The JZ4740 fbdev driver has been replaced with the ingenic-drm driver.
Signed-off-by: Paul Cercueil paul@crapouillou.net Tested-by: Artur Rojek contact@artur-rojek.eu --- drivers/video/fbdev/Kconfig | 9 - drivers/video/fbdev/Makefile | 1 - drivers/video/fbdev/jz4740_fb.c | 690 -------------------------------- 3 files changed, 700 deletions(-) delete mode 100644 drivers/video/fbdev/jz4740_fb.c
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 6b2de93bd302..6fce711f42c5 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2211,15 +2211,6 @@ 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. - config FB_PUV3_UNIGFX tristate "PKUnity v3 Unigfx framebuffer support" depends on FB && UNICORE32 && ARCH_PUV3 diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 7dc4861a93e6..49502d6256cb 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -117,7 +117,6 @@ obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o obj-$(CONFIG_FB_CARMINE) += carminefb.o obj-$(CONFIG_FB_MB862XX) += mb862xx/ obj-$(CONFIG_FB_NUC900) += nuc900fb.o -obj-$(CONFIG_FB_JZ4740) += jz4740_fb.o obj-$(CONFIG_FB_PUV3_UNIGFX) += fb-puv3.o obj-$(CONFIG_FB_HYPERV) += hyperv_fb.o obj-$(CONFIG_FB_OPENCORES) += ocfb.o diff --git a/drivers/video/fbdev/jz4740_fb.c b/drivers/video/fbdev/jz4740_fb.c deleted file mode 100644 index 0b6fa25f6924..000000000000 --- a/drivers/video/fbdev/jz4740_fb.c +++ /dev/null @@ -1,690 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2009-2010, Lars-Peter Clausen lars@metafoo.de - * JZ4740 SoC LCD framebuffer driver - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> -#include <linux/pinctrl/consumer.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> - -#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(31) -#define JZ_LCD_CMD_EOF_IRQ BIT(30) -#define JZ_LCD_CMD_ENABLE_PAL BIT(28) - -#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 = { - .id = "JZ4740 FB", - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, - .ypanstep = 0, - .ywrapstep = 0, - .accel = FB_ACCEL_NONE, -}; - -/* 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_unprepare(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_prepare_enable(jzfb->ldclk); - - pinctrl_pm_select_default_state(&jzfb->pdev->dev); - - 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)); - - pinctrl_pm_select_sleep_state(&jzfb->pdev->dev); - - clk_disable_unprepare(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; - 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; - - 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 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; - } - - fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev); - if (!fb) - return -ENOMEM; - - fb->fbops = &jzfb_ops; - fb->flags = FBINFO_DEFAULT; - - jzfb = fb->par; - jzfb->pdev = pdev; - jzfb->pdata = pdata; - - jzfb->ldclk = devm_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 = devm_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_framebuffer_release; - } - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - jzfb->base = devm_ioremap_resource(&pdev->dev, mem); - if (IS_ERR(jzfb->base)) { - ret = PTR_ERR(jzfb->base); - goto err_framebuffer_release; - } - - 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_framebuffer_release; - } - - 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_prepare_enable(jzfb->ldclk); - jzfb->is_enabled = 1; - - writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); - - fb->mode = NULL; - jzfb_set_par(fb); - - 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: - fb_dealloc_cmap(&fb->cmap); - jzfb_free_devmem(jzfb); -err_framebuffer_release: - framebuffer_release(fb); - return ret; -} - -static int jzfb_remove(struct platform_device *pdev) -{ - struct jzfb *jzfb = platform_get_drvdata(pdev); - - jzfb_blank(FB_BLANK_POWERDOWN, jzfb->fb); - - fb_dealloc_cmap(&jzfb->fb->cmap); - jzfb_free_devmem(jzfb); - - framebuffer_release(jzfb->fb); - - return 0; -} - -#ifdef CONFIG_PM - -static int jzfb_suspend(struct device *dev) -{ - struct jzfb *jzfb = dev_get_drvdata(dev); - - console_lock(); - fb_set_suspend(jzfb->fb, 1); - console_unlock(); - - 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_prepare_enable(jzfb->ldclk); - - mutex_lock(&jzfb->lock); - if (jzfb->is_enabled) - jzfb_enable(jzfb); - mutex_unlock(&jzfb->lock); - - console_lock(); - fb_set_suspend(jzfb->fb, 0); - console_unlock(); - - 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 = jzfb_remove, - .driver = { - .name = "jz4740-fb", - .pm = JZFB_PM_OPS, - }, -}; -module_platform_driver(jzfb_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Lars-Peter Clausen lars@metafoo.de"); -MODULE_DESCRIPTION("JZ4740 SoC LCD framebuffer driver"); -MODULE_ALIAS("platform:jz4740-fb");