Tuning is a mandatory step in the initialization of SDR104 and HS200 modes. This callback execute the tuning process.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com --- drivers/mmc/mmc-uclass.c | 14 ++++++++++++++ drivers/mmc/mmc.c | 5 +++++ include/mmc.h | 12 ++++++++++++ 3 files changed, 31 insertions(+)
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index e1f7995..b7433cf 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -93,6 +93,20 @@ int mmc_getcd(struct mmc *mmc) { return dm_mmc_get_cd(mmc->dev); } + +int dm_mmc_execute_tuning(struct udevice *dev, uint opcode) +{ + struct dm_mmc_ops *ops = mmc_get_ops(dev); + + if (!ops->execute_tuning) + return -ENOSYS; + return ops->execute_tuning(dev, opcode); +} + +int mmc_execute_tuning(struct mmc *mmc, uint opcode) +{ + return dm_mmc_execute_tuning(mmc->dev, opcode); +} #endif
struct mmc *mmc_get_mmc_dev(struct udevice *dev) diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 415484e..d7d1c91 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -219,6 +219,11 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
return ret; } + +int mmc_execute_tuning(struct mmc *mmc, uint opcode) +{ + return mmc->cfg->ops->execute_tuning(mmc, opcode); +} #endif
int mmc_send_status(struct mmc *mmc, int timeout) diff --git a/include/mmc.h b/include/mmc.h index 097a685..dab68c5 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -375,6 +375,15 @@ struct dm_mmc_ops { * @return 0 if write-enabled, 1 if write-protected, -ve on error */ int (*get_wp)(struct udevice *dev); + + /** + * execute_tuning() - Start the tuning process + * + * @dev: Device to start the tuning + * @opcode: Command opcode to send + * @return 0 if OK, -ve on error + */ + int (*execute_tuning)(struct udevice *dev, uint opcode); };
#define mmc_get_ops(dev) ((struct dm_mmc_ops *)(dev)->driver->ops) @@ -385,12 +394,14 @@ int dm_mmc_set_ios(struct udevice *dev); int dm_mmc_set_vdd(struct udevice *dev, bool enable); int dm_mmc_get_cd(struct udevice *dev); int dm_mmc_get_wp(struct udevice *dev); +int dm_mmc_execute_tuning(struct udevice *dev, uint opcode);
/* Transition functions for compatibility */ int mmc_set_ios(struct mmc *mmc); int mmc_set_vdd(struct mmc *mmc, bool enable); int mmc_getcd(struct mmc *mmc); int mmc_getwp(struct mmc *mmc); +int mmc_execute_tuning(struct mmc *mmc, uint opcode);
#else struct mmc_ops { @@ -401,6 +412,7 @@ struct mmc_ops { int (*set_vdd)(struct mmc *mmc, bool enable); int (*getcd)(struct mmc *mmc); int (*getwp)(struct mmc *mmc); + int (*execute_tuning)(struct mmc *mmc, uint opcode); }; #endif