Initial multiadapter/multibus I2C support.

Signed-off-by: Sergey Kubushyn ksi@koi8.net --- diff -purN u-boot-i2c.orig/drivers/i2c/sm502_i2c.c u-boot-i2c/drivers/i2c/sm502_i2c.c --- u-boot-i2c.orig/drivers/i2c/sm502_i2c.c 1969-12-31 16:00:00.000000000 -0800 +++ u-boot-i2c/drivers/i2c/sm502_i2c.c 2009-02-12 10:46:00.000000000 -0800 @@ -0,0 +1,340 @@ +/* + * Copyright (C) 2009 Sergey Kubushyn ksi@koi8.net + * + * Driver for Silicon Motion SM501/SM502 I2C interface. + */ + +#include <common.h> + +#ifdef CONFIG_SM502_I2C + +#include <command.h> +#include <i2c.h> + +#include <sm501-regs.h> +#include <asm/io.h> + +/* I2C registers field definitions */ +/* --------------------------------*/ +/* I2C_CONTROL (R/W) */ +#define SM501_I2C_ENABLE (1<<0) +#define SM501_I2C_SPEED (1<<1) +#define SM501_I2C_START (1<<2) +#define SM501_I2C_IRQ_ENA (1<<4) +#define SM501_I2C_IRQ_ACK (1<<5) +#define SM501_I2C_RPT_START_ENA (1<<6) +/* I2C_STATUS (R/O) */ +#define SM501_I2C_BUS_BUSY (1<<0) +#define SM501_I2C_NACK (1<<1) +#define SM501_I2C_BUS_ERROR (1<<2) +#define SM501_I2C_XFER_DONE (1<<3) +/* I2C_RESET (W/O) */ +#define SM501_I2C_CLEAR (1<<2) + +#define SM501_I2C_MAX_COUNT 16 + +#define SM501_I2C_READ 1 +#define SM501_I2C_WRITE 0 + +#define SM501_I2C_TIMEOUT (1<<7) + +#define SM501_CHECK_NACK() \ + do {\ + if (tmp & (SM501_I2C_NACK | SM501_I2C_BUS_ERROR)) {\ + tmp = read_i2c_reg(SM501_I2C_CONTROL) & SM501_I2C_SPEED;\ + write_i2c_reg(SM501_I2C_CONTROL, tmp);\ + return(1);\ + }\ + } while (0) + + +i2c_adap_t sm501_i2c_adap; + +DECLARE_GLOBAL_DATA_PTR; + + +static __inline__ u_int8_t read_i2c_reg(unsigned long offset) +{ + return(readb(sm501_iomem_base + SM501_I2C + offset)); +} + +static __inline__ void write_i2c_reg(unsigned long offset, u_int8_t data) +{ + writeb(data, sm501_iomem_base + SM501_I2C + offset); + __asm__("sync;isync;msync"); +#ifndef CONFIG_SYS_SM501_BASEADDR + /* Dummy read to push it through PCI */ + readb(sm501_iomem_base + SM501_I2C + offset); +#endif +} + +static int poll_i2c_status(u_int8_t mask, int timeout) +{ + u_int8_t stat; + int i; + + i = 0; + + do { + stat = read_i2c_reg(SM501_I2C_STATUS); + if (stat & mask) { + return(stat); + } + udelay(1000); + + } while (i++ < timeout); + + return(stat | SM501_I2C_TIMEOUT); +} + +static int wait_for_bus(void) +{ + int timeout = 10; + + while ((read_i2c_reg(SM501_I2C_STATUS) & SM501_I2C_BUS_BUSY) && timeout--) { + udelay (1000); + } + + if (timeout <= 0) { + printf ("SM501_I2C timed out in wait_for_bb: I2C_STAT=%x\n", + read_i2c_reg(SM501_I2C_STATUS)); + return(1); + } + + return(0); +} + +static void sm501_i2c_init(int speed, int slaveadd) +{ + unsigned long tmpl; + + /* Set GPIO pins for hardware I2C */ + tmpl = readl(sm501_iomem_base + SM501_GPIO + SM501_GPIO_DATA_HIGH); + tmpl |= 0x0000c000; + writel(tmpl, sm501_iomem_base + SM501_GPIO + SM501_GPIO_DATA_HIGH); + __asm__("sync;isync;msync"); +#ifndef CONFIG_SYS_SM501_BASEADDR + /* Dummy read to push is through PCI */ + readl(sm501_iomem_base + SM501_GPIO + SM501_GPIO_DATA_HIGH); +#endif + + /* SM501/502 only allows 100 or 400 KHz speed (standard or fast) */ + if (speed <= 100000) + write_i2c_reg(SM501_I2C_CONTROL, SM501_I2C_ENABLE); + else + write_i2c_reg(SM501_I2C_CONTROL, SM501_I2C_ENABLE | SM501_I2C_SPEED); + + if (gd->flags & GD_FLG_RELOC) { + sm501_i2c_adap.speed = speed <= 100000 ? 100000 : 400000; + sm501_i2c_adap.init_done = 1; + } +} + + +static int sm501_i2c_probe(u_int8_t chip) +{ + u_int8_t tmp; + + /* Fail if I2C address is invalid */ + if (chip > 0x7f) {return(1);} + + tmp = read_i2c_reg(SM501_I2C_CONTROL); + write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE)); + if (wait_for_bus()) {return(1);} + + /* try to read one byte from current (or only) address */ + write_i2c_reg(SM501_I2C_CONTROL, tmp | SM501_I2C_ENABLE); + write_i2c_reg(SM501_I2C_BYTE_COUNT, 0); + write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_READ); + tmp = read_i2c_reg(SM501_I2C_CONTROL); + write_i2c_reg(SM501_I2C_CONTROL, tmp | SM501_I2C_START); + udelay (1000); + + if (!(read_i2c_reg(SM501_I2C_STATUS) & (SM501_I2C_NACK | SM501_I2C_BUS_ERROR))) { + tmp = read_i2c_reg(SM501_I2C_CONTROL); + write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE)); + if (wait_for_bus()) {return(1);} + return(0); + } + + return(1); +} + + +static int sm501_i2c_read(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len) +{ + u_int8_t tmp; + u_int8_t *ptr = buf; + int i, bytes_read = 0; + + if ((alen < 0) || (alen > 2)) { + printf("%s(): bogus address length %x\n", __FUNCTION__, alen); + return(1); + } + + if (len < 0) { + printf("%s(): bogus length %x\n", __FUNCTION__, len); + return(1); + } + + if (wait_for_bus()) {return(1);} + + if (alen != 0) { + /* Start address phase */ + if (alen == 2) { + /* MSB goes first... */ + write_i2c_reg(SM501_I2C_DATA, (addr >> 8) & 0xff); + write_i2c_reg(SM501_I2C_DATA + 1, addr & 0xff); + } else { + write_i2c_reg(SM501_I2C_DATA, addr & 0xff); + } + + /* Now write it out without STOP condition */ + tmp = read_i2c_reg(SM501_I2C_CONTROL); + tmp |= SM501_I2C_ENABLE | SM501_I2C_START | SM501_I2C_RPT_START_ENA; + write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_WRITE); + write_i2c_reg(SM501_I2C_BYTE_COUNT, (u_int8_t)(alen - 1)); + write_i2c_reg(SM501_I2C_CONTROL, tmp); + + tmp = poll_i2c_status(SM501_I2C_NACK | SM501_I2C_BUS_ERROR | SM501_I2C_XFER_DONE, 2); + + SM501_CHECK_NACK(); + } + + /* + * Address phase is over, now read 'len' bytes. + * SM502 can read up to 16 bytes per transaction so + * we will be reading in 16-bytes batches if len > 16. + */ + do { + i = (len - bytes_read) > 16 ? 16 : len - bytes_read; + tmp = read_i2c_reg(SM501_I2C_CONTROL); + tmp |= SM501_I2C_ENABLE | SM501_I2C_START; + write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_READ); + write_i2c_reg(SM501_I2C_BYTE_COUNT, (u_int8_t)(i - 1)); + write_i2c_reg(SM501_I2C_CONTROL, tmp); + + tmp = poll_i2c_status(SM501_I2C_NACK | SM501_I2C_BUS_ERROR | SM501_I2C_XFER_DONE, 100); + + SM501_CHECK_NACK(); + + bytes_read += i; + + for (; i > 0; i--) { + *ptr++ = read_i2c_reg(SM501_I2C_DATA + 16 - i); + } + + } while (len > bytes_read); + + tmp = read_i2c_reg(SM501_I2C_CONTROL); + write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE)); + + return(0); +} + + +static int sm501_i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len) +{ + u_int8_t tmp; + u_int8_t *ptr = buf; + int i, bytes_written = 0; + + if ((alen < 0) || (alen > 2)) { + printf("%s(): bogus address length %x\n", __FUNCTION__, alen); + return(1); + } + + if (len < 0) { + printf("%s(): bogus length %x\n", __FUNCTION__, len); + return(1); + } + + if (wait_for_bus()) {return(1);} + + /* + * SM502 can write up to 16 bytes per transaction so we will be + * writing in 16-bytes batches if len > (16 - alen). Address is + * sent first, then data hence (16 - alen)... + */ + do { + i = (len - bytes_written) > (16 - alen) ? 16 - alen : len - bytes_written; + + /* Prepend address */ + if (alen == 2) { + /* MSB goes first... */ + write_i2c_reg(SM501_I2C_DATA, ((addr + bytes_written) >> 8) & 0xff); + write_i2c_reg(SM501_I2C_DATA + 1, (addr + bytes_written) & 0xff); + } + + if (alen == 1) { + write_i2c_reg(SM501_I2C_DATA, (addr + bytes_written) & 0xff); + } + + + for (; i > 0; i--) { + write_i2c_reg(SM501_I2C_DATA + 16 + alen - i, *ptr++); + } + + /* Push it down the bus */ + tmp = read_i2c_reg(SM501_I2C_CONTROL); + tmp |= SM501_I2C_ENABLE | SM501_I2C_START; + write_i2c_reg(SM501_I2C_SLAVE_ADDRESS, (chip << 1) | SM501_I2C_WRITE); + write_i2c_reg(SM501_I2C_BYTE_COUNT, (u_int8_t)(i + alen - 1)); + write_i2c_reg(SM501_I2C_CONTROL, tmp); + + tmp = poll_i2c_status(SM501_I2C_NACK | SM501_I2C_BUS_ERROR | SM501_I2C_XFER_DONE, 100); + + SM501_CHECK_NACK(); + + bytes_written += i; + + } while (len > bytes_written); + + tmp = read_i2c_reg(SM501_I2C_CONTROL); + write_i2c_reg(SM501_I2C_CONTROL, tmp & ~(SM501_I2C_START | SM501_I2C_ENABLE)); + + return(0); +} + + +static unsigned int sm501_i2c_set_bus_speed(unsigned int speed) +{ + u_int8_t tmp; + + tmp = read_i2c_reg(SM501_I2C_CONTROL); + + /* SM501/502 only allows 100 or 400 KHz speed (standard or fast) */ + if (speed <= 100000) + tmp &= ~SM501_I2C_SPEED; + else + tmp |= SM501_I2C_SPEED; + + write_i2c_reg(SM501_I2C_CONTROL, tmp); + + if (gd->flags & GD_FLG_RELOC) { + sm501_i2c_adap.speed = speed <= 100000 ? 100000 : 400000; + } + + return(speed <= 100000 ? 100000 : 400000); +} + + +static unsigned int sm501_i2c_get_bus_speed(void) +{ + return(sm501_i2c_adap.speed); +} + + +i2c_adap_t sm501_i2c_adap = { + .init = sm501_i2c_init, + .probe = sm501_i2c_probe, + .read = sm501_i2c_read, + .write = sm501_i2c_write, + .set_bus_speed = sm501_i2c_set_bus_speed, + .get_bus_speed = sm501_i2c_get_bus_speed, + .speed = CONFIG_SYS_SM501_I2C_SPEED, + .slaveaddr = CONFIG_SYS_SM501_I2C_SLAVE, + .init_done = 0, + .name = "sm501_i2c" +}; +#endif /* CONFIG_SM502_I2C */ diff -purN u-boot-i2c.orig/include/sm501-regs.h u-boot-i2c/include/sm501-regs.h --- u-boot-i2c.orig/include/sm501-regs.h 1969-12-31 16:00:00.000000000 -0800 +++ u-boot-i2c/include/sm501-regs.h 2009-02-12 10:46:00.000000000 -0800 @@ -0,0 +1,394 @@ +/* sm501-regs.h + * + * Copyright 2006 Simtec Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Silicon Motion SM501 register definitions +*/ + +#ifndef CONFIG_SYS_SM501_BASEADDR +/* SM501/502 on PCI bus, resides and initialized in $(BOARD).c */ +extern unsigned long sm501_iomem_base; +#else +/* SM501/502 on processor bus, preassigned address */ +#define sm501_iomem_base CONFIG_SYS_SM501_BASEADDR +#endif + +/* 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)