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mmc: mmci: add get_datactrl_cfg callback and helper functions

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This patch adds get_datactrl_cfg callback in mmci_host_ops
to allow to get datactrl configuration specific at variant.
Common helper function is defined and could be call by variant.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ludovic Barre 2019-03-27 10:05:28 +01:00 committed by Ulf Hansson
parent e5a34b0c10
commit 0732ea75de
1 changed files with 6 additions and 0 deletions
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6
drivers/mmc/host/mmci.h
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@ -362,6 +362,7 @@ struct mmci_host_ops {
bool next); bool next);
void (*unprep_data)(struct mmci_host *host, struct mmc_data *data, void (*unprep_data)(struct mmci_host *host, struct mmc_data *data,
int err); int err);
u32 (*get_datactrl_cfg)(struct mmci_host *host);
void (*get_next_data)(struct mmci_host *host, struct mmc_data *data); void (*get_next_data)(struct mmci_host *host, struct mmc_data *data);
int (*dma_setup)(struct mmci_host *host); int (*dma_setup)(struct mmci_host *host);
void (*dma_release)(struct mmci_host *host); void (*dma_release)(struct mmci_host *host);
@ -429,6 +430,11 @@ struct mmci_host {
void mmci_write_clkreg(struct mmci_host *host, u32 clk); void mmci_write_clkreg(struct mmci_host *host, u32 clk);
void mmci_write_pwrreg(struct mmci_host *host, u32 pwr); void mmci_write_pwrreg(struct mmci_host *host, u32 pwr);
static inline u32 mmci_dctrl_blksz(struct mmci_host *host)
{
return (ffs(host->data->blksz) - 1) << 4;
}
#ifdef CONFIG_DMA_ENGINE #ifdef CONFIG_DMA_ENGINE
int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data, int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data,
bool next); bool next);