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path: root/drivers/video/omap2/dss/venc.c
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Diffstat (limited to 'drivers/video/omap2/dss/venc.c')
-rw-r--r--drivers/video/omap2/dss/venc.c128
1 files changed, 85 insertions, 43 deletions
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index eff35050e28..8e35a5bae42 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -39,8 +39,6 @@
#include "dss.h"
-#define VENC_BASE 0x48050C00
-
/* Venc registers */
#define VENC_REV_ID 0x00
#define VENC_STATUS 0x04
@@ -289,6 +287,7 @@ const struct omap_video_timings omap_dss_ntsc_timings = {
EXPORT_SYMBOL(omap_dss_ntsc_timings);
static struct {
+ struct platform_device *pdev;
void __iomem *base;
struct mutex venc_lock;
u32 wss_data;
@@ -381,11 +380,11 @@ static void venc_reset(void)
static void venc_enable_clocks(int enable)
{
if (enable)
- dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M |
- DSS_CLK_96M);
+ dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK |
+ DSS_CLK_VIDFCK);
else
- dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M |
- DSS_CLK_96M);
+ dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK |
+ DSS_CLK_VIDFCK);
}
static const struct venc_config *venc_timings_to_config(
@@ -641,50 +640,23 @@ static struct omap_dss_driver venc_driver = {
};
/* driver end */
-
-
-int venc_init(struct platform_device *pdev)
+int venc_init_display(struct omap_dss_device *dssdev)
{
- u8 rev_id;
+ DSSDBG("init_display\n");
- mutex_init(&venc.venc_lock);
+ if (venc.vdda_dac_reg == NULL) {
+ struct regulator *vdda_dac;
- venc.wss_data = 0;
+ vdda_dac = regulator_get(&venc.pdev->dev, "vdda_dac");
- venc.base = ioremap(VENC_BASE, SZ_1K);
- if (!venc.base) {
- DSSERR("can't ioremap VENC\n");
- return -ENOMEM;
- }
+ if (IS_ERR(vdda_dac)) {
+ DSSERR("can't get VDDA_DAC regulator\n");
+ return PTR_ERR(vdda_dac);
+ }
- venc.vdda_dac_reg = dss_get_vdda_dac();
- if (IS_ERR(venc.vdda_dac_reg)) {
- iounmap(venc.base);
- DSSERR("can't get VDDA_DAC regulator\n");
- return PTR_ERR(venc.vdda_dac_reg);
+ venc.vdda_dac_reg = vdda_dac;
}
- venc_enable_clocks(1);
-
- rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
- printk(KERN_INFO "OMAP VENC rev %d\n", rev_id);
-
- venc_enable_clocks(0);
-
- return omap_dss_register_driver(&venc_driver);
-}
-
-void venc_exit(void)
-{
- omap_dss_unregister_driver(&venc_driver);
-
- iounmap(venc.base);
-}
-
-int venc_init_display(struct omap_dss_device *dssdev)
-{
- DSSDBG("init_display\n");
-
return 0;
}
@@ -740,3 +712,73 @@ void venc_dump_regs(struct seq_file *s)
#undef DUMPREG
}
+
+/* VENC HW IP initialisation */
+static int omap_venchw_probe(struct platform_device *pdev)
+{
+ u8 rev_id;
+ struct resource *venc_mem;
+
+ venc.pdev = pdev;
+
+ mutex_init(&venc.venc_lock);
+
+ venc.wss_data = 0;
+
+ venc_mem = platform_get_resource(venc.pdev, IORESOURCE_MEM, 0);
+ if (!venc_mem) {
+ DSSERR("can't get IORESOURCE_MEM VENC\n");
+ return -EINVAL;
+ }
+ venc.base = ioremap(venc_mem->start, resource_size(venc_mem));
+ if (!venc.base) {
+ DSSERR("can't ioremap VENC\n");
+ return -ENOMEM;
+ }
+
+ venc_enable_clocks(1);
+
+ rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
+ dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id);
+
+ venc_enable_clocks(0);
+
+ return omap_dss_register_driver(&venc_driver);
+}
+
+static int omap_venchw_remove(struct platform_device *pdev)
+{
+ if (venc.vdda_dac_reg != NULL) {
+ regulator_put(venc.vdda_dac_reg);
+ venc.vdda_dac_reg = NULL;
+ }
+ omap_dss_unregister_driver(&venc_driver);
+
+ iounmap(venc.base);
+ return 0;
+}
+
+static struct platform_driver omap_venchw_driver = {
+ .probe = omap_venchw_probe,
+ .remove = omap_venchw_remove,
+ .driver = {
+ .name = "omapdss_venc",
+ .owner = THIS_MODULE,
+ },
+};
+
+int venc_init_platform_driver(void)
+{
+ if (cpu_is_omap44xx())
+ return 0;
+
+ return platform_driver_register(&omap_venchw_driver);
+}
+
+void venc_uninit_platform_driver(void)
+{
+ if (cpu_is_omap44xx())
+ return;
+
+ return platform_driver_unregister(&omap_venchw_driver);
+}