| /* |
| * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
| * 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 <linux/init.h> |
| #include <linux/interrupt.h> |
| #include <linux/delay.h> |
| #include <linux/slab.h> |
| #include <linux/ioport.h> |
| #include <sound/core.h> |
| #include <sound/es1688.h> |
| #include <sound/initval.h> |
| |
| #include <asm/io.h> |
| #include <asm/dma.h> |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
| 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("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; |
| } |
| |
| static 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; |
| } |
| |
| 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("[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("[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("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("[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("[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("trigger: val = 0x%x, value = 0x%x\n", val, value); |
| printk("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); |
| } |
| kfree(chip); |
| 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, |
| unsigned long port, |
| unsigned long mpu_port, |
| int irq, |
| int mpu_irq, |
| int dma8, |
| unsigned short hardware, |
| struct snd_es1688 **rchip) |
| { |
| static struct snd_device_ops ops = { |
| .dev_free = snd_es1688_dev_free, |
| }; |
| |
| struct snd_es1688 *chip; |
| int err; |
| |
| *rchip = NULL; |
| chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
| 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); |
| snd_es1688_free(chip); |
| 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); |
| snd_es1688_free(chip); |
| return -EBUSY; |
| } |
| chip->irq = irq; |
| if (request_dma(dma8, "ES1688")) { |
| snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); |
| snd_es1688_free(chip); |
| return -EBUSY; |
| } |
| chip->dma8 = dma8; |
| |
| spin_lock_init(&chip->reg_lock); |
| spin_lock_init(&chip->mixer_lock); |
| chip->card = card; |
| 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; |
| |
| if ((err = snd_es1688_probe(chip)) < 0) { |
| snd_es1688_free(chip); |
| return err; |
| } |
| if ((err = snd_es1688_init(chip, 1)) < 0) { |
| snd_es1688_free(chip); |
| return err; |
| } |
| |
| /* Register device */ |
| if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| snd_es1688_free(chip); |
| return err; |
| } |
| |
| *rchip = chip; |
| return 0; |
| } |
| |
| 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_es1688 * chip, int device, struct snd_pcm ** rpcm) |
| { |
| struct snd_pcm *pcm; |
| int err; |
| |
| if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 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("PC Speaker 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_es1688 *chip) |
| { |
| struct snd_card *card; |
| unsigned int idx; |
| int err; |
| unsigned char reg, val; |
| |
| snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); |
| |
| card = chip->card; |
| |
| 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) |
