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GP2X updates

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video stuff moved out as it's project specific..
This commit is contained in:
notaz 2013-08-23 02:58:06 +03:00
parent c54d04fd84
commit 7ceadd9993
12 changed files with 313 additions and 806 deletions
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24
gp2x/in_gp2x.c
View file

@ -18,6 +18,8 @@
#include <unistd.h>
#include "../input.h"
#include "soc.h"
#include "plat_gp2x.h"
#include "in_gp2x.h"
#define IN_GP2X_PREFIX "gp2x:"
@ -47,15 +49,14 @@ static const char *in_gp2x_keys[IN_GP2X_NBUTTONS] = {
static int in_gp2x_get_mmsp2_bits(void)
{
extern volatile unsigned short *gp2x_memregs;
int value;
value = gp2x_memregs[0x1198>>1] & 0xff; // GPIO M
value = memregs[0x1198>>1] & 0xff; // GPIO M
if (value == 0xFD) value = 0xFA;
if (value == 0xF7) value = 0xEB;
if (value == 0xDF) value = 0xAF;
if (value == 0x7F) value = 0xBE;
value |= gp2x_memregs[0x1184>>1] & 0xFF00; // GPIO C
value |= gp2x_memregs[0x1186>>1] << 16; // GPIO D
value |= memregs[0x1184>>1] & 0xFF00; // GPIO C
value |= memregs[0x1186>>1] << 16; // GPIO D
value = ~value & 0x08c0ff55;
return value;
@ -87,17 +88,6 @@ static int in_gp2x_get_wiz_bits(void)
return value;
}
#ifdef FAKE_IN_GP2X
volatile unsigned short *gp2x_memregs;
int gp2x_dev_id = -1;
static int in_gp2x_get_fake_bits(void)
{
extern int current_keys;
return current_keys;
}
#endif
static void in_gp2x_probe(void)
{
switch (gp2x_dev_id)
@ -115,10 +105,6 @@ static void in_gp2x_probe(void)
break;
// we'll use evdev for Caanoo
default:
#ifdef FAKE_IN_GP2X
in_gp2x_get_bits = in_gp2x_get_fake_bits;
break;
#endif
return;
}

110
gp2x/plat.c Normal file
View file

@ -0,0 +1,110 @@
/*
* (C) notaz, 2013
*
* This work is licensed under the terms of any of these licenses
* (at your option):
* - GNU GPL, version 2 or later.
* - GNU LGPL, version 2.1 or later.
* - MAME license.
* See the COPYING file in the top-level directory.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <dirent.h>
#include <linux/input.h>
#include <errno.h>
#include "../plat.h"
#include "../input.h"
#include "plat_gp2x.h"
#include "soc.h"
int default_cpu_clock;
int gp2x_dev_id;
static const char * const caanoo_keys[KEY_MAX + 1] = {
[0 ... KEY_MAX] = NULL,
[KEY_UP] = "Up",
[KEY_LEFT] = "Left",
[KEY_RIGHT] = "Right",
[KEY_DOWN] = "Down",
[BTN_TRIGGER] = "A",
[BTN_THUMB] = "X",
[BTN_THUMB2] = "B",
[BTN_TOP] = "Y",
[BTN_TOP2] = "L",
[BTN_PINKIE] = "R",
[BTN_BASE] = "Home",
[BTN_BASE2] = "Lock",
[BTN_BASE3] = "I",
[BTN_BASE4] = "II",
[BTN_BASE5] = "Push",
};
/* to be filled by mmsp2/pollux _init */
struct plat_target plat_target;
int plat_target_init(void)
{
gp2x_soc_t soc;
FILE *f;
soc = soc_detect();
switch (soc)
{
case SOCID_MMSP2:
mmsp2_init();
default_cpu_clock = 200;
gp2x_dev_id = GP2X_DEV_GP2X;
break;
case SOCID_POLLUX:
pollux_init();
default_cpu_clock = 533;
f = fopen("/dev/accel", "rb");
if (f) {
printf("detected Caanoo\n");
gp2x_dev_id = GP2X_DEV_CAANOO;
fclose(f);
}
else {
printf("detected Wiz\n");
gp2x_dev_id = GP2X_DEV_WIZ;
}
break;
default:
printf("could not recognize SoC.\n");
break;
}
return 0;
}
/* to be called after in_probe */
void plat_target_setup_input(void)
{
if (gp2x_dev_id == GP2X_DEV_CAANOO)
in_set_config(in_name_to_id("evdev:pollux-analog"),
IN_CFG_KEY_NAMES,
caanoo_keys, sizeof(caanoo_keys));
}
void plat_target_finish(void)
{
gp2x_soc_t soc;
soc = soc_detect();
switch (soc)
{
case SOCID_MMSP2:
mmsp2_finish();
break;
case SOCID_POLLUX:
pollux_finish();
break;
default:
break;
}
}

12
gp2x/plat_gp2x.h
View file

@ -3,15 +3,6 @@
extern int default_cpu_clock;
/* video */
void gp2x_video_changemode(int bpp);
void gp2x_memcpy_all_buffers(void *data, int offset, int len);
void gp2x_memset_all_buffers(int offset, int byte, int len);
void gp2x_make_fb_bufferable(int yes);
/* input */
int gp2x_touchpad_read(int *x, int *y);
/* misc */
enum {
GP2X_DEV_GP2X = 1,
@ -19,11 +10,8 @@ enum {
GP2X_DEV_CAANOO,
};
extern int gp2x_dev_id;
extern int gp2x_current_bpp;
unsigned int plat_get_ticks_ms_good(void);
unsigned int plat_get_ticks_us_good(void);
void gp2x_menu_init(void);
#endif

33
gp2x/soc.c
View file

@ -19,27 +19,13 @@
#include "soc.h"
void (*gp2x_video_flip)(void);
void (*gp2x_video_flip2)(void);
void (*gp2x_video_changemode_ll)(int bpp);
void (*gp2x_video_setpalette)(int *pal, int len);
void (*gp2x_video_RGB_setscaling)(int ln_offs, int W, int H);
void (*gp2x_video_wait_vsync)(void);
void (*gp2x_set_cpuclk)(unsigned int mhz);
void (*set_lcd_custom_rate)(int is_pal);
void (*unset_lcd_custom_rate)(void);
void (*set_lcd_gamma)(int g100, int A_SNs_curve);
void (*set_ram_timings)(void);
void (*unset_ram_timings)(void);
int (*gp2x_read_battery)(void);
volatile unsigned short *memregs;
volatile unsigned int *memregl;
int memdev = -1;
unsigned int (*gp2x_get_ticks_ms)(void);
unsigned int (*gp2x_get_ticks_us)(void);
gp2x_soc_t soc_detect(void)
{
volatile unsigned short *memregs;
@ -47,26 +33,27 @@ gp2x_soc_t soc_detect(void)
static gp2x_soc_t ret = -2;
int pollux_chipname[0x30/4 + 1];
char *pollux_chipname_c = (char *)pollux_chipname;
int memdev;
int memdev_tmp;
int i;
if ((int)ret != -2)
/* already detected */
return ret;
memdev = open("/dev/mem", O_RDONLY);
if (memdev == -1)
memdev_tmp = open("/dev/mem", O_RDONLY);
if (memdev_tmp == -1)
{
perror("open(/dev/mem)");
ret = -1;
return -1;
}
memregs = mmap(0, 0x20000, PROT_READ, MAP_SHARED, memdev, 0xc0000000);
memregs = mmap(0, 0x20000, PROT_READ, MAP_SHARED,
memdev_tmp, 0xc0000000);
if (memregs == MAP_FAILED)
{
perror("mmap(memregs)");
close(memdev);
close(memdev_tmp);
ret = -1;
return -1;
}
@ -106,7 +93,7 @@ gp2x_soc_t soc_detect(void)
not_pollux_like:
out:
munmap((void *)memregs, 0x20000);
close(memdev);
close(memdev_tmp);
return ret;
}

27
gp2x/soc.h
View file

@ -1,3 +1,8 @@
extern volatile unsigned short *memregs;
extern volatile unsigned int *memregl;
extern int memdev;
typedef enum {
SOCID_MMSP2 = 1,
SOCID_POLLUX,
@ -11,28 +16,6 @@ void mmsp2_finish(void);
void pollux_init(void);
void pollux_finish(void);
void dummy_init(void);
void dummy_finish(void);
/* SoC specific functions */
extern void (*gp2x_video_flip)(void);
extern void (*gp2x_video_flip2)(void);
/* negative bpp means rotated mode (for Wiz) */
extern void (*gp2x_video_changemode_ll)(int bpp);
extern void (*gp2x_video_setpalette)(int *pal, int len);
extern void (*gp2x_video_RGB_setscaling)(int ln_offs, int W, int H);
extern void (*gp2x_video_wait_vsync)(void);
extern void (*gp2x_set_cpuclk)(unsigned int mhz);
extern void (*set_lcd_custom_rate)(int is_pal);
extern void (*unset_lcd_custom_rate)(void);
extern void (*set_lcd_gamma)(int g100, int A_SNs_curve);
extern void (*set_ram_timings)(void);
extern void (*unset_ram_timings)(void);
extern int (*gp2x_read_battery)(void);
/* gettimeofday is not suitable for Wiz, at least fw 1.1 or lower */
extern unsigned int (*gp2x_get_ticks_ms)(void);
extern unsigned int (*gp2x_get_ticks_us)(void);

106
gp2x/soc_dummy.c
View file

@ -1,106 +0,0 @@
/*
* (C) Gražvydas "notaz" Ignotas, 2009,2010
*
* This work is licensed under the terms of any of these licenses
* (at your option):
* - GNU GPL, version 2 or later.
* - GNU LGPL, version 2.1 or later.
* - MAME license.
* See the COPYING file in the top-level directory.
*/
/* dummy code for qemu testing, etc */
#include <stdlib.h>
#include "soc.h"
#include "../emu.h"
extern void *gp2x_screens[4];
extern unsigned int plat_get_ticks_ms_good(void);
extern unsigned int plat_get_ticks_us_good(void);
/* video stuff */
static void gp2x_video_flip_(void)
{
}
/* doulblebuffered flip */
static void gp2x_video_flip2_(void)
{
}
static void gp2x_video_changemode_ll_(int bpp)
{
}
static void gp2x_video_setpalette_(int *pal, int len)
{
}
static void gp2x_video_RGB_setscaling_(int ln_offs, int W, int H)
{
}
static void gp2x_video_wait_vsync_(void)
{
}
/* RAM timings */
static void set_ram_timings_(void)
{
}
static void unset_ram_timings_(void)
{
}
/* LCD refresh */
static void set_lcd_custom_rate_(int is_pal)
{
}
static void unset_lcd_custom_rate_(void)
{
}
static void set_lcd_gamma_(int g100, int A_SNs_curve)
{
}
static int gp2x_read_battery_(void)
{
return 0;
}
void dummy_init(void)
{
int i;
g_screen_ptr = malloc(320 * 240 * 2);
for (i = 0; i < array_size(gp2x_screens); i++)
gp2x_screens[i] = g_screen_ptr;
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_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_;
gp2x_get_ticks_ms = plat_get_ticks_ms_good;
gp2x_get_ticks_us = plat_get_ticks_us_good;
}
void dummy_finish(void)
{
free(gp2x_screens[0]);
}

296
gp2x/soc_mmsp2.c
View file

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

492
gp2x/soc_pollux.c
View file

@ -19,220 +19,44 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <linux/soundcard.h>
#include "soc.h"
#include "plat_gp2x.h"
#include "../plat.h"
volatile unsigned short *memregs;
volatile unsigned int *memregl;
int memdev = -1;
int gp2x_dev_id;
static int battdev = -1, mixerdev = -1;
static int cpu_clock_allowed;
static unsigned int saved_video_regs[2][6];
static unsigned int timer_drift; // count per real second
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#endif
// TODO FIXME: merge
#if 0
extern void *gp2x_screens[4];
#define fb_buf_count 4
static unsigned int fb_paddr[fb_buf_count];
static int fb_work_buf;
static int fbdev = -1;
static char cpuclk_was_changed = 0;
static unsigned short memtimex_old[2];
static unsigned int pllsetreg0_old;
static unsigned int timer_drift; // count per real second
static int last_pal_setting = 0;
/* misc */
static void pollux_set_fromenv(const char *env_var)
/* note: both PLLs are programmed the same way,
* the databook incorrectly states that PLL1 differs */
static int decode_pll(unsigned int reg)
{
const char *set_string;
set_string = getenv(env_var);
if (set_string)
pollux_set(memregs, set_string);
else
printf("env var %s not defined.\n", env_var);
}
long long v;
int p, m, s;
/* video stuff */
static void pollux_video_flip(int buf_count)
{
memregl[0x406C>>2] = fb_paddr[fb_work_buf];
memregl[0x4058>>2] |= 0x10;
fb_work_buf++;
if (fb_work_buf >= buf_count)
fb_work_buf = 0;
g_screen_ptr = gp2x_screens[fb_work_buf];
}
p = (reg >> 18) & 0x3f;
m = (reg >> 8) & 0x3ff;
s = reg & 0xff;
static void gp2x_video_flip_(void)
{
pollux_video_flip(fb_buf_count);
}
if (p == 0)
p = 1;
/* doulblebuffered flip */
static void gp2x_video_flip2_(void)
{
pollux_video_flip(2);
}
static void gp2x_video_changemode_ll_(int bpp)
{
static int prev_bpp = 0;
int code = 0, bytes = 2;
int rot_cmd[2] = { 0, 0 };
unsigned int r;
char buff[32];
int ret;
if (bpp == prev_bpp)
return;
prev_bpp = bpp;
printf("changemode: %dbpp rot=%d\n", abs(bpp), bpp < 0);
/* negative bpp means rotated mode */
rot_cmd[0] = (bpp < 0) ? 6 : 5;
ret = ioctl(fbdev, _IOW('D', 90, int[2]), rot_cmd);
if (ret < 0)
perror("rot ioctl failed");
memregl[0x4004>>2] = (bpp < 0) ? 0x013f00ef : 0x00ef013f;
memregl[0x4000>>2] |= 1 << 3;
/* the above ioctl resets LCD timings, so set them here */
snprintf(buff, sizeof(buff), "POLLUX_LCD_TIMINGS_%s", last_pal_setting ? "PAL" : "NTSC");
pollux_set_fromenv(buff);
switch (abs(bpp))
{
case 8:
code = 0x443a;
bytes = 1;
break;
case 15:
case 16:
code = 0x4432;
bytes = 2;
break;
default:
printf("unhandled bpp request: %d\n", abs(bpp));
return;
}
memregl[0x405c>>2] = bytes;
memregl[0x4060>>2] = bytes * (bpp < 0 ? 240 : 320);
r = memregl[0x4058>>2];
r = (r & 0xffff) | (code << 16) | 0x10;
memregl[0x4058>>2] = r;
}
static void gp2x_video_setpalette_(int *pal, int len)
{
/* pollux palette is 16bpp only.. */
int i;
for (i = 0; i < len; i++)
{
int c = pal[i];
c = ((c >> 8) & 0xf800) | ((c >> 5) & 0x07c0) | ((c >> 3) & 0x001f);
memregl[0x4070>>2] = (i << 24) | c;
}
}
static void gp2x_video_RGB_setscaling_(int ln_offs, int W, int H)
{
/* maybe a job for 3d hardware? */
}
static void gp2x_video_wait_vsync_(void)
{
while (!(memregl[0x308c>>2] & (1 << 10)))
spend_cycles(128);
memregl[0x308c>>2] |= 1 << 10;
}
/* CPU clock */
static void gp2x_set_cpuclk_(unsigned int mhz)
{
char buff[24];
snprintf(buff, sizeof(buff), "cpuclk=%u", mhz);
pollux_set(memregs, buff);
cpuclk_was_changed = 1;
}
/* RAM timings */
static void set_ram_timings_(void)
{
pollux_set_fromenv("POLLUX_RAM_TIMINGS");
}
static void unset_ram_timings_(void)
{
int i;
memregs[0x14802>>1] = memtimex_old[0];
memregs[0x14804>>1] = memtimex_old[1] | 0x8000;
for (i = 0; i < 0x100000; i++)
if (!(memregs[0x14804>>1] & 0x8000))
break;
printf("RAM timings reset to startup values.\n");
}
/* LCD refresh */
static void set_lcd_custom_rate_(int is_pal)
{
/* just remember PAL/NTSC. We always set timings in _changemode_ll() */
last_pal_setting = is_pal;
}
static void unset_lcd_custom_rate_(void)
{
}
static void set_lcd_gamma_(int g100, int A_SNs_curve)
{
/* hm, the LCD possibly can do it (but not POLLUX) */
}
static int gp2x_read_battery_(void)
{
unsigned short magic_val = 0;
if (battdev < 0)
return -1;
if (read(battdev, &magic_val, sizeof(magic_val)) != sizeof(magic_val))
return -1;
switch (magic_val) {
default:
case 1: return 100;
case 2: return 66;
case 3: return 40;
case 4: return 0;
}
v = 27000000; // master clock
v = v * m / (p << s);
return v;
}
#define TIMER_BASE3 0x1980
@ -252,6 +76,33 @@ static unsigned int gp2x_get_ticks_ms_(void)
return v64 >> 32;
}
static void timer_cleanup(void)
{
TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
TIMER_REG(0x00) = 0; /* clear counter */
TIMER_REG(0x40) = 0; /* clocks off */
TIMER_REG(0x44) = 0; /* dividers back to default */
}
static void save_multiple_regs(unsigned int *dest, int base, int count)
{
const volatile unsigned int *regs = memregl + base / 4;
int i;
for (i = 0; i < count; i++)
dest[i] = regs[i];
}
static void restore_multiple_regs(int base, const unsigned int *src, int count)
{
volatile unsigned int *regs = memregl + base / 4;
int i;
for (i = 0; i < count; i++)
regs[i] = src[i];
}
int pollux_get_real_snd_rate(int req_rate)
{
int clk0_src, clk1_src, rate, div;
@ -284,192 +135,6 @@ int pollux_get_real_snd_rate(int req_rate)
return rate;
}
void pollux_init(void)
{
struct fb_fix_screeninfo fbfix;
int i, ret, rate, timer_div;
memdev = open("/dev/mem", O_RDWR);
if (memdev == -1) {
perror("open(/dev/mem) failed");
exit(1);
}
memregs = mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
if (memregs == MAP_FAILED) {
perror("mmap(memregs) failed");
exit(1);
}
memregl = (volatile void *)memregs;
fbdev = open("/dev/fb0", O_RDWR);
if (fbdev < 0) {
perror("can't open fbdev");
exit(1);
}
ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
if (ret == -1) {
perror("ioctl(fbdev) failed");
exit(1);
}
printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start);
fb_paddr[0] = fbfix.smem_start;
gp2x_screens[0] = mmap(0, 320*240*2*fb_buf_count, PROT_READ|PROT_WRITE,
MAP_SHARED, memdev, fb_paddr[0]);
if (gp2x_screens[0] == MAP_FAILED)
{
perror("mmap(gp2x_screens) failed");
exit(1);
}
memset(gp2x_screens[0], 0, 320*240*2*fb_buf_count);
printf(" %p -> %08x\n", gp2x_screens[0], fb_paddr[0]);
for (i = 1; i < fb_buf_count; i++)
{
fb_paddr[i] = fb_paddr[i-1] + 320*240*2;
gp2x_screens[i] = (char *)gp2x_screens[i-1] + 320*240*2;
printf(" %p -> %08x\n", gp2x_screens[i], fb_paddr[i]);
}
fb_work_buf = 0;
g_screen_ptr = gp2x_screens[0];
battdev = open("/dev/pollux_batt", O_RDONLY);
if (battdev < 0)
perror("Warning: could't open pollux_batt");
/* find what PLL1 runs at, for the timer */
rate = decode_pll(memregl[0xf008>>2]);
printf("PLL1 @ %dHz\n", rate);
/* setup timer */
timer_div = (rate + 500000) / 1000000;
if (1 <= timer_div && timer_div <= 256) {
timer_drift = (rate - (timer_div * 1000000)) / timer_div;
if (TIMER_REG(0x08) & 8) {
fprintf(stderr, "warning: timer in use, overriding!\n");
timer_cleanup();
}
TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2; /* using PLL1, divide by it's rate */
TIMER_REG(0x40) = 0x0c; /* clocks on */
TIMER_REG(0x08) = 0x6b; /* run timer, clear irq, latch value */
gp2x_get_ticks_ms = gp2x_get_ticks_ms_;
gp2x_get_ticks_us = gp2x_get_ticks_us_;
}
else {
fprintf(stderr, "warning: could not make use of timer\n");
// those functions are actually not good at all on Wiz kernel
gp2x_get_ticks_ms = plat_get_ticks_ms_good;
gp2x_get_ticks_us = plat_get_ticks_us_good;
}
pllsetreg0_old = memregl[0xf004>>2];
memtimex_old[0] = memregs[0x14802>>1];
memtimex_old[1] = memregs[0x14804>>1];
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_;
/* some firmwares have sys clk on PLL0, we can't adjust CPU clock
* by reprogramming the PLL0 then, as it overclocks system bus */
if ((memregl[0xf000>>2] & 0x03000030) == 0x01000000)
gp2x_set_cpuclk = gp2x_set_cpuclk_;
else {
fprintf(stderr, "unexpected PLL config (%08x), overclocking disabled\n",
memregl[0xf000>>2]);
gp2x_set_cpuclk = NULL;
}
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_;
}
void pollux_finish(void)
{
/* switch to default fb mem, turn portrait off */
memregl[0x406C>>2] = fb_paddr[0];
memregl[0x4058>>2] |= 0x10;
close(fbdev);
gp2x_video_changemode_ll_(16);
unset_ram_timings_();
if (cpuclk_was_changed) {
memregl[0xf004>>2] = pllsetreg0_old;
memregl[0xf07c>>2] |= 0x8000;
}
timer_cleanup();
munmap((void *)memregs, 0x20000);
close(memdev);
if (battdev >= 0)
close(battdev);
}
#endif
/* note: both PLLs are programmed the same way,
* the databook incorrectly states that PLL1 differs */
static int decode_pll(unsigned int reg)
{
long long v;
int p, m, s;
p = (reg >> 18) & 0x3f;
m = (reg >> 8) & 0x3ff;
s = reg & 0xff;
if (p == 0)
p = 1;
v = 27000000; // master clock
v = v * m / (p << s);
return v;
}
#define TIMER_BASE3 0x1980
#define TIMER_REG(x) memregl[(TIMER_BASE3 + x) >> 2]
static void timer_cleanup(void)
{
TIMER_REG(0x40) = 0x0c; /* be sure clocks are on */
TIMER_REG(0x08) = 0x23; /* stop the timer, clear irq in case it's pending */
TIMER_REG(0x00) = 0; /* clear counter */
TIMER_REG(0x40) = 0; /* clocks off */
TIMER_REG(0x44) = 0; /* dividers back to default */
}
static void save_multiple_regs(unsigned int *dest, int base, int count)
{
const volatile unsigned int *regs = memregl + base / 4;
int i;
for (i = 0; i < count; i++)
dest[i] = regs[i];
}
static void restore_multiple_regs(int base, const unsigned int *src, int count)
{
volatile unsigned int *regs = memregl + base / 4;
int i;
for (i = 0; i < count; i++)
regs[i] = src[i];
}
/* newer API */
static int pollux_cpu_clock_get(void)
{
@ -527,44 +192,34 @@ static int pollux_bat_capacity_get(void)
}
}
static int step_volume(int is_up)
static int step_volume(int *volume, int diff)
{
static int volume = 50;
int ret, val;
if (mixerdev < 0)
return -1;
if (is_up) {
volume += 5;
if (volume > 255) volume = 255;
}
else {
volume -= 5;
if (volume < 0) volume = 0;
}
val = volume;
*volume += diff;
if (*volume > 255)
*volume = 255;
else if (*volume < 0)
*volume = 0;
val = *volume;
val |= val << 8;
ret = ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &val);
if (ret == -1)
if (ret == -1) {
perror("WRITE_PCM");
return ret;
}
return ret;
return 0;
}
struct plat_target plat_target = {
pollux_cpu_clock_get,
pollux_cpu_clock_set,
pollux_bat_capacity_get,
.step_volume = step_volume,
};
int plat_target_init(void)
void pollux_init(void)
{
int rate, timer_div, timer_div2;
FILE *f;
memdev = open("/dev/mem", O_RDWR);
if (memdev == -1) {
@ -611,45 +266,42 @@ int plat_target_init(void)
fprintf(stderr, "warning: timer in use, overriding!\n");
timer_cleanup();
}
if (timer_rate != 1000000)
fprintf(stderr, "warning: timer drift %d us\n", timer_rate - 1000000);
timer_drift = timer_rate - 1000000;
if (timer_drift != 0)
fprintf(stderr, "warning: timer drift %d us\n",
timer_drift);
timer_div2 = (timer_div2 + 3) & 3;
TIMER_REG(0x44) = ((timer_div - 1) << 4) | 2; /* using PLL1 */
TIMER_REG(0x40) = 0x0c; /* clocks on */
TIMER_REG(0x08) = 0x68 | timer_div2; /* run timer, clear irq, latch value */
}
else
else {
fprintf(stderr, "warning: could not make use of timer\n");
// those functions are actually not good at all on Wiz kernel
gp2x_get_ticks_ms = plat_get_ticks_ms_good;
gp2x_get_ticks_us = plat_get_ticks_us_good;
}
battdev = open("/dev/pollux_batt", O_RDONLY);
if (battdev < 0)
perror("Warning: could't open pollux_batt");
f = fopen("/dev/accel", "rb");
if (f) {
printf("detected Caanoo\n");
gp2x_dev_id = GP2X_DEV_CAANOO;
fclose(f);
}
else {
printf("detected Wiz\n");
gp2x_dev_id = GP2X_DEV_WIZ;
}
mixerdev = open("/dev/mixer", O_RDWR);
if (mixerdev == -1)
perror("open(/dev/mixer)");
return 0;
plat_target.cpu_clock_get = pollux_cpu_clock_get;
plat_target.cpu_clock_set = pollux_cpu_clock_set;
plat_target.bat_capacity_get = pollux_bat_capacity_get;
plat_target.step_volume = step_volume;
gp2x_get_ticks_ms = gp2x_get_ticks_ms_;
gp2x_get_ticks_us = gp2x_get_ticks_us_;
}
/* to be called after in_probe */
void plat_target_setup_input(void)
{
}
void plat_target_finish(void)
void pollux_finish(void)
{
timer_cleanup();

3
input.c
View file

@ -60,7 +60,8 @@ static int *in_alloc_binds(int drv_id, int key_count)
defbinds = DRV(drv_id).defbinds;
if (defbinds != NULL) {
for (i = 0; ; i++) {
if (defbinds[i].bit == 0 && defbinds[i].code == 0)
if (defbinds[i].bit == 0 && defbinds[i].btype == 0
&& defbinds[i].bit == 0)
break;
binds[IN_BIND_OFFS(defbinds[i].code, defbinds[i].btype)] =
1 << defbinds[i].bit;

5
linux/sndout_oss.c
View file

@ -41,6 +41,11 @@ int sndout_oss_init(void)
void sndout_oss_stop(void)
{
#ifdef __GP2X__
/* restarting audio on GP2X causes trouble */
return;
#endif
if (sounddev < 0)
return;

5
menu.h
View file

@ -88,8 +88,11 @@ typedef struct
#define mee_onoff_cust(name, id, var, mask, name_func) \
{ name, MB_OPT_CUSTONOFF, id, &(var), mask, 0, 0, 1, 1, 1, NULL, name_func, NULL, NULL }
#define mee_range_cust_h(name, id, var, min, max, name_func, help) \
{ name, MB_OPT_CUSTRANGE, id, &(var), 0, min, max, 1, 1, 1, NULL, name_func, NULL, help }
#define mee_range_cust(name, id, var, min, max, name_func) \
{ name, MB_OPT_CUSTRANGE, id, &(var), 0, min, max, 1, 1, 1, NULL, name_func, NULL, NULL }
mee_range_cust_h(name, id, var, min, max, name_func, NULL)
#define mee_enum_h(name, id, var, names_list, help) \
{ name, MB_OPT_ENUM, id, &(var), 0, 0, 0, 1, 1, 1, NULL, NULL, names_list, help }

6
plat.h
View file

@ -15,7 +15,7 @@ struct plat_target {
int (*hwfilter_set)(int which);
int (*lcdrate_set)(int is_pal);
int (*gamma_set)(int val, int black_level);
int (*step_volume)(int is_up);
int (*step_volume)(int *volume, int diff);
const char **vout_methods;
int vout_method;
int vout_fullscreen;
@ -76,10 +76,10 @@ static __inline int plat_target_gamma_set(int val, int black_level)
}
/* step sound volume up or down */
static __inline int plat_target_step_volume(int is_up)
static __inline int plat_target_step_volume(int *volume, int diff)
{
if (plat_target.step_volume)
return plat_target.step_volume(is_up);
return plat_target.step_volume(volume, diff);
return -1;
}