--- /dev/null
+/*
+ * sound/oss/sb_common.c
+ *
+ * Common routines for Sound Blaster compatible cards.
+ *
+ *
+ * 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.
+ *
+ *
+ * Daniel J. Rodriksson: Modified sbintr to handle 8 and 16 bit interrupts
+ * for full duplex support ( only sb16 by now )
+ * Rolf Fokkens: Added (BETA?) support for ES1887 chips.
+ * (fokkensr@vertis.nl) Which means: You can adjust the recording levels.
+ *
+ * 2000/01/18 - separated sb_card and sb_common -
+ * Jeff Garzik <jgarzik@pobox.com>
+ *
+ * 2000/09/18 - got rid of attach_uart401
+ * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *
+ * 2001/01/26 - replaced CLI/STI with spinlocks
+ * Chris Rankin <rankinc@zipworld.com.au>
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+
+#include "sound_config.h"
+#include "sound_firmware.h"
+
+#include "mpu401.h"
+
+#include "sb_mixer.h"
+#include "sb.h"
+#include "sb_ess.h"
+
+/*
+ * global module flag
+ */
+
+int sb_be_quiet;
+
+static sb_devc *detected_devc; /* For communication from probe to init */
+static sb_devc *last_devc; /* For MPU401 initialization */
+
+static unsigned char jazz_irq_bits[] = {
+ 0, 0, 2, 3, 0, 1, 0, 4, 0, 2, 5, 0, 0, 0, 0, 6
+};
+
+static unsigned char jazz_dma_bits[] = {
+ 0, 1, 0, 2, 0, 3, 0, 4
+};
+
+void *smw_free;
+
+/*
+ * Jazz16 chipset specific control variables
+ */
+
+static int jazz16_base; /* Not detected */
+static unsigned char jazz16_bits; /* I/O relocation bits */
+static DEFINE_SPINLOCK(jazz16_lock);
+
+/*
+ * Logitech Soundman Wave specific initialization code
+ */
+
+#ifdef SMW_MIDI0001_INCLUDED
+#include "smw-midi0001.h"
+#else
+static unsigned char *smw_ucode;
+static int smw_ucodeLen;
+
+#endif
+
+static sb_devc *last_sb; /* Last sb loaded */
+
+int sb_dsp_command(sb_devc * devc, unsigned char val)
+{
+ int i;
+ unsigned long limit;
+
+ limit = jiffies + HZ / 10; /* Timeout */
+
+ /*
+ * Note! the i<500000 is an emergency exit. The sb_dsp_command() is sometimes
+ * called while interrupts are disabled. This means that the timer is
+ * disabled also. However the timeout situation is a abnormal condition.
+ * Normally the DSP should be ready to accept commands after just couple of
+ * loops.
+ */
+
+ for (i = 0; i < 500000 && (limit-jiffies)>0; i++)
+ {
+ if ((inb(DSP_STATUS) & 0x80) == 0)
+ {
+ outb((val), DSP_COMMAND);
+ return 1;
+ }
+ }
+ printk(KERN_WARNING "Sound Blaster: DSP command(%x) timeout.\n", val);
+ return 0;
+}
+
+int sb_dsp_get_byte(sb_devc * devc)
+{
+ int i;
+
+ for (i = 1000; i; i--)
+ {
+ if (inb(DSP_DATA_AVAIL) & 0x80)
+ return inb(DSP_READ);
+ }
+ return 0xffff;
+}
+
+static void sb_intr (sb_devc *devc)
+{
+ int status;
+ unsigned char src = 0xff;
+
+ if (devc->model == MDL_SB16)
+ {
+ src = sb_getmixer(devc, IRQ_STAT); /* Interrupt source register */
+
+ if (src & 4) /* MPU401 interrupt */
+ if(devc->midi_irq_cookie)
+ uart401intr(devc->irq, devc->midi_irq_cookie);
+
+ if (!(src & 3))
+ return; /* Not a DSP interrupt */
+ }
+ if (devc->intr_active && (!devc->fullduplex || (src & 0x01)))
+ {
+ switch (devc->irq_mode)
+ {
+ case IMODE_OUTPUT:
+ DMAbuf_outputintr(devc->dev, 1);
+ break;
+
+ case IMODE_INPUT:
+ DMAbuf_inputintr(devc->dev);
+ break;
+
+ case IMODE_INIT:
+ break;
+
+ case IMODE_MIDI:
+ sb_midi_interrupt(devc);
+ break;
+
+ default:
+ /* printk(KERN_WARNING "Sound Blaster: Unexpected interrupt\n"); */
+ ;
+ }
+ }
+ else if (devc->intr_active_16 && (src & 0x02))
+ {
+ switch (devc->irq_mode_16)
+ {
+ case IMODE_OUTPUT:
+ DMAbuf_outputintr(devc->dev, 1);
+ break;
+
+ case IMODE_INPUT:
+ DMAbuf_inputintr(devc->dev);
+ break;
+
+ case IMODE_INIT:
+ break;
+
+ default:
+ /* printk(KERN_WARNING "Sound Blaster: Unexpected interrupt\n"); */
+ ;
+ }
+ }
+ /*
+ * Acknowledge interrupts
+ */
+
+ if (src & 0x01)
+ status = inb(DSP_DATA_AVAIL);
+
+ if (devc->model == MDL_SB16 && src & 0x02)
+ status = inb(DSP_DATA_AVL16);
+}
+
+static void pci_intr(sb_devc *devc)
+{
+ int src = inb(devc->pcibase+0x1A);
+ src&=3;
+ if(src)
+ sb_intr(devc);
+}
+
+static irqreturn_t sbintr(int irq, void *dev_id)
+{
+ sb_devc *devc = dev_id;
+
+ devc->irq_ok = 1;
+
+ switch (devc->model) {
+ case MDL_ESSPCI:
+ pci_intr (devc);
+ break;
+
+ case MDL_ESS:
+ ess_intr (devc);
+ break;
+ default:
+ sb_intr (devc);
+ break;
+ }
+ return IRQ_HANDLED;
+}
+
+int sb_dsp_reset(sb_devc * devc)
+{
+ int loopc;
+
+ if (devc->model == MDL_ESS) return ess_dsp_reset (devc);
+
+ /* This is only for non-ESS chips */
+
+ outb(1, DSP_RESET);
+
+ udelay(10);
+ outb(0, DSP_RESET);
+ udelay(30);
+
+ for (loopc = 0; loopc < 1000 && !(inb(DSP_DATA_AVAIL) & 0x80); loopc++);
+
+ if (inb(DSP_READ) != 0xAA)
+ {
+ DDB(printk("sb: No response to RESET\n"));
+ return 0; /* Sorry */
+ }
+
+ return 1;
+}
+
+static void dsp_get_vers(sb_devc * devc)
+{
+ int i;
+
+ unsigned long flags;
+
+ DDB(printk("Entered dsp_get_vers()\n"));
+ spin_lock_irqsave(&devc->lock, flags);
+ devc->major = devc->minor = 0;
+ sb_dsp_command(devc, 0xe1); /* Get version */
+
+ for (i = 100000; i; i--)
+ {
+ if (inb(DSP_DATA_AVAIL) & 0x80)
+ {
+ if (devc->major == 0)
+ devc->major = inb(DSP_READ);
+ else
+ {
+ devc->minor = inb(DSP_READ);
+ break;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&devc->lock, flags);
+ DDB(printk("DSP version %d.%02d\n", devc->major, devc->minor));
+}
+
+static int sb16_set_dma_hw(sb_devc * devc)
+{
+ int bits;
+
+ if (devc->dma8 != 0 && devc->dma8 != 1 && devc->dma8 != 3)
+ {
+ printk(KERN_ERR "SB16: Invalid 8 bit DMA (%d)\n", devc->dma8);
+ return 0;
+ }
+ bits = (1 << devc->dma8);
+
+ if (devc->dma16 >= 5 && devc->dma16 <= 7)
+ bits |= (1 << devc->dma16);
+
+ sb_setmixer(devc, DMA_NR, bits);
+ return 1;
+}
+
+static void sb16_set_mpu_port(sb_devc * devc, struct address_info *hw_config)
+{
+ /*
+ * This routine initializes new MIDI port setup register of SB Vibra (CT2502).
+ */
+ unsigned char bits = sb_getmixer(devc, 0x84) & ~0x06;
+
+ switch (hw_config->io_base)
+ {
+ case 0x300:
+ sb_setmixer(devc, 0x84, bits | 0x04);
+ break;
+
+ case 0x330:
+ sb_setmixer(devc, 0x84, bits | 0x00);
+ break;
+
+ default:
+ sb_setmixer(devc, 0x84, bits | 0x02); /* Disable MPU */
+ printk(KERN_ERR "SB16: Invalid MIDI I/O port %x\n", hw_config->io_base);
+ }
+}
+
+static int sb16_set_irq_hw(sb_devc * devc, int level)
+{
+ int ival;
+
+ switch (level)
+ {
+ case 5:
+ ival = 2;
+ break;
+ case 7:
+ ival = 4;
+ break;
+ case 9:
+ ival = 1;
+ break;
+ case 10:
+ ival = 8;
+ break;
+ default:
+ printk(KERN_ERR "SB16: Invalid IRQ%d\n", level);
+ return 0;
+ }
+ sb_setmixer(devc, IRQ_NR, ival);
+ return 1;
+}
+
+static void relocate_Jazz16(sb_devc * devc, struct address_info *hw_config)
+{
+ unsigned char bits = 0;
+ unsigned long flags;
+
+ if (jazz16_base != 0 && jazz16_base != hw_config->io_base)
+ return;
+
+ switch (hw_config->io_base)
+ {
+ case 0x220:
+ bits = 1;
+ break;
+ case 0x240:
+ bits = 2;
+ break;
+ case 0x260:
+ bits = 3;
+ break;
+ default:
+ return;
+ }
+ bits = jazz16_bits = bits << 5;
+ jazz16_base = hw_config->io_base;
+
+ /*
+ * Magic wake up sequence by writing to 0x201 (aka Joystick port)
+ */
+ spin_lock_irqsave(&jazz16_lock, flags);
+ outb((0xAF), 0x201);
+ outb((0x50), 0x201);
+ outb((bits), 0x201);
+ spin_unlock_irqrestore(&jazz16_lock, flags);
+}
+
+static int init_Jazz16(sb_devc * devc, struct address_info *hw_config)
+{
+ char name[100];
+ /*
+ * First try to check that the card has Jazz16 chip. It identifies itself
+ * by returning 0x12 as response to DSP command 0xfa.
+ */
+
+ if (!sb_dsp_command(devc, 0xfa))
+ return 0;
+
+ if (sb_dsp_get_byte(devc) != 0x12)
+ return 0;
+
+ /*
+ * OK so far. Now configure the IRQ and DMA channel used by the card.
+ */
+ if (hw_config->irq < 1 || hw_config->irq > 15 || jazz_irq_bits[hw_config->irq] == 0)
+ {
+ printk(KERN_ERR "Jazz16: Invalid interrupt (IRQ%d)\n", hw_config->irq);
+ return 0;
+ }
+ if (hw_config->dma < 0 || hw_config->dma > 3 || jazz_dma_bits[hw_config->dma] == 0)
+ {
+ printk(KERN_ERR "Jazz16: Invalid 8 bit DMA (DMA%d)\n", hw_config->dma);
+ return 0;
+ }
+ if (hw_config->dma2 < 0)
+ {
+ printk(KERN_ERR "Jazz16: No 16 bit DMA channel defined\n");
+ return 0;
+ }
+ if (hw_config->dma2 < 5 || hw_config->dma2 > 7 || jazz_dma_bits[hw_config->dma2] == 0)
+ {
+ printk(KERN_ERR "Jazz16: Invalid 16 bit DMA (DMA%d)\n", hw_config->dma2);
+ return 0;
+ }
+ devc->dma16 = hw_config->dma2;
+
+ if (!sb_dsp_command(devc, 0xfb))
+ return 0;
+
+ if (!sb_dsp_command(devc, jazz_dma_bits[hw_config->dma] |
+ (jazz_dma_bits[hw_config->dma2] << 4)))
+ return 0;
+
+ if (!sb_dsp_command(devc, jazz_irq_bits[hw_config->irq]))
+ return 0;
+
+ /*
+ * Now we have configured a standard Jazz16 device.
+ */
+ devc->model = MDL_JAZZ;
+ strcpy(name, "Jazz16");
+
+ hw_config->name = "Jazz16";
+ devc->caps |= SB_NO_MIDI;
+ return 1;
+}
+
+static void relocate_ess1688(sb_devc * devc)
+{
+ unsigned char bits;
+
+ switch (devc->base)
+ {
+ case 0x220:
+ bits = 0x04;
+ break;
+ case 0x230:
+ bits = 0x05;
+ break;
+ case 0x240:
+ bits = 0x06;
+ break;
+ case 0x250:
+ bits = 0x07;
+ break;
+ default:
+ return; /* Wrong port */
+ }
+
+ DDB(printk("Doing ESS1688 address selection\n"));
+
+ /*
+ * ES1688 supports two alternative ways for software address config.
+ * First try the so called Read-Sequence-Key method.
+ */
+
+ /* Reset the sequence logic */
+ inb(0x229);
+ inb(0x229);
+ inb(0x229);
+
+ /* Perform the read sequence */
+ inb(0x22b);
+ inb(0x229);
+ inb(0x22b);
+ inb(0x229);
+ inb(0x229);
+ inb(0x22b);
+ inb(0x229);
+
+ /* Select the base address by reading from it. Then probe using the port. */
+ inb(devc->base);
+ if (sb_dsp_reset(devc)) /* Bingo */
+ return;
+
+#if 0 /* This causes system lockups (Nokia 386/25 at least) */
+ /*
+ * The last resort is the system control register method.
+ */
+
+ outb((0x00), 0xfb); /* 0xFB is the unlock register */
+ outb((0x00), 0xe0); /* Select index 0 */
+ outb((bits), 0xe1); /* Write the config bits */
+ outb((0x00), 0xf9); /* 0xFB is the lock register */
+#endif
+}
+
+int sb_dsp_detect(struct address_info *hw_config, int pci, int pciio, struct sb_module_options *sbmo)
+{
+ sb_devc sb_info;
+ sb_devc *devc = &sb_info;
+
+ memset((char *) &sb_info, 0, sizeof(sb_info)); /* Zero everything */
+
+ /* Copy module options in place */
+ if(sbmo) memcpy(&devc->sbmo, sbmo, sizeof(struct sb_module_options));
+
+ sb_info.my_mididev = -1;
+ sb_info.my_mixerdev = -1;
+ sb_info.dev = -1;
+
+ /*
+ * Initialize variables
+ */
+
+ DDB(printk("sb_dsp_detect(%x) entered\n", hw_config->io_base));
+
+ spin_lock_init(&devc->lock);
+ devc->type = hw_config->card_subtype;
+
+ devc->base = hw_config->io_base;
+ devc->irq = hw_config->irq;
+ devc->dma8 = hw_config->dma;
+
+ devc->dma16 = -1;
+ devc->pcibase = pciio;
+
+ if(pci == SB_PCI_ESSMAESTRO)
+ {
+ devc->model = MDL_ESSPCI;
+ devc->caps |= SB_PCI_IRQ;
+ hw_config->driver_use_1 |= SB_PCI_IRQ;
+ hw_config->card_subtype = MDL_ESSPCI;
+ }
+
+ if(pci == SB_PCI_YAMAHA)
+ {
+ devc->model = MDL_YMPCI;
+ devc->caps |= SB_PCI_IRQ;
+ hw_config->driver_use_1 |= SB_PCI_IRQ;
+ hw_config->card_subtype = MDL_YMPCI;
+
+ printk("Yamaha PCI mode.\n");
+ }
+
+ if (devc->sbmo.acer)
+ {
+ unsigned long flags;
+
+ spin_lock_irqsave(&devc->lock, flags);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x0b);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x0b);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x0b);
+ inb(devc->base + 0x09);
+ inb(devc->base + 0x00);
+ spin_unlock_irqrestore(&devc->lock, flags);
+ }
+ /*
+ * Detect the device
+ */
+
+ if (sb_dsp_reset(devc))
+ dsp_get_vers(devc);
+ else
+ devc->major = 0;
+
+ if (devc->type == 0 || devc->type == MDL_JAZZ || devc->type == MDL_SMW)
+ if (devc->major == 0 || (devc->major == 3 && devc->minor == 1))
+ relocate_Jazz16(devc, hw_config);
+
+ if (devc->major == 0 && (devc->type == MDL_ESS || devc->type == 0))
+ relocate_ess1688(devc);
+
+ if (!sb_dsp_reset(devc))
+ {
+ DDB(printk("SB reset failed\n"));
+#ifdef MODULE
+ printk(KERN_INFO "sb: dsp reset failed.\n");
+#endif
+ return 0;
+ }
+ if (devc->major == 0)
+ dsp_get_vers(devc);
+
+ if (devc->major == 3 && devc->minor == 1)
+ {
+ if (devc->type == MDL_AZTECH) /* SG Washington? */
+ {
+ if (sb_dsp_command(devc, 0x09))
+ if (sb_dsp_command(devc, 0x00)) /* Enter WSS mode */
+ {
+ int i;
+
+ /* Have some delay */
+ for (i = 0; i < 10000; i++)
+ inb(DSP_DATA_AVAIL);
+ devc->caps = SB_NO_AUDIO | SB_NO_MIDI; /* Mixer only */
+ devc->model = MDL_AZTECH;
+ }
+ }
+ }
+
+ if(devc->type == MDL_ESSPCI)
+ devc->model = MDL_ESSPCI;
+
+ if(devc->type == MDL_YMPCI)
+ {
+ printk("YMPCI selected\n");
+ devc->model = MDL_YMPCI;
+ }
+
+ /*
+ * Save device information for sb_dsp_init()
+ */
+
+
+ detected_devc = kmemdup(devc, sizeof(sb_devc), GFP_KERNEL);
+ if (detected_devc == NULL)
+ {
+ printk(KERN_ERR "sb: Can't allocate memory for device information\n");
+ return 0;
+ }
+ MDB(printk(KERN_INFO "SB %d.%02d detected OK (%x)\n", devc->major, devc->minor, hw_config->io_base));
+ return 1;
+}
+
+int sb_dsp_init(struct address_info *hw_config, struct module *owner)
+{
+ sb_devc *devc;
+ char name[100];
+ extern int sb_be_quiet;
+ int mixer22, mixer30;
+
+/*
+ * Check if we had detected a SB device earlier
+ */
+ DDB(printk("sb_dsp_init(%x) entered\n", hw_config->io_base));
+ name[0] = 0;
+
+ if (detected_devc == NULL)
+ {
+ MDB(printk("No detected device\n"));
+ return 0;
+ }
+ devc = detected_devc;
+ detected_devc = NULL;
+
+ if (devc->base != hw_config->io_base)
+ {
+ DDB(printk("I/O port mismatch\n"));
+ release_region(devc->base, 16);
+ return 0;
+ }
+ /*
+ * Now continue initialization of the device
+ */
+
+ devc->caps = hw_config->driver_use_1;
+
+ if (!((devc->caps & SB_NO_AUDIO) && (devc->caps & SB_NO_MIDI)) && hw_config->irq > 0)
+ { /* IRQ setup */
+
+ /*
+ * ESS PCI cards do shared PCI IRQ stuff. Since they
+ * will get shared PCI irq lines we must cope.
+ */
+
+ int i=(devc->caps&SB_PCI_IRQ)?IRQF_SHARED:0;
+
+ if (request_irq(hw_config->irq, sbintr, i, "soundblaster", devc) < 0)
+ {
+ printk(KERN_ERR "SB: Can't allocate IRQ%d\n", hw_config->irq);
+ release_region(devc->base, 16);
+ return 0;
+ }
+ devc->irq_ok = 0;
+
+ if (devc->major == 4)
+ if (!sb16_set_irq_hw(devc, devc->irq)) /* Unsupported IRQ */
+ {
+ free_irq(devc->irq, devc);
+ release_region(devc->base, 16);
+ return 0;
+ }
+ if ((devc->type == 0 || devc->type == MDL_ESS) &&
+ devc->major == 3 && devc->minor == 1)
+ { /* Handle various chipsets which claim they are SB Pro compatible */
+ if ((devc->type != 0 && devc->type != MDL_ESS) ||
+ !ess_init(devc, hw_config))
+ {
+ if ((devc->type != 0 && devc->type != MDL_JAZZ &&
+ devc->type != MDL_SMW) || !init_Jazz16(devc, hw_config))
+ {
+ DDB(printk("This is a genuine SB Pro\n"));
+ }
+ }
+ }
+ if (devc->major == 4 && devc->minor <= 11 ) /* Won't work */
+ devc->irq_ok = 1;
+ else
+ {
+ int n;
+
+ for (n = 0; n < 3 && devc->irq_ok == 0; n++)
+ {
+ if (sb_dsp_command(devc, 0xf2)) /* Cause interrupt immediately */
+ {
+ int i;
+
+ for (i = 0; !devc->irq_ok && i < 10000; i++);
+ }
+ }
+ if (!devc->irq_ok)
+ printk(KERN_WARNING "sb: Interrupt test on IRQ%d failed - Probable IRQ conflict\n", devc->irq);
+ else
+ {
+ DDB(printk("IRQ test OK (IRQ%d)\n", devc->irq));
+ }
+ }
+ } /* IRQ setup */
+
+ last_sb = devc;
+
+ switch (devc->major)
+ {
+ case 1: /* SB 1.0 or 1.5 */
+ devc->model = hw_config->card_subtype = MDL_SB1;
+ break;
+
+ case 2: /* SB 2.x */
+ if (devc->minor == 0)
+ devc->model = hw_config->card_subtype = MDL_SB2;
+ else
+ devc->model = hw_config->card_subtype = MDL_SB201;
+ break;
+
+ case 3: /* SB Pro and most clones */
+ switch (devc->model) {
+ case 0:
+ devc->model = hw_config->card_subtype = MDL_SBPRO;
+ if (hw_config->name == NULL)
+ hw_config->name = "Sound Blaster Pro (8 BIT ONLY)";
+ break;
+ case MDL_ESS:
+ ess_dsp_init(devc, hw_config);
+ break;
+ }
+ break;
+
+ case 4:
+ devc->model = hw_config->card_subtype = MDL_SB16;
+ /*
+ * ALS007 and ALS100 return DSP version 4.2 and have 2 post-reset !=0
+ * registers at 0x3c and 0x4c (output ctrl registers on ALS007) whereas
+ * a "standard" SB16 doesn't have a register at 0x4c. ALS100 actively
+ * updates register 0x22 whenever 0x30 changes, as per the SB16 spec.
+ * Since ALS007 doesn't, this can be used to differentiate the 2 cards.
+ */
+ if ((devc->minor == 2) && sb_getmixer(devc,0x3c) && sb_getmixer(devc,0x4c))
+ {
+ mixer30 = sb_getmixer(devc,0x30);
+ sb_setmixer(devc,0x22,(mixer22=sb_getmixer(devc,0x22)) & 0x0f);
+ sb_setmixer(devc,0x30,0xff);
+ /* ALS100 will force 0x30 to 0xf8 like SB16; ALS007 will allow 0xff. */
+ /* Register 0x22 & 0xf0 on ALS100 == 0xf0; on ALS007 it == 0x10. */
+ if ((sb_getmixer(devc,0x30) != 0xff) || ((sb_getmixer(devc,0x22) & 0xf0) != 0x10))
+ {
+ devc->submodel = SUBMDL_ALS100;
+ if (hw_config->name == NULL)
+ hw_config->name = "Sound Blaster 16 (ALS-100)";
+ }
+ else
+ {
+ sb_setmixer(devc,0x3c,0x1f); /* Enable all inputs */
+ sb_setmixer(devc,0x4c,0x1f);
+ sb_setmixer(devc,0x22,mixer22); /* Restore 0x22 to original value */
+ devc->submodel = SUBMDL_ALS007;
+ if (hw_config->name == NULL)
+ hw_config->name = "Sound Blaster 16 (ALS-007)";
+ }
+ sb_setmixer(devc,0x30,mixer30);
+ }
+ else if (hw_config->name == NULL)
+ hw_config->name = "Sound Blaster 16";
+
+ if (hw_config->dma2 == -1)
+ devc->dma16 = devc->dma8;
+ else if (hw_config->dma2 < 5 || hw_config->dma2 > 7)
+ {
+ printk(KERN_WARNING "SB16: Bad or missing 16 bit DMA channel\n");
+ devc->dma16 = devc->dma8;
+ }
+ else
+ devc->dma16 = hw_config->dma2;
+
+ if(!sb16_set_dma_hw(devc)) {
+ free_irq(devc->irq, devc);
+ release_region(hw_config->io_base, 16);
+ return 0;
+ }
+
+ devc->caps |= SB_NO_MIDI;
+ }
+
+ if (!(devc->caps & SB_NO_MIXER))
+ if (devc->major == 3 || devc->major == 4)
+ sb_mixer_init(devc, owner);
+
+ if (!(devc->caps & SB_NO_MIDI))
+ sb_dsp_midi_init(devc, owner);
+
+ if (hw_config->name == NULL)
+ hw_config->name = "Sound Blaster (8 BIT/MONO ONLY)";
+
+ sprintf(name, "%s (%d.%02d)", hw_config->name, devc->major, devc->minor);
+ conf_printf(name, hw_config);
+
+ /*
+ * Assuming that a sound card is Sound Blaster (compatible) is the most common
+ * configuration error and the mother of all problems. Usually sound cards
+ * emulate SB Pro but in addition they have a 16 bit native mode which should be
+ * used in Unix. See Readme.cards for more information about configuring OSS/Free
+ * properly.
+ */
+ if (devc->model <= MDL_SBPRO)
+ {
+ if (devc->major == 3 && devc->minor != 1) /* "True" SB Pro should have v3.1 (rare ones may have 3.2). */
+ {
+ printk(KERN_INFO "This sound card may not be fully Sound Blaster Pro compatible.\n");
+ printk(KERN_INFO "In many cases there is another way to configure OSS so that\n");
+ printk(KERN_INFO "it works properly with OSS (for example in 16 bit mode).\n");
+ printk(KERN_INFO "Please ignore this message if you _really_ have a SB Pro.\n");
+ }
+ else if (!sb_be_quiet && devc->model == MDL_SBPRO)
+ {
+ printk(KERN_INFO "SB DSP version is just %d.%02d which means that your card is\n", devc->major, devc->minor);
+ printk(KERN_INFO "several years old (8 bit only device) or alternatively the sound driver\n");
+ printk(KERN_INFO "is incorrectly configured.\n");
+ }
+ }
+ hw_config->card_subtype = devc->model;
+ hw_config->slots[0]=devc->dev;
+ last_devc = devc; /* For SB MPU detection */
+
+ if (!(devc->caps & SB_NO_AUDIO) && devc->dma8 >= 0)
+ {
+ if (sound_alloc_dma(devc->dma8, "SoundBlaster8"))
+ {
+ printk(KERN_WARNING "Sound Blaster: Can't allocate 8 bit DMA channel %d\n", devc->dma8);
+ }
+ if (devc->dma16 >= 0 && devc->dma16 != devc->dma8)
+ {
+ if (sound_alloc_dma(devc->dma16, "SoundBlaster16"))
+ printk(KERN_WARNING "Sound Blaster: can't allocate 16 bit DMA channel %d.\n", devc->dma16);
+ }
+ sb_audio_init(devc, name, owner);
+ hw_config->slots[0]=devc->dev;
+ }
+ else
+ {
+ MDB(printk("Sound Blaster: no audio devices found.\n"));
+ }
+ return 1;
+}
+
+/* if (sbmpu) below we allow mpu401 to manage the midi devs
+ otherwise we have to unload them. (Andrzej Krzysztofowicz) */
+
+void sb_dsp_unload(struct address_info *hw_config, int sbmpu)
+{
+ sb_devc *devc;
+
+ devc = audio_devs[hw_config->slots[0]]->devc;
+
+ if (devc && devc->base == hw_config->io_base)
+ {
+ if ((devc->model & MDL_ESS) && devc->pcibase)
+ release_region(devc->pcibase, 8);
+
+ release_region(devc->base, 16);
+
+ if (!(devc->caps & SB_NO_AUDIO))
+ {
+ sound_free_dma(devc->dma8);
+ if (devc->dma16 >= 0)
+ sound_free_dma(devc->dma16);
+ }
+ if (!(devc->caps & SB_NO_AUDIO && devc->caps & SB_NO_MIDI))
+ {
+ if (devc->irq > 0)
+ free_irq(devc->irq, devc);
+
+ sb_mixer_unload(devc);
+ /* We don't have to do this bit any more the UART401 is its own
+ master -- Krzysztof Halasa */
+ /* But we have to do it, if UART401 is not detected */
+ if (!sbmpu)
+ sound_unload_mididev(devc->my_mididev);
+ sound_unload_audiodev(devc->dev);
+ }
+ kfree(devc);
+ }
+ else
+ release_region(hw_config->io_base, 16);
+
+ kfree(detected_devc);
+}
+
+/*
+ * Mixer access routines
+ *
+ * ES1887 modifications: some mixer registers reside in the
+ * range above 0xa0. These must be accessed in another way.
+ */
+
+void sb_setmixer(sb_devc * devc, unsigned int port, unsigned int value)
+{
+ unsigned long flags;
+
+ if (devc->model == MDL_ESS) {
+ ess_setmixer (devc, port, value);
+ return;
+ }
+
+ spin_lock_irqsave(&devc->lock, flags);
+
+ outb(((unsigned char) (port & 0xff)), MIXER_ADDR);
+ udelay(20);
+ outb(((unsigned char) (value & 0xff)), MIXER_DATA);
+ udelay(20);
+
+ spin_unlock_irqrestore(&devc->lock, flags);
+}
+
+unsigned int sb_getmixer(sb_devc * devc, unsigned int port)
+{
+ unsigned int val;
+ unsigned long flags;
+
+ if (devc->model == MDL_ESS) return ess_getmixer (devc, port);
+
+ spin_lock_irqsave(&devc->lock, flags);
+
+ outb(((unsigned char) (port & 0xff)), MIXER_ADDR);
+ udelay(20);
+ val = inb(MIXER_DATA);
+ udelay(20);
+
+ spin_unlock_irqrestore(&devc->lock, flags);
+
+ return val;
+}
+
+void sb_chgmixer
+ (sb_devc * devc, unsigned int reg, unsigned int mask, unsigned int val)
+{
+ int value;
+
+ value = sb_getmixer(devc, reg);
+ value = (value & ~mask) | (val & mask);
+ sb_setmixer(devc, reg, value);
+}
+
+/*
+ * MPU401 MIDI initialization.
+ */
+
+static void smw_putmem(sb_devc * devc, int base, int addr, unsigned char val)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&jazz16_lock, flags); /* NOT the SB card? */
+
+ outb((addr & 0xff), base + 1); /* Low address bits */
+ outb((addr >> 8), base + 2); /* High address bits */
+ outb((val), base); /* Data */
+
+ spin_unlock_irqrestore(&jazz16_lock, flags);
+}
+
+static unsigned char smw_getmem(sb_devc * devc, int base, int addr)
+{
+ unsigned long flags;
+ unsigned char val;
+
+ spin_lock_irqsave(&jazz16_lock, flags); /* NOT the SB card? */
+
+ outb((addr & 0xff), base + 1); /* Low address bits */
+ outb((addr >> 8), base + 2); /* High address bits */
+ val = inb(base); /* Data */
+
+ spin_unlock_irqrestore(&jazz16_lock, flags);
+ return val;
+}
+
+static int smw_midi_init(sb_devc * devc, struct address_info *hw_config)
+{
+ int mpu_base = hw_config->io_base;
+ int mp_base = mpu_base + 4; /* Microcontroller base */
+ int i;
+ unsigned char control;
+
+
+ /*
+ * Reset the microcontroller so that the RAM can be accessed
+ */
+
+ control = inb(mpu_base + 7);
+ outb((control | 3), mpu_base + 7); /* Set last two bits to 1 (?) */
+ outb(((control & 0xfe) | 2), mpu_base + 7); /* xxxxxxx0 resets the mc */
+
+ mdelay(3); /* Wait at least 1ms */
+
+ outb((control & 0xfc), mpu_base + 7); /* xxxxxx00 enables RAM */
+
+ /*
+ * Detect microcontroller by probing the 8k RAM area
+ */
+ smw_putmem(devc, mp_base, 0, 0x00);
+ smw_putmem(devc, mp_base, 1, 0xff);
+ udelay(10);
+
+ if (smw_getmem(devc, mp_base, 0) != 0x00 || smw_getmem(devc, mp_base, 1) != 0xff)
+ {
+ DDB(printk("SM Wave: No microcontroller RAM detected (%02x, %02x)\n", smw_getmem(devc, mp_base, 0), smw_getmem(devc, mp_base, 1)));
+ return 0; /* No RAM */
+ }
+ /*
+ * There is RAM so assume it's really a SM Wave
+ */
+
+ devc->model = MDL_SMW;
+ smw_mixer_init(devc);
+
+#ifdef MODULE
+ if (!smw_ucode)
+ {
+ smw_ucodeLen = mod_firmware_load("/etc/sound/midi0001.bin", (void *) &smw_ucode);
+ smw_free = smw_ucode;
+ }
+#endif
+ if (smw_ucodeLen > 0)
+ {
+ if (smw_ucodeLen != 8192)
+ {
+ printk(KERN_ERR "SM Wave: Invalid microcode (MIDI0001.BIN) length\n");
+ return 1;
+ }
+ /*
+ * Download microcode
+ */
+
+ for (i = 0; i < 8192; i++)
+ smw_putmem(devc, mp_base, i, smw_ucode[i]);
+
+ /*
+ * Verify microcode
+ */
+
+ for (i = 0; i < 8192; i++)
+ if (smw_getmem(devc, mp_base, i) != smw_ucode[i])
+ {
+ printk(KERN_ERR "SM Wave: Microcode verification failed\n");
+ return 0;
+ }
+ }
+ control = 0;
+#ifdef SMW_SCSI_IRQ
+ /*
+ * Set the SCSI interrupt (IRQ2/9, IRQ3 or IRQ10). The SCSI interrupt
+ * is disabled by default.
+ *
+ * FIXME - make this a module option
+ *
+ * BTW the Zilog 5380 SCSI controller is located at MPU base + 0x10.
+ */
+ {
+ static unsigned char scsi_irq_bits[] = {
+ 0, 0, 3, 1, 0, 0, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0
+ };
+ control |= scsi_irq_bits[SMW_SCSI_IRQ] << 6;
+ }
+#endif
+
+#ifdef SMW_OPL4_ENABLE
+ /*
+ * Make the OPL4 chip visible on the PC bus at 0x380.
+ *
+ * There is no need to enable this feature since this driver
+ * doesn't support OPL4 yet. Also there is no RAM in SM Wave so
+ * enabling OPL4 is pretty useless.
+ */
+ control |= 0x10; /* Uses IRQ12 if bit 0x20 == 0 */
+ /* control |= 0x20; Uncomment this if you want to use IRQ7 */
+#endif
+ outb((control | 0x03), mpu_base + 7); /* xxxxxx11 restarts */
+ hw_config->name = "SoundMan Wave";
+ return 1;
+}
+
+static int init_Jazz16_midi(sb_devc * devc, struct address_info *hw_config)
+{
+ int mpu_base = hw_config->io_base;
+ int sb_base = devc->base;
+ int irq = hw_config->irq;
+
+ unsigned char bits = 0;
+ unsigned long flags;
+
+ if (irq < 0)
+ irq *= -1;
+
+ if (irq < 1 || irq > 15 ||
+ jazz_irq_bits[irq] == 0)
+ {
+ printk(KERN_ERR "Jazz16: Invalid MIDI interrupt (IRQ%d)\n", irq);
+ return 0;
+ }
+ switch (sb_base)
+ {
+ case 0x220:
+ bits = 1;
+ break;
+ case 0x240:
+ bits = 2;
+ break;
+ case 0x260:
+ bits = 3;
+ break;
+ default:
+ return 0;
+ }
+ bits = jazz16_bits = bits << 5;
+ switch (mpu_base)
+ {
+ case 0x310:
+ bits |= 1;
+ break;
+ case 0x320:
+ bits |= 2;
+ break;
+ case 0x330:
+ bits |= 3;
+ break;
+ default:
+ printk(KERN_ERR "Jazz16: Invalid MIDI I/O port %x\n", mpu_base);
+ return 0;
+ }
+ /*
+ * Magic wake up sequence by writing to 0x201 (aka Joystick port)
+ */
+ spin_lock_irqsave(&jazz16_lock, flags);
+ outb(0xAF, 0x201);
+ outb(0x50, 0x201);
+ outb(bits, 0x201);
+ spin_unlock_irqrestore(&jazz16_lock, flags);
+
+ hw_config->name = "Jazz16";
+ smw_midi_init(devc, hw_config);
+
+ if (!sb_dsp_command(devc, 0xfb))
+ return 0;
+
+ if (!sb_dsp_command(devc, jazz_dma_bits[devc->dma8] |
+ (jazz_dma_bits[devc->dma16] << 4)))
+ return 0;
+
+ if (!sb_dsp_command(devc, jazz_irq_bits[devc->irq] |
+ (jazz_irq_bits[irq] << 4)))
+ return 0;
+
+ return 1;
+}
+
+int probe_sbmpu(struct address_info *hw_config, struct module *owner)
+{
+ sb_devc *devc = last_devc;
+ int ret;
+
+ if (last_devc == NULL)
+ return 0;
+
+ last_devc = NULL;
+
+ if (hw_config->io_base <= 0)
+ {
+ /* The real vibra16 is fine about this, but we have to go
+ wipe up after Cyrix again */
+
+ if(devc->model == MDL_SB16 && devc->minor >= 12)
+ {
+ unsigned char bits = sb_getmixer(devc, 0x84) & ~0x06;
+ sb_setmixer(devc, 0x84, bits | 0x02); /* Disable MPU */
+ }
+ return 0;
+ }
+
+#if defined(CONFIG_SOUND_MPU401)
+ if (devc->model == MDL_ESS)
+ {
+ struct resource *ports;
+ ports = request_region(hw_config->io_base, 2, "mpu401");
+ if (!ports) {
+ printk(KERN_ERR "sbmpu: I/O port conflict (%x)\n", hw_config->io_base);
+ return 0;
+ }
+ if (!ess_midi_init(devc, hw_config)) {
+ release_region(hw_config->io_base, 2);
+ return 0;
+ }
+ hw_config->name = "ESS1xxx MPU";
+ devc->midi_irq_cookie = NULL;
+ if (!probe_mpu401(hw_config, ports)) {
+ release_region(hw_config->io_base, 2);
+ return 0;
+ }
+ attach_mpu401(hw_config, owner);
+ if (last_sb->irq == -hw_config->irq)
+ last_sb->midi_irq_cookie =
+ (void *)(long) hw_config->slots[1];
+ return 1;
+ }
+#endif
+
+ switch (devc->model)
+ {
+ case MDL_SB16:
+ if (hw_config->io_base != 0x300 && hw_config->io_base != 0x330)
+ {
+ printk(KERN_ERR "SB16: Invalid MIDI port %x\n", hw_config->io_base);
+ return 0;
+ }
+ hw_config->name = "Sound Blaster 16";
+ if (hw_config->irq < 3 || hw_config->irq == devc->irq)
+ hw_config->irq = -devc->irq;
+ if (devc->minor > 12) /* What is Vibra's version??? */
+ sb16_set_mpu_port(devc, hw_config);
+ break;
+
+ case MDL_JAZZ:
+ if (hw_config->irq < 3 || hw_config->irq == devc->irq)
+ hw_config->irq = -devc->irq;
+ if (!init_Jazz16_midi(devc, hw_config))
+ return 0;
+ break;
+
+ case MDL_YMPCI:
+ hw_config->name = "Yamaha PCI Legacy";
+ printk("Yamaha PCI legacy UART401 check.\n");
+ break;
+ default:
+ return 0;
+ }
+
+ ret = probe_uart401(hw_config, owner);
+ if (ret)
+ last_sb->midi_irq_cookie=midi_devs[hw_config->slots[4]]->devc;
+ return ret;
+}
+
+void unload_sbmpu(struct address_info *hw_config)
+{
+#if defined(CONFIG_SOUND_MPU401)
+ if (!strcmp (hw_config->name, "ESS1xxx MPU")) {
+ unload_mpu401(hw_config);
+ return;
+ }
+#endif
+ unload_uart401(hw_config);
+}
+
+EXPORT_SYMBOL(sb_dsp_init);
+EXPORT_SYMBOL(sb_dsp_detect);
+EXPORT_SYMBOL(sb_dsp_unload);
+EXPORT_SYMBOL(sb_be_quiet);
+EXPORT_SYMBOL(probe_sbmpu);
+EXPORT_SYMBOL(unload_sbmpu);
+EXPORT_SYMBOL(smw_free);
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff