Linux Sound subsystem development
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From: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
To: linux-sound@vger.kernel.org
Cc: Takashi Iwai <tiwai@suse.de>, Jaroslav Kysela <perex@perex.cz>,
	Pietro Caruso <pietrocaruso50@gmail.com>
Subject: [PATCH 02/10] ALSA: emu10k1: factor out snd_emu1010_load_dock_firmware()
Date: Sun, 21 Apr 2024 22:46:59 +0200	[thread overview]
Message-ID: <20240421204707.2487686-3-oswald.buddenhagen@gmx.de> (raw)
In-Reply-To: <20240421204707.2487686-1-oswald.buddenhagen@gmx.de>

Pulled out of the next patch to improve its legibility.

As the function is now available, call it directly from
snd_emu10k1_emu1010_init(), thus making the MicroDock firmware loading
synchronous - there isn't really a reason not to. Note that this does
not affect the AudioDocks of rev1 cards, as these have no independent
power supplies, and thus come up only a while after the main card is
initialized.

As a drive-by, adjust the priorities of two messages to better reflect
their impact.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
---
 sound/pci/emu10k1/emu10k1_main.c | 66 +++++++++++++++++---------------
 1 file changed, 36 insertions(+), 30 deletions(-)

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 85f70368a27d..6265fc9ae260 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -732,11 +732,43 @@ static int snd_emu1010_load_firmware(struct snd_emu10k1 *emu, int dock,
 	return snd_emu1010_load_firmware_entry(emu, *fw);
 }
 
+static void snd_emu1010_load_dock_firmware(struct snd_emu10k1 *emu)
+{
+	u32 tmp, tmp2;
+	int err;
+
+	dev_info(emu->card->dev, "emu1010: Loading Audio Dock Firmware\n");
+	/* Return to Audio Dock programming mode */
+	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)
+		return;
+	snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
+
+	snd_emu1010_fpga_read(emu, EMU_HANA_ID, &tmp);
+	dev_dbg(emu->card->dev, "emu1010: EMU_HANA+DOCK_ID = 0x%x\n", tmp);
+	if ((tmp & 0x1f) != 0x15) {
+		/* FPGA failed to be programmed */
+		dev_err(emu->card->dev,
+			"emu1010: Loading Audio Dock Firmware failed, reg = 0x%x\n",
+			tmp);
+		return;
+	}
+	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);
+
+	/* Allow DLL to settle, to sync clocking between 1010 and Dock */
+	msleep(10);
+}
+
 static void emu1010_firmware_work(struct work_struct *work)
 {
 	struct snd_emu10k1 *emu;
-	u32 tmp, tmp2, reg;
-	int err;
+	u32 reg;
 
 	emu = container_of(work, struct snd_emu10k1,
 			   emu1010.firmware_work);
@@ -749,33 +781,7 @@ static void emu1010_firmware_work(struct work_struct *work)
 	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)
-			return;
-		snd_emu1010_fpga_write(emu, EMU_HANA_FPGA_CONFIG, 0);
-		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: Loading Audio Dock Firmware file failed, reg = 0x%x\n",
-				 tmp);
-			return;
-		}
-		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);
+		snd_emu1010_load_dock_firmware(emu);
 		/* Unmute all. Default is muted after a firmware load */
 		snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE);
 	} else if (!(reg & EMU_HANA_OPTION_DOCK_ONLINE)) {
@@ -892,7 +898,7 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
 	snd_emu1010_fpga_read(emu, EMU_HANA_OPTION_CARDS, &reg);
 	dev_info(emu->card->dev, "emu1010: Card options = 0x%x\n", reg);
 	if (reg & EMU_HANA_OPTION_DOCK_OFFLINE)
-		schedule_work(&emu->emu1010.firmware_work);
+		snd_emu1010_load_dock_firmware(emu);
 	if (emu->card_capabilities->no_adat) {
 		emu->emu1010.optical_in = 0; /* IN_SPDIF */
 		emu->emu1010.optical_out = 0; /* OUT_SPDIF */
-- 
2.44.0.701.g2cf7baacf3.dirty


  parent reply	other threads:[~2024-04-21 20:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-21 20:46 [PATCH 00/10] ALSA: emu10k1: fixes related to uploading firmware to the E-MU dock Oswald Buddenhagen
2024-04-21 20:46 ` [PATCH 01/10] ALSA: emu10k1: fix E-MU card dock presence monitoring Oswald Buddenhagen
2024-04-21 20:46 ` Oswald Buddenhagen [this message]
2024-04-21 20:47 ` [PATCH 03/10] ALSA: emu10k1: move the whole GPIO event handling to the workqueue Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 04/10] ALSA: emu10k1: use mutex for E-MU FPGA access locking Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 05/10] ALSA: emu10k1: fix E-MU dock initialization Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 06/10] ALSA: emu10k1: simplify E-MU card FPGA reset sequence Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 07/10] ALSA: emu10k1: make snd_emu1010_load_firmware_entry() void Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 08/10] ALSA: emu10k1: move entering E-MU card FPGA programming mode Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 09/10] ALSA: emu10k1: move snd_emu1010_load_firmware_entry() to io.c Oswald Buddenhagen
2024-04-21 20:47 ` [PATCH 10/10] ALSA: emu10k1: make E-MU FPGA writes potentially more reliable Oswald Buddenhagen
2024-04-22 19:29 ` [PATCH 00/10] ALSA: emu10k1: fixes related to uploading firmware to the E-MU dock Takashi Iwai
2024-04-23  7:21   ` Oswald Buddenhagen

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