tt_grendel_i3c_target.c File Reference

#include <errno.h>
#include <string.h>
#include <zephyr/device.h>
#include <zephyr/devicetree.h>
#include <zephyr/drivers/i3c.h>
#include <zephyr/drivers/i3c/target_device.h>
#include <zephyr/drivers/misc/tt_bundle_loader.h>
#include <zephyr/drivers/misc/tt_d2d.h>
#include <zephyr/drivers/misc/tt_grendel_i3c.h>
#include <zephyr/kernel.h>
#include <zephyr/logging/log.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/sys/sys_io.h>

Include dependency graph for tt_grendel_i3c_target.c:

Data Structures
struct	tt_grendel_i3c_target_config
struct	tt_grendel_i3c_target_data

Macros
#define	DT_DRV_COMPAT   tenstorrent_grendel_i3c_target
#define	TT_GRENDEL_I3C_D2D_FW_ADDR   TT_D2D_OCCP_STAGE_ADDR
#define	TT_GRENDEL_I3C_TARGET_GET(node_id, prop, idx)
#define	TT_GRENDEL_I3C_TARGET_DEFINE(inst)

Functions
	LOG_MODULE_REGISTER (tt_grendel_i3c_target, CONFIG_TT_GRENDEL_I3C_TARGET_LOG_LEVEL)
	BUILD_ASSERT (CONFIG_TT_GRENDEL_I3C_TARGET_INIT_PRIO > CONFIG_TT_D2D_INIT_PRIO, "TT_GRENDEL_I3C_TARGET_INIT_PRIO must be higher than TT_D2D_INIT_PRIO")
static int	tt_grendel_i3c_handle_d2d_init (const struct tt_grendel_i3c_target_config *cfg, const struct tt_grendel_i3c_d2d_req *req)
static int	tt_grendel_i3c_handle_d2d_start (const struct tt_grendel_i3c_target_config *cfg, const struct tt_grendel_i3c_d2d_req *req)
static int	tt_grendel_i3c_dispatch (const struct tt_grendel_i3c_target_config *cfg, uint8_t opcode, const uint8_t *payload)
static void	tt_grendel_i3c_target_work (struct k_work *work)
static int	tt_grendel_i3c_write_received (struct i3c_target_config *target_cfg, uint8_t val)
static int	tt_grendel_i3c_stop (struct i3c_target_config *target_cfg)
static int	tt_grendel_i3c_target_init (const struct device *dev)

Variables
static const struct i3c_target_callbacks	tt_grendel_i3c_target_callbacks

Macro Definition Documentation

DT_DRV_COMPAT

#define DT_DRV_COMPAT   tenstorrent_grendel_i3c_target

TT_GRENDEL_I3C_D2D_FW_ADDR

#define TT_GRENDEL_I3C_D2D_FW_ADDR   TT_D2D_OCCP_STAGE_ADDR

TT_GRENDEL_I3C_TARGET_DEFINE

#define TT_GRENDEL_I3C_TARGET_DEFINE

(

inst

)

Value:

        static const struct device *const tt_grendel_i3c_target_d2ds_##inst[] = {                  \
                DT_INST_FOREACH_PROP_ELEM(inst, d2d, TT_GRENDEL_I3C_TARGET_GET)};                  \
        static const struct tt_grendel_i3c_target_config tt_grendel_i3c_target_config_##inst = {   \
                .i3c = DEVICE_DT_GET(DT_INST_PHANDLE(inst, i3c)),                                  \
                .d2ds = tt_grendel_i3c_target_d2ds_##inst,                                         \
                .num_d2ds = ARRAY_SIZE(tt_grendel_i3c_target_d2ds_##inst),                         \
        };                                                                                         \
        static struct tt_grendel_i3c_target_data tt_grendel_i3c_target_data_##inst;                \
        DEVICE_DT_INST_DEFINE(inst, tt_grendel_i3c_target_init, NULL,                              \
                              &tt_grendel_i3c_target_data_##inst,                                  \
                              &tt_grendel_i3c_target_config_##inst, POST_KERNEL,                   \
                              CONFIG_TT_GRENDEL_I3C_TARGET_INIT_PRIO, NULL);

TT_GRENDEL_I3C_TARGET_GET

#define TT_GRENDEL_I3C_TARGET_GET	(		node_id,
			prop,
			idx )

Value:

        DEVICE_DT_GET(DT_PHANDLE_BY_IDX(node_id, prop, idx)),

Function Documentation

BUILD_ASSERT()

BUILD_ASSERT	(	CONFIG_TT_GRENDEL_I3C_TARGET_INIT_PRIO	,
		CONFIG_TT_D2D_INIT_PRIO	,
		"TT_GRENDEL_I3C_TARGET_INIT_PRIO must be higher than TT_D2D_INIT_PRIO"	)

LOG_MODULE_REGISTER()

LOG_MODULE_REGISTER	(	tt_grendel_i3c_target	,
		CONFIG_TT_GRENDEL_I3C_TARGET_LOG_LEVEL	)

tt_grendel_i3c_dispatch()

int tt_grendel_i3c_dispatch ( const struct tt_grendel_i3c_target_config * cfg, uint8_t opcode, const uint8_t * payload )

static

tt_grendel_i3c_handle_d2d_init()

int tt_grendel_i3c_handle_d2d_init ( const struct tt_grendel_i3c_target_config * cfg, const struct tt_grendel_i3c_d2d_req * req )

static

tt_grendel_i3c_handle_d2d_start()

int tt_grendel_i3c_handle_d2d_start ( const struct tt_grendel_i3c_target_config * cfg, const struct tt_grendel_i3c_d2d_req * req )

static

tt_grendel_i3c_stop()

int tt_grendel_i3c_stop ( struct i3c_target_config * target_cfg )

static

tt_grendel_i3c_target_init()

int tt_grendel_i3c_target_init ( const struct device * dev )

static

tt_grendel_i3c_target_work()

void tt_grendel_i3c_target_work ( struct k_work * work )

static

tt_grendel_i3c_write_received()

int tt_grendel_i3c_write_received ( struct i3c_target_config * target_cfg, uint8_t val )

static

Variable Documentation

tt_grendel_i3c_target_callbacks

const struct i3c_target_callbacks tt_grendel_i3c_target_callbacks

static

Initial value:

= {
        .write_received_cb = tt_grendel_i3c_write_received,
        .stop_cb = tt_grendel_i3c_stop,
}