diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_vop_reg.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c new file mode 100644 index 000000000000..3166b46a5893 --- /dev/null +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -0,0 +1,316 @@ +/* + * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd + * Author:Mark Yao <mark.yao@rock-chips.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <drm/drmP.h> + +#include <linux/kernel.h> +#include <linux/component.h> + +#include "rockchip_drm_vop.h" +#include "rockchip_vop_reg.h" + +#define VOP_REG(off, _mask, s) \ + {.offset = off, \ + .mask = _mask, \ + .shift = s,} + +static const uint32_t formats_win_full[] = { + DRM_FORMAT_XRGB8888, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, + DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, + DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, + DRM_FORMAT_NV12, + DRM_FORMAT_NV16, + DRM_FORMAT_NV24, +}; + +static const uint32_t formats_win_lite[] = { + DRM_FORMAT_XRGB8888, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, + DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, + DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, +}; + +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), + .cbcr_hsd_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 28), + .cbcr_ver_scl_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 26), + .cbcr_hor_scl_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 24), + .yrgb_vsd_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 23), + .yrgb_vsu_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 22), + .yrgb_hsd_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 20), + .yrgb_ver_scl_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 18), + .yrgb_hor_scl_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 16), + .line_load_mode = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 15), + .cbcr_axi_gather_num = VOP_REG(RK3288_WIN0_CTRL1, 0x7, 12), + .yrgb_axi_gather_num = VOP_REG(RK3288_WIN0_CTRL1, 0xf, 8), + .vsd_cbcr_gt2 = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 7), + .vsd_cbcr_gt4 = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 6), + .vsd_yrgb_gt2 = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 5), + .vsd_yrgb_gt4 = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 4), + .bic_coe_sel = VOP_REG(RK3288_WIN0_CTRL1, 0x3, 2), + .cbcr_axi_gather_en = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 1), + .yrgb_axi_gather_en = VOP_REG(RK3288_WIN0_CTRL1, 0x1, 0), + .lb_mode = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 5), +}; + +static const struct vop_scl_regs rk3288_win_full_scl = { + .ext = &rk3288_win_full_scl_ext, + .scale_yrgb_x = VOP_REG(RK3288_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0), + .scale_yrgb_y = VOP_REG(RK3288_WIN0_SCL_FACTOR_YRGB, 0xffff, 16), + .scale_cbcr_x = VOP_REG(RK3288_WIN0_SCL_FACTOR_CBR, 0xffff, 0x0), + .scale_cbcr_y = VOP_REG(RK3288_WIN0_SCL_FACTOR_CBR, 0xffff, 16), +}; + +static const struct vop_win_phy rk3288_win01_data = { + .scl = &rk3288_win_full_scl, + .data_formats = formats_win_full, + .nformats = ARRAY_SIZE(formats_win_full), + .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0), + .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12), + .act_info = VOP_REG(RK3288_WIN0_ACT_INFO, 0x1fff1fff, 0), + .dsp_info = VOP_REG(RK3288_WIN0_DSP_INFO, 0x0fff0fff, 0), + .dsp_st = VOP_REG(RK3288_WIN0_DSP_ST, 0x1fff1fff, 0), + .yrgb_mst = VOP_REG(RK3288_WIN0_YRGB_MST, 0xffffffff, 0), + .uv_mst = VOP_REG(RK3288_WIN0_CBR_MST, 0xffffffff, 0), + .yrgb_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 0), + .uv_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 16), + .src_alpha_ctl = VOP_REG(RK3288_WIN0_SRC_ALPHA_CTRL, 0xff, 0), + .dst_alpha_ctl = VOP_REG(RK3288_WIN0_DST_ALPHA_CTRL, 0xff, 0), +}; + +static const struct vop_win_phy rk3288_win23_data = { + .data_formats = formats_win_lite, + .nformats = ARRAY_SIZE(formats_win_lite), + .enable = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 0), + .format = VOP_REG(RK3288_WIN2_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 12), + .dsp_info = VOP_REG(RK3288_WIN2_DSP_INFO0, 0x0fff0fff, 0), + .dsp_st = VOP_REG(RK3288_WIN2_DSP_ST0, 0x1fff1fff, 0), + .yrgb_mst = VOP_REG(RK3288_WIN2_MST0, 0xffffffff, 0), + .yrgb_vir = VOP_REG(RK3288_WIN2_VIR0_1, 0x1fff, 0), + .src_alpha_ctl = VOP_REG(RK3288_WIN2_SRC_ALPHA_CTRL, 0xff, 0), + .dst_alpha_ctl = VOP_REG(RK3288_WIN2_DST_ALPHA_CTRL, 0xff, 0), +}; + +static const struct vop_ctrl rk3288_ctrl_data = { + .standby = VOP_REG(RK3288_SYS_CTRL, 0x1, 22), + .gate_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 23), + .mmu_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 20), + .rgb_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 12), + .hdmi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 13), + .edp_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 14), + .mipi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 15), + .dither_down = VOP_REG(RK3288_DSP_CTRL1, 0xf, 1), + .dither_up = VOP_REG(RK3288_DSP_CTRL1, 0x1, 6), + .data_blank = VOP_REG(RK3288_DSP_CTRL0, 0x1, 19), + .out_mode = VOP_REG(RK3288_DSP_CTRL0, 0xf, 0), + .pin_pol = VOP_REG(RK3288_DSP_CTRL0, 0xf, 4), + .htotal_pw = VOP_REG(RK3288_DSP_HTOTAL_HS_END, 0x1fff1fff, 0), + .hact_st_end = VOP_REG(RK3288_DSP_HACT_ST_END, 0x1fff1fff, 0), + .vtotal_pw = VOP_REG(RK3288_DSP_VTOTAL_VS_END, 0x1fff1fff, 0), + .vact_st_end = VOP_REG(RK3288_DSP_VACT_ST_END, 0x1fff1fff, 0), + .hpost_st_end = VOP_REG(RK3288_POST_DSP_HACT_INFO, 0x1fff1fff, 0), + .vpost_st_end = VOP_REG(RK3288_POST_DSP_VACT_INFO, 0x1fff1fff, 0), + .cfg_done = VOP_REG(RK3288_REG_CFG_DONE, 0x1, 0), +}; + +static const struct vop_reg_data rk3288_init_reg_table[] = { + {RK3288_SYS_CTRL, 0x00c00000}, + {RK3288_DSP_CTRL0, 0x00000000}, + {RK3288_WIN0_CTRL0, 0x00000080}, + {RK3288_WIN1_CTRL0, 0x00000080}, + /* TODO: Win2/3 support multiple area function, but we haven't found + * a suitable way to use it yet, so let's just use them as other windows + * with only area 0 enabled. + */ + {RK3288_WIN2_CTRL0, 0x00000010}, + {RK3288_WIN3_CTRL0, 0x00000010}, +}; + +/* + * Note: rk3288 has a dedicated 'cursor' window, however, that window requires + * special support to get alpha blending working. For now, just use overlay + * window 3 for the drm cursor. + * + */ +static const struct vop_win_data rk3288_vop_win_data[] = { + { .base = 0x00, .phy = &rk3288_win01_data, + .type = DRM_PLANE_TYPE_PRIMARY }, + { .base = 0x40, .phy = &rk3288_win01_data, + .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x00, .phy = &rk3288_win23_data, + .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &rk3288_win23_data, + .type = DRM_PLANE_TYPE_CURSOR }, +}; + +static const int rk3288_vop_intrs[] = { + DSP_HOLD_VALID_INTR, + FS_INTR, + LINE_FLAG_INTR, + BUS_ERROR_INTR, +}; + +static const struct vop_intr rk3288_vop_intr = { + .intrs = rk3288_vop_intrs, + .nintrs = ARRAY_SIZE(rk3288_vop_intrs), + .status = VOP_REG(RK3288_INTR_CTRL0, 0xf, 0), + .enable = VOP_REG(RK3288_INTR_CTRL0, 0xf, 4), + .clear = VOP_REG(RK3288_INTR_CTRL0, 0xf, 8), +}; + +static const struct vop_data rk3288_vop = { + .init_table = rk3288_init_reg_table, + .table_size = ARRAY_SIZE(rk3288_init_reg_table), + .intr = &rk3288_vop_intr, + .ctrl = &rk3288_ctrl_data, + .win = rk3288_vop_win_data, + .win_size = ARRAY_SIZE(rk3288_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), + .scale_cbcr_x = VOP_REG(RK3036_WIN0_SCL_FACTOR_CBR, 0xffff, 0x0), + .scale_cbcr_y = VOP_REG(RK3036_WIN0_SCL_FACTOR_CBR, 0xffff, 16), +}; + +static const struct vop_win_phy rk3036_win0_data = { + .scl = &rk3066_win_scl, + .data_formats = formats_win_full, + .nformats = ARRAY_SIZE(formats_win_full), + .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 0), + .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 3), + .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 15), + .act_info = VOP_REG(RK3036_WIN0_ACT_INFO, 0x1fff1fff, 0), + .dsp_info = VOP_REG(RK3036_WIN0_DSP_INFO, 0x0fff0fff, 0), + .dsp_st = VOP_REG(RK3036_WIN0_DSP_ST, 0x1fff1fff, 0), + .yrgb_mst = VOP_REG(RK3036_WIN0_YRGB_MST, 0xffffffff, 0), + .uv_mst = VOP_REG(RK3036_WIN0_CBR_MST, 0xffffffff, 0), + .yrgb_vir = VOP_REG(RK3036_WIN0_VIR, 0xffff, 0), +}; + +static const struct vop_win_phy rk3036_win1_data = { + .data_formats = formats_win_lite, + .nformats = ARRAY_SIZE(formats_win_lite), + .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1), + .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6), + .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19), + .act_info = VOP_REG(RK3036_WIN1_ACT_INFO, 0x1fff1fff, 0), + .dsp_info = VOP_REG(RK3036_WIN1_DSP_INFO, 0x0fff0fff, 0), + .dsp_st = VOP_REG(RK3036_WIN1_DSP_ST, 0x1fff1fff, 0), + .yrgb_mst = VOP_REG(RK3036_WIN1_MST, 0xffffffff, 0), + .yrgb_vir = VOP_REG(RK3036_WIN1_VIR, 0xffff, 0), +}; + +static const struct vop_win_data rk3036_vop_win_data[] = { + { .base = 0x00, .phy = &rk3036_win0_data, + .type = DRM_PLANE_TYPE_PRIMARY }, + { .base = 0x00, .phy = &rk3036_win1_data, + .type = DRM_PLANE_TYPE_CURSOR }, +}; + +static const int rk3036_vop_intrs[] = { + DSP_HOLD_VALID_INTR, + FS_INTR, + LINE_FLAG_INTR, + BUS_ERROR_INTR, +}; + +static const struct vop_intr rk3036_intr = { + .intrs = rk3036_vop_intrs, + .nintrs = ARRAY_SIZE(rk3036_vop_intrs), + .status = VOP_REG(RK3036_INT_STATUS, 0xf, 0), + .enable = VOP_REG(RK3036_INT_STATUS, 0xf, 4), + .clear = VOP_REG(RK3036_INT_STATUS, 0xf, 8), +}; + +static const struct vop_ctrl rk3036_ctrl_data = { + .standby = VOP_REG(RK3036_SYS_CTRL, 0x1, 30), + .out_mode = VOP_REG(RK3036_DSP_CTRL0, 0xf, 0), + .pin_pol = VOP_REG(RK3036_DSP_CTRL0, 0xf, 4), + .htotal_pw = VOP_REG(RK3036_DSP_HTOTAL_HS_END, 0x1fff1fff, 0), + .hact_st_end = VOP_REG(RK3036_DSP_HACT_ST_END, 0x1fff1fff, 0), + .vtotal_pw = VOP_REG(RK3036_DSP_VTOTAL_VS_END, 0x1fff1fff, 0), + .vact_st_end = VOP_REG(RK3036_DSP_VACT_ST_END, 0x1fff1fff, 0), + .cfg_done = VOP_REG(RK3036_REG_CFG_DONE, 0x1, 0), +}; + +static const struct vop_reg_data rk3036_vop_init_reg_table[] = { + {RK3036_DSP_CTRL1, 0x00000000}, +}; + +static const struct vop_data rk3036_vop = { + .init_table = rk3036_vop_init_reg_table, + .table_size = ARRAY_SIZE(rk3036_vop_init_reg_table), + .ctrl = &rk3036_ctrl_data, + .intr = &rk3036_intr, + .win = rk3036_vop_win_data, + .win_size = ARRAY_SIZE(rk3036_vop_win_data), +}; + +static const struct of_device_id vop_driver_dt_match[] = { + { .compatible = "rockchip,rk3288-vop", + .data = &rk3288_vop }, + { .compatible = "rockchip,rk3036-vop", + .data = &rk3036_vop }, + {}, +}; +MODULE_DEVICE_TABLE(of, vop_driver_dt_match); + +static int vop_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + + if (!dev->of_node) { + dev_err(dev, "can't find vop devices\n"); + return -ENODEV; + } + + return component_add(dev, &vop_component_ops); +} + +static int vop_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &vop_component_ops); + + return 0; +} + +struct platform_driver vop_platform_driver = { + .probe = vop_probe, + .remove = vop_remove, + .driver = { + .name = "rockchip-vop", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(vop_driver_dt_match), + }, +}; + +module_platform_driver(vop_platform_driver); + +MODULE_AUTHOR("Mark Yao <mark.yao@rock-chips.com>"); +MODULE_DESCRIPTION("ROCKCHIP VOP Driver"); +MODULE_LICENSE("GPL v2"); |