2282 lines
56 KiB
C
2282 lines
56 KiB
C
/*
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* Matt Wu <Matt_Wu@acersoftech.com.cn>
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public Lcodecnse as published by
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* the Free Software Foundation; either version 2 of the Lcodecnse, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public Lcodecnse for more details.
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*
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* You should have received a copy of the GNU General Public Lcodecnse
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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 <Matt_Wu@acersoftech.com.cn>");
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MODULE_DESCRIPTION("ALI M5451");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
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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,
|
|
unsigned int channel)
|
|
{
|
|
unsigned int mask;
|
|
struct snd_ali_channel_control *pchregs = &(codec->chregs);
|
|
|
|
dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel);
|
|
|
|
mask = 1 << (channel & 0x1f);
|
|
pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
|
|
pchregs->data.ainten &= ~mask;
|
|
outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
|
|
}
|
|
|
|
static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
|
|
{
|
|
unsigned int idx = channel & 0x1f;
|
|
|
|
if (codec->synth.chcnt >= ALI_CHANNELS){
|
|
dev_err(codec->card->dev,
|
|
"ali_alloc_pcm_channel: no free channels.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!(codec->synth.chmap & (1 << idx))) {
|
|
codec->synth.chmap |= 1 << idx;
|
|
codec->synth.chcnt++;
|
|
dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx);
|
|
return idx;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
|
|
{
|
|
int idx;
|
|
int result = -1;
|
|
|
|
dev_dbg(codec->card->dev,
|
|
"find_free_channel: for %s\n", rec ? "rec" : "pcm");
|
|
|
|
/* recording */
|
|
if (rec) {
|
|
if (codec->spdif_support &&
|
|
(inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
|
|
ALI_SPDIF_IN_SUPPORT))
|
|
idx = ALI_SPDIF_IN_CHANNEL;
|
|
else
|
|
idx = ALI_PCM_IN_CHANNEL;
|
|
|
|
result = snd_ali_alloc_pcm_channel(codec, idx);
|
|
if (result >= 0)
|
|
return result;
|
|
else {
|
|
dev_err(codec->card->dev,
|
|
"ali_find_free_channel: record channel is busy now.\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* playback... */
|
|
if (codec->spdif_support &&
|
|
(inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
|
|
ALI_SPDIF_OUT_CH_ENABLE)) {
|
|
idx = ALI_SPDIF_OUT_CHANNEL;
|
|
result = snd_ali_alloc_pcm_channel(codec, idx);
|
|
if (result >= 0)
|
|
return result;
|
|
else
|
|
dev_err(codec->card->dev,
|
|
"ali_find_free_channel: S/PDIF out channel is in busy now.\n");
|
|
}
|
|
|
|
for (idx = 0; idx < ALI_CHANNELS; idx++) {
|
|
result = snd_ali_alloc_pcm_channel(codec, idx);
|
|
if (result >= 0)
|
|
return result;
|
|
}
|
|
dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n");
|
|
return -1;
|
|
}
|
|
|
|
static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
|
|
{
|
|
unsigned int idx = channel & 0x0000001f;
|
|
|
|
dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel);
|
|
|
|
if (channel < 0 || channel >= ALI_CHANNELS)
|
|
return;
|
|
|
|
if (!(codec->synth.chmap & (1 << idx))) {
|
|
dev_err(codec->card->dev,
|
|
"ali_free_channel_pcm: channel %d is not in use.\n",
|
|
channel);
|
|
return;
|
|
} else {
|
|
codec->synth.chmap &= ~(1 << idx);
|
|
codec->synth.chcnt--;
|
|
}
|
|
}
|
|
|
|
static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
|
|
{
|
|
unsigned int mask = 1 << (channel & 0x1f);
|
|
|
|
dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel);
|
|
outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
|
|
}
|
|
|
|
/*
|
|
* S/PDIF Part
|
|
*/
|
|
|
|
static void snd_ali_delay(struct snd_ali *codec,int interval)
|
|
{
|
|
unsigned long begintimer,currenttimer;
|
|
|
|
begintimer = inl(ALI_REG(codec, ALI_STIMER));
|
|
currenttimer = inl(ALI_REG(codec, ALI_STIMER));
|
|
|
|
while (currenttimer < begintimer + interval) {
|
|
if (snd_ali_stimer_ready(codec) < 0)
|
|
break;
|
|
currenttimer = inl(ALI_REG(codec, ALI_STIMER));
|
|
cpu_relax();
|
|
}
|
|
}
|
|
|
|
static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
|
|
{
|
|
u16 wval;
|
|
u16 count = 0;
|
|
u8 bval, R1 = 0, R2;
|
|
|
|
bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
|
|
bval |= 0x1F;
|
|
outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
|
|
|
|
while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
|
|
count ++;
|
|
snd_ali_delay(codec, 6);
|
|
bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
|
|
R1 = bval & 0x1F;
|
|
}
|
|
|
|
if (count > 50000) {
|
|
dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
|
|
return;
|
|
}
|
|
|
|
for (count = 0; count <= 50000; count++) {
|
|
snd_ali_delay(codec, 6);
|
|
bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
|
|
R2 = bval & 0x1F;
|
|
if (R2 != R1)
|
|
R1 = R2;
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (count > 50000) {
|
|
dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
|
|
return;
|
|
}
|
|
|
|
if (R2 >= 0x0b && R2 <= 0x0e) {
|
|
wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
|
|
wval &= 0xe0f0;
|
|
wval |= (0x09 << 8) | 0x05;
|
|
outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
|
|
|
|
bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
|
|
outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
|
|
} else if (R2 == 0x12) {
|
|
wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
|
|
wval &= 0xe0f0;
|
|
wval |= (0x0e << 8) | 0x08;
|
|
outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
|
|
|
|
bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
|
|
outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
|
|
}
|
|
}
|
|
|
|
static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
|
|
{
|
|
u32 dwRate;
|
|
u8 bval;
|
|
|
|
bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
bval &= 0x7f;
|
|
bval |= 0x40;
|
|
outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
|
|
snd_ali_detect_spdif_rate(codec);
|
|
|
|
bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
|
|
bval &= 0x0f;
|
|
|
|
switch (bval) {
|
|
case 0: dwRate = 44100; break;
|
|
case 1: dwRate = 48000; break;
|
|
case 2: dwRate = 32000; break;
|
|
default: dwRate = 0; break;
|
|
}
|
|
|
|
return dwRate;
|
|
}
|
|
|
|
static void snd_ali_enable_spdif_in(struct snd_ali *codec)
|
|
{
|
|
unsigned int dwVal;
|
|
|
|
dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
dwVal |= ALI_SPDIF_IN_SUPPORT;
|
|
outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
|
|
dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
dwVal |= 0x02;
|
|
outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
|
|
snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
|
|
}
|
|
|
|
static void snd_ali_disable_spdif_in(struct snd_ali *codec)
|
|
{
|
|
unsigned int dwVal;
|
|
|
|
dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
dwVal &= ~ALI_SPDIF_IN_SUPPORT;
|
|
outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
|
|
snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
|
|
}
|
|
|
|
|
|
static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
|
|
{
|
|
unsigned char bVal;
|
|
unsigned int dwRate;
|
|
|
|
switch (rate) {
|
|
case 32000: dwRate = 0x300; break;
|
|
case 48000: dwRate = 0x200; break;
|
|
default: dwRate = 0; break;
|
|
}
|
|
|
|
bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
bVal &= (unsigned char)(~(1<<6));
|
|
|
|
bVal |= 0x80; /* select right */
|
|
outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
|
|
|
|
bVal &= ~0x80; /* select left */
|
|
outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
|
|
}
|
|
|
|
static void snd_ali_enable_spdif_out(struct snd_ali *codec)
|
|
{
|
|
unsigned short wVal;
|
|
unsigned char bVal;
|
|
struct pci_dev *pci_dev;
|
|
|
|
pci_dev = codec->pci_m1533;
|
|
if (pci_dev == NULL)
|
|
return;
|
|
pci_read_config_byte(pci_dev, 0x61, &bVal);
|
|
bVal |= 0x40;
|
|
pci_write_config_byte(pci_dev, 0x61, bVal);
|
|
pci_read_config_byte(pci_dev, 0x7d, &bVal);
|
|
bVal |= 0x01;
|
|
pci_write_config_byte(pci_dev, 0x7d, bVal);
|
|
|
|
pci_read_config_byte(pci_dev, 0x7e, &bVal);
|
|
bVal &= (~0x20);
|
|
bVal |= 0x10;
|
|
pci_write_config_byte(pci_dev, 0x7e, bVal);
|
|
|
|
bVal = inb(ALI_REG(codec, ALI_SCTRL));
|
|
outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
|
|
|
|
bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
|
|
|
|
wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
wVal |= ALI_SPDIF_OUT_SEL_PCM;
|
|
outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
|
|
}
|
|
|
|
static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
|
|
{
|
|
unsigned short wVal;
|
|
|
|
wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
|
|
outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
/*
|
|
wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
|
|
if (flag & ALI_SPDIF_OUT_NON_PCM)
|
|
wVal |= 0x0002;
|
|
else
|
|
wVal &= (~0x0002);
|
|
outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
|
|
*/
|
|
snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
|
|
}
|
|
|
|
static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
|
|
{
|
|
unsigned short wVal;
|
|
|
|
wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
wVal |= ALI_SPDIF_OUT_SEL_PCM;
|
|
outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
|
|
snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
|
|
}
|
|
|
|
static void snd_ali_disable_spdif_out(struct snd_ali *codec)
|
|
{
|
|
unsigned char bVal;
|
|
|
|
bVal = inb(ALI_REG(codec, ALI_SCTRL));
|
|
outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
|
|
|
|
snd_ali_disable_spdif_chnout(codec);
|
|
}
|
|
|
|
static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
|
|
{
|
|
struct snd_ali_voice *pvoice;
|
|
struct snd_ali_channel_control *pchregs;
|
|
unsigned int old, mask;
|
|
|
|
pchregs = &(codec->chregs);
|
|
|
|
/* check if interrupt occurred for channel */
|
|
old = pchregs->data.aint;
|
|
mask = 1U << (channel & 0x1f);
|
|
|
|
if (!(old & mask))
|
|
return;
|
|
|
|
pvoice = &codec->synth.voices[channel];
|
|
|
|
udelay(100);
|
|
spin_lock(&codec->reg_lock);
|
|
|
|
if (pvoice->pcm && pvoice->substream) {
|
|
/* pcm interrupt */
|
|
if (pvoice->running) {
|
|
dev_dbg(codec->card->dev,
|
|
"update_ptr: cso=%4.4x cspf=%d.\n",
|
|
inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)),
|
|
(inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask);
|
|
spin_unlock(&codec->reg_lock);
|
|
snd_pcm_period_elapsed(pvoice->substream);
|
|
spin_lock(&codec->reg_lock);
|
|
} else {
|
|
snd_ali_stop_voice(codec, channel);
|
|
snd_ali_disable_voice_irq(codec, channel);
|
|
}
|
|
} else if (codec->synth.voices[channel].synth) {
|
|
/* synth interrupt */
|
|
} else if (codec->synth.voices[channel].midi) {
|
|
/* midi interrupt */
|
|
} else {
|
|
/* unknown interrupt */
|
|
snd_ali_stop_voice(codec, channel);
|
|
snd_ali_disable_voice_irq(codec, channel);
|
|
}
|
|
spin_unlock(&codec->reg_lock);
|
|
outl(mask,ALI_REG(codec,pchregs->regs.aint));
|
|
pchregs->data.aint = old & (~mask);
|
|
}
|
|
|
|
static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct snd_ali *codec = dev_id;
|
|
int channel;
|
|
unsigned int audio_int;
|
|
struct snd_ali_channel_control *pchregs;
|
|
|
|
if (codec == NULL || !codec->hw_initialized)
|
|
return IRQ_NONE;
|
|
|
|
audio_int = inl(ALI_REG(codec, ALI_MISCINT));
|
|
if (!audio_int)
|
|
return IRQ_NONE;
|
|
|
|
pchregs = &(codec->chregs);
|
|
if (audio_int & ADDRESS_IRQ) {
|
|
/* get interrupt status for all channels */
|
|
pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
|
|
for (channel = 0; channel < ALI_CHANNELS; channel++)
|
|
snd_ali_update_ptr(codec, channel);
|
|
}
|
|
outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
|
|
ALI_REG(codec, ALI_MISCINT));
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
|
|
static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
|
|
int type, int rec, int channel)
|
|
{
|
|
struct snd_ali_voice *pvoice;
|
|
int idx;
|
|
|
|
dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec);
|
|
|
|
spin_lock_irq(&codec->voice_alloc);
|
|
if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
|
|
idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
|
|
snd_ali_find_free_channel(codec,rec);
|
|
if (idx < 0) {
|
|
dev_err(codec->card->dev, "ali_alloc_voice: err.\n");
|
|
spin_unlock_irq(&codec->voice_alloc);
|
|
return NULL;
|
|
}
|
|
pvoice = &(codec->synth.voices[idx]);
|
|
pvoice->codec = codec;
|
|
pvoice->use = 1;
|
|
pvoice->pcm = 1;
|
|
pvoice->mode = rec;
|
|
spin_unlock_irq(&codec->voice_alloc);
|
|
return pvoice;
|
|
}
|
|
spin_unlock_irq(&codec->voice_alloc);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static void snd_ali_free_voice(struct snd_ali * codec,
|
|
struct snd_ali_voice *pvoice)
|
|
{
|
|
void (*private_free)(void *);
|
|
void *private_data;
|
|
|
|
dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number);
|
|
if (!pvoice->use)
|
|
return;
|
|
snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
|
|
spin_lock_irq(&codec->voice_alloc);
|
|
private_free = pvoice->private_free;
|
|
private_data = pvoice->private_data;
|
|
pvoice->private_free = NULL;
|
|
pvoice->private_data = NULL;
|
|
if (pvoice->pcm)
|
|
snd_ali_free_channel_pcm(codec, pvoice->number);
|
|
pvoice->use = pvoice->pcm = pvoice->synth = 0;
|
|
pvoice->substream = NULL;
|
|
spin_unlock_irq(&codec->voice_alloc);
|
|
if (private_free)
|
|
private_free(private_data);
|
|
}
|
|
|
|
|
|
static void snd_ali_clear_voices(struct snd_ali *codec,
|
|
unsigned int v_min,
|
|
unsigned int v_max)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = v_min; i <= v_max; i++) {
|
|
snd_ali_stop_voice(codec, i);
|
|
snd_ali_disable_voice_irq(codec, i);
|
|
}
|
|
}
|
|
|
|
static void snd_ali_write_voice_regs(struct snd_ali *codec,
|
|
unsigned int Channel,
|
|
unsigned int LBA,
|
|
unsigned int CSO,
|
|
unsigned int ESO,
|
|
unsigned int DELTA,
|
|
unsigned int ALPHA_FMS,
|
|
unsigned int GVSEL,
|
|
unsigned int PAN,
|
|
unsigned int VOL,
|
|
unsigned int CTRL,
|
|
unsigned int EC)
|
|
{
|
|
unsigned int ctlcmds[4];
|
|
|
|
outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
|
|
|
|
ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
|
|
ctlcmds[1] = LBA;
|
|
ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
|
|
ctlcmds[3] = (GVSEL << 31) |
|
|
((PAN & 0x0000007f) << 24) |
|
|
((VOL & 0x000000ff) << 16) |
|
|
((CTRL & 0x0000000f) << 12) |
|
|
(EC & 0x00000fff);
|
|
|
|
outb(Channel, ALI_REG(codec, ALI_GC_CIR));
|
|
|
|
outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
|
|
outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
|
|
outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
|
|
outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
|
|
|
|
outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
|
|
outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
|
|
}
|
|
|
|
static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
|
|
{
|
|
unsigned int delta;
|
|
|
|
if (rate < 4000)
|
|
rate = 4000;
|
|
if (rate > 48000)
|
|
rate = 48000;
|
|
|
|
if (rec) {
|
|
if (rate == 44100)
|
|
delta = 0x116a;
|
|
else if (rate == 8000)
|
|
delta = 0x6000;
|
|
else if (rate == 48000)
|
|
delta = 0x1000;
|
|
else
|
|
delta = ((48000 << 12) / rate) & 0x0000ffff;
|
|
} else {
|
|
if (rate == 44100)
|
|
delta = 0xeb3;
|
|
else if (rate == 8000)
|
|
delta = 0x2ab;
|
|
else if (rate == 48000)
|
|
delta = 0x1000;
|
|
else
|
|
delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
|
|
}
|
|
|
|
return delta;
|
|
}
|
|
|
|
static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
|
|
{
|
|
unsigned int CTRL;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
|
|
/* set ctrl mode
|
|
CTRL default: 8-bit (unsigned) mono, loop mode enabled
|
|
*/
|
|
CTRL = 0x00000001;
|
|
if (snd_pcm_format_width(runtime->format) == 16)
|
|
CTRL |= 0x00000008; /* 16-bit data */
|
|
if (!snd_pcm_format_unsigned(runtime->format))
|
|
CTRL |= 0x00000002; /* signed data */
|
|
if (runtime->channels > 1)
|
|
CTRL |= 0x00000004; /* stereo data */
|
|
return CTRL;
|
|
}
|
|
|
|
/*
|
|
* PCM part
|
|
*/
|
|
|
|
static int snd_ali_trigger(struct snd_pcm_substream *substream,
|
|
int cmd)
|
|
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_substream *s;
|
|
unsigned int what, whati, capture_flag;
|
|
struct snd_ali_voice *pvoice, *evoice;
|
|
unsigned int val;
|
|
int do_start;
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
do_start = 1;
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
do_start = 0;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
what = whati = capture_flag = 0;
|
|
snd_pcm_group_for_each_entry(s, substream) {
|
|
if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
|
|
pvoice = s->runtime->private_data;
|
|
evoice = pvoice->extra;
|
|
what |= 1 << (pvoice->number & 0x1f);
|
|
if (evoice == NULL)
|
|
whati |= 1 << (pvoice->number & 0x1f);
|
|
else {
|
|
whati |= 1 << (evoice->number & 0x1f);
|
|
what |= 1 << (evoice->number & 0x1f);
|
|
}
|
|
if (do_start) {
|
|
pvoice->running = 1;
|
|
if (evoice != NULL)
|
|
evoice->running = 1;
|
|
} else {
|
|
pvoice->running = 0;
|
|
if (evoice != NULL)
|
|
evoice->running = 0;
|
|
}
|
|
snd_pcm_trigger_done(s, substream);
|
|
if (pvoice->mode)
|
|
capture_flag = 1;
|
|
}
|
|
}
|
|
spin_lock(&codec->reg_lock);
|
|
if (!do_start)
|
|
outl(what, ALI_REG(codec, ALI_STOP));
|
|
val = inl(ALI_REG(codec, ALI_AINTEN));
|
|
if (do_start)
|
|
val |= whati;
|
|
else
|
|
val &= ~whati;
|
|
outl(val, ALI_REG(codec, ALI_AINTEN));
|
|
if (do_start)
|
|
outl(what, ALI_REG(codec, ALI_START));
|
|
dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
|
|
spin_unlock(&codec->reg_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *hw_params)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
struct snd_ali_voice *evoice = pvoice->extra;
|
|
int err;
|
|
|
|
err = snd_pcm_lib_malloc_pages(substream,
|
|
params_buffer_bytes(hw_params));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* voice management */
|
|
|
|
if (params_buffer_size(hw_params) / 2 !=
|
|
params_period_size(hw_params)) {
|
|
if (!evoice) {
|
|
evoice = snd_ali_alloc_voice(codec,
|
|
SNDRV_ALI_VOICE_TYPE_PCM,
|
|
0, -1);
|
|
if (!evoice)
|
|
return -ENOMEM;
|
|
pvoice->extra = evoice;
|
|
evoice->substream = substream;
|
|
}
|
|
} else {
|
|
if (evoice) {
|
|
snd_ali_free_voice(codec, evoice);
|
|
pvoice->extra = evoice = NULL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
|
|
|
|
snd_pcm_lib_free_pages(substream);
|
|
if (evoice) {
|
|
snd_ali_free_voice(codec, evoice);
|
|
pvoice->extra = NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *hw_params)
|
|
{
|
|
return snd_pcm_lib_malloc_pages(substream,
|
|
params_buffer_bytes(hw_params));
|
|
}
|
|
|
|
static int snd_ali_hw_free(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_pcm_lib_free_pages(substream);
|
|
}
|
|
|
|
static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
struct snd_ali_voice *evoice = pvoice->extra;
|
|
|
|
unsigned int LBA;
|
|
unsigned int Delta;
|
|
unsigned int ESO;
|
|
unsigned int CTRL;
|
|
unsigned int GVSEL;
|
|
unsigned int PAN;
|
|
unsigned int VOL;
|
|
unsigned int EC;
|
|
|
|
dev_dbg(codec->card->dev, "playback_prepare ...\n");
|
|
|
|
spin_lock_irq(&codec->reg_lock);
|
|
|
|
/* set Delta (rate) value */
|
|
Delta = snd_ali_convert_rate(runtime->rate, 0);
|
|
|
|
if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
|
|
pvoice->number == ALI_PCM_IN_CHANNEL)
|
|
snd_ali_disable_special_channel(codec, pvoice->number);
|
|
else if (codec->spdif_support &&
|
|
(inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
|
|
ALI_SPDIF_OUT_CH_ENABLE)
|
|
&& pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
|
|
snd_ali_set_spdif_out_rate(codec, runtime->rate);
|
|
Delta = 0x1000;
|
|
}
|
|
|
|
/* set Loop Back Address */
|
|
LBA = runtime->dma_addr;
|
|
|
|
/* set interrupt count size */
|
|
pvoice->count = runtime->period_size;
|
|
|
|
/* set target ESO for channel */
|
|
pvoice->eso = runtime->buffer_size;
|
|
|
|
dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
|
|
pvoice->eso, pvoice->count);
|
|
|
|
/* set ESO to capture first MIDLP interrupt */
|
|
ESO = pvoice->eso -1;
|
|
/* set ctrl mode */
|
|
CTRL = snd_ali_control_mode(substream);
|
|
|
|
GVSEL = 1;
|
|
PAN = 0;
|
|
VOL = 0;
|
|
EC = 0;
|
|
dev_dbg(codec->card->dev, "playback_prepare:\n");
|
|
dev_dbg(codec->card->dev,
|
|
"ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
|
|
pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
|
|
snd_ali_write_voice_regs(codec,
|
|
pvoice->number,
|
|
LBA,
|
|
0, /* cso */
|
|
ESO,
|
|
Delta,
|
|
0, /* alpha */
|
|
GVSEL,
|
|
PAN,
|
|
VOL,
|
|
CTRL,
|
|
EC);
|
|
if (evoice) {
|
|
evoice->count = pvoice->count;
|
|
evoice->eso = pvoice->count << 1;
|
|
ESO = evoice->eso - 1;
|
|
snd_ali_write_voice_regs(codec,
|
|
evoice->number,
|
|
LBA,
|
|
0, /* cso */
|
|
ESO,
|
|
Delta,
|
|
0, /* alpha */
|
|
GVSEL,
|
|
0x7f,
|
|
0x3ff,
|
|
CTRL,
|
|
EC);
|
|
}
|
|
spin_unlock_irq(&codec->reg_lock);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int snd_ali_prepare(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
unsigned int LBA;
|
|
unsigned int Delta;
|
|
unsigned int ESO;
|
|
unsigned int CTRL;
|
|
unsigned int GVSEL;
|
|
unsigned int PAN;
|
|
unsigned int VOL;
|
|
unsigned int EC;
|
|
u8 bValue;
|
|
|
|
spin_lock_irq(&codec->reg_lock);
|
|
|
|
dev_dbg(codec->card->dev, "ali_prepare...\n");
|
|
|
|
snd_ali_enable_special_channel(codec,pvoice->number);
|
|
|
|
Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
|
|
pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
|
|
0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
|
|
|
|
/* Prepare capture intr channel */
|
|
if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
|
|
|
|
unsigned int rate;
|
|
|
|
spin_unlock_irq(&codec->reg_lock);
|
|
if (codec->revision != ALI_5451_V02)
|
|
return -1;
|
|
|
|
rate = snd_ali_get_spdif_in_rate(codec);
|
|
if (rate == 0) {
|
|
dev_warn(codec->card->dev,
|
|
"ali_capture_prepare: spdif rate detect err!\n");
|
|
rate = 48000;
|
|
}
|
|
spin_lock_irq(&codec->reg_lock);
|
|
bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
|
|
if (bValue & 0x10) {
|
|
outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
|
|
dev_warn(codec->card->dev,
|
|
"clear SPDIF parity error flag.\n");
|
|
}
|
|
|
|
if (rate != 48000)
|
|
Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
|
|
}
|
|
|
|
/* set target ESO for channel */
|
|
pvoice->eso = runtime->buffer_size;
|
|
|
|
/* set interrupt count size */
|
|
pvoice->count = runtime->period_size;
|
|
|
|
/* set Loop Back Address */
|
|
LBA = runtime->dma_addr;
|
|
|
|
/* set ESO to capture first MIDLP interrupt */
|
|
ESO = pvoice->eso - 1;
|
|
CTRL = snd_ali_control_mode(substream);
|
|
GVSEL = 0;
|
|
PAN = 0x00;
|
|
VOL = 0x00;
|
|
EC = 0;
|
|
|
|
snd_ali_write_voice_regs( codec,
|
|
pvoice->number,
|
|
LBA,
|
|
0, /* cso */
|
|
ESO,
|
|
Delta,
|
|
0, /* alpha */
|
|
GVSEL,
|
|
PAN,
|
|
VOL,
|
|
CTRL,
|
|
EC);
|
|
|
|
spin_unlock_irq(&codec->reg_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static snd_pcm_uframes_t
|
|
snd_ali_playback_pointer(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
unsigned int cso;
|
|
|
|
spin_lock(&codec->reg_lock);
|
|
if (!pvoice->running) {
|
|
spin_unlock(&codec->reg_lock);
|
|
return 0;
|
|
}
|
|
outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
|
|
cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
|
|
spin_unlock(&codec->reg_lock);
|
|
dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
|
|
|
|
cso %= runtime->buffer_size;
|
|
return cso;
|
|
}
|
|
|
|
|
|
static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
unsigned int cso;
|
|
|
|
spin_lock(&codec->reg_lock);
|
|
if (!pvoice->running) {
|
|
spin_unlock(&codec->reg_lock);
|
|
return 0;
|
|
}
|
|
outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
|
|
cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
|
|
spin_unlock(&codec->reg_lock);
|
|
|
|
cso %= runtime->buffer_size;
|
|
return cso;
|
|
}
|
|
|
|
static struct snd_pcm_hardware snd_ali_playback =
|
|
{
|
|
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
|
|
SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_RESUME |
|
|
SNDRV_PCM_INFO_SYNC_START),
|
|
.formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
|
|
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
|
|
.rate_min = 4000,
|
|
.rate_max = 48000,
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.buffer_bytes_max = (256*1024),
|
|
.period_bytes_min = 64,
|
|
.period_bytes_max = (256*1024),
|
|
.periods_min = 1,
|
|
.periods_max = 1024,
|
|
.fifo_size = 0,
|
|
};
|
|
|
|
/*
|
|
* Capture support device description
|
|
*/
|
|
|
|
static struct snd_pcm_hardware snd_ali_capture =
|
|
{
|
|
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
|
|
SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_RESUME |
|
|
SNDRV_PCM_INFO_SYNC_START),
|
|
.formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
|
|
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
|
|
.rate_min = 4000,
|
|
.rate_max = 48000,
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.buffer_bytes_max = (128*1024),
|
|
.period_bytes_min = 64,
|
|
.period_bytes_max = (128*1024),
|
|
.periods_min = 1,
|
|
.periods_max = 1024,
|
|
.fifo_size = 0,
|
|
};
|
|
|
|
static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
|
|
{
|
|
struct snd_ali_voice *pvoice = runtime->private_data;
|
|
|
|
if (pvoice)
|
|
snd_ali_free_voice(pvoice->codec, pvoice);
|
|
}
|
|
|
|
static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
|
|
int channel, struct snd_pcm_hardware *phw)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
struct snd_ali_voice *pvoice;
|
|
|
|
pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
|
|
channel);
|
|
if (!pvoice)
|
|
return -EAGAIN;
|
|
|
|
pvoice->substream = substream;
|
|
runtime->private_data = pvoice;
|
|
runtime->private_free = snd_ali_pcm_free_substream;
|
|
|
|
runtime->hw = *phw;
|
|
snd_pcm_set_sync(substream);
|
|
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
|
|
0, 64*1024);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_playback_open(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_ali_open(substream, 0, -1, &snd_ali_playback);
|
|
}
|
|
|
|
static int snd_ali_capture_open(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_ali_open(substream, 1, -1, &snd_ali_capture);
|
|
}
|
|
|
|
static int snd_ali_playback_close(struct snd_pcm_substream *substream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_close(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_ali *codec = snd_pcm_substream_chip(substream);
|
|
struct snd_ali_voice *pvoice = substream->runtime->private_data;
|
|
|
|
snd_ali_disable_special_channel(codec,pvoice->number);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_pcm_ops snd_ali_playback_ops = {
|
|
.open = snd_ali_playback_open,
|
|
.close = snd_ali_playback_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_ali_playback_hw_params,
|
|
.hw_free = snd_ali_playback_hw_free,
|
|
.prepare = snd_ali_playback_prepare,
|
|
.trigger = snd_ali_trigger,
|
|
.pointer = snd_ali_playback_pointer,
|
|
};
|
|
|
|
static const struct snd_pcm_ops snd_ali_capture_ops = {
|
|
.open = snd_ali_capture_open,
|
|
.close = snd_ali_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_ali_hw_params,
|
|
.hw_free = snd_ali_hw_free,
|
|
.prepare = snd_ali_prepare,
|
|
.trigger = snd_ali_trigger,
|
|
.pointer = snd_ali_pointer,
|
|
};
|
|
|
|
/*
|
|
* Modem PCM
|
|
*/
|
|
|
|
static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *hw_params)
|
|
{
|
|
struct snd_ali *chip = snd_pcm_substream_chip(substream);
|
|
unsigned int modem_num = chip->num_of_codecs - 1;
|
|
snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
|
|
params_rate(hw_params));
|
|
snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
|
|
return snd_ali_hw_params(substream, hw_params);
|
|
}
|
|
|
|
static struct snd_pcm_hardware snd_ali_modem =
|
|
{
|
|
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
|
|
SNDRV_PCM_INFO_BLOCK_TRANSFER |
|
|
SNDRV_PCM_INFO_MMAP_VALID |
|
|
SNDRV_PCM_INFO_RESUME |
|
|
SNDRV_PCM_INFO_SYNC_START),
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE,
|
|
.rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
|
|
SNDRV_PCM_RATE_16000),
|
|
.rate_min = 8000,
|
|
.rate_max = 16000,
|
|
.channels_min = 1,
|
|
.channels_max = 1,
|
|
.buffer_bytes_max = (256*1024),
|
|
.period_bytes_min = 64,
|
|
.period_bytes_max = (256*1024),
|
|
.periods_min = 1,
|
|
.periods_max = 1024,
|
|
.fifo_size = 0,
|
|
};
|
|
|
|
static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
|
|
int channel)
|
|
{
|
|
static const unsigned int rates[] = {8000, 9600, 12000, 16000};
|
|
static const struct snd_pcm_hw_constraint_list hw_constraint_rates = {
|
|
.count = ARRAY_SIZE(rates),
|
|
.list = rates,
|
|
.mask = 0,
|
|
};
|
|
int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
|
|
|
|
if (err)
|
|
return err;
|
|
return snd_pcm_hw_constraint_list(substream->runtime, 0,
|
|
SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
|
|
}
|
|
|
|
static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
|
|
}
|
|
|
|
static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
|
|
}
|
|
|
|
static const struct snd_pcm_ops snd_ali_modem_playback_ops = {
|
|
.open = snd_ali_modem_playback_open,
|
|
.close = snd_ali_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_ali_modem_hw_params,
|
|
.hw_free = snd_ali_hw_free,
|
|
.prepare = snd_ali_prepare,
|
|
.trigger = snd_ali_trigger,
|
|
.pointer = snd_ali_pointer,
|
|
};
|
|
|
|
static const struct snd_pcm_ops snd_ali_modem_capture_ops = {
|
|
.open = snd_ali_modem_capture_open,
|
|
.close = snd_ali_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_ali_modem_hw_params,
|
|
.hw_free = snd_ali_hw_free,
|
|
.prepare = snd_ali_prepare,
|
|
.trigger = snd_ali_trigger,
|
|
.pointer = snd_ali_pointer,
|
|
};
|
|
|
|
|
|
struct ali_pcm_description {
|
|
char *name;
|
|
unsigned int playback_num;
|
|
unsigned int capture_num;
|
|
const struct snd_pcm_ops *playback_ops;
|
|
const struct snd_pcm_ops *capture_ops;
|
|
unsigned short class;
|
|
};
|
|
|
|
|
|
static void snd_ali_pcm_free(struct snd_pcm *pcm)
|
|
{
|
|
struct snd_ali *codec = pcm->private_data;
|
|
codec->pcm[pcm->device] = NULL;
|
|
}
|
|
|
|
|
|
static int snd_ali_pcm(struct snd_ali *codec, int device,
|
|
struct ali_pcm_description *desc)
|
|
{
|
|
struct snd_pcm *pcm;
|
|
int err;
|
|
|
|
err = snd_pcm_new(codec->card, desc->name, device,
|
|
desc->playback_num, desc->capture_num, &pcm);
|
|
if (err < 0) {
|
|
dev_err(codec->card->dev,
|
|
"snd_ali_pcm: err called snd_pcm_new.\n");
|
|
return err;
|
|
}
|
|
pcm->private_data = codec;
|
|
pcm->private_free = snd_ali_pcm_free;
|
|
if (desc->playback_ops)
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
|
desc->playback_ops);
|
|
if (desc->capture_ops)
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
|
|
desc->capture_ops);
|
|
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
|
snd_dma_pci_data(codec->pci),
|
|
64*1024, 128*1024);
|
|
|
|
pcm->info_flags = 0;
|
|
pcm->dev_class = desc->class;
|
|
pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
|
|
strcpy(pcm->name, desc->name);
|
|
codec->pcm[0] = pcm;
|
|
return 0;
|
|
}
|
|
|
|
static struct ali_pcm_description ali_pcms[] = {
|
|
{ .name = "ALI 5451",
|
|
.playback_num = ALI_CHANNELS,
|
|
.capture_num = 1,
|
|
.playback_ops = &snd_ali_playback_ops,
|
|
.capture_ops = &snd_ali_capture_ops
|
|
},
|
|
{ .name = "ALI 5451 modem",
|
|
.playback_num = 1,
|
|
.capture_num = 1,
|
|
.playback_ops = &snd_ali_modem_playback_ops,
|
|
.capture_ops = &snd_ali_modem_capture_ops,
|
|
.class = SNDRV_PCM_CLASS_MODEM
|
|
}
|
|
};
|
|
|
|
static int snd_ali_build_pcms(struct snd_ali *codec)
|
|
{
|
|
int i, err;
|
|
for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
|
|
err = snd_ali_pcm(codec, i, &ali_pcms[i]);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define ALI5451_SPDIF(xname, xindex, value) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
|
|
.info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
|
|
.put = snd_ali5451_spdif_put, .private_value = value}
|
|
|
|
#define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
|
|
|
|
static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ali *codec = kcontrol->private_data;
|
|
unsigned int spdif_enable;
|
|
|
|
spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
|
|
|
|
spin_lock_irq(&codec->reg_lock);
|
|
switch (kcontrol->private_value) {
|
|
case 0:
|
|
spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
|
|
break;
|
|
case 1:
|
|
spdif_enable = ((codec->spdif_mask & 0x02) &&
|
|
(codec->spdif_mask & 0x04)) ? 1 : 0;
|
|
break;
|
|
case 2:
|
|
spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
ucontrol->value.integer.value[0] = spdif_enable;
|
|
spin_unlock_irq(&codec->reg_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_ali *codec = kcontrol->private_data;
|
|
unsigned int change = 0, spdif_enable = 0;
|
|
|
|
spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
|
|
|
|
spin_lock_irq(&codec->reg_lock);
|
|
switch (kcontrol->private_value) {
|
|
case 0:
|
|
change = (codec->spdif_mask & 0x02) ? 1 : 0;
|
|
change = change ^ spdif_enable;
|
|
if (change) {
|
|
if (spdif_enable) {
|
|
codec->spdif_mask |= 0x02;
|
|
snd_ali_enable_spdif_out(codec);
|
|
} else {
|
|
codec->spdif_mask &= ~(0x02);
|
|
codec->spdif_mask &= ~(0x04);
|
|
snd_ali_disable_spdif_out(codec);
|
|
}
|
|
}
|
|
break;
|
|
case 1:
|
|
change = (codec->spdif_mask & 0x04) ? 1 : 0;
|
|
change = change ^ spdif_enable;
|
|
if (change && (codec->spdif_mask & 0x02)) {
|
|
if (spdif_enable) {
|
|
codec->spdif_mask |= 0x04;
|
|
snd_ali_enable_spdif_chnout(codec);
|
|
} else {
|
|
codec->spdif_mask &= ~(0x04);
|
|
snd_ali_disable_spdif_chnout(codec);
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
change = (codec->spdif_mask & 0x01) ? 1 : 0;
|
|
change = change ^ spdif_enable;
|
|
if (change) {
|
|
if (spdif_enable) {
|
|
codec->spdif_mask |= 0x01;
|
|
snd_ali_enable_spdif_in(codec);
|
|
} else {
|
|
codec->spdif_mask &= ~(0x01);
|
|
snd_ali_disable_spdif_in(codec);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
spin_unlock_irq(&codec->reg_lock);
|
|
|
|
return change;
|
|
}
|
|
|
|
static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
|
|
/* spdif aplayback switch */
|
|
/* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
|
|
ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
|
|
/* spdif out to spdif channel */
|
|
ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
|
|
/* spdif in from spdif channel */
|
|
ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
|
|
};
|
|
|
|
static int snd_ali_mixer(struct snd_ali *codec)
|
|
{
|
|
struct snd_ac97_template ac97;
|
|
unsigned int idx;
|
|
int i, err;
|
|
static struct snd_ac97_bus_ops ops = {
|
|
.write = snd_ali_codec_write,
|
|
.read = snd_ali_codec_read,
|
|
};
|
|
|
|
err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
memset(&ac97, 0, sizeof(ac97));
|
|
ac97.private_data = codec;
|
|
|
|
for (i = 0; i < codec->num_of_codecs; i++) {
|
|
ac97.num = i;
|
|
err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
|
|
if (err < 0) {
|
|
dev_err(codec->card->dev,
|
|
"ali mixer %d creating error.\n", i);
|
|
if (i == 0)
|
|
return err;
|
|
codec->num_of_codecs = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (codec->spdif_support) {
|
|
for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
|
|
err = snd_ctl_add(codec->card,
|
|
snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int ali_suspend(struct device *dev)
|
|
{
|
|
struct snd_card *card = dev_get_drvdata(dev);
|
|
struct snd_ali *chip = card->private_data;
|
|
struct snd_ali_image *im;
|
|
int i, j;
|
|
|
|
im = chip->image;
|
|
if (!im)
|
|
return 0;
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
|
|
for (i = 0; i < chip->num_of_codecs; i++) {
|
|
snd_pcm_suspend_all(chip->pcm[i]);
|
|
snd_ac97_suspend(chip->ac97[i]);
|
|
}
|
|
|
|
spin_lock_irq(&chip->reg_lock);
|
|
|
|
im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
|
|
/* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
|
|
im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
|
|
|
|
/* disable all IRQ bits */
|
|
outl(0, ALI_REG(chip, ALI_MISCINT));
|
|
|
|
for (i = 0; i < ALI_GLOBAL_REGS; i++) {
|
|
if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
|
|
continue;
|
|
im->regs[i] = inl(ALI_REG(chip, i*4));
|
|
}
|
|
|
|
for (i = 0; i < ALI_CHANNELS; i++) {
|
|
outb(i, ALI_REG(chip, ALI_GC_CIR));
|
|
for (j = 0; j < ALI_CHANNEL_REGS; j++)
|
|
im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
|
|
}
|
|
|
|
/* stop all HW channel */
|
|
outl(0xffffffff, ALI_REG(chip, ALI_STOP));
|
|
|
|
spin_unlock_irq(&chip->reg_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int ali_resume(struct device *dev)
|
|
{
|
|
struct snd_card *card = dev_get_drvdata(dev);
|
|
struct snd_ali *chip = card->private_data;
|
|
struct snd_ali_image *im;
|
|
int i, j;
|
|
|
|
im = chip->image;
|
|
if (!im)
|
|
return 0;
|
|
|
|
spin_lock_irq(&chip->reg_lock);
|
|
|
|
for (i = 0; i < ALI_CHANNELS; i++) {
|
|
outb(i, ALI_REG(chip, ALI_GC_CIR));
|
|
for (j = 0; j < ALI_CHANNEL_REGS; j++)
|
|
outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
|
|
}
|
|
|
|
for (i = 0; i < ALI_GLOBAL_REGS; i++) {
|
|
if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
|
|
(i*4 == ALI_START))
|
|
continue;
|
|
outl(im->regs[i], ALI_REG(chip, i*4));
|
|
}
|
|
|
|
/* start HW channel */
|
|
outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
|
|
/* restore IRQ enable bits */
|
|
outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
|
|
|
|
spin_unlock_irq(&chip->reg_lock);
|
|
|
|
for (i = 0 ; i < chip->num_of_codecs; i++)
|
|
snd_ac97_resume(chip->ac97[i]);
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
|
|
return 0;
|
|
}
|
|
|
|
static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
|
|
#define ALI_PM_OPS &ali_pm
|
|
#else
|
|
#define ALI_PM_OPS NULL
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
static int snd_ali_free(struct snd_ali * codec)
|
|
{
|
|
if (codec->hw_initialized)
|
|
snd_ali_disable_address_interrupt(codec);
|
|
if (codec->irq >= 0)
|
|
free_irq(codec->irq, codec);
|
|
if (codec->port)
|
|
pci_release_regions(codec->pci);
|
|
pci_disable_device(codec->pci);
|
|
#ifdef CONFIG_PM_SLEEP
|
|
kfree(codec->image);
|
|
#endif
|
|
pci_dev_put(codec->pci_m1533);
|
|
pci_dev_put(codec->pci_m7101);
|
|
kfree(codec);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_chip_init(struct snd_ali *codec)
|
|
{
|
|
unsigned int legacy;
|
|
unsigned char temp;
|
|
struct pci_dev *pci_dev;
|
|
|
|
dev_dbg(codec->card->dev, "chip initializing ...\n");
|
|
|
|
if (snd_ali_reset_5451(codec)) {
|
|
dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (codec->revision == ALI_5451_V02) {
|
|
pci_dev = codec->pci_m1533;
|
|
pci_read_config_byte(pci_dev, 0x59, &temp);
|
|
temp |= 0x80;
|
|
pci_write_config_byte(pci_dev, 0x59, temp);
|
|
|
|
pci_dev = codec->pci_m7101;
|
|
pci_read_config_byte(pci_dev, 0xb8, &temp);
|
|
temp |= 0x20;
|
|
pci_write_config_byte(pci_dev, 0xB8, temp);
|
|
}
|
|
|
|
pci_read_config_dword(codec->pci, 0x44, &legacy);
|
|
legacy &= 0xff00ff00;
|
|
legacy |= 0x000800aa;
|
|
pci_write_config_dword(codec->pci, 0x44, legacy);
|
|
|
|
outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
|
|
outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
|
|
outl(0xffffffff, ALI_REG(codec, ALI_AINT));
|
|
outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
|
|
outb(0x10, ALI_REG(codec, ALI_MPUR2));
|
|
|
|
codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
|
|
codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
|
|
AC97_EXTENDED_STATUS);
|
|
if (codec->spdif_support) {
|
|
snd_ali_enable_spdif_out(codec);
|
|
codec->spdif_mask = 0x00000002;
|
|
}
|
|
|
|
codec->num_of_codecs = 1;
|
|
|
|
/* secondary codec - modem */
|
|
if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
|
|
codec->num_of_codecs++;
|
|
outl(inl(ALI_REG(codec, ALI_SCTRL)) |
|
|
(ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
|
|
ALI_SCTRL_LINE_OUT_EN),
|
|
ALI_REG(codec, ALI_SCTRL));
|
|
}
|
|
|
|
dev_dbg(codec->card->dev, "chip initialize succeed.\n");
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* proc for register dump */
|
|
static void snd_ali_proc_read(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buf)
|
|
{
|
|
struct snd_ali *codec = entry->private_data;
|
|
int i;
|
|
for (i = 0; i < 256 ; i+= 4)
|
|
snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
|
|
}
|
|
|
|
static void snd_ali_proc_init(struct snd_ali *codec)
|
|
{
|
|
struct snd_info_entry *entry;
|
|
if (!snd_card_proc_new(codec->card, "ali5451", &entry))
|
|
snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
|
|
}
|
|
|
|
static int snd_ali_resources(struct snd_ali *codec)
|
|
{
|
|
int err;
|
|
|
|
dev_dbg(codec->card->dev, "resources allocation ...\n");
|
|
err = pci_request_regions(codec->pci, "ALI 5451");
|
|
if (err < 0)
|
|
return err;
|
|
codec->port = pci_resource_start(codec->pci, 0);
|
|
|
|
if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
|
|
IRQF_SHARED, KBUILD_MODNAME, codec)) {
|
|
dev_err(codec->card->dev, "Unable to request irq.\n");
|
|
return -EBUSY;
|
|
}
|
|
codec->irq = codec->pci->irq;
|
|
dev_dbg(codec->card->dev, "resources allocated.\n");
|
|
return 0;
|
|
}
|
|
static int snd_ali_dev_free(struct snd_device *device)
|
|
{
|
|
struct snd_ali *codec = device->device_data;
|
|
snd_ali_free(codec);
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_create(struct snd_card *card,
|
|
struct pci_dev *pci,
|
|
int pcm_streams,
|
|
int spdif_support,
|
|
struct snd_ali **r_ali)
|
|
{
|
|
struct snd_ali *codec;
|
|
int i, err;
|
|
unsigned short cmdw;
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = snd_ali_dev_free,
|
|
};
|
|
|
|
*r_ali = NULL;
|
|
|
|
dev_dbg(card->dev, "creating ...\n");
|
|
|
|
/* enable PCI device */
|
|
err = pci_enable_device(pci);
|
|
if (err < 0)
|
|
return err;
|
|
/* check, if we can restrict PCI DMA transfers to 31 bits */
|
|
if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 ||
|
|
dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) {
|
|
dev_err(card->dev,
|
|
"architecture does not support 31bit PCI busmaster DMA\n");
|
|
pci_disable_device(pci);
|
|
return -ENXIO;
|
|
}
|
|
|
|
codec = kzalloc(sizeof(*codec), GFP_KERNEL);
|
|
if (!codec) {
|
|
pci_disable_device(pci);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
spin_lock_init(&codec->reg_lock);
|
|
spin_lock_init(&codec->voice_alloc);
|
|
|
|
codec->card = card;
|
|
codec->pci = pci;
|
|
codec->irq = -1;
|
|
codec->revision = pci->revision;
|
|
codec->spdif_support = spdif_support;
|
|
|
|
if (pcm_streams < 1)
|
|
pcm_streams = 1;
|
|
if (pcm_streams > 32)
|
|
pcm_streams = 32;
|
|
|
|
pci_set_master(pci);
|
|
pci_read_config_word(pci, PCI_COMMAND, &cmdw);
|
|
if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
|
|
cmdw |= PCI_COMMAND_IO;
|
|
pci_write_config_word(pci, PCI_COMMAND, cmdw);
|
|
}
|
|
pci_set_master(pci);
|
|
|
|
if (snd_ali_resources(codec)) {
|
|
snd_ali_free(codec);
|
|
return -EBUSY;
|
|
}
|
|
|
|
synchronize_irq(pci->irq);
|
|
|
|
codec->synth.chmap = 0;
|
|
codec->synth.chcnt = 0;
|
|
codec->spdif_mask = 0;
|
|
codec->synth.synthcount = 0;
|
|
|
|
if (codec->revision == ALI_5451_V02)
|
|
codec->chregs.regs.ac97read = ALI_AC97_WRITE;
|
|
else
|
|
codec->chregs.regs.ac97read = ALI_AC97_READ;
|
|
codec->chregs.regs.ac97write = ALI_AC97_WRITE;
|
|
|
|
codec->chregs.regs.start = ALI_START;
|
|
codec->chregs.regs.stop = ALI_STOP;
|
|
codec->chregs.regs.aint = ALI_AINT;
|
|
codec->chregs.regs.ainten = ALI_AINTEN;
|
|
|
|
codec->chregs.data.start = 0x00;
|
|
codec->chregs.data.stop = 0x00;
|
|
codec->chregs.data.aint = 0x00;
|
|
codec->chregs.data.ainten = 0x00;
|
|
|
|
/* M1533: southbridge */
|
|
codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
|
|
if (!codec->pci_m1533) {
|
|
dev_err(card->dev, "cannot find ALi 1533 chip.\n");
|
|
snd_ali_free(codec);
|
|
return -ENODEV;
|
|
}
|
|
/* M7101: power management */
|
|
codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
|
|
if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
|
|
dev_err(card->dev, "cannot find ALi 7101 chip.\n");
|
|
snd_ali_free(codec);
|
|
return -ENODEV;
|
|
}
|
|
|
|
dev_dbg(card->dev, "snd_device_new is called.\n");
|
|
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
|
|
if (err < 0) {
|
|
snd_ali_free(codec);
|
|
return err;
|
|
}
|
|
|
|
/* initialise synth voices*/
|
|
for (i = 0; i < ALI_CHANNELS; i++)
|
|
codec->synth.voices[i].number = i;
|
|
|
|
err = snd_ali_chip_init(codec);
|
|
if (err < 0) {
|
|
dev_err(card->dev, "ali create: chip init error.\n");
|
|
return err;
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
|
|
if (!codec->image)
|
|
dev_warn(card->dev, "can't allocate apm buffer\n");
|
|
#endif
|
|
|
|
snd_ali_enable_address_interrupt(codec);
|
|
codec->hw_initialized = 1;
|
|
|
|
*r_ali = codec;
|
|
dev_dbg(card->dev, "created.\n");
|
|
return 0;
|
|
}
|
|
|
|
static int snd_ali_probe(struct pci_dev *pci,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
struct snd_card *card;
|
|
struct snd_ali *codec;
|
|
int err;
|
|
|
|
dev_dbg(&pci->dev, "probe ...\n");
|
|
|
|
err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
|
|
if (err < 0)
|
|
goto error;
|
|
card->private_data = codec;
|
|
|
|
dev_dbg(&pci->dev, "mixer building ...\n");
|
|
err = snd_ali_mixer(codec);
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
dev_dbg(&pci->dev, "pcm building ...\n");
|
|
err = snd_ali_build_pcms(codec);
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
snd_ali_proc_init(codec);
|
|
|
|
strcpy(card->driver, "ALI5451");
|
|
strcpy(card->shortname, "ALI 5451");
|
|
|
|
sprintf(card->longname, "%s at 0x%lx, irq %i",
|
|
card->shortname, codec->port, codec->irq);
|
|
|
|
dev_dbg(&pci->dev, "register card.\n");
|
|
err = snd_card_register(card);
|
|
if (err < 0)
|
|
goto error;
|
|
|
|
pci_set_drvdata(pci, card);
|
|
return 0;
|
|
|
|
error:
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
static void snd_ali_remove(struct pci_dev *pci)
|
|
{
|
|
snd_card_free(pci_get_drvdata(pci));
|
|
}
|
|
|
|
static struct pci_driver ali5451_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = snd_ali_ids,
|
|
.probe = snd_ali_probe,
|
|
.remove = snd_ali_remove,
|
|
.driver = {
|
|
.pm = ALI_PM_OPS,
|
|
},
|
|
};
|
|
|
|
module_pci_driver(ali5451_driver);
|