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drm/msm/dp: move I/O functions to global header

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Move msm_dp_read()/msm_write_foo() functions to the dp_catalog.h,
allowing other modules to access the data directly.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org> # sc7180-trogdor
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/654318/
Link: https://lore.kernel.org/r/20250518-fd-dp-audio-fixup-v6-4-2f0ec3ec000d@oss.qualcomm.com
This commit is contained in:
Dmitry Baryshkov 2025-05-18 14:21:37 +03:00 committed by Dmitry Baryshkov
parent 56d802f61a
commit d803592e11
2 changed files with 62 additions and 65 deletions
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65
drivers/gpu/drm/msm/dp/dp_catalog.c
View File

@ -81,71 +81,6 @@ void msm_dp_catalog_snapshot(struct msm_dp_catalog *msm_dp_catalog, struct msm_d
msm_dp_catalog->p0_len, msm_dp_catalog->p0_base, "dp_p0");
}
static inline u32 msm_dp_read_aux(struct msm_dp_catalog *msm_dp_catalog, u32 offset)
{
return readl_relaxed(msm_dp_catalog->aux_base + offset);
}
static inline void msm_dp_write_aux(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure aux reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->aux_base + offset);
}
static inline u32 msm_dp_read_ahb(const struct msm_dp_catalog *msm_dp_catalog, u32 offset)
{
return readl_relaxed(msm_dp_catalog->ahb_base + offset);
}
static inline void msm_dp_write_ahb(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure phy reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->ahb_base + offset);
}
static inline void msm_dp_write_p0(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure interface reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->p0_base + offset);
}
static inline u32 msm_dp_read_p0(struct msm_dp_catalog *msm_dp_catalog,
u32 offset)
{
/*
* To make sure interface reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
return readl_relaxed(msm_dp_catalog->p0_base + offset);
}
static inline u32 msm_dp_read_link(struct msm_dp_catalog *msm_dp_catalog, u32 offset)
{
return readl_relaxed(msm_dp_catalog->link_base + offset);
}
static inline void msm_dp_write_link(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure link reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->link_base + offset);
}
/* aux related catalog functions */
u32 msm_dp_catalog_aux_read_data(struct msm_dp_catalog *msm_dp_catalog)
{

62
drivers/gpu/drm/msm/dp/dp_catalog.h
View File

@ -48,6 +48,68 @@ struct msm_dp_catalog {
size_t p0_len;
};
/* IO */
static inline u32 msm_dp_read_aux(struct msm_dp_catalog *msm_dp_catalog, u32 offset)
{
return readl_relaxed(msm_dp_catalog->aux_base + offset);
}
static inline void msm_dp_write_aux(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure aux reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->aux_base + offset);
}
static inline u32 msm_dp_read_ahb(const struct msm_dp_catalog *msm_dp_catalog, u32 offset)
{
return readl_relaxed(msm_dp_catalog->ahb_base + offset);
}
static inline void msm_dp_write_ahb(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure phy reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->ahb_base + offset);
}
static inline void msm_dp_write_p0(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure interface reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->p0_base + offset);
}
static inline u32 msm_dp_read_p0(struct msm_dp_catalog *msm_dp_catalog,
u32 offset)
{
return readl_relaxed(msm_dp_catalog->p0_base + offset);
}
static inline u32 msm_dp_read_link(struct msm_dp_catalog *msm_dp_catalog, u32 offset)
{
return readl_relaxed(msm_dp_catalog->link_base + offset);
}
static inline void msm_dp_write_link(struct msm_dp_catalog *msm_dp_catalog,
u32 offset, u32 data)
{
/*
* To make sure link reg writes happens before any other operation,
* this function uses writel() instread of writel_relaxed()
*/
writel(data, msm_dp_catalog->link_base + offset);
}
/* Debug module */
void msm_dp_catalog_snapshot(struct msm_dp_catalog *msm_dp_catalog, struct msm_disp_state *disp_state);