/* * Copyright (c) 2007, Google Inc. * All rights reserved. * * Copyright (c) 2009-2011, The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of The Linux Foundation nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include "gpio_hw.h" #include "panel.h" #include #include static int display_common_power(int); #if DISPLAY_TYPE_MDDI #include #define MDDI_CLIENT_CORE_BASE 0x108000 #define LCD_CONTROL_BLOCK_BASE 0x110000 #define SPI_BLOCK_BASE 0x120000 #define I2C_BLOCK_BASE 0x130000 #define PWM_BLOCK_BASE 0x140000 #define GPIO_BLOCK_BASE 0x150000 #define SYSTEM_BLOCK1_BASE 0x160000 #define SYSTEM_BLOCK2_BASE 0x170000 #define MDDICAP0 (MDDI_CLIENT_CORE_BASE|0x00) #define MDDICAP1 (MDDI_CLIENT_CORE_BASE|0x04) #define MDDICAP2 (MDDI_CLIENT_CORE_BASE|0x08) #define MDDICAP3 (MDDI_CLIENT_CORE_BASE|0x0C) #define MDCAPCHG (MDDI_CLIENT_CORE_BASE|0x10) #define MDCRCERC (MDDI_CLIENT_CORE_BASE|0x14) #define TTBUSSEL (MDDI_CLIENT_CORE_BASE|0x18) #define DPSET0 (MDDI_CLIENT_CORE_BASE|0x1C) #define DPSET1 (MDDI_CLIENT_CORE_BASE|0x20) #define DPSUS (MDDI_CLIENT_CORE_BASE|0x24) #define DPRUN (MDDI_CLIENT_CORE_BASE|0x28) #define SYSCKENA (MDDI_CLIENT_CORE_BASE|0x2C) #define TESTMODE (MDDI_CLIENT_CORE_BASE|0x30) #define FIFOMONI (MDDI_CLIENT_CORE_BASE|0x34) #define INTMONI (MDDI_CLIENT_CORE_BASE|0x38) #define MDIOBIST (MDDI_CLIENT_CORE_BASE|0x3C) #define MDIOPSET (MDDI_CLIENT_CORE_BASE|0x40) #define BITMAP0 (MDDI_CLIENT_CORE_BASE|0x44) #define BITMAP1 (MDDI_CLIENT_CORE_BASE|0x48) #define BITMAP2 (MDDI_CLIENT_CORE_BASE|0x4C) #define BITMAP3 (MDDI_CLIENT_CORE_BASE|0x50) #define BITMAP4 (MDDI_CLIENT_CORE_BASE|0x54) #define SRST (LCD_CONTROL_BLOCK_BASE|0x00) #define PORT_ENB (LCD_CONTROL_BLOCK_BASE|0x04) #define START (LCD_CONTROL_BLOCK_BASE|0x08) #define PORT (LCD_CONTROL_BLOCK_BASE|0x0C) #define CMN (LCD_CONTROL_BLOCK_BASE|0x10) #define GAMMA (LCD_CONTROL_BLOCK_BASE|0x14) #define INTFLG (LCD_CONTROL_BLOCK_BASE|0x18) #define INTMSK (LCD_CONTROL_BLOCK_BASE|0x1C) #define MPLFBUF (LCD_CONTROL_BLOCK_BASE|0x20) #define HDE_LEFT (LCD_CONTROL_BLOCK_BASE|0x24) #define VDE_TOP (LCD_CONTROL_BLOCK_BASE|0x28) #define PXL (LCD_CONTROL_BLOCK_BASE|0x30) #define HCYCLE (LCD_CONTROL_BLOCK_BASE|0x34) #define HSW (LCD_CONTROL_BLOCK_BASE|0x38) #define HDE_START (LCD_CONTROL_BLOCK_BASE|0x3C) #define HDE_SIZE (LCD_CONTROL_BLOCK_BASE|0x40) #define VCYCLE (LCD_CONTROL_BLOCK_BASE|0x44) #define VSW (LCD_CONTROL_BLOCK_BASE|0x48) #define VDE_START (LCD_CONTROL_BLOCK_BASE|0x4C) #define VDE_SIZE (LCD_CONTROL_BLOCK_BASE|0x50) #define WAKEUP (LCD_CONTROL_BLOCK_BASE|0x54) #define WSYN_DLY (LCD_CONTROL_BLOCK_BASE|0x58) #define REGENB (LCD_CONTROL_BLOCK_BASE|0x5C) #define VSYNIF (LCD_CONTROL_BLOCK_BASE|0x60) #define WRSTB (LCD_CONTROL_BLOCK_BASE|0x64) #define RDSTB (LCD_CONTROL_BLOCK_BASE|0x68) #define ASY_DATA (LCD_CONTROL_BLOCK_BASE|0x6C) #define ASY_DATB (LCD_CONTROL_BLOCK_BASE|0x70) #define ASY_DATC (LCD_CONTROL_BLOCK_BASE|0x74) #define ASY_DATD (LCD_CONTROL_BLOCK_BASE|0x78) #define ASY_DATE (LCD_CONTROL_BLOCK_BASE|0x7C) #define ASY_DATF (LCD_CONTROL_BLOCK_BASE|0x80) #define ASY_DATG (LCD_CONTROL_BLOCK_BASE|0x84) #define ASY_DATH (LCD_CONTROL_BLOCK_BASE|0x88) #define ASY_CMDSET (LCD_CONTROL_BLOCK_BASE|0x8C) #define MONI (LCD_CONTROL_BLOCK_BASE|0xB0) #define Current (LCD_CONTROL_BLOCK_BASE|0xC0) #define LCD (LCD_CONTROL_BLOCK_BASE|0xC4) #define COMMAND (LCD_CONTROL_BLOCK_BASE|0xC8) #define SSICTL (SPI_BLOCK_BASE|0x00) #define SSITIME (SPI_BLOCK_BASE|0x04) #define SSITX (SPI_BLOCK_BASE|0x08) #define SSIRX (SPI_BLOCK_BASE|0x0C) #define SSIINTC (SPI_BLOCK_BASE|0x10) #define SSIINTS (SPI_BLOCK_BASE|0x14) #define SSIDBG1 (SPI_BLOCK_BASE|0x18) #define SSIDBG2 (SPI_BLOCK_BASE|0x1C) #define SSIID (SPI_BLOCK_BASE|0x20) #define I2CSETUP (I2C_BLOCK_BASE|0x00) #define I2CCTRL (I2C_BLOCK_BASE|0x04) #define TIMER0LOAD (PWM_BLOCK_BASE|0x00) #define TIMER0VALUE (PWM_BLOCK_BASE|0x04) #define TIMER0CONTROL (PWM_BLOCK_BASE|0x08) #define TIMER0INTCLR (PWM_BLOCK_BASE|0x0C) #define TIMER0RIS (PWM_BLOCK_BASE|0x10) #define TIMER0MIS (PWM_BLOCK_BASE|0x14) #define TIMER0BGLOAD (PWM_BLOCK_BASE|0x18) #define PWM0OFF (PWM_BLOCK_BASE|0x1C) #define TIMER1LOAD (PWM_BLOCK_BASE|0x20) #define TIMER1VALUE (PWM_BLOCK_BASE|0x24) #define TIMER1CONTROL (PWM_BLOCK_BASE|0x28) #define TIMER1INTCLR (PWM_BLOCK_BASE|0x2C) #define TIMER1RIS (PWM_BLOCK_BASE|0x30) #define TIMER1MIS (PWM_BLOCK_BASE|0x34) #define TIMER1BGLOAD (PWM_BLOCK_BASE|0x38) #define PWM1OFF (PWM_BLOCK_BASE|0x3C) #define TIMERITCR (PWM_BLOCK_BASE|0x60) #define TIMERITOP (PWM_BLOCK_BASE|0x64) #define PWMCR (PWM_BLOCK_BASE|0x68) #define PWMID (PWM_BLOCK_BASE|0x6C) #define PWMMON (PWM_BLOCK_BASE|0x70) #define GPIODATA (GPIO_BLOCK_BASE|0x00) #define GPIODIR (GPIO_BLOCK_BASE|0x04) #define GPIOIS (GPIO_BLOCK_BASE|0x08) #define GPIOIBE (GPIO_BLOCK_BASE|0x0C) #define GPIOIEV (GPIO_BLOCK_BASE|0x10) #define GPIOIE (GPIO_BLOCK_BASE|0x14) #define GPIORIS (GPIO_BLOCK_BASE|0x18) #define GPIOMIS (GPIO_BLOCK_BASE|0x1C) #define GPIOIC (GPIO_BLOCK_BASE|0x20) #define GPIOOMS (GPIO_BLOCK_BASE|0x24) #define GPIOPC (GPIO_BLOCK_BASE|0x28) #define GPIOID (GPIO_BLOCK_BASE|0x30) #define WKREQ (SYSTEM_BLOCK1_BASE|0x00) #define CLKENB (SYSTEM_BLOCK1_BASE|0x04) #define DRAMPWR (SYSTEM_BLOCK1_BASE|0x08) #define INTMASK (SYSTEM_BLOCK1_BASE|0x0C) #define CNT_DIS (SYSTEM_BLOCK1_BASE|0x10) #define GPIOSEL (SYSTEM_BLOCK2_BASE|0x00) struct init_table { unsigned int reg; unsigned int val; }; static struct init_table toshiba_480x800_init_table[] = { {DPSET0, 0x4BEC0066}, // # MDC.DPSET0 # Setup DPLL parameters {DPSET1, 0x00000113}, // # MDC.DPSET1 {DPSUS, 0x00000000}, // # MDC.DPSUS # Set DPLL oscillation enable {DPRUN, 0x00000001}, // # MDC.DPRUN # Release reset signal for DPLL {0, 15}, // wait_ms(15); {SYSCKENA, 0x00000001}, // # MDC.SYSCKENA # Enable system clock output {CLKENB, 0x000000E9}, // # SYS.CLKENB # Enable clocks for each module (without DCLK , i2cCLK) {GPIO_BLOCK_BASE, 0x03FF0000}, // # GPI .GPIODATA # GPIO2(RESET_LCD_N) set to 0 , GPIO3(eDRAM_Power) set to 0 {GPIODIR, 0x0000024D}, // # GPI .GPIODIR # Select direction of GPIO port (0,2,3,6,9 output) {SYSTEM_BLOCK2_BASE, 0x00000173}, // # SYS.GPIOSEL # GPIO port multiplexing control {GPIOPC, 0x03C300C0}, // # GPI .GPIOPC # GPIO2,3 PD cut {SYSTEM_BLOCK1_BASE, 0x00000000}, // # SYS.WKREQ # Wake-up request event is VSYNC alignment {GPIOIS, 0x00000000}, // # GPI .GPIOIS # Set interrupt sense of GPIO {GPIOIEV, 0x00000001}, // # GPI .GPIOIEV # Set interrupt event of GPIO {GPIOIC, 0x000003FF}, // # GPI .GPIOIC # GPIO interrupt clear {GPIO_BLOCK_BASE, 0x00040004}, // # GPI .GPIODATA # Release LCDD reset {GPIO_BLOCK_BASE, 0x00080008}, // # GPI .GPIODATA # eDRAM VD supply {DRAMPWR, 0x00000001}, // # SYS.DRAMPWR # eDRAM power up {CLKENB, 0x000000EB}, // # enable eDRAM clock {PWMCR, 0x00000000}, // # PWM.PWMCR # PWM output enable {0, 1}, // wait_ms(1); {SPI_BLOCK_BASE, 0x00060399}, // # SPI .SSICTL # SPI operation mode setting {SSITIME, 0x00000100}, // # SPI .SSITIME # SPI serial interface timing setting {CNT_DIS, 0x00000002}, // # SPI .SSITIME # SPI serial interface timing setting {SPI_BLOCK_BASE, 0x0006039B}, // # SPI .SSICTL # Set SPI active mode {SSITX, 0x00000000}, // # SPI.SSITX # Release from Deep Stanby mode {0, 7}, // wait_ms(2); {SSITX, 0x00000000}, // # SPI.SSITX {0, 7}, // wait_ms(2); {SSITX, 0x00000000}, // # SPI.SSITX {0, 7}, // wait_ms(2); {SSITX, 0x000800BA}, // # SPI.SSITX *NOTE 1 # Command setting of SPI block {SSITX, 0x00000111}, // # Display mode setup(1) : Normaly Black {SSITX, 0x00080036}, // # Command setting of SPI block {SSITX, 0x00000100}, // # Memory access control {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x0008003A}, // # Command setting of SPI block {SSITX, 0x00000160}, // # Display mode setup(2) {SSITX, 0x000800B1}, // # Command setting of SPI block {SSITX, 0x0000015D}, // # RGB Interface data format {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800B2}, // # Command setting of SPI block {SSITX, 0x00000133}, // # Drivnig method {SSITX, 0x000800B3}, // # Command setting of SPI block {SSITX, 0x00000122}, // # Booster operation setup {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800B4}, // # Command setting of SPI block {SSITX, 0x00000102}, // # OP-amp capability/System clock freq. division setup {SSITX, 0x000800B5}, // # Command setting of SPI block {SSITX, 0x0000011E}, // # VCS Voltage adjustment (1C->1F for Rev 2) {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800B6}, // # Command setting of SPI block {SSITX, 0x00000127}, // # VCOM Voltage adjustment {SSITX, 0x000800B7}, // # Command setting of SPI block {SSITX, 0x00000103}, // # Configure an external display signal {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800B9}, // # Command setting of SPI block {SSITX, 0x00000124}, // # DCCK/DCEV timing setup {SSITX, 0x000800BD}, // # Command setting of SPI block {SSITX, 0x000001A1}, // # ASW signal control {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800BB}, // # Command setting of SPI block {SSITX, 0x00000100}, // # Dummy display (white/black) count setup for QUAD Data operation {SSITX, 0x000800BF}, // # Command setting of SPI block {SSITX, 0x00000101}, // # Dummy display (white/black) count setup for QUAD Data operation {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800BE}, // # Command setting of SPI block {SSITX, 0x00000100}, // # wait_ms(-out FR count setup (A) {SSITX, 0x000800C0}, // # Command setting of SPI block {SSITX, 0x00000111}, // # wait_ms(-out FR count setup (A) {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C1}, // # Command setting of SPI block {SSITX, 0x00000111}, // # wait_ms(-out FR count setup (B) {SSITX, 0x000800C2}, // # Command setting of SPI block {SSITX, 0x00000111}, // # wait_ms(-out FR count setup (C) {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C3}, // # Command setting of SPI block {SSITX, 0x00080132}, // # wait_ms(-in line clock count setup (D) {SSITX, 0x00000132}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C4}, // # Command setting of SPI block {SSITX, 0x00080132}, // # Seep-in line clock count setup (E) {SSITX, 0x00000132}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C5}, // # Command setting of SPI block {SSITX, 0x00080132}, // # wait_ms(-in line clock count setup (F) {SSITX, 0x00000132}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C6}, // # Command setting of SPI block {SSITX, 0x00080132}, // # wait_ms(-in line clock setup (G) {SSITX, 0x00000132}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C7}, // # Command setting of SPI block {SSITX, 0x00080164}, // # Gamma 1 fine tuning (1) {SSITX, 0x00000145}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800C8}, // # Command setting of SPI block {SSITX, 0x00000144}, // # Gamma 1 fine tuning (2) {SSITX, 0x000800C9}, // # Command setting of SPI block {SSITX, 0x00000152}, // # Gamma 1 inclination adjustment {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800CA}, // # Command setting of SPI block {SSITX, 0x00000100}, // # Gamma 1 blue offset adjustment {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800EC}, // # Command setting of SPI block {SSITX, 0x00080102}, // # Total number of horizontal clock cycles (1) [PCLK Sync. VGA setting] {SSITX, 0x00000118}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800CF}, // # Command setting of SPI block {SSITX, 0x00000101}, // # Blanking period control (1) [PCLK Sync. Table1 for VGA] {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800D0}, // # Command setting of SPI block {SSITX, 0x00080110}, // # Blanking period control (2) [PCLK Sync. Table1 for VGA] {SSITX, 0x00000104}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800D1}, // # Command setting of SPI block {SSITX, 0x00000101}, // # CKV timing control on/off [PCLK Sync. Table1 for VGA] {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800D2}, // # Command setting of SPI block {SSITX, 0x00080100}, // # CKV1,2 timing control [PCLK Sync. Table1 for VGA] {SSITX, 0x00000128}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800D3}, // # Command setting of SPI block {SSITX, 0x00080100}, // # OEV timing control [PCLK Sync. Table1 for VGA] {SSITX, 0x00000128}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800D4}, // # Command setting of SPI block {SSITX, 0x00080126}, // # ASW timing control (1) [PCLK Sync. Table1 for VGA] {SSITX, 0x000001A4}, // {0, 1}, // wait_ms(1); // # Wait SPI fifo empty {SSITX, 0x000800D5}, // # Command setting of SPI block {SSITX, 0x00000120}, // # ASW timing control (2) [PCLK Sync. Table1 for VGA] {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {SSITX, 0x000800EF}, // # Command setting of SPI block {SSITX, 0x00080132}, // # Total number of horizontal clock cycles (2) [PCLK Sync. Table1 for QVGA ] {SSITX, 0x00000100}, // {0, 2}, // wait_ms(2); // # Wait SPI fifo empty {BITMAP0, 0x032001E0}, // MDC.BITMAP0 ); // Setup of PITCH size to Frame buffer1 {BITMAP1, 0x032001E0}, // MDC.BITMAP1 ); // Setup of PITCH size to Frame buffer1 {BITMAP2, 0x014000F0}, // MDC.BITMAP3 ); // Setup of PITCH size to Frame buffer2 {BITMAP3, 0x014000F0}, // MDC.BITMAP4 ); // Setup of PITCH size to Frame buffer3 {BITMAP4, 0x014000F0}, // MDC.BITMAP5 ); // Setup of PITCH size to Frame buffer4 {CLKENB, 0x000001EB}, // SYS.CLKENB ); // DCLK supply {PORT_ENB, 0x00000001}, // LCD.PORT_ENB ); // Synchronous port enable {PORT, 0x00000004}, // LCD.PORT ); // Polarity of DE is set to high active {PXL, 0x00000002}, // LCD.PXL ); // ACTMODE 2 set (1st frame black data output) {MPLFBUF, 0x00000000}, // LCD.MPLFBUF ); // Select the reading buffer {HCYCLE, 0x0000010B}, // LCD.HCYCLE ); // Setup to VGA size {HSW, 0x00000003}, // LCD.HSW {HDE_START, 0x00000007}, // LCD.HDE_START {HDE_SIZE, 0x000000EF}, // LCD.HDE_SIZE {VCYCLE, 0x00000325}, // LCD.VCYCLE {VSW, 0x00000001}, // LCD.VSW {VDE_START, 0x00000003}, // LCD.VDE_START {VDE_SIZE, 0x0000031F}, // LCD.VDE_SIZE {START, 0x00000001}, // LCD.START ); // LCDC - Pixel data transfer start {0, 10}, // wait_ms( 10 ); {SSITX, 0x000800BC}, // SPI.SSITX ); // Command setting of SPI block {SSITX, 0x00000180}, // Display data setup {SSITX, 0x0008003B}, // Command setting of SPI block {SSITX, 0x00000100}, // Quad Data configuration - VGA {0, 1}, // wait_ms( 1 ); // Wait SPI fifo empty {SSITX, 0x000800B0}, // Command setting of SPI block {SSITX, 0x00000116}, // Power supply ON/OFF control {0, 1}, // wait_ms( 1 ); // Wait SPI fifo empty {SSITX, 0x000800B8}, // Command setting of SPI block {SSITX, 0x000801FF}, // Output control {SSITX, 0x000001F5}, {0, 1}, // wait_ms( 1); // Wait SPI fifo empty {SSITX, 0x00000011}, // wait_ms(-out (Command only) {0, 5}, // wait_ms( 1); // Wait SPI fifo empty {SSITX, 0x00000029}, // Display on (Command only) //{ SYSTEM_BLOCK1_BASE, 0x00000002 }, // # wakeREQ -> GPIO {0, 0} }; void mddi_panel_poweron(void) { display_common_power(1); } static void _panel_init(struct init_table *init_table) { unsigned n; dprintf(INFO, "panel_init()\n"); n = 0; while (init_table[n].reg != 0 || init_table[n].val != 0) { if (init_table[n].reg != 0) mddi_remote_write(init_table[n].val, init_table[n].reg); else mdelay(init_table[n].val); n++; } dprintf(INFO, "panel_init() done\n"); } void panel_init(struct mddi_client_caps *client_caps) { switch (client_caps->manufacturer_name) { case 0xd263: // Toshiba dprintf(INFO, "Found Toshiba panel\n"); _panel_init(toshiba_480x800_init_table); break; case 0x4474: //?? if (client_caps->product_code == 0xc065) dprintf(INFO, "Found WVGA panel\n"); break; } } #endif //mddi void panel_poweron(void) { #if DISPLAY_TYPE_LCDC if (board_machtype() == LINUX_MACHTYPE_7x30_FLUID) { sharp_lcdc_on(); } else { panel_backlight(1); lcdc_on(); } #endif } void panel_backlight(int on) { unsigned char reg_data = 0xA0; if (on) pmic_write(0x132, reg_data); else pmic_write(0x132, 0); } static unsigned wega_reset_gpio = GPIO_CFG(180, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA); static int display_common_power(int on) { int rc = 0, flag_on = !!on; static int display_common_power_save_on; unsigned int vreg_ldo12, vreg_ldo15, vreg_ldo20, vreg_ldo16, vreg_ldo8; if (display_common_power_save_on == flag_on) return 0; display_common_power_save_on = flag_on; if (on) { /* reset Toshiba WeGA chip -- toggle reset pin -- gpio_180 */ rc = gpio_tlmm_config(wega_reset_gpio, GPIO_ENABLE); if (rc) { return rc; } gpio_set(180, 0); /* bring reset line low to hold reset */ } // Set power for WEGA chip. // Set LD020 to 1.5V pmic_write(LDO20_CNTRL, 0x00 | LDO_LOCAL_EN_BMSK); mdelay(5); // Set LD012 to 1.8V pmic_write(LDO12_CNTRL, 0x06 | LDO_LOCAL_EN_BMSK); mdelay(5); // Set LD016 to 2.6V pmic_write(LDO16_CNTRL, 0x16 | LDO_LOCAL_EN_BMSK); mdelay(5); // Set LD015 to 3.0V pmic_write(LDO15_CNTRL, 0x1E | LDO_LOCAL_EN_BMSK); mdelay(5); gpio_set(180, 1); /* bring reset line high */ mdelay(10); /* 10 msec before IO can be accessed */ if (rc) { return rc; } return rc; } #if DISPLAY_TYPE_LCDC static struct msm_gpio lcd_panel_gpios[] = { {GPIO_CFG(45, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "spi_clk"}, {GPIO_CFG(46, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "spi_cs0"}, {GPIO_CFG(47, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_2MA), "spi_mosi"}, {GPIO_CFG(48, 0, GPIO_INPUT, GPIO_NO_PULL, GPIO_2MA), "spi_miso"} }; int lcdc_toshiba_panel_power(int on) { int rc, i; struct msm_gpio *gp; rc = display_common_power(on); if (rc < 0) { return rc; } if (on) { rc = platform_gpios_enable(lcd_panel_gpios, ARRAY_SIZE(lcd_panel_gpios)); if (rc) { return rc; } } else { /* off */ gp = lcd_panel_gpios; for (i = 0; i < ARRAY_SIZE(lcd_panel_gpios); i++) { /* ouput low */ gpio_set(GPIO_PIN(gp->gpio_cfg), 0); gp++; } } return rc; } static void toshiba_spi_write_byte(char dc, unsigned char data) { unsigned bit; int bnum; gpio_set(SPI_SCLK, 0); /* clk low */ /* dc: 0 for command, 1 for parameter */ gpio_set(SPI_MOSI, dc); mdelay(1); /* at least 20 ns */ gpio_set(SPI_SCLK, 1); /* clk high */ mdelay(1); /* at least 20 ns */ bnum = 8; /* 8 data bits */ bit = 0x80; while (bnum) { gpio_set(SPI_SCLK, 0); /* clk low */ if (data & bit) gpio_set(SPI_MOSI, 1); else gpio_set(SPI_MOSI, 0); mdelay(1); gpio_set(SPI_SCLK, 1); /* clk high */ mdelay(1); bit >>= 1; bnum--; } } static int toshiba_spi_write(char cmd, unsigned data, int num) { char *bp; gpio_set(SPI_CS, 1); /* cs high */ /* command byte first */ toshiba_spi_write_byte(0, cmd); /* followed by parameter bytes */ if (num) { bp = (char *)&data;; bp += (num - 1); while (num) { toshiba_spi_write_byte(1, *bp); num--; bp--; } } gpio_set(SPI_CS, 0); /* cs low */ mdelay(1); return 0; } void lcdc_disp_on(void) { gpio_set(SPI_CS, 0); /* low */ gpio_set(SPI_SCLK, 1); /* high */ gpio_set(SPI_MOSI, 0); gpio_set(SPI_MISO, 0); if (1) { toshiba_spi_write(0, 0, 0); mdelay(7); toshiba_spi_write(0, 0, 0); mdelay(7); toshiba_spi_write(0, 0, 0); mdelay(7); toshiba_spi_write(0xba, 0x11, 1); toshiba_spi_write(0x36, 0x00, 1); mdelay(1); toshiba_spi_write(0x3a, 0x60, 1); toshiba_spi_write(0xb1, 0x5d, 1); mdelay(1); toshiba_spi_write(0xb2, 0x33, 1); toshiba_spi_write(0xb3, 0x22, 1); mdelay(1); toshiba_spi_write(0xb4, 0x02, 1); toshiba_spi_write(0xb5, 0x1e, 1); /* vcs -- adjust brightness */ mdelay(1); toshiba_spi_write(0xb6, 0x27, 1); toshiba_spi_write(0xb7, 0x03, 1); mdelay(1); toshiba_spi_write(0xb9, 0x24, 1); toshiba_spi_write(0xbd, 0xa1, 1); mdelay(1); toshiba_spi_write(0xbb, 0x00, 1); toshiba_spi_write(0xbf, 0x01, 1); mdelay(1); toshiba_spi_write(0xbe, 0x00, 1); toshiba_spi_write(0xc0, 0x11, 1); mdelay(1); toshiba_spi_write(0xc1, 0x11, 1); toshiba_spi_write(0xc2, 0x11, 1); mdelay(1); toshiba_spi_write(0xc3, 0x3232, 2); mdelay(1); toshiba_spi_write(0xc4, 0x3232, 2); mdelay(1); toshiba_spi_write(0xc5, 0x3232, 2); mdelay(1); toshiba_spi_write(0xc6, 0x3232, 2); mdelay(1); toshiba_spi_write(0xc7, 0x6445, 2); mdelay(1); toshiba_spi_write(0xc8, 0x44, 1); toshiba_spi_write(0xc9, 0x52, 1); mdelay(1); toshiba_spi_write(0xca, 0x00, 1); mdelay(1); toshiba_spi_write(0xec, 0x02a4, 2); /* 0x02a4 */ mdelay(1); toshiba_spi_write(0xcf, 0x01, 1); mdelay(1); toshiba_spi_write(0xd0, 0xc003, 2); /* c003 */ mdelay(1); toshiba_spi_write(0xd1, 0x01, 1); mdelay(1); toshiba_spi_write(0xd2, 0x0028, 2); mdelay(1); toshiba_spi_write(0xd3, 0x0028, 2); mdelay(1); toshiba_spi_write(0xd4, 0x26a4, 2); mdelay(1); toshiba_spi_write(0xd5, 0x20, 1); mdelay(1); toshiba_spi_write(0xef, 0x3200, 2); mdelay(32); toshiba_spi_write(0xbc, 0x80, 1); /* wvga pass through */ toshiba_spi_write(0x3b, 0x00, 1); mdelay(1); toshiba_spi_write(0xb0, 0x16, 1); mdelay(1); toshiba_spi_write(0xb8, 0xfff5, 2); mdelay(1); toshiba_spi_write(0x11, 0, 0); mdelay(5); toshiba_spi_write(0x29, 0, 0); mdelay(5); } } void lcdc_on(void) { lcdc_toshiba_panel_power(1); lcdc_disp_on(); } struct lcdc_timing_parameters *get_lcd_timing(void) { if (board_machtype() == LINUX_MACHTYPE_7x30_FLUID) { return sharp_timing_param(); } else { return DEFAULT_LCD_TIMING; } } #endif