diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dispc.c')
-rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dispc.c | 228 |
1 files changed, 97 insertions, 131 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 535240fba671..c839f6456db2 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -75,7 +75,7 @@ struct dispc_features { unsigned long max_lcd_pclk; unsigned long max_tv_pclk; int (*calc_scaling) (unsigned long pclk, unsigned long lclk, - const struct omap_video_timings *mgr_timings, + const struct videomode *vm, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode, bool *five_taps, int *x_predecim, int *y_predecim, int *decim_x, int *decim_y, @@ -1679,7 +1679,7 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane, { int scale_x = out_width != orig_width; int scale_y = out_height != orig_height; - bool chroma_upscale = plane != OMAP_DSS_WB ? true : false; + bool chroma_upscale = plane != OMAP_DSS_WB; if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE)) return; @@ -2179,7 +2179,7 @@ static void calc_tiler_rotation_offset(u16 screen_width, u16 width, * undocumented horizontal position and timing related limitations. */ static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk, - const struct omap_video_timings *t, u16 pos_x, + const struct videomode *vm, u16 pos_x, u16 width, u16 height, u16 out_width, u16 out_height, bool five_taps) { @@ -2189,14 +2189,16 @@ static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk, u64 val, blank; int i; - nonactive = t->x_res + t->hfp + t->hsw + t->hbp - out_width; + nonactive = vm->hactive + vm->hfront_porch + vm->hsync_len + + vm->hback_porch - out_width; i = 0; if (out_height < height) i++; if (out_width < width) i++; - blank = div_u64((u64)(t->hbp + t->hsw + t->hfp) * lclk, pclk); + blank = div_u64((u64)(vm->hback_porch + vm->hsync_len + vm->hfront_porch) * + lclk, pclk); DSSDBG("blanking period + ppl = %llu (limit = %u)\n", blank, limits[i]); if (blank <= limits[i]) return -EINVAL; @@ -2231,7 +2233,7 @@ static int check_horiz_timing_omap3(unsigned long pclk, unsigned long lclk, } static unsigned long calc_core_clk_five_taps(unsigned long pclk, - const struct omap_video_timings *mgr_timings, u16 width, + const struct videomode *vm, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode) { @@ -2242,7 +2244,7 @@ static unsigned long calc_core_clk_five_taps(unsigned long pclk, return (unsigned long) pclk; if (height > out_height) { - unsigned int ppl = mgr_timings->x_res; + unsigned int ppl = vm->hactive; tmp = (u64)pclk * height * out_width; do_div(tmp, 2 * out_height * ppl); @@ -2324,7 +2326,7 @@ static unsigned long calc_core_clk_44xx(unsigned long pclk, u16 width, } static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk, - const struct omap_video_timings *mgr_timings, + const struct videomode *vm, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode, bool *five_taps, int *x_predecim, int *y_predecim, int *decim_x, int *decim_y, @@ -2370,7 +2372,7 @@ static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk, } static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk, - const struct omap_video_timings *mgr_timings, + const struct videomode *vm, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode, bool *five_taps, int *x_predecim, int *y_predecim, int *decim_x, int *decim_y, @@ -2392,7 +2394,7 @@ static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk, *five_taps = false; again: if (*five_taps) - *core_clk = calc_core_clk_five_taps(pclk, mgr_timings, + *core_clk = calc_core_clk_five_taps(pclk, vm, in_width, in_height, out_width, out_height, color_mode); else @@ -2400,7 +2402,7 @@ again: in_height, out_width, out_height, mem_to_mem); - error = check_horiz_timing_omap3(pclk, lclk, mgr_timings, + error = check_horiz_timing_omap3(pclk, lclk, vm, pos_x, in_width, in_height, out_width, out_height, *five_taps); if (error && *five_taps) { @@ -2435,7 +2437,7 @@ again: return -EINVAL; } - if (check_horiz_timing_omap3(pclk, lclk, mgr_timings, pos_x, in_width, + if (check_horiz_timing_omap3(pclk, lclk, vm, pos_x, in_width, in_height, out_width, out_height, *five_taps)) { DSSERR("horizontal timing too tight\n"); return -EINVAL; @@ -2455,7 +2457,7 @@ again: } static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk, - const struct omap_video_timings *mgr_timings, + const struct videomode *vm, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode, bool *five_taps, int *x_predecim, int *y_predecim, int *decim_x, int *decim_y, @@ -2501,7 +2503,7 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk, static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk, enum omap_overlay_caps caps, - const struct omap_video_timings *mgr_timings, + const struct videomode *vm, u16 width, u16 height, u16 out_width, u16 out_height, enum omap_color_mode color_mode, bool *five_taps, int *x_predecim, int *y_predecim, u16 pos_x, @@ -2515,7 +2517,7 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk, if (width == out_width && height == out_height) return 0; - if (!mem_to_mem && (pclk == 0 || mgr_timings->pixelclock == 0)) { + if (!mem_to_mem && (pclk == 0 || vm->pixelclock == 0)) { DSSERR("cannot calculate scaling settings: pclk is zero\n"); return -EINVAL; } @@ -2551,7 +2553,7 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk, if (decim_y > *y_predecim || out_height > height * 8) return -EINVAL; - ret = dispc.feat->calc_scaling(pclk, lclk, mgr_timings, width, height, + ret = dispc.feat->calc_scaling(pclk, lclk, vm, width, height, out_width, out_height, color_mode, five_taps, x_predecim, y_predecim, &decim_x, &decim_y, pos_x, &core_clk, mem_to_mem); @@ -2591,7 +2593,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane, u16 out_width, u16 out_height, enum omap_color_mode color_mode, u8 rotation, bool mirror, u8 zorder, u8 pre_mult_alpha, u8 global_alpha, enum omap_dss_rotation_type rotation_type, - bool replication, const struct omap_video_timings *mgr_timings, + bool replication, const struct videomode *vm, bool mem_to_mem) { bool five_taps = true; @@ -2605,7 +2607,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane, u16 in_height = height; u16 in_width = width; int x_predecim = 1, y_predecim = 1; - bool ilace = mgr_timings->interlace; + bool ilace = !!(vm->flags & DISPLAY_FLAGS_INTERLACED); unsigned long pclk = dispc_plane_pclk_rate(plane); unsigned long lclk = dispc_plane_lclk_rate(plane); @@ -2647,7 +2649,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane, if (!dss_feat_color_mode_supported(plane, color_mode)) return -EINVAL; - r = dispc_ovl_calc_scaling(pclk, lclk, caps, mgr_timings, in_width, + r = dispc_ovl_calc_scaling(pclk, lclk, caps, vm, in_width, in_height, out_width, out_height, color_mode, &five_taps, &x_predecim, &y_predecim, pos_x, rotation_type, mem_to_mem); @@ -2784,7 +2786,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane, } int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi, - bool replication, const struct omap_video_timings *mgr_timings, + bool replication, const struct videomode *vm, bool mem_to_mem) { int r; @@ -2803,14 +2805,14 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi, oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height, oi->out_width, oi->out_height, oi->color_mode, oi->rotation, oi->mirror, oi->zorder, oi->pre_mult_alpha, oi->global_alpha, - oi->rotation_type, replication, mgr_timings, mem_to_mem); + oi->rotation_type, replication, vm, mem_to_mem); return r; } EXPORT_SYMBOL(dispc_ovl_setup); int dispc_wb_setup(const struct omap_dss_writeback_info *wi, - bool mem_to_mem, const struct omap_video_timings *mgr_timings) + bool mem_to_mem, const struct videomode *vm) { int r; u32 l; @@ -2819,8 +2821,8 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi, const u8 zorder = 0, global_alpha = 0; const bool replication = false; bool truncation; - int in_width = mgr_timings->x_res; - int in_height = mgr_timings->y_res; + int in_width = vm->hactive; + int in_height = vm->vactive; enum omap_overlay_caps caps = OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA; @@ -2833,7 +2835,7 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi, wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width, wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder, wi->pre_mult_alpha, global_alpha, wi->rotation_type, - replication, mgr_timings, mem_to_mem); + replication, vm, mem_to_mem); switch (wi->color_mode) { case OMAP_DSS_COLOR_RGB16: @@ -2867,8 +2869,8 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi, } else { int wbdelay; - wbdelay = min(mgr_timings->vfp + mgr_timings->vsw + - mgr_timings->vbp, 255); + wbdelay = min(vm->vfront_porch + + vm->vsync_len + vm->vback_porch, (u32)255); /* WBDELAYCOUNT */ REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0); @@ -3093,10 +3095,10 @@ static bool _dispc_mgr_size_ok(u16 width, u16 height) height <= dispc.feat->mgr_height_max; } -static bool _dispc_lcd_timings_ok(int hsw, int hfp, int hbp, +static bool _dispc_lcd_timings_ok(int hsync_len, int hfp, int hbp, int vsw, int vfp, int vbp) { - if (hsw < 1 || hsw > dispc.feat->sw_max || + if (hsync_len < 1 || hsync_len > dispc.feat->sw_max || hfp < 1 || hfp > dispc.feat->hp_max || hbp < 1 || hbp > dispc.feat->hp_max || vsw < 1 || vsw > dispc.feat->sw_max || @@ -3110,113 +3112,77 @@ static bool _dispc_mgr_pclk_ok(enum omap_channel channel, unsigned long pclk) { if (dss_mgr_is_lcd(channel)) - return pclk <= dispc.feat->max_lcd_pclk ? true : false; + return pclk <= dispc.feat->max_lcd_pclk; else - return pclk <= dispc.feat->max_tv_pclk ? true : false; + return pclk <= dispc.feat->max_tv_pclk; } -bool dispc_mgr_timings_ok(enum omap_channel channel, - const struct omap_video_timings *timings) +bool dispc_mgr_timings_ok(enum omap_channel channel, const struct videomode *vm) { - if (!_dispc_mgr_size_ok(timings->x_res, timings->y_res)) + if (!_dispc_mgr_size_ok(vm->hactive, vm->vactive)) return false; - if (!_dispc_mgr_pclk_ok(channel, timings->pixelclock)) + if (!_dispc_mgr_pclk_ok(channel, vm->pixelclock)) return false; if (dss_mgr_is_lcd(channel)) { /* TODO: OMAP4+ supports interlace for LCD outputs */ - if (timings->interlace) + if (vm->flags & DISPLAY_FLAGS_INTERLACED) return false; - if (!_dispc_lcd_timings_ok(timings->hsw, timings->hfp, - timings->hbp, timings->vsw, timings->vfp, - timings->vbp)) + if (!_dispc_lcd_timings_ok(vm->hsync_len, + vm->hfront_porch, vm->hback_porch, + vm->vsync_len, vm->vfront_porch, + vm->vback_porch)) return false; } return true; } -static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw, - int hfp, int hbp, int vsw, int vfp, int vbp, - enum omap_dss_signal_level vsync_level, - enum omap_dss_signal_level hsync_level, - enum omap_dss_signal_edge data_pclk_edge, - enum omap_dss_signal_level de_level, - enum omap_dss_signal_edge sync_pclk_edge) - +static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, + const struct videomode *vm) { u32 timing_h, timing_v, l; bool onoff, rf, ipc, vs, hs, de; - timing_h = FLD_VAL(hsw-1, dispc.feat->sw_start, 0) | - FLD_VAL(hfp-1, dispc.feat->fp_start, 8) | - FLD_VAL(hbp-1, dispc.feat->bp_start, 20); - timing_v = FLD_VAL(vsw-1, dispc.feat->sw_start, 0) | - FLD_VAL(vfp, dispc.feat->fp_start, 8) | - FLD_VAL(vbp, dispc.feat->bp_start, 20); + timing_h = FLD_VAL(vm->hsync_len - 1, dispc.feat->sw_start, 0) | + FLD_VAL(vm->hfront_porch - 1, dispc.feat->fp_start, 8) | + FLD_VAL(vm->hback_porch - 1, dispc.feat->bp_start, 20); + timing_v = FLD_VAL(vm->vsync_len - 1, dispc.feat->sw_start, 0) | + FLD_VAL(vm->vfront_porch, dispc.feat->fp_start, 8) | + FLD_VAL(vm->vback_porch, dispc.feat->bp_start, 20); dispc_write_reg(DISPC_TIMING_H(channel), timing_h); dispc_write_reg(DISPC_TIMING_V(channel), timing_v); - switch (vsync_level) { - case OMAPDSS_SIG_ACTIVE_LOW: - vs = true; - break; - case OMAPDSS_SIG_ACTIVE_HIGH: + if (vm->flags & DISPLAY_FLAGS_VSYNC_HIGH) vs = false; - break; - default: - BUG(); - } + else + vs = true; - switch (hsync_level) { - case OMAPDSS_SIG_ACTIVE_LOW: - hs = true; - break; - case OMAPDSS_SIG_ACTIVE_HIGH: + if (vm->flags & DISPLAY_FLAGS_HSYNC_HIGH) hs = false; - break; - default: - BUG(); - } + else + hs = true; - switch (de_level) { - case OMAPDSS_SIG_ACTIVE_LOW: - de = true; - break; - case OMAPDSS_SIG_ACTIVE_HIGH: + if (vm->flags & DISPLAY_FLAGS_DE_HIGH) de = false; - break; - default: - BUG(); - } + else + de = true; - switch (data_pclk_edge) { - case OMAPDSS_DRIVE_SIG_RISING_EDGE: + if (vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE) ipc = false; - break; - case OMAPDSS_DRIVE_SIG_FALLING_EDGE: + else ipc = true; - break; - default: - BUG(); - } /* always use the 'rf' setting */ onoff = true; - switch (sync_pclk_edge) { - case OMAPDSS_DRIVE_SIG_FALLING_EDGE: - rf = false; - break; - case OMAPDSS_DRIVE_SIG_RISING_EDGE: + if (vm->flags & DISPLAY_FLAGS_SYNC_POSEDGE) rf = true; - break; - default: - BUG(); - } + else + rf = false; l = FLD_VAL(onoff, 17, 17) | FLD_VAL(rf, 16, 16) | @@ -3253,13 +3219,13 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw, /* change name to mode? */ void dispc_mgr_set_timings(enum omap_channel channel, - const struct omap_video_timings *timings) + const struct videomode *vm) { unsigned xtot, ytot; unsigned long ht, vt; - struct omap_video_timings t = *timings; + struct videomode t = *vm; - DSSDBG("channel %d xres %u yres %u\n", channel, t.x_res, t.y_res); + DSSDBG("channel %d xres %u yres %u\n", channel, t.hactive, t.vactive); if (!dispc_mgr_timings_ok(channel, &t)) { BUG(); @@ -3267,34 +3233,37 @@ void dispc_mgr_set_timings(enum omap_channel channel, } if (dss_mgr_is_lcd(channel)) { - _dispc_mgr_set_lcd_timings(channel, t.hsw, t.hfp, t.hbp, t.vsw, - t.vfp, t.vbp, t.vsync_level, t.hsync_level, - t.data_pclk_edge, t.de_level, t.sync_pclk_edge); + _dispc_mgr_set_lcd_timings(channel, &t); - xtot = t.x_res + t.hfp + t.hsw + t.hbp; - ytot = t.y_res + t.vfp + t.vsw + t.vbp; + xtot = t.hactive + t.hfront_porch + t.hsync_len + t.hback_porch; + ytot = t.vactive + t.vfront_porch + t.vsync_len + t.vback_porch; - ht = timings->pixelclock / xtot; - vt = timings->pixelclock / xtot / ytot; + ht = vm->pixelclock / xtot; + vt = vm->pixelclock / xtot / ytot; - DSSDBG("pck %u\n", timings->pixelclock); - DSSDBG("hsw %d hfp %d hbp %d vsw %d vfp %d vbp %d\n", - t.hsw, t.hfp, t.hbp, t.vsw, t.vfp, t.vbp); + DSSDBG("pck %lu\n", vm->pixelclock); + DSSDBG("hsync_len %d hfp %d hbp %d vsw %d vfp %d vbp %d\n", + t.hsync_len, t.hfront_porch, t.hback_porch, + t.vsync_len, t.vfront_porch, t.vback_porch); DSSDBG("vsync_level %d hsync_level %d data_pclk_edge %d de_level %d sync_pclk_edge %d\n", - t.vsync_level, t.hsync_level, t.data_pclk_edge, - t.de_level, t.sync_pclk_edge); + !!(t.flags & DISPLAY_FLAGS_VSYNC_HIGH), + !!(t.flags & DISPLAY_FLAGS_HSYNC_HIGH), + !!(t.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE), + !!(t.flags & DISPLAY_FLAGS_DE_HIGH), + !!(t.flags & DISPLAY_FLAGS_SYNC_POSEDGE)); DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt); } else { - if (t.interlace) - t.y_res /= 2; + if (t.flags & DISPLAY_FLAGS_INTERLACED) + t.vactive /= 2; if (dispc.feat->supports_double_pixel) - REG_FLD_MOD(DISPC_CONTROL, t.double_pixel ? 1 : 0, - 19, 17); + REG_FLD_MOD(DISPC_CONTROL, + !!(t.flags & DISPLAY_FLAGS_DOUBLECLK), + 19, 17); } - dispc_mgr_set_size(channel, t.x_res, t.y_res); + dispc_mgr_set_size(channel, t.hactive, t.vactive); } EXPORT_SYMBOL(dispc_mgr_set_timings); @@ -4214,23 +4183,20 @@ EXPORT_SYMBOL(dispc_free_irq); */ static const struct dispc_errata_i734_data { - struct omap_video_timings timings; + struct videomode vm; struct omap_overlay_info ovli; struct omap_overlay_manager_info mgri; struct dss_lcd_mgr_config lcd_conf; } i734 = { - .timings = { - .x_res = 8, .y_res = 1, + .vm = { + .hactive = 8, .vactive = 1, .pixelclock = 16000000, - .hsw = 8, .hfp = 4, .hbp = 4, - .vsw = 1, .vfp = 1, .vbp = 1, - .vsync_level = OMAPDSS_SIG_ACTIVE_LOW, - .hsync_level = OMAPDSS_SIG_ACTIVE_LOW, - .interlace = false, - .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, - .de_level = OMAPDSS_SIG_ACTIVE_HIGH, - .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, - .double_pixel = false, + .hsync_len = 8, .hfront_porch = 4, .hback_porch = 4, + .vsync_len = 1, .vfront_porch = 1, .vback_porch = 1, + + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_SYNC_POSEDGE | + DISPLAY_FLAGS_PIXDATA_POSEDGE, }, .ovli = { .screen_width = 1, @@ -4320,7 +4286,7 @@ static void dispc_errata_i734_wa(void) /* Setup and enable GFX plane */ dispc_ovl_set_channel_out(OMAP_DSS_GFX, OMAP_DSS_CHANNEL_LCD); - dispc_ovl_setup(OMAP_DSS_GFX, &ovli, false, &i734.timings, false); + dispc_ovl_setup(OMAP_DSS_GFX, &ovli, false, &i734.vm, false); dispc_ovl_enable(OMAP_DSS_GFX, true); /* Set up and enable display manager for LCD1 */ @@ -4328,7 +4294,7 @@ static void dispc_errata_i734_wa(void) dispc_calc_clock_rates(dss_get_dispc_clk_rate(), &lcd_conf.clock_info); dispc_mgr_set_lcd_config(OMAP_DSS_CHANNEL_LCD, &lcd_conf); - dispc_mgr_set_timings(OMAP_DSS_CHANNEL_LCD, &i734.timings); + dispc_mgr_set_timings(OMAP_DSS_CHANNEL_LCD, &i734.vm); dispc_clear_irqstatus(framedone_irq); |