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drm/msm/dsi: add dsi host helper functions support

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Add dsi host helper functions support for DSI v2 and DSI 6G 1.x
controllers that are under version checks

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Sibi Sankar 2018-05-29 19:50:31 +05:30 committed by Rob Clark
parent 6e8bed6a3e
commit e18177cc57
2 changed files with 13 additions and 0 deletions
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1
drivers/gpu/drm/msm/dsi/dsi.h
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@ -149,6 +149,7 @@ static inline int msm_dsi_pll_set_usecase(struct msm_dsi_pll *pll,
#endif
/* dsi host */
struct msm_dsi_host;
int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
const struct mipi_dsi_msg *msg);
void msm_dsi_host_xfer_restore(struct mipi_dsi_host *host,

12
drivers/gpu/drm/msm/dsi/dsi_cfg.h
View File

@ -40,10 +40,22 @@ struct msm_dsi_config {
const int num_dsi;
};
struct msm_dsi_host_cfg_ops {
int (*link_clk_enable)(struct msm_dsi_host *msm_host);
void (*link_clk_disable)(struct msm_dsi_host *msm_host);
int (*clk_init_ver)(struct msm_dsi_host *msm_host);
int (*tx_buf_alloc)(struct msm_dsi_host *msm_host, int size);
void* (*tx_buf_get)(struct msm_dsi_host *msm_host);
void (*tx_buf_put)(struct msm_dsi_host *msm_host);
int (*dma_base_get)(struct msm_dsi_host *msm_host, uint64_t *iova);
int (*calc_clk_rate)(struct msm_dsi_host *msm_host);
};
struct msm_dsi_cfg_handler {
u32 major;
u32 minor;
const struct msm_dsi_config *cfg;
const struct msm_dsi_host_cfg_ops *ops;
};
const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor);