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path: root/drivers/gpu/drm/omapdrm/dss/venc.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/venc.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/venc.c291
1 files changed, 124 insertions, 167 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
index ac01907dcc34..ff0b18c8e4ac 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -452,7 +452,7 @@ static void venc_runtime_put(struct venc_device *venc)
WARN_ON(r < 0 && r != -ENOSYS);
}
-static const struct venc_config *venc_timings_to_config(struct videomode *vm)
+static const struct venc_config *venc_timings_to_config(const struct videomode *vm)
{
switch (venc_get_videomode(vm)) {
default:
@@ -491,8 +491,6 @@ static int venc_power_on(struct venc_device *venc)
venc_write_reg(venc, VENC_OUTPUT_CONTROL, l);
- dss_mgr_set_timings(&venc->output, &venc->vm);
-
r = regulator_enable(venc->vdda_dac_reg);
if (r)
goto err1;
@@ -568,32 +566,30 @@ static void venc_display_disable(struct omap_dss_device *dssdev)
mutex_unlock(&venc->venc_lock);
}
-static void venc_set_timings(struct omap_dss_device *dssdev,
+static void venc_get_timings(struct omap_dss_device *dssdev,
struct videomode *vm)
{
struct venc_device *venc = dssdev_to_venc(dssdev);
- struct videomode actual_vm;
+
+ mutex_lock(&venc->venc_lock);
+ *vm = venc->vm;
+ mutex_unlock(&venc->venc_lock);
+}
+
+static void venc_set_timings(struct omap_dss_device *dssdev,
+ const struct videomode *vm)
+{
+ struct venc_device *venc = dssdev_to_venc(dssdev);
DSSDBG("venc_set_timings\n");
mutex_lock(&venc->venc_lock);
- switch (venc_get_videomode(vm)) {
- default:
- WARN_ON_ONCE(1);
- case VENC_MODE_PAL:
- actual_vm = omap_dss_pal_vm;
- break;
- case VENC_MODE_NTSC:
- actual_vm = omap_dss_ntsc_vm;
- break;
- }
-
/* Reset WSS data when the TV standard changes. */
- if (memcmp(&venc->vm, &actual_vm, sizeof(actual_vm)))
+ if (memcmp(&venc->vm, vm, sizeof(*vm)))
venc->wss_data = 0;
- venc->vm = actual_vm;
+ venc->vm = *vm;
dispc_set_tv_pclk(venc->dss->dispc, 13500000);
@@ -607,80 +603,16 @@ static int venc_check_timings(struct omap_dss_device *dssdev,
switch (venc_get_videomode(vm)) {
case VENC_MODE_PAL:
- case VENC_MODE_NTSC:
+ *vm = omap_dss_pal_vm;
return 0;
- default:
- return -EINVAL;
- }
-}
-
-static void venc_get_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct venc_device *venc = dssdev_to_venc(dssdev);
-
- mutex_lock(&venc->venc_lock);
-
- *vm = venc->vm;
-
- mutex_unlock(&venc->venc_lock);
-}
-
-static u32 venc_get_wss(struct omap_dss_device *dssdev)
-{
- struct venc_device *venc = dssdev_to_venc(dssdev);
-
- /* Invert due to VENC_L21_WC_CTL:INV=1 */
- return (venc->wss_data >> 8) ^ 0xfffff;
-}
-
-static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
-{
- struct venc_device *venc = dssdev_to_venc(dssdev);
- const struct venc_config *config;
- int r;
- DSSDBG("venc_set_wss\n");
-
- mutex_lock(&venc->venc_lock);
-
- config = venc_timings_to_config(&venc->vm);
-
- /* Invert due to VENC_L21_WC_CTL:INV=1 */
- venc->wss_data = (wss ^ 0xfffff) << 8;
-
- r = venc_runtime_get(venc);
- if (r)
- goto err;
-
- venc_write_reg(venc, VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
- venc->wss_data);
-
- venc_runtime_put(venc);
-
-err:
- mutex_unlock(&venc->venc_lock);
-
- return r;
-}
-
-static int venc_init_regulator(struct venc_device *venc)
-{
- struct regulator *vdda_dac;
-
- if (venc->vdda_dac_reg != NULL)
+ case VENC_MODE_NTSC:
+ *vm = omap_dss_ntsc_vm;
return 0;
- vdda_dac = devm_regulator_get(&venc->pdev->dev, "vdda");
- if (IS_ERR(vdda_dac)) {
- if (PTR_ERR(vdda_dac) != -EPROBE_DEFER)
- DSSERR("can't get VDDA_DAC regulator\n");
- return PTR_ERR(vdda_dac);
+ default:
+ return -EINVAL;
}
-
- venc->vdda_dac_reg = vdda_dac;
-
- return 0;
}
static int venc_dump_regs(struct seq_file *s, void *p)
@@ -760,47 +692,28 @@ static int venc_get_clocks(struct venc_device *venc)
return 0;
}
-static int venc_connect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
+static int venc_connect(struct omap_dss_device *src,
+ struct omap_dss_device *dst)
{
- struct venc_device *venc = dssdev_to_venc(dssdev);
int r;
- r = venc_init_regulator(venc);
- if (r)
- return r;
-
- r = dss_mgr_connect(&venc->output, dssdev);
+ r = omapdss_device_connect(dst->dss, dst, dst->next);
if (r)
return r;
- r = omapdss_output_set_device(dssdev, dst);
- if (r) {
- DSSERR("failed to connect output to new device: %s\n",
- dst->name);
- dss_mgr_disconnect(&venc->output, dssdev);
- return r;
- }
-
+ dst->dispc_channel_connected = true;
return 0;
}
-static void venc_disconnect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
+static void venc_disconnect(struct omap_dss_device *src,
+ struct omap_dss_device *dst)
{
- struct venc_device *venc = dssdev_to_venc(dssdev);
-
- WARN_ON(dst != dssdev->dst);
-
- if (dst != dssdev->dst)
- return;
-
- omapdss_output_unset_device(dssdev);
+ dst->dispc_channel_connected = false;
- dss_mgr_disconnect(&venc->output, dssdev);
+ omapdss_device_disconnect(dst, dst->next);
}
-static const struct omapdss_atv_ops venc_ops = {
+static const struct omap_dss_device_ops venc_ops = {
.connect = venc_connect,
.disconnect = venc_disconnect,
@@ -808,31 +721,92 @@ static const struct omapdss_atv_ops venc_ops = {
.disable = venc_display_disable,
.check_timings = venc_check_timings,
- .set_timings = venc_set_timings,
.get_timings = venc_get_timings,
+ .set_timings = venc_set_timings,
+};
+
+/* -----------------------------------------------------------------------------
+ * Component Bind & Unbind
+ */
- .set_wss = venc_set_wss,
- .get_wss = venc_get_wss,
+static int venc_bind(struct device *dev, struct device *master, void *data)
+{
+ struct dss_device *dss = dss_get_device(master);
+ struct venc_device *venc = dev_get_drvdata(dev);
+ u8 rev_id;
+ int r;
+
+ venc->dss = dss;
+
+ r = venc_runtime_get(venc);
+ if (r)
+ return r;
+
+ rev_id = (u8)(venc_read_reg(venc, VENC_REV_ID) & 0xff);
+ dev_dbg(dev, "OMAP VENC rev %d\n", rev_id);
+
+ venc_runtime_put(venc);
+
+ venc->debugfs = dss_debugfs_create_file(dss, "venc", venc_dump_regs,
+ venc);
+
+ return 0;
+}
+
+static void venc_unbind(struct device *dev, struct device *master, void *data)
+{
+ struct venc_device *venc = dev_get_drvdata(dev);
+
+ dss_debugfs_remove_file(venc->debugfs);
+}
+
+static const struct component_ops venc_component_ops = {
+ .bind = venc_bind,
+ .unbind = venc_unbind,
};
-static void venc_init_output(struct venc_device *venc)
+/* -----------------------------------------------------------------------------
+ * Probe & Remove, Suspend & Resume
+ */
+
+static int venc_init_output(struct venc_device *venc)
{
struct omap_dss_device *out = &venc->output;
+ int r;
out->dev = &venc->pdev->dev;
out->id = OMAP_DSS_OUTPUT_VENC;
out->output_type = OMAP_DISPLAY_TYPE_VENC;
out->name = "venc.0";
out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
- out->ops.atv = &venc_ops;
+ out->ops = &venc_ops;
out->owner = THIS_MODULE;
+ out->of_ports = BIT(0);
+
+ out->next = omapdss_of_find_connected_device(out->dev->of_node, 0);
+ if (IS_ERR(out->next)) {
+ if (PTR_ERR(out->next) != -EPROBE_DEFER)
+ dev_err(out->dev, "failed to find video sink\n");
+ return PTR_ERR(out->next);
+ }
- omapdss_register_output(out);
+ r = omapdss_output_validate(out);
+ if (r) {
+ omapdss_device_put(out->next);
+ out->next = NULL;
+ return r;
+ }
+
+ omapdss_device_register(out);
+
+ return 0;
}
static void venc_uninit_output(struct venc_device *venc)
{
- omapdss_unregister_output(&venc->output);
+ if (venc->output.next)
+ omapdss_device_put(venc->output.next);
+ omapdss_device_unregister(&venc->output);
}
static int venc_probe_of(struct venc_device *venc)
@@ -878,19 +852,15 @@ err:
return r;
}
-/* VENC HW IP initialisation */
static const struct soc_device_attribute venc_soc_devices[] = {
{ .machine = "OMAP3[45]*" },
{ .machine = "AM35*" },
{ /* sentinel */ }
};
-static int venc_bind(struct device *dev, struct device *master, void *data)
+static int venc_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct dss_device *dss = dss_get_device(master);
struct venc_device *venc;
- u8 rev_id;
struct resource *venc_mem;
int r;
@@ -899,8 +869,8 @@ static int venc_bind(struct device *dev, struct device *master, void *data)
return -ENOMEM;
venc->pdev = pdev;
- venc->dss = dss;
- dev_set_drvdata(dev, venc);
+
+ platform_set_drvdata(pdev, venc);
/* The OMAP34xx, OMAP35xx and AM35xx VENC require the TV DAC clock. */
if (soc_device_match(venc_soc_devices))
@@ -909,6 +879,7 @@ static int venc_bind(struct device *dev, struct device *master, void *data)
mutex_init(&venc->venc_lock);
venc->wss_data = 0;
+ venc->vm = omap_dss_pal_vm;
venc_mem = platform_get_resource(venc->pdev, IORESOURCE_MEM, 0);
venc->base = devm_ioremap_resource(&pdev->dev, venc_mem);
@@ -917,68 +888,54 @@ static int venc_bind(struct device *dev, struct device *master, void *data)
goto err_free;
}
+ venc->vdda_dac_reg = devm_regulator_get(&pdev->dev, "vdda");
+ if (IS_ERR(venc->vdda_dac_reg)) {
+ r = PTR_ERR(venc->vdda_dac_reg);
+ if (r != -EPROBE_DEFER)
+ DSSERR("can't get VDDA_DAC regulator\n");
+ goto err_free;
+ }
+
r = venc_get_clocks(venc);
if (r)
goto err_free;
- pm_runtime_enable(&pdev->dev);
-
- r = venc_runtime_get(venc);
+ r = venc_probe_of(venc);
if (r)
- goto err_runtime_get;
-
- rev_id = (u8)(venc_read_reg(venc, VENC_REV_ID) & 0xff);
- dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id);
-
- venc_runtime_put(venc);
+ goto err_free;
- r = venc_probe_of(venc);
- if (r) {
- DSSERR("Invalid DT data\n");
- goto err_probe_of;
- }
+ pm_runtime_enable(&pdev->dev);
- venc->debugfs = dss_debugfs_create_file(dss, "venc", venc_dump_regs,
- venc);
+ r = venc_init_output(venc);
+ if (r)
+ goto err_pm_disable;
- venc_init_output(venc);
+ r = component_add(&pdev->dev, &venc_component_ops);
+ if (r)
+ goto err_uninit_output;
return 0;
-err_probe_of:
-err_runtime_get:
+err_uninit_output:
+ venc_uninit_output(venc);
+err_pm_disable:
pm_runtime_disable(&pdev->dev);
err_free:
kfree(venc);
return r;
}
-static void venc_unbind(struct device *dev, struct device *master, void *data)
+static int venc_remove(struct platform_device *pdev)
{
- struct venc_device *venc = dev_get_drvdata(dev);
+ struct venc_device *venc = platform_get_drvdata(pdev);
- dss_debugfs_remove_file(venc->debugfs);
+ component_del(&pdev->dev, &venc_component_ops);
venc_uninit_output(venc);
- pm_runtime_disable(dev);
+ pm_runtime_disable(&pdev->dev);
kfree(venc);
-}
-
-static const struct component_ops venc_component_ops = {
- .bind = venc_bind,
- .unbind = venc_unbind,
-};
-
-static int venc_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &venc_component_ops);
-}
-
-static int venc_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &venc_component_ops);
return 0;
}