diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/devices.h | 3 | ||||
| -rw-r--r-- | hw/r2d.c | 12 | ||||
| -rw-r--r-- | hw/sm501.c | 1129 | ||||
| -rw-r--r-- | hw/sm501_template.h | 104 |
4 files changed, 1246 insertions, 2 deletions
diff --git a/hw/devices.h b/hw/devices.h index 9572a63337..4f872611ac 100644 --- a/hw/devices.h +++ b/hw/devices.h @@ -73,4 +73,7 @@ void tc6393xb_gpio_out_set(struct tc6393xb_s *s, int line, qemu_irq *tc6393xb_gpio_in_get(struct tc6393xb_s *s); qemu_irq tc6393xb_l3v_get(struct tc6393xb_s *s); +/* sm501.c */ +void sm501_init(DisplayState *ds, uint32_t base, unsigned long local_mem_base, + uint32_t local_mem_bytes, CharDriverState *chr); #endif @@ -25,12 +25,15 @@ #include "hw.h" #include "sh.h" +#include "devices.h" #include "sysemu.h" #include "boards.h" #define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */ #define SDRAM_SIZE 0x04000000 +#define SM501_VRAM_SIZE 0x800000 + #define PA_POWOFF 0x30 #define PA_VERREG 0x32 #define PA_OUTPORT 0x36 @@ -133,6 +136,7 @@ static void r2d_init(ram_addr_t ram_size, int vga_ram_size, { CPUState *env; struct SH7750State *s; + ram_addr_t sdram_addr, sm501_vga_ram_addr; if (!cpu_model) cpu_model = "SH7751R"; @@ -144,10 +148,14 @@ static void r2d_init(ram_addr_t ram_size, int vga_ram_size, } /* Allocate memory space */ - cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, 0); + sdram_addr = qemu_ram_alloc(SDRAM_SIZE); + cpu_register_physical_memory(SDRAM_BASE, SDRAM_SIZE, sdram_addr); /* Register peripherals */ r2d_fpga_init(0x04000000); s = sh7750_init(env); + sm501_vga_ram_addr = qemu_ram_alloc(SM501_VRAM_SIZE); + sm501_init(ds, 0x10000000, sm501_vga_ram_addr, SM501_VRAM_SIZE, + serial_hds[2]); /* Todo: register on board registers */ { int kernel_size; @@ -167,5 +175,5 @@ QEMUMachine r2d_machine = { .name = "r2d", .desc = "r2d-plus board", .init = r2d_init, - .ram_require = SDRAM_SIZE | RAMSIZE_FIXED, + .ram_require = (SDRAM_SIZE + SM501_VRAM_SIZE) | RAMSIZE_FIXED, }; diff --git a/hw/sm501.c b/hw/sm501.c new file mode 100644 index 0000000000..64d5731e46 --- /dev/null +++ b/hw/sm501.c @@ -0,0 +1,1129 @@ +/* + * QEMU SM501 Device + * + * Copyright (c) 2008 Shin-ichiro KAWASAKI + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <stdio.h> +#include <assert.h> +#include "hw.h" +#include "pc.h" +#include "console.h" + +/* + * Status: 2008/11/02 + * - Minimum implementation for Linux console : mmio regs and CRT layer. + * - Always updates full screen. + * + * TODO: + * - Panel support + * - Hardware cursor support + * - Touch panel support + * - USB support + * - UART support + * - Performance tuning + */ + +//#define DEBUG_SM501 +//#define DEBUG_BITBLT + +#ifdef DEBUG_SM501 +#define SM501_DPRINTF(fmt...) printf(fmt) +#else +#define SM501_DPRINTF(fmt...) do {} while(0) +#endif + + +#define MMIO_BASE_OFFSET 0x3e00000 + +/* SM501 register definitions taken from "linux/include/linux/sm501-regs.h" */ + +/* System Configuration area */ +/* System config base */ +#define SM501_SYS_CONFIG (0x000000) + +/* config 1 */ +#define SM501_SYSTEM_CONTROL (0x000000) + +#define SM501_SYSCTRL_PANEL_TRISTATE (1<<0) +#define SM501_SYSCTRL_MEM_TRISTATE (1<<1) +#define SM501_SYSCTRL_CRT_TRISTATE (1<<2) + +#define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK (3<<4) +#define SM501_SYSCTRL_PCI_SLAVE_BURST_1 (0<<4) +#define SM501_SYSCTRL_PCI_SLAVE_BURST_2 (1<<4) +#define SM501_SYSCTRL_PCI_SLAVE_BURST_4 (2<<4) +#define SM501_SYSCTRL_PCI_SLAVE_BURST_8 (3<<4) + +#define SM501_SYSCTRL_PCI_CLOCK_RUN_EN (1<<6) +#define SM501_SYSCTRL_PCI_RETRY_DISABLE (1<<7) +#define SM501_SYSCTRL_PCI_SUBSYS_LOCK (1<<11) +#define SM501_SYSCTRL_PCI_BURST_READ_EN (1<<15) + +/* miscellaneous control */ + +#define SM501_MISC_CONTROL (0x000004) + +#define SM501_MISC_BUS_SH (0x0) +#define SM501_MISC_BUS_PCI (0x1) +#define SM501_MISC_BUS_XSCALE (0x2) +#define SM501_MISC_BUS_NEC (0x6) +#define SM501_MISC_BUS_MASK (0x7) + +#define SM501_MISC_VR_62MB (1<<3) +#define SM501_MISC_CDR_RESET (1<<7) +#define SM501_MISC_USB_LB (1<<8) +#define SM501_MISC_USB_SLAVE (1<<9) +#define SM501_MISC_BL_1 (1<<10) +#define SM501_MISC_MC (1<<11) +#define SM501_MISC_DAC_POWER (1<<12) +#define SM501_MISC_IRQ_INVERT (1<<16) +#define SM501_MISC_SH (1<<17) + +#define SM501_MISC_HOLD_EMPTY (0<<18) +#define SM501_MISC_HOLD_8 (1<<18) +#define SM501_MISC_HOLD_16 (2<<18) +#define SM501_MISC_HOLD_24 (3<<18) +#define SM501_MISC_HOLD_32 (4<<18) +#define SM501_MISC_HOLD_MASK (7<<18) + +#define SM501_MISC_FREQ_12 (1<<24) +#define SM501_MISC_PNL_24BIT (1<<25) +#define SM501_MISC_8051_LE (1<<26) + + + +#define SM501_GPIO31_0_CONTROL (0x000008) +#define SM501_GPIO63_32_CONTROL (0x00000C) +#define SM501_DRAM_CONTROL (0x000010) + +/* command list */ +#define SM501_ARBTRTN_CONTROL (0x000014) + +/* command list */ +#define SM501_COMMAND_LIST_STATUS (0x000024) + +/* interrupt debug */ +#define SM501_RAW_IRQ_STATUS (0x000028) +#define SM501_RAW_IRQ_CLEAR (0x000028) +#define SM501_IRQ_STATUS (0x00002C) +#define SM501_IRQ_MASK (0x000030) +#define SM501_DEBUG_CONTROL (0x000034) + +/* power management */ +#define SM501_POWERMODE_P2X_SRC (1<<29) +#define SM501_POWERMODE_V2X_SRC (1<<20) +#define SM501_POWERMODE_M_SRC (1<<12) +#define SM501_POWERMODE_M1_SRC (1<<4) + +#define SM501_CURRENT_GATE (0x000038) +#define SM501_CURRENT_CLOCK (0x00003C) +#define SM501_POWER_MODE_0_GATE (0x000040) +#define SM501_POWER_MODE_0_CLOCK (0x000044) +#define SM501_POWER_MODE_1_GATE (0x000048) +#define SM501_POWER_MODE_1_CLOCK (0x00004C) +#define SM501_SLEEP_MODE_GATE (0x000050) +#define SM501_POWER_MODE_CONTROL (0x000054) + +/* power gates for units within the 501 */ +#define SM501_GATE_HOST (0) +#define SM501_GATE_MEMORY (1) +#define SM501_GATE_DISPLAY (2) +#define SM501_GATE_2D_ENGINE (3) +#define SM501_GATE_CSC (4) +#define SM501_GATE_ZVPORT (5) +#define SM501_GATE_GPIO (6) +#define SM501_GATE_UART0 (7) +#define SM501_GATE_UART1 (8) +#define SM501_GATE_SSP (10) +#define SM501_GATE_USB_HOST (11) +#define SM501_GATE_USB_GADGET (12) +#define SM501_GATE_UCONTROLLER (17) +#define SM501_GATE_AC97 (18) + +/* panel clock */ +#define SM501_CLOCK_P2XCLK (24) +/* crt clock */ +#define SM501_CLOCK_V2XCLK (16) +/* main clock */ +#define SM501_CLOCK_MCLK (8) +/* SDRAM controller clock */ +#define SM501_CLOCK_M1XCLK (0) + +/* config 2 */ +#define SM501_PCI_MASTER_BASE (0x000058) +#define SM501_ENDIAN_CONTROL (0x00005C) +#define SM501_DEVICEID (0x000060) +/* 0x050100A0 */ + +#define SM501_DEVICEID_SM501 (0x05010000) +#define SM501_DEVICEID_IDMASK (0xffff0000) +#define SM501_DEVICEID_REVMASK (0x000000ff) + +#define SM501_PLLCLOCK_COUNT (0x000064) +#define SM501_MISC_TIMING (0x000068) +#define SM501_CURRENT_SDRAM_CLOCK (0x00006C) + +#define SM501_PROGRAMMABLE_PLL_CONTROL (0x000074) + +/* GPIO base */ +#define SM501_GPIO (0x010000) +#define SM501_GPIO_DATA_LOW (0x00) +#define SM501_GPIO_DATA_HIGH (0x04) +#define SM501_GPIO_DDR_LOW (0x08) +#define SM501_GPIO_DDR_HIGH (0x0C) +#define SM501_GPIO_IRQ_SETUP (0x10) +#define SM501_GPIO_IRQ_STATUS (0x14) +#define SM501_GPIO_IRQ_RESET (0x14) + +/* I2C controller base */ +#define SM501_I2C (0x010040) +#define SM501_I2C_BYTE_COUNT (0x00) +#define SM501_I2C_CONTROL (0x01) +#define SM501_I2C_STATUS (0x02) +#define SM501_I2C_RESET (0x02) +#define SM501_I2C_SLAVE_ADDRESS (0x03) +#define SM501_I2C_DATA (0x04) + +/* SSP base */ +#define SM501_SSP (0x020000) + +/* Uart 0 base */ +#define SM501_UART0 (0x030000) + +/* Uart 1 base */ +#define SM501_UART1 (0x030020) + +/* USB host port base */ +#define SM501_USB_HOST (0x040000) + +/* USB slave/gadget base */ +#define SM501_USB_GADGET (0x060000) + +/* USB slave/gadget data port base */ +#define SM501_USB_GADGET_DATA (0x070000) + +/* Display controller/video engine base */ +#define SM501_DC (0x080000) + +/* common defines for the SM501 address registers */ +#define SM501_ADDR_FLIP (1<<31) +#define SM501_ADDR_EXT (1<<27) +#define SM501_ADDR_CS1 (1<<26) +#define SM501_ADDR_MASK (0x3f << 26) + +#define SM501_FIFO_MASK (0x3 << 16) +#define SM501_FIFO_1 (0x0 << 16) +#define SM501_FIFO_3 (0x1 << 16) +#define SM501_FIFO_7 (0x2 << 16) +#define SM501_FIFO_11 (0x3 << 16) + +/* common registers for panel and the crt */ +#define SM501_OFF_DC_H_TOT (0x000) +#define SM501_OFF_DC_V_TOT (0x008) +#define SM501_OFF_DC_H_SYNC (0x004) +#define SM501_OFF_DC_V_SYNC (0x00C) + +#define SM501_DC_PANEL_CONTROL (0x000) + +#define SM501_DC_PANEL_CONTROL_FPEN (1<<27) +#define SM501_DC_PANEL_CONTROL_BIAS (1<<26) +#define SM501_DC_PANEL_CONTROL_DATA (1<<25) +#define SM501_DC_PANEL_CONTROL_VDD (1<<24) +#define SM501_DC_PANEL_CONTROL_DP (1<<23) + +#define SM501_DC_PANEL_CONTROL_TFT_888 (0<<21) +#define SM501_DC_PANEL_CONTROL_TFT_333 (1<<21) +#define SM501_DC_PANEL_CONTROL_TFT_444 (2<<21) + +#define SM501_DC_PANEL_CONTROL_DE (1<<20) + +#define SM501_DC_PANEL_CONTROL_LCD_TFT (0<<18) +#define SM501_DC_PANEL_CONTROL_LCD_STN8 (1<<18) +#define SM501_DC_PANEL_CONTROL_LCD_STN12 (2<<18) + +#define SM501_DC_PANEL_CONTROL_CP (1<<14) +#define SM501_DC_PANEL_CONTROL_VSP (1<<13) +#define SM501_DC_PANEL_CONTROL_HSP (1<<12) +#define SM501_DC_PANEL_CONTROL_CK (1<<9) +#define SM501_DC_PANEL_CONTROL_TE (1<<8) +#define SM501_DC_PANEL_CONTROL_VPD (1<<7) +#define SM501_DC_PANEL_CONTROL_VP (1<<6) +#define SM501_DC_PANEL_CONTROL_HPD (1<<5) +#define SM501_DC_PANEL_CONTROL_HP (1<<4) +#define SM501_DC_PANEL_CONTROL_GAMMA (1<<3) +#define SM501_DC_PANEL_CONTROL_EN (1<<2) + +#define SM501_DC_PANEL_CONTROL_8BPP (0<<0) +#define SM501_DC_PANEL_CONTROL_16BPP (1<<0) +#define SM501_DC_PANEL_CONTROL_32BPP (2<<0) + + +#define SM501_DC_PANEL_PANNING_CONTROL (0x004) +#define SM501_DC_PANEL_COLOR_KEY (0x008) +#define SM501_DC_PANEL_FB_ADDR (0x00C) +#define SM501_DC_PANEL_FB_OFFSET (0x010) +#define SM501_DC_PANEL_FB_WIDTH (0x014) +#define SM501_DC_PANEL_FB_HEIGHT (0x018) +#define SM501_DC_PANEL_TL_LOC (0x01C) +#define SM501_DC_PANEL_BR_LOC (0x020) +#define SM501_DC_PANEL_H_TOT (0x024) +#define SM501_DC_PANEL_H_SYNC (0x028) +#define SM501_DC_PANEL_V_TOT (0x02C) +#define SM501_DC_PANEL_V_SYNC (0x030) +#define SM501_DC_PANEL_CUR_LINE (0x034) + +#define SM501_DC_VIDEO_CONTROL (0x040) +#define SM501_DC_VIDEO_FB0_ADDR (0x044) +#define SM501_DC_VIDEO_FB_WIDTH (0x048) +#define SM501_DC_VIDEO_FB0_LAST_ADDR (0x04C) +#define SM501_DC_VIDEO_TL_LOC (0x050) +#define SM501_DC_VIDEO_BR_LOC (0x054) +#define SM501_DC_VIDEO_SCALE (0x058) +#define SM501_DC_VIDEO_INIT_SCALE (0x05C) +#define SM501_DC_VIDEO_YUV_CONSTANTS (0x060) +#define SM501_DC_VIDEO_FB1_ADDR (0x064) +#define SM501_DC_VIDEO_FB1_LAST_ADDR (0x068) + +#define SM501_DC_VIDEO_ALPHA_CONTROL (0x080) +#define SM501_DC_VIDEO_ALPHA_FB_ADDR (0x084) +#define SM501_DC_VIDEO_ALPHA_FB_OFFSET (0x088) +#define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR (0x08C) +#define SM501_DC_VIDEO_ALPHA_TL_LOC (0x090) +#define SM501_DC_VIDEO_ALPHA_BR_LOC (0x094) +#define SM501_DC_VIDEO_ALPHA_SCALE (0x098) +#define SM501_DC_VIDEO_ALPHA_INIT_SCALE (0x09C) +#define SM501_DC_VIDEO_ALPHA_CHROMA_KEY (0x0A0) +#define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP (0x0A4) + +#define SM501_DC_PANEL_HWC_BASE (0x0F0) +#define SM501_DC_PANEL_HWC_ADDR (0x0F0) +#define SM501_DC_PANEL_HWC_LOC (0x0F4) +#define SM501_DC_PANEL_HWC_COLOR_1_2 (0x0F8) +#define SM501_DC_PANEL_HWC_COLOR_3 (0x0FC) + +#define SM501_HWC_EN (1<<31) + +#define SM501_OFF_HWC_ADDR (0x00) +#define SM501_OFF_HWC_LOC (0x04) +#define SM501_OFF_HWC_COLOR_1_2 (0x08) +#define SM501_OFF_HWC_COLOR_3 (0x0C) + +#define SM501_DC_ALPHA_CONTROL (0x100) +#define SM501_DC_ALPHA_FB_ADDR (0x104) +#define SM501_DC_ALPHA_FB_OFFSET (0x108) +#define SM501_DC_ALPHA_TL_LOC (0x10C) +#define SM501_DC_ALPHA_BR_LOC (0x110) +#define SM501_DC_ALPHA_CHROMA_KEY (0x114) +#define SM501_DC_ALPHA_COLOR_LOOKUP (0x118) + +#define SM501_DC_CRT_CONTROL (0x200) + +#define SM501_DC_CRT_CONTROL_TVP (1<<15) +#define SM501_DC_CRT_CONTROL_CP (1<<14) +#define SM501_DC_CRT_CONTROL_VSP (1<<13) +#define SM501_DC_CRT_CONTROL_HSP (1<<12) +#define SM501_DC_CRT_CONTROL_VS (1<<11) +#define SM501_DC_CRT_CONTROL_BLANK (1<<10) +#define SM501_DC_CRT_CONTROL_SEL (1<<9) +#define SM501_DC_CRT_CONTROL_TE (1<<8) +#define SM501_DC_CRT_CONTROL_PIXEL_MASK (0xF << 4) +#define SM501_DC_CRT_CONTROL_GAMMA (1<<3) +#define SM501_DC_CRT_CONTROL_ENABLE (1<<2) + +#define SM501_DC_CRT_CONTROL_8BPP (0<<0) +#define SM501_DC_CRT_CONTROL_16BPP (1<<0) +#define SM501_DC_CRT_CONTROL_32BPP (2<<0) + +#define SM501_DC_CRT_FB_ADDR (0x204) +#define SM501_DC_CRT_FB_OFFSET (0x208) +#define SM501_DC_CRT_H_TOT (0x20C) +#define SM501_DC_CRT_H_SYNC (0x210) +#define SM501_DC_CRT_V_TOT (0x214) +#define SM501_DC_CRT_V_SYNC (0x218) +#define SM501_DC_CRT_SIGNATURE_ANALYZER (0x21C) +#define SM501_DC_CRT_CUR_LINE (0x220) +#define SM501_DC_CRT_MONITOR_DETECT (0x224) + +#define SM501_DC_CRT_HWC_BASE (0x230) +#define SM501_DC_CRT_HWC_ADDR (0x230) +#define SM501_DC_CRT_HWC_LOC (0x234) +#define SM501_DC_CRT_HWC_COLOR_1_2 (0x238) +#define SM501_DC_CRT_HWC_COLOR_3 (0x23C) + +#define SM501_DC_PANEL_PALETTE (0x400) + +#define SM501_DC_VIDEO_PALETTE (0x800) + +#define SM501_DC_CRT_PALETTE (0xC00) + +/* Zoom Video port base */ +#define SM501_ZVPORT (0x090000) + +/* AC97/I2S base */ +#define SM501_AC97 (0x0A0000) + +/* 8051 micro controller base */ +#define SM501_UCONTROLLER (0x0B0000) + +/* 8051 micro controller SRAM base */ +#define SM501_UCONTROLLER_SRAM (0x0C0000) + +/* DMA base */ +#define SM501_DMA (0x0D0000) + +/* 2d engine base */ +#define SM501_2D_ENGINE (0x100000) +#define SM501_2D_SOURCE (0x00) +#define SM501_2D_DESTINATION (0x04) +#define SM501_2D_DIMENSION (0x08) +#define SM501_2D_CONTROL (0x0C) +#define SM501_2D_PITCH (0x10) +#define SM501_2D_FOREGROUND (0x14) +#define SM501_2D_BACKGROUND (0x18) +#define SM501_2D_STRETCH (0x1C) +#define SM501_2D_COLOR_COMPARE (0x20) +#define SM501_2D_COLOR_COMPARE_MASK (0x24) +#define SM501_2D_MASK (0x28) +#define SM501_2D_CLIP_TL (0x2C) +#define SM501_2D_CLIP_BR (0x30) +#define SM501_2D_MONO_PATTERN_LOW (0x34) +#define SM501_2D_MONO_PATTERN_HIGH (0x38) +#define SM501_2D_WINDOW_WIDTH (0x3C) +#define SM501_2D_SOURCE_BASE (0x40) +#define SM501_2D_DESTINATION_BASE (0x44) +#define SM501_2D_ALPHA (0x48) +#define SM501_2D_WRAP (0x4C) +#define SM501_2D_STATUS (0x50) + +#define SM501_CSC_Y_SOURCE_BASE (0xC8) +#define SM501_CSC_CONSTANTS (0xCC) +#define SM501_CSC_Y_SOURCE_X (0xD0) +#define SM501_CSC_Y_SOURCE_Y (0xD4) +#define SM501_CSC_U_SOURCE_BASE (0xD8) +#define SM501_CSC_V_SOURCE_BASE (0xDC) +#define SM501_CSC_SOURCE_DIMENSION (0xE0) +#define SM501_CSC_SOURCE_PITCH (0xE4) +#define SM501_CSC_DESTINATION (0xE8) +#define SM501_CSC_DESTINATION_DIMENSION (0xEC) +#define SM501_CSC_DESTINATION_PITCH (0xF0) +#define SM501_CSC_SCALE_FACTOR (0xF4) +#define SM501_CSC_DESTINATION_BASE (0xF8) +#define SM501_CSC_CONTROL (0xFC) + +/* 2d engine data port base */ +#define SM501_2D_ENGINE_DATA (0x110000) + +/* end of register definitions */ + + +/* SM501 local memory size taken from "linux/drivers/mfd/sm501.c" */ +static const uint32_t sm501_mem_local_size[] = { + [0] = 4*1024*1024, + [1] = 8*1024*1024, + [2] = 16*1024*1024, + [3] = 32*1024*1024, + [4] = 64*1024*1024, + [5] = 2*1024*1024, +}; +#define get_local_mem_size(s) sm501_mem_local_size[(s)->local_mem_size_index] + +typedef struct SM501State { + /* graphic console status */ + DisplayState *ds; + QEMUConsole *console; + + /* status & internal resources */ + target_phys_addr_t base; + uint32_t local_mem_size_index; + uint8_t * local_mem; + uint32_t last_width; + uint32_t last_height; + + /* mmio registers */ + uint32_t system_control; + uint32_t misc_control; + uint32_t gpio_31_0_control; + uint32_t gpio_63_32_control; + uint32_t dram_control; + uint32_t irq_mask; + uint32_t misc_timing; + uint32_t power_mode_control; + + uint32_t uart0_ier; + uint32_t uart0_lcr; + uint32_t uart0_mcr; + uint32_t uart0_scr; + + uint8_t dc_palette[0x400 * 3]; + + uint32_t dc_panel_control; + uint32_t dc_panel_panning_control; + uint32_t dc_panel_fb_addr; + uint32_t dc_panel_fb_offset; + uint32_t dc_panel_fb_width; + uint32_t dc_panel_fb_height; + uint32_t dc_panel_tl_location; + uint32_t dc_panel_br_location; + uint32_t dc_panel_h_total; + uint32_t dc_panel_h_sync; + uint32_t dc_panel_v_total; + uint32_t dc_panel_v_sync; + + uint32_t dc_panel_hwc_addr; + uint32_t dc_panel_hwc_location; + uint32_t dc_panel_hwc_color_1_2; + uint32_t dc_panel_hwc_color_3; + + uint32_t dc_crt_control; + uint32_t dc_crt_fb_addr; + uint32_t dc_crt_fb_offset; + uint32_t dc_crt_h_total; + uint32_t dc_crt_h_sync; + uint32_t dc_crt_v_total; + uint32_t dc_crt_v_sync; + + uint32_t dc_crt_hwc_addr; + uint32_t dc_crt_hwc_location; + uint32_t dc_crt_hwc_color_1_2; + uint32_t dc_crt_hwc_color_3; + +} SM501State; + +static uint32_t get_local_mem_size_index(uint32_t size) +{ + uint32_t norm_size = 0; + int i, index = 0; + + for (i = 0; i < sizeof(sm501_mem_local_size)/sizeof(uint32_t); i++) { + uint32_t new_size = sm501_mem_local_size[i]; + if (new_size >= size) { + if (norm_size == 0 || norm_size > new_size) { + norm_size = new_size; + index = i; + } + } + } + + return index; +} + +static uint32_t sm501_system_config_read(void *opaque, target_phys_addr_t addr) +{ + SM501State * s = (SM501State *)opaque; + uint32_t offset = addr - (s->base + MMIO_BASE_OFFSET); + uint32_t ret = 0; + SM501_DPRINTF("sm501 system config regs : read addr=%x, offset=%x\n", + addr, offset); + + switch(offset) { + case SM501_SYSTEM_CONTROL: + ret = s->system_control; + break; + case SM501_MISC_CONTROL: + ret = s->misc_control; + break; + case SM501_GPIO31_0_CONTROL: + ret = s->gpio_31_0_control; + break; + case SM501_GPIO63_32_CONTROL: + ret = s->gpio_63_32_control; + break; + case SM501_DEVICEID: + ret = 0x050100A0; + break; + case SM501_DRAM_CONTROL: + ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13; + break; + case SM501_IRQ_MASK: + ret = s->irq_mask; + break; + case SM501_MISC_TIMING: + /* TODO : simulate gate control */ + ret = s->misc_timing; + break; + case SM501_CURRENT_GATE: + /* TODO : simulate gate control */ + ret = 0x00021807; + break; + case SM501_CURRENT_CLOCK: + ret = 0x2A1A0A09; + break; + case SM501_POWER_MODE_CONTROL: + ret = s->power_mode_control; + break; + + default: + printf("sm501 system config : not implemented register read." + " addr=%x, offset=%x\n", addr, offset); + assert(0); + } + + return ret; +} + +static void sm501_system_config_write(void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + SM501State * s = (SM501State *)opaque; + uint32_t offset = addr - (s->base + MMIO_BASE_OFFSET); + SM501_DPRINTF("sm501 system config regs : write addr=%x, ofs=%x, val=%x\n", + addr, offset, value); + + switch(offset) { + case SM501_SYSTEM_CONTROL: + s->system_control = value & 0xE300B8F7; + break; + case SM501_MISC_CONTROL: + s->misc_control = value & 0xFF7FFF20; + break; + case SM501_GPIO31_0_CONTROL: + s->gpio_31_0_control = value; + break; + case SM501_GPIO63_32_CONTROL: + s->gpio_63_32_control = value; + break; + case SM501_DRAM_CONTROL: + s->local_mem_size_index = (value >> 13) & 0x7; + /* rODO : check validity of size change */ + s->dram_control |= value & 0x7FFFFFC3; + break; + case SM501_IRQ_MASK: + s->irq_mask = value; + break; + case SM501_MISC_TIMING: + s->misc_timing = value & 0xF31F1FFF; + break; + case SM501_POWER_MODE_0_GATE: + case SM501_POWER_MODE_1_GATE: + case SM501_POWER_MODE_0_CLOCK: + case SM501_POWER_MODE_1_CLOCK: + /* TODO : simulate gate & clock control */ + break; + case SM501_POWER_MODE_CONTROL: + s->power_mode_control = value & 0x00000003; + break; + + default: + printf("sm501 system config : not implemented register write." + " addr=%x, val=%x\n", addr, value); + assert(0); + } +} + +static CPUReadMemoryFunc *sm501_system_config_readfn[] = { + NULL, + NULL, + &sm501_system_config_read, +}; + +static CPUWriteMemoryFunc *sm501_system_config_writefn[] = { + NULL, + NULL, + &sm501_system_config_write, +}; + +static uint32_t sm501_disp_ctrl_read(void *opaque, + target_phys_addr_t addr) +{ + SM501State * s = (SM501State *)opaque; + uint32_t offset = addr - (s->base + MMIO_BASE_OFFSET + SM501_DC); + uint32_t ret = 0; + SM501_DPRINTF("sm501 disp ctrl regs : read addr=%x, offset=%x\n", + addr, offset); + + switch(offset) { + + case SM501_DC_PANEL_CONTROL: + ret = s->dc_panel_control; + break; + case SM501_DC_PANEL_PANNING_CONTROL: + ret = s->dc_panel_panning_control; + break; + case SM501_DC_PANEL_FB_ADDR: + ret = s->dc_panel_fb_addr; + break; + case SM501_DC_PANEL_FB_OFFSET: + ret = s->dc_panel_fb_offset; + break; + case SM501_DC_PANEL_FB_WIDTH: + ret = s->dc_panel_fb_width; + break; + case SM501_DC_PANEL_FB_HEIGHT: + ret = s->dc_panel_fb_height; + break; + case SM501_DC_PANEL_TL_LOC: + ret = s->dc_panel_tl_location; + break; + case SM501_DC_PANEL_BR_LOC: + ret = s->dc_panel_br_location; + break; + + case SM501_DC_PANEL_H_TOT: + ret = s->dc_panel_h_total; + break; + case SM501_DC_PANEL_H_SYNC: + ret = s->dc_panel_h_sync; + break; + case SM501_DC_PANEL_V_TOT: + ret = s->dc_panel_v_total; + break; + case SM501_DC_PANEL_V_SYNC: + ret = s->dc_panel_v_sync; + break; + + case SM501_DC_CRT_CONTROL: + ret = s->dc_crt_control; + break; + case SM501_DC_CRT_FB_ADDR: + ret = s->dc_crt_fb_addr; + break; + case SM501_DC_CRT_FB_OFFSET: + ret = s->dc_crt_fb_offset; + break; + case SM501_DC_CRT_H_TOT: + ret = s->dc_crt_h_total; + break; + case SM501_DC_CRT_H_SYNC: + ret = s->dc_crt_h_sync; + break; + case SM501_DC_CRT_V_TOT: + ret = s->dc_crt_v_total; + break; + case SM501_DC_CRT_V_SYNC: + ret = s->dc_crt_v_sync; + break; + + case SM501_DC_CRT_HWC_ADDR: + ret = s->dc_crt_hwc_addr; + break; + case SM501_DC_CRT_HWC_LOC: + ret = s->dc_crt_hwc_addr; + break; + case SM501_DC_CRT_HWC_COLOR_1_2: + ret = s->dc_crt_hwc_addr; + break; + case SM501_DC_CRT_HWC_COLOR_3: + ret = s->dc_crt_hwc_addr; + break; + + default: + printf("sm501 disp ctrl : not implemented register read." + " addr=%x, offset=%x\n", addr, offset); + assert(0); + } + + return ret; +} + +static void sm501_disp_ctrl_write(void *opaque, + target_phys_addr_t addr, + uint32_t value) +{ + SM501State * s = (SM501State *)opaque; + uint32_t offset = addr - (s->base + MMIO_BASE_OFFSET + SM501_DC); + SM501_DPRINTF("sm501 disp ctrl regs : write addr=%x, ofs=%x, val=%x\n", + addr, offset, value); + + switch(offset) { + case SM501_DC_PANEL_CONTROL: + s->dc_panel_control = value & 0x0FFF73FF; + break; + case SM501_DC_PANEL_PANNING_CONTROL: + s->dc_panel_panning_control = value & 0xFF3FFF3F; + break; + case SM501_DC_PANEL_FB_ADDR: + s->dc_panel_fb_addr = value & 0x8FFFFFF0; + break; + case SM501_DC_PANEL_FB_OFFSET: + s->dc_panel_fb_offset = value & 0x3FF03FF0; + break; + case SM501_DC_PANEL_FB_WIDTH: + s->dc_panel_fb_width = value & 0x0FFF0FFF; + break; + case SM501_DC_PANEL_FB_HEIGHT: + s->dc_panel_fb_height = value & 0x0FFF0FFF; + break; + case SM501_DC_PANEL_TL_LOC: + s->dc_panel_tl_location = value & 0x07FF07FF; + break; + case SM501_DC_PANEL_BR_LOC: + s->dc_panel_br_location = value & 0x07FF07FF; + break; + + case SM501_DC_PANEL_H_TOT: + s->dc_panel_h_total = value & 0x0FFF0FFF; + break; + case SM501_DC_PANEL_H_SYNC: + s->dc_panel_h_sync = value & 0x00FF0FFF; + break; + case SM501_DC_PANEL_V_TOT: + s->dc_panel_v_total = value & 0x0FFF0FFF; + break; + case SM501_DC_PANEL_V_SYNC: + s->dc_panel_v_sync = value & 0x003F0FFF; + break; + + case SM501_DC_PANEL_HWC_ADDR: + s->dc_panel_hwc_addr = value & 0x8FFFFFF0; + break; + case SM501_DC_PANEL_HWC_LOC: + s->dc_panel_hwc_addr = value & 0x0FFF0FFF; + break; + case SM501_DC_PANEL_HWC_COLOR_1_2: + s->dc_panel_hwc_addr = value; + break; + case SM501_DC_PANEL_HWC_COLOR_3: + s->dc_panel_hwc_addr = value & 0x0000FFFF; + break; + + case SM501_DC_CRT_CONTROL: + s->dc_crt_control = value & 0x0003FFFF; + break; + case SM501_DC_CRT_FB_ADDR: + s->dc_crt_fb_addr = value & 0x8FFFFFF0; + break; + case SM501_DC_CRT_FB_OFFSET: + s->dc_crt_fb_offset = value & 0x3FF03FF0; + break; + case SM501_DC_CRT_H_TOT: + s->dc_crt_h_total = value & 0x0FFF0FFF; + break; + case SM501_DC_CRT_H_SYNC: + s->dc_crt_h_sync = value & 0x00FF0FFF; + break; + case SM501_DC_CRT_V_TOT: + s->dc_crt_v_total = value & 0x0FFF0FFF; + break; + case SM501_DC_CRT_V_SYNC: + s->dc_crt_v_sync = value & 0x003F0FFF; + break; + + case SM501_DC_CRT_HWC_ADDR: + s->dc_crt_hwc_addr = value & 0x8FFFFFF0; + break; + case SM501_DC_CRT_HWC_LOC: + s->dc_crt_hwc_addr = value & 0x0FFF0FFF; + break; + case SM501_DC_CRT_HWC_COLOR_1_2: + s->dc_crt_hwc_addr = value; + break; + case SM501_DC_CRT_HWC_COLOR_3: + s->dc_crt_hwc_addr = value & 0x0000FFFF; + break; + + default: + printf("sm501 disp ctrl : not implemented register write." + " addr=%x, val=%x\n", addr, value); + assert(0); + } +} + +static CPUReadMemoryFunc *sm501_disp_ctrl_readfn[] = { + NULL, + NULL, + &sm501_disp_ctrl_read, +}; + +static CPUWriteMemoryFunc *sm501_disp_ctrl_writefn[] = { + NULL, + NULL, + &sm501_disp_ctrl_write, +}; + +static uint32_t sm501_palette_read(void *opaque, target_phys_addr_t addr) +{ + SM501State * s = (SM501State *)opaque; + uint32_t offset = addr - (s->base + MMIO_BASE_OFFSET + + SM501_DC + SM501_DC_PANEL_PALETTE); + SM501_DPRINTF("sm501 palette read addr=%x, offset=%x\n", addr, offset); + + /* TODO : consider BYTE/WORD access */ + /* TODO : consider endian */ + + assert(0 <= offset && offset < 0x400 * 3); + return *(uint32_t*)&s->dc_palette[offset]; +} + +static void sm501_palette_write(void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + SM501State * s = (SM501State *)opaque; + uint32_t offset = addr - (s->base + MMIO_BASE_OFFSET + + SM501_DC + SM501_DC_PANEL_PALETTE); + SM501_DPRINTF("sm501 palette write addr=%x, ofs=%x, val=%x\n", + addr, offset, value); + + /* TODO : consider BYTE/WORD access */ + /* TODO : consider endian */ + + assert(0 <= offset && offset < 0x400 * 3); + *(uint32_t*)&s->dc_palette[offset] = value; +} + +static CPUReadMemoryFunc *sm501_palette_readfn[] = { + &sm501_palette_read, + &sm501_palette_read, + &sm501_palette_read, +}; + +static CPUWriteMemoryFunc *sm501_palette_writefn[] = { + &sm501_palette_write, + &sm501_palette_write, + &sm501_palette_write, +}; + + +/* draw line functions for all console modes */ + +#include "pixel_ops.h" + +typedef void draw_line_func(uint8_t *d, const uint8_t *s, + int width, const uint32_t *pal); + +#define DEPTH 8 +#include "sm501_template.h" + +#define DEPTH 15 +#include "sm501_template.h" + +#define BGR_FORMAT +#define DEPTH 15 +#include "sm501_template.h" + +#define DEPTH 16 +#include "sm501_template.h" + +#define BGR_FORMAT +#define DEPTH 16 +#include "sm501_template.h" + +#define DEPTH 32 +#include "sm501_template.h" + +#define BGR_FORMAT +#define DEPTH 32 +#include "sm501_template.h" + +static draw_line_func * draw_line8_funcs[] = { + draw_line8_8, + draw_line8_15, + draw_line8_16, + draw_line8_32, + draw_line8_32bgr, + draw_line8_15bgr, + draw_line8_16bgr, +}; + +static draw_line_func * draw_line16_funcs[] = { + draw_line16_8, + draw_line16_15, + draw_line16_16, + draw_line16_32, + draw_line16_32bgr, + draw_line16_15bgr, + draw_line16_16bgr, +}; + +static draw_line_func * draw_line32_funcs[] = { + draw_line32_8, + draw_line32_15, + draw_line32_16, + draw_line32_32, + draw_line32_32bgr, + draw_line32_15bgr, + draw_line32_16bgr, +}; + +static inline int get_depth_index(DisplayState *s) +{ + switch(s->depth) { + default: + case 8: + return 0; + case 15: + if (s->bgr) + return 5; + else + return 1; + case 16: + if (s->bgr) + return 6; + else + return 2; + case 32: + if (s->bgr) + return 4; + else + return 3; + } +} + +static void sm501_draw_crt(SM501State * s) +{ + int y; + int width = (s->dc_crt_h_total & 0x00000FFF) + 1; + int height = (s->dc_crt_v_total & 0x00000FFF) + 1; + + uint8_t * src = s->local_mem; + int src_bpp = 0; + int dst_bpp = s->ds->depth / 8 + (s->ds->depth % 8 ? 1 : 0); + uint32_t * palette = (uint32_t *)&s->dc_palette[SM501_DC_CRT_PALETTE + - SM501_DC_PANEL_PALETTE]; + int ds_depth_index = get_depth_index(s->ds); + draw_line_func * draw_line = NULL; + int full_update = 0; + int y_start = -1; + int page_min = 0x7fffffff; + int page_max = -1; + + /* choose draw_line function */ + switch (s->dc_crt_control & 3) { + case SM501_DC_CRT_CONTROL_8BPP: + src_bpp = 1; + draw_line = draw_line8_funcs[ds_depth_index]; + break; + case SM501_DC_CRT_CONTROL_16BPP: + src_bpp = 2; + draw_line = draw_line16_funcs[ds_depth_index]; + break; + case SM501_DC_CRT_CONTROL_32BPP: + src_bpp = 4; + draw_line = draw_line32_funcs[ds_depth_index]; + break; + default: + printf("sm501 draw crt : invalid DC_CRT_CONTROL=%x.\n", + s->dc_crt_control); + assert(0); + break; + } + + /* adjust console size */ + if (s->last_width != width || s->last_height != height) { + qemu_console_resize(s->console, width, height); + s->last_width = width; + s->last_height = height; + full_update = 1; + } + + /* draw each line according to conditions */ + for (y = 0; y < height; y++) { + int update = full_update; + uint8_t * line_end = &src[width * src_bpp - 1]; + int page0 = (src - phys_ram_base) & TARGET_PAGE_MASK; + int page1 = (line_end - phys_ram_base) & TARGET_PAGE_MASK; + int page; + + /* check dirty flags for each line */ + for (page = page0; page <= page1; page += TARGET_PAGE_SIZE) + if (cpu_physical_memory_get_dirty(page, VGA_DIRTY_FLAG)) + update = 1; + + /* draw line and change status */ + if (update) { + draw_line(&s->ds->data[y * width * dst_bpp], src, width, palette); + if (y_start < 0) + y_start = y; + if (page0 < page_min) + page_min = page0; + if (page1 > page_max) + page_max = page1; + } else { + if (y_start >= 0) { + /* flush to display */ + dpy_update(s->ds, 0, y_start, width, y - y_start); + y_start = -1; + } + } + + src += width * src_bpp; + } + + /* complete flush to display */ + if (y_start >= 0) + dpy_update(s->ds, 0, y_start, width, y - y_start); + + /* clear dirty flags */ + if (page_max != -1) + cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE, + VGA_DIRTY_FLAG); +} + +static void sm501_update_display(void *opaque) +{ + SM501State * s = (SM501State *)opaque; + + if (s->dc_crt_control & SM501_DC_CRT_CONTROL_ENABLE) + sm501_draw_crt(s); +} + +void sm501_init(DisplayState *ds, uint32_t base, unsigned long local_mem_base, + uint32_t local_mem_bytes, CharDriverState *chr) +{ + SM501State * s; + int sm501_system_config_index; + int sm501_disp_ctrl_index; + int sm501_palette_index; + + /* allocate management data region */ + s = (SM501State *)qemu_mallocz(sizeof(SM501State)); + s->base = base; + s->local_mem_size_index + = get_local_mem_size_index(local_mem_bytes); + SM501_DPRINTF("local mem size=%x. index=%d\n", get_local_mem_size(s), + s->local_mem_size_index); + s->system_control = 0x00100000; + s->misc_control = 0x00001000; /* assumes SH, active=low */ + s->dc_panel_control = 0x00010000; + s->dc_crt_control = 0x00010000; + s->ds = ds; + + /* allocate local memory */ + s->local_mem = (uint8 *)phys_ram_base + local_mem_base; + cpu_register_physical_memory(base, local_mem_bytes, local_mem_base); + + /* map mmio */ + sm501_system_config_index + = cpu_register_io_memory(0, sm501_system_config_readfn, + sm501_system_config_writefn, s); + cpu_register_physical_memory(base + MMIO_BASE_OFFSET, + 0x6c, sm501_system_config_index); + sm501_disp_ctrl_index = cpu_register_io_memory(0, sm501_disp_ctrl_readfn, + sm501_disp_ctrl_writefn, s); + cpu_register_physical_memory(base + MMIO_BASE_OFFSET + SM501_DC, + 0x400, sm501_disp_ctrl_index); + + sm501_palette_index = cpu_register_io_memory(0, sm501_palette_readfn, + sm501_palette_writefn, s); + cpu_register_physical_memory(base + MMIO_BASE_OFFSET + + SM501_DC + SM501_DC_PANEL_PALETTE, + 0x400 * 3, sm501_palette_index); + + /* bridge to serial emulation module */ + if (chr) + serial_mm_init(base + MMIO_BASE_OFFSET + SM501_UART0, 2, + 0, /* TODO : chain irq to IRL */ + 115200, chr, 1); + + /* create qemu graphic console */ + s->console = graphic_console_init(s->ds, sm501_update_display, NULL, + NULL, NULL, s); +} diff --git a/hw/sm501_template.h b/hw/sm501_template.h new file mode 100644 index 0000000000..c96ac253d4 --- /dev/null +++ b/hw/sm501_template.h @@ -0,0 +1,104 @@ +/* + * Pixel drawing function templates for QEMU SM501 Device + * + * Copyright (c) 2008 Shin-ichiro KAWASAKI + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#if DEPTH == 8 +#define BPP 1 +#define PIXEL_TYPE uint8_t +#elif DEPTH == 15 || DEPTH == 16 +#define BPP 2 +#define PIXEL_TYPE uint16_t +#elif DEPTH == 32 +#define BPP 4 +#define PIXEL_TYPE uint32_t +#else +#error unsupport depth +#endif + +#ifdef BGR_FORMAT +#define PIXEL_NAME glue(DEPTH, bgr) +#else +#define PIXEL_NAME DEPTH +#endif /* BGR_FORMAT */ + + +static void glue(draw_line8_, PIXEL_NAME)( + uint8_t *d, const uint8_t *s, int width, const uint32_t *pal) +{ + uint8_t v, r, g, b; + do { + v = ldub_raw(s); + r = (pal[v] >> 16) & 0xff; + g = (pal[v] >> 8) & 0xff; + b = (pal[v] >> 0) & 0xff; + ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b); + s ++; + d += BPP; + } while (-- width != 0); +} + +static void glue(draw_line16_, PIXEL_NAME)( + uint8_t *d, const uint8_t *s, int width, const uint32_t *pal) +{ + uint16_t rgb565; + uint8_t r, g, b; + + do { + rgb565 = lduw_raw(s); + r = ((rgb565 >> 11) & 0x1f) << 3; + g = ((rgb565 >> 5) & 0x3f) << 2; + b = ((rgb565 >> 0) & 0x1f) << 3; + ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b); + s += 2; + d += BPP; + } while (-- width != 0); +} + +static void glue(draw_line32_, PIXEL_NAME)( + uint8_t *d, const uint8_t *s, int width, const uint32_t *pal) +{ + uint8_t r, g, b; + + do { + ldub_raw(s); +#if defined(TARGET_WORDS_BIGENDIAN) + r = s[1]; + g = s[2]; + b = s[3]; +#else + b = s[0]; + g = s[1]; + r = s[2]; +#endif + ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b); + s += 4; + d += BPP; + } while (-- width != 0); +} + +#undef DEPTH +#undef BPP +#undef PIXEL_TYPE +#undef PIXEL_NAME +#undef BGR_FORMAT + |