static int rfbi_transfer_area(struct omap_dss_device *dssdev,
void (*callback)(void *data), void *data)
{
u32 l;
int r;
struct omap_overlay_manager *mgr = rfbi.output.manager;
u16 width = rfbi.timings.x_res;
u16 height = rfbi.timings.y_res;
/*BUG_ON(callback == 0);*/
BUG_ON(rfbi.framedone_callback != NULL);
DSSDBG("rfbi_transfer_area %dx%d\n", width, height);
dss_mgr_set_timings(mgr, &rfbi.timings);
r = dss_mgr_enable(mgr);
if (r)
return r;
rfbi.framedone_callback = callback;
rfbi.framedone_callback_data = data;
rfbi_write_reg(RFBI_PIXEL_CNT, width * height);
l = rfbi_read_reg(RFBI_CONTROL);
l = FLD_MOD(l, 1, 0, 0); /* enable */
if (!rfbi.te_enabled)
l = FLD_MOD(l, 1, 4, 4); /* ITE */
rfbi_write_reg(RFBI_CONTROL, l);
return 0;
}
static int rfbi_transfer_area(struct omap_dss_device *dssdev, u16 width,
u16 height, void (*callback)(void *data), void *data)
{
u32 l;
int r;
struct omap_video_timings timings = {
.hsw = 1,
.hfp = 1,
.hbp = 1,
.vsw = 1,
.vfp = 0,
.vbp = 0,
.x_res = width,
.y_res = height,
};
/*BUG_ON(callback == 0);*/
BUG_ON(rfbi.framedone_callback != NULL);
DSSDBG("rfbi_transfer_area %dx%d\n", width, height);
dss_mgr_set_timings(dssdev->manager, &timings);
r = dss_mgr_enable(dssdev->manager);
if (r)
return r;
rfbi.framedone_callback = callback;
rfbi.framedone_callback_data = data;
rfbi_write_reg(RFBI_PIXEL_CNT, width * height);
l = rfbi_read_reg(RFBI_CONTROL);
l = FLD_MOD(l, 1, 0, 0); /* enable */
if (!rfbi.te_enabled)
l = FLD_MOD(l, 1, 4, 4); /* ITE */
rfbi_write_reg(RFBI_CONTROL, l);
return 0;
}
static void framedone_callback(void *data, u32 mask)
{
void (*callback)(void *data);
DSSDBG("FRAMEDONE\n");
REG_FLD_MOD(RFBI_CONTROL, 0, 0, 0);
callback = rfbi.framedone_callback;
rfbi.framedone_callback = NULL;
if (callback != NULL)
callback(rfbi.framedone_callback_data);
}
static int hdmi_power_on_full(struct omap_dss_device *dssdev)
{
int r;
struct omap_video_timings *p;
struct omap_overlay_manager *mgr = hdmi.output.manager;
struct dss_pll_clock_info hdmi_cinfo = { 0 };
r = hdmi_power_on_core(dssdev);
if (r)
return r;
p = &hdmi.cfg.timings;
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);
/* disable and clear irqs */
hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
hdmi_wp_set_irqstatus(&hdmi.wp,
hdmi_wp_get_irqstatus(&hdmi.wp));
r = dss_pll_enable(&hdmi.pll.pll);
if (r) {
DSSERR("Failed to enable PLL\n");
goto err_pll_enable;
}
r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
if (r) {
DSSERR("Failed to configure PLL\n");
goto err_pll_cfg;
}
r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
hdmi_cinfo.clkout[0]);
if (r) {
DSSDBG("Failed to start PHY\n");
goto err_phy_cfg;
}
r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON);
if (r)
goto err_phy_pwr;
hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
/* tv size */
dss_mgr_set_timings(mgr, p);
r = hdmi_wp_video_start(&hdmi.wp);
if (r)
goto err_vid_enable;
r = dss_mgr_enable(mgr);
if (r)
goto err_mgr_enable;
hdmi_wp_set_irqenable(&hdmi.wp,
HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
return 0;
err_mgr_enable:
hdmi_wp_video_stop(&hdmi.wp);
err_vid_enable:
hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
err_phy_pwr:
err_phy_cfg:
err_pll_cfg:
dss_pll_disable(&hdmi.pll.pll);
err_pll_enable:
hdmi_power_off_core(dssdev);
return -EIO;
}
static int dpi_display_enable(struct omap_dss_device *dssdev)
{
struct omap_dss_device *out = &dpi.output;
int r;
mutex_lock(&dpi.lock);
if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi.vdds_dsi_reg) {
DSSERR("no VDSS_DSI regulator\n");
r = -ENODEV;
goto err_no_reg;
}
if (out == NULL || out->manager == NULL) {
DSSERR("failed to enable display: no output/manager\n");
r = -ENODEV;
goto err_no_out_mgr;
}
if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI)) {
r = regulator_enable(dpi.vdds_dsi_reg);
if (r)
goto err_reg_enable;
}
r = dispc_runtime_get();
if (r)
goto err_get_dispc;
r = dss_dpi_select_source(out->manager->id);
if (r)
goto err_src_sel;
if (dpi.dsidev) {
r = dsi_runtime_get(dpi.dsidev);
if (r)
goto err_get_dsi;
r = dsi_pll_init(dpi.dsidev, 0, 1);
if (r)
goto err_dsi_pll_init;
}
r = dpi_set_mode(out->manager);
if (r)
goto err_set_mode;
dpi_config_lcd_manager(out->manager);
mdelay(2);
r = dss_mgr_enable(out->manager);
if (r)
goto err_mgr_enable;
mutex_unlock(&dpi.lock);
return 0;
err_mgr_enable:
err_set_mode:
if (dpi.dsidev)
dsi_pll_uninit(dpi.dsidev, true);
err_dsi_pll_init:
if (dpi.dsidev)
dsi_runtime_put(dpi.dsidev);
err_get_dsi:
err_src_sel:
dispc_runtime_put();
err_get_dispc:
if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
regulator_disable(dpi.vdds_dsi_reg);
err_reg_enable:
err_no_out_mgr:
err_no_reg:
mutex_unlock(&dpi.lock);
return r;
}
int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
{
struct omap_video_timings *t = &dssdev->panel.timings;
struct dss_clock_info dss_cinfo;
struct dispc_clock_info dispc_cinfo;
u16 lck_div, pck_div;
unsigned long fck;
unsigned long pck;
int r;
if (dssdev->manager == NULL) {
DSSERR("failed to enable display: no manager\n");
return -ENODEV;
}
r = omap_dss_start_device(dssdev);
if (r) {
DSSERR("failed to start device\n");
goto err_start_dev;
}
r = regulator_enable(sdi.vdds_sdi_reg);
if (r)
goto err_reg_enable;
r = dss_runtime_get();
if (r)
goto err_get_dss;
r = dispc_runtime_get();
if (r)
goto err_get_dispc;
sdi_basic_init(dssdev);
/* */
dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;
dispc_mgr_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
dssdev->panel.acbi, dssdev->panel.acb);
r = dss_calc_clock_div(1, t->pixel_clock * 1000,
&dss_cinfo, &dispc_cinfo);
if (r)
goto err_calc_clock_div;
fck = dss_cinfo.fck;
lck_div = dispc_cinfo.lck_div;
pck_div = dispc_cinfo.pck_div;
pck = fck / lck_div / pck_div / 1000;
if (pck != t->pixel_clock) {
DSSWARN("Could not find exact pixel clock. Requested %d kHz, "
"got %lu kHz\n",
t->pixel_clock, pck);
t->pixel_clock = pck;
}
dispc_mgr_set_lcd_timings(dssdev->manager->id, t);
r = dss_set_clock_div(&dss_cinfo);
if (r)
goto err_set_dss_clock_div;
r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
if (r)
goto err_set_dispc_clock_div;
dss_sdi_init(dssdev->phy.sdi.datapairs);
r = dss_sdi_enable();
if (r)
goto err_sdi_enable;
mdelay(2);
r = dss_mgr_enable(dssdev->manager);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
dss_sdi_disable();
err_sdi_enable:
err_set_dispc_clock_div:
err_set_dss_clock_div:
err_calc_clock_div:
dispc_runtime_put();
err_get_dispc:
dss_runtime_put();
err_get_dss:
regulator_disable(sdi.vdds_sdi_reg);
err_reg_enable:
omap_dss_stop_device(dssdev);
err_start_dev:
return r;
}
static int sdi_display_enable(struct omap_dss_device *dssdev)
{
struct sdi_device *sdi = dssdev_to_sdi(dssdev);
struct videomode *vm = &sdi->vm;
unsigned long fck;
struct dispc_clock_info dispc_cinfo;
unsigned long pck;
int r;
if (!sdi->output.dispc_channel_connected) {
DSSERR("failed to enable display: no output/manager\n");
return -ENODEV;
}
r = regulator_enable(sdi->vdds_sdi_reg);
if (r)
goto err_reg_enable;
r = dispc_runtime_get(sdi->dss->dispc);
if (r)
goto err_get_dispc;
/* 15.5.9.1.2 */
vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE | DISPLAY_FLAGS_SYNC_POSEDGE;
r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo);
if (r)
goto err_calc_clock_div;
sdi->mgr_config.clock_info = dispc_cinfo;
pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div;
if (pck != vm->pixelclock) {
DSSWARN("Could not find exact pixel clock. Requested %lu Hz, got %lu Hz\n",
vm->pixelclock, pck);
vm->pixelclock = pck;
}
dss_mgr_set_timings(&sdi->output, vm);
r = dss_set_fck_rate(sdi->dss, fck);
if (r)
goto err_set_dss_clock_div;
sdi_config_lcd_manager(sdi);
/*
* LCLK and PCLK divisors are located in shadow registers, and we
* normally write them to DISPC registers when enabling the output.
* However, SDI uses pck-free as source clock for its PLL, and pck-free
* is affected by the divisors. And as we need the PLL before enabling
* the output, we need to write the divisors early.
*
* It seems just writing to the DISPC register is enough, and we don't
* need to care about the shadow register mechanism for pck-free. The
* exact reason for this is unknown.
*/
dispc_mgr_set_clock_div(sdi->dss->dispc, sdi->output.dispc_channel,
&sdi->mgr_config.clock_info);
dss_sdi_init(sdi->dss, sdi->datapairs);
r = dss_sdi_enable(sdi->dss);
if (r)
goto err_sdi_enable;
mdelay(2);
r = dss_mgr_enable(&sdi->output);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
dss_sdi_disable(sdi->dss);
err_sdi_enable:
err_set_dss_clock_div:
err_calc_clock_div:
dispc_runtime_put(sdi->dss->dispc);
err_get_dispc:
regulator_disable(sdi->vdds_sdi_reg);
err_reg_enable:
return r;
}
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
int r;
if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
DSSERR("no VDSS_DSI regulator\n");
return -ENODEV;
}
if (dssdev->manager == NULL) {
DSSERR("failed to enable display: no manager\n");
return -ENODEV;
}
r = omap_dss_start_device(dssdev);
if (r) {
DSSERR("failed to start device\n");
goto err_start_dev;
}
if (cpu_is_omap34xx()) {
r = regulator_enable(dpi.vdds_dsi_reg);
if (r)
goto err_reg_enable;
}
r = dispc_runtime_get();
if (r)
goto err_get_dispc;
dpi_basic_init(dssdev);
if (dpi_use_dsi_pll(dssdev)) {
r = dsi_runtime_get(dpi.dsidev);
if (r)
goto err_get_dsi;
r = dsi_pll_init(dpi.dsidev, 0, 1);
if (r)
goto err_dsi_pll_init;
}
r = dpi_set_mode(dssdev);
if (r)
goto err_set_mode;
mdelay(2);
r = dss_mgr_enable(dssdev->manager);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
err_set_mode:
if (dpi_use_dsi_pll(dssdev))
dsi_pll_uninit(dpi.dsidev, true);
err_dsi_pll_init:
if (dpi_use_dsi_pll(dssdev))
dsi_runtime_put(dpi.dsidev);
err_get_dsi:
dispc_runtime_put();
err_get_dispc:
if (cpu_is_omap34xx())
regulator_disable(dpi.vdds_dsi_reg);
err_reg_enable:
omap_dss_stop_device(dssdev);
err_start_dev:
return r;
}
static void dispc_error_worker(struct work_struct *work)
{
int i;
u32 errors;
unsigned long flags;
static const unsigned fifo_underflow_bits[] = {
DISPC_IRQ_GFX_FIFO_UNDERFLOW,
DISPC_IRQ_VID1_FIFO_UNDERFLOW,
DISPC_IRQ_VID2_FIFO_UNDERFLOW,
DISPC_IRQ_VID3_FIFO_UNDERFLOW,
};
spin_lock_irqsave(&dispc_compat.irq_lock, flags);
errors = dispc_compat.error_irqs;
dispc_compat.error_irqs = 0;
spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
dispc_runtime_get();
for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
struct omap_overlay *ovl;
unsigned bit;
ovl = omap_dss_get_overlay(i);
bit = fifo_underflow_bits[i];
if (bit & errors) {
DSSERR("FIFO UNDERFLOW on %s, disabling the overlay\n",
ovl->name);
dispc_ovl_enable(ovl->id, false);
dispc_mgr_go(ovl->manager->id);
msleep(50);
}
}
for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
struct omap_overlay_manager *mgr;
unsigned bit;
mgr = omap_dss_get_overlay_manager(i);
bit = dispc_mgr_get_sync_lost_irq(i);
if (bit & errors) {
int j;
DSSERR("SYNC_LOST on channel %s, restarting the output "
"with video overlays disabled\n",
mgr->name);
dss_mgr_disable(mgr);
for (j = 0; j < omap_dss_get_num_overlays(); ++j) {
struct omap_overlay *ovl;
ovl = omap_dss_get_overlay(j);
if (ovl->id != OMAP_DSS_GFX &&
ovl->manager == mgr)
ovl->disable(ovl);
}
dss_mgr_enable(mgr);
}
}
if (errors & DISPC_IRQ_OCP_ERR) {
DSSERR("OCP_ERR\n");
for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
struct omap_overlay_manager *mgr;
mgr = omap_dss_get_overlay_manager(i);
dss_mgr_disable(mgr);
}
}
spin_lock_irqsave(&dispc_compat.irq_lock, flags);
dispc_compat.irq_error_mask |= errors;
_omap_dispc_set_irqs();
spin_unlock_irqrestore(&dispc_compat.irq_lock, flags);
dispc_runtime_put();
}
static int sdi_display_enable(struct omap_dss_device *dssdev)
{
struct omap_dss_device *out = &sdi.output;
struct omap_video_timings *t = &sdi.timings;
unsigned long fck;
struct dispc_clock_info dispc_cinfo;
unsigned long pck;
int r;
if (out == NULL || out->manager == NULL) {
DSSERR("failed to enable display: no output/manager\n");
return -ENODEV;
}
r = regulator_enable(sdi.vdds_sdi_reg);
if (r)
goto err_reg_enable;
r = dispc_runtime_get();
if (r)
goto err_get_dispc;
/* 15.5.9.1.2 */
t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
r = sdi_calc_clock_div(t->pixel_clock * 1000, &fck, &dispc_cinfo);
if (r)
goto err_calc_clock_div;
sdi.mgr_config.clock_info = dispc_cinfo;
pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div / 1000;
if (pck != t->pixel_clock) {
DSSWARN("Could not find exact pixel clock. Requested %d kHz, "
"got %lu kHz\n",
t->pixel_clock, pck);
t->pixel_clock = pck;
}
dss_mgr_set_timings(out->manager, t);
r = dss_set_fck_rate(fck);
if (r)
goto err_set_dss_clock_div;
sdi_config_lcd_manager(dssdev);
/*
* LCLK and PCLK divisors are located in shadow registers, and we
* normally write them to DISPC registers when enabling the output.
* However, SDI uses pck-free as source clock for its PLL, and pck-free
* is affected by the divisors. And as we need the PLL before enabling
* the output, we need to write the divisors early.
*
* It seems just writing to the DISPC register is enough, and we don't
* need to care about the shadow register mechanism for pck-free. The
* exact reason for this is unknown.
*/
dispc_mgr_set_clock_div(out->manager->id, &sdi.mgr_config.clock_info);
dss_sdi_init(sdi.datapairs);
r = dss_sdi_enable();
if (r)
goto err_sdi_enable;
mdelay(2);
r = dss_mgr_enable(out->manager);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
dss_sdi_disable();
err_sdi_enable:
err_set_dss_clock_div:
err_calc_clock_div:
dispc_runtime_put();
err_get_dispc:
regulator_disable(sdi.vdds_sdi_reg);
err_reg_enable:
return r;
}
static int hdmi_power_on_full(struct omap_dss_device *dssdev)
{
int r;
struct omap_video_timings *p;
struct omap_overlay_manager *mgr = dssdev->output->manager;
unsigned long phy;
r = hdmi_power_on_core(dssdev);
if (r)
return r;
dss_mgr_disable(mgr);
p = &hdmi.ip_data.cfg.timings;
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
phy = p->pixel_clock;
hdmi_compute_pll(dssdev, phy, &hdmi.ip_data.pll_data);
hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
/* config the PLL and PHY hdmi_set_pll_pwrfirst */
r = hdmi.ip_data.ops->pll_enable(&hdmi.ip_data);
if (r) {
DSSDBG("Failed to lock PLL\n");
goto err_pll_enable;
}
r = hdmi.ip_data.ops->phy_enable(&hdmi.ip_data);
if (r) {
DSSDBG("Failed to start PHY\n");
goto err_phy_enable;
}
hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
/* tv size */
dss_mgr_set_timings(mgr, p);
r = hdmi.ip_data.ops->video_enable(&hdmi.ip_data);
if (r)
goto err_vid_enable;
r = dss_mgr_enable(mgr);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
err_vid_enable:
hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
err_phy_enable:
hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
err_pll_enable:
hdmi_power_off_core(dssdev);
return -EIO;
}
static int hdmi_power_on(struct omap_dss_device *dssdev)
{
int r, code = 0;
struct omap_video_timings *p;
unsigned long phy;
r = hdmi_runtime_get();
if (r)
return r;
dss_mgr_disable(dssdev->manager);
p = &dssdev->panel.timings;
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n",
dssdev->panel.timings.x_res,
dssdev->panel.timings.y_res);
code = get_timings_index();
update_hdmi_timings(&hdmi.ip_data.cfg, p, code);
phy = p->pixel_clock;
hdmi_compute_pll(dssdev, phy, &hdmi.ip_data.pll_data);
hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 0);
/* config the PLL and PHY hdmi_set_pll_pwrfirst */
r = hdmi.ip_data.ops->pll_enable(&hdmi.ip_data);
if (r) {
DSSDBG("Failed to lock PLL\n");
goto err;
}
r = hdmi.ip_data.ops->phy_enable(&hdmi.ip_data);
if (r) {
DSSDBG("Failed to start PHY\n");
goto err;
}
hdmi.ip_data.cfg.cm.mode = hdmi.mode;
hdmi.ip_data.cfg.cm.code = hdmi.code;
hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
/* Make selection of HDMI in DSS */
dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
/* Select the dispc clock source as PRCM clock, to ensure that it is not
* DSI PLL source as the clock selected by DSI PLL might not be
* sufficient for the resolution selected / that can be changed
* dynamically by user. This can be moved to single location , say
* Boardfile.
*/
dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
/* tv size */
dispc_set_digit_size(dssdev->panel.timings.x_res,
dssdev->panel.timings.y_res);
hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 1);
r = dss_mgr_enable(dssdev->manager);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
hdmi.ip_data.ops->video_enable(&hdmi.ip_data, 0);
hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
err:
hdmi_runtime_put();
return -EIO;
}
static int hdmi_power_on(struct omap_dss_device *dssdev)
{
int r;
struct omap_video_timings *p;
struct omap_overlay_manager *mgr = dssdev->output->manager;
unsigned long phy;
gpio_set_value(hdmi.ct_cp_hpd_gpio, 1);
gpio_set_value(hdmi.ls_oe_gpio, 1);
/* wait 300us after CT_CP_HPD for the 5V power output to reach 90% */
udelay(300);
r = regulator_enable(hdmi.vdda_hdmi_dac_reg);
if (r)
goto err_vdac_enable;
r = hdmi_runtime_get();
if (r)
goto err_runtime_get;
dss_mgr_disable(mgr);
p = &hdmi.ip_data.cfg.timings;
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
phy = p->pixel_clock;
hdmi_compute_pll(dssdev, phy, &hdmi.ip_data.pll_data);
hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
/* config the PLL and PHY hdmi_set_pll_pwrfirst */
r = hdmi.ip_data.ops->pll_enable(&hdmi.ip_data);
if (r) {
DSSDBG("Failed to lock PLL\n");
goto err_pll_enable;
}
r = hdmi.ip_data.ops->phy_enable(&hdmi.ip_data);
if (r) {
DSSDBG("Failed to start PHY\n");
goto err_phy_enable;
}
hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
/* Make selection of HDMI in DSS */
dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
/* Select the dispc clock source as PRCM clock, to ensure that it is not
* DSI PLL source as the clock selected by DSI PLL might not be
* sufficient for the resolution selected / that can be changed
* dynamically by user. This can be moved to single location , say
* Boardfile.
*/
dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
/* tv size */
dss_mgr_set_timings(mgr, p);
r = hdmi.ip_data.ops->video_enable(&hdmi.ip_data);
if (r)
goto err_vid_enable;
r = dss_mgr_enable(mgr);
if (r)
goto err_mgr_enable;
return 0;
err_mgr_enable:
hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
err_vid_enable:
hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
err_phy_enable:
hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
err_pll_enable:
hdmi_runtime_put();
err_runtime_get:
regulator_disable(hdmi.vdda_hdmi_dac_reg);
err_vdac_enable:
gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
gpio_set_value(hdmi.ls_oe_gpio, 0);
return -EIO;
}
static int hdmi_power_on_full(struct omap_dss_device *dssdev)
{
int r;
struct omap_video_timings *p;
enum omap_channel channel = dssdev->dispc_channel;
struct hdmi_wp_data *wp = &hdmi.wp;
struct dss_pll_clock_info hdmi_cinfo = { 0 };
unsigned pc;
r = hdmi_power_on_core(dssdev);
if (r)
return r;
/* disable and clear irqs */
hdmi_wp_clear_irqenable(wp, 0xffffffff);
hdmi_wp_set_irqstatus(wp, 0xffffffff);
p = &hdmi.cfg.timings;
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
pc = p->pixelclock;
if (p->double_pixel)
pc *= 2;
hdmi_pll_compute(&hdmi.pll, pc, &hdmi_cinfo);
r = dss_pll_enable(&hdmi.pll.pll);
if (r) {
DSSERR("Failed to enable PLL\n");
goto err_pll_enable;
}
r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
if (r) {
DSSERR("Failed to configure PLL\n");
goto err_pll_cfg;
}
r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
hdmi_cinfo.clkout[0]);
if (r) {
DSSDBG("Failed to configure PHY\n");
goto err_phy_cfg;
}
r = hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
if (r)
goto err_phy_pwr;
hdmi4_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
/* tv size */
dss_mgr_set_timings(channel, p);
r = dss_mgr_enable(channel);
if (r)
goto err_mgr_enable;
r = hdmi_wp_video_start(&hdmi.wp);
if (r)
goto err_vid_enable;
hdmi_wp_set_irqenable(wp,
HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
return 0;
err_vid_enable:
dss_mgr_disable(channel);
err_mgr_enable:
hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
err_phy_pwr:
err_phy_cfg:
err_pll_cfg:
dss_pll_disable(&hdmi.pll.pll);
err_pll_enable:
hdmi_power_off_core(dssdev);
return -EIO;
}
static int hdmi_power_on_full(struct omap_dss_device *dssdev)
{
int r;
struct omap_video_timings *p;
struct omap_overlay_manager *mgr = hdmi.output.manager;
struct dss_pll_clock_info hdmi_cinfo = { 0 };
r = hdmi_power_on_core(dssdev);
if (r)
return r;
p = &hdmi.cfg.timings;
DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
hdmi_pll_compute(&hdmi.pll, p->pixelclock, &hdmi_cinfo);
/* disable and clear irqs */
hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
hdmi_wp_set_irqstatus(&hdmi.wp,
hdmi_wp_get_irqstatus(&hdmi.wp));
r = dss_pll_enable(&hdmi.pll.pll);
if (r) {
DSSERR("Failed to enable PLL\n");
goto err_pll_enable;
}
r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
if (r) {
DSSERR("Failed to configure PLL\n");
goto err_pll_cfg;
}
r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
hdmi_cinfo.clkout[0]);
if (r) {
DSSDBG("Failed to start PHY\n");
goto err_phy_cfg;
}
r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON);
if (r)
goto err_phy_pwr;
hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
/* bypass TV gamma table */
dispc_enable_gamma_table(0);
/* tv size */
dss_mgr_set_timings(mgr, p);
r = hdmi_wp_video_start(&hdmi.wp);
if (r)
goto err_vid_enable;
/*
* XXX Seems that on we easily get a flood of sync-lost errors when
* enabling the output. This seems to be related to the time between
* HDMI VSYNC and enabling the DISPC output.
*
* Testing shows that the sync-lost errors do not happen if we enable
* the DISPC output very soon after HDMI VBLANK. So wait here for
* VBLANK to reduce the chances of sync-losts.
*/
hdmi_write_reg(hdmi.wp.base, HDMI_WP_IRQSTATUS, HDMI_IRQ_VIDEO_VSYNC);
while (true) {
u32 v = hdmi_read_reg(hdmi.wp.base, HDMI_WP_IRQSTATUS_RAW);
if (v & HDMI_IRQ_VIDEO_VSYNC)
break;
usleep_range(500, 1000);
}
r = dss_mgr_enable(mgr);
if (r)
goto err_mgr_enable;
hdmi_wp_set_irqenable(&hdmi.wp,
HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
return 0;
err_mgr_enable:
hdmi_wp_video_stop(&hdmi.wp);
err_vid_enable:
hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
err_phy_pwr:
err_phy_cfg:
err_pll_cfg:
dss_pll_disable(&hdmi.pll.pll);
err_pll_enable:
hdmi_power_off_core(dssdev);
return -EIO;
}
