733 lines
19 KiB
C
733 lines
19 KiB
C
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// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2018 Intel Corporation. All rights reserved.
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//
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// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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// Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
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// Rander Wang <rander.wang@intel.com>
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// Keyon Jie <yang.jie@linux.intel.com>
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//
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/*
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* Hardware interface for generic Intel audio DSP HDA IP
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*/
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#include <sound/hdaudio_ext.h>
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#include <sound/hda_register.h>
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#include <linux/module.h>
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#include <sound/intel-nhlt.h>
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#include <sound/sof.h>
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#include <sound/sof/xtensa.h>
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#include "../ops.h"
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#include "hda.h"
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
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#include <sound/soc-acpi-intel-match.h>
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#endif
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/* platform specific devices */
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#include "shim.h"
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#define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348)
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#define IS_CNL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9dc8)
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#define EXCEPT_MAX_HDR_SIZE 0x400
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/*
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* Debug
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*/
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struct hda_dsp_msg_code {
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u32 code;
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const char *msg;
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};
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static bool hda_use_msi = IS_ENABLED(CONFIG_PCI);
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
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module_param_named(use_msi, hda_use_msi, bool, 0444);
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MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
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static int hda_dmic_num = -1;
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module_param_named(dmic_num, hda_dmic_num, int, 0444);
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MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
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#endif
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static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
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{HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
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{HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
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{HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
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{HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
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{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
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{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
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{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
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{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
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{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
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{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
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{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
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{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
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{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
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{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
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{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
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{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
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{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
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{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
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{HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
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};
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static void hda_dsp_get_status_skl(struct snd_sof_dev *sdev)
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{
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u32 status;
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int i;
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status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
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HDA_ADSP_FW_STATUS_SKL);
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for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
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if (status == hda_dsp_rom_msg[i].code) {
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dev_err(sdev->dev, "%s - code %8.8x\n",
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hda_dsp_rom_msg[i].msg, status);
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return;
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}
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}
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/* not for us, must be generic sof message */
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dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
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}
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static void hda_dsp_get_status(struct snd_sof_dev *sdev)
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{
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u32 status;
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int i;
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status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
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HDA_DSP_SRAM_REG_ROM_STATUS);
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for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
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if (status == hda_dsp_rom_msg[i].code) {
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dev_err(sdev->dev, "%s - code %8.8x\n",
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hda_dsp_rom_msg[i].msg, status);
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return;
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}
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}
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/* not for us, must be generic sof message */
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dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
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}
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static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
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struct sof_ipc_dsp_oops_xtensa *xoops,
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struct sof_ipc_panic_info *panic_info,
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u32 *stack, size_t stack_words)
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{
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u32 offset = sdev->dsp_oops_offset;
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/* first read registers */
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sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
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/* note: variable AR register array is not read */
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/* then get panic info */
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if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
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dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
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xoops->arch_hdr.totalsize);
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return;
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}
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offset += xoops->arch_hdr.totalsize;
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sof_block_read(sdev, sdev->mmio_bar, offset,
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panic_info, sizeof(*panic_info));
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/* then get the stack */
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offset += sizeof(*panic_info);
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sof_block_read(sdev, sdev->mmio_bar, offset, stack,
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stack_words * sizeof(u32));
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}
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void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags)
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{
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struct sof_ipc_dsp_oops_xtensa xoops;
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struct sof_ipc_panic_info panic_info;
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u32 stack[HDA_DSP_STACK_DUMP_SIZE];
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u32 status, panic;
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/* try APL specific status message types first */
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hda_dsp_get_status_skl(sdev);
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/* now try generic SOF status messages */
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status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
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HDA_ADSP_ERROR_CODE_SKL);
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/*TODO: Check: there is no define in spec, but it is used in the code*/
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panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
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HDA_ADSP_ERROR_CODE_SKL + 0x4);
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if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
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hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
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HDA_DSP_STACK_DUMP_SIZE);
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snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
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stack, HDA_DSP_STACK_DUMP_SIZE);
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} else {
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dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
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status, panic);
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hda_dsp_get_status_skl(sdev);
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}
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}
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void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
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{
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struct sof_ipc_dsp_oops_xtensa xoops;
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struct sof_ipc_panic_info panic_info;
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u32 stack[HDA_DSP_STACK_DUMP_SIZE];
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u32 status, panic;
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/* try APL specific status message types first */
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hda_dsp_get_status(sdev);
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/* now try generic SOF status messages */
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status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
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HDA_DSP_SRAM_REG_FW_STATUS);
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panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
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if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
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hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
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HDA_DSP_STACK_DUMP_SIZE);
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snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
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stack, HDA_DSP_STACK_DUMP_SIZE);
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} else {
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dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
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status, panic);
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hda_dsp_get_status(sdev);
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}
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}
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void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
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{
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struct hdac_bus *bus = sof_to_bus(sdev);
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u32 adspis;
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u32 intsts;
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u32 intctl;
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u32 ppsts;
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u8 rirbsts;
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/* read key IRQ stats and config registers */
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adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
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intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
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intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
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ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
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rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
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dev_err(sdev->dev,
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"error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
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intsts, intctl, rirbsts);
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dev_err(sdev->dev,
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"error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
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ppsts, adspis);
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}
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void hda_ipc_dump(struct snd_sof_dev *sdev)
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{
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u32 hipcie;
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u32 hipct;
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u32 hipcctl;
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hda_ipc_irq_dump(sdev);
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/* read IPC status */
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hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
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hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
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hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
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/* dump the IPC regs */
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/* TODO: parse the raw msg */
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dev_err(sdev->dev,
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"error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
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hipcie, hipct, hipcctl);
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}
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static int hda_init(struct snd_sof_dev *sdev)
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{
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struct hda_bus *hbus;
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struct hdac_bus *bus;
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struct pci_dev *pci = to_pci_dev(sdev->dev);
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int ret;
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hbus = sof_to_hbus(sdev);
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bus = sof_to_bus(sdev);
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/* HDA bus init */
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sof_hda_bus_init(bus, &pci->dev);
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/* Workaround for a communication error on CFL (bko#199007) and CNL */
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if (IS_CFL(pci) || IS_CNL(pci))
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bus->polling_mode = 1;
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bus->use_posbuf = 1;
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bus->bdl_pos_adj = 0;
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bus->sync_write = 1;
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mutex_init(&hbus->prepare_mutex);
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hbus->pci = pci;
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hbus->mixer_assigned = -1;
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hbus->modelname = "sofbus";
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/* initialise hdac bus */
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bus->addr = pci_resource_start(pci, 0);
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#if IS_ENABLED(CONFIG_PCI)
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bus->remap_addr = pci_ioremap_bar(pci, 0);
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#endif
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if (!bus->remap_addr) {
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dev_err(bus->dev, "error: ioremap error\n");
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return -ENXIO;
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}
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/* HDA base */
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sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
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/* get controller capabilities */
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ret = hda_dsp_ctrl_get_caps(sdev);
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if (ret < 0)
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dev_err(sdev->dev, "error: get caps error\n");
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return ret;
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}
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
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static int check_nhlt_dmic(struct snd_sof_dev *sdev)
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{
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struct nhlt_acpi_table *nhlt;
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int dmic_num;
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nhlt = intel_nhlt_init(sdev->dev);
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if (nhlt) {
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dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
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intel_nhlt_free(nhlt);
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if (dmic_num == 2 || dmic_num == 4)
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return dmic_num;
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}
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return 0;
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}
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static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
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const char *sof_tplg_filename,
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const char *idisp_str,
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const char *dmic_str)
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{
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const char *tplg_filename = NULL;
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char *filename;
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char *split_ext;
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filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
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if (!filename)
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return NULL;
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/* this assumes a .tplg extension */
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split_ext = strsep(&filename, ".");
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if (split_ext) {
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tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
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"%s%s%s.tplg",
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split_ext, idisp_str, dmic_str);
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if (!tplg_filename)
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return NULL;
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}
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return tplg_filename;
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}
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#endif
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static int hda_init_caps(struct snd_sof_dev *sdev)
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{
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struct hdac_bus *bus = sof_to_bus(sdev);
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
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struct hdac_ext_link *hlink;
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struct snd_soc_acpi_mach_params *mach_params;
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struct snd_soc_acpi_mach *hda_mach;
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struct snd_sof_pdata *pdata = sdev->pdata;
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struct snd_soc_acpi_mach *mach;
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const char *tplg_filename;
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const char *idisp_str;
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const char *dmic_str;
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int dmic_num;
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int codec_num = 0;
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int i;
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#endif
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int ret = 0;
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device_disable_async_suspend(bus->dev);
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/* check if dsp is there */
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if (bus->ppcap)
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dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
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/* init i915 and HDMI codecs */
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ret = hda_codec_i915_init(sdev);
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if (ret < 0) {
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dev_err(sdev->dev, "error: init i915 and HDMI codec failed\n");
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return ret;
|
||
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}
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#endif
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|
||
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/* Init HDA controller after i915 init */
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||
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ret = hda_dsp_ctrl_init_chip(sdev, true);
|
||
|
if (ret < 0) {
|
||
|
dev_err(bus->dev, "error: init chip failed with ret: %d\n",
|
||
|
ret);
|
||
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
|
||
|
hda_codec_i915_exit(sdev);
|
||
|
#endif
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
|
||
|
if (bus->mlcap)
|
||
|
snd_hdac_ext_bus_get_ml_capabilities(bus);
|
||
|
|
||
|
/* codec detection */
|
||
|
if (!bus->codec_mask) {
|
||
|
dev_info(bus->dev, "no hda codecs found!\n");
|
||
|
} else {
|
||
|
dev_info(bus->dev, "hda codecs found, mask %lx\n",
|
||
|
bus->codec_mask);
|
||
|
|
||
|
for (i = 0; i < HDA_MAX_CODECS; i++) {
|
||
|
if (bus->codec_mask & (1 << i))
|
||
|
codec_num++;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* If no machine driver is found, then:
|
||
|
*
|
||
|
* hda machine driver is used if :
|
||
|
* 1. there is one HDMI codec and one external HDAudio codec
|
||
|
* 2. only HDMI codec
|
||
|
*/
|
||
|
if (!pdata->machine && codec_num <= 2 &&
|
||
|
HDA_IDISP_CODEC(bus->codec_mask)) {
|
||
|
hda_mach = snd_soc_acpi_intel_hda_machines;
|
||
|
pdata->machine = hda_mach;
|
||
|
|
||
|
/* topology: use the info from hda_machines */
|
||
|
pdata->tplg_filename =
|
||
|
hda_mach->sof_tplg_filename;
|
||
|
|
||
|
/* firmware: pick the first in machine list */
|
||
|
mach = pdata->desc->machines;
|
||
|
pdata->fw_filename = mach->sof_fw_filename;
|
||
|
|
||
|
dev_info(bus->dev, "using HDA machine driver %s now\n",
|
||
|
hda_mach->drv_name);
|
||
|
|
||
|
if (codec_num == 1)
|
||
|
idisp_str = "-idisp";
|
||
|
else
|
||
|
idisp_str = "";
|
||
|
|
||
|
/* first check NHLT for DMICs */
|
||
|
dmic_num = check_nhlt_dmic(sdev);
|
||
|
|
||
|
/* allow for module parameter override */
|
||
|
if (hda_dmic_num != -1)
|
||
|
dmic_num = hda_dmic_num;
|
||
|
|
||
|
switch (dmic_num) {
|
||
|
case 2:
|
||
|
dmic_str = "-2ch";
|
||
|
break;
|
||
|
case 4:
|
||
|
dmic_str = "-4ch";
|
||
|
break;
|
||
|
default:
|
||
|
dmic_num = 0;
|
||
|
dmic_str = "";
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
tplg_filename = pdata->tplg_filename;
|
||
|
tplg_filename = fixup_tplg_name(sdev, tplg_filename,
|
||
|
idisp_str, dmic_str);
|
||
|
if (!tplg_filename) {
|
||
|
hda_codec_i915_exit(sdev);
|
||
|
return ret;
|
||
|
}
|
||
|
pdata->tplg_filename = tplg_filename;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* used by hda machine driver to create dai links */
|
||
|
if (pdata->machine) {
|
||
|
mach_params = (struct snd_soc_acpi_mach_params *)
|
||
|
&pdata->machine->mach_params;
|
||
|
mach_params->codec_mask = bus->codec_mask;
|
||
|
mach_params->platform = dev_name(sdev->dev);
|
||
|
}
|
||
|
|
||
|
/* create codec instances */
|
||
|
hda_codec_probe_bus(sdev);
|
||
|
|
||
|
hda_codec_i915_put(sdev);
|
||
|
|
||
|
/*
|
||
|
* we are done probing so decrement link counts
|
||
|
*/
|
||
|
list_for_each_entry(hlink, &bus->hlink_list, list)
|
||
|
snd_hdac_ext_bus_link_put(bus, hlink);
|
||
|
#endif
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static const struct sof_intel_dsp_desc
|
||
|
*get_chip_info(struct snd_sof_pdata *pdata)
|
||
|
{
|
||
|
const struct sof_dev_desc *desc = pdata->desc;
|
||
|
const struct sof_intel_dsp_desc *chip_info;
|
||
|
|
||
|
chip_info = desc->chip_info;
|
||
|
|
||
|
return chip_info;
|
||
|
}
|
||
|
|
||
|
int hda_dsp_probe(struct snd_sof_dev *sdev)
|
||
|
{
|
||
|
struct pci_dev *pci = to_pci_dev(sdev->dev);
|
||
|
struct sof_intel_hda_dev *hdev;
|
||
|
struct hdac_bus *bus;
|
||
|
const struct sof_intel_dsp_desc *chip;
|
||
|
int ret = 0;
|
||
|
|
||
|
/*
|
||
|
* detect DSP by checking class/subclass/prog-id information
|
||
|
* class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
|
||
|
* class=04 subclass 01 prog-if 00: DSP is present
|
||
|
* (and may be required e.g. for DMIC or SSP support)
|
||
|
* class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
|
||
|
*/
|
||
|
if (pci->class == 0x040300) {
|
||
|
dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
|
||
|
return -ENODEV;
|
||
|
} else if (pci->class != 0x040100 && pci->class != 0x040380) {
|
||
|
dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
|
||
|
return -ENODEV;
|
||
|
}
|
||
|
dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
|
||
|
|
||
|
chip = get_chip_info(sdev->pdata);
|
||
|
if (!chip) {
|
||
|
dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
|
||
|
pci->device);
|
||
|
ret = -EIO;
|
||
|
goto err;
|
||
|
}
|
||
|
|
||
|
hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
|
||
|
if (!hdev)
|
||
|
return -ENOMEM;
|
||
|
sdev->pdata->hw_pdata = hdev;
|
||
|
hdev->desc = chip;
|
||
|
|
||
|
hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
|
||
|
PLATFORM_DEVID_NONE,
|
||
|
NULL, 0);
|
||
|
if (IS_ERR(hdev->dmic_dev)) {
|
||
|
dev_err(sdev->dev, "error: failed to create DMIC device\n");
|
||
|
return PTR_ERR(hdev->dmic_dev);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* use position update IPC if either it is forced
|
||
|
* or we don't have other choice
|
||
|
*/
|
||
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
|
||
|
hdev->no_ipc_position = 0;
|
||
|
#else
|
||
|
hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
|
||
|
#endif
|
||
|
|
||
|
/* set up HDA base */
|
||
|
bus = sof_to_bus(sdev);
|
||
|
ret = hda_init(sdev);
|
||
|
if (ret < 0)
|
||
|
goto hdac_bus_unmap;
|
||
|
|
||
|
/* DSP base */
|
||
|
#if IS_ENABLED(CONFIG_PCI)
|
||
|
sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
|
||
|
#endif
|
||
|
if (!sdev->bar[HDA_DSP_BAR]) {
|
||
|
dev_err(sdev->dev, "error: ioremap error\n");
|
||
|
ret = -ENXIO;
|
||
|
goto hdac_bus_unmap;
|
||
|
}
|
||
|
|
||
|
sdev->mmio_bar = HDA_DSP_BAR;
|
||
|
sdev->mailbox_bar = HDA_DSP_BAR;
|
||
|
|
||
|
/* allow 64bit DMA address if supported by H/W */
|
||
|
if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(64))) {
|
||
|
dev_dbg(sdev->dev, "DMA mask is 64 bit\n");
|
||
|
dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(64));
|
||
|
} else {
|
||
|
dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
|
||
|
dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
|
||
|
dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
|
||
|
}
|
||
|
|
||
|
/* init streams */
|
||
|
ret = hda_dsp_stream_init(sdev);
|
||
|
if (ret < 0) {
|
||
|
dev_err(sdev->dev, "error: failed to init streams\n");
|
||
|
/*
|
||
|
* not all errors are due to memory issues, but trying
|
||
|
* to free everything does not harm
|
||
|
*/
|
||
|
goto free_streams;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* register our IRQ
|
||
|
* let's try to enable msi firstly
|
||
|
* if it fails, use legacy interrupt mode
|
||
|
* TODO: support msi multiple vectors
|
||
|
*/
|
||
|
if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
|
||
|
dev_info(sdev->dev, "use msi interrupt mode\n");
|
||
|
hdev->irq = pci_irq_vector(pci, 0);
|
||
|
/* ipc irq number is the same of hda irq */
|
||
|
sdev->ipc_irq = hdev->irq;
|
||
|
/* initialised to "false" by kzalloc() */
|
||
|
sdev->msi_enabled = true;
|
||
|
}
|
||
|
|
||
|
if (!sdev->msi_enabled) {
|
||
|
dev_info(sdev->dev, "use legacy interrupt mode\n");
|
||
|
/*
|
||
|
* in IO-APIC mode, hda->irq and ipc_irq are using the same
|
||
|
* irq number of pci->irq
|
||
|
*/
|
||
|
hdev->irq = pci->irq;
|
||
|
sdev->ipc_irq = pci->irq;
|
||
|
}
|
||
|
|
||
|
dev_dbg(sdev->dev, "using HDA IRQ %d\n", hdev->irq);
|
||
|
ret = request_threaded_irq(hdev->irq, hda_dsp_stream_interrupt,
|
||
|
hda_dsp_stream_threaded_handler,
|
||
|
IRQF_SHARED, "AudioHDA", bus);
|
||
|
if (ret < 0) {
|
||
|
dev_err(sdev->dev, "error: failed to register HDA IRQ %d\n",
|
||
|
hdev->irq);
|
||
|
goto free_irq_vector;
|
||
|
}
|
||
|
|
||
|
dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
|
||
|
ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_ipc_irq_handler,
|
||
|
sof_ops(sdev)->irq_thread, IRQF_SHARED,
|
||
|
"AudioDSP", sdev);
|
||
|
if (ret < 0) {
|
||
|
dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
|
||
|
sdev->ipc_irq);
|
||
|
goto free_hda_irq;
|
||
|
}
|
||
|
|
||
|
pci_set_master(pci);
|
||
|
synchronize_irq(pci->irq);
|
||
|
|
||
|
/*
|
||
|
* clear TCSEL to clear playback on some HD Audio
|
||
|
* codecs. PCI TCSEL is defined in the Intel manuals.
|
||
|
*/
|
||
|
snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
|
||
|
|
||
|
/* init HDA capabilities */
|
||
|
ret = hda_init_caps(sdev);
|
||
|
if (ret < 0)
|
||
|
goto free_ipc_irq;
|
||
|
|
||
|
/* enable ppcap interrupt */
|
||
|
hda_dsp_ctrl_ppcap_enable(sdev, true);
|
||
|
hda_dsp_ctrl_ppcap_int_enable(sdev, true);
|
||
|
|
||
|
/* initialize waitq for code loading */
|
||
|
init_waitqueue_head(&sdev->waitq);
|
||
|
|
||
|
/* set default mailbox offset for FW ready message */
|
||
|
sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
free_ipc_irq:
|
||
|
free_irq(sdev->ipc_irq, sdev);
|
||
|
free_hda_irq:
|
||
|
free_irq(hdev->irq, bus);
|
||
|
free_irq_vector:
|
||
|
if (sdev->msi_enabled)
|
||
|
pci_free_irq_vectors(pci);
|
||
|
free_streams:
|
||
|
hda_dsp_stream_free(sdev);
|
||
|
/* dsp_unmap: not currently used */
|
||
|
iounmap(sdev->bar[HDA_DSP_BAR]);
|
||
|
hdac_bus_unmap:
|
||
|
iounmap(bus->remap_addr);
|
||
|
err:
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
int hda_dsp_remove(struct snd_sof_dev *sdev)
|
||
|
{
|
||
|
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
|
||
|
struct hdac_bus *bus = sof_to_bus(sdev);
|
||
|
struct pci_dev *pci = to_pci_dev(sdev->dev);
|
||
|
const struct sof_intel_dsp_desc *chip = hda->desc;
|
||
|
|
||
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
|
||
|
/* codec removal, invoke bus_device_remove */
|
||
|
snd_hdac_ext_bus_device_remove(bus);
|
||
|
#endif
|
||
|
|
||
|
if (!IS_ERR_OR_NULL(hda->dmic_dev))
|
||
|
platform_device_unregister(hda->dmic_dev);
|
||
|
|
||
|
/* disable DSP IRQ */
|
||
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
|
||
|
SOF_HDA_PPCTL_PIE, 0);
|
||
|
|
||
|
/* disable CIE and GIE interrupts */
|
||
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
|
||
|
SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
|
||
|
|
||
|
/* disable cores */
|
||
|
if (chip)
|
||
|
hda_dsp_core_reset_power_down(sdev, chip->cores_mask);
|
||
|
|
||
|
/* disable DSP */
|
||
|
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
|
||
|
SOF_HDA_PPCTL_GPROCEN, 0);
|
||
|
|
||
|
free_irq(sdev->ipc_irq, sdev);
|
||
|
free_irq(hda->irq, bus);
|
||
|
if (sdev->msi_enabled)
|
||
|
pci_free_irq_vectors(pci);
|
||
|
|
||
|
hda_dsp_stream_free(sdev);
|
||
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
|
||
|
snd_hdac_link_free_all(bus);
|
||
|
#endif
|
||
|
|
||
|
iounmap(sdev->bar[HDA_DSP_BAR]);
|
||
|
iounmap(bus->remap_addr);
|
||
|
|
||
|
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
|
||
|
snd_hdac_ext_bus_exit(bus);
|
||
|
#endif
|
||
|
hda_codec_i915_exit(sdev);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
MODULE_LICENSE("Dual BSD/GPL");
|