| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Vinod Koul | 1970 | 95.31% | 6 | 28.57% |
| Subhransu S. Prusty | 28 | 1.35% | 3 | 14.29% |
| Mark Brown | 22 | 1.06% | 1 | 4.76% |
| Pierre-Louis Bossart | 16 | 0.77% | 1 | 4.76% |
| Hans de Goede | 12 | 0.58% | 3 | 14.29% |
| Christian Engelmayer | 5 | 0.24% | 1 | 4.76% |
| Takashi Iwai | 4 | 0.19% | 1 | 4.76% |
| Sebastien Guiriec | 4 | 0.19% | 1 | 4.76% |
| Amadeusz Sławiński | 2 | 0.10% | 1 | 4.76% |
| Thomas Gleixner | 2 | 0.10% | 1 | 4.76% |
| Doug Anderson | 1 | 0.05% | 1 | 4.76% |
| Cezary Rojewski | 1 | 0.05% | 1 | 4.76% |
| Total | 2067 | 21 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * sst.h - Intel SST Driver for audio engine * * Copyright (C) 2008-14 Intel Corporation * Authors: Vinod Koul <vinod.koul@intel.com> * Harsha Priya <priya.harsha@intel.com> * Dharageswari R <dharageswari.r@intel.com> * KP Jeeja <jeeja.kp@intel.com> * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * Common private declarations for SST */ #ifndef __SST_H__ #define __SST_H__ #include <linux/firmware.h> /* driver names */ #define SST_DRV_NAME "intel_sst_driver" #define SST_SUSPEND_DELAY 2000 #define FW_CONTEXT_MEM (64*1024) #define SST_ICCM_BOUNDARY 4 #define SST_CONFIG_SSP_SIGN 0x7ffe8001 #define MRFLD_FW_VIRTUAL_BASE 0xC0000000 #define MRFLD_FW_DDR_BASE_OFFSET 0x0 #define MRFLD_FW_FEATURE_BASE_OFFSET 0x4 #define MRFLD_FW_BSS_RESET_BIT 0 /* SST Shim register map */ #define SST_CSR 0x00 #define SST_ISRX 0x18 #define SST_IMRX 0x28 #define SST_IPCX 0x38 /* IPC IA -> SST */ #define SST_IPCD 0x40 /* IPC SST -> IA */ extern const struct dev_pm_ops intel_sst_pm; enum sst_states { SST_FW_LOADING = 1, SST_FW_RUNNING, SST_RESET, SST_SHUTDOWN, }; enum sst_algo_ops { SST_SET_ALGO = 0, SST_GET_ALGO = 1, }; #define SST_BLOCK_TIMEOUT 1000 #define FW_SIGNATURE_SIZE 4 #define FW_NAME_SIZE 32 /* stream states */ enum sst_stream_states { STREAM_UN_INIT = 0, /* Freed/Not used stream */ STREAM_RUNNING = 1, /* Running */ STREAM_PAUSED = 2, /* Paused stream */ STREAM_INIT = 3, /* stream init, waiting for data */ }; enum sst_ram_type { SST_IRAM = 1, SST_DRAM = 2, SST_DDR = 5, SST_CUSTOM_INFO = 7, /* consists of FW binary information */ }; /* SST shim registers to structure mapping */ union interrupt_reg { struct { u64 done_interrupt:1; u64 busy_interrupt:1; u64 rsvd:62; } part; u64 full; }; union sst_pisr_reg { struct { u32 pssp0:1; u32 pssp1:1; u32 rsvd0:3; u32 dmac:1; u32 rsvd1:26; } part; u32 full; }; union sst_pimr_reg { struct { u32 ssp0:1; u32 ssp1:1; u32 rsvd0:3; u32 dmac:1; u32 rsvd1:10; u32 ssp0_sc:1; u32 ssp1_sc:1; u32 rsvd2:3; u32 dmac_sc:1; u32 rsvd3:10; } part; u32 full; }; union config_status_reg_mrfld { struct { u64 lpe_reset:1; u64 lpe_reset_vector:1; u64 runstall:1; u64 pwaitmode:1; u64 clk_sel:3; u64 rsvd2:1; u64 sst_clk:3; u64 xt_snoop:1; u64 rsvd3:4; u64 clk_sel1:6; u64 clk_enable:3; u64 rsvd4:6; u64 slim0baseclk:1; u64 rsvd:32; } part; u64 full; }; union interrupt_reg_mrfld { struct { u64 done_interrupt:1; u64 busy_interrupt:1; u64 rsvd:62; } part; u64 full; }; union sst_imr_reg_mrfld { struct { u64 done_interrupt:1; u64 busy_interrupt:1; u64 rsvd:62; } part; u64 full; }; /** * struct sst_block - This structure is used to block a user/fw data call to another * fw/user call * * @condition: condition for blocking check * @ret_code: ret code when block is released * @data: data ptr * @size: size of data * @on: block condition * @msg_id: msg_id = msgid in mfld/ctp, mrfld = NULL * @drv_id: str_id in mfld/ctp, = drv_id in mrfld * @node: list head node */ struct sst_block { bool condition; int ret_code; void *data; u32 size; bool on; u32 msg_id; u32 drv_id; struct list_head node; }; /** * struct stream_info - structure that holds the stream information * * @status : stream current state * @prev : stream prev state * @resume_status : stream current state to restore on resume * @resume_prev : stream prev state to restore on resume * @lock : stream mutex for protecting state * @alloc_param : parameters used for stream (re-)allocation * @pcm_substream : PCM substream * @period_elapsed : PCM period elapsed callback * @sfreq : stream sampling freq * @cumm_bytes : cummulative bytes decoded */ struct stream_info { unsigned int status; unsigned int prev; unsigned int resume_status; unsigned int resume_prev; struct mutex lock; struct snd_sst_alloc_mrfld alloc_param; void *pcm_substream; void (*period_elapsed)(void *pcm_substream); unsigned int sfreq; u32 cumm_bytes; void *compr_cb_param; void (*compr_cb)(void *compr_cb_param); void *drain_cb_param; void (*drain_notify)(void *drain_cb_param); unsigned int num_ch; unsigned int pipe_id; unsigned int task_id; }; #define SST_FW_SIGN "$SST" #define SST_FW_LIB_SIGN "$LIB" /** * struct sst_fw_header - FW file headers * * @signature : FW signature * @file_size: size of fw image * @modules : # of modules * @file_format : version of header format * @reserved : reserved fields */ struct sst_fw_header { unsigned char signature[FW_SIGNATURE_SIZE]; u32 file_size; u32 modules; u32 file_format; u32 reserved[4]; }; /** * struct fw_module_header - module header in FW * * @signature: module signature * @mod_size: size of module * @blocks: block count * @type: block type * @entry_point: module netry point */ struct fw_module_header { unsigned char signature[FW_SIGNATURE_SIZE]; u32 mod_size; u32 blocks; u32 type; u32 entry_point; }; /** * struct fw_block_info - block header for FW * * @type: block ram type I/D * @size: size of block * @ram_offset: offset in ram */ struct fw_block_info { enum sst_ram_type type; u32 size; u32 ram_offset; u32 rsvd; }; struct sst_runtime_param { struct snd_sst_runtime_params param; }; struct sst_sg_list { struct scatterlist *src; struct scatterlist *dst; int list_len; unsigned int sg_idx; }; struct sst_memcpy_list { struct list_head memcpylist; void *dstn; const void *src; u32 size; bool is_io; }; /*Firmware Module Information*/ enum sst_lib_dwnld_status { SST_LIB_NOT_FOUND = 0, SST_LIB_FOUND, SST_LIB_DOWNLOADED, }; struct sst_module_info { const char *name; /*Library name*/ u32 id; /*Module ID*/ u32 entry_pt; /*Module entry point*/ u8 status; /*module status*/ u8 rsvd1; u16 rsvd2; }; /* * Structure for managing the Library Region(1.5MB) * in DDR in Merrifield */ struct sst_mem_mgr { phys_addr_t current_base; int avail; unsigned int count; }; struct sst_ipc_reg { int ipcx; int ipcd; }; struct sst_fw_save { void *iram; /* allocated via kvmalloc() */ void *dram; /* allocated via kvmalloc() */ void *sram; /* allocated via kvmalloc() */ void *ddr; /* allocated via kvmalloc() */ }; /** * struct intel_sst_drv - driver ops * * @sst_state : current sst device state * @dev_id : device identifier, pci_id for pci devices and acpi_id for acpi * devices * @shim : SST shim pointer * @mailbox : SST mailbox pointer * @iram : SST IRAM pointer * @dram : SST DRAM pointer * @pdata : SST info passed as a part of pci platform data * @shim_phy_add : SST shim phy addr * @ipc_dispatch_list : ipc messages dispatched * @rx_list : to copy the process_reply/process_msg from DSP * @ipc_post_msg_wq : wq to post IPC messages context * @mad_ops : MAD driver operations registered * @mad_wq : MAD driver wq * @post_msg_wq : wq to post IPC messages * @streams : sst stream contexts * @list_lock : sst driver list lock (deprecated) * @ipc_spin_lock : spin lock to handle audio shim access and ipc queue * @block_lock : spin lock to add block to block_list and assign pvt_id * @rx_msg_lock : spin lock to handle the rx messages from the DSP * @scard_ops : sst card ops * @pci : sst pci device struture * @dev : pointer to current device struct * @sst_lock : sst device lock * @pvt_id : sst private id * @stream_cnt : total sst active stream count * @pb_streams : total active pb streams * @cp_streams : total active cp streams * @audio_start : audio status * @qos : PM Qos struct * firmware_name : Firmware / Library name */ struct intel_sst_drv { int sst_state; int irq_num; unsigned short dev_id; void __iomem *ddr; void __iomem *shim; void __iomem *mailbox; void __iomem *iram; void __iomem *dram; unsigned int mailbox_add; unsigned int iram_base; unsigned int dram_base; unsigned int shim_phy_add; unsigned int iram_end; unsigned int dram_end; unsigned int ddr_end; unsigned int ddr_base; unsigned int mailbox_recv_offset; struct list_head block_list; struct list_head ipc_dispatch_list; struct sst_platform_info *pdata; struct list_head rx_list; struct work_struct ipc_post_msg_wq; wait_queue_head_t wait_queue; struct workqueue_struct *post_msg_wq; unsigned int tstamp; /* str_id 0 is not used */ struct stream_info streams[MAX_NUM_STREAMS+1]; spinlock_t ipc_spin_lock; spinlock_t block_lock; spinlock_t rx_msg_lock; struct pci_dev *pci; struct device *dev; volatile long unsigned pvt_id; struct mutex sst_lock; unsigned int stream_cnt; unsigned int csr_value; void *fw_in_mem; struct sst_sg_list fw_sg_list, library_list; struct intel_sst_ops *ops; struct sst_info info; struct pm_qos_request *qos; unsigned int use_dma; unsigned int use_lli; atomic_t fw_clear_context; bool lib_dwnld_reqd; struct list_head memcpy_list; struct sst_ipc_reg ipc_reg; struct sst_mem_mgr lib_mem_mgr; /* * Holder for firmware name. Due to async call it needs to be * persistent till worker thread gets called */ char firmware_name[FW_NAME_SIZE]; struct snd_sst_fw_version fw_version; struct sst_fw_save *fw_save; }; /* misc definitions */ #define FW_DWNL_ID 0x01 struct intel_sst_ops { irqreturn_t (*interrupt)(int, void *); irqreturn_t (*irq_thread)(int, void *); void (*clear_interrupt)(struct intel_sst_drv *ctx); int (*start)(struct intel_sst_drv *ctx); int (*reset)(struct intel_sst_drv *ctx); void (*process_reply)(struct intel_sst_drv *ctx, struct ipc_post *msg); int (*post_message)(struct intel_sst_drv *ctx, struct ipc_post *msg, bool sync); void (*process_message)(struct ipc_post *msg); void (*set_bypass)(bool set); int (*save_dsp_context)(struct intel_sst_drv *sst); void (*restore_dsp_context)(void); int (*alloc_stream)(struct intel_sst_drv *ctx, void *params); void (*post_download)(struct intel_sst_drv *sst); }; int sst_realloc_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, struct snd_sst_bytes_v2 *bytes); int sst_set_stream_param(int str_id, struct snd_sst_params *str_param); int sst_set_metadata(int str_id, char *params); int sst_get_stream(struct intel_sst_drv *ctx, struct snd_sst_params *str_param); int sst_get_stream_allocated(struct intel_sst_drv *ctx, struct snd_sst_params *str_param, struct snd_sst_lib_download **lib_dnld); int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx, int str_id, bool partial_drain); int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *ipc_msg, bool sync); void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *msg); int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx); int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx); void intel_sst_clear_intr_mrfld(struct intel_sst_drv *sst_drv_ctx); int sst_load_fw(struct intel_sst_drv *sst_drv_ctx); int sst_load_library(struct snd_sst_lib_download *lib, u8 ops); void sst_post_download_mrfld(struct intel_sst_drv *ctx); int sst_get_block_stream(struct intel_sst_drv *sst_drv_ctx); void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx); int sst_wait_interruptible(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block); int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block); int sst_create_ipc_msg(struct ipc_post **arg, bool large); int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id); void sst_clean_stream(struct stream_info *stream); int intel_sst_register_compress(struct intel_sst_drv *sst); int intel_sst_remove_compress(struct intel_sst_drv *sst); void sst_cdev_fragment_elapsed(struct intel_sst_drv *ctx, int str_id); int sst_send_sync_msg(int ipc, int str_id); int sst_get_num_channel(struct snd_sst_params *str_param); int sst_get_sfreq(struct snd_sst_params *str_param); int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params); void sst_restore_fw_context(void); struct sst_block *sst_create_block(struct intel_sst_drv *ctx, u32 msg_id, u32 drv_id); int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large, struct intel_sst_drv *sst_drv_ctx, struct sst_block **block, u32 msg_id, u32 drv_id); int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed); int sst_wake_up_block(struct intel_sst_drv *ctx, int result, u32 drv_id, u32 ipc, void *data, u32 size); int sst_request_firmware_async(struct intel_sst_drv *ctx); int sst_driver_ops(struct intel_sst_drv *sst); struct sst_platform_info *sst_get_acpi_driver_data(const char *hid); void sst_firmware_load_cb(const struct firmware *fw, void *context); int sst_prepare_and_post_msg(struct intel_sst_drv *sst, int task_id, int ipc_msg, int cmd_id, int pipe_id, size_t mbox_data_len, const void *mbox_data, void **data, bool large, bool fill_dsp, bool sync, bool response); void sst_process_pending_msg(struct work_struct *work); int sst_assign_pvt_id(struct intel_sst_drv *drv); int sst_validate_strid(struct intel_sst_drv *sst_drv_ctx, int str_id); struct stream_info *get_stream_info(struct intel_sst_drv *sst_drv_ctx, int str_id); int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx, u32 pipe_id); u32 relocate_imr_addr_mrfld(u32 base_addr); void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst, struct ipc_post *msg); int sst_pm_runtime_put(struct intel_sst_drv *sst_drv); int sst_shim_write(void __iomem *addr, int offset, int value); u32 sst_shim_read(void __iomem *addr, int offset); u64 sst_reg_read64(void __iomem *addr, int offset); int sst_shim_write64(void __iomem *addr, int offset, u64 value); u64 sst_shim_read64(void __iomem *addr, int offset); void sst_set_fw_state_locked( struct intel_sst_drv *sst_drv_ctx, int sst_state); void sst_fill_header_mrfld(union ipc_header_mrfld *header, int msg, int task_id, int large, int drv_id); void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg, int pipe_id, int len); int sst_register(struct device *); int sst_unregister(struct device *); int sst_alloc_drv_context(struct intel_sst_drv **ctx, struct device *dev, unsigned short dev_id); int sst_context_init(struct intel_sst_drv *ctx); void sst_context_cleanup(struct intel_sst_drv *ctx); void sst_configure_runtime_pm(struct intel_sst_drv *ctx); void memcpy32_toio(void __iomem *dst, const void *src, int count); void memcpy32_fromio(void *dst, const void __iomem *src, int count); #endif
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