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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c103
1 files changed, 74 insertions, 29 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 77c1b840ca8b..175f07a381ba 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -253,7 +253,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
/* STATESTS int mask: S3,SD2,SD1,SD0 */
#define AZX_MAX_CODECS 4
-#define STATESTS_INT_MASK 0x0f
+#define STATESTS_INT_MASK ((1 << AZX_MAX_CODECS) - 1)
/* SD_CTL bits */
#define SD_CTL_STREAM_RESET 0x01 /* stream reset bit */
@@ -361,8 +361,8 @@ struct azx_rb {
dma_addr_t addr; /* physical address of CORB/RIRB buffer */
/* for RIRB */
unsigned short rp, wp; /* read/write pointers */
- int cmds; /* number of pending requests */
- u32 res; /* last read value */
+ int cmds[AZX_MAX_CODECS]; /* number of pending requests */
+ u32 res[AZX_MAX_CODECS]; /* last read value */
};
struct azx {
@@ -418,7 +418,7 @@ struct azx {
unsigned int probing :1; /* codec probing phase */
/* for debugging */
- unsigned int last_cmd; /* last issued command (to sync) */
+ unsigned int last_cmd[AZX_MAX_CODECS];
/* for pending irqs */
struct work_struct irq_pending_work;
@@ -513,6 +513,7 @@ static int azx_alloc_cmd_io(struct azx *chip)
static void azx_init_cmd_io(struct azx *chip)
{
+ spin_lock_irq(&chip->reg_lock);
/* CORB set up */
chip->corb.addr = chip->rb.addr;
chip->corb.buf = (u32 *)chip->rb.area;
@@ -531,7 +532,8 @@ static void azx_init_cmd_io(struct azx *chip)
/* RIRB set up */
chip->rirb.addr = chip->rb.addr + 2048;
chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
- chip->rirb.wp = chip->rirb.rp = chip->rirb.cmds = 0;
+ 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));
@@ -543,30 +545,60 @@ static void azx_init_cmd_io(struct azx *chip)
azx_writew(chip, RINTCNT, 1);
/* enable rirb dma and response irq */
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);
/* disable ringbuffer DMAs */
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;
}
/* send a command */
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);
+
/* add command to corb */
wp = azx_readb(chip, CORBWP);
wp++;
wp %= ICH6_MAX_CORB_ENTRIES;
- spin_lock_irq(&chip->reg_lock);
- chip->rirb.cmds++;
+ 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;
@@ -578,13 +610,14 @@ static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
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;
@@ -592,18 +625,24 @@ static void azx_update_rirb(struct azx *chip)
rp = chip->rirb.rp << 1; /* an RIRB entry is 8-bytes */
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) {
- chip->rirb.res = res;
+ else if (chip->rirb.cmds[addr]) {
+ chip->rirb.res[addr] = res;
smp_wmb();
- chip->rirb.cmds--;
- }
+ 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]);
}
}
/* receive a response */
-static unsigned int azx_rirb_get_response(struct hda_bus *bus)
+static unsigned int azx_rirb_get_response(struct hda_bus *bus,
+ unsigned int addr)
{
struct azx *chip = bus->private_data;
unsigned long timeout;
@@ -616,10 +655,10 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
azx_update_rirb(chip);
spin_unlock_irq(&chip->reg_lock);
}
- if (!chip->rirb.cmds) {
+ if (!chip->rirb.cmds[addr]) {
smp_rmb();
bus->rirb_error = 0;
- return chip->rirb.res; /* the last value */
+ return chip->rirb.res[addr]; /* the last value */
}
if (time_after(jiffies, timeout))
break;
@@ -633,7 +672,8 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
if (chip->msi) {
snd_printk(KERN_WARNING SFX "No response from codec, "
- "disabling MSI: last cmd=0x%08x\n", chip->last_cmd);
+ "disabling MSI: last cmd=0x%08x\n",
+ chip->last_cmd[addr]);
free_irq(chip->irq, chip);
chip->irq = -1;
pci_disable_msi(chip->pci);
@@ -648,7 +688,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
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);
+ chip->last_cmd[addr]);
chip->polling_mode = 1;
goto again;
}
@@ -672,7 +712,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
"switching to single_cmd mode: last cmd=0x%08x\n",
- chip->last_cmd);
+ chip->last_cmd[addr]);
chip->single_cmd = 1;
bus->response_reset = 0;
/* re-initialize CORB/RIRB */
@@ -692,7 +732,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus)
*/
/* receive a response */
-static int azx_single_wait_for_response(struct azx *chip)
+static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
{
int timeout = 50;
@@ -700,7 +740,7 @@ static int azx_single_wait_for_response(struct azx *chip)
/* check IRV busy bit */
if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
/* reuse rirb.res as the response return value */
- chip->rirb.res = azx_readl(chip, IR);
+ chip->rirb.res[addr] = azx_readl(chip, IR);
return 0;
}
udelay(1);
@@ -708,7 +748,7 @@ static int azx_single_wait_for_response(struct azx *chip)
if (printk_ratelimit())
snd_printd(SFX "get_response timeout: IRS=0x%x\n",
azx_readw(chip, IRS));
- chip->rirb.res = -1;
+ chip->rirb.res[addr] = -1;
return -EIO;
}
@@ -716,6 +756,7 @@ static int azx_single_wait_for_response(struct azx *chip)
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;
@@ -728,7 +769,7 @@ static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
azx_writel(chip, IC, val);
azx_writew(chip, IRS, azx_readw(chip, IRS) |
ICH6_IRS_BUSY);
- return azx_single_wait_for_response(chip);
+ return azx_single_wait_for_response(chip, addr);
}
udelay(1);
}
@@ -739,10 +780,11 @@ static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
}
/* receive a response */
-static unsigned int azx_single_get_response(struct hda_bus *bus)
+static unsigned int azx_single_get_response(struct hda_bus *bus,
+ unsigned int addr)
{
struct azx *chip = bus->private_data;
- return chip->rirb.res;
+ return chip->rirb.res[addr];
}
/*
@@ -757,7 +799,7 @@ static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
{
struct azx *chip = bus->private_data;
- chip->last_cmd = val;
+ chip->last_cmd[azx_command_addr(val)] = val;
if (chip->single_cmd)
return azx_single_send_cmd(bus, val);
else
@@ -765,13 +807,14 @@ static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
}
/* get a response */
-static unsigned int azx_get_response(struct hda_bus *bus)
+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);
+ return azx_single_get_response(bus, addr);
else
- return azx_rirb_get_response(bus);
+ return azx_rirb_get_response(bus, addr);
}
#ifdef CONFIG_SND_HDA_POWER_SAVE
@@ -1243,10 +1286,12 @@ static int probe_codec(struct azx *chip, int addr)
(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);
+ 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);
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