static void dss_clk_disable_all_no_ctx(void)
{
enum dss_clock clks;
clks = DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_FCK2 | DSS_CLK_54M;
if (cpu_is_omap34xx() || cpu_is_omap44xx())
clks |= DSS_CLK_96M;
dss_clk_disable_no_ctx(clks);
}
void dss_clk_disable(enum dss_clock clks)
{
if (cpu_is_omap34xx()) {
unsigned num_clks = count_clk_bits(clks);
BUG_ON(core.num_clks_enabled < num_clks);
}
dss_clk_disable_no_ctx(clks);
}
void dss_clk_disable(enum dss_clock clks)
{
if (cpu_is_omap34xx()) {
unsigned num_clks = count_clk_bits(clks);
//BUG_ON(core.num_clks_enabled < num_clks);
if (core.pdata && (core.num_clks_enabled == num_clks))
save_all_ctx();
}
dss_clk_disable_no_ctx(clks);
}
static void save_all_ctx(void)
{
DSSDBG("save context\n");
dss_clk_enable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK1);
dss_save_context();
dispc_save_context();
#ifdef CONFIG_OMAP2_DSS_DSI
dsi_save_context();
#endif
dss_clk_disable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK1);
}
static int omap_dss_suspend(struct platform_device *pdev, pm_message_t state)
{
int r;
DSSDBG("suspend %d\n", state.event);
r = dss_suspend_all_devices();
if (!r) {
/*
* FCLKs in CM_FCLKEN_DSS set to off
*/
dss_clk_disable_no_ctx(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M);
#if defined(CONFIG_MACH_SAMSUNG_NOWPLUS)
dss_set_mainclk_state(false);
#endif
}
omap_pm_set_min_bus_tput(&core.pdev->dev, OCP_INITIATOR_AGENT, -1);
return r;
}