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mmc: Add a execute_tuning() callback to the mmc operations.
Tuning is a mandatory step in the initialization of SDR104 and HS200 modes. This callback execute the tuning process. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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3 changed files with 30 additions and 0 deletions
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@ -92,6 +92,20 @@ int mmc_getcd(struct mmc *mmc)
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return dm_mmc_get_cd(mmc->dev);
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}
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int dm_mmc_execute_tuning(struct udevice *dev, uint opcode)
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{
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struct dm_mmc_ops *ops = mmc_get_ops(dev);
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if (!ops->execute_tuning)
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return -ENOSYS;
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return ops->execute_tuning(dev, opcode);
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}
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int mmc_execute_tuning(struct mmc *mmc, uint opcode)
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{
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return dm_mmc_execute_tuning(mmc->dev, opcode);
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}
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struct mmc *mmc_get_mmc_dev(struct udevice *dev)
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{
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struct mmc_uclass_priv *upriv;
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@ -1199,6 +1199,11 @@ static inline int bus_width(uint cap)
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}
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#if !CONFIG_IS_ENABLED(DM_MMC)
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static int mmc_execute_tuning(struct mmc *mmc, uint opcode)
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{
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return -ENOTSUPP;
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}
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static void mmc_send_init_stream(struct mmc *mmc)
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{
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}
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@ -383,6 +383,15 @@ struct dm_mmc_ops {
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* @return 0 if write-enabled, 1 if write-protected, -ve on error
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*/
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int (*get_wp)(struct udevice *dev);
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/**
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* execute_tuning() - Start the tuning process
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*
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* @dev: Device to start the tuning
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* @opcode: Command opcode to send
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* @return 0 if OK, -ve on error
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*/
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int (*execute_tuning)(struct udevice *dev, uint opcode);
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};
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#define mmc_get_ops(dev) ((struct dm_mmc_ops *)(dev)->driver->ops)
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@ -393,12 +402,14 @@ int dm_mmc_set_ios(struct udevice *dev);
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void dm_mmc_send_init_stream(struct udevice *dev);
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int dm_mmc_get_cd(struct udevice *dev);
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int dm_mmc_get_wp(struct udevice *dev);
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int dm_mmc_execute_tuning(struct udevice *dev, uint opcode);
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/* Transition functions for compatibility */
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int mmc_set_ios(struct mmc *mmc);
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void mmc_send_init_stream(struct mmc *mmc);
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int mmc_getcd(struct mmc *mmc);
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int mmc_getwp(struct mmc *mmc);
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int mmc_execute_tuning(struct mmc *mmc, uint opcode);
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#else
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struct mmc_ops {
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