diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_mixer.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 735 |
1 files changed, 384 insertions, 351 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index c187ea33b74..7529946d0a7 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/i2c.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -31,15 +30,20 @@ #include <linux/pm_runtime.h> #include <linux/clk.h> #include <linux/regulator/consumer.h> +#include <linux/of.h> +#include <linux/component.h> #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" #include "exynos_drm_crtc.h" -#include "exynos_drm_hdmi.h" #include "exynos_drm_iommu.h" +#include "exynos_mixer.h" -#define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev)) +#define get_mixer_manager(dev) platform_get_drvdata(to_platform_device(dev)) + +#define MIXER_WIN_NR 3 +#define MIXER_DEFAULT_WIN 0 struct hdmi_win_data { dma_addr_t dma_addr; @@ -78,9 +82,11 @@ struct mixer_resources { enum mixer_version_id { MXR_VER_0_0_0_16, MXR_VER_16_0_33_0, + MXR_VER_128_0_0_184, }; struct mixer_context { + struct platform_device *pdev; struct device *dev; struct drm_device *drm_dev; int pipe; @@ -93,7 +99,6 @@ struct mixer_context { struct mixer_resources mixer_res; struct hdmi_win_data win_data[MIXER_WIN_NR]; enum mixer_version_id mxr_ver; - void *parent_ctx; wait_queue_head_t wait_vsync_queue; atomic_t wait_vsync_event; }; @@ -283,17 +288,19 @@ static void mixer_cfg_scan(struct mixer_context *ctx, unsigned int height) val = (ctx->interlace ? MXR_CFG_SCAN_INTERLACE : MXR_CFG_SCAN_PROGRASSIVE); - /* choosing between porper 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) { + /* 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; + } mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_SCAN_MASK); } @@ -370,13 +377,27 @@ static void mixer_run(struct mixer_context *ctx) mixer_regs_dump(ctx); } +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); + + while (!(mixer_reg_read(res, MXR_STATUS) & MXR_STATUS_REG_IDLE) && + --timeout) + usleep_range(10000, 12000); + + mixer_regs_dump(ctx); +} + static void vp_video_buffer(struct mixer_context *ctx, int win) { struct mixer_resources *res = &ctx->mixer_res; unsigned long flags; struct hdmi_win_data *win_data; unsigned int x_ratio, y_ratio; - unsigned int buf_num; + unsigned int buf_num = 1; dma_addr_t luma_addr[2], chroma_addr[2]; bool tiled_mode = false; bool crcb_mode = false; @@ -490,13 +511,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) static void mixer_layer_update(struct mixer_context *ctx) { struct mixer_resources *res = &ctx->mixer_res; - u32 val; - val = mixer_reg_read(res, MXR_CFG); - - /* allow one update per vsync only */ - if (!(val & MXR_CFG_LAYER_UPDATE_COUNT_MASK)) - mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); + mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); } static void mixer_graph_buffer(struct mixer_context *ctx, int win) @@ -557,6 +573,14 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) /* setup geometry */ mixer_reg_write(res, MXR_GRAPHIC_SPAN(win), win_data->fb_width); + /* setup display size */ + if (ctx->mxr_ver == MXR_VER_128_0_0_184 && + win == MIXER_DEFAULT_WIN) { + val = MXR_MXR_RES_HEIGHT(win_data->fb_height); + val |= MXR_MXR_RES_WIDTH(win_data->fb_width); + mixer_reg_write(res, MXR_RESOLUTION, val); + } + val = MXR_GRP_WH_WIDTH(win_data->crtc_width); val |= MXR_GRP_WH_HEIGHT(win_data->crtc_height); val |= MXR_GRP_WH_H_SCALE(x_ratio); @@ -581,7 +605,8 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) mixer_cfg_layer(ctx, win, true); /* layer update mandatory for mixer 16.0.33.0 */ - if (ctx->mxr_ver == MXR_VER_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); @@ -600,7 +625,7 @@ static void vp_win_reset(struct mixer_context *ctx) /* waiting until VP_SRESET_PROCESSING is 0 */ if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING) break; - mdelay(10); + usleep_range(10000, 12000); } WARN(tries == 0, "failed to reset Video Processor\n"); } @@ -643,12 +668,14 @@ static void mixer_win_reset(struct mixer_context *ctx) /* setting graphical layers */ val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ val |= MXR_GRP_CFG_WIN_BLEND_EN; - val |= MXR_GRP_CFG_BLEND_PRE_MUL; - val |= MXR_GRP_CFG_PIXEL_BLEND_EN; val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ - /* the same configuration for both layers */ + /* Don't blend layer 0 onto the mixer background */ mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); + + /* Blend layer 1 into layer 0 */ + val |= MXR_GRP_CFG_BLEND_PRE_MUL; + val |= MXR_GRP_CFG_PIXEL_BLEND_EN; mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); /* setting video layers */ @@ -671,32 +698,197 @@ static void mixer_win_reset(struct mixer_context *ctx) spin_unlock_irqrestore(&res->reg_slock, flags); } -static int mixer_iommu_on(void *ctx, bool enable) +static irqreturn_t mixer_irq_handler(int irq, void *arg) { - struct exynos_drm_hdmi_context *drm_hdmi_ctx; - struct mixer_context *mdata = ctx; - struct drm_device *drm_dev; + struct mixer_context *ctx = arg; + struct mixer_resources *res = &ctx->mixer_res; + u32 val, base, shadow; + + spin_lock(&res->reg_slock); + + /* read interrupt status for handling and clearing flags for VSYNC */ + val = mixer_reg_read(res, MXR_INT_STATUS); + + /* handling VSYNC */ + if (val & MXR_INT_STATUS_VSYNC) { + /* interlace scan need to check shadow register */ + if (ctx->interlace) { + base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0)); + shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0)); + if (base != shadow) + goto out; - drm_hdmi_ctx = mdata->parent_ctx; - drm_dev = drm_hdmi_ctx->drm_dev; + 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 (is_drm_iommu_supported(drm_dev)) { - if (enable) - return drm_iommu_attach_device(drm_dev, mdata->dev); + drm_handle_vblank(ctx->drm_dev, ctx->pipe); + exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); - drm_iommu_detach_device(drm_dev, mdata->dev); + /* set wait vsync event to zero and wake up queue. */ + if (atomic_read(&ctx->wait_vsync_event)) { + atomic_set(&ctx->wait_vsync_event, 0); + wake_up(&ctx->wait_vsync_queue); + } } + +out: + /* clear interrupts */ + if (~val & MXR_INT_EN_VSYNC) { + /* vsync interrupt use different bit for read and clear */ + val &= ~MXR_INT_EN_VSYNC; + val |= MXR_INT_CLEAR_VSYNC; + } + mixer_reg_write(res, MXR_INT_STATUS, val); + + spin_unlock(&res->reg_slock); + + return IRQ_HANDLED; +} + +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); + + mixer_res->mixer = devm_clk_get(dev, "mixer"); + if (IS_ERR(mixer_res->mixer)) { + dev_err(dev, "failed to get clock 'mixer'\n"); + return -ENODEV; + } + + mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); + if (IS_ERR(mixer_res->sclk_hdmi)) { + dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); + return -ENODEV; + } + res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(dev, "get memory resource failed.\n"); + return -ENXIO; + } + + mixer_res->mixer_regs = devm_ioremap(dev, res->start, + resource_size(res)); + if (mixer_res->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 = devm_request_irq(dev, res->start, 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; } -static int mixer_enable_vblank(void *ctx, int pipe) +static int vp_resources_init(struct mixer_context *mixer_ctx) { - struct mixer_context *mixer_ctx = ctx; - struct mixer_resources *res = &mixer_ctx->mixer_res; + 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)) { + dev_err(dev, "failed to get clock 'vp'\n"); + return -ENODEV; + } + mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer"); + if (IS_ERR(mixer_res->sclk_mixer)) { + dev_err(dev, "failed to get clock 'sclk_mixer'\n"); + return -ENODEV; + } + mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac"); + if (IS_ERR(mixer_res->sclk_dac)) { + dev_err(dev, "failed to get clock 'sclk_dac'\n"); + return -ENODEV; + } + + if (mixer_res->sclk_hdmi) + clk_set_parent(mixer_res->sclk_mixer, mixer_res->sclk_hdmi); + + res = platform_get_resource(mixer_ctx->pdev, IORESOURCE_MEM, 1); + if (res == NULL) { + dev_err(dev, "get memory resource failed.\n"); + return -ENXIO; + } + + mixer_res->vp_regs = devm_ioremap(dev, res->start, + resource_size(res)); + if (mixer_res->vp_regs == NULL) { + dev_err(dev, "register mapping failed.\n"); + return -ENXIO; + } + + return 0; +} + +static int mixer_initialize(struct exynos_drm_manager *mgr, + struct drm_device *drm_dev) +{ + int ret; + struct mixer_context *mixer_ctx = mgr->ctx; + struct exynos_drm_private *priv; + priv = drm_dev->dev_private; + + mgr->drm_dev = mixer_ctx->drm_dev = drm_dev; + mgr->pipe = mixer_ctx->pipe = priv->pipe++; + + /* acquire resources: regs, irqs, clocks */ + ret = mixer_resources_init(mixer_ctx); + if (ret) { + DRM_ERROR("mixer_resources_init failed ret=%d\n", ret); + return ret; + } + + if (mixer_ctx->vp_enabled) { + /* acquire vp resources: regs, irqs, clocks */ + ret = vp_resources_init(mixer_ctx); + if (ret) { + DRM_ERROR("vp_resources_init failed ret=%d\n", ret); + return ret; + } + } + + if (!is_drm_iommu_supported(mixer_ctx->drm_dev)) + return 0; + + return drm_iommu_attach_device(mixer_ctx->drm_dev, mixer_ctx->dev); +} + +static void mixer_mgr_remove(struct exynos_drm_manager *mgr) +{ + struct mixer_context *mixer_ctx = mgr->ctx; + + if (is_drm_iommu_supported(mixer_ctx->drm_dev)) + drm_iommu_detach_device(mixer_ctx->drm_dev, mixer_ctx->dev); +} - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); +static int mixer_enable_vblank(struct exynos_drm_manager *mgr) +{ + struct mixer_context *mixer_ctx = mgr->ctx; + struct mixer_resources *res = &mixer_ctx->mixer_res; - mixer_ctx->pipe = pipe; + if (!mixer_ctx->powered) { + mixer_ctx->int_en |= MXR_INT_EN_VSYNC; + return 0; + } /* enable vsync interrupt */ mixer_reg_writemask(res, MXR_INT_EN, MXR_INT_EN_VSYNC, @@ -705,26 +897,22 @@ static int mixer_enable_vblank(void *ctx, int pipe) return 0; } -static void mixer_disable_vblank(void *ctx) +static void mixer_disable_vblank(struct exynos_drm_manager *mgr) { - struct mixer_context *mixer_ctx = ctx; + struct mixer_context *mixer_ctx = mgr->ctx; struct mixer_resources *res = &mixer_ctx->mixer_res; - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - /* disable vsync interrupt */ mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } -static void mixer_win_mode_set(void *ctx, - struct exynos_drm_overlay *overlay) +static void mixer_win_mode_set(struct exynos_drm_manager *mgr, + struct exynos_drm_overlay *overlay) { - struct mixer_context *mixer_ctx = ctx; + struct mixer_context *mixer_ctx = mgr->ctx; struct hdmi_win_data *win_data; int win; - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - if (!overlay) { DRM_ERROR("overlay is NULL\n"); return; @@ -740,7 +928,7 @@ static void mixer_win_mode_set(void *ctx, if (win == DEFAULT_ZPOS) win = MIXER_DEFAULT_WIN; - if (win < 0 || win > MIXER_WIN_NR) { + if (win < 0 || win >= MIXER_WIN_NR) { DRM_ERROR("mixer window[%d] is wrong\n", win); return; } @@ -770,11 +958,19 @@ static void mixer_win_mode_set(void *ctx, win_data->scan_flags = overlay->scan_flag; } -static void mixer_win_commit(void *ctx, int win) +static void mixer_win_commit(struct exynos_drm_manager *mgr, int zpos) { - struct mixer_context *mixer_ctx = ctx; + struct mixer_context *mixer_ctx = mgr->ctx; + int win = zpos == DEFAULT_ZPOS ? MIXER_DEFAULT_WIN : zpos; - DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); + DRM_DEBUG_KMS("win: %d\n", win); + + mutex_lock(&mixer_ctx->mixer_mutex); + if (!mixer_ctx->powered) { + mutex_unlock(&mixer_ctx->mixer_mutex); + return; + } + mutex_unlock(&mixer_ctx->mixer_mutex); if (win > 1 && mixer_ctx->vp_enabled) vp_video_buffer(mixer_ctx, win); @@ -784,13 +980,14 @@ static void mixer_win_commit(void *ctx, int win) mixer_ctx->win_data[win].enabled = true; } -static void mixer_win_disable(void *ctx, int win) +static void mixer_win_disable(struct exynos_drm_manager *mgr, int zpos) { - struct mixer_context *mixer_ctx = ctx; + struct mixer_context *mixer_ctx = mgr->ctx; struct mixer_resources *res = &mixer_ctx->mixer_res; + int win = zpos == DEFAULT_ZPOS ? MIXER_DEFAULT_WIN : zpos; unsigned long flags; - DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); + DRM_DEBUG_KMS("win: %d\n", win); mutex_lock(&mixer_ctx->mixer_mutex); if (!mixer_ctx->powered) { @@ -811,9 +1008,9 @@ static void mixer_win_disable(void *ctx, int win) mixer_ctx->win_data[win].enabled = false; } -static void mixer_wait_for_vblank(void *ctx) +static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr) { - struct mixer_context *mixer_ctx = ctx; + struct mixer_context *mixer_ctx = mgr->ctx; mutex_lock(&mixer_ctx->mixer_mutex); if (!mixer_ctx->powered) { @@ -822,6 +1019,8 @@ static void mixer_wait_for_vblank(void *ctx) } mutex_unlock(&mixer_ctx->mixer_mutex); + drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe); + atomic_set(&mixer_ctx->wait_vsync_event, 1); /* @@ -830,25 +1029,29 @@ static void mixer_wait_for_vblank(void *ctx) */ if (!wait_event_timeout(mixer_ctx->wait_vsync_queue, !atomic_read(&mixer_ctx->wait_vsync_event), - DRM_HZ/20)) + HZ/20)) DRM_DEBUG_KMS("vblank wait timed out.\n"); + + drm_vblank_put(mgr->crtc->dev, mixer_ctx->pipe); } -static void mixer_window_suspend(struct mixer_context *ctx) +static void mixer_window_suspend(struct exynos_drm_manager *mgr) { + struct mixer_context *ctx = mgr->ctx; struct hdmi_win_data *win_data; int i; for (i = 0; i < MIXER_WIN_NR; i++) { win_data = &ctx->win_data[i]; win_data->resume = win_data->enabled; - mixer_win_disable(ctx, i); + mixer_win_disable(mgr, i); } - mixer_wait_for_vblank(ctx); + mixer_wait_for_vblank(mgr); } -static void mixer_window_resume(struct mixer_context *ctx) +static void mixer_window_resume(struct exynos_drm_manager *mgr) { + struct mixer_context *ctx = mgr->ctx; struct hdmi_win_data *win_data; int i; @@ -856,79 +1059,84 @@ static void mixer_window_resume(struct mixer_context *ctx) win_data = &ctx->win_data[i]; win_data->enabled = win_data->resume; win_data->resume = false; + if (win_data->enabled) + mixer_win_commit(mgr, i); } } -static void mixer_poweron(struct mixer_context *ctx) +static void mixer_poweron(struct exynos_drm_manager *mgr) { + struct mixer_context *ctx = mgr->ctx; struct mixer_resources *res = &ctx->mixer_res; - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - mutex_lock(&ctx->mixer_mutex); if (ctx->powered) { mutex_unlock(&ctx->mixer_mutex); return; } - ctx->powered = true; + mutex_unlock(&ctx->mixer_mutex); - clk_enable(res->mixer); + pm_runtime_get_sync(ctx->dev); + + clk_prepare_enable(res->mixer); if (ctx->vp_enabled) { - clk_enable(res->vp); - clk_enable(res->sclk_mixer); + clk_prepare_enable(res->vp); + clk_prepare_enable(res->sclk_mixer); } + mutex_lock(&ctx->mixer_mutex); + ctx->powered = true; + mutex_unlock(&ctx->mixer_mutex); + + mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); + mixer_reg_write(res, MXR_INT_EN, ctx->int_en); mixer_win_reset(ctx); - mixer_window_resume(ctx); + mixer_window_resume(mgr); } -static void mixer_poweroff(struct mixer_context *ctx) +static void mixer_poweroff(struct exynos_drm_manager *mgr) { + struct mixer_context *ctx = mgr->ctx; struct mixer_resources *res = &ctx->mixer_res; - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - mutex_lock(&ctx->mixer_mutex); - if (!ctx->powered) - goto out; + if (!ctx->powered) { + mutex_unlock(&ctx->mixer_mutex); + return; + } mutex_unlock(&ctx->mixer_mutex); - mixer_window_suspend(ctx); + mixer_stop(ctx); + mixer_window_suspend(mgr); ctx->int_en = mixer_reg_read(res, MXR_INT_EN); - clk_disable(res->mixer); - if (ctx->vp_enabled) { - clk_disable(res->vp); - clk_disable(res->sclk_mixer); - } - mutex_lock(&ctx->mixer_mutex); ctx->powered = false; - -out: mutex_unlock(&ctx->mixer_mutex); -} -static void mixer_dpms(void *ctx, int mode) -{ - struct mixer_context *mixer_ctx = ctx; + clk_disable_unprepare(res->mixer); + if (ctx->vp_enabled) { + clk_disable_unprepare(res->vp); + clk_disable_unprepare(res->sclk_mixer); + } - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + pm_runtime_put_sync(ctx->dev); +} +static void mixer_dpms(struct exynos_drm_manager *mgr, int mode) +{ switch (mode) { case DRM_MODE_DPMS_ON: - if (pm_runtime_suspended(mixer_ctx->dev)) - pm_runtime_get_sync(mixer_ctx->dev); + mixer_poweron(mgr); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - if (!pm_runtime_suspended(mixer_ctx->dev)) - pm_runtime_put_sync(mixer_ctx->dev); + mixer_poweroff(mgr); break; default: DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); @@ -936,173 +1144,52 @@ static void mixer_dpms(void *ctx, int mode) } } -static struct exynos_mixer_ops mixer_ops = { - /* manager */ - .iommu_on = mixer_iommu_on, - .enable_vblank = mixer_enable_vblank, - .disable_vblank = mixer_disable_vblank, - .wait_for_vblank = mixer_wait_for_vblank, - .dpms = mixer_dpms, - - /* overlay */ - .win_mode_set = mixer_win_mode_set, - .win_commit = mixer_win_commit, - .win_disable = mixer_win_disable, -}; - -static irqreturn_t mixer_irq_handler(int irq, void *arg) -{ - struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg; - struct mixer_context *ctx = drm_hdmi_ctx->ctx; - struct mixer_resources *res = &ctx->mixer_res; - u32 val, base, shadow; - - spin_lock(&res->reg_slock); - - /* read interrupt status for handling and clearing flags for VSYNC */ - val = mixer_reg_read(res, MXR_INT_STATUS); - - /* handling VSYNC */ - if (val & MXR_INT_STATUS_VSYNC) { - /* interlace scan need to check shadow register */ - if (ctx->interlace) { - 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; - } - - drm_handle_vblank(drm_hdmi_ctx->drm_dev, ctx->pipe); - exynos_drm_crtc_finish_pageflip(drm_hdmi_ctx->drm_dev, - ctx->pipe); - - /* set wait vsync event to zero and wake up queue. */ - if (atomic_read(&ctx->wait_vsync_event)) { - atomic_set(&ctx->wait_vsync_event, 0); - DRM_WAKEUP(&ctx->wait_vsync_queue); - } - } - -out: - /* clear interrupts */ - if (~val & MXR_INT_EN_VSYNC) { - /* vsync interrupt use different bit for read and clear */ - val &= ~MXR_INT_EN_VSYNC; - val |= MXR_INT_CLEAR_VSYNC; - } - mixer_reg_write(res, MXR_INT_STATUS, val); - - spin_unlock(&res->reg_slock); - - return IRQ_HANDLED; -} - -static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx, - struct platform_device *pdev) +/* Only valid for Mixer version 16.0.33.0 */ +int mixer_check_mode(struct drm_display_mode *mode) { - struct mixer_context *mixer_ctx = ctx->ctx; - struct device *dev = &pdev->dev; - struct mixer_resources *mixer_res = &mixer_ctx->mixer_res; - struct resource *res; - int ret; + u32 w, h; - spin_lock_init(&mixer_res->reg_slock); + w = mode->hdisplay; + h = mode->vdisplay; - mixer_res->mixer = devm_clk_get(dev, "mixer"); - if (IS_ERR_OR_NULL(mixer_res->mixer)) { - dev_err(dev, "failed to get clock 'mixer'\n"); - return -ENODEV; - } + 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); - mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi"); - if (IS_ERR_OR_NULL(mixer_res->sclk_hdmi)) { - dev_err(dev, "failed to get clock 'sclk_hdmi'\n"); - return -ENODEV; - } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(dev, "get memory resource failed.\n"); - return -ENXIO; - } - - mixer_res->mixer_regs = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); - if (mixer_res->mixer_regs == NULL) { - dev_err(dev, "register mapping failed.\n"); - return -ENXIO; - } - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - dev_err(dev, "get interrupt resource failed.\n"); - return -ENXIO; - } - - ret = devm_request_irq(&pdev->dev, res->start, mixer_irq_handler, - 0, "drm_mixer", ctx); - if (ret) { - dev_err(dev, "request interrupt failed.\n"); - return ret; - } - mixer_res->irq = res->start; + 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; - return 0; + return -EINVAL; } -static int vp_resources_init(struct exynos_drm_hdmi_context *ctx, - struct platform_device *pdev) -{ - struct mixer_context *mixer_ctx = ctx->ctx; - struct device *dev = &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_OR_NULL(mixer_res->vp)) { - dev_err(dev, "failed to get clock 'vp'\n"); - return -ENODEV; - } - mixer_res->sclk_mixer = devm_clk_get(dev, "sclk_mixer"); - if (IS_ERR_OR_NULL(mixer_res->sclk_mixer)) { - dev_err(dev, "failed to get clock 'sclk_mixer'\n"); - return -ENODEV; - } - mixer_res->sclk_dac = devm_clk_get(dev, "sclk_dac"); - if (IS_ERR_OR_NULL(mixer_res->sclk_dac)) { - dev_err(dev, "failed to get clock 'sclk_dac'\n"); - return -ENODEV; - } - - if (mixer_res->sclk_hdmi) - clk_set_parent(mixer_res->sclk_mixer, mixer_res->sclk_hdmi); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res == NULL) { - dev_err(dev, "get memory resource failed.\n"); - return -ENXIO; - } +static struct exynos_drm_manager_ops mixer_manager_ops = { + .dpms = mixer_dpms, + .enable_vblank = mixer_enable_vblank, + .disable_vblank = mixer_disable_vblank, + .wait_for_vblank = mixer_wait_for_vblank, + .win_mode_set = mixer_win_mode_set, + .win_commit = mixer_win_commit, + .win_disable = mixer_win_disable, +}; - mixer_res->vp_regs = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); - if (mixer_res->vp_regs == NULL) { - dev_err(dev, "register mapping failed.\n"); - return -ENXIO; - } +static struct exynos_drm_manager mixer_manager = { + .type = EXYNOS_DISPLAY_TYPE_HDMI, + .ops = &mixer_manager_ops, +}; - return 0; -} +static struct mixer_drv_data exynos5420_mxr_drv_data = { + .version = MXR_VER_128_0_0_184, + .is_vp_enabled = 0, +}; -static struct mixer_drv_data exynos5_mxr_drv_data = { +static struct mixer_drv_data exynos5250_mxr_drv_data = { .version = MXR_VER_16_0_33_0, .is_vp_enabled = 0, }; -static struct mixer_drv_data exynos4_mxr_drv_data = { +static struct mixer_drv_data exynos4210_mxr_drv_data = { .version = MXR_VER_0_0_0_16, .is_vp_enabled = 1, }; @@ -1110,10 +1197,10 @@ static struct mixer_drv_data exynos4_mxr_drv_data = { static struct platform_device_id mixer_driver_types[] = { { .name = "s5p-mixer", - .driver_data = (unsigned long)&exynos4_mxr_drv_data, + .driver_data = (unsigned long)&exynos4210_mxr_drv_data, }, { .name = "exynos5-mixer", - .driver_data = (unsigned long)&exynos5_mxr_drv_data, + .driver_data = (unsigned long)&exynos5250_mxr_drv_data, }, { /* end node */ } @@ -1122,29 +1209,28 @@ static struct platform_device_id mixer_driver_types[] = { static struct of_device_id mixer_match_types[] = { { .compatible = "samsung,exynos5-mixer", - .data = &exynos5_mxr_drv_data, + .data = &exynos5250_mxr_drv_data, + }, { + .compatible = "samsung,exynos5250-mixer", + .data = &exynos5250_mxr_drv_data, + }, { + .compatible = "samsung,exynos5420-mixer", + .data = &exynos5420_mxr_drv_data, }, { /* end node */ } }; -static int mixer_probe(struct platform_device *pdev) +static int mixer_bind(struct device *dev, struct device *manager, void *data) { - struct device *dev = &pdev->dev; - struct exynos_drm_hdmi_context *drm_hdmi_ctx; + struct platform_device *pdev = to_platform_device(dev); + struct drm_device *drm_dev = data; struct mixer_context *ctx; struct mixer_drv_data *drv; int ret; dev_info(dev, "probe start\n"); - drm_hdmi_ctx = devm_kzalloc(&pdev->dev, sizeof(*drm_hdmi_ctx), - GFP_KERNEL); - if (!drm_hdmi_ctx) { - DRM_ERROR("failed to allocate common hdmi context.\n"); - return -ENOMEM; - } - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) { DRM_ERROR("failed to alloc mixer context.\n"); @@ -1155,137 +1241,84 @@ static int mixer_probe(struct platform_device *pdev) if (dev->of_node) { const struct of_device_id *match; - match = of_match_node(of_match_ptr(mixer_match_types), - pdev->dev.of_node); + match = of_match_node(mixer_match_types, dev->of_node); drv = (struct mixer_drv_data *)match->data; } else { drv = (struct mixer_drv_data *) platform_get_device_id(pdev)->driver_data; } - ctx->dev = &pdev->dev; - ctx->parent_ctx = (void *)drm_hdmi_ctx; - drm_hdmi_ctx->ctx = (void *)ctx; + ctx->pdev = pdev; + ctx->dev = dev; ctx->vp_enabled = drv->is_vp_enabled; ctx->mxr_ver = drv->version; - DRM_INIT_WAITQUEUE(&ctx->wait_vsync_queue); + init_waitqueue_head(&ctx->wait_vsync_queue); atomic_set(&ctx->wait_vsync_event, 0); - platform_set_drvdata(pdev, drm_hdmi_ctx); + mixer_manager.ctx = ctx; + ret = mixer_initialize(&mixer_manager, drm_dev); + if (ret) + return ret; - /* acquire resources: regs, irqs, clocks */ - ret = mixer_resources_init(drm_hdmi_ctx, pdev); + platform_set_drvdata(pdev, &mixer_manager); + ret = exynos_drm_crtc_create(&mixer_manager); if (ret) { - DRM_ERROR("mixer_resources_init failed\n"); - goto fail; - } - - if (ctx->vp_enabled) { - /* acquire vp resources: regs, irqs, clocks */ - ret = vp_resources_init(drm_hdmi_ctx, pdev); - if (ret) { - DRM_ERROR("vp_resources_init failed\n"); - goto fail; - } + mixer_mgr_remove(&mixer_manager); + return ret; } - /* attach mixer driver to common hdmi. */ - exynos_mixer_drv_attach(drm_hdmi_ctx); - - /* register specific callback point to common hdmi. */ - exynos_mixer_ops_register(&mixer_ops); - pm_runtime_enable(dev); return 0; - - -fail: - dev_info(dev, "probe failed\n"); - return ret; } -static int mixer_remove(struct platform_device *pdev) +static void mixer_unbind(struct device *dev, struct device *master, void *data) { - dev_info(&pdev->dev, "remove successful\n"); + struct exynos_drm_manager *mgr = dev_get_drvdata(dev); + struct drm_crtc *crtc = mgr->crtc; - pm_runtime_disable(&pdev->dev); + dev_info(dev, "remove successful\n"); - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int mixer_suspend(struct device *dev) -{ - struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev); - struct mixer_context *ctx = drm_hdmi_ctx->ctx; + mixer_mgr_remove(mgr); - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + pm_runtime_disable(dev); - if (pm_runtime_suspended(dev)) { - DRM_DEBUG_KMS("%s : Already suspended\n", __func__); - return 0; - } - - mixer_poweroff(ctx); - - return 0; + crtc->funcs->destroy(crtc); } -static int mixer_resume(struct device *dev) -{ - struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev); - struct mixer_context *ctx = drm_hdmi_ctx->ctx; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - if (!pm_runtime_suspended(dev)) { - DRM_DEBUG_KMS("%s : Already resumed\n", __func__); - return 0; - } - - mixer_poweron(ctx); - - return 0; -} -#endif +static const struct component_ops mixer_component_ops = { + .bind = mixer_bind, + .unbind = mixer_unbind, +}; -#ifdef CONFIG_PM_RUNTIME -static int mixer_runtime_suspend(struct device *dev) +static int mixer_probe(struct platform_device *pdev) { - struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev); - struct mixer_context *ctx = drm_hdmi_ctx->ctx; + int ret; - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC, + mixer_manager.type); + if (ret) + return ret; - mixer_poweroff(ctx); + ret = component_add(&pdev->dev, &mixer_component_ops); + if (ret) + exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC); - return 0; + return ret; } -static int mixer_runtime_resume(struct device *dev) +static int mixer_remove(struct platform_device *pdev) { - struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev); - struct mixer_context *ctx = drm_hdmi_ctx->ctx; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - mixer_poweron(ctx); + component_del(&pdev->dev, &mixer_component_ops); + exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CRTC); return 0; } -#endif - -static const struct dev_pm_ops mixer_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(mixer_suspend, mixer_resume) - SET_RUNTIME_PM_OPS(mixer_runtime_suspend, mixer_runtime_resume, NULL) -}; struct platform_driver mixer_driver = { .driver = { .name = "exynos-mixer", .owner = THIS_MODULE, - .pm = &mixer_pm_ops, .of_match_table = mixer_match_types, }, .probe = mixer_probe, |