static void init_disp_comond(void) { unsigned char value; //init pin. printk("[%s][%d]\r\n",__FUNCTION__,__LINE__); cs_pin = gp_gpio_request(MK_GPIO_INDEX(0,0,48,15), NULL ); //IOA15 data_pin = gp_gpio_request(MK_GPIO_INDEX(1,0,12,0), NULL ); //IOB0 clk_pin = gp_gpio_request(MK_GPIO_INDEX(1,0,13,1), NULL ); //IOB1 gp_gpio_set_output(cs_pin,1,0); gp_gpio_set_output(data_pin,1,0); gp_gpio_set_output(clk_pin,1,0); sent_command(0x05,0x5f); read_command(0x05,&value); sent_command(0x05,0x1f); read_command(0x05,&value); sent_command(0x05,0x5f); read_command(0x05,&value); sent_command(0x2b,0x01); read_command(0x2b,&value); sent_command(0x00,0x09); read_command(0x00,&value); sent_command(0x01,0x9f); read_command(0x01,&value); //m-sent_command(0x03,0x60); sent_command(0x03,0x2e); read_command(0x03,&value); //m-sent_command(0x0d,0x60); sent_command(0x0d,0x50); read_command(0x0d,&value); //m-sent_command(0x04,0x1b); sent_command(0x04,0x18); read_command(0x04,&value); sent_command(0x16,0x04); read_command(0x16,&value); gp_gpio_release(cs_pin); gp_gpio_release(data_pin); gp_gpio_release(clk_pin); }
static void gpio_test_isr(void *data) { int p1 = (int)data; int p2; gp_gpio_enable_irq(p1, 0); p2 = gp_gpio_request(MK_GPIO_INDEX(2,2,4,6), "gpio_test"); /* IOC6 */ gp_gpio_set_output(p2, 1, 1); gp_gpio_release(p2); printk("!!! gpio_test_isr\n"); }
static int gp_touchpad_request_gpio(void) { //int ret = 0; //int value; printk("begin to request gpio\n"); gp_touchpad_irq_data->gpiohd = gp_gpio_request(MK_GPIO_INDEX( touchpad_set_scl_channel, touchpad_set_scl_func, touchpad_set_scl_gid, touchpad_set_scl_pin ), "touchpad"); if(IS_ERR_VALUE(gp_touchpad_irq_data->gpiohd)){ DIAG_ERROR("touchpad request gpio clk = %d\n", gp_touchpad_irq_data->gpiohd); return -EINVAL; } gp_gpio_set_function(gp_touchpad_irq_data->gpiohd, GPIO_FUNC_GPIO); printk("touchpad set gpio function handle=0x%x\n",gp_touchpad_irq_data->gpiohd); gp_gpio_set_direction(gp_touchpad_irq_data->gpiohd, GPIO_DIR_INPUT); printk("touchpad set gpio direction\n"); return 0; }
static int32_t lcd_resume( void ) { int32_t real_freq = 0; gp_board_panel_t *lcd_power; int handle; gpio_content_t ctx; printk("[%s:%d]\n", __FUNCTION__, __LINE__); lcd_power = gp_board_get_config("panel", gp_board_panel_t); gpHalDispSetDevType(HAL_DISP_DEV_LCD); // set lcd source : XTAL(27MHZ) gpHalClkLcdSetSrc(HAL_LCD_CLK_XTAL); // Set lcd clock rate, must enable before lcd clk on gp_clk_set_rate("clk_lcd", gPanelInfo.workFreq, &real_freq, NULL); gpHalDispSetClkType(gPanelInfo.clkType); #ifdef CONFIG_PM gp_enable_clock((int*)"READLTIME_ABT", 1); #endif gpHalLcdClkEnable(1); gpHalDispSetRes(gPanelInfo.width, gPanelInfo.height); gpHalDispSetLcdVsync(gPanelInfo.vsync); gpHalDispSetLcdHsync(gPanelInfo.hsync); gpHalDispSetPanelFormat(gPanelInfo.format, gPanelInfo.type, gPanelInfo.dataSeqEven, gPanelInfo.dataSeqOdd); gpHalDispSetClkPolarity(gPanelInfo.clkPolatiry); lcd_power->set_panelpowerOn0(1); /* Power on VCC, VGL, AVDD, VGH */ ctx.pin_index = MK_GPIO_INDEX( PCLK_channel, PCLK_func, PCLK_gid, PCLK_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, PCLK_func ); gp_gpio_release( handle ); ctx.pin_index = MK_GPIO_INDEX( B_DATA_channel, B_DATA_func, B_DATA_gid, B_DATA_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, B_DATA_func ); gp_gpio_release( handle ); ctx.pin_index = MK_GPIO_INDEX( G_DATA_channel, G_DATA_func, G_DATA_gid, G_DATA_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, G_DATA_func ); gp_gpio_release( handle ); ctx.pin_index = MK_GPIO_INDEX( R_DATA_channel, R_DATA_func, R_DATA_gid, R_DATA_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, R_DATA_func ); gp_gpio_release( handle ); lcd_power->set_panelpowerOn1(1); /* Set LCD RESET to high */ /* Set dither */ disp_set_dither_type(gPanelInfo.ditherType); disp_set_dither_param(gPanelInfo.pDitherParam); disp_set_dither_enable(1); /* Set color matrix */ disp_set_color_matrix(gPanelInfo.pColorMatrix); /* Set gamma table */ disp_set_gamma_enable(0); disp_set_gamma_table(SP_DISP_GAMMA_R, (uint8_t*) gPanelInfo.pGammaTable[SP_DISP_GAMMA_R]); disp_set_gamma_table(SP_DISP_GAMMA_G, (uint8_t*) gPanelInfo.pGammaTable[SP_DISP_GAMMA_G]); disp_set_gamma_table(SP_DISP_GAMMA_B, (uint8_t*) gPanelInfo.pGammaTable[SP_DISP_GAMMA_B]); disp_set_gamma_enable(1); gpHalDispSetPriDmaType(gPanelInfo.dmaType); gpHalDispSetOsdDmaType(0, gPanelInfo.dmaType); gpHalDispSetOsdDmaType(1, gPanelInfo.dmaType); return 0; }
static int32_t lcd_suspend( void ) { uint8_t white_gamma[256]; uint16_t i; gp_board_panel_t *lcd_power; int handle; gpio_content_t ctx; printk("[%s:%d]\n", __FUNCTION__, __LINE__); lcd_power = gp_board_get_config("panel", gp_board_panel_t); /* Set dither */ //disp_set_dither_type(gPanelInfo.ditherType); //disp_set_dither_param(gPanelInfo.pDitherParam); //disp_set_dither_enable(1); /* Set color matrix */ //disp_set_color_matrix(gPanelInfo.pColorMatrix); /* Set white gamma table */ for ( i = 0 ; i < 256 ; i++ ) { white_gamma[i] = 0xff; } disp_set_gamma_enable(0); disp_set_gamma_table(SP_DISP_GAMMA_R, (uint8_t*) white_gamma); disp_set_gamma_table(SP_DISP_GAMMA_G, (uint8_t*) white_gamma); disp_set_gamma_table(SP_DISP_GAMMA_B, (uint8_t*) white_gamma); disp_set_gamma_enable(1); //msleep(60); disp_wait_frame_end(); disp_wait_frame_end(); //LCD_RST to Low lcd_power->set_panelpowerOn1(0); // Disable LCD bus ctx.pin_index = MK_GPIO_INDEX( PCLK_channel, PCLK_GPIO, PCLK_gid, PCLK_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, PCLK_GPIO ); gp_gpio_release( handle ); for ( i = 0 ; i <= 10 ; i++ ) { ctx.pin_index = MK_GPIO_INDEX( PCLK_channel, PCLK_GPIO, PCLK_gid, i ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_output( handle, 0, 0 ); gp_gpio_release( handle ); } ctx.pin_index = MK_GPIO_INDEX( B_DATA_channel, B_DATA_GPIO, B_DATA_gid, B_DATA_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, B_DATA_GPIO ); gp_gpio_release( handle ); for ( i = 0 ; i <= 7 ; i++ ) { ctx.pin_index = MK_GPIO_INDEX( B_DATA_channel, B_DATA_GPIO, B_DATA_gid, i ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_output( handle, 0, 0 ); gp_gpio_release( handle ); } ctx.pin_index = MK_GPIO_INDEX( G_DATA_channel, G_DATA_GPIO, G_DATA_gid, G_DATA_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, G_DATA_GPIO ); gp_gpio_release( handle ); for ( i = 8 ; i <= 11 ; i++ ) { ctx.pin_index = MK_GPIO_INDEX( G_DATA_channel, G_DATA_GPIO, G_DATA_gid, i ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_output( handle, 0, 0 ); gp_gpio_release( handle ); } ctx.pin_index = MK_GPIO_INDEX( R_DATA_channel, R_DATA_GPIO, R_DATA_gid, R_DATA_pin ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_function( handle, R_DATA_GPIO ); gp_gpio_release( handle ); for ( i = 12 ; i <= 15 ; i++ ) { ctx.pin_index = MK_GPIO_INDEX( R_DATA_channel, R_DATA_GPIO, R_DATA_gid, i ); handle = gp_gpio_request( ctx.pin_index, NULL ); gp_gpio_set_output( handle, 0, 0 ); gp_gpio_release( handle ); } //VGH, AVDD, VGL, VCC to low lcd_power->set_panelpowerOn0(0); /* Disable lcd clock */ gpHalLcdClkEnable(0); #ifdef CONFIG_PM gp_enable_clock((int*)"READLTIME_ABT", 0); #endif return 0; }
/** * @brief Gpio device ioctl function */ static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret = 0; int handle; gpio_content_t ctx; switch (cmd) { case GPIO_IOCTL_SET_VALUE: { if (copy_from_user(&ctx, (void __user*)arg, sizeof(ctx))) { ret = -EFAULT; break; } handle = gp_gpio_request(ctx.pin_index, NULL); if (IS_ERR_VALUE(handle)) { ret = (long)handle; /* gpio request error code */ break; } ret = gp_gpio_set_output(handle, ctx.value, 0); gp_gpio_release(handle); } break; case GPIO_IOCTL_GET_VALUE: { if (copy_from_user(&ctx, (void __user*)arg, sizeof(ctx))) { ret = -EFAULT; break; } handle = gp_gpio_request(ctx.pin_index, NULL); if (IS_ERR_VALUE(handle)) { ret = (long)handle; /* gpio request error code */ break; } ret = gp_gpio_set_input(handle, GPIO_PULL_FLOATING); if (ret == 0) { ret = gp_gpio_get_value(handle, &ctx.value); if (ret == 0) { if (copy_to_user((void __user*)arg, &ctx, sizeof(ctx))) { ret = -EFAULT; } } } gp_gpio_release(handle); } break; case GPIO_IOCTL_SET_INPUT: { if (copy_from_user(&ctx, (void __user*)arg, sizeof(ctx))) { ret = -EFAULT; break; } handle = gp_gpio_request(ctx.pin_index, NULL); if (IS_ERR_VALUE(handle)) { ret = (long)handle; /* gpio request error code */ break; } ret = gp_gpio_set_input(handle, ctx.value); gp_gpio_release(handle); } break; case GPIO_IOCTL_IRQ_TEST: { if (copy_from_user(&ctx, (void __user*)arg, sizeof(ctx))) { ret = -EFAULT; break; } handle = gp_gpio_request(ctx.pin_index, "gpio_irq_test"); if (IS_ERR_VALUE(handle)) { ret = (long)handle; /* gpio request error code */ break; } ret = gp_gpio_set_input(handle, ctx.value); if(ctx.value == 1) gp_gpio_irq_property(handle, GPIO_IRQ_ACTIVE_FALING, NULL);//low triggle else gp_gpio_irq_property(handle, GPIO_IRQ_ACTIVE_RISING, NULL);//high triggle gp_gpio_register_isr(handle, gpio_test_isr, (void *)handle); } break; #ifdef GPIO_IOCTL_TEST case GPIO_IOCTL_TEST: { static int p1 = 0; int p2; if (p1 == 0) { printk("--- gpio test begin!\n"); p2 = gp_gpio_request(MK_GPIO_INDEX(2,2,4,6), "gpio_test"); /* IOC6 */ gp_gpio_set_output(p2, 0, 1); gp_gpio_release(p2); p1 = gp_gpio_request(MK_GPIO_INDEX(2,2,4,5), "gpio_test"); /* IOC5 */ gp_gpio_set_input(p1, GPIO_PULL_LOW); gp_gpio_irq_property(p1, GPIO_IRQ_LEVEL_TRIGGER|GPIO_IRQ_LEVEL_HIGH, NULL); gp_gpio_register_isr(p1, gpio_test_isr, (void *)p1); } else { gp_gpio_unregister_isr(p1); gp_gpio_release(p1); p1 = 0; printk("--- gpio test end!\n"); } } break; #endif default: ret = -ENOTTY; /* Inappropriate ioctl for device */ break; } return ret; }