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-rw-r--r--sound/isa/gus/gusmax.c344
1 files changed, 344 insertions, 0 deletions
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
new file mode 100644
index 0000000000..6834c05600
--- /dev/null
+++ b/sound/isa/gus/gusmax.c
@@ -0,0 +1,344 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver for Gravis UltraSound MAX soundcard
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+#include <linux/module.h>
+#include <asm/dma.h>
+#include <sound/core.h>
+#include <sound/gus.h>
+#include <sound/wss.h>
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Gravis UltraSound MAX");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
+static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
+static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
+static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
+ /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
+static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
+static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
+module_param_hw_array(port, long, ioport, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
+module_param_hw_array(irq, int, irq, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
+module_param_hw_array(dma1, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
+module_param_hw_array(dma2, int, dma, NULL, 0444);
+MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
+module_param_array(joystick_dac, int, NULL, 0444);
+MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
+module_param_array(channels, int, NULL, 0444);
+MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
+module_param_array(pcm_channels, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
+
+struct snd_gusmax {
+ int irq;
+ struct snd_card *card;
+ struct snd_gus_card *gus;
+ struct snd_wss *wss;
+ unsigned short gus_status_reg;
+ unsigned short pcm_status_reg;
+};
+
+#define PFX "gusmax: "
+
+static int snd_gusmax_detect(struct snd_gus_card *gus)
+{
+ unsigned char d;
+
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 0) {
+ snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+ udelay(160);
+ snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
+ udelay(160);
+ d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET);
+ if ((d & 0x07) != 1) {
+ snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
+{
+ struct snd_gusmax *maxcard = dev_id;
+ int loop, max = 5;
+ int handled = 0;
+
+ do {
+ loop = 0;
+ if (inb(maxcard->gus_status_reg)) {
+ handled = 1;
+ snd_gus_interrupt(irq, maxcard->gus);
+ loop++;
+ }
+ if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
+ handled = 1;
+ snd_wss_interrupt(irq, maxcard->wss);
+ loop++;
+ }
+ } while (loop && --max > 0);
+ return IRQ_RETVAL(handled);
+}
+
+static void snd_gusmax_init(int dev, struct snd_card *card,
+ struct snd_gus_card *gus)
+{
+ gus->equal_irq = 1;
+ gus->codec_flag = 1;
+ gus->joystick_dac = joystick_dac[dev];
+ /* init control register */
+ gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
+ if (gus->gf1.dma1 > 3)
+ gus->max_cntrl_val |= 0x10;
+ if (gus->gf1.dma2 > 3)
+ gus->max_cntrl_val |= 0x20;
+ gus->max_cntrl_val |= 0x40;
+ outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
+}
+
+static int snd_gusmax_mixer(struct snd_wss *chip)
+{
+ struct snd_card *card = chip->card;
+ struct snd_ctl_elem_id id1, id2;
+ int err;
+
+ memset(&id1, 0, sizeof(id1));
+ memset(&id2, 0, sizeof(id2));
+ id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ /* reassign AUXA to SYNTHESIZER */
+ strcpy(id1.name, "Aux Playback Switch");
+ strcpy(id2.name, "Synth Playback Switch");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "Synth Playback Volume");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ /* reassign AUXB to CD */
+ strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
+ strcpy(id2.name, "CD Playback Switch");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+ strcpy(id1.name, "Aux Playback Volume");
+ strcpy(id2.name, "CD Playback Volume");
+ err = snd_ctl_rename_id(card, &id1, &id2);
+ if (err < 0)
+ return err;
+#if 0
+ /* reassign Mono Input to MIC */
+ if (snd_mixer_group_rename(mixer,
+ SNDRV_MIXER_IN_MONO, 0,
+ SNDRV_MIXER_IN_MIC, 0) < 0)
+ goto __error;
+ if (snd_mixer_elem_rename(mixer,
+ SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
+ SNDRV_MIXER_IN_MIC, 0) < 0)
+ goto __error;
+ if (snd_mixer_elem_rename(mixer,
+ "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
+ "Mic Capture Volume", 0) < 0)
+ goto __error;
+ if (snd_mixer_elem_rename(mixer,
+ "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
+ "Mic Capture Switch", 0) < 0)
+ goto __error;
+#endif
+ return 0;
+}
+
+static int snd_gusmax_match(struct device *pdev, unsigned int dev)
+{
+ return enable[dev];
+}
+
+static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
+{
+ static const int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
+ static const int possible_dmas[] = {5, 6, 7, 1, 3, -1};
+ int xirq, xdma1, xdma2, err;
+ struct snd_card *card;
+ struct snd_gus_card *gus = NULL;
+ struct snd_wss *wss;
+ struct snd_gusmax *maxcard;
+
+ err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_gusmax), &card);
+ if (err < 0)
+ return err;
+ maxcard = card->private_data;
+ maxcard->card = card;
+ maxcard->irq = -1;
+
+ xirq = irq[dev];
+ if (xirq == SNDRV_AUTO_IRQ) {
+ xirq = snd_legacy_find_free_irq(possible_irqs);
+ if (xirq < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+ return -EBUSY;
+ }
+ }
+ xdma1 = dma1[dev];
+ if (xdma1 == SNDRV_AUTO_DMA) {
+ xdma1 = snd_legacy_find_free_dma(possible_dmas);
+ if (xdma1 < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
+ return -EBUSY;
+ }
+ }
+ xdma2 = dma2[dev];
+ if (xdma2 == SNDRV_AUTO_DMA) {
+ xdma2 = snd_legacy_find_free_dma(possible_dmas);
+ if (xdma2 < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
+ return -EBUSY;
+ }
+ }
+
+ if (port[dev] != SNDRV_AUTO_PORT) {
+ err = snd_gus_create(card,
+ port[dev],
+ -xirq, xdma1, xdma2,
+ 0, channels[dev],
+ pcm_channels[dev],
+ 0, &gus);
+ } else {
+ static const unsigned long possible_ports[] = {
+ 0x220, 0x230, 0x240, 0x250, 0x260
+ };
+ int i;
+ for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+ err = snd_gus_create(card,
+ possible_ports[i],
+ -xirq, xdma1, xdma2,
+ 0, channels[dev],
+ pcm_channels[dev],
+ 0, &gus);
+ if (err >= 0) {
+ port[dev] = possible_ports[i];
+ break;
+ }
+ }
+ }
+ if (err < 0)
+ return err;
+
+ err = snd_gusmax_detect(gus);
+ if (err < 0)
+ return err;
+
+ maxcard->gus_status_reg = gus->gf1.reg_irqstat;
+ maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
+ snd_gusmax_init(dev, card, gus);
+ err = snd_gus_initialize(gus);
+ if (err < 0)
+ return err;
+
+ if (!gus->max_flag) {
+ snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
+ return -ENODEV;
+ }
+
+ if (devm_request_irq(card->dev, xirq, snd_gusmax_interrupt, 0,
+ "GUS MAX", (void *)maxcard)) {
+ snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
+ return -EBUSY;
+ }
+ maxcard->irq = xirq;
+ card->sync_irq = maxcard->irq;
+
+ err = snd_wss_create(card,
+ gus->gf1.port + 0x10c, -1, xirq,
+ xdma2 < 0 ? xdma1 : xdma2, xdma1,
+ WSS_HW_DETECT,
+ WSS_HWSHARE_IRQ |
+ WSS_HWSHARE_DMA1 |
+ WSS_HWSHARE_DMA2,
+ &wss);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_pcm(wss, 0);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_mixer(wss);
+ if (err < 0)
+ return err;
+
+ err = snd_wss_timer(wss, 2);
+ if (err < 0)
+ return err;
+
+ if (pcm_channels[dev] > 0) {
+ err = snd_gf1_pcm_new(gus, 1, 1);
+ if (err < 0)
+ return err;
+ }
+ err = snd_gusmax_mixer(wss);
+ if (err < 0)
+ return err;
+
+ err = snd_gf1_rawmidi_new(gus, 0);
+ if (err < 0)
+ return err;
+
+ sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
+ if (xdma2 >= 0)
+ sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
+
+ err = snd_card_register(card);
+ if (err < 0)
+ return err;
+
+ maxcard->gus = gus;
+ maxcard->wss = wss;
+
+ dev_set_drvdata(pdev, card);
+ return 0;
+}
+
+#define DEV_NAME "gusmax"
+
+static struct isa_driver snd_gusmax_driver = {
+ .match = snd_gusmax_match,
+ .probe = snd_gusmax_probe,
+ /* FIXME: suspend/resume */
+ .driver = {
+ .name = DEV_NAME
+ },
+};
+
+module_isa_driver(snd_gusmax_driver, SNDRV_CARDS);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 11:28:55 +0000