|  | /* | 
|  | *  Maintained by Jaroslav Kysela <perex@suse.cz> | 
|  | *  Originated by audio@tridentmicro.com | 
|  | *  Fri Feb 19 15:55:28 MST 1999 | 
|  | *  Routines for control of Trident 4DWave (DX and NX) chip | 
|  | * | 
|  | *  BUGS: | 
|  | * | 
|  | *  TODO: | 
|  | *    --- | 
|  | * | 
|  | *   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 | 
|  | * | 
|  | * | 
|  | *  SiS7018 S/PDIF support by Thomas Winischhofer <thomas@winischhofer.net> | 
|  | */ | 
|  |  | 
|  | #include <sound/driver.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/vmalloc.h> | 
|  | #include <linux/gameport.h> | 
|  | #include <linux/dma-mapping.h> | 
|  |  | 
|  | #include <sound/core.h> | 
|  | #include <sound/info.h> | 
|  | #include <sound/control.h> | 
|  | #include <sound/tlv.h> | 
|  | #include <sound/trident.h> | 
|  | #include <sound/asoundef.h> | 
|  |  | 
|  | #include <asm/io.h> | 
|  |  | 
|  | static int snd_trident_pcm_mixer_build(struct snd_trident *trident, | 
|  | struct snd_trident_voice * voice, | 
|  | struct snd_pcm_substream *substream); | 
|  | static int snd_trident_pcm_mixer_free(struct snd_trident *trident, | 
|  | struct snd_trident_voice * voice, | 
|  | struct snd_pcm_substream *substream); | 
|  | static irqreturn_t snd_trident_interrupt(int irq, void *dev_id); | 
|  | static int snd_trident_sis_reset(struct snd_trident *trident); | 
|  |  | 
|  | static void snd_trident_clear_voices(struct snd_trident * trident, | 
|  | unsigned short v_min, unsigned short v_max); | 
|  | static int snd_trident_free(struct snd_trident *trident); | 
|  |  | 
|  | /* | 
|  | *  common I/O routines | 
|  | */ | 
|  |  | 
|  |  | 
|  | #if 0 | 
|  | static void snd_trident_print_voice_regs(struct snd_trident *trident, int voice) | 
|  | { | 
|  | unsigned int val, tmp; | 
|  |  | 
|  | printk("Trident voice %i:\n", voice); | 
|  | outb(voice, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | val = inl(TRID_REG(trident, CH_LBA)); | 
|  | printk("LBA: 0x%x\n", val); | 
|  | val = inl(TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC)); | 
|  | printk("GVSel: %i\n", val >> 31); | 
|  | printk("Pan: 0x%x\n", (val >> 24) & 0x7f); | 
|  | printk("Vol: 0x%x\n", (val >> 16) & 0xff); | 
|  | printk("CTRL: 0x%x\n", (val >> 12) & 0x0f); | 
|  | printk("EC: 0x%x\n", val & 0x0fff); | 
|  | if (trident->device != TRIDENT_DEVICE_ID_NX) { | 
|  | val = inl(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS)); | 
|  | printk("CSO: 0x%x\n", val >> 16); | 
|  | printk("Alpha: 0x%x\n", (val >> 4) & 0x0fff); | 
|  | printk("FMS: 0x%x\n", val & 0x0f); | 
|  | val = inl(TRID_REG(trident, CH_DX_ESO_DELTA)); | 
|  | printk("ESO: 0x%x\n", val >> 16); | 
|  | printk("Delta: 0x%x\n", val & 0xffff); | 
|  | val = inl(TRID_REG(trident, CH_DX_FMC_RVOL_CVOL)); | 
|  | } else {		// TRIDENT_DEVICE_ID_NX | 
|  | val = inl(TRID_REG(trident, CH_NX_DELTA_CSO)); | 
|  | tmp = (val >> 24) & 0xff; | 
|  | printk("CSO: 0x%x\n", val & 0x00ffffff); | 
|  | val = inl(TRID_REG(trident, CH_NX_DELTA_ESO)); | 
|  | tmp |= (val >> 16) & 0xff00; | 
|  | printk("Delta: 0x%x\n", tmp); | 
|  | printk("ESO: 0x%x\n", val & 0x00ffffff); | 
|  | val = inl(TRID_REG(trident, CH_NX_ALPHA_FMS_FMC_RVOL_CVOL)); | 
|  | printk("Alpha: 0x%x\n", val >> 20); | 
|  | printk("FMS: 0x%x\n", (val >> 16) & 0x0f); | 
|  | } | 
|  | printk("FMC: 0x%x\n", (val >> 14) & 3); | 
|  | printk("RVol: 0x%x\n", (val >> 7) & 0x7f); | 
|  | printk("CVol: 0x%x\n", val & 0x7f); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg) | 
|  |  | 
|  | Description: This routine will do all of the reading from the external | 
|  | CODEC (AC97). | 
|  |  | 
|  | Parameters:  ac97 - ac97 codec structure | 
|  | reg - CODEC register index, from AC97 Hal. | 
|  |  | 
|  | returns:     16 bit value read from the AC97. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static unsigned short snd_trident_codec_read(struct snd_ac97 *ac97, unsigned short reg) | 
|  | { | 
|  | unsigned int data = 0, treg; | 
|  | unsigned short count = 0xffff; | 
|  | unsigned long flags; | 
|  | struct snd_trident *trident = ac97->private_data; | 
|  |  | 
|  | spin_lock_irqsave(&trident->reg_lock, flags); | 
|  | if (trident->device == TRIDENT_DEVICE_ID_DX) { | 
|  | data = (DX_AC97_BUSY_READ | (reg & 0x000000ff)); | 
|  | outl(data, TRID_REG(trident, DX_ACR1_AC97_R)); | 
|  | do { | 
|  | data = inl(TRID_REG(trident, DX_ACR1_AC97_R)); | 
|  | if ((data & DX_AC97_BUSY_READ) == 0) | 
|  | break; | 
|  | } while (--count); | 
|  | } else if (trident->device == TRIDENT_DEVICE_ID_NX) { | 
|  | data = (NX_AC97_BUSY_READ | (reg & 0x000000ff)); | 
|  | treg = ac97->num == 0 ? NX_ACR2_AC97_R_PRIMARY : NX_ACR3_AC97_R_SECONDARY; | 
|  | outl(data, TRID_REG(trident, treg)); | 
|  | do { | 
|  | data = inl(TRID_REG(trident, treg)); | 
|  | if ((data & 0x00000C00) == 0) | 
|  | break; | 
|  | } while (--count); | 
|  | } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | data = SI_AC97_BUSY_READ | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff); | 
|  | if (ac97->num == 1) | 
|  | data |= SI_AC97_SECONDARY; | 
|  | outl(data, TRID_REG(trident, SI_AC97_READ)); | 
|  | do { | 
|  | data = inl(TRID_REG(trident, SI_AC97_READ)); | 
|  | if ((data & (SI_AC97_BUSY_READ)) == 0) | 
|  | break; | 
|  | } while (--count); | 
|  | } | 
|  |  | 
|  | if (count == 0 && !trident->ac97_detect) { | 
|  | snd_printk(KERN_ERR "ac97 codec read TIMEOUT [0x%x/0x%x]!!!\n", | 
|  | reg, data); | 
|  | data = 0; | 
|  | } | 
|  |  | 
|  | spin_unlock_irqrestore(&trident->reg_lock, flags); | 
|  | return ((unsigned short) (data >> 16)); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg, | 
|  | unsigned short wdata) | 
|  |  | 
|  | Description: This routine will do all of the writing to the external | 
|  | CODEC (AC97). | 
|  |  | 
|  | Parameters:	ac97 - ac97 codec structure | 
|  | reg - CODEC register index, from AC97 Hal. | 
|  | data  - Lower 16 bits are the data to write to CODEC. | 
|  |  | 
|  | returns:     TRUE if everything went ok, else FALSE. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static void snd_trident_codec_write(struct snd_ac97 *ac97, unsigned short reg, | 
|  | unsigned short wdata) | 
|  | { | 
|  | unsigned int address, data; | 
|  | unsigned short count = 0xffff; | 
|  | unsigned long flags; | 
|  | struct snd_trident *trident = ac97->private_data; | 
|  |  | 
|  | data = ((unsigned long) wdata) << 16; | 
|  |  | 
|  | spin_lock_irqsave(&trident->reg_lock, flags); | 
|  | if (trident->device == TRIDENT_DEVICE_ID_DX) { | 
|  | address = DX_ACR0_AC97_W; | 
|  |  | 
|  | /* read AC-97 write register status */ | 
|  | do { | 
|  | if ((inw(TRID_REG(trident, address)) & DX_AC97_BUSY_WRITE) == 0) | 
|  | break; | 
|  | } while (--count); | 
|  |  | 
|  | data |= (DX_AC97_BUSY_WRITE | (reg & 0x000000ff)); | 
|  | } else if (trident->device == TRIDENT_DEVICE_ID_NX) { | 
|  | address = NX_ACR1_AC97_W; | 
|  |  | 
|  | /* read AC-97 write register status */ | 
|  | do { | 
|  | if ((inw(TRID_REG(trident, address)) & NX_AC97_BUSY_WRITE) == 0) | 
|  | break; | 
|  | } while (--count); | 
|  |  | 
|  | data |= (NX_AC97_BUSY_WRITE | (ac97->num << 8) | (reg & 0x000000ff)); | 
|  | } else if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | address = SI_AC97_WRITE; | 
|  |  | 
|  | /* read AC-97 write register status */ | 
|  | do { | 
|  | if ((inw(TRID_REG(trident, address)) & (SI_AC97_BUSY_WRITE)) == 0) | 
|  | break; | 
|  | } while (--count); | 
|  |  | 
|  | data |= SI_AC97_BUSY_WRITE | SI_AC97_AUDIO_BUSY | (reg & 0x000000ff); | 
|  | if (ac97->num == 1) | 
|  | data |= SI_AC97_SECONDARY; | 
|  | } else { | 
|  | address = 0;	/* keep GCC happy */ | 
|  | count = 0;	/* return */ | 
|  | } | 
|  |  | 
|  | if (count == 0) { | 
|  | spin_unlock_irqrestore(&trident->reg_lock, flags); | 
|  | return; | 
|  | } | 
|  | outl(data, TRID_REG(trident, address)); | 
|  | spin_unlock_irqrestore(&trident->reg_lock, flags); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_enable_eso(struct snd_trident *trident) | 
|  |  | 
|  | Description: This routine will enable end of loop interrupts. | 
|  | End of loop interrupts will occur when a running | 
|  | channel reaches ESO. | 
|  | Also enables middle of loop interrupts. | 
|  |  | 
|  | Parameters:  trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_enable_eso(struct snd_trident * trident) | 
|  | { | 
|  | unsigned int val; | 
|  |  | 
|  | val = inl(TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | val |= ENDLP_IE; | 
|  | val |= MIDLP_IE; | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) | 
|  | val |= BANK_B_EN; | 
|  | outl(val, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_disable_eso(struct snd_trident *trident) | 
|  |  | 
|  | Description: This routine will disable end of loop interrupts. | 
|  | End of loop interrupts will occur when a running | 
|  | channel reaches ESO. | 
|  | Also disables middle of loop interrupts. | 
|  |  | 
|  | Parameters: | 
|  | trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | returns:     TRUE if everything went ok, else FALSE. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_disable_eso(struct snd_trident * trident) | 
|  | { | 
|  | unsigned int tmp; | 
|  |  | 
|  | tmp = inl(TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | tmp &= ~ENDLP_IE; | 
|  | tmp &= ~MIDLP_IE; | 
|  | outl(tmp, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice) | 
|  |  | 
|  | Description: Start a voice, any channel 0 thru 63. | 
|  | This routine automatically handles the fact that there are | 
|  | more than 32 channels available. | 
|  |  | 
|  | Parameters : voice - Voice number 0 thru n. | 
|  | trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Return Value: None. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | void snd_trident_start_voice(struct snd_trident * trident, unsigned int voice) | 
|  | { | 
|  | unsigned int mask = 1 << (voice & 0x1f); | 
|  | unsigned int reg = (voice & 0x20) ? T4D_START_B : T4D_START_A; | 
|  |  | 
|  | outl(mask, TRID_REG(trident, reg)); | 
|  | } | 
|  |  | 
|  | EXPORT_SYMBOL(snd_trident_start_voice); | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice) | 
|  |  | 
|  | Description: Stop a voice, any channel 0 thru 63. | 
|  | This routine automatically handles the fact that there are | 
|  | more than 32 channels available. | 
|  |  | 
|  | Parameters : voice - Voice number 0 thru n. | 
|  | trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Return Value: None. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | void snd_trident_stop_voice(struct snd_trident * trident, unsigned int voice) | 
|  | { | 
|  | unsigned int mask = 1 << (voice & 0x1f); | 
|  | unsigned int reg = (voice & 0x20) ? T4D_STOP_B : T4D_STOP_A; | 
|  |  | 
|  | outl(mask, TRID_REG(trident, reg)); | 
|  | } | 
|  |  | 
|  | EXPORT_SYMBOL(snd_trident_stop_voice); | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | int snd_trident_allocate_pcm_channel(struct snd_trident *trident) | 
|  |  | 
|  | Description: Allocate hardware channel in Bank B (32-63). | 
|  |  | 
|  | Parameters :  trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Return Value: hardware channel - 32-63 or -1 when no channel is available | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_allocate_pcm_channel(struct snd_trident * trident) | 
|  | { | 
|  | int idx; | 
|  |  | 
|  | if (trident->ChanPCMcnt >= trident->ChanPCM) | 
|  | return -1; | 
|  | for (idx = 31; idx >= 0; idx--) { | 
|  | if (!(trident->ChanMap[T4D_BANK_B] & (1 << idx))) { | 
|  | trident->ChanMap[T4D_BANK_B] |= 1 << idx; | 
|  | trident->ChanPCMcnt++; | 
|  | return idx + 32; | 
|  | } | 
|  | } | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_free_pcm_channel(int channel) | 
|  |  | 
|  | Description: Free hardware channel in Bank B (32-63) | 
|  |  | 
|  | Parameters :  trident - pointer to target device class for 4DWave. | 
|  | channel - hardware channel number 0-63 | 
|  |  | 
|  | Return Value: none | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_free_pcm_channel(struct snd_trident *trident, int channel) | 
|  | { | 
|  | if (channel < 32 || channel > 63) | 
|  | return; | 
|  | channel &= 0x1f; | 
|  | if (trident->ChanMap[T4D_BANK_B] & (1 << channel)) { | 
|  | trident->ChanMap[T4D_BANK_B] &= ~(1 << channel); | 
|  | trident->ChanPCMcnt--; | 
|  | } | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | unsigned int snd_trident_allocate_synth_channel(void) | 
|  |  | 
|  | Description: Allocate hardware channel in Bank A (0-31). | 
|  |  | 
|  | Parameters :  trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Return Value: hardware channel - 0-31 or -1 when no channel is available | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_allocate_synth_channel(struct snd_trident * trident) | 
|  | { | 
|  | int idx; | 
|  |  | 
|  | for (idx = 31; idx >= 0; idx--) { | 
|  | if (!(trident->ChanMap[T4D_BANK_A] & (1 << idx))) { | 
|  | trident->ChanMap[T4D_BANK_A] |= 1 << idx; | 
|  | trident->synth.ChanSynthCount++; | 
|  | return idx; | 
|  | } | 
|  | } | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | void snd_trident_free_synth_channel( int channel ) | 
|  |  | 
|  | Description: Free hardware channel in Bank B (0-31). | 
|  |  | 
|  | Parameters :  trident - pointer to target device class for 4DWave. | 
|  | channel - hardware channel number 0-63 | 
|  |  | 
|  | Return Value: none | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_free_synth_channel(struct snd_trident *trident, int channel) | 
|  | { | 
|  | if (channel < 0 || channel > 31) | 
|  | return; | 
|  | channel &= 0x1f; | 
|  | if (trident->ChanMap[T4D_BANK_A] & (1 << channel)) { | 
|  | trident->ChanMap[T4D_BANK_A] &= ~(1 << channel); | 
|  | trident->synth.ChanSynthCount--; | 
|  | } | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_voice_regs | 
|  |  | 
|  | Description: This routine will complete and write the 5 hardware channel | 
|  | registers to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | Each register field. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | void snd_trident_write_voice_regs(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice) | 
|  | { | 
|  | unsigned int FmcRvolCvol; | 
|  | unsigned int regs[5]; | 
|  |  | 
|  | regs[1] = voice->LBA; | 
|  | regs[4] = (voice->GVSel << 31) | | 
|  | ((voice->Pan & 0x0000007f) << 24) | | 
|  | ((voice->CTRL & 0x0000000f) << 12); | 
|  | FmcRvolCvol = ((voice->FMC & 3) << 14) | | 
|  | ((voice->RVol & 0x7f) << 7) | | 
|  | (voice->CVol & 0x7f); | 
|  |  | 
|  | switch (trident->device) { | 
|  | case TRIDENT_DEVICE_ID_SI7018: | 
|  | regs[4] |= voice->number > 31 ? | 
|  | (voice->Vol & 0x000003ff) : | 
|  | ((voice->Vol & 0x00003fc) << (16-2)) | | 
|  | (voice->EC & 0x00000fff); | 
|  | regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) | | 
|  | (voice->FMS & 0x0000000f); | 
|  | regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff); | 
|  | regs[3] = (voice->Attribute << 16) | FmcRvolCvol; | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_DX: | 
|  | regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) | | 
|  | (voice->EC & 0x00000fff); | 
|  | regs[0] = (voice->CSO << 16) | ((voice->Alpha & 0x00000fff) << 4) | | 
|  | (voice->FMS & 0x0000000f); | 
|  | regs[2] = (voice->ESO << 16) | (voice->Delta & 0x0ffff); | 
|  | regs[3] = FmcRvolCvol; | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_NX: | 
|  | regs[4] |= ((voice->Vol & 0x000003fc) << (16-2)) | | 
|  | (voice->EC & 0x00000fff); | 
|  | regs[0] = (voice->Delta << 24) | (voice->CSO & 0x00ffffff); | 
|  | regs[2] = ((voice->Delta << 16) & 0xff000000) | | 
|  | (voice->ESO & 0x00ffffff); | 
|  | regs[3] = (voice->Alpha << 20) | | 
|  | ((voice->FMS & 0x0000000f) << 16) | FmcRvolCvol; | 
|  | break; | 
|  | default: | 
|  | snd_BUG(); | 
|  | return; | 
|  | } | 
|  |  | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | outl(regs[0], TRID_REG(trident, CH_START + 0)); | 
|  | outl(regs[1], TRID_REG(trident, CH_START + 4)); | 
|  | outl(regs[2], TRID_REG(trident, CH_START + 8)); | 
|  | outl(regs[3], TRID_REG(trident, CH_START + 12)); | 
|  | outl(regs[4], TRID_REG(trident, CH_START + 16)); | 
|  |  | 
|  | #if 0 | 
|  | printk("written %i channel:\n", voice->number); | 
|  | printk("  regs[0] = 0x%x/0x%x\n", regs[0], inl(TRID_REG(trident, CH_START + 0))); | 
|  | printk("  regs[1] = 0x%x/0x%x\n", regs[1], inl(TRID_REG(trident, CH_START + 4))); | 
|  | printk("  regs[2] = 0x%x/0x%x\n", regs[2], inl(TRID_REG(trident, CH_START + 8))); | 
|  | printk("  regs[3] = 0x%x/0x%x\n", regs[3], inl(TRID_REG(trident, CH_START + 12))); | 
|  | printk("  regs[4] = 0x%x/0x%x\n", regs[4], inl(TRID_REG(trident, CH_START + 16))); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | EXPORT_SYMBOL(snd_trident_write_voice_regs); | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_cso_reg | 
|  |  | 
|  | Description: This routine will write the new CSO offset | 
|  | register to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | CSO - new CSO value | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_write_cso_reg(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice, | 
|  | unsigned int CSO) | 
|  | { | 
|  | voice->CSO = CSO; | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | if (trident->device != TRIDENT_DEVICE_ID_NX) { | 
|  | outw(voice->CSO, TRID_REG(trident, CH_DX_CSO_ALPHA_FMS) + 2); | 
|  | } else { | 
|  | outl((voice->Delta << 24) | | 
|  | (voice->CSO & 0x00ffffff), TRID_REG(trident, CH_NX_DELTA_CSO)); | 
|  | } | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_eso_reg | 
|  |  | 
|  | Description: This routine will write the new ESO offset | 
|  | register to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | ESO - new ESO value | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_write_eso_reg(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice, | 
|  | unsigned int ESO) | 
|  | { | 
|  | voice->ESO = ESO; | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | if (trident->device != TRIDENT_DEVICE_ID_NX) { | 
|  | outw(voice->ESO, TRID_REG(trident, CH_DX_ESO_DELTA) + 2); | 
|  | } else { | 
|  | outl(((voice->Delta << 16) & 0xff000000) | (voice->ESO & 0x00ffffff), | 
|  | TRID_REG(trident, CH_NX_DELTA_ESO)); | 
|  | } | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_vol_reg | 
|  |  | 
|  | Description: This routine will write the new voice volume | 
|  | register to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | Vol - new voice volume | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_write_vol_reg(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice, | 
|  | unsigned int Vol) | 
|  | { | 
|  | voice->Vol = Vol; | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | switch (trident->device) { | 
|  | case TRIDENT_DEVICE_ID_DX: | 
|  | case TRIDENT_DEVICE_ID_NX: | 
|  | outb(voice->Vol >> 2, TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 2)); | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_SI7018: | 
|  | // printk("voice->Vol = 0x%x\n", voice->Vol); | 
|  | outw((voice->CTRL << 12) | voice->Vol, | 
|  | TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC)); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_pan_reg | 
|  |  | 
|  | Description: This routine will write the new voice pan | 
|  | register to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | Pan - new pan value | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_write_pan_reg(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice, | 
|  | unsigned int Pan) | 
|  | { | 
|  | voice->Pan = Pan; | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | outb(((voice->GVSel & 0x01) << 7) | (voice->Pan & 0x7f), | 
|  | TRID_REG(trident, CH_GVSEL_PAN_VOL_CTRL_EC + 3)); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_rvol_reg | 
|  |  | 
|  | Description: This routine will write the new reverb volume | 
|  | register to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | RVol - new reverb volume | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_write_rvol_reg(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice, | 
|  | unsigned int RVol) | 
|  | { | 
|  | voice->RVol = RVol; | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) | | 
|  | (voice->CVol & 0x007f), | 
|  | TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ? | 
|  | CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL)); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_write_cvol_reg | 
|  |  | 
|  | Description: This routine will write the new chorus volume | 
|  | register to hardware. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | voice - synthesizer voice structure | 
|  | CVol - new chorus volume | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static void snd_trident_write_cvol_reg(struct snd_trident * trident, | 
|  | struct snd_trident_voice * voice, | 
|  | unsigned int CVol) | 
|  | { | 
|  | voice->CVol = CVol; | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | outw(((voice->FMC & 0x0003) << 14) | ((voice->RVol & 0x007f) << 7) | | 
|  | (voice->CVol & 0x007f), | 
|  | TRID_REG(trident, trident->device == TRIDENT_DEVICE_ID_NX ? | 
|  | CH_NX_ALPHA_FMS_FMC_RVOL_CVOL : CH_DX_FMC_RVOL_CVOL)); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_convert_rate | 
|  |  | 
|  | Description: This routine converts rate in HZ to hardware delta value. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | rate - Real or Virtual channel number. | 
|  |  | 
|  | Returns:     Delta value. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static unsigned int snd_trident_convert_rate(unsigned int rate) | 
|  | { | 
|  | unsigned int delta; | 
|  |  | 
|  | // We special case 44100 and 8000 since rounding with the equation | 
|  | // does not give us an accurate enough value. For 11025 and 22050 | 
|  | // the equation gives us the best answer. All other frequencies will | 
|  | // also use the equation. JDW | 
|  | if (rate == 44100) | 
|  | delta = 0xeb3; | 
|  | else if (rate == 8000) | 
|  | delta = 0x2ab; | 
|  | else if (rate == 48000) | 
|  | delta = 0x1000; | 
|  | else | 
|  | delta = (((rate << 12) + 24000) / 48000) & 0x0000ffff; | 
|  | return delta; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_convert_adc_rate | 
|  |  | 
|  | Description: This routine converts rate in HZ to hardware delta value. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | rate - Real or Virtual channel number. | 
|  |  | 
|  | Returns:     Delta value. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static unsigned int snd_trident_convert_adc_rate(unsigned int rate) | 
|  | { | 
|  | unsigned int delta; | 
|  |  | 
|  | // We special case 44100 and 8000 since rounding with the equation | 
|  | // does not give us an accurate enough value. For 11025 and 22050 | 
|  | // the equation gives us the best answer. All other frequencies will | 
|  | // also use the equation. JDW | 
|  | if (rate == 44100) | 
|  | delta = 0x116a; | 
|  | else if (rate == 8000) | 
|  | delta = 0x6000; | 
|  | else if (rate == 48000) | 
|  | delta = 0x1000; | 
|  | else | 
|  | delta = ((48000 << 12) / rate) & 0x0000ffff; | 
|  | return delta; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spurious_threshold | 
|  |  | 
|  | Description: This routine converts rate in HZ to spurious threshold. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | rate - Real or Virtual channel number. | 
|  |  | 
|  | Returns:     Delta value. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static unsigned int snd_trident_spurious_threshold(unsigned int rate, | 
|  | unsigned int period_size) | 
|  | { | 
|  | unsigned int res = (rate * period_size) / 48000; | 
|  | if (res < 64) | 
|  | res = res / 2; | 
|  | else | 
|  | res -= 32; | 
|  | return res; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_control_mode | 
|  |  | 
|  | Description: This routine returns a control mode for a PCM channel. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  | substream  - PCM substream | 
|  |  | 
|  | Returns:     Control value. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static unsigned int snd_trident_control_mode(struct snd_pcm_substream *substream) | 
|  | { | 
|  | unsigned int CTRL; | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  |  | 
|  | /* set ctrl mode | 
|  | CTRL default: 8-bit (unsigned) mono, loop mode enabled | 
|  | */ | 
|  | CTRL = 0x00000001; | 
|  | if (snd_pcm_format_width(runtime->format) == 16) | 
|  | CTRL |= 0x00000008;	// 16-bit data | 
|  | if (snd_pcm_format_signed(runtime->format)) | 
|  | CTRL |= 0x00000002;	// signed data | 
|  | if (runtime->channels > 1) | 
|  | CTRL |= 0x00000004;	// stereo data | 
|  | return CTRL; | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  PCM part | 
|  | */ | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_ioctl | 
|  |  | 
|  | Description: Device I/O control handler for playback/capture parameters. | 
|  |  | 
|  | Paramters:   substream  - PCM substream class | 
|  | cmd     - what ioctl message to process | 
|  | arg     - additional message infoarg | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_ioctl(struct snd_pcm_substream *substream, | 
|  | unsigned int cmd, | 
|  | void *arg) | 
|  | { | 
|  | /* FIXME: it seems that with small periods the behaviour of | 
|  | trident hardware is unpredictable and interrupt generator | 
|  | is broken */ | 
|  | return snd_pcm_lib_ioctl(substream, cmd, arg); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_allocate_pcm_mem | 
|  |  | 
|  | Description: Allocate PCM ring buffer for given substream | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | hw_params  - hardware parameters | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_allocate_pcm_mem(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | int err; | 
|  |  | 
|  | if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) | 
|  | return err; | 
|  | if (trident->tlb.entries) { | 
|  | if (err > 0) { /* change */ | 
|  | if (voice->memblk) | 
|  | snd_trident_free_pages(trident, voice->memblk); | 
|  | voice->memblk = snd_trident_alloc_pages(trident, substream); | 
|  | if (voice->memblk == NULL) | 
|  | return -ENOMEM; | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_allocate_evoice | 
|  |  | 
|  | Description: Allocate extra voice as interrupt generator | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | hw_params  - hardware parameters | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_allocate_evoice(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice->extra; | 
|  |  | 
|  | /* voice management */ | 
|  |  | 
|  | if (params_buffer_size(hw_params) / 2 != params_period_size(hw_params)) { | 
|  | if (evoice == NULL) { | 
|  | evoice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); | 
|  | if (evoice == NULL) | 
|  | return -ENOMEM; | 
|  | voice->extra = evoice; | 
|  | evoice->substream = substream; | 
|  | } | 
|  | } else { | 
|  | if (evoice != NULL) { | 
|  | snd_trident_free_voice(trident, evoice); | 
|  | voice->extra = evoice = NULL; | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_hw_params | 
|  |  | 
|  | Description: Set the hardware parameters for the playback device. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | hw_params  - hardware parameters | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | err = snd_trident_allocate_pcm_mem(substream, hw_params); | 
|  | if (err >= 0) | 
|  | err = snd_trident_allocate_evoice(substream, hw_params); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_playback_hw_free | 
|  |  | 
|  | Description: Release the hardware resources for the playback device. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_hw_free(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice ? voice->extra : NULL; | 
|  |  | 
|  | if (trident->tlb.entries) { | 
|  | if (voice && voice->memblk) { | 
|  | snd_trident_free_pages(trident, voice->memblk); | 
|  | voice->memblk = NULL; | 
|  | } | 
|  | } | 
|  | snd_pcm_lib_free_pages(substream); | 
|  | if (evoice != NULL) { | 
|  | snd_trident_free_voice(trident, evoice); | 
|  | voice->extra = NULL; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_playback_prepare | 
|  |  | 
|  | Description: Prepare playback device for playback. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_playback_prepare(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice->extra; | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number]; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  |  | 
|  | /* set delta (rate) value */ | 
|  | voice->Delta = snd_trident_convert_rate(runtime->rate); | 
|  | voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); | 
|  |  | 
|  | /* set Loop Begin Address */ | 
|  | if (voice->memblk) | 
|  | voice->LBA = voice->memblk->offset; | 
|  | else | 
|  | voice->LBA = runtime->dma_addr; | 
|  |  | 
|  | voice->CSO = 0; | 
|  | voice->ESO = runtime->buffer_size - 1;	/* in samples */ | 
|  | voice->CTRL = snd_trident_control_mode(substream); | 
|  | voice->FMC = 3; | 
|  | voice->GVSel = 1; | 
|  | voice->EC = 0; | 
|  | voice->Alpha = 0; | 
|  | voice->FMS = 0; | 
|  | voice->Vol = mix->vol; | 
|  | voice->RVol = mix->rvol; | 
|  | voice->CVol = mix->cvol; | 
|  | voice->Pan = mix->pan; | 
|  | voice->Attribute = 0; | 
|  | #if 0 | 
|  | voice->Attribute = (1<<(30-16))|(2<<(26-16))| | 
|  | (0<<(24-16))|(0x1f<<(19-16)); | 
|  | #else | 
|  | voice->Attribute = 0; | 
|  | #endif | 
|  |  | 
|  | snd_trident_write_voice_regs(trident, voice); | 
|  |  | 
|  | if (evoice != NULL) { | 
|  | evoice->Delta = voice->Delta; | 
|  | evoice->spurious_threshold = voice->spurious_threshold; | 
|  | evoice->LBA = voice->LBA; | 
|  | evoice->CSO = 0; | 
|  | evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */ | 
|  | evoice->CTRL = voice->CTRL; | 
|  | evoice->FMC = 3; | 
|  | evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1; | 
|  | evoice->EC = 0; | 
|  | evoice->Alpha = 0; | 
|  | evoice->FMS = 0; | 
|  | evoice->Vol = 0x3ff;			/* mute */ | 
|  | evoice->RVol = evoice->CVol = 0x7f;	/* mute */ | 
|  | evoice->Pan = 0x7f;			/* mute */ | 
|  | #if 0 | 
|  | evoice->Attribute = (1<<(30-16))|(2<<(26-16))| | 
|  | (0<<(24-16))|(0x1f<<(19-16)); | 
|  | #else | 
|  | evoice->Attribute = 0; | 
|  | #endif | 
|  | snd_trident_write_voice_regs(trident, evoice); | 
|  | evoice->isync2 = 1; | 
|  | evoice->isync_mark = runtime->period_size; | 
|  | evoice->ESO = (runtime->period_size * 2) - 1; | 
|  | } | 
|  |  | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_capture_hw_params | 
|  |  | 
|  | Description: Set the hardware parameters for the capture device. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | hw_params  - hardware parameters | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_capture_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | return snd_trident_allocate_pcm_mem(substream, hw_params); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_capture_prepare | 
|  |  | 
|  | Description: Prepare capture device for playback. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_capture_prepare(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | unsigned int val, ESO_bytes; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  |  | 
|  | // Initilize the channel and set channel Mode | 
|  | outb(0, TRID_REG(trident, LEGACY_DMAR15)); | 
|  |  | 
|  | // Set DMA channel operation mode register | 
|  | outb(0x54, TRID_REG(trident, LEGACY_DMAR11)); | 
|  |  | 
|  | // Set channel buffer Address, DMAR0 expects contiguous PCI memory area | 
|  | voice->LBA = runtime->dma_addr; | 
|  | outl(voice->LBA, TRID_REG(trident, LEGACY_DMAR0)); | 
|  | if (voice->memblk) | 
|  | voice->LBA = voice->memblk->offset; | 
|  |  | 
|  | // set ESO | 
|  | ESO_bytes = snd_pcm_lib_buffer_bytes(substream) - 1; | 
|  | outb((ESO_bytes & 0x00ff0000) >> 16, TRID_REG(trident, LEGACY_DMAR6)); | 
|  | outw((ESO_bytes & 0x0000ffff), TRID_REG(trident, LEGACY_DMAR4)); | 
|  | ESO_bytes++; | 
|  |  | 
|  | // Set channel sample rate, 4.12 format | 
|  | val = (((unsigned int) 48000L << 12) + (runtime->rate/2)) / runtime->rate; | 
|  | outw(val, TRID_REG(trident, T4D_SBDELTA_DELTA_R)); | 
|  |  | 
|  | // Set channel interrupt blk length | 
|  | if (snd_pcm_format_width(runtime->format) == 16) { | 
|  | val = (unsigned short) ((ESO_bytes >> 1) - 1); | 
|  | } else { | 
|  | val = (unsigned short) (ESO_bytes - 1); | 
|  | } | 
|  |  | 
|  | outl((val << 16) | val, TRID_REG(trident, T4D_SBBL_SBCL)); | 
|  |  | 
|  | // Right now, set format and start to run captureing, | 
|  | // continuous run loop enable. | 
|  | trident->bDMAStart = 0x19;	// 0001 1001b | 
|  |  | 
|  | if (snd_pcm_format_width(runtime->format) == 16) | 
|  | trident->bDMAStart |= 0x80; | 
|  | if (snd_pcm_format_signed(runtime->format)) | 
|  | trident->bDMAStart |= 0x20; | 
|  | if (runtime->channels > 1) | 
|  | trident->bDMAStart |= 0x40; | 
|  |  | 
|  | // Prepare capture intr channel | 
|  |  | 
|  | voice->Delta = snd_trident_convert_rate(runtime->rate); | 
|  | voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); | 
|  | voice->isync = 1; | 
|  | voice->isync_mark = runtime->period_size; | 
|  | voice->isync_max = runtime->buffer_size; | 
|  |  | 
|  | // Set voice parameters | 
|  | voice->CSO = 0; | 
|  | voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1; | 
|  | voice->CTRL = snd_trident_control_mode(substream); | 
|  | voice->FMC = 3; | 
|  | voice->RVol = 0x7f; | 
|  | voice->CVol = 0x7f; | 
|  | voice->GVSel = 1; | 
|  | voice->Pan = 0x7f;		/* mute */ | 
|  | voice->Vol = 0x3ff;		/* mute */ | 
|  | voice->EC = 0; | 
|  | voice->Alpha = 0; | 
|  | voice->FMS = 0; | 
|  | voice->Attribute = 0; | 
|  |  | 
|  | snd_trident_write_voice_regs(trident, voice); | 
|  |  | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_si7018_capture_hw_params | 
|  |  | 
|  | Description: Set the hardware parameters for the capture device. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | hw_params  - hardware parameters | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_si7018_capture_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 snd_trident_allocate_evoice(substream, hw_params); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_si7018_capture_hw_free | 
|  |  | 
|  | Description: Release the hardware resources for the capture device. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_si7018_capture_hw_free(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice ? voice->extra : NULL; | 
|  |  | 
|  | snd_pcm_lib_free_pages(substream); | 
|  | if (evoice != NULL) { | 
|  | snd_trident_free_voice(trident, evoice); | 
|  | voice->extra = NULL; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_si7018_capture_prepare | 
|  |  | 
|  | Description: Prepare capture device for playback. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_si7018_capture_prepare(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice->extra; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  |  | 
|  | voice->LBA = runtime->dma_addr; | 
|  | voice->Delta = snd_trident_convert_adc_rate(runtime->rate); | 
|  | voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); | 
|  |  | 
|  | // Set voice parameters | 
|  | voice->CSO = 0; | 
|  | voice->ESO = runtime->buffer_size - 1;		/* in samples */ | 
|  | voice->CTRL = snd_trident_control_mode(substream); | 
|  | voice->FMC = 0; | 
|  | voice->RVol = 0; | 
|  | voice->CVol = 0; | 
|  | voice->GVSel = 1; | 
|  | voice->Pan = T4D_DEFAULT_PCM_PAN; | 
|  | voice->Vol = 0; | 
|  | voice->EC = 0; | 
|  | voice->Alpha = 0; | 
|  | voice->FMS = 0; | 
|  |  | 
|  | voice->Attribute = (2 << (30-16)) | | 
|  | (2 << (26-16)) | | 
|  | (2 << (24-16)) | | 
|  | (1 << (23-16)); | 
|  |  | 
|  | snd_trident_write_voice_regs(trident, voice); | 
|  |  | 
|  | if (evoice != NULL) { | 
|  | evoice->Delta = snd_trident_convert_rate(runtime->rate); | 
|  | evoice->spurious_threshold = voice->spurious_threshold; | 
|  | evoice->LBA = voice->LBA; | 
|  | evoice->CSO = 0; | 
|  | evoice->ESO = (runtime->period_size * 2) + 20 - 1; /* in samples, 20 means correction */ | 
|  | evoice->CTRL = voice->CTRL; | 
|  | evoice->FMC = 3; | 
|  | evoice->GVSel = 0; | 
|  | evoice->EC = 0; | 
|  | evoice->Alpha = 0; | 
|  | evoice->FMS = 0; | 
|  | evoice->Vol = 0x3ff;			/* mute */ | 
|  | evoice->RVol = evoice->CVol = 0x7f;	/* mute */ | 
|  | evoice->Pan = 0x7f;			/* mute */ | 
|  | evoice->Attribute = 0; | 
|  | snd_trident_write_voice_regs(trident, evoice); | 
|  | evoice->isync2 = 1; | 
|  | evoice->isync_mark = runtime->period_size; | 
|  | evoice->ESO = (runtime->period_size * 2) - 1; | 
|  | } | 
|  |  | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_foldback_prepare | 
|  |  | 
|  | Description: Prepare foldback capture device for playback. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_foldback_prepare(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice->extra; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  |  | 
|  | /* Set channel buffer Address */ | 
|  | if (voice->memblk) | 
|  | voice->LBA = voice->memblk->offset; | 
|  | else | 
|  | voice->LBA = runtime->dma_addr; | 
|  |  | 
|  | /* set target ESO for channel */ | 
|  | voice->ESO = runtime->buffer_size - 1;	/* in samples */ | 
|  |  | 
|  | /* set sample rate */ | 
|  | voice->Delta = 0x1000; | 
|  | voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size); | 
|  |  | 
|  | voice->CSO = 0; | 
|  | voice->CTRL = snd_trident_control_mode(substream); | 
|  | voice->FMC = 3; | 
|  | voice->RVol = 0x7f; | 
|  | voice->CVol = 0x7f; | 
|  | voice->GVSel = 1; | 
|  | voice->Pan = 0x7f;	/* mute */ | 
|  | voice->Vol = 0x3ff;	/* mute */ | 
|  | voice->EC = 0; | 
|  | voice->Alpha = 0; | 
|  | voice->FMS = 0; | 
|  | voice->Attribute = 0; | 
|  |  | 
|  | /* set up capture channel */ | 
|  | outb(((voice->number & 0x3f) | 0x80), TRID_REG(trident, T4D_RCI + voice->foldback_chan)); | 
|  |  | 
|  | snd_trident_write_voice_regs(trident, voice); | 
|  |  | 
|  | if (evoice != NULL) { | 
|  | evoice->Delta = voice->Delta; | 
|  | evoice->spurious_threshold = voice->spurious_threshold; | 
|  | evoice->LBA = voice->LBA; | 
|  | evoice->CSO = 0; | 
|  | evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */ | 
|  | evoice->CTRL = voice->CTRL; | 
|  | evoice->FMC = 3; | 
|  | evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1; | 
|  | evoice->EC = 0; | 
|  | evoice->Alpha = 0; | 
|  | evoice->FMS = 0; | 
|  | evoice->Vol = 0x3ff;			/* mute */ | 
|  | evoice->RVol = evoice->CVol = 0x7f;	/* mute */ | 
|  | evoice->Pan = 0x7f;			/* mute */ | 
|  | evoice->Attribute = 0; | 
|  | snd_trident_write_voice_regs(trident, evoice); | 
|  | evoice->isync2 = 1; | 
|  | evoice->isync_mark = runtime->period_size; | 
|  | evoice->ESO = (runtime->period_size * 2) - 1; | 
|  | } | 
|  |  | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_hw_params | 
|  |  | 
|  | Description: Set the hardware parameters for the spdif device. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | hw_params  - hardware parameters | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | unsigned int old_bits = 0, change = 0; | 
|  | int err; | 
|  |  | 
|  | err = snd_trident_allocate_pcm_mem(substream, hw_params); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | err = snd_trident_allocate_evoice(substream, hw_params); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* prepare SPDIF channel */ | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | old_bits = trident->spdif_pcm_bits; | 
|  | if (old_bits & IEC958_AES0_PROFESSIONAL) | 
|  | trident->spdif_pcm_bits &= ~IEC958_AES0_PRO_FS; | 
|  | else | 
|  | trident->spdif_pcm_bits &= ~(IEC958_AES3_CON_FS << 24); | 
|  | if (params_rate(hw_params) >= 48000) { | 
|  | trident->spdif_pcm_ctrl = 0x3c;	// 48000 Hz | 
|  | trident->spdif_pcm_bits |= | 
|  | trident->spdif_bits & IEC958_AES0_PROFESSIONAL ? | 
|  | IEC958_AES0_PRO_FS_48000 : | 
|  | (IEC958_AES3_CON_FS_48000 << 24); | 
|  | } | 
|  | else if (params_rate(hw_params) >= 44100) { | 
|  | trident->spdif_pcm_ctrl = 0x3e;	// 44100 Hz | 
|  | trident->spdif_pcm_bits |= | 
|  | trident->spdif_bits & IEC958_AES0_PROFESSIONAL ? | 
|  | IEC958_AES0_PRO_FS_44100 : | 
|  | (IEC958_AES3_CON_FS_44100 << 24); | 
|  | } | 
|  | else { | 
|  | trident->spdif_pcm_ctrl = 0x3d;	// 32000 Hz | 
|  | trident->spdif_pcm_bits |= | 
|  | trident->spdif_bits & IEC958_AES0_PROFESSIONAL ? | 
|  | IEC958_AES0_PRO_FS_32000 : | 
|  | (IEC958_AES3_CON_FS_32000 << 24); | 
|  | } | 
|  | change = old_bits != trident->spdif_pcm_bits; | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  |  | 
|  | if (change) | 
|  | snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE, &trident->spdif_pcm_ctl->id); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_prepare | 
|  |  | 
|  | Description: Prepare SPDIF device for playback. | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_prepare(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident_voice *evoice = voice->extra; | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[substream->number]; | 
|  | unsigned int RESO, LBAO; | 
|  | unsigned int temp; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  |  | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  |  | 
|  | /* set delta (rate) value */ | 
|  | voice->Delta = snd_trident_convert_rate(runtime->rate); | 
|  | voice->spurious_threshold = snd_trident_spurious_threshold(runtime->rate, runtime->period_size); | 
|  |  | 
|  | /* set Loop Back Address */ | 
|  | LBAO = runtime->dma_addr; | 
|  | if (voice->memblk) | 
|  | voice->LBA = voice->memblk->offset; | 
|  | else | 
|  | voice->LBA = LBAO; | 
|  |  | 
|  | voice->isync = 1; | 
|  | voice->isync3 = 1; | 
|  | voice->isync_mark = runtime->period_size; | 
|  | voice->isync_max = runtime->buffer_size; | 
|  |  | 
|  | /* set target ESO for channel */ | 
|  | RESO = runtime->buffer_size - 1; | 
|  | voice->ESO = voice->isync_ESO = (runtime->period_size * 2) + 6 - 1; | 
|  |  | 
|  | /* set ctrl mode */ | 
|  | voice->CTRL = snd_trident_control_mode(substream); | 
|  |  | 
|  | voice->FMC = 3; | 
|  | voice->RVol = 0x7f; | 
|  | voice->CVol = 0x7f; | 
|  | voice->GVSel = 1; | 
|  | voice->Pan = 0x7f; | 
|  | voice->Vol = 0x3ff; | 
|  | voice->EC = 0; | 
|  | voice->CSO = 0; | 
|  | voice->Alpha = 0; | 
|  | voice->FMS = 0; | 
|  | voice->Attribute = 0; | 
|  |  | 
|  | /* prepare surrogate IRQ channel */ | 
|  | snd_trident_write_voice_regs(trident, voice); | 
|  |  | 
|  | outw((RESO & 0xffff), TRID_REG(trident, NX_SPESO)); | 
|  | outb((RESO >> 16), TRID_REG(trident, NX_SPESO + 2)); | 
|  | outl((LBAO & 0xfffffffc), TRID_REG(trident, NX_SPLBA)); | 
|  | outw((voice->CSO & 0xffff), TRID_REG(trident, NX_SPCTRL_SPCSO)); | 
|  | outb((voice->CSO >> 16), TRID_REG(trident, NX_SPCTRL_SPCSO + 2)); | 
|  |  | 
|  | /* set SPDIF setting */ | 
|  | outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); | 
|  | outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  |  | 
|  | } else {	/* SiS */ | 
|  |  | 
|  | /* set delta (rate) value */ | 
|  | voice->Delta = 0x800; | 
|  | voice->spurious_threshold = snd_trident_spurious_threshold(48000, runtime->period_size); | 
|  |  | 
|  | /* set Loop Begin Address */ | 
|  | if (voice->memblk) | 
|  | voice->LBA = voice->memblk->offset; | 
|  | else | 
|  | voice->LBA = runtime->dma_addr; | 
|  |  | 
|  | voice->CSO = 0; | 
|  | voice->ESO = runtime->buffer_size - 1;	/* in samples */ | 
|  | voice->CTRL = snd_trident_control_mode(substream); | 
|  | voice->FMC = 3; | 
|  | voice->GVSel = 1; | 
|  | voice->EC = 0; | 
|  | voice->Alpha = 0; | 
|  | voice->FMS = 0; | 
|  | voice->Vol = mix->vol; | 
|  | voice->RVol = mix->rvol; | 
|  | voice->CVol = mix->cvol; | 
|  | voice->Pan = mix->pan; | 
|  | voice->Attribute = (1<<(30-16))|(7<<(26-16))| | 
|  | (0<<(24-16))|(0<<(19-16)); | 
|  |  | 
|  | snd_trident_write_voice_regs(trident, voice); | 
|  |  | 
|  | if (evoice != NULL) { | 
|  | evoice->Delta = voice->Delta; | 
|  | evoice->spurious_threshold = voice->spurious_threshold; | 
|  | evoice->LBA = voice->LBA; | 
|  | evoice->CSO = 0; | 
|  | evoice->ESO = (runtime->period_size * 2) + 4 - 1; /* in samples */ | 
|  | evoice->CTRL = voice->CTRL; | 
|  | evoice->FMC = 3; | 
|  | evoice->GVSel = trident->device == TRIDENT_DEVICE_ID_SI7018 ? 0 : 1; | 
|  | evoice->EC = 0; | 
|  | evoice->Alpha = 0; | 
|  | evoice->FMS = 0; | 
|  | evoice->Vol = 0x3ff;			/* mute */ | 
|  | evoice->RVol = evoice->CVol = 0x7f;	/* mute */ | 
|  | evoice->Pan = 0x7f;			/* mute */ | 
|  | evoice->Attribute = 0; | 
|  | snd_trident_write_voice_regs(trident, evoice); | 
|  | evoice->isync2 = 1; | 
|  | evoice->isync_mark = runtime->period_size; | 
|  | evoice->ESO = (runtime->period_size * 2) - 1; | 
|  | } | 
|  |  | 
|  | outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  | temp = inl(TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | temp &= ~(1<<19); | 
|  | outl(temp, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | temp |= SPDIF_EN; | 
|  | outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | } | 
|  |  | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_trigger | 
|  |  | 
|  | Description: Start/stop devices | 
|  |  | 
|  | Parameters:  substream  - PCM substream class | 
|  | cmd	- trigger command (STOP, GO) | 
|  |  | 
|  | Returns:     Error status | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_trigger(struct snd_pcm_substream *substream, | 
|  | int cmd) | 
|  |  | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct list_head *pos; | 
|  | struct snd_pcm_substream *s; | 
|  | unsigned int what, whati, capture_flag, spdif_flag; | 
|  | struct snd_trident_voice *voice, *evoice; | 
|  | unsigned int val, go; | 
|  |  | 
|  | switch (cmd) { | 
|  | case SNDRV_PCM_TRIGGER_START: | 
|  | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | 
|  | case SNDRV_PCM_TRIGGER_RESUME: | 
|  | go = 1; | 
|  | break; | 
|  | case SNDRV_PCM_TRIGGER_STOP: | 
|  | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | 
|  | case SNDRV_PCM_TRIGGER_SUSPEND: | 
|  | go = 0; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | what = whati = capture_flag = spdif_flag = 0; | 
|  | spin_lock(&trident->reg_lock); | 
|  | val = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff; | 
|  | snd_pcm_group_for_each(pos, substream) { | 
|  | s = snd_pcm_group_substream_entry(pos); | 
|  | if ((struct snd_trident *) snd_pcm_substream_chip(s) == trident) { | 
|  | voice = s->runtime->private_data; | 
|  | evoice = voice->extra; | 
|  | what |= 1 << (voice->number & 0x1f); | 
|  | if (evoice == NULL) { | 
|  | whati |= 1 << (voice->number & 0x1f); | 
|  | } else { | 
|  | what |= 1 << (evoice->number & 0x1f); | 
|  | whati |= 1 << (evoice->number & 0x1f); | 
|  | if (go) | 
|  | evoice->stimer = val; | 
|  | } | 
|  | if (go) { | 
|  | voice->running = 1; | 
|  | voice->stimer = val; | 
|  | } else { | 
|  | voice->running = 0; | 
|  | } | 
|  | snd_pcm_trigger_done(s, substream); | 
|  | if (voice->capture) | 
|  | capture_flag = 1; | 
|  | if (voice->spdif) | 
|  | spdif_flag = 1; | 
|  | } | 
|  | } | 
|  | if (spdif_flag) { | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  | outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); | 
|  | } else { | 
|  | outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  | val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN; | 
|  | outl(val, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | } | 
|  | } | 
|  | if (!go) | 
|  | outl(what, TRID_REG(trident, T4D_STOP_B)); | 
|  | val = inl(TRID_REG(trident, T4D_AINTEN_B)); | 
|  | if (go) { | 
|  | val |= whati; | 
|  | } else { | 
|  | val &= ~whati; | 
|  | } | 
|  | outl(val, TRID_REG(trident, T4D_AINTEN_B)); | 
|  | if (go) { | 
|  | outl(what, TRID_REG(trident, T4D_START_B)); | 
|  |  | 
|  | if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018) | 
|  | outb(trident->bDMAStart, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD)); | 
|  | } else { | 
|  | if (capture_flag && trident->device != TRIDENT_DEVICE_ID_SI7018) | 
|  | outb(0x00, TRID_REG(trident, T4D_SBCTRL_SBE2R_SBDD)); | 
|  | } | 
|  | spin_unlock(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_playback_pointer | 
|  |  | 
|  | Description: This routine return the playback position | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | Returns:     position of buffer | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static snd_pcm_uframes_t snd_trident_playback_pointer(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | unsigned int cso; | 
|  |  | 
|  | if (!voice->running) | 
|  | return 0; | 
|  |  | 
|  | spin_lock(&trident->reg_lock); | 
|  |  | 
|  | outb(voice->number, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  |  | 
|  | if (trident->device != TRIDENT_DEVICE_ID_NX) { | 
|  | cso = inw(TRID_REG(trident, CH_DX_CSO_ALPHA_FMS + 2)); | 
|  | } else {		// ID_4DWAVE_NX | 
|  | cso = (unsigned int) inl(TRID_REG(trident, CH_NX_DELTA_CSO)) & 0x00ffffff; | 
|  | } | 
|  |  | 
|  | spin_unlock(&trident->reg_lock); | 
|  |  | 
|  | if (cso >= runtime->buffer_size) | 
|  | cso = 0; | 
|  |  | 
|  | return cso; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_capture_pointer | 
|  |  | 
|  | Description: This routine return the capture position | 
|  |  | 
|  | Paramters:   pcm1    - PCM device class | 
|  |  | 
|  | Returns:     position of buffer | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static snd_pcm_uframes_t snd_trident_capture_pointer(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | unsigned int result; | 
|  |  | 
|  | if (!voice->running) | 
|  | return 0; | 
|  |  | 
|  | result = inw(TRID_REG(trident, T4D_SBBL_SBCL)); | 
|  | if (runtime->channels > 1) | 
|  | result >>= 1; | 
|  | if (result > 0) | 
|  | result = runtime->buffer_size - result; | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_pointer | 
|  |  | 
|  | Description: This routine return the SPDIF playback position | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | Returns:     position of buffer | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static snd_pcm_uframes_t snd_trident_spdif_pointer(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | unsigned int result; | 
|  |  | 
|  | if (!voice->running) | 
|  | return 0; | 
|  |  | 
|  | result = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff; | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  Playback support device description | 
|  | */ | 
|  |  | 
|  | static struct snd_pcm_hardware snd_trident_playback = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | | 
|  | SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), | 
|  | .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 =		4000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		1, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(256*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(256*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | .fifo_size =		0, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | *  Capture support device description | 
|  | */ | 
|  |  | 
|  | static struct snd_pcm_hardware snd_trident_capture = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | | 
|  | SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), | 
|  | .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 =		4000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		1, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(128*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(128*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | .fifo_size =		0, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | *  Foldback capture support device description | 
|  | */ | 
|  |  | 
|  | static struct snd_pcm_hardware snd_trident_foldback = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | | 
|  | SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), | 
|  | .formats =		SNDRV_PCM_FMTBIT_S16_LE, | 
|  | .rates =		SNDRV_PCM_RATE_48000, | 
|  | .rate_min =		48000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		2, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(128*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(128*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | .fifo_size =		0, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | *  SPDIF playback support device description | 
|  | */ | 
|  |  | 
|  | static struct snd_pcm_hardware snd_trident_spdif = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | | 
|  | SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), | 
|  | .formats =		SNDRV_PCM_FMTBIT_S16_LE, | 
|  | .rates =		(SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | | 
|  | SNDRV_PCM_RATE_48000), | 
|  | .rate_min =		32000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		2, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(128*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(128*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | .fifo_size =		0, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_hardware snd_trident_spdif_7018 = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START | | 
|  | SNDRV_PCM_INFO_PAUSE /* | SNDRV_PCM_INFO_RESUME */), | 
|  | .formats =		SNDRV_PCM_FMTBIT_S16_LE, | 
|  | .rates =		SNDRV_PCM_RATE_48000, | 
|  | .rate_min =		48000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		2, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	(128*1024), | 
|  | .period_bytes_min =	64, | 
|  | .period_bytes_max =	(128*1024), | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | .fifo_size =		0, | 
|  | }; | 
|  |  | 
|  | static void snd_trident_pcm_free_substream(struct snd_pcm_runtime *runtime) | 
|  | { | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  | struct snd_trident *trident; | 
|  |  | 
|  | if (voice) { | 
|  | trident = voice->trident; | 
|  | snd_trident_free_voice(trident, voice); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int snd_trident_playback_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice; | 
|  |  | 
|  | voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); | 
|  | if (voice == NULL) | 
|  | return -EAGAIN; | 
|  | snd_trident_pcm_mixer_build(trident, voice, substream); | 
|  | voice->substream = substream; | 
|  | runtime->private_data = voice; | 
|  | runtime->private_free = snd_trident_pcm_free_substream; | 
|  | runtime->hw = snd_trident_playback; | 
|  | snd_pcm_set_sync(substream); | 
|  | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_playback_close | 
|  |  | 
|  | Description: This routine will close the 4DWave playback device. For now | 
|  | we will simply free the dma transfer buffer. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static int snd_trident_playback_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct snd_trident_voice *voice = runtime->private_data; | 
|  |  | 
|  | snd_trident_pcm_mixer_free(trident, voice, substream); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_open | 
|  |  | 
|  | Description: This routine will open the 4DWave SPDIF device. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | Returns:     status  - success or failure flag | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_trident_voice *voice; | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  |  | 
|  | voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); | 
|  | if (voice == NULL) | 
|  | return -EAGAIN; | 
|  | voice->spdif = 1; | 
|  | voice->substream = substream; | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | trident->spdif_pcm_bits = trident->spdif_bits; | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  |  | 
|  | runtime->private_data = voice; | 
|  | runtime->private_free = snd_trident_pcm_free_substream; | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | runtime->hw = snd_trident_spdif; | 
|  | } else { | 
|  | runtime->hw = snd_trident_spdif_7018; | 
|  | } | 
|  |  | 
|  | trident->spdif_pcm_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; | 
|  | snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE | | 
|  | SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id); | 
|  |  | 
|  | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_close | 
|  |  | 
|  | Description: This routine will close the 4DWave SPDIF device. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | unsigned int temp; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | // restore default SPDIF setting | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); | 
|  | outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  | } else { | 
|  | outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  | temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | if (trident->spdif_ctrl) { | 
|  | temp |= SPDIF_EN; | 
|  | } else { | 
|  | temp &= ~SPDIF_EN; | 
|  | } | 
|  | outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | } | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | trident->spdif_pcm_ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; | 
|  | snd_ctl_notify(trident->card, SNDRV_CTL_EVENT_MASK_VALUE | | 
|  | SNDRV_CTL_EVENT_MASK_INFO, &trident->spdif_pcm_ctl->id); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_capture_open | 
|  |  | 
|  | Description: This routine will open the 4DWave capture device. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | Returns:     status  - success or failure flag | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_capture_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_trident_voice *voice; | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  |  | 
|  | voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); | 
|  | if (voice == NULL) | 
|  | return -EAGAIN; | 
|  | voice->capture = 1; | 
|  | voice->substream = substream; | 
|  | runtime->private_data = voice; | 
|  | runtime->private_free = snd_trident_pcm_free_substream; | 
|  | runtime->hw = snd_trident_capture; | 
|  | snd_pcm_set_sync(substream); | 
|  | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_capture_close | 
|  |  | 
|  | Description: This routine will close the 4DWave capture device. For now | 
|  | we will simply free the dma transfer buffer. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static int snd_trident_capture_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_foldback_open | 
|  |  | 
|  | Description: This routine will open the 4DWave foldback capture device. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | Returns:     status  - success or failure flag | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_foldback_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_trident_voice *voice; | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  |  | 
|  | voice = snd_trident_alloc_voice(trident, SNDRV_TRIDENT_VOICE_TYPE_PCM, 0, 0); | 
|  | if (voice == NULL) | 
|  | return -EAGAIN; | 
|  | voice->foldback_chan = substream->number; | 
|  | voice->substream = substream; | 
|  | runtime->private_data = voice; | 
|  | runtime->private_free = snd_trident_pcm_free_substream; | 
|  | runtime->hw = snd_trident_foldback; | 
|  | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_foldback_close | 
|  |  | 
|  | Description: This routine will close the 4DWave foldback capture device. | 
|  | For now we will simply free the dma transfer buffer. | 
|  |  | 
|  | Parameters:	substream  - PCM substream class | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | static int snd_trident_foldback_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident *trident = snd_pcm_substream_chip(substream); | 
|  | struct snd_trident_voice *voice; | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | voice = runtime->private_data; | 
|  |  | 
|  | /* stop capture channel */ | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | outb(0x00, TRID_REG(trident, T4D_RCI + voice->foldback_chan)); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | PCM operations | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_playback_ops = { | 
|  | .open =		snd_trident_playback_open, | 
|  | .close =	snd_trident_playback_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_playback_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_playback_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_nx_playback_ops = { | 
|  | .open =		snd_trident_playback_open, | 
|  | .close =	snd_trident_playback_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_playback_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_playback_pointer, | 
|  | .page =		snd_pcm_sgbuf_ops_page, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_capture_ops = { | 
|  | .open =		snd_trident_capture_open, | 
|  | .close =	snd_trident_capture_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_capture_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_capture_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_capture_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_si7018_capture_ops = { | 
|  | .open =		snd_trident_capture_open, | 
|  | .close =	snd_trident_capture_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_si7018_capture_hw_params, | 
|  | .hw_free =	snd_trident_si7018_capture_hw_free, | 
|  | .prepare =	snd_trident_si7018_capture_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_playback_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_foldback_ops = { | 
|  | .open =		snd_trident_foldback_open, | 
|  | .close =	snd_trident_foldback_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_foldback_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_playback_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_nx_foldback_ops = { | 
|  | .open =		snd_trident_foldback_open, | 
|  | .close =	snd_trident_foldback_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_foldback_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_playback_pointer, | 
|  | .page =		snd_pcm_sgbuf_ops_page, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_spdif_ops = { | 
|  | .open =		snd_trident_spdif_open, | 
|  | .close =	snd_trident_spdif_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_spdif_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_spdif_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_spdif_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_trident_spdif_7018_ops = { | 
|  | .open =		snd_trident_spdif_open, | 
|  | .close =	snd_trident_spdif_close, | 
|  | .ioctl =	snd_trident_ioctl, | 
|  | .hw_params =	snd_trident_spdif_hw_params, | 
|  | .hw_free =	snd_trident_hw_free, | 
|  | .prepare =	snd_trident_spdif_prepare, | 
|  | .trigger =	snd_trident_trigger, | 
|  | .pointer =	snd_trident_playback_pointer, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_pcm | 
|  |  | 
|  | Description: This routine registers the 4DWave device for PCM support. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Returns:     None | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | int __devinit snd_trident_pcm(struct snd_trident * trident, | 
|  | int device, struct snd_pcm ** rpcm) | 
|  | { | 
|  | struct snd_pcm *pcm; | 
|  | int err; | 
|  |  | 
|  | if (rpcm) | 
|  | *rpcm = NULL; | 
|  | if ((err = snd_pcm_new(trident->card, "trident_dx_nx", device, trident->ChanPCM, 1, &pcm)) < 0) | 
|  | return err; | 
|  |  | 
|  | pcm->private_data = trident; | 
|  |  | 
|  | if (trident->tlb.entries) { | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_nx_playback_ops); | 
|  | } else { | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_playback_ops); | 
|  | } | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, | 
|  | trident->device != TRIDENT_DEVICE_ID_SI7018 ? | 
|  | &snd_trident_capture_ops : | 
|  | &snd_trident_si7018_capture_ops); | 
|  |  | 
|  | pcm->info_flags = 0; | 
|  | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; | 
|  | strcpy(pcm->name, "Trident 4DWave"); | 
|  | trident->pcm = pcm; | 
|  |  | 
|  | if (trident->tlb.entries) { | 
|  | struct snd_pcm_substream *substream; | 
|  | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) | 
|  | snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, | 
|  | snd_dma_pci_data(trident->pci), | 
|  | 64*1024, 128*1024); | 
|  | snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, | 
|  | SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci), | 
|  | 64*1024, 128*1024); | 
|  | } else { | 
|  | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | 
|  | snd_dma_pci_data(trident->pci), 64*1024, 128*1024); | 
|  | } | 
|  |  | 
|  | if (rpcm) | 
|  | *rpcm = pcm; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_foldback_pcm | 
|  |  | 
|  | Description: This routine registers the 4DWave device for foldback PCM support. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Returns:     None | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | int __devinit snd_trident_foldback_pcm(struct snd_trident * trident, | 
|  | int device, struct snd_pcm ** rpcm) | 
|  | { | 
|  | struct snd_pcm *foldback; | 
|  | int err; | 
|  | int num_chan = 3; | 
|  | struct snd_pcm_substream *substream; | 
|  |  | 
|  | if (rpcm) | 
|  | *rpcm = NULL; | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX) | 
|  | num_chan = 4; | 
|  | if ((err = snd_pcm_new(trident->card, "trident_dx_nx", device, 0, num_chan, &foldback)) < 0) | 
|  | return err; | 
|  |  | 
|  | foldback->private_data = trident; | 
|  | if (trident->tlb.entries) | 
|  | snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_nx_foldback_ops); | 
|  | else | 
|  | snd_pcm_set_ops(foldback, SNDRV_PCM_STREAM_CAPTURE, &snd_trident_foldback_ops); | 
|  | foldback->info_flags = 0; | 
|  | strcpy(foldback->name, "Trident 4DWave"); | 
|  | substream = foldback->streams[SNDRV_PCM_STREAM_CAPTURE].substream; | 
|  | strcpy(substream->name, "Front Mixer"); | 
|  | substream = substream->next; | 
|  | strcpy(substream->name, "Reverb Mixer"); | 
|  | substream = substream->next; | 
|  | strcpy(substream->name, "Chorus Mixer"); | 
|  | if (num_chan == 4) { | 
|  | substream = substream->next; | 
|  | strcpy(substream->name, "Second AC'97 ADC"); | 
|  | } | 
|  | trident->foldback = foldback; | 
|  |  | 
|  | if (trident->tlb.entries) | 
|  | snd_pcm_lib_preallocate_pages_for_all(foldback, SNDRV_DMA_TYPE_DEV_SG, | 
|  | snd_dma_pci_data(trident->pci), 0, 128*1024); | 
|  | else | 
|  | snd_pcm_lib_preallocate_pages_for_all(foldback, SNDRV_DMA_TYPE_DEV, | 
|  | snd_dma_pci_data(trident->pci), 64*1024, 128*1024); | 
|  |  | 
|  | if (rpcm) | 
|  | *rpcm = foldback; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif | 
|  |  | 
|  | Description: This routine registers the 4DWave-NX device for SPDIF support. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave-NX. | 
|  |  | 
|  | Returns:     None | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | int __devinit snd_trident_spdif_pcm(struct snd_trident * trident, | 
|  | int device, struct snd_pcm ** rpcm) | 
|  | { | 
|  | struct snd_pcm *spdif; | 
|  | int err; | 
|  |  | 
|  | if (rpcm) | 
|  | *rpcm = NULL; | 
|  | if ((err = snd_pcm_new(trident->card, "trident_dx_nx IEC958", device, 1, 0, &spdif)) < 0) | 
|  | return err; | 
|  |  | 
|  | spdif->private_data = trident; | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_ops); | 
|  | } else { | 
|  | snd_pcm_set_ops(spdif, SNDRV_PCM_STREAM_PLAYBACK, &snd_trident_spdif_7018_ops); | 
|  | } | 
|  | spdif->info_flags = 0; | 
|  | strcpy(spdif->name, "Trident 4DWave IEC958"); | 
|  | trident->spdif = spdif; | 
|  |  | 
|  | snd_pcm_lib_preallocate_pages_for_all(spdif, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci), 64*1024, 128*1024); | 
|  |  | 
|  | if (rpcm) | 
|  | *rpcm = spdif; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  Mixer part | 
|  | */ | 
|  |  | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_control | 
|  |  | 
|  | Description: enable/disable S/PDIF out from ac97 mixer | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_control_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | 
|  | uinfo->count = 1; | 
|  | uinfo->value.integer.min = 0; | 
|  | uinfo->value.integer.max = 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned char val; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | val = trident->spdif_ctrl; | 
|  | ucontrol->value.integer.value[0] = val == kcontrol->private_value; | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned char val; | 
|  | int change; | 
|  |  | 
|  | val = ucontrol->value.integer.value[0] ? (unsigned char) kcontrol->private_value : 0x00; | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | /* S/PDIF C Channel bits 0-31 : 48khz, SCMS disabled */ | 
|  | change = trident->spdif_ctrl != val; | 
|  | trident->spdif_ctrl = val; | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0) { | 
|  | outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  | outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); | 
|  | } | 
|  | } else { | 
|  | if (trident->spdif == NULL) { | 
|  | unsigned int temp; | 
|  | outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  | temp = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & ~SPDIF_EN; | 
|  | if (val) | 
|  | temp |= SPDIF_EN; | 
|  | outl(temp, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | } | 
|  | } | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_spdif_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), | 
|  | .info =		snd_trident_spdif_control_info, | 
|  | .get =		snd_trident_spdif_control_get, | 
|  | .put =		snd_trident_spdif_control_put, | 
|  | .private_value = 0x28, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_default | 
|  |  | 
|  | Description: put/get the S/PDIF default settings | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_default_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | 
|  | uinfo->count = 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_default_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | ucontrol->value.iec958.status[0] = (trident->spdif_bits >> 0) & 0xff; | 
|  | ucontrol->value.iec958.status[1] = (trident->spdif_bits >> 8) & 0xff; | 
|  | ucontrol->value.iec958.status[2] = (trident->spdif_bits >> 16) & 0xff; | 
|  | ucontrol->value.iec958.status[3] = (trident->spdif_bits >> 24) & 0xff; | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_default_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned int val; | 
|  | int change; | 
|  |  | 
|  | val = (ucontrol->value.iec958.status[0] << 0) | | 
|  | (ucontrol->value.iec958.status[1] << 8) | | 
|  | (ucontrol->value.iec958.status[2] << 16) | | 
|  | (ucontrol->value.iec958.status[3] << 24); | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | change = trident->spdif_bits != val; | 
|  | trident->spdif_bits = val; | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | if ((inb(TRID_REG(trident, NX_SPCTRL_SPCSO + 3)) & 0x10) == 0) | 
|  | outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  | } else { | 
|  | if (trident->spdif == NULL) | 
|  | outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  | } | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_spdif_default __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_PCM, | 
|  | .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), | 
|  | .info =		snd_trident_spdif_default_info, | 
|  | .get =		snd_trident_spdif_default_get, | 
|  | .put =		snd_trident_spdif_default_put | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_mask | 
|  |  | 
|  | Description: put/get the S/PDIF mask | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_mask_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | 
|  | uinfo->count = 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_mask_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | ucontrol->value.iec958.status[0] = 0xff; | 
|  | ucontrol->value.iec958.status[1] = 0xff; | 
|  | ucontrol->value.iec958.status[2] = 0xff; | 
|  | ucontrol->value.iec958.status[3] = 0xff; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_spdif_mask __devinitdata = | 
|  | { | 
|  | .access =	SNDRV_CTL_ELEM_ACCESS_READ, | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_PCM, | 
|  | .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), | 
|  | .info =		snd_trident_spdif_mask_info, | 
|  | .get =		snd_trident_spdif_mask_get, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_spdif_stream | 
|  |  | 
|  | Description: put/get the S/PDIF stream settings | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_spdif_stream_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | 
|  | uinfo->count = 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_stream_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | ucontrol->value.iec958.status[0] = (trident->spdif_pcm_bits >> 0) & 0xff; | 
|  | ucontrol->value.iec958.status[1] = (trident->spdif_pcm_bits >> 8) & 0xff; | 
|  | ucontrol->value.iec958.status[2] = (trident->spdif_pcm_bits >> 16) & 0xff; | 
|  | ucontrol->value.iec958.status[3] = (trident->spdif_pcm_bits >> 24) & 0xff; | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_spdif_stream_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned int val; | 
|  | int change; | 
|  |  | 
|  | val = (ucontrol->value.iec958.status[0] << 0) | | 
|  | (ucontrol->value.iec958.status[1] << 8) | | 
|  | (ucontrol->value.iec958.status[2] << 16) | | 
|  | (ucontrol->value.iec958.status[3] << 24); | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | change = trident->spdif_pcm_bits != val; | 
|  | trident->spdif_pcm_bits = val; | 
|  | if (trident->spdif != NULL) { | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  | } else { | 
|  | outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  | } | 
|  | } | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_spdif_stream __devinitdata = | 
|  | { | 
|  | .access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_PCM, | 
|  | .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM), | 
|  | .info =		snd_trident_spdif_stream_info, | 
|  | .get =		snd_trident_spdif_stream_get, | 
|  | .put =		snd_trident_spdif_stream_put | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_ac97_control | 
|  |  | 
|  | Description: enable/disable rear path for ac97 | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_ac97_control_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | 
|  | uinfo->count = 1; | 
|  | uinfo->value.integer.min = 0; | 
|  | uinfo->value.integer.max = 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_ac97_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned char val; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); | 
|  | ucontrol->value.integer.value[0] = (val & (1 << kcontrol->private_value)) ? 1 : 0; | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_ac97_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned char val; | 
|  | int change = 0; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | val = trident->ac97_ctrl = inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); | 
|  | val &= ~(1 << kcontrol->private_value); | 
|  | if (ucontrol->value.integer.value[0]) | 
|  | val |= 1 << kcontrol->private_value; | 
|  | change = val != trident->ac97_ctrl; | 
|  | trident->ac97_ctrl = val; | 
|  | outl(trident->ac97_ctrl = val, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_ac97_rear_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "Rear Path", | 
|  | .info =		snd_trident_ac97_control_info, | 
|  | .get =		snd_trident_ac97_control_get, | 
|  | .put =		snd_trident_ac97_control_put, | 
|  | .private_value = 4, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_vol_control | 
|  |  | 
|  | Description: wave & music volume control | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_vol_control_info(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 = 255; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_vol_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned int val; | 
|  |  | 
|  | val = trident->musicvol_wavevol; | 
|  | ucontrol->value.integer.value[0] = 255 - ((val >> kcontrol->private_value) & 0xff); | 
|  | ucontrol->value.integer.value[1] = 255 - ((val >> (kcontrol->private_value + 8)) & 0xff); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const DECLARE_TLV_DB_SCALE(db_scale_gvol, -6375, 25, 0); | 
|  |  | 
|  | static int snd_trident_vol_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | unsigned int val; | 
|  | int change = 0; | 
|  |  | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | val = trident->musicvol_wavevol; | 
|  | val &= ~(0xffff << kcontrol->private_value); | 
|  | val |= ((255 - (ucontrol->value.integer.value[0] & 0xff)) | | 
|  | ((255 - (ucontrol->value.integer.value[1] & 0xff)) << 8)) << kcontrol->private_value; | 
|  | change = val != trident->musicvol_wavevol; | 
|  | outl(trident->musicvol_wavevol = val, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_vol_music_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "Music Playback Volume", | 
|  | .info =		snd_trident_vol_control_info, | 
|  | .get =		snd_trident_vol_control_get, | 
|  | .put =		snd_trident_vol_control_put, | 
|  | .private_value = 16, | 
|  | .tlv = { .p = db_scale_gvol }, | 
|  | }; | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_vol_wave_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "Wave Playback Volume", | 
|  | .info =		snd_trident_vol_control_info, | 
|  | .get =		snd_trident_vol_control_get, | 
|  | .put =		snd_trident_vol_control_put, | 
|  | .private_value = 0, | 
|  | .tlv = { .p = db_scale_gvol }, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_pcm_vol_control | 
|  |  | 
|  | Description: PCM front volume control | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_pcm_vol_control_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  |  | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
|  | uinfo->count = 1; | 
|  | uinfo->value.integer.min = 0; | 
|  | uinfo->value.integer.max = 255; | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) | 
|  | uinfo->value.integer.max = 1023; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_vol_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  |  | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | ucontrol->value.integer.value[0] = 1023 - mix->vol; | 
|  | } else { | 
|  | ucontrol->value.integer.value[0] = 255 - (mix->vol>>2); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_vol_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  | unsigned int val; | 
|  | int change = 0; | 
|  |  | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | val = 1023 - (ucontrol->value.integer.value[0] & 1023); | 
|  | } else { | 
|  | val = (255 - (ucontrol->value.integer.value[0] & 255)) << 2; | 
|  | } | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | change = val != mix->vol; | 
|  | mix->vol = val; | 
|  | if (mix->voice != NULL) | 
|  | snd_trident_write_vol_reg(trident, mix->voice, val); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_pcm_vol_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "PCM Front Playback Volume", | 
|  | .access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, | 
|  | .count =	32, | 
|  | .info =		snd_trident_pcm_vol_control_info, | 
|  | .get =		snd_trident_pcm_vol_control_get, | 
|  | .put =		snd_trident_pcm_vol_control_put, | 
|  | /* FIXME: no tlv yet */ | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_pcm_pan_control | 
|  |  | 
|  | Description: PCM front pan control | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_pcm_pan_control_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
|  | uinfo->count = 1; | 
|  | uinfo->value.integer.min = 0; | 
|  | uinfo->value.integer.max = 127; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_pan_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  |  | 
|  | ucontrol->value.integer.value[0] = mix->pan; | 
|  | if (ucontrol->value.integer.value[0] & 0x40) { | 
|  | ucontrol->value.integer.value[0] = (0x3f - (ucontrol->value.integer.value[0] & 0x3f)); | 
|  | } else { | 
|  | ucontrol->value.integer.value[0] |= 0x40; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_pan_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  | unsigned char val; | 
|  | int change = 0; | 
|  |  | 
|  | if (ucontrol->value.integer.value[0] & 0x40) | 
|  | val = ucontrol->value.integer.value[0] & 0x3f; | 
|  | else | 
|  | val = (0x3f - (ucontrol->value.integer.value[0] & 0x3f)) | 0x40; | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | change = val != mix->pan; | 
|  | mix->pan = val; | 
|  | if (mix->voice != NULL) | 
|  | snd_trident_write_pan_reg(trident, mix->voice, val); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_pcm_pan_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "PCM Pan Playback Control", | 
|  | .access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, | 
|  | .count =	32, | 
|  | .info =		snd_trident_pcm_pan_control_info, | 
|  | .get =		snd_trident_pcm_pan_control_get, | 
|  | .put =		snd_trident_pcm_pan_control_put, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_pcm_rvol_control | 
|  |  | 
|  | Description: PCM reverb volume control | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_pcm_rvol_control_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
|  | uinfo->count = 1; | 
|  | uinfo->value.integer.min = 0; | 
|  | uinfo->value.integer.max = 127; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_rvol_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  |  | 
|  | ucontrol->value.integer.value[0] = 127 - mix->rvol; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_rvol_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  | unsigned short val; | 
|  | int change = 0; | 
|  |  | 
|  | val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f); | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | change = val != mix->rvol; | 
|  | mix->rvol = val; | 
|  | if (mix->voice != NULL) | 
|  | snd_trident_write_rvol_reg(trident, mix->voice, val); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static const DECLARE_TLV_DB_SCALE(db_scale_crvol, -3175, 25, 1); | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_pcm_rvol_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "PCM Reverb Playback Volume", | 
|  | .access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, | 
|  | .count = 	32, | 
|  | .info =		snd_trident_pcm_rvol_control_info, | 
|  | .get =		snd_trident_pcm_rvol_control_get, | 
|  | .put =		snd_trident_pcm_rvol_control_put, | 
|  | .tlv = { .p = db_scale_crvol }, | 
|  | }; | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_pcm_cvol_control | 
|  |  | 
|  | Description: PCM chorus volume control | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_pcm_cvol_control_info(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_info *uinfo) | 
|  | { | 
|  | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
|  | uinfo->count = 1; | 
|  | uinfo->value.integer.min = 0; | 
|  | uinfo->value.integer.max = 127; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_cvol_control_get(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  |  | 
|  | ucontrol->value.integer.value[0] = 127 - mix->cvol; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_cvol_control_put(struct snd_kcontrol *kcontrol, | 
|  | struct snd_ctl_elem_value *ucontrol) | 
|  | { | 
|  | struct snd_trident *trident = snd_kcontrol_chip(kcontrol); | 
|  | struct snd_trident_pcm_mixer *mix = &trident->pcm_mixer[snd_ctl_get_ioffnum(kcontrol, &ucontrol->id)]; | 
|  | unsigned short val; | 
|  | int change = 0; | 
|  |  | 
|  | val = 0x7f - (ucontrol->value.integer.value[0] & 0x7f); | 
|  | spin_lock_irq(&trident->reg_lock); | 
|  | change = val != mix->cvol; | 
|  | mix->cvol = val; | 
|  | if (mix->voice != NULL) | 
|  | snd_trident_write_cvol_reg(trident, mix->voice, val); | 
|  | spin_unlock_irq(&trident->reg_lock); | 
|  | return change; | 
|  | } | 
|  |  | 
|  | static struct snd_kcontrol_new snd_trident_pcm_cvol_control __devinitdata = | 
|  | { | 
|  | .iface =	SNDRV_CTL_ELEM_IFACE_MIXER, | 
|  | .name =         "PCM Chorus Playback Volume", | 
|  | .access =	SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE, | 
|  | .count =	32, | 
|  | .info =		snd_trident_pcm_cvol_control_info, | 
|  | .get =		snd_trident_pcm_cvol_control_get, | 
|  | .put =		snd_trident_pcm_cvol_control_put, | 
|  | .tlv = { .p = db_scale_crvol }, | 
|  | }; | 
|  |  | 
|  | static void snd_trident_notify_pcm_change1(struct snd_card *card, | 
|  | struct snd_kcontrol *kctl, | 
|  | int num, int activate) | 
|  | { | 
|  | struct snd_ctl_elem_id id; | 
|  |  | 
|  | if (! kctl) | 
|  | return; | 
|  | if (activate) | 
|  | kctl->vd[num].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; | 
|  | else | 
|  | kctl->vd[num].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; | 
|  | snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE | | 
|  | SNDRV_CTL_EVENT_MASK_INFO, | 
|  | snd_ctl_build_ioff(&id, kctl, num)); | 
|  | } | 
|  |  | 
|  | static void snd_trident_notify_pcm_change(struct snd_trident *trident, | 
|  | struct snd_trident_pcm_mixer *tmix, | 
|  | int num, int activate) | 
|  | { | 
|  | snd_trident_notify_pcm_change1(trident->card, trident->ctl_vol, num, activate); | 
|  | snd_trident_notify_pcm_change1(trident->card, trident->ctl_pan, num, activate); | 
|  | snd_trident_notify_pcm_change1(trident->card, trident->ctl_rvol, num, activate); | 
|  | snd_trident_notify_pcm_change1(trident->card, trident->ctl_cvol, num, activate); | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_mixer_build(struct snd_trident *trident, | 
|  | struct snd_trident_voice *voice, | 
|  | struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident_pcm_mixer *tmix; | 
|  |  | 
|  | snd_assert(trident != NULL && voice != NULL && substream != NULL, return -EINVAL); | 
|  | tmix = &trident->pcm_mixer[substream->number]; | 
|  | tmix->voice = voice; | 
|  | tmix->vol = T4D_DEFAULT_PCM_VOL; | 
|  | tmix->pan = T4D_DEFAULT_PCM_PAN; | 
|  | tmix->rvol = T4D_DEFAULT_PCM_RVOL; | 
|  | tmix->cvol = T4D_DEFAULT_PCM_CVOL; | 
|  | snd_trident_notify_pcm_change(trident, tmix, substream->number, 1); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_pcm_mixer_free(struct snd_trident *trident, struct snd_trident_voice *voice, struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct snd_trident_pcm_mixer *tmix; | 
|  |  | 
|  | snd_assert(trident != NULL && substream != NULL, return -EINVAL); | 
|  | tmix = &trident->pcm_mixer[substream->number]; | 
|  | tmix->voice = NULL; | 
|  | snd_trident_notify_pcm_change(trident, tmix, substream->number, 0); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_mixer | 
|  |  | 
|  | Description: This routine registers the 4DWave device for mixer support. | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Returns:     None | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int __devinit snd_trident_mixer(struct snd_trident * trident, int pcm_spdif_device) | 
|  | { | 
|  | struct snd_ac97_template _ac97; | 
|  | struct snd_card *card = trident->card; | 
|  | struct snd_kcontrol *kctl; | 
|  | struct snd_ctl_elem_value *uctl; | 
|  | int idx, err, retries = 2; | 
|  | static struct snd_ac97_bus_ops ops = { | 
|  | .write = snd_trident_codec_write, | 
|  | .read = snd_trident_codec_read, | 
|  | }; | 
|  |  | 
|  | uctl = kzalloc(sizeof(*uctl), GFP_KERNEL); | 
|  | if (!uctl) | 
|  | return -ENOMEM; | 
|  |  | 
|  | if ((err = snd_ac97_bus(trident->card, 0, &ops, NULL, &trident->ac97_bus)) < 0) | 
|  | goto __out; | 
|  |  | 
|  | memset(&_ac97, 0, sizeof(_ac97)); | 
|  | _ac97.private_data = trident; | 
|  | trident->ac97_detect = 1; | 
|  |  | 
|  | __again: | 
|  | if ((err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97)) < 0) { | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | if ((err = snd_trident_sis_reset(trident)) < 0) | 
|  | goto __out; | 
|  | if (retries-- > 0) | 
|  | goto __again; | 
|  | err = -EIO; | 
|  | } | 
|  | goto __out; | 
|  | } | 
|  |  | 
|  | /* secondary codec? */ | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018 && | 
|  | (inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0) { | 
|  | _ac97.num = 1; | 
|  | err = snd_ac97_mixer(trident->ac97_bus, &_ac97, &trident->ac97_sec); | 
|  | if (err < 0) | 
|  | snd_printk(KERN_ERR "SI7018: the secondary codec - invalid access\n"); | 
|  | #if 0	// only for my testing purpose --jk | 
|  | { | 
|  | struct snd_ac97 *mc97; | 
|  | err = snd_ac97_modem(trident->card, &_ac97, &mc97); | 
|  | if (err < 0) | 
|  | snd_printk(KERN_ERR "snd_ac97_modem returned error %i\n", err); | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | trident->ac97_detect = 0; | 
|  |  | 
|  | if (trident->device != TRIDENT_DEVICE_ID_SI7018) { | 
|  | if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_wave_control, trident))) < 0) | 
|  | goto __out; | 
|  | kctl->put(kctl, uctl); | 
|  | if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_vol_music_control, trident))) < 0) | 
|  | goto __out; | 
|  | kctl->put(kctl, uctl); | 
|  | outl(trident->musicvol_wavevol = 0x00000000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); | 
|  | } else { | 
|  | outl(trident->musicvol_wavevol = 0xffff0000, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); | 
|  | } | 
|  |  | 
|  | for (idx = 0; idx < 32; idx++) { | 
|  | struct snd_trident_pcm_mixer *tmix; | 
|  |  | 
|  | tmix = &trident->pcm_mixer[idx]; | 
|  | tmix->voice = NULL; | 
|  | } | 
|  | if ((trident->ctl_vol = snd_ctl_new1(&snd_trident_pcm_vol_control, trident)) == NULL) | 
|  | goto __nomem; | 
|  | if ((err = snd_ctl_add(card, trident->ctl_vol))) | 
|  | goto __out; | 
|  |  | 
|  | if ((trident->ctl_pan = snd_ctl_new1(&snd_trident_pcm_pan_control, trident)) == NULL) | 
|  | goto __nomem; | 
|  | if ((err = snd_ctl_add(card, trident->ctl_pan))) | 
|  | goto __out; | 
|  |  | 
|  | if ((trident->ctl_rvol = snd_ctl_new1(&snd_trident_pcm_rvol_control, trident)) == NULL) | 
|  | goto __nomem; | 
|  | if ((err = snd_ctl_add(card, trident->ctl_rvol))) | 
|  | goto __out; | 
|  |  | 
|  | if ((trident->ctl_cvol = snd_ctl_new1(&snd_trident_pcm_cvol_control, trident)) == NULL) | 
|  | goto __nomem; | 
|  | if ((err = snd_ctl_add(card, trident->ctl_cvol))) | 
|  | goto __out; | 
|  |  | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX) { | 
|  | if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_trident_ac97_rear_control, trident))) < 0) | 
|  | goto __out; | 
|  | kctl->put(kctl, uctl); | 
|  | } | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  |  | 
|  | kctl = snd_ctl_new1(&snd_trident_spdif_control, trident); | 
|  | if (kctl == NULL) { | 
|  | err = -ENOMEM; | 
|  | goto __out; | 
|  | } | 
|  | if (trident->ac97->ext_id & AC97_EI_SPDIF) | 
|  | kctl->id.index++; | 
|  | if (trident->ac97_sec && (trident->ac97_sec->ext_id & AC97_EI_SPDIF)) | 
|  | kctl->id.index++; | 
|  | idx = kctl->id.index; | 
|  | if ((err = snd_ctl_add(card, kctl)) < 0) | 
|  | goto __out; | 
|  | kctl->put(kctl, uctl); | 
|  |  | 
|  | kctl = snd_ctl_new1(&snd_trident_spdif_default, trident); | 
|  | if (kctl == NULL) { | 
|  | err = -ENOMEM; | 
|  | goto __out; | 
|  | } | 
|  | kctl->id.index = idx; | 
|  | kctl->id.device = pcm_spdif_device; | 
|  | if ((err = snd_ctl_add(card, kctl)) < 0) | 
|  | goto __out; | 
|  |  | 
|  | kctl = snd_ctl_new1(&snd_trident_spdif_mask, trident); | 
|  | if (kctl == NULL) { | 
|  | err = -ENOMEM; | 
|  | goto __out; | 
|  | } | 
|  | kctl->id.index = idx; | 
|  | kctl->id.device = pcm_spdif_device; | 
|  | if ((err = snd_ctl_add(card, kctl)) < 0) | 
|  | goto __out; | 
|  |  | 
|  | kctl = snd_ctl_new1(&snd_trident_spdif_stream, trident); | 
|  | if (kctl == NULL) { | 
|  | err = -ENOMEM; | 
|  | goto __out; | 
|  | } | 
|  | kctl->id.index = idx; | 
|  | kctl->id.device = pcm_spdif_device; | 
|  | if ((err = snd_ctl_add(card, kctl)) < 0) | 
|  | goto __out; | 
|  | trident->spdif_pcm_ctl = kctl; | 
|  | } | 
|  |  | 
|  | err = 0; | 
|  | goto __out; | 
|  |  | 
|  | __nomem: | 
|  | err = -ENOMEM; | 
|  |  | 
|  | __out: | 
|  | kfree(uctl); | 
|  |  | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * gameport interface | 
|  | */ | 
|  |  | 
|  | #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) | 
|  |  | 
|  | static unsigned char snd_trident_gameport_read(struct gameport *gameport) | 
|  | { | 
|  | struct snd_trident *chip = gameport_get_port_data(gameport); | 
|  |  | 
|  | snd_assert(chip, return 0); | 
|  | return inb(TRID_REG(chip, GAMEPORT_LEGACY)); | 
|  | } | 
|  |  | 
|  | static void snd_trident_gameport_trigger(struct gameport *gameport) | 
|  | { | 
|  | struct snd_trident *chip = gameport_get_port_data(gameport); | 
|  |  | 
|  | snd_assert(chip, return); | 
|  | outb(0xff, TRID_REG(chip, GAMEPORT_LEGACY)); | 
|  | } | 
|  |  | 
|  | static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons) | 
|  | { | 
|  | struct snd_trident *chip = gameport_get_port_data(gameport); | 
|  | int i; | 
|  |  | 
|  | snd_assert(chip, return 0); | 
|  |  | 
|  | *buttons = (~inb(TRID_REG(chip, GAMEPORT_LEGACY)) >> 4) & 0xf; | 
|  |  | 
|  | for (i = 0; i < 4; i++) { | 
|  | axes[i] = inw(TRID_REG(chip, GAMEPORT_AXES + i * 2)); | 
|  | if (axes[i] == 0xffff) axes[i] = -1; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_trident_gameport_open(struct gameport *gameport, int mode) | 
|  | { | 
|  | struct snd_trident *chip = gameport_get_port_data(gameport); | 
|  |  | 
|  | snd_assert(chip, return 0); | 
|  |  | 
|  | switch (mode) { | 
|  | case GAMEPORT_MODE_COOKED: | 
|  | outb(GAMEPORT_MODE_ADC, TRID_REG(chip, GAMEPORT_GCR)); | 
|  | msleep(20); | 
|  | return 0; | 
|  | case GAMEPORT_MODE_RAW: | 
|  | outb(0, TRID_REG(chip, GAMEPORT_GCR)); | 
|  | return 0; | 
|  | default: | 
|  | return -1; | 
|  | } | 
|  | } | 
|  |  | 
|  | int __devinit snd_trident_create_gameport(struct snd_trident *chip) | 
|  | { | 
|  | struct gameport *gp; | 
|  |  | 
|  | chip->gameport = gp = gameport_allocate_port(); | 
|  | if (!gp) { | 
|  | printk(KERN_ERR "trident: cannot allocate memory for gameport\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  |  | 
|  | gameport_set_name(gp, "Trident 4DWave"); | 
|  | gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); | 
|  | gameport_set_dev_parent(gp, &chip->pci->dev); | 
|  |  | 
|  | gameport_set_port_data(gp, chip); | 
|  | gp->fuzz = 64; | 
|  | gp->read = snd_trident_gameport_read; | 
|  | gp->trigger = snd_trident_gameport_trigger; | 
|  | gp->cooked_read = snd_trident_gameport_cooked_read; | 
|  | gp->open = snd_trident_gameport_open; | 
|  |  | 
|  | gameport_register_port(gp); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static inline void snd_trident_free_gameport(struct snd_trident *chip) | 
|  | { | 
|  | if (chip->gameport) { | 
|  | gameport_unregister_port(chip->gameport); | 
|  | chip->gameport = NULL; | 
|  | } | 
|  | } | 
|  | #else | 
|  | int __devinit snd_trident_create_gameport(struct snd_trident *chip) { return -ENOSYS; } | 
|  | static inline void snd_trident_free_gameport(struct snd_trident *chip) { } | 
|  | #endif /* CONFIG_GAMEPORT */ | 
|  |  | 
|  | /* | 
|  | * delay for 1 tick | 
|  | */ | 
|  | static inline void do_delay(struct snd_trident *chip) | 
|  | { | 
|  | schedule_timeout_uninterruptible(1); | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  SiS reset routine | 
|  | */ | 
|  |  | 
|  | static int snd_trident_sis_reset(struct snd_trident *trident) | 
|  | { | 
|  | unsigned long end_time; | 
|  | unsigned int i; | 
|  | int r; | 
|  |  | 
|  | r = trident->in_suspend ? 0 : 2;	/* count of retries */ | 
|  | __si7018_retry: | 
|  | pci_write_config_byte(trident->pci, 0x46, 0x04);	/* SOFTWARE RESET */ | 
|  | udelay(100); | 
|  | pci_write_config_byte(trident->pci, 0x46, 0x00); | 
|  | udelay(100); | 
|  | /* disable AC97 GPIO interrupt */ | 
|  | outb(0x00, TRID_REG(trident, SI_AC97_GPIO)); | 
|  | /* initialize serial interface, force cold reset */ | 
|  | i = PCMOUT|SURROUT|CENTEROUT|LFEOUT|SECONDARY_ID|COLD_RESET; | 
|  | outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | udelay(1000); | 
|  | /* remove cold reset */ | 
|  | i &= ~COLD_RESET; | 
|  | outl(i, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | udelay(2000); | 
|  | /* wait, until the codec is ready */ | 
|  | end_time = (jiffies + (HZ * 3) / 4) + 1; | 
|  | do { | 
|  | if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_PRIMARY_READY) != 0) | 
|  | goto __si7018_ok; | 
|  | do_delay(trident); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | snd_printk(KERN_ERR "AC'97 codec ready error [0x%x]\n", inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL))); | 
|  | if (r-- > 0) { | 
|  | end_time = jiffies + HZ; | 
|  | do { | 
|  | do_delay(trident); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | goto __si7018_retry; | 
|  | } | 
|  | __si7018_ok: | 
|  | /* wait for the second codec */ | 
|  | do { | 
|  | if ((inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) & SI_AC97_SECONDARY_READY) != 0) | 
|  | break; | 
|  | do_delay(trident); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | /* enable 64 channel mode */ | 
|  | outl(BANK_B_EN, TRID_REG(trident, T4D_LFO_GC_CIR)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  /proc interface | 
|  | */ | 
|  |  | 
|  | static void snd_trident_proc_read(struct snd_info_entry *entry, | 
|  | struct snd_info_buffer *buffer) | 
|  | { | 
|  | struct snd_trident *trident = entry->private_data; | 
|  | char *s; | 
|  |  | 
|  | switch (trident->device) { | 
|  | case TRIDENT_DEVICE_ID_SI7018: | 
|  | s = "SiS 7018 Audio"; | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_DX: | 
|  | s = "Trident 4DWave PCI DX"; | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_NX: | 
|  | s = "Trident 4DWave PCI NX"; | 
|  | break; | 
|  | default: | 
|  | s = "???"; | 
|  | } | 
|  | snd_iprintf(buffer, "%s\n\n", s); | 
|  | snd_iprintf(buffer, "Spurious IRQs    : %d\n", trident->spurious_irq_count); | 
|  | snd_iprintf(buffer, "Spurious IRQ dlta: %d\n", trident->spurious_irq_max_delta); | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) | 
|  | snd_iprintf(buffer, "IEC958 Mixer Out : %s\n", trident->spdif_ctrl == 0x28 ? "on" : "off"); | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX) { | 
|  | snd_iprintf(buffer, "Rear Speakers    : %s\n", trident->ac97_ctrl & 0x00000010 ? "on" : "off"); | 
|  | if (trident->tlb.entries) { | 
|  | snd_iprintf(buffer,"\nVirtual Memory\n"); | 
|  | snd_iprintf(buffer, "Memory Maximum : %d\n", trident->tlb.memhdr->size); | 
|  | snd_iprintf(buffer, "Memory Used    : %d\n", trident->tlb.memhdr->used); | 
|  | snd_iprintf(buffer, "Memory Free    : %d\n", snd_util_mem_avail(trident->tlb.memhdr)); | 
|  | } | 
|  | } | 
|  | #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) | 
|  | snd_iprintf(buffer,"\nWavetable Synth\n"); | 
|  | snd_iprintf(buffer, "Memory Maximum : %d\n", trident->synth.max_size); | 
|  | snd_iprintf(buffer, "Memory Used    : %d\n", trident->synth.current_size); | 
|  | snd_iprintf(buffer, "Memory Free    : %d\n", (trident->synth.max_size-trident->synth.current_size)); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static void __devinit snd_trident_proc_init(struct snd_trident * trident) | 
|  | { | 
|  | struct snd_info_entry *entry; | 
|  | const char *s = "trident"; | 
|  |  | 
|  | if (trident->device == TRIDENT_DEVICE_ID_SI7018) | 
|  | s = "sis7018"; | 
|  | if (! snd_card_proc_new(trident->card, s, &entry)) | 
|  | snd_info_set_text_ops(entry, trident, snd_trident_proc_read); | 
|  | } | 
|  |  | 
|  | static int snd_trident_dev_free(struct snd_device *device) | 
|  | { | 
|  | struct snd_trident *trident = device->device_data; | 
|  | return snd_trident_free(trident); | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_tlb_alloc | 
|  |  | 
|  | Description: Allocate and set up the TLB page table on 4D NX. | 
|  | Each entry has 4 bytes (physical PCI address). | 
|  |  | 
|  | Paramters:   trident - pointer to target device class for 4DWave. | 
|  |  | 
|  | Returns:     0 or negative error code | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int __devinit snd_trident_tlb_alloc(struct snd_trident *trident) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | /* TLB array must be aligned to 16kB !!! so we allocate | 
|  | 32kB region and correct offset when necessary */ | 
|  |  | 
|  | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci), | 
|  | 2 * SNDRV_TRIDENT_MAX_PAGES * 4, &trident->tlb.buffer) < 0) { | 
|  | snd_printk(KERN_ERR "trident: unable to allocate TLB buffer\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  | trident->tlb.entries = (unsigned int*)ALIGN((unsigned long)trident->tlb.buffer.area, SNDRV_TRIDENT_MAX_PAGES * 4); | 
|  | trident->tlb.entries_dmaaddr = ALIGN(trident->tlb.buffer.addr, SNDRV_TRIDENT_MAX_PAGES * 4); | 
|  | /* allocate shadow TLB page table (virtual addresses) */ | 
|  | trident->tlb.shadow_entries = vmalloc(SNDRV_TRIDENT_MAX_PAGES*sizeof(unsigned long)); | 
|  | if (trident->tlb.shadow_entries == NULL) { | 
|  | snd_printk(KERN_ERR "trident: unable to allocate shadow TLB entries\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  | /* allocate and setup silent page and initialise TLB entries */ | 
|  | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(trident->pci), | 
|  | SNDRV_TRIDENT_PAGE_SIZE, &trident->tlb.silent_page) < 0) { | 
|  | snd_printk(KERN_ERR "trident: unable to allocate silent page\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  | memset(trident->tlb.silent_page.area, 0, SNDRV_TRIDENT_PAGE_SIZE); | 
|  | for (i = 0; i < SNDRV_TRIDENT_MAX_PAGES; i++) { | 
|  | trident->tlb.entries[i] = cpu_to_le32(trident->tlb.silent_page.addr & ~(SNDRV_TRIDENT_PAGE_SIZE-1)); | 
|  | trident->tlb.shadow_entries[i] = (unsigned long)trident->tlb.silent_page.area; | 
|  | } | 
|  |  | 
|  | /* use emu memory block manager code to manage tlb page allocation */ | 
|  | trident->tlb.memhdr = snd_util_memhdr_new(SNDRV_TRIDENT_PAGE_SIZE * SNDRV_TRIDENT_MAX_PAGES); | 
|  | if (trident->tlb.memhdr == NULL) | 
|  | return -ENOMEM; | 
|  |  | 
|  | trident->tlb.memhdr->block_extra_size = sizeof(struct snd_trident_memblk_arg); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * initialize 4D DX chip | 
|  | */ | 
|  |  | 
|  | static void snd_trident_stop_all_voices(struct snd_trident *trident) | 
|  | { | 
|  | outl(0xffffffff, TRID_REG(trident, T4D_STOP_A)); | 
|  | outl(0xffffffff, TRID_REG(trident, T4D_STOP_B)); | 
|  | outl(0, TRID_REG(trident, T4D_AINTEN_A)); | 
|  | outl(0, TRID_REG(trident, T4D_AINTEN_B)); | 
|  | } | 
|  |  | 
|  | static int snd_trident_4d_dx_init(struct snd_trident *trident) | 
|  | { | 
|  | struct pci_dev *pci = trident->pci; | 
|  | unsigned long end_time; | 
|  |  | 
|  | /* reset the legacy configuration and whole audio/wavetable block */ | 
|  | pci_write_config_dword(pci, 0x40, 0);	/* DDMA */ | 
|  | pci_write_config_byte(pci, 0x44, 0);	/* ports */ | 
|  | pci_write_config_byte(pci, 0x45, 0);	/* Legacy DMA */ | 
|  | pci_write_config_byte(pci, 0x46, 4); /* reset */ | 
|  | udelay(100); | 
|  | pci_write_config_byte(pci, 0x46, 0); /* release reset */ | 
|  | udelay(100); | 
|  |  | 
|  | /* warm reset of the AC'97 codec */ | 
|  | outl(0x00000001, TRID_REG(trident, DX_ACR2_AC97_COM_STAT)); | 
|  | udelay(100); | 
|  | outl(0x00000000, TRID_REG(trident, DX_ACR2_AC97_COM_STAT)); | 
|  | /* DAC on, disable SB IRQ and try to force ADC valid signal */ | 
|  | trident->ac97_ctrl = 0x0000004a; | 
|  | outl(trident->ac97_ctrl, TRID_REG(trident, DX_ACR2_AC97_COM_STAT)); | 
|  | /* wait, until the codec is ready */ | 
|  | end_time = (jiffies + (HZ * 3) / 4) + 1; | 
|  | do { | 
|  | if ((inl(TRID_REG(trident, DX_ACR2_AC97_COM_STAT)) & 0x0010) != 0) | 
|  | goto __dx_ok; | 
|  | do_delay(trident); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | snd_printk(KERN_ERR "AC'97 codec ready error\n"); | 
|  | return -EIO; | 
|  |  | 
|  | __dx_ok: | 
|  | snd_trident_stop_all_voices(trident); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * initialize 4D NX chip | 
|  | */ | 
|  | static int snd_trident_4d_nx_init(struct snd_trident *trident) | 
|  | { | 
|  | struct pci_dev *pci = trident->pci; | 
|  | unsigned long end_time; | 
|  |  | 
|  | /* reset the legacy configuration and whole audio/wavetable block */ | 
|  | pci_write_config_dword(pci, 0x40, 0);	/* DDMA */ | 
|  | pci_write_config_byte(pci, 0x44, 0);	/* ports */ | 
|  | pci_write_config_byte(pci, 0x45, 0);	/* Legacy DMA */ | 
|  |  | 
|  | pci_write_config_byte(pci, 0x46, 1); /* reset */ | 
|  | udelay(100); | 
|  | pci_write_config_byte(pci, 0x46, 0); /* release reset */ | 
|  | udelay(100); | 
|  |  | 
|  | /* warm reset of the AC'97 codec */ | 
|  | outl(0x00000001, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); | 
|  | udelay(100); | 
|  | outl(0x00000000, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); | 
|  | /* wait, until the codec is ready */ | 
|  | end_time = (jiffies + (HZ * 3) / 4) + 1; | 
|  | do { | 
|  | if ((inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT)) & 0x0008) != 0) | 
|  | goto __nx_ok; | 
|  | do_delay(trident); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | snd_printk(KERN_ERR "AC'97 codec ready error [0x%x]\n", inl(TRID_REG(trident, NX_ACR0_AC97_COM_STAT))); | 
|  | return -EIO; | 
|  |  | 
|  | __nx_ok: | 
|  | /* DAC on */ | 
|  | trident->ac97_ctrl = 0x00000002; | 
|  | outl(trident->ac97_ctrl, TRID_REG(trident, NX_ACR0_AC97_COM_STAT)); | 
|  | /* disable SB IRQ */ | 
|  | outl(NX_SB_IRQ_DISABLE, TRID_REG(trident, T4D_MISCINT)); | 
|  |  | 
|  | snd_trident_stop_all_voices(trident); | 
|  |  | 
|  | if (trident->tlb.entries != NULL) { | 
|  | unsigned int i; | 
|  | /* enable virtual addressing via TLB */ | 
|  | i = trident->tlb.entries_dmaaddr; | 
|  | i |= 0x00000001; | 
|  | outl(i, TRID_REG(trident, NX_TLBC)); | 
|  | } else { | 
|  | outl(0, TRID_REG(trident, NX_TLBC)); | 
|  | } | 
|  | /* initialize S/PDIF */ | 
|  | outl(trident->spdif_bits, TRID_REG(trident, NX_SPCSTATUS)); | 
|  | outb(trident->spdif_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * initialize sis7018 chip | 
|  | */ | 
|  | static int snd_trident_sis_init(struct snd_trident *trident) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | if ((err = snd_trident_sis_reset(trident)) < 0) | 
|  | return err; | 
|  |  | 
|  | snd_trident_stop_all_voices(trident); | 
|  |  | 
|  | /* initialize S/PDIF */ | 
|  | outl(trident->spdif_bits, TRID_REG(trident, SI_SPDIF_CS)); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_create | 
|  |  | 
|  | Description: This routine will create the device specific class for | 
|  | the 4DWave card. It will also perform basic initialization. | 
|  |  | 
|  | Paramters:   card  - which card to create | 
|  | pci   - interface to PCI bus resource info | 
|  | dma1ptr - playback dma buffer | 
|  | dma2ptr - capture dma buffer | 
|  | irqptr  -  interrupt resource info | 
|  |  | 
|  | Returns:     4DWave device class private data | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | int __devinit snd_trident_create(struct snd_card *card, | 
|  | struct pci_dev *pci, | 
|  | int pcm_streams, | 
|  | int pcm_spdif_device, | 
|  | int max_wavetable_size, | 
|  | struct snd_trident ** rtrident) | 
|  | { | 
|  | struct snd_trident *trident; | 
|  | int i, err; | 
|  | struct snd_trident_voice *voice; | 
|  | struct snd_trident_pcm_mixer *tmix; | 
|  | static struct snd_device_ops ops = { | 
|  | .dev_free =	snd_trident_dev_free, | 
|  | }; | 
|  |  | 
|  | *rtrident = NULL; | 
|  |  | 
|  | /* enable PCI device */ | 
|  | if ((err = pci_enable_device(pci)) < 0) | 
|  | return err; | 
|  | /* check, if we can restrict PCI DMA transfers to 30 bits */ | 
|  | if (pci_set_dma_mask(pci, DMA_30BIT_MASK) < 0 || | 
|  | pci_set_consistent_dma_mask(pci, DMA_30BIT_MASK) < 0) { | 
|  | snd_printk(KERN_ERR "architecture does not support 30bit PCI busmaster DMA\n"); | 
|  | pci_disable_device(pci); | 
|  | return -ENXIO; | 
|  | } | 
|  |  | 
|  | trident = kzalloc(sizeof(*trident), GFP_KERNEL); | 
|  | if (trident == NULL) { | 
|  | pci_disable_device(pci); | 
|  | return -ENOMEM; | 
|  | } | 
|  | trident->device = (pci->vendor << 16) | pci->device; | 
|  | trident->card = card; | 
|  | trident->pci = pci; | 
|  | spin_lock_init(&trident->reg_lock); | 
|  | spin_lock_init(&trident->event_lock); | 
|  | spin_lock_init(&trident->voice_alloc); | 
|  | if (pcm_streams < 1) | 
|  | pcm_streams = 1; | 
|  | if (pcm_streams > 32) | 
|  | pcm_streams = 32; | 
|  | trident->ChanPCM = pcm_streams; | 
|  | if (max_wavetable_size < 0 ) | 
|  | max_wavetable_size = 0; | 
|  | trident->synth.max_size = max_wavetable_size * 1024; | 
|  | trident->irq = -1; | 
|  |  | 
|  | trident->midi_port = TRID_REG(trident, T4D_MPU401_BASE); | 
|  | pci_set_master(pci); | 
|  |  | 
|  | if ((err = pci_request_regions(pci, "Trident Audio")) < 0) { | 
|  | kfree(trident); | 
|  | pci_disable_device(pci); | 
|  | return err; | 
|  | } | 
|  | trident->port = pci_resource_start(pci, 0); | 
|  |  | 
|  | if (request_irq(pci->irq, snd_trident_interrupt, IRQF_SHARED, | 
|  | "Trident Audio", trident)) { | 
|  | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); | 
|  | snd_trident_free(trident); | 
|  | return -EBUSY; | 
|  | } | 
|  | trident->irq = pci->irq; | 
|  |  | 
|  | /* allocate 16k-aligned TLB for NX cards */ | 
|  | trident->tlb.entries = NULL; | 
|  | trident->tlb.buffer.area = NULL; | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX) { | 
|  | if ((err = snd_trident_tlb_alloc(trident)) < 0) { | 
|  | snd_trident_free(trident); | 
|  | return err; | 
|  | } | 
|  | } | 
|  |  | 
|  | trident->spdif_bits = trident->spdif_pcm_bits = SNDRV_PCM_DEFAULT_CON_SPDIF; | 
|  |  | 
|  | /* initialize chip */ | 
|  | switch (trident->device) { | 
|  | case TRIDENT_DEVICE_ID_DX: | 
|  | err = snd_trident_4d_dx_init(trident); | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_NX: | 
|  | err = snd_trident_4d_nx_init(trident); | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_SI7018: | 
|  | err = snd_trident_sis_init(trident); | 
|  | break; | 
|  | default: | 
|  | snd_BUG(); | 
|  | break; | 
|  | } | 
|  | if (err < 0) { | 
|  | snd_trident_free(trident); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, trident, &ops)) < 0) { | 
|  | snd_trident_free(trident); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | if ((err = snd_trident_mixer(trident, pcm_spdif_device)) < 0) | 
|  | return err; | 
|  |  | 
|  | /* initialise synth voices */ | 
|  | for (i = 0; i < 64; i++) { | 
|  | voice = &trident->synth.voices[i]; | 
|  | voice->number = i; | 
|  | voice->trident = trident; | 
|  | } | 
|  | /* initialize pcm mixer entries */ | 
|  | for (i = 0; i < 32; i++) { | 
|  | tmix = &trident->pcm_mixer[i]; | 
|  | tmix->vol = T4D_DEFAULT_PCM_VOL; | 
|  | tmix->pan = T4D_DEFAULT_PCM_PAN; | 
|  | tmix->rvol = T4D_DEFAULT_PCM_RVOL; | 
|  | tmix->cvol = T4D_DEFAULT_PCM_CVOL; | 
|  | } | 
|  |  | 
|  | snd_trident_enable_eso(trident); | 
|  |  | 
|  | snd_trident_proc_init(trident); | 
|  | snd_card_set_dev(card, &pci->dev); | 
|  | *rtrident = trident; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_free | 
|  |  | 
|  | Description: This routine will free the device specific class for | 
|  | the 4DWave card. | 
|  |  | 
|  | Paramters:   trident  - device specific private data for 4DWave card | 
|  |  | 
|  | Returns:     None. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static int snd_trident_free(struct snd_trident *trident) | 
|  | { | 
|  | snd_trident_free_gameport(trident); | 
|  | snd_trident_disable_eso(trident); | 
|  | // Disable S/PDIF out | 
|  | if (trident->device == TRIDENT_DEVICE_ID_NX) | 
|  | outb(0x00, TRID_REG(trident, NX_SPCTRL_SPCSO + 3)); | 
|  | else if (trident->device == TRIDENT_DEVICE_ID_SI7018) { | 
|  | outl(0, TRID_REG(trident, SI_SERIAL_INTF_CTRL)); | 
|  | } | 
|  | if (trident->tlb.buffer.area) { | 
|  | outl(0, TRID_REG(trident, NX_TLBC)); | 
|  | if (trident->tlb.memhdr) | 
|  | snd_util_memhdr_free(trident->tlb.memhdr); | 
|  | if (trident->tlb.silent_page.area) | 
|  | snd_dma_free_pages(&trident->tlb.silent_page); | 
|  | vfree(trident->tlb.shadow_entries); | 
|  | snd_dma_free_pages(&trident->tlb.buffer); | 
|  | } | 
|  | if (trident->irq >= 0) | 
|  | free_irq(trident->irq, trident); | 
|  | pci_release_regions(trident->pci); | 
|  | pci_disable_device(trident->pci); | 
|  | kfree(trident); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_interrupt | 
|  |  | 
|  | Description: ISR for Trident 4DWave device | 
|  |  | 
|  | Paramters:   trident  - device specific private data for 4DWave card | 
|  |  | 
|  | Problems:    It seems that Trident chips generates interrupts more than | 
|  | one time in special cases. The spurious interrupts are | 
|  | detected via sample timer (T4D_STIMER) and computing | 
|  | corresponding delta value. The limits are detected with | 
|  | the method try & fail so it is possible that it won't | 
|  | work on all computers. [jaroslav] | 
|  |  | 
|  | Returns:     None. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  |  | 
|  | static irqreturn_t snd_trident_interrupt(int irq, void *dev_id) | 
|  | { | 
|  | struct snd_trident *trident = dev_id; | 
|  | unsigned int audio_int, chn_int, stimer, channel, mask, tmp; | 
|  | int delta; | 
|  | struct snd_trident_voice *voice; | 
|  |  | 
|  | audio_int = inl(TRID_REG(trident, T4D_MISCINT)); | 
|  | if ((audio_int & (ADDRESS_IRQ|MPU401_IRQ)) == 0) | 
|  | return IRQ_NONE; | 
|  | if (audio_int & ADDRESS_IRQ) { | 
|  | // get interrupt status for all channels | 
|  | spin_lock(&trident->reg_lock); | 
|  | stimer = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff; | 
|  | chn_int = inl(TRID_REG(trident, T4D_AINT_A)); | 
|  | if (chn_int == 0) | 
|  | goto __skip1; | 
|  | outl(chn_int, TRID_REG(trident, T4D_AINT_A));	/* ack */ | 
|  | __skip1: | 
|  | chn_int = inl(TRID_REG(trident, T4D_AINT_B)); | 
|  | if (chn_int == 0) | 
|  | goto __skip2; | 
|  | for (channel = 63; channel >= 32; channel--) { | 
|  | mask = 1 << (channel&0x1f); | 
|  | if ((chn_int & mask) == 0) | 
|  | continue; | 
|  | voice = &trident->synth.voices[channel]; | 
|  | if (!voice->pcm || voice->substream == NULL) { | 
|  | outl(mask, TRID_REG(trident, T4D_STOP_B)); | 
|  | continue; | 
|  | } | 
|  | delta = (int)stimer - (int)voice->stimer; | 
|  | if (delta < 0) | 
|  | delta = -delta; | 
|  | if ((unsigned int)delta < voice->spurious_threshold) { | 
|  | /* do some statistics here */ | 
|  | trident->spurious_irq_count++; | 
|  | if (trident->spurious_irq_max_delta < (unsigned int)delta) | 
|  | trident->spurious_irq_max_delta = delta; | 
|  | continue; | 
|  | } | 
|  | voice->stimer = stimer; | 
|  | if (voice->isync) { | 
|  | if (!voice->isync3) { | 
|  | tmp = inw(TRID_REG(trident, T4D_SBBL_SBCL)); | 
|  | if (trident->bDMAStart & 0x40) | 
|  | tmp >>= 1; | 
|  | if (tmp > 0) | 
|  | tmp = voice->isync_max - tmp; | 
|  | } else { | 
|  | tmp = inl(TRID_REG(trident, NX_SPCTRL_SPCSO)) & 0x00ffffff; | 
|  | } | 
|  | if (tmp < voice->isync_mark) { | 
|  | if (tmp > 0x10) | 
|  | tmp = voice->isync_ESO - 7; | 
|  | else | 
|  | tmp = voice->isync_ESO + 2; | 
|  | /* update ESO for IRQ voice to preserve sync */ | 
|  | snd_trident_stop_voice(trident, voice->number); | 
|  | snd_trident_write_eso_reg(trident, voice, tmp); | 
|  | snd_trident_start_voice(trident, voice->number); | 
|  | } | 
|  | } else if (voice->isync2) { | 
|  | voice->isync2 = 0; | 
|  | /* write original ESO and update CSO for IRQ voice to preserve sync */ | 
|  | snd_trident_stop_voice(trident, voice->number); | 
|  | snd_trident_write_cso_reg(trident, voice, voice->isync_mark); | 
|  | snd_trident_write_eso_reg(trident, voice, voice->ESO); | 
|  | snd_trident_start_voice(trident, voice->number); | 
|  | } | 
|  | #if 0 | 
|  | if (voice->extra) { | 
|  | /* update CSO for extra voice to preserve sync */ | 
|  | snd_trident_stop_voice(trident, voice->extra->number); | 
|  | snd_trident_write_cso_reg(trident, voice->extra, 0); | 
|  | snd_trident_start_voice(trident, voice->extra->number); | 
|  | } | 
|  | #endif | 
|  | spin_unlock(&trident->reg_lock); | 
|  | snd_pcm_period_elapsed(voice->substream); | 
|  | spin_lock(&trident->reg_lock); | 
|  | } | 
|  | outl(chn_int, TRID_REG(trident, T4D_AINT_B));	/* ack */ | 
|  | __skip2: | 
|  | spin_unlock(&trident->reg_lock); | 
|  | } | 
|  | if (audio_int & MPU401_IRQ) { | 
|  | if (trident->rmidi) { | 
|  | snd_mpu401_uart_interrupt(irq, trident->rmidi->private_data); | 
|  | } else { | 
|  | inb(TRID_REG(trident, T4D_MPUR0)); | 
|  | } | 
|  | } | 
|  | // outl((ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), TRID_REG(trident, T4D_MISCINT)); | 
|  | return IRQ_HANDLED; | 
|  | } | 
|  |  | 
|  | /*--------------------------------------------------------------------------- | 
|  | snd_trident_attach_synthesizer | 
|  |  | 
|  | Description: Attach synthesizer hooks | 
|  |  | 
|  | Paramters:   trident  - device specific private data for 4DWave card | 
|  |  | 
|  | Returns:     None. | 
|  |  | 
|  | ---------------------------------------------------------------------------*/ | 
|  | int snd_trident_attach_synthesizer(struct snd_trident *trident) | 
|  | { | 
|  | #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) | 
|  | if (snd_seq_device_new(trident->card, 1, SNDRV_SEQ_DEV_ID_TRIDENT, | 
|  | sizeof(struct snd_trident *), &trident->seq_dev) >= 0) { | 
|  | strcpy(trident->seq_dev->name, "4DWave"); | 
|  | *(struct snd_trident **)SNDRV_SEQ_DEVICE_ARGPTR(trident->seq_dev) = trident; | 
|  | } | 
|  | #endif | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | struct snd_trident_voice *snd_trident_alloc_voice(struct snd_trident * trident, int type, int client, int port) | 
|  | { | 
|  | struct snd_trident_voice *pvoice; | 
|  | unsigned long flags; | 
|  | int idx; | 
|  |  | 
|  | spin_lock_irqsave(&trident->voice_alloc, flags); | 
|  | if (type == SNDRV_TRIDENT_VOICE_TYPE_PCM) { | 
|  | idx = snd_trident_allocate_pcm_channel(trident); | 
|  | if(idx < 0) { | 
|  | spin_unlock_irqrestore(&trident->voice_alloc, flags); | 
|  | return NULL; | 
|  | } | 
|  | pvoice = &trident->synth.voices[idx]; | 
|  | pvoice->use = 1; | 
|  | pvoice->pcm = 1; | 
|  | pvoice->capture = 0; | 
|  | pvoice->spdif = 0; | 
|  | pvoice->memblk = NULL; | 
|  | pvoice->substream = NULL; | 
|  | spin_unlock_irqrestore(&trident->voice_alloc, flags); | 
|  | return pvoice; | 
|  | } | 
|  | if (type == SNDRV_TRIDENT_VOICE_TYPE_SYNTH) { | 
|  | idx = snd_trident_allocate_synth_channel(trident); | 
|  | if(idx < 0) { | 
|  | spin_unlock_irqrestore(&trident->voice_alloc, flags); | 
|  | return NULL; | 
|  | } | 
|  | pvoice = &trident->synth.voices[idx]; | 
|  | pvoice->use = 1; | 
|  | pvoice->synth = 1; | 
|  | pvoice->client = client; | 
|  | pvoice->port = port; | 
|  | pvoice->memblk = NULL; | 
|  | spin_unlock_irqrestore(&trident->voice_alloc, flags); | 
|  | return pvoice; | 
|  | } | 
|  | if (type == SNDRV_TRIDENT_VOICE_TYPE_MIDI) { | 
|  | } | 
|  | spin_unlock_irqrestore(&trident->voice_alloc, flags); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | EXPORT_SYMBOL(snd_trident_alloc_voice); | 
|  |  | 
|  | void snd_trident_free_voice(struct snd_trident * trident, struct snd_trident_voice *voice) | 
|  | { | 
|  | unsigned long flags; | 
|  | void (*private_free)(struct snd_trident_voice *); | 
|  | void *private_data; | 
|  |  | 
|  | if (voice == NULL || !voice->use) | 
|  | return; | 
|  | snd_trident_clear_voices(trident, voice->number, voice->number); | 
|  | spin_lock_irqsave(&trident->voice_alloc, flags); | 
|  | private_free = voice->private_free; | 
|  | private_data = voice->private_data; | 
|  | voice->private_free = NULL; | 
|  | voice->private_data = NULL; | 
|  | if (voice->pcm) | 
|  | snd_trident_free_pcm_channel(trident, voice->number); | 
|  | if (voice->synth) | 
|  | snd_trident_free_synth_channel(trident, voice->number); | 
|  | voice->use = voice->pcm = voice->synth = voice->midi = 0; | 
|  | voice->capture = voice->spdif = 0; | 
|  | voice->sample_ops = NULL; | 
|  | voice->substream = NULL; | 
|  | voice->extra = NULL; | 
|  | spin_unlock_irqrestore(&trident->voice_alloc, flags); | 
|  | if (private_free) | 
|  | private_free(voice); | 
|  | } | 
|  |  | 
|  | EXPORT_SYMBOL(snd_trident_free_voice); | 
|  |  | 
|  | static void snd_trident_clear_voices(struct snd_trident * trident, unsigned short v_min, unsigned short v_max) | 
|  | { | 
|  | unsigned int i, val, mask[2] = { 0, 0 }; | 
|  |  | 
|  | snd_assert(v_min <= 63, return); | 
|  | snd_assert(v_max <= 63, return); | 
|  | for (i = v_min; i <= v_max; i++) | 
|  | mask[i >> 5] |= 1 << (i & 0x1f); | 
|  | if (mask[0]) { | 
|  | outl(mask[0], TRID_REG(trident, T4D_STOP_A)); | 
|  | val = inl(TRID_REG(trident, T4D_AINTEN_A)); | 
|  | outl(val & ~mask[0], TRID_REG(trident, T4D_AINTEN_A)); | 
|  | } | 
|  | if (mask[1]) { | 
|  | outl(mask[1], TRID_REG(trident, T4D_STOP_B)); | 
|  | val = inl(TRID_REG(trident, T4D_AINTEN_B)); | 
|  | outl(val & ~mask[1], TRID_REG(trident, T4D_AINTEN_B)); | 
|  | } | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | int snd_trident_suspend(struct pci_dev *pci, pm_message_t state) | 
|  | { | 
|  | struct snd_card *card = pci_get_drvdata(pci); | 
|  | struct snd_trident *trident = card->private_data; | 
|  |  | 
|  | trident->in_suspend = 1; | 
|  | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | 
|  | snd_pcm_suspend_all(trident->pcm); | 
|  | snd_pcm_suspend_all(trident->foldback); | 
|  | snd_pcm_suspend_all(trident->spdif); | 
|  |  | 
|  | snd_ac97_suspend(trident->ac97); | 
|  | snd_ac97_suspend(trident->ac97_sec); | 
|  |  | 
|  | pci_disable_device(pci); | 
|  | pci_save_state(pci); | 
|  | pci_set_power_state(pci, pci_choose_state(pci, state)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int snd_trident_resume(struct pci_dev *pci) | 
|  | { | 
|  | struct snd_card *card = pci_get_drvdata(pci); | 
|  | struct snd_trident *trident = card->private_data; | 
|  |  | 
|  | pci_set_power_state(pci, PCI_D0); | 
|  | pci_restore_state(pci); | 
|  | if (pci_enable_device(pci) < 0) { | 
|  | printk(KERN_ERR "trident: pci_enable_device failed, " | 
|  | "disabling device\n"); | 
|  | snd_card_disconnect(card); | 
|  | return -EIO; | 
|  | } | 
|  | pci_set_master(pci); | 
|  |  | 
|  | switch (trident->device) { | 
|  | case TRIDENT_DEVICE_ID_DX: | 
|  | snd_trident_4d_dx_init(trident); | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_NX: | 
|  | snd_trident_4d_nx_init(trident); | 
|  | break; | 
|  | case TRIDENT_DEVICE_ID_SI7018: | 
|  | snd_trident_sis_init(trident); | 
|  | break; | 
|  | } | 
|  |  | 
|  | snd_ac97_resume(trident->ac97); | 
|  | snd_ac97_resume(trident->ac97_sec); | 
|  |  | 
|  | /* restore some registers */ | 
|  | outl(trident->musicvol_wavevol, TRID_REG(trident, T4D_MUSICVOL_WAVEVOL)); | 
|  |  | 
|  | snd_trident_enable_eso(trident); | 
|  |  | 
|  | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | 
|  | trident->in_suspend = 0; | 
|  | return 0; | 
|  | } | 
|  | #endif /* CONFIG_PM */ |