diff options
Diffstat (limited to 'sound/soc/intel/avs/icl.c')
| -rw-r--r-- | sound/soc/intel/avs/icl.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/icl.c b/sound/soc/intel/avs/icl.c new file mode 100644 index 0000000000..284d38f3b1 --- /dev/null +++ b/sound/soc/intel/avs/icl.c @@ -0,0 +1,196 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021-2024 Intel Corporation. All rights reserved. +// +// Authors: Cezary Rojewski <cezary.rojewski@intel.com> +// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> +// + +#include <linux/slab.h> +#include <sound/hdaudio.h> +#include <sound/hdaudio_ext.h> +#include "avs.h" +#include "messages.h" + +#define ICL_VS_LTRP_GB_ICCMAX 95 + +#ifdef CONFIG_DEBUG_FS +int avs_icl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 aging_period, + u32 fifo_full_period, unsigned long resource_mask, u32 *priorities) +{ + struct avs_icl_log_state_info *info; + u32 size, num_libs = adev->fw_cfg.max_libs_count; + int i, ret; + + if (fls_long(resource_mask) > num_libs) + return -EINVAL; + size = struct_size(info, logs_priorities_mask, num_libs); + info = kzalloc(size, GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->aging_timer_period = aging_period; + info->fifo_full_timer_period = fifo_full_period; + info->enable = enable; + if (enable) + for_each_set_bit(i, &resource_mask, num_libs) + info->logs_priorities_mask[i] = *priorities++; + + ret = avs_ipc_set_enable_logs(adev, (u8 *)info, size); + kfree(info); + if (ret) + return AVS_IPC_RET(ret); + + return 0; +} +#endif + +union avs_icl_memwnd2_slot_type { + u32 val; + struct { + u32 resource_id:8; + u32 type:24; + }; +} __packed; + +struct avs_icl_memwnd2_desc { + u32 resource_id; + union avs_icl_memwnd2_slot_type slot_id; + u32 vma; +} __packed; + +#define AVS_ICL_MEMWND2_SLOTS_COUNT 15 + +struct avs_icl_memwnd2 { + union { + struct avs_icl_memwnd2_desc slot_desc[AVS_ICL_MEMWND2_SLOTS_COUNT]; + u8 rsvd[SZ_4K]; + }; + u8 slot_array[AVS_ICL_MEMWND2_SLOTS_COUNT][SZ_4K]; +} __packed; + +#define AVS_ICL_SLOT_UNUSED \ + ((union avs_icl_memwnd2_slot_type) { 0x00000000U }) +#define AVS_ICL_SLOT_CRITICAL_LOG \ + ((union avs_icl_memwnd2_slot_type) { 0x54524300U }) +#define AVS_ICL_SLOT_DEBUG_LOG \ + ((union avs_icl_memwnd2_slot_type) { 0x474f4c00U }) +#define AVS_ICL_SLOT_GDB_STUB \ + ((union avs_icl_memwnd2_slot_type) { 0x42444700U }) +#define AVS_ICL_SLOT_BROKEN \ + ((union avs_icl_memwnd2_slot_type) { 0x44414544U }) + +static int avs_icl_slot_offset(struct avs_dev *adev, union avs_icl_memwnd2_slot_type slot_type) +{ + struct avs_icl_memwnd2_desc desc[AVS_ICL_MEMWND2_SLOTS_COUNT]; + int i; + + memcpy_fromio(&desc, avs_sram_addr(adev, AVS_DEBUG_WINDOW), sizeof(desc)); + + for (i = 0; i < AVS_ICL_MEMWND2_SLOTS_COUNT; i++) + if (desc[i].slot_id.val == slot_type.val) + return offsetof(struct avs_icl_memwnd2, slot_array) + i * SZ_4K; + return -ENXIO; +} + +int avs_icl_log_buffer_offset(struct avs_dev *adev, u32 core) +{ + union avs_icl_memwnd2_slot_type slot_type = AVS_ICL_SLOT_DEBUG_LOG; + int ret; + + slot_type.resource_id = core; + ret = avs_icl_slot_offset(adev, slot_type); + if (ret < 0) + dev_dbg(adev->dev, "No slot offset found for: %x\n", + slot_type.val); + + return ret; +} + +bool avs_icl_d0ix_toggle(struct avs_dev *adev, struct avs_ipc_msg *tx, bool wake) +{ + /* Payload-less IPCs do not take part in d0ix toggling. */ + return tx->size; +} + +int avs_icl_set_d0ix(struct avs_dev *adev, bool enable) +{ + int ret; + + ret = avs_ipc_set_d0ix(adev, enable, false); + return AVS_IPC_RET(ret); +} + +int avs_icl_load_basefw(struct avs_dev *adev, struct firmware *fw) +{ + struct hdac_bus *bus = &adev->base.core; + struct hdac_ext_stream *host_stream; + struct snd_pcm_substream substream; + struct snd_dma_buffer dmab; + unsigned int sd_fmt; + u8 ltrp_gb; + int ret; + + /* + * ICCMAX: + * + * For ICL+ platforms, as per HW recommendation LTRP_GB is set to 95us + * during FW load. Its original value shall be restored once load completes. + * + * To avoid DMI/OPIO L1 entry during the load procedure, additional CAPTURE + * stream is allocated and set to run. + */ + + memset(&substream, 0, sizeof(substream)); + substream.stream = SNDRV_PCM_STREAM_CAPTURE; + + host_stream = snd_hdac_ext_stream_assign(bus, &substream, HDAC_EXT_STREAM_TYPE_HOST); + if (!host_stream) + return -EBUSY; + + ltrp_gb = snd_hdac_chip_readb(bus, VS_LTRP) & AZX_REG_VS_LTRP_GB_MASK; + /* Carries no real data, use default format. */ + sd_fmt = snd_hdac_stream_format(1, 32, 48000); + + ret = snd_hdac_dsp_prepare(hdac_stream(host_stream), sd_fmt, fw->size, &dmab); + if (ret < 0) + goto release_stream; + + snd_hdac_chip_updateb(bus, VS_LTRP, AZX_REG_VS_LTRP_GB_MASK, ICL_VS_LTRP_GB_ICCMAX); + + spin_lock(&bus->reg_lock); + snd_hdac_stream_start(hdac_stream(host_stream)); + spin_unlock(&bus->reg_lock); + + ret = avs_hda_load_basefw(adev, fw); + + spin_lock(&bus->reg_lock); + snd_hdac_stream_stop(hdac_stream(host_stream)); + spin_unlock(&bus->reg_lock); + + snd_hdac_dsp_cleanup(hdac_stream(host_stream), &dmab); + +release_stream: + snd_hdac_ext_stream_release(host_stream, HDAC_EXT_STREAM_TYPE_HOST); + snd_hdac_chip_updateb(bus, VS_LTRP, AZX_REG_VS_LTRP_GB_MASK, ltrp_gb); + + return ret; +} + +const struct avs_dsp_ops avs_icl_dsp_ops = { + .power = avs_dsp_core_power, + .reset = avs_dsp_core_reset, + .stall = avs_dsp_core_stall, + .irq_handler = avs_irq_handler, + .irq_thread = avs_cnl_irq_thread, + .int_control = avs_dsp_interrupt_control, + .load_basefw = avs_icl_load_basefw, + .load_lib = avs_hda_load_library, + .transfer_mods = avs_hda_transfer_modules, + .log_buffer_offset = avs_icl_log_buffer_offset, + .log_buffer_status = avs_apl_log_buffer_status, + .coredump = avs_apl_coredump, + .d0ix_toggle = avs_icl_d0ix_toggle, + .set_d0ix = avs_icl_set_d0ix, + AVS_SET_ENABLE_LOGS_OP(icl) +}; |