diff options
Diffstat (limited to 'sound/pci/azt3328.c')
| -rw-r--r-- | sound/pci/azt3328.c | 1536 |
1 files changed, 1536 insertions, 0 deletions
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c new file mode 100644 index 000000000000..b8ae534125c1 --- /dev/null +++ b/sound/pci/azt3328.c @@ -0,0 +1,1536 @@ +/* + * azt3328.c - driver for Aztech AZF3328 based soundcards (e.g. PCI168). + * Copyright (C) 2002 by Andreas Mohr <hw7oshyuv3001@sneakemail.com> + * + * Framework borrowed from Bart Hartgers's als4000.c. + * Driver developed on PCI168 AP(W) version (PCI rev. 10, subsystem ID 1801), + * found in a Fujitsu-Siemens PC ("Cordant", aluminum case). + * Other versions are: + * PCI168 A(W), sub ID 1800 + * PCI168 A/AP, sub ID 8000 + * Please give me feedback in case you try my driver with one of these!! + * + * GPL LICENSE + * 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 + * Since Aztech does not provide any chipset documentation, + * even on repeated request to various addresses, + * and the answer that was finally given was negative + * (and I was stupid enough to manage to get hold of a PCI168 soundcard + * in the first place >:-P}), + * I was forced to base this driver on reverse engineering + * (3 weeks' worth of evenings filled with driver work). + * (and no, I did NOT go the easy way: to pick up a PCI128 for 9 Euros) + * + * The AZF3328 chip (note: AZF3328, *not* AZT3328, that's just the driver name + * for compatibility reasons) has the following features: + * + * - builtin AC97 conformant codec (SNR over 80dB) + * (really AC97 compliant?? I really doubt it when looking + * at the mixer register layout) + * - builtin genuine OPL3 + * - full duplex 16bit playback/record at independent sampling rate + * - MPU401 (+ legacy address support) FIXME: how to enable legacy addr?? + * - game port (legacy address support) + * - built-in General DirectX timer having a 20 bits counter + * with 1us resolution (FIXME: where is it?) + * - I2S serial port for external DAC + * - supports 33MHz PCI spec 2.1, PCI power management 1.0, compliant with ACPI + * - supports hardware volume control + * - single chip low cost solution (128 pin QFP) + * - supports programmable Sub-vendor and Sub-system ID + * required for Microsoft's logo compliance (FIXME: where?) + * - PCI168 AP(W) card: power amplifier with 4 Watts/channel at 4 Ohms + * + * Certain PCI versions of this card are susceptible to DMA traffic underruns + * in some systems (resulting in sound crackling/clicking/popping), + * probably because they don't have a DMA FIFO buffer or so. + * Overview (PCI ID/PCI subID/PCI rev.): + * - no DMA crackling on SiS735: 0x50DC/0x1801/16 + * - unknown performance: 0x50DC/0x1801/10 + * + * Crackling happens with VIA chipsets or, in my case, an SiS735, which is + * supposed to be very fast and supposed to get rid of crackling much + * better than a VIA, yet ironically I still get crackling, like many other + * people with the same chipset. + * Possible remedies: + * - plug card into a different PCI slot, preferrably one that isn't shared + * too much (this helps a lot, but not completely!) + * - get rid of PCI VGA card, use AGP instead + * - upgrade or downgrade BIOS + * - fiddle with PCI latency settings (setpci -v -s BUSID latency_timer=XX) + * Not too helpful. + * - Disable ACPI/power management/"Auto Detect RAM/PCI Clk" in BIOS + * + * BUGS + * - when Ctrl-C'ing mpg321, the playback loops a bit + * (premature DMA playback reset?) + * - full-duplex sometimes breaks (IRQ management issues?). + * Once even a spontaneous REBOOT happened!!! + * + * TODO + * - test MPU401 MIDI playback etc. + * - power management (CONFIG_PM). See e.g. intel8x0 or cs4281. + * This would be nice since the chip runs a bit hot, and it's *required* + * anyway for proper ACPI power management. In other words: rest + * assured that I *will* implement this very soon; as soon as Linux 2.5.x + * has power management that's bugfree enough to work properly on my desktop. + * - figure out what all unknown port bits are responsible for + */ + +#include <sound/driver.h> +#include <asm/io.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/gameport.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/pcm.h> +#include <sound/rawmidi.h> +#include <sound/mpu401.h> +#include <sound/opl3.h> +#include <sound/initval.h> +#include "azt3328.h" + +MODULE_AUTHOR("Andreas Mohr <hw7oshyuv3001@sneakemail.com>"); +MODULE_DESCRIPTION("Aztech AZF3328 (PCI168)"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Aztech,AZF3328}}"); + +#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) +#define SUPPORT_JOYSTICK 1 +#endif + +#define DEBUG_MISC 0 +#define DEBUG_CALLS 0 +#define DEBUG_MIXER 0 +#define DEBUG_PLAY_REC 0 +#define DEBUG_IO 0 +#define MIXER_TESTING 0 + +#if DEBUG_MISC +#define snd_azf3328_dbgmisc(format, args...) printk(KERN_ERR format, ##args) +#else +#define snd_azf3328_dbgmisc(format, args...) +#endif + +#if DEBUG_CALLS +#define snd_azf3328_dbgcalls(format, args...) printk(format, ##args) +#define snd_azf3328_dbgcallenter() printk(KERN_ERR "entering %s\n", __FUNCTION__) +#define snd_azf3328_dbgcallleave() printk(KERN_ERR "leaving %s\n", __FUNCTION__) +#else +#define snd_azf3328_dbgcalls(format, args...) +#define snd_azf3328_dbgcallenter() +#define snd_azf3328_dbgcallleave() +#endif + +#if DEBUG_MIXER +#define snd_azf3328_dbgmixer(format, args...) printk(format, ##args) +#else +#define snd_azf3328_dbgmixer(format, args...) +#endif + +#if DEBUG_PLAY_REC +#define snd_azf3328_dbgplay(format, args...) printk(KERN_ERR format, ##args) +#else +#define snd_azf3328_dbgplay(format, args...) +#endif + +#if DEBUG_IO +#define snd_azf3328_dbgio(chip, where) \ + printk(KERN_ERR "%s: IDX_IO_PLAY_FLAGS %04x, IDX_IO_PLAY_IRQMASK %04x, IDX_IO_IRQSTATUS %04x\n", where, inw(chip->codec_port+IDX_IO_PLAY_FLAGS), inw(chip->codec_port+IDX_IO_PLAY_IRQMASK), inw(chip->codec_port+IDX_IO_IRQSTATUS)) +#else +#define snd_azf3328_dbgio(chip, where) +#endif + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for AZF3328 soundcard."); + +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for AZF3328 soundcard."); + +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable AZF3328 soundcard."); + +#ifdef SUPPORT_JOYSTICK +static int joystick[SNDRV_CARDS]; +module_param_array(joystick, bool, NULL, 0444); +MODULE_PARM_DESC(joystick, "Enable joystick for AZF3328 soundcard."); +#endif + +typedef struct _snd_azf3328 azf3328_t; + +struct _snd_azf3328 { + int irq; + + unsigned long codec_port; + unsigned long io2_port; + unsigned long mpu_port; + unsigned long synth_port; + unsigned long mixer_port; + +#ifdef SUPPORT_JOYSTICK + struct gameport *gameport; +#endif + + struct pci_dev *pci; + snd_card_t *card; + + snd_pcm_t *pcm; + snd_rawmidi_t *rmidi; + snd_pcm_substream_t *playback_substream; + snd_pcm_substream_t *capture_substream; + unsigned int is_playing; + unsigned int is_recording; + + spinlock_t reg_lock; +}; + +static struct pci_device_id snd_azf3328_ids[] = { + { 0x122D, 0x50DC, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* PCI168/3328 */ + { 0x122D, 0x80DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 3328 */ + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, snd_azf3328_ids); + +static inline void snd_azf3328_io2_write(azf3328_t *chip, int reg, unsigned char value) +{ + outb(value, chip->io2_port + reg); +} + +static inline unsigned char snd_azf3328_io2_read(azf3328_t *chip, int reg) +{ + return inb(chip->io2_port + reg); +} + +static void snd_azf3328_mixer_write(azf3328_t *chip, int reg, unsigned long value, int type) +{ + switch(type) { + case WORD_VALUE: + outw(value, chip->mixer_port + reg); + break; + case DWORD_VALUE: + outl(value, chip->mixer_port + reg); + break; + case BYTE_VALUE: + outb(value, chip->mixer_port + reg); + break; + } +} + +static void snd_azf3328_mixer_set_mute(azf3328_t *chip, int reg, int do_mute) +{ + unsigned char oldval; + + /* the mute bit is on the *second* (i.e. right) register of a + * left/right channel setting */ + oldval = inb(chip->mixer_port + reg + 1); + if (do_mute) + oldval |= 0x80; + else + oldval &= ~0x80; + outb(oldval, chip->mixer_port + reg + 1); +} + +static void snd_azf3328_mixer_write_volume_gradually(azf3328_t *chip, int reg, unsigned char dst_vol_left, unsigned char dst_vol_right, int chan_sel, int delay) +{ + unsigned char curr_vol_left = 0, curr_vol_right = 0; + int left_done = 0, right_done = 0; + + snd_azf3328_dbgcallenter(); + if (chan_sel & SET_CHAN_LEFT) + curr_vol_left = inb(chip->mixer_port + reg + 1); + else + left_done = 1; + if (chan_sel & SET_CHAN_RIGHT) + curr_vol_right = inb(chip->mixer_port + reg + 0); + else + right_done = 1; + + /* take care of muting flag (0x80) contained in left channel */ + if (curr_vol_left & 0x80) + dst_vol_left |= 0x80; + else + dst_vol_left &= ~0x80; + + do + { + if (!left_done) + { + if (curr_vol_left > dst_vol_left) + curr_vol_left--; + else + if (curr_vol_left < dst_vol_left) + curr_vol_left++; + else + left_done = 1; + outb(curr_vol_left, chip->mixer_port + reg + 1); + } + if (!right_done) + { + if (curr_vol_right > dst_vol_right) + curr_vol_right--; + else + if (curr_vol_right < dst_vol_right) + curr_vol_right++; + else + right_done = 1; + /* during volume change, the right channel is crackling + * somewhat more than the left channel, unfortunately. + * This seems to be a hardware issue. */ + outb(curr_vol_right, chip->mixer_port + reg + 0); + } + if (delay) + mdelay(delay); + } + while ((!left_done) || (!right_done)); + snd_azf3328_dbgcallleave(); +} + +/* + * general mixer element + */ +typedef struct azf3328_mixer_reg { + unsigned int reg; + unsigned int lchan_shift, rchan_shift; + unsigned int mask; + unsigned int invert: 1; + unsigned int stereo: 1; + unsigned int enum_c: 4; +} azf3328_mixer_reg_t; + +#define COMPOSE_MIXER_REG(reg,lchan_shift,rchan_shift,mask,invert,stereo,enum_c) \ + ((reg) | (lchan_shift << 8) | (rchan_shift << 12) | (mask << 16) | (invert << 24) | (stereo << 25) | (enum_c << 26)) + +static void snd_azf3328_mixer_reg_decode(azf3328_mixer_reg_t *r, unsigned long val) +{ + r->reg = val & 0xff; + r->lchan_shift = (val >> 8) & 0x0f; + r->rchan_shift = (val >> 12) & 0x0f; + r->mask = (val >> 16) & 0xff; + r->invert = (val >> 24) & 1; + r->stereo = (val >> 25) & 1; + r->enum_c = (val >> 26) & 0x0f; +} + +/* + * mixer switches/volumes + */ + +#define AZF3328_MIXER_SWITCH(xname, reg, shift, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_azf3328_info_mixer, \ + .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ + .private_value = COMPOSE_MIXER_REG(reg, shift, 0, 0x1, invert, 0, 0), \ +} + +#define AZF3328_MIXER_VOL_STEREO(xname, reg, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_azf3328_info_mixer, \ + .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ + .private_value = COMPOSE_MIXER_REG(reg, 8, 0, mask, invert, 1, 0), \ +} + +#define AZF3328_MIXER_VOL_MONO(xname, reg, mask, is_right_chan) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_azf3328_info_mixer, \ + .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ + .private_value = COMPOSE_MIXER_REG(reg, is_right_chan ? 0 : 8, 0, mask, 1, 0, 0), \ +} + +#define AZF3328_MIXER_VOL_SPECIAL(xname, reg, mask, shift, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_azf3328_info_mixer, \ + .get = snd_azf3328_get_mixer, .put = snd_azf3328_put_mixer, \ + .private_value = COMPOSE_MIXER_REG(reg, shift, 0, mask, invert, 0, 0), \ +} + +#define AZF3328_MIXER_ENUM(xname, reg, enum_c, shift) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_azf3328_info_mixer_enum, \ + .get = snd_azf3328_get_mixer_enum, .put = snd_azf3328_put_mixer_enum, \ + .private_value = COMPOSE_MIXER_REG(reg, shift, 0, 0, 0, 0, enum_c), \ +} + +static int snd_azf3328_info_mixer(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + azf3328_mixer_reg_t reg; + + snd_azf3328_dbgcallenter(); + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); + uinfo->type = reg.mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = reg.stereo + 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = reg.mask; + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_get_mixer(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + azf3328_t *chip = snd_kcontrol_chip(kcontrol); + azf3328_mixer_reg_t reg; + unsigned int oreg, val; + + snd_azf3328_dbgcallenter(); + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); + + oreg = inw(chip->mixer_port + reg.reg); + val = (oreg >> reg.lchan_shift) & reg.mask; + if (reg.invert) + val = reg.mask - val; + ucontrol->value.integer.value[0] = val; + if (reg.stereo) { + val = (oreg >> reg.rchan_shift) & reg.mask; + if (reg.invert) + val = reg.mask - val; + ucontrol->value.integer.value[1] = val; + } + snd_azf3328_dbgmixer("get: %02x is %04x -> vol %02lx|%02lx (shift %02d|%02d, mask %02x, inv. %d, stereo %d)\n", reg.reg, oreg, ucontrol->value.integer.value[0], ucontrol->value.integer.value[1], reg.lchan_shift, reg.rchan_shift, reg.mask, reg.invert, reg.stereo); + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_put_mixer(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + azf3328_t *chip = snd_kcontrol_chip(kcontrol); + azf3328_mixer_reg_t reg; + unsigned int oreg, nreg, val; + + snd_azf3328_dbgcallenter(); + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); + oreg = inw(chip->mixer_port + reg.reg); + val = ucontrol->value.integer.value[0] & reg.mask; + if (reg.invert) + val = reg.mask - val; + nreg = oreg & ~(reg.mask << reg.lchan_shift); + nreg |= (val << reg.lchan_shift); + if (reg.stereo) { + val = ucontrol->value.integer.value[1] & reg.mask; + if (reg.invert) + val = reg.mask - val; + nreg &= ~(reg.mask << reg.rchan_shift); + nreg |= (val << reg.rchan_shift); + } + if (reg.mask >= 0x07) /* it's a volume control, so better take care */ + snd_azf3328_mixer_write_volume_gradually(chip, reg.reg, nreg >> 8, nreg & 0xff, SET_CHAN_LEFT|SET_CHAN_RIGHT, 0); /* just set both channels, doesn't matter */ + else + outw(nreg, chip->mixer_port + reg.reg); + + snd_azf3328_dbgmixer("put: %02x to %02lx|%02lx, oreg %04x; shift %02d|%02d -> nreg %04x; after: %04x\n", reg.reg, ucontrol->value.integer.value[0], ucontrol->value.integer.value[1], oreg, reg.lchan_shift, reg.rchan_shift, nreg, inw(chip->mixer_port + reg.reg)); + snd_azf3328_dbgcallleave(); + return (nreg != oreg); +} + +static int snd_azf3328_info_mixer_enum(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) +{ + azf3328_mixer_reg_t reg; + static char *texts1[2] = { "ModemOut1", "ModemOut2" }; + static char *texts2[2] = { "MonoSelectSource1", "MonoSelectSource2" }; + static char *texts3[8] = { + "Mic", "CD", "Video", "Aux", "Line", + "Mix", "Mix Mono", "Phone" + }; + + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = (reg.reg == IDX_MIXER_REC_SELECT) ? 2 : 1; + uinfo->value.enumerated.items = reg.enum_c; + if (uinfo->value.enumerated.item > reg.enum_c - 1U) + uinfo->value.enumerated.item = reg.enum_c - 1U; + if (reg.reg == IDX_MIXER_ADVCTL2) + { + if (reg.lchan_shift == 8) /* modem out sel */ + strcpy(uinfo->value.enumerated.name, texts1[uinfo->value.enumerated.item]); + else /* mono sel source */ + strcpy(uinfo->value.enumerated.name, texts2[uinfo->value.enumerated.item]); + } + else + strcpy(uinfo->value.enumerated.name, texts3[uinfo->value.enumerated.item] +); + return 0; +} + +static int snd_azf3328_get_mixer_enum(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + azf3328_mixer_reg_t reg; + azf3328_t *chip = snd_kcontrol_chip(kcontrol); + unsigned short val; + + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); + val = inw(chip->mixer_port + reg.reg); + if (reg.reg == IDX_MIXER_REC_SELECT) + { + ucontrol->value.enumerated.item[0] = (val >> 8) & (reg.enum_c - 1); + ucontrol->value.enumerated.item[1] = (val >> 0) & (reg.enum_c - 1); + } + else + ucontrol->value.enumerated.item[0] = (val >> reg.lchan_shift) & (reg.enum_c - 1); + snd_azf3328_dbgmixer("get_enum: %02x is %04x -> %d|%d (shift %02d, enum_c %d)\n", reg.reg, val, ucontrol->value.enumerated.item[0], ucontrol->value.enumerated.item[1], reg.lchan_shift, reg.enum_c); + return 0; +} + +static int snd_azf3328_put_mixer_enum(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + azf3328_mixer_reg_t reg; + azf3328_t *chip = snd_kcontrol_chip(kcontrol); + unsigned int oreg, nreg, val; + + snd_azf3328_mixer_reg_decode(®, kcontrol->private_value); + oreg = inw(chip->mixer_port + reg.reg); + val = oreg; + if (reg.reg == IDX_MIXER_REC_SELECT) + { + if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U || + ucontrol->value.enumerated.item[1] > reg.enum_c - 1U) + return -EINVAL; + val = (ucontrol->value.enumerated.item[0] << 8) | + (ucontrol->value.enumerated.item[1] << 0); + } + else + { + if (ucontrol->value.enumerated.item[0] > reg.enum_c - 1U) + return -EINVAL; + val &= ~((reg.enum_c - 1) << reg.lchan_shift); + val |= (ucontrol->value.enumerated.item[0] << reg.lchan_shift); + } + outw(val, chip->mixer_port + reg.reg); + nreg = val; + + snd_azf3328_dbgmixer("put_enum: %02x to %04x, oreg %04x\n", reg.reg, val, oreg); + return (nreg != oreg); +} + +static snd_kcontrol_new_t snd_azf3328_mixer_controls[] __devinitdata = { + AZF3328_MIXER_SWITCH("Master Playback Switch", IDX_MIXER_PLAY_MASTER, 15, 1), + AZF3328_MIXER_VOL_STEREO("Master Playback Volume", IDX_MIXER_PLAY_MASTER, 0x1f, 1), + AZF3328_MIXER_SWITCH("Wave Playback Switch", IDX_MIXER_WAVEOUT, 15, 1), + AZF3328_MIXER_VOL_STEREO("Wave Playback Volume", IDX_MIXER_WAVEOUT, 0x1f, 1), + AZF3328_MIXER_SWITCH("Wave Playback 3D Bypass", IDX_MIXER_ADVCTL2, 7, 1), + AZF3328_MIXER_SWITCH("FM Playback Switch", IDX_MIXER_FMSYNTH, 15, 1), + AZF3328_MIXER_VOL_STEREO("FM Playback Volume", IDX_MIXER_FMSYNTH, 0x1f, 1), + AZF3328_MIXER_SWITCH("CD Playback Switch", IDX_MIXER_CDAUDIO, 15, 1), + AZF3328_MIXER_VOL_STEREO("CD Playback Volume", IDX_MIXER_CDAUDIO, 0x1f, 1), + AZF3328_MIXER_SWITCH("Capture Switch", IDX_MIXER_REC_VOLUME, 15, 1), + AZF3328_MIXER_VOL_STEREO("Capture Volume", IDX_MIXER_REC_VOLUME, 0x0f, 0), + AZF3328_MIXER_ENUM("Capture Source", IDX_MIXER_REC_SELECT, 8, 0), + AZF3328_MIXER_SWITCH("Mic Playback Switch", IDX_MIXER_MIC, 15, 1), + AZF3328_MIXER_VOL_MONO("Mic Playback Volume", IDX_MIXER_MIC, 0x1f, 1), + AZF3328_MIXER_SWITCH("Mic Boost (+20dB)", IDX_MIXER_MIC, 6, 0), + AZF3328_MIXER_SWITCH("Line Playback Switch", IDX_MIXER_LINEIN, 15, 1), + AZF3328_MIXER_VOL_STEREO("Line Playback Volume", IDX_MIXER_LINEIN, 0x1f, 1), + AZF3328_MIXER_SWITCH("PCBeep Playback Switch", IDX_MIXER_PCBEEP, 15, 1), + AZF3328_MIXER_VOL_SPECIAL("PCBeep Playback Volume", IDX_MIXER_PCBEEP, 0x0f, 1, 1), + AZF3328_MIXER_SWITCH("Video Playback Switch", IDX_MIXER_VIDEO, 15, 1), + AZF3328_MIXER_VOL_STEREO("Video Playback Volume", IDX_MIXER_VIDEO, 0x1f, 1), + AZF3328_MIXER_SWITCH("Aux Playback Switch", IDX_MIXER_AUX, 15, 1), + AZF3328_MIXER_VOL_STEREO("Aux Playback Volume", IDX_MIXER_AUX, 0x1f, 1), + AZF3328_MIXER_SWITCH("Modem Playback Switch", IDX_MIXER_MODEMOUT, 15, 1), + AZF3328_MIXER_VOL_MONO("Modem Playback Volume", IDX_MIXER_MODEMOUT, 0x1f, 1), + AZF3328_MIXER_SWITCH("Modem Capture Switch", IDX_MIXER_MODEMIN, 15, 1), + AZF3328_MIXER_VOL_MONO("Modem Capture Volume", IDX_MIXER_MODEMIN, 0x1f, 1), + AZF3328_MIXER_ENUM("Modem Out Select", IDX_MIXER_ADVCTL2, 2, 8), + AZF3328_MIXER_ENUM("Mono Select Source", IDX_MIXER_ADVCTL2, 2, 9), + AZF3328_MIXER_VOL_SPECIAL("Tone Control - Treble", IDX_MIXER_BASSTREBLE, 0x07, 1, 0), + AZF3328_MIXER_VOL_SPECIAL("Tone Control - Bass", IDX_MIXER_BASSTREBLE, 0x07, 9, 0), + AZF3328_MIXER_SWITCH("3D Control - Toggle", IDX_MIXER_ADVCTL2, 13, 0), + AZF3328_MIXER_VOL_SPECIAL("3D Control - Volume", IDX_MIXER_ADVCTL1, 0x07, 1, 0), /* "3D Width" */ + AZF3328_MIXER_VOL_SPECIAL("3D Control - Space", IDX_MIXER_ADVCTL1, 0x03, 8, 0), /* "Hifi 3D" */ +#if MIXER_TESTING + AZF3328_MIXER_SWITCH("0", IDX_MIXER_ADVCTL2, 0, 0), + AZF3328_MIXER_SWITCH("1", IDX_MIXER_ADVCTL2, 1, 0), + AZF3328_MIXER_SWITCH("2", IDX_MIXER_ADVCTL2, 2, 0), + AZF3328_MIXER_SWITCH("3", IDX_MIXER_ADVCTL2, 3, 0), + AZF3328_MIXER_SWITCH("4", IDX_MIXER_ADVCTL2, 4, 0), + AZF3328_MIXER_SWITCH("5", IDX_MIXER_ADVCTL2, 5, 0), + AZF3328_MIXER_SWITCH("6", IDX_MIXER_ADVCTL2, 6, 0), + AZF3328_MIXER_SWITCH("7", IDX_MIXER_ADVCTL2, 7, 0), + AZF3328_MIXER_SWITCH("8", IDX_MIXER_ADVCTL2, 8, 0), + AZF3328_MIXER_SWITCH("9", IDX_MIXER_ADVCTL2, 9, 0), + AZF3328_MIXER_SWITCH("10", IDX_MIXER_ADVCTL2, 10, 0), + AZF3328_MIXER_SWITCH("11", IDX_MIXER_ADVCTL2, 11, 0), + AZF3328_MIXER_SWITCH("12", IDX_MIXER_ADVCTL2, 12, 0), + AZF3328_MIXER_SWITCH("13", IDX_MIXER_ADVCTL2, 13, 0), + AZF3328_MIXER_SWITCH("14", IDX_MIXER_ADVCTL2, 14, 0), + AZF3328_MIXER_SWITCH("15", IDX_MIXER_ADVCTL2, 15, 0), +#endif +}; + +#define AZF3328_INIT_VALUES (sizeof(snd_azf3328_init_values)/sizeof(unsigned int)/2) + +static unsigned int snd_azf3328_init_values[][2] = { + { IDX_MIXER_PLAY_MASTER, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_MODEMOUT, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_BASSTREBLE, 0x0000 }, + { IDX_MIXER_PCBEEP, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_MODEMIN, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_MIC, MIXER_MUTE_MASK|0x001f }, + { IDX_MIXER_LINEIN, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_CDAUDIO, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_VIDEO, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_AUX, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_WAVEOUT, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_FMSYNTH, MIXER_MUTE_MASK|0x1f1f }, + { IDX_MIXER_REC_VOLUME, MIXER_MUTE_MASK|0x0707 }, +}; + +static int __devinit snd_azf3328_mixer_new(azf3328_t *chip) +{ + snd_card_t *card; + snd_kcontrol_new_t *sw; + unsigned int idx; + int err; + + snd_azf3328_dbgcallenter(); + snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + + card = chip->card; + + /* mixer reset */ + snd_azf3328_mixer_write(chip, IDX_MIXER_RESET, 0x0, WORD_VALUE); + + /* mute and zero volume channels */ + for (idx = 0; idx < AZF3328_INIT_VALUES; idx++) { + snd_azf3328_mixer_write(chip, snd_azf3328_init_values[idx][0], snd_azf3328_init_values[idx][1], WORD_VALUE); + } + + /* add mixer controls */ + sw = snd_azf3328_mixer_controls; + for (idx = 0; idx < ARRAY_SIZE(snd_azf3328_mixer_controls); idx++, sw++) { + if ((err = snd_ctl_add(chip->card, snd_ctl_new1(sw, chip))) < 0) + return err; + } + snd_component_add(card, "AZF3328 mixer"); + strcpy(card->mixername, "AZF3328 mixer"); + + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_hw_params(snd_pcm_substream_t * substream, + snd_pcm_hw_params_t * hw_params) +{ + int res; + snd_azf3328_dbgcallenter(); + res = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + snd_azf3328_dbgcallleave(); + return res; +} + +static int snd_azf3328_hw_free(snd_pcm_substream_t * substream) +{ + snd_azf3328_dbgcallenter(); + snd_pcm_lib_free_pages(substream); + snd_azf3328_dbgcallleave(); + return 0; +} + +static void snd_azf3328_setfmt(azf3328_t *chip, + unsigned int reg, + unsigned int bitrate, + unsigned int format_width, + unsigned int channels +) +{ + unsigned int val = 0xff00; + unsigned long flags; + + snd_azf3328_dbgcallenter(); + switch (bitrate) { + case 5512: val |= 0x0d; break; /* the AZF3328 names it "5510" for some strange reason */ + case 6620: val |= 0x0b; break; + case 8000: val |= 0x00; break; + case 9600: val |= 0x08; break; + case 11025: val |= 0x01; break; + case 16000: val |= 0x02; break; + case 22050: val |= 0x03; break; + case 32000: val |= 0x04; break; + case 44100: val |= 0x05; break; + case 48000: val |= 0x06; break; + case 64000: val |= 0x07; break; + default: + snd_printk("unknown bitrate %d, assuming 44.1kHz!\n", bitrate); + val |= 0x05; /* 44100 */ + break; + } + /* val = 0xff07; 3m27.993s (65301Hz; -> 64000Hz???) */ + /* val = 0xff09; 17m15.098s (13123,478Hz; -> 12000Hz???) */ + /* val = 0xff0a; 47m30.599s (4764,891Hz; -> 4800Hz???) */ + /* val = 0xff0c; 57m0.510s (4010,263Hz; -> 4000Hz???) */ + /* val = 0xff05; 5m11.556s (... -> 44100Hz) */ + /* val = 0xff03; 10m21.529s (21872,463Hz; -> 22050Hz???) */ + /* val = 0xff0f; 20m41.883s (10937,993Hz; -> 11025Hz???) */ + /* val = 0xff0d; 41m23.135s (5523,600Hz; -> 5512Hz???) */ + /* val = 0xff0e; 28m30.777s (8017Hz; -> 8000Hz???) */ + if (channels == 2) + val |= SOUNDFORMAT_FLAG_2CHANNELS; + + if (format_width == 16) + val |= SOUNDFORMAT_FLAG_16BIT; + + spin_lock_irqsave(&chip->reg_lock, flags); + + /* set bitrate/format */ + outw(val, chip->codec_port+reg); + + /* changing the bitrate/format settings switches off the + * audio output with an annoying click in case of 8/16bit format change + * (maybe shutting down DAC/ADC?), thus immediately + * do some tweaking to reenable it and get rid of the clicking + * (FIXME: yes, it works, but what exactly am I doing here?? :) + * FIXME: does this have some side effects for full-duplex + * or other dramatic side effects? */ + if (reg == IDX_IO_PLAY_SOUNDFORMAT) /* only do it for playback */ + outw(inw(chip->codec_port + IDX_IO_PLAY_FLAGS)|DMA_PLAY_SOMETHING1|DMA_PLAY_SOMETHING2|SOMETHING_ALMOST_ALWAYS_SET|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_PLAY_FLAGS); + + spin_unlock_irqrestore(&chip->reg_lock, flags); + snd_azf3328_dbgcallleave(); +} + +static void snd_azf3328_setdmaa(azf3328_t *chip, + long unsigned int addr, + unsigned int count, + unsigned int size, + int do_recording) +{ + long unsigned int addr1; + long unsigned int addr2; + unsigned int count1; + unsigned int count2; + unsigned long flags; + int reg_offs = do_recording ? 0x20 : 0x00; + + snd_azf3328_dbgcallenter(); + /* AZF3328 uses a two buffer pointer DMA playback approach */ + if (!chip->is_playing) + { + addr1 = addr; + addr2 = addr+(size/2); + count1 = (size/2)-1; + count2 = (size/2)-1; +#if DEBUG_PLAY_REC + snd_azf3328_dbgplay("setting dma: buf1 %08lx[%d], buf2 %08lx[%d]\n", addr1, count1, addr2, count2); +#endif + spin_lock_irqsave(&chip->reg_lock, flags); + outl(addr1, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_START_1); + outl(addr2, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_START_2); + outw(count1, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_LEN_1); + outw(count2, chip->codec_port+reg_offs+IDX_IO_PLAY_DMA_LEN_2); + spin_unlock_irqrestore(&chip->reg_lock, flags); + } + snd_azf3328_dbgcallleave(); +} + +static int snd_azf3328_playback_prepare(snd_pcm_substream_t *substream) +{ +#if 0 + azf3328_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + unsigned int size = snd_pcm_lib_buffer_bytes(substream); + unsigned int count = snd_pcm_lib_period_bytes(substream); +#endif + + snd_azf3328_dbgcallenter(); +#if 0 + snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels); + snd_azf3328_setdmaa(chip, runtime->dma_addr, count, size, 0); +#endif + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_capture_prepare(snd_pcm_substream_t * substream) +{ +#if 0 + azf3328_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + unsigned int size = snd_pcm_lib_buffer_bytes(substream); + unsigned int count = snd_pcm_lib_period_bytes(substream); +#endif + + snd_azf3328_dbgcallenter(); +#if 0 + snd_azf3328_setfmt(chip, IDX_IO_REC_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels); + snd_azf3328_setdmaa(chip, runtime->dma_addr, count, size, 1); +#endif + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_playback_trigger(snd_pcm_substream_t * substream, int cmd) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int result = 0; + unsigned int status1; + + snd_azf3328_dbgcalls("snd_azf3328_playback_trigger cmd %d\n", cmd); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + + snd_azf3328_dbgio(chip, "trigger1"); + + /* mute WaveOut */ + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1); + + snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels); + + spin_lock(&chip->reg_lock); + /* stop playback */ + status1 = inw(chip->codec_port+IDX_IO_PLAY_FLAGS); + status1 &= ~DMA_RESUME; + outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS); + + /* FIXME: clear interrupts or what??? */ + outw(0xffff, chip->codec_port+IDX_IO_PLAY_IRQMASK); + spin_unlock(&chip->reg_lock); + + snd_azf3328_setdmaa(chip, runtime->dma_addr, snd_pcm_lib_period_bytes(substream), snd_pcm_lib_buffer_bytes(substream), 0); + + spin_lock(&chip->reg_lock); +#ifdef WIN9X + /* FIXME: enable playback/recording??? */ + status1 |= DMA_PLAY_SOMETHING1 | DMA_PLAY_SOMETHING2; + outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS); + + /* start playback again */ + /* FIXME: what is this value (0x0010)??? */ + status1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING; + outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS); +#else /* NT4 */ + outw(0x00, chip->codec_port+IDX_IO_PLAY_FLAGS); + outw(DMA_PLAY_SOMETHING1, chip->codec_port+IDX_IO_PLAY_FLAGS); + outw(DMA_PLAY_SOMETHING1|DMA_PLAY_SOMETHING2, chip->codec_port+IDX_IO_PLAY_FLAGS); + outw(DMA_RESUME|SOMETHING_ALMOST_ALWAYS_SET|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port+IDX_IO_PLAY_FLAGS); +#endif + spin_unlock(&chip->reg_lock); + + /* now unmute WaveOut */ + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 0); + + snd_azf3328_dbgio(chip, "trigger2"); + chip->is_playing = 1; + break; + case SNDRV_PCM_TRIGGER_STOP: + /* mute WaveOut */ + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 1); + + spin_lock(&chip->reg_lock); + /* stop playback */ + status1 = inw(chip->codec_port+IDX_IO_PLAY_FLAGS); + + status1 &= ~DMA_RESUME; + outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS); + + status1 |= DMA_PLAY_SOMETHING1; + outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS); + + status1 &= ~DMA_PLAY_SOMETHING1; + outw(status1, chip->codec_port+IDX_IO_PLAY_FLAGS); + spin_unlock(&chip->reg_lock); + + /* now unmute WaveOut */ + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_WAVEOUT, 0); + chip->is_playing = 0; + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n"); + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n"); + break; + default: + return -EINVAL; + } + + snd_azf3328_dbgcallleave(); + return result; +} + +/* this is just analogous to playback; I'm not quite sure whether recording + * should actually be triggered like that */ +static int snd_azf3328_capture_trigger(snd_pcm_substream_t * substream, int cmd) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int result = 0; + unsigned int status1; + + snd_azf3328_dbgcalls("snd_azf3328_capture_trigger cmd %d\n", cmd); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + + snd_azf3328_dbgio(chip, "trigger1"); + + snd_azf3328_setfmt(chip, IDX_IO_REC_SOUNDFORMAT, runtime->rate, snd_pcm_format_width(runtime->format), runtime->channels); + + spin_lock(&chip->reg_lock); + /* stop recording */ + status1 = inw(chip->codec_port+IDX_IO_REC_FLAGS); + status1 &= ~DMA_RESUME; + outw(status1, chip->codec_port+IDX_IO_REC_FLAGS); + + /* FIXME: clear interrupts or what??? */ + outw(0xffff, chip->codec_port+IDX_IO_REC_IRQMASK); + spin_unlock(&chip->reg_lock); + + snd_azf3328_setdmaa(chip, runtime->dma_addr, snd_pcm_lib_period_bytes(substream), snd_pcm_lib_buffer_bytes(substream), 1); + + spin_lock(&chip->reg_lock); +#ifdef WIN9X + /* FIXME: enable playback/recording??? */ + status1 |= DMA_PLAY_SOMETHING1 | DMA_PLAY_SOMETHING2; + outw(status1, chip->codec_port+IDX_IO_REC_FLAGS); + + /* start playback again */ + /* FIXME: what is this value (0x0010)??? */ + status1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING; + outw(status1, chip->codec_port+IDX_IO_REC_FLAGS); +#else + outw(0x00, chip->codec_port+IDX_IO_REC_FLAGS); + outw(DMA_PLAY_SOMETHING1, chip->codec_port+IDX_IO_REC_FLAGS); + outw(DMA_PLAY_SOMETHING1|DMA_PLAY_SOMETHING2, chip->codec_port+IDX_IO_REC_FLAGS); + outw(DMA_RESUME|SOMETHING_ALMOST_ALWAYS_SET|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port+IDX_IO_REC_FLAGS); +#endif + spin_unlock(&chip->reg_lock); + + snd_azf3328_dbgio(chip, "trigger2"); + chip->is_playing = 1; + break; + case SNDRV_PCM_TRIGGER_STOP: + spin_lock(&chip->reg_lock); + /* stop recording */ + status1 = inw(chip->codec_port+IDX_IO_REC_FLAGS); + + status1 &= ~DMA_RESUME; + outw(status1, chip->codec_port+IDX_IO_REC_FLAGS); + + status1 |= DMA_PLAY_SOMETHING1; + outw(status1, chip->codec_port+IDX_IO_REC_FLAGS); + + status1 &= ~DMA_PLAY_SOMETHING1; + outw(status1, chip->codec_port+IDX_IO_REC_FLAGS); + spin_unlock(&chip->reg_lock); + + chip->is_playing = 0; + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_PUSH NIY!\n"); + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + snd_printk("FIXME: SNDRV_PCM_TRIGGER_PAUSE_RELEASE NIY!\n"); + break; + default: + return -EINVAL; + } + + snd_azf3328_dbgcallleave(); + return result; +} + +static snd_pcm_uframes_t snd_azf3328_playback_pointer(snd_pcm_substream_t * substream) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + unsigned long bufptr, playptr; + unsigned long result; + snd_pcm_uframes_t frmres; + +#ifdef QUERY_HARDWARE + bufptr = inl(chip->codec_port+IDX_IO_PLAY_DMA_START_1); +#else + bufptr = substream->runtime->dma_addr; +#endif + playptr = inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS); + + result = playptr - bufptr; + frmres = bytes_to_frames( substream->runtime, result ); + snd_azf3328_dbgplay("result %lx, playptr %lx (base %x), frames %ld\n", result, playptr, substream->runtime->dma_addr, frmres); + return frmres; +} + +static snd_pcm_uframes_t snd_azf3328_capture_pointer(snd_pcm_substream_t * substream) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + unsigned long bufptr, recptr; + unsigned long result; + snd_pcm_uframes_t frmres; + +#ifdef QUERY_HARDWARE + bufptr = inl(chip->codec_port+IDX_IO_REC_DMA_START_1); +#else + bufptr = substream->runtime->dma_addr; +#endif + recptr = inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS); + + result = recptr - bufptr; + frmres = bytes_to_frames( substream->runtime, result ); + snd_azf3328_dbgplay("result %lx, rec ptr %lx (base %x), frames %ld\n", result, recptr, substream->runtime->dma_addr, frmres); + return frmres; +} + +static irqreturn_t snd_azf3328_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + azf3328_t *chip = dev_id; + unsigned int status, which; + static unsigned long count; + + status = inw(chip->codec_port+IDX_IO_IRQSTATUS); + + /* fast path out, to ease interrupt sharing */ + if (!(status & (IRQ_PLAYBACK|IRQ_RECORDING|IRQ_MPU401|IRQ_SOMEIRQ))) + return IRQ_NONE; /* must be interrupt for another device */ + + snd_azf3328_dbgplay("Interrupt %ld!\nIDX_IO_PLAY_FLAGS %04x, IDX_IO_PLAY_IRQMASK %04x, IDX_IO_IRQSTATUS %04x\n", count, inw(chip->codec_port+IDX_IO_PLAY_FLAGS), inw(chip->codec_port+IDX_IO_PLAY_IRQMASK), inw(chip->codec_port+IDX_IO_IRQSTATUS)); + + if (status & IRQ_PLAYBACK) + { + spin_lock(&chip->reg_lock); + which = inw(chip->codec_port+IDX_IO_PLAY_IRQMASK); + if (which & IRQ_FINISHED_PLAYBUF_1) + /* ack IRQ */ + outw(which | IRQ_FINISHED_PLAYBUF_1, chip->codec_port+IDX_IO_PLAY_IRQMASK); + if (which & IRQ_FINISHED_PLAYBUF_2) + /* ack IRQ */ + outw(which | IRQ_FINISHED_PLAYBUF_2, chip->codec_port+IDX_IO_PLAY_IRQMASK); + if (which & IRQ_PLAY_SOMETHING) + { + snd_azf3328_dbgplay("azt3328: unknown play IRQ type occurred, please report!\n"); + } + if (chip->pcm && chip->playback_substream) + { + snd_azf3328_dbgplay("which %x, playptr %lx\n", which, inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS)); + snd_pcm_period_elapsed(chip->playback_substream); + snd_azf3328_dbgplay("period done, playptr %lx.\n", inl(chip->codec_port+IDX_IO_PLAY_DMA_CURRPOS)); + } + else + snd_azf3328_dbgplay("azt3328: ouch, irq handler problem!\n"); + spin_unlock(&chip->reg_lock); + } + if (status & IRQ_RECORDING) + { + spin_lock(&chip->reg_lock); + which = inw(chip->codec_port+IDX_IO_REC_IRQMASK); + if (which & IRQ_FINISHED_RECBUF_1) + /* ack interrupt */ + outw(which | IRQ_FINISHED_RECBUF_1, chip->codec_port+IDX_IO_REC_IRQMASK); + if (which & IRQ_FINISHED_RECBUF_2) + /* ack interrupt */ + outw(which | IRQ_FINISHED_RECBUF_2, chip->codec_port+IDX_IO_REC_IRQMASK); + if (which & IRQ_REC_SOMETHING) + { + snd_azf3328_dbgplay("azt3328: unknown rec IRQ type occurred, please report!\n"); + } + if (chip->pcm && chip->capture_substream) + { + snd_azf3328_dbgplay("which %x, recptr %lx\n", which, inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS)); + spin_unlock(&chip->reg_lock); + snd_pcm_period_elapsed(chip->capture_substream); + spin_lock(&chip->reg_lock); + snd_azf3328_dbgplay("period done, recptr %lx.\n", inl(chip->codec_port+IDX_IO_REC_DMA_CURRPOS)); + } + spin_unlock(&chip->reg_lock); + } + if (status & IRQ_MPU401) + snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); + if (status & IRQ_SOMEIRQ) + snd_azf3328_dbgplay("azt3328: unknown IRQ type occurred, please report!\n"); + count++; + return IRQ_HANDLED; +} + +/*****************************************************************/ + +static snd_pcm_hardware_t snd_azf3328_playback = +{ + /* FIXME!! Correct? */ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE, + .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_KNOT, + .rate_min = 5512, + .rate_max = 64000, + .channels_min = 1, + .channels_max = 2, + .buffer_bytes_max = 65536, + .period_bytes_min = 64, + .period_bytes_max = 65536, + .periods_min = 1, + .periods_max = 1024, + /* FIXME: maybe that card actually has a FIFO? + * Hmm, it seems newer revisions do have one, but we still don't know + * its size... */ + .fifo_size = 0, +}; + +static snd_pcm_hardware_t snd_azf3328_capture = +{ + /* FIXME */ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE, + .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_KNOT, + .rate_min = 5512, + .rate_max = 64000, + .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 unsigned int snd_azf3328_fixed_rates[] = { + 5512, 6620, 8000, 9600, 11025, 16000, 22050, 32000, 44100, 48000, 64000 +}; +static snd_pcm_hw_constraint_list_t snd_azf3328_hw_constraints_rates = { + .count = ARRAY_SIZE(snd_azf3328_fixed_rates), + .list = snd_azf3328_fixed_rates, + .mask = 0, +}; + +/*****************************************************************/ + +static int snd_azf3328_playback_open(snd_pcm_substream_t * substream) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + + snd_azf3328_dbgcallenter(); + chip->playback_substream = substream; + runtime->hw = snd_azf3328_playback; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &snd_azf3328_hw_constraints_rates); + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_capture_open(snd_pcm_substream_t * substream) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + + snd_azf3328_dbgcallenter(); + chip->capture_substream = substream; + runtime->hw = snd_azf3328_capture; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &snd_azf3328_hw_constraints_rates); + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_playback_close(snd_pcm_substream_t * substream) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + + snd_azf3328_dbgcallenter(); + + chip->playback_substream = NULL; + snd_azf3328_dbgcallleave(); + return 0; +} + +static int snd_azf3328_capture_close(snd_pcm_substream_t * substream) +{ + azf3328_t *chip = snd_pcm_substream_chip(substream); + + snd_azf3328_dbgcallenter(); + chip->capture_substream = NULL; + snd_azf3328_dbgcallleave(); + return 0; +} + +/******************************************************************/ + +static snd_pcm_ops_t snd_azf3328_playback_ops = { + .open = snd_azf3328_playback_open, + .close = snd_azf3328_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_azf3328_hw_params, + .hw_free = snd_azf3328_hw_free, + .prepare = snd_azf3328_playback_prepare, + .trigger = snd_azf3328_playback_trigger, + .pointer = snd_azf3328_playback_pointer +}; + +static snd_pcm_ops_t snd_azf3328_capture_ops = { + .open = snd_azf3328_capture_open, + .close = snd_azf3328_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_azf3328_hw_params, + .hw_free = snd_azf3328_hw_free, + .prepare = snd_azf3328_capture_prepare, + .trigger = snd_azf3328_capture_trigger, + .pointer = snd_azf3328_capture_pointer +}; + +static void snd_azf3328_pcm_free(snd_pcm_t *pcm) +{ + azf3328_t *chip = pcm->private_data; + chip->pcm = NULL; + snd_pcm_lib_preallocate_free_for_all(pcm); +} + +static int __devinit snd_azf3328_pcm(azf3328_t *chip, int device) +{ + snd_pcm_t *pcm; + int err; + + snd_azf3328_dbgcallenter(); + if ((err = snd_pcm_new(chip->card, "AZF3328 DSP", device, 1, 1, &pcm)) < 0) + return err; + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_azf3328_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_azf3328_capture_ops); + + pcm->private_data = chip; + pcm->private_free = snd_azf3328_pcm_free; + pcm->info_flags = 0; + strcpy(pcm->name, chip->card->shortname); + chip->pcm = pcm; + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_dma_pci_data(chip->pci), 64*1024, 64*1024); + + snd_azf3328_dbgcallleave(); + return 0; +} + +/******************************************************************/ + +#ifdef SUPPORT_JOYSTICK +static int __devinit snd_azf3328_config_joystick(azf3328_t *chip, int dev) +{ + struct gameport *gp; + struct resource *r; + + if (!joystick[dev]) + return -ENODEV; + + if (!(r = request_region(0x200, 8, "AZF3328 gameport"))) { + printk(KERN_WARNING "azt3328: cannot reserve joystick ports\n"); + return -EBUSY; + } + + chip->gameport = gp = gameport_allocate_port(); + if (!gp) { + printk(KERN_ERR "azt3328: cannot allocate memory for gameport\n"); + release_resource(r); + kfree_nocheck(r); + return -ENOMEM; + } + + gameport_set_name(gp, "AZF3328 Gameport"); + gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); + gameport_set_dev_parent(gp, &chip->pci->dev); + gp->io = 0x200; + gameport_set_port_data(gp, r); + + snd_azf3328_io2_write(chip, IDX_IO2_LEGACY_ADDR, + snd_azf3328_io2_read(chip, IDX_IO2_LEGACY_ADDR) | LEGACY_JOY); + + gameport_register_port(chip->gameport); + + return 0; +} + +static void snd_azf3328_free_joystick(azf3328_t *chip) +{ + if (chip->gameport) { + struct resource *r = gameport_get_port_data(chip->gameport); + + gameport_unregister_port(chip->gameport); + chip->gameport = NULL; + /* disable gameport */ + snd_azf3328_io2_write(chip, IDX_IO2_LEGACY_ADDR, + snd_azf3328_io2_read(chip, IDX_IO2_LEGACY_ADDR) & ~LEGACY_JOY); + release_resource(r); + kfree_nocheck(r); + } +} +#else +static inline int snd_azf3328_config_joystick(azf3328_t *chip, int dev) { return -ENOSYS; } +static inline void snd_azf3328_free_joystick(azf3328_t *chip) { } +#endif + +/******************************************************************/ + +static int snd_azf3328_free(azf3328_t *chip) +{ + if (chip->irq < 0) + goto __end_hw; + + /* reset (close) mixer */ + snd_azf3328_mixer_set_mute(chip, IDX_MIXER_PLAY_MASTER, 1); /* first mute master volume */ + snd_azf3328_mixer_write(chip, IDX_MIXER_RESET, 0x0, WORD_VALUE); + + /* interrupt setup - mask everything */ + /* FIXME */ + + synchronize_irq(chip->irq); + __end_hw: + snd_azf3328_free_joystick(chip); + if (chip->irq >= 0) + free_irq(chip->irq, (void *)chip); + pci_release_regions(chip->pci); + pci_disable_device(chip->pci); + + kfree(chip); + return 0; +} + +static int snd_azf3328_dev_free(snd_device_t *device) +{ + azf3328_t *chip = device->device_data; + return snd_azf3328_free(chip); +} + +#if 0 +/* check whether a bit can be modified */ +static void snd_azf3328_test_bit(unsigned int reg, int bit) +{ + unsigned char val, valoff, valon; + + val = inb(reg); + + outb(val & ~(1 << bit), reg); + valoff = inb(reg); + + outb(val|(1 << bit), reg); + valon = inb(reg); + + outb(val, reg); + + printk(KERN_ERR "reg %04x bit %d: %02x %02x %02x\n", reg, bit, val, valoff, valon); +} +#endif + +static int __devinit snd_azf3328_create(snd_card_t * card, + struct pci_dev *pci, + unsigned long device_type, + azf3328_t ** rchip) +{ + azf3328_t *chip; + int err; + static snd_device_ops_t ops = { + .dev_free = snd_azf3328_dev_free, + }; + u16 tmp; + + *rchip = NULL; + + if ((err = pci_enable_device(pci)) < 0) + return err; + + chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); + if (chip == NULL) { + pci_disable_device(pci); + return -ENOMEM; + } + spin_lock_init(&chip->reg_lock); + chip->card = card; + chip->pci = pci; + chip->irq = -1; + + /* check if we can restrict PCI DMA transfers to 24 bits */ + if (pci_set_dma_mask(pci, 0x00ffffff) < 0 || + pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) { + snd_printk("architecture does not support 24bit PCI busmaster DMA\n"); + pci_disable_device(pci); + return -ENXIO; + } + + if ((err = pci_request_regions(pci, "Aztech AZF3328")) < 0) { + kfree(chip); + pci_disable_device(pci); + return err; + } + + chip->codec_port = pci_resource_start(pci, 0); + chip->io2_port = pci_resource_start(pci, 1); + chip->mpu_port = pci_resource_start(pci, 2); + chip->synth_port = pci_resource_start(pci, 3); + chip->mixer_port = pci_resource_start(pci, 4); + + if (request_irq(pci->irq, snd_azf3328_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip)) { + snd_printk("unable to grab IRQ %d\n", pci->irq); + snd_azf3328_free(chip); + return -EBUSY; + } + chip->irq = pci->irq; + pci_set_master(pci); + synchronize_irq(chip->irq); + + snd_azf3328_dbgmisc("codec_port 0x%lx, io2_port 0x%lx, mpu_port 0x%lx, synth_port 0x%lx, mixer_port 0x%lx, irq %d\n", chip->codec_port, chip->io2_port, chip->mpu_port, chip->synth_port, chip->mixer_port, chip->irq); + + snd_azf3328_dbgmisc("io2 %02x %02x %02x %02x %02x %02x\n", snd_azf3328_io2_read(chip, 0), snd_azf3328_io2_read(chip, 1), snd_azf3328_io2_read(chip, 2), snd_azf3328_io2_read(chip, 3), snd_azf3328_io2_read(chip, 4), snd_azf3328_io2_read(chip, 5)); + + for (tmp=0; tmp <= 0x01; tmp += 1) + snd_azf3328_dbgmisc("0x%02x: opl 0x%04x, mpu300 0x%04x, mpu310 0x%04x, mpu320 0x%04x, mpu330 0x%04x\n", tmp, inb(0x388 + tmp), inb(0x300 + tmp), inb(0x310 + tmp), inb(0x320 + tmp), inb(0x330 + tmp)); + + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + snd_azf3328_free(chip); + return err; + } + + /* create mixer interface & switches */ + if ((err = snd_azf3328_mixer_new(chip)) < 0) + return err; + +#if 0 + /* set very low bitrate to reduce noise and power consumption? */ + snd_azf3328_setfmt(chip, IDX_IO_PLAY_SOUNDFORMAT, 5512, 8, 1); +#endif + + /* standard chip init stuff */ + spin_lock_irq(&chip->reg_lock); + outb(DMA_PLAY_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_PLAY_FLAGS); + outb(DMA_PLAY_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_SOMETHING_FLAGS); + outb(DMA_PLAY_SOMETHING2|DMA_EPILOGUE_SOMETHING|DMA_SOMETHING_ELSE, chip->codec_port + IDX_IO_REC_FLAGS); + outb(0x0, chip->codec_port + IDX_IO_IRQ63H); + + spin_unlock_irq(&chip->reg_lock); + + snd_card_set_dev(card, &pci->dev); + + *rchip = chip; + return 0; +} + +static int __devinit snd_azf3328_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + snd_card_t *card; + azf3328_t *chip; + opl3_t *opl3; + int err; + + snd_azf3328_dbgcallenter(); + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0 ); + if (card == NULL) + return -ENOMEM; + + strcpy(card->driver, "AZF3328"); + strcpy(card->shortname, "Aztech AZF3328 (PCI168)"); + + if ((err = snd_azf3328_create(card, pci, pci_id->driver_data, &chip)) < 0) { + snd_card_free(card); + return err; + } + + if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_MPU401, + chip->mpu_port, 1, pci->irq, 0, + &chip->rmidi)) < 0) { + snd_printk("azf3328: no MPU-401 device at 0x%lx?\n", chip->mpu_port); + snd_card_free(card); + return err; + } + + if ((err = snd_azf3328_pcm(chip, 0)) < 0) { + snd_card_free(card); + return err; + } + + if (snd_opl3_create(card, chip->synth_port, chip->synth_port+2, + OPL3_HW_AUTO, 1, &opl3) < 0) { + snd_printk("azf3328: no OPL3 device at 0x%lx-0x%lx?\n", + chip->synth_port, chip->synth_port+2 ); + } else { + if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { + snd_card_free(card); + return err; + } + } + + snd_azf3328_dbgio(chip, "create"); + + sprintf(card->longname, "%s at 0x%lx, irq %i", + card->shortname, chip->codec_port, chip->irq); + + if ((err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + +#ifdef MODULE + printk( +"azt3328: Experimental driver for Aztech AZF3328-based soundcards such as PCI168.\n" +"azt3328: ZERO support from Aztech: you might think hard about future purchase.\n" +"azt3328: Feel free to contact hw7oshyuv3001@sneakemail.com for bug reports etc.!\n"); +#endif + + if (snd_azf3328_config_joystick(chip, dev) < 0) + snd_azf3328_io2_write(chip, IDX_IO2_LEGACY_ADDR, + snd_azf3328_io2_read(chip, IDX_IO2_LEGACY_ADDR) & ~LEGACY_JOY); + + pci_set_drvdata(pci, card); + dev++; + + snd_azf3328_dbgcallleave(); + return 0; +} + +static void __devexit snd_azf3328_remove(struct pci_dev *pci) +{ + snd_azf3328_dbgcallenter(); + snd_card_free(pci_get_drvdata(pci)); + pci_set_drvdata(pci, NULL); + snd_azf3328_dbgcallleave(); +} + +static struct pci_driver driver = { + .name = "AZF3328", + .id_table = snd_azf3328_ids, + .probe = snd_azf3328_probe, + .remove = __devexit_p(snd_azf3328_remove), +}; + +static int __init alsa_card_azf3328_init(void) +{ + int err; + snd_azf3328_dbgcallenter(); + err = pci_module_init(&driver); + snd_azf3328_dbgcallleave(); + return err; +} + +static void __exit alsa_card_azf3328_exit(void) +{ + snd_azf3328_dbgcallenter(); + pci_unregister_driver(&driver); + snd_azf3328_dbgcallleave(); +} + +module_init(alsa_card_azf3328_init) +module_exit(alsa_card_azf3328_exit) |