| /* |
| * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
| * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk> |
| * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de> |
| * |
| * Routines for control of EMU8000 chip |
| * |
| * 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/wait.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include <linux/ioport.h> |
| #include <linux/delay.h> |
| #include <sound/core.h> |
| #include <sound/emu8000.h> |
| #include <sound/emu8000_reg.h> |
| #include <asm/io.h> |
| #include <asm/uaccess.h> |
| #include <linux/init.h> |
| #include <sound/control.h> |
| #include <sound/initval.h> |
| |
| /* |
| * emu8000 register controls |
| */ |
| |
| /* |
| * The following routines read and write registers on the emu8000. They |
| * should always be called via the EMU8000*READ/WRITE macros and never |
| * directly. The macros handle the port number and command word. |
| */ |
| /* Write a word */ |
| void snd_emu8000_poke(emu8000_t *emu, unsigned int port, unsigned int reg, unsigned int val) |
| { |
| unsigned long flags; |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| if (reg != emu->last_reg) { |
| outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ |
| emu->last_reg = reg; |
| } |
| outw((unsigned short)val, port); /* Send data */ |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| } |
| |
| /* Read a word */ |
| unsigned short snd_emu8000_peek(emu8000_t *emu, unsigned int port, unsigned int reg) |
| { |
| unsigned short res; |
| unsigned long flags; |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| if (reg != emu->last_reg) { |
| outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ |
| emu->last_reg = reg; |
| } |
| res = inw(port); /* Read data */ |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| return res; |
| } |
| |
| /* Write a double word */ |
| void snd_emu8000_poke_dw(emu8000_t *emu, unsigned int port, unsigned int reg, unsigned int val) |
| { |
| unsigned long flags; |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| if (reg != emu->last_reg) { |
| outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ |
| emu->last_reg = reg; |
| } |
| outw((unsigned short)val, port); /* Send low word of data */ |
| outw((unsigned short)(val>>16), port+2); /* Send high word of data */ |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| } |
| |
| /* Read a double word */ |
| unsigned int snd_emu8000_peek_dw(emu8000_t *emu, unsigned int port, unsigned int reg) |
| { |
| unsigned short low; |
| unsigned int res; |
| unsigned long flags; |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| if (reg != emu->last_reg) { |
| outw((unsigned short)reg, EMU8000_PTR(emu)); /* Set register */ |
| emu->last_reg = reg; |
| } |
| low = inw(port); /* Read low word of data */ |
| res = low + (inw(port+2) << 16); |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| return res; |
| } |
| |
| /* |
| * Set up / close a channel to be used for DMA. |
| */ |
| /*exported*/ void |
| snd_emu8000_dma_chan(emu8000_t *emu, int ch, int mode) |
| { |
| unsigned right_bit = (mode & EMU8000_RAM_RIGHT) ? 0x01000000 : 0; |
| mode &= EMU8000_RAM_MODE_MASK; |
| if (mode == EMU8000_RAM_CLOSE) { |
| EMU8000_CCCA_WRITE(emu, ch, 0); |
| EMU8000_DCYSUSV_WRITE(emu, ch, 0x807F); |
| return; |
| } |
| EMU8000_DCYSUSV_WRITE(emu, ch, 0x80); |
| EMU8000_VTFT_WRITE(emu, ch, 0); |
| EMU8000_CVCF_WRITE(emu, ch, 0); |
| EMU8000_PTRX_WRITE(emu, ch, 0x40000000); |
| EMU8000_CPF_WRITE(emu, ch, 0x40000000); |
| EMU8000_PSST_WRITE(emu, ch, 0); |
| EMU8000_CSL_WRITE(emu, ch, 0); |
| if (mode == EMU8000_RAM_WRITE) /* DMA write */ |
| EMU8000_CCCA_WRITE(emu, ch, 0x06000000 | right_bit); |
| else /* DMA read */ |
| EMU8000_CCCA_WRITE(emu, ch, 0x04000000 | right_bit); |
| } |
| |
| /* |
| */ |
| static void __init |
| snd_emu8000_read_wait(emu8000_t *emu) |
| { |
| while ((EMU8000_SMALR_READ(emu) & 0x80000000) != 0) { |
| schedule_timeout_interruptible(1); |
| if (signal_pending(current)) |
| break; |
| } |
| } |
| |
| /* |
| */ |
| static void __init |
| snd_emu8000_write_wait(emu8000_t *emu) |
| { |
| while ((EMU8000_SMALW_READ(emu) & 0x80000000) != 0) { |
| schedule_timeout_interruptible(1); |
| if (signal_pending(current)) |
| break; |
| } |
| } |
| |
| /* |
| * detect a card at the given port |
| */ |
| static int __init |
| snd_emu8000_detect(emu8000_t *emu) |
| { |
| /* Initialise */ |
| EMU8000_HWCF1_WRITE(emu, 0x0059); |
| EMU8000_HWCF2_WRITE(emu, 0x0020); |
| EMU8000_HWCF3_WRITE(emu, 0x0000); |
| /* Check for a recognisable emu8000 */ |
| /* |
| if ((EMU8000_U1_READ(emu) & 0x000f) != 0x000c) |
| return -ENODEV; |
| */ |
| if ((EMU8000_HWCF1_READ(emu) & 0x007e) != 0x0058) |
| return -ENODEV; |
| if ((EMU8000_HWCF2_READ(emu) & 0x0003) != 0x0003) |
| return -ENODEV; |
| |
| snd_printdd("EMU8000 [0x%lx]: Synth chip found\n", |
| emu->port1); |
| return 0; |
| } |
| |
| |
| /* |
| * intiailize audio channels |
| */ |
| static void __init |
| init_audio(emu8000_t *emu) |
| { |
| int ch; |
| |
| /* turn off envelope engines */ |
| for (ch = 0; ch < EMU8000_CHANNELS; ch++) |
| EMU8000_DCYSUSV_WRITE(emu, ch, 0x80); |
| |
| /* reset all other parameters to zero */ |
| for (ch = 0; ch < EMU8000_CHANNELS; ch++) { |
| EMU8000_ENVVOL_WRITE(emu, ch, 0); |
| EMU8000_ENVVAL_WRITE(emu, ch, 0); |
| EMU8000_DCYSUS_WRITE(emu, ch, 0); |
| EMU8000_ATKHLDV_WRITE(emu, ch, 0); |
| EMU8000_LFO1VAL_WRITE(emu, ch, 0); |
| EMU8000_ATKHLD_WRITE(emu, ch, 0); |
| EMU8000_LFO2VAL_WRITE(emu, ch, 0); |
| EMU8000_IP_WRITE(emu, ch, 0); |
| EMU8000_IFATN_WRITE(emu, ch, 0); |
| EMU8000_PEFE_WRITE(emu, ch, 0); |
| EMU8000_FMMOD_WRITE(emu, ch, 0); |
| EMU8000_TREMFRQ_WRITE(emu, ch, 0); |
| EMU8000_FM2FRQ2_WRITE(emu, ch, 0); |
| EMU8000_PTRX_WRITE(emu, ch, 0); |
| EMU8000_VTFT_WRITE(emu, ch, 0); |
| EMU8000_PSST_WRITE(emu, ch, 0); |
| EMU8000_CSL_WRITE(emu, ch, 0); |
| EMU8000_CCCA_WRITE(emu, ch, 0); |
| } |
| |
| for (ch = 0; ch < EMU8000_CHANNELS; ch++) { |
| EMU8000_CPF_WRITE(emu, ch, 0); |
| EMU8000_CVCF_WRITE(emu, ch, 0); |
| } |
| } |
| |
| |
| /* |
| * initialize DMA address |
| */ |
| static void __init |
| init_dma(emu8000_t *emu) |
| { |
| EMU8000_SMALR_WRITE(emu, 0); |
| EMU8000_SMARR_WRITE(emu, 0); |
| EMU8000_SMALW_WRITE(emu, 0); |
| EMU8000_SMARW_WRITE(emu, 0); |
| } |
| |
| /* |
| * initialization arrays; from ADIP |
| */ |
| static unsigned short init1[128] /*__devinitdata*/ = { |
| 0x03ff, 0x0030, 0x07ff, 0x0130, 0x0bff, 0x0230, 0x0fff, 0x0330, |
| 0x13ff, 0x0430, 0x17ff, 0x0530, 0x1bff, 0x0630, 0x1fff, 0x0730, |
| 0x23ff, 0x0830, 0x27ff, 0x0930, 0x2bff, 0x0a30, 0x2fff, 0x0b30, |
| 0x33ff, 0x0c30, 0x37ff, 0x0d30, 0x3bff, 0x0e30, 0x3fff, 0x0f30, |
| |
| 0x43ff, 0x0030, 0x47ff, 0x0130, 0x4bff, 0x0230, 0x4fff, 0x0330, |
| 0x53ff, 0x0430, 0x57ff, 0x0530, 0x5bff, 0x0630, 0x5fff, 0x0730, |
| 0x63ff, 0x0830, 0x67ff, 0x0930, 0x6bff, 0x0a30, 0x6fff, 0x0b30, |
| 0x73ff, 0x0c30, 0x77ff, 0x0d30, 0x7bff, 0x0e30, 0x7fff, 0x0f30, |
| |
| 0x83ff, 0x0030, 0x87ff, 0x0130, 0x8bff, 0x0230, 0x8fff, 0x0330, |
| 0x93ff, 0x0430, 0x97ff, 0x0530, 0x9bff, 0x0630, 0x9fff, 0x0730, |
| 0xa3ff, 0x0830, 0xa7ff, 0x0930, 0xabff, 0x0a30, 0xafff, 0x0b30, |
| 0xb3ff, 0x0c30, 0xb7ff, 0x0d30, 0xbbff, 0x0e30, 0xbfff, 0x0f30, |
| |
| 0xc3ff, 0x0030, 0xc7ff, 0x0130, 0xcbff, 0x0230, 0xcfff, 0x0330, |
| 0xd3ff, 0x0430, 0xd7ff, 0x0530, 0xdbff, 0x0630, 0xdfff, 0x0730, |
| 0xe3ff, 0x0830, 0xe7ff, 0x0930, 0xebff, 0x0a30, 0xefff, 0x0b30, |
| 0xf3ff, 0x0c30, 0xf7ff, 0x0d30, 0xfbff, 0x0e30, 0xffff, 0x0f30, |
| }; |
| |
| static unsigned short init2[128] /*__devinitdata*/ = { |
| 0x03ff, 0x8030, 0x07ff, 0x8130, 0x0bff, 0x8230, 0x0fff, 0x8330, |
| 0x13ff, 0x8430, 0x17ff, 0x8530, 0x1bff, 0x8630, 0x1fff, 0x8730, |
| 0x23ff, 0x8830, 0x27ff, 0x8930, 0x2bff, 0x8a30, 0x2fff, 0x8b30, |
| 0x33ff, 0x8c30, 0x37ff, 0x8d30, 0x3bff, 0x8e30, 0x3fff, 0x8f30, |
| |
| 0x43ff, 0x8030, 0x47ff, 0x8130, 0x4bff, 0x8230, 0x4fff, 0x8330, |
| 0x53ff, 0x8430, 0x57ff, 0x8530, 0x5bff, 0x8630, 0x5fff, 0x8730, |
| 0x63ff, 0x8830, 0x67ff, 0x8930, 0x6bff, 0x8a30, 0x6fff, 0x8b30, |
| 0x73ff, 0x8c30, 0x77ff, 0x8d30, 0x7bff, 0x8e30, 0x7fff, 0x8f30, |
| |
| 0x83ff, 0x8030, 0x87ff, 0x8130, 0x8bff, 0x8230, 0x8fff, 0x8330, |
| 0x93ff, 0x8430, 0x97ff, 0x8530, 0x9bff, 0x8630, 0x9fff, 0x8730, |
| 0xa3ff, 0x8830, 0xa7ff, 0x8930, 0xabff, 0x8a30, 0xafff, 0x8b30, |
| 0xb3ff, 0x8c30, 0xb7ff, 0x8d30, 0xbbff, 0x8e30, 0xbfff, 0x8f30, |
| |
| 0xc3ff, 0x8030, 0xc7ff, 0x8130, 0xcbff, 0x8230, 0xcfff, 0x8330, |
| 0xd3ff, 0x8430, 0xd7ff, 0x8530, 0xdbff, 0x8630, 0xdfff, 0x8730, |
| 0xe3ff, 0x8830, 0xe7ff, 0x8930, 0xebff, 0x8a30, 0xefff, 0x8b30, |
| 0xf3ff, 0x8c30, 0xf7ff, 0x8d30, 0xfbff, 0x8e30, 0xffff, 0x8f30, |
| }; |
| |
| static unsigned short init3[128] /*__devinitdata*/ = { |
| 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, |
| 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x8F7C, 0x167E, 0xF254, |
| 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x8BAA, 0x1B6D, 0xF234, |
| 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x86E7, 0x229E, 0xF224, |
| |
| 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x87F6, 0x2C28, 0xF254, |
| 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x8F02, 0x1341, 0xF264, |
| 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x8FA9, 0x3EB5, 0xF294, |
| 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0xC4C3, 0x3EBB, 0xC5C3, |
| |
| 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x8671, 0x14FD, 0x8287, |
| 0x3EBC, 0xE610, 0x3EC8, 0x8C7B, 0x031A, 0x87E6, 0x3EC8, 0x86F7, |
| 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x821F, 0x3ECA, 0x8386, |
| 0x3EC1, 0x8C03, 0x3EC9, 0x831E, 0x3ECA, 0x8C4C, 0x3EBF, 0x8C55, |
| |
| 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x8EAD, 0x3EC8, 0xD308, |
| 0x3EC2, 0x8F7E, 0x3ECB, 0x8219, 0x3ECB, 0xD26E, 0x3EC5, 0x831F, |
| 0x3EC6, 0xC308, 0x3EC3, 0xB2FF, 0x3EC9, 0x8265, 0x3EC9, 0x8319, |
| 0x1342, 0xD36E, 0x3EC7, 0xB3FF, 0x0000, 0x8365, 0x1420, 0x9570, |
| }; |
| |
| static unsigned short init4[128] /*__devinitdata*/ = { |
| 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, |
| 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x0F7C, 0x167E, 0x7254, |
| 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x0BAA, 0x1B6D, 0x7234, |
| 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x06E7, 0x229E, 0x7224, |
| |
| 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x07F6, 0x2C28, 0x7254, |
| 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x0F02, 0x1341, 0x7264, |
| 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x0FA9, 0x3EB5, 0x7294, |
| 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0x44C3, 0x3EBB, 0x45C3, |
| |
| 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x0671, 0x14FD, 0x0287, |
| 0x3EBC, 0xE610, 0x3EC8, 0x0C7B, 0x031A, 0x07E6, 0x3EC8, 0x86F7, |
| 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x021F, 0x3ECA, 0x0386, |
| 0x3EC1, 0x0C03, 0x3EC9, 0x031E, 0x3ECA, 0x8C4C, 0x3EBF, 0x0C55, |
| |
| 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x0EAD, 0x3EC8, 0xD308, |
| 0x3EC2, 0x8F7E, 0x3ECB, 0x0219, 0x3ECB, 0xD26E, 0x3EC5, 0x031F, |
| 0x3EC6, 0xC308, 0x3EC3, 0x32FF, 0x3EC9, 0x0265, 0x3EC9, 0x8319, |
| 0x1342, 0xD36E, 0x3EC7, 0x33FF, 0x0000, 0x8365, 0x1420, 0x9570, |
| }; |
| |
| /* send an initialization array |
| * Taken from the oss driver, not obvious from the doc how this |
| * is meant to work |
| */ |
| static void __init |
| send_array(emu8000_t *emu, unsigned short *data, int size) |
| { |
| int i; |
| unsigned short *p; |
| |
| p = data; |
| for (i = 0; i < size; i++, p++) |
| EMU8000_INIT1_WRITE(emu, i, *p); |
| for (i = 0; i < size; i++, p++) |
| EMU8000_INIT2_WRITE(emu, i, *p); |
| for (i = 0; i < size; i++, p++) |
| EMU8000_INIT3_WRITE(emu, i, *p); |
| for (i = 0; i < size; i++, p++) |
| EMU8000_INIT4_WRITE(emu, i, *p); |
| } |
| |
| |
| /* |
| * Send initialization arrays to start up, this just follows the |
| * initialisation sequence in the adip. |
| */ |
| static void __init |
| init_arrays(emu8000_t *emu) |
| { |
| send_array(emu, init1, ARRAY_SIZE(init1)/4); |
| |
| msleep((1024 * 1000) / 44100); /* wait for 1024 clocks */ |
| send_array(emu, init2, ARRAY_SIZE(init2)/4); |
| send_array(emu, init3, ARRAY_SIZE(init3)/4); |
| |
| EMU8000_HWCF4_WRITE(emu, 0); |
| EMU8000_HWCF5_WRITE(emu, 0x83); |
| EMU8000_HWCF6_WRITE(emu, 0x8000); |
| |
| send_array(emu, init4, ARRAY_SIZE(init4)/4); |
| } |
| |
| |
| #define UNIQUE_ID1 0xa5b9 |
| #define UNIQUE_ID2 0x9d53 |
| |
| /* |
| * Size the onboard memory. |
| * This is written so as not to need arbitary delays after the write. It |
| * seems that the only way to do this is to use the one channel and keep |
| * reallocating between read and write. |
| */ |
| static void __init |
| size_dram(emu8000_t *emu) |
| { |
| int i, size; |
| |
| if (emu->dram_checked) |
| return; |
| |
| size = 0; |
| |
| /* write out a magic number */ |
| snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE); |
| snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_READ); |
| EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET); |
| EMU8000_SMLD_WRITE(emu, UNIQUE_ID1); |
| snd_emu8000_init_fm(emu); /* This must really be here and not 2 lines back even */ |
| |
| while (size < EMU8000_MAX_DRAM) { |
| |
| size += 512 * 1024; /* increment 512kbytes */ |
| |
| /* Write a unique data on the test address. |
| * if the address is out of range, the data is written on |
| * 0x200000(=EMU8000_DRAM_OFFSET). Then the id word is |
| * changed by this data. |
| */ |
| /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_WRITE);*/ |
| EMU8000_SMALW_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1)); |
| EMU8000_SMLD_WRITE(emu, UNIQUE_ID2); |
| snd_emu8000_write_wait(emu); |
| |
| /* |
| * read the data on the just written DRAM address |
| * if not the same then we have reached the end of ram. |
| */ |
| /*snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_READ);*/ |
| EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET + (size>>1)); |
| /*snd_emu8000_read_wait(emu);*/ |
| EMU8000_SMLD_READ(emu); /* discard stale data */ |
| if (EMU8000_SMLD_READ(emu) != UNIQUE_ID2) |
| break; /* we must have wrapped around */ |
| |
| snd_emu8000_read_wait(emu); |
| |
| /* |
| * If it is the same it could be that the address just |
| * wraps back to the beginning; so check to see if the |
| * initial value has been overwritten. |
| */ |
| EMU8000_SMALR_WRITE(emu, EMU8000_DRAM_OFFSET); |
| EMU8000_SMLD_READ(emu); /* discard stale data */ |
| if (EMU8000_SMLD_READ(emu) != UNIQUE_ID1) |
| break; /* we must have wrapped around */ |
| snd_emu8000_read_wait(emu); |
| } |
| |
| /* wait until FULL bit in SMAxW register is false */ |
| for (i = 0; i < 10000; i++) { |
| if ((EMU8000_SMALW_READ(emu) & 0x80000000) == 0) |
| break; |
| schedule_timeout_interruptible(1); |
| if (signal_pending(current)) |
| break; |
| } |
| snd_emu8000_dma_chan(emu, 0, EMU8000_RAM_CLOSE); |
| snd_emu8000_dma_chan(emu, 1, EMU8000_RAM_CLOSE); |
| |
| snd_printdd("EMU8000 [0x%lx]: %d Kb on-board memory detected\n", |
| emu->port1, size/1024); |
| |
| emu->mem_size = size; |
| emu->dram_checked = 1; |
| } |
| |
| |
| /* |
| * Initiailise the FM section. You have to do this to use sample RAM |
| * and therefore lose 2 voices. |
| */ |
| /*exported*/ void |
| snd_emu8000_init_fm(emu8000_t *emu) |
| { |
| unsigned long flags; |
| |
| /* Initialize the last two channels for DRAM refresh and producing |
| the reverb and chorus effects for Yamaha OPL-3 synthesizer */ |
| |
| /* 31: FM left channel, 0xffffe0-0xffffe8 */ |
| EMU8000_DCYSUSV_WRITE(emu, 30, 0x80); |
| EMU8000_PSST_WRITE(emu, 30, 0xFFFFFFE0); /* full left */ |
| EMU8000_CSL_WRITE(emu, 30, 0x00FFFFE8 | (emu->fm_chorus_depth << 24)); |
| EMU8000_PTRX_WRITE(emu, 30, (emu->fm_reverb_depth << 8)); |
| EMU8000_CPF_WRITE(emu, 30, 0); |
| EMU8000_CCCA_WRITE(emu, 30, 0x00FFFFE3); |
| |
| /* 32: FM right channel, 0xfffff0-0xfffff8 */ |
| EMU8000_DCYSUSV_WRITE(emu, 31, 0x80); |
| EMU8000_PSST_WRITE(emu, 31, 0x00FFFFF0); /* full right */ |
| EMU8000_CSL_WRITE(emu, 31, 0x00FFFFF8 | (emu->fm_chorus_depth << 24)); |
| EMU8000_PTRX_WRITE(emu, 31, (emu->fm_reverb_depth << 8)); |
| EMU8000_CPF_WRITE(emu, 31, 0x8000); |
| EMU8000_CCCA_WRITE(emu, 31, 0x00FFFFF3); |
| |
| snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0); |
| |
| spin_lock_irqsave(&emu->reg_lock, flags); |
| while (!(inw(EMU8000_PTR(emu)) & 0x1000)) |
| ; |
| while ((inw(EMU8000_PTR(emu)) & 0x1000)) |
| ; |
| spin_unlock_irqrestore(&emu->reg_lock, flags); |
| snd_emu8000_poke((emu), EMU8000_DATA0(emu), EMU8000_CMD(1, (30)), 0x4828); |
| /* this is really odd part.. */ |
| outb(0x3C, EMU8000_PTR(emu)); |
| outb(0, EMU8000_DATA1(emu)); |
| |
| /* skew volume & cutoff */ |
| EMU8000_VTFT_WRITE(emu, 30, 0x8000FFFF); |
| EMU8000_VTFT_WRITE(emu, 31, 0x8000FFFF); |
| } |
| |
| |
| /* |
| * The main initialization routine. |
| */ |
| static void __init |
| snd_emu8000_init_hw(emu8000_t *emu) |
| { |
| int i; |
| |
| emu->last_reg = 0xffff; /* reset the last register index */ |
| |
| /* initialize hardware configuration */ |
| EMU8000_HWCF1_WRITE(emu, 0x0059); |
| EMU8000_HWCF2_WRITE(emu, 0x0020); |
| |
| /* disable audio; this seems to reduce a clicking noise a bit.. */ |
| EMU8000_HWCF3_WRITE(emu, 0); |
| |
| /* initialize audio channels */ |
| init_audio(emu); |
| |
| /* initialize DMA */ |
| init_dma(emu); |
| |
| /* initialize init arrays */ |
| init_arrays(emu); |
| |
| /* |
| * Initialize the FM section of the AWE32, this is needed |
| * for DRAM refresh as well |
| */ |
| snd_emu8000_init_fm(emu); |
| |
| /* terminate all voices */ |
| for (i = 0; i < EMU8000_DRAM_VOICES; i++) |
| EMU8000_DCYSUSV_WRITE(emu, 0, 0x807F); |
| |
| /* check DRAM memory size */ |
| size_dram(emu); |
| |
| /* enable audio */ |
| EMU8000_HWCF3_WRITE(emu, 0x4); |
| |
| /* set equzlier, chorus and reverb modes */ |
| snd_emu8000_update_equalizer(emu); |
| snd_emu8000_update_chorus_mode(emu); |
| snd_emu8000_update_reverb_mode(emu); |
| } |
| |
| |
| /*---------------------------------------------------------------- |
| * Bass/Treble Equalizer |
| *----------------------------------------------------------------*/ |
| |
| static unsigned short bass_parm[12][3] = { |
| {0xD26A, 0xD36A, 0x0000}, /* -12 dB */ |
| {0xD25B, 0xD35B, 0x0000}, /* -8 */ |
| {0xD24C, 0xD34C, 0x0000}, /* -6 */ |
| {0xD23D, 0xD33D, 0x0000}, /* -4 */ |
| {0xD21F, 0xD31F, 0x0000}, /* -2 */ |
| {0xC208, 0xC308, 0x0001}, /* 0 (HW default) */ |
| {0xC219, 0xC319, 0x0001}, /* +2 */ |
| {0xC22A, 0xC32A, 0x0001}, /* +4 */ |
| {0xC24C, 0xC34C, 0x0001}, /* +6 */ |
| {0xC26E, 0xC36E, 0x0001}, /* +8 */ |
| {0xC248, 0xC384, 0x0002}, /* +10 */ |
| {0xC26A, 0xC36A, 0x0002}, /* +12 dB */ |
| }; |
| |
| static unsigned short treble_parm[12][9] = { |
| {0x821E, 0xC26A, 0x031E, 0xC36A, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, /* -12 dB */ |
| {0x821E, 0xC25B, 0x031E, 0xC35B, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, |
| {0x821E, 0xC24C, 0x031E, 0xC34C, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, |
| {0x821E, 0xC23D, 0x031E, 0xC33D, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, |
| {0x821E, 0xC21F, 0x031E, 0xC31F, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, |
| {0x821E, 0xD208, 0x031E, 0xD308, 0x021E, 0xD208, 0x831E, 0xD308, 0x0002}, |
| {0x821E, 0xD208, 0x031E, 0xD308, 0x021D, 0xD219, 0x831D, 0xD319, 0x0002}, |
| {0x821E, 0xD208, 0x031E, 0xD308, 0x021C, 0xD22A, 0x831C, 0xD32A, 0x0002}, |
| {0x821E, 0xD208, 0x031E, 0xD308, 0x021A, 0xD24C, 0x831A, 0xD34C, 0x0002}, |
| {0x821E, 0xD208, 0x031E, 0xD308, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, /* +8 (HW default) */ |
| {0x821D, 0xD219, 0x031D, 0xD319, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, |
| {0x821C, 0xD22A, 0x031C, 0xD32A, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002} /* +12 dB */ |
| }; |
| |
| |
| /* |
| * set Emu8000 digital equalizer; from 0 to 11 [-12dB - 12dB] |
| */ |
| /*exported*/ void |
| snd_emu8000_update_equalizer(emu8000_t *emu) |
| { |
| unsigned short w; |
| int bass = emu->bass_level; |
| int treble = emu->treble_level; |
| |
| if (bass < 0 || bass > 11 || treble < 0 || treble > 11) |
| return; |
| EMU8000_INIT4_WRITE(emu, 0x01, bass_parm[bass][0]); |
| EMU8000_INIT4_WRITE(emu, 0x11, bass_parm[bass][1]); |
| EMU8000_INIT3_WRITE(emu, 0x11, treble_parm[treble][0]); |
| EMU8000_INIT3_WRITE(emu, 0x13, treble_parm[treble][1]); |
| EMU8000_INIT3_WRITE(emu, 0x1b, treble_parm[treble][2]); |
| EMU8000_INIT4_WRITE(emu, 0x07, treble_parm[treble][3]); |
| EMU8000_INIT4_WRITE(emu, 0x0b, treble_parm[treble][4]); |
| EMU8000_INIT4_WRITE(emu, 0x0d, treble_parm[treble][5]); |
| EMU8000_INIT4_WRITE(emu, 0x17, treble_parm[treble][6]); |
| EMU8000_INIT4_WRITE(emu, 0x19, treble_parm[treble][7]); |
| w = bass_parm[bass][2] + treble_parm[treble][8]; |
| EMU8000_INIT4_WRITE(emu, 0x15, (unsigned short)(w + 0x0262)); |
| EMU8000_INIT4_WRITE(emu, 0x1d, (unsigned short)(w + 0x8362)); |
| } |
| |
| |
| /*---------------------------------------------------------------- |
| * Chorus mode control |
| *----------------------------------------------------------------*/ |
| |
| /* |
| * chorus mode parameters |
| */ |
| #define SNDRV_EMU8000_CHORUS_1 0 |
| #define SNDRV_EMU8000_CHORUS_2 1 |
| #define SNDRV_EMU8000_CHORUS_3 2 |
| #define SNDRV_EMU8000_CHORUS_4 3 |
| #define SNDRV_EMU8000_CHORUS_FEEDBACK 4 |
| #define SNDRV_EMU8000_CHORUS_FLANGER 5 |
| #define SNDRV_EMU8000_CHORUS_SHORTDELAY 6 |
| #define SNDRV_EMU8000_CHORUS_SHORTDELAY2 7 |
| #define SNDRV_EMU8000_CHORUS_PREDEFINED 8 |
| /* user can define chorus modes up to 32 */ |
| #define SNDRV_EMU8000_CHORUS_NUMBERS 32 |
| |
| typedef struct soundfont_chorus_fx_t { |
| unsigned short feedback; /* feedback level (0xE600-0xE6FF) */ |
| unsigned short delay_offset; /* delay (0-0x0DA3) [1/44100 sec] */ |
| unsigned short lfo_depth; /* LFO depth (0xBC00-0xBCFF) */ |
| unsigned int delay; /* right delay (0-0xFFFFFFFF) [1/256/44100 sec] */ |
| unsigned int lfo_freq; /* LFO freq LFO freq (0-0xFFFFFFFF) */ |
| } soundfont_chorus_fx_t; |
| |
| /* 5 parameters for each chorus mode; 3 x 16bit, 2 x 32bit */ |
| static char chorus_defined[SNDRV_EMU8000_CHORUS_NUMBERS]; |
| static soundfont_chorus_fx_t chorus_parm[SNDRV_EMU8000_CHORUS_NUMBERS] = { |
| {0xE600, 0x03F6, 0xBC2C ,0x00000000, 0x0000006D}, /* chorus 1 */ |
| {0xE608, 0x031A, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 2 */ |
| {0xE610, 0x031A, 0xBC84, 0x00000000, 0x00000083}, /* chorus 3 */ |
| {0xE620, 0x0269, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 4 */ |
| {0xE680, 0x04D3, 0xBCA6, 0x00000000, 0x0000005B}, /* feedback */ |
| {0xE6E0, 0x044E, 0xBC37, 0x00000000, 0x00000026}, /* flanger */ |
| {0xE600, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay */ |
| {0xE6C0, 0x0B06, 0xBC00, 0x0006E000, 0x00000083}, /* short delay + feedback */ |
| }; |
| |
| /*exported*/ int |
| snd_emu8000_load_chorus_fx(emu8000_t *emu, int mode, const void __user *buf, long len) |
| { |
| soundfont_chorus_fx_t rec; |
| if (mode < SNDRV_EMU8000_CHORUS_PREDEFINED || mode >= SNDRV_EMU8000_CHORUS_NUMBERS) { |
| snd_printk(KERN_WARNING "invalid chorus mode %d for uploading\n", mode); |
| return -EINVAL; |
| } |
| if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec))) |
| return -EFAULT; |
| chorus_parm[mode] = rec; |
| chorus_defined[mode] = 1; |
| return 0; |
| } |
| |
| /*exported*/ void |
| snd_emu8000_update_chorus_mode(emu8000_t *emu) |
| { |
| int effect = emu->chorus_mode; |
| if (effect < 0 || effect >= SNDRV_EMU8000_CHORUS_NUMBERS || |
| (effect >= SNDRV_EMU8000_CHORUS_PREDEFINED && !chorus_defined[effect])) |
| return; |
| EMU8000_INIT3_WRITE(emu, 0x09, chorus_parm[effect].feedback); |
| EMU8000_INIT3_WRITE(emu, 0x0c, chorus_parm[effect].delay_offset); |
| EMU8000_INIT4_WRITE(emu, 0x03, chorus_parm[effect].lfo_depth); |
| EMU8000_HWCF4_WRITE(emu, chorus_parm[effect].delay); |
| EMU8000_HWCF5_WRITE(emu, chorus_parm[effect].lfo_freq); |
| EMU8000_HWCF6_WRITE(emu, 0x8000); |
| EMU8000_HWCF7_WRITE(emu, 0x0000); |
| } |
| |
| /*---------------------------------------------------------------- |
| * Reverb mode control |
| *----------------------------------------------------------------*/ |
| |
| /* |
| * reverb mode parameters |
| */ |
| #define SNDRV_EMU8000_REVERB_ROOM1 0 |
| #define SNDRV_EMU8000_REVERB_ROOM2 1 |
| #define SNDRV_EMU8000_REVERB_ROOM3 2 |
| #define SNDRV_EMU8000_REVERB_HALL1 3 |
| #define SNDRV_EMU8000_REVERB_HALL2 4 |
| #define SNDRV_EMU8000_REVERB_PLATE 5 |
| #define SNDRV_EMU8000_REVERB_DELAY 6 |
| #define SNDRV_EMU8000_REVERB_PANNINGDELAY 7 |
| #define SNDRV_EMU8000_REVERB_PREDEFINED 8 |
| /* user can define reverb modes up to 32 */ |
| #define SNDRV_EMU8000_REVERB_NUMBERS 32 |
| |
| typedef struct soundfont_reverb_fx_t { |
| unsigned short parms[28]; |
| } soundfont_reverb_fx_t; |
| |
| /* reverb mode settings; write the following 28 data of 16 bit length |
| * on the corresponding ports in the reverb_cmds array |
| */ |
| static char reverb_defined[SNDRV_EMU8000_CHORUS_NUMBERS]; |
| static soundfont_reverb_fx_t reverb_parm[SNDRV_EMU8000_REVERB_NUMBERS] = { |
| {{ /* room 1 */ |
| 0xB488, 0xA450, 0x9550, 0x84B5, 0x383A, 0x3EB5, 0x72F4, |
| 0x72A4, 0x7254, 0x7204, 0x7204, 0x7204, 0x4416, 0x4516, |
| 0xA490, 0xA590, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, |
| 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, |
| }}, |
| {{ /* room 2 */ |
| 0xB488, 0xA458, 0x9558, 0x84B5, 0x383A, 0x3EB5, 0x7284, |
| 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548, |
| 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, |
| 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, |
| }}, |
| {{ /* room 3 */ |
| 0xB488, 0xA460, 0x9560, 0x84B5, 0x383A, 0x3EB5, 0x7284, |
| 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4416, 0x4516, |
| 0xA490, 0xA590, 0x842C, 0x852C, 0x842C, 0x852C, 0x842B, |
| 0x852B, 0x842B, 0x852B, 0x842A, 0x852A, 0x842A, 0x852A, |
| }}, |
| {{ /* hall 1 */ |
| 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7284, |
| 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548, |
| 0xA440, 0xA540, 0x842B, 0x852B, 0x842B, 0x852B, 0x842A, |
| 0x852A, 0x842A, 0x852A, 0x8429, 0x8529, 0x8429, 0x8529, |
| }}, |
| {{ /* hall 2 */ |
| 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7254, |
| 0x7234, 0x7224, 0x7254, 0x7264, 0x7294, 0x44C3, 0x45C3, |
| 0xA404, 0xA504, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, |
| 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, |
| }}, |
| {{ /* plate */ |
| 0xB4FF, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7234, |
| 0x7234, 0x7234, 0x7234, 0x7234, 0x7234, 0x4448, 0x4548, |
| 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, |
| 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, |
| }}, |
| {{ /* delay */ |
| 0xB4FF, 0xA470, 0x9500, 0x84B5, 0x333A, 0x39B5, 0x7204, |
| 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500, |
| 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, |
| 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, |
| }}, |
| {{ /* panning delay */ |
| 0xB4FF, 0xA490, 0x9590, 0x8474, 0x333A, 0x39B5, 0x7204, |
| 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500, |
| 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, |
| 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, |
| }}, |
| }; |
| |
| enum { DATA1, DATA2 }; |
| #define AWE_INIT1(c) EMU8000_CMD(2,c), DATA1 |
| #define AWE_INIT2(c) EMU8000_CMD(2,c), DATA2 |
| #define AWE_INIT3(c) EMU8000_CMD(3,c), DATA1 |
| #define AWE_INIT4(c) EMU8000_CMD(3,c), DATA2 |
| |
| static struct reverb_cmd_pair { |
| unsigned short cmd, port; |
| } reverb_cmds[28] = { |
| {AWE_INIT1(0x03)}, {AWE_INIT1(0x05)}, {AWE_INIT4(0x1F)}, {AWE_INIT1(0x07)}, |
| {AWE_INIT2(0x14)}, {AWE_INIT2(0x16)}, {AWE_INIT1(0x0F)}, {AWE_INIT1(0x17)}, |
| {AWE_INIT1(0x1F)}, {AWE_INIT2(0x07)}, {AWE_INIT2(0x0F)}, {AWE_INIT2(0x17)}, |
| {AWE_INIT2(0x1D)}, {AWE_INIT2(0x1F)}, {AWE_INIT3(0x01)}, {AWE_INIT3(0x03)}, |
| {AWE_INIT1(0x09)}, {AWE_INIT1(0x0B)}, {AWE_INIT1(0x11)}, {AWE_INIT1(0x13)}, |
| {AWE_INIT1(0x19)}, {AWE_INIT1(0x1B)}, {AWE_INIT2(0x01)}, {AWE_INIT2(0x03)}, |
| {AWE_INIT2(0x09)}, {AWE_INIT2(0x0B)}, {AWE_INIT2(0x11)}, {AWE_INIT2(0x13)}, |
| }; |
| |
| /*exported*/ int |
| snd_emu8000_load_reverb_fx(emu8000_t *emu, int mode, const void __user *buf, long len) |
| { |
| soundfont_reverb_fx_t rec; |
| |
| if (mode < SNDRV_EMU8000_REVERB_PREDEFINED || mode >= SNDRV_EMU8000_REVERB_NUMBERS) { |
| snd_printk(KERN_WARNING "invalid reverb mode %d for uploading\n", mode); |
| return -EINVAL; |
| } |
| if (len < (long)sizeof(rec) || copy_from_user(&rec, buf, sizeof(rec))) |
| return -EFAULT; |
| reverb_parm[mode] = rec; |
| reverb_defined[mode] = 1; |
| return 0; |
| } |
| |
| /*exported*/ void |
| snd_emu8000_update_reverb_mode(emu8000_t *emu) |
| { |
| int effect = emu->reverb_mode; |
| int i; |
| |
| if (effect < 0 || effect >= SNDRV_EMU8000_REVERB_NUMBERS || |
| (effect >= SNDRV_EMU8000_REVERB_PREDEFINED && !reverb_defined[effect])) |
| return; |
| for (i = 0; i < 28; i++) { |
| int port; |
| if (reverb_cmds[i].port == DATA1) |
| port = EMU8000_DATA1(emu); |
| else |
| port = EMU8000_DATA2(emu); |
| snd_emu8000_poke(emu, port, reverb_cmds[i].cmd, reverb_parm[effect].parms[i]); |
| } |
| } |
| |
| |
| /*---------------------------------------------------------------- |
| * mixer interface |
| *----------------------------------------------------------------*/ |
| |
| /* |
| * bass/treble |
| */ |
| static int mixer_bass_treble_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 11; |
| return 0; |
| } |
| |
| static int mixer_bass_treble_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu8000_t *emu = snd_kcontrol_chip(kcontrol); |
| |
| ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->treble_level : emu->bass_level; |
| return 0; |
| } |
| |
| static int mixer_bass_treble_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu8000_t *emu = snd_kcontrol_chip(kcontrol); |
| unsigned long flags; |
| int change; |
| unsigned short val1; |
| |
| val1 = ucontrol->value.integer.value[0] % 12; |
| spin_lock_irqsave(&emu->control_lock, flags); |
| if (kcontrol->private_value) { |
| change = val1 != emu->treble_level; |
| emu->treble_level = val1; |
| } else { |
| change = val1 != emu->bass_level; |
| emu->bass_level = val1; |
| } |
| spin_unlock_irqrestore(&emu->control_lock, flags); |
| snd_emu8000_update_equalizer(emu); |
| return change; |
| } |
| |
| static snd_kcontrol_new_t mixer_bass_control = |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "Synth Tone Control - Bass", |
| .info = mixer_bass_treble_info, |
| .get = mixer_bass_treble_get, |
| .put = mixer_bass_treble_put, |
| .private_value = 0, |
| }; |
| |
| static snd_kcontrol_new_t mixer_treble_control = |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "Synth Tone Control - Treble", |
| .info = mixer_bass_treble_info, |
| .get = mixer_bass_treble_get, |
| .put = mixer_bass_treble_put, |
| .private_value = 1, |
| }; |
| |
| /* |
| * chorus/reverb mode |
| */ |
| static int mixer_chorus_reverb_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = kcontrol->private_value ? (SNDRV_EMU8000_CHORUS_NUMBERS-1) : (SNDRV_EMU8000_REVERB_NUMBERS-1); |
| return 0; |
| } |
| |
| static int mixer_chorus_reverb_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu8000_t *emu = snd_kcontrol_chip(kcontrol); |
| |
| ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->chorus_mode : emu->reverb_mode; |
| return 0; |
| } |
| |
| static int mixer_chorus_reverb_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu8000_t *emu = snd_kcontrol_chip(kcontrol); |
| unsigned long flags; |
| int change; |
| unsigned short val1; |
| |
| spin_lock_irqsave(&emu->control_lock, flags); |
| if (kcontrol->private_value) { |
| val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_CHORUS_NUMBERS; |
| change = val1 != emu->chorus_mode; |
| emu->chorus_mode = val1; |
| } else { |
| val1 = ucontrol->value.integer.value[0] % SNDRV_EMU8000_REVERB_NUMBERS; |
| change = val1 != emu->reverb_mode; |
| emu->reverb_mode = val1; |
| } |
| spin_unlock_irqrestore(&emu->control_lock, flags); |
| if (change) { |
| if (kcontrol->private_value) |
| snd_emu8000_update_chorus_mode(emu); |
| else |
| snd_emu8000_update_reverb_mode(emu); |
| } |
| return change; |
| } |
| |
| static snd_kcontrol_new_t mixer_chorus_mode_control = |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "Chorus Mode", |
| .info = mixer_chorus_reverb_info, |
| .get = mixer_chorus_reverb_get, |
| .put = mixer_chorus_reverb_put, |
| .private_value = 1, |
| }; |
| |
| static snd_kcontrol_new_t mixer_reverb_mode_control = |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "Reverb Mode", |
| .info = mixer_chorus_reverb_info, |
| .get = mixer_chorus_reverb_get, |
| .put = mixer_chorus_reverb_put, |
| .private_value = 0, |
| }; |
| |
| /* |
| * FM OPL3 chorus/reverb depth |
| */ |
| static int mixer_fm_depth_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 255; |
| return 0; |
| } |
| |
| static int mixer_fm_depth_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu8000_t *emu = snd_kcontrol_chip(kcontrol); |
| |
| ucontrol->value.integer.value[0] = kcontrol->private_value ? emu->fm_chorus_depth : emu->fm_reverb_depth; |
| return 0; |
| } |
| |
| static int mixer_fm_depth_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| { |
| emu8000_t *emu = snd_kcontrol_chip(kcontrol); |
| unsigned long flags; |
| int change; |
| unsigned short val1; |
| |
| val1 = ucontrol->value.integer.value[0] % 256; |
| spin_lock_irqsave(&emu->control_lock, flags); |
| if (kcontrol->private_value) { |
| change = val1 != emu->fm_chorus_depth; |
| emu->fm_chorus_depth = val1; |
| } else { |
| change = val1 != emu->fm_reverb_depth; |
| emu->fm_reverb_depth = val1; |
| } |
| spin_unlock_irqrestore(&emu->control_lock, flags); |
| if (change) |
| snd_emu8000_init_fm(emu); |
| return change; |
| } |
| |
| static snd_kcontrol_new_t mixer_fm_chorus_depth_control = |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "FM Chorus Depth", |
| .info = mixer_fm_depth_info, |
| .get = mixer_fm_depth_get, |
| .put = mixer_fm_depth_put, |
| .private_value = 1, |
| }; |
| |
| static snd_kcontrol_new_t mixer_fm_reverb_depth_control = |
| { |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| .name = "FM Reverb Depth", |
| .info = mixer_fm_depth_info, |
| .get = mixer_fm_depth_get, |
| .put = mixer_fm_depth_put, |
| .private_value = 0, |
| }; |
| |
| |
| static snd_kcontrol_new_t *mixer_defs[EMU8000_NUM_CONTROLS] = { |
| &mixer_bass_control, |
| &mixer_treble_control, |
| &mixer_chorus_mode_control, |
| &mixer_reverb_mode_control, |
| &mixer_fm_chorus_depth_control, |
| &mixer_fm_reverb_depth_control, |
| }; |
| |
| /* |
| * create and attach mixer elements for WaveTable treble/bass controls |
| */ |
| static int __init |
| snd_emu8000_create_mixer(snd_card_t *card, emu8000_t *emu) |
| { |
| int i, err = 0; |
| |
| snd_assert(emu != NULL && card != NULL, return -EINVAL); |
| |
| spin_lock_init(&emu->control_lock); |
| |
| memset(emu->controls, 0, sizeof(emu->controls)); |
| for (i = 0; i < EMU8000_NUM_CONTROLS; i++) { |
| if ((err = snd_ctl_add(card, emu->controls[i] = snd_ctl_new1(mixer_defs[i], emu))) < 0) |
| goto __error; |
| } |
| return 0; |
| |
| __error: |
| for (i = 0; i < EMU8000_NUM_CONTROLS; i++) { |
| down_write(&card->controls_rwsem); |
| if (emu->controls[i]) |
| snd_ctl_remove(card, emu->controls[i]); |
| up_write(&card->controls_rwsem); |
| } |
| return err; |
| } |
| |
| |
| /* |
| * free resources |
| */ |
| static int snd_emu8000_free(emu8000_t *hw) |
| { |
| release_and_free_resource(hw->res_port1); |
| release_and_free_resource(hw->res_port2); |
| release_and_free_resource(hw->res_port3); |
| kfree(hw); |
| return 0; |
| } |
| |
| /* |
| */ |
| static int snd_emu8000_dev_free(snd_device_t *device) |
| { |
| emu8000_t *hw = device->device_data; |
| return snd_emu8000_free(hw); |
| } |
| |
| /* |
| * initialize and register emu8000 synth device. |
| */ |
| int __init |
| snd_emu8000_new(snd_card_t *card, int index, long port, int seq_ports, snd_seq_device_t **awe_ret) |
| { |
| snd_seq_device_t *awe; |
| emu8000_t *hw; |
| int err; |
| static snd_device_ops_t ops = { |
| .dev_free = snd_emu8000_dev_free, |
| }; |
| |
| if (awe_ret) |
| *awe_ret = NULL; |
| |
| if (seq_ports <= 0) |
| return 0; |
| |
| hw = kzalloc(sizeof(*hw), GFP_KERNEL); |
| if (hw == NULL) |
| return -ENOMEM; |
| spin_lock_init(&hw->reg_lock); |
| hw->index = index; |
| hw->port1 = port; |
| hw->port2 = port + 0x400; |
| hw->port3 = port + 0x800; |
| if (!(hw->res_port1 = request_region(hw->port1, 4, "Emu8000-1")) || |
| !(hw->res_port2 = request_region(hw->port2, 4, "Emu8000-2")) || |
| !(hw->res_port3 = request_region(hw->port3, 4, "Emu8000-3"))) { |
| snd_printk(KERN_ERR "sbawe: can't grab ports 0x%lx, 0x%lx, 0x%lx\n", hw->port1, hw->port2, hw->port3); |
| snd_emu8000_free(hw); |
| return -EBUSY; |
| } |
| hw->mem_size = 0; |
| hw->card = card; |
| hw->seq_ports = seq_ports; |
| hw->bass_level = 5; |
| hw->treble_level = 9; |
| hw->chorus_mode = 2; |
| hw->reverb_mode = 4; |
| hw->fm_chorus_depth = 0; |
| hw->fm_reverb_depth = 0; |
| |
| if (snd_emu8000_detect(hw) < 0) { |
| snd_emu8000_free(hw); |
| return -ENODEV; |
| } |
| |
| snd_emu8000_init_hw(hw); |
| if ((err = snd_emu8000_create_mixer(card, hw)) < 0) { |
| snd_emu8000_free(hw); |
| return err; |
| } |
| |
| if ((err = snd_device_new(card, SNDRV_DEV_CODEC, hw, &ops)) < 0) { |
| snd_emu8000_free(hw); |
| return err; |
| } |
| #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) |
| if (snd_seq_device_new(card, index, SNDRV_SEQ_DEV_ID_EMU8000, |
| sizeof(emu8000_t*), &awe) >= 0) { |
| strcpy(awe->name, "EMU-8000"); |
| *(emu8000_t**)SNDRV_SEQ_DEVICE_ARGPTR(awe) = hw; |
| } |
| #else |
| awe = NULL; |
| #endif |
| if (awe_ret) |
| *awe_ret = awe; |
| |
| return 0; |
| } |
| |
| |
| /* |
| * exported stuff |
| */ |
| |
| EXPORT_SYMBOL(snd_emu8000_poke); |
| EXPORT_SYMBOL(snd_emu8000_peek); |
| EXPORT_SYMBOL(snd_emu8000_poke_dw); |
| EXPORT_SYMBOL(snd_emu8000_peek_dw); |
| EXPORT_SYMBOL(snd_emu8000_dma_chan); |
| EXPORT_SYMBOL(snd_emu8000_init_fm); |
| EXPORT_SYMBOL(snd_emu8000_load_chorus_fx); |
| EXPORT_SYMBOL(snd_emu8000_load_reverb_fx); |
| EXPORT_SYMBOL(snd_emu8000_update_chorus_mode); |
| EXPORT_SYMBOL(snd_emu8000_update_reverb_mode); |
| EXPORT_SYMBOL(snd_emu8000_update_equalizer); |
