diff options
Diffstat (limited to 'sound/pci/ali5451/ali5451.c')
| -rw-r--r-- | sound/pci/ali5451/ali5451.c | 2282 |
1 files changed, 2282 insertions, 0 deletions
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c new file mode 100644 index 00000000000..984d5d4ba4e --- /dev/null +++ b/sound/pci/ali5451/ali5451.c @@ -0,0 +1,2282 @@ +/* + * Matt Wu <Matt_Wu@acersoftech.com.cn> + * 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 <sound/driver.h> +#include <asm/io.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/info.h> +#include <sound/ac97_codec.h> +#include <sound/mpu401.h> +#include <sound/initval.h> + +MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); +MODULE_DESCRIPTION("ALI M5451"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; +static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32}; +static int spdif[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable ALI 5451 PCI Audio."); +module_param_array(pcm_channels, int, NULL, 0444); +MODULE_PARM_DESC(pcm_channels, "PCM Channels"); +module_param_array(spdif, bool, NULL, 0444); +MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); + +/* + * 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 + */ + +#ifndef PCI_VENDOR_ID_ALI +#define PCI_VENDOR_ID_ALI 0x10b9 +#endif + +#ifndef PCI_DEVICE_ID_ALI_5451 +#define PCI_DEVICE_ID_ALI_5451 0x5451 +#endif + +#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_ALI<<16)|PCI_DEVICE_ID_ALI_5451) + + +#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 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_AC97_GPIO 0x4c +#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 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) + +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; + 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; + + ac97_bus_t *ac97_bus; + ac97_t *ac97; + 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 = NULL; + int i,j; + + + pci_dev = pci_find_device(vendor, deviceid, pci_dev); + 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"); + } + } +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 * (HZ >> 2); + 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 * (HZ >> 2); + 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("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("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("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); + snd_ali_codec_poke(codec, 0, 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, 0, 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("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("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("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("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("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("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("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) +{ + 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 = snd_ali_find_free_channel(codec,rec); + if(idx < 0) { + snd_printk("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); + 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_capture_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_capture_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_capture_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("capture_prepare...\n"); + + snd_ali_enable_special_channel(codec,pvoice->number); + + Delta = snd_ali_convert_rate(runtime->rate, 1); + + // 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("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("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_capture_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_playback_open(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; + unsigned long flags = 0; + + spin_lock_irqsave(&codec->reg_lock, flags); + pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0); + 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 = snd_ali_playback; + 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_capture_open(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; + unsigned long flags; + + spin_lock_irqsave(&codec->reg_lock, flags); + pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 1); + 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 = snd_ali_capture; + 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_close(snd_pcm_substream_t * substream) +{ + return 0; +} + +static int snd_ali_capture_close(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_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_capture_close, + .ioctl = snd_ali_ioctl, + .hw_params = snd_ali_capture_hw_params, + .hw_free = snd_ali_capture_hw_free, + .prepare = snd_ali_capture_prepare, + .trigger = snd_ali_trigger, + .pointer = snd_ali_capture_pointer, +}; + + +static void snd_ali_pcm_free(snd_pcm_t *pcm) +{ + ali_t *codec = pcm->private_data; + codec->pcm = NULL; +} + +static int __devinit snd_ali_pcm(ali_t * codec, int device, snd_pcm_t ** rpcm) +{ + snd_pcm_t *pcm; + int err; + + if (rpcm) *rpcm = NULL; + err = snd_pcm_new(codec->card, "ALI 5451", device, ALI_CHANNELS, 1, &pcm); + if (err < 0) { + snd_printk("snd_ali_pcm: err called snd_pcm_new.\n"); + return err; + } + pcm->private_data = codec; + pcm->private_free = snd_ali_pcm_free; + pcm->info_flags = 0; + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ali_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ali_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_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; + strcpy(pcm->name, "ALI 5451"); + codec->pcm = pcm; + if (rpcm) *rpcm = pcm; + 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("IEC958 Output switch", 0, 0), + /* spdif out to spdif channel */ + ALI5451_SPDIF("IEC958 Channel Output 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 = NULL; +} + +static int __devinit snd_ali_mixer(ali_t * codec) +{ + ac97_template_t ac97; + unsigned int idx; + int 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; + if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97)) < 0) { + snd_printk("ali mixer creating error.\n"); + return err; + } + 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; + + snd_pcm_suspend_all(chip->pcm); + snd_ac97_suspend(chip->ac97); + + 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); + + snd_ac97_resume(chip->ac97); + + 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 + 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("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; + } + + snd_ali_printk("chip initialize succeed.\n"); + return 0; + +} + +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("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("architecture does not support 31bit PCI busmaster DMA\n"); + pci_disable_device(pci); + return -ENXIO; + } + + if ((codec = kcalloc(1, 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_find_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_find_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("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) +{ + static int dev; + snd_card_t *card; + ali_t *codec; + int err; + + snd_ali_printk("probe ...\n"); + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + if (card == NULL) + return -ENOMEM; + + if ((err = snd_ali_create(card, pci, pcm_channels[dev], spdif[dev], &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_pcm(codec, 0, NULL)) < 0) { + snd_card_free(card); + return err; + } + + 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); + dev++; + 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", + .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_module_init(&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) |