From 1980190a5a96fba4d36be8f8037ba9925c263b57 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Wed, 4 Aug 2010 13:33:55 +0000 Subject: Drop 2.6.32 patches SVN-Revision: 22485 --- .../drivers/video/backlight/gpm940b0.c | 255 ---- .../xburst/files-2.6.32/drivers/video/jz4740_fb.c | 790 ------------ .../files-2.6.32/drivers/video/metronomefb.c | 1341 -------------------- 3 files changed, 2386 deletions(-) delete mode 100644 target/linux/xburst/files-2.6.32/drivers/video/backlight/gpm940b0.c delete mode 100644 target/linux/xburst/files-2.6.32/drivers/video/jz4740_fb.c delete mode 100644 target/linux/xburst/files-2.6.32/drivers/video/metronomefb.c (limited to 'target/linux/xburst/files-2.6.32/drivers/video') diff --git a/target/linux/xburst/files-2.6.32/drivers/video/backlight/gpm940b0.c b/target/linux/xburst/files-2.6.32/drivers/video/backlight/gpm940b0.c deleted file mode 100644 index 5cfb12f0e8..0000000000 --- a/target/linux/xburst/files-2.6.32/drivers/video/backlight/gpm940b0.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * Copyright (C) 2009, Lars-Peter Clausen - * JZ4720/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 -#include -#include -#include -#include - -struct gpm940b0 { - struct spi_device *spi; - struct lcd_device *lcd; - struct backlight_device *bl; - unsigned enabled:1; -}; - -static int gpm940b0_write_reg(struct spi_device *spi, uint8_t reg, - uint8_t data) -{ - uint8_t buf[2]; - buf[0] = ((reg & 0x40) << 1) | (reg & 0x3f); - buf[1] = data; - - return spi_write(spi, buf, sizeof(buf)); -} - -static void gpm940b0_power_disable(struct gpm940b0 *gpm940b0) -{ - int ret = gpm940b0_write_reg(gpm940b0->spi, 0x5, 0xc6) ; - if (ret < 0) - printk("Failed to disable power: %d\n", ret); -} - -static void gpm940b0_power_enable(struct gpm940b0 *gpm940b0) -{ - gpm940b0_write_reg(gpm940b0->spi, 0x5, 0xc7); -} - - -static int gpm940b0_set_power(struct lcd_device *lcd, int power) -{ - struct gpm940b0 *gpm940b0 = lcd_get_data(lcd); - - switch (power) { - case FB_BLANK_UNBLANK: - mdelay(20); - gpm940b0->enabled = 1; - gpm940b0_power_enable(gpm940b0); - break; - default: - gpm940b0->enabled = 0; - gpm940b0_power_disable(gpm940b0); - mdelay(20); - break; - } - return 0; -} - -static int gpm940b0_set_contrast(struct lcd_device *lcd, int contrast) -{ - struct gpm940b0 *gpm940b0 = lcd_get_data(lcd); - gpm940b0_write_reg(gpm940b0->spi, 0x0d, contrast); - return 0; -} - -static int gpm940b0_set_mode(struct lcd_device *lcd, struct fb_videomode *mode) -{ - if (mode->xres != 320 && mode->yres != 240) - return -EINVAL; - - return 0; -} - -/* -int gpm940b0_bl_update_status(struct backlight_device *bl) -{ - struct gpm940b0 *gpm940b0 = bl_get_data(bl); - - gpm940b0->reg5 &= ~0x38; - gpm940b0->reg5 |= ((bl->props.brightness << 3) & 0x38); - - gpm940b0_write_reg(gpm940b0->spi, 0x5, gpm940b0->reg5); - - return 0; -}*/ - -static ssize_t reg_write(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - char *buf2; - uint32_t reg = simple_strtoul(buf, &buf2, 10); - uint32_t val = simple_strtoul(buf2 + 1, NULL, 10); - struct gpm940b0 *gpm940b0 = dev_get_drvdata(dev); - - if (reg < 0 || val < 0) - return -EINVAL; - - gpm940b0_write_reg(gpm940b0->spi, reg, val); - return count; -} - -static DEVICE_ATTR(reg, 0644, NULL, reg_write); - -static struct lcd_ops gpm940b0_lcd_ops = { - .set_power = gpm940b0_set_power, - .set_contrast = gpm940b0_set_contrast, - .set_mode = gpm940b0_set_mode, -}; - -#if 0 -static struct backlight_ops gpm940b0_bl_ops = { -/* .get_brightness = gpm940b0_bl_get_brightness,*/ - .update_status = gpm940b0_bl_update_status, -}; -#endif - -static int __devinit gpm940b0_probe(struct spi_device *spi) -{ - int ret; - struct gpm940b0 *gpm940b0; - - gpm940b0 = kmalloc(sizeof(*gpm940b0), GFP_KERNEL); - - spi->bits_per_word = 8; - - ret = spi_setup(spi); - if (ret) { - dev_err(&spi->dev, "Failed to setup spi\n"); - goto err_free_gpm940b0; - } - - gpm940b0->spi = spi; - - gpm940b0->lcd = lcd_device_register("gpm940b0-lcd", &spi->dev, gpm940b0, - &gpm940b0_lcd_ops); - - if (IS_ERR(gpm940b0->lcd)) { - ret = PTR_ERR(gpm940b0->lcd); - dev_err(&spi->dev, "Failed to register lcd device: %d\n", ret); - goto err_free_gpm940b0; - } - - gpm940b0->lcd->props.max_contrast = 255; - -#if 0 - gpm940b0->bl = backlight_device_register("gpm940b0-bl", &spi->dev, gpm940b0, - &gpm940b0_bl_ops); - - if (IS_ERR(gpm940b0->bl)) { - ret = PTR_ERR(gpm940b0->bl); - dev_err(&spi->dev, "Failed to register backlight device: %d\n", ret); - gpm940b0->bl = NULL; - } else { - gpm940b0->bl->props.max_brightness = 8; - gpm940b0->bl->props.brightness = 0; - gpm940b0->bl->props.power = FB_BLANK_UNBLANK; - } -#endif - - ret = device_create_file(&spi->dev, &dev_attr_reg); - if (ret) - goto err_unregister_lcd; - - gpm940b0->enabled = 1; - dev_set_drvdata(&spi->dev, gpm940b0); - - gpm940b0_write_reg(spi, 0x13, 0x01); - gpm940b0_write_reg(spi, 0x5, 0xc7); - return 0; -err_unregister_lcd: - lcd_device_unregister(gpm940b0->lcd); -err_free_gpm940b0: - kfree(gpm940b0); - return ret; -} - -static int __devexit gpm940b0_remove(struct spi_device *spi) -{ - struct gpm940b0 *gpm940b0 = spi_get_drvdata(spi); -#if 0 - if (gpm940b0->bl) - backlight_device_unregister(gpm940b0->bl); -#endif - - lcd_device_unregister(gpm940b0->lcd); - - spi_set_drvdata(spi, NULL); - kfree(gpm940b0); - return 0; -} - -#ifdef CONFIG_PM - -static int gpm940b0_suspend(struct spi_device *spi, pm_message_t state) -{ - struct gpm940b0 *gpm940b0 = spi_get_drvdata(spi); - if (gpm940b0->enabled) { - gpm940b0_power_disable(gpm940b0); - mdelay(10); - } - return 0; -} - -static int gpm940b0_resume(struct spi_device *spi) -{ - struct gpm940b0 *gpm940b0 = spi_get_drvdata(spi); - if (gpm940b0->enabled) - gpm940b0_power_enable(gpm940b0); - return 0; -} - -#else -#define gpm940b0_suspend NULL -#define gpm940b0_resume NULL -#endif - -static struct spi_driver gpm940b0_driver = { - .driver = { - .name = "gpm940b0", - .owner = THIS_MODULE, - }, - .probe = gpm940b0_probe, - .remove = __devexit_p(gpm940b0_remove), - .suspend = gpm940b0_suspend, - .resume = gpm940b0_resume, -}; - -static int __init gpm940b0_init(void) -{ - return spi_register_driver(&gpm940b0_driver); -} -module_init(gpm940b0_init); - -static void __exit gpm940b0_exit(void) -{ - return spi_unregister_driver(&gpm940b0_driver); -} -module_exit(gpm940b0_exit) - -MODULE_AUTHOR("Lars-Peter Clausen"); -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("LCD and backlight controll for Giantplus GPM940B0"); -MODULE_ALIAS("spi:gpm940b0"); diff --git a/target/linux/xburst/files-2.6.32/drivers/video/jz4740_fb.c b/target/linux/xburst/files-2.6.32/drivers/video/jz4740_fb.c deleted file mode 100644 index eeb702a6f3..0000000000 --- a/target/linux/xburst/files-2.6.32/drivers/video/jz4740_fb.c +++ /dev/null @@ -1,790 +0,0 @@ -/* - * Copyright (C) 2009, Lars-Peter Clausen - * JZ4720/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 -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#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; -} __attribute__((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; /* Protecting against running enable/disable in paralell */ - - uint32_t pseudo_palette[256]; -}; - -static 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, -}; - -const static 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), -}; - -const static 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; - 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 = 19; - break; - case JZ_LCD_TYPE_8BIT_SERIAL: - num = 8; - break; - default: - num = 0; - break; - } - return num; -} - -static int jzfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *fb) -{ - if (regno >= fb->cmap.len) - return -EINVAL; - - ((uint32_t*)fb->pseudo_palette)[regno] = red << 16 | green << 8 | blue; - - 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 = 6; - 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 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; - - 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 (jzfb->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 = 0; - cfg |= JZ_LCD_CFG_PS_DISABLE; - cfg |= JZ_LCD_CFG_CLS_DISABLE; - cfg |= JZ_LCD_CFG_SPL_DISABLE; - cfg |= JZ_LCD_CFG_REV_DISABLE; - - 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 (jzfb->pdata->pixclk_falling_edge) - cfg |= JZ_LCD_CFG_PCLK_FALLING_EDGE; - - if (jzfb->pdata->date_enable_active_low) - cfg |= JZ_LCD_CFG_DE_ACTIVE_LOW; - - if (jzfb->pdata->lcd_type == JZ_LCD_TYPE_GENERIC_18_BIT) - cfg |= JZ_LCD_CFG_18_BIT; - - cfg |= jzfb->pdata->lcd_type & 0xf; - - if (mode->pixclock) { - rate = PICOS2KHZ(mode->pixclock) * 1000; - mode->refresh = rate / vt / ht; - } else { - if (jzfb->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; - - 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 -ENOENT; - } - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - if (!mem) { - dev_err(&pdev->dev, "Failed to get register memory resource\n"); - return -ENOENT; - } - - 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"); - jzfb->lpclk = clk_get(&pdev->dev, "lcd_pclk"); - - if (IS_ERR(jzfb->ldclk)) { - ret = PTR_ERR(jzfb->ldclk); - dev_err(&pdev->dev, "Faild to get device clock: %d\n", ret); - goto err_framebuffer_release; - } - - if (IS_ERR(jzfb->lpclk)) { - ret = PTR_ERR(jzfb->ldclk); - dev_err(&pdev->dev, "Faild to get pixel clock: %d\n", ret); - goto err_framebuffer_release; - } - - - 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_framebuffer_release; - } - - platform_set_drvdata(pdev, jzfb); - - fb_videomode_to_modelist(pdata->modes, pdata->num_modes, - &fb->modelist); - fb->mode = pdata->modes; - - fb_videomode_to_var(&fb->var, fb->mode); - 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); - - mutex_init(&jzfb->lock); - - clk_enable(jzfb->ldclk); - jzfb->is_enabled = 1; - - writel(jzfb->framedesc->next, jzfb->base + JZ_REG_LCD_DA0); - 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: - jzfb_free_devmem(jzfb); -err_iounmap: - iounmap(jzfb->base); -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); - - 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)); - jzfb_free_devmem(jzfb); - platform_set_drvdata(pdev, NULL); - 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, - }, -}; - -int __init jzfb_init(void) -{ - return platform_driver_register(&jzfb_driver); -} -module_init(jzfb_init); - -void __exit jzfb_exit(void) -{ - platform_driver_unregister(&jzfb_driver); -} -module_exit(jzfb_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Lars-Peter Clausen "); -MODULE_DESCRIPTION("JZ4720/JZ4740 SoC LCD framebuffer driver"); -MODULE_ALIAS("platform:jz4740-fb"); -MODULE_ALIAS("platform:jz4720-fb"); diff --git a/target/linux/xburst/files-2.6.32/drivers/video/metronomefb.c b/target/linux/xburst/files-2.6.32/drivers/video/metronomefb.c deleted file mode 100644 index 390d26e0d5..0000000000 --- a/target/linux/xburst/files-2.6.32/drivers/video/metronomefb.c +++ /dev/null @@ -1,1341 +0,0 @@ -/* - * linux/drivers/video/metronomefb.c -- FB driver for Metronome controller - * - * Copyright (C) 2008, Jaya Kumar - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - * - * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven. - * - * This work was made possible by help and equipment support from E-Ink - * Corporation. http://support.eink.com/community - * - * This driver is written to be used with the Metronome display controller. - * It is intended to be architecture independent. A board specific driver - * must be used to perform all the physical IO interactions. An example - * is provided as am200epd.c - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include