diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/video/geode/video_cs5530.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/video/geode/video_cs5530.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/ANDROID_3.4.5/drivers/video/geode/video_cs5530.c b/ANDROID_3.4.5/drivers/video/geode/video_cs5530.c deleted file mode 100644 index 649c3943..00000000 --- a/ANDROID_3.4.5/drivers/video/geode/video_cs5530.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - * drivers/video/geode/video_cs5530.c - * -- CS5530 video device - * - * Copyright (C) 2005 Arcom Control Systems Ltd. - * - * Based on AMD's original 2.4 driver: - * Copyright (C) 2004 Advanced Micro Devices, Inc. - * - * 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. - */ -#include <linux/fb.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <asm/delay.h> - -#include "geodefb.h" -#include "video_cs5530.h" - -/* - * CS5530 PLL table. This maps pixclocks to the appropriate PLL register - * value. - */ -struct cs5530_pll_entry { - long pixclock; /* ps */ - u32 pll_value; -}; - -static const struct cs5530_pll_entry cs5530_pll_table[] = { - { 39721, 0x31C45801, }, /* 25.1750 MHz */ - { 35308, 0x20E36802, }, /* 28.3220 */ - { 31746, 0x33915801, }, /* 31.5000 */ - { 27777, 0x31EC4801, }, /* 36.0000 */ - { 26666, 0x21E22801, }, /* 37.5000 */ - { 25000, 0x33088801, }, /* 40.0000 */ - { 22271, 0x33E22801, }, /* 44.9000 */ - { 20202, 0x336C4801, }, /* 49.5000 */ - { 20000, 0x23088801, }, /* 50.0000 */ - { 19860, 0x23088801, }, /* 50.3500 */ - { 18518, 0x3708A801, }, /* 54.0000 */ - { 17777, 0x23E36802, }, /* 56.2500 */ - { 17733, 0x23E36802, }, /* 56.3916 */ - { 17653, 0x23E36802, }, /* 56.6444 */ - { 16949, 0x37C45801, }, /* 59.0000 */ - { 15873, 0x23EC4801, }, /* 63.0000 */ - { 15384, 0x37911801, }, /* 65.0000 */ - { 14814, 0x37963803, }, /* 67.5000 */ - { 14124, 0x37058803, }, /* 70.8000 */ - { 13888, 0x3710C805, }, /* 72.0000 */ - { 13333, 0x37E22801, }, /* 75.0000 */ - { 12698, 0x27915801, }, /* 78.7500 */ - { 12500, 0x37D8D802, }, /* 80.0000 */ - { 11135, 0x27588802, }, /* 89.8000 */ - { 10582, 0x27EC4802, }, /* 94.5000 */ - { 10101, 0x27AC6803, }, /* 99.0000 */ - { 10000, 0x27088801, }, /* 100.0000 */ - { 9259, 0x2710C805, }, /* 108.0000 */ - { 8888, 0x27E36802, }, /* 112.5000 */ - { 7692, 0x27C58803, }, /* 130.0000 */ - { 7407, 0x27316803, }, /* 135.0000 */ - { 6349, 0x2F915801, }, /* 157.5000 */ - { 6172, 0x2F08A801, }, /* 162.0000 */ - { 5714, 0x2FB11802, }, /* 175.0000 */ - { 5291, 0x2FEC4802, }, /* 189.0000 */ - { 4950, 0x2F963803, }, /* 202.0000 */ - { 4310, 0x2FB1B802, }, /* 232.0000 */ -}; - -static void cs5530_set_dclk_frequency(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - int i; - u32 value; - long min, diff; - - /* Search the table for the closest pixclock. */ - value = cs5530_pll_table[0].pll_value; - min = cs5530_pll_table[0].pixclock - info->var.pixclock; - if (min < 0) min = -min; - for (i = 1; i < ARRAY_SIZE(cs5530_pll_table); i++) { - diff = cs5530_pll_table[i].pixclock - info->var.pixclock; - if (diff < 0L) diff = -diff; - if (diff < min) { - min = diff; - value = cs5530_pll_table[i].pll_value; - } - } - - writel(value, par->vid_regs + CS5530_DOT_CLK_CONFIG); - writel(value | 0x80000100, par->vid_regs + CS5530_DOT_CLK_CONFIG); /* set reset and bypass */ - udelay(500); /* wait for PLL to settle */ - writel(value & 0x7FFFFFFF, par->vid_regs + CS5530_DOT_CLK_CONFIG); /* clear reset */ - writel(value & 0x7FFFFEFF, par->vid_regs + CS5530_DOT_CLK_CONFIG); /* clear bypass */ -} - -static void cs5530_configure_display(struct fb_info *info) -{ - struct geodefb_par *par = info->par; - u32 dcfg; - - dcfg = readl(par->vid_regs + CS5530_DISPLAY_CONFIG); - - /* Clear bits from existing mode. */ - dcfg &= ~(CS5530_DCFG_CRT_SYNC_SKW_MASK | CS5530_DCFG_PWR_SEQ_DLY_MASK - | CS5530_DCFG_CRT_HSYNC_POL | CS5530_DCFG_CRT_VSYNC_POL - | CS5530_DCFG_FP_PWR_EN | CS5530_DCFG_FP_DATA_EN - | CS5530_DCFG_DAC_PWR_EN | CS5530_DCFG_VSYNC_EN - | CS5530_DCFG_HSYNC_EN); - - /* Set default sync skew and power sequence delays. */ - dcfg |= (CS5530_DCFG_CRT_SYNC_SKW_INIT | CS5530_DCFG_PWR_SEQ_DLY_INIT - | CS5530_DCFG_GV_PAL_BYP); - - /* Enable DACs, hsync and vsync for CRTs */ - if (par->enable_crt) { - dcfg |= CS5530_DCFG_DAC_PWR_EN; - dcfg |= CS5530_DCFG_HSYNC_EN | CS5530_DCFG_VSYNC_EN; - } - /* Enable panel power and data if using a flat panel. */ - if (par->panel_x > 0) { - dcfg |= CS5530_DCFG_FP_PWR_EN; - dcfg |= CS5530_DCFG_FP_DATA_EN; - } - - /* Sync polarities. */ - if (info->var.sync & FB_SYNC_HOR_HIGH_ACT) - dcfg |= CS5530_DCFG_CRT_HSYNC_POL; - if (info->var.sync & FB_SYNC_VERT_HIGH_ACT) - dcfg |= CS5530_DCFG_CRT_VSYNC_POL; - - writel(dcfg, par->vid_regs + CS5530_DISPLAY_CONFIG); -} - -static int cs5530_blank_display(struct fb_info *info, int blank_mode) -{ - struct geodefb_par *par = info->par; - u32 dcfg; - int blank, hsync, vsync; - - switch (blank_mode) { - case FB_BLANK_UNBLANK: - blank = 0; hsync = 1; vsync = 1; - break; - case FB_BLANK_NORMAL: - blank = 1; hsync = 1; vsync = 1; - break; - case FB_BLANK_VSYNC_SUSPEND: - blank = 1; hsync = 1; vsync = 0; - break; - case FB_BLANK_HSYNC_SUSPEND: - blank = 1; hsync = 0; vsync = 1; - break; - case FB_BLANK_POWERDOWN: - blank = 1; hsync = 0; vsync = 0; - break; - default: - return -EINVAL; - } - - dcfg = readl(par->vid_regs + CS5530_DISPLAY_CONFIG); - - dcfg &= ~(CS5530_DCFG_DAC_BL_EN | CS5530_DCFG_DAC_PWR_EN - | CS5530_DCFG_HSYNC_EN | CS5530_DCFG_VSYNC_EN - | CS5530_DCFG_FP_DATA_EN | CS5530_DCFG_FP_PWR_EN); - - if (par->enable_crt) { - if (!blank) - dcfg |= CS5530_DCFG_DAC_BL_EN | CS5530_DCFG_DAC_PWR_EN; - if (hsync) - dcfg |= CS5530_DCFG_HSYNC_EN; - if (vsync) - dcfg |= CS5530_DCFG_VSYNC_EN; - } - if (par->panel_x > 0) { - if (!blank) - dcfg |= CS5530_DCFG_FP_DATA_EN; - if (hsync && vsync) - dcfg |= CS5530_DCFG_FP_PWR_EN; - } - - writel(dcfg, par->vid_regs + CS5530_DISPLAY_CONFIG); - - return 0; -} - -struct geode_vid_ops cs5530_vid_ops = { - .set_dclk = cs5530_set_dclk_frequency, - .configure_display = cs5530_configure_display, - .blank_display = cs5530_blank_display, -}; |