- compatible: value should be one of:
"samsung,exynos5433-decon", "samsung,exynos5433-decon-tv";
- reg: physical base address and length of the DECON registers set.
-- interrupts: should contain a list of all DECON IP block interrupts in the
- order: VSYNC, LCD_SYSTEM. The interrupt specifier format
- depends on the interrupt controller used.
-- interrupt-names: should contain the interrupt names: "vsync", "lcd_sys"
- in the same order as they were listed in the interrupts
- property.
+- interrupt-names: should contain the interrupt names depending on mode of work:
+ video mode: "vsync",
+ command mode: "lcd_sys",
+ command mode with software trigger: "lcd_sys", "te".
+- interrupts or interrupts-extended: list of interrupt specifiers corresponding
+ to names privided in interrupt-names, as described in
+ interrupt-controller/interrupts.txt
- clocks: must include clock specifiers corresponding to entries in the
clock-names property.
- clock-names: list of clock names sorted in the same order as the clocks
"sclk_decon_eclk",
};
-enum decon_flag_bits {
- BIT_CLKS_ENABLED,
- BIT_IRQS_ENABLED,
- BIT_WIN_UPDATED,
- BIT_SUSPENDED,
- BIT_REQUEST_UPDATE
-};
-
struct decon_context {
struct device *dev;
struct drm_device *drm_dev;
void __iomem *addr;
struct regmap *sysreg;
struct clk *clks[ARRAY_SIZE(decon_clks_name)];
- int pipe;
- unsigned long flags;
+ unsigned int irq;
+ unsigned int te_irq;
unsigned long out_type;
int first_win;
spinlock_t vblank_lock;
struct decon_context *ctx = crtc->ctx;
u32 val;
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return -EPERM;
+ val = VIDINTCON0_INTEN;
+ if (ctx->out_type & IFTYPE_I80)
+ val |= VIDINTCON0_FRAMEDONE;
+ else
+ val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP;
- if (!test_and_set_bit(BIT_IRQS_ENABLED, &ctx->flags)) {
- val = VIDINTCON0_INTEN;
- if (ctx->out_type & IFTYPE_I80)
- val |= VIDINTCON0_FRAMEDONE;
- else
- val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP;
+ writel(val, ctx->addr + DECON_VIDINTCON0);
- writel(val, ctx->addr + DECON_VIDINTCON0);
- }
+ enable_irq(ctx->irq);
+ if (!(ctx->out_type & I80_HW_TRG))
+ enable_irq(ctx->te_irq);
return 0;
}
{
struct decon_context *ctx = crtc->ctx;
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
+ if (!(ctx->out_type & I80_HW_TRG))
+ disable_irq_nosync(ctx->te_irq);
+ disable_irq_nosync(ctx->irq);
- if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
- writel(0, ctx->addr + DECON_VIDINTCON0);
+ writel(0, ctx->addr + DECON_VIDINTCON0);
}
/* return number of starts/ends of frame transmissions since reset */
return frm;
}
+static u32 decon_get_vblank_counter(struct exynos_drm_crtc *crtc)
+{
+ struct decon_context *ctx = crtc->ctx;
+
+ return decon_get_frame_count(ctx, false);
+}
+
static void decon_setup_trigger(struct decon_context *ctx)
{
if (!(ctx->out_type & (IFTYPE_I80 | I80_HW_TRG)))
bool interlaced = false;
u32 val;
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
-
if (ctx->out_type & IFTYPE_HDMI) {
m->crtc_hsync_start = m->crtc_hdisplay + 10;
m->crtc_hsync_end = m->crtc_htotal - 92;
writel(val, ctx->addr + DECON_WINCONx(win));
}
-static void decon_shadow_protect_win(struct decon_context *ctx, int win,
- bool protect)
+static void decon_shadow_protect(struct decon_context *ctx, bool protect)
{
- decon_set_bits(ctx, DECON_SHADOWCON, SHADOWCON_Wx_PROTECT(win),
+ decon_set_bits(ctx, DECON_SHADOWCON, SHADOWCON_PROTECT_MASK,
protect ? ~0 : 0);
}
static void decon_atomic_begin(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
- int i;
-
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
- for (i = ctx->first_win; i < WINDOWS_NR; i++)
- decon_shadow_protect_win(ctx, i, true);
+ decon_shadow_protect(ctx, true);
}
#define BIT_VAL(x, e, s) (((x) & ((1 << ((e) - (s) + 1)) - 1)) << (s))
dma_addr_t dma_addr = exynos_drm_fb_dma_addr(fb, 0);
u32 val;
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
-
if (crtc->base.mode.flags & DRM_MODE_FLAG_INTERLACE) {
val = COORDINATE_X(state->crtc.x) |
COORDINATE_Y(state->crtc.y / 2);
/* window enable */
decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0);
- set_bit(BIT_REQUEST_UPDATE, &ctx->flags);
}
static void decon_disable_plane(struct exynos_drm_crtc *crtc,
struct decon_context *ctx = crtc->ctx;
unsigned int win = plane->index;
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
-
decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
- set_bit(BIT_REQUEST_UPDATE, &ctx->flags);
}
static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
unsigned long flags;
- int i;
-
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
spin_lock_irqsave(&ctx->vblank_lock, flags);
- for (i = ctx->first_win; i < WINDOWS_NR; i++)
- decon_shadow_protect_win(ctx, i, false);
-
- if (test_and_clear_bit(BIT_REQUEST_UPDATE, &ctx->flags))
- decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
+ decon_shadow_protect(ctx, false);
- if (ctx->out_type & IFTYPE_I80)
- set_bit(BIT_WIN_UPDATED, &ctx->flags);
+ decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
ctx->frame_id = decon_get_frame_count(ctx, true);
{
struct decon_context *ctx = crtc->ctx;
- if (!test_and_clear_bit(BIT_SUSPENDED, &ctx->flags))
- return;
-
pm_runtime_get_sync(ctx->dev);
exynos_drm_pipe_clk_enable(crtc, true);
- set_bit(BIT_CLKS_ENABLED, &ctx->flags);
-
decon_swreset(ctx);
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
- decon_enable_vblank(ctx->crtc);
-
decon_commit(ctx->crtc);
}
struct decon_context *ctx = crtc->ctx;
int i;
- if (test_bit(BIT_SUSPENDED, &ctx->flags))
- return;
+ if (!(ctx->out_type & I80_HW_TRG))
+ synchronize_irq(ctx->te_irq);
+ synchronize_irq(ctx->irq);
/*
* We need to make sure that all windows are disabled before we
decon_swreset(ctx);
- clear_bit(BIT_CLKS_ENABLED, &ctx->flags);
-
exynos_drm_pipe_clk_enable(crtc, false);
pm_runtime_put_sync(ctx->dev);
-
- set_bit(BIT_SUSPENDED, &ctx->flags);
}
-static void decon_te_irq_handler(struct exynos_drm_crtc *crtc)
+static irqreturn_t decon_te_irq_handler(int irq, void *dev_id)
{
- struct decon_context *ctx = crtc->ctx;
+ struct decon_context *ctx = dev_id;
- if (!test_bit(BIT_CLKS_ENABLED, &ctx->flags) ||
- (ctx->out_type & I80_HW_TRG))
- return;
+ decon_set_bits(ctx, DECON_TRIGCON, TRIGCON_SWTRIGCMD, ~0);
- if (test_and_clear_bit(BIT_WIN_UPDATED, &ctx->flags))
- decon_set_bits(ctx, DECON_TRIGCON, TRIGCON_SWTRIGCMD, ~0);
+ return IRQ_HANDLED;
}
static void decon_clear_channels(struct exynos_drm_crtc *crtc)
goto err;
}
- for (win = 0; win < WINDOWS_NR; win++) {
- decon_shadow_protect_win(ctx, win, true);
+ decon_shadow_protect(ctx, true);
+ for (win = 0; win < WINDOWS_NR; win++)
decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
- decon_shadow_protect_win(ctx, win, false);
- }
+ decon_shadow_protect(ctx, false);
decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
.disable = decon_disable,
.enable_vblank = decon_enable_vblank,
.disable_vblank = decon_disable_vblank,
+ .get_vblank_counter = decon_get_vblank_counter,
.atomic_begin = decon_atomic_begin,
.update_plane = decon_update_plane,
.disable_plane = decon_disable_plane,
.atomic_flush = decon_atomic_flush,
- .te_handler = decon_te_irq_handler,
};
static int decon_bind(struct device *dev, struct device *master, void *data)
{
struct decon_context *ctx = dev_get_drvdata(dev);
struct drm_device *drm_dev = data;
- struct exynos_drm_private *priv = drm_dev->dev_private;
struct exynos_drm_plane *exynos_plane;
enum exynos_drm_output_type out_type;
unsigned int win;
int ret;
ctx->drm_dev = drm_dev;
- ctx->pipe = priv->pipe++;
+ drm_dev->max_vblank_count = 0xffffffff;
for (win = ctx->first_win; win < WINDOWS_NR; win++) {
int tmp = (win == ctx->first_win) ? 0 : win;
ctx->configs[win].type = decon_win_types[tmp];
ret = exynos_plane_init(drm_dev, &ctx->planes[win], win,
- 1 << ctx->pipe, &ctx->configs[win]);
+ &ctx->configs[win]);
if (ret)
return ret;
}
out_type = (ctx->out_type & IFTYPE_HDMI) ? EXYNOS_DISPLAY_TYPE_HDMI
: EXYNOS_DISPLAY_TYPE_LCD;
ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
- ctx->pipe, out_type,
- &decon_crtc_ops, ctx);
- if (IS_ERR(ctx->crtc)) {
- ret = PTR_ERR(ctx->crtc);
- goto err;
- }
+ out_type, &decon_crtc_ops, ctx);
+ if (IS_ERR(ctx->crtc))
+ return PTR_ERR(ctx->crtc);
decon_clear_channels(ctx->crtc);
- ret = drm_iommu_attach_device(drm_dev, dev);
- if (ret)
- goto err;
-
- return ret;
-err:
- priv->pipe--;
- return ret;
+ return drm_iommu_attach_device(drm_dev, dev);
}
static void decon_unbind(struct device *dev, struct device *master, void *data)
struct decon_context *ctx = dev_id;
u32 val;
- if (!test_bit(BIT_CLKS_ENABLED, &ctx->flags))
- goto out;
-
val = readl(ctx->addr + DECON_VIDINTCON1);
val &= VIDINTCON1_INTFRMDONEPEND | VIDINTCON1_INTFRMPEND;
decon_handle_vblank(ctx);
}
-out:
return IRQ_HANDLED;
}
};
MODULE_DEVICE_TABLE(of, exynos5433_decon_driver_dt_match);
+static int decon_conf_irq(struct decon_context *ctx, const char *name,
+ irq_handler_t handler, unsigned long int flags, bool required)
+{
+ struct platform_device *pdev = to_platform_device(ctx->dev);
+ int ret, irq = platform_get_irq_byname(pdev, name);
+
+ if (irq < 0) {
+ if (irq == -EPROBE_DEFER)
+ return irq;
+ if (required)
+ dev_err(ctx->dev, "cannot get %s IRQ\n", name);
+ else
+ irq = 0;
+ return irq;
+ }
+ irq_set_status_flags(irq, IRQ_NOAUTOEN);
+ ret = devm_request_irq(ctx->dev, irq, handler, flags, "drm_decon", ctx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "IRQ %s request failed\n", name);
+ return ret;
+ }
+
+ return irq;
+}
+
static int exynos5433_decon_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
if (!ctx)
return -ENOMEM;
- __set_bit(BIT_SUSPENDED, &ctx->flags);
ctx->dev = dev;
ctx->out_type = (unsigned long)of_device_get_match_data(dev);
spin_lock_init(&ctx->vblank_lock);
ctx->out_type |= IFTYPE_I80;
}
- if (ctx->out_type & I80_HW_TRG) {
- ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
- "samsung,disp-sysreg");
- if (IS_ERR(ctx->sysreg)) {
- dev_err(dev, "failed to get system register\n");
- return PTR_ERR(ctx->sysreg);
- }
- }
-
for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++) {
struct clk *clk;
return PTR_ERR(ctx->addr);
}
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- (ctx->out_type & IFTYPE_I80) ? "lcd_sys" : "vsync");
- if (!res) {
- dev_err(dev, "cannot find IRQ resource\n");
- return -ENXIO;
+ if (ctx->out_type & IFTYPE_I80) {
+ ret = decon_conf_irq(ctx, "lcd_sys", decon_irq_handler, 0, true);
+ if (ret < 0)
+ return ret;
+ ctx->irq = ret;
+
+ ret = decon_conf_irq(ctx, "te", decon_te_irq_handler,
+ IRQF_TRIGGER_RISING, false);
+ if (ret < 0)
+ return ret;
+ if (ret) {
+ ctx->te_irq = ret;
+ ctx->out_type &= ~I80_HW_TRG;
+ }
+ } else {
+ ret = decon_conf_irq(ctx, "vsync", decon_irq_handler, 0, true);
+ if (ret < 0)
+ return ret;
+ ctx->irq = ret;
}
- ret = devm_request_irq(dev, res->start, decon_irq_handler, 0,
- "drm_decon", ctx);
- if (ret < 0) {
- dev_err(dev, "lcd_sys irq request failed\n");
- return ret;
+ if (ctx->out_type & I80_HW_TRG) {
+ ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
+ "samsung,disp-sysreg");
+ if (IS_ERR(ctx->sysreg)) {
+ dev_err(dev, "failed to get system register\n");
+ return PTR_ERR(ctx->sysreg);
+ }
}
platform_set_drvdata(pdev, ctx);
unsigned long irq_flags;
bool i80_if;
bool suspended;
- int pipe;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
static int decon_ctx_initialize(struct decon_context *ctx,
struct drm_device *drm_dev)
{
- struct exynos_drm_private *priv = drm_dev->dev_private;
- int ret;
-
ctx->drm_dev = drm_dev;
- ctx->pipe = priv->pipe++;
decon_clear_channels(ctx->crtc);
- ret = drm_iommu_attach_device(drm_dev, ctx->dev);
- if (ret)
- priv->pipe--;
-
- return ret;
+ return drm_iommu_attach_device(drm_dev, ctx->dev);
}
static void decon_ctx_remove(struct decon_context *ctx)
static const struct exynos_drm_crtc_ops decon_crtc_ops = {
.enable = decon_enable,
.disable = decon_disable,
- .commit = decon_commit,
.enable_vblank = decon_enable_vblank,
.disable_vblank = decon_disable_vblank,
.atomic_begin = decon_atomic_begin,
writel(clear_bit, ctx->regs + VIDINTCON1);
/* check the crtc is detached already from encoder */
- if (ctx->pipe < 0 || !ctx->drm_dev)
+ if (!ctx->drm_dev)
goto out;
if (!ctx->i80_if) {
ctx->configs[i].type = decon_win_types[i];
ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
- 1 << ctx->pipe, &ctx->configs[i]);
+ &ctx->configs[i]);
if (ret)
return ret;
}
exynos_plane = &ctx->planes[DEFAULT_WIN];
ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
- ctx->pipe, EXYNOS_DISPLAY_TYPE_LCD,
- &decon_crtc_ops, ctx);
+ EXYNOS_DISPLAY_TYPE_LCD, &decon_crtc_ops, ctx);
if (IS_ERR(ctx->crtc)) {
decon_ctx_remove(ctx);
return PTR_ERR(ctx->crtc);
}
}
-static void
-exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
-{
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
- if (exynos_crtc->ops->commit)
- exynos_crtc->ops->commit(exynos_crtc);
-}
-
static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
.enable = exynos_drm_crtc_enable,
.disable = exynos_drm_crtc_disable,
- .mode_set_nofb = exynos_drm_crtc_mode_set_nofb,
.atomic_check = exynos_crtc_atomic_check,
.atomic_begin = exynos_crtc_atomic_begin,
.atomic_flush = exynos_crtc_atomic_flush,
struct drm_pending_vblank_event *event = crtc->state->event;
unsigned long flags;
- if (event) {
- crtc->state->event = NULL;
- spin_lock_irqsave(&crtc->dev->event_lock, flags);
- if (drm_crtc_vblank_get(crtc) == 0)
- drm_crtc_arm_vblank_event(crtc, event);
- else
- drm_crtc_send_vblank_event(crtc, event);
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
- }
+ if (!event)
+ return;
+ crtc->state->event = NULL;
+ WARN_ON(drm_crtc_vblank_get(crtc) != 0);
+
+ spin_lock_irqsave(&crtc->dev->event_lock, flags);
+ drm_crtc_arm_vblank_event(crtc, event);
+ spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
}
static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
exynos_crtc->ops->disable_vblank(exynos_crtc);
}
+static u32 exynos_drm_crtc_get_vblank_counter(struct drm_crtc *crtc)
+{
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+
+ if (exynos_crtc->ops->get_vblank_counter)
+ return exynos_crtc->ops->get_vblank_counter(exynos_crtc);
+
+ return 0;
+}
+
static const struct drm_crtc_funcs exynos_crtc_funcs = {
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
.enable_vblank = exynos_drm_crtc_enable_vblank,
.disable_vblank = exynos_drm_crtc_disable_vblank,
+ .get_vblank_counter = exynos_drm_crtc_get_vblank_counter,
};
struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
struct drm_plane *plane,
- int pipe,
enum exynos_drm_output_type type,
const struct exynos_drm_crtc_ops *ops,
void *ctx)
if (!exynos_crtc)
return ERR_PTR(-ENOMEM);
- exynos_crtc->pipe = pipe;
exynos_crtc->type = type;
exynos_crtc->ops = ops;
exynos_crtc->ctx = ctx;
{
struct drm_crtc *crtc;
- list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
- struct exynos_drm_crtc *exynos_crtc;
-
- exynos_crtc = to_exynos_crtc(crtc);
- if (exynos_crtc->type == out_type)
- return exynos_crtc->pipe;
- }
+ drm_for_each_crtc(crtc, drm_dev)
+ if (to_exynos_crtc(crtc)->type == out_type)
+ return drm_crtc_index(crtc);
return -EPERM;
}
struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
struct drm_plane *plane,
- int pipe,
enum exynos_drm_output_type type,
const struct exynos_drm_crtc_ops *ops,
void *context);
*
* @enable: enable the device
* @disable: disable the device
- * @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
* @disable_vblank: specific driver callback for disabling vblank interrupt.
* @atomic_check: validate state
struct exynos_drm_crtc_ops {
void (*enable)(struct exynos_drm_crtc *crtc);
void (*disable)(struct exynos_drm_crtc *crtc);
- void (*commit)(struct exynos_drm_crtc *crtc);
int (*enable_vblank)(struct exynos_drm_crtc *crtc);
void (*disable_vblank)(struct exynos_drm_crtc *crtc);
+ u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);
int (*atomic_check)(struct exynos_drm_crtc *crtc,
struct drm_crtc_state *state);
void (*atomic_begin)(struct exynos_drm_crtc *crtc);
*
* @base: crtc object.
* @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
- * @pipe: a crtc index created at load() with a new crtc object creation
- * and the crtc object would be set to private->crtc array
- * to get a crtc object corresponding to this pipe from private->crtc
- * array when irq interrupt occurred. the reason of using this pipe is that
- * drm framework doesn't support multiple irq yet.
- * we can refer to the crtc to current hardware interrupt occurred through
- * this pipe value.
- * @enabled: if the crtc is enabled or not
- * @event: vblank event that is currently queued for flip
- * @wait_update: wait all pending planes updates to finish
- * @pending_update: number of pending plane updates in this crtc
* @ops: pointer to callbacks for exynos drm specific functionality
* @ctx: A pointer to the crtc's implementation specific context
+ * @pipe_clk: A pointer to the crtc's pipeline clock.
*/
struct exynos_drm_crtc {
struct drm_crtc base;
enum exynos_drm_output_type type;
- unsigned int pipe;
const struct exynos_drm_crtc_ops *ops;
void *ctx;
struct exynos_drm_clk *pipe_clk;
* otherwise default one.
* @da_space_size: size of device address space.
* if 0 then default value is used for it.
- * @pipe: the pipe number for this crtc/manager.
* @pending: the crtcs that have pending updates to finish
* @lock: protect access to @pending
* @wait: wait an atomic commit to finish
struct device *dma_dev;
void *mapping;
- unsigned int pipe;
-
/* for atomic commit */
u32 pending;
spinlock_t lock;
{
struct device *dev = dsi->dev;
struct device_node *node = dev->of_node;
- struct device_node *ep;
int ret;
ret = exynos_dsi_of_read_u32(node, "samsung,pll-clock-frequency",
if (ret < 0)
return ret;
- ep = of_graph_get_endpoint_by_regs(node, DSI_PORT_OUT, 0);
- if (!ep) {
- dev_err(dev, "no output port with endpoint specified\n");
- return -EINVAL;
- }
-
- ret = exynos_dsi_of_read_u32(ep, "samsung,burst-clock-frequency",
+ ret = exynos_dsi_of_read_u32(node, "samsung,burst-clock-frequency",
&dsi->burst_clk_rate);
if (ret < 0)
- goto end;
+ return ret;
- ret = exynos_dsi_of_read_u32(ep, "samsung,esc-clock-frequency",
+ ret = exynos_dsi_of_read_u32(node, "samsung,esc-clock-frequency",
&dsi->esc_clk_rate);
if (ret < 0)
- goto end;
-
- of_node_put(ep);
+ return ret;
- dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_OUT, 0);
+ dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
if (!dsi->bridge_node)
return -EINVAL;
-end:
- of_node_put(ep);
-
- return ret;
+ return 0;
}
static int exynos_dsi_bind(struct device *dev, struct device *master,
static int exynos_dsi_remove(struct platform_device *pdev)
{
+ struct exynos_dsi *dsi = platform_get_drvdata(pdev);
+
+ of_node_put(dsi->bridge_node);
+
pm_runtime_disable(&pdev->dev);
component_del(&pdev->dev, &exynos_dsi_component_ops);
u32 i80ifcon;
bool i80_if;
bool suspended;
- int pipe;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
atomic_t win_updated;
/* Wait for vsync, as disable channel takes effect at next vsync */
if (ch_enabled) {
- int pipe = ctx->pipe;
-
- /* ensure that vblank interrupt won't be reported to core */
ctx->suspended = false;
- ctx->pipe = -1;
fimd_enable_vblank(ctx->crtc);
fimd_wait_for_vblank(ctx->crtc);
fimd_disable_vblank(ctx->crtc);
ctx->suspended = true;
- ctx->pipe = pipe;
}
clk_disable_unprepare(ctx->lcd_clk);
u32 trg_type = ctx->driver_data->trg_type;
/* Checks the crtc is detached already from encoder */
- if (ctx->pipe < 0 || !ctx->drm_dev)
+ if (!ctx->drm_dev)
return;
if (trg_type == I80_HW_TRG)
static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
.enable = fimd_enable,
.disable = fimd_disable,
- .commit = fimd_commit,
.enable_vblank = fimd_enable_vblank,
.disable_vblank = fimd_disable_vblank,
.atomic_begin = fimd_atomic_begin,
writel(clear_bit, ctx->regs + VIDINTCON1);
/* check the crtc is detached already from encoder */
- if (ctx->pipe < 0 || !ctx->drm_dev)
+ if (!ctx->drm_dev)
goto out;
if (!ctx->i80_if)
{
struct fimd_context *ctx = dev_get_drvdata(dev);
struct drm_device *drm_dev = data;
- struct exynos_drm_private *priv = drm_dev->dev_private;
struct exynos_drm_plane *exynos_plane;
unsigned int i;
int ret;
ctx->drm_dev = drm_dev;
- ctx->pipe = priv->pipe++;
for (i = 0; i < WINDOWS_NR; i++) {
ctx->configs[i].pixel_formats = fimd_formats;
ctx->configs[i].zpos = i;
ctx->configs[i].type = fimd_win_types[i];
ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
- 1 << ctx->pipe, &ctx->configs[i]);
+ &ctx->configs[i]);
if (ret)
return ret;
}
exynos_plane = &ctx->planes[DEFAULT_WIN];
ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
- ctx->pipe, EXYNOS_DISPLAY_TYPE_LCD,
- &fimd_crtc_ops, ctx);
+ EXYNOS_DISPLAY_TYPE_LCD, &fimd_crtc_ops, ctx);
if (IS_ERR(ctx->crtc))
return PTR_ERR(ctx->crtc);
if (is_drm_iommu_supported(drm_dev))
fimd_clear_channels(ctx->crtc);
- ret = drm_iommu_attach_device(drm_dev, dev);
- if (ret)
- priv->pipe--;
-
- return ret;
+ return drm_iommu_attach_device(drm_dev, dev);
}
static void fimd_unbind(struct device *dev, struct device *master,
}
int exynos_plane_init(struct drm_device *dev,
- struct exynos_drm_plane *exynos_plane,
- unsigned int index, unsigned long possible_crtcs,
+ struct exynos_drm_plane *exynos_plane, unsigned int index,
const struct exynos_drm_plane_config *config)
{
int err;
err = drm_universal_plane_init(dev, &exynos_plane->base,
- possible_crtcs,
+ 1 << dev->mode_config.num_crtc,
&exynos_plane_funcs,
config->pixel_formats,
config->num_pixel_formats,
int exynos_plane_init(struct drm_device *dev,
struct exynos_drm_plane *exynos_plane, unsigned int index,
- unsigned long possible_crtcs,
const struct exynos_drm_plane_config *config);
bool suspended;
struct timer_list timer;
struct mutex lock;
- int pipe;
};
static inline struct vidi_context *encoder_to_vidi(struct drm_encoder *e)
mutex_unlock(&ctx->lock);
}
-static int vidi_ctx_initialize(struct vidi_context *ctx,
- struct drm_device *drm_dev)
-{
- struct exynos_drm_private *priv = drm_dev->dev_private;
-
- ctx->drm_dev = drm_dev;
- ctx->pipe = priv->pipe++;
-
- return 0;
-}
-
static const struct exynos_drm_crtc_ops vidi_crtc_ops = {
.enable = vidi_enable,
.disable = vidi_disable,
{
struct vidi_context *ctx = (void *)arg;
- if (ctx->pipe < 0)
- return;
-
if (drm_crtc_handle_vblank(&ctx->crtc->base))
mod_timer(&ctx->timer,
jiffies + msecs_to_jiffies(VIDI_REFRESH_TIME) - 1);
unsigned int i;
int pipe, ret;
- vidi_ctx_initialize(ctx, drm_dev);
+ ctx->drm_dev = drm_dev;
plane_config.pixel_formats = formats;
plane_config.num_pixel_formats = ARRAY_SIZE(formats);
plane_config.type = vidi_win_types[i];
ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
- 1 << ctx->pipe, &plane_config);
+ &plane_config);
if (ret)
return ret;
}
exynos_plane = &ctx->planes[DEFAULT_WIN];
ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
- ctx->pipe, EXYNOS_DISPLAY_TYPE_VIDI,
- &vidi_crtc_ops, ctx);
+ EXYNOS_DISPLAY_TYPE_VIDI, &vidi_crtc_ops, ctx);
if (IS_ERR(ctx->crtc)) {
DRM_ERROR("failed to create crtc.\n");
return PTR_ERR(ctx->crtc);
static void hdmi_disable(struct drm_encoder *encoder)
{
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
- struct drm_crtc *crtc = encoder->crtc;
- const struct drm_crtc_helper_funcs *funcs = NULL;
if (!hdata->powered)
return;
* to disable TV Subsystem should be as following,
* VP -> Mixer -> HDMI
*
- * Below codes will try to disable Mixer and VP(if used)
- * prior to disabling HDMI.
+ * To achieve such sequence HDMI is disabled together with HDMI PHY, via
+ * pipe clock callback.
*/
- if (crtc)
- funcs = crtc->helper_private;
- if (funcs && funcs->disable)
- (*funcs->disable)(crtc);
-
- cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
cancel_delayed_work(&hdata->hotplug_work);
+ cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
hdmiphy_disable(hdata);
}
#define MIXER_WIN_NR 3
#define VP_DEFAULT_WIN 2
+/*
+ * Mixer color space conversion coefficient triplet.
+ * Used for CSC from RGB to YCbCr.
+ * Each coefficient is a 10-bit fixed point number with
+ * sign and no integer part, i.e.
+ * [0:8] = fractional part (representing a value y = x / 2^9)
+ * [9] = sign
+ * Negative values are encoded with two's complement.
+ */
+#define MXR_CSC_C(x) ((int)((x) * 512.0) & 0x3ff)
+#define MXR_CSC_CT(a0, a1, a2) \
+ ((MXR_CSC_C(a0) << 20) | (MXR_CSC_C(a1) << 10) | (MXR_CSC_C(a2) << 0))
+
+/* YCbCr value, used for mixer background color configuration. */
+#define MXR_YCBCR_VAL(y, cb, cr) (((y) << 16) | ((cb) << 8) | ((cr) << 0))
+
/* The pixelformats that are natively supported by the mixer. */
#define MXR_FORMAT_RGB565 4
#define MXR_FORMAT_ARGB1555 5
struct drm_device *drm_dev;
struct exynos_drm_crtc *crtc;
struct exynos_drm_plane planes[MIXER_WIN_NR];
- int pipe;
unsigned long flags;
struct mixer_resources mixer_res;
struct mixer_resources *res = &ctx->mixer_res;
u32 val;
- if (height == 480) {
- val = MXR_CFG_RGB601_0_255;
- } else if (height == 576) {
+ switch (height) {
+ case 480:
+ case 576:
val = MXR_CFG_RGB601_0_255;
- } else if (height == 720) {
- val = MXR_CFG_RGB709_16_235;
- mixer_reg_write(res, MXR_CM_COEFF_Y,
- (1 << 30) | (94 << 20) | (314 << 10) |
- (32 << 0));
- mixer_reg_write(res, MXR_CM_COEFF_CB,
- (972 << 20) | (851 << 10) | (225 << 0));
- mixer_reg_write(res, MXR_CM_COEFF_CR,
- (225 << 20) | (820 << 10) | (1004 << 0));
- } else if (height == 1080) {
- val = MXR_CFG_RGB709_16_235;
- mixer_reg_write(res, MXR_CM_COEFF_Y,
- (1 << 30) | (94 << 20) | (314 << 10) |
- (32 << 0));
- mixer_reg_write(res, MXR_CM_COEFF_CB,
- (972 << 20) | (851 << 10) | (225 << 0));
- mixer_reg_write(res, MXR_CM_COEFF_CR,
- (225 << 20) | (820 << 10) | (1004 << 0));
- } else {
+ break;
+ case 720:
+ case 1080:
+ default:
val = MXR_CFG_RGB709_16_235;
+ /* Configure the BT.709 CSC matrix for full range RGB. */
mixer_reg_write(res, MXR_CM_COEFF_Y,
- (1 << 30) | (94 << 20) | (314 << 10) |
- (32 << 0));
+ MXR_CSC_CT( 0.184, 0.614, 0.063) |
+ MXR_CM_COEFF_RGB_FULL);
mixer_reg_write(res, MXR_CM_COEFF_CB,
- (972 << 20) | (851 << 10) | (225 << 0));
+ MXR_CSC_CT(-0.102, -0.338, 0.440));
mixer_reg_write(res, MXR_CM_COEFF_CR,
- (225 << 20) | (820 << 10) | (1004 << 0));
+ MXR_CSC_CT( 0.440, -0.399, -0.040));
+ break;
}
mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_RGB_FMT_MASK);
/* reset default layer priority */
mixer_reg_write(res, MXR_LAYER_CFG, 0);
- /* 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);
+ /* 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));
if (test_bit(MXR_BIT_VP_ENABLED, &ctx->flags)) {
/* configuration of Video Processor Registers */
priv = drm_dev->dev_private;
mixer_ctx->drm_dev = drm_dev;
- mixer_ctx->pipe = priv->pipe++;
/* acquire resources: regs, irqs, clocks */
ret = mixer_resources_init(mixer_ctx);
}
}
- ret = drm_iommu_attach_device(drm_dev, mixer_ctx->dev);
- if (ret)
- priv->pipe--;
-
- return ret;
+ return drm_iommu_attach_device(drm_dev, mixer_ctx->dev);
}
static void mixer_ctx_remove(struct mixer_context *mixer_ctx)
continue;
ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
- 1 << ctx->pipe, &plane_configs[i]);
+ &plane_configs[i]);
if (ret)
return ret;
}
exynos_plane = &ctx->planes[DEFAULT_WIN];
ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
- ctx->pipe, EXYNOS_DISPLAY_TYPE_HDMI,
- &mixer_crtc_ops, ctx);
+ EXYNOS_DISPLAY_TYPE_HDMI, &mixer_crtc_ops, ctx);
if (IS_ERR(ctx->crtc)) {
mixer_ctx_remove(ctx);
ret = PTR_ERR(ctx->crtc);
#define MXR_INT_EN_VSYNC (1 << 11)
#define MXR_INT_EN_ALL (0x0f << 8)
-/* bit for MXR_INT_STATUS */
+/* bits for MXR_INT_STATUS */
#define MXR_INT_CLEAR_VSYNC (1 << 11)
#define MXR_INT_STATUS_VSYNC (1 << 0)
-/* bit for MXR_LAYER_CFG */
+/* bits for MXR_LAYER_CFG */
#define MXR_LAYER_CFG_GRP1_VAL(x) MXR_MASK_VAL(x, 11, 8)
#define MXR_LAYER_CFG_GRP1_MASK MXR_LAYER_CFG_GRP1_VAL(~0)
#define MXR_LAYER_CFG_GRP0_VAL(x) MXR_MASK_VAL(x, 7, 4)
#define MXR_LAYER_CFG_VP_VAL(x) MXR_MASK_VAL(x, 3, 0)
#define MXR_LAYER_CFG_VP_MASK MXR_LAYER_CFG_VP_VAL(~0)
+/* bits for MXR_CM_COEFF_Y */
+#define MXR_CM_COEFF_RGB_FULL (1 << 30)
+
#endif /* SAMSUNG_REGS_MIXER_H */
#define WINCONx_ENWIN_F (1 << 0)
/* SHADOWCON */
+#define SHADOWCON_PROTECT_MASK GENMASK(14, 10)
#define SHADOWCON_Wx_PROTECT(n) (1 << (10 + (n)))
/* VIDOSDxD */
projects / mirror_ubuntu-artful-kernel.git / commitdiff