diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 77 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 276 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 288 |
4 files changed, 341 insertions, 306 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index 3424463676e0..5d9d2c2f8f3f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -37,6 +37,8 @@ struct drm_hdmi_context { struct exynos_drm_subdrv subdrv; struct exynos_drm_hdmi_context *hdmi_ctx; struct exynos_drm_hdmi_context *mixer_ctx; + + bool enabled[MIXER_WIN_NR]; }; void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops) @@ -189,23 +191,34 @@ static void drm_hdmi_dpms(struct device *subdrv_dev, int mode) DRM_DEBUG_KMS("%s\n", __FILE__); - switch (mode) { - case DRM_MODE_DPMS_ON: - break; - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - case DRM_MODE_DPMS_OFF: - if (hdmi_ops && hdmi_ops->disable) - hdmi_ops->disable(ctx->hdmi_ctx->ctx); - break; - default: - DRM_DEBUG_KMS("unkown dps mode: %d\n", mode); - break; + if (mixer_ops && mixer_ops->dpms) + mixer_ops->dpms(ctx->mixer_ctx->ctx, mode); + + if (hdmi_ops && hdmi_ops->dpms) + hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode); +} + +static void drm_hdmi_apply(struct device *subdrv_dev) +{ + struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int i; + + DRM_DEBUG_KMS("%s\n", __FILE__); + + for (i = 0; i < MIXER_WIN_NR; i++) { + if (!ctx->enabled[i]) + continue; + if (mixer_ops && mixer_ops->win_commit) + mixer_ops->win_commit(ctx->mixer_ctx->ctx, i); } + + if (hdmi_ops && hdmi_ops->commit) + hdmi_ops->commit(ctx->hdmi_ctx->ctx); } static struct exynos_drm_manager_ops drm_hdmi_manager_ops = { .dpms = drm_hdmi_dpms, + .apply = drm_hdmi_apply, .enable_vblank = drm_hdmi_enable_vblank, .disable_vblank = drm_hdmi_disable_vblank, .mode_fixup = drm_hdmi_mode_fixup, @@ -228,21 +241,37 @@ static void drm_mixer_mode_set(struct device *subdrv_dev, static void drm_mixer_commit(struct device *subdrv_dev, int zpos) { struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos; DRM_DEBUG_KMS("%s\n", __FILE__); + if (win < 0 || win > MIXER_WIN_NR) { + DRM_ERROR("mixer window[%d] is wrong\n", win); + return; + } + if (mixer_ops && mixer_ops->win_commit) - mixer_ops->win_commit(ctx->mixer_ctx->ctx, zpos); + mixer_ops->win_commit(ctx->mixer_ctx->ctx, win); + + ctx->enabled[win] = true; } static void drm_mixer_disable(struct device *subdrv_dev, int zpos) { struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos; DRM_DEBUG_KMS("%s\n", __FILE__); + if (win < 0 || win > MIXER_WIN_NR) { + DRM_ERROR("mixer window[%d] is wrong\n", win); + return; + } + if (mixer_ops && mixer_ops->win_disable) - mixer_ops->win_disable(ctx->mixer_ctx->ctx, zpos); + mixer_ops->win_disable(ctx->mixer_ctx->ctx, win); + + ctx->enabled[win] = false; } static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = { @@ -335,25 +364,6 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev) return 0; } -static int hdmi_runtime_suspend(struct device *dev) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - return 0; -} - -static int hdmi_runtime_resume(struct device *dev) -{ - DRM_DEBUG_KMS("%s\n", __FILE__); - - return 0; -} - -static const struct dev_pm_ops hdmi_pm_ops = { - .runtime_suspend = hdmi_runtime_suspend, - .runtime_resume = hdmi_runtime_resume, -}; - static int __devexit exynos_drm_hdmi_remove(struct platform_device *pdev) { struct drm_hdmi_context *ctx = platform_get_drvdata(pdev); @@ -372,6 +382,5 @@ struct platform_driver exynos_drm_common_hdmi_driver = { .driver = { .name = "exynos-drm-hdmi", .owner = THIS_MODULE, - .pm = &hdmi_pm_ops, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h index f3ae192c8dcf..bd8126996e52 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h @@ -26,6 +26,9 @@ #ifndef _EXYNOS_DRM_HDMI_H_ #define _EXYNOS_DRM_HDMI_H_ +#define MIXER_WIN_NR 3 +#define MIXER_DEFAULT_WIN 0 + /* * exynos hdmi common context structure. * @@ -54,13 +57,14 @@ struct exynos_hdmi_ops { void (*get_max_resol)(void *ctx, unsigned int *width, unsigned int *height); void (*commit)(void *ctx); - void (*disable)(void *ctx); + void (*dpms)(void *ctx, int mode); }; struct exynos_mixer_ops { /* manager */ int (*enable_vblank)(void *ctx, int pipe); void (*disable_vblank)(void *ctx); + void (*dpms)(void *ctx, int mode); /* overlay */ void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay); diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 5b04af145fa7..9212d7d53f3a 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -57,13 +57,15 @@ struct hdmi_resources { struct hdmi_context { struct device *dev; struct drm_device *drm_dev; - bool hpd_handle; - bool enabled; + bool hpd; + bool powered; bool is_v13; + struct mutex hdmi_mutex; struct resource *regs_res; void __iomem *regs; - unsigned int irq; + unsigned int external_irq; + unsigned int internal_irq; struct i2c_client *ddc_port; struct i2c_client *hdmiphy_port; @@ -1192,12 +1194,8 @@ static int hdmi_conf_index(struct hdmi_context *hdata, static bool hdmi_is_connected(void *ctx) { struct hdmi_context *hdata = ctx; - u32 val = hdmi_reg_read(hdata, HDMI_HPD_STATUS); - if (val) - return true; - - return false; + return hdata->hpd; } static int hdmi_get_edid(void *ctx, struct drm_connector *connector, @@ -1287,28 +1285,6 @@ static int hdmi_check_timing(void *ctx, void *timing) return hdmi_v14_check_timing(check_timing); } -static int hdmi_display_power_on(void *ctx, int mode) -{ - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - switch (mode) { - case DRM_MODE_DPMS_ON: - DRM_DEBUG_KMS("hdmi [on]\n"); - break; - case DRM_MODE_DPMS_STANDBY: - break; - case DRM_MODE_DPMS_SUSPEND: - break; - case DRM_MODE_DPMS_OFF: - DRM_DEBUG_KMS("hdmi [off]\n"); - break; - default: - break; - } - - return 0; -} - static void hdmi_set_acr(u32 freq, u8 *acr) { u32 n, cts; @@ -1476,9 +1452,6 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) { u32 reg; - /* disable hpd handle for drm */ - hdata->hpd_handle = false; - if (hdata->is_v13) reg = HDMI_V13_CORE_RSTOUT; else @@ -1489,16 +1462,10 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) mdelay(10); hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT); mdelay(10); - - /* enable hpd handle for drm */ - hdata->hpd_handle = true; } static void hdmi_conf_init(struct hdmi_context *hdata) { - /* disable hpd handle for drm */ - hdata->hpd_handle = false; - /* enable HPD interrupts */ hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG); @@ -1533,9 +1500,6 @@ static void hdmi_conf_init(struct hdmi_context *hdata) hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 2 << 5); hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5); } - - /* enable hpd handle for drm */ - hdata->hpd_handle = true; } static void hdmi_v13_timing_apply(struct hdmi_context *hdata) @@ -1888,8 +1852,11 @@ static void hdmi_conf_apply(struct hdmi_context *hdata) hdmiphy_conf_reset(hdata); hdmiphy_conf_apply(hdata); + mutex_lock(&hdata->hdmi_mutex); hdmi_conf_reset(hdata); hdmi_conf_init(hdata); + mutex_unlock(&hdata->hdmi_mutex); + hdmi_audio_init(hdata); /* setting core registers */ @@ -1969,20 +1936,86 @@ static void hdmi_commit(void *ctx) DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); hdmi_conf_apply(hdata); +} + +static void hdmi_poweron(struct hdmi_context *hdata) +{ + struct hdmi_resources *res = &hdata->res; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + mutex_lock(&hdata->hdmi_mutex); + if (hdata->powered) { + mutex_unlock(&hdata->hdmi_mutex); + return; + } - hdata->enabled = true; + hdata->powered = true; + + if (hdata->cfg_hpd) + hdata->cfg_hpd(true); + mutex_unlock(&hdata->hdmi_mutex); + + pm_runtime_get_sync(hdata->dev); + + regulator_bulk_enable(res->regul_count, res->regul_bulk); + clk_enable(res->hdmiphy); + clk_enable(res->hdmi); + clk_enable(res->sclk_hdmi); +} + +static void hdmi_poweroff(struct hdmi_context *hdata) +{ + struct hdmi_resources *res = &hdata->res; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + mutex_lock(&hdata->hdmi_mutex); + if (!hdata->powered) + goto out; + mutex_unlock(&hdata->hdmi_mutex); + + /* + * The TV power domain needs any condition of hdmiphy to turn off and + * its reset state seems to meet the condition. + */ + hdmiphy_conf_reset(hdata); + + clk_disable(res->sclk_hdmi); + clk_disable(res->hdmi); + clk_disable(res->hdmiphy); + regulator_bulk_disable(res->regul_count, res->regul_bulk); + + pm_runtime_put_sync(hdata->dev); + + mutex_lock(&hdata->hdmi_mutex); + if (hdata->cfg_hpd) + hdata->cfg_hpd(false); + + hdata->powered = false; + +out: + mutex_unlock(&hdata->hdmi_mutex); } -static void hdmi_disable(void *ctx) +static void hdmi_dpms(void *ctx, int mode) { struct hdmi_context *hdata = ctx; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - if (hdata->enabled) { - hdmi_audio_control(hdata, false); - hdmiphy_conf_reset(hdata); - hdmi_conf_reset(hdata); + switch (mode) { + case DRM_MODE_DPMS_ON: + hdmi_poweron(hdata); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + hdmi_poweroff(hdata); + break; + default: + DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); + break; } } @@ -1991,17 +2024,35 @@ static struct exynos_hdmi_ops hdmi_ops = { .is_connected = hdmi_is_connected, .get_edid = hdmi_get_edid, .check_timing = hdmi_check_timing, - .power_on = hdmi_display_power_on, /* manager */ .mode_fixup = hdmi_mode_fixup, .mode_set = hdmi_mode_set, .get_max_resol = hdmi_get_max_resol, .commit = hdmi_commit, - .disable = hdmi_disable, + .dpms = hdmi_dpms, }; -static irqreturn_t hdmi_irq_thread(int irq, void *arg) +static irqreturn_t hdmi_external_irq_thread(int irq, void *arg) +{ + struct exynos_drm_hdmi_context *ctx = arg; + struct hdmi_context *hdata = ctx->ctx; + + if (!hdata->get_hpd) + goto out; + + mutex_lock(&hdata->hdmi_mutex); + hdata->hpd = hdata->get_hpd(); + mutex_unlock(&hdata->hdmi_mutex); + + if (ctx->drm_dev) + drm_helper_hpd_irq_event(ctx->drm_dev); + +out: + return IRQ_HANDLED; +} + +static irqreturn_t hdmi_internal_irq_thread(int irq, void *arg) { struct exynos_drm_hdmi_context *ctx = arg; struct hdmi_context *hdata = ctx->ctx; @@ -2010,19 +2061,28 @@ static irqreturn_t hdmi_irq_thread(int irq, void *arg) intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG); /* clearing flags for HPD plug/unplug */ if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) { - DRM_DEBUG_KMS("unplugged, handling:%d\n", hdata->hpd_handle); + DRM_DEBUG_KMS("unplugged\n"); hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0, HDMI_INTC_FLAG_HPD_UNPLUG); } if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) { - DRM_DEBUG_KMS("plugged, handling:%d\n", hdata->hpd_handle); + DRM_DEBUG_KMS("plugged\n"); hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0, HDMI_INTC_FLAG_HPD_PLUG); } - if (ctx->drm_dev && hdata->hpd_handle) + mutex_lock(&hdata->hdmi_mutex); + hdata->hpd = hdmi_reg_read(hdata, HDMI_HPD_STATUS); + if (hdata->powered && hdata->hpd) { + mutex_unlock(&hdata->hdmi_mutex); + goto out; + } + mutex_unlock(&hdata->hdmi_mutex); + + if (ctx->drm_dev) drm_helper_hpd_irq_event(ctx->drm_dev); +out: return IRQ_HANDLED; } @@ -2116,68 +2176,6 @@ static int hdmi_resources_cleanup(struct hdmi_context *hdata) return 0; } -static void hdmi_resource_poweron(struct hdmi_context *hdata) -{ - struct hdmi_resources *res = &hdata->res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - /* turn HDMI power on */ - regulator_bulk_enable(res->regul_count, res->regul_bulk); - /* power-on hdmi physical interface */ - clk_enable(res->hdmiphy); - /* turn clocks on */ - clk_enable(res->hdmi); - clk_enable(res->sclk_hdmi); - - hdmiphy_conf_reset(hdata); - hdmi_conf_reset(hdata); - hdmi_conf_init(hdata); - hdmi_audio_init(hdata); -} - -static void hdmi_resource_poweroff(struct hdmi_context *hdata) -{ - struct hdmi_resources *res = &hdata->res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - /* turn clocks off */ - clk_disable(res->sclk_hdmi); - clk_disable(res->hdmi); - /* power-off hdmiphy */ - clk_disable(res->hdmiphy); - /* turn HDMI power off */ - regulator_bulk_disable(res->regul_count, res->regul_bulk); -} - -static int hdmi_runtime_suspend(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); - - DRM_DEBUG_KMS("%s\n", __func__); - - hdmi_resource_poweroff(ctx->ctx); - - return 0; -} - -static int hdmi_runtime_resume(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); - - DRM_DEBUG_KMS("%s\n", __func__); - - hdmi_resource_poweron(ctx->ctx); - - return 0; -} - -static const struct dev_pm_ops hdmi_pm_ops = { - .runtime_suspend = hdmi_runtime_suspend, - .runtime_resume = hdmi_runtime_resume, -}; - static struct i2c_client *hdmi_ddc, *hdmi_hdmiphy; void hdmi_attach_ddc_client(struct i2c_client *ddc) @@ -2222,6 +2220,8 @@ static int __devinit hdmi_probe(struct platform_device *pdev) return -ENOMEM; } + mutex_init(&hdata->hdmi_mutex); + drm_hdmi_ctx->ctx = (void *)hdata; hdata->parent_ctx = (void *)drm_hdmi_ctx; @@ -2278,28 +2278,49 @@ static int __devinit hdmi_probe(struct platform_device *pdev) hdata->hdmiphy_port = hdmi_hdmiphy; - hdata->irq = platform_get_irq_byname(pdev, "internal_irq"); - if (hdata->irq < 0) { + hdata->external_irq = platform_get_irq_byname(pdev, "external_irq"); + if (hdata->external_irq < 0) { DRM_ERROR("failed to get platform irq\n"); - ret = hdata->irq; + ret = hdata->external_irq; goto err_hdmiphy; } - /* register hpd interrupt */ - ret = request_threaded_irq(hdata->irq, NULL, hdmi_irq_thread, - IRQF_ONESHOT, "drm_hdmi", drm_hdmi_ctx); + hdata->internal_irq = platform_get_irq_byname(pdev, "internal_irq"); + if (hdata->internal_irq < 0) { + DRM_ERROR("failed to get platform internal irq\n"); + ret = hdata->internal_irq; + goto err_hdmiphy; + } + + ret = request_threaded_irq(hdata->external_irq, NULL, + hdmi_external_irq_thread, IRQF_TRIGGER_RISING | + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + "hdmi_external", drm_hdmi_ctx); if (ret) { - DRM_ERROR("request interrupt failed.\n"); + DRM_ERROR("failed to register hdmi internal interrupt\n"); goto err_hdmiphy; } + if (hdata->cfg_hpd) + hdata->cfg_hpd(false); + + ret = request_threaded_irq(hdata->internal_irq, NULL, + hdmi_internal_irq_thread, IRQF_ONESHOT, + "hdmi_internal", drm_hdmi_ctx); + if (ret) { + DRM_ERROR("failed to register hdmi internal interrupt\n"); + goto err_free_irq; + } + /* register specific callbacks to common hdmi. */ exynos_hdmi_ops_register(&hdmi_ops); - hdmi_resource_poweron(hdata); + pm_runtime_enable(dev); return 0; +err_free_irq: + free_irq(hdata->external_irq, drm_hdmi_ctx); err_hdmiphy: i2c_del_driver(&hdmiphy_driver); err_ddc: @@ -2319,15 +2340,15 @@ err_data: static int __devexit hdmi_remove(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct exynos_drm_hdmi_context *ctx = platform_get_drvdata(pdev); struct hdmi_context *hdata = ctx->ctx; DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - hdmi_resource_poweroff(hdata); + pm_runtime_disable(dev); - disable_irq(hdata->irq); - free_irq(hdata->irq, hdata); + free_irq(hdata->internal_irq, hdata); hdmi_resources_cleanup(hdata); @@ -2352,6 +2373,5 @@ struct platform_driver hdmi_driver = { .driver = { .name = "exynos4-hdmi", .owner = THIS_MODULE, - .pm = &hdmi_pm_ops, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index e15438c01129..a29a9a8b2312 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -37,9 +37,6 @@ #include "exynos_drm_drv.h" #include "exynos_drm_hdmi.h" -#define MIXER_WIN_NR 3 -#define MIXER_DEFAULT_WIN 0 - #define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev)) struct hdmi_win_data { @@ -63,7 +60,6 @@ struct hdmi_win_data { }; struct mixer_resources { - struct device *dev; int irq; void __iomem *mixer_regs; void __iomem *vp_regs; @@ -76,10 +72,13 @@ struct mixer_resources { }; struct mixer_context { - unsigned int irq; + struct device *dev; int pipe; bool interlace; + bool powered; + u32 int_en; + struct mutex mixer_mutex; struct mixer_resources mixer_res; struct hdmi_win_data win_data[MIXER_WIN_NR]; }; @@ -591,6 +590,116 @@ static void vp_win_reset(struct mixer_context *ctx) WARN(tries == 0, "failed to reset Video Processor\n"); } +static void mixer_win_reset(struct mixer_context *ctx) +{ + struct mixer_resources *res = &ctx->mixer_res; + unsigned long flags; + u32 val; /* value stored to register */ + + spin_lock_irqsave(&res->reg_slock, flags); + mixer_vsync_set_update(ctx, false); + + mixer_reg_writemask(res, 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); + + /* 16 beat burst in DMA */ + mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST, + MXR_STATUS_BURST_MASK); + + /* setting default layer priority: layer1 > layer0 > video + * because typical usage scenario would be + * layer1 - OSD + * layer0 - framebuffer + * video - video overlay + */ + val = MXR_LAYER_CFG_GRP1_VAL(3); + val |= MXR_LAYER_CFG_GRP0_VAL(2); + val |= MXR_LAYER_CFG_VP_VAL(1); + mixer_reg_write(res, MXR_LAYER_CFG, val); + + /* setting background color */ + mixer_reg_write(res, MXR_BG_COLOR0, 0x008080); + mixer_reg_write(res, MXR_BG_COLOR1, 0x008080); + mixer_reg_write(res, MXR_BG_COLOR2, 0x008080); + + /* setting graphical layers */ + + val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ + val |= MXR_GRP_CFG_WIN_BLEND_EN; + val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ + + /* the same configuration for both layers */ + mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); + + val |= MXR_GRP_CFG_BLEND_PRE_MUL; + val |= MXR_GRP_CFG_PIXEL_BLEND_EN; + mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); + + /* configuration of Video Processor Registers */ + vp_win_reset(ctx); + vp_default_filter(res); + + /* 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(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE); + + mixer_vsync_set_update(ctx, true); + spin_unlock_irqrestore(&res->reg_slock, flags); +} + +static void mixer_poweron(struct mixer_context *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); + + pm_runtime_get_sync(ctx->dev); + + clk_enable(res->mixer); + clk_enable(res->vp); + clk_enable(res->sclk_mixer); + + mixer_reg_write(res, MXR_INT_EN, ctx->int_en); + mixer_win_reset(ctx); +} + +static void mixer_poweroff(struct mixer_context *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; + mutex_unlock(&ctx->mixer_mutex); + + ctx->int_en = mixer_reg_read(res, MXR_INT_EN); + + clk_disable(res->mixer); + clk_disable(res->vp); + clk_disable(res->sclk_mixer); + + pm_runtime_put_sync(ctx->dev); + + mutex_lock(&ctx->mixer_mutex); + ctx->powered = false; + +out: + mutex_unlock(&ctx->mixer_mutex); +} + static int mixer_enable_vblank(void *ctx, int pipe) { struct mixer_context *mixer_ctx = ctx; @@ -618,6 +727,27 @@ static void mixer_disable_vblank(void *ctx) mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } +static void mixer_dpms(void *ctx, int mode) +{ + struct mixer_context *mixer_ctx = ctx; + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + switch (mode) { + case DRM_MODE_DPMS_ON: + mixer_poweron(mixer_ctx); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + mixer_poweroff(mixer_ctx); + break; + default: + DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode); + break; + } +} + static void mixer_win_mode_set(void *ctx, struct exynos_drm_overlay *overlay) { @@ -643,7 +773,7 @@ static void mixer_win_mode_set(void *ctx, win = MIXER_DEFAULT_WIN; if (win < 0 || win > MIXER_WIN_NR) { - DRM_ERROR("overlay plane[%d] is wrong\n", win); + DRM_ERROR("mixer window[%d] is wrong\n", win); return; } @@ -672,44 +802,26 @@ static void mixer_win_mode_set(void *ctx, win_data->scan_flags = overlay->scan_flag; } -static void mixer_win_commit(void *ctx, int zpos) +static void mixer_win_commit(void *ctx, int win) { struct mixer_context *mixer_ctx = ctx; - int win = zpos; DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); - if (win == DEFAULT_ZPOS) - win = MIXER_DEFAULT_WIN; - - if (win < 0 || win > MIXER_WIN_NR) { - DRM_ERROR("overlay plane[%d] is wrong\n", win); - return; - } - if (win > 1) vp_video_buffer(mixer_ctx, win); else mixer_graph_buffer(mixer_ctx, win); } -static void mixer_win_disable(void *ctx, int zpos) +static void mixer_win_disable(void *ctx, int win) { struct mixer_context *mixer_ctx = ctx; struct mixer_resources *res = &mixer_ctx->mixer_res; unsigned long flags; - int win = zpos; DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win); - if (win == DEFAULT_ZPOS) - win = MIXER_DEFAULT_WIN; - - if (win < 0 || win > MIXER_WIN_NR) { - DRM_ERROR("overlay plane[%d] is wrong\n", win); - return; - } - spin_lock_irqsave(&res->reg_slock, flags); mixer_vsync_set_update(mixer_ctx, false); @@ -723,6 +835,7 @@ static struct exynos_mixer_ops mixer_ops = { /* manager */ .enable_vblank = mixer_enable_vblank, .disable_vblank = mixer_disable_vblank, + .dpms = mixer_dpms, /* overlay */ .win_mode_set = mixer_win_mode_set, @@ -811,117 +924,6 @@ out: return IRQ_HANDLED; } -static void mixer_win_reset(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - unsigned long flags; - u32 val; /* value stored to register */ - - spin_lock_irqsave(&res->reg_slock, flags); - mixer_vsync_set_update(ctx, false); - - mixer_reg_writemask(res, 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); - - /* 16 beat burst in DMA */ - mixer_reg_writemask(res, MXR_STATUS, MXR_STATUS_16_BURST, - MXR_STATUS_BURST_MASK); - - /* setting default layer priority: layer1 > layer0 > video - * because typical usage scenario would be - * layer1 - OSD - * layer0 - framebuffer - * video - video overlay - */ - val = MXR_LAYER_CFG_GRP1_VAL(3); - val |= MXR_LAYER_CFG_GRP0_VAL(2); - val |= MXR_LAYER_CFG_VP_VAL(1); - mixer_reg_write(res, MXR_LAYER_CFG, val); - - /* setting background color */ - mixer_reg_write(res, MXR_BG_COLOR0, 0x008080); - mixer_reg_write(res, MXR_BG_COLOR1, 0x008080); - mixer_reg_write(res, MXR_BG_COLOR2, 0x008080); - - /* setting graphical layers */ - - val = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */ - val |= MXR_GRP_CFG_WIN_BLEND_EN; - val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */ - - /* the same configuration for both layers */ - mixer_reg_write(res, MXR_GRAPHIC_CFG(0), val); - - val |= MXR_GRP_CFG_BLEND_PRE_MUL; - val |= MXR_GRP_CFG_PIXEL_BLEND_EN; - mixer_reg_write(res, MXR_GRAPHIC_CFG(1), val); - - /* configuration of Video Processor Registers */ - vp_win_reset(ctx); - vp_default_filter(res); - - /* 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(res, MXR_CFG, 0, MXR_CFG_VP_ENABLE); - - mixer_vsync_set_update(ctx, true); - spin_unlock_irqrestore(&res->reg_slock, flags); -} - -static void mixer_resource_poweron(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - clk_enable(res->mixer); - clk_enable(res->vp); - clk_enable(res->sclk_mixer); - - mixer_win_reset(ctx); -} - -static void mixer_resource_poweroff(struct mixer_context *ctx) -{ - struct mixer_resources *res = &ctx->mixer_res; - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - clk_disable(res->mixer); - clk_disable(res->vp); - clk_disable(res->sclk_mixer); -} - -static int mixer_runtime_resume(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_mixer_context(dev); - - DRM_DEBUG_KMS("resume - start\n"); - - mixer_resource_poweron(ctx->ctx); - - return 0; -} - -static int mixer_runtime_suspend(struct device *dev) -{ - struct exynos_drm_hdmi_context *ctx = get_mixer_context(dev); - - DRM_DEBUG_KMS("suspend - start\n"); - - mixer_resource_poweroff(ctx->ctx); - - return 0; -} - -static const struct dev_pm_ops mixer_pm_ops = { - .runtime_suspend = mixer_runtime_suspend, - .runtime_resume = mixer_runtime_resume, -}; - static int __devinit mixer_resources_init(struct exynos_drm_hdmi_context *ctx, struct platform_device *pdev) { @@ -931,7 +933,6 @@ static int __devinit mixer_resources_init(struct exynos_drm_hdmi_context *ctx, struct resource *res; int ret; - mixer_res->dev = dev; spin_lock_init(&mixer_res->reg_slock); mixer_res->mixer = clk_get(dev, "mixer"); @@ -1027,7 +1028,6 @@ fail: clk_put(mixer_res->vp); if (!IS_ERR_OR_NULL(mixer_res->mixer)) clk_put(mixer_res->mixer); - mixer_res->dev = NULL; return ret; } @@ -1035,7 +1035,6 @@ static void mixer_resources_cleanup(struct mixer_context *ctx) { struct mixer_resources *res = &ctx->mixer_res; - disable_irq(res->irq); free_irq(res->irq, ctx); iounmap(res->vp_regs); @@ -1064,6 +1063,9 @@ static int __devinit mixer_probe(struct platform_device *pdev) return -ENOMEM; } + mutex_init(&ctx->mixer_mutex); + + ctx->dev = &pdev->dev; drm_hdmi_ctx->ctx = (void *)ctx; platform_set_drvdata(pdev, drm_hdmi_ctx); @@ -1076,7 +1078,7 @@ static int __devinit mixer_probe(struct platform_device *pdev) /* register specific callback point to common hdmi. */ exynos_mixer_ops_register(&mixer_ops); - mixer_resource_poweron(ctx); + pm_runtime_enable(dev); return 0; @@ -1095,7 +1097,8 @@ static int mixer_remove(struct platform_device *pdev) dev_info(dev, "remove successful\n"); - mixer_resource_poweroff(ctx); + pm_runtime_disable(&pdev->dev); + mixer_resources_cleanup(ctx); return 0; @@ -1105,7 +1108,6 @@ struct platform_driver mixer_driver = { .driver = { .name = "s5p-mixer", .owner = THIS_MODULE, - .pm = &mixer_pm_ops, }, .probe = mixer_probe, .remove = __devexit_p(mixer_remove), |