/* * Matt Wu * Apr 26, 2001 * Routines for control of ALi pci audio M5451 * * BUGS: * -- * * TODO: * -- * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public Lcodecnse as published by * the Free Software Foundation; either version 2 of the Lcodecnse, 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 Lcodecnse for more details. * * You should have received a copy of the GNU General Public Lcodecnse * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include MODULE_AUTHOR("Matt Wu "); MODULE_DESCRIPTION("ALI M5451"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); static int index = SNDRV_DEFAULT_IDX1; /* Index */ static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ static int pcm_channels = 32; static int spdif = 0; module_param(index, int, 0444); MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); module_param(id, charp, 0444); MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); module_param(pcm_channels, int, 0444); MODULE_PARM_DESC(pcm_channels, "PCM Channels"); module_param(spdif, bool, 0444); MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); /* just for backward compatibility */ static int enable; module_param(enable, bool, 0444); /* * Debug part definitions */ //#define ALI_DEBUG #ifdef ALI_DEBUG #define snd_ali_printk(format, args...) printk(format, ##args); #else #define snd_ali_printk(format, args...) #endif /* * Constants definition */ #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) #define ALI_CHANNELS 32 #define ALI_PCM_IN_CHANNEL 31 #define ALI_SPDIF_IN_CHANNEL 19 #define ALI_SPDIF_OUT_CHANNEL 15 #define ALI_CENTER_CHANNEL 24 #define ALI_LEF_CHANNEL 23 #define ALI_SURR_LEFT_CHANNEL 26 #define ALI_SURR_RIGHT_CHANNEL 25 #define ALI_MODEM_IN_CHANNEL 21 #define ALI_MODEM_OUT_CHANNEL 20 #define SNDRV_ALI_VOICE_TYPE_PCM 01 #define SNDRV_ALI_VOICE_TYPE_OTH 02 #define ALI_5451_V02 0x02 /* * Direct Registers */ #define ALI_LEGACY_DMAR0 0x00 // ADR0 #define ALI_LEGACY_DMAR4 0x04 // CNT0 #define ALI_LEGACY_DMAR11 0x0b // MOD #define ALI_LEGACY_DMAR15 0x0f // MMR #define ALI_MPUR0 0x20 #define ALI_MPUR1 0x21 #define ALI_MPUR2 0x22 #define ALI_MPUR3 0x23 #define ALI_AC97_WRITE 0x40 #define ALI_AC97_READ 0x44 #define ALI_SCTRL 0x48 #define ALI_SPDIF_OUT_ENABLE 0x20 #define ALI_SCTRL_LINE_IN2 (1 << 9) #define ALI_SCTRL_GPIO_IN2 (1 << 13) #define ALI_SCTRL_LINE_OUT_EN (1 << 20) #define ALI_SCTRL_GPIO_OUT_EN (1 << 23) #define ALI_SCTRL_CODEC1_READY (1 << 24) #define ALI_SCTRL_CODEC2_READY (1 << 25) #define ALI_AC97_GPIO 0x4c #define ALI_AC97_GPIO_ENABLE 0x8000 #define ALI_AC97_GPIO_DATA_SHIFT 16 #define ALI_SPDIF_CS 0x70 #define ALI_SPDIF_CTRL 0x74 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02 #define ALI_SPDIF_IN_CH_STATUS 0x40 #define ALI_SPDIF_OUT_CH_STATUS 0xbf #define ALI_START 0x80 #define ALI_STOP 0x84 #define ALI_CSPF 0x90 #define ALI_AINT 0x98 #define ALI_GC_CIR 0xa0 #define ENDLP_IE 0x00001000 #define MIDLP_IE 0x00002000 #define ALI_AINTEN 0xa4 #define ALI_VOLUME 0xa8 #define ALI_SBDELTA_DELTA_R 0xac #define ALI_MISCINT 0xb0 #define ADDRESS_IRQ 0x00000020 #define TARGET_REACHED 0x00008000 #define MIXER_OVERFLOW 0x00000800 #define MIXER_UNDERFLOW 0x00000400 #define GPIO_IRQ 0x01000000 #define ALI_SBBL_SBCL 0xc0 #define ALI_SBCTRL_SBE2R_SBDD 0xc4 #define ALI_STIMER 0xc8 #define ALI_GLOBAL_CONTROL 0xd4 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ #define ALI_CSO_ALPHA_FMS 0xe0 #define ALI_LBA 0xe4 #define ALI_ESO_DELTA 0xe8 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 #define ALI_EBUF1 0xf4 #define ALI_EBUF2 0xf8 #define ALI_REG(codec, x) ((codec)->port + x) #define MAX_CODECS 2 typedef struct snd_stru_ali ali_t; typedef struct snd_ali_stru_voice snd_ali_voice_t; typedef struct snd_ali_channel_control { // register data struct REGDATA { unsigned int start; unsigned int stop; unsigned int aint; unsigned int ainten; } data; // register addresses struct REGS { unsigned int start; unsigned int stop; unsigned int aint; unsigned int ainten; unsigned int ac97read; unsigned int ac97write; } regs; } snd_ali_channel_control_t; struct snd_ali_stru_voice { unsigned int number; unsigned int use: 1, pcm: 1, midi: 1, mode: 1, synth: 1; /* PCM data */ ali_t *codec; snd_pcm_substream_t *substream; snd_ali_voice_t *extra; unsigned int running: 1; int eso; /* final ESO value for channel */ int count; /* runtime->period_size */ /* --- */ void *private_data; void (*private_free)(void *private_data); }; typedef struct snd_stru_alidev { snd_ali_voice_t voices[ALI_CHANNELS]; unsigned int chcnt; /* num of opened channels */ unsigned int chmap; /* bitmap for opened channels */ unsigned int synthcount; } alidev_t; #ifdef CONFIG_PM #define ALI_GLOBAL_REGS 56 #define ALI_CHANNEL_REGS 8 typedef struct snd_ali_image { unsigned long regs[ALI_GLOBAL_REGS]; unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; } ali_image_t; #endif struct snd_stru_ali { unsigned long irq; unsigned long port; unsigned char revision; unsigned int hw_initialized: 1; unsigned int spdif_support: 1; struct pci_dev *pci; struct pci_dev *pci_m1533; struct pci_dev *pci_m7101; snd_card_t *card; snd_pcm_t *pcm[MAX_CODECS]; alidev_t synth; snd_ali_channel_control_t chregs; /* S/PDIF Mask */ unsigned int spdif_mask; unsigned int spurious_irq_count; unsigned int spurious_irq_max_delta; unsigned int num_of_codecs; ac97_bus_t *ac97_bus; ac97_t *ac97[MAX_CODECS]; unsigned short ac97_ext_id; unsigned short ac97_ext_status; spinlock_t reg_lock; spinlock_t voice_alloc; #ifdef CONFIG_PM ali_image_t *image; #endif }; static struct pci_device_id snd_ali_ids[] = { {0x10b9, 0x5451, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, {0, } }; MODULE_DEVICE_TABLE(pci, snd_ali_ids); static void snd_ali_clear_voices(ali_t *, unsigned int, unsigned int); static unsigned short snd_ali_codec_peek(ali_t *, int, unsigned short); static void snd_ali_codec_poke(ali_t *, int, unsigned short, unsigned short); /* * Debug Part */ #ifdef ALI_DEBUG static void ali_read_regs(ali_t *codec, int channel) { int i,j; unsigned int dwVal; printk("channel %d registers map:\n", channel); outb((unsigned char)(channel & 0x001f), ALI_REG(codec,ALI_GC_CIR)); printk(" "); for(j=0;j<8;j++) printk("%2.2x ", j*4); printk("\n"); for (i=0; i<=0xf8/4;i++) { if(i%8 == 0) printk("%2.2x ", (i*4/0x10)*0x10); dwVal = inl(ALI_REG(codec,i*4)); printk("%8.8x ", dwVal); if ((i+1)%8 == 0) printk("\n"); } printk("\n"); } static void ali_read_cfg(unsigned int vendor, unsigned deviceid) { unsigned int dwVal; struct pci_dev *pci_dev; int i,j; pci_dev = pci_get_device(vendor, deviceid, NULL); if (pci_dev == NULL) return ; printk("\nM%x PCI CFG\n", deviceid); printk(" "); for(j=0;j<8;j++) printk("%d ",j); printk("\n"); for(i=0;i<8;i++) { printk("%d ",i); for(j=0;j<8;j++) { pci_read_config_dword(pci_dev, i*0x20+j*4, &dwVal); printk("%8.8x ", dwVal); } printk("\n"); } pci_dev_put(pci_dev); } static void ali_read_ac97regs(ali_t *codec, int secondary) { unsigned short i,j; unsigned short wVal; printk("\ncodec %d registers map:\n", secondary); printk(" "); for(j=0;j<8;j++) printk("%2.2x ",j*2); printk("\n"); for (i=0; i<64;i++) { if(i%8 == 0) printk("%2.2x ", (i/8)*0x10); wVal = snd_ali_codec_peek(codec, secondary, i*2); printk("%4.4x ", wVal); if ((i+1)%8 == 0) printk("\n"); } printk("\n"); } #endif /* * AC97 ACCESS */ static inline unsigned int snd_ali_5451_peek(ali_t *codec, unsigned int port ) { return (unsigned int)inl(ALI_REG(codec, port)); } static inline void snd_ali_5451_poke( ali_t *codec, unsigned int port, unsigned int val ) { outl((unsigned int)val, ALI_REG(codec, port)); } static int snd_ali_codec_ready( ali_t *codec, unsigned int port, int sched ) { unsigned long end_time; unsigned int res; end_time = jiffies + 10 * msecs_to_jiffies(250); do { res = snd_ali_5451_peek(codec,port); if (! (res & 0x8000)) return 0; if (sched) { set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(1); } } while (time_after_eq(end_time, jiffies)); snd_ali_5451_poke(codec, port, res & ~0x8000); snd_printdd("ali_codec_ready: codec is not ready.\n "); return -EIO; } static int snd_ali_stimer_ready(ali_t *codec, int sched) { unsigned long end_time; unsigned long dwChk1,dwChk2; dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); end_time = jiffies + 10 * msecs_to_jiffies(250); do { dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); if (dwChk2 != dwChk1) return 0; if (sched) { set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(1); } } while (time_after_eq(end_time, jiffies)); snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n"); return -EIO; } static void snd_ali_codec_poke(ali_t *codec,int secondary, unsigned short reg, unsigned short val) { unsigned int dwVal = 0; unsigned int port = 0; if (reg >= 0x80) { snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg); return; } port = codec->chregs.regs.ac97write; if (snd_ali_codec_ready(codec, port, 0) < 0) return; if (snd_ali_stimer_ready(codec, 0) < 0) return; dwVal = (unsigned int) (reg & 0xff); dwVal |= 0x8000 | (val << 16); if (secondary) dwVal |= 0x0080; if (codec->revision == ALI_5451_V02) dwVal |= 0x0100; snd_ali_5451_poke(codec,port,dwVal); return ; } static unsigned short snd_ali_codec_peek( ali_t *codec, int secondary, unsigned short reg) { unsigned int dwVal = 0; unsigned int port = 0; if (reg >= 0x80) { snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg); return ~0; } port = codec->chregs.regs.ac97read; if (snd_ali_codec_ready(codec, port, 0) < 0) return ~0; if (snd_ali_stimer_ready(codec, 0) < 0) return ~0; dwVal = (unsigned int) (reg & 0xff); dwVal |= 0x8000; /* bit 15*/ if (secondary) dwVal |= 0x0080; snd_ali_5451_poke(codec, port, dwVal); if (snd_ali_stimer_ready(codec, 0) < 0) return ~0; if (snd_ali_codec_ready(codec, port, 0) < 0) return ~0; return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16; } static void snd_ali_codec_write(ac97_t *ac97, unsigned short reg, unsigned short val ) { ali_t *codec = ac97->private_data; snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val); if(reg == AC97_GPIO_STATUS) { outl((val << ALI_AC97_GPIO_DATA_SHIFT)|ALI_AC97_GPIO_ENABLE, ALI_REG(codec, ALI_AC97_GPIO)); return; } snd_ali_codec_poke(codec, ac97->num, reg, val); return ; } static unsigned short snd_ali_codec_read(ac97_t *ac97, unsigned short reg) { ali_t *codec = ac97->private_data; snd_ali_printk("codec_read reg=%xh.\n", reg); return (snd_ali_codec_peek(codec, ac97->num, reg)); } /* * AC97 Reset */ static int snd_ali_reset_5451(ali_t *codec) { struct pci_dev *pci_dev = NULL; unsigned short wCount, wReg; unsigned int dwVal; if ((pci_dev = codec->pci_m1533) != NULL) { pci_read_config_dword(pci_dev, 0x7c, &dwVal); pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); udelay(5000); pci_read_config_dword(pci_dev, 0x7c, &dwVal); pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); udelay(5000); } pci_dev = codec->pci; pci_read_config_dword(pci_dev, 0x44, &dwVal); pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); udelay(500); pci_read_config_dword(pci_dev, 0x44, &dwVal); pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); udelay(5000); wCount = 200; while(wCount--) { wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); if((wReg & 0x000f) == 0x000f) return 0; udelay(5000); } /* non-fatal if you have a non PM capable codec */ /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */ return 0; } #ifdef CODEC_RESET static int snd_ali_reset_codec(ali_t *codec) { struct pci_dev *pci_dev = NULL; unsigned char bVal = 0; unsigned int dwVal; unsigned short wCount, wReg; pci_dev = codec->pci_m1533; pci_read_config_dword(pci_dev, 0x7c, &dwVal); pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); udelay(5000); pci_read_config_dword(pci_dev, 0x7c, &dwVal); pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); udelay(5000); bVal = inb(ALI_REG(codec,ALI_SCTRL)); bVal |= 0x02; outb(ALI_REG(codec,ALI_SCTRL),bVal); udelay(5000); bVal = inb(ALI_REG(codec,ALI_SCTRL)); bVal &= 0xfd; outb(ALI_REG(codec,ALI_SCTRL),bVal); udelay(15000); wCount = 200; while(wCount--) { wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN); if((wReg & 0x000f) == 0x000f) return 0; udelay(5000); } return -1; } #endif /* * ALI 5451 Controller */ static void snd_ali_enable_special_channel(ali_t *codec, unsigned int channel) { unsigned long dwVal = 0; dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); dwVal |= 1 << (channel & 0x0000001f); outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); } static void snd_ali_disable_special_channel(ali_t *codec, unsigned int channel) { unsigned long dwVal = 0; dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); dwVal &= ~(1 << (channel & 0x0000001f)); outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); } static void snd_ali_enable_address_interrupt(ali_t * codec) { unsigned int gc; gc = inl(ALI_REG(codec, ALI_GC_CIR)); gc |= ENDLP_IE; gc |= MIDLP_IE; outl( gc, ALI_REG(codec, ALI_GC_CIR)); } static void snd_ali_disable_address_interrupt(ali_t * codec) { unsigned int gc; gc = inl(ALI_REG(codec, ALI_GC_CIR)); gc &= ~ENDLP_IE; gc &= ~MIDLP_IE; outl(gc, ALI_REG(codec, ALI_GC_CIR)); } #if 0 // not used static void snd_ali_enable_voice_irq(ali_t *codec, unsigned int channel) { unsigned int mask; snd_ali_channel_control_t *pchregs = &(codec->chregs); snd_ali_printk("enable_voice_irq channel=%d\n",channel); mask = 1 << (channel & 0x1f); pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); pchregs->data.ainten |= mask; outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); } #endif static void snd_ali_disable_voice_irq(ali_t *codec, unsigned int channel) { unsigned int mask; snd_ali_channel_control_t *pchregs = &(codec->chregs); snd_ali_printk("disable_voice_irq channel=%d\n",channel); mask = 1 << (channel & 0x1f); pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); pchregs->data.ainten &= ~mask; outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); } static int snd_ali_alloc_pcm_channel(ali_t *codec, int channel) { unsigned int idx = channel & 0x1f; if (codec->synth.chcnt >= ALI_CHANNELS){ snd_printk(KERN_ERR "ali_alloc_pcm_channel: no free channels.\n"); return -1; } if (!(codec->synth.chmap & (1 << idx))) { codec->synth.chmap |= 1 << idx; codec->synth.chcnt++; snd_ali_printk("alloc_pcm_channel no. %d.\n",idx); return idx; } return -1; } static int snd_ali_find_free_channel(ali_t * codec, int rec) { int idx; int result = -1; snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm"); // recording if (rec) { if (codec->spdif_support && (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT)) idx = ALI_SPDIF_IN_CHANNEL; else idx = ALI_PCM_IN_CHANNEL; if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { return result; } else { snd_printk(KERN_ERR "ali_find_free_channel: record channel is busy now.\n"); return -1; } } //playback... if (codec->spdif_support && (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) { idx = ALI_SPDIF_OUT_CHANNEL; if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { return result; } else { snd_printk(KERN_ERR "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); } } for (idx = 0; idx < ALI_CHANNELS; idx++) { if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) return result; } snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n"); return -1; } static void snd_ali_free_channel_pcm(ali_t *codec, int channel) { unsigned int idx = channel & 0x0000001f; snd_ali_printk("free_channel_pcm channel=%d\n",channel); if (channel < 0 || channel >= ALI_CHANNELS) return; if (!(codec->synth.chmap & (1 << idx))) { snd_printk(KERN_ERR "ali_free_channel_pcm: channel %d is not in use.\n",channel); return; } else { codec->synth.chmap &= ~(1 << idx); codec->synth.chcnt--; } } #if 0 // not used static void snd_ali_start_voice(ali_t * codec, unsigned int channel) { unsigned int mask = 1 << (channel & 0x1f); snd_ali_printk("start_voice: channel=%d\n",channel); outl(mask, ALI_REG(codec,codec->chregs.regs.start)); } #endif static void snd_ali_stop_voice(ali_t * codec, unsigned int channel) { unsigned int mask = 1 << (channel & 0x1f); snd_ali_printk("stop_voice: channel=%d\n",channel); outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); } /* * S/PDIF Part */ static void snd_ali_delay(ali_t *codec,int interval) { unsigned long begintimer,currenttimer; begintimer = inl(ALI_REG(codec, ALI_STIMER)); currenttimer = inl(ALI_REG(codec, ALI_STIMER)); while (currenttimer < begintimer + interval) { if(snd_ali_stimer_ready(codec, 1) < 0) break; currenttimer = inl(ALI_REG(codec, ALI_STIMER)); } } static void snd_ali_detect_spdif_rate(ali_t *codec) { u16 wval = 0; u16 count = 0; u8 bval = 0, R1 = 0, R2 = 0; bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); bval |= 0x1F; outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1)); while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) { count ++; snd_ali_delay(codec, 6); bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); R1 = bval & 0x1F; } if (count > 50000) { snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); return; } count = 0; while (count++ <= 50000) { snd_ali_delay(codec, 6); bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); R2 = bval & 0x1F; if (R2 != R1) R1 = R2; else break; } if (count > 50000) { snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); return; } if (R2 >= 0x0b && R2 <= 0x0e) { wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); wval &= 0xE0F0; wval |= (u16)0x09 << 8 | (u16)0x05; outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3)); } else if (R2 == 0x12) { wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); wval &= 0xE0F0; wval |= (u16)0x0E << 8 | (u16)0x08; outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3)); } } static unsigned int snd_ali_get_spdif_in_rate(ali_t *codec) { u32 dwRate = 0; u8 bval = 0; bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); bval &= 0x7F; bval |= 0x40; outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL)); snd_ali_detect_spdif_rate(codec); bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)); bval &= 0x0F; if (bval == 0) dwRate = 44100; if (bval == 1) dwRate = 48000; if (bval == 2) dwRate = 32000; return dwRate; } static void snd_ali_enable_spdif_in(ali_t *codec) { unsigned int dwVal; dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); dwVal |= ALI_SPDIF_IN_SUPPORT; outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); dwVal |= 0x02; outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); } static void snd_ali_disable_spdif_in(ali_t *codec) { unsigned int dwVal; dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); dwVal &= ~ALI_SPDIF_IN_SUPPORT; outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); } static void snd_ali_set_spdif_out_rate(ali_t *codec, unsigned int rate) { unsigned char bVal; unsigned int dwRate = 0; if (rate == 32000) dwRate = 0x300; if (rate == 44100) dwRate = 0; if (rate == 48000) dwRate = 0x200; bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); bVal &= (unsigned char)(~(1<<6)); bVal |= 0x80; //select right outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); bVal &= (~0x80); //select left outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); } static void snd_ali_enable_spdif_out(ali_t *codec) { unsigned short wVal; unsigned char bVal; struct pci_dev *pci_dev = NULL; pci_dev = codec->pci_m1533; if (pci_dev == NULL) return; pci_read_config_byte(pci_dev, 0x61, &bVal); bVal |= 0x40; pci_write_config_byte(pci_dev, 0x61, bVal); pci_read_config_byte(pci_dev, 0x7d, &bVal); bVal |= 0x01; pci_write_config_byte(pci_dev, 0x7d, bVal); pci_read_config_byte(pci_dev, 0x7e, &bVal); bVal &= (~0x20); bVal |= 0x10; pci_write_config_byte(pci_dev, 0x7e, bVal); bVal = inb(ALI_REG(codec, ALI_SCTRL)); outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); { wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); wVal |= ALI_SPDIF_OUT_SEL_PCM; outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); } } static void snd_ali_enable_spdif_chnout(ali_t *codec) { unsigned short wVal = 0; wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); wVal &= ~ALI_SPDIF_OUT_SEL_PCM; outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); /* wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); if (flag & ALI_SPDIF_OUT_NON_PCM) wVal |= 0x0002; else wVal &= (~0x0002); outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); */ snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); } static void snd_ali_disable_spdif_chnout(ali_t *codec) { unsigned short wVal = 0; wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); wVal |= ALI_SPDIF_OUT_SEL_PCM; outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); } static void snd_ali_disable_spdif_out(ali_t *codec) { unsigned char bVal; bVal = inb(ALI_REG(codec, ALI_SCTRL)); outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); snd_ali_disable_spdif_chnout(codec); } static void snd_ali_update_ptr(ali_t *codec,int channel) { snd_ali_voice_t *pvoice = NULL; snd_pcm_runtime_t *runtime; snd_ali_channel_control_t *pchregs = NULL; unsigned int old, mask; #ifdef ALI_DEBUG unsigned int temp, cspf; #endif pchregs = &(codec->chregs); // check if interrupt occurred for channel old = pchregs->data.aint; mask = ((unsigned int) 1L) << (channel & 0x1f); if (!(old & mask)) return; pvoice = &codec->synth.voices[channel]; runtime = pvoice->substream->runtime; udelay(100); spin_lock(&codec->reg_lock); if (pvoice->pcm && pvoice->substream) { /* pcm interrupt */ #ifdef ALI_DEBUG outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR)); temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask; #endif if (pvoice->running) { snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf); spin_unlock(&codec->reg_lock); snd_pcm_period_elapsed(pvoice->substream); spin_lock(&codec->reg_lock); } else { snd_ali_stop_voice(codec, channel); snd_ali_disable_voice_irq(codec, channel); } } else if (codec->synth.voices[channel].synth) { /* synth interrupt */ } else if (codec->synth.voices[channel].midi) { /* midi interrupt */ } else { /* unknown interrupt */ snd_ali_stop_voice(codec, channel); snd_ali_disable_voice_irq(codec, channel); } spin_unlock(&codec->reg_lock); outl(mask,ALI_REG(codec,pchregs->regs.aint)); pchregs->data.aint = old & (~mask); } static void snd_ali_interrupt(ali_t * codec) { int channel; unsigned int audio_int; snd_ali_channel_control_t *pchregs = NULL; pchregs = &(codec->chregs); audio_int = inl(ALI_REG(codec, ALI_MISCINT)); if (audio_int & ADDRESS_IRQ) { // get interrupt status for all channels pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint)); for (channel = 0; channel < ALI_CHANNELS; channel++) { snd_ali_update_ptr(codec, channel); } } outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), ALI_REG(codec,ALI_MISCINT)); } static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id, struct pt_regs *regs) { ali_t *codec = dev_id; if (codec == NULL) return IRQ_NONE; snd_ali_interrupt(codec); return IRQ_HANDLED; } static snd_ali_voice_t *snd_ali_alloc_voice(ali_t * codec, int type, int rec, int channel) { snd_ali_voice_t *pvoice = NULL; unsigned long flags; int idx; snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec); spin_lock_irqsave(&codec->voice_alloc, flags); if (type == SNDRV_ALI_VOICE_TYPE_PCM) { idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : snd_ali_find_free_channel(codec,rec); if(idx < 0) { snd_printk(KERN_ERR "ali_alloc_voice: err.\n"); spin_unlock_irqrestore(&codec->voice_alloc, flags); return NULL; } pvoice = &(codec->synth.voices[idx]); pvoice->use = 1; pvoice->pcm = 1; pvoice->mode = rec; spin_unlock_irqrestore(&codec->voice_alloc, flags); return pvoice; } spin_unlock_irqrestore(&codec->voice_alloc, flags); return NULL; } static void snd_ali_free_voice(ali_t * codec, snd_ali_voice_t *pvoice) { unsigned long flags; void (*private_free)(void *); void *private_data; snd_ali_printk("free_voice: channel=%d\n",pvoice->number); if (pvoice == NULL || !pvoice->use) return; snd_ali_clear_voices(codec, pvoice->number, pvoice->number); spin_lock_irqsave(&codec->voice_alloc, flags); private_free = pvoice->private_free; private_data = pvoice->private_data; pvoice->private_free = NULL; pvoice->private_data = NULL; if (pvoice->pcm) { snd_ali_free_channel_pcm(codec, pvoice->number); } pvoice->use = pvoice->pcm = pvoice->synth = 0; pvoice->substream = NULL; spin_unlock_irqrestore(&codec->voice_alloc, flags); if (private_free) private_free(private_data); } static void snd_ali_clear_voices(ali_t * codec, unsigned int v_min, unsigned int v_max) { unsigned int i; for (i = v_min; i <= v_max; i++) { snd_ali_stop_voice(codec, i); snd_ali_disable_voice_irq(codec, i); } } static void snd_ali_write_voice_regs(ali_t * codec, unsigned int Channel, unsigned int LBA, unsigned int CSO, unsigned int ESO, unsigned int DELTA, unsigned int ALPHA_FMS, unsigned int GVSEL, unsigned int PAN, unsigned int VOL, unsigned int CTRL, unsigned int EC) { unsigned int ctlcmds[4]; outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR)); ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); ctlcmds[1] = LBA; ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); ctlcmds[3] = (GVSEL << 31) | ((PAN & 0x0000007f) << 24) | ((VOL & 0x000000ff) << 16) | ((CTRL & 0x0000000f) << 12) | (EC & 0x00000fff); outb(Channel, ALI_REG(codec, ALI_GC_CIR)); outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS)); outl(ctlcmds[1], ALI_REG(codec,ALI_LBA)); outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA)); outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC)); outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ } static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) { unsigned int delta; if (rate < 4000) rate = 4000; if (rate > 48000) rate = 48000; if (rec) { if (rate == 44100) delta = 0x116a; else if (rate == 8000) delta = 0x6000; else if (rate == 48000) delta = 0x1000; else delta = ((48000 << 12) / rate) & 0x0000ffff; } else { if (rate == 44100) delta = 0xeb3; else if (rate == 8000) delta = 0x2ab; else if (rate == 48000) delta = 0x1000; else delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; } return delta; } static unsigned int snd_ali_control_mode(snd_pcm_substream_t *substream) { unsigned int CTRL; snd_pcm_runtime_t *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_unsigned(runtime->format)) CTRL |= 0x00000002; // signed data if (runtime->channels > 1) CTRL |= 0x00000004; // stereo data return CTRL; } /* * PCM part */ static int snd_ali_ioctl(snd_pcm_substream_t * substream, unsigned int cmd, void *arg) { return snd_pcm_lib_ioctl(substream, cmd, arg); } static int snd_ali_trigger(snd_pcm_substream_t *substream, int cmd) { ali_t *codec = snd_pcm_substream_chip(substream); struct list_head *pos; snd_pcm_substream_t *s; unsigned int what, whati, capture_flag; snd_ali_voice_t *pvoice = NULL, *evoice = NULL; unsigned int val; int do_start; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: do_start = 1; break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: do_start = 0; break; default: return -EINVAL; } what = whati = capture_flag = 0; snd_pcm_group_for_each(pos, substream) { s = snd_pcm_group_substream_entry(pos); if ((ali_t *) snd_pcm_substream_chip(s) == codec) { pvoice = (snd_ali_voice_t *) s->runtime->private_data; evoice = pvoice->extra; what |= 1 << (pvoice->number & 0x1f); if (evoice == NULL) { whati |= 1 << (pvoice->number & 0x1f); } else { whati |= 1 << (evoice->number & 0x1f); what |= 1 << (evoice->number & 0x1f); } if (do_start) { pvoice->running = 1; if (evoice != NULL) evoice->running = 1; } else { pvoice->running = 0; if (evoice != NULL) evoice->running = 0; } snd_pcm_trigger_done(s, substream); if (pvoice->mode) capture_flag = 1; } } spin_lock(&codec->reg_lock); if (! do_start) { outl(what, ALI_REG(codec, ALI_STOP)); } val = inl(ALI_REG(codec, ALI_AINTEN)); if (do_start) { val |= whati; } else { val &= ~whati; } outl(val, ALI_REG(codec, ALI_AINTEN)); if (do_start) { outl(what, ALI_REG(codec, ALI_START)); } snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati); spin_unlock(&codec->reg_lock); return 0; } static int snd_ali_playback_hw_params(snd_pcm_substream_t * substream, snd_pcm_hw_params_t * hw_params) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; snd_ali_voice_t *evoice = pvoice->extra; int err; err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); if (err < 0) return err; /* voice management */ if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) { if (evoice == NULL) { evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0, -1); if (evoice == NULL) return -ENOMEM; pvoice->extra = evoice; evoice->substream = substream; } } else { if (evoice != NULL) { snd_ali_free_voice(codec, evoice); pvoice->extra = evoice = NULL; } } return 0; } static int snd_ali_playback_hw_free(snd_pcm_substream_t * substream) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; snd_ali_voice_t *evoice = pvoice ? pvoice->extra : NULL; snd_pcm_lib_free_pages(substream); if (evoice != NULL) { snd_ali_free_voice(codec, evoice); pvoice->extra = NULL; } return 0; } static int snd_ali_hw_params(snd_pcm_substream_t * substream, snd_pcm_hw_params_t * hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); } static int snd_ali_hw_free(snd_pcm_substream_t * substream) { return snd_pcm_lib_free_pages(substream); } static int snd_ali_playback_prepare(snd_pcm_substream_t * substream) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; snd_ali_voice_t *evoice = pvoice->extra; unsigned long flags; unsigned int LBA; unsigned int Delta; unsigned int ESO; unsigned int CTRL; unsigned int GVSEL; unsigned int PAN; unsigned int VOL; unsigned int EC; snd_ali_printk("playback_prepare ...\n"); spin_lock_irqsave(&codec->reg_lock, flags); /* set Delta (rate) value */ Delta = snd_ali_convert_rate(runtime->rate, 0); if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) || (pvoice->number == ALI_PCM_IN_CHANNEL)) snd_ali_disable_special_channel(codec, pvoice->number); else if (codec->spdif_support && (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE) && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) { snd_ali_set_spdif_out_rate(codec, runtime->rate); Delta = 0x1000; } /* set Loop Back Address */ LBA = runtime->dma_addr; /* set interrupt count size */ pvoice->count = runtime->period_size; /* set target ESO for channel */ pvoice->eso = runtime->buffer_size; snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count); /* set ESO to capture first MIDLP interrupt */ ESO = pvoice->eso -1; /* set ctrl mode */ CTRL = snd_ali_control_mode(substream); GVSEL = 1; PAN = 0; VOL = 0; EC = 0; snd_ali_printk("playback_prepare:\n ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); snd_ali_write_voice_regs( codec, pvoice->number, LBA, 0, /* cso */ ESO, Delta, 0, /* alpha */ GVSEL, PAN, VOL, CTRL, EC); if (evoice != NULL) { evoice->count = pvoice->count; evoice->eso = pvoice->count << 1; ESO = evoice->eso - 1; snd_ali_write_voice_regs(codec, evoice->number, LBA, 0, /* cso */ ESO, Delta, 0, /* alpha */ GVSEL, (unsigned int)0x7f, (unsigned int)0x3ff, CTRL, EC); } spin_unlock_irqrestore(&codec->reg_lock, flags); return 0; } static int snd_ali_prepare(snd_pcm_substream_t * substream) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; unsigned long flags; unsigned int LBA; unsigned int Delta; unsigned int ESO; unsigned int CTRL; unsigned int GVSEL; unsigned int PAN; unsigned int VOL; unsigned int EC; u8 bValue; spin_lock_irqsave(&codec->reg_lock, flags); snd_ali_printk("ali_prepare...\n"); snd_ali_enable_special_channel(codec,pvoice->number); Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); // Prepare capture intr channel if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { unsigned int rate; if (codec->revision != ALI_5451_V02) { spin_unlock_irqrestore(&codec->reg_lock, flags); return -1; } rate = snd_ali_get_spdif_in_rate(codec); if (rate == 0) { snd_printk(KERN_WARNING "ali_capture_preapre: spdif rate detect err!\n"); rate = 48000; } bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); if (bValue & 0x10) { outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); printk(KERN_WARNING "clear SPDIF parity error flag.\n"); } if (rate != 48000) Delta = ((rate << 12)/runtime->rate)&0x00ffff; } // set target ESO for channel pvoice->eso = runtime->buffer_size; // set interrupt count size pvoice->count = runtime->period_size; // set Loop Back Address LBA = runtime->dma_addr; // set ESO to capture first MIDLP interrupt ESO = pvoice->eso - 1; CTRL = snd_ali_control_mode(substream); GVSEL = 0; PAN = 0x00; VOL = 0x00; EC = 0; snd_ali_write_voice_regs( codec, pvoice->number, LBA, 0, /* cso */ ESO, Delta, 0, /* alpha */ GVSEL, PAN, VOL, CTRL, EC); spin_unlock_irqrestore(&codec->reg_lock, flags); return 0; } static snd_pcm_uframes_t snd_ali_playback_pointer(snd_pcm_substream_t *substream) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; unsigned int cso; spin_lock(&codec->reg_lock); if (!pvoice->running) { spin_unlock(&codec->reg_lock); return 0; } outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); spin_unlock(&codec->reg_lock); snd_ali_printk("playback pointer returned cso=%xh.\n", cso); return cso; } static snd_pcm_uframes_t snd_ali_pointer(snd_pcm_substream_t *substream) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; unsigned int cso; unsigned long flags; spin_lock_irqsave(&codec->reg_lock, flags); if (!pvoice->running) { spin_unlock_irqrestore(&codec->reg_lock, flags); return 0; } outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); spin_unlock_irqrestore(&codec->reg_lock, flags); return cso; } static snd_pcm_hardware_t snd_ali_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_SYNC_START), .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 snd_pcm_hardware_t snd_ali_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_SYNC_START), .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, }; static void snd_ali_pcm_free_substream(snd_pcm_runtime_t *runtime) { unsigned long flags; snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; ali_t *codec; if (pvoice) { codec = pvoice->codec; spin_lock_irqsave(&codec->reg_lock, flags); snd_ali_free_voice(pvoice->codec, pvoice); spin_unlock_irqrestore(&codec->reg_lock, flags); } } static int snd_ali_open(snd_pcm_substream_t * substream, int rec, int channel, snd_pcm_hardware_t *phw) { ali_t *codec = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; snd_ali_voice_t *pvoice; unsigned long flags = 0; spin_lock_irqsave(&codec->reg_lock, flags); pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, channel); if (pvoice == NULL) { spin_unlock_irqrestore(&codec->reg_lock, flags); return -EAGAIN; } pvoice->codec = codec; spin_unlock_irqrestore(&codec->reg_lock, flags); pvoice->substream = substream; runtime->private_data = pvoice; runtime->private_free = snd_ali_pcm_free_substream; runtime->hw = *phw; snd_pcm_set_sync(substream); snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); return 0; } static int snd_ali_playback_open(snd_pcm_substream_t * substream) { return snd_ali_open(substream, 0, -1, &snd_ali_playback); } static int snd_ali_capture_open(snd_pcm_substream_t * substream) { return snd_ali_open(substream, 1, -1, &snd_ali_capture); } static int snd_ali_playback_close(snd_pcm_substream_t * substream) { return 0; } static int snd_ali_close(snd_pcm_substream_t * substream) { ali_t *codec = snd_pcm_substream_chip(substream); snd_ali_voice_t *pvoice = (snd_ali_voice_t *) substream->runtime->private_data; snd_ali_disable_special_channel(codec,pvoice->number); return 0; } static snd_pcm_ops_t snd_ali_playback_ops = { .open = snd_ali_playback_open, .close = snd_ali_playback_close, .ioctl = snd_ali_ioctl, .hw_params = snd_ali_playback_hw_params, .hw_free = snd_ali_playback_hw_free, .prepare = snd_ali_playback_prepare, .trigger = snd_ali_trigger, .pointer = snd_ali_playback_pointer, }; static snd_pcm_ops_t snd_ali_capture_ops = { .open = snd_ali_capture_open, .close = snd_ali_close, .ioctl = snd_ali_ioctl, .hw_params = snd_ali_hw_params, .hw_free = snd_ali_hw_free, .prepare = snd_ali_prepare, .trigger = snd_ali_trigger, .pointer = snd_ali_pointer, }; /* * Modem PCM */ static int snd_ali_modem_hw_params(snd_pcm_substream_t * substream, snd_pcm_hw_params_t * hw_params) { ali_t *chip = snd_pcm_substream_chip(substream); unsigned int modem_num = chip->num_of_codecs - 1; snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, params_rate(hw_params)); snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); return snd_ali_hw_params(substream, hw_params); } static snd_pcm_hardware_t snd_ali_modem = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_SYNC_START), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000, .rate_min = 8000, .rate_max = 16000, .channels_min = 1, .channels_max = 1, .buffer_bytes_max = (256*1024), .period_bytes_min = 64, .period_bytes_max = (256*1024), .periods_min = 1, .periods_max = 1024, .fifo_size = 0, }; static int snd_ali_modem_open(snd_pcm_substream_t * substream, int rec, int channel) { static unsigned int rates [] = {8000,9600,12000,16000}; static snd_pcm_hw_constraint_list_t hw_constraint_rates = { .count = ARRAY_SIZE(rates), .list = rates, .mask = 0, }; int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); if (err) return err; return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates); } static int snd_ali_modem_playback_open(snd_pcm_substream_t * substream) { return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); } static int snd_ali_modem_capture_open(snd_pcm_substream_t * substream) { return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); } static snd_pcm_ops_t snd_ali_modem_playback_ops = { .open = snd_ali_modem_playback_open, .close = snd_ali_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_ali_modem_hw_params, .hw_free = snd_ali_hw_free, .prepare = snd_ali_prepare, .trigger = snd_ali_trigger, .pointer = snd_ali_pointer, }; static snd_pcm_ops_t snd_ali_modem_capture_ops = { .open = snd_ali_modem_capture_open, .close = snd_ali_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_ali_modem_hw_params, .hw_free = snd_ali_hw_free, .prepare = snd_ali_prepare, .trigger = snd_ali_trigger, .pointer = snd_ali_pointer, }; struct ali_pcm_description { char *name; unsigned int playback_num; unsigned int capture_num; snd_pcm_ops_t *playback_ops; snd_pcm_ops_t *capture_ops; unsigned short class; }; static void snd_ali_pcm_free(snd_pcm_t *pcm) { ali_t *codec = pcm->private_data; codec->pcm[pcm->device] = NULL; } static int __devinit snd_ali_pcm(ali_t * codec, int device, struct ali_pcm_description *desc) { snd_pcm_t *pcm; int err; err = snd_pcm_new(codec->card, desc->name, device, desc->playback_num, desc->capture_num, &pcm); if (err < 0) { snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n"); return err; } pcm->private_data = codec; pcm->private_free = snd_ali_pcm_free; if (desc->playback_ops) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, desc->playback_ops); if (desc->capture_ops) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, desc->capture_ops); snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(codec->pci), 64*1024, 128*1024); pcm->info_flags = 0; pcm->dev_class = desc->class; pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; strcpy(pcm->name, desc->name); codec->pcm[0] = pcm; return 0; } static struct ali_pcm_description ali_pcms[] = { { "ALI 5451", ALI_CHANNELS, 1, &snd_ali_playback_ops, &snd_ali_capture_ops }, { "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops, SNDRV_PCM_CLASS_MODEM } }; static int __devinit snd_ali_build_pcms(ali_t *codec) { int i, err; for(i = 0 ; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms) ; i++) if((err = snd_ali_pcm(codec, i, &ali_pcms[i])) < 0) return err; return 0; } #define ALI5451_SPDIF(xname, xindex, value) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ .put = snd_ali5451_spdif_put, .private_value = value} static int snd_ali5451_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int snd_ali5451_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) { unsigned long flags; ali_t *codec = kcontrol->private_data; unsigned int enable; enable = ucontrol->value.integer.value[0] ? 1 : 0; spin_lock_irqsave(&codec->reg_lock, flags); switch(kcontrol->private_value) { case 0: enable = (codec->spdif_mask & 0x02) ? 1 : 0; break; case 1: enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0; break; case 2: enable = (codec->spdif_mask & 0x01) ? 1 : 0; break; default: break; } ucontrol->value.integer.value[0] = enable; spin_unlock_irqrestore(&codec->reg_lock, flags); return 0; } static int snd_ali5451_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) { unsigned long flags; ali_t *codec = kcontrol->private_data; unsigned int change = 0, enable = 0; enable = ucontrol->value.integer.value[0] ? 1 : 0; spin_lock_irqsave(&codec->reg_lock, flags); switch (kcontrol->private_value) { case 0: change = (codec->spdif_mask & 0x02) ? 1 : 0; change = change ^ enable; if (change) { if (enable) { codec->spdif_mask |= 0x02; snd_ali_enable_spdif_out(codec); } else { codec->spdif_mask &= ~(0x02); codec->spdif_mask &= ~(0x04); snd_ali_disable_spdif_out(codec); } } break; case 1: change = (codec->spdif_mask & 0x04) ? 1 : 0; change = change ^ enable; if (change && (codec->spdif_mask & 0x02)) { if (enable) { codec->spdif_mask |= 0x04; snd_ali_enable_spdif_chnout(codec); } else { codec->spdif_mask &= ~(0x04); snd_ali_disable_spdif_chnout(codec); } } break; case 2: change = (codec->spdif_mask & 0x01) ? 1 : 0; change = change ^ enable; if (change) { if (enable) { codec->spdif_mask |= 0x01; snd_ali_enable_spdif_in(codec); } else { codec->spdif_mask &= ~(0x01); snd_ali_disable_spdif_in(codec); } } break; default: break; } spin_unlock_irqrestore(&codec->reg_lock, flags); return change; } static snd_kcontrol_new_t snd_ali5451_mixer_spdif[] __devinitdata = { /* spdif aplayback switch */ /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), /* spdif out to spdif channel */ ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), /* spdif in from spdif channel */ ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) }; static void snd_ali_mixer_free_ac97_bus(ac97_bus_t *bus) { ali_t *codec = bus->private_data; codec->ac97_bus = NULL; } static void snd_ali_mixer_free_ac97(ac97_t *ac97) { ali_t *codec = ac97->private_data; codec->ac97[ac97->num] = NULL; } static int __devinit snd_ali_mixer(ali_t * codec) { ac97_template_t ac97; unsigned int idx; int i, err; static ac97_bus_ops_t ops = { .write = snd_ali_codec_write, .read = snd_ali_codec_read, }; if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0) return err; codec->ac97_bus->private_free = snd_ali_mixer_free_ac97_bus; memset(&ac97, 0, sizeof(ac97)); ac97.private_data = codec; ac97.private_free = snd_ali_mixer_free_ac97; for ( i = 0 ; i < codec->num_of_codecs ; i++) { ac97.num = i; if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i])) < 0) { snd_printk(KERN_ERR "ali mixer %d creating error.\n", i); if(i == 0) return err; codec->num_of_codecs = 1; break; } } if (codec->spdif_support) { for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); if (err < 0) return err; } } return 0; } #ifdef CONFIG_PM static int ali_suspend(snd_card_t *card, pm_message_t state) { ali_t *chip = card->pm_private_data; ali_image_t *im; int i, j; im = chip->image; if (! im) return 0; for(i = 0 ; i < chip->num_of_codecs ; i++) { if (chip->pcm[i]) snd_pcm_suspend_all(chip->pcm[i]); if(chip->ac97[i]) snd_ac97_suspend(chip->ac97[i]); } spin_lock_irq(&chip->reg_lock); im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); // disable all IRQ bits outl(0, ALI_REG(chip, ALI_MISCINT)); for (i = 0; i < ALI_GLOBAL_REGS; i++) { if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) continue; im->regs[i] = inl(ALI_REG(chip, i*4)); } for (i = 0; i < ALI_CHANNELS; i++) { outb(i, ALI_REG(chip, ALI_GC_CIR)); for (j = 0; j < ALI_CHANNEL_REGS; j++) im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); } // stop all HW channel outl(0xffffffff, ALI_REG(chip, ALI_STOP)); spin_unlock_irq(&chip->reg_lock); pci_disable_device(chip->pci); return 0; } static int ali_resume(snd_card_t *card) { ali_t *chip = card->pm_private_data; ali_image_t *im; int i, j; im = chip->image; if (! im) return 0; pci_enable_device(chip->pci); spin_lock_irq(&chip->reg_lock); for (i = 0; i < ALI_CHANNELS; i++) { outb(i, ALI_REG(chip, ALI_GC_CIR)); for (j = 0; j < ALI_CHANNEL_REGS; j++) outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); } for (i = 0; i < ALI_GLOBAL_REGS; i++) { if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START)) continue; outl(im->regs[i], ALI_REG(chip, i*4)); } // start HW channel outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); // restore IRQ enable bits outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); spin_unlock_irq(&chip->reg_lock); for(i = 0 ; i < chip->num_of_codecs ; i++) if(chip->ac97[i]) snd_ac97_resume(chip->ac97[i]); return 0; } #endif /* CONFIG_PM */ static int snd_ali_free(ali_t * codec) { if (codec->hw_initialized) snd_ali_disable_address_interrupt(codec); if (codec->irq >= 0) { synchronize_irq(codec->irq); free_irq(codec->irq, (void *)codec); } if (codec->port) pci_release_regions(codec->pci); pci_disable_device(codec->pci); #ifdef CONFIG_PM kfree(codec->image); #endif pci_dev_put(codec->pci_m1533); pci_dev_put(codec->pci_m7101); kfree(codec); return 0; } static int snd_ali_chip_init(ali_t *codec) { unsigned int legacy; unsigned char temp; struct pci_dev *pci_dev = NULL; snd_ali_printk("chip initializing ... \n"); if (snd_ali_reset_5451(codec)) { snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n"); return -1; } if (codec->revision == ALI_5451_V02) { pci_dev = codec->pci_m1533; pci_read_config_byte(pci_dev, 0x59, &temp); temp |= 0x80; pci_write_config_byte(pci_dev, 0x59, temp); pci_dev = codec->pci_m7101; pci_read_config_byte(pci_dev, 0xb8, &temp); temp |= 0x20; pci_write_config_byte(pci_dev, 0xB8, temp); } pci_read_config_dword(codec->pci, 0x44, &legacy); legacy &= 0xff00ff00; legacy |= 0x000800aa; pci_write_config_dword(codec->pci, 0x44, legacy); outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); outl(0xffffffff, ALI_REG(codec, ALI_AINT)); outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); outb(0x10, ALI_REG(codec, ALI_MPUR2)); codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS); if (codec->spdif_support) { snd_ali_enable_spdif_out(codec); codec->spdif_mask = 0x00000002; } codec->num_of_codecs = 1; /* secondary codec - modem */ if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { codec->num_of_codecs++; outl(inl(ALI_REG(codec, ALI_SCTRL)) | (ALI_SCTRL_LINE_IN2|ALI_SCTRL_GPIO_IN2|ALI_SCTRL_LINE_OUT_EN), ALI_REG(codec, ALI_SCTRL)); } snd_ali_printk("chip initialize succeed.\n"); return 0; } /* proc for register dump */ static void snd_ali_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buf) { ali_t *codec = entry->private_data; int i; for(i = 0 ; i < 256 ; i+= 4) snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); } static void __devinit snd_ali_proc_init(ali_t *codec) { snd_info_entry_t *entry; if(!snd_card_proc_new(codec->card, "ali5451", &entry)) snd_info_set_text_ops(entry, codec, 1024, snd_ali_proc_read); } static int __devinit snd_ali_resources(ali_t *codec) { int err; snd_ali_printk("resouces allocation ...\n"); if ((err = pci_request_regions(codec->pci, "ALI 5451")) < 0) return err; codec->port = pci_resource_start(codec->pci, 0); if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) { snd_printk(KERN_ERR "Unable to request irq.\n"); return -EBUSY; } codec->irq = codec->pci->irq; snd_ali_printk("resouces allocated.\n"); return 0; } static int snd_ali_dev_free(snd_device_t *device) { ali_t *codec=device->device_data; snd_ali_free(codec); return 0; } static int __devinit snd_ali_create(snd_card_t * card, struct pci_dev *pci, int pcm_streams, int spdif_support, ali_t ** r_ali) { ali_t *codec; int i, err; unsigned short cmdw = 0; struct pci_dev *pci_dev = NULL; static snd_device_ops_t ops = { (snd_dev_free_t *)snd_ali_dev_free, NULL, NULL }; *r_ali = NULL; snd_ali_printk("creating ...\n"); /* enable PCI device */ if ((err = pci_enable_device(pci)) < 0) return err; /* check, if we can restrict PCI DMA transfers to 31 bits */ if (pci_set_dma_mask(pci, 0x7fffffff) < 0 || pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) { snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n"); pci_disable_device(pci); return -ENXIO; } if ((codec = kzalloc(sizeof(*codec), GFP_KERNEL)) == NULL) { pci_disable_device(pci); return -ENOMEM; } spin_lock_init(&codec->reg_lock); spin_lock_init(&codec->voice_alloc); codec->card = card; codec->pci = pci; codec->irq = -1; pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision); codec->spdif_support = spdif_support; if (pcm_streams < 1) pcm_streams = 1; if (pcm_streams > 32) pcm_streams = 32; pci_set_master(pci); pci_read_config_word(pci, PCI_COMMAND, &cmdw); if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { cmdw |= PCI_COMMAND_IO; pci_write_config_word(pci, PCI_COMMAND, cmdw); } pci_set_master(pci); if (snd_ali_resources(codec)) { snd_ali_free(codec); return -EBUSY; } synchronize_irq(pci->irq); codec->synth.chmap = 0; codec->synth.chcnt = 0; codec->spdif_mask = 0; codec->synth.synthcount = 0; if (codec->revision == ALI_5451_V02) codec->chregs.regs.ac97read = ALI_AC97_WRITE; else codec->chregs.regs.ac97read = ALI_AC97_READ; codec->chregs.regs.ac97write = ALI_AC97_WRITE; codec->chregs.regs.start = ALI_START; codec->chregs.regs.stop = ALI_STOP; codec->chregs.regs.aint = ALI_AINT; codec->chregs.regs.ainten = ALI_AINTEN; codec->chregs.data.start = 0x00; codec->chregs.data.stop = 0x00; codec->chregs.data.aint = 0x00; codec->chregs.data.ainten = 0x00; /* M1533: southbridge */ pci_dev = pci_get_device(0x10b9, 0x1533, NULL); codec->pci_m1533 = pci_dev; if (! codec->pci_m1533) { snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n"); snd_ali_free(codec); return -ENODEV; } /* M7101: power management */ pci_dev = pci_get_device(0x10b9, 0x7101, NULL); codec->pci_m7101 = pci_dev; if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) { snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n"); snd_ali_free(codec); return -ENODEV; } snd_ali_printk("snd_device_new is called.\n"); if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) { snd_ali_free(codec); return err; } /* initialise synth voices*/ for (i = 0; i < ALI_CHANNELS; i++ ) { codec->synth.voices[i].number = i; } if ((err = snd_ali_chip_init(codec)) < 0) { snd_printk(KERN_ERR "ali create: chip init error.\n"); return err; } #ifdef CONFIG_PM codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); if (! codec->image) snd_printk(KERN_WARNING "can't allocate apm buffer\n"); else snd_card_set_pm_callback(card, ali_suspend, ali_resume, codec); #endif snd_ali_enable_address_interrupt(codec); codec->hw_initialized = 1; *r_ali = codec; snd_ali_printk("created.\n"); return 0; } static int __devinit snd_ali_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { snd_card_t *card; ali_t *codec; int err; snd_ali_printk("probe ...\n"); card = snd_card_new(index, id, THIS_MODULE, 0); if (card == NULL) return -ENOMEM; if ((err = snd_ali_create(card, pci, pcm_channels, spdif, &codec)) < 0) { snd_card_free(card); return err; } snd_ali_printk("mixer building ...\n"); if ((err = snd_ali_mixer(codec)) < 0) { snd_card_free(card); return err; } snd_ali_printk("pcm building ...\n"); if ((err = snd_ali_build_pcms(codec)) < 0) { snd_card_free(card); return err; } snd_ali_proc_init(codec); strcpy(card->driver, "ALI5451"); strcpy(card->shortname, "ALI 5451"); sprintf(card->longname, "%s at 0x%lx, irq %li", card->shortname, codec->port, codec->irq); snd_ali_printk("register card.\n"); if ((err = snd_card_register(card)) < 0) { snd_card_free(card); return err; } pci_set_drvdata(pci, card); return 0; } static void __devexit snd_ali_remove(struct pci_dev *pci) { snd_card_free(pci_get_drvdata(pci)); pci_set_drvdata(pci, NULL); } static struct pci_driver driver = { .name = "ALI 5451", .owner = THIS_MODULE, .id_table = snd_ali_ids, .probe = snd_ali_probe, .remove = __devexit_p(snd_ali_remove), SND_PCI_PM_CALLBACKS }; static int __init alsa_card_ali_init(void) { return pci_register_driver(&driver); } static void __exit alsa_card_ali_exit(void) { pci_unregister_driver(&driver); } module_init(alsa_card_ali_init) module_exit(alsa_card_ali_exit)