From b209c4dfcd960ab176d4746ab7dc442a3edb4575 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 22 Nov 2012 17:17:17 +0100 Subject: [PATCH] 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 --- include/sound/emu10k1.h | 3 ++ sound/pci/emu10k1/emu10k1_main.c | 88 ++++++++++++++++------------------------ 2 files changed, 39 insertions(+), 52 deletions(-) diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h index 3707288..9dc94b5 100644 --- a/include/sound/emu10k1.h +++ b/include/sound/emu10k1.h @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -1785,6 +1786,8 @@ struct snd_emu10k1 { unsigned int efx_voices_mask[2]; unsigned int next_free_voice; + const struct firmware *firmware; + #ifdef CONFIG_PM_SLEEP unsigned int *saved_ptr; unsigned int *saved_gpr; diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index c21adb6..1dfb94d 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, ®); @@ -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 */ -- 2.7.4