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
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
+++ /dev/null
-/*
- * 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 <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/gpio.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/device.h>
-#include <linux/backlight.h>
-#include <linux/lcd.h>
-#include <linux/i2c.h>
-#include <linux/spinlock.h>
-#include <linux/dma-mapping.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-
-#include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/dpmc.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#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");
+++ /dev/null
-/*
- * File: drivers/video/bf54x-lq043.c
- * Based on:
- * Author: Michael Hennerich <hennerich@blackfin.uclinux.org>
- *
- * 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 <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/device.h>
-#include <linux/backlight.h>
-#include <linux/lcd.h>
-#include <linux/spinlock.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-
-#include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/dpmc.h>
-#include <asm/dma-mapping.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#include <mach/bf54x-lq043.h>
-
-#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");
+++ /dev/null
-/*
- * 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 <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/fb.h>
-#include <linux/gpio.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/backlight.h>
-#include <linux/lcd.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/spi/spi.h>
-
-#include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-#include <asm/gptimers.h>
-
-#include <asm/bfin-lq035q1.h>
-
-#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->var.transp.length = 0;
-
- active_video_mem_offset = ((U_LINE / 2) * LCD_X_RES * (info->lcd_bpp / 8));
-
- fbinfo->fix.smem_len = LCD_X_RES * LCD_Y_RES * info->lcd_bpp / 8
- + active_video_mem_offset;
-
- fbinfo->fix.line_length = fbinfo->var.xres_virtual *
- fbinfo->var.bits_per_pixel / 8;
-
-
- fbinfo->fbops = &bfin_lq035q1_fb_ops;
- fbinfo->flags = FBINFO_FLAG_DEFAULT;
-
- info->fb_buffer =
- dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle,
- GFP_KERNEL);
-
- if (NULL == info->fb_buffer) {
- dev_err(&pdev->dev, "couldn't allocate dma buffer\n");
- ret = -ENOMEM;
- goto out3;
- }
-
- fbinfo->screen_base = (void *)info->fb_buffer + active_video_mem_offset;
- fbinfo->fix.smem_start = (int)info->fb_buffer + active_video_mem_offset;
-
- fbinfo->fbops = &bfin_lq035q1_fb_ops;
-
- fbinfo->pseudo_palette = &info->pseudo_pal;
-
- ret = fb_alloc_cmap(&fbinfo->cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to allocate colormap (%d entries)\n",
- BFIN_LCD_NBR_PALETTE_ENTRIES);
- goto out4;
- }
-
- ret = bfin_lq035q1_request_ports(pdev,
- info->disp_info->ppi_mode == USE_RGB565_16_BIT_PPI);
- if (ret) {
- dev_err(&pdev->dev, "couldn't request gpio port\n");
- goto out6;
- }
-
- info->irq = platform_get_irq(pdev, 0);
- if (info->irq < 0) {
- ret = -EINVAL;
- goto out7;
- }
-
- ret = request_irq(info->irq, bfin_lq035q1_irq_error, 0,
- DRIVER_NAME" PPI ERROR", info);
- if (ret < 0) {
- dev_err(&pdev->dev, "unable to request PPI ERROR IRQ\n");
- goto out7;
- }
-
- info->spidrv.driver.name = DRIVER_NAME"-spi";
- info->spidrv.probe = lq035q1_spidev_probe;
- info->spidrv.remove = lq035q1_spidev_remove;
- info->spidrv.shutdown = lq035q1_spidev_shutdown;
- info->spidrv.driver.pm = LQ035Q1_SPIDEV_PM_OPS;
-
- ret = spi_register_driver(&info->spidrv);
- if (ret < 0) {
- dev_err(&pdev->dev, "couldn't register SPI Interface\n");
- goto out8;
- }
-
- if (info->disp_info->use_bl) {
- ret = gpio_request_one(info->disp_info->gpio_bl,
- GPIOF_OUT_INIT_LOW, "LQ035 Backlight");
-
- if (ret) {
- dev_err(&pdev->dev, "failed to request GPIO %d\n",
- info->disp_info->gpio_bl);
- goto out9;
- }
- }
-
- ret = register_framebuffer(fbinfo);
- if (ret < 0) {
- dev_err(&pdev->dev, "unable to register framebuffer\n");
- goto out10;
- }
-
- dev_info(&pdev->dev, "%dx%d %d-bit RGB FrameBuffer initialized\n",
- LCD_X_RES, LCD_Y_RES, info->lcd_bpp);
-
- return 0;
-
- out10:
- if (info->disp_info->use_bl)
- gpio_free(info->disp_info->gpio_bl);
- out9:
- spi_unregister_driver(&info->spidrv);
- out8:
- free_irq(info->irq, info);
- out7:
- bfin_lq035q1_free_ports(info->disp_info->ppi_mode ==
- USE_RGB565_16_BIT_PPI);
- 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_PPI);
- out1:
-
- return ret;
-}
-
-static int bfin_lq035q1_remove(struct platform_device *pdev)
-{
- struct fb_info *fbinfo = platform_get_drvdata(pdev);
- struct bfin_lq035q1fb_info *info = fbinfo->par;
-
- if (info->disp_info->use_bl)
- gpio_free(info->disp_info->gpio_bl);
-
- spi_unregister_driver(&info->spidrv);
-
- unregister_framebuffer(fbinfo);
-
- free_dma(CH_PPI);
- 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);
-
- bfin_lq035q1_free_ports(info->disp_info->ppi_mode ==
- USE_RGB565_16_BIT_PPI);
-
- framebuffer_release(fbinfo);
-
- dev_info(&pdev->dev, "unregistered LCD driver\n");
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int bfin_lq035q1_suspend(struct device *dev)
-{
- struct fb_info *fbinfo = dev_get_drvdata(dev);
- struct bfin_lq035q1fb_info *info = fbinfo->par;
-
- if (info->lq035_open_cnt) {
- lq035q1_backlight(info, 0);
- bfin_lq035q1_disable_ppi();
- SSYNC();
- disable_dma(CH_PPI);
- bfin_lq035q1_stop_timers();
- bfin_write_PPI_STATUS(-1);
- }
-
- return 0;
-}
-
-static int bfin_lq035q1_resume(struct device *dev)
-{
- struct fb_info *fbinfo = dev_get_drvdata(dev);
- struct bfin_lq035q1fb_info *info = fbinfo->par;
-
- if (info->lq035_open_cnt) {
- bfin_lq035q1_disable_ppi();
- SSYNC();
-
- bfin_lq035q1_config_dma(info);
- bfin_lq035q1_config_ppi(info);
- bfin_lq035q1_init_timers(info);
-
- /* start dma */
- enable_dma(CH_PPI);
- bfin_lq035q1_enable_ppi();
- bfin_lq035q1_start_timers();
- lq035q1_backlight(info, 1);
- }
-
- return 0;
-}
-
-static const struct dev_pm_ops bfin_lq035q1_dev_pm_ops = {
- .suspend = bfin_lq035q1_suspend,
- .resume = bfin_lq035q1_resume,
-};
-#endif
-
-static struct platform_driver bfin_lq035q1_driver = {
- .probe = bfin_lq035q1_probe,
- .remove = bfin_lq035q1_remove,
- .driver = {
- .name = DRIVER_NAME,
-#ifdef CONFIG_PM
- .pm = &bfin_lq035q1_dev_pm_ops,
-#endif
- },
-};
-
-module_platform_driver(bfin_lq035q1_driver);
-
-MODULE_DESCRIPTION("Blackfin TFT LCD Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * File: drivers/video/bfin-t350mcqb-fb.c
- * Based on:
- * Author: Michael Hennerich <hennerich@blackfin.uclinux.org>
- *
- * Created:
- * Description: Blackfin LCD Framebuffer driver
- *
- *
- * Modified:
- * Copyright 2004-2007 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 <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/gfp.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/backlight.h>
-#include <linux/lcd.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-
-#include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/dma-mapping.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-#include <asm/gptimers.h>
-
-#define NO_BL_SUPPORT
-
-#define LCD_X_RES 320 /* Horizontal Resolution */
-#define LCD_Y_RES 240 /* Vertical Resolution */
-#define LCD_BPP 24 /* Bit Per Pixel */
-
-#define DMA_BUS_SIZE 16
-#define LCD_CLK (12*1000*1000) /* 12MHz */
-
-#define CLOCKS_PER_PIX 3
-
- /*
- * HS and VS timing parameters (all in number of PPI clk ticks)
- */
-
-#define U_LINE 1 /* Blanking Lines */
-
-#define H_ACTPIX (LCD_X_RES * CLOCKS_PER_PIX) /* active horizontal pixel */
-#define H_PERIOD (408 * CLOCKS_PER_PIX) /* HS period */
-#define H_PULSE 90 /* HS pulse width */
-#define H_START 204 /* first valid pixel */
-
-#define V_LINES (LCD_Y_RES + U_LINE) /* total vertical lines */
-#define V_PULSE (3 * H_PERIOD) /* VS pulse width (1-5 H_PERIODs) */
-#define V_PERIOD (H_PERIOD * V_LINES) /* VS period */
-
-#define ACTIVE_VIDEO_MEM_OFFSET (U_LINE * H_ACTPIX)
-
-#define BFIN_LCD_NBR_PALETTE_ENTRIES 256
-
-#define DRIVER_NAME "bfin-t350mcqb"
-static char driver_name[] = DRIVER_NAME;
-
-struct bfin_t350mcqbfb_info {
- struct fb_info *fb;
- struct device *dev;
- unsigned char *fb_buffer; /* RGB Buffer */
- dma_addr_t dma_handle;
- int lq043_open_cnt;
- int irq;
- spinlock_t lock; /* lock */
- u32 pseudo_pal[16];
-};
-
-static int nocursor;
-module_param(nocursor, int, 0644);
-MODULE_PARM_DESC(nocursor, "cursor enable/disable");
-
-#define PPI_TX_MODE 0x2
-#define PPI_XFER_TYPE_11 0xC
-#define PPI_PORT_CFG_01 0x10
-#define PPI_PACK_EN 0x80
-#define PPI_POLS_1 0x8000
-
-static void bfin_t350mcqb_config_ppi(struct bfin_t350mcqbfb_info *fbi)
-{
- bfin_write_PPI_DELAY(H_START);
- bfin_write_PPI_COUNT(H_ACTPIX-1);
- bfin_write_PPI_FRAME(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_PACK_EN | /* packing enabled PACK_EN */
- PPI_POLS_1); /* faling edge syncs POLS */
-}
-
-static inline void bfin_t350mcqb_disable_ppi(void)
-{
- bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN);
-}
-
-static inline void bfin_t350mcqb_enable_ppi(void)
-{
- bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
-}
-
-static void bfin_t350mcqb_start_timers(void)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- enable_gptimers(TIMER1bit);
- enable_gptimers(TIMER0bit);
- local_irq_restore(flags);
-}
-
-static void bfin_t350mcqb_stop_timers(void)
-{
- disable_gptimers(TIMER0bit | TIMER1bit);
-
- set_gptimer_status(0, TIMER_STATUS_TRUN0 | TIMER_STATUS_TRUN1 |
- TIMER_STATUS_TIMIL0 | TIMER_STATUS_TIMIL1 |
- TIMER_STATUS_TOVF0 | TIMER_STATUS_TOVF1);
-
-}
-
-static void bfin_t350mcqb_init_timers(void)
-{
-
- bfin_t350mcqb_stop_timers();
-
- set_gptimer_period(TIMER0_id, H_PERIOD);
- set_gptimer_pwidth(TIMER0_id, H_PULSE);
- set_gptimer_config(TIMER0_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT |
- TIMER_TIN_SEL | TIMER_CLK_SEL|
- TIMER_EMU_RUN);
-
- set_gptimer_period(TIMER1_id, V_PERIOD);
- set_gptimer_pwidth(TIMER1_id, V_PULSE);
- set_gptimer_config(TIMER1_id, TIMER_MODE_PWM | TIMER_PERIOD_CNT |
- TIMER_TIN_SEL | TIMER_CLK_SEL |
- TIMER_EMU_RUN);
-
-}
-
-static void bfin_t350mcqb_config_dma(struct bfin_t350mcqbfb_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 * LCD_BPP) / DMA_BUS_SIZE);
- set_dma_x_modify(CH_PPI, DMA_BUS_SIZE / 8);
- set_dma_y_count(CH_PPI, V_LINES);
-
- set_dma_y_modify(CH_PPI, DMA_BUS_SIZE / 8);
- set_dma_start_addr(CH_PPI, (unsigned long)fbi->fb_buffer);
-
-}
-
-static 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 int bfin_t350mcqb_request_ports(int action)
-{
- if (action) {
- if (peripheral_request_list(ppi0_req_8, DRIVER_NAME)) {
- printk(KERN_ERR "Requesting Peripherals failed\n");
- return -EFAULT;
- }
- } else
- peripheral_free_list(ppi0_req_8);
-
- return 0;
-}
-
-static int bfin_t350mcqb_fb_open(struct fb_info *info, int user)
-{
- struct bfin_t350mcqbfb_info *fbi = info->par;
-
- spin_lock(&fbi->lock);
- fbi->lq043_open_cnt++;
-
- if (fbi->lq043_open_cnt <= 1) {
-
- bfin_t350mcqb_disable_ppi();
- SSYNC();
-
- bfin_t350mcqb_config_dma(fbi);
- bfin_t350mcqb_config_ppi(fbi);
- bfin_t350mcqb_init_timers();
-
- /* start dma */
- enable_dma(CH_PPI);
- bfin_t350mcqb_enable_ppi();
- bfin_t350mcqb_start_timers();
- }
-
- spin_unlock(&fbi->lock);
-
- return 0;
-}
-
-static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
-{
- struct bfin_t350mcqbfb_info *fbi = info->par;
-
- spin_lock(&fbi->lock);
-
- fbi->lq043_open_cnt--;
-
- if (fbi->lq043_open_cnt <= 0) {
- bfin_t350mcqb_disable_ppi();
- SSYNC();
- disable_dma(CH_PPI);
- bfin_t350mcqb_stop_timers();
- }
-
- spin_unlock(&fbi->lock);
-
- return 0;
-}
-
-static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
- struct fb_info *info)
-{
-
- switch (var->bits_per_pixel) {
- case 24:/* TRUECOLOUR, 16m */
- var->red.offset = 0;
- var->green.offset = 8;
- var->blue.offset = 16;
- 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_t350mcqb_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_t350mcqb_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_t350mcqb_fb_ops = {
- .owner = THIS_MODULE,
- .fb_open = bfin_t350mcqb_fb_open,
- .fb_release = bfin_t350mcqb_fb_release,
- .fb_check_var = bfin_t350mcqb_fb_check_var,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_cursor = bfin_t350mcqb_fb_cursor,
- .fb_setcolreg = bfin_t350mcqb_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_t350mcqb_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_t350mcqb_irq_error(int irq, void *dev_id)
-{
- /*struct bfin_t350mcqbfb_info *info = (struct bfin_t350mcqbfb_info *)dev_id;*/
-
- u16 status = bfin_read_PPI_STATUS();
- bfin_write_PPI_STATUS(0xFFFF);
-
- if (status) {
- bfin_t350mcqb_disable_ppi();
- disable_dma(CH_PPI);
-
- /* start dma */
- enable_dma(CH_PPI);
- bfin_t350mcqb_enable_ppi();
- bfin_write_PPI_STATUS(0xFFFF);
- }
-
- return IRQ_HANDLED;
-}
-
-static int bfin_t350mcqb_probe(struct platform_device *pdev)
-{
-#ifndef NO_BL_SUPPORT
- struct backlight_properties props;
-#endif
- struct bfin_t350mcqbfb_info *info;
- struct fb_info *fbinfo;
- int ret;
-
- printk(KERN_INFO DRIVER_NAME ": %dx%d %d-bit RGB FrameBuffer initializing...\n",
- LCD_X_RES, LCD_Y_RES, LCD_BPP);
-
- if (request_dma(CH_PPI, "CH_PPI") < 0) {
- printk(KERN_ERR DRIVER_NAME
- ": couldn't request CH_PPI DMA\n");
- ret = -EFAULT;
- goto out1;
- }
-
- fbinfo =
- framebuffer_alloc(sizeof(struct bfin_t350mcqbfb_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);
-
- 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 = 53;
- fbinfo->var.width = 70;
- 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 = LCD_BPP;
-
- fbinfo->var.red.offset = 0;
- fbinfo->var.green.offset = 8;
- fbinfo->var.blue.offset = 16;
- 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 = LCD_X_RES * LCD_Y_RES * LCD_BPP / 8;
-
- fbinfo->fix.line_length = fbinfo->var.xres_virtual *
- fbinfo->var.bits_per_pixel / 8;
-
-
- fbinfo->fbops = &bfin_t350mcqb_fb_ops;
- fbinfo->flags = FBINFO_FLAG_DEFAULT;
-
- info->fb_buffer = dma_alloc_coherent(NULL, fbinfo->fix.smem_len +
- ACTIVE_VIDEO_MEM_OFFSET,
- &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 + ACTIVE_VIDEO_MEM_OFFSET;
- fbinfo->fix.smem_start = (int)info->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET;
-
- fbinfo->fbops = &bfin_t350mcqb_fb_ops;
-
- fbinfo->pseudo_palette = &info->pseudo_pal;
-
- 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 (bfin_t350mcqb_request_ports(1)) {
- 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;
- }
-
- ret = request_irq(info->irq, bfin_t350mcqb_irq_error, 0,
- "PPI ERROR", info);
- if (ret < 0) {
- printk(KERN_ERR DRIVER_NAME
- ": unable to request PPI ERROR IRQ\n");
- 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("bf52x-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, 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:
- bfin_t350mcqb_request_ports(0);
-out6:
- fb_dealloc_cmap(&fbinfo->cmap);
-out4:
- dma_free_coherent(NULL, fbinfo->fix.smem_len + ACTIVE_VIDEO_MEM_OFFSET,
- info->fb_buffer, info->dma_handle);
-out3:
- framebuffer_release(fbinfo);
-out2:
- free_dma(CH_PPI);
-out1:
-
- return ret;
-}
-
-static int bfin_t350mcqb_remove(struct platform_device *pdev)
-{
-
- struct fb_info *fbinfo = platform_get_drvdata(pdev);
- struct bfin_t350mcqbfb_info *info = fbinfo->par;
-
- unregister_framebuffer(fbinfo);
-
- free_dma(CH_PPI);
- free_irq(info->irq, info);
-
- if (info->fb_buffer != NULL)
- dma_free_coherent(NULL, fbinfo->fix.smem_len +
- ACTIVE_VIDEO_MEM_OFFSET, 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
-
- bfin_t350mcqb_request_ports(0);
-
- framebuffer_release(fbinfo);
-
- printk(KERN_INFO DRIVER_NAME ": Unregister LCD driver.\n");
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state)
-{
- struct fb_info *fbinfo = platform_get_drvdata(pdev);
- struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
-
- if (fbi->lq043_open_cnt) {
- bfin_t350mcqb_disable_ppi();
- disable_dma(CH_PPI);
- bfin_t350mcqb_stop_timers();
- bfin_write_PPI_STATUS(-1);
- }
-
-
- return 0;
-}
-
-static int bfin_t350mcqb_resume(struct platform_device *pdev)
-{
- struct fb_info *fbinfo = platform_get_drvdata(pdev);
- struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
-
- if (fbi->lq043_open_cnt) {
- bfin_t350mcqb_config_dma(fbi);
- bfin_t350mcqb_config_ppi(fbi);
- bfin_t350mcqb_init_timers();
-
- /* start dma */
- enable_dma(CH_PPI);
- bfin_t350mcqb_enable_ppi();
- bfin_t350mcqb_start_timers();
- }
-
- return 0;
-}
-#else
-#define bfin_t350mcqb_suspend NULL
-#define bfin_t350mcqb_resume NULL
-#endif
-
-static struct platform_driver bfin_t350mcqb_driver = {
- .probe = bfin_t350mcqb_probe,
- .remove = bfin_t350mcqb_remove,
- .suspend = bfin_t350mcqb_suspend,
- .resume = bfin_t350mcqb_resume,
- .driver = {
- .name = DRIVER_NAME,
- },
-};
-module_platform_driver(bfin_t350mcqb_driver);
-
-MODULE_DESCRIPTION("Blackfin TFT LCD Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Frame buffer driver for ADV7393/2 video encoder
- *
- * Copyright 2006-2009 Analog Devices Inc.
- * Licensed under the GPL-2 or late.
- */
-
-/*
- * TODO: Remove Globals
- * TODO: Code Cleanup
- */
-
-#define DRIVER_NAME "bfin-adv7393"
-
-#define pr_fmt(fmt) DRIVER_NAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <asm/blackfin.h>
-#include <asm/irq.h>
-#include <asm/dma.h>
-#include <linux/uaccess.h>
-#include <linux/gpio.h>
-#include <asm/portmux.h>
-
-#include <linux/dma-mapping.h>
-#include <linux/proc_fs.h>
-#include <linux/platform_device.h>
-#include <linux/i2c.h>
-
-#include "bfin_adv7393fb.h"
-
-static int mode = VMODE;
-static int mem = VMEM;
-static int nocursor = 1;
-
-static const unsigned short ppi_pins[] = {
- 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
-};
-
-/*
- * card parameters
- */
-
-static struct bfin_adv7393_fb_par {
- /* structure holding blackfin / adv7393 parameters when
- screen is blanked */
- struct {
- u8 Mode; /* ntsc/pal/? */
- } vga_state;
- atomic_t ref_count;
-} bfin_par;
-
-/* --------------------------------------------------------------------- */
-
-static struct fb_var_screeninfo bfin_adv7393_fb_defined = {
- .xres = 720,
- .yres = 480,
- .xres_virtual = 720,
- .yres_virtual = 480,
- .bits_per_pixel = 16,
- .activate = FB_ACTIVATE_TEST,
- .height = -1,
- .width = -1,
- .left_margin = 0,
- .right_margin = 0,
- .upper_margin = 0,
- .lower_margin = 0,
- .vmode = FB_VMODE_INTERLACED,
- .red = {11, 5, 0},
- .green = {5, 6, 0},
- .blue = {0, 5, 0},
- .transp = {0, 0, 0},
-};
-
-static struct fb_fix_screeninfo bfin_adv7393_fb_fix = {
- .id = "BFIN ADV7393",
- .smem_len = 720 * 480 * 2,
- .type = FB_TYPE_PACKED_PIXELS,
- .visual = FB_VISUAL_TRUECOLOR,
- .xpanstep = 0,
- .ypanstep = 0,
- .line_length = 720 * 2,
- .accel = FB_ACCEL_NONE
-};
-
-static struct fb_ops bfin_adv7393_fb_ops = {
- .owner = THIS_MODULE,
- .fb_open = bfin_adv7393_fb_open,
- .fb_release = bfin_adv7393_fb_release,
- .fb_check_var = bfin_adv7393_fb_check_var,
- .fb_pan_display = bfin_adv7393_fb_pan_display,
- .fb_blank = bfin_adv7393_fb_blank,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
- .fb_cursor = bfin_adv7393_fb_cursor,
- .fb_setcolreg = bfin_adv7393_fb_setcolreg,
-};
-
-static int dma_desc_list(struct adv7393fb_device *fbdev, u16 arg)
-{
- if (arg == BUILD) { /* Build */
- fbdev->vb1 = l1_data_sram_zalloc(sizeof(struct dmasg));
- if (fbdev->vb1 == NULL)
- goto error;
-
- fbdev->av1 = l1_data_sram_zalloc(sizeof(struct dmasg));
- if (fbdev->av1 == NULL)
- goto error;
-
- fbdev->vb2 = l1_data_sram_zalloc(sizeof(struct dmasg));
- if (fbdev->vb2 == NULL)
- goto error;
-
- fbdev->av2 = l1_data_sram_zalloc(sizeof(struct dmasg));
- if (fbdev->av2 == NULL)
- goto error;
-
- /* Build linked DMA descriptor list */
- fbdev->vb1->next_desc_addr = fbdev->av1;
- fbdev->av1->next_desc_addr = fbdev->vb2;
- fbdev->vb2->next_desc_addr = fbdev->av2;
- fbdev->av2->next_desc_addr = fbdev->vb1;
-
- /* Save list head */
- fbdev->descriptor_list_head = fbdev->av2;
-
- /* Vertical Blanking Field 1 */
- fbdev->vb1->start_addr = VB_DUMMY_MEMORY_SOURCE;
- fbdev->vb1->cfg = DMA_CFG_VAL;
-
- fbdev->vb1->x_count =
- fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
-
- fbdev->vb1->x_modify = 0;
- fbdev->vb1->y_count = fbdev->modes[mode].vb1_lines;
- fbdev->vb1->y_modify = 0;
-
- /* Active Video Field 1 */
-
- fbdev->av1->start_addr = (unsigned long)fbdev->fb_mem;
- fbdev->av1->cfg = DMA_CFG_VAL;
- fbdev->av1->x_count =
- fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
- fbdev->av1->x_modify = fbdev->modes[mode].bpp / 8;
- fbdev->av1->y_count = fbdev->modes[mode].a_lines;
- fbdev->av1->y_modify =
- (fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank +
- 1) * (fbdev->modes[mode].bpp / 8);
-
- /* Vertical Blanking Field 2 */
-
- fbdev->vb2->start_addr = VB_DUMMY_MEMORY_SOURCE;
- fbdev->vb2->cfg = DMA_CFG_VAL;
- fbdev->vb2->x_count =
- fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
-
- fbdev->vb2->x_modify = 0;
- fbdev->vb2->y_count = fbdev->modes[mode].vb2_lines;
- fbdev->vb2->y_modify = 0;
-
- /* Active Video Field 2 */
-
- fbdev->av2->start_addr =
- (unsigned long)fbdev->fb_mem + fbdev->line_len;
-
- fbdev->av2->cfg = DMA_CFG_VAL;
-
- fbdev->av2->x_count =
- fbdev->modes[mode].xres + fbdev->modes[mode].boeft_blank;
-
- fbdev->av2->x_modify = (fbdev->modes[mode].bpp / 8);
- fbdev->av2->y_count = fbdev->modes[mode].a_lines;
-
- fbdev->av2->y_modify =
- (fbdev->modes[mode].xres - fbdev->modes[mode].boeft_blank +
- 1) * (fbdev->modes[mode].bpp / 8);
-
- return 1;
- }
-
-error:
- l1_data_sram_free(fbdev->vb1);
- l1_data_sram_free(fbdev->av1);
- l1_data_sram_free(fbdev->vb2);
- l1_data_sram_free(fbdev->av2);
-
- return 0;
-}
-
-static int bfin_config_dma(struct adv7393fb_device *fbdev)
-{
- BUG_ON(!(fbdev->fb_mem));
-
- set_dma_x_count(CH_PPI, fbdev->descriptor_list_head->x_count);
- set_dma_x_modify(CH_PPI, fbdev->descriptor_list_head->x_modify);
- set_dma_y_count(CH_PPI, fbdev->descriptor_list_head->y_count);
- set_dma_y_modify(CH_PPI, fbdev->descriptor_list_head->y_modify);
- set_dma_start_addr(CH_PPI, fbdev->descriptor_list_head->start_addr);
- set_dma_next_desc_addr(CH_PPI,
- fbdev->descriptor_list_head->next_desc_addr);
- set_dma_config(CH_PPI, fbdev->descriptor_list_head->cfg);
-
- return 1;
-}
-
-static void bfin_disable_dma(void)
-{
- bfin_write_DMA0_CONFIG(bfin_read_DMA0_CONFIG() & ~DMAEN);
-}
-
-static void bfin_config_ppi(struct adv7393fb_device *fbdev)
-{
- if (ANOMALY_05000183) {
- bfin_write_TIMER2_CONFIG(WDTH_CAP);
- bfin_write_TIMER_ENABLE(TIMEN2);
- }
-
- bfin_write_PPI_CONTROL(0x381E);
- bfin_write_PPI_FRAME(fbdev->modes[mode].tot_lines);
- bfin_write_PPI_COUNT(fbdev->modes[mode].xres +
- fbdev->modes[mode].boeft_blank - 1);
- bfin_write_PPI_DELAY(fbdev->modes[mode].aoeft_blank - 1);
-}
-
-static void bfin_enable_ppi(void)
-{
- bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
-}
-
-static void bfin_disable_ppi(void)
-{
- bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() & ~PORT_EN);
-}
-
-static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value)
-{
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int adv7393_read(struct i2c_client *client, u8 reg)
-{
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int
-adv7393_write_block(struct i2c_client *client,
- const u8 *data, unsigned int len)
-{
- int ret = -1;
- u8 reg;
-
- while (len >= 2) {
- reg = *data++;
- ret = adv7393_write(client, reg, *data++);
- if (ret < 0)
- break;
- len -= 2;
- }
-
- return ret;
-}
-
-static int adv7393_mode(struct i2c_client *client, u16 mode)
-{
- switch (mode) {
- case POWER_ON: /* ADV7393 Sleep mode OFF */
- adv7393_write(client, 0x00, 0x1E);
- break;
- case POWER_DOWN: /* ADV7393 Sleep mode ON */
- adv7393_write(client, 0x00, 0x1F);
- break;
- case BLANK_OFF: /* Pixel Data Valid */
- adv7393_write(client, 0x82, 0xCB);
- break;
- case BLANK_ON: /* Pixel Data Invalid */
- adv7393_write(client, 0x82, 0x8B);
- break;
- default:
- return -EINVAL;
- break;
- }
- return 0;
-}
-
-static irqreturn_t ppi_irq_error(int irq, void *dev_id)
-{
-
- struct adv7393fb_device *fbdev = (struct adv7393fb_device *)dev_id;
-
- u16 status = bfin_read_PPI_STATUS();
-
- pr_debug("%s: PPI Status = 0x%X\n", __func__, status);
-
- if (status) {
- bfin_disable_dma(); /* TODO: Check Sequence */
- bfin_disable_ppi();
- bfin_clear_PPI_STATUS();
- bfin_config_dma(fbdev);
- bfin_enable_ppi();
- }
-
- return IRQ_HANDLED;
-
-}
-
-static int proc_output(char *buf)
-{
- char *p = buf;
-
- p += sprintf(p,
- "Usage:\n"
- "echo 0x[REG][Value] > adv7393\n"
- "example: echo 0x1234 >adv7393\n"
- "writes 0x34 into Register 0x12\n");
-
- return p - buf;
-}
-
-static ssize_t
-adv7393_read_proc(struct file *file, char __user *buf,
- size_t size, loff_t *ppos)
-{
- static const char message[] = "Usage:\n"
- "echo 0x[REG][Value] > adv7393\n"
- "example: echo 0x1234 >adv7393\n"
- "writes 0x34 into Register 0x12\n";
- return simple_read_from_buffer(buf, size, ppos, message,
- sizeof(message));
-}
-
-static ssize_t
-adv7393_write_proc(struct file *file, const char __user * buffer,
- size_t count, loff_t *ppos)
-{
- struct adv7393fb_device *fbdev = PDE_DATA(file_inode(file));
- unsigned int val;
- int ret;
-
- ret = kstrtouint_from_user(buffer, count, 0, &val);
- if (ret)
- return -EFAULT;
-
- adv7393_write(fbdev->client, val >> 8, val & 0xff);
-
- return count;
-}
-
-static const struct file_operations fops = {
- .read = adv7393_read_proc,
- .write = adv7393_write_proc,
- .llseek = default_llseek,
-};
-
-static int bfin_adv7393_fb_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- int ret = 0;
- struct proc_dir_entry *entry;
-
- struct adv7393fb_device *fbdev = NULL;
-
- if (mem > 2) {
- dev_err(&client->dev, "mem out of allowed range [1;2]\n");
- return -EINVAL;
- }
-
- if (mode >= ARRAY_SIZE(known_modes)) {
- dev_err(&client->dev, "mode %d: not supported", mode);
- return -EFAULT;
- }
-
- fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
- if (!fbdev) {
- dev_err(&client->dev, "failed to allocate device private record");
- return -ENOMEM;
- }
-
- i2c_set_clientdata(client, fbdev);
-
- fbdev->modes = known_modes;
- fbdev->client = client;
-
- fbdev->fb_len =
- mem * fbdev->modes[mode].xres * fbdev->modes[mode].xres *
- (fbdev->modes[mode].bpp / 8);
-
- fbdev->line_len =
- fbdev->modes[mode].xres * (fbdev->modes[mode].bpp / 8);
-
- /* Workaround "PPI Does Not Start Properly In Specific Mode" */
- if (ANOMALY_05000400) {
- ret = gpio_request_one(P_IDENT(P_PPI0_FS3), GPIOF_OUT_INIT_LOW,
- "PPI0_FS3");
- if (ret) {
- dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n");
- ret = -EBUSY;
- goto free_fbdev;
- }
- }
-
- if (peripheral_request_list(ppi_pins, DRIVER_NAME)) {
- dev_err(&client->dev, "requesting PPI peripheral failed\n");
- ret = -EFAULT;
- goto free_gpio;
- }
-
- fbdev->fb_mem =
- dma_alloc_coherent(NULL, fbdev->fb_len, &fbdev->dma_handle,
- GFP_KERNEL);
-
- if (NULL == fbdev->fb_mem) {
- dev_err(&client->dev, "couldn't allocate dma buffer (%d bytes)\n",
- (u32) fbdev->fb_len);
- ret = -ENOMEM;
- goto free_ppi_pins;
- }
-
- fbdev->info.screen_base = (void *)fbdev->fb_mem;
- bfin_adv7393_fb_fix.smem_start = (int)fbdev->fb_mem;
-
- bfin_adv7393_fb_fix.smem_len = fbdev->fb_len;
- bfin_adv7393_fb_fix.line_length = fbdev->line_len;
-
- if (mem > 1)
- bfin_adv7393_fb_fix.ypanstep = 1;
-
- bfin_adv7393_fb_defined.red.length = 5;
- bfin_adv7393_fb_defined.green.length = 6;
- bfin_adv7393_fb_defined.blue.length = 5;
-
- bfin_adv7393_fb_defined.xres = fbdev->modes[mode].xres;
- bfin_adv7393_fb_defined.yres = fbdev->modes[mode].yres;
- bfin_adv7393_fb_defined.xres_virtual = fbdev->modes[mode].xres;
- bfin_adv7393_fb_defined.yres_virtual = mem * fbdev->modes[mode].yres;
- bfin_adv7393_fb_defined.bits_per_pixel = fbdev->modes[mode].bpp;
-
- fbdev->info.fbops = &bfin_adv7393_fb_ops;
- fbdev->info.var = bfin_adv7393_fb_defined;
- fbdev->info.fix = bfin_adv7393_fb_fix;
- fbdev->info.par = &bfin_par;
- fbdev->info.flags = FBINFO_DEFAULT;
-
- fbdev->info.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL);
- if (!fbdev->info.pseudo_palette) {
- dev_err(&client->dev, "failed to allocate pseudo_palette\n");
- ret = -ENOMEM;
- goto free_fb_mem;
- }
-
- if (fb_alloc_cmap(&fbdev->info.cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
- dev_err(&client->dev, "failed to allocate colormap (%d entries)\n",
- BFIN_LCD_NBR_PALETTE_ENTRIES);
- ret = -EFAULT;
- goto free_palette;
- }
-
- if (request_dma(CH_PPI, "BF5xx_PPI_DMA") < 0) {
- dev_err(&client->dev, "unable to request PPI DMA\n");
- ret = -EFAULT;
- goto free_cmap;
- }
-
- if (request_irq(IRQ_PPI_ERROR, ppi_irq_error, 0,
- "PPI ERROR", fbdev) < 0) {
- dev_err(&client->dev, "unable to request PPI ERROR IRQ\n");
- ret = -EFAULT;
- goto free_ch_ppi;
- }
-
- fbdev->open = 0;
-
- ret = adv7393_write_block(client, fbdev->modes[mode].adv7393_i2c_initd,
- fbdev->modes[mode].adv7393_i2c_initd_len);
-
- if (ret) {
- dev_err(&client->dev, "i2c attach: init error\n");
- goto free_irq_ppi;
- }
-
-
- if (register_framebuffer(&fbdev->info) < 0) {
- dev_err(&client->dev, "unable to register framebuffer\n");
- ret = -EFAULT;
- goto free_irq_ppi;
- }
-
- dev_info(&client->dev, "fb%d: %s frame buffer device\n",
- fbdev->info.node, fbdev->info.fix.id);
- dev_info(&client->dev, "fb memory address : 0x%p\n", fbdev->fb_mem);
-
- entry = proc_create_data("driver/adv7393", 0, NULL, &fops, fbdev);
- if (!entry) {
- dev_err(&client->dev, "unable to create /proc entry\n");
- ret = -EFAULT;
- goto free_fb;
- }
- return 0;
-
-free_fb:
- unregister_framebuffer(&fbdev->info);
-free_irq_ppi:
- free_irq(IRQ_PPI_ERROR, fbdev);
-free_ch_ppi:
- free_dma(CH_PPI);
-free_cmap:
- fb_dealloc_cmap(&fbdev->info.cmap);
-free_palette:
- kfree(fbdev->info.pseudo_palette);
-free_fb_mem:
- dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem,
- fbdev->dma_handle);
-free_ppi_pins:
- peripheral_free_list(ppi_pins);
-free_gpio:
- if (ANOMALY_05000400)
- gpio_free(P_IDENT(P_PPI0_FS3));
-free_fbdev:
- kfree(fbdev);
-
- return ret;
-}
-
-static int bfin_adv7393_fb_open(struct fb_info *info, int user)
-{
- struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
-
- fbdev->info.screen_base = (void *)fbdev->fb_mem;
- if (!fbdev->info.screen_base) {
- dev_err(&fbdev->client->dev, "unable to map device\n");
- return -ENOMEM;
- }
-
- fbdev->open = 1;
- dma_desc_list(fbdev, BUILD);
- adv7393_mode(fbdev->client, BLANK_OFF);
- bfin_config_ppi(fbdev);
- bfin_config_dma(fbdev);
- bfin_enable_ppi();
-
- return 0;
-}
-
-static int bfin_adv7393_fb_release(struct fb_info *info, int user)
-{
- struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
-
- adv7393_mode(fbdev->client, BLANK_ON);
- bfin_disable_dma();
- bfin_disable_ppi();
- dma_desc_list(fbdev, DESTRUCT);
- fbdev->open = 0;
- return 0;
-}
-
-static int
-bfin_adv7393_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_adv7393_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- int dy;
- u32 dmaaddr;
- struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
-
- if (!var || !info)
- return -EINVAL;
-
- if (var->xoffset - info->var.xoffset) {
- /* No support for X panning for now! */
- return -EINVAL;
- }
- dy = var->yoffset - info->var.yoffset;
-
- if (dy) {
- pr_debug("%s: Panning screen of %d lines\n", __func__, dy);
-
- dmaaddr = fbdev->av1->start_addr;
- dmaaddr += (info->fix.line_length * dy);
- /* TODO: Wait for current frame to finished */
-
- fbdev->av1->start_addr = (unsigned long)dmaaddr;
- fbdev->av2->start_addr = (unsigned long)dmaaddr + fbdev->line_len;
- }
-
- return 0;
-
-}
-
-/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
-static int bfin_adv7393_fb_blank(int blank, struct fb_info *info)
-{
- struct adv7393fb_device *fbdev = to_adv7393fb_device(info);
-
- switch (blank) {
-
- case VESA_NO_BLANKING:
- /* Turn on panel */
- adv7393_mode(fbdev->client, BLANK_OFF);
- break;
-
- case VESA_VSYNC_SUSPEND:
- case VESA_HSYNC_SUSPEND:
- case VESA_POWERDOWN:
- /* Turn off panel */
- adv7393_mode(fbdev->client, BLANK_ON);
- break;
-
- default:
- return -EINVAL;
- break;
- }
- return 0;
-}
-
-int bfin_adv7393_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_adv7393_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 &= 0xFFFF;
-
- ((u32 *) (info->pseudo_palette))[regno] = value;
- }
-
- return 0;
-}
-
-static int bfin_adv7393_fb_remove(struct i2c_client *client)
-{
- struct adv7393fb_device *fbdev = i2c_get_clientdata(client);
-
- adv7393_mode(client, POWER_DOWN);
-
- if (fbdev->fb_mem)
- dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, fbdev->dma_handle);
- free_dma(CH_PPI);
- free_irq(IRQ_PPI_ERROR, fbdev);
- unregister_framebuffer(&fbdev->info);
- remove_proc_entry("driver/adv7393", NULL);
- fb_dealloc_cmap(&fbdev->info.cmap);
- kfree(fbdev->info.pseudo_palette);
-
- if (ANOMALY_05000400)
- gpio_free(P_IDENT(P_PPI0_FS3)); /* FS3 */
- peripheral_free_list(ppi_pins);
- kfree(fbdev);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int bfin_adv7393_fb_suspend(struct device *dev)
-{
- struct adv7393fb_device *fbdev = dev_get_drvdata(dev);
-
- if (fbdev->open) {
- bfin_disable_dma();
- bfin_disable_ppi();
- dma_desc_list(fbdev, DESTRUCT);
- }
- adv7393_mode(fbdev->client, POWER_DOWN);
-
- return 0;
-}
-
-static int bfin_adv7393_fb_resume(struct device *dev)
-{
- struct adv7393fb_device *fbdev = dev_get_drvdata(dev);
-
- adv7393_mode(fbdev->client, POWER_ON);
-
- if (fbdev->open) {
- dma_desc_list(fbdev, BUILD);
- bfin_config_ppi(fbdev);
- bfin_config_dma(fbdev);
- bfin_enable_ppi();
- }
-
- return 0;
-}
-
-static const struct dev_pm_ops bfin_adv7393_dev_pm_ops = {
- .suspend = bfin_adv7393_fb_suspend,
- .resume = bfin_adv7393_fb_resume,
-};
-#endif
-
-static const struct i2c_device_id bfin_adv7393_id[] = {
- {DRIVER_NAME, 0},
- {}
-};
-
-MODULE_DEVICE_TABLE(i2c, bfin_adv7393_id);
-
-static struct i2c_driver bfin_adv7393_fb_driver = {
- .driver = {
- .name = DRIVER_NAME,
-#ifdef CONFIG_PM
- .pm = &bfin_adv7393_dev_pm_ops,
-#endif
- },
- .probe = bfin_adv7393_fb_probe,
- .remove = bfin_adv7393_fb_remove,
- .id_table = bfin_adv7393_id,
-};
-
-static int __init bfin_adv7393_fb_driver_init(void)
-{
-#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
- request_module("i2c-bfin-twi");
-#else
- request_module("i2c-gpio");
-#endif
-
- return i2c_add_driver(&bfin_adv7393_fb_driver);
-}
-module_init(bfin_adv7393_fb_driver_init);
-
-static void __exit bfin_adv7393_fb_driver_cleanup(void)
-{
- i2c_del_driver(&bfin_adv7393_fb_driver);
-}
-module_exit(bfin_adv7393_fb_driver_cleanup);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
-MODULE_DESCRIPTION("Frame buffer driver for ADV7393/2 Video Encoder");
-
-module_param(mode, int, 0);
-MODULE_PARM_DESC(mode,
- "Video Mode (0=NTSC,1=PAL,2=NTSC 640x480,3=PAL 640x480,4=NTSC YCbCr input,5=PAL YCbCr input)");
-
-module_param(mem, int, 0);
-MODULE_PARM_DESC(mem,
- "Size of frame buffer memory 1=Single 2=Double Size (allows y-panning / frame stacking)");
-
-module_param(nocursor, int, 0644);
-MODULE_PARM_DESC(nocursor, "cursor enable/disable");
+++ /dev/null
-/*
- * Frame buffer driver for ADV7393/2 video encoder
- *
- * Copyright 2006-2009 Analog Devices Inc.
- * Licensed under the GPL-2 or late.
- */
-
-#ifndef __BFIN_ADV7393FB_H__
-#define __BFIN_ADV7393FB_H__
-
-#define BFIN_LCD_NBR_PALETTE_ENTRIES 256
-
-#ifdef CONFIG_NTSC
-# define VMODE 0
-#endif
-#ifdef CONFIG_PAL
-# define VMODE 1
-#endif
-#ifdef CONFIG_NTSC_640x480
-# define VMODE 2
-#endif
-#ifdef CONFIG_PAL_640x480
-# define VMODE 3
-#endif
-#ifdef CONFIG_NTSC_YCBCR
-# define VMODE 4
-#endif
-#ifdef CONFIG_PAL_YCBCR
-# define VMODE 5
-#endif
-
-#ifndef VMODE
-# define VMODE 1
-#endif
-
-#ifdef CONFIG_ADV7393_2XMEM
-# define VMEM 2
-#else
-# define VMEM 1
-#endif
-
-#if defined(CONFIG_BF537) || defined(CONFIG_BF536) || defined(CONFIG_BF534)
-# define DMA_CFG_VAL 0x7935 /* Set Sync Bit */
-# define VB_DUMMY_MEMORY_SOURCE L1_DATA_B_START
-#else
-# define DMA_CFG_VAL 0x7915
-# define VB_DUMMY_MEMORY_SOURCE BOOT_ROM_START
-#endif
-
-enum {
- DESTRUCT,
- BUILD,
-};
-
-enum {
- POWER_ON,
- POWER_DOWN,
- BLANK_ON,
- BLANK_OFF,
-};
-
-struct adv7393fb_modes {
- const s8 name[25]; /* Full name */
- u16 xres; /* Active Horizonzal Pixels */
- u16 yres; /* Active Vertical Pixels */
- u16 bpp;
- u16 vmode;
- u16 a_lines; /* Active Lines per Field */
- u16 vb1_lines; /* Vertical Blanking Field 1 Lines */
- u16 vb2_lines; /* Vertical Blanking Field 2 Lines */
- u16 tot_lines; /* Total Lines per Frame */
- u16 boeft_blank; /* Before Odd/Even Field Transition No. of Blank Pixels */
- u16 aoeft_blank; /* After Odd/Even Field Transition No. of Blank Pixels */
- const s8 *adv7393_i2c_initd;
- u16 adv7393_i2c_initd_len;
-};
-
-static const u8 init_NTSC_TESTPATTERN[] = {
- 0x00, 0x1E, /* Power up all DACs and PLL */
- 0x01, 0x00, /* SD-Only Mode */
- 0x80, 0x10, /* SSAF Luma Filter Enabled, NTSC Mode */
- 0x82, 0xCB, /* Step control on, pixel data valid, pedestal on, PrPb SSAF on, CVBS/YC output */
- 0x84, 0x40, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
-};
-
-static const u8 init_NTSC[] = {
- 0x00, 0x1E, /* Power up all DACs and PLL */
- 0xC3, 0x26, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xC5, 0x12, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xC2, 0x4A, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xC6, 0x5E, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xBD, 0x19, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xBF, 0x42, /* Program RGB->YCrCb Color Space conversion matrix */
- 0x8C, 0x1F, /* NTSC Subcarrier Frequency */
- 0x8D, 0x7C, /* NTSC Subcarrier Frequency */
- 0x8E, 0xF0, /* NTSC Subcarrier Frequency */
- 0x8F, 0x21, /* NTSC Subcarrier Frequency */
- 0x01, 0x00, /* SD-Only Mode */
- 0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
- 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
- 0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
- 0x86, 0x82,
- 0x8B, 0x11,
- 0x88, 0x20,
- 0x8A, 0x0d,
-};
-
-static const u8 init_PAL[] = {
- 0x00, 0x1E, /* Power up all DACs and PLL */
- 0xC3, 0x26, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xC5, 0x12, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xC2, 0x4A, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xC6, 0x5E, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xBD, 0x19, /* Program RGB->YCrCb Color Space conversion matrix */
- 0xBF, 0x42, /* Program RGB->YCrCb Color Space conversion matrix */
- 0x8C, 0xCB, /* PAL Subcarrier Frequency */
- 0x8D, 0x8A, /* PAL Subcarrier Frequency */
- 0x8E, 0x09, /* PAL Subcarrier Frequency */
- 0x8F, 0x2A, /* PAL Subcarrier Frequency */
- 0x01, 0x00, /* SD-Only Mode */
- 0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
- 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
- 0x87, 0x80, /* SD Color Bar Test Pattern Enabled, DAC 2 = Luma, DAC 3 = Chroma */
- 0x86, 0x82,
- 0x8B, 0x11,
- 0x88, 0x20,
- 0x8A, 0x0d,
-};
-
-static const u8 init_NTSC_YCbCr[] = {
- 0x00, 0x1E, /* Power up all DACs and PLL */
- 0x8C, 0x1F, /* NTSC Subcarrier Frequency */
- 0x8D, 0x7C, /* NTSC Subcarrier Frequency */
- 0x8E, 0xF0, /* NTSC Subcarrier Frequency */
- 0x8F, 0x21, /* NTSC Subcarrier Frequency */
- 0x01, 0x00, /* SD-Only Mode */
- 0x80, 0x30, /* SSAF Luma Filter Enabled, NTSC Mode */
- 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
- 0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
- 0x86, 0x82,
- 0x8B, 0x11,
- 0x88, 0x08,
- 0x8A, 0x0d,
-};
-
-static const u8 init_PAL_YCbCr[] = {
- 0x00, 0x1E, /* Power up all DACs and PLL */
- 0x8C, 0xCB, /* PAL Subcarrier Frequency */
- 0x8D, 0x8A, /* PAL Subcarrier Frequency */
- 0x8E, 0x09, /* PAL Subcarrier Frequency */
- 0x8F, 0x2A, /* PAL Subcarrier Frequency */
- 0x01, 0x00, /* SD-Only Mode */
- 0x80, 0x11, /* SSAF Luma Filter Enabled, PAL Mode */
- 0x82, 0x8B, /* Step control on, pixel data invalid, pedestal on, PrPb SSAF on, CVBS/YC output */
- 0x87, 0x00, /* DAC 2 = Luma, DAC 3 = Chroma */
- 0x86, 0x82,
- 0x8B, 0x11,
- 0x88, 0x08,
- 0x8A, 0x0d,
-};
-
-static struct adv7393fb_modes known_modes[] = {
- /* NTSC 720x480 CRT */
- {
- .name = "NTSC 720x480",
- .xres = 720,
- .yres = 480,
- .bpp = 16,
- .vmode = FB_VMODE_INTERLACED,
- .a_lines = 240,
- .vb1_lines = 22,
- .vb2_lines = 23,
- .tot_lines = 525,
- .boeft_blank = 16,
- .aoeft_blank = 122,
- .adv7393_i2c_initd = init_NTSC,
- .adv7393_i2c_initd_len = sizeof(init_NTSC)
- },
- /* PAL 720x480 CRT */
- {
- .name = "PAL 720x576",
- .xres = 720,
- .yres = 576,
- .bpp = 16,
- .vmode = FB_VMODE_INTERLACED,
- .a_lines = 288,
- .vb1_lines = 24,
- .vb2_lines = 25,
- .tot_lines = 625,
- .boeft_blank = 12,
- .aoeft_blank = 132,
- .adv7393_i2c_initd = init_PAL,
- .adv7393_i2c_initd_len = sizeof(init_PAL)
- },
- /* NTSC 640x480 CRT Experimental */
- {
- .name = "NTSC 640x480",
- .xres = 640,
- .yres = 480,
- .bpp = 16,
- .vmode = FB_VMODE_INTERLACED,
- .a_lines = 240,
- .vb1_lines = 22,
- .vb2_lines = 23,
- .tot_lines = 525,
- .boeft_blank = 16 + 40,
- .aoeft_blank = 122 + 40,
- .adv7393_i2c_initd = init_NTSC,
- .adv7393_i2c_initd_len = sizeof(init_NTSC)
- },
- /* PAL 640x480 CRT Experimental */
- {
- .name = "PAL 640x480",
- .xres = 640,
- .yres = 480,
- .bpp = 16,
- .vmode = FB_VMODE_INTERLACED,
- .a_lines = 288 - 20,
- .vb1_lines = 24 + 20,
- .vb2_lines = 25 + 20,
- .tot_lines = 625,
- .boeft_blank = 12 + 40,
- .aoeft_blank = 132 + 40,
- .adv7393_i2c_initd = init_PAL,
- .adv7393_i2c_initd_len = sizeof(init_PAL)
- },
- /* NTSC 720x480 YCbCR */
- {
- .name = "NTSC 720x480 YCbCR",
- .xres = 720,
- .yres = 480,
- .bpp = 16,
- .vmode = FB_VMODE_INTERLACED,
- .a_lines = 240,
- .vb1_lines = 22,
- .vb2_lines = 23,
- .tot_lines = 525,
- .boeft_blank = 16,
- .aoeft_blank = 122,
- .adv7393_i2c_initd = init_NTSC_YCbCr,
- .adv7393_i2c_initd_len = sizeof(init_NTSC_YCbCr)
- },
- /* PAL 720x480 CRT */
- {
- .name = "PAL 720x576 YCbCR",
- .xres = 720,
- .yres = 576,
- .bpp = 16,
- .vmode = FB_VMODE_INTERLACED,
- .a_lines = 288,
- .vb1_lines = 24,
- .vb2_lines = 25,
- .tot_lines = 625,
- .boeft_blank = 12,
- .aoeft_blank = 132,
- .adv7393_i2c_initd = init_PAL_YCbCr,
- .adv7393_i2c_initd_len = sizeof(init_PAL_YCbCr)
- }
-};
-
-struct adv7393fb_regs {
-
-};
-
-struct adv7393fb_device {
- struct fb_info info; /* FB driver info record */
-
- struct i2c_client *client;
-
- struct dmasg *descriptor_list_head;
- struct dmasg *vb1;
- struct dmasg *av1;
- struct dmasg *vb2;
- struct dmasg *av2;
-
- dma_addr_t dma_handle;
-
- struct fb_info bfin_adv7393_fb;
-
- struct adv7393fb_modes *modes;
-
- struct adv7393fb_regs *regs; /* Registers memory map */
- size_t regs_len;
- size_t fb_len;
- size_t line_len;
- u16 open;
- u16 *fb_mem; /* RGB Buffer */
-
-};
-
-#define to_adv7393fb_device(_info) \
- (_info ? container_of(_info, struct adv7393fb_device, info) : NULL);
-
-static int bfin_adv7393_fb_open(struct fb_info *info, int user);
-static int bfin_adv7393_fb_release(struct fb_info *info, int user);
-static int bfin_adv7393_fb_check_var(struct fb_var_screeninfo *var,
- struct fb_info *info);
-
-static int bfin_adv7393_fb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info);
-
-static int bfin_adv7393_fb_blank(int blank, struct fb_info *info);
-
-static void bfin_config_ppi(struct adv7393fb_device *fbdev);
-static int bfin_config_dma(struct adv7393fb_device *fbdev);
-static void bfin_disable_dma(void);
-static void bfin_enable_ppi(void);
-static void bfin_disable_ppi(void);
-
-static inline int adv7393_write(struct i2c_client *client, u8 reg, u8 value);
-static inline int adv7393_read(struct i2c_client *client, u8 reg);
-static int adv7393_write_block(struct i2c_client *client, const u8 *data,
- unsigned int len);
-
-int bfin_adv7393_fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
-static int bfin_adv7393_fb_setcolreg(u_int, u_int, u_int, u_int,
- u_int, struct fb_info *info);
-
-#endif
#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || \
defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || \
- defined(__avr32__) || defined(__bfin__) || defined(__arm__) || \
- defined(__aarch64__)
+ defined(__arm__) || defined(__aarch64__)
#define fb_readb __raw_readb
#define fb_readw __raw_readw
projects / platform / kernel / linux-rpi.git / commitdiff