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/*
* 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_01[] = {
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_234[] = {
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 win_full_ext = {
.cbcr_vsd_mode = VOP_REG(WIN0_CTRL1, 0x1, 31),
.cbcr_vsu_mode = VOP_REG(WIN0_CTRL1, 0x1, 30),
.cbcr_hsd_mode = VOP_REG(WIN0_CTRL1, 0x3, 28),
.cbcr_ver_scl_mode = VOP_REG(WIN0_CTRL1, 0x3, 26),
.cbcr_hor_scl_mode = VOP_REG(WIN0_CTRL1, 0x3, 24),
.yrgb_vsd_mode = VOP_REG(WIN0_CTRL1, 0x1, 23),
.yrgb_vsu_mode = VOP_REG(WIN0_CTRL1, 0x1, 22),
.yrgb_hsd_mode = VOP_REG(WIN0_CTRL1, 0x3, 20),
.yrgb_ver_scl_mode = VOP_REG(WIN0_CTRL1, 0x3, 18),
.yrgb_hor_scl_mode = VOP_REG(WIN0_CTRL1, 0x3, 16),
.line_load_mode = VOP_REG(WIN0_CTRL1, 0x1, 15),
.cbcr_axi_gather_num = VOP_REG(WIN0_CTRL1, 0x7, 12),
.yrgb_axi_gather_num = VOP_REG(WIN0_CTRL1, 0xf, 8),
.vsd_cbcr_gt2 = VOP_REG(WIN0_CTRL1, 0x1, 7),
.vsd_cbcr_gt4 = VOP_REG(WIN0_CTRL1, 0x1, 6),
.vsd_yrgb_gt2 = VOP_REG(WIN0_CTRL1, 0x1, 5),
.vsd_yrgb_gt4 = VOP_REG(WIN0_CTRL1, 0x1, 4),
.bic_coe_sel = VOP_REG(WIN0_CTRL1, 0x3, 2),
.cbcr_axi_gather_en = VOP_REG(WIN0_CTRL1, 0x1, 1),
.yrgb_axi_gather_en = VOP_REG(WIN0_CTRL1, 0x1, 0),
.lb_mode = VOP_REG(WIN0_CTRL0, 0x7, 5),
};
static const struct vop_scl_regs win_full_scl = {
.scale_yrgb_x = VOP_REG(WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0),
.scale_yrgb_y = VOP_REG(WIN0_SCL_FACTOR_YRGB, 0xffff, 16),
.scale_cbcr_x = VOP_REG(WIN0_SCL_FACTOR_CBR, 0xffff, 0x0),
.scale_cbcr_y = VOP_REG(WIN0_SCL_FACTOR_CBR, 0xffff, 16),
};
static const struct vop_win_phy win01_data = {
.scl = &win_full_scl,
.data_formats = formats_01,
.nformats = ARRAY_SIZE(formats_01),
.enable = VOP_REG(WIN0_CTRL0, 0x1, 0),
.format = VOP_REG(WIN0_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(WIN0_CTRL0, 0x1, 12),
.act_info = VOP_REG(WIN0_ACT_INFO, 0x1fff1fff, 0),
.dsp_info = VOP_REG(WIN0_DSP_INFO, 0x0fff0fff, 0),
.dsp_st = VOP_REG(WIN0_DSP_ST, 0x1fff1fff, 0),
.yrgb_mst = VOP_REG(WIN0_YRGB_MST, 0xffffffff, 0),
.uv_mst = VOP_REG(WIN0_CBR_MST, 0xffffffff, 0),
.yrgb_vir = VOP_REG(WIN0_VIR, 0x3fff, 0),
.uv_vir = VOP_REG(WIN0_VIR, 0x3fff, 16),
.src_alpha_ctl = VOP_REG(WIN0_SRC_ALPHA_CTRL, 0xff, 0),
.dst_alpha_ctl = VOP_REG(WIN0_DST_ALPHA_CTRL, 0xff, 0),
};
static const struct vop_win_phy win23_data = {
.data_formats = formats_234,
.nformats = ARRAY_SIZE(formats_234),
.enable = VOP_REG(WIN2_CTRL0, 0x1, 0),
.format = VOP_REG(WIN2_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(WIN2_CTRL0, 0x1, 12),
.dsp_info = VOP_REG(WIN2_DSP_INFO0, 0x0fff0fff, 0),
.dsp_st = VOP_REG(WIN2_DSP_ST0, 0x1fff1fff, 0),
.yrgb_mst = VOP_REG(WIN2_MST0, 0xffffffff, 0),
.yrgb_vir = VOP_REG(WIN2_VIR0_1, 0x1fff, 0),
.src_alpha_ctl = VOP_REG(WIN2_SRC_ALPHA_CTRL, 0xff, 0),
.dst_alpha_ctl = VOP_REG(WIN2_DST_ALPHA_CTRL, 0xff, 0),
};
static const struct vop_ctrl ctrl_data = {
.standby = VOP_REG(SYS_CTRL, 0x1, 22),
.gate_en = VOP_REG(SYS_CTRL, 0x1, 23),
.mmu_en = VOP_REG(SYS_CTRL, 0x1, 20),
.rgb_en = VOP_REG(SYS_CTRL, 0x1, 12),
.hdmi_en = VOP_REG(SYS_CTRL, 0x1, 13),
.edp_en = VOP_REG(SYS_CTRL, 0x1, 14),
.mipi_en = VOP_REG(SYS_CTRL, 0x1, 15),
.dither_down = VOP_REG(DSP_CTRL1, 0xf, 1),
.dither_up = VOP_REG(DSP_CTRL1, 0x1, 6),
.data_blank = VOP_REG(DSP_CTRL0, 0x1, 19),
.out_mode = VOP_REG(DSP_CTRL0, 0xf, 0),
.pin_pol = VOP_REG(DSP_CTRL0, 0xf, 4),
.htotal_pw = VOP_REG(DSP_HTOTAL_HS_END, 0x1fff1fff, 0),
.hact_st_end = VOP_REG(DSP_HACT_ST_END, 0x1fff1fff, 0),
.vtotal_pw = VOP_REG(DSP_VTOTAL_VS_END, 0x1fff1fff, 0),
.vact_st_end = VOP_REG(DSP_VACT_ST_END, 0x1fff1fff, 0),
.hpost_st_end = VOP_REG(POST_DSP_HACT_INFO, 0x1fff1fff, 0),
.vpost_st_end = VOP_REG(POST_DSP_VACT_INFO, 0x1fff1fff, 0),
.cfg_done = VOP_REG(REG_CFG_DONE, 0x1, 0),
};
static const struct vop_reg_data vop_init_reg_table[] = {
{SYS_CTRL, 0x00c00000},
{DSP_CTRL0, 0x00000000},
{WIN0_CTRL0, 0x00000080},
{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.
*/
{WIN2_CTRL0, 0x00000010},
{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 = &win01_data, .type = DRM_PLANE_TYPE_PRIMARY },
{ .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_OVERLAY },
{ .base = 0x00, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY },
{ .base = 0x50, .phy = &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(INTR_CTRL0, 0xf, 0),
.enable = VOP_REG(INTR_CTRL0, 0xf, 4),
.clear = VOP_REG(INTR_CTRL0, 0xf, 8),
};
static const struct vop_data rk3288_vop = {
.init_table = vop_init_reg_table,
.intr = &rk3288_vop_intr,
.table_size = ARRAY_SIZE(vop_init_reg_table),
.ctrl = &ctrl_data,
.win = rk3288_vop_win_data,
.win_size = ARRAY_SIZE(rk3288_vop_win_data),
};
static const struct of_device_id vop_driver_dt_match[] = {
{ .compatible = "rockchip,rk3288-vop",
.data = &rk3288_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");
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