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Diffstat (limited to 'sound/pci/mixart/mixart_hwdep.c')
-rw-r--r--sound/pci/mixart/mixart_hwdep.c591
1 files changed, 591 insertions, 0 deletions
diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c
new file mode 100644
index 000000000..bc92758de
--- /dev/null
+++ b/sound/pci/mixart/mixart_hwdep.c
@@ -0,0 +1,591 @@
+/*
+ * Driver for Digigram miXart soundcards
+ *
+ * DSP firmware management
+ *
+ * Copyright (c) 2003 by Digigram <alsa@digigram.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <sound/core.h>
+#include "mixart.h"
+#include "mixart_mixer.h"
+#include "mixart_core.h"
+#include "mixart_hwdep.h"
+
+
+/**
+ * wait for a value on a peudo register, exit with a timeout
+ *
+ * @mgr: pointer to miXart manager structure
+ * @offset: unsigned pseudo_register base + offset of value
+ * @is_egal: wait for the equal value
+ * @value: value
+ * @timeout: timeout in centisenconds
+ */
+static int mixart_wait_nice_for_register_value(struct mixart_mgr *mgr,
+ u32 offset, int is_egal,
+ u32 value, unsigned long timeout)
+{
+ unsigned long end_time = jiffies + (timeout * HZ / 100);
+ u32 read;
+
+ do { /* we may take too long time in this loop.
+ * so give controls back to kernel if needed.
+ */
+ cond_resched();
+
+ read = readl_be( MIXART_MEM( mgr, offset ));
+ if(is_egal) {
+ if(read == value) return 0;
+ }
+ else { /* wait for different value */
+ if(read != value) return 0;
+ }
+ } while ( time_after_eq(end_time, jiffies) );
+
+ return -EBUSY;
+}
+
+
+/*
+ structures needed to upload elf code packets
+ */
+struct snd_mixart_elf32_ehdr {
+ u8 e_ident[16];
+ __be16 e_type;
+ __be16 e_machine;
+ __be32 e_version;
+ __be32 e_entry;
+ __be32 e_phoff;
+ __be32 e_shoff;
+ __be32 e_flags;
+ __be16 e_ehsize;
+ __be16 e_phentsize;
+ __be16 e_phnum;
+ __be16 e_shentsize;
+ __be16 e_shnum;
+ __be16 e_shstrndx;
+};
+
+struct snd_mixart_elf32_phdr {
+ __be32 p_type;
+ __be32 p_offset;
+ __be32 p_vaddr;
+ __be32 p_paddr;
+ __be32 p_filesz;
+ __be32 p_memsz;
+ __be32 p_flags;
+ __be32 p_align;
+};
+
+static int mixart_load_elf(struct mixart_mgr *mgr, const struct firmware *dsp )
+{
+ char elf32_magic_number[4] = {0x7f,'E','L','F'};
+ struct snd_mixart_elf32_ehdr *elf_header;
+ int i;
+
+ elf_header = (struct snd_mixart_elf32_ehdr *)dsp->data;
+ for( i=0; i<4; i++ )
+ if ( elf32_magic_number[i] != elf_header->e_ident[i] )
+ return -EINVAL;
+
+ if( elf_header->e_phoff != 0 ) {
+ struct snd_mixart_elf32_phdr elf_programheader;
+
+ for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) {
+ u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize));
+
+ memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) );
+
+ if(elf_programheader.p_type != 0) {
+ if( elf_programheader.p_filesz != 0 ) {
+ memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)),
+ dsp->data + be32_to_cpu( elf_programheader.p_offset ),
+ be32_to_cpu( elf_programheader.p_filesz ));
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+/*
+ * get basic information and init miXart
+ */
+
+/* audio IDs for request to the board */
+#define MIXART_FIRST_ANA_AUDIO_ID 0
+#define MIXART_FIRST_DIG_AUDIO_ID 8
+
+static int mixart_enum_connectors(struct mixart_mgr *mgr)
+{
+ u32 k;
+ int err;
+ struct mixart_msg request;
+ struct mixart_enum_connector_resp *connector;
+ struct mixart_audio_info_req *audio_info_req;
+ struct mixart_audio_info_resp *audio_info;
+
+ connector = kmalloc(sizeof(*connector), GFP_KERNEL);
+ audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL);
+ audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL);
+ if (! connector || ! audio_info_req || ! audio_info) {
+ err = -ENOMEM;
+ goto __error;
+ }
+
+ audio_info_req->line_max_level = MIXART_FLOAT_P_22_0_TO_HEX;
+ audio_info_req->micro_max_level = MIXART_FLOAT_M_20_0_TO_HEX;
+ audio_info_req->cd_max_level = MIXART_FLOAT____0_0_TO_HEX;
+
+ request.message_id = MSG_SYSTEM_ENUM_PLAY_CONNECTOR;
+ request.uid = (struct mixart_uid){0,0}; /* board num = 0 */
+ request.data = NULL;
+ request.size = 0;
+
+ err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
+ if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
+ dev_err(&mgr->pci->dev,
+ "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n");
+ err = -EINVAL;
+ goto __error;
+ }
+
+ for(k=0; k < connector->uid_count; k++) {
+ struct mixart_pipe *pipe;
+
+ if(k < MIXART_FIRST_DIG_AUDIO_ID) {
+ pipe = &mgr->chip[k/2]->pipe_out_ana;
+ } else {
+ pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig;
+ }
+ if(k & 1) {
+ pipe->uid_right_connector = connector->uid[k]; /* odd */
+ } else {
+ pipe->uid_left_connector = connector->uid[k]; /* even */
+ }
+
+ /* dev_dbg(&mgr->pci->dev, "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
+
+ /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
+ request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
+ request.uid = connector->uid[k];
+ request.data = audio_info_req;
+ request.size = sizeof(*audio_info_req);
+
+ err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
+ if( err < 0 ) {
+ dev_err(&mgr->pci->dev,
+ "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
+ goto __error;
+ }
+ /*dev_dbg(&mgr->pci->dev, "play analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
+ }
+
+ request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR;
+ request.uid = (struct mixart_uid){0,0}; /* board num = 0 */
+ request.data = NULL;
+ request.size = 0;
+
+ err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
+ if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
+ dev_err(&mgr->pci->dev,
+ "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n");
+ err = -EINVAL;
+ goto __error;
+ }
+
+ for(k=0; k < connector->uid_count; k++) {
+ struct mixart_pipe *pipe;
+
+ if(k < MIXART_FIRST_DIG_AUDIO_ID) {
+ pipe = &mgr->chip[k/2]->pipe_in_ana;
+ } else {
+ pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig;
+ }
+ if(k & 1) {
+ pipe->uid_right_connector = connector->uid[k]; /* odd */
+ } else {
+ pipe->uid_left_connector = connector->uid[k]; /* even */
+ }
+
+ /* dev_dbg(&mgr->pci->dev, "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
+
+ /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
+ request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
+ request.uid = connector->uid[k];
+ request.data = audio_info_req;
+ request.size = sizeof(*audio_info_req);
+
+ err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
+ if( err < 0 ) {
+ dev_err(&mgr->pci->dev,
+ "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
+ goto __error;
+ }
+ /*dev_dbg(&mgr->pci->dev, "rec analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
+ }
+ err = 0;
+
+ __error:
+ kfree(connector);
+ kfree(audio_info_req);
+ kfree(audio_info);
+
+ return err;
+}
+
+static int mixart_enum_physio(struct mixart_mgr *mgr)
+{
+ u32 k;
+ int err;
+ struct mixart_msg request;
+ struct mixart_uid get_console_mgr;
+ struct mixart_return_uid console_mgr;
+ struct mixart_uid_enumeration phys_io;
+
+ /* get the uid for the console manager */
+ get_console_mgr.object_id = 0;
+ get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */
+
+ request.message_id = MSG_CONSOLE_GET_CLOCK_UID;
+ request.uid = get_console_mgr;
+ request.data = &get_console_mgr;
+ request.size = sizeof(get_console_mgr);
+
+ err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr);
+
+ if( (err < 0) || (console_mgr.error_code != 0) ) {
+ dev_dbg(&mgr->pci->dev,
+ "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n",
+ console_mgr.error_code);
+ return -EINVAL;
+ }
+
+ /* used later for clock issues ! */
+ mgr->uid_console_manager = console_mgr.uid;
+
+ request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO;
+ request.uid = (struct mixart_uid){0,0};
+ request.data = &console_mgr.uid;
+ request.size = sizeof(console_mgr.uid);
+
+ err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io);
+ if( (err < 0) || ( phys_io.error_code != 0 ) ) {
+ dev_err(&mgr->pci->dev,
+ "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n",
+ err, phys_io.error_code);
+ return -EINVAL;
+ }
+
+ /* min 2 phys io per card (analog in + analog out) */
+ if (phys_io.nb_uid < MIXART_MAX_CARDS * 2)
+ return -EINVAL;
+
+ for(k=0; k<mgr->num_cards; k++) {
+ mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k];
+ mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k];
+ }
+
+ return 0;
+}
+
+
+static int mixart_first_init(struct mixart_mgr *mgr)
+{
+ u32 k;
+ int err;
+ struct mixart_msg request;
+
+ if((err = mixart_enum_connectors(mgr)) < 0) return err;
+
+ if((err = mixart_enum_physio(mgr)) < 0) return err;
+
+ /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */
+ /* though why not here */
+ request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
+ request.uid = (struct mixart_uid){0,0};
+ request.data = NULL;
+ request.size = 0;
+ /* this command has no data. response is a 32 bit status */
+ err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k);
+ if( (err < 0) || (k != 0) ) {
+ dev_err(&mgr->pci->dev, "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n");
+ return err == 0 ? -EINVAL : err;
+ }
+
+ return 0;
+}
+
+
+/* firmware base addresses (when hard coded) */
+#define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS 0x00600000
+
+static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp)
+{
+ int err, card_index;
+ u32 status_xilinx, status_elf, status_daught;
+ u32 val;
+
+ /* read motherboard xilinx status */
+ status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
+ /* read elf status */
+ status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
+ /* read daughterboard xilinx status */
+ status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
+
+ /* motherboard xilinx status 5 will say that the board is performing a reset */
+ if (status_xilinx == 5) {
+ dev_err(&mgr->pci->dev, "miXart is resetting !\n");
+ return -EAGAIN; /* try again later */
+ }
+
+ switch (index) {
+ case MIXART_MOTHERBOARD_XLX_INDEX:
+
+ /* xilinx already loaded ? */
+ if (status_xilinx == 4) {
+ dev_dbg(&mgr->pci->dev, "xilinx is already loaded !\n");
+ return 0;
+ }
+ /* the status should be 0 == "idle" */
+ if (status_xilinx != 0) {
+ dev_err(&mgr->pci->dev,
+ "xilinx load error ! status = %d\n",
+ status_xilinx);
+ return -EIO; /* modprob -r may help ? */
+ }
+
+ /* check xilinx validity */
+ if (((u32*)(dsp->data))[0] == 0xffffffff)
+ return -EINVAL;
+ if (dsp->size % 4)
+ return -EINVAL;
+
+ /* set xilinx status to copying */
+ writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
+
+ /* setup xilinx base address */
+ writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
+ /* setup code size for xilinx file */
+ writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
+
+ /* copy xilinx code */
+ memcpy_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->data, dsp->size);
+
+ /* set xilinx status to copy finished */
+ writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
+
+ /* return, because no further processing needed */
+ return 0;
+
+ case MIXART_MOTHERBOARD_ELF_INDEX:
+
+ if (status_elf == 4) {
+ dev_dbg(&mgr->pci->dev, "elf file already loaded !\n");
+ return 0;
+ }
+
+ /* the status should be 0 == "idle" */
+ if (status_elf != 0) {
+ dev_err(&mgr->pci->dev,
+ "elf load error ! status = %d\n",
+ status_elf);
+ return -EIO; /* modprob -r may help ? */
+ }
+
+ /* wait for xilinx status == 4 */
+ err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */
+ if (err < 0) {
+ dev_err(&mgr->pci->dev, "xilinx was not loaded or "
+ "could not be started\n");
+ return err;
+ }
+
+ /* init some data on the card */
+ writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */
+ writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* reset pointer to flow table on miXart */
+
+ /* set elf status to copying */
+ writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
+
+ /* process the copying of the elf packets */
+ err = mixart_load_elf( mgr, dsp );
+ if (err < 0) return err;
+
+ /* set elf status to copy finished */
+ writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
+
+ /* wait for elf status == 4 */
+ err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */
+ if (err < 0) {
+ dev_err(&mgr->pci->dev, "elf could not be started\n");
+ return err;
+ }
+
+ /* miXart waits at this point on the pointer to the flow table */
+ writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */
+
+ return 0; /* return, another xilinx file has to be loaded before */
+
+ case MIXART_AESEBUBOARD_XLX_INDEX:
+ default:
+
+ /* elf and xilinx should be loaded */
+ if (status_elf != 4 || status_xilinx != 4) {
+ dev_err(&mgr->pci->dev, "xilinx or elf not "
+ "successfully loaded\n");
+ return -EIO; /* modprob -r may help ? */
+ }
+
+ /* wait for daughter detection != 0 */
+ err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */
+ if (err < 0) {
+ dev_err(&mgr->pci->dev, "error starting elf file\n");
+ return err;
+ }
+
+ /* the board type can now be retrieved */
+ mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET)));
+
+ if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE)
+ break; /* no daughter board; the file does not have to be loaded, continue after the switch */
+
+ /* only if aesebu daughter board presence (elf code must run) */
+ if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES )
+ return -EINVAL;
+
+ /* daughter should be idle */
+ if (status_daught != 0) {
+ dev_err(&mgr->pci->dev,
+ "daughter load error ! status = %d\n",
+ status_daught);
+ return -EIO; /* modprob -r may help ? */
+ }
+
+ /* check daughterboard xilinx validity */
+ if (((u32*)(dsp->data))[0] == 0xffffffff)
+ return -EINVAL;
+ if (dsp->size % 4)
+ return -EINVAL;
+
+ /* inform mixart about the size of the file */
+ writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
+
+ /* set daughterboard status to 1 */
+ writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
+
+ /* wait for status == 2 */
+ err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */
+ if (err < 0) {
+ dev_err(&mgr->pci->dev, "daughter board load error\n");
+ return err;
+ }
+
+ /* get the address where to write the file */
+ val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET ));
+ if (!val)
+ return -EINVAL;
+
+ /* copy daughterboard xilinx code */
+ memcpy_toio( MIXART_MEM( mgr, val), dsp->data, dsp->size);
+
+ /* set daughterboard status to 4 */
+ writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
+
+ /* continue with init */
+ break;
+ } /* end of switch file index*/
+
+ /* wait for daughter status == 3 */
+ err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */
+ if (err < 0) {
+ dev_err(&mgr->pci->dev,
+ "daughter board could not be initialised\n");
+ return err;
+ }
+
+ /* init mailbox (communication with embedded) */
+ snd_mixart_init_mailbox(mgr);
+
+ /* first communication with embedded */
+ err = mixart_first_init(mgr);
+ if (err < 0) {
+ dev_err(&mgr->pci->dev, "miXart could not be set up\n");
+ return err;
+ }
+
+ /* create devices and mixer in accordance with HW options*/
+ for (card_index = 0; card_index < mgr->num_cards; card_index++) {
+ struct snd_mixart *chip = mgr->chip[card_index];
+
+ if ((err = snd_mixart_create_pcm(chip)) < 0)
+ return err;
+
+ if (card_index == 0) {
+ if ((err = snd_mixart_create_mixer(chip->mgr)) < 0)
+ return err;
+ }
+
+ if ((err = snd_card_register(chip->card)) < 0)
+ return err;
+ }
+
+ dev_dbg(&mgr->pci->dev,
+ "miXart firmware downloaded and successfully set up\n");
+
+ return 0;
+}
+
+
+int snd_mixart_setup_firmware(struct mixart_mgr *mgr)
+{
+ static char *fw_files[3] = {
+ "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx"
+ };
+ char path[32];
+
+ const struct firmware *fw_entry;
+ int i, err;
+
+ for (i = 0; i < 3; i++) {
+ sprintf(path, "mixart/%s", fw_files[i]);
+ if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
+ dev_err(&mgr->pci->dev,
+ "miXart: can't load firmware %s\n", path);
+ return -ENOENT;
+ }
+ /* fake hwdep dsp record */
+ err = mixart_dsp_load(mgr, i, fw_entry);
+ release_firmware(fw_entry);
+ if (err < 0)
+ return err;
+ mgr->dsp_loaded |= 1 << i;
+ }
+ return 0;
+}
+
+MODULE_FIRMWARE("mixart/miXart8.xlx");
+MODULE_FIRMWARE("mixart/miXart8.elf");
+MODULE_FIRMWARE("mixart/miXart8AES.xlx");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 15:11:03 +0000