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Diffstat (limited to 'sound/pci/emu10k1/emu10k1_main.c')
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c228
1 files changed, 93 insertions, 135 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 891453451543..ccf4415a1c7b 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -32,7 +32,6 @@
*/
#include <linux/sched.h>
-#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -662,7 +661,7 @@ static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
return 0;
}
-static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu,
+static int snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu,
const struct firmware *fw_entry)
{
int n, i;
@@ -708,98 +707,104 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu,
return 0;
}
-static int emu1010_firmware_thread(void *data)
+/* firmware file names, per model, init-fw and dock-fw (optional) */
+static const char * const firmware_names[5][2] = {
+ [EMU_MODEL_EMU1010] = {
+ HANA_FILENAME, DOCK_FILENAME
+ },
+ [EMU_MODEL_EMU1010B] = {
+ EMU1010B_FILENAME, MICRO_DOCK_FILENAME
+ },
+ [EMU_MODEL_EMU1616] = {
+ EMU1010_NOTEBOOK_FILENAME, MICRO_DOCK_FILENAME
+ },
+ [EMU_MODEL_EMU0404] = {
+ EMU0404_FILENAME, NULL
+ },
+};
+
+static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu, int dock,
+ const struct firmware **fw)
{
- struct snd_emu10k1 *emu = data;
+ const char *filename;
+ int err;
+
+ if (!*fw) {
+ filename = firmware_names[emu->card_capabilities->emu_model][dock];
+ if (!filename)
+ return 0;
+ err = request_firmware(fw, filename, &emu->pci->dev);
+ if (err)
+ return err;
+ }
+
+ return snd_emu1010_load_firmware_entry(emu, *fw);
+}
+
+static void emu1010_firmware_work(struct work_struct *work)
+{
+ struct snd_emu10k1 *emu;
u32 tmp, tmp2, reg;
- u32 last_reg = 0;
int err;
- for (;;) {
- /* Delay to allow Audio Dock to settle */
- msleep_interruptible(1000);
- if (kthread_should_stop())
- break;
+ emu = container_of(work, struct snd_emu10k1,
+ emu1010.firmware_work.work);
+ if (emu->card->shutdown)
+ return;
#ifdef CONFIG_PM_SLEEP
- if (emu->suspend)
- continue;
+ if (emu->suspend)
+ return;
#endif
- snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &tmp); /* IRQ Status */
- snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg); /* OPTIONS: Which cards are attached to the EMU */
- if (reg & EMU_HANA_OPTION_DOCK_OFFLINE) {
- /* Audio Dock attached */
- /* Return to Audio Dock programming mode */
- dev_info(emu->card->dev,
- "emu1010: Loading Audio Dock Firmware\n");
- snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, EMU_HANA_FPGA_CONFIG_AUDIODOCK);
-
- if (!emu->dock_fw) {
- const char *filename = NULL;
- switch (emu->card_capabilities->emu_model) {
- case EMU_MODEL_EMU1010:
- filename = DOCK_FILENAME;
- break;
- case EMU_MODEL_EMU1010B:
- filename = MICRO_DOCK_FILENAME;
- break;
- case EMU_MODEL_EMU1616:
- filename = MICRO_DOCK_FILENAME;
- break;
- }
- if (filename) {
- err = request_firmware(&emu->dock_fw,
- filename,
- &emu->pci->dev);
- if (err)
- continue;
- }
- }
-
- if (emu->dock_fw) {
- err = snd_emu1010_load_firmware(emu, emu->dock_fw);
- if (err)
- continue;
- }
+ snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &tmp); /* IRQ Status */
+ snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg); /* OPTIONS: Which cards are attached to the EMU */
+ if (reg & EMU_HANA_OPTION_DOCK_OFFLINE) {
+ /* Audio Dock attached */
+ /* Return to Audio Dock programming mode */
+ dev_info(emu->card->dev,
+ "emu1010: Loading Audio Dock Firmware\n");
+ snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG,
+ EMU_HANA_FPGA_CONFIG_AUDIODOCK);
+ err = snd_emu1010_load_firmware(emu, 1, &emu->dock_fw);
+ if (err < 0)
+ goto next;
- snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
- snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &reg);
- dev_info(emu->card->dev,
- "emu1010: EMU_HANA+DOCK_IRQ_STATUS = 0x%x\n",
- reg);
- /* ID, should read & 0x7f = 0x55 when FPGA programmed. */
- snd_emu1010_fpga_read(emu, EMU_HANA_ID, &reg);
- dev_info(emu->card->dev,
- "emu1010: EMU_HANA+DOCK_ID = 0x%x\n", reg);
- if ((reg & 0x1f) != 0x15) {
- /* FPGA failed to be programmed */
- dev_info(emu->card->dev,
- "emu1010: Loading Audio Dock Firmware file failed, reg = 0x%x\n",
- reg);
- continue;
- }
- dev_info(emu->card->dev,
- "emu1010: Audio Dock Firmware loaded\n");
- snd_emu1010_fpga_read(emu, EMU_DOCK_MAJOR_REV, &tmp);
- snd_emu1010_fpga_read(emu, EMU_DOCK_MINOR_REV, &tmp2);
- dev_info(emu->card->dev, "Audio Dock ver: %u.%u\n",
- tmp, tmp2);
- /* Sync clocking between 1010 and Dock */
- /* Allow DLL to settle */
- msleep(10);
- /* Unmute all. Default is muted after a firmware load */
- snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
- } else if (!reg && last_reg) {
- /* Audio Dock removed */
+ snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
+ snd_emu1010_fpga_read(emu, EMU_HANA_IRQ_STATUS, &tmp);
+ dev_info(emu->card->dev,
+ "emu1010: EMU_HANA+DOCK_IRQ_STATUS = 0x%x\n", tmp);
+ /* ID, should read & 0x7f = 0x55 when FPGA programmed. */
+ snd_emu1010_fpga_read(emu, EMU_HANA_ID, &tmp);
+ dev_info(emu->card->dev,
+ "emu1010: EMU_HANA+DOCK_ID = 0x%x\n", tmp);
+ if ((tmp & 0x1f) != 0x15) {
+ /* FPGA failed to be programmed */
dev_info(emu->card->dev,
- "emu1010: Audio Dock detached\n");
- /* Unmute all */
- snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
+ "emu1010: Loading Audio Dock Firmware file failed, reg = 0x%x\n",
+ tmp);
+ goto next;
}
-
- last_reg = reg;
+ dev_info(emu->card->dev,
+ "emu1010: Audio Dock Firmware loaded\n");
+ snd_emu1010_fpga_read(emu, EMU_DOCK_MAJOR_REV, &tmp);
+ snd_emu1010_fpga_read(emu, EMU_DOCK_MINOR_REV, &tmp2);
+ dev_info(emu->card->dev, "Audio Dock ver: %u.%u\n", tmp, tmp2);
+ /* Sync clocking between 1010 and Dock */
+ /* Allow DLL to settle */
+ msleep(10);
+ /* Unmute all. Default is muted after a firmware load */
+ snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
+ } else if (!reg && emu->emu1010.last_reg) {
+ /* Audio Dock removed */
+ dev_info(emu->card->dev, "emu1010: Audio Dock detached\n");
+ /* Unmute all */
+ snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
}
- dev_info(emu->card->dev, "emu1010: firmware thread stopping\n");
- return 0;
+
+ next:
+ emu->emu1010.last_reg = reg;
+ if (!emu->card->shutdown)
+ schedule_delayed_work(&emu->emu1010.firmware_work,
+ msecs_to_jiffies(1000));
}
/*
@@ -881,39 +886,8 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
}
dev_info(emu->card->dev, "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;
- 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) {
- dev_info(emu->card->dev,
- "emu1010: firmware: %s not found. Err = %d\n",
- filename, err);
- return err;
- }
- dev_info(emu->card->dev,
- "emu1010: firmware file = %s, size = 0x%zx\n",
- filename, emu->firmware->size);
- }
-
- err = snd_emu1010_load_firmware(emu, emu->firmware);
- if (err != 0) {
+ err = snd_emu1010_load_firmware(emu, 0, &emu->firmware);
+ if (err < 0) {
dev_info(emu->card->dev, "emu1010: Loading Firmware failed\n");
return err;
}
@@ -1136,22 +1110,6 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
snd_emu1010_fpga_read(emu, EMU_HANA_SPDIF_MODE, &tmp);
snd_emu1010_fpga_write(emu, EMU_HANA_SPDIF_MODE, 0x10); /* SPDIF Format spdif (or 0x11 for aes/ebu) */
- /* Start Micro/Audio Dock firmware loader thread */
- if (!emu->emu1010.firmware_thread) {
- emu->emu1010.firmware_thread =
- kthread_create(emu1010_firmware_thread, emu,
- "emu1010_firmware");
- if (IS_ERR(emu->emu1010.firmware_thread)) {
- err = PTR_ERR(emu->emu1010.firmware_thread);
- emu->emu1010.firmware_thread = NULL;
- dev_info(emu->card->dev,
- "emu1010: Creating thread failed\n");
- return err;
- }
-
- wake_up_process(emu->emu1010.firmware_thread);
- }
-
#if 0
snd_emu1010_fpga_link_dst_src_write(emu,
EMU_DST_HAMOA_DAC_LEFT1, EMU_SRC_ALICE_EMU32B + 2); /* ALICE2 bus 0xa2 */
@@ -1309,8 +1267,7 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
/* Disable 48Volt power to Audio Dock */
snd_emu1010_fpga_write(emu, EMU_HANA_DOCK_PWR, 0);
}
- if (emu->emu1010.firmware_thread)
- kthread_stop(emu->emu1010.firmware_thread);
+ cancel_delayed_work_sync(&emu->emu1010.firmware_work);
release_firmware(emu->firmware);
release_firmware(emu->dock_fw);
if (emu->irq >= 0)
@@ -1852,6 +1809,7 @@ int snd_emu10k1_create(struct snd_card *card,
emu->irq = -1;
emu->synth = NULL;
emu->get_synth_voice = NULL;
+ INIT_DELAYED_WORK(&emu->emu1010.firmware_work, emu1010_firmware_work);
/* read revision & serial */
emu->revision = pci->revision;
pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &emu->serial);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.