aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/omap2/dss
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/omap2/dss')
-rw-r--r--drivers/video/omap2/dss/Kconfig6
-rw-r--r--drivers/video/omap2/dss/Makefile3
-rw-r--r--drivers/video/omap2/dss/core.c85
-rw-r--r--drivers/video/omap2/dss/display.c9
-rw-r--r--drivers/video/omap2/dss/dss.c24
-rw-r--r--drivers/video/omap2/dss/dss.h50
-rw-r--r--drivers/video/omap2/dss/manager.c21
-rw-r--r--drivers/video/omap2/dss/sdi.c26
-rw-r--r--drivers/video/omap2/dss/venc.c15
9 files changed, 174 insertions, 65 deletions
diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index 87afb81..43b6440 100644
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -36,6 +36,12 @@ config OMAP2_DSS_COLLECT_IRQ_STATS
<debugfs>/omapdss/dispc_irq for DISPC interrupts, and
<debugfs>/omapdss/dsi_irq for DSI interrupts.
+config OMAP2_DSS_DPI
+ bool "DPI support"
+ default y
+ help
+ DPI Interface. This is the Parallel Display Interface.
+
config OMAP2_DSS_RFBI
bool "RFBI support"
default n
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index 980c72c..d71b5d9 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -1,5 +1,6 @@
obj-$(CONFIG_OMAP2_DSS) += omapdss.o
-omapdss-y := core.o dss.o dispc.o dpi.o display.o manager.o overlay.o
+omapdss-y := core.o dss.o dispc.o display.o manager.o overlay.o
+omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
omapdss-$(CONFIG_OMAP2_DSS_RFBI) += rfbi.o
omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 7ebe50b..b3a498f 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -482,6 +482,14 @@ static void dss_uninitialize_debugfs(void)
if (dss_debugfs_dir)
debugfs_remove_recursive(dss_debugfs_dir);
}
+#else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
+static inline int dss_initialize_debugfs(void)
+{
+ return 0;
+}
+static inline void dss_uninitialize_debugfs(void)
+{
+}
#endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
/* PLATFORM DEVICE */
@@ -499,7 +507,7 @@ static int omap_dss_probe(struct platform_device *pdev)
r = dss_get_clocks();
if (r)
- goto fail0;
+ goto err_clocks;
dss_clk_enable_all_no_ctx();
@@ -515,64 +523,64 @@ static int omap_dss_probe(struct platform_device *pdev)
r = dss_init(skip_init);
if (r) {
DSSERR("Failed to initialize DSS\n");
- goto fail0;
+ goto err_dss;
}
-#ifdef CONFIG_OMAP2_DSS_RFBI
r = rfbi_init();
if (r) {
DSSERR("Failed to initialize rfbi\n");
- goto fail0;
+ goto err_rfbi;
}
-#endif
r = dpi_init(pdev);
if (r) {
DSSERR("Failed to initialize dpi\n");
- goto fail0;
+ goto err_dpi;
}
r = dispc_init();
if (r) {
DSSERR("Failed to initialize dispc\n");
- goto fail0;
+ goto err_dispc;
}
-#ifdef CONFIG_OMAP2_DSS_VENC
+
r = venc_init(pdev);
if (r) {
DSSERR("Failed to initialize venc\n");
- goto fail0;
+ goto err_venc;
}
-#endif
+
if (cpu_is_omap34xx()) {
-#ifdef CONFIG_OMAP2_DSS_SDI
r = sdi_init(skip_init);
if (r) {
DSSERR("Failed to initialize SDI\n");
- goto fail0;
+ goto err_sdi;
}
-#endif
-#ifdef CONFIG_OMAP2_DSS_DSI
+
r = dsi_init(pdev);
if (r) {
DSSERR("Failed to initialize DSI\n");
- goto fail0;
+ goto err_dsi;
}
-#endif
}
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
r = dss_initialize_debugfs();
if (r)
- goto fail0;
-#endif
+ goto err_debugfs;
for (i = 0; i < pdata->num_devices; ++i) {
struct omap_dss_device *dssdev = pdata->devices[i];
r = omap_dss_register_device(dssdev);
- if (r)
- DSSERR("device reg failed %d\n", i);
+ if (r) {
+ DSSERR("device %d %s register failed %d\n", i,
+ dssdev->name ?: "unnamed", r);
+
+ while (--i >= 0)
+ omap_dss_unregister_device(pdata->devices[i]);
+
+ goto err_register;
+ }
if (def_disp_name && strcmp(def_disp_name, dssdev->name) == 0)
pdata->default_device = dssdev;
@@ -582,8 +590,29 @@ static int omap_dss_probe(struct platform_device *pdev)
return 0;
- /* XXX fail correctly */
-fail0:
+err_register:
+ dss_uninitialize_debugfs();
+err_debugfs:
+ if (cpu_is_omap34xx())
+ dsi_exit();
+err_dsi:
+ if (cpu_is_omap34xx())
+ sdi_exit();
+err_sdi:
+ venc_exit();
+err_venc:
+ dispc_exit();
+err_dispc:
+ dpi_exit();
+err_dpi:
+ rfbi_exit();
+err_rfbi:
+ dss_exit();
+err_dss:
+ dss_clk_disable_all_no_ctx();
+ dss_put_clocks();
+err_clocks:
+
return r;
}
@@ -593,25 +622,15 @@ static int omap_dss_remove(struct platform_device *pdev)
int i;
int c;
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
dss_uninitialize_debugfs();
-#endif
-#ifdef CONFIG_OMAP2_DSS_VENC
venc_exit();
-#endif
dispc_exit();
dpi_exit();
-#ifdef CONFIG_OMAP2_DSS_RFBI
rfbi_exit();
-#endif
if (cpu_is_omap34xx()) {
-#ifdef CONFIG_OMAP2_DSS_DSI
dsi_exit();
-#endif
-#ifdef CONFIG_OMAP2_DSS_SDI
sdi_exit();
-#endif
}
dss_exit();
diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c
index 6a74ea1..ef8c852 100644
--- a/drivers/video/omap2/dss/display.c
+++ b/drivers/video/omap2/dss/display.c
@@ -392,7 +392,9 @@ void dss_init_device(struct platform_device *pdev,
int r;
switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
case OMAP_DISPLAY_TYPE_DPI:
+#endif
#ifdef CONFIG_OMAP2_DSS_RFBI
case OMAP_DISPLAY_TYPE_DBI:
#endif
@@ -413,9 +415,11 @@ void dss_init_device(struct platform_device *pdev,
}
switch (dssdev->type) {
+#ifdef CONFIG_OMAP2_DSS_DPI
case OMAP_DISPLAY_TYPE_DPI:
r = dpi_init_display(dssdev);
break;
+#endif
#ifdef CONFIG_OMAP2_DSS_RFBI
case OMAP_DISPLAY_TYPE_DBI:
r = rfbi_init_display(dssdev);
@@ -541,7 +545,10 @@ int dss_resume_all_devices(void)
static int dss_disable_device(struct device *dev, void *data)
{
struct omap_dss_device *dssdev = to_dss_device(dev);
- dssdev->driver->disable(dssdev);
+
+ if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
+ dssdev->driver->disable(dssdev);
+
return 0;
}
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 5434418..24b1825 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -223,7 +223,13 @@ void dss_dump_clocks(struct seq_file *s)
seq_printf(s, "dpll4_ck %lu\n", dpll4_ck_rate);
- seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
+ if (cpu_is_omap3630())
+ seq_printf(s, "dss1_alwon_fclk = %lu / %lu = %lu\n",
+ dpll4_ck_rate,
+ dpll4_ck_rate / dpll4_m4_ck_rate,
+ dss_clk_get_rate(DSS_CLK_FCK1));
+ else
+ seq_printf(s, "dss1_alwon_fclk = %lu / %lu * 2 = %lu\n",
dpll4_ck_rate,
dpll4_ck_rate / dpll4_m4_ck_rate,
dss_clk_get_rate(DSS_CLK_FCK1));
@@ -293,7 +299,8 @@ int dss_calc_clock_rates(struct dss_clock_info *cinfo)
{
unsigned long prate;
- if (cinfo->fck_div > 16 || cinfo->fck_div == 0)
+ if (cinfo->fck_div > (cpu_is_omap3630() ? 32 : 16) ||
+ cinfo->fck_div == 0)
return -EINVAL;
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
@@ -329,7 +336,10 @@ int dss_get_clock_div(struct dss_clock_info *cinfo)
if (cpu_is_omap34xx()) {
unsigned long prate;
prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
- cinfo->fck_div = prate / (cinfo->fck / 2);
+ if (cpu_is_omap3630())
+ cinfo->fck_div = prate / (cinfo->fck);
+ else
+ cinfo->fck_div = prate / (cinfo->fck / 2);
} else {
cinfo->fck_div = 0;
}
@@ -402,10 +412,14 @@ retry:
goto found;
} else if (cpu_is_omap34xx()) {
- for (fck_div = 16; fck_div > 0; --fck_div) {
+ for (fck_div = (cpu_is_omap3630() ? 32 : 16);
+ fck_div > 0; --fck_div) {
struct dispc_clock_info cur_dispc;
- fck = prate / fck_div * 2;
+ if (cpu_is_omap3630())
+ fck = prate / fck_div;
+ else
+ fck = prate / fck_div * 2;
if (fck > DISPC_MAX_FCK)
continue;
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 24326a5..786f433 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -242,11 +242,22 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck,
struct dispc_clock_info *dispc_cinfo);
/* SDI */
+#ifdef CONFIG_OMAP2_DSS_SDI
int sdi_init(bool skip_init);
void sdi_exit(void);
int sdi_init_display(struct omap_dss_device *display);
+#else
+static inline int sdi_init(bool skip_init)
+{
+ return 0;
+}
+static inline void sdi_exit(void)
+{
+}
+#endif
/* DSI */
+#ifdef CONFIG_OMAP2_DSS_DSI
int dsi_init(struct platform_device *pdev);
void dsi_exit(void);
@@ -270,11 +281,30 @@ void dsi_pll_uninit(void);
void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, enum omap_burst_size *burst_size,
u32 *fifo_low, u32 *fifo_high);
+#else
+static inline int dsi_init(struct platform_device *pdev)
+{
+ return 0;
+}
+static inline void dsi_exit(void)
+{
+}
+#endif
/* DPI */
+#ifdef CONFIG_OMAP2_DSS_DPI
int dpi_init(struct platform_device *pdev);
void dpi_exit(void);
int dpi_init_display(struct omap_dss_device *dssdev);
+#else
+static inline int dpi_init(struct platform_device *pdev)
+{
+ return 0;
+}
+static inline void dpi_exit(void)
+{
+}
+#endif
/* DISPC */
int dispc_init(void);
@@ -362,12 +392,23 @@ int dispc_get_clock_div(struct dispc_clock_info *cinfo);
/* VENC */
+#ifdef CONFIG_OMAP2_DSS_VENC
int venc_init(struct platform_device *pdev);
void venc_exit(void);
void venc_dump_regs(struct seq_file *s);
int venc_init_display(struct omap_dss_device *display);
+#else
+static inline int venc_init(struct platform_device *pdev)
+{
+ return 0;
+}
+static inline void venc_exit(void)
+{
+}
+#endif
/* RFBI */
+#ifdef CONFIG_OMAP2_DSS_RFBI
int rfbi_init(void);
void rfbi_exit(void);
void rfbi_dump_regs(struct seq_file *s);
@@ -379,6 +420,15 @@ void rfbi_transfer_area(u16 width, u16 height,
void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t);
unsigned long rfbi_get_max_tx_rate(void);
int rfbi_init_display(struct omap_dss_device *display);
+#else
+static inline int rfbi_init(void)
+{
+ return 0;
+}
+static inline void rfbi_exit(void)
+{
+}
+#endif
#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 0820986..9e1fbe5 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -843,6 +843,7 @@ static void configure_manager(enum omap_channel channel)
c = &dss_cache.manager_cache[channel];
+ dispc_set_default_color(channel, c->default_color);
dispc_set_trans_key(channel, c->trans_key_type, c->trans_key);
dispc_enable_trans_key(channel, c->trans_enabled);
dispc_enable_alpha_blending(channel, c->alpha_enabled);
@@ -940,6 +941,22 @@ static int configure_dispc(void)
return r;
}
+/* Make the coordinates even. There are some strange problems with OMAP and
+ * partial DSI update when the update widths are odd. */
+static void make_even(u16 *x, u16 *w)
+{
+ u16 x1, x2;
+
+ x1 = *x;
+ x2 = *x + *w;
+
+ x1 &= ~1;
+ x2 = ALIGN(x2, 2);
+
+ *x = x1;
+ *w = x2 - x1;
+}
+
/* Configure dispc for partial update. Return possibly modified update
* area */
void dss_setup_partial_planes(struct omap_dss_device *dssdev,
@@ -968,6 +985,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
return;
}
+ make_even(&x, &w);
+
spin_lock_irqsave(&dss_cache.lock, flags);
/* We need to show the whole overlay if it is scaled. So look for
@@ -1029,6 +1048,8 @@ void dss_setup_partial_planes(struct omap_dss_device *dssdev,
w = x2 - x1;
h = y2 - y1;
+ make_even(&x, &w);
+
DSSDBG("changing upd area due to ovl(%d) scaling %d,%d %dx%d\n",
i, x, y, w, h);
}
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 12eb404..ee07a3c 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -23,13 +23,16 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
+#include <linux/regulator/consumer.h>
#include <plat/display.h>
+#include <plat/cpu.h>
#include "dss.h"
static struct {
bool skip_init;
bool update_enabled;
+ struct regulator *vdds_sdi_reg;
} sdi;
static void sdi_basic_init(void)
@@ -57,6 +60,10 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
goto err0;
}
+ r = regulator_enable(sdi.vdds_sdi_reg);
+ if (r)
+ goto err1;
+
/* In case of skip_init sdi_init has already enabled the clocks */
if (!sdi.skip_init)
dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
@@ -115,19 +122,12 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
dssdev->manager->enable(dssdev->manager);
- if (dssdev->driver->enable) {
- r = dssdev->driver->enable(dssdev);
- if (r)
- goto err3;
- }
-
sdi.skip_init = 0;
return 0;
-err3:
- dssdev->manager->disable(dssdev->manager);
err2:
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
+ regulator_disable(sdi.vdds_sdi_reg);
err1:
omap_dss_stop_device(dssdev);
err0:
@@ -137,15 +137,14 @@ EXPORT_SYMBOL(omapdss_sdi_display_enable);
void omapdss_sdi_display_disable(struct omap_dss_device *dssdev)
{
- if (dssdev->driver->disable)
- dssdev->driver->disable(dssdev);
-
dssdev->manager->disable(dssdev->manager);
dss_sdi_disable();
dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
+ regulator_disable(sdi.vdds_sdi_reg);
+
omap_dss_stop_device(dssdev);
}
EXPORT_SYMBOL(omapdss_sdi_display_disable);
@@ -162,6 +161,11 @@ int sdi_init(bool skip_init)
/* we store this for first display enable, then clear it */
sdi.skip_init = skip_init;
+ sdi.vdds_sdi_reg = dss_get_vdds_sdi();
+ if (IS_ERR(sdi.vdds_sdi_reg)) {
+ DSSERR("can't get VDDS_SDI regulator\n");
+ return PTR_ERR(sdi.vdds_sdi_reg);
+ }
/*
* Enable clocks already here, otherwise there would be a toggle
* of them until sdi_display_enable is called.
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index f0ba573..eff3505 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -479,12 +479,6 @@ static int venc_panel_enable(struct omap_dss_device *dssdev)
goto err1;
}
- if (dssdev->platform_enable) {
- r = dssdev->platform_enable(dssdev);
- if (r)
- goto err2;
- }
-
venc_power_on(dssdev);
venc.wss_data = 0;
@@ -494,13 +488,9 @@ static int venc_panel_enable(struct omap_dss_device *dssdev)
/* wait couple of vsyncs until enabling the LCD */
msleep(50);
- mutex_unlock(&venc.venc_lock);
-
- return r;
-err2:
- venc_power_off(dssdev);
err1:
mutex_unlock(&venc.venc_lock);
+
return r;
}
@@ -524,9 +514,6 @@ static void venc_panel_disable(struct omap_dss_device *dssdev)
/* wait at least 5 vsyncs after disabling the LCD */
msleep(100);
- if (dssdev->platform_disable)
- dssdev->platform_disable(dssdev);
-
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
end:
mutex_unlock(&venc.venc_lock);
generated by cgit v1.1 at 2024-09-08 04:45:22 +0000