diff options
Diffstat (limited to 'sound/isa/gus/gus_io.c')
-rw-r--r-- | sound/isa/gus/gus_io.c | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/sound/isa/gus/gus_io.c b/sound/isa/gus/gus_io.c new file mode 100644 index 00000000000..f0570f2bf75 --- /dev/null +++ b/sound/isa/gus/gus_io.c @@ -0,0 +1,531 @@ +/* + * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * I/O routines for GF1/InterWave synthesizer chips + * + * + * 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 <sound/driver.h> +#include <linux/delay.h> +#include <linux/time.h> +#include <sound/core.h> +#include <sound/gus.h> + +void snd_gf1_delay(snd_gus_card_t * gus) +{ + int i; + + for (i = 0; i < 6; i++) { + mb(); + inb(GUSP(gus, DRAM)); + } +} + +/* + * ======================================================================= + */ + +/* + * ok.. stop of control registers (wave & ramp) need some special things.. + * big UltraClick (tm) elimination... + */ + +static inline void __snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg) +{ + unsigned char value; + + outb(reg | 0x80, gus->gf1.reg_regsel); + mb(); + value = inb(gus->gf1.reg_data8); + mb(); + outb(reg, gus->gf1.reg_regsel); + mb(); + outb((value | 0x03) & ~(0x80 | 0x20), gus->gf1.reg_data8); + mb(); +} + +static inline void __snd_gf1_write8(snd_gus_card_t * gus, + unsigned char reg, + unsigned char data) +{ + outb(reg, gus->gf1.reg_regsel); + mb(); + outb(data, gus->gf1.reg_data8); + mb(); +} + +static inline unsigned char __snd_gf1_look8(snd_gus_card_t * gus, + unsigned char reg) +{ + outb(reg, gus->gf1.reg_regsel); + mb(); + return inb(gus->gf1.reg_data8); +} + +static inline void __snd_gf1_write16(snd_gus_card_t * gus, + unsigned char reg, unsigned int data) +{ + outb(reg, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) data, gus->gf1.reg_data16); + mb(); +} + +static inline unsigned short __snd_gf1_look16(snd_gus_card_t * gus, + unsigned char reg) +{ + outb(reg, gus->gf1.reg_regsel); + mb(); + return inw(gus->gf1.reg_data16); +} + +static inline void __snd_gf1_adlib_write(snd_gus_card_t * gus, + unsigned char reg, unsigned char data) +{ + outb(reg, gus->gf1.reg_timerctrl); + inb(gus->gf1.reg_timerctrl); + inb(gus->gf1.reg_timerctrl); + outb(data, gus->gf1.reg_timerdata); + inb(gus->gf1.reg_timerctrl); + inb(gus->gf1.reg_timerctrl); +} + +static inline void __snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, + unsigned int addr, int w_16bit) +{ + if (gus->gf1.enh_mode) { + if (w_16bit) + addr = ((addr >> 1) & ~0x0000000f) | (addr & 0x0000000f); + __snd_gf1_write8(gus, SNDRV_GF1_VB_UPPER_ADDRESS, (unsigned char) ((addr >> 26) & 0x03)); + } else if (w_16bit) + addr = (addr & 0x00c0000f) | ((addr & 0x003ffff0) >> 1); + __snd_gf1_write16(gus, reg, (unsigned short) (addr >> 11)); + __snd_gf1_write16(gus, reg + 1, (unsigned short) (addr << 5)); +} + +static inline unsigned int __snd_gf1_read_addr(snd_gus_card_t * gus, + unsigned char reg, short w_16bit) +{ + unsigned int res; + + res = ((unsigned int) __snd_gf1_look16(gus, reg | 0x80) << 11) & 0xfff800; + res |= ((unsigned int) __snd_gf1_look16(gus, (reg + 1) | 0x80) >> 5) & 0x0007ff; + if (gus->gf1.enh_mode) { + res |= (unsigned int) __snd_gf1_look8(gus, SNDRV_GF1_VB_UPPER_ADDRESS | 0x80) << 26; + if (w_16bit) + res = ((res << 1) & 0xffffffe0) | (res & 0x0000000f); + } else if (w_16bit) + res = ((res & 0x001ffff0) << 1) | (res & 0x00c0000f); + return res; +} + + +/* + * ======================================================================= + */ + +void snd_gf1_ctrl_stop(snd_gus_card_t * gus, unsigned char reg) +{ + __snd_gf1_ctrl_stop(gus, reg); +} + +void snd_gf1_write8(snd_gus_card_t * gus, + unsigned char reg, + unsigned char data) +{ + __snd_gf1_write8(gus, reg, data); +} + +unsigned char snd_gf1_look8(snd_gus_card_t * gus, unsigned char reg) +{ + return __snd_gf1_look8(gus, reg); +} + +void snd_gf1_write16(snd_gus_card_t * gus, + unsigned char reg, + unsigned int data) +{ + __snd_gf1_write16(gus, reg, data); +} + +unsigned short snd_gf1_look16(snd_gus_card_t * gus, unsigned char reg) +{ + return __snd_gf1_look16(gus, reg); +} + +void snd_gf1_adlib_write(snd_gus_card_t * gus, + unsigned char reg, + unsigned char data) +{ + __snd_gf1_adlib_write(gus, reg, data); +} + +void snd_gf1_write_addr(snd_gus_card_t * gus, unsigned char reg, + unsigned int addr, short w_16bit) +{ + __snd_gf1_write_addr(gus, reg, addr, w_16bit); +} + +unsigned int snd_gf1_read_addr(snd_gus_card_t * gus, + unsigned char reg, + short w_16bit) +{ + return __snd_gf1_read_addr(gus, reg, w_16bit); +} + +/* + + */ + +void snd_gf1_i_ctrl_stop(snd_gus_card_t * gus, unsigned char reg) +{ + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + __snd_gf1_ctrl_stop(gus, reg); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +void snd_gf1_i_write8(snd_gus_card_t * gus, + unsigned char reg, + unsigned char data) +{ + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + __snd_gf1_write8(gus, reg, data); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +unsigned char snd_gf1_i_look8(snd_gus_card_t * gus, unsigned char reg) +{ + unsigned long flags; + unsigned char res; + + spin_lock_irqsave(&gus->reg_lock, flags); + res = __snd_gf1_look8(gus, reg); + spin_unlock_irqrestore(&gus->reg_lock, flags); + return res; +} + +void snd_gf1_i_write16(snd_gus_card_t * gus, + unsigned char reg, + unsigned int data) +{ + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + __snd_gf1_write16(gus, reg, data); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +unsigned short snd_gf1_i_look16(snd_gus_card_t * gus, unsigned char reg) +{ + unsigned long flags; + unsigned short res; + + spin_lock_irqsave(&gus->reg_lock, flags); + res = __snd_gf1_look16(gus, reg); + spin_unlock_irqrestore(&gus->reg_lock, flags); + return res; +} + +void snd_gf1_i_adlib_write(snd_gus_card_t * gus, + unsigned char reg, + unsigned char data) +{ + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + __snd_gf1_adlib_write(gus, reg, data); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +void snd_gf1_i_write_addr(snd_gus_card_t * gus, unsigned char reg, + unsigned int addr, short w_16bit) +{ + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + __snd_gf1_write_addr(gus, reg, addr, w_16bit); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +unsigned int snd_gf1_i_read_addr(snd_gus_card_t * gus, + unsigned char reg, short w_16bit) +{ + unsigned int res; + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + res = __snd_gf1_read_addr(gus, reg, w_16bit); + spin_unlock_irqrestore(&gus->reg_lock, flags); + return res; +} + +/* + + */ + +void snd_gf1_dram_addr(snd_gus_card_t * gus, unsigned int addr) +{ + outb(0x43, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) addr, gus->gf1.reg_data16); + mb(); + outb(0x44, gus->gf1.reg_regsel); + mb(); + outb((unsigned char) (addr >> 16), gus->gf1.reg_data8); + mb(); +} + +void snd_gf1_poke(snd_gus_card_t * gus, unsigned int addr, unsigned char data) +{ + unsigned long flags; + + spin_lock_irqsave(&gus->reg_lock, flags); + outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) addr, gus->gf1.reg_data16); + mb(); + outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel); + mb(); + outb((unsigned char) (addr >> 16), gus->gf1.reg_data8); + mb(); + outb(data, gus->gf1.reg_dram); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +unsigned char snd_gf1_peek(snd_gus_card_t * gus, unsigned int addr) +{ + unsigned long flags; + unsigned char res; + + spin_lock_irqsave(&gus->reg_lock, flags); + outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) addr, gus->gf1.reg_data16); + mb(); + outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel); + mb(); + outb((unsigned char) (addr >> 16), gus->gf1.reg_data8); + mb(); + res = inb(gus->gf1.reg_dram); + spin_unlock_irqrestore(&gus->reg_lock, flags); + return res; +} + +void snd_gf1_pokew(snd_gus_card_t * gus, unsigned int addr, unsigned short data) +{ + unsigned long flags; + +#ifdef CONFIG_SND_DEBUG + if (!gus->interwave) + snd_printk("snd_gf1_pokew - GF1!!!\n"); +#endif + spin_lock_irqsave(&gus->reg_lock, flags); + outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) addr, gus->gf1.reg_data16); + mb(); + outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel); + mb(); + outb((unsigned char) (addr >> 16), gus->gf1.reg_data8); + mb(); + outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel); + mb(); + outw(data, gus->gf1.reg_data16); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +unsigned short snd_gf1_peekw(snd_gus_card_t * gus, unsigned int addr) +{ + unsigned long flags; + unsigned short res; + +#ifdef CONFIG_SND_DEBUG + if (!gus->interwave) + snd_printk("snd_gf1_peekw - GF1!!!\n"); +#endif + spin_lock_irqsave(&gus->reg_lock, flags); + outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) addr, gus->gf1.reg_data16); + mb(); + outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel); + mb(); + outb((unsigned char) (addr >> 16), gus->gf1.reg_data8); + mb(); + outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel); + mb(); + res = inw(gus->gf1.reg_data16); + spin_unlock_irqrestore(&gus->reg_lock, flags); + return res; +} + +void snd_gf1_dram_setmem(snd_gus_card_t * gus, unsigned int addr, + unsigned short value, unsigned int count) +{ + unsigned long port; + unsigned long flags; + +#ifdef CONFIG_SND_DEBUG + if (!gus->interwave) + snd_printk("snd_gf1_dram_setmem - GF1!!!\n"); +#endif + addr &= ~1; + count >>= 1; + port = GUSP(gus, GF1DATALOW); + spin_lock_irqsave(&gus->reg_lock, flags); + outb(SNDRV_GF1_GW_DRAM_IO_LOW, gus->gf1.reg_regsel); + mb(); + outw((unsigned short) addr, gus->gf1.reg_data16); + mb(); + outb(SNDRV_GF1_GB_DRAM_IO_HIGH, gus->gf1.reg_regsel); + mb(); + outb((unsigned char) (addr >> 16), gus->gf1.reg_data8); + mb(); + outb(SNDRV_GF1_GW_DRAM_IO16, gus->gf1.reg_regsel); + while (count--) + outw(value, port); + spin_unlock_irqrestore(&gus->reg_lock, flags); +} + +/* + + */ + +void snd_gf1_select_active_voices(snd_gus_card_t * gus) +{ + unsigned short voices; + + static unsigned short voices_tbl[32 - 14 + 1] = + { + 44100, 41160, 38587, 36317, 34300, 32494, 30870, 29400, 28063, 26843, + 25725, 24696, 23746, 22866, 22050, 21289, 20580, 19916, 19293 + }; + + voices = gus->gf1.active_voices; + if (voices > 32) + voices = 32; + if (voices < 14) + voices = 14; + if (gus->gf1.enh_mode) + voices = 32; + gus->gf1.active_voices = voices; + gus->gf1.playback_freq = + gus->gf1.enh_mode ? 44100 : voices_tbl[voices - 14]; + if (!gus->gf1.enh_mode) { + snd_gf1_i_write8(gus, SNDRV_GF1_GB_ACTIVE_VOICES, 0xc0 | (voices - 1)); + udelay(100); + } +} + +#ifdef CONFIG_SND_DEBUG + +void snd_gf1_print_voice_registers(snd_gus_card_t * gus) +{ + unsigned char mode; + int voice, ctrl; + + voice = gus->gf1.active_voice; + printk(" -%i- GF1 voice ctrl, ramp ctrl = 0x%x, 0x%x\n", voice, ctrl = snd_gf1_i_read8(gus, 0), snd_gf1_i_read8(gus, 0x0d)); + printk(" -%i- GF1 frequency = 0x%x\n", voice, snd_gf1_i_read16(gus, 1)); + printk(" -%i- GF1 loop start, end = 0x%x (0x%x), 0x%x (0x%x)\n", voice, snd_gf1_i_read_addr(gus, 2, ctrl & 4), snd_gf1_i_read_addr(gus, 2, (ctrl & 4) ^ 4), snd_gf1_i_read_addr(gus, 4, ctrl & 4), snd_gf1_i_read_addr(gus, 4, (ctrl & 4) ^ 4)); + printk(" -%i- GF1 ramp start, end, rate = 0x%x, 0x%x, 0x%x\n", voice, snd_gf1_i_read8(gus, 7), snd_gf1_i_read8(gus, 8), snd_gf1_i_read8(gus, 6)); + printk(" -%i- GF1 volume = 0x%x\n", voice, snd_gf1_i_read16(gus, 9)); + printk(" -%i- GF1 position = 0x%x (0x%x)\n", voice, snd_gf1_i_read_addr(gus, 0x0a, ctrl & 4), snd_gf1_i_read_addr(gus, 0x0a, (ctrl & 4) ^ 4)); + if (gus->interwave && snd_gf1_i_read8(gus, 0x19) & 0x01) { /* enhanced mode */ + mode = snd_gf1_i_read8(gus, 0x15); + printk(" -%i- GFA1 mode = 0x%x\n", voice, mode); + if (mode & 0x01) { /* Effect processor */ + printk(" -%i- GFA1 effect address = 0x%x\n", voice, snd_gf1_i_read_addr(gus, 0x11, ctrl & 4)); + printk(" -%i- GFA1 effect volume = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x16)); + printk(" -%i- GFA1 effect volume final = 0x%x\n", voice, snd_gf1_i_read16(gus, 0x1d)); + printk(" -%i- GFA1 effect acumulator = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x14)); + } + if (mode & 0x20) { + printk(" -%i- GFA1 left offset = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x13), snd_gf1_i_read16(gus, 0x13) >> 4); + printk(" -%i- GFA1 left offset final = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1c), snd_gf1_i_read16(gus, 0x1c) >> 4); + printk(" -%i- GFA1 right offset = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x0c), snd_gf1_i_read16(gus, 0x0c) >> 4); + printk(" -%i- GFA1 right offset final = 0x%x (%i)\n", voice, snd_gf1_i_read16(gus, 0x1b), snd_gf1_i_read16(gus, 0x1b) >> 4); + } else + printk(" -%i- GF1 pan = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c)); + } else + printk(" -%i- GF1 pan = 0x%x\n", voice, snd_gf1_i_read8(gus, 0x0c)); +} + +void snd_gf1_print_global_registers(snd_gus_card_t * gus) +{ + unsigned char global_mode = 0x00; + + printk(" -G- GF1 active voices = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ACTIVE_VOICES)); + if (gus->interwave) { + global_mode = snd_gf1_i_read8(gus, SNDRV_GF1_GB_GLOBAL_MODE); + printk(" -G- GF1 global mode = 0x%x\n", global_mode); + } + if (global_mode & 0x02) /* LFO enabled? */ + printk(" -G- GF1 LFO base = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_LFO_BASE)); + printk(" -G- GF1 voices IRQ read = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VOICES_IRQ_READ)); + printk(" -G- GF1 DRAM DMA control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_CONTROL)); + printk(" -G- GF1 DRAM DMA high/low = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_DMA_HIGH), snd_gf1_i_read16(gus, SNDRV_GF1_GW_DRAM_DMA_LOW)); + printk(" -G- GF1 DRAM IO high/low = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DRAM_IO_HIGH), snd_gf1_i_read16(gus, SNDRV_GF1_GW_DRAM_IO_LOW)); + if (!gus->interwave) + printk(" -G- GF1 record DMA control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL)); + printk(" -G- GF1 DRAM IO 16 = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_DRAM_IO16)); + if (gus->gf1.enh_mode) { + printk(" -G- GFA1 memory config = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_MEMORY_CONFIG)); + printk(" -G- GFA1 memory control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MEMORY_CONTROL)); + printk(" -G- GFA1 FIFO record base = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_RECORD_BASE_ADDR)); + printk(" -G- GFA1 FIFO playback base = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_FIFO_PLAY_BASE_ADDR)); + printk(" -G- GFA1 interleave control = 0x%x\n", snd_gf1_i_look16(gus, SNDRV_GF1_GW_INTERLEAVE)); + } +} + +void snd_gf1_print_setup_registers(snd_gus_card_t * gus) +{ + printk(" -S- mix control = 0x%x\n", inb(GUSP(gus, MIXCNTRLREG))); + printk(" -S- IRQ status = 0x%x\n", inb(GUSP(gus, IRQSTAT))); + printk(" -S- timer control = 0x%x\n", inb(GUSP(gus, TIMERCNTRL))); + printk(" -S- timer data = 0x%x\n", inb(GUSP(gus, TIMERDATA))); + printk(" -S- status read = 0x%x\n", inb(GUSP(gus, REGCNTRLS))); + printk(" -S- Sound Blaster control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_SOUND_BLASTER_CONTROL)); + printk(" -S- AdLib timer 1/2 = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_ADLIB_TIMER_1), snd_gf1_i_look8(gus, SNDRV_GF1_GB_ADLIB_TIMER_2)); + printk(" -S- reset = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)); + if (gus->interwave) { + printk(" -S- compatibility = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_COMPATIBILITY)); + printk(" -S- decode control = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_DECODE_CONTROL)); + printk(" -S- version number = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_VERSION_NUMBER)); + printk(" -S- MPU-401 emul. control A/B = 0x%x/0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_MPU401_CONTROL_A), snd_gf1_i_look8(gus, SNDRV_GF1_GB_MPU401_CONTROL_B)); + printk(" -S- emulation IRQ = 0x%x\n", snd_gf1_i_look8(gus, SNDRV_GF1_GB_EMULATION_IRQ)); + } +} + +void snd_gf1_peek_print_block(snd_gus_card_t * gus, unsigned int addr, int count, int w_16bit) +{ + if (!w_16bit) { + while (count-- > 0) + printk(count > 0 ? "%02x:" : "%02x", snd_gf1_peek(gus, addr++)); + } else { + while (count-- > 0) { + printk(count > 0 ? "%04x:" : "%04x", snd_gf1_peek(gus, addr) | (snd_gf1_peek(gus, addr + 1) << 8)); + addr += 2; + } + } +} + +#endif |