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OMAPDSS: Merge omapdss topic branches

This commit is contained in:
Tomi Valkeinen 2013-04-15 11:57:18 +03:00
parent 77ec05d06f 6717cd2937 b2c9c8ee7c
commit 3d62fe5b21
26 changed files with 1606 additions and 1247 deletions
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27
drivers/gpu/drm/omapdrm/omap_connector.c
View File

@ -110,6 +110,11 @@ static enum drm_connector_status omap_connector_detect(
ret = connector_status_connected;
else
ret = connector_status_disconnected;
} else if (dssdev->type == OMAP_DISPLAY_TYPE_DPI ||
dssdev->type == OMAP_DISPLAY_TYPE_DBI ||
dssdev->type == OMAP_DISPLAY_TYPE_SDI ||
dssdev->type == OMAP_DISPLAY_TYPE_DSI) {
ret = connector_status_connected;
} else {
ret = connector_status_unknown;
}
@ -189,12 +194,30 @@ static int omap_connector_mode_valid(struct drm_connector *connector,
struct omap_video_timings timings = {0};
struct drm_device *dev = connector->dev;
struct drm_display_mode *new_mode;
int ret = MODE_BAD;
int r, ret = MODE_BAD;
copy_timings_drm_to_omap(&timings, mode);
mode->vrefresh = drm_mode_vrefresh(mode);
if (!dssdrv->check_timings(dssdev, &timings)) {
/*
* if the panel driver doesn't have a check_timings, it's most likely
* a fixed resolution panel, check if the timings match with the
* panel's timings
*/
if (dssdrv->check_timings) {
r = dssdrv->check_timings(dssdev, &timings);
} else {
struct omap_video_timings t = {0};
dssdrv->get_timings(dssdev, &t);
if (memcmp(&timings, &t, sizeof(struct omap_video_timings)))
r = -EINVAL;
else
r = 0;
}
if (!r) {
/* check if vrefresh is still valid */
new_mode = drm_mode_duplicate(dev, mode);
new_mode->clock = timings.pixel_clock;

21
drivers/gpu/drm/omapdrm/omap_crtc.c
View File

@ -74,6 +74,13 @@ struct omap_crtc {
struct work_struct page_flip_work;
};
uint32_t pipe2vbl(struct drm_crtc *crtc)
{
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
return dispc_mgr_get_vsync_irq(omap_crtc->channel);
}
/*
* Manager-ops, callbacks from output when they need to configure
* the upstream part of the video pipe.
@ -613,7 +620,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
omap_crtc->apply.pre_apply = omap_crtc_pre_apply;
omap_crtc->apply.post_apply = omap_crtc_post_apply;
omap_crtc->apply_irq.irqmask = pipe2vbl(id);
omap_crtc->channel = channel;
omap_crtc->plane = plane;
omap_crtc->plane->crtc = crtc;
omap_crtc->name = channel_names[channel];
omap_crtc->pipe = id;
omap_crtc->apply_irq.irqmask = pipe2vbl(crtc);
omap_crtc->apply_irq.irq = omap_crtc_apply_irq;
omap_crtc->error_irq.irqmask =
@ -621,12 +634,6 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
omap_crtc->error_irq.irq = omap_crtc_error_irq;
omap_irq_register(dev, &omap_crtc->error_irq);
omap_crtc->channel = channel;
omap_crtc->plane = plane;
omap_crtc->plane->crtc = crtc;
omap_crtc->name = channel_names[channel];
omap_crtc->pipe = id;
/* temporary: */
omap_crtc->mgr.id = channel;

165
drivers/gpu/drm/omapdrm/omap_drv.c
View File

@ -74,54 +74,53 @@ static int get_connector_type(struct omap_dss_device *dssdev)
}
}
static bool channel_used(struct drm_device *dev, enum omap_channel channel)
{
struct omap_drm_private *priv = dev->dev_private;
int i;
for (i = 0; i < priv->num_crtcs; i++) {
struct drm_crtc *crtc = priv->crtcs[i];
if (omap_crtc_channel(crtc) == channel)
return true;
}
return false;
}
static int omap_modeset_init(struct drm_device *dev)
{
struct omap_drm_private *priv = dev->dev_private;
struct omap_dss_device *dssdev = NULL;
int num_ovls = dss_feat_get_num_ovls();
int id;
int num_mgrs = dss_feat_get_num_mgrs();
int num_crtcs;
int i, id = 0;
drm_mode_config_init(dev);
omap_drm_irq_install(dev);
/*
* Create private planes and CRTCs for the last NUM_CRTCs overlay
* plus manager:
* We usually don't want to create a CRTC for each manager, at least
* not until we have a way to expose private planes to userspace.
* Otherwise there would not be enough video pipes left for drm planes.
* We use the num_crtc argument to limit the number of crtcs we create.
*/
for (id = 0; id < min(num_crtc, num_ovls); id++) {
struct drm_plane *plane;
struct drm_crtc *crtc;
num_crtcs = min3(num_crtc, num_mgrs, num_ovls);
plane = omap_plane_init(dev, id, true);
crtc = omap_crtc_init(dev, plane, pipe2chan(id), id);
BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs));
priv->crtcs[id] = crtc;
priv->num_crtcs++;
priv->planes[id] = plane;
priv->num_planes++;
}
/*
* Create normal planes for the remaining overlays:
*/
for (; id < num_ovls; id++) {
struct drm_plane *plane = omap_plane_init(dev, id, false);
BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
priv->planes[priv->num_planes++] = plane;
}
dssdev = NULL;
for_each_dss_dev(dssdev) {
struct drm_connector *connector;
struct drm_encoder *encoder;
enum omap_channel channel;
if (!dssdev->driver) {
dev_warn(dev->dev, "%s has no driver.. skipping it\n",
dssdev->name);
return 0;
continue;
}
if (!(dssdev->driver->get_timings ||
@ -129,7 +128,7 @@ static int omap_modeset_init(struct drm_device *dev)
dev_warn(dev->dev, "%s driver does not support "
"get_timings or read_edid.. skipping it!\n",
dssdev->name);
return 0;
continue;
}
encoder = omap_encoder_init(dev, dssdev);
@ -157,16 +156,118 @@ static int omap_modeset_init(struct drm_device *dev)
drm_mode_connector_attach_encoder(connector, encoder);
/*
* if we have reached the limit of the crtcs we are allowed to
* create, let's not try to look for a crtc for this
* panel/encoder and onwards, we will, of course, populate the
* the possible_crtcs field for all the encoders with the final
* set of crtcs we create
*/
if (id == num_crtcs)
continue;
/*
* get the recommended DISPC channel for this encoder. For now,
* we only try to get create a crtc out of the recommended, the
* other possible channels to which the encoder can connect are
* not considered.
*/
channel = dssdev->output->dispc_channel;
/*
* if this channel hasn't already been taken by a previously
* allocated crtc, we create a new crtc for it
*/
if (!channel_used(dev, channel)) {
struct drm_plane *plane;
struct drm_crtc *crtc;
plane = omap_plane_init(dev, id, true);
crtc = omap_crtc_init(dev, plane, channel, id);
BUG_ON(priv->num_crtcs >= ARRAY_SIZE(priv->crtcs));
priv->crtcs[id] = crtc;
priv->num_crtcs++;
priv->planes[id] = plane;
priv->num_planes++;
id++;
}
}
/*
* we have allocated crtcs according to the need of the panels/encoders,
* adding more crtcs here if needed
*/
for (; id < num_crtcs; id++) {
/* find a free manager for this crtc */
for (i = 0; i < num_mgrs; i++) {
if (!channel_used(dev, i)) {
struct drm_plane *plane;
struct drm_crtc *crtc;
plane = omap_plane_init(dev, id, true);
crtc = omap_crtc_init(dev, plane, i, id);
BUG_ON(priv->num_crtcs >=
ARRAY_SIZE(priv->crtcs));
priv->crtcs[id] = crtc;
priv->num_crtcs++;
priv->planes[id] = plane;
priv->num_planes++;
break;
} else {
continue;
}
}
if (i == num_mgrs) {
/* this shouldn't really happen */
dev_err(dev->dev, "no managers left for crtc\n");
return -ENOMEM;
}
}
/*
* Create normal planes for the remaining overlays:
*/
for (; id < num_ovls; id++) {
struct drm_plane *plane = omap_plane_init(dev, id, false);
BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
priv->planes[priv->num_planes++] = plane;
}
for (i = 0; i < priv->num_encoders; i++) {
struct drm_encoder *encoder = priv->encoders[i];
struct omap_dss_device *dssdev =
omap_encoder_get_dssdev(encoder);
/* figure out which crtc's we can connect the encoder to: */
encoder->possible_crtcs = 0;
for (id = 0; id < priv->num_crtcs; id++) {
enum omap_dss_output_id supported_outputs =
dss_feat_get_supported_outputs(pipe2chan(id));
struct drm_crtc *crtc = priv->crtcs[id];
enum omap_channel crtc_channel;
enum omap_dss_output_id supported_outputs;
crtc_channel = omap_crtc_channel(crtc);
supported_outputs =
dss_feat_get_supported_outputs(crtc_channel);
if (supported_outputs & dssdev->output->id)
encoder->possible_crtcs |= (1 << id);
}
}
DBG("registered %d planes, %d crtcs, %d encoders and %d connectors\n",
priv->num_planes, priv->num_crtcs, priv->num_encoders,
priv->num_connectors);
dev->mode_config.min_width = 32;
dev->mode_config.min_height = 32;
@ -303,7 +404,7 @@ static int ioctl_gem_info(struct drm_device *dev, void *data,
return ret;
}
struct drm_ioctl_desc ioctls[DRM_COMMAND_END - DRM_COMMAND_BASE] = {
static struct drm_ioctl_desc ioctls[DRM_COMMAND_END - DRM_COMMAND_BASE] = {
DRM_IOCTL_DEF_DRV(OMAP_GET_PARAM, ioctl_get_param, DRM_UNLOCKED|DRM_AUTH),
DRM_IOCTL_DEF_DRV(OMAP_SET_PARAM, ioctl_set_param, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(OMAP_GEM_NEW, ioctl_gem_new, DRM_UNLOCKED|DRM_AUTH),
@ -567,7 +668,7 @@ static const struct dev_pm_ops omapdrm_pm_ops = {
};
#endif
struct platform_driver pdev = {
static struct platform_driver pdev = {
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,

38
drivers/gpu/drm/omapdrm/omap_drv.h
View File

@ -139,8 +139,8 @@ void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
int omap_gem_resume(struct device *dev);
#endif
int omap_irq_enable_vblank(struct drm_device *dev, int crtc);
void omap_irq_disable_vblank(struct drm_device *dev, int crtc);
int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id);
void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id);
irqreturn_t omap_irq_handler(DRM_IRQ_ARGS);
void omap_irq_preinstall(struct drm_device *dev);
int omap_irq_postinstall(struct drm_device *dev);
@ -271,39 +271,9 @@ static inline int align_pitch(int pitch, int width, int bpp)
return ALIGN(pitch, 8 * bytespp);
}
static inline enum omap_channel pipe2chan(int pipe)
{
int num_mgrs = dss_feat_get_num_mgrs();
/*
* We usually don't want to create a CRTC for each manager,
* at least not until we have a way to expose private planes
* to userspace. Otherwise there would not be enough video
* pipes left for drm planes. The higher #'d managers tend
* to have more features so start in reverse order.
*/
return num_mgrs - pipe - 1;
}
/* map crtc to vblank mask */
static inline uint32_t pipe2vbl(int crtc)
{
enum omap_channel channel = pipe2chan(crtc);
return dispc_mgr_get_vsync_irq(channel);
}
static inline int crtc2pipe(struct drm_device *dev, struct drm_crtc *crtc)
{
struct omap_drm_private *priv = dev->dev_private;
int i;
for (i = 0; i < ARRAY_SIZE(priv->crtcs); i++)
if (priv->crtcs[i] == crtc)
return i;
BUG(); /* bogus CRTC ptr */
return -1;
}
uint32_t pipe2vbl(struct drm_crtc *crtc);
struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
/* should these be made into common util helpers?
*/

24
drivers/gpu/drm/omapdrm/omap_encoder.c
View File

@ -41,6 +41,13 @@ struct omap_encoder {
struct omap_dss_device *dssdev;
};
struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder)
{
struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
return omap_encoder->dssdev;
}
static void omap_encoder_destroy(struct drm_encoder *encoder)
{
struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
@ -128,13 +135,26 @@ int omap_encoder_update(struct drm_encoder *encoder,
dssdev->output->manager = mgr;
ret = dssdrv->check_timings(dssdev, timings);
if (dssdrv->check_timings) {
ret = dssdrv->check_timings(dssdev, timings);
} else {
struct omap_video_timings t = {0};
dssdrv->get_timings(dssdev, &t);
if (memcmp(timings, &t, sizeof(struct omap_video_timings)))
ret = -EINVAL;
else
ret = 0;
}
if (ret) {
dev_err(dev->dev, "could not set timings: %d\n", ret);
return ret;
}
dssdrv->set_timings(dssdev, timings);
if (dssdrv->set_timings)
dssdrv->set_timings(dssdev, timings);
return 0;
}

2
drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c
View File

@ -178,7 +178,7 @@ out_unlock:
return omap_gem_mmap_obj(obj, vma);
}
struct dma_buf_ops omap_dmabuf_ops = {
static struct dma_buf_ops omap_dmabuf_ops = {
.map_dma_buf = omap_gem_map_dma_buf,
.unmap_dma_buf = omap_gem_unmap_dma_buf,
.release = omap_gem_dmabuf_release,

17
drivers/gpu/drm/omapdrm/omap_irq.c
View File

@ -130,12 +130,13 @@ int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
* Zero on success, appropriate errno if the given @crtc's vblank
* interrupt cannot be enabled.
*/
int omap_irq_enable_vblank(struct drm_device *dev, int crtc)
int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id)
{
struct omap_drm_private *priv = dev->dev_private;
struct drm_crtc *crtc = priv->crtcs[crtc_id];
unsigned long flags;
DBG("dev=%p, crtc=%d", dev, crtc);
DBG("dev=%p, crtc=%d", dev, crtc_id);
dispc_runtime_get();
spin_lock_irqsave(&list_lock, flags);
@ -156,12 +157,13 @@ int omap_irq_enable_vblank(struct drm_device *dev, int crtc)
* a hardware vblank counter, this routine should be a no-op, since
* interrupts will have to stay on to keep the count accurate.
*/
void omap_irq_disable_vblank(struct drm_device *dev, int crtc)
void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id)
{
struct omap_drm_private *priv = dev->dev_private;
struct drm_crtc *crtc = priv->crtcs[crtc_id];
unsigned long flags;
DBG("dev=%p, crtc=%d", dev, crtc);
DBG("dev=%p, crtc=%d", dev, crtc_id);
dispc_runtime_get();
spin_lock_irqsave(&list_lock, flags);
@ -186,9 +188,12 @@ irqreturn_t omap_irq_handler(DRM_IRQ_ARGS)
VERB("irqs: %08x", irqstatus);
for (id = 0; id < priv->num_crtcs; id++)
if (irqstatus & pipe2vbl(id))
for (id = 0; id < priv->num_crtcs; id++) {
struct drm_crtc *crtc = priv->crtcs[id];
if (irqstatus & pipe2vbl(crtc))
drm_handle_vblank(dev, id);
}
spin_lock_irqsave(&list_lock, flags);
list_for_each_entry_safe(handler, n, &priv->irq_list, node) {

6
drivers/gpu/drm/omapdrm/omap_plane.c
View File

@ -247,6 +247,12 @@ static int omap_plane_update(struct drm_plane *plane,
{
struct omap_plane *omap_plane = to_omap_plane(plane);
omap_plane->enabled = true;
if (plane->fb)
drm_framebuffer_unreference(plane->fb);
drm_framebuffer_reference(fb);
return omap_plane_mode_set(plane, crtc, fb,
crtc_x, crtc_y, crtc_w, crtc_h,
src_x, src_y, src_w, src_h,

20
drivers/video/omap2/displays/panel-nec-nl8048hl11-01b.c
View File

@ -242,16 +242,22 @@ static int nec_8048_spi_remove(struct spi_device *spi)
return 0;
}
static int nec_8048_spi_suspend(struct spi_device *spi, pm_message_t mesg)
#ifdef CONFIG_PM_SLEEP
static int nec_8048_spi_suspend(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
nec_8048_spi_send(spi, 2, 0x01);
mdelay(40);
return 0;
}
static int nec_8048_spi_resume(struct spi_device *spi)
static int nec_8048_spi_resume(struct device *dev)
{
struct spi_device *spi = to_spi_device(dev);
/* reinitialize the panel */
spi_setup(spi);
nec_8048_spi_send(spi, 2, 0x00);
@ -260,14 +266,20 @@ static int nec_8048_spi_resume(struct spi_device *spi)
return 0;
}
static SIMPLE_DEV_PM_OPS(nec_8048_spi_pm_ops, nec_8048_spi_suspend,
nec_8048_spi_resume);
#define NEC_8048_SPI_PM_OPS (&nec_8048_spi_pm_ops)
#else
#define NEC_8048_SPI_PM_OPS NULL
#endif
static struct spi_driver nec_8048_spi_driver = {
.probe = nec_8048_spi_probe,
.remove = nec_8048_spi_remove,
.suspend = nec_8048_spi_suspend,
.resume = nec_8048_spi_resume,
.driver = {
.name = "nec_8048_spi",
.owner = THIS_MODULE,
.pm = NEC_8048_SPI_PM_OPS,
},
};

298
drivers/video/omap2/displays/panel-taal.c
View File

@ -54,61 +54,6 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
static int taal_panel_reset(struct omap_dss_device *dssdev);
/**
* struct panel_config - panel configuration
* @name: panel name
* @type: panel type
* @timings: panel resolution
* @sleep: various panel specific delays, passed to msleep() if non-zero
* @reset_sequence: reset sequence timings, passed to udelay() if non-zero
* @regulators: array of panel regulators
* @num_regulators: number of regulators in the array
*/
struct panel_config {
const char *name;
int type;
struct omap_video_timings timings;
struct {
unsigned int sleep_in;
unsigned int sleep_out;
unsigned int hw_reset;
unsigned int enable_te;
} sleep;
struct {
unsigned int high;
unsigned int low;
} reset_sequence;
};
enum {
PANEL_TAAL,
};
static struct panel_config panel_configs[] = {
{
.name = "taal",
.type = PANEL_TAAL,
.timings = {
.x_res = 864,
.y_res = 480,
},
.sleep = {
.sleep_in = 5,
.sleep_out = 5,
.hw_reset = 5,
.enable_te = 100, /* possible panel bug */
},
.reset_sequence = {
.high = 10,
.low = 10,
},
},
};
struct taal_data {
struct mutex lock;
@ -121,9 +66,6 @@ struct taal_data {
struct omap_dss_device *dssdev;
/* panel specific HW info */
struct panel_config *panel_config;
/* panel HW configuration from DT or platform data */
int reset_gpio;
int ext_te_gpio;
@ -134,8 +76,6 @@ struct taal_data {
/* runtime variables */
bool enabled;
u8 rotate;
bool mirror;
bool te_enabled;
@ -221,8 +161,7 @@ static int taal_sleep_in(struct taal_data *td)
hw_guard_start(td, 120);
if (td->panel_config->sleep.sleep_in)
msleep(td->panel_config->sleep.sleep_in);
msleep(5);
return 0;
}
@ -239,8 +178,7 @@ static int taal_sleep_out(struct taal_data *td)
hw_guard_start(td, 120);
if (td->panel_config->sleep.sleep_out)
msleep(td->panel_config->sleep.sleep_out);
msleep(5);
return 0;
}
@ -262,49 +200,6 @@ static int taal_get_id(struct taal_data *td, u8 *id1, u8 *id2, u8 *id3)
return 0;
}
static int taal_set_addr_mode(struct taal_data *td, u8 rotate, bool mirror)
{
int r;
u8 mode;
int b5, b6, b7;
r = taal_dcs_read_1(td, MIPI_DCS_GET_ADDRESS_MODE, &mode);
if (r)
return r;
switch (rotate) {
default:
case 0:
b7 = 0;
b6 = 0;
b5 = 0;
break;
case 1:
b7 = 0;
b6 = 1;
b5 = 1;
break;
case 2:
b7 = 1;
b6 = 1;
b5 = 0;
break;
case 3:
b7 = 1;
b6 = 0;
b5 = 1;
break;
}
if (mirror)
b6 = !b6;
mode &= ~((1<<7) | (1<<6) | (1<<5));
mode |= (b7 << 7) | (b6 << 6) | (b5 << 5);
return taal_dcs_write_1(td, MIPI_DCS_SET_ADDRESS_MODE, mode);
}
static int taal_set_update_window(struct taal_data *td,
u16 x, u16 y, u16 w, u16 h)
{
@ -515,15 +410,8 @@ static const struct backlight_ops taal_bl_ops = {
static void taal_get_resolution(struct omap_dss_device *dssdev,
u16 *xres, u16 *yres)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
if (td->rotate == 0 || td->rotate == 2) {
*xres = dssdev->panel.timings.x_res;
*yres = dssdev->panel.timings.y_res;
} else {
*yres = dssdev->panel.timings.x_res;
*xres = dssdev->panel.timings.y_res;
}
*xres = dssdev->panel.timings.x_res;
*yres = dssdev->panel.timings.y_res;
}
static ssize_t taal_num_errors_show(struct device *dev,
@ -845,17 +733,14 @@ static void taal_hw_reset(struct omap_dss_device *dssdev)
return;
gpio_set_value(td->reset_gpio, 1);
if (td->panel_config->reset_sequence.high)
udelay(td->panel_config->reset_sequence.high);
udelay(10);
/* reset the panel */
gpio_set_value(td->reset_gpio, 0);
/* assert reset */
if (td->panel_config->reset_sequence.low)
udelay(td->panel_config->reset_sequence.low);
udelay(10);
gpio_set_value(td->reset_gpio, 1);
/* wait after releasing reset */
if (td->panel_config->sleep.hw_reset)
msleep(td->panel_config->sleep.hw_reset);
msleep(5);
}
static void taal_probe_pdata(struct taal_data *td,
@ -881,8 +766,7 @@ static int taal_probe(struct omap_dss_device *dssdev)
struct backlight_properties props;
struct taal_data *td;
struct backlight_device *bldev = NULL;
int r, i;
const char *panel_name;
int r;
dev_dbg(&dssdev->dev, "probe\n");
@ -897,26 +781,13 @@ static int taal_probe(struct omap_dss_device *dssdev)
const struct nokia_dsi_panel_data *pdata = dssdev->data;
taal_probe_pdata(td, pdata);
panel_name = pdata->name;
} else {
return -ENODEV;
}
if (panel_name == NULL)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(panel_configs); i++) {
if (strcmp(panel_name, panel_configs[i].name) == 0) {
td->panel_config = &panel_configs[i];
break;
}
}
if (!td->panel_config)
return -EINVAL;
dssdev->panel.timings = td->panel_config->timings;
dssdev->panel.timings.x_res = 864;
dssdev->panel.timings.y_res = 480;
dssdev->panel.timings.pixel_clock = DIV_ROUND_UP(864 * 480 * 60, 1000);
dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888;
dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE |
OMAP_DSS_DISPLAY_CAP_TEAR_ELIM;
@ -1049,6 +920,15 @@ static int taal_power_on(struct omap_dss_device *dssdev)
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
u8 id1, id2, id3;
int r;
struct omap_dss_dsi_config dsi_config = {
.mode = OMAP_DSS_DSI_CMD_MODE,
.pixel_format = OMAP_DSS_DSI_FMT_RGB888,
.timings = &dssdev->panel.timings,
.hs_clk_min = 150000000,
.hs_clk_max = 300000000,
.lp_clk_min = 7000000,
.lp_clk_max = 10000000,
};
r = omapdss_dsi_configure_pins(dssdev, &td->pin_config);
if (r) {
@ -1056,14 +936,9 @@ static int taal_power_on(struct omap_dss_device *dssdev)
goto err0;
};
omapdss_dsi_set_size(dssdev, dssdev->panel.timings.x_res,
dssdev->panel.timings.y_res);
omapdss_dsi_set_pixel_format(dssdev, OMAP_DSS_DSI_FMT_RGB888);
omapdss_dsi_set_operation_mode(dssdev, OMAP_DSS_DSI_CMD_MODE);
r = omapdss_dsi_set_clocks(dssdev, 216000000, 10000000);
r = omapdss_dsi_set_config(dssdev, &dsi_config);
if (r) {
dev_err(&dssdev->dev, "failed to set HS and LP clocks\n");
dev_err(&dssdev->dev, "failed to configure DSI\n");
goto err0;
}
@ -1086,8 +961,7 @@ static int taal_power_on(struct omap_dss_device *dssdev)
goto err;
/* on early Taal revisions CABC is broken */
if (td->panel_config->type == PANEL_TAAL &&
(id2 == 0x00 || id2 == 0xff || id2 == 0x81))
if (id2 == 0x00 || id2 == 0xff || id2 == 0x81)
td->cabc_broken = true;
r = taal_dcs_write_1(td, DCS_BRIGHTNESS, 0xff);
@ -1104,10 +978,6 @@ static int taal_power_on(struct omap_dss_device *dssdev)
if (r)
goto err;
r = taal_set_addr_mode(td, td->rotate, td->mirror);
if (r)
goto err;
if (!td->cabc_broken) {
r = taal_dcs_write_1(td, DCS_WRITE_CABC, td->cabc_mode);
if (r)
@ -1129,8 +999,8 @@ static int taal_power_on(struct omap_dss_device *dssdev)
td->enabled = 1;
if (!td->intro_printed) {
dev_info(&dssdev->dev, "%s panel revision %02x.%02x.%02x\n",
td->panel_config->name, id1, id2, id3);
dev_info(&dssdev->dev, "panel revision %02x.%02x.%02x\n",
id1, id2, id3);
if (td->cabc_broken)
dev_info(&dssdev->dev,
"old Taal version, CABC disabled\n");
@ -1311,8 +1181,8 @@ static int taal_update(struct omap_dss_device *dssdev,
/* XXX no need to send this every frame, but dsi break if not done */
r = taal_set_update_window(td, 0, 0,
td->panel_config->timings.x_res,
td->panel_config->timings.y_res);
dssdev->panel.timings.x_res,
dssdev->panel.timings.y_res);
if (r)
goto err;
@ -1365,8 +1235,8 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
if (!gpio_is_valid(td->ext_te_gpio))
omapdss_dsi_enable_te(dssdev, enable);
if (td->panel_config->sleep.enable_te)
msleep(td->panel_config->sleep.enable_te);
/* possible panel bug */
msleep(100);
return r;
}
@ -1419,112 +1289,6 @@ static int taal_get_te(struct omap_dss_device *dssdev)
return r;
}
static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
u16 dw, dh;
int r;
dev_dbg(&dssdev->dev, "rotate %d\n", rotate);
mutex_lock(&td->lock);
if (td->rotate == rotate)
goto end;
dsi_bus_lock(dssdev);
if (td->enabled) {
r = taal_wake_up(dssdev);
if (r)
goto err;
r = taal_set_addr_mode(td, rotate, td->mirror);
if (r)
goto err;
}
if (rotate == 0 || rotate == 2) {
dw = dssdev->panel.timings.x_res;
dh = dssdev->panel.timings.y_res;
} else {
dw = dssdev->panel.timings.y_res;
dh = dssdev->panel.timings.x_res;
}
omapdss_dsi_set_size(dssdev, dw, dh);
td->rotate = rotate;
dsi_bus_unlock(dssdev);
end:
mutex_unlock(&td->lock);
return 0;
err:
dsi_bus_unlock(dssdev);
mutex_unlock(&td->lock);
return r;
}
static u8 taal_get_rotate(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
int r;
mutex_lock(&td->lock);
r = td->rotate;
mutex_unlock(&td->lock);
return r;
}
static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
int r;
dev_dbg(&dssdev->dev, "mirror %d\n", enable);
mutex_lock(&td->lock);
if (td->mirror == enable)
goto end;
dsi_bus_lock(dssdev);
if (td->enabled) {
r = taal_wake_up(dssdev);
if (r)
goto err;
r = taal_set_addr_mode(td, td->rotate, enable);
if (r)
goto err;
}
td->mirror = enable;
dsi_bus_unlock(dssdev);
end:
mutex_unlock(&td->lock);
return 0;
err:
dsi_bus_unlock(dssdev);
mutex_unlock(&td->lock);
return r;
}
static bool taal_get_mirror(struct omap_dss_device *dssdev)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
int r;
mutex_lock(&td->lock);
r = td->mirror;
mutex_unlock(&td->lock);
return r;
}
static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
{
struct taal_data *td = dev_get_drvdata(&dssdev->dev);
@ -1758,10 +1522,6 @@ static struct omap_dss_driver taal_driver = {
.enable_te = taal_enable_te,
.get_te = taal_get_te,
.set_rotate = taal_rotate,
.get_rotate = taal_get_rotate,
.set_mirror = taal_mirror,
.get_mirror = taal_get_mirror,
.run_test = taal_run_test,
.memory_read = taal_memory_read,

15
drivers/video/omap2/dss/apply.c
View File

@ -435,20 +435,27 @@ static inline struct omap_dss_device *dss_mgr_get_device(struct omap_overlay_man
static int dss_mgr_wait_for_vsync(struct omap_overlay_manager *mgr)
{
unsigned long timeout = msecs_to_jiffies(500);
struct omap_dss_device *dssdev = mgr->get_device(mgr);
u32 irq;
int r;
if (mgr->output == NULL)
return -ENODEV;
r = dispc_runtime_get();
if (r)
return r;
if (dssdev->type == OMAP_DISPLAY_TYPE_VENC)
switch (mgr->output->id) {
case OMAP_DSS_OUTPUT_VENC:
irq = DISPC_IRQ_EVSYNC_ODD;
else if (dssdev->type == OMAP_DISPLAY_TYPE_HDMI)
break;
case OMAP_DSS_OUTPUT_HDMI:
irq = DISPC_IRQ_EVSYNC_EVEN;
else
break;
default:
irq = dispc_mgr_get_vsync_irq(mgr->id);
break;
}
r = omap_dispc_wait_for_irq_interruptible_timeout(irq, timeout);

5
drivers/video/omap2/dss/core.c
View File

@ -181,10 +181,7 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir,
write, &dss_debug_fops);
if (IS_ERR(d))
return PTR_ERR(d);
return 0;
return PTR_RET(d);
}
#else /* CONFIG_OMAP2_DSS_DEBUGFS */
static inline int dss_initialize_debugfs(void)

178
drivers/video/omap2/dss/dispc.c
View File

@ -69,6 +69,8 @@ struct dispc_features {
u8 mgr_height_start;
u16 mgr_width_max;
u16 mgr_height_max;
unsigned long max_lcd_pclk;
unsigned long max_tv_pclk;
int (*calc_scaling) (unsigned long pclk, unsigned long lclk,
const struct omap_video_timings *mgr_timings,
u16 width, u16 height, u16 out_width, u16 out_height,
@ -85,6 +87,9 @@ struct dispc_features {
/* no DISPC_IRQ_FRAMEDONETV on this SoC */
bool no_framedone_tv:1;
/* revert to the OMAP4 mechanism of DISPC Smart Standby operation */
bool mstandby_workaround:1;
};
#define DISPC_MAX_NR_FIFOS 5
@ -97,6 +102,8 @@ static struct {
int irq;
unsigned long core_clk_rate;
u32 fifo_size[DISPC_MAX_NR_FIFOS];
/* maps which plane is using a fifo. fifo-id -> plane-id */
int fifo_assignment[DISPC_MAX_NR_FIFOS];
@ -1584,6 +1591,7 @@ static void dispc_ovl_set_scaling(enum omap_plane plane,
}
static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation,
enum omap_dss_rotation_type rotation_type,
bool mirroring, enum omap_color_mode color_mode)
{
bool row_repeat = false;
@ -1634,6 +1642,15 @@ static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation,
if (dss_has_feature(FEAT_ROWREPEATENABLE))
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane),
row_repeat ? 1 : 0, 18, 18);
if (color_mode == OMAP_DSS_COLOR_NV12) {
bool doublestride = (rotation_type == OMAP_DSS_ROT_TILER) &&
(rotation == OMAP_DSS_ROT_0 ||
rotation == OMAP_DSS_ROT_180);
/* DOUBLESTRIDE */
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), doublestride, 22, 22);
}
}
static int color_mode_to_bpp(enum omap_color_mode color_mode)
@ -2512,7 +2529,8 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
dispc_ovl_set_vid_color_conv(plane, cconv);
}
dispc_ovl_set_rotation_attrs(plane, rotation, mirror, color_mode);
dispc_ovl_set_rotation_attrs(plane, rotation, rotation_type, mirror,
color_mode);
dispc_ovl_set_zorder(plane, caps, zorder);
dispc_ovl_set_pre_mult_alpha(plane, caps, pre_mult_alpha);
@ -2823,6 +2841,15 @@ static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp,
return true;
}
static bool _dispc_mgr_pclk_ok(enum omap_channel channel,
unsigned long pclk)
{
if (dss_mgr_is_lcd(channel))
return pclk <= dispc.feat->max_lcd_pclk ? true : false;
else
return pclk <= dispc.feat->max_tv_pclk ? true : false;
}
bool dispc_mgr_timings_ok(enum omap_channel channel,
const struct omap_video_timings *timings)
{
@ -2830,11 +2857,13 @@ bool dispc_mgr_timings_ok(enum omap_channel channel,
timings_ok = _dispc_mgr_size_ok(timings->x_res, timings->y_res);
if (dss_mgr_is_lcd(channel))
timings_ok = timings_ok && _dispc_lcd_timings_ok(timings->hsw,
timings->hfp, timings->hbp,
timings->vsw, timings->vfp,
timings->vbp);
timings_ok &= _dispc_mgr_pclk_ok(channel, timings->pixel_clock * 1000);
if (dss_mgr_is_lcd(channel)) {
timings_ok &= _dispc_lcd_timings_ok(timings->hsw, timings->hfp,
timings->hbp, timings->vsw, timings->vfp,
timings->vbp);
}
return timings_ok;
}
@ -2951,6 +2980,10 @@ static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
dispc_write_reg(DISPC_DIVISORo(channel),
FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0));
if (dss_has_feature(FEAT_CORE_CLK_DIV) == false &&
channel == OMAP_DSS_CHANNEL_LCD)
dispc.core_clk_rate = dispc_fclk_rate() / lck_div;
}
static void dispc_mgr_get_lcd_divisor(enum omap_channel channel, int *lck_div,
@ -3056,15 +3089,7 @@ unsigned long dispc_mgr_pclk_rate(enum omap_channel channel)
unsigned long dispc_core_clk_rate(void)
{
int lcd;
unsigned long fclk = dispc_fclk_rate();
if (dss_has_feature(FEAT_CORE_CLK_DIV))
lcd = REG_GET(DISPC_DIVISOR, 23, 16);
else
lcd = REG_GET(DISPC_DIVISORo(OMAP_DSS_CHANNEL_LCD), 23, 16);
return fclk / lcd;
return dispc.core_clk_rate;
}
static unsigned long dispc_plane_pclk_rate(enum omap_plane plane)
@ -3313,54 +3338,6 @@ static void dispc_dump_regs(struct seq_file *s)
#undef DUMPREG
}
/* with fck as input clock rate, find dispc dividers that produce req_pck */
void dispc_find_clk_divs(unsigned long req_pck, unsigned long fck,
struct dispc_clock_info *cinfo)
{
u16 pcd_min, pcd_max;
unsigned long best_pck;
u16 best_ld, cur_ld;
u16 best_pd, cur_pd;
pcd_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD);
pcd_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD);
best_pck = 0;
best_ld = 0;
best_pd = 0;
for (cur_ld = 1; cur_ld <= 255; ++cur_ld) {
unsigned long lck = fck / cur_ld;
for (cur_pd = pcd_min; cur_pd <= pcd_max; ++cur_pd) {
unsigned long pck = lck / cur_pd;
long old_delta = abs(best_pck - req_pck);
long new_delta = abs(pck - req_pck);
if (best_pck == 0 || new_delta < old_delta) {
best_pck = pck;
best_ld = cur_ld;
best_pd = cur_pd;
if (pck == req_pck)
goto found;
}
if (pck < req_pck)
break;
}
if (lck / pcd_min < req_pck)
break;
}
found:
cinfo->lck_div = best_ld;
cinfo->pck_div = best_pd;
cinfo->lck = fck / cinfo->lck_div;
cinfo->pck = cinfo->lck / cinfo->pck_div;
}
/* calculate clock rates using dividers in cinfo */
int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
struct dispc_clock_info *cinfo)
@ -3376,6 +3353,66 @@ int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
return 0;
}
bool dispc_div_calc(unsigned long dispc,
unsigned long pck_min, unsigned long pck_max,
dispc_div_calc_func func, void *data)
{
int lckd, lckd_start, lckd_stop;
int pckd, pckd_start, pckd_stop;
unsigned long pck, lck;
unsigned long lck_max;
unsigned long pckd_hw_min, pckd_hw_max;
unsigned min_fck_per_pck;
unsigned long fck;
#ifdef CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK
min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK;
#else
min_fck_per_pck = 0;
#endif
pckd_hw_min = dss_feat_get_param_min(FEAT_PARAM_DSS_PCD);
pckd_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_PCD);
lck_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
pck_min = pck_min ? pck_min : 1;
pck_max = pck_max ? pck_max : ULONG_MAX;
lckd_start = max(DIV_ROUND_UP(dispc, lck_max), 1ul);
lckd_stop = min(dispc / pck_min, 255ul);
for (lckd = lckd_start; lckd <= lckd_stop; ++lckd) {
lck = dispc / lckd;
pckd_start = max(DIV_ROUND_UP(lck, pck_max), pckd_hw_min);
pckd_stop = min(lck / pck_min, pckd_hw_max);
for (pckd = pckd_start; pckd <= pckd_stop; ++pckd) {
pck = lck / pckd;
/*
* For OMAP2/3 the DISPC fclk is the same as LCD's logic
* clock, which means we're configuring DISPC fclk here
* also. Thus we need to use the calculated lck. For
* OMAP4+ the DISPC fclk is a separate clock.
*/
if (dss_has_feature(FEAT_CORE_CLK_DIV))
fck = dispc_core_clk_rate();
else
fck = lck;
if (fck < pck * min_fck_per_pck)
continue;
if (func(lckd, pckd, lck, pck, data))
return true;
}
}
return false;
}
void dispc_mgr_set_clock_div(enum omap_channel channel,
const struct dispc_clock_info *cinfo)
{
@ -3451,6 +3488,8 @@ static void _omap_dispc_initial_config(void)
l = FLD_MOD(l, 1, 0, 0);
l = FLD_MOD(l, 1, 23, 16);
dispc_write_reg(DISPC_DIVISOR, l);
dispc.core_clk_rate = dispc_fclk_rate();
}
/* FUNCGATED */
@ -3466,6 +3505,9 @@ static void _omap_dispc_initial_config(void)
dispc_configure_burst_sizes();
dispc_ovl_enable_zorder_planes();
if (dispc.feat->mstandby_workaround)
REG_FLD_MOD(DISPC_MSTANDBY_CTRL, 1, 0, 0);
}
static const struct dispc_features omap24xx_dispc_feats __initconst = {
@ -3479,6 +3521,7 @@ static const struct dispc_features omap24xx_dispc_feats __initconst = {
.mgr_height_start = 26,
.mgr_width_max = 2048,
.mgr_height_max = 2048,
.max_lcd_pclk = 66500000,
.calc_scaling = dispc_ovl_calc_scaling_24xx,
.calc_core_clk = calc_core_clk_24xx,
.num_fifos = 3,
@ -3496,6 +3539,8 @@ static const struct dispc_features omap34xx_rev1_0_dispc_feats __initconst = {
.mgr_height_start = 26,
.mgr_width_max = 2048,
.mgr_height_max = 2048,
.max_lcd_pclk = 173000000,
.max_tv_pclk = 59000000,
.calc_scaling = dispc_ovl_calc_scaling_34xx,
.calc_core_clk = calc_core_clk_34xx,
.num_fifos = 3,
@ -3513,6 +3558,8 @@ static const struct dispc_features omap34xx_rev3_0_dispc_feats __initconst = {
.mgr_height_start = 26,
.mgr_width_max = 2048,
.mgr_height_max = 2048,
.max_lcd_pclk = 173000000,
.max_tv_pclk = 59000000,
.calc_scaling = dispc_ovl_calc_scaling_34xx,
.calc_core_clk = calc_core_clk_34xx,
.num_fifos = 3,
@ -3530,6 +3577,8 @@ static const struct dispc_features omap44xx_dispc_feats __initconst = {
.mgr_height_start = 26,
.mgr_width_max = 2048,
.mgr_height_max = 2048,
.max_lcd_pclk = 170000000,
.max_tv_pclk = 185625000,
.calc_scaling = dispc_ovl_calc_scaling_44xx,
.calc_core_clk = calc_core_clk_44xx,
.num_fifos = 5,
@ -3547,10 +3596,13 @@ static const struct dispc_features omap54xx_dispc_feats __initconst = {
.mgr_height_start = 27,
.mgr_width_max = 4096,
.mgr_height_max = 4096,
.max_lcd_pclk = 170000000,
.max_tv_pclk = 186000000,
.calc_scaling = dispc_ovl_calc_scaling_44xx,
.calc_core_clk = calc_core_clk_44xx,
.num_fifos = 5,
.gfx_fifo_workaround = true,
.mstandby_workaround = true,
};
static int __init dispc_init_features(struct platform_device *pdev)

1
drivers/video/omap2/dss/dispc.h
View File

@ -39,6 +39,7 @@
#define DISPC_GLOBAL_BUFFER 0x0800
#define DISPC_CONTROL3 0x0848
#define DISPC_CONFIG3 0x084C
#define DISPC_MSTANDBY_CTRL 0x0858
/* DISPC overlay registers */
#define DISPC_OVL_BA0(n) (DISPC_OVL_BASE(n) + \

342
drivers/video/omap2/dss/dpi.c
View File

@ -63,15 +63,29 @@ static struct platform_device *dpi_get_dsidev(enum omap_channel channel)
case OMAPDSS_VER_OMAP3630:
case OMAPDSS_VER_AM35xx:
return NULL;
default:
break;
}
switch (channel) {
case OMAP_DSS_CHANNEL_LCD:
return dsi_get_dsidev_from_id(0);
case OMAP_DSS_CHANNEL_LCD2:
return dsi_get_dsidev_from_id(1);
case OMAPDSS_VER_OMAP4430_ES1:
case OMAPDSS_VER_OMAP4430_ES2:
case OMAPDSS_VER_OMAP4:
switch (channel) {
case OMAP_DSS_CHANNEL_LCD:
return dsi_get_dsidev_from_id(0);
case OMAP_DSS_CHANNEL_LCD2:
return dsi_get_dsidev_from_id(1);
default:
return NULL;
}
case OMAPDSS_VER_OMAP5:
switch (channel) {
case OMAP_DSS_CHANNEL_LCD:
return dsi_get_dsidev_from_id(0);
case OMAP_DSS_CHANNEL_LCD3:
return dsi_get_dsidev_from_id(1);
default:
return NULL;
}
default:
return NULL;
}
@ -91,75 +105,211 @@ static enum omap_dss_clk_source dpi_get_alt_clk_src(enum omap_channel channel)
}
}
static int dpi_set_dsi_clk(struct omap_dss_device *dssdev,
unsigned long pck_req, unsigned long *fck, int *lck_div,
int *pck_div)
{
struct omap_overlay_manager *mgr = dssdev->output->manager;
struct dpi_clk_calc_ctx {
struct platform_device *dsidev;
/* inputs */
unsigned long pck_min, pck_max;
/* outputs */
struct dsi_clock_info dsi_cinfo;
struct dispc_clock_info dispc_cinfo;
int r;
r = dsi_pll_calc_clock_div_pck(dpi.dsidev, pck_req, &dsi_cinfo,
&dispc_cinfo);
if (r)
return r;
r = dsi_pll_set_clock_div(dpi.dsidev, &dsi_cinfo);
if (r)
return r;
dss_select_lcd_clk_source(mgr->id,
dpi_get_alt_clk_src(mgr->id));
dpi.mgr_config.clock_info = dispc_cinfo;
*fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
*lck_div = dispc_cinfo.lck_div;
*pck_div = dispc_cinfo.pck_div;
return 0;
}
static int dpi_set_dispc_clk(struct omap_dss_device *dssdev,
unsigned long pck_req, unsigned long *fck, int *lck_div,
int *pck_div)
{
struct dss_clock_info dss_cinfo;
struct dispc_clock_info dispc_cinfo;
};
static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
unsigned long pck, void *data)
{
struct dpi_clk_calc_ctx *ctx = data;
/*
* Odd dividers give us uneven duty cycle, causing problem when level
* shifted. So skip all odd dividers when the pixel clock is on the
* higher side.
*/
if (ctx->pck_min >= 1000000) {
if (lckd > 1 && lckd % 2 != 0)
return false;
if (pckd > 1 && pckd % 2 != 0)
return false;
}
ctx->dispc_cinfo.lck_div = lckd;
ctx->dispc_cinfo.pck_div = pckd;
ctx->dispc_cinfo.lck = lck;
ctx->dispc_cinfo.pck = pck;
return true;
}
static bool dpi_calc_hsdiv_cb(int regm_dispc, unsigned long dispc,
void *data)
{
struct dpi_clk_calc_ctx *ctx = data;
/*
* Odd dividers give us uneven duty cycle, causing problem when level
* shifted. So skip all odd dividers when the pixel clock is on the
* higher side.
*/
if (regm_dispc > 1 && regm_dispc % 2 != 0 && ctx->pck_min >= 1000000)
return false;
ctx->dsi_cinfo.regm_dispc = regm_dispc;
ctx->dsi_cinfo.dsi_pll_hsdiv_dispc_clk = dispc;
return dispc_div_calc(dispc, ctx->pck_min, ctx->pck_max,
dpi_calc_dispc_cb, ctx);
}
static bool dpi_calc_pll_cb(int regn, int regm, unsigned long fint,
unsigned long pll,
void *data)
{
struct dpi_clk_calc_ctx *ctx = data;
ctx->dsi_cinfo.regn = regn;
ctx->dsi_cinfo.regm = regm;
ctx->dsi_cinfo.fint = fint;
ctx->dsi_cinfo.clkin4ddr = pll;
return dsi_hsdiv_calc(ctx->dsidev, pll, ctx->pck_min,
dpi_calc_hsdiv_cb, ctx);
}
static bool dpi_calc_dss_cb(int fckd, unsigned long fck, void *data)
{
struct dpi_clk_calc_ctx *ctx = data;
ctx->dss_cinfo.fck = fck;
ctx->dss_cinfo.fck_div = fckd;
return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
dpi_calc_dispc_cb, ctx);
}
static bool dpi_dsi_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
{
unsigned long clkin;
unsigned long pll_min, pll_max;
clkin = dsi_get_pll_clkin(dpi.dsidev);
memset(ctx, 0, sizeof(*ctx));
ctx->dsidev = dpi.dsidev;
ctx->pck_min = pck - 1000;
ctx->pck_max = pck + 1000;
ctx->dsi_cinfo.clkin = clkin;
pll_min = 0;
pll_max = 0;
return dsi_pll_calc(dpi.dsidev, clkin,
pll_min, pll_max,
dpi_calc_pll_cb, ctx);
}
static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
{
int i;
/*
* DSS fck gives us very few possibilities, so finding a good pixel
* clock may not be possible. We try multiple times to find the clock,
* each time widening the pixel clock range we look for, up to
* +/- ~15MHz.
*/
for (i = 0; i < 25; ++i) {
bool ok;
memset(ctx, 0, sizeof(*ctx));
if (pck > 1000 * i * i * i)
ctx->pck_min = max(pck - 1000 * i * i * i, 0lu);
else
ctx->pck_min = 0;
ctx->pck_max = pck + 1000 * i * i * i;
ok = dss_div_calc(ctx->pck_min, dpi_calc_dss_cb, ctx);
if (ok)
return ok;
}
return false;
}
static int dpi_set_dsi_clk(enum omap_channel channel,
unsigned long pck_req, unsigned long *fck, int *lck_div,
int *pck_div)
{
struct dpi_clk_calc_ctx ctx;
int r;
bool ok;
r = dss_calc_clock_div(pck_req, &dss_cinfo, &dispc_cinfo);
ok = dpi_dsi_clk_calc(pck_req, &ctx);
if (!ok)
return -EINVAL;
r = dsi_pll_set_clock_div(dpi.dsidev, &ctx.dsi_cinfo);
if (r)
return r;
r = dss_set_clock_div(&dss_cinfo);
if (r)
return r;
dss_select_lcd_clk_source(channel,
dpi_get_alt_clk_src(channel));
dpi.mgr_config.clock_info = dispc_cinfo;
dpi.mgr_config.clock_info = ctx.dispc_cinfo;
*fck = dss_cinfo.fck;
*lck_div = dispc_cinfo.lck_div;
*pck_div = dispc_cinfo.pck_div;
*fck = ctx.dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
*lck_div = ctx.dispc_cinfo.lck_div;
*pck_div = ctx.dispc_cinfo.pck_div;
return 0;
}
static int dpi_set_mode(struct omap_dss_device *dssdev)
static int dpi_set_dispc_clk(unsigned long pck_req, unsigned long *fck,
int *lck_div, int *pck_div)
{
struct dpi_clk_calc_ctx ctx;
int r;
bool ok;
ok = dpi_dss_clk_calc(pck_req, &ctx);
if (!ok)
return -EINVAL;
r = dss_set_clock_div(&ctx.dss_cinfo);
if (r)
return r;
dpi.mgr_config.clock_info = ctx.dispc_cinfo;
*fck = ctx.dss_cinfo.fck;
*lck_div = ctx.dispc_cinfo.lck_div;
*pck_div = ctx.dispc_cinfo.pck_div;
return 0;
}
static int dpi_set_mode(struct omap_overlay_manager *mgr)
{
struct omap_video_timings *t = &dpi.timings;
struct omap_overlay_manager *mgr = dssdev->output->manager;
int lck_div = 0, pck_div = 0;
unsigned long fck = 0;
unsigned long pck;
int r = 0;
if (dpi.dsidev)
r = dpi_set_dsi_clk(dssdev, t->pixel_clock * 1000, &fck,
r = dpi_set_dsi_clk(mgr->id, t->pixel_clock * 1000, &fck,
&lck_div, &pck_div);
else
r = dpi_set_dispc_clk(dssdev, t->pixel_clock * 1000, &fck,
r = dpi_set_dispc_clk(t->pixel_clock * 1000, &fck,
&lck_div, &pck_div);
if (r)
return r;
@ -179,10 +329,8 @@ static int dpi_set_mode(struct omap_dss_device *dssdev)
return 0;
}
static void dpi_config_lcd_manager(struct omap_dss_device *dssdev)
static void dpi_config_lcd_manager(struct omap_overlay_manager *mgr)
{
struct omap_overlay_manager *mgr = dssdev->output->manager;
dpi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
dpi.mgr_config.stallmode = false;
@ -197,7 +345,7 @@ static void dpi_config_lcd_manager(struct omap_dss_device *dssdev)
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
struct omap_dss_output *out = dssdev->output;
struct omap_dss_output *out = &dpi.output;
int r;
mutex_lock(&dpi.lock);
@ -230,7 +378,7 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
if (r)
goto err_get_dispc;
r = dss_dpi_select_source(dssdev->channel);
r = dss_dpi_select_source(out->manager->id);
if (r)
goto err_src_sel;
@ -244,11 +392,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
goto err_dsi_pll_init;
}
r = dpi_set_mode(dssdev);
r = dpi_set_mode(out->manager);
if (r)
goto err_set_mode;
dpi_config_lcd_manager(dssdev);
dpi_config_lcd_manager(out->manager);
mdelay(2);
@ -285,7 +433,7 @@ EXPORT_SYMBOL(omapdss_dpi_display_enable);
void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
{
struct omap_overlay_manager *mgr = dssdev->output->manager;
struct omap_overlay_manager *mgr = dpi.output.manager;
mutex_lock(&dpi.lock);
@ -324,12 +472,12 @@ EXPORT_SYMBOL(omapdss_dpi_set_timings);
int dpi_check_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
int r;
struct omap_overlay_manager *mgr = dssdev->output->manager;
struct omap_overlay_manager *mgr = dpi.output.manager;
int lck_div, pck_div;
unsigned long fck;
unsigned long pck;
struct dispc_clock_info dispc_cinfo;
struct dpi_clk_calc_ctx ctx;
bool ok;
if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
return -EINVAL;
@ -338,28 +486,21 @@ int dpi_check_timings(struct omap_dss_device *dssdev,
return -EINVAL;
if (dpi.dsidev) {
struct dsi_clock_info dsi_cinfo;
r = dsi_pll_calc_clock_div_pck(dpi.dsidev,
timings->pixel_clock * 1000,
&dsi_cinfo, &dispc_cinfo);
ok = dpi_dsi_clk_calc(timings->pixel_clock * 1000, &ctx);
if (!ok)
return -EINVAL;
if (r)
return r;
fck = dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
fck = ctx.dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
} else {
struct dss_clock_info dss_cinfo;
r = dss_calc_clock_div(timings->pixel_clock * 1000,
&dss_cinfo, &dispc_cinfo);
ok = dpi_dss_clk_calc(timings->pixel_clock * 1000, &ctx);
if (!ok)
return -EINVAL;
if (r)
return r;
fck = dss_cinfo.fck;
fck = ctx.dss_cinfo.fck;
}
lck_div = dispc_cinfo.lck_div;
pck_div = dispc_cinfo.pck_div;
lck_div = ctx.dispc_cinfo.lck_div;
pck_div = ctx.dispc_cinfo.pck_div;
pck = fck / lck_div / pck_div / 1000;
@ -401,6 +542,36 @@ static int __init dpi_verify_dsi_pll(struct platform_device *dsidev)
return 0;
}
/*
* Return a hardcoded channel for the DPI output. This should work for
* current use cases, but this can be later expanded to either resolve
* the channel in some more dynamic manner, or get the channel as a user
* parameter.
*/
static enum omap_channel dpi_get_channel(void)
{
switch (omapdss_get_version()) {
case OMAPDSS_VER_OMAP24xx:
case OMAPDSS_VER_OMAP34xx_ES1:
case OMAPDSS_VER_OMAP34xx_ES3:
case OMAPDSS_VER_OMAP3630:
case OMAPDSS_VER_AM35xx:
return OMAP_DSS_CHANNEL_LCD;
case OMAPDSS_VER_OMAP4430_ES1:
case OMAPDSS_VER_OMAP4430_ES2:
case OMAPDSS_VER_OMAP4:
return OMAP_DSS_CHANNEL_LCD2;
case OMAPDSS_VER_OMAP5:
return OMAP_DSS_CHANNEL_LCD3;
default:
DSSWARN("unsupported DSS version\n");
return OMAP_DSS_CHANNEL_LCD;
}
}
static int __init dpi_init_display(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev;
@ -421,12 +592,7 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev)
dpi.vdds_dsi_reg = vdds_dsi;
}
/*
* XXX We shouldn't need dssdev->channel for this. The dsi pll clock
* source for DPI is SoC integration detail, not something that should
* be configured in the dssdev
*/
dsidev = dpi_get_dsidev(dssdev->channel);
dsidev = dpi_get_dsidev(dpi.output.dispc_channel);
if (dsidev && dpi_verify_dsi_pll(dsidev)) {
dsidev = NULL;
@ -517,6 +683,8 @@ static void __init dpi_init_output(struct platform_device *pdev)
out->pdev = pdev;
out->id = OMAP_DSS_OUTPUT_DPI;
out->type = OMAP_DISPLAY_TYPE_DPI;
out->name = "dpi.0";
out->dispc_channel = dpi_get_channel();
dss_register_output(out);
}

1259
drivers/video/omap2/dss/dsi.c
View File

File diff suppressed because it is too large Load Diff

181
drivers/video/omap2/dss/dss.c
View File

@ -473,6 +473,47 @@ int dss_calc_clock_rates(struct dss_clock_info *cinfo)
return 0;
}
bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data)
{
int fckd, fckd_start, fckd_stop;
unsigned long fck;
unsigned long fck_hw_max;
unsigned long fckd_hw_max;
unsigned long prate;
unsigned m;
if (dss.dpll4_m4_ck == NULL) {
/*
* TODO: dss1_fclk can be changed on OMAP2, but the available
* dividers are not continuous. We just use the pre-set rate for
* now.
*/
fck = clk_get_rate(dss.dss_clk);
fckd = 1;
return func(fckd, fck, data);
}
fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
fckd_hw_max = dss.feat->fck_div_max;
m = dss.feat->dss_fck_multiplier;
prate = dss_get_dpll4_rate();
fck_min = fck_min ? fck_min : 1;
fckd_start = min(prate * m / fck_min, fckd_hw_max);
fckd_stop = max(DIV_ROUND_UP(prate * m, fck_hw_max), 1ul);
for (fckd = fckd_start; fckd >= fckd_stop; --fckd) {
fck = prate / fckd * m;
if (func(fckd, fck, data))
return true;
}
return false;
}
int dss_set_clock_div(struct dss_clock_info *cinfo)
{
if (dss.dpll4_m4_ck) {
@ -482,7 +523,8 @@ int dss_set_clock_div(struct dss_clock_info *cinfo)
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
DSSDBG("dpll4_m4 = %ld\n", prate);
r = clk_set_rate(dss.dpll4_m4_ck, prate / cinfo->fck_div);
r = clk_set_rate(dss.dpll4_m4_ck,
DIV_ROUND_UP(prate, cinfo->fck_div));
if (r)
return r;
} else {
@ -492,7 +534,9 @@ int dss_set_clock_div(struct dss_clock_info *cinfo)
dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
WARN_ONCE(dss.dss_clk_rate != cinfo->fck, "clk rate mismatch");
WARN_ONCE(dss.dss_clk_rate != cinfo->fck,
"clk rate mismatch: %lu != %lu", dss.dss_clk_rate,
cinfo->fck);
DSSDBG("fck = %ld (%d)\n", cinfo->fck, cinfo->fck_div);
@ -542,121 +586,6 @@ static int dss_setup_default_clock(void)
return 0;
}
int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
struct dispc_clock_info *dispc_cinfo)
{
unsigned long prate;
struct dss_clock_info best_dss;
struct dispc_clock_info best_dispc;
unsigned long fck, max_dss_fck;
u16 fck_div;
int match = 0;
int min_fck_per_pck;
prate = dss_get_dpll4_rate();
max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
fck = clk_get_rate(dss.dss_clk);
if (req_pck == dss.cache_req_pck && prate == dss.cache_prate &&
dss.cache_dss_cinfo.fck == fck) {
DSSDBG("dispc clock info found from cache.\n");
*dss_cinfo = dss.cache_dss_cinfo;
*dispc_cinfo = dss.cache_dispc_cinfo;
return 0;
}
min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK;
if (min_fck_per_pck &&
req_pck * min_fck_per_pck > max_dss_fck) {
DSSERR("Requested pixel clock not possible with the current "
"OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning "
"the constraint off.\n");
min_fck_per_pck = 0;
}
retry:
memset(&best_dss, 0, sizeof(best_dss));
memset(&best_dispc, 0, sizeof(best_dispc));
if (dss.dpll4_m4_ck == NULL) {
struct dispc_clock_info cur_dispc;
/* XXX can we change the clock on omap2? */
fck = clk_get_rate(dss.dss_clk);
fck_div = 1;
dispc_find_clk_divs(req_pck, fck, &cur_dispc);
match = 1;
best_dss.fck = fck;
best_dss.fck_div = fck_div;
best_dispc = cur_dispc;
goto found;
} else {
for (fck_div = dss.feat->fck_div_max; fck_div > 0; --fck_div) {
struct dispc_clock_info cur_dispc;
fck = prate / fck_div * dss.feat->dss_fck_multiplier;
if (fck > max_dss_fck)
continue;
if (min_fck_per_pck &&
fck < req_pck * min_fck_per_pck)
continue;
match = 1;
dispc_find_clk_divs(req_pck, fck, &cur_dispc);
if (abs(cur_dispc.pck - req_pck) <
abs(best_dispc.pck - req_pck)) {
best_dss.fck = fck;
best_dss.fck_div = fck_div;
best_dispc = cur_dispc;
if (cur_dispc.pck == req_pck)
goto found;
}
}
}
found:
if (!match) {
if (min_fck_per_pck) {
DSSERR("Could not find suitable clock settings.\n"
"Turning FCK/PCK constraint off and"
"trying again.\n");
min_fck_per_pck = 0;
goto retry;
}
DSSERR("Could not find suitable clock settings.\n");
return -EINVAL;
}
if (dss_cinfo)
*dss_cinfo = best_dss;
if (dispc_cinfo)
*dispc_cinfo = best_dispc;
dss.cache_req_pck = req_pck;
dss.cache_prate = prate;
dss.cache_dss_cinfo = best_dss;
dss.cache_dispc_cinfo = best_dispc;
return 0;
}
void dss_set_venc_output(enum omap_dss_venc_type type)
{
int l = 0;
@ -767,13 +696,11 @@ int dss_dpi_select_source(enum omap_channel channel)
static int dss_get_clocks(void)
{
struct clk *clk;
int r;
clk = clk_get(&dss.pdev->dev, "fck");
clk = devm_clk_get(&dss.pdev->dev, "fck");
if (IS_ERR(clk)) {
DSSERR("can't get clock fck\n");
r = PTR_ERR(clk);
goto err;
return PTR_ERR(clk);
}
dss.dss_clk = clk;
@ -782,8 +709,7 @@ static int dss_get_clocks(void)
clk = clk_get(NULL, dss.feat->clk_name);
if (IS_ERR(clk)) {
DSSERR("Failed to get %s\n", dss.feat->clk_name);
r = PTR_ERR(clk);
goto err;
return PTR_ERR(clk);
}
} else {
clk = NULL;
@ -792,21 +718,12 @@ static int dss_get_clocks(void)
dss.dpll4_m4_ck = clk;
return 0;
err:
if (dss.dss_clk)
clk_put(dss.dss_clk);
if (dss.dpll4_m4_ck)
clk_put(dss.dpll4_m4_ck);
return r;
}
static void dss_put_clocks(void)
{
if (dss.dpll4_m4_ck)
clk_put(dss.dpll4_m4_ck);
clk_put(dss.dss_clk);
}
static int dss_runtime_get(void)

36
drivers/video/omap2/dss/dss.h
View File

@ -268,8 +268,9 @@ void dss_set_dac_pwrdn_bgz(bool enable);
unsigned long dss_get_dpll4_rate(void);
int dss_calc_clock_rates(struct dss_clock_info *cinfo);
int dss_set_clock_div(struct dss_clock_info *cinfo);
int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
struct dispc_clock_info *dispc_cinfo);
typedef bool (*dss_div_calc_func)(int fckd, unsigned long fck, void *data);
bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data);
/* SDI */
int sdi_init_platform_driver(void) __init;
@ -292,12 +293,21 @@ void dsi_dump_clocks(struct seq_file *s);
void dsi_irq_handler(void);
u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt);
unsigned long dsi_get_pll_clkin(struct platform_device *dsidev);
typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint,
unsigned long pll, void *data);
typedef bool (*dsi_hsdiv_calc_func)(int regm_dispc, unsigned long dispc,
void *data);
bool dsi_hsdiv_calc(struct platform_device *dsidev, unsigned long pll,
unsigned long out_min, dsi_hsdiv_calc_func func, void *data);
bool dsi_pll_calc(struct platform_device *dsidev, unsigned long clkin,
unsigned long pll_min, unsigned long pll_max,
dsi_pll_calc_func func, void *data);
unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev);
int dsi_pll_set_clock_div(struct platform_device *dsidev,
struct dsi_clock_info *cinfo);
int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev,
unsigned long req_pck, struct dsi_clock_info *cinfo,
struct dispc_clock_info *dispc_cinfo);
int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
bool enable_hsdiv);
void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes);
@ -328,14 +338,6 @@ static inline int dsi_pll_set_clock_div(struct platform_device *dsidev,
WARN("%s: DSI not compiled in\n", __func__);
return -ENODEV;
}
static inline int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev,
unsigned long req_pck,
struct dsi_clock_info *dsi_cinfo,
struct dispc_clock_info *dispc_cinfo)
{
WARN("%s: DSI not compiled in\n", __func__);
return -ENODEV;
}
static inline int dsi_pll_init(struct platform_device *dsidev,
bool enable_hsclk, bool enable_hsdiv)
{
@ -376,11 +378,15 @@ void dispc_enable_fifomerge(bool enable);
void dispc_enable_gamma_table(bool enable);
void dispc_set_loadmode(enum omap_dss_load_mode mode);
typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck,
unsigned long pck, void *data);
bool dispc_div_calc(unsigned long dispc,
unsigned long pck_min, unsigned long pck_max,
dispc_div_calc_func func, void *data);
bool dispc_mgr_timings_ok(enum omap_channel channel,
const struct omap_video_timings *timings);
unsigned long dispc_fclk_rate(void);
void dispc_find_clk_divs(unsigned long req_pck, unsigned long fck,
struct dispc_clock_info *cinfo);
int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
struct dispc_clock_info *cinfo);

8
drivers/video/omap2/dss/dss_features.c
View File

@ -414,7 +414,7 @@ static const char * const omap5_dss_clk_source_names[] = {
};
static const struct dss_param_range omap2_dss_param_range[] = {
[FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
[FEAT_PARAM_DSS_FCK] = { 0, 133000000 },
[FEAT_PARAM_DSS_PCD] = { 2, 255 },
[FEAT_PARAM_DSIPLL_REGN] = { 0, 0 },
[FEAT_PARAM_DSIPLL_REGM] = { 0, 0 },
@ -459,15 +459,15 @@ static const struct dss_param_range omap4_dss_param_range[] = {
};
static const struct dss_param_range omap5_dss_param_range[] = {
[FEAT_PARAM_DSS_FCK] = { 0, 200000000 },
[FEAT_PARAM_DSS_FCK] = { 0, 209250000 },
[FEAT_PARAM_DSS_PCD] = { 1, 255 },
[FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 8) - 1 },
[FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 12) - 1 },
[FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 5) - 1 },
[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 },
[FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 },
[FEAT_PARAM_DSIPLL_FINT] = { 150000, 52000000 },
[FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 },
[FEAT_PARAM_DSI_FCK] = { 0, 170000000 },
[FEAT_PARAM_DSI_FCK] = { 0, 209250000 },
[FEAT_PARAM_DOWNSCALE] = { 1, 4 },
[FEAT_PARAM_LINEWIDTH] = { 1, 2048 },
};

35
drivers/video/omap2/dss/hdmi.c
View File

@ -472,17 +472,12 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
* Input clock is predivided by N + 1
* out put of which is reference clk
*/
if (dssdev->clocks.hdmi.regn == 0)
pi->regn = HDMI_DEFAULT_REGN;
else
pi->regn = dssdev->clocks.hdmi.regn;
pi->regn = HDMI_DEFAULT_REGN;
refclk = clkin / pi->regn;
if (dssdev->clocks.hdmi.regm2 == 0)
pi->regm2 = HDMI_DEFAULT_REGM2;
else
pi->regm2 = dssdev->clocks.hdmi.regm2;
pi->regm2 = HDMI_DEFAULT_REGM2;
/*
* multiplier is pixel_clk/ref_clk
@ -804,7 +799,7 @@ static int hdmi_get_clocks(struct platform_device *pdev)
{
struct clk *clk;
clk = clk_get(&pdev->dev, "sys_clk");
clk = devm_clk_get(&pdev->dev, "sys_clk");
if (IS_ERR(clk)) {
DSSERR("can't get sys_clk\n");
return PTR_ERR(clk);
@ -815,12 +810,6 @@ static int hdmi_get_clocks(struct platform_device *pdev)
return 0;
}
static void hdmi_put_clocks(void)
{
if (hdmi.sys_clk)
clk_put(hdmi.sys_clk);
}
#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
int hdmi_compute_acr(u32 sample_freq, u32 *n, u32 *cts)
{
@ -1017,8 +1006,6 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
hdmi.ls_oe_gpio = priv->ls_oe_gpio;
hdmi.hpd_gpio = priv->hpd_gpio;
dssdev->channel = OMAP_DSS_CHANNEL_DIGIT;
r = hdmi_init_display(dssdev);
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
@ -1051,6 +1038,8 @@ static void __init hdmi_init_output(struct platform_device *pdev)
out->pdev = pdev;
out->id = OMAP_DSS_OUTPUT_HDMI;
out->type = OMAP_DISPLAY_TYPE_HDMI;
out->name = "hdmi.0";
out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
dss_register_output(out);
}
@ -1097,23 +1086,19 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
hdmi.ip_data.pll_offset = HDMI_PLLCTRL;
hdmi.ip_data.phy_offset = HDMI_PHY;
hdmi_init_output(pdev);
r = hdmi_panel_init();
if (r) {
DSSERR("can't init panel\n");
goto err_panel_init;
return r;
}
dss_debugfs_create_file("hdmi", hdmi_dump_regs);
hdmi_init_output(pdev);
hdmi_probe_pdata(pdev);
return 0;
err_panel_init:
hdmi_put_clocks();
return r;
}
static int __exit hdmi_remove_child(struct device *dev, void *data)
@ -1135,8 +1120,6 @@ static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
hdmi_put_clocks();
return 0;
}

1
drivers/video/omap2/dss/output.c
View File

@ -113,6 +113,7 @@ struct omap_dss_output *omap_dss_get_output(enum omap_dss_output_id id)
return NULL;
}
EXPORT_SYMBOL(omap_dss_get_output);
static const struct dss_mgr_ops *dss_mgr_ops;

2
drivers/video/omap2/dss/rfbi.c
View File

@ -1025,6 +1025,8 @@ static void __init rfbi_init_output(struct platform_device *pdev)
out->pdev = pdev;
out->id = OMAP_DSS_OUTPUT_DBI;
out->type = OMAP_DISPLAY_TYPE_DBI;
out->name = "rfbi.0";
out->dispc_channel = OMAP_DSS_CHANNEL_LCD;
dss_register_output(out);
}

70
drivers/video/omap2/dss/sdi.c
View File

@ -41,6 +41,72 @@ static struct {
struct omap_dss_output output;
} sdi;
struct sdi_clk_calc_ctx {
unsigned long pck_min, pck_max;
struct dss_clock_info dss_cinfo;
struct dispc_clock_info dispc_cinfo;
};
static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
unsigned long pck, void *data)
{
struct sdi_clk_calc_ctx *ctx = data;
ctx->dispc_cinfo.lck_div = lckd;
ctx->dispc_cinfo.pck_div = pckd;
ctx->dispc_cinfo.lck = lck;
ctx->dispc_cinfo.pck = pck;
return true;
}
static bool dpi_calc_dss_cb(int fckd, unsigned long fck, void *data)
{
struct sdi_clk_calc_ctx *ctx = data;
ctx->dss_cinfo.fck = fck;
ctx->dss_cinfo.fck_div = fckd;
return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
dpi_calc_dispc_cb, ctx);
}
static int sdi_calc_clock_div(unsigned long pclk,
struct dss_clock_info *dss_cinfo,
struct dispc_clock_info *dispc_cinfo)
{
int i;
struct sdi_clk_calc_ctx ctx;
/*
* DSS fclk gives us very few possibilities, so finding a good pixel
* clock may not be possible. We try multiple times to find the clock,
* each time widening the pixel clock range we look for, up to
* +/- 1MHz.
*/
for (i = 0; i < 10; ++i) {
bool ok;
memset(&ctx, 0, sizeof(ctx));
if (pclk > 1000 * i * i * i)
ctx.pck_min = max(pclk - 1000 * i * i * i, 0lu);
else
ctx.pck_min = 0;
ctx.pck_max = pclk + 1000 * i * i * i;
ok = dss_div_calc(ctx.pck_min, dpi_calc_dss_cb, &ctx);
if (ok) {
*dss_cinfo = ctx.dss_cinfo;
*dispc_cinfo = ctx.dispc_cinfo;
return 0;
}
}
return -EINVAL;
}
static void sdi_config_lcd_manager(struct omap_dss_device *dssdev)
{
struct omap_overlay_manager *mgr = dssdev->output->manager;
@ -88,7 +154,7 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
r = dss_calc_clock_div(t->pixel_clock * 1000, &dss_cinfo, &dispc_cinfo);
r = sdi_calc_clock_div(t->pixel_clock * 1000, &dss_cinfo, &dispc_cinfo);
if (r)
goto err_calc_clock_div;
@ -278,6 +344,8 @@ static void __init sdi_init_output(struct platform_device *pdev)
out->pdev = pdev;
out->id = OMAP_DSS_OUTPUT_SDI;
out->type = OMAP_DISPLAY_TYPE_SDI;
out->name = "sdi.0";
out->dispc_channel = OMAP_DSS_CHANNEL_LCD;
dss_register_output(out);
}

14
drivers/video/omap2/dss/venc.c
View File

@ -712,7 +712,7 @@ static int venc_get_clocks(struct platform_device *pdev)
struct clk *clk;
if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) {
clk = clk_get(&pdev->dev, "tv_dac_clk");
clk = devm_clk_get(&pdev->dev, "tv_dac_clk");
if (IS_ERR(clk)) {
DSSERR("can't get tv_dac_clk\n");
return PTR_ERR(clk);
@ -726,12 +726,6 @@ static int venc_get_clocks(struct platform_device *pdev)
return 0;
}
static void venc_put_clocks(void)
{
if (venc.tv_dac_clk)
clk_put(venc.tv_dac_clk);
}
static struct omap_dss_device * __init venc_find_dssdev(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
@ -777,8 +771,6 @@ static void __init venc_probe_pdata(struct platform_device *vencdev)
dss_copy_device_pdata(dssdev, plat_dssdev);
dssdev->channel = OMAP_DSS_CHANNEL_DIGIT;
r = venc_init_display(dssdev);
if (r) {
DSSERR("device %s init failed: %d\n", dssdev->name, r);
@ -810,6 +802,8 @@ static void __init venc_init_output(struct platform_device *pdev)
out->pdev = pdev;
out->id = OMAP_DSS_OUTPUT_VENC;
out->type = OMAP_DISPLAY_TYPE_VENC;
out->name = "venc.0";
out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
dss_register_output(out);
}
@ -877,7 +871,6 @@ static int __init omap_venchw_probe(struct platform_device *pdev)
err_panel_init:
err_runtime_get:
pm_runtime_disable(&pdev->dev);
venc_put_clocks();
return r;
}
@ -895,7 +888,6 @@ static int __exit omap_venchw_remove(struct platform_device *pdev)
venc_uninit_output(pdev);
pm_runtime_disable(&pdev->dev);
venc_put_clocks();
return 0;
}

2
drivers/video/omap2/omapfb/omapfb-main.c
View File

@ -2388,7 +2388,7 @@ static int omapfb_init_connections(struct omapfb2_device *fbdev,
struct omap_dss_device *dssdev = fbdev->displays[i].dssdev;
struct omap_dss_output *out = dssdev->output;
mgr = omap_dss_get_overlay_manager(dssdev->channel);
mgr = omap_dss_get_overlay_manager(out->dispc_channel);
if (!mgr || !out)
continue;

86
include/video/omapdss.h
View File

@ -257,10 +257,31 @@ void rfbi_bus_unlock(void);
/* DSI */
enum omap_dss_dsi_trans_mode {
/* Sync Pulses: both sync start and end packets sent */
OMAP_DSS_DSI_PULSE_MODE,
/* Sync Events: only sync start packets sent */
OMAP_DSS_DSI_EVENT_MODE,
/* Burst: only sync start packets sent, pixels are time compressed */
OMAP_DSS_DSI_BURST_MODE,
};
struct omap_dss_dsi_videomode_timings {
unsigned long hsclk;
unsigned ndl;
unsigned bitspp;
/* pixels */
u16 hact;
/* lines */
u16 vact;
/* DSI video mode blanking data */
/* Unit: byte clock cycles */
u16 hss;
u16 hsa;
u16 hse;
u16 hfp;
u16 hbp;
/* Unit: line clocks */
@ -274,14 +295,24 @@ struct omap_dss_dsi_videomode_timings {
int hbp_blanking_mode;
int hfp_blanking_mode;
/* Video port sync events */
bool vp_vsync_end;
bool vp_hsync_end;
enum omap_dss_dsi_trans_mode trans_mode;
bool ddr_clk_always_on;
int window_sync;
};
struct omap_dss_dsi_config {
enum omap_dss_dsi_mode mode;
enum omap_dss_dsi_pixel_format pixel_format;
const struct omap_video_timings *timings;
unsigned long hs_clk_min, hs_clk_max;
unsigned long lp_clk_min, lp_clk_max;
bool ddr_clk_always_on;
enum omap_dss_dsi_trans_mode trans_mode;
};
void dsi_bus_lock(struct omap_dss_device *dssdev);
void dsi_bus_unlock(struct omap_dss_device *dssdev);
int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
@ -541,9 +572,14 @@ struct omap_dss_writeback_info {
struct omap_dss_output {
struct list_head list;
const char *name;
/* display type supported by the output */
enum omap_display_type type;
/* DISPC channel for this output */
enum omap_channel dispc_channel;
/* output instance */
enum omap_dss_output_id id;
@ -561,6 +597,7 @@ struct omap_dss_device {
enum omap_display_type type;
/* obsolete, to be removed */
enum omap_channel channel;
union {
@ -590,41 +627,11 @@ struct omap_dss_device {
} venc;
} phy;
struct {
struct {
struct {
u16 lck_div;
u16 pck_div;
enum omap_dss_clk_source lcd_clk_src;
} channel;
enum omap_dss_clk_source dispc_fclk_src;
} dispc;
struct {
/* regn is one greater than TRM's REGN value */
u16 regn;
u16 regm;
u16 regm_dispc;
u16 regm_dsi;
u16 lp_clk_div;
enum omap_dss_clk_source dsi_fclk_src;
} dsi;
struct {
/* regn is one greater than TRM's REGN value */
u16 regn;
u16 regm2;
} hdmi;
} clocks;
struct {
struct omap_video_timings timings;
enum omap_dss_dsi_pixel_format dsi_pix_fmt;
enum omap_dss_dsi_mode dsi_mode;
struct omap_dss_dsi_videomode_timings dsi_vm_timings;
} panel;
struct {
@ -829,15 +836,8 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
bool enable);
int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
void omapdss_dsi_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings);
void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h);
void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev,
enum omap_dss_dsi_pixel_format fmt);
void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev,
enum omap_dss_dsi_mode mode);
void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev,
struct omap_dss_dsi_videomode_timings *timings);
int omapdss_dsi_set_config(struct omap_dss_device *dssdev,
const struct omap_dss_dsi_config *config);
int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
void (*callback)(int, void *), void *data);
@ -846,8 +846,6 @@ int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id);
void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel);
int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev,
const struct omap_dsi_pin_config *pin_cfg);
int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev,
unsigned long ddr_clk, unsigned long lp_clk);
int omapdss_dsi_display_enable(struct omap_dss_device *dssdev);
void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,