mirror of
https://github.com/RaySollium99/libpicofe.git
synced 2025-09-07 07:38:04 -04:00
GP2X updates
video stuff moved out as it's project specific..
This commit is contained in:
notaz
parent
c54d04fd84
commit
7ceadd9993
12 changed files with 313 additions and 806 deletions
296
gp2x/soc_mmsp2.c
296
gp2x/soc_mmsp2.c
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@ -17,141 +17,36 @@
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <linux/soundcard.h>
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#include "soc.h"
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#include "soc_mmsp2.h"
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#include "plat_gp2x.h"
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#include "../emu.h"
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#include "../plat.h"
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#include "../arm_utils.h"
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#include "940ctl.h"
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volatile unsigned short *gp2x_memregs;
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volatile unsigned long *gp2x_memregl;
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extern void *gp2x_screens[4];
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static int screensel = 0;
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int memdev = -1; /* used by code940 */
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static int mixerdev = -1;
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static int touchdev = -1;
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static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };
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#define FRAMEBUFF_SIZE 0x30000
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#define FRAMEBUFF_WHOLESIZE (FRAMEBUFF_SIZE*4) // 320*240*2 + some more
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#define FRAMEBUFF_ADDR0 (0x4000000 - FRAMEBUFF_WHOLESIZE)
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#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0 + FRAMEBUFF_SIZE)
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#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1 + FRAMEBUFF_SIZE)
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#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2 + FRAMEBUFF_SIZE)
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static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 };
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static int gp2x_screenaddrs_use[4];
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static char gamma_was_changed = 0;
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static char cpuclk_was_changed = 0;
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static unsigned short gp2x_screenaddr_old[4];
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static unsigned short memtimex_old[2];
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static unsigned short reg0910;
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/* video stuff */
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static void gp2x_video_flip_(void)
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{
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unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3];
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unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16);
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gp2x_memregs[0x2910>>1] = msw;
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gp2x_memregs[0x2914>>1] = msw;
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gp2x_memregs[0x290E>>1] = lsw;
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gp2x_memregs[0x2912>>1] = lsw;
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// jump to other buffer:
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g_screen_ptr = gp2x_screens[++screensel&3];
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}
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/* doulblebuffered flip */
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static void gp2x_video_flip2_(void)
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{
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unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16);
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gp2x_memregs[0x2910>>1] = msw;
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gp2x_memregs[0x2914>>1] = msw;
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gp2x_memregs[0x290E>>1] = 0;
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gp2x_memregs[0x2912>>1] = 0;
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// jump to other buffer:
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g_screen_ptr = gp2x_screens[++screensel&1];
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}
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static void gp2x_video_changemode_ll_(int bpp)
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{
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gp2x_memregs[0x28DA>>1] = (((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/
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gp2x_memregs[0x290C>>1] = 320*((bpp+1)/8); /*line width in bytes*/
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}
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static void gp2x_video_setpalette_(int *pal, int len)
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{
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unsigned short *g = (unsigned short *)pal;
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volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1];
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gp2x_memregs[0x2958>>1] = 0;
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len *= 2;
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while (len--)
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*memreg = *g++;
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}
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static void gp2x_video_RGB_setscaling_(int ln_offs, int W, int H)
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{
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float escalaw, escalah;
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int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3;
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unsigned short scalw;
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// set offset
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gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp;
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gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp;
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gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp;
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gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp;
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escalaw = 1024.0; // RGB Horiz LCD
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escalah = 320.0; // RGB Vert LCD
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if (gp2x_memregs[0x2800>>1]&0x100) //TV-Out
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{
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escalaw=489.0; // RGB Horiz TV (PAL, NTSC)
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if (gp2x_memregs[0x2818>>1] == 287) //PAL
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escalah=274.0; // RGB Vert TV PAL
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else if (gp2x_memregs[0x2818>>1] == 239) //NTSC
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escalah=331.0; // RGB Vert TV NTSC
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}
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// scale horizontal
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scalw = (unsigned short)((float)escalaw *(W/320.0));
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/* if there is no horizontal scaling, vertical doesn't work.
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* Here is a nasty wrokaround... */
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if (H != 240 && W == 320) scalw--;
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gp2x_memregs[0x2906>>1]=scalw;
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// scale vertical
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gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0));
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}
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static void gp2x_video_wait_vsync_(void)
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{
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unsigned short v = gp2x_memregs[0x1182>>1];
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while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10))
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spend_cycles(1024);
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}
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/* 940 */
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void pause940(int yes)
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{
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if (yes)
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gp2x_memregs[0x0904>>1] &= 0xFFFE;
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memregs[0x0904>>1] &= 0xFFFE;
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else
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gp2x_memregs[0x0904>>1] |= 1;
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memregs[0x0904>>1] |= 1;
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}
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void reset940(int yes, int bank)
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{
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gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);
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memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);
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}
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/*
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@ -164,7 +59,15 @@ void reset940(int yes, int bank)
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#define SYS_CLK_FREQ 7372800
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static void gp2x_set_cpuclk_(unsigned int mhz)
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static int cpu_current_mhz = 200;
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static int mmsp2_clock_get(void)
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{
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// TODO: read the actual value?
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return cpu_current_mhz;
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}
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static int mmsp2_clock_set(int mhz)
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{
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unsigned int mdiv, pdiv, sdiv = 0;
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unsigned int v;
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@ -174,16 +77,18 @@ static void gp2x_set_cpuclk_(unsigned int mhz)
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mdiv = (mhz * pdiv * 1000000) / SYS_CLK_FREQ;
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if (mdiv & ~0xff) {
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fprintf(stderr, "invalid cpuclk MHz: %u\n", mhz);
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return;
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return -1;
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}
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v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv;
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gp2x_memregs[0x910>>1] = v;
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memregs[0x910>>1] = v;
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for (i = 0; i < 10000; i++)
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if (!(gp2x_memregs[0x902>>1] & 1))
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if (!(memregs[0x902>>1] & 1))
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break;
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cpuclk_was_changed = 1;
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cpu_current_mhz = mhz;
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return 0;
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}
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/* RAM timings */
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@ -192,6 +97,14 @@ static void gp2x_set_cpuclk_(unsigned int mhz)
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if (t & ~mask) \
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goto bad
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static __attribute__((noinline)) void spend_cycles(int c)
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{
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asm volatile(
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"0: subs %0, %0, #1 ;"
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"bgt 0b"
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: "=r" (c) : "0" (c) : "cc");
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}
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static void set_ram_timing_vals(int tCAS, int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
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{
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int i;
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@ -207,13 +120,13 @@ static void set_ram_timing_vals(int tCAS, int tRC, int tRAS, int tWR, int tMRD,
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/* get spend_cycles() into cache */
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spend_cycles(1);
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gp2x_memregs[0x3802>>1] = ((tMRD & 0xF) << 12) | ((tRFC & 0xF) << 8) | ((tRP & 0xF) << 4) | (tRCD & 0xF);
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gp2x_memregs[0x3804>>1] = 0x8000 | ((tCAS & 1) << 12) | ((tRC & 0xF) << 8) | ((tRAS & 0xF) << 4) | (tWR & 0xF);
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memregs[0x3802>>1] = ((tMRD & 0xF) << 12) | ((tRFC & 0xF) << 8) | ((tRP & 0xF) << 4) | (tRCD & 0xF);
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memregs[0x3804>>1] = 0x8000 | ((tCAS & 1) << 12) | ((tRC & 0xF) << 8) | ((tRAS & 0xF) << 4) | (tWR & 0xF);
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/* be sure we don't access the mem while it's being reprogrammed */
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spend_cycles(128*1024);
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for (i = 0; i < 8*1024; i++)
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if (!(gp2x_memregs[0x3804>>1] & 0x8000))
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if (!(memregs[0x3804>>1] & 0x8000))
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break;
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printf("RAM timings set.\n");
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@ -230,8 +143,8 @@ static void set_ram_timings_(void)
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static void unset_ram_timings_(void)
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{
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gp2x_memregs[0x3802>>1] = memtimex_old[0];
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gp2x_memregs[0x3804>>1] = memtimex_old[1] | 0x8000;
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memregs[0x3802>>1] = memtimex_old[0];
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memregs[0x3804>>1] = memtimex_old[1] | 0x8000;
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printf("RAM timings reset to startup values.\n");
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}
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@ -284,7 +197,7 @@ static void get_reg_setting(reg_setting *set)
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{
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for (; set->reg; set++)
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{
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unsigned short val = gp2x_memregs[set->reg >> 1];
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unsigned short val = memregs[set->reg >> 1];
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val &= set->valmask;
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set->val = val;
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}
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@ -294,23 +207,24 @@ static void set_reg_setting(const reg_setting *set)
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{
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for (; set->reg; set++)
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{
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unsigned short val = gp2x_memregs[set->reg >> 1];
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unsigned short val = memregs[set->reg >> 1];
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val &= ~set->valmask;
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val |= set->val;
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gp2x_memregs[set->reg >> 1] = val;
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memregs[set->reg >> 1] = val;
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}
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}
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static void set_lcd_custom_rate_(int is_pal)
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static int mmsp2_lcdrate_set(int is_pal)
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{
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if (gp2x_memregs[0x2800>>1] & 0x100) // tv-out
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return;
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if (memregs[0x2800>>1] & 0x100) // tv-out
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return 0;
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printf("setting custom LCD refresh (%d Hz)... ", is_pal ? 100 : 120);
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fflush(stdout);
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set_reg_setting(is_pal ? lcd_rate_100 : lcd_rate_120);
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printf("done.\n");
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return 0;
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}
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static void unset_lcd_custom_rate_(void)
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@ -321,14 +235,17 @@ static void unset_lcd_custom_rate_(void)
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static void set_lcd_gamma_(int g100, int A_SNs_curve)
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{
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float gamma = (float) g100 / 100;
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float gamma = (float) g100 / 100.0f;
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int i;
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gamma = 1 / gamma;
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/* enable gamma */
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gp2x_memregs[0x2880>>1] &= ~(1<<12);
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if (g100 == 100)
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A_SNs_curve = 0;
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gp2x_memregs[0x295C>>1] = 0;
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/* enable gamma */
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memregs[0x2880>>1] &= ~(1<<12);
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memregs[0x295C>>1] = 0;
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for (i = 0; i < 256; i++)
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{
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unsigned char g;
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@ -351,22 +268,23 @@ static void set_lcd_gamma_(int g100, int A_SNs_curve)
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}
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else
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{
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blah = i;
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blah = (double)i;
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}
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g = (unsigned char)(255.0 * pow(blah/255.0, gamma));
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//printf("%d : %d\n", i, g);
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s = (g<<8) | g;
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gp2x_memregs[0x295E>>1]= s;
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gp2x_memregs[0x295E>>1]= g;
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memregs[0x295E>>1]= s;
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memregs[0x295E>>1]= g;
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}
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gamma_was_changed = 1;
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}
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static int gp2x_read_battery_(void)
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static int mmsp2_gamma_set(int val, int black_level)
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{
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return -1; /* TODO? */
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set_lcd_gamma_(val, 1);
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return 0;
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}
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/* these are not quite MMSP2 related,
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@ -429,11 +347,33 @@ static void proc_set(const char *path, const char *val)
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fclose(f);
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}
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static int step_volume(int *volume, int diff)
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{
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int ret, val;
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if (mixerdev < 0)
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return -1;
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*volume += diff;
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if (*volume >= 100)
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*volume = 100;
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else if (*volume < 0)
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*volume = 0;
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val = *volume;
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val |= val << 8;
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ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
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if (ret == -1) {
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perror("WRITE_PCM");
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return ret;
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}
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return 0;
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}
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void mmsp2_init(void)
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{
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int i;
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memdev = open("/dev/mem", O_RDWR);
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if (memdev == -1)
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{
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@ -441,48 +381,23 @@ void mmsp2_init(void)
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exit(1);
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}
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gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
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if (gp2x_memregs == MAP_FAILED)
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memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
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if (memregs == MAP_FAILED)
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{
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perror("mmap(memregs)");
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exit(1);
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}
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gp2x_memregl = (unsigned long *) gp2x_memregs;
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memregl = (volatile unsigned int *) memregs;
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gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers
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gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED,
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memdev, gp2x_screenaddrs[0]);
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if (gp2x_screens[0] == MAP_FAILED)
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{
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perror("mmap(g_screen_ptr)");
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exit(1);
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}
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printf("framebuffers:\n");
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printf(" %08x -> %p\n", gp2x_screenaddrs[0], gp2x_screens[0]);
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for (i = 1; i < 4; i++)
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{
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gp2x_screens[i] = (char *) gp2x_screens[i - 1] + FRAMEBUFF_SIZE;
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printf(" %08x -> %p\n", gp2x_screenaddrs[i], gp2x_screens[i]);
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}
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g_screen_ptr = gp2x_screens[0];
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screensel = 0;
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gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1];
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gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1];
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gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1];
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gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1];
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memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs));
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memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers
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/* save startup values: LCD refresh */
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get_reg_setting(lcd_rate_defaults);
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/* CPU and RAM timings */
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reg0910 = gp2x_memregs[0x0910>>1];
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memtimex_old[0] = gp2x_memregs[0x3802>>1];
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memtimex_old[1] = gp2x_memregs[0x3804>>1];
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reg0910 = memregs[0x0910>>1];
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memtimex_old[0] = memregs[0x3802>>1];
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memtimex_old[1] = memregs[0x3804>>1];
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/* touchscreen */
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touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY);
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@ -500,25 +415,17 @@ void mmsp2_init(void)
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proc_set("/proc/sys/vm/max-readahead", "0\n");
|
||||
proc_set("/proc/sys/vm/min-readahead", "0\n");
|
||||
|
||||
/* code940 portion */
|
||||
sharedmem940_init();
|
||||
mixerdev = open("/dev/mixer", O_RDWR);
|
||||
if (mixerdev == -1)
|
||||
perror("open(/dev/mixer)");
|
||||
|
||||
gp2x_video_flip = gp2x_video_flip_;
|
||||
gp2x_video_flip2 = gp2x_video_flip2_;
|
||||
gp2x_video_changemode_ll = gp2x_video_changemode_ll_;
|
||||
gp2x_video_setpalette = gp2x_video_setpalette_;
|
||||
gp2x_video_RGB_setscaling = gp2x_video_RGB_setscaling_;
|
||||
gp2x_video_wait_vsync = gp2x_video_wait_vsync_;
|
||||
set_ram_timings_();
|
||||
|
||||
gp2x_set_cpuclk = gp2x_set_cpuclk_;
|
||||
|
||||
set_lcd_custom_rate = set_lcd_custom_rate_;
|
||||
unset_lcd_custom_rate = unset_lcd_custom_rate_;
|
||||
set_lcd_gamma = set_lcd_gamma_;
|
||||
|
||||
set_ram_timings = set_ram_timings_;
|
||||
unset_ram_timings = unset_ram_timings_;
|
||||
gp2x_read_battery = gp2x_read_battery_;
|
||||
plat_target.cpu_clock_get = mmsp2_clock_get;
|
||||
plat_target.cpu_clock_set = mmsp2_clock_set;
|
||||
plat_target.lcdrate_set = mmsp2_lcdrate_set;
|
||||
plat_target.gamma_set = mmsp2_gamma_set;
|
||||
plat_target.step_volume = step_volume;
|
||||
|
||||
gp2x_get_ticks_ms = plat_get_ticks_ms_good;
|
||||
gp2x_get_ticks_us = plat_get_ticks_us_good;
|
||||
|
|
@ -528,27 +435,18 @@ void mmsp2_finish(void)
|
|||
{
|
||||
reset940(1, 3);
|
||||
pause940(1);
|
||||
sharedmem940_finish();
|
||||
|
||||
gp2x_video_RGB_setscaling_(0, 320, 240);
|
||||
gp2x_video_changemode_ll_(16);
|
||||
|
||||
gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0];
|
||||
gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1];
|
||||
gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2];
|
||||
gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3];
|
||||
|
||||
unset_lcd_custom_rate_();
|
||||
if (gamma_was_changed)
|
||||
set_lcd_gamma_(100, 0);
|
||||
unset_ram_timings_();
|
||||
if (cpuclk_was_changed)
|
||||
gp2x_memregs[0x910>>1] = reg0910;
|
||||
memregs[0x910>>1] = reg0910;
|
||||
|
||||
munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE);
|
||||
munmap((void *)gp2x_memregs, 0x10000);
|
||||
munmap((void *)memregs, 0x10000);
|
||||
close(memdev);
|
||||
if (touchdev >= 0)
|
||||
close(touchdev);
|
||||
if (mixerdev >= 0)
|
||||
close(mixerdev);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue