diff options
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/Kconfig | 10 | ||||
-rw-r--r-- | drivers/video/Makefile | 1 | ||||
-rw-r--r-- | drivers/video/backlight/locomolcd.c | 4 | ||||
-rw-r--r-- | drivers/video/bw2.c | 4 | ||||
-rw-r--r-- | drivers/video/carminefb.c | 2 | ||||
-rw-r--r-- | drivers/video/cg14.c | 4 | ||||
-rw-r--r-- | drivers/video/cg3.c | 4 | ||||
-rw-r--r-- | drivers/video/cg6.c | 4 | ||||
-rw-r--r-- | drivers/video/console/fbcon.c | 26 | ||||
-rw-r--r-- | drivers/video/console/fbcon.h | 1 | ||||
-rw-r--r-- | drivers/video/controlfb.c | 2 | ||||
-rw-r--r-- | drivers/video/ffb.c | 4 | ||||
-rw-r--r-- | drivers/video/fsl-diu-fb.c | 137 | ||||
-rw-r--r-- | drivers/video/fsl-diu-fb.h | 223 | ||||
-rw-r--r-- | drivers/video/jz4740_fb.c | 847 | ||||
-rw-r--r-- | drivers/video/leo.c | 4 | ||||
-rw-r--r-- | drivers/video/offb.c | 3 | ||||
-rw-r--r-- | drivers/video/omap2/displays/panel-acx565akm.c | 4 | ||||
-rw-r--r-- | drivers/video/p9100.c | 4 | ||||
-rw-r--r-- | drivers/video/sunxvr1000.c | 4 | ||||
-rw-r--r-- | drivers/video/tcx.c | 4 | ||||
-rw-r--r-- | drivers/video/tdfxfb.c | 4 | ||||
-rw-r--r-- | drivers/video/tgafb.c | 2 | ||||
-rw-r--r-- | drivers/video/xen-fbfront.c | 2 | ||||
-rw-r--r-- | drivers/video/xilinxfb.c | 2 |
25 files changed, 1032 insertions, 274 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 3d94a147172..7b11ea68c80 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1871,6 +1871,7 @@ config FB_MBX_DEBUG config FB_FSL_DIU tristate "Freescale DIU framebuffer support" depends on FB && FSL_SOC + select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2229,6 +2230,15 @@ config FB_BROADSHEET and could also have been called by other names when coupled with a bridge adapter. +config FB_JZ4740 + tristate "JZ4740 LCD framebuffer support" + depends on FB && MACH_JZ4740 + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + help + Framebuffer support for the JZ4740 SoC. + source "drivers/video/omap/Kconfig" source "drivers/video/omap2/Kconfig" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index ddc2af2ba45..f56a9cae215 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -131,6 +131,7 @@ obj-$(CONFIG_FB_CARMINE) += carminefb.o obj-$(CONFIG_FB_MB862XX) += mb862xx/ obj-$(CONFIG_FB_MSM) += msm/ obj-$(CONFIG_FB_NUC900) += nuc900fb.o +obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_UVESA) += uvesafb.o diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 7571bc26071..d2f59015d51 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -2,7 +2,7 @@ * Backlight control code for Sharp Zaurus SL-5500 * * Copyright 2005 John Lenz <lenz@cs.wisc.edu> - * Maintainer: Pavel Machek <pavel@suse.cz> (unless John wants to :-) + * Maintainer: Pavel Machek <pavel@ucw.cz> (unless John wants to :-) * GPL v2 * * This driver assumes single CPU. That's okay, because collie is @@ -246,6 +246,6 @@ static void __exit locomolcd_exit(void) module_init(locomolcd_init); module_exit(locomolcd_exit); -MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@suse.cz>"); +MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>, Pavel Machek <pavel@ucw.cz>"); MODULE_DESCRIPTION("Collie LCD driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c index 09f1b9b462f..c7796637baf 100644 --- a/drivers/video/bw2.c +++ b/drivers/video/bw2.c @@ -390,12 +390,12 @@ static int __init bw2_init(void) if (fb_get_options("bw2fb", NULL)) return -ENODEV; - return of_register_driver(&bw2_driver, &of_bus_type); + return of_register_platform_driver(&bw2_driver); } static void __exit bw2_exit(void) { - of_unregister_driver(&bw2_driver); + of_unregister_platform_driver(&bw2_driver); } module_init(bw2_init); diff --git a/drivers/video/carminefb.c b/drivers/video/carminefb.c index d8345fcc4fe..6b19136aa18 100644 --- a/drivers/video/carminefb.c +++ b/drivers/video/carminefb.c @@ -432,7 +432,7 @@ static int init_hardware(struct carmine_hw *hw) u32 loops; u32 ret; - /* Initalize Carmine */ + /* Initialize Carmine */ /* Sets internal clock */ c_set_hw_reg(hw, CARMINE_CTL_REG + CARMINE_CTL_REG_CLOCK_ENABLE, CARMINE_DFLT_IP_CLOCK_ENABLE); diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c index e5dc2241194..d09fde8beb6 100644 --- a/drivers/video/cg14.c +++ b/drivers/video/cg14.c @@ -610,12 +610,12 @@ static int __init cg14_init(void) if (fb_get_options("cg14fb", NULL)) return -ENODEV; - return of_register_driver(&cg14_driver, &of_bus_type); + return of_register_platform_driver(&cg14_driver); } static void __exit cg14_exit(void) { - of_unregister_driver(&cg14_driver); + of_unregister_platform_driver(&cg14_driver); } module_init(cg14_init); diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c index 558d73a948a..64aa29809fb 100644 --- a/drivers/video/cg3.c +++ b/drivers/video/cg3.c @@ -477,12 +477,12 @@ static int __init cg3_init(void) if (fb_get_options("cg3fb", NULL)) return -ENODEV; - return of_register_driver(&cg3_driver, &of_bus_type); + return of_register_platform_driver(&cg3_driver); } static void __exit cg3_exit(void) { - of_unregister_driver(&cg3_driver); + of_unregister_platform_driver(&cg3_driver); } module_init(cg3_init); diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c index 480d761a27a..2389a719dcc 100644 --- a/drivers/video/cg6.c +++ b/drivers/video/cg6.c @@ -870,12 +870,12 @@ static int __init cg6_init(void) if (fb_get_options("cg6fb", NULL)) return -ENODEV; - return of_register_driver(&cg6_driver, &of_bus_type); + return of_register_platform_driver(&cg6_driver); } static void __exit cg6_exit(void) { - of_unregister_driver(&cg6_driver); + of_unregister_platform_driver(&cg6_driver); } module_init(cg6_init); diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index b0a3fa00706..3b3f5749af9 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -2342,6 +2342,30 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch) return 0; } +static int fbcon_debug_enter(struct vc_data *vc) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + + ops->save_graphics = ops->graphics; + ops->graphics = 0; + if (info->fbops->fb_debug_enter) + info->fbops->fb_debug_enter(info); + fbcon_set_palette(vc, color_table); + return 0; +} + +static int fbcon_debug_leave(struct vc_data *vc) +{ + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; + struct fbcon_ops *ops = info->fbcon_par; + + ops->graphics = ops->save_graphics; + if (info->fbops->fb_debug_leave) + info->fbops->fb_debug_leave(info); + return 0; +} + static int fbcon_get_font(struct vc_data *vc, struct console_font *font) { u8 *fontdata = vc->vc_font.data; @@ -3276,6 +3300,8 @@ static const struct consw fb_con = { .con_screen_pos = fbcon_screen_pos, .con_getxy = fbcon_getxy, .con_resize = fbcon_resize, + .con_debug_enter = fbcon_debug_enter, + .con_debug_leave = fbcon_debug_leave, }; static struct notifier_block fbcon_event_notifier = { diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h index 89a346880ec..6bd2e0c7f20 100644 --- a/drivers/video/console/fbcon.h +++ b/drivers/video/console/fbcon.h @@ -74,6 +74,7 @@ struct fbcon_ops { int cursor_reset; int blank_state; int graphics; + int save_graphics; /* for debug enter/leave */ int flags; int rotate; int cur_rotate; diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c index 49fcbe8f18a..c225dcce89e 100644 --- a/drivers/video/controlfb.c +++ b/drivers/video/controlfb.c @@ -40,6 +40,8 @@ #include <linux/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/pci.h> diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c index 95c0227f47f..f6ecfab296d 100644 --- a/drivers/video/ffb.c +++ b/drivers/video/ffb.c @@ -1067,12 +1067,12 @@ static int __init ffb_init(void) if (fb_get_options("ffb", NULL)) return -ENODEV; - return of_register_driver(&ffb_driver, &of_bus_type); + return of_register_platform_driver(&ffb_driver); } static void __exit ffb_exit(void) { - of_unregister_driver(&ffb_driver); + of_unregister_platform_driver(&ffb_driver); } module_init(ffb_init); diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index 27455ce298b..e38ad222454 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -34,7 +34,8 @@ #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> -#include "fsl-diu-fb.h" +#include <linux/fsl-diu-fb.h> +#include "edid.h" /* * These parameters give default parameters @@ -217,6 +218,7 @@ struct mfb_info { int x_aoi_d; /* aoi display x offset to physical screen */ int y_aoi_d; /* aoi display y offset to physical screen */ struct fsl_diu_data *parent; + u8 *edid_data; }; @@ -317,6 +319,17 @@ static void fsl_diu_free(void *virt, size_t size) free_pages_exact(virt, size); } +/* + * Workaround for failed writing desc register of planes. + * Needed with MPC5121 DIU rev 2.0 silicon. + */ +void wr_reg_wa(u32 *reg, u32 val) +{ + do { + out_be32(reg, val); + } while (in_be32(reg) != val); +} + static int fsl_diu_enable_panel(struct fb_info *info) { struct mfb_info *pmfbi, *cmfbi, *mfbi = info->par; @@ -330,7 +343,7 @@ static int fsl_diu_enable_panel(struct fb_info *info) switch (mfbi->index) { case 0: /* plane 0 */ if (hw->desc[0] != ad->paddr) - out_be32(&hw->desc[0], ad->paddr); + wr_reg_wa(&hw->desc[0], ad->paddr); break; case 1: /* plane 1 AOI 0 */ cmfbi = machine_data->fsl_diu_info[2]->par; @@ -340,7 +353,7 @@ static int fsl_diu_enable_panel(struct fb_info *info) cpu_to_le32(cmfbi->ad->paddr); else ad->next_ad = 0; - out_be32(&hw->desc[1], ad->paddr); + wr_reg_wa(&hw->desc[1], ad->paddr); } break; case 3: /* plane 2 AOI 0 */ @@ -351,14 +364,14 @@ static int fsl_diu_enable_panel(struct fb_info *info) cpu_to_le32(cmfbi->ad->paddr); else ad->next_ad = 0; - out_be32(&hw->desc[2], ad->paddr); + wr_reg_wa(&hw->desc[2], ad->paddr); } break; case 2: /* plane 1 AOI 1 */ pmfbi = machine_data->fsl_diu_info[1]->par; ad->next_ad = 0; if (hw->desc[1] == machine_data->dummy_ad->paddr) - out_be32(&hw->desc[1], ad->paddr); + wr_reg_wa(&hw->desc[1], ad->paddr); else /* AOI0 open */ pmfbi->ad->next_ad = cpu_to_le32(ad->paddr); break; @@ -366,7 +379,7 @@ static int fsl_diu_enable_panel(struct fb_info *info) pmfbi = machine_data->fsl_diu_info[3]->par; ad->next_ad = 0; if (hw->desc[2] == machine_data->dummy_ad->paddr) - out_be32(&hw->desc[2], ad->paddr); + wr_reg_wa(&hw->desc[2], ad->paddr); else /* AOI0 was open */ pmfbi->ad->next_ad = cpu_to_le32(ad->paddr); break; @@ -390,27 +403,24 @@ static int fsl_diu_disable_panel(struct fb_info *info) switch (mfbi->index) { case 0: /* plane 0 */ if (hw->desc[0] != machine_data->dummy_ad->paddr) - out_be32(&hw->desc[0], - machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[0], machine_data->dummy_ad->paddr); break; case 1: /* plane 1 AOI 0 */ cmfbi = machine_data->fsl_diu_info[2]->par; if (cmfbi->count > 0) /* AOI1 is open */ - out_be32(&hw->desc[1], cmfbi->ad->paddr); + wr_reg_wa(&hw->desc[1], cmfbi->ad->paddr); /* move AOI1 to the first */ else /* AOI1 was closed */ - out_be32(&hw->desc[1], - machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr); /* close AOI 0 */ break; case 3: /* plane 2 AOI 0 */ cmfbi = machine_data->fsl_diu_info[4]->par; if (cmfbi->count > 0) /* AOI1 is open */ - out_be32(&hw->desc[2], cmfbi->ad->paddr); + wr_reg_wa(&hw->desc[2], cmfbi->ad->paddr); /* move AOI1 to the first */ else /* AOI1 was closed */ - out_be32(&hw->desc[2], - machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr); /* close AOI 0 */ break; case 2: /* plane 1 AOI 1 */ @@ -421,7 +431,7 @@ static int fsl_diu_disable_panel(struct fb_info *info) /* AOI0 is open, must be the first */ pmfbi->ad->next_ad = 0; } else /* AOI1 is the first in the chain */ - out_be32(&hw->desc[1], machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr); /* close AOI 1 */ break; case 4: /* plane 2 AOI 1 */ @@ -432,7 +442,7 @@ static int fsl_diu_disable_panel(struct fb_info *info) /* AOI0 is open, must be the first */ pmfbi->ad->next_ad = 0; } else /* AOI1 is the first in the chain */ - out_be32(&hw->desc[2], machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr); /* close AOI 1 */ break; default: @@ -1100,6 +1110,10 @@ static int fsl_diu_open(struct fb_info *info, int user) struct mfb_info *mfbi = info->par; int res = 0; + /* free boot splash memory on first /dev/fb0 open */ + if (!mfbi->index && diu_ops.release_bootmem) + diu_ops.release_bootmem(); + spin_lock(&diu_lock); mfbi->count++; if (mfbi->count == 1) { @@ -1173,18 +1187,30 @@ static int __devinit install_fb(struct fb_info *info) int rc; struct mfb_info *mfbi = info->par; const char *aoi_mode, *init_aoi_mode = "320x240"; + struct fb_videomode *db = fsl_diu_mode_db; + unsigned int dbsize = ARRAY_SIZE(fsl_diu_mode_db); + int has_default_mode = 1; if (init_fbinfo(info)) return -EINVAL; - if (mfbi->index == 0) /* plane 0 */ + if (mfbi->index == 0) { /* plane 0 */ + if (mfbi->edid_data) { + /* Now build modedb from EDID */ + fb_edid_to_monspecs(mfbi->edid_data, &info->monspecs); + fb_videomode_to_modelist(info->monspecs.modedb, + info->monspecs.modedb_len, + &info->modelist); + db = info->monspecs.modedb; + dbsize = info->monspecs.modedb_len; + } aoi_mode = fb_mode; - else + } else { aoi_mode = init_aoi_mode; + } pr_debug("mode used = %s\n", aoi_mode); - rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db, - ARRAY_SIZE(fsl_diu_mode_db), &fsl_diu_default_mode, default_bpp); - + rc = fb_find_mode(&info->var, info, aoi_mode, db, dbsize, + &fsl_diu_default_mode, default_bpp); switch (rc) { case 1: pr_debug("using mode specified in @mode\n"); @@ -1202,10 +1228,50 @@ static int __devinit install_fb(struct fb_info *info) default: pr_debug("rc = %d\n", rc); pr_debug("failed to find mode\n"); - return -EINVAL; + /* + * For plane 0 we continue and look into + * driver's internal modedb. + */ + if (mfbi->index == 0 && mfbi->edid_data) + has_default_mode = 0; + else + return -EINVAL; break; } + if (!has_default_mode) { + rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db, + ARRAY_SIZE(fsl_diu_mode_db), + &fsl_diu_default_mode, + default_bpp); + if (rc > 0 && rc < 5) + has_default_mode = 1; + } + + /* Still not found, use preferred mode from database if any */ + if (!has_default_mode && info->monspecs.modedb) { + struct fb_monspecs *specs = &info->monspecs; + struct fb_videomode *modedb = &specs->modedb[0]; + + /* + * Get preferred timing. If not found, + * first mode in database will be used. + */ + if (specs->misc & FB_MISC_1ST_DETAIL) { + int i; + + for (i = 0; i < specs->modedb_len; i++) { + if (specs->modedb[i].flag & FB_MODE_IS_FIRST) { + modedb = &specs->modedb[i]; + break; + } + } + } + + info->var.bits_per_pixel = default_bpp; + fb_videomode_to_var(&info->var, modedb); + } + pr_debug("xres_virtual %d\n", info->var.xres_virtual); pr_debug("bits_per_pixel %d\n", info->var.bits_per_pixel); @@ -1244,6 +1310,9 @@ static void uninstall_fb(struct fb_info *info) if (!mfbi->registered) return; + if (mfbi->index == 0) + kfree(mfbi->edid_data); + unregister_framebuffer(info); unmap_video_memory(info); if (&info->cmap) @@ -1427,6 +1496,7 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, int ret, i, error = 0; struct resource res; struct fsl_diu_data *machine_data; + int diu_mode; machine_data = kzalloc(sizeof(struct fsl_diu_data), GFP_KERNEL); if (!machine_data) @@ -1443,6 +1513,17 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, mfbi = machine_data->fsl_diu_info[i]->par; memcpy(mfbi, &mfb_template[i], sizeof(struct mfb_info)); mfbi->parent = machine_data; + + if (mfbi->index == 0) { + const u8 *prop; + int len; + + /* Get EDID */ + prop = of_get_property(np, "edid", &len); + if (prop && len == EDID_LENGTH) + mfbi->edid_data = kmemdup(prop, EDID_LENGTH, + GFP_KERNEL); + } } ret = of_address_to_resource(np, 0, &res); @@ -1463,7 +1544,9 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, goto error2; } - out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU anyway*/ + diu_mode = in_be32(&dr.diu_reg->diu_mode); + if (diu_mode != MFB_MODE1) + out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU */ /* Get the IRQ of the DIU */ machine_data->irq = irq_of_parse_and_map(np, 0); @@ -1511,7 +1594,13 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, machine_data->dummy_ad->offset_xyd = 0; machine_data->dummy_ad->next_ad = 0; - out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr); + /* + * Let DIU display splash screen if it was pre-initialized + * by the bootloader, set dummy area descriptor otherwise. + */ + if (diu_mode != MFB_MODE1) + out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr); + out_be32(&dr.diu_reg->desc[1], machine_data->dummy_ad->paddr); out_be32(&dr.diu_reg->desc[2], machine_data->dummy_ad->paddr); diff --git a/drivers/video/fsl-diu-fb.h b/drivers/video/fsl-diu-fb.h deleted file mode 100644 index fc295d7ea46..00000000000 --- a/drivers/video/fsl-diu-fb.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. - * - * Freescale DIU Frame Buffer device driver - * - * Authors: Hongjun Chen <hong-jun.chen@freescale.com> - * Paul Widmer <paul.widmer@freescale.com> - * Srikanth Srinivasan <srikanth.srinivasan@freescale.com> - * York Sun <yorksun@freescale.com> - * - * Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#ifndef __FSL_DIU_FB_H__ -#define __FSL_DIU_FB_H__ - -/* Arbitrary threshold to determine the allocation method - * See mpc8610fb_set_par(), map_video_memory(), and unmap_video_memory() - */ -#define MEM_ALLOC_THRESHOLD (1024*768*4+32) -/* Minimum value that the pixel clock can be set to in pico seconds - * This is determined by platform clock/3 where the minimum platform - * clock is 533MHz. This gives 5629 pico seconds. - */ -#define MIN_PIX_CLK 5629 -#define MAX_PIX_CLK 96096 - -#include <linux/types.h> - -struct mfb_alpha { - int enable; - int alpha; -}; - -struct mfb_chroma_key { - int enable; - __u8 red_max; - __u8 green_max; - __u8 blue_max; - __u8 red_min; - __u8 green_min; - __u8 blue_min; -}; - -struct aoi_display_offset { - int x_aoi_d; - int y_aoi_d; -}; - -#define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key) -#define MFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t) -#define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8) - -#define MFB_SET_ALPHA 0x80014d00 -#define MFB_GET_ALPHA 0x40014d00 -#define MFB_SET_AOID 0x80084d04 -#define MFB_GET_AOID 0x40084d04 -#define MFB_SET_PIXFMT 0x80014d08 -#define MFB_GET_PIXFMT 0x40014d08 - -#define FBIOGET_GWINFO 0x46E0 -#define FBIOPUT_GWINFO 0x46E1 - -#ifdef __KERNEL__ -#include <linux/spinlock.h> - -/* - * These are the fields of area descriptor(in DDR memory) for every plane - */ -struct diu_ad { - /* Word 0(32-bit) in DDR memory */ -/* __u16 comp; */ -/* __u16 pixel_s:2; */ -/* __u16 pallete:1; */ -/* __u16 red_c:2; */ -/* __u16 green_c:2; */ -/* __u16 blue_c:2; */ -/* __u16 alpha_c:3; */ -/* __u16 byte_f:1; */ -/* __u16 res0:3; */ - - __be32 pix_fmt; /* hard coding pixel format */ - - /* Word 1(32-bit) in DDR memory */ - __le32 addr; - - /* Word 2(32-bit) in DDR memory */ -/* __u32 delta_xs:11; */ -/* __u32 res1:1; */ -/* __u32 delta_ys:11; */ -/* __u32 res2:1; */ -/* __u32 g_alpha:8; */ - __le32 src_size_g_alpha; - - /* Word 3(32-bit) in DDR memory */ -/* __u32 delta_xi:11; */ -/* __u32 res3:5; */ -/* __u32 delta_yi:11; */ -/* __u32 res4:3; */ -/* __u32 flip:2; */ - __le32 aoi_size; - - /* Word 4(32-bit) in DDR memory */ - /*__u32 offset_xi:11; - __u32 res5:5; - __u32 offset_yi:11; - __u32 res6:5; - */ - __le32 offset_xyi; - - /* Word 5(32-bit) in DDR memory */ - /*__u32 offset_xd:11; - __u32 res7:5; - __u32 offset_yd:11; - __u32 res8:5; */ - __le32 offset_xyd; - - - /* Word 6(32-bit) in DDR memory */ - __u8 ckmax_r; - __u8 ckmax_g; - __u8 ckmax_b; - __u8 res9; - - /* Word 7(32-bit) in DDR memory */ - __u8 ckmin_r; - __u8 ckmin_g; - __u8 ckmin_b; - __u8 res10; -/* __u32 res10:8; */ - - /* Word 8(32-bit) in DDR memory */ - __le32 next_ad; - - /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */ - __u32 paddr; -} __attribute__ ((packed)); - -/* DIU register map */ -struct diu { - __be32 desc[3]; - __be32 gamma; - __be32 pallete; - __be32 cursor; - __be32 curs_pos; - __be32 diu_mode; - __be32 bgnd; - __be32 bgnd_wb; - __be32 disp_size; - __be32 wb_size; - __be32 wb_mem_addr; - __be32 hsyn_para; - __be32 vsyn_para; - __be32 syn_pol; - __be32 thresholds; - __be32 int_status; - __be32 int_mask; - __be32 colorbar[8]; - __be32 filling; - __be32 plut; -} __attribute__ ((packed)); - -struct diu_hw { - struct diu *diu_reg; - spinlock_t reg_lock; - - __u32 mode; /* DIU operation mode */ -}; - -struct diu_addr { - __u8 __iomem *vaddr; /* Virtual address */ - dma_addr_t paddr; /* Physical address */ - __u32 offset; -}; - -struct diu_pool { - struct diu_addr ad; - struct diu_addr gamma; - struct diu_addr pallete; - struct diu_addr cursor; -}; - -#define FSL_DIU_BASE_OFFSET 0x2C000 /* Offset of DIU */ -#define INT_LCDC 64 /* DIU interrupt number */ - -#define FSL_AOI_NUM 6 /* 5 AOIs and one dummy AOI */ - /* 1 for plane 0, 2 for plane 1&2 each */ - -/* Minimum X and Y resolutions */ -#define MIN_XRES 64 -#define MIN_YRES 64 - -/* HW cursor parameters */ -#define MAX_CURS 32 - -/* Modes of operation of DIU */ -#define MFB_MODE0 0 /* DIU off */ -#define MFB_MODE1 1 /* All three planes output to display */ -#define MFB_MODE2 2 /* Plane 1 to display, planes 2+3 written back*/ -#define MFB_MODE3 3 /* All three planes written back to memory */ -#define MFB_MODE4 4 /* Color bar generation */ - -/* INT_STATUS/INT_MASK field descriptions */ -#define INT_VSYNC 0x01 /* Vsync interrupt */ -#define INT_VSYNC_WB 0x02 /* Vsync interrupt for write back operation */ -#define INT_UNDRUN 0x04 /* Under run exception interrupt */ -#define INT_PARERR 0x08 /* Display parameters error interrupt */ -#define INT_LS_BF_VS 0x10 /* Lines before vsync. interrupt */ - -/* Panels'operation modes */ -#define MFB_TYPE_OUTPUT 0 /* Panel output to display */ -#define MFB_TYPE_OFF 1 /* Panel off */ -#define MFB_TYPE_WB 2 /* Panel written back to memory */ -#define MFB_TYPE_TEST 3 /* Panel generate color bar */ - -#endif /* __KERNEL__ */ -#endif /* __FSL_DIU_FB_H__ */ diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c new file mode 100644 index 00000000000..670ecaa0385 --- /dev/null +++ b/drivers/video/jz4740_fb.c @@ -0,0 +1,847 @@ +/* + * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> + * JZ4740 SoC LCD framebuffer driver + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/platform_device.h> + +#include <linux/clk.h> +#include <linux/delay.h> + +#include <linux/console.h> +#include <linux/fb.h> + +#include <linux/dma-mapping.h> + +#include <asm/mach-jz4740/jz4740_fb.h> +#include <asm/mach-jz4740/gpio.h> + +#define JZ_REG_LCD_CFG 0x00 +#define JZ_REG_LCD_VSYNC 0x04 +#define JZ_REG_LCD_HSYNC 0x08 +#define JZ_REG_LCD_VAT 0x0C +#define JZ_REG_LCD_DAH 0x10 +#define JZ_REG_LCD_DAV 0x14 +#define JZ_REG_LCD_PS 0x18 +#define JZ_REG_LCD_CLS 0x1C +#define JZ_REG_LCD_SPL 0x20 +#define JZ_REG_LCD_REV 0x24 +#define JZ_REG_LCD_CTRL 0x30 +#define JZ_REG_LCD_STATE 0x34 +#define JZ_REG_LCD_IID 0x38 +#define JZ_REG_LCD_DA0 0x40 +#define JZ_REG_LCD_SA0 0x44 +#define JZ_REG_LCD_FID0 0x48 +#define JZ_REG_LCD_CMD0 0x4C +#define JZ_REG_LCD_DA1 0x50 +#define JZ_REG_LCD_SA1 0x54 +#define JZ_REG_LCD_FID1 0x58 +#define JZ_REG_LCD_CMD1 0x5C + +#define JZ_LCD_CFG_SLCD BIT(31) +#define JZ_LCD_CFG_PS_DISABLE BIT(23) +#define JZ_LCD_CFG_CLS_DISABLE BIT(22) +#define JZ_LCD_CFG_SPL_DISABLE BIT(21) +#define JZ_LCD_CFG_REV_DISABLE BIT(20) +#define JZ_LCD_CFG_HSYNCM BIT(19) +#define JZ_LCD_CFG_PCLKM BIT(18) +#define JZ_LCD_CFG_INV BIT(17) +#define JZ_LCD_CFG_SYNC_DIR BIT(16) +#define JZ_LCD_CFG_PS_POLARITY BIT(15) +#define JZ_LCD_CFG_CLS_POLARITY BIT(14) +#define JZ_LCD_CFG_SPL_POLARITY BIT(13) +#define JZ_LCD_CFG_REV_POLARITY BIT(12) +#define JZ_LCD_CFG_HSYNC_ACTIVE_LOW BIT(11) +#define JZ_LCD_CFG_PCLK_FALLING_EDGE BIT(10) +#define JZ_LCD_CFG_DE_ACTIVE_LOW BIT(9) +#define JZ_LCD_CFG_VSYNC_ACTIVE_LOW BIT(8) +#define JZ_LCD_CFG_18_BIT BIT(7) +#define JZ_LCD_CFG_PDW (BIT(5) | BIT(4)) +#define JZ_LCD_CFG_MODE_MASK 0xf + +#define JZ_LCD_CTRL_BURST_4 (0x0 << 28) +#define JZ_LCD_CTRL_BURST_8 (0x1 << 28) +#define JZ_LCD_CTRL_BURST_16 (0x2 << 28) +#define JZ_LCD_CTRL_RGB555 BIT(27) +#define JZ_LCD_CTRL_OFUP BIT(26) +#define JZ_LCD_CTRL_FRC_GRAYSCALE_16 (0x0 << 24) +#define JZ_LCD_CTRL_FRC_GRAYSCALE_4 (0x1 << 24) +#define JZ_LCD_CTRL_FRC_GRAYSCALE_2 (0x2 << 24) +#define JZ_LCD_CTRL_PDD_MASK (0xff << 16) +#define JZ_LCD_CTRL_EOF_IRQ BIT(13) +#define JZ_LCD_CTRL_SOF_IRQ BIT(12) +#define JZ_LCD_CTRL_OFU_IRQ BIT(11) +#define JZ_LCD_CTRL_IFU0_IRQ BIT(10) +#define JZ_LCD_CTRL_IFU1_IRQ BIT(9) +#define JZ_LCD_CTRL_DD_IRQ BIT(8) +#define JZ_LCD_CTRL_QDD_IRQ BIT(7) +#define JZ_LCD_CTRL_REVERSE_ENDIAN BIT(6) +#define JZ_LCD_CTRL_LSB_FISRT BIT(5) +#define JZ_LCD_CTRL_DISABLE BIT(4) +#define JZ_LCD_CTRL_ENABLE BIT(3) +#define JZ_LCD_CTRL_BPP_1 0x0 +#define JZ_LCD_CTRL_BPP_2 0x1 +#define JZ_LCD_CTRL_BPP_4 0x2 +#define JZ_LCD_CTRL_BPP_8 0x3 +#define JZ_LCD_CTRL_BPP_15_16 0x4 +#define JZ_LCD_CTRL_BPP_18_24 0x5 + +#define JZ_LCD_CMD_SOF_IRQ BIT(15) +#define JZ_LCD_CMD_EOF_IRQ BIT(16) +#define JZ_LCD_CMD_ENABLE_PAL BIT(12) + +#define JZ_LCD_SYNC_MASK 0x3ff + +#define JZ_LCD_STATE_DISABLED BIT(0) + +struct jzfb_framedesc { + uint32_t next; + uint32_t addr; + uint32_t id; + uint32_t cmd; +} __packed; + +struct jzfb { + struct fb_info *fb; + struct platform_device *pdev; + void __iomem *base; + struct resource *mem; + struct jz4740_fb_platform_data *pdata; + + size_t vidmem_size; + void *vidmem; + dma_addr_t vidmem_phys; + struct jzfb_framedesc *framedesc; + dma_addr_t framedesc_phys; + + struct clk *ldclk; + struct clk *lpclk; + + unsigned is_enabled:1; + struct mutex lock; + + uint32_t pseudo_palette[16]; +}; + +static const struct fb_fix_screeninfo jzfb_fix __devinitdata = { + .id = "JZ4740 FB", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .accel = FB_ACCEL_NONE, +}; + +static const struct jz_gpio_bulk_request jz_lcd_ctrl_pins[] = { + JZ_GPIO_BULK_PIN(LCD_PCLK), + JZ_GPIO_BULK_PIN(LCD_HSYNC), + JZ_GPIO_BULK_PIN(LCD_VSYNC), + JZ_GPIO_BULK_PIN(LCD_DE), + JZ_GPIO_BULK_PIN(LCD_PS), + JZ_GPIO_BULK_PIN(LCD_REV), + JZ_GPIO_BULK_PIN(LCD_CLS), + JZ_GPIO_BULK_PIN(LCD_SPL), +}; + +static const struct jz_gpio_bulk_request jz_lcd_data_pins[] = { + JZ_GPIO_BULK_PIN(LCD_DATA0), + JZ_GPIO_BULK_PIN(LCD_DATA1), + JZ_GPIO_BULK_PIN(LCD_DATA2), + JZ_GPIO_BULK_PIN(LCD_DATA3), + JZ_GPIO_BULK_PIN(LCD_DATA4), + JZ_GPIO_BULK_PIN(LCD_DATA5), + JZ_GPIO_BULK_PIN(LCD_DATA6), + JZ_GPIO_BULK_PIN(LCD_DATA7), + JZ_GPIO_BULK_PIN(LCD_DATA8), + JZ_GPIO_BULK_PIN(LCD_DATA9), + JZ_GPIO_BULK_PIN(LCD_DATA10), + JZ_GPIO_BULK_PIN(LCD_DATA11), + JZ_GPIO_BULK_PIN(LCD_DATA12), + JZ_GPIO_BULK_PIN(LCD_DATA13), + JZ_GPIO_BULK_PIN(LCD_DATA14), + JZ_GPIO_BULK_PIN(LCD_DATA15), + JZ_GPIO_BULK_PIN(LCD_DATA16), + JZ_GPIO_BULK_PIN(LCD_DATA17), +}; + +static unsigned int jzfb_num_ctrl_pins(struct jzfb *jzfb) +{ + unsigned int num; + + switch (jzfb->pdata->lcd_type) { + case JZ_LCD_TYPE_GENERIC_16_BIT: + num = 4; + break; + case JZ_LCD_TYPE_GENERIC_18_BIT: + num = 4; + break; + case JZ_LCD_TYPE_8BIT_SERIAL: + num = 3; + break; + case JZ_LCD_TYPE_SPECIAL_TFT_1: + case JZ_LCD_TYPE_SPECIAL_TFT_2: + case JZ_LCD_TYPE_SPECIAL_TFT_3: + num = 8; + break; + default: + num = 0; + break; + } + return num; +} + +static unsigned int jzfb_num_data_pins(struct jzfb *jzfb) +{ + unsigned int num; + + switch (jzfb->pdata->lcd_type) { + case JZ_LCD_TYPE_GENERIC_16_BIT: + num = 16; + break; + case JZ_LCD_TYPE_GENERIC_18_BIT: + num = 18; + break; + case JZ_LCD_TYPE_8BIT_SERIAL: + num = 8; + break; + case JZ_LCD_TYPE_SPECIAL_TFT_1: + case JZ_LCD_TYPE_SPECIAL_TFT_2: + case JZ_LCD_TYPE_SPECIAL_TFT_3: + if (jzfb->pdata->bpp == 18) + num = 18; + else + num = 16; + break; + default: + num = 0; + break; + } + return num; +} + +/* Based on CNVT_TOHW macro from skeletonfb.c */ +static inline uint32_t jzfb_convert_color_to_hw(unsigned val, + struct fb_bitfield *bf) +{ + return (((val << bf->length) + 0x7FFF - val) >> 16) << bf->offset; +} + +static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, struct fb_info *fb) +{ + uint32_t color; + + if (regno >= 16) + return -EINVAL; + + color = jzfb_convert_color_to_hw(red, &fb->var.red); + color |= jzfb_convert_color_to_hw(green, &fb->var.green); + color |= jzfb_convert_color_to_hw(blue, &fb->var.blue); + color |= jzfb_convert_color_to_hw(transp, &fb->var.transp); + + ((uint32_t *)(fb->pseudo_palette))[regno] = color; + + return 0; +} + +static int jzfb_get_controller_bpp(struct jzfb *jzfb) +{ + switch (jzfb->pdata->bpp) { + case 18: + case 24: + return 32; + case 15: + return 16; + default: + return jzfb->pdata->bpp; + } +} + +static struct fb_videomode *jzfb_get_mode(struct jzfb *jzfb, + struct fb_var_screeninfo *var) +{ + size_t i; + struct fb_videomode *mode = jzfb->pdata->modes; + + for (i = 0; i < jzfb->pdata->num_modes; ++i, ++mode) { + if (mode->xres == var->xres && mode->yres == var->yres) + return mode; + } + + return NULL; +} + +static int jzfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb) +{ + struct jzfb *jzfb = fb->par; + struct fb_videomode *mode; + + if (var->bits_per_pixel != jzfb_get_controller_bpp(jzfb) && + var->bits_per_pixel != jzfb->pdata->bpp) + return -EINVAL; + + mode = jzfb_get_mode(jzfb, var); + if (mode == NULL) + return -EINVAL; + + fb_videomode_to_var(var, mode); + + switch (jzfb->pdata->bpp) { + case 8: + break; + case 15: + var->red.offset = 10; + var->red.length = 5; + var->green.offset = 6; + var->green.length = 5; + var->blue.offset = 0; + var->blue.length = 5; + break; + case 16: + var->red.offset = 11; + var->red.length = 5; + var->green.offset = 5; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 5; + break; + case 18: + var->red.offset = 16; + var->red.length = 6; + var->green.offset = 8; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 6; + var->bits_per_pixel = 32; + break; + case 32: + case 24: + var->transp.offset = 24; + var->transp.length = 8; + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->bits_per_pixel = 32; + break; + default: + break; + } + + return 0; +} + +static int jzfb_set_par(struct fb_info *info) +{ + struct jzfb *jzfb = info->par; + struct jz4740_fb_platform_data *pdata = jzfb->pdata; + struct fb_var_screeninfo *var = &info->var; + struct fb_videomode *mode; + uint16_t hds, vds; + uint16_t hde, vde; + uint16_t ht, vt; + uint32_t ctrl; + uint32_t cfg; + unsigned long rate; + + mode = jzfb_get_mode(jzfb, var); + if (mode == NULL) + return -EINVAL; + + if (mode == info->mode) + return 0; + + info->mode = mode; + + hds = mode->hsync_len + mode->left_margin; + hde = hds + mode->xres; + ht = hde + mode->right_margin; + + vds = mode->vsync_len + mode->upper_margin; + vde = vds + mode->yres; + vt = vde + mode->lower_margin; + + ctrl = JZ_LCD_CTRL_OFUP | JZ_LCD_CTRL_BURST_16; + + switch (pdata->bpp) { + case 1: + ctrl |= JZ_LCD_CTRL_BPP_1; + break; + case 2: + ctrl |= JZ_LCD_CTRL_BPP_2; + break; + case 4: + ctrl |= JZ_LCD_CTRL_BPP_4; + break; + case 8: + ctrl |= JZ_LCD_CTRL_BPP_8; + break; + case 15: + ctrl |= JZ_LCD_CTRL_RGB555; /* Falltrough */ + case 16: + ctrl |= JZ_LCD_CTRL_BPP_15_16; + break; + case 18: + case 24: + case 32: + ctrl |= JZ_LCD_CTRL_BPP_18_24; + break; + default: + break; + } + + cfg = pdata->lcd_type & 0xf; + + if (!(mode->sync & FB_SYNC_HOR_HIGH_ACT)) + cfg |= JZ_LCD_CFG_HSYNC_ACTIVE_LOW; + + if (!(mode->sync & FB_SYNC_VERT_HIGH_ACT)) + cfg |= JZ_LCD_CFG_VSYNC_ACTIVE_LOW; + + if (pdata->pixclk_falling_edge) + cfg |= JZ_LCD_CFG_PCLK_FALLING_EDGE; + + if (pdata->date_enable_active_low) + cfg |= JZ_LCD_CFG_DE_ACTIVE_LOW; + + if (pdata->lcd_type == JZ_LCD_TYPE_GENERIC_18_BIT) + cfg |= JZ_LCD_CFG_18_BIT; + + if (mode->pixclock) { + rate = PICOS2KHZ(mode->pixclock) * 1000; + mode->refresh = rate / vt / ht; + } else { + if (pdata->lcd_type == JZ_LCD_TYPE_8BIT_SERIAL) + rate = mode->refresh * (vt + 2 * mode->xres) * ht; + else + rate = mode->refresh * vt * ht; + + mode->pixclock = KHZ2PICOS(rate / 1000); + } + + mutex_lock(&jzfb->lock); + if (!jzfb->is_enabled) + clk_enable(jzfb->ldclk); + else + ctrl |= JZ_LCD_CTRL_ENABLE; + + switch (pdata->lcd_type) { + case JZ_LCD_TYPE_SPECIAL_TFT_1: + case JZ_LCD_TYPE_SPECIAL_TFT_2: + case JZ_LCD_TYPE_SPECIAL_TFT_3: + writel(pdata->special_tft_config.spl, jzfb->base + JZ_REG_LCD_SPL); + writel(pdata->special_tft_config.cls, jzfb->base + JZ_REG_LCD_CLS); + writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_PS); + writel(pdata->special_tft_config.ps, jzfb->base + JZ_REG_LCD_REV); + break; + default: + cfg |= JZ_LCD_CFG_PS_DISABLE; + cfg |= JZ_LCD_CFG_CLS_DISABLE; + cfg |= JZ_LCD_CFG_SPL_DISABLE; + cfg |= JZ_LCD_CFG_REV_DISABLE; + break; + } + + writel(mode->hsync_len, jzfb->base + JZ_REG_LCD_HSYNC); + writel(mode->vsync_len, jzfb->base + JZ_REG_LCD_VSYNC); + + writel((ht << 16) | vt, jzfb->base + JZ_REG_LCD_VAT); + + writel((hds << 16) | hde, jzfb->base + JZ_REG_LCD_DAH); + writel((vds << 16) | vde, jzfb->base + JZ_REG_LCD_DAV); + + writel(cfg, jzfb->base + JZ_REG_LCD_CFG); + + writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); + + if (!jzfb->is_enabled) + clk_disable(jzfb->ldclk); + + mutex_unlock(&jzfb->lock); + + clk_set_rate(jzfb->lpclk, rate); + clk_set_rate(jzfb->ldclk, rate * 3); + + return 0; +} + +static void jzfb_enable(struct jzfb *jzfb) +{ + uint32_t ctrl; + + clk_enable(jzfb->ldclk); + + jz_gpio_bulk_resume(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_resume(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + writel(0, jzfb->base + JZ_REG_LCD_STATE); + + writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); + + ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL); + ctrl |= JZ_LCD_CTRL_ENABLE; + ctrl &= ~JZ_LCD_CTRL_DISABLE; + writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); +} + +static void jzfb_disable(struct jzfb *jzfb) +{ + uint32_t ctrl; + + ctrl = readl(jzfb->base + JZ_REG_LCD_CTRL); + ctrl |= JZ_LCD_CTRL_DISABLE; + writel(ctrl, jzfb->base + JZ_REG_LCD_CTRL); + do { + ctrl = readl(jzfb->base + JZ_REG_LCD_STATE); + } while (!(ctrl & JZ_LCD_STATE_DISABLED)); + + jz_gpio_bulk_suspend(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_suspend(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + clk_disable(jzfb->ldclk); +} + +static int jzfb_blank(int blank_mode, struct fb_info *info) +{ + struct jzfb *jzfb = info->par; + + switch (blank_mode) { + case FB_BLANK_UNBLANK: + mutex_lock(&jzfb->lock); + if (jzfb->is_enabled) { + mutex_unlock(&jzfb->lock); + return 0; + } + + jzfb_enable(jzfb); + jzfb->is_enabled = 1; + + mutex_unlock(&jzfb->lock); + break; + default: + mutex_lock(&jzfb->lock); + if (!jzfb->is_enabled) { + mutex_unlock(&jzfb->lock); + return 0; + } + + jzfb_disable(jzfb); + jzfb->is_enabled = 0; + + mutex_unlock(&jzfb->lock); + break; + } + + return 0; +} + +static int jzfb_alloc_devmem(struct jzfb *jzfb) +{ + int max_videosize = 0; + struct fb_videomode *mode = jzfb->pdata->modes; + void *page; + int i; + + for (i = 0; i < jzfb->pdata->num_modes; ++mode, ++i) { + if (max_videosize < mode->xres * mode->yres) + max_videosize = mode->xres * mode->yres; + } + + max_videosize *= jzfb_get_controller_bpp(jzfb) >> 3; + + jzfb->framedesc = dma_alloc_coherent(&jzfb->pdev->dev, + sizeof(*jzfb->framedesc), + &jzfb->framedesc_phys, GFP_KERNEL); + + if (!jzfb->framedesc) + return -ENOMEM; + + jzfb->vidmem_size = PAGE_ALIGN(max_videosize); + jzfb->vidmem = dma_alloc_coherent(&jzfb->pdev->dev, + jzfb->vidmem_size, + &jzfb->vidmem_phys, GFP_KERNEL); + + if (!jzfb->vidmem) + goto err_free_framedesc; + + for (page = jzfb->vidmem; + page < jzfb->vidmem + PAGE_ALIGN(jzfb->vidmem_size); + page += PAGE_SIZE) { + SetPageReserved(virt_to_page(page)); + } + + jzfb->framedesc->next = jzfb->framedesc_phys; + jzfb->framedesc->addr = jzfb->vidmem_phys; + jzfb->framedesc->id = 0xdeafbead; + jzfb->framedesc->cmd = 0; + jzfb->framedesc->cmd |= max_videosize / 4; + + return 0; + +err_free_framedesc: + dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc), + jzfb->framedesc, jzfb->framedesc_phys); + return -ENOMEM; +} + +static void jzfb_free_devmem(struct jzfb *jzfb) +{ + dma_free_coherent(&jzfb->pdev->dev, jzfb->vidmem_size, + jzfb->vidmem, jzfb->vidmem_phys); + dma_free_coherent(&jzfb->pdev->dev, sizeof(*jzfb->framedesc), + jzfb->framedesc, jzfb->framedesc_phys); +} + +static struct fb_ops jzfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = jzfb_check_var, + .fb_set_par = jzfb_set_par, + .fb_blank = jzfb_blank, + .fb_fillrect = sys_fillrect, + .fb_copyarea = sys_copyarea, + .fb_imageblit = sys_imageblit, + .fb_setcolreg = jzfb_setcolreg, +}; + +static int __devinit jzfb_probe(struct platform_device *pdev) +{ + int ret; + struct jzfb *jzfb; + struct fb_info *fb; + struct jz4740_fb_platform_data *pdata = pdev->dev.platform_data; + struct resource *mem; + + if (!pdata) { + dev_err(&pdev->dev, "Missing platform data\n"); + return -ENXIO; + } + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + dev_err(&pdev->dev, "Failed to get register memory resource\n"); + return -ENXIO; + } + + mem = request_mem_region(mem->start, resource_size(mem), pdev->name); + if (!mem) { + dev_err(&pdev->dev, "Failed to request register memory region\n"); + return -EBUSY; + } + + fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev); + if (!fb) { + dev_err(&pdev->dev, "Failed to allocate framebuffer device\n"); + ret = -ENOMEM; + goto err_release_mem_region; + } + + fb->fbops = &jzfb_ops; + fb->flags = FBINFO_DEFAULT; + + jzfb = fb->par; + jzfb->pdev = pdev; + jzfb->pdata = pdata; + jzfb->mem = mem; + + jzfb->ldclk = clk_get(&pdev->dev, "lcd"); + if (IS_ERR(jzfb->ldclk)) { + ret = PTR_ERR(jzfb->ldclk); + dev_err(&pdev->dev, "Failed to get lcd clock: %d\n", ret); + goto err_framebuffer_release; + } + + jzfb->lpclk = clk_get(&pdev->dev, "lcd_pclk"); + if (IS_ERR(jzfb->lpclk)) { + ret = PTR_ERR(jzfb->lpclk); + dev_err(&pdev->dev, "Failed to get lcd pixel clock: %d\n", ret); + goto err_put_ldclk; + } + + jzfb->base = ioremap(mem->start, resource_size(mem)); + if (!jzfb->base) { + dev_err(&pdev->dev, "Failed to ioremap register memory region\n"); + ret = -EBUSY; + goto err_put_lpclk; + } + + platform_set_drvdata(pdev, jzfb); + + mutex_init(&jzfb->lock); + + fb_videomode_to_modelist(pdata->modes, pdata->num_modes, + &fb->modelist); + fb_videomode_to_var(&fb->var, pdata->modes); + fb->var.bits_per_pixel = pdata->bpp; + jzfb_check_var(&fb->var, fb); + + ret = jzfb_alloc_devmem(jzfb); + if (ret) { + dev_err(&pdev->dev, "Failed to allocate video memory\n"); + goto err_iounmap; + } + + fb->fix = jzfb_fix; + fb->fix.line_length = fb->var.bits_per_pixel * fb->var.xres / 8; + fb->fix.mmio_start = mem->start; + fb->fix.mmio_len = resource_size(mem); + fb->fix.smem_start = jzfb->vidmem_phys; + fb->fix.smem_len = fb->fix.line_length * fb->var.yres; + fb->screen_base = jzfb->vidmem; + fb->pseudo_palette = jzfb->pseudo_palette; + + fb_alloc_cmap(&fb->cmap, 256, 0); + + clk_enable(jzfb->ldclk); + jzfb->is_enabled = 1; + + writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); + + fb->mode = NULL; + jzfb_set_par(fb); + + jz_gpio_bulk_request(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_request(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + ret = register_framebuffer(fb); + if (ret) { + dev_err(&pdev->dev, "Failed to register framebuffer: %d\n", ret); + goto err_free_devmem; + } + + jzfb->fb = fb; + + return 0; + +err_free_devmem: + jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + fb_dealloc_cmap(&fb->cmap); + jzfb_free_devmem(jzfb); +err_iounmap: + iounmap(jzfb->base); +err_put_lpclk: + clk_put(jzfb->lpclk); +err_put_ldclk: + clk_put(jzfb->ldclk); +err_framebuffer_release: + framebuffer_release(fb); +err_release_mem_region: + release_mem_region(mem->start, resource_size(mem)); + return ret; +} + +static int __devexit jzfb_remove(struct platform_device *pdev) +{ + struct jzfb *jzfb = platform_get_drvdata(pdev); + + jzfb_blank(FB_BLANK_POWERDOWN, jzfb->fb); + + jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); + jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); + + iounmap(jzfb->base); + release_mem_region(jzfb->mem->start, resource_size(jzfb->mem)); + + fb_dealloc_cmap(&jzfb->fb->cmap); + jzfb_free_devmem(jzfb); + + platform_set_drvdata(pdev, NULL); + + clk_put(jzfb->lpclk); + clk_put(jzfb->ldclk); + + framebuffer_release(jzfb->fb); + + return 0; +} + +#ifdef CONFIG_PM + +static int jzfb_suspend(struct device *dev) +{ + struct jzfb *jzfb = dev_get_drvdata(dev); + + acquire_console_sem(); + fb_set_suspend(jzfb->fb, 1); + release_console_sem(); + + mutex_lock(&jzfb->lock); + if (jzfb->is_enabled) + jzfb_disable(jzfb); + mutex_unlock(&jzfb->lock); + + return 0; +} + +static int jzfb_resume(struct device *dev) +{ + struct jzfb *jzfb = dev_get_drvdata(dev); + clk_enable(jzfb->ldclk); + + mutex_lock(&jzfb->lock); + if (jzfb->is_enabled) + jzfb_enable(jzfb); + mutex_unlock(&jzfb->lock); + + acquire_console_sem(); + fb_set_suspend(jzfb->fb, 0); + release_console_sem(); + + return 0; +} + +static const struct dev_pm_ops jzfb_pm_ops = { + .suspend = jzfb_suspend, + .resume = jzfb_resume, + .poweroff = jzfb_suspend, + .restore = jzfb_resume, +}; + +#define JZFB_PM_OPS (&jzfb_pm_ops) + +#else +#define JZFB_PM_OPS NULL +#endif + +static struct platform_driver jzfb_driver = { + .probe = jzfb_probe, + .remove = __devexit_p(jzfb_remove), + .driver = { + .name = "jz4740-fb", + .pm = JZFB_PM_OPS, + }, +}; + +static int __init jzfb_init(void) +{ + return platform_driver_register(&jzfb_driver); +} +module_init(jzfb_init); + +static void __exit jzfb_exit(void) +{ + platform_driver_unregister(&jzfb_driver); +} +module_exit(jzfb_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); +MODULE_DESCRIPTION("JZ4740 SoC LCD framebuffer driver"); +MODULE_ALIAS("platform:jz4740-fb"); diff --git a/drivers/video/leo.c b/drivers/video/leo.c index 9e8bf7d5e24..ad677637ffb 100644 --- a/drivers/video/leo.c +++ b/drivers/video/leo.c @@ -677,12 +677,12 @@ static int __init leo_init(void) if (fb_get_options("leofb", NULL)) return -ENODEV; - return of_register_driver(&leo_driver, &of_bus_type); + return of_register_platform_driver(&leo_driver); } static void __exit leo_exit(void) { - of_unregister_driver(&leo_driver); + of_unregister_platform_driver(&leo_driver); } module_init(leo_init); diff --git a/drivers/video/offb.c b/drivers/video/offb.c index 46dda7d8aae..cb163a5397b 100644 --- a/drivers/video/offb.c +++ b/drivers/video/offb.c @@ -19,13 +19,14 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/delay.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/interrupt.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/pci.h> #include <asm/io.h> -#include <asm/prom.h> #ifdef CONFIG_PPC64 #include <asm/pci-bridge.h> diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c index 1f8eb70e293..07fbb8a733b 100644 --- a/drivers/video/omap2/displays/panel-acx565akm.c +++ b/drivers/video/omap2/displays/panel-acx565akm.c @@ -592,7 +592,7 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) r = omapdss_sdi_display_enable(dssdev); if (r) { pr_err("%s sdi enable failed\n", __func__); - return r; + goto fail_unlock; } /*FIXME tweak me */ @@ -633,6 +633,8 @@ static int acx_panel_power_on(struct omap_dss_device *dssdev) return acx565akm_bl_update_status(md->bl_dev); fail: omapdss_sdi_display_disable(dssdev); +fail_unlock: + mutex_unlock(&md->mutex); return r; } diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c index 6552751e81a..688b055abab 100644 --- a/drivers/video/p9100.c +++ b/drivers/video/p9100.c @@ -367,12 +367,12 @@ static int __init p9100_init(void) if (fb_get_options("p9100fb", NULL)) return -ENODEV; - return of_register_driver(&p9100_driver, &of_bus_type); + return of_register_platform_driver(&p9100_driver); } static void __exit p9100_exit(void) { - of_unregister_driver(&p9100_driver); + of_unregister_platform_driver(&p9100_driver); } module_init(p9100_init); diff --git a/drivers/video/sunxvr1000.c b/drivers/video/sunxvr1000.c index 489b44e8db8..7288934c0d4 100644 --- a/drivers/video/sunxvr1000.c +++ b/drivers/video/sunxvr1000.c @@ -213,12 +213,12 @@ static int __init gfb_init(void) if (fb_get_options("gfb", NULL)) return -ENODEV; - return of_register_driver(&gfb_driver, &of_bus_type); + return of_register_platform_driver(&gfb_driver); } static void __exit gfb_exit(void) { - of_unregister_driver(&gfb_driver); + of_unregister_platform_driver(&gfb_driver); } module_init(gfb_init); diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c index cc039b33d2d..f375e0db677 100644 --- a/drivers/video/tcx.c +++ b/drivers/video/tcx.c @@ -526,12 +526,12 @@ static int __init tcx_init(void) if (fb_get_options("tcxfb", NULL)) return -ENODEV; - return of_register_driver(&tcx_driver, &of_bus_type); + return of_register_platform_driver(&tcx_driver); } static void __exit tcx_exit(void) { - of_unregister_driver(&tcx_driver); + of_unregister_platform_driver(&tcx_driver); } module_init(tcx_init); diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index 98054839004..3ee5e63cfa4 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -1571,8 +1571,8 @@ out_err_iobase: if (default_par->mtrr_handle >= 0) mtrr_del(default_par->mtrr_handle, info->fix.smem_start, info->fix.smem_len); - release_mem_region(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); + release_region(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); out_err_screenbase: if (info->screen_base) iounmap(info->screen_base); diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 1b3b1c718e8..aba7686b1a3 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -305,7 +305,7 @@ tgafb_set_par(struct fb_info *info) TGA_WRITE_REG(par, htimings, TGA_HORIZ_REG); TGA_WRITE_REG(par, vtimings, TGA_VERT_REG); - /* Initalise RAMDAC. */ + /* Initialise RAMDAC. */ if (tga_type == TGA_TYPE_8PLANE && tga_bus_pci) { /* Init BT485 RAMDAC registers. */ diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c index fa97d3e7c21..7c7f42a1279 100644 --- a/drivers/video/xen-fbfront.c +++ b/drivers/video/xen-fbfront.c @@ -684,7 +684,7 @@ static struct xenbus_driver xenfb_driver = { static int __init xenfb_init(void) { - if (!xen_domain()) + if (!xen_pv_domain()) return -ENODEV; /* Nothing to do if running in dom0. */ diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c index 574dc54e12d..29b5daacc21 100644 --- a/drivers/video/xilinxfb.c +++ b/drivers/video/xilinxfb.c @@ -485,6 +485,8 @@ static int __devexit xilinxfb_of_remove(struct of_device *op) /* Match table for of_platform binding */ static struct of_device_id xilinxfb_of_match[] __devinitdata = { { .compatible = "xlnx,xps-tft-1.00.a", }, + { .compatible = "xlnx,xps-tft-2.00.a", }, + { .compatible = "xlnx,xps-tft-2.01.a", }, { .compatible = "xlnx,plb-tft-cntlr-ref-1.00.a", }, { .compatible = "xlnx,plb-dvi-cntlr-ref-1.00.c", }, {}, |