diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/Kconfig | 22 | ||||
| -rw-r--r-- | drivers/video/fbdev/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/fbdev/tmiofb.c | 1040 |
3 files changed, 0 insertions, 1063 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 28febf400666..3152f1a06a39 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1871,28 +1871,6 @@ config FB_SH_MOBILE_LCDC help Frame buffer driver for the on-chip SH-Mobile LCD controller. -config FB_TMIO - tristate "Toshiba Mobile IO FrameBuffer support" - depends on FB && (MFD_TMIO || COMPILE_TEST) - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - Frame buffer driver for the Toshiba Mobile IO integrated as found - on the Sharp SL-6000 series - - This driver is also available as a module ( = code which can be - inserted and removed from the running kernel whenever you want). The - module will be called tmiofb. If you want to compile it as a module, - say M here and read <file:Documentation/kbuild/modules.rst>. - - If unsure, say N. - -config FB_TMIO_ACCELL - bool "tmiofb acceleration" - depends on FB_TMIO - default y - config FB_S3C tristate "Samsung S3C framebuffer support" depends on FB && HAVE_CLK && HAS_IOMEM diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 1bb870b98848..e5206c3331d6 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -85,7 +85,6 @@ obj-$(CONFIG_FB_PXA168) += pxa168fb.o obj-$(CONFIG_PXA3XX_GCU) += pxa3xx-gcu.o obj-$(CONFIG_MMP_DISP) += mmp/ obj-$(CONFIG_FB_W100) += w100fb.o -obj-$(CONFIG_FB_TMIO) += tmiofb.o obj-$(CONFIG_FB_AU1100) += au1100fb.o obj-$(CONFIG_FB_AU1200) += au1200fb.o obj-$(CONFIG_FB_VT8500) += vt8500lcdfb.o diff --git a/drivers/video/fbdev/tmiofb.c b/drivers/video/fbdev/tmiofb.c deleted file mode 100644 index 50111966c981..000000000000 --- a/drivers/video/fbdev/tmiofb.c +++ /dev/null @@ -1,1040 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Frame Buffer Device for Toshiba Mobile IO(TMIO) controller - * - * Copyright(C) 2005-2006 Chris Humbert - * Copyright(C) 2005 Dirk Opfer - * Copytight(C) 2007,2008 Dmitry Baryshkov - * - * Based on: - * drivers/video/w100fb.c - * code written by Sharp/Lineo for 2.4 kernels - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -/* Why should fb driver call console functions? because console_lock() */ -#include <linux/console.h> -#include <linux/mfd/core.h> -#include <linux/mfd/tmio.h> -#include <linux/uaccess.h> - -/* - * accelerator commands - */ -#define TMIOFB_ACC_CSADR(x) (0x00000000 | ((x) & 0x001ffffe)) -#define TMIOFB_ACC_CHPIX(x) (0x01000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_CVPIX(x) (0x02000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_PSADR(x) (0x03000000 | ((x) & 0x00fffffe)) -#define TMIOFB_ACC_PHPIX(x) (0x04000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_PVPIX(x) (0x05000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_PHOFS(x) (0x06000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_PVOFS(x) (0x07000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_POADR(x) (0x08000000 | ((x) & 0x00fffffe)) -#define TMIOFB_ACC_RSTR(x) (0x09000000 | ((x) & 0x000000ff)) -#define TMIOFB_ACC_TCLOR(x) (0x0A000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_FILL(x) (0x0B000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_DSADR(x) (0x0C000000 | ((x) & 0x00fffffe)) -#define TMIOFB_ACC_SSADR(x) (0x0D000000 | ((x) & 0x00fffffe)) -#define TMIOFB_ACC_DHPIX(x) (0x0E000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_DVPIX(x) (0x0F000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_SHPIX(x) (0x10000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_SVPIX(x) (0x11000000 | ((x) & 0x000003ff)) -#define TMIOFB_ACC_LBINI(x) (0x12000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_LBK2(x) (0x13000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_SHBINI(x) (0x14000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_SHBK2(x) (0x15000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_SVBINI(x) (0x16000000 | ((x) & 0x0000ffff)) -#define TMIOFB_ACC_SVBK2(x) (0x17000000 | ((x) & 0x0000ffff)) - -#define TMIOFB_ACC_CMGO 0x20000000 -#define TMIOFB_ACC_CMGO_CEND 0x00000001 -#define TMIOFB_ACC_CMGO_INT 0x00000002 -#define TMIOFB_ACC_CMGO_CMOD 0x00000010 -#define TMIOFB_ACC_CMGO_CDVRV 0x00000020 -#define TMIOFB_ACC_CMGO_CDHRV 0x00000040 -#define TMIOFB_ACC_CMGO_RUND 0x00008000 -#define TMIOFB_ACC_SCGO 0x21000000 -#define TMIOFB_ACC_SCGO_CEND 0x00000001 -#define TMIOFB_ACC_SCGO_INT 0x00000002 -#define TMIOFB_ACC_SCGO_ROP3 0x00000004 -#define TMIOFB_ACC_SCGO_TRNS 0x00000008 -#define TMIOFB_ACC_SCGO_DVRV 0x00000010 -#define TMIOFB_ACC_SCGO_DHRV 0x00000020 -#define TMIOFB_ACC_SCGO_SVRV 0x00000040 -#define TMIOFB_ACC_SCGO_SHRV 0x00000080 -#define TMIOFB_ACC_SCGO_DSTXY 0x00008000 -#define TMIOFB_ACC_SBGO 0x22000000 -#define TMIOFB_ACC_SBGO_CEND 0x00000001 -#define TMIOFB_ACC_SBGO_INT 0x00000002 -#define TMIOFB_ACC_SBGO_DVRV 0x00000010 -#define TMIOFB_ACC_SBGO_DHRV 0x00000020 -#define TMIOFB_ACC_SBGO_SVRV 0x00000040 -#define TMIOFB_ACC_SBGO_SHRV 0x00000080 -#define TMIOFB_ACC_SBGO_SBMD 0x00000100 -#define TMIOFB_ACC_FLGO 0x23000000 -#define TMIOFB_ACC_FLGO_CEND 0x00000001 -#define TMIOFB_ACC_FLGO_INT 0x00000002 -#define TMIOFB_ACC_FLGO_ROP3 0x00000004 -#define TMIOFB_ACC_LDGO 0x24000000 -#define TMIOFB_ACC_LDGO_CEND 0x00000001 -#define TMIOFB_ACC_LDGO_INT 0x00000002 -#define TMIOFB_ACC_LDGO_ROP3 0x00000004 -#define TMIOFB_ACC_LDGO_ENDPX 0x00000008 -#define TMIOFB_ACC_LDGO_LVRV 0x00000010 -#define TMIOFB_ACC_LDGO_LHRV 0x00000020 -#define TMIOFB_ACC_LDGO_LDMOD 0x00000040 - -/* a FIFO is always allocated, even if acceleration is not used */ -#define TMIOFB_FIFO_SIZE 512 - -/* - * LCD Host Controller Configuration Register - * - * This iomem area supports only 16-bit IO. - */ -#define CCR_CMD 0x04 /* Command */ -#define CCR_REVID 0x08 /* Revision ID */ -#define CCR_BASEL 0x10 /* LCD Control Reg Base Addr Low */ -#define CCR_BASEH 0x12 /* LCD Control Reg Base Addr High */ -#define CCR_UGCC 0x40 /* Unified Gated Clock Control */ -#define CCR_GCC 0x42 /* Gated Clock Control */ -#define CCR_USC 0x50 /* Unified Software Clear */ -#define CCR_VRAMRTC 0x60 /* VRAM Timing Control */ - /* 0x61 VRAM Refresh Control */ -#define CCR_VRAMSAC 0x62 /* VRAM Access Control */ - /* 0x63 VRAM Status */ -#define CCR_VRAMBC 0x64 /* VRAM Block Control */ - -/* - * LCD Control Register - * - * This iomem area supports only 16-bit IO. - */ -#define LCR_UIS 0x000 /* Unified Interrupt Status */ -#define LCR_VHPN 0x008 /* VRAM Horizontal Pixel Number */ -#define LCR_CFSAL 0x00a /* Command FIFO Start Address Low */ -#define LCR_CFSAH 0x00c /* Command FIFO Start Address High */ -#define LCR_CFS 0x00e /* Command FIFO Size */ -#define LCR_CFWS 0x010 /* Command FIFO Writeable Size */ -#define LCR_BBIE 0x012 /* BitBLT Interrupt Enable */ -#define LCR_BBISC 0x014 /* BitBLT Interrupt Status and Clear */ -#define LCR_CCS 0x016 /* Command Count Status */ -#define LCR_BBES 0x018 /* BitBLT Execution Status */ -#define LCR_CMDL 0x01c /* Command Low */ -#define LCR_CMDH 0x01e /* Command High */ -#define LCR_CFC 0x022 /* Command FIFO Clear */ -#define LCR_CCIFC 0x024 /* CMOS Camera IF Control */ -#define LCR_HWT 0x026 /* Hardware Test */ -#define LCR_LCDCCRC 0x100 /* LCDC Clock and Reset Control */ -#define LCR_LCDCC 0x102 /* LCDC Control */ -#define LCR_LCDCOPC 0x104 /* LCDC Output Pin Control */ -#define LCR_LCDIS 0x108 /* LCD Interrupt Status */ -#define LCR_LCDIM 0x10a /* LCD Interrupt Mask */ -#define LCR_LCDIE 0x10c /* LCD Interrupt Enable */ -#define LCR_GDSAL 0x122 /* Graphics Display Start Address Low */ -#define LCR_GDSAH 0x124 /* Graphics Display Start Address High */ -#define LCR_VHPCL 0x12a /* VRAM Horizontal Pixel Count Low */ -#define LCR_VHPCH 0x12c /* VRAM Horizontal Pixel Count High */ -#define LCR_GM 0x12e /* Graphic Mode(VRAM access enable) */ -#define LCR_HT 0x140 /* Horizontal Total */ -#define LCR_HDS 0x142 /* Horizontal Display Start */ -#define LCR_HSS 0x144 /* H-Sync Start */ -#define LCR_HSE 0x146 /* H-Sync End */ -#define LCR_HNP 0x14c /* Horizontal Number of Pixels */ -#define LCR_VT 0x150 /* Vertical Total */ -#define LCR_VDS 0x152 /* Vertical Display Start */ -#define LCR_VSS 0x154 /* V-Sync Start */ -#define LCR_VSE 0x156 /* V-Sync End */ -#define LCR_CDLN 0x160 /* Current Display Line Number */ -#define LCR_ILN 0x162 /* Interrupt Line Number */ -#define LCR_SP 0x164 /* Sync Polarity */ -#define LCR_MISC 0x166 /* MISC(RGB565 mode) */ -#define LCR_VIHSS 0x16a /* Video Interface H-Sync Start */ -#define LCR_VIVS 0x16c /* Video Interface Vertical Start */ -#define LCR_VIVE 0x16e /* Video Interface Vertical End */ -#define LCR_VIVSS 0x170 /* Video Interface V-Sync Start */ -#define LCR_VCCIS 0x17e /* Video / CMOS Camera Interface Select */ -#define LCR_VIDWSAL 0x180 /* VI Data Write Start Address Low */ -#define LCR_VIDWSAH 0x182 /* VI Data Write Start Address High */ -#define LCR_VIDRSAL 0x184 /* VI Data Read Start Address Low */ -#define LCR_VIDRSAH 0x186 /* VI Data Read Start Address High */ -#define LCR_VIPDDST 0x188 /* VI Picture Data Display Start Timing */ -#define LCR_VIPDDET 0x186 /* VI Picture Data Display End Timing */ -#define LCR_VIE 0x18c /* Video Interface Enable */ -#define LCR_VCS 0x18e /* Video/Camera Select */ -#define LCR_VPHWC 0x194 /* Video Picture Horizontal Wait Count */ -#define LCR_VPHS 0x196 /* Video Picture Horizontal Size */ -#define LCR_VPVWC 0x198 /* Video Picture Vertical Wait Count */ -#define LCR_VPVS 0x19a /* Video Picture Vertical Size */ -#define LCR_PLHPIX 0x1a0 /* PLHPIX */ -#define LCR_XS 0x1a2 /* XStart */ -#define LCR_XCKHW 0x1a4 /* XCK High Width */ -#define LCR_STHS 0x1a8 /* STH Start */ -#define LCR_VT2 0x1aa /* Vertical Total */ -#define LCR_YCKSW 0x1ac /* YCK Start Wait */ -#define LCR_YSTS 0x1ae /* YST Start */ -#define LCR_PPOLS 0x1b0 /* #PPOL Start */ -#define LCR_PRECW 0x1b2 /* PREC Width */ -#define LCR_VCLKHW 0x1b4 /* VCLK High Width */ -#define LCR_OC 0x1b6 /* Output Control */ - -static char *mode_option; - -struct tmiofb_par { - u32 pseudo_palette[16]; - -#ifdef CONFIG_FB_TMIO_ACCELL - wait_queue_head_t wait_acc; - bool use_polling; -#endif - - void __iomem *ccr; - void __iomem *lcr; -}; - -/*--------------------------------------------------------------------------*/ - -/* - * reasons for an interrupt: - * uis bbisc lcdis - * 0100 0001 accelerator command completed - * 2000 0001 vsync start - * 2000 0002 display start - * 2000 0004 line number match(0x1ff mask???) - */ -static irqreturn_t tmiofb_irq(int irq, void *__info) -{ - struct fb_info *info = __info; - struct tmiofb_par *par = info->par; - unsigned int bbisc = tmio_ioread16(par->lcr + LCR_BBISC); - - - tmio_iowrite16(bbisc, par->lcr + LCR_BBISC); - -#ifdef CONFIG_FB_TMIO_ACCELL - /* - * We were in polling mode and now we got correct irq. - * Switch back to IRQ-based sync of command FIFO - */ - if (unlikely(par->use_polling && irq != -1)) { - printk(KERN_INFO "tmiofb: switching to waitq\n"); - par->use_polling = false; - } - - if (bbisc & 1) - wake_up(&par->wait_acc); -#endif - - return IRQ_HANDLED; -} - - -/*--------------------------------------------------------------------------*/ - - -/* - * Turns off the LCD controller and LCD host controller. - */ -static int tmiofb_hw_stop(struct platform_device *dev) -{ - struct tmio_fb_data *data = dev_get_platdata(&dev->dev); - struct fb_info *info = platform_get_drvdata(dev); - struct tmiofb_par *par = info->par; - - tmio_iowrite16(0, par->ccr + CCR_UGCC); - tmio_iowrite16(0, par->lcr + LCR_GM); - data->lcd_set_power(dev, 0); - tmio_iowrite16(0x0010, par->lcr + LCR_LCDCCRC); - - return 0; -} - -/* - * Initializes the LCD host controller. - */ -static int tmiofb_hw_init(struct platform_device *dev) -{ - const struct mfd_cell *cell = mfd_get_cell(dev); - struct fb_info *info = platform_get_drvdata(dev); - struct tmiofb_par *par = info->par; - const struct resource *nlcr = &cell->resources[0]; - const struct resource *vram = &cell->resources[2]; - unsigned long base; - - if (nlcr == NULL || vram == NULL) - return -EINVAL; - - base = nlcr->start; - - tmio_iowrite16(0x003a, par->ccr + CCR_UGCC); - tmio_iowrite16(0x003a, par->ccr + CCR_GCC); - tmio_iowrite16(0x3f00, par->ccr + CCR_USC); - - msleep(2); /* wait for device to settle */ - - tmio_iowrite16(0x0000, par->ccr + CCR_USC); - tmio_iowrite16(base >> 16, par->ccr + CCR_BASEH); - tmio_iowrite16(base, par->ccr + CCR_BASEL); - tmio_iowrite16(0x0002, par->ccr + CCR_CMD); /* base address enable */ - tmio_iowrite16(0x40a8, par->ccr + CCR_VRAMRTC); /* VRAMRC, VRAMTC */ - tmio_iowrite16(0x0018, par->ccr + CCR_VRAMSAC); /* VRAMSTS, VRAMAC */ - tmio_iowrite16(0x0002, par->ccr + CCR_VRAMBC); - msleep(2); /* wait for device to settle */ - tmio_iowrite16(0x000b, par->ccr + CCR_VRAMBC); - - base = vram->start + info->screen_size; - tmio_iowrite16(base >> 16, par->lcr + LCR_CFSAH); - tmio_iowrite16(base, par->lcr + LCR_CFSAL); - tmio_iowrite16(TMIOFB_FIFO_SIZE - 1, par->lcr + LCR_CFS); - tmio_iowrite16(1, par->lcr + LCR_CFC); - tmio_iowrite16(1, par->lcr + LCR_BBIE); - tmio_iowrite16(0, par->lcr + LCR_CFWS); - - return 0; -} - -/* - * Sets the LCD controller's output resolution and pixel clock - */ -static void tmiofb_hw_mode(struct platform_device *dev) -{ - struct tmio_fb_data *data = dev_get_platdata(&dev->dev); - struct fb_info *info = platform_get_drvdata(dev); - struct fb_videomode *mode = info->mode; - struct tmiofb_par *par = info->par; - unsigned int i; - - tmio_iowrite16(0, par->lcr + LCR_GM); - data->lcd_set_power(dev, 0); - tmio_iowrite16(0x0010, par->lcr + LCR_LCDCCRC); - data->lcd_mode(dev, mode); - data->lcd_set_power(dev, 1); - - tmio_iowrite16(info->fix.line_length, par->lcr + LCR_VHPN); - tmio_iowrite16(0, par->lcr + LCR_GDSAH); - tmio_iowrite16(0, par->lcr + LCR_GDSAL); - tmio_iowrite16(info->fix.line_length >> 16, par->lcr + LCR_VHPCH); - tmio_iowrite16(info->fix.line_length, par->lcr + LCR_VHPCL); - tmio_iowrite16(i = 0, par->lcr + LCR_HSS); - tmio_iowrite16(i += mode->hsync_len, par->lcr + LCR_HSE); - tmio_iowrite16(i += mode->left_margin, par->lcr + LCR_HDS); - tmio_iowrite16(i += mode->xres + mode->right_margin, par->lcr + LCR_HT); - tmio_iowrite16(mode->xres, par->lcr + LCR_HNP); - tmio_iowrite16(i = 0, par->lcr + LCR_VSS); - tmio_iowrite16(i += mode->vsync_len, par->lcr + LCR_VSE); - tmio_iowrite16(i += mode->upper_margin, par->lcr + LCR_VDS); - tmio_iowrite16(i += mode->yres, par->lcr + LCR_ILN); - tmio_iowrite16(i += mode->lower_margin, par->lcr + LCR_VT); - tmio_iowrite16(3, par->lcr + LCR_MISC); /* RGB565 mode */ - tmio_iowrite16(1, par->lcr + LCR_GM); /* VRAM enable */ - tmio_iowrite16(0x4007, par->lcr + LCR_LCDCC); - tmio_iowrite16(3, par->lcr + LCR_SP); /* sync polarity */ - - tmio_iowrite16(0x0010, par->lcr + LCR_LCDCCRC); - msleep(5); /* wait for device to settle */ - tmio_iowrite16(0x0014, par->lcr + LCR_LCDCCRC); /* STOP_CKP */ - msleep(5); /* wait for device to settle */ - tmio_iowrite16(0x0015, par->lcr + LCR_LCDCCRC); /* STOP_CKP|SOFT_RESET*/ - tmio_iowrite16(0xfffa, par->lcr + LCR_VCS); -} - -/*--------------------------------------------------------------------------*/ - -#ifdef CONFIG_FB_TMIO_ACCELL -static int __must_check -tmiofb_acc_wait(struct fb_info *info, unsigned int ccs) -{ - struct tmiofb_par *par = info->par; - /* - * This code can be called with interrupts disabled. - * So instead of relaying on irq to trigger the event, - * poll the state till the necessary command is executed. - */ - if (irqs_disabled() || par->use_polling) { - int i = 0; - while (tmio_ioread16(par->lcr + LCR_CCS) > ccs) { - udelay(1); - i++; - if (i > 10000) { - pr_err("tmiofb: timeout waiting for %d\n", - ccs); - return -ETIMEDOUT; - } - tmiofb_irq(-1, info); - } - } else { - if (!wait_event_interruptible_timeout(par->wait_acc, - tmio_ioread16(par->lcr + LCR_CCS) <= ccs, - 1000)) { - pr_err("tmiofb: timeout waiting for %d\n", ccs); - return -ETIMEDOUT; - } - } - - return 0; -} - -/* - * Writes an accelerator command to the accelerator's FIFO. - */ -static int -tmiofb_acc_write(struct fb_info *info, const u32 *cmd, unsigned int count) -{ - struct tmiofb_par *par = info->par; - int ret; - - ret = tmiofb_acc_wait(info, TMIOFB_FIFO_SIZE - count); - if (ret) - return ret; - - for (; count; count--, cmd++) { - tmio_iowrite16(*cmd >> 16, par->lcr + LCR_CMDH); - tmio_iowrite16(*cmd, par->lcr + LCR_CMDL); - } - - return ret; -} - -/* - * Wait for the accelerator to finish its operations before writing - * to the framebuffer for consistent display output. - */ -static int tmiofb_sync(struct fb_info *fbi) -{ - struct tmiofb_par *par = fbi->par; - - int ret; - int i = 0; - - ret = tmiofb_acc_wait(fbi, 0); - - while (tmio_ioread16(par->lcr + LCR_BBES) & 2) { /* blit active */ - udelay(1); - i++ ; - if (i > 10000) { - printk(KERN_ERR "timeout waiting for blit to end!\n"); - return -ETIMEDOUT; - } - } - - return ret; -} - -static void -tmiofb_fillrect(struct fb_info *fbi, const struct fb_fillrect *rect) -{ - const u32 cmd[] = { - TMIOFB_ACC_DSADR((rect->dy * fbi->mode->xres + rect->dx) * 2), - TMIOFB_ACC_DHPIX(rect->width - 1), - TMIOFB_ACC_DVPIX(rect->height - 1), - TMIOFB_ACC_FILL(rect->color), - TMIOFB_ACC_FLGO, - }; - - if (fbi->state != FBINFO_STATE_RUNNING || - fbi->flags & FBINFO_HWACCEL_DISABLED) { - cfb_fillrect(fbi, rect); - return; - } - - tmiofb_acc_write(fbi, cmd, ARRAY_SIZE(cmd)); -} - -static void -tmiofb_copyarea(struct fb_info *fbi, const struct fb_copyarea *area) -{ - const u32 cmd[] = { - TMIOFB_ACC_DSADR((area->dy * fbi->mode->xres + area->dx) * 2), - TMIOFB_ACC_DHPIX(area->width - 1), - TMIOFB_ACC_DVPIX(area->height - 1), - TMIOFB_ACC_SSADR((area->sy * fbi->mode->xres + area->sx) * 2), - TMIOFB_ACC_SCGO, - }; - - if (fbi->state != FBINFO_STATE_RUNNING || - fbi->flags & FBINFO_HWACCEL_DISABLED) { - cfb_copyarea(fbi, area); - return; - } - - tmiofb_acc_write(fbi, cmd, ARRAY_SIZE(cmd)); -} -#endif - -static void tmiofb_clearscreen(struct fb_info *info) -{ - const struct fb_fillrect rect = { - .dx = 0, - .dy = 0, - .width = info->mode->xres, - .height = info->mode->yres, - .color = 0, - .rop = ROP_COPY, - }; - - info->fbops->fb_fillrect(info, &rect); -} - -static int tmiofb_vblank(struct fb_info *fbi, struct fb_vblank *vblank) -{ - struct tmiofb_par *par = fbi->par; - struct fb_videomode *mode = fbi->mode; - unsigned int vcount = tmio_ioread16(par->lcr + LCR_CDLN); - unsigned int vds = mode->vsync_len + mode->upper_margin; - - vblank->vcount = vcount; - vblank->flags = FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_VCOUNT - | FB_VBLANK_HAVE_VSYNC; - - if (vcount < mode->vsync_len) - vblank->flags |= FB_VBLANK_VSYNCING; - - if (vcount < vds || vcount > vds + mode->yres) - vblank->flags |= FB_VBLANK_VBLANKING; - - return 0; -} - - -static int tmiofb_ioctl(struct fb_info *fbi, - unsigned int cmd, unsigned long arg) -{ - switch (cmd) { - case FBIOGET_VBLANK: { - struct fb_vblank vblank = {0}; - void __user *argp = (void __user *) arg; - - tmiofb_vblank(fbi, &vblank); - if (copy_to_user(argp, &vblank, sizeof vblank)) - return -EFAULT; - return 0; - } - -#ifdef CONFIG_FB_TMIO_ACCELL - case FBIO_TMIO_ACC_SYNC: - tmiofb_sync(fbi); - return 0; - - case FBIO_TMIO_ACC_WRITE: { - u32 __user *argp = (void __user *) arg; - u32 len; - u32 acc[16]; - - if (get_user(len, argp)) - return -EFAULT; - if (len > ARRAY_SIZE(acc)) - return -EINVAL; - if (copy_from_user(acc, argp + 1, sizeof(u32) * len)) - return -EFAULT; - - return tmiofb_acc_write(fbi, acc, len); - } -#endif - } - - return -ENOTTY; -} - -/*--------------------------------------------------------------------------*/ - -/* Select the smallest mode that allows the desired resolution to be - * displayed. If desired, the x and y parameters can be rounded up to - * match the selected mode. - */ -static struct fb_videomode * -tmiofb_find_mode(struct fb_info *info, struct fb_var_screeninfo *var) -{ - struct tmio_fb_data *data = dev_get_platdata(info->device); - struct fb_videomode *best = NULL; - int i; - - for (i = 0; i < data->num_modes; i++) { - struct fb_videomode *mode = data->modes + i; - - if (mode->xres >= var->xres && mode->yres >= var->yres - && (!best || (mode->xres < best->xres - && mode->yres < best->yres))) - best = mode; - } - - return best; -} - -static int tmiofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - - struct fb_videomode *mode; - struct tmio_fb_data *data = dev_get_platdata(info->device); - - mode = tmiofb_find_mode(info, var); - if (!mode || var->bits_per_pixel > 16) - return -EINVAL; - - fb_videomode_to_var(var, mode); - - var->xres_virtual = mode->xres; - var->yres_virtual = info->screen_size / (mode->xres * 2); - - if (var->yres_virtual < var->yres) - return -EINVAL; - - var->xoffset = 0; - var->yoffset = 0; - var->bits_per_pixel = 16; - var->grayscale = 0; - var->red.offset = 11; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 5; - var->transp.offset = 0; - var->transp.length = 0; - var->nonstd = 0; - var->height = data->height; /* mm */ - var->width = data->width; /* mm */ - var->rotate = 0; - return 0; -} - -static int tmiofb_set_par(struct fb_info *info) -{ - struct fb_var_screeninfo *var = &info->var; - struct fb_videomode *mode; - - mode = tmiofb_find_mode(info, var); - if (!mode) - return -EINVAL; - - info->mode = mode; - info->fix.line_length = info->mode->xres * - var->bits_per_pixel / 8; - - tmiofb_hw_mode(to_platform_device(info->device)); - tmiofb_clearscreen(info); - return 0; -} - -static int tmiofb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct tmiofb_par *par = info->par; - - if (regno < ARRAY_SIZE(par->pseudo_palette)) { - par->pseudo_palette[regno] = - ((red & 0xf800)) | - ((green & 0xfc00) >> 5) | - ((blue & 0xf800) >> 11); - return 0; - } - - return -EINVAL; -} - -static int tmiofb_blank(int blank, struct fb_info *info) -{ - /* - * everything is done in lcd/bl drivers. - * this is purely to make sysfs happy and work. - */ - return 0; -} - -static const struct fb_ops tmiofb_ops = { - .owner = THIS_MODULE, - - .fb_ioctl = tmiofb_ioctl, - .fb_check_var = tmiofb_check_var, - .fb_set_par = tmiofb_set_par, - .fb_setcolreg = tmiofb_setcolreg, - .fb_blank = tmiofb_blank, - .fb_imageblit = cfb_imageblit, -#ifdef CONFIG_FB_TMIO_ACCELL - .fb_sync = tmiofb_sync, - .fb_fillrect = tmiofb_fillrect, - .fb_copyarea = tmiofb_copyarea, -#else - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, -#endif -}; - -/*--------------------------------------------------------------------------*/ - -static int tmiofb_probe(struct platform_device *dev) -{ - const struct mfd_cell *cell = mfd_get_cell(dev); - struct tmio_fb_data *data = dev_get_platdata(&dev->dev); - struct resource *ccr = platform_get_resource(dev, IORESOURCE_MEM, 1); - struct resource *lcr = platform_get_resource(dev, IORESOURCE_MEM, 0); - struct resource *vram = platform_get_resource(dev, IORESOURCE_MEM, 2); - int irq = platform_get_irq(dev, 0); - struct fb_info *info; - struct tmiofb_par *par; - int retval; - - /* - * This is the only way ATM to disable the fb - */ - if (data == NULL) { - dev_err(&dev->dev, "NULL platform data!\n"); - return -EINVAL; - } - if (ccr == NULL || lcr == NULL || vram == NULL || irq < 0) { - dev_err(&dev->dev, "missing resources\n"); - return -EINVAL; - } - - info = framebuffer_alloc(sizeof(struct tmiofb_par), &dev->dev); - - if (!info) - return -ENOMEM; - - par = info->par; - -#ifdef CONFIG_FB_TMIO_ACCELL - init_waitqueue_head(&par->wait_acc); - - par->use_polling = true; - - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA - | FBINFO_HWACCEL_FILLRECT; -#else - info->flags = FBINFO_DEFAULT; -#endif - - info->fbops = &tmiofb_ops; - - strcpy(info->fix.id, "tmio-fb"); - info->fix.smem_start = vram->start; - info->fix.smem_len = resource_size(vram); - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_TRUECOLOR; - info->fix.mmio_start = lcr->start; - info->fix.mmio_len = resource_size(lcr); - info->fix.accel = FB_ACCEL_NONE; - info->screen_size = info->fix.smem_len - (4 * TMIOFB_FIFO_SIZE); - info->pseudo_palette = par->pseudo_palette; - - par->ccr = ioremap(ccr->start, resource_size(ccr)); - if (!par->ccr) { - retval = -ENOMEM; - goto err_ioremap_ccr; - } - - par->lcr = ioremap(info->fix.mmio_start, info->fix.mmio_len); - if (!par->lcr) { - retval = -ENOMEM; - goto err_ioremap_lcr; - } - - info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); - if (!info->screen_base) { - retval = -ENOMEM; - goto err_ioremap_vram; - } - - retval = request_irq(irq, &tmiofb_irq, 0, - dev_name(&dev->dev), info); - - if (retval) - goto err_request_irq; - - platform_set_drvdata(dev, info); - - retval = fb_find_mode(&info->var, info, mode_option, - data->modes, data->num_modes, - data->modes, 16); - if (!retval) { - retval = -EINVAL; - goto err_find_mode; - } - - if (cell->enable) { - retval = cell->enable(dev); - if (retval) - goto err_enable; - } - - retval = tmiofb_hw_init(dev); - if (retval) - goto err_hw_init; - - fb_videomode_to_modelist(data->modes, data->num_modes, - &info->modelist); - - retval = register_framebuffer(info); - if (retval < 0) - goto err_register_framebuffer; - - fb_info(info, "%s frame buffer device\n", info->fix.id); - - return 0; - -err_register_framebuffer: -/*err_set_par:*/ - tmiofb_hw_stop(dev); -err_hw_init: - if (cell->disable) - cell->disable(dev); -err_enable: -err_find_mode: - free_irq(irq, info); -err_request_irq: - iounmap(info->screen_base); -err_ioremap_vram: - iounmap(par->lcr); -err_ioremap_lcr: - iounmap(par->ccr); -err_ioremap_ccr: - framebuffer_release(info); - return retval; -} - -static int tmiofb_remove(struct platform_device *dev) -{ - const struct mfd_cell *cell = mfd_get_cell(dev); - struct fb_info *info = platform_get_drvdata(dev); - int irq = platform_get_irq(dev, 0); - struct tmiofb_par *par; - - if (info) { - par = info->par; - unregister_framebuffer(info); - - tmiofb_hw_stop(dev); - - if (cell->disable) - cell->disable(dev); - - free_irq(irq, info); - - iounmap(info->screen_base); - iounmap(par->lcr); - iounmap(par->ccr); - - framebuffer_release(info); - } - - return 0; -} - -#ifdef DEBUG -static void tmiofb_dump_regs(struct platform_device *dev) -{ - struct fb_info *info = platform_get_drvdata(dev); - struct tmiofb_par *par = info->par; - - printk(KERN_DEBUG "lhccr:\n"); -#define CCR_PR(n) printk(KERN_DEBUG "\t" #n " = \t%04x\n",\ - tmio_ioread16(par->ccr + CCR_ ## n)); - CCR_PR(CMD); - CCR_PR(REVID); - CCR_PR(BASEL); - CCR_PR(BASEH); - CCR_PR(UGCC); - CCR_PR(GCC); - CCR_PR(USC); - CCR_PR(VRAMRTC); - CCR_PR(VRAMSAC); - CCR_PR(VRAMBC); -#undef CCR_PR - - printk(KERN_DEBUG "lcr: \n"); -#define LCR_PR(n) printk(KERN_DEBUG "\t" #n " = \t%04x\n",\ - tmio_ioread16(par->lcr + LCR_ ## n)); - LCR_PR(UIS); - LCR_PR(VHPN); - LCR_PR(CFSAL); - LCR_PR(CFSAH); - LCR_PR(CFS); - LCR_PR(CFWS); - LCR_PR(BBIE); - LCR_PR(BBISC); - LCR_PR(CCS); - LCR_PR(BBES); - LCR_PR(CMDL); - LCR_PR(CMDH); - LCR_PR(CFC); - LCR_PR(CCIFC); - LCR_PR(HWT); - LCR_PR(LCDCCRC); - LCR_PR(LCDCC); - LCR_PR(LCDCOPC); - LCR_PR(LCDIS); - LCR_PR(LCDIM); - LCR_PR(LCDIE); - LCR_PR(GDSAL); - LCR_PR(GDSAH); - LCR_PR(VHPCL); - LCR_PR(VHPCH); - LCR_PR(GM); - LCR_PR(HT); - LCR_PR(HDS); - LCR_PR(HSS); - LCR_PR(HSE); - LCR_PR(HNP); - LCR_PR(VT); - LCR_PR(VDS); - LCR_PR(VSS); - LCR_PR(VSE); - LCR_PR(CDLN); - LCR_PR(ILN); - LCR_PR(SP); - LCR_PR(MISC); - LCR_PR(VIHSS); - LCR_PR(VIVS); - LCR_PR(VIVE); - LCR_PR(VIVSS); - LCR_PR(VCCIS); - LCR_PR(VIDWSAL); - LCR_PR(VIDWSAH); - LCR_PR(VIDRSAL); - LCR_PR(VIDRSAH); - LCR_PR(VIPDDST); - LCR_PR(VIPDDET); - LCR_PR(VIE); - LCR_PR(VCS); - LCR_PR(VPHWC); - LCR_PR(VPHS); - LCR_PR(VPVWC); - LCR_PR(VPVS); - LCR_PR(PLHPIX); - LCR_PR(XS); - LCR_PR(XCKHW); - LCR_PR(STHS); - LCR_PR(VT2); - LCR_PR(YCKSW); - LCR_PR(YSTS); - LCR_PR(PPOLS); - LCR_PR(PRECW); - LCR_PR(VCLKHW); - LCR_PR(OC); -#undef LCR_PR -} -#endif - -#ifdef CONFIG_PM -static int tmiofb_suspend(struct platform_device *dev, pm_message_t state) -{ - struct fb_info *info = platform_get_drvdata(dev); -#ifdef CONFIG_FB_TMIO_ACCELL - struct tmiofb_par *par = info->par; -#endif - const struct mfd_cell *cell = mfd_get_cell(dev); - int retval = 0; - - console_lock(); - - fb_set_suspend(info, 1); - - if (info->fbops->fb_sync) - info->fbops->fb_sync(info); - - -#ifdef CONFIG_FB_TMIO_ACCELL - /* - * The fb should be usable even if interrupts are disabled (and they are - * during suspend/resume). Switch temporary to forced polling. - */ - printk(KERN_INFO "tmiofb: switching to polling\n"); - par->use_polling = true; -#endif - tmiofb_hw_stop(dev); - - if (cell->suspend) - retval = cell->suspend(dev); - - console_unlock(); - - return retval; -} - -static int tmiofb_resume(struct platform_device *dev) -{ - struct fb_info *info = platform_get_drvdata(dev); - const struct mfd_cell *cell = mfd_get_cell(dev); - int retval = 0; - - console_lock(); - - if (cell->resume) { - retval = cell->resume(dev); - if (retval) - goto out; - } - - tmiofb_irq(-1, info); - - tmiofb_hw_init(dev); - - tmiofb_hw_mode(dev); - - fb_set_suspend(info, 0); -out: - console_unlock(); - return retval; -} -#else -#define tmiofb_suspend NULL -#define tmiofb_resume NULL -#endif - -static struct platform_driver tmiofb_driver = { - .driver.name = "tmio-fb", - .driver.owner = THIS_MODULE, - .probe = tmiofb_probe, - .remove = tmiofb_remove, - .suspend = tmiofb_suspend, - .resume = tmiofb_resume, -}; - -/*--------------------------------------------------------------------------*/ - -#ifndef MODULE -static void __init tmiofb_setup(char *options) -{ - char *this_opt; - - if (!options || !*options) - return; - - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) - continue; - /* - * FIXME - */ - } -} -#endif - -static int __init tmiofb_init(void) -{ -#ifndef MODULE - char *option = NULL; - - if (fb_get_options("tmiofb", &option)) - return -ENODEV; - tmiofb_setup(option); -#endif - return platform_driver_register(&tmiofb_driver); -} - -static void __exit tmiofb_cleanup(void) -{ - platform_driver_unregister(&tmiofb_driver); -} - -module_init(tmiofb_init); -module_exit(tmiofb_cleanup); - -MODULE_DESCRIPTION("TMIO framebuffer driver"); -MODULE_AUTHOR("Chris Humbert, Dirk Opfer, Dmitry Baryshkov"); -MODULE_LICENSE("GPL"); |