in(gus);
+ }
+ if (status & 0x01) {
+ STAT_ADD(gus->gf1.interrupt_stat_midi_out);
+ if (gus->gf1.interrupt_handler_midi_out)
+ gus->gf1.interrupt_handler_midi_out(gus);
+ }
+ if (status & (0x20 | 0x40)) {
+ unsigned int already, _current_;
+ unsigned char voice_status, voice;
+ struct snd_gus_voice *pvoice;
+
+ already = 0;
+ while (((voice_status = snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ)) & 0xc0) != 0xc0) {
+ voice = voice_status & 0x1f;
+ _current_ = 1 << voice;
+ if (already & _current_)
+ continue; /* multi request */
+ already |= _current_; /* mark request */
+#if 0
+ printk(KERN_DEBUG "voice = %i, voice_status = 0x%x, "
+ "voice_verify = %i\n",
+ voice, voice_status, inb(GUSP(gus, GF1PAGE)));
+#endif
+ pvoice = &gus->gf1.voices[voice];
+ if (pvoice->use) {
+ if (!(voice_status & 0x80)) { /* voice position IRQ */
+ STAT_ADD(pvoice->interrupt_stat_wave);
+ pvoice->handler_wave(gus, pvoice);
+ }
+ if (!(voice_status & 0x40)) { /* volume ramp IRQ */
+ STAT_ADD(pvoice->interrupt_stat_volume);
+ pvoice->handler_volume(gus, pvoice);
+ }
+ } else {
+ STAT_ADD(gus->gf1.interrupt_stat_voice_lost);
+ snd_gf1_i_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
+ snd_gf1_i_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
+ }
+ }
+ }
+ if (status & 0x04) {
+ STAT_ADD(gus->gf1.interrupt_stat_timer1);
+ if (gus->gf1.interrupt_handler_timer1)
+ gus->gf1.interrupt_handler_timer1(gus);
+ }
+ if (status & 0x08) {
+ STAT_ADD(gus->gf1.interrupt_stat_timer2);
+ if (gus->gf1.interrupt_handler_timer2)
+ gus->gf1.interrupt_handler_timer2(gus);
+ }
+ if (status & 0x80) {
+ if (snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL) & 0x40) {
+ STAT_ADD(gus->gf1.interrupt_stat_dma_write);
+ if (gus->gf1.interrupt_handler_dma_write)
+ gus->gf1.interrupt_handler_dma_write(gus);
+ }
+ if (snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL) & 0x40) {
+ STAT_ADD(gus->gf1.interrupt_stat_dma_read);
+ if (gus->gf1.interrupt_handler_dma_read)
+ gus->gf1.interrupt_handler_dma_read(gus);
+ }
+ }
+ if (--loop > 0)
+ goto __again;
+ return IRQ_NONE;
+}
+
+#ifdef CONFIG_SND_DEBUG
+static void snd_gus_irq_info_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_gus_card *gus;
+ struct snd_gus_voice *pvoice;
+ int idx;
+
+ gus = entry->private_data;
+ snd_iprintf(buffer, "midi out = %u\n", gus->gf1.interrupt_stat_midi_out);
+ snd_iprintf(buffer, "midi in = %u\n", gus->gf1.interrupt_stat_midi_in);
+ snd_iprintf(buffer, "timer1 = %u\n", gus->gf1.interrupt_stat_timer1);
+ snd_iprintf(buffer, "timer2 = %u\n", gus->gf1.interrupt_stat_timer2);
+ snd_iprintf(buffer, "dma write = %u\n", gus->gf1.interrupt_stat_dma_write);
+ snd_iprintf(buffer, "dma read = %u\n", gus->gf1.interrupt_stat_dma_read);
+ snd_iprintf(buffer, "voice lost = %u\n", gus->gf1.interrupt_stat_voice_lost);
+ for (idx = 0; idx < 32; idx++) {
+ pvoice = &gus->gf1.voices[idx];
+ snd_iprintf(buffer, "voice %i: wave = %u, volume = %u\n",
+ idx,
+ pvoice->interrupt_stat_wave,
+ pvoice->interrupt_stat_volume);
+ }
+}
+
+void snd_gus_irq_profile_init(struct snd_gus_card *gus)
+{
+ snd_card_ro_proc_new(gus->card, "gusirq", gus, snd_gus_irq_info_read);
+}
+
+#endif
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c
new file mode 100644
index 0000000000..3b46490271
--- /dev/null
+++ b/sound/isa/gus/gus_main.c
@@ -0,0 +1,459 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for Gravis UltraSound soundcards
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/control.h>
+
+#include <asm/dma.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
+MODULE_LICENSE("GPL");
+
+static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches);
+
+int snd_gus_use_inc(struct snd_gus_card * gus)
+{
+ if (!try_module_get(gus->card->module))
+ return 0;
+ return 1;
+}
+
+void snd_gus_use_dec(struct snd_gus_card * gus)
+{
+ module_put(gus->card->module);
+}
+
+static int snd_gus_joystick_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 31;
+ return 0;
+}
+
+static int snd_gus_joystick_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
+ return 0;
+}
+
+static int snd_gus_joystick_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+ int change;
+ unsigned char nval;
+
+ nval = ucontrol->value.integer.value[0] & 31;
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ change = gus->joystick_dac != nval;
+ gus->joystick_dac = nval;
+ snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return change;
+}
+
+static const struct snd_kcontrol_new snd_gus_joystick_control = {
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .name = "Joystick Speed",
+ .info = snd_gus_joystick_info,
+ .get = snd_gus_joystick_get,
+ .put = snd_gus_joystick_put
+};
+
+static void snd_gus_init_control(struct snd_gus_card *gus)
+{
+ if (!gus->ace_flag)
+ snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
+}
+
+/*
+ *
+ */
+
+static int snd_gus_free(struct snd_gus_card *gus)
+{
+ if (gus->gf1.res_port2 == NULL)
+ goto __hw_end;
+ snd_gf1_stop(gus);
+ snd_gus_init_dma_irq(gus, 0);
+ __hw_end:
+ release_and_free_resource(gus->gf1.res_port1);
+ release_and_free_resource(gus->gf1.res_port2);
+ if (gus->gf1.irq >= 0)
+ free_irq(gus->gf1.irq, (void *) gus);
+ if (gus->gf1.dma1 >= 0) {
+ disable_dma(gus->gf1.dma1);
+ free_dma(gus->gf1.dma1);
+ }
+ if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
+ disable_dma(gus->gf1.dma2);
+ free_dma(gus->gf1.dma2);
+ }
+ kfree(gus);
+ return 0;
+}
+
+static int snd_gus_dev_free(struct snd_device *device)
+{
+ struct snd_gus_card *gus = device->device_data;
+ return snd_gus_free(gus);
+}
+
+int snd_gus_create(struct snd_card *card,
+ unsigned long port,
+ int irq, int dma1, int dma2,
+ int timer_dev,
+ int voices,
+ int pcm_channels,
+ int effect,
+ struct snd_gus_card **rgus)
+{
+ struct snd_gus_card *gus;
+ int err;
+ static const struct snd_device_ops ops = {
+ .dev_free = snd_gus_dev_free,
+ };
+
+ *rgus = NULL;
+ gus = kzalloc(sizeof(*gus), GFP_KERNEL);
+ if (gus == NULL)
+ return -ENOMEM;
+ spin_lock_init(&gus->reg_lock);
+ spin_lock_init(&gus->voice_alloc);
+ spin_lock_init(&gus->active_voice_lock);
+ spin_lock_init(&gus->event_lock);
+ spin_lock_init(&gus->dma_lock);
+ spin_lock_init(&gus->pcm_volume_level_lock);
+ spin_lock_init(&gus->uart_cmd_lock);
+ mutex_init(&gus->dma_mutex);
+ gus->gf1.irq = -1;
+ gus->gf1.dma1 = -1;
+ gus->gf1.dma2 = -1;
+ gus->card = card;
+ gus->gf1.port = port;
+ /* fill register variables for speedup */
+ gus->gf1.reg_page = GUSP(gus, GF1PAGE);
+ gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
+ gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
+ gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
+ gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
+ gus->gf1.reg_dram = GUSP(gus, DRAM);
+ gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
+ gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
+ /* allocate resources */
+ gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)");
+ if (!gus->gf1.res_port1) {
+ snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
+ snd_gus_free(gus);
+ return -EBUSY;
+ }
+ gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)");
+ if (!gus->gf1.res_port2) {
+ snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
+ snd_gus_free(gus);
+ return -EBUSY;
+ }
+ if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) {
+ snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
+ snd_gus_free(gus);
+ return -EBUSY;
+ }
+ gus->gf1.irq = irq;
+ card->sync_irq = irq;
+ if (request_dma(dma1, "GUS - 1")) {
+ snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
+ snd_gus_free(gus);
+ return -EBUSY;
+ }
+ gus->gf1.dma1 = dma1;
+ if (dma2 >= 0 && dma1 != dma2) {
+ if (request_dma(dma2, "GUS - 2")) {
+ snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
+ snd_gus_free(gus);
+ return -EBUSY;
+ }
+ gus->gf1.dma2 = dma2;
+ } else {
+ gus->gf1.dma2 = gus->gf1.dma1;
+ gus->equal_dma = 1;
+ }
+ gus->timer_dev = timer_dev;
+ if (voices < 14)
+ voices = 14;
+ if (voices > 32)
+ voices = 32;
+ if (pcm_channels < 0)
+ pcm_channels = 0;
+ if (pcm_channels > 8)
+ pcm_channels = 8;
+ pcm_channels++;
+ pcm_channels &= ~1;
+ gus->gf1.effect = effect ? 1 : 0;
+ gus->gf1.active_voices = voices;
+ gus->gf1.pcm_channels = pcm_channels;
+ gus->gf1.volume_ramp = 25;
+ gus->gf1.smooth_pan = 1;
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops);
+ if (err < 0) {
+ snd_gus_free(gus);
+ return err;
+ }
+ *rgus = gus;
+ return 0;
+}
+
+/*
+ * Memory detection routine for plain GF1 soundcards
+ */
+
+static int snd_gus_detect_memory(struct snd_gus_card * gus)
+{
+ int l, idx, local;
+ unsigned char d;
+
+ snd_gf1_poke(gus, 0L, 0xaa);
+ snd_gf1_poke(gus, 1L, 0x55);
+ if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
+ snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
+ return -ENOMEM;
+ }
+ for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
+ local = idx << 18;
+ snd_gf1_poke(gus, local, d);
+ snd_gf1_poke(gus, local + 1, d + 1);
+ if (snd_gf1_peek(gus, local) != d ||
+ snd_gf1_peek(gus, local + 1) != d + 1 ||
+ snd_gf1_peek(gus, 0L) != 0xaa)
+ break;
+ }
+#if 1
+ gus->gf1.memory = idx << 18;
+#else
+ gus->gf1.memory = 256 * 1024;
+#endif
+ for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
+ gus->gf1.mem_alloc.banks_8[l].address =
+ gus->gf1.mem_alloc.banks_8[l].size = 0;
+ gus->gf1.mem_alloc.banks_16[l].address = l << 18;
+ gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
+ }
+ gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
+ return 0; /* some memory were detected */
+}
+
+static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches)
+{
+ struct snd_card *card;
+ unsigned long flags;
+ int irq, dma1, dma2;
+ static const unsigned char irqs[16] =
+ {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
+ static const unsigned char dmas[8] =
+ {6, 1, 0, 2, 0, 3, 4, 5};
+
+ if (snd_BUG_ON(!gus))
+ return -EINVAL;
+ card = gus->card;
+ if (snd_BUG_ON(!card))
+ return -EINVAL;
+
+ gus->mix_cntrl_reg &= 0xf8;
+ gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */
+ if (gus->codec_flag || gus->ess_flag) {
+ gus->mix_cntrl_reg &= ~1; /* enable LINE IN */
+ gus->mix_cntrl_reg |= 4; /* enable MIC */
+ }
+ dma1 = gus->gf1.dma1;
+ dma1 = abs(dma1);
+ dma1 = dmas[dma1 & 7];
+ dma2 = gus->gf1.dma2;
+ dma2 = abs(dma2);
+ dma2 = dmas[dma2 & 7];
+ dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
+
+ if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
+ snd_printk(KERN_ERR "Error! DMA isn't defined.\n");
+ return -EINVAL;
+ }
+ irq = gus->gf1.irq;
+ irq = abs(irq);
+ irq = irqs[irq & 0x0f];
+ if (irq == 0) {
+ snd_printk(KERN_ERR "Error! IRQ isn't defined.\n");
+ return -EINVAL;
+ }
+ irq |= 0x40;
+#if 0
+ card->mixer.mix_ctrl_reg |= 0x10;
+#endif
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ outb(5, GUSP(gus, REGCNTRLS));
+ outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ outb(0x00, GUSP(gus, IRQDMACNTRLREG));
+ outb(0, GUSP(gus, REGCNTRLS));
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+
+ udelay(100);
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ outb(dma1, GUSP(gus, IRQDMACNTRLREG));
+ if (latches) {
+ outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ outb(irq, GUSP(gus, IRQDMACNTRLREG));
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+
+ udelay(100);
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ outb(dma1, GUSP(gus, IRQDMACNTRLREG));
+ if (latches) {
+ outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ outb(irq, GUSP(gus, IRQDMACNTRLREG));
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+
+ snd_gf1_delay(gus);
+
+ if (latches)
+ gus->mix_cntrl_reg |= 0x08; /* enable latches */
+ else
+ gus->mix_cntrl_reg &= ~0x08; /* disable latches */
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ outb(0, GUSP(gus, GF1PAGE));
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+
+ return 0;
+}
+
+static int snd_gus_check_version(struct snd_gus_card * gus)
+{
+ unsigned long flags;
+ unsigned char val, rev;
+ struct snd_card *card;
+
+ card = gus->card;
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ outb(0x20, GUSP(gus, REGCNTRLS));
+ val = inb(GUSP(gus, REGCNTRLS));
+ rev = inb(GUSP(gus, BOARDVERSION));
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
+ strcpy(card->driver, "GUS");
+ strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
+ if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
+ if (rev >= 5 && rev <= 9) {
+ gus->ics_flag = 1;
+ if (rev == 5)
+ gus->ics_flipped = 1;
+ card->longname[27] = '3';
+ card->longname[29] = rev == 5 ? '5' : '7';
+ }
+ if (rev >= 10 && rev != 255) {
+ if (rev >= 10 && rev <= 11) {
+ strcpy(card->driver, "GUS MAX");
+ strcpy(card->longname, "Gravis UltraSound MAX");
+ gus->max_flag = 1;
+ } else if (rev == 0x30) {
+ strcpy(card->driver, "GUS ACE");
+ strcpy(card->longname, "Gravis UltraSound Ace");
+ gus->ace_flag = 1;
+ } else if (rev == 0x50) {
+ strcpy(card->driver, "GUS Extreme");
+ strcpy(card->longname, "Gravis UltraSound Extreme");
+ gus->ess_flag = 1;
+ } else {
+ snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
+ snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n");
+ }
+ }
+ }
+ strscpy(card->shortname, card->longname, sizeof(card->shortname));
+ gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */
+ snd_gus_init_control(gus);
+ return 0;
+}
+
+int snd_gus_initialize(struct snd_gus_card *gus)
+{
+ int err;
+
+ if (!gus->interwave) {
+ err = snd_gus_check_version(gus);
+ if (err < 0) {
+ snd_printk(KERN_ERR "version check failed\n");
+ return err;
+ }
+ err = snd_gus_detect_memory(gus);
+ if (err < 0)
+ return err;
+ }
+ err = snd_gus_init_dma_irq(gus, 1);
+ if (err < 0)
+ return err;
+ snd_gf1_start(gus);
+ gus->initialized = 1;
+ return 0;
+}
+
+ /* gus_io.c */
+EXPORT_SYMBOL(snd_gf1_delay);
+EXPORT_SYMBOL(snd_gf1_write8);
+EXPORT_SYMBOL(snd_gf1_look8);
+EXPORT_SYMBOL(snd_gf1_write16);
+EXPORT_SYMBOL(snd_gf1_look16);
+EXPORT_SYMBOL(snd_gf1_i_write8);
+EXPORT_SYMBOL(snd_gf1_i_look8);
+EXPORT_SYMBOL(snd_gf1_i_look16);
+EXPORT_SYMBOL(snd_gf1_dram_addr);
+EXPORT_SYMBOL(snd_gf1_write_addr);
+EXPORT_SYMBOL(snd_gf1_poke);
+EXPORT_SYMBOL(snd_gf1_peek);
+ /* gus_reset.c */
+EXPORT_SYMBOL(snd_gf1_alloc_voice);
+EXPORT_SYMBOL(snd_gf1_free_voice);
+EXPORT_SYMBOL(snd_gf1_ctrl_stop);
+EXPORT_SYMBOL(snd_gf1_stop_voice);
+ /* gus_mixer.c */
+EXPORT_SYMBOL(snd_gf1_new_mixer);
+ /* gus_pcm.c */
+EXPORT_SYMBOL(snd_gf1_pcm_new);
+ /* gus.c */
+EXPORT_SYMBOL(snd_gus_use_inc);
+EXPORT_SYMBOL(snd_gus_use_dec);
+EXPORT_SYMBOL(snd_gus_create);
+EXPORT_SYMBOL(snd_gus_initialize);
+ /* gus_irq.c */
+EXPORT_SYMBOL(snd_gus_interrupt);
+ /* gus_uart.c */
+EXPORT_SYMBOL(snd_gf1_rawmidi_new);
+ /* gus_dram.c */
+EXPORT_SYMBOL(snd_gus_dram_write);
+EXPORT_SYMBOL(snd_gus_dram_read);
+ /* gus_volume.c */
+EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
+EXPORT_SYMBOL(snd_gf1_translate_freq);
+ /* gus_mem.c */
+EXPORT_SYMBOL(snd_gf1_mem_alloc);
+EXPORT_SYMBOL(snd_gf1_mem_xfree);
+EXPORT_SYMBOL(snd_gf1_mem_free);
+EXPORT_SYMBOL(snd_gf1_mem_lock);
diff --git a/sound/isa/gus/gus_mem.c b/sound/isa/gus/gus_mem.c
new file mode 100644
index 0000000000..3e56c01c45
--- /dev/null
+++ b/sound/isa/gus/gus_mem.c
@@ -0,0 +1,337 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * GUS's memory allocation routines / bottom layer
+ */
+
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/info.h>
+
+#ifdef CONFIG_SND_DEBUG
+static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer);
+#endif
+
+void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup)
+{
+ if (!xup) {
+ mutex_lock(&alloc->memory_mutex);
+ } else {
+ mutex_unlock(&alloc->memory_mutex);
+ }
+}
+
+static struct snd_gf1_mem_block *
+snd_gf1_mem_xalloc(struct snd_gf1_mem *alloc, struct snd_gf1_mem_block *block,
+ const char *name)
+{
+ struct snd_gf1_mem_block *pblock, *nblock;
+
+ nblock = kmalloc(sizeof(struct snd_gf1_mem_block), GFP_KERNEL);
+ if (nblock == NULL)
+ return NULL;
+ *nblock = *block;
+ nblock->name = kstrdup(name, GFP_KERNEL);
+ if (!nblock->name) {
+ kfree(nblock);
+ return NULL;
+ }
+
+ pblock = alloc->first;
+ while (pblock) {
+ if (pblock->ptr > nblock->ptr) {
+ nblock->prev = pblock->prev;
+ nblock->next = pblock;
+ pblock->prev = nblock;
+ if (pblock == alloc->first)
+ alloc->first = nblock;
+ else
+ nblock->prev->next = nblock;
+ mutex_unlock(&alloc->memory_mutex);
+ return nblock;
+ }
+ pblock = pblock->next;
+ }
+ nblock->next = NULL;
+ if (alloc->last == NULL) {
+ nblock->prev = NULL;
+ alloc->first = alloc->last = nblock;
+ } else {
+ nblock->prev = alloc->last;
+ alloc->last->next = nblock;
+ alloc->last = nblock;
+ }
+ return nblock;
+}
+
+int snd_gf1_mem_xfree(struct snd_gf1_mem * alloc, struct snd_gf1_mem_block * block)
+{
+ if (block->share) { /* ok.. shared block */
+ block->share--;
+ mutex_unlock(&alloc->memory_mutex);
+ return 0;
+ }
+ if (alloc->first == block) {
+ alloc->first = block->next;
+ if (block->next)
+ block->next->prev = NULL;
+ } else {
+ block->prev->next = block->next;
+ if (block->next)
+ block->next->prev = block->prev;
+ }
+ if (alloc->last == block) {
+ alloc->last = block->prev;
+ if (block->prev)
+ block->prev->next = NULL;
+ } else {
+ block->next->prev = block->prev;
+ if (block->prev)
+ block->prev->next = block->next;
+ }
+ kfree(block->name);
+ kfree(block);
+ return 0;
+}
+
+static struct snd_gf1_mem_block *snd_gf1_mem_look(struct snd_gf1_mem * alloc,
+ unsigned int address)
+{
+ struct snd_gf1_mem_block *block;
+
+ for (block = alloc->first; block; block = block->next) {
+ if (block->ptr == address) {
+ return block;
+ }
+ }
+ return NULL;
+}
+
+static struct snd_gf1_mem_block *snd_gf1_mem_share(struct snd_gf1_mem * alloc,
+ unsigned int *share_id)
+{
+ struct snd_gf1_mem_block *block;
+
+ if (!share_id[0] && !share_id[1] &&
+ !share_id[2] && !share_id[3])
+ return NULL;
+ for (block = alloc->first; block; block = block->next)
+ if (!memcmp(share_id, block->share_id,
+ sizeof(block->share_id)))
+ return block;
+ return NULL;
+}
+
+static int snd_gf1_mem_find(struct snd_gf1_mem * alloc,
+ struct snd_gf1_mem_block * block,
+ unsigned int size, int w_16, int align)
+{
+ struct snd_gf1_bank_info *info = w_16 ? alloc->banks_16 : alloc->banks_8;
+ unsigned int idx, boundary;
+ int size1;
+ struct snd_gf1_mem_block *pblock;
+ unsigned int ptr1, ptr2;
+
+ if (w_16 && align < 2)
+ align = 2;
+ block->flags = w_16 ? SNDRV_GF1_MEM_BLOCK_16BIT : 0;
+ block->owner = SNDRV_GF1_MEM_OWNER_DRIVER;
+ block->share = 0;
+ block->share_id[0] = block->share_id[1] =
+ block->share_id[2] = block->share_id[3] = 0;
+ block->name = NULL;
+ block->prev = block->next = NULL;
+ for (pblock = alloc->first, idx = 0; pblock; pblock = pblock->next) {
+ while (pblock->ptr >= (boundary = info[idx].address + info[idx].size))
+ idx++;
+ while (pblock->ptr + pblock->size >= (boundary = info[idx].address + info[idx].size))
+ idx++;
+ ptr2 = boundary;
+ if (pblock->next) {
+ if (pblock->ptr + pblock->size == pblock->next->ptr)
+ continue;
+ if (pblock->next->ptr < boundary)
+ ptr2 = pblock->next->ptr;
+ }
+ ptr1 = ALIGN(pblock->ptr + pblock->size, align);
+ if (ptr1 >= ptr2)
+ continue;
+ size1 = ptr2 - ptr1;
+ if ((int)size <= size1) {
+ block->ptr = ptr1;
+ block->size = size;
+ return 0;
+ }
+ }
+ while (++idx < 4) {
+ if (size <= info[idx].size) {
+ /* I assume that bank address is already aligned.. */
+ block->ptr = info[idx].address;
+ block->size = size;
+ return 0;
+ }
+ }
+ return -ENOMEM;
+}
+
+struct snd_gf1_mem_block *snd_gf1_mem_alloc(struct snd_gf1_mem * alloc, int owner,
+ char *name, int size, int w_16, int align,
+ unsigned int *share_id)
+{
+ struct snd_gf1_mem_block block, *nblock;
+
+ snd_gf1_mem_lock(alloc, 0);
+ if (share_id != NULL) {
+ nblock = snd_gf1_mem_share(alloc, share_id);
+ if (nblock != NULL) {
+ if (size != (int)nblock->size) {
+ /* TODO: remove in the future */
+ snd_printk(KERN_ERR "snd_gf1_mem_alloc - share: sizes differ\n");
+ goto __std;
+ }
+ nblock->share++;
+ snd_gf1_mem_lock(alloc, 1);
+ return NULL;
+ }
+ }
+ __std:
+ if (snd_gf1_mem_find(alloc, &block, size, w_16, align) < 0) {
+ snd_gf1_mem_lock(alloc, 1);
+ return NULL;
+ }
+ if (share_id != NULL)
+ memcpy(&block.share_id, share_id, sizeof(block.share_id));
+ block.owner = owner;
+ nblock = snd_gf1_mem_xalloc(alloc, &block, name);
+ snd_gf1_mem_lock(alloc, 1);
+ return nblock;
+}
+
+int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address)
+{
+ int result;
+ struct snd_gf1_mem_block *block;
+
+ snd_gf1_mem_lock(alloc, 0);
+ block = snd_gf1_mem_look(alloc, address);
+ if (block) {
+ result = snd_gf1_mem_xfree(alloc, block);
+ snd_gf1_mem_lock(alloc, 1);
+ return result;
+ }
+ snd_gf1_mem_lock(alloc, 1);
+ return -EINVAL;
+}
+
+int snd_gf1_mem_init(struct snd_gus_card * gus)
+{
+ struct snd_gf1_mem *alloc;
+ struct snd_gf1_mem_block block;
+
+ alloc = &gus->gf1.mem_alloc;
+ mutex_init(&alloc->memory_mutex);
+ alloc->first = alloc->last = NULL;
+ if (!gus->gf1.memory)
+ return 0;
+
+ memset(&block, 0, sizeof(block));
+ block.owner = SNDRV_GF1_MEM_OWNER_DRIVER;
+ if (gus->gf1.enh_mode) {
+ block.ptr = 0;
+ block.size = 1024;
+ if (!snd_gf1_mem_xalloc(alloc, &block, "InterWave LFOs"))
+ return -ENOMEM;
+ }
+ block.ptr = gus->gf1.default_voice_address;
+ block.size = 4;
+ if (!snd_gf1_mem_xalloc(alloc, &block, "Voice default (NULL's)"))
+ return -ENOMEM;
+#ifdef CONFIG_SND_DEBUG
+ snd_card_ro_proc_new(gus->card, "gusmem", gus, snd_gf1_mem_info_read);
+#endif
+ return 0;
+}
+
+int snd_gf1_mem_done(struct snd_gus_card * gus)
+{
+ struct snd_gf1_mem *alloc;
+ struct snd_gf1_mem_block *block, *nblock;
+
+ alloc = &gus->gf1.mem_alloc;
+ block = alloc->first;
+ while (block) {
+ nblock = block->next;
+ snd_gf1_mem_xfree(alloc, block);
+ block = nblock;
+ }
+ return 0;
+}
+
+#ifdef CONFIG_SND_DEBUG
+static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_gus_card *gus;
+ struct snd_gf1_mem *alloc;
+ struct snd_gf1_mem_block *block;
+ unsigned int total, used;
+ int i;
+
+ gus = entry->private_data;
+ alloc = &gus->gf1.mem_alloc;
+ mutex_lock(&alloc->memory_mutex);
+ snd_iprintf(buffer, "8-bit banks : \n ");
+ for (i = 0; i < 4; i++)
+ snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_8[i].address, alloc->banks_8[i].size >> 10, i + 1 < 4 ? "," : "");
+ snd_iprintf(buffer, "\n"
+ "16-bit banks : \n ");
+ for (i = total = 0; i < 4; i++) {
+ snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_16[i].address, alloc->banks_16[i].size >> 10, i + 1 < 4 ? "," : "");
+ total += alloc->banks_16[i].size;
+ }
+ snd_iprintf(buffer, "\n");
+ used = 0;
+ for (block = alloc->first, i = 0; block; block = block->next, i++) {
+ used += block->size;
+ snd_iprintf(buffer, "Block %i onboard 0x%x size %i (0x%x):\n", i, block->ptr, block->size, block->size);
+ if (block->share ||
+ block->share_id[0] || block->share_id[1] ||
+ block->share_id[2] || block->share_id[3])
+ snd_iprintf(buffer, " Share : %i [id0 0x%x] [id1 0x%x] [id2 0x%x] [id3 0x%x]\n",
+ block->share,
+ block->share_id[0], block->share_id[1],
+ block->share_id[2], block->share_id[3]);
+ snd_iprintf(buffer, " Flags :%s\n",
+ block->flags & SNDRV_GF1_MEM_BLOCK_16BIT ? " 16-bit" : "");
+ snd_iprintf(buffer, " Owner : ");
+ switch (block->owner) {
+ case SNDRV_GF1_MEM_OWNER_DRIVER:
+ snd_iprintf(buffer, "driver - %s\n", block->name);
+ break;
+ case SNDRV_GF1_MEM_OWNER_WAVE_SIMPLE:
+ snd_iprintf(buffer, "SIMPLE wave\n");
+ break;
+ case SNDRV_GF1_MEM_OWNER_WAVE_GF1:
+ snd_iprintf(buffer, "GF1 wave\n");
+ break;
+ case SNDRV_GF1_MEM_OWNER_WAVE_IWFFFF:
+ snd_iprintf(buffer, "IWFFFF wave\n");
+ break;
+ default:
+ snd_iprintf(buffer, "unknown\n");
+ }
+ }
+ snd_iprintf(buffer, " Total: memory = %i, used = %i, free = %i\n",
+ total, used, total - used);
+ mutex_unlock(&alloc->memory_mutex);
+#if 0
+ ultra_iprintf(buffer, " Verify: free = %i, max 8-bit block = %i, max 16-bit block = %i\n",
+ ultra_memory_free_size(card, &card->gf1.mem_alloc),
+ ultra_memory_free_block(card, &card->gf1.mem_alloc, 0),
+ ultra_memory_free_block(card, &card->gf1.mem_alloc, 1));
+#endif
+}
+#endif
diff --git a/sound/isa/gus/gus_mem_proc.c b/sound/isa/gus/gus_mem_proc.c
new file mode 100644
index 0000000000..b5e1d16495
--- /dev/null
+++ b/sound/isa/gus/gus_mem_proc.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * GUS's memory access via proc filesystem
+ */
+
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/info.h>
+
+struct gus_proc_private {
+ int rom; /* data are in ROM */
+ unsigned int address;
+ unsigned int size;
+ struct snd_gus_card * gus;
+};
+
+static ssize_t snd_gf1_mem_proc_dump(struct snd_info_entry *entry,
+ void *file_private_data,
+ struct file *file, char __user *buf,
+ size_t count, loff_t pos)
+{
+ struct gus_proc_private *priv = entry->private_data;
+ struct snd_gus_card *gus = priv->gus;
+ int err;
+
+ err = snd_gus_dram_read(gus, buf, pos, count, priv->rom);
+ if (err < 0)
+ return err;
+ return count;
+}
+
+static void snd_gf1_mem_proc_free(struct snd_info_entry *entry)
+{
+ struct gus_proc_private *priv = entry->private_data;
+ kfree(priv);
+}
+
+static const struct snd_info_entry_ops snd_gf1_mem_proc_ops = {
+ .read = snd_gf1_mem_proc_dump,
+};
+
+int snd_gf1_mem_proc_init(struct snd_gus_card * gus)
+{
+ int idx;
+ char name[16];
+ struct gus_proc_private *priv;
+ struct snd_info_entry *entry;
+
+ for (idx = 0; idx < 4; idx++) {
+ if (gus->gf1.mem_alloc.banks_8[idx].size > 0) {
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ priv->gus = gus;
+ sprintf(name, "gus-ram-%i", idx);
+ if (! snd_card_proc_new(gus->card, name, &entry)) {
+ entry->content = SNDRV_INFO_CONTENT_DATA;
+ entry->private_data = priv;
+ entry->private_free = snd_gf1_mem_proc_free;
+ entry->c.ops = &snd_gf1_mem_proc_ops;
+ priv->address = gus->gf1.mem_alloc.banks_8[idx].address;
+ priv->size = entry->size = gus->gf1.mem_alloc.banks_8[idx].size;
+ }
+ }
+ }
+ for (idx = 0; idx < 4; idx++) {
+ if (gus->gf1.rom_present & (1 << idx)) {
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ priv->rom = 1;
+ priv->gus = gus;
+ sprintf(name, "gus-rom-%i", idx);
+ if (! snd_card_proc_new(gus->card, name, &entry)) {
+ entry->content = SNDRV_INFO_CONTENT_DATA;
+ entry->private_data = priv;
+ entry->private_free = snd_gf1_mem_proc_free;
+ entry->c.ops = &snd_gf1_mem_proc_ops;
+ priv->address = idx * 4096 * 1024;
+ priv->size = entry->size = gus->gf1.rom_memory;
+ }
+ }
+ }
+ return 0;
+}
diff --git a/sound/isa/gus/gus_mixer.c b/sound/isa/gus/gus_mixer.c
new file mode 100644
index 0000000000..03f9cfcbf6
--- /dev/null
+++ b/sound/isa/gus/gus_mixer.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Routines for control of ICS 2101 chip and "mixer" in GF1 chip
+ */
+
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/gus.h>
+
+/*
+ *
+ */
+
+#define GF1_SINGLE(xname, xindex, shift, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_gf1_info_single, \
+ .get = snd_gf1_get_single, .put = snd_gf1_put_single, \
+ .private_value = shift | (invert << 8) }
+
+#define snd_gf1_info_single snd_ctl_boolean_mono_info
+
+static int snd_gf1_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ int shift = kcontrol->private_value & 0xff;
+ int invert = (kcontrol->private_value >> 8) & 1;
+
+ ucontrol->value.integer.value[0] = (gus->mix_cntrl_reg >> shift) & 1;
+ if (invert)
+ ucontrol->value.integer.value[0] ^= 1;
+ return 0;
+}
+
+static int snd_gf1_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+ int shift = kcontrol->private_value & 0xff;
+ int invert = (kcontrol->private_value >> 8) & 1;
+ int change;
+ unsigned char oval, nval;
+
+ nval = ucontrol->value.integer.value[0] & 1;
+ if (invert)
+ nval ^= 1;
+ nval <<= shift;
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ oval = gus->mix_cntrl_reg;
+ nval = (oval & ~(1 << shift)) | nval;
+ change = nval != oval;
+ outb(gus->mix_cntrl_reg = nval, GUSP(gus, MIXCNTRLREG));
+ outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return change;
+}
+
+#define ICS_DOUBLE(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .info = snd_ics_info_double, \
+ .get = snd_ics_get_double, .put = snd_ics_put_double, \
+ .private_value = addr }
+
+static int snd_ics_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 127;
+ return 0;
+}
+
+static int snd_ics_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+ int addr = kcontrol->private_value & 0xff;
+ unsigned char left, right;
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ left = gus->gf1.ics_regs[addr][0];
+ right = gus->gf1.ics_regs[addr][1];
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ ucontrol->value.integer.value[0] = left & 127;
+ ucontrol->value.integer.value[1] = right & 127;
+ return 0;
+}
+
+static int snd_ics_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+ int addr = kcontrol->private_value & 0xff;
+ int change;
+ unsigned char val1, val2, oval1, oval2;
+
+ val1 = ucontrol->value.integer.value[0] & 127;
+ val2 = ucontrol->value.integer.value[1] & 127;
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ oval1 = gus->gf1.ics_regs[addr][0];
+ oval2 = gus->gf1.ics_regs[addr][1];
+ change = val1 != oval1 || val2 != oval2;
+ gus->gf1.ics_regs[addr][0] = val1;
+ gus->gf1.ics_regs[addr][1] = val2;
+ if (gus->ics_flag && gus->ics_flipped &&
+ (addr == SNDRV_ICS_GF1_DEV || addr == SNDRV_ICS_MASTER_DEV))
+ swap(val1, val2);
+ addr <<= 3;
+ outb(addr | 0, GUSP(gus, MIXCNTRLPORT));
+ outb(1, GUSP(gus, MIXDATAPORT));
+ outb(addr | 2, GUSP(gus, MIXCNTRLPORT));
+ outb((unsigned char) val1, GUSP(gus, MIXDATAPORT));
+ outb(addr | 1, GUSP(gus, MIXCNTRLPORT));
+ outb(2, GUSP(gus, MIXDATAPORT));
+ outb(addr | 3, GUSP(gus, MIXCNTRLPORT));
+ outb((unsigned char) val2, GUSP(gus, MIXDATAPORT));
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return change;
+}
+
+static const struct snd_kcontrol_new snd_gf1_controls[] = {
+GF1_SINGLE("Master Playback Switch", 0, 1, 1),
+GF1_SINGLE("Line Switch", 0, 0, 1),
+GF1_SINGLE("Mic Switch", 0, 2, 0)
+};
+
+static const struct snd_kcontrol_new snd_ics_controls[] = {
+GF1_SINGLE("Master Playback Switch", 0, 1, 1),
+ICS_DOUBLE("Master Playback Volume", 0, SNDRV_ICS_MASTER_DEV),
+ICS_DOUBLE("Synth Playback Volume", 0, SNDRV_ICS_GF1_DEV),
+GF1_SINGLE("Line Switch", 0, 0, 1),
+ICS_DOUBLE("Line Playback Volume", 0, SNDRV_ICS_LINE_DEV),
+GF1_SINGLE("Mic Switch", 0, 2, 0),
+ICS_DOUBLE("Mic Playback Volume", 0, SNDRV_ICS_MIC_DEV),
+ICS_DOUBLE("CD Playback Volume", 0, SNDRV_ICS_CD_DEV)
+};
+
+int snd_gf1_new_mixer(struct snd_gus_card * gus)
+{
+ struct snd_card *card;
+ unsigned int idx, max;
+ int err;
+
+ if (snd_BUG_ON(!gus))
+ return -EINVAL;
+ card = gus->card;
+ if (snd_BUG_ON(!card))
+ return -EINVAL;
+
+ if (gus->ics_flag)
+ snd_component_add(card, "ICS2101");
+ if (card->mixername[0] == '\0') {
+ strcpy(card->mixername, gus->ics_flag ? "GF1,ICS2101" : "GF1");
+ } else {
+ if (gus->ics_flag)
+ strcat(card->mixername, ",ICS2101");
+ strcat(card->mixername, ",GF1");
+ }
+
+ if (!gus->ics_flag) {
+ max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls);
+ for (idx = 0; idx < max; idx++) {
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus));
+ if (err < 0)
+ return err;
+ }
+ } else {
+ for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) {
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus));
+ if (err < 0)
+ return err;
+ }
+ }
+ return 0;
+}
diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c
new file mode 100644
index 0000000000..850544725d
--- /dev/null
+++ b/sound/isa/gus/gus_pcm.c
@@ -0,0 +1,885 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Routines for control of GF1 chip (PCM things)
+ *
+ * InterWave chips supports interleaved DMA, but this feature isn't used in
+ * this code.
+ *
+ * This code emulates autoinit DMA transfer for playback, recording by GF1
+ * chip doesn't support autoinit DMA.
+ */
+
+#include <asm/dma.h>
+#include <linux/slab.h>
+#include <linux/sched/signal.h>
+
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/gus.h>
+#include <sound/pcm_params.h>
+#include "gus_tables.h"
+
+/* maximum rate */
+
+#define SNDRV_GF1_PCM_RATE 48000
+
+#define SNDRV_GF1_PCM_PFLG_NONE 0
+#define SNDRV_GF1_PCM_PFLG_ACTIVE (1<<0)
+#define SNDRV_GF1_PCM_PFLG_NEUTRAL (2<<0)
+
+struct gus_pcm_private {
+ struct snd_gus_card * gus;
+ struct snd_pcm_substream *substream;
+ spinlock_t lock;
+ unsigned int voices;
+ struct snd_gus_voice *pvoices[2];
+ unsigned int memory;
+ unsigned short flags;
+ unsigned char voice_ctrl, ramp_ctrl;
+ unsigned int bpos;
+ unsigned int blocks;
+ unsigned int block_size;
+ unsigned int dma_size;
+ wait_queue_head_t sleep;
+ atomic_t dma_count;
+ int final_volume;
+};
+
+static void snd_gf1_pcm_block_change_ack(struct snd_gus_card * gus, void *private_data)
+{
+ struct gus_pcm_private *pcmp = private_data;
+
+ if (pcmp) {
+ atomic_dec(&pcmp->dma_count);
+ wake_up(&pcmp->sleep);
+ }
+}
+
+static int snd_gf1_pcm_block_change(struct snd_pcm_substream *substream,
+ unsigned int offset,
+ unsigned int addr,
+ unsigned int count)
+{
+ struct snd_gf1_dma_block block;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+
+ count += offset & 31;
+ offset &= ~31;
+ /*
+ snd_printk(KERN_DEBUG "block change - offset = 0x%x, count = 0x%x\n",
+ offset, count);
+ */
+ memset(&block, 0, sizeof(block));
+ block.cmd = SNDRV_GF1_DMA_IRQ;
+ if (snd_pcm_format_unsigned(runtime->format))
+ block.cmd |= SNDRV_GF1_DMA_UNSIGNED;
+ if (snd_pcm_format_width(runtime->format) == 16)
+ block.cmd |= SNDRV_GF1_DMA_16BIT;
+ block.addr = addr & ~31;
+ block.buffer = runtime->dma_area + offset;
+ block.buf_addr = runtime->dma_addr + offset;
+ block.count = count;
+ block.private_data = pcmp;
+ block.ack = snd_gf1_pcm_block_change_ack;
+ if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0))
+ atomic_inc(&pcmp->dma_count);
+ return 0;
+}
+
+static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+ struct snd_gus_card * gus = pcmp->gus;
+ unsigned long flags;
+ unsigned char voice_ctrl, ramp_ctrl;
+ unsigned short rate;
+ unsigned int curr, begin, end;
+ unsigned short vol;
+ unsigned char pan;
+ unsigned int voice;
+
+ spin_lock_irqsave(&pcmp->lock, flags);
+ if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) {
+ spin_unlock_irqrestore(&pcmp->lock, flags);
+ return;
+ }
+ pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE;
+ pcmp->final_volume = 0;
+ spin_unlock_irqrestore(&pcmp->lock, flags);
+ rate = snd_gf1_translate_freq(gus, runtime->rate << 4);
+ /* enable WAVE IRQ */
+ voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20;
+ /* enable RAMP IRQ + rollover */
+ ramp_ctrl = 0x24;
+ if (pcmp->blocks == 1) {
+ voice_ctrl |= 0x08; /* loop enable */
+ ramp_ctrl &= ~0x04; /* disable rollover */
+ }
+ for (voice = 0; voice < pcmp->voices; voice++) {
+ begin = pcmp->memory + voice * (pcmp->dma_size / runtime->channels);
+ curr = begin + (pcmp->bpos * pcmp->block_size) / runtime->channels;
+ end = curr + (pcmp->block_size / runtime->channels);
+ end -= snd_pcm_format_width(runtime->format) == 16 ? 2 : 1;
+ /*
+ snd_printk(KERN_DEBUG "init: curr=0x%x, begin=0x%x, end=0x%x, "
+ "ctrl=0x%x, ramp=0x%x, rate=0x%x\n",
+ curr, begin, end, voice_ctrl, ramp_ctrl, rate);
+ */
+ pan = runtime->channels == 2 ? (!voice ? 1 : 14) : 8;
+ vol = !voice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right;
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, pan);
+ snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, rate);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, begin << 4, voice_ctrl & 4);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, curr << 4, voice_ctrl & 4);
+ snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME << 4);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0x2f);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, vol >> 8);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl);
+ if (!gus->gf1.enh_mode) {
+ snd_gf1_delay(gus);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl);
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ }
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ for (voice = 0; voice < pcmp->voices; voice++) {
+ snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);
+ if (gus->gf1.enh_mode)
+ snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, 0x00); /* deactivate voice */
+ snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
+ voice_ctrl &= ~0x20;
+ }
+ voice_ctrl |= 0x20;
+ if (!gus->gf1.enh_mode) {
+ snd_gf1_delay(gus);
+ for (voice = 0; voice < pcmp->voices; voice++) {
+ snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
+ voice_ctrl &= ~0x20; /* disable IRQ for next voice */
+ }
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+}
+
+static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus,
+ struct snd_gus_voice *pvoice)
+{
+ struct gus_pcm_private * pcmp;
+ struct snd_pcm_runtime *runtime;
+ unsigned char voice_ctrl, ramp_ctrl;
+ unsigned int idx;
+ unsigned int end, step;
+
+ if (!pvoice->private_data) {
+ snd_printd("snd_gf1_pcm: unknown wave irq?\n");
+ snd_gf1_smart_stop_voice(gus, pvoice->number);
+ return;
+ }
+ pcmp = pvoice->private_data;
+ if (pcmp == NULL) {
+ snd_printd("snd_gf1_pcm: unknown wave irq?\n");
+ snd_gf1_smart_stop_voice(gus, pvoice->number);
+ return;
+ }
+ gus = pcmp->gus;
+ runtime = pcmp->substream->runtime;
+
+ spin_lock(&gus->reg_lock);
+ snd_gf1_select_voice(gus, pvoice->number);
+ voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b;
+ ramp_ctrl = (snd_gf1_read8(gus, SNDRV_GF1_VB_VOLUME_CONTROL) & ~0xa4) | 0x03;
+#if 0
+ snd_gf1_select_voice(gus, pvoice->number);
+ printk(KERN_DEBUG "position = 0x%x\n",
+ (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4));
+ snd_gf1_select_voice(gus, pcmp->pvoices[1]->number);
+ printk(KERN_DEBUG "position = 0x%x\n",
+ (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4));
+ snd_gf1_select_voice(gus, pvoice->number);
+#endif
+ pcmp->bpos++;
+ pcmp->bpos %= pcmp->blocks;
+ if (pcmp->bpos + 1 >= pcmp->blocks) { /* last block? */
+ voice_ctrl |= 0x08; /* enable loop */
+ } else {
+ ramp_ctrl |= 0x04; /* enable rollover */
+ }
+ end = pcmp->memory + (((pcmp->bpos + 1) * pcmp->block_size) / runtime->channels);
+ end -= voice_ctrl & 4 ? 2 : 1;
+ step = pcmp->dma_size / runtime->channels;
+ voice_ctrl |= 0x20;
+ if (!pcmp->final_volume) {
+ ramp_ctrl |= 0x20;
+ ramp_ctrl &= ~0x03;
+ }
+ for (idx = 0; idx < pcmp->voices; idx++, end += step) {
+ snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl);
+ voice_ctrl &= ~0x20;
+ }
+ if (!gus->gf1.enh_mode) {
+ snd_gf1_delay(gus);
+ voice_ctrl |= 0x20;
+ for (idx = 0; idx < pcmp->voices; idx++) {
+ snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl);
+ voice_ctrl &= ~0x20;
+ }
+ }
+ spin_unlock(&gus->reg_lock);
+
+ snd_pcm_period_elapsed(pcmp->substream);
+#if 0
+ if ((runtime->flags & SNDRV_PCM_FLG_MMAP) &&
+ *runtime->state == SNDRV_PCM_STATE_RUNNING) {
+ end = pcmp->bpos * pcmp->block_size;
+ if (runtime->channels > 1) {
+ snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2);
+ snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_size / 2) + (end / 2), pcmp->block_size / 2);
+ } else {
+ snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size);
+ }
+ }
+#endif
+}
+
+static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus,
+ struct snd_gus_voice * pvoice)
+{
+ unsigned short vol;
+ int cvoice;
+ struct gus_pcm_private *pcmp = pvoice->private_data;
+
+ /* stop ramp, but leave rollover bit untouched */
+ spin_lock(&gus->reg_lock);
+ snd_gf1_select_voice(gus, pvoice->number);
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
+ spin_unlock(&gus->reg_lock);
+ if (pcmp == NULL)
+ return;
+ /* are we active? */
+ if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE))
+ return;
+ /* load real volume - better precision */
+ cvoice = pcmp->pvoices[0] == pvoice ? 0 : 1;
+ if (pcmp->substream == NULL)
+ return;
+ vol = !cvoice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right;
+ spin_lock(&gus->reg_lock);
+ snd_gf1_select_voice(gus, pvoice->number);
+ snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol);
+ pcmp->final_volume = 1;
+ spin_unlock(&gus->reg_lock);
+}
+
+static void snd_gf1_pcm_volume_change(struct snd_gus_card * gus)
+{
+}
+
+static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf,
+ unsigned int pos, unsigned int count,
+ int w16, int invert)
+{
+ unsigned int len;
+ unsigned long flags;
+
+ /*
+ printk(KERN_DEBUG
+ "poke block; buf = 0x%x, pos = %i, count = %i, port = 0x%x\n",
+ (int)buf, pos, count, gus->gf1.port);
+ */
+ while (count > 0) {
+ len = count;
+ if (len > 512) /* limit, to allow IRQ */
+ len = 512;
+ count -= len;
+ if (gus->interwave) {
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01 | (invert ? 0x08 : 0x00));
+ snd_gf1_dram_addr(gus, pos);
+ if (w16) {
+ outb(SNDRV_GF1_GW_DRAM_IO16, GUSP(gus, GF1REGSEL));
+ outsw(GUSP(gus, GF1DATALOW), buf, len >> 1);
+ } else {
+ outsb(GUSP(gus, DRAM), buf, len);
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ buf += 512;
+ pos += 512;
+ } else {
+ invert = invert ? 0x80 : 0x00;
+ if (w16) {
+ len >>= 1;
+ while (len--) {
+ snd_gf1_poke(gus, pos++, *buf++);
+ snd_gf1_poke(gus, pos++, *buf++ ^ invert);
+ }
+ } else {
+ while (len--)
+ snd_gf1_poke(gus, pos++, *buf++ ^ invert);
+ }
+ }
+ if (count > 0 && !in_interrupt()) {
+ schedule_timeout_interruptible(1);
+ if (signal_pending(current))
+ return -EAGAIN;
+ }
+ }
+ return 0;
+}
+
+static int get_bpos(struct gus_pcm_private *pcmp, int voice, unsigned int pos,
+ unsigned int len)
+{
+ unsigned int bpos = pos + (voice * (pcmp->dma_size / 2));
+ if (snd_BUG_ON(bpos > pcmp->dma_size))
+ return -EIO;
+ if (snd_BUG_ON(bpos + len > pcmp->dma_size))
+ return -EIO;
+ return bpos;
+}
+
+static int playback_copy_ack(struct snd_pcm_substream *substream,
+ unsigned int bpos, unsigned int len)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+ struct snd_gus_card *gus = pcmp->gus;
+ int w16, invert;
+
+ if (len > 32)
+ return snd_gf1_pcm_block_change(substream, bpos,
+ pcmp->memory + bpos, len);
+
+ w16 = (snd_pcm_format_width(runtime->format) == 16);
+ invert = snd_pcm_format_unsigned(runtime->format);
+ return snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos,
+ pcmp->memory + bpos, len, w16, invert);
+}
+
+static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream,
+ int voice, unsigned long pos,
+ struct iov_iter *src, unsigned long count)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+ unsigned int len = count;
+ int bpos;
+
+ bpos = get_bpos(pcmp, voice, pos, len);
+ if (bpos < 0)
+ return pos;
+ if (copy_from_iter(runtime->dma_area + bpos, len, src) != len)
+ return -EFAULT;
+ return playback_copy_ack(substream, bpos, len);
+}
+
+static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream,
+ int voice, unsigned long pos,
+ unsigned long count)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+ unsigned int len = count;
+ int bpos;
+
+ bpos = get_bpos(pcmp, voice, pos, len);
+ if (bpos < 0)
+ return pos;
+ snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos,
+ bytes_to_samples(runtime, count));
+ return playback_copy_ack(substream, bpos, len);
+}
+
+static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+
+ if (runtime->buffer_changed) {
+ struct snd_gf1_mem_block *block;
+ if (pcmp->memory > 0) {
+ snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory);
+ pcmp->memory = 0;
+ }
+ block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc,
+ SNDRV_GF1_MEM_OWNER_DRIVER,
+ "GF1 PCM",
+ runtime->dma_bytes, 1, 32,
+ NULL);
+ if (!block)
+ return -ENOMEM;
+ pcmp->memory = block->ptr;
+ }
+ pcmp->voices = params_channels(hw_params);
+ if (pcmp->pvoices[0] == NULL) {
+ pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0);
+ if (!pcmp->pvoices[0])
+ return -ENOMEM;
+ pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave;
+ pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume;
+ pcmp->pvoices[0]->volume_change = snd_gf1_pcm_volume_change;
+ pcmp->pvoices[0]->private_data = pcmp;
+ }
+ if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) {
+ pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0);
+ if (!pcmp->pvoices[1])
+ return -ENOMEM;
+ pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave;
+ pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume;
+ pcmp->pvoices[1]->volume_change = snd_gf1_pcm_volume_change;
+ pcmp->pvoices[1]->private_data = pcmp;
+ } else if (pcmp->voices == 1) {
+ if (pcmp->pvoices[1]) {
+ snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]);
+ pcmp->pvoices[1] = NULL;
+ }
+ }
+ return 0;
+}
+
+static int snd_gf1_pcm_playback_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+
+ if (pcmp->pvoices[0]) {
+ snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]);
+ pcmp->pvoices[0] = NULL;
+ }
+ if (pcmp->pvoices[1]) {
+ snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]);
+ pcmp->pvoices[1] = NULL;
+ }
+ if (pcmp->memory > 0) {
+ snd_gf1_mem_free(&pcmp->gus->gf1.mem_alloc, pcmp->memory);
+ pcmp->memory = 0;
+ }
+ return 0;
+}
+
+static int snd_gf1_pcm_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+
+ pcmp->bpos = 0;
+ pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream);
+ pcmp->block_size = snd_pcm_lib_period_bytes(substream);
+ pcmp->blocks = pcmp->dma_size / pcmp->block_size;
+ return 0;
+}
+
+static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+ int voice;
+
+ if (cmd == SNDRV_PCM_TRIGGER_START) {
+ snd_gf1_pcm_trigger_up(substream);
+ } else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
+ spin_lock(&pcmp->lock);
+ pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE;
+ spin_unlock(&pcmp->lock);
+ voice = pcmp->pvoices[0]->number;
+ snd_gf1_stop_voices(gus, voice, voice);
+ if (pcmp->pvoices[1]) {
+ voice = pcmp->pvoices[1]->number;
+ snd_gf1_stop_voices(gus, voice, voice);
+ }
+ } else {
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t snd_gf1_pcm_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+ unsigned int pos;
+ unsigned char voice_ctrl;
+
+ pos = 0;
+ spin_lock(&gus->reg_lock);
+ if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) {
+ snd_gf1_select_voice(gus, pcmp->pvoices[0]->number);
+ voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
+ pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory;
+ if (substream->runtime->channels > 1)
+ pos <<= 1;
+ pos = bytes_to_frames(runtime, pos);
+ }
+ spin_unlock(&gus->reg_lock);
+ return pos;
+}
+
+static const struct snd_ratnum clock = {
+ .num = 9878400/16,
+ .den_min = 2,
+ .den_max = 257,
+ .den_step = 1,
+};
+
+static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
+ .nrats = 1,
+ .rats = &clock,
+};
+
+static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+
+ gus->c_dma_size = params_buffer_bytes(hw_params);
+ gus->c_period_size = params_period_bytes(hw_params);
+ gus->c_pos = 0;
+ gus->gf1.pcm_rcntrl_reg = 0x21; /* IRQ at end, enable & start */
+ if (params_channels(hw_params) > 1)
+ gus->gf1.pcm_rcntrl_reg |= 2;
+ if (gus->gf1.dma2 > 3)
+ gus->gf1.pcm_rcntrl_reg |= 4;
+ if (snd_pcm_format_unsigned(params_format(hw_params)))
+ gus->gf1.pcm_rcntrl_reg |= 0x80;
+ return 0;
+}
+
+static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RECORD_RATE, runtime->rate_den - 2);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */
+ snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */
+ snd_dma_program(gus->gf1.dma2, runtime->dma_addr, gus->c_period_size, DMA_MODE_READ);
+ return 0;
+}
+
+static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ int val;
+
+ if (cmd == SNDRV_PCM_TRIGGER_START) {
+ val = gus->gf1.pcm_rcntrl_reg;
+ } else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
+ val = 0;
+ } else {
+ return -EINVAL;
+ }
+
+ spin_lock(&gus->reg_lock);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, val);
+ snd_gf1_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL);
+ spin_unlock(&gus->reg_lock);
+ return 0;
+}
+
+static snd_pcm_uframes_t snd_gf1_pcm_capture_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ int pos = snd_dma_pointer(gus->gf1.dma2, gus->c_period_size);
+ pos = bytes_to_frames(substream->runtime, (gus->c_pos + pos) % gus->c_dma_size);
+ return pos;
+}
+
+static void snd_gf1_pcm_interrupt_dma_read(struct snd_gus_card * gus)
+{
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */
+ snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */
+ if (gus->pcm_cap_substream != NULL) {
+ snd_gf1_pcm_capture_prepare(gus->pcm_cap_substream);
+ snd_gf1_pcm_capture_trigger(gus->pcm_cap_substream, SNDRV_PCM_TRIGGER_START);
+ gus->c_pos += gus->c_period_size;
+ snd_pcm_period_elapsed(gus->pcm_cap_substream);
+ }
+}
+
+static const struct snd_pcm_hardware snd_gf1_pcm_playback =
+{
+ .info = SNDRV_PCM_INFO_NONINTERLEAVED,
+ .formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE),
+ .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
+ .rate_min = 5510,
+ .rate_max = 48000,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (128*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (128*1024),
+ .periods_min = 1,
+ .periods_max = 1024,
+ .fifo_size = 0,
+};
+
+static const struct snd_pcm_hardware snd_gf1_pcm_capture =
+{
+ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID),
+ .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_44100,
+ .rate_min = 5510,
+ .rate_max = 44100,
+ .channels_min = 1,
+ .channels_max = 2,
+ .buffer_bytes_max = (128*1024),
+ .period_bytes_min = 64,
+ .period_bytes_max = (128*1024),
+ .periods_min = 1,
+ .periods_max = 1024,
+ .fifo_size = 0,
+};
+
+static void snd_gf1_pcm_playback_free(struct snd_pcm_runtime *runtime)
+{
+ kfree(runtime->private_data);
+}
+
+static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream)
+{
+ struct gus_pcm_private *pcmp;
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int err;
+
+ pcmp = kzalloc(sizeof(*pcmp), GFP_KERNEL);
+ if (pcmp == NULL)
+ return -ENOMEM;
+ pcmp->gus = gus;
+ spin_lock_init(&pcmp->lock);
+ init_waitqueue_head(&pcmp->sleep);
+ atomic_set(&pcmp->dma_count, 0);
+
+ runtime->private_data = pcmp;
+ runtime->private_free = snd_gf1_pcm_playback_free;
+
+#if 0
+ printk(KERN_DEBUG "playback.buffer = 0x%lx, gf1.pcm_buffer = 0x%lx\n",
+ (long) pcm->playback.buffer, (long) gus->gf1.pcm_buffer);
+#endif
+ err = snd_gf1_dma_init(gus);
+ if (err < 0)
+ return err;
+ pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE;
+ pcmp->substream = substream;
+ runtime->hw = snd_gf1_pcm_playback;
+ snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.buffer_bytes_max);
+ snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.period_bytes_max);
+ snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64);
+ return 0;
+}
+
+static int snd_gf1_pcm_playback_close(struct snd_pcm_substream *substream)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct gus_pcm_private *pcmp = runtime->private_data;
+
+ if (!wait_event_timeout(pcmp->sleep, (atomic_read(&pcmp->dma_count) <= 0), 2*HZ))
+ snd_printk(KERN_ERR "gf1 pcm - serious DMA problem\n");
+
+ snd_gf1_dma_done(gus);
+ return 0;
+}
+
+static int snd_gf1_pcm_capture_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+
+ gus->gf1.interrupt_handler_dma_read = snd_gf1_pcm_interrupt_dma_read;
+ gus->pcm_cap_substream = substream;
+ substream->runtime->hw = snd_gf1_pcm_capture;
+ snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.buffer_bytes_max);
+ snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.period_bytes_max);
+ snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &hw_constraints_clocks);
+ return 0;
+}
+
+static int snd_gf1_pcm_capture_close(struct snd_pcm_substream *substream)
+{
+ struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
+
+ gus->pcm_cap_substream = NULL;
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_DMA_READ);
+ return 0;
+}
+
+static int snd_gf1_pcm_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 127;
+ return 0;
+}
+
+static int snd_gf1_pcm_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->pcm_volume_level_lock, flags);
+ ucontrol->value.integer.value[0] = gus->gf1.pcm_volume_level_left1;
+ ucontrol->value.integer.value[1] = gus->gf1.pcm_volume_level_right1;
+ spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags);
+ return 0;
+}
+
+static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+ int change;
+ unsigned int idx;
+ unsigned short val1, val2, vol;
+ struct gus_pcm_private *pcmp;
+ struct snd_gus_voice *pvoice;
+
+ val1 = ucontrol->value.integer.value[0] & 127;
+ val2 = ucontrol->value.integer.value[1] & 127;
+ spin_lock_irqsave(&gus->pcm_volume_level_lock, flags);
+ change = val1 != gus->gf1.pcm_volume_level_left1 ||
+ val2 != gus->gf1.pcm_volume_level_right1;
+ gus->gf1.pcm_volume_level_left1 = val1;
+ gus->gf1.pcm_volume_level_right1 = val2;
+ gus->gf1.pcm_volume_level_left = snd_gf1_lvol_to_gvol_raw(val1 << 9) << 4;
+ gus->gf1.pcm_volume_level_right = snd_gf1_lvol_to_gvol_raw(val2 << 9) << 4;
+ spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags);
+ /* are we active? */
+ spin_lock_irqsave(&gus->voice_alloc, flags);
+ for (idx = 0; idx < 32; idx++) {
+ pvoice = &gus->gf1.voices[idx];
+ if (!pvoice->pcm)
+ continue;
+ pcmp = pvoice->private_data;
+ if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE))
+ continue;
+ /* load real volume - better precision */
+ spin_lock(&gus->reg_lock);
+ snd_gf1_select_voice(gus, pvoice->number);
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
+ vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right;
+ snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol);
+ pcmp->final_volume = 1;
+ spin_unlock(&gus->reg_lock);
+ }
+ spin_unlock_irqrestore(&gus->voice_alloc, flags);
+ return change;
+}
+
+static const struct snd_kcontrol_new snd_gf1_pcm_volume_control =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "PCM Playback Volume",
+ .info = snd_gf1_pcm_volume_info,
+ .get = snd_gf1_pcm_volume_get,
+ .put = snd_gf1_pcm_volume_put
+};
+
+static const struct snd_kcontrol_new snd_gf1_pcm_volume_control1 =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "GPCM Playback Volume",
+ .info = snd_gf1_pcm_volume_info,
+ .get = snd_gf1_pcm_volume_get,
+ .put = snd_gf1_pcm_volume_put
+};
+
+static const struct snd_pcm_ops snd_gf1_pcm_playback_ops = {
+ .open = snd_gf1_pcm_playback_open,
+ .close = snd_gf1_pcm_playback_close,
+ .hw_params = snd_gf1_pcm_playback_hw_params,
+ .hw_free = snd_gf1_pcm_playback_hw_free,
+ .prepare = snd_gf1_pcm_playback_prepare,
+ .trigger = snd_gf1_pcm_playback_trigger,
+ .pointer = snd_gf1_pcm_playback_pointer,
+ .copy = snd_gf1_pcm_playback_copy,
+ .fill_silence = snd_gf1_pcm_playback_silence,
+};
+
+static const struct snd_pcm_ops snd_gf1_pcm_capture_ops = {
+ .open = snd_gf1_pcm_capture_open,
+ .close = snd_gf1_pcm_capture_close,
+ .hw_params = snd_gf1_pcm_capture_hw_params,
+ .prepare = snd_gf1_pcm_capture_prepare,
+ .trigger = snd_gf1_pcm_capture_trigger,
+ .pointer = snd_gf1_pcm_capture_pointer,
+};
+
+int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index)
+{
+ struct snd_card *card;
+ struct snd_kcontrol *kctl;
+ struct snd_pcm *pcm;
+ struct snd_pcm_substream *substream;
+ int capture, err;
+
+ card = gus->card;
+ capture = !gus->interwave && !gus->ess_flag && !gus->ace_flag ? 1 : 0;
+ err = snd_pcm_new(card,
+ gus->interwave ? "AMD InterWave" : "GF1",
+ pcm_dev,
+ gus->gf1.pcm_channels / 2,
+ capture,
+ &pcm);
+ if (err < 0)
+ return err;
+ pcm->private_data = gus;
+ /* playback setup */
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_gf1_pcm_playback_ops);
+
+ for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
+ snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
+ card->dev,
+ 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024);
+
+ pcm->info_flags = 0;
+ pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
+ if (capture) {
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_gf1_pcm_capture_ops);
+ if (gus->gf1.dma2 == gus->gf1.dma1)
+ pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX;
+ snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
+ SNDRV_DMA_TYPE_DEV, card->dev,
+ 64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024);
+ }
+ strcpy(pcm->name, pcm->id);
+ if (gus->interwave) {
+ sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A');
+ }
+ strcat(pcm->name, " (synth)");
+ gus->pcm = pcm;
+
+ if (gus->codec_flag)
+ kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control1, gus);
+ else
+ kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control, gus);
+ kctl->id.index = control_index;
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
diff --git a/sound/isa/gus/gus_reset.c b/sound/isa/gus/gus_reset.c
new file mode 100644
index 0000000000..9a1ab5872c
--- /dev/null
+++ b/sound/isa/gus/gus_reset.c
@@ -0,0 +1,394 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/time.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+
+extern int snd_gf1_synth_init(struct snd_gus_card * gus);
+extern void snd_gf1_synth_done(struct snd_gus_card * gus);
+
+/*
+ * ok.. default interrupt handlers...
+ */
+
+static void snd_gf1_default_interrupt_handler_midi_out(struct snd_gus_card * gus)
+{
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x20);
+}
+
+static void snd_gf1_default_interrupt_handler_midi_in(struct snd_gus_card * gus)
+{
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd &= ~0x80);
+}
+
+static void snd_gf1_default_interrupt_handler_timer1(struct snd_gus_card * gus)
+{
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~4);
+}
+
+static void snd_gf1_default_interrupt_handler_timer2(struct snd_gus_card * gus)
+{
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, gus->gf1.timer_enabled &= ~8);
+}
+
+static void snd_gf1_default_interrupt_handler_wave_and_volume(struct snd_gus_card * gus, struct snd_gus_voice * voice)
+{
+ snd_gf1_i_ctrl_stop(gus, 0x00);
+ snd_gf1_i_ctrl_stop(gus, 0x0d);
+}
+
+static void snd_gf1_default_interrupt_handler_dma_write(struct snd_gus_card * gus)
+{
+ snd_gf1_i_write8(gus, 0x41, 0x00);
+}
+
+static void snd_gf1_default_interrupt_handler_dma_read(struct snd_gus_card * gus)
+{
+ snd_gf1_i_write8(gus, 0x49, 0x00);
+}
+
+void snd_gf1_set_default_handlers(struct snd_gus_card * gus, unsigned int what)
+{
+ if (what & SNDRV_GF1_HANDLER_MIDI_OUT)
+ gus->gf1.interrupt_handler_midi_out = snd_gf1_default_interrupt_handler_midi_out;
+ if (what & SNDRV_GF1_HANDLER_MIDI_IN)
+ gus->gf1.interrupt_handler_midi_in = snd_gf1_default_interrupt_handler_midi_in;
+ if (what & SNDRV_GF1_HANDLER_TIMER1)
+ gus->gf1.interrupt_handler_timer1 = snd_gf1_default_interrupt_handler_timer1;
+ if (what & SNDRV_GF1_HANDLER_TIMER2)
+ gus->gf1.interrupt_handler_timer2 = snd_gf1_default_interrupt_handler_timer2;
+ if (what & SNDRV_GF1_HANDLER_VOICE) {
+ struct snd_gus_voice *voice;
+
+ voice = &gus->gf1.voices[what & 0xffff];
+ voice->handler_wave =
+ voice->handler_volume = snd_gf1_default_interrupt_handler_wave_and_volume;
+ voice->handler_effect = NULL;
+ voice->volume_change = NULL;
+ }
+ if (what & SNDRV_GF1_HANDLER_DMA_WRITE)
+ gus->gf1.interrupt_handler_dma_write = snd_gf1_default_interrupt_handler_dma_write;
+ if (what & SNDRV_GF1_HANDLER_DMA_READ)
+ gus->gf1.interrupt_handler_dma_read = snd_gf1_default_interrupt_handler_dma_read;
+}
+
+/*
+
+ */
+
+static void snd_gf1_clear_regs(struct snd_gus_card * gus)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ inb(GUSP(gus, IRQSTAT));
+ snd_gf1_write8(gus, 0x41, 0); /* DRAM DMA Control Register */
+ snd_gf1_write8(gus, 0x45, 0); /* Timer Control */
+ snd_gf1_write8(gus, 0x49, 0); /* Sampling Control Register */
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+}
+
+static void snd_gf1_look_regs(struct snd_gus_card * gus)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_look8(gus, 0x41); /* DRAM DMA Control Register */
+ snd_gf1_look8(gus, 0x49); /* Sampling Control Register */
+ inb(GUSP(gus, IRQSTAT));
+ snd_gf1_read8(gus, 0x0f); /* IRQ Source Register */
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+}
+
+/*
+ * put selected GF1 voices to initial stage...
+ */
+
+void snd_gf1_smart_stop_voice(struct snd_gus_card * gus, unsigned short voice)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_select_voice(gus, voice);
+#if 0
+ printk(KERN_DEBUG " -%i- smart stop voice - volume = 0x%x\n", voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME));
+#endif
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+}
+
+void snd_gf1_stop_voice(struct snd_gus_card * gus, unsigned short voice)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_select_voice(gus, voice);
+#if 0
+ printk(KERN_DEBUG " -%i- stop voice - volume = 0x%x\n", voice, snd_gf1_i_read16(gus, SNDRV_GF1_VW_VOLUME));
+#endif
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL);
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
+ if (gus->gf1.enh_mode)
+ snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+#if 0
+ snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_VIBRATO);
+ snd_gf1_lfo_shutdown(gus, voice, ULTRA_LFO_TREMOLO);
+#endif
+}
+
+static void snd_gf1_clear_voices(struct snd_gus_card * gus, unsigned short v_min,
+ unsigned short v_max)
+{
+ unsigned long flags;
+ unsigned int daddr;
+ unsigned short i, w_16;
+
+ daddr = gus->gf1.default_voice_address << 4;
+ for (i = v_min; i <= v_max; i++) {
+#if 0
+ if (gus->gf1.syn_voices)
+ gus->gf1.syn_voices[i].flags = ~VFLG_DYNAMIC;
+#endif
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_select_voice(gus, i);
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); /* Voice Control Register = voice stop */
+ snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); /* Volume Ramp Control Register = ramp off */
+ if (gus->gf1.enh_mode)
+ snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, gus->gf1.memory ? 0x02 : 0x82); /* Deactivate voice */
+ w_16 = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & 0x04;
+ snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, 0x400);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, daddr, w_16);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, daddr, w_16);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, 0);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, 0);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0);
+ snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, 0);
+ snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, daddr, w_16);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, 7);
+ if (gus->gf1.enh_mode) {
+ snd_gf1_write8(gus, SNDRV_GF1_VB_ACCUMULATOR, 0);
+ snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME, 0);
+ snd_gf1_write16(gus, SNDRV_GF1_VW_EFFECT_VOLUME_FINAL, 0);
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+#if 0
+ snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_VIBRATO);
+ snd_gf1_lfo_shutdown(gus, i, ULTRA_LFO_TREMOLO);
+#endif
+ }
+}
+
+void snd_gf1_stop_voices(struct snd_gus_card * gus, unsigned short v_min, unsigned short v_max)
+{
+ unsigned long flags;
+ short i, ramp_ok;
+ unsigned short ramp_end;
+
+ if (!in_interrupt()) { /* this can't be done in interrupt */
+ for (i = v_min, ramp_ok = 0; i <= v_max; i++) {
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_select_voice(gus, i);
+ ramp_end = snd_gf1_read16(gus, 9) >> 8;
+ if (ramp_end > SNDRV_GF1_MIN_OFFSET) {
+ ramp_ok++;
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 20); /* ramp rate */
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); /* ramp start */
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, ramp_end); /* ramp end */
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40); /* ramp down */
+ if (gus->gf1.enh_mode) {
+ snd_gf1_delay(gus);
+ snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, 0x40);
+ }
+ }
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ }
+ msleep_interruptible(50);
+ }
+ snd_gf1_clear_voices(gus, v_min, v_max);
+}
+
+static void snd_gf1_alloc_voice_use(struct snd_gus_card * gus,
+ struct snd_gus_voice * pvoice,
+ int type, int client, int port)
+{
+ pvoice->use = 1;
+ switch (type) {
+ case SNDRV_GF1_VOICE_TYPE_PCM:
+ gus->gf1.pcm_alloc_voices++;
+ pvoice->pcm = 1;
+ break;
+ case SNDRV_GF1_VOICE_TYPE_SYNTH:
+ pvoice->synth = 1;
+ pvoice->client = client;
+ pvoice->port = port;
+ break;
+ case SNDRV_GF1_VOICE_TYPE_MIDI:
+ pvoice->midi = 1;
+ pvoice->client = client;
+ pvoice->port = port;
+ break;
+ }
+}
+
+struct snd_gus_voice *snd_gf1_alloc_voice(struct snd_gus_card * gus, int type, int client, int port)
+{
+ struct snd_gus_voice *pvoice;
+ unsigned long flags;
+ int idx;
+
+ spin_lock_irqsave(&gus->voice_alloc, flags);
+ if (type == SNDRV_GF1_VOICE_TYPE_PCM) {
+ if (gus->gf1.pcm_alloc_voices >= gus->gf1.pcm_channels) {
+ spin_unlock_irqrestore(&gus->voice_alloc, flags);
+ return NULL;
+ }
+ }
+ for (idx = 0; idx < 32; idx++) {
+ pvoice = &gus->gf1.voices[idx];
+ if (!pvoice->use) {
+ snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
+ spin_unlock_irqrestore(&gus->voice_alloc, flags);
+ return pvoice;
+ }
+ }
+ for (idx = 0; idx < 32; idx++) {
+ pvoice = &gus->gf1.voices[idx];
+ if (pvoice->midi && !pvoice->client) {
+ snd_gf1_clear_voices(gus, pvoice->number, pvoice->number);
+ snd_gf1_alloc_voice_use(gus, pvoice, type, client, port);
+ spin_unlock_irqrestore(&gus->voice_alloc, flags);
+ return pvoice;
+ }
+ }
+ spin_unlock_irqrestore(&gus->voice_alloc, flags);
+ return NULL;
+}
+
+void snd_gf1_free_voice(struct snd_gus_card * gus, struct snd_gus_voice *voice)
+{
+ unsigned long flags;
+ void (*private_free)(struct snd_gus_voice *voice);
+
+ if (voice == NULL || !voice->use)
+ return;
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | voice->number);
+ snd_gf1_clear_voices(gus, voice->number, voice->number);
+ spin_lock_irqsave(&gus->voice_alloc, flags);
+ private_free = voice->private_free;
+ voice->private_free = NULL;
+ voice->private_data = NULL;
+ if (voice->pcm)
+ gus->gf1.pcm_alloc_voices--;
+ voice->use = voice->pcm = 0;
+ voice->sample_ops = NULL;
+ spin_unlock_irqrestore(&gus->voice_alloc, flags);
+ if (private_free)
+ private_free(voice);
+}
+
+/*
+ * call this function only by start of driver
+ */
+
+int snd_gf1_start(struct snd_gus_card * gus)
+{
+ unsigned long flags;
+ unsigned int i;
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
+
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_ALL);
+ for (i = 0; i < 32; i++) {
+ gus->gf1.voices[i].number = i;
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_VOICE | i);
+ }
+
+ snd_gf1_uart_cmd(gus, 0x03); /* huh.. this cleanup took me some time... */
+
+ if (gus->gf1.enh_mode) { /* enhanced mode !!!! */
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
+ }
+ snd_gf1_clear_regs(gus);
+ snd_gf1_select_active_voices(gus);
+ snd_gf1_delay(gus);
+ gus->gf1.default_voice_address = gus->gf1.memory > 0 ? 0 : 512 - 8;
+ /* initialize LFOs & clear LFOs memory */
+ if (gus->gf1.enh_mode && gus->gf1.memory) {
+ gus->gf1.hw_lfo = 1;
+ gus->gf1.default_voice_address += 1024;
+ } else {
+ gus->gf1.sw_lfo = 1;
+ }
+#if 0
+ snd_gf1_lfo_init(gus);
+#endif
+ if (gus->gf1.memory > 0)
+ for (i = 0; i < 4; i++)
+ snd_gf1_poke(gus, gus->gf1.default_voice_address + i, 0);
+ snd_gf1_clear_regs(gus);
+ snd_gf1_clear_voices(gus, 0, 31);
+ snd_gf1_look_regs(gus);
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 7); /* Reset Register = IRQ enable, DAC enable */
+ if (gus->gf1.enh_mode) { /* enhanced mode !!!! */
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_i_look8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01);
+ }
+ while ((snd_gf1_i_read8(gus, SNDRV_GF1_GB_VOICES_IRQ) & 0xc0) != 0xc0);
+
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ outb(gus->gf1.active_voice = 0, GUSP(gus, GF1PAGE));
+ outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+
+ snd_gf1_timers_init(gus);
+ snd_gf1_look_regs(gus);
+ snd_gf1_mem_init(gus);
+ snd_gf1_mem_proc_init(gus);
+#ifdef CONFIG_SND_DEBUG
+ snd_gus_irq_profile_init(gus);
+#endif
+
+#if 0
+ if (gus->pnp_flag) {
+ if (gus->chip.playback_fifo_size > 0)
+ snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR, gus->chip.playback_fifo_block->ptr >> 8);
+ if (gus->chip.record_fifo_size > 0)
+ snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR, gus->chip.record_fifo_block->ptr >> 8);
+ snd_gf1_i_write16(gus, SNDRV_GF1_GW_FIFO_SIZE, gus->chip.interwave_fifo_reg);
+ }
+#endif
+
+ return 0;
+}
+
+/*
+ * call this function only by shutdown of driver
+ */
+
+int snd_gf1_stop(struct snd_gus_card * gus)
+{
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0); /* stop all timers */
+ snd_gf1_stop_voices(gus, 0, 31); /* stop all voices */
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* disable IRQ & DAC */
+ snd_gf1_timers_done(gus);
+ snd_gf1_mem_done(gus);
+#if 0
+ snd_gf1_lfo_done(gus);
+#endif
+ return 0;
+}
diff --git a/sound/isa/gus/gus_tables.h b/sound/isa/gus/gus_tables.h
new file mode 100644
index 0000000000..ea0f007fa2
--- /dev/null
+++ b/sound/isa/gus/gus_tables.h
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#define SNDRV_GF1_SCALE_TABLE_SIZE 128
+#define SNDRV_GF1_ATTEN_TABLE_SIZE 128
+
+#ifdef __GUS_TABLES_ALLOC__
+
+#if 0
+
+unsigned int snd_gf1_scale_table[SNDRV_GF1_SCALE_TABLE_SIZE] =
+{
+ 8372, 8870, 9397, 9956, 10548, 11175,
+ 11840, 12544, 13290, 14080, 14917, 15804,
+ 16744, 17740, 18795, 19912, 21096, 22351,
+ 23680, 25088, 26580, 28160, 29834, 31609,
+ 33488, 35479, 37589, 39824, 42192, 44701,
+ 47359, 50175, 53159, 56320, 59669, 63217,
+ 66976, 70959, 75178, 79649, 84385, 89402,
+ 94719, 100351, 106318, 112640, 119338, 126434,
+ 133952, 141918, 150356, 159297, 168769, 178805,
+ 189437, 200702, 212636, 225280, 238676, 252868,
+ 267905, 283835, 300713, 318594, 337539, 357610,
+ 378874, 401403, 425272, 450560, 477352, 505737,
+ 535809, 567670, 601425, 637188, 675077, 715219,
+ 757749, 802807, 850544, 901120, 954703, 1011473,
+ 1071618, 1135340, 1202851, 1274376, 1350154, 1430439,
+ 1515497, 1605613, 1701088, 1802240, 1909407, 2022946,
+ 2143237, 2270680, 2405702, 2548752, 2700309, 2860878,
+ 3030994, 3211227, 3402176, 3604480, 3818814, 4045892,
+ 4286473, 4541360, 4811404, 5097505, 5400618, 5721755,
+ 6061989, 6422453, 6804352, 7208960, 7637627, 8091784,
+ 8572947, 9082720, 9622807, 10195009, 10801236, 11443511,
+ 12123977, 12844906
+};
+
+#endif /* 0 */
+
+unsigned short snd_gf1_atten_table[SNDRV_GF1_ATTEN_TABLE_SIZE] = {
+ 4095 /* 0 */,1789 /* 1 */,1533 /* 2 */,1383 /* 3 */,1277 /* 4 */,
+ 1195 /* 5 */,1127 /* 6 */,1070 /* 7 */,1021 /* 8 */,978 /* 9 */,
+ 939 /* 10 */,903 /* 11 */,871 /* 12 */,842 /* 13 */,814 /* 14 */,
+ 789 /* 15 */,765 /* 16 */,743 /* 17 */,722 /* 18 */,702 /* 19 */,
+ 683 /* 20 */,665 /* 21 */,647 /* 22 */,631 /* 23 */,615 /* 24 */,
+ 600 /* 25 */,586 /* 26 */,572 /* 27 */,558 /* 28 */,545 /* 29 */,
+ 533 /* 30 */,521 /* 31 */,509 /* 32 */,498 /* 33 */,487 /* 34 */,
+ 476 /* 35 */,466 /* 36 */,455 /* 37 */,446 /* 38 */,436 /* 39 */,
+ 427 /* 40 */,418 /* 41 */,409 /* 42 */,400 /* 43 */,391 /* 44 */,
+ 383 /* 45 */,375 /* 46 */,367 /* 47 */,359 /* 48 */,352 /* 49 */,
+ 344 /* 50 */,337 /* 51 */,330 /* 52 */,323 /* 53 */,316 /* 54 */,
+ 309 /* 55 */,302 /* 56 */,296 /* 57 */,289 /* 58 */,283 /* 59 */,
+ 277 /* 60 */,271 /* 61 */,265 /* 62 */,259 /* 63 */,253 /* 64 */,
+ 247 /* 65 */,242 /* 66 */,236 /* 67 */,231 /* 68 */,225 /* 69 */,
+ 220 /* 70 */,215 /* 71 */,210 /* 72 */,205 /* 73 */,199 /* 74 */,
+ 195 /* 75 */,190 /* 76 */,185 /* 77 */,180 /* 78 */,175 /* 79 */,
+ 171 /* 80 */,166 /* 81 */,162 /* 82 */,157 /* 83 */,153 /* 84 */,
+ 148 /* 85 */,144 /* 86 */,140 /* 87 */,135 /* 88 */,131 /* 89 */,
+ 127 /* 90 */,123 /* 91 */,119 /* 92 */,115 /* 93 */,111 /* 94 */,
+ 107 /* 95 */,103 /* 96 */,100 /* 97 */,96 /* 98 */,92 /* 99 */,
+ 88 /* 100 */,85 /* 101 */,81 /* 102 */,77 /* 103 */,74 /* 104 */,
+ 70 /* 105 */,67 /* 106 */,63 /* 107 */,60 /* 108 */,56 /* 109 */,
+ 53 /* 110 */,50 /* 111 */,46 /* 112 */,43 /* 113 */,40 /* 114 */,
+ 37 /* 115 */,33 /* 116 */,30 /* 117 */,27 /* 118 */,24 /* 119 */,
+ 21 /* 120 */,18 /* 121 */,15 /* 122 */,12 /* 123 */,9 /* 124 */,
+ 6 /* 125 */,3 /* 126 */,0 /* 127 */,
+};
+
+#else
+
+extern unsigned int snd_gf1_scale_table[SNDRV_GF1_SCALE_TABLE_SIZE];
+extern unsigned short snd_gf1_atten_table[SNDRV_GF1_ATTEN_TABLE_SIZE];
+
+#endif
diff --git a/sound/isa/gus/gus_timer.c b/sound/isa/gus/gus_timer.c
new file mode 100644
index 0000000000..047ddbc619
--- /dev/null
+++ b/sound/isa/gus/gus_timer.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Routines for Gravis UltraSound soundcards - Timers
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *
+ * GUS have similar timers as AdLib (OPL2/OPL3 chips).
+ */
+
+#include <linux/time.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+
+/*
+ * Timer 1 - 80us
+ */
+
+static int snd_gf1_timer1_start(struct snd_timer * timer)
+{
+ unsigned long flags;
+ unsigned char tmp;
+ unsigned int ticks;
+ struct snd_gus_card *gus;
+
+ gus = snd_timer_chip(timer);
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ ticks = timer->sticks;
+ tmp = (gus->gf1.timer_enabled |= 4);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1, 256 - ticks); /* timer 1 count */
+ snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* enable timer 1 IRQ */
+ snd_gf1_adlib_write(gus, 0x04, tmp >> 2); /* timer 2 start */
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return 0;
+}
+
+static int snd_gf1_timer1_stop(struct snd_timer * timer)
+{
+ unsigned long flags;
+ unsigned char tmp;
+ struct snd_gus_card *gus;
+
+ gus = snd_timer_chip(timer);
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ tmp = (gus->gf1.timer_enabled &= ~4);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* disable timer #1 */
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return 0;
+}
+
+/*
+ * Timer 2 - 320us
+ */
+
+static int snd_gf1_timer2_start(struct snd_timer * timer)
+{
+ unsigned long flags;
+ unsigned char tmp;
+ unsigned int ticks;
+ struct snd_gus_card *gus;
+
+ gus = snd_timer_chip(timer);
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ ticks = timer->sticks;
+ tmp = (gus->gf1.timer_enabled |= 8);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2, 256 - ticks); /* timer 2 count */
+ snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* enable timer 2 IRQ */
+ snd_gf1_adlib_write(gus, 0x04, tmp >> 2); /* timer 2 start */
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return 0;
+}
+
+static int snd_gf1_timer2_stop(struct snd_timer * timer)
+{
+ unsigned long flags;
+ unsigned char tmp;
+ struct snd_gus_card *gus;
+
+ gus = snd_timer_chip(timer);
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ tmp = (gus->gf1.timer_enabled &= ~8);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, tmp); /* disable timer #1 */
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ return 0;
+}
+
+/*
+
+ */
+
+static void snd_gf1_interrupt_timer1(struct snd_gus_card * gus)
+{
+ struct snd_timer *timer = gus->gf1.timer1;
+
+ if (timer == NULL)
+ return;
+ snd_timer_interrupt(timer, timer->sticks);
+}
+
+static void snd_gf1_interrupt_timer2(struct snd_gus_card * gus)
+{
+ struct snd_timer *timer = gus->gf1.timer2;
+
+ if (timer == NULL)
+ return;
+ snd_timer_interrupt(timer, timer->sticks);
+}
+
+/*
+
+ */
+
+static const struct snd_timer_hardware snd_gf1_timer1 =
+{
+ .flags = SNDRV_TIMER_HW_STOP,
+ .resolution = 80000,
+ .ticks = 256,
+ .start = snd_gf1_timer1_start,
+ .stop = snd_gf1_timer1_stop,
+};
+
+static const struct snd_timer_hardware snd_gf1_timer2 =
+{
+ .flags = SNDRV_TIMER_HW_STOP,
+ .resolution = 320000,
+ .ticks = 256,
+ .start = snd_gf1_timer2_start,
+ .stop = snd_gf1_timer2_stop,
+};
+
+static void snd_gf1_timer1_free(struct snd_timer *timer)
+{
+ struct snd_gus_card *gus = timer->private_data;
+ gus->gf1.timer1 = NULL;
+}
+
+static void snd_gf1_timer2_free(struct snd_timer *timer)
+{
+ struct snd_gus_card *gus = timer->private_data;
+ gus->gf1.timer2 = NULL;
+}
+
+void snd_gf1_timers_init(struct snd_gus_card * gus)
+{
+ struct snd_timer *timer;
+ struct snd_timer_id tid;
+
+ if (gus->gf1.timer1 != NULL || gus->gf1.timer2 != NULL)
+ return;
+
+ gus->gf1.interrupt_handler_timer1 = snd_gf1_interrupt_timer1;
+ gus->gf1.interrupt_handler_timer2 = snd_gf1_interrupt_timer2;
+
+ tid.dev_class = SNDRV_TIMER_CLASS_CARD;
+ tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
+ tid.card = gus->card->number;
+ tid.device = gus->timer_dev;
+ tid.subdevice = 0;
+
+ if (snd_timer_new(gus->card, "GF1 timer", &tid, &timer) >= 0) {
+ strcpy(timer->name, "GF1 timer #1");
+ timer->private_data = gus;
+ timer->private_free = snd_gf1_timer1_free;
+ timer->hw = snd_gf1_timer1;
+ }
+ gus->gf1.timer1 = timer;
+
+ tid.device++;
+
+ if (snd_timer_new(gus->card, "GF1 timer", &tid, &timer) >= 0) {
+ strcpy(timer->name, "GF1 timer #2");
+ timer->private_data = gus;
+ timer->private_free = snd_gf1_timer2_free;
+ timer->hw = snd_gf1_timer2;
+ }
+ gus->gf1.timer2 = timer;
+}
+
+void snd_gf1_timers_done(struct snd_gus_card * gus)
+{
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_TIMER1 | SNDRV_GF1_HANDLER_TIMER2);
+ if (gus->gf1.timer1) {
+ snd_device_free(gus->card, gus->gf1.timer1);
+ gus->gf1.timer1 = NULL;
+ }
+ if (gus->gf1.timer2) {
+ snd_device_free(gus->card, gus->gf1.timer2);
+ gus->gf1.timer2 = NULL;
+ }
+}
diff --git a/sound/isa/gus/gus_uart.c b/sound/isa/gus/gus_uart.c
new file mode 100644
index 0000000000..3975848160
--- /dev/null
+++ b/sound/isa/gus/gus_uart.c
@@ -0,0 +1,245 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Routines for the GF1 MIDI interface - like UART 6850
+ */
+
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/time.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+
+static void snd_gf1_interrupt_midi_in(struct snd_gus_card * gus)
+{
+ int count;
+ unsigned char stat, byte;
+ __always_unused unsigned char data;
+ unsigned long flags;
+
+ count = 10;
+ while (count) {
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ stat = snd_gf1_uart_stat(gus);
+ if (!(stat & 0x01)) { /* data in Rx FIFO? */
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ count--;
+ continue;
+ }
+ count = 100; /* arm counter to new value */
+ data = snd_gf1_uart_get(gus);
+ if (!(gus->gf1.uart_cmd & 0x80)) {
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ continue;
+ }
+ if (stat & 0x10) { /* framing error */
+ gus->gf1.uart_framing++;
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ continue;
+ }
+ byte = snd_gf1_uart_get(gus);
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ snd_rawmidi_receive(gus->midi_substream_input, &byte, 1);
+ if (stat & 0x20) {
+ gus->gf1.uart_overrun++;
+ }
+ }
+}
+
+static void snd_gf1_interrupt_midi_out(struct snd_gus_card * gus)
+{
+ char byte;
+ unsigned long flags;
+
+ /* try unlock output */
+ if (snd_gf1_uart_stat(gus) & 0x01)
+ snd_gf1_interrupt_midi_in(gus);
+
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (snd_gf1_uart_stat(gus) & 0x02) { /* Tx FIFO free? */
+ if (snd_rawmidi_transmit(gus->midi_substream_output, &byte, 1) != 1) { /* no other bytes or error */
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20); /* disable Tx interrupt */
+ } else {
+ snd_gf1_uart_put(gus, byte);
+ }
+ }
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+}
+
+static void snd_gf1_uart_reset(struct snd_gus_card * gus, int close)
+{
+ snd_gf1_uart_cmd(gus, 0x03); /* reset */
+ if (!close && gus->uart_enable) {
+ udelay(160);
+ snd_gf1_uart_cmd(gus, 0x00); /* normal operations */
+ }
+}
+
+static int snd_gf1_uart_output_open(struct snd_rawmidi_substream *substream)
+{
+ unsigned long flags;
+ struct snd_gus_card *gus;
+
+ gus = substream->rmidi->private_data;
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (!(gus->gf1.uart_cmd & 0x80)) { /* input active? */
+ snd_gf1_uart_reset(gus, 0);
+ }
+ gus->gf1.interrupt_handler_midi_out = snd_gf1_interrupt_midi_out;
+ gus->midi_substream_output = substream;
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+#if 0
+ snd_printk(KERN_DEBUG "write init - cmd = 0x%x, stat = 0x%x\n", gus->gf1.uart_cmd, snd_gf1_uart_stat(gus));
+#endif
+ return 0;
+}
+
+static int snd_gf1_uart_input_open(struct snd_rawmidi_substream *substream)
+{
+ unsigned long flags;
+ struct snd_gus_card *gus;
+ int i;
+
+ gus = substream->rmidi->private_data;
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out) {
+ snd_gf1_uart_reset(gus, 0);
+ }
+ gus->gf1.interrupt_handler_midi_in = snd_gf1_interrupt_midi_in;
+ gus->midi_substream_input = substream;
+ if (gus->uart_enable) {
+ for (i = 0; i < 1000 && (snd_gf1_uart_stat(gus) & 0x01); i++)
+ snd_gf1_uart_get(gus); /* clean Rx */
+ if (i >= 1000)
+ snd_printk(KERN_ERR "gus midi uart init read - cleanup error\n");
+ }
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+#if 0
+ snd_printk(KERN_DEBUG
+ "read init - enable = %i, cmd = 0x%x, stat = 0x%x\n",
+ gus->uart_enable, gus->gf1.uart_cmd, snd_gf1_uart_stat(gus));
+ snd_printk(KERN_DEBUG
+ "[0x%x] reg (ctrl/status) = 0x%x, reg (data) = 0x%x "
+ "(page = 0x%x)\n",
+ gus->gf1.port + 0x100, inb(gus->gf1.port + 0x100),
+ inb(gus->gf1.port + 0x101), inb(gus->gf1.port + 0x102));
+#endif
+ return 0;
+}
+
+static int snd_gf1_uart_output_close(struct snd_rawmidi_substream *substream)
+{
+ unsigned long flags;
+ struct snd_gus_card *gus;
+
+ gus = substream->rmidi->private_data;
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (gus->gf1.interrupt_handler_midi_in != snd_gf1_interrupt_midi_in)
+ snd_gf1_uart_reset(gus, 1);
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_OUT);
+ gus->midi_substream_output = NULL;
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ return 0;
+}
+
+static int snd_gf1_uart_input_close(struct snd_rawmidi_substream *substream)
+{
+ unsigned long flags;
+ struct snd_gus_card *gus;
+
+ gus = substream->rmidi->private_data;
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (gus->gf1.interrupt_handler_midi_out != snd_gf1_interrupt_midi_out)
+ snd_gf1_uart_reset(gus, 1);
+ snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_MIDI_IN);
+ gus->midi_substream_input = NULL;
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ return 0;
+}
+
+static void snd_gf1_uart_input_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ struct snd_gus_card *gus;
+ unsigned long flags;
+
+ gus = substream->rmidi->private_data;
+
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (up) {
+ if ((gus->gf1.uart_cmd & 0x80) == 0)
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x80); /* enable Rx interrupts */
+ } else {
+ if (gus->gf1.uart_cmd & 0x80)
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x80); /* disable Rx interrupts */
+ }
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+}
+
+static void snd_gf1_uart_output_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ unsigned long flags;
+ struct snd_gus_card *gus;
+ char byte;
+ int timeout;
+
+ gus = substream->rmidi->private_data;
+
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (up) {
+ if ((gus->gf1.uart_cmd & 0x20) == 0) {
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ /* wait for empty Rx - Tx is probably unlocked */
+ timeout = 10000;
+ while (timeout-- > 0 && snd_gf1_uart_stat(gus) & 0x01);
+ /* Tx FIFO free? */
+ spin_lock_irqsave(&gus->uart_cmd_lock, flags);
+ if (gus->gf1.uart_cmd & 0x20) {
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ return;
+ }
+ if (snd_gf1_uart_stat(gus) & 0x02) {
+ if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+ return;
+ }
+ snd_gf1_uart_put(gus, byte);
+ }
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd | 0x20); /* enable Tx interrupt */
+ }
+ } else {
+ if (gus->gf1.uart_cmd & 0x20)
+ snd_gf1_uart_cmd(gus, gus->gf1.uart_cmd & ~0x20);
+ }
+ spin_unlock_irqrestore(&gus->uart_cmd_lock, flags);
+}
+
+static const struct snd_rawmidi_ops snd_gf1_uart_output =
+{
+ .open = snd_gf1_uart_output_open,
+ .close = snd_gf1_uart_output_close,
+ .trigger = snd_gf1_uart_output_trigger,
+};
+
+static const struct snd_rawmidi_ops snd_gf1_uart_input =
+{
+ .open = snd_gf1_uart_input_open,
+ .close = snd_gf1_uart_input_close,
+ .trigger = snd_gf1_uart_input_trigger,
+};
+
+int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device)
+{
+ struct snd_rawmidi *rmidi;
+ int err;
+
+ err = snd_rawmidi_new(gus->card, "GF1", device, 1, 1, &rmidi);
+ if (err < 0)
+ return err;
+ strcpy(rmidi->name, gus->interwave ? "AMD InterWave" : "GF1");
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_gf1_uart_output);
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_gf1_uart_input);
+ rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX;
+ rmidi->private_data = gus;
+ gus->midi_uart = rmidi;
+ return err;
+}
diff --git a/sound/isa/gus/gus_volume.c b/sound/isa/gus/gus_volume.c
new file mode 100644
index 0000000000..ed72196a36
--- /dev/null
+++ b/sound/isa/gus/gus_volume.c
@@ -0,0 +1,204 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/time.h>
+#include <linux/export.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#define __GUS_TABLES_ALLOC__
+#include "gus_tables.h"
+
+EXPORT_SYMBOL(snd_gf1_atten_table); /* for snd-gus-synth module */
+
+unsigned short snd_gf1_lvol_to_gvol_raw(unsigned int vol)
+{
+ unsigned short e, m, tmp;
+
+ if (vol > 65535)
+ vol = 65535;
+ tmp = vol;
+ e = 7;
+ if (tmp < 128) {
+ while (e > 0 && tmp < (1 << e))
+ e--;
+ } else {
+ while (tmp > 255) {
+ tmp >>= 1;
+ e++;
+ }
+ }
+ m = vol - (1 << e);
+ if (m > 0) {
+ if (e > 8)
+ m >>= e - 8;
+ else if (e < 8)
+ m <<= 8 - e;
+ m &= 255;
+ }
+ return (e << 8) | m;
+}
+
+#if 0
+
+unsigned int snd_gf1_gvol_to_lvol_raw(unsigned short gf1_vol)
+{
+ unsigned int rvol;
+ unsigned short e, m;
+
+ if (!gf1_vol)
+ return 0;
+ e = gf1_vol >> 8;
+ m = (unsigned char) gf1_vol;
+ rvol = 1 << e;
+ if (e > 8)
+ return rvol | (m << (e - 8));
+ return rvol | (m >> (8 - e));
+}
+
+unsigned int snd_gf1_calc_ramp_rate(struct snd_gus_card * gus,
+ unsigned short start,
+ unsigned short end,
+ unsigned int us)
+{
+ static const unsigned char vol_rates[19] =
+ {
+ 23, 24, 26, 28, 29, 31, 32, 34,
+ 36, 37, 39, 40, 42, 44, 45, 47,
+ 49, 50, 52
+ };
+ unsigned short range, increment, value, i;
+
+ start >>= 4;
+ end >>= 4;
+ if (start < end)
+ us /= end - start;
+ else
+ us /= start - end;
+ range = 4;
+ value = gus->gf1.enh_mode ?
+ vol_rates[0] :
+ vol_rates[gus->gf1.active_voices - 14];
+ for (i = 0; i < 3; i++) {
+ if (us < value) {
+ range = i;
+ break;
+ } else
+ value <<= 3;
+ }
+ if (range == 4) {
+ range = 3;
+ increment = 1;
+ } else
+ increment = (value + (value >> 1)) / us;
+ return (range << 6) | (increment & 0x3f);
+}
+
+#endif /* 0 */
+
+unsigned short snd_gf1_translate_freq(struct snd_gus_card * gus, unsigned int freq16)
+{
+ freq16 >>= 3;
+ if (freq16 < 50)
+ freq16 = 50;
+ if (freq16 & 0xf8000000) {
+ freq16 = ~0xf8000000;
+ snd_printk(KERN_ERR "snd_gf1_translate_freq: overflow - freq = 0x%x\n", freq16);
+ }
+ return ((freq16 << 9) + (gus->gf1.playback_freq >> 1)) / gus->gf1.playback_freq;
+}
+
+#if 0
+
+short snd_gf1_compute_vibrato(short cents, unsigned short fc_register)
+{
+ static const short vibrato_table[] =
+ {
+ 0, 0, 32, 592, 61, 1175, 93, 1808,
+ 124, 2433, 152, 3007, 182, 3632, 213, 4290,
+ 241, 4834, 255, 5200
+ };
+
+ long depth;
+ const short *vi1, *vi2;
+ short pcents, v1;
+
+ pcents = cents < 0 ? -cents : cents;
+ for (vi1 = vibrato_table, vi2 = vi1 + 2; pcents > *vi2; vi1 = vi2, vi2 += 2);
+ v1 = *(vi1 + 1);
+ /* The FC table above is a list of pairs. The first number in the pair */
+ /* is the cents index from 0-255 cents, and the second number in the */
+ /* pair is the FC adjustment needed to change the pitch by the indexed */
+ /* number of cents. The table was created for an FC of 32768. */
+ /* The following expression does a linear interpolation against the */
+ /* approximated log curve in the table above, and then scales the number */
+ /* by the FC before the LFO. This calculation also adjusts the output */
+ /* value to produce the appropriate depth for the hardware. The depth */
+ /* is 2 * desired FC + 1. */
+ depth = (((int) (*(vi2 + 1) - *vi1) * (pcents - *vi1) / (*vi2 - *vi1)) + v1) * fc_register >> 14;
+ if (depth)
+ depth++;
+ if (depth > 255)
+ depth = 255;
+ return cents < 0 ? -(short) depth : (short) depth;
+}
+
+unsigned short snd_gf1_compute_pitchbend(unsigned short pitchbend, unsigned short sens)
+{
+ static const long log_table[] = {1024, 1085, 1149, 1218, 1290, 1367, 1448, 1534, 1625, 1722, 1825, 1933};
+ int wheel, sensitivity;
+ unsigned int mantissa, f1, f2;
+ unsigned short semitones, f1_index, f2_index, f1_power, f2_power;
+ char bend_down = 0;
+ int bend;
+
+ if (!sens)
+ return 1024;
+ wheel = (int) pitchbend - 8192;
+ sensitivity = ((int) sens * wheel) / 128;
+ if (sensitivity < 0) {
+ bend_down = 1;
+ sensitivity = -sensitivity;
+ }
+ semitones = (unsigned int) (sensitivity >> 13);
+ mantissa = sensitivity % 8192;
+ f1_index = semitones % 12;
+ f2_index = (semitones + 1) % 12;
+ f1_power = semitones / 12;
+ f2_power = (semitones + 1) / 12;
+ f1 = log_table[f1_index] << f1_power;
+ f2 = log_table[f2_index] << f2_power;
+ bend = (int) ((((f2 - f1) * mantissa) >> 13) + f1);
+ if (bend_down)
+ bend = 1048576L / bend;
+ return bend;
+}
+
+unsigned short snd_gf1_compute_freq(unsigned int freq,
+ unsigned int rate,
+ unsigned short mix_rate)
+{
+ unsigned int fc;
+ int scale = 0;
+
+ while (freq >= 4194304L) {
+ scale++;
+ freq >>= 1;
+ }
+ fc = (freq << 10) / rate;
+ if (fc > 97391L) {
+ fc = 97391;
+ snd_printk(KERN_ERR "patch: (1) fc frequency overflow - %u\n", fc);
+ }
+ fc = (fc * 44100UL) / mix_rate;
+ while (scale--)
+ fc <<= 1;
+ if (fc > 65535L) {
+ fc = 65535;
+ snd_printk(KERN_ERR "patch: (2) fc frequency overflow - %u\n", fc);
+ }
+ return (unsigned short) fc;
+}
+
+#endif /* 0 */
diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c
new file mode 100644
index 0000000000..09cc53ceea
--- /dev/null
+++ b/sound/isa/gus/gusclassic.c
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for Gravis UltraSound Classic soundcard
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/module.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+
+#define CRD_NAME "Gravis UltraSound Classic"
+#define DEV_NAME "gusclassic"
+
+MODULE_DESCRIPTION(CRD_NAME);
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */
+static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
+static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
+static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
+ /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
+static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
+static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
+module_param_hw_array(port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
+module_param_hw_array(irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
+module_param_hw_array(dma1, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
+module_param_hw_array(dma2, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
+module_param_array(joystick_dac, int, NULL, 0444);
+MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
+module_param_array(channels, int, NULL, 0444);
+MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
+module_param_array(pcm_channels, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
+
+static int snd_gusclassic_match(struct device *dev, unsigned int n)
+{
+ return enable[n];
+}
+
+static int snd_gusclassic_create(struct snd_card *card,
+ struct device *dev, unsigned int n,
+ struct snd_gus_card **rgus)
+{
+ static const long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
+ static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
+ static const int possible_dmas[] = {5, 6, 7, 1, 3, -1};
+
+ int i, error;
+
+ if (irq[n] == SNDRV_AUTO_IRQ) {
+ irq[n] = snd_legacy_find_free_irq(possible_irqs);
+ if (irq[n] < 0) {
+ dev_err(dev, "unable to find a free IRQ\n");
+ return -EBUSY;
+ }
+ }
+ if (dma1[n] == SNDRV_AUTO_DMA) {
+ dma1[n] = snd_legacy_find_free_dma(possible_dmas);
+ if (dma1[n] < 0) {
+ dev_err(dev, "unable to find a free DMA1\n");
+ return -EBUSY;
+ }
+ }
+ if (dma2[n] == SNDRV_AUTO_DMA) {
+ dma2[n] = snd_legacy_find_free_dma(possible_dmas);
+ if (dma2[n] < 0) {
+ dev_err(dev, "unable to find a free DMA2\n");
+ return -EBUSY;
+ }
+ }
+
+ if (port[n] != SNDRV_AUTO_PORT)
+ return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
+ 0, channels[n], pcm_channels[n], 0, rgus);
+
+ i = 0;
+ do {
+ port[n] = possible_ports[i];
+ error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
+ 0, channels[n], pcm_channels[n], 0, rgus);
+ } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
+
+ return error;
+}
+
+static int snd_gusclassic_detect(struct snd_gus_card *gus)
+{
+ unsigned char d;
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 0) {
+ snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
+ udelay(160);
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 1) {
+ snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static int snd_gusclassic_probe(struct device *dev, unsigned int n)
+{
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ int error;
+
+ error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
+ if (error < 0)
+ return error;
+
+ if (pcm_channels[n] < 2)
+ pcm_channels[n] = 2;
+
+ error = snd_gusclassic_create(card, dev, n, &gus);
+ if (error < 0)
+ return error;
+
+ error = snd_gusclassic_detect(gus);
+ if (error < 0)
+ return error;
+
+ gus->joystick_dac = joystick_dac[n];
+
+ error = snd_gus_initialize(gus);
+ if (error < 0)
+ return error;
+
+ error = -ENODEV;
+ if (gus->max_flag || gus->ess_flag) {
+ dev_err(dev, "GUS Classic or ACE soundcard was "
+ "not detected at 0x%lx\n", gus->gf1.port);
+ return error;
+ }
+
+ error = snd_gf1_new_mixer(gus);
+ if (error < 0)
+ return error;
+
+ error = snd_gf1_pcm_new(gus, 0, 0);
+ if (error < 0)
+ return error;
+
+ if (!gus->ace_flag) {
+ error = snd_gf1_rawmidi_new(gus, 0);
+ if (error < 0)
+ return error;
+ }
+
+ sprintf(card->longname + strlen(card->longname),
+ " at 0x%lx, irq %d, dma %d",
+ gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);
+
+ if (gus->gf1.dma2 >= 0)
+ sprintf(card->longname + strlen(card->longname),
+ "&%d", gus->gf1.dma2);
+
+ error = snd_card_register(card);
+ if (error < 0)
+ return error;
+
+ dev_set_drvdata(dev, card);
+ return 0;
+}
+
+static struct isa_driver snd_gusclassic_driver = {
+ .match = snd_gusclassic_match,
+ .probe = snd_gusclassic_probe,
+#if 0 /* FIXME */
+ .suspend = snd_gusclassic_suspend,
+#endif
+ .driver = {
+ .name = DEV_NAME
+ }
+};
+
+module_isa_driver(snd_gusclassic_driver, SNDRV_CARDS);
diff --git a/sound/isa/gus/gusextreme.c b/sound/isa/gus/gusextreme.c
new file mode 100644
index 0000000000..63d9f2d75d
--- /dev/null
+++ b/sound/isa/gus/gusextreme.c
@@ -0,0 +1,337 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for Gravis UltraSound Extreme soundcards
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/module.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/es1688.h>
+#include <sound/mpu401.h>
+#include <sound/opl3.h>
+#define SNDRV_LEGACY_AUTO_PROBE
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+
+#define CRD_NAME "Gravis UltraSound Extreme"
+#define DEV_NAME "gusextreme"
+
+MODULE_DESCRIPTION(CRD_NAME);
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
+static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
+static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
+static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
+static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
+static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
+static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
+ /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
+static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
+static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
+module_param_hw_array(port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
+module_param_hw_array(gf1_port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(gf1_port, "GF1 port # for " CRD_NAME " driver (optional).");
+module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
+module_param_hw_array(irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
+module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
+module_param_hw_array(gf1_irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for " CRD_NAME " driver.");
+module_param_hw_array(dma8, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
+module_param_hw_array(dma1, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma1, "GF1 DMA # for " CRD_NAME " driver.");
+module_param_array(joystick_dac, int, NULL, 0444);
+MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
+module_param_array(channels, int, NULL, 0444);
+MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
+module_param_array(pcm_channels, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
+
+static int snd_gusextreme_match(struct device *dev, unsigned int n)
+{
+ return enable[n];
+}
+
+static int snd_gusextreme_es1688_create(struct snd_card *card,
+ struct snd_es1688 *chip,
+ struct device *dev, unsigned int n)
+{
+ static const long possible_ports[] = {0x220, 0x240, 0x260};
+ static const int possible_irqs[] = {5, 9, 10, 7, -1};
+ static const int possible_dmas[] = {1, 3, 0, -1};
+
+ int i, error;
+
+ if (irq[n] == SNDRV_AUTO_IRQ) {
+ irq[n] = snd_legacy_find_free_irq(possible_irqs);
+ if (irq[n] < 0) {
+ dev_err(dev, "unable to find a free IRQ for ES1688\n");
+ return -EBUSY;
+ }
+ }
+ if (dma8[n] == SNDRV_AUTO_DMA) {
+ dma8[n] = snd_legacy_find_free_dma(possible_dmas);
+ if (dma8[n] < 0) {
+ dev_err(dev, "unable to find a free DMA for ES1688\n");
+ return -EBUSY;
+ }
+ }
+
+ if (port[n] != SNDRV_AUTO_PORT)
+ return snd_es1688_create(card, chip, port[n], mpu_port[n],
+ irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
+
+ i = 0;
+ do {
+ port[n] = possible_ports[i];
+ error = snd_es1688_create(card, chip, port[n], mpu_port[n],
+ irq[n], mpu_irq[n], dma8[n], ES1688_HW_1688);
+ } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
+
+ return error;
+}
+
+static int snd_gusextreme_gus_card_create(struct snd_card *card,
+ struct device *dev, unsigned int n,
+ struct snd_gus_card **rgus)
+{
+ static const int possible_irqs[] = {11, 12, 15, 9, 5, 7, 3, -1};
+ static const int possible_dmas[] = {5, 6, 7, 3, 1, -1};
+
+ if (gf1_irq[n] == SNDRV_AUTO_IRQ) {
+ gf1_irq[n] = snd_legacy_find_free_irq(possible_irqs);
+ if (gf1_irq[n] < 0) {
+ dev_err(dev, "unable to find a free IRQ for GF1\n");
+ return -EBUSY;
+ }
+ }
+ if (dma1[n] == SNDRV_AUTO_DMA) {
+ dma1[n] = snd_legacy_find_free_dma(possible_dmas);
+ if (dma1[n] < 0) {
+ dev_err(dev, "unable to find a free DMA for GF1\n");
+ return -EBUSY;
+ }
+ }
+ return snd_gus_create(card, gf1_port[n], gf1_irq[n], dma1[n], -1,
+ 0, channels[n], pcm_channels[n], 0, rgus);
+}
+
+static int snd_gusextreme_detect(struct snd_gus_card *gus,
+ struct snd_es1688 *es1688)
+{
+ unsigned long flags;
+ unsigned char d;
+
+ /*
+ * This is main stuff - enable access to GF1 chip...
+ * I'm not sure, if this will work for card which have
+ * ES1688 chip in another place than 0x220.
+ *
+ * I used reverse-engineering in DOSEMU. [--jk]
+ *
+ * ULTRINIT.EXE:
+ * 0x230 = 0,2,3
+ * 0x240 = 2,0,1
+ * 0x250 = 2,0,3
+ * 0x260 = 2,2,1
+ */
+
+ spin_lock_irqsave(&es1688->mixer_lock, flags);
+ snd_es1688_mixer_write(es1688, 0x40, 0x0b); /* don't change!!! */
+ spin_unlock_irqrestore(&es1688->mixer_lock, flags);
+
+ spin_lock_irqsave(&es1688->reg_lock, flags);
+ outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
+ outb(0, 0x201);
+ outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
+ outb(0, 0x201);
+ outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
+ spin_unlock_irqrestore(&es1688->reg_lock, flags);
+
+ udelay(100);
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 0) {
+ snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
+ return -EIO;
+ }
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
+ udelay(160);
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 1) {
+ snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int snd_gusextreme_mixer(struct snd_card *card)
+{
+ struct snd_ctl_elem_id id1, id2;
+ int error;
+
+ memset(&id1, 0, sizeof(id1));
+ memset(&id2, 0, sizeof(id2));
+ id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+
+ /* reassign AUX to SYNTHESIZER */
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "Synth Playback Volume");
+ error = snd_ctl_rename_id(card, &id1, &id2);
+ if (error < 0)
+ return error;
+
+ /* reassign Master Playback Switch to Synth Playback Switch */
+ strcpy(id1.name, "Master Playback Switch");
+ strcpy(id2.name, "Synth Playback Switch");
+ error = snd_ctl_rename_id(card, &id1, &id2);
+ if (error < 0)
+ return error;
+
+ return 0;
+}
+
+static int snd_gusextreme_probe(struct device *dev, unsigned int n)
+{
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ struct snd_es1688 *es1688;
+ struct snd_opl3 *opl3;
+ int error;
+
+ error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE,
+ sizeof(struct snd_es1688), &card);
+ if (error < 0)
+ return error;
+
+ es1688 = card->private_data;
+
+ if (mpu_port[n] == SNDRV_AUTO_PORT)
+ mpu_port[n] = 0;
+
+ if (mpu_irq[n] > 15)
+ mpu_irq[n] = -1;
+
+ error = snd_gusextreme_es1688_create(card, es1688, dev, n);
+ if (error < 0)
+ return error;
+
+ if (gf1_port[n] < 0)
+ gf1_port[n] = es1688->port + 0x20;
+
+ error = snd_gusextreme_gus_card_create(card, dev, n, &gus);
+ if (error < 0)
+ return error;
+
+ error = snd_gusextreme_detect(gus, es1688);
+ if (error < 0)
+ return error;
+
+ gus->joystick_dac = joystick_dac[n];
+
+ error = snd_gus_initialize(gus);
+ if (error < 0)
+ return error;
+
+ error = -ENODEV;
+ if (!gus->ess_flag) {
+ dev_err(dev, "GUS Extreme soundcard was not "
+ "detected at 0x%lx\n", gus->gf1.port);
+ return error;
+ }
+ gus->codec_flag = 1;
+
+ error = snd_es1688_pcm(card, es1688, 0);
+ if (error < 0)
+ return error;
+
+ error = snd_es1688_mixer(card, es1688);
+ if (error < 0)
+ return error;
+
+ snd_component_add(card, "ES1688");
+
+ if (pcm_channels[n] > 0) {
+ error = snd_gf1_pcm_new(gus, 1, 1);
+ if (error < 0)
+ return error;
+ }
+
+ error = snd_gf1_new_mixer(gus);
+ if (error < 0)
+ return error;
+
+ error = snd_gusextreme_mixer(card);
+ if (error < 0)
+ return error;
+
+ if (snd_opl3_create(card, es1688->port, es1688->port + 2,
+ OPL3_HW_OPL3, 0, &opl3) < 0)
+ dev_warn(dev, "opl3 not detected at 0x%lx\n", es1688->port);
+ else {
+ error = snd_opl3_hwdep_new(opl3, 0, 2, NULL);
+ if (error < 0)
+ return error;
+ }
+
+ if (es1688->mpu_port >= 0x300) {
+ error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
+ es1688->mpu_port, 0, mpu_irq[n], NULL);
+ if (error < 0)
+ return error;
+ }
+
+ sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "
+ "irq %i&%i, dma %i&%i", es1688->port,
+ gus->gf1.irq, es1688->irq, gus->gf1.dma1, es1688->dma8);
+
+ error = snd_card_register(card);
+ if (error < 0)
+ return error;
+
+ dev_set_drvdata(dev, card);
+ return 0;
+}
+
+static struct isa_driver snd_gusextreme_driver = {
+ .match = snd_gusextreme_match,
+ .probe = snd_gusextreme_probe,
+#if 0 /* FIXME */
+ .suspend = snd_gusextreme_suspend,
+ .resume = snd_gusextreme_resume,
+#endif
+ .driver = {
+ .name = DEV_NAME
+ }
+};
+
+module_isa_driver(snd_gusextreme_driver, SNDRV_CARDS);
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
new file mode 100644
index 0000000000..6834c05600
--- /dev/null
+++ b/sound/isa/gus/gusmax.c
@@ -0,0 +1,344 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for Gravis UltraSound MAX soundcard
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/module.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/wss.h>
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Gravis UltraSound MAX");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
+static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
+static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
+static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
+ /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
+static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
+static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
+module_param_hw_array(port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
+module_param_hw_array(irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
+module_param_hw_array(dma1, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
+module_param_hw_array(dma2, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
+module_param_array(joystick_dac, int, NULL, 0444);
+MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
+module_param_array(channels, int, NULL, 0444);
+MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
+module_param_array(pcm_channels, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
+
+struct snd_gusmax {
+ int irq;
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ struct snd_wss *wss;
+ unsigned short gus_status_reg;
+ unsigned short pcm_status_reg;
+};
+
+#define PFX "gusmax: "
+
+static int snd_gusmax_detect(struct snd_gus_card *gus)
+{
+ unsigned char d;
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 0) {
+ snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
+ udelay(160);
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 1) {
+ snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
+{
+ struct snd_gusmax *maxcard = dev_id;
+ int loop, max = 5;
+ int handled = 0;
+
+ do {
+ loop = 0;
+ if (inb(maxcard->gus_status_reg)) {
+ handled = 1;
+ snd_gus_interrupt(irq, maxcard->gus);
+ loop++;
+ }
+ if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
+ handled = 1;
+ snd_wss_interrupt(irq, maxcard->wss);
+ loop++;
+ }
+ } while (loop && --max > 0);
+ return IRQ_RETVAL(handled);
+}
+
+static void snd_gusmax_init(int dev, struct snd_card *card,
+ struct snd_gus_card *gus)
+{
+ gus->equal_irq = 1;
+ gus->codec_flag = 1;
+ gus->joystick_dac = joystick_dac[dev];
+ /* init control register */
+ gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
+ if (gus->gf1.dma1 > 3)
+ gus->max_cntrl_val |= 0x10;
+ if (gus->gf1.dma2 > 3)
+ gus->max_cntrl_val |= 0x20;
+ gus->max_cntrl_val |= 0x40;
+ outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
+}
+
+static int snd_gusmax_mixer(struct snd_wss *chip)
+{
+ struct snd_card *card = chip->card;
+ struct snd_ctl_elem_id id1, id2;
+ int err;
+
+ memset(&id1, 0, sizeof(id1));
+ memset(&id2, 0, sizeof(id2));
+ id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ /* reassign AUXA to SYNTHESIZER */
+ strcpy(id1.name, "Aux Playback Switch");
+ strcpy(id2.name, "Synth Playback Switch");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "Synth Playback Volume");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ /* reassign AUXB to CD */
+ strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
+ strcpy(id2.name, "CD Playback Switch");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "CD Playback Volume");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+#if 0
+ /* reassign Mono Input to MIC */
+ if (snd_mixer_group_rename(mixer,
+ SNDRV_MIXER_IN_MONO, 0,
+ SNDRV_MIXER_IN_MIC, 0) < 0)
+ goto __error;
+ if (snd_mixer_elem_rename(mixer,
+ SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
+ SNDRV_MIXER_IN_MIC, 0) < 0)
+ goto __error;
+ if (snd_mixer_elem_rename(mixer,
+ "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
+ "Mic Capture Volume", 0) < 0)
+ goto __error;
+ if (snd_mixer_elem_rename(mixer,
+ "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
+ "Mic Capture Switch", 0) < 0)
+ goto __error;
+#endif
+ return 0;
+}
+
+static int snd_gusmax_match(struct device *pdev, unsigned int dev)
+{
+ return enable[dev];
+}
+
+static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
+{
+ static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
+ static const int possible_dmas[] = {5, 6, 7, 1, 3, -1};
+ int xirq, xdma1, xdma2, err;
+ struct snd_card *card;
+ struct snd_gus_card *gus = NULL;
+ struct snd_wss *wss;
+ struct snd_gusmax *maxcard;
+
+ err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_gusmax), &card);
+ if (err < 0)
+ return err;
+ maxcard = card->private_data;
+ maxcard->card = card;
+ maxcard->irq = -1;
+
+ xirq = irq[dev];
+ if (xirq == SNDRV_AUTO_IRQ) {
+ xirq = snd_legacy_find_free_irq(possible_irqs);
+ if (xirq < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+ return -EBUSY;
+ }
+ }
+ xdma1 = dma1[dev];
+ if (xdma1 == SNDRV_AUTO_DMA) {
+ xdma1 = snd_legacy_find_free_dma(possible_dmas);
+ if (xdma1 < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
+ return -EBUSY;
+ }
+ }
+ xdma2 = dma2[dev];
+ if (xdma2 == SNDRV_AUTO_DMA) {
+ xdma2 = snd_legacy_find_free_dma(possible_dmas);
+ if (xdma2 < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
+ return -EBUSY;
+ }
+ }
+
+ if (port[dev] != SNDRV_AUTO_PORT) {
+ err = snd_gus_create(card,
+ port[dev],
+ -xirq, xdma1, xdma2,
+ 0, channels[dev],
+ pcm_channels[dev],
+ 0, &gus);
+ } else {
+ static const unsigned long possible_ports[] = {
+ 0x220, 0x230, 0x240, 0x250, 0x260
+ };
+ int i;
+ for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+ err = snd_gus_create(card,
+ possible_ports[i],
+ -xirq, xdma1, xdma2,
+ 0, channels[dev],
+ pcm_channels[dev],
+ 0, &gus);
+ if (err >= 0) {
+ port[dev] = possible_ports[i];
+ break;
+ }
+ }
+ }
+ if (err < 0)
+ return err;
+
+ err = snd_gusmax_detect(gus);
+ if (err < 0)
+ return err;
+
+ maxcard->gus_status_reg = gus->gf1.reg_irqstat;
+ maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
+ snd_gusmax_init(dev, card, gus);
+ err = snd_gus_initialize(gus);
+ if (err < 0)
+ return err;
+
+ if (!gus->max_flag) {
+ snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
+ return -ENODEV;
+ }
+
+ if (devm_request_irq(card->dev, xirq, snd_gusmax_interrupt, 0,
+ "GUS MAX", (void *)maxcard)) {
+ snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
+ return -EBUSY;
+ }
+ maxcard->irq = xirq;
+ card->sync_irq = maxcard->irq;
+
+ err = snd_wss_create(card,
+ gus->gf1.port + 0x10c, -1, xirq,
+ xdma2 < 0 ? xdma1 : xdma2, xdma1,
+ WSS_HW_DETECT,
+ WSS_HWSHARE_IRQ |
+ WSS_HWSHARE_DMA1 |
+ WSS_HWSHARE_DMA2,
+ &wss);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_pcm(wss, 0);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_mixer(wss);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_timer(wss, 2);
+ if (err < 0)
+ return err;
+
+ if (pcm_channels[dev] > 0) {
+ err = snd_gf1_pcm_new(gus, 1, 1);
+ if (err < 0)
+ return err;
+ }
+ err = snd_gusmax_mixer(wss);
+ if (err < 0)
+ return err;
+
+ err = snd_gf1_rawmidi_new(gus, 0);
+ if (err < 0)
+ return err;
+
+ sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
+ if (xdma2 >= 0)
+ sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
+
+ err = snd_card_register(card);
+ if (err < 0)
+ return err;
+
+ maxcard->gus = gus;
+ maxcard->wss = wss;
+
+ dev_set_drvdata(pdev, card);
+ return 0;
+}
+
+#define DEV_NAME "gusmax"
+
+static struct isa_driver snd_gusmax_driver = {
+ .match = snd_gusmax_match,
+ .probe = snd_gusmax_probe,
+ /* FIXME: suspend/resume */
+ .driver = {
+ .name = DEV_NAME
+ },
+};
+
+module_isa_driver(snd_gusmax_driver, SNDRV_CARDS);
diff --git a/sound/isa/gus/interwave-stb.c b/sound/isa/gus/interwave-stb.c
new file mode 100644
index 0000000000..dbe4f48a98
--- /dev/null
+++ b/sound/isa/gus/interwave-stb.c
@@ -0,0 +1,2 @@
+#define SNDRV_STB
+#include "interwave.c"
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
new file mode 100644
index 0000000000..a04a9d3253
--- /dev/null
+++ b/sound/isa/gus/interwave.c
@@ -0,0 +1,912 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for AMD InterWave soundcard
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *
+ * 1999/07/22 Erik Inge Bolso <knan@mo.himolde.no>
+ * * mixer group handlers
+ */
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
+#include <linux/delay.h>
+#include <linux/pnp.h>
+#include <linux/module.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/wss.h>
+#ifdef SNDRV_STB
+#include <sound/tea6330t.h>
+#endif
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_LICENSE("GPL");
+#ifndef SNDRV_STB
+MODULE_DESCRIPTION("AMD InterWave");
+#else
+MODULE_DESCRIPTION("AMD InterWave STB with TEA6330T");
+#endif
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
+#ifdef CONFIG_PNP
+static bool isapnp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
+#endif
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x210,0x220,0x230,0x240,0x250,0x260 */
+#ifdef SNDRV_STB
+static long port_tc[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x350,0x360,0x370,0x380 */
+#endif
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
+static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
+static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
+static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
+ /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
+static int midi[SNDRV_CARDS];
+static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+static int effect[SNDRV_CARDS];
+
+#ifdef SNDRV_STB
+#define PFX "interwave-stb: "
+#define INTERWAVE_DRIVER "snd_interwave_stb"
+#define INTERWAVE_PNP_DRIVER "interwave-stb"
+#else
+#define PFX "interwave: "
+#define INTERWAVE_DRIVER "snd_interwave"
+#define INTERWAVE_PNP_DRIVER "interwave"
+#endif
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for InterWave soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for InterWave soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable InterWave soundcard.");
+#ifdef CONFIG_PNP
+module_param_array(isapnp, bool, NULL, 0444);
+MODULE_PARM_DESC(isapnp, "ISA PnP detection for specified soundcard.");
+#endif
+module_param_hw_array(port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for InterWave driver.");
+#ifdef SNDRV_STB
+module_param_hw_array(port_tc, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port_tc, "Tone control (TEA6330T - i2c bus) port # for InterWave driver.");
+#endif
+module_param_hw_array(irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for InterWave driver.");
+module_param_hw_array(dma1, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma1, "DMA1 # for InterWave driver.");
+module_param_hw_array(dma2, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma2, "DMA2 # for InterWave driver.");
+module_param_array(joystick_dac, int, NULL, 0444);
+MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for InterWave driver.");
+module_param_array(midi, int, NULL, 0444);
+MODULE_PARM_DESC(midi, "MIDI UART enable for InterWave driver.");
+module_param_array(pcm_channels, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
+module_param_array(effect, int, NULL, 0444);
+MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
+
+struct snd_interwave {
+ int irq;
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ struct snd_wss *wss;
+#ifdef SNDRV_STB
+ struct resource *i2c_res;
+#endif
+ unsigned short gus_status_reg;
+ unsigned short pcm_status_reg;
+#ifdef CONFIG_PNP
+ struct pnp_dev *dev;
+#ifdef SNDRV_STB
+ struct pnp_dev *devtc;
+#endif
+#endif
+};
+
+
+#ifdef CONFIG_PNP
+static int isa_registered;
+static int pnp_registered;
+
+static const struct pnp_card_device_id snd_interwave_pnpids[] = {
+#ifndef SNDRV_STB
+ /* Gravis UltraSound Plug & Play */
+ { .id = "GRV0001", .devs = { { .id = "GRV0000" } } },
+ /* STB SoundRage32 */
+ { .id = "STB011a", .devs = { { .id = "STB0010" } } },
+ /* MED3210 */
+ { .id = "DXP3201", .devs = { { .id = "DXP0010" } } },
+ /* Dynasonic Pro */
+ /* This device also have CDC1117:DynaSonix Pro Audio Effects Processor */
+ { .id = "CDC1111", .devs = { { .id = "CDC1112" } } },
+ /* Panasonic PCA761AW Audio Card */
+ { .id = "ADV55ff", .devs = { { .id = "ADV0010" } } },
+ /* InterWave STB without TEA6330T */
+ { .id = "ADV550a", .devs = { { .id = "ADV0010" } } },
+#else
+ /* InterWave STB with TEA6330T */
+ { .id = "ADV550a", .devs = { { .id = "ADV0010" }, { .id = "ADV0015" } } },
+#endif
+ { .id = "" }
+};
+
+MODULE_DEVICE_TABLE(pnp_card, snd_interwave_pnpids);
+
+#endif /* CONFIG_PNP */
+
+
+#ifdef SNDRV_STB
+static void snd_interwave_i2c_setlines(struct snd_i2c_bus *bus, int ctrl, int data)
+{
+ unsigned long port = bus->private_value;
+
+#if 0
+ printk(KERN_DEBUG "i2c_setlines - 0x%lx <- %i,%i\n", port, ctrl, data);
+#endif
+ outb((data << 1) | ctrl, port);
+ udelay(10);
+}
+
+static int snd_interwave_i2c_getclockline(struct snd_i2c_bus *bus)
+{
+ unsigned long port = bus->private_value;
+ unsigned char res;
+
+ res = inb(port) & 1;
+#if 0
+ printk(KERN_DEBUG "i2c_getclockline - 0x%lx -> %i\n", port, res);
+#endif
+ return res;
+}
+
+static int snd_interwave_i2c_getdataline(struct snd_i2c_bus *bus, int ack)
+{
+ unsigned long port = bus->private_value;
+ unsigned char res;
+
+ if (ack)
+ udelay(10);
+ res = (inb(port) & 2) >> 1;
+#if 0
+ printk(KERN_DEBUG "i2c_getdataline - 0x%lx -> %i\n", port, res);
+#endif
+ return res;
+}
+
+static struct snd_i2c_bit_ops snd_interwave_i2c_bit_ops = {
+ .setlines = snd_interwave_i2c_setlines,
+ .getclock = snd_interwave_i2c_getclockline,
+ .getdata = snd_interwave_i2c_getdataline,
+};
+
+static int snd_interwave_detect_stb(struct snd_interwave *iwcard,
+ struct snd_gus_card *gus, int dev,
+ struct snd_i2c_bus **rbus)
+{
+ unsigned long port;
+ struct snd_i2c_bus *bus;
+ struct snd_card *card = iwcard->card;
+ char name[32];
+ int err;
+
+ *rbus = NULL;
+ port = port_tc[dev];
+ if (port == SNDRV_AUTO_PORT) {
+ port = 0x350;
+ if (gus->gf1.port == 0x250) {
+ port = 0x360;
+ }
+ while (port <= 0x380) {
+ iwcard->i2c_res = devm_request_region(card->dev, port, 1,
+ "InterWave (I2C bus)");
+ if (iwcard->i2c_res)
+ break;
+ port += 0x10;
+ }
+ } else {
+ iwcard->i2c_res = devm_request_region(card->dev, port, 1,
+ "InterWave (I2C bus)");
+ }
+ if (iwcard->i2c_res == NULL) {
+ snd_printk(KERN_ERR "interwave: can't grab i2c bus port\n");
+ return -ENODEV;
+ }
+
+ sprintf(name, "InterWave-%i", card->number);
+ err = snd_i2c_bus_create(card, name, NULL, &bus);
+ if (err < 0)
+ return err;
+ bus->private_value = port;
+ bus->hw_ops.bit = &snd_interwave_i2c_bit_ops;
+ err = snd_tea6330t_detect(bus, 0);
+ if (err < 0)
+ return err;
+ *rbus = bus;
+ return 0;
+}
+#endif
+
+static int snd_interwave_detect(struct snd_interwave *iwcard,
+ struct snd_gus_card *gus,
+ int dev
+#ifdef SNDRV_STB
+ , struct snd_i2c_bus **rbus
+#endif
+ )
+{
+ unsigned long flags;
+ unsigned char rev1, rev2;
+ int d;
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 0) {
+ snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
+ udelay(160);
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 1) {
+ snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ rev1 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, ~rev1);
+ rev2 = snd_gf1_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, rev1);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ snd_printdd("[0x%lx] InterWave check - rev1=0x%x, rev2=0x%x\n", gus->gf1.port, rev1, rev2);
+ if ((rev1 & 0xf0) == (rev2 & 0xf0) &&
+ (rev1 & 0x0f) != (rev2 & 0x0f)) {
+ snd_printdd("[0x%lx] InterWave check - passed\n", gus->gf1.port);
+ gus->interwave = 1;
+ strcpy(gus->card->shortname, "AMD InterWave");
+ gus->revision = rev1 >> 4;
+#ifndef SNDRV_STB
+ return 0; /* ok.. We have an InterWave board */
+#else
+ return snd_interwave_detect_stb(iwcard, gus, dev, rbus);
+#endif
+ }
+ snd_printdd("[0x%lx] InterWave check - failed\n", gus->gf1.port);
+ return -ENODEV;
+}
+
+static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id)
+{
+ struct snd_interwave *iwcard = dev_id;
+ int loop, max = 5;
+ int handled = 0;
+
+ do {
+ loop = 0;
+ if (inb(iwcard->gus_status_reg)) {
+ handled = 1;
+ snd_gus_interrupt(irq, iwcard->gus);
+ loop++;
+ }
+ if (inb(iwcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
+ handled = 1;
+ snd_wss_interrupt(irq, iwcard->wss);
+ loop++;
+ }
+ } while (loop && --max > 0);
+ return IRQ_RETVAL(handled);
+}
+
+static void snd_interwave_reset(struct snd_gus_card *gus)
+{
+ snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x00);
+ udelay(160);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_RESET, 0x01);
+ udelay(160);
+}
+
+static void snd_interwave_bank_sizes(struct snd_gus_card *gus, int *sizes)
+{
+ unsigned int idx;
+ unsigned int local;
+ unsigned char d;
+
+ for (idx = 0; idx < 4; idx++) {
+ sizes[idx] = 0;
+ d = 0x55;
+ for (local = idx << 22;
+ local < (idx << 22) + 0x400000;
+ local += 0x40000, d++) {
+ snd_gf1_poke(gus, local, d);
+ snd_gf1_poke(gus, local + 1, d + 1);
+#if 0
+ printk(KERN_DEBUG "d = 0x%x, local = 0x%x, "
+ "local + 1 = 0x%x, idx << 22 = 0x%x\n",
+ d,
+ snd_gf1_peek(gus, local),
+ snd_gf1_peek(gus, local + 1),
+ snd_gf1_peek(gus, idx << 22));
+#endif
+ if (snd_gf1_peek(gus, local) != d ||
+ snd_gf1_peek(gus, local + 1) != d + 1 ||
+ snd_gf1_peek(gus, idx << 22) != 0x55)
+ break;
+ sizes[idx]++;
+ }
+ }
+#if 0
+ printk(KERN_DEBUG "sizes: %i %i %i %i\n",
+ sizes[0], sizes[1], sizes[2], sizes[3]);
+#endif
+}
+
+struct rom_hdr {
+ /* 000 */ unsigned char iwave[8];
+ /* 008 */ unsigned char rom_hdr_revision;
+ /* 009 */ unsigned char series_number;
+ /* 010 */ unsigned char series_name[16];
+ /* 026 */ unsigned char date[10];
+ /* 036 */ unsigned short vendor_revision_major;
+ /* 038 */ unsigned short vendor_revision_minor;
+ /* 040 */ unsigned int rom_size;
+ /* 044 */ unsigned char copyright[128];
+ /* 172 */ unsigned char vendor_name[64];
+ /* 236 */ unsigned char rom_description[128];
+ /* 364 */ unsigned char pad[147];
+ /* 511 */ unsigned char csum;
+};
+
+static void snd_interwave_detect_memory(struct snd_gus_card *gus)
+{
+ static const unsigned int lmc[13] =
+ {
+ 0x00000001, 0x00000101, 0x01010101, 0x00000401,
+ 0x04040401, 0x00040101, 0x04040101, 0x00000004,
+ 0x00000404, 0x04040404, 0x00000010, 0x00001010,
+ 0x10101010
+ };
+
+ int bank_pos, pages;
+ unsigned int i, lmct;
+ int psizes[4];
+ unsigned char iwave[8];
+ unsigned char csum;
+
+ snd_interwave_reset(gus);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_GLOBAL_MODE, snd_gf1_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE) | 0x01); /* enhanced mode */
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01); /* DRAM I/O cycles selected */
+ snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff10) | 0x004c);
+ /* ok.. simple test of memory size */
+ pages = 0;
+ snd_gf1_poke(gus, 0, 0x55);
+ snd_gf1_poke(gus, 1, 0xaa);
+#if 1
+ if (snd_gf1_peek(gus, 0) == 0x55 && snd_gf1_peek(gus, 1) == 0xaa)
+#else
+ if (0) /* ok.. for testing of 0k RAM */
+#endif
+ {
+ snd_interwave_bank_sizes(gus, psizes);
+ lmct = (psizes[3] << 24) | (psizes[2] << 16) |
+ (psizes[1] << 8) | psizes[0];
+#if 0
+ printk(KERN_DEBUG "lmct = 0x%08x\n", lmct);
+#endif
+ for (i = 0; i < ARRAY_SIZE(lmc); i++)
+ if (lmct == lmc[i]) {
+#if 0
+ printk(KERN_DEBUG "found !!! %i\n", i);
+#endif
+ snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | i);
+ snd_interwave_bank_sizes(gus, psizes);
+ break;
+ }
+ if (i >= ARRAY_SIZE(lmc) && !gus->gf1.enh_mode)
+ snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xfff0) | 2);
+ for (i = 0; i < 4; i++) {
+ gus->gf1.mem_alloc.banks_8[i].address =
+ gus->gf1.mem_alloc.banks_16[i].address = i << 22;
+ gus->gf1.mem_alloc.banks_8[i].size =
+ gus->gf1.mem_alloc.banks_16[i].size = psizes[i] << 18;
+ pages += psizes[i];
+ }
+ }
+ pages <<= 18;
+ gus->gf1.memory = pages;
+
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x03); /* select ROM */
+ snd_gf1_write16(gus, SNDRV_GF1_GW_MEMORY_CONFIG, (snd_gf1_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG) & 0xff1f) | (4 << 5));
+ gus->gf1.rom_banks = 0;
+ gus->gf1.rom_memory = 0;
+ for (bank_pos = 0; bank_pos < 16L * 1024L * 1024L; bank_pos += 4L * 1024L * 1024L) {
+ for (i = 0; i < 8; ++i)
+ iwave[i] = snd_gf1_peek(gus, bank_pos + i);
+ if (strncmp(iwave, "INTRWAVE", 8))
+ continue; /* first check */
+ csum = 0;
+ for (i = 0; i < sizeof(struct rom_hdr); i++)
+ csum += snd_gf1_peek(gus, bank_pos + i);
+ if (csum != 0)
+ continue; /* not valid rom */
+ gus->gf1.rom_banks++;
+ gus->gf1.rom_present |= 1 << (bank_pos >> 22);
+ gus->gf1.rom_memory = snd_gf1_peek(gus, bank_pos + 40) |
+ (snd_gf1_peek(gus, bank_pos + 41) << 8) |
+ (snd_gf1_peek(gus, bank_pos + 42) << 16) |
+ (snd_gf1_peek(gus, bank_pos + 43) << 24);
+ }
+#if 0
+ if (gus->gf1.rom_memory > 0) {
+ if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
+ gus->card->type = SNDRV_CARD_TYPE_IW_DYNASONIC;
+ }
+#endif
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x00); /* select RAM */
+
+ if (!gus->gf1.enh_mode)
+ snd_interwave_reset(gus);
+}
+
+static void snd_interwave_init(int dev, struct snd_gus_card *gus)
+{
+ unsigned long flags;
+
+ /* ok.. some InterWave specific initialization */
+ spin_lock_irqsave(&gus->reg_lock, flags);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL, 0x00);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_COMPATIBILITY, 0x1f);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_DECODE_CONTROL, 0x49);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_VERSION_NUMBER, 0x11);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A, 0x00);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B, 0x30);
+ snd_gf1_write8(gus, SNDRV_GF1_GB_EMULATION_IRQ, 0x00);
+ spin_unlock_irqrestore(&gus->reg_lock, flags);
+ gus->equal_irq = 1;
+ gus->codec_flag = 1;
+ gus->interwave = 1;
+ gus->max_flag = 1;
+ gus->joystick_dac = joystick_dac[dev];
+
+}
+
+static const struct snd_kcontrol_new snd_interwave_controls[] = {
+WSS_DOUBLE("Master Playback Switch", 0,
+ CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1),
+WSS_DOUBLE("Master Playback Volume", 0,
+ CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1),
+WSS_DOUBLE("Mic Playback Switch", 0,
+ CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1),
+WSS_DOUBLE("Mic Playback Volume", 0,
+ CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1)
+};
+
+static int snd_interwave_mixer(struct snd_wss *chip)
+{
+ struct snd_card *card = chip->card;
+ struct snd_ctl_elem_id id1, id2;
+ unsigned int idx;
+ int err;
+
+ memset(&id1, 0, sizeof(id1));
+ memset(&id2, 0, sizeof(id2));
+ id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+#if 0
+ /* remove mono microphone controls */
+ strcpy(id1.name, "Mic Playback Switch");
+ err = snd_ctl_remove_id(card, &id1);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Mic Playback Volume");
+ err = snd_ctl_remove_id(card, &id1);
+ if (err < 0)
+ return err;
+#endif
+ /* add new master and mic controls */
+ for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++) {
+ err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip));
+ if (err < 0)
+ return err;
+ }
+ snd_wss_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f);
+ snd_wss_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f);
+ snd_wss_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f);
+ snd_wss_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f);
+ /* reassign AUXA to SYNTHESIZER */
+ strcpy(id1.name, "Aux Playback Switch");
+ strcpy(id2.name, "Synth Playback Switch");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "Synth Playback Volume");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ /* reassign AUXB to CD */
+ strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
+ strcpy(id2.name, "CD Playback Switch");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "CD Playback Volume");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+#ifdef CONFIG_PNP
+
+static int snd_interwave_pnp(int dev, struct snd_interwave *iwcard,
+ struct pnp_card_link *card,
+ const struct pnp_card_device_id *id)
+{
+ struct pnp_dev *pdev;
+ int err;
+
+ iwcard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
+ if (iwcard->dev == NULL)
+ return -EBUSY;
+
+#ifdef SNDRV_STB
+ iwcard->devtc = pnp_request_card_device(card, id->devs[1].id, NULL);
+ if (iwcard->devtc == NULL)
+ return -EBUSY;
+#endif
+ /* Synth & Codec initialization */
+ pdev = iwcard->dev;
+
+ err = pnp_activate_dev(pdev);
+ if (err < 0) {
+ snd_printk(KERN_ERR "InterWave PnP configure failure (out of resources?)\n");
+ return err;
+ }
+ if (pnp_port_start(pdev, 0) + 0x100 != pnp_port_start(pdev, 1) ||
+ pnp_port_start(pdev, 0) + 0x10c != pnp_port_start(pdev, 2)) {
+ snd_printk(KERN_ERR "PnP configure failure (wrong ports)\n");
+ return -ENOENT;
+ }
+ port[dev] = pnp_port_start(pdev, 0);
+ dma1[dev] = pnp_dma(pdev, 0);
+ if (dma2[dev] >= 0)
+ dma2[dev] = pnp_dma(pdev, 1);
+ irq[dev] = pnp_irq(pdev, 0);
+ snd_printdd("isapnp IW: sb port=0x%llx, gf1 port=0x%llx, codec port=0x%llx\n",
+ (unsigned long long)pnp_port_start(pdev, 0),
+ (unsigned long long)pnp_port_start(pdev, 1),
+ (unsigned long long)pnp_port_start(pdev, 2));
+ snd_printdd("isapnp IW: dma1=%i, dma2=%i, irq=%i\n", dma1[dev], dma2[dev], irq[dev]);
+#ifdef SNDRV_STB
+ /* Tone Control initialization */
+ pdev = iwcard->devtc;
+
+ err = pnp_activate_dev(pdev);
+ if (err < 0) {
+ snd_printk(KERN_ERR "InterWave ToneControl PnP configure failure (out of resources?)\n");
+ return err;
+ }
+ port_tc[dev] = pnp_port_start(pdev, 0);
+ snd_printdd("isapnp IW: tone control port=0x%lx\n", port_tc[dev]);
+#endif
+ return 0;
+}
+#endif /* CONFIG_PNP */
+
+static int snd_interwave_card_new(struct device *pdev, int dev,
+ struct snd_card **cardp)
+{
+ struct snd_card *card;
+ struct snd_interwave *iwcard;
+ int err;
+
+ err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_interwave), &card);
+ if (err < 0)
+ return err;
+ iwcard = card->private_data;
+ iwcard->card = card;
+ iwcard->irq = -1;
+ *cardp = card;
+ return 0;
+}
+
+static int snd_interwave_probe_gus(struct snd_card *card, int dev,
+ struct snd_gus_card **gusp)
+{
+ return snd_gus_create(card, port[dev], -irq[dev], dma1[dev], dma2[dev],
+ 0, 32, pcm_channels[dev], effect[dev], gusp);
+}
+
+static int snd_interwave_probe(struct snd_card *card, int dev,
+ struct snd_gus_card *gus)
+{
+ int xirq, xdma1, xdma2;
+ struct snd_interwave *iwcard = card->private_data;
+ struct snd_wss *wss;
+#ifdef SNDRV_STB
+ struct snd_i2c_bus *i2c_bus;
+#endif
+ char *str;
+ int err;
+
+ xirq = irq[dev];
+ xdma1 = dma1[dev];
+ xdma2 = dma2[dev];
+
+ err = snd_interwave_detect(iwcard, gus, dev
+#ifdef SNDRV_STB
+ , &i2c_bus
+#endif
+ );
+ if (err < 0)
+ return err;
+
+ iwcard->gus_status_reg = gus->gf1.reg_irqstat;
+ iwcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
+
+ snd_interwave_init(dev, gus);
+ snd_interwave_detect_memory(gus);
+ err = snd_gus_initialize(gus);
+ if (err < 0)
+ return err;
+
+ if (devm_request_irq(card->dev, xirq, snd_interwave_interrupt, 0,
+ "InterWave", iwcard)) {
+ snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
+ return -EBUSY;
+ }
+ iwcard->irq = xirq;
+ card->sync_irq = iwcard->irq;
+
+ err = snd_wss_create(card,
+ gus->gf1.port + 0x10c, -1, xirq,
+ xdma2 < 0 ? xdma1 : xdma2, xdma1,
+ WSS_HW_INTERWAVE,
+ WSS_HWSHARE_IRQ |
+ WSS_HWSHARE_DMA1 |
+ WSS_HWSHARE_DMA2,
+ &wss);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_pcm(wss, 0);
+ if (err < 0)
+ return err;
+
+ sprintf(wss->pcm->name + strlen(wss->pcm->name), " rev %c",
+ gus->revision + 'A');
+ strcat(wss->pcm->name, " (codec)");
+
+ err = snd_wss_timer(wss, 2);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_mixer(wss);
+ if (err < 0)
+ return err;
+
+ if (pcm_channels[dev] > 0) {
+ err = snd_gf1_pcm_new(gus, 1, 1);
+ if (err < 0)
+ return err;
+ }
+ err = snd_interwave_mixer(wss);
+ if (err < 0)
+ return err;
+
+#ifdef SNDRV_STB
+ {
+ struct snd_ctl_elem_id id1, id2;
+ memset(&id1, 0, sizeof(id1));
+ memset(&id2, 0, sizeof(id2));
+ id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ strcpy(id1.name, "Master Playback Switch");
+ strcpy(id2.name, id1.name);
+ id2.index = 1;
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Master Playback Volume");
+ strcpy(id2.name, id1.name);
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1);
+ if (err < 0)
+ return err;
+ }
+#endif
+
+ gus->uart_enable = midi[dev];
+ err = snd_gf1_rawmidi_new(gus, 0);
+ if (err < 0)
+ return err;
+
+#ifndef SNDRV_STB
+ str = "AMD InterWave";
+ if (gus->gf1.rom_banks == 1 && gus->gf1.rom_present == 8)
+ str = "Dynasonic 3-D";
+#else
+ str = "InterWave STB";
+#endif
+ strcpy(card->driver, str);
+ strcpy(card->shortname, str);
+ sprintf(card->longname, "%s at 0x%lx, irq %i, dma %d",
+ str,
+ gus->gf1.port,
+ xirq,
+ xdma1);
+ if (xdma2 >= 0)
+ sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
+
+ err = snd_card_register(card);
+ if (err < 0)
+ return err;
+
+ iwcard->wss = wss;
+ iwcard->gus = gus;
+ return 0;
+}
+
+static int snd_interwave_isa_match(struct device *pdev,
+ unsigned int dev)
+{
+ if (!enable[dev])
+ return 0;
+#ifdef CONFIG_PNP
+ if (isapnp[dev])
+ return 0;
+#endif
+ return 1;
+}
+
+static int snd_interwave_isa_probe(struct device *pdev,
+ unsigned int dev)
+{
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ int err;
+ static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
+ static const int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
+
+ if (irq[dev] == SNDRV_AUTO_IRQ) {
+ irq[dev] = snd_legacy_find_free_irq(possible_irqs);
+ if (irq[dev] < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+ return -EBUSY;
+ }
+ }
+ if (dma1[dev] == SNDRV_AUTO_DMA) {
+ dma1[dev] = snd_legacy_find_free_dma(possible_dmas);
+ if (dma1[dev] < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
+ return -EBUSY;
+ }
+ }
+ if (dma2[dev] == SNDRV_AUTO_DMA) {
+ dma2[dev] = snd_legacy_find_free_dma(possible_dmas);
+ if (dma2[dev] < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
+ return -EBUSY;
+ }
+ }
+
+ err = snd_interwave_card_new(pdev, dev, &card);
+ if (err < 0)
+ return err;
+
+ if (port[dev] != SNDRV_AUTO_PORT)
+ err = snd_interwave_probe_gus(card, dev, &gus);
+ else {
+ static const long possible_ports[] = {0x210, 0x220, 0x230, 0x240, 0x250, 0x260};
+ int i;
+ for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+ port[dev] = possible_ports[i];
+ err = snd_interwave_probe_gus(card, dev, &gus);
+ if (! err)
+ return 0;
+ }
+ }
+ if (err < 0)
+ return err;
+
+ err = snd_interwave_probe(card, dev, gus);
+ if (err < 0)
+ return err;
+
+ dev_set_drvdata(pdev, card);
+ return 0;
+}
+
+static struct isa_driver snd_interwave_driver = {
+ .match = snd_interwave_isa_match,
+ .probe = snd_interwave_isa_probe,
+ /* FIXME: suspend,resume */
+ .driver = {
+ .name = INTERWAVE_DRIVER
+ },
+};
+
+#ifdef CONFIG_PNP
+static int snd_interwave_pnp_detect(struct pnp_card_link *pcard,
+ const struct pnp_card_device_id *pid)
+{
+ static int dev;
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ int res;
+
+ for ( ; dev < SNDRV_CARDS; dev++) {
+ if (enable[dev] && isapnp[dev])
+ break;
+ }
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+
+ res = snd_interwave_card_new(&pcard->card->dev, dev, &card);
+ if (res < 0)
+ return res;
+
+ res = snd_interwave_pnp(dev, card->private_data, pcard, pid);
+ if (res < 0)
+ return res;
+ res = snd_interwave_probe_gus(card, dev, &gus);
+ if (res < 0)
+ return res;
+ res = snd_interwave_probe(card, dev, gus);
+ if (res < 0)
+ return res;
+ pnp_set_card_drvdata(pcard, card);
+ dev++;
+ return 0;
+}
+
+static struct pnp_card_driver interwave_pnpc_driver = {
+ .flags = PNP_DRIVER_RES_DISABLE,
+ .name = INTERWAVE_PNP_DRIVER,
+ .id_table = snd_interwave_pnpids,
+ .probe = snd_interwave_pnp_detect,
+ /* FIXME: suspend,resume */
+};
+
+#endif /* CONFIG_PNP */
+
+static int __init alsa_card_interwave_init(void)
+{
+ int err;
+
+ err = isa_register_driver(&snd_interwave_driver, SNDRV_CARDS);
+#ifdef CONFIG_PNP
+ if (!err)
+ isa_registered = 1;
+
+ err = pnp_register_card_driver(&interwave_pnpc_driver);
+ if (!err)
+ pnp_registered = 1;
+
+ if (isa_registered)
+ err = 0;
+#endif
+ return err;
+}
+
+static void __exit alsa_card_interwave_exit(void)
+{
+#ifdef CONFIG_PNP
+ if (pnp_registered)
+ pnp_unregister_card_driver(&interwave_pnpc_driver);
+ if (isa_registered)
+#endif
+ isa_unregister_driver(&snd_interwave_driver);
+}
+
+module_init(alsa_card_interwave_init)
+module_exit(alsa_card_interwave_exit)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 07:06:29 +0000