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