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

From: Heiko Stuebner
Date: Mon Jan 04 2016 - 07:24:13 EST


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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