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-
- #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 <sound/core.h>
- #include <sound/pcm.h>
- #include <sound/ac97_codec.h>
- #include <sound/info.h>
- #include <sound/initval.h>
- MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
- MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; "
- "SiS 7013; NVidia MCP/2/2S/3 modems");
- MODULE_LICENSE("GPL");
- MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
- "{Intel,82901AB-ICH0},"
- "{Intel,82801BA-ICH2},"
- "{Intel,82801CA-ICH3},"
- "{Intel,82801DB-ICH4},"
- "{Intel,ICH5},"
- "{Intel,ICH6},"
- "{Intel,ICH7},"
- "{Intel,MX440},"
- "{SiS,7013},"
- "{NVidia,NForce Modem},"
- "{NVidia,NForce2 Modem},"
- "{NVidia,NForce2s Modem},"
- "{NVidia,NForce3 Modem},"
- "{AMD,AMD768}}");
- static int index = -2;
- static char *id = SNDRV_DEFAULT_STR1;
- static int ac97_clock;
- module_param(index, int, 0444);
- MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard.");
- module_param(id, charp, 0444);
- MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard.");
- module_param(ac97_clock, int, 0444);
- MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect).");
- static bool enable;
- module_param(enable, bool, 0444);
- enum { DEVICE_INTEL, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
- #define ICHREG(x) ICH_REG_##x
- #define DEFINE_REGSET(name,base) \
- enum { \
- ICH_REG_##name##_BDBAR = base + 0x0, \
- ICH_REG_##name##_CIV = base + 0x04, \
- ICH_REG_##name##_LVI = base + 0x05, \
- ICH_REG_##name##_SR = base + 0x06, \
- ICH_REG_##name##_PICB = base + 0x08, \
- ICH_REG_##name##_PIV = base + 0x0a, \
- ICH_REG_##name##_CR = base + 0x0b, \
- };
- DEFINE_REGSET(OFF, 0);
- #define ICH_REG_LVI_MASK 0x1f
- #define ICH_FIFOE 0x10
- #define ICH_BCIS 0x08
- #define ICH_LVBCI 0x04
- #define ICH_CELV 0x02
- #define ICH_DCH 0x01
- #define ICH_REG_PIV_MASK 0x1f
- #define ICH_IOCE 0x10
- #define ICH_FEIE 0x08
- #define ICH_LVBIE 0x04
- #define ICH_RESETREGS 0x02
- #define ICH_STARTBM 0x01
- #define ICH_REG_GLOB_CNT 0x3c
- #define ICH_TRIE 0x00000040
- #define ICH_SRIE 0x00000020
- #define ICH_PRIE 0x00000010
- #define ICH_ACLINK 0x00000008
- #define ICH_AC97WARM 0x00000004
- #define ICH_AC97COLD 0x00000002
- #define ICH_GIE 0x00000001
- #define ICH_REG_GLOB_STA 0x40
- #define ICH_TRI 0x20000000
- #define ICH_TCR 0x10000000
- #define ICH_BCS 0x08000000
- #define ICH_SPINT 0x04000000
- #define ICH_P2INT 0x02000000
- #define ICH_M2INT 0x01000000
- #define ICH_SAMPLE_CAP 0x00c00000
- #define ICH_MULTICHAN_CAP 0x00300000
- #define ICH_MD3 0x00020000
- #define ICH_AD3 0x00010000
- #define ICH_RCS 0x00008000
- #define ICH_BIT3 0x00004000
- #define ICH_BIT2 0x00002000
- #define ICH_BIT1 0x00001000
- #define ICH_SRI 0x00000800
- #define ICH_PRI 0x00000400
- #define ICH_SCR 0x00000200
- #define ICH_PCR 0x00000100
- #define ICH_MCINT 0x00000080
- #define ICH_POINT 0x00000040
- #define ICH_PIINT 0x00000020
- #define ICH_NVSPINT 0x00000010
- #define ICH_MOINT 0x00000004
- #define ICH_MIINT 0x00000002
- #define ICH_GSCI 0x00000001
- #define ICH_REG_ACC_SEMA 0x44
- #define ICH_CAS 0x01
- #define ICH_MAX_FRAGS 32
- enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT };
- enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT };
- #define get_ichdev(substream) (substream->runtime->private_data)
- struct ichdev {
- unsigned int ichd;
- unsigned long reg_offset;
- u32 *bdbar;
- unsigned int bdbar_addr;
- struct snd_pcm_substream *substream;
- unsigned int physbuf;
- unsigned int size;
- unsigned int fragsize;
- unsigned int fragsize1;
- unsigned int position;
- int frags;
- int lvi;
- int lvi_frag;
- int civ;
- int ack;
- int ack_reload;
- unsigned int ack_bit;
- unsigned int roff_sr;
- unsigned int roff_picb;
- unsigned int int_sta_mask;
- unsigned int ali_slot;
- struct snd_ac97 *ac97;
- };
- struct intel8x0m {
- unsigned int device_type;
- int irq;
- void __iomem *addr;
- void __iomem *bmaddr;
- struct pci_dev *pci;
- struct snd_card *card;
- int pcm_devs;
- struct snd_pcm *pcm[2];
- struct ichdev ichd[2];
- unsigned int in_ac97_init: 1;
- struct snd_ac97_bus *ac97_bus;
- struct snd_ac97 *ac97;
- spinlock_t reg_lock;
-
- struct snd_dma_buffer bdbars;
- u32 bdbars_count;
- u32 int_sta_reg;
- u32 int_sta_mask;
- unsigned int pcm_pos_shift;
- };
- static const struct pci_device_id snd_intel8x0m_ids[] = {
- { PCI_VDEVICE(INTEL, 0x2416), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x2426), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x2446), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x2486), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x24c6), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x24d6), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x266d), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x27dd), DEVICE_INTEL },
- { PCI_VDEVICE(INTEL, 0x7196), DEVICE_INTEL },
- { PCI_VDEVICE(AMD, 0x7446), DEVICE_INTEL },
- { PCI_VDEVICE(SI, 0x7013), DEVICE_SIS },
- { PCI_VDEVICE(NVIDIA, 0x01c1), DEVICE_NFORCE },
- { PCI_VDEVICE(NVIDIA, 0x0069), DEVICE_NFORCE },
- { PCI_VDEVICE(NVIDIA, 0x0089), DEVICE_NFORCE },
- { PCI_VDEVICE(NVIDIA, 0x00d9), DEVICE_NFORCE },
- { PCI_VDEVICE(AMD, 0x746e), DEVICE_INTEL },
- #if 0
- { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },
- #endif
- { 0, }
- };
- MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids);
- static inline u8 igetbyte(struct intel8x0m *chip, u32 offset)
- {
- return ioread8(chip->bmaddr + offset);
- }
- static inline u16 igetword(struct intel8x0m *chip, u32 offset)
- {
- return ioread16(chip->bmaddr + offset);
- }
- static inline u32 igetdword(struct intel8x0m *chip, u32 offset)
- {
- return ioread32(chip->bmaddr + offset);
- }
- static inline void iputbyte(struct intel8x0m *chip, u32 offset, u8 val)
- {
- iowrite8(val, chip->bmaddr + offset);
- }
- static inline void iputword(struct intel8x0m *chip, u32 offset, u16 val)
- {
- iowrite16(val, chip->bmaddr + offset);
- }
- static inline void iputdword(struct intel8x0m *chip, u32 offset, u32 val)
- {
- iowrite32(val, chip->bmaddr + offset);
- }
- static inline u16 iagetword(struct intel8x0m *chip, u32 offset)
- {
- return ioread16(chip->addr + offset);
- }
- static inline void iaputword(struct intel8x0m *chip, u32 offset, u16 val)
- {
- iowrite16(val, chip->addr + offset);
- }
- static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec)
- {
- static unsigned int codec_bit[3] = {
- ICH_PCR, ICH_SCR, ICH_TCR
- };
- if (snd_BUG_ON(codec >= 3))
- return ICH_PCR;
- return codec_bit[codec];
- }
- static int snd_intel8x0m_codec_semaphore(struct intel8x0m *chip, unsigned int codec)
- {
- int time;
-
- if (codec > 1)
- return -EIO;
- codec = get_ich_codec_bit(chip, codec);
-
- if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
- return -EIO;
-
- time = 100;
- do {
- if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
- return 0;
- udelay(10);
- } while (time--);
-
- dev_err(chip->card->dev,
- "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
- igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
- iagetword(chip, 0);
-
- return -EBUSY;
- }
-
- static void snd_intel8x0m_codec_write(struct snd_ac97 *ac97,
- unsigned short reg,
- unsigned short val)
- {
- struct intel8x0m *chip = ac97->private_data;
-
- if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) {
- if (! chip->in_ac97_init)
- dev_err(chip->card->dev,
- "codec_write %d: semaphore is not ready for register 0x%x\n",
- ac97->num, reg);
- }
- iaputword(chip, reg + ac97->num * 0x80, val);
- }
- static unsigned short snd_intel8x0m_codec_read(struct snd_ac97 *ac97,
- unsigned short reg)
- {
- struct intel8x0m *chip = ac97->private_data;
- unsigned short res;
- unsigned int tmp;
- if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) {
- if (! chip->in_ac97_init)
- dev_err(chip->card->dev,
- "codec_read %d: semaphore is not ready for register 0x%x\n",
- ac97->num, reg);
- res = 0xffff;
- } else {
- res = iagetword(chip, reg + ac97->num * 0x80);
- if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
-
- iputdword(chip, ICHREG(GLOB_STA),
- tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
- if (! chip->in_ac97_init)
- dev_err(chip->card->dev,
- "codec_read %d: read timeout for register 0x%x\n",
- ac97->num, reg);
- res = 0xffff;
- }
- }
- if (reg == AC97_GPIO_STATUS)
- iagetword(chip, 0);
- return res;
- }
- static void snd_intel8x0m_setup_periods(struct intel8x0m *chip, struct ichdev *ichdev)
- {
- int idx;
- u32 *bdbar = ichdev->bdbar;
- unsigned long port = ichdev->reg_offset;
- iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
- if (ichdev->size == ichdev->fragsize) {
- ichdev->ack_reload = ichdev->ack = 2;
- ichdev->fragsize1 = ichdev->fragsize >> 1;
- for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
- bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
- bdbar[idx + 1] = cpu_to_le32(0x80000000 |
- ichdev->fragsize1 >> chip->pcm_pos_shift);
- bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
- bdbar[idx + 3] = cpu_to_le32(0x80000000 |
- ichdev->fragsize1 >> chip->pcm_pos_shift);
- }
- ichdev->frags = 2;
- } else {
- ichdev->ack_reload = ichdev->ack = 1;
- ichdev->fragsize1 = ichdev->fragsize;
- for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
- bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + (((idx >> 1) * ichdev->fragsize) % ichdev->size));
- bdbar[idx + 1] = cpu_to_le32(0x80000000 |
- ichdev->fragsize >> chip->pcm_pos_shift);
-
- }
- ichdev->frags = ichdev->size / ichdev->fragsize;
- }
- iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
- ichdev->civ = 0;
- iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
- ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
- ichdev->position = 0;
- #if 0
- dev_dbg(chip->card->dev,
- "lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
- ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
- ichdev->fragsize1);
- #endif
-
- iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
- }
- static inline void snd_intel8x0m_update(struct intel8x0m *chip, struct ichdev *ichdev)
- {
- unsigned long port = ichdev->reg_offset;
- int civ, i, step;
- int ack = 0;
- civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
- if (civ == ichdev->civ) {
-
- step = 1;
- ichdev->civ++;
- ichdev->civ &= ICH_REG_LVI_MASK;
- } else {
- step = civ - ichdev->civ;
- if (step < 0)
- step += ICH_REG_LVI_MASK + 1;
-
-
- ichdev->civ = civ;
- }
- ichdev->position += step * ichdev->fragsize1;
- ichdev->position %= ichdev->size;
- ichdev->lvi += step;
- ichdev->lvi &= ICH_REG_LVI_MASK;
- iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
- for (i = 0; i < step; i++) {
- ichdev->lvi_frag++;
- ichdev->lvi_frag %= ichdev->frags;
- ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf +
- ichdev->lvi_frag *
- ichdev->fragsize1);
- #if 0
- dev_dbg(chip->card->dev,
- "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
- ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
- ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
- inl(port + 4), inb(port + ICH_REG_OFF_CR));
- #endif
- if (--ichdev->ack == 0) {
- ichdev->ack = ichdev->ack_reload;
- ack = 1;
- }
- }
- if (ack && ichdev->substream) {
- spin_unlock(&chip->reg_lock);
- snd_pcm_period_elapsed(ichdev->substream);
- spin_lock(&chip->reg_lock);
- }
- iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
- }
- static irqreturn_t snd_intel8x0m_interrupt(int irq, void *dev_id)
- {
- struct intel8x0m *chip = dev_id;
- struct ichdev *ichdev;
- unsigned int status;
- unsigned int i;
- spin_lock(&chip->reg_lock);
- status = igetdword(chip, chip->int_sta_reg);
- if (status == 0xffffffff) {
- spin_unlock(&chip->reg_lock);
- return IRQ_NONE;
- }
- if ((status & chip->int_sta_mask) == 0) {
- if (status)
- iputdword(chip, chip->int_sta_reg, status);
- spin_unlock(&chip->reg_lock);
- return IRQ_NONE;
- }
- for (i = 0; i < chip->bdbars_count; i++) {
- ichdev = &chip->ichd[i];
- if (status & ichdev->int_sta_mask)
- snd_intel8x0m_update(chip, ichdev);
- }
-
- iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
- spin_unlock(&chip->reg_lock);
-
- return IRQ_HANDLED;
- }
- static int snd_intel8x0m_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- struct ichdev *ichdev = get_ichdev(substream);
- unsigned char val = 0;
- unsigned long port = ichdev->reg_offset;
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- val = ICH_IOCE | ICH_STARTBM;
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- val = 0;
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- val = ICH_IOCE;
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- val = ICH_IOCE | ICH_STARTBM;
- break;
- default:
- return -EINVAL;
- }
- iputbyte(chip, port + ICH_REG_OFF_CR, val);
- if (cmd == SNDRV_PCM_TRIGGER_STOP) {
-
- while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
-
- iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
- }
- return 0;
- }
- static int snd_intel8x0m_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_intel8x0m_hw_free(struct snd_pcm_substream *substream)
- {
- return snd_pcm_lib_free_pages(substream);
- }
- static snd_pcm_uframes_t snd_intel8x0m_pcm_pointer(struct snd_pcm_substream *substream)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- struct ichdev *ichdev = get_ichdev(substream);
- size_t ptr1, ptr;
- ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift;
- if (ptr1 != 0)
- ptr = ichdev->fragsize1 - ptr1;
- else
- ptr = 0;
- ptr += ichdev->position;
- if (ptr >= ichdev->size)
- return 0;
- return bytes_to_frames(substream->runtime, ptr);
- }
- static int snd_intel8x0m_pcm_prepare(struct snd_pcm_substream *substream)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct ichdev *ichdev = get_ichdev(substream);
- ichdev->physbuf = runtime->dma_addr;
- ichdev->size = snd_pcm_lib_buffer_bytes(substream);
- ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
- snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate);
- snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0);
- snd_intel8x0m_setup_periods(chip, ichdev);
- return 0;
- }
- static struct snd_pcm_hardware snd_intel8x0m_stream =
- {
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_RESUME),
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
- .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT,
- .rate_min = 8000,
- .rate_max = 16000,
- .channels_min = 1,
- .channels_max = 1,
- .buffer_bytes_max = 64 * 1024,
- .period_bytes_min = 32,
- .period_bytes_max = 64 * 1024,
- .periods_min = 1,
- .periods_max = 1024,
- .fifo_size = 0,
- };
- static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
- {
- static unsigned int rates[] = { 8000, 9600, 12000, 16000 };
- static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
- .count = ARRAY_SIZE(rates),
- .list = rates,
- .mask = 0,
- };
- struct snd_pcm_runtime *runtime = substream->runtime;
- int err;
- ichdev->substream = substream;
- runtime->hw = snd_intel8x0m_stream;
- err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
- &hw_constraints_rates);
- if ( err < 0 )
- return err;
- runtime->private_data = ichdev;
- return 0;
- }
- static int snd_intel8x0m_playback_open(struct snd_pcm_substream *substream)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]);
- }
- static int snd_intel8x0m_playback_close(struct snd_pcm_substream *substream)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- chip->ichd[ICHD_MDMOUT].substream = NULL;
- return 0;
- }
- static int snd_intel8x0m_capture_open(struct snd_pcm_substream *substream)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]);
- }
- static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream)
- {
- struct intel8x0m *chip = snd_pcm_substream_chip(substream);
- chip->ichd[ICHD_MDMIN].substream = NULL;
- return 0;
- }
- static struct snd_pcm_ops snd_intel8x0m_playback_ops = {
- .open = snd_intel8x0m_playback_open,
- .close = snd_intel8x0m_playback_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_intel8x0m_hw_params,
- .hw_free = snd_intel8x0m_hw_free,
- .prepare = snd_intel8x0m_pcm_prepare,
- .trigger = snd_intel8x0m_pcm_trigger,
- .pointer = snd_intel8x0m_pcm_pointer,
- };
- static struct snd_pcm_ops snd_intel8x0m_capture_ops = {
- .open = snd_intel8x0m_capture_open,
- .close = snd_intel8x0m_capture_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_intel8x0m_hw_params,
- .hw_free = snd_intel8x0m_hw_free,
- .prepare = snd_intel8x0m_pcm_prepare,
- .trigger = snd_intel8x0m_pcm_trigger,
- .pointer = snd_intel8x0m_pcm_pointer,
- };
- struct ich_pcm_table {
- char *suffix;
- struct snd_pcm_ops *playback_ops;
- struct snd_pcm_ops *capture_ops;
- size_t prealloc_size;
- size_t prealloc_max_size;
- int ac97_idx;
- };
- static int snd_intel8x0m_pcm1(struct intel8x0m *chip, int device,
- struct ich_pcm_table *rec)
- {
- struct snd_pcm *pcm;
- int err;
- char name[32];
- if (rec->suffix)
- sprintf(name, "Intel ICH - %s", rec->suffix);
- else
- strcpy(name, "Intel ICH");
- err = snd_pcm_new(chip->card, name, device,
- rec->playback_ops ? 1 : 0,
- rec->capture_ops ? 1 : 0, &pcm);
- if (err < 0)
- return err;
- if (rec->playback_ops)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
- if (rec->capture_ops)
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
- pcm->private_data = chip;
- pcm->info_flags = 0;
- pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
- if (rec->suffix)
- sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
- else
- strcpy(pcm->name, chip->card->shortname);
- chip->pcm[device] = pcm;
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->pci),
- rec->prealloc_size,
- rec->prealloc_max_size);
- return 0;
- }
- static struct ich_pcm_table intel_pcms[] = {
- {
- .suffix = "Modem",
- .playback_ops = &snd_intel8x0m_playback_ops,
- .capture_ops = &snd_intel8x0m_capture_ops,
- .prealloc_size = 32 * 1024,
- .prealloc_max_size = 64 * 1024,
- },
- };
- static int snd_intel8x0m_pcm(struct intel8x0m *chip)
- {
- int i, tblsize, device, err;
- struct ich_pcm_table *tbl, *rec;
- #if 1
- tbl = intel_pcms;
- tblsize = 1;
- #else
- switch (chip->device_type) {
- case DEVICE_NFORCE:
- tbl = nforce_pcms;
- tblsize = ARRAY_SIZE(nforce_pcms);
- break;
- case DEVICE_ALI:
- tbl = ali_pcms;
- tblsize = ARRAY_SIZE(ali_pcms);
- break;
- default:
- tbl = intel_pcms;
- tblsize = 2;
- break;
- }
- #endif
- device = 0;
- for (i = 0; i < tblsize; i++) {
- rec = tbl + i;
- if (i > 0 && rec->ac97_idx) {
-
- if (! chip->ichd[rec->ac97_idx].ac97)
- continue;
- }
- err = snd_intel8x0m_pcm1(chip, device, rec);
- if (err < 0)
- return err;
- device++;
- }
- chip->pcm_devs = device;
- return 0;
- }
-
- static void snd_intel8x0m_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
- {
- struct intel8x0m *chip = bus->private_data;
- chip->ac97_bus = NULL;
- }
- static void snd_intel8x0m_mixer_free_ac97(struct snd_ac97 *ac97)
- {
- struct intel8x0m *chip = ac97->private_data;
- chip->ac97 = NULL;
- }
- static int snd_intel8x0m_mixer(struct intel8x0m *chip, int ac97_clock)
- {
- struct snd_ac97_bus *pbus;
- struct snd_ac97_template ac97;
- struct snd_ac97 *x97;
- int err;
- unsigned int glob_sta = 0;
- static struct snd_ac97_bus_ops ops = {
- .write = snd_intel8x0m_codec_write,
- .read = snd_intel8x0m_codec_read,
- };
- chip->in_ac97_init = 1;
-
- memset(&ac97, 0, sizeof(ac97));
- ac97.private_data = chip;
- ac97.private_free = snd_intel8x0m_mixer_free_ac97;
- ac97.scaps = AC97_SCAP_SKIP_AUDIO | AC97_SCAP_POWER_SAVE;
- glob_sta = igetdword(chip, ICHREG(GLOB_STA));
- if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
- goto __err;
- pbus->private_free = snd_intel8x0m_mixer_free_ac97_bus;
- if (ac97_clock >= 8000 && ac97_clock <= 48000)
- pbus->clock = ac97_clock;
- chip->ac97_bus = pbus;
- ac97.pci = chip->pci;
- ac97.num = glob_sta & ICH_SCR ? 1 : 0;
- if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) {
- dev_err(chip->card->dev,
- "Unable to initialize codec #%d\n", ac97.num);
- if (ac97.num == 0)
- goto __err;
- return err;
- }
- chip->ac97 = x97;
- if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97) {
- chip->ichd[ICHD_MDMIN].ac97 = x97;
- chip->ichd[ICHD_MDMOUT].ac97 = x97;
- }
- chip->in_ac97_init = 0;
- return 0;
- __err:
-
- if (chip->device_type != DEVICE_ALI)
- iputdword(chip, ICHREG(GLOB_CNT),
- igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
- return err;
- }
- static int snd_intel8x0m_ich_chip_init(struct intel8x0m *chip, int probing)
- {
- unsigned long end_time;
- unsigned int cnt, status, nstatus;
-
-
-
- status = ICH_RCS | ICH_MIINT | ICH_MOINT;
- cnt = igetdword(chip, ICHREG(GLOB_STA));
- iputdword(chip, ICHREG(GLOB_STA), cnt & status);
-
- cnt = igetdword(chip, ICHREG(GLOB_CNT));
- cnt &= ~(ICH_ACLINK);
-
- cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
- iputdword(chip, ICHREG(GLOB_CNT), cnt);
- usleep_range(500, 1000);
- end_time = jiffies + HZ / 4;
- do {
- if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
- goto __ok;
- schedule_timeout_uninterruptible(1);
- } while (time_after_eq(end_time, jiffies));
- dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n",
- igetdword(chip, ICHREG(GLOB_CNT)));
- return -EIO;
- __ok:
- if (probing) {
-
- end_time = jiffies + HZ;
- do {
- status = igetdword(chip, ICHREG(GLOB_STA)) &
- (ICH_PCR | ICH_SCR | ICH_TCR);
- if (status)
- break;
- schedule_timeout_uninterruptible(1);
- } while (time_after_eq(end_time, jiffies));
- if (! status) {
-
- dev_err(chip->card->dev,
- "codec_ready: codec is not ready [0x%x]\n",
- igetdword(chip, ICHREG(GLOB_STA)));
- return -EIO;
- }
-
- nstatus = ICH_PCR | ICH_SCR;
-
- end_time = jiffies + HZ / 4;
- while (status != nstatus && time_after_eq(end_time, jiffies)) {
- schedule_timeout_uninterruptible(1);
- status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus;
- }
- } else {
-
- status = 0;
- if (chip->ac97)
- status |= get_ich_codec_bit(chip, chip->ac97->num);
-
- end_time = jiffies + HZ;
- do {
- nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
- (ICH_PCR | ICH_SCR | ICH_TCR);
- if (status == nstatus)
- break;
- schedule_timeout_uninterruptible(1);
- } while (time_after_eq(end_time, jiffies));
- }
- if (chip->device_type == DEVICE_SIS) {
-
- iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
- }
- return 0;
- }
- static int snd_intel8x0m_chip_init(struct intel8x0m *chip, int probing)
- {
- unsigned int i;
- int err;
-
- if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0)
- return err;
- iagetword(chip, 0);
-
- for (i = 0; i < chip->bdbars_count; i++)
- iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
-
- for (i = 0; i < chip->bdbars_count; i++)
- iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
-
- for (i = 0; i < chip->bdbars_count; i++)
- iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr);
- return 0;
- }
- static int snd_intel8x0m_free(struct intel8x0m *chip)
- {
- unsigned int i;
- if (chip->irq < 0)
- goto __hw_end;
-
- for (i = 0; i < chip->bdbars_count; i++)
- iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
-
- for (i = 0; i < chip->bdbars_count; i++)
- iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
- __hw_end:
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
- if (chip->bdbars.area)
- snd_dma_free_pages(&chip->bdbars);
- if (chip->addr)
- pci_iounmap(chip->pci, chip->addr);
- if (chip->bmaddr)
- pci_iounmap(chip->pci, chip->bmaddr);
- pci_release_regions(chip->pci);
- pci_disable_device(chip->pci);
- kfree(chip);
- return 0;
- }
- #ifdef CONFIG_PM_SLEEP
- static int intel8x0m_suspend(struct device *dev)
- {
- struct snd_card *card = dev_get_drvdata(dev);
- struct intel8x0m *chip = card->private_data;
- int i;
- snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
- for (i = 0; i < chip->pcm_devs; i++)
- snd_pcm_suspend_all(chip->pcm[i]);
- snd_ac97_suspend(chip->ac97);
- if (chip->irq >= 0) {
- free_irq(chip->irq, chip);
- chip->irq = -1;
- }
- return 0;
- }
- static int intel8x0m_resume(struct device *dev)
- {
- struct pci_dev *pci = to_pci_dev(dev);
- struct snd_card *card = dev_get_drvdata(dev);
- struct intel8x0m *chip = card->private_data;
- if (request_irq(pci->irq, snd_intel8x0m_interrupt,
- IRQF_SHARED, KBUILD_MODNAME, chip)) {
- dev_err(dev, "unable to grab IRQ %d, disabling device\n",
- pci->irq);
- snd_card_disconnect(card);
- return -EIO;
- }
- chip->irq = pci->irq;
- snd_intel8x0m_chip_init(chip, 0);
- snd_ac97_resume(chip->ac97);
- snd_power_change_state(card, SNDRV_CTL_POWER_D0);
- return 0;
- }
- static SIMPLE_DEV_PM_OPS(intel8x0m_pm, intel8x0m_suspend, intel8x0m_resume);
- #define INTEL8X0M_PM_OPS &intel8x0m_pm
- #else
- #define INTEL8X0M_PM_OPS NULL
- #endif
- static void snd_intel8x0m_proc_read(struct snd_info_entry * entry,
- struct snd_info_buffer *buffer)
- {
- struct intel8x0m *chip = entry->private_data;
- unsigned int tmp;
- snd_iprintf(buffer, "Intel8x0m\n\n");
- if (chip->device_type == DEVICE_ALI)
- return;
- tmp = igetdword(chip, ICHREG(GLOB_STA));
- snd_iprintf(buffer, "Global control : 0x%08x\n",
- igetdword(chip, ICHREG(GLOB_CNT)));
- snd_iprintf(buffer, "Global status : 0x%08x\n", tmp);
- snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n",
- tmp & ICH_PCR ? " primary" : "",
- tmp & ICH_SCR ? " secondary" : "",
- tmp & ICH_TCR ? " tertiary" : "",
- (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : "");
- }
- static void snd_intel8x0m_proc_init(struct intel8x0m *chip)
- {
- struct snd_info_entry *entry;
- if (! snd_card_proc_new(chip->card, "intel8x0m", &entry))
- snd_info_set_text_ops(entry, chip, snd_intel8x0m_proc_read);
- }
- static int snd_intel8x0m_dev_free(struct snd_device *device)
- {
- struct intel8x0m *chip = device->device_data;
- return snd_intel8x0m_free(chip);
- }
- struct ich_reg_info {
- unsigned int int_sta_mask;
- unsigned int offset;
- };
- static int snd_intel8x0m_create(struct snd_card *card,
- struct pci_dev *pci,
- unsigned long device_type,
- struct intel8x0m **r_intel8x0m)
- {
- struct intel8x0m *chip;
- int err;
- unsigned int i;
- unsigned int int_sta_masks;
- struct ichdev *ichdev;
- static struct snd_device_ops ops = {
- .dev_free = snd_intel8x0m_dev_free,
- };
- static struct ich_reg_info intel_regs[2] = {
- { ICH_MIINT, 0 },
- { ICH_MOINT, 0x10 },
- };
- struct ich_reg_info *tbl;
- *r_intel8x0m = NULL;
- if ((err = pci_enable_device(pci)) < 0)
- return err;
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL) {
- pci_disable_device(pci);
- return -ENOMEM;
- }
- spin_lock_init(&chip->reg_lock);
- chip->device_type = device_type;
- chip->card = card;
- chip->pci = pci;
- chip->irq = -1;
- if ((err = pci_request_regions(pci, card->shortname)) < 0) {
- kfree(chip);
- pci_disable_device(pci);
- return err;
- }
- if (device_type == DEVICE_ALI) {
-
- chip->bmaddr = pci_iomap(pci, 0, 0);
- goto port_inited;
- }
- if (pci_resource_flags(pci, 2) & IORESOURCE_MEM)
- chip->addr = pci_iomap(pci, 2, 0);
- else
- chip->addr = pci_iomap(pci, 0, 0);
- if (!chip->addr) {
- dev_err(card->dev, "AC'97 space ioremap problem\n");
- snd_intel8x0m_free(chip);
- return -EIO;
- }
- if (pci_resource_flags(pci, 3) & IORESOURCE_MEM)
- chip->bmaddr = pci_iomap(pci, 3, 0);
- else
- chip->bmaddr = pci_iomap(pci, 1, 0);
- if (!chip->bmaddr) {
- dev_err(card->dev, "Controller space ioremap problem\n");
- snd_intel8x0m_free(chip);
- return -EIO;
- }
- port_inited:
- if (request_irq(pci->irq, snd_intel8x0m_interrupt, IRQF_SHARED,
- KBUILD_MODNAME, chip)) {
- dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
- snd_intel8x0m_free(chip);
- return -EBUSY;
- }
- chip->irq = pci->irq;
- pci_set_master(pci);
- synchronize_irq(chip->irq);
-
- chip->bdbars_count = 2;
- tbl = intel_regs;
- for (i = 0; i < chip->bdbars_count; i++) {
- ichdev = &chip->ichd[i];
- ichdev->ichd = i;
- ichdev->reg_offset = tbl[i].offset;
- ichdev->int_sta_mask = tbl[i].int_sta_mask;
- if (device_type == DEVICE_SIS) {
-
- ichdev->roff_sr = ICH_REG_OFF_PICB;
- ichdev->roff_picb = ICH_REG_OFF_SR;
- } else {
- ichdev->roff_sr = ICH_REG_OFF_SR;
- ichdev->roff_picb = ICH_REG_OFF_PICB;
- }
- if (device_type == DEVICE_ALI)
- ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
- }
-
- chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
-
-
- if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
- chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
- &chip->bdbars) < 0) {
- snd_intel8x0m_free(chip);
- return -ENOMEM;
- }
-
- int_sta_masks = 0;
- for (i = 0; i < chip->bdbars_count; i++) {
- ichdev = &chip->ichd[i];
- ichdev->bdbar = ((u32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2);
- ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
- int_sta_masks |= ichdev->int_sta_mask;
- }
- chip->int_sta_reg = ICH_REG_GLOB_STA;
- chip->int_sta_mask = int_sta_masks;
- if ((err = snd_intel8x0m_chip_init(chip, 1)) < 0) {
- snd_intel8x0m_free(chip);
- return err;
- }
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
- snd_intel8x0m_free(chip);
- return err;
- }
- *r_intel8x0m = chip;
- return 0;
- }
- static struct shortname_table {
- unsigned int id;
- const char *s;
- } shortnames[] = {
- { PCI_DEVICE_ID_INTEL_82801AA_6, "Intel 82801AA-ICH" },
- { PCI_DEVICE_ID_INTEL_82801AB_6, "Intel 82901AB-ICH0" },
- { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" },
- { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" },
- { PCI_DEVICE_ID_INTEL_82801CA_6, "Intel 82801CA-ICH3" },
- { PCI_DEVICE_ID_INTEL_82801DB_6, "Intel 82801DB-ICH4" },
- { PCI_DEVICE_ID_INTEL_82801EB_6, "Intel ICH5" },
- { PCI_DEVICE_ID_INTEL_ICH6_17, "Intel ICH6" },
- { PCI_DEVICE_ID_INTEL_ICH7_19, "Intel ICH7" },
- { 0x7446, "AMD AMD768" },
- { PCI_DEVICE_ID_SI_7013, "SiS SI7013" },
- { PCI_DEVICE_ID_NVIDIA_MCP1_MODEM, "NVidia nForce" },
- { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" },
- { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" },
- { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" },
- { 0x746e, "AMD AMD8111" },
- #if 0
- { 0x5455, "ALi M5455" },
- #endif
- { 0 },
- };
- static int snd_intel8x0m_probe(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
- {
- struct snd_card *card;
- struct intel8x0m *chip;
- int err;
- struct shortname_table *name;
- err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
- if (err < 0)
- return err;
- strcpy(card->driver, "ICH-MODEM");
- strcpy(card->shortname, "Intel ICH");
- for (name = shortnames; name->id; name++) {
- if (pci->device == name->id) {
- strcpy(card->shortname, name->s);
- break;
- }
- }
- strcat(card->shortname," Modem");
- if ((err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip)) < 0) {
- snd_card_free(card);
- return err;
- }
- card->private_data = chip;
- if ((err = snd_intel8x0m_mixer(chip, ac97_clock)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_intel8x0m_pcm(chip)) < 0) {
- snd_card_free(card);
- return err;
- }
-
- snd_intel8x0m_proc_init(chip);
- sprintf(card->longname, "%s at irq %i",
- card->shortname, chip->irq);
- if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
- return err;
- }
- pci_set_drvdata(pci, card);
- return 0;
- }
- static void snd_intel8x0m_remove(struct pci_dev *pci)
- {
- snd_card_free(pci_get_drvdata(pci));
- }
- static struct pci_driver intel8x0m_driver = {
- .name = KBUILD_MODNAME,
- .id_table = snd_intel8x0m_ids,
- .probe = snd_intel8x0m_probe,
- .remove = snd_intel8x0m_remove,
- .driver = {
- .pm = INTEL8X0M_PM_OPS,
- },
- };
- module_pci_driver(intel8x0m_driver);
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