From e3ed8b436bc32102ac2995940bc3a63c09755b63 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 9 Mar 2018 17:02:41 +0100 Subject: fbdev: remove blackfin drivers The blackfin architecture is getting removed, this removes the associated fbdev drivers as well. Acked-by: Bartlomiej Zolnierkiewicz Acked-by: Aaron Wu Signed-off-by: Arnd Bergmann --- drivers/video/fbdev/Kconfig | 103 ---- drivers/video/fbdev/Makefile | 5 - drivers/video/fbdev/bf537-lq035.c | 891 --------------------------------- drivers/video/fbdev/bf54x-lq043fb.c | 764 ---------------------------- drivers/video/fbdev/bfin-lq035q1-fb.c | 864 -------------------------------- drivers/video/fbdev/bfin-t350mcqb-fb.c | 669 ------------------------- drivers/video/fbdev/bfin_adv7393fb.c | 828 ------------------------------ drivers/video/fbdev/bfin_adv7393fb.h | 319 ------------ 8 files changed, 4443 deletions(-) delete mode 100644 drivers/video/fbdev/bf537-lq035.c delete mode 100644 drivers/video/fbdev/bf54x-lq043fb.c delete mode 100644 drivers/video/fbdev/bfin-lq035q1-fb.c delete mode 100644 drivers/video/fbdev/bfin-t350mcqb-fb.c delete mode 100644 drivers/video/fbdev/bfin_adv7393fb.c delete mode 100644 drivers/video/fbdev/bfin_adv7393fb.h (limited to 'drivers') diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 11e699f1062b..399573742487 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -580,109 +580,6 @@ config FB_VGA16 To compile this driver as a module, choose M here: the module will be called vga16fb. -config FB_BF54X_LQ043 - tristate "SHARP LQ043 TFT LCD (BF548 EZKIT)" - depends on FB && (BF54x) && !BF542 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the framebuffer device driver for a SHARP LQ043T1DG01 TFT LCD - -config FB_BFIN_T350MCQB - tristate "Varitronix COG-T350MCQB TFT LCD display (BF527 EZKIT)" - depends on FB && BLACKFIN - select BFIN_GPTIMERS - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the framebuffer device driver for a Varitronix VL-PS-COG-T350MCQB-01 display TFT LCD - This display is a QVGA 320x240 24-bit RGB display interfaced by an 8-bit wide PPI - It uses PPI[0..7] PPI_FS1, PPI_FS2 and PPI_CLK. - -config FB_BFIN_LQ035Q1 - tristate "SHARP LQ035Q1DH02 TFT LCD" - depends on FB && BLACKFIN && SPI - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - select BFIN_GPTIMERS - help - This is the framebuffer device driver for a SHARP LQ035Q1DH02 TFT display found on - the Blackfin Landscape LCD EZ-Extender Card. - This display is a QVGA 320x240 18-bit RGB display interfaced by an 16-bit wide PPI - It uses PPI[0..15] PPI_FS1, PPI_FS2 and PPI_CLK. - - To compile this driver as a module, choose M here: the - module will be called bfin-lq035q1-fb. - -config FB_BF537_LQ035 - tristate "SHARP LQ035 TFT LCD (BF537 STAMP)" - depends on FB && (BF534 || BF536 || BF537) && I2C_BLACKFIN_TWI - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - select BFIN_GPTIMERS - help - This is the framebuffer device for a SHARP LQ035Q7DB03 TFT LCD - attached to a BF537. - - To compile this driver as a module, choose M here: the - module will be called bf537-lq035. - -config FB_BFIN_7393 - tristate "Blackfin ADV7393 Video encoder" - depends on FB && BLACKFIN - select I2C - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the framebuffer device for a ADV7393 video encoder - attached to a Blackfin on the PPI port. - If your Blackfin board has a ADV7393 select Y. - - To compile this driver as a module, choose M here: the - module will be called bfin_adv7393fb. - -choice - prompt "Video mode support" - depends on FB_BFIN_7393 - default NTSC - -config NTSC - bool 'NTSC 720x480' - -config PAL - bool 'PAL 720x576' - -config NTSC_640x480 - bool 'NTSC 640x480 (Experimental)' - -config PAL_640x480 - bool 'PAL 640x480 (Experimental)' - -config NTSC_YCBCR - bool 'NTSC 720x480 YCbCR input' - -config PAL_YCBCR - bool 'PAL 720x576 YCbCR input' - -endchoice - -choice - prompt "Size of ADV7393 frame buffer memory Single/Double Size" - depends on (FB_BFIN_7393) - default ADV7393_1XMEM - -config ADV7393_1XMEM - bool 'Single' - -config ADV7393_2XMEM - bool 'Double' -endchoice - config FB_STI tristate "HP STI frame buffer device support" depends on FB && PARISC diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 115961e0721b..55282a21b500 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -136,11 +136,6 @@ obj-$(CONFIG_FB_VESA) += vesafb.o obj-$(CONFIG_FB_EFI) += efifb.o obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o -obj-$(CONFIG_FB_BF537_LQ035) += bf537-lq035.o -obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o -obj-$(CONFIG_FB_BFIN_LQ035Q1) += bfin-lq035q1-fb.o -obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o -obj-$(CONFIG_FB_BFIN_7393) += bfin_adv7393fb.o obj-$(CONFIG_FB_MX3) += mx3fb.o obj-$(CONFIG_FB_DA8XX) += da8xx-fb.o obj-$(CONFIG_FB_MXS) += mxsfb.o diff --git a/drivers/video/fbdev/bf537-lq035.c b/drivers/video/fbdev/bf537-lq035.c deleted file mode 100644 index ef29fb425122..000000000000 --- a/drivers/video/fbdev/bf537-lq035.c +++ /dev/null @@ -1,891 +0,0 @@ -/* - * Analog Devices Blackfin(BF537 STAMP) + SHARP TFT LCD. - * http://docs.blackfin.uclinux.org/doku.php?id=hw:cards:tft-lcd - * - * Copyright 2006-2010 Analog Devices Inc. - * Licensed under the GPL-2. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#define NO_BL 1 - -#define MAX_BRIGHENESS 95 -#define MIN_BRIGHENESS 5 -#define NBR_PALETTE 256 - -static const unsigned short ppi_pins[] = { - P_PPI0_CLK, P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, - P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, - P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, P_PPI0_D11, - P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15, 0 -}; - -static unsigned char *fb_buffer; /* RGB Buffer */ -static unsigned long *dma_desc_table; -static int t_conf_done, lq035_open_cnt; -static DEFINE_SPINLOCK(bfin_lq035_lock); - -static int landscape; -module_param(landscape, int, 0); -MODULE_PARM_DESC(landscape, - "LANDSCAPE use 320x240 instead of Native 240x320 Resolution"); - -static int bgr; -module_param(bgr, int, 0); -MODULE_PARM_DESC(bgr, - "BGR use 16-bit BGR-565 instead of RGB-565"); - -static int nocursor = 1; -module_param(nocursor, int, 0644); -MODULE_PARM_DESC(nocursor, "cursor enable/disable"); - -static unsigned long current_brightness; /* backlight */ - -/* AD5280 vcomm */ -static unsigned char vcomm_value = 150; -static struct i2c_client *ad5280_client; - -static void set_vcomm(void) -{ - int nr; - - if (!ad5280_client) - return; - - nr = i2c_smbus_write_byte_data(ad5280_client, 0x00, vcomm_value); - if (nr) - pr_err("i2c_smbus_write_byte_data fail: %d\n", nr); -} - -static int ad5280_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int ret; - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); - return -EIO; - } - - ret = i2c_smbus_write_byte_data(client, 0x00, vcomm_value); - if (ret) { - dev_err(&client->dev, "write fail: %d\n", ret); - return ret; - } - - ad5280_client = client; - - return 0; -} - -static int ad5280_remove(struct i2c_client *client) -{ - ad5280_client = NULL; - return 0; -} - -static const struct i2c_device_id ad5280_id[] = { - {"bf537-lq035-ad5280", 0}, - {} -}; - -MODULE_DEVICE_TABLE(i2c, ad5280_id); - -static struct i2c_driver ad5280_driver = { - .driver = { - .name = "bf537-lq035-ad5280", - }, - .probe = ad5280_probe, - .remove = ad5280_remove, - .id_table = ad5280_id, -}; - -#ifdef CONFIG_PNAV10 -#define MOD GPIO_PH13 - -#define bfin_write_TIMER_LP_CONFIG bfin_write_TIMER0_CONFIG -#define bfin_write_TIMER_LP_WIDTH bfin_write_TIMER0_WIDTH -#define bfin_write_TIMER_LP_PERIOD bfin_write_TIMER0_PERIOD -#define bfin_read_TIMER_LP_COUNTER bfin_read_TIMER0_COUNTER -#define TIMDIS_LP TIMDIS0 -#define TIMEN_LP TIMEN0 - -#define bfin_write_TIMER_SPS_CONFIG bfin_write_TIMER1_CONFIG -#define bfin_write_TIMER_SPS_WIDTH bfin_write_TIMER1_WIDTH -#define bfin_write_TIMER_SPS_PERIOD bfin_write_TIMER1_PERIOD -#define TIMDIS_SPS TIMDIS1 -#define TIMEN_SPS TIMEN1 - -#define bfin_write_TIMER_SP_CONFIG bfin_write_TIMER5_CONFIG -#define bfin_write_TIMER_SP_WIDTH bfin_write_TIMER5_WIDTH -#define bfin_write_TIMER_SP_PERIOD bfin_write_TIMER5_PERIOD -#define TIMDIS_SP TIMDIS5 -#define TIMEN_SP TIMEN5 - -#define bfin_write_TIMER_PS_CLS_CONFIG bfin_write_TIMER2_CONFIG -#define bfin_write_TIMER_PS_CLS_WIDTH bfin_write_TIMER2_WIDTH -#define bfin_write_TIMER_PS_CLS_PERIOD bfin_write_TIMER2_PERIOD -#define TIMDIS_PS_CLS TIMDIS2 -#define TIMEN_PS_CLS TIMEN2 - -#define bfin_write_TIMER_REV_CONFIG bfin_write_TIMER3_CONFIG -#define bfin_write_TIMER_REV_WIDTH bfin_write_TIMER3_WIDTH -#define bfin_write_TIMER_REV_PERIOD bfin_write_TIMER3_PERIOD -#define TIMDIS_REV TIMDIS3 -#define TIMEN_REV TIMEN3 -#define bfin_read_TIMER_REV_COUNTER bfin_read_TIMER3_COUNTER - -#define FREQ_PPI_CLK (5*1024*1024) /* PPI_CLK 5MHz */ - -#define TIMERS {P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR5, 0} - -#else - -#define UD GPIO_PF13 /* Up / Down */ -#define MOD GPIO_PF10 -#define LBR GPIO_PF14 /* Left Right */ - -#define bfin_write_TIMER_LP_CONFIG bfin_write_TIMER6_CONFIG -#define bfin_write_TIMER_LP_WIDTH bfin_write_TIMER6_WIDTH -#define bfin_write_TIMER_LP_PERIOD bfin_write_TIMER6_PERIOD -#define bfin_read_TIMER_LP_COUNTER bfin_read_TIMER6_COUNTER -#define TIMDIS_LP TIMDIS6 -#define TIMEN_LP TIMEN6 - -#define bfin_write_TIMER_SPS_CONFIG bfin_write_TIMER1_CONFIG -#define bfin_write_TIMER_SPS_WIDTH bfin_write_TIMER1_WIDTH -#define bfin_write_TIMER_SPS_PERIOD bfin_write_TIMER1_PERIOD -#define TIMDIS_SPS TIMDIS1 -#define TIMEN_SPS TIMEN1 - -#define bfin_write_TIMER_SP_CONFIG bfin_write_TIMER0_CONFIG -#define bfin_write_TIMER_SP_WIDTH bfin_write_TIMER0_WIDTH -#define bfin_write_TIMER_SP_PERIOD bfin_write_TIMER0_PERIOD -#define TIMDIS_SP TIMDIS0 -#define TIMEN_SP TIMEN0 - -#define bfin_write_TIMER_PS_CLS_CONFIG bfin_write_TIMER7_CONFIG -#define bfin_write_TIMER_PS_CLS_WIDTH bfin_write_TIMER7_WIDTH -#define bfin_write_TIMER_PS_CLS_PERIOD bfin_write_TIMER7_PERIOD -#define TIMDIS_PS_CLS TIMDIS7 -#define TIMEN_PS_CLS TIMEN7 - -#define bfin_write_TIMER_REV_CONFIG bfin_write_TIMER5_CONFIG -#define bfin_write_TIMER_REV_WIDTH bfin_write_TIMER5_WIDTH -#define bfin_write_TIMER_REV_PERIOD bfin_write_TIMER5_PERIOD -#define TIMDIS_REV TIMDIS5 -#define TIMEN_REV TIMEN5 -#define bfin_read_TIMER_REV_COUNTER bfin_read_TIMER5_COUNTER - -#define FREQ_PPI_CLK (6*1000*1000) /* PPI_CLK 6MHz */ -#define TIMERS {P_TMR0, P_TMR1, P_TMR5, P_TMR6, P_TMR7, 0} - -#endif - -#define LCD_X_RES 240 /* Horizontal Resolution */ -#define LCD_Y_RES 320 /* Vertical Resolution */ - -#define LCD_BBP 16 /* Bit Per Pixel */ - -/* the LCD and the DMA start counting differently; - * since one starts at 0 and the other starts at 1, - * we have a difference of 1 between START_LINES - * and U_LINES. - */ -#define START_LINES 8 /* lines for field flyback or field blanking signal */ -#define U_LINES 9 /* number of undisplayed blanking lines */ - -#define FRAMES_PER_SEC (60) - -#define DCLKS_PER_FRAME (FREQ_PPI_CLK/FRAMES_PER_SEC) -#define DCLKS_PER_LINE (DCLKS_PER_FRAME/(LCD_Y_RES+U_LINES)) - -#define PPI_CONFIG_VALUE (PORT_DIR|XFR_TYPE|DLEN_16|POLS) -#define PPI_DELAY_VALUE (0) -#define TIMER_CONFIG (PWM_OUT|PERIOD_CNT|TIN_SEL|CLK_SEL) - -#define ACTIVE_VIDEO_MEM_OFFSET (LCD_X_RES*START_LINES*(LCD_BBP/8)) -#define ACTIVE_VIDEO_MEM_SIZE (LCD_Y_RES*LCD_X_RES*(LCD_BBP/8)) -#define TOTAL_VIDEO_MEM_SIZE ((LCD_Y_RES+U_LINES)*LCD_X_RES*(LCD_BBP/8)) -#define TOTAL_DMA_DESC_SIZE (2 * sizeof(u32) * (LCD_Y_RES + U_LINES)) - -static void start_timers(void) /* CHECK with HW */ -{ - unsigned long flags; - - local_irq_save(flags); - - bfin_write_TIMER_ENABLE(TIMEN_REV); - SSYNC(); - - while (bfin_read_TIMER_REV_COUNTER() <= 11) - continue; - bfin_write_TIMER_ENABLE(TIMEN_LP); - SSYNC(); - - while (bfin_read_TIMER_LP_COUNTER() < 3) - continue; - bfin_write_TIMER_ENABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS); - SSYNC(); - t_conf_done = 1; - local_irq_restore(flags); -} - -static void config_timers(void) -{ - /* Stop timers */ - bfin_write_TIMER_DISABLE(TIMDIS_SP|TIMDIS_SPS|TIMDIS_REV| - TIMDIS_LP|TIMDIS_PS_CLS); - SSYNC(); - - /* LP, timer 6 */ - bfin_write_TIMER_LP_CONFIG(TIMER_CONFIG|PULSE_HI); - bfin_write_TIMER_LP_WIDTH(1); - - bfin_write_TIMER_LP_PERIOD(DCLKS_PER_LINE); - SSYNC(); - - /* SPS, timer 1 */ - bfin_write_TIMER_SPS_CONFIG(TIMER_CONFIG|PULSE_HI); - bfin_write_TIMER_SPS_WIDTH(DCLKS_PER_LINE*2); - bfin_write_TIMER_SPS_PERIOD((DCLKS_PER_LINE * (LCD_Y_RES+U_LINES))); - SSYNC(); - - /* SP, timer 0 */ - bfin_write_TIMER_SP_CONFIG(TIMER_CONFIG|PULSE_HI); - bfin_write_TIMER_SP_WIDTH(1); - bfin_write_TIMER_SP_PERIOD(DCLKS_PER_LINE); - SSYNC(); - - /* PS & CLS, timer 7 */ - bfin_write_TIMER_PS_CLS_CONFIG(TIMER_CONFIG); - bfin_write_TIMER_PS_CLS_WIDTH(LCD_X_RES + START_LINES); - bfin_write_TIMER_PS_CLS_PERIOD(DCLKS_PER_LINE); - - SSYNC(); - -#ifdef NO_BL - /* REV, timer 5 */ - bfin_write_TIMER_REV_CONFIG(TIMER_CONFIG|PULSE_HI); - - bfin_write_TIMER_REV_WIDTH(DCLKS_PER_LINE); - bfin_write_TIMER_REV_PERIOD(DCLKS_PER_LINE*2); - - SSYNC(); -#endif -} - -static void config_ppi(void) -{ - bfin_write_PPI_DELAY(PPI_DELAY_VALUE); - bfin_write_PPI_COUNT(LCD_X_RES-1); - /* 0x10 -> PORT_CFG -> 2 or 3 frame syncs */ - bfin_write_PPI_CONTROL((PPI_CONFIG_VALUE|0x10) & (~POLS)); -} - -static int config_dma(void) -{ - u32 i; - - if (landscape) { - - for (i = 0; i < U_LINES; ++i) { - /* blanking lines point to first line of fb_buffer */ - dma_desc_table[2*i] = (unsigned long)&dma_desc_table[2*i+2]; - dma_desc_table[2*i+1] = (unsigned long)fb_buffer; - } - - for (i = U_LINES; i < U_LINES + LCD_Y_RES; ++i) { - /* visible lines */ - dma_desc_table[2*i] = (unsigned long)&dma_desc_table[2*i+2]; - dma_desc_table[2*i+1] = (unsigned long)fb_buffer + - (LCD_Y_RES+U_LINES-1-i)*2; - } - - /* last descriptor points to first */ - dma_desc_table[2*(LCD_Y_RES+U_LINES-1)] = (unsigned long)&dma_desc_table[0]; - - set_dma_x_count(CH_PPI, LCD_X_RES); - set_dma_x_modify(CH_PPI, LCD_Y_RES * (LCD_BBP / 8)); - set_dma_y_count(CH_PPI, 0); - set_dma_y_modify(CH_PPI, 0); - set_dma_next_desc_addr(CH_PPI, (void *)dma_desc_table[0]); - set_dma_config(CH_PPI, DMAFLOW_LARGE | NDSIZE_4 | WDSIZE_16); - - } else { - - set_dma_config(CH_PPI, set_bfin_dma_config(DIR_READ, - DMA_FLOW_AUTO, - INTR_DISABLE, - DIMENSION_2D, - DATA_SIZE_16, - DMA_NOSYNC_KEEP_DMA_BUF)); - set_dma_x_count(CH_PPI, LCD_X_RES); - set_dma_x_modify(CH_PPI, LCD_BBP / 8); - set_dma_y_count(CH_PPI, LCD_Y_RES+U_LINES); - set_dma_y_modify(CH_PPI, LCD_BBP / 8); - set_dma_start_addr(CH_PPI, (unsigned long) fb_buffer); - } - - return 0; -} - -static int request_ports(void) -{ - u16 tmr_req[] = TIMERS; - - /* - UD: PF13 - MOD: PF10 - LBR: PF14 - PPI_CLK: PF15 - */ - - if (peripheral_request_list(ppi_pins, KBUILD_MODNAME)) { - pr_err("requesting PPI peripheral failed\n"); - return -EBUSY; - } - - if (peripheral_request_list(tmr_req, KBUILD_MODNAME)) { - peripheral_free_list(ppi_pins); - pr_err("requesting timer peripheral failed\n"); - return -EBUSY; - } - -#if (defined(UD) && defined(LBR)) - if (gpio_request_one(UD, GPIOF_OUT_INIT_LOW, KBUILD_MODNAME)) { - pr_err("requesting GPIO %d failed\n", UD); - return -EBUSY; - } - - if (gpio_request_one(LBR, GPIOF_OUT_INIT_HIGH, KBUILD_MODNAME)) { - pr_err("requesting GPIO %d failed\n", LBR); - gpio_free(UD); - return -EBUSY; - } -#endif - - if (gpio_request_one(MOD, GPIOF_OUT_INIT_HIGH, KBUILD_MODNAME)) { - pr_err("requesting GPIO %d failed\n", MOD); -#if (defined(UD) && defined(LBR)) - gpio_free(LBR); - gpio_free(UD); -#endif - return -EBUSY; - } - - SSYNC(); - return 0; -} - -static void free_ports(void) -{ - u16 tmr_req[] = TIMERS; - - peripheral_free_list(ppi_pins); - peripheral_free_list(tmr_req); - -#if defined(UD) && defined(LBR) - gpio_free(LBR); - gpio_free(UD); -#endif - gpio_free(MOD); -} - -static struct fb_info bfin_lq035_fb; - -static struct fb_var_screeninfo bfin_lq035_fb_defined = { - .bits_per_pixel = LCD_BBP, - .activate = FB_ACTIVATE_TEST, - .xres = LCD_X_RES, /*default portrait mode RGB*/ - .yres = LCD_Y_RES, - .xres_virtual = LCD_X_RES, - .yres_virtual = LCD_Y_RES, - .height = -1, - .width = -1, - .left_margin = 0, - .right_margin = 0, - .upper_margin = 0, - .lower_margin = 0, - .red = {11, 5, 0}, - .green = {5, 6, 0}, - .blue = {0, 5, 0}, - .transp = {0, 0, 0}, -}; - -static struct fb_fix_screeninfo bfin_lq035_fb_fix = { - .id = KBUILD_MODNAME, - .smem_len = ACTIVE_VIDEO_MEM_SIZE, - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .xpanstep = 0, - .ypanstep = 0, - .line_length = LCD_X_RES*(LCD_BBP/8), - .accel = FB_ACCEL_NONE, -}; - - -static int bfin_lq035_fb_open(struct fb_info *info, int user) -{ - unsigned long flags; - - spin_lock_irqsave(&bfin_lq035_lock, flags); - lq035_open_cnt++; - spin_unlock_irqrestore(&bfin_lq035_lock, flags); - - if (lq035_open_cnt <= 1) { - bfin_write_PPI_CONTROL(0); - SSYNC(); - - set_vcomm(); - config_dma(); - config_ppi(); - - /* start dma */ - enable_dma(CH_PPI); - SSYNC(); - bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN); - SSYNC(); - - if (!t_conf_done) { - config_timers(); - start_timers(); - } - /* gpio_set_value(MOD,1); */ - } - - return 0; -} - -static int bfin_lq035_fb_release(struct fb_info *info, int user) -{ - unsigned long flags; - - spin_lock_irqsave(&bfin_lq035_lock, flags); - lq035_open_cnt--; - spin_unlock_irqrestore(&bfin_lq035_lock, flags); - - - if (lq035_open_cnt <= 0) { - - bfin_write_PPI_CONTROL(0); - SSYNC(); - - disable_dma(CH_PPI); - } - - return 0; -} - - -static int bfin_lq035_fb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - switch (var->bits_per_pixel) { - case 16:/* DIRECTCOLOUR, 64k */ - var->red.offset = info->var.red.offset; - var->green.offset = info->var.green.offset; - var->blue.offset = info->var.blue.offset; - var->red.length = info->var.red.length; - var->green.length = info->var.green.length; - var->blue.length = info->var.blue.length; - var->transp.offset = 0; - var->transp.length = 0; - var->transp.msb_right = 0; - var->red.msb_right = 0; - var->green.msb_right = 0; - var->blue.msb_right = 0; - break; - default: - pr_debug("%s: depth not supported: %u BPP\n", __func__, - var->bits_per_pixel); - return -EINVAL; - } - - if (info->var.xres != var->xres || - info->var.yres != var->yres || - info->var.xres_virtual != var->xres_virtual || - info->var.yres_virtual != var->yres_virtual) { - pr_debug("%s: Resolution not supported: X%u x Y%u\n", - __func__, var->xres, var->yres); - return -EINVAL; - } - - /* - * Memory limit - */ - - if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { - pr_debug("%s: Memory Limit requested yres_virtual = %u\n", - __func__, var->yres_virtual); - return -ENOMEM; - } - - return 0; -} - -static int bfin_lq035_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - if (nocursor) - return 0; - else - return -EINVAL; /* just to force soft_cursor() call */ -} - -static int bfin_lq035_fb_setcolreg(u_int regno, u_int red, u_int green, - u_int blue, u_int transp, - struct fb_info *info) -{ - if (regno >= NBR_PALETTE) - return -EINVAL; - - if (info->var.grayscale) - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - - if (info->fix.visual == FB_VISUAL_TRUECOLOR) { - - u32 value; - /* Place color in the pseudopalette */ - if (regno > 16) - return -EINVAL; - - red >>= (16 - info->var.red.length); - green >>= (16 - info->var.green.length); - blue >>= (16 - info->var.blue.length); - - value = (red << info->var.red.offset) | - (green << info->var.green.offset)| - (blue << info->var.blue.offset); - value &= 0xFFFF; - - ((u32 *) (info->pseudo_palette))[regno] = value; - - } - - return 0; -} - -static struct fb_ops bfin_lq035_fb_ops = { - .owner = THIS_MODULE, - .fb_open = bfin_lq035_fb_open, - .fb_release = bfin_lq035_fb_release, - .fb_check_var = bfin_lq035_fb_check_var, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_cursor = bfin_lq035_fb_cursor, - .fb_setcolreg = bfin_lq035_fb_setcolreg, -}; - -static int bl_get_brightness(struct backlight_device *bd) -{ - return current_brightness; -} - -static const struct backlight_ops bfin_lq035fb_bl_ops = { - .get_brightness = bl_get_brightness, -}; - -static struct backlight_device *bl_dev; - -static int bfin_lcd_get_power(struct lcd_device *dev) -{ - return 0; -} - -static int bfin_lcd_set_power(struct lcd_device *dev, int power) -{ - return 0; -} - -static int bfin_lcd_get_contrast(struct lcd_device *dev) -{ - return (int)vcomm_value; -} - -static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast) -{ - if (contrast > 255) - contrast = 255; - if (contrast < 0) - contrast = 0; - - vcomm_value = (unsigned char)contrast; - set_vcomm(); - return 0; -} - -static int bfin_lcd_check_fb(struct lcd_device *lcd, struct fb_info *fi) -{ - if (!fi || (fi == &bfin_lq035_fb)) - return 1; - return 0; -} - -static struct lcd_ops bfin_lcd_ops = { - .get_power = bfin_lcd_get_power, - .set_power = bfin_lcd_set_power, - .get_contrast = bfin_lcd_get_contrast, - .set_contrast = bfin_lcd_set_contrast, - .check_fb = bfin_lcd_check_fb, -}; - -static struct lcd_device *lcd_dev; - -static int bfin_lq035_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - dma_addr_t dma_handle; - int ret; - - if (request_dma(CH_PPI, KBUILD_MODNAME)) { - pr_err("couldn't request PPI DMA\n"); - return -EFAULT; - } - - if (request_ports()) { - pr_err("couldn't request gpio port\n"); - ret = -EFAULT; - goto out_ports; - } - - fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, - &dma_handle, GFP_KERNEL); - if (fb_buffer == NULL) { - pr_err("couldn't allocate dma buffer\n"); - ret = -ENOMEM; - goto out_dma_coherent; - } - - if (L1_DATA_A_LENGTH) - dma_desc_table = l1_data_sram_zalloc(TOTAL_DMA_DESC_SIZE); - else - dma_desc_table = dma_alloc_coherent(NULL, TOTAL_DMA_DESC_SIZE, - &dma_handle, 0); - - if (dma_desc_table == NULL) { - pr_err("couldn't allocate dma descriptor\n"); - ret = -ENOMEM; - goto out_table; - } - - bfin_lq035_fb.screen_base = (void *)fb_buffer; - bfin_lq035_fb_fix.smem_start = (int)fb_buffer; - if (landscape) { - bfin_lq035_fb_defined.xres = LCD_Y_RES; - bfin_lq035_fb_defined.yres = LCD_X_RES; - bfin_lq035_fb_defined.xres_virtual = LCD_Y_RES; - bfin_lq035_fb_defined.yres_virtual = LCD_X_RES; - - bfin_lq035_fb_fix.line_length = LCD_Y_RES*(LCD_BBP/8); - } else { - bfin_lq035_fb.screen_base += ACTIVE_VIDEO_MEM_OFFSET; - bfin_lq035_fb_fix.smem_start += ACTIVE_VIDEO_MEM_OFFSET; - } - - bfin_lq035_fb_defined.green.msb_right = 0; - bfin_lq035_fb_defined.red.msb_right = 0; - bfin_lq035_fb_defined.blue.msb_right = 0; - bfin_lq035_fb_defined.green.offset = 5; - bfin_lq035_fb_defined.green.length = 6; - bfin_lq035_fb_defined.red.length = 5; - bfin_lq035_fb_defined.blue.length = 5; - - if (bgr) { - bfin_lq035_fb_defined.red.offset = 0; - bfin_lq035_fb_defined.blue.offset = 11; - } else { - bfin_lq035_fb_defined.red.offset = 11; - bfin_lq035_fb_defined.blue.offset = 0; - } - - bfin_lq035_fb.fbops = &bfin_lq035_fb_ops; - bfin_lq035_fb.var = bfin_lq035_fb_defined; - - bfin_lq035_fb.fix = bfin_lq035_fb_fix; - bfin_lq035_fb.flags = FBINFO_DEFAULT; - - - bfin_lq035_fb.pseudo_palette = devm_kzalloc(&pdev->dev, - sizeof(u32) * 16, - GFP_KERNEL); - if (bfin_lq035_fb.pseudo_palette == NULL) { - pr_err("failed to allocate pseudo_palette\n"); - ret = -ENOMEM; - goto out_table; - } - - if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) { - pr_err("failed to allocate colormap (%d entries)\n", - NBR_PALETTE); - ret = -EFAULT; - goto out_table; - } - - if (register_framebuffer(&bfin_lq035_fb) < 0) { - pr_err("unable to register framebuffer\n"); - ret = -EINVAL; - goto out_reg; - } - - i2c_add_driver(&ad5280_driver); - - memset(&props, 0, sizeof(props)); - props.type = BACKLIGHT_RAW; - props.max_brightness = MAX_BRIGHENESS; - bl_dev = backlight_device_register("bf537-bl", NULL, NULL, - &bfin_lq035fb_bl_ops, &props); - - lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL, - &bfin_lcd_ops); - if (IS_ERR(lcd_dev)) { - pr_err("unable to register lcd\n"); - ret = PTR_ERR(lcd_dev); - goto out_lcd; - } - lcd_dev->props.max_contrast = 255, - - pr_info("initialized"); - - return 0; -out_lcd: - unregister_framebuffer(&bfin_lq035_fb); -out_reg: - fb_dealloc_cmap(&bfin_lq035_fb.cmap); -out_table: - dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); - fb_buffer = NULL; -out_dma_coherent: - free_ports(); -out_ports: - free_dma(CH_PPI); - return ret; -} - -static int bfin_lq035_remove(struct platform_device *pdev) -{ - if (fb_buffer != NULL) - dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); - - if (L1_DATA_A_LENGTH) - l1_data_sram_free(dma_desc_table); - else - dma_free_coherent(NULL, TOTAL_DMA_DESC_SIZE, NULL, 0); - - bfin_write_TIMER_DISABLE(TIMEN_SP|TIMEN_SPS|TIMEN_PS_CLS| - TIMEN_LP|TIMEN_REV); - t_conf_done = 0; - - free_dma(CH_PPI); - - - fb_dealloc_cmap(&bfin_lq035_fb.cmap); - - - lcd_device_unregister(lcd_dev); - backlight_device_unregister(bl_dev); - - unregister_framebuffer(&bfin_lq035_fb); - i2c_del_driver(&ad5280_driver); - - free_ports(); - - pr_info("unregistered LCD driver\n"); - - return 0; -} - -#ifdef CONFIG_PM -static int bfin_lq035_suspend(struct platform_device *pdev, pm_message_t state) -{ - if (lq035_open_cnt > 0) { - bfin_write_PPI_CONTROL(0); - SSYNC(); - disable_dma(CH_PPI); - } - - return 0; -} - -static int bfin_lq035_resume(struct platform_device *pdev) -{ - if (lq035_open_cnt > 0) { - bfin_write_PPI_CONTROL(0); - SSYNC(); - - config_dma(); - config_ppi(); - - enable_dma(CH_PPI); - bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN); - SSYNC(); - - config_timers(); - start_timers(); - } else { - t_conf_done = 0; - } - - return 0; -} -#else -# define bfin_lq035_suspend NULL -# define bfin_lq035_resume NULL -#endif - -static struct platform_driver bfin_lq035_driver = { - .probe = bfin_lq035_probe, - .remove = bfin_lq035_remove, - .suspend = bfin_lq035_suspend, - .resume = bfin_lq035_resume, - .driver = { - .name = KBUILD_MODNAME, - }, -}; - -static int __init bfin_lq035_driver_init(void) -{ - request_module("i2c-bfin-twi"); - return platform_driver_register(&bfin_lq035_driver); -} -module_init(bfin_lq035_driver_init); - -static void __exit bfin_lq035_driver_cleanup(void) -{ - platform_driver_unregister(&bfin_lq035_driver); -} -module_exit(bfin_lq035_driver_cleanup); - -MODULE_DESCRIPTION("SHARP LQ035Q7DB03 TFT LCD Driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/bf54x-lq043fb.c b/drivers/video/fbdev/bf54x-lq043fb.c deleted file mode 100644 index 8f1f97c75619..000000000000 --- a/drivers/video/fbdev/bf54x-lq043fb.c +++ /dev/null @@ -1,764 +0,0 @@ -/* - * File: drivers/video/bf54x-lq043.c - * Based on: - * Author: Michael Hennerich - * - * Created: - * Description: ADSP-BF54x Framebuffer driver - * - * - * Modified: - * Copyright 2007-2008 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include - -#define NO_BL_SUPPORT - -#define DRIVER_NAME "bf54x-lq043" -static char driver_name[] = DRIVER_NAME; - -#define BFIN_LCD_NBR_PALETTE_ENTRIES 256 - -#define EPPI0_18 {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, \ - P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, P_PPI0_D8, P_PPI0_D9, P_PPI0_D10, \ - P_PPI0_D11, P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, P_PPI0_D15, P_PPI0_D16, P_PPI0_D17, 0} - -#define EPPI0_24 {P_PPI0_D18, P_PPI0_D19, P_PPI0_D20, P_PPI0_D21, P_PPI0_D22, P_PPI0_D23, 0} - -struct bfin_bf54xfb_info { - struct fb_info *fb; - struct device *dev; - - struct bfin_bf54xfb_mach_info *mach_info; - - unsigned char *fb_buffer; /* RGB Buffer */ - - dma_addr_t dma_handle; - int lq043_open_cnt; - int irq; - spinlock_t lock; /* lock */ -}; - -static int nocursor; -module_param(nocursor, int, 0644); -MODULE_PARM_DESC(nocursor, "cursor enable/disable"); - -static int outp_rgb666; -module_param(outp_rgb666, int, 0); -MODULE_PARM_DESC(outp_rgb666, "Output 18-bit RGB666"); - -#define LCD_X_RES 480 /*Horizontal Resolution */ -#define LCD_Y_RES 272 /* Vertical Resolution */ - -#define LCD_BPP 24 /* Bit Per Pixel */ -#define DMA_BUS_SIZE 32 - -/* -- Horizontal synchronizing -- - * - * Timing characteristics taken from the SHARP LQ043T1DG01 datasheet - * (LCY-W-06602A Page 9 of 22) - * - * Clock Frequency 1/Tc Min 7.83 Typ 9.00 Max 9.26 MHz - * - * Period TH - 525 - Clock - * Pulse width THp - 41 - Clock - * Horizontal period THd - 480 - Clock - * Back porch THb - 2 - Clock - * Front porch THf - 2 - Clock - * - * -- Vertical synchronizing -- - * Period TV - 286 - Line - * Pulse width TVp - 10 - Line - * Vertical period TVd - 272 - Line - * Back porch TVb - 2 - Line - * Front porch TVf - 2 - Line - */ - -#define LCD_CLK (8*1000*1000) /* 8MHz */ - -/* # active data to transfer after Horizontal Delay clock */ -#define EPPI_HCOUNT LCD_X_RES - -/* # active lines to transfer after Vertical Delay clock */ -#define EPPI_VCOUNT LCD_Y_RES - -/* Samples per Line = 480 (active data) + 45 (padding) */ -#define EPPI_LINE 525 - -/* Lines per Frame = 272 (active data) + 14 (padding) */ -#define EPPI_FRAME 286 - -/* FS1 (Hsync) Width (Typical)*/ -#define EPPI_FS1W_HBL 41 - -/* FS1 (Hsync) Period (Typical) */ -#define EPPI_FS1P_AVPL EPPI_LINE - -/* Horizontal Delay clock after assertion of Hsync (Typical) */ -#define EPPI_HDELAY 43 - -/* FS2 (Vsync) Width = FS1 (Hsync) Period * 10 */ -#define EPPI_FS2W_LVB (EPPI_LINE * 10) - - /* FS2 (Vsync) Period = FS1 (Hsync) Period * Lines per Frame */ -#define EPPI_FS2P_LAVF (EPPI_LINE * EPPI_FRAME) - -/* Vertical Delay after assertion of Vsync (2 Lines) */ -#define EPPI_VDELAY 12 - -#define EPPI_CLIP 0xFF00FF00 - -/* EPPI Control register configuration value for RGB out - * - EPPI as Output - * GP 2 frame sync mode, - * Internal Clock generation disabled, Internal FS generation enabled, - * Receives samples on EPPI_CLK raising edge, Transmits samples on EPPI_CLK falling edge, - * FS1 & FS2 are active high, - * DLEN = 6 (24 bits for RGB888 out) or 5 (18 bits for RGB666 out) - * DMA Unpacking disabled when RGB Formating is enabled, otherwise DMA unpacking enabled - * Swapping Enabled, - * One (DMA) Channel Mode, - * RGB Formatting Enabled for RGB666 output, disabled for RGB888 output - * Regular watermark - when FIFO is 100% full, - * Urgent watermark - when FIFO is 75% full - */ - -#define EPPI_CONTROL (0x20136E2E | SWAPEN) - -static inline u16 get_eppi_clkdiv(u32 target_ppi_clk) -{ - u32 sclk = get_sclk(); - - /* EPPI_CLK = (SCLK) / (2 * (EPPI_CLKDIV[15:0] + 1)) */ - - return (((sclk / target_ppi_clk) / 2) - 1); -} - -static void config_ppi(struct bfin_bf54xfb_info *fbi) -{ - - u16 eppi_clkdiv = get_eppi_clkdiv(LCD_CLK); - - bfin_write_EPPI0_FS1W_HBL(EPPI_FS1W_HBL); - bfin_write_EPPI0_FS1P_AVPL(EPPI_FS1P_AVPL); - bfin_write_EPPI0_FS2W_LVB(EPPI_FS2W_LVB); - bfin_write_EPPI0_FS2P_LAVF(EPPI_FS2P_LAVF); - bfin_write_EPPI0_CLIP(EPPI_CLIP); - - bfin_write_EPPI0_FRAME(EPPI_FRAME); - bfin_write_EPPI0_LINE(EPPI_LINE); - - bfin_write_EPPI0_HCOUNT(EPPI_HCOUNT); - bfin_write_EPPI0_HDELAY(EPPI_HDELAY); - bfin_write_EPPI0_VCOUNT(EPPI_VCOUNT); - bfin_write_EPPI0_VDELAY(EPPI_VDELAY); - - bfin_write_EPPI0_CLKDIV(eppi_clkdiv); - -/* - * DLEN = 6 (24 bits for RGB888 out) or 5 (18 bits for RGB666 out) - * RGB Formatting Enabled for RGB666 output, disabled for RGB888 output - */ - if (outp_rgb666) - bfin_write_EPPI0_CONTROL((EPPI_CONTROL & ~DLENGTH) | DLEN_18 | - RGB_FMT_EN); - else - bfin_write_EPPI0_CONTROL(((EPPI_CONTROL & ~DLENGTH) | DLEN_24) & - ~RGB_FMT_EN); - - -} - -static int config_dma(struct bfin_bf54xfb_info *fbi) -{ - - set_dma_config(CH_EPPI0, - set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO, - INTR_DISABLE, DIMENSION_2D, - DATA_SIZE_32, - DMA_NOSYNC_KEEP_DMA_BUF)); - set_dma_x_count(CH_EPPI0, (LCD_X_RES * LCD_BPP) / DMA_BUS_SIZE); - set_dma_x_modify(CH_EPPI0, DMA_BUS_SIZE / 8); - set_dma_y_count(CH_EPPI0, LCD_Y_RES); - set_dma_y_modify(CH_EPPI0, DMA_BUS_SIZE / 8); - set_dma_start_addr(CH_EPPI0, (unsigned long)fbi->fb_buffer); - - return 0; -} - -static int request_ports(struct bfin_bf54xfb_info *fbi) -{ - - u16 eppi_req_18[] = EPPI0_18; - u16 disp = fbi->mach_info->disp; - - if (gpio_request_one(disp, GPIOF_OUT_INIT_HIGH, DRIVER_NAME)) { - printk(KERN_ERR "Requesting GPIO %d failed\n", disp); - return -EFAULT; - } - - if (peripheral_request_list(eppi_req_18, DRIVER_NAME)) { - printk(KERN_ERR "Requesting Peripherals failed\n"); - gpio_free(disp); - return -EFAULT; - } - - if (!outp_rgb666) { - - u16 eppi_req_24[] = EPPI0_24; - - if (peripheral_request_list(eppi_req_24, DRIVER_NAME)) { - printk(KERN_ERR "Requesting Peripherals failed\n"); - peripheral_free_list(eppi_req_18); - gpio_free(disp); - return -EFAULT; - } - } - - return 0; -} - -static void free_ports(struct bfin_bf54xfb_info *fbi) -{ - - u16 eppi_req_18[] = EPPI0_18; - - gpio_free(fbi->mach_info->disp); - - peripheral_free_list(eppi_req_18); - - if (!outp_rgb666) { - u16 eppi_req_24[] = EPPI0_24; - peripheral_free_list(eppi_req_24); - } -} - -static int bfin_bf54x_fb_open(struct fb_info *info, int user) -{ - struct bfin_bf54xfb_info *fbi = info->par; - - spin_lock(&fbi->lock); - fbi->lq043_open_cnt++; - - if (fbi->lq043_open_cnt <= 1) { - - bfin_write_EPPI0_CONTROL(0); - SSYNC(); - - config_dma(fbi); - config_ppi(fbi); - - /* start dma */ - enable_dma(CH_EPPI0); - bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN); - } - - spin_unlock(&fbi->lock); - - return 0; -} - -static int bfin_bf54x_fb_release(struct fb_info *info, int user) -{ - struct bfin_bf54xfb_info *fbi = info->par; - - spin_lock(&fbi->lock); - - fbi->lq043_open_cnt--; - - if (fbi->lq043_open_cnt <= 0) { - - bfin_write_EPPI0_CONTROL(0); - SSYNC(); - disable_dma(CH_EPPI0); - } - - spin_unlock(&fbi->lock); - - return 0; -} - -static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - - switch (var->bits_per_pixel) { - case 24:/* TRUECOLOUR, 16m */ - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = var->green.length = var->blue.length = 8; - var->transp.offset = 0; - var->transp.length = 0; - var->transp.msb_right = 0; - var->red.msb_right = 0; - var->green.msb_right = 0; - var->blue.msb_right = 0; - break; - default: - pr_debug("%s: depth not supported: %u BPP\n", __func__, - var->bits_per_pixel); - return -EINVAL; - } - - if (info->var.xres != var->xres || info->var.yres != var->yres || - info->var.xres_virtual != var->xres_virtual || - info->var.yres_virtual != var->yres_virtual) { - pr_debug("%s: Resolution not supported: X%u x Y%u \n", - __func__, var->xres, var->yres); - return -EINVAL; - } - - /* - * Memory limit - */ - - if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { - pr_debug("%s: Memory Limit requested yres_virtual = %u\n", - __func__, var->yres_virtual); - return -ENOMEM; - } - - return 0; -} - -int bfin_bf54x_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - if (nocursor) - return 0; - else - return -EINVAL; /* just to force soft_cursor() call */ -} - -static int bfin_bf54x_fb_setcolreg(u_int regno, u_int red, u_int green, - u_int blue, u_int transp, - struct fb_info *info) -{ - if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES) - return -EINVAL; - - if (info->var.grayscale) { - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - } - - if (info->fix.visual == FB_VISUAL_TRUECOLOR) { - - u32 value; - /* Place color in the pseudopalette */ - if (regno > 16) - return -EINVAL; - - red >>= (16 - info->var.red.length); - green >>= (16 - info->var.green.length); - blue >>= (16 - info->var.blue.length); - - value = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset); - value &= 0xFFFFFF; - - ((u32 *) (info->pseudo_palette))[regno] = value; - - } - - return 0; -} - -static struct fb_ops bfin_bf54x_fb_ops = { - .owner = THIS_MODULE, - .fb_open = bfin_bf54x_fb_open, - .fb_release = bfin_bf54x_fb_release, - .fb_check_var = bfin_bf54x_fb_check_var, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_cursor = bfin_bf54x_fb_cursor, - .fb_setcolreg = bfin_bf54x_fb_setcolreg, -}; - -#ifndef NO_BL_SUPPORT -static int bl_get_brightness(struct backlight_device *bd) -{ - return 0; -} - -static const struct backlight_ops bfin_lq043fb_bl_ops = { - .get_brightness = bl_get_brightness, -}; - -static struct backlight_device *bl_dev; - -static int bfin_lcd_get_power(struct lcd_device *dev) -{ - return 0; -} - -static int bfin_lcd_set_power(struct lcd_device *dev, int power) -{ - return 0; -} - -static int bfin_lcd_get_contrast(struct lcd_device *dev) -{ - return 0; -} - -static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast) -{ - - return 0; -} - -static int bfin_lcd_check_fb(struct lcd_device *dev, struct fb_info *fi) -{ - if (!fi || (fi == &bfin_bf54x_fb)) - return 1; - return 0; -} - -static struct lcd_ops bfin_lcd_ops = { - .get_power = bfin_lcd_get_power, - .set_power = bfin_lcd_set_power, - .get_contrast = bfin_lcd_get_contrast, - .set_contrast = bfin_lcd_set_contrast, - .check_fb = bfin_lcd_check_fb, -}; - -static struct lcd_device *lcd_dev; -#endif - -static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id) -{ - /*struct bfin_bf54xfb_info *info = dev_id;*/ - - u16 status = bfin_read_EPPI0_STATUS(); - - bfin_write_EPPI0_STATUS(0xFFFF); - - if (status) { - bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN); - disable_dma(CH_EPPI0); - - /* start dma */ - enable_dma(CH_EPPI0); - bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN); - bfin_write_EPPI0_STATUS(0xFFFF); - } - - return IRQ_HANDLED; -} - -static int bfin_bf54x_probe(struct platform_device *pdev) -{ -#ifndef NO_BL_SUPPORT - struct backlight_properties props; -#endif - struct bfin_bf54xfb_info *info; - struct fb_info *fbinfo; - int ret; - - printk(KERN_INFO DRIVER_NAME ": FrameBuffer initializing...\n"); - - if (request_dma(CH_EPPI0, "CH_EPPI0") < 0) { - printk(KERN_ERR DRIVER_NAME - ": couldn't request CH_EPPI0 DMA\n"); - ret = -EFAULT; - goto out1; - } - - fbinfo = - framebuffer_alloc(sizeof(struct bfin_bf54xfb_info), &pdev->dev); - if (!fbinfo) { - ret = -ENOMEM; - goto out2; - } - - info = fbinfo->par; - info->fb = fbinfo; - info->dev = &pdev->dev; - spin_lock_init(&info->lock); - - platform_set_drvdata(pdev, fbinfo); - - strcpy(fbinfo->fix.id, driver_name); - - info->mach_info = pdev->dev.platform_data; - - if (info->mach_info == NULL) { - dev_err(&pdev->dev, - "no platform data for lcd, cannot attach\n"); - ret = -EINVAL; - goto out3; - } - - fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; - fbinfo->fix.type_aux = 0; - fbinfo->fix.xpanstep = 0; - fbinfo->fix.ypanstep = 0; - fbinfo->fix.ywrapstep = 0; - fbinfo->fix.accel = FB_ACCEL_NONE; - fbinfo->fix.visual = FB_VISUAL_TRUECOLOR; - - fbinfo->var.nonstd = 0; - fbinfo->var.activate = FB_ACTIVATE_NOW; - fbinfo->var.height = info->mach_info->height; - fbinfo->var.width = info->mach_info->width; - fbinfo->var.accel_flags = 0; - fbinfo->var.vmode = FB_VMODE_NONINTERLACED; - - fbinfo->fbops = &bfin_bf54x_fb_ops; - fbinfo->flags = FBINFO_FLAG_DEFAULT; - - fbinfo->var.xres = info->mach_info->xres.defval; - fbinfo->var.xres_virtual = info->mach_info->xres.defval; - fbinfo->var.yres = info->mach_info->yres.defval; - fbinfo->var.yres_virtual = info->mach_info->yres.defval; - fbinfo->var.bits_per_pixel = info->mach_info->bpp.defval; - - fbinfo->var.upper_margin = 0; - fbinfo->var.lower_margin = 0; - fbinfo->var.vsync_len = 0; - - fbinfo->var.left_margin = 0; - fbinfo->var.right_margin = 0; - fbinfo->var.hsync_len = 0; - - fbinfo->var.red.offset = 16; - fbinfo->var.green.offset = 8; - fbinfo->var.blue.offset = 0; - fbinfo->var.transp.offset = 0; - fbinfo->var.red.length = 8; - fbinfo->var.green.length = 8; - fbinfo->var.blue.length = 8; - fbinfo->var.transp.length = 0; - fbinfo->fix.smem_len = info->mach_info->xres.max * - info->mach_info->yres.max * info->mach_info->bpp.max / 8; - - fbinfo->fix.line_length = fbinfo->var.xres_virtual * - fbinfo->var.bits_per_pixel / 8; - - info->fb_buffer = - dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle, - GFP_KERNEL); - - if (NULL == info->fb_buffer) { - printk(KERN_ERR DRIVER_NAME - ": couldn't allocate dma buffer.\n"); - ret = -ENOMEM; - goto out3; - } - - fbinfo->screen_base = (void *)info->fb_buffer; - fbinfo->fix.smem_start = (int)info->fb_buffer; - - fbinfo->fbops = &bfin_bf54x_fb_ops; - - fbinfo->pseudo_palette = devm_kzalloc(&pdev->dev, sizeof(u32) * 16, - GFP_KERNEL); - if (!fbinfo->pseudo_palette) { - printk(KERN_ERR DRIVER_NAME - "Fail to allocate pseudo_palette\n"); - - ret = -ENOMEM; - goto out4; - } - - if (fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) - < 0) { - printk(KERN_ERR DRIVER_NAME - "Fail to allocate colormap (%d entries)\n", - BFIN_LCD_NBR_PALETTE_ENTRIES); - ret = -EFAULT; - goto out4; - } - - if (request_ports(info)) { - printk(KERN_ERR DRIVER_NAME ": couldn't request gpio port.\n"); - ret = -EFAULT; - goto out6; - } - - info->irq = platform_get_irq(pdev, 0); - if (info->irq < 0) { - ret = -EINVAL; - goto out7; - } - - if (request_irq(info->irq, bfin_bf54x_irq_error, 0, - "PPI ERROR", info) < 0) { - printk(KERN_ERR DRIVER_NAME - ": unable to request PPI ERROR IRQ\n"); - ret = -EFAULT; - goto out7; - } - - if (register_framebuffer(fbinfo) < 0) { - printk(KERN_ERR DRIVER_NAME - ": unable to register framebuffer.\n"); - ret = -EINVAL; - goto out8; - } -#ifndef NO_BL_SUPPORT - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 255; - bl_dev = backlight_device_register("bf54x-bl", NULL, NULL, - &bfin_lq043fb_bl_ops, &props); - if (IS_ERR(bl_dev)) { - printk(KERN_ERR DRIVER_NAME - ": unable to register backlight.\n"); - ret = -EINVAL; - unregister_framebuffer(fbinfo); - goto out8; - } - - lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); - lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); -#endif - - return 0; - -out8: - free_irq(info->irq, info); -out7: - free_ports(info); -out6: - fb_dealloc_cmap(&fbinfo->cmap); -out4: - dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, - info->dma_handle); -out3: - framebuffer_release(fbinfo); -out2: - free_dma(CH_EPPI0); -out1: - - return ret; -} - -static int bfin_bf54x_remove(struct platform_device *pdev) -{ - - struct fb_info *fbinfo = platform_get_drvdata(pdev); - struct bfin_bf54xfb_info *info = fbinfo->par; - - free_dma(CH_EPPI0); - free_irq(info->irq, info); - - if (info->fb_buffer != NULL) - dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer, - info->dma_handle); - - fb_dealloc_cmap(&fbinfo->cmap); - -#ifndef NO_BL_SUPPORT - lcd_device_unregister(lcd_dev); - backlight_device_unregister(bl_dev); -#endif - - unregister_framebuffer(fbinfo); - - free_ports(info); - - printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n"); - - return 0; -} - -#ifdef CONFIG_PM -static int bfin_bf54x_suspend(struct platform_device *pdev, pm_message_t state) -{ - bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN); - disable_dma(CH_EPPI0); - bfin_write_EPPI0_STATUS(0xFFFF); - - return 0; -} - -static int bfin_bf54x_resume(struct platform_device *pdev) -{ - struct fb_info *fbinfo = platform_get_drvdata(pdev); - struct bfin_bf54xfb_info *info = fbinfo->par; - - if (info->lq043_open_cnt) { - - bfin_write_EPPI0_CONTROL(0); - SSYNC(); - - config_dma(info); - config_ppi(info); - - /* start dma */ - enable_dma(CH_EPPI0); - bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN); - } - - return 0; -} -#else -#define bfin_bf54x_suspend NULL -#define bfin_bf54x_resume NULL -#endif - -static struct platform_driver bfin_bf54x_driver = { - .probe = bfin_bf54x_probe, - .remove = bfin_bf54x_remove, - .suspend = bfin_bf54x_suspend, - .resume = bfin_bf54x_resume, - .driver = { - .name = DRIVER_NAME, - }, -}; -module_platform_driver(bfin_bf54x_driver); - -MODULE_DESCRIPTION("Blackfin BF54x TFT LCD Driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/bfin-lq035q1-fb.c b/drivers/video/fbdev/bfin-lq035q1-fb.c deleted file mode 100644 index b459354ad940..000000000000 --- a/drivers/video/fbdev/bfin-lq035q1-fb.c +++ /dev/null @@ -1,864 +0,0 @@ -/* - * Blackfin LCD Framebuffer driver SHARP LQ035Q1DH02 - * - * Copyright 2008-2009 Analog Devices Inc. - * Licensed under the GPL-2 or later. - */ - -#define DRIVER_NAME "bfin-lq035q1" -#define pr_fmt(fmt) DRIVER_NAME ": " fmt - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include - -#if defined(BF533_FAMILY) || defined(BF538_FAMILY) -#define TIMER_HSYNC_id TIMER1_id -#define TIMER_HSYNCbit TIMER1bit -#define TIMER_HSYNC_STATUS_TRUN TIMER_STATUS_TRUN1 -#define TIMER_HSYNC_STATUS_TIMIL TIMER_STATUS_TIMIL1 -#define TIMER_HSYNC_STATUS_TOVF TIMER_STATUS_TOVF1 - -#define TIMER_VSYNC_id TIMER2_id -#define TIMER_VSYNCbit TIMER2bit -#define TIMER_VSYNC_STATUS_TRUN TIMER_STATUS_TRUN2 -#define TIMER_VSYNC_STATUS_TIMIL TIMER_STATUS_TIMIL2 -#define TIMER_VSYNC_STATUS_TOVF TIMER_STATUS_TOVF2 -#else -#define TIMER_HSYNC_id TIMER0_id -#define TIMER_HSYNCbit TIMER0bit -#define TIMER_HSYNC_STATUS_TRUN TIMER_STATUS_TRUN0 -#define TIMER_HSYNC_STATUS_TIMIL TIMER_STATUS_TIMIL0 -#define TIMER_HSYNC_STATUS_TOVF TIMER_STATUS_TOVF0 - -#define TIMER_VSYNC_id TIMER1_id -#define TIMER_VSYNCbit TIMER1bit -#define TIMER_VSYNC_STATUS_TRUN TIMER_STATUS_TRUN1 -#define TIMER_VSYNC_STATUS_TIMIL TIMER_STATUS_TIMIL1 -#define TIMER_VSYNC_STATUS_TOVF TIMER_STATUS_TOVF1 -#endif - -#define LCD_X_RES 320 /* Horizontal Resolution */ -#define LCD_Y_RES 240 /* Vertical Resolution */ -#define DMA_BUS_SIZE 16 -#define U_LINE 4 /* Blanking Lines */ - - -/* Interface 16/18-bit TFT over an 8-bit wide PPI using a small Programmable Logic Device (CPLD) - * http://blackfin.uclinux.org/gf/project/stamp/frs/?action=FrsReleaseBrowse&frs_package_id=165 - */ - - -#define BFIN_LCD_NBR_PALETTE_ENTRIES 256 - -#define PPI_TX_MODE 0x2 -#define PPI_XFER_TYPE_11 0xC -#define PPI_PORT_CFG_01 0x10 -#define PPI_POLS_1 0x8000 - -#define LQ035_INDEX 0x74 -#define LQ035_DATA 0x76 - -#define LQ035_DRIVER_OUTPUT_CTL 0x1 -#define LQ035_SHUT_CTL 0x11 - -#define LQ035_DRIVER_OUTPUT_MASK (LQ035_LR | LQ035_TB | LQ035_BGR | LQ035_REV) -#define LQ035_DRIVER_OUTPUT_DEFAULT (0x2AEF & ~LQ035_DRIVER_OUTPUT_MASK) - -#define LQ035_SHUT (1 << 0) /* Shutdown */ -#define LQ035_ON (0 << 0) /* Shutdown */ - -struct bfin_lq035q1fb_info { - struct fb_info *fb; - struct device *dev; - struct spi_driver spidrv; - struct bfin_lq035q1fb_disp_info *disp_info; - unsigned char *fb_buffer; /* RGB Buffer */ - dma_addr_t dma_handle; - int lq035_open_cnt; - int irq; - spinlock_t lock; /* lock */ - u32 pseudo_pal[16]; - - u32 lcd_bpp; - u32 h_actpix; - u32 h_period; - u32 h_pulse; - u32 h_start; - u32 v_lines; - u32 v_pulse; - u32 v_period; -}; - -static int nocursor; -module_param(nocursor, int, 0644); -MODULE_PARM_DESC(nocursor, "cursor enable/disable"); - -struct spi_control { - unsigned short mode; -}; - -static int lq035q1_control(struct spi_device *spi, unsigned char reg, unsigned short value) -{ - int ret; - u8 regs[3] = { LQ035_INDEX, 0, 0 }; - u8 dat[3] = { LQ035_DATA, 0, 0 }; - - if (!spi) - return -ENODEV; - - regs[2] = reg; - dat[1] = value >> 8; - dat[2] = value & 0xFF; - - ret = spi_write(spi, regs, ARRAY_SIZE(regs)); - ret |= spi_write(spi, dat, ARRAY_SIZE(dat)); - return ret; -} - -static int lq035q1_spidev_probe(struct spi_device *spi) -{ - int ret; - struct spi_control *ctl; - struct bfin_lq035q1fb_info *info = container_of(spi->dev.driver, - struct bfin_lq035q1fb_info, - spidrv.driver); - - ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); - - if (!ctl) - return -ENOMEM; - - ctl->mode = (info->disp_info->mode & - LQ035_DRIVER_OUTPUT_MASK) | LQ035_DRIVER_OUTPUT_DEFAULT; - - ret = lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_ON); - ret |= lq035q1_control(spi, LQ035_DRIVER_OUTPUT_CTL, ctl->mode); - if (ret) { - kfree(ctl); - return ret; - } - - spi_set_drvdata(spi, ctl); - - return 0; -} - -static int lq035q1_spidev_remove(struct spi_device *spi) -{ - return lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_SHUT); -} - -#ifdef CONFIG_PM_SLEEP -static int lq035q1_spidev_suspend(struct device *dev) -{ - struct spi_device *spi = to_spi_device(dev); - - return lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_SHUT); -} - -static int lq035q1_spidev_resume(struct device *dev) -{ - struct spi_device *spi = to_spi_device(dev); - struct spi_control *ctl = spi_get_drvdata(spi); - int ret; - - ret = lq035q1_control(spi, LQ035_DRIVER_OUTPUT_CTL, ctl->mode); - if (ret) - return ret; - - return lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_ON); -} - -static SIMPLE_DEV_PM_OPS(lq035q1_spidev_pm_ops, lq035q1_spidev_suspend, - lq035q1_spidev_resume); -#define LQ035Q1_SPIDEV_PM_OPS (&lq035q1_spidev_pm_ops) - -#else -#define LQ035Q1_SPIDEV_PM_OPS NULL -#endif - -/* Power down all displays on reboot, poweroff or halt */ -static void lq035q1_spidev_shutdown(struct spi_device *spi) -{ - lq035q1_control(spi, LQ035_SHUT_CTL, LQ035_SHUT); -} - -static int lq035q1_backlight(struct bfin_lq035q1fb_info *info, unsigned arg) -{ - if (info->disp_info->use_bl) - gpio_set_value(info->disp_info->gpio_bl, arg); - - return 0; -} - -static int bfin_lq035q1_calc_timing(struct bfin_lq035q1fb_info *fbi) -{ - unsigned long clocks_per_pix, cpld_pipeline_delay_cor; - - /* - * Interface 16/18-bit TFT over an 8-bit wide PPI using a small - * Programmable Logic Device (CPLD) - * http://blackfin.uclinux.org/gf/project/stamp/frs/?action=FrsReleaseBrowse&frs_package_id=165 - */ - - switch (fbi->disp_info->ppi_mode) { - case USE_RGB565_16_BIT_PPI: - fbi->lcd_bpp = 16; - clocks_per_pix = 1; - cpld_pipeline_delay_cor = 0; - break; - case USE_RGB565_8_BIT_PPI: - fbi->lcd_bpp = 16; - clocks_per_pix = 2; - cpld_pipeline_delay_cor = 3; - break; - case USE_RGB888_8_BIT_PPI: - fbi->lcd_bpp = 24; - clocks_per_pix = 3; - cpld_pipeline_delay_cor = 5; - break; - default: - return -EINVAL; - } - - /* - * HS and VS timing parameters (all in number of PPI clk ticks) - */ - - fbi->h_actpix = (LCD_X_RES * clocks_per_pix); /* active horizontal pixel */ - fbi->h_period = (336 * clocks_per_pix); /* HS period */ - fbi->h_pulse = (2 * clocks_per_pix); /* HS pulse width */ - fbi->h_start = (7 * clocks_per_pix + cpld_pipeline_delay_cor); /* first valid pixel */ - - fbi->v_lines = (LCD_Y_RES + U_LINE); /* total vertical lines */ - fbi->v_pulse = (2 * clocks_per_pix); /* VS pulse width (1-5 H_PERIODs) */ - fbi->v_period = (fbi->h_period * fbi->v_lines); /* VS period */ - - return 0; -} - -static void bfin_lq035q1_config_ppi(struct bfin_lq035q1fb_info *fbi) -{ - unsigned ppi_pmode; - - if (fbi->disp_info->ppi_mode == USE_RGB565_16_BIT_PPI) - ppi_pmode = DLEN_16; - else - ppi_pmode = (DLEN_8 | PACK_EN); - - bfin_write_PPI_DELAY(fbi->h_start); - bfin_write_PPI_COUNT(fbi->h_actpix - 1); - bfin_write_PPI_FRAME(fbi->v_lines); - - bfin_write_PPI_CONTROL(PPI_TX_MODE | /* output mode , PORT_DIR */ - PPI_XFER_TYPE_11 | /* sync mode XFR_TYPE */ - PPI_PORT_CFG_01 | /* two frame sync PORT_CFG */ - ppi_pmode | /* 8/16 bit data length / PACK_EN? */ - PPI_POLS_1); /* faling edge syncs POLS */ -} - -static inline void bfin_lq035q1_disable_ppi(void) -{ - bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN); -} - -static inline void bfin_lq035q1_enable_ppi(void) -{ - bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN); -} - -static void bfin_lq035q1_start_timers(void) -{ - enable_gptimers(TIMER_VSYNCbit | TIMER_HSYNCbit); -} - -static void bfin_lq035q1_stop_timers(void) -{ - disable_gptimers(TIMER_HSYNCbit | TIMER_VSYNCbit); - - set_gptimer_status(0, TIMER_HSYNC_STATUS_TRUN | TIMER_VSYNC_STATUS_TRUN | - TIMER_HSYNC_STATUS_TIMIL | TIMER_VSYNC_STATUS_TIMIL | - TIMER_HSYNC_STATUS_TOVF | TIMER_VSYNC_STATUS_TOVF); - -} - -static void bfin_lq035q1_init_timers(struct bfin_lq035q1fb_info *fbi) -{ - - bfin_lq035q1_stop_timers(); - - set_gptimer_period(TIMER_HSYNC_id, fbi->h_period); - set_gptimer_pwidth(TIMER_HSYNC_id, fbi->h_pulse); - set_gptimer_config(TIMER_HSYNC_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT | - TIMER_TIN_SEL | TIMER_CLK_SEL| - TIMER_EMU_RUN); - - set_gptimer_period(TIMER_VSYNC_id, fbi->v_period); - set_gptimer_pwidth(TIMER_VSYNC_id, fbi->v_pulse); - set_gptimer_config(TIMER_VSYNC_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT | - TIMER_TIN_SEL | TIMER_CLK_SEL | - TIMER_EMU_RUN); - -} - -static void bfin_lq035q1_config_dma(struct bfin_lq035q1fb_info *fbi) -{ - - - set_dma_config(CH_PPI, - set_bfin_dma_config(DIR_READ, DMA_FLOW_AUTO, - INTR_DISABLE, DIMENSION_2D, - DATA_SIZE_16, - DMA_NOSYNC_KEEP_DMA_BUF)); - set_dma_x_count(CH_PPI, (LCD_X_RES * fbi->lcd_bpp) / DMA_BUS_SIZE); - set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8); - set_dma_y_count(CH_PPI, fbi->v_lines); - - set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8); - set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer); - -} - -static const u16 ppi0_req_16[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, - P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, - P_PPI0_D3, P_PPI0_D4, P_PPI0_D5, - P_PPI0_D6, P_PPI0_D7, P_PPI0_D8, - P_PPI0_D9, P_PPI0_D10, P_PPI0_D11, - P_PPI0_D12, P_PPI0_D13, P_PPI0_D14, - P_PPI0_D15, 0}; - -static const u16 ppi0_req_8[] = {P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, - P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, - P_PPI0_D3, P_PPI0_D4, P_PPI0_D5, - P_PPI0_D6, P_PPI0_D7, 0}; - -static inline void bfin_lq035q1_free_ports(unsigned ppi16) -{ - if (ppi16) - peripheral_free_list(ppi0_req_16); - else - peripheral_free_list(ppi0_req_8); - - if (ANOMALY_05000400) - gpio_free(P_IDENT(P_PPI0_FS3)); -} - -static int bfin_lq035q1_request_ports(struct platform_device *pdev, - unsigned ppi16) -{ - int ret; - /* ANOMALY_05000400 - PPI Does Not Start Properly In Specific Mode: - * Drive PPI_FS3 Low - */ - if (ANOMALY_05000400) { - int ret = gpio_request_one(P_IDENT(P_PPI0_FS3), - GPIOF_OUT_INIT_LOW, "PPI_FS3"); - if (ret) - return ret; - } - - if (ppi16) - ret = peripheral_request_list(ppi0_req_16, DRIVER_NAME); - else - ret = peripheral_request_list(ppi0_req_8, DRIVER_NAME); - - if (ret) { - dev_err(&pdev->dev, "requesting peripherals failed\n"); - return -EFAULT; - } - - return 0; -} - -static int bfin_lq035q1_fb_open(struct fb_info *info, int user) -{ - struct bfin_lq035q1fb_info *fbi = info->par; - - spin_lock(&fbi->lock); - fbi->lq035_open_cnt++; - - if (fbi->lq035_open_cnt <= 1) { - - bfin_lq035q1_disable_ppi(); - SSYNC(); - - bfin_lq035q1_config_dma(fbi); - bfin_lq035q1_config_ppi(fbi); - bfin_lq035q1_init_timers(fbi); - - /* start dma */ - enable_dma(CH_PPI); - bfin_lq035q1_enable_ppi(); - bfin_lq035q1_start_timers(); - lq035q1_backlight(fbi, 1); - } - - spin_unlock(&fbi->lock); - - return 0; -} - -static int bfin_lq035q1_fb_release(struct fb_info *info, int user) -{ - struct bfin_lq035q1fb_info *fbi = info->par; - - spin_lock(&fbi->lock); - - fbi->lq035_open_cnt--; - - if (fbi->lq035_open_cnt <= 0) { - lq035q1_backlight(fbi, 0); - bfin_lq035q1_disable_ppi(); - SSYNC(); - disable_dma(CH_PPI); - bfin_lq035q1_stop_timers(); - } - - spin_unlock(&fbi->lock); - - return 0; -} - -static int bfin_lq035q1_fb_check_var(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct bfin_lq035q1fb_info *fbi = info->par; - - if (var->bits_per_pixel == fbi->lcd_bpp) { - var->red.offset = info->var.red.offset; - var->green.offset = info->var.green.offset; - var->blue.offset = info->var.blue.offset; - var->red.length = info->var.red.length; - var->green.length = info->var.green.length; - var->blue.length = info->var.blue.length; - var->transp.offset = 0; - var->transp.length = 0; - var->transp.msb_right = 0; - var->red.msb_right = 0; - var->green.msb_right = 0; - var->blue.msb_right = 0; - } else { - pr_debug("%s: depth not supported: %u BPP\n", __func__, - var->bits_per_pixel); - return -EINVAL; - } - - if (info->var.xres != var->xres || info->var.yres != var->yres || - info->var.xres_virtual != var->xres_virtual || - info->var.yres_virtual != var->yres_virtual) { - pr_debug("%s: Resolution not supported: X%u x Y%u \n", - __func__, var->xres, var->yres); - return -EINVAL; - } - - /* - * Memory limit - */ - - if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { - pr_debug("%s: Memory Limit requested yres_virtual = %u\n", - __func__, var->yres_virtual); - return -ENOMEM; - } - - - return 0; -} - -int bfin_lq035q1_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) -{ - if (nocursor) - return 0; - else - return -EINVAL; /* just to force soft_cursor() call */ -} - -static int bfin_lq035q1_fb_setcolreg(u_int regno, u_int red, u_int green, - u_int blue, u_int transp, - struct fb_info *info) -{ - if (regno >= BFIN_LCD_NBR_PALETTE_ENTRIES) - return -EINVAL; - - if (info->var.grayscale) { - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - } - - if (info->fix.visual == FB_VISUAL_TRUECOLOR) { - - u32 value; - /* Place color in the pseudopalette */ - if (regno > 16) - return -EINVAL; - - red >>= (16 - info->var.red.length); - green >>= (16 - info->var.green.length); - blue >>= (16 - info->var.blue.length); - - value = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset); - value &= 0xFFFFFF; - - ((u32 *) (info->pseudo_palette))[regno] = value; - - } - - return 0; -} - -static struct fb_ops bfin_lq035q1_fb_ops = { - .owner = THIS_MODULE, - .fb_open = bfin_lq035q1_fb_open, - .fb_release = bfin_lq035q1_fb_release, - .fb_check_var = bfin_lq035q1_fb_check_var, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_cursor = bfin_lq035q1_fb_cursor, - .fb_setcolreg = bfin_lq035q1_fb_setcolreg, -}; - -static irqreturn_t bfin_lq035q1_irq_error(int irq, void *dev_id) -{ - /*struct bfin_lq035q1fb_info *info = (struct bfin_lq035q1fb_info *)dev_id;*/ - - u16 status = bfin_read_PPI_STATUS(); - bfin_write_PPI_STATUS(-1); - - if (status) { - bfin_lq035q1_disable_ppi(); - disable_dma(CH_PPI); - - /* start dma */ - enable_dma(CH_PPI); - bfin_lq035q1_enable_ppi(); - bfin_write_PPI_STATUS(-1); - } - - return IRQ_HANDLED; -} - -static int bfin_lq035q1_probe(struct platform_device *pdev) -{ - struct bfin_lq035q1fb_info *info; - struct fb_info *fbinfo; - u32 active_video_mem_offset; - int ret; - - ret = request_dma(CH_PPI, DRIVER_NAME"_CH_PPI"); - if (ret < 0) { - dev_err(&pdev->dev, "PPI DMA unavailable\n"); - goto out1; - } - - fbinfo = framebuffer_alloc(sizeof(*info), &pdev->dev); - if (!fbinfo) { - ret = -ENOMEM; - goto out2; - } - - info = fbinfo->par; - info->fb = fbinfo; - info->dev = &pdev->dev; - spin_lock_init(&info->lock); - - info->disp_info = pdev->dev.platform_data; - - platform_set_drvdata(pdev, fbinfo); - - ret = bfin_lq035q1_calc_timing(info); - if (ret < 0) { - dev_err(&pdev->dev, "Failed PPI Mode\n"); - goto out3; - } - - strcpy(fbinfo->fix.id, DRIVER_NAME); - - fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; - fbinfo->fix.type_aux = 0; - fbinfo->fix.xpanstep = 0; - fbinfo->fix.ypanstep = 0; - fbinfo->fix.ywrapstep = 0; - fbinfo->fix.accel = FB_ACCEL_NONE; - fbinfo->fix.visual = FB_VISUAL_TRUECOLOR; - - fbinfo->var.nonstd = 0; - fbinfo->var.activate = FB_ACTIVATE_NOW; - fbinfo->var.height = -1; - fbinfo->var.width = -1; - fbinfo->var.accel_flags = 0; - fbinfo->var.vmode = FB_VMODE_NONINTERLACED; - - fbinfo->var.xres = LCD_X_RES; - fbinfo->var.xres_virtual = LCD_X_RES; - fbinfo->var.yres = LCD_Y_RES; - fbinfo->var.yres_virtual = LCD_Y_RES; - fbinfo->var.bits_per_pixel = info->lcd_bpp; - - if (info->disp_info->mode & LQ035_BGR) { - if (info->lcd_bpp == 24) { - fbinfo->var.red.offset = 0; - fbinfo->var.green.offset = 8; - fbinfo->var.blue.offset = 16; - } else { - fbinfo->var.red.offset = 0; - fbinfo->var.green.offset = 5; - fbinfo->var.blue.offset = 11; - } - } else { - if (info->lcd_bpp == 24) { - fbinfo->var.red.offset = 16; - fbinfo->var.green.offset = 8; - fbinfo->var.blue.offset = 0; - } else { - fbinfo->var.red.offset = 11; - fbinfo->var.green.offset = 5; - fbinfo->var.blue.offset = 0; - } - } - - fbinfo->var.transp.offset = 0; - - if (info->lcd_bpp == 24) { - fbinfo->var.red.length = 8; - fbinfo->var.green.length = 8; - fbinfo->var.blue.length = 8; - } else { - fbinfo->var.red.length = 5; - fbinfo->var.green.length = 6; - fbinfo->var.blue.length = 5; - } - - fbinfo->va