diff options
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi.h')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi.h | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h index 14c64caefc64..afc36a407c2c 100644 --- a/drivers/mmc/host/renesas_sdhi.h +++ b/drivers/mmc/host/renesas_sdhi.h @@ -9,7 +9,10 @@ #ifndef RENESAS_SDHI_H #define RENESAS_SDHI_H +#include <linux/device.h> +#include <linux/dmaengine.h> #include <linux/platform_device.h> +#include <linux/workqueue.h> #include "tmio_mmc.h" struct renesas_sdhi_scc { @@ -18,6 +21,8 @@ struct renesas_sdhi_scc { u32 tap_hs400_4tap; /* sampling clock position for HS400 (4 TAP) */ }; +#define SDHI_FLAG_NEED_CLKH_FALLBACK BIT(0) + struct renesas_sdhi_of_data { unsigned long tmio_flags; u32 tmio_ocr_mask; @@ -31,34 +36,57 @@ struct renesas_sdhi_of_data { int taps_num; unsigned int max_blk_count; unsigned short max_segs; + unsigned long sdhi_flags; }; +#define SDHI_CALIB_TABLE_MAX 32 + +#define sdhi_has_quirk(p, q) ((p)->quirks && (p)->quirks->q) + struct renesas_sdhi_quirks { bool hs400_disabled; bool hs400_4taps; + bool fixed_addr_mode; + bool dma_one_rx_only; + bool manual_tap_correction; + bool old_info1_layout; u32 hs400_bad_taps; + const u8 (*hs400_calib_table)[SDHI_CALIB_TABLE_MAX]; +}; + +struct renesas_sdhi_of_data_with_quirks { + const struct renesas_sdhi_of_data *of_data; + const struct renesas_sdhi_quirks *quirks; }; -struct tmio_mmc_dma { +/* We want both end_flags to be set before we mark DMA as finished */ +#define SDHI_DMA_END_FLAG_DMA 0 +#define SDHI_DMA_END_FLAG_ACCESS 1 + +struct renesas_sdhi_dma { + unsigned long end_flags; enum dma_slave_buswidth dma_buswidth; - bool (*filter)(struct dma_chan *chan, void *arg); + dma_filter_fn filter; void (*enable)(struct tmio_mmc_host *host, bool enable); - struct completion dma_dataend; - struct tasklet_struct dma_complete; + struct completion dma_dataend; + struct work_struct dma_complete; }; struct renesas_sdhi { struct clk *clk; + struct clk *clkh; struct clk *clk_cd; struct tmio_mmc_data mmc_data; - struct tmio_mmc_dma dma_priv; + struct renesas_sdhi_dma dma_priv; const struct renesas_sdhi_quirks *quirks; struct pinctrl *pinctrl; struct pinctrl_state *pins_default, *pins_uhs; void __iomem *scc_ctl; u32 scc_tappos; u32 scc_tappos_hs400; - bool doing_tune; + const u8 *adjust_hs400_calib_table; + bool needs_adjust_hs400; + bool card_is_sdio; /* Tuning values: 1 for success, 0 for failure */ DECLARE_BITMAP(taps, BITS_PER_LONG); @@ -66,12 +94,20 @@ struct renesas_sdhi { DECLARE_BITMAP(smpcmp, BITS_PER_LONG); unsigned int tap_num; unsigned int tap_set; + + struct reset_control *rstc; + struct tmio_mmc_host *host; + struct regulator_dev *rdev; }; #define host_to_priv(host) \ container_of((host)->pdata, struct renesas_sdhi, mmc_data) int renesas_sdhi_probe(struct platform_device *pdev, - const struct tmio_mmc_dma_ops *dma_ops); -int renesas_sdhi_remove(struct platform_device *pdev); + const struct tmio_mmc_dma_ops *dma_ops, + const struct renesas_sdhi_of_data *of_data, + const struct renesas_sdhi_quirks *quirks); +void renesas_sdhi_remove(struct platform_device *pdev); +int renesas_sdhi_suspend(struct device *dev); +int renesas_sdhi_resume(struct device *dev); #endif |