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-rw-r--r--include/sound/emu10k1.h2
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c130
-rw-r--r--sound/pci/emu10k1/emufx.c6
-rw-r--r--sound/pci/emu10k1/emumixer.c4
-rw-r--r--sound/pci/emu10k1/emupcm.c8
-rw-r--r--sound/pci/emu10k1/emuproc.c4
-rw-r--r--sound/pci/emu10k1/io.c7
7 files changed, 97 insertions, 64 deletions
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index fb66a94..8a0c3c1 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1628,7 +1628,7 @@ struct snd_emu_chip_details {
unsigned char spdif_bug; /* Has Spdif phasing bug */
unsigned char ac97_chip; /* Has an AC97 chip: 1 = mandatory, 2 = optional */
unsigned char ecard; /* APS EEPROM */
- unsigned char emu1010; /* EMU 1010m card */
+ unsigned char emu_model; /* EMU model type */
unsigned char spi_dac; /* SPI interface for DAC */
unsigned char i2c_adc; /* I2C interface for ADC */
unsigned char adc_1361t; /* Use Philips 1361T ADC */
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 69f342c..da66067 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -54,12 +54,14 @@
#define DOCK_FILENAME "emu/audio_dock.fw"
#define EMU1010B_FILENAME "emu/emu1010b.fw"
#define MICRO_DOCK_FILENAME "emu/micro_dock.fw"
+#define EMU0404_FILENAME "emu/emu0404.fw"
#define EMU1010_NOTEBOOK_FILENAME "emu/emu1010_notebook.fw"
MODULE_FIRMWARE(HANA_FILENAME);
MODULE_FIRMWARE(DOCK_FILENAME);
MODULE_FIRMWARE(EMU1010B_FILENAME);
MODULE_FIRMWARE(MICRO_DOCK_FILENAME);
+MODULE_FIRMWARE(EMU0404_FILENAME);
MODULE_FIRMWARE(EMU1010_NOTEBOOK_FILENAME);
@@ -287,7 +289,7 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
snd_emu10k1_ptr_write(emu, MAPB, ch, silent_page);
}
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
outl(HCFG_AUTOMUTE_ASYNC |
HCFG_EMU32_SLAVE |
HCFG_AUDIOENABLE, emu->port + HCFG);
@@ -317,7 +319,7 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
outl(HCFG_LOCKTANKCACHE_MASK | HCFG_AUTOMUTE | HCFG_JOYENABLE, emu->port + HCFG);
if (enable_ir) { /* enable IR for SB Live */
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
; /* Disable all access to A_IOCFG for the emu1010 */
} else if (emu->card_capabilities->i2c_adc) {
; /* Disable A_IOCFG for Audigy 2 ZS Notebook */
@@ -338,7 +340,7 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
}
}
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
; /* Disable all access to A_IOCFG for the emu1010 */
} else if (emu->card_capabilities->i2c_adc) {
; /* Disable A_IOCFG for Audigy 2 ZS Notebook */
@@ -358,7 +360,7 @@ static void snd_emu10k1_audio_enable(struct snd_emu10k1 *emu)
outl(inl(emu->port + HCFG) | HCFG_AUDIOENABLE, emu->port + HCFG);
/* Enable analog/digital outs on audigy */
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
; /* Disable all access to A_IOCFG for the emu1010 */
} else if (emu->card_capabilities->i2c_adc) {
; /* Disable A_IOCFG for Audigy 2 ZS Notebook */
@@ -660,6 +662,8 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 * emu, const char * file
int n, i;
int reg;
int value;
+ unsigned int write_post;
+ unsigned long flags;
const struct firmware *fw_entry;
if ((err = request_firmware(&fw_entry, filename, &emu->pci->dev)) != 0) {
@@ -667,12 +671,6 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 * emu, const char * file
return err;
}
snd_printk(KERN_INFO "firmware size=0x%zx\n", fw_entry->size);
-#if 0
- if (fw_entry->size != 0x133a4) {
- snd_printk(KERN_ERR "firmware: %s wrong size.\n",filename);
- return -EINVAL;
- }
-#endif
/* The FPGA is a Xilinx Spartan IIE XC2S50E */
/* GPIO7 -> FPGA PGMN
@@ -680,9 +678,12 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 * emu, const char * file
* GPIO5 -> FPGA DIN
* FPGA CONFIG OFF -> FPGA PGMN
*/
+ spin_lock_irqsave(&emu->emu_lock, flags);
outl(0x00, emu->port + A_IOCFG); /* Set PGMN low for 1uS. */
- udelay(1);
+ write_post = inl(emu->port + A_IOCFG);
+ udelay(100);
outl(0x80, emu->port + A_IOCFG); /* Leave bit 7 set during netlist setup. */
+ write_post = inl(emu->port + A_IOCFG);
udelay(100); /* Allow FPGA memory to clean */
for(n = 0; n < fw_entry->size; n++) {
value=fw_entry->data[n];
@@ -692,12 +693,15 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 * emu, const char * file
reg = reg | 0x20;
value = value >> 1;
outl(reg, emu->port + A_IOCFG);
+ write_post = inl(emu->port + A_IOCFG);
outl(reg | 0x40, emu->port + A_IOCFG);
+ write_post = inl(emu->port + A_IOCFG);
}
}
/* After programming, set GPIO bit 4 high again. */
outl(0x10, emu->port + A_IOCFG);
-
+ write_post = inl(emu->port + A_IOCFG);
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
release_firmware(fw_entry);
return 0;
@@ -711,7 +715,7 @@ int emu1010_firmware_thread(void *data) {
for (;;) {
/* Delay to allow Audio Dock to settle */
- msleep(1000);
+ msleep_interruptible(1000);
if (kthread_should_stop())
break;
snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &tmp ); /* IRQ Status */
@@ -721,17 +725,17 @@ int emu1010_firmware_thread(void *data) {
/* Return to Audio Dock programming mode */
snd_printk(KERN_INFO "emu1010: Loading Audio Dock Firmware\n");
snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_AUDIODOCK );
- if (emu->card_capabilities->emu1010 == 1) {
+ if (emu->card_capabilities->emu_model == 1) {
if ((err = snd_emu1010_load_firmware(emu, DOCK_FILENAME)) != 0) {
- return err;
+ continue;
}
- } else if (emu->card_capabilities->emu1010 == 2) {
+ } else if (emu->card_capabilities->emu_model == 2) {
if ((err = snd_emu1010_load_firmware(emu, MICRO_DOCK_FILENAME)) != 0) {
- return err;
+ continue;
}
- } else if (emu->card_capabilities->emu1010 == 3) {
+ } else if (emu->card_capabilities->emu_model == 3) {
if ((err = snd_emu1010_load_firmware(emu, MICRO_DOCK_FILENAME)) != 0) {
- return err;
+ continue;
}
}
@@ -744,8 +748,7 @@ int emu1010_firmware_thread(void *data) {
if ((reg & 0x1f) != 0x15) {
/* FPGA failed to be programmed */
snd_printk(KERN_INFO "emu1010: Loading Audio Dock Firmware file failed, reg=0x%x\n", reg);
- return 0;
- return -ENODEV;
+ continue;
}
snd_printk(KERN_INFO "emu1010: Audio Dock Firmware loaded\n");
snd_emu1010_fpga_read(emu, EMU_DOCK_MAJOR_REV, &tmp );
@@ -756,9 +759,9 @@ int emu1010_firmware_thread(void *data) {
msleep(10);
/* Unmute all. Default is muted after a firmware load */
snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE );
- break;
}
}
+ snd_printk(KERN_INFO "emu1010: firmware thread stopping\n");
return 0;
}
@@ -799,6 +802,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 * emu)
int tmp,tmp2;
int reg;
int err;
+ const char *filename = NULL;
snd_printk(KERN_INFO "emu1010: Special config.\n");
/* AC97 2.1, Any 16Meg of 4Gig address, Auto-Mute, EMU32 Slave,
@@ -840,21 +844,31 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 * emu)
return -ENODEV;
}
snd_printk(KERN_INFO "emu1010: EMU_HANA_ID=0x%x\n",reg);
- if (emu->card_capabilities->emu1010 == 1) {
- if ((err = snd_emu1010_load_firmware(emu, HANA_FILENAME)) != 0) {
- snd_printk(KERN_INFO "emu1010: Loading Hana Firmware file %s failed\n", HANA_FILENAME);
- return err;
- }
- } else if (emu->card_capabilities->emu1010 == 2) {
- if ((err = snd_emu1010_load_firmware(emu, EMU1010B_FILENAME)) != 0) {
- snd_printk(KERN_INFO "emu1010: Loading Firmware file %s failed\n", EMU1010B_FILENAME);
- return err;
- }
- } else if (emu->card_capabilities->emu1010 == 3) {
- if ((err = snd_emu1010_load_firmware(emu, EMU1010_NOTEBOOK_FILENAME)) != 0) {
- snd_printk(KERN_INFO "emu1010: Loading Firmware file %s failed\n", EMU1010_NOTEBOOK_FILENAME);
- return err;
- }
+ switch (emu->card_capabilities->emu_model) {
+ case 1:
+ filename = HANA_FILENAME;
+ break;
+ case 2:
+ filename = EMU1010B_FILENAME;
+ break;
+ case 3:
+ filename = EMU1010_NOTEBOOK_FILENAME;
+ break;
+ case 4:
+ filename = EMU0404_FILENAME;
+ break;
+ default:
+ filename = NULL;
+ return -ENODEV;
+ break;
+ }
+ snd_printk(KERN_INFO "emu1010: filename %s testing\n", filename);
+ err = snd_emu1010_load_firmware(emu, filename);
+ if (err != 0) {
+ snd_printk(
+ KERN_INFO "emu1010: Loading Firmware file %s failed\n",
+ filename);
+ return err;
}
/* ID, should read & 0x7f = 0x55 when FPGA programmed. */
@@ -1201,11 +1215,12 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
}
snd_emu10k1_free_efx(emu);
}
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model == 1) {
/* Disable 48Volt power to Audio Dock */
snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, 0 );
- kthread_stop(emu->emu1010.firmware_thread);
}
+ if (emu->card_capabilities->emu_model)
+ kthread_stop(emu->emu1010.firmware_thread);
if (emu->memhdr)
snd_util_memhdr_free(emu->memhdr);
if (emu->silent_page.area)
@@ -1337,6 +1352,15 @@ static struct snd_emu_chip_details emu_chip_details[] = {
.spi_dac = 1,
.i2c_adc = 1,
.spk71 = 1} ,
+ /* Tested by James@superbug.co.uk 20-3-2007. */
+ {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40021102,
+ .driver = "Audigy2", .name = "E-mu 0404 [4002]",
+ .id = "EMU0404",
+ .emu10k2_chip = 1,
+ .ca0102_chip = 1,
+ .spk71 = 1,
+ .emu_model = 4} , /* EMU 0404 */
+ /* Tested by James@superbug.co.uk 4th Nov 2007. */
{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x42011102,
.driver = "Audigy2", .name = "E-mu 1010 Notebook [MAEM8950]",
.id = "EMU1010",
@@ -1344,28 +1368,30 @@ static struct snd_emu_chip_details emu_chip_details[] = {
.ca0108_chip = 1,
.ca_cardbus_chip = 1,
.spk71 = 1 ,
- .emu1010 = 3} ,
+ .emu_model = 3} ,
+ /* Tested by James@superbug.co.uk 4th Nov 2007. */
{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40041102,
.driver = "Audigy2", .name = "E-mu 1010b PCI [MAEM????]",
.id = "EMU1010",
.emu10k2_chip = 1,
.ca0108_chip = 1,
- .spk71 = 1 ,
- .emu1010 = 2} ,
+ .spk71 = 1,
+ .emu_model = 2} ,
+ /* Tested by James@superbug.co.uk 8th July 2005. */
+ {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
+ .driver = "Audigy2", .name = "E-mu 1010 [4001]",
+ .id = "EMU1010",
+ .emu10k2_chip = 1,
+ .ca0102_chip = 1,
+ .spk71 = 1,
+ .emu_model = 1} , /* Emu 1010 */
+ /* Audigy4 (Not PRO) SB0610 */
{.vendor = 0x1102, .device = 0x0008,
.driver = "Audigy2", .name = "Audigy 2 Value [Unknown]",
.id = "Audigy2",
.emu10k2_chip = 1,
.ca0108_chip = 1,
.ac97_chip = 1} ,
- /* Tested by James@superbug.co.uk 8th July 2005. No sound available yet. */
- {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
- .driver = "Audigy2", .name = "E-mu 1010 [4001]",
- .id = "EMU1010",
- .emu10k2_chip = 1,
- .ca0102_chip = 1,
- .spk71 = 1,
- .emu1010 = 1} ,
/* Tested by James@superbug.co.uk 3rd July 2005 */
{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x20071102,
.driver = "Audigy2", .name = "Audigy 4 PRO [SB0380]",
@@ -1793,7 +1819,7 @@ int __devinit snd_emu10k1_create(struct snd_card *card,
if (emu->card_capabilities->ecard) {
if ((err = snd_emu10k1_ecard_init(emu)) < 0)
goto error;
- } else if (emu->card_capabilities->emu1010) {
+ } else if (emu->card_capabilities->emu_model) {
if ((err = snd_emu10k1_emu1010_init(emu)) < 0) {
snd_emu10k1_free(emu);
return err;
@@ -1942,7 +1968,7 @@ void snd_emu10k1_resume_init(struct snd_emu10k1 *emu)
snd_emu10k1_cardbus_init(emu);
if (emu->card_capabilities->ecard)
snd_emu10k1_ecard_init(emu);
- else if (emu->card_capabilities->emu1010)
+ else if (emu->card_capabilities->emu_model)
snd_emu10k1_emu1010_init(emu);
else
snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 354a892..71dc4c8 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -1261,7 +1261,7 @@ static int __devinit _snd_emu10k1_audigy_init_efx(struct snd_emu10k1 *emu)
A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
/* emu1212 DSP 0 and DSP 1 Capture */
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
if (emu->card_capabilities->ca0108_chip) {
/* Note:JCD:No longer bit shift lower 16bits to upper 16bits of 32bit value. */
A_OP(icode, &ptr, iMACINT0, A_GPR(tmp), A_C_00000000, A3_EMU32IN(0x0), A_C_00000001);
@@ -1515,7 +1515,7 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
/* digital outputs */
/* A_PUT_STEREO_OUTPUT(A_EXTOUT_FRONT_L, A_EXTOUT_FRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS); */
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
/* EMU1010 Outputs from PCM Front, Rear, Center, LFE, Side */
snd_printk("EMU outputs on\n");
for (z = 0; z < 8; z++) {
@@ -1563,7 +1563,7 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
A_PUT_OUTPUT(A_EXTOUT_ADC_CAP_R, capture+1);
#endif
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
if (emu->card_capabilities->ca0108_chip) {
snd_printk("EMU2 inputs on\n");
for (z = 0; z < 0x10; z++) {
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index 5a38fe7..83acfa6 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -1792,7 +1792,7 @@ int __devinit snd_emu10k1_mixer(struct snd_emu10k1 *emu,
return err;
}
- if ( emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
; /* Disable the snd_audigy_spdif_shared_spdif */
} else if (emu->audigy) {
if ((kctl = snd_ctl_new1(&snd_audigy_shared_spdif, emu)) == NULL)
@@ -1817,7 +1817,7 @@ int __devinit snd_emu10k1_mixer(struct snd_emu10k1 *emu,
return err;
}
- if ( emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
int i;
for (i = 0; i < ARRAY_SIZE(snd_emu1010_output_enum_ctls); i++) {
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index cf4e3ec..cf9276dd 100644
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -357,7 +357,7 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
- if (emu->card_capabilities->emu1010)
+ if (emu->card_capabilities->emu_model)
pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
else
pitch_target = emu10k1_calc_pitch_target(runtime->rate);
@@ -700,7 +700,7 @@ static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct s
voice = evoice->number;
pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
- if (emu->card_capabilities->emu1010)
+ if (emu->card_capabilities->emu_model)
pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
else
pitch_target = emu10k1_calc_pitch_target(runtime->rate);
@@ -1231,7 +1231,7 @@ static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
runtime->hw.rates = SNDRV_PCM_RATE_48000;
runtime->hw.rate_min = runtime->hw.rate_max = 48000;
spin_lock_irq(&emu->reg_lock);
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
/* Nb. of channels has been increased to 16 */
/* TODO
* SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
@@ -1790,7 +1790,7 @@ int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct s
/* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
if (emu->audigy) {
emu->efx_voices_mask[0] = 0;
- if (emu->card_capabilities->emu1010)
+ if (emu->card_capabilities->emu_model)
/* Pavel Hofman - 32 voices will be used for
* capture (write mode) -
* each bit = corresponding voice
diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
index bd8a471..f3caa3f 100644
--- a/sound/pci/emu10k1/emuproc.c
+++ b/sound/pci/emu10k1/emuproc.c
@@ -244,7 +244,7 @@ static void snd_emu10k1_proc_spdif_read(struct snd_info_entry *entry,
unsigned long flags;
u32 rate;
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
spin_lock_irqsave(&emu->emu_lock, flags);
snd_emu1010_fpga_read(emu, 0x38, &value);
spin_unlock_irqrestore(&emu->emu_lock, flags);
@@ -584,7 +584,7 @@ int __devinit snd_emu10k1_proc_init(struct snd_emu10k1 * emu)
{
struct snd_info_entry *entry;
#ifdef CONFIG_SND_DEBUG
- if (emu->card_capabilities->emu1010) {
+ if (emu->card_capabilities->emu_model) {
if (! snd_card_proc_new(emu->card, "emu1010_regs", &entry))
snd_info_set_text_ops(entry, emu, snd_emu_proc_emu1010_reg_read);
}
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index 2862e17..a026383 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -227,11 +227,14 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
{
+ unsigned long flags;
+
if (reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
if (value < 0 || value > 0x3f) /* 0 to 0x3f are values */
return 1;
+ spin_lock_irqsave(&emu->emu_lock, flags);
outl(reg, emu->port + A_IOCFG);
udelay(10);
outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
@@ -239,20 +242,24 @@ int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
outl(value, emu->port + A_IOCFG);
udelay(10);
outl(value | 0x80 , emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
return 0;
}
int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, u32 reg, u32 *value)
{
+ unsigned long flags;
if (reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
+ spin_lock_irqsave(&emu->emu_lock, flags);
outl(reg, emu->port + A_IOCFG);
udelay(10);
outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
udelay(10);
*value = ((inl(emu->port + A_IOCFG) >> 8) & 0x7f);
+ spin_unlock_irqrestore(&emu->emu_lock, flags);
return 0;
}
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