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Subject[PATCH 05/11] video/fbdev: Drop JZ4740 driver
Date
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");
--
2.21.0.593.g511ec345e18
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