/* * Skylake SST DSP Support * * Copyright (C) 2014-15, Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as version 2, as * published by the Free Software Foundation. * * 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. */ #ifndef __SKL_SST_DSP_H__ #define __SKL_SST_DSP_H__ #include #include #include #include #include "skl-sst-cldma.h" struct sst_dsp; struct skl_sst; struct sst_dsp_device; struct skl_lib_info; /* Intel HD Audio General DSP Registers */ #define SKL_ADSP_GEN_BASE 0x0 #define SKL_ADSP_REG_ADSPCS (SKL_ADSP_GEN_BASE + 0x04) #define SKL_ADSP_REG_ADSPIC (SKL_ADSP_GEN_BASE + 0x08) #define SKL_ADSP_REG_ADSPIS (SKL_ADSP_GEN_BASE + 0x0C) #define SKL_ADSP_REG_ADSPIC2 (SKL_ADSP_GEN_BASE + 0x10) #define SKL_ADSP_REG_ADSPIS2 (SKL_ADSP_GEN_BASE + 0x14) /* Intel HD Audio Inter-Processor Communication Registers */ #define SKL_ADSP_IPC_BASE 0x40 #define SKL_ADSP_REG_HIPCT (SKL_ADSP_IPC_BASE + 0x00) #define SKL_ADSP_REG_HIPCTE (SKL_ADSP_IPC_BASE + 0x04) #define SKL_ADSP_REG_HIPCI (SKL_ADSP_IPC_BASE + 0x08) #define SKL_ADSP_REG_HIPCIE (SKL_ADSP_IPC_BASE + 0x0C) #define SKL_ADSP_REG_HIPCCTL (SKL_ADSP_IPC_BASE + 0x10) /* HIPCI */ #define SKL_ADSP_REG_HIPCI_BUSY BIT(31) /* HIPCIE */ #define SKL_ADSP_REG_HIPCIE_DONE BIT(30) /* HIPCCTL */ #define SKL_ADSP_REG_HIPCCTL_DONE BIT(1) #define SKL_ADSP_REG_HIPCCTL_BUSY BIT(0) /* HIPCT */ #define SKL_ADSP_REG_HIPCT_BUSY BIT(31) /* FW base IDs */ #define SKL_INSTANCE_ID 0 #define SKL_BASE_FW_MODULE_ID 0 /* Intel HD Audio SRAM Window 1 */ #define SKL_ADSP_SRAM1_BASE 0xA000 #define SKL_ADSP_MMIO_LEN 0x10000 #define SKL_ADSP_W0_STAT_SZ 0x1000 #define SKL_ADSP_W0_UP_SZ 0x1000 #define SKL_ADSP_W1_SZ 0x1000 #define SKL_FW_STS_MASK 0xf #define SKL_FW_INIT 0x1 #define SKL_FW_RFW_START 0xf #define SKL_ADSPIC_IPC 1 #define SKL_ADSPIS_IPC 1 /* Core ID of core0 */ #define SKL_DSP_CORE0_ID 0 /* Mask for a given core index, c = 0.. number of supported cores - 1 */ #define SKL_DSP_CORE_MASK(c) BIT(c) /* * Core 0 mask = SKL_DSP_CORE_MASK(0); Defined separately * since Core0 is primary core and it is used often */ #define SKL_DSP_CORE0_MASK BIT(0) /* * Mask for a given number of cores * nc = number of supported cores */ #define SKL_DSP_CORES_MASK(nc) GENMASK((nc - 1), 0) /* ADSPCS - Audio DSP Control & Status */ /* * Core Reset - asserted high * CRST Mask for a given core mask pattern, cm */ #define SKL_ADSPCS_CRST_SHIFT 0 #define SKL_ADSPCS_CRST_MASK(cm) ((cm) << SKL_ADSPCS_CRST_SHIFT) /* * Core run/stall - when set to '1' core is stalled * CSTALL Mask for a given core mask pattern, cm */ #define SKL_ADSPCS_CSTALL_SHIFT 8 #define SKL_ADSPCS_CSTALL_MASK(cm) ((cm) << SKL_ADSPCS_CSTALL_SHIFT) /* * Set Power Active - when set to '1' turn cores on * SPA Mask for a given core mask pattern, cm */ #define SKL_ADSPCS_SPA_SHIFT 16 #define SKL_ADSPCS_SPA_MASK(cm) ((cm) << SKL_ADSPCS_SPA_SHIFT) /* * Current Power Active - power status of cores, set by hardware * CPA Mask for a given core mask pattern, cm */ #define SKL_ADSPCS_CPA_SHIFT 24 #define SKL_ADSPCS_CPA_MASK(cm) ((cm) << SKL_ADSPCS_CPA_SHIFT) /* DSP Core state */ enum skl_dsp_states { SKL_DSP_RUNNING = 1, /* Running in D0i3 state; can be in streaming or non-streaming D0i3 */ SKL_DSP_RUNNING_D0I3, /* Running in D0i3 state*/ SKL_DSP_RESET, }; /* D0i3 substates */ enum skl_dsp_d0i3_states { SKL_DSP_D0I3_NONE = -1, /* No D0i3 */ SKL_DSP_D0I3_NON_STREAMING = 0, SKL_DSP_D0I3_STREAMING = 1, }; struct skl_dsp_fw_ops { int (*load_fw)(struct sst_dsp *ctx); /* FW module parser/loader */ int (*load_library)(struct sst_dsp *ctx, struct skl_lib_info *linfo, int lib_count); int (*parse_fw)(struct sst_dsp *ctx); int (*set_state_D0)(struct sst_dsp *ctx, unsigned int core_id); int (*set_state_D3)(struct sst_dsp *ctx, unsigned int core_id); int (*set_state_D0i3)(struct sst_dsp *ctx); int (*set_state_D0i0)(struct sst_dsp *ctx); unsigned int (*get_fw_errcode)(struct sst_dsp *ctx); int (*load_mod)(struct sst_dsp *ctx, u16 mod_id, u8 *mod_name); int (*unload_mod)(struct sst_dsp *ctx, u16 mod_id); }; struct skl_dsp_loader_ops { int stream_tag; int (*alloc_dma_buf)(struct device *dev, struct snd_dma_buffer *dmab, size_t size); int (*free_dma_buf)(struct device *dev, struct snd_dma_buffer *dmab); int (*prepare)(struct device *dev, unsigned int format, unsigned int byte_size, struct snd_dma_buffer *bufp); int (*trigger)(struct device *dev, bool start, int stream_tag); int (*cleanup)(struct device *dev, struct snd_dma_buffer *dmab, int stream_tag); }; #define MAX_INSTANCE_BUFF 2 struct uuid_module { uuid_le uuid; int id; int is_loadable; int max_instance; u64 pvt_id[MAX_INSTANCE_BUFF]; int *instance_id; struct list_head list; }; struct skl_load_module_info { u16 mod_id; const struct firmware *fw; }; struct skl_module_table { struct skl_load_module_info *mod_info; unsigned int usage_cnt; struct list_head list; }; void skl_cldma_process_intr(struct sst_dsp *ctx); void skl_cldma_int_disable(struct sst_dsp *ctx); int skl_cldma_prepare(struct sst_dsp *ctx); int skl_cldma_wait_interruptible(struct sst_dsp *ctx); void skl_dsp_set_state_locked(struct sst_dsp *ctx, int state); struct sst_dsp *skl_dsp_ctx_init(struct device *dev, struct sst_dsp_device *sst_dev, int irq); int skl_dsp_acquire_irq(struct sst_dsp *sst); bool is_skl_dsp_running(struct sst_dsp *ctx); unsigned int skl_dsp_get_enabled_cores(struct sst_dsp *ctx); void skl_dsp_init_core_state(struct sst_dsp *ctx); int skl_dsp_enable_core(struct sst_dsp *ctx, unsigned int core_mask); int skl_dsp_disable_core(struct sst_dsp *ctx, unsigned int core_mask); int skl_dsp_core_power_up(struct sst_dsp *ctx, unsigned int core_mask); int skl_dsp_core_power_down(struct sst_dsp *ctx, unsigned int core_mask); int skl_dsp_core_unset_reset_state(struct sst_dsp *ctx, unsigned int core_mask); int skl_dsp_start_core(struct sst_dsp *ctx, unsigned int core_mask); irqreturn_t skl_dsp_sst_interrupt(int irq, void *dev_id); int skl_dsp_wake(struct sst_dsp *ctx); int skl_dsp_sleep(struct sst_dsp *ctx); void skl_dsp_free(struct sst_dsp *dsp); int skl_dsp_get_core(struct sst_dsp *ctx, unsigned int core_id); int skl_dsp_put_core(struct sst_dsp *ctx, unsigned int core_id); int skl_dsp_boot(struct sst_dsp *ctx); int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq, const char *fw_name, struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp); int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq, const char *fw_name, struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp); int skl_sst_init_fw(struct device *dev, struct skl_sst *ctx); int bxt_sst_init_fw(struct device *dev, struct skl_sst *ctx); void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx); void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx); int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw, unsigned int offset, int index); int skl_get_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int instance_id); int skl_put_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int *pvt_id); int skl_get_pvt_instance_id_map(struct skl_sst *ctx, int module_id, int instance_id); void skl_freeup_uuid_list(struct skl_sst *ctx); int skl_dsp_strip_extended_manifest(struct firmware *fw); void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable); void skl_dsp_set_astate_cfg(struct skl_sst *ctx, u32 cnt, void *data); int skl_sst_ctx_init(struct device *dev, int irq, const char *fw_name, struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp, struct sst_dsp_device *skl_dev); int skl_prepare_lib_load(struct skl_sst *skl, struct skl_lib_info *linfo, struct firmware *stripped_fw, unsigned int hdr_offset, int index); void skl_release_library(struct skl_lib_info *linfo, int lib_count); #endif /*__SKL_SST_DSP_H__*/