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authorRichard Purdie <rpurdie@rpsys.net>2008-03-07 09:54:20 +0000
committerRichard Purdie <rpurdie@rpsys.net>2008-03-07 09:54:20 +0000
commit364416bb01613f238157cd55dcde82f30b969e28 (patch)
tree3cd9125a013dd12111ee6a161ab0ef0d777988a5 /packages/linux/linux-rp-2.6.24/tosa/0009-FB-driver-for-TMIO-devices.patch
parent86b97ee454f147ead453e3d4a26d8392df22769c (diff)
linux-rp-2.6.24: Add missing patches from previous commit
Diffstat (limited to 'packages/linux/linux-rp-2.6.24/tosa/0009-FB-driver-for-TMIO-devices.patch')
-rw-r--r--packages/linux/linux-rp-2.6.24/tosa/0009-FB-driver-for-TMIO-devices.patch1128
1 files changed, 1128 insertions, 0 deletions
diff --git a/packages/linux/linux-rp-2.6.24/tosa/0009-FB-driver-for-TMIO-devices.patch b/packages/linux/linux-rp-2.6.24/tosa/0009-FB-driver-for-TMIO-devices.patch
new file mode 100644
index 0000000000..5fc96f8973
--- /dev/null
+++ b/packages/linux/linux-rp-2.6.24/tosa/0009-FB-driver-for-TMIO-devices.patch
@@ -0,0 +1,1128 @@
+From 519d015892ab0a7cad1f6b26fcd38117171384ce Mon Sep 17 00:00:00 2001
+From: Ian Molton <spyro@f2s.com>
+Date: Tue, 1 Jan 2008 21:22:23 +0000
+Subject: [PATCH 09/64] FB driver for TMIO devices
+
+---
+ drivers/video/Kconfig | 22 +
+ drivers/video/Makefile | 1 +
+ drivers/video/tmiofb.c | 1062 ++++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 1085 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/video/tmiofb.c
+
+diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
+index 5b3dbcf..6d0df58 100644
+--- a/drivers/video/Kconfig
++++ b/drivers/video/Kconfig
+@@ -1782,6 +1782,28 @@ config FB_W100
+
+ If unsure, say N.
+
++config FB_TMIO
++ tristate "Toshiba Mobice IO FrameBuffer support"
++ depends on FB && MFD_CORE
++ 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.txt>.
++
++ If unsure, say N.
++
++config FB_TMIO_ACCELL
++ bool "tmiofb acceleration"
++ depends on FB_TMIO
++ default y
++
+ config FB_S3C2410
+ tristate "S3C2410 LCD framebuffer support"
+ depends on FB && ARCH_S3C2410
+diff --git a/drivers/video/Makefile b/drivers/video/Makefile
+index 83e02b3..74e9384 100644
+--- a/drivers/video/Makefile
++++ b/drivers/video/Makefile
+@@ -97,6 +97,7 @@ obj-$(CONFIG_FB_CIRRUS) += cirrusfb.o
+ obj-$(CONFIG_FB_ASILIANT) += asiliantfb.o
+ obj-$(CONFIG_FB_PXA) += pxafb.o
+ obj-$(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_PMAG_AA) += pmag-aa-fb.o
+diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c
+new file mode 100644
+index 0000000..6b963a1
+--- /dev/null
++++ b/drivers/video/tmiofb.c
+@@ -0,0 +1,1062 @@
++/*
++ * Frame Buffer Device for Toshiba Mobile IO(TMIO) controller
++ *
++ * Copyright(C) 2005-2006 Chris Humbert
++ * Copyright(C) 2005 Dirk Opfer
++ *
++ * Based on:
++ * drivers/video/w100fb.c
++ * code written by Sharp/Lineo for 2.4 kernels
++ *
++ * 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.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ */
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/mfd-core.h>
++#include <linux/mfd/tmio.h>
++#include <linux/fb.h>
++#include <linux/interrupt.h>
++#include <linux/delay.h>
++/* Why should fb driver call console functions? because acquire_console_sem() */
++#include <linux/console.h>
++#include <linux/uaccess.h>
++#include <linux/vmalloc.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.
++ */
++struct tmio_lhccr {
++ u16 x00[2];
++ u16 cmd; /* 0x04 Command */
++ u16 x01;
++ u16 revid; /* 0x08 Revision ID */
++ u16 x02[3];
++ u16 basel; /* 0x10 LCD Control Reg Base Addr Low */
++ u16 baseh; /* 0x12 LCD Control Reg Base Addr High */
++ u16 x03[0x16];
++ u16 ugcc; /* 0x40 Unified Gated Clock Control */
++ u16 gcc; /* 0x42 Gated Clock Control */
++ u16 x04[6];
++ u16 usc; /* 0x50 Unified Software Clear */
++ u16 x05[7];
++ u16 vramrtc; /* 0x60 VRAM Timing Control */
++ /* 0x61 VRAM Refresh Control */
++ u16 vramsac; /* 0x62 VRAM Access Control */
++ /* 0x63 VRAM Status */
++ u16 vrambc; /* 0x64 VRAM Block Control */
++ u16 x06[0x4d];
++};
++
++/*
++ * LCD Control Register
++ *
++ * This iomem area supports only 16-bit IO.
++ */
++struct tmio_lcr {
++ u16 uis; /* 0x000 Unified Interrupt Status */
++ u16 x00[3];
++ u16 vhpn; /* 0x008 VRAM Horizontal Pixel Number */
++ u16 cfsal; /* 0x00a Command FIFO Start Address Low */
++ u16 cfsah; /* 0x00c Command FIFO Start Address High */
++ u16 cfs; /* 0x00e Command FIFO Size */
++ u16 cfws; /* 0x010 Command FIFO Writeable Size */
++ u16 bbie; /* 0x012 BitBLT Interrupt Enable */
++ u16 bbisc; /* 0x014 BitBLT Interrupt Status and Clear */
++ u16 ccs; /* 0x016 Command Count Status */
++ u16 bbes; /* 0x018 BitBLT Execution Status */
++ u16 x01;
++ u16 cmdl; /* 0x01c Command Low */
++ u16 cmdh; /* 0x01e Command High */
++ u16 x02;
++ u16 cfc; /* 0x022 Command FIFO Clear */
++ u16 ccifc; /* 0x024 CMOS Camera IF Control */
++ u16 hwt; /* 0x026 Hardware Test */
++ u16 x03[0x6c];
++ u16 lcdccrc;/* 0x100 LCDC Clock and Reset Control */
++ u16 lcdcc; /* 0x102 LCDC Control */
++ u16 lcdcopc;/* 0x104 LCDC Output Pin Control */
++ u16 x04;
++ u16 lcdis; /* 0x108 LCD Interrupt Status */
++ u16 lcdim; /* 0x10a LCD Interrupt Mask */
++ u16 lcdie; /* 0x10c LCD Interrupt Enable */
++ u16 x05[10];
++ u16 gdsal; /* 0x122 Graphics Display Start Address Low */
++ u16 gdsah; /* 0x124 Graphics Display Start Address High */
++ u16 x06[2];
++ u16 vhpcl; /* 0x12a VRAM Horizontal Pixel Count Low */
++ u16 vhpch; /* 0x12c VRAM Horizontal Pixel Count High */
++ u16 gm; /* 0x12e Graphic Mode(VRAM access enable) */
++ u16 x07[8];
++ u16 ht; /* 0x140 Horizontal Total */
++ u16 hds; /* 0x142 Horizontal Display Start */
++ u16 hss; /* 0x144 H-Sync Start */
++ u16 hse; /* 0x146 H-Sync End */
++ u16 x08[2];
++ u16 hnp; /* 0x14c Horizontal Number of Pixels */
++ u16 x09;
++ u16 vt; /* 0x150 Vertical Total */
++ u16 vds; /* 0x152 Vertical Display Start */
++ u16 vss; /* 0x154 V-Sync Start */
++ u16 vse; /* 0x156 V-Sync End */
++ u16 x0a[4];
++ u16 cdln; /* 0x160 Current Display Line Number */
++ u16 iln; /* 0x162 Interrupt Line Number */
++ u16 sp; /* 0x164 Sync Polarity */
++ u16 misc; /* 0x166 MISC(RGB565 mode) */
++ u16 x0b;
++ u16 vihss; /* 0x16a Video Interface H-Sync Start */
++ u16 vivs; /* 0x16c Video Interface Vertical Start */
++ u16 vive; /* 0x16e Video Interface Vertical End */
++ u16 vivss; /* 0x170 Video Interface V-Sync Start */
++ u16 x0c[6];
++ u16 vccis; /* 0x17e Video / CMOS Camera Interface Select */
++ u16 vidwsal;/* 0x180 VI Data Write Start Address Low */
++ u16 vidwsah;/* 0x182 VI Data Write Start Address High */
++ u16 vidrsal;/* 0x184 VI Data Read Start Address Low */
++ u16 vidrsah;/* 0x186 VI Data Read Start Address High */
++ u16 vipddst;/* 0x188 VI Picture Data Display Start Timing */
++ u16 vipddet;/* 0x186 VI Picture Data Display End Timing */
++ u16 vie; /* 0x18c Video Interface Enable */
++ u16 vcs; /* 0x18e Video/Camera Select */
++ u16 x0d[2];
++ u16 vphwc; /* 0x194 Video Picture Horizontal Wait Count */
++ u16 vphs; /* 0x196 Video Picture Horizontal Size */
++ u16 vpvwc; /* 0x198 Video Picture Vertical Wait Count */
++ u16 vpvs; /* 0x19a Video Picture Vertical Size */
++ u16 x0e[2];
++ u16 plhpix; /* 0x1a0 PLHPIX */
++ u16 xs; /* 0x1a2 XStart */
++ u16 xckhw; /* 0x1a4 XCK High Width */
++ u16 x0f;
++ u16 sths; /* 0x1a8 STH Start */
++ u16 vt2; /* 0x1aa Vertical Total */
++ u16 ycksw; /* 0x1ac YCK Start Wait */
++ u16 ysts; /* 0x1ae YST Start */
++ u16 ppols; /* 0x1b0 #PPOL Start */
++ u16 precw; /* 0x1b2 PREC Width */
++ u16 vclkhw; /* 0x1b4 VCLK High Width */
++ u16 oc; /* 0x1b6 Output Control */
++ u16 x10[0x24];
++};
++static char *mode_option __devinitdata;
++
++struct tmiofb_par {
++ u32 pseudo_palette[16];
++
++#ifdef CONFIG_FB_TMIO_ACCELL
++ wait_queue_head_t wait_acc;
++ bool use_polling;
++#endif
++
++ struct tmio_lhccr __iomem *ccr;
++ struct tmio_lcr __iomem *lcr;
++ void __iomem *vram;
++};
++
++/*--------------------------------------------------------------------------*/
++
++static irqreturn_t tmiofb_irq(int irq, void *__info);
++
++/*--------------------------------------------------------------------------*/
++
++
++/*
++ * Turns off the LCD controller and LCD host controller.
++ */
++static int tmiofb_hw_stop(struct platform_device *dev)
++{
++ struct mfd_cell *cell = mfd_get_cell(dev);
++ struct tmio_fb_data *data = cell->driver_data;
++ struct fb_info *info = platform_get_drvdata(dev);
++ struct tmiofb_par *par = info->par;
++ struct tmio_lhccr __iomem *ccr = par->ccr;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++
++ iowrite16(0, &ccr->ugcc);
++ iowrite16(0, &lcr->gm);
++ data->lcd_set_power(dev, 0);
++ iowrite16(0x0010, &lcr->lcdccrc);
++
++ return 0;
++}
++
++/*
++ * Initializes the LCD host controller.
++ */
++static int tmiofb_hw_init(struct platform_device *dev)
++{
++ struct mfd_cell *cell = mfd_get_cell(dev);
++ struct tmio_fb_data *data = cell->driver_data;
++ struct fb_info *info = platform_get_drvdata(dev);
++ struct tmiofb_par *par = info->par;
++ struct tmio_lhccr __iomem *ccr = par->ccr;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++ const struct resource *nlcr = NULL;
++ const struct resource *vram = NULL;
++ unsigned long base;
++ int i;
++
++ for (i = 0; i < cell->num_resources; i++) {
++ if (!strcmp((cell->resources+i)->name, TMIO_FB_CONTROL))
++ nlcr = &cell->resources[i];
++ if (!strcmp((cell->resources+i)->name, TMIO_FB_VRAM))
++ vram = &cell->resources[i];
++ }
++
++ if (nlcr == NULL || vram == NULL)
++ return -EINVAL;
++
++ base = nlcr->start;
++
++ if (info->mode == NULL) {
++ printk(KERN_ERR "tmio-fb: null info->mode\n");
++ info->mode = data->modes;
++ }
++
++ data->lcd_mode(dev, info->mode);
++
++ iowrite16(0x003a, &ccr->ugcc);
++ iowrite16(0x003a, &ccr->gcc);
++ iowrite16(0x3f00, &ccr->usc);
++
++ data->lcd_set_power(dev, 1);
++ mdelay(2);
++
++ iowrite16(0x0000, &ccr->usc);
++ iowrite16(base >> 16, &ccr->baseh);
++ iowrite16(base, &ccr->basel);
++ iowrite16(0x0002, &ccr->cmd); /* base address enable */
++ iowrite16(0x40a8, &ccr->vramrtc); /* VRAMRC, VRAMTC */
++ iowrite16(0x0018, &ccr->vramsac); /* VRAMSTS, VRAMAC */
++ iowrite16(0x0002, &ccr->vrambc);
++ mdelay(2);
++ iowrite16(0x000b, &ccr->vrambc);
++
++ base = vram->start + info->screen_size;
++ iowrite16(base >> 16, &lcr->cfsah);
++ iowrite16(base, &lcr->cfsal);
++ iowrite16(TMIOFB_FIFO_SIZE - 1, &lcr->cfs);
++ iowrite16(1, &lcr->cfc);
++ iowrite16(1, &lcr->bbie);
++ iowrite16(0, &lcr->cfws);
++
++ return 0;
++}
++
++/*
++ * Sets the LCD controller's output resolution and pixel clock
++ */
++static void tmiofb_hw_mode(struct platform_device *dev)
++{
++ struct mfd_cell *cell = mfd_get_cell(dev);
++ struct tmio_fb_data *data = cell->driver_data;
++ struct fb_info *info = platform_get_drvdata(dev);
++ struct fb_videomode *mode = info->mode;
++ struct tmiofb_par *par = info->par;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++ unsigned int i;
++
++ iowrite16(0, &lcr->gm);
++ data->lcd_set_power(dev, 0);
++ iowrite16(0x0010, &lcr->lcdccrc);
++ data->lcd_mode(dev, mode);
++ data->lcd_set_power(dev, 1);
++
++ iowrite16(i = mode->xres * 2, &lcr->vhpn);
++ iowrite16(0, &lcr->gdsah);
++ iowrite16(0, &lcr->gdsal);
++ iowrite16(i >> 16, &lcr->vhpch);
++ iowrite16(i, &lcr->vhpcl);
++ iowrite16(i = 0, &lcr->hss);
++ iowrite16(i += mode->hsync_len, &lcr->hse);
++ iowrite16(i += mode->left_margin, &lcr->hds);
++ iowrite16(i += mode->xres + mode->right_margin, &lcr->ht);
++ iowrite16(mode->xres, &lcr->hnp);
++ iowrite16(i = 0, &lcr->vss);
++ iowrite16(i += mode->vsync_len, &lcr->vse);
++ iowrite16(i += mode->upper_margin, &lcr->vds);
++ iowrite16(i += mode->yres, &lcr->iln);
++ iowrite16(i += mode->lower_margin, &lcr->vt);
++ iowrite16(3, /* RGB565 mode */ &lcr->misc);
++ iowrite16(1, /* VRAM enable */ &lcr->gm);
++ iowrite16(0x4007, &lcr->lcdcc);
++ iowrite16(3, /* sync polarity */ &lcr->sp);
++
++ iowrite16(0x0010, &lcr->lcdccrc);
++ mdelay(5);
++ iowrite16(0x0014, &lcr->lcdccrc); /* STOP_CKP */
++ mdelay(5);
++ iowrite16(0x0015, &lcr->lcdccrc); /* STOP_CKP | SOFT_RESET */
++ iowrite16(0xfffa, &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;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++ if (in_atomic() || par->use_polling) {
++ int i = 0;
++ while (ioread16(&lcr->ccs) > ccs) {
++ udelay(1);
++ i++;
++ if (i > 10000) {
++ printk(KERN_ERR "tmiofb: timeout waiting for %d\n", ccs);
++ return -ETIMEDOUT;
++ }
++ tmiofb_irq(-1, info);
++ }
++ } else {
++ if (!wait_event_interruptible_timeout(par->wait_acc,
++ ioread16(&par->lcr->ccs) <= ccs, 1000)) {
++ printk(KERN_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;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++ int ret;
++
++ ret = tmiofb_acc_wait(info, TMIOFB_FIFO_SIZE - count);
++ if (ret)
++ return ret;
++
++ for (; count; count--, cmd++) {
++ iowrite16(*cmd >> 16, &lcr->cmdh);
++ iowrite16(*cmd, &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 (ioread16(&par->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,
++ };
++
++ 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 = ioread16(&par->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 (copy_from_user(&len, argp, sizeof(u32)))
++ 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 -EINVAL;
++}
++
++/*--------------------------------------------------------------------------*/
++
++/* 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 mfd_cell *cell = mfd_get_cell(to_platform_device(info->device));
++ struct tmio_fb_data *data = cell->driver_data;
++ 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;
++
++ 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);
++ 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 = 82; /* mm */
++ var->width = 60; /* 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;
++
++ if (info->mode == mode)
++ return 0;
++
++ info->mode = mode; */
++ info->fix.line_length = info->mode->xres * 2;
++
++ 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 1;
++}
++
++static 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_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
++};
++
++/*--------------------------------------------------------------------------*/
++
++/*
++ * 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;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++ unsigned int bbisc = ioread16(&lcr->bbisc);
++
++
++ if (unlikely(par->use_polling && irq != -1)) {
++ printk(KERN_INFO "tmiofb: switching to waitq\n");
++ par->use_polling = false;
++ }
++
++ iowrite16(bbisc, &lcr->bbisc);
++
++#ifdef CONFIG_FB_TMIO_ACCELL
++ if (bbisc & 1)
++ wake_up(&par->wait_acc);
++#endif
++
++ return IRQ_HANDLED;
++}
++
++static int tmiofb_probe(struct platform_device *dev)
++{
++ struct mfd_cell *cell = mfd_get_cell(dev);
++ struct tmio_fb_data *data = cell->driver_data;
++ struct resource *ccr = platform_get_resource_byname(dev, IORESOURCE_MEM, TMIO_FB_CONFIG);
++ struct resource *lcr = platform_get_resource_byname(dev, IORESOURCE_MEM, TMIO_FB_CONTROL);
++ struct resource *vram = platform_get_resource_byname(dev, IORESOURCE_MEM, TMIO_FB_VRAM);
++ int irq = platform_get_irq(dev, 0);
++ struct fb_info *info;
++ struct tmiofb_par *par;
++ int retval;
++
++ if (data == NULL) {
++ dev_err(&dev->dev, "NULL platform data!\n");
++ return -EINVAL;
++ }
++
++ info = framebuffer_alloc(sizeof(struct tmiofb_par), &dev->dev);
++
++ if (!info) {
++ retval = -ENOMEM;
++ goto err_framebuffer_alloc;
++ }
++
++ par = info->par;
++ platform_set_drvdata(dev, info);
++
++#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 = vram->end - vram->start + 1;
++ info->fix.type = FB_TYPE_PACKED_PIXELS;
++ info->fix.visual = FB_VISUAL_TRUECOLOR;
++ info->fix.mmio_start = lcr->start;
++ info->fix.mmio_len = lcr->end - lcr->start + 1;
++ 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, ccr->end - ccr->start + 1);
++ 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;
++ }
++
++ par->vram = ioremap(info->fix.smem_start, info->fix.smem_len);
++ if (!par->vram) {
++ retval = -ENOMEM;
++ goto err_ioremap_vram;
++ }
++ info->screen_base = par->vram;
++
++ retval = request_irq(irq, &tmiofb_irq, IRQF_DISABLED,
++ dev->dev.bus_id, info);
++
++ if (retval)
++ goto err_request_irq;
++
++ 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;
++ }
++
++ retval = cell->enable(dev);
++ if (retval)
++ goto err_enable;
++
++ retval = tmiofb_hw_init(dev);
++ if (retval)
++ goto err_hw_init;
++
++/* retval = tmiofb_set_par(info);
++ if (retval)
++ goto err_set_par;*/
++
++ retval = register_framebuffer(info);
++ if (retval < 0)
++ goto err_register_framebuffer;
++
++ printk(KERN_INFO "fb%d: %s frame buffer device\n",
++ info->node, info->fix.id);
++
++ return 0;
++
++err_register_framebuffer:
++/*err_set_par:*/
++ tmiofb_hw_stop(dev);
++err_hw_init:
++ cell->disable(dev);
++err_enable:
++err_find_mode:
++ free_irq(irq, info);
++err_request_irq:
++ iounmap(par->vram);
++err_ioremap_vram:
++ iounmap(par->lcr);
++err_ioremap_lcr:
++ iounmap(par->ccr);
++err_ioremap_ccr:
++ platform_set_drvdata(dev, NULL);
++ framebuffer_release(info);
++err_framebuffer_alloc:
++ return retval;
++}
++
++static int __devexit tmiofb_remove(struct platform_device *dev)
++{
++ 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);
++
++ cell->disable(dev);
++
++ free_irq(irq, info);
++
++ iounmap(par->vram);
++ iounmap(par->lcr);
++ iounmap(par->ccr);
++
++ framebuffer_release(info);
++ platform_set_drvdata(dev, NULL);
++ }
++
++ return 0;
++}
++
++#if 0
++static void tmiofb_dump_regs(struct platform_device *dev)
++{
++ struct fb_info *info = platform_get_drvdata(dev);
++ struct tmiofb_par *par = info->par;
++ struct tmio_lhccr __iomem *ccr = par->ccr;
++ struct tmio_lcr __iomem *lcr = par->lcr;
++
++ printk("lhccr:\n");
++#define CCR_PR(n) printk("\t" #n " = \t%04x\n", ioread16(&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("lcr: \n");
++#define LCR_PR(n) printk("\t" #n " = \t%04x\n", ioread16(&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);
++ struct tmiofb_par *par = info->par;
++ struct mfd_cell *cell = mfd_get_cell(dev);
++ int retval = 0;
++
++ acquire_console_sem();
++
++ fb_set_suspend(info, 1);
++
++ if (info->fbops->fb_sync)
++ info->fbops->fb_sync(info);
++
++
++ printk(KERN_INFO "tmiofb: switching to polling\n");
++ par->use_polling = true;
++ tmiofb_hw_stop(dev);
++
++ if (cell->suspend)
++ retval = cell->suspend(dev);
++
++ release_console_sem();
++
++ return retval;
++}
++
++static int tmiofb_resume(struct platform_device *dev)
++{
++ struct fb_info *info = platform_get_drvdata(dev);
++ struct mfd_cell *cell = mfd_get_cell(dev);
++ int retval;
++
++ acquire_console_sem();
++
++ if (cell->resume) {
++ retval = cell->resume(dev);
++ if (retval)
++ return retval;
++ }
++
++ tmiofb_irq(-1, info);
++
++ tmiofb_hw_init(dev);
++
++ tmiofb_hw_mode(dev);
++
++ fb_set_suspend(info, 0);
++ release_console_sem();
++ return 0;
++}
++#endif
++
++static struct platform_driver tmiofb_driver = {
++ .driver.name = "tmio-fb",
++ .driver.owner = THIS_MODULE,
++ .probe = tmiofb_probe,
++ .remove = __devexit_p(tmiofb_remove),
++#ifdef CONFIG_PM
++ .suspend = tmiofb_suspend,
++ .resume = tmiofb_resume,
++#endif
++};
++
++/*--------------------------------------------------------------------------*/
++
++#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");
+--
+1.5.3.8
+