diff options
Diffstat (limited to 'sound/pci/es1938.c')
| -rw-r--r-- | sound/pci/es1938.c | 1773 |
1 files changed, 1773 insertions, 0 deletions
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c new file mode 100644 index 00000000000..b4ca8adf393 --- /dev/null +++ b/sound/pci/es1938.c @@ -0,0 +1,1773 @@ +/* + * Driver for ESS Solo-1 (ES1938, ES1946, ES1969) soundcard + * Copyright (c) by Jaromir Koutek <miri@punknet.cz>, + * Jaroslav Kysela <perex@suse.cz>, + * Thomas Sailer <sailer@ife.ee.ethz.ch>, + * Abramo Bagnara <abramo@alsa-project.org>, + * Markus Gruber <gruber@eikon.tum.de> + * + * Rewritten from sonicvibes.c source. + * + * TODO: + * Rewrite better spinlocks + * + * + * 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 + * + */ + +/* + NOTES: + - Capture data is written unaligned starting from dma_base + 1 so I need to + disable mmap and to add a copy callback. + - After several cycle of the following: + while : ; do arecord -d1 -f cd -t raw | aplay -f cd ; done + a "playback write error (DMA or IRQ trouble?)" may happen. + This is due to playback interrupts not generated. + I suspect a timing issue. + - Sometimes the interrupt handler is invoked wrongly during playback. + This generates some harmless "Unexpected hw_pointer: wrong interrupt + acknowledge". + I've seen that using small period sizes. + Reproducible with: + mpg123 test.mp3 & + hdparm -t -T /dev/hda +*/ + + +#include <sound/driver.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/gameport.h> +#include <linux/moduleparam.h> +#include <linux/delay.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/pcm.h> +#include <sound/opl3.h> +#include <sound/mpu401.h> +#include <sound/initval.h> + +#include <asm/io.h> + +MODULE_AUTHOR("Jaromir Koutek <miri@punknet.cz>"); +MODULE_DESCRIPTION("ESS Solo-1"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{ESS,ES1938}," + "{ESS,ES1946}," + "{ESS,ES1969}," + "{TerraTec,128i PCI}}"); + +#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) +#define SUPPORT_JOYSTICK 1 +#endif + +#ifndef PCI_VENDOR_ID_ESS +#define PCI_VENDOR_ID_ESS 0x125d +#endif +#ifndef PCI_DEVICE_ID_ESS_ES1938 +#define PCI_DEVICE_ID_ESS_ES1938 0x1969 +#endif + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for ESS Solo-1 soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for ESS Solo-1 soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable ESS Solo-1 soundcard."); + +#define SLIO_REG(chip, x) ((chip)->io_port + ESSIO_REG_##x) + +#define SLDM_REG(chip, x) ((chip)->ddma_port + ESSDM_REG_##x) + +#define SLSB_REG(chip, x) ((chip)->sb_port + ESSSB_REG_##x) + +#define SL_PCI_LEGACYCONTROL 0x40 +#define SL_PCI_CONFIG 0x50 +#define SL_PCI_DDMACONTROL 0x60 + +#define ESSIO_REG_AUDIO2DMAADDR 0 +#define ESSIO_REG_AUDIO2DMACOUNT 4 +#define ESSIO_REG_AUDIO2MODE 6 +#define ESSIO_REG_IRQCONTROL 7 + +#define ESSDM_REG_DMAADDR 0x00 +#define ESSDM_REG_DMACOUNT 0x04 +#define ESSDM_REG_DMACOMMAND 0x08 +#define ESSDM_REG_DMASTATUS 0x08 +#define ESSDM_REG_DMAMODE 0x0b +#define ESSDM_REG_DMACLEAR 0x0d +#define ESSDM_REG_DMAMASK 0x0f + +#define ESSSB_REG_FMLOWADDR 0x00 +#define ESSSB_REG_FMHIGHADDR 0x02 +#define ESSSB_REG_MIXERADDR 0x04 +#define ESSSB_REG_MIXERDATA 0x05 + +#define ESSSB_IREG_AUDIO1 0x14 +#define ESSSB_IREG_MICMIX 0x1a +#define ESSSB_IREG_RECSRC 0x1c +#define ESSSB_IREG_MASTER 0x32 +#define ESSSB_IREG_FM 0x36 +#define ESSSB_IREG_AUXACD 0x38 +#define ESSSB_IREG_AUXB 0x3a +#define ESSSB_IREG_PCSPEAKER 0x3c +#define ESSSB_IREG_LINE 0x3e +#define ESSSB_IREG_SPATCONTROL 0x50 +#define ESSSB_IREG_SPATLEVEL 0x52 +#define ESSSB_IREG_MASTER_LEFT 0x60 +#define ESSSB_IREG_MASTER_RIGHT 0x62 +#define ESSSB_IREG_MPU401CONTROL 0x64 +#define ESSSB_IREG_MICMIXRECORD 0x68 +#define ESSSB_IREG_AUDIO2RECORD 0x69 +#define ESSSB_IREG_AUXACDRECORD 0x6a +#define ESSSB_IREG_FMRECORD 0x6b +#define ESSSB_IREG_AUXBRECORD 0x6c +#define ESSSB_IREG_MONO 0x6d +#define ESSSB_IREG_LINERECORD 0x6e +#define ESSSB_IREG_MONORECORD 0x6f +#define ESSSB_IREG_AUDIO2SAMPLE 0x70 +#define ESSSB_IREG_AUDIO2MODE 0x71 +#define ESSSB_IREG_AUDIO2FILTER 0x72 +#define ESSSB_IREG_AUDIO2TCOUNTL 0x74 +#define ESSSB_IREG_AUDIO2TCOUNTH 0x76 +#define ESSSB_IREG_AUDIO2CONTROL1 0x78 +#define ESSSB_IREG_AUDIO2CONTROL2 0x7a +#define ESSSB_IREG_AUDIO2 0x7c + +#define ESSSB_REG_RESET 0x06 + +#define ESSSB_REG_READDATA 0x0a +#define ESSSB_REG_WRITEDATA 0x0c +#define ESSSB_REG_READSTATUS 0x0c + +#define ESSSB_REG_STATUS 0x0e + +#define ESS_CMD_EXTSAMPLERATE 0xa1 +#define ESS_CMD_FILTERDIV 0xa2 +#define ESS_CMD_DMACNTRELOADL 0xa4 +#define ESS_CMD_DMACNTRELOADH 0xa5 +#define ESS_CMD_ANALOGCONTROL 0xa8 +#define ESS_CMD_IRQCONTROL 0xb1 +#define ESS_CMD_DRQCONTROL 0xb2 +#define ESS_CMD_RECLEVEL 0xb4 +#define ESS_CMD_SETFORMAT 0xb6 +#define ESS_CMD_SETFORMAT2 0xb7 +#define ESS_CMD_DMACONTROL 0xb8 +#define ESS_CMD_DMATYPE 0xb9 +#define ESS_CMD_OFFSETLEFT 0xba +#define ESS_CMD_OFFSETRIGHT 0xbb +#define ESS_CMD_READREG 0xc0 +#define ESS_CMD_ENABLEEXT 0xc6 +#define ESS_CMD_PAUSEDMA 0xd0 +#define ESS_CMD_ENABLEAUDIO1 0xd1 +#define ESS_CMD_STOPAUDIO1 0xd3 +#define ESS_CMD_AUDIO1STATUS 0xd8 +#define ESS_CMD_CONTDMA 0xd4 +#define ESS_CMD_TESTIRQ 0xf2 + +#define ESS_RECSRC_MIC 0 +#define ESS_RECSRC_AUXACD 2 +#define ESS_RECSRC_AUXB 5 +#define ESS_RECSRC_LINE 6 +#define ESS_RECSRC_NONE 7 + +#define DAC1 0x01 +#define ADC1 0x02 +#define DAC2 0x04 + +/* + + */ + +typedef struct _snd_es1938 es1938_t; + +#define SAVED_REG_SIZE 32 /* max. number of registers to save */ + +struct _snd_es1938 { + int irq; + + unsigned long io_port; + unsigned long sb_port; + unsigned long vc_port; + unsigned long mpu_port; + unsigned long game_port; + unsigned long ddma_port; + + unsigned char irqmask; + unsigned char revision; + + snd_kcontrol_t *hw_volume; + snd_kcontrol_t *hw_switch; + snd_kcontrol_t *master_volume; + snd_kcontrol_t *master_switch; + + struct pci_dev *pci; + snd_card_t *card; + snd_pcm_t *pcm; + snd_pcm_substream_t *capture_substream; + snd_pcm_substream_t *playback1_substream; + snd_pcm_substream_t *playback2_substream; + snd_kmixer_t *mixer; + snd_rawmidi_t *rmidi; + + unsigned int dma1_size; + unsigned int dma2_size; + unsigned int dma1_start; + unsigned int dma2_start; + unsigned int dma1_shift; + unsigned int dma2_shift; + unsigned int active; + + spinlock_t reg_lock; + spinlock_t mixer_lock; + snd_info_entry_t *proc_entry; + +#ifdef SUPPORT_JOYSTICK + struct gameport *gameport; +#endif +#ifdef CONFIG_PM + unsigned char saved_regs[SAVED_REG_SIZE]; +#endif +}; + +static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id, struct pt_regs *regs); + +static struct pci_device_id snd_es1938_ids[] = { + { 0x125d, 0x1969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* Solo-1 */ + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, snd_es1938_ids); + +#define RESET_LOOP_TIMEOUT 0x10000 +#define WRITE_LOOP_TIMEOUT 0x10000 +#define GET_LOOP_TIMEOUT 0x01000 + +#undef REG_DEBUG +/* ----------------------------------------------------------------- + * Write to a mixer register + * -----------------------------------------------------------------*/ +static void snd_es1938_mixer_write(es1938_t *chip, unsigned char reg, unsigned char val) +{ + unsigned long flags; + spin_lock_irqsave(&chip->mixer_lock, flags); + outb(reg, SLSB_REG(chip, MIXERADDR)); + outb(val, SLSB_REG(chip, MIXERDATA)); + spin_unlock_irqrestore(&chip->mixer_lock, flags); +#ifdef REG_DEBUG + snd_printk("Mixer reg %02x set to %02x\n", reg, val); +#endif +} + +/* ----------------------------------------------------------------- + * Read from a mixer register + * -----------------------------------------------------------------*/ +static int snd_es1938_mixer_read(es1938_t *chip, unsigned char reg) +{ + int data; + unsigned long flags; + spin_lock_irqsave(&chip->mixer_lock, flags); + outb(reg, SLSB_REG(chip, MIXERADDR)); + data = inb(SLSB_REG(chip, MIXERDATA)); + spin_unlock_irqrestore(&chip->mixer_lock, flags); +#ifdef REG_DEBUG + snd_printk("Mixer reg %02x now is %02x\n", reg, data); +#endif + return data; +} + +/* ----------------------------------------------------------------- + * Write to some bits of a mixer register (return old value) + * -----------------------------------------------------------------*/ +static int snd_es1938_mixer_bits(es1938_t *chip, unsigned char reg, unsigned char mask, unsigned char val) +{ + unsigned long flags; + unsigned char old, new, oval; + spin_lock_irqsave(&chip->mixer_lock, flags); + outb(reg, SLSB_REG(chip, MIXERADDR)); + old = inb(SLSB_REG(chip, MIXERDATA)); + oval = old & mask; + if (val != oval) { + new = (old & ~mask) | (val & mask); + outb(new, SLSB_REG(chip, MIXERDATA)); +#ifdef REG_DEBUG + snd_printk("Mixer reg %02x was %02x, set to %02x\n", reg, old, new); +#endif + } + spin_unlock_irqrestore(&chip->mixer_lock, flags); + return oval; +} + +/* ----------------------------------------------------------------- + * Write command to Controller Registers + * -----------------------------------------------------------------*/ +static void snd_es1938_write_cmd(es1938_t *chip, unsigned char cmd) +{ + int i; + unsigned char v; + for (i = 0; i < WRITE_LOOP_TIMEOUT; i++) { + if (!(v = inb(SLSB_REG(chip, READSTATUS)) & 0x80)) { + outb(cmd, SLSB_REG(chip, WRITEDATA)); + return; + } + } + printk("snd_es1938_write_cmd timeout (0x02%x/0x02%x)\n", cmd, v); +} + +/* ----------------------------------------------------------------- + * Read the Read Data Buffer + * -----------------------------------------------------------------*/ +static int snd_es1938_get_byte(es1938_t *chip) +{ + int i; + unsigned char v; + for (i = GET_LOOP_TIMEOUT; i; i--) + if ((v = inb(SLSB_REG(chip, STATUS))) & 0x80) + return inb(SLSB_REG(chip, READDATA)); + snd_printk("get_byte timeout: status 0x02%x\n", v); + return -ENODEV; +} + +/* ----------------------------------------------------------------- + * Write value cmd register + * -----------------------------------------------------------------*/ +static void snd_es1938_write(es1938_t *chip, unsigned char reg, unsigned char val) +{ + unsigned long flags; + spin_lock_irqsave(&chip->reg_lock, flags); + snd_es1938_write_cmd(chip, reg); + snd_es1938_write_cmd(chip, val); + spin_unlock_irqrestore(&chip->reg_lock, flags); +#ifdef REG_DEBUG + snd_printk("Reg %02x set to %02x\n", reg, val); +#endif +} + +/* ----------------------------------------------------------------- + * Read data from cmd register and return it + * -----------------------------------------------------------------*/ +static unsigned char snd_es1938_read(es1938_t *chip, unsigned char reg) +{ + unsigned char val; + unsigned long flags; + spin_lock_irqsave(&chip->reg_lock, flags); + snd_es1938_write_cmd(chip, ESS_CMD_READREG); + snd_es1938_write_cmd(chip, reg); + val = snd_es1938_get_byte(chip); + spin_unlock_irqrestore(&chip->reg_lock, flags); +#ifdef REG_DEBUG + snd_printk("Reg %02x now is %02x\n", reg, val); +#endif + return val; +} + +/* ----------------------------------------------------------------- + * Write data to cmd register and return old value + * -----------------------------------------------------------------*/ +static int snd_es1938_bits(es1938_t *chip, unsigned char reg, unsigned char mask, unsigned char val) +{ + unsigned long flags; + unsigned char old, new, oval; + spin_lock_irqsave(&chip->reg_lock, flags); + snd_es1938_write_cmd(chip, ESS_CMD_READREG); + snd_es1938_write_cmd(chip, reg); + old = snd_es1938_get_byte(chip); + oval = old & mask; + if (val != oval) { + snd_es1938_write_cmd(chip, reg); + new = (old & ~mask) | (val & mask); + snd_es1938_write_cmd(chip, new); +#ifdef REG_DEBUG + snd_printk("Reg %02x was %02x, set to %02x\n", reg, old, new); +#endif + } + spin_unlock_irqrestore(&chip->reg_lock, flags); + return oval; +} + +/* -------------------------------------------------------------------- + * Reset the chip + * --------------------------------------------------------------------*/ +static void snd_es1938_reset(es1938_t *chip) +{ + int i; + + outb(3, SLSB_REG(chip, RESET)); + inb(SLSB_REG(chip, RESET)); + outb(0, SLSB_REG(chip, RESET)); + for (i = 0; i < RESET_LOOP_TIMEOUT; i++) { + if (inb(SLSB_REG(chip, STATUS)) & 0x80) { + if (inb(SLSB_REG(chip, READDATA)) == 0xaa) + goto __next; + } + } + snd_printk("ESS Solo-1 reset failed\n"); + + __next: + snd_es1938_write_cmd(chip, ESS_CMD_ENABLEEXT); + + /* Demand transfer DMA: 4 bytes per DMA request */ + snd_es1938_write(chip, ESS_CMD_DMATYPE, 2); + + /* Change behaviour of register A1 + 4x oversampling + 2nd channel DAC asynchronous */ + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2MODE, 0x32); + /* enable/select DMA channel and IRQ channel */ + snd_es1938_bits(chip, ESS_CMD_IRQCONTROL, 0xf0, 0x50); + snd_es1938_bits(chip, ESS_CMD_DRQCONTROL, 0xf0, 0x50); + snd_es1938_write_cmd(chip, ESS_CMD_ENABLEAUDIO1); + /* Set spatializer parameters to recommended values */ + snd_es1938_mixer_write(chip, 0x54, 0x8f); + snd_es1938_mixer_write(chip, 0x56, 0x95); + snd_es1938_mixer_write(chip, 0x58, 0x94); + snd_es1938_mixer_write(chip, 0x5a, 0x80); +} + +/* -------------------------------------------------------------------- + * Reset the FIFOs + * --------------------------------------------------------------------*/ +static void snd_es1938_reset_fifo(es1938_t *chip) +{ + outb(2, SLSB_REG(chip, RESET)); + outb(0, SLSB_REG(chip, RESET)); +} + +static ratnum_t clocks[2] = { + { + .num = 793800, + .den_min = 1, + .den_max = 128, + .den_step = 1, + }, + { + .num = 768000, + .den_min = 1, + .den_max = 128, + .den_step = 1, + } +}; + +static snd_pcm_hw_constraint_ratnums_t hw_constraints_clocks = { + .nrats = 2, + .rats = clocks, +}; + + +static void snd_es1938_rate_set(es1938_t *chip, + snd_pcm_substream_t *substream, + int mode) +{ + unsigned int bits, div0; + snd_pcm_runtime_t *runtime = substream->runtime; + if (runtime->rate_num == clocks[0].num) + bits = 128 - runtime->rate_den; + else + bits = 256 - runtime->rate_den; + + /* set filter register */ + div0 = 256 - 7160000*20/(8*82*runtime->rate); + + if (mode == DAC2) { + snd_es1938_mixer_write(chip, 0x70, bits); + snd_es1938_mixer_write(chip, 0x72, div0); + } else { + snd_es1938_write(chip, 0xA1, bits); + snd_es1938_write(chip, 0xA2, div0); + } +} + +/* -------------------------------------------------------------------- + * Configure Solo1 builtin DMA Controller + * --------------------------------------------------------------------*/ + +static void snd_es1938_playback1_setdma(es1938_t *chip) +{ + outb(0x00, SLIO_REG(chip, AUDIO2MODE)); + outl(chip->dma2_start, SLIO_REG(chip, AUDIO2DMAADDR)); + outw(0, SLIO_REG(chip, AUDIO2DMACOUNT)); + outw(chip->dma2_size, SLIO_REG(chip, AUDIO2DMACOUNT)); +} + +static void snd_es1938_playback2_setdma(es1938_t *chip) +{ + /* Enable DMA controller */ + outb(0xc4, SLDM_REG(chip, DMACOMMAND)); + /* 1. Master reset */ + outb(0, SLDM_REG(chip, DMACLEAR)); + /* 2. Mask DMA */ + outb(1, SLDM_REG(chip, DMAMASK)); + outb(0x18, SLDM_REG(chip, DMAMODE)); + outl(chip->dma1_start, SLDM_REG(chip, DMAADDR)); + outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT)); + /* 3. Unmask DMA */ + outb(0, SLDM_REG(chip, DMAMASK)); +} + +static void snd_es1938_capture_setdma(es1938_t *chip) +{ + /* Enable DMA controller */ + outb(0xc4, SLDM_REG(chip, DMACOMMAND)); + /* 1. Master reset */ + outb(0, SLDM_REG(chip, DMACLEAR)); + /* 2. Mask DMA */ + outb(1, SLDM_REG(chip, DMAMASK)); + outb(0x14, SLDM_REG(chip, DMAMODE)); + outl(chip->dma1_start, SLDM_REG(chip, DMAADDR)); + outw(chip->dma1_size - 1, SLDM_REG(chip, DMACOUNT)); + /* 3. Unmask DMA */ + outb(0, SLDM_REG(chip, DMAMASK)); +} + +/* ---------------------------------------------------------------------- + * + * *** PCM part *** + */ + +static int snd_es1938_capture_trigger(snd_pcm_substream_t * substream, + int cmd) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + int val; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + val = 0x0f; + chip->active |= ADC1; + break; + case SNDRV_PCM_TRIGGER_STOP: + val = 0x00; + chip->active &= ~ADC1; + break; + default: + return -EINVAL; + } + snd_es1938_write(chip, ESS_CMD_DMACONTROL, val); + return 0; +} + +static int snd_es1938_playback1_trigger(snd_pcm_substream_t * substream, + int cmd) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + /* According to the documentation this should be: + 0x13 but that value may randomly swap stereo channels */ + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x92); + udelay(10); + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x93); + /* This two stage init gives the FIFO -> DAC connection time to + * settle before first data from DMA flows in. This should ensure + * no swapping of stereo channels. Report a bug if otherwise :-) */ + outb(0x0a, SLIO_REG(chip, AUDIO2MODE)); + chip->active |= DAC2; + break; + case SNDRV_PCM_TRIGGER_STOP: + outb(0, SLIO_REG(chip, AUDIO2MODE)); + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0); + chip->active &= ~DAC2; + break; + default: + return -EINVAL; + } + return 0; +} + +static int snd_es1938_playback2_trigger(snd_pcm_substream_t * substream, + int cmd) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + int val; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + val = 5; + chip->active |= DAC1; + break; + case SNDRV_PCM_TRIGGER_STOP: + val = 0; + chip->active &= ~DAC1; + break; + default: + return -EINVAL; + } + snd_es1938_write(chip, ESS_CMD_DMACONTROL, val); + return 0; +} + +static int snd_es1938_playback_trigger(snd_pcm_substream_t *substream, + int cmd) +{ + switch (substream->number) { + case 0: + return snd_es1938_playback1_trigger(substream, cmd); + case 1: + return snd_es1938_playback2_trigger(substream, cmd); + } + snd_BUG(); + return -EINVAL; +} + +/* -------------------------------------------------------------------- + * First channel for Extended Mode Audio 1 ADC Operation + * --------------------------------------------------------------------*/ +static int snd_es1938_capture_prepare(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int u, is8, mono; + unsigned int size = snd_pcm_lib_buffer_bytes(substream); + unsigned int count = snd_pcm_lib_period_bytes(substream); + + chip->dma1_size = size; + chip->dma1_start = runtime->dma_addr; + + mono = (runtime->channels > 1) ? 0 : 1; + is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; + u = snd_pcm_format_unsigned(runtime->format); + + chip->dma1_shift = 2 - mono - is8; + + snd_es1938_reset_fifo(chip); + + /* program type */ + snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1)); + + /* set clock and counters */ + snd_es1938_rate_set(chip, substream, ADC1); + + count = 0x10000 - count; + snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff); + snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8); + + /* initialize and configure ADC */ + snd_es1938_write(chip, ESS_CMD_SETFORMAT2, u ? 0x51 : 0x71); + snd_es1938_write(chip, ESS_CMD_SETFORMAT2, 0x90 | + (u ? 0x00 : 0x20) | + (is8 ? 0x00 : 0x04) | + (mono ? 0x40 : 0x08)); + + // snd_es1938_reset_fifo(chip); + + /* 11. configure system interrupt controller and DMA controller */ + snd_es1938_capture_setdma(chip); + + return 0; +} + + +/* ------------------------------------------------------------------------------ + * Second Audio channel DAC Operation + * ------------------------------------------------------------------------------*/ +static int snd_es1938_playback1_prepare(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int u, is8, mono; + unsigned int size = snd_pcm_lib_buffer_bytes(substream); + unsigned int count = snd_pcm_lib_period_bytes(substream); + + chip->dma2_size = size; + chip->dma2_start = runtime->dma_addr; + + mono = (runtime->channels > 1) ? 0 : 1; + is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; + u = snd_pcm_format_unsigned(runtime->format); + + chip->dma2_shift = 2 - mono - is8; + + snd_es1938_reset_fifo(chip); + + /* set clock and counters */ + snd_es1938_rate_set(chip, substream, DAC2); + + count >>= 1; + count = 0x10000 - count; + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTL, count & 0xff); + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2TCOUNTH, count >> 8); + + /* initialize and configure Audio 2 DAC */ + snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x40 | (u ? 0 : 4) | (mono ? 0 : 2) | (is8 ? 0 : 1)); + + /* program DMA */ + snd_es1938_playback1_setdma(chip); + + return 0; +} + +static int snd_es1938_playback2_prepare(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int u, is8, mono; + unsigned int size = snd_pcm_lib_buffer_bytes(substream); + unsigned int count = snd_pcm_lib_period_bytes(substream); + + chip->dma1_size = size; + chip->dma1_start = runtime->dma_addr; + + mono = (runtime->channels > 1) ? 0 : 1; + is8 = snd_pcm_format_width(runtime->format) == 16 ? 0 : 1; + u = snd_pcm_format_unsigned(runtime->format); + + chip->dma1_shift = 2 - mono - is8; + + count = 0x10000 - count; + + /* reset */ + snd_es1938_reset_fifo(chip); + + snd_es1938_bits(chip, ESS_CMD_ANALOGCONTROL, 0x03, (mono ? 2 : 1)); + + /* set clock and counters */ + snd_es1938_rate_set(chip, substream, DAC1); + snd_es1938_write(chip, ESS_CMD_DMACNTRELOADL, count & 0xff); + snd_es1938_write(chip, ESS_CMD_DMACNTRELOADH, count >> 8); + + /* initialized and configure DAC */ + snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x80 : 0x00); + snd_es1938_write(chip, ESS_CMD_SETFORMAT, u ? 0x51 : 0x71); + snd_es1938_write(chip, ESS_CMD_SETFORMAT2, + 0x90 | (mono ? 0x40 : 0x08) | + (is8 ? 0x00 : 0x04) | (u ? 0x00 : 0x20)); + + /* program DMA */ + snd_es1938_playback2_setdma(chip); + + return 0; +} + +static int snd_es1938_playback_prepare(snd_pcm_substream_t *substream) +{ + switch (substream->number) { + case 0: + return snd_es1938_playback1_prepare(substream); + case 1: + return snd_es1938_playback2_prepare(substream); + } + snd_BUG(); + return -EINVAL; +} + +static snd_pcm_uframes_t snd_es1938_capture_pointer(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + size_t ptr; + size_t old, new; +#if 1 + /* This stuff is *needed*, don't ask why - AB */ + old = inw(SLDM_REG(chip, DMACOUNT)); + while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old) + old = new; + ptr = chip->dma1_size - 1 - new; +#else + ptr = inl(SLDM_REG(chip, DMAADDR)) - chip->dma1_start; +#endif + return ptr >> chip->dma1_shift; +} + +static snd_pcm_uframes_t snd_es1938_playback1_pointer(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + size_t ptr; +#if 1 + ptr = chip->dma2_size - inw(SLIO_REG(chip, AUDIO2DMACOUNT)); +#else + ptr = inl(SLIO_REG(chip, AUDIO2DMAADDR)) - chip->dma2_start; +#endif + return ptr >> chip->dma2_shift; +} + +static snd_pcm_uframes_t snd_es1938_playback2_pointer(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + size_t ptr; + size_t old, new; +#if 1 + /* This stuff is *needed*, don't ask why - AB */ + old = inw(SLDM_REG(chip, DMACOUNT)); + while ((new = inw(SLDM_REG(chip, DMACOUNT))) != old) + old = new; + ptr = chip->dma1_size - 1 - new; +#else + ptr = inl(SLDM_REG(chip, DMAADDR)) - chip->dma1_start; +#endif + return ptr >> chip->dma1_shift; +} + +static snd_pcm_uframes_t snd_es1938_playback_pointer(snd_pcm_substream_t *substream) +{ + switch (substream->number) { + case 0: + return snd_es1938_playback1_pointer(substream); + case 1: + return snd_es1938_playback2_pointer(substream); + } + snd_BUG(); + return -EINVAL; +} + +static int snd_es1938_capture_copy(snd_pcm_substream_t *substream, + int channel, + snd_pcm_uframes_t pos, + void __user *dst, + snd_pcm_uframes_t count) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + es1938_t *chip = snd_pcm_substream_chip(substream); + pos <<= chip->dma1_shift; + count <<= chip->dma1_shift; + snd_assert(pos + count <= chip->dma1_size, return -EINVAL); + if (pos + count < chip->dma1_size) { + if (copy_to_user(dst, runtime->dma_area + pos + 1, count)) + return -EFAULT; + } else { + if (copy_to_user(dst, runtime->dma_area + pos + 1, count - 1)) + return -EFAULT; + if (put_user(runtime->dma_area[0], ((unsigned char __user *)dst) + count - 1)) + return -EFAULT; + } + return 0; +} + +/* + * buffer management + */ +static int snd_es1938_pcm_hw_params(snd_pcm_substream_t *substream, + snd_pcm_hw_params_t * hw_params) + +{ + int err; + + if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) + return err; + return 0; +} + +static int snd_es1938_pcm_hw_free(snd_pcm_substream_t *substream) +{ + return snd_pcm_lib_free_pages(substream); +} + +/* ---------------------------------------------------------------------- + * Audio1 Capture (ADC) + * ----------------------------------------------------------------------*/ +static snd_pcm_hardware_t snd_es1938_capture = +{ + .info = (SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER), + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE, + .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, + .rate_min = 6000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */ + .period_bytes_min = 64, + .period_bytes_max = 0x8000, + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 256, +}; + +/* ----------------------------------------------------------------------- + * Audio2 Playback (DAC) + * -----------------------------------------------------------------------*/ +static snd_pcm_hardware_t snd_es1938_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE, + .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, + .rate_min = 6000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = 0x8000, /* DMA controller screws on higher values */ + .period_bytes_min = 64, + .period_bytes_max = 0x8000, + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 256, +}; + +static int snd_es1938_capture_open(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + + if (chip->playback2_substream) + return -EAGAIN; + chip->capture_substream = substream; + runtime->hw = snd_es1938_capture; + snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &hw_constraints_clocks); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00); + return 0; +} + +static int snd_es1938_playback_open(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + + switch (substream->number) { + case 0: + chip->playback1_substream = substream; + break; + case 1: + if (chip->capture_substream) + return -EAGAIN; + chip->playback2_substream = substream; + break; + default: + snd_BUG(); + return -EINVAL; + } + runtime->hw = snd_es1938_playback; + snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &hw_constraints_clocks); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, 0xff00); + return 0; +} + +static int snd_es1938_capture_close(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + + chip->capture_substream = NULL; + return 0; +} + +static int snd_es1938_playback_close(snd_pcm_substream_t * substream) +{ + es1938_t *chip = snd_pcm_substream_chip(substream); + + switch (substream->number) { + case 0: + chip->playback1_substream = NULL; + break; + case 1: + chip->playback2_substream = NULL; + break; + default: + snd_BUG(); + return -EINVAL; + } + return 0; +} + +static snd_pcm_ops_t snd_es1938_playback_ops = { + .open = snd_es1938_playback_open, + .close = snd_es1938_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_es1938_pcm_hw_params, + .hw_free = snd_es1938_pcm_hw_free, + .prepare = snd_es1938_playback_prepare, + .trigger = snd_es1938_playback_trigger, + .pointer = snd_es1938_playback_pointer, +}; + +static snd_pcm_ops_t snd_es1938_capture_ops = { + .open = snd_es1938_capture_open, + .close = snd_es1938_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_es1938_pcm_hw_params, + .hw_free = snd_es1938_pcm_hw_free, + .prepare = snd_es1938_capture_prepare, + .trigger = snd_es1938_capture_trigger, + .pointer = snd_es1938_capture_pointer, + .copy = snd_es1938_capture_copy, +}; + +static void snd_es1938_free_pcm(snd_pcm_t *pcm) +{ + snd_pcm_lib_preallocate_free_for_all(pcm); +} + +static int __devinit snd_es1938_new_pcm(es1938_t *chip, int device) +{ + snd_pcm_t *pcm; + int err; + + if ((err = snd_pcm_new(chip->card, "es-1938-1946", device, 2, 1, &pcm)) < 0) + return err; + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1938_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1938_capture_ops); + + pcm->private_data = chip; + pcm->private_free = snd_es1938_free_pcm; + pcm->info_flags = 0; + strcpy(pcm->name, "ESS Solo-1"); + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_dma_pci_data(chip->pci), 64*1024, 64*1024); + + chip->pcm = pcm; + return 0; +} + +/* ------------------------------------------------------------------- + * + * *** Mixer part *** + */ + +static int snd_es1938_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + static char *texts[8] = { + "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_es1938_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + es1938_t *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.enumerated.item[0] = snd_es1938_mixer_read(chip, 0x1c) & 0x07; + return 0; +} + +static int snd_es1938_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + es1938_t *chip = snd_kcontrol_chip(kcontrol); + unsigned char val = ucontrol->value.enumerated.item[0]; + + if (val > 7) + return -EINVAL; + return snd_es1938_mixer_bits(chip, 0x1c, 0x07, val) != val; +} + +static int snd_es1938_info_spatializer_enable(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int snd_es1938_get_spatializer_enable(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + es1938_t *chip = snd_kcontrol_chip(kcontrol); + unsigned char val = snd_es1938_mixer_read(chip, 0x50); + ucontrol->value.integer.value[0] = !!(val & 8); + return 0; +} + +static int snd_es1938_put_spatializer_enable(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + es1938_t *chip = snd_kcontrol_chip(kcontrol); + unsigned char oval, nval; + int change; + nval = ucontrol->value.integer.value[0] ? 0x0c : 0x04; + oval = snd_es1938_mixer_read(chip, 0x50) & 0x0c; + change = nval != oval; + if (change) { + snd_es1938_mixer_write(chip, 0x50, nval & ~0x04); + snd_es1938_mixer_write(chip, 0x50, nval); + } + return change; +} + +static int snd_es1938_info_hw_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 63; + return 0; +} + +static int snd_es1938_get_hw_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + es1938_t *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = snd_es1938_mixer_read(chip, 0x61) & 0x3f; + ucontrol->value.integer.value[1] = snd_es1938_mixer_read(chip, 0x63) & 0x3f; + return 0; +} + +static int snd_es1938_info_hw_switch(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int snd_es1938_get_hw_switch(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + es1938_t *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = !(snd_es1938_mixer_read(chip, 0x61) & 0x40); + ucontrol->value.integer.value[1] = !(sn |