diff options
author | Ingo Molnar <mingo@kernel.org> | 2018-11-04 01:42:16 +0300 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2018-11-04 01:42:16 +0300 |
commit | 23a12ddee1ce28065b71f14ccc695b5a0c8a64ff (patch) | |
tree | cedaa1cde5b2557116e523c31552187804704093 /drivers/gpu/drm/omapdrm/dss/hdmi5.c | |
parent | 98f76206b33504b934209d16196477dfa519a807 (diff) | |
parent | bcb6fb5da77c2a228adf07cc9cb1a0c2aa2001c6 (diff) | |
download | linux-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.tar.xz |
Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi5.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi5.c | 334 |
1 files changed, 162 insertions, 172 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index ae1a001d1b83..b0e4a7463f8c 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -117,24 +117,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - if (IS_ERR(reg)) { - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -171,7 +153,7 @@ static void hdmi_power_off_core(struct omap_hdmi *hdmi) static int hdmi_power_on_full(struct omap_hdmi *hdmi) { int r; - struct videomode *vm; + const struct videomode *vm; struct dss_pll_clock_info hdmi_cinfo = { 0 }; unsigned int pc; @@ -224,9 +206,6 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) hdmi5_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg); - /* tv size */ - dss_mgr_set_timings(&hdmi->output, vm); - r = dss_mgr_enable(&hdmi->output); if (r) goto err_mgr_enable; @@ -268,19 +247,8 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) hdmi_power_off_core(hdmi); } -static int hdmi_display_check_timing(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm)) - return -EINVAL; - - return 0; -} - -static void hdmi_display_set_timing(struct omap_dss_device *dssdev, - struct videomode *vm) +static void hdmi_display_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); @@ -293,14 +261,6 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev, mutex_unlock(&hdmi->lock); } -static void hdmi_display_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - *vm = hdmi->cfg.vm; -} - static int hdmi_dump_regs(struct seq_file *s, void *p) { struct omap_hdmi *hdmi = s->private; @@ -459,44 +419,25 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) mutex_unlock(&hdmi->lock); } -static int hdmi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int hdmi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r; - r = hdmi_init_regulator(hdmi); - if (r) - return r; - - r = dss_mgr_connect(&hdmi->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(&hdmi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void hdmi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void hdmi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&hdmi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } static int hdmi_read_edid(struct omap_dss_device *dssdev, @@ -540,68 +481,27 @@ static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev, return 0; } -static const struct omapdss_hdmi_ops hdmi_ops = { +static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, .enable = hdmi_display_enable, .disable = hdmi_display_disable, - .check_timings = hdmi_display_check_timing, - .set_timings = hdmi_display_set_timing, - .get_timings = hdmi_display_get_timings, + .set_timings = hdmi_display_set_timings, .read_edid = hdmi_read_edid, - .set_infoframe = hdmi_set_infoframe, - .set_hdmi_mode = hdmi_set_hdmi_mode, -}; - -static void hdmi_init_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - out->dev = &hdmi->pdev->dev; - out->id = OMAP_DSS_OUTPUT_HDMI; - out->output_type = OMAP_DISPLAY_TYPE_HDMI; - out->name = "hdmi.0"; - out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.hdmi = &hdmi_ops; - out->owner = THIS_MODULE; - - omapdss_register_output(out); -} - -static void hdmi_uninit_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - omapdss_unregister_output(out); -} - -static int hdmi_probe_of(struct omap_hdmi *hdmi) -{ - struct platform_device *pdev = hdmi->pdev; - struct device_node *node = pdev->dev.of_node; - struct device_node *ep; - int r; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; - - r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); - if (r) - goto err; - of_node_put(ep); - return 0; + .hdmi = { + .set_infoframe = hdmi_set_infoframe, + .set_hdmi_mode = hdmi_set_hdmi_mode, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * Audio Callbacks + */ -/* Audio callbacks */ static int hdmi_audio_startup(struct device *dev, void (*abort_cb)(struct device *dev)) { @@ -722,27 +622,136 @@ static int hdmi_audio_register(struct omap_hdmi *hdmi) return 0; } -/* HDMI HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + static int hdmi5_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev); struct dss_device *dss = dss_get_device(master); - struct omap_hdmi *hdmi; + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + int r; + + hdmi->dss = dss; + + r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp); + if (r) + return r; + + r = hdmi_audio_register(hdmi); + if (r) { + DSSERR("Registering HDMI audio failed %d\n", r); + goto err_pll_uninit; + } + + hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, + hdmi); + + return 0; + +err_pll_uninit: + hdmi_pll_uninit(&hdmi->pll); + return r; +} + +static void hdmi5_unbind(struct device *dev, struct device *master, void *data) +{ + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(hdmi->debugfs); + + if (hdmi->audio_pdev) + platform_device_unregister(hdmi->audio_pdev); + + hdmi_pll_uninit(&hdmi->pll); +} + +static const struct component_ops hdmi5_component_ops = { + .bind = hdmi5_bind, + .unbind = hdmi5_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int hdmi5_init_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + int r; + + out->dev = &hdmi->pdev->dev; + out->id = OMAP_DSS_OUTPUT_HDMI; + out->output_type = OMAP_DISPLAY_TYPE_HDMI; + out->name = "hdmi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; + out->ops = &hdmi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_EDID; + + 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); + } + + 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 hdmi5_uninit_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int hdmi5_probe_of(struct omap_hdmi *hdmi) +{ + struct platform_device *pdev = hdmi->pdev; + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; int r; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); + of_node_put(ep); + return r; +} + +static int hdmi5_probe(struct platform_device *pdev) +{ + struct omap_hdmi *hdmi; int irq; + int r; hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) return -ENOMEM; hdmi->pdev = pdev; - hdmi->dss = dss; + dev_set_drvdata(&pdev->dev, hdmi); mutex_init(&hdmi->lock); spin_lock_init(&hdmi->audio_playing_lock); - r = hdmi_probe_of(hdmi); + r = hdmi5_probe_of(hdmi); if (r) goto err_free; @@ -750,23 +759,19 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data) if (r) goto err_free; - r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp); - if (r) - goto err_free; - r = hdmi_phy_init(pdev, &hdmi->phy, 5); if (r) - goto err_pll; + goto err_free; r = hdmi5_core_init(pdev, &hdmi->core); if (r) - goto err_pll; + goto err_free; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); r = -ENODEV; - goto err_pll; + goto err_free; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -774,64 +779,49 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_pll; + goto err_free; } - pm_runtime_enable(&pdev->dev); + hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } - hdmi_init_output(hdmi); + pm_runtime_enable(&pdev->dev); - r = hdmi_audio_register(hdmi); - if (r) { - DSSERR("Registering HDMI audio failed %d\n", r); - hdmi_uninit_output(hdmi); - pm_runtime_disable(&pdev->dev); - return r; - } + r = hdmi5_init_output(hdmi); + if (r) + goto err_pm_disable; - hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, - hdmi); + r = component_add(&pdev->dev, &hdmi5_component_ops); + if (r) + goto err_uninit_output; return 0; -err_pll: - hdmi_pll_uninit(&hdmi->pll); +err_uninit_output: + hdmi5_uninit_output(hdmi); +err_pm_disable: + pm_runtime_disable(&pdev->dev); err_free: kfree(hdmi); return r; } -static void hdmi5_unbind(struct device *dev, struct device *master, void *data) +static int hdmi5_remove(struct platform_device *pdev) { - struct omap_hdmi *hdmi = dev_get_drvdata(dev); - - dss_debugfs_remove_file(hdmi->debugfs); + struct omap_hdmi *hdmi = platform_get_drvdata(pdev); - if (hdmi->audio_pdev) - platform_device_unregister(hdmi->audio_pdev); - - hdmi_uninit_output(hdmi); + component_del(&pdev->dev, &hdmi5_component_ops); - hdmi_pll_uninit(&hdmi->pll); + hdmi5_uninit_output(hdmi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(hdmi); -} - -static const struct component_ops hdmi5_component_ops = { - .bind = hdmi5_bind, - .unbind = hdmi5_unbind, -}; - -static int hdmi5_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &hdmi5_component_ops); -} - -static int hdmi5_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &hdmi5_component_ops); return 0; } |