From e18177cc572939ad9526bae141fc4c8f5f006de4 Mon Sep 17 00:00:00 2001 From: Sibi Sankar Date: Tue, 29 May 2018 19:50:31 +0530 Subject: [PATCH] drm/msm/dsi: add dsi host helper functions support 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 Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/dsi/dsi.h | 1 + drivers/gpu/drm/msm/dsi/dsi_cfg.h | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 70d9a9a..80be83e 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -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, diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h index 9cfdcf1..a795a06 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h @@ -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); -- 2.7.4