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2188 lines
53 KiB
2188 lines
53 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Matt Wu <[email protected]> |
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* Apr 26, 2001 |
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* Routines for control of ALi pci audio M5451 |
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* |
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* BUGS: |
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* -- |
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* |
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* TODO: |
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* -- |
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*/ |
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#include <linux/io.h> |
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#include <linux/delay.h> |
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#include <linux/interrupt.h> |
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#include <linux/init.h> |
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#include <linux/pci.h> |
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#include <linux/slab.h> |
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#include <linux/module.h> |
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#include <linux/dma-mapping.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/info.h> |
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#include <sound/ac97_codec.h> |
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#include <sound/mpu401.h> |
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#include <sound/initval.h> |
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MODULE_AUTHOR("Matt Wu <[email protected]>"); |
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MODULE_DESCRIPTION("ALI M5451"); |
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MODULE_LICENSE("GPL"); |
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static int index = SNDRV_DEFAULT_IDX1; /* Index */ |
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static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ |
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static int pcm_channels = 32; |
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static bool spdif; |
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module_param(index, int, 0444); |
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MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); |
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module_param(id, charp, 0444); |
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MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); |
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module_param(pcm_channels, int, 0444); |
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MODULE_PARM_DESC(pcm_channels, "PCM Channels"); |
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module_param(spdif, bool, 0444); |
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MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); |
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/* just for backward compatibility */ |
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static bool enable; |
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module_param(enable, bool, 0444); |
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/* |
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* Constants definition |
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*/ |
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#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) |
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#define ALI_CHANNELS 32 |
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#define ALI_PCM_IN_CHANNEL 31 |
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#define ALI_SPDIF_IN_CHANNEL 19 |
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#define ALI_SPDIF_OUT_CHANNEL 15 |
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#define ALI_CENTER_CHANNEL 24 |
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#define ALI_LEF_CHANNEL 23 |
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#define ALI_SURR_LEFT_CHANNEL 26 |
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#define ALI_SURR_RIGHT_CHANNEL 25 |
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#define ALI_MODEM_IN_CHANNEL 21 |
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#define ALI_MODEM_OUT_CHANNEL 20 |
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#define SNDRV_ALI_VOICE_TYPE_PCM 01 |
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#define SNDRV_ALI_VOICE_TYPE_OTH 02 |
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#define ALI_5451_V02 0x02 |
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/* |
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* Direct Registers |
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*/ |
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#define ALI_LEGACY_DMAR0 0x00 /* ADR0 */ |
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#define ALI_LEGACY_DMAR4 0x04 /* CNT0 */ |
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#define ALI_LEGACY_DMAR11 0x0b /* MOD */ |
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#define ALI_LEGACY_DMAR15 0x0f /* MMR */ |
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#define ALI_MPUR0 0x20 |
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#define ALI_MPUR1 0x21 |
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#define ALI_MPUR2 0x22 |
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#define ALI_MPUR3 0x23 |
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#define ALI_AC97_WRITE 0x40 |
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#define ALI_AC97_READ 0x44 |
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#define ALI_SCTRL 0x48 |
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#define ALI_SPDIF_OUT_ENABLE 0x20 |
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#define ALI_SCTRL_LINE_IN2 (1 << 9) |
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#define ALI_SCTRL_GPIO_IN2 (1 << 13) |
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#define ALI_SCTRL_LINE_OUT_EN (1 << 20) |
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#define ALI_SCTRL_GPIO_OUT_EN (1 << 23) |
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#define ALI_SCTRL_CODEC1_READY (1 << 24) |
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#define ALI_SCTRL_CODEC2_READY (1 << 25) |
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#define ALI_AC97_GPIO 0x4c |
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#define ALI_AC97_GPIO_ENABLE 0x8000 |
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#define ALI_AC97_GPIO_DATA_SHIFT 16 |
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#define ALI_SPDIF_CS 0x70 |
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#define ALI_SPDIF_CTRL 0x74 |
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#define ALI_SPDIF_IN_FUNC_ENABLE 0x02 |
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#define ALI_SPDIF_IN_CH_STATUS 0x40 |
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#define ALI_SPDIF_OUT_CH_STATUS 0xbf |
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#define ALI_START 0x80 |
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#define ALI_STOP 0x84 |
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#define ALI_CSPF 0x90 |
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#define ALI_AINT 0x98 |
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#define ALI_GC_CIR 0xa0 |
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#define ENDLP_IE 0x00001000 |
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#define MIDLP_IE 0x00002000 |
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#define ALI_AINTEN 0xa4 |
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#define ALI_VOLUME 0xa8 |
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#define ALI_SBDELTA_DELTA_R 0xac |
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#define ALI_MISCINT 0xb0 |
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#define ADDRESS_IRQ 0x00000020 |
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#define TARGET_REACHED 0x00008000 |
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#define MIXER_OVERFLOW 0x00000800 |
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#define MIXER_UNDERFLOW 0x00000400 |
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#define GPIO_IRQ 0x01000000 |
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#define ALI_SBBL_SBCL 0xc0 |
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#define ALI_SBCTRL_SBE2R_SBDD 0xc4 |
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#define ALI_STIMER 0xc8 |
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#define ALI_GLOBAL_CONTROL 0xd4 |
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#define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ |
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#define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ |
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#define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ |
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#define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ |
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#define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ |
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#define ALI_CSO_ALPHA_FMS 0xe0 |
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#define ALI_LBA 0xe4 |
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#define ALI_ESO_DELTA 0xe8 |
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#define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 |
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#define ALI_EBUF1 0xf4 |
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#define ALI_EBUF2 0xf8 |
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#define ALI_REG(codec, x) ((codec)->port + x) |
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#define MAX_CODECS 2 |
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struct snd_ali; |
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struct snd_ali_voice; |
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struct snd_ali_channel_control { |
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/* register data */ |
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struct REGDATA { |
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unsigned int start; |
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unsigned int stop; |
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unsigned int aint; |
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unsigned int ainten; |
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} data; |
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/* register addresses */ |
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struct REGS { |
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unsigned int start; |
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unsigned int stop; |
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unsigned int aint; |
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unsigned int ainten; |
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unsigned int ac97read; |
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unsigned int ac97write; |
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} regs; |
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}; |
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struct snd_ali_voice { |
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unsigned int number; |
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unsigned int use :1, |
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pcm :1, |
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midi :1, |
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mode :1, |
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synth :1, |
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running :1; |
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/* PCM data */ |
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struct snd_ali *codec; |
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struct snd_pcm_substream *substream; |
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struct snd_ali_voice *extra; |
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int eso; /* final ESO value for channel */ |
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int count; /* runtime->period_size */ |
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/* --- */ |
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void *private_data; |
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void (*private_free)(void *private_data); |
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}; |
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struct snd_alidev { |
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struct snd_ali_voice voices[ALI_CHANNELS]; |
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unsigned int chcnt; /* num of opened channels */ |
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unsigned int chmap; /* bitmap for opened channels */ |
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unsigned int synthcount; |
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}; |
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#define ALI_GLOBAL_REGS 56 |
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#define ALI_CHANNEL_REGS 8 |
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struct snd_ali_image { |
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u32 regs[ALI_GLOBAL_REGS]; |
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u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; |
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}; |
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struct snd_ali { |
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int irq; |
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unsigned long port; |
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unsigned char revision; |
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unsigned int hw_initialized :1; |
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unsigned int spdif_support :1; |
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struct pci_dev *pci; |
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struct pci_dev *pci_m1533; |
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struct pci_dev *pci_m7101; |
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struct snd_card *card; |
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struct snd_pcm *pcm[MAX_CODECS]; |
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struct snd_alidev synth; |
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struct snd_ali_channel_control chregs; |
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/* S/PDIF Mask */ |
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unsigned int spdif_mask; |
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unsigned int spurious_irq_count; |
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unsigned int spurious_irq_max_delta; |
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unsigned int num_of_codecs; |
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struct snd_ac97_bus *ac97_bus; |
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struct snd_ac97 *ac97[MAX_CODECS]; |
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unsigned short ac97_ext_id; |
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unsigned short ac97_ext_status; |
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spinlock_t reg_lock; |
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spinlock_t voice_alloc; |
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#ifdef CONFIG_PM_SLEEP |
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struct snd_ali_image *image; |
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#endif |
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}; |
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static const struct pci_device_id snd_ali_ids[] = { |
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{PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, |
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{0, } |
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}; |
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MODULE_DEVICE_TABLE(pci, snd_ali_ids); |
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static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); |
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static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); |
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static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, |
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unsigned short); |
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/* |
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* AC97 ACCESS |
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*/ |
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static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, |
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unsigned int port) |
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{ |
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return (unsigned int)inl(ALI_REG(codec, port)); |
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} |
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static inline void snd_ali_5451_poke(struct snd_ali *codec, |
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unsigned int port, |
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unsigned int val) |
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{ |
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outl((unsigned int)val, ALI_REG(codec, port)); |
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} |
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static int snd_ali_codec_ready(struct snd_ali *codec, |
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unsigned int port) |
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{ |
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unsigned long end_time; |
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unsigned int res; |
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end_time = jiffies + msecs_to_jiffies(250); |
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for (;;) { |
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res = snd_ali_5451_peek(codec,port); |
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if (!(res & 0x8000)) |
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return 0; |
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if (!time_after_eq(end_time, jiffies)) |
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break; |
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schedule_timeout_uninterruptible(1); |
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} |
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snd_ali_5451_poke(codec, port, res & ~0x8000); |
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dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n "); |
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return -EIO; |
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} |
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static int snd_ali_stimer_ready(struct snd_ali *codec) |
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{ |
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unsigned long end_time; |
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unsigned long dwChk1,dwChk2; |
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dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); |
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end_time = jiffies + msecs_to_jiffies(250); |
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for (;;) { |
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dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); |
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if (dwChk2 != dwChk1) |
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return 0; |
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if (!time_after_eq(end_time, jiffies)) |
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break; |
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schedule_timeout_uninterruptible(1); |
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} |
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dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n"); |
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return -EIO; |
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} |
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static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, |
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unsigned short reg, |
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unsigned short val) |
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{ |
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unsigned int dwVal; |
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unsigned int port; |
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if (reg >= 0x80) { |
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dev_err(codec->card->dev, |
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"ali_codec_poke: reg(%xh) invalid.\n", reg); |
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return; |
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} |
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port = codec->chregs.regs.ac97write; |
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if (snd_ali_codec_ready(codec, port) < 0) |
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return; |
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if (snd_ali_stimer_ready(codec) < 0) |
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return; |
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dwVal = (unsigned int) (reg & 0xff); |
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dwVal |= 0x8000 | (val << 16); |
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if (secondary) |
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dwVal |= 0x0080; |
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if (codec->revision == ALI_5451_V02) |
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dwVal |= 0x0100; |
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snd_ali_5451_poke(codec, port, dwVal); |
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return ; |
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} |
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static unsigned short snd_ali_codec_peek(struct snd_ali *codec, |
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int secondary, |
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unsigned short reg) |
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{ |
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unsigned int dwVal; |
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unsigned int port; |
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if (reg >= 0x80) { |
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dev_err(codec->card->dev, |
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"ali_codec_peek: reg(%xh) invalid.\n", reg); |
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return ~0; |
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} |
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port = codec->chregs.regs.ac97read; |
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if (snd_ali_codec_ready(codec, port) < 0) |
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return ~0; |
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if (snd_ali_stimer_ready(codec) < 0) |
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return ~0; |
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dwVal = (unsigned int) (reg & 0xff); |
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dwVal |= 0x8000; /* bit 15*/ |
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if (secondary) |
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dwVal |= 0x0080; |
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snd_ali_5451_poke(codec, port, dwVal); |
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if (snd_ali_stimer_ready(codec) < 0) |
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return ~0; |
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if (snd_ali_codec_ready(codec, port) < 0) |
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return ~0; |
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return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16; |
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} |
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static void snd_ali_codec_write(struct snd_ac97 *ac97, |
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unsigned short reg, |
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unsigned short val ) |
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{ |
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struct snd_ali *codec = ac97->private_data; |
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dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val); |
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if (reg == AC97_GPIO_STATUS) { |
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outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE, |
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ALI_REG(codec, ALI_AC97_GPIO)); |
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return; |
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} |
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snd_ali_codec_poke(codec, ac97->num, reg, val); |
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return ; |
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} |
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static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, |
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unsigned short reg) |
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{ |
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struct snd_ali *codec = ac97->private_data; |
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dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg); |
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return snd_ali_codec_peek(codec, ac97->num, reg); |
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} |
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/* |
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* AC97 Reset |
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*/ |
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static int snd_ali_reset_5451(struct snd_ali *codec) |
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{ |
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struct pci_dev *pci_dev; |
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unsigned short wCount, wReg; |
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unsigned int dwVal; |
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pci_dev = codec->pci_m1533; |
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if (pci_dev) { |
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pci_read_config_dword(pci_dev, 0x7c, &dwVal); |
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pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); |
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mdelay(5); |
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pci_read_config_dword(pci_dev, 0x7c, &dwVal); |
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pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); |
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mdelay(5); |
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} |
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pci_dev = codec->pci; |
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pci_read_config_dword(pci_dev, 0x44, &dwVal); |
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pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); |
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udelay(500); |
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pci_read_config_dword(pci_dev, 0x44, &dwVal); |
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pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); |
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mdelay(5); |
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wCount = 200; |
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while(wCount--) { |
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wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); |
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if ((wReg & 0x000f) == 0x000f) |
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return 0; |
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mdelay(5); |
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} |
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/* non-fatal if you have a non PM capable codec */ |
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/* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */ |
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return 0; |
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} |
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/* |
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* ALI 5451 Controller |
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*/ |
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static void snd_ali_enable_special_channel(struct snd_ali *codec, |
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unsigned int channel) |
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{ |
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unsigned long dwVal; |
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dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
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dwVal |= 1 << (channel & 0x0000001f); |
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outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
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} |
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static void snd_ali_disable_special_channel(struct snd_ali *codec, |
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unsigned int channel) |
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{ |
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unsigned long dwVal; |
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dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
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dwVal &= ~(1 << (channel & 0x0000001f)); |
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outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); |
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} |
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static void snd_ali_enable_address_interrupt(struct snd_ali *codec) |
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{ |
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unsigned int gc; |
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gc = inl(ALI_REG(codec, ALI_GC_CIR)); |
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gc |= ENDLP_IE; |
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gc |= MIDLP_IE; |
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outl( gc, ALI_REG(codec, ALI_GC_CIR)); |
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} |
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static void snd_ali_disable_address_interrupt(struct snd_ali *codec) |
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{ |
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unsigned int gc; |
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gc = inl(ALI_REG(codec, ALI_GC_CIR)); |
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gc &= ~ENDLP_IE; |
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gc &= ~MIDLP_IE; |
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outl(gc, ALI_REG(codec, ALI_GC_CIR)); |
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} |
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static void snd_ali_disable_voice_irq(struct snd_ali *codec, |
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unsigned int channel) |
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{ |
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unsigned int mask; |
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struct snd_ali_channel_control *pchregs = &(codec->chregs); |
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dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel); |
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mask = 1 << (channel & 0x1f); |
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pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten)); |
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pchregs->data.ainten &= ~mask; |
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outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); |
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} |
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static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) |
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{ |
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unsigned int idx = channel & 0x1f; |
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|
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if (codec->synth.chcnt >= ALI_CHANNELS){ |
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dev_err(codec->card->dev, |
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"ali_alloc_pcm_channel: no free channels.\n"); |
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return -1; |
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} |
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if (!(codec->synth.chmap & (1 << idx))) { |
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codec->synth.chmap |= 1 << idx; |
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codec->synth.chcnt++; |
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dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx); |
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return idx; |
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} |
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return -1; |
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} |
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static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) |
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{ |
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int idx; |
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int result = -1; |
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dev_dbg(codec->card->dev, |
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"find_free_channel: for %s\n", rec ? "rec" : "pcm"); |
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|
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/* recording */ |
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if (rec) { |
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if (codec->spdif_support && |
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(inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & |
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ALI_SPDIF_IN_SUPPORT)) |
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idx = ALI_SPDIF_IN_CHANNEL; |
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else |
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idx = ALI_PCM_IN_CHANNEL; |
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result = snd_ali_alloc_pcm_channel(codec, idx); |
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if (result >= 0) |
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return result; |
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else { |
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dev_err(codec->card->dev, |
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"ali_find_free_channel: record channel is busy now.\n"); |
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return -1; |
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} |
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} |
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|
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/* playback... */ |
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if (codec->spdif_support && |
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(inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & |
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ALI_SPDIF_OUT_CH_ENABLE)) { |
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idx = ALI_SPDIF_OUT_CHANNEL; |
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result = snd_ali_alloc_pcm_channel(codec, idx); |
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if (result >= 0) |
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return result; |
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else |
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dev_err(codec->card->dev, |
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"ali_find_free_channel: S/PDIF out channel is in busy now.\n"); |
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} |
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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);
|
|
|