diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2017-03-20 20:50:47 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 22:41:36 +0300 |
| commit | f12e39dbf3e6eb521435085712addc131d803bfd (patch) | |
| tree | 076051b511437820d18682f4079c23a721ed9876 /drivers/mmc/host/sdhci.h | |
| parent | f5c1ab821b96419261e7676efb1a355e9d735faf (diff) | |
| download | linux-f12e39dbf3e6eb521435085712addc131d803bfd.tar.xz | |
mmc: sdhci: Add CQE support
Add an interrupt hook and helper functions for enabling, disabling and
delivering interrupts to a CQE.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 477b3f5bedfd..35b41da0a636 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -134,6 +134,7 @@ #define SDHCI_INT_CARD_REMOVE 0x00000080 #define SDHCI_INT_CARD_INT 0x00000100 #define SDHCI_INT_RETUNE 0x00001000 +#define SDHCI_INT_CQE 0x00004000 #define SDHCI_INT_ERROR 0x00008000 #define SDHCI_INT_TIMEOUT 0x00010000 #define SDHCI_INT_CRC 0x00020000 @@ -158,6 +159,13 @@ SDHCI_INT_BLK_GAP) #define SDHCI_INT_ALL_MASK ((unsigned int)-1) +#define SDHCI_CQE_INT_ERR_MASK ( \ + SDHCI_INT_ADMA_ERROR | SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT | \ + SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_INDEX | \ + SDHCI_INT_END_BIT | SDHCI_INT_CRC | SDHCI_INT_TIMEOUT) + +#define SDHCI_CQE_INT_MASK (SDHCI_CQE_INT_ERR_MASK | SDHCI_INT_CQE) + #define SDHCI_ACMD12_ERR 0x3C #define SDHCI_HOST_CONTROL2 0x3E @@ -518,6 +526,10 @@ struct sdhci_host { /* cached registers */ u32 ier; + bool cqe_on; /* CQE is operating */ + u32 cqe_ier; /* CQE interrupt mask */ + u32 cqe_err_ier; /* CQE error interrupt mask */ + wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read Ready interrupt */ unsigned int tuning_done; /* Condition flag set when CMD19 succeeds */ @@ -544,6 +556,8 @@ struct sdhci_ops { void (*set_power)(struct sdhci_host *host, unsigned char mode, unsigned short vdd); + u32 (*irq)(struct sdhci_host *host, u32 intmask); + int (*enable_dma)(struct sdhci_host *host); unsigned int (*get_max_clock)(struct sdhci_host *host); unsigned int (*get_min_clock)(struct sdhci_host *host); @@ -697,6 +711,11 @@ int sdhci_runtime_suspend_host(struct sdhci_host *host); int sdhci_runtime_resume_host(struct sdhci_host *host); #endif +void sdhci_cqe_enable(struct mmc_host *mmc); +void sdhci_cqe_disable(struct mmc_host *mmc, bool recovery); +bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error, + int *data_error); + void sdhci_dumpregs(struct sdhci_host *host); #endif /* __SDHCI_HW_H */ |