| /* |
| * 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 <linux/dma-mapping.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_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 |
| |
| |
| struct snd_ali; |
| struct snd_ali_voice; |
| |
| 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; |
| |
| }; |
| |
| struct snd_ali_voice { |
| unsigned int number; |
| unsigned int use: 1, |
| pcm: 1, |
| midi: 1, |
| mode: 1, |
| synth: 1; |
| |
| /* PCM data */ |
| struct snd_ali *codec; |
| struct snd_pcm_substream *substream; |
| struct snd_ali_voice *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); |
| }; |
| |
| |
| struct snd_alidev { |
| |
| struct snd_ali_voice voices[ALI_CHANNELS]; |
| |
| unsigned int chcnt; /* num of opened channels */ |
| unsigned int chmap; /* bitmap for opened channels */ |
| unsigned int synthcount; |
| |
| }; |
| |
| |
| #ifdef CONFIG_PM |
| #define ALI_GLOBAL_REGS 56 |
| #define ALI_CHANNEL_REGS 8 |
| struct snd_ali_image { |
| unsigned long regs[ALI_GLOBAL_REGS]; |
| unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; |
| }; |
| #endif |
| |
| |
| struct snd_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; |
| |
| struct snd_card *card; |
| struct snd_pcm *pcm[MAX_CODECS]; |
| struct snd_alidev synth; |
| struct snd_ali_channel_control chregs; |
| |
| /* S/PDIF Mask */ |
| unsigned int spdif_mask; |
| |
| unsigned int spurious_irq_count; |
| unsigned int spurious_irq_max_delta; |
| |
| unsigned int num_of_codecs; |
| |
| struct snd_ac97_bus *ac97_bus; |
| struct snd_ac97 *ac97[MAX_CODECS]; |
| unsigned short ac97_ext_id; |
| unsigned short ac97_ext_status; |
| |
| spinlock_t reg_lock; |
| spinlock_t voice_alloc; |
| |
| #ifdef CONFIG_PM |
| struct snd_ali_image *image; |
| #endif |
| }; |
| |
| static struct pci_device_id snd_ali_ids[] __devinitdata = { |
| {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, |
| {0, } |
| }; |
| MODULE_DEVICE_TABLE(pci, snd_ali_ids); |
| |
| static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); |
| static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); |
| static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, unsigned short); |
| |
| /* |
| * Debug Part |
| */ |
| |
| #ifdef ALI_DEBUG |
| |
| static void ali_read_regs(struct snd_ali *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(struct snd_ali *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(struct snd_ali *codec, |
| unsigned int port ) |
| { |
| return (unsigned int)inl(ALI_REG(codec, port)); |
| } |
| |
| static inline void snd_ali_5451_poke( struct snd_ali *codec, |
| unsigned int port, |
| unsigned int val ) |
| { |
| outl((unsigned int)val, ALI_REG(codec, port)); |
| } |
| |
| static int snd_ali_codec_ready( struct snd_ali *codec, |
| unsigned int port ) |
| { |
| unsigned long end_time; |
| unsigned int res; |
| |
| end_time = jiffies + msecs_to_jiffies(250); |
| do { |
| res = snd_ali_5451_peek(codec,port); |
| if (! (res & 0x8000)) |
| return 0; |
| schedule_timeout_uninterruptible(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(struct snd_ali *codec) |
| { |
| 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 + msecs_to_jiffies(250); |
| do { |
| dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); |
| if (dwChk2 != dwChk1) |
| return 0; |
| schedule_timeout_uninterruptible(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(struct snd_ali *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) |
| return; |
| if (snd_ali_stimer_ready(codec) < 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( struct snd_ali *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) |
| return ~0; |
| if (snd_ali_stimer_ready(codec) < 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) |
| return ~0; |
| if (snd_ali_codec_ready(codec, port) < 0) |
| return ~0; |
| |
| return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16; |
| } |
| |
| static void snd_ali_codec_write(struct snd_ac97 *ac97, |
| unsigned short reg, |
| unsigned short val ) |
| { |
| struct snd_ali *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(struct snd_ac97 *ac97, unsigned short reg) |
| { |
| struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali * 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(struct snd_ali * 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(struct snd_ali *codec, unsigned int channel) |
| { |
| unsigned int mask; |
| struct snd_ali_channel_control *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(struct snd_ali *codec, unsigned int channel) |
| { |
| unsigned int mask; |
| struct snd_ali_channel_control *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(struct snd_ali *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(struct snd_ali * 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(struct snd_ali *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(struct snd_ali * 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(struct snd_ali * 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(struct snd_ali *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) < 0) |
| break; |
| currenttimer = inl(ALI_REG(codec, ALI_STIMER)); |
| } |
| } |
| |
| static void snd_ali_detect_spdif_rate(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *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(struct snd_ali *codec,int channel) |
| { |
| struct snd_ali_voice *pvoice = NULL; |
| struct snd_pcm_runtime *runtime; |
| struct snd_ali_channel_control *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(struct snd_ali * codec) |
| { |
| int channel; |
| unsigned int audio_int; |
| struct snd_ali_channel_control *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) |
| { |
| struct snd_ali *codec = dev_id; |
| |
| if (codec == NULL) |
| return IRQ_NONE; |
| snd_ali_interrupt(codec); |
| return IRQ_HANDLED; |
| } |
| |
| |
| static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, int type, int rec, int channel) |
| { |
| struct snd_ali_voice *pvoice = NULL; |
| int idx; |
| |
| snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec); |
| |
| spin_lock_irq(&codec->voice_alloc); |
| 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_irq(&codec->voice_alloc); |
| return NULL; |
| } |
| pvoice = &(codec->synth.voices[idx]); |
| pvoice->codec = codec; |
| pvoice->use = 1; |
| pvoice->pcm = 1; |
| pvoice->mode = rec; |
| spin_unlock_irq(&codec->voice_alloc); |
| return pvoice; |
| } |
| spin_unlock_irq(&codec->voice_alloc); |
| return NULL; |
| } |
| |
| |
| static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvoice) |
| { |
| 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_irq(&codec->voice_alloc); |
| 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_irq(&codec->voice_alloc); |
| if (private_free) |
| private_free(private_data); |
| } |
| |
| |
| static void snd_ali_clear_voices(struct snd_ali * 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(struct snd_ali * 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(struct snd_pcm_substream *substream) |
| { |
| unsigned int CTRL; |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| |
| /* set ctrl mode |
| CTRL default: 8-bit (unsigned) mono, loop mode enabled |
| */ |
| CTRL = 0x00000001; |
| if (snd_pcm_format_width(runtime->format) == 16) |
| CTRL |= 0x00000008; // 16-bit data |
| if (!snd_pcm_format_unsigned(runtime->format)) |
| CTRL |= 0x00000002; // signed data |
| if (runtime->channels > 1) |
| CTRL |= 0x00000004; // stereo data |
| return CTRL; |
| } |
| |
| /* |
| * PCM part |
| */ |
| |
| static int snd_ali_ioctl(struct snd_pcm_substream *substream, |
| unsigned int cmd, void *arg) |
| { |
| return snd_pcm_lib_ioctl(substream, cmd, arg); |
| } |
| |
| static int snd_ali_trigger(struct snd_pcm_substream *substream, |
| int cmd) |
| |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct list_head *pos; |
| struct snd_pcm_substream *s; |
| unsigned int what, whati, capture_flag; |
| struct snd_ali_voice *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 ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) { |
| pvoice = 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(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *hw_params) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice = runtime->private_data; |
| struct snd_ali_voice *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(struct snd_pcm_substream *substream) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice = runtime->private_data; |
| struct snd_ali_voice *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(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *hw_params) |
| { |
| return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| } |
| |
| static int snd_ali_hw_free(struct snd_pcm_substream *substream) |
| { |
| return snd_pcm_lib_free_pages(substream); |
| } |
| |
| static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice = runtime->private_data; |
| struct snd_ali_voice *evoice = pvoice->extra; |
| |
| 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_irq(&codec->reg_lock); |
| |
| /* 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_irq(&codec->reg_lock); |
| return 0; |
| } |
| |
| |
| static int snd_ali_prepare(struct snd_pcm_substream *substream) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice = runtime->private_data; |
| 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_irq(&codec->reg_lock); |
| |
| 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; |
| |
| spin_unlock_irq(&codec->reg_lock); |
| if (codec->revision != ALI_5451_V02) |
| 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; |
| } |
| spin_lock_irq(&codec->reg_lock); |
| 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_irq(&codec->reg_lock); |
| |
| return 0; |
| } |
| |
| |
| static snd_pcm_uframes_t snd_ali_playback_pointer(struct snd_pcm_substream *substream) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice = 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(struct snd_pcm_substream *substream) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice = runtime->private_data; |
| unsigned int cso; |
| |
| spin_lock(&codec->reg_lock); |
| if (!pvoice->running) { |
| spin_unlock_irq(&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); |
| |
| return cso; |
| } |
| |
| static struct snd_pcm_hardware 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 struct snd_pcm_hardware 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(struct snd_pcm_runtime *runtime) |
| { |
| struct snd_ali_voice *pvoice = runtime->private_data; |
| struct snd_ali *codec; |
| |
| if (pvoice) { |
| codec = pvoice->codec; |
| snd_ali_free_voice(pvoice->codec, pvoice); |
| } |
| } |
| |
| static int snd_ali_open(struct snd_pcm_substream *substream, int rec, int channel, |
| struct snd_pcm_hardware *phw) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| struct snd_ali_voice *pvoice; |
| |
| pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, channel); |
| if (pvoice == NULL) |
| return -EAGAIN; |
| |
| 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(struct snd_pcm_substream *substream) |
| { |
| return snd_ali_open(substream, 0, -1, &snd_ali_playback); |
| } |
| |
| static int snd_ali_capture_open(struct snd_pcm_substream *substream) |
| { |
| return snd_ali_open(substream, 1, -1, &snd_ali_capture); |
| } |
| |
| static int snd_ali_playback_close(struct snd_pcm_substream *substream) |
| { |
| return 0; |
| } |
| |
| static int snd_ali_close(struct snd_pcm_substream *substream) |
| { |
| struct snd_ali *codec = snd_pcm_substream_chip(substream); |
| struct snd_ali_voice *pvoice = substream->runtime->private_data; |
| |
| snd_ali_disable_special_channel(codec,pvoice->number); |
| |
| return 0; |
| } |
| |
| static struct snd_pcm_ops 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 struct snd_pcm_ops 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(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *hw_params) |
| { |
| struct snd_ali *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 struct snd_pcm_hardware 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(struct snd_pcm_substream *substream, int rec, int channel) |
| { |
| static unsigned int rates [] = {8000,9600,12000,16000}; |
| static struct snd_pcm_hw_constraint_list 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(struct snd_pcm_substream *substream) |
| { |
| return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); |
| } |
| |
| static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) |
| { |
| return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); |
| } |
| |
| static struct snd_pcm_ops 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 struct snd_pcm_ops 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; |
| struct snd_pcm_ops *playback_ops; |
| struct snd_pcm_ops *capture_ops; |
| unsigned short class; |
| }; |
| |
| |
| static void snd_ali_pcm_free(struct snd_pcm *pcm) |
| { |
| struct snd_ali *codec = pcm->private_data; |
| codec->pcm[pcm->device] = NULL; |
| } |
| |
| |
| static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, struct ali_pcm_description *desc) |
| { |
| struct snd_pcm *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(struct snd_ali *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
| { |
| uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| uinfo->count = 1; |
| uinfo->value.integer.min = 0; |
| uinfo->value.integer.max = 1; |
| return 0; |
| } |
| |
| static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ali *codec = kcontrol->private_data; |
| unsigned int enable; |
| |
| enable = ucontrol->value.integer.value[0] ? 1 : 0; |
| |
| spin_lock_irq(&codec->reg_lock); |
| 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_irq(&codec->reg_lock); |
| return 0; |
| } |
| |
| static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
| { |
| struct snd_ali *codec = kcontrol->private_data; |
| unsigned int change = 0, enable = 0; |
| |
| enable = ucontrol->value.integer.value[0] ? 1 : 0; |
| |
| spin_lock_irq(&codec->reg_lock); |
| 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_irq(&codec->reg_lock); |
| |
| return change; |
| } |
| |
| static struct snd_kcontrol_new 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(struct snd_ac97_bus *bus) |
| { |
| struct snd_ali *codec = bus->private_data; |
| codec->ac97_bus = NULL; |
| } |
| |
| static void snd_ali_mixer_free_ac97(struct snd_ac97 *ac97) |
| { |
| struct snd_ali *codec = ac97->private_data; |
| codec->ac97[ac97->num] = NULL; |
| } |
| |
| static int __devinit snd_ali_mixer(struct snd_ali * codec) |
| { |
| struct snd_ac97_template ac97; |
| unsigned int idx; |
| int i, err; |
| static struct snd_ac97_bus_ops 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(struct pci_dev *pci, pm_message_t state) |
| { |
| struct snd_card *card = pci_get_drvdata(pci); |
| struct snd_ali *chip = card->private_data; |
| struct snd_ali_image *im; |
| int i, j; |
| |
| im = chip->image; |
| if (! im) |
| return 0; |
| |
| snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
| for(i = 0 ; i < chip->num_of_codecs ; i++) { |
| snd_pcm_suspend_all(chip->pcm[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(pci); |
| pci_save_state(pci); |
| return 0; |
| } |
| |
| static int ali_resume(struct pci_dev *pci) |
| { |
| struct snd_card *card = pci_get_drvdata(pci); |
| struct snd_ali *chip = card->private_data; |
| struct snd_ali_image *im; |
| int i, j; |
| |
| im = chip->image; |
| if (! im) |
| return 0; |
| |
| pci_restore_state(pci); |
| pci_enable_device(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++) |
| snd_ac97_resume(chip->ac97[i]); |
| |
| snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
| return 0; |
| } |
| #endif /* CONFIG_PM */ |
| |
| static int snd_ali_free(struct snd_ali * 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(struct snd_ali *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(struct snd_info_entry *entry, struct snd_info_buffer *buf) |
| { |
| struct snd_ali *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(struct snd_ali *codec) |
| { |
| struct snd_info_entry *entry; |
| if(!snd_card_proc_new(codec->card, "ali5451", &entry)) |
| snd_info_set_text_ops(entry, codec, snd_ali_proc_read); |
| } |
| |
| static int __devinit snd_ali_resources(struct snd_ali *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(struct snd_device *device) |
| { |
| struct snd_ali *codec=device->device_data; |
| snd_ali_free(codec); |
| return 0; |
| } |
| |
| static int __devinit snd_ali_create(struct snd_card *card, |
| struct pci_dev *pci, |
| int pcm_streams, |
| int spdif_support, |
| struct snd_ali ** r_ali) |
| { |
| struct snd_ali *codec; |
| int i, err; |
| unsigned short cmdw; |
| static struct snd_device_ops ops = { |
| .dev_free = snd_ali_dev_free, |
| }; |
| |
| *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, DMA_31BIT_MASK) < 0 || |
| pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 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 */ |
| codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); |
| if (! codec->pci_m1533) { |
| snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n"); |
| snd_ali_free(codec); |
| return -ENODEV; |
| } |
| /* M7101: power management */ |
| codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL); |
| 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"); |
| #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) |
| { |
| struct snd_card *card; |
| struct snd_ali *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; |
| } |
| card->private_data = codec; |
| |
| 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", |
| .id_table = snd_ali_ids, |
| .probe = snd_ali_probe, |
| .remove = __devexit_p(snd_ali_remove), |
| #ifdef CONFIG_PM |
| .suspend = ali_suspend, |
| .resume = ali_resume, |
| #endif |
| }; |
| |
| 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) |