Re: [RFC PATCH v1 1/2] drm/rockchip: vop: add rk3229 vop support

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Hi Yakir,

Am Montag, 4. Januar 2016, 19:53:58 schrieb Yakir Yang:
> RK3229 registers layout is simalar to RK3288 layout, only the
> interruput registers is different to RK3288.
> 
> RK3229 support two overlay plane and one hwc plane, max output
> resolution is 4K. it support IOMMU, and its IOMMU same as rk3288's.
> 
> Signed-off-by: Yakir Yang <ykk@xxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.c |   7 +-
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.h |   2 +
>  drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 120
> ++++++++++++++++++++++++++++ drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> |  90 +++++++++++++++++++++ 4 files changed, 217 insertions(+), 2
> deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index d83bf87..3c83097
> 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -63,9 +63,12 @@
>  #define VOP_INTR_SET_TYPE(vop, name, type, v) \
>  	do { \
>  		int i, reg = 0; \
> -		for (i = 0; i < vop->data->intr->nintrs; i++) { \
> -			if (vop->data->intr->intrs[i] & type) \
> +		const struct vop_intr *intr = vop->data->intr; \
> +		for (i = 0; i < intr->nintrs; i++) { \
> +			if (intr->intrs[i] & type) { \
>  				reg |= (v) << i; \
> +				reg |= intr->write_mask ? (1 << (i + 16)) : 0; \
> +			} \
>  		} \
>  		VOP_INTR_SET(vop, name, reg); \
>  	} while (0)

I do believe this part, as well as setting the default .write_mask = false 
for the existing parts should get its own patch + a bit more explanation
on what this does and why it's needed.

---- 8< ----
drm/rockchip: Add support for interrupt registers using write-masks

Some new display-controllers are need to set write-masks to enable writes
to interrupt registers. Allow this to be set on a per-vop basis.
---- 8< ----

or something like that, and then patches 2+3 being the rk3229 support + 
binding.


> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
> b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 071ff0b..1e839e8
> 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
> @@ -60,6 +60,7 @@ struct vop_ctrl {
>  };
> 
>  struct vop_intr {
> +	bool write_mask;
>  	const int *intrs;
>  	uint32_t nintrs;
>  	struct vop_reg enable;
> @@ -136,6 +137,7 @@ struct vop_data {
>  };
> 
>  /* interrupt define */
> +#define DUMMY_INTR			(0 << 0)
>  #define DSP_HOLD_VALID_INTR		(1 << 0)
>  #define FS_INTR				(1 << 1)
>  #define LINE_FLAG_INTR			(1 << 2)
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 3166b46..bbcd128
> 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
> @@ -174,6 +174,7 @@ static const int rk3288_vop_intrs[] = {
>  };
> 
>  static const struct vop_intr rk3288_vop_intr = {
> +	.write_mask = false,
>  	.intrs = rk3288_vop_intrs,
>  	.nintrs = ARRAY_SIZE(rk3288_vop_intrs),
>  	.status = VOP_REG(RK3288_INTR_CTRL0, 0xf, 0),
> @@ -190,6 +191,122 @@ static const struct vop_data rk3288_vop = {
>  	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
>  };
> 
> +static const struct vop_scl_extension rk3229_win_full_scl_ext = {
> +	.cbcr_vsd_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 31),
> +	.cbcr_vsu_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 30),
> +	.cbcr_hsd_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 28),
> +	.cbcr_ver_scl_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 26),
> +	.cbcr_hor_scl_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 24),
> +	.yrgb_vsd_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 23),
> +	.yrgb_vsu_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 22),
> +	.yrgb_hsd_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 20),
> +	.yrgb_ver_scl_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 18),
> +	.yrgb_hor_scl_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 16),
> +	.line_load_mode = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 15),
> +	.cbcr_axi_gather_num = VOP_REG(RK3229_WIN0_CTRL1, 0x7, 12),
> +	.yrgb_axi_gather_num = VOP_REG(RK3229_WIN0_CTRL1, 0xf, 8),
> +	.vsd_cbcr_gt2 = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 7),
> +	.vsd_cbcr_gt4 = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 6),
> +	.vsd_yrgb_gt2 = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 5),
> +	.vsd_yrgb_gt4 = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 4),
> +	.bic_coe_sel = VOP_REG(RK3229_WIN0_CTRL1, 0x3, 2),
> +	.cbcr_axi_gather_en = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 1),
> +	.yrgb_axi_gather_en = VOP_REG(RK3229_WIN0_CTRL1, 0x1, 0),
> +	.lb_mode = VOP_REG(RK3229_WIN0_CTRL0, 0x7, 5),
> +};
> +
> +static const struct vop_scl_regs rk3229_win_full_scl = {
> +	.ext = &rk3229_win_full_scl_ext,
> +	.scale_yrgb_x = VOP_REG(RK3229_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0),
> +	.scale_yrgb_y = VOP_REG(RK3229_WIN0_SCL_FACTOR_YRGB, 0xffff, 16),
> +	.scale_cbcr_x = VOP_REG(RK3229_WIN0_SCL_FACTOR_CBR, 0xffff, 0x0),
> +	.scale_cbcr_y = VOP_REG(RK3229_WIN0_SCL_FACTOR_CBR, 0xffff, 16),
> +};
> +
> +static const struct vop_win_phy rk3229_win01_data = {
> +	.scl = &rk3229_win_full_scl,
> +	.data_formats = formats_win_full,
> +	.nformats = ARRAY_SIZE(formats_win_full),
> +	.enable = VOP_REG(RK3229_WIN0_CTRL0, 0x1, 0),
> +	.format = VOP_REG(RK3229_WIN0_CTRL0, 0x7, 1),
> +	.rb_swap = VOP_REG(RK3229_WIN0_CTRL0, 0x1, 12),
> +	.act_info = VOP_REG(RK3229_WIN0_ACT_INFO, 0x1fff1fff, 0),
> +	.dsp_info = VOP_REG(RK3229_WIN0_DSP_INFO, 0x0fff0fff, 0),
> +	.dsp_st = VOP_REG(RK3229_WIN0_DSP_ST, 0x1fff1fff, 0),
> +	.yrgb_mst = VOP_REG(RK3229_WIN0_YRGB_MST, 0xffffffff, 0),
> +	.uv_mst = VOP_REG(RK3229_WIN0_CBR_MST, 0xffffffff, 0),
> +	.yrgb_vir = VOP_REG(RK3229_WIN0_VIR, 0x3fff, 0),
> +	.uv_vir = VOP_REG(RK3229_WIN0_VIR, 0x3fff, 16),
> +	.src_alpha_ctl = VOP_REG(RK3229_WIN0_SRC_ALPHA_CTRL, 0xff, 0),
> +	.dst_alpha_ctl = VOP_REG(RK3229_WIN0_DST_ALPHA_CTRL, 0xff, 0),
> +};
> +
> +static const struct vop_win_data rk3229_vop_win_data[] = {
> +	{ .base = 0x00, .phy = &rk3229_win01_data,
> +	  .type = DRM_PLANE_TYPE_PRIMARY },
> +	{ .base = 0x40, .phy = &rk3229_win01_data,
> +	  .type = DRM_PLANE_TYPE_CURSOR },
> +};
> +
> +static const struct vop_ctrl rk3229_ctrl_data = {
> +	.cfg_done = VOP_REG(RK3229_REG_CFG_DONE, 0x1, 0),
> +	.standby = VOP_REG(RK3229_SYS_CTRL, 0x1, 22),
> +	.gate_en = VOP_REG(RK3229_SYS_CTRL, 0x1, 23),
> +	.mmu_en = VOP_REG(RK3229_SYS_CTRL, 0x1, 20),
> +	.rgb_en = VOP_REG(RK3229_SYS_CTRL, 0x1, 12),
> +	.hdmi_en = VOP_REG(RK3229_SYS_CTRL, 0x1, 13),
> +	.edp_en = VOP_REG(RK3229_SYS_CTRL, 0x1, 14),
> +	.mipi_en = VOP_REG(RK3229_SYS_CTRL, 0x1, 15),
> +	.data_blank = VOP_REG(RK3229_DSP_CTRL0, 0x1, 19),
> +	.out_mode = VOP_REG(RK3229_DSP_CTRL0, 0xf, 0),
> +	.pin_pol = VOP_REG(RK3229_DSP_CTRL1, 0xf, 20),
> +	.dither_up = VOP_REG(RK3229_DSP_CTRL1, 0x1, 6),
> +	.htotal_pw = VOP_REG(RK3229_DSP_HTOTAL_HS_END, 0x1fff1fff, 0),
> +	.hact_st_end = VOP_REG(RK3229_DSP_HACT_ST_END, 0x1fff1fff, 0),
> +	.vtotal_pw = VOP_REG(RK3229_DSP_VTOTAL_VS_END, 0x1fff1fff, 0),
> +	.vact_st_end = VOP_REG(RK3229_DSP_VACT_ST_END, 0x1fff1fff, 0),
> +	.hpost_st_end = VOP_REG(RK3229_POST_DSP_HACT_INFO, 0x1fff1fff, 0),
> +	.vpost_st_end = VOP_REG(RK3229_POST_DSP_VACT_INFO, 0x1fff1fff, 0),
> +};
> +
> +static const int rk3229_vop_intrs[] = {
> +	FS_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,

I'm not sure we need that extra "DUMMY_INTR" define - a simple 0 should be 
enough as well to mark the positions as unused.


The rest looks nice
Heiko


> +	LINE_FLAG_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DUMMY_INTR,
> +	DSP_HOLD_VALID_INTR,
> +};
> +
> +static const struct vop_intr rk3229_intr = {
> +	.write_mask = true,
> +	.intrs = rk3229_vop_intrs,
> +	.nintrs = ARRAY_SIZE(rk3229_vop_intrs),
> +	.status = VOP_REG(RK3229_INTR_STATUS0, 0xffffffff, 0),
> +	.clear = VOP_REG(RK3229_INTR_CLEAR0, 0xffffffff, 0),
> +	.enable = VOP_REG(RK3229_INTR_EN0, 0xffffffff, 0),
> +};
> +
> +static const struct vop_reg_data rk3229_vop_init_reg_table[] = {
> +};
> +
> +static const struct vop_data rk3229_vop = {
> +	.init_table = rk3229_vop_init_reg_table,
> +	.table_size = ARRAY_SIZE(rk3229_vop_init_reg_table),
> +	.intr = &rk3229_intr,
> +	.ctrl = &rk3229_ctrl_data,
> +	.win = rk3229_vop_win_data,
> +	.win_size = ARRAY_SIZE(rk3229_vop_win_data),
> +};
> +
>  static const struct vop_scl_regs rk3066_win_scl = {
>  	.scale_yrgb_x = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0),
>  	.scale_yrgb_y = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 16),
> @@ -240,6 +357,7 @@ static const int rk3036_vop_intrs[] = {
>  };
> 
>  static const struct vop_intr rk3036_intr = {
> +	.write_mask = false,
>  	.intrs = rk3036_vop_intrs,
>  	.nintrs = ARRAY_SIZE(rk3036_vop_intrs),
>  	.status = VOP_REG(RK3036_INT_STATUS, 0xf, 0),
> @@ -274,6 +392,8 @@ static const struct vop_data rk3036_vop = {
>  static const struct of_device_id vop_driver_dt_match[] = {
>  	{ .compatible = "rockchip,rk3288-vop",
>  	  .data = &rk3288_vop },
> +	{ .compatible = "rockchip,rk3229-vop",
> +	  .data = &rk3229_vop },
>  	{ .compatible = "rockchip,rk3036-vop",
>  	  .data = &rk3036_vop },
>  	{},
> diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h index d4b46cb..0280388
> 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h
> @@ -15,6 +15,96 @@
>  #ifndef _ROCKCHIP_VOP_REG_H
>  #define _ROCKCHIP_VOP_REG_H
> 
> +/* rk3229 register definition */
> +#define RK3229_REG_CFG_DONE			0x0000
> +#define RK3229_VERSION_INFO			0x0004
> +#define RK3229_SYS_CTRL				0x0008
> +#define RK3229_SYS_CTRL1			0x000c
> +#define RK3229_DSP_CTRL0			0x0010
> +#define RK3229_DSP_CTRL1			0x0014
> +#define RK3229_DSP_BG				0x0018
> +#define RK3229_WIN0_CTRL0			0x0030
> +#define RK3229_WIN0_CTRL1			0x0034
> +#define RK3229_WIN0_COLOR_KEY			0x0038
> +#define RK3229_WIN0_VIR				0x003c
> +#define RK3229_WIN0_YRGB_MST			0x0040
> +#define RK3229_WIN0_CBR_MST			0x0044
> +#define RK3229_WIN0_ACT_INFO			0x0048
> +#define RK3229_WIN0_DSP_INFO			0x004c
> +#define RK3229_WIN0_DSP_ST			0x0050
> +#define RK3229_WIN0_SCL_FACTOR_YRGB		0x0054
> +#define RK3229_WIN0_SCL_FACTOR_CBR		0x0058
> +#define RK3229_WIN0_SCL_OFFSET			0x005c
> +#define RK3229_WIN0_SRC_ALPHA_CTRL		0x0060
> +#define RK3229_WIN0_DST_ALPHA_CTRL		0x0064
> +#define RK3229_WIN0_FADING_CTRL			0x0068
> +/* win1 register */
> +#define RK3229_WIN1_CTRL0			0x0070
> +#define RK3229_WIN1_CTRL1			0x0074
> +#define RK3229_WIN1_COLOR_KEY			0x0078
> +#define RK3229_WIN1_VIR				0x007c
> +#define RK3229_WIN1_YRGB_MST			0x0080
> +#define RK3229_WIN1_CBR_MST			0x0084
> +#define RK3229_WIN1_ACT_INFO			0x0088
> +#define RK3229_WIN1_DSP_INFO			0x008c
> +#define RK3229_WIN1_DSP_ST			0x0090
> +#define RK3229_WIN1_SCL_FACTOR_YRGB		0x0094
> +#define RK3229_WIN1_SCL_FACTOR_CBR		0x0098
> +#define RK3229_WIN1_SCL_OFFSET			0x009c
> +#define RK3229_WIN1_SRC_ALPHA_CTRL		0x00a0
> +#define RK3229_WIN1_DST_ALPHA_CTRL		0x00a4
> +#define RK3229_WIN1_FADING_CTRL			0x00a8
> +#define RK3229_WIN1_CTRL2			0x00ac
> +/* hwc register */
> +#define RK3229_HWC_CTRL0			0x0150
> +#define RK3229_HWC_CTRL1			0x0154
> +#define RK3229_HWC_MST				0x0158
> +#define RK3229_HWC_DSP_ST			0x015c
> +#define RK3229_HWC_SRC_ALPHA_CTRL		0x0160
> +#define RK3229_HWC_DST_ALPHA_CTRL		0x0164
> +#define RK3229_HWC_FADING_CTRL			0x0168
> +#define RK3229_HWC_RESERVED			0x016c
> +/* post process register */
> +#define RK3229_POST_DSP_HACT_INFO		0x0170
> +#define RK3229_POST_DSP_VACT_INFO		0x0174
> +#define RK3229_POST_SCL_FACTOR_YRGB		0x0178
> +#define RK3229_POST_RESERVED			0x017c
> +#define RK3229_POST_SCL_CTRL			0x0180
> +#define RK3229_POST_DSP_VACT_INFO_F1		0x0184
> +#define RK3229_DSP_HTOTAL_HS_END		0x0188
> +#define RK3229_DSP_HACT_ST_END			0x018c
> +#define RK3229_DSP_VTOTAL_VS_END		0x0190
> +#define RK3229_DSP_VACT_ST_END			0x0194
> +#define RK3229_DSP_VS_ST_END_F1			0x0198
> +#define RK3229_DSP_VACT_ST_END_F1		0x019c
> +/* Brightness contrast */
> +#define RK3229_BCSH_COLOR_BAR			0x01b0
> +#define RK3229_BCSH_BCS				0x01b4
> +#define RK3229_BCSH_H				0x01b8
> +#define RK3229_BCSH_CTRL			0x01bc
> +/* FRC registers */
> +#define RK3229_FRC_LOWER01_0			0x01e8
> +#define RK3229_FRC_LOWER01_1			0x01ec
> +#define RK3229_FRC_LOWER10_0			0x01f0
> +#define RK3229_FRC_LOWER10_1			0x01f4
> +#define RK3229_FRC_LOWER11_0			0x01f8
> +#define RK3229_FRC_LOWER11_1			0x01fc
> +/* Interrupt registers */
> +#define RK3229_INTR_EN0				0x0280
> +#define RK3229_INTR_CLEAR0			0x0284
> +#define RK3229_INTR_STATUS0			0x0288
> +#define RK3229_INTR_RAW_STATUS0			0x028c
> +#define RK3229_INTR_EN1				0x0290
> +#define RK3229_INTR_CLEAR1			0x0294
> +#define RK3229_INTR_STATUS1			0x0298
> +#define RK3229_INTR_RAW_STATUS1			0x029c
> +#define RK3229_LINE_FLAG			0x02a0
> +#define RK3229_VOP_STATUS			0x02a4
> +#define RK3229_BLANKING_VALUE			0x02a8
> +#define RK3229_WIN0_DSP_BG			0x02b0
> +#define RK3229_WIN1_DSP_BG			0x02b4
> +/* register definition end */
> +
>  /* rk3288 register definition */
>  #define RK3288_REG_CFG_DONE			0x0000
>  #define RK3288_VERSION_INFO			0x0004

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