diff options
Diffstat (limited to 'kernel/sound/isa/es1688/es1688_lib.c')
| -rw-r--r-- | kernel/sound/isa/es1688/es1688_lib.c | 1047 |
1 files changed, 1047 insertions, 0 deletions
diff --git a/kernel/sound/isa/es1688/es1688_lib.c b/kernel/sound/isa/es1688/es1688_lib.c new file mode 100644 index 000000000..e2cf50884 --- /dev/null +++ b/kernel/sound/isa/es1688/es1688_lib.c @@ -0,0 +1,1047 @@ +/* + * 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 <linux/module.h> +#include <linux/io.h> +#include <sound/core.h> +#include <sound/es1688.h> +#include <sound/initval.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(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->hardware != ES1688_HW_UNDEF) + 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; + chip->hardware = ES1688_HW_UNDEF; + + chip->res_port = request_region(port + 4, 12, "ES1688"); + if (chip->res_port == NULL) { + snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); + err = -EBUSY; + goto exit; + } + + err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); + if (err < 0) { + snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); + goto exit; + } + + chip->irq = irq; + err = request_dma(dma8, "ES1688"); + + if (err < 0) { + snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); + goto exit; + } + 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) + goto exit; + + err = snd_es1688_init(chip, 1); + if (err < 0) + goto exit; + + /* Register device */ + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); +exit: + if (err) + snd_es1688_free(chip); + return err; +} + +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 *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); + return 0; +} + +/* + * MIXER part + */ + +static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[8] = { + "Mic", "Mic Master", "CD", "AOUT", + "Mic1", "Mix", "Line", "Master" + }; + + return snd_ctl_enum_info(uinfo, 1, 8, texts); +} + +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) |