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Diffstat (limited to 'sound/oss/emu10k1/hwaccess.c')
| -rw-r--r-- | sound/oss/emu10k1/hwaccess.c | 507 |
1 files changed, 0 insertions, 507 deletions
diff --git a/sound/oss/emu10k1/hwaccess.c b/sound/oss/emu10k1/hwaccess.c deleted file mode 100644 index 2dc16a841fa..00000000000 --- a/sound/oss/emu10k1/hwaccess.c +++ /dev/null @@ -1,507 +0,0 @@ -/* - ********************************************************************** - * hwaccess.c -- Hardware access layer - * Copyright 1999, 2000 Creative Labs, Inc. - * - ********************************************************************** - * - * Date Author Summary of changes - * ---- ------ ------------------ - * October 20, 1999 Bertrand Lee base code release - * December 9, 1999 Jon Taylor rewrote the I/O subsystem - * - ********************************************************************** - * - * 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. - * - ********************************************************************** - */ - -#include <asm/io.h> - -#include "hwaccess.h" -#include "8010.h" -#include "icardmid.h" - -/************************************************************************* -* Function : srToPitch * -* Input : sampleRate - sampling rate * -* Return : pitch value * -* About : convert sampling rate to pitch * -* Note : for 8010, sampling rate is at 48kHz, this function should * -* be changed. * -*************************************************************************/ -u32 srToPitch(u32 sampleRate) -{ - int i; - - /* FIXME: These tables should be defined in a headerfile */ - static u32 logMagTable[128] = { - 0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2, - 0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5, - 0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081, - 0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191, - 0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7, - 0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829, - 0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e, - 0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26, - 0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d, - 0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885, - 0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899, - 0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c, - 0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3, - 0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3, - 0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83, - 0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df - }; - - static char logSlopeTable[128] = { - 0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58, - 0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53, - 0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f, - 0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b, - 0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47, - 0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44, - 0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41, - 0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e, - 0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c, - 0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39, - 0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37, - 0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35, - 0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34, - 0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32, - 0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30, - 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f - }; - - if (sampleRate == 0) - return 0; /* Bail out if no leading "1" */ - - sampleRate *= 11185; /* Scale 48000 to 0x20002380 */ - - for (i = 31; i > 0; i--) { - if (sampleRate & 0x80000000) { /* Detect leading "1" */ - return (u32) (((s32) (i - 15) << 20) + - logMagTable[0x7f & (sampleRate >> 24)] + - (0x7f & (sampleRate >> 17)) * logSlopeTable[0x7f & (sampleRate >> 24)]); - } - sampleRate = sampleRate << 1; - } - - DPF(2, "srToPitch: BUG!\n"); - return 0; /* Should never reach this point */ -} - -/******************************************* -* write/read PCI function 0 registers * -********************************************/ -void emu10k1_writefn0(struct emu10k1_card *card, u32 reg, u32 data) -{ - unsigned long flags; - - if (reg & 0xff000000) { - u32 mask; - u8 size, offset; - - size = (reg >> 24) & 0x3f; - offset = (reg >> 16) & 0x1f; - mask = ((1 << size) - 1) << offset; - data = (data << offset) & mask; - reg &= 0x7f; - - spin_lock_irqsave(&card->lock, flags); - data |= inl(card->iobase + reg) & ~mask; - outl(data, card->iobase + reg); - spin_unlock_irqrestore(&card->lock, flags); - } else { - spin_lock_irqsave(&card->lock, flags); - outl(data, card->iobase + reg); - spin_unlock_irqrestore(&card->lock, flags); - } - - return; -} - -#ifdef DBGEMU -void emu10k1_writefn0_2(struct emu10k1_card *card, u32 reg, u32 data, int size) -{ - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - - if (size == 32) - outl(data, card->iobase + (reg & 0x1F)); - else if (size == 16) - outw(data, card->iobase + (reg & 0x1F)); - else - outb(data, card->iobase + (reg & 0x1F)); - - spin_unlock_irqrestore(&card->lock, flags); - - return; -} -#endif /* DBGEMU */ - -u32 emu10k1_readfn0(struct emu10k1_card * card, u32 reg) -{ - u32 val; - unsigned long flags; - - if (reg & 0xff000000) { - u32 mask; - u8 size, offset; - - size = (reg >> 24) & 0x3f; - offset = (reg >> 16) & 0x1f; - mask = ((1 << size) - 1) << offset; - reg &= 0x7f; - - spin_lock_irqsave(&card->lock, flags); - val = inl(card->iobase + reg); - spin_unlock_irqrestore(&card->lock, flags); - - return (val & mask) >> offset; - } else { - spin_lock_irqsave(&card->lock, flags); - val = inl(card->iobase + reg); - spin_unlock_irqrestore(&card->lock, flags); - return val; - } -} - -void emu10k1_timer_set(struct emu10k1_card * card, u16 data) -{ - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - outw(data & TIMER_RATE_MASK, card->iobase + TIMER); - spin_unlock_irqrestore(&card->lock, flags); -} - -/************************************************************************ -* write/read Emu10k1 pointer-offset register set, accessed through * -* the PTR and DATA registers * -*************************************************************************/ -#define A_PTR_ADDRESS_MASK 0x0fff0000 -void sblive_writeptr(struct emu10k1_card *card, u32 reg, u32 channel, u32 data) -{ - u32 regptr; - unsigned long flags; - - regptr = ((reg << 16) & A_PTR_ADDRESS_MASK) | (channel & PTR_CHANNELNUM_MASK); - - if (reg & 0xff000000) { - u32 mask; - u8 size, offset; - - size = (reg >> 24) & 0x3f; - offset = (reg >> 16) & 0x1f; - mask = ((1 << size) - 1) << offset; - data = (data << offset) & mask; - - spin_lock_irqsave(&card->lock, flags); - outl(regptr, card->iobase + PTR); - data |= inl(card->iobase + DATA) & ~mask; - outl(data, card->iobase + DATA); - spin_unlock_irqrestore(&card->lock, flags); - } else { - spin_lock_irqsave(&card->lock, flags); - outl(regptr, card->iobase + PTR); - outl(data, card->iobase + DATA); - spin_unlock_irqrestore(&card->lock, flags); - } -} - -/* ... : data, reg, ... , TAGLIST_END */ -void sblive_writeptr_tag(struct emu10k1_card *card, u32 channel, ...) -{ - va_list args; - - unsigned long flags; - u32 reg; - - va_start(args, channel); - - spin_lock_irqsave(&card->lock, flags); - while ((reg = va_arg(args, u32)) != TAGLIST_END) { - u32 data = va_arg(args, u32); - u32 regptr = (((reg << 16) & A_PTR_ADDRESS_MASK) - | (channel & PTR_CHANNELNUM_MASK)); - outl(regptr, card->iobase + PTR); - if (reg & 0xff000000) { - int size = (reg >> 24) & 0x3f; - int offset = (reg >> 16) & 0x1f; - u32 mask = ((1 << size) - 1) << offset; - data = (data << offset) & mask; - - data |= inl(card->iobase + DATA) & ~mask; - } - outl(data, card->iobase + DATA); - } - spin_unlock_irqrestore(&card->lock, flags); - - va_end(args); - - return; -} - -u32 sblive_readptr(struct emu10k1_card * card, u32 reg, u32 channel) -{ - u32 regptr, val; - unsigned long flags; - - regptr = ((reg << 16) & A_PTR_ADDRESS_MASK) | (channel & PTR_CHANNELNUM_MASK); - - if (reg & 0xff000000) { - u32 mask; - u8 size, offset; - - size = (reg >> 24) & 0x3f; - offset = (reg >> 16) & 0x1f; - mask = ((1 << size) - 1) << offset; - - spin_lock_irqsave(&card->lock, flags); - outl(regptr, card->iobase + PTR); - val = inl(card->iobase + DATA); - spin_unlock_irqrestore(&card->lock, flags); - - return (val & mask) >> offset; - } else { - spin_lock_irqsave(&card->lock, flags); - outl(regptr, card->iobase + PTR); - val = inl(card->iobase + DATA); - spin_unlock_irqrestore(&card->lock, flags); - - return val; - } -} - -void emu10k1_irq_enable(struct emu10k1_card *card, u32 irq_mask) -{ - u32 val; - unsigned long flags; - - DPF(2,"emu10k1_irq_enable()\n"); - - spin_lock_irqsave(&card->lock, flags); - val = inl(card->iobase + INTE) | irq_mask; - outl(val, card->iobase + INTE); - spin_unlock_irqrestore(&card->lock, flags); - return; -} - -void emu10k1_irq_disable(struct emu10k1_card *card, u32 irq_mask) -{ - u32 val; - unsigned long flags; - - DPF(2,"emu10k1_irq_disable()\n"); - - spin_lock_irqsave(&card->lock, flags); - val = inl(card->iobase + INTE) & ~irq_mask; - outl(val, card->iobase + INTE); - spin_unlock_irqrestore(&card->lock, flags); - return; -} - -void emu10k1_clear_stop_on_loop(struct emu10k1_card *card, u32 voicenum) -{ - /* Voice interrupt */ - if (voicenum >= 32) - sblive_writeptr(card, SOLEH | ((0x0100 | (voicenum - 32)) << 16), 0, 0); - else - sblive_writeptr(card, SOLEL | ((0x0100 | voicenum) << 16), 0, 0); - - return; -} - -static void sblive_wcwait(struct emu10k1_card *card, u32 wait) -{ - volatile unsigned uCount; - u32 newtime = 0, curtime; - - curtime = emu10k1_readfn0(card, WC_SAMPLECOUNTER); - while (wait--) { - uCount = 0; - while (uCount++ < TIMEOUT) { - newtime = emu10k1_readfn0(card, WC_SAMPLECOUNTER); - if (newtime != curtime) - break; - } - - if (uCount >= TIMEOUT) - break; - - curtime = newtime; - } -} - -u16 emu10k1_ac97_read(struct ac97_codec *codec, u8 reg) -{ - struct emu10k1_card *card = codec->private_data; - u16 data; - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - - outb(reg, card->iobase + AC97ADDRESS); - data = inw(card->iobase + AC97DATA); - - spin_unlock_irqrestore(&card->lock, flags); - - return data; -} - -void emu10k1_ac97_write(struct ac97_codec *codec, u8 reg, u16 value) -{ - struct emu10k1_card *card = codec->private_data; - unsigned long flags; - - spin_lock_irqsave(&card->lock, flags); - - outb(reg, card->iobase + AC97ADDRESS); - outw(value, card->iobase + AC97DATA); - outb( AC97_EXTENDED_ID, card->iobase + AC97ADDRESS); - spin_unlock_irqrestore(&card->lock, flags); -} - -/********************************************************* -* MPU access functions * -**********************************************************/ - -int emu10k1_mpu_write_data(struct emu10k1_card *card, u8 data) -{ - unsigned long flags; - int ret; - - if (card->is_audigy) { - if ((sblive_readptr(card, A_MUSTAT,0) & MUSTAT_ORDYN) == 0) { - sblive_writeptr(card, A_MUDATA, 0, data); - ret = 0; - } else - ret = -1; - } else { - spin_lock_irqsave(&card->lock, flags); - - if ((inb(card->iobase + MUSTAT) & MUSTAT_ORDYN) == 0) { - outb(data, card->iobase + MUDATA); - ret = 0; - } else - ret = -1; - - spin_unlock_irqrestore(&card->lock, flags); - } - - return ret; -} - -int emu10k1_mpu_read_data(struct emu10k1_card *card, u8 * data) -{ - unsigned long flags; - int ret; - - if (card->is_audigy) { - if ((sblive_readptr(card, A_MUSTAT,0) & MUSTAT_IRDYN) == 0) { - *data = sblive_readptr(card, A_MUDATA,0); - ret = 0; - } else - ret = -1; - } else { - spin_lock_irqsave(&card->lock, flags); - - if ((inb(card->iobase + MUSTAT) & MUSTAT_IRDYN) == 0) { - *data = inb(card->iobase + MUDATA); - ret = 0; - } else - ret = -1; - - spin_unlock_irqrestore(&card->lock, flags); - } - - return ret; -} - -int emu10k1_mpu_reset(struct emu10k1_card *card) -{ - u8 status; - unsigned long flags; - - DPF(2, "emu10k1_mpu_reset()\n"); - if (card->is_audigy) { - if (card->mpuacqcount == 0) { - sblive_writeptr(card, A_MUCMD, 0, MUCMD_RESET); - sblive_wcwait(card, 8); - sblive_writeptr(card, A_MUCMD, 0, MUCMD_RESET); - sblive_wcwait(card, 8); - sblive_writeptr(card, A_MUCMD, 0, MUCMD_ENTERUARTMODE); - sblive_wcwait(card, 8); - status = sblive_readptr(card, A_MUDATA, 0); - if (status == 0xfe) - return 0; - else - return -1; - } - - return 0; - } else { - if (card->mpuacqcount == 0) { - spin_lock_irqsave(&card->lock, flags); - outb(MUCMD_RESET, card->iobase + MUCMD); - spin_unlock_irqrestore(&card->lock, flags); - - sblive_wcwait(card, 8); - - spin_lock_irqsave(&card->lock, flags); - outb(MUCMD_RESET, card->iobase + MUCMD); - spin_unlock_irqrestore(&card->lock, flags); - - sblive_wcwait(card, 8); - - spin_lock_irqsave(&card->lock, flags); - outb(MUCMD_ENTERUARTMODE, card->iobase + MUCMD); - spin_unlock_irqrestore(&card->lock, flags); - - sblive_wcwait(card, 8); - - spin_lock_irqsave(&card->lock, flags); - status = inb(card->iobase + MUDATA); - spin_unlock_irqrestore(&card->lock, flags); - - if (status == 0xfe) - return 0; - else - return -1; - } - - return 0; - } -} - -int emu10k1_mpu_acquire(struct emu10k1_card *card) -{ - /* FIXME: This should be a macro */ - ++card->mpuacqcount; - - return 0; -} - -int emu10k1_mpu_release(struct emu10k1_card *card) -{ - /* FIXME: this should be a macro */ - --card->mpuacqcount; - - return 0; -} |