static void tegra_dc_one_shot_worker(struct work_struct *work)
{
struct tegra_dc *dc = container_of(
to_delayed_work(work), struct tegra_dc, one_shot_work);
mutex_lock(&dc->lock);
/* memory client has gone idle */
tegra_dc_clear_bandwidth(dc);
if (dc->out_ops->idle)
dc->out_ops->idle(dc);
mutex_unlock(&dc->lock);
}
static void tegra_dc_one_shot_worker(struct work_struct *work)
{
struct tegra_dc *dc = container_of(
to_delayed_work(work), struct tegra_dc, one_shot_work);
mutex_lock(&dc->lock);
/* memory client has gone idle */
tegra_dc_clear_bandwidth(dc);
if (dc->out->flags & TEGRA_DC_OUT_ONE_SHOT_LP_MODE)
tegra_dc_host_suspend(dc);
mutex_unlock(&dc->lock);
}
static bool _tegra_dc_controller_enable(struct tegra_dc *dc)
{
int failed_init = 0;
if (dc->out->enable)
dc->out->enable();
tegra_dc_setup_clk(dc, dc->clk);
tegra_dc_clk_enable(dc);
/* do not accept interrupts during initialization */
tegra_dc_writel(dc, 0, DC_CMD_INT_MASK);
enable_dc_irq(dc->irq);
failed_init = tegra_dc_init(dc);
if (failed_init) {
tegra_dc_writel(dc, 0, DC_CMD_INT_MASK);
disable_irq(dc->irq);
tegra_dc_clear_bandwidth(dc);
tegra_dc_clk_disable(dc);
if (dc->out && dc->out->disable)
dc->out->disable();
return false;
}
if (dc->out_ops && dc->out_ops->enable)
dc->out_ops->enable(dc);
/* force a full blending update */
dc->blend.z[0] = -1;
tegra_dc_ext_enable(dc->ext);
trace_printk("%s:enable\n", dc->ndev->name);
tegra_dc_writel(dc, GENERAL_UPDATE, DC_CMD_STATE_CONTROL);
tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
if (dc->out->postpoweron)
dc->out->postpoweron();
return true;
}
static void _tegra_dc_controller_disable(struct tegra_dc *dc)
{
unsigned i;
if (dc->out && dc->out->prepoweroff)
dc->out->prepoweroff();
if (dc->out_ops && dc->out_ops->disable)
dc->out_ops->disable(dc);
tegra_dc_writel(dc, 0, DC_CMD_INT_MASK);
tegra_dc_writel(dc, 0, DC_CMD_INT_ENABLE);
disable_irq(dc->irq);
tegra_dc_clear_bandwidth(dc);
tegra_dc_clk_disable(dc);
if (dc->out && dc->out->disable)
dc->out->disable();
for (i = 0; i < dc->n_windows; i++) {
struct tegra_dc_win *w = &dc->windows[i];
/* reset window bandwidth */
w->bandwidth = 0;
w->new_bandwidth = 0;
/* disable windows */
w->flags &= ~TEGRA_WIN_FLAG_ENABLED;
/* flush any pending syncpt waits */
while (dc->syncpt[i].min < dc->syncpt[i].max) {
trace_printk("%s:syncpt flush id=%d\n", dc->ndev->name,
dc->syncpt[i].id);
dc->syncpt[i].min++;
nvhost_syncpt_cpu_incr_ext(dc->ndev, dc->syncpt[i].id);
}
}
trace_printk("%s:disabled\n", dc->ndev->name);
}
