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Commit b209c4df authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: emu10k1: cache emu1010 firmware 



Instead of calling request_firmware() at each time, keep the obtained
firmware internally and reuse it.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 90caaef6

include/sound/emu10k1.h

+3 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
#include <sound/timer.h>

#include <linux/interrupt.h>

#include <linux/mutex.h>

#include <linux/firmware.h>



#include <asm/io.h>

#include <uapi/sound/emu10k1.h>
@@ -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;

sound/pci/emu10k1/emu10k1_main.c

+36 −52
Original line number Diff line number Diff line
@@ -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);

			err = snd_emu1010_load_firmware(emu);

			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;

			}



			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,
@@ -849,6 +829,9 @@ 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->firmware) {

		const char *filename;

		switch (emu->card_capabilities->emu_model) {

		case EMU_MODEL_EMU1010:

			filename = HANA_FILENAME;
@@ -863,18 +846,17 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu) 
			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);



		err = request_firmware(&emu->firmware, filename, &emu->pci->dev);

		if (err != 0) {

		snd_printk(

			KERN_INFO "emu1010: Loading Firmware file %s failed\n",

			filename);

			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. */

	snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
@@ -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 */