// SPDX-License-Identifier: GPL-2.0
|
#include <linux/module.h>
|
#include <linux/kernel.h>
|
#include <linux/errno.h>
|
#include <linux/string.h>
|
#include <linux/mm.h>
|
#include <linux/slab.h>
|
#include <linux/delay.h>
|
#include <linux/fb.h>
|
#include <linux/ioport.h>
|
#include <linux/init.h>
|
#include <linux/pci.h>
|
#include <linux/vmalloc.h>
|
#include <linux/pagemap.h>
|
#include <linux/console.h>
|
#include <linux/platform_device.h>
|
#include <linux/screen_info.h>
|
|
#include "sm750.h"
|
#include "sm750_accel.h"
|
static inline void write_dpr(struct lynx_accel *accel, int offset, u32 regValue)
|
{
|
writel(regValue, accel->dprBase + offset);
|
}
|
|
static inline u32 read_dpr(struct lynx_accel *accel, int offset)
|
{
|
return readl(accel->dprBase + offset);
|
}
|
|
static inline void write_dpPort(struct lynx_accel *accel, u32 data)
|
{
|
writel(data, accel->dpPortBase);
|
}
|
|
void sm750_hw_de_init(struct lynx_accel *accel)
|
{
|
/* setup 2d engine registers */
|
u32 reg, clr;
|
|
write_dpr(accel, DE_MASKS, 0xFFFFFFFF);
|
|
/* dpr1c */
|
reg = 0x3;
|
|
clr = DE_STRETCH_FORMAT_PATTERN_XY |
|
DE_STRETCH_FORMAT_PATTERN_Y_MASK |
|
DE_STRETCH_FORMAT_PATTERN_X_MASK |
|
DE_STRETCH_FORMAT_ADDRESSING_MASK |
|
DE_STRETCH_FORMAT_SOURCE_HEIGHT_MASK;
|
|
/* DE_STRETCH bpp format need be initialized in setMode routine */
|
write_dpr(accel, DE_STRETCH_FORMAT,
|
(read_dpr(accel, DE_STRETCH_FORMAT) & ~clr) | reg);
|
|
/* disable clipping and transparent */
|
write_dpr(accel, DE_CLIP_TL, 0); /* dpr2c */
|
write_dpr(accel, DE_CLIP_BR, 0); /* dpr30 */
|
|
write_dpr(accel, DE_COLOR_COMPARE_MASK, 0); /* dpr24 */
|
write_dpr(accel, DE_COLOR_COMPARE, 0);
|
|
clr = DE_CONTROL_TRANSPARENCY | DE_CONTROL_TRANSPARENCY_MATCH |
|
DE_CONTROL_TRANSPARENCY_SELECT;
|
|
/* dpr0c */
|
write_dpr(accel, DE_CONTROL, read_dpr(accel, DE_CONTROL) & ~clr);
|
}
|
|
/*
|
* set2dformat only be called from setmode functions
|
* but if you need dual framebuffer driver,need call set2dformat
|
* every time you use 2d function
|
*/
|
|
void sm750_hw_set2dformat(struct lynx_accel *accel, int fmt)
|
{
|
u32 reg;
|
|
/* fmt=0,1,2 for 8,16,32,bpp on sm718/750/502 */
|
reg = read_dpr(accel, DE_STRETCH_FORMAT);
|
reg &= ~DE_STRETCH_FORMAT_PIXEL_FORMAT_MASK;
|
reg |= ((fmt << DE_STRETCH_FORMAT_PIXEL_FORMAT_SHIFT) &
|
DE_STRETCH_FORMAT_PIXEL_FORMAT_MASK);
|
write_dpr(accel, DE_STRETCH_FORMAT, reg);
|
}
|
|
int sm750_hw_fillrect(struct lynx_accel *accel,
|
u32 base, u32 pitch, u32 Bpp,
|
u32 x, u32 y, u32 width, u32 height,
|
u32 color, u32 rop)
|
{
|
u32 deCtrl;
|
|
if (accel->de_wait() != 0) {
|
/*
|
* int time wait and always busy,seems hardware
|
* got something error
|
*/
|
pr_debug("De engine always busy\n");
|
return -1;
|
}
|
|
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, base); /* dpr40 */
|
write_dpr(accel, DE_PITCH,
|
((pitch / Bpp << DE_PITCH_DESTINATION_SHIFT) &
|
DE_PITCH_DESTINATION_MASK) |
|
(pitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
|
|
write_dpr(accel, DE_WINDOW_WIDTH,
|
((pitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
|
DE_WINDOW_WIDTH_DST_MASK) |
|
(pitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr44 */
|
|
write_dpr(accel, DE_FOREGROUND, color); /* DPR14 */
|
|
write_dpr(accel, DE_DESTINATION,
|
((x << DE_DESTINATION_X_SHIFT) & DE_DESTINATION_X_MASK) |
|
(y & DE_DESTINATION_Y_MASK)); /* dpr4 */
|
|
write_dpr(accel, DE_DIMENSION,
|
((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
|
(height & DE_DIMENSION_Y_ET_MASK)); /* dpr8 */
|
|
deCtrl = DE_CONTROL_STATUS | DE_CONTROL_LAST_PIXEL |
|
DE_CONTROL_COMMAND_RECTANGLE_FILL | DE_CONTROL_ROP_SELECT |
|
(rop & DE_CONTROL_ROP_MASK); /* dpr0xc */
|
|
write_dpr(accel, DE_CONTROL, deCtrl);
|
return 0;
|
}
|
|
/**
|
* sm750_hm_copyarea
|
* @sBase: Address of source: offset in frame buffer
|
* @sPitch: Pitch value of source surface in BYTE
|
* @sx: Starting x coordinate of source surface
|
* @sy: Starting y coordinate of source surface
|
* @dBase: Address of destination: offset in frame buffer
|
* @dPitch: Pitch value of destination surface in BYTE
|
* @Bpp: Color depth of destination surface
|
* @dx: Starting x coordinate of destination surface
|
* @dy: Starting y coordinate of destination surface
|
* @width: width of rectangle in pixel value
|
* @height: height of rectangle in pixel value
|
* @rop2: ROP value
|
*/
|
int sm750_hw_copyarea(struct lynx_accel *accel,
|
unsigned int sBase, unsigned int sPitch,
|
unsigned int sx, unsigned int sy,
|
unsigned int dBase, unsigned int dPitch,
|
unsigned int Bpp, unsigned int dx, unsigned int dy,
|
unsigned int width, unsigned int height,
|
unsigned int rop2)
|
{
|
unsigned int nDirection, de_ctrl;
|
|
nDirection = LEFT_TO_RIGHT;
|
/* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */
|
de_ctrl = 0;
|
|
/* If source and destination are the same surface, need to check for overlay cases */
|
if (sBase == dBase && sPitch == dPitch) {
|
/* Determine direction of operation */
|
if (sy < dy) {
|
/* +----------+
|
* |S |
|
* | +----------+
|
* | | | |
|
* | | | |
|
* +---|------+ |
|
* | D|
|
* +----------+
|
*/
|
|
nDirection = BOTTOM_TO_TOP;
|
} else if (sy > dy) {
|
/* +----------+
|
* |D |
|
* | +----------+
|
* | | | |
|
* | | | |
|
* +---|------+ |
|
* | S|
|
* +----------+
|
*/
|
|
nDirection = TOP_TO_BOTTOM;
|
} else {
|
/* sy == dy */
|
|
if (sx <= dx) {
|
/* +------+---+------+
|
* |S | | D|
|
* | | | |
|
* | | | |
|
* | | | |
|
* +------+---+------+
|
*/
|
|
nDirection = RIGHT_TO_LEFT;
|
} else {
|
/* sx > dx */
|
|
/* +------+---+------+
|
* |D | | S|
|
* | | | |
|
* | | | |
|
* | | | |
|
* +------+---+------+
|
*/
|
|
nDirection = LEFT_TO_RIGHT;
|
}
|
}
|
}
|
|
if ((nDirection == BOTTOM_TO_TOP) || (nDirection == RIGHT_TO_LEFT)) {
|
sx += width - 1;
|
sy += height - 1;
|
dx += width - 1;
|
dy += height - 1;
|
}
|
|
/*
|
* Note:
|
* DE_FOREGROUND and DE_BACKGROUND are don't care.
|
* DE_COLOR_COMPARE and DE_COLOR_COMPARE_MAKS
|
* are set by set deSetTransparency().
|
*/
|
|
/*
|
* 2D Source Base.
|
* It is an address offset (128 bit aligned)
|
* from the beginning of frame buffer.
|
*/
|
write_dpr(accel, DE_WINDOW_SOURCE_BASE, sBase); /* dpr40 */
|
|
/*
|
* 2D Destination Base.
|
* It is an address offset (128 bit aligned)
|
* from the beginning of frame buffer.
|
*/
|
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase); /* dpr44 */
|
|
/*
|
* Program pitch (distance between the 1st points of two adjacent lines).
|
* Note that input pitch is BYTE value, but the 2D Pitch register uses
|
* pixel values. Need Byte to pixel conversion.
|
*/
|
write_dpr(accel, DE_PITCH,
|
((dPitch / Bpp << DE_PITCH_DESTINATION_SHIFT) &
|
DE_PITCH_DESTINATION_MASK) |
|
(sPitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
|
|
/*
|
* Screen Window width in Pixels.
|
* 2D engine uses this value to calculate the linear address in frame buffer
|
* for a given point.
|
*/
|
write_dpr(accel, DE_WINDOW_WIDTH,
|
((dPitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) &
|
DE_WINDOW_WIDTH_DST_MASK) |
|
(sPitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr3c */
|
|
if (accel->de_wait() != 0)
|
return -1;
|
|
write_dpr(accel, DE_SOURCE,
|
((sx << DE_SOURCE_X_K1_SHIFT) & DE_SOURCE_X_K1_MASK) |
|
(sy & DE_SOURCE_Y_K2_MASK)); /* dpr0 */
|
write_dpr(accel, DE_DESTINATION,
|
((dx << DE_DESTINATION_X_SHIFT) & DE_DESTINATION_X_MASK) |
|
(dy & DE_DESTINATION_Y_MASK)); /* dpr04 */
|
write_dpr(accel, DE_DIMENSION,
|
((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
|
(height & DE_DIMENSION_Y_ET_MASK)); /* dpr08 */
|
|
de_ctrl = (rop2 & DE_CONTROL_ROP_MASK) | DE_CONTROL_ROP_SELECT |
|
((nDirection == RIGHT_TO_LEFT) ? DE_CONTROL_DIRECTION : 0) |
|
DE_CONTROL_COMMAND_BITBLT | DE_CONTROL_STATUS;
|
write_dpr(accel, DE_CONTROL, de_ctrl); /* dpr0c */
|
|
return 0;
|
}
|
|
static unsigned int deGetTransparency(struct lynx_accel *accel)
|
{
|
unsigned int de_ctrl;
|
|
de_ctrl = read_dpr(accel, DE_CONTROL);
|
|
de_ctrl &= (DE_CONTROL_TRANSPARENCY_MATCH |
|
DE_CONTROL_TRANSPARENCY_SELECT | DE_CONTROL_TRANSPARENCY);
|
|
return de_ctrl;
|
}
|
|
/**
|
* sm750_hw_imageblit
|
* @pSrcbuf: pointer to start of source buffer in system memory
|
* @srcDelta: Pitch value (in bytes) of the source buffer, +ive means top down
|
* and -ive mean button up
|
* @startBit: Mono data can start at any bit in a byte, this value should be
|
* 0 to 7
|
* @dBase: Address of destination: offset in frame buffer
|
* @dPitch: Pitch value of destination surface in BYTE
|
* @bytePerPixel: Color depth of destination surface
|
* @dx: Starting x coordinate of destination surface
|
* @dy: Starting y coordinate of destination surface
|
* @width: width of rectangle in pixel value
|
* @height: height of rectangle in pixel value
|
* @fColor: Foreground color (corresponding to a 1 in the monochrome data
|
* @bColor: Background color (corresponding to a 0 in the monochrome data
|
* @rop2: ROP value
|
*/
|
int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
|
u32 srcDelta, u32 startBit, u32 dBase, u32 dPitch,
|
u32 bytePerPixel, u32 dx, u32 dy, u32 width,
|
u32 height, u32 fColor, u32 bColor, u32 rop2)
|
{
|
unsigned int ulBytesPerScan;
|
unsigned int ul4BytesPerScan;
|
unsigned int ulBytesRemain;
|
unsigned int de_ctrl = 0;
|
unsigned char ajRemain[4];
|
int i, j;
|
|
startBit &= 7; /* Just make sure the start bit is within legal range */
|
ulBytesPerScan = (width + startBit + 7) / 8;
|
ul4BytesPerScan = ulBytesPerScan & ~3;
|
ulBytesRemain = ulBytesPerScan & 3;
|
|
if (accel->de_wait() != 0)
|
return -1;
|
|
/*
|
* 2D Source Base.
|
* Use 0 for HOST Blt.
|
*/
|
write_dpr(accel, DE_WINDOW_SOURCE_BASE, 0);
|
|
/* 2D Destination Base.
|
* It is an address offset (128 bit aligned)
|
* from the beginning of frame buffer.
|
*/
|
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase);
|
|
/*
|
* Program pitch (distance between the 1st points of two adjacent
|
* lines). Note that input pitch is BYTE value, but the 2D Pitch
|
* register uses pixel values. Need Byte to pixel conversion.
|
*/
|
write_dpr(accel, DE_PITCH,
|
((dPitch / bytePerPixel << DE_PITCH_DESTINATION_SHIFT) &
|
DE_PITCH_DESTINATION_MASK) |
|
(dPitch / bytePerPixel & DE_PITCH_SOURCE_MASK)); /* dpr10 */
|
|
/*
|
* Screen Window width in Pixels.
|
* 2D engine uses this value to calculate the linear address
|
* in frame buffer for a given point.
|
*/
|
write_dpr(accel, DE_WINDOW_WIDTH,
|
((dPitch / bytePerPixel << DE_WINDOW_WIDTH_DST_SHIFT) &
|
DE_WINDOW_WIDTH_DST_MASK) |
|
(dPitch / bytePerPixel & DE_WINDOW_WIDTH_SRC_MASK));
|
|
/*
|
* Note: For 2D Source in Host Write, only X_K1_MONO field is needed,
|
* and Y_K2 field is not used.
|
* For mono bitmap, use startBit for X_K1.
|
*/
|
write_dpr(accel, DE_SOURCE,
|
(startBit << DE_SOURCE_X_K1_SHIFT) &
|
DE_SOURCE_X_K1_MONO_MASK); /* dpr00 */
|
|
write_dpr(accel, DE_DESTINATION,
|
((dx << DE_DESTINATION_X_SHIFT) & DE_DESTINATION_X_MASK) |
|
(dy & DE_DESTINATION_Y_MASK)); /* dpr04 */
|
|
write_dpr(accel, DE_DIMENSION,
|
((width << DE_DIMENSION_X_SHIFT) & DE_DIMENSION_X_MASK) |
|
(height & DE_DIMENSION_Y_ET_MASK)); /* dpr08 */
|
|
write_dpr(accel, DE_FOREGROUND, fColor);
|
write_dpr(accel, DE_BACKGROUND, bColor);
|
|
de_ctrl = (rop2 & DE_CONTROL_ROP_MASK) |
|
DE_CONTROL_ROP_SELECT | DE_CONTROL_COMMAND_HOST_WRITE |
|
DE_CONTROL_HOST | DE_CONTROL_STATUS;
|
|
write_dpr(accel, DE_CONTROL, de_ctrl | deGetTransparency(accel));
|
|
/* Write MONO data (line by line) to 2D Engine data port */
|
for (i = 0; i < height; i++) {
|
/* For each line, send the data in chunks of 4 bytes */
|
for (j = 0; j < (ul4BytesPerScan / 4); j++)
|
write_dpPort(accel, *(unsigned int *)(pSrcbuf + (j * 4)));
|
|
if (ulBytesRemain) {
|
memcpy(ajRemain, pSrcbuf + ul4BytesPerScan,
|
ulBytesRemain);
|
write_dpPort(accel, *(unsigned int *)ajRemain);
|
}
|
|
pSrcbuf += srcDelta;
|
}
|
|
return 0;
|
}
|
