diff options
Diffstat (limited to 'drivers/mmc/host/tmio_mmc.h')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc.h | 43 |
1 files changed, 32 insertions, 11 deletions
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index a34ecbe1c1ad..fc3805ed69d1 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -16,6 +16,7 @@ #ifndef TMIO_MMC_H #define TMIO_MMC_H +#include <linux/dmaengine.h> #include <linux/highmem.h> #include <linux/mmc/tmio.h> #include <linux/mutex.h> @@ -39,6 +40,17 @@ #define TMIO_MASK_IRQ (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD) struct tmio_mmc_data; +struct tmio_mmc_host; + +struct tmio_mmc_dma { + void *chan_priv_tx; + void *chan_priv_rx; + int slave_id_tx; + int slave_id_rx; + enum dma_slave_buswidth dma_buswidth; + bool (*filter)(struct dma_chan *chan, void *arg); + void (*enable)(struct tmio_mmc_host *host, bool enable); +}; struct tmio_mmc_host { void __iomem *ctl; @@ -56,9 +68,11 @@ struct tmio_mmc_host { struct scatterlist *sg_orig; unsigned int sg_len; unsigned int sg_off; + unsigned long bus_shift; struct platform_device *pdev; struct tmio_mmc_data *pdata; + struct tmio_mmc_dma *dma; /* DMA support */ bool force_pio; @@ -83,10 +97,17 @@ struct tmio_mmc_host { struct mutex ios_lock; /* protect set_ios() context */ bool native_hotplug; bool sdio_irq_enabled; + + int (*write16_hook)(struct tmio_mmc_host *host, int addr); + int (*clk_enable)(struct platform_device *pdev, unsigned int *f); + void (*clk_disable)(struct platform_device *pdev); + int (*multi_io_quirk)(struct mmc_card *card, + unsigned int direction, int blk_size); }; -int tmio_mmc_host_probe(struct tmio_mmc_host **host, - struct platform_device *pdev, +struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev); +void tmio_mmc_host_free(struct tmio_mmc_host *host); +int tmio_mmc_host_probe(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata); void tmio_mmc_host_remove(struct tmio_mmc_host *host); void tmio_mmc_do_data_irq(struct tmio_mmc_host *host); @@ -151,19 +172,19 @@ int tmio_mmc_host_runtime_resume(struct device *dev); static inline u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr) { - return readw(host->ctl + (addr << host->pdata->bus_shift)); + return readw(host->ctl + (addr << host->bus_shift)); } static inline void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr, u16 *buf, int count) { - readsw(host->ctl + (addr << host->pdata->bus_shift), buf, count); + readsw(host->ctl + (addr << host->bus_shift), buf, count); } static inline u32 sd_ctrl_read32(struct tmio_mmc_host *host, int addr) { - return readw(host->ctl + (addr << host->pdata->bus_shift)) | - readw(host->ctl + ((addr + 2) << host->pdata->bus_shift)) << 16; + return readw(host->ctl + (addr << host->bus_shift)) | + readw(host->ctl + ((addr + 2) << host->bus_shift)) << 16; } static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val) @@ -171,21 +192,21 @@ static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr, u16 val /* If there is a hook and it returns non-zero then there * is an error and the write should be skipped */ - if (host->pdata->write16_hook && host->pdata->write16_hook(host, addr)) + if (host->write16_hook && host->write16_hook(host, addr)) return; - writew(val, host->ctl + (addr << host->pdata->bus_shift)); + writew(val, host->ctl + (addr << host->bus_shift)); } static inline void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr, u16 *buf, int count) { - writesw(host->ctl + (addr << host->pdata->bus_shift), buf, count); + writesw(host->ctl + (addr << host->bus_shift), buf, count); } static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val) { - writew(val, host->ctl + (addr << host->pdata->bus_shift)); - writew(val >> 16, host->ctl + ((addr + 2) << host->pdata->bus_shift)); + writew(val, host->ctl + (addr << host->bus_shift)); + writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift)); } |