diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/isa/sscape.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/isa/sscape.c | 1359 |
1 files changed, 0 insertions, 1359 deletions
diff --git a/ANDROID_3.4.5/sound/isa/sscape.c b/ANDROID_3.4.5/sound/isa/sscape.c deleted file mode 100644 index 8490f597..00000000 --- a/ANDROID_3.4.5/sound/isa/sscape.c +++ /dev/null @@ -1,1359 +0,0 @@ -/* - * 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/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_array(port, long, NULL, 0444); -MODULE_PARM_DESC(port, "Port # for SoundScape driver."); - -module_param_array(wss_port, long, NULL, 0444); -MODULE_PARM_DESC(wss_port, "WSS Port # for SoundScape driver."); - -module_param_array(irq, int, NULL, 0444); -MODULE_PARM_DESC(irq, "IRQ # for SoundScape driver."); - -module_param_array(mpu_irq, int, NULL, 0444); -MODULE_PARM_DESC(mpu_irq, "MPU401 IRQ # for SoundScape driver."); - -module_param_array(dma, int, NULL, 0444); -MODULE_PARM_DESC(dma, "DMA # for SoundScape driver."); - -module_param_array(dma2, int, 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 %d 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 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 __devinit 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 __devinit 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 __devinit 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 __devinit 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; - struct snd_pcm *pcm; - - 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, &pcm); - 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, NULL); - 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 __devinit 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 __devinit 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 __devinit snd_sscape_probe(struct device *pdev, unsigned int dev) -{ - struct snd_card *card; - struct soundscape *sscape; - int ret; - - ret = snd_card_create(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; - snd_card_set_dev(card, pdev); - - 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 __devexit snd_sscape_remove(struct device *devptr, unsigned int dev) -{ - snd_card_free(dev_get_drvdata(devptr)); - dev_set_drvdata(devptr, NULL); - return 0; -} - -#define DEV_NAME "sscape" - -static struct isa_driver snd_sscape_driver = { - .match = snd_sscape_match, - .probe = snd_sscape_probe, - .remove = __devexit_p(snd_sscape_remove), - /* FIXME: suspend/resume */ - .driver = { - .name = DEV_NAME - }, -}; - -#ifdef CONFIG_PNP -static inline int __devinit get_next_autoindex(int i) -{ - while (i < SNDRV_CARDS && port[i] != SNDRV_AUTO_PORT) - ++i; - return i; -} - - -static int __devinit 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_create(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); - } - snd_card_set_dev(card, &pcard->card->dev); - - 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 __devexit 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 = __devexit_p(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); |