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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-11 09:24:30 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-11 09:24:30 -0800 |
commit | e0c8453769fcaec654cd5870e84c63175658c842 (patch) | |
tree | e5f114f236689a8db8f44bcecb5c1f1e14462932 /drivers/video/fbdev/omap2/dss/dispc.c | |
parent | a323ae93a74f669d890926187c68c711895e3454 (diff) | |
parent | d6c2152b3efd73be265f426b5a1bb50ec436d999 (diff) | |
download | linux-e0c8453769fcaec654cd5870e84c63175658c842.tar.gz |
Merge tag 'fbdev-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev changes from Tomi Valkeinen: - omapdss: add DRA7xxx SoC support - fbdev: support DMT (Display Monitor Timing) calculation * tag 'fbdev-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (40 commits) omapfb: Return error code when applying overlay settings fails OMAPDSS: DPI: DRA7xx support OMAPDSS: HDMI: Add DRA7xx support OMAPDSS: DISPC: program dispc polarities to control module OMAPDSS: DISPC: Add DRA7xx support OMAPDSS: Add Video PLLs for DRA7xx OMAPDSS: Add functions for external control of PLL OMAPDSS: DSS: Add DRA7xx base support Doc/DT: Add DT binding doc for DRA7xx DSS OMAPDSS: add define for DRA7xx HW version OMAPDSS: encoder-tpd12s015: Fix race issue with LS_OE OMAPDSS: OMAP5: fix digit output's allowed mgrs OMAPDSS: constify port arrays OMAPDSS: PLL: add dss_pll_wait_reset_done() OMAPDSS: Add enum dss_pll_id video: fbdev: fix sys_copyarea video/mmpfb: allow modular build fb: via: turn gpiolib and i2c selects into dependencies fbdev: ssd1307fb: return proper error code if write command fails fbdev: fix CVT vertical front and back porch values ...
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/dispc.c')
-rw-r--r-- | drivers/video/fbdev/omap2/dss/dispc.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c index 9850d9ef9a9d..31b743c70272 100644 --- a/drivers/video/fbdev/omap2/dss/dispc.c +++ b/drivers/video/fbdev/omap2/dss/dispc.c @@ -36,6 +36,9 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/sizes.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -117,6 +120,9 @@ static struct { const struct dispc_features *feat; bool is_enabled; + + struct regmap *syscon_pol; + u32 syscon_pol_offset; } dispc; enum omap_color_component { @@ -2958,6 +2964,25 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw, FLD_VAL(vsync_level, 12, 12); dispc_write_reg(DISPC_POL_FREQ(channel), l); + + if (dispc.syscon_pol) { + const int shifts[] = { + [OMAP_DSS_CHANNEL_LCD] = 0, + [OMAP_DSS_CHANNEL_LCD2] = 1, + [OMAP_DSS_CHANNEL_LCD3] = 2, + }; + + u32 mask, val; + + mask = (1 << 0) | (1 << 3) | (1 << 6); + val = (rf << 0) | (ipc << 3) | (onoff << 6); + + mask <<= 16 + shifts[channel]; + val <<= 16 + shifts[channel]; + + regmap_update_bits(dispc.syscon_pol, dispc.syscon_pol_offset, + mask, val); + } } /* change name to mode? */ @@ -3037,10 +3062,16 @@ unsigned long dispc_fclk_rate(void) break; case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: pll = dss_pll_find("dsi0"); + if (!pll) + pll = dss_pll_find("video0"); + r = pll->cinfo.clkout[0]; break; case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC: pll = dss_pll_find("dsi1"); + if (!pll) + pll = dss_pll_find("video1"); + r = pll->cinfo.clkout[0]; break; default: @@ -3069,10 +3100,16 @@ unsigned long dispc_mgr_lclk_rate(enum omap_channel channel) break; case OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC: pll = dss_pll_find("dsi0"); + if (!pll) + pll = dss_pll_find("video0"); + r = pll->cinfo.clkout[0]; break; case OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC: pll = dss_pll_find("dsi1"); + if (!pll) + pll = dss_pll_find("video1"); + r = pll->cinfo.clkout[0]; break; default: @@ -3668,6 +3705,7 @@ static int __init dispc_init_features(struct platform_device *pdev) break; case OMAPDSS_VER_OMAP5: + case OMAPDSS_VER_DRA7xx: src = &omap54xx_dispc_feats; break; @@ -3728,6 +3766,7 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) u32 rev; int r = 0; struct resource *dispc_mem; + struct device_node *np = pdev->dev.of_node; dispc.pdev = pdev; @@ -3754,6 +3793,20 @@ static int __init omap_dispchw_probe(struct platform_device *pdev) return -ENODEV; } + if (np && of_property_read_bool(np, "syscon-pol")) { + dispc.syscon_pol = syscon_regmap_lookup_by_phandle(np, "syscon-pol"); + if (IS_ERR(dispc.syscon_pol)) { + dev_err(&pdev->dev, "failed to get syscon-pol regmap\n"); + return PTR_ERR(dispc.syscon_pol); + } + + if (of_property_read_u32_index(np, "syscon-pol", 1, + &dispc.syscon_pol_offset)) { + dev_err(&pdev->dev, "failed to get syscon-pol offset\n"); + return -EINVAL; + } + } + pm_runtime_enable(&pdev->dev); r = dispc_runtime_get(); @@ -3832,6 +3885,7 @@ static const struct of_device_id dispc_of_match[] = { { .compatible = "ti,omap3-dispc", }, { .compatible = "ti,omap4-dispc", }, { .compatible = "ti,omap5-dispc", }, + { .compatible = "ti,dra7-dispc", }, {}, }; |