diff options
author | Roland Stigge <stigge@antcom.de> | 2012-08-26 16:23:21 +0200 |
---|---|---|
committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-09-22 21:18:53 +0000 |
commit | c28c7456ad55c13872adc1d652a53b02086a9330 (patch) | |
tree | a5e289b06b28eadddc1154a3d012c33275a68db9 | |
parent | a481b37a9e18e7d7cacf7ef1080bcdd718ec8e9d (diff) |
video: Remove pnx4008 driver
This patch removes the video driver for pnx4008. The architecture is being
removed via the arm-soc tree.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
-rw-r--r-- | drivers/video/Kconfig | 15 | ||||
-rw-r--r-- | drivers/video/Makefile | 2 | ||||
-rw-r--r-- | drivers/video/pnx4008/Makefile | 7 | ||||
-rw-r--r-- | drivers/video/pnx4008/dum.h | 211 | ||||
-rw-r--r-- | drivers/video/pnx4008/fbcommon.h | 43 | ||||
-rw-r--r-- | drivers/video/pnx4008/pnxrgbfb.c | 198 | ||||
-rw-r--r-- | drivers/video/pnx4008/sdum.c | 861 | ||||
-rw-r--r-- | drivers/video/pnx4008/sdum.h | 136 |
8 files changed, 0 insertions, 1473 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 0217f7415ef5..67c695c0148f 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -2151,21 +2151,6 @@ config FB_UDL mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices. To compile as a module, choose M here: the module name is udlfb. -config FB_PNX4008_DUM - tristate "Display Update Module support on Philips PNX4008 board" - depends on FB && ARCH_PNX4008 - ---help--- - Say Y here to enable support for PNX4008 Display Update Module (DUM) - -config FB_PNX4008_DUM_RGB - tristate "RGB Framebuffer support on Philips PNX4008 board" - depends on FB_PNX4008_DUM - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - ---help--- - Say Y here to enable support for PNX4008 RGB Framebuffer - config FB_IBM_GXT4500 tristate "Framebuffer support for IBM GXT4500P adaptor" depends on FB && PPC diff --git a/drivers/video/Makefile b/drivers/video/Makefile index ee8dafb69e36..4d5789931da1 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -128,8 +128,6 @@ obj-$(CONFIG_FB_S3C) += s3c-fb.o obj-$(CONFIG_FB_S3C2410) += s3c2410fb.o obj-$(CONFIG_FB_FSL_DIU) += fsl-diu-fb.o obj-$(CONFIG_FB_COBALT) += cobalt_lcdfb.o -obj-$(CONFIG_FB_PNX4008_DUM) += pnx4008/ -obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o obj-$(CONFIG_FB_PS3) += ps3fb.o obj-$(CONFIG_FB_SM501) += sm501fb.o diff --git a/drivers/video/pnx4008/Makefile b/drivers/video/pnx4008/Makefile deleted file mode 100644 index 636aaccf01fd..000000000000 --- a/drivers/video/pnx4008/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the new PNX4008 framebuffer device driver -# - -obj-$(CONFIG_FB_PNX4008_DUM) += sdum.o -obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnxrgbfb.o - diff --git a/drivers/video/pnx4008/dum.h b/drivers/video/pnx4008/dum.h deleted file mode 100644 index 1234d4375d92..000000000000 --- a/drivers/video/pnx4008/dum.h +++ /dev/null @@ -1,211 +0,0 @@ -/* - * linux/drivers/video/pnx4008/dum.h - * - * Internal header for SDUM - * - * 2005 (c) Koninklijke Philips N.V. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#ifndef __PNX008_DUM_H__ -#define __PNX008_DUM_H__ - -#include <mach/platform.h> - -#define PNX4008_DUMCONF_VA_BASE IO_ADDRESS(PNX4008_DUMCONF_BASE) -#define PNX4008_DUM_MAIN_VA_BASE IO_ADDRESS(PNX4008_DUM_MAINCFG_BASE) - -/* DUM CFG ADDRESSES */ -#define DUM_CH_BASE_ADR (PNX4008_DUMCONF_VA_BASE + 0x00) -#define DUM_CH_MIN_ADR (PNX4008_DUMCONF_VA_BASE + 0x00) -#define DUM_CH_MAX_ADR (PNX4008_DUMCONF_VA_BASE + 0x04) -#define DUM_CH_CONF_ADR (PNX4008_DUMCONF_VA_BASE + 0x08) -#define DUM_CH_STAT_ADR (PNX4008_DUMCONF_VA_BASE + 0x0C) -#define DUM_CH_CTRL_ADR (PNX4008_DUMCONF_VA_BASE + 0x10) - -#define CH_MARG (0x100 / sizeof(u32)) -#define DUM_CH_MIN(i) (*((volatile u32 *)DUM_CH_MIN_ADR + (i) * CH_MARG)) -#define DUM_CH_MAX(i) (*((volatile u32 *)DUM_CH_MAX_ADR + (i) * CH_MARG)) -#define DUM_CH_CONF(i) (*((volatile u32 *)DUM_CH_CONF_ADR + (i) * CH_MARG)) -#define DUM_CH_STAT(i) (*((volatile u32 *)DUM_CH_STAT_ADR + (i) * CH_MARG)) -#define DUM_CH_CTRL(i) (*((volatile u32 *)DUM_CH_CTRL_ADR + (i) * CH_MARG)) - -#define DUM_CONF_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x00) -#define DUM_CTRL_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x04) -#define DUM_STAT_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x08) -#define DUM_DECODE_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x0C) -#define DUM_COM_BASE_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x10) -#define DUM_SYNC_C_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x14) -#define DUM_CLK_DIV_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x18) -#define DUM_DIRTY_LOW_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x20) -#define DUM_DIRTY_HIGH_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x24) -#define DUM_FORMAT_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x28) -#define DUM_WTCFG1_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x30) -#define DUM_RTCFG1_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x34) -#define DUM_WTCFG2_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x38) -#define DUM_RTCFG2_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x3C) -#define DUM_TCFG_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x40) -#define DUM_OUTP_FORMAT1_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x44) -#define DUM_OUTP_FORMAT2_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x48) -#define DUM_SYNC_MODE_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x4C) -#define DUM_SYNC_OUT_C_ADR (PNX4008_DUM_MAIN_VA_BASE + 0x50) - -#define DUM_CONF (*(volatile u32 *)(DUM_CONF_ADR)) -#define DUM_CTRL (*(volatile u32 *)(DUM_CTRL_ADR)) -#define DUM_STAT (*(volatile u32 *)(DUM_STAT_ADR)) -#define DUM_DECODE (*(volatile u32 *)(DUM_DECODE_ADR)) -#define DUM_COM_BASE (*(volatile u32 *)(DUM_COM_BASE_ADR)) -#define DUM_SYNC_C (*(volatile u32 *)(DUM_SYNC_C_ADR)) -#define DUM_CLK_DIV (*(volatile u32 *)(DUM_CLK_DIV_ADR)) -#define DUM_DIRTY_LOW (*(volatile u32 *)(DUM_DIRTY_LOW_ADR)) -#define DUM_DIRTY_HIGH (*(volatile u32 *)(DUM_DIRTY_HIGH_ADR)) -#define DUM_FORMAT (*(volatile u32 *)(DUM_FORMAT_ADR)) -#define DUM_WTCFG1 (*(volatile u32 *)(DUM_WTCFG1_ADR)) -#define DUM_RTCFG1 (*(volatile u32 *)(DUM_RTCFG1_ADR)) -#define DUM_WTCFG2 (*(volatile u32 *)(DUM_WTCFG2_ADR)) -#define DUM_RTCFG2 (*(volatile u32 *)(DUM_RTCFG2_ADR)) -#define DUM_TCFG (*(volatile u32 *)(DUM_TCFG_ADR)) -#define DUM_OUTP_FORMAT1 (*(volatile u32 *)(DUM_OUTP_FORMAT1_ADR)) -#define DUM_OUTP_FORMAT2 (*(volatile u32 *)(DUM_OUTP_FORMAT2_ADR)) -#define DUM_SYNC_MODE (*(volatile u32 *)(DUM_SYNC_MODE_ADR)) -#define DUM_SYNC_OUT_C (*(volatile u32 *)(DUM_SYNC_OUT_C_ADR)) - -/* DUM SLAVE ADDRESSES */ -#define DUM_SLAVE_WRITE_ADR (PNX4008_DUM_MAINCFG_BASE + 0x0000000) -#define DUM_SLAVE_READ1_I_ADR (PNX4008_DUM_MAINCFG_BASE + 0x1000000) -#define DUM_SLAVE_READ1_R_ADR (PNX4008_DUM_MAINCFG_BASE + 0x1000004) -#define DUM_SLAVE_READ2_I_ADR (PNX4008_DUM_MAINCFG_BASE + 0x1000008) -#define DUM_SLAVE_READ2_R_ADR (PNX4008_DUM_MAINCFG_BASE + 0x100000C) - -#define DUM_SLAVE_WRITE_W ((volatile u32 *)(DUM_SLAVE_WRITE_ADR)) -#define DUM_SLAVE_WRITE_HW ((volatile u16 *)(DUM_SLAVE_WRITE_ADR)) -#define DUM_SLAVE_READ1_I ((volatile u8 *)(DUM_SLAVE_READ1_I_ADR)) -#define DUM_SLAVE_READ1_R ((volatile u16 *)(DUM_SLAVE_READ1_R_ADR)) -#define DUM_SLAVE_READ2_I ((volatile u8 *)(DUM_SLAVE_READ2_I_ADR)) -#define DUM_SLAVE_READ2_R ((volatile u16 *)(DUM_SLAVE_READ2_R_ADR)) - -/* Sony display register addresses */ -#define DISP_0_REG (0x00) -#define DISP_1_REG (0x01) -#define DISP_CAL_REG (0x20) -#define DISP_ID_REG (0x2A) -#define DISP_XMIN_L_REG (0x30) -#define DISP_XMIN_H_REG (0x31) -#define DISP_YMIN_REG (0x32) -#define DISP_XMAX_L_REG (0x34) -#define DISP_XMAX_H_REG (0x35) -#define DISP_YMAX_REG (0x36) -#define DISP_SYNC_EN_REG (0x38) -#define DISP_SYNC_RISE_L_REG (0x3C) -#define DISP_SYNC_RISE_H_REG (0x3D) -#define DISP_SYNC_FALL_L_REG (0x3E) -#define DISP_SYNC_FALL_H_REG (0x3F) -#define DISP_PIXEL_REG (0x0B) -#define DISP_DUMMY1_REG (0x28) -#define DISP_DUMMY2_REG (0x29) -#define DISP_TIMING_REG (0x98) -#define DISP_DUMP_REG (0x99) - -/* Sony display constants */ -#define SONY_ID1 (0x22) -#define SONY_ID2 (0x23) - -/* Philips display register addresses */ -#define PH_DISP_ORIENT_REG (0x003) -#define PH_DISP_YPOINT_REG (0x200) -#define PH_DISP_XPOINT_REG (0x201) -#define PH_DISP_PIXEL_REG (0x202) -#define PH_DISP_YMIN_REG (0x406) -#define PH_DISP_YMAX_REG (0x407) -#define PH_DISP_XMIN_REG (0x408) -#define PH_DISP_XMAX_REG (0x409) - -/* Misc constants */ -#define NO_VALID_DISPLAY_FOUND (0) -#define DISPLAY2_IS_NOT_CONNECTED (0) - -/* register values */ -#define V_BAC_ENABLE (BIT(0)) -#define V_BAC_DISABLE_IDLE (BIT(1)) -#define V_BAC_DISABLE_TRIG (BIT(2)) -#define V_DUM_RESET (BIT(3)) -#define V_MUX_RESET (BIT(4)) -#define BAC_ENABLED (BIT(0)) -#define BAC_DISABLED 0 - -/* Sony LCD commands */ -#define V_LCD_STANDBY_OFF ((BIT(25)) | (0 << 16) | DISP_0_REG) -#define V_LCD_USE_9BIT_BUS ((BIT(25)) | (2 << 16) | DISP_1_REG) -#define V_LCD_SYNC_RISE_L ((BIT(25)) | (0 << 16) | DISP_SYNC_RISE_L_REG) -#define V_LCD_SYNC_RISE_H ((BIT(25)) | (0 << 16) | DISP_SYNC_RISE_H_REG) -#define V_LCD_SYNC_FALL_L ((BIT(25)) | (160 << 16) | DISP_SYNC_FALL_L_REG) -#define V_LCD_SYNC_FALL_H ((BIT(25)) | (0 << 16) | DISP_SYNC_FALL_H_REG) -#define V_LCD_SYNC_ENABLE ((BIT(25)) | (128 << 16) | DISP_SYNC_EN_REG) -#define V_LCD_DISPLAY_ON ((BIT(25)) | (64 << 16) | DISP_0_REG) - -enum { - PAD_NONE, - PAD_512, - PAD_1024 -}; - -enum { - RGB888, - RGB666, - RGB565, - BGR565, - ARGB1555, - ABGR1555, - ARGB4444, - ABGR4444 -}; - -struct dum_setup { - int sync_neg_edge; - int round_robin; - int mux_int; - int synced_dirty_flag_int; - int dirty_flag_int; - int error_int; - int pf_empty_int; - int sf_empty_int; - int bac_dis_int; - u32 dirty_base_adr; - u32 command_base_adr; - u32 sync_clk_div; - int sync_output; - u32 sync_restart_val; - u32 set_sync_high; - u32 set_sync_low; -}; - -struct dum_ch_setup { - int disp_no; - u32 xmin; - u32 ymin; - u32 xmax; - u32 ymax; - int xmirror; - int ymirror; - int rotate; - u32 minadr; - u32 maxadr; - u32 dirtybuffer; - int pad; - int format; - int hwdirty; - int slave_trans; -}; - -struct disp_window { - u32 xmin_l; - u32 xmin_h; - u32 ymin; - u32 xmax_l; - u32 xmax_h; - u32 ymax; -}; - -#endif /* #ifndef __PNX008_DUM_H__ */ diff --git a/drivers/video/pnx4008/fbcommon.h b/drivers/video/pnx4008/fbcommon.h deleted file mode 100644 index 4ebc87dafafb..000000000000 --- a/drivers/video/pnx4008/fbcommon.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Copyright (C) 2005 Philips Semiconductors - * - * 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, 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA, or http://www.gnu.org/licenses/gpl.html -*/ - -#define QCIF_W (176) -#define QCIF_H (144) - -#define CIF_W (352) -#define CIF_H (288) - -#define LCD_X_RES 208 -#define LCD_Y_RES 320 -#define LCD_X_PAD 256 -#define LCD_BBP 4 /* Bytes Per Pixel */ - -#define DISP_MAX_X_SIZE (320) -#define DISP_MAX_Y_SIZE (208) - -#define RETURNVAL_BASE (0x400) - -enum fb_ioctl_returntype { - ENORESOURCESLEFT = RETURNVAL_BASE, - ERESOURCESNOTFREED, - EPROCNOTOWNER, - EFBNOTOWNER, - ECOPYFAILED, - EIOREMAPFAILED, -}; diff --git a/drivers/video/pnx4008/pnxrgbfb.c b/drivers/video/pnx4008/pnxrgbfb.c deleted file mode 100644 index 6d30428e9cf9..000000000000 --- a/drivers/video/pnx4008/pnxrgbfb.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * drivers/video/pnx4008/pnxrgbfb.c - * - * PNX4008's framebuffer support - * - * Author: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com> - * Based on Philips Semiconductors's code - * - * Copyrght (c) 2005 MontaVista Software, Inc. - * Copyright (c) 2005 Philips Semiconductors - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/platform_device.h> - -#include "sdum.h" -#include "fbcommon.h" - -static u32 colreg[16]; - -static struct fb_var_screeninfo rgbfb_var __initdata = { - .xres = LCD_X_RES, - .yres = LCD_Y_RES, - .xres_virtual = LCD_X_RES, - .yres_virtual = LCD_Y_RES, - .bits_per_pixel = 32, - .red.offset = 16, - .red.length = 8, - .green.offset = 8, - .green.length = 8, - .blue.offset = 0, - .blue.length = 8, - .left_margin = 0, - .right_margin = 0, - .upper_margin = 0, - .lower_margin = 0, - .vmode = FB_VMODE_NONINTERLACED, -}; -static struct fb_fix_screeninfo rgbfb_fix __initdata = { - .id = "RGBFB", - .line_length = LCD_X_RES * LCD_BBP, - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, - .ypanstep = 0, - .ywrapstep = 0, - .accel = FB_ACCEL_NONE, -}; - -static int channel_owned; - -static int no_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - return 0; -} - -static int rgbfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, - u_int transp, struct fb_info *info) -{ - if (regno > 15) - return 1; - - colreg[regno] = ((red & 0xff00) << 8) | (green & 0xff00) | - ((blue & 0xff00) >> 8); - return 0; -} - -static int rgbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - return pnx4008_sdum_mmap(info, vma, NULL); -} - -static struct fb_ops rgbfb_ops = { - .fb_mmap = rgbfb_mmap, - .fb_setcolreg = rgbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -static int rgbfb_remove(struct platform_device *pdev) -{ - struct fb_info *info = platform_get_drvdata(pdev); - - if (info) { - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - platform_set_drvdata(pdev, NULL); - } - - pnx4008_free_dum_channel(channel_owned, pdev->id); - pnx4008_set_dum_exit_notification(pdev->id); - - return 0; -} - -static int __devinit rgbfb_probe(struct platform_device *pdev) -{ - struct fb_info *info; - struct dumchannel_uf chan_uf; - int ret; - char *option; - - info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev); - if (!info) { - ret = -ENOMEM; - goto err; - } - - pnx4008_get_fb_addresses(FB_TYPE_RGB, (void **)&info->screen_base, - (dma_addr_t *) &rgbfb_fix.smem_start, - &rgbfb_fix.smem_len); - - if ((ret = pnx4008_alloc_dum_channel(pdev->id)) < 0) - goto err0; - else { - channel_owned = ret; - chan_uf.channelnr = channel_owned; - chan_uf.dirty = (u32 *) NULL; - chan_uf.source = (u32 *) rgbfb_fix.smem_start; - chan_uf.x_offset = 0; - chan_uf.y_offset = 0; - chan_uf.width = LCD_X_RES; - chan_uf.height = LCD_Y_RES; - - if ((ret = pnx4008_put_dum_channel_uf(chan_uf, pdev->id))< 0) - goto err1; - - if ((ret = - pnx4008_set_dum_channel_sync(channel_owned, CONF_SYNC_ON, - pdev->id)) < 0) - goto err1; - - if ((ret = - pnx4008_set_dum_channel_dirty_detect(channel_owned, - CONF_DIRTYDETECTION_ON, - pdev->id)) < 0) - goto err1; - } - - if (!fb_get_options("pnxrgbfb", &option) && option && - !strcmp(option, "nocursor")) - rgbfb_ops.fb_cursor = no_cursor; - - info->node = -1; - info->flags = FBINFO_FLAG_DEFAULT; - info->fbops = &rgbfb_ops; - info->fix = rgbfb_fix; - info->var = rgbfb_var; - info->screen_size = rgbfb_fix.smem_len; - info->pseudo_palette = info->par; - info->par = NULL; - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret < 0) - goto err1; - - ret = register_framebuffer(info); - if (ret < 0) - goto err2; - platform_set_drvdata(pdev, info); - - return 0; - -err2: - fb_dealloc_cmap(&info->cmap); -err1: - pnx4008_free_dum_channel(channel_owned, pdev->id); -err0: - framebuffer_release(info); -err: - return ret; -} - -static struct platform_driver rgbfb_driver = { - .driver = { - .name = "pnx4008-rgbfb", - }, - .probe = rgbfb_probe, - .remove = rgbfb_remove, -}; - -module_platform_driver(rgbfb_driver); - -MODULE_LICENSE("GPL"); diff --git a/drivers/video/pnx4008/sdum.c b/drivers/video/pnx4008/sdum.c deleted file mode 100644 index c5c741452cac..000000000000 --- a/drivers/video/pnx4008/sdum.c +++ /dev/null @@ -1,861 +0,0 @@ -/* - * drivers/video/pnx4008/sdum.c - * - * Display Update Master support - * - * Authors: Grigory Tolstolytkin <gtolstolytkin@ru.mvista.com> - * Vitaly Wool <vitalywool@gmail.com> - * Based on Philips Semiconductors's code - * - * Copyrght (c) 2005-2006 MontaVista Software, Inc. - * Copyright (c) 2005 Philips Semiconductors - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/dma-mapping.h> -#include <linux/clk.h> -#include <linux/gfp.h> -#include <asm/uaccess.h> -#include <asm/gpio.h> - -#include "sdum.h" -#include "fbcommon.h" -#include "dum.h" - -/* Framebuffers we have */ - -static struct pnx4008_fb_addr { - int fb_type; - long addr_offset; - long fb_length; -} fb_addr[] = { - [0] = { - FB_TYPE_YUV, 0, 0xB0000 - }, - [1] = { - FB_TYPE_RGB, 0xB0000, 0x50000 - }, -}; - -static struct dum_data { - u32 lcd_phys_start; - u32 lcd_virt_start; - u32 slave_phys_base; - u32 *slave_virt_base; - int fb_owning_channel[MAX_DUM_CHANNELS]; - struct dumchannel_uf chan_uf_store[MAX_DUM_CHANNELS]; -} dum_data; - -/* Different local helper functions */ - -static u32 nof_pixels_dx(struct dum_ch_setup *ch_setup) -{ - return (ch_setup->xmax - ch_setup->xmin + 1); -} - -static u32 nof_pixels_dy(struct dum_ch_setup *ch_setup) -{ - return (ch_setup->ymax - ch_setup->ymin + 1); -} - -static u32 nof_pixels_dxy(struct dum_ch_setup *ch_setup) -{ - return (nof_pixels_dx(ch_setup) * nof_pixels_dy(ch_setup)); -} - -static u32 nof_bytes(struct dum_ch_setup *ch_setup) -{ - u32 r = nof_pixels_dxy(ch_setup); - switch (ch_setup->format) { - case RGB888: - case RGB666: - r *= 4; - break; - - default: - r *= 2; - break; - } - return r; -} - -static u32 build_command(int disp_no, u32 reg, u32 val) -{ - return ((disp_no << 26) | BIT(25) | (val << 16) | (disp_no << 10) | - (reg << 0)); -} - -static u32 build_double_index(int disp_no, u32 val) -{ - return ((disp_no << 26) | (val << 16) | (disp_no << 10) | (val << 0)); -} - -static void build_disp_window(struct dum_ch_setup * ch_setup, struct disp_window * dw) -{ - dw->ymin = ch_setup->ymin; - dw->ymax = ch_setup->ymax; - dw->xmin_l = ch_setup->xmin & 0xFF; - dw->xmin_h = (ch_setup->xmin & BIT(8)) >> 8; - dw->xmax_l = ch_setup->xmax & 0xFF; - dw->xmax_h = (ch_setup->xmax & BIT(8)) >> 8; -} - -static int put_channel(struct dumchannel chan) -{ - int i = chan.channelnr; - - if (i < 0 || i > MAX_DUM_CHANNELS) - return -EINVAL; - else { - DUM_CH_MIN(i) = chan.dum_ch_min; - DUM_CH_MAX(i) = chan.dum_ch_max; - DUM_CH_CONF(i) = chan.dum_ch_conf; - DUM_CH_CTRL(i) = chan.dum_ch_ctrl; - } - - return 0; -} - -static void clear_channel(int channr) -{ - struct dumchannel chan; - - chan.channelnr = channr; - chan.dum_ch_min = 0; - chan.dum_ch_max = 0; - chan.dum_ch_conf = 0; - chan.dum_ch_ctrl = 0; - - put_channel(chan); -} - -static int put_cmd_string(struct cmdstring cmds) -{ - u16 *cmd_str_virtaddr; - u32 *cmd_ptr0_virtaddr; - u32 cmd_str_physaddr; - - int i = cmds.channelnr; - - if (i < 0 || i > MAX_DUM_CHANNELS) - return -EINVAL; - else if ((cmd_ptr0_virtaddr = - (int *)ioremap_nocache(DUM_COM_BASE, - sizeof(int) * MAX_DUM_CHANNELS)) == - NULL) - return -EIOREMAPFAILED; - else { - cmd_str_physaddr = ioread32(&cmd_ptr0_virtaddr[cmds.channelnr]); - if ((cmd_str_virtaddr = - (u16 *) ioremap_nocache(cmd_str_physaddr, - sizeof(cmds))) == NULL) { - iounmap(cmd_ptr0_virtaddr); - return -EIOREMAPFAILED; - } else { - int t; - for (t = 0; t < 8; t++) - iowrite16(*((u16 *)&cmds.prestringlen + t), - cmd_str_virtaddr + t); - - for (t = 0; t < cmds.prestringlen / 2; t++) - iowrite16(*((u16 *)&cmds.precmd + t), - cmd_str_virtaddr + t + 8); - - for (t = 0; t < cmds.poststringlen / 2; t++) - iowrite16(*((u16 *)&cmds.postcmd + t), - cmd_str_virtaddr + t + 8 + - cmds.prestringlen / 2); - - iounmap(cmd_ptr0_virtaddr); - iounmap(cmd_str_virtaddr); - } - } - - return 0; -} - -static u32 dum_ch_setup(int ch_no, struct dum_ch_setup * ch_setup) -{ - struct cmdstring cmds_c; - struct cmdstring *cmds = &cmds_c; - struct disp_window dw; - int standard; - u32 orientation = 0; - struct dumchannel chan = { 0 }; - int ret; - - if ((ch_setup->xmirror) || (ch_setup->ymirror) || (ch_setup->rotate)) { - standard = 0; - - orientation = BIT(1); /* always set 9-bit-bus */ - if (ch_setup->xmirror) - orientation |= BIT(4); - if (ch_setup->ymirror) - orientation |= BIT(3); - if (ch_setup->rotate) - orientation |= BIT(0); - } else - standard = 1; - - cmds->channelnr = ch_no; - - /* build command string header */ - if (standard) { - cmds->prestringlen = 32; - cmds->poststringlen = 0; - } else { - cmds->prestringlen = 48; - cmds->poststringlen = 16; - } - - cmds->format = - (u16) ((ch_setup->disp_no << 4) | (BIT(3)) | (ch_setup->format)); - cmds->reserved = 0x0; - cmds->startaddr_low = (ch_setup->minadr & 0xFFFF); - cmds->startaddr_high = (ch_setup->minadr >> 16); - - if ((ch_setup->minadr == 0) && (ch_setup->maxadr == 0) - && (ch_setup->xmin == 0) - && (ch_setup->ymin == 0) && (ch_setup->xmax == 0) - && (ch_setup->ymax == 0)) { - cmds->pixdatlen_low = 0; - cmds->pixdatlen_high = 0; - } else { - u32 nbytes = nof_bytes(ch_setup); - cmds->pixdatlen_low = (nbytes & 0xFFFF); - cmds->pixdatlen_high = (nbytes >> 16); - } - - if (ch_setup->slave_trans) - cmds->pixdatlen_high |= BIT(15); - - /* build pre-string */ - build_disp_window(ch_setup, &dw); - - if (standard) { - cmds->precmd[0] = - build_command(ch_setup->disp_no, DISP_XMIN_L_REG, 0x99); - cmds->precmd[1] = - build_command(ch_setup->disp_no, DISP_XMIN_L_REG, - dw.xmin_l); - cmds->precmd[2] = - build_command(ch_setup->disp_no, DISP_XMIN_H_REG, - dw.xmin_h); - cmds->precmd[3] = - build_command(ch_setup->disp_no, DISP_YMIN_REG, dw.ymin); - cmds->precmd[4] = - build_command(ch_setup->disp_no, DISP_XMAX_L_REG, - dw.xmax_l); - cmds->precmd[5] = - build_command(ch_setup->disp_no, DISP_XMAX_H_REG, - dw.xmax_h); - cmds->precmd[6] = - build_command(ch_setup->disp_no, DISP_YMAX_REG, dw.ymax); - cmds->precmd[7] = - build_double_index(ch_setup->disp_no, DISP_PIXEL_REG); - } else { - if (dw.xmin_l == ch_no) - cmds->precmd[0] = - build_command(ch_setup->disp_no, DISP_XMIN_L_REG, - 0x99); - else - cmds->precmd[0] = - build_command(ch_setup->disp_no, DISP_XMIN_L_REG, - ch_no); - - cmds->precmd[1] = - build_command(ch_setup->disp_no, DISP_XMIN_L_REG, - dw.xmin_l); - cmds->precmd[2] = - build_command(ch_setup->disp_no, DISP_XMIN_H_REG, - dw.xmin_h); - cmds->precmd[3] = - build_command(ch_setup->disp_no, DISP_YMIN_REG, dw.ymin); - cmds->precmd[4] = - build_command(ch_setup->disp_no, DISP_XMAX_L_REG, - dw.xmax_l); - cmds->precmd[5] = - build_command(ch_setup->disp_no, DISP_XMAX_H_REG, - dw.xmax_h); - cmds->precmd[6] = - build_command(ch_setup->disp_no, DISP_YMAX_REG, dw.ymax); - cmds->precmd[7] = - build_command(ch_setup->disp_no, DISP_1_REG, orientation); - cmds->precmd[8] = - build_double_index(ch_setup->disp_no, DISP_PIXEL_REG); - cmds->precmd[9] = - build_double_index(ch_setup->disp_no, DISP_PIXEL_REG); - cmds->precmd[0xA] = - build_double_index(ch_setup->disp_no, DISP_PIXEL_REG); - cmds->precmd[0xB] = - build_double_index(ch_setup->disp_no, DISP_PIXEL_REG); - cmds->postcmd[0] = - build_command(ch_setup->disp_no, DISP_1_REG, BIT(1)); - cmds->postcmd[1] = - build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 1); - cmds->postcmd[2] = - build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 2); - cmds->postcmd[3] = - build_command(ch_setup->disp_no, DISP_DUMMY1_REG, 3); - } - - if ((ret = put_cmd_string(cmds_c)) != 0) { - return ret; - } - - chan.channelnr = cmds->channelnr; - chan.dum_ch_min = ch_setup->dirtybuffer + ch_setup->minadr; - chan.dum_ch_max = ch_setup->dirtybuffer + ch_setup->maxadr; - chan.dum_ch_conf = 0x002; - chan.dum_ch_ctrl = 0x04; - - put_channel(chan); - - return 0; -} - -static u32 display_open(int ch_no, int auto_update, u32 * dirty_buffer, - u32 * frame_buffer, u32 xpos, u32 ypos, u32 w, u32 h) -{ - - struct dum_ch_setup k; - int ret; - - /* keep width & height within display area */ - if ((xpos + w) > DISP_MAX_X_SIZE) - w = DISP_MAX_X_SIZE - xpos; - - if ((ypos + h) > DISP_MAX_Y_SIZE) - h = DISP_MAX_Y_SIZE - ypos; - - /* assume 1 display only */ - k.disp_no = 0; - k.xmin = xpos; - k.ymin = ypos; - k.xmax = xpos + (w - 1); - k.ymax = ypos + (h - 1); - - /* adjust min and max values if necessary */ - if (k.xmin > DISP_MAX_X_SIZE - 1) - k.xmin = DISP_MAX_X_SIZE - 1; - if (k.ymin > DISP_MAX_Y_SIZE - 1) - k.ymin = DISP_MAX_Y_SIZE - 1; - - if (k.xmax > DISP_MAX_X_SIZE - 1) - k.xmax = DISP_MAX_X_SIZE - 1; - if (k.ymax > DISP_MAX_Y_SIZE - 1) - k.ymax = DISP_MAX_Y_SIZE - 1; - - k.xmirror = 0; - k.ymirror = 0; - k.rotate = 0; - k.minadr = (u32) frame_buffer; - k.maxadr = (u32) frame_buffer + (((w - 1) << 10) | ((h << 2) - 2)); - k.pad = PAD_1024; - k.dirtybuffer = (u32) dirty_buffer; - k.format = RGB888; - k.hwdirty = 0; - k.slave_trans = 0; - - ret = dum_ch_setup(ch_no, &k); - - return ret; -} - -static void lcd_reset(void) -{ - u32 *dum_pio_base = (u32 *)IO_ADDRESS(PNX4008_PIO_BASE); - - udelay(1); - iowrite32(BIT(19), &dum_pio_base[2]); - udelay(1); - iowrite32(BIT(19), &dum_pio_base[1]); - udelay(1); -} - -static int dum_init(struct platform_device *pdev) -{ - struct clk *clk; - - /* enable DUM clock */ - clk = clk_get(&pdev->dev, "dum_ck"); - if (IS_ERR(clk)) { - printk(KERN_ERR "pnx4008_dum: Unable to access DUM clock\n"); - return PTR_ERR(clk); - } - - clk_set_rate(clk, 1); - clk_put(clk); - - DUM_CTRL = V_DUM_RESET; - - /* set priority to "round-robin". All other params to "false" */ - DUM_CONF = BIT(9); - - /* Display 1 */ - DUM_WTCFG1 = PNX4008_DUM_WT_CFG; - DUM_RTCFG1 = PNX4008_DUM_RT_CFG; - DUM_TCFG = PNX4008_DUM_T_CFG; - - return 0; -} - -static void dum_chan_init(void) -{ - int i = 0, ch = 0; - u32 *cmdptrs; - u32 *cmdstrings; - - DUM_COM_BASE = - CMDSTRING_BASEADDR + BYTES_PER_CMDSTRING * NR_OF_CMDSTRINGS; - - if ((cmdptrs = - (u32 *) ioremap_nocache(DUM_COM_BASE, - sizeof(u32) * NR_OF_CMDSTRINGS)) == NULL) - return; - - for (ch = 0; ch < NR_OF_CMDSTRINGS; ch++) - iowrite32(CMDSTRING_BASEADDR + BYTES_PER_CMDSTRING * ch, - cmdptrs + ch); - - for (ch = 0; ch < MAX_DUM_CHANNELS; ch++) - clear_channel(ch); - - /* Clear the cmdstrings */ - cmdstrings = - (u32 *)ioremap_nocache(*cmdptrs, - BYTES_PER_CMDSTRING * NR_OF_CMDSTRINGS); - - if (!cmdstrings) - goto out; - - for (i = 0; i < NR_OF_CMDSTRINGS * BYTES_PER_CMDSTRING / sizeof(u32); - i++) - iowrite32(0, cmdstrings + i); - - iounmap((u32 *)cmdstrings); - -out: - iounmap((u32 *)cmdptrs); -} - -static void lcd_init(void) -{ - lcd_reset(); - - DUM_OUTP_FORMAT1 = 0; /* RGB666 */ - - udelay(1); - iowrite32(V_LCD_STANDBY_OFF, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_USE_9BIT_BUS, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_SYNC_RISE_L, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_SYNC_RISE_H, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_SYNC_FALL_L, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_SYNC_FALL_H, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_SYNC_ENABLE, dum_data.slave_virt_base); - udelay(1); - iowrite32(V_LCD_DISPLAY_ON, dum_data.slave_virt_base); - udelay(1); -} - -/* Interface exported to framebuffer drivers */ - -int pnx4008_get_fb_addresses(int fb_type, void **virt_addr, - dma_addr_t *phys_addr, int *fb_length) -{ - int i; - int ret = -1; - for (i = 0; i < ARRAY_SIZE(fb_addr); i++) - if (fb_addr[i].fb_type == fb_type) { - *virt_addr = (void *)(dum_data.lcd_virt_start + - fb_addr[i].addr_offset); - *phys_addr = - dum_data.lcd_phys_start + fb_addr[i].addr_offset; - *fb_length = fb_addr[i].fb_length; - ret = 0; - break; - } - - return ret; -} - -EXPORT_SYMBOL(pnx4008_get_fb_addresses); - -int pnx4008_alloc_dum_channel(int dev_id) -{ - int i = 0; - - while ((i < MAX_DUM_CHANNELS) && (dum_data.fb_owning_channel[i] != -1)) - i++; - - if (i == MAX_DUM_CHANNELS) - return -ENORESOURCESLEFT; - else { - dum_data.fb_owning_channel[i] = dev_id; - return i; - } -} - -EXPORT_SYMBOL(pnx4008_alloc_dum_channel); - -int pnx4008_free_dum_channel(int channr, int dev_id) -{ - if (channr < 0 || channr > MAX_DUM_CHANNELS) - return -EINVAL; - else if (dum_data.fb_owning_channel[channr] != dev_id) - return -EFBNOTOWNER; - else { - clear_channel(channr); - dum_data.fb_owning_channel[channr] = -1; - } - - return 0; -} - -EXPORT_SYMBOL(pnx4008_free_dum_channel); - -int pnx4008_put_dum_channel_uf(struct dumchannel_uf chan_uf, int dev_id) -{ - int i = chan_uf.channelnr; - int ret; - - if (i < 0 || i > MAX_DUM_CHANNELS) - return -EINVAL; - else if (dum_data.fb_owning_channel[i] != dev_id) - return -EFBNOTOWNER; - else if ((ret = - display_open(chan_uf.channelnr, 0, chan_uf.dirty, - chan_uf.source, chan_uf.y_offset, - chan_uf.x_offset, chan_uf.height, - chan_uf.width)) != 0) - return ret; - else { - dum_data.chan_uf_store[i].dirty = chan_uf.dirty; - dum_data.chan_uf_store[i].source = chan_uf.source; - dum_data.chan_uf_store[i].x_offset = chan_uf.x_offset; - dum_data.chan_uf_store[i].y_offset = chan_uf.y_offset; - dum_data.chan_uf_store[i].width = chan_uf.width; - dum_data.chan_uf_store[i].height = chan_uf.height; - } - - return 0; -} |