[alsa-devel] [PATCH] Add support for Cyrix/NatSemi Geode CS5530 (VSA1)
Ash Willis
ashwillis at programmer.net
Thu May 24 16:09:29 CEST 2007
Takashi, here are my modified patches.
One small one for alsa-driver.
I took your advice and merged the rest into alsa-kernel.
Everything should be in order this time.
Add support for Cyrix/NatSemi Geode SC5530 (VSA1)
Signed-off-by Ash Willis <ashwillis at programmer.net>
---
diff -r fb391138d29c -r 994136cf989e pci/cs5530.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/pci/cs5530.c Thu May 24 20:45:25 2007 +0100
@@ -0,0 +1,2 @@
+#include "../alsa-kernel/pci/cs5530.c"
+EXPORT_NO_SYMBOLS;
---
diff -r 45179b325c8e -r 0b0c03c6c6ca Documentation/ALSA-Configuration.txt
--- a/Documentation/ALSA-Configuration.txt Wed May 23 16:27:32 2007 +0200
+++ b/Documentation/ALSA-Configuration.txt Thu May 24 20:58:27 2007 +0100
@@ -467,7 +467,12 @@ Prior to version 0.9.0rc4 options had a
above explicitly.
The power-management is supported.
-
+
+ Module snd-cs5530
+ _________________
+
+ Module for Cyrix/NatSemi Geode 5530 chip.
+
Module snd-cs5535audio
----------------------
diff -r 45179b325c8e -r 0b0c03c6c6ca include/sb.h
--- a/include/sb.h Wed May 23 16:27:32 2007 +0200
+++ b/include/sb.h Thu May 24 20:58:27 2007 +0100
@@ -38,6 +38,7 @@ enum sb_hw_type {
SB_HW_ALS100, /* Avance Logic ALS100 chip */
SB_HW_ALS4000, /* Avance Logic ALS4000 chip */
SB_HW_DT019X, /* Diamond Tech. DT-019X / Avance Logic ALS-007 */
+ SB_HW_CS5530, /* Cyrix/NatSemi 5530 VSA1 */
};
#define SB_OPEN_PCM 0x01
diff -r 45179b325c8e -r 0b0c03c6c6ca isa/sb/sb16_main.c
--- a/isa/sb/sb16_main.c Wed May 23 16:27:32 2007 +0200
+++ b/isa/sb/sb16_main.c Thu May 24 20:58:27 2007 +0100
@@ -563,6 +563,11 @@ static int snd_sb16_playback_open(struct
__open_ok:
if (chip->hardware == SB_HW_ALS100)
runtime->hw.rate_max = 48000;
+ if (chip->hardware == SB_HW_CS5530) {
+ runtime->hw.buffer_bytes_max = 32 * 1024;
+ runtime->hw.periods_min = 2;
+ runtime->hw.rate_min = 44100;
+ }
if (chip->mode & SB_RATE_LOCK)
runtime->hw.rate_min = runtime->hw.rate_max = chip->locked_rate;
chip->playback_substream = substream;
@@ -633,6 +638,11 @@ static int snd_sb16_capture_open(struct
__open_ok:
if (chip->hardware == SB_HW_ALS100)
runtime->hw.rate_max = 48000;
+ if (chip->hardware == SB_HW_CS5530) {
+ runtime->hw.buffer_bytes_max = 32 * 1024;
+ runtime->hw.periods_min = 2;
+ runtime->hw.rate_min = 44100;
+ }
if (chip->mode & SB_RATE_LOCK)
runtime->hw.rate_min = runtime->hw.rate_max = chip->locked_rate;
chip->capture_substream = substream;
diff -r 45179b325c8e -r 0b0c03c6c6ca isa/sb/sb_common.c
--- a/isa/sb/sb_common.c Wed May 23 16:27:32 2007 +0200
+++ b/isa/sb/sb_common.c Thu May 24 20:58:27 2007 +0100
@@ -128,7 +128,7 @@ static int snd_sbdsp_probe(struct snd_sb
minor = version & 0xff;
snd_printdd("SB [0x%lx]: DSP chip found, version = %i.%i\n",
chip->port, major, minor);
-
+
switch (chip->hardware) {
case SB_HW_AUTO:
switch (major) {
@@ -167,6 +167,9 @@ static int snd_sbdsp_probe(struct snd_sb
break;
case SB_HW_DT019X:
str = "(DT019X/ALS007)";
+ break;
+ case SB_HW_CS5530:
+ str = "16 (CS5530)";
break;
default:
return -ENODEV;
diff -r 45179b325c8e -r 0b0c03c6c6ca isa/sb/sb_mixer.c
--- a/isa/sb/sb_mixer.c Wed May 23 16:27:32 2007 +0200
+++ b/isa/sb/sb_mixer.c Thu May 24 20:58:27 2007 +0100
@@ -821,6 +821,7 @@ int snd_sbmixer_new(struct snd_sb *chip)
break;
case SB_HW_16:
case SB_HW_ALS100:
+ case SB_HW_CS5530:
if ((err = snd_sbmixer_init(chip,
snd_sb16_controls,
ARRAY_SIZE(snd_sb16_controls),
@@ -950,6 +951,7 @@ void snd_sbmixer_suspend(struct snd_sb *
break;
case SB_HW_16:
case SB_HW_ALS100:
+ case SB_HW_CS5530:
save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
break;
case SB_HW_ALS4000:
@@ -975,6 +977,7 @@ void snd_sbmixer_resume(struct snd_sb *c
break;
case SB_HW_16:
case SB_HW_ALS100:
+ case SB_HW_CS5530:
restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
break;
case SB_HW_ALS4000:
diff -r 45179b325c8e -r 0b0c03c6c6ca pci/Kconfig
--- a/pci/Kconfig Wed May 23 16:27:32 2007 +0200
+++ b/pci/Kconfig Thu May 24 20:58:27 2007 +0100
@@ -214,6 +214,16 @@ config SND_CS46XX_NEW_DSP
Say Y here to use a new DSP image for SPDIF and dual codecs.
This works better than the old code, so say Y.
+
+config SND_CS5530
+ tristate "CS5530 Audio"
+ depends on SND
+ select SND_SB16
+ help
+ Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-cs5530.
config SND_CS5535AUDIO
tristate "CS5535/CS5536 Audio"
diff -r 45179b325c8e -r 0b0c03c6c6ca pci/Makefile
--- a/pci/Makefile Wed May 23 16:27:32 2007 +0200
+++ b/pci/Makefile Thu May 24 20:58:27 2007 +0100
@@ -12,6 +12,7 @@ snd-bt87x-objs := bt87x.o
snd-bt87x-objs := bt87x.o
snd-cmipci-objs := cmipci.o
snd-cs4281-objs := cs4281.o
+snd-cs5530-objs := cs5530.o
snd-ens1370-objs := ens1370.o
snd-ens1371-objs := ens1371.o
snd-es1938-objs := es1938.o
@@ -36,6 +37,7 @@ obj-$(CONFIG_SND_BT87X) += snd-bt87x.o
obj-$(CONFIG_SND_BT87X) += snd-bt87x.o
obj-$(CONFIG_SND_CMIPCI) += snd-cmipci.o
obj-$(CONFIG_SND_CS4281) += snd-cs4281.o
+obj-$(CONFIG_SND_CS5530) += snd-cs5530.o
obj-$(CONFIG_SND_ENS1370) += snd-ens1370.o
obj-$(CONFIG_SND_ENS1371) += snd-ens1371.o
obj-$(CONFIG_SND_ES1938) += snd-es1938.o
diff -r 45179b325c8e -r 0b0c03c6c6ca pci/cs5530.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/pci/cs5530.c Thu May 24 20:58:27 2007 +0100
@@ -0,0 +1,306 @@
+/*
+ * cs5530.c - Initialisation code for Cyrix/NatSemi VSA1 softaudio
+ *
+ * (C) Copyright 2007 Ash Willis <ashwillis at programmer.net>
+ * (C) Copyright 2003 Red Hat Inc <alan at redhat.com>
+ *
+ * This driver was ported (shamelessly ripped ;) from oss/kahlua.c but I did
+ * mess with it a bit. The chip seems to have to have trouble with full duplex
+ * mode. If we're recording in 8bit 8000kHz, say, and we then attempt to
+ * simultaneously play back audio at 16bit 44100kHz, the device actually plays
+ * back in the same format in which it is capturing. By forcing the chip to
+ * always play/capture in 16/44100, we can let alsa-lib convert the samples and
+ * that way we can hack up some full duplex audio.
+ *
+ * XpressAudio(tm) is used on the Cyrix MediaGX (now NatSemi Geode) systems.
+ * The older version (VSA1) provides fairly good soundblaster emulation
+ * although there are a couple of bugs: large DMA buffers break record,
+ * and the MPU event handling seems suspect. VSA2 allows the native driver
+ * to control the AC97 audio engine directly and requires a different driver.
+ *
+ * Thanks to National Semiconductor for providing the needed information
+ * on the XpressAudio(tm) internals.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * TO DO:
+ * Investigate whether we can portably support Cognac (5520) in the
+ * same manner.
+ */
+
+#include <sound/driver.h>
+#include <linux/delay.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include <sound/sb.h>
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Ash Willis");
+MODULE_DESCRIPTION("CS5530 Audio");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+struct snd_cs5530 {
+ struct snd_card *card;
+ struct pci_dev *pci;
+ struct snd_sb *sb;
+ unsigned long pci_base;
+};
+
+static struct pci_device_id snd_cs5530_ids[] = {
+ {PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_AUDIO, PCI_ANY_ID,
+ PCI_ANY_ID, 0, 0},
+ {0,}
+};
+
+MODULE_DEVICE_TABLE(pci, snd_cs5530_ids);
+
+static int snd_cs5530_free(struct snd_cs5530 *chip)
+{
+ pci_release_regions(chip->pci);
+ pci_disable_device(chip->pci);
+ kfree(chip);
+ return 0;
+}
+
+static int snd_cs5530_dev_free(struct snd_device *device)
+{
+ struct snd_cs5530 *chip = device->device_data;
+ return snd_cs5530_free(chip);
+}
+
+static void __devexit snd_cs5530_remove(struct pci_dev *pci)
+{
+ snd_card_free(pci_get_drvdata(pci));
+ pci_set_drvdata(pci, NULL);
+}
+
+static u8 __devinit snd_cs5530_mixer_read(unsigned long io, u8 reg)
+{
+ outb(reg, io + 4);
+ udelay(20);
+ reg = inb(io + 5);
+ udelay(20);
+ return reg;
+}
+
+static int __devinit snd_cs5530_create(struct snd_card *card,
+ struct pci_dev *pci,
+ struct snd_cs5530 **rchip)
+{
+ struct snd_cs5530 *chip;
+ unsigned long sb_base;
+ u8 irq, dma8, dma16 = 0;
+ u16 map;
+ void __iomem *mem;
+ int err;
+
+ static struct snd_device_ops ops = {
+ .dev_free = snd_cs5530_dev_free,
+ };
+ *rchip = NULL;
+
+ err = pci_enable_device(pci);
+ if (err < 0)
+ return err;
+
+ chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+ if (chip == NULL) {
+ pci_disable_device(pci);
+ return -ENOMEM;
+ }
+
+ chip->card = card;
+ chip->pci = pci;
+
+ err = pci_request_regions(pci, "CS5530");
+ if (err < 0) {
+ kfree(chip);
+ pci_disable_device(pci);
+ return err;
+ }
+ chip->pci_base = pci_resource_start(pci, 0);
+
+ mem = ioremap_nocache(chip->pci_base, pci_resource_len(pci, 0));
+ if (mem == NULL) {
+ kfree(chip);
+ pci_disable_device(pci);
+ return -EBUSY;
+ }
+
+ map = readw(mem + 0x18);
+ iounmap(mem);
+
+ /* Map bits
+ 0:1 * 0x20 + 0x200 = sb base
+ 2 sb enable
+ 3 adlib enable
+ 5 MPU enable 0x330
+ 6 MPU enable 0x300
+
+ The other bits may be used internally so must be masked */
+
+ sb_base = 0x220 + 0x20 * (map & 3);
+
+ if (map & (1<<2))
+ printk(KERN_INFO "CS5530: XpressAudio at 0x%lx\n", sb_base);
+ else {
+ printk(KERN_ERR "Could not find XpressAudio!\n");
+ snd_cs5530_free(chip);
+ return -ENODEV;
+ }
+
+ if (map & (1<<5))
+ printk(KERN_INFO "CS5530: MPU at 0x300\n");
+ else if (map & (1<<6))
+ printk(KERN_INFO "CS5530: MPU at 0x330\n");
+
+ irq = snd_cs5530_mixer_read(sb_base, 0x80) & 0x0F;
+ dma8 = snd_cs5530_mixer_read(sb_base, 0x81);
+
+ if (dma8 & 0x20)
+ dma16 = 5;
+ else if (dma8 & 0x40)
+ dma16 = 6;
+ else if (dma8 & 0x80)
+ dma16 = 7;
+ else {
+ printk(KERN_ERR "CS5530: No 16bit DMA enabled\n");
+ snd_cs5530_free(chip);
+ return -ENODEV;
+ }
+
+ if (dma8 & 0x01)
+ dma8 = 0;
+ else if (dma8 & 02)
+ dma8 = 1;
+ else if (dma8 & 0x08)
+ dma8 = 3;
+ else {
+ printk(KERN_ERR "CS5530: No 8bit DMA enabled\n");
+ snd_cs5530_free(chip);
+ return -ENODEV;
+ }
+
+ if (irq & 1)
+ irq = 9;
+ else if (irq & 2)
+ irq = 5;
+ else if (irq & 4)
+ irq = 7;
+ else if (irq & 8)
+ irq = 10;
+ else {
+ printk(KERN_ERR "CS5530: SoundBlaster IRQ not set\n");
+ snd_cs5530_free(chip);
+ return -ENODEV;
+ }
+
+ printk(KERN_INFO "CS5530: IRQ: %d DMA8: %d DMA16: %d\n", irq, dma8,
+ dma16);
+
+ err = snd_sbdsp_create(card, sb_base, irq, snd_sb16dsp_interrupt, dma8,
+ dma16, SB_HW_CS5530, &chip->sb);
+ if (err < 0) {
+ printk(KERN_ERR "CS5530: Could not create SoundBlaster\n");
+ snd_cs5530_free(chip);
+ return err;
+ }
+
+ err = snd_sb16dsp_pcm(chip->sb, 0, &chip->sb->pcm);
+ if (err < 0) {
+ printk(KERN_ERR "CS5530: Could not create PCM\n");
+ snd_cs5530_free(chip);
+ return err;
+ }
+
+ err = snd_sbmixer_new(chip->sb);
+ if (err < 0) {
+ printk(KERN_ERR "CS5530: Could not create Mixer\n");
+ snd_cs5530_free(chip);
+ return err;
+ }
+
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err < 0) {
+ snd_cs5530_free(chip);
+ return err;
+ }
+
+ snd_card_set_dev(card, &pci->dev);
+ *rchip = chip;
+ return 0;
+}
+
+static int __devinit snd_cs5530_probe(struct pci_dev *pci,
+ const struct pci_device_id *pci_id)
+{
+ static int dev;
+ struct snd_card *card;
+ struct snd_cs5530 *chip = NULL;
+ int err;
+
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
+ if (!enable[dev]) {
+ dev++;
+ return -ENOENT;
+ }
+
+ card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+
+ if (card == NULL)
+ return -ENOMEM;
+
+ err = snd_cs5530_create(card, pci, &chip);
+ if (err < 0) {
+ snd_card_free(card);
+ return err;
+ }
+
+ strcpy(card->driver, "CS5530");
+ strcpy(card->shortname, "CS5530 Audio");
+ sprintf(card->longname, "%s at 0x%lx", card->shortname, chip->pci_base);
+
+ err = snd_card_register(card);
+ if (err < 0) {
+ snd_card_free(card);
+ return err;
+ }
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+}
+
+static struct pci_driver driver = {
+ .name = "CS5530_Audio",
+ .id_table = snd_cs5530_ids,
+ .probe = snd_cs5530_probe,
+ .remove = __devexit_p(snd_cs5530_remove),
+};
+
+static int __init alsa_card_cs5530_init(void)
+{
+ return pci_register_driver(&driver);
+}
+
+static void __exit alsa_card_cs5530_exit(void)
+{
+ pci_unregister_driver(&driver);
+}
+
+module_init(alsa_card_cs5530_init)
+module_exit(alsa_card_cs5530_exit)
+
=
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