| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jaroslav Kysela | 8785 | 79.44% | 31 | 39.74% |
| Takashi Iwai | 1153 | 10.43% | 21 | 26.92% |
| Sasha Khapyorsky | 964 | 8.72% | 2 | 2.56% |
| Bartlomiej Zolnierkiewicz | 28 | 0.25% | 1 | 1.28% |
| Clemens Ladisch | 17 | 0.15% | 2 | 2.56% |
| Jiri Slaby | 16 | 0.14% | 1 | 1.28% |
| Harvey Harrison | 14 | 0.13% | 1 | 1.28% |
| Yang Hongyang | 8 | 0.07% | 1 | 1.28% |
| Nishanth Aravamudan | 8 | 0.07% | 1 | 1.28% |
| Quentin Lambert | 8 | 0.07% | 1 | 1.28% |
| Arnd Bergmann | 8 | 0.07% | 1 | 1.28% |
| Andrew Morton | 7 | 0.06% | 1 | 1.28% |
| Jon Mason | 7 | 0.06% | 1 | 1.28% |
| Benoit Taine | 6 | 0.05% | 1 | 1.28% |
| Arvind Yadav | 6 | 0.05% | 1 | 1.28% |
| Alan Cox | 5 | 0.05% | 1 | 1.28% |
| Auke-Jan H Kok | 4 | 0.04% | 1 | 1.28% |
| Matthias Gehre | 3 | 0.03% | 1 | 1.28% |
| David S. Miller | 3 | 0.03% | 1 | 1.28% |
| Rusty Russell | 2 | 0.02% | 1 | 1.28% |
| Wolfram Sang | 2 | 0.02% | 1 | 1.28% |
| Thomas Gleixner | 1 | 0.01% | 1 | 1.28% |
| Colin Ian King | 1 | 0.01% | 1 | 1.28% |
| Paul Gortmaker | 1 | 0.01% | 1 | 1.28% |
| Pekka J Enberg | 1 | 0.01% | 1 | 1.28% |
| Denis Efremov | 1 | 0.01% | 1 | 1.28% |
| Total | 11059 | 78 |
/* * 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 <linux/io.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/module.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 bool spdif; 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 bool enable; module_param(enable, bool, 0444); /* * 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, running :1; /* PCM data */ struct snd_ali *codec; struct snd_pcm_substream *substream; struct snd_ali_voice *extra; 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; }; #define ALI_GLOBAL_REGS 56 #define ALI_CHANNEL_REGS 8 struct snd_ali_image { u32 regs[ALI_GLOBAL_REGS]; u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; }; struct snd_ali { int 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_SLEEP struct snd_ali_image *image; #endif }; static const struct pci_device_id snd_ali_ids[] = { {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); /* * 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); for (;;) { res = snd_ali_5451_peek(codec,port); if (!(res & 0x8000)) return 0; if (!time_after_eq(end_time, jiffies)) break; schedule_timeout_uninterruptible(1); } snd_ali_5451_poke(codec, port, res & ~0x8000); dev_dbg(codec->card->dev, "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); end_time = jiffies + msecs_to_jiffies(250); for (;;) { dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); if (dwChk2 != dwChk1) return 0; if (!time_after_eq(end_time, jiffies)) break; schedule_timeout_uninterruptible(1); } dev_err(codec->card->dev, "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; unsigned int port; if (reg >= 0x80) { dev_err(codec->card->dev, "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; unsigned int port; if (reg >= 0x80) { dev_err(codec->card->dev, "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; dev_dbg(codec->card->dev, "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; dev_dbg(codec->card->dev, "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; unsigned short wCount, wReg; unsigned int dwVal; 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); mdelay(5); pci_read_config_dword(pci_dev, 0x7c, &dwVal); pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); mdelay(5); } 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); mdelay(5); wCount = 200; while(wCount--) { wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); if ((wReg & 0x000f) == 0x000f) return 0; mdelay(5); } /* non-fatal if you have a non PM capable codec */ /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */ return 0; } /* * ALI 5451 Controller */ static void snd_ali_enable_special_channel(struct snd_ali *codec, unsigned int channel) { unsigned long dwVal; 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; 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)); } 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); dev_dbg(codec->card->dev, "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){ dev_err(codec->card->dev, "ali_alloc_pcm_channel: no free channels.\n"); return -1; } if (!(codec->synth.chmap & (1 << idx))) { codec->synth.chmap |= 1 << idx; codec->synth.chcnt++; dev_dbg(codec->card->dev, "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; dev_dbg(codec->card->dev, "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; result = snd_ali_alloc_pcm_channel(codec, idx); if (result >= 0) return result; else { dev_err(codec->card->dev, "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; result = snd_ali_alloc_pcm_channel(codec, idx); if (result >= 0) return result; else dev_err(codec->card->dev, "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); } for (idx = 0; idx < ALI_CHANNELS; idx++) { result = snd_ali_alloc_pcm_channel(codec, idx); if (result >= 0) return result; } dev_err(codec->card->dev, "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; dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel); if (channel < 0 || channel >= ALI_CHANNELS) return; if (!(codec->synth.chmap & (1 << idx))) { dev_err(codec->card->dev, "ali_free_channel_pcm: channel %d is not in use.\n", channel); return; } else { codec->synth.chmap &= ~(1 << idx); codec->synth.chcnt--; } } static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) { unsigned int mask = 1 << (channel & 0x1f); dev_dbg(codec->card->dev, "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)); cpu_relax(); } } static void snd_ali_detect_spdif_rate(struct snd_ali *codec) { u16 wval; u16 count = 0; u8 bval, R1 = 0, R2; 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) { dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n"); return; } for (count = 0; count <= 50000; count++) { 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) { dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n"); return; } if (R2 >= 0x0b && R2 <= 0x0e) { 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)); } else if (R2 == 0x12) { 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)); } } static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) { u32 dwRate; u8 bval; 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; switch (bval) { case 0: dwRate = 44100; break; case 1: dwRate = 48000; break; case 2: dwRate = 32000; break; default: dwRate = 0; break; } 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; 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 */ 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; 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; 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; 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; struct snd_ali_channel_control *pchregs; unsigned int old, mask; pchregs = &(codec->chregs); /* check if interrupt occurred for channel */ old = pchregs->data.aint; mask = 1U << (channel & 0x1f); if (!(old & mask)) return; pvoice = &codec->synth.voices[channel]; udelay(100); spin_lock(&codec->reg_lock); if (pvoice->pcm && pvoice->substream) { /* pcm interrupt */ if (pvoice->running) { dev_dbg(codec->card->dev, "update_ptr: cso=%4.4x cspf=%d.\n", inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)), (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask); 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 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; 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++) snd_ali_update_ptr(codec, channel); } outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), ALI_REG(codec, ALI_MISCINT)); 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; int idx; dev_dbg(codec->card->dev, "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) { dev_err(codec->card->dev, "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; dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number); if (!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_trigger(struct snd_pcm_substream *substream, int cmd) { 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, *evoice; 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_entry(s, substream) { 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)); dev_dbg(codec->card->dev, "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) { 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) { 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) { 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; dev_dbg(codec->card->dev, "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; dev_dbg(codec->card->dev, "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; dev_dbg(codec->card->dev, "playback_prepare:\n"); dev_dbg(codec->card->dev, "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, 0x7f, 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); dev_dbg(codec->card->dev, "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) { dev_warn(codec->card->dev, "ali_capture_prepare: 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)); dev_warn(codec->card->dev, "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); dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso); cso %= runtime->buffer_size; 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(&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); cso %= runtime->buffer_size; 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; if (pvoice) 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) 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 const struct snd_pcm_ops snd_ali_playback_ops = { .open = snd_ali_playback_open, .close = snd_ali_playback_close, .ioctl = snd_pcm_lib_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 const struct snd_pcm_ops snd_ali_capture_ops = { .open = snd_ali_capture_open, .close = snd_ali_close, .ioctl = snd_pcm_lib_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 const unsigned int rates[] = {8000, 9600, 12000, 16000}; static const 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 const 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 const 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; const struct snd_pcm_ops *playback_ops; const 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 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) { dev_err(codec->card->dev, "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[] = { { .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 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++) { err = snd_ali_pcm(codec, i, &ali_pcms[i]); if (err < 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} #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info 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 spdif_enable; spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; spin_lock_irq(&codec->reg_lock); switch (kcontrol->private_value) { case 0: spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0; break; case 1: spdif_enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0; break; case 2: spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0; break; default: break; } ucontrol->value.integer.value[0] = spdif_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, spdif_enable = 0; spdif_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 ^ spdif_enable; if (change) { if (spdif_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 ^ spdif_enable; if (change && (codec->spdif_mask & 0x02)) { if (spdif_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 ^ spdif_enable; if (change) { if (spdif_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[] = { /* 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 int 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, }; err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus); if (err < 0) return err; memset(&ac97, 0, sizeof(ac97)); ac97.private_data = codec; for (i = 0; i < codec->num_of_codecs; i++) { ac97.num = i; err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]); if (err < 0) { dev_err(codec->card->dev, "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_SLEEP static int ali_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); 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); return 0; } static int ali_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct snd_ali *chip = card->private_data; struct snd_ali_image *im; int i, j; im = chip->image; if (!im) return 0; 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; } static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume); #define ALI_PM_OPS &ali_pm #else #define ALI_PM_OPS NULL #endif /* CONFIG_PM_SLEEP */ static int snd_ali_free(struct snd_ali * codec) { if (codec->hw_initialized) snd_ali_disable_address_interrupt(codec); if (codec->irq >= 0) free_irq(codec->irq, codec); if (codec->port) pci_release_regions(codec->pci); pci_disable_device(codec->pci); #ifdef CONFIG_PM_SLEEP 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; dev_dbg(codec->card->dev, "chip initializing ...\n"); if (snd_ali_reset_5451(codec)) { dev_err(codec->card->dev, "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)); } dev_dbg(codec->card->dev, "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 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 snd_ali_resources(struct snd_ali *codec) { int err; dev_dbg(codec->card->dev, "resources allocation ...\n"); err = pci_request_regions(codec->pci, "ALI 5451"); if (err < 0) return err; codec->port = pci_resource_start(codec->pci, 0); if (request_irq(codec->pci->irq, snd_ali_card_interrupt, IRQF_SHARED, KBUILD_MODNAME, codec)) { dev_err(codec->card->dev, "Unable to request irq.\n"); return -EBUSY; } codec->irq = codec->pci->irq; dev_dbg(codec->card->dev, "resources 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 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; dev_dbg(card->dev, "creating ...\n"); /* enable PCI device */ err = pci_enable_device(pci); if (err < 0) return err; /* check, if we can restrict PCI DMA transfers to 31 bits */ if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 || dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) { dev_err(card->dev, "architecture does not support 31bit PCI busmaster DMA\n"); pci_disable_device(pci); return -ENXIO; } codec = kzalloc(sizeof(*codec), GFP_KERNEL); if (!codec) { 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; codec->revision = pci->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) { dev_err(card->dev, "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) { dev_err(card->dev, "cannot find ALi 7101 chip.\n"); snd_ali_free(codec); return -ENODEV; } dev_dbg(card->dev, "snd_device_new is called.\n"); err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops); if (err < 0) { snd_ali_free(codec); return err; } /* initialise synth voices*/ for (i = 0; i < ALI_CHANNELS; i++) codec->synth.voices[i].number = i; err = snd_ali_chip_init(codec); if (err < 0) { dev_err(card->dev, "ali create: chip init error.\n"); return err; } #ifdef CONFIG_PM_SLEEP codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); if (!codec->image) dev_warn(card->dev, "can't allocate apm buffer\n"); #endif snd_ali_enable_address_interrupt(codec); codec->hw_initialized = 1; *r_ali = codec; dev_dbg(card->dev, "created.\n"); return 0; } static int snd_ali_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { struct snd_card *card; struct snd_ali *codec; int err; dev_dbg(&pci->dev, "probe ...\n"); err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); if (err < 0) return err; err = snd_ali_create(card, pci, pcm_channels, spdif, &codec); if (err < 0) goto error; card->private_data = codec; dev_dbg(&pci->dev, "mixer building ...\n"); err = snd_ali_mixer(codec); if (err < 0) goto error; dev_dbg(&pci->dev, "pcm building ...\n"); err = snd_ali_build_pcms(codec); if (err < 0) goto error; snd_ali_proc_init(codec); strcpy(card->driver, "ALI5451"); strcpy(card->shortname, "ALI 5451"); sprintf(card->longname, "%s at 0x%lx, irq %i", card->shortname, codec->port, codec->irq); dev_dbg(&pci->dev, "register card.\n"); 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 snd_ali_remove(struct pci_dev *pci) { snd_card_free(pci_get_drvdata(pci)); } static struct pci_driver ali5451_driver = { .name = KBUILD_MODNAME, .id_table = snd_ali_ids, .probe = snd_ali_probe, .remove = snd_ali_remove, .driver = { .pm = ALI_PM_OPS, }, }; module_pci_driver(ali5451_driver);
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