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drm/msm/dsi: Enable PLL driver in MSM DSI

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This change activates PLL driver for DSI to work with
common clock framework.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Hai Li
2015-05-15 13:04:05 -04:00
committed by Rob Clark
parent 825637b9c0
commit 9d32c4989c
5 changed files with 229 additions and 35 deletions
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43
drivers/gpu/drm/msm/dsi/dsi.h
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@@ -38,6 +38,13 @@
#define DSI_ENCODER_MASTER DSI_1
#define DSI_ENCODER_SLAVE DSI_0
enum msm_dsi_phy_type {
MSM_DSI_PHY_UNKNOWN,
MSM_DSI_PHY_28NM_HPM,
MSM_DSI_PHY_28NM_LP,
MSM_DSI_PHY_MAX
};
struct msm_dsi {
struct drm_device *dev;
struct platform_device *pdev;
@@ -49,6 +56,8 @@ struct msm_dsi {
struct msm_dsi_phy *phy;
struct drm_panel *panel;
unsigned long panel_flags;
enum msm_dsi_phy_type phy_type;
bool phy_enabled;
/* the encoders we are hooked to (outside of dsi block) */
@@ -73,6 +82,29 @@ void msm_dsi_manager_unregister(struct msm_dsi *msm_dsi);
/* msm dsi */
struct drm_encoder *msm_dsi_get_encoder(struct msm_dsi *msm_dsi);
/* dsi pll */
struct msm_dsi_pll;
#ifdef CONFIG_DRM_MSM_DSI_PLL
struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
enum msm_dsi_phy_type type, int dsi_id);
void msm_dsi_pll_destroy(struct msm_dsi_pll *pll);
int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
struct clk **byte_clk_provider, struct clk **pixel_clk_provider);
#else
static inline struct msm_dsi_pll *msm_dsi_pll_init(struct platform_device *pdev,
enum msm_dsi_phy_type type, int id) {
return ERR_PTR(-ENODEV);
}
static inline void msm_dsi_pll_destroy(struct msm_dsi_pll *pll)
{
}
static inline int msm_dsi_pll_get_clk_provider(struct msm_dsi_pll *pll,
struct clk **byte_clk_provider, struct clk **pixel_clk_provider)
{
return -ENODEV;
}
#endif
/* dsi host */
int msm_dsi_host_xfer_prepare(struct mipi_dsi_host *host,
const struct mipi_dsi_msg *msg);
@@ -94,6 +126,8 @@ struct drm_panel *msm_dsi_host_get_panel(struct mipi_dsi_host *host,
unsigned long *panel_flags);
int msm_dsi_host_register(struct mipi_dsi_host *host, bool check_defer);
void msm_dsi_host_unregister(struct mipi_dsi_host *host);
int msm_dsi_host_set_src_pll(struct mipi_dsi_host *host,
struct msm_dsi_pll *src_pll);
void msm_dsi_host_destroy(struct mipi_dsi_host *host);
int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
struct drm_device *dev);
@@ -101,18 +135,15 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi);
/* dsi phy */
struct msm_dsi_phy;
enum msm_dsi_phy_type {
MSM_DSI_PHY_UNKNOWN,
MSM_DSI_PHY_28NM_HPM,
MSM_DSI_PHY_28NM_LP,
MSM_DSI_PHY_MAX
};
struct msm_dsi_phy *msm_dsi_phy_init(struct platform_device *pdev,
enum msm_dsi_phy_type type, int id);
void msm_dsi_phy_destroy(struct msm_dsi_phy *phy);
int msm_dsi_phy_enable(struct msm_dsi_phy *phy, bool is_dual_panel,
const unsigned long bit_rate, const unsigned long esc_rate);
int msm_dsi_phy_disable(struct msm_dsi_phy *phy);
void msm_dsi_phy_get_clk_pre_post(struct msm_dsi_phy *phy,
u32 *clk_pre, u32 *clk_post);
struct msm_dsi_pll *msm_dsi_phy_get_pll(struct msm_dsi_phy *phy);
#endif /* __DSI_CONNECTOR_H__ */