diff options
Diffstat (limited to 'drivers/video/omap2/dss')
| -rw-r--r-- | drivers/video/omap2/dss/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/Makefile | 3 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/core.c | 85 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/display.c | 9 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.c | 24 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 50 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/manager.c | 21 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/sdi.c | 26 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/venc.c | 15 |
9 files changed, 174 insertions, 65 deletions
diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig index 87afb81b2c44..43b64403eaa4 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 980c72c2db98..d71b5d9d71b1 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 7ebe50b335ed..b3a498f22d36 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 6a74ea116d29..ef8c8529dda2 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 54344184dd73..24b18258654f 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 24326a5fd292..786f433fd571 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 0820986d4a68..9e1fbe531bf0 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 12eb4042dd82..ee07a3cc22ef 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 f0ba5732d84a..eff35050e28a 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); |