- 根目录:
- sound
- pci
- hda
- hda_intel.c
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/mutex.h>
#include <linux/reboot.h>
#include <sound/core.h>
#include <sound/initval.h>
#include "hda_codec.h"
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
static char *model[SNDRV_CARDS];
static int position_fix[SNDRV_CARDS];
static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
static int probe_only[SNDRV_CARDS];
static int single_cmd;
static int enable_msi = -1;
#ifdef CONFIG_SND_HDA_PATCH_LOADER
static char *patch[SNDRV_CARDS];
#endif
#ifdef CONFIG_SND_HDA_INPUT_BEEP
static int beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
CONFIG_SND_HDA_INPUT_BEEP_MODE};
#endif
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
module_param_array(model, charp, NULL, 0444);
MODULE_PARM_DESC(model, "Use the given board model.");
module_param_array(position_fix, int, NULL, 0444);
MODULE_PARM_DESC(position_fix, "DMA pointer read method."
"(0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO).");
module_param_array(bdl_pos_adj, int, NULL, 0644);
MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
module_param_array(probe_mask, int, NULL, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
module_param_array(probe_only, int, NULL, 0444);
MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
module_param(single_cmd, bool, 0444);
MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
"(for debugging only).");
module_param(enable_msi, int, 0444);
MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
#ifdef CONFIG_SND_HDA_PATCH_LOADER
module_param_array(patch, charp, NULL, 0444);
MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
#endif
#ifdef CONFIG_SND_HDA_INPUT_BEEP
module_param_array(beep_mode, int, NULL, 0444);
MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
"(0=off, 1=on, 2=mute switch on/off) (default=1).");
#endif
#ifdef CONFIG_SND_HDA_POWER_SAVE
static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
module_param(power_save, int, 0644);
MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
"(in second, 0 = disable).");
static int power_save_controller = 1;
module_param(power_save_controller, bool, 0644);
MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
#endif
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
"{Intel, ICH6M},"
"{Intel, ICH7},"
"{Intel, ESB2},"
"{Intel, ICH8},"
"{Intel, ICH9},"
"{Intel, ICH10},"
"{Intel, PCH},"
"{Intel, CPT},"
"{Intel, PBG},"
"{Intel, SCH},"
"{ATI, SB450},"
"{ATI, SB600},"
"{ATI, RS600},"
"{ATI, RS690},"
"{ATI, RS780},"
"{ATI, R600},"
"{ATI, RV630},"
"{ATI, RV610},"
"{ATI, RV670},"
"{ATI, RV635},"
"{ATI, RV620},"
"{ATI, RV770},"
"{VIA, VT8251},"
"{VIA, VT8237A},"
"{SiS, SIS966},"
"{ULI, M5461}}");
MODULE_DESCRIPTION("Intel HDA driver");
#ifdef CONFIG_SND_VERBOSE_PRINTK
#define SFX
#else
#define SFX "hda-intel: "
#endif
#define ICH6_REG_GCAP 0x00
#define ICH6_GCAP_64OK (1 << 0)
#define ICH6_GCAP_NSDO (3 << 1)
#define ICH6_GCAP_BSS (31 << 3)
#define ICH6_GCAP_ISS (15 << 8)
#define ICH6_GCAP_OSS (15 << 12)
#define ICH6_REG_VMIN 0x02
#define ICH6_REG_VMAJ 0x03
#define ICH6_REG_OUTPAY 0x04
#define ICH6_REG_INPAY 0x06
#define ICH6_REG_GCTL 0x08
#define ICH6_GCTL_RESET (1 << 0)
#define ICH6_GCTL_FCNTRL (1 << 1)
#define ICH6_GCTL_UNSOL (1 << 8)
#define ICH6_REG_WAKEEN 0x0c
#define ICH6_REG_STATESTS 0x0e
#define ICH6_REG_GSTS 0x10
#define ICH6_GSTS_FSTS (1 << 1)
#define ICH6_REG_INTCTL 0x20
#define ICH6_REG_INTSTS 0x24
#define ICH6_REG_WALLCLK 0x30
#define ICH6_REG_SYNC 0x34
#define ICH6_REG_CORBLBASE 0x40
#define ICH6_REG_CORBUBASE 0x44
#define ICH6_REG_CORBWP 0x48
#define ICH6_REG_CORBRP 0x4a
#define ICH6_CORBRP_RST (1 << 15)
#define ICH6_REG_CORBCTL 0x4c
#define ICH6_CORBCTL_RUN (1 << 1)
#define ICH6_CORBCTL_CMEIE (1 << 0)
#define ICH6_REG_CORBSTS 0x4d
#define ICH6_CORBSTS_CMEI (1 << 0)
#define ICH6_REG_CORBSIZE 0x4e
#define ICH6_REG_RIRBLBASE 0x50
#define ICH6_REG_RIRBUBASE 0x54
#define ICH6_REG_RIRBWP 0x58
#define ICH6_RIRBWP_RST (1 << 15)
#define ICH6_REG_RINTCNT 0x5a
#define ICH6_REG_RIRBCTL 0x5c
#define ICH6_RBCTL_IRQ_EN (1 << 0)
#define ICH6_RBCTL_DMA_EN (1 << 1)
#define ICH6_RBCTL_OVERRUN_EN (1 << 2)
#define ICH6_REG_RIRBSTS 0x5d
#define ICH6_RBSTS_IRQ (1 << 0)
#define ICH6_RBSTS_OVERRUN (1 << 2)
#define ICH6_REG_RIRBSIZE 0x5e
#define ICH6_REG_IC 0x60
#define ICH6_REG_IR 0x64
#define ICH6_REG_IRS 0x68
#define ICH6_IRS_VALID (1<<1)
#define ICH6_IRS_BUSY (1<<0)
#define ICH6_REG_DPLBASE 0x70
#define ICH6_REG_DPUBASE 0x74
#define ICH6_DPLBASE_ENABLE 0x1
enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
#define ICH6_REG_SD_CTL 0x00
#define ICH6_REG_SD_STS 0x03
#define ICH6_REG_SD_LPIB 0x04
#define ICH6_REG_SD_CBL 0x08
#define ICH6_REG_SD_LVI 0x0c
#define ICH6_REG_SD_FIFOW 0x0e
#define ICH6_REG_SD_FIFOSIZE 0x10
#define ICH6_REG_SD_FORMAT 0x12
#define ICH6_REG_SD_BDLPL 0x18
#define ICH6_REG_SD_BDLPU 0x1c
#define ICH6_PCIREG_TCSEL 0x44
#define ICH6_NUM_CAPTURE 4
#define ICH6_NUM_PLAYBACK 4
#define ULI_NUM_CAPTURE 5
#define ULI_NUM_PLAYBACK 6
#define ATIHDMI_NUM_CAPTURE 0
#define ATIHDMI_NUM_PLAYBACK 1
#define TERA_NUM_CAPTURE 3
#define TERA_NUM_PLAYBACK 4
#define MAX_AZX_DEV 16
#define BDL_SIZE 4096
#define AZX_MAX_BDL_ENTRIES (BDL_SIZE / 16)
#define AZX_MAX_FRAG 32
#define AZX_MAX_BUF_SIZE (1024*1024*1024)
#define RIRB_INT_RESPONSE 0x01
#define RIRB_INT_OVERRUN 0x04
#define RIRB_INT_MASK 0x05
#define AZX_MAX_CODECS 8
#define AZX_DEFAULT_CODECS 4
#define STATESTS_INT_MASK ((1 << AZX_MAX_CODECS) - 1)
#define SD_CTL_STREAM_RESET 0x01
#define SD_CTL_DMA_START 0x02
#define SD_CTL_STRIPE (3 << 16)
#define SD_CTL_TRAFFIC_PRIO (1 << 18)
#define SD_CTL_DIR (1 << 19)
#define SD_CTL_STREAM_TAG_MASK (0xf << 20)
#define SD_CTL_STREAM_TAG_SHIFT 20
#define SD_INT_DESC_ERR 0x10
#define SD_INT_FIFO_ERR 0x08
#define SD_INT_COMPLETE 0x04
#define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
SD_INT_COMPLETE)
#define SD_STS_FIFO_READY 0x20
#define ICH6_INT_ALL_STREAM 0xff
#define ICH6_INT_CTRL_EN 0x40000000
#define ICH6_INT_GLOBAL_EN 0x80000000
#define ICH6_MAX_CORB_ENTRIES 256
#define ICH6_MAX_RIRB_ENTRIES 256
enum {
POS_FIX_AUTO,
POS_FIX_LPIB,
POS_FIX_POSBUF,
POS_FIX_VIACOMBO,
};
#define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
#define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
#define NVIDIA_HDA_TRANSREG_ADDR 0x4e
#define NVIDIA_HDA_ENABLE_COHBITS 0x0f
#define NVIDIA_HDA_ISTRM_COH 0x4d
#define NVIDIA_HDA_OSTRM_COH 0x4c
#define NVIDIA_HDA_ENABLE_COHBIT 0x01
#define INTEL_SCH_HDA_DEVC 0x78
#define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
#define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
#define VIA_HDAC_DEVICE_ID 0x3288
#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
struct azx_dev {
struct snd_dma_buffer bdl;
u32 *posbuf;
unsigned int bufsize;
unsigned int period_bytes;
unsigned int frags;
unsigned int fifo_size;
unsigned long start_wallclk;
unsigned long period_wallclk;
void __iomem *sd_addr;
u32 sd_int_sta_mask;
struct snd_pcm_substream *substream;
unsigned int format_val;
unsigned char stream_tag;
unsigned char index;
int device;
unsigned int opened :1;
unsigned int running :1;
unsigned int irq_pending :1;
unsigned int insufficient :1;
};
struct azx_rb {
u32 *buf;
dma_addr_t addr;
unsigned short rp, wp;
int cmds[AZX_MAX_CODECS];
u32 res[AZX_MAX_CODECS];
};
struct azx {
struct snd_card *card;
struct pci_dev *pci;
int dev_index;
int driver_type;
int playback_streams;
int playback_index_offset;
int capture_streams;
int capture_index_offset;
int num_streams;
unsigned long addr;
void __iomem *remap_addr;
int irq;
spinlock_t reg_lock;
struct mutex open_mutex;
struct azx_dev *azx_dev;
struct snd_pcm *pcm[HDA_MAX_PCMS];
unsigned short codec_mask;
int codec_probe_mask;
struct hda_bus *bus;
unsigned int beep_mode;
struct azx_rb corb;
struct azx_rb rirb;
struct snd_dma_buffer rb;
struct snd_dma_buffer posbuf;
int position_fix[2];
int poll_count;
unsigned int running :1;
unsigned int initialized :1;
unsigned int single_cmd :1;
unsigned int polling_mode :1;
unsigned int msi :1;
unsigned int irq_pending_warned :1;
unsigned int probing :1;
unsigned int last_cmd[AZX_MAX_CODECS];
struct work_struct irq_pending_work;
struct notifier_block reboot_notifier;
};
enum {
AZX_DRIVER_ICH,
AZX_DRIVER_PCH,
AZX_DRIVER_SCH,
AZX_DRIVER_ATI,
AZX_DRIVER_ATIHDMI,
AZX_DRIVER_VIA,
AZX_DRIVER_SIS,
AZX_DRIVER_ULI,
AZX_DRIVER_NVIDIA,
AZX_DRIVER_TERA,
AZX_DRIVER_CTX,
AZX_DRIVER_GENERIC,
AZX_NUM_DRIVERS,
};
static char *driver_short_names[] __devinitdata = {
[AZX_DRIVER_ICH] = "HDA Intel",
[AZX_DRIVER_PCH] = "HDA Intel PCH",
[AZX_DRIVER_SCH] = "HDA Intel MID",
[AZX_DRIVER_ATI] = "HDA ATI SB",
[AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
[AZX_DRIVER_VIA] = "HDA VIA VT82xx",
[AZX_DRIVER_SIS] = "HDA SIS966",
[AZX_DRIVER_ULI] = "HDA ULI M5461",
[AZX_DRIVER_NVIDIA] = "HDA NVidia",
[AZX_DRIVER_TERA] = "HDA Teradici",
[AZX_DRIVER_CTX] = "HDA Creative",
[AZX_DRIVER_GENERIC] = "HD-Audio Generic",
};
#define azx_writel(chip,reg,value) \
writel(value, (chip)->remap_addr + ICH6_REG_##reg)
#define azx_readl(chip,reg) \
readl((chip)->remap_addr + ICH6_REG_##reg)
#define azx_writew(chip,reg,value) \
writew(value, (chip)->remap_addr + ICH6_REG_##reg)
#define azx_readw(chip,reg) \
readw((chip)->remap_addr + ICH6_REG_##reg)
#define azx_writeb(chip,reg,value) \
writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
#define azx_readb(chip,reg) \
readb((chip)->remap_addr + ICH6_REG_##reg)
#define azx_sd_writel(dev,reg,value) \
writel(value, (dev)->sd_addr + ICH6_REG_##reg)
#define azx_sd_readl(dev,reg) \
readl((dev)->sd_addr + ICH6_REG_##reg)
#define azx_sd_writew(dev,reg,value) \
writew(value, (dev)->sd_addr + ICH6_REG_##reg)
#define azx_sd_readw(dev,reg) \
readw((dev)->sd_addr + ICH6_REG_##reg)
#define azx_sd_writeb(dev,reg,value) \
writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
#define azx_sd_readb(dev,reg) \
readb((dev)->sd_addr + ICH6_REG_##reg)
#define get_azx_dev(substream) (substream->runtime->private_data)
static int azx_acquire_irq(struct azx *chip, int do_disconnect);
static int azx_send_cmd(struct hda_bus *bus, unsigned int val);
static int azx_alloc_cmd_io(struct azx *chip)
{
int err;
err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
PAGE_SIZE, &chip->rb);
if (err < 0) {
snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
return err;
}
return 0;
}
static void azx_init_cmd_io(struct azx *chip)
{
spin_lock_irq(&chip->reg_lock);
chip->corb.addr = chip->rb.addr;
chip->corb.buf = (u32 *)chip->rb.area;
azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
azx_writel(chip, CORBUBASE, upper_32_bits(chip->corb.addr));
azx_writeb(chip, CORBSIZE, 0x02);
azx_writew(chip, CORBWP, 0);
azx_writew(chip, CORBRP, ICH6_CORBRP_RST);
azx_writeb(chip, CORBCTL, ICH6_CORBCTL_RUN);
chip->rirb.addr = chip->rb.addr + 2048;
chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
chip->rirb.wp = chip->rirb.rp = 0;
memset(chip->rirb.cmds, 0, sizeof(chip->rirb.cmds));
azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
azx_writeb(chip, RIRBSIZE, 0x02);
azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
if (chip->driver_type == AZX_DRIVER_CTX)
azx_writew(chip, RINTCNT, 0xc0);
else
azx_writew(chip, RINTCNT, 1);
azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
spin_unlock_irq(&chip->reg_lock);
}
static void azx_free_cmd_io(struct azx *chip)
{
spin_lock_irq(&chip->reg_lock);
azx_writeb(chip, RIRBCTL, 0);
azx_writeb(chip, CORBCTL, 0);
spin_unlock_irq(&chip->reg_lock);
}
static unsigned int azx_command_addr(u32 cmd)
{
unsigned int addr = cmd >> 28;
if (addr >= AZX_MAX_CODECS) {
snd_BUG();
addr = 0;
}
return addr;
}
static unsigned int azx_response_addr(u32 res)
{
unsigned int addr = res & 0xf;
if (addr >= AZX_MAX_CODECS) {
snd_BUG();
addr = 0;
}
return addr;
}
static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
{
struct azx *chip = bus->private_data;
unsigned int addr = azx_command_addr(val);
unsigned int wp;
spin_lock_irq(&chip->reg_lock);
wp = azx_readb(chip, CORBWP);
wp++;
wp %= ICH6_MAX_CORB_ENTRIES;
chip->rirb.cmds[addr]++;
chip->corb.buf[wp] = cpu_to_le32(val);
azx_writel(chip, CORBWP, wp);
spin_unlock_irq(&chip->reg_lock);
return 0;
}
#define ICH6_RIRB_EX_UNSOL_EV (1<<4)
static void azx_update_rirb(struct azx *chip)
{
unsigned int rp, wp;
unsigned int addr;
u32 res, res_ex;
wp = azx_readb(chip, RIRBWP);
if (wp == chip->rirb.wp)
return;
chip->rirb.wp = wp;
while (chip->rirb.rp != wp) {
chip->rirb.rp++;
chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
rp = chip->rirb.rp << 1;
res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
res = le32_to_cpu(chip->rirb.buf[rp]);
addr = azx_response_addr(res_ex);
if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
snd_hda_queue_unsol_event(chip->bus, res, res_ex);
else if (chip->rirb.cmds[addr]) {
chip->rirb.res[addr] = res;
smp_wmb();
chip->rirb.cmds[addr]--;
} else
snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
"last cmd=%#08x\n",
res, res_ex,
chip->last_cmd[addr]);
}
}
static unsigned int azx_rirb_get_response(struct hda_bus *bus,
unsigned int addr)
{
struct azx *chip = bus->private_data;
unsigned long timeout;
int do_poll = 0;
again:
timeout = jiffies + msecs_to_jiffies(1000);
for (;;) {
if (chip->polling_mode || do_poll) {
spin_lock_irq(&chip->reg_lock);
azx_update_rirb(chip);
spin_unlock_irq(&chip->reg_lock);
}
if (!chip->rirb.cmds[addr]) {
smp_rmb();
bus->rirb_error = 0;
if (!do_poll)
chip->poll_count = 0;
return chip->rirb.res[addr];
}
if (time_after(jiffies, timeout))
break;
if (bus->needs_damn_long_delay)
msleep(2);
else {
udelay(10);
cond_resched();
}
}
if (!chip->polling_mode && chip->poll_count < 2) {
snd_printdd(SFX "azx_get_response timeout, "
"polling the codec once: last cmd=0x%08x\n",
chip->last_cmd[addr]);
do_poll = 1;
chip->poll_count++;
goto again;
}
if (!chip->polling_mode) {
snd_printk(KERN_WARNING SFX "azx_get_response timeout, "
"switching to polling mode: last cmd=0x%08x\n",
chip->last_cmd[addr]);
chip->polling_mode = 1;
goto again;
}
if (chip->msi) {
snd_printk(KERN_WARNING SFX "No response from codec, "
"disabling MSI: last cmd=0x%08x\n",
chip->last_cmd[addr]);
free_irq(chip->irq, chip);
chip->irq = -1;
pci_disable_msi(chip->pci);
chip->msi = 0;
if (azx_acquire_irq(chip, 1) < 0) {
bus->rirb_error = 1;
return -1;
}
goto again;
}
if (chip->probing) {
return -1;
}
bus->rirb_error = 1;
if (bus->allow_bus_reset && !bus->response_reset && !bus->in_reset) {
bus->response_reset = 1;
return -1;
}
snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
"switching to single_cmd mode: last cmd=0x%08x\n",
chip->last_cmd[addr]);
chip->single_cmd = 1;
bus->response_reset = 0;
azx_free_cmd_io(chip);
azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_UNSOL);
return -1;
}
static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
{
int timeout = 50;
while (timeout--) {
if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
chip->rirb.res[addr] = azx_readl(chip, IR);
return 0;
}
udelay(1);
}
if (printk_ratelimit())
snd_printd(SFX "get_response timeout: IRS=0x%x\n",
azx_readw(chip, IRS));
chip->rirb.res[addr] = -1;
return -EIO;
}
static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
{
struct azx *chip = bus->private_data;
unsigned int addr = azx_command_addr(val);
int timeout = 50;
bus->rirb_error = 0;
while (timeout--) {
if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
azx_writew(chip, IRS, azx_readw(chip, IRS) |
ICH6_IRS_VALID);
azx_writel(chip, IC, val);
azx_writew(chip, IRS, azx_readw(chip, IRS) |
ICH6_IRS_BUSY);
return azx_single_wait_for_response(chip, addr);
}
udelay(1);
}
if (printk_ratelimit())
snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
azx_readw(chip, IRS), val);
return -EIO;
}
static unsigned int azx_single_get_response(struct hda_bus *bus,
unsigned int addr)
{
struct azx *chip = bus->private_data;
return chip->rirb.res[addr];
}
static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
{
struct azx *chip = bus->private_data;
chip->last_cmd[azx_command_addr(val)] = val;
if (chip->single_cmd)
return azx_single_send_cmd(bus, val);
else
return azx_corb_send_cmd(bus, val);
}
static unsigned int azx_get_response(struct hda_bus *bus,
unsigned int addr)
{
struct azx *chip = bus->private_data;
if (chip->single_cmd)
return azx_single_get_response(bus, addr);
else
return azx_rirb_get_response(bus, addr);
}
#ifdef CONFIG_SND_HDA_POWER_SAVE
static void azx_power_notify(struct hda_bus *bus);
#endif
static int azx_reset(struct azx *chip, int full_reset)
{
int count;
if (!full_reset)
goto __skip;
azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
count = 50;
while (azx_readb(chip, GCTL) && --count)
msleep(1);
msleep(1);
azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
count = 50;
while (!azx_readb(chip, GCTL) && --count)
msleep(1);
msleep(1);
__skip:
if (!azx_readb(chip, GCTL)) {
snd_printd(SFX "azx_reset: controller not ready!\n");
return -EBUSY;
}
if (!chip->single_cmd)
azx_writel(chip, GCTL, azx_readl(chip, GCTL) |
ICH6_GCTL_UNSOL);
if (!chip->codec_mask) {
chip->codec_mask = azx_readw(chip, STATESTS);
snd_printdd(SFX "codec_mask = 0x%x\n", chip->codec_mask);
}
return 0;
}
static void azx_int_enable(struct azx *chip)
{
azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
}
static void azx_int_disable(struct azx *chip)
{
int i;
for (i = 0; i < chip->num_streams; i++) {
struct azx_dev *azx_dev = &chip->azx_dev[i];
azx_sd_writeb(azx_dev, SD_CTL,
azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
}
azx_writeb(chip, INTCTL, 0);
azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
}
static void azx_int_clear(struct azx *chip)
{
int i;
for (i = 0; i < chip->num_streams; i++) {
struct azx_dev *azx_dev = &chip->azx_dev[i];
azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
}
azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
}
static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
{
azx_dev->insufficient = 1;
azx_writel(chip, INTCTL,
azx_readl(chip, INTCTL) | (1 << azx_dev->index));
azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
SD_CTL_DMA_START | SD_INT_MASK);
}
static void azx_stream_clear(struct azx *chip, struct azx_dev *azx_dev)
{
azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
~(SD_CTL_DMA_START | SD_INT_MASK));
azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
}
static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
{
azx_stream_clear(chip, azx_dev);
azx_writel(chip, INTCTL,
azx_readl(chip, INTCTL) & ~(1 << azx_dev->index));
}
static void azx_init_chip(struct azx *chip, int full_reset)
{
if (chip->initialized)
return;
azx_reset(chip, full_reset);
azx_int_clear(chip);
azx_int_enable(chip);
if (!chip->single_cmd)
azx_init_cmd_io(chip);
azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
azx_writel(chip, DPUBASE, upper_32_bits(chip->posbuf.addr));
chip->initialized = 1;
}
static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
unsigned char mask, unsigned char val)
{
unsigned char data;
pci_read_config_byte(pci, reg, &data);
data &= ~mask;
data |= (val & mask);
pci_write_config_byte(pci, reg, data);
}
static void azx_init_pci(struct azx *chip)
{
unsigned short snoop;
if (chip->driver_type != AZX_DRIVER_ATI &&
chip->driver_type != AZX_DRIVER_ATIHDMI)
update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
switch (chip->driver_type) {
case AZX_DRIVER_ATI:
update_pci_byte(chip->pci,
ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
break;
case AZX_DRIVER_NVIDIA:
update_pci_byte(chip->pci,
NVIDIA_HDA_TRANSREG_ADDR,
0x0f, NVIDIA_HDA_ENABLE_COHBITS);
update_pci_byte(chip->pci,
NVIDIA_HDA_ISTRM_COH,
0x01, NVIDIA_HDA_ENABLE_COHBIT);
update_pci_byte(chip->pci,
NVIDIA_HDA_OSTRM_COH,
0x01, NVIDIA_HDA_ENABLE_COHBIT);
break;
case AZX_DRIVER_SCH:
case AZX_DRIVER_PCH:
pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) {
pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC,
snoop & (~INTEL_SCH_HDA_DEVC_NOSNOOP));
pci_read_config_word(chip->pci,
INTEL_SCH_HDA_DEVC, &snoop);
snd_printdd(SFX "HDA snoop disabled, enabling ... %s\n",
(snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)
? "Failed" : "OK");
}
break;
}
}
static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
static irqreturn_t azx_interrupt(int irq, void *dev_id)
{
struct azx *chip = dev_id;
struct azx_dev *azx_dev;
u32 status;
u8 sd_status;
int i, ok;
spin_lock(&chip->reg_lock);
status = azx_readl(chip, INTSTS);
if (status == 0) {
spin_unlock(&chip->reg_lock);
return IRQ_NONE;
}
for (i = 0; i < chip->num_streams; i++) {
azx_dev = &chip->azx_dev[i];
if (status & azx_dev->sd_int_sta_mask) {
sd_status = azx_sd_readb(azx_dev, SD_STS);
azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
if (!azx_dev->substream || !azx_dev->running ||
!(sd_status & SD_INT_COMPLETE))
continue;
ok = azx_position_ok(chip, azx_dev);
if (ok == 1) {
azx_dev->irq_pending = 0;
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(azx_dev->substream);
spin_lock(&chip->reg_lock);
} else if (ok == 0 && chip->bus && chip->bus->workq) {
azx_dev->irq_pending = 1;
queue_work(chip->bus->workq,
&chip->irq_pending_work);
}
}
}
status = azx_readb(chip, RIRBSTS);
if (status & RIRB_INT_MASK) {
if (status & RIRB_INT_RESPONSE) {
if (chip->driver_type == AZX_DRIVER_CTX)
udelay(80);
azx_update_rirb(chip);
}
azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
}
#if 0
if (azx_readb(chip, STATESTS) & 0x04)
azx_writeb(chip, STATESTS, 0x04);
#endif
spin_unlock(&chip->reg_lock);
return IRQ_HANDLED;
}
static int setup_bdle(struct snd_pcm_substream *substream,
struct azx_dev *azx_dev, u32 **bdlp,
int ofs, int size, int with_ioc)
{
u32 *bdl = *bdlp;
while (size > 0) {
dma_addr_t addr;
int chunk;
if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
return -EINVAL;
addr = snd_pcm_sgbuf_get_addr(substream, ofs);
bdl[0] = cpu_to_le32((u32)addr);
bdl[1] = cpu_to_le32(upper_32_bits(addr));
chunk = snd_pcm_sgbuf_get_chunk_size(substream, ofs, size);
bdl[2] = cpu_to_le32(chunk);
size -= chunk;
bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
bdl += 4;
azx_dev->frags++;
ofs += chunk;
}
*bdlp = bdl;
return ofs;
}
static int azx_setup_periods(struct azx *chip,
struct snd_pcm_substream *substream,
struct azx_dev *azx_dev)
{
u32 *bdl;
int i, ofs, periods, period_bytes;
int pos_adj;
azx_sd_writel(azx_dev, SD_BDLPL, 0);
azx_sd_writel(azx_dev, SD_BDLPU, 0);
period_bytes = azx_dev->period_bytes;
periods = azx_dev->bufsize / period_bytes;
bdl = (u32 *)azx_dev->bdl.area;
ofs = 0;
azx_dev->frags = 0;
pos_adj = bdl_pos_adj[chip->dev_index];
if (pos_adj > 0) {
struct snd_pcm_runtime *runtime = substream->runtime;
int pos_align = pos_adj;
pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
if (!pos_adj)
pos_adj = pos_align;
else
pos_adj = ((pos_adj + pos_align - 1) / pos_align) *
pos_align;
pos_adj = frames_to_bytes(runtime, pos_adj);
if (pos_adj >= period_bytes) {
snd_printk(KERN_WARNING SFX "Too big adjustment %d\n",
bdl_pos_adj[chip->dev_index]);
pos_adj = 0;
} else {
ofs = setup_bdle(substream, azx_dev,
&bdl, ofs, pos_adj,
!substream->runtime->no_period_wakeup);
if (ofs < 0)
goto error;
}
} else
pos_adj = 0;
for (i = 0; i < periods; i++) {
if (i == periods - 1 && pos_adj)
ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
period_bytes - pos_adj, 0);
else
ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
period_bytes,
!substream->runtime->no_period_wakeup);
if (ofs < 0)
goto error;
}
return 0;
error:
snd_printk(KERN_ERR SFX "Too many BDL entries: buffer=%d, period=%d\n",
azx_dev->bufsize, period_bytes);
return -EINVAL;
}
static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
{
unsigned char val;
int timeout;
azx_stream_clear(chip, azx_dev);
azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
SD_CTL_STREAM_RESET);
udelay(3);
timeout = 300;
while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
--timeout)
;
val &= ~SD_CTL_STREAM_RESET;
azx_sd_writeb(azx_dev, SD_CTL, val);
udelay(3);
timeout = 300;
while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
--timeout)
;
*azx_dev->posbuf = 0;
}
static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
{
azx_stream_clear(chip, azx_dev);
azx_sd_writel(azx_dev, SD_CTL,
(azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK)|
(azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(azx_dev->bdl.addr));
if (chip->position_fix[0] != POS_FIX_LPIB ||
chip->position_fix[1] != POS_FIX_LPIB) {
if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
azx_writel(chip, DPLBASE,
(u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
}
azx_sd_writel(azx_dev, SD_CTL,
azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
return 0;
}
static int probe_codec(struct azx *chip, int addr)
{
unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
unsigned int res;
mutex_lock(&chip->bus->cmd_mutex);
chip->probing = 1;
azx_send_cmd(chip->bus, cmd);
res = azx_get_response(chip->bus, addr);
chip->probing = 0;
mutex_unlock(&chip->bus->cmd_mutex);
if (res == -1)
return -EIO;
snd_printdd(SFX "codec #%d probed OK\n", addr);
return 0;
}
static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
struct hda_pcm *cpcm);
static void azx_stop_chip(struct azx *chip);
static void azx_bus_reset(struct hda_bus *bus)
{
struct azx *chip = bus->private_data;
bus->in_reset = 1;
azx_stop_chip(chip);
azx_init_chip(chip, 1);
#ifdef CONFIG_PM
if (chip->initialized) {
int i;
for (i = 0; i < HDA_MAX_PCMS; i++)
snd_pcm_suspend_all(chip->pcm[i]);
snd_hda_suspend(chip->bus);
snd_hda_resume(chip->bus);
}
#endif
bus->in_reset = 0;
}
static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
[AZX_DRIVER_NVIDIA] = 8,
[AZX_DRIVER_TERA] = 1,
};
static int __devinit azx_codec_create(struct azx *chip, const char *model)
{
struct hda_bus_template bus_temp;
int c, codecs, err;
int max_slots;
memset(&bus_temp, 0, sizeof(bus_temp));
bus_temp.private_data = chip;
bus_temp.modelname = model;
bus_temp.pci = chip->pci;
bus_temp.ops.command = azx_send_cmd;
bus_temp.ops.get_response = azx_get_response;
bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
bus_temp.ops.bus_reset = azx_bus_reset;
#ifdef CONFIG_SND_HDA_POWER_SAVE
bus_temp.power_save = &power_save;
bus_temp.ops.pm_notify = azx_power_notify;
#endif
err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
if (err < 0)
return err;
if (chip->driver_type == AZX_DRIVER_NVIDIA)
chip->bus->needs_damn_long_delay = 1;
codecs = 0;
max_slots = azx_max_codecs[chip->driver_type];
if (!max_slots)
max_slots = AZX_DEFAULT_CODECS;
for (c = 0; c < max_slots; c++) {
if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
if (probe_codec(chip, c) < 0) {
snd_printk(KERN_WARNING SFX
"Codec #%d probe error; "
"disabling it...\n", c);
chip->codec_mask &= ~(1 << c);
azx_stop_chip(chip);
azx_init_chip(chip, 1);
}
}
}
for (c = 0; c < max_slots; c++) {
if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
struct hda_codec *codec;
err = snd_hda_codec_new(chip->bus, c, &codec);
if (err < 0)
continue;
codec->beep_mode = chip->beep_mode;
codecs++;
}
}
if (!codecs) {
snd_printk(KERN_ERR SFX "no codecs initialized\n");
return -ENXIO;
}
return 0;
}
static int __devinit azx_codec_configure(struct azx *chip)
{
struct hda_codec *codec;
list_for_each_entry(codec, &chip->bus->codec_list, list) {
snd_hda_codec_configure(codec);
}
return 0;
}
static inline struct azx_dev *
azx_assign_device(struct azx *chip, struct snd_pcm_substream *substream)
{
int dev, i, nums;
struct azx_dev *res = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
dev = chip->playback_index_offset;
nums = chip->playback_streams;
} else {
dev = chip->capture_index_offset;
nums = chip->capture_streams;
}
for (i = 0; i < nums; i++, dev++)
if (!chip->azx_dev[dev].opened) {
res = &chip->azx_dev[dev];
if (res->device == substream->pcm->device)
break;
}
if (res) {
res->opened = 1;
res->device = substream->pcm->device;
}
return res;
}
static inline void azx_release_device(struct azx_dev *azx_dev)
{
azx_dev->opened = 0;
}
static struct snd_pcm_hardware azx_pcm_hw = {
.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_SYNC_START |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = AZX_MAX_BUF_SIZE,
.period_bytes_min = 128,
.period_bytes_max = AZX_MAX_BUF_SIZE / 2,
.periods_min = 2,
.periods_max = AZX_MAX_FRAG,
.fifo_size = 0,
};
struct azx_pcm {
struct azx *chip;
struct hda_codec *codec;
struct hda_pcm_stream *hinfo[2];
};
static int azx_pcm_open(struct snd_pcm_substream *substream)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev;
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long flags;
int err;
mutex_lock(&chip->open_mutex);
azx_dev = azx_assign_device(chip, substream);
if (azx_dev == NULL) {
mutex_unlock(&chip->open_mutex);
return -EBUSY;
}
runtime->hw = azx_pcm_hw;
runtime->hw.channels_min = hinfo->channels_min;
runtime->hw.channels_max = hinfo->channels_max;
runtime->hw.formats = hinfo->formats;
runtime->hw.rates = hinfo->rates;
snd_pcm_limit_hw_rates(runtime);
snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
128);
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
128);
snd_hda_power_up(apcm->codec);
err = hinfo->ops.open(hinfo, apcm->codec, substream);
if (err < 0) {
azx_release_device(azx_dev);
snd_hda_power_down(apcm->codec);
mutex_unlock(&chip->open_mutex);
return err;
}
snd_pcm_limit_hw_rates(runtime);
if (snd_BUG_ON(!runtime->hw.channels_min) ||
snd_BUG_ON(!runtime->hw.channels_max) ||
snd_BUG_ON(!runtime->hw.formats) ||
snd_BUG_ON(!runtime->hw.rates)) {
azx_release_device(azx_dev);
hinfo->ops.close(hinfo, apcm->codec, substream);
snd_hda_power_down(apcm->codec);
mutex_unlock(&chip->open_mutex);
return -EINVAL;
}
spin_lock_irqsave(&chip->reg_lock, flags);
azx_dev->substream = substream;
azx_dev->running = 0;
spin_unlock_irqrestore(&chip->reg_lock, flags);
runtime->private_data = azx_dev;
snd_pcm_set_sync(substream);
mutex_unlock(&chip->open_mutex);
return 0;
}
static int azx_pcm_close(struct snd_pcm_substream *substream)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev = get_azx_dev(substream);
unsigned long flags;
mutex_lock(&chip->open_mutex);
spin_lock_irqsave(&chip->reg_lock, flags);
azx_dev->substream = NULL;
azx_dev->running = 0;
spin_unlock_irqrestore(&chip->reg_lock, flags);
azx_release_device(azx_dev);
hinfo->ops.close(hinfo, apcm->codec, substream);
snd_hda_power_down(apcm->codec);
mutex_unlock(&chip->open_mutex);
return 0;
}
static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct azx_dev *azx_dev = get_azx_dev(substream);
azx_dev->bufsize = 0;
azx_dev->period_bytes = 0;
azx_dev->format_val = 0;
return snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
}
static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx_dev *azx_dev = get_azx_dev(substream);
struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
azx_sd_writel(azx_dev, SD_BDLPL, 0);
azx_sd_writel(azx_dev, SD_BDLPU, 0);
azx_sd_writel(azx_dev, SD_CTL, 0);
azx_dev->bufsize = 0;
azx_dev->period_bytes = 0;
azx_dev->format_val = 0;
snd_hda_codec_cleanup(apcm->codec, hinfo, substream);
return snd_pcm_lib_free_pages(substream);
}
static int azx_pcm_prepare(struct snd_pcm_substream *substream)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev = get_azx_dev(substream);
struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int bufsize, period_bytes, format_val, stream_tag;
int err;
azx_stream_reset(chip, azx_dev);
format_val = snd_hda_calc_stream_format(runtime->rate,
runtime->channels,
runtime->format,
hinfo->maxbps,
apcm->codec->spdif_ctls);
if (!format_val) {
snd_printk(KERN_ERR SFX
"invalid format_val, rate=%d, ch=%d, format=%d\n",
runtime->rate, runtime->channels, runtime->format);
return -EINVAL;
}
bufsize = snd_pcm_lib_buffer_bytes(substream);
period_bytes = snd_pcm_lib_period_bytes(substream);
snd_printdd(SFX "azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
bufsize, format_val);
if (bufsize != azx_dev->bufsize ||
period_bytes != azx_dev->period_bytes ||
format_val != azx_dev->format_val) {
azx_dev->bufsize = bufsize;
azx_dev->period_bytes = period_bytes;
azx_dev->format_val = format_val;
err = azx_setup_periods(chip, substream, azx_dev);
if (err < 0)
return err;
}
azx_dev->period_wallclk = (((runtime->period_size * 24000) /
runtime->rate) * 1000);
azx_setup_controller(chip, azx_dev);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
else
azx_dev->fifo_size = 0;
stream_tag = azx_dev->stream_tag;
if (chip->driver_type == AZX_DRIVER_CTX &&
stream_tag > chip->capture_streams)
stream_tag -= chip->capture_streams;
return snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
azx_dev->format_val, substream);
}
static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev;
struct snd_pcm_substream *s;
int rstart = 0, start, nsync = 0, sbits = 0;
int nwait, timeout;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
rstart = 1;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
start = 1;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
start = 0;
break;
default:
return -EINVAL;
}
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
azx_dev = get_azx_dev(s);
sbits |= 1 << azx_dev->index;
nsync++;
snd_pcm_trigger_done(s, substream);
}
spin_lock(&chip->reg_lock);
if (nsync > 1) {
azx_writel(chip, SYNC, azx_readl(chip, SYNC) | sbits);
}
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
azx_dev = get_azx_dev(s);
if (start) {
azx_dev->start_wallclk = azx_readl(chip, WALLCLK);
if (!rstart)
azx_dev->start_wallclk -=
azx_dev->period_wallclk;
azx_stream_start(chip, azx_dev);
} else {
azx_stream_stop(chip, azx_dev);
}
azx_dev->running = start;
}
spin_unlock(&chip->reg_lock);
if (start) {
if (nsync == 1)
return 0;
for (timeout = 5000; timeout; timeout--) {
nwait = 0;
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
azx_dev = get_azx_dev(s);
if (!(azx_sd_readb(azx_dev, SD_STS) &
SD_STS_FIFO_READY))
nwait++;
}
if (!nwait)
break;
cpu_relax();
}
} else {
for (timeout = 5000; timeout; timeout--) {
nwait = 0;
snd_pcm_group_for_each_entry(s, substream) {
if (s->pcm->card != substream->pcm->card)
continue;
azx_dev = get_azx_dev(s);
if (azx_sd_readb(azx_dev, SD_CTL) &
SD_CTL_DMA_START)
nwait++;
}
if (!nwait)
break;
cpu_relax();
}
}
if (nsync > 1) {
spin_lock(&chip->reg_lock);
azx_writel(chip, SYNC, azx_readl(chip, SYNC) & ~sbits);
spin_unlock(&chip->reg_lock);
}
return 0;
}
static unsigned int azx_via_get_position(struct azx *chip,
struct azx_dev *azx_dev)
{
unsigned int link_pos, mini_pos, bound_pos;
unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
unsigned int fifo_size;
link_pos = azx_sd_readl(azx_dev, SD_LPIB);
if (azx_dev->index >= 4) {
return link_pos;
}
mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
mod_dma_pos %= azx_dev->period_bytes;
fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
if (azx_dev->insufficient) {
if (link_pos <= fifo_size)
return 0;
azx_dev->insufficient = 0;
}
if (link_pos <= fifo_size)
mini_pos = azx_dev->bufsize + link_pos - fifo_size;
else
mini_pos = link_pos - fifo_size;
mod_mini_pos = mini_pos % azx_dev->period_bytes;
mod_link_pos = link_pos % azx_dev->period_bytes;
if (mod_link_pos >= fifo_size)
bound_pos = link_pos - mod_link_pos;
else if (mod_dma_pos >= mod_mini_pos)
bound_pos = mini_pos - mod_mini_pos;
else {
bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
if (bound_pos >= azx_dev->bufsize)
bound_pos = 0;
}
return bound_pos + mod_dma_pos;
}
static unsigned int azx_get_position(struct azx *chip,
struct azx_dev *azx_dev)
{
unsigned int pos;
int stream = azx_dev->substream->stream;
switch (chip->position_fix[stream]) {
case POS_FIX_LPIB:
pos = azx_sd_readl(azx_dev, SD_LPIB);
break;
case POS_FIX_VIACOMBO:
pos = azx_via_get_position(chip, azx_dev);
break;
default:
pos = le32_to_cpu(*azx_dev->posbuf);
}
if (pos >= azx_dev->bufsize)
pos = 0;
return pos;
}
static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
{
struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
struct azx *chip = apcm->chip;
struct azx_dev *azx_dev = get_azx_dev(substream);
return bytes_to_frames(substream->runtime,
azx_get_position(chip, azx_dev));
}
static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
{
u32 wallclk;
unsigned int pos;
int stream;
wallclk = azx_readl(chip, WALLCLK) - azx_dev->start_wallclk;
if (wallclk < (azx_dev->period_wallclk * 2) / 3)
return -1;
stream = azx_dev->substream->stream;
pos = azx_get_position(chip, azx_dev);
if (chip->position_fix[stream] == POS_FIX_AUTO) {
if (!pos) {
printk(KERN_WARNING
"hda-intel: Invalid position buffer, "
"using LPIB read method instead.\n");
chip->position_fix[stream] = POS_FIX_LPIB;
pos = azx_get_position(chip, azx_dev);
} else
chip->position_fix[stream] = POS_FIX_POSBUF;
}
if (WARN_ONCE(!azx_dev->period_bytes,
"hda-intel: zero azx_dev->period_bytes"))
return -1;
if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&
pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
return bdl_pos_adj[chip->dev_index] ? 0 : -1;
azx_dev->start_wallclk += wallclk;
return 1;
}
static void azx_irq_pending_work(struct work_struct *work)
{
struct azx *chip = container_of(work, struct azx, irq_pending_work);
int i, pending, ok;
if (!chip->irq_pending_warned) {
printk(KERN_WARNING
"hda-intel: IRQ timing workaround is activated "
"for card #%d. Suggest a bigger bdl_pos_adj.\n",
chip->card->number);
chip->irq_pending_warned = 1;
}
for (;;) {
pending = 0;
spin_lock_irq(&chip->reg_lock);
for (i = 0; i < chip->num_streams; i++) {
struct azx_dev *azx_dev = &chip->azx_dev[i];
if (!azx_dev->irq_pending ||
!azx_dev->substream ||
!azx_dev->running)
continue;
ok = azx_position_ok(chip, azx_dev);
if (ok > 0) {
azx_dev->irq_pending = 0;
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(azx_dev->substream);
spin_lock(&chip->reg_lock);
} else if (ok < 0) {
pending = 0;
} else
pending++;
}
spin_unlock_irq(&chip->reg_lock);
if (!pending)
return;
msleep(1);
}
}
static void azx_clear_irq_pending(struct azx *chip)
{
int i;
spin_lock_irq(&chip->reg_lock);
for (i = 0; i < chip->num_streams; i++)
chip->azx_dev[i].irq_pending = 0;
spin_unlock_irq(&chip->reg_lock);
}
static struct snd_pcm_ops azx_pcm_ops = {
.open = azx_pcm_open,
.close = azx_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = azx_pcm_hw_params,
.hw_free = azx_pcm_hw_free,
.prepare = azx_pcm_prepare,
.trigger = azx_pcm_trigger,
.pointer = azx_pcm_pointer,
.page = snd_pcm_sgbuf_ops_page,
};
static void azx_pcm_free(struct snd_pcm *pcm)
{
struct azx_pcm *apcm = pcm->private_data;
if (apcm) {
apcm->chip->pcm[pcm->device] = NULL;
kfree(apcm);
}
}
static int
azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
struct hda_pcm *cpcm)
{
struct azx *chip = bus->private_data;
struct snd_pcm *pcm;
struct azx_pcm *apcm;
int pcm_dev = cpcm->device;
int s, err;
if (pcm_dev >= HDA_MAX_PCMS) {
snd_printk(KERN_ERR SFX "Invalid PCM device number %d\n",
pcm_dev);
return -EINVAL;
}
if (chip->pcm[pcm_dev]) {
snd_printk(KERN_ERR SFX "PCM %d already exists\n", pcm_dev);
return -EBUSY;
}
err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams,
cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams,
&pcm);
if (err < 0)
return err;
strlcpy(pcm->name, cpcm->name, sizeof(pcm->name));
apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
if (apcm == NULL)
return -ENOMEM;
apcm->chip = chip;
apcm->codec = codec;
pcm->private_data = apcm;
pcm->private_free = azx_pcm_free;
if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM)
pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
chip->pcm[pcm_dev] = pcm;
cpcm->pcm = pcm;
for (s = 0; s < 2; s++) {
apcm->hinfo[s] = &cpcm->stream[s];
if (cpcm->stream[s].substreams)
snd_pcm_set_ops(pcm, s, &azx_pcm_ops);
}
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(chip->pci),
1024 * 64, 32 * 1024 * 1024);
return 0;
}
static int __devinit azx_mixer_create(struct azx *chip)
{
return snd_hda_build_controls(chip->bus);
}
static int __devinit azx_init_stream(struct azx *chip)
{
int i;
for (i = 0; i < chip->num_streams; i++) {
struct azx_dev *azx_dev = &chip->azx_dev[i];
azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
azx_dev->sd_int_sta_mask = 1 << i;
azx_dev->index = i;
azx_dev->stream_tag = i + 1;
}
return 0;
}
static int azx_acquire_irq(struct azx *chip, int do_disconnect)
{
if (request_irq(chip->pci->irq, azx_interrupt,
chip->msi ? 0 : IRQF_SHARED,
"hda_intel", chip)) {
printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
"disabling device\n", chip->pci->irq);
if (do_disconnect)
snd_card_disconnect(chip->card);
return -1;
}
chip->irq = chip->pci->irq;
pci_intx(chip->pci, !chip->msi);
return 0;
}
static void azx_stop_chip(struct azx *chip)
{
if (!chip->initialized)
return;
azx_int_disable(chip);
azx_int_clear(chip);
azx_free_cmd_io(chip);
azx_writel(chip, DPLBASE, 0);
azx_writel(chip, DPUBASE, 0);
chip->initialized = 0;
}
#ifdef CONFIG_SND_HDA_POWER_SAVE
static void azx_power_notify(struct hda_bus *bus)
{
struct azx *chip = bus->private_data;
struct hda_codec *c;
int power_on = 0;
list_for_each_entry(c, &bus->codec_list, list) {
if (c->power_on) {
power_on = 1;
break;
}
}
if (power_on)
azx_init_chip(chip, 1);
else if (chip->running && power_save_controller &&
!bus->power_keep_link_on)
azx_stop_chip(chip);
}
#endif
#ifdef CONFIG_PM
static int snd_hda_codecs_inuse(struct hda_bus *bus)
{
struct hda_codec *codec;
list_for_each_entry(codec, &bus->codec_list, list) {
if (snd_hda_codec_needs_resume(codec))
return 1;
}
return 0;
}
static int azx_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_card *card = pci_get_drvdata(pci);
struct azx *chip = card->private_data;
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
azx_clear_irq_pending(chip);
for (i = 0; i < HDA_MAX_PCMS; i++)
snd_pcm_suspend_all(chip->pcm[i]);
if (chip->initialized)
snd_hda_suspend(chip->bus);
azx_stop_chip(chip);
if (chip->irq >= 0) {
free_irq(chip->irq, chip);
chip->irq = -1;
}
if (chip->msi)
pci_disable_msi(chip->pci);
pci_disable_device(pci);
pci_save_state(pci);
pci_set_power_state(pci, pci_choose_state(pci, state));
return 0;
}
static int azx_resume(struct pci_dev *pci)
{
struct snd_card *card = pci_get_drvdata(pci);
struct azx *chip = card->private_data;
pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
if (pci_enable_device(pci) < 0) {
printk(KERN_ERR "hda-intel: pci_enable_device failed, "
"disabling device\n");
snd_card_disconnect(card);
return -EIO;
}
pci_set_master(pci);
if (chip->msi)
if (pci_enable_msi(pci) < 0)
chip->msi = 0;
if (azx_acquire_irq(chip, 1) < 0)
return -EIO;
azx_init_pci(chip);
if (snd_hda_codecs_inuse(chip->bus))
azx_init_chip(chip, 1);
snd_hda_resume(chip->bus);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif
static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
{
struct azx *chip = container_of(nb, struct azx, reboot_notifier);
snd_hda_bus_reboot_notify(chip->bus);
azx_stop_chip(chip);
return NOTIFY_OK;
}
static void azx_notifier_register(struct azx *chip)
{
chip->reboot_notifier.notifier_call = azx_halt;
register_reboot_notifier(&chip->reboot_notifier);
}
static void azx_notifier_unregister(struct azx *chip)
{
if (chip->reboot_notifier.notifier_call)
unregister_reboot_notifier(&chip->reboot_notifier);
}
static int azx_free(struct azx *chip)
{
int i;
azx_notifier_unregister(chip);
if (chip->initialized) {
azx_clear_irq_pending(chip);
for (i = 0; i < chip->num_streams; i++)
azx_stream_stop(chip, &chip->azx_dev[i]);
azx_stop_chip(chip);
}
if (chip->irq >= 0)
free_irq(chip->irq, (void*)chip);
if (chip->msi)
pci_disable_msi(chip->pci);
if (chip->remap_addr)
iounmap(chip->remap_addr);
if (chip->azx_dev) {
for (i = 0; i < chip->num_streams; i++)
if (chip->azx_dev[i].bdl.area)
snd_dma_free_pages(&chip->azx_dev[i].bdl);
}
if (chip->rb.area)
snd_dma_free_pages(&chip->rb);
if (chip->posbuf.area)
snd_dma_free_pages(&chip->posbuf);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip->azx_dev);
kfree(chip);
return 0;
}
static int azx_dev_free(struct snd_device *device)
{
return azx_free(device->device_data);
}
static struct snd_pci_quirk position_fix_list[] __devinitdata = {
SND_PCI_QUIRK(0x1025, 0x009f, "Acer Aspire 5110", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1025, 0x026f, "Acer Aspire 5538", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1028, 0x0470, "Dell Inspiron 1120", POS_FIX_LPIB),
SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x8410, "ASUS", POS_FIX_LPIB),
SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1179, 0xff10, "Toshiba A100-259", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1297, 0x3166, "Shuttle", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1849, 0x0888, "775Dual-VSTA", POS_FIX_LPIB),
SND_PCI_QUIRK(0x8086, 0x2503, "DG965OT AAD63733-203", POS_FIX_LPIB),
SND_PCI_QUIRK(0x8086, 0xd601, "eMachines T5212", POS_FIX_LPIB),
{}
};
static int __devinit check_position_fix(struct azx *chip, int fix)
{
const struct snd_pci_quirk *q;
switch (fix) {
case POS_FIX_LPIB:
case POS_FIX_POSBUF:
case POS_FIX_VIACOMBO:
return fix;
}
q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
if (q) {
printk(KERN_INFO
"hda_intel: position_fix set to %d "
"for device %04x:%04x\n",
q->value, q->subvendor, q->subdevice);
return q->value;
}
switch (chip->driver_type) {
case AZX_DRIVER_VIA:
return POS_FIX_VIACOMBO;
case AZX_DRIVER_ATI:
return POS_FIX_LPIB;
case AZX_DRIVER_GENERIC:
if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
return POS_FIX_LPIB;
break;
}
return POS_FIX_AUTO;
}
static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
{}
};
#define AZX_FORCE_CODEC_MASK 0x100
static void __devinit check_probe_mask(struct azx *chip, int dev)
{
const struct snd_pci_quirk *q;
chip->codec_probe_mask = probe_mask[dev];
if (chip->codec_probe_mask == -1) {
q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
if (q) {
printk(KERN_INFO
"hda_intel: probe_mask set to 0x%x "
"for device %04x:%04x\n",
q->value, q->subvendor, q->subdevice);
chip->codec_probe_mask = q->value;
}
}
if (chip->codec_probe_mask != -1 &&
(chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
chip->codec_mask = chip->codec_probe_mask & 0xff;
printk(KERN_INFO "hda_intel: codec_mask forced to 0x%x\n",
chip->codec_mask);
}
}
static struct snd_pci_quirk msi_black_list[] __devinitdata = {
SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0),
SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0),
SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0),
SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0),
SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0),
{}
};
static void __devinit check_msi(struct azx *chip)
{
const struct snd_pci_quirk *q;
if (enable_msi >= 0) {
chip->msi = !!enable_msi;
return;
}
chip->msi = 1;
q = snd_pci_quirk_lookup(chip->pci, msi_black_list);
if (q) {
printk(KERN_INFO
"hda_intel: msi for device %04x:%04x set to %d\n",
q->subvendor, q->subdevice, q->value);
chip->msi = q->value;
return;
}
if (chip->driver_type == AZX_DRIVER_NVIDIA) {
printk(KERN_INFO "hda_intel: Disable MSI for Nvidia chipset\n");
chip->msi = 0;
}
}
static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
int dev, int driver_type,
struct azx **rchip)
{
struct azx *chip;
int i, err;
unsigned short gcap;
static struct snd_device_ops ops = {
.dev_free = azx_dev_free,
};
*rchip = NULL;
err = pci_enable_device(pci);
if (err < 0)
return err;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (!chip) {
snd_printk(KERN_ERR SFX "cannot allocate chip\n");
pci_disable_device(pci);
return -ENOMEM;
}
spin_lock_init(&chip->reg_lock);
mutex_init(&chip->open_mutex);
chip->card = card;
chip->pci = pci;
chip->irq = -1;
chip->driver_type = driver_type;
check_msi(chip);
chip->dev_index = dev;
INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
chip->position_fix[0] = chip->position_fix[1] =
check_position_fix(chip, position_fix[dev]);
check_probe_mask(chip, dev);
chip->single_cmd = single_cmd;
if (bdl_pos_adj[dev] < 0) {
switch (chip->driver_type) {
case AZX_DRIVER_ICH:
case AZX_DRIVER_PCH:
bdl_pos_adj[dev] = 1;
break;
default:
bdl_pos_adj[dev] = 32;
break;
}
}
#if BITS_PER_LONG != 64
if (chip->driver_type == AZX_DRIVER_ULI) {
u16 tmp3;
pci_read_config_word(pci, 0x40, &tmp3);
pci_write_config_word(pci, 0x40, tmp3 | 0x10);
pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
}
#endif
err = pci_request_regions(pci, "ICH HD audio");
if (err < 0) {
kfree(chip);
pci_disable_device(pci);
return err;
}
chip->addr = pci_resource_start(pci, 0);
chip->remap_addr = pci_ioremap_bar(pci, 0);
if (chip->remap_addr == NULL) {
snd_printk(KERN_ERR SFX "ioremap error\n");
err = -ENXIO;
goto errout;
}
if (chip->msi)
if (pci_enable_msi(pci) < 0)
chip->msi = 0;
if (azx_acquire_irq(chip, 0) < 0) {
err = -EBUSY;
goto errout;
}
pci_set_master(pci);
synchronize_irq(chip->irq);
gcap = azx_readw(chip, GCAP);
snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
if ((chip->driver_type == AZX_DRIVER_ATI) ||
(chip->driver_type == AZX_DRIVER_ATIHDMI)) {
struct pci_dev *p_smbus;
p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_SBX00_SMBUS,
NULL);
if (p_smbus) {
if (p_smbus->revision < 0x30)
gcap &= ~ICH6_GCAP_64OK;
pci_dev_put(p_smbus);
}
}
if (chip->driver_type == AZX_DRIVER_TERA)
gcap &= ~ICH6_GCAP_64OK;
if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
else {
pci_set_dma_mask(pci, DMA_BIT_MASK(32));
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
}
chip->capture_streams = (gcap >> 8) & 0x0f;
chip->playback_streams = (gcap >> 12) & 0x0f;
if (!chip->playback_streams && !chip->capture_streams) {
switch (chip->driver_type) {
case AZX_DRIVER_ULI:
chip->playback_streams = ULI_NUM_PLAYBACK;
chip->capture_streams = ULI_NUM_CAPTURE;
break;
case AZX_DRIVER_ATIHDMI:
chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
chip->capture_streams = ATIHDMI_NUM_CAPTURE;
break;
case AZX_DRIVER_GENERIC:
default:
chip->playback_streams = ICH6_NUM_PLAYBACK;
chip->capture_streams = ICH6_NUM_CAPTURE;
break;
}
}
chip->capture_index_offset = 0;
chip->playback_index_offset = chip->capture_streams;
chip->num_streams = chip->playback_streams + chip->capture_streams;
chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
GFP_KERNEL);
if (!chip->azx_dev) {
snd_printk(KERN_ERR SFX "cannot malloc azx_dev\n");
goto errout;
}
for (i = 0; i < chip->num_streams; i++) {
err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
BDL_SIZE, &chip->azx_dev[i].bdl);
if (err < 0) {
snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
goto errout;
}
}
err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
chip->num_streams * 8, &chip->posbuf);
if (err < 0) {
snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
goto errout;
}
err = azx_alloc_cmd_io(chip);
if (err < 0)
goto errout;
azx_init_stream(chip);
azx_init_pci(chip);
azx_init_chip(chip, (probe_only[dev] & 2) == 0);
if (!chip->codec_mask) {
snd_printk(KERN_ERR SFX "no codecs found!\n");
err = -ENODEV;
goto errout;
}
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err <0) {
snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
goto errout;
}
strcpy(card->driver, "HDA-Intel");
strlcpy(card->shortname, driver_short_names[chip->driver_type],
sizeof(card->shortname));
snprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx irq %i",
card->shortname, chip->addr, chip->irq);
*rchip = chip;
return 0;
errout:
azx_free(chip);
return err;
}
static void power_down_all_codecs(struct azx *chip)
{
#ifdef CONFIG_SND_HDA_POWER_SAVE
struct hda_codec *codec;
list_for_each_entry(codec, &chip->bus->codec_list, list) {
snd_hda_power_down(codec);
}
#endif
}
static int __devinit azx_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
struct azx *chip;
int err;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
if (err < 0) {
snd_printk(KERN_ERR SFX "Error creating card!\n");
return err;
}
snd_card_set_dev(card, &pci->dev);
err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
if (err < 0)
goto out_free;
card->private_data = chip;
#ifdef CONFIG_SND_HDA_INPUT_BEEP
chip->beep_mode = beep_mode[dev];
#endif
err = azx_codec_create(chip, model[dev]);
if (err < 0)
goto out_free;
#ifdef CONFIG_SND_HDA_PATCH_LOADER
if (patch[dev] && *patch[dev]) {
snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
patch[dev]);
err = snd_hda_load_patch(chip->bus, patch[dev]);
if (err < 0)
goto out_free;
}
#endif
if ((probe_only[dev] & 1) == 0) {
err = azx_codec_configure(chip);
if (err < 0)
goto out_free;
}
err = snd_hda_build_pcms(chip->bus);
if (err < 0)
goto out_free;
err = azx_mixer_create(chip);
if (err < 0)
goto out_free;
err = snd_card_register(card);
if (err < 0)
goto out_free;
pci_set_drvdata(pci, card);
chip->running = 1;
power_down_all_codecs(chip);
azx_notifier_register(chip);
dev++;
return err;
out_free:
snd_card_free(card);
return err;
}
static void __devexit azx_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
}
static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
{ PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH },
{ PCI_DEVICE(0x8086, 0x1d20), .driver_data = AZX_DRIVER_PCH },
{ PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_ICH },
{ PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
{ PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
{ PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0x970f), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI },
{ PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
{ PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
{ PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_NVIDIA },
{ PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
#if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_CTX },
#else
{ PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX },
#endif
{ PCI_DEVICE(0x17f3, 0x3010), .driver_data = AZX_DRIVER_GENERIC },
{ PCI_DEVICE(0x15ad, 0x1977), .driver_data = AZX_DRIVER_GENERIC },
{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_GENERIC },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_GENERIC },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);
static struct pci_driver driver = {
.name = "HDA Intel",
.id_table = azx_ids,
.probe = azx_probe,
.remove = __devexit_p(azx_remove),
#ifdef CONFIG_PM
.suspend = azx_suspend,
.resume = azx_resume,
#endif
};
static int __init alsa_card_azx_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_azx_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_azx_init)
module_exit(alsa_card_azx_exit)
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