};
struct fimd_context {
- struct exynos_drm_subdrv subdrv;
struct device *dev;
struct drm_device *drm_dev;
- int irq;
- struct drm_crtc *crtc;
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
+ struct drm_display_mode mode;
struct fimd_win_data win_data[WINDOWS_NR];
- unsigned int clkdiv;
unsigned int default_win;
unsigned long irq_flags;
- u32 vidcon0;
u32 vidcon1;
bool suspended;
- struct mutex lock;
+ int pipe;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
return (struct fimd_driver_data *)of_id->data;
}
-static bool fimd_display_is_connected(struct device *dev)
+static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe)
{
- /* TODO. */
+ struct fimd_context *ctx = mgr->ctx;
- return true;
-}
+ ctx->drm_dev = drm_dev;
+ ctx->pipe = pipe;
-static void *fimd_get_panel(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
- struct fimd_context *ctx = mgr->ctx;
+ /*
+ * enable drm irq mode.
+ * - with irq_enabled = true, we can use the vblank feature.
+ *
+ * P.S. note that we wouldn't use drm irq handler but
+ * just specific driver own one instead because
+ * drm framework supports only one irq handler.
+ */
+ drm_dev->irq_enabled = true;
- return &ctx->panel;
-}
+ /*
+ * with vblank_disable_allowed = true, vblank interrupt will be disabled
+ * by drm timer once a current process gives up ownership of
+ * vblank event.(after drm_vblank_put function is called)
+ */
+ drm_dev->vblank_disable_allowed = true;
-static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode)
-{
- /* TODO. */
+ /* attach this sub driver to iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_attach_device(ctx->drm_dev, ctx->dev);
return 0;
}
-static struct exynos_drm_display_ops fimd_display_ops = {
- .type = EXYNOS_DISPLAY_TYPE_LCD,
- .is_connected = fimd_display_is_connected,
- .get_panel = fimd_get_panel,
- .check_mode = fimd_check_mode,
-};
-
-static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
- struct drm_device *drm_dev)
+static void fimd_mgr_remove(struct exynos_drm_manager *mgr)
{
struct fimd_context *ctx = mgr->ctx;
- ctx->drm_dev = drm_dev;
-
- return 0;
+ /* detach this sub driver from iommu mapping if supported. */
+ if (is_drm_iommu_supported(ctx->drm_dev))
+ drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
}
-static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
+static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
+ const struct drm_display_mode *mode)
{
- struct fimd_context *ctx = mgr->ctx;
+ unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh;
+ u32 clkdiv;
- DRM_DEBUG_KMS("%d\n", mode);
+ /* Find the clock divider value that gets us closest to ideal_clk */
+ clkdiv = DIV_ROUND_UP(clk_get_rate(ctx->lcd_clk), ideal_clk);
- mutex_lock(&ctx->lock);
+ return (clkdiv < 0x100) ? clkdiv : 0xff;
+}
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- /*
- * enable fimd hardware only if suspended status.
- *
- * P.S. fimd_dpms function would be called at booting time so
- * clk_enable could be called double time.
- */
- if (ctx->suspended)
- pm_runtime_get_sync(ctx->dev);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- if (!ctx->suspended)
- pm_runtime_put_sync(ctx->dev);
- break;
- default:
- DRM_DEBUG_KMS("unspecified mode %d\n", mode);
- break;
- }
+static bool fimd_mode_fixup(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ if (adjusted_mode->vrefresh == 0)
+ adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE;
- mutex_unlock(&ctx->lock);
+ return true;
}
-static void fimd_apply(struct exynos_drm_manager *mgr)
+static void fimd_mode_set(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *in_mode)
{
struct fimd_context *ctx = mgr->ctx;
- struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
- struct fimd_win_data *win_data;
- int i;
-
- for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
- mgr_ops->win_commit(mgr, i);
- }
- if (mgr_ops && mgr_ops->commit)
- mgr_ops->commit(mgr);
+ drm_mode_copy(&ctx->mode, in_mode);
}
static void fimd_commit(struct exynos_drm_manager *mgr)
{
struct fimd_context *ctx = mgr->ctx;
- struct exynos_drm_panel_info *panel = &ctx->panel;
- struct videomode *vm = &panel->vm;
+ struct drm_display_mode *mode = &ctx->mode;
struct fimd_driver_data *driver_data;
- u32 val;
+ u32 val, clkdiv, vidcon1;
+ int vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd;
driver_data = ctx->driver_data;
if (ctx->suspended)
return;
- /* setup polarity values from machine code. */
- writel(ctx->vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
+ /* nothing to do if we haven't set the mode yet */
+ if (mode->htotal == 0 || mode->vtotal == 0)
+ return;
+
+ /* setup polarity values */
+ vidcon1 = ctx->vidcon1;
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ vidcon1 |= VIDCON1_INV_VSYNC;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ vidcon1 |= VIDCON1_INV_HSYNC;
+ writel(vidcon1, ctx->regs + driver_data->timing_base + VIDCON1);
/* setup vertical timing values. */
- val = VIDTCON0_VBPD(vm->vback_porch - 1) |
- VIDTCON0_VFPD(vm->vfront_porch - 1) |
- VIDTCON0_VSPW(vm->vsync_len - 1);
+ vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ vbpd = mode->crtc_vtotal - mode->crtc_vsync_end;
+ vfpd = mode->crtc_vsync_start - mode->crtc_vdisplay;
+
+ val = VIDTCON0_VBPD(vbpd - 1) |
+ VIDTCON0_VFPD(vfpd - 1) |
+ VIDTCON0_VSPW(vsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON0);
/* setup horizontal timing values. */
- val = VIDTCON1_HBPD(vm->hback_porch - 1) |
- VIDTCON1_HFPD(vm->hfront_porch - 1) |
- VIDTCON1_HSPW(vm->hsync_len - 1);
+ hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
+ hbpd = mode->crtc_htotal - mode->crtc_hsync_end;
+ hfpd = mode->crtc_hsync_start - mode->crtc_hdisplay;
+
+ val = VIDTCON1_HBPD(hbpd - 1) |
+ VIDTCON1_HFPD(hfpd - 1) |
+ VIDTCON1_HSPW(hsync_len - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON1);
/* setup horizontal and vertical display size. */
- val = VIDTCON2_LINEVAL(vm->vactive - 1) |
- VIDTCON2_HOZVAL(vm->hactive - 1) |
- VIDTCON2_LINEVAL_E(vm->vactive - 1) |
- VIDTCON2_HOZVAL_E(vm->hactive - 1);
+ val = VIDTCON2_LINEVAL(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL(mode->hdisplay - 1) |
+ VIDTCON2_LINEVAL_E(mode->vdisplay - 1) |
+ VIDTCON2_HOZVAL_E(mode->hdisplay - 1);
writel(val, ctx->regs + driver_data->timing_base + VIDTCON2);
- /* setup clock source, clock divider, enable dma. */
- val = ctx->vidcon0;
- val &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR);
-
- if (ctx->driver_data->has_clksel) {
- val &= ~VIDCON0_CLKSEL_MASK;
- val |= VIDCON0_CLKSEL_LCD;
- }
-
- if (ctx->clkdiv > 1)
- val |= VIDCON0_CLKVAL_F(ctx->clkdiv - 1) | VIDCON0_CLKDIR;
- else
- val &= ~VIDCON0_CLKDIR; /* 1:1 clock */
-
/*
* fields of register with prefix '_F' would be updated
* at vsync(same as dma start)
*/
- val |= VIDCON0_ENVID | VIDCON0_ENVID_F;
+ val = VIDCON0_ENVID | VIDCON0_ENVID_F;
+
+ if (ctx->driver_data->has_clksel)
+ val |= VIDCON0_CLKSEL_LCD;
+
+ clkdiv = fimd_calc_clkdiv(ctx, mode);
+ if (clkdiv > 1)
+ val |= VIDCON0_CLKVAL_F(clkdiv - 1) | VIDCON0_CLKDIR;
+
writel(val, ctx->regs + VIDCON0);
}
win_data = &ctx->win_data[win];
+ /* If suspended, enable this on resume */
+ if (ctx->suspended) {
+ win_data->resume = true;
+ return;
+ }
+
/*
* SHADOWCON/PRTCON register is used for enabling timing.
*
win_data->enabled = false;
}
-static struct exynos_drm_manager_ops fimd_manager_ops = {
- .initialize = fimd_mgr_initialize,
- .dpms = fimd_dpms,
- .commit = fimd_commit,
- .enable_vblank = fimd_enable_vblank,
- .disable_vblank = fimd_disable_vblank,
- .wait_for_vblank = fimd_wait_for_vblank,
- .win_mode_set = fimd_win_mode_set,
- .win_commit = fimd_win_commit,
- .win_disable = fimd_win_disable,
-};
-
-static struct exynos_drm_manager fimd_manager = {
- .pipe = -1,
- .ops = &fimd_manager_ops,
- .display_ops = &fimd_display_ops,
-};
-
-static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
-{
- struct fimd_context *ctx = (struct fimd_context *)dev_id;
- struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
- struct exynos_drm_manager *manager = subdrv->manager;
- u32 val;
-
- val = readl(ctx->regs + VIDINTCON1);
-
- if (val & VIDINTCON1_INT_FRAME)
- /* VSYNC interrupt */
- writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
-
- /* check the crtc is detached already from encoder */
- if (manager->pipe < 0 || !ctx->drm_dev)
- goto out;
-
- drm_handle_vblank(ctx->drm_dev, manager->pipe);
- exynos_drm_crtc_finish_pageflip(ctx->drm_dev, manager->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);
- wake_up(&ctx->wait_vsync_queue);
- }
-out:
- return IRQ_HANDLED;
-}
-
-static int fimd_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
-{
- /*
- * enable drm irq mode.
- * - with irq_enabled = true, we can use the vblank feature.
- *
- * P.S. note that we wouldn't use drm irq handler but
- * just specific driver own one instead because
- * drm framework supports only one irq handler.
- */
- drm_dev->irq_enabled = true;
-
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = true;
-
- /* attach this sub driver to iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_attach_device(drm_dev, dev);
-
- return 0;
-}
-
-static void fimd_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
- /* detach this sub driver from iommu mapping if supported. */
- if (is_drm_iommu_supported(drm_dev))
- drm_iommu_detach_device(drm_dev, dev);
-}
-
-static int fimd_configure_clocks(struct fimd_context *ctx, struct device *dev)
-{
- struct videomode *vm = &ctx->panel.vm;
- unsigned long clk;
-
- ctx->bus_clk = devm_clk_get(dev, "fimd");
- if (IS_ERR(ctx->bus_clk)) {
- dev_err(dev, "failed to get bus clock\n");
- return PTR_ERR(ctx->bus_clk);
- }
-
- ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
- if (IS_ERR(ctx->lcd_clk)) {
- dev_err(dev, "failed to get lcd clock\n");
- return PTR_ERR(ctx->lcd_clk);
- }
-
- clk = clk_get_rate(ctx->lcd_clk);
- if (clk == 0) {
- dev_err(dev, "error getting sclk_fimd clock rate\n");
- return -EINVAL;
- }
-
- if (vm->pixelclock == 0) {
- unsigned long c;
- c = vm->hactive + vm->hback_porch + vm->hfront_porch +
- vm->hsync_len;
- c *= vm->vactive + vm->vback_porch + vm->vfront_porch +
- vm->vsync_len;
- vm->pixelclock = c * FIMD_DEFAULT_FRAMERATE;
- if (vm->pixelclock == 0) {
- dev_err(dev, "incorrect display timings\n");
- return -EINVAL;
- }
- dev_warn(dev, "pixel clock recalculated to %luHz (%dHz frame rate)\n",
- vm->pixelclock, FIMD_DEFAULT_FRAMERATE);
- }
- ctx->clkdiv = DIV_ROUND_UP(clk, vm->pixelclock);
- if (ctx->clkdiv > 256) {
- dev_warn(dev, "calculated pixel clock divider too high (%u), lowered to 256\n",
- ctx->clkdiv);
- ctx->clkdiv = 256;
- }
- vm->pixelclock = clk / ctx->clkdiv;
- DRM_DEBUG_KMS("pixel clock = %lu, clkdiv = %d\n", vm->pixelclock,
- ctx->clkdiv);
-
- return 0;
-}
-
static void fimd_clear_win(struct fimd_context *ctx, int win)
{
writel(0, ctx->regs + WINCON(win));
fimd_shadow_protect_win(ctx, win, false);
}
-static int fimd_clock(struct fimd_context *ctx, bool enable)
-{
- if (enable) {
- int ret;
-
- ret = clk_prepare_enable(ctx->bus_clk);
- if (ret < 0)
- return ret;
-
- ret = clk_prepare_enable(ctx->lcd_clk);
- if (ret < 0) {
- clk_disable_unprepare(ctx->bus_clk);
- return ret;
- }
- } else {
- clk_disable_unprepare(ctx->lcd_clk);
- clk_disable_unprepare(ctx->bus_clk);
- }
-
- return 0;
-}
-
-static void fimd_window_suspend(struct device *dev)
+static void fimd_window_suspend(struct exynos_drm_manager *mgr)
{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
win_data = &ctx->win_data[i];
win_data->resume = win_data->enabled;
- fimd_win_disable(mgr, i);
+ if (win_data->enabled)
+ fimd_win_disable(mgr, i);
}
fimd_wait_for_vblank(mgr);
}
-static void fimd_window_resume(struct device *dev)
+static void fimd_window_resume(struct exynos_drm_manager *mgr)
{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
struct fimd_context *ctx = mgr->ctx;
struct fimd_win_data *win_data;
int i;
}
}
-static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
+static void fimd_apply(struct exynos_drm_manager *mgr)
{
struct fimd_context *ctx = mgr->ctx;
- struct device *dev = ctx->subdrv.dev;
+ struct fimd_win_data *win_data;
+ int i;
+
+ for (i = 0; i < WINDOWS_NR; i++) {
+ win_data = &ctx->win_data[i];
+ if (win_data->enabled)
+ fimd_win_commit(mgr, i);
+ }
- if (enable) {
- int ret;
+ fimd_commit(mgr);
+}
+
+static int fimd_poweron(struct exynos_drm_manager *mgr)
+{
+ struct fimd_context *ctx = mgr->ctx;
+ int ret;
- ret = fimd_clock(ctx, true);
- if (ret < 0)
- return ret;
+ if (!ctx->suspended)
+ return 0;
- ctx->suspended = false;
+ ctx->suspended = false;
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(mgr);
+ pm_runtime_get_sync(ctx->dev);
- fimd_window_resume(dev);
+ ret = clk_prepare_enable(ctx->bus_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret);
+ goto bus_clk_err;
+ }
- fimd_apply(mgr);
- } else {
- fimd_window_suspend(dev);
+ ret = clk_prepare_enable(ctx->lcd_clk);
+ if (ret < 0) {
+ DRM_ERROR("Failed to prepare_enable the lcd clk [%d]\n", ret);
+ goto lcd_clk_err;
+ }
- fimd_clock(ctx, false);
- ctx->suspended = true;
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags)) {
+ ret = fimd_enable_vblank(mgr);
+ if (ret) {
+ DRM_ERROR("Failed to re-enable vblank [%d]\n", ret);
+ goto enable_vblank_err;
+ }
}
+ fimd_window_resume(mgr);
+
+ fimd_apply(mgr);
+
return 0;
+
+enable_vblank_err:
+ clk_disable_unprepare(ctx->lcd_clk);
+lcd_clk_err:
+ clk_disable_unprepare(ctx->bus_clk);
+bus_clk_err:
+ ctx->suspended = true;
+ return ret;
}
-static int fimd_get_platform_data(struct fimd_context *ctx, struct device *dev)
+static int fimd_poweroff(struct exynos_drm_manager *mgr)
{
- struct videomode *vm;
- int ret;
+ struct fimd_context *ctx = mgr->ctx;
- vm = &ctx->panel.vm;
- ret = of_get_videomode(dev->of_node, vm, OF_USE_NATIVE_MODE);
- if (ret) {
- DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
- return ret;
- }
+ if (ctx->suspended)
+ return 0;
- if (vm->flags & DISPLAY_FLAGS_VSYNC_LOW)
- ctx->vidcon1 |= VIDCON1_INV_VSYNC;
- if (vm->flags & DISPLAY_FLAGS_HSYNC_LOW)
- ctx->vidcon1 |= VIDCON1_INV_HSYNC;
- if (vm->flags & DISPLAY_FLAGS_DE_LOW)
- ctx->vidcon1 |= VIDCON1_INV_VDEN;
- if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
- ctx->vidcon1 |= VIDCON1_INV_VCLK;
+ /*
+ * We need to make sure that all windows are disabled before we
+ * suspend that connector. Otherwise we might try to scan from
+ * a destroyed buffer later.
+ */
+ fimd_window_suspend(mgr);
+
+ clk_disable_unprepare(ctx->lcd_clk);
+ clk_disable_unprepare(ctx->bus_clk);
+ pm_runtime_put_sync(ctx->dev);
+
+ ctx->suspended = true;
return 0;
}
+static void fimd_dpms(struct exynos_drm_manager *mgr, int mode)
+{
+ DRM_DEBUG_KMS("%s, %d\n", __FILE__, mode);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ fimd_poweron(mgr);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ fimd_poweroff(mgr);
+ break;
+ default:
+ DRM_DEBUG_KMS("unspecified mode %d\n", mode);
+ break;
+ }
+}
+
+static struct exynos_drm_manager_ops fimd_manager_ops = {
+ .initialize = fimd_mgr_initialize,
+ .remove = fimd_mgr_remove,
+ .dpms = fimd_dpms,
+ .mode_fixup = fimd_mode_fixup,
+ .mode_set = fimd_mode_set,
+ .commit = fimd_commit,
+ .enable_vblank = fimd_enable_vblank,
+ .disable_vblank = fimd_disable_vblank,
+ .wait_for_vblank = fimd_wait_for_vblank,
+ .win_mode_set = fimd_win_mode_set,
+ .win_commit = fimd_win_commit,
+ .win_disable = fimd_win_disable,
+};
+
+static struct exynos_drm_manager fimd_manager = {
+ .type = EXYNOS_DISPLAY_TYPE_LCD,
+ .ops = &fimd_manager_ops,
+};
+
+static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
+{
+ struct fimd_context *ctx = (struct fimd_context *)dev_id;
+ u32 val;
+
+ val = readl(ctx->regs + VIDINTCON1);
+
+ if (val & VIDINTCON1_INT_FRAME)
+ /* VSYNC interrupt */
+ writel(VIDINTCON1_INT_FRAME, ctx->regs + VIDINTCON1);
+
+ /* check the crtc is detached already from encoder */
+ if (ctx->pipe < 0 || !ctx->drm_dev)
+ goto out;
+
+ drm_handle_vblank(ctx->drm_dev, ctx->pipe);
+ exynos_drm_crtc_finish_pageflip(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);
+ wake_up(&ctx->wait_vsync_queue);
+ }
+out:
+ return IRQ_HANDLED;
+}
+
static int fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fimd_context *ctx;
- struct exynos_drm_subdrv *subdrv;
struct resource *res;
int win;
int ret = -EINVAL;
return -ENOMEM;
ctx->dev = dev;
+ ctx->suspended = true;
- ret = fimd_get_platform_data(ctx, dev);
- if (ret)
- return ret;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vden"))
+ ctx->vidcon1 |= VIDCON1_INV_VDEN;
+ if (of_property_read_bool(dev->of_node, "samsung,invert-vclk"))
+ ctx->vidcon1 |= VIDCON1_INV_VCLK;
- ret = fimd_configure_clocks(ctx, dev);
- if (ret)
- return ret;
+ ctx->bus_clk = devm_clk_get(dev, "fimd");
+ if (IS_ERR(ctx->bus_clk)) {
+ dev_err(dev, "failed to get bus clock\n");
+ return PTR_ERR(ctx->bus_clk);
+ }
+
+ ctx->lcd_clk = devm_clk_get(dev, "sclk_fimd");
+ if (IS_ERR(ctx->lcd_clk)) {
+ dev_err(dev, "failed to get lcd clock\n");
+ return PTR_ERR(ctx->lcd_clk);
+ }
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
return -ENXIO;
}
- ctx->irq = res->start;
-
- ret = devm_request_irq(dev, ctx->irq, fimd_irq_handler,
+ ret = devm_request_irq(dev, res->start, fimd_irq_handler,
0, "drm_fimd", ctx);
if (ret) {
dev_err(dev, "irq request failed.\n");
init_waitqueue_head(&ctx->wait_vsync_queue);
atomic_set(&ctx->wait_vsync_event, 0);
- fimd_manager.ctx = ctx;
-
- subdrv = &ctx->subdrv;
-
- subdrv->dev = dev;
- subdrv->manager = &fimd_manager;
- subdrv->probe = fimd_subdrv_probe;
- subdrv->remove = fimd_subdrv_remove;
+ platform_set_drvdata(pdev, &fimd_manager);
- mutex_init(&ctx->lock);
+ fimd_manager.ctx = ctx;
+ exynos_drm_manager_register(&fimd_manager);
- platform_set_drvdata(pdev, &fimd_manager);
+ exynos_dpi_probe(ctx->dev);
pm_runtime_enable(dev);
- pm_runtime_get_sync(dev);
for (win = 0; win < WINDOWS_NR; win++)
fimd_clear_win(ctx, win);
- exynos_drm_subdrv_register(subdrv);
-
return 0;
}
static int fimd_remove(struct platform_device *pdev)
{
- struct device *dev = &pdev->dev;
struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
- struct fimd_context *ctx = mgr->ctx;
- exynos_drm_subdrv_unregister(&ctx->subdrv);
+ exynos_dpi_remove(&pdev->dev);
- if (ctx->suspended)
- goto out;
+ exynos_drm_manager_unregister(&fimd_manager);
- pm_runtime_set_suspended(dev);
- pm_runtime_put_sync(dev);
+ fimd_dpms(mgr, DRM_MODE_DPMS_OFF);
-out:
- pm_runtime_disable(dev);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int fimd_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- /*
- * do not use pm_runtime_suspend(). if pm_runtime_suspend() is
- * called here, an error would be returned by that interface
- * because the usage_count of pm runtime is more than 1.
- */
- if (!pm_runtime_suspended(dev))
- return fimd_activate(mgr, false);
-
- return 0;
-}
-
-static int fimd_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- /*
- * if entered to sleep when lcd panel was on, the usage_count
- * of pm runtime would still be 1 so in this case, fimd driver
- * should be on directly not drawing on pm runtime interface.
- */
- if (pm_runtime_suspended(dev))
- return 0;
-
- return fimd_activate(mgr, true);
-}
-#endif
-
-#ifdef CONFIG_PM_RUNTIME
-static int fimd_runtime_suspend(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- return fimd_activate(mgr, false);
-}
-
-static int fimd_runtime_resume(struct device *dev)
-{
- struct exynos_drm_manager *mgr = get_fimd_manager(dev);
-
- return fimd_activate(mgr, true);
-}
-#endif
-
-static const struct dev_pm_ops fimd_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume)
- SET_RUNTIME_PM_OPS(fimd_runtime_suspend, fimd_runtime_resume, NULL)
-};
-
struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = fimd_remove,
.driver = {
.name = "exynos4-fb",
.owner = THIS_MODULE,
- .pm = &fimd_pm_ops,
.of_match_table = fimd_driver_dt_match,
},
};
projects / karo-tx-linux.git / blobdiff