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drivers: i3c: add i3c ccc entas

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Add helper functions for the I3C CCC ENTAS0, ENTAS1, ENTAS2, and
ENTAS3.

Signed-off-by: Ryan McClelland <ryanmcclelland@meta.com>
This commit is contained in:
Ryan McClelland 2024-09-03 14:26:47 -07:00 committed by Anas Nashif
parent 4658ed5652
commit 9d2dd99ee8
2 changed files with 175 additions and 0 deletions
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34
drivers/i3c/i3c_ccc.c
View File

@ -239,6 +239,40 @@ int i3c_ccc_do_events_set(struct i3c_device_desc *target,
return i3c_do_ccc(target->bus, &ccc_payload);
}
int i3c_ccc_do_entas(const struct i3c_device_desc *target, uint8_t as)
{
struct i3c_ccc_payload ccc_payload;
struct i3c_ccc_target_payload ccc_tgt_payload;
__ASSERT_NO_MSG(target != NULL);
__ASSERT_NO_MSG(target->bus != NULL);
__ASSERT_NO_MSG(as <= 3);
memset(&ccc_payload, 0, sizeof(ccc_payload));
ccc_tgt_payload.addr = target->dynamic_addr;
ccc_tgt_payload.rnw = 0;
ccc_payload.ccc.id = I3C_CCC_ENTAS(as, false);
ccc_payload.targets.payloads = &ccc_tgt_payload;
ccc_payload.targets.num_targets = 1;
return i3c_do_ccc(target->bus, &ccc_payload);
}
int i3c_ccc_do_entas_all(const struct device *controller, uint8_t as)
{
struct i3c_ccc_payload ccc_payload;
__ASSERT_NO_MSG(controller != NULL);
__ASSERT_NO_MSG(as <= 3);
memset(&ccc_payload, 0, sizeof(ccc_payload));
ccc_payload.ccc.id = I3C_CCC_ENTAS(as, true);
return i3c_do_ccc(controller, &ccc_payload);
}
int i3c_ccc_do_setmwl_all(const struct device *controller,
const struct i3c_ccc_mwl *mwl)
{

141
include/zephyr/drivers/i3c/ccc.h
View File

@ -1356,6 +1356,147 @@ int i3c_ccc_do_events_all_set(const struct device *controller,
int i3c_ccc_do_events_set(struct i3c_device_desc *target,
bool enable, struct i3c_ccc_events *events);
/**
* @brief Direct ENTAS to set the Activity State.
*
* Helper function to broadcast Activity State Command on a single
* target.
*
* @param[in] target Pointer to the target device descriptor.
* @param[in] as Activity State level
*
* @return @see i3c_do_ccc
*/
int i3c_ccc_do_entas(const struct i3c_device_desc *target, uint8_t as);
/**
* @brief Direct ENTAS0
*
* Helper function to do ENTAS0 setting the minimum bus activity level to 1us
* on a single target.
*
* @param[in] target Pointer to the target device descriptor.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas0(const struct i3c_device_desc *target)
{
return i3c_ccc_do_entas(target, 0);
}
/**
* @brief Direct ENTAS1
*
* Helper function to do ENTAS1 setting the minimum bus activity level to 100us
* on a single target.
*
* @param[in] target Pointer to the target device descriptor.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas1(const struct i3c_device_desc *target)
{
return i3c_ccc_do_entas(target, 1);
}
/**
* @brief Direct ENTAS2
*
* Helper function to do ENTAS2 setting the minimum bus activity level to 2ms
* on a single target.
*
* @param[in] target Pointer to the target device descriptor.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas2(const struct i3c_device_desc *target)
{
return i3c_ccc_do_entas(target, 2);
}
/**
* @brief Direct ENTAS3
*
* Helper function to do ENTAS3 setting the minimum bus activity level to 50ms
* on a single target.
*
* @param[in] target Pointer to the target device descriptor.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas3(const struct i3c_device_desc *target)
{
return i3c_ccc_do_entas(target, 3);
}
/**
* @brief Broadcast ENTAS to set the Activity State.
*
* Helper function to broadcast Activity State Command.
*
* @param[in] controller Pointer to the controller device driver instance.
* @param[in] as Activity State level
*
* @return @see i3c_do_ccc
*/
int i3c_ccc_do_entas_all(const struct device *controller, uint8_t as);
/**
* @brief Broadcast ENTAS0
*
* Helper function to do ENTAS0 setting the minimum bus activity level to 1us
*
* @param[in] controller Pointer to the controller device driver instance.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas0_all(const struct device *controller)
{
return i3c_ccc_do_entas_all(controller, 0);
}
/**
* @brief Broadcast ENTAS1
*
* Helper function to do ENTAS1 setting the minimum bus activity level to 100us
*
* @param[in] controller Pointer to the controller device driver instance.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas1_all(const struct device *controller)
{
return i3c_ccc_do_entas_all(controller, 1);
}
/**
* @brief Broadcast ENTAS2
*
* Helper function to do ENTAS2 setting the minimum bus activity level to 2ms
*
* @param[in] controller Pointer to the controller device driver instance.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas2_all(const struct device *controller)
{
return i3c_ccc_do_entas_all(controller, 2);
}
/**
* @brief Broadcast ENTAS3
*
* Helper function to do ENTAS3 setting the minimum bus activity level to 50ms
*
* @param[in] controller Pointer to the controller device driver instance.
*
* @return @see i3c_do_ccc
*/
static inline int i3c_ccc_do_entas3_all(const struct device *controller)
{
return i3c_ccc_do_entas_all(controller, 3);
}
/**
* @brief Broadcast SETMWL to Set Maximum Write Length.
*