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-rw-r--r--sound/oss/maui.c478
1 files changed, 478 insertions, 0 deletions
diff --git a/sound/oss/maui.c b/sound/oss/maui.c
new file mode 100644
index 000000000000..05cf194eda6b
--- /dev/null
+++ b/sound/oss/maui.c
@@ -0,0 +1,478 @@
+/*
+ * sound/maui.c
+ *
+ * The low level driver for Turtle Beach Maui and Tropez.
+ *
+ *
+ * Copyright (C) by Hannu Savolainen 1993-1997
+ *
+ * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
+ * Version 2 (June 1991). See the "COPYING" file distributed with this software
+ * for more info.
+ *
+ * Changes:
+ * Alan Cox General clean up, use kernel IRQ
+ * system
+ * Christoph Hellwig Adapted to module_init/module_exit
+ * Bartlomiej Zolnierkiewicz
+ * Added __init to download_code()
+ *
+ * Status:
+ * Andrew J. Kroll Tested 06/01/1999 with:
+ * * OSWF.MOT File Version: 1.15
+ * * OSWF.MOT File Dated: 09/12/94
+ * * Older versions will cause problems.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#define USE_SEQ_MACROS
+#define USE_SIMPLE_MACROS
+
+#include "sound_config.h"
+#include "sound_firmware.h"
+
+#include "mpu401.h"
+
+static int maui_base = 0x330;
+
+static volatile int irq_ok;
+static int *maui_osp;
+
+#define HOST_DATA_PORT (maui_base + 2)
+#define HOST_STAT_PORT (maui_base + 3)
+#define HOST_CTRL_PORT (maui_base + 3)
+
+#define STAT_TX_INTR 0x40
+#define STAT_TX_AVAIL 0x20
+#define STAT_TX_IENA 0x10
+#define STAT_RX_INTR 0x04
+#define STAT_RX_AVAIL 0x02
+#define STAT_RX_IENA 0x01
+
+static int (*orig_load_patch)(int dev, int format, const char __user *addr,
+ int offs, int count, int pmgr_flag) = NULL;
+
+#include "maui_boot.h"
+
+static int maui_wait(int mask)
+{
+ int i;
+
+ /*
+ * Perform a short initial wait without sleeping
+ */
+
+ for (i = 0; i < 100; i++)
+ if (inb(HOST_STAT_PORT) & mask)
+ return 1;
+
+ /*
+ * Wait up to 15 seconds with sleeping
+ */
+
+ for (i = 0; i < 150; i++) {
+ if (inb(HOST_STAT_PORT) & mask)
+ return 1;
+ current->state = TASK_INTERRUPTIBLE;
+ schedule_timeout(HZ / 10);
+ if (signal_pending(current))
+ return 0;
+ }
+ return 0;
+}
+
+static int maui_read(void)
+{
+ if (maui_wait(STAT_RX_AVAIL))
+ return inb(HOST_DATA_PORT);
+ return -1;
+}
+
+static int maui_write(unsigned char data)
+{
+ if (maui_wait(STAT_TX_AVAIL)) {
+ outb((data), HOST_DATA_PORT);
+ return 1;
+ }
+ printk(KERN_WARNING "Maui: Write timeout\n");
+ return 0;
+}
+
+static irqreturn_t mauiintr(int irq, void *dev_id, struct pt_regs *dummy)
+{
+ irq_ok = 1;
+ return IRQ_HANDLED;
+}
+
+static int __init download_code(void)
+{
+ int i, lines = 0;
+ int eol_seen = 0, done = 0;
+ int skip = 1;
+
+ printk(KERN_INFO "Code download (%d bytes): ", maui_osLen);
+
+ for (i = 0; i < maui_osLen; i++) {
+ if (maui_os[i] != '\r') {
+ if (!skip || (maui_os[i] == 'S' && (i == 0 || maui_os[i - 1] == '\n'))) {
+ skip = 0;
+
+ if (maui_os[i] == '\n')
+ eol_seen = skip = 1;
+ else if (maui_os[i] == 'S') {
+ if (maui_os[i + 1] == '8')
+ done = 1;
+ if (!maui_write(0xF1))
+ goto failure;
+ if (!maui_write('S'))
+ goto failure;
+ } else {
+ if (!maui_write(maui_os[i]))
+ goto failure;
+ }
+
+ if (eol_seen) {
+ int c = 0;
+ int n;
+
+ eol_seen = 0;
+
+ for (n = 0; n < 2; n++) {
+ if (maui_wait(STAT_RX_AVAIL)) {
+ c = inb(HOST_DATA_PORT);
+ break;
+ }
+ }
+ if (c != 0x80) {
+ printk("Download not acknowledged\n");
+ return 0;
+ }
+ else if (!(lines++ % 10))
+ printk(".");
+
+ if (done) {
+ printk("\n");
+ printk(KERN_INFO "Download complete\n");
+ return 1;
+ }
+ }
+ }
+ }
+ }
+
+failure:
+ printk("\n");
+ printk(KERN_ERR "Download failed!!!\n");
+ return 0;
+}
+
+static int __init maui_init(int irq)
+{
+ unsigned char bits;
+
+ switch (irq) {
+ case 9:
+ bits = 0x00;
+ break;
+ case 5:
+ bits = 0x08;
+ break;
+ case 12:
+ bits = 0x10;
+ break;
+ case 15:
+ bits = 0x18;
+ break;
+
+ default:
+ printk(KERN_ERR "Maui: Invalid IRQ %d\n", irq);
+ return 0;
+ }
+ outb((0x00), HOST_CTRL_PORT); /* Reset */
+ outb((bits), HOST_DATA_PORT); /* Set the IRQ bits */
+ outb((bits | 0x80), HOST_DATA_PORT); /* Set the IRQ bits again? */
+ outb((0x80), HOST_CTRL_PORT); /* Leave reset */
+ outb((0x80), HOST_CTRL_PORT); /* Leave reset */
+ outb((0xD0), HOST_CTRL_PORT); /* Cause interrupt */
+
+#ifdef CONFIG_SMP
+ {
+ int i;
+ for (i = 0; i < 1000000 && !irq_ok; i++)
+ ;
+ if (!irq_ok)
+ return 0;
+ }
+#endif
+ outb((0x80), HOST_CTRL_PORT); /* Leave reset */
+
+ printk(KERN_INFO "Turtle Beach Maui initialization\n");
+
+ if (!download_code())
+ return 0;
+
+ outb((0xE0), HOST_CTRL_PORT); /* Normal operation */
+
+ /* Select mpu401 mode */
+
+ maui_write(0xf0);
+ maui_write(1);
+ if (maui_read() != 0x80) {
+ maui_write(0xf0);
+ maui_write(1);
+ if (maui_read() != 0x80)
+ printk(KERN_ERR "Maui didn't acknowledge set HW mode command\n");
+ }
+ printk(KERN_INFO "Maui initialized OK\n");
+ return 1;
+}
+
+static int maui_short_wait(int mask) {
+ int i;
+
+ for (i = 0; i < 1000; i++) {
+ if (inb(HOST_STAT_PORT) & mask) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int maui_load_patch(int dev, int format, const char __user *addr,
+ int offs, int count, int pmgr_flag)
+{
+
+ struct sysex_info header;
+ unsigned long left, src_offs;
+ int hdr_size = (unsigned long) &header.data[0] - (unsigned long) &header;
+ int i;
+
+ if (format == SYSEX_PATCH) /* Handled by midi_synth.c */
+ return orig_load_patch(dev, format, addr, offs, count, pmgr_flag);
+
+ if (format != MAUI_PATCH)
+ {
+ printk(KERN_WARNING "Maui: Unknown patch format\n");
+ }
+ if (count < hdr_size) {
+/* printk("Maui error: Patch header too short\n");*/
+ return -EINVAL;
+ }
+ count -= hdr_size;
+
+ /*
+ * Copy the header from user space but ignore the first bytes which have
+ * been transferred already.
+ */
+
+ if(copy_from_user(&((char *) &header)[offs], &(addr)[offs], hdr_size - offs))
+ return -EFAULT;
+
+ if (count < header.len) {
+ printk(KERN_ERR "Maui warning: Host command record too short (%d<%d)\n", count, (int) header.len);
+ header.len = count;
+ }
+ left = header.len;
+ src_offs = 0;
+
+ for (i = 0; i < left; i++) {
+ unsigned char data;
+
+ if(get_user(*(unsigned char *) &data, (unsigned char __user *) &((addr)[hdr_size + i])))
+ return -EFAULT;
+ if (i == 0 && !(data & 0x80))
+ return -EINVAL;
+
+ if (maui_write(data) == -1)
+ return -EIO;
+ }
+
+ if ((i = maui_read()) != 0x80) {
+ if (i != -1)
+ printk("Maui: Error status %02x\n", i);
+ return -EIO;
+ }
+ return 0;
+}
+
+static int __init probe_maui(struct address_info *hw_config)
+{
+ struct resource *ports;
+ int this_dev;
+ int i;
+ int tmp1, tmp2, ret;
+
+ ports = request_region(hw_config->io_base, 2, "mpu401");
+ if (!ports)
+ return 0;
+
+ if (!request_region(hw_config->io_base + 2, 6, "Maui"))
+ goto out;
+
+ maui_base = hw_config->io_base;
+ maui_osp = hw_config->osp;
+
+ if (request_irq(hw_config->irq, mauiintr, 0, "Maui", NULL) < 0)
+ goto out2;
+
+ /*
+ * Initialize the processor if necessary
+ */
+
+ if (maui_osLen > 0) {
+ if (!(inb(HOST_STAT_PORT) & STAT_TX_AVAIL) ||
+ !maui_write(0x9F) || /* Report firmware version */
+ !maui_short_wait(STAT_RX_AVAIL) ||
+ maui_read() == -1 || maui_read() == -1)
+ if (!maui_init(hw_config->irq))
+ goto out3;
+ }
+ if (!maui_write(0xCF)) /* Report hardware version */ {
+ printk(KERN_ERR "No WaveFront firmware detected (card uninitialized?)\n");
+ goto out3;
+ }
+ if ((tmp1 = maui_read()) == -1 || (tmp2 = maui_read()) == -1) {
+ printk(KERN_ERR "No WaveFront firmware detected (card uninitialized?)\n");
+ goto out3;
+ }
+ if (tmp1 == 0xff || tmp2 == 0xff)
+ goto out3;
+ printk(KERN_DEBUG "WaveFront hardware version %d.%d\n", tmp1, tmp2);
+
+ if (!maui_write(0x9F)) /* Report firmware version */
+ goto out3;
+ if ((tmp1 = maui_read()) == -1 || (tmp2 = maui_read()) == -1)
+ goto out3;
+
+ printk(KERN_DEBUG "WaveFront firmware version %d.%d\n", tmp1, tmp2);
+
+ if (!maui_write(0x85)) /* Report free DRAM */
+ goto out3;
+ tmp1 = 0;
+ for (i = 0; i < 4; i++) {
+ tmp1 |= maui_read() << (7 * i);
+ }
+ printk(KERN_DEBUG "Available DRAM %dk\n", tmp1 / 1024);
+
+ for (i = 0; i < 1000; i++)
+ if (probe_mpu401(hw_config, ports))
+ break;
+
+ ret = probe_mpu401(hw_config, ports);
+ if (!ret)
+ goto out3;
+
+ conf_printf("Maui", hw_config);
+
+ hw_config->irq *= -1;
+ hw_config->name = "Maui";
+ attach_mpu401(hw_config, THIS_MODULE);
+
+ if (hw_config->slots[1] != -1) /* The MPU401 driver installed itself */ {
+ struct synth_operations *synth;
+
+ this_dev = hw_config->slots[1];
+
+ /*
+ * Intercept patch loading calls so that they can be handled
+ * by the Maui driver.
+ */
+
+ synth = midi_devs[this_dev]->converter;
+ if (synth != NULL) {
+ synth->id = "MAUI";
+ orig_load_patch = synth->load_patch;
+ synth->load_patch = &maui_load_patch;
+ } else
+ printk(KERN_ERR "Maui: Can't install patch loader\n");
+ }
+ return 1;
+
+out3:
+ free_irq(hw_config->irq, NULL);
+out2:
+ release_region(hw_config->io_base + 2, 6);
+out:
+ release_region(hw_config->io_base, 2);
+ return 0;
+}
+
+static void __exit unload_maui(struct address_info *hw_config)
+{
+ int irq = hw_config->irq;
+ release_region(hw_config->io_base + 2, 6);
+ unload_mpu401(hw_config);
+
+ if (irq < 0)
+ irq = -irq;
+ if (irq > 0)
+ free_irq(irq, NULL);
+}
+
+static int fw_load;
+
+static struct address_info cfg;
+
+static int __initdata io = -1;
+static int __initdata irq = -1;
+
+module_param(io, int, 0);
+module_param(irq, int, 0);
+
+/*
+ * Install a Maui card. Needs mpu401 loaded already.
+ */
+
+static int __init init_maui(void)
+{
+ printk(KERN_INFO "Turtle beach Maui and Tropez driver, Copyright (C) by Hannu Savolainen 1993-1996\n");
+
+ cfg.io_base = io;
+ cfg.irq = irq;
+
+ if (cfg.io_base == -1 || cfg.irq == -1) {
+ printk(KERN_INFO "maui: irq and io must be set.\n");
+ return -EINVAL;
+ }
+
+ if (maui_os == NULL) {
+ fw_load = 1;
+ maui_osLen = mod_firmware_load("/etc/sound/oswf.mot", (char **) &maui_os);
+ }
+ if (probe_maui(&cfg) == 0)
+ return -ENODEV;
+
+ return 0;
+}
+
+static void __exit cleanup_maui(void)
+{
+ if (fw_load && maui_os)
+ vfree(maui_os);
+ unload_maui(&cfg);
+}
+
+module_init(init_maui);
+module_exit(cleanup_maui);
+
+#ifndef MODULE
+static int __init setup_maui(char *str)
+{
+ /* io, irq */
+ int ints[3];
+
+ str = get_options(str, ARRAY_SIZE(ints), ints);
+
+ io = ints[1];
+ irq = ints[2];
+
+ return 1;
+}
+
+__setup("maui=", setup_maui);
+#endif
+MODULE_LICENSE("GPL");
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