static int __init omap_dss_init(void)
{
int r;
int i;
r = platform_driver_probe(&omap_dss_driver, omap_dss_probe);
if (r)
return r;
r = dss_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSS platform driver\n");
goto err_dss;
}
r = dispc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize dispc platform driver\n");
goto err_dispc;
}
/*
* It's ok if the output-driver register fails. It happens, for example,
* when there is no output-device (e.g. SDI for OMAP4).
*/
for (i = 0; i < ARRAY_SIZE(dss_output_drv_reg_funcs); ++i) {
r = dss_output_drv_reg_funcs[i]();
if (r == 0)
dss_output_drv_loaded[i] = true;
}
dss_initialized = true;
return 0;
err_dispc:
dss_uninit_platform_driver();
err_dss:
platform_driver_unregister(&omap_dss_driver);
return r;
}
/* PLATFORM DEVICE */
static int omap_dss_probe(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
int r;
int i;
core.pdev = pdev;
dss_features_init();
dss_init_overlay_managers(pdev);
dss_init_overlays(pdev);
if (dss_has_feature(FEAT_OVL_WB))
dss_init_writeback(pdev);
r = dss_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSS platform driver\n");
goto err_dss;
}
r = dispc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize dispc platform driver\n");
goto err_dispc;
}
r = rfbi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize rfbi platform driver\n");
goto err_rfbi;
}
r = venc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize venc platform driver\n");
goto err_venc;
}
r = dsi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSI platform driver\n");
goto err_dsi;
}
r = hdmi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize hdmi\n");
goto err_hdmi;
}
r = dss_initialize_debugfs();
if (r)
goto err_debugfs;
for (i = 0; i < pdata->num_devices; ++i) {
struct omap_dss_device *dssdev = pdata->devices[i];
if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
pdata->default_device = dssdev;
r = omap_dss_register_device(dssdev);
if (r) {
DSSERR("device %d %s register failed %d\n", i,
dssdev->name ?: "unnamed", r);
while (--i >= 0)
omap_dss_unregister_device(pdata->devices[i]);
goto err_register;
}
}
return 0;
err_register:
dss_uninitialize_debugfs();
err_debugfs:
hdmi_uninit_platform_driver();
err_hdmi:
dsi_uninit_platform_driver();
err_dsi:
venc_uninit_platform_driver();
err_venc:
dispc_uninit_platform_driver();
err_dispc:
rfbi_uninit_platform_driver();
err_rfbi:
dss_uninit_platform_driver();
err_dss:
return r;
}
/* PLATFORM DEVICE */
static int omap_dss_probe(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
int r;
int i;
core.pdev = pdev;
dss_features_init();
dss_init_overlay_managers(pdev);
dss_init_overlays(pdev);
r = dss_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSS platform driver\n");
goto err_dss;
}
/* keep clocks enabled to prevent context saves/restores during init */
dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK);
r = rfbi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize rfbi platform driver\n");
goto err_rfbi;
}
r = dispc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize dispc platform driver\n");
goto err_dispc;
}
r = venc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize venc platform driver\n");
goto err_venc;
}
r = dsi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSI platform driver\n");
goto err_dsi;
}
r = hdmi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize hdmi\n");
goto err_hdmi;
}
r = dss_initialize_debugfs();
if (r)
goto err_debugfs;
for (i = 0; i < pdata->num_devices; ++i) {
struct omap_dss_device *dssdev = pdata->devices[i];
r = omap_dss_register_device(dssdev);
if (r) {
DSSERR("device %d %s register failed %d\n", i,
dssdev->name ?: "unnamed", r);
while (--i >= 0)
omap_dss_unregister_device(pdata->devices[i]);
goto err_register;
}
if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
pdata->default_device = dssdev;
}
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);
return 0;
err_register:
dss_uninitialize_debugfs();
err_debugfs:
hdmi_uninit_platform_driver();
err_hdmi:
dsi_uninit_platform_driver();
err_dsi:
venc_uninit_platform_driver();
err_venc:
dispc_uninit_platform_driver();
err_dispc:
rfbi_uninit_platform_driver();
err_rfbi:
dss_uninit_platform_driver();
err_dss:
return r;
}
/* PLATFORM DEVICE */
static int omap_dss_probe(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
int r;
int i;
#ifdef CONFIG_MACH_OMAP4_BOWSER_SUBTYPE_JEM
static int first_boot = 1;
struct clk *iclk;
#endif
core.pdev = pdev;
dss_features_init();
dss_init_overlay_managers(pdev);
dss_init_overlays(pdev);
if (dss_has_feature(FEAT_OVL_WB))
dss_init_writeback(pdev);
r = dss_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSS platform driver\n");
goto err_dss;
}
r = dispc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize dispc platform driver\n");
goto err_dispc;
}
r = rfbi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize rfbi platform driver\n");
goto err_rfbi;
}
r = venc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize venc platform driver\n");
goto err_venc;
}
r = dsi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSI platform driver\n");
goto err_dsi;
}
r = hdmi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize hdmi\n");
goto err_hdmi;
}
r = dss_initialize_debugfs();
if (r)
goto err_debugfs;
for (i = 0; i < pdata->num_devices; ++i) {
struct omap_dss_device *dssdev = pdata->devices[i];
if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
pdata->default_device = dssdev;
r = omap_dss_register_device(dssdev);
if (r) {
DSSERR("device %d %s register failed %d\n", i,
dssdev->name ?: "unnamed", r);
while (--i >= 0)
omap_dss_unregister_device(pdata->devices[i]);
goto err_register;
}
}
#ifdef CONFIG_MACH_OMAP4_BOWSER_SUBTYPE_JEM
if (unlikely(first_boot != 0)) {
iclk = clk_get(NULL, "ick");
if (!IS_ERR(iclk)) {
clk_disable(iclk);
clk_put(iclk);
}
first_boot = 0;
}
#endif
return 0;
err_register:
dss_uninitialize_debugfs();
err_debugfs:
hdmi_uninit_platform_driver();
err_hdmi:
dsi_uninit_platform_driver();
err_dsi:
venc_uninit_platform_driver();
err_venc:
dispc_uninit_platform_driver();
err_dispc:
rfbi_uninit_platform_driver();
err_rfbi:
dss_uninit_platform_driver();
err_dss:
return r;
}
static int __init omap_dss_register_drivers(void)
{
int r;
r = platform_driver_probe(&omap_dss_driver, omap_dss_probe);
if (r)
return r;
r = dss_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSS platform driver\n");
goto err_dss;
}
r = dispc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize dispc platform driver\n");
goto err_dispc;
}
r = dpi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize dpi platform driver\n");
goto err_dpi;
}
r = sdi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize sdi platform driver\n");
goto err_sdi;
}
r = rfbi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize rfbi platform driver\n");
goto err_rfbi;
}
r = venc_init_platform_driver();
if (r) {
DSSERR("Failed to initialize venc platform driver\n");
goto err_venc;
}
r = dsi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize DSI platform driver\n");
goto err_dsi;
}
r = hdmi_init_platform_driver();
if (r) {
DSSERR("Failed to initialize hdmi\n");
goto err_hdmi;
}
r = dss_initialize_debugfs();
if (r)
goto err_debugfs;
return 0;
err_debugfs:
err_hdmi:
dsi_uninit_platform_driver();
err_dsi:
venc_uninit_platform_driver();
err_venc:
rfbi_uninit_platform_driver();
err_rfbi:
sdi_uninit_platform_driver();
err_sdi:
dpi_uninit_platform_driver();
err_dpi:
dispc_uninit_platform_driver();
err_dispc:
dss_uninit_platform_driver();
err_dss:
platform_driver_unregister(&omap_dss_driver);
return r;
}