6 files changed, 510 insertions, 16 deletions

diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig
index 194af3b01e13..755a0a5f0e3f 100644
--- a/sound/isa/Kconfig
+++ b/sound/isa/Kconfig
@@ -239,6 +239,22 @@ config SND_INTERWAVE_STB
           To compile this driver as a module, choose M here: the module
           will be called snd-interwave-stb.
 
+config SND_JAZZ16
+        tristate "Media Vision Jazz16 card and compatibles"
+        select SND_OPL3_LIB
+        select SND_MPU401_UART
+        select SND_SB8_DSP
+        help
+          Say Y here to include support for soundcards based on the
+          Media Vision Jazz16 chipset: digital chip MVD1216 (Jazz16),
+          codec MVA416 (CS4216) and mixer MVA514 (ICS2514).
+          Media Vision's Jazz16 cards were sold under names Pro Sonic 16,
+          Premium 3-D and Pro 3-D. There were also OEMs cards with the
+          Jazz16 chipset.
+
+          To compile this driver as a module, choose M here: the module
+          will be called snd-jazz16.
+
 config SND_OPL3SA2
         tristate "Yamaha OPL3-SA2/SA3"
         select SND_OPL3_LIB
diff --git a/sound/isa/sb/Makefile b/sound/isa/sb/Makefile
index faeffceb01b7..af3669681788 100644
--- a/sound/isa/sb/Makefile
+++ b/sound/isa/sb/Makefile
@@ -12,6 +12,7 @@ snd-sb16-objs := sb16.o
 snd-sbawe-objs := sbawe.o emu8000.o
 snd-emu8000-synth-objs := emu8000_synth.o emu8000_callback.o emu8000_patch.o emu8000_pcm.o
 snd-es968-objs := es968.o
+snd-jazz16-objs := jazz16.o
 
 # Toplevel Module Dependency
 obj-$(CONFIG_SND_SB_COMMON) += snd-sb-common.o
@@ -21,6 +22,7 @@ obj-$(CONFIG_SND_SB8) += snd-sb8.o
 obj-$(CONFIG_SND_SB16) += snd-sb16.o
 obj-$(CONFIG_SND_SBAWE) += snd-sbawe.o
 obj-$(CONFIG_SND_ES968) += snd-es968.o
+obj-$(CONFIG_SND_JAZZ16) += snd-jazz16.o
 ifeq ($(CONFIG_SND_SB16_CSP),y)
   obj-$(CONFIG_SND_SB16) += snd-sb16-csp.o
   obj-$(CONFIG_SND_SBAWE) += snd-sb16-csp.o
diff --git a/sound/isa/sb/jazz16.c b/sound/isa/sb/jazz16.c
new file mode 100644
index 000000000000..d52966b75846
--- /dev/null
+++ b/sound/isa/sb/jazz16.c
@@ -0,0 +1,385 @@
+
+/*
+ * jazz16.c - driver for Media Vision Jazz16 based soundcards.
+ * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
+ * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
+ * Based on OSS Sound Blaster driver.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <asm/dma.h>
+#include <linux/isa.h>
+#include <sound/core.h>
+#include <sound/mpu401.h>
+#include <sound/opl3.h>
+#include <sound/sb.h>
+#define SNDRV_LEGACY_FIND_FREE_IRQ
+#define SNDRV_LEGACY_FIND_FREE_DMA
+#include <sound/initval.h>
+
+#define PFX "jazz16: "
+
+MODULE_DESCRIPTION("Media Vision Jazz16");
+MODULE_SUPPORTED_DEVICE("{{Media Vision ??? },"
+                "{RTL,RTL3000}}");
+
+MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
+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 int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
+static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
+static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
+static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
+module_param_array(port, long, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
+module_param_array(mpu_port, long, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
+module_param_array(irq, int, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
+module_param_array(mpu_irq, int, NULL, 0444);
+MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
+module_param_array(dma8, int, NULL, 0444);
+MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
+module_param_array(dma16, int, NULL, 0444);
+MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");
+
+#define SB_JAZZ16_WAKEUP        0xaf
+#define SB_JAZZ16_SET_PORTS     0x50
+#define SB_DSP_GET_JAZZ_BRD_REV 0xfa
+#define SB_JAZZ16_SET_DMAINTR   0xfb
+#define SB_DSP_GET_JAZZ_MODEL   0xfe
+
+struct snd_card_jazz16 {
+        struct snd_sb *chip;
+};
+
+static irqreturn_t jazz16_interrupt(int irq, void *chip)
+{
+        return snd_sb8dsp_interrupt(chip);
+}
+
+static int __devinit jazz16_configure_ports(unsigned long port,
+                                            unsigned long mpu_port, int idx)
+{
+        unsigned char val;
+
+        if (!request_region(0x201, 1, "jazz16 config")) {
+                snd_printk(KERN_ERR "config port region is already in use.\n");
+                return -EBUSY;
+        }
+        outb(SB_JAZZ16_WAKEUP - idx, 0x201);
+        udelay(100);
+        outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
+        udelay(100);
+        val = port & 0x70;
+        val |= (mpu_port & 0x30) >> 4;
+        outb(val, 0x201);
+
+        release_region(0x201, 1);
+        return 0;
+}
+
+static int __devinit jazz16_detect_board(unsigned long port,
+                                         unsigned long mpu_port)
+{
+        int err;
+        int val;
+        struct snd_sb chip;
+
+        if (!request_region(port, 0x10, "jazz16")) {
+                snd_printk(KERN_ERR "I/O port region is already in use.\n");
+                return -EBUSY;
+        }
+        /* just to call snd_sbdsp_command/reset/get_byte() */
+        chip.port = port;
+
+        err = snd_sbdsp_reset(&chip);
+        if (err < 0)
+                for (val = 0; val < 4; val++) {
+                        err = jazz16_configure_ports(port, mpu_port, val);
+                        if (err < 0)
+                                break;
+
+                        err = snd_sbdsp_reset(&chip);
+                        if (!err)
+                                break;
+                }
+        if (err < 0) {
+                err = -ENODEV;
+                goto err_unmap;
+        }
+        if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
+                err = -EBUSY;
+                goto err_unmap;
+        }
+        val = snd_sbdsp_get_byte(&chip);
+        if (val >= 0x30)
+                snd_sbdsp_get_byte(&chip);
+
+        if ((val & 0xf0) != 0x10) {
+                err = -ENODEV;
+                goto err_unmap;
+        }
+        if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
+                err = -EBUSY;
+                goto err_unmap;
+        }
+        snd_sbdsp_get_byte(&chip);
+        err = snd_sbdsp_get_byte(&chip);
+        snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
+                   val, err);
+
+        err = 0;
+
+err_unmap:
+        release_region(port, 0x10);
+        return err;
+}
+
+static int __devinit jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
+{
+        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 };
+
+        if (jazz_dma_bits[chip->dma8] == 0 ||
+            jazz_dma_bits[chip->dma16] == 0 ||
+            jazz_irq_bits[chip->irq] == 0)
+                return -EINVAL;
+
+        if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
+                return -EBUSY;
+
+        if (!snd_sbdsp_command(chip,
+                               jazz_dma_bits[chip->dma8] |
+                               (jazz_dma_bits[chip->dma16] << 4)))
+                return -EBUSY;
+
+        if (!snd_sbdsp_command(chip,
+                               jazz_irq_bits[chip->irq] |
+                               (jazz_irq_bits[mpu_irq] << 4)))
+                return -EBUSY;
+
+        return 0;
+}
+
+static int __devinit snd_jazz16_match(struct device *devptr, unsigned int dev)
+{
+        if (!enable[dev])
+                return 0;
+        if (port[dev] == SNDRV_AUTO_PORT) {
+                snd_printk(KERN_ERR "please specify port\n");
+                return 0;
+        }
+        if (dma16[dev] != SNDRV_AUTO_DMA &&
+            dma16[dev] != 5 && dma16[dev] != 7) {
+                snd_printk(KERN_ERR "dma16 must be 5 or 7");
+                return 0;
+        }
+        return 1;
+}
+
+static int __devinit snd_jazz16_probe(struct device *devptr, unsigned int dev)
+{
+        struct snd_card *card;
+        struct snd_card_jazz16 *jazz16;
+        struct snd_sb *chip;
+        struct snd_opl3 *opl3;
+        static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
+        static int possible_dmas8[] = {1, 3, -1};
+        static int possible_dmas16[] = {5, 7, -1};
+        int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
+
+        err = snd_card_create(index[dev], id[dev], THIS_MODULE,
+                              sizeof(struct snd_card_jazz16), &card);
+        if (err < 0)
+                return err;
+
+        jazz16 = card->private_data;
+
+        xirq = irq[dev];
+        if (xirq == SNDRV_AUTO_IRQ) {
+                xirq = snd_legacy_find_free_irq(possible_irqs);
+                if (xirq < 0) {
+                        snd_printk(KERN_ERR "unable to find a free IRQ\n");
+                        err = -EBUSY;
+                        goto err_free;
+                }
+        }
+        xdma8 = dma8[dev];
+        if (xdma8 == SNDRV_AUTO_DMA) {
+                xdma8 = snd_legacy_find_free_dma(possible_dmas8);
+                if (xdma8 < 0) {
+                        snd_printk(KERN_ERR "unable to find a free DMA8\n");
+                        err = -EBUSY;
+                        goto err_free;
+                }
+        }
+        xdma16 = dma16[dev];
+        if (xdma16 == SNDRV_AUTO_DMA) {
+                xdma16 = snd_legacy_find_free_dma(possible_dmas16);
+                if (xdma16 < 0) {
+                        snd_printk(KERN_ERR "unable to find a free DMA16\n");
+                        err = -EBUSY;
+                        goto err_free;
+                }
+        }
+
+        xmpu_port = mpu_port[dev];
+        if (xmpu_port == SNDRV_AUTO_PORT)
+                xmpu_port = 0;
+        err = jazz16_detect_board(port[dev], xmpu_port);
+        if (err < 0) {
+                printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
+                goto err_free;
+        }
+        err = snd_sbdsp_create(card, port[dev], irq[dev],
+                               jazz16_interrupt,
+                               dma8[dev], dma16[dev],
+                               SB_HW_JAZZ16,
+                               &chip);
+        if (err < 0)
+                goto err_free;
+
+        xmpu_irq = mpu_irq[dev];
+        if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
+                xmpu_irq = 0;
+        err = jazz16_configure_board(chip, xmpu_irq);
+        if (err < 0) {
+                printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
+                goto err_free;
+        }
+
+        jazz16->chip = chip;
+
+        strcpy(card->driver, "jazz16");
+        strcpy(card->shortname, "Media Vision Jazz16");
+        sprintf(card->longname,
+                "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
+                port[dev], xirq, xdma8, xdma16);
+
+        err = snd_sb8dsp_pcm(chip, 0, NULL);
+        if (err < 0)
+                goto err_free;
+        err = snd_sbmixer_new(chip);
+        if (err < 0)
+                goto err_free;
+
+        err = snd_opl3_create(card, chip->port, chip->port + 2,
+                              OPL3_HW_AUTO, 1, &opl3);
+        if (err < 0)
+                snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
+                           chip->port, chip->port + 2);
+        else {
+                err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
+                if (err < 0)
+                        goto err_free;
+        }
+        if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
+                if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
+                        mpu_irq[dev] = -1;
+
+                if (snd_mpu401_uart_new(card, 0,
+                                        MPU401_HW_MPU401,
+                                        mpu_port[dev], 0,
+                                        mpu_irq[dev],
+                                        mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0,
+                                        NULL) < 0)
+                        snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
+                                        mpu_port[dev]);
+        }
+
+        snd_card_set_dev(card, devptr);
+
+        err = snd_card_register(card);
+        if (err < 0)
+                goto err_free;
+
+        dev_set_drvdata(devptr, card);
+        return 0;
+
+err_free:
+        snd_card_free(card);
+        return err;
+}
+
+static int __devexit snd_jazz16_remove(struct device *devptr, unsigned int dev)
+{
+        struct snd_card *card = dev_get_drvdata(devptr);
+
+        dev_set_drvdata(devptr, NULL);
+        snd_card_free(card);
+        return 0;
+}
+
+#ifdef CONFIG_PM
+static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
+                               pm_message_t state)
+{
+        struct snd_card *card = dev_get_drvdata(pdev);
+        struct snd_card_jazz16 *acard = card->private_data;
+        struct snd_sb *chip = acard->chip;
+
+        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+        snd_pcm_suspend_all(chip->pcm);
+        snd_sbmixer_suspend(chip);
+        return 0;
+}
+
+static int snd_jazz16_resume(struct device *pdev, unsigned int n)
+{
+        struct snd_card *card = dev_get_drvdata(pdev);
+        struct snd_card_jazz16 *acard = card->private_data;
+        struct snd_sb *chip = acard->chip;
+
+        snd_sbdsp_reset(chip);
+        snd_sbmixer_resume(chip);
+        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+        return 0;
+}
+#endif
+
+static struct isa_driver snd_jazz16_driver = {
+        .match          = snd_jazz16_match,
+        .probe          = snd_jazz16_probe,
+        .remove         = __devexit_p(snd_jazz16_remove),
+#ifdef CONFIG_PM
+        .suspend        = snd_jazz16_suspend,
+        .resume         = snd_jazz16_resume,
+#endif
+        .driver         = {
+                .name   = "jazz16"
+        },
+};
+
+static int __init alsa_card_jazz16_init(void)
+{
+        return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
+}
+
+static void __exit alsa_card_jazz16_exit(void)
+{
+        isa_unregister_driver(&snd_jazz16_driver);
+}
+
+module_init(alsa_card_jazz16_init)
+module_exit(alsa_card_jazz16_exit)
diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index 658d55769c9c..3222aed5fac6 100644
--- a/sound/isa/sb/sb8_main.c
+++ b/sound/isa/sb/sb8_main.c
@@ -106,9 +106,21 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
         struct snd_sb *chip = snd_pcm_substream_chip(substream);
         struct snd_pcm_runtime *runtime = substream->runtime;
         unsigned int mixreg, rate, size, count;
+        unsigned char format;
+        unsigned char stereo = runtime->channels > 1;
+        int dma;
 
         rate = runtime->rate;
         switch (chip->hardware) {
+        case SB_HW_JAZZ16:
+                if (runtime->format == SNDRV_PCM_FORMAT_S16_LE) {
+                        if (chip->mode & SB_MODE_CAPTURE_16)
+                                return -EBUSY;
+                        else
+                                chip->mode |= SB_MODE_PLAYBACK_16;
+                }
+                chip->playback_format = SB_DSP_LO_OUTPUT_AUTO;
+                break;
         case SB_HW_PRO:
                 if (runtime->channels > 1) {
                         if (snd_BUG_ON(rate != SB8_RATE(11025) &&
@@ -133,11 +145,21 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
         default:
                 return -EINVAL;
         }
+        if (chip->mode & SB_MODE_PLAYBACK_16) {
+                format = stereo ? SB_DSP_STEREO_16BIT : SB_DSP_MONO_16BIT;
+                dma = chip->dma16;
+        } else {
+                format = stereo ? SB_DSP_STEREO_8BIT : SB_DSP_MONO_8BIT;
+                chip->mode |= SB_MODE_PLAYBACK_8;
+                dma = chip->dma8;
+        }
         size = chip->p_dma_size = snd_pcm_lib_buffer_bytes(substream);
         count = chip->p_period_size = snd_pcm_lib_period_bytes(substream);
         spin_lock_irqsave(&chip->reg_lock, flags);
         snd_sbdsp_command(chip, SB_DSP_SPEAKER_ON);
-        if (runtime->channels > 1) {
+        if (chip->hardware == SB_HW_JAZZ16)
+                snd_sbdsp_command(chip, format);
+        else if (stereo) {
                 /* set playback stereo mode */
                 spin_lock(&chip->mixer_lock);
                 mixreg = snd_sbmixer_read(chip, SB_DSP_STEREO_SW);
@@ -147,15 +169,14 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
                 /* Soundblaster hardware programming reference guide, 3-23 */
                 snd_sbdsp_command(chip, SB_DSP_DMA8_EXIT);
                 runtime->dma_area[0] = 0x80;
-                snd_dma_program(chip->dma8, runtime->dma_addr, 1, DMA_MODE_WRITE);
+                snd_dma_program(dma, runtime->dma_addr, 1, DMA_MODE_WRITE);
                 /* force interrupt */
-                chip->mode = SB_MODE_HALT;
                 snd_sbdsp_command(chip, SB_DSP_OUTPUT);
                 snd_sbdsp_command(chip, 0);
                 snd_sbdsp_command(chip, 0);
         }
         snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE);
-        if (runtime->channels > 1) {
+        if (stereo) {
                 snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);
                 spin_lock(&chip->mixer_lock);
                 /* save output filter status and turn it off */
@@ -168,13 +189,15 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream)
                 snd_sbdsp_command(chip, 256 - runtime->rate_den);
         }
         if (chip->playback_format != SB_DSP_OUTPUT) {
+                if (chip->mode & SB_MODE_PLAYBACK_16)
+                        count /= 2;
                 count--;
                 snd_sbdsp_command(chip, SB_DSP_BLOCK_SIZE);
                 snd_sbdsp_command(chip, count & 0xff);
                 snd_sbdsp_command(chip, count >> 8);
         }
         spin_unlock_irqrestore(&chip->reg_lock, flags);
-        snd_dma_program(chip->dma8, runtime->dma_addr,
+        snd_dma_program(dma, runtime->dma_addr,
                         size, DMA_MODE_WRITE | DMA_AUTOINIT);
         return 0;
 }
@@ -212,7 +235,6 @@ static int snd_sb8_playback_trigger(struct snd_pcm_substream *substream,
                 snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);
         }
         spin_unlock_irqrestore(&chip->reg_lock, flags);
-        chip->mode = (cmd == SNDRV_PCM_TRIGGER_START) ? SB_MODE_PLAYBACK_8 : SB_MODE_HALT;
         return 0;
 }
 
@@ -234,9 +256,21 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
         struct snd_sb *chip = snd_pcm_substream_chip(substream);
         struct snd_pcm_runtime *runtime = substream->runtime;
         unsigned int mixreg, rate, size, count;
+        unsigned char format;
+        unsigned char stereo = runtime->channels > 1;
+        int dma;
 
         rate = runtime->rate;
         switch (chip->hardware) {
+        case SB_HW_JAZZ16:
+                if (runtime->format == SNDRV_PCM_FORMAT_S16_LE) {
+                        if (chip->mode & SB_MODE_PLAYBACK_16)
+                                return -EBUSY;
+                        else
+                                chip->mode |= SB_MODE_CAPTURE_16;
+                }
+                chip->capture_format = SB_DSP_LO_INPUT_AUTO;
+                break;
         case SB_HW_PRO:
                 if (runtime->channels > 1) {
                         if (snd_BUG_ON(rate != SB8_RATE(11025) &&
@@ -262,14 +296,24 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
         default:
                 return -EINVAL;
         }
+        if (chip->mode & SB_MODE_CAPTURE_16) {
+                format = stereo ? SB_DSP_STEREO_16BIT : SB_DSP_MONO_16BIT;
+                dma = chip->dma16;
+        } else {
+                format = stereo ? SB_DSP_STEREO_8BIT : SB_DSP_MONO_8BIT;
+                chip->mode |= SB_MODE_CAPTURE_8;
+                dma = chip->dma8;
+        }
         size = chip->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
         count = chip->c_period_size = snd_pcm_lib_period_bytes(substream);
         spin_lock_irqsave(&chip->reg_lock, flags);
         snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);
-        if (runtime->channels > 1)
+        if (chip->hardware == SB_HW_JAZZ16)
+                snd_sbdsp_command(chip, format);
+        else if (stereo)
                 snd_sbdsp_command(chip, SB_DSP_STEREO_8BIT);
         snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE);
-        if (runtime->channels > 1) {
+        if (stereo) {
                 snd_sbdsp_command(chip, 256 - runtime->rate_den / 2);
                 spin_lock(&chip->mixer_lock);
                 /* save input filter status and turn it off */
@@ -282,13 +326,15 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream)
                 snd_sbdsp_command(chip, 256 - runtime->rate_den);
         }
         if (chip->capture_format != SB_DSP_INPUT) {
+                if (chip->mode & SB_MODE_PLAYBACK_16)
+                        count /= 2;
                 count--;
                 snd_sbdsp_command(chip, SB_DSP_BLOCK_SIZE);
                 snd_sbdsp_command(chip, count & 0xff);
                 snd_sbdsp_command(chip, count >> 8);
         }
         spin_unlock_irqrestore(&chip->reg_lock, flags);
-        snd_dma_program(chip->dma8, runtime->dma_addr,
+        snd_dma_program(dma, runtime->dma_addr,
                         size, DMA_MODE_READ | DMA_AUTOINIT);
         return 0;
 }
@@ -328,7 +374,6 @@ static int snd_sb8_capture_trigger(struct snd_pcm_substream *substream,
                 snd_sbdsp_command(chip, SB_DSP_SPEAKER_OFF);
         }
         spin_unlock_irqrestore(&chip->reg_lock, flags);
-        chip->mode = (cmd == SNDRV_PCM_TRIGGER_START) ? SB_MODE_CAPTURE_8 : SB_MODE_HALT;
         return 0;
 }
 
@@ -339,13 +384,21 @@ irqreturn_t snd_sb8dsp_interrupt(struct snd_sb *chip)
 
         snd_sb_ack_8bit(chip);
         switch (chip->mode) {
-        case SB_MODE_PLAYBACK_8:        /* ok.. playback is active */
+        case SB_MODE_PLAYBACK_16:       /* ok.. playback is active */
+                if (chip->hardware != SB_HW_JAZZ16)
+                        break;
+                /* fallthru */
+        case SB_MODE_PLAYBACK_8:
                 substream = chip->playback_substream;
                 runtime = substream->runtime;
                 if (chip->playback_format == SB_DSP_OUTPUT)
                         snd_sb8_playback_trigger(substream, SNDRV_PCM_TRIGGER_START);
                 snd_pcm_period_elapsed(substream);
                 break;
+        case SB_MODE_CAPTURE_16:
+                if (chip->hardware != SB_HW_JAZZ16)
+                        break;
+                /* fallthru */
         case SB_MODE_CAPTURE_8:
                 substream = chip->capture_substream;
                 runtime = substream->runtime;
@@ -361,10 +414,15 @@ static snd_pcm_uframes_t snd_sb8_playback_pointer(struct snd_pcm_substream *subs
 {
         struct snd_sb *chip = snd_pcm_substream_chip(substream);
         size_t ptr;
+        int dma;
 
-        if (chip->mode != SB_MODE_PLAYBACK_8)
+        if (chip->mode & SB_MODE_PLAYBACK_8)
+                dma = chip->dma8;
+        else if (chip->mode & SB_MODE_PLAYBACK_16)
+                dma = chip->dma16;
+        else
                 return 0;
-        ptr = snd_dma_pointer(chip->dma8, chip->p_dma_size);
+        ptr = snd_dma_pointer(dma, chip->p_dma_size);
         return bytes_to_frames(substream->runtime, ptr);
 }
 
@@ -372,10 +430,15 @@ static snd_pcm_uframes_t snd_sb8_capture_pointer(struct snd_pcm_substream *subst
 {
         struct snd_sb *chip = snd_pcm_substream_chip(substream);
         size_t ptr;
+        int dma;
 
-        if (chip->mode != SB_MODE_CAPTURE_8)
+        if (chip->mode & SB_MODE_CAPTURE_8)
+                dma = chip->dma8;
+        else if (chip->mode & SB_MODE_CAPTURE_16)
+                dma = chip->dma16;
+        else
                 return 0;
-        ptr = snd_dma_pointer(chip->dma8, chip->c_dma_size);
+        ptr = snd_dma_pointer(dma, chip->c_dma_size);
         return bytes_to_frames(substream->runtime, ptr);
 }
 
@@ -446,6 +509,13 @@ static int snd_sb8_open(struct snd_pcm_substream *substream)
                 runtime->hw = snd_sb8_capture;
         }
         switch (chip->hardware) {
+        case SB_HW_JAZZ16:
+                runtime->hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;
+                runtime->hw.rates |= SNDRV_PCM_RATE_8000_48000;
+                runtime->hw.rate_min = 4000;
+                runtime->hw.rate_max = 50000;
+                runtime->hw.channels_max = 2;
+                break;
         case SB_HW_PRO:
                 runtime->hw.rate_max = 44100;
                 runtime->hw.channels_max = 2;
@@ -468,6 +538,14 @@ static int snd_sb8_open(struct snd_pcm_substream *substream)
         }
         snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
                                       &hw_constraints_clock);
+        if (chip->dma8 > 3 || chip->dma16 >= 0) {
+                snd_pcm_hw_constraint_step(runtime, 0,
+                                           SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 2);
+                snd_pcm_hw_constraint_step(runtime, 0,
+                                           SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 2);
+                runtime->hw.buffer_bytes_max = 128 * 1024 * 1024;
+                runtime->hw.period_bytes_max = 128 * 1024 * 1024;
+        }
         return 0;       
 }
 
@@ -480,6 +558,10 @@ static int snd_sb8_close(struct snd_pcm_substream *substream)
         chip->capture_substream = NULL;
         spin_lock_irqsave(&chip->open_lock, flags);
         chip->open &= ~SB_OPEN_PCM;
+        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+                chip->mode &= ~SB_MODE_PLAYBACK;
+        else
+                chip->mode &= ~SB_MODE_CAPTURE;
         spin_unlock_irqrestore(&chip->open_lock, flags);
         return 0;
 }
@@ -515,6 +597,7 @@ int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm)
         struct snd_card *card = chip->card;
         struct snd_pcm *pcm;
         int err;
+        size_t max_prealloc = 64 * 1024;
 
         if (rpcm)
                 *rpcm = NULL;
@@ -527,9 +610,11 @@ int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm)
         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sb8_playback_ops);
         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sb8_capture_ops);
 
+        if (chip->dma8 > 3 || chip->dma16 >= 0)
+                max_prealloc = 128 * 1024;
         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                                               snd_dma_isa_data(),
-                                              64*1024, 64*1024);
+                                              64*1024, max_prealloc);
 
         if (rpcm)
                 *rpcm = pcm;
diff --git a/sound/isa/sb/sb_common.c b/sound/isa/sb/sb_common.c
index 27a651502251..eae6c1c0eff9 100644
--- a/sound/isa/sb/sb_common.c
+++ b/sound/isa/sb/sb_common.c
@@ -170,6 +170,9 @@ static int snd_sbdsp_probe(struct snd_sb * chip)
         case SB_HW_CS5530:
                 str = "16 (CS5530)";
                 break;
+        case SB_HW_JAZZ16:
+                str = "Pro (Jazz16)";
+                break;
         default:
                 return -ENODEV;
         }
diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c
index 8cfc41fbe368..6496822c1808 100644
--- a/sound/isa/sb/sb_mixer.c
+++ b/sound/isa/sb/sb_mixer.c
@@ -779,6 +779,7 @@ int snd_sbmixer_new(struct snd_sb *chip)
                         return err;
                 break;
         case SB_HW_PRO:
+        case SB_HW_JAZZ16:
                 if ((err = snd_sbmixer_init(chip,
                                             snd_sbpro_controls,
                                             ARRAY_SIZE(snd_sbpro_controls),
@@ -929,6 +930,7 @@ void snd_sbmixer_suspend(struct snd_sb *chip)
                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
                 break;
         case SB_HW_PRO:
+        case SB_HW_JAZZ16:
                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
                 break;
         case SB_HW_16:
@@ -955,6 +957,7 @@ void snd_sbmixer_resume(struct snd_sb *chip)
                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
                 break;
         case SB_HW_PRO:
+        case SB_HW_JAZZ16:
                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
                 break;
         case SB_HW_16: