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authorTakashi Iwai <tiwai@suse.de>2012-11-22 17:17:17 +0100
committerTakashi Iwai <tiwai@suse.de>2012-11-22 17:48:09 +0100
commitb209c4dfcd960ab176d4746ab7dc442a3edb4575 (patch)
tree9c8f679c40a0543380baab32177bc441dba327b3 /sound/pci/emu10k1
parent90caaef6a1ce2ec6675b1dc5afd57767954ab7e8 (diff)
downloadlinux-linaro-stable-b209c4dfcd960ab176d4746ab7dc442a3edb4575.tar.gz
ALSA: emu10k1: cache emu1010 firmware
Instead of calling request_firmware() at each time, keep the obtained firmware internally and reuse it. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/emu10k1')
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c88
1 files changed, 36 insertions, 52 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index c21adb6ef1d5..1dfb94d16b8b 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -657,22 +657,17 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
return 0;
}
-static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu, const char *filename)
+static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu)
{
- int err;
int n, i;
int reg;
int value;
unsigned int write_post;
unsigned long flags;
- const struct firmware *fw_entry;
+ const struct firmware *fw_entry = emu->firmware;
- err = request_firmware(&fw_entry, filename, &emu->pci->dev);
- if (err != 0) {
- snd_printk(KERN_ERR "firmware: %s not found. Err = %d\n", filename, err);
- return err;
- }
- snd_printk(KERN_INFO "firmware size = 0x%zx\n", fw_entry->size);
+ if (!fw_entry)
+ return -EIO;
/* The FPGA is a Xilinx Spartan IIE XC2S50E */
/* GPIO7 -> FPGA PGMN
@@ -705,7 +700,6 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu, const char *filena
write_post = inl(emu->port + A_IOCFG);
spin_unlock_irqrestore(&emu->emu_lock, flags);
- release_firmware(fw_entry);
return 0;
}
@@ -727,22 +721,9 @@ static 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->emu_model ==
- EMU_MODEL_EMU1010) {
- err = snd_emu1010_load_firmware(emu, DOCK_FILENAME);
- if (err != 0)
- continue;
- } else if (emu->card_capabilities->emu_model ==
- EMU_MODEL_EMU1010B) {
- err = snd_emu1010_load_firmware(emu, MICRO_DOCK_FILENAME);
- if (err != 0)
- continue;
- } else if (emu->card_capabilities->emu_model ==
- EMU_MODEL_EMU1616) {
- err = snd_emu1010_load_firmware(emu, MICRO_DOCK_FILENAME);
- if (err != 0)
- continue;
- }
+ err = snd_emu1010_load_firmware(emu);
+ if (err != 0)
+ continue;
snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &reg);
@@ -807,7 +788,6 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
unsigned int i;
u32 tmp, tmp2, 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,
@@ -849,31 +829,33 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
return -ENODEV;
}
snd_printk(KERN_INFO "emu1010: EMU_HANA_ID = 0x%x\n", reg);
- switch (emu->card_capabilities->emu_model) {
- case EMU_MODEL_EMU1010:
- filename = HANA_FILENAME;
- break;
- case EMU_MODEL_EMU1010B:
- filename = EMU1010B_FILENAME;
- break;
- case EMU_MODEL_EMU1616:
- filename = EMU1010_NOTEBOOK_FILENAME;
- break;
- case EMU_MODEL_EMU0404:
- 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;
+
+ if (!emu->firmware) {
+ const char *filename;
+ switch (emu->card_capabilities->emu_model) {
+ case EMU_MODEL_EMU1010:
+ filename = HANA_FILENAME;
+ break;
+ case EMU_MODEL_EMU1010B:
+ filename = EMU1010B_FILENAME;
+ break;
+ case EMU_MODEL_EMU1616:
+ filename = EMU1010_NOTEBOOK_FILENAME;
+ break;
+ case EMU_MODEL_EMU0404:
+ filename = EMU0404_FILENAME;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ err = request_firmware(&emu->firmware, filename, &emu->pci->dev);
+ if (err != 0) {
+ snd_printk(KERN_ERR "emu1010: firmware: %s not found. Err = %d\n", filename, err);
+ return err;
+ }
+ snd_printk(KERN_INFO "emu1010: firmware file = %s, size = 0x%zx\n",
+ filename, emu->firmware->size);
}
/* ID, should read & 0x7f = 0x55 when FPGA programmed. */
@@ -1259,6 +1241,8 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
}
if (emu->emu1010.firmware_thread)
kthread_stop(emu->emu1010.firmware_thread);
+ if (emu->firmware)
+ release_firmware(emu->firmware);
if (emu->irq >= 0)
free_irq(emu->irq, emu);
/* remove reserved page */