diff options
Diffstat (limited to 'sound/soc/intel/avs/skl.c')
| -rw-r--r-- | sound/soc/intel/avs/skl.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/skl.c b/sound/soc/intel/avs/skl.c new file mode 100644 index 000000000000..8fb86f364ff3 --- /dev/null +++ b/sound/soc/intel/avs/skl.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021-2022 Intel Corporation +// +// Authors: Cezary Rojewski <cezary.rojewski@intel.com> +// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> +// + +#include <linux/devcoredump.h> +#include <linux/slab.h> +#include <sound/hdaudio_ext.h> +#include "avs.h" +#include "cldma.h" +#include "debug.h" +#include "messages.h" +#include "registers.h" + +void avs_skl_ipc_interrupt(struct avs_dev *adev) +{ + const struct avs_spec *spec = adev->spec; + u32 hipc_ack, hipc_rsp; + + snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, + AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY, 0); + + hipc_ack = snd_hdac_adsp_readl(adev, spec->hipc->ack_offset); + hipc_rsp = snd_hdac_adsp_readl(adev, spec->hipc->rsp_offset); + + /* DSP acked host's request. */ + if (hipc_ack & spec->hipc->ack_done_mask) { + complete(&adev->ipc->done_completion); + + /* Tell DSP it has our attention. */ + snd_hdac_adsp_updatel(adev, spec->hipc->ack_offset, spec->hipc->ack_done_mask, + spec->hipc->ack_done_mask); + } + + /* DSP sent new response to process */ + if (hipc_rsp & spec->hipc->rsp_busy_mask) { + union avs_reply_msg msg; + + msg.primary = snd_hdac_adsp_readl(adev, SKL_ADSP_REG_HIPCT); + msg.ext.val = snd_hdac_adsp_readl(adev, SKL_ADSP_REG_HIPCTE); + + avs_dsp_process_response(adev, msg.val); + + /* Tell DSP we accepted its message. */ + snd_hdac_adsp_updatel(adev, SKL_ADSP_REG_HIPCT, SKL_ADSP_HIPCT_BUSY, + SKL_ADSP_HIPCT_BUSY); + } + + snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, + AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY, + AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY); +} + +static irqreturn_t avs_skl_dsp_interrupt(struct avs_dev *adev) +{ + u32 adspis = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPIS); + irqreturn_t ret = IRQ_NONE; + + if (adspis == UINT_MAX) + return ret; + + if (adspis & AVS_ADSP_ADSPIS_CLDMA) { + hda_cldma_interrupt(&code_loader); + ret = IRQ_HANDLED; + } + + if (adspis & AVS_ADSP_ADSPIS_IPC) { + avs_skl_ipc_interrupt(adev); + ret = IRQ_HANDLED; + } + + return ret; +} + +static int __maybe_unused +avs_skl_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_skl_log_state_info *info; + u32 size, num_cores = adev->hw_cfg.dsp_cores; + int ret, i; + + if (fls_long(resource_mask) > num_cores) + return -EINVAL; + size = struct_size(info, logs_core, num_cores); + info = kzalloc(size, GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->core_mask = resource_mask; + if (enable) + for_each_set_bit(i, &resource_mask, num_cores) { + info->logs_core[i].enable = enable; + info->logs_core[i].min_priority = *priorities++; + } + else + for_each_set_bit(i, &resource_mask, num_cores) + info->logs_core[i].enable = enable; + + ret = avs_ipc_set_enable_logs(adev, (u8 *)info, size); + kfree(info); + if (ret) + return AVS_IPC_RET(ret); + + return 0; +} + +int avs_skl_log_buffer_offset(struct avs_dev *adev, u32 core) +{ + return core * avs_log_buffer_size(adev); +} + +/* fw DbgLogWp registers */ +#define FW_REGS_DBG_LOG_WP(core) (0x30 + 0x4 * core) + +static int avs_skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg) +{ + void __iomem *buf; + u16 size, write, offset; + + if (!avs_logging_fw(adev)) + return 0; + + size = avs_log_buffer_size(adev) / 2; + write = readl(avs_sram_addr(adev, AVS_FW_REGS_WINDOW) + FW_REGS_DBG_LOG_WP(msg->log.core)); + /* determine buffer half */ + offset = (write < size) ? size : 0; + + /* Address is guaranteed to exist in SRAM2. */ + buf = avs_log_buffer_addr(adev, msg->log.core) + offset; + avs_dump_fw_log_wakeup(adev, buf, size); + + return 0; +} + +static int avs_skl_coredump(struct avs_dev *adev, union avs_notify_msg *msg) +{ + u8 *dump; + + dump = vzalloc(AVS_FW_REGS_SIZE); + if (!dump) + return -ENOMEM; + + memcpy_fromio(dump, avs_sram_addr(adev, AVS_FW_REGS_WINDOW), AVS_FW_REGS_SIZE); + dev_coredumpv(adev->dev, dump, AVS_FW_REGS_SIZE, GFP_KERNEL); + + return 0; +} + +static bool avs_skl_d0ix_toggle(struct avs_dev *adev, struct avs_ipc_msg *tx, bool wake) +{ + /* unsupported on cAVS 1.5 hw */ + return false; +} + +static int avs_skl_set_d0ix(struct avs_dev *adev, bool enable) +{ + /* unsupported on cAVS 1.5 hw */ + return 0; +} + +const struct avs_dsp_ops avs_skl_dsp_ops = { + .power = avs_dsp_core_power, + .reset = avs_dsp_core_reset, + .stall = avs_dsp_core_stall, + .dsp_interrupt = avs_skl_dsp_interrupt, + .int_control = avs_dsp_interrupt_control, + .load_basefw = avs_cldma_load_basefw, + .load_lib = avs_cldma_load_library, + .transfer_mods = avs_cldma_transfer_modules, + .log_buffer_offset = avs_skl_log_buffer_offset, + .log_buffer_status = avs_skl_log_buffer_status, + .coredump = avs_skl_coredump, + .d0ix_toggle = avs_skl_d0ix_toggle, + .set_d0ix = avs_skl_set_d0ix, + AVS_SET_ENABLE_LOGS_OP(skl) +}; |