drm/rockchip: vop: add rk3188 vop definitions

The rk3188 has 2 vops not using iommus which only output directly
to a rgb interface per vop. So all other output modes like hdmi
are provided by external brige chips.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Sandy Huang <hjc@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180830110937.1739-1-heiko@sntech.de

Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt

@@ -10,6 +10,7 @@ Required properties:
 		"rockchip,rk3126-vop";
 		"rockchip,px30-vop-lit";
 		"rockchip,px30-vop-big";
+		"rockchip,rk3188-vop";
 		"rockchip,rk3288-vop";
 		"rockchip,rk3368-vop";
 		"rockchip,rk3366-vop";

drivers/gpu/drm/rockchip/rockchip_vop_reg.c

@@ -299,6 +299,93 @@ static const struct vop_data px30_vop_lit = {
 	.win_size = ARRAY_SIZE(px30_vop_lit_win_data),
 };
 
+static const struct vop_scl_regs rk3188_win_scl = {
+	.scale_yrgb_x = VOP_REG(RK3188_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0),
+	.scale_yrgb_y = VOP_REG(RK3188_WIN0_SCL_FACTOR_YRGB, 0xffff, 16),
+	.scale_cbcr_x = VOP_REG(RK3188_WIN0_SCL_FACTOR_CBR, 0xffff, 0x0),
+	.scale_cbcr_y = VOP_REG(RK3188_WIN0_SCL_FACTOR_CBR, 0xffff, 16),
+};
+
+static const struct vop_win_phy rk3188_win0_data = {
+	.scl = &rk3188_win_scl,
+	.data_formats = formats_win_full,
+	.nformats = ARRAY_SIZE(formats_win_full),
+	.enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 0),
+	.format = VOP_REG(RK3188_SYS_CTRL, 0x7, 3),
+	.rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 15),
+	.act_info = VOP_REG(RK3188_WIN0_ACT_INFO, 0x1fff1fff, 0),
+	.dsp_info = VOP_REG(RK3188_WIN0_DSP_INFO, 0x0fff0fff, 0),
+	.dsp_st = VOP_REG(RK3188_WIN0_DSP_ST, 0x1fff1fff, 0),
+	.yrgb_mst = VOP_REG(RK3188_WIN0_YRGB_MST0, 0xffffffff, 0),
+	.uv_mst = VOP_REG(RK3188_WIN0_CBR_MST0, 0xffffffff, 0),
+	.yrgb_vir = VOP_REG(RK3188_WIN_VIR, 0x1fff, 0),
+};
+
+static const struct vop_win_phy rk3188_win1_data = {
+	.data_formats = formats_win_lite,
+	.nformats = ARRAY_SIZE(formats_win_lite),
+	.enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 1),
+	.format = VOP_REG(RK3188_SYS_CTRL, 0x7, 6),
+	.rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 19),
+	/* no act_info on window1 */
+	.dsp_info = VOP_REG(RK3188_WIN1_DSP_INFO, 0x07ff07ff, 0),
+	.dsp_st = VOP_REG(RK3188_WIN1_DSP_ST, 0x0fff0fff, 0),
+	.yrgb_mst = VOP_REG(RK3188_WIN1_MST, 0xffffffff, 0),
+	.yrgb_vir = VOP_REG(RK3188_WIN_VIR, 0x1fff, 16),
+};
+
+static const struct vop_modeset rk3188_modeset = {
+	.htotal_pw = VOP_REG(RK3188_DSP_HTOTAL_HS_END, 0x0fff0fff, 0),
+	.hact_st_end = VOP_REG(RK3188_DSP_HACT_ST_END, 0x0fff0fff, 0),
+	.vtotal_pw = VOP_REG(RK3188_DSP_VTOTAL_VS_END, 0x0fff0fff, 0),
+	.vact_st_end = VOP_REG(RK3188_DSP_VACT_ST_END, 0x0fff0fff, 0),
+};
+
+static const struct vop_output rk3188_output = {
+	.pin_pol = VOP_REG(RK3188_DSP_CTRL0, 0xf, 4),
+};
+
+static const struct vop_common rk3188_common = {
+	.gate_en = VOP_REG(RK3188_SYS_CTRL, 0x1, 31),
+	.standby = VOP_REG(RK3188_SYS_CTRL, 0x1, 30),
+	.out_mode = VOP_REG(RK3188_DSP_CTRL0, 0xf, 0),
+	.cfg_done = VOP_REG(RK3188_REG_CFG_DONE, 0x1, 0),
+	.dsp_blank = VOP_REG(RK3188_DSP_CTRL1, 0x3, 24),
+};
+
+static const struct vop_win_data rk3188_vop_win_data[] = {
+	{ .base = 0x00, .phy = &rk3188_win0_data,
+	  .type = DRM_PLANE_TYPE_PRIMARY },
+	{ .base = 0x00, .phy = &rk3188_win1_data,
+	  .type = DRM_PLANE_TYPE_CURSOR },
+};
+
+static const int rk3188_vop_intrs[] = {
+	0,
+	FS_INTR,
+	LINE_FLAG_INTR,
+	BUS_ERROR_INTR,
+};
+
+static const struct vop_intr rk3188_vop_intr = {
+	.intrs = rk3188_vop_intrs,
+	.nintrs = ARRAY_SIZE(rk3188_vop_intrs),
+	.line_flag_num[0] = VOP_REG(RK3188_INT_STATUS, 0xfff, 12),
+	.status = VOP_REG(RK3188_INT_STATUS, 0xf, 0),
+	.enable = VOP_REG(RK3188_INT_STATUS, 0xf, 4),
+	.clear = VOP_REG(RK3188_INT_STATUS, 0xf, 8),
+};
+
+static const struct vop_data rk3188_vop = {
+	.intr = &rk3188_vop_intr,
+	.common = &rk3188_common,
+	.modeset = &rk3188_modeset,
+	.output = &rk3188_output,
+	.win = rk3188_vop_win_data,
+	.win_size = ARRAY_SIZE(rk3188_vop_win_data),
+	.feature = VOP_FEATURE_INTERNAL_RGB,
+};
+
 static const struct vop_scl_extension rk3288_win_full_scl_ext = {
 	.cbcr_vsd_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 31),
 	.cbcr_vsu_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 30),
@@ -667,6 +754,8 @@ static const struct of_device_id vop_driver_dt_match[] = {
 	  .data = &px30_vop_big },
 	{ .compatible = "rockchip,px30-vop-lit",
 	  .data = &px30_vop_lit },
+	{ .compatible = "rockchip,rk3188-vop",
+	  .data = &rk3188_vop },
 	{ .compatible = "rockchip,rk3288-vop",
 	  .data = &rk3288_vop },
 	{ .compatible = "rockchip,rk3368-vop",

drivers/gpu/drm/rockchip/rockchip_vop_reg.h

@@ -958,4 +958,29 @@
 #define PX30_GAMMA_LUT_ADDR			0x00a00
 /* px30 register definition end */
 
+/* rk3188 register definition */
+#define RK3188_SYS_CTRL			0x00
+#define RK3188_DSP_CTRL0		0x04
+#define RK3188_DSP_CTRL1		0x08
+#define RK3188_INT_STATUS		0x10
+#define RK3188_WIN0_YRGB_MST0		0x20
+#define RK3188_WIN0_CBR_MST0		0x24
+#define RK3188_WIN0_YRGB_MST1		0x28
+#define RK3188_WIN0_CBR_MST1		0x2c
+#define RK3188_WIN_VIR			0x30
+#define RK3188_WIN0_ACT_INFO		0x34
+#define RK3188_WIN0_DSP_INFO		0x38
+#define RK3188_WIN0_DSP_ST		0x3c
+#define RK3188_WIN0_SCL_FACTOR_YRGB	0x40
+#define RK3188_WIN0_SCL_FACTOR_CBR	0x44
+#define RK3188_WIN1_MST			0x4c
+#define RK3188_WIN1_DSP_INFO		0x50
+#define RK3188_WIN1_DSP_ST		0x54
+#define RK3188_DSP_HTOTAL_HS_END	0x6c
+#define RK3188_DSP_HACT_ST_END		0x70
+#define RK3188_DSP_VTOTAL_VS_END	0x74
+#define RK3188_DSP_VACT_ST_END		0x78
+#define RK3188_REG_CFG_DONE		0x90
+/* rk3188 register definition end */
+
 #endif /* _ROCKCHIP_VOP_REG_H */