diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/ali5451/ali5451.c | 865 |
1 files changed, 420 insertions, 445 deletions
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c index cd2fe37..e1ed595 100644 --- a/sound/pci/ali5451/ali5451.c +++ b/sound/pci/ali5451/ali5451.c @@ -69,10 +69,10 @@ module_param(enable, bool, 0444); * Debug part definitions */ -//#define ALI_DEBUG +/* #define ALI_DEBUG */ #ifdef ALI_DEBUG -#define snd_ali_printk(format, args...) printk(format, ##args); +#define snd_ali_printk(format, args...) printk(KERN_DEBUG format, ##args); #else #define snd_ali_printk(format, args...) #endif @@ -105,10 +105,10 @@ module_param(enable, bool, 0444); * 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_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 @@ -175,7 +175,7 @@ struct snd_ali; struct snd_ali_voice; struct snd_ali_channel_control { - // register data + /* register data */ struct REGDATA { unsigned int start; unsigned int stop; @@ -183,7 +183,7 @@ struct snd_ali_channel_control { unsigned int ainten; } data; - // register addresses + /* register addresses */ struct REGS { unsigned int start; unsigned int stop; @@ -197,19 +197,18 @@ struct snd_ali_channel_control { struct snd_ali_voice { unsigned int number; - unsigned int use: 1, - pcm: 1, - midi: 1, - mode: 1, - synth: 1; + unsigned int use :1, + pcm :1, + midi :1, + mode :1, + synth :1, + running :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 */ @@ -231,14 +230,12 @@ struct snd_alidev { }; -#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]; + u32 regs[ALI_GLOBAL_REGS]; + u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; }; -#endif struct snd_ali { @@ -246,8 +243,8 @@ struct snd_ali { unsigned long port; unsigned char revision; - unsigned int hw_initialized: 1; - unsigned int spdif_support: 1; + unsigned int hw_initialized :1; + unsigned int spdif_support :1; struct pci_dev *pci; struct pci_dev *pci_m1533; @@ -287,108 +284,28 @@ 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 +static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, + unsigned short); /* * AC97 ACCESS */ static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, - unsigned int port ) + 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 ) +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 ) +static int snd_ali_codec_ready(struct snd_ali *codec, + unsigned int port) { unsigned long end_time; unsigned int res; @@ -396,7 +313,7 @@ static int snd_ali_codec_ready( struct snd_ali *codec, end_time = jiffies + msecs_to_jiffies(250); do { res = snd_ali_5451_peek(codec,port); - if (! (res & 0x8000)) + if (!(res & 0x8000)) return 0; schedule_timeout_uninterruptible(1); } while (time_after_eq(end_time, jiffies)); @@ -425,11 +342,11 @@ static int snd_ali_stimer_ready(struct snd_ali *codec) } static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, - unsigned short reg, - unsigned short val) + unsigned short reg, + unsigned short val) { - unsigned int dwVal = 0; - unsigned int port = 0; + unsigned int dwVal; + unsigned int port; if (reg >= 0x80) { snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg); @@ -445,20 +362,22 @@ static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, dwVal = (unsigned int) (reg & 0xff); dwVal |= 0x8000 | (val << 16); - if (secondary) dwVal |= 0x0080; - if (codec->revision == ALI_5451_V02) dwVal |= 0x0100; + if (secondary) + dwVal |= 0x0080; + if (codec->revision == ALI_5451_V02) + dwVal |= 0x0100; - snd_ali_5451_poke(codec,port,dwVal); + snd_ali_5451_poke(codec, port, dwVal); return ; } -static unsigned short snd_ali_codec_peek( struct snd_ali *codec, - int secondary, - unsigned short reg) +static unsigned short snd_ali_codec_peek(struct snd_ali *codec, + int secondary, + unsigned short reg) { - unsigned int dwVal = 0; - unsigned int port = 0; + unsigned int dwVal; + unsigned int port; if (reg >= 0x80) { snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg); @@ -474,7 +393,8 @@ static unsigned short snd_ali_codec_peek( struct snd_ali *codec, dwVal = (unsigned int) (reg & 0xff); dwVal |= 0x8000; /* bit 15*/ - if (secondary) dwVal |= 0x0080; + if (secondary) + dwVal |= 0x0080; snd_ali_5451_poke(codec, port, dwVal); @@ -483,7 +403,7 @@ static unsigned short snd_ali_codec_peek( struct snd_ali *codec, if (snd_ali_codec_ready(codec, port) < 0) return ~0; - return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16; + return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16; } static void snd_ali_codec_write(struct snd_ac97 *ac97, @@ -493,9 +413,9 @@ static void snd_ali_codec_write(struct snd_ac97 *ac97, 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)); + 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); @@ -503,12 +423,13 @@ static void snd_ali_codec_write(struct snd_ac97 *ac97, } -static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg) +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)); + return snd_ali_codec_peek(codec, ac97->num, reg); } /* @@ -517,11 +438,12 @@ static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, unsigned short r static int snd_ali_reset_5451(struct snd_ali *codec) { - struct pci_dev *pci_dev = NULL; + struct pci_dev *pci_dev; unsigned short wCount, wReg; unsigned int dwVal; - if ((pci_dev = codec->pci_m1533) != NULL) { + pci_dev = codec->pci_m1533; + if (pci_dev) { pci_read_config_dword(pci_dev, 0x7c, &dwVal); pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); udelay(5000); @@ -541,7 +463,7 @@ static int snd_ali_reset_5451(struct snd_ali *codec) wCount = 200; while(wCount--) { wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); - if((wReg & 0x000f) == 0x000f) + if ((wReg & 0x000f) == 0x000f) return 0; udelay(5000); } @@ -555,8 +477,8 @@ static int snd_ali_reset_5451(struct snd_ali *codec) static int snd_ali_reset_codec(struct snd_ali *codec) { - struct pci_dev *pci_dev = NULL; - unsigned char bVal = 0; + struct pci_dev *pci_dev; + unsigned char bVal; unsigned int dwVal; unsigned short wCount, wReg; @@ -579,9 +501,9 @@ static int snd_ali_reset_codec(struct snd_ali *codec) udelay(15000); wCount = 200; - while(wCount--) { + while (wCount--) { wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN); - if((wReg & 0x000f) == 0x000f) + if ((wReg & 0x000f) == 0x000f) return 0; udelay(5000); } @@ -594,25 +516,27 @@ static int snd_ali_reset_codec(struct snd_ali *codec) * ALI 5451 Controller */ -static void snd_ali_enable_special_channel(struct snd_ali *codec, unsigned int channel) +static void snd_ali_enable_special_channel(struct snd_ali *codec, + unsigned int channel) { - unsigned long dwVal = 0; + unsigned long dwVal; - dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); + dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); dwVal |= 1 << (channel & 0x0000001f); - outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); + outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); } -static void snd_ali_disable_special_channel(struct snd_ali *codec, unsigned int channel) +static void snd_ali_disable_special_channel(struct snd_ali *codec, + unsigned int channel) { - unsigned long dwVal = 0; + unsigned long dwVal; - dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); + dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); dwVal &= ~(1 << (channel & 0x0000001f)); - outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); + outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); } -static void snd_ali_enable_address_interrupt(struct snd_ali * codec) +static void snd_ali_enable_address_interrupt(struct snd_ali *codec) { unsigned int gc; @@ -622,7 +546,7 @@ static void snd_ali_enable_address_interrupt(struct snd_ali * codec) outl( gc, ALI_REG(codec, ALI_GC_CIR)); } -static void snd_ali_disable_address_interrupt(struct snd_ali * codec) +static void snd_ali_disable_address_interrupt(struct snd_ali *codec) { unsigned int gc; @@ -632,8 +556,9 @@ static void snd_ali_disable_address_interrupt(struct snd_ali * codec) 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) +#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); @@ -641,13 +566,14 @@ static void snd_ali_enable_voice_irq(struct snd_ali *codec, unsigned int channel 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 = inl(ALI_REG(codec, pchregs->regs.ainten)); pchregs->data.ainten |= mask; - outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); + 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) +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); @@ -655,9 +581,9 @@ static void snd_ali_disable_voice_irq(struct snd_ali *codec, unsigned int channe 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 = inl(ALI_REG(codec, pchregs->regs.ainten)); pchregs->data.ainten &= ~mask; - outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); + outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); } static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) @@ -665,7 +591,8 @@ 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"); + snd_printk(KERN_ERR + "ali_alloc_pcm_channel: no free channels.\n"); return -1; } @@ -685,35 +612,41 @@ static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm"); - // recording + /* recording */ if (rec) { if (codec->spdif_support && - (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_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) { + result = snd_ali_alloc_pcm_channel(codec, idx); + if (result >= 0) return result; - } else { - snd_printk(KERN_ERR "ali_find_free_channel: record channel is busy now.\n"); + else { + snd_printk(KERN_ERR "ali_find_free_channel: " + "record channel is busy now.\n"); return -1; } } - //playback... + /* playback... */ if (codec->spdif_support && - (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) { + (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) { + result = snd_ali_alloc_pcm_channel(codec, idx); + if (result >= 0) return result; - } else { - snd_printk(KERN_ERR "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); - } + 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) + result = snd_ali_alloc_pcm_channel(codec, idx); + if (result >= 0) return result; } snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n"); @@ -730,7 +663,8 @@ static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) return; if (!(codec->synth.chmap & (1 << idx))) { - snd_printk(KERN_ERR "ali_free_channel_pcm: channel %d is not in use.\n",channel); + snd_printk(KERN_ERR "ali_free_channel_pcm: " + "channel %d is not in use.\n", channel); return; } else { codec->synth.chmap &= ~(1 << idx); @@ -738,8 +672,8 @@ static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) } } -#if 0 // not used -static void snd_ali_start_voice(struct snd_ali * codec, unsigned int channel) +#if 0 /* not used */ +static void snd_ali_start_voice(struct snd_ali *codec, unsigned int channel) { unsigned int mask = 1 << (channel & 0x1f); @@ -748,7 +682,7 @@ static void snd_ali_start_voice(struct snd_ali * codec, unsigned int channel) } #endif -static void snd_ali_stop_voice(struct snd_ali * codec, unsigned int channel) +static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) { unsigned int mask = 1 << (channel & 0x1f); @@ -768,26 +702,27 @@ static void snd_ali_delay(struct snd_ali *codec,int interval) currenttimer = inl(ALI_REG(codec, ALI_STIMER)); while (currenttimer < begintimer + interval) { - if(snd_ali_stimer_ready(codec) < 0) + if (snd_ali_stimer_ready(codec) < 0) break; currenttimer = inl(ALI_REG(codec, ALI_STIMER)); + cpu_relax(); } } static void snd_ali_detect_spdif_rate(struct snd_ali *codec) { - u16 wval = 0; + u16 wval; u16 count = 0; - u8 bval = 0, R1 = 0, R2 = 0; + u8 bval, R1 = 0, R2; - bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); + bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); bval |= 0x1F; - outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1)); + outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1)); - while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) { + while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) { count ++; snd_ali_delay(codec, 6); - bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); + bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); R1 = bval & 0x1F; } @@ -801,7 +736,10 @@ static void snd_ali_detect_spdif_rate(struct snd_ali *codec) 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 (R2 != R1) + R1 = R2; + else + break; } if (count > 50000) { @@ -810,42 +748,45 @@ static void snd_ali_detect_spdif_rate(struct snd_ali *codec) } 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)); + wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); + wval &= 0xe0f0; + wval |= (0x09 << 8) | 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)); + 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)); + wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); + wval &= 0xe0f0; + wval |= (0x0e << 8) | 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)); + 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; + u32 dwRate; + u8 bval; - bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); - bval &= 0x7F; + bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); + bval &= 0x7f; bval |= 0x40; - outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL)); + 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; + 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; + switch (bval) { + case 0: dwRate = 44100; break; + case 1: dwRate = 48000; break; + case 2: dwRate = 32000; break; + default: dwRate = 0; break; + } return dwRate; } @@ -880,20 +821,22 @@ static void snd_ali_disable_spdif_in(struct snd_ali *codec) static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) { unsigned char bVal; - unsigned int dwRate = 0; + unsigned int dwRate; - if (rate == 32000) dwRate = 0x300; - if (rate == 44100) dwRate = 0; - if (rate == 48000) dwRate = 0x200; + switch (rate) { + case 32000: dwRate = 0x300; break; + case 48000: dwRate = 0x200; break; + default: dwRate = 0; break; + } bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); bVal &= (unsigned char)(~(1<<6)); - bVal |= 0x80; //select right + 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 + bVal &= ~0x80; /* select left */ outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); } @@ -902,8 +845,7 @@ static void snd_ali_enable_spdif_out(struct snd_ali *codec) { unsigned short wVal; unsigned char bVal; - - struct pci_dev *pci_dev = NULL; + struct pci_dev *pci_dev; pci_dev = codec->pci_m1533; if (pci_dev == NULL) @@ -926,17 +868,15 @@ static void snd_ali_enable_spdif_out(struct snd_ali *codec) 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); - } + 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; + unsigned short wVal; wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); wVal &= ~ALI_SPDIF_OUT_SEL_PCM; @@ -949,12 +889,13 @@ static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) wVal &= (~0x0002); outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); */ - snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); + 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; + unsigned short wVal; + wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); wVal |= ALI_SPDIF_OUT_SEL_PCM; outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); @@ -972,11 +913,11 @@ static void snd_ali_disable_spdif_out(struct snd_ali *codec) snd_ali_disable_spdif_chnout(codec); } -static void snd_ali_update_ptr(struct snd_ali *codec,int channel) +static void snd_ali_update_ptr(struct snd_ali *codec, int channel) { - struct snd_ali_voice *pvoice = NULL; + struct snd_ali_voice *pvoice; struct snd_pcm_runtime *runtime; - struct snd_ali_channel_control *pchregs = NULL; + struct snd_ali_channel_control *pchregs; unsigned int old, mask; #ifdef ALI_DEBUG unsigned int temp, cspf; @@ -984,9 +925,9 @@ static void snd_ali_update_ptr(struct snd_ali *codec,int channel) pchregs = &(codec->chregs); - // check if interrupt occurred for channel + /* check if interrupt occurred for channel */ old = pchregs->data.aint; - mask = ((unsigned int) 1L) << (channel & 0x1f); + mask = 1U << (channel & 0x1f); if (!(old & mask)) return; @@ -1005,7 +946,8 @@ static void snd_ali_update_ptr(struct snd_ali *codec,int channel) 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); + 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); @@ -1027,49 +969,47 @@ static void snd_ali_update_ptr(struct snd_ali *codec,int channel) pchregs->data.aint = old & (~mask); } -static void snd_ali_interrupt(struct snd_ali * codec) +static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id) { + struct snd_ali *codec = dev_id; int channel; unsigned int audio_int; - struct snd_ali_channel_control *pchregs = NULL; - pchregs = &(codec->chregs); + struct snd_ali_channel_control *pchregs; + + if (codec == NULL || !codec->hw_initialized) + return IRQ_NONE; audio_int = inl(ALI_REG(codec, ALI_MISCINT)); + if (!audio_int) + return IRQ_NONE; + + pchregs = &(codec->chregs); 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++) { + /* 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 snd_ali *codec = dev_id; + ALI_REG(codec, ALI_MISCINT)); - 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) +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; + struct snd_ali_voice *pvoice; int idx; - snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec); + 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) { + if (idx < 0) { snd_printk(KERN_ERR "ali_alloc_voice: err.\n"); spin_unlock_irq(&codec->voice_alloc); return NULL; @@ -1087,7 +1027,8 @@ static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, int typ } -static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvoice) +static void snd_ali_free_voice(struct snd_ali * codec, + struct snd_ali_voice *pvoice) { void (*private_free)(void *); void *private_data; @@ -1101,9 +1042,8 @@ static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvo private_data = pvoice->private_data; pvoice->private_free = NULL; pvoice->private_data = NULL; - if (pvoice->pcm) { + 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); @@ -1112,9 +1052,9 @@ static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvo } -static void snd_ali_clear_voices(struct snd_ali * codec, - unsigned int v_min, - unsigned int v_max) +static void snd_ali_clear_voices(struct snd_ali *codec, + unsigned int v_min, + unsigned int v_max) { unsigned int i; @@ -1124,7 +1064,7 @@ static void snd_ali_clear_voices(struct snd_ali * codec, } } -static void snd_ali_write_voice_regs(struct snd_ali * codec, +static void snd_ali_write_voice_regs(struct snd_ali *codec, unsigned int Channel, unsigned int LBA, unsigned int CSO, @@ -1139,7 +1079,7 @@ static void snd_ali_write_voice_regs(struct snd_ali * codec, { unsigned int ctlcmds[4]; - outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR)); + outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR)); ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); ctlcmds[1] = LBA; @@ -1152,10 +1092,10 @@ static void snd_ali_write_voice_regs(struct snd_ali * codec, 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(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 */ @@ -1165,8 +1105,10 @@ 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 (rate < 4000) + rate = 4000; + if (rate > 48000) + rate = 48000; if (rec) { if (rate == 44100) @@ -1201,11 +1143,11 @@ static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) */ CTRL = 0x00000001; if (snd_pcm_format_width(runtime->format) == 16) - CTRL |= 0x00000008; // 16-bit data + CTRL |= 0x00000008; /* 16-bit data */ if (!snd_pcm_format_unsigned(runtime->format)) - CTRL |= 0x00000002; // signed data + CTRL |= 0x00000002; /* signed data */ if (runtime->channels > 1) - CTRL |= 0x00000004; // stereo data + CTRL |= 0x00000004; /* stereo data */ return CTRL; } @@ -1213,12 +1155,6 @@ static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) * 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) @@ -1226,17 +1162,19 @@ static int snd_ali_trigger(struct snd_pcm_substream *substream, struct snd_ali *codec = snd_pcm_substream_chip(substream); struct snd_pcm_substream *s; unsigned int what, whati, capture_flag; - struct snd_ali_voice *pvoice = NULL, *evoice = NULL; + struct snd_ali_voice *pvoice, *evoice; unsigned int val; int do_start; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: - do_start = 1; break; + do_start = 1; + break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: - do_start = 0; break; + do_start = 0; + break; default: return -EINVAL; } @@ -1247,9 +1185,9 @@ static int snd_ali_trigger(struct snd_pcm_substream *substream, pvoice = s->runtime->private_data; evoice = pvoice->extra; what |= 1 << (pvoice->number & 0x1f); - if (evoice == NULL) { + if (evoice == NULL) whati |= 1 << (pvoice->number & 0x1f); - } else { + else { whati |= 1 << (evoice->number & 0x1f); what |= 1 << (evoice->number & 0x1f); } @@ -1268,48 +1206,51 @@ static int snd_ali_trigger(struct snd_pcm_substream *substream, } } spin_lock(&codec->reg_lock); - if (! do_start) { + if (!do_start) outl(what, ALI_REG(codec, ALI_STOP)); - } val = inl(ALI_REG(codec, ALI_AINTEN)); - if (do_start) { + if (do_start) val |= whati; - } else { + else val &= ~whati; - } outl(val, ALI_REG(codec, ALI_AINTEN)); - if (do_start) { + if (do_start) outl(what, ALI_REG(codec, ALI_START)); - } - snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati); + 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_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; + + 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) + if (params_buffer_size(hw_params) / 2 != + params_period_size(hw_params)) { + if (!evoice) { + evoice = snd_ali_alloc_voice(codec, + SNDRV_ALI_VOICE_TYPE_PCM, + 0, -1); + if (!evoice) return -ENOMEM; pvoice->extra = evoice; evoice->substream = substream; } } else { - if (evoice != NULL) { + if (!evoice) { snd_ali_free_voice(codec, evoice); pvoice->extra = evoice = NULL; } @@ -1326,7 +1267,7 @@ static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL; snd_pcm_lib_free_pages(substream); - if (evoice != NULL) { + if (!evoice) { snd_ali_free_voice(codec, evoice); pvoice->extra = NULL; } @@ -1334,9 +1275,10 @@ static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) } static int snd_ali_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) + struct snd_pcm_hw_params *hw_params) { - return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(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) @@ -1367,12 +1309,13 @@ static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) /* 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)) + 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)) { + (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; } @@ -1386,7 +1329,8 @@ static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) /* set target ESO for channel */ pvoice->eso = runtime->buffer_size; - snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count); + 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; @@ -1397,35 +1341,37 @@ static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) 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) { + snd_ali_printk("playback_prepare:\n"); + snd_ali_printk("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) { 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); + evoice->number, + LBA, + 0, /* cso */ + ESO, + Delta, + 0, /* alpha */ + GVSEL, + 0x7f, + 0x3ff, + CTRL, + EC); } spin_unlock_irq(&codec->reg_lock); return 0; @@ -1457,7 +1403,7 @@ static int snd_ali_prepare(struct snd_pcm_substream *substream) pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); - // Prepare capture intr channel + /* Prepare capture intr channel */ if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { unsigned int rate; @@ -1468,7 +1414,8 @@ static int snd_ali_prepare(struct snd_pcm_substream *substream) rate = snd_ali_get_spdif_in_rate(codec); if (rate == 0) { - snd_printk(KERN_WARNING "ali_capture_preapre: spdif rate detect err!\n"); + snd_printk(KERN_WARNING "ali_capture_preapre: " + "spdif rate detect err!\n"); rate = 48000; } spin_lock_irq(&codec->reg_lock); @@ -1479,19 +1426,19 @@ static int snd_ali_prepare(struct snd_pcm_substream *substream) } if (rate != 48000) - Delta = ((rate << 12)/runtime->rate)&0x00ffff; + Delta = ((rate << 12) / runtime->rate) & 0x00ffff; } - // set target ESO for channel + /* set target ESO for channel */ pvoice->eso = runtime->buffer_size; - // set interrupt count size + /* set interrupt count size */ pvoice->count = runtime->period_size; - // set Loop Back Address + /* set Loop Back Address */ LBA = runtime->dma_addr; - // set ESO to capture first MIDLP interrupt + /* set ESO to capture first MIDLP interrupt */ ESO = pvoice->eso - 1; CTRL = snd_ali_control_mode(substream); GVSEL = 0; @@ -1512,14 +1459,14 @@ static int snd_ali_prepare(struct snd_pcm_substream *substream) CTRL, EC); - spin_unlock_irq(&codec->reg_lock); return 0; } -static snd_pcm_uframes_t snd_ali_playback_pointer(struct snd_pcm_substream *substream) +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; @@ -1561,14 +1508,14 @@ static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) 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, + .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, @@ -1587,14 +1534,14 @@ static struct snd_pcm_hardware snd_ali_playback = 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, + .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, @@ -1618,15 +1565,16 @@ static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) } } -static int snd_ali_open(struct snd_pcm_substream *substream, int rec, int channel, - struct snd_pcm_hardware *phw) +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) + pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, + channel); + if (!pvoice) return -EAGAIN; pvoice->substream = substream; @@ -1635,7 +1583,8 @@ static int snd_ali_open(struct snd_pcm_substream *substream, int rec, int channe runtime->hw = *phw; snd_pcm_set_sync(substream); - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, + 0, 64*1024); return 0; } @@ -1667,7 +1616,7 @@ static int snd_ali_close(struct snd_pcm_substream *substream) static struct snd_pcm_ops snd_ali_playback_ops = { .open = snd_ali_playback_open, .close = snd_ali_playback_close, - .ioctl = snd_ali_ioctl, + .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_ali_playback_hw_params, .hw_free = snd_ali_playback_hw_free, .prepare = snd_ali_playback_prepare, @@ -1678,7 +1627,7 @@ static struct snd_pcm_ops snd_ali_playback_ops = { static struct snd_pcm_ops snd_ali_capture_ops = { .open = snd_ali_capture_open, .close = snd_ali_close, - .ioctl = snd_ali_ioctl, + .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_ali_hw_params, .hw_free = snd_ali_hw_free, .prepare = snd_ali_prepare, @@ -1695,20 +1644,22 @@ static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, { 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_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, + .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, @@ -1721,15 +1672,17 @@ static struct snd_pcm_hardware snd_ali_modem = .fifo_size = 0, }; -static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, int channel) +static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, + int channel) { - static unsigned int rates [] = {8000,9600,12000,16000}; + 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, @@ -1786,7 +1739,8 @@ static void snd_ali_pcm_free(struct snd_pcm *pcm) } -static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, struct ali_pcm_description *desc) +static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, + struct ali_pcm_description *desc) { struct snd_pcm *pcm; int err; @@ -1800,12 +1754,15 @@ static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, struct ali_ 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); + 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_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); + snd_dma_pci_data(codec->pci), + 64*1024, 128*1024); pcm->info_flags = 0; pcm->dev_class = desc->class; @@ -1816,16 +1773,29 @@ static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, struct ali_ } 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 } + { .name = "ALI 5451", + .playback_num = ALI_CHANNELS, + .capture_num = 1, + .playback_ops = &snd_ali_playback_ops, + .capture_ops = &snd_ali_capture_ops + }, + { .name = "ALI 5451 modem", + .playback_num = 1, + .capture_num = 1, + .playback_ops = &snd_ali_modem_playback_ops, + .capture_ops = &snd_ali_modem_capture_ops, + .class = 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) + for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) { + err = snd_ali_pcm(codec, i, &ali_pcms[i]); + if (err < 0) return err; + } return 0; } @@ -1835,7 +1805,8 @@ static int __devinit snd_ali_build_pcms(struct snd_ali *codec) .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) +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; @@ -1844,7 +1815,8 @@ static int snd_ali5451_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_ return 0; } -static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +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; @@ -1852,12 +1824,13 @@ static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_e enable = ucontrol->value.integer.value[0] ? 1 : 0; spin_lock_irq(&codec->reg_lock); - switch(kcontrol->private_value) { + 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; + enable = ((codec->spdif_mask & 0x02) && + (codec->spdif_mask & 0x04)) ? 1 : 0; break; case 2: enable = (codec->spdif_mask & 0x01) ? 1 : 0; @@ -1870,7 +1843,8 @@ static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_e return 0; } -static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +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; @@ -1937,18 +1911,6 @@ static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = { 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; @@ -1959,19 +1921,20 @@ static int __devinit snd_ali_mixer(struct snd_ali * codec) .read = snd_ali_codec_read, }; - if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0) + err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus); + if (err < 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++) { + 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) + err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]); + if (err < 0) { + snd_printk(KERN_ERR + "ali mixer %d creating error.\n", i); + if (i == 0) return err; codec->num_of_codecs = 1; break; @@ -1979,9 +1942,11 @@ static int __devinit snd_ali_mixer(struct snd_ali * codec) } 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; + 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; @@ -1996,11 +1961,11 @@ static int ali_suspend(struct pci_dev *pci, pm_message_t state) int i, j; im = chip->image; - if (! im) + if (!im) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - for(i = 0 ; i < chip->num_of_codecs ; i++) { + for (i = 0; i < chip->num_of_codecs; i++) { snd_pcm_suspend_all(chip->pcm[i]); snd_ac97_suspend(chip->ac97[i]); } @@ -2008,10 +1973,10 @@ static int ali_suspend(struct pci_dev *pci, pm_message_t state) 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_START >> 2] = inl(ALI_REG(chip, ALI_START)); */ im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); - // disable all IRQ bits + /* disable all IRQ bits */ outl(0, ALI_REG(chip, ALI_MISCINT)); for (i = 0; i < ALI_GLOBAL_REGS; i++) { @@ -2026,7 +1991,7 @@ static int ali_suspend(struct pci_dev *pci, pm_message_t state) im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); } - // stop all HW channel + /* stop all HW channel */ outl(0xffffffff, ALI_REG(chip, ALI_STOP)); spin_unlock_irq(&chip->reg_lock); @@ -2045,7 +2010,7 @@ static int ali_resume(struct pci_dev *pci) int i, j; im = chip->image; - if (! im) + if (!im) return 0; pci_set_power_state(pci, PCI_D0); @@ -2067,19 +2032,20 @@ static int ali_resume(struct pci_dev *pci) } for (i = 0; i < ALI_GLOBAL_REGS; i++) { - if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START)) + 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 + /* start HW channel */ outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); - // restore IRQ enable bits + /* 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++) + for (i = 0 ; i < chip->num_of_codecs; i++) snd_ac97_resume(chip->ac97[i]); snd_power_change_state(card, SNDRV_CTL_POWER_D0); @@ -2111,7 +2077,7 @@ static int snd_ali_chip_init(struct snd_ali *codec) { unsigned int legacy; unsigned char temp; - struct pci_dev *pci_dev = NULL; + struct pci_dev *pci_dev; snd_ali_printk("chip initializing ... \n"); @@ -2144,7 +2110,8 @@ static int snd_ali_chip_init(struct snd_ali *codec) 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); + 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; @@ -2156,8 +2123,9 @@ static int snd_ali_chip_init(struct snd_ali *codec) 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)); + (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"); @@ -2166,18 +2134,19 @@ static int snd_ali_chip_init(struct snd_ali *codec) } /* proc for register dump */ -static void snd_ali_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buf) +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) + 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)) + if (!snd_card_proc_new(codec->card, "ali5451", &entry)) snd_info_set_text_ops(entry, codec, snd_ali_proc_read); } @@ -2186,7 +2155,8 @@ 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) + err = pci_request_regions(codec->pci, "ALI 5451"); + if (err < 0) return err; codec->port = pci_resource_start(codec->pci, 0); @@ -2199,9 +2169,9 @@ static int __devinit snd_ali_resources(struct snd_ali *codec) snd_ali_printk("resouces allocated.\n"); return 0; } -static int snd_ali_dev_free(struct snd_device *device) +static int snd_ali_dev_free(struct snd_device *device) { - struct snd_ali *codec=device->device_data; + struct snd_ali *codec = device->device_data; snd_ali_free(codec); return 0; } @@ -2224,17 +2194,20 @@ static int __devinit snd_ali_create(struct snd_card *card, snd_ali_printk("creating ...\n"); /* enable PCI device */ - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 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"); + 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) { + codec = kzalloc(sizeof(*codec), GFP_KERNEL); + if (!codec) { pci_disable_device(pci); return -ENOMEM; } @@ -2291,21 +2264,22 @@ static int __devinit snd_ali_create(struct snd_card *card, /* M1533: southbridge */ codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); - if (! codec->pci_m1533) { + 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) { + 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) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops); + if (err < 0) { snd_ali_free(codec); return err; } @@ -2313,18 +2287,18 @@ static int __devinit snd_ali_create(struct snd_card *card, snd_card_set_dev(card, &pci->dev); /* initialise synth voices*/ - for (i = 0; i < ALI_CHANNELS; i++ ) { + for (i = 0; i < ALI_CHANNELS; i++) codec->synth.voices[i].number = i; - } - if ((err = snd_ali_chip_init(codec)) < 0) { + err = snd_ali_chip_init(codec); + if (err < 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) + if (!codec->image) snd_printk(KERN_WARNING "can't allocate apm buffer\n"); #endif @@ -2346,26 +2320,23 @@ static int __devinit snd_ali_probe(struct pci_dev *pci, snd_ali_printk("probe ...\n"); card = snd_card_new(index, id, THIS_MODULE, 0); - if (card == NULL) + if (!card) return -ENOMEM; - if ((err = snd_ali_create(card, pci, pcm_channels, spdif, &codec)) < 0) { - snd_card_free(card); - return err; - } + err = snd_ali_create(card, pci, pcm_channels, spdif, &codec); + if (err < 0) + goto error; card->private_data = codec; snd_ali_printk("mixer building ...\n"); - if ((err = snd_ali_mixer(codec)) < 0) { - snd_card_free(card); - return err; - } + err = snd_ali_mixer(codec); + if (err < 0) + goto error; snd_ali_printk("pcm building ...\n"); - if ((err = snd_ali_build_pcms(codec)) < 0) { - snd_card_free(card); - return err; - } + err = snd_ali_build_pcms(codec); + if (err < 0) + goto error; snd_ali_proc_init(codec); @@ -2376,12 +2347,16 @@ static int __devinit snd_ali_probe(struct pci_dev *pci, 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; - } + err = snd_card_register(card); + if (err < 0) + goto error; + pci_set_drvdata(pci, card); return 0; + + error: + snd_card_free(card); + return err; } static void __devexit snd_ali_remove(struct pci_dev *pci) |