diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_mixer.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 805 |
1 files changed, 423 insertions, 382 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index a998a8dd783c..69dea5049309 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2011 Samsung Electronics Co.Ltd * Authors: @@ -6,41 +7,37 @@ * Joonyoung Shim <jy0922.shim@samsung.com> * * Based on drivers/media/video/s5p-tv/mixer_reg.c - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ -#include <drm/drmP.h> - -#include "regs-mixer.h" -#include "regs-vp.h" - -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/wait.h> +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/delay.h> #include <linux/i2c.h> -#include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/ktime.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> -#include <linux/clk.h> #include <linux/regulator/consumer.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/component.h> +#include <linux/spinlock.h> +#include <linux/wait.h> +#include <drm/drm_blend.h> +#include <drm/drm_edid.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_print.h> +#include <drm/drm_vblank.h> #include <drm/exynos_drm.h> -#include "exynos_drm_drv.h" #include "exynos_drm_crtc.h" +#include "exynos_drm_drv.h" #include "exynos_drm_fb.h" #include "exynos_drm_plane.h" -#include "exynos_drm_iommu.h" +#include "regs-mixer.h" +#include "regs-vp.h" #define MIXER_WIN_NR 3 #define VP_DEFAULT_WIN 2 @@ -67,19 +64,6 @@ #define MXR_FORMAT_ARGB4444 6 #define MXR_FORMAT_ARGB8888 7 -struct mixer_resources { - int irq; - void __iomem *mixer_regs; - void __iomem *vp_regs; - spinlock_t reg_slock; - struct clk *mixer; - struct clk *vp; - struct clk *hdmi; - struct clk *sclk_mixer; - struct clk *sclk_hdmi; - struct clk *mout_mixer; -}; - enum mixer_version_id { MXR_VER_0_0_0_16, MXR_VER_16_0_33_0, @@ -113,12 +97,23 @@ struct mixer_context { struct platform_device *pdev; struct device *dev; struct drm_device *drm_dev; + void *dma_priv; struct exynos_drm_crtc *crtc; struct exynos_drm_plane planes[MIXER_WIN_NR]; unsigned long flags; - struct mixer_resources mixer_res; + int irq; + void __iomem *mixer_regs; + void __iomem *vp_regs; + spinlock_t reg_slock; + struct clk *mixer; + struct clk *vp; + struct clk *hdmi; + struct clk *sclk_mixer; + struct clk *sclk_hdmi; + struct clk *mout_mixer; enum mixer_version_id mxr_ver; + int scan_value; }; struct mixer_drv_data { @@ -134,21 +129,27 @@ static const struct exynos_drm_plane_config plane_configs[MIXER_WIN_NR] = { .pixel_formats = mixer_formats, .num_pixel_formats = ARRAY_SIZE(mixer_formats), .capabilities = EXYNOS_DRM_PLANE_CAP_DOUBLE | - EXYNOS_DRM_PLANE_CAP_ZPOS, + EXYNOS_DRM_PLANE_CAP_ZPOS | + EXYNOS_DRM_PLANE_CAP_PIX_BLEND | + EXYNOS_DRM_PLANE_CAP_WIN_BLEND, }, { .zpos = 1, .type = DRM_PLANE_TYPE_CURSOR, .pixel_formats = mixer_formats, .num_pixel_formats = ARRAY_SIZE(mixer_formats), .capabilities = EXYNOS_DRM_PLANE_CAP_DOUBLE | - EXYNOS_DRM_PLANE_CAP_ZPOS, + EXYNOS_DRM_PLANE_CAP_ZPOS | + EXYNOS_DRM_PLANE_CAP_PIX_BLEND | + EXYNOS_DRM_PLANE_CAP_WIN_BLEND, }, { .zpos = 2, .type = DRM_PLANE_TYPE_OVERLAY, .pixel_formats = vp_formats, .num_pixel_formats = ARRAY_SIZE(vp_formats), .capabilities = EXYNOS_DRM_PLANE_CAP_SCALE | - EXYNOS_DRM_PLANE_CAP_ZPOS, + EXYNOS_DRM_PLANE_CAP_ZPOS | + EXYNOS_DRM_PLANE_CAP_TILE | + EXYNOS_DRM_PLANE_CAP_WIN_BLEND, }, }; @@ -181,64 +182,52 @@ static const u8 filter_cr_horiz_tap4[] = { 70, 59, 48, 37, 27, 19, 11, 5, }; -static inline bool is_alpha_format(unsigned int pixel_format) -{ - switch (pixel_format) { - case DRM_FORMAT_ARGB8888: - case DRM_FORMAT_ARGB1555: - case DRM_FORMAT_ARGB4444: - return true; - default: - return false; - } -} - -static inline u32 vp_reg_read(struct mixer_resources *res, u32 reg_id) +static inline u32 vp_reg_read(struct mixer_context *ctx, u32 reg_id) { - return readl(res->vp_regs + reg_id); + return readl(ctx->vp_regs + reg_id); } -static inline void vp_reg_write(struct mixer_resources *res, u32 reg_id, +static inline void vp_reg_write(struct mixer_context *ctx, u32 reg_id, u32 val) { - writel(val, res->vp_regs + reg_id); + writel(val, ctx->vp_regs + reg_id); } -static inline void vp_reg_writemask(struct mixer_resources *res, u32 reg_id, +static inline void vp_reg_writemask(struct mixer_context *ctx, u32 reg_id, u32 val, u32 mask) { - u32 old = vp_reg_read(res, reg_id); + u32 old = vp_reg_read(ctx, reg_id); val = (val & mask) | (old & ~mask); - writel(val, res->vp_regs + reg_id); + writel(val, ctx->vp_regs + reg_id); } -static inline u32 mixer_reg_read(struct mixer_resources *res, u32 reg_id) +static inline u32 mixer_reg_read(struct mixer_context *ctx, u32 reg_id) { - return readl(res->mixer_regs + reg_id); + return readl(ctx->mixer_regs + reg_id); } -static inline void mixer_reg_write(struct mixer_resources *res, u32 reg_id, +static inline void mixer_reg_write(struct mixer_context *ctx, u32 reg_id, u32 val) { - writel(val, res->mixer_regs + reg_id); + writel(val, ctx->mixer_regs + reg_id); } -static inline void mixer_reg_writemask(struct mixer_resources *res, +static inline void mixer_reg_writemask(struct mixer_context *ctx, u32 reg_id, u32 val, u32 mask) { - u32 old = mixer_reg_read(res, reg_id); + u32 old = mixer_reg_read(ctx, reg_id); val = (val & mask) | (old & ~mask); - writel(val, res->mixer_regs + reg_id); + writel(val, ctx->mixer_regs + reg_id); } static void mixer_regs_dump(struct mixer_context *ctx) { #define DUMPREG(reg_id) \ do { \ - DRM_DEBUG_KMS(#reg_id " = %08x\n", \ - (u32)readl(ctx->mixer_res.mixer_regs + reg_id)); \ + DRM_DEV_DEBUG_KMS(ctx->dev, #reg_id " = %08x\n", \ + (u32)readl(ctx->mixer_regs + reg_id)); \ } while (0) DUMPREG(MXR_STATUS); @@ -269,8 +258,8 @@ static void vp_regs_dump(struct mixer_context *ctx) { #define DUMPREG(reg_id) \ do { \ - DRM_DEBUG_KMS(#reg_id " = %08x\n", \ - (u32) readl(ctx->mixer_res.vp_regs + reg_id)); \ + DRM_DEV_DEBUG_KMS(ctx->dev, #reg_id " = %08x\n", \ + (u32) readl(ctx->vp_regs + reg_id)); \ } while (0) DUMPREG(VP_ENABLE); @@ -300,7 +289,7 @@ do { \ #undef DUMPREG } -static inline void vp_filter_set(struct mixer_resources *res, +static inline void vp_filter_set(struct mixer_context *ctx, int reg_id, const u8 *data, unsigned int size) { /* assure 4-byte align */ @@ -308,144 +297,188 @@ static inline void vp_filter_set(struct mixer_resources *res, for (; size; size -= 4, reg_id += 4, data += 4) { u32 val = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; - vp_reg_write(res, reg_id, val); + vp_reg_write(ctx, reg_id, val); } } -static void vp_default_filter(struct mixer_resources *res) +static void vp_default_filter(struct mixer_context *ctx) { - vp_filter_set(res, VP_POLY8_Y0_LL, + vp_filter_set(ctx, VP_POLY8_Y0_LL, filter_y_horiz_tap8, sizeof(filter_y_horiz_tap8)); - vp_filter_set(res, VP_POLY4_Y0_LL, + vp_filter_set(ctx, VP_POLY4_Y0_LL, filter_y_vert_tap4, sizeof(filter_y_vert_tap4)); - vp_filter_set(res, VP_POLY4_C0_LL, + vp_filter_set(ctx, VP_POLY4_C0_LL, filter_cr_horiz_tap4, sizeof(filter_cr_horiz_tap4)); } static void mixer_cfg_gfx_blend(struct mixer_context *ctx, unsigned int win, - bool alpha) + unsigned int pixel_alpha, unsigned int alpha) { - struct mixer_resources *res = &ctx->mixer_res; + u32 win_alpha = alpha >> 8; u32 val; val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ - if (alpha) { - /* blending based on pixel alpha */ + switch (pixel_alpha) { + case DRM_MODE_BLEND_PIXEL_NONE: + break; + case DRM_MODE_BLEND_COVERAGE: + val |= MXR_GRP_CFG_PIXEL_BLEND_EN; + break; + case DRM_MODE_BLEND_PREMULTI: + default: val |= MXR_GRP_CFG_BLEND_PRE_MUL; val |= MXR_GRP_CFG_PIXEL_BLEND_EN; + break; } - mixer_reg_writemask(res, MXR_GRAPHIC_CFG(win), + + if (alpha != DRM_BLEND_ALPHA_OPAQUE) { + val |= MXR_GRP_CFG_WIN_BLEND_EN; + val |= win_alpha; + } + mixer_reg_writemask(ctx, MXR_GRAPHIC_CFG(win), val, MXR_GRP_CFG_MISC_MASK); } -static void mixer_cfg_vp_blend(struct mixer_context *ctx) +static void mixer_cfg_vp_blend(struct mixer_context *ctx, unsigned int alpha) { - struct mixer_resources *res = &ctx->mixer_res; - u32 val; + u32 win_alpha = alpha >> 8; + u32 val = 0; - /* - * No blending at the moment since the NV12/NV21 pixelformats don't - * have an alpha channel. However the mixer supports a global alpha - * value for a layer. Once this functionality is exposed, we can - * support blending of the video layer through this. - */ - val = 0; - mixer_reg_write(res, MXR_VIDEO_CFG, val); + if (alpha != DRM_BLEND_ALPHA_OPAQUE) { + val |= MXR_VID_CFG_BLEND_EN; + val |= win_alpha; + } + mixer_reg_write(ctx, MXR_VIDEO_CFG, val); +} + +static bool mixer_is_synced(struct mixer_context *ctx) +{ + u32 base, shadow; + + if (ctx->mxr_ver == MXR_VER_16_0_33_0 || + ctx->mxr_ver == MXR_VER_128_0_0_184) + return !(mixer_reg_read(ctx, MXR_CFG) & + MXR_CFG_LAYER_UPDATE_COUNT_MASK); + + if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags) && + vp_reg_read(ctx, VP_SHADOW_UPDATE)) + return false; + + base = mixer_reg_read(ctx, MXR_CFG); + shadow = mixer_reg_read(ctx, MXR_CFG_S); + if (base != shadow) + return false; + + base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(0)); + shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(0)); + if (base != shadow) + return false; + + base = mixer_reg_read(ctx, MXR_GRAPHIC_BASE(1)); + shadow = mixer_reg_read(ctx, MXR_GRAPHIC_BASE_S(1)); + if (base != shadow) + return false; + + return true; } -static void mixer_vsync_set_update(struct mixer_context *ctx, bool enable) +static int mixer_wait_for_sync(struct mixer_context *ctx) { - struct mixer_resources *res = &ctx->mixer_res; + ktime_t timeout = ktime_add_us(ktime_get(), 100000); - /* block update on vsync */ - mixer_reg_writemask(res, MXR_STATUS, enable ? - MXR_STATUS_SYNC_ENABLE : 0, MXR_STATUS_SYNC_ENABLE); + while (!mixer_is_synced(ctx)) { + usleep_range(1000, 2000); + if (ktime_compare(ktime_get(), timeout) > 0) + return -ETIMEDOUT; + } + return 0; +} +static void mixer_disable_sync(struct mixer_context *ctx) +{ + mixer_reg_writemask(ctx, MXR_STATUS, 0, MXR_STATUS_SYNC_ENABLE); +} + +static void mixer_enable_sync(struct mixer_context *ctx) +{ + if (ctx->mxr_ver == MXR_VER_16_0_33_0 || + ctx->mxr_ver == MXR_VER_128_0_0_184) + mixer_reg_writemask(ctx, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); + mixer_reg_writemask(ctx, MXR_STATUS, ~0, MXR_STATUS_SYNC_ENABLE); if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) - vp_reg_write(res, VP_SHADOW_UPDATE, enable ? - VP_SHADOW_UPDATE_ENABLE : 0); + vp_reg_write(ctx, VP_SHADOW_UPDATE, VP_SHADOW_UPDATE_ENABLE); } -static void mixer_cfg_scan(struct mixer_context *ctx, unsigned int height) +static void mixer_cfg_scan(struct mixer_context *ctx, int width, int height) { - struct mixer_resources *res = &ctx->mixer_res; u32 val; /* choosing between interlace and progressive mode */ val = test_bit(MXR_BIT_INTERLACE, &ctx->flags) ? MXR_CFG_SCAN_INTERLACE : MXR_CFG_SCAN_PROGRESSIVE; - if (ctx->mxr_ver != MXR_VER_128_0_0_184) { - /* choosing between proper HD and SD mode */ - if (height <= 480) - val |= MXR_CFG_SCAN_NTSC | MXR_CFG_SCAN_SD; - else if (height <= 576) - val |= MXR_CFG_SCAN_PAL | MXR_CFG_SCAN_SD; - else if (height <= 720) - val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD; - else if (height <= 1080) - val |= MXR_CFG_SCAN_HD_1080 | MXR_CFG_SCAN_HD; - else - val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD; - } + if (ctx->mxr_ver == MXR_VER_128_0_0_184) + mixer_reg_write(ctx, MXR_RESOLUTION, + MXR_MXR_RES_HEIGHT(height) | MXR_MXR_RES_WIDTH(width)); + else + val |= ctx->scan_value; - mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_SCAN_MASK); + mixer_reg_writemask(ctx, MXR_CFG, val, MXR_CFG_SCAN_MASK); } -static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, unsigned int height) +static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, struct drm_display_mode *mode) { - struct mixer_resources *res = &ctx->mixer_res; + enum hdmi_quantization_range range = drm_default_rgb_quant_range(mode); u32 val; - switch (height) { - case 480: - case 576: - val = MXR_CFG_RGB601_0_255; - break; - case 720: - case 1080: - default: - val = MXR_CFG_RGB709_16_235; + if (mode->vdisplay < 720) { + val = MXR_CFG_RGB601; + } else { + val = MXR_CFG_RGB709; + /* Configure the BT.709 CSC matrix for full range RGB. */ - mixer_reg_write(res, MXR_CM_COEFF_Y, + mixer_reg_write(ctx, MXR_CM_COEFF_Y, MXR_CSC_CT( 0.184, 0.614, 0.063) | MXR_CM_COEFF_RGB_FULL); - mixer_reg_write(res, MXR_CM_COEFF_CB, + mixer_reg_write(ctx, MXR_CM_COEFF_CB, MXR_CSC_CT(-0.102, -0.338, 0.440)); - mixer_reg_write(res, MXR_CM_COEFF_CR, + mixer_reg_write(ctx, MXR_CM_COEFF_CR, MXR_CSC_CT( 0.440, -0.399, -0.040)); - break; } - mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_RGB_FMT_MASK); + if (range == HDMI_QUANTIZATION_RANGE_FULL) + val |= MXR_CFG_QUANT_RANGE_FULL; + else + val |= MXR_CFG_QUANT_RANGE_LIMITED; + + mixer_reg_writemask(ctx, MXR_CFG, val, MXR_CFG_RGB_FMT_MASK); } static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win, unsigned int priority, bool enable) { - struct mixer_resources *res = &ctx->mixer_res; u32 val = enable ? ~0 : 0; switch (win) { case 0: - mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_GRP0_ENABLE); - mixer_reg_writemask(res, MXR_LAYER_CFG, + mixer_reg_writemask(ctx, MXR_CFG, val, MXR_CFG_GRP0_ENABLE); + mixer_reg_writemask(ctx, MXR_LAYER_CFG, MXR_LAYER_CFG_GRP0_VAL(priority), MXR_LAYER_CFG_GRP0_MASK); break; case 1: - mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_GRP1_ENABLE); - mixer_reg_writemask(res, MXR_LAYER_CFG, + mixer_reg_writemask(ctx, MXR_CFG, val, MXR_CFG_GRP1_ENABLE); + mixer_reg_writemask(ctx, MXR_LAYER_CFG, MXR_LAYER_CFG_GRP1_VAL(priority), MXR_LAYER_CFG_GRP1_MASK); break; case VP_DEFAULT_WIN: if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) { - vp_reg_writemask(res, VP_ENABLE, val, VP_ENABLE_ON); - mixer_reg_writemask(res, MXR_CFG, val, + vp_reg_writemask(ctx, VP_ENABLE, val, VP_ENABLE_ON); + mixer_reg_writemask(ctx, MXR_CFG, val, MXR_CFG_VP_ENABLE); - mixer_reg_writemask(res, MXR_LAYER_CFG, + mixer_reg_writemask(ctx, MXR_LAYER_CFG, MXR_LAYER_CFG_VP_VAL(priority), MXR_LAYER_CFG_VP_MASK); } @@ -455,150 +488,137 @@ static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win, static void mixer_run(struct mixer_context *ctx) { - struct mixer_resources *res = &ctx->mixer_res; - - mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_REG_RUN); + mixer_reg_writemask(ctx, MXR_STATUS, ~0, MXR_STATUS_REG_RUN); } static void mixer_stop(struct mixer_context *ctx) { - struct mixer_resources *res = &ctx->mixer_res; int timeout = 20; - mixer_reg_writemask(res, MXR_STATUS, 0, MXR_STATUS_REG_RUN); + mixer_reg_writemask(ctx, MXR_STATUS, 0, MXR_STATUS_REG_RUN); - while (!(mixer_reg_read(res, MXR_STATUS) & MXR_STATUS_REG_IDLE) && + while (!(mixer_reg_read(ctx, MXR_STATUS) & MXR_STATUS_REG_IDLE) && --timeout) usleep_range(10000, 12000); } +static void mixer_commit(struct mixer_context *ctx) +{ + struct drm_display_mode *mode = &ctx->crtc->base.state->adjusted_mode; + + mixer_cfg_scan(ctx, mode->hdisplay, mode->vdisplay); + mixer_cfg_rgb_fmt(ctx, mode); + mixer_run(ctx); +} + static void vp_video_buffer(struct mixer_context *ctx, struct exynos_drm_plane *plane) { struct exynos_drm_plane_state *state = to_exynos_plane_state(plane->base.state); - struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode; - struct mixer_resources *res = &ctx->mixer_res; struct drm_framebuffer *fb = state->base.fb; unsigned int priority = state->base.normalized_zpos + 1; unsigned long flags; dma_addr_t luma_addr[2], chroma_addr[2]; - bool tiled_mode = false; - bool crcb_mode = false; + bool is_tiled, is_nv21; u32 val; - switch (fb->format->format) { - case DRM_FORMAT_NV12: - crcb_mode = false; - break; - case DRM_FORMAT_NV21: - crcb_mode = true; - break; - default: - DRM_ERROR("pixel format for vp is wrong [%d].\n", - fb->format->format); - return; - } + is_nv21 = (fb->format->format == DRM_FORMAT_NV21); + is_tiled = (fb->modifier == DRM_FORMAT_MOD_SAMSUNG_64_32_TILE); luma_addr[0] = exynos_drm_fb_dma_addr(fb, 0); chroma_addr[0] = exynos_drm_fb_dma_addr(fb, 1); - if (mode->flags & DRM_MODE_FLAG_INTERLACE) { - __set_bit(MXR_BIT_INTERLACE, &ctx->flags); - if (tiled_mode) { + if (test_bit(MXR_BIT_INTERLACE, &ctx->flags)) { + if (is_tiled) { luma_addr[1] = luma_addr[0] + 0x40; chroma_addr[1] = chroma_addr[0] + 0x40; } else { luma_addr[1] = luma_addr[0] + fb->pitches[0]; - chroma_addr[1] = chroma_addr[0] + fb->pitches[0]; + chroma_addr[1] = chroma_addr[0] + fb->pitches[1]; } } else { - __clear_bit(MXR_BIT_INTERLACE, &ctx->flags); luma_addr[1] = 0; chroma_addr[1] = 0; } - spin_lock_irqsave(&res->reg_slock, flags); + spin_lock_irqsave(&ctx->reg_slock, flags); /* interlace or progressive scan mode */ val = (test_bit(MXR_BIT_INTERLACE, &ctx->flags) ? ~0 : 0); - vp_reg_writemask(res, VP_MODE, val, VP_MODE_LINE_SKIP); + vp_reg_writemask(ctx, VP_MODE, val, VP_MODE_LINE_SKIP); /* setup format */ - val = (crcb_mode ? VP_MODE_NV21 : VP_MODE_NV12); - val |= (tiled_mode ? VP_MODE_MEM_TILED : VP_MODE_MEM_LINEAR); - vp_reg_writemask(res, VP_MODE, val, VP_MODE_FMT_MASK); + val = (is_nv21 ? VP_MODE_NV21 : VP_MODE_NV12); + val |= (is_tiled ? VP_MODE_MEM_TILED : VP_MODE_MEM_LINEAR); + vp_reg_writemask(ctx, VP_MODE, val, VP_MODE_FMT_MASK); /* setting size of input image */ - vp_reg_write(res, VP_IMG_SIZE_Y, VP_IMG_HSIZE(fb->pitches[0]) | + vp_reg_write(ctx, VP_IMG_SIZE_Y, VP_IMG_HSIZE(fb->pitches[0]) | VP_IMG_VSIZE(fb->height)); - /* chroma height has to reduced by 2 to avoid chroma distorions */ - vp_reg_write(res, VP_IMG_SIZE_C, VP_IMG_HSIZE(fb->pitches[0]) | + /* chroma plane for NV12/NV21 is half the height of the luma plane */ + vp_reg_write(ctx, VP_IMG_SIZE_C, VP_IMG_HSIZE(fb->pitches[1]) | VP_IMG_VSIZE(fb->height / 2)); - vp_reg_write(res, VP_SRC_WIDTH, state->src.w); - vp_reg_write(res, VP_SRC_HEIGHT, state->src.h); - vp_reg_write(res, VP_SRC_H_POSITION, + vp_reg_write(ctx, VP_SRC_WIDTH, state->src.w); + vp_reg_write(ctx, VP_SRC_H_POSITION, VP_SRC_H_POSITION_VAL(state->src.x)); - vp_reg_write(res, VP_SRC_V_POSITION, state->src.y); + vp_reg_write(ctx, VP_DST_WIDTH, state->crtc.w); + vp_reg_write(ctx, VP_DST_H_POSITION, state->crtc.x); - vp_reg_write(res, VP_DST_WIDTH, state->crtc.w); - vp_reg_write(res, VP_DST_H_POSITION, state->crtc.x); if (test_bit(MXR_BIT_INTERLACE, &ctx->flags)) { - vp_reg_write(res, VP_DST_HEIGHT, state->crtc.h / 2); - vp_reg_write(res, VP_DST_V_POSITION, state->crtc.y / 2); + vp_reg_write(ctx, VP_SRC_HEIGHT, state->src.h / 2); + vp_reg_write(ctx, VP_SRC_V_POSITION, state->src.y / 2); + vp_reg_write(ctx, VP_DST_HEIGHT, state->crtc.h / 2); + vp_reg_write(ctx, VP_DST_V_POSITION, state->crtc.y / 2); } else { - vp_reg_write(res, VP_DST_HEIGHT, state->crtc.h); - vp_reg_write(res, VP_DST_V_POSITION, state->crtc.y); + vp_reg_write(ctx, VP_SRC_HEIGHT, state->src.h); + vp_reg_write(ctx, VP_SRC_V_POSITION, state->src.y); + vp_reg_write(ctx, VP_DST_HEIGHT, state->crtc.h); + vp_reg_write(ctx, VP_DST_V_POSITION, state->crtc.y); } - vp_reg_write(res, VP_H_RATIO, state->h_ratio); - vp_reg_write(res, VP_V_RATIO, state->v_ratio); + vp_reg_write(ctx, VP_H_RATIO, state->h_ratio); + vp_reg_write(ctx, VP_V_RATIO, state->v_ratio); - vp_reg_write(res, VP_ENDIAN_MODE, VP_ENDIAN_MODE_LITTLE); + vp_reg_write(ctx, VP_ENDIAN_MODE, VP_ENDIAN_MODE_LITTLE); /* set buffer address to vp */ - vp_reg_write(res, VP_TOP_Y_PTR, luma_addr[0]); - vp_reg_write(res, VP_BOT_Y_PTR, luma_addr[1]); - vp_reg_write(res, VP_TOP_C_PTR, chroma_addr[0]); - vp_reg_write(res, VP_BOT_C_PTR, chroma_addr[1]); + vp_reg_write(ctx, VP_TOP_Y_PTR, luma_addr[0]); + vp_reg_write(ctx, VP_BOT_Y_PTR, luma_addr[1]); + vp_reg_write(ctx, VP_TOP_C_PTR, chroma_addr[0]); + vp_reg_write(ctx, VP_BOT_C_PTR, chroma_addr[1]); - mixer_cfg_scan(ctx, mode->vdisplay); - mixer_cfg_rgb_fmt(ctx, mode->vdisplay); mixer_cfg_layer(ctx, plane->index, priority, true); - mixer_cfg_vp_blend(ctx); - mixer_run(ctx); + mixer_cfg_vp_blend(ctx, state->base.alpha); - spin_unlock_irqrestore(&res->reg_slock, flags); + spin_unlock_irqrestore(&ctx->reg_slock, flags); mixer_regs_dump(ctx); vp_regs_dump(ctx); } -static void mixer_layer_update(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - - mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); -} - static void mixer_graph_buffer(struct mixer_context *ctx, struct exynos_drm_plane *plane) { struct exynos_drm_plane_state *state = to_exynos_plane_state(plane->base.state); - struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode; - struct mixer_resources *res = &ctx->mixer_res; struct drm_framebuffer *fb = state->base.fb; unsigned int priority = state->base.normalized_zpos + 1; unsigned long flags; unsigned int win = plane->index; unsigned int x_ratio = 0, y_ratio = 0; - unsigned int src_x_offset, src_y_offset, dst_x_offset, dst_y_offset; + unsigned int dst_x_offset, dst_y_offset; + unsigned int pixel_alpha; dma_addr_t dma_addr; unsigned int fmt; u32 val; + if (fb->format->has_alpha) + pixel_alpha = state->base.pixel_blend_mode; + else + pixel_alpha = DRM_MODE_BLEND_PIXEL_NONE; + switch (fb->format->format) { case DRM_FORMAT_XRGB4444: case DRM_FORMAT_ARGB4444: @@ -616,12 +636,9 @@ static void mixer_graph_buffer(struct mixer_context *ctx, case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + default: fmt = MXR_FORMAT_ARGB8888; break; - - default: - DRM_DEBUG_KMS("pixelformat unsupported by mixer\n"); - return; } /* ratio is already checked by common plane code */ @@ -631,81 +648,51 @@ static void mixer_graph_buffer(struct mixer_context *ctx, dst_x_offset = state->crtc.x; dst_y_offset = state->crtc.y; - /* converting dma address base and source offset */ + /* translate dma address base s.t. the source image offset is zero */ dma_addr = exynos_drm_fb_dma_addr(fb, 0) + (state->src.x * fb->format->cpp[0]) + (state->src.y * fb->pitches[0]); - src_x_offset = 0; - src_y_offset = 0; - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - __set_bit(MXR_BIT_INTERLACE, &ctx->flags); - else - __clear_bit(MXR_BIT_INTERLACE, &ctx->flags); - - spin_lock_irqsave(&res->reg_slock, flags); + spin_lock_irqsave(&ctx->reg_slock, flags); /* setup format */ - mixer_reg_writemask(res, MXR_GRAPHIC_CFG(win), + mixer_reg_writemask(ctx, MXR_GRAPHIC_CFG(win), MXR_GRP_CFG_FORMAT_VAL(fmt), MXR_GRP_CFG_FORMAT_MASK); /* setup geometry */ - mixer_reg_write(res, MXR_GRAPHIC_SPAN(win), + mixer_reg_write(ctx, MXR_GRAPHIC_SPAN(win), fb->pitches[0] / fb->format->cpp[0]); - /* setup display size */ - if (ctx->mxr_ver == MXR_VER_128_0_0_184 && - win == DEFAULT_WIN) { - val = MXR_MXR_RES_HEIGHT(mode->vdisplay); - val |= MXR_MXR_RES_WIDTH(mode->hdisplay); - mixer_reg_write(res, MXR_RESOLUTION, val); - } - val = MXR_GRP_WH_WIDTH(state->src.w); val |= MXR_GRP_WH_HEIGHT(state->src.h); val |= MXR_GRP_WH_H_SCALE(x_ratio); val |= MXR_GRP_WH_V_SCALE(y_ratio); - mixer_reg_write(res, MXR_GRAPHIC_WH(win), val); - - /* setup offsets in source image */ - val = MXR_GRP_SXY_SX(src_x_offset); - val |= MXR_GRP_SXY_SY(src_y_offset); - mixer_reg_write(res, MXR_GRAPHIC_SXY(win), val); + mixer_reg_write(ctx, MXR_GRAPHIC_WH(win), val); /* setup offsets in display image */ val = MXR_GRP_DXY_DX(dst_x_offset); val |= MXR_GRP_DXY_DY(dst_y_offset); - mixer_reg_write(res, MXR_GRAPHIC_DXY(win), val); + mixer_reg_write(ctx, MXR_GRAPHIC_DXY(win), val); /* set buffer address to mixer */ - mixer_reg_write(res, MXR_GRAPHIC_BASE(win), dma_addr); + mixer_reg_write(ctx, MXR_GRAPHIC_BASE(win), dma_addr); - mixer_cfg_scan(ctx, mode->vdisplay); - mixer_cfg_rgb_fmt(ctx, mode->vdisplay); mixer_cfg_layer(ctx, win, priority, true); - mixer_cfg_gfx_blend(ctx, win, is_alpha_format(fb->format->format)); + mixer_cfg_gfx_blend(ctx, win, pixel_alpha, state->base.alpha); - /* layer update mandatory for mixer 16.0.33.0 */ - if (ctx->mxr_ver == MXR_VER_16_0_33_0 || - ctx->mxr_ver == MXR_VER_128_0_0_184) - mixer_layer_update(ctx); - - mixer_run(ctx); - - spin_unlock_irqrestore(&res->reg_slock, flags); + spin_unlock_irqrestore(&ctx->reg_slock, flags); mixer_regs_dump(ctx); } static void vp_win_reset(struct mixer_context *ctx) { - struct mixer_resources *res = &ctx->mixer_res; unsigned int tries = 100; - vp_reg_write(res, VP_SRESET, VP_SRESET_PROCESSING); + vp_reg_write(ctx, VP_SRESET, VP_SRESET_PROCESSING); while (--tries) { /* waiting until VP_SRESET_PROCESSING is 0 */ - if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING) + if (~vp_reg_read(ctx, VP_SRESET) & VP_SRESET_PROCESSING) break; mdelay(10); } @@ -714,53 +701,55 @@ static void vp_win_reset(struct mixer_context *ctx) static void mixer_win_reset(struct mixer_context *ctx) { - struct mixer_resources *res = &ctx->mixer_res; unsigned long flags; - spin_lock_irqsave(&res->reg_slock, flags); + spin_lock_irqsave(&ctx->reg_slock, flags); - mixer_reg_writemask(res, MXR_CFG, MXR_CFG_DST_HDMI, MXR_CFG_DST_MASK); + mixer_reg_writemask(ctx, MXR_CFG, MXR_CFG_DST_HDMI, MXR_CFG_DST_MASK); /* set output in RGB888 mode */ - mixer_reg_writemask(res, MXR_CFG, MXR_CFG_OUT_RGB888, MXR_CFG_OUT_MASK); + mixer_reg_writemask(ctx, MXR_CFG, MXR_CFG_OUT_RGB888, MXR_CFG_OUT_MASK); /* 16 beat burst in DMA */ - mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST, + mixer_reg_writemask(ctx, MXR_STATUS, MXR_STATUS_16_BURST, MXR_STATUS_BURST_MASK); /* reset default layer priority */ - mixer_reg_write(res, MXR_LAYER_CFG, 0); + mixer_reg_write(ctx, MXR_LAYER_CFG, 0); /* set all background colors to RGB (0,0,0) */ - mixer_reg_write(res, MXR_BG_COLOR0, MXR_YCBCR_VAL(0, 128, 128)); - mixer_reg_write(res, MXR_BG_COLOR1, MXR_YCBCR_VAL(0, 128, 128)); - mixer_reg_write(res, MXR_BG_COLOR2, MXR_YCBCR_VAL(0, 128, 128)); + mixer_reg_write(ctx, MXR_BG_COLOR0, MXR_YCBCR_VAL(0, 128, 128)); + mixer_reg_write(ctx, MXR_BG_COLOR1, MXR_YCBCR_VAL(0, 128, 128)); + mixer_reg_write(ctx, MXR_BG_COLOR2, MXR_YCBCR_VAL(0, 128, 128)); if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) { /* configuration of Video Processor Registers */ vp_win_reset(ctx); - vp_default_filter(res); + vp_default_filter(ctx); } /* disable all layers */ - mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_GRP0_ENABLE); - mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_GRP1_ENABLE); + mixer_reg_writemask(ctx, MXR_CFG, 0, MXR_CFG_GRP0_ENABLE); + mixer_reg_writemask(ctx, MXR_CFG, 0, MXR_CFG_GRP1_ENABLE); if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) - mixer_reg_writemask(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE); + mixer_reg_writemask(ctx, MXR_CFG, 0, MXR_CFG_VP_ENABLE); + + /* set all source image offsets to zero */ + mixer_reg_write(ctx, MXR_GRAPHIC_SXY(0), 0); + mixer_reg_write(ctx, MXR_GRAPHIC_SXY(1), 0); - spin_unlock_irqrestore(&res->reg_slock, flags); + spin_unlock_irqrestore(&ctx->reg_slock, flags); } static irqreturn_t mixer_irq_handler(int irq, void *arg) { struct mixer_context *ctx = arg; - struct mixer_resources *res = &ctx->mixer_res; - u32 val, base, shadow; + u32 val; - spin_lock(&res->reg_slock); + spin_lock(&ctx->reg_slock); /* read interrupt status for handling and clearing flags for VSYNC */ - val = mixer_reg_read(res, MXR_INT_STATUS); + val = mixer_reg_read(ctx, MXR_INT_STATUS); /* handling VSYNC */ if (val & MXR_INT_STATUS_VSYNC) { @@ -769,26 +758,18 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) val &= ~MXR_INT_STATUS_VSYNC; /* interlace scan need to check shadow register */ - if (test_bit(MXR_BIT_INTERLACE, &ctx->flags)) { - base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0)); - shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0)); - if (base != shadow) - goto out; - - base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1)); - shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1)); - if (base != shadow) - goto out; - } + if (test_bit(MXR_BIT_INTERLACE, &ctx->flags) + && !mixer_is_synced(ctx)) + goto out; drm_crtc_handle_vblank(&ctx->crtc->base); } out: /* clear interrupts */ - mixer_reg_write(res, MXR_INT_STATUS, val); + mixer_reg_write(ctx, MXR_INT_STATUS, val); - spin_unlock(&res->reg_slock); + spin_unlock(&ctx->reg_slock); return IRQ_HANDLED; } @@ -796,26 +777,25 @@ out: static int mixer_resources_init(struct mixer_context *mixer_ctx) { struct device *dev = &mixer_ctx->pdev->dev; - struct mixer_resources *mixer_res = &mixer_ctx->mixer_res; struct resource *res; int ret; - spin_lock_init(&mixer_res->reg_slock); + spin_lock_init(&mixer_ctx->reg_slock); - mixer_res->mixer = devm_clk_get(dev, "mixer"); - if (IS_ERR(mixer_res->mixer)) { + mixer_ctx->mixer = devm_clk_get(dev, "mixer"); + if (IS_ERR(mixer_ctx->mixer)) { dev_err(dev, "failed to get clock 'mixer'\n"); return -ENODEV; } - mixer_res->hdmi = devm_clk_get(dev, "hdmi"); - if (IS_ERR(mixer_res->hdmi)) { + mixer_ctx->hdmi = devm_clk_get(dev, "hdmi"); + if (IS_ERR(mixer_ctx->hdmi)) { dev_err(dev, "failed to get clock 'hdmi'\n"); - return PTR_ERR(mixer_res->hdmi); + return PTR_ERR(mixer_ctx->hdmi); } - mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); - if (IS_ERR(mixer_res->sclk_hdmi)) { + mixer_ctx->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); + if (IS_ERR(mixer_ctx->sclk_hdmi)) { dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); return -ENODEV; } @@ -825,26 +805,24 @@ static int mixer_resources_init(struct mixer_context *mixer_ctx) return -ENXIO; } - mixer_res->mixer_regs = devm_ioremap(dev, res->start, + mixer_ctx->mixer_regs = devm_ioremap(dev, res->start, resource_size(res)); - if (mixer_res->mixer_regs == NULL) { + if (mixer_ctx->mixer_regs == NULL) { dev_err(dev, "register mapping failed.\n"); return -ENXIO; } - res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - dev_err(dev, "get interrupt resource failed.\n"); - return -ENXIO; - } + ret = platform_get_irq(mixer_ctx->pdev, 0); + if (ret < 0) + return ret; + mixer_ctx->irq = ret; - ret = devm_request_irq(dev, res->start, mixer_irq_handler, - 0, "drm_mixer", mixer_ctx); + ret = devm_request_irq(dev, mixer_ctx->irq, mixer_irq_handler, + 0, "drm_mixer", mixer_ctx); if (ret) { dev_err(dev, "request interrupt failed.\n"); return ret; } - mixer_res->irq = res->start; return 0; } @@ -852,30 +830,29 @@ static int mixer_resources_init(struct mixer_context *mixer_ctx) static int vp_resources_init(struct mixer_context *mixer_ctx) { struct device *dev = &mixer_ctx->pdev->dev; - struct mixer_resources *mixer_res = &mixer_ctx->mixer_res; struct resource *res; - mixer_res->vp = devm_clk_get(dev, "vp"); - if (IS_ERR(mixer_res->vp)) { + mixer_ctx->vp = devm_clk_get(dev, "vp"); + if (IS_ERR(mixer_ctx->vp)) { dev_err(dev, "failed to get clock 'vp'\n"); return -ENODEV; } if (test_bit(MXR_BIT_HAS_SCLK, &mixer_ctx->flags)) { - mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer"); - if (IS_ERR(mixer_res->sclk_mixer)) { + mixer_ctx->sclk_mixer = devm_clk_get(dev, "sclk_mixer"); + if (IS_ERR(mixer_ctx->sclk_mixer)) { dev_err(dev, "failed to get clock 'sclk_mixer'\n"); return -ENODEV; } - mixer_res->mout_mixer = devm_clk_get(dev, "mout_mixer"); - if (IS_ERR(mixer_res->mout_mixer)) { + mixer_ctx->mout_mixer = devm_clk_get(dev, "mout_mixer"); + if (IS_ERR(mixer_ctx->mout_mixer)) { dev_err(dev, "failed to get clock 'mout_mixer'\n"); return -ENODEV; } - if (mixer_res->sclk_hdmi && mixer_res->mout_mixer) - clk_set_parent(mixer_res->mout_mixer, - mixer_res->sclk_hdmi); + if (mixer_ctx->sclk_hdmi && mixer_ctx->mout_mixer) + clk_set_parent(mixer_ctx->mout_mixer, + mixer_ctx->sclk_hdmi); } res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 1); @@ -884,9 +861,9 @@ static int vp_resources_init(struct mixer_context *mixer_ctx) return -ENXIO; } - mixer_res->vp_regs = devm_ioremap(dev, res->start, + mixer_ctx->vp_regs = devm_ioremap(dev, res->start, resource_size(res)); - if (mixer_res->vp_regs == NULL) { + if (mixer_ctx->vp_regs == NULL) { dev_err(dev, "register mapping failed.\n"); return -ENXIO; } @@ -898,15 +875,14 @@ static int mixer_initialize(struct mixer_context *mixer_ctx, struct drm_device *drm_dev) { int ret; - struct exynos_drm_private *priv; - priv = drm_dev->dev_private; mixer_ctx->drm_dev = drm_dev; /* acquire resources: regs, irqs, clocks */ ret = mixer_resources_init(mixer_ctx); if (ret) { - DRM_ERROR("mixer_resources_init failed ret=%d\n", ret); + DRM_DEV_ERROR(mixer_ctx->dev, + "mixer_resources_init failed ret=%d\n", ret); return ret; } @@ -914,31 +890,33 @@ static int mixer_initialize(struct mixer_context *mixer_ctx, /* acquire vp resources: regs, irqs, clocks */ ret = vp_resources_init(mixer_ctx); if (ret) { - DRM_ERROR("vp_resources_init failed ret=%d\n", ret); + DRM_DEV_ERROR(mixer_ctx->dev, + "vp_resources_init failed ret=%d\n", ret); return ret; } } - return drm_iommu_attach_device(drm_dev, mixer_ctx->dev); + return exynos_drm_register_dma(drm_dev, mixer_ctx->dev, + &mixer_ctx->dma_priv); } static void mixer_ctx_remove(struct mixer_context *mixer_ctx) { - drm_iommu_detach_device(mixer_ctx->drm_dev, mixer_ctx->dev); + exynos_drm_unregister_dma(mixer_ctx->drm_dev, mixer_ctx->dev, + &mixer_ctx->dma_priv); } static int mixer_enable_vblank(struct exynos_drm_crtc *crtc) { struct mixer_context *mixer_ctx = crtc->ctx; - struct mixer_resources *res = &mixer_ctx->mixer_res; __set_bit(MXR_BIT_VSYNC, &mixer_ctx->flags); if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return 0; /* enable vsync interrupt */ - mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); - mixer_reg_writemask(res, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC); + mixer_reg_writemask(mixer_ctx, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); + mixer_reg_writemask(mixer_ctx, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC); return 0; } @@ -946,7 +924,6 @@ static int mixer_enable_vblank(struct exynos_drm_crtc *crtc) static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) { struct mixer_context *mixer_ctx = crtc->ctx; - struct mixer_resources *res = &mixer_ctx->mixer_res; __clear_bit(MXR_BIT_VSYNC, &mixer_ctx->flags); @@ -954,18 +931,20 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) return; /* disable vsync interrupt */ - mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); - mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); + mixer_reg_writemask(mixer_ctx, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); + mixer_reg_writemask(mixer_ctx, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } static void mixer_atomic_begin(struct exynos_drm_crtc *crtc) { - struct mixer_context *mixer_ctx = crtc->ctx; + struct mixer_context *ctx = crtc->ctx; - if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) + if (!test_bit(MXR_BIT_POWERED, &ctx->flags)) return; - mixer_vsync_set_update(mixer_ctx, false); + if (mixer_wait_for_sync(ctx)) + dev_err(ctx->dev, "timeout waiting for VSYNC\n"); + mixer_disable_sync(ctx); } static void mixer_update_plane(struct exynos_drm_crtc *crtc, @@ -973,7 +952,7 @@ static void mixer_update_plane(struct exynos_drm_crtc *crtc, { struct mixer_context *mixer_ctx = crtc->ctx; - DRM_DEBUG_KMS("win: %d\n", plane->index); + DRM_DEV_DEBUG_KMS(mixer_ctx->dev, "win: %d\n", plane->index); if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return; @@ -988,17 +967,16 @@ static void mixer_disable_plane(struct exynos_drm_crtc *crtc, struct exynos_drm_plane *plane) { struct mixer_context *mixer_ctx = crtc->ctx; - struct mixer_resources *res = &mixer_ctx->mixer_res; unsigned long flags; - DRM_DEBUG_KMS("win: %d\n", plane->index); + DRM_DEV_DEBUG_KMS(mixer_ctx->dev, "win: %d\n", plane->index); if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return; - spin_lock_irqsave(&res->reg_slock, flags); + spin_lock_irqsave(&mixer_ctx->reg_slock, flags); mixer_cfg_layer(mixer_ctx, plane->index, 0, false); - spin_unlock_irqrestore(&res->reg_slock, flags); + spin_unlock_irqrestore(&mixer_ctx->reg_slock, flags); } static void mixer_atomic_flush(struct exynos_drm_crtc *crtc) @@ -1008,38 +986,45 @@ static void mixer_atomic_flush(struct exynos_drm_crtc *crtc) if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return; - mixer_vsync_set_update(mixer_ctx, true); + mixer_enable_sync(mixer_ctx); exynos_crtc_handle_event(crtc); } -static void mixer_enable(struct exynos_drm_crtc *crtc) +static void mixer_atomic_enable(struct exynos_drm_crtc *crtc) { struct mixer_context *ctx = crtc->ctx; - struct mixer_resources *res = &ctx->mixer_res; + int ret; if (test_bit(MXR_BIT_POWERED, &ctx->flags)) return; - pm_runtime_get_sync(ctx->dev); + ret = pm_runtime_resume_and_get(ctx->dev); + if (ret < 0) { + dev_err(ctx->dev, "failed to enable MIXER device.\n"); + return; + } exynos_drm_pipe_clk_enable(crtc, true); - mixer_vsync_set_update(ctx, false); + mixer_disable_sync(ctx); - mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); + mixer_reg_writemask(ctx, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); if (test_bit(MXR_BIT_VSYNC, &ctx->flags)) { - mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); - mixer_reg_writemask(res, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC); + mixer_reg_writemask(ctx, MXR_INT_STATUS, ~0, + MXR_INT_CLEAR_VSYNC); + mixer_reg_writemask(ctx, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC); } mixer_win_reset(ctx); - mixer_vsync_set_update(ctx, true); + mixer_commit(ctx); + + mixer_enable_sync(ctx); set_bit(MXR_BIT_POWERED, &ctx->flags); } -static void mixer_disable(struct exynos_drm_crtc *crtc) +static void mixer_atomic_disable(struct exynos_drm_crtc *crtc) { struct mixer_context *ctx = crtc->ctx; int i; @@ -1060,38 +1045,89 @@ static void mixer_disable(struct exynos_drm_crtc *crtc) clear_bit(MXR_BIT_POWERED, &ctx->flags); } -/* Only valid for Mixer version 16.0.33.0 */ -static int mixer_atomic_check(struct exynos_drm_crtc *crtc, - struct drm_crtc_state *state) +static enum drm_mode_status mixer_mode_valid(struct exynos_drm_crtc *crtc, + const struct drm_display_mode *mode) { - struct drm_display_mode *mode = &state->adjusted_mode; - u32 w, h; + struct mixer_context *ctx = crtc->ctx; + u32 w = mode->hdisplay, h = mode->vdisplay; - w = mode->hdisplay; - h = mode->vdisplay; + DRM_DEV_DEBUG_KMS(ctx->dev, "xres=%d, yres=%d, refresh=%d, intl=%d\n", + w, h, drm_mode_vrefresh(mode), + !!(mode->flags & DRM_MODE_FLAG_INTERLACE)); - DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d\n", - mode->hdisplay, mode->vdisplay, mode->vrefresh, - (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0); + if (ctx->mxr_ver == MXR_VER_128_0_0_184) + return MODE_OK; if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) || - (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) || - (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080)) - return 0; + (w >= 1024 && w <= 1280 && h >= 576 && h <= 720) || + (w >= 1664 && w <= 1920 && h >= 936 && h <= 1080)) + return MODE_OK; - return -EINVAL; + if ((w == 1024 && h == 768) || + (w == 1366 && h == 768) || + (w == 1280 && h == 1024)) + return MODE_OK; + + return MODE_BAD; +} + +static bool mixer_mode_fixup(struct exynos_drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct mixer_context *ctx = crtc->ctx; + int width = mode->hdisplay, height = mode->vdisplay, i; + + static const struct { + int hdisplay, vdisplay, htotal, vtotal, scan_val; + } modes[] = { + { 720, 480, 858, 525, MXR_CFG_SCAN_NTSC | MXR_CFG_SCAN_SD }, + { 720, 576, 864, 625, MXR_CFG_SCAN_PAL | MXR_CFG_SCAN_SD }, + { 1280, 720, 1650, 750, MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD }, + { 1920, 1080, 2200, 1125, MXR_CFG_SCAN_HD_1080 | + MXR_CFG_SCAN_HD } + }; + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + __set_bit(MXR_BIT_INTERLACE, &ctx->flags); + else + __clear_bit(MXR_BIT_INTERLACE, &ctx->flags); + + if (ctx->mxr_ver == MXR_VER_128_0_0_184) + return true; + + for (i = 0; i < ARRAY_SIZE(modes); ++i) + if (width <= modes[i].hdisplay && height <= modes[i].vdisplay) { + ctx->scan_value = modes[i].scan_val; + if (width < modes[i].hdisplay || + height < modes[i].vdisplay) { + adjusted_mode->hdisplay = modes[i].hdisplay; + adjusted_mode->hsync_start = modes[i].hdisplay; + adjusted_mode->hsync_end = modes[i].htotal; + adjusted_mode->htotal = modes[i].htotal; + adjusted_mode->vdisplay = modes[i].vdisplay; + adjusted_mode->vsync_start = modes[i].vdisplay; + adjusted_mode->vsync_end = modes[i].vtotal; + adjusted_mode->vtotal = modes[i].vtotal; + } + + return true; + } + + return false; } static const struct exynos_drm_crtc_ops mixer_crtc_ops = { - .enable = mixer_enable, - .disable = mixer_disable, + .atomic_enable = mixer_atomic_enable, + .atomic_disable = mixer_atomic_disable, .enable_vblank = mixer_enable_vblank, .disable_vblank = mixer_disable_vblank, .atomic_begin = mixer_atomic_begin, .update_plane = mixer_update_plane, .disable_plane = mixer_disable_plane, .atomic_flush = mixer_atomic_flush, - .atomic_check = mixer_atomic_check, + .mode_valid = mixer_mode_valid, + .mode_fixup = mixer_mode_fixup, }; static const struct mixer_drv_data exynos5420_mxr_drv_data = { @@ -1197,7 +1233,7 @@ static int mixer_probe(struct platform_device *pdev) ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) { - DRM_ERROR("failed to alloc mixer context.\n"); + DRM_DEV_ERROR(dev, "failed to alloc mixer context.\n"); return -ENOMEM; } @@ -1214,33 +1250,32 @@ static int mixer_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ctx); + pm_runtime_enable(dev); + ret = component_add(&pdev->dev, &mixer_component_ops); - if (!ret) - pm_runtime_enable(dev); + if (ret) + pm_runtime_disable(dev); return ret; } -static int mixer_remove(struct platform_device *pdev) +static void mixer_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); component_del(&pdev->dev, &mixer_component_ops); - - return 0; } static int __maybe_unused exynos_mixer_suspend(struct device *dev) { struct mixer_context *ctx = dev_get_drvdata(dev); - struct mixer_resources *res = &ctx->mixer_res; - clk_disable_unprepare(res->hdmi); - clk_disable_unprepare(res->mixer); + clk_disable_unprepare(ctx->hdmi); + clk_disable_unprepare(ctx->mixer); if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) { - clk_disable_unprepare(res->vp); + clk_disable_unprepare(ctx->vp); if (test_bit(MXR_BIT_HAS_SCLK, &ctx->flags)) - clk_disable_unprepare(res->sclk_mixer); + clk_disable_unprepare(ctx->sclk_mixer); } return 0; @@ -1249,32 +1284,37 @@ static int __maybe_unused exynos_mixer_suspend(struct device *dev) static int __maybe_unused exynos_mixer_resume(struct device *dev) { struct mixer_context *ctx = dev_get_drvdata(dev); - struct mixer_resources *res = &ctx->mixer_res; int ret; - ret = clk_prepare_enable(res->mixer); + ret = clk_prepare_enable(ctx->mixer); if (ret < 0) { - DRM_ERROR("Failed to prepare_enable the mixer clk [%d]\n", ret); + DRM_DEV_ERROR(ctx->dev, + "Failed to prepare_enable the mixer clk [%d]\n", + ret); return ret; } - ret = clk_prepare_enable(res->hdmi); + ret = clk_prepare_enable(ctx->hdmi); if (ret < 0) { - DRM_ERROR("Failed to prepare_enable the hdmi clk [%d]\n", ret); + DRM_DEV_ERROR(dev, + "Failed to prepare_enable the hdmi clk [%d]\n", + ret); return ret; } if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) { - ret = clk_prepare_enable(res->vp); + ret = clk_prepare_enable(ctx->vp); if (ret < 0) { - DRM_ERROR("Failed to prepare_enable the vp clk [%d]\n", - ret); + DRM_DEV_ERROR(dev, + "Failed to prepare_enable the vp clk [%d]\n", + ret); return ret; } if (test_bit(MXR_BIT_HAS_SCLK, &ctx->flags)) { - ret = clk_prepare_enable(res->sclk_mixer); + ret = clk_prepare_enable(ctx->sclk_mixer); if (ret < 0) { - DRM_ERROR("Failed to prepare_enable the " \ + DRM_DEV_ERROR(dev, + "Failed to prepare_enable the " \ "sclk_mixer clk [%d]\n", - ret); + ret); return ret; } } @@ -1285,12 +1325,13 @@ static int __maybe_unused exynos_mixer_resume(struct device *dev) static const struct dev_pm_ops exynos_mixer_pm_ops = { SET_RUNTIME_PM_OPS(exynos_mixer_suspend, exynos_mixer_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) }; struct platform_driver mixer_driver = { .driver = { .name = "exynos-mixer", - .owner = THIS_MODULE, .pm = &exynos_mixer_pm_ops, .of_match_table = mixer_match_types, }, |