diff options
Diffstat (limited to 'sound/oss/sb_common.c')
| -rw-r--r-- | sound/oss/sb_common.c | 1287 |
1 files changed, 0 insertions, 1287 deletions
diff --git a/sound/oss/sb_common.c b/sound/oss/sb_common.c deleted file mode 100644 index 3d50fb4236ed..000000000000 --- a/sound/oss/sb_common.c +++ /dev/null @@ -1,1287 +0,0 @@ -/* - * 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"); |