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OMAPDSS: handle output-driver reg/unreg more dynamically
Initialize and uninitialize the output drivers by using arrays of pointers to the init/uninit functions. This simplifies the code slightly. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen
parent
852f083843
commit
461395c464
@ -515,10 +515,54 @@ static int omap_dss_bus_register(void)
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}
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/* INIT */
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static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
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#ifdef CONFIG_OMAP2_DSS_DPI
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dpi_init_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_SDI
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sdi_init_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_RFBI
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rfbi_init_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_VENC
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venc_init_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_DSI
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dsi_init_platform_driver,
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#endif
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#ifdef CONFIG_OMAP4_DSS_HDMI
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hdmi_init_platform_driver,
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#endif
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};
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static void (*dss_output_drv_unreg_funcs[])(void) __exitdata = {
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#ifdef CONFIG_OMAP2_DSS_DPI
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dpi_uninit_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_SDI
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sdi_uninit_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_RFBI
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rfbi_uninit_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_VENC
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venc_uninit_platform_driver,
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#endif
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#ifdef CONFIG_OMAP2_DSS_DSI
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dsi_uninit_platform_driver,
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#endif
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#ifdef CONFIG_OMAP4_DSS_HDMI
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hdmi_uninit_platform_driver,
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#endif
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};
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static bool dss_output_drv_loaded[ARRAY_SIZE(dss_output_drv_reg_funcs)];
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static int __init omap_dss_register_drivers(void)
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{
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int r;
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int i;
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r = platform_driver_probe(&omap_dss_driver, omap_dss_probe);
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if (r)
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@ -536,56 +580,18 @@ static int __init omap_dss_register_drivers(void)
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goto err_dispc;
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}
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r = dpi_init_platform_driver();
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if (r) {
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DSSERR("Failed to initialize dpi platform driver\n");
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goto err_dpi;
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}
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r = sdi_init_platform_driver();
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if (r) {
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DSSERR("Failed to initialize sdi platform driver\n");
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goto err_sdi;
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}
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r = rfbi_init_platform_driver();
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if (r) {
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DSSERR("Failed to initialize rfbi platform driver\n");
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goto err_rfbi;
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}
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r = venc_init_platform_driver();
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if (r) {
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DSSERR("Failed to initialize venc platform driver\n");
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goto err_venc;
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}
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r = dsi_init_platform_driver();
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if (r) {
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DSSERR("Failed to initialize DSI platform driver\n");
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goto err_dsi;
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}
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r = hdmi_init_platform_driver();
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if (r) {
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DSSERR("Failed to initialize hdmi\n");
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goto err_hdmi;
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/*
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* It's ok if the output-driver register fails. It happens, for example,
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* when there is no output-device (e.g. SDI for OMAP4).
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*/
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for (i = 0; i < ARRAY_SIZE(dss_output_drv_reg_funcs); ++i) {
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r = dss_output_drv_reg_funcs[i]();
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if (r == 0)
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dss_output_drv_loaded[i] = true;
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}
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return 0;
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err_hdmi:
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dsi_uninit_platform_driver();
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err_dsi:
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venc_uninit_platform_driver();
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err_venc:
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rfbi_uninit_platform_driver();
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err_rfbi:
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sdi_uninit_platform_driver();
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err_sdi:
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dpi_uninit_platform_driver();
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err_dpi:
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dispc_uninit_platform_driver();
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err_dispc:
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dss_uninit_platform_driver();
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err_dss:
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@ -596,12 +602,13 @@ err_dss:
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static void __exit omap_dss_unregister_drivers(void)
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{
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hdmi_uninit_platform_driver();
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dsi_uninit_platform_driver();
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venc_uninit_platform_driver();
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rfbi_uninit_platform_driver();
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sdi_uninit_platform_driver();
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dpi_uninit_platform_driver();
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int i;
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for (i = 0; i < ARRAY_SIZE(dss_output_drv_unreg_funcs); ++i) {
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if (dss_output_drv_loaded[i])
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dss_output_drv_unreg_funcs[i]();
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}
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dispc_uninit_platform_driver();
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dss_uninit_platform_driver();
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@ -268,14 +268,9 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck,
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struct dispc_clock_info *dispc_cinfo);
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/* SDI */
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#ifdef CONFIG_OMAP2_DSS_SDI
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int sdi_init_platform_driver(void);
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void sdi_uninit_platform_driver(void);
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int sdi_init_display(struct omap_dss_device *display);
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#else
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static inline int sdi_init_platform_driver(void) { return 0; }
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static inline void sdi_uninit_platform_driver(void) { }
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#endif
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/* DSI */
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#ifdef CONFIG_OMAP2_DSS_DSI
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@ -312,13 +307,6 @@ void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev);
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void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev);
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struct platform_device *dsi_get_dsidev_from_id(int module);
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#else
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static inline int dsi_init_platform_driver(void)
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{
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return 0;
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}
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static inline void dsi_uninit_platform_driver(void)
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{
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}
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static inline int dsi_runtime_get(struct platform_device *dsidev)
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{
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return 0;
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@ -375,14 +363,9 @@ static inline struct platform_device *dsi_get_dsidev_from_id(int module)
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#endif
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/* DPI */
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#ifdef CONFIG_OMAP2_DSS_DPI
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int dpi_init_platform_driver(void);
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void dpi_uninit_platform_driver(void);
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int dpi_init_display(struct omap_dss_device *dssdev);
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#else
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static inline int dpi_init_platform_driver(void) { return 0; }
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static inline void dpi_uninit_platform_driver(void) { }
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#endif
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/* DISPC */
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int dispc_init_platform_driver(void);
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@ -459,13 +442,6 @@ void venc_dump_regs(struct seq_file *s);
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int venc_init_display(struct omap_dss_device *display);
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unsigned long venc_get_pixel_clock(void);
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#else
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static inline int venc_init_platform_driver(void)
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{
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return 0;
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}
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static inline void venc_uninit_platform_driver(void)
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{
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}
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static inline unsigned long venc_get_pixel_clock(void)
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{
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WARN("%s: VENC not compiled in, returning pclk as 0\n", __func__);
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@ -485,13 +461,6 @@ static inline int hdmi_init_display(struct omap_dss_device *dssdev)
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{
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return 0;
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}
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static inline int hdmi_init_platform_driver(void)
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{
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return 0;
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}
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static inline void hdmi_uninit_platform_driver(void)
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{
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}
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static inline unsigned long hdmi_get_pixel_clock(void)
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{
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WARN("%s: HDMI not compiled in, returning pclk as 0\n", __func__);
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@ -509,20 +478,10 @@ int hdmi_panel_init(void);
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void hdmi_panel_exit(void);
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/* RFBI */
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#ifdef CONFIG_OMAP2_DSS_RFBI
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int rfbi_init_platform_driver(void);
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void rfbi_uninit_platform_driver(void);
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void rfbi_dump_regs(struct seq_file *s);
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int rfbi_init_display(struct omap_dss_device *display);
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#else
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static inline int rfbi_init_platform_driver(void)
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{
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return 0;
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}
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static inline void rfbi_uninit_platform_driver(void)
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{
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}
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#endif
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#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
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