The G2D headers define a number of modes through enums (like e.g. color, select, repeat, etc.).
This introduces g2d_validate_select_mode() and g2d_validate_blending_op() which validate a select mode or blending operation respectively. Signed-off-by: Tobias Jakobi <[email protected]> --- exynos/exynos_fimg2d.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c index 2e04f4a..781aff5 100644 --- a/exynos/exynos_fimg2d.c +++ b/exynos/exynos_fimg2d.c @@ -119,6 +119,50 @@ static unsigned int g2d_check_space(const struct g2d_context *ctx, } /* + * g2d_validate_select_mode - validate select mode. + * + * @mode: the mode to validate + */ +static unsigned int g2d_validate_select_mode( + enum e_g2d_select_mode mode) +{ + switch (mode) { + case G2D_SELECT_MODE_NORMAL: + case G2D_SELECT_MODE_FGCOLOR: + case G2D_SELECT_MODE_BGCOLOR: + return 0; + } + + return 1; +} + +/* + * g2d_validate_blending_op - validate blending operation. + * + * @operation: the operation to validate + */ +static unsigned int g2d_validate_blending_op( + enum e_g2d_op operation) +{ + switch (operation) { + case G2D_OP_CLEAR: + case G2D_OP_SRC: + case G2D_OP_DST: + case G2D_OP_OVER: + case G2D_OP_INTERPOLATE: + case G2D_OP_DISJOINT_CLEAR: + case G2D_OP_DISJOINT_SRC: + case G2D_OP_DISJOINT_DST: + case G2D_OP_CONJOINT_CLEAR: + case G2D_OP_CONJOINT_SRC: + case G2D_OP_CONJOINT_DST: + return 0; + } + + return 1; +} + +/* * g2d_add_cmd - set given command and value to user side command buffer. * * @ctx: a pointer to g2d_context structure. -- 2.0.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
