summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/display.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2011-11-01 02:17:39 +0400
committerArnd Bergmann <arnd@arndb.de>2011-11-01 02:17:39 +0400
commit034ee299122c6b145d6d3cafb9ef5c329a4ab990 (patch)
tree0fb4dba7b72d28e1dc4d3bab1317a9a98302a7a5 /arch/arm/mach-omap2/display.c
parentd6bb0f27709b91e674ce1441e2dd5e68620edf14 (diff)
parent3e28189038bb831512cf4f8313e1aead97c3e63f (diff)
downloadlinux-034ee299122c6b145d6d3cafb9ef5c329a4ab990.tar.xz
Merge branch 'depends/omap2_dss' into next/cleanup
Omap cleanups conflicted with omap2_dss work in a nontrivial way, this is the most logical fixup. Conflicts: arch/arm/mach-omap2/board-2430sdp.c arch/arm/mach-omap2/board-4430sdp.c arch/arm/mach-omap2/board-apollon.c arch/arm/mach-omap2/board-h4.c arch/arm/mach-omap2/board-ldp.c arch/arm/mach-omap2/board-rx51.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-omap2/display.c')
-rw-r--r--arch/arm/mach-omap2/display.c60
1 files changed, 57 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 18693f6de041..836f0f7d8c00 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -27,6 +27,8 @@
#include <plat/omap_device.h>
#include <plat/omap-pm.h>
+#include "control.h"
+
static struct platform_device omap_display_device = {
.name = "omapdss",
.id = -1,
@@ -61,7 +63,7 @@ static const struct omap_dss_hwmod_data omap3_dss_hwmod_data[] __initdata = {
{ "dss_dispc", "omapdss_dispc", -1 },
{ "dss_rfbi", "omapdss_rfbi", -1 },
{ "dss_venc", "omapdss_venc", -1 },
- { "dss_dsi1", "omapdss_dsi1", -1 },
+ { "dss_dsi1", "omapdss_dsi", 0 },
};
static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = {
@@ -69,11 +71,58 @@ static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = {
{ "dss_dispc", "omapdss_dispc", -1 },
{ "dss_rfbi", "omapdss_rfbi", -1 },
{ "dss_venc", "omapdss_venc", -1 },
- { "dss_dsi1", "omapdss_dsi1", -1 },
- { "dss_dsi2", "omapdss_dsi2", -1 },
+ { "dss_dsi1", "omapdss_dsi", 0 },
+ { "dss_dsi2", "omapdss_dsi", 1 },
{ "dss_hdmi", "omapdss_hdmi", -1 },
};
+static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
+{
+ u32 enable_mask, enable_shift;
+ u32 pipd_mask, pipd_shift;
+ u32 reg;
+
+ if (dsi_id == 0) {
+ enable_mask = OMAP4_DSI1_LANEENABLE_MASK;
+ enable_shift = OMAP4_DSI1_LANEENABLE_SHIFT;
+ pipd_mask = OMAP4_DSI1_PIPD_MASK;
+ pipd_shift = OMAP4_DSI1_PIPD_SHIFT;
+ } else if (dsi_id == 1) {
+ enable_mask = OMAP4_DSI2_LANEENABLE_MASK;
+ enable_shift = OMAP4_DSI2_LANEENABLE_SHIFT;
+ pipd_mask = OMAP4_DSI2_PIPD_MASK;
+ pipd_shift = OMAP4_DSI2_PIPD_SHIFT;
+ } else {
+ return -ENODEV;
+ }
+
+ reg = omap4_ctrl_pad_readl(OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+
+ reg &= ~enable_mask;
+ reg &= ~pipd_mask;
+
+ reg |= (lanes << enable_shift) & enable_mask;
+ reg |= (lanes << pipd_shift) & pipd_mask;
+
+ omap4_ctrl_pad_writel(reg, OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_DSIPHY);
+
+ return 0;
+}
+
+static int omap_dsi_enable_pads(int dsi_id, unsigned lane_mask)
+{
+ if (cpu_is_omap44xx())
+ return omap4_dsi_mux_pads(dsi_id, lane_mask);
+
+ return 0;
+}
+
+static void omap_dsi_disable_pads(int dsi_id, unsigned lane_mask)
+{
+ if (cpu_is_omap44xx())
+ omap4_dsi_mux_pads(dsi_id, 0);
+}
+
int __init omap_display_init(struct omap_dss_board_info *board_data)
{
int r = 0;
@@ -96,6 +145,11 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
oh_count = ARRAY_SIZE(omap4_dss_hwmod_data);
}
+ if (board_data->dsi_enable_pads == NULL)
+ board_data->dsi_enable_pads = omap_dsi_enable_pads;
+ if (board_data->dsi_disable_pads == NULL)
+ board_data->dsi_disable_pads = omap_dsi_disable_pads;
+
pdata.board_data = board_data;
pdata.board_data->get_context_loss_count =
omap_pm_get_dev_context_loss_count;