diff options
Diffstat (limited to 'sound/pci/ali5451')
| -rw-r--r-- | sound/pci/ali5451/Makefile | 10 | ||||
| -rw-r--r-- | sound/pci/ali5451/ali5451.c | 2188 |
2 files changed, 2198 insertions, 0 deletions
diff --git a/sound/pci/ali5451/Makefile b/sound/pci/ali5451/Makefile new file mode 100644 index 0000000000..8156198fba --- /dev/null +++ b/sound/pci/ali5451/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for ALSA +# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz> +# + +snd-ali5451-objs := ali5451.o + +# Toplevel Module Dependency +obj-$(CONFIG_SND_ALI5451) += snd-ali5451.o diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c new file mode 100644 index 0000000000..2378a39aba --- /dev/null +++ b/sound/pci/ali5451/ali5451.c @@ -0,0 +1,2188 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Matt Wu <Matt_Wu@acersoftech.com.cn> + * Apr 26, 2001 + * Routines for control of ALi pci audio M5451 + * + * BUGS: + * -- + * + * TODO: + * -- + */ + +#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"); + +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; + 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 = 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); + } + } + 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; + + /* 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; + + if (evoice) { + snd_ali_free_voice(codec, evoice); + pvoice->extra = NULL; + } + return 0; +} + +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 const 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 const 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, const 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, + .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, + .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 0; +} + +static const 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, + .hw_params = snd_ali_modem_hw_params, + .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, + .hw_params = snd_ali_modem_hw_params, + .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_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &codec->pci->dev, 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 const 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 const 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_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 void snd_ali_free(struct snd_card *card) +{ + struct snd_ali *codec = card->private_data; + + if (codec->hw_initialized) + snd_ali_disable_address_interrupt(codec); + pci_dev_put(codec->pci_m1533); + pci_dev_put(codec->pci_m7101); +} + +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) +{ + snd_card_ro_proc_new(codec->card, "ali5451", 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 (devm_request_irq(&codec->pci->dev, 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; + codec->card->sync_irq = codec->irq; + dev_dbg(codec->card->dev, "resources allocated.\n"); + return 0; +} + +static int snd_ali_create(struct snd_card *card, + struct pci_dev *pci, + int pcm_streams, + int spdif_support) +{ + struct snd_ali *codec = card->private_data; + int i, err; + unsigned short cmdw; + + dev_dbg(card->dev, "creating ...\n"); + + /* enable PCI device */ + err = pcim_enable_device(pci); + if (err < 0) + return err; + /* check, if we can restrict PCI DMA transfers to 31 bits */ + if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31))) { + dev_err(card->dev, + "architecture does not support 31bit PCI busmaster DMA\n"); + return -ENXIO; + } + + 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); + } + + if (snd_ali_resources(codec)) + return -EBUSY; + card->private_free = snd_ali_free; + + 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"); + 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"); + return -ENODEV; + } + + /* 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 = devm_kmalloc(&pci->dev, 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; + 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_devm_card_new(&pci->dev, index, id, THIS_MODULE, + sizeof(*codec), &card); + if (err < 0) + return err; + codec = card->private_data; + + err = snd_ali_create(card, pci, pcm_channels, spdif); + if (err < 0) + return err; + + dev_dbg(&pci->dev, "mixer building ...\n"); + err = snd_ali_mixer(codec); + if (err < 0) + return err; + + dev_dbg(&pci->dev, "pcm building ...\n"); + err = snd_ali_build_pcms(codec); + if (err < 0) + return err; + + 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) + return err; + + pci_set_drvdata(pci, card); + return 0; +} + +static int snd_ali_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + return snd_card_free_on_error(&pci->dev, __snd_ali_probe(pci, pci_id)); +} + +static struct pci_driver ali5451_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_ali_ids, + .probe = snd_ali_probe, + .driver = { + .pm = ALI_PM_OPS, + }, +}; + +module_pci_driver(ali5451_driver); |