/* CLOCKS */
static void core_dump_clocks(struct seq_file *s)
{
int i;
struct clk *clocks[5] = {
core.dss_ick,
core.dss1_fck,
core.dss2_fck,
core.dss_54m_fck,
core.dss_96m_fck
};
seq_printf(s, "- CORE -\n");
seq_printf(s, "internal clk count\t\t%u\n", core.num_clks_enabled);
seq_printf(s, "mainclk count\t\t%u\n", dss_get_mainclk_state());
for (i = 0; i < 5; i++) {
if (!clocks[i])
continue;
seq_printf(s, "%-15s\t%lu\t%d\n",
clocks[i]->name,
clk_get_rate(clocks[i]),
clocks[i]->usecount);
}
}
static int omap_dss_set_manager(struct omap_overlay *ovl,
struct omap_overlay_manager *mgr)
{
if (!mgr)
return -EINVAL;
if (ovl->manager) {
DSSERR("overlay '%s' already has a manager '%s'\n",
ovl->name, ovl->manager->name);
return -EINVAL;
}
if (ovl->info.enabled) {
DSSERR("overlay has to be disabled to change the manager\n");
return -EINVAL;
}
ovl->manager = mgr;
/* do not set channel out if DSS is off */
if (!dss_get_mainclk_state()) {
DSSERR("DSS clock not active, setting ovl manager failed\n");
return -EIO;
}
dispc_set_channel_out(ovl->id, mgr->id);
return 0;
}
static void dss_debug_dump_clocks(struct seq_file *s)
{
core_dump_clocks(s);
if (dss_get_mainclk_state()) {
dss_dump_clocks(s);
dispc_dump_clocks(s);
}
#ifdef CONFIG_OMAP2_DSS_DSI
#endif
}
static int omap_dss_set_manager(struct omap_overlay *ovl,
struct omap_overlay_manager *mgr)
{
if (!mgr)
return -EINVAL;
if (ovl->manager) {
dump_stack();
DSSERR("overlay '%s' already has a manager '%s'\n",
ovl->name, ovl->manager->name);
return -EINVAL;
}
if (ovl->info.enabled) {
DSSERR("overlay has to be disabled to change the manager\n");
return -EINVAL;
}
ovl->manager = mgr;
/* do not set channel out if DSS is off */
if (!dss_get_mainclk_state())
return 0;
dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
/* XXX: on manual update display, in auto update mode, a bug happens
* here. When an overlay is first enabled on LCD, then it's disabled,
* and the manager is changed to TV, we sometimes get SYNC_LOST_DIGIT
* errors. Waiting before changing the channel_out fixes it. I'm
* guessing that the overlay is still somehow being used for the LCD,
* but I don't understand how or why. */
msleep(40);
dispc_set_channel_out(ovl->id, mgr->id);
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
return 0;
}
static int omap4_mpu_set_rate(struct device *dev, unsigned long rate)
{
#ifdef CONFIG_OMAP4_KEEP_STATIC_DEPENDENCIES
int ret;
ret = clk_set_rate(dpll_mpu_clk, rate);
if (ret) {
dev_warn(dev, "%s: Unable to set rate to %ld\n",
__func__, rate);
return ret;
}
return 0;
#else
#if 0
int ret = 0;
unsigned long irqflags = 0;
u32 reg =OMAP4430_MEMIF_STATDEP_MASK;
//printk("func=%s, rate =%ld, name=%s\n", __func__, rate, dev->driver->name);
// rate 300M , LCD off
//if (rate == 300000000 && cosmo_panel_suspend_flag ==1)
if (dss_get_mainclk_state() == 0)
{
ret = clk_set_rate(dpll_mpu_clk, rate);
if (ret) {
dev_warn(dev, "%s: Unable to set rate to %ld\n",
__func__, rate);
return ret;
}
if(old_mpu_rate != rate)
{
spin_lock_irqsave(&mpu_lock, irqflags);
cm_rmw_mod_reg_bitsEx(reg, 0, OMAP4430_PRM_MPU_MOD, OMAP4_CM_MPU_STATICDEP_OFFSET);
spin_unlock_irqrestore(&mpu_lock, irqflags);
}
old_mpu_rate= rate;
}
else
{
if(old_mpu_rate != rate)
{
spin_lock_irqsave(&mpu_lock, irqflags);
cm_rmw_mod_reg_bitsEx(reg, 1, OMAP4430_PRM_MPU_MOD, OMAP4_CM_MPU_STATICDEP_OFFSET);
spin_unlock_irqrestore(&mpu_lock, irqflags);
}
ret = clk_set_rate(dpll_mpu_clk, rate);
if (ret) {
dev_warn(dev, "%s: Unable to set rate to %ld\n",
__func__, rate);
return ret;
}
old_mpu_rate= rate;
}
#else
int ret;
ret = clk_set_rate(dpll_mpu_clk, rate);
if (ret) {
dev_warn(dev, "%s: Unable to set rate to %ld\n",
__func__, rate);
return ret;
}
#endif
return 0;
#endif
}