mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
![Bhumika Goyal](/assets/img/avatar_default.png)
Declare snd_kcontrol_new structures as const as they are only passed an argument to the function snd_ctl_new1. This argument is of type const, so snd_kcontrol_new structures having this property can be made const. Done using Coccinelle: @r disable optional_qualifier@ identifier x; position p; @@ static struct snd_kcontrol_new x@p={...}; @ok@ identifier r.x; position p; @@ snd_ctl_new1(&x@p,...) @bad@ position p != {r.p,ok.p}; identifier r.x; @@ x@p @depends on !bad disable optional_qualifier@ identifier r.x; @@ +const struct snd_kcontrol_new x; Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
1357 lines
33 KiB
C
1357 lines
33 KiB
C
/*
|
|
* Low-level ALSA driver for the ENSONIQ SoundScape
|
|
* Copyright (c) by Chris Rankin
|
|
*
|
|
* This driver was written in part using information obtained from
|
|
* the OSS/Free SoundScape driver, written by Hannu Savolainen.
|
|
*
|
|
*
|
|
* 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 of the License, 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/err.h>
|
|
#include <linux/io.h>
|
|
#include <linux/isa.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/firmware.h>
|
|
#include <linux/pnp.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/module.h>
|
|
#include <asm/dma.h>
|
|
#include <sound/core.h>
|
|
#include <sound/wss.h>
|
|
#include <sound/mpu401.h>
|
|
#include <sound/initval.h>
|
|
|
|
|
|
MODULE_AUTHOR("Chris Rankin");
|
|
MODULE_DESCRIPTION("ENSONIQ SoundScape driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_FIRMWARE("sndscape.co0");
|
|
MODULE_FIRMWARE("sndscape.co1");
|
|
MODULE_FIRMWARE("sndscape.co2");
|
|
MODULE_FIRMWARE("sndscape.co3");
|
|
MODULE_FIRMWARE("sndscape.co4");
|
|
MODULE_FIRMWARE("scope.cod");
|
|
|
|
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
|
|
static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
|
|
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
|
|
static long wss_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 dma[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
|
|
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
|
|
static bool joystick[SNDRV_CARDS];
|
|
|
|
module_param_array(index, int, NULL, 0444);
|
|
MODULE_PARM_DESC(index, "Index number for SoundScape soundcard");
|
|
|
|
module_param_array(id, charp, NULL, 0444);
|
|
MODULE_PARM_DESC(id, "Description for SoundScape card");
|
|
|
|
module_param_hw_array(port, long, ioport, NULL, 0444);
|
|
MODULE_PARM_DESC(port, "Port # for SoundScape driver.");
|
|
|
|
module_param_hw_array(wss_port, long, ioport, NULL, 0444);
|
|
MODULE_PARM_DESC(wss_port, "WSS Port # for SoundScape driver.");
|
|
|
|
module_param_hw_array(irq, int, irq, NULL, 0444);
|
|
MODULE_PARM_DESC(irq, "IRQ # for SoundScape driver.");
|
|
|
|
module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
|
|
MODULE_PARM_DESC(mpu_irq, "MPU401 IRQ # for SoundScape driver.");
|
|
|
|
module_param_hw_array(dma, int, dma, NULL, 0444);
|
|
MODULE_PARM_DESC(dma, "DMA # for SoundScape driver.");
|
|
|
|
module_param_hw_array(dma2, int, dma, NULL, 0444);
|
|
MODULE_PARM_DESC(dma2, "DMA2 # for SoundScape driver.");
|
|
|
|
module_param_array(joystick, bool, NULL, 0444);
|
|
MODULE_PARM_DESC(joystick, "Enable gameport.");
|
|
|
|
#ifdef CONFIG_PNP
|
|
static int isa_registered;
|
|
static int pnp_registered;
|
|
|
|
static struct pnp_card_device_id sscape_pnpids[] = {
|
|
{ .id = "ENS3081", .devs = { { "ENS0000" } } }, /* Soundscape PnP */
|
|
{ .id = "ENS4081", .devs = { { "ENS1011" } } }, /* VIVO90 */
|
|
{ .id = "" } /* end */
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pnp_card, sscape_pnpids);
|
|
#endif
|
|
|
|
|
|
#define HOST_CTRL_IO(i) ((i) + 2)
|
|
#define HOST_DATA_IO(i) ((i) + 3)
|
|
#define ODIE_ADDR_IO(i) ((i) + 4)
|
|
#define ODIE_DATA_IO(i) ((i) + 5)
|
|
#define CODEC_IO(i) ((i) + 8)
|
|
|
|
#define IC_ODIE 1
|
|
#define IC_OPUS 2
|
|
|
|
#define RX_READY 0x01
|
|
#define TX_READY 0x02
|
|
|
|
#define CMD_ACK 0x80
|
|
#define CMD_SET_MIDI_VOL 0x84
|
|
#define CMD_GET_MIDI_VOL 0x85
|
|
#define CMD_XXX_MIDI_VOL 0x86
|
|
#define CMD_SET_EXTMIDI 0x8a
|
|
#define CMD_GET_EXTMIDI 0x8b
|
|
#define CMD_SET_MT32 0x8c
|
|
#define CMD_GET_MT32 0x8d
|
|
|
|
enum GA_REG {
|
|
GA_INTSTAT_REG = 0,
|
|
GA_INTENA_REG,
|
|
GA_DMAA_REG,
|
|
GA_DMAB_REG,
|
|
GA_INTCFG_REG,
|
|
GA_DMACFG_REG,
|
|
GA_CDCFG_REG,
|
|
GA_SMCFGA_REG,
|
|
GA_SMCFGB_REG,
|
|
GA_HMCTL_REG
|
|
};
|
|
|
|
#define DMA_8BIT 0x80
|
|
|
|
|
|
enum card_type {
|
|
MEDIA_FX, /* Sequoia S-1000 */
|
|
SSCAPE, /* Sequoia S-2000 */
|
|
SSCAPE_PNP,
|
|
SSCAPE_VIVO,
|
|
};
|
|
|
|
struct soundscape {
|
|
spinlock_t lock;
|
|
unsigned io_base;
|
|
int ic_type;
|
|
enum card_type type;
|
|
struct resource *io_res;
|
|
struct resource *wss_res;
|
|
struct snd_wss *chip;
|
|
|
|
unsigned char midi_vol;
|
|
};
|
|
|
|
#define INVALID_IRQ ((unsigned)-1)
|
|
|
|
|
|
static inline struct soundscape *get_card_soundscape(struct snd_card *c)
|
|
{
|
|
return (struct soundscape *) (c->private_data);
|
|
}
|
|
|
|
/*
|
|
* Allocates some kernel memory that we can use for DMA.
|
|
* I think this means that the memory has to map to
|
|
* contiguous pages of physical memory.
|
|
*/
|
|
static struct snd_dma_buffer *get_dmabuf(struct snd_dma_buffer *buf,
|
|
unsigned long size)
|
|
{
|
|
if (buf) {
|
|
if (snd_dma_alloc_pages_fallback(SNDRV_DMA_TYPE_DEV,
|
|
snd_dma_isa_data(),
|
|
size, buf) < 0) {
|
|
snd_printk(KERN_ERR "sscape: Failed to allocate "
|
|
"%lu bytes for DMA\n",
|
|
size);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
/*
|
|
* Release the DMA-able kernel memory ...
|
|
*/
|
|
static void free_dmabuf(struct snd_dma_buffer *buf)
|
|
{
|
|
if (buf && buf->area)
|
|
snd_dma_free_pages(buf);
|
|
}
|
|
|
|
/*
|
|
* This function writes to the SoundScape's control registers,
|
|
* but doesn't do any locking. It's up to the caller to do that.
|
|
* This is why this function is "unsafe" ...
|
|
*/
|
|
static inline void sscape_write_unsafe(unsigned io_base, enum GA_REG reg,
|
|
unsigned char val)
|
|
{
|
|
outb(reg, ODIE_ADDR_IO(io_base));
|
|
outb(val, ODIE_DATA_IO(io_base));
|
|
}
|
|
|
|
/*
|
|
* Write to the SoundScape's control registers, and do the
|
|
* necessary locking ...
|
|
*/
|
|
static void sscape_write(struct soundscape *s, enum GA_REG reg,
|
|
unsigned char val)
|
|
{
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
sscape_write_unsafe(s->io_base, reg, val);
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
}
|
|
|
|
/*
|
|
* Read from the SoundScape's control registers, but leave any
|
|
* locking to the caller. This is why the function is "unsafe" ...
|
|
*/
|
|
static inline unsigned char sscape_read_unsafe(unsigned io_base,
|
|
enum GA_REG reg)
|
|
{
|
|
outb(reg, ODIE_ADDR_IO(io_base));
|
|
return inb(ODIE_DATA_IO(io_base));
|
|
}
|
|
|
|
/*
|
|
* Puts the SoundScape into "host" mode, as compared to "MIDI" mode
|
|
*/
|
|
static inline void set_host_mode_unsafe(unsigned io_base)
|
|
{
|
|
outb(0x0, HOST_CTRL_IO(io_base));
|
|
}
|
|
|
|
/*
|
|
* Puts the SoundScape into "MIDI" mode, as compared to "host" mode
|
|
*/
|
|
static inline void set_midi_mode_unsafe(unsigned io_base)
|
|
{
|
|
outb(0x3, HOST_CTRL_IO(io_base));
|
|
}
|
|
|
|
/*
|
|
* Read the SoundScape's host-mode control register, but leave
|
|
* any locking issues to the caller ...
|
|
*/
|
|
static inline int host_read_unsafe(unsigned io_base)
|
|
{
|
|
int data = -1;
|
|
if ((inb(HOST_CTRL_IO(io_base)) & RX_READY) != 0)
|
|
data = inb(HOST_DATA_IO(io_base));
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
* Read the SoundScape's host-mode control register, performing
|
|
* a limited amount of busy-waiting if the register isn't ready.
|
|
* Also leaves all locking-issues to the caller ...
|
|
*/
|
|
static int host_read_ctrl_unsafe(unsigned io_base, unsigned timeout)
|
|
{
|
|
int data;
|
|
|
|
while (((data = host_read_unsafe(io_base)) < 0) && (timeout != 0)) {
|
|
udelay(100);
|
|
--timeout;
|
|
} /* while */
|
|
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
* Write to the SoundScape's host-mode control registers, but
|
|
* leave any locking issues to the caller ...
|
|
*/
|
|
static inline int host_write_unsafe(unsigned io_base, unsigned char data)
|
|
{
|
|
if ((inb(HOST_CTRL_IO(io_base)) & TX_READY) != 0) {
|
|
outb(data, HOST_DATA_IO(io_base));
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Write to the SoundScape's host-mode control registers, performing
|
|
* a limited amount of busy-waiting if the register isn't ready.
|
|
* Also leaves all locking-issues to the caller ...
|
|
*/
|
|
static int host_write_ctrl_unsafe(unsigned io_base, unsigned char data,
|
|
unsigned timeout)
|
|
{
|
|
int err;
|
|
|
|
while (!(err = host_write_unsafe(io_base, data)) && (timeout != 0)) {
|
|
udelay(100);
|
|
--timeout;
|
|
} /* while */
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
/*
|
|
* Check that the MIDI subsystem is operational. If it isn't,
|
|
* then we will hang the computer if we try to use it ...
|
|
*
|
|
* NOTE: This check is based upon observation, not documentation.
|
|
*/
|
|
static inline int verify_mpu401(const struct snd_mpu401 *mpu)
|
|
{
|
|
return ((inb(MPU401C(mpu)) & 0xc0) == 0x80);
|
|
}
|
|
|
|
/*
|
|
* This is apparently the standard way to initailise an MPU-401
|
|
*/
|
|
static inline void initialise_mpu401(const struct snd_mpu401 *mpu)
|
|
{
|
|
outb(0, MPU401D(mpu));
|
|
}
|
|
|
|
/*
|
|
* Tell the SoundScape to activate the AD1845 chip (I think).
|
|
* The AD1845 detection fails if we *don't* do this, so I
|
|
* think that this is a good idea ...
|
|
*/
|
|
static void activate_ad1845_unsafe(unsigned io_base)
|
|
{
|
|
unsigned char val = sscape_read_unsafe(io_base, GA_HMCTL_REG);
|
|
sscape_write_unsafe(io_base, GA_HMCTL_REG, (val & 0xcf) | 0x10);
|
|
sscape_write_unsafe(io_base, GA_CDCFG_REG, 0x80);
|
|
}
|
|
|
|
/*
|
|
* Do the necessary ALSA-level cleanup to deallocate our driver ...
|
|
*/
|
|
static void soundscape_free(struct snd_card *c)
|
|
{
|
|
struct soundscape *sscape = get_card_soundscape(c);
|
|
release_and_free_resource(sscape->io_res);
|
|
release_and_free_resource(sscape->wss_res);
|
|
free_dma(sscape->chip->dma1);
|
|
}
|
|
|
|
/*
|
|
* Tell the SoundScape to begin a DMA tranfer using the given channel.
|
|
* All locking issues are left to the caller.
|
|
*/
|
|
static void sscape_start_dma_unsafe(unsigned io_base, enum GA_REG reg)
|
|
{
|
|
sscape_write_unsafe(io_base, reg,
|
|
sscape_read_unsafe(io_base, reg) | 0x01);
|
|
sscape_write_unsafe(io_base, reg,
|
|
sscape_read_unsafe(io_base, reg) & 0xfe);
|
|
}
|
|
|
|
/*
|
|
* Wait for a DMA transfer to complete. This is a "limited busy-wait",
|
|
* and all locking issues are left to the caller.
|
|
*/
|
|
static int sscape_wait_dma_unsafe(unsigned io_base, enum GA_REG reg,
|
|
unsigned timeout)
|
|
{
|
|
while (!(sscape_read_unsafe(io_base, reg) & 0x01) && (timeout != 0)) {
|
|
udelay(100);
|
|
--timeout;
|
|
} /* while */
|
|
|
|
return sscape_read_unsafe(io_base, reg) & 0x01;
|
|
}
|
|
|
|
/*
|
|
* Wait for the On-Board Processor to return its start-up
|
|
* acknowledgement sequence. This wait is too long for
|
|
* us to perform "busy-waiting", and so we must sleep.
|
|
* This in turn means that we must not be holding any
|
|
* spinlocks when we call this function.
|
|
*/
|
|
static int obp_startup_ack(struct soundscape *s, unsigned timeout)
|
|
{
|
|
unsigned long end_time = jiffies + msecs_to_jiffies(timeout);
|
|
|
|
do {
|
|
unsigned long flags;
|
|
int x;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
x = host_read_unsafe(s->io_base);
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
if (x == 0xfe || x == 0xff)
|
|
return 1;
|
|
|
|
msleep(10);
|
|
} while (time_before(jiffies, end_time));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Wait for the host to return its start-up acknowledgement
|
|
* sequence. This wait is too long for us to perform
|
|
* "busy-waiting", and so we must sleep. This in turn means
|
|
* that we must not be holding any spinlocks when we call
|
|
* this function.
|
|
*/
|
|
static int host_startup_ack(struct soundscape *s, unsigned timeout)
|
|
{
|
|
unsigned long end_time = jiffies + msecs_to_jiffies(timeout);
|
|
|
|
do {
|
|
unsigned long flags;
|
|
int x;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
x = host_read_unsafe(s->io_base);
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
if (x == 0xfe)
|
|
return 1;
|
|
|
|
msleep(10);
|
|
} while (time_before(jiffies, end_time));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Upload a byte-stream into the SoundScape using DMA channel A.
|
|
*/
|
|
static int upload_dma_data(struct soundscape *s, const unsigned char *data,
|
|
size_t size)
|
|
{
|
|
unsigned long flags;
|
|
struct snd_dma_buffer dma;
|
|
int ret;
|
|
unsigned char val;
|
|
|
|
if (!get_dmabuf(&dma, PAGE_ALIGN(32 * 1024)))
|
|
return -ENOMEM;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
|
|
/*
|
|
* Reset the board ...
|
|
*/
|
|
val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
|
|
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val & 0x3f);
|
|
|
|
/*
|
|
* Enable the DMA channels and configure them ...
|
|
*/
|
|
val = (s->chip->dma1 << 4) | DMA_8BIT;
|
|
sscape_write_unsafe(s->io_base, GA_DMAA_REG, val);
|
|
sscape_write_unsafe(s->io_base, GA_DMAB_REG, 0x20);
|
|
|
|
/*
|
|
* Take the board out of reset ...
|
|
*/
|
|
val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
|
|
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x80);
|
|
|
|
/*
|
|
* Upload the firmware to the SoundScape
|
|
* board through the DMA channel ...
|
|
*/
|
|
while (size != 0) {
|
|
unsigned long len;
|
|
|
|
len = min(size, dma.bytes);
|
|
memcpy(dma.area, data, len);
|
|
data += len;
|
|
size -= len;
|
|
|
|
snd_dma_program(s->chip->dma1, dma.addr, len, DMA_MODE_WRITE);
|
|
sscape_start_dma_unsafe(s->io_base, GA_DMAA_REG);
|
|
if (!sscape_wait_dma_unsafe(s->io_base, GA_DMAA_REG, 5000)) {
|
|
/*
|
|
* Don't forget to release this spinlock we're holding
|
|
*/
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
|
|
snd_printk(KERN_ERR
|
|
"sscape: DMA upload has timed out\n");
|
|
ret = -EAGAIN;
|
|
goto _release_dma;
|
|
}
|
|
} /* while */
|
|
|
|
set_host_mode_unsafe(s->io_base);
|
|
outb(0x0, s->io_base);
|
|
|
|
/*
|
|
* Boot the board ... (I think)
|
|
*/
|
|
val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
|
|
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x40);
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
|
|
/*
|
|
* If all has gone well, then the board should acknowledge
|
|
* the new upload and tell us that it has rebooted OK. We
|
|
* give it 5 seconds (max) ...
|
|
*/
|
|
ret = 0;
|
|
if (!obp_startup_ack(s, 5000)) {
|
|
snd_printk(KERN_ERR "sscape: No response "
|
|
"from on-board processor after upload\n");
|
|
ret = -EAGAIN;
|
|
} else if (!host_startup_ack(s, 5000)) {
|
|
snd_printk(KERN_ERR
|
|
"sscape: SoundScape failed to initialise\n");
|
|
ret = -EAGAIN;
|
|
}
|
|
|
|
_release_dma:
|
|
/*
|
|
* NOTE!!! We are NOT holding any spinlocks at this point !!!
|
|
*/
|
|
sscape_write(s, GA_DMAA_REG, (s->ic_type == IC_OPUS ? 0x40 : 0x70));
|
|
free_dmabuf(&dma);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Upload the bootblock(?) into the SoundScape. The only
|
|
* purpose of this block of code seems to be to tell
|
|
* us which version of the microcode we should be using.
|
|
*/
|
|
static int sscape_upload_bootblock(struct snd_card *card)
|
|
{
|
|
struct soundscape *sscape = get_card_soundscape(card);
|
|
unsigned long flags;
|
|
const struct firmware *init_fw = NULL;
|
|
int data = 0;
|
|
int ret;
|
|
|
|
ret = request_firmware(&init_fw, "scope.cod", card->dev);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "sscape: Error loading scope.cod");
|
|
return ret;
|
|
}
|
|
ret = upload_dma_data(sscape, init_fw->data, init_fw->size);
|
|
|
|
release_firmware(init_fw);
|
|
|
|
spin_lock_irqsave(&sscape->lock, flags);
|
|
if (ret == 0)
|
|
data = host_read_ctrl_unsafe(sscape->io_base, 100);
|
|
|
|
if (data & 0x10)
|
|
sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2f);
|
|
|
|
spin_unlock_irqrestore(&sscape->lock, flags);
|
|
|
|
data &= 0xf;
|
|
if (ret == 0 && data > 7) {
|
|
snd_printk(KERN_ERR
|
|
"sscape: timeout reading firmware version\n");
|
|
ret = -EAGAIN;
|
|
}
|
|
|
|
return (ret == 0) ? data : ret;
|
|
}
|
|
|
|
/*
|
|
* Upload the microcode into the SoundScape.
|
|
*/
|
|
static int sscape_upload_microcode(struct snd_card *card, int version)
|
|
{
|
|
struct soundscape *sscape = get_card_soundscape(card);
|
|
const struct firmware *init_fw = NULL;
|
|
char name[14];
|
|
int err;
|
|
|
|
snprintf(name, sizeof(name), "sndscape.co%d", version);
|
|
|
|
err = request_firmware(&init_fw, name, card->dev);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: Error loading sndscape.co%d",
|
|
version);
|
|
return err;
|
|
}
|
|
err = upload_dma_data(sscape, init_fw->data, init_fw->size);
|
|
if (err == 0)
|
|
snd_printk(KERN_INFO "sscape: MIDI firmware loaded %zu KBs\n",
|
|
init_fw->size >> 10);
|
|
|
|
release_firmware(init_fw);
|
|
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* Mixer control for the SoundScape's MIDI device.
|
|
*/
|
|
static int sscape_midi_info(struct snd_kcontrol *ctl,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 127;
|
|
return 0;
|
|
}
|
|
|
|
static int sscape_midi_get(struct snd_kcontrol *kctl,
|
|
struct snd_ctl_elem_value *uctl)
|
|
{
|
|
struct snd_wss *chip = snd_kcontrol_chip(kctl);
|
|
struct snd_card *card = chip->card;
|
|
register struct soundscape *s = get_card_soundscape(card);
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
uctl->value.integer.value[0] = s->midi_vol;
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
return 0;
|
|
}
|
|
|
|
static int sscape_midi_put(struct snd_kcontrol *kctl,
|
|
struct snd_ctl_elem_value *uctl)
|
|
{
|
|
struct snd_wss *chip = snd_kcontrol_chip(kctl);
|
|
struct snd_card *card = chip->card;
|
|
struct soundscape *s = get_card_soundscape(card);
|
|
unsigned long flags;
|
|
int change;
|
|
unsigned char new_val;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
|
|
new_val = uctl->value.integer.value[0] & 127;
|
|
/*
|
|
* We need to put the board into HOST mode before we
|
|
* can send any volume-changing HOST commands ...
|
|
*/
|
|
set_host_mode_unsafe(s->io_base);
|
|
|
|
/*
|
|
* To successfully change the MIDI volume setting, you seem to
|
|
* have to write a volume command, write the new volume value,
|
|
* and then perform another volume-related command. Perhaps the
|
|
* first command is an "open" and the second command is a "close"?
|
|
*/
|
|
if (s->midi_vol == new_val) {
|
|
change = 0;
|
|
goto __skip_change;
|
|
}
|
|
change = host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100)
|
|
&& host_write_ctrl_unsafe(s->io_base, new_val, 100)
|
|
&& host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100)
|
|
&& host_write_ctrl_unsafe(s->io_base, new_val, 100);
|
|
s->midi_vol = new_val;
|
|
__skip_change:
|
|
|
|
/*
|
|
* Take the board out of HOST mode and back into MIDI mode ...
|
|
*/
|
|
set_midi_mode_unsafe(s->io_base);
|
|
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
return change;
|
|
}
|
|
|
|
static const struct snd_kcontrol_new midi_mixer_ctl = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "MIDI",
|
|
.info = sscape_midi_info,
|
|
.get = sscape_midi_get,
|
|
.put = sscape_midi_put
|
|
};
|
|
|
|
/*
|
|
* The SoundScape can use two IRQs from a possible set of four.
|
|
* These IRQs are encoded as bit patterns so that they can be
|
|
* written to the control registers.
|
|
*/
|
|
static unsigned get_irq_config(int sscape_type, int irq)
|
|
{
|
|
static const int valid_irq[] = { 9, 5, 7, 10 };
|
|
static const int old_irq[] = { 9, 7, 5, 15 };
|
|
unsigned cfg;
|
|
|
|
if (sscape_type == MEDIA_FX) {
|
|
for (cfg = 0; cfg < ARRAY_SIZE(old_irq); ++cfg)
|
|
if (irq == old_irq[cfg])
|
|
return cfg;
|
|
} else {
|
|
for (cfg = 0; cfg < ARRAY_SIZE(valid_irq); ++cfg)
|
|
if (irq == valid_irq[cfg])
|
|
return cfg;
|
|
}
|
|
|
|
return INVALID_IRQ;
|
|
}
|
|
|
|
/*
|
|
* Perform certain arcane port-checks to see whether there
|
|
* is a SoundScape board lurking behind the given ports.
|
|
*/
|
|
static int detect_sscape(struct soundscape *s, long wss_io)
|
|
{
|
|
unsigned long flags;
|
|
unsigned d;
|
|
int retval = 0;
|
|
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
|
|
/*
|
|
* The following code is lifted from the original OSS driver,
|
|
* and as I don't have a datasheet I cannot really comment
|
|
* on what it is doing...
|
|
*/
|
|
if ((inb(HOST_CTRL_IO(s->io_base)) & 0x78) != 0)
|
|
goto _done;
|
|
|
|
d = inb(ODIE_ADDR_IO(s->io_base)) & 0xf0;
|
|
if ((d & 0x80) != 0)
|
|
goto _done;
|
|
|
|
if (d == 0)
|
|
s->ic_type = IC_ODIE;
|
|
else if ((d & 0x60) != 0)
|
|
s->ic_type = IC_OPUS;
|
|
else
|
|
goto _done;
|
|
|
|
outb(0xfa, ODIE_ADDR_IO(s->io_base));
|
|
if ((inb(ODIE_ADDR_IO(s->io_base)) & 0x9f) != 0x0a)
|
|
goto _done;
|
|
|
|
outb(0xfe, ODIE_ADDR_IO(s->io_base));
|
|
if ((inb(ODIE_ADDR_IO(s->io_base)) & 0x9f) != 0x0e)
|
|
goto _done;
|
|
|
|
outb(0xfe, ODIE_ADDR_IO(s->io_base));
|
|
d = inb(ODIE_DATA_IO(s->io_base));
|
|
if (s->type != SSCAPE_VIVO && (d & 0x9f) != 0x0e)
|
|
goto _done;
|
|
|
|
if (s->ic_type == IC_OPUS)
|
|
activate_ad1845_unsafe(s->io_base);
|
|
|
|
if (s->type == SSCAPE_VIVO)
|
|
wss_io += 4;
|
|
|
|
d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
|
|
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
|
|
|
|
/* wait for WSS codec */
|
|
for (d = 0; d < 500; d++) {
|
|
if ((inb(wss_io) & 0x80) == 0)
|
|
break;
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
msleep(1);
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
}
|
|
|
|
if ((inb(wss_io) & 0x80) != 0)
|
|
goto _done;
|
|
|
|
if (inb(wss_io + 2) == 0xff)
|
|
goto _done;
|
|
|
|
d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f;
|
|
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d);
|
|
|
|
if ((inb(wss_io) & 0x80) != 0)
|
|
s->type = MEDIA_FX;
|
|
|
|
d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG);
|
|
sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0);
|
|
/* wait for WSS codec */
|
|
for (d = 0; d < 500; d++) {
|
|
if ((inb(wss_io) & 0x80) == 0)
|
|
break;
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
msleep(1);
|
|
spin_lock_irqsave(&s->lock, flags);
|
|
}
|
|
|
|
/*
|
|
* SoundScape successfully detected!
|
|
*/
|
|
retval = 1;
|
|
|
|
_done:
|
|
spin_unlock_irqrestore(&s->lock, flags);
|
|
return retval;
|
|
}
|
|
|
|
/*
|
|
* ALSA callback function, called when attempting to open the MIDI device.
|
|
* Check that the MIDI firmware has been loaded, because we don't want
|
|
* to crash the machine. Also check that someone isn't using the hardware
|
|
* IOCTL device.
|
|
*/
|
|
static int mpu401_open(struct snd_mpu401 *mpu)
|
|
{
|
|
if (!verify_mpu401(mpu)) {
|
|
snd_printk(KERN_ERR "sscape: MIDI disabled, "
|
|
"please load firmware\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Initialse an MPU-401 subdevice for MIDI support on the SoundScape.
|
|
*/
|
|
static int create_mpu401(struct snd_card *card, int devnum,
|
|
unsigned long port, int irq)
|
|
{
|
|
struct soundscape *sscape = get_card_soundscape(card);
|
|
struct snd_rawmidi *rawmidi;
|
|
int err;
|
|
|
|
err = snd_mpu401_uart_new(card, devnum, MPU401_HW_MPU401, port,
|
|
MPU401_INFO_INTEGRATED, irq, &rawmidi);
|
|
if (err == 0) {
|
|
struct snd_mpu401 *mpu = rawmidi->private_data;
|
|
mpu->open_input = mpu401_open;
|
|
mpu->open_output = mpu401_open;
|
|
mpu->private_data = sscape;
|
|
|
|
initialise_mpu401(mpu);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
/*
|
|
* Create an AD1845 PCM subdevice on the SoundScape. The AD1845
|
|
* is very much like a CS4231, with a few extra bits. We will
|
|
* try to support at least some of the extra bits by overriding
|
|
* some of the CS4231 callback.
|
|
*/
|
|
static int create_ad1845(struct snd_card *card, unsigned port,
|
|
int irq, int dma1, int dma2)
|
|
{
|
|
register struct soundscape *sscape = get_card_soundscape(card);
|
|
struct snd_wss *chip;
|
|
int err;
|
|
int codec_type = WSS_HW_DETECT;
|
|
|
|
switch (sscape->type) {
|
|
case MEDIA_FX:
|
|
case SSCAPE:
|
|
/*
|
|
* There are some freak examples of early Soundscape cards
|
|
* with CS4231 instead of AD1848/CS4248. Unfortunately, the
|
|
* CS4231 works only in CS4248 compatibility mode on
|
|
* these cards so force it.
|
|
*/
|
|
if (sscape->ic_type != IC_OPUS)
|
|
codec_type = WSS_HW_AD1848;
|
|
break;
|
|
|
|
case SSCAPE_VIVO:
|
|
port += 4;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
err = snd_wss_create(card, port, -1, irq, dma1, dma2,
|
|
codec_type, WSS_HWSHARE_DMA1, &chip);
|
|
if (!err) {
|
|
unsigned long flags;
|
|
|
|
if (sscape->type != SSCAPE_VIVO) {
|
|
/*
|
|
* The input clock frequency on the SoundScape must
|
|
* be 14.31818 MHz, because we must set this register
|
|
* to get the playback to sound correct ...
|
|
*/
|
|
snd_wss_mce_up(chip);
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
snd_wss_out(chip, AD1845_CLOCK, 0x20);
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
snd_wss_mce_down(chip);
|
|
|
|
}
|
|
|
|
err = snd_wss_pcm(chip, 0);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: No PCM device "
|
|
"for AD1845 chip\n");
|
|
goto _error;
|
|
}
|
|
|
|
err = snd_wss_mixer(chip);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: No mixer device "
|
|
"for AD1845 chip\n");
|
|
goto _error;
|
|
}
|
|
if (chip->hardware != WSS_HW_AD1848) {
|
|
err = snd_wss_timer(chip, 0);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: No timer device "
|
|
"for AD1845 chip\n");
|
|
goto _error;
|
|
}
|
|
}
|
|
|
|
if (sscape->type != SSCAPE_VIVO) {
|
|
err = snd_ctl_add(card,
|
|
snd_ctl_new1(&midi_mixer_ctl, chip));
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: Could not create "
|
|
"MIDI mixer control\n");
|
|
goto _error;
|
|
}
|
|
}
|
|
|
|
sscape->chip = chip;
|
|
}
|
|
|
|
_error:
|
|
return err;
|
|
}
|
|
|
|
|
|
/*
|
|
* Create an ALSA soundcard entry for the SoundScape, using
|
|
* the given list of port, IRQ and DMA resources.
|
|
*/
|
|
static int create_sscape(int dev, struct snd_card *card)
|
|
{
|
|
struct soundscape *sscape = get_card_soundscape(card);
|
|
unsigned dma_cfg;
|
|
unsigned irq_cfg;
|
|
unsigned mpu_irq_cfg;
|
|
struct resource *io_res;
|
|
struct resource *wss_res;
|
|
unsigned long flags;
|
|
int err;
|
|
int val;
|
|
const char *name;
|
|
|
|
/*
|
|
* Grab IO ports that we will need to probe so that we
|
|
* can detect and control this hardware ...
|
|
*/
|
|
io_res = request_region(port[dev], 8, "SoundScape");
|
|
if (!io_res) {
|
|
snd_printk(KERN_ERR
|
|
"sscape: can't grab port 0x%lx\n", port[dev]);
|
|
return -EBUSY;
|
|
}
|
|
wss_res = NULL;
|
|
if (sscape->type == SSCAPE_VIVO) {
|
|
wss_res = request_region(wss_port[dev], 4, "SoundScape");
|
|
if (!wss_res) {
|
|
snd_printk(KERN_ERR "sscape: can't grab port 0x%lx\n",
|
|
wss_port[dev]);
|
|
err = -EBUSY;
|
|
goto _release_region;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Grab one DMA channel ...
|
|
*/
|
|
err = request_dma(dma[dev], "SoundScape");
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: can't grab DMA %d\n", dma[dev]);
|
|
goto _release_region;
|
|
}
|
|
|
|
spin_lock_init(&sscape->lock);
|
|
sscape->io_res = io_res;
|
|
sscape->wss_res = wss_res;
|
|
sscape->io_base = port[dev];
|
|
|
|
if (!detect_sscape(sscape, wss_port[dev])) {
|
|
printk(KERN_ERR "sscape: hardware not detected at 0x%x\n",
|
|
sscape->io_base);
|
|
err = -ENODEV;
|
|
goto _release_dma;
|
|
}
|
|
|
|
switch (sscape->type) {
|
|
case MEDIA_FX:
|
|
name = "MediaFX/SoundFX";
|
|
break;
|
|
case SSCAPE:
|
|
name = "Soundscape";
|
|
break;
|
|
case SSCAPE_PNP:
|
|
name = "Soundscape PnP";
|
|
break;
|
|
case SSCAPE_VIVO:
|
|
name = "Soundscape VIVO";
|
|
break;
|
|
default:
|
|
name = "unknown Soundscape";
|
|
break;
|
|
}
|
|
|
|
printk(KERN_INFO "sscape: %s card detected at 0x%x, using IRQ %d, DMA %d\n",
|
|
name, sscape->io_base, irq[dev], dma[dev]);
|
|
|
|
/*
|
|
* Check that the user didn't pass us garbage data ...
|
|
*/
|
|
irq_cfg = get_irq_config(sscape->type, irq[dev]);
|
|
if (irq_cfg == INVALID_IRQ) {
|
|
snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]);
|
|
err = -ENXIO;
|
|
goto _release_dma;
|
|
}
|
|
|
|
mpu_irq_cfg = get_irq_config(sscape->type, mpu_irq[dev]);
|
|
if (mpu_irq_cfg == INVALID_IRQ) {
|
|
snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]);
|
|
err = -ENXIO;
|
|
goto _release_dma;
|
|
}
|
|
|
|
/*
|
|
* Tell the on-board devices where their resources are (I think -
|
|
* I can't be sure without a datasheet ... So many magic values!)
|
|
*/
|
|
spin_lock_irqsave(&sscape->lock, flags);
|
|
|
|
sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2e);
|
|
sscape_write_unsafe(sscape->io_base, GA_SMCFGB_REG, 0x00);
|
|
|
|
/*
|
|
* Enable and configure the DMA channels ...
|
|
*/
|
|
sscape_write_unsafe(sscape->io_base, GA_DMACFG_REG, 0x50);
|
|
dma_cfg = (sscape->ic_type == IC_OPUS ? 0x40 : 0x70);
|
|
sscape_write_unsafe(sscape->io_base, GA_DMAA_REG, dma_cfg);
|
|
sscape_write_unsafe(sscape->io_base, GA_DMAB_REG, 0x20);
|
|
|
|
mpu_irq_cfg |= mpu_irq_cfg << 2;
|
|
val = sscape_read_unsafe(sscape->io_base, GA_HMCTL_REG) & 0xF7;
|
|
if (joystick[dev])
|
|
val |= 8;
|
|
sscape_write_unsafe(sscape->io_base, GA_HMCTL_REG, val | 0x10);
|
|
sscape_write_unsafe(sscape->io_base, GA_INTCFG_REG, 0xf0 | mpu_irq_cfg);
|
|
sscape_write_unsafe(sscape->io_base,
|
|
GA_CDCFG_REG, 0x09 | DMA_8BIT
|
|
| (dma[dev] << 4) | (irq_cfg << 1));
|
|
/*
|
|
* Enable the master IRQ ...
|
|
*/
|
|
sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x80);
|
|
|
|
spin_unlock_irqrestore(&sscape->lock, flags);
|
|
|
|
/*
|
|
* We have now enabled the codec chip, and so we should
|
|
* detect the AD1845 device ...
|
|
*/
|
|
err = create_ad1845(card, wss_port[dev], irq[dev],
|
|
dma[dev], dma2[dev]);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR
|
|
"sscape: No AD1845 device at 0x%lx, IRQ %d\n",
|
|
wss_port[dev], irq[dev]);
|
|
goto _release_dma;
|
|
}
|
|
strcpy(card->driver, "SoundScape");
|
|
strcpy(card->shortname, name);
|
|
snprintf(card->longname, sizeof(card->longname),
|
|
"%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n",
|
|
name, sscape->chip->port, sscape->chip->irq,
|
|
sscape->chip->dma1, sscape->chip->dma2);
|
|
|
|
#define MIDI_DEVNUM 0
|
|
if (sscape->type != SSCAPE_VIVO) {
|
|
err = sscape_upload_bootblock(card);
|
|
if (err >= 0)
|
|
err = sscape_upload_microcode(card, err);
|
|
|
|
if (err == 0) {
|
|
err = create_mpu401(card, MIDI_DEVNUM, port[dev],
|
|
mpu_irq[dev]);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "sscape: Failed to create "
|
|
"MPU-401 device at 0x%lx\n",
|
|
port[dev]);
|
|
goto _release_dma;
|
|
}
|
|
|
|
/*
|
|
* Initialize mixer
|
|
*/
|
|
spin_lock_irqsave(&sscape->lock, flags);
|
|
sscape->midi_vol = 0;
|
|
host_write_ctrl_unsafe(sscape->io_base,
|
|
CMD_SET_MIDI_VOL, 100);
|
|
host_write_ctrl_unsafe(sscape->io_base,
|
|
sscape->midi_vol, 100);
|
|
host_write_ctrl_unsafe(sscape->io_base,
|
|
CMD_XXX_MIDI_VOL, 100);
|
|
host_write_ctrl_unsafe(sscape->io_base,
|
|
sscape->midi_vol, 100);
|
|
host_write_ctrl_unsafe(sscape->io_base,
|
|
CMD_SET_EXTMIDI, 100);
|
|
host_write_ctrl_unsafe(sscape->io_base,
|
|
0, 100);
|
|
host_write_ctrl_unsafe(sscape->io_base, CMD_ACK, 100);
|
|
|
|
set_midi_mode_unsafe(sscape->io_base);
|
|
spin_unlock_irqrestore(&sscape->lock, flags);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now that we have successfully created this sound card,
|
|
* it is safe to store the pointer.
|
|
* NOTE: we only register the sound card's "destructor"
|
|
* function now that our "constructor" has completed.
|
|
*/
|
|
card->private_free = soundscape_free;
|
|
|
|
return 0;
|
|
|
|
_release_dma:
|
|
free_dma(dma[dev]);
|
|
|
|
_release_region:
|
|
release_and_free_resource(wss_res);
|
|
release_and_free_resource(io_res);
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
static int snd_sscape_match(struct device *pdev, unsigned int i)
|
|
{
|
|
/*
|
|
* Make sure we were given ALL of the other parameters.
|
|
*/
|
|
if (port[i] == SNDRV_AUTO_PORT)
|
|
return 0;
|
|
|
|
if (irq[i] == SNDRV_AUTO_IRQ ||
|
|
mpu_irq[i] == SNDRV_AUTO_IRQ ||
|
|
dma[i] == SNDRV_AUTO_DMA) {
|
|
printk(KERN_INFO
|
|
"sscape: insufficient parameters, "
|
|
"need IO, IRQ, MPU-IRQ and DMA\n");
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int snd_sscape_probe(struct device *pdev, unsigned int dev)
|
|
{
|
|
struct snd_card *card;
|
|
struct soundscape *sscape;
|
|
int ret;
|
|
|
|
ret = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
|
|
sizeof(struct soundscape), &card);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
sscape = get_card_soundscape(card);
|
|
sscape->type = SSCAPE;
|
|
|
|
dma[dev] &= 0x03;
|
|
|
|
ret = create_sscape(dev, card);
|
|
if (ret < 0)
|
|
goto _release_card;
|
|
|
|
ret = snd_card_register(card);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "sscape: Failed to register sound card\n");
|
|
goto _release_card;
|
|
}
|
|
dev_set_drvdata(pdev, card);
|
|
return 0;
|
|
|
|
_release_card:
|
|
snd_card_free(card);
|
|
return ret;
|
|
}
|
|
|
|
static int snd_sscape_remove(struct device *devptr, unsigned int dev)
|
|
{
|
|
snd_card_free(dev_get_drvdata(devptr));
|
|
return 0;
|
|
}
|
|
|
|
#define DEV_NAME "sscape"
|
|
|
|
static struct isa_driver snd_sscape_driver = {
|
|
.match = snd_sscape_match,
|
|
.probe = snd_sscape_probe,
|
|
.remove = snd_sscape_remove,
|
|
/* FIXME: suspend/resume */
|
|
.driver = {
|
|
.name = DEV_NAME
|
|
},
|
|
};
|
|
|
|
#ifdef CONFIG_PNP
|
|
static inline int get_next_autoindex(int i)
|
|
{
|
|
while (i < SNDRV_CARDS && port[i] != SNDRV_AUTO_PORT)
|
|
++i;
|
|
return i;
|
|
}
|
|
|
|
|
|
static int sscape_pnp_detect(struct pnp_card_link *pcard,
|
|
const struct pnp_card_device_id *pid)
|
|
{
|
|
static int idx = 0;
|
|
struct pnp_dev *dev;
|
|
struct snd_card *card;
|
|
struct soundscape *sscape;
|
|
int ret;
|
|
|
|
/*
|
|
* Allow this function to fail *quietly* if all the ISA PnP
|
|
* devices were configured using module parameters instead.
|
|
*/
|
|
idx = get_next_autoindex(idx);
|
|
if (idx >= SNDRV_CARDS)
|
|
return -ENOSPC;
|
|
|
|
/*
|
|
* Check that we still have room for another sound card ...
|
|
*/
|
|
dev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
|
|
if (!dev)
|
|
return -ENODEV;
|
|
|
|
if (!pnp_is_active(dev)) {
|
|
if (pnp_activate_dev(dev) < 0) {
|
|
snd_printk(KERN_INFO "sscape: device is inactive\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a new ALSA sound card entry, in anticipation
|
|
* of detecting our hardware ...
|
|
*/
|
|
ret = snd_card_new(&pcard->card->dev,
|
|
index[idx], id[idx], THIS_MODULE,
|
|
sizeof(struct soundscape), &card);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
sscape = get_card_soundscape(card);
|
|
|
|
/*
|
|
* Identify card model ...
|
|
*/
|
|
if (!strncmp("ENS4081", pid->id, 7))
|
|
sscape->type = SSCAPE_VIVO;
|
|
else
|
|
sscape->type = SSCAPE_PNP;
|
|
|
|
/*
|
|
* Read the correct parameters off the ISA PnP bus ...
|
|
*/
|
|
port[idx] = pnp_port_start(dev, 0);
|
|
irq[idx] = pnp_irq(dev, 0);
|
|
mpu_irq[idx] = pnp_irq(dev, 1);
|
|
dma[idx] = pnp_dma(dev, 0) & 0x03;
|
|
if (sscape->type == SSCAPE_PNP) {
|
|
dma2[idx] = dma[idx];
|
|
wss_port[idx] = CODEC_IO(port[idx]);
|
|
} else {
|
|
wss_port[idx] = pnp_port_start(dev, 1);
|
|
dma2[idx] = pnp_dma(dev, 1);
|
|
}
|
|
|
|
ret = create_sscape(idx, card);
|
|
if (ret < 0)
|
|
goto _release_card;
|
|
|
|
ret = snd_card_register(card);
|
|
if (ret < 0) {
|
|
snd_printk(KERN_ERR "sscape: Failed to register sound card\n");
|
|
goto _release_card;
|
|
}
|
|
|
|
pnp_set_card_drvdata(pcard, card);
|
|
++idx;
|
|
return 0;
|
|
|
|
_release_card:
|
|
snd_card_free(card);
|
|
return ret;
|
|
}
|
|
|
|
static void sscape_pnp_remove(struct pnp_card_link *pcard)
|
|
{
|
|
snd_card_free(pnp_get_card_drvdata(pcard));
|
|
pnp_set_card_drvdata(pcard, NULL);
|
|
}
|
|
|
|
static struct pnp_card_driver sscape_pnpc_driver = {
|
|
.flags = PNP_DRIVER_RES_DO_NOT_CHANGE,
|
|
.name = "sscape",
|
|
.id_table = sscape_pnpids,
|
|
.probe = sscape_pnp_detect,
|
|
.remove = sscape_pnp_remove,
|
|
};
|
|
|
|
#endif /* CONFIG_PNP */
|
|
|
|
static int __init sscape_init(void)
|
|
{
|
|
int err;
|
|
|
|
err = isa_register_driver(&snd_sscape_driver, SNDRV_CARDS);
|
|
#ifdef CONFIG_PNP
|
|
if (!err)
|
|
isa_registered = 1;
|
|
|
|
err = pnp_register_card_driver(&sscape_pnpc_driver);
|
|
if (!err)
|
|
pnp_registered = 1;
|
|
|
|
if (isa_registered)
|
|
err = 0;
|
|
#endif
|
|
return err;
|
|
}
|
|
|
|
static void __exit sscape_exit(void)
|
|
{
|
|
#ifdef CONFIG_PNP
|
|
if (pnp_registered)
|
|
pnp_unregister_card_driver(&sscape_pnpc_driver);
|
|
if (isa_registered)
|
|
#endif
|
|
isa_unregister_driver(&snd_sscape_driver);
|
|
}
|
|
|
|
module_init(sscape_init);
|
|
module_exit(sscape_exit);
|