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author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2024-04-28 11:37:16 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2024-04-28 12:00:36 +0200 |
commit | 4c0c36863cc560d24ad482b3ba3bccd62bb101d5 (patch) | |
tree | e7191e68aac79b106ace1bba7ae7d44074c66806 /sound/pci/emu10k1/emu10k1_main.c | |
parent | ALSA: emu10k1: make snd_emu1010_load_firmware_entry() void (diff) | |
download | linux-4c0c36863cc560d24ad482b3ba3bccd62bb101d5.tar.xz linux-4c0c36863cc560d24ad482b3ba3bccd62bb101d5.zip |
ALSA: emu10k1: move snd_emu1010_load_firmware_entry() to io.c
It is a low-level I/O access function, so io.c is the natural place for
it.
While we're moving the code, reduce the scope of some variables, use
compound assignment operators, and add/adjust some comments.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-ID: <20240428093717.3198716-4-oswald.buddenhagen@gmx.de>
Diffstat (limited to 'sound/pci/emu10k1/emu10k1_main.c')
-rw-r--r-- | sound/pci/emu10k1/emu10k1_main.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index ec010971a220..c8aa4143ac4f 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -652,47 +652,6 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu) return 0; } -static void snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu, - const struct firmware *fw_entry) -{ - int n, i; - u16 reg; - u8 value; - __always_unused u16 write_post; - - /* The FPGA is a Xilinx Spartan IIE XC2S50E */ - /* On E-MU 0404b it is a Xilinx Spartan III XC3S50 */ - /* GPIO7 -> FPGA PGMN - * GPIO6 -> FPGA CCLK - * GPIO5 -> FPGA DIN - * FPGA CONFIG OFF -> FPGA PGMN - */ - spin_lock_irq(&emu->emu_lock); - outw(0x00, emu->port + A_GPIO); /* Set PGMN low for 100uS. */ - write_post = inw(emu->port + A_GPIO); - udelay(100); - outw(0x80, emu->port + A_GPIO); /* Leave bit 7 set during netlist setup. */ - write_post = inw(emu->port + A_GPIO); - udelay(100); /* Allow FPGA memory to clean */ - for (n = 0; n < fw_entry->size; n++) { - value = fw_entry->data[n]; - for (i = 0; i < 8; i++) { - reg = 0x80; - if (value & 0x1) - reg = reg | 0x20; - value = value >> 1; - outw(reg, emu->port + A_GPIO); - write_post = inw(emu->port + A_GPIO); - outw(reg | 0x40, emu->port + A_GPIO); - write_post = inw(emu->port + A_GPIO); - } - } - /* After programming, set GPIO bit 4 high again. */ - outw(0x10, emu->port + A_GPIO); - write_post = inw(emu->port + A_GPIO); - spin_unlock_irq(&emu->emu_lock); -} - /* firmware file names, per model, init-fw and dock-fw (optional) */ static const char * const firmware_names[5][2] = { [EMU_MODEL_EMU1010] = { |