diff options
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dsi.c | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index b6bca42b447e..d411aab116c7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -239,8 +239,13 @@ struct exynos_dsi_transfer { #define DSIM_STATE_CMD_LPM BIT(2) #define DSIM_STATE_VIDOUT_AVAILABLE BIT(3) +enum exynos_reg_offset { + EXYNOS_REG_OFS, + EXYNOS5433_REG_OFS +}; + struct exynos_dsi_driver_data { - const unsigned int *reg_ofs; + enum exynos_reg_offset reg_ofs; unsigned int plltmr_reg; unsigned int has_freqband:1; unsigned int has_clklane_stop:1; @@ -317,18 +322,6 @@ enum reg_idx { NUM_REGS }; -static inline void exynos_dsi_write(struct exynos_dsi *dsi, enum reg_idx idx, - u32 val) -{ - - writel(val, dsi->reg_base + dsi->driver_data->reg_ofs[idx]); -} - -static inline u32 exynos_dsi_read(struct exynos_dsi *dsi, enum reg_idx idx) -{ - return readl(dsi->reg_base + dsi->driver_data->reg_ofs[idx]); -} - static const unsigned int exynos_reg_ofs[] = { [DSIM_STATUS_REG] = 0x00, [DSIM_SWRST_REG] = 0x04, @@ -377,6 +370,31 @@ static const unsigned int exynos5433_reg_ofs[] = { [DSIM_PHYTIMING2_REG] = 0xBC, }; +static inline void exynos_dsi_write(struct exynos_dsi *dsi, enum reg_idx idx, + u32 val) +{ + const unsigned int *reg_ofs; + + if (dsi->driver_data->reg_ofs == EXYNOS5433_REG_OFS) + reg_ofs = exynos5433_reg_ofs; + else + reg_ofs = exynos_reg_ofs; + + writel(val, dsi->reg_base + reg_ofs[idx]); +} + +static inline u32 exynos_dsi_read(struct exynos_dsi *dsi, enum reg_idx idx) +{ + const unsigned int *reg_ofs; + + if (dsi->driver_data->reg_ofs == EXYNOS5433_REG_OFS) + reg_ofs = exynos5433_reg_ofs; + else + reg_ofs = exynos_reg_ofs; + + return readl(dsi->reg_base + reg_ofs[idx]); +} + enum reg_value_idx { RESET_TYPE, PLL_TIMER, @@ -450,7 +468,7 @@ static const unsigned int exynos5433_reg_values[] = { }; static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { - .reg_ofs = exynos_reg_ofs, + .reg_ofs = EXYNOS_REG_OFS, .plltmr_reg = 0x50, .has_freqband = 1, .has_clklane_stop = 1, @@ -462,7 +480,7 @@ static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { }; static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { - .reg_ofs = exynos_reg_ofs, + .reg_ofs = EXYNOS_REG_OFS, .plltmr_reg = 0x50, .has_freqband = 1, .has_clklane_stop = 1, @@ -474,7 +492,7 @@ static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { }; static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { - .reg_ofs = exynos_reg_ofs, + .reg_ofs = EXYNOS_REG_OFS, .plltmr_reg = 0x58, .num_clks = 2, .max_freq = 1000, @@ -484,7 +502,7 @@ static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { }; static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { - .reg_ofs = exynos5433_reg_ofs, + .reg_ofs = EXYNOS5433_REG_OFS, .plltmr_reg = 0xa0, .has_clklane_stop = 1, .num_clks = 5, @@ -495,7 +513,7 @@ static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { }; static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { - .reg_ofs = exynos5433_reg_ofs, + .reg_ofs = EXYNOS5433_REG_OFS, .plltmr_reg = 0xa0, .has_clklane_stop = 1, .num_clks = 2, |