| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jaroslav Kysela | 3240 | 59.68% | 7 | 17.07% |
| Krzysztof Helt | 1695 | 31.22% | 13 | 31.71% |
| Takashi Iwai | 406 | 7.48% | 9 | 21.95% |
| René Herman | 37 | 0.68% | 3 | 7.32% |
| David Howells | 18 | 0.33% | 1 | 2.44% |
| Julia Lawall | 12 | 0.22% | 1 | 2.44% |
| Clemens Ladisch | 8 | 0.15% | 1 | 2.44% |
| Rusty Russell | 6 | 0.11% | 1 | 2.44% |
| Arnd Bergmann | 3 | 0.06% | 1 | 2.44% |
| William Breathitt Gray | 1 | 0.02% | 1 | 2.44% |
| Paul Gortmaker | 1 | 0.02% | 1 | 2.44% |
| Bhumika Goyal | 1 | 0.02% | 1 | 2.44% |
| Arvind Yadav | 1 | 0.02% | 1 | 2.44% |
| Total | 5429 | 41 |
/* * 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 const 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);
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