/* * Copyright (c) by Jaroslav Kysela * Routines for control of ESS ES1688/688/488 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 #include #include #include #include #include #include #include #include #include MODULE_AUTHOR("Jaroslav Kysela "); MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); MODULE_LICENSE("GPL"); static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val) { int i; for (i = 10000; i; i--) if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) { outb(val, ES1688P(chip, COMMAND)); return 1; } #ifdef CONFIG_SND_DEBUG printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val); #endif return 0; } static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip) { int i; for (i = 1000; i; i--) if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) return inb(ES1688P(chip, READ)); snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); return -ENODEV; } static int snd_es1688_write(struct snd_es1688 *chip, unsigned char reg, unsigned char data) { if (!snd_es1688_dsp_command(chip, reg)) return 0; return snd_es1688_dsp_command(chip, data); } static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg) { /* Read a byte from an extended mode register of ES1688 */ if (!snd_es1688_dsp_command(chip, 0xc0)) return -1; if (!snd_es1688_dsp_command(chip, reg)) return -1; return snd_es1688_dsp_get_byte(chip); } void snd_es1688_mixer_write(struct snd_es1688 *chip, unsigned char reg, unsigned char data) { outb(reg, ES1688P(chip, MIXER_ADDR)); udelay(10); outb(data, ES1688P(chip, MIXER_DATA)); udelay(10); } static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg) { unsigned char result; outb(reg, ES1688P(chip, MIXER_ADDR)); udelay(10); result = inb(ES1688P(chip, MIXER_DATA)); udelay(10); return result; } int snd_es1688_reset(struct snd_es1688 *chip) { int i; outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ udelay(10); outb(0, ES1688P(chip, RESET)); udelay(30); for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); if (inb(ES1688P(chip, READ)) != 0xaa) { snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port); return -ENODEV; } snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */ return 0; } EXPORT_SYMBOL(snd_es1688_reset); static int snd_es1688_probe(struct snd_es1688 *chip) { unsigned long flags; unsigned short major, minor, hw; int i; /* * initialization sequence */ spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ if (snd_es1688_reset(chip) < 0) { snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ))); spin_unlock_irqrestore(&chip->reg_lock, flags); return -ENODEV; } snd_es1688_dsp_command(chip, 0xe7); /* return identification */ for (i = 1000, major = minor = 0; i; i--) { if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { if (major == 0) { major = inb(ES1688P(chip, READ)); } else { minor = inb(ES1688P(chip, READ)); } } } spin_unlock_irqrestore(&chip->reg_lock, flags); snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor); chip->version = (major << 8) | minor; if (!chip->version) return -ENODEV; /* probably SB */ hw = ES1688_HW_AUTO; switch (chip->version & 0xfff0) { case 0x4880: snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, " "but driver is in another place\n", chip->port); return -ENODEV; case 0x6880: hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688; break; default: snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip " "with version 0x%x (Jazz16 soundcard?)\n", chip->port, chip->version); return -ENODEV; } spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ spin_unlock_irqrestore(&chip->reg_lock, flags); /* enable joystick, but disable OPL3 */ spin_lock_irqsave(&chip->mixer_lock, flags); snd_es1688_mixer_write(chip, 0x40, 0x01); spin_unlock_irqrestore(&chip->mixer_lock, flags); return 0; } static int snd_es1688_init(struct snd_es1688 * chip, int enable) { static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; unsigned long flags; int cfg, irq_bits, dma, dma_bits, tmp, tmp1; /* ok.. setup MPU-401 port and joystick and OPL3 */ cfg = 0x01; /* enable joystick, but disable OPL3 */ if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { tmp = (chip->mpu_port & 0x0f0) >> 4; if (tmp <= 3) { switch (chip->mpu_irq) { case 9: tmp1 = 4; break; case 5: tmp1 = 5; break; case 7: tmp1 = 6; break; case 10: tmp1 = 7; break; default: tmp1 = 0; } if (tmp1) { cfg |= (tmp << 3) | (tmp1 << 5); } } } #if 0 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg); #endif spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_mixer_write(chip, 0x40, cfg); spin_unlock_irqrestore(&chip->reg_lock, flags); /* --- */ spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_read(chip, 0xb1); snd_es1688_read(chip, 0xb2); spin_unlock_irqrestore(&chip->reg_lock, flags); if (enable) { cfg = 0xf0; /* enable only DMA counter interrupt */ irq_bits = irqs[chip->irq & 0x0f]; if (irq_bits < 0) { snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d " "for ES1688 chip!!\n", chip->port, chip->irq); #if 0 irq_bits = 0; cfg = 0x10; #endif return -EINVAL; } spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); spin_unlock_irqrestore(&chip->reg_lock, flags); cfg = 0xf0; /* extended mode DMA enable */ dma = chip->dma8; if (dma > 3 || dma == 2) { snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d " "for ES1688 chip!!\n", chip->port, dma); #if 0 dma_bits = 0; cfg = 0x00; /* disable all DMA */ #endif return -EINVAL; } else { dma_bits = dma; if (dma != 3) dma_bits++; } spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); spin_unlock_irqrestore(&chip->reg_lock, flags); } else { spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ spin_unlock_irqrestore(&chip->reg_lock, flags); } spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_read(chip, 0xb1); snd_es1688_read(chip, 0xb2); snd_es1688_reset(chip); spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } /* */ static struct snd_ratnum clocks[2] = { { .num = 795444, .den_min = 1, .den_max = 128, .den_step = 1, }, { .num = 397722, .den_min = 1, .den_max = 128, .den_step = 1, } }; static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { .nrats = 2, .rats = clocks, }; static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; unsigned int bits, divider; if (runtime->rate_num == clocks[0].num) bits = 256 - runtime->rate_den; else bits = 128 - runtime->rate_den; /* set filter register */ divider = 256 - 7160000*20/(8*82*runtime->rate); /* write result to hardware */ snd_es1688_write(chip, 0xa1, bits); snd_es1688_write(chip, 0xa2, divider); } static int snd_es1688_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg) { return snd_pcm_lib_ioctl(substream, cmd, arg); } static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) { int val; if (cmd == SNDRV_PCM_TRIGGER_STOP) { value = 0x00; } else if (cmd != SNDRV_PCM_TRIGGER_START) { return -EINVAL; } spin_lock(&chip->reg_lock); chip->trigger_value = value; val = snd_es1688_read(chip, 0xb8); if ((val < 0) || (val & 0x0f) == value) { spin_unlock(&chip->reg_lock); return -EINVAL; /* something is wrong */ } #if 0 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value); printk(KERN_DEBUG "trigger: pointer = 0x%x\n", snd_dma_pointer(chip->dma8, chip->dma_size)); #endif snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); spin_unlock(&chip->reg_lock); return 0; } static int snd_es1688_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } static int snd_es1688_hw_free(struct snd_pcm_substream *substream) { return snd_pcm_lib_free_pages(substream); } static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) { unsigned long flags; struct snd_es1688 *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned int size = snd_pcm_lib_buffer_bytes(substream); unsigned int count = snd_pcm_lib_period_bytes(substream); chip->dma_size = size; spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_reset(chip); snd_es1688_set_rate(chip, substream); snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ if (runtime->channels == 1) { if (snd_pcm_format_width(runtime->format) == 8) { /* 8. bit mono */ snd_es1688_write(chip, 0xb6, 0x80); snd_es1688_write(chip, 0xb7, 0x51); snd_es1688_write(chip, 0xb7, 0xd0); } else { /* 16. bit mono */ snd_es1688_write(chip, 0xb6, 0x00); snd_es1688_write(chip, 0xb7, 0x71); snd_es1688_write(chip, 0xb7, 0xf4); } } else { if (snd_pcm_format_width(runtime->format) == 8) { /* 8. bit stereo */ snd_es1688_write(chip, 0xb6, 0x80); snd_es1688_write(chip, 0xb7, 0x51); snd_es1688_write(chip, 0xb7, 0x98); } else { /* 16. bit stereo */ snd_es1688_write(chip, 0xb6, 0x00); snd_es1688_write(chip, 0xb7, 0x71); snd_es1688_write(chip, 0xb7, 0xbc); } } snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); spin_unlock_irqrestore(&chip->reg_lock, flags); /* --- */ count = -count; snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_write(chip, 0xa4, (unsigned char) count); snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); return snd_es1688_trigger(chip, cmd, 0x05); } static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) { unsigned long flags; struct snd_es1688 *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned int size = snd_pcm_lib_buffer_bytes(substream); unsigned int count = snd_pcm_lib_period_bytes(substream); chip->dma_size = size; spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_reset(chip); snd_es1688_set_rate(chip, substream); snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ if (runtime->channels == 1) { if (snd_pcm_format_width(runtime->format) == 8) { /* 8. bit mono */ snd_es1688_write(chip, 0xb7, 0x51); snd_es1688_write(chip, 0xb7, 0xd0); } else { /* 16. bit mono */ snd_es1688_write(chip, 0xb7, 0x71); snd_es1688_write(chip, 0xb7, 0xf4); } } else { if (snd_pcm_format_width(runtime->format) == 8) { /* 8. bit stereo */ snd_es1688_write(chip, 0xb7, 0x51); snd_es1688_write(chip, 0xb7, 0x98); } else { /* 16. bit stereo */ snd_es1688_write(chip, 0xb7, 0x71); snd_es1688_write(chip, 0xb7, 0xbc); } } snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); spin_unlock_irqrestore(&chip->reg_lock, flags); /* --- */ count = -count; snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); spin_lock_irqsave(&chip->reg_lock, flags); snd_es1688_write(chip, 0xa4, (unsigned char) count); snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); return snd_es1688_trigger(chip, cmd, 0x0f); } static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) { struct snd_es1688 *chip = dev_id; if (chip->trigger_value == 0x05) /* ok.. playback is active */ snd_pcm_period_elapsed(chip->playback_substream); if (chip->trigger_value == 0x0f) /* ok.. capture is active */ snd_pcm_period_elapsed(chip->capture_substream); inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ return IRQ_HANDLED; } static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); size_t ptr; if (chip->trigger_value != 0x05) return 0; ptr = snd_dma_pointer(chip->dma8, chip->dma_size); return bytes_to_frames(substream->runtime, ptr); } static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); size_t ptr; if (chip->trigger_value != 0x0f) return 0; ptr = snd_dma_pointer(chip->dma8, chip->dma_size); return bytes_to_frames(substream->runtime, ptr); } /* */ static struct snd_pcm_hardware snd_es1688_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rate_min = 4000, .rate_max = 48000, .channels_min = 1, .channels_max = 2, .buffer_bytes_max = 65536, .period_bytes_min = 64, .period_bytes_max = 65536, .periods_min = 1, .periods_max = 1024, .fifo_size = 0, }; static struct snd_pcm_hardware snd_es1688_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rate_min = 4000, .rate_max = 48000, .channels_min = 1, .channels_max = 2, .buffer_bytes_max = 65536, .period_bytes_min = 64, .period_bytes_max = 65536, .periods_min = 1, .periods_max = 1024, .fifo_size = 0, }; /* */ static int snd_es1688_playback_open(struct snd_pcm_substream *substream) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; if (chip->capture_substream != NULL) return -EAGAIN; chip->playback_substream = substream; runtime->hw = snd_es1688_playback; snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_clocks); return 0; } static int snd_es1688_capture_open(struct snd_pcm_substream *substream) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; if (chip->playback_substream != NULL) return -EAGAIN; chip->capture_substream = substream; runtime->hw = snd_es1688_capture; snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_clocks); return 0; } static int snd_es1688_playback_close(struct snd_pcm_substream *substream) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); chip->playback_substream = NULL; return 0; } static int snd_es1688_capture_close(struct snd_pcm_substream *substream) { struct snd_es1688 *chip = snd_pcm_substream_chip(substream); chip->capture_substream = NULL; return 0; } static int snd_es1688_free(struct snd_es1688 *chip) { if (chip->res_port) { snd_es1688_init(chip, 0); release_and_free_resource(chip->res_port); } if (chip->irq >= 0) free_irq(chip->irq, (void *) chip); if (chip->dma8 >= 0) { disable_dma(chip->dma8); free_dma(chip->dma8); } return 0; } static int snd_es1688_dev_free(struct snd_device *device) { struct snd_es1688 *chip = device->device_data; return snd_es1688_free(chip); } static const char *snd_es1688_chip_id(struct snd_es1688 *chip) { static char tmp[16]; sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); return tmp; } int snd_es1688_create(struct snd_card *card, struct snd_es1688 *chip, unsigned long port, unsigned long mpu_port, int irq, int mpu_irq, int dma8, unsigned short hardware) { static struct snd_device_ops ops = { .dev_free = snd_es1688_dev_free, }; int err; if (chip == NULL) return -ENOMEM; chip->irq = -1; chip->dma8 = -1; if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) { snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); return -EBUSY; } if (request_irq(irq, snd_es1688_interrupt, IRQF_DISABLED, "ES1688", (void *) chip)) { snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); return -EBUSY; } chip->irq = irq; if (request_dma(dma8, "ES1688")) { snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); return -EBUSY; } chip->dma8 = dma8; spin_lock_init(&chip->reg_lock); spin_lock_init(&chip->mixer_lock); chip->port = port; mpu_port &= ~0x000f; if (mpu_port < 0x300 || mpu_port > 0x330) mpu_port = 0; chip->mpu_port = mpu_port; chip->mpu_irq = mpu_irq; chip->hardware = hardware; err = snd_es1688_probe(chip); if (err < 0) return err; err = snd_es1688_init(chip, 1); if (err < 0) return err; /* Register device */ return snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); } static struct snd_pcm_ops snd_es1688_playback_ops = { .open = snd_es1688_playback_open, .close = snd_es1688_playback_close, .ioctl = snd_es1688_ioctl, .hw_params = snd_es1688_hw_params, .hw_free = snd_es1688_hw_free, .prepare = snd_es1688_playback_prepare, .trigger = snd_es1688_playback_trigger, .pointer = snd_es1688_playback_pointer, }; static struct snd_pcm_ops snd_es1688_capture_ops = { .open = snd_es1688_capture_open, .close = snd_es1688_capture_close, .ioctl = snd_es1688_ioctl, .hw_params = snd_es1688_hw_params, .hw_free = snd_es1688_hw_free, .prepare = snd_es1688_capture_prepare, .trigger = snd_es1688_capture_trigger, .pointer = snd_es1688_capture_pointer, }; int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device, struct snd_pcm **rpcm) { struct snd_pcm *pcm; int err; err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); pcm->private_data = chip; pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; sprintf(pcm->name, snd_es1688_chip_id(chip)); chip->pcm = pcm; snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), 64*1024, 64*1024); if (rpcm) *rpcm = pcm; return 0; } /* * MIXER part */ static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static char *texts[9] = { "Mic", "Mic Master", "CD", "AOUT", "Mic1", "Mix", "Line", "Master" }; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = 8; if (uinfo->value.enumerated.item > 7) uinfo->value.enumerated.item = 7; strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); return 0; } static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; return 0; } static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; unsigned char oval, nval; int change; if (ucontrol->value.enumerated.item[0] > 8) return -EINVAL; spin_lock_irqsave(&chip->reg_lock, flags); oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); change = nval != oval; if (change) snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_es1688_info_single, \ .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 16) & 0xff; uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; } static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; spin_unlock_irqrestore(&chip->reg_lock, flags); if (invert) ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; return 0; } static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; int change; unsigned char oval, nval; nval = (ucontrol->value.integer.value[0] & mask); if (invert) nval = mask - nval; nval <<= shift; spin_lock_irqsave(&chip->reg_lock, flags); oval = snd_es1688_mixer_read(chip, reg); nval = (oval & ~(mask << shift)) | nval; change = nval != oval; if (change) snd_es1688_mixer_write(chip, reg, nval); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ .info = snd_es1688_info_double, \ .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 24) & 0xff; uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; } static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; int shift_left = (kcontrol->private_value >> 16) & 0x07; int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; unsigned char left, right; spin_lock_irqsave(&chip->reg_lock, flags); if (left_reg < 0xa0) left = snd_es1688_mixer_read(chip, left_reg); else left = snd_es1688_read(chip, left_reg); if (left_reg != right_reg) { if (right_reg < 0xa0) right = snd_es1688_mixer_read(chip, right_reg); else right = snd_es1688_read(chip, right_reg); } else right = left; spin_unlock_irqrestore(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (left >> shift_left) & mask; ucontrol->value.integer.value[1] = (right >> shift_right) & mask; if (invert) { ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; } return 0; } static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; int shift_left = (kcontrol->private_value >> 16) & 0x07; int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; int change; unsigned char val1, val2, oval1, oval2; val1 = ucontrol->value.integer.value[0] & mask; val2 = ucontrol->value.integer.value[1] & mask; if (invert) { val1 = mask - val1; val2 = mask - val2; } val1 <<= shift_left; val2 <<= shift_right; spin_lock_irqsave(&chip->reg_lock, flags); if (left_reg != right_reg) { if (left_reg < 0xa0) oval1 = snd_es1688_mixer_read(chip, left_reg); else oval1 = snd_es1688_read(chip, left_reg); if (right_reg < 0xa0) oval2 = snd_es1688_mixer_read(chip, right_reg); else oval2 = snd_es1688_read(chip, right_reg); val1 = (oval1 & ~(mask << shift_left)) | val1; val2 = (oval2 & ~(mask << shift_right)) | val2; change = val1 != oval1 || val2 != oval2; if (change) { if (left_reg < 0xa0) snd_es1688_mixer_write(chip, left_reg, val1); else snd_es1688_write(chip, left_reg, val1); if (right_reg < 0xa0) snd_es1688_mixer_write(chip, right_reg, val1); else snd_es1688_write(chip, right_reg, val1); } } else { if (left_reg < 0xa0) oval1 = snd_es1688_mixer_read(chip, left_reg); else oval1 = snd_es1688_read(chip, left_reg); val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; change = val1 != oval1; if (change) { if (left_reg < 0xa0) snd_es1688_mixer_write(chip, left_reg, val1); else snd_es1688_write(chip, left_reg, val1); } } spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } static struct snd_kcontrol_new snd_es1688_controls[] = { ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", .info = snd_es1688_info_mux, .get = snd_es1688_get_mux, .put = snd_es1688_put_mux, }, }; #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) static unsigned char snd_es1688_init_table[][2] = { { ES1688_MASTER_DEV, 0 }, { ES1688_PCM_DEV, 0 }, { ES1688_LINE_DEV, 0 }, { ES1688_CD_DEV, 0 }, { ES1688_FM_DEV, 0 }, { ES1688_MIC_DEV, 0 }, { ES1688_AUX_DEV, 0 }, { ES1688_SPEAKER_DEV, 0 }, { ES1688_RECLEV_DEV, 0 }, { ES1688_REC_DEV, 0x17 } }; int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) { unsigned int idx; int err; unsigned char reg, val; if (snd_BUG_ON(!chip || !card)) return -EINVAL; strcpy(card->mixername, snd_es1688_chip_id(chip)); for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) return err; } for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { reg = snd_es1688_init_table[idx][0]; val = snd_es1688_init_table[idx][1]; if (reg < 0xa0) snd_es1688_mixer_write(chip, reg, val); else snd_es1688_write(chip, reg, val); } return 0; } EXPORT_SYMBOL(snd_es1688_mixer_write); EXPORT_SYMBOL(snd_es1688_create); EXPORT_SYMBOL(snd_es1688_pcm); EXPORT_SYMBOL(snd_es1688_mixer); /* * INIT part */ static int __init alsa_es1688_init(void) { return 0; } static void __exit alsa_es1688_exit(void) { } module_init(alsa_es1688_init) module_exit(alsa_es1688_exit)