diff options
Diffstat (limited to 'sound/pci/es1938.c')
| -rw-r--r-- | sound/pci/es1938.c | 1883 |
1 files changed, 1883 insertions, 0 deletions
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c new file mode 100644 index 000000000..9d248eb2e --- /dev/null +++ b/sound/pci/es1938.c @@ -0,0 +1,1883 @@ +/* + * Driver for ESS Solo-1 (ES1938, ES1946, ES1969) soundcard + * Copyright (c) by Jaromir Koutek <miri@punknet.cz>, + * Jaroslav Kysela <perex@perex.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 <linux/init.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/gameport.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/io.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 <sound/tlv.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 IS_REACHABLE(CONFIG_GAMEPORT) +#define SUPPORT_JOYSTICK 1 +#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 bool 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 + +/* + + */ + +#define SAVED_REG_SIZE 32 /* max. number of registers to save */ + +struct 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; + + struct snd_kcontrol *hw_volume; + struct snd_kcontrol *hw_switch; + struct snd_kcontrol *master_volume; + struct snd_kcontrol *master_switch; + + struct pci_dev *pci; + struct snd_card *card; + struct snd_pcm *pcm; + struct snd_pcm_substream *capture_substream; + struct snd_pcm_substream *playback1_substream; + struct snd_pcm_substream *playback2_substream; + struct snd_rawmidi *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 last_capture_dmaaddr; + unsigned int active; + + spinlock_t reg_lock; + spinlock_t mixer_lock; + struct snd_info_entry *proc_entry; + +#ifdef SUPPORT_JOYSTICK + struct gameport *gameport; +#endif +#ifdef CONFIG_PM_SLEEP + unsigned char saved_regs[SAVED_REG_SIZE]; +#endif +}; + +static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id); + +static const struct pci_device_id snd_es1938_ids[] = { + { PCI_VDEVICE(ESS, 0x1969), 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 + +/* ----------------------------------------------------------------- + * Write to a mixer register + * -----------------------------------------------------------------*/ +static void snd_es1938_mixer_write(struct es1938 *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); + dev_dbg(chip->card->dev, "Mixer reg %02x set to %02x\n", reg, val); +} + +/* ----------------------------------------------------------------- + * Read from a mixer register + * -----------------------------------------------------------------*/ +static int snd_es1938_mixer_read(struct es1938 *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); + dev_dbg(chip->card->dev, "Mixer reg %02x now is %02x\n", reg, data); + return data; +} + +/* ----------------------------------------------------------------- + * Write to some bits of a mixer register (return old value) + * -----------------------------------------------------------------*/ +static int snd_es1938_mixer_bits(struct es1938 *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)); + dev_dbg(chip->card->dev, + "Mixer reg %02x was %02x, set to %02x\n", + reg, old, new); + } + spin_unlock_irqrestore(&chip->mixer_lock, flags); + return oval; +} + +/* ----------------------------------------------------------------- + * Write command to Controller Registers + * -----------------------------------------------------------------*/ +static void snd_es1938_write_cmd(struct es1938 *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; + } + } + dev_err(chip->card->dev, + "snd_es1938_write_cmd timeout (0x02%x/0x02%x)\n", cmd, v); +} + +/* ----------------------------------------------------------------- + * Read the Read Data Buffer + * -----------------------------------------------------------------*/ +static int snd_es1938_get_byte(struct es1938 *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)); + dev_err(chip->card->dev, "get_byte timeout: status 0x02%x\n", v); + return -ENODEV; +} + +/* ----------------------------------------------------------------- + * Write value cmd register + * -----------------------------------------------------------------*/ +static void snd_es1938_write(struct es1938 *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); + dev_dbg(chip->card->dev, "Reg %02x set to %02x\n", reg, val); +} + +/* ----------------------------------------------------------------- + * Read data from cmd register and return it + * -----------------------------------------------------------------*/ +static unsigned char snd_es1938_read(struct es1938 *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); + dev_dbg(chip->card->dev, "Reg %02x now is %02x\n", reg, val); + return val; +} + +/* ----------------------------------------------------------------- + * Write data to cmd register and return old value + * -----------------------------------------------------------------*/ +static int snd_es1938_bits(struct es1938 *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); + dev_dbg(chip->card->dev, "Reg %02x was %02x, set to %02x\n", + reg, old, new); + } + spin_unlock_irqrestore(&chip->reg_lock, flags); + return oval; +} + +/* -------------------------------------------------------------------- + * Reset the chip + * --------------------------------------------------------------------*/ +static void snd_es1938_reset(struct es1938 *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; + } + } + dev_err(chip->card->dev, "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(struct es1938 *chip) +{ + outb(2, SLSB_REG(chip, RESET)); + outb(0, SLSB_REG(chip, RESET)); +} + +static const struct snd_ratnum 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 const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { + .nrats = 2, + .rats = clocks, +}; + + +static void snd_es1938_rate_set(struct es1938 *chip, + struct snd_pcm_substream *substream, + int mode) +{ + unsigned int bits, div0; + struct snd_pcm_runtime *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(struct es1938 *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(struct es1938 *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(struct es1938 *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)); + chip->last_capture_dmaaddr = chip->dma1_start; + 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(struct snd_pcm_substream *substream, + int cmd) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + int val; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + val = 0x0f; + chip->active |= ADC1; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + 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(struct snd_pcm_substream *substream, + int cmd) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + /* 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: + case SNDRV_PCM_TRIGGER_SUSPEND: + 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(struct snd_pcm_substream *substream, + int cmd) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + int val; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + val = 5; + chip->active |= DAC1; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + 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(struct snd_pcm_substream *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(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) +{ + switch (substream->number) { + case 0: + return snd_es1938_playback1_prepare(substream); + case 1: + return snd_es1938_playback2_prepare(substream); + } + snd_BUG(); + return -EINVAL; +} + +/* during the incrementing of dma counters the DMA register reads sometimes + returns garbage. To ensure a valid hw pointer, the following checks which + should be very unlikely to fail are used: + - is the current DMA address in the valid DMA range ? + - is the sum of DMA address and DMA counter pointing to the last DMA byte ? + One can argue this could differ by one byte depending on which register is + updated first, so the implementation below allows for that. +*/ +static snd_pcm_uframes_t snd_es1938_capture_pointer(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + size_t ptr; +#if 0 + size_t old, new; + /* 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 + size_t count; + unsigned int diff; + + ptr = inl(SLDM_REG(chip, DMAADDR)); + count = inw(SLDM_REG(chip, DMACOUNT)); + diff = chip->dma1_start + chip->dma1_size - ptr - count; + + if (diff > 3 || ptr < chip->dma1_start + || ptr >= chip->dma1_start+chip->dma1_size) + ptr = chip->last_capture_dmaaddr; /* bad, use last saved */ + else + chip->last_capture_dmaaddr = ptr; /* good, remember it */ + + ptr -= chip->dma1_start; +#endif + return ptr >> chip->dma1_shift; +} + +static snd_pcm_uframes_t snd_es1938_playback1_pointer(struct snd_pcm_substream *substream) +{ + struct es1938 *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(struct snd_pcm_substream *substream) +{ + struct es1938 *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(struct snd_pcm_substream *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(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct es1938 *chip = snd_pcm_substream_chip(substream); + + if (snd_BUG_ON(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; +} + +static int snd_es1938_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct es1938 *chip = snd_pcm_substream_chip(substream); + + if (snd_BUG_ON(pos + count > chip->dma1_size)) + return -EINVAL; + if (pos + count < chip->dma1_size) { + memcpy(dst, runtime->dma_area + pos + 1, count); + } else { + memcpy(dst, runtime->dma_area + pos + 1, count - 1); + runtime->dma_area[0] = *((unsigned char *)dst + count - 1); + } + return 0; +} + +/* + * buffer management + */ +static int snd_es1938_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *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(struct snd_pcm_substream *substream) +{ + return snd_pcm_lib_free_pages(substream); +} + +/* ---------------------------------------------------------------------- + * Audio1 Capture (ADC) + * ----------------------------------------------------------------------*/ +static const struct snd_pcm_hardware 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 const struct snd_pcm_hardware 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(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) +{ + struct es1938 *chip = snd_pcm_substream_chip(substream); + + chip->capture_substream = NULL; + return 0; +} + +static int snd_es1938_playback_close(struct snd_pcm_substream *substream) +{ + struct es1938 *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 const struct snd_pcm_ops 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 const struct snd_pcm_ops 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_user = snd_es1938_capture_copy, + .copy_kernel = snd_es1938_capture_copy_kernel, +}; + +static int snd_es1938_new_pcm(struct es1938 *chip, int device) +{ + struct snd_pcm *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->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(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_es1938_get_mux(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *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(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *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; +} + +#define snd_es1938_info_spatializer_enable snd_ctl_boolean_mono_info + +static int snd_es1938_get_spatializer_enable(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *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(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *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(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *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; +} + +#define snd_es1938_info_hw_switch snd_ctl_boolean_stereo_info + +static int snd_es1938_get_hw_switch(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = !(snd_es1938_mixer_read(chip, 0x61) & 0x40); + ucontrol->value.integer.value[1] = !(snd_es1938_mixer_read(chip, 0x63) & 0x40); + return 0; +} + +static void snd_es1938_hwv_free(struct snd_kcontrol *kcontrol) +{ + struct es1938 *chip = snd_kcontrol_chip(kcontrol); + chip->master_volume = NULL; + chip->master_switch = NULL; + chip->hw_volume = NULL; + chip->hw_switch = NULL; +} + +static int snd_es1938_reg_bits(struct es1938 *chip, unsigned char reg, + unsigned char mask, unsigned char val) +{ + if (reg < 0xa0) + return snd_es1938_mixer_bits(chip, reg, mask, val); + else + return snd_es1938_bits(chip, reg, mask, val); +} + +static int snd_es1938_reg_read(struct es1938 *chip, unsigned char reg) +{ + if (reg < 0xa0) + return snd_es1938_mixer_read(chip, reg); + else + return snd_es1938_read(chip, reg); +} + +#define ES1938_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\ + .name = xname, .index = xindex, \ + .info = snd_es1938_info_single, \ + .get = snd_es1938_get_single, .put = snd_es1938_put_single, \ + .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ + .tlv = { .p = xtlv } } +#define ES1938_SINGLE(xname, xindex, reg, shift, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ + .info = snd_es1938_info_single, \ + .get = snd_es1938_get_single, .put = snd_es1938_put_single, \ + .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } + +static int snd_es1938_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_es1938_get_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *chip = snd_kcontrol_chip(kcontrol); + 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 val; + + val = snd_es1938_reg_read(chip, reg); + ucontrol->value.integer.value[0] = (val >> shift) & mask; + if (invert) + ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; + return 0; +} + +static int snd_es1938_put_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *chip = snd_kcontrol_chip(kcontrol); + 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; + unsigned char val; + + val = (ucontrol->value.integer.value[0] & mask); + if (invert) + val = mask - val; + mask <<= shift; + val <<= shift; + return snd_es1938_reg_bits(chip, reg, mask, val) != val; +} + +#define ES1938_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,\ + .name = xname, .index = xindex, \ + .info = snd_es1938_info_double, \ + .get = snd_es1938_get_double, .put = snd_es1938_put_double, \ + .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22), \ + .tlv = { .p = xtlv } } +#define ES1938_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_es1938_info_double, \ + .get = snd_es1938_get_double, .put = snd_es1938_put_double, \ + .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } + +static int snd_es1938_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_es1938_get_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *chip = snd_kcontrol_chip(kcontrol); + 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; + + left = snd_es1938_reg_read(chip, left_reg); + if (left_reg != right_reg) + right = snd_es1938_reg_read(chip, right_reg); + else + right = left; + 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_es1938_put_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct es1938 *chip = snd_kcontrol_chip(kcontrol); + 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, mask1, mask2; + + 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; + mask1 = mask << shift_left; + mask2 = mask << shift_right; + if (left_reg != right_reg) { + change = 0; + if (snd_es1938_reg_bits(chip, left_reg, mask1, val1) != val1) + change = 1; + if (snd_es1938_reg_bits(chip, right_reg, mask2, val2) != val2) + change = 1; + } else { + change = (snd_es1938_reg_bits(chip, left_reg, mask1 | mask2, + val1 | val2) != (val1 | val2)); + } + return change; +} + +static const DECLARE_TLV_DB_RANGE(db_scale_master, + 0, 54, TLV_DB_SCALE_ITEM(-3600, 50, 1), + 54, 63, TLV_DB_SCALE_ITEM(-900, 100, 0), +); + +static const DECLARE_TLV_DB_RANGE(db_scale_audio1, + 0, 8, TLV_DB_SCALE_ITEM(-3300, 300, 1), + 8, 15, TLV_DB_SCALE_ITEM(-900, 150, 0), +); + +static const DECLARE_TLV_DB_RANGE(db_scale_audio2, + 0, 8, TLV_DB_SCALE_ITEM(-3450, 300, 1), + 8, 15, TLV_DB_SCALE_ITEM(-1050, 150, 0), +); + +static const DECLARE_TLV_DB_RANGE(db_scale_mic, + 0, 8, TLV_DB_SCALE_ITEM(-2400, 300, 1), + 8, 15, TLV_DB_SCALE_ITEM(0, 150, 0), +); + +static const DECLARE_TLV_DB_RANGE(db_scale_line, + 0, 8, TLV_DB_SCALE_ITEM(-3150, 300, 1), + 8, 15, TLV_DB_SCALE_ITEM(-750, 150, 0), +); + +static const DECLARE_TLV_DB_SCALE(db_scale_capture, 0, 150, 0); + +static struct snd_kcontrol_new snd_es1938_controls[] = { +ES1938_DOUBLE_TLV("Master Playback Volume", 0, 0x60, 0x62, 0, 0, 63, 0, + db_scale_master), +ES1938_DOUBLE("Master Playback Switch", 0, 0x60, 0x62, 6, 6, 1, 1), +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Hardware Master Playback Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = snd_es1938_info_hw_volume, + .get = snd_es1938_get_hw_volume, +}, +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READ | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), + .name = "Hardware Master Playback Switch", + .info = snd_es1938_info_hw_switch, + .get = snd_es1938_get_hw_switch, + .tlv = { .p = db_scale_master }, +}, +ES1938_SINGLE("Hardware Volume Split", 0, 0x64, 7, 1, 0), +ES1938_DOUBLE_TLV("Line Playback Volume", 0, 0x3e, 0x3e, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE("CD Playback Volume", 0, 0x38, 0x38, 4, 0, 15, 0), +ES1938_DOUBLE_TLV("FM Playback Volume", 0, 0x36, 0x36, 4, 0, 15, 0, + db_scale_mic), +ES1938_DOUBLE_TLV("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("Mic Playback Volume", 0, 0x1a, 0x1a, 4, 0, 15, 0, + db_scale_mic), +ES1938_DOUBLE_TLV("Aux Playback Volume", 0, 0x3a, 0x3a, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("Capture Volume", 0, 0xb4, 0xb4, 4, 0, 15, 0, + db_scale_capture), +ES1938_SINGLE("Beep Volume", 0, 0x3c, 0, 7, 0), +ES1938_SINGLE("Record Monitor", 0, 0xa8, 3, 1, 0), +ES1938_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1), +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Capture Source", + .info = snd_es1938_info_mux, + .get = snd_es1938_get_mux, + .put = snd_es1938_put_mux, +}, +ES1938_DOUBLE_TLV("Mono Input Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("PCM Capture Volume", 0, 0x69, 0x69, 4, 0, 15, 0, + db_scale_audio2), +ES1938_DOUBLE_TLV("Mic Capture Volume", 0, 0x68, 0x68, 4, 0, 15, 0, + db_scale_mic), +ES1938_DOUBLE_TLV("Line Capture Volume", 0, 0x6e, 0x6e, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("FM Capture Volume", 0, 0x6b, 0x6b, 4, 0, 15, 0, + db_scale_mic), +ES1938_DOUBLE_TLV("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("CD Capture Volume", 0, 0x6a, 0x6a, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("Aux Capture Volume", 0, 0x6c, 0x6c, 4, 0, 15, 0, + db_scale_line), +ES1938_DOUBLE_TLV("PCM Playback Volume", 0, 0x7c, 0x7c, 4, 0, 15, 0, + db_scale_audio2), +ES1938_DOUBLE_TLV("PCM Playback Volume", 1, 0x14, 0x14, 4, 0, 15, 0, + db_scale_audio1), +ES1938_SINGLE("3D Control - Level", 0, 0x52, 0, 63, 0), +{ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "3D Control - Switch", + .info = snd_es1938_info_spatializer_enable, + .get = snd_es1938_get_spatializer_enable, + .put = snd_es1938_put_spatializer_enable, +}, +ES1938_SINGLE("Mic Boost (+26dB)", 0, 0x7d, 3, 1, 0) +}; + + +/* ---------------------------------------------------------------------------- */ +/* ---------------------------------------------------------------------------- */ + +/* + * initialize the chip - used by resume callback, too + */ +static void snd_es1938_chip_init(struct es1938 *chip) +{ + /* reset chip */ + snd_es1938_reset(chip); + + /* configure native mode */ + + /* enable bus master */ + pci_set_master(chip->pci); + + /* disable legacy audio */ + pci_write_config_word(chip->pci, SL_PCI_LEGACYCONTROL, 0x805f); + + /* set DDMA base */ + pci_write_config_word(chip->pci, SL_PCI_DDMACONTROL, chip->ddma_port | 1); + + /* set DMA/IRQ policy */ + pci_write_config_dword(chip->pci, SL_PCI_CONFIG, 0); + + /* enable Audio 1, Audio 2, MPU401 IRQ and HW volume IRQ*/ + outb(0xf0, SLIO_REG(chip, IRQCONTROL)); + + /* reset DMA */ + outb(0, SLDM_REG(chip, DMACLEAR)); +} + +#ifdef CONFIG_PM_SLEEP +/* + * PM support + */ + +static unsigned char saved_regs[SAVED_REG_SIZE+1] = { + 0x14, 0x1a, 0x1c, 0x3a, 0x3c, 0x3e, 0x36, 0x38, + 0x50, 0x52, 0x60, 0x61, 0x62, 0x63, 0x64, 0x68, + 0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x7c, 0x7d, + 0xa8, 0xb4, +}; + + +static int es1938_suspend(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct es1938 *chip = card->private_data; + unsigned char *s, *d; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_pcm_suspend_all(chip->pcm); + + /* save mixer-related registers */ + for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) + *d = snd_es1938_reg_read(chip, *s); + + outb(0x00, SLIO_REG(chip, IRQCONTROL)); /* disable irqs */ + if (chip->irq >= 0) { + free_irq(chip->irq, chip); + chip->irq = -1; + } + return 0; +} + +static int es1938_resume(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); + struct es1938 *chip = card->private_data; + unsigned char *s, *d; + + if (request_irq(pci->irq, snd_es1938_interrupt, + IRQF_SHARED, KBUILD_MODNAME, chip)) { + dev_err(dev, "unable to grab IRQ %d, disabling device\n", + pci->irq); + snd_card_disconnect(card); + return -EIO; + } + chip->irq = pci->irq; + snd_es1938_chip_init(chip); + + /* restore mixer-related registers */ + for (s = saved_regs, d = chip->saved_regs; *s; s++, d++) { + if (*s < 0xa0) + snd_es1938_mixer_write(chip, *s, *d); + else + snd_es1938_write(chip, *s, *d); + } + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} + +static SIMPLE_DEV_PM_OPS(es1938_pm, es1938_suspend, es1938_resume); +#define ES1938_PM_OPS &es1938_pm +#else +#define ES1938_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ + +#ifdef SUPPORT_JOYSTICK +static int snd_es1938_create_gameport(struct es1938 *chip) +{ + struct gameport *gp; + + chip->gameport = gp = gameport_allocate_port(); + if (!gp) { + dev_err(chip->card->dev, + "cannot allocate memory for gameport\n"); + return -ENOMEM; + } + + gameport_set_name(gp, "ES1938"); + gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); + gameport_set_dev_parent(gp, &chip->pci->dev); + gp->io = chip->game_port; + + gameport_register_port(gp); + + return 0; +} + +static void snd_es1938_free_gameport(struct es1938 *chip) +{ + if (chip->gameport) { + gameport_unregister_port(chip->gameport); + chip->gameport = NULL; + } +} +#else +static inline int snd_es1938_create_gameport(struct es1938 *chip) { return -ENOSYS; } +static inline void snd_es1938_free_gameport(struct es1938 *chip) { } +#endif /* SUPPORT_JOYSTICK */ + +static int snd_es1938_free(struct es1938 *chip) +{ + /* disable irqs */ + outb(0x00, SLIO_REG(chip, IRQCONTROL)); + if (chip->rmidi) + snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); + + snd_es1938_free_gameport(chip); + + if (chip->irq >= 0) + free_irq(chip->irq, chip); + pci_release_regions(chip->pci); + pci_disable_device(chip->pci); + kfree(chip); + return 0; +} + +static int snd_es1938_dev_free(struct snd_device *device) +{ + struct es1938 *chip = device->device_data; + return snd_es1938_free(chip); +} + +static int snd_es1938_create(struct snd_card *card, + struct pci_dev *pci, + struct es1938 **rchip) +{ + struct es1938 *chip; + int err; + static struct snd_device_ops ops = { + .dev_free = snd_es1938_dev_free, + }; + + *rchip = NULL; + + /* enable PCI device */ + if ((err = pci_enable_device(pci)) < 0) + return err; + /* check, if we can restrict PCI DMA transfers to 24 bits */ + if (dma_set_mask(&pci->dev, DMA_BIT_MASK(24)) < 0 || + dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(24)) < 0) { + dev_err(card->dev, + "architecture does not support 24bit PCI busmaster DMA\n"); + pci_disable_device(pci); + return -ENXIO; + } + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (chip == NULL) { + pci_disable_device(pci); + return -ENOMEM; + } + spin_lock_init(&chip->reg_lock); + spin_lock_init(&chip->mixer_lock); + chip->card = card; + chip->pci = pci; + chip->irq = -1; + if ((err = pci_request_regions(pci, "ESS Solo-1")) < 0) { + kfree(chip); + pci_disable_device(pci); + return err; + } + chip->io_port = pci_resource_start(pci, 0); + chip->sb_port = pci_resource_start(pci, 1); + chip->vc_port = pci_resource_start(pci, 2); + chip->mpu_port = pci_resource_start(pci, 3); + chip->game_port = pci_resource_start(pci, 4); + if (request_irq(pci->irq, snd_es1938_interrupt, IRQF_SHARED, + KBUILD_MODNAME, chip)) { + dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); + snd_es1938_free(chip); + return -EBUSY; + } + chip->irq = pci->irq; + dev_dbg(card->dev, + "create: io: 0x%lx, sb: 0x%lx, vc: 0x%lx, mpu: 0x%lx, game: 0x%lx\n", + chip->io_port, chip->sb_port, chip->vc_port, chip->mpu_port, chip->game_port); + + chip->ddma_port = chip->vc_port + 0x00; /* fix from Thomas Sailer */ + + snd_es1938_chip_init(chip); + + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + snd_es1938_free(chip); + return err; + } + + *rchip = chip; + return 0; +} + +/* -------------------------------------------------------------------- + * Interrupt handler + * -------------------------------------------------------------------- */ +static irqreturn_t snd_es1938_interrupt(int irq, void *dev_id) +{ + struct es1938 *chip = dev_id; + unsigned char status, audiostatus; + int handled = 0; + + status = inb(SLIO_REG(chip, IRQCONTROL)); +#if 0 + dev_dbg(chip->card->dev, + "Es1938debug - interrupt status: =0x%x\n", status); +#endif + + /* AUDIO 1 */ + if (status & 0x10) { +#if 0 + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 1 interrupt\n"); + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 1 DMAC DMA count: %u\n", + inw(SLDM_REG(chip, DMACOUNT))); + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 1 DMAC DMA base: %u\n", + inl(SLDM_REG(chip, DMAADDR))); + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 1 DMAC DMA status: 0x%x\n", + inl(SLDM_REG(chip, DMASTATUS))); +#endif + /* clear irq */ + handled = 1; + audiostatus = inb(SLSB_REG(chip, STATUS)); + if (chip->active & ADC1) + snd_pcm_period_elapsed(chip->capture_substream); + else if (chip->active & DAC1) + snd_pcm_period_elapsed(chip->playback2_substream); + } + + /* AUDIO 2 */ + if (status & 0x20) { +#if 0 + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 2 interrupt\n"); + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 2 DMAC DMA count: %u\n", + inw(SLIO_REG(chip, AUDIO2DMACOUNT))); + dev_dbg(chip->card->dev, + "Es1938debug - AUDIO channel 2 DMAC DMA base: %u\n", + inl(SLIO_REG(chip, AUDIO2DMAADDR))); + +#endif + /* clear irq */ + handled = 1; + snd_es1938_mixer_bits(chip, ESSSB_IREG_AUDIO2CONTROL2, 0x80, 0); + if (chip->active & DAC2) + snd_pcm_period_elapsed(chip->playback1_substream); + } + + /* Hardware volume */ + if (status & 0x40) { + int split = snd_es1938_mixer_read(chip, 0x64) & 0x80; + handled = 1; + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_switch->id); + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_volume->id); + if (!split) { + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->master_switch->id); + snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, + &chip->master_volume->id); + } + /* ack interrupt */ + snd_es1938_mixer_write(chip, 0x66, 0x00); + } + + /* MPU401 */ + if (status & 0x80) { + // the following line is evil! It switches off MIDI interrupt handling after the first interrupt received. + // replacing the last 0 by 0x40 works for ESS-Solo1, but just doing nothing works as well! + // andreas@flying-snail.de + // snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0); /* ack? */ + if (chip->rmidi) { + handled = 1; + snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); + } + } + return IRQ_RETVAL(handled); +} + +#define ES1938_DMA_SIZE 64 + +static int snd_es1938_mixer(struct es1938 *chip) +{ + struct snd_card *card; + unsigned int idx; + int err; + + card = chip->card; + + strcpy(card->mixername, "ESS Solo-1"); + + for (idx = 0; idx < ARRAY_SIZE(snd_es1938_controls); idx++) { + struct snd_kcontrol *kctl; + kctl = snd_ctl_new1(&snd_es1938_controls[idx], chip); + switch (idx) { + case 0: + chip->master_volume = kctl; + kctl->private_free = snd_es1938_hwv_free; + break; + case 1: + chip->master_switch = kctl; + kctl->private_free = snd_es1938_hwv_free; + break; + case 2: + chip->hw_volume = kctl; + kctl->private_free = snd_es1938_hwv_free; + break; + case 3: + chip->hw_switch = kctl; + kctl->private_free = snd_es1938_hwv_free; + break; + } + if ((err = snd_ctl_add(card, kctl)) < 0) + return err; + } + return 0; +} + + +static int snd_es1938_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + struct snd_card *card; + struct es1938 *chip; + struct snd_opl3 *opl3; + int idx, err; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + 0, &card); + if (err < 0) + return err; + for (idx = 0; idx < 5; idx++) { + if (pci_resource_start(pci, idx) == 0 || + !(pci_resource_flags(pci, idx) & IORESOURCE_IO)) { + snd_card_free(card); + return -ENODEV; + } + } + if ((err = snd_es1938_create(card, pci, &chip)) < 0) { + snd_card_free(card); + return err; + } + card->private_data = chip; + + strcpy(card->driver, "ES1938"); + strcpy(card->shortname, "ESS ES1938 (Solo-1)"); + sprintf(card->longname, "%s rev %i, irq %i", + card->shortname, + chip->revision, + chip->irq); + + if ((err = snd_es1938_new_pcm(chip, 0)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_es1938_mixer(chip)) < 0) { + snd_card_free(card); + return err; + } + if (snd_opl3_create(card, + SLSB_REG(chip, FMLOWADDR), + SLSB_REG(chip, FMHIGHADDR), + OPL3_HW_OPL3, 1, &opl3) < 0) { + dev_err(card->dev, "OPL3 not detected at 0x%lx\n", + SLSB_REG(chip, FMLOWADDR)); + } else { + if ((err = snd_opl3_timer_new(opl3, 0, 1)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { + snd_card_free(card); + return err; + } + } + if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, + chip->mpu_port, + MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK, + -1, &chip->rmidi) < 0) { + dev_err(card->dev, "unable to initialize MPU-401\n"); + } else { + // this line is vital for MIDI interrupt handling on ess-solo1 + // andreas@flying-snail.de + snd_es1938_mixer_bits(chip, ESSSB_IREG_MPU401CONTROL, 0x40, 0x40); + } + + snd_es1938_create_gameport(chip); + + if ((err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + + pci_set_drvdata(pci, card); + dev++; + return 0; +} + +static void snd_es1938_remove(struct pci_dev *pci) +{ + snd_card_free(pci_get_drvdata(pci)); +} + +static struct pci_driver es1938_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_es1938_ids, + .probe = snd_es1938_probe, + .remove = snd_es1938_remove, + .driver = { + .pm = ES1938_PM_OPS, + }, +}; + +module_pci_driver(es1938_driver); |