This patch is for EXYNOS Display driver.

Signed-off-by: Donghwa Lee dh09.lee@samsung.com Signed-off-by: Inki Dae inki.dae@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com --- drivers/video/exynos_fb.c | 160 +++++++++++++++++ drivers/video/exynos_fb.h | 62 +++++++ drivers/video/exynos_fimd.c | 416 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 638 insertions(+), 0 deletions(-) create mode 100644 drivers/video/exynos_fb.c create mode 100644 drivers/video/exynos_fb.h create mode 100644 drivers/video/exynos_fimd.c

diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c new file mode 100644 index 0000000..5067b22 --- /dev/null +++ b/drivers/video/exynos_fb.c @@ -0,0 +1,160 @@ +/* + * EXYNOS LCD Controller driver. + * + * Author: InKi Dae inki.dae@samsung.com + * Author: Donghwa Lee dh09.lee@samsung.com + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <lcd.h> +#include <version.h> +#include <stdarg.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/clock.h> +#include <asm/arch/clk.h> +#include <asm/arch/system.h> +#include <malloc.h> +#include "exynos_fb.h" + +int lcd_line_length; +int lcd_color_fg; +int lcd_color_bg; + +void *lcd_base; +void *lcd_console_address; + +short console_col; +short console_row; + +static unsigned int panel_width, panel_height; + +/* LCD Panel data */ +vidinfo_t panel_info; + +static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid) +{ + unsigned long palette_size, palette_mem_size; + unsigned int fb_size; + + fb_size = vid->vl_row * vid->vl_col * (vid->vl_bpix >> 3); + + lcd_base = lcdbase; + + palette_size = NBITS(vid->vl_bpix) == 8 ? 256 : 16; + palette_mem_size = palette_size * sizeof(u32); + + exynos_fimd_lcd_init_mem((unsigned long)lcd_base, + (unsigned long)fb_size, palette_size); +} + +static void exynos_lcd_init(vidinfo_t *vid) +{ + exynos_fimd_lcd_init(vid); +} + +static void lcd_panel_on(vidinfo_t *vid) +{ + udelay(vid->init_delay); + + if (vid->backlight_reset) + vid->backlight_reset(); + + if (vid->cfg_gpio) + vid->cfg_gpio(); + + if (vid->lcd_power_on) + vid->lcd_power_on(); + + udelay(vid->power_on_delay); + + if (vid->reset_lcd) { + vid->reset_lcd(); + udelay(vid->reset_delay); + } + + if (vid->backlight_on) + vid->backlight_on(1); + + if (vid->cfg_ldo) + vid->cfg_ldo(); + + if (vid->enable_ldo) + vid->enable_ldo(1); +} + +static void lcd_clk_set(void) +{ + struct exynos4_clock *clk = + (struct exynos4_clock *)samsung_get_base_clock(); + struct exynos4_sysreg *sysreg = + (struct exynos4_sysreg *)samsung_get_base_sysreg(); + unsigned int cfg = 0; + + /* system register path set */ + cfg = readl(&sysreg->display_ctrl); + cfg |= (1 << 1); + writel(cfg, &sysreg->display_ctrl); + + /* set lcd src clock */ + cfg &= ~(0xf); + cfg |= 0x6; + writel(cfg, &clk->src_lcd0); + + cfg = readl(&clk->gate_ip_lcd0); + cfg |= 1 << 0; + writel(cfg, &clk->gate_ip_lcd0); + + /* set fimd ratio */ + cfg &= ~(0xf); + cfg |= 0x1; + writel(cfg, &clk->div_lcd0); + +} + +void lcd_ctrl_init(void *lcdbase) +{ + lcd_clk_set(); + /* initialize parameters which is specific to panel. */ + init_panel_info(&panel_info); + + panel_width = panel_info.vl_width; + panel_height = panel_info.vl_height; + + exynos_lcd_init_mem(lcdbase, &panel_info); + + exynos_lcd_init(&panel_info); +} + + +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blud) +{ + return; +} + +void lcd_enable(void) +{ + lcd_panel_on(&panel_info); +} + +ulong calc_fbsize(void) +{ + return exynos_fimd_calc_fbsize(); +} diff --git a/drivers/video/exynos_fb.h b/drivers/video/exynos_fb.h new file mode 100644 index 0000000..3b8b0f6 --- /dev/null +++ b/drivers/video/exynos_fb.h @@ -0,0 +1,62 @@ +/* + * drivers/video/exynos_fb.h + * + * Copyright (C) 2012 Donghwa Lee dh09.lee@samsung.com + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * EXYNOS Frame Buffer Driver + * based on skeletonfb.c, sa1100fb.h, s3c2410fb.c + */ + +#ifndef _EXYNOS_FB_H_ +#define _EXYNOS_FB_H_ + +#define ON 1 +#define OFF 0 + +#define DEBUG +#undef DEBUG +#ifdef DEBUG +#define udebug(args...) printf(args) +#else +#define udebug(args...) do { } while (0) +#endif + +enum exynos_fb_rgb_mode_t { + MODE_RGB_P = 0, + MODE_BGR_P = 1, + MODE_RGB_S = 2, + MODE_BGR_S = 3, +}; + +enum s3cfb_cpu_auto_cmd_rate { + DISABLE_AUTO_FRM, + PER_TWO_FRM, + PER_FOUR_FRM, + PER_SIX_FRM, + PER_EIGHT_FRM, + PER_TEN_FRM, + PER_TWELVE_FRM, + PER_FOURTEEN_FRM, + PER_SIXTEEN_FRM, + PER_EIGHTEEN_FRM, + PER_TWENTY_FRM, + PER_TWENTY_TWO_FRM, + PER_TWENTY_FOUR_FRM, + PER_TWENTY_SIX_FRM, + PER_TWENTY_EIGHT_FRM, + PER_THIRTY_FRM, +}; + +void exynos_fimd_lcd_init_mem(unsigned long screen_base, unsigned long fb_size, + unsigned long palette_size); +void exynos_fimd_lcd_init(vidinfo_t *vid); +unsigned long exynos_fimd_calc_fbsize(void); +void exynos_c100_gpio_setup(void); +void exynos_c110_gpio_setup(void); + +#endif + diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c new file mode 100644 index 0000000..4822741 --- /dev/null +++ b/drivers/video/exynos_fimd.c @@ -0,0 +1,416 @@ +/* + * exynos LCD Controller Specific driver. + * + * Author: InKi Dae inki.dae@samsung.com + * Author: Donghwa Lee dh09.lee@samsung.com + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <stdarg.h> +#include <linux/types.h> +#include <asm/io.h> +#include <lcd.h> +#include <div64.h> + +#include <asm/arch/clk.h> +#include <asm/arch/clock.h> +#include <asm/arch/cpu.h> +#include <asm/arch/fb.h> +#include <asm/arch/gpio.h> +#include "exynos_fb.h" + +static unsigned long *lcd_base_addr; +static vidinfo_t *pvid; + +void exynos_fimd_lcd_init_mem(u_long screen_base, u_long fb_size, + u_long palette_size) +{ + lcd_base_addr = (unsigned long *)screen_base; + + udebug("lcd_base_addr(framebuffer memory) = %x\n", lcd_base_addr); + + return; +} + +static void exynos_fimd_set_dualrgb(unsigned int enabled) +{ + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + unsigned int cfg = 0; + + if (enabled) { + cfg = EXYNOS_DUALRGB_BYPASS_DUAL | EXYNOS_DUALRGB_LINESPLIT | + EXYNOS_DUALRGB_VDEN_EN_ENABLE; + + /* in case of Line Split mode, MAIN_CNT doesn't neet to set. */ + cfg |= EXYNOS_DUALRGB_SUB_CNT(pvid->vl_col/2) | + EXYNOS_DUALRGB_MAIN_CNT(0); + } else + cfg = 0; + + writel(cfg, &fimd_ctrl->dualrgb); +} + +static void exynos_fimd_set_par(unsigned int win_id) +{ + unsigned int cfg = 0; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + /* set window control */ + cfg = readl(&fimd_ctrl->wincon0 + (win_id * 0x4)); + + cfg &= ~(EXYNOS_WINCON_BITSWP_ENABLE | EXYNOS_WINCON_BYTESWP_ENABLE | + EXYNOS_WINCON_HAWSWP_ENABLE | EXYNOS_WINCON_WSWP_ENABLE | + EXYNOS_WINCON_BURSTLEN_MASK | EXYNOS_WINCON_BPPMODE_MASK | + EXYNOS_WINCON_INRGB_MASK | EXYNOS_WINCON_DATAPATH_MASK); + + /* DATAPATH is DMA */ + cfg |= EXYNOS_WINCON_DATAPATH_DMA; + + /* bpp is 32 */ + cfg |= EXYNOS_WINCON_WSWP_ENABLE; + + /* dma burst is 16 */ + cfg |= EXYNOS_WINCON_BURSTLEN_16WORD; + + /* pixel format is unpacked RGB888 */ + cfg |= EXYNOS_WINCON_BPPMODE_24BPP_888; + + writel(cfg, &fimd_ctrl->wincon0 + (win_id * 0x4)); + udebug("wincon%d = %x\n", win_id, cfg); + + /* set window position to x=0, y=0*/ + cfg = EXYNOS_VIDOSD_LEFT_X(0) | EXYNOS_VIDOSD_TOP_Y(0); + writel(cfg, &fimd_ctrl->vidosd0a + (win_id * 0x10)); + udebug("window postion left,top = %x\n", cfg); + + cfg = EXYNOS_VIDOSD_RIGHT_X(pvid->vl_col - 1) | + EXYNOS_VIDOSD_BOTTOM_Y(pvid->vl_row - 1); + writel(cfg, &fimd_ctrl->vidosd0b + (win_id * 0x10)); + udebug("window postion right,bottom= %x\n", cfg); + + /* set window size for window0*/ + cfg = EXYNOS_VIDOSD_SIZE(pvid->vl_col * pvid->vl_row); + writel(cfg, &fimd_ctrl->vidosd0c + (win_id * 0x10)); + udebug("vidosd_c%d= %x\n", win_id, cfg); + + return; +} + +static void exynos_fimd_set_buffer_address(unsigned int win_id) +{ + unsigned long start_addr, end_addr; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + start_addr = (unsigned long)lcd_base_addr; + end_addr = start_addr + ((pvid->vl_col * (pvid->vl_bpix / 8)) + * pvid->vl_row); + + writel(start_addr, &fimd_ctrl->vidw00add0b0 + (win_id * 0x10)); + writel(end_addr, &fimd_ctrl->vidw00add0b1 + (win_id * 0x10)); + + udebug("start addr = %x, end addr = %x\n", start_addr, end_addr); + + return; +} + +static void exynos_fimd_set_clock(vidinfo_t *pvid) +{ + unsigned int cfg = 0, div = 0, remainder, remainder_div; + unsigned long pixel_clock, src_clock, max_clock; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + u64 div64; + + max_clock = 86 * 1000000; + + if (pvid->dual_lcd_enabled) + pixel_clock = pvid->vl_freq * (pvid->vl_hspw + pvid->vl_hfpd + + pvid->vl_hbpd + pvid->vl_col / 2) * (pvid->vl_vspw + + pvid->vl_vfpd + pvid->vl_vbpd + pvid->vl_row); + else if (pvid->interface_mode == FIMD_CPU_INTERFACE) { + pixel_clock = pvid->vl_freq * pvid->vl_width * pvid->vl_height * + (pvid->cs_setup + pvid->wr_setup + pvid->wr_act + + pvid->wr_hold + 1); + } else + pixel_clock = pvid->vl_freq * (pvid->vl_hspw + pvid->vl_hfpd + + pvid->vl_hbpd + pvid->vl_col) * (pvid->vl_vspw + + pvid->vl_vfpd + pvid->vl_vbpd + pvid->vl_row); + + if (get_pll_clk == NULL) { + printf("get_pll_clk is null.\n"); + return; + } + src_clock = get_lcd_clk(); + + cfg = readl(&fimd_ctrl->vidcon0); + cfg &= ~(EXYNOS_VIDCON0_CLKSEL_MASK | EXYNOS_VIDCON0_CLKVALUP_MASK | + EXYNOS_VIDCON0_CLKVAL_F(0xFF) | + EXYNOS_VIDCON0_VCLKEN_MASK | EXYNOS_VIDCON0_CLKDIR_MASK); + cfg |= (EXYNOS_VIDCON0_CLKSEL_SCLK | EXYNOS_VIDCON0_CLKVALUP_ALWAYS | + EXYNOS_VIDCON0_VCLKEN_NORMAL | EXYNOS_VIDCON0_CLKDIR_DIVIDED); + + if (pixel_clock > max_clock) + pixel_clock = max_clock; + + div64 = (u64)get_lcd_clk(); + + /* get quotient and remainder. */ + remainder = do_div(div64, pixel_clock); + div = (u32) div64; + + remainder *= 10; + remainder_div = remainder / pixel_clock; + + /* round about one places of decimals. */ + if (remainder_div >= 5) + div++; + + /* in case of dual lcd mode. */ + if (pvid->dual_lcd_enabled) + div--; + + cfg |= EXYNOS_VIDCON0_CLKVAL_F(div - 1); + writel(cfg, &fimd_ctrl->vidcon0); + + udebug("src_clock = %d, pixel_clock = %d, div = %d\n", + src_clock, pixel_clock, div); + + return; +} + +void s3cfb_set_trigger(void) +{ + unsigned int cfg = 0; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + cfg = readl(&fimd_ctrl->trigcon); + + cfg |= 1 << 0 | 1 << 1; + + writel(cfg, &fimd_ctrl->trigcon); +} + +int s3cfb_is_i80_frame_done(void) +{ + unsigned int cfg = 0; + int status; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + cfg = readl(&fimd_ctrl->trigcon); + + /* frame done func is valid only when TRIMODE[0] is set to 1. */ + status = (((cfg & (0x1 << 2)) == (0x1 << 2)) ? 1 : 0); + + return status; +} + +static void exynos_fimd_lcd_on(unsigned int win_id) +{ + unsigned int cfg = 0; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + /* display on */ + cfg = readl(&fimd_ctrl->vidcon0); + cfg |= (EXYNOS_VIDCON0_ENVID_ENABLE | EXYNOS_VIDCON0_ENVID_F_ENABLE); + writel(cfg, &fimd_ctrl->vidcon0); + udebug("vidcon0 = %x\n", cfg); +} + +static void exynos_fimd_window_on(unsigned int win_id) +{ + unsigned int cfg = 0; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + /* enable window */ + cfg = readl(&fimd_ctrl->wincon0 + (win_id * 0x4)); + cfg |= EXYNOS_WINCON_ENWIN_ENABLE; + writel(cfg, &fimd_ctrl->wincon0 + (win_id * 0x4)); + udebug("wincon%d=%x\n", win_id, cfg); + + /* evt1 */ + cfg = readl(&fimd_ctrl->winshmap); + cfg |= EXYNOS_WINSHMAP_CH_ENABLE(win_id); + writel(cfg, &fimd_ctrl->winshmap); +} + +void exynos_fimd_lcd_off(unsigned int win_id) +{ + unsigned int cfg = 0; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + cfg = readl(&fimd_ctrl->vidcon0); + cfg &= (EXYNOS_VIDCON0_ENVID_DISABLE | EXYNOS_VIDCON0_ENVID_F_DISABLE); + writel(cfg, &fimd_ctrl->vidcon0); +} + +void exynos_fimd_window_off(unsigned int win_id) +{ + unsigned int cfg = 0; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + cfg = readl(&fimd_ctrl->wincon0 + (win_id * 0x4)); + cfg &= EXYNOS_WINCON_ENWIN_DISABLE; + writel(cfg, &fimd_ctrl->wincon0 + (win_id * 0x4)); + + /* evt1 */ + cfg = readl(&fimd_ctrl->winshmap); + cfg &= ~EXYNOS_WINSHMAP_CH_DISABLE(win_id); + writel(cfg, &fimd_ctrl->winshmap); +} + +int exynos_set_auto_cmd_rate(unsigned char cmd_rate, unsigned char ldi) +{ + unsigned int cmd_rate_val; + unsigned int i80_if_con_reg_val; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + cmd_rate_val = (cmd_rate == DISABLE_AUTO_FRM) ? (0x0 << 0) : + (cmd_rate == PER_TWO_FRM) ? (0x1 << 0) : + (cmd_rate == PER_FOUR_FRM) ? (0x2 << 0) : + (cmd_rate == PER_SIX_FRM) ? (0x3 << 0) : + (cmd_rate == PER_EIGHT_FRM) ? (0x4 << 0) : + (cmd_rate == PER_TEN_FRM) ? (0x5 << 0) : + (cmd_rate == PER_TWELVE_FRM) ? (0x6 << 0) : + (cmd_rate == PER_FOURTEEN_FRM) ? (0x7 << 0) : + (cmd_rate == PER_SIXTEEN_FRM) ? (0x8 << 0) : + (cmd_rate == PER_EIGHTEEN_FRM) ? (0x9 << 0) : + (cmd_rate == PER_TWENTY_FRM) ? (0xa << 0) : + (cmd_rate == PER_TWENTY_TWO_FRM) ? (0xb << 0) : + (cmd_rate == PER_TWENTY_FOUR_FRM) ? (0xc << 0) : + (cmd_rate == PER_TWENTY_SIX_FRM) ? (0xd << 0) : + (cmd_rate == PER_TWENTY_EIGHT_FRM) ? (0xe << 0) : (0xf << 0); + + i80_if_con_reg_val = readl(&fimd_ctrl->i80ifconb0); + i80_if_con_reg_val &= ~(0xf << 0); + i80_if_con_reg_val |= cmd_rate_val; + writel(i80_if_con_reg_val, &fimd_ctrl->i80ifconb0); + + return 0; +} + +void exynos_fimd_lcd_init(vidinfo_t *vid) +{ + unsigned int cfg = 0, rgb_mode, win_id = 3; + struct exynos4_fb *fimd_ctrl = + (struct exynos4_fb *)samsung_get_base_fimd(); + + /* store panel info to global variable */ + pvid = vid; + + rgb_mode = MODE_RGB_P; + + if (vid->interface_mode == FIMD_RGB_INTERFACE) { + cfg |= EXYNOS_VIDCON0_VIDOUT_RGB; + writel(cfg, &fimd_ctrl->vidcon0); + + cfg = readl(&fimd_ctrl->vidcon2); + cfg &= ~(EXYNOS_VIDCON2_WB_MASK | + EXYNOS_VIDCON2_TVFORMATSEL_MASK | + EXYNOS_VIDCON2_TVFORMATSEL_YUV_MASK); + cfg |= EXYNOS_VIDCON2_WB_DISABLE; + writel(cfg, &fimd_ctrl->vidcon2); + + /* set polarity */ + cfg = 0; + if (!pvid->vl_clkp) + cfg |= EXYNOS_VIDCON1_IVCLK_RISING_EDGE; + if (!pvid->vl_hsp) + cfg |= EXYNOS_VIDCON1_IHSYNC_INVERT; + if (!pvid->vl_vsp) + cfg |= EXYNOS_VIDCON1_IVSYNC_INVERT; + if (!pvid->vl_dp) + cfg |= EXYNOS_VIDCON1_IVDEN_INVERT; + + writel(cfg, &fimd_ctrl->vidcon1); + + /* set timing */ + cfg = EXYNOS_VIDTCON0_VFPD(pvid->vl_vfpd - 1); + cfg |= EXYNOS_VIDTCON0_VBPD(pvid->vl_vbpd - 1); + cfg |= EXYNOS_VIDTCON0_VSPW(pvid->vl_vspw - 1); + writel(cfg, &fimd_ctrl->vidtcon0); + udebug("vidtcon0 = %x\n", cfg); + + + cfg = EXYNOS_VIDTCON1_HFPD(pvid->vl_hfpd - 1); + cfg |= EXYNOS_VIDTCON1_HBPD(pvid->vl_hbpd - 1); + cfg |= EXYNOS_VIDTCON1_HSPW(pvid->vl_hspw - 1); + + writel(cfg, &fimd_ctrl->vidtcon1); + udebug("vidtcon1 = %x\n", cfg); + + /* set lcd size */ + cfg = EXYNOS_VIDTCON2_HOZVAL(pvid->vl_col - 1); + cfg |= EXYNOS_VIDTCON2_LINEVAL(pvid->vl_row - 1); + + writel(cfg, &fimd_ctrl->vidtcon2); + udebug("vidtcon2 = %x\n", cfg); + + } + + /* set display mode */ + cfg = readl(&fimd_ctrl->vidcon0); + cfg &= ~EXYNOS_VIDCON0_PNRMODE_MASK; + cfg |= (rgb_mode << EXYNOS_VIDCON0_PNRMODE_SHIFT); + writel(cfg, &fimd_ctrl->vidcon0); + + /* set par */ + exynos_fimd_set_par(win_id); + + /* set memory address */ + exynos_fimd_set_buffer_address(win_id); + + /* set buffer size */ + cfg = EXYNOS_VIDADDR_PAGEWIDTH(pvid->vl_col * pvid->vl_bpix / 8); + writel(cfg, &fimd_ctrl->vidw00add2 + (win_id * 0x4)); + udebug("vidaddr_pagewidth = %d\n", cfg); + + /* set clock */ + exynos_fimd_set_clock(vid); + + /* set rgb mode to dual lcd. */ + if (pvid->dual_lcd_enabled) + exynos_fimd_set_dualrgb(1); + else + exynos_fimd_set_dualrgb(0); + + /* display on */ + exynos_fimd_lcd_on(win_id); + + /* window on */ + exynos_fimd_window_on(win_id); + + udebug("lcd controller init completed.\n"); + + return; +} + +ulong exynos_fimd_calc_fbsize(void) +{ + return pvid->vl_col * pvid->vl_row * (pvid->vl_bpix / 8); +}