From e5ade3d31dfa8a7666f8caaf6f823c485d5f43ba Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Thu, 30 Jul 2009 13:58:48 +0000 Subject: [s3c24xx] glamo: The cell can rely on being a child of the core. Use it for passing platform data. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17051 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../files-2.6.30/drivers/mfd/glamo/glamo-fb.c | 72 +++++++++++----------- 1 file changed, 35 insertions(+), 37 deletions(-) (limited to 'target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-fb.c') diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-fb.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-fb.c index 3d13dd26ce..7bb2201f61 100644 --- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-fb.c +++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-fb.c @@ -43,19 +43,10 @@ #include "glamo-regs.h" #include "glamo-core.h" -#ifndef DEBUG -#define GLAMO_LOG(...) -#else -#define GLAMO_LOG(...) \ -do { \ - printk(KERN_DEBUG "in %s:%s:%d", __FILE__, __func__, __LINE__); \ - printk(KERN_DEBUG __VA_ARGS__); \ -} while (0); -#endif - static void glamofb_program_mode(struct glamofb_handle* glamo); struct glamofb_handle { + struct glamo_core *core; struct fb_info *fb; struct device *dev; struct resource *reg; @@ -72,7 +63,7 @@ struct glamofb_handle { }; static void glamo_output_enable(struct glamofb_handle *gfb) { - struct glamo_core *gcore = gfb->mach_info->core; + struct glamo_core *gcore = gfb->core; if (gfb->output_enabled) return; @@ -89,7 +80,7 @@ static void glamo_output_enable(struct glamofb_handle *gfb) { } static void glamo_output_disable(struct glamofb_handle *gfb) { - struct glamo_core *gcore = gfb->mach_info->core; + struct glamo_core *gcore = gfb->core; if (!gfb->output_enabled) return; @@ -158,8 +149,8 @@ static int glamofb_run_script(struct glamofb_handle *glamo, { int i; - if (glamo->mach_info->core->suspending) { - dev_err(&glamo->mach_info->core->pdev->dev, + if (glamo->core->suspending) { + dev_err(&glamo->core->pdev->dev, "IGNORING glamofb_run_script while " "suspended\n"); return -EBUSY; @@ -184,8 +175,8 @@ static int glamofb_check_var(struct fb_var_screeninfo *var, { struct glamofb_handle *glamo = info->par; - if (glamo->mach_info->core->suspending) { - dev_err(&glamo->mach_info->core->pdev->dev, + if (glamo->core->suspending) { + dev_err(&glamo->core->pdev->dev, "IGNORING glamofb_check_var while " "suspended\n"); return -EBUSY; @@ -272,8 +263,8 @@ static void __rotate_lcd(struct glamofb_handle *glamo, __u32 rotation) { int glamo_rot; - if (glamo->mach_info->core->suspending) { - dev_err(&glamo->mach_info->core->pdev->dev, + if (glamo->core->suspending) { + dev_err(&glamo->core->pdev->dev, "IGNORING rotate_lcd while " "suspended\n"); return; @@ -308,7 +299,7 @@ static void __rotate_lcd(struct glamofb_handle *glamo, __u32 rotation) static void glamofb_program_mode(struct glamofb_handle* gfb) { int sync, bp, disp, fp, total; unsigned long flags; - struct glamo_core *gcore = gfb->mach_info->core; + struct glamo_core *gcore = gfb->core; struct fb_var_screeninfo *var = &gfb->fb->var; dev_dbg(&gcore->pdev->dev, @@ -413,8 +404,8 @@ static int glamofb_set_par(struct fb_info *info) struct fb_var_screeninfo *var = &info->var; struct fb_videomode *mode; - if (glamo->mach_info->core->suspending) { - dev_err(&glamo->mach_info->core->pdev->dev, + if (glamo->core->suspending) { + dev_err(&glamo->core->pdev->dev, "IGNORING glamofb_set_par while " "suspended\n"); return -EBUSY; @@ -493,8 +484,8 @@ static int glamofb_setcolreg(unsigned regno, struct glamofb_handle *glamo = info->par; unsigned int val; - if (glamo->mach_info->core->suspending) { - dev_err(&glamo->mach_info->core->pdev->dev, + if (glamo->core->suspending) { + dev_err(&glamo->core->pdev->dev, "IGNORING glamofb_set_par while " "suspended\n"); return -EBUSY; @@ -525,7 +516,7 @@ static int glamofb_setcolreg(unsigned regno, static int glamofb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { struct glamofb_handle *gfb = (struct glamofb_handle*)info->par; - struct glamo_core *gcore = gfb->mach_info->core; + struct glamo_core *gcore = gfb->core; int retval = -ENOTTY; switch (cmd) { @@ -687,8 +678,8 @@ int glamofb_cmd_mode(struct glamofb_handle *gfb, int on) { int timeout = 2000000; - if (gfb->mach_info->core->suspending) { - dev_err(&gfb->mach_info->core->pdev->dev, + if (gfb->core->suspending) { + dev_err(&gfb->core->pdev->dev, "IGNORING glamofb_cmd_mode while " "suspended\n"); return -EBUSY; @@ -699,7 +690,7 @@ int glamofb_cmd_mode(struct glamofb_handle *gfb, int on) dev_dbg(gfb->dev, "%s: waiting for cmdq empty: ", __func__); while ((!glamofb_cmdq_empty(gfb)) && (timeout--)) - yield(); + cpu_relax(); if (timeout < 0) { printk(KERN_ERR"*************" "glamofb cmd_queue never got empty" @@ -718,7 +709,7 @@ int glamofb_cmd_mode(struct glamofb_handle *gfb, int on) timeout = 2000000; while ((!reg_read(gfb, GLAMO_REG_LCD_STATUS2) & (1 << 12)) && (timeout--)) - /* yield() */; + cpu_relax(); if (timeout < 0) { printk(KERN_ERR"*************" "glamofb lcd never idle" @@ -751,8 +742,8 @@ int glamofb_cmd_write(struct glamofb_handle *gfb, u_int16_t val) { int timeout = 200000; - if (gfb->mach_info->core->suspending) { - dev_err(&gfb->mach_info->core->pdev->dev, + if (gfb->core->suspending) { + dev_err(&gfb->core->pdev->dev, "IGNORING glamofb_cmd_write while " "suspended\n"); return -EBUSY; @@ -807,15 +798,21 @@ static int __init glamofb_probe(struct platform_device *pdev) int rc = -EIO; struct fb_info *fbinfo; struct glamofb_handle *glamofb; - struct glamo_fb_platform_data *mach_info = pdev->dev.platform_data; + struct glamo_core *core = dev_get_drvdata(pdev->dev.parent); + struct glamo_fb_platform_data *mach_info; printk(KERN_INFO "SMEDIA Glamo frame buffer driver (C) 2007 " "Openmoko, Inc.\n"); + if (!core->pdata || !core->pdata->fb_data) + return -ENOENT; + + fbinfo = framebuffer_alloc(sizeof(struct glamofb_handle), &pdev->dev); if (!fbinfo) return -ENOMEM; + glamofb = fbinfo->par; glamofb->fb = fbinfo; glamofb->dev = &pdev->dev; @@ -876,7 +873,9 @@ static int __init glamofb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, glamofb); - glamofb->mach_info = pdev->dev.platform_data; + mach_info = core->pdata->fb_data; + glamofb->core = core; + glamofb->mach_info = mach_info; fbinfo->fix.visual = FB_VISUAL_TRUECOLOR; fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; @@ -901,8 +900,8 @@ static int __init glamofb_probe(struct platform_device *pdev) fbinfo->var.accel_flags = 0; fbinfo->var.vmode = FB_VMODE_NONINTERLACED; - glamo_engine_enable(mach_info->core, GLAMO_ENGINE_LCD); - glamo_engine_reset(mach_info->core, GLAMO_ENGINE_LCD); + glamo_engine_enable(core, GLAMO_ENGINE_LCD); + glamo_engine_reset(core, GLAMO_ENGINE_LCD); glamofb->output_enabled = 1; glamofb->mode_set = 1; @@ -971,13 +970,12 @@ static int glamofb_suspend(struct device *dev) static int glamofb_resume(struct device *dev) { struct glamofb_handle *gfb = dev_get_drvdata(dev); - struct glamo_fb_platform_data *mach_info = dev->platform_data; /* OK let's allow framebuffer ops again */ /* gfb->fb->screen_base = ioremap(gfb->fb_res->start, resource_size(gfb->fb_res)); */ - glamo_engine_enable(mach_info->core, GLAMO_ENGINE_LCD); - glamo_engine_reset(mach_info->core, GLAMO_ENGINE_LCD); + glamo_engine_enable(gfb->core, GLAMO_ENGINE_LCD); + glamo_engine_reset(gfb->core, GLAMO_ENGINE_LCD); glamofb_init_regs(gfb); #ifdef CONFIG_MFD_GLAMO_HWACCEL -- cgit v1.2.3