提交 3c07cae2 编写于 作者: T Tomi Valkeinen

OMAP: DSS2: Add Color Phase Rotation support

Add Color Phase Rotation (CPR) support and sysfs files to enable CPR and
to set the CPR coefficient matrix.

CPR is enabled via manager?/cpr_enable file, and the coefficient matrix
is set via manager?/cpr_coef file. The values in cpr_coef are in the
following order:

RR RG RB GR GG GB BR BG BB
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>
上级 4df9d104
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -1034,6 +1034,40 @@ void dispc_enable_gamma_table(bool enable)
REG_FLD_MOD(DISPC_CONFIG, enable, 9, 9);
}
void dispc_enable_cpr(enum omap_channel channel, bool enable)
{
u16 reg;
if (channel == OMAP_DSS_CHANNEL_LCD)
reg = DISPC_CONFIG;
else if (channel == OMAP_DSS_CHANNEL_LCD2)
reg = DISPC_CONFIG2;
else
return;
REG_FLD_MOD(reg, enable, 15, 15);
}
void dispc_set_cpr_coef(enum omap_channel channel,
struct omap_dss_cpr_coefs *coefs)
{
u32 coef_r, coef_g, coef_b;
if (channel != OMAP_DSS_CHANNEL_LCD && channel != OMAP_DSS_CHANNEL_LCD2)
return;
coef_r = FLD_VAL(coefs->rr, 31, 22) | FLD_VAL(coefs->rg, 20, 11) |
FLD_VAL(coefs->rb, 9, 0);
coef_g = FLD_VAL(coefs->gr, 31, 22) | FLD_VAL(coefs->gg, 20, 11) |
FLD_VAL(coefs->gb, 9, 0);
coef_b = FLD_VAL(coefs->br, 31, 22) | FLD_VAL(coefs->bg, 20, 11) |
FLD_VAL(coefs->bb, 9, 0);
dispc_write_reg(DISPC_CPR_COEF_R(channel), coef_r);
dispc_write_reg(DISPC_CPR_COEF_G(channel), coef_g);
dispc_write_reg(DISPC_CPR_COEF_B(channel), coef_b);
}
static void _dispc_set_vid_color_conv(enum omap_plane plane, bool enable)
{
u32 val;
......
......@@ -402,6 +402,9 @@ void dispc_setup_plane_fifo(enum omap_plane plane, u32 low, u32 high);
void dispc_enable_fifomerge(bool enable);
void dispc_set_burst_size(enum omap_plane plane,
enum omap_burst_size burst_size);
void dispc_enable_cpr(enum omap_channel channel, bool enable);
void dispc_set_cpr_coef(enum omap_channel channel,
struct omap_dss_cpr_coefs *coefs);
void dispc_set_plane_ba0(enum omap_plane plane, u32 paddr);
void dispc_set_plane_ba1(enum omap_plane plane, u32 paddr);
......
......@@ -275,6 +275,108 @@ static ssize_t manager_alpha_blending_enabled_store(
return size;
}
static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", mgr->info.cpr_enable);
}
static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
const char *buf, size_t size)
{
struct omap_overlay_manager_info info;
int v;
int r;
bool enable;
if (!dss_has_feature(FEAT_CPR))
return -ENODEV;
r = kstrtoint(buf, 0, &v);
if (r)
return r;
enable = !!v;
mgr->get_manager_info(mgr, &info);
if (info.cpr_enable == enable)
return size;
info.cpr_enable = enable;
r = mgr->set_manager_info(mgr, &info);
if (r)
return r;
r = mgr->apply(mgr);
if (r)
return r;
return size;
}
static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
char *buf)
{
struct omap_overlay_manager_info info;
mgr->get_manager_info(mgr, &info);
return snprintf(buf, PAGE_SIZE,
"%d %d %d %d %d %d %d %d %d\n",
info.cpr_coefs.rr,
info.cpr_coefs.rg,
info.cpr_coefs.rb,
info.cpr_coefs.gr,
info.cpr_coefs.gg,
info.cpr_coefs.gb,
info.cpr_coefs.br,
info.cpr_coefs.bg,
info.cpr_coefs.bb);
}
static ssize_t manager_cpr_coef_store(struct omap_overlay_manager *mgr,
const char *buf, size_t size)
{
struct omap_overlay_manager_info info;
struct omap_dss_cpr_coefs coefs;
int r, i;
s16 *arr;
if (!dss_has_feature(FEAT_CPR))
return -ENODEV;
if (sscanf(buf, "%hd %hd %hd %hd %hd %hd %hd %hd %hd",
&coefs.rr, &coefs.rg, &coefs.rb,
&coefs.gr, &coefs.gg, &coefs.gb,
&coefs.br, &coefs.bg, &coefs.bb) != 9)
return -EINVAL;
arr = (s16[]){ coefs.rr, coefs.rg, coefs.rb,
coefs.gr, coefs.gg, coefs.gb,
coefs.br, coefs.bg, coefs.bb };
for (i = 0; i < 9; ++i) {
if (arr[i] < -512 || arr[i] > 511)
return -EINVAL;
}
mgr->get_manager_info(mgr, &info);
info.cpr_coefs = coefs;
r = mgr->set_manager_info(mgr, &info);
if (r)
return r;
r = mgr->apply(mgr);
if (r)
return r;
return size;
}
struct manager_attribute {
struct attribute attr;
ssize_t (*show)(struct omap_overlay_manager *, char *);
......@@ -300,6 +402,12 @@ static MANAGER_ATTR(trans_key_enabled, S_IRUGO|S_IWUSR,
static MANAGER_ATTR(alpha_blending_enabled, S_IRUGO|S_IWUSR,
manager_alpha_blending_enabled_show,
manager_alpha_blending_enabled_store);
static MANAGER_ATTR(cpr_enable, S_IRUGO|S_IWUSR,
manager_cpr_enable_show,
manager_cpr_enable_store);
static MANAGER_ATTR(cpr_coef, S_IRUGO|S_IWUSR,
manager_cpr_coef_show,
manager_cpr_coef_store);
static struct attribute *manager_sysfs_attrs[] = {
......@@ -310,6 +418,8 @@ static struct attribute *manager_sysfs_attrs[] = {
&manager_attr_trans_key_value.attr,
&manager_attr_trans_key_enabled.attr,
&manager_attr_alpha_blending_enabled.attr,
&manager_attr_cpr_enable.attr,
&manager_attr_cpr_coef.attr,
NULL
};
......@@ -858,6 +968,10 @@ static void configure_manager(enum omap_channel channel)
dispc_set_trans_key(channel, mi->trans_key_type, mi->trans_key);
dispc_enable_trans_key(channel, mi->trans_enabled);
dispc_enable_alpha_blending(channel, mi->alpha_enabled);
if (dss_has_feature(FEAT_CPR)) {
dispc_enable_cpr(channel, mi->cpr_enable);
dispc_set_cpr_coef(channel, &mi->cpr_coefs);
}
}
/* configure_dispc() tries to write values from cache to shadow registers.
......
......@@ -292,6 +292,12 @@ extern const struct omap_video_timings omap_dss_pal_timings;
extern const struct omap_video_timings omap_dss_ntsc_timings;
#endif
struct omap_dss_cpr_coefs {
s16 rr, rg, rb;
s16 gr, gg, gb;
s16 br, bg, bb;
};
struct omap_overlay_info {
bool enabled;
......@@ -351,6 +357,9 @@ struct omap_overlay_manager_info {
bool trans_enabled;
bool alpha_enabled;
bool cpr_enable;
struct omap_dss_cpr_coefs cpr_coefs;
};
struct omap_overlay_manager {
......
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