--- /dev/null
+/*
+ * 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)
Code Review / kvmfornfv.git / blobdiff