summaryrefslogtreecommitdiff
path: root/sound/oss/cs4232.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/oss/cs4232.c')
-rw-r--r--sound/oss/cs4232.c520
1 files changed, 520 insertions, 0 deletions
diff --git a/sound/oss/cs4232.c b/sound/oss/cs4232.c
new file mode 100644
index 000000000000..6ec308f5d935
--- /dev/null
+++ b/sound/oss/cs4232.c
@@ -0,0 +1,520 @@
+/*
+ * Copyright (C) by Hannu Savolainen 1993-1997
+ *
+ * cs4232.c
+ *
+ * The low level driver for Crystal CS4232 based cards. The CS4232 is
+ * a PnP compatible chip which contains a CS4231A codec, SB emulation,
+ * a MPU401 compatible MIDI port, joystick and synthesizer and IDE CD-ROM
+ * interfaces. This is just a temporary driver until full PnP support
+ * gets implemented. Just the WSS codec, FM synth and the MIDI ports are
+ * supported. Other interfaces are left uninitialized.
+ *
+ * ifdef ...WAVEFRONT...
+ *
+ * Support is provided for initializing the WaveFront synth
+ * interface as well, which is logical device #4. Note that if
+ * you have a Tropez+ card, you probably don't need to setup
+ * the CS4232-supported MIDI interface, since it corresponds to
+ * the internal 26-pin header that's hard to access. Using this
+ * requires an additional IRQ, a resource none too plentiful in
+ * this environment. Just don't set module parameters mpuio and
+ * mpuirq, and the MIDI port will be left uninitialized. You can
+ * still use the ICS2115 hosted MIDI interface which corresponds
+ * to the 9-pin D connector on the back of the card.
+ *
+ * endif ...WAVEFRONT...
+ *
+ * Supported chips are:
+ * CS4232
+ * CS4236
+ * CS4236B
+ *
+ * Note: You will need a PnP config setup to initialise some CS4232 boards
+ * anyway.
+ *
+ * Changes
+ * John Rood Added Bose Sound System Support.
+ * Toshio Spoor
+ * Alan Cox Modularisation, Basic cleanups.
+ * Paul Barton-Davis Separated MPU configuration, added
+ * Tropez+ (WaveFront) support
+ * Christoph Hellwig Adapted to module_init/module_exit,
+ * simple cleanups
+ * Arnaldo C. de Melo got rid of attach_uart401
+ * Bartlomiej Zolnierkiewicz
+ * Added some __init/__initdata/__exit
+ * Marcus Meissner Added ISA PnP support.
+ */
+
+#include <linux/config.h>
+#include <linux/pnp.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include "sound_config.h"
+
+#include "ad1848.h"
+#include "mpu401.h"
+
+#define KEY_PORT 0x279 /* Same as LPT1 status port */
+#define CSN_NUM 0x99 /* Just a random number */
+#define INDEX_ADDRESS 0x00 /* (R0) Index Address Register */
+#define INDEX_DATA 0x01 /* (R1) Indexed Data Register */
+#define PIN_CONTROL 0x0a /* (I10) Pin Control */
+#define ENABLE_PINS 0xc0 /* XCTRL0/XCTRL1 enable */
+
+static void CS_OUT(unsigned char a)
+{
+ outb(a, KEY_PORT);
+}
+
+#define CS_OUT2(a, b) {CS_OUT(a);CS_OUT(b);}
+#define CS_OUT3(a, b, c) {CS_OUT(a);CS_OUT(b);CS_OUT(c);}
+
+static int __initdata bss = 0;
+static int mpu_base, mpu_irq;
+static int synth_base, synth_irq;
+static int mpu_detected;
+
+static int probe_cs4232_mpu(struct address_info *hw_config)
+{
+ /*
+ * Just write down the config values.
+ */
+
+ mpu_base = hw_config->io_base;
+ mpu_irq = hw_config->irq;
+
+ return 1;
+}
+
+static unsigned char crystal_key[] = /* A 32 byte magic key sequence */
+{
+ 0x96, 0x35, 0x9a, 0xcd, 0xe6, 0xf3, 0x79, 0xbc,
+ 0x5e, 0xaf, 0x57, 0x2b, 0x15, 0x8a, 0xc5, 0xe2,
+ 0xf1, 0xf8, 0x7c, 0x3e, 0x9f, 0x4f, 0x27, 0x13,
+ 0x09, 0x84, 0x42, 0xa1, 0xd0, 0x68, 0x34, 0x1a
+};
+
+static void sleep(unsigned howlong)
+{
+ current->state = TASK_INTERRUPTIBLE;
+ schedule_timeout(howlong);
+}
+
+static void enable_xctrl(int baseio)
+{
+ unsigned char regd;
+
+ /*
+ * Some IBM Aptiva's have the Bose Sound System. By default
+ * the Bose Amplifier is disabled. The amplifier will be
+ * activated, by setting the XCTRL0 and XCTRL1 bits.
+ * Volume of the monitor bose speakers/woofer, can then
+ * be set by changing the PCM volume.
+ *
+ */
+
+ printk("cs4232: enabling Bose Sound System Amplifier.\n");
+
+ /* Switch to Pin Control Address */
+ regd = inb(baseio + INDEX_ADDRESS) & 0xe0;
+ outb(((unsigned char) (PIN_CONTROL | regd)), baseio + INDEX_ADDRESS );
+
+ /* Activate the XCTRL0 and XCTRL1 Pins */
+ regd = inb(baseio + INDEX_DATA);
+ outb(((unsigned char) (ENABLE_PINS | regd)), baseio + INDEX_DATA );
+}
+
+static int __init probe_cs4232(struct address_info *hw_config, int isapnp_configured)
+{
+ int i, n;
+ int base = hw_config->io_base, irq = hw_config->irq;
+ int dma1 = hw_config->dma, dma2 = hw_config->dma2;
+ struct resource *ports;
+
+ if (base == -1 || irq == -1 || dma1 == -1) {
+ printk(KERN_ERR "cs4232: dma, irq and io must be set.\n");
+ return 0;
+ }
+
+ /*
+ * Verify that the I/O port range is free.
+ */
+
+ ports = request_region(base, 4, "ad1848");
+ if (!ports) {
+ printk(KERN_ERR "cs4232.c: I/O port 0x%03x not free\n", base);
+ return 0;
+ }
+ if (ad1848_detect(ports, NULL, hw_config->osp)) {
+ goto got_it; /* The card is already active */
+ }
+ if (isapnp_configured) {
+ printk(KERN_ERR "cs4232.c: ISA PnP configured, but not detected?\n");
+ goto fail;
+ }
+
+ /*
+ * This version of the driver doesn't use the PnP method when configuring
+ * the card but a simplified method defined by Crystal. This means that
+ * just one CS4232 compatible device can exist on the system. Also this
+ * method conflicts with possible PnP support in the OS. For this reason
+ * driver is just a temporary kludge.
+ *
+ * Also the Cirrus/Crystal method doesn't always work. Try ISA PnP first ;)
+ */
+
+ /*
+ * Repeat initialization few times since it doesn't always succeed in
+ * first time.
+ */
+
+ for (n = 0; n < 4; n++)
+ {
+ /*
+ * Wake up the card by sending a 32 byte Crystal key to the key port.
+ */
+
+ for (i = 0; i < 32; i++)
+ CS_OUT(crystal_key[i]);
+
+ sleep(HZ / 10);
+
+ /*
+ * Now set the CSN (Card Select Number).
+ */
+
+ CS_OUT2(0x06, CSN_NUM);
+
+ /*
+ * Then set some config bytes. First logical device 0
+ */
+
+ CS_OUT2(0x15, 0x00); /* Select logical device 0 (WSS/SB/FM) */
+ CS_OUT3(0x47, (base >> 8) & 0xff, base & 0xff); /* WSS base */
+
+ if (check_region(0x388, 4)) /* Not free */
+ CS_OUT3(0x48, 0x00, 0x00) /* FM base off */
+ else
+ CS_OUT3(0x48, 0x03, 0x88); /* FM base 0x388 */
+
+ CS_OUT3(0x42, 0x00, 0x00); /* SB base off */
+ CS_OUT2(0x22, irq); /* SB+WSS IRQ */
+ CS_OUT2(0x2a, dma1); /* SB+WSS DMA */
+
+ if (dma2 != -1)
+ CS_OUT2(0x25, dma2) /* WSS DMA2 */
+ else
+ CS_OUT2(0x25, 4); /* No WSS DMA2 */
+
+ CS_OUT2(0x33, 0x01); /* Activate logical dev 0 */
+
+ sleep(HZ / 10);
+
+ /*
+ * Initialize logical device 3 (MPU)
+ */
+
+ if (mpu_base != 0 && mpu_irq != 0)
+ {
+ CS_OUT2(0x15, 0x03); /* Select logical device 3 (MPU) */
+ CS_OUT3(0x47, (mpu_base >> 8) & 0xff, mpu_base & 0xff); /* MPU base */
+ CS_OUT2(0x22, mpu_irq); /* MPU IRQ */
+ CS_OUT2(0x33, 0x01); /* Activate logical dev 3 */
+ }
+
+ if(synth_base != 0)
+ {
+ CS_OUT2 (0x15, 0x04); /* logical device 4 (WaveFront) */
+ CS_OUT3 (0x47, (synth_base >> 8) & 0xff,
+ synth_base & 0xff); /* base */
+ CS_OUT2 (0x22, synth_irq); /* IRQ */
+ CS_OUT2 (0x33, 0x01); /* Activate logical dev 4 */
+ }
+
+ /*
+ * Finally activate the chip
+ */
+
+ CS_OUT(0x79);
+
+ sleep(HZ / 5);
+
+ /*
+ * Then try to detect the codec part of the chip
+ */
+
+ if (ad1848_detect(ports, NULL, hw_config->osp))
+ goto got_it;
+
+ sleep(HZ);
+ }
+fail:
+ release_region(base, 4);
+ return 0;
+
+got_it:
+ if (dma2 == -1)
+ dma2 = dma1;
+
+ hw_config->slots[0] = ad1848_init("Crystal audio controller", ports,
+ irq,
+ dma1, /* Playback DMA */
+ dma2, /* Capture DMA */
+ 0,
+ hw_config->osp,
+ THIS_MODULE);
+
+ if (hw_config->slots[0] != -1 &&
+ audio_devs[hw_config->slots[0]]->mixer_dev!=-1)
+ {
+ /* Assume the mixer map is as suggested in the CS4232 databook */
+ AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE);
+ AD1848_REROUTE(SOUND_MIXER_LINE2, SOUND_MIXER_CD);
+ AD1848_REROUTE(SOUND_MIXER_LINE3, SOUND_MIXER_SYNTH); /* FM synth */
+ }
+ if (mpu_base != 0 && mpu_irq != 0)
+ {
+ static struct address_info hw_config2 = {
+ 0
+ }; /* Ensure it's initialized */
+
+ hw_config2.io_base = mpu_base;
+ hw_config2.irq = mpu_irq;
+ hw_config2.dma = -1;
+ hw_config2.dma2 = -1;
+ hw_config2.always_detect = 0;
+ hw_config2.name = NULL;
+ hw_config2.driver_use_1 = 0;
+ hw_config2.driver_use_2 = 0;
+ hw_config2.card_subtype = 0;
+
+ if (probe_uart401(&hw_config2, THIS_MODULE))
+ {
+ mpu_detected = 1;
+ }
+ else
+ {
+ mpu_base = mpu_irq = 0;
+ }
+ hw_config->slots[1] = hw_config2.slots[1];
+ }
+
+ if (bss)
+ enable_xctrl(base);
+
+ return 1;
+}
+
+static void __devexit unload_cs4232(struct address_info *hw_config)
+{
+ int base = hw_config->io_base, irq = hw_config->irq;
+ int dma1 = hw_config->dma, dma2 = hw_config->dma2;
+
+ if (dma2 == -1)
+ dma2 = dma1;
+
+ ad1848_unload(base,
+ irq,
+ dma1, /* Playback DMA */
+ dma2, /* Capture DMA */
+ 0);
+
+ sound_unload_audiodev(hw_config->slots[0]);
+ if (mpu_base != 0 && mpu_irq != 0 && mpu_detected)
+ {
+ static struct address_info hw_config2 =
+ {
+ 0
+ }; /* Ensure it's initialized */
+
+ hw_config2.io_base = mpu_base;
+ hw_config2.irq = mpu_irq;
+ hw_config2.dma = -1;
+ hw_config2.dma2 = -1;
+ hw_config2.always_detect = 0;
+ hw_config2.name = NULL;
+ hw_config2.driver_use_1 = 0;
+ hw_config2.driver_use_2 = 0;
+ hw_config2.card_subtype = 0;
+ hw_config2.slots[1] = hw_config->slots[1];
+
+ unload_uart401(&hw_config2);
+ }
+}
+
+static struct address_info cfg;
+static struct address_info cfg_mpu;
+
+static int __initdata io = -1;
+static int __initdata irq = -1;
+static int __initdata dma = -1;
+static int __initdata dma2 = -1;
+static int __initdata mpuio = -1;
+static int __initdata mpuirq = -1;
+static int __initdata synthio = -1;
+static int __initdata synthirq = -1;
+static int __initdata isapnp = 1;
+
+MODULE_DESCRIPTION("CS4232 based soundcard driver");
+MODULE_AUTHOR("Hannu Savolainen, Paul Barton-Davis");
+MODULE_LICENSE("GPL");
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io,"base I/O port for AD1848");
+module_param(irq, int, 0);
+MODULE_PARM_DESC(irq,"IRQ for AD1848 chip");
+module_param(dma, int, 0);
+MODULE_PARM_DESC(dma,"8 bit DMA for AD1848 chip");
+module_param(dma2, int, 0);
+MODULE_PARM_DESC(dma2,"16 bit DMA for AD1848 chip");
+module_param(mpuio, int, 0);
+MODULE_PARM_DESC(mpuio,"MPU 401 base address");
+module_param(mpuirq, int, 0);
+MODULE_PARM_DESC(mpuirq,"MPU 401 IRQ");
+module_param(synthio, int, 0);
+MODULE_PARM_DESC(synthio,"Maui WaveTable base I/O port");
+module_param(synthirq, int, 0);
+MODULE_PARM_DESC(synthirq,"Maui WaveTable IRQ");
+module_param(isapnp, bool, 0);
+MODULE_PARM_DESC(isapnp,"Enable ISAPnP probing (default 1)");
+module_param(bss, bool, 0);
+MODULE_PARM_DESC(bss,"Enable Bose Sound System Support (default 0)");
+
+/*
+ * Install a CS4232 based card. Need to have ad1848 and mpu401
+ * loaded ready.
+ */
+
+/* All cs4232 based cards have the main ad1848 card either as CSC0000 or
+ * CSC0100. */
+static const struct pnp_device_id cs4232_pnp_table[] = {
+ { .id = "CSC0100", .driver_data = 0 },
+ { .id = "CSC0000", .driver_data = 0 },
+ /* Guillemot Turtlebeach something appears to be cs4232 compatible
+ * (untested) */
+ { .id = "GIM0100", .driver_data = 0 },
+ { .id = ""}
+};
+
+MODULE_DEVICE_TABLE(pnp, cs4232_pnp_table);
+
+static int cs4232_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
+{
+ struct address_info *isapnpcfg;
+
+ isapnpcfg=(struct address_info*)kmalloc(sizeof(*isapnpcfg),GFP_KERNEL);
+ if (!isapnpcfg)
+ return -ENOMEM;
+
+ isapnpcfg->irq = pnp_irq(dev, 0);
+ isapnpcfg->dma = pnp_dma(dev, 0);
+ isapnpcfg->dma2 = pnp_dma(dev, 1);
+ isapnpcfg->io_base = pnp_port_start(dev, 0);
+ if (probe_cs4232(isapnpcfg,TRUE) == 0) {
+ printk(KERN_ERR "cs4232: ISA PnP card found, but not detected?\n");
+ kfree(isapnpcfg);
+ return -ENODEV;
+ }
+ pnp_set_drvdata(dev,isapnpcfg);
+ return 0;
+}
+
+static void __devexit cs4232_pnp_remove(struct pnp_dev *dev)
+{
+ struct address_info *cfg = pnp_get_drvdata(dev);
+ if (cfg) {
+ unload_cs4232(cfg);
+ kfree(cfg);
+ }
+}
+
+static struct pnp_driver cs4232_driver = {
+ .name = "cs4232",
+ .id_table = cs4232_pnp_table,
+ .probe = cs4232_pnp_probe,
+ .remove = __devexit_p(cs4232_pnp_remove),
+};
+
+static int __init init_cs4232(void)
+{
+#ifdef CONFIG_SOUND_WAVEFRONT_MODULE
+ if(synthio == -1)
+ printk(KERN_INFO "cs4232: set synthio and synthirq to use the wavefront facilities.\n");
+ else {
+ synth_base = synthio;
+ synth_irq = synthirq;
+ }
+#else
+ if(synthio != -1)
+ printk(KERN_WARNING "cs4232: wavefront support not enabled in this driver.\n");
+#endif
+ cfg.irq = -1;
+
+ if (isapnp &&
+ (pnp_register_driver(&cs4232_driver) > 0)
+ )
+ return 0;
+
+ if(io==-1||irq==-1||dma==-1)
+ {
+ printk(KERN_ERR "cs4232: Must set io, irq and dma.\n");
+ return -ENODEV;
+ }
+
+ cfg.io_base = io;
+ cfg.irq = irq;
+ cfg.dma = dma;
+ cfg.dma2 = dma2;
+
+ cfg_mpu.io_base = -1;
+ cfg_mpu.irq = -1;
+
+ if (mpuio != -1 && mpuirq != -1) {
+ cfg_mpu.io_base = mpuio;
+ cfg_mpu.irq = mpuirq;
+ probe_cs4232_mpu(&cfg_mpu); /* Bug always returns 0 not OK -- AC */
+ }
+
+ if (probe_cs4232(&cfg,FALSE) == 0)
+ return -ENODEV;
+
+ return 0;
+}
+
+static void __exit cleanup_cs4232(void)
+{
+ pnp_unregister_driver(&cs4232_driver);
+ if (cfg.irq != -1)
+ unload_cs4232(&cfg); /* Unloads global MPU as well, if needed */
+}
+
+module_init(init_cs4232);
+module_exit(cleanup_cs4232);
+
+#ifndef MODULE
+static int __init setup_cs4232(char *str)
+{
+ /* io, irq, dma, dma2 mpuio, mpuirq*/
+ int ints[7];
+
+ /* If we have isapnp cards, no need for options */
+ if (pnp_register_driver(&cs4232_driver) > 0)
+ return 1;
+
+ str = get_options(str, ARRAY_SIZE(ints), ints);
+
+ io = ints[1];
+ irq = ints[2];
+ dma = ints[3];
+ dma2 = ints[4];
+ mpuio = ints[5];
+ mpuirq = ints[6];
+
+ return 1;
+}
+
+__setup("cs4232=", setup_cs4232);
+#endif
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-18 19:46:54 +0000