14da6b033SAjit Kumar Pandey // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
24da6b033SAjit Kumar Pandey //
34da6b033SAjit Kumar Pandey // This file is provided under a dual BSD/GPLv2 license. When using or
44da6b033SAjit Kumar Pandey // redistributing this file, you may do so under either license.
54da6b033SAjit Kumar Pandey //
64da6b033SAjit Kumar Pandey // Copyright(c) 2022 Advanced Micro Devices, Inc.
74da6b033SAjit Kumar Pandey //
84da6b033SAjit Kumar Pandey // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
94da6b033SAjit Kumar Pandey // V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
104da6b033SAjit Kumar Pandey
114da6b033SAjit Kumar Pandey /* ACP-specific Common code */
124da6b033SAjit Kumar Pandey
134da6b033SAjit Kumar Pandey #include "../sof-priv.h"
144da6b033SAjit Kumar Pandey #include "../sof-audio.h"
154da6b033SAjit Kumar Pandey #include "../ops.h"
164da6b033SAjit Kumar Pandey #include "../sof-audio.h"
174da6b033SAjit Kumar Pandey #include "acp.h"
184da6b033SAjit Kumar Pandey #include "acp-dsp-offset.h"
1941cfad23SV sujith kumar Reddy #include <sound/sof/xtensa.h>
204da6b033SAjit Kumar Pandey
2141cfad23SV sujith kumar Reddy /**
2241cfad23SV sujith kumar Reddy * amd_sof_ipc_dump() - This function is called when IPC tx times out.
2341cfad23SV sujith kumar Reddy * @sdev: SOF device.
2441cfad23SV sujith kumar Reddy */
amd_sof_ipc_dump(struct snd_sof_dev * sdev)2541cfad23SV sujith kumar Reddy void amd_sof_ipc_dump(struct snd_sof_dev *sdev)
2641cfad23SV sujith kumar Reddy {
2741cfad23SV sujith kumar Reddy const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
2841cfad23SV sujith kumar Reddy u32 base = desc->dsp_intr_base;
2941cfad23SV sujith kumar Reddy u32 dsp_msg_write = sdev->debug_box.offset +
3041cfad23SV sujith kumar Reddy offsetof(struct scratch_ipc_conf, sof_dsp_msg_write);
3141cfad23SV sujith kumar Reddy u32 dsp_ack_write = sdev->debug_box.offset +
3241cfad23SV sujith kumar Reddy offsetof(struct scratch_ipc_conf, sof_dsp_ack_write);
3341cfad23SV sujith kumar Reddy u32 host_msg_write = sdev->debug_box.offset +
3441cfad23SV sujith kumar Reddy offsetof(struct scratch_ipc_conf, sof_host_msg_write);
3541cfad23SV sujith kumar Reddy u32 host_ack_write = sdev->debug_box.offset +
3641cfad23SV sujith kumar Reddy offsetof(struct scratch_ipc_conf, sof_host_ack_write);
3741cfad23SV sujith kumar Reddy u32 dsp_msg, dsp_ack, host_msg, host_ack, irq_stat;
3841cfad23SV sujith kumar Reddy
3941cfad23SV sujith kumar Reddy dsp_msg = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_msg_write);
4041cfad23SV sujith kumar Reddy dsp_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_ack_write);
4141cfad23SV sujith kumar Reddy host_msg = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_msg_write);
4241cfad23SV sujith kumar Reddy host_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_ack_write);
4341cfad23SV sujith kumar Reddy irq_stat = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET);
4441cfad23SV sujith kumar Reddy
4541cfad23SV sujith kumar Reddy dev_err(sdev->dev,
4641cfad23SV sujith kumar Reddy "dsp_msg = %#x dsp_ack = %#x host_msg = %#x host_ack = %#x irq_stat = %#x\n",
4741cfad23SV sujith kumar Reddy dsp_msg, dsp_ack, host_msg, host_ack, irq_stat);
4841cfad23SV sujith kumar Reddy }
4941cfad23SV sujith kumar Reddy
5041cfad23SV sujith kumar Reddy /**
5141cfad23SV sujith kumar Reddy * amd_get_registers() - This function is called in case of DSP oops
5241cfad23SV sujith kumar Reddy * in order to gather information about the registers, filename and
5341cfad23SV sujith kumar Reddy * linenumber and stack.
5441cfad23SV sujith kumar Reddy * @sdev: SOF device.
5541cfad23SV sujith kumar Reddy * @xoops: Stores information about registers.
5641cfad23SV sujith kumar Reddy * @panic_info: Stores information about filename and line number.
5741cfad23SV sujith kumar Reddy * @stack: Stores the stack dump.
5841cfad23SV sujith kumar Reddy * @stack_words: Size of the stack dump.
5941cfad23SV sujith kumar Reddy */
amd_get_registers(struct snd_sof_dev * sdev,struct sof_ipc_dsp_oops_xtensa * xoops,struct sof_ipc_panic_info * panic_info,u32 * stack,size_t stack_words)6041cfad23SV sujith kumar Reddy static void amd_get_registers(struct snd_sof_dev *sdev,
6141cfad23SV sujith kumar Reddy struct sof_ipc_dsp_oops_xtensa *xoops,
6241cfad23SV sujith kumar Reddy struct sof_ipc_panic_info *panic_info,
6341cfad23SV sujith kumar Reddy u32 *stack, size_t stack_words)
6441cfad23SV sujith kumar Reddy {
6541cfad23SV sujith kumar Reddy u32 offset = sdev->dsp_oops_offset;
6641cfad23SV sujith kumar Reddy
6741cfad23SV sujith kumar Reddy /* first read registers */
6841cfad23SV sujith kumar Reddy acp_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
6941cfad23SV sujith kumar Reddy
7041cfad23SV sujith kumar Reddy /* then get panic info */
7141cfad23SV sujith kumar Reddy if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
7241cfad23SV sujith kumar Reddy dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
7341cfad23SV sujith kumar Reddy xoops->arch_hdr.totalsize);
7441cfad23SV sujith kumar Reddy return;
7541cfad23SV sujith kumar Reddy }
7641cfad23SV sujith kumar Reddy
7741cfad23SV sujith kumar Reddy offset += xoops->arch_hdr.totalsize;
7841cfad23SV sujith kumar Reddy acp_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
7941cfad23SV sujith kumar Reddy
8041cfad23SV sujith kumar Reddy /* then get the stack */
8141cfad23SV sujith kumar Reddy offset += sizeof(*panic_info);
8241cfad23SV sujith kumar Reddy acp_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
8341cfad23SV sujith kumar Reddy }
8441cfad23SV sujith kumar Reddy
8541cfad23SV sujith kumar Reddy /**
8641cfad23SV sujith kumar Reddy * amd_sof_dump() - This function is called when a panic message is
8741cfad23SV sujith kumar Reddy * received from the firmware.
8841cfad23SV sujith kumar Reddy * @sdev: SOF device.
8941cfad23SV sujith kumar Reddy * @flags: parameter not used but required by ops prototype
9041cfad23SV sujith kumar Reddy */
amd_sof_dump(struct snd_sof_dev * sdev,u32 flags)9141cfad23SV sujith kumar Reddy void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags)
9241cfad23SV sujith kumar Reddy {
9341cfad23SV sujith kumar Reddy struct sof_ipc_dsp_oops_xtensa xoops;
9441cfad23SV sujith kumar Reddy struct sof_ipc_panic_info panic_info;
9541cfad23SV sujith kumar Reddy u32 stack[AMD_STACK_DUMP_SIZE];
9641cfad23SV sujith kumar Reddy u32 status;
9741cfad23SV sujith kumar Reddy
9841cfad23SV sujith kumar Reddy /* Get information about the panic status from the debug box area.
9941cfad23SV sujith kumar Reddy * Compute the trace point based on the status.
10041cfad23SV sujith kumar Reddy */
10141cfad23SV sujith kumar Reddy if (sdev->dsp_oops_offset > sdev->debug_box.offset) {
10241cfad23SV sujith kumar Reddy acp_mailbox_read(sdev, sdev->debug_box.offset, &status, sizeof(u32));
10341cfad23SV sujith kumar Reddy } else {
10441cfad23SV sujith kumar Reddy /* Read DSP Panic status from dsp_box.
10541cfad23SV sujith kumar Reddy * As window information for exception box offset and size is not available
10641cfad23SV sujith kumar Reddy * before FW_READY
10741cfad23SV sujith kumar Reddy */
10841cfad23SV sujith kumar Reddy acp_mailbox_read(sdev, sdev->dsp_box.offset, &status, sizeof(u32));
10941cfad23SV sujith kumar Reddy sdev->dsp_oops_offset = sdev->dsp_box.offset + sizeof(status);
11041cfad23SV sujith kumar Reddy }
11141cfad23SV sujith kumar Reddy
11241cfad23SV sujith kumar Reddy /* Get information about the registers, the filename and line
11341cfad23SV sujith kumar Reddy * number and the stack.
11441cfad23SV sujith kumar Reddy */
11541cfad23SV sujith kumar Reddy amd_get_registers(sdev, &xoops, &panic_info, stack, AMD_STACK_DUMP_SIZE);
11641cfad23SV sujith kumar Reddy
11741cfad23SV sujith kumar Reddy /* Print the information to the console */
11841cfad23SV sujith kumar Reddy sof_print_oops_and_stack(sdev, KERN_ERR, status, status, &xoops,
11941cfad23SV sujith kumar Reddy &panic_info, stack, AMD_STACK_DUMP_SIZE);
12041cfad23SV sujith kumar Reddy }
12141cfad23SV sujith kumar Reddy
amd_sof_machine_select(struct snd_sof_dev * sdev)1224da6b033SAjit Kumar Pandey struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev)
1234da6b033SAjit Kumar Pandey {
1244da6b033SAjit Kumar Pandey struct snd_sof_pdata *sof_pdata = sdev->pdata;
1254da6b033SAjit Kumar Pandey const struct sof_dev_desc *desc = sof_pdata->desc;
1264da6b033SAjit Kumar Pandey struct snd_soc_acpi_mach *mach;
1274da6b033SAjit Kumar Pandey
1284da6b033SAjit Kumar Pandey mach = snd_soc_acpi_find_machine(desc->machines);
1294da6b033SAjit Kumar Pandey if (!mach) {
1304da6b033SAjit Kumar Pandey dev_warn(sdev->dev, "No matching ASoC machine driver found\n");
1314da6b033SAjit Kumar Pandey return NULL;
1324da6b033SAjit Kumar Pandey }
1334da6b033SAjit Kumar Pandey
1344da6b033SAjit Kumar Pandey sof_pdata->tplg_filename = mach->sof_tplg_filename;
1354da6b033SAjit Kumar Pandey sof_pdata->fw_filename = mach->fw_filename;
1364da6b033SAjit Kumar Pandey
1374da6b033SAjit Kumar Pandey return mach;
1384da6b033SAjit Kumar Pandey }
1394da6b033SAjit Kumar Pandey
1404da6b033SAjit Kumar Pandey /* AMD Common DSP ops */
1414da6b033SAjit Kumar Pandey struct snd_sof_dsp_ops sof_acp_common_ops = {
1424da6b033SAjit Kumar Pandey /* probe and remove */
1434da6b033SAjit Kumar Pandey .probe = amd_sof_acp_probe,
1444da6b033SAjit Kumar Pandey .remove = amd_sof_acp_remove,
1454da6b033SAjit Kumar Pandey
1464da6b033SAjit Kumar Pandey /* Register IO */
1474da6b033SAjit Kumar Pandey .write = sof_io_write,
1484da6b033SAjit Kumar Pandey .read = sof_io_read,
1494da6b033SAjit Kumar Pandey
1504da6b033SAjit Kumar Pandey /* Block IO */
1514da6b033SAjit Kumar Pandey .block_read = acp_dsp_block_read,
1524da6b033SAjit Kumar Pandey .block_write = acp_dsp_block_write,
1534da6b033SAjit Kumar Pandey
1544da6b033SAjit Kumar Pandey /*Firmware loading */
1554da6b033SAjit Kumar Pandey .load_firmware = snd_sof_load_firmware_memcpy,
1564da6b033SAjit Kumar Pandey .pre_fw_run = acp_dsp_pre_fw_run,
1574da6b033SAjit Kumar Pandey .get_bar_index = acp_get_bar_index,
1584da6b033SAjit Kumar Pandey
1594da6b033SAjit Kumar Pandey /* DSP core boot */
1604da6b033SAjit Kumar Pandey .run = acp_sof_dsp_run,
1614da6b033SAjit Kumar Pandey
1624da6b033SAjit Kumar Pandey /*IPC */
1634da6b033SAjit Kumar Pandey .send_msg = acp_sof_ipc_send_msg,
1644da6b033SAjit Kumar Pandey .ipc_msg_data = acp_sof_ipc_msg_data,
165aae7e412SV sujith kumar Reddy .set_stream_data_offset = acp_set_stream_data_offset,
1664da6b033SAjit Kumar Pandey .get_mailbox_offset = acp_sof_ipc_get_mailbox_offset,
16740d3c041SV sujith kumar Reddy .get_window_offset = acp_sof_ipc_get_window_offset,
1684da6b033SAjit Kumar Pandey .irq_thread = acp_sof_ipc_irq_thread,
1694da6b033SAjit Kumar Pandey
1704da6b033SAjit Kumar Pandey /* stream callbacks */
1714da6b033SAjit Kumar Pandey .pcm_open = acp_pcm_open,
1724da6b033SAjit Kumar Pandey .pcm_close = acp_pcm_close,
1734da6b033SAjit Kumar Pandey .pcm_hw_params = acp_pcm_hw_params,
174df6380dcSV sujith kumar Reddy .pcm_pointer = acp_pcm_pointer,
1754da6b033SAjit Kumar Pandey
1764da6b033SAjit Kumar Pandey .hw_info = SNDRV_PCM_INFO_MMAP |
1774da6b033SAjit Kumar Pandey SNDRV_PCM_INFO_MMAP_VALID |
1784da6b033SAjit Kumar Pandey SNDRV_PCM_INFO_INTERLEAVED |
1794da6b033SAjit Kumar Pandey SNDRV_PCM_INFO_PAUSE |
1804da6b033SAjit Kumar Pandey SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
1814da6b033SAjit Kumar Pandey
1824da6b033SAjit Kumar Pandey /* Machine driver callbacks */
1834da6b033SAjit Kumar Pandey .machine_select = amd_sof_machine_select,
1844da6b033SAjit Kumar Pandey .machine_register = sof_machine_register,
1854da6b033SAjit Kumar Pandey .machine_unregister = sof_machine_unregister,
1864da6b033SAjit Kumar Pandey
1874da6b033SAjit Kumar Pandey /* Trace Logger */
1884da6b033SAjit Kumar Pandey .trace_init = acp_sof_trace_init,
1894da6b033SAjit Kumar Pandey .trace_release = acp_sof_trace_release,
1904da6b033SAjit Kumar Pandey
1914da6b033SAjit Kumar Pandey /* PM */
1924da6b033SAjit Kumar Pandey .suspend = amd_sof_acp_suspend,
1934da6b033SAjit Kumar Pandey .resume = amd_sof_acp_resume,
19441cfad23SV sujith kumar Reddy
19541cfad23SV sujith kumar Reddy .ipc_dump = amd_sof_ipc_dump,
19641cfad23SV sujith kumar Reddy .dbg_dump = amd_sof_dump,
19741cfad23SV sujith kumar Reddy .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
19841cfad23SV sujith kumar Reddy .dsp_arch_ops = &sof_xtensa_arch_ops,
199*1a74b21cSV sujith kumar Reddy
200*1a74b21cSV sujith kumar Reddy /* probe client device registation */
201*1a74b21cSV sujith kumar Reddy .register_ipc_clients = acp_probes_register,
202*1a74b21cSV sujith kumar Reddy .unregister_ipc_clients = acp_probes_unregister,
2034da6b033SAjit Kumar Pandey };
2044da6b033SAjit Kumar Pandey EXPORT_SYMBOL_NS(sof_acp_common_ops, SND_SOC_SOF_AMD_COMMON);
2054da6b033SAjit Kumar Pandey
2064da6b033SAjit Kumar Pandey MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
20741cfad23SV sujith kumar Reddy MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
2084da6b033SAjit Kumar Pandey MODULE_DESCRIPTION("ACP SOF COMMON Driver");
2094da6b033SAjit Kumar Pandey MODULE_LICENSE("Dual BSD/GPL");
210