Add crtc funcs and helper funcs for ADE.
Signed-off-by: Xinwei Kong kong.kongxinwei@hisilicon.com Signed-off-by: Xinliang Liu xinliang.liu@linaro.org
v3: - Make ade as the master driver. - Use port to connect with encoder. - A few cleanup. v2: - Remove abtraction layer.
--- drivers/gpu/drm/hisilicon/kirin/Makefile | 3 +- drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h | 280 +++++++++++++++ drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 458 ++++++++++++++++++++++++ drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 15 + drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h | 8 + 5 files changed, 763 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h create mode 100644 drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
diff --git a/drivers/gpu/drm/hisilicon/kirin/Makefile b/drivers/gpu/drm/hisilicon/kirin/Makefile index cb346de47d48..2a61ab006ddb 100644 --- a/drivers/gpu/drm/hisilicon/kirin/Makefile +++ b/drivers/gpu/drm/hisilicon/kirin/Makefile @@ -1,3 +1,4 @@ -kirin-drm-y := kirin_drm_drv.o +kirin-drm-y := kirin_drm_drv.o \ + kirin_drm_ade.o
obj-$(CONFIG_DRM_HISI_KIRIN) += kirin-drm.o diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h new file mode 100644 index 000000000000..78020747abfe --- /dev/null +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h @@ -0,0 +1,280 @@ +/* + * Copyright (c) 2016 Linaro Limited. + * Copyright (c) 2014-2016 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 __KIRIN_ADE_REG_H__ +#define __KIRIN_ADE_REG_H__ + +/* + * ADE Registers + */ +#define MASK(x) (BIT(x) - 1) + +#define ADE_CTRL 0x0004 +#define FRM_END_START_OFST 0 +#define FRM_END_START_MASK MASK(2) +#define ADE_CTRL1 0x008C +#define AUTO_CLK_GATE_EN_OFST 0 +#define AUTO_CLK_GATE_EN BIT(0) +#define ADE_ROT_SRC_CFG 0x0010 +#define ADE_DISP_SRC_CFG 0x0018 +#define ADE_WDMA2_SRC_CFG 0x001C +#define ADE_SEC_OVLY_SRC_CFG 0x0020 +#define ADE_WDMA3_SRC_CFG 0x0024 +#define ADE_OVLY1_TRANS_CFG 0x002C +#define ADE_EN 0x0100 +#define ADE_DISABLE 0 +#define ADE_ENABLE 1 +#define INTR_MASK_CPU(x) (0x0C10 + (x) * 0x4) +#define ADE_FRM_DISGARD_CTRL 0x00A4 +/* reset and reload regs */ +#define ADE_SOFT_RST_SEL(x) (0x0078 + (x) * 0x4) +#define ADE_RELOAD_DIS(x) (0x00AC + (x) * 0x4) +#define RDMA_OFST 0 +#define CLIP_OFST 15 +#define SCL_OFST 21 +#define CTRAN_OFST 24 +#define OVLY_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 0x000C +#define ADE_SCL2_SRC_CFG 0x0014 +#define ADE_SCL3_MUX_CFG 0x0008 +#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 0x0040 +#define ADE_CTRAN_DIS(x) (0x5004 + (x) * 0x100) +#define CTRAN_BYPASS_ON 1 +#define CTRAN_BYPASS_OFF 0 +#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 OUTPUT_XSIZE_OFST 16 +#define ADE_OVLY_BASE_COLOR(x) (0x2074 + (x) * 8) +#define ADE_OVLYX_CTL(x) (0x209C + (x) * 4) +#define ADE_OVLY_CTL 0x0098 +#define CH_OVLY_SEL_OFST(x) ((x) * 4) +#define CH_OVLY_SEL_MASK MASK(2) +#define CH_OVLY_SEL_VAL(x) ((x) + 1) +#define CH_ALP_MODE_OFST 0 +#define CH_ALP_SEL_OFST 2 +#define CH_UNDER_ALP_SEL_OFST 4 +#define CH_EN_OFST 6 +#define CH_ALP_GBL_OFST 15 +#define CH_SEL_OFST 28 + +/* + * LDI Registers + */ +#define LDI_HRZ_CTRL0 0x7400 +#define HBP_OFST 20 +#define LDI_HRZ_CTRL1 0x7404 +#define LDI_VRT_CTRL0 0x7408 +#define VBP_OFST 20 +#define LDI_VRT_CTRL1 0x740C +#define LDI_PLR_CTRL 0x7410 +#define FLAG_NVSYNC BIT(0) +#define FLAG_NHSYNC BIT(1) +#define FLAG_NPIXCLK BIT(2) +#define FLAG_NDE BIT(3) +#define LDI_DSP_SIZE 0x7414 +#define VSIZE_OFST 20 +#define LDI_INT_EN 0x741C +#define FRAME_END_INT_EN_OFST 1 +#define LDI_CTRL 0x7420 +#define BPP_OFST 3 +#define DATA_GATE_EN BIT(2) +#define LDI_EN BIT(0) +#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 + +/* + * media regs + */ +#define SC_MEDIA_RSTDIS 0x0530 +#define SC_MEDIA_RSTEN 0x052C +#define NOC_ADE0_QOSGENERATOR_MODE 0x010C +#define NOC_ADE0_QOSGENERATOR_EXTCONTROL 0x0118 +#define NOC_ADE1_QOSGENERATOR_MODE 0x020C +#define NOC_ADE1_QOSGENERATOR_EXTCONTROL 0x0218 + +/* + * ADE regs relevant enums + */ +enum frame_end_start { + /* regs take effective in every vsync */ + REG_EFFECTIVE_IN_VSYNC = 0, + /* regs take effective in fist ade en and every frame end */ + REG_EFFECTIVE_IN_ADEEN_FRMEND, + /* regs take effective in ade en immediately */ + REG_EFFECTIVE_IN_ADEEN, + /* regs take effective in first vsync and every frame end */ + REG_EFFECTIVE_IN_VSYNC_FRMEND +}; + +enum ade_fb_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 +}; + +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_alpha_mode { + ADE_ALP_GLOBAL = 0, + ADE_ALP_PIXEL, + ADE_ALP_PIXEL_AND_GLB +}; + +enum ade_alpha_blending_mode { + 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 */ +}; + +/* + * LDI regs relevant enums + */ +enum dsi_pclk_en { + DSI_PCLK_ON = 0, + DSI_PCLK_OFF +}; + +enum ldi_output_format { + LDI_OUT_RGB_565 = 0, + LDI_OUT_RGB_666, + LDI_OUT_RGB_888 +}; + +enum ldi_work_mode { + TEST_MODE = 0, + NORMAL_MODE +}; + +enum ldi_input_source { + DISP_SRC_NONE = 0, + DISP_SRC_OVLY2, + DISP_SRC_DISP, + DISP_SRC_ROT, + DISP_SRC_SCL2 +}; + +/* + * Register Write/Read Helper functions + */ +static inline void ade_update_bits(void __iomem *addr, u32 bit_start, + u32 mask, u32 val) +{ + u32 tmp, orig; + + orig = readl(addr); + tmp = orig & ~(mask << bit_start); + tmp |= (val & mask) << bit_start; + writel(tmp, addr); +} + +#endif diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c new file mode 100644 index 000000000000..b45149616716 --- /dev/null +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c @@ -0,0 +1,458 @@ +/* + * Hisilicon Hi6220 SoC ADE(Advanced Display Engine)'s crtc&plane driver + * + * Copyright (c) 2016 Linaro Limited. + * Copyright (c) 2014-2016 Hisilicon Limited. + * + * Author: + * Xinliang Liu z.liuxinliang@hisilicon.com + * Xinliang Liu xinliang.liu@linaro.org + * Xinwei Kong kong.kongxinwei@hisilicon.com + * + * 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 <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 "kirin_drm_drv.h" +#include "kirin_ade_reg.h" + +#define to_ade_crtc(crtc) \ + container_of(crtc, struct ade_crtc, base) + +struct ade_hw_ctx { + void __iomem *base; + void __iomem *media_base; + void __iomem *media_noc_base; + int irq; + 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; + u32 out_format; +}; + +struct ade_data { + struct ade_crtc acrtc; + struct ade_hw_ctx ctx; +}; + +static void ade_update_reload_bit(void __iomem *base, u32 bit_num, u32 val) +{ + u32 bit_ofst, reg_num; + + bit_ofst = bit_num % 32; + reg_num = bit_num / 32; + + ade_update_bits(base + ADE_RELOAD_DIS(reg_num), bit_ofst, + MASK(1), !!val); +} + +static u32 ade_read_reload_bit(void __iomem *base, u32 bit_num) +{ + u32 tmp, bit_ofst, reg_num; + + bit_ofst = bit_num % 32; + reg_num = bit_num / 32; + + tmp = readl(base + ADE_RELOAD_DIS(reg_num)); + return !!(BIT(bit_ofst) & tmp); +} + +static void ade_init(struct ade_hw_ctx *ctx) +{ + void __iomem *base = ctx->base; + + /* enable clk gate */ + ade_update_bits(base + ADE_CTRL1, AUTO_CLK_GATE_EN_OFST, + AUTO_CLK_GATE_EN, ADE_ENABLE); + /* 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(MASK(32), base + ADE_SOFT_RST_SEL(0)); + writel(MASK(32), base + ADE_SOFT_RST_SEL(1)); + writel(MASK(32), base + ADE_RELOAD_DIS(0)); + writel(MASK(32), base + ADE_RELOAD_DIS(1)); + /* for video mode, that ade registers + * became effective at frame end + */ + ade_update_bits(base + ADE_CTRL, FRM_END_START_OFST, + FRM_END_START_MASK, REG_EFFECTIVE_IN_ADEEN_FRMEND); +} + +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 width = mode->hdisplay; + u32 height = mode->vdisplay; + u32 hfp, hbp, hsw, vfp, vbp, vsw; + u32 plr_flags; + int ret; + + plr_flags = (mode->flags & DRM_MODE_FLAG_NVSYNC) ? FLAG_NVSYNC : 0; + plr_flags |= (mode->flags & DRM_MODE_FLAG_NHSYNC) ? 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_DEBUG_DRIVER("vsw exceeded 15\n"); + vsw = 15; + } + + writel((hbp << HBP_OFST) | hfp, base + LDI_HRZ_CTRL0); + /* the configured value is actual value - 1 */ + writel(hsw - 1, base + LDI_HRZ_CTRL1); + writel((vbp << VBP_OFST) | vfp, base + LDI_VRT_CTRL0); + /* the configured value is actual value - 1 */ + writel(vsw - 1, base + LDI_VRT_CTRL1); + /* the configured value is actual value - 1 */ + writel(((height - 1) << VSIZE_OFST) | (width - 1), + base + LDI_DSP_SIZE); + writel(plr_flags, base + LDI_PLR_CTRL); + + /* Success should be guaranteed in mode_valid call back, + * so failer shouldn't happen here + */ + ret = clk_set_rate(ctx->ade_pix_clk, mode->clock * 1000); + if (ret) + DRM_ERROR("failed to set pixel clk %dHz (%d)\n", + mode->clock * 1000, ret); + adj_mode->clock = clk_get_rate(ctx->ade_pix_clk) / 1000; + + /* ctran6 setting */ + writel(CTRAN_BYPASS_ON, base + ADE_CTRAN_DIS(ADE_CTRAN6)); + /* the configured value is actual value - 1 */ + writel(width * height - 1, base + ADE_CTRAN_IMAGE_SIZE(ADE_CTRAN6)); + ade_update_reload_bit(base, CTRAN_OFST + ADE_CTRAN6, 0); + + DRM_DEBUG_DRIVER("set mode: %dx%d\n", width, height); +} + +static int ade_power_up(struct ade_hw_ctx *ctx) +{ + void __iomem *media_base = ctx->media_base; + int ret; + + ret = clk_prepare_enable(ctx->media_noc_clk); + if (ret) { + DRM_ERROR("failed to enable media_noc_clk (%d)\n", ret); + return ret; + } + + writel(0x20, media_base + SC_MEDIA_RSTDIS); + + ret = clk_prepare_enable(ctx->ade_core_clk); + if (ret) { + DRM_ERROR("failed to enable ade_core_clk (%d)\n", ret); + 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; + + writel(ADE_DISABLE, base + LDI_CTRL); + /* dsi pixel off */ + writel(DSI_PCLK_OFF, base + LDI_HDMI_DSI_GT); + + 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; +} + +static void ade_set_medianoc_qos(struct ade_crtc *acrtc) +{ + struct ade_hw_ctx *ctx = acrtc->ctx; + void __iomem *base = ctx->media_noc_base; + void __iomem *reg; + u32 val; + + reg = base + NOC_ADE0_QOSGENERATOR_MODE; + val = (readl(reg) & 0xfffffffc) | 0x2; + writel(val, reg); + + reg = base + NOC_ADE0_QOSGENERATOR_EXTCONTROL; + val = readl(reg) | 0x1; + writel(val, reg); + + reg = base + NOC_ADE1_QOSGENERATOR_MODE; + val = (readl(reg) & 0xfffffffc) | 0x2; + writel(val, reg); + + reg = base + NOC_ADE1_QOSGENERATOR_EXTCONTROL; + val = readl(reg) | 0x1; + writel(val, reg); +} + +static void ade_display_enable(struct ade_crtc *acrtc) +{ + struct ade_hw_ctx *ctx = acrtc->ctx; + void __iomem *base = ctx->base; + u32 out_fmt = acrtc->out_format; + + /* display source setting */ + writel(DISP_SRC_OVLY2, base + ADE_DISP_SRC_CFG); + + /* enable ade */ + writel(ADE_ENABLE, base + ADE_EN); + /* enable ldi */ + writel(NORMAL_MODE, base + LDI_WORK_MODE); + writel((out_fmt << BPP_OFST) | DATA_GATE_EN | LDI_EN, + base + LDI_CTRL); + /* dsi pixel on */ + writel(DSI_PCLK_ON, base + LDI_HDMI_DSI_GT); +} + +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; + + if (acrtc->enable) + return; + + if (!ctx->power_on) { + ret = ade_power_up(ctx); + if (ret) + return; + } + + ade_set_medianoc_qos(acrtc); + ade_display_enable(acrtc); + acrtc->enable = true; +} + +static void ade_crtc_disable(struct drm_crtc *crtc) +{ + struct ade_crtc *acrtc = to_ade_crtc(crtc); + struct ade_hw_ctx *ctx = acrtc->ctx; + + if (!acrtc->enable) + return; + + ade_power_down(ctx); + acrtc->enable = false; +} + +static int ade_crtc_atomic_check(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + /* 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; + + if (!ctx->power_on) + (void)ade_power_up(ctx); + ade_ldi_set_mode(acrtc, mode, adj_mode); +} + +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; + + if (!ctx->power_on) + (void)ade_power_up(ctx); +} + +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; + + /* only crtc is eanbled regs take effect */ + if (acrtc->enable) { + /* flush ade regitsters */ + writel(ADE_ENABLE, base + ADE_EN); + } +} + +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) +{ + struct kirin_drm_private *priv = dev->dev_private; + struct device_node *port; + int ret; + + /* set crtc port so that + * drm_of_find_possible_crtcs call works + */ + port = of_get_child_by_name(dev->dev->of_node, "port"); + if (!port) { + DRM_ERROR("no port node found in %s\n", + dev->dev->of_node->full_name); + return -EINVAL; + } + of_node_put(port); + crtc->port = port; + + ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL, + &ade_crtc_funcs, NULL); + if (ret) { + DRM_ERROR("failed to init crtc.\n"); + return ret; + } + + drm_crtc_helper_add(crtc, &ade_crtc_helper_funcs); + priv->crtc[drm_crtc_index(crtc)] = crtc; + + return 0; +} + +static int ade_dts_parse(struct platform_device *pdev, struct ade_hw_ctx *ctx) +{ + struct resource *res; + struct device *dev = &pdev->dev; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ade_base"); + ctx->base = devm_ioremap_resource(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(dev, res); + if (IS_ERR(ctx->media_base)) { + DRM_ERROR("failed to remap media io base\n"); + return PTR_ERR(ctx->media_base); + } + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, + "media_noc_base"); + ctx->media_noc_base = devm_ioremap_resource(dev, res); + if (IS_ERR(ctx->media_noc_base)) { + DRM_ERROR("failed to remap media noc base\n"); + return PTR_ERR(ctx->media_noc_base); + } + + ctx->irq = platform_get_irq(pdev, 0); + if (ctx->irq < 0) { + DRM_ERROR("failed to get irq\n"); + return -ENODEV; + } + + ctx->ade_core_clk = devm_clk_get(dev, "clk_ade_core"); + if (!ctx->ade_core_clk) { + DRM_ERROR("failed to parse clk ADE_CORE\n"); + return -ENODEV; + } + + ctx->media_noc_clk = devm_clk_get(dev, "clk_codec_jpeg"); + if (!ctx->media_noc_clk) { + DRM_ERROR("failed to parse clk CODEC_JPEG\n"); + return -ENODEV; + } + + ctx->ade_pix_clk = devm_clk_get(dev, "clk_ade_pix"); + if (!ctx->ade_pix_clk) { + DRM_ERROR("failed to parse clk ADE_PIX\n"); + return -ENODEV; + } + + return 0; +} + +int ade_drm_init(struct drm_device *dev) +{ + struct platform_device *pdev = dev->platformdev; + struct ade_data *ade; + struct ade_hw_ctx *ctx; + struct ade_crtc *acrtc; + int ret; + + ade = devm_kzalloc(dev->dev, sizeof(*ade), GFP_KERNEL); + if (!ade) { + DRM_ERROR("failed to alloc ade_data\n"); + return -ENOMEM; + } + platform_set_drvdata(pdev, ade); + + ctx = &ade->ctx; + acrtc = &ade->acrtc; + acrtc->ctx = ctx; + acrtc->out_format = LDI_OUT_RGB_888; + + ret = ade_dts_parse(pdev, ctx); + if (ret) + return ret; + + return 0; +} + +void ade_drm_cleanup(struct drm_device *dev) +{ + struct platform_device *pdev = dev->platformdev; + struct ade_data *ade = platform_get_drvdata(pdev); + struct drm_crtc *crtc = &ade->acrtc.base; + + drm_crtc_cleanup(crtc); +} + +const struct kirin_dc_ops ade_dc_ops = { + .init = ade_drm_init, + .cleanup = ade_drm_cleanup +}; diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c index 789ebd1f5922..055729c1889c 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c @@ -30,8 +30,12 @@ static struct kirin_dc_ops *dc_ops;
static int kirin_drm_kms_cleanup(struct drm_device *dev) { + struct kirin_drm_private *priv = dev->dev_private; + dc_ops->cleanup(dev); drm_mode_config_cleanup(dev); + devm_kfree(dev->dev, priv); + dev->dev_private = NULL;
return 0; } @@ -55,8 +59,14 @@ static void kirin_drm_mode_config_init(struct drm_device *dev)
static int kirin_drm_kms_init(struct drm_device *dev) { + struct kirin_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 */ @@ -84,6 +94,8 @@ err_dc_cleanup: dc_ops->cleanup(dev); err_mode_config_cleanup: drm_mode_config_cleanup(dev); + devm_kfree(dev->dev, priv); + dev->dev_private = NULL;
return ret; } @@ -221,6 +233,9 @@ static const struct component_master_ops kirin_drm_ops = { };
static const struct of_device_id kirin_drm_dt_ids[] = { + { .compatible = "hisilicon,hi6220-ade", + .data = &ade_dc_ops, + }, { /* end node */ }, }; MODULE_DEVICE_TABLE(of, kirin_drm_dt_ids); diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h index 75e9d82356d4..5a05ad6a81db 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h @@ -11,10 +11,18 @@ #ifndef __KIRIN_DRM_DRV_H__ #define __KIRIN_DRM_DRV_H__
+#define MAX_CRTC 2 + /* display controller init/cleanup ops */ struct kirin_dc_ops { int (*init)(struct drm_device *dev); void (*cleanup)(struct drm_device *dev); };
+struct kirin_drm_private { + struct drm_crtc *crtc[MAX_CRTC]; +}; + +extern const struct kirin_dc_ops ade_dc_ops; + #endif /* __KIRIN_DRM_DRV_H__ */