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Diffstat (limited to '')
| -rw-r--r-- | sound/soc/intel/skylake/skl-sst-dsp.h | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-sst-dsp.h b/sound/soc/intel/skylake/skl-sst-dsp.h new file mode 100644 index 000000000..1df9ef422 --- /dev/null +++ b/sound/soc/intel/skylake/skl-sst-dsp.h @@ -0,0 +1,256 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Skylake SST DSP Support + * + * Copyright (C) 2014-15, Intel Corporation. + */ + +#ifndef __SKL_SST_DSP_H__ +#define __SKL_SST_DSP_H__ + +#include <linux/interrupt.h> +#include <linux/uuid.h> +#include <linux/firmware.h> +#include <sound/memalloc.h> +#include "skl-sst-cldma.h" + +struct sst_dsp; +struct sst_dsp_device; +struct skl_lib_info; +struct skl_dev; + +/* 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 BXT_FW_ROM_INIT_RETRY 3 +#define BXT_INIT_TIMEOUT 300 + +#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 { + guid_t 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_dev **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_dev **dsp); +int skl_sst_init_fw(struct device *dev, struct skl_dev *skl); +int bxt_sst_init_fw(struct device *dev, struct skl_dev *skl); +void skl_sst_dsp_cleanup(struct device *dev, struct skl_dev *skl); +void bxt_sst_dsp_cleanup(struct device *dev, struct skl_dev *skl); + +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_dev *skl, guid_t *uuid_mod, int instance_id); +int skl_put_pvt_id(struct skl_dev *skl, guid_t *uuid_mod, int *pvt_id); +int skl_get_pvt_instance_id_map(struct skl_dev *skl, + int module_id, int instance_id); +void skl_freeup_uuid_list(struct skl_dev *skl); + +int skl_dsp_strip_extended_manifest(struct firmware *fw); + +void skl_dsp_set_astate_cfg(struct skl_dev *skl, 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_dev **dsp, + struct sst_dsp_device *skl_dev); +int skl_prepare_lib_load(struct skl_dev *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__*/ |