// SPDX-License-Identifier: GPL-2.0-only
/*
* HDMI interface DSS driver for TI's OMAP4 family of SoCs.
*
* Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
* Authors: Yong Zhi
* Mythri pk <[email protected]>
*/
#define DSS_SUBSYS_NAME "HDMI"
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
#include <linux/component.h>
#include <linux/of.h>
#include <linux/of_graph.h>
#include <sound/omap-hdmi-audio.h>
#include <media/cec.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_state_helper.h>
#include <drm/drm_edid.h>
#include "omapdss.h"
#include "hdmi4_core.h"
#include "hdmi4_cec.h"
#include "dss.h"
#include "hdmi.h"
static int hdmi_runtime_get(struct omap_hdmi *hdmi)
{
int r;
DSSDBG("hdmi_runtime_get\n");
r = pm_runtime_get_sync(&hdmi->pdev->dev);
if (WARN_ON(r < 0)) {
pm_runtime_put_noidle(&hdmi->pdev->dev);
return r;
}
return 0;
}
static void hdmi_runtime_put(struct omap_hdmi *hdmi)
{
int r;
DSSDBG("hdmi_runtime_put\n");
r = pm_runtime_put_sync(&hdmi->pdev->dev);
WARN_ON(r < 0 && r != -ENOSYS);
}
static irqreturn_t hdmi_irq_handler(int irq, void *data)
{
struct omap_hdmi *hdmi = data;
struct hdmi_wp_data *wp = &hdmi->wp;
u32 irqstatus;
irqstatus = hdmi_wp_get_irqstatus(wp);
hdmi_wp_set_irqstatus(wp, irqstatus);
if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
/*
* If we get both connect and disconnect interrupts at the same
* time, turn off the PHY, clear interrupts, and restart, which
* raises connect interrupt if a cable is connected, or nothing
* if cable is not connected.
*/
hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
HDMI_IRQ_LINK_DISCONNECT);
hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
} else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
} else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
}
if (irqstatus & HDMI_IRQ_CORE) {
u32 intr4 = hdmi_read_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4);
hdmi_write_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4, intr4);
if (intr4 & 8)
hdmi4_cec_irq(&hdmi->core);
}
return IRQ_HANDLED;
}
static int hdmi_power_on_core(struct omap_hdmi *hdmi)
{
int r;
if (hdmi->core.core_pwr_cnt++)
return 0;
r = regulator_enable(hdmi->vdda_reg);
if (r)
goto err_reg_enable;
r = hdmi_runtime_get(hdmi);
if (r)
goto err_runtime_get;
hdmi4_core_powerdown_disable(&hdmi->core);
/* Make selection of HDMI in DSS */
dss_select_hdmi_venc_clk_source(hdmi->dss, DSS_HDMI_M_PCLK);
hdmi->core_enabled = true;
return 0;
err_runtime_get:
regulator_disable(hdmi->vdda_reg);
err_reg_enable:
hdmi->core.core_pwr_cnt--;
return r;
}
static void hdmi_power_off_core(struct omap_hdmi *hdmi)
{
if (--hdmi->core.core_pwr_cnt)
return;
hdmi->core_enabled = false;
hdmi_runtime_put(hdmi);
regulator_disable(hdmi->vdda_reg);
}
static int hdmi_power_on_full(struct omap_hdmi *hdmi)
{
int r;
const struct videomode *vm;
struct hdmi_wp_data *wp = &hdmi->wp;
struct dss_pll_clock_info hdmi_cinfo = { 0 };
unsigned int pc;
r = hdmi_power_on_core(hdmi);
if (r)
return r;
/* disable and clear irqs */
hdmi_wp_clear_irqenable(wp, ~HDMI_IRQ_CORE);
hdmi_wp_set_irqstatus(wp, ~HDMI_IRQ_CORE);
vm = &hdmi->cfg.vm;
DSSDBG("hdmi_power_on hactive= %d vactive = %d\n", vm->hactive,
vm->vactive);
pc = vm->pixelclock;
if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
pc *= 2;
/* DSS_HDMI_TCLK is bitclk / 10 */
pc *= 10;
dss_pll_calc_b(&hdmi->pll.pll, clk_get_rate(hdmi->pll.pll.clkin),
pc, &hdmi_cinfo);
r = dss_pll_enable(&hdmi->pll.pll);
if (r) {
DSSERR("Failed to enable PLL\n");
goto err_pll_enable;
}
r = dss_pll_set_config(&hdmi->pll.pll, &hdmi_cinfo);
if (r) {
DSSERR("Failed to configure PLL\n");
goto err_pll_cfg;
}
r = hdmi_phy_configure(&hdmi->phy, hdmi_cinfo.clkdco,
hdmi_cinfo.clkout[0]);
if (r) {
DSSDBG("Failed to configure PHY\n");
goto err_phy_cfg;
}
r = hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
if (r)
goto err_phy_pwr;
hdmi4_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg);
r = dss_mgr_enable(&hdmi->output);
if (r)
goto err_mgr_enable;
r = hdmi_wp_video_start(&hdmi->wp);
if (r)
goto err_vid_enable;
hdmi_wp_set_irqenable(wp,
HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
return 0;
err_vid_enable:
dss_mgr_disable(&hdmi->output);
err_mgr_enable:
hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
err_phy_pwr:
err_phy_cfg:
err_pll_cfg:
dss_pll_disable(&hdmi->pll.pll);
err_pll_enable:
hdmi_power_off_core(hdmi);
return -EIO;
}
static void hdmi_power_off_full(struct omap_hdmi *hdmi)
{
hdmi_wp_clear_irqenable(&hdmi->wp, ~HDMI_IRQ_CORE);
hdmi_wp_video_stop(&hdmi->wp);
dss_mgr_disable(&hdmi->output);
hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
dss_pll_disable(&hdmi->pll.pll);
hdmi_power_off_core(hdmi);
}
static int hdmi_dump_regs(struct seq_file *s, void *p)
{
struct omap_hdmi *hdmi = s->private;
mutex_lock(&hdmi->lock);
if (hdmi_runtime_get(hdmi)) {
mutex_unlock(&hdmi->lock);
return 0;
}
hdmi_wp_dump(&hdmi->wp, s);
hdmi_pll_dump(&hdmi->pll, s);
hdmi_phy_dump(&hdmi->phy, s);
hdmi4_core_dump(&hdmi->core, s);
hdmi_runtime_put(hdmi);
mutex_unlock(&hdmi->lock);
return 0;
}
static void hdmi_start_audio_stream(struct omap_hdmi *hd)
{
hdmi_wp_audio_enable(&hd->wp, true);
hdmi4_audio_start(&hd->core, &hd->wp);
}
static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
{
hdmi4_audio_stop(&hd->core, &hd->wp);
hdmi_wp_audio_enable(&hd->wp, false);
}
int hdmi4_core_enable(struct hdmi_core_data *core)
{
struct omap_hdmi *hdmi = container_of(core, struct omap_hdmi, core);
int r = 0;
DSSDBG("ENTER omapdss_hdmi4_core_enable\n");
mutex_lock(&hdmi->lock);
r = hdmi_power_on_core(hdmi);
if (r) {
DSSERR("failed to power on device\n");
goto err0;
}
mutex_unlock(&hdmi->lock);
return 0;
err0:
mutex_unlock(&hdmi->lock);
return r;
}
void hdmi4_core_disable(struct hdmi_core_data *core)
{
struct omap_hdmi *hdmi = container_of(core, struct omap_hdmi, core);
DSSDBG("Enter omapdss_hdmi4_core_disable\n");
mutex_lock(&hdmi->lock);
hdmi_power_off_core(hdmi);
mutex_unlock(&hdmi->lock);
}
/* -----------------------------------------------------------------------------
* DRM Bridge Operations
*/
static int hdmi4_bridge_attach(struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
return -EINVAL;
return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge,
bridge, flags);
}
static void hdmi4_bridge_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
mutex_lock(&hdmi->lock);
drm_display_mode_to_videomode(adjusted_mode, &hdmi->cfg.vm);
dispc_set_tv_pclk(hdmi->dss->dispc, adjusted_mode->clock * 1000);
mutex_unlock(&hdmi->lock);
}
static void hdmi4_bridge_enable(struct drm_bridge *bridge,
struct drm_bridge_state *bridge_state)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
struct drm_atomic_state *state = bridge_state->base.state;
struct drm_connector_state *conn_state;
struct drm_connector *connector;
struct drm_crtc_state *crtc_state;
unsigned long flags;
int ret;
/*
* None of these should fail, as the bridge can't be enabled without a
* valid CRTC to connector path with fully populated new states.
*/
connector = drm_atomic_get_new_connector_for_encoder(state,
bridge->encoder);
if (WARN_ON(!connector))
return;
conn_state = drm_atomic_get_new_connector_state(state, connector);
if (WARN_ON(!conn_state))
return;
crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
if (WARN_ON(!crtc_state))
return;
hdmi->cfg.hdmi_dvi_mode = connector->display_info.is_hdmi
? HDMI_HDMI : HDMI_DVI;
if (connector->display_info.is_hdmi) {
const struct drm_display_mode *mode;
struct hdmi_avi_infoframe avi;
mode = &crtc_state->adjusted_mode;
ret = drm_hdmi_avi_infoframe_from_display_mode(&avi, connector,
mode);
if (ret == 0)
hdmi->cfg.infoframe = avi;
}
mutex_lock(&hdmi->lock);
ret = hdmi_power_on_full(hdmi);
if (ret) {
DSSERR("failed to power on device\n");
goto done;
}
if (hdmi->audio_configured) {
ret = hdmi4_audio_config(&hdmi->core, &hdmi->wp,
&hdmi->audio_config,
hdmi->cfg.vm.pixelclock);
if (ret) {
DSSERR("Error restoring audio configuration: %d", ret);
hdmi->audio_abort_cb(&hdmi->pdev->dev);
hdmi->audio_configured = false;
}
}
spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
if (hdmi->audio_configured && hdmi->audio_playing)
hdmi_start_audio_stream(hdmi);
hdmi->display_enabled = true;
spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
done:
mutex_unlock(&hdmi->lock);
}
static void hdmi4_bridge_disable(struct drm_bridge *bridge,
struct drm_bridge_state *bridge_state)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
unsigned long flags;
mutex_lock(&hdmi->lock);
spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
hdmi_stop_audio_stream(hdmi);
hdmi->display_enabled = false;
spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
hdmi_power_off_full(hdmi);
mutex_unlock(&hdmi->lock);
}
static void hdmi4_bridge_hpd_notify(struct drm_bridge *bridge,
enum drm_connector_status status)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
if (status == connector_status_disconnected)
hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID);
}
static const struct drm_edid *hdmi4_bridge_edid_read(struct drm_bridge *bridge,
struct drm_connector *connector)
{
struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
const struct drm_edid *drm_edid = NULL;
unsigned int cec_addr;
bool need_enable;
int r;
need_enable = hdmi->core_enabled == false;
if (need_enable) {
r = hdmi4_core_enable(&hdmi->core);
if (r)
return NULL;
}
mutex_lock(&hdmi->lock);
r = hdmi_runtime_get(hdmi);
BUG_ON(r);
r = hdmi4_core_ddc_init(&hdmi->core);
if (r)
goto done;
drm_edid = drm_edid_read_custom(connector, hdmi4_core_ddc_read, &hdmi->core);
done:
hdmi_runtime_put(hdmi);
mutex_unlock(&hdmi->lock);
if (drm_edid) {
/*
* FIXME: The CEC physical address should be set using
* hdmi4_cec_set_phys_addr(&hdmi->core,
* connector->display_info.source_physical_address) from a path
* that has read the EDID and called
* drm_edid_connector_update().
*/
const struct edid *edid = drm_edid_raw(drm_edid);
unsigned int len = (edid->extensions + 1) * EDID_LENGTH;
cec_addr = cec_get_edid_phys_addr((u8 *)edid, len, NULL);
} else {
cec_addr = CEC_PHYS_ADDR_INVALID;
}
hdmi4_cec_set_phys_addr(&hdmi->core, cec_addr);
if (need_enable)
hdmi4_core_disable(&hdmi->core);
return drm_edid;
}
static const struct drm_bridge_funcs hdmi4_bridge_funcs = {
.attach = hdmi4_bridge_attach,
.mode_set = hdmi4_bridge_mode_set,
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
.atomic_reset = drm_atomic_helper_bridge_reset,
.atomic_enable = hdmi4_bridge_enable,
.atomic_disable = hdmi4_bridge_disable,
.hpd_notify = hdmi4_bridge_hpd_notify,
.edid_read = hdmi4_bridge_edid_read,
};
static void hdmi4_bridge_init(struct omap_hdmi *hdmi)
{
hdmi->bridge.funcs = &hdmi4_bridge_funcs;
hdmi->bridge.of_node = hdmi->pdev->dev.of_node;
hdmi->bridge.ops = DRM_BRIDGE_OP_EDID;
hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
drm_bridge_add(&hdmi->bridge);
}
static void hdmi4_bridge_cleanup(struct omap_hdmi *hdmi)
{
drm_bridge_remove(&hdmi->bridge);
}
/* -----------------------------------------------------------------------------
* Audio Callbacks
*/
static int hdmi_audio_startup(struct device *dev,
void (*abort_cb)(struct device *dev))
{
struct omap_hdmi *hd = dev_get_drvdata(dev);
mutex_lock(&hd->lock);
WARN_ON(hd->audio_abort_cb != NULL);
hd->audio_abort_cb = abort_cb;
mutex_unlock(&hd->lock);
return 0;
}
static int hdmi_audio_shutdown(struct device *dev)
{
struct omap_hdmi *hd = dev_get_drvdata(dev);
mutex_lock(&hd->lock);
hd->audio_abort_cb = NULL;
hd->audio_configured = false;
hd->audio_playing = false;
mutex_unlock(&hd->lock);
return 0;
}
static int hdmi_audio_start(struct device *dev)
{
struct omap_hdmi *hd = dev_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&hd->audio_playing_lock, flags);
if (hd->display_enabled) {
if (!hdmi_mode_has_audio(&hd->cfg))
DSSERR("%s: Video mode does not support audio\n",
__func__);
hdmi_start_audio_stream(hd);
}
hd->audio_playing = true;
spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
return 0;
}
static void hdmi_audio_stop(struct device *dev)
{
struct omap_hdmi *hd = dev_get_drvdata(dev);
unsigned long flags;
WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
spin_lock_irqsave(&hd->audio_playing_lock, flags);
if (hd->display_enabled)
hdmi_stop_audio_stream(hd);
hd->audio_playing = false;
spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
}
static int hdmi_audio_config(struct device *dev,
struct omap_dss_audio *dss_audio)
{
struct omap_hdmi *hd = dev_get_drvdata(dev);
int ret = 0;
mutex_lock(&hd->lock);
if (hd->display_enabled) {
ret = hdmi4_audio_config(&hd->core, &hd->wp, dss_audio,
hd->cfg.vm.pixelclock);
if (ret)
goto out;
}
hd->audio_configured = true;
hd->audio_config = *dss_audio;
out:
mutex_unlock(&hd->lock);
return ret;
}
static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
.audio_startup = hdmi_audio_startup,
.audio_shutdown = hdmi_audio_shutdown,
.audio_start = hdmi_audio_start,
.audio_stop = hdmi_audio_stop,
.audio_config = hdmi_audio_config,
};
static int hdmi_audio_register(struct omap_hdmi *hdmi)
{
struct omap_hdmi_audio_pdata pdata = {
.dev = &hdmi->pdev->dev,
.version = 4,
.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi->wp),
.ops = &hdmi_audio_ops,
};
hdmi->audio_pdev = platform_device_register_data(
&hdmi->pdev->dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
&pdata, sizeof(pdata));
if (IS_ERR(hdmi->audio_pdev))
return PTR_ERR(hdmi->audio_pdev);
return 0;
}
/* -----------------------------------------------------------------------------
* Component Bind & Unbind
*/
static int hdmi4_bind(struct device *dev, struct device *master, void *data)
{
struct dss_device *dss = dss_get_device(master);
struct omap_hdmi *hdmi = dev_get_drvdata(dev);
int r;
hdmi->dss = dss;
r = hdmi_runtime_get(hdmi);
if (r)
return r;
r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp);
if (r)
goto err_runtime_put;
r = hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp);
if (r)
goto err_pll_uninit;
r = hdmi_audio_register(hdmi);
if (r) {
DSSERR("Registering HDMI audio failed\n");
goto err_cec_uninit;
}
hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
hdmi);
hdmi_runtime_put(hdmi);
return 0;
err_cec_uninit:
hdmi4_cec_uninit(&hdmi->core);
err_pll_uninit:
hdmi_pll_uninit(&hdmi->pll);
err_runtime_put:
hdmi_runtime_put(hdmi);
return r;
}
static void hdmi4_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);
hdmi4_cec_uninit(&hdmi->core);
hdmi_pll_uninit(&hdmi->pll);
}
static const struct component_ops hdmi4_component_ops = {
.bind = hdmi4_bind,
.unbind = hdmi4_unbind,
};
/* -----------------------------------------------------------------------------
* Probe & Remove, Suspend & Resume
*/
static int hdmi4_init_output(struct omap_hdmi *hdmi)
{
struct omap_dss_device *out = &hdmi->output;
int r;
hdmi4_bridge_init(hdmi);
out->dev = &hdmi->pdev->dev;
out->id = OMAP_DSS_OUTPUT_HDMI;
out->type = OMAP_DISPLAY_TYPE_HDMI;
out->name = "hdmi.0";
out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
out->of_port = 0;
r = omapdss_device_init_output(out, &hdmi->bridge);
if (r < 0) {
hdmi4_bridge_cleanup(hdmi);
return r;
}
omapdss_device_register(out);
return 0;
}
static void hdmi4_uninit_output(struct omap_hdmi *hdmi)
{
struct omap_dss_device *out = &hdmi->output;
omapdss_device_unregister(out);
omapdss_device_cleanup_output(out);
hdmi4_bridge_cleanup(hdmi);
}
static int hdmi4_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 hdmi4_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;
dev_set_drvdata(&pdev->dev, hdmi);
mutex_init(&hdmi->lock);
spin_lock_init(&hdmi->audio_playing_lock);
r = hdmi4_probe_of(hdmi);
if (r)
goto err_free;
r = hdmi_wp_init(pdev, &hdmi->wp, 4);
if (r)
goto err_free;
r = hdmi_phy_init(pdev, &hdmi->phy, 4);
if (r)
goto err_free;
r = hdmi4_core_init(pdev, &hdmi->core);
if (r)
goto err_free;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
DSSERR("platform_get_irq failed\n");
r = -ENODEV;
goto err_free;
}
r = devm_request_threaded_irq(&pdev->dev, irq,
NULL, hdmi_irq_handler,
IRQF_ONESHOT, "OMAP HDMI", hdmi);
if (r) {
DSSERR("HDMI IRQ request failed\n");
goto err_free;
}
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;
}
pm_runtime_enable(&pdev->dev);
r = hdmi4_init_output(hdmi);
if (r)
goto err_pm_disable;
r = component_add(&pdev->dev, &hdmi4_component_ops);
if (r)
goto err_uninit_output;
return 0;
err_uninit_output:
hdmi4_uninit_output(hdmi);
err_pm_disable:
pm_runtime_disable(&pdev->dev);
err_free:
kfree(hdmi);
return r;
}
static void hdmi4_remove(struct platform_device *pdev)
{
struct omap_hdmi *hdmi = platform_get_drvdata(pdev);
component_del(&pdev->dev, &hdmi4_component_ops);
hdmi4_uninit_output(hdmi);
pm_runtime_disable(&pdev->dev);
kfree(hdmi);
}
static const struct of_device_id hdmi_of_match[] = {
{ .compatible = "ti,omap4-hdmi", },
{},
};
struct platform_driver omapdss_hdmi4hw_driver = {
.probe = hdmi4_probe,
.remove_new = hdmi4_remove,
.driver = {
.name = "omapdss_hdmi",
.of_match_table = hdmi_of_match,
.suppress_bind_attrs = true,
},
};
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