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-rw-r--r--sys/i386/isa/sound/sscape.c921
1 files changed, 0 insertions, 921 deletions
diff --git a/sys/i386/isa/sound/sscape.c b/sys/i386/isa/sound/sscape.c
deleted file mode 100644
index 6b73a91..0000000
--- a/sys/i386/isa/sound/sscape.c
+++ /dev/null
@@ -1,921 +0,0 @@
-/*
- * sound/sscape.c
- *
- * Low level driver for Ensoniq Soundscape
- *
- * Copyright by Hannu Savolainen 1994
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer. 2.
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <i386/isa/sound/sound_config.h>
-
-#if NSSCAPE > 0
-
-#include <i386/isa/sound/coproc.h>
-
-#define EXCLUDE_NATIVE_PCM
-
-/*
- * 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
-#define CMD_GET_CONTROL 0x89
-#define CTL_MASTER_VOL 0
-#define CTL_MIC_MODE 2
-#define CTL_SYNTH_VOL 4
-#define CTL_WAVE_VOL 7
-#define CMD_SET_MT32 0x96
-#define CMD_GET_MT32 0x97
-#define CMD_SET_EXTMIDI 0x9b
-#define CMD_GET_EXTMIDI 0x9c
-
-#define CMD_ACK 0x80
-
-typedef struct sscape_info {
- int base, irq, dma;
- int ok; /* Properly detected */
- int failed;
- int dma_allocated;
- int my_audiodev;
- int opened;
- sound_os_info *osp;
-}
-
- sscape_info;
-static struct sscape_info dev_info =
-{0};
-static struct sscape_info *devc = &dev_info;
-
-static int *sscape_sleeper = NULL;
-static volatile struct snd_wait sscape_sleep_flag =
-{0};
-
-/* 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;
-
-#ifdef REVEAL_SPEA
-static char old_hardware = 1;
-
-#else
-static char old_hardware = 0;
-
-#endif
-
-static u_char
-sscape_read(struct sscape_info * devc, int reg)
-{
- u_long flags;
- u_char val;
-
- flags = splhigh();
- outb(PORT(ODIE_ADDR), reg);
- val = inb(PORT(ODIE_DATA));
- splx(flags);
- return val;
-}
-
-static void
-sscape_write(struct sscape_info * devc, int reg, int data)
-{
- u_long flags;
-
- flags = splhigh();
- outb(PORT(ODIE_ADDR), reg);
- outb(PORT(ODIE_DATA), data);
- splx(flags);
-}
-
-static void
-host_open(struct sscape_info * devc)
-{
- outb(PORT(HOST_CTRL), 0x00); /* Put the board to the host mode */
-}
-
-static void
-host_close(struct sscape_info * devc)
-{
- outb(PORT(HOST_CTRL), 0x03); /* Put the board to the MIDI mode */
-}
-
-static int
-host_write(struct sscape_info * devc, u_char *data, int count)
-{
- u_long flags;
- int i, timeout_val;
-
- flags = splhigh();
-
- /*
- * 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) {
- splx(flags);
- return 0;
- }
- outb(PORT(HOST_DATA), data[i]);
- }
-
-
- splx(flags);
-
- return 1;
-}
-
-static int
-host_read(struct sscape_info * devc)
-{
- u_long flags;
- int timeout_val;
- u_char data;
-
- flags = splhigh();
-
- /*
- * Read a byte
- */
-
- for (timeout_val = 10000; timeout_val > 0; timeout_val--)
- if (inb(PORT(HOST_CTRL)) & RX_READY)
- break;
-
- if (timeout_val <= 0) {
- splx(flags);
- return -1;
- }
- data = inb(PORT(HOST_DATA));
-
- splx(flags);
-
- return data;
-}
-
-static int
-host_command1(struct sscape_info * devc, int cmd)
-{
- u_char buf[10];
-
- buf[0] = (u_char) (cmd & 0xff);
-
- return host_write(devc, buf, 1);
-}
-
-static int
-host_command2(struct sscape_info * devc, int cmd, int parm1)
-{
- u_char buf[10];
-
- buf[0] = (u_char) (cmd & 0xff);
- buf[1] = (u_char) (parm1 & 0xff);
-
- return host_write(devc, buf, 2);
-}
-
-static int
-host_command3(struct sscape_info * devc, int cmd, int parm1, int parm2)
-{
- u_char buf[10];
-
- buf[0] = (u_char) (cmd & 0xff);
- buf[1] = (u_char) (parm1 & 0xff);
- buf[2] = (u_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) {
- printf("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) {
- printf("SNDSCAPE: Setting control (%d) failed\n", ctrl);
- }
- host_close(devc);
-}
-
-static int
-get_board_type(struct sscape_info * devc)
-{
- int tmp;
-
- host_open(devc);
- if (!host_command1(devc, CMD_GET_BOARD_TYPE))
- tmp = -1;
- else
- tmp = host_read(devc);
- host_close(devc);
- return tmp;
-}
-
-void
-sscapeintr(int irq)
-{
- u_char bits, tmp;
-
- bits = sscape_read(devc, GA_INTSTAT_REG);
- DEB(printf("sscapeintr(0x%02x)\n", bits));
- if ((sscape_sleep_flag.mode & WK_SLEEP)) {
- sscape_sleep_flag.mode = WK_WAKEUP;
- wakeup(sscape_sleeper);
- }
- if (bits & 0x02) { /* Host interface interrupt */
- printf("SSCAPE: Host interrupt, data=%02x\n", host_read(devc));
- }
-#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
- if (bits & 0x01) {
- static int debug = 0;
-
- mpuintr(irq);
- if (debug++ > 10) { /* Temporary debugging hack */
- sscape_write(devc, GA_INTENA_REG, 0x00); /* Disable all interr. */
- }
- }
-#endif
-
- /*
- * Acknowledge interrupts (toggle the interrupt bits)
- */
-
- tmp = sscape_read(devc, GA_INTENA_REG);
- sscape_write(devc, GA_INTENA_REG, (~bits & 0x0e) | (tmp & 0xf1));
-}
-
-
-static void
-do_dma(struct sscape_info * devc, int dma_chan, u_long buf, int blk_size, int mode)
-{
- u_char temp;
-
- if (dma_chan != SSCAPE_DMA_A) {
- printf("SSCAPE: Tried to use DMA channel != A. Why?\n");
- return;
- }
- DMAbuf_start_dma(devc->my_audiodev, buf, blk_size, mode);
-
- 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;
- }
-
- printf("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);
- }
- sscape_sleep_flag.aborting = 0;
- sscape_sleep_flag.mode = WK_NONE;
- return 0;
-}
-
-static void
-sscape_coproc_close(void *dev_info, int sub_device)
-{
- struct sscape_info *devc = dev_info;
- u_long flags;
-
- flags = splhigh();
- if (devc->dma_allocated) {
- sscape_write(devc, GA_DMAA_REG, 0x20); /* DMA channel disabled */
-#ifdef CONFIG_NATIVE_PCM
-#endif
- devc->dma_allocated = 0;
- }
- sscape_sleep_flag.aborting = 0;
- sscape_sleep_flag.mode = WK_NONE;
- splx(flags);
-
- return;
-}
-
-static void
-sscape_coproc_reset(void *dev_info)
-{
-}
-
-static int
-sscape_download_boot(struct sscape_info * devc, u_char *block, int size, int flag)
-{
- u_long flags;
- u_char temp;
- int done, timeout_val;
-
- if (flag & CPF_FIRST) {
- /*
- * First block. Have to allocate DMA and to reset the board
- * before continuing.
- */
-
- flags = splhigh();
- if (devc->dma_allocated == 0) {
- devc->dma_allocated = 1;
- }
- splx(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
- */
- bcopy(block, audio_devs[devc->my_audiodev]->dmap_out->raw_buf, size);
-
- flags = splhigh();
- /******** INTERRUPTS DISABLED NOW ********/
- do_dma(devc, SSCAPE_DMA_A,
- audio_devs[devc->my_audiodev]->dmap_out->raw_buf_phys,
- size, 1);
-
- /*
- * Wait until transfer completes.
- */
- sscape_sleep_flag.aborting = 0;
- sscape_sleep_flag.mode = WK_NONE;
- done = 0;
- timeout_val = 100;
- while (!done && timeout_val-- > 0) {
- int chn;
- sscape_sleeper = &chn;
- DO_SLEEP(chn, sscape_sleep_flag, 1);
-
- done = 1;
- }
-
- splx(flags);
- if (!done)
- return 0;
-
- if (flag & CPF_LAST) {
- /*
- * Take the board out of reset
- */
- outb(PORT(HOST_CTRL), 0x00);
- outb(PORT(MIDI_CTRL), 0x00);
-
- 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
- */
-
- flags = splhigh();
- done = 0;
- timeout_val = 5 * hz;
- while (!done && timeout_val-- > 0) {
- int chn;
-
- sscape_sleeper = &chn;
- DO_SLEEP(chn, sscape_sleep_flag, 1);
-
- if (inb(PORT(HOST_DATA)) == 0xff) /* OBP startup acknowledge */
- done = 1;
- }
- splx(flags);
- if (!done) {
- printf("SoundScape: The OBP didn't respond after code download\n");
- return 0;
- }
- flags = splhigh();
- done = 0;
- timeout_val = 5 * hz;
- while (!done && timeout_val-- > 0) {
- int chn;
-
- sscape_sleeper = &chn;
- DO_SLEEP(chn, sscape_sleep_flag, 1);
-
- if (inb(PORT(HOST_DATA)) == 0xfe) /* Host startup acknowledge */
- done = 1;
- }
- splx(flags);
- if (!done) {
- printf("SoundScape: OBP Initialization failed.\n");
- return 0;
- }
- printf("SoundScape board of type %d initialized OK\n",
- get_board_type(devc));
-
- 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++)
- printf("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)) {
- printf("SSCAPE: Unable to load microcode block to the OBP.\n");
- return -(EIO);
- }
- return 0;
-}
-
-static int
-sscape_coproc_ioctl(void *dev_info, u_int cmd, ioctl_arg arg, int local)
-{
-
- switch (cmd) {
- case SNDCTL_COPR_RESET:
- sscape_coproc_reset(dev_info);
- return 0;
- break;
-
- case SNDCTL_COPR_LOAD:
- {
- copr_buffer *buf;
- int err;
-
- buf = (copr_buffer *) malloc(sizeof(copr_buffer), M_TEMP, M_WAITOK);
- if (buf == NULL)
- return -(ENOSPC);
- bcopy(&(((char *) arg)[0]), (char *) buf, sizeof(*buf));
- err = download_boot_block(dev_info, buf);
- free(buf, M_TEMP);
- return err;
- }
- break;
-
- default:
- return -(EINVAL);
- }
-
-}
-
-static coproc_operations sscape_coproc_operations =
-{
- "SoundScape M68K",
- sscape_coproc_open,
- sscape_coproc_close,
- sscape_coproc_ioctl,
- sscape_coproc_reset,
- &dev_info
-};
-
-#if !defined(EXCLUDE_NATIVE_PCM) && defined(CONFIG_AUDIO)
-static struct audio_operations sscape_audio_operations =
-{
- "Not functional",
- 0,
- AFMT_U8 | AFMT_S16_LE,
- NULL,
- sscape_audio_open,
- sscape_audio_close,
- sscape_audio_output_block,
- sscape_audio_start_input,
- sscape_audio_ioctl,
- sscape_audio_prepare_for_input,
- sscape_audio_prepare_for_output,
- sscape_audio_reset,
- sscape_audio_halt,
- NULL,
- NULL
-};
-#endif /* !defined(EXCLUDE_NATIVE_PCM) && defined(CONFIG_AUDIO) */
-
-static int sscape_detected = 0;
-
-void
-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, \
- 0xf0, /* Note! Ignored. Set always to 0xf0 */ \
- 0x20, /* Note! Ignored. Set always to 0x20 */ \
- 0x20, /* Note! Ignored. Set always to 0x20 */ \
- 0xf5, /* Ignored */ \
- 0x10, \
- 0x00, \
- 0x2e, /* I7 MEM config A. Likely to vary between models */ \
- 0x00, /* I8 MEM config B. Likely to vary between models */ \
-/* I9 */ 0x40 /* Ignored */ \
- }
-#endif
-
- u_long flags;
- static u_char regs[10] = SSCAPE_REGS;
-
- int i, irq_bits = 0xff;
-
- if (sscape_detected != hw_config->io_base)
- return;
-
- 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 < sizeof(valid_interrupts); i++)
- if (hw_config->irq == valid_interrupts[i]) {
- irq_bits = i;
- break;
- }
- if (hw_config->irq > 15 || (regs[4] = irq_bits == 0xff)) {
- printf("Invalid IRQ%d\n", hw_config->irq);
- return;
- }
- flags = splhigh();
-
- for (i = 1; i < 10; i++)
- switch (i) {
- case 1: /* Host interrupt enable */
- sscape_write(devc, i, 0xf0); /* All interrupts enabled */
- break;
-
- case 2: /* DMA A status/trigger register */
- case 3: /* DMA B status/trigger register */
- sscape_write(devc, i, 0x20); /* DMA channel disabled */
- break;
-
- case 4: /* Host interrupt config reg */
- sscape_write(devc, i, 0xf0 | (irq_bits << 2) | irq_bits);
- break;
-
- case 5: /* Don't destroy CD-ROM DMA config bits (0xc0) */
- sscape_write(devc, i, (regs[i] & 0x3f) |
- (sscape_read(devc, i) & 0xc0));
- break;
-
- case 6: /* CD-ROM config. Don't touch. */
- break;
-
- case 9: /* Master control reg. Don't modify CR-ROM
- * bits. Disable SB emul */
- sscape_write(devc, i, (sscape_read(devc, i) & 0xf0) | 0x00);
- break;
-
- default:
- sscape_write(devc, i, regs[i]);
- }
-
- splx(flags);
-
-#ifdef SSCAPE_DEBUG2
- /*
- * Temporary debugging aid. Print contents of the registers after
- * changing them.
- */
- {
- int i;
-
- for (i = 0; i < 13; i++)
- printf("I%d = %02x (new value)\n", i, sscape_read(devc, i));
- }
-#endif
-
-#if defined(CONFIG_MIDI) && defined(CONFIG_MPU_EMU)
- if (probe_mpu401(hw_config))
- hw_config->always_detect = 1;
- {
- int prev_devs;
-
- prev_devs = num_midis;
- attach_mpu401(hw_config);
-
- if (num_midis == (prev_devs + 1)) /* The MPU driver
- * installed itself */
- midi_devs[prev_devs]->coproc = &sscape_coproc_operations;
- }
-#endif
-
-#ifndef EXCLUDE_NATIVE_PCM
- /* Not supported yet */
-
-#ifdef CONFIG_AUDIO
- if (num_audiodevs < MAX_AUDIO_DEV) {
- int my_dev;
-
- audio_devs[my_dev = num_audiodevs++] = &sscape_audio_operations;
- audio_devs[my_dev]->dmachan1 = hw_config->dma;
- audio_devs[my_dev]->buffsize = DSP_BUFFSIZE;
- audio_devs[my_dev]->devc = devc;
- devc->my_audiodev = my_dev;
- devc->opened = 0;
- audio_devs[my_dev]->coproc = &sscape_coproc_operations;
- if (snd_set_irq_handler(hw_config->irq, sscapeintr, devc->osp) < 0)
- printf("Error: Can't allocate IRQ for SoundScape\n");
- sscape_write(devc, GA_INTENA_REG, 0x80); /* Master IRQ enable */
- } else
- printf("SoundScape: More than enough audio devices detected\n");
-#endif
-#endif
- devc->ok = 1;
- devc->failed = 0;
- return;
-}
-
-int
-probe_sscape(struct address_info * hw_config)
-{
- u_char save;
-
- devc->failed = 1;
- devc->base = hw_config->io_base;
- devc->irq = hw_config->irq;
- devc->dma = hw_config->dma;
- devc->osp = hw_config->osp;
-
- if (sscape_detected != 0 && sscape_detected != hw_config->io_base)
- return 0;
-
- /*
- * First check that the address register of "ODIE" is there and that
- * it has exactly 4 writeable bits. First 4 bits
- */
- if ((save = inb(PORT(ODIE_ADDR))) & 0xf0)
- return 0;
-
- outb(PORT(ODIE_ADDR), 0x00);
- if (inb(PORT(ODIE_ADDR)) != 0x00)
- return 0;
-
- outb(PORT(ODIE_ADDR), 0xff);
- if (inb(PORT(ODIE_ADDR)) != 0x0f)
- return 0;
-
- outb(PORT(ODIE_ADDR), save);
-
- /*
- * 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)
- return 0;
-
- if (sscape_read(devc, 1) & 0x0f)
- return 0;
-
- if (sscape_read(devc, 5) & 0x0f)
- return 0;
-
-#ifdef SSCAPE_DEBUG1
- /*
- * Temporary debugging aid. Print contents of the registers before
- * changing them.
- */
- {
- int i;
-
- for (i = 0; i < 13; i++)
- printf("I%d = %02x (old value)\n", i, sscape_read(devc, i));
- }
-#endif
-
- if (old_hardware) { /* Check that it's really an old Spea/Reveal card. */
- u_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);
- } else
- old_hardware = 0;
- }
- if (0) {
- printf("sscape.c: Can't allocate DMA channel\n");
- return 0;
- }
- sscape_detected = hw_config->io_base;
-
- return 1;
-}
-
-int
-probe_ss_mss(struct address_info * hw_config)
-{
- int i, irq_bits = 0xff;
-
- if (devc->failed)
- return 0;
-
- if (devc->ok == 0) {
- printf("SoundScape: Invalid initialization order.\n");
- return 0;
- }
- for (i = 0; i < sizeof(valid_interrupts); i++)
- if (hw_config->irq == valid_interrupts[i]) {
- irq_bits = i;
- break;
- }
- if (hw_config->irq > 15 || irq_bits == 0xff) {
- printf("SoundScape: Invalid MSS IRQ%d\n", hw_config->irq);
- return 0;
- }
- return ad1848_detect(hw_config->io_base, NULL, hw_config->osp);
-}
-
-void
-attach_ss_mss(struct address_info * hw_config)
-{
- /*
- * This routine configures the SoundScape card for use with the Win
- * Sound System driver. The AD1848 codec interface uses the CD-ROM
- * config registers of the "ODIE".
- */
-
- int i, irq_bits = 0xff;
-
-#ifndef CONFIG_NATIVE_PCM
- int prev_devs = num_audiodevs;
-#endif
-
- /*
- * Setup the DMA polarity.
- */
- sscape_write(devc, GA_DMACFG_REG, 0x50);
-
- /*
- * Take the gate-arry off of the DMA channel.
- */
- sscape_write(devc, GA_DMAB_REG, 0x20);
-
- /*
- * Init the AD1848 (CD-ROM) config reg.
- */
-
- for (i = 0; i < sizeof(valid_interrupts); i++)
- if (hw_config->irq == valid_interrupts[i]) {
- irq_bits = i;
- break;
- }
- sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) |
- (irq_bits << 1));
-
- if (hw_config->irq == devc->irq)
- printf("SoundScape: Warning! WSS mode can't share IRQ with MIDI\n");
-
- ad1848_init("SoundScape", hw_config->io_base,
- hw_config->irq,
- hw_config->dma,
- hw_config->dma,
- 0,
- devc->osp);
-
-#ifndef CONFIG_NATIVE_PCM
- /* Check if the AD1848 driver installed itself */
- if (num_audiodevs == (prev_devs + 1))
- audio_devs[prev_devs]->coproc = &sscape_coproc_operations;
-#endif
-
- return;
-}
-
-#endif
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