diff options
Diffstat (limited to 'drivers/staging/tidspbridge/include/dspbridge/io_sm.h')
-rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/io_sm.h | 143 |
1 files changed, 6 insertions, 137 deletions
diff --git a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h index 8242c70e09dd..a054dad21333 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/io_sm.h +++ b/drivers/staging/tidspbridge/include/dspbridge/io_sm.h @@ -23,12 +23,16 @@ #include <dspbridge/_chnl_sm.h> #include <dspbridge/host_os.h> -#include <dspbridge/iodefs.h> +#include <dspbridge/io.h> +#include <dspbridge/mbx_sh.h> /* shared mailbox codes */ + +/* Magic code used to determine if DSP signaled exception. */ +#define DEH_BASE MBX_DEH_BASE +#define DEH_LIMIT MBX_DEH_LIMIT #define IO_INPUT 0 #define IO_OUTPUT 1 #define IO_SERVICE 2 -#define IO_MAXSERVICE IO_SERVICE #ifdef CONFIG_TIDSPBRIDGE_DVFS /* The maximum number of OPPs that are supported */ @@ -116,122 +120,6 @@ extern void io_request_chnl(struct io_mgr *io_manager, extern void iosm_schedule(struct io_mgr *io_manager); /* - * DSP-DMA IO functions - */ - -/* - * ======== io_ddma_init_chnl_desc ======== - * Purpose: - * Initialize DSP DMA channel descriptor. - * Parameters: - * hio_mgr: Handle to a I/O manager. - * ddma_chnl_id: DDMA channel identifier. - * num_desc: Number of buffer descriptors(equals # of IOReqs & - * Chirps) - * dsp: Dsp address; - * Returns: - * Requires: - * ddma_chnl_id < DDMA_MAXDDMACHNLS - * num_desc > 0 - * pVa != NULL - * pDspPa != NULL - * - * Ensures: - */ -extern void io_ddma_init_chnl_desc(struct io_mgr *hio_mgr, u32 ddma_chnl_id, - u32 num_desc, void *dsp); - -/* - * ======== io_ddma_clear_chnl_desc ======== - * Purpose: - * Clear DSP DMA channel descriptor. - * Parameters: - * hio_mgr: Handle to a I/O manager. - * ddma_chnl_id: DDMA channel identifier. - * Returns: - * Requires: - * ddma_chnl_id < DDMA_MAXDDMACHNLS - * Ensures: - */ -extern void io_ddma_clear_chnl_desc(struct io_mgr *hio_mgr, u32 ddma_chnl_id); - -/* - * ======== io_ddma_request_chnl ======== - * Purpose: - * Request channel DSP-DMA from the DSP. Sets up SM descriptors and - * control fields in shared memory. - * Parameters: - * hio_mgr: Handle to a I/O manager. - * pchnl: Ptr to channel object - * chnl_packet_obj: Ptr to channel i/o request packet. - * Returns: - * Requires: - * pchnl != NULL - * pchnl->cio_reqs > 0 - * chnl_packet_obj != NULL - * Ensures: - */ -extern void io_ddma_request_chnl(struct io_mgr *hio_mgr, - struct chnl_object *pchnl, - struct chnl_irp *chnl_packet_obj, - u16 *mbx_val); - -/* - * Zero-copy IO functions - */ - -/* - * ======== io_ddzc_init_chnl_desc ======== - * Purpose: - * Initialize ZCPY channel descriptor. - * Parameters: - * hio_mgr: Handle to a I/O manager. - * zid: zero-copy channel identifier. - * Returns: - * Requires: - * ddma_chnl_id < DDMA_MAXZCPYCHNLS - * hio_mgr != Null - * Ensures: - */ -extern void io_ddzc_init_chnl_desc(struct io_mgr *hio_mgr, u32 zid); - -/* - * ======== io_ddzc_clear_chnl_desc ======== - * Purpose: - * Clear DSP ZC channel descriptor. - * Parameters: - * hio_mgr: Handle to a I/O manager. - * ch_id: ZC channel identifier. - * Returns: - * Requires: - * hio_mgr is valid - * ch_id < DDMA_MAXZCPYCHNLS - * Ensures: - */ -extern void io_ddzc_clear_chnl_desc(struct io_mgr *hio_mgr, u32 ch_id); - -/* - * ======== io_ddzc_request_chnl ======== - * Purpose: - * Request zero-copy channel transfer. Sets up SM descriptors and - * control fields in shared memory. - * Parameters: - * hio_mgr: Handle to a I/O manager. - * pchnl: Ptr to channel object - * chnl_packet_obj: Ptr to channel i/o request packet. - * Returns: - * Requires: - * pchnl != NULL - * pchnl->cio_reqs > 0 - * chnl_packet_obj != NULL - * Ensures: - */ -extern void io_ddzc_request_chnl(struct io_mgr *hio_mgr, - struct chnl_object *pchnl, - struct chnl_irp *chnl_packet_obj, - u16 *mbx_val); - -/* * ======== io_sh_msetting ======== * Purpose: * Sets the shared memory setting @@ -254,25 +142,6 @@ extern int io_sh_msetting(struct io_mgr *hio_mgr, u8 desc, void *pargs); /* Maximum channel bufsize that can be used. */ extern u32 io_buf_size(struct io_mgr *hio_mgr); -extern u32 io_read_value(struct bridge_dev_context *dev_ctxt, u32 dsp_addr); - -extern void io_write_value(struct bridge_dev_context *dev_ctxt, - u32 dsp_addr, u32 value); - -extern u32 io_read_value_long(struct bridge_dev_context *dev_ctxt, - u32 dsp_addr); - -extern void io_write_value_long(struct bridge_dev_context *dev_ctxt, - u32 dsp_addr, u32 value); - -extern void io_or_set_value(struct bridge_dev_context *dev_ctxt, - u32 dsp_addr, u32 value); - -extern void io_and_set_value(struct bridge_dev_context *dev_ctxt, - u32 dsp_addr, u32 value); - -extern void io_sm_init(void); - #ifdef CONFIG_TIDSPBRIDGE_BACKTRACE /* * ========print_dsp_trace_buffer ======== |