drivers/staging/media/atomisp/pci/runtime/spctrl/interface/ia_css_spctrl.h

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/runtime/spctrl/interface/ia_css_spctrl.h

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/runtime/spctrl/interface/ia_css_spctrl.h
Extension
.h
Size
1860 bytes
Lines
61
Domain
Driver Families
Bucket
drivers/staging
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __IA_CSS_SPCTRL_H__
#define __IA_CSS_SPCTRL_H__

#include <system_global.h>
#include <ia_css_err.h>
#include "ia_css_spctrl_comm.h"

typedef struct {
	u32        ddr_data_offset;       /**  posistion of data in DDR */
	u32        dmem_data_addr;        /** data segment address in dmem */
	u32        dmem_bss_addr;         /** bss segment address in dmem  */
	u32        data_size;             /** data segment size            */
	u32        bss_size;              /** bss segment size             */
	u32        spctrl_config_dmem_addr; /* <location of dmem_cfg  in SP dmem */
	u32        spctrl_state_dmem_addr;  /* < location of state  in SP dmem */
	unsigned int    sp_entry;                /* < entry function ptr on SP */
	const void      *code;                   /** location of firmware */
	u32         code_size;
	char      *program_name;    /** not used on hardware, only for simulation */
} ia_css_spctrl_cfg;

/* Get the code addr in DDR of SP */
ia_css_ptr get_sp_code_addr(sp_ID_t  sp_id);

/* ! Load firmware on to specfied SP
*/
int ia_css_spctrl_load_fw(sp_ID_t sp_id,
				      ia_css_spctrl_cfg *spctrl_cfg);

/* ISP2401 */
/*! Setup registers for reloading FW */
void sh_css_spctrl_reload_fw(sp_ID_t sp_id);

/*!  Unload/release any memory allocated to hold the firmware
*/
int ia_css_spctrl_unload_fw(sp_ID_t sp_id);

/*! Intilaize dmem_cfg in SP dmem  and  start SP program
*/
int ia_css_spctrl_start(sp_ID_t sp_id);

/*! stop spctrl
*/
int ia_css_spctrl_stop(sp_ID_t sp_id);

/*! Query the state of SP
*/
ia_css_spctrl_sp_sw_state ia_css_spctrl_get_state(sp_ID_t sp_id);

/*! Check if SP is idle/ready
*/
int ia_css_spctrl_is_idle(sp_ID_t sp_id);

#endif /* __IA_CSS_SPCTRL_H__ */

Annotation

Implementation Notes