drivers/gpu/drm/rockchip/rockchip_vop_reg.c - linux-imx - Git at Google

 /*
  * 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, \
 		 .write_mask = false,}

 #define VOP_REG_MASK(off, _mask, s) \
 		{.offset = off, \
 		 .mask = _mask, \
 		 .shift = s, \
 		 .write_mask = true,}

 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_regs rk3036_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 = &rk3036_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),
 	.uv_vir = VOP_REG(RK3036_WIN0_VIR, 0x1fff, 16),
 };

 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),
 	.line_flag_num[0] = VOP_REG(RK3036_INT_STATUS, 0xfff, 12),
 	.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 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),
 	.line_flag_num[0] = VOP_REG(RK3288_INTR_CTRL0, 0x1fff, 12),
 	.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_ctrl rk3399_ctrl_data = {
 	.standby = VOP_REG(RK3399_SYS_CTRL, 0x1, 22),
 	.gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23),
 	.rgb_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 12),
 	.hdmi_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 13),
 	.edp_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 14),
 	.mipi_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 15),
 	.dither_down = VOP_REG(RK3399_DSP_CTRL1, 0xf, 1),
 	.dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6),
 	.data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19),
 	.out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0),
 	.rgb_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 16),
 	.hdmi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 20),
 	.edp_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 24),
 	.mipi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 28),
 	.htotal_pw = VOP_REG(RK3399_DSP_HTOTAL_HS_END, 0x1fff1fff, 0),
 	.hact_st_end = VOP_REG(RK3399_DSP_HACT_ST_END, 0x1fff1fff, 0),
 	.vtotal_pw = VOP_REG(RK3399_DSP_VTOTAL_VS_END, 0x1fff1fff, 0),
 	.vact_st_end = VOP_REG(RK3399_DSP_VACT_ST_END, 0x1fff1fff, 0),
 	.hpost_st_end = VOP_REG(RK3399_POST_DSP_HACT_INFO, 0x1fff1fff, 0),
 	.vpost_st_end = VOP_REG(RK3399_POST_DSP_VACT_INFO, 0x1fff1fff, 0),
 	.line_flag_num[0] = VOP_REG(RK3399_LINE_FLAG, 0xffff, 0),
 	.line_flag_num[1] = VOP_REG(RK3399_LINE_FLAG, 0xffff, 16),
 	.cfg_done = VOP_REG_MASK(RK3399_REG_CFG_DONE, 0x1, 0),
 };

 static const int rk3399_vop_intrs[] = {
 	FS_INTR,
 	0, 0,
 	LINE_FLAG_INTR,
 	0,
 	BUS_ERROR_INTR,
 	0, 0, 0, 0, 0, 0, 0,
 	DSP_HOLD_VALID_INTR,
 };

 static const struct vop_intr rk3399_vop_intr = {
 	.intrs = rk3399_vop_intrs,
 	.nintrs = ARRAY_SIZE(rk3399_vop_intrs),
 	.status = VOP_REG_MASK(RK3399_INTR_STATUS0, 0xffff, 0),
 	.enable = VOP_REG_MASK(RK3399_INTR_EN0, 0xffff, 0),
 	.clear = VOP_REG_MASK(RK3399_INTR_CLEAR0, 0xffff, 0),
 };

 static const struct vop_reg_data rk3399_init_reg_table[] = {
 	{RK3399_SYS_CTRL, 0x2000f800},
 	{RK3399_DSP_CTRL0, 0x00000000},
 	{RK3399_WIN0_CTRL0, 0x00000080},
 	{RK3399_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.
 	 */
 	{RK3399_WIN2_CTRL0, 0x00000010},
 	{RK3399_WIN3_CTRL0, 0x00000010},
 };

 static const struct vop_data rk3399_vop_big = {
 	.init_table = rk3399_init_reg_table,
 	.table_size = ARRAY_SIZE(rk3399_init_reg_table),
 	.intr = &rk3399_vop_intr,
 	.ctrl = &rk3399_ctrl_data,
 	/*
 	 * rk3399 vop big windows register layout is same as rk3288.
 	 */
 	.win = rk3288_vop_win_data,
 	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
 };

 static const struct vop_win_data rk3399_vop_lit_win_data[] = {
 	{ .base = 0x00, .phy = &rk3288_win01_data,
 	  .type = DRM_PLANE_TYPE_PRIMARY },
 	{ .base = 0x00, .phy = &rk3288_win23_data,
 	  .type = DRM_PLANE_TYPE_CURSOR},
 };

 static const struct vop_data rk3399_vop_lit = {
 	.init_table = rk3399_init_reg_table,
 	.table_size = ARRAY_SIZE(rk3399_init_reg_table),
 	.intr = &rk3399_vop_intr,
 	.ctrl = &rk3399_ctrl_data,
 	/*
 	 * rk3399 vop lit windows register layout is same as rk3288,
 	 * but cut off the win1 and win3 windows.
 	 */
 	.win = rk3399_vop_lit_win_data,
 	.win_size = ARRAY_SIZE(rk3399_vop_lit_win_data),
 };

 static const struct of_device_id vop_driver_dt_match[] = {
 	{ .compatible = "rockchip,rk3036-vop",
 	  .data = &rk3036_vop },
 	{ .compatible = "rockchip,rk3288-vop",
 	  .data = &rk3288_vop },
 	{ .compatible = "rockchip,rk3399-vop-big",
 	  .data = &rk3399_vop_big },
 	{ .compatible = "rockchip,rk3399-vop-lit",
 	  .data = &rk3399_vop_lit },
 	{},
 };
 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;
 }

 static struct platform_driver vop_platform_driver = {
 	.probe = vop_probe,
 	.remove = vop_remove,
 	.driver = {
 		.name = "rockchip-vop",
 		.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");
	/*
	* 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, \
	.write_mask = false,}

	#define VOP_REG_MASK(off, _mask, s) \
	{.offset = off, \
	.mask = _mask, \
	.shift = s, \
	.write_mask = true,}

	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_regs rk3036_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 = &rk3036_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),
	.uv_vir = VOP_REG(RK3036_WIN0_VIR, 0x1fff, 16),
	};

	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),
	.line_flag_num[0] = VOP_REG(RK3036_INT_STATUS, 0xfff, 12),
	.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 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),
	.line_flag_num[0] = VOP_REG(RK3288_INTR_CTRL0, 0x1fff, 12),
	.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_ctrl rk3399_ctrl_data = {
	.standby = VOP_REG(RK3399_SYS_CTRL, 0x1, 22),
	.gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23),
	.rgb_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 12),
	.hdmi_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 13),
	.edp_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 14),
	.mipi_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 15),
	.dither_down = VOP_REG(RK3399_DSP_CTRL1, 0xf, 1),
	.dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6),
	.data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19),
	.out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0),
	.rgb_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 16),
	.hdmi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 20),
	.edp_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 24),
	.mipi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 28),
	.htotal_pw = VOP_REG(RK3399_DSP_HTOTAL_HS_END, 0x1fff1fff, 0),
	.hact_st_end = VOP_REG(RK3399_DSP_HACT_ST_END, 0x1fff1fff, 0),
	.vtotal_pw = VOP_REG(RK3399_DSP_VTOTAL_VS_END, 0x1fff1fff, 0),
	.vact_st_end = VOP_REG(RK3399_DSP_VACT_ST_END, 0x1fff1fff, 0),
	.hpost_st_end = VOP_REG(RK3399_POST_DSP_HACT_INFO, 0x1fff1fff, 0),
	.vpost_st_end = VOP_REG(RK3399_POST_DSP_VACT_INFO, 0x1fff1fff, 0),
	.line_flag_num[0] = VOP_REG(RK3399_LINE_FLAG, 0xffff, 0),
	.line_flag_num[1] = VOP_REG(RK3399_LINE_FLAG, 0xffff, 16),
	.cfg_done = VOP_REG_MASK(RK3399_REG_CFG_DONE, 0x1, 0),
	};

	static const int rk3399_vop_intrs[] = {
	FS_INTR,
	0, 0,
	LINE_FLAG_INTR,
	0,
	BUS_ERROR_INTR,
	0, 0, 0, 0, 0, 0, 0,
	DSP_HOLD_VALID_INTR,
	};

	static const struct vop_intr rk3399_vop_intr = {
	.intrs = rk3399_vop_intrs,
	.nintrs = ARRAY_SIZE(rk3399_vop_intrs),
	.status = VOP_REG_MASK(RK3399_INTR_STATUS0, 0xffff, 0),
	.enable = VOP_REG_MASK(RK3399_INTR_EN0, 0xffff, 0),
	.clear = VOP_REG_MASK(RK3399_INTR_CLEAR0, 0xffff, 0),
	};

	static const struct vop_reg_data rk3399_init_reg_table[] = {
	{RK3399_SYS_CTRL, 0x2000f800},
	{RK3399_DSP_CTRL0, 0x00000000},
	{RK3399_WIN0_CTRL0, 0x00000080},
	{RK3399_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.
	*/
	{RK3399_WIN2_CTRL0, 0x00000010},
	{RK3399_WIN3_CTRL0, 0x00000010},
	};

	static const struct vop_data rk3399_vop_big = {
	.init_table = rk3399_init_reg_table,
	.table_size = ARRAY_SIZE(rk3399_init_reg_table),
	.intr = &rk3399_vop_intr,
	.ctrl = &rk3399_ctrl_data,
	/*
	* rk3399 vop big windows register layout is same as rk3288.
	*/
	.win = rk3288_vop_win_data,
	.win_size = ARRAY_SIZE(rk3288_vop_win_data),
	};

	static const struct vop_win_data rk3399_vop_lit_win_data[] = {
	{ .base = 0x00, .phy = &rk3288_win01_data,
	.type = DRM_PLANE_TYPE_PRIMARY },
	{ .base = 0x00, .phy = &rk3288_win23_data,
	.type = DRM_PLANE_TYPE_CURSOR},
	};

	static const struct vop_data rk3399_vop_lit = {
	.init_table = rk3399_init_reg_table,
	.table_size = ARRAY_SIZE(rk3399_init_reg_table),
	.intr = &rk3399_vop_intr,
	.ctrl = &rk3399_ctrl_data,
	/*
	* rk3399 vop lit windows register layout is same as rk3288,
	* but cut off the win1 and win3 windows.
	*/
	.win = rk3399_vop_lit_win_data,
	.win_size = ARRAY_SIZE(rk3399_vop_lit_win_data),
	};

	static const struct of_device_id vop_driver_dt_match[] = {
	{ .compatible = "rockchip,rk3036-vop",
	.data = &rk3036_vop },
	{ .compatible = "rockchip,rk3288-vop",
	.data = &rk3288_vop },
	{ .compatible = "rockchip,rk3399-vop-big",
	.data = &rk3399_vop_big },
	{ .compatible = "rockchip,rk3399-vop-lit",
	.data = &rk3399_vop_lit },
	{},
	};
	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;
	}

	static struct platform_driver vop_platform_driver = {
	.probe = vop_probe,
	.remove = vop_remove,
	.driver = {
	.name = "rockchip-vop",
	.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");