/* * sound/sscape.c * * Low level driver for Ensoniq SoundScape * * * 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. * * * Thomas Sailer : ioctl code reworked (vmalloc/vfree removed) * Sergey Smitienko : ensoniq p'n'p support * Christoph Hellwig : adapted to module_init/module_exit * Bartlomiej Zolnierkiewicz : added __init to attach_sscape() * Chris Rankin : Specify that this module owns the coprocessor * Arnaldo C. de Melo : added missing restore_flags in sscape_pnp_upload_file */ #include <linux/init.h> #include <linux/module.h> #include "sound_config.h" #include "sound_firmware.h" #include <linux/types.h> #include <linux/errno.h> #include <linux/signal.h> #include <linux/fcntl.h> #include <linux/ctype.h> #include <linux/stddef.h> #include <linux/kmod.h> #include <asm/dma.h> #include <asm/io.h> #include <linux/wait.h> #include <linux/slab.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/proc_fs.h> #include <linux/spinlock.h> #include "coproc.h" #include "ad1848.h" #include "mpu401.h" /* * I/O ports */ #define MIDI_DATA 0 #define MIDI_CTRL 1 #define HOST_CTRL 2 #define TX_READY 0x02 #define RX_READY 0x01 #define HOST_DATA 3 #define ODIE_ADDR 4 #define ODIE_DATA 5 /* * Indirect registers */ #define GA_INTSTAT_REG 0 #define GA_INTENA_REG 1 #define GA_DMAA_REG 2 #define GA_DMAB_REG 3 #define GA_INTCFG_REG 4 #define GA_DMACFG_REG 5 #define GA_CDCFG_REG 6 #define GA_SMCFGA_REG 7 #define GA_SMCFGB_REG 8 #define GA_HMCTL_REG 9 /* * DMA channel identifiers (A and B) */ #define SSCAPE_DMA_A 0 #define SSCAPE_DMA_B 1 #define PORT(name) (devc->base+name) /* * Host commands recognized by the OBP microcode */ #define CMD_GEN_HOST_ACK 0x80 #define CMD_GEN_MPU_ACK 0x81 #define CMD_GET_BOARD_TYPE 0x82 #define CMD_SET_CONTROL 0x88 /* Old firmware only */ #define CMD_GET_CONTROL 0x89 /* Old firmware only */ #define CTL_MASTER_VOL 0 #define CTL_MIC_MODE 2 #define CTL_SYNTH_VOL 4 #define CTL_WAVE_VOL 7 #define CMD_SET_EXTMIDI 0x8a #define CMD_GET_EXTMIDI 0x8b #define CMD_SET_MT32 0x8c #define CMD_GET_MT32 0x8d #define CMD_ACK 0x80 #define IC_ODIE 1 #define IC_OPUS 2 typedef struct sscape_info { int base, irq, dma; int codec, codec_irq; /* required to setup pnp cards*/ int codec_type; int ic_type; char* raw_buf; unsigned long raw_buf_phys; int buffsize; /* -------------------------- */ spinlock_t lock; int ok; /* Properly detected */ int failed; int dma_allocated; int codec_audiodev; int opened; int *osp; int my_audiodev; } sscape_info; static struct sscape_info adev_info = { 0 }; static struct sscape_info *devc = &adev_info; static int sscape_mididev = -1; /* Some older cards have assigned interrupt bits differently than new ones */ static char valid_interrupts_old[] = { 9, 7, 5, 15 }; static char valid_interrupts_new[] = { 9, 5, 7, 10 }; static char *valid_interrupts = valid_interrupts_new; /* * See the bottom of the driver. This can be set by spea =0/1. */ #ifdef REVEAL_SPEA static char old_hardware = 1; #else static char old_hardware; #endif static void sleep(unsigned howlong) { current->state = TASK_INTERRUPTIBLE; schedule_timeout(howlong); } static unsigned char sscape_read(struct sscape_info *devc, int reg) { unsigned long flags; unsigned char val; spin_lock_irqsave(&devc->lock,flags); outb(reg, PORT(ODIE_ADDR)); val = inb(PORT(ODIE_DATA)); spin_unlock_irqrestore(&devc->lock,flags); return val; } static void __sscape_write(int reg, int data) { outb(reg, PORT(ODIE_ADDR)); outb(data, PORT(ODIE_DATA)); } static void sscape_write(struct sscape_info *devc, int reg, int data) { unsigned long flags; spin_lock_irqsave(&devc->lock,flags); __sscape_write(reg, data); spin_unlock_irqrestore(&devc->lock,flags); } static unsigned char sscape_pnp_read_codec(sscape_info* devc, unsigned char reg) { unsigned char res; unsigned long flags; spin_lock_irqsave(&devc->lock,flags); outb( reg, devc -> codec); res = inb (devc -> codec + 1); spin_unlock_irqrestore(&devc->lock,flags); return res; } static void sscape_pnp_write_codec(sscape_info* devc, unsigned char reg, unsigned char data) { unsigned long flags; spin_lock_irqsave(&devc->lock,flags); outb( reg, devc -> codec); outb( data, devc -> codec + 1); spin_unlock_irqrestore(&devc->lock,flags); } static void host_open(struct sscape_info *devc) { outb((0x00), PORT(HOST_CTRL)); /* Put the board to the host mode */ } static void host_close(struct sscape_info *devc) { outb((0x03), PORT(HOST_CTRL)); /* Put the board to the MIDI mode */ } static int host_write(struct sscape_info *devc, unsigned char *data, int count) { unsigned long flags; int i, timeout_val; spin_lock_irqsave(&devc->lock,flags); /* * Send the command and data bytes */ for (i = 0; i < count; i++) { for (timeout_val = 10000; timeout_val > 0; timeout_val--) if (inb(PORT(HOST_CTRL)) & TX_READY) break; if (timeout_val <= 0) { spin_unlock_irqrestore(&devc->lock,flags); return 0; } outb(data[i], PORT(HOST_DATA)); } spin_unlock_irqrestore(&devc->lock,flags); return 1; } static int host_read(struct sscape_info *devc) { unsigned long flags; int timeout_val; unsigned char data; spin_lock_irqsave(&devc->lock,flags); /* * Read a byte */ for (timeout_val = 10000; timeout_val > 0; timeout_val--) if (inb(PORT(HOST_CTRL)) & RX_READY) break; if (timeout_val <= 0) { spin_unlock_irqrestore(&devc->lock,flags); return -1; } data = inb(PORT(HOST_DATA)); spin_unlock_irqrestore(&devc->lock,flags); return data; } #if 0 /* unused */ static int host_command1(struct sscape_info *devc, int cmd) { unsigned char buf[10]; buf[0] = (unsigned char) (cmd & 0xff); return host_write(devc, buf, 1); } #endif /* unused */ static int host_command2(struct sscape_info *devc, int cmd, int parm1) { unsigned char buf[10]; buf[0] = (unsigned char) (cmd & 0xff); buf[1] = (unsigned char) (parm1 & 0xff); return host_write(devc, buf, 2); } static int host_command3(struct sscape_info *devc, int cmd, int parm1, int parm2) { unsigned char buf[10]; buf[0] = (unsigned char) (cmd & 0xff); buf[1] = (unsigned char) (parm1 & 0xff); buf[2] = (unsigned char) (parm2 & 0xff); return host_write(devc, buf, 3); } static void set_mt32(struct sscape_info *devc, int value) { host_open(devc); host_command2(devc, CMD_SET_MT32, value ? 1 : 0); if (host_read(devc) != CMD_ACK) { /* printk( "SNDSCAPE: Setting MT32 mode failed\n"); */ } host_close(devc); } static void set_control(struct sscape_info *devc, int ctrl, int value) { host_open(devc); host_command3(devc, CMD_SET_CONTROL, ctrl, value); if (host_read(devc) != CMD_ACK) { /* printk( "SNDSCAPE: Setting control (%d) failed\n", ctrl); */ } host_close(devc); } static void do_dma(struct sscape_info *devc, int dma_chan, unsigned long buf, int blk_size, int mode) { unsigned char temp; if (dma_chan != SSCAPE_DMA_A) { printk(KERN_WARNING "soundscape: Tried to use DMA channel != A. Why?\n"); return; } audio_devs[devc->codec_audiodev]->flags &= ~DMA_AUTOMODE; DMAbuf_start_dma(devc->codec_audiodev, buf, blk_size, mode); audio_devs[devc->codec_audiodev]->flags |= DMA_AUTOMODE; temp = devc->dma << 4; /* Setup DMA channel select bits */ if (devc->dma <= 3) temp |= 0x80; /* 8 bit DMA channel */ temp |= 1; /* Trigger DMA */ sscape_write(devc, GA_DMAA_REG, temp); temp &= 0xfe; /* Clear DMA trigger */ sscape_write(devc, GA_DMAA_REG, temp); } static int verify_mpu(struct sscape_info *devc) { /* * The SoundScape board could be in three modes (MPU, 8250 and host). * If the card is not in the MPU mode, enabling the MPU driver will * cause infinite loop (the driver believes that there is always some * received data in the buffer. * * Detect this by looking if there are more than 10 received MIDI bytes * (0x00) in the buffer. */ int i; for (i = 0; i < 10; i++) { if (inb(devc->base + HOST_CTRL) & 0x80) return 1; if (inb(devc->base) != 0x00) return 1; } printk(KERN_WARNING "SoundScape: The device is not in the MPU-401 mode\n"); return 0; } static int sscape_coproc_open(void *dev_info, int sub_device) { if (sub_device == COPR_MIDI) { set_mt32(devc, 0); if (!verify_mpu(devc)) return -EIO; } return 0; } static void sscape_coproc_close(void *dev_info, int sub_device) { struct sscape_info *devc = dev_info; unsigned long flags; spin_lock_irqsave(&devc->lock,flags); if (devc->dma_allocated) { __sscape_write(GA_DMAA_REG, 0x20); /* DMA channel disabled */ devc->dma_allocated = 0; } spin_unlock_irqrestore(&devc->lock,flags); return; } static void sscape_coproc_reset(void *dev_info) { } static int sscape_download_boot(struct sscape_info *devc, unsigned char *block, int size, int flag) { unsigned long flags; unsigned char temp; volatile int done, timeout_val; static unsigned char codec_dma_bits; if (flag & CPF_FIRST) { /* * First block. Have to allocate DMA and to reset the board * before continuing. */ spin_lock_irqsave(&devc->lock,flags); codec_dma_bits = sscape_read(devc, GA_CDCFG_REG); if (devc->dma_allocated == 0) devc->dma_allocated = 1; spin_unlock_irqrestore(&devc->lock,flags); sscape_write(devc, GA_HMCTL_REG, (temp = sscape_read(devc, GA_HMCTL_REG)) & 0x3f); /*Reset */ for (timeout_val = 10000; timeout_val > 0; timeout_val--) sscape_read(devc, GA_HMCTL_REG); /* Delay */ /* Take board out of reset */ sscape_write(devc, GA_HMCTL_REG, (temp = sscape_read(devc, GA_HMCTL_REG)) | 0x80); } /* * Transfer one code block using DMA */ if (audio_devs[devc->codec_audiodev]->dmap_out->raw_buf == NULL) { printk(KERN_WARNING "soundscape: DMA buffer not available\n"); return 0; } memcpy(audio_devs[devc->codec_audiodev]->dmap_out->raw_buf, block, size); spin_lock_irqsave(&devc->lock,flags); /******** INTERRUPTS DISABLED NOW ********/ do_dma(devc, SSCAPE_DMA_A, audio_devs[devc->codec_audiodev]->dmap_out->raw_buf_phys, size, DMA_MODE_WRITE); /* * Wait until transfer completes. */ done = 0; timeout_val = 30; while (!done && timeout_val-- > 0) { int resid; if (HZ / 50) sleep(HZ / 50); clear_dma_ff(devc->dma); if ((resid = get_dma_residue(devc->dma)) == 0) done = 1; } spin_unlock_irqrestore(&devc->lock,flags); if (!done) return 0; if (flag & CPF_LAST) { /* * Take the board out of reset */ outb((0x00), PORT(HOST_CTRL)); outb((0x00), PORT(MIDI_CTRL)); temp = sscape_read(devc, GA_HMCTL_REG); temp |= 0x40; sscape_write(devc, GA_HMCTL_REG, temp); /* Kickstart the board */ /* * Wait until the ODB wakes up */ spin_lock_irqsave(&devc->lock,flags); done = 0; timeout_val = 5 * HZ; while (!done && timeout_val-- > 0) { unsigned char x; sleep(1); x = inb(PORT(HOST_DATA)); if (x == 0xff || x == 0xfe) /* OBP startup acknowledge */ { DDB(printk("Soundscape: Acknowledge = %x\n", x)); done = 1; } } sscape_write(devc, GA_CDCFG_REG, codec_dma_bits); spin_unlock_irqrestore(&devc->lock,flags); if (!done) { printk(KERN_ERR "soundscape: The OBP didn't respond after code download\n"); return 0; } spin_lock_irqsave(&devc->lock,flags); done = 0; timeout_val = 5 * HZ; while (!done && timeout_val-- > 0) { sleep(1); if (inb(PORT(HOST_DATA)) == 0xfe) /* Host startup acknowledge */ done = 1; } spin_unlock_irqrestore(&devc->lock,flags); if (!done) { printk(KERN_ERR "soundscape: OBP Initialization failed.\n"); return 0; } printk(KERN_INFO "SoundScape board initialized OK\n"); set_control(devc, CTL_MASTER_VOL, 100); set_control(devc, CTL_SYNTH_VOL, 100); #ifdef SSCAPE_DEBUG3 /* * Temporary debugging aid. Print contents of the registers after * downloading the code. */ { int i; for (i = 0; i < 13; i++) printk("I%d = %02x (new value)\n", i, sscape_read(devc, i)); } #endif } return 1; } static int download_boot_block(void *dev_info, copr_buffer * buf) { if (buf->len <= 0 || buf->len > sizeof(buf->data)) return -EINVAL; if (!sscape_download_boot(devc, buf->data, buf->len, buf->flags)) { printk(KERN_ERR "soundscape: Unable to load microcode block to the OBP.\n"); return -EIO; } return 0; } static int sscape_coproc_ioctl(void *dev_info, unsigned int cmd, void __user *arg, int local) { copr_buffer *buf; int err; switch (cmd) { case SNDCTL_COPR_RESET: sscape_coproc_reset(dev_info); return 0; case SNDCTL_COPR_LOAD: buf = (copr_buffer *) vmalloc(sizeof(copr_buffer)); if (buf == NULL) return -ENOSPC; if (copy_from_user(buf, arg, sizeof(copr_buffer))) { vfree(buf); return -EFAULT; } err = download_boot_block(dev_info, buf); vfree(buf); return err; default: return -EINVAL; } } static coproc_operations sscape_coproc_operations = { "SoundScape M68K", THIS_MODULE, sscape_coproc_open, sscape_coproc_close, sscape_coproc_ioctl, sscape_coproc_reset, &adev_info }; static struct resource *sscape_ports; static int sscape_is_pnp; static void __init attach_sscape(struct address_info *hw_config) { #ifndef SSCAPE_REGS /* * Config register values for Spea/V7 Media FX and Ensoniq S-2000. * These values are card * dependent. If you have another SoundScape based card, you have to * find the correct values. Do the following: * - Compile this driver with SSCAPE_DEBUG1 defined. * - Shut down and power off your machine. * - Boot with DOS so that the SSINIT.EXE program is run. * - Warm boot to {Linux|SYSV|BSD} and write down the lines displayed * when detecting the SoundScape. * - Modify the following list to use the values printed during boot. * Undefine the SSCAPE_DEBUG1 */ #define SSCAPE_REGS { \ /* I0 */ 0x00, \ /* I1 */ 0xf0, /* Note! Ignored. Set always to 0xf0 */ \ /* I2 */ 0x20, /* Note! Ignored. Set always to 0x20 */ \ /* I3 */ 0x20, /* Note! Ignored. Set always to 0x20 */ \ /* I4 */ 0xf5, /* Ignored */ \ /* I5 */ 0x10, \ /* I6 */ 0x00, \ /* I7 */ 0x2e, /* I7 MEM config A. Likely to vary between models */ \ /* I8 */ 0x00, /* I8 MEM config B. Likely to vary between models */ \ /* I9 */ 0x40 /* Ignored */ \ } #endif unsigned long flags; static unsigned char regs[10] = SSCAPE_REGS; int i, irq_bits = 0xff; if (old_hardware) { valid_interrupts = valid_interrupts_old; conf_printf("Ensoniq SoundScape (old)", hw_config); } else conf_printf("Ensoniq SoundScape", hw_config); for (i = 0; i < 4; i++) { if (hw_config->irq == valid_interrupts[i]) { irq_bits = i; break; } } if (hw_config->irq > 15 || (regs[4] = irq_bits == 0xff)) { printk(KERN_ERR "Invalid IRQ%d\n", hw_config->irq); release_region(devc->base, 2); release_region(devc->base + 2, 6); if (sscape_is_pnp) release_region(devc->codec, 2); return; } if (!sscape_is_pnp) { spin_lock_irqsave(&devc->lock,flags); /* Host interrupt enable */ sscape_write(devc, 1, 0xf0); /* All interrupts enabled */ /* DMA A status/trigger register */ sscape_write(devc, 2, 0x20); /* DMA channel disabled */ /* DMA B status/trigger register */ sscape_write(devc, 3, 0x20); /* DMA channel disabled */ /* Host interrupt config reg */ sscape_write(devc, 4, 0xf0 | (irq_bits << 2) | irq_bits); /* Don't destroy CD-ROM DMA config bits (0xc0) */ sscape_write(devc, 5, (regs[5] & 0x3f) | (sscape_read(devc, 5) & 0xc0)); /* CD-ROM config (WSS codec actually) */ sscape_write(devc, 6, regs[6]); sscape_write(devc, 7, regs[7]); sscape_write(devc, 8, regs[8]); /* Master control reg. Don't modify CR-ROM bits. Disable SB emul */ sscape_write(devc, 9, (sscape_read(devc, 9) & 0xf0) | 0x08); spin_unlock_irqrestore(&devc->lock,flags); } #ifdef SSCAPE_DEBUG2 /* * Temporary debugging aid. Print contents of the registers after * changing them. */ { int i; for (i = 0; i < 13; i++) printk("I%d = %02x (new value)\n", i, sscape_read(devc, i)); } #endif if (probe_mpu401(hw_config, sscape_ports)) hw_config->always_detect = 1; hw_config->name = "SoundScape"; hw_config->irq *= -1; /* Negative value signals IRQ sharing */ attach_mpu401(hw_config, THIS_MODULE); hw_config->irq *= -1; /* Restore it */ if (hw_config->slots[1] != -1) /* The MPU driver installed itself */ { sscape_mididev = hw_config->slots[1]; midi_devs[hw_config->slots[1]]->coproc = &sscape_coproc_operations; } sscape_write(devc, GA_INTENA_REG, 0x80); /* Master IRQ enable */ devc->ok = 1; devc->failed = 0; } static int detect_ga(sscape_info * devc) { unsigned char save; DDB(printk("Entered Soundscape detect_ga(%x)\n", devc->base)); /* * First check that the address register of "ODIE" is * there and that it has exactly 4 writable bits. * First 4 bits */ if ((save = inb(PORT(ODIE_ADDR))) & 0xf0) { DDB(printk("soundscape: Detect error A\n")); return 0; } outb((0x00), PORT(ODIE_ADDR)); if (inb(PORT(ODIE_ADDR)) != 0x00) { DDB(printk("soundscape: Detect error B\n")); return 0; } outb((0xff), PORT(ODIE_ADDR)); if (inb(PORT(ODIE_ADDR)) != 0x0f) { DDB(printk("soundscape: Detect error C\n")); return 0; } outb((save), PORT(ODIE_ADDR)); /* * Now verify that some indirect registers return zero on some bits. * This may break the driver with some future revisions of "ODIE" but... */ if (sscape_read(devc, 0) & 0x0c) { DDB(printk("soundscape: Detect error D (%x)\n", sscape_read(devc, 0))); return 0; } if (sscape_read(devc, 1) & 0x0f) { DDB(printk("soundscape: Detect error E\n")); return 0; } if (sscape_read(devc, 5) & 0x0f) { DDB(printk("soundscape: Detect error F\n")); return 0; } return 1; } static int sscape_read_host_ctrl(sscape_info* devc) { return host_read(devc); } static void sscape_write_host_ctrl2(sscape_info *devc, int a, int b) { host_command2(devc, a, b); } static int sscape_alloc_dma(sscape_info *devc) { char *start_addr, *end_addr; int dma_pagesize; int sz, size; struct page *page; if (devc->raw_buf != NULL) return 0; /* Already done */ dma_pagesize = (devc->dma < 4) ? (64 * 1024) : (128 * 1024); devc->raw_buf = NULL; devc->buffsize = 8192*4; if (devc->buffsize > dma_pagesize) devc->buffsize = dma_pagesize; start_addr = NULL; /* * Now loop until we get a free buffer. Try to get smaller buffer if * it fails. Don't accept smaller than 8k buffer for performance * reasons. */ while (start_addr == NULL && devc->buffsize > PAGE_SIZE) { for (sz = 0, size = PAGE_SIZE; size < devc->buffsize; sz++, size <<= 1); devc->buffsize = PAGE_SIZE * (1 << sz); start_addr = (char *) __get_free_pages(GFP_ATOMIC|GFP_DMA, sz); if (start_addr == NULL) devc->buffsize /= 2; } if (start_addr == NULL) { printk(KERN_ERR "sscape pnp init error: Couldn't allocate DMA buffer\n"); return 0; } else { /* make some checks */ end_addr = start_addr + devc->buffsize - 1; /* now check if it fits into the same dma-pagesize */ if (((long) start_addr & ~(dma_pagesize - 1)) != ((long) end_addr & ~(dma_pagesize - 1)) || end_addr >= (char *) (MAX_DMA_ADDRESS)) { printk(KERN_ERR "sscape pnp: Got invalid address 0x%lx for %db DMA-buffer\n", (long) start_addr, devc->buffsize); return 0; } } devc->raw_buf = start_addr; devc->raw_buf_phys = virt_to_bus(start_addr); for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++) SetPageReserved(page); return 1; } static void sscape_free_dma(sscape_info *devc) { int sz, size; unsigned long start_addr, end_addr; struct page *page; if (devc->raw_buf == NULL) return; for (sz = 0, size = PAGE_SIZE; size < devc->buffsize; sz++, size <<= 1); start_addr = (unsigned long) devc->raw_buf; end_addr = start_addr + devc->buffsize; for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++) ClearPageReserved(page); free_pages((unsigned long) devc->raw_buf, sz); devc->raw_buf = NULL; } /* Intel version !!!!!!!!! */ static int sscape_start_dma(int chan, unsigned long physaddr, int count, int dma_mode) { unsigned long flags; flags = claim_dma_lock(); disable_dma(chan); clear_dma_ff(chan); set_dma_mode(chan, dma_mode); set_dma_addr(chan, physaddr); set_dma_count(chan, count); enable_dma(chan); release_dma_lock(flags); return 0; } static void sscape_pnp_start_dma(sscape_info* devc, int arg ) { int reg; if (arg == 0) reg = 2; else reg = 3; sscape_write(devc, reg, sscape_read( devc, reg) | 0x01); sscape_write(devc, reg, sscape_read( devc, reg) & 0xFE); } static int sscape_pnp_wait_dma (sscape_info* devc, int arg ) { int reg; unsigned long i; unsigned char d; if (arg == 0) reg = 2; else reg = 3; sleep ( 1 ); i = 0; do { d = sscape_read(devc, reg) & 1; if ( d == 1) break; i++; } while (i < 500000); d = sscape_read(devc, reg) & 1; return d; } static int sscape_pnp_alloc_dma(sscape_info* devc) { /* printk(KERN_INFO "sscape: requesting dma\n"); */ if (request_dma(devc -> dma, "sscape")) return 0; /* printk(KERN_INFO "sscape: dma channel allocated\n"); */ if (!sscape_alloc_dma(devc)) { free_dma(devc -> dma); return 0; }; return 1; } static void sscape_pnp_free_dma(sscape_info* devc) { sscape_free_dma( devc); free_dma(devc -> dma ); /* printk(KERN_INFO "sscape: dma released\n"); */ } static int sscape_pnp_upload_file(sscape_info* devc, char* fn) { int done = 0; int timeout_val; char* data,*dt; int len,l; unsigned long flags; sscape_write( devc, 9, sscape_read(devc, 9 ) & 0x3F ); sscape_write( devc, 2, (devc -> dma << 4) | 0x80 ); sscape_write( devc, 3, 0x20 ); sscape_write( devc, 9, sscape_read( devc, 9 ) | 0x80 ); len = mod_firmware_load(fn, &data); if (len == 0) { printk(KERN_ERR "sscape: file not found: %s\n", fn); return 0; } dt = data; spin_lock_irqsave(&devc->lock,flags); while ( len > 0 ) { if (len > devc -> buffsize) l = devc->buffsize; else l = len; len -= l; memcpy(devc->raw_buf, dt, l); dt += l; sscape_start_dma(devc->dma, devc->raw_buf_phys, l, 0x48); sscape_pnp_start_dma ( devc, 0 ); if (sscape_pnp_wait_dma ( devc, 0 ) == 0) { spin_unlock_irqrestore(&devc->lock,flags); return 0; } } spin_unlock_irqrestore(&devc->lock,flags); vfree(data); outb(0, devc -> base + 2); outb(0, devc -> base); sscape_write ( devc, 9, sscape_read( devc, 9 ) | 0x40); timeout_val = 5 * HZ; while (!done && timeout_val-- > 0) { unsigned char x; sleep(1); x = inb( devc -> base + 3); if (x == 0xff || x == 0xfe) /* OBP startup acknowledge */ { //printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x); done = 1; } } timeout_val = 5 * HZ; done = 0; while (!done && timeout_val-- > 0) { unsigned char x; sleep(1); x = inb( devc -> base + 3); if (x == 0xfe) /* OBP startup acknowledge */ { //printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x); done = 1; } } if ( !done ) printk(KERN_ERR "soundscape: OBP Initialization failed.\n"); sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40); sscape_write( devc, 3, (devc -> dma << 4) + 0x80); return 1; } static void __init sscape_pnp_init_hw(sscape_info* devc) { unsigned char midi_irq = 0, sb_irq = 0; unsigned i; static char code_file_name[23] = "/sndscape/sndscape.cox"; int sscape_joystic_enable = 0x7f; int sscape_mic_enable = 0; int sscape_ext_midi = 0; if ( !sscape_pnp_alloc_dma(devc) ) { printk(KERN_ERR "sscape: faild to allocate dma\n"); return; } for (i = 0; i < 4; i++) { if ( devc -> irq == valid_interrupts[i] ) midi_irq = i; if ( devc -> codec_irq == valid_interrupts[i] ) sb_irq = i; } sscape_write( devc, 5, 0x50); sscape_write( devc, 7, 0x2e); sscape_write( devc, 8, 0x00); sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40); sscape_write( devc, 3, ( devc -> dma << 4) | 0x80); sscape_write (devc, 4, 0xF0 | (midi_irq<<2) | midi_irq); i = 0x10; //sscape_read(devc, 9) & (devc->ic_type == IC_ODIE ? 0xf0 : 0xc0); if (sscape_joystic_enable) i |= 8; sscape_write (devc, 9, i); sscape_write (devc, 6, 0x80); sscape_write (devc, 1, 0x80); if (devc -> codec_type == 2) { sscape_pnp_write_codec( devc, 0x0C, 0x50); sscape_pnp_write_codec( devc, 0x10, sscape_pnp_read_codec( devc, 0x10) & 0x3F); sscape_pnp_write_codec( devc, 0x11, sscape_pnp_read_codec( devc, 0x11) | 0xC0); sscape_pnp_write_codec( devc, 29, 0x20); } if (sscape_pnp_upload_file(devc, "/sndscape/scope.cod") == 0 ) { printk(KERN_ERR "sscape: faild to upload file /sndscape/scope.cod\n"); sscape_pnp_free_dma(devc); return; } i = sscape_read_host_ctrl( devc ); if ( (i & 0x0F) > 7 ) { printk(KERN_ERR "sscape: scope.cod faild\n"); sscape_pnp_free_dma(devc); return; } if ( i & 0x10 ) sscape_write( devc, 7, 0x2F); code_file_name[21] = (char) ( i & 0x0F) + 0x30; if (sscape_pnp_upload_file( devc, code_file_name) == 0) { printk(KERN_ERR "sscape: faild to upload file %s\n", code_file_name); sscape_pnp_free_dma(devc); return; } if (devc->ic_type != IC_ODIE) { sscape_pnp_write_codec( devc, 10, (sscape_pnp_read_codec(devc, 10) & 0x7f) | ( sscape_mic_enable == 0 ? 0x00 : 0x80) ); } sscape_write_host_ctrl2( devc, 0x84, 0x64 ); /* MIDI volume */ sscape_write_host_ctrl2( devc, 0x86, 0x64 ); /* MIDI volume?? */ sscape_write_host_ctrl2( devc, 0x8A, sscape_ext_midi); sscape_pnp_write_codec ( devc, 6, 0x3f ); //WAV_VOL sscape_pnp_write_codec ( devc, 7, 0x3f ); //WAV_VOL sscape_pnp_write_codec ( devc, 2, 0x1F ); //WD_CDXVOLL sscape_pnp_write_codec ( devc, 3, 0x1F ); //WD_CDXVOLR if (devc -> codec_type == 1) { sscape_pnp_write_codec ( devc, 4, 0x1F ); sscape_pnp_write_codec ( devc, 5, 0x1F ); sscape_write_host_ctrl2( devc, 0x88, sscape_mic_enable); } else { int t; sscape_pnp_write_codec ( devc, 0x10, 0x1F << 1); sscape_pnp_write_codec ( devc, 0x11, 0xC0 | (0x1F << 1)); t = sscape_pnp_read_codec( devc, 0x00) & 0xDF; if ( (sscape_mic_enable == 0)) t |= 0; else t |= 0x20; sscape_pnp_write_codec ( devc, 0x00, t); t = sscape_pnp_read_codec( devc, 0x01) & 0xDF; if ( (sscape_mic_enable == 0) ) t |= 0; else t |= 0x20; sscape_pnp_write_codec ( devc, 0x01, t); sscape_pnp_write_codec ( devc, 0x40 | 29 , 0x20); outb(0, devc -> codec); } if (devc -> ic_type == IC_OPUS ) { int i = sscape_read( devc, 9 ); sscape_write( devc, 9, i | 3 ); sscape_write( devc, 3, 0x40); if (request_region(0x228, 1, "sscape setup junk")) { outb(0, 0x228); release_region(0x228,1); } sscape_write( devc, 3, (devc -> dma << 4) | 0x80); sscape_write( devc, 9, i ); } host_close ( devc ); sscape_pnp_free_dma(devc); } static int __init detect_sscape_pnp(sscape_info* devc) { long i, irq_bits = 0xff; unsigned int d; DDB(printk("Entered detect_sscape_pnp(%x)\n", devc->base)); if (!request_region(devc->codec, 2, "sscape codec")) { printk(KERN_ERR "detect_sscape_pnp: port %x is not free\n", devc->codec); return 0; } if ((inb(devc->base + 2) & 0x78) != 0) goto fail; d = inb ( devc -> base + 4) & 0xF0; if (d & 0x80) goto fail; if (d == 0) { devc->codec_type = 1; devc->ic_type = IC_ODIE; } else if ( (d & 0x60) != 0) { devc->codec_type = 2; devc->ic_type = IC_OPUS; } else if ( (d & 0x40) != 0) { /* WTF? */ devc->codec_type = 2; devc->ic_type = IC_ODIE; } else goto fail; sscape_is_pnp = 1; outb(0xFA, devc -> base+4); if ((inb( devc -> base+4) & 0x9F) != 0x0A) goto fail; outb(0xFE, devc -> base+4); if ( (inb(devc -> base+4) & 0x9F) != 0x0E) goto fail; if ( (inb(devc -> base+5) & 0x9F) != 0x0E) goto fail; if (devc->codec_type == 2) { if (devc->codec != devc->base + 8) { printk("soundscape warning: incorrect codec port specified\n"); goto fail; } d = 0x10 | (sscape_read(devc, 9) & 0xCF); sscape_write(devc, 9, d); sscape_write(devc, 6, 0x80); } else { //todo: check codec is not base + 8 } d = (sscape_read(devc, 9) & 0x3F) | 0xC0; sscape_write(devc, 9, d); for (i = 0; i < 550000; i++) if ( !(inb(devc -> codec) & 0x80) ) break; d = inb(devc -> codec); if (d & 0x80) goto fail; if ( inb(devc -> codec + 2) == 0xFF) goto fail; sscape_write(devc, 9, sscape_read(devc, 9) & 0x3F ); d = inb(devc -> codec) & 0x80; if ( d == 0) { printk(KERN_INFO "soundscape: hardware detected\n"); valid_interrupts = valid_interrupts_new; } else { printk(KERN_INFO "soundscape: board looks like media fx\n"); valid_interrupts = valid_interrupts_old; old_hardware = 1; } sscape_write( devc, 9, 0xC0 | (sscape_read(devc, 9) & 0x3F) ); for (i = 0; i < 550000; i++) if ( !(inb(devc -> codec) & 0x80)) break; sscape_pnp_init_hw(devc); for (i = 0; i < 4; i++) { if (devc->codec_irq == valid_interrupts[i]) { irq_bits = i; break; } } sscape_write(devc, GA_INTENA_REG, 0x00); sscape_write(devc, GA_DMACFG_REG, 0x50); sscape_write(devc, GA_DMAA_REG, 0x70); sscape_write(devc, GA_DMAB_REG, 0x20); sscape_write(devc, GA_INTCFG_REG, 0xf0); sscape_write(devc, GA_CDCFG_REG, 0x89 | (devc->dma << 4) | (irq_bits << 1)); sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 0) | 0x20); sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 1) | 0x20); return 1; fail: release_region(devc->codec, 2); return 0; } static int __init probe_sscape(struct address_info *hw_config) { devc->base = hw_config->io_base; devc->irq = hw_config->irq; devc->dma = hw_config->dma; devc->osp = hw_config->osp; #ifdef SSCAPE_DEBUG1 /* * Temporary debugging aid. Print contents of the registers before * changing them. */ { int i; for (i = 0; i < 13; i++) printk("I%d = %02x (old value)\n", i, sscape_read(devc, i)); } #endif devc->failed = 1; sscape_ports = request_region(devc->base, 2, "mpu401"); if (!sscape_ports) return 0; if (!request_region(devc->base + 2, 6, "SoundScape")) { release_region(devc->base, 2); return 0; } if (!detect_ga(devc)) { if (detect_sscape_pnp(devc)) return 1; release_region(devc->base, 2); release_region(devc->base + 2, 6); return 0; } if (old_hardware) /* Check that it's really an old Spea/Reveal card. */ { unsigned char tmp; int cc; if (!((tmp = sscape_read(devc, GA_HMCTL_REG)) & 0xc0)) { sscape_write(devc, GA_HMCTL_REG, tmp | 0x80); for (cc = 0; cc < 200000; ++cc) inb(devc->base + ODIE_ADDR); } } return 1; } static int __init init_ss_ms_sound(struct address_info *hw_config) { int i, irq_bits = 0xff; int ad_flags = 0; struct resource *ports; if (devc->failed) { printk(KERN_ERR "soundscape: Card not detected\n"); return 0; } if (devc->ok == 0) { printk(KERN_ERR "soundscape: Invalid initialization order.\n"); return 0; } for (i = 0; i < 4; i++) { if (hw_config->irq == valid_interrupts[i]) { irq_bits = i; break; } } if (irq_bits == 0xff) { printk(KERN_ERR "soundscape: Invalid MSS IRQ%d\n", hw_config->irq); return 0; } if (old_hardware) ad_flags = 0x12345677; /* Tell that we may have a CS4248 chip (Spea-V7 Media FX) */ else if (sscape_is_pnp) ad_flags = 0x87654321; /* Tell that we have a soundscape pnp with 1845 chip */ ports = request_region(hw_config->io_base, 4, "ad1848"); if (!ports) { printk(KERN_ERR "soundscape: ports busy\n"); return 0; } if (!ad1848_detect(ports, &ad_flags, hw_config->osp)) { release_region(hw_config->io_base, 4); return 0; } if (!sscape_is_pnp) /*pnp is already setup*/ { /* * Setup the DMA polarity. */ sscape_write(devc, GA_DMACFG_REG, 0x50); /* * Take the gate-array off of the DMA channel. */ sscape_write(devc, GA_DMAB_REG, 0x20); /* * Init the AD1848 (CD-ROM) config reg. */ sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) | (irq_bits << 1)); } if (hw_config->irq == devc->irq) printk(KERN_WARNING "soundscape: Warning! The WSS mode can't share IRQ with MIDI\n"); hw_config->slots[0] = ad1848_init( sscape_is_pnp ? "SoundScape" : "SoundScape PNP", ports, hw_config->irq, hw_config->dma, hw_config->dma, 0, devc->osp, THIS_MODULE); if (hw_config->slots[0] != -1) /* The AD1848 driver installed itself */ { audio_devs[hw_config->slots[0]]->coproc = &sscape_coproc_operations; devc->codec_audiodev = hw_config->slots[0]; devc->my_audiodev = hw_config->slots[0]; /* Set proper routings here (what are they) */ AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE); } #ifdef SSCAPE_DEBUG5 /* * Temporary debugging aid. Print contents of the registers * after the AD1848 device has been initialized. */ { int i; for (i = 0; i < 13; i++) printk("I%d = %02x\n", i, sscape_read(devc, i)); } #endif return 1; } static void __exit unload_sscape(struct address_info *hw_config) { release_region(devc->base + 2, 6); unload_mpu401(hw_config); if (sscape_is_pnp) release_region(devc->codec, 2); } static void __exit unload_ss_ms_sound(struct address_info *hw_config) { ad1848_unload(hw_config->io_base, hw_config->irq, devc->dma, devc->dma, 0); sound_unload_audiodev(hw_config->slots[0]); } static struct address_info cfg; static struct address_info cfg_mpu; static int __initdata spea = -1; static int mss = 0; static int __initdata dma = -1; static int __initdata irq = -1; static int __initdata io = -1; static int __initdata mpu_irq = -1; static int __initdata mpu_io = -1; module_param(dma, int, 0); module_param(irq, int, 0); module_param(io, int, 0); module_param(spea, int, 0); /* spea=0/1 set the old_hardware */ module_param(mpu_irq, int, 0); module_param(mpu_io, int, 0); module_param(mss, int, 0); static int __init init_sscape(void) { printk(KERN_INFO "Soundscape driver Copyright (C) by Hannu Savolainen 1993-1996\n"); cfg.irq = irq; cfg.dma = dma; cfg.io_base = io; cfg_mpu.irq = mpu_irq; cfg_mpu.io_base = mpu_io; /* WEH - Try to get right dma channel */ cfg_mpu.dma = dma; devc->codec = cfg.io_base; devc->codec_irq = cfg.irq; devc->codec_type = 0; devc->ic_type = 0; devc->raw_buf = NULL; spin_lock_init(&devc->lock); if (cfg.dma == -1 || cfg.irq == -1 || cfg.io_base == -1) { printk(KERN_ERR "DMA, IRQ, and IO port must be specified.\n"); return -EINVAL; } if (cfg_mpu.irq == -1 && cfg_mpu.io_base != -1) { printk(KERN_ERR "MPU_IRQ must be specified if MPU_IO is set.\n"); return -EINVAL; } if(spea != -1) { old_hardware = spea; printk(KERN_INFO "Forcing %s hardware support.\n", spea?"new":"old"); } if (probe_sscape(&cfg_mpu) == 0) return -ENODEV; attach_sscape(&cfg_mpu); mss = init_ss_ms_sound(&cfg); return 0; } static void __exit cleanup_sscape(void) { if (mss) unload_ss_ms_sound(&cfg); unload_sscape(&cfg_mpu); } module_init(init_sscape); module_exit(cleanup_sscape); #ifndef MODULE static int __init setup_sscape(char *str) { /* io, irq, dma, mpu_io, mpu_irq */ int ints[6]; str = get_options(str, ARRAY_SIZE(ints), ints); io = ints[1]; irq = ints[2]; dma = ints[3]; mpu_io = ints[4]; mpu_irq = ints[5]; return 1; } __setup("sscape=", setup_sscape); #endif MODULE_LICENSE("GPL");