Add crtc funcs and helper funcs for ADE.
Signed-off-by: Xinliang Liu <xinliang.liu@xxxxxxxxxx>
Signed-off-by: Xinwei Kong <kong.kongxinwei@xxxxxxxxxxxxx>
Signed-off-by: Andy Green <andy.green@xxxxxxxxxx>
---
drivers/gpu/drm/hisilicon/Makefile | 3 +-
drivers/gpu/drm/hisilicon/hisi_ade_reg.h | 490 +++++++++++++++++++++++++++++
drivers/gpu/drm/hisilicon/hisi_drm_ade.c | 511 +++++++++++++++++++++++++++++++
drivers/gpu/drm/hisilicon/hisi_drm_drv.c | 15 +
drivers/gpu/drm/hisilicon/hisi_drm_drv.h | 16 +
5 files changed, 1034 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/hisilicon/hisi_ade_reg.h
create mode 100644 drivers/gpu/drm/hisilicon/hisi_drm_ade.c
create mode 100644 drivers/gpu/drm/hisilicon/hisi_drm_drv.h
diff --git a/drivers/gpu/drm/hisilicon/Makefile b/drivers/gpu/drm/hisilicon/Makefile
index 7375456..3433c8b 100644
--- a/drivers/gpu/drm/hisilicon/Makefile
+++ b/drivers/gpu/drm/hisilicon/Makefile
@@ -1,3 +1,4 @@
-hisi-drm-y := hisi_drm_drv.o
+hisi-drm-y := hisi_drm_drv.o \
+ hisi_drm_ade.o
obj-$(CONFIG_DRM_HISI) += hisi-drm.o
diff --git a/drivers/gpu/drm/hisilicon/hisi_ade_reg.h b/drivers/gpu/drm/hisilicon/hisi_ade_reg.h
new file mode 100644
index 0000000..6a7bc46
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/hisi_ade_reg.h
@@ -0,0 +1,490 @@
+/*
+ * Copyright (c) 2014-2015 Hisilicon Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __HISI_ADE_REG_H__
+#define __HISI_ADE_REG_H__
+
+/*
+ * ADE Registers Offset
+ */
+#define ADE_CTRL (0x4)
+#define ADE_CTRL1 (0x8C)
+#define ADE_ROT_SRC_CFG (0x10)
+#define ADE_DISP_SRC_CFG (0x18)
+#define ADE_WDMA2_SRC_CFG (0x1C)
+#define ADE_SEC_OVLY_SRC_CFG (0x20)
+#define ADE_WDMA3_SRC_CFG (0x24)
+#define ADE_OVLY1_TRANS_CFG (0x2C)
+#define ADE_EN (0x100)
+#define INTR_MASK_CPU_0 (0xC10)
+#define INTR_MASK_CPU_1 (0xC14)
+#define ADE_FRM_DISGARD_CTRL (0xA4)
+/* reset and reload regs */
+#define ADE_SOFT_RST_SEL0 (0x78)
+#define ADE_SOFT_RST_SEL1 (0x7C)
+#define ADE_RELOAD_DIS0 (0xAC)
+#define ADE_RELOAD_DIS1 (0xB0)
+#define ADE_CH_RDMA_BIT_OFST (0)
+#define ADE_CLIP_BIT_OFST (15)
+#define ADE_SCL_BIT_OFST (21)
+#define ADE_CTRAN_BIT_OFST (24)
+#define ADE_OVLY_BIT_OFST (37) /* 32+5 */
+/* channel regs */
+#define RD_CH_PE(x) (0x1000 + (x) * 0x80)
+#define RD_CH_CTRL(x) (0x1004 + (x) * 0x80)
+#define RD_CH_ADDR(x) (0x1008 + (x) * 0x80)
+#define RD_CH_SIZE(x) (0x100C + (x) * 0x80)
+#define RD_CH_STRIDE(x) (0x1010 + (x) * 0x80)
+#define RD_CH_SPACE(x) (0x1014 + (x) * 0x80)
+#define RD_CH_PARTIAL_SIZE(x) (0x1018 + (x) * 0x80)
+#define RD_CH_PARTIAL_SPACE(x) (0x101C + (x) * 0x80)
+#define RD_CH_EN(x) (0x1020 + (x) * 0x80)
+#define RD_CH_STATUS(x) (0x1024 + (x) * 0x80)
+#define RD_CH_DISP_CTRL (0x1404)
+#define RD_CH_DISP_ADDR (0x1408)
+#define RD_CH_DISP_SIZE (0x140C)
+#define RD_CH_DISP_STRIDE (0x1410)
+#define RD_CH_DISP_SPACE (0x1414)
+#define RD_CH_DISP_EN (0x142C)
+/* clip regs */
+#define ADE_CLIP_DISABLE(x) (0x6800 + (x) * 0x100)
+#define ADE_CLIP_SIZE0(x) (0x6804 + (x) * 0x100)
+#define ADE_CLIP_SIZE1(x) (0x6808 + (x) * 0x100)
+#define ADE_CLIP_SIZE2(x) (0x680C + (x) * 0x100)
+#define ADE_CLIP_CFG_OK(x) (0x6810 + (x) * 0x100)
+/* scale regs */
+#define ADE_SCL1_MUX_CFG (0xC)
+#define ADE_SCL2_SRC_CFG (0x14)
+#define ADE_SCL3_MUX_CFG (0x8)
+#define ADE_SCL_CTRL(x) (0x3000 + (x) * 0x800)
+#define ADE_SCL_HSP(x) (0x3004 + (x) * 0x800)
+#define ADE_SCL_UV_HSP(x) (0x3008 + (x) * 0x800)
+#define ADE_SCL_VSP(x) (0x300C + (x) * 0x800)
+#define ADE_SCL_UV_VSP(x) (0x3010 + (x) * 0x800)
+#define ADE_SCL_ORES(x) (0x3014 + (x) * 0x800)
+#define ADE_SCL_IRES(x) (0x3018 + (x) * 0x800)
+#define ADE_SCL_START(x) (0x301C + (x) * 0x800)
+#define ADE_SCL_ERR(x) (0x3020 + (x) * 0x800)
+#define ADE_SCL_PIX_OFST(x) (0x3024 + (x) * 0x800)
+#define ADE_SCL_UV_PIX_OFST(x) (0x3028 + (x) * 0x800)
+#define ADE_SCL_COEF_CLR(x) (0x3030 + (x) * 0x800)
+#define ADE_SCL_HCOEF(x, m, n) (0x3100 + (x) * 0x800 + \
+ 12 * (m) + 4 * (n))
+#define ADE_SCL_VCOEF(x, i, j) (0x340C + (x) * 0x800 + \
+ 12 * (i) + 4 * (j))
+/* ctran regs */
+#define ADE_CTRAN5_TRANS_CFG (0x40)
+#define ADE_CTRAN_DIS(x) (0x5004 + (x) * 0x100)
+#define ADE_CTRAN_MODE_CHOOSE(x) (0x5008 + (x) * 0x100)
+#define ADE_CTRAN_STAT(x) (0x500C + (x) * 0x100)
+#define ADE_CTRAN_CHDC0(x) (0x5010 + (x) * 0x100)
+#define ADE_CTRAN_CHDC1(x) (0x5014 + (x) * 0x100)
+#define ADE_CTRAN_CHDC2(x) (0x5018 + (x) * 0x100)
+#define ADE_CTRAN_CHDC3(x) (0x501C + (x) * 0x100)
+#define ADE_CTRAN_CHDC4(x) (0x5020 + (x) * 0x100)
+#define ADE_CTRAN_CHDC5(x) (0x5024 + (x) * 0x100)
+#define ADE_CTRAN_CSC0(x) (0x5028 + (x) * 0x100)
+#define ADE_CTRAN_CSC1(x) (0x502C + (x) * 0x100)
+#define ADE_CTRAN_CSC2(x) (0x5030 + (x) * 0x100)
+#define ADE_CTRAN_CSC3(x) (0x5034 + (x) * 0x100)
+#define ADE_CTRAN_CSC4(x) (0x5038 + (x) * 0x100)
+#define ADE_CTRAN_IMAGE_SIZE(x) (0x503C + (x) * 0x100)
+#define ADE_CTRAN_CFG_OK(x) (0x5040 + (x) * 0x100)
+/* overlay regs */
+#define ADE_OVLY_ALPHA_ST (0x2000)
+#define ADE_OVLY_CH_XY0(x) (0x2004 + (x) * 4)
+#define ADE_OVLY_CH_XY1(x) (0x2024 + (x) * 4)
+#define ADE_OVLY_CH_CTL(x) (0x204C + (x) * 4)
+#define ADE_OVLY_OUTPUT_SIZE(x) (0x2070 + (x) * 8)
+#define ADE_OVLY_BASE_COLOR(x) (0x2074 + (x) * 8)
+#define ADE_OVLYX_CTL(x) (0x209C + (x) * 4)
+#define ADE_OVLY_CTL (0x98)
+#define ADE_OVLY_CH_ALP_MODE_OFST (0)
+#define ADE_OVLY_CH_ALP_SEL_OFST (2)
+#define ADE_OVLY_CH_UNDER_ALP_SEL_OFST (4)
+#define ADE_OVLY_CH_EN_OFST (6)
+#define ADE_OVLY_CH_ALP_GBL_OFST (15)
+#define ADE_OVLY_CH_SEL_OFST (28)
+
+/*
+ * media regs
+ */
+#define SC_MEDIA_RSTDIS (0x530)
+#define SC_MEDIA_RSTEN (0x52C)
+
+/*
+ * regs relevant enum
+ */
+enum {
+ LDI_TEST = 0,
+ LDI_WORK
+};
+
+enum {
+ LDI_ISR_FRAME_END_INT = 0x2,
+ LDI_ISR_UNDER_FLOW_INT = 0x4
+};
+
+enum {
+ ADE_ISR1_RES_SWITCH_CMPL = 0x80000000
+};
+
+enum {
+ LDI_DISP_MODE_NOT_3D_FBF = 0,
+ LDI_DISP_MODE_3D_FBF
+};
+
+enum {
+ ADE_RGB = 0,
+ ADE_BGR
+};
+
+enum {
+ ADE_DISABLE = 0,
+ ADE_ENABLE
+};
+
+enum {
+ ADE_OUT_RGB_565 = 0,
+ ADE_OUT_RGB_666,
+ ADE_OUT_RGB_888
+};
+
+/*
+ * ADE read as big-endian, so revert the
+ * rgb order described in the SoC datasheet
+ */
+enum ADE_FORMAT {
+ ADE_RGB_565 = 0,
+ ADE_BGR_565,
+ ADE_XRGB_8888,
+ ADE_XBGR_8888,
+ ADE_ARGB_8888,
+ ADE_ABGR_8888,
+ ADE_RGBA_8888,
+ ADE_BGRA_8888,
+ ADE_RGB_888,
+ ADE_BGR_888 = 9,
+ ADE_FORMAT_NOT_SUPPORT = 800
+};
+
+/* ldi src cfg */
+enum {
+ TOP_DISP_SRC_NONE = 0,
+ TOP_DISP_SRC_OVLY2,
+ TOP_DISP_SRC_DISP,
+ TOP_DISP_SRC_ROT,
+ TOP_DISP_SRC_SCL2
+};
+
+enum {
+ ADE_ISR_DMA_ERROR = 0x2000000
+};
+
+enum ade_channel {
+ ADE_CH1 = 0, /* channel 1 for primary plane */
+ ADE_CH_NUM
+};
+
+enum ade_scale {
+ ADE_SCL1 = 0,
+ ADE_SCL2,
+ ADE_SCL3,
+ ADE_SCL_NUM
+};
+
+enum ade_ctran {
+ ADE_CTRAN1 = 0,
+ ADE_CTRAN2,
+ ADE_CTRAN3,
+ ADE_CTRAN4,
+ ADE_CTRAN5,
+ ADE_CTRAN6,
+ ADE_CTRAN_NUM
+};
+
+enum ade_overlay {
+ ADE_OVLY1 = 0,
+ ADE_OVLY2,
+ ADE_OVLY3,
+ ADE_OVLY_NUM
+};
+
+enum {
+ ADE_ALP_GLOBAL = 0,
+ ADE_ALP_PIXEL,
+ ADE_ALP_PIXEL_AND_GLB
+};
+
+enum {
+ ADE_ALP_MUL_COEFF_0 = 0, /* alpha */
+ ADE_ALP_MUL_COEFF_1, /* 1-alpha */
+ ADE_ALP_MUL_COEFF_2, /* 0 */
+ ADE_ALP_MUL_COEFF_3 /* 1 */
+};
+
+/*
+ * ADE Register Union Struct
+ */
+union U_ADE_CTRL1 {
+struct {
+ unsigned int auto_clk_gate_en :1;
+ unsigned int rot_buf_shr_out :1;
+ unsigned int reserved_44 :30;
+ } bits;
+ unsigned int u32;
+};
+
+union U_ADE_SOFT_RST_SEL0 {
+struct {
+ unsigned int ch1_rdma_srst_sel :1;
+ unsigned int ch2_rdma_srst_sel :1;
+ unsigned int ch3_rdma_srst_sel :1;
+ unsigned int ch4_rdma_srst_sel :1;
+ unsigned int ch5_rdma_srst_sel :1;
+ unsigned int ch6_rdma_srst_sel :1;
+ unsigned int disp_rdma_srst_sel :1;
+ unsigned int cmdq1_rdma_srst_sel :1;
+ unsigned int cmdq2_rdma_srst_sel :1;
+ unsigned int reserved_29 :1;
+ unsigned int ch1_wdma_srst_sel :1;
+ unsigned int ch2_wdma_srst_sel :1;
+ unsigned int ch3_wdma_srst_sel :1;
+ unsigned int reserved_28 :1;
+ unsigned int cmdq_wdma_srst_sel :1;
+ unsigned int clip1_srst_sel :1;
+ unsigned int clip2_srst_sel :1;
+ unsigned int clip3_srst_sel :1;
+ unsigned int clip4_srst_sel :1;
+ unsigned int clip5_srst_sel :1;
+ unsigned int clip6_srst_sel :1;
+ unsigned int scl1_srst_sel :1;
+ unsigned int scl2_srst_sel :1;
+ unsigned int scl3_srst_sel :1;
+ unsigned int ctran1_srst_sel :1;
+ unsigned int ctran2_srst_sel :1;
+ unsigned int ctran3_srst_sel :1;
+ unsigned int ctran4_srst_sel :1;
+ unsigned int ctran5_srst_sel :1;
+ unsigned int ctran6_srst_sel :1;
+ unsigned int rot_srst_sel :1;
+ unsigned int reserved_27 :1;
+ } bits;
+ unsigned int u32;
+};
+
+union U_ADE_CTRL {
+struct {
+ unsigned int frm_end_start :2;
+ unsigned int dfs_buf_cfg :1;
+ unsigned int rot_buf_cfg :3;
+ unsigned int rd_ch5_nv :1;
+ unsigned int rd_ch6_nv :1;
+ unsigned int dfs_buf_unflow_lev1 :13;
+ unsigned int dfs_buf_unflow_lev2 :11;
+ } bits;
+ unsigned int u32;
+};
+
+/*
+ * ADE Register Write/Read functions
+ */
+static inline void set_TOP_CTL_clk_gate_en(u8 *base, u32 val)
+{
+ union U_ADE_CTRL1 ade_ctrl1;
+ u8 *reg_addr = base + ADE_CTRL1;
+
+ ade_ctrl1.u32 = readl(reg_addr);
+ ade_ctrl1.bits.auto_clk_gate_en = val;
+ writel(ade_ctrl1.u32, reg_addr);
+}
+
+static inline void set_TOP_SOFT_RST_SEL0_disp_rdma(u8 *base, u32 val)
+{
+ union U_ADE_SOFT_RST_SEL0 ade_soft_rst;
+ u8 *addr = base + ADE_SOFT_RST_SEL0;
+
+ ade_soft_rst.u32 = readl(addr);
+ ade_soft_rst.bits.disp_rdma_srst_sel = val;
+ writel(ade_soft_rst.u32, addr);
+}
+
+static inline void set_TOP_SOFT_RST_SEL0_ctran5(u8 *base, u32 val)
+{
+ union U_ADE_SOFT_RST_SEL0 ade_soft_rst;
+ u8 *addr = base + ADE_SOFT_RST_SEL0;
+
+ ade_soft_rst.u32 = readl(addr);
+ ade_soft_rst.bits.ctran5_srst_sel = val;
+ writel(ade_soft_rst.u32, addr);
+}
+
+static inline void set_TOP_SOFT_RST_SEL0_ctran6(u8 *base, u32 val)
+{
+ union U_ADE_SOFT_RST_SEL0 ade_soft_rst;
+ u8 *addr = base + ADE_SOFT_RST_SEL0;
+
+ ade_soft_rst.u32 = readl(addr);
+ ade_soft_rst.bits.ctran6_srst_sel = val;
+ writel(ade_soft_rst.u32, addr);
+}
+
+static inline void set_TOP_CTL_frm_end_start(u8 *base, u32 val)
+{
+ union U_ADE_CTRL ade_ctrl;
+ u8 *reg_addr = base + ADE_CTRL;
+
+ ade_ctrl.u32 = readl(reg_addr);
+ ade_ctrl.bits.frm_end_start = val;
+ writel(ade_ctrl.u32, reg_addr);
+}
+
+/*
+ * LDI Registers Offset
+ */
+#define LDI_HRZ_CTRL0 (0x7400)
+#define LDI_HRZ_CTRL1 (0x7404)
+#define LDI_VRT_CTRL0 (0x7408)
+#define LDI_VRT_CTRL1 (0x740C)
+#define LDI_PLR_CTRL (0x7410)
+#define LDI_DSP_SIZE (0x7414)
+#define LDI_INT_EN (0x741C)
+#define LDI_CTRL (0x7420)
+#define LDI_ORG_INT (0x7424)
+#define LDI_MSK_INT (0x7428)
+#define LDI_INT_CLR (0x742C)
+#define LDI_WORK_MODE (0x7430)
+#define LDI_DE_SPACE_LOW (0x7438)
+#define LDI_MCU_INTS (0x7450)
+#define LDI_MCU_INTE (0x7454)
+#define LDI_MCU_INTC (0x7458)
+#define LDI_HDMI_DSI_GT (0x7434)
+
+/*
+ * LDI Timing Polarity defines
+ */
+#define HISI_LDI_FLAG_NVSYNC BIT(0)
+#define HISI_LDI_FLAG_NHSYNC BIT(1)
+#define HISI_LDI_FLAG_NPIXCLK BIT(2)
+#define HISI_LDI_FLAG_NDE BIT(3)
+
+/*
+ * LDI Register Union Struct
+ */
+union U_LDI_CTRL {
+struct {
+ unsigned int ldi_en :1;
+ unsigned int disp_mode_buf :1;
+ unsigned int date_gate_en :1;
+ unsigned int bpp :2;
+ unsigned int wait_vsync_en :1;
+ unsigned int corlorbar_width :7;
+ unsigned int bgr :1;
+ unsigned int color_mode :1;
+ unsigned int shutdown :1;
+ unsigned int vactive_line :12;
+ unsigned int ldi_en_self_clr :1;
+ unsigned int reserved_573 :3;
+ } bits;
+ unsigned int u32;
+};
+
+union U_LDI_WORK_MODE {
+struct {
+ unsigned int work_mode :1;
+ unsigned int wback_en :1;
+ unsigned int colorbar_en :1;
+ unsigned int reserved_577 :29;
+ } bits;
+ unsigned int u32;
+};
+
+/*
+ * LDI Register Write/Read Helper functions
+ */
+static inline void set_reg(u8 *addr, u32 val, u32 bw, u32 bs)
+{
+ u32 mask = (1 << bw) - 1;
+ u32 tmp = readl(addr);
+
+ tmp &= ~(mask << bs);
+ writel(tmp | ((val & mask) << bs), addr);
+}
+
+static inline void set_LDI_CTRL_ldi_en(u8 *base, u32 val)
+{
+ union U_LDI_CTRL ldi_ctrl;
+ u8 *addr = base + LDI_CTRL;
+
+ ldi_ctrl.u32 = readl(addr);
+ ldi_ctrl.bits.ldi_en = val;
+ writel(ldi_ctrl.u32, addr);
+}
+
+static inline void set_LDI_CTRL_disp_mode(u8 *base, u32 val)
+{
+ union U_LDI_CTRL ldi_ctrl;
+ u8 *addr = base + LDI_CTRL;
+
+ ldi_ctrl.u32 = readl(addr);
+ ldi_ctrl.bits.disp_mode_buf = val;
+ writel(ldi_ctrl.u32, addr);
+}
+
+static inline void set_LDI_CTRL_bpp(u8 *base, u32 val)
+{
+ union U_LDI_CTRL ldi_ctrl;
+ u8 *addr = base + LDI_CTRL;
+
+ ldi_ctrl.u32 = readl(addr);
+ ldi_ctrl.bits.bpp = val;
+ writel(ldi_ctrl.u32, addr);
+}
+
+static inline void set_LDI_CTRL_corlorbar_width(u8 *base, u32 val)
+{
+ union U_LDI_CTRL ldi_ctrl;
+ u8 *addr = base + LDI_CTRL;
+
+ ldi_ctrl.u32 = readl(addr);
+ ldi_ctrl.bits.corlorbar_width = (val > 0) ? val - 1 : 0;
+ writel(ldi_ctrl.u32, addr);
+}
+
+static inline void set_LDI_CTRL_bgr(u8 *base, u32 val)
+{
+ union U_LDI_CTRL ldi_ctrl;
+ u8 *addr = base + LDI_CTRL;
+
+ ldi_ctrl.u32 = readl(addr);
+ ldi_ctrl.bits.bgr = val;
+ writel(ldi_ctrl.u32, addr);
+}
+
+static inline void set_LDI_WORK_MODE_work_mode(u8 *base, u32 val)
+{
+ union U_LDI_WORK_MODE ldi_work_mode;
+ u8 *addr = base + LDI_WORK_MODE;
+
+ ldi_work_mode.u32 = readl(addr);
+ ldi_work_mode.bits.work_mode = val;
+ writel(ldi_work_mode.u32, addr);
+}
+
+static inline void set_LDI_WORK_MODE_colorbar_en(u8 *base, u32 val)
+{
+ union U_LDI_WORK_MODE ldi_work_mode;
+ u8 *addr = base + LDI_WORK_MODE;
+
+ ldi_work_mode.u32 = readl(addr);
+ ldi_work_mode.bits.colorbar_en = val;
+ writel(ldi_work_mode.u32, addr);
+}
+
+#endif
diff --git a/drivers/gpu/drm/hisilicon/hisi_drm_ade.c b/drivers/gpu/drm/hisilicon/hisi_drm_ade.c
new file mode 100644
index 0000000..d157879
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/hisi_drm_ade.c
@@ -0,0 +1,511 @@
+/*
+ * Hisilicon Hi6220 SoC ADE(Advanced Display Engine)'s crtc&plane driver
+ *
+ * Copyright (c) 2014-2015 Hisilicon Limited.
+ * Author:
+ * Xinliang Liu <xinliang.liu@xxxxxxxxxx>
+ * Xinliang Liu <z.liuxinliang@xxxxxxxxxxxxx>
+ * Xinwei Kong <kong.kongxinwei@xxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <video/display_timing.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+
+#include "hisi_drm_drv.h"
+#include "hisi_ade_reg.h"
+
+#define FORCE_PIXEL_CLOCK_SAME_OR_HIGHER 0
+
+#define to_ade_crtc(crtc) \
+ container_of(crtc, struct ade_crtc, base)
+
+struct ade_hw_ctx {
+ void __iomem *base;
+ void __iomem *media_base;
+
+ int irq;
+ u32 ade_core_rate;
+ u32 media_noc_rate;
+
+ struct clk *ade_core_clk;
+ struct clk *media_noc_clk;
+ struct clk *ade_pix_clk;
+ bool power_on;
+};
+
+struct ade_crtc {
+ struct drm_crtc base;
+ struct ade_hw_ctx *ctx;
+ bool enable;
+ u64 use_mask;
+};
+
+struct ade_data {
+ struct ade_crtc acrtc;
+ struct ade_hw_ctx ctx;
+};
+
+static void ade_init(struct ade_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+
+ /* enable clk gate */
+ set_TOP_CTL_clk_gate_en(base, 1);
+ /* clear overlay */
+ writel(0, base + ADE_OVLY1_TRANS_CFG);
+ writel(0, base + ADE_OVLY_CTL);
+ writel(0, base + ADE_OVLYX_CTL(ADE_OVLY2));
+ /* clear reset and reload regs */
+ writel(0, base + ADE_SOFT_RST_SEL0);
+ writel(0, base + ADE_SOFT_RST_SEL1);
+ writel(0xFFFFFFFF, base + ADE_RELOAD_DIS0);
+ writel(0xFFFFFFFF, base + ADE_RELOAD_DIS1);
+ /* for video set to 1, means that ade registers
+ * became effective at frame end
+ */
+ set_TOP_CTL_frm_end_start(base, 1);
+}
+
+static void ade_ldi_set_mode(struct ade_crtc *acrtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+ void __iomem *base = ctx->base;
+ u32 out_w = mode->hdisplay;
+ u32 out_h = mode->vdisplay;
+ u32 hfp, hbp, hsw, vfp, vbp, vsw;
+ u32 plr_flags;
+ int ret;
+
+ plr_flags = (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ ? HISI_LDI_FLAG_NVSYNC : 0;
+ plr_flags |= (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ ? HISI_LDI_FLAG_NHSYNC : 0;
+ hfp = mode->hsync_start - mode->hdisplay;
+ hbp = mode->htotal - mode->hsync_end;
+ hsw = mode->hsync_end - mode->hsync_start;
+ vfp = mode->vsync_start - mode->vdisplay;
+ vbp = mode->vtotal - mode->vsync_end;
+ vsw = mode->vsync_end - mode->vsync_start;
+ if (vsw > 15) {
+ DRM_INFO("vsw exceeded 15\n");
+ vsw = 15;
+ }
+
+ writel((hbp << 20) | (hfp << 0), base + LDI_HRZ_CTRL0);
+ /* p3-73 6220V100 pdf:
+ * "The configured value is the actual width - 1"
+ */
+ writel(hsw - 1, base + LDI_HRZ_CTRL1);
+ writel((vbp << 20) | (vfp << 0), base + LDI_VRT_CTRL0);
+ /* p3-74 6220V100 pdf:
+ * "The configured value is the actual width - 1"
+ */
+ writel(vsw - 1, base + LDI_VRT_CTRL1);
+
+ /* p3-75 6220V100 pdf:
+ * "The configured value is the actual width - 1"
+ */
+ writel(((out_h - 1) << 20) | ((out_w - 1) << 0),
+ base + LDI_DSP_SIZE);
+ writel(plr_flags, base + LDI_PLR_CTRL);
+
+ ret = clk_set_rate(ctx->ade_pix_clk, mode->clock * 1000);
+ /* Success should be guaranteed in aotomic_check
+ * failer shouldn't happen here
+ */
+ if (ret)
+ DRM_ERROR("set ade_pixel_clk_rate fail\n");
+ adj_mode->clock = clk_get_rate(ctx->ade_pix_clk) / 1000;
+
+ /* ctran6 setting */
+ writel(1, base + ADE_CTRAN_DIS(ADE_CTRAN6));
+ writel(out_w * out_h - 1, base + ADE_CTRAN_IMAGE_SIZE(ADE_CTRAN6));
+ acrtc->use_mask |= BIT(ADE_CTRAN_BIT_OFST + ADE_CTRAN6);
+ DRM_INFO("set mode: %dx%d\n", out_w, out_h);
+
+ /*
+ * other parameters setting
+ */
+ writel(BIT(0), base + LDI_WORK_MODE);
+ writel((0x3c << 6) | (ADE_OUT_RGB_888 << 3) | BIT(2) | BIT(0),
+ base + LDI_CTRL);
+ set_reg(base + LDI_DE_SPACE_LOW, 0x1, 1, 1);
+}
+
+static int ade_power_up(struct ade_hw_ctx *ctx)
+{
+ void __iomem *media_base = ctx->media_base;
+ int ret;
+
+ ret = clk_set_rate(ctx->ade_core_clk, ctx->ade_core_rate);
+ if (ret) {
+ DRM_ERROR("clk_set_rate ade_core_rate error\n");
+ return ret;
+ }
+ ret = clk_set_rate(ctx->media_noc_clk, ctx->media_noc_rate);
+ if (ret) {
+ DRM_ERROR("media_noc_clk media_noc_rate error\n");
+ return ret;
+ }
+ ret = clk_prepare_enable(ctx->media_noc_clk);
+ if (ret) {
+ DRM_ERROR("fail to clk_prepare_enable media_noc_clk\n");
+ return ret;
+ }
+
+ writel(0x20, media_base + SC_MEDIA_RSTDIS);
+
+ ret = clk_prepare_enable(ctx->ade_core_clk);
+ if (ret) {
+ DRM_ERROR("fail to clk_prepare_enable ade_core_clk\n");
+ return ret;
+ }
+
+ ade_init(ctx);
+ ctx->power_on = true;
+ return 0;
+}
+
+static void ade_power_down(struct ade_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+ void __iomem *media_base = ctx->media_base;
+
+ set_LDI_CTRL_ldi_en(base, ADE_DISABLE);
+ /* dsi pixel off */
+ set_reg(base + LDI_HDMI_DSI_GT, 0x1, 1, 0);
+
+ clk_disable_unprepare(ctx->ade_core_clk);
+ writel(0x20, media_base + SC_MEDIA_RSTEN);
+ clk_disable_unprepare(ctx->media_noc_clk);
+ ctx->power_on = false;
+}
+
+
+
+/*
+ * set modules' reset mode: by software or hardware
+ * set modules' reload enable/disable
+ */
+static void ade_set_reset_and_reload(struct ade_crtc *acrtc)
+{
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+ void __iomem *base = ctx->base;
+ u32 mask0 = (u32)acrtc->use_mask;
+ u32 mask1 = (u32)(acrtc->use_mask >> 32);
+
+ DRM_DEBUG_DRIVER("mask=0x%llX, mask0=0x%X, mask1=0x%X\n",
+ acrtc->use_mask, mask0, mask1);
+
+ writel(mask0, base + ADE_SOFT_RST_SEL0);
+ writel(mask1, base + ADE_SOFT_RST_SEL1);
+ writel(~mask0, base + ADE_RELOAD_DIS0);
+ writel(~mask1, base + ADE_RELOAD_DIS1);
+}
+
+/*
+ * commit to ldi to display
+ */
+static void ade_display_commit(struct ade_crtc *acrtc)
+{
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+ void __iomem *base = ctx->base;
+
+ /* TODO: set rotator after overlay */
+
+ /* TODO: set scale after overlay */
+
+ /* display source setting */
+ writel(TOP_DISP_SRC_OVLY2, base + ADE_DISP_SRC_CFG);
+
+ /* set reset mode:soft or hw, and reload modules */
+ ade_set_reset_and_reload(acrtc);
+
+ DRM_INFO("ADE GO\n");
+ /* enable ade */
+ wmb();
+ writel(ADE_ENABLE, base + ADE_EN);
+ /* enable ldi */
+ wmb();
+ set_LDI_CTRL_ldi_en(base, ADE_ENABLE);
+ /* dsi pixel on */
+ set_reg(base + LDI_HDMI_DSI_GT, 0x0, 1, 0);
+}
+
+static void ade_crtc_enable(struct drm_crtc *crtc)
+{
+ struct ade_crtc *acrtc = to_ade_crtc(crtc);
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+ int ret;
+
+ DRM_DEBUG_DRIVER("enter.\n");
+ if (acrtc->enable)
+ return;
+
+ if (!ctx->power_on) {
+ ret = ade_power_up(ctx);
+ if (ret) {
+ DRM_ERROR("failed to initialize ade clk\n");
+ return;
+ }
+ }
+
+ ade_display_commit(acrtc);
+ acrtc->enable = true;
+
+ DRM_DEBUG_DRIVER("exit success.\n");
+}
+
+static void ade_crtc_disable(struct drm_crtc *crtc)
+{
+ struct ade_crtc *acrtc = to_ade_crtc(crtc);
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+
+ DRM_DEBUG_DRIVER("enter.\n");
+
+ if (!acrtc->enable)
+ return;
+
+ ade_power_down(ctx);
+ acrtc->use_mask = 0;
+ acrtc->enable = false;
+ DRM_DEBUG_DRIVER("exit success.\n");
+}
+
+int ade_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
+{
+ DRM_DEBUG_DRIVER("enter.\n");
+ DRM_DEBUG_DRIVER("exit success.\n");
+ /* do nothing */
+ return 0;
+}
+
+static void ade_crtc_mode_set_nofb(struct drm_crtc *crtc)
+{
+ struct ade_crtc *acrtc = to_ade_crtc(crtc);
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+ struct drm_display_mode *mode = &crtc->state->mode;
+ struct drm_display_mode *adj_mode = &crtc->state->adjusted_mode;
+
+ DRM_DEBUG_DRIVER("enter.\n");
+ if (!ctx->power_on)
+ (void)ade_power_up(ctx);
+ ade_ldi_set_mode(acrtc, mode, adj_mode);
+ DRM_DEBUG_DRIVER("exit success.\n");
+}
+
+static void ade_crtc_atomic_begin(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct ade_crtc *acrtc = to_ade_crtc(crtc);
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+
+ DRM_DEBUG_DRIVER("enter.\n");
+ if (!ctx->power_on)
+ (void)ade_power_up(ctx);
+ DRM_DEBUG_DRIVER("exit success.\n");
+}
+
+static void ade_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+
+{
+ struct ade_crtc *acrtc = to_ade_crtc(crtc);
+ struct ade_hw_ctx *ctx = acrtc->ctx;
+ void __iomem *base = ctx->base;
+
+ DRM_DEBUG_DRIVER("enter.\n");
+ /* commit to display: LDI input setting */
+ if (acrtc->enable) {
+ /* set reset and reload */
+ ade_set_reset_and_reload(acrtc);
+ /* flush ade regitsters */
+ wmb();
+ writel(ADE_ENABLE, base + ADE_EN);
+ }
+ DRM_DEBUG_DRIVER("exit success.\n");
+}
+
+static const struct drm_crtc_helper_funcs ade_crtc_helper_funcs = {
+ .enable = ade_crtc_enable,
+ .disable = ade_crtc_disable,
+ .atomic_check = ade_crtc_atomic_check,
+ .mode_set_nofb = ade_crtc_mode_set_nofb,
+ .atomic_begin = ade_crtc_atomic_begin,
+ .atomic_flush = ade_crtc_atomic_flush,
+};
+
+static const struct drm_crtc_funcs ade_crtc_funcs = {
+ .destroy = drm_crtc_cleanup,
+ .set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
+ .reset = drm_atomic_helper_crtc_reset,
+ .set_property = drm_atomic_helper_crtc_set_property,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+};
+
+static int ade_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
+ struct drm_plane *plane)
+{
+ int ret;
+
+ ret = drm_crtc_init_with_planes(dev, crtc, plane,
+ NULL, &ade_crtc_funcs);
+ if (ret) {
+ DRM_ERROR("failed to init crtc.\n");
+ return ret;
+ }
+
+ drm_crtc_helper_add(crtc, &ade_crtc_helper_funcs);
+
+ return 0;
+}
+
+static int ade_bind(struct device *dev, struct device *master, void *data)
+{
+ return 0;
+}
+
+static void ade_unbind(struct device *dev, struct device *master, void *data)
+{
+ /* do nothing */
+}
+
+static const struct component_ops ade_ops = {
+ .bind = ade_bind,
+ .unbind = ade_unbind,
+};
+
+static int ade_dts_parse(struct platform_device *pdev, struct ade_hw_ctx *ctx)
+{
+ struct resource *res;
+ struct device *dev;
+ struct device_node *np;
+ int ret;
+
+ dev = &pdev->dev;
+ np = dev->of_node;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ade_base");
+ ctx->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(ctx->base)) {
+ DRM_ERROR("failed to remap ade io base\n");
+ return PTR_ERR(ctx->base);
+ }
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "media_base");
+ ctx->media_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(ctx->media_base)) {
+ DRM_ERROR("failed to remap media io base\n");
+ return PTR_ERR(ctx->media_base);
+ }
+
+ ctx->irq = platform_get_irq(pdev, 0);
+ if (ctx->irq < 0) {
+ DRM_ERROR("failed to parse the irq\n");
+ return -ENODEV;
+ }
+
+ ctx->ade_core_clk = devm_clk_get(&pdev->dev, "clk_ade_core");
+ if (!ctx->ade_core_clk) {
+ DRM_ERROR("failed to parse the ADE_CORE\n");
+ return -ENODEV;
+ }
+ ctx->media_noc_clk = devm_clk_get(&pdev->dev,
+ "aclk_codec_jpeg_src");
+ if (!ctx->media_noc_clk) {
+ DRM_ERROR("failed to parse the CODEC_JPEG\n");
+ return -ENODEV;
+ }
+ ctx->ade_pix_clk = devm_clk_get(&pdev->dev, "clk_ade_pix");
+ if (!ctx->ade_pix_clk) {
+ DRM_ERROR("failed to parse the ADE_PIX_SRC\n");
+ return -ENODEV;
+ }
+
+ ret = of_property_read_u32(np, "ade_core_clk_rate",
+ &ctx->ade_core_rate);
+ if (ret) {
+ DRM_ERROR("failed to parse the ade_core_clk_rate\n");
+ return -ENODEV;
+ }
+ ret = of_property_read_u32(np, "media_noc_clk_rate",
+ &ctx->media_noc_rate);
+ if (ret) {
+ DRM_ERROR("failed to parse the media_noc_clk_rate\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int ade_probe(struct platform_device *pdev)
+{
+ struct ade_data *ade;
+ int ret;
+
+ DRM_DEBUG_DRIVER("enter.\n");
+
+ ade = devm_kzalloc(&pdev->dev, sizeof(*ade), GFP_KERNEL);
+ if (!ade) {
+ DRM_ERROR("failed to alloc ade_data\n");
+ return -ENOMEM;
+ }
+
+ ret = ade_dts_parse(pdev, &ade->ctx);
+ if (ret) {
+ DRM_ERROR("failed to parse dts!!\n");
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, ade);
+
+ return component_add(&pdev->dev, &ade_ops);
+}
+
+static int ade_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &ade_ops);
+
+ return 0;
+}
+
+static const struct of_device_id ade_of_match[] = {
+ { .compatible = "hisilicon,hi6220-ade" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ade_of_match);
+
+static struct platform_driver ade_driver = {
+ .probe = ade_probe,
+ .remove = ade_remove,
+ .driver = {
+ .name = "hisi-ade",
+ .owner = THIS_MODULE,
+ .of_match_table = ade_of_match,
+ },
+};
+
+module_platform_driver(ade_driver);
+
+MODULE_AUTHOR("Xinliang Liu <xinliang.liu@xxxxxxxxxx>");
+MODULE_AUTHOR("Xinliang Liu <z.liuxinliang@xxxxxxxxxxxxx>");
+MODULE_AUTHOR("Xinwei Kong <kong.kongxinwei@xxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("Hisilicon DRM ADE(crtc/plane) Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/hisi_drm_drv.c b/drivers/gpu/drm/hisilicon/hisi_drm_drv.c
index 445e2ec..d0eca80 100644
--- a/drivers/gpu/drm/hisilicon/hisi_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hisi_drm_drv.c
@@ -21,11 +21,18 @@
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_atomic_helper.h>
+#include "hisi_drm_drv.h"
+
#define DRIVER_NAME "hisi-drm"
static int hisi_drm_unload(struct drm_device *dev)
{
+ struct hisi_drm_private *priv = dev->dev_private;
+
drm_mode_config_cleanup(dev);
+ devm_kfree(dev->dev, priv);
+ dev->dev_private = NULL;
+
return 0;
}
@@ -48,8 +55,14 @@ static void hisi_drm_mode_config_init(struct drm_device *dev)
static int hisi_drm_load(struct drm_device *dev, unsigned long flags)
{
+ struct hisi_drm_private *priv;
int ret;
+ priv = devm_kzalloc(dev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev->dev_private = priv;
dev_set_drvdata(dev->dev, dev);
/* dev->mode_config initialization */
@@ -70,6 +83,8 @@ static int hisi_drm_load(struct drm_device *dev, unsigned long flags)
err_mode_config_cleanup:
drm_mode_config_cleanup(dev);
+ devm_kfree(dev->dev, priv);
+ dev->dev_private = NULL;
return ret;
}
diff --git a/drivers/gpu/drm/hisilicon/hisi_drm_drv.h b/drivers/gpu/drm/hisilicon/hisi_drm_drv.h
new file mode 100644
index 0000000..a10229e
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/hisi_drm_drv.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2014-2015 Hisilicon Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __HISI_DRM_DRV_H__
+#define __HISI_DRM_DRV_H__
+
+struct hisi_drm_private {
+};
+
+#endif /* __HISI_DRM_DRV_H__ */
--
1.9.1
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