diff options
Diffstat (limited to 'sound/oss/esssolo1.c')
| -rw-r--r-- | sound/oss/esssolo1.c | 2516 |
1 files changed, 0 insertions, 2516 deletions
diff --git a/sound/oss/esssolo1.c b/sound/oss/esssolo1.c deleted file mode 100644 index 82f40a0..0000000 --- a/sound/oss/esssolo1.c +++ /dev/null @@ -1,2516 +0,0 @@ -/****************************************************************************/ - -/* - * esssolo1.c -- ESS Technology Solo1 (ES1946) audio driver. - * - * Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch) - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Module command line parameters: - * none so far - * - * Supported devices: - * /dev/dsp standard /dev/dsp device, (mostly) OSS compatible - * /dev/mixer standard /dev/mixer device, (mostly) OSS compatible - * /dev/midi simple MIDI UART interface, no ioctl - * - * Revision history - * 10.11.1998 0.1 Initial release (without any hardware) - * 22.03.1999 0.2 cinfo.blocks should be reset after GETxPTR ioctl. - * reported by Johan Maes <joma@telindus.be> - * return EAGAIN instead of EBUSY when O_NONBLOCK - * read/write cannot be executed - * 07.04.1999 0.3 implemented the following ioctl's: SOUND_PCM_READ_RATE, - * SOUND_PCM_READ_CHANNELS, SOUND_PCM_READ_BITS; - * Alpha fixes reported by Peter Jones <pjones@redhat.com> - * 15.06.1999 0.4 Fix bad allocation bug. - * Thanks to Deti Fliegl <fliegl@in.tum.de> - * 28.06.1999 0.5 Add pci_set_master - * 12.08.1999 0.6 Fix MIDI UART crashing the driver - * Changed mixer semantics from OSS documented - * behaviour to OSS "code behaviour". - * Recording might actually work now. - * The real DDMA controller address register is at PCI config - * 0x60, while the register at 0x18 is used as a placeholder - * register for BIOS address allocation. This register - * is supposed to be copied into 0x60, according - * to the Solo1 datasheet. When I do that, I can access - * the DDMA registers except the mask bit, which - * is stuck at 1. When I copy the contents of 0x18 +0x10 - * to the DDMA base register, everything seems to work. - * The fun part is that the Windows Solo1 driver doesn't - * seem to do these tricks. - * Bugs remaining: plops and clicks when starting/stopping playback - * 31.08.1999 0.7 add spin_lock_init - * replaced current->state = x with set_current_state(x) - * 03.09.1999 0.8 change read semantics for MIDI to match - * OSS more closely; remove possible wakeup race - * 07.10.1999 0.9 Fix initialization; complain if sequencer writes time out - * Revised resource grabbing for the FM synthesizer - * 28.10.1999 0.10 More waitqueue races fixed - * 09.12.1999 0.11 Work around stupid Alpha port issue (virt_to_bus(kmalloc(GFP_DMA)) > 16M) - * Disabling recording on Alpha - * 12.01.2000 0.12 Prevent some ioctl's from returning bad count values on underrun/overrun; - * Tim Janik's BSE (Bedevilled Sound Engine) found this - * Integrated (aka redid 8-)) APM support patch by Zach Brown - * 07.02.2000 0.13 Use pci_alloc_consistent and pci_register_driver - * 19.02.2000 0.14 Use pci_dma_supported to determine if recording should be disabled - * 13.03.2000 0.15 Reintroduce initialization of a couple of PCI config space registers - * 21.11.2000 0.16 Initialize dma buffers in poll, otherwise poll may return a bogus mask - * 12.12.2000 0.17 More dma buffer initializations, patch from - * Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com> - * 31.01.2001 0.18 Register/Unregister gameport, original patch from - * Nathaniel Daw <daw@cs.cmu.edu> - * Fix SETTRIGGER non OSS API conformity - * 10.03.2001 provide abs function, prevent picking up a bogus kernel macro - * for abs. Bug report by Andrew Morton <andrewm@uow.edu.au> - * 15.05.2001 pci_enable_device moved, return values in probe cleaned - * up. Marcus Meissner <mm@caldera.de> - * 22.05.2001 0.19 more cleanups, changed PM to PCI 2.4 style, got rid - * of global list of devices, using pci device data. - * Marcus Meissner <mm@caldera.de> - * 03.01.2003 0.20 open_mode fixes from Georg Acher <acher@in.tum.de> - */ - -/*****************************************************************************/ - -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/sound.h> -#include <linux/slab.h> -#include <linux/soundcard.h> -#include <linux/pci.h> -#include <linux/bitops.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/spinlock.h> -#include <linux/smp_lock.h> -#include <linux/gameport.h> -#include <linux/wait.h> -#include <linux/dma-mapping.h> -#include <linux/mutex.h> - - -#include <asm/io.h> -#include <asm/page.h> -#include <asm/uaccess.h> - -#include "dm.h" - -/* --------------------------------------------------------------------- */ - -#undef OSS_DOCUMENTED_MIXER_SEMANTICS - -/* --------------------------------------------------------------------- */ - -#ifndef PCI_VENDOR_ID_ESS -#define PCI_VENDOR_ID_ESS 0x125d -#endif -#ifndef PCI_DEVICE_ID_ESS_SOLO1 -#define PCI_DEVICE_ID_ESS_SOLO1 0x1969 -#endif - -#define SOLO1_MAGIC ((PCI_VENDOR_ID_ESS<<16)|PCI_DEVICE_ID_ESS_SOLO1) - -#define DDMABASE_OFFSET 0 /* chip bug workaround kludge */ -#define DDMABASE_EXTENT 16 - -#define IOBASE_EXTENT 16 -#define SBBASE_EXTENT 16 -#define VCBASE_EXTENT (DDMABASE_EXTENT+DDMABASE_OFFSET) -#define MPUBASE_EXTENT 4 -#define GPBASE_EXTENT 4 -#define GAMEPORT_EXTENT 4 - -#define FMSYNTH_EXTENT 4 - -/* MIDI buffer sizes */ - -#define MIDIINBUF 256 -#define MIDIOUTBUF 256 - -#define FMODE_MIDI_SHIFT 3 -#define FMODE_MIDI_READ (FMODE_READ << FMODE_MIDI_SHIFT) -#define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT) - -#define FMODE_DMFM 0x10 - -#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) -#define SUPPORT_JOYSTICK 1 -#endif - -static struct pci_driver solo1_driver; - -/* --------------------------------------------------------------------- */ - -struct solo1_state { - /* magic */ - unsigned int magic; - - /* the corresponding pci_dev structure */ - struct pci_dev *dev; - - /* soundcore stuff */ - int dev_audio; - int dev_mixer; - int dev_midi; - int dev_dmfm; - - /* hardware resources */ - unsigned long iobase, sbbase, vcbase, ddmabase, mpubase; /* long for SPARC */ - unsigned int irq; - - /* mixer registers */ - struct { - unsigned short vol[10]; - unsigned int recsrc; - unsigned int modcnt; - unsigned short micpreamp; - } mix; - - /* wave stuff */ - unsigned fmt; - unsigned channels; - unsigned rate; - unsigned char clkdiv; - unsigned ena; - - spinlock_t lock; - struct mutex open_mutex; - mode_t open_mode; - wait_queue_head_t open_wait; - - struct dmabuf { - void *rawbuf; - dma_addr_t dmaaddr; - unsigned buforder; - unsigned numfrag; - unsigned fragshift; - unsigned hwptr, swptr; - unsigned total_bytes; - int count; - unsigned error; /* over/underrun */ - wait_queue_head_t wait; - /* redundant, but makes calculations easier */ - unsigned fragsize; - unsigned dmasize; - unsigned fragsamples; - /* OSS stuff */ - unsigned mapped:1; - unsigned ready:1; - unsigned endcleared:1; - unsigned enabled:1; - unsigned ossfragshift; - int ossmaxfrags; - unsigned subdivision; - } dma_dac, dma_adc; - - /* midi stuff */ - struct { - unsigned ird, iwr, icnt; - unsigned ord, owr, ocnt; - wait_queue_head_t iwait; - wait_queue_head_t owait; - struct timer_list timer; - unsigned char ibuf[MIDIINBUF]; - unsigned char obuf[MIDIOUTBUF]; - } midi; - -#if SUPPORT_JOYSTICK - struct gameport *gameport; -#endif -}; - -/* --------------------------------------------------------------------- */ - -static inline void write_seq(struct solo1_state *s, unsigned char data) -{ - int i; - unsigned long flags; - - /* the local_irq_save stunt is to send the data within the command window */ - for (i = 0; i < 0xffff; i++) { - local_irq_save(flags); - if (!(inb(s->sbbase+0xc) & 0x80)) { - outb(data, s->sbbase+0xc); - local_irq_restore(flags); - return; - } - local_irq_restore(flags); - } - printk(KERN_ERR "esssolo1: write_seq timeout\n"); - outb(data, s->sbbase+0xc); -} - -static inline int read_seq(struct solo1_state *s, unsigned char *data) -{ - int i; - - if (!data) - return 0; - for (i = 0; i < 0xffff; i++) - if (inb(s->sbbase+0xe) & 0x80) { - *data = inb(s->sbbase+0xa); - return 1; - } - printk(KERN_ERR "esssolo1: read_seq timeout\n"); - return 0; -} - -static inline int reset_ctrl(struct solo1_state *s) -{ - int i; - - outb(3, s->sbbase+6); /* clear sequencer and FIFO */ - udelay(10); - outb(0, s->sbbase+6); - for (i = 0; i < 0xffff; i++) - if (inb(s->sbbase+0xe) & 0x80) - if (inb(s->sbbase+0xa) == 0xaa) { - write_seq(s, 0xc6); /* enter enhanced mode */ - return 1; - } - return 0; -} - -static void write_ctrl(struct solo1_state *s, unsigned char reg, unsigned char data) -{ - write_seq(s, reg); - write_seq(s, data); -} - -#if 0 /* unused */ -static unsigned char read_ctrl(struct solo1_state *s, unsigned char reg) -{ - unsigned char r; - - write_seq(s, 0xc0); - write_seq(s, reg); - read_seq(s, &r); - return r; -} -#endif /* unused */ - -static void write_mixer(struct solo1_state *s, unsigned char reg, unsigned char data) -{ - outb(reg, s->sbbase+4); - outb(data, s->sbbase+5); -} - -static unsigned char read_mixer(struct solo1_state *s, unsigned char reg) -{ - outb(reg, s->sbbase+4); - return inb(s->sbbase+5); -} - -/* --------------------------------------------------------------------- */ - -static inline unsigned ld2(unsigned int x) -{ - unsigned r = 0; - - if (x >= 0x10000) { - x >>= 16; - r += 16; - } - if (x >= 0x100) { - x >>= 8; - r += 8; - } - if (x >= 0x10) { - x >>= 4; - r += 4; - } - if (x >= 4) { - x >>= 2; - r += 2; - } - if (x >= 2) - r++; - return r; -} - -/* --------------------------------------------------------------------- */ - -static inline void stop_dac(struct solo1_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - s->ena &= ~FMODE_WRITE; - write_mixer(s, 0x78, 0x10); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void start_dac(struct solo1_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - if (!(s->ena & FMODE_WRITE) && (s->dma_dac.mapped || s->dma_dac.count > 0) && s->dma_dac.ready) { - s->ena |= FMODE_WRITE; - write_mixer(s, 0x78, 0x12); - udelay(10); - write_mixer(s, 0x78, 0x13); - } - spin_unlock_irqrestore(&s->lock, flags); -} - -static inline void stop_adc(struct solo1_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - s->ena &= ~FMODE_READ; - write_ctrl(s, 0xb8, 0xe); - spin_unlock_irqrestore(&s->lock, flags); -} - -static void start_adc(struct solo1_state *s) -{ - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - if (!(s->ena & FMODE_READ) && (s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize)) - && s->dma_adc.ready) { - s->ena |= FMODE_READ; - write_ctrl(s, 0xb8, 0xf); -#if 0 - printk(KERN_DEBUG "solo1: DMAbuffer: 0x%08lx\n", (long)s->dma_adc.rawbuf); - printk(KERN_DEBUG "solo1: DMA: mask: 0x%02x cnt: 0x%04x addr: 0x%08x stat: 0x%02x\n", - inb(s->ddmabase+0xf), inw(s->ddmabase+4), inl(s->ddmabase), inb(s->ddmabase+8)); -#endif - outb(0, s->ddmabase+0xd); /* master reset */ - outb(1, s->ddmabase+0xf); /* mask */ - outb(0x54/*0x14*/, s->ddmabase+0xb); /* DMA_MODE_READ | DMA_MODE_AUTOINIT */ - outl(virt_to_bus(s->dma_adc.rawbuf), s->ddmabase); - outw(s->dma_adc.dmasize-1, s->ddmabase+4); - outb(0, s->ddmabase+0xf); - } - spin_unlock_irqrestore(&s->lock, flags); -#if 0 - printk(KERN_DEBUG "solo1: start DMA: reg B8: 0x%02x SBstat: 0x%02x\n" - KERN_DEBUG "solo1: DMA: stat: 0x%02x cnt: 0x%04x mask: 0x%02x\n", - read_ctrl(s, 0xb8), inb(s->sbbase+0xc), - inb(s->ddmabase+8), inw(s->ddmabase+4), inb(s->ddmabase+0xf)); - printk(KERN_DEBUG "solo1: A1: 0x%02x A2: 0x%02x A4: 0x%02x A5: 0x%02x A8: 0x%02x\n" - KERN_DEBUG "solo1: B1: 0x%02x B2: 0x%02x B4: 0x%02x B7: 0x%02x B8: 0x%02x B9: 0x%02x\n", - read_ctrl(s, 0xa1), read_ctrl(s, 0xa2), read_ctrl(s, 0xa4), read_ctrl(s, 0xa5), read_ctrl(s, 0xa8), - read_ctrl(s, 0xb1), read_ctrl(s, 0xb2), read_ctrl(s, 0xb4), read_ctrl(s, 0xb7), read_ctrl(s, 0xb8), - read_ctrl(s, 0xb9)); -#endif -} - -/* --------------------------------------------------------------------- */ - -#define DMABUF_DEFAULTORDER (15-PAGE_SHIFT) -#define DMABUF_MINORDER 1 - -static inline void dealloc_dmabuf(struct solo1_state *s, struct dmabuf *db) -{ - struct page *page, *pend; - - if (db->rawbuf) { - /* undo marking the pages as reserved */ - pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); - for (page = virt_to_page(db->rawbuf); page <= pend; page++) - ClearPageReserved(page); - pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr); - } - db->rawbuf = NULL; - db->mapped = db->ready = 0; -} - -static int prog_dmabuf(struct solo1_state *s, struct dmabuf *db) -{ - int order; - unsigned bytespersec; - unsigned bufs, sample_shift = 0; - struct page *page, *pend; - - db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0; - if (!db->rawbuf) { - db->ready = db->mapped = 0; - for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--) - if ((db->rawbuf = pci_alloc_consistent(s->dev, PAGE_SIZE << order, &db->dmaaddr))) - break; - if (!db->rawbuf) - return -ENOMEM; - db->buforder = order; - /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */ - pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1); - for (page = virt_to_page(db->rawbuf); page <= pend; page++) - SetPageReserved(page); - } - if (s->fmt & (AFMT_S16_LE | AFMT_U16_LE)) - sample_shift++; - if (s->channels > 1) - sample_shift++; - bytespersec = s->rate << sample_shift; - bufs = PAGE_SIZE << db->buforder; - if (db->ossfragshift) { - if ((1000 << db->ossfragshift) < bytespersec) - db->fragshift = ld2(bytespersec/1000); - else - db->fragshift = db->ossfragshift; - } else { - db->fragshift = ld2(bytespersec/100/(db->subdivision ? db->subdivision : 1)); - if (db->fragshift < 3) - db->fragshift = 3; - } - db->numfrag = bufs >> db->fragshift; - while (db->numfrag < 4 && db->fragshift > 3) { - db->fragshift--; - db->numfrag = bufs >> db->fragshift; - } - db->fragsize = 1 << db->fragshift; - if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag) - db->numfrag = db->ossmaxfrags; - db->fragsamples = db->fragsize >> sample_shift; - db->dmasize = db->numfrag << db->fragshift; - db->enabled = 1; - return 0; -} - -static inline int prog_dmabuf_adc(struct solo1_state *s) -{ - unsigned long va; - int c; - - stop_adc(s); - /* check if PCI implementation supports 24bit busmaster DMA */ - if (s->dev->dma_mask > 0xffffff) - return -EIO; - if ((c = prog_dmabuf(s, &s->dma_adc))) - return c; - va = s->dma_adc.dmaaddr; - if ((va & ~((1<<24)-1))) - panic("solo1: buffer above 16M boundary"); - outb(0, s->ddmabase+0xd); /* clear */ - outb(1, s->ddmabase+0xf); /* mask */ - /*outb(0, s->ddmabase+8);*/ /* enable (enable is active low!) */ - outb(0x54, s->ddmabase+0xb); /* DMA_MODE_READ | DMA_MODE_AUTOINIT */ - outl(va, s->ddmabase); - outw(s->dma_adc.dmasize-1, s->ddmabase+4); - c = - s->dma_adc.fragsamples; - write_ctrl(s, 0xa4, c); - write_ctrl(s, 0xa5, c >> 8); - outb(0, s->ddmabase+0xf); - s->dma_adc.ready = 1; - return 0; -} - -static int prog_dmabuf_dac(struct solo1_state *s) -{ - unsigned long va; - int c; - - stop_dac(s); - if ((c = prog_dmabuf(s, &s->dma_dac))) - return c; - memset(s->dma_dac.rawbuf, (s->fmt & (AFMT_U8 | AFMT_U16_LE)) ? 0 : 0x80, s->dma_dac.dmasize); /* almost correct for U16 */ - va = s->dma_dac.dmaaddr; - if ((va ^ (va + s->dma_dac.dmasize - 1)) & ~((1<<20)-1)) - panic("solo1: buffer crosses 1M boundary"); - outl(va, s->iobase); - /* warning: s->dma_dac.dmasize & 0xffff must not be zero! i.e. this limits us to a 32k buffer */ - outw(s->dma_dac.dmasize, s->iobase+4); - c = - s->dma_dac.fragsamples; - write_mixer(s, 0x74, c); - write_mixer(s, 0x76, c >> 8); - outb(0xa, s->iobase+6); - s->dma_dac.ready = 1; - return 0; -} - -static inline void clear_advance(void *buf, unsigned bsize, unsigned bptr, unsigned len, unsigned char c) -{ - if (bptr + len > bsize) { - unsigned x = bsize - bptr; - memset(((char *)buf) + bptr, c, x); - bptr = 0; - len -= x; - } - memset(((char *)buf) + bptr, c, len); -} - -/* call with spinlock held! */ - -static void solo1_update_ptr(struct solo1_state *s) -{ - int diff; - unsigned hwptr; - - /* update ADC pointer */ - if (s->ena & FMODE_READ) { - hwptr = (s->dma_adc.dmasize - 1 - inw(s->ddmabase+4)) % s->dma_adc.dmasize; - diff = (s->dma_adc.dmasize + hwptr - s->dma_adc.hwptr) % s->dma_adc.dmasize; - s->dma_adc.hwptr = hwptr; - s->dma_adc.total_bytes += diff; - s->dma_adc.count += diff; -#if 0 - printk(KERN_DEBUG "solo1: rd: hwptr %u swptr %u dmasize %u count %u\n", - s->dma_adc.hwptr, s->dma_adc.swptr, s->dma_adc.dmasize, s->dma_adc.count); -#endif - if (s->dma_adc.mapped) { - if (s->dma_adc.count >= (signed)s->dma_adc.fragsize) - wake_up(&s->dma_adc.wait); - } else { - if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) { - s->ena &= ~FMODE_READ; - write_ctrl(s, 0xb8, 0xe); - s->dma_adc.error++; - } - if (s->dma_adc.count > 0) - wake_up(&s->dma_adc.wait); - } - } - /* update DAC pointer */ - if (s->ena & FMODE_WRITE) { - hwptr = (s->dma_dac.dmasize - inw(s->iobase+4)) % s->dma_dac.dmasize; - diff = (s->dma_dac.dmasize + hwptr - s->dma_dac.hwptr) % s->dma_dac.dmasize; - s->dma_dac.hwptr = hwptr; - s->dma_dac.total_bytes += diff; -#if 0 - printk(KERN_DEBUG "solo1: wr: hwptr %u swptr %u dmasize %u count %u\n", - s->dma_dac.hwptr, s->dma_dac.swptr, s->dma_dac.dmasize, s->dma_dac.count); -#endif - if (s->dma_dac.mapped) { - s->dma_dac.count += diff; - if (s->dma_dac.count >= (signed)s->dma_dac.fragsize) - wake_up(&s->dma_dac.wait); - } else { - s->dma_dac.count -= diff; - if (s->dma_dac.count <= 0) { - s->ena &= ~FMODE_WRITE; - write_mixer(s, 0x78, 0x12); - s->dma_dac.error++; - } else if (s->dma_dac.count <= (signed)s->dma_dac.fragsize && !s->dma_dac.endcleared) { - clear_advance(s->dma_dac.rawbuf, s->dma_dac.dmasize, s->dma_dac.swptr, - s->dma_dac.fragsize, (s->fmt & (AFMT_U8 | AFMT_U16_LE)) ? 0 : 0x80); - s->dma_dac.endcleared = 1; - } - if (s->dma_dac.count < (signed)s->dma_dac.dmasize) - wake_up(&s->dma_dac.wait); - } - } -} - -/* --------------------------------------------------------------------- */ - -static void prog_codec(struct solo1_state *s) -{ - unsigned long flags; - int fdiv, filter; - unsigned char c; - - reset_ctrl(s); - write_seq(s, 0xd3); - /* program sampling rates */ - filter = s->rate * 9 / 20; /* Set filter roll-off to 90% of rate/2 */ - fdiv = 256 - 7160000 / (filter * 82); - spin_lock_irqsave(&s->lock, flags); - write_ctrl(s, 0xa1, s->clkdiv); - write_ctrl(s, 0xa2, fdiv); - write_mixer(s, 0x70, s->clkdiv); - write_mixer(s, 0x72, fdiv); - /* program ADC parameters */ - write_ctrl(s, 0xb8, 0xe); - write_ctrl(s, 0xb9, /*0x1*/0); - write_ctrl(s, 0xa8, (s->channels > 1) ? 0x11 : 0x12); - c = 0xd0; - if (s->fmt & (AFMT_S16_LE | AFMT_U16_LE)) - c |= 0x04; - if (s->fmt & (AFMT_S16_LE | AFMT_S8)) - c |= 0x20; - if (s->channels > 1) - c ^= 0x48; - write_ctrl(s, 0xb7, (c & 0x70) | 1); - write_ctrl(s, 0xb7, c); - write_ctrl(s, 0xb1, 0x50); - write_ctrl(s, 0xb2, 0x50); - /* program DAC parameters */ - c = 0x40; - if (s->fmt & (AFMT_S16_LE | AFMT_U16_LE)) - c |= 1; - if (s->fmt & (AFMT_S16_LE | AFMT_S8)) - c |= 4; - if (s->channels > 1) - c |= 2; - write_mixer(s, 0x7a, c); - write_mixer(s, 0x78, 0x10); - s->ena = 0; - spin_unlock_irqrestore(&s->lock, flags); -} - -/* --------------------------------------------------------------------- */ - -static const char invalid_magic[] = KERN_CRIT "solo1: invalid magic value\n"; - -#define VALIDATE_STATE(s) \ -({ \ - if (!(s) || (s)->magic != SOLO1_MAGIC) { \ - printk(invalid_magic); \ - return -ENXIO; \ - } \ -}) - -/* --------------------------------------------------------------------- */ - -static int mixer_ioctl(struct solo1_state *s, unsigned int cmd, unsigned long arg) -{ - static const unsigned int mixer_src[8] = { - SOUND_MASK_MIC, SOUND_MASK_MIC, SOUND_MASK_CD, SOUND_MASK_VOLUME, - SOUND_MASK_MIC, 0, SOUND_MASK_LINE, 0 - }; - static const unsigned char mixtable1[SOUND_MIXER_NRDEVICES] = { - [SOUND_MIXER_PCM] = 1, /* voice */ - [SOUND_MIXER_SYNTH] = 2, /* FM */ - [SOUND_MIXER_CD] = 3, /* CD */ - [SOUND_MIXER_LINE] = 4, /* Line */ - [SOUND_MIXER_LINE1] = 5, /* AUX */ - [SOUND_MIXER_MIC] = 6, /* Mic */ - [SOUND_MIXER_LINE2] = 7, /* Mono in */ - [SOUND_MIXER_SPEAKER] = 8, /* Speaker */ - [SOUND_MIXER_RECLEV] = 9, /* Recording level */ - [SOUND_MIXER_VOLUME] = 10 /* Master Volume */ - }; - static const unsigned char mixreg[] = { - 0x7c, /* voice */ - 0x36, /* FM */ - 0x38, /* CD */ - 0x3e, /* Line */ - 0x3a, /* AUX */ - 0x1a, /* Mic */ - 0x6d /* Mono in */ - }; - unsigned char l, r, rl, rr, vidx; - int i, val; - int __user *p = (int __user *)arg; - - VALIDATE_STATE(s); - - if (cmd == SOUND_MIXER_PRIVATE1) { - /* enable/disable/query mixer preamp */ - if (get_user(val, p)) - return -EFAULT; - if (val != -1) { - val = val ? 0xff : 0xf7; - write_mixer(s, 0x7d, (read_mixer(s, 0x7d) | 0x08) & val); - } - val = (read_mixer(s, 0x7d) & 0x08) ? 1 : 0; - return put_user(val, p); - } - if (cmd == SOUND_MIXER_PRIVATE2) { - /* enable/disable/query spatializer */ - if (get_user(val, p)) - return -EFAULT; - if (val != -1) { - val &= 0x3f; - write_mixer(s, 0x52, val); - write_mixer(s, 0x50, val ? 0x08 : 0); - } - return put_user(read_mixer(s, 0x52), p); - } - if (cmd == SOUND_MIXER_INFO) { - mixer_info info; - strncpy(info.id, "Solo1", sizeof(info.id)); - strncpy(info.name, "ESS Solo1", sizeof(info.name)); - info.modify_counter = s->mix.modcnt; - if (copy_to_user((void __user *)arg, &info, sizeof(info))) - return -EFAULT; - return 0; - } - if (cmd == SOUND_OLD_MIXER_INFO) { - _old_mixer_info info; - strncpy(info.id, "Solo1", sizeof(info.id)); - strncpy(info.name, "ESS Solo1", sizeof(info.name)); - if (copy_to_user((void __user *)arg, &info, sizeof(info))) - return -EFAULT; - return 0; - } - if (cmd == OSS_GETVERSION) - return put_user(SOUND_VERSION, p); - if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int)) - return -EINVAL; - if (_SIOC_DIR(cmd) == _SIOC_READ) { - switch (_IOC_NR(cmd)) { - case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ - return put_user(mixer_src[read_mixer(s, 0x1c) & 7], p); - - case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */ - return put_user(SOUND_MASK_PCM | SOUND_MASK_SYNTH | SOUND_MASK_CD | - SOUND_MASK_LINE | SOUND_MASK_LINE1 | SOUND_MASK_MIC | - SOUND_MASK_VOLUME | SOUND_MASK_LINE2 | SOUND_MASK_RECLEV | - SOUND_MASK_SPEAKER, p); - - case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */ - return put_user(SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME, p); - - case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */ - return put_user(SOUND_MASK_PCM | SOUND_MASK_SYNTH | SOUND_MASK_CD | - SOUND_MASK_LINE | SOUND_MASK_LINE1 | SOUND_MASK_MIC | - SOUND_MASK_VOLUME | SOUND_MASK_LINE2 | SOUND_MASK_RECLEV, p); - - case SOUND_MIXER_CAPS: - return put_user(SOUND_CAP_EXCL_INPUT, p); - - default: - i = _IOC_NR(cmd); - if (i >= SOUND_MIXER_NRDEVICES || !(vidx = mixtable1[i])) - return -EINVAL; - return put_user(s->mix.vol[vidx-1], p); - } - } - if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE)) - return -EINVAL; - s->mix.modcnt++; - switch (_IOC_NR(cmd)) { - case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */ -#if 0 - { - static const unsigned char regs[] = { - 0x1c, 0x1a, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 0x60, 0x62, 0x6d, 0x7c - }; - int i; - - for (i = 0; i < sizeof(regs); i++) - printk(KERN_DEBUG "solo1: mixer reg 0x%02x: 0x%02x\n", - regs[i], read_mixer(s, regs[i])); - printk(KERN_DEBUG "solo1: ctrl reg 0x%02x: 0x%02x\n", - 0xb4, read_ctrl(s, 0xb4)); - } -#endif - if (get_user(val, p)) - return -EFAULT; - i = hweight32(val); - if (i == 0) - return 0; - else if (i > 1) - val &= ~mixer_src[read_mixer(s, 0x1c) & 7]; - for (i = 0; i < 8; i++) { - if (mixer_src[i] & val) - break; - } - if (i > 7) - return 0; - write_mixer(s, 0x1c, i); - return 0; - - case SOUND_MIXER_VOLUME: - if (get_user(val, p)) - return -EFAULT; - l = val & 0xff; - if (l > 100) - l = 100; - r = (val >> 8) & 0xff; - if (r > 100) - r = 100; - if (l < 6) { - rl = 0x40; - l = 0; - } else { - rl = (l * 2 - 11) / 3; - l = (rl * 3 + 11) / 2; - } - if (r < 6) { - rr = 0x40; - r = 0; - } else { - rr = (r * 2 - 11) / 3; - r = (rr * 3 + 11) / 2; - } - write_mixer(s, 0x60, rl); - write_mixer(s, 0x62, rr); -#ifdef OSS_DOCUMENTED_MIXER_SEMANTICS - s->mix.vol[9] = ((unsigned int)r << 8) | l; -#else - s->mix.vol[9] = val; -#endif - return put_user(s->mix.vol[9], p); - - case SOUND_MIXER_SPEAKER: - if (get_user(val, p)) - return -EFAULT; - l = val & 0xff; - if (l > 100) - l = 100; - else if (l < 2) - l = 2; - rl = (l - 2) / 14; - l = rl * 14 + 2; - write_mixer(s, 0x3c, rl); -#ifdef OSS_DOCUMENTED_MIXER_SEMANTICS - s->mix.vol[7] = l * 0x101; -#else - s->mix.vol[7] = val; -#endif - return put_user(s->mix.vol[7], p); - - case SOUND_MIXER_RECLEV: - if (get_user(val, p)) - return -EFAULT; - l = (val << 1) & 0x1fe; - if (l > 200) - l = 200; - else if (l < 5) - l = 5; - r = (val >> 7) & 0x1fe; - if (r > 200) - r = 200; - else if (r < 5) - r = 5; - rl = (l - 5) / 13; - rr = (r - 5) / 13; - r = (rl * 13 + 5) / 2; - l = (rr * 13 + 5) / 2; - write_ctrl(s, 0xb4, (rl << 4) | rr); -#ifdef OSS_DOCUMENTED_MIXER_SEMANTICS - s->mix.vol[8] = ((unsigned int)r << 8) | l; -#else - s->mix.vol[8] = val; -#endif - return put_user(s->mix.vol[8], p); - - default: - i = _IOC_NR(cmd); - if (i >= SOUND_MIXER_NRDEVICES || !(vidx = mixtable1[i])) - return -EINVAL; - if (get_user(val, p)) - return -EFAULT; - l = (val << 1) & 0x1fe; - if (l > 200) - l = 200; - else if (l < 5) - l = 5; - r = (val >> 7) & 0x1fe; - if (r > 200) - r = 200; - else if (r < 5) - r = 5; - rl = (l - 5) / 13; - rr = (r - 5) / 13; - r = (rl * 13 + 5) / 2; - l = (rr * 13 + 5) / 2; - write_mixer(s, mixreg[vidx-1], (rl << 4) | rr); -#ifdef OSS_DOCUMENTED_MIXER_SEMANTICS - s->mix.vol[vidx-1] = ((unsigned int)r << 8) | l; -#else - s->mix.vol[vidx-1] = val; -#endif - return put_user(s->mix.vol[vidx-1], p); - } -} - -/* --------------------------------------------------------------------- */ - -static int solo1_open_mixdev(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - struct solo1_state *s = NULL; - struct pci_dev *pci_dev = NULL; - - while ((pci_dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL) { - struct pci_driver *drvr; - drvr = pci_dev_driver (pci_dev); - if (drvr != &solo1_driver) - continue; - s = (struct solo1_state*)pci_get_drvdata(pci_dev); - if (!s) - continue; - if (s->dev_mixer == minor) - break; - } - if (!s) - return -ENODEV; - VALIDATE_STATE(s); - file->private_data = s; - return nonseekable_open(inode, file); -} - -static int solo1_release_mixdev(struct inode *inode, struct file *file) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - - VALIDATE_STATE(s); - return 0; -} - -static int solo1_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - return mixer_ioctl((struct solo1_state *)file->private_data, cmd, arg); -} - -static /*const*/ struct file_operations solo1_mixer_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = solo1_ioctl_mixdev, - .open = solo1_open_mixdev, - .release = solo1_release_mixdev, -}; - -/* --------------------------------------------------------------------- */ - -static int drain_dac(struct solo1_state *s, int nonblock) -{ - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - int count; - unsigned tmo; - - if (s->dma_dac.mapped) - return 0; - add_wait_queue(&s->dma_dac.wait, &wait); - for (;;) { - set_current_state(TASK_INTERRUPTIBLE); - spin_lock_irqsave(&s->lock, flags); - count = s->dma_dac.count; - spin_unlock_irqrestore(&s->lock, flags); - if (count <= 0) - break; - if (signal_pending(current)) - break; - if (nonblock) { - remove_wait_queue(&s->dma_dac.wait, &wait); - set_current_state(TASK_RUNNING); - return -EBUSY; - } - tmo = 3 * HZ * (count + s->dma_dac.fragsize) / 2 / s->rate; - if (s->fmt & (AFMT_S16_LE | AFMT_U16_LE)) - tmo >>= 1; - if (s->channels > 1) - tmo >>= 1; - if (!schedule_timeout(tmo + 1)) - printk(KERN_DEBUG "solo1: dma timed out??\n"); - } - remove_wait_queue(&s->dma_dac.wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - return 0; -} - -/* --------------------------------------------------------------------- */ - -static ssize_t solo1_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - unsigned long flags; - unsigned swptr; - int cnt; - - VALIDATE_STATE(s); - if (s->dma_adc.mapped) - return -ENXIO; - if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) - return ret; - if (!access_ok(VERIFY_WRITE, buffer, count)) - return -EFAULT; - ret = 0; - add_wait_queue(&s->dma_adc.wait, &wait); - while (count > 0) { - spin_lock_irqsave(&s->lock, flags); - swptr = s->dma_adc.swptr; - cnt = s->dma_adc.dmasize-swptr; - if (s->dma_adc.count < cnt) - cnt = s->dma_adc.count; - if (cnt <= 0) - __set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(&s->lock, flags); - if (cnt > count) - cnt = count; -#ifdef DEBUGREC - printk(KERN_DEBUG "solo1_read: reg B8: 0x%02x DMAstat: 0x%02x DMAcnt: 0x%04x SBstat: 0x%02x cnt: %u\n", - read_ctrl(s, 0xb8), inb(s->ddmabase+8), inw(s->ddmabase+4), inb(s->sbbase+0xc), cnt); -#endif - if (cnt <= 0) { - if (s->dma_adc.enabled) - start_adc(s); -#ifdef DEBUGREC - printk(KERN_DEBUG "solo1_read: regs: A1: 0x%02x A2: 0x%02x A4: 0x%02x A5: 0x%02x A8: 0x%02x\n" - KERN_DEBUG "solo1_read: regs: B1: 0x%02x B2: 0x%02x B7: 0x%02x B8: 0x%02x B9: 0x%02x\n" - KERN_DEBUG "solo1_read: DMA: addr: 0x%08x cnt: 0x%04x stat: 0x%02x mask: 0x%02x\n" - KERN_DEBUG "solo1_read: SBstat: 0x%02x cnt: %u\n", - read_ctrl(s, 0xa1), read_ctrl(s, 0xa2), read_ctrl(s, 0xa4), read_ctrl(s, 0xa5), read_ctrl(s, 0xa8), - read_ctrl(s, 0xb1), read_ctrl(s, 0xb2), read_ctrl(s, 0xb7), read_ctrl(s, 0xb8), read_ctrl(s, 0xb9), - inl(s->ddmabase), inw(s->ddmabase+4), inb(s->ddmabase+8), inb(s->ddmabase+15), inb(s->sbbase+0xc), cnt); -#endif - if (inb(s->ddmabase+15) & 1) - printk(KERN_ERR "solo1: cannot start recording, DDMA mask bit stuck at 1\n"); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - break; - } - schedule(); -#ifdef DEBUGREC - printk(KERN_DEBUG "solo1_read: regs: A1: 0x%02x A2: 0x%02x A4: 0x%02x A5: 0x%02x A8: 0x%02x\n" - KERN_DEBUG "solo1_read: regs: B1: 0x%02x B2: 0x%02x B7: 0x%02x B8: 0x%02x B9: 0x%02x\n" - KERN_DEBUG "solo1_read: DMA: addr: 0x%08x cnt: 0x%04x stat: 0x%02x mask: 0x%02x\n" - KERN_DEBUG "solo1_read: SBstat: 0x%02x cnt: %u\n", - read_ctrl(s, 0xa1), read_ctrl(s, 0xa2), read_ctrl(s, 0xa4), read_ctrl(s, 0xa5), read_ctrl(s, 0xa8), - read_ctrl(s, 0xb1), read_ctrl(s, 0xb2), read_ctrl(s, 0xb7), read_ctrl(s, 0xb8), read_ctrl(s, 0xb9), - inl(s->ddmabase), inw(s->ddmabase+4), inb(s->ddmabase+8), inb(s->ddmabase+15), inb(s->sbbase+0xc), cnt); -#endif - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - break; - } - continue; - } - if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt)) { - if (!ret) - ret = -EFAULT; - break; - } - swptr = (swptr + cnt) % s->dma_adc.dmasize; - spin_lock_irqsave(&s->lock, flags); - s->dma_adc.swptr = swptr; - s->dma_adc.count -= cnt; - spin_unlock_irqrestore(&s->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - if (s->dma_adc.enabled) - start_adc(s); -#ifdef DEBUGREC - printk(KERN_DEBUG "solo1_read: reg B8: 0x%02x DMAstat: 0x%02x DMAcnt: 0x%04x SBstat: 0x%02x\n", - read_ctrl(s, 0xb8), inb(s->ddmabase+8), inw(s->ddmabase+4), inb(s->sbbase+0xc)); -#endif - } - remove_wait_queue(&s->dma_adc.wait, &wait); - set_current_state(TASK_RUNNING); - return ret; -} - -static ssize_t solo1_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - unsigned long flags; - unsigned swptr; - int cnt; - - VALIDATE_STATE(s); - if (s->dma_dac.mapped) - return -ENXIO; - if (!s->dma_dac.ready && (ret = prog_dmabuf_dac(s))) - return ret; - if (!access_ok(VERIFY_READ, buffer, count)) - return -EFAULT; -#if 0 - printk(KERN_DEBUG "solo1_write: reg 70: 0x%02x 71: 0x%02x 72: 0x%02x 74: 0x%02x 76: 0x%02x 78: 0x%02x 7A: 0x%02x\n" - KERN_DEBUG "solo1_write: DMA: addr: 0x%08x cnt: 0x%04x stat: 0x%02x SBstat: 0x%02x\n", - read_mixer(s, 0x70), read_mixer(s, 0x71), read_mixer(s, 0x72), read_mixer(s, 0x74), read_mixer(s, 0x76), - read_mixer(s, 0x78), read_mixer(s, 0x7a), inl(s->iobase), inw(s->iobase+4), inb(s->iobase+6), inb(s->sbbase+0xc)); - printk(KERN_DEBUG "solo1_write: reg 78: 0x%02x reg 7A: 0x%02x DMAcnt: 0x%04x DMAstat: 0x%02x SBstat: 0x%02x\n", - read_mixer(s, 0x78), read_mixer(s, 0x7a), inw(s->iobase+4), inb(s->iobase+6), inb(s->sbbase+0xc)); -#endif - ret = 0; - add_wait_queue(&s->dma_dac.wait, &wait); - while (count > 0) { - spin_lock_irqsave(&s->lock, flags); - if (s->dma_dac.count < 0) { - s->dma_dac.count = 0; - s->dma_dac.swptr = s->dma_dac.hwptr; - } - swptr = s->dma_dac.swptr; - cnt = s->dma_dac.dmasize-swptr; - if (s->dma_dac.count + cnt > s->dma_dac.dmasize) - cnt = s->dma_dac.dmasize - s->dma_dac.count; - if (cnt <= 0) - __set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(&s->lock, flags); - if (cnt > count) - cnt = count; - if (cnt <= 0) { - if (s->dma_dac.enabled) - start_dac(s); - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - break; - } - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - break; - } - continue; - } - if (copy_from_user(s->dma_dac.rawbuf + swptr, buffer, cnt)) { - if (!ret) - ret = -EFAULT; - break; - } - swptr = (swptr + cnt) % s->dma_dac.dmasize; - spin_lock_irqsave(&s->lock, flags); - s->dma_dac.swptr = swptr; - s->dma_dac.count += cnt; - s->dma_dac.endcleared = 0; - spin_unlock_irqrestore(&s->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - if (s->dma_dac.enabled) - start_dac(s); - } - remove_wait_queue(&s->dma_dac.wait, &wait); - set_current_state(TASK_RUNNING); - return ret; -} - -/* No kernel lock - we have our own spinlock */ -static unsigned int solo1_poll(struct file *file, struct poll_table_struct *wait) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - unsigned long flags; - unsigned int mask = 0; - - VALIDATE_STATE(s); - if (file->f_mode & FMODE_WRITE) { - if (!s->dma_dac.ready && prog_dmabuf_dac(s)) - return 0; - poll_wait(file, &s->dma_dac.wait, wait); - } - if (file->f_mode & FMODE_READ) { - if (!s->dma_adc.ready && prog_dmabuf_adc(s)) - return 0; - poll_wait(file, &s->dma_adc.wait, wait); - } - spin_lock_irqsave(&s->lock, flags); - solo1_update_ptr(s); - if (file->f_mode & FMODE_READ) { - if (s->dma_adc.mapped) { - if (s->dma_adc.count >= (signed)s->dma_adc.fragsize) - mask |= POLLIN | POLLRDNORM; - } else { - if (s->dma_adc.count > 0) - mask |= POLLIN | POLLRDNORM; - } - } - if (file->f_mode & FMODE_WRITE) { - if (s->dma_dac.mapped) { - if (s->dma_dac.count >= (signed)s->dma_dac.fragsize) - mask |= POLLOUT | POLLWRNORM; - } else { - if ((signed)s->dma_dac.dmasize > s->dma_dac.count) - mask |= POLLOUT | POLLWRNORM; - } - } - spin_unlock_irqrestore(&s->lock, flags); - return mask; -} - - -static int solo1_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - struct dmabuf *db; - int ret = -EINVAL; - unsigned long size; - - VALIDATE_STATE(s); - lock_kernel(); - if (vma->vm_flags & VM_WRITE) { - if ((ret = prog_dmabuf_dac(s)) != 0) - goto out; - db = &s->dma_dac; - } else if (vma->vm_flags & VM_READ) { - if ((ret = prog_dmabuf_adc(s)) != 0) - goto out; - db = &s->dma_adc; - } else - goto out; - ret = -EINVAL; - if (vma->vm_pgoff != 0) - goto out; - size = vma->vm_end - vma->vm_start; - if (size > (PAGE_SIZE << db->buforder)) - goto out; - ret = -EAGAIN; - if (remap_pfn_range(vma, vma->vm_start, - virt_to_phys(db->rawbuf) >> PAGE_SHIFT, - size, vma->vm_page_prot)) - goto out; - db->mapped = 1; - ret = 0; -out: - unlock_kernel(); - return ret; -} - -static int solo1_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - unsigned long flags; - audio_buf_info abinfo; - count_info cinfo; - int val, mapped, ret, count; - int div1, div2; - unsigned rate1, rate2; - void __user *argp = (void __user *)arg; - int __user *p = argp; - - VALIDATE_STATE(s); - mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac.mapped) || - ((file->f_mode & FMODE_READ) && s->dma_adc.mapped); - switch (cmd) { - case OSS_GETVERSION: - return put_user(SOUND_VERSION, p); - - case SNDCTL_DSP_SYNC: - if (file->f_mode & FMODE_WRITE) - return drain_dac(s, 0/*file->f_flags & O_NONBLOCK*/); - return 0; - - case SNDCTL_DSP_SETDUPLEX: - return 0; - - case SNDCTL_DSP_GETCAPS: - return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p); - - case SNDCTL_DSP_RESET: - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - synchronize_irq(s->irq); - s->dma_dac.swptr = s->dma_dac.hwptr = s->dma_dac.count = s->dma_dac.total_bytes = 0; - } - if (file->f_mode & FMODE_READ) { - stop_adc(s); - synchronize_irq(s->irq); - s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0; - } - prog_codec(s); - return 0; - - case SNDCTL_DSP_SPEED: - if (get_user(val, p)) - return -EFAULT; - if (val >= 0) { - stop_adc(s); - stop_dac(s); - s->dma_adc.ready = s->dma_dac.ready = 0; - /* program sampling rates */ - if (val > 48000) - val = 48000; - if (val < 6300) - val = 6300; - div1 = (768000 + val / 2) / val; - rate1 = (768000 + div1 / 2) / div1; - div1 = -div1; - div2 = (793800 + val / 2) / val; - rate2 = (793800 + div2 / 2) / div2; - div2 = (-div2) & 0x7f; - if (abs(val - rate2) < abs(val - rate1)) { - rate1 = rate2; - div1 = div2; - } - s->rate = rate1; - s->clkdiv = div1; - prog_codec(s); - } - return put_user(s->rate, p); - - case SNDCTL_DSP_STEREO: - if (get_user(val, p)) - return -EFAULT; - stop_adc(s); - stop_dac(s); - s->dma_adc.ready = s->dma_dac.ready = 0; - /* program channels */ - s->channels = val ? 2 : 1; - prog_codec(s); - return 0; - - case SNDCTL_DSP_CHANNELS: - if (get_user(val, p)) - return -EFAULT; - if (val != 0) { - stop_adc(s); - stop_dac(s); - s->dma_adc.ready = s->dma_dac.ready = 0; - /* program channels */ - s->channels = (val >= 2) ? 2 : 1; - prog_codec(s); - } - return put_user(s->channels, p); - - case SNDCTL_DSP_GETFMTS: /* Returns a mask */ - return put_user(AFMT_S16_LE|AFMT_U16_LE|AFMT_S8|AFMT_U8, p); - - case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/ - if (get_user(val, p)) - return -EFAULT; - if (val != AFMT_QUERY) { - stop_adc(s); - stop_dac(s); - s->dma_adc.ready = s->dma_dac.ready = 0; - /* program format */ - if (val != AFMT_S16_LE && val != AFMT_U16_LE && - val != AFMT_S8 && val != AFMT_U8) - val = AFMT_U8; - s->fmt = val; - prog_codec(s); - } - return put_user(s->fmt, p); - - case SNDCTL_DSP_POST: - return 0; - - case SNDCTL_DSP_GETTRIGGER: - val = 0; - if (file->f_mode & s->ena & FMODE_READ) - val |= PCM_ENABLE_INPUT; - if (file->f_mode & s->ena & FMODE_WRITE) - val |= PCM_ENABLE_OUTPUT; - return put_user(val, p); - - case SNDCTL_DSP_SETTRIGGER: - if (get_user(val, p)) - return -EFAULT; - if (file->f_mode & FMODE_READ) { - if (val & PCM_ENABLE_INPUT) { - if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s))) - return ret; - s->dma_dac.enabled = 1; - start_adc(s); - if (inb(s->ddmabase+15) & 1) - printk(KERN_ERR "solo1: cannot start recording, DDMA mask bit stuck at 1\n"); - } else { - s->dma_dac.enabled = 0; - stop_adc(s); - } - } - if (file->f_mode & FMODE_WRITE) { - if (val & PCM_ENABLE_OUTPUT) { - if (!s->dma_dac.ready && (ret = prog_dmabuf_dac(s))) - return ret; - s->dma_dac.enabled = 1; - start_dac(s); - } else { - s->dma_dac.enabled = 0; - stop_dac(s); - } - } - return 0; - - case SNDCTL_DSP_GETOSPACE: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - if (!s->dma_dac.ready && (val = prog_dmabuf_dac(s)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - solo1_update_ptr(s); - abinfo.fragsize = s->dma_dac.fragsize; - count = s->dma_dac.count; - if (count < 0) - count = 0; - abinfo.bytes = s->dma_dac.dmasize - count; - abinfo.fragstotal = s->dma_dac.numfrag; - abinfo.fragments = abinfo.bytes >> s->dma_dac.fragshift; - spin_unlock_irqrestore(&s->lock, flags); - return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; - - case SNDCTL_DSP_GETISPACE: - if (!(file->f_mode & FMODE_READ)) - return -EINVAL; - if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - solo1_update_ptr(s); - abinfo.fragsize = s->dma_adc.fragsize; - abinfo.bytes = s->dma_adc.count; - abinfo.fragstotal = s->dma_adc.numfrag; - abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift; - spin_unlock_irqrestore(&s->lock, flags); - return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; - - case SNDCTL_DSP_NONBLOCK: - file->f_flags |= O_NONBLOCK; - return 0; - - case SNDCTL_DSP_GETODELAY: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - if (!s->dma_dac.ready && (val = prog_dmabuf_dac(s)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - solo1_update_ptr(s); - count = s->dma_dac.count; - spin_unlock_irqrestore(&s->lock, flags); - if (count < 0) - count = 0; - return put_user(count, p); - - case SNDCTL_DSP_GETIPTR: - if (!(file->f_mode & FMODE_READ)) - return -EINVAL; - if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - solo1_update_ptr(s); - cinfo.bytes = s->dma_adc.total_bytes; - cinfo.blocks = s->dma_adc.count >> s->dma_adc.fragshift; - cinfo.ptr = s->dma_adc.hwptr; - if (s->dma_adc.mapped) - s->dma_adc.count &= s->dma_adc.fragsize-1; - spin_unlock_irqrestore(&s->lock, flags); - if (copy_to_user(argp, &cinfo, sizeof(cinfo))) - return -EFAULT; - return 0; - - case SNDCTL_DSP_GETOPTR: - if (!(file->f_mode & FMODE_WRITE)) - return -EINVAL; - if (!s->dma_dac.ready && (val = prog_dmabuf_dac(s)) != 0) - return val; - spin_lock_irqsave(&s->lock, flags); - solo1_update_ptr(s); - cinfo.bytes = s->dma_dac.total_bytes; - count = s->dma_dac.count; - if (count < 0) - count = 0; - cinfo.blocks = count >> s->dma_dac.fragshift; - cinfo.ptr = s->dma_dac.hwptr; - if (s->dma_dac.mapped) - s->dma_dac.count &= s->dma_dac.fragsize-1; - spin_unlock_irqrestore(&s->lock, flags); -#if 0 - printk(KERN_DEBUG "esssolo1: GETOPTR: bytes %u blocks %u ptr %u, buforder %u numfrag %u fragshift %u\n" - KERN_DEBUG "esssolo1: swptr %u count %u fragsize %u dmasize %u fragsamples %u\n", - cinfo.bytes, cinfo.blocks, cinfo.ptr, s->dma_dac.buforder, s->dma_dac.numfrag, s->dma_dac.fragshift, - s->dma_dac.swptr, s->dma_dac.count, s->dma_dac.fragsize, s->dma_dac.dmasize, s->dma_dac.fragsamples); -#endif - if (copy_to_user(argp, &cinfo, sizeof(cinfo))) - return -EFAULT; - return 0; - - case SNDCTL_DSP_GETBLKSIZE: - if (file->f_mode & FMODE_WRITE) { - if ((val = prog_dmabuf_dac(s))) - return val; - return put_user(s->dma_dac.fragsize, p); - } - if ((val = prog_dmabuf_adc(s))) - return val; - return put_user(s->dma_adc.fragsize, p); - - case SNDCTL_DSP_SETFRAGMENT: - if (get_user(val, p)) - return -EFAULT; - if (file->f_mode & FMODE_READ) { - s->dma_adc.ossfragshift = val & 0xffff; - s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff; - if (s->dma_adc.ossfragshift < 4) - s->dma_adc.ossfragshift = 4; - if (s->dma_adc.ossfragshift > 15) - s->dma_adc.ossfragshift = 15; - if (s->dma_adc.ossmaxfrags < 4) - s->dma_adc.ossmaxfrags = 4; - } - if (file->f_mode & FMODE_WRITE) { - s->dma_dac.ossfragshift = val & 0xffff; - s->dma_dac.ossmaxfrags = (val >> 16) & 0xffff; - if (s->dma_dac.ossfragshift < 4) - s->dma_dac.ossfragshift = 4; - if (s->dma_dac.ossfragshift > 15) - s->dma_dac.ossfragshift = 15; - if (s->dma_dac.ossmaxfrags < 4) - s->dma_dac.ossmaxfrags = 4; - } - return 0; - - case SNDCTL_DSP_SUBDIVIDE: - if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) || - (file->f_mode & FMODE_WRITE && s->dma_dac.subdivision)) - return -EINVAL; - if (get_user(val, p)) - return -EFAULT; - if (val != 1 && val != 2 && val != 4) - return -EINVAL; - if (file->f_mode & FMODE_READ) - s->dma_adc.subdivision = val; - if (file->f_mode & FMODE_WRITE) - s->dma_dac.subdivision = val; - return 0; - - case SOUND_PCM_READ_RATE: - return put_user(s->rate, p); - - case SOUND_PCM_READ_CHANNELS: - return put_user(s->channels, p); - - case SOUND_PCM_READ_BITS: - return put_user((s->fmt & (AFMT_S8|AFMT_U8)) ? 8 : 16, p); - - case SOUND_PCM_WRITE_FILTER: - case SNDCTL_DSP_SETSYNCRO: - case SOUND_PCM_READ_FILTER: - return -EINVAL; - - } - return mixer_ioctl(s, cmd, arg); -} - -static int solo1_release(struct inode *inode, struct file *file) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - - VALIDATE_STATE(s); - lock_kernel(); - if (file->f_mode & FMODE_WRITE) - drain_dac(s, file->f_flags & O_NONBLOCK); - mutex_lock(&s->open_mutex); - if (file->f_mode & FMODE_WRITE) { - stop_dac(s); - outb(0, s->iobase+6); /* disable DMA */ - dealloc_dmabuf(s, &s->dma_dac); - } - if (file->f_mode & FMODE_READ) { - stop_adc(s); - outb(1, s->ddmabase+0xf); /* mask DMA channel */ - outb(0, s->ddmabase+0xd); /* DMA master clear */ - dealloc_dmabuf(s, &s->dma_adc); - } - s->open_mode &= ~(FMODE_READ | FMODE_WRITE); - wake_up(&s->open_wait); - mutex_unlock(&s->open_mutex); - unlock_kernel(); - return 0; -} - -static int solo1_open(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - struct solo1_state *s = NULL; - struct pci_dev *pci_dev = NULL; - - while ((pci_dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL) { - struct pci_driver *drvr; - - drvr = pci_dev_driver(pci_dev); - if (drvr != &solo1_driver) - continue; - s = (struct solo1_state*)pci_get_drvdata(pci_dev); - if (!s) - continue; - if (!((s->dev_audio ^ minor) & ~0xf)) - break; - } - if (!s) - return -ENODEV; - VALIDATE_STATE(s); - file->private_data = s; - /* wait for device to become free */ - mutex_lock(&s->open_mutex); - while (s->open_mode & (FMODE_READ | FMODE_WRITE)) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&s->open_mutex); - return -EBUSY; - } - add_wait_queue(&s->open_wait, &wait); - __set_current_state(TASK_INTERRUPTIBLE); - mutex_unlock(&s->open_mutex); - schedule(); - remove_wait_queue(&s->open_wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&s->open_mutex); - } - s->fmt = AFMT_U8; - s->channels = 1; - s->rate = 8000; - s->clkdiv = 96 | 0x80; - s->ena = 0; - s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0; - s->dma_adc.enabled = 1; - s->dma_dac.ossfragshift = s->dma_dac.ossmaxfrags = s->dma_dac.subdivision = 0; - s->dma_dac.enabled = 1; - s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE); - mutex_unlock(&s->open_mutex); - prog_codec(s); - return nonseekable_open(inode, file); -} - -static /*const*/ struct file_operations solo1_audio_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = solo1_read, - .write = solo1_write, - .poll = solo1_poll, - .ioctl = solo1_ioctl, - .mmap = solo1_mmap, - .open = solo1_open, - .release = solo1_release, -}; - -/* --------------------------------------------------------------------- */ - -/* hold spinlock for the following! */ -static void solo1_handle_midi(struct solo1_state *s) -{ - unsigned char ch; - int wake; - - if (!(s->mpubase)) - return; - wake = 0; - while (!(inb(s->mpubase+1) & 0x80)) { - ch = inb(s->mpubase); - if (s->midi.icnt < MIDIINBUF) { - s->midi.ibuf[s->midi.iwr] = ch; - s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF; - s->midi.icnt++; - } - wake = 1; - } - if (wake) - wake_up(&s->midi.iwait); - wake = 0; - while (!(inb(s->mpubase+1) & 0x40) && s->midi.ocnt > 0) { - outb(s->midi.obuf[s->midi.ord], s->mpubase); - s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF; - s->midi.ocnt--; - if (s->midi.ocnt < MIDIOUTBUF-16) - wake = 1; - } - if (wake) - wake_up(&s->midi.owait); -} - -static irqreturn_t solo1_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - struct solo1_state *s = (struct solo1_state *)dev_id; - unsigned int intsrc; - - /* fastpath out, to ease interrupt sharing */ - intsrc = inb(s->iobase+7); /* get interrupt source(s) */ - if (!intsrc) - return IRQ_NONE; - (void)inb(s->sbbase+0xe); /* clear interrupt */ - spin_lock(&s->lock); - /* clear audio interrupts first */ - if (intsrc & 0x20) - write_mixer(s, 0x7a, read_mixer(s, 0x7a) & 0x7f); - solo1_update_ptr(s); - solo1_handle_midi(s); - spin_unlock(&s->lock); - return IRQ_HANDLED; -} - -static void solo1_midi_timer(unsigned long data) -{ - struct solo1_state *s = (struct solo1_state *)data; - unsigned long flags; - - spin_lock_irqsave(&s->lock, flags); - solo1_handle_midi(s); - spin_unlock_irqrestore(&s->lock, flags); - s->midi.timer.expires = jiffies+1; - add_timer(&s->midi.timer); -} - -/* --------------------------------------------------------------------- */ - -static ssize_t solo1_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - unsigned long flags; - unsigned ptr; - int cnt; - - VALIDATE_STATE(s); - if (!access_ok(VERIFY_WRITE, buffer, count)) - return -EFAULT; - if (count == 0) - return 0; - ret = 0; - add_wait_queue(&s->midi.iwait, &wait); - while (count > 0) { - spin_lock_irqsave(&s->lock, flags); - ptr = s->midi.ird; - cnt = MIDIINBUF - ptr; - if (s->midi.icnt < cnt) - cnt = s->midi.icnt; - if (cnt <= 0) - __set_current_state(TASK_INTERRUPTIBLE); - spin_unlock_irqrestore(&s->lock, flags); - if (cnt > count) - cnt = count; - if (cnt <= 0) { - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - break; - } - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - break; - } - continue; - } - if (copy_to_user(buffer, s->midi.ibuf + ptr, cnt)) { - if (!ret) - ret = -EFAULT; - break; - } - ptr = (ptr + cnt) % MIDIINBUF; - spin_lock_irqsave(&s->lock, flags); - s->midi.ird = ptr; - s->midi.icnt -= cnt; - spin_unlock_irqrestore(&s->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - break; - } - __set_current_state(TASK_RUNNING); - remove_wait_queue(&s->midi.iwait, &wait); - return ret; -} - -static ssize_t solo1_midi_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - ssize_t ret; - unsigned long flags; - unsigned ptr; - int cnt; - - VALIDATE_STATE(s); - if (!access_ok(VERIFY_READ, buffer, count)) - return -EFAULT; - if (count == 0) - return 0; - ret = 0; - add_wait_queue(&s->midi.owait, &wait); - while (count > 0) { - spin_lock_irqsave(&s->lock, flags); - ptr = s->midi.owr; - cnt = MIDIOUTBUF - ptr; - if (s->midi.ocnt + cnt > MIDIOUTBUF) - cnt = MIDIOUTBUF - s->midi.ocnt; - if (cnt <= 0) { - __set_current_state(TASK_INTERRUPTIBLE); - solo1_handle_midi(s); - } - spin_unlock_irqrestore(&s->lock, flags); - if (cnt > count) - cnt = count; - if (cnt <= 0) { - if (file->f_flags & O_NONBLOCK) { - if (!ret) - ret = -EAGAIN; - break; - } - schedule(); - if (signal_pending(current)) { - if (!ret) - ret = -ERESTARTSYS; - break; - } - continue; - } - if (copy_from_user(s->midi.obuf + ptr, buffer, cnt)) { - if (!ret) - ret = -EFAULT; - break; - } - ptr = (ptr + cnt) % MIDIOUTBUF; - spin_lock_irqsave(&s->lock, flags); - s->midi.owr = ptr; - s->midi.ocnt += cnt; - spin_unlock_irqrestore(&s->lock, flags); - count -= cnt; - buffer += cnt; - ret += cnt; - spin_lock_irqsave(&s->lock, flags); - solo1_handle_midi(s); - spin_unlock_irqrestore(&s->lock, flags); - } - __set_current_state(TASK_RUNNING); - remove_wait_queue(&s->midi.owait, &wait); - return ret; -} - -/* No kernel lock - we have our own spinlock */ -static unsigned int solo1_midi_poll(struct file *file, struct poll_table_struct *wait) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - unsigned long flags; - unsigned int mask = 0; - - VALIDATE_STATE(s); - if (file->f_flags & FMODE_WRITE) - poll_wait(file, &s->midi.owait, wait); - if (file->f_flags & FMODE_READ) - poll_wait(file, &s->midi.iwait, wait); - spin_lock_irqsave(&s->lock, flags); - if (file->f_flags & FMODE_READ) { - if (s->midi.icnt > 0) - mask |= POLLIN | POLLRDNORM; - } - if (file->f_flags & FMODE_WRITE) { - if (s->midi.ocnt < MIDIOUTBUF) - mask |= POLLOUT | POLLWRNORM; - } - spin_unlock_irqrestore(&s->lock, flags); - return mask; -} - -static int solo1_midi_open(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - struct solo1_state *s = NULL; - struct pci_dev *pci_dev = NULL; - - while ((pci_dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL) { - struct pci_driver *drvr; - - drvr = pci_dev_driver(pci_dev); - if (drvr != &solo1_driver) - continue; - s = (struct solo1_state*)pci_get_drvdata(pci_dev); - if (!s) - continue; - if (s->dev_midi == minor) - break; - } - if (!s) - return -ENODEV; - VALIDATE_STATE(s); - file->private_data = s; - /* wait for device to become free */ - mutex_lock(&s->open_mutex); - while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&s->open_mutex); - return -EBUSY; - } - add_wait_queue(&s->open_wait, &wait); - __set_current_state(TASK_INTERRUPTIBLE); - mutex_unlock(&s->open_mutex); - schedule(); - remove_wait_queue(&s->open_wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&s->open_mutex); - } - spin_lock_irqsave(&s->lock, flags); - if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) { - s->midi.ird = s->midi.iwr = s->midi.icnt = 0; - s->midi.ord = s->midi.owr = s->midi.ocnt = 0; - outb(0xff, s->mpubase+1); /* reset command */ - outb(0x3f, s->mpubase+1); /* uart command */ - if (!(inb(s->mpubase+1) & 0x80)) - inb(s->mpubase); - s->midi.ird = s->midi.iwr = s->midi.icnt = 0; - outb(0xb0, s->iobase + 7); /* enable A1, A2, MPU irq's */ - init_timer(&s->midi.timer); - s->midi.timer.expires = jiffies+1; - s->midi.timer.data = (unsigned long)s; - s->midi.timer.function = solo1_midi_timer; - add_timer(&s->midi.timer); - } - if (file->f_mode & FMODE_READ) { - s->midi.ird = s->midi.iwr = s->midi.icnt = 0; - } - if (file->f_mode & FMODE_WRITE) { - s->midi.ord = s->midi.owr = s->midi.ocnt = 0; - } - spin_unlock_irqrestore(&s->lock, flags); - s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE); - mutex_unlock(&s->open_mutex); - return nonseekable_open(inode, file); -} - -static int solo1_midi_release(struct inode *inode, struct file *file) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - DECLARE_WAITQUEUE(wait, current); - unsigned long flags; - unsigned count, tmo; - - VALIDATE_STATE(s); - - lock_kernel(); - if (file->f_mode & FMODE_WRITE) { - add_wait_queue(&s->midi.owait, &wait); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - spin_lock_irqsave(&s->lock, flags); - count = s->midi.ocnt; - spin_unlock_irqrestore(&s->lock, flags); - if (count <= 0) - break; - if (signal_pending(current)) - break; - if (file->f_flags & O_NONBLOCK) - break; - tmo = (count * HZ) / 3100; - if (!schedule_timeout(tmo ? : 1) && tmo) - printk(KERN_DEBUG "solo1: midi timed out??\n"); - } - remove_wait_queue(&s->midi.owait, &wait); - set_current_state(TASK_RUNNING); - } - mutex_lock(&s->open_mutex); - s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE)); - spin_lock_irqsave(&s->lock, flags); - if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) { - outb(0x30, s->iobase + 7); /* enable A1, A2 irq's */ - del_timer(&s->midi.timer); - } - spin_unlock_irqrestore(&s->lock, flags); - wake_up(&s->open_wait); - mutex_unlock(&s->open_mutex); - unlock_kernel(); - return 0; -} - -static /*const*/ struct file_operations solo1_midi_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = solo1_midi_read, - .write = solo1_midi_write, - .poll = solo1_midi_poll, - .open = solo1_midi_open, - .release = solo1_midi_release, -}; - -/* --------------------------------------------------------------------- */ - -static int solo1_dmfm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - static const unsigned char op_offset[18] = { - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 - }; - struct solo1_state *s = (struct solo1_state *)file->private_data; - struct dm_fm_voice v; - struct dm_fm_note n; - struct dm_fm_params p; - unsigned int io; - unsigned int regb; - - switch (cmd) { - case FM_IOCTL_RESET: - for (regb = 0xb0; regb < 0xb9; regb++) { - outb(regb, s->sbbase); - outb(0, s->sbbase+1); - outb(regb, s->sbbase+2); - outb(0, s->sbbase+3); - } - return 0; - - case FM_IOCTL_PLAY_NOTE: - if (copy_from_user(&n, (void __user *)arg, sizeof(n))) - return -EFAULT; - if (n.voice >= 18) - return -EINVAL; - if (n.voice >= 9) { - regb = n.voice - 9; - io = s->sbbase+2; - } else { - regb = n.voice; - io = s->sbbase; - } - outb(0xa0 + regb, io); - outb(n.fnum & 0xff, io+1); - outb(0xb0 + regb, io); - outb(((n.fnum >> 8) & 3) | ((n.octave & 7) << 2) | ((n.key_on & 1) << 5), io+1); - return 0; - - case FM_IOCTL_SET_VOICE: - if (copy_from_user(&v, (void __user *)arg, sizeof(v))) - return -EFAULT; - if (v.voice >= 18) - return -EINVAL; - regb = op_offset[v.voice]; - io = s->sbbase + ((v.op & 1) << 1); - outb(0x20 + regb, io); - outb(((v.am & 1) << 7) | ((v.vibrato & 1) << 6) | ((v.do_sustain & 1) << 5) | - ((v.kbd_scale & 1) << 4) | (v.harmonic & 0xf), io+1); - outb(0x40 + regb, io); - outb(((v.scale_level & 0x3) << 6) | (v.volume & 0x3f), io+1); - outb(0x60 + regb, io); - outb(((v.attack & 0xf) << 4) | (v.decay & 0xf), io+1); - outb(0x80 + regb, io); - outb(((v.sustain & 0xf) << 4) | (v.release & 0xf), io+1); - outb(0xe0 + regb, io); - outb(v.waveform & 0x7, io+1); - if (n.voice >= 9) { - regb = n.voice - 9; - io = s->sbbase+2; - } else { - regb = n.voice; - io = s->sbbase; - } - outb(0xc0 + regb, io); - outb(((v.right & 1) << 5) | ((v.left & 1) << 4) | ((v.feedback & 7) << 1) | - (v.connection & 1), io+1); - return 0; - - case FM_IOCTL_SET_PARAMS: - if (copy_from_user(&p, (void __user *)arg, sizeof(p))) - return -EFAULT; - outb(0x08, s->sbbase); - outb((p.kbd_split & 1) << 6, s->sbbase+1); - outb(0xbd, s->sbbase); - outb(((p.am_depth & 1) << 7) | ((p.vib_depth & 1) << 6) | ((p.rhythm & 1) << 5) | ((p.bass & 1) << 4) | - ((p.snare & 1) << 3) | ((p.tomtom & 1) << 2) | ((p.cymbal & 1) << 1) | (p.hihat & 1), s->sbbase+1); - return 0; - - case FM_IOCTL_SET_OPL: - outb(4, s->sbbase+2); - outb(arg, s->sbbase+3); - return 0; - - case FM_IOCTL_SET_MODE: - outb(5, s->sbbase+2); - outb(arg & 1, s->sbbase+3); - return 0; - - default: - return -EINVAL; - } -} - -static int solo1_dmfm_open(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - DECLARE_WAITQUEUE(wait, current); - struct solo1_state *s = NULL; - struct pci_dev *pci_dev = NULL; - - while ((pci_dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL) { - struct pci_driver *drvr; - - drvr = pci_dev_driver(pci_dev); - if (drvr != &solo1_driver) - continue; - s = (struct solo1_state*)pci_get_drvdata(pci_dev); - if (!s) - continue; - if (s->dev_dmfm == minor) - break; - } - if (!s) - return -ENODEV; - VALIDATE_STATE(s); - file->private_data = s; - /* wait for device to become free */ - mutex_lock(&s->open_mutex); - while (s->open_mode & FMODE_DMFM) { - if (file->f_flags & O_NONBLOCK) { - mutex_unlock(&s->open_mutex); - return -EBUSY; - } - add_wait_queue(&s->open_wait, &wait); - __set_current_state(TASK_INTERRUPTIBLE); - mutex_unlock(&s->open_mutex); - schedule(); - remove_wait_queue(&s->open_wait, &wait); - set_current_state(TASK_RUNNING); - if (signal_pending(current)) - return -ERESTARTSYS; - mutex_lock(&s->open_mutex); - } - if (!request_region(s->sbbase, FMSYNTH_EXTENT, "ESS Solo1")) { - mutex_unlock(&s->open_mutex); - printk(KERN_ERR "solo1: FM synth io ports in use, opl3 loaded?\n"); - return -EBUSY; - } - /* init the stuff */ - outb(1, s->sbbase); - outb(0x20, s->sbbase+1); /* enable waveforms */ - outb(4, s->sbbase+2); - outb(0, s->sbbase+3); /* no 4op enabled */ - outb(5, s->sbbase+2); - outb(1, s->sbbase+3); /* enable OPL3 */ - s->open_mode |= FMODE_DMFM; - mutex_unlock(&s->open_mutex); - return nonseekable_open(inode, file); -} - -static int solo1_dmfm_release(struct inode *inode, struct file *file) -{ - struct solo1_state *s = (struct solo1_state *)file->private_data; - unsigned int regb; - - VALIDATE_STATE(s); - lock_kernel(); - mutex_lock(&s->open_mutex); - s->open_mode &= ~FMODE_DMFM; - for (regb = 0xb0; regb < 0xb9; regb++) { - outb(regb, s->sbbase); - outb(0, s->sbbase+1); - outb(regb, s->sbbase+2); - outb(0, s->sbbase+3); - } - release_region(s->sbbase, FMSYNTH_EXTENT); - wake_up(&s->open_wait); - mutex_unlock(&s->open_mutex); - unlock_kernel(); - return 0; -} - -static /*const*/ struct file_operations solo1_dmfm_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .ioctl = solo1_dmfm_ioctl, - .open = solo1_dmfm_open, - .release = solo1_dmfm_release, -}; - -/* --------------------------------------------------------------------- */ - -static struct initvol { - int mixch; - int vol; -} initvol[] __devinitdata = { - { SOUND_MIXER_WRITE_VOLUME, 0x4040 }, - { SOUND_MIXER_WRITE_PCM, 0x4040 }, - { SOUND_MIXER_WRITE_SYNTH, 0x4040 }, - { SOUND_MIXER_WRITE_CD, 0x4040 }, - { SOUND_MIXER_WRITE_LINE, 0x4040 }, - { SOUND_MIXER_WRITE_LINE1, 0x4040 }, - { SOUND_MIXER_WRITE_LINE2, 0x4040 }, - { SOUND_MIXER_WRITE_RECLEV, 0x4040 }, - { SOUND_MIXER_WRITE_SPEAKER, 0x4040 }, - { SOUND_MIXER_WRITE_MIC, 0x4040 } -}; - -static int setup_solo1(struct solo1_state *s) -{ - struct pci_dev *pcidev = s->dev; - mm_segment_t fs; - int i, val; - - /* initialize DDMA base address */ - printk(KERN_DEBUG "solo1: ddma base address: 0x%lx\n", s->ddmabase); - pci_write_config_word(pcidev, 0x60, (s->ddmabase & (~0xf)) | 1); - /* set DMA policy to DDMA, IRQ emulation off (CLKRUN disabled for now) */ - pci_write_config_dword(pcidev, 0x50, 0); - /* disable legacy audio address decode */ - pci_write_config_word(pcidev, 0x40, 0x907f); - - /* initialize the chips */ - if (!reset_ctrl(s)) { - printk(KERN_ERR "esssolo1: cannot reset controller\n"); - return -1; - } - outb(0xb0, s->iobase+7); /* enable A1, A2, MPU irq's */ - - /* initialize mixer regs */ - write_mixer(s, 0x7f, 0); /* disable music digital recording */ - write_mixer(s, 0x7d, 0x0c); /* enable mic preamp, MONO_OUT is 2nd DAC right channel */ - write_mixer(s, 0x64, 0x45); /* volume control */ - write_mixer(s, 0x48, 0x10); /* enable music DAC/ES6xx interface */ - write_mixer(s, 0x50, 0); /* disable spatializer */ - write_mixer(s, 0x52, 0); - write_mixer(s, 0x14, 0); /* DAC1 minimum volume */ - write_mixer(s, 0x71, 0x20); /* enable new 0xA1 reg format */ - outb(0, s->ddmabase+0xd); /* DMA master clear */ - outb(1, s->ddmabase+0xf); /* mask channel */ - /*outb(0, s->ddmabase+0x8);*/ /* enable controller (enable is low active!!) */ - - pci_set_master(pcidev); /* enable bus mastering */ - - fs = get_fs(); - set_fs(KERNEL_DS); - val = SOUND_MASK_LINE; - mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val); - for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) { - val = initvol[i].vol; - mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val); - } - val = 1; /* enable mic preamp */ - mixer_ioctl(s, SOUND_MIXER_PRIVATE1, (unsigned long)&val); - set_fs(fs); - return 0; -} - -static int -solo1_suspend(struct pci_dev *pci_dev, pm_message_t state) { - struct solo1_state *s = (struct solo1_state*)pci_get_drvdata(pci_dev); - if (!s) - return 1; - outb(0, s->iobase+6); - /* DMA master clear */ - outb(0, s->ddmabase+0xd); - /* reset sequencer and FIFO */ - outb(3, s->sbbase+6); - /* turn off DDMA controller address space */ - pci_write_config_word(s->dev, 0x60, 0); - return 0; -} - -static int -solo1_resume(struct pci_dev *pci_dev) { - struct solo1_state *s = (struct solo1_state*)pci_get_drvdata(pci_dev); - if (!s) - return 1; - setup_solo1(s); - return 0; -} - -#ifdef SUPPORT_JOYSTICK -static int __devinit solo1_register_gameport(struct solo1_state *s, int io_port) -{ - struct gameport *gp; - - if (!request_region(io_port, GAMEPORT_EXTENT, "ESS Solo1")) { - printk(KERN_ERR "solo1: gameport io ports are in use\n"); - return -EBUSY; - } - - s->gameport = gp = gameport_allocate_port(); - if (!gp) { - printk(KERN_ERR "solo1: can not allocate memory for gameport\n"); - release_region(io_port, GAMEPORT_EXTENT); - return -ENOMEM; - } - - gameport_set_name(gp, "ESS Solo1 Gameport"); - gameport_set_phys(gp, "isa%04x/gameport0", io_port); - gp->dev.parent = &s->dev->dev; - gp->io = io_port; - - gameport_register_port(gp); - - return 0; -} - -static inline void solo1_unregister_gameport(struct solo1_state *s) -{ - if (s->gameport) { - int gpio = s->gameport->io; - gameport_unregister_port(s->gameport); - release_region(gpio, GAMEPORT_EXTENT); - } -} -#else -static inline int solo1_register_gameport(struct solo1_state *s, int io_port) { return -ENOSYS; } -static inline void solo1_unregister_gameport(struct solo1_state *s) { } -#endif /* SUPPORT_JOYSTICK */ - -static int __devinit solo1_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid) -{ - struct solo1_state *s; - int gpio; - int ret; - - if ((ret=pci_enable_device(pcidev))) - return ret; - if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_IO) || - !(pci_resource_flags(pcidev, 1) & IORESOURCE_IO) || - !(pci_resource_flags(pcidev, 2) & IORESOURCE_IO) || - !(pci_resource_flags(pcidev, 3) & IORESOURCE_IO)) - return -ENODEV; - if (pcidev->irq == 0) - return -ENODEV; - - /* Recording requires 24-bit DMA, so attempt to set dma mask - * to 24 bits first, then 32 bits (playback only) if that fails. - */ - if (pci_set_dma_mask(pcidev, DMA_24BIT_MASK) && - pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) { - printk(KERN_WARNING "solo1: architecture does not support 24bit or 32bit PCI busmaster DMA\n"); - return -ENODEV; - } - - if (!(s = kmalloc(sizeof(struct solo1_state), GFP_KERNEL))) { - printk(KERN_WARNING "solo1: out of memory\n"); - return -ENOMEM; - } - memset(s, 0, sizeof(struct solo1_state)); - init_waitqueue_head(&s->dma_adc.wait); - init_waitqueue_head(&s->dma_dac.wait); - init_waitqueue_head(&s->open_wait); - init_waitqueue_head(&s->midi.iwait); - init_waitqueue_head(&s->midi.owait); - mutex_init(&s->open_mutex); - spin_lock_init(&s->lock); - s->magic = SOLO1_MAGIC; - s->dev = pcidev; - s->iobase = pci_resource_start(pcidev, 0); - s->sbbase = pci_resource_start(pcidev, 1); - s->vcbase = pci_resource_start(pcidev, 2); - s->ddmabase = s->vcbase + DDMABASE_OFFSET; - s->mpubase = pci_resource_start(pcidev, 3); - gpio = pci_resource_start(pcidev, 4); - s->irq = pcidev->irq; - ret = -EBUSY; - if (!request_region(s->iobase, IOBASE_EXTENT, "ESS Solo1")) { - printk(KERN_ERR "solo1: io ports in use\n"); - goto err_region1; - } - if (!request_region(s->sbbase+FMSYNTH_EXTENT, SBBASE_EXTENT-FMSYNTH_EXTENT, "ESS Solo1")) { - printk(KERN_ERR "solo1: io ports in use\n"); - goto err_region2; - } - if (!request_region(s->ddmabase, DDMABASE_EXTENT, "ESS Solo1")) { - printk(KERN_ERR "solo1: io ports in use\n"); - goto err_region3; - } - if (!request_region(s->mpubase, MPUBASE_EXTENT, "ESS Solo1")) { - printk(KERN_ERR "solo1: io ports in use\n"); - goto err_region4; - } - if ((ret=request_irq(s->irq,solo1_interrupt,IRQF_SHARED,"ESS Solo1",s))) { - printk(KERN_ERR "solo1: irq %u in use\n", s->irq); - goto err_irq; - } - /* register devices */ - if ((s->dev_audio = register_sound_dsp(&solo1_audio_fops, -1)) < 0) { - ret = s->dev_audio; - goto err_dev1; - } - if ((s->dev_mixer = register_sound_mixer(&solo1_mixer_fops, -1)) < 0) { - ret = s->dev_mixer; - goto err_dev2; - } - if ((s->dev_midi = register_sound_midi(&solo1_midi_fops, -1)) < 0) { - ret = s->dev_midi; - goto err_dev3; - } - if ((s->dev_dmfm = register_sound_special(&solo1_dmfm_fops, 15 /* ?? */)) < 0) { - ret = s->dev_dmfm; - goto err_dev4; - } - if (setup_solo1(s)) { - ret = -EIO; - goto err; - } - /* register gameport */ - solo1_register_gameport(s, gpio); - /* store it in the driver field */ - pci_set_drvdata(pcidev, s); - return 0; - - err: - unregister_sound_special(s->dev_dmfm); - err_dev4: - unregister_sound_midi(s->dev_midi); - err_dev3: - unregister_sound_mixer(s->dev_mixer); - err_dev2: - unregister_sound_dsp(s->dev_audio); - err_dev1: - printk(KERN_ERR "solo1: initialisation error\n"); - free_irq(s->irq, s); - err_irq: - release_region(s->mpubase, MPUBASE_EXTENT); - err_region4: - release_region(s->ddmabase, DDMABASE_EXTENT); - err_region3: - release_region(s->sbbase+FMSYNTH_EXTENT, SBBASE_EXTENT-FMSYNTH_EXTENT); - err_region2: - release_region(s->iobase, IOBASE_EXTENT); - err_region1: - kfree(s); - return ret; -} - -static void __devexit solo1_remove(struct pci_dev *dev) -{ - struct solo1_state *s = pci_get_drvdata(dev); - - if (!s) - return; - /* stop DMA controller */ - outb(0, s->iobase+6); - outb(0, s->ddmabase+0xd); /* DMA master clear */ - outb(3, s->sbbase+6); /* reset sequencer and FIFO */ - synchronize_irq(s->irq); - pci_write_config_word(s->dev, 0x60, 0); /* turn off DDMA controller address space */ - free_irq(s->irq, s); - solo1_unregister_gameport(s); - release_region(s->iobase, IOBASE_EXTENT); - release_region(s->sbbase+FMSYNTH_EXTENT, SBBASE_EXTENT-FMSYNTH_EXTENT); - release_region(s->ddmabase, DDMABASE_EXTENT); - release_region(s->mpubase, MPUBASE_EXTENT); - unregister_sound_dsp(s->dev_audio); - unregister_sound_mixer(s->dev_mixer); - unregister_sound_midi(s->dev_midi); - unregister_sound_special(s->dev_dmfm); - kfree(s); - pci_set_drvdata(dev, NULL); -} - -static struct pci_device_id id_table[] = { - { PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_SOLO1, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, id_table); - -static struct pci_driver solo1_driver = { - .name = "ESS Solo1", - .id_table = id_table, - .probe = solo1_probe, - .remove = __devexit_p(solo1_remove), - .suspend = solo1_suspend, - .resume = solo1_resume, -}; - - -static int __init init_solo1(void) -{ - printk(KERN_INFO "solo1: version v0.20 time " __TIME__ " " __DATE__ "\n"); - return pci_register_driver(&solo1_driver); -} - -/* --------------------------------------------------------------------- */ - -MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu"); -MODULE_DESCRIPTION("ESS Solo1 Driver"); -MODULE_LICENSE("GPL"); - - -static void __exit cleanup_solo1(void) -{ - printk(KERN_INFO "solo1: unloading\n"); - pci_unregister_driver(&solo1_driver); -} - -/* --------------------------------------------------------------------- */ - -module_init(init_solo1); -module_exit(cleanup_solo1); - |
