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author | Arnd Bergmann <arnd@arndb.de> | 2011-10-31 23:17:39 +0100 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-31 23:17:39 +0100 |
commit | 034ee299122c6b145d6d3cafb9ef5c329a4ab990 (patch) | |
tree | 0fb4dba7b72d28e1dc4d3bab1317a9a98302a7a5 /arch/arm/mach-omap2/display.c | |
parent | d6bb0f27709b91e674ce1441e2dd5e68620edf14 (diff) | |
parent | 3e28189038bb831512cf4f8313e1aead97c3e63f (diff) | |
download | op-kernel-dev-034ee299122c6b145d6d3cafb9ef5c329a4ab990.zip op-kernel-dev-034ee299122c6b145d6d3cafb9ef5c329a4ab990.tar.gz |
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.c | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 18693f6..836f0f7 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; |