--- /dev/null
+/*
+ * Matt Wu <Matt_Wu@acersoftech.com.cn>
+ * Apr 26, 2001
+ * Routines for control of ALi pci audio M5451
+ *
+ * BUGS:
+ * --
+ *
+ * TODO:
+ * --
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public Lcodecnse as published by
+ * the Free Software Foundation; either version 2 of the Lcodecnse, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public Lcodecnse for more details.
+ *
+ * You should have received a copy of the GNU General Public Lcodecnse
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/info.h>
+#include <sound/ac97_codec.h>
+#include <sound/mpu401.h>
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
+MODULE_DESCRIPTION("ALI M5451");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
+
+static int index = SNDRV_DEFAULT_IDX1; /* Index */
+static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
+static int pcm_channels = 32;
+static bool spdif;
+
+module_param(index, int, 0444);
+MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
+module_param(id, charp, 0444);
+MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
+module_param(pcm_channels, int, 0444);
+MODULE_PARM_DESC(pcm_channels, "PCM Channels");
+module_param(spdif, bool, 0444);
+MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
+
+/* just for backward compatibility */
+static bool enable;
+module_param(enable, bool, 0444);
+
+
+/*
+ * Constants definition
+ */
+
+#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
+
+
+#define ALI_CHANNELS 32
+
+#define ALI_PCM_IN_CHANNEL 31
+#define ALI_SPDIF_IN_CHANNEL 19
+#define ALI_SPDIF_OUT_CHANNEL 15
+#define ALI_CENTER_CHANNEL 24
+#define ALI_LEF_CHANNEL 23
+#define ALI_SURR_LEFT_CHANNEL 26
+#define ALI_SURR_RIGHT_CHANNEL 25
+#define ALI_MODEM_IN_CHANNEL 21
+#define ALI_MODEM_OUT_CHANNEL 20
+
+#define SNDRV_ALI_VOICE_TYPE_PCM 01
+#define SNDRV_ALI_VOICE_TYPE_OTH 02
+
+#define ALI_5451_V02 0x02
+
+/*
+ * Direct Registers
+ */
+
+#define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
+#define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
+#define ALI_LEGACY_DMAR11 0x0b /* MOD */
+#define ALI_LEGACY_DMAR15 0x0f /* MMR */
+#define ALI_MPUR0 0x20
+#define ALI_MPUR1 0x21
+#define ALI_MPUR2 0x22
+#define ALI_MPUR3 0x23
+
+#define ALI_AC97_WRITE 0x40
+#define ALI_AC97_READ 0x44
+
+#define ALI_SCTRL 0x48
+#define ALI_SPDIF_OUT_ENABLE 0x20
+#define ALI_SCTRL_LINE_IN2 (1 << 9)
+#define ALI_SCTRL_GPIO_IN2 (1 << 13)
+#define ALI_SCTRL_LINE_OUT_EN (1 << 20)
+#define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
+#define ALI_SCTRL_CODEC1_READY (1 << 24)
+#define ALI_SCTRL_CODEC2_READY (1 << 25)
+#define ALI_AC97_GPIO 0x4c
+#define ALI_AC97_GPIO_ENABLE 0x8000
+#define ALI_AC97_GPIO_DATA_SHIFT 16
+#define ALI_SPDIF_CS 0x70
+#define ALI_SPDIF_CTRL 0x74
+#define ALI_SPDIF_IN_FUNC_ENABLE 0x02
+#define ALI_SPDIF_IN_CH_STATUS 0x40
+#define ALI_SPDIF_OUT_CH_STATUS 0xbf
+#define ALI_START 0x80
+#define ALI_STOP 0x84
+#define ALI_CSPF 0x90
+#define ALI_AINT 0x98
+#define ALI_GC_CIR 0xa0
+ #define ENDLP_IE 0x00001000
+ #define MIDLP_IE 0x00002000
+#define ALI_AINTEN 0xa4
+#define ALI_VOLUME 0xa8
+#define ALI_SBDELTA_DELTA_R 0xac
+#define ALI_MISCINT 0xb0
+ #define ADDRESS_IRQ 0x00000020
+ #define TARGET_REACHED 0x00008000
+ #define MIXER_OVERFLOW 0x00000800
+ #define MIXER_UNDERFLOW 0x00000400
+ #define GPIO_IRQ 0x01000000
+#define ALI_SBBL_SBCL 0xc0
+#define ALI_SBCTRL_SBE2R_SBDD 0xc4
+#define ALI_STIMER 0xc8
+#define ALI_GLOBAL_CONTROL 0xd4
+#define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
+#define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
+#define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
+#define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
+#define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
+
+#define ALI_CSO_ALPHA_FMS 0xe0
+#define ALI_LBA 0xe4
+#define ALI_ESO_DELTA 0xe8
+#define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
+#define ALI_EBUF1 0xf4
+#define ALI_EBUF2 0xf8
+
+#define ALI_REG(codec, x) ((codec)->port + x)
+
+#define MAX_CODECS 2
+
+
+struct snd_ali;
+struct snd_ali_voice;
+
+struct snd_ali_channel_control {
+ /* register data */
+ struct REGDATA {
+ unsigned int start;
+ unsigned int stop;
+ unsigned int aint;
+ unsigned int ainten;
+ } data;
+
+ /* register addresses */
+ struct REGS {
+ unsigned int start;
+ unsigned int stop;
+ unsigned int aint;
+ unsigned int ainten;
+ unsigned int ac97read;
+ unsigned int ac97write;
+ } regs;
+
+};
+
+struct snd_ali_voice {
+ unsigned int number;
+ unsigned int use :1,
+ pcm :1,
+ midi :1,
+ mode :1,
+ synth :1,
+ running :1;
+
+ /* PCM data */
+ struct snd_ali *codec;
+ struct snd_pcm_substream *substream;
+ struct snd_ali_voice *extra;
+
+ int eso; /* final ESO value for channel */
+ int count; /* runtime->period_size */
+
+ /* --- */
+
+ void *private_data;
+ void (*private_free)(void *private_data);
+};
+
+
+struct snd_alidev {
+
+ struct snd_ali_voice voices[ALI_CHANNELS];
+
+ unsigned int chcnt; /* num of opened channels */
+ unsigned int chmap; /* bitmap for opened channels */
+ unsigned int synthcount;
+
+};
+
+
+#define ALI_GLOBAL_REGS 56
+#define ALI_CHANNEL_REGS 8
+struct snd_ali_image {
+ u32 regs[ALI_GLOBAL_REGS];
+ u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
+};
+
+
+struct snd_ali {
+ int irq;
+ unsigned long port;
+ unsigned char revision;
+
+ unsigned int hw_initialized :1;
+ unsigned int spdif_support :1;
+
+ struct pci_dev *pci;
+ struct pci_dev *pci_m1533;
+ struct pci_dev *pci_m7101;
+
+ struct snd_card *card;
+ struct snd_pcm *pcm[MAX_CODECS];
+ struct snd_alidev synth;
+ struct snd_ali_channel_control chregs;
+
+ /* S/PDIF Mask */
+ unsigned int spdif_mask;
+
+ unsigned int spurious_irq_count;
+ unsigned int spurious_irq_max_delta;
+
+ unsigned int num_of_codecs;
+
+ struct snd_ac97_bus *ac97_bus;
+ struct snd_ac97 *ac97[MAX_CODECS];
+ unsigned short ac97_ext_id;
+ unsigned short ac97_ext_status;
+
+ spinlock_t reg_lock;
+ spinlock_t voice_alloc;
+
+#ifdef CONFIG_PM_SLEEP
+ struct snd_ali_image *image;
+#endif
+};
+
+static const struct pci_device_id snd_ali_ids[] = {
+ {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
+ {0, }
+};
+MODULE_DEVICE_TABLE(pci, snd_ali_ids);
+
+static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
+static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
+static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
+ unsigned short);
+
+/*
+ * AC97 ACCESS
+ */
+
+static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
+ unsigned int port)
+{
+ return (unsigned int)inl(ALI_REG(codec, port));
+}
+
+static inline void snd_ali_5451_poke(struct snd_ali *codec,
+ unsigned int port,
+ unsigned int val)
+{
+ outl((unsigned int)val, ALI_REG(codec, port));
+}
+
+static int snd_ali_codec_ready(struct snd_ali *codec,
+ unsigned int port)
+{
+ unsigned long end_time;
+ unsigned int res;
+
+ end_time = jiffies + msecs_to_jiffies(250);
+
+ for (;;) {
+ res = snd_ali_5451_peek(codec,port);
+ if (!(res & 0x8000))
+ return 0;
+ if (!time_after_eq(end_time, jiffies))
+ break;
+ schedule_timeout_uninterruptible(1);
+ }
+
+ snd_ali_5451_poke(codec, port, res & ~0x8000);
+ dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n ");
+ return -EIO;
+}
+
+static int snd_ali_stimer_ready(struct snd_ali *codec)
+{
+ unsigned long end_time;
+ unsigned long dwChk1,dwChk2;
+
+ dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
+ end_time = jiffies + msecs_to_jiffies(250);
+
+ for (;;) {
+ dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
+ if (dwChk2 != dwChk1)
+ return 0;
+ if (!time_after_eq(end_time, jiffies))
+ break;
+ schedule_timeout_uninterruptible(1);
+ }
+
+ dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n");
+ return -EIO;
+}
+
+static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
+ unsigned short reg,
+ unsigned short val)
+{
+ unsigned int dwVal;
+ unsigned int port;
+
+ if (reg >= 0x80) {
+ dev_err(codec->card->dev,
+ "ali_codec_poke: reg(%xh) invalid.\n", reg);
+ return;
+ }
+
+ port = codec->chregs.regs.ac97write;
+
+ if (snd_ali_codec_ready(codec, port) < 0)
+ return;
+ if (snd_ali_stimer_ready(codec) < 0)
+ return;
+
+ dwVal = (unsigned int) (reg & 0xff);
+ dwVal |= 0x8000 | (val << 16);
+ if (secondary)
+ dwVal |= 0x0080;
+ if (codec->revision == ALI_5451_V02)
+ dwVal |= 0x0100;
+
+ snd_ali_5451_poke(codec, port, dwVal);
+
+ return ;
+}
+
+static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
+ int secondary,
+ unsigned short reg)
+{
+ unsigned int dwVal;
+ unsigned int port;
+
+ if (reg >= 0x80) {
+ dev_err(codec->card->dev,
+ "ali_codec_peek: reg(%xh) invalid.\n", reg);
+ return ~0;
+ }
+
+ port = codec->chregs.regs.ac97read;
+
+ if (snd_ali_codec_ready(codec, port) < 0)
+ return ~0;
+ if (snd_ali_stimer_ready(codec) < 0)
+ return ~0;
+
+ dwVal = (unsigned int) (reg & 0xff);
+ dwVal |= 0x8000; /* bit 15*/
+ if (secondary)
+ dwVal |= 0x0080;
+
+ snd_ali_5451_poke(codec, port, dwVal);
+
+ if (snd_ali_stimer_ready(codec) < 0)
+ return ~0;
+ if (snd_ali_codec_ready(codec, port) < 0)
+ return ~0;
+
+ return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
+}
+
+static void snd_ali_codec_write(struct snd_ac97 *ac97,
+ unsigned short reg,
+ unsigned short val )
+{
+ struct snd_ali *codec = ac97->private_data;
+
+ dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val);
+ if (reg == AC97_GPIO_STATUS) {
+ outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
+ ALI_REG(codec, ALI_AC97_GPIO));
+ return;
+ }
+ snd_ali_codec_poke(codec, ac97->num, reg, val);
+ return ;
+}
+
+
+static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
+ unsigned short reg)
+{
+ struct snd_ali *codec = ac97->private_data;
+
+ dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg);
+ return snd_ali_codec_peek(codec, ac97->num, reg);
+}
+
+/*
+ * AC97 Reset
+ */
+
+static int snd_ali_reset_5451(struct snd_ali *codec)
+{
+ struct pci_dev *pci_dev;
+ unsigned short wCount, wReg;
+ unsigned int dwVal;
+
+ pci_dev = codec->pci_m1533;
+ if (pci_dev) {
+ pci_read_config_dword(pci_dev, 0x7c, &dwVal);
+ pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
+ mdelay(5);
+ pci_read_config_dword(pci_dev, 0x7c, &dwVal);
+ pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
+ mdelay(5);
+ }
+
+ pci_dev = codec->pci;
+ pci_read_config_dword(pci_dev, 0x44, &dwVal);
+ pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
+ udelay(500);
+ pci_read_config_dword(pci_dev, 0x44, &dwVal);
+ pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
+ mdelay(5);
+
+ wCount = 200;
+ while(wCount--) {
+ wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
+ if ((wReg & 0x000f) == 0x000f)
+ return 0;
+ mdelay(5);
+ }
+
+ /* non-fatal if you have a non PM capable codec */
+ /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */
+ return 0;
+}
+
+/*
+ * ALI 5451 Controller
+ */
+
+static void snd_ali_enable_special_channel(struct snd_ali *codec,
+ unsigned int channel)
+{
+ unsigned long dwVal;
+
+ dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ dwVal |= 1 << (channel & 0x0000001f);
+ outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+}
+
+static void snd_ali_disable_special_channel(struct snd_ali *codec,
+ unsigned int channel)
+{
+ unsigned long dwVal;
+
+ dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ dwVal &= ~(1 << (channel & 0x0000001f));
+ outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+}
+
+static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
+{
+ unsigned int gc;
+
+ gc = inl(ALI_REG(codec, ALI_GC_CIR));
+ gc |= ENDLP_IE;
+ gc |= MIDLP_IE;
+ outl( gc, ALI_REG(codec, ALI_GC_CIR));
+}
+
+static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
+{
+ unsigned int gc;
+
+ gc = inl(ALI_REG(codec, ALI_GC_CIR));
+ gc &= ~ENDLP_IE;
+ gc &= ~MIDLP_IE;
+ outl(gc, ALI_REG(codec, ALI_GC_CIR));
+}
+
+static void snd_ali_disable_voice_irq(struct snd_ali *codec,
+ unsigned int channel)
+{
+ unsigned int mask;
+ struct snd_ali_channel_control *pchregs = &(codec->chregs);
+
+ dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel);
+
+ mask = 1 << (channel & 0x1f);
+ pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
+ pchregs->data.ainten &= ~mask;
+ outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
+}
+
+static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
+{
+ unsigned int idx = channel & 0x1f;
+
+ if (codec->synth.chcnt >= ALI_CHANNELS){
+ dev_err(codec->card->dev,
+ "ali_alloc_pcm_channel: no free channels.\n");
+ return -1;
+ }
+
+ if (!(codec->synth.chmap & (1 << idx))) {
+ codec->synth.chmap |= 1 << idx;
+ codec->synth.chcnt++;
+ dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx);
+ return idx;
+ }
+ return -1;
+}
+
+static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
+{
+ int idx;
+ int result = -1;
+
+ dev_dbg(codec->card->dev,
+ "find_free_channel: for %s\n", rec ? "rec" : "pcm");
+
+ /* recording */
+ if (rec) {
+ if (codec->spdif_support &&
+ (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
+ ALI_SPDIF_IN_SUPPORT))
+ idx = ALI_SPDIF_IN_CHANNEL;
+ else
+ idx = ALI_PCM_IN_CHANNEL;
+
+ result = snd_ali_alloc_pcm_channel(codec, idx);
+ if (result >= 0)
+ return result;
+ else {
+ dev_err(codec->card->dev,
+ "ali_find_free_channel: record channel is busy now.\n");
+ return -1;
+ }
+ }
+
+ /* playback... */
+ if (codec->spdif_support &&
+ (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
+ ALI_SPDIF_OUT_CH_ENABLE)) {
+ idx = ALI_SPDIF_OUT_CHANNEL;
+ result = snd_ali_alloc_pcm_channel(codec, idx);
+ if (result >= 0)
+ return result;
+ else
+ dev_err(codec->card->dev,
+ "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
+ }
+
+ for (idx = 0; idx < ALI_CHANNELS; idx++) {
+ result = snd_ali_alloc_pcm_channel(codec, idx);
+ if (result >= 0)
+ return result;
+ }
+ dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n");
+ return -1;
+}
+
+static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
+{
+ unsigned int idx = channel & 0x0000001f;
+
+ dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel);
+
+ if (channel < 0 || channel >= ALI_CHANNELS)
+ return;
+
+ if (!(codec->synth.chmap & (1 << idx))) {
+ dev_err(codec->card->dev,
+ "ali_free_channel_pcm: channel %d is not in use.\n",
+ channel);
+ return;
+ } else {
+ codec->synth.chmap &= ~(1 << idx);
+ codec->synth.chcnt--;
+ }
+}
+
+static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
+{
+ unsigned int mask = 1 << (channel & 0x1f);
+
+ dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel);
+ outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
+}
+
+/*
+ * S/PDIF Part
+ */
+
+static void snd_ali_delay(struct snd_ali *codec,int interval)
+{
+ unsigned long begintimer,currenttimer;
+
+ begintimer = inl(ALI_REG(codec, ALI_STIMER));
+ currenttimer = inl(ALI_REG(codec, ALI_STIMER));
+
+ while (currenttimer < begintimer + interval) {
+ if (snd_ali_stimer_ready(codec) < 0)
+ break;
+ currenttimer = inl(ALI_REG(codec, ALI_STIMER));
+ cpu_relax();
+ }
+}
+
+static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
+{
+ u16 wval;
+ u16 count = 0;
+ u8 bval, R1 = 0, R2;
+
+ bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
+ bval |= 0x1F;
+ outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
+
+ while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
+ count ++;
+ snd_ali_delay(codec, 6);
+ bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
+ R1 = bval & 0x1F;
+ }
+
+ if (count > 50000) {
+ dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
+ return;
+ }
+
+ for (count = 0; count <= 50000; count++) {
+ snd_ali_delay(codec, 6);
+ bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
+ R2 = bval & 0x1F;
+ if (R2 != R1)
+ R1 = R2;
+ else
+ break;
+ }
+
+ if (count > 50000) {
+ dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
+ return;
+ }
+
+ if (R2 >= 0x0b && R2 <= 0x0e) {
+ wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
+ wval &= 0xe0f0;
+ wval |= (0x09 << 8) | 0x05;
+ outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
+
+ bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
+ outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
+ } else if (R2 == 0x12) {
+ wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
+ wval &= 0xe0f0;
+ wval |= (0x0e << 8) | 0x08;
+ outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
+
+ bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
+ outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
+ }
+}
+
+static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
+{
+ u32 dwRate;
+ u8 bval;
+
+ bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
+ bval &= 0x7f;
+ bval |= 0x40;
+ outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
+
+ snd_ali_detect_spdif_rate(codec);
+
+ bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
+ bval &= 0x0f;
+
+ switch (bval) {
+ case 0: dwRate = 44100; break;
+ case 1: dwRate = 48000; break;
+ case 2: dwRate = 32000; break;
+ default: dwRate = 0; break;
+ }
+
+ return dwRate;
+}
+
+static void snd_ali_enable_spdif_in(struct snd_ali *codec)
+{
+ unsigned int dwVal;
+
+ dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ dwVal |= ALI_SPDIF_IN_SUPPORT;
+ outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+
+ dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
+ dwVal |= 0x02;
+ outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
+
+ snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
+}
+
+static void snd_ali_disable_spdif_in(struct snd_ali *codec)
+{
+ unsigned int dwVal;
+
+ dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ dwVal &= ~ALI_SPDIF_IN_SUPPORT;
+ outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+
+ snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
+}
+
+
+static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
+{
+ unsigned char bVal;
+ unsigned int dwRate;
+
+ switch (rate) {
+ case 32000: dwRate = 0x300; break;
+ case 48000: dwRate = 0x200; break;
+ default: dwRate = 0; break;
+ }
+
+ bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
+ bVal &= (unsigned char)(~(1<<6));
+
+ bVal |= 0x80; /* select right */
+ outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
+ outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
+
+ bVal &= ~0x80; /* select left */
+ outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
+ outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
+}
+
+static void snd_ali_enable_spdif_out(struct snd_ali *codec)
+{
+ unsigned short wVal;
+ unsigned char bVal;
+ struct pci_dev *pci_dev;
+
+ pci_dev = codec->pci_m1533;
+ if (pci_dev == NULL)
+ return;
+ pci_read_config_byte(pci_dev, 0x61, &bVal);
+ bVal |= 0x40;
+ pci_write_config_byte(pci_dev, 0x61, bVal);
+ pci_read_config_byte(pci_dev, 0x7d, &bVal);
+ bVal |= 0x01;
+ pci_write_config_byte(pci_dev, 0x7d, bVal);
+
+ pci_read_config_byte(pci_dev, 0x7e, &bVal);
+ bVal &= (~0x20);
+ bVal |= 0x10;
+ pci_write_config_byte(pci_dev, 0x7e, bVal);
+
+ bVal = inb(ALI_REG(codec, ALI_SCTRL));
+ outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
+
+ bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
+ outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
+
+ wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ wVal |= ALI_SPDIF_OUT_SEL_PCM;
+ outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
+}
+
+static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
+{
+ unsigned short wVal;
+
+ wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
+ outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+/*
+ wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
+ if (flag & ALI_SPDIF_OUT_NON_PCM)
+ wVal |= 0x0002;
+ else
+ wVal &= (~0x0002);
+ outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
+*/
+ snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
+}
+
+static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
+{
+ unsigned short wVal;
+
+ wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
+ wVal |= ALI_SPDIF_OUT_SEL_PCM;
+ outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
+
+ snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
+}
+
+static void snd_ali_disable_spdif_out(struct snd_ali *codec)
+{
+ unsigned char bVal;
+
+ bVal = inb(ALI_REG(codec, ALI_SCTRL));
+ outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
+
+ snd_ali_disable_spdif_chnout(codec);
+}
+
+static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
+{
+ struct snd_ali_voice *pvoice;
+ struct snd_ali_channel_control *pchregs;
+ unsigned int old, mask;
+
+ pchregs = &(codec->chregs);
+
+ /* check if interrupt occurred for channel */
+ old = pchregs->data.aint;
+ mask = 1U << (channel & 0x1f);
+
+ if (!(old & mask))
+ return;
+
+ pvoice = &codec->synth.voices[channel];
+
+ udelay(100);
+ spin_lock(&codec->reg_lock);
+
+ if (pvoice->pcm && pvoice->substream) {
+ /* pcm interrupt */
+ if (pvoice->running) {
+ dev_dbg(codec->card->dev,
+ "update_ptr: cso=%4.4x cspf=%d.\n",
+ inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)),
+ (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask);
+ spin_unlock(&codec->reg_lock);
+ snd_pcm_period_elapsed(pvoice->substream);
+ spin_lock(&codec->reg_lock);
+ } else {
+ snd_ali_stop_voice(codec, channel);
+ snd_ali_disable_voice_irq(codec, channel);
+ }
+ } else if (codec->synth.voices[channel].synth) {
+ /* synth interrupt */
+ } else if (codec->synth.voices[channel].midi) {
+ /* midi interrupt */
+ } else {
+ /* unknown interrupt */
+ snd_ali_stop_voice(codec, channel);
+ snd_ali_disable_voice_irq(codec, channel);
+ }
+ spin_unlock(&codec->reg_lock);
+ outl(mask,ALI_REG(codec,pchregs->regs.aint));
+ pchregs->data.aint = old & (~mask);
+}
+
+static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
+{
+ struct snd_ali *codec = dev_id;
+ int channel;
+ unsigned int audio_int;
+ struct snd_ali_channel_control *pchregs;
+
+ if (codec == NULL || !codec->hw_initialized)
+ return IRQ_NONE;
+
+ audio_int = inl(ALI_REG(codec, ALI_MISCINT));
+ if (!audio_int)
+ return IRQ_NONE;
+
+ pchregs = &(codec->chregs);
+ if (audio_int & ADDRESS_IRQ) {
+ /* get interrupt status for all channels */
+ pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
+ for (channel = 0; channel < ALI_CHANNELS; channel++)
+ snd_ali_update_ptr(codec, channel);
+ }
+ outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
+ ALI_REG(codec, ALI_MISCINT));
+
+ return IRQ_HANDLED;
+}
+
+
+static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
+ int type, int rec, int channel)
+{
+ struct snd_ali_voice *pvoice;
+ int idx;
+
+ dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec);
+
+ spin_lock_irq(&codec->voice_alloc);
+ if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
+ idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
+ snd_ali_find_free_channel(codec,rec);
+ if (idx < 0) {
+ dev_err(codec->card->dev, "ali_alloc_voice: err.\n");
+ spin_unlock_irq(&codec->voice_alloc);
+ return NULL;
+ }
+ pvoice = &(codec->synth.voices[idx]);
+ pvoice->codec = codec;
+ pvoice->use = 1;
+ pvoice->pcm = 1;
+ pvoice->mode = rec;
+ spin_unlock_irq(&codec->voice_alloc);
+ return pvoice;
+ }
+ spin_unlock_irq(&codec->voice_alloc);
+ return NULL;
+}
+
+
+static void snd_ali_free_voice(struct snd_ali * codec,
+ struct snd_ali_voice *pvoice)
+{
+ void (*private_free)(void *);
+ void *private_data;
+
+ dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number);
+ if (!pvoice->use)
+ return;
+ snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
+ spin_lock_irq(&codec->voice_alloc);
+ private_free = pvoice->private_free;
+ private_data = pvoice->private_data;
+ pvoice->private_free = NULL;
+ pvoice->private_data = NULL;
+ if (pvoice->pcm)
+ snd_ali_free_channel_pcm(codec, pvoice->number);
+ pvoice->use = pvoice->pcm = pvoice->synth = 0;
+ pvoice->substream = NULL;
+ spin_unlock_irq(&codec->voice_alloc);
+ if (private_free)
+ private_free(private_data);
+}
+
+
+static void snd_ali_clear_voices(struct snd_ali *codec,
+ unsigned int v_min,
+ unsigned int v_max)
+{
+ unsigned int i;
+
+ for (i = v_min; i <= v_max; i++) {
+ snd_ali_stop_voice(codec, i);
+ snd_ali_disable_voice_irq(codec, i);
+ }
+}
+
+static void snd_ali_write_voice_regs(struct snd_ali *codec,
+ unsigned int Channel,
+ unsigned int LBA,
+ unsigned int CSO,
+ unsigned int ESO,
+ unsigned int DELTA,
+ unsigned int ALPHA_FMS,
+ unsigned int GVSEL,
+ unsigned int PAN,
+ unsigned int VOL,
+ unsigned int CTRL,
+ unsigned int EC)
+{
+ unsigned int ctlcmds[4];
+
+ outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
+
+ ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
+ ctlcmds[1] = LBA;
+ ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
+ ctlcmds[3] = (GVSEL << 31) |
+ ((PAN & 0x0000007f) << 24) |
+ ((VOL & 0x000000ff) << 16) |
+ ((CTRL & 0x0000000f) << 12) |
+ (EC & 0x00000fff);
+
+ outb(Channel, ALI_REG(codec, ALI_GC_CIR));
+
+ outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
+ outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
+ outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
+ outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
+
+ outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
+ outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
+}
+
+static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
+{
+ unsigned int delta;
+
+ if (rate < 4000)
+ rate = 4000;
+ if (rate > 48000)
+ rate = 48000;
+
+ if (rec) {
+ if (rate == 44100)
+ delta = 0x116a;
+ else if (rate == 8000)
+ delta = 0x6000;
+ else if (rate == 48000)
+ delta = 0x1000;
+ else
+ delta = ((48000 << 12) / rate) & 0x0000ffff;
+ } else {
+ if (rate == 44100)
+ delta = 0xeb3;
+ else if (rate == 8000)
+ delta = 0x2ab;
+ else if (rate == 48000)
+ delta = 0x1000;
+ else
+ delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
+ }
+
+ return delta;
+}
+
+static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
+{
+ unsigned int CTRL;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ /* set ctrl mode
+ CTRL default: 8-bit (unsigned) mono, loop mode enabled
+ */
+ CTRL = 0x00000001;
+ if (snd_pcm_format_width(runtime->format) == 16)
+ CTRL |= 0x00000008; /* 16-bit data */
+ if (!snd_pcm_format_unsigned(runtime->format))
+ CTRL |= 0x00000002; /* signed data */
+ if (runtime->channels > 1)
+ CTRL |= 0x00000004; /* stereo data */
+ return CTRL;
+}
+
+/*
+ * PCM part
+ */
+
+static int snd_ali_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+
+{
+ struct snd_ali *codec = snd_pcm_substream_chip(substream);
+ struct snd_pcm_substream *s;
+ unsigned int what, whati, capture_flag;
+ struct snd_ali_voice *pvoice, *evoice;
+ unsigned int val;
+ int do_start;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ do_start = 1;
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ do_start = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ what = whati = capture_flag = 0;
+ snd_pcm_group_for_each_entry(s, substream) {
+ if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
+ pvoice = s->runtime->private_data;
+ evoice = pvoice->extra;
+ what |= 1 << (pvoice->number & 0x1f);
+ if (evoice == NULL)
+ whati |= 1 << (pvoice->number & 0x1f);
+ else {
+ whati |= 1 << (evoice->number & 0x1f);
+ what |= 1 << (evoice->number & 0x1f);
+ }
+ if (do_start) {
+ pvoice->running = 1;
+ if (evoice != NULL)
+ evoice->running = 1;
+ } else {
+ pvoice->running = 0;
+ if (evoice != NULL)
+ evoice->running = 0;
+ }
+ snd_pcm_trigger_done(s, substream);
+ if (pvoice->mode)
+ capture_flag = 1;
+ }
+ }
+ spin_lock(&codec->reg_lock);
+ if (!do_start)
+ outl(what, ALI_REG(codec, ALI_STOP));
+ val = inl(ALI_REG(codec, ALI_AINTEN));
+ if (do_start)
+ val |= whati;
+ else
+ val &= ~whati;
+ outl(val, ALI_REG(codec, ALI_AINTEN));
+ if (do_start)
+ outl(what, ALI_REG(codec, ALI_START));
+ dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
+ spin_unlock(&codec->reg_lock);
+
+ return 0;
+}
+
+static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ struct snd_ali *codec = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_ali_voice *pvoice = runtime->private_data;
+ struct snd_ali_voice *evoice = pvoice->extra;
+ int err;
+
+ err = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+ if (err < 0)
+ return err;
+
+ /* voice management */
+
+ if (params_buffer_size(hw_params) / 2 !=
+ params_period_size(hw_params)) {
+ if (!evoice) {
+ evoice = snd_ali_alloc_voice(codec,
+ SNDRV_ALI_VOICE_TYPE_PCM,
+ 0, -1);
+ if (!evoice)
+ return -ENOMEM;
+ pvoice->extra = evoice;
+ evoice->substream = substream;
+ }
+ } else {
+ if (evoice) {
+ snd_ali_free_voice(codec, evoice);
+ pvoice->extra = evoice = NULL;
+ }
+ }
+
+ return 0;
+}
+
+static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_ali *codec = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_ali_voice *pvoice = runtime->private_data;
+ struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
+
+ snd_pcm_lib_free_pages(substream);
+ if (evoice) {
+ snd_ali_free_voice(codec, evoice);
+ pvoice->extra = NULL;
+ }
+ return 0;
+}
+
+static int snd_ali_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
+{
+ return snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+}
+
+static int snd_ali_hw_free(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_lib_free_pages(substream);
+}
+
+static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_ali *codec = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_ali_voice *pvoice = runtime->private_data;
+ struct snd_ali_voice *evoice = pvoice->extra;
+
+ unsigned int LBA;
+ unsigned int Delta;
+ unsigned int ESO;
+ unsigned int CTRL;
+ unsigned int GVSEL;
+ unsigned int PAN;
+ unsigned int VOL;
+ unsigned int EC;
+
+ dev_dbg(codec->card->dev, "playback_prepare ...\n");
+
+ spin_lock_irq(&codec->reg_lock);
+
+ /* set Delta (rate) value */
+ Delta = snd_ali_convert_rate(runtime->rate, 0);
+
+ if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
+ pvoice->number == ALI_PCM_IN_CHANNEL)
+ snd_ali_disable_special_channel(codec, pvoice->number);
+ else if (codec->spdif_support &&
+ (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
+ ALI_SPDIF_OUT_CH_ENABLE)
+ && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
+ snd_ali_set_spdif_out_rate(codec, runtime->rate);
+ Delta = 0x1000;
+ }
+
+ /* set Loop Back Address */
+ LBA = runtime->dma_addr;
+
+ /* set interrupt count size */
+ pvoice->count = runtime->period_size;
+
+ /* set target ESO for channel */
+ pvoice->eso = runtime->buffer_size;
+
+ dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
+ pvoice->eso, pvoice->count);
+
+ /* set ESO to capture first MIDLP interrupt */
+ ESO = pvoice->eso -1;
+ /* set ctrl mode */
+ CTRL = snd_ali_control_mode(substream);
+
+ GVSEL = 1;
+ PAN = 0;
+ VOL = 0;
+ EC = 0;
+ dev_dbg(codec->card->dev, "playback_prepare:\n");
+ dev_dbg(codec->card->dev,
+ "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
+ pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
+ snd_ali_write_voice_regs(codec,
+ pvoice->number,
+ LBA,
+ 0, /* cso */
+ ESO,
+ Delta,
+ 0, /* alpha */
+ GVSEL,
+ PAN,
+ VOL,
+ CTRL,
+ EC);
+ if (evoice) {
+ evoice->count = pvoice->count;
+ evoice->eso = pvoice->count << 1;
+ ESO = evoice->eso - 1;
+ snd_ali_write_voice_regs(codec,
+ evoice->number,
+ LBA,
+ 0, /* cso */
+ ESO,
+ Delta,
+ 0, /* alpha */
+ GVSEL,
+ 0x7f,
+ 0x3ff,
+ CTRL,
+ EC);
+ }
+ spin_unlock_irq(&codec->reg_lock);
+ return 0;
+}
+
+
+static int snd_ali_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_ali *codec = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_ali_voice *pvoice = runtime->private_data;
+ unsigned int LBA;
+ unsigned int Delta;
+ unsigned int ESO;
+ unsigned int CTRL;
+ unsigned int GVSEL;
+ unsigned int PAN;
+ unsigned int VOL;
+ unsigned int EC;
+ u8 bValue;
+
+ spin_lock_irq(&codec->reg_lock);
+
+ dev_dbg(codec->card->dev, "ali_prepare...\n");
+
+ snd_ali_enable_special_channel(codec,pvoice->number);
+
+ Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
+ pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
+ 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
+
+ /* Prepare capture intr channel */
+ if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
+
+ unsigned int rate;
+
+ spin_unlock_irq(&codec->reg_lock);
+ if (codec->revision != ALI_5451_V02)
+ return -1;
+
+ rate = snd_ali_get_spdif_in_rate(codec);
+ if (rate == 0) {
+ dev_warn(codec->card->dev,
+ "ali_capture_preapre: 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);
+
+ 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);
+
+ 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;
+ struct snd_ali *codec;
+
+ if (pvoice) {
+ codec = pvoice->codec;
+ 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 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 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 unsigned int rates[] = {8000, 9600, 12000, 16000};
+ static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
+ .count = ARRAY_SIZE(rates),
+ .list = rates,
+ .mask = 0,
+ };
+ int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
+
+ if (err)
+ return err;
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ 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 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 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;
+ struct snd_pcm_ops *playback_ops;
+ 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 (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
+ pci_set_consistent_dma_mask(pci, 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);
Code Review / kvmfornfv.git / blobdiff