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-rw-r--r--drivers/video/atmel_lcdfb.c10
-rw-r--r--drivers/video/backlight/Kconfig15
-rw-r--r--drivers/video/backlight/Makefile2
-rw-r--r--drivers/video/backlight/corgi_lcd.c641
-rw-r--r--drivers/video/backlight/lcd.c18
-rw-r--r--drivers/video/backlight/tdo24m.c396
-rw-r--r--drivers/video/bf54x-lq043fb.c2
-rw-r--r--drivers/video/cirrusfb.c59
-rw-r--r--drivers/video/fbmem.c1
-rw-r--r--drivers/video/tdfxfb.c9
10 files changed, 1099 insertions, 54 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 9c5925927ec..5a24c6411d3 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -939,7 +939,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
ret = register_framebuffer(info);
if (ret < 0) {
dev_err(dev, "failed to register framebuffer device: %d\n", ret);
- goto free_cmap;
+ goto reset_drvdata;
}
/* add selected videomode to modelist */
@@ -955,7 +955,8 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
return 0;
-
+reset_drvdata:
+ dev_set_drvdata(dev, NULL);
free_cmap:
fb_dealloc_cmap(&info->cmap);
unregister_irqs:
@@ -992,10 +993,11 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct fb_info *info = dev_get_drvdata(dev);
- struct atmel_lcdfb_info *sinfo = info->par;
+ struct atmel_lcdfb_info *sinfo;
- if (!sinfo)
+ if (!info || !info->par)
return 0;
+ sinfo = info->par;
cancel_work_sync(&sinfo->task);
exit_backlight(sinfo);
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 452b770d8cc..c72a1356295 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -24,6 +24,13 @@ config LCD_CLASS_DEVICE
To have support for your specific LCD panel you will have to
select the proper drivers which depend on this option.
+config LCD_CORGI
+ tristate "LCD Panel support for SHARP corgi/spitz model"
+ depends on LCD_CLASS_DEVICE && SPI_MASTER && PXA_SHARPSL
+ help
+ Say y here to support the LCD panels usually found on SHARP
+ corgi (C7x0) and spitz (Cxx00) models.
+
config LCD_LTV350QV
tristate "Samsung LTV350QV LCD Panel"
depends on LCD_CLASS_DEVICE && SPI_MASTER
@@ -44,6 +51,14 @@ config LCD_ILI9320
If you have a panel based on the ILI9320 controller chip
then say y to include a power driver for it.
+config LCD_TDO24M
+ tristate "Toppoly TDO24M LCD Panels support"
+ depends on LCD_CLASS_DEVICE && SPI_MASTER
+ default n
+ help
+ If you have a Toppoly TDO24M series LCD panel, say y here to
+ include the support for it.
+
config LCD_VGG2432A4
tristate "VGG2432A4 LCM device support"
depends on BACKLIGHT_LCD_SUPPORT && LCD_CLASS_DEVICE && SPI_MASTER
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index b405aace803..3ec551eb472 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -1,10 +1,12 @@
# Backlight & LCD drivers
obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o
+obj-$(CONFIG_LCD_CORGI) += corgi_lcd.o
obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o
obj-$(CONFIG_LCD_ILI9320) += ili9320.o
obj-$(CONFIG_LCD_PLATFORM) += platform_lcd.o
obj-$(CONFIG_LCD_VGG2432A4) += vgg2432a4.o
+obj-$(CONFIG_LCD_TDO24M) += tdo24m.o
obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
obj-$(CONFIG_BACKLIGHT_ATMEL_PWM) += atmel-pwm-bl.o
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
new file mode 100644
index 00000000000..2afd47eefe7
--- /dev/null
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -0,0 +1,641 @@
+/*
+ * LCD/Backlight Driver for Sharp Zaurus Handhelds (various models)
+ *
+ * Copyright (c) 2004-2006 Richard Purdie
+ *
+ * Based on Sharp's 2.4 Backlight Driver
+ *
+ * Copyright (c) 2008 Marvell International Ltd.
+ * Converted to SPI device based LCD/Backlight device driver
+ * by Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/fb.h>
+#include <linux/lcd.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/corgi_lcd.h>
+#include <asm/mach/sharpsl_param.h>
+
+#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL)
+
+/* Register Addresses */
+#define RESCTL_ADRS 0x00
+#define PHACTRL_ADRS 0x01
+#define DUTYCTRL_ADRS 0x02
+#define POWERREG0_ADRS 0x03
+#define POWERREG1_ADRS 0x04
+#define GPOR3_ADRS 0x05
+#define PICTRL_ADRS 0x06
+#define POLCTRL_ADRS 0x07
+
+/* Register Bit Definitions */
+#define RESCTL_QVGA 0x01
+#define RESCTL_VGA 0x00
+
+#define POWER1_VW_ON 0x01 /* VW Supply FET ON */
+#define POWER1_GVSS_ON 0x02 /* GVSS(-8V) Power Supply ON */
+#define POWER1_VDD_ON 0x04 /* VDD(8V),SVSS(-4V) Power Supply ON */
+
+#define POWER1_VW_OFF 0x00 /* VW Supply FET OFF */
+#define POWER1_GVSS_OFF 0x00 /* GVSS(-8V) Power Supply OFF */
+#define POWER1_VDD_OFF 0x00 /* VDD(8V),SVSS(-4V) Power Supply OFF */
+
+#define POWER0_COM_DCLK 0x01 /* COM Voltage DC Bias DAC Serial Data Clock */
+#define POWER0_COM_DOUT 0x02 /* COM Voltage DC Bias DAC Serial Data Out */
+#define POWER0_DAC_ON 0x04 /* DAC Power Supply ON */
+#define POWER0_COM_ON 0x08 /* COM Power Supply ON */
+#define POWER0_VCC5_ON 0x10 /* VCC5 Power Supply ON */
+
+#define POWER0_DAC_OFF 0x00 /* DAC Power Supply OFF */
+#define POWER0_COM_OFF 0x00 /* COM Power Supply OFF */
+#define POWER0_VCC5_OFF 0x00 /* VCC5 Power Supply OFF */
+
+#define PICTRL_INIT_STATE 0x01
+#define PICTRL_INIOFF 0x02
+#define PICTRL_POWER_DOWN 0x04
+#define PICTRL_COM_SIGNAL_OFF 0x08
+#define PICTRL_DAC_SIGNAL_OFF 0x10
+
+#define POLCTRL_SYNC_POL_FALL 0x01
+#define POLCTRL_EN_POL_FALL 0x02
+#define POLCTRL_DATA_POL_FALL 0x04
+#define POLCTRL_SYNC_ACT_H 0x08
+#define POLCTRL_EN_ACT_L 0x10
+
+#define POLCTRL_SYNC_POL_RISE 0x00
+#define POLCTRL_EN_POL_RISE 0x00
+#define POLCTRL_DATA_POL_RISE 0x00
+#define POLCTRL_SYNC_ACT_L 0x00
+#define POLCTRL_EN_ACT_H 0x00
+
+#define PHACTRL_PHASE_MANUAL 0x01
+#define DEFAULT_PHAD_QVGA (9)
+#define DEFAULT_COMADJ (125)
+
+struct corgi_lcd {
+ struct spi_device *spi_dev;
+ struct lcd_device *lcd_dev;
+ struct backlight_device *bl_dev;
+
+ int limit_mask;
+ int intensity;
+ int power;
+ int mode;
+ char buf[2];
+
+ int gpio_backlight_on;
+ int gpio_backlight_cont;
+ int gpio_backlight_cont_inverted;
+
+ void (*kick_battery)(void);
+};
+
+static int corgi_ssp_lcdtg_send(struct corgi_lcd *lcd, int reg, uint8_t val);
+
+static struct corgi_lcd *the_corgi_lcd;
+static unsigned long corgibl_flags;
+#define CORGIBL_SUSPENDED 0x01
+#define CORGIBL_BATTLOW 0x02
+
+/*
+ * This is only a psuedo I2C interface. We can't use the standard kernel
+ * routines as the interface is write only. We just assume the data is acked...
+ */
+static void lcdtg_ssp_i2c_send(struct corgi_lcd *lcd, uint8_t data)
+{
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS, data);
+ udelay(10);
+}
+
+static void lcdtg_i2c_send_bit(struct corgi_lcd *lcd, uint8_t data)
+{
+ lcdtg_ssp_i2c_send(lcd, data);
+ lcdtg_ssp_i2c_send(lcd, data | POWER0_COM_DCLK);
+ lcdtg_ssp_i2c_send(lcd, data);
+}
+
+static void lcdtg_i2c_send_start(struct corgi_lcd *lcd, uint8_t base)
+{
+ lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK | POWER0_COM_DOUT);
+ lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK);
+ lcdtg_ssp_i2c_send(lcd, base);
+}
+
+static void lcdtg_i2c_send_stop(struct corgi_lcd *lcd, uint8_t base)
+{
+ lcdtg_ssp_i2c_send(lcd, base);
+ lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK);
+ lcdtg_ssp_i2c_send(lcd, base | POWER0_COM_DCLK | POWER0_COM_DOUT);
+}
+
+static void lcdtg_i2c_send_byte(struct corgi_lcd *lcd,
+ uint8_t base, uint8_t data)
+{
+ int i;
+ for (i = 0; i < 8; i++) {
+ if (data & 0x80)
+ lcdtg_i2c_send_bit(lcd, base | POWER0_COM_DOUT);
+ else
+ lcdtg_i2c_send_bit(lcd, base);
+ data <<= 1;
+ }
+}
+
+static void lcdtg_i2c_wait_ack(struct corgi_lcd *lcd, uint8_t base)
+{
+ lcdtg_i2c_send_bit(lcd, base);
+}
+
+static void lcdtg_set_common_voltage(struct corgi_lcd *lcd,
+ uint8_t base_data, uint8_t data)
+{
+ /* Set Common Voltage to M62332FP via I2C */
+ lcdtg_i2c_send_start(lcd, base_data);
+ lcdtg_i2c_send_byte(lcd, base_data, 0x9c);
+ lcdtg_i2c_wait_ack(lcd, base_data);
+ lcdtg_i2c_send_byte(lcd, base_data, 0x00);
+ lcdtg_i2c_wait_ack(lcd, base_data);
+ lcdtg_i2c_send_byte(lcd, base_data, data);
+ lcdtg_i2c_wait_ack(lcd, base_data);
+ lcdtg_i2c_send_stop(lcd, base_data);
+}
+
+static int corgi_ssp_lcdtg_send(struct corgi_lcd *lcd, int adrs, uint8_t data)
+{
+ struct spi_message msg;
+ struct spi_transfer xfer = {
+ .len = 1,
+ .cs_change = 1,
+ .tx_buf = lcd->buf,
+ };
+
+ lcd->buf[0] = ((adrs & 0x07) << 5) | (data & 0x1f);
+ spi_message_init(&msg);
+ spi_message_add_tail(&xfer, &msg);
+
+ return spi_sync(lcd->spi_dev, &msg);
+}
+
+/* Set Phase Adjust */
+static void lcdtg_set_phadadj(struct corgi_lcd *lcd, int mode)
+{
+ int adj;
+
+ switch(mode) {
+ case CORGI_LCD_MODE_VGA:
+ /* Setting for VGA */
+ adj = sharpsl_param.phadadj;
+ adj = (adj < 0) ? PHACTRL_PHASE_MANUAL :
+ PHACTRL_PHASE_MANUAL | ((adj & 0xf) << 1);
+ break;
+ case CORGI_LCD_MODE_QVGA:
+ default:
+ /* Setting for QVGA */
+ adj = (DEFAULT_PHAD_QVGA << 1) | PHACTRL_PHASE_MANUAL;
+ break;
+ }
+
+ corgi_ssp_lcdtg_send(lcd, PHACTRL_ADRS, adj);
+}
+
+static void corgi_lcd_power_on(struct corgi_lcd *lcd)
+{
+ int comadj;
+
+ /* Initialize Internal Logic & Port */
+ corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS,
+ PICTRL_POWER_DOWN | PICTRL_INIOFF |
+ PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF |
+ PICTRL_DAC_SIGNAL_OFF);
+
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_OFF |
+ POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
+
+ /* VDD(+8V), SVSS(-4V) ON */
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
+ mdelay(3);
+
+ /* DAC ON */
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+ POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+ /* INIB = H, INI = L */
+ /* PICTL[0] = H , PICTL[1] = PICTL[2] = PICTL[4] = L */
+ corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS,
+ PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF);
+
+ /* Set Common Voltage */
+ comadj = sharpsl_param.comadj;
+ if (comadj < 0)
+ comadj = DEFAULT_COMADJ;
+
+ lcdtg_set_common_voltage(lcd, POWER0_DAC_ON | POWER0_COM_OFF |
+ POWER0_VCC5_OFF, comadj);
+
+ /* VCC5 ON, DAC ON */
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+ POWER0_COM_OFF | POWER0_VCC5_ON);
+
+ /* GVSS(-8V) ON, VDD ON */
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
+ mdelay(2);
+
+ /* COM SIGNAL ON (PICTL[3] = L) */
+ corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, PICTRL_INIT_STATE);
+
+ /* COM ON, DAC ON, VCC5_ON */
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+ POWER0_COM_ON | POWER0_VCC5_ON);
+
+ /* VW ON, GVSS ON, VDD ON */
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_ON | POWER1_GVSS_ON | POWER1_VDD_ON);
+
+ /* Signals output enable */
+ corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, 0);
+
+ /* Set Phase Adjust */
+ lcdtg_set_phadadj(lcd, lcd->mode);
+
+ /* Initialize for Input Signals from ATI */
+ corgi_ssp_lcdtg_send(lcd, POLCTRL_ADRS,
+ POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE |
+ POLCTRL_DATA_POL_RISE | POLCTRL_SYNC_ACT_L |
+ POLCTRL_EN_ACT_H);
+ udelay(1000);
+
+ switch (lcd->mode) {
+ case CORGI_LCD_MODE_VGA:
+ corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_VGA);
+ break;
+ case CORGI_LCD_MODE_QVGA:
+ default:
+ corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_QVGA);
+ break;
+ }
+}
+
+static void corgi_lcd_power_off(struct corgi_lcd *lcd)
+{
+ /* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */
+ msleep(34);
+
+ /* (1)VW OFF */
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
+
+ /* (2)COM OFF */
+ corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS, PICTRL_COM_SIGNAL_OFF);
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON);
+
+ /* (3)Set Common Voltage Bias 0V */
+ lcdtg_set_common_voltage(lcd, POWER0_DAC_ON | POWER0_COM_OFF |
+ POWER0_VCC5_ON, 0);
+
+ /* (4)GVSS OFF */
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
+
+ /* (5)VCC5 OFF */
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+ /* (6)Set PDWN, INIOFF, DACOFF */
+ corgi_ssp_lcdtg_send(lcd, PICTRL_ADRS,
+ PICTRL_INIOFF | PICTRL_DAC_SIGNAL_OFF |
+ PICTRL_POWER_DOWN | PICTRL_COM_SIGNAL_OFF);
+
+ /* (7)DAC OFF */
+ corgi_ssp_lcdtg_send(lcd, POWERREG0_ADRS,
+ POWER0_DAC_OFF | POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+ /* (8)VDD OFF */
+ corgi_ssp_lcdtg_send(lcd, POWERREG1_ADRS,
+ POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
+}
+
+static int corgi_lcd_set_mode(struct lcd_device *ld, struct fb_videomode *m)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev);
+ int mode = CORGI_LCD_MODE_QVGA;
+
+ if (m->xres == 640 || m->xres == 480)
+ mode = CORGI_LCD_MODE_VGA;
+
+ if (lcd->mode == mode)
+ return 0;
+
+ lcdtg_set_phadadj(lcd, mode);
+
+ switch (mode) {
+ case CORGI_LCD_MODE_VGA:
+ corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_VGA);
+ break;
+ case CORGI_LCD_MODE_QVGA:
+ default:
+ corgi_ssp_lcdtg_send(lcd, RESCTL_ADRS, RESCTL_QVGA);
+ break;
+ }
+
+ lcd->mode = mode;
+ return 0;
+}
+
+static int corgi_lcd_set_power(struct lcd_device *ld, int power)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev);
+
+ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
+ corgi_lcd_power_on(lcd);
+
+ if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
+ corgi_lcd_power_off(lcd);
+
+ lcd->power = power;
+ return 0;
+}
+
+static int corgi_lcd_get_power(struct lcd_device *ld)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&ld->dev);
+
+ return lcd->power;
+}
+
+static struct lcd_ops corgi_lcd_ops = {
+ .get_power = corgi_lcd_get_power,
+ .set_power = corgi_lcd_set_power,
+ .set_mode = corgi_lcd_set_mode,
+};
+
+static int corgi_bl_get_intensity(struct backlight_device *bd)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&bd->dev);
+
+ return lcd->intensity;
+}
+
+static int corgi_bl_set_intensity(struct corgi_lcd *lcd, int intensity)
+{
+ int cont;
+
+ if (intensity > 0x10)
+ intensity += 0x10;
+
+ corgi_ssp_lcdtg_send(lcd, DUTYCTRL_ADRS, intensity);
+
+ /* Bit 5 via GPIO_BACKLIGHT_CONT */
+ cont = !!(intensity & 0x20) ^ lcd->gpio_backlight_cont_inverted;
+
+ if (gpio_is_valid(lcd->gpio_backlight_cont))
+ gpio_set_value(lcd->gpio_backlight_cont, cont);
+
+ if (gpio_is_valid(lcd->gpio_backlight_on))
+ gpio_set_value(lcd->gpio_backlight_on, intensity);
+
+ if (lcd->kick_battery)
+ lcd->kick_battery();
+
+ lcd->intensity = intensity;
+ return 0;
+}
+
+static int corgi_bl_update_status(struct backlight_device *bd)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&bd->dev);
+ int intensity = bd->props.brightness;
+
+ if (bd->props.power != FB_BLANK_UNBLANK)
+ intensity = 0;
+
+ if (bd->props.fb_blank != FB_BLANK_UNBLANK)
+ intensity = 0;
+
+ if (corgibl_flags & CORGIBL_SUSPENDED)
+ intensity = 0;
+ if (corgibl_flags & CORGIBL_BATTLOW)
+ intensity &= lcd->limit_mask;
+
+ return corgi_bl_set_intensity(lcd, intensity);
+}
+
+void corgibl_limit_intensity(int limit)
+{
+ if (limit)
+ corgibl_flags |= CORGIBL_BATTLOW;
+ else
+ corgibl_flags &= ~CORGIBL_BATTLOW;
+
+ backlight_update_status(the_corgi_lcd->bl_dev);
+}
+EXPORT_SYMBOL(corgibl_limit_intensity);
+
+static struct backlight_ops corgi_bl_ops = {
+ .get_brightness = corgi_bl_get_intensity,
+ .update_status = corgi_bl_update_status,
+};
+
+#ifdef CONFIG_PM
+static int corgi_lcd_suspend(struct spi_device *spi, pm_message_t state)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev);
+
+ corgibl_flags |= CORGIBL_SUSPENDED;
+ corgi_bl_set_intensity(lcd, 0);
+ corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
+ return 0;
+}
+
+static int corgi_lcd_resume(struct spi_device *spi)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev);
+
+ corgibl_flags &= ~CORGIBL_SUSPENDED;
+ corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK);
+ backlight_update_status(lcd->bl_dev);
+ return 0;
+}
+#else
+#define corgi_lcd_suspend NULL
+#define corgi_lcd_resume NULL
+#endif
+
+static int setup_gpio_backlight(struct corgi_lcd *lcd,
+ struct corgi_lcd_platform_data *pdata)
+{
+ struct spi_device *spi = lcd->spi_dev;
+ int err;
+
+ lcd->gpio_backlight_on = -1;
+ lcd->gpio_backlight_cont = -1;
+
+ if (gpio_is_valid(pdata->gpio_backlight_on)) {
+ err = gpio_request(pdata->gpio_backlight_on, "BL_ON");
+ if (err) {
+ dev_err(&spi->dev, "failed to request GPIO%d for "
+ "backlight_on\n", pdata->gpio_backlight_on);
+ return err;
+ }
+
+ lcd->gpio_backlight_on = pdata->gpio_backlight_on;
+ gpio_direction_output(lcd->gpio_backlight_on, 0);
+ }
+
+ if (gpio_is_valid(pdata->gpio_backlight_cont)) {
+ err = gpio_request(pdata->gpio_backlight_cont, "BL_CONT");
+ if (err) {
+ dev_err(&spi->dev, "failed to request GPIO%d for "
+ "backlight_cont\n", pdata->gpio_backlight_cont);
+ goto err_free_backlight_on;
+ }
+
+ lcd->gpio_backlight_cont = pdata->gpio_backlight_cont;
+
+ /* spitz and akita use both GPIOs for backlight, and
+ * have inverted polarity of GPIO_BACKLIGHT_CONT
+ */
+ if (gpio_is_valid(lcd->gpio_backlight_on)) {
+ lcd->gpio_backlight_cont_inverted = 1;
+ gpio_direction_output(lcd->gpio_backlight_cont, 1);
+ } else {
+ lcd->gpio_backlight_cont_inverted = 0;
+ gpio_direction_output(lcd->gpio_backlight_cont, 0);
+ }
+ }
+ return 0;
+
+err_free_backlight_on:
+ if (gpio_is_valid(lcd->gpio_backlight_on))
+ gpio_free(lcd->gpio_backlight_on);
+ return err;
+}
+
+static int __devinit corgi_lcd_probe(struct spi_device *spi)
+{
+ struct corgi_lcd_platform_data *pdata = spi->dev.platform_data;
+ struct corgi_lcd *lcd;
+ int ret = 0;
+
+ if (pdata == NULL) {
+ dev_err(&spi->dev, "platform data not available\n");
+ return -EINVAL;
+ }
+
+ lcd = kzalloc(sizeof(struct corgi_lcd), GFP_KERNEL);
+ if (!lcd) {
+ dev_err(&spi->dev, "failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ lcd->spi_dev = spi;
+
+ lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev,
+ lcd, &corgi_lcd_ops);
+ if (IS_ERR(lcd->lcd_dev)) {
+ ret = PTR_ERR(lcd->lcd_dev);
+ goto err_free_lcd;
+ }
+ lcd->power = FB_BLANK_POWERDOWN;
+ lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA;
+
+ lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev,
+ lcd, &corgi_bl_ops);
+ if (IS_ERR(lcd->bl_dev)) {
+ ret = PTR_ERR(lcd->bl_dev);
+ goto err_unregister_lcd;
+ }
+ lcd->bl_dev->props.max_brightness = pdata->max_intensity;
+ lcd->bl_dev->props.brightness = pdata->default_intensity;
+ lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
+
+ ret = setup_gpio_backlight(lcd, pdata);
+ if (ret)
+ goto err_unregister_bl;
+
+ lcd->kick_battery = pdata->kick_battery;
+
+ dev_set_drvdata(&spi->dev, lcd);
+ corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_UNBLANK);
+ backlight_update_status(lcd->bl_dev);
+
+ lcd->limit_mask = pdata->limit_mask;
+ the_corgi_lcd = lcd;
+ return 0;
+
+err_unregister_bl:
+ backlight_device_unregister(lcd->bl_dev);
+err_unregister_lcd:
+ lcd_device_unregister(lcd->lcd_dev);
+err_free_lcd:
+ kfree(lcd);
+ return ret;
+}
+
+static int __devexit corgi_lcd_remove(struct spi_device *spi)
+{
+ struct corgi_lcd *lcd = dev_get_drvdata(&spi->dev);
+
+ lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
+ lcd->bl_dev->props.brightness = 0;
+ backlight_update_status(lcd->bl_dev);
+ backlight_device_unregister(lcd->bl_dev);
+
+ if (gpio_is_valid(lcd->gpio_backlight_on))
+ gpio_free(lcd->gpio_backlight_on);
+
+ if (gpio_is_valid(lcd->gpio_backlight_cont))
+ gpio_free(lcd->gpio_backlight_cont);
+
+ corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
+ lcd_device_unregister(lcd->lcd_dev);
+ kfree(lcd);
+
+ return 0;
+}
+
+static struct spi_driver corgi_lcd_driver = {
+ .driver = {
+ .name = "corgi-lcd",
+ .owner = THIS_MODULE,
+ },
+ .probe = corgi_lcd_probe,
+ .remove = __devexit_p(corgi_lcd_remove),
+ .suspend = corgi_lcd_suspend,
+ .resume = corgi_lcd_resume,
+};
+
+static int __init corgi_lcd_init(void)
+{
+ return spi_register_driver(&corgi_lcd_driver);
+}
+module_init(corgi_lcd_init);
+
+static void __exit corgi_lcd_exit(void)
+{
+ spi_unregister_driver(&corgi_lcd_driver);
+}
+module_exit(corgi_lcd_exit);
+
+MODULE_DESCRIPTION("LCD and backlight driver for SHARP C7x0/Cxx00");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index b15b2b84a6f..8e1731d3b22 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -27,14 +27,26 @@ static int fb_notifier_callback(struct notifier_block *self,
struct fb_event *evdata = data;
/* If we aren't interested in this event, skip it immediately ... */
- if (event != FB_EVENT_BLANK)
+ switch (event) {
+ case FB_EVENT_BLANK:
+ case FB_EVENT_MODE_CHANGE:
+ case FB_EVENT_MODE_CHANGE_ALL:
+ break;
+ default:
return 0;
+ }
ld = container_of(self, struct lcd_device, fb_notif);
+ if (!ld->ops)
+ return 0;
+
mutex_lock(&ld->ops_lock);
- if (ld->ops)
- if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info))
+ if (!ld->ops->check_fb || ld->ops->check_fb(ld, evdata->info)) {
+ if (event == FB_EVENT_BLANK)
ld->ops->set_power(ld, *(int *)evdata->data);
+ else
+ ld->ops->set_mode(ld, evdata->data);
+ }
mutex_unlock(&ld->ops_lock);
return 0;
}
diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c
new file mode 100644
index 00000000000..8427669162e
--- /dev/null
+++ b/drivers/video/backlight/tdo24m.c
@@ -0,0 +1,396 @@
+/*
+ * tdo24m - SPI-based drivers for Toppoly TDO24M series LCD panels
+ *
+ * Copyright (C) 2008 Marvell International Ltd.
+ * Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * publishhed by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/spi/spi.h>
+#include <linux/fb.h>
+#include <linux/lcd.h>
+
+#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL)
+
+#define TDO24M_SPI_BUFF_SIZE (4)
+#define MODE_QVGA 0
+#define MODE_VGA 1
+
+struct tdo24m {
+ struct spi_device *spi_dev;
+ struct lcd_device *lcd_dev;
+
+ struct spi_message msg;
+ struct spi_transfer xfer;
+ uint8_t *buf;
+
+ int power;
+ int mode;
+};
+
+/* use bit 30, 31 as the indicator of command parameter number */
+#define CMD0(x) ((0 << 30) | (x))
+#define CMD1(x, x1) ((1 << 30) | ((x) << 9) | 0x100 | (x1))
+#define CMD2(x, x1, x2) ((2 << 30) | ((x) << 18) | 0x20000 |\
+ ((x1) << 9) | 0x100 | (x2))
+#define CMD_NULL (-1)
+
+static uint32_t lcd_panel_reset[] = {
+ CMD0(0x1), /* reset */
+ CMD0(0x0), /* nop */
+ CMD0(0x0), /* nop */
+ CMD0(0x0), /* nop */
+ CMD_NULL,
+};
+
+static uint32_t lcd_panel_on[] = {
+ CMD0(0x29), /* Display ON */
+ CMD2(0xB8, 0xFF, 0xF9), /* Output Control */
+ CMD0(0x11), /* Sleep out */
+ CMD1(0xB0, 0x16), /* Wake */
+ CMD_NULL,
+};
+
+static uint32_t lcd_panel_off[] = {
+ CMD0(0x28), /* Display OFF */
+ CMD2(0xB8, 0x80, 0x02), /* Output Control */
+ CMD0(0x10), /* Sleep in */
+ CMD1(0xB0, 0x00), /* Deep stand by in */
+ CMD_NULL,
+};
+
+static uint32_t lcd_vga_pass_through[] = {
+ CMD1(0xB0, 0x16),
+ CMD1(0xBC, 0x80),
+ CMD1(0xE1, 0x00),
+ CMD1(0x36, 0x50),
+ CMD1(0x3B, 0x00),
+ CMD_NULL,
+};
+
+static uint32_t lcd_qvga_pass_through[] = {
+ CMD1(0xB0, 0x16),
+ CMD1(0xBC, 0x81),
+ CMD1(0xE1, 0x00),
+ CMD1(0x36, 0x50),
+ CMD1(0x3B, 0x22),
+ CMD_NULL,
+};
+
+static uint32_t lcd_vga_transfer[] = {
+ CMD1(0xcf, 0x02), /* Blanking period control (1) */
+ CMD2(0xd0, 0x08, 0x04), /* Blanking period control (2) */
+ CMD1(0xd1, 0x01), /* CKV timing control on/off */
+ CMD2(0xd2, 0x14, 0x00), /* CKV 1,2 timing control */
+ CMD2(0xd3, 0x1a, 0x0f), /* OEV timing control */
+ CMD2(0xd4, 0x1f, 0xaf), /* ASW timing control (1) */
+ CMD1(0xd5, 0x14), /* ASW timing control (2) */
+ CMD0(0x21), /* Invert for normally black display */
+ CMD0(0x29), /* Display on */
+ CMD_NULL,
+};
+
+static uint32_t lcd_qvga_transfer[] = {
+ CMD1(0xd6, 0x02), /* Blanking period control (1) */
+ CMD2(0xd7, 0x08, 0x04), /* Blanking period control (2) */
+ CMD1(0xd8, 0x01), /* CKV timing control on/off */
+ CMD2(0xd9, 0x00, 0x08), /* CKV 1,2 timing control */
+ CMD2(0xde, 0x05, 0x0a), /* OEV timing control */
+ CMD2(0xdf, 0x0a, 0x19), /* ASW timing control (1) */
+ CMD1(0xe0, 0x0a), /* ASW timing control (2) */
+ CMD0(0x21), /* Invert for normally black display */
+ CMD0(0x29), /* Display on */
+ CMD_NULL,
+};
+
+static uint32_t lcd_panel_config[] = {
+ CMD2(0xb8, 0xff, 0xf9), /* Output control */
+ CMD0(0x11), /* sleep out */
+ CMD1(0xba, 0x01), /* Display mode (1) */
+ CMD1(0xbb, 0x00), /* Display mode (2) */
+ CMD1(0x3a, 0x60), /* Display mode 18-bit RGB */
+ CMD1(0xbf, 0x10), /* Drive system change control */
+ CMD1(0xb1, 0x56), /* Booster operation setup */
+ CMD1(0xb2, 0x33), /* Booster mode setup */
+ CMD1(0xb3, 0x11), /* Booster frequency setup */
+ CMD1(0xb4, 0x02), /* Op amp/system clock */
+ CMD1(0xb5, 0x35), /* VCS voltage */
+ CMD1(0xb6, 0x40), /* VCOM voltage */
+ CMD1(0xb7, 0x03), /* External display signal */
+ CMD1(0xbd, 0x00), /* ASW slew rate */
+ CMD1(0xbe, 0x00), /* Dummy data for QuadData operation */
+ CMD1(0xc0, 0x11), /* Sleep out FR count (A) */
+ CMD1(0xc1, 0x11), /* Sleep out FR count (B) */
+ CMD1(0xc2, 0x11), /* Sleep out FR count (C) */
+ CMD2(0xc3, 0x20, 0x40), /* Sleep out FR count (D) */
+ CMD2(0xc4, 0x60, 0xc0), /* Sleep out FR count (E) */
+ CMD2(0xc5, 0x10, 0x20), /* Sleep out FR count (F) */
+ CMD1(0xc6, 0xc0), /* Sleep out FR count (G) */
+ CMD2(0xc7, 0x33, 0x43), /* Gamma 1 fine tuning (1) */
+ CMD1(0xc8, 0x44), /* Gamma 1 fine tuning (2) */
+ CMD1(0xc9, 0x33), /* Gamma 1 inclination adjustment */
+ CMD1(0xca, 0x00), /* Gamma 1 blue offset adjustment */
+ CMD2(0xec, 0x01, 0xf0), /* Horizontal clock cycles */
+ CMD_NULL,
+};
+
+static int tdo24m_writes(struct tdo24m *lcd, uint32_t *array)
+{
+ struct spi_transfer *x = &lcd->xfer;
+ uint32_t data, *p = array;
+ int nparams, err = 0;
+
+ for (; *p != CMD_NULL; p++) {
+
+ nparams = (*p >> 30) & 0x3;
+
+ data = *p << (7 - nparams);
+ switch (nparams) {
+ case 0:
+ lcd->buf[0] = (data >> 8) & 0xff;
+ lcd->buf[1] = data & 0xff;
+ break;
+ case 1:
+ lcd->buf[0] = (data >> 16) & 0xff;
+ lcd->buf[1] = (data >> 8) & 0xff;
+ lcd->buf[2] = data & 0xff;
+ break;
+ case 2:
+ lcd->buf[0] = (data >> 24) & 0xff;
+ lcd->buf[1] = (data >> 16) & 0xff;
+ lcd->buf[2] = (data >> 8) & 0xff;
+ lcd->buf[3] = data & 0xff;
+ break;
+ default:
+ continue;
+ }
+ x->len = nparams + 2;
+ err = spi_sync(lcd->spi_dev, &lcd->msg);
+ if (err)
+ break;
+ }
+
+ return err;
+}
+
+static int tdo24m_adj_mode(struct tdo24m *lcd, int mode)
+{
+ switch (mode) {
+ case MODE_VGA:
+ tdo24m_writes(lcd, lcd_vga_pass_through);
+ tdo24m_writes(lcd, lcd_panel_config);
+ tdo24m_writes(lcd, lcd_vga_transfer);
+ break;
+ case MODE_QVGA:
+ tdo24m_writes(lcd, lcd_qvga_pass_through);
+ tdo24m_writes(lcd, lcd_panel_config);
+ tdo24m_writes(lcd, lcd_qvga_transfer);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ lcd->mode = mode;
+ return 0;
+}
+
+static int tdo24m_power_on(struct tdo24m *lcd)
+{
+ int err;
+
+ err = tdo24m_writes(lcd, lcd_panel_on);
+ if (err)
+ goto out;
+
+ err = tdo24m_writes(lcd, lcd_panel_reset);
+ if (err)
+ goto out;
+
+ err = tdo24m_adj_mode(lcd, lcd->mode);
+out:
+ return err;
+}
+
+static int tdo24m_power_off(struct tdo24m *lcd)
+{
+ return tdo24m_writes(lcd, lcd_panel_off);
+}
+
+static int tdo24m_power(struct tdo24m *lcd, int power)
+{
+ int ret = 0;
+
+ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
+ ret = tdo24m_power_on(lcd);
+ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
+ ret = tdo24m_power_off(lcd);
+
+ if (!ret)
+ lcd->power = power;
+
+ return ret;
+}
+
+
+static int tdo24m_set_power(struct lcd_device *ld, int power)
+{
+ struct tdo24m *lcd = lcd_get_data(ld);
+ return tdo24m_power(lcd, power);
+}
+
+static int tdo24m_get_power(struct lcd_device *ld)
+{
+ struct tdo24m *lcd = lcd_get_data(ld);
+ return lcd->power;
+}
+
+static int tdo24m_set_mode(struct lcd_device *ld, struct fb_videomode *m)
+{
+ struct tdo24m *lcd = lcd_get_data(ld);
+ int mode = MODE_QVGA;
+
+ if (m->xres == 640 || m->xres == 480)
+ mode = MODE_VGA;
+
+ if (lcd->mode == mode)
+ return 0;
+
+ return tdo24m_adj_mode(lcd, mode);
+}
+
+static struct lcd_ops tdo24m_ops = {
+ .get_power = tdo24m_get_power,
+ .set_power = tdo24m_set_power,
+ .set_mode = tdo24m_set_mode,
+};
+
+static int __devinit tdo24m_probe(struct spi_device *spi)
+{
+ struct tdo24m *lcd;
+ struct spi_message *m;
+ struct spi_transfer *x;
+ int err;
+
+ spi->bits_per_word = 8;
+ spi->mode = SPI_MODE_3;
+ err = spi_setup(spi);
+ if (err)
+ return err;
+
+ lcd = kzalloc(sizeof(struct tdo24m), GFP_KERNEL);
+ if (!lcd)
+ return -ENOMEM;
+
+ lcd->spi_dev = spi;
+ lcd->power = FB_BLANK_POWERDOWN;
+ lcd->mode = MODE_VGA; /* default to VGA */
+
+ lcd->buf = kmalloc(TDO24M_SPI_BUFF_SIZE, sizeof(GFP_KERNEL));
+ if (lcd->buf == NULL) {
+ kfree(lcd);
+ return -ENOMEM;
+ }
+
+ m = &lcd->msg;
+ x = &lcd->xfer;
+
+ spi_message_init(m);
+
+ x->tx_buf = &lcd->buf[0];
+ spi_message_add_tail(x, m);
+
+ lcd->lcd_dev = lcd_device_register("tdo24m", &spi->dev,
+ lcd, &tdo24m_ops);
+ if (IS_ERR(lcd->lcd_dev)) {
+ err = PTR_ERR(lcd->lcd_dev);
+ goto out_free;
+ }
+
+ dev_set_drvdata(&spi->dev, lcd);
+ err = tdo24m_power(lcd, FB_BLANK_UNBLANK);
+ if (err)
+ goto out_unregister;
+
+ return 0;
+
+out_unregister:
+ lcd_device_unregister(lcd->lcd_dev);
+out_free:
+ kfree(lcd->buf);
+ kfree(lcd);
+ return err;
+}
+
+static int __devexit tdo24m_remove(struct spi_device *spi)
+{
+ struct tdo24m *lcd = dev_get_drvdata(&spi->dev);
+
+ tdo24m_power(lcd, FB_BLANK_POWERDOWN);
+ lcd_device_unregister(lcd->lcd_dev);
+ kfree(lcd->buf);
+ kfree(lcd);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int tdo24m_suspend(struct spi_device *spi, pm_message_t state)
+{
+ struct tdo24m *lcd = dev_get_drvdata(&spi->dev);
+
+ return tdo24m_power(lcd, FB_BLANK_POWERDOWN);
+}
+
+static int tdo24m_resume(struct spi_device *spi)
+{
+ struct tdo24m *lcd = dev_get_drvdata(&spi->dev);
+
+ return tdo24m_power(lcd, FB_BLANK_UNBLANK);
+}
+#else
+#define tdo24m_suspend NULL
+#define tdo24m_resume NULL
+#endif
+
+/* Power down all displays on reboot, poweroff or halt */
+static void tdo24m_shutdown(struct spi_device *spi)
+{
+ struct tdo24m *lcd = dev_get_drvdata(&spi->dev);
+
+ tdo24m_power(lcd, FB_BLANK_POWERDOWN);
+}
+
+static struct spi_driver tdo24m_driver = {
+ .driver = {
+ .name = "tdo24m",
+ .owner = THIS_MODULE,
+ },
+ .probe = tdo24m_probe,
+ .remove = __devexit_p(tdo24m_remove),
+ .shutdown = tdo24m_shutdown,
+ .suspend = tdo24m_suspend,
+ .resume = tdo24m_resume,
+};
+
+static int __init tdo24m_init(void)
+{
+ return spi_register_driver(&tdo24m_driver);
+}
+module_init(tdo24m_init);
+
+static void __exit tdo24m_exit(void)
+{
+ spi_unregister_driver(&tdo24m_driver);
+}
+module_exit(tdo24m_exit);
+
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
+MODULE_DESCRIPTION("Driver for Toppoly TDO24M LCD Panel");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 6d5aa806777..7644ed24956 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -58,7 +58,7 @@
#include <asm/gpio.h>
#include <asm/portmux.h>
-#include <asm/mach/bf54x-lq043.h>
+#include <mach/bf54x-lq043.h>
#define NO_BL_SUPPORT
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index c14b2435d23..e729fb27964 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -628,27 +628,18 @@ static long cirrusfb_get_mclk(long freq, int bpp, long *div)
static int cirrusfb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
- int nom, den; /* translyting from pixels->bytes */
- int yres, i;
- static struct { int xres, yres; } modes[] =
- { { 1600, 1280 },
- { 1280, 1024 },
- { 1024, 768 },
- { 800, 600 },
- { 640, 480 },
- { -1, -1 } };
+ int yres;
+ /* memory size in pixels */
+ unsigned pixels = info->screen_size * 8 / var->bits_per_pixel;
switch (var->bits_per_pixel) {
case 1:
- nom = 4;
- den = 8;
+ pixels /= 4;
break; /* 8 pixel per byte, only 1/4th of mem usable */
case 8:
case 16:
case 24:
case 32:
- nom = var->bits_per_pixel / 8;
- den = 1;
break; /* 1 pixel == 1 byte */
default:
printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..."
@@ -658,43 +649,29 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
}
- if (var->xres * nom / den * var->yres > info->screen_size) {
- printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..."
- "resolution too high to fit into video memory!\n",
- var->xres, var->yres, var->bits_per_pixel);
- DPRINTK("EXIT - EINVAL error\n");
- return -EINVAL;
- }
-
+ if (var->xres_virtual < var->xres)
+ var->xres_virtual = var->xres;
/* use highest possible virtual resolution */
- if (var->xres_virtual == -1 &&
- var->yres_virtual == -1) {
- printk(KERN_INFO
- "cirrusfb: using maximum available virtual resolution\n");
- for (i = 0; modes[i].xres != -1; i++) {
- int size = modes[i].xres * nom / den * modes[i].yres;
- if (size < info->screen_size / 2)
- break;
- }
- if (modes[i].xres == -1) {
- printk(KERN_ERR "cirrusfb: could not find a virtual "
- "resolution that fits into video memory!!\n");
- DPRINTK("EXIT - EINVAL error\n");
- return -EINVAL;
- }
- var->xres_virtual = modes[i].xres;
- var->yres_virtual = modes[i].yres;
+ if (var->yres_virtual == -1) {
+ var->yres_virtual = pixels / var->xres_virtual;
printk(KERN_INFO "cirrusfb: virtual resolution set to "
"maximum of %dx%d\n", var->xres_virtual,
var->yres_virtual);
}
-
- if (var->xres_virtual < var->xres)
- var->xres_virtual = var->xres;
if (var->yres_virtual < var->yres)
var->yres_virtual = var->yres;
+ if (var->xres_virtual * var->yres_virtual > pixels) {
+ printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected... "
+ "virtual resolution too high to fit into video memory!\n",
+ var->xres_virtual, var->yres_virtual,
+ var->bits_per_pixel);
+ DPRINTK("EXIT - EINVAL error\n");
+ return -EINVAL;
+ }
+
+
if (var->xoffset < 0)
var->xoffset = 0;
if (var->yoffset < 0)
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 98843c2ecf7..0737570030f 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -979,6 +979,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
info->flags &= ~FBINFO_MISC_USEREVENT;
event.info = info;
+ event.data = &mode;
fb_notifier_call_chain(evnt, &event);
}
}
diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c
index 77aafcfae03..4599a4385bc 100644
--- a/drivers/video/tdfxfb.c
+++ b/drivers/video/tdfxfb.c
@@ -95,7 +95,6 @@ static inline int mtrr_del(int reg, unsigned long base,
#define VOODOO5_MAX_PIXCLOCK 350000
static struct fb_fix_screeninfo tdfx_fix __devinitdata = {
- .id = "3Dfx",
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_PSEUDOCOLOR,
.ypanstep = 1,
@@ -426,7 +425,7 @@ static unsigned long do_lfb_size(struct tdfx_par *par, unsigned short dev_id)
if (dev_id < PCI_DEVICE_ID_3DFX_VOODOO5) {
/* Banshee/Voodoo3 */
chip_size = 2;
- if (has_sgram && (draminit0 & DRAMINIT0_SGRAM_TYPE))
+ if (has_sgram && !(draminit0 & DRAMINIT0_SGRAM_TYPE))
chip_size = 1;
} else {
/* Voodoo4/5 */
@@ -1200,15 +1199,15 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev,
/* Configure the default fb_fix_screeninfo first */
switch (pdev->device) {
case PCI_DEVICE_ID_3DFX_BANSHEE:
- strcat(tdfx_fix.id, " Banshee");
+ strcpy(tdfx_fix.id, "3Dfx Banshee");
default_par->max_pixclock = BANSHEE_MAX_PIXCLOCK;
break;
case PCI_DEVICE_ID_3DFX_VOODOO3:
- strcat(tdfx_fix.id, " Voodoo3");
+ strcpy(tdfx_fix.id, "3Dfx Voodoo3");
default_par->max_pixclock = VOODOO3_MAX_PIXCLOCK;
break;
case PCI_DEVICE_ID_3DFX_VOODOO5:
- strcat(tdfx_fix.id, " Voodoo5");
+ strcpy(tdfx_fix.id, "3Dfx Voodoo5");
default_par->max_pixclock = VOODOO5_MAX_PIXCLOCK;
break;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 23:56:52 +0000