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path: root/drivers/video/sh_mobile_lcdcfb.c
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-rw-r--r--drivers/video/sh_mobile_lcdcfb.c1117
1 files changed, 956 insertions, 161 deletions
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index e672698bd820..699487c287b2 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -12,6 +12,7 @@
12#include <linux/backlight.h> 12#include <linux/backlight.h>
13#include <linux/clk.h> 13#include <linux/clk.h>
14#include <linux/console.h> 14#include <linux/console.h>
15#include <linux/ctype.h>
15#include <linux/dma-mapping.h> 16#include <linux/dma-mapping.h>
16#include <linux/delay.h> 17#include <linux/delay.h>
17#include <linux/gpio.h> 18#include <linux/gpio.h>
@@ -32,12 +33,176 @@
32 33
33#include "sh_mobile_lcdcfb.h" 34#include "sh_mobile_lcdcfb.h"
34 35
36/* ----------------------------------------------------------------------------
37 * Overlay register definitions
38 */
39
40#define LDBCR 0xb00
41#define LDBCR_UPC(n) (1 << ((n) + 16))
42#define LDBCR_UPF(n) (1 << ((n) + 8))
43#define LDBCR_UPD(n) (1 << ((n) + 0))
44#define LDBnBSIFR(n) (0xb20 + (n) * 0x20 + 0x00)
45#define LDBBSIFR_EN (1 << 31)
46#define LDBBSIFR_VS (1 << 29)
47#define LDBBSIFR_BRSEL (1 << 28)
48#define LDBBSIFR_MX (1 << 27)
49#define LDBBSIFR_MY (1 << 26)
50#define LDBBSIFR_CV3 (3 << 24)
51#define LDBBSIFR_CV2 (2 << 24)
52#define LDBBSIFR_CV1 (1 << 24)
53#define LDBBSIFR_CV0 (0 << 24)
54#define LDBBSIFR_CV_MASK (3 << 24)
55#define LDBBSIFR_LAY_MASK (0xff << 16)
56#define LDBBSIFR_LAY_SHIFT 16
57#define LDBBSIFR_ROP3_MASK (0xff << 16)
58#define LDBBSIFR_ROP3_SHIFT 16
59#define LDBBSIFR_AL_PL8 (3 << 14)
60#define LDBBSIFR_AL_PL1 (2 << 14)
61#define LDBBSIFR_AL_PK (1 << 14)
62#define LDBBSIFR_AL_1 (0 << 14)
63#define LDBBSIFR_AL_MASK (3 << 14)
64#define LDBBSIFR_SWPL (1 << 10)
65#define LDBBSIFR_SWPW (1 << 9)
66#define LDBBSIFR_SWPB (1 << 8)
67#define LDBBSIFR_RY (1 << 7)
68#define LDBBSIFR_CHRR_420 (2 << 0)
69#define LDBBSIFR_CHRR_422 (1 << 0)
70#define LDBBSIFR_CHRR_444 (0 << 0)
71#define LDBBSIFR_RPKF_ARGB32 (0x00 << 0)
72#define LDBBSIFR_RPKF_RGB16 (0x03 << 0)
73#define LDBBSIFR_RPKF_RGB24 (0x0b << 0)
74#define LDBBSIFR_RPKF_MASK (0x1f << 0)
75#define LDBnBSSZR(n) (0xb20 + (n) * 0x20 + 0x04)
76#define LDBBSSZR_BVSS_MASK (0xfff << 16)
77#define LDBBSSZR_BVSS_SHIFT 16
78#define LDBBSSZR_BHSS_MASK (0xfff << 0)
79#define LDBBSSZR_BHSS_SHIFT 0
80#define LDBnBLOCR(n) (0xb20 + (n) * 0x20 + 0x08)
81#define LDBBLOCR_CVLC_MASK (0xfff << 16)
82#define LDBBLOCR_CVLC_SHIFT 16
83#define LDBBLOCR_CHLC_MASK (0xfff << 0)
84#define LDBBLOCR_CHLC_SHIFT 0
85#define LDBnBSMWR(n) (0xb20 + (n) * 0x20 + 0x0c)
86#define LDBBSMWR_BSMWA_MASK (0xffff << 16)
87#define LDBBSMWR_BSMWA_SHIFT 16
88#define LDBBSMWR_BSMW_MASK (0xffff << 0)
89#define LDBBSMWR_BSMW_SHIFT 0
90#define LDBnBSAYR(n) (0xb20 + (n) * 0x20 + 0x10)
91#define LDBBSAYR_FG1A_MASK (0xff << 24)
92#define LDBBSAYR_FG1A_SHIFT 24
93#define LDBBSAYR_FG1R_MASK (0xff << 16)
94#define LDBBSAYR_FG1R_SHIFT 16
95#define LDBBSAYR_FG1G_MASK (0xff << 8)
96#define LDBBSAYR_FG1G_SHIFT 8
97#define LDBBSAYR_FG1B_MASK (0xff << 0)
98#define LDBBSAYR_FG1B_SHIFT 0
99#define LDBnBSACR(n) (0xb20 + (n) * 0x20 + 0x14)
100#define LDBBSACR_FG2A_MASK (0xff << 24)
101#define LDBBSACR_FG2A_SHIFT 24
102#define LDBBSACR_FG2R_MASK (0xff << 16)
103#define LDBBSACR_FG2R_SHIFT 16
104#define LDBBSACR_FG2G_MASK (0xff << 8)
105#define LDBBSACR_FG2G_SHIFT 8
106#define LDBBSACR_FG2B_MASK (0xff << 0)
107#define LDBBSACR_FG2B_SHIFT 0
108#define LDBnBSAAR(n) (0xb20 + (n) * 0x20 + 0x18)
109#define LDBBSAAR_AP_MASK (0xff << 24)
110#define LDBBSAAR_AP_SHIFT 24
111#define LDBBSAAR_R_MASK (0xff << 16)
112#define LDBBSAAR_R_SHIFT 16
113#define LDBBSAAR_GY_MASK (0xff << 8)
114#define LDBBSAAR_GY_SHIFT 8
115#define LDBBSAAR_B_MASK (0xff << 0)
116#define LDBBSAAR_B_SHIFT 0
117#define LDBnBPPCR(n) (0xb20 + (n) * 0x20 + 0x1c)
118#define LDBBPPCR_AP_MASK (0xff << 24)
119#define LDBBPPCR_AP_SHIFT 24
120#define LDBBPPCR_R_MASK (0xff << 16)
121#define LDBBPPCR_R_SHIFT 16
122#define LDBBPPCR_GY_MASK (0xff << 8)
123#define LDBBPPCR_GY_SHIFT 8
124#define LDBBPPCR_B_MASK (0xff << 0)
125#define LDBBPPCR_B_SHIFT 0
126#define LDBnBBGCL(n) (0xb10 + (n) * 0x04)
127#define LDBBBGCL_BGA_MASK (0xff << 24)
128#define LDBBBGCL_BGA_SHIFT 24
129#define LDBBBGCL_BGR_MASK (0xff << 16)
130#define LDBBBGCL_BGR_SHIFT 16
131#define LDBBBGCL_BGG_MASK (0xff << 8)
132#define LDBBBGCL_BGG_SHIFT 8
133#define LDBBBGCL_BGB_MASK (0xff << 0)
134#define LDBBBGCL_BGB_SHIFT 0
135
35#define SIDE_B_OFFSET 0x1000 136#define SIDE_B_OFFSET 0x1000
36#define MIRROR_OFFSET 0x2000 137#define MIRROR_OFFSET 0x2000
37 138
38#define MAX_XRES 1920 139#define MAX_XRES 1920
39#define MAX_YRES 1080 140#define MAX_YRES 1080
40 141
142enum sh_mobile_lcdc_overlay_mode {
143 LCDC_OVERLAY_BLEND,
144 LCDC_OVERLAY_ROP3,
145};
146
147/*
148 * struct sh_mobile_lcdc_overlay - LCDC display overlay
149 *
150 * @channel: LCDC channel this overlay belongs to
151 * @cfg: Overlay configuration
152 * @info: Frame buffer device
153 * @index: Overlay index (0-3)
154 * @base: Overlay registers base address
155 * @enabled: True if the overlay is enabled
156 * @mode: Overlay blending mode (alpha blend or ROP3)
157 * @alpha: Global alpha blending value (0-255, for alpha blending mode)
158 * @rop3: Raster operation (for ROP3 mode)
159 * @fb_mem: Frame buffer virtual memory address
160 * @fb_size: Frame buffer size in bytes
161 * @dma_handle: Frame buffer DMA address
162 * @base_addr_y: Overlay base address (RGB or luma component)
163 * @base_addr_c: Overlay base address (chroma component)
164 * @pan_y_offset: Panning linear offset in bytes (luma component)
165 * @format: Current pixelf format
166 * @xres: Horizontal visible resolution
167 * @xres_virtual: Horizontal total resolution
168 * @yres: Vertical visible resolution
169 * @yres_virtual: Vertical total resolution
170 * @pitch: Overlay line pitch
171 * @pos_x: Horizontal overlay position
172 * @pos_y: Vertical overlay position
173 */
174struct sh_mobile_lcdc_overlay {
175 struct sh_mobile_lcdc_chan *channel;
176
177 const struct sh_mobile_lcdc_overlay_cfg *cfg;
178 struct fb_info *info;
179
180 unsigned int index;
181 unsigned long base;
182
183 bool enabled;
184 enum sh_mobile_lcdc_overlay_mode mode;
185 unsigned int alpha;
186 unsigned int rop3;
187
188 void *fb_mem;
189 unsigned long fb_size;
190
191 dma_addr_t dma_handle;
192 unsigned long base_addr_y;
193 unsigned long base_addr_c;
194 unsigned long pan_y_offset;
195
196 const struct sh_mobile_lcdc_format_info *format;
197 unsigned int xres;
198 unsigned int xres_virtual;
199 unsigned int yres;
200 unsigned int yres_virtual;
201 unsigned int pitch;
202 int pos_x;
203 int pos_y;
204};
205
41struct sh_mobile_lcdc_priv { 206struct sh_mobile_lcdc_priv {
42 void __iomem *base; 207 void __iomem *base;
43 int irq; 208 int irq;
@@ -45,7 +210,10 @@ struct sh_mobile_lcdc_priv {
45 struct device *dev; 210 struct device *dev;
46 struct clk *dot_clk; 211 struct clk *dot_clk;
47 unsigned long lddckr; 212 unsigned long lddckr;
213
48 struct sh_mobile_lcdc_chan ch[2]; 214 struct sh_mobile_lcdc_chan ch[2];
215 struct sh_mobile_lcdc_overlay overlays[4];
216
49 struct notifier_block notifier; 217 struct notifier_block notifier;
50 int started; 218 int started;
51 int forced_fourcc; /* 2 channel LCDC must share fourcc setting */ 219 int forced_fourcc; /* 2 channel LCDC must share fourcc setting */
@@ -141,6 +309,13 @@ static unsigned long lcdc_read_chan(struct sh_mobile_lcdc_chan *chan,
141 return ioread32(chan->lcdc->base + chan->reg_offs[reg_nr]); 309 return ioread32(chan->lcdc->base + chan->reg_offs[reg_nr]);
142} 310}
143 311
312static void lcdc_write_overlay(struct sh_mobile_lcdc_overlay *ovl,
313 int reg, unsigned long data)
314{
315 iowrite32(data, ovl->channel->lcdc->base + reg);
316 iowrite32(data, ovl->channel->lcdc->base + reg + SIDE_B_OFFSET);
317}
318
144static void lcdc_write(struct sh_mobile_lcdc_priv *priv, 319static void lcdc_write(struct sh_mobile_lcdc_priv *priv,
145 unsigned long reg_offs, unsigned long data) 320 unsigned long reg_offs, unsigned long data)
146{ 321{
@@ -384,8 +559,8 @@ sh_mobile_lcdc_must_reconfigure(struct sh_mobile_lcdc_chan *ch,
384 return true; 559 return true;
385} 560}
386 561
387static int sh_mobile_check_var(struct fb_var_screeninfo *var, 562static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var,
388 struct fb_info *info); 563 struct fb_info *info);
389 564
390static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch, 565static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
391 enum sh_mobile_lcdc_entity_event event, 566 enum sh_mobile_lcdc_entity_event event,
@@ -439,7 +614,7 @@ static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
439 fb_videomode_to_var(&var, mode); 614 fb_videomode_to_var(&var, mode);
440 var.bits_per_pixel = info->var.bits_per_pixel; 615 var.bits_per_pixel = info->var.bits_per_pixel;
441 var.grayscale = info->var.grayscale; 616 var.grayscale = info->var.grayscale;
442 ret = sh_mobile_check_var(&var, info); 617 ret = sh_mobile_lcdc_check_var(&var, info);
443 break; 618 break;
444 } 619 }
445 620
@@ -585,7 +760,7 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data)
585 return IRQ_HANDLED; 760 return IRQ_HANDLED;
586} 761}
587 762
588static int sh_mobile_wait_for_vsync(struct sh_mobile_lcdc_chan *ch) 763static int sh_mobile_lcdc_wait_for_vsync(struct sh_mobile_lcdc_chan *ch)
589{ 764{
590 unsigned long ldintr; 765 unsigned long ldintr;
591 int ret; 766 int ret;
@@ -685,8 +860,98 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
685 lcdc_write_chan(ch, LDHAJR, tmp); 860 lcdc_write_chan(ch, LDHAJR, tmp);
686} 861}
687 862
863static void sh_mobile_lcdc_overlay_setup(struct sh_mobile_lcdc_overlay *ovl)
864{
865 u32 format = 0;
866
867 if (!ovl->enabled) {
868 lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));
869 lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), 0);
870 lcdc_write(ovl->channel->lcdc, LDBCR,
871 LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index));
872 return;
873 }
874
875 ovl->base_addr_y = ovl->dma_handle;
876 ovl->base_addr_c = ovl->dma_handle
877 + ovl->xres_virtual * ovl->yres_virtual;
878
879 switch (ovl->mode) {
880 case LCDC_OVERLAY_BLEND:
881 format = LDBBSIFR_EN | (ovl->alpha << LDBBSIFR_LAY_SHIFT);
882 break;
883
884 case LCDC_OVERLAY_ROP3:
885 format = LDBBSIFR_EN | LDBBSIFR_BRSEL
886 | (ovl->rop3 << LDBBSIFR_ROP3_SHIFT);
887 break;
888 }
889
890 switch (ovl->format->fourcc) {
891 case V4L2_PIX_FMT_RGB565:
892 case V4L2_PIX_FMT_NV21:
893 case V4L2_PIX_FMT_NV61:
894 case V4L2_PIX_FMT_NV42:
895 format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW;
896 break;
897 case V4L2_PIX_FMT_BGR24:
898 case V4L2_PIX_FMT_NV12:
899 case V4L2_PIX_FMT_NV16:
900 case V4L2_PIX_FMT_NV24:
901 format |= LDBBSIFR_SWPL | LDBBSIFR_SWPW | LDBBSIFR_SWPB;
902 break;
903 case V4L2_PIX_FMT_BGR32:
904 default:
905 format |= LDBBSIFR_SWPL;
906 break;
907 }
908
909 switch (ovl->format->fourcc) {
910 case V4L2_PIX_FMT_RGB565:
911 format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB16;
912 break;
913 case V4L2_PIX_FMT_BGR24:
914 format |= LDBBSIFR_AL_1 | LDBBSIFR_RY | LDBBSIFR_RPKF_RGB24;
915 break;
916 case V4L2_PIX_FMT_BGR32:
917 format |= LDBBSIFR_AL_PK | LDBBSIFR_RY | LDDFR_PKF_ARGB32;
918 break;
919 case V4L2_PIX_FMT_NV12:
920 case V4L2_PIX_FMT_NV21:
921 format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_420;
922 break;
923 case V4L2_PIX_FMT_NV16:
924 case V4L2_PIX_FMT_NV61:
925 format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_422;
926 break;
927 case V4L2_PIX_FMT_NV24:
928 case V4L2_PIX_FMT_NV42:
929 format |= LDBBSIFR_AL_1 | LDBBSIFR_CHRR_444;
930 break;
931 }
932
933 lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));
934
935 lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), format);
936
937 lcdc_write_overlay(ovl, LDBnBSSZR(ovl->index),
938 (ovl->yres << LDBBSSZR_BVSS_SHIFT) |
939 (ovl->xres << LDBBSSZR_BHSS_SHIFT));
940 lcdc_write_overlay(ovl, LDBnBLOCR(ovl->index),
941 (ovl->pos_y << LDBBLOCR_CVLC_SHIFT) |
942 (ovl->pos_x << LDBBLOCR_CHLC_SHIFT));
943 lcdc_write_overlay(ovl, LDBnBSMWR(ovl->index),
944 ovl->pitch << LDBBSMWR_BSMW_SHIFT);
945
946 lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y);
947 lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c);
948
949 lcdc_write(ovl->channel->lcdc, LDBCR,
950 LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index));
951}
952
688/* 953/*
689 * __sh_mobile_lcdc_start - Configure and tart the LCDC 954 * __sh_mobile_lcdc_start - Configure and start the LCDC
690 * @priv: LCDC device 955 * @priv: LCDC device
691 * 956 *
692 * Configure all enabled channels and start the LCDC device. All external 957 * Configure all enabled channels and start the LCDC device. All external
@@ -839,27 +1104,25 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
839 /* Compute frame buffer base address and pitch for each channel. */ 1104 /* Compute frame buffer base address and pitch for each channel. */
840 for (k = 0; k < ARRAY_SIZE(priv->ch); k++) { 1105 for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
841 int pixelformat; 1106 int pixelformat;
842 void *meram; 1107 void *cache;
843 1108
844 ch = &priv->ch[k]; 1109 ch = &priv->ch[k];
845 if (!ch->enabled) 1110 if (!ch->enabled)
846 continue; 1111 continue;
847 1112
848 ch->base_addr_y = ch->dma_handle; 1113 ch->base_addr_y = ch->dma_handle;
849 ch->base_addr_c = ch->base_addr_y + ch->xres * ch->yres_virtual; 1114 ch->base_addr_c = ch->dma_handle
1115 + ch->xres_virtual * ch->yres_virtual;
850 ch->line_size = ch->pitch; 1116 ch->line_size = ch->pitch;
851 1117
852 /* Enable MERAM if possible. */ 1118 /* Enable MERAM if possible. */
853 if (mdev == NULL || mdev->ops == NULL || 1119 if (mdev == NULL || ch->cfg->meram_cfg == NULL)
854 ch->cfg->meram_cfg == NULL)
855 continue; 1120 continue;
856 1121
857 /* we need to de-init configured ICBs before we can 1122 /* Free the allocated MERAM cache. */
858 * re-initialize them. 1123 if (ch->cache) {
859 */ 1124 sh_mobile_meram_cache_free(mdev, ch->cache);
860 if (ch->meram) { 1125 ch->cache = NULL;
861 mdev->ops->meram_unregister(mdev, ch->meram);
862 ch->meram = NULL;
863 } 1126 }
864 1127
865 switch (ch->format->fourcc) { 1128 switch (ch->format->fourcc) {
@@ -881,17 +1144,22 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
881 break; 1144 break;
882 } 1145 }
883 1146
884 meram = mdev->ops->meram_register(mdev, ch->cfg->meram_cfg, 1147 cache = sh_mobile_meram_cache_alloc(mdev, ch->cfg->meram_cfg,
885 ch->pitch, ch->yres, pixelformat, 1148 ch->pitch, ch->yres, pixelformat,
886 &ch->line_size); 1149 &ch->line_size);
887 if (!IS_ERR(meram)) { 1150 if (!IS_ERR(cache)) {
888 mdev->ops->meram_update(mdev, meram, 1151 sh_mobile_meram_cache_update(mdev, cache,
889 ch->base_addr_y, ch->base_addr_c, 1152 ch->base_addr_y, ch->base_addr_c,
890 &ch->base_addr_y, &ch->base_addr_c); 1153 &ch->base_addr_y, &ch->base_addr_c);
891 ch->meram = meram; 1154 ch->cache = cache;
892 } 1155 }
893 } 1156 }
894 1157
1158 for (k = 0; k < ARRAY_SIZE(priv->overlays); ++k) {
1159 struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[k];
1160 sh_mobile_lcdc_overlay_setup(ovl);
1161 }
1162
895 /* Start the LCDC. */ 1163 /* Start the LCDC. */
896 __sh_mobile_lcdc_start(priv); 1164 __sh_mobile_lcdc_start(priv);
897 1165
@@ -953,12 +1221,10 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
953 1221
954 sh_mobile_lcdc_display_off(ch); 1222 sh_mobile_lcdc_display_off(ch);
955 1223
956 /* disable the meram */ 1224 /* Free the MERAM cache. */
957 if (ch->meram) { 1225 if (ch->cache) {
958 struct sh_mobile_meram_info *mdev; 1226 sh_mobile_meram_cache_free(priv->meram_dev, ch->cache);
959 mdev = priv->meram_dev; 1227 ch->cache = 0;
960 mdev->ops->meram_unregister(mdev, ch->meram);
961 ch->meram = 0;
962 } 1228 }
963 1229
964 } 1230 }
@@ -975,8 +1241,511 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
975 sh_mobile_lcdc_clk_off(priv); 1241 sh_mobile_lcdc_clk_off(priv);
976} 1242}
977 1243
1244static int __sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var,
1245 struct fb_info *info)
1246{
1247 if (var->xres > MAX_XRES || var->yres > MAX_YRES)
1248 return -EINVAL;
1249
1250 /* Make sure the virtual resolution is at least as big as the visible
1251 * resolution.
1252 */
1253 if (var->xres_virtual < var->xres)
1254 var->xres_virtual = var->xres;
1255 if (var->yres_virtual < var->yres)
1256 var->yres_virtual = var->yres;
1257
1258 if (sh_mobile_format_is_fourcc(var)) {
1259 const struct sh_mobile_lcdc_format_info *format;
1260
1261 format = sh_mobile_format_info(var->grayscale);
1262 if (format == NULL)
1263 return -EINVAL;
1264 var->bits_per_pixel = format->bpp;
1265
1266 /* Default to RGB and JPEG color-spaces for RGB and YUV formats
1267 * respectively.
1268 */
1269 if (!format->yuv)
1270 var->colorspace = V4L2_COLORSPACE_SRGB;
1271 else if (var->colorspace != V4L2_COLORSPACE_REC709)
1272 var->colorspace = V4L2_COLORSPACE_JPEG;
1273 } else {
1274 if (var->bits_per_pixel <= 16) { /* RGB 565 */
1275 var->bits_per_pixel = 16;
1276 var->red.offset = 11;
1277 var->red.length = 5;
1278 var->green.offset = 5;
1279 var->green.length = 6;
1280 var->blue.offset = 0;
1281 var->blue.length = 5;
1282 var->transp.offset = 0;
1283 var->transp.length = 0;
1284 } else if (var->bits_per_pixel <= 24) { /* RGB 888 */
1285 var->bits_per_pixel = 24;
1286 var->red.offset = 16;
1287 var->red.length = 8;
1288 var->green.offset = 8;
1289 var->green.length = 8;
1290 var->blue.offset = 0;
1291 var->blue.length = 8;
1292 var->transp.offset = 0;
1293 var->transp.length = 0;
1294 } else if (var->bits_per_pixel <= 32) { /* RGBA 888 */
1295 var->bits_per_pixel = 32;
1296 var->red.offset = 16;
1297 var->red.length = 8;
1298 var->green.offset = 8;
1299 var->green.length = 8;
1300 var->blue.offset = 0;
1301 var->blue.length = 8;
1302 var->transp.offset = 24;
1303 var->transp.length = 8;
1304 } else
1305 return -EINVAL;
1306
1307 var->red.msb_right = 0;
1308 var->green.msb_right = 0;
1309 var->blue.msb_right = 0;
1310 var->transp.msb_right = 0;
1311 }
1312
1313 /* Make sure we don't exceed our allocated memory. */
1314 if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
1315 info->fix.smem_len)
1316 return -EINVAL;
1317
1318 return 0;
1319}
1320
978/* ----------------------------------------------------------------------------- 1321/* -----------------------------------------------------------------------------
979 * Frame buffer operations 1322 * Frame buffer operations - Overlays
1323 */
1324
1325static ssize_t
1326overlay_alpha_show(struct device *dev, struct device_attribute *attr, char *buf)
1327{
1328 struct fb_info *info = dev_get_drvdata(dev);
1329 struct sh_mobile_lcdc_overlay *ovl = info->par;
1330
1331 return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->alpha);
1332}
1333
1334static ssize_t
1335overlay_alpha_store(struct device *dev, struct device_attribute *attr,
1336 const char *buf, size_t count)
1337{
1338 struct fb_info *info = dev_get_drvdata(dev);
1339 struct sh_mobile_lcdc_overlay *ovl = info->par;
1340 unsigned int alpha;
1341 char *endp;
1342
1343 alpha = simple_strtoul(buf, &endp, 10);
1344 if (isspace(*endp))
1345 endp++;
1346
1347 if (endp - buf != count)
1348 return -EINVAL;
1349
1350 if (alpha > 255)
1351 return -EINVAL;
1352
1353 if (ovl->alpha != alpha) {
1354 ovl->alpha = alpha;
1355
1356 if (ovl->mode == LCDC_OVERLAY_BLEND && ovl->enabled)
1357 sh_mobile_lcdc_overlay_setup(ovl);
1358 }
1359
1360 return count;
1361}
1362
1363static ssize_t
1364overlay_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
1365{
1366 struct fb_info *info = dev_get_drvdata(dev);
1367 struct sh_mobile_lcdc_overlay *ovl = info->par;
1368
1369 return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->mode);
1370}
1371
1372static ssize_t
1373overlay_mode_store(struct device *dev, struct device_attribute *attr,
1374 const char *buf, size_t count)
1375{
1376 struct fb_info *info = dev_get_drvdata(dev);
1377 struct sh_mobile_lcdc_overlay *ovl = info->par;
1378 unsigned int mode;
1379 char *endp;
1380
1381 mode = simple_strtoul(buf, &endp, 10);
1382 if (isspace(*endp))
1383 endp++;
1384
1385 if (endp - buf != count)
1386 return -EINVAL;
1387
1388 if (mode != LCDC_OVERLAY_BLEND && mode != LCDC_OVERLAY_ROP3)
1389 return -EINVAL;
1390
1391 if (ovl->mode != mode) {
1392 ovl->mode = mode;
1393
1394 if (ovl->enabled)
1395 sh_mobile_lcdc_overlay_setup(ovl);
1396 }
1397
1398 return count;
1399}
1400
1401static ssize_t
1402overlay_position_show(struct device *dev, struct device_attribute *attr,
1403 char *buf)
1404{
1405 struct fb_info *info = dev_get_drvdata(dev);
1406 struct sh_mobile_lcdc_overlay *ovl = info->par;
1407
1408 return scnprintf(buf, PAGE_SIZE, "%d,%d\n", ovl->pos_x, ovl->pos_y);
1409}
1410
1411static ssize_t
1412overlay_position_store(struct device *dev, struct device_attribute *attr,
1413 const char *buf, size_t count)
1414{
1415 struct fb_info *info = dev_get_drvdata(dev);
1416 struct sh_mobile_lcdc_overlay *ovl = info->par;
1417 char *endp;
1418 int pos_x;
1419 int pos_y;
1420
1421 pos_x = simple_strtol(buf, &endp, 10);
1422 if (*endp != ',')
1423 return -EINVAL;
1424
1425 pos_y = simple_strtol(endp + 1, &endp, 10);
1426 if (isspace(*endp))
1427 endp++;
1428
1429 if (endp - buf != count)
1430 return -EINVAL;
1431
1432 if (ovl->pos_x != pos_x || ovl->pos_y != pos_y) {
1433 ovl->pos_x = pos_x;
1434 ovl->pos_y = pos_y;
1435
1436 if (ovl->enabled)
1437 sh_mobile_lcdc_overlay_setup(ovl);
1438 }
1439
1440 return count;
1441}
1442
1443static ssize_t
1444overlay_rop3_show(struct device *dev, struct device_attribute *attr, char *buf)
1445{
1446 struct fb_info *info = dev_get_drvdata(dev);
1447 struct sh_mobile_lcdc_overlay *ovl = info->par;
1448
1449 return scnprintf(buf, PAGE_SIZE, "%u\n", ovl->rop3);
1450}
1451
1452static ssize_t
1453overlay_rop3_store(struct device *dev, struct device_attribute *attr,
1454 const char *buf, size_t count)
1455{
1456 struct fb_info *info = dev_get_drvdata(dev);
1457 struct sh_mobile_lcdc_overlay *ovl = info->par;
1458 unsigned int rop3;
1459 char *endp;
1460
1461 rop3 = !!simple_strtoul(buf, &endp, 10);
1462 if (isspace(*endp))
1463 endp++;
1464
1465 if (endp - buf != count)
1466 return -EINVAL;
1467
1468 if (rop3 > 255)
1469 return -EINVAL;
1470
1471 if (ovl->rop3 != rop3) {
1472 ovl->rop3 = rop3;
1473
1474 if (ovl->mode == LCDC_OVERLAY_ROP3 && ovl->enabled)
1475 sh_mobile_lcdc_overlay_setup(ovl);
1476 }
1477
1478 return count;
1479}
1480
1481static const struct device_attribute overlay_sysfs_attrs[] = {
1482 __ATTR(ovl_alpha, S_IRUGO|S_IWUSR,
1483 overlay_alpha_show, overlay_alpha_store),
1484 __ATTR(ovl_mode, S_IRUGO|S_IWUSR,
1485 overlay_mode_show, overlay_mode_store),
1486 __ATTR(ovl_position, S_IRUGO|S_IWUSR,
1487 overlay_position_show, overlay_position_store),
1488 __ATTR(ovl_rop3, S_IRUGO|S_IWUSR,
1489 overlay_rop3_show, overlay_rop3_store),
1490};
1491
1492static const struct fb_fix_screeninfo sh_mobile_lcdc_overlay_fix = {
1493 .id = "SH Mobile LCDC",
1494 .type = FB_TYPE_PACKED_PIXELS,
1495 .visual = FB_VISUAL_TRUECOLOR,
1496 .accel = FB_ACCEL_NONE,
1497 .xpanstep = 1,
1498 .ypanstep = 1,
1499 .ywrapstep = 0,
1500 .capabilities = FB_CAP_FOURCC,
1501};
1502
1503static int sh_mobile_lcdc_overlay_pan(struct fb_var_screeninfo *var,
1504 struct fb_info *info)
1505{
1506 struct sh_mobile_lcdc_overlay *ovl = info->par;
1507 unsigned long base_addr_y;
1508 unsigned long base_addr_c;
1509 unsigned long y_offset;
1510 unsigned long c_offset;
1511
1512 if (!ovl->format->yuv) {
1513 y_offset = (var->yoffset * ovl->xres_virtual + var->xoffset)
1514 * ovl->format->bpp / 8;
1515 c_offset = 0;
1516 } else {
1517 unsigned int xsub = ovl->format->bpp < 24 ? 2 : 1;
1518 unsigned int ysub = ovl->format->bpp < 16 ? 2 : 1;
1519
1520 y_offset = var->yoffset * ovl->xres_virtual + var->xoffset;
1521 c_offset = var->yoffset / ysub * ovl->xres_virtual * 2 / xsub
1522 + var->xoffset * 2 / xsub;
1523 }
1524
1525 /* If the Y offset hasn't changed, the C offset hasn't either. There's
1526 * nothing to do in that case.
1527 */
1528 if (y_offset == ovl->pan_y_offset)
1529 return 0;
1530
1531 /* Set the source address for the next refresh */
1532 base_addr_y = ovl->dma_handle + y_offset;
1533 base_addr_c = ovl->dma_handle + ovl->xres_virtual * ovl->yres_virtual
1534 + c_offset;
1535
1536 ovl->base_addr_y = base_addr_y;
1537 ovl->base_addr_c = base_addr_c;
1538 ovl->pan_y_offset = y_offset;
1539
1540 lcdc_write(ovl->channel->lcdc, LDBCR, LDBCR_UPC(ovl->index));
1541
1542 lcdc_write_overlay(ovl, LDBnBSAYR(ovl->index), ovl->base_addr_y);
1543 lcdc_write_overlay(ovl, LDBnBSACR(ovl->index), ovl->base_addr_c);
1544
1545 lcdc_write(ovl->channel->lcdc, LDBCR,
1546 LDBCR_UPF(ovl->index) | LDBCR_UPD(ovl->index));
1547
1548 return 0;
1549}
1550
1551static int sh_mobile_lcdc_overlay_ioctl(struct fb_info *info, unsigned int cmd,
1552 unsigned long arg)
1553{
1554 struct sh_mobile_lcdc_overlay *ovl = info->par;
1555
1556 switch (cmd) {
1557 case FBIO_WAITFORVSYNC:
1558 return sh_mobile_lcdc_wait_for_vsync(ovl->channel);
1559
1560 default:
1561 return -ENOIOCTLCMD;
1562 }
1563}
1564
1565static int sh_mobile_lcdc_overlay_check_var(struct fb_var_screeninfo *var,
1566 struct fb_info *info)
1567{
1568 return __sh_mobile_lcdc_check_var(var, info);
1569}
1570
1571static int sh_mobile_lcdc_overlay_set_par(struct fb_info *info)
1572{
1573 struct sh_mobile_lcdc_overlay *ovl = info->par;
1574
1575 ovl->format =
1576 sh_mobile_format_info(sh_mobile_format_fourcc(&info->var));
1577
1578 ovl->xres = info->var.xres;
1579 ovl->xres_virtual = info->var.xres_virtual;
1580 ovl->yres = info->var.yres;
1581 ovl->yres_virtual = info->var.yres_virtual;
1582
1583 if (ovl->format->yuv)
1584 ovl->pitch = info->var.xres_virtual;
1585 else
1586 ovl->pitch = info->var.xres_virtual * ovl->format->bpp / 8;
1587
1588 sh_mobile_lcdc_overlay_setup(ovl);
1589
1590 info->fix.line_length = ovl->pitch;
1591
1592 if (sh_mobile_format_is_fourcc(&info->var)) {
1593 info->fix.type = FB_TYPE_FOURCC;
1594 info->fix.visual = FB_VISUAL_FOURCC;
1595 } else {
1596 info->fix.type = FB_TYPE_PACKED_PIXELS;
1597 info->fix.visual = FB_VISUAL_TRUECOLOR;
1598 }
1599
1600 return 0;
1601}
1602
1603/* Overlay blanking. Disable the overlay when blanked. */
1604static int sh_mobile_lcdc_overlay_blank(int blank, struct fb_info *info)
1605{
1606 struct sh_mobile_lcdc_overlay *ovl = info->par;
1607
1608 ovl->enabled = !blank;
1609 sh_mobile_lcdc_overlay_setup(ovl);
1610
1611 /* Prevent the backlight from receiving a blanking event by returning
1612 * a non-zero value.
1613 */
1614 return 1;
1615}
1616
1617static struct fb_ops sh_mobile_lcdc_overlay_ops = {
1618 .owner = THIS_MODULE,
1619 .fb_read = fb_sys_read,
1620 .fb_write = fb_sys_write,
1621 .fb_fillrect = sys_fillrect,
1622 .fb_copyarea = sys_copyarea,
1623 .fb_imageblit = sys_imageblit,
1624 .fb_blank = sh_mobile_lcdc_overlay_blank,
1625 .fb_pan_display = sh_mobile_lcdc_overlay_pan,
1626 .fb_ioctl = sh_mobile_lcdc_overlay_ioctl,
1627 .fb_check_var = sh_mobile_lcdc_overlay_check_var,
1628 .fb_set_par = sh_mobile_lcdc_overlay_set_par,
1629};
1630
1631static void
1632sh_mobile_lcdc_overlay_fb_unregister(struct sh_mobile_lcdc_overlay *ovl)
1633{
1634 struct fb_info *info = ovl->info;
1635
1636 if (info == NULL || info->dev == NULL)
1637 return;
1638
1639 unregister_framebuffer(ovl->info);
1640}
1641
1642static int __devinit
1643sh_mobile_lcdc_overlay_fb_register(struct sh_mobile_lcdc_overlay *ovl)
1644{
1645 struct sh_mobile_lcdc_priv *lcdc = ovl->channel->lcdc;
1646 struct fb_info *info = ovl->info;
1647 unsigned int i;
1648 int ret;
1649
1650 if (info == NULL)
1651 return 0;
1652
1653 ret = register_framebuffer(info);
1654 if (ret < 0)
1655 return ret;
1656
1657 dev_info(lcdc->dev, "registered %s/overlay %u as %dx%d %dbpp.\n",
1658 dev_name(lcdc->dev), ovl->index, info->var.xres,
1659 info->var.yres, info->var.bits_per_pixel);
1660
1661 for (i = 0; i < ARRAY_SIZE(overlay_sysfs_attrs); ++i) {
1662 ret = device_create_file(info->dev, &overlay_sysfs_attrs[i]);
1663 if (ret < 0)
1664 return ret;
1665 }
1666
1667 return 0;
1668}
1669
1670static void
1671sh_mobile_lcdc_overlay_fb_cleanup(struct sh_mobile_lcdc_overlay *ovl)
1672{
1673 struct fb_info *info = ovl->info;
1674
1675 if (info == NULL || info->device == NULL)
1676 return;
1677
1678 framebuffer_release(info);
1679}
1680
1681static int __devinit
1682sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl)
1683{
1684 struct sh_mobile_lcdc_priv *priv = ovl->channel->lcdc;
1685 struct fb_var_screeninfo *var;
1686 struct fb_info *info;
1687
1688 /* Allocate and initialize the frame buffer device. */
1689 info = framebuffer_alloc(0, priv->dev);
1690 if (info == NULL) {
1691 dev_err(priv->dev, "unable to allocate fb_info\n");
1692 return -ENOMEM;
1693 }
1694
1695 ovl->info = info;
1696
1697 info->flags = FBINFO_FLAG_DEFAULT;
1698 info->fbops = &sh_mobile_lcdc_overlay_ops;
1699 info->device = priv->dev;
1700 info->screen_base = ovl->fb_mem;
1701 info->par = ovl;
1702
1703 /* Initialize fixed screen information. Restrict pan to 2 lines steps
1704 * for NV12 and NV21.
1705 */
1706 info->fix = sh_mobile_lcdc_overlay_fix;
1707 snprintf(info->fix.id, sizeof(info->fix.id),
1708 "SH Mobile LCDC Overlay %u", ovl->index);
1709 info->fix.smem_start = ovl->dma_handle;
1710 info->fix.smem_len = ovl->fb_size;
1711 info->fix.line_length = ovl->pitch;
1712
1713 if (ovl->format->yuv)
1714 info->fix.visual = FB_VISUAL_FOURCC;
1715 else
1716 info->fix.visual = FB_VISUAL_TRUECOLOR;
1717
1718 switch (ovl->format->fourcc) {
1719 case V4L2_PIX_FMT_NV12:
1720 case V4L2_PIX_FMT_NV21:
1721 info->fix.ypanstep = 2;
1722 case V4L2_PIX_FMT_NV16:
1723 case V4L2_PIX_FMT_NV61:
1724 info->fix.xpanstep = 2;
1725 }
1726
1727 /* Initialize variable screen information. */
1728 var = &info->var;
1729 memset(var, 0, sizeof(*var));
1730 var->xres = ovl->xres;
1731 var->yres = ovl->yres;
1732 var->xres_virtual = ovl->xres_virtual;
1733 var->yres_virtual = ovl->yres_virtual;
1734 var->activate = FB_ACTIVATE_NOW;
1735
1736 /* Use the legacy API by default for RGB formats, and the FOURCC API
1737 * for YUV formats.
1738 */
1739 if (!ovl->format->yuv)
1740 var->bits_per_pixel = ovl->format->bpp;
1741 else
1742 var->grayscale = ovl->format->fourcc;
1743
1744 return sh_mobile_lcdc_overlay_check_var(var, info);
1745}
1746
1747/* -----------------------------------------------------------------------------
1748 * Frame buffer operations - main frame buffer
980 */ 1749 */
981 1750
982static int sh_mobile_lcdc_setcolreg(u_int regno, 1751static int sh_mobile_lcdc_setcolreg(u_int regno,
@@ -1003,12 +1772,12 @@ static int sh_mobile_lcdc_setcolreg(u_int regno,
1003 return 0; 1772 return 0;
1004} 1773}
1005 1774
1006static struct fb_fix_screeninfo sh_mobile_lcdc_fix = { 1775static const struct fb_fix_screeninfo sh_mobile_lcdc_fix = {
1007 .id = "SH Mobile LCDC", 1776 .id = "SH Mobile LCDC",
1008 .type = FB_TYPE_PACKED_PIXELS, 1777 .type = FB_TYPE_PACKED_PIXELS,
1009 .visual = FB_VISUAL_TRUECOLOR, 1778 .visual = FB_VISUAL_TRUECOLOR,
1010 .accel = FB_ACCEL_NONE, 1779 .accel = FB_ACCEL_NONE,
1011 .xpanstep = 0, 1780 .xpanstep = 1,
1012 .ypanstep = 1, 1781 .ypanstep = 1,
1013 .ywrapstep = 0, 1782 .ywrapstep = 0,
1014 .capabilities = FB_CAP_FOURCC, 1783 .capabilities = FB_CAP_FOURCC,
@@ -1035,78 +1804,74 @@ static void sh_mobile_lcdc_imageblit(struct fb_info *info,
1035 sh_mobile_lcdc_deferred_io_touch(info); 1804 sh_mobile_lcdc_deferred_io_touch(info);
1036} 1805}
1037 1806
1038static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var, 1807static int sh_mobile_lcdc_pan(struct fb_var_screeninfo *var,
1039 struct fb_info *info) 1808 struct fb_info *info)
1040{ 1809{
1041 struct sh_mobile_lcdc_chan *ch = info->par; 1810 struct sh_mobile_lcdc_chan *ch = info->par;
1042 struct sh_mobile_lcdc_priv *priv = ch->lcdc; 1811 struct sh_mobile_lcdc_priv *priv = ch->lcdc;
1043 unsigned long ldrcntr; 1812 unsigned long ldrcntr;
1044 unsigned long new_pan_offset;
1045 unsigned long base_addr_y, base_addr_c; 1813 unsigned long base_addr_y, base_addr_c;
1814 unsigned long y_offset;
1046 unsigned long c_offset; 1815 unsigned long c_offset;
1047 1816
1048 if (!ch->format->yuv) 1817 if (!ch->format->yuv) {
1049 new_pan_offset = var->yoffset * ch->pitch 1818 y_offset = (var->yoffset * ch->xres_virtual + var->xoffset)
1050 + var->xoffset * (ch->format->bpp / 8); 1819 * ch->format->bpp / 8;
1051 else 1820 c_offset = 0;
1052 new_pan_offset = var->yoffset * ch->pitch + var->xoffset; 1821 } else {
1822 unsigned int xsub = ch->format->bpp < 24 ? 2 : 1;
1823 unsigned int ysub = ch->format->bpp < 16 ? 2 : 1;
1053 1824
1054 if (new_pan_offset == ch->pan_offset) 1825 y_offset = var->yoffset * ch->xres_virtual + var->xoffset;
1055 return 0; /* No change, do nothing */ 1826 c_offset = var->yoffset / ysub * ch->xres_virtual * 2 / xsub
1827 + var->xoffset * 2 / xsub;
1828 }
1056 1829
1057 ldrcntr = lcdc_read(priv, _LDRCNTR); 1830 /* If the Y offset hasn't changed, the C offset hasn't either. There's
1831 * nothing to do in that case.
1832 */
1833 if (y_offset == ch->pan_y_offset)
1834 return 0;
1058 1835
1059 /* Set the source address for the next refresh */ 1836 /* Set the source address for the next refresh */
1060 base_addr_y = ch->dma_handle + new_pan_offset; 1837 base_addr_y = ch->dma_handle + y_offset;
1061 if (ch->format->yuv) { 1838 base_addr_c = ch->dma_handle + ch->xres_virtual * ch->yres_virtual
1062 /* Set y offset */ 1839 + c_offset;
1063 c_offset = var->yoffset * ch->pitch
1064 * (ch->format->bpp - 8) / 8;
1065 base_addr_c = ch->dma_handle + ch->xres * ch->yres_virtual
1066 + c_offset;
1067 /* Set x offset */
1068 if (ch->format->fourcc == V4L2_PIX_FMT_NV24)
1069 base_addr_c += 2 * var->xoffset;
1070 else
1071 base_addr_c += var->xoffset;
1072 }
1073 1840
1074 if (ch->meram) { 1841 if (ch->cache)
1075 struct sh_mobile_meram_info *mdev; 1842 sh_mobile_meram_cache_update(priv->meram_dev, ch->cache,
1076 1843 base_addr_y, base_addr_c,
1077 mdev = priv->meram_dev; 1844 &base_addr_y, &base_addr_c);
1078 mdev->ops->meram_update(mdev, ch->meram,
1079 base_addr_y, base_addr_c,
1080 &base_addr_y, &base_addr_c);
1081 }
1082 1845
1083 ch->base_addr_y = base_addr_y; 1846 ch->base_addr_y = base_addr_y;
1084 ch->base_addr_c = base_addr_c; 1847 ch->base_addr_c = base_addr_c;
1848 ch->pan_y_offset = y_offset;
1085 1849
1086 lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y); 1850 lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y);
1087 if (ch->format->yuv) 1851 if (ch->format->yuv)
1088 lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c); 1852 lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c);
1089 1853
1854 ldrcntr = lcdc_read(priv, _LDRCNTR);
1090 if (lcdc_chan_is_sublcd(ch)) 1855 if (lcdc_chan_is_sublcd(ch))
1091 lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_SRS); 1856 lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_SRS);
1092 else 1857 else
1093 lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_MRS); 1858 lcdc_write(ch->lcdc, _LDRCNTR, ldrcntr ^ LDRCNTR_MRS);
1094 1859
1095 ch->pan_offset = new_pan_offset;
1096 1860
1097 sh_mobile_lcdc_deferred_io_touch(info); 1861 sh_mobile_lcdc_deferred_io_touch(info);
1098 1862
1099 return 0; 1863 return 0;
1100} 1864}
1101 1865
1102static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd, 1866static int sh_mobile_lcdc_ioctl(struct fb_info *info, unsigned int cmd,
1103 unsigned long arg) 1867 unsigned long arg)
1104{ 1868{
1869 struct sh_mobile_lcdc_chan *ch = info->par;
1105 int retval; 1870 int retval;
1106 1871
1107 switch (cmd) { 1872 switch (cmd) {
1108 case FBIO_WAITFORVSYNC: 1873 case FBIO_WAITFORVSYNC:
1109 retval = sh_mobile_wait_for_vsync(info->par); 1874 retval = sh_mobile_lcdc_wait_for_vsync(ch);
1110 break; 1875 break;
1111 1876
1112 default: 1877 default:
@@ -1158,7 +1923,7 @@ static void sh_mobile_fb_reconfig(struct fb_info *info)
1158 * Locking: both .fb_release() and .fb_open() are called with info->lock held if 1923 * Locking: both .fb_release() and .fb_open() are called with info->lock held if
1159 * user == 1, or with console sem held, if user == 0. 1924 * user == 1, or with console sem held, if user == 0.
1160 */ 1925 */
1161static int sh_mobile_release(struct fb_info *info, int user) 1926static int sh_mobile_lcdc_release(struct fb_info *info, int user)
1162{ 1927{
1163 struct sh_mobile_lcdc_chan *ch = info->par; 1928 struct sh_mobile_lcdc_chan *ch = info->par;
1164 1929
@@ -1179,7 +1944,7 @@ static int sh_mobile_release(struct fb_info *info, int user)
1179 return 0; 1944 return 0;
1180} 1945}
1181 1946
1182static int sh_mobile_open(struct fb_info *info, int user) 1947static int sh_mobile_lcdc_open(struct fb_info *info, int user)
1183{ 1948{
1184 struct sh_mobile_lcdc_chan *ch = info->par; 1949 struct sh_mobile_lcdc_chan *ch = info->par;
1185 1950
@@ -1192,7 +1957,8 @@ static int sh_mobile_open(struct fb_info *info, int user)
1192 return 0; 1957 return 0;
1193} 1958}
1194 1959
1195static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *info) 1960static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var,
1961 struct fb_info *info)
1196{ 1962{
1197 struct sh_mobile_lcdc_chan *ch = info->par; 1963 struct sh_mobile_lcdc_chan *ch = info->par;
1198 struct sh_mobile_lcdc_priv *p = ch->lcdc; 1964 struct sh_mobile_lcdc_priv *p = ch->lcdc;
@@ -1200,9 +1966,7 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
1200 unsigned int best_xres = 0; 1966 unsigned int best_xres = 0;
1201 unsigned int best_yres = 0; 1967 unsigned int best_yres = 0;
1202 unsigned int i; 1968 unsigned int i;
1203 1969 int ret;
1204 if (var->xres > MAX_XRES || var->yres > MAX_YRES)
1205 return -EINVAL;
1206 1970
1207 /* If board code provides us with a list of available modes, make sure 1971 /* If board code provides us with a list of available modes, make sure
1208 * we use one of them. Find the mode closest to the requested one. The 1972 * we use one of them. Find the mode closest to the requested one. The
@@ -1237,73 +2001,9 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
1237 var->yres = best_yres; 2001 var->yres = best_yres;
1238 } 2002 }
1239 2003
1240 /* Make sure the virtual resolution is at least as big as the visible 2004 ret = __sh_mobile_lcdc_check_var(var, info);
1241 * resolution. 2005 if (ret < 0)
1242 */ 2006 return ret;
1243 if (var->xres_virtual < var->xres)
1244 var->xres_virtual = var->xres;
1245 if (var->yres_virtual < var->yres)
1246 var->yres_virtual = var->yres;
1247
1248 if (sh_mobile_format_is_fourcc(var)) {
1249 const struct sh_mobile_lcdc_format_info *format;
1250
1251 format = sh_mobile_format_info(var->grayscale);
1252 if (format == NULL)
1253 return -EINVAL;
1254 var->bits_per_pixel = format->bpp;
1255
1256 /* Default to RGB and JPEG color-spaces for RGB and YUV formats
1257 * respectively.
1258 */
1259 if (!format->yuv)
1260 var->colorspace = V4L2_COLORSPACE_SRGB;
1261 else if (var->colorspace != V4L2_COLORSPACE_REC709)
1262 var->colorspace = V4L2_COLORSPACE_JPEG;
1263 } else {
1264 if (var->bits_per_pixel <= 16) { /* RGB 565 */
1265 var->bits_per_pixel = 16;
1266 var->red.offset = 11;
1267 var->red.length = 5;
1268 var->green.offset = 5;
1269 var->green.length = 6;
1270 var->blue.offset = 0;
1271 var->blue.length = 5;
1272 var->transp.offset = 0;
1273 var->transp.length = 0;
1274 } else if (var->bits_per_pixel <= 24) { /* RGB 888 */
1275 var->bits_per_pixel = 24;
1276 var->red.offset = 16;
1277 var->red.length = 8;
1278 var->green.offset = 8;
1279 var->green.length = 8;
1280 var->blue.offset = 0;
1281 var->blue.length = 8;
1282 var->transp.offset = 0;
1283 var->transp.length = 0;
1284 } else if (var->bits_per_pixel <= 32) { /* RGBA 888 */
1285 var->bits_per_pixel = 32;
1286 var->red.offset = 16;
1287 var->red.length = 8;
1288 var->green.offset = 8;
1289 var->green.length = 8;
1290 var->blue.offset = 0;
1291 var->blue.length = 8;
1292 var->transp.offset = 24;
1293 var->transp.length = 8;
1294 } else
1295 return -EINVAL;
1296
1297 var->red.msb_right = 0;
1298 var->green.msb_right = 0;
1299 var->blue.msb_right = 0;
1300 var->transp.msb_right = 0;
1301 }
1302
1303 /* Make sure we don't exceed our allocated memory. */
1304 if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
1305 info->fix.smem_len)
1306 return -EINVAL;
1307 2007
1308 /* only accept the forced_fourcc for dual channel configurations */ 2008 /* only accept the forced_fourcc for dual channel configurations */
1309 if (p->forced_fourcc && 2009 if (p->forced_fourcc &&
@@ -1313,7 +2013,7 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
1313 return 0; 2013 return 0;
1314} 2014}
1315 2015
1316static int sh_mobile_set_par(struct fb_info *info) 2016static int sh_mobile_lcdc_set_par(struct fb_info *info)
1317{ 2017{
1318 struct sh_mobile_lcdc_chan *ch = info->par; 2018 struct sh_mobile_lcdc_chan *ch = info->par;
1319 int ret; 2019 int ret;
@@ -1329,9 +2029,9 @@ static int sh_mobile_set_par(struct fb_info *info)
1329 ch->yres_virtual = info->var.yres_virtual; 2029 ch->yres_virtual = info->var.yres_virtual;
1330 2030
1331 if (ch->format->yuv) 2031 if (ch->format->yuv)
1332 ch->pitch = info->var.xres; 2032 ch->pitch = info->var.xres_virtual;
1333 else 2033 else
1334 ch->pitch = info->var.xres * ch->format->bpp / 8; 2034 ch->pitch = info->var.xres_virtual * ch->format->bpp / 8;
1335 2035
1336 ret = sh_mobile_lcdc_start(ch->lcdc); 2036 ret = sh_mobile_lcdc_start(ch->lcdc);
1337 if (ret < 0) 2037 if (ret < 0)
@@ -1383,8 +2083,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info)
1383 * mode will reenable the clocks and update the screen in time, 2083 * mode will reenable the clocks and update the screen in time,
1384 * so it does not need this. */ 2084 * so it does not need this. */
1385 if (!info->fbdefio) { 2085 if (!info->fbdefio) {
1386 sh_mobile_wait_for_vsync(ch); 2086 sh_mobile_lcdc_wait_for_vsync(ch);
1387 sh_mobile_wait_for_vsync(ch); 2087 sh_mobile_lcdc_wait_for_vsync(ch);
1388 } 2088 }
1389 sh_mobile_lcdc_clk_off(p); 2089 sh_mobile_lcdc_clk_off(p);
1390 } 2090 }
@@ -1402,12 +2102,12 @@ static struct fb_ops sh_mobile_lcdc_ops = {
1402 .fb_copyarea = sh_mobile_lcdc_copyarea, 2102 .fb_copyarea = sh_mobile_lcdc_copyarea,
1403 .fb_imageblit = sh_mobile_lcdc_imageblit, 2103 .fb_imageblit = sh_mobile_lcdc_imageblit,
1404 .fb_blank = sh_mobile_lcdc_blank, 2104 .fb_blank = sh_mobile_lcdc_blank,
1405 .fb_pan_display = sh_mobile_fb_pan_display, 2105 .fb_pan_display = sh_mobile_lcdc_pan,
1406 .fb_ioctl = sh_mobile_ioctl, 2106 .fb_ioctl = sh_mobile_lcdc_ioctl,
1407 .fb_open = sh_mobile_open, 2107 .fb_open = sh_mobile_lcdc_open,
1408 .fb_release = sh_mobile_release, 2108 .fb_release = sh_mobile_lcdc_release,
1409 .fb_check_var = sh_mobile_check_var, 2109 .fb_check_var = sh_mobile_lcdc_check_var,
1410 .fb_set_par = sh_mobile_set_par, 2110 .fb_set_par = sh_mobile_lcdc_set_par,
1411}; 2111};
1412 2112
1413static void 2113static void
@@ -1514,19 +2214,24 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
1514 else 2214 else
1515 info->fix.visual = FB_VISUAL_TRUECOLOR; 2215 info->fix.visual = FB_VISUAL_TRUECOLOR;
1516 2216
1517 if (ch->format->fourcc == V4L2_PIX_FMT_NV12 || 2217 switch (ch->format->fourcc) {
1518 ch->format->fourcc == V4L2_PIX_FMT_NV21) 2218 case V4L2_PIX_FMT_NV12:
2219 case V4L2_PIX_FMT_NV21:
1519 info->fix.ypanstep = 2; 2220 info->fix.ypanstep = 2;
2221 case V4L2_PIX_FMT_NV16:
2222 case V4L2_PIX_FMT_NV61:
2223 info->fix.xpanstep = 2;
2224 }
1520 2225
1521 /* Initialize variable screen information using the first mode as 2226 /* Initialize variable screen information using the first mode as
1522 * default. The default Y virtual resolution is twice the panel size to 2227 * default.
1523 * allow for double-buffering.
1524 */ 2228 */
1525 var = &info->var; 2229 var = &info->var;
1526 fb_videomode_to_var(var, mode); 2230 fb_videomode_to_var(var, mode);
1527 var->width = ch->cfg->panel_cfg.width; 2231 var->width = ch->cfg->panel_cfg.width;
1528 var->height = ch->cfg->panel_cfg.height; 2232 var->height = ch->cfg->panel_cfg.height;
1529 var->yres_virtual = var->yres * 2; 2233 var->xres_virtual = ch->xres_virtual;
2234 var->yres_virtual = ch->yres_virtual;
1530 var->activate = FB_ACTIVATE_NOW; 2235 var->activate = FB_ACTIVATE_NOW;
1531 2236
1532 /* Use the legacy API by default for RGB formats, and the FOURCC API 2237 /* Use the legacy API by default for RGB formats, and the FOURCC API
@@ -1537,7 +2242,7 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
1537 else 2242 else
1538 var->grayscale = ch->format->fourcc; 2243 var->grayscale = ch->format->fourcc;
1539 2244
1540 ret = sh_mobile_check_var(var, info); 2245 ret = sh_mobile_lcdc_check_var(var, info);
1541 if (ret) 2246 if (ret)
1542 return ret; 2247 return ret;
1543 2248
@@ -1712,15 +2417,27 @@ static const struct fb_videomode default_720p __devinitconst = {
1712static int sh_mobile_lcdc_remove(struct platform_device *pdev) 2417static int sh_mobile_lcdc_remove(struct platform_device *pdev)
1713{ 2418{
1714 struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev); 2419 struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev);
1715 int i; 2420 unsigned int i;
1716 2421
1717 fb_unregister_client(&priv->notifier); 2422 fb_unregister_client(&priv->notifier);
1718 2423
2424 for (i = 0; i < ARRAY_SIZE(priv->overlays); i++)
2425 sh_mobile_lcdc_overlay_fb_unregister(&priv->overlays[i]);
1719 for (i = 0; i < ARRAY_SIZE(priv->ch); i++) 2426 for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
1720 sh_mobile_lcdc_channel_fb_unregister(&priv->ch[i]); 2427 sh_mobile_lcdc_channel_fb_unregister(&priv->ch[i]);
1721 2428
1722 sh_mobile_lcdc_stop(priv); 2429 sh_mobile_lcdc_stop(priv);
1723 2430
2431 for (i = 0; i < ARRAY_SIZE(priv->overlays); i++) {
2432 struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[i];
2433
2434 sh_mobile_lcdc_overlay_fb_cleanup(ovl);
2435
2436 if (ovl->fb_mem)
2437 dma_free_coherent(&pdev->dev, ovl->fb_size,
2438 ovl->fb_mem, ovl->dma_handle);
2439 }
2440
1724 for (i = 0; i < ARRAY_SIZE(priv->ch); i++) { 2441 for (i = 0; i < ARRAY_SIZE(priv->ch); i++) {
1725 struct sh_mobile_lcdc_chan *ch = &priv->ch[i]; 2442 struct sh_mobile_lcdc_chan *ch = &priv->ch[i];
1726 2443
@@ -1737,8 +2454,11 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
1737 } 2454 }
1738 2455
1739 for (i = 0; i < ARRAY_SIZE(priv->ch); i++) { 2456 for (i = 0; i < ARRAY_SIZE(priv->ch); i++) {
1740 if (priv->ch[i].bl) 2457 struct sh_mobile_lcdc_chan *ch = &priv->ch[i];
1741 sh_mobile_lcdc_bl_remove(priv->ch[i].bl); 2458
2459 if (ch->bl)
2460 sh_mobile_lcdc_bl_remove(ch->bl);
2461 mutex_destroy(&ch->open_lock);
1742 } 2462 }
1743 2463
1744 if (priv->dot_clk) { 2464 if (priv->dot_clk) {
@@ -1796,6 +2516,61 @@ static int __devinit sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan *
1796} 2516}
1797 2517
1798static int __devinit 2518static int __devinit
2519sh_mobile_lcdc_overlay_init(struct sh_mobile_lcdc_priv *priv,
2520 struct sh_mobile_lcdc_overlay *ovl)
2521{
2522 const struct sh_mobile_lcdc_format_info *format;
2523 int ret;
2524
2525 if (ovl->cfg->fourcc == 0)
2526 return 0;
2527
2528 /* Validate the format. */
2529 format = sh_mobile_format_info(ovl->cfg->fourcc);
2530 if (format == NULL) {
2531 dev_err(priv->dev, "Invalid FOURCC %08x\n", ovl->cfg->fourcc);
2532 return -EINVAL;
2533 }
2534
2535 ovl->enabled = false;
2536 ovl->mode = LCDC_OVERLAY_BLEND;
2537 ovl->alpha = 255;
2538 ovl->rop3 = 0;
2539 ovl->pos_x = 0;
2540 ovl->pos_y = 0;
2541
2542 /* The default Y virtual resolution is twice the panel size to allow for
2543 * double-buffering.
2544 */
2545 ovl->format = format;
2546 ovl->xres = ovl->cfg->max_xres;
2547 ovl->xres_virtual = ovl->xres;
2548 ovl->yres = ovl->cfg->max_yres;
2549 ovl->yres_virtual = ovl->yres * 2;
2550
2551 if (!format->yuv)
2552 ovl->pitch = ovl->xres_virtual * format->bpp / 8;
2553 else
2554 ovl->pitch = ovl->xres_virtual;
2555
2556 /* Allocate frame buffer memory. */
2557 ovl->fb_size = ovl->cfg->max_xres * ovl->cfg->max_yres
2558 * format->bpp / 8 * 2;
2559 ovl->fb_mem = dma_alloc_coherent(priv->dev, ovl->fb_size,
2560 &ovl->dma_handle, GFP_KERNEL);
2561 if (!ovl->fb_mem) {
2562 dev_err(priv->dev, "unable to allocate buffer\n");
2563 return -ENOMEM;
2564 }
2565
2566 ret = sh_mobile_lcdc_overlay_fb_init(ovl);
2567 if (ret < 0)
2568 return ret;
2569
2570 return 0;
2571}
2572
2573static int __devinit
1799sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv, 2574sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
1800 struct sh_mobile_lcdc_chan *ch) 2575 struct sh_mobile_lcdc_chan *ch)
1801{ 2576{
@@ -1854,7 +2629,9 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
1854 num_modes = cfg->num_modes; 2629 num_modes = cfg->num_modes;
1855 } 2630 }
1856 2631
1857 /* Use the first mode as default. */ 2632 /* Use the first mode as default. The default Y virtual resolution is
2633 * twice the panel size to allow for double-buffering.
2634 */
1858 ch->format = format; 2635 ch->format = format;
1859 ch->xres = mode->xres; 2636 ch->xres = mode->xres;
1860 ch->xres_virtual = mode->xres; 2637 ch->xres_virtual = mode->xres;
@@ -1863,10 +2640,10 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
1863 2640
1864 if (!format->yuv) { 2641 if (!format->yuv) {
1865 ch->colorspace = V4L2_COLORSPACE_SRGB; 2642 ch->colorspace = V4L2_COLORSPACE_SRGB;
1866 ch->pitch = ch->xres * format->bpp / 8; 2643 ch->pitch = ch->xres_virtual * format->bpp / 8;
1867 } else { 2644 } else {
1868 ch->colorspace = V4L2_COLORSPACE_REC709; 2645 ch->colorspace = V4L2_COLORSPACE_REC709;
1869 ch->pitch = ch->xres; 2646 ch->pitch = ch->xres_virtual;
1870 } 2647 }
1871 2648
1872 ch->display.width = cfg->panel_cfg.width; 2649 ch->display.width = cfg->panel_cfg.width;
@@ -1952,7 +2729,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
1952 } 2729 }
1953 init_waitqueue_head(&ch->frame_end_wait); 2730 init_waitqueue_head(&ch->frame_end_wait);
1954 init_completion(&ch->vsync_completion); 2731 init_completion(&ch->vsync_completion);
1955 ch->pan_offset = 0;
1956 2732
1957 /* probe the backlight is there is one defined */ 2733 /* probe the backlight is there is one defined */
1958 if (ch->cfg->bl_info.max_brightness) 2734 if (ch->cfg->bl_info.max_brightness)
@@ -2003,6 +2779,17 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
2003 goto err1; 2779 goto err1;
2004 } 2780 }
2005 2781
2782 for (i = 0; i < ARRAY_SIZE(pdata->overlays); i++) {
2783 struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[i];
2784
2785 ovl->cfg = &pdata->overlays[i];
2786 ovl->channel = &priv->ch[0];
2787
2788 error = sh_mobile_lcdc_overlay_init(priv, ovl);
2789 if (error)
2790 goto err1;
2791 }
2792
2006 error = sh_mobile_lcdc_start(priv); 2793 error = sh_mobile_lcdc_start(priv);
2007 if (error) { 2794 if (error) {
2008 dev_err(&pdev->dev, "unable to start hardware\n"); 2795 dev_err(&pdev->dev, "unable to start hardware\n");
@@ -2017,6 +2804,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
2017 goto err1; 2804 goto err1;
2018 } 2805 }
2019 2806
2807 for (i = 0; i < ARRAY_SIZE(pdata->overlays); i++) {
2808 struct sh_mobile_lcdc_overlay *ovl = &priv->overlays[i];
2809
2810 error = sh_mobile_lcdc_overlay_fb_register(ovl);
2811 if (error)
2812 goto err1;
2813 }
2814
2020 /* Failure ignored */ 2815 /* Failure ignored */
2021 priv->notifier.notifier_call = sh_mobile_lcdc_notify; 2816 priv->notifier.notifier_call = sh_mobile_lcdc_notify;
2022 fb_register_client(&priv->notifier); 2817 fb_register_client(&priv->notifier);
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-03 13:52:32 -0500