X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/a9d94ee88b335a91c73d346b41d78058a1e0076e..a0d848ed9dde978ad40ef8b752ff2d651c00091b:/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-fb.c?ds=sidebyside 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 07a525174..7bb2201f6 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, @@ -321,7 +312,7 @@ static void glamofb_program_mode(struct glamofb_handle* gfb) { if (var->pixclock) glamo_engine_reclock(gcore, GLAMO_ENGINE_LCD, - gfb->fb->var.pixclock); + (1000000000UL / gfb->fb->var.pixclock) * 1000); reg_set_bit_mask(gfb, GLAMO_REG_LCD_WIDTH, @@ -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; @@ -953,9 +952,9 @@ static int glamofb_remove(struct platform_device *pdev) #ifdef CONFIG_PM -static int glamofb_suspend(struct platform_device *pdev, pm_message_t state) +static int glamofb_suspend(struct device *dev) { - struct glamofb_handle *gfb = platform_get_drvdata(pdev); + struct glamofb_handle *gfb = dev_get_drvdata(dev); /* we need to stop anything touching our framebuffer */ fb_set_suspend(gfb->fb, 1); @@ -968,19 +967,16 @@ static int glamofb_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int glamofb_resume(struct platform_device *pdev) +static int glamofb_resume(struct device *dev) { - struct glamofb_handle *gfb = platform_get_drvdata(pdev); - struct glamo_fb_platform_data *mach_info = pdev->dev.platform_data; + struct glamofb_handle *gfb = dev_get_drvdata(dev); /* 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); - printk(KERN_ERR"spin_lock_init\n"); - spin_lock_init(&gfb->lock_cmd); glamofb_init_regs(gfb); #ifdef CONFIG_MFD_GLAMO_HWACCEL glamofb_cursor_onoff(gfb, 1); @@ -990,19 +986,25 @@ static int glamofb_resume(struct platform_device *pdev) return 0; } + +static struct dev_pm_ops glamofb_pm_ops = { + .suspend = glamofb_suspend, + .resume = glamofb_resume, +}; + +#define GLAMOFB_PM_OPS (&glamofb_pm_ops) + #else -#define glamofb_suspend NULL -#define glamofb_resume NULL +#define GLAMOFB_PM_OPS NULL #endif static struct platform_driver glamofb_driver = { .probe = glamofb_probe, .remove = glamofb_remove, - .suspend = glamofb_suspend, - .resume = glamofb_resume, .driver = { .name = "glamo-fb", .owner = THIS_MODULE, + .pm = GLAMOFB_PM_OPS }, };