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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:36:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:36:49 -0800
commit14a3c4ab0e58d143c7928c9eb2f2610205e13bf2 (patch)
tree885992999d7a1a2fd3586efcf32ebcbcbc3a72aa /drivers
parent1af237a099a3b8ff56aa384f605c6a68af7bf288 (diff)
parent47992cbdaef2f18a47871b2ed01ad27f568c8b73 (diff)
downloadblackbird-op-linux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.tar.gz
blackbird-op-linux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.zip
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits) [ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices [ARM] pxafb: cleanup of the timing checking code [ARM] pxafb: cleanup of the color format manipulation code [ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3 [ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching [ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset [ARM] pxafb: allow video memory size to be configurable [ARM] pxa: add document on the MFP design and how to use it [ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant [ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant [ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad) [ARM] pxa: Update eseries defconfig [ARM] 5352/1: add w90p910-plat config file [ARM] s3c: S3C options should depend on PLAT_S3C [ARM] mv78xx0: implement GPIO and GPIO interrupt support [ARM] Kirkwood: implement GPIO and GPIO interrupt support [ARM] Orion: share GPIO IRQ handling code [ARM] Orion: share GPIO handling code [ARM] s3c: define __io using the typesafe version [ARM] S3C64XX: Ensure CPU_V6 is selected ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/ds1620.c25
-rw-r--r--drivers/char/nwflash.c8
-rw-r--r--drivers/i2c/busses/i2c-pxa.c2
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c4
-rw-r--r--drivers/ide/Kconfig2
-rw-r--r--drivers/ide/ide_arm.c11
-rw-r--r--drivers/input/keyboard/omap-keypad.c8
-rw-r--r--drivers/input/keyboard/pxa27x_keypad.c2
-rw-r--r--drivers/input/serio/Kconfig2
-rw-r--r--drivers/input/touchscreen/mainstone-wm97xx.c2
-rw-r--r--drivers/media/video/pxa_camera.c4
-rw-r--r--drivers/media/video/pxa_camera.h95
-rw-r--r--drivers/mfd/asic3.c6
-rw-r--r--drivers/mfd/mcp-core.c2
-rw-r--r--drivers/mfd/mcp-sa11x0.c2
-rw-r--r--drivers/mfd/ucb1x00-assabet.c2
-rw-r--r--drivers/mfd/ucb1x00-core.c2
-rw-r--r--drivers/mfd/ucb1x00-ts.c2
-rw-r--r--drivers/mmc/host/imxmmc.c459
-rw-r--r--drivers/mmc/host/imxmmc.h37
-rw-r--r--drivers/mmc/host/mmci.c2
-rw-r--r--drivers/mmc/host/omap.c7
-rw-r--r--drivers/mmc/host/pxamci.c7
-rw-r--r--drivers/mmc/host/s3cmci.c2
-rw-r--r--drivers/mtd/maps/dc21285.c7
-rw-r--r--drivers/mtd/maps/ixp2000.c2
-rw-r--r--drivers/mtd/maps/ixp4xx.c2
-rw-r--r--drivers/mtd/nand/Kconfig2
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c4
-rw-r--r--drivers/mtd/nand/s3c2410.c8
-rw-r--r--drivers/mtd/onenand/omap2.c10
-rw-r--r--drivers/net/cs89x0.c6
-rw-r--r--drivers/net/irda/pxaficp_ir.c46
-rw-r--r--drivers/net/irda/sa1100_ir.c2
-rw-r--r--drivers/net/smc911x.h3
-rw-r--r--drivers/net/smc91x.h3
-rw-r--r--drivers/pcmcia/Kconfig2
-rw-r--r--drivers/pcmcia/Makefile1
-rw-r--r--drivers/pcmcia/pxa2xx_e740.c176
-rw-r--r--drivers/rtc/rtc-at91sam9.c1
-rw-r--r--drivers/rtc/rtc-s3c.c2
-rw-r--r--drivers/rtc/rtc-sa1100.c12
-rw-r--r--drivers/serial/Kconfig25
-rw-r--r--drivers/serial/Makefile2
-rw-r--r--drivers/serial/amba-pl010.c2
-rw-r--r--drivers/serial/amba-pl011.c2
-rw-r--r--drivers/serial/imx.c8
-rw-r--r--drivers/serial/pxa.c3
-rw-r--r--drivers/serial/s3c24a0.c118
-rw-r--r--drivers/serial/s3c6400.c151
-rw-r--r--drivers/serial/samsung.c184
-rw-r--r--drivers/serial/samsung.h9
-rw-r--r--drivers/serial/serial_lh7a40x.c3
-rw-r--r--drivers/spi/pxa2xx_spi.c2
-rw-r--r--drivers/spi/spi_s3c24xx.c2
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c2
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c2
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c4
-rw-r--r--drivers/usb/host/ehci-orion.c17
-rw-r--r--drivers/usb/host/ohci-omap.c8
-rw-r--r--drivers/usb/host/ohci-pxa27x.c2
-rw-r--r--drivers/video/Kconfig7
-rw-r--r--drivers/video/amba-clcd.c4
-rw-r--r--drivers/video/imxfb.c468
-rw-r--r--drivers/video/imxfb.h73
-rw-r--r--drivers/video/pxafb.c981
-rw-r--r--drivers/video/pxafb.h82
-rw-r--r--drivers/video/sa1100fb.c2
-rw-r--r--drivers/watchdog/s3c2410_wdt.c2
-rw-r--r--drivers/watchdog/sa1100_wdt.c12
70 files changed, 2145 insertions, 1016 deletions
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 74e9cd81b5b2..61f0146e215d 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -43,52 +43,51 @@ static const char *fan_state[] = { "off", "on", "on (hardwired)" };
* chance that the WaveArtist driver could touch these bits to
* enable or disable the speaker.
*/
-extern spinlock_t gpio_lock;
extern unsigned int system_rev;
static inline void netwinder_ds1620_set_clk(int clk)
{
- gpio_modify_op(GPIO_DSCLK, clk ? GPIO_DSCLK : 0);
+ nw_gpio_modify_op(GPIO_DSCLK, clk ? GPIO_DSCLK : 0);
}
static inline void netwinder_ds1620_set_data(int dat)
{
- gpio_modify_op(GPIO_DATA, dat ? GPIO_DATA : 0);
+ nw_gpio_modify_op(GPIO_DATA, dat ? GPIO_DATA : 0);
}
static inline int netwinder_ds1620_get_data(void)
{
- return gpio_read() & GPIO_DATA;
+ return nw_gpio_read() & GPIO_DATA;
}
static inline void netwinder_ds1620_set_data_dir(int dir)
{
- gpio_modify_io(GPIO_DATA, dir ? GPIO_DATA : 0);
+ nw_gpio_modify_io(GPIO_DATA, dir ? GPIO_DATA : 0);
}
static inline void netwinder_ds1620_reset(void)
{
- cpld_modify(CPLD_DS_ENABLE, 0);
- cpld_modify(CPLD_DS_ENABLE, CPLD_DS_ENABLE);
+ nw_cpld_modify(CPLD_DS_ENABLE, 0);
+ nw_cpld_modify(CPLD_DS_ENABLE, CPLD_DS_ENABLE);
}
static inline void netwinder_lock(unsigned long *flags)
{
- spin_lock_irqsave(&gpio_lock, *flags);
+ spin_lock_irqsave(&nw_gpio_lock, *flags);
}
static inline void netwinder_unlock(unsigned long *flags)
{
- spin_unlock_irqrestore(&gpio_lock, *flags);
+ spin_unlock_irqrestore(&nw_gpio_lock, *flags);
}
static inline void netwinder_set_fan(int i)
{
unsigned long flags;
- spin_lock_irqsave(&gpio_lock, flags);
- gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
}
static inline int netwinder_get_fan(void)
@@ -96,7 +95,7 @@ static inline int netwinder_get_fan(void)
if ((system_rev & 0xf000) == 0x4000)
return FAN_ALWAYS_ON;
- return (gpio_read() & GPIO_FAN) ? FAN_ON : FAN_OFF;
+ return (nw_gpio_read() & GPIO_FAN) ? FAN_ON : FAN_OFF;
}
/*
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index 006be92ee3f3..8c7df5ba088f 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -58,8 +58,6 @@ static volatile unsigned char *FLASH_BASE;
static int gbFlashSize = KFLASH_SIZE;
static DEFINE_MUTEX(nwflash_mutex);
-extern spinlock_t gpio_lock;
-
static int get_flash_id(void)
{
volatile unsigned int c1, c2;
@@ -616,9 +614,9 @@ static void kick_open(void)
* we want to write a bit pattern XXX1 to Xilinx to enable
* the write gate, which will be open for about the next 2ms.
*/
- spin_lock_irqsave(&gpio_lock, flags);
- cpld_modify(1, 1);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
/*
* let the ISA bus to catch on...
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 906f9b9d715d..587f5b2380d4 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1016,7 +1016,7 @@ static int i2c_pxa_probe(struct platform_device *dev)
snprintf(i2c->adap.name, sizeof(i2c->adap.name), "pxa_i2c-i2c.%u",
i2c->adap.nr);
- i2c->clk = clk_get(&dev->dev, "I2CCLK");
+ i2c->clk = clk_get(&dev->dev, NULL);
if (IS_ERR(i2c->clk)) {
ret = PTR_ERR(i2c->clk);
goto eclk;
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index b7434d24904e..c39079f9c73f 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -40,8 +40,8 @@
#include <asm/io.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c/regs-iic.h>
-#include <asm/plat-s3c/iic.h>
+#include <plat/regs-iic.h>
+#include <plat/iic.h>
/* i2c controller state */
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 7a0a84b042c9..c9f21e3d4ead 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -727,7 +727,7 @@ config BLK_DEV_IDE_TX4939
config IDE_ARM
tristate "ARM IDE support"
- depends on ARM && (ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK)
+ depends on ARM && (ARCH_RPC || ARCH_SHARK)
default y
config BLK_DEV_IDE_ICSIDE
diff --git a/drivers/ide/ide_arm.c b/drivers/ide/ide_arm.c
index f728f2927b5a..bdcac94d7c1f 100644
--- a/drivers/ide/ide_arm.c
+++ b/drivers/ide/ide_arm.c
@@ -15,15 +15,8 @@
#define DRV_NAME "ide_arm"
-#ifdef CONFIG_ARCH_CLPS7500
-# include <mach/hardware.h>
-#
-# define IDE_ARM_IO (ISASLOT_IO + 0x1f0)
-# define IDE_ARM_IRQ IRQ_ISA_14
-#else
-# define IDE_ARM_IO 0x1f0
-# define IDE_ARM_IRQ IRQ_HARDDISK
-#endif
+#define IDE_ARM_IO 0x1f0
+#define IDE_ARM_IRQ IRQ_HARDDISK
static int __init ide_arm_init(void)
{
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 69e674ecf19a..db22fd9b4cf2 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -101,7 +101,7 @@ static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
if (cpu_is_omap24xx()) {
int i;
for (i = 0; i < omap_kp->rows; i++)
- disable_irq(OMAP_GPIO_IRQ(row_gpios[i]));
+ disable_irq(gpio_to_irq(row_gpios[i]));
} else
/* disable keyboard interrupt and schedule for handling */
omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
@@ -224,7 +224,7 @@ static void omap_kp_tasklet(unsigned long data)
if (cpu_is_omap24xx()) {
int i;
for (i = 0; i < omap_kp_data->rows; i++)
- enable_irq(OMAP_GPIO_IRQ(row_gpios[i]));
+ enable_irq(gpio_to_irq(row_gpios[i]));
} else {
omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
kp_cur_group = -1;
@@ -397,7 +397,7 @@ static int __init omap_kp_probe(struct platform_device *pdev)
omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
} else {
for (irq_idx = 0; irq_idx < omap_kp->rows; irq_idx++) {
- if (request_irq(OMAP_GPIO_IRQ(row_gpios[irq_idx]),
+ if (request_irq(gpio_to_irq(row_gpios[irq_idx]),
omap_kp_interrupt,
IRQF_TRIGGER_FALLING,
"omap-keypad", omap_kp) < 0)
@@ -438,7 +438,7 @@ static int omap_kp_remove(struct platform_device *pdev)
gpio_free(col_gpios[i]);
for (i = 0; i < omap_kp->rows; i++) {
gpio_free(row_gpios[i]);
- free_irq(OMAP_GPIO_IRQ(row_gpios[i]), 0);
+ free_irq(gpio_to_irq(row_gpios[i]), 0);
}
} else {
omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 6d30c6d334c3..0d2fc64a5e1c 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -475,7 +475,7 @@ static int __devinit pxa27x_keypad_probe(struct platform_device *pdev)
goto failed_free_mem;
}
- keypad->clk = clk_get(&pdev->dev, "KBDCLK");
+ keypad->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(keypad->clk)) {
dev_err(&pdev->dev, "failed to get keypad clock\n");
error = PTR_ERR(keypad->clk);
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 27d70d326ff3..da3c3a5d2689 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -79,7 +79,7 @@ config SERIO_PARKBD
config SERIO_RPCKBD
tristate "Acorn RiscPC keyboard controller"
- depends on ARCH_ACORN || ARCH_CLPS7500
+ depends on ARCH_ACORN
default y
help
Say Y here if you have the Acorn RiscPC and want to use an AT
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index ba648750a8d9..1d11e2be9ef8 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -31,7 +31,7 @@
#include <linux/interrupt.h>
#include <linux/wm97xx.h>
#include <linux/io.h>
-#include <mach/pxa-regs.h>
+#include <mach/regs-ac97.h>
#define VERSION "0.13"
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index eb6be5802928..70a77625107d 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -39,6 +39,8 @@
#include <mach/pxa-regs.h>
#include <mach/camera.h>
+#include "pxa_camera.h"
+
#define PXA_CAM_VERSION_CODE KERNEL_VERSION(0, 0, 5)
#define PXA_CAM_DRV_NAME "pxa27x-camera"
@@ -1071,7 +1073,7 @@ static int pxa_camera_probe(struct platform_device *pdev)
goto exit;
}
- pcdev->clk = clk_get(&pdev->dev, "CAMCLK");
+ pcdev->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(pcdev->clk)) {
err = PTR_ERR(pcdev->clk);
goto exit_kfree;
diff --git a/drivers/media/video/pxa_camera.h b/drivers/media/video/pxa_camera.h
new file mode 100644
index 000000000000..89cbfc9a35c5
--- /dev/null
+++ b/drivers/media/video/pxa_camera.h
@@ -0,0 +1,95 @@
+/* Camera Interface */
+#define CICR0 __REG(0x50000000)
+#define CICR1 __REG(0x50000004)
+#define CICR2 __REG(0x50000008)
+#define CICR3 __REG(0x5000000C)
+#define CICR4 __REG(0x50000010)
+#define CISR __REG(0x50000014)
+#define CIFR __REG(0x50000018)
+#define CITOR __REG(0x5000001C)
+#define CIBR0 __REG(0x50000028)
+#define CIBR1 __REG(0x50000030)
+#define CIBR2 __REG(0x50000038)
+
+#define CICR0_DMAEN (1 << 31) /* DMA request enable */
+#define CICR0_PAR_EN (1 << 30) /* Parity enable */
+#define CICR0_SL_CAP_EN (1 << 29) /* Capture enable for slave mode */
+#define CICR0_ENB (1 << 28) /* Camera interface enable */
+#define CICR0_DIS (1 << 27) /* Camera interface disable */
+#define CICR0_SIM (0x7 << 24) /* Sensor interface mode mask */
+#define CICR0_TOM (1 << 9) /* Time-out mask */
+#define CICR0_RDAVM (1 << 8) /* Receive-data-available mask */
+#define CICR0_FEM (1 << 7) /* FIFO-empty mask */
+#define CICR0_EOLM (1 << 6) /* End-of-line mask */
+#define CICR0_PERRM (1 << 5) /* Parity-error mask */
+#define CICR0_QDM (1 << 4) /* Quick-disable mask */
+#define CICR0_CDM (1 << 3) /* Disable-done mask */
+#define CICR0_SOFM (1 << 2) /* Start-of-frame mask */
+#define CICR0_EOFM (1 << 1) /* End-of-frame mask */
+#define CICR0_FOM (1 << 0) /* FIFO-overrun mask */
+
+#define CICR1_TBIT (1 << 31) /* Transparency bit */
+#define CICR1_RGBT_CONV (0x3 << 29) /* RGBT conversion mask */
+#define CICR1_PPL (0x7ff << 15) /* Pixels per line mask */
+#define CICR1_RGB_CONV (0x7 << 12) /* RGB conversion mask */
+#define CICR1_RGB_F (1 << 11) /* RGB format */
+#define CICR1_YCBCR_F (1 << 10) /* YCbCr format */
+#define CICR1_RGB_BPP (0x7 << 7) /* RGB bis per pixel mask */
+#define CICR1_RAW_BPP (0x3 << 5) /* Raw bis per pixel mask */
+#define CICR1_COLOR_SP (0x3 << 3) /* Color space mask */
+#define CICR1_DW (0x7 << 0) /* Data width mask */
+
+#define CICR2_BLW (0xff << 24) /* Beginning-of-line pixel clock
+ wait count mask */
+#define CICR2_ELW (0xff << 16) /* End-of-line pixel clock
+ wait count mask */
+#define CICR2_HSW (0x3f << 10) /* Horizontal sync pulse width mask */
+#define CICR2_BFPW (0x3f << 3) /* Beginning-of-frame pixel clock
+ wait count mask */
+#define CICR2_FSW (0x7 << 0) /* Frame stabilization
+ wait count mask */
+
+#define CICR3_BFW (0xff << 24) /* Beginning-of-frame line clock
+ wait count mask */
+#define CICR3_EFW (0xff << 16) /* End-of-frame line clock
+ wait count mask */
+#define CICR3_VSW (0x3f << 10) /* Vertical sync pulse width mask */
+#define CICR3_BFPW (0x3f << 3) /* Beginning-of-frame pixel clock
+ wait count mask */
+#define CICR3_LPF (0x7ff << 0) /* Lines per frame mask */
+
+#define CICR4_MCLK_DLY (0x3 << 24) /* MCLK Data Capture Delay mask */
+#define CICR4_PCLK_EN (1 << 23) /* Pixel clock enable */
+#define CICR4_PCP (1 << 22) /* Pixel clock polarity */
+#define CICR4_HSP (1 << 21) /* Horizontal sync polarity */
+#define CICR4_VSP (1 << 20) /* Vertical sync polarity */
+#define CICR4_MCLK_EN (1 << 19) /* MCLK enable */
+#define CICR4_FR_RATE (0x7 << 8) /* Frame rate mask */
+#define CICR4_DIV (0xff << 0) /* Clock divisor mask */
+
+#define CISR_FTO (1 << 15) /* FIFO time-out */
+#define CISR_RDAV_2 (1 << 14) /* Channel 2 receive data available */
+#define CISR_RDAV_1 (1 << 13) /* Channel 1 receive data available */
+#define CISR_RDAV_0 (1 << 12) /* Channel 0 receive data available */
+#define CISR_FEMPTY_2 (1 << 11) /* Channel 2 FIFO empty */
+#define CISR_FEMPTY_1 (1 << 10) /* Channel 1 FIFO empty */
+#define CISR_FEMPTY_0 (1 << 9) /* Channel 0 FIFO empty */
+#define CISR_EOL (1 << 8) /* End of line */
+#define CISR_PAR_ERR (1 << 7) /* Parity error */
+#define CISR_CQD (1 << 6) /* Camera interface quick disable */
+#define CISR_CDD (1 << 5) /* Camera interface disable done */
+#define CISR_SOF (1 << 4) /* Start of frame */
+#define CISR_EOF (1 << 3) /* End of frame */
+#define CISR_IFO_2 (1 << 2) /* FIFO overrun for Channel 2 */
+#define CISR_IFO_1 (1 << 1) /* FIFO overrun for Channel 1 */
+#define CISR_IFO_0 (1 << 0) /* FIFO overrun for Channel 0 */
+
+#define CIFR_FLVL2 (0x7f << 23) /* FIFO 2 level mask */
+#define CIFR_FLVL1 (0x7f << 16) /* FIFO 1 level mask */
+#define CIFR_FLVL0 (0xff << 8) /* FIFO 0 level mask */
+#define CIFR_THL_0 (0x3 << 4) /* Threshold Level for Channel 0 FIFO */
+#define CIFR_RESET_F (1 << 3) /* Reset input FIFOs */
+#define CIFR_FEN2 (1 << 2) /* FIFO enable for channel 2 */
+#define CIFR_FEN1 (1 << 1) /* FIFO enable for channel 1 */
+#define CIFR_FEN0 (1 << 0) /* FIFO enable for channel 0 */
+
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index e4c0db4dc7b1..9e485459f63b 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -474,9 +474,9 @@ static __init int asic3_gpio_probe(struct platform_device *pdev,
u16 dir_reg[ASIC3_NUM_GPIO_BANKS];
int i;
- memzero(alt_reg, ASIC3_NUM_GPIO_BANKS * sizeof(u16));
- memzero(out_reg, ASIC3_NUM_GPIO_BANKS * sizeof(u16));
- memzero(dir_reg, ASIC3_NUM_GPIO_BANKS * sizeof(u16));
+ memset(alt_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16));
+ memset(out_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16));
+ memset(dir_reg, 0, ASIC3_NUM_GPIO_BANKS * sizeof(u16));
/* Enable all GPIOs */
asic3_write_register(asic, ASIC3_GPIO_OFFSET(A, MASK), 0xffff);
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index b4ed57e02729..6063dc2b52e8 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -18,7 +18,7 @@
#include <linux/slab.h>
#include <linux/string.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <asm/system.h>
#include "mcp.h"
diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 28380b20bc70..62b32dabf629 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -20,7 +20,7 @@
#include <linux/slab.h>
#include <linux/platform_device.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/system.h>
diff --git a/drivers/mfd/ucb1x00-assabet.c b/drivers/mfd/ucb1x00-assabet.c
index 61aeaf79640d..86fed4870f93 100644
--- a/drivers/mfd/ucb1x00-assabet.c
+++ b/drivers/mfd/ucb1x00-assabet.c
@@ -15,7 +15,7 @@
#include <linux/proc_fs.h>
#include <linux/device.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include "ucb1x00.h"
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index a316f1b75933..6860c924f364 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -25,7 +25,7 @@
#include <linux/device.h>
#include <linux/mutex.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/hardware.h>
#include "ucb1x00.h"
diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c
index 44762ca86a8d..61b7d3eb9a2f 100644
--- a/drivers/mfd/ucb1x00-ts.c
+++ b/drivers/mfd/ucb1x00-ts.c
@@ -31,7 +31,7 @@
#include <linux/slab.h>
#include <linux/kthread.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/collie.h>
#include <asm/mach-types.h>
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index 2f0fcdb869b7..eb29b1d933ac 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -10,20 +10,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
- * 2005-04-17 Pavel Pisa <pisa@cmp.felk.cvut.cz>
- * Changed to conform redesigned i.MX scatter gather DMA interface
- *
- * 2005-11-04 Pavel Pisa <pisa@cmp.felk.cvut.cz>
- * Updated for 2.6.14 kernel
- *
- * 2005-12-13 Jay Monkman <jtm@smoothsmoothie.com>
- * Found and corrected problems in the write path
- *
- * 2005-12-30 Pavel Pisa <pisa@cmp.felk.cvut.cz>
- * The event handling rewritten right way in softirq.
- * Added many ugly hacks and delays to overcome SDHC
- * deficiencies
- *
*/
#include <linux/module.h>
@@ -37,9 +23,9 @@
#include <linux/mmc/card.h>
#include <linux/delay.h>
#include <linux/clk.h>
+#include <linux/io.h>
#include <asm/dma.h>
-#include <asm/io.h>
#include <asm/irq.h>
#include <asm/sizes.h>
#include <mach/mmc.h>
@@ -50,17 +36,16 @@
#define DRIVER_NAME "imx-mmc"
#define IMXMCI_INT_MASK_DEFAULT (INT_MASK_BUF_READY | INT_MASK_DATA_TRAN | \
- INT_MASK_WRITE_OP_DONE | INT_MASK_END_CMD_RES | \
- INT_MASK_AUTO_CARD_DETECT | INT_MASK_DAT0_EN | INT_MASK_SDIO)
+ INT_MASK_WRITE_OP_DONE | INT_MASK_END_CMD_RES | \
+ INT_MASK_AUTO_CARD_DETECT | INT_MASK_DAT0_EN | INT_MASK_SDIO)
struct imxmci_host {
struct mmc_host *mmc;
spinlock_t lock;
struct resource *res;
+ void __iomem *base;
int irq;
imx_dmach_t dma;
- unsigned int clkrt;
- unsigned int cmdat;
volatile unsigned int imask;
unsigned int power_mode;
unsigned int present;
@@ -74,7 +59,7 @@ struct imxmci_host {
struct tasklet_struct tasklet;
unsigned int status_reg;
unsigned long pending_events;
- /* Next to fields are there for CPU driven transfers to overcome SDHC deficiencies */
+ /* Next two fields are there for CPU driven transfers to overcome SDHC deficiencies */
u16 *data_ptr;
unsigned int data_cnt;
atomic_t stuck_timeout;
@@ -114,14 +99,22 @@ struct imxmci_host {
static void imxmci_stop_clock(struct imxmci_host *host)
{
int i = 0;
- MMC_STR_STP_CLK &= ~STR_STP_CLK_START_CLK;
- while(i < 0x1000) {
- if(!(i & 0x7f))
- MMC_STR_STP_CLK |= STR_STP_CLK_STOP_CLK;
+ u16 reg;
+
+ reg = readw(host->base + MMC_REG_STR_STP_CLK);
+ writew(reg & ~STR_STP_CLK_START_CLK, host->base + MMC_REG_STR_STP_CLK);
+ while (i < 0x1000) {
+ if (!(i & 0x7f)) {
+ reg = readw(host->base + MMC_REG_STR_STP_CLK);
+ writew(reg | STR_STP_CLK_STOP_CLK,
+ host->base + MMC_REG_STR_STP_CLK);
+ }
- if(!(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)) {
+ reg = readw(host->base + MMC_REG_STATUS);
+ if (!(reg & STATUS_CARD_BUS_CLK_RUN)) {
/* Check twice before cut */
- if(!(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN))
+ reg = readw(host->base + MMC_REG_STATUS);
+ if (!(reg & STATUS_CARD_BUS_CLK_RUN))
return;
}
@@ -135,8 +128,10 @@ static int imxmci_start_clock(struct imxmci_host *host)
unsigned int trials = 0;
unsigned int delay_limit = 128;
unsigned long flags;
+ u16 reg;
- MMC_STR_STP_CLK &= ~STR_STP_CLK_STOP_CLK;
+ reg = readw(host->base + MMC_REG_STR_STP_CLK);
+ writew(reg & ~STR_STP_CLK_STOP_CLK, host->base + MMC_REG_STR_STP_CLK);
clear_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
@@ -145,18 +140,21 @@ static int imxmci_start_clock(struct imxmci_host *host)
* then 6 delay loops, but during card detection (low clockrate)
* it takes up to 5000 delay loops and sometimes fails for the first time
*/
- MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+ reg = readw(host->base + MMC_REG_STR_STP_CLK);
+ writew(reg | STR_STP_CLK_START_CLK, host->base + MMC_REG_STR_STP_CLK);
do {
unsigned int delay = delay_limit;
- while(delay--){
- if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
+ while (delay--) {
+ reg = readw(host->base + MMC_REG_STATUS);
+ if (reg & STATUS_CARD_BUS_CLK_RUN)
/* Check twice before cut */
- if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
+ reg = readw(host->base + MMC_REG_STATUS);
+ if (reg & STATUS_CARD_BUS_CLK_RUN)
return 0;
- if(test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+ if (test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
return 0;
}
@@ -167,58 +165,59 @@ static int imxmci_start_clock(struct imxmci_host *host)
* IRQ or schedule delays this function execution and the clocks has
* been already stopped by other means (response processing, SDHC HW)
*/
- if(!test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
- MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+ if (!test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events)) {
+ reg = readw(host->base + MMC_REG_STR_STP_CLK);
+ writew(reg | STR_STP_CLK_START_CLK,
+ host->base + MMC_REG_STR_STP_CLK);
+ }
local_irq_restore(flags);
- } while(++trials<256);
+ } while (++trials < 256);
dev_err(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
return -1;
}
-static void imxmci_softreset(void)
+static void imxmci_softreset(struct imxmci_host *host)
{
+ int i;
+
/* reset sequence */
- MMC_STR_STP_CLK = 0x8;
- MMC_STR_STP_CLK = 0xD;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
- MMC_STR_STP_CLK = 0x5;
-
- MMC_RES_TO = 0xff;
- MMC_BLK_LEN = 512;
- MMC_NOB = 1;
+ writew(0x08, host->base + MMC_REG_STR_STP_CLK);
+ writew(0x0D, host->base + MMC_REG_STR_STP_CLK);
+
+ for (i = 0; i < 8; i++)
+ writew(0x05, host->base + MMC_REG_STR_STP_CLK);
+
+ writew(0xff, host->base + MMC_REG_RES_TO);
+ writew(512, host->base + MMC_REG_BLK_LEN);
+ writew(1, host->base + MMC_REG_NOB);
}
static int imxmci_busy_wait_for_status(struct imxmci_host *host,
- unsigned int *pstat, unsigned int stat_mask,
- int timeout, const char *where)
+ unsigned int *pstat, unsigned int stat_mask,
+ int timeout, const char *where)
{
- int loops=0;
- while(!(*pstat & stat_mask)) {
- loops+=2;
- if(loops >= timeout) {
+ int loops = 0;
+
+ while (!(*pstat & stat_mask)) {
+ loops += 2;
+ if (loops >= timeout) {
dev_dbg(mmc_dev(host->mmc), "busy wait timeout in %s, STATUS = 0x%x (0x%x)\n",
where, *pstat, stat_mask);
return -1;
}
udelay(2);
- *pstat |= MMC_STATUS;
+ *pstat |= readw(host->base + MMC_REG_STATUS);
}
- if(!loops)
+ if (!loops)
return 0;
/* The busy-wait is expected there for clock <8MHz due to SDHC hardware flaws */
- if(!(stat_mask & STATUS_END_CMD_RESP) || (host->mmc->ios.clock>=8000000))
+ if (!(stat_mask & STATUS_END_CMD_RESP) || (host->mmc->ios.clock >= 8000000))
dev_info(mmc_dev(host->mmc), "busy wait for %d usec in %s, STATUS = 0x%x (0x%x)\n",
- loops, where, *pstat, stat_mask);
+ loops, where, *pstat, stat_mask);
return loops;
}
@@ -235,8 +234,8 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
host->data = data;
data->bytes_xfered = 0;
- MMC_NOB = nob;
- MMC_BLK_LEN = blksz;
+ writew(nob, host->base + MMC_REG_NOB);
+ writew(blksz, host->base + MMC_REG_BLK_LEN);
/*
* DMA cannot be used for small block sizes, we have to use CPU driven transfers otherwise.
@@ -252,14 +251,14 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
host->dma_dir = DMA_FROM_DEVICE;
/* Hack to enable read SCR */
- MMC_NOB = 1;
- MMC_BLK_LEN = 512;
+ writew(1, host->base + MMC_REG_NOB);
+ writew(512, host->base + MMC_REG_BLK_LEN);
} else {
host->dma_dir = DMA_TO_DEVICE;
}
/* Convert back to virtual address */
- host->data_ptr = (u16*)sg_virt(data->sg);
+ host->data_ptr = (u16 *)sg_virt(data->sg);
host->data_cnt = 0;
clear_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events);
@@ -271,10 +270,11 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
if (data->flags & MMC_DATA_READ) {
host->dma_dir = DMA_FROM_DEVICE;
host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
- data->sg_len, host->dma_dir);
+ data->sg_len, host->dma_dir);
imx_dma_setup_sg(host->dma, data->sg, data->sg_len, datasz,
- host->res->start + MMC_BUFFER_ACCESS_OFS, DMA_MODE_READ);
+ host->res->start + MMC_REG_BUFFER_ACCESS,
+ DMA_MODE_READ);
/*imx_dma_setup_mem2dev_ccr(host->dma, DMA_MODE_READ, IMX_DMA_WIDTH_16, CCR_REN);*/
CCR(host->dma) = CCR_DMOD_LINEAR | CCR_DSIZ_32 | CCR_SMOD_FIFO | CCR_SSIZ_16 | CCR_REN;
@@ -282,10 +282,11 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
host->dma_dir = DMA_TO_DEVICE;
host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg,
- data->sg_len, host->dma_dir);
+ data->sg_len, host->dma_dir);
imx_dma_setup_sg(host->dma, data->sg, data->sg_len, datasz,
- host->res->start + MMC_BUFFER_ACCESS_OFS, DMA_MODE_WRITE);
+ host->res->start + MMC_REG_BUFFER_ACCESS,
+ DMA_MODE_WRITE);
/*imx_dma_setup_mem2dev_ccr(host->dma, DMA_MODE_WRITE, IMX_DMA_WIDTH_16, CCR_REN);*/
CCR(host->dma) = CCR_SMOD_LINEAR | CCR_SSIZ_32 | CCR_DMOD_FIFO | CCR_DSIZ_16 | CCR_REN;
@@ -293,12 +294,12 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
#if 1 /* This code is there only for consistency checking and can be disabled in future */
host->dma_size = 0;
- for(i=0; i<host->dma_nents; i++)
- host->dma_size+=data->sg[i].length;
+ for (i = 0; i < host->dma_nents; i++)
+ host->dma_size += data->sg[i].length;
if (datasz > host->dma_size) {
dev_err(mmc_dev(host->mmc), "imxmci_setup_data datasz 0x%x > 0x%x dm_size\n",
- datasz, host->dma_size);
+ datasz, host->dma_size);
}
#endif
@@ -306,7 +307,7 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
wmb();
- if(host->actual_bus_width == MMC_BUS_WIDTH_4)
+ if (host->actual_bus_width == MMC_BUS_WIDTH_4)
BLR(host->dma) = 0; /* burst 64 byte read / 64 bytes write */
else
BLR(host->dma) = 16; /* burst 16 byte read / 16 bytes write */
@@ -317,9 +318,8 @@ static void imxmci_setup_data(struct imxmci_host *host, struct mmc_data *data)
clear_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events);
/* start DMA engine for read, write is delayed after initial response */
- if (host->dma_dir == DMA_FROM_DEVICE) {
+ if (host->dma_dir == DMA_FROM_DEVICE)
imx_dma_enable(host->dma);
- }
}
static void imxmci_start_cmd(struct imxmci_host *host, struct mmc_command *cmd, unsigned int cmdat)
@@ -351,16 +351,16 @@ static void imxmci_start_cmd(struct imxmci_host *host, struct mmc_command *cmd,
break;
}
- if ( test_and_clear_bit(IMXMCI_PEND_SET_INIT_b, &host->pending_events) )
+ if (test_and_clear_bit(IMXMCI_PEND_SET_INIT_b, &host->pending_events))
cmdat |= CMD_DAT_CONT_INIT; /* This command needs init */
- if ( host->actual_bus_width == MMC_BUS_WIDTH_4 )
+ if (host->actual_bus_width == MMC_BUS_WIDTH_4)
cmdat |= CMD_DAT_CONT_BUS_WIDTH_4;
- MMC_CMD = cmd->opcode;
- MMC_ARGH = cmd->arg >> 16;
- MMC_ARGL = cmd->arg & 0xffff;
- MMC_CMD_DAT_CONT = cmdat;
+ writew(cmd->opcode, host->base + MMC_REG_CMD);
+ writew(cmd->arg >> 16, host->base + MMC_REG_ARGH);
+ writew(cmd->arg & 0xffff, host->base + MMC_REG_ARGL);
+ writew(cmdat, host->base + MMC_REG_CMD_DAT_CONT);
atomic_set(&host->stuck_timeout, 0);
set_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events);
@@ -368,18 +368,18 @@ static void imxmci_start_cmd(struct imxmci_host *host, struct mmc_command *cmd,
imask = IMXMCI_INT_MASK_DEFAULT;
imask &= ~INT_MASK_END_CMD_RES;
- if ( cmdat & CMD_DAT_CONT_DATA_ENABLE ) {
- /*imask &= ~INT_MASK_BUF_READY;*/
+ if (cmdat & CMD_DAT_CONT_DATA_ENABLE) {
+ /* imask &= ~INT_MASK_BUF_READY; */
imask &= ~INT_MASK_DATA_TRAN;
- if ( cmdat & CMD_DAT_CONT_WRITE )
+ if (cmdat & CMD_DAT_CONT_WRITE)
imask &= ~INT_MASK_WRITE_OP_DONE;
- if(test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events))
+ if (test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events))
imask &= ~INT_MASK_BUF_READY;
}
spin_lock_irqsave(&host->lock, flags);
host->imask = imask;
- MMC_INT_MASK = host->imask;
+ writew(host->imask, host->base + MMC_REG_INT_MASK);
spin_unlock_irqrestore(&host->lock, flags);
dev_dbg(mmc_dev(host->mmc), "CMD%02d (0x%02x) mask set to 0x%04x\n",
@@ -395,14 +395,14 @@ static void imxmci_finish_request(struct imxmci_host *host, struct mmc_request *
spin_lock_irqsave(&host->lock, flags);
host->pending_events &= ~(IMXMCI_PEND_WAIT_RESP_m | IMXMCI_PEND_DMA_END_m |
- IMXMCI_PEND_DMA_DATA_m | IMXMCI_PEND_CPU_DATA_m);
+ IMXMCI_PEND_DMA_DATA_m | IMXMCI_PEND_CPU_DATA_m);
host->imask = IMXMCI_INT_MASK_DEFAULT;
- MMC_INT_MASK = host->imask;
+ writew(host->imask, host->base + MMC_REG_INT_MASK);
spin_unlock_irqrestore(&host->lock, flags);
- if(req && req->cmd)
+ if (req && req->cmd)
host->prev_cmd_code = req->cmd->opcode;
host->req = NULL;
@@ -416,17 +416,17 @@ static int imxmci_finish_data(struct imxmci_host *host, unsigned int stat)
struct mmc_data *data = host->data;
int data_error;
- if(test_and_clear_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events)){
+ if (test_and_clear_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events)) {
imx_dma_disable(host->dma);
dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_nents,
host->dma_dir);
}
- if ( stat & STATUS_ERR_MASK ) {
- dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",stat);
- if(stat & (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR))
+ if (stat & STATUS_ERR_MASK) {
+ dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n", stat);
+ if (stat & (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR))
data->error = -EILSEQ;
- else if(stat & STATUS_TIME_OUT_READ)
+ else if (stat & STATUS_TIME_OUT_READ)
data->error = -ETIMEDOUT;
else
data->error = -EIO;
@@ -445,7 +445,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat)
{
struct mmc_command *cmd = host->cmd;
int i;
- u32 a,b,c;
+ u32 a, b, c;
struct mmc_data *data = host->data;
if (!cmd)
@@ -461,18 +461,18 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat)
cmd->error = -EILSEQ;
}
- if(cmd->flags & MMC_RSP_PRESENT) {
- if(cmd->flags & MMC_RSP_136) {
+ if (cmd->flags & MMC_RSP_PRESENT) {
+ if (cmd->flags & MMC_RSP_136) {
for (i = 0; i < 4; i++) {
- u32 a = MMC_RES_FIFO & 0xffff;
- u32 b = MMC_RES_FIFO & 0xffff;
- cmd->resp[i] = a<<16 | b;
+ a = readw(host->base + MMC_REG_RES_FIFO);
+ b = readw(host->base + MMC_REG_RES_FIFO);
+ cmd->resp[i] = a << 16 | b;
}
} else {
- a = MMC_RES_FIFO & 0xffff;
- b = MMC_RES_FIFO & 0xffff;
- c = MMC_RES_FIFO & 0xffff;
- cmd->resp[0] = a<<24 | b<<8 | c>>8;
+ a = readw(host->base + MMC_REG_RES_FIFO);
+ b = readw(host->base + MMC_REG_RES_FIFO);
+ c = readw(host->base + MMC_REG_RES_FIFO);
+ cmd->resp[0] = a << 24 | b << 8 | c >> 8;
}
}
@@ -484,36 +484,34 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat)
/* Wait for FIFO to be empty before starting DMA write */
- stat = MMC_STATUS;
- if(imxmci_busy_wait_for_status(host, &stat,
- STATUS_APPL_BUFF_FE,
- 40, "imxmci_cmd_done DMA WR") < 0) {
+ stat = readw(host->base + MMC_REG_STATUS);
+ if (imxmci_busy_wait_for_status(host, &stat,
+ STATUS_APPL_BUFF_FE,
+ 40, "imxmci_cmd_done DMA WR") < 0) {
cmd->error = -EIO;
imxmci_finish_data(host, stat);
- if(host->req)
+ if (host->req)
imxmci_finish_request(host, host->req);
dev_warn(mmc_dev(host->mmc), "STATUS = 0x%04x\n",
- stat);
+ stat);
return 0;
}
- if(test_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events)) {
+ if (test_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events))
imx_dma_enable(host->dma);
- }
}
} else {
struct mmc_request *req;
imxmci_stop_clock(host);
req = host->req;
- if(data)
+ if (data)
imxmci_finish_data(host, stat);
- if( req ) {
+ if (req)
imxmci_finish_request(host, req);
- } else {
+ else
dev_warn(mmc_dev(host->mmc), "imxmci_cmd_done: no request to finish\n");
- }
}
return 1;
@@ -535,11 +533,10 @@ static int imxmci_data_done(struct imxmci_host *host, unsigned int stat)
} else {
struct mmc_request *req;
req = host->req;
- if( req ) {
+ if (req)
imxmci_finish_request(host, req);
- } else {
+ else
dev_warn(mmc_dev(host->mmc), "imxmci_data_done: no request to finish\n");
- }
}
return 1;
@@ -552,7 +549,7 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
int trans_done = 0;
unsigned int stat = *pstat;
- if(host->actual_bus_width != MMC_BUS_WIDTH_4)
+ if (host->actual_bus_width != MMC_BUS_WIDTH_4)
burst_len = 16;
else
burst_len = 64;
@@ -563,44 +560,44 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
udelay(20); /* required for clocks < 8MHz*/
- if(host->dma_dir == DMA_FROM_DEVICE) {
+ if (host->dma_dir == DMA_FROM_DEVICE) {
imxmci_busy_wait_for_status(host, &stat,
- STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE |
- STATUS_TIME_OUT_READ,
- 50, "imxmci_cpu_driven_data read");
+ STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE |
+ STATUS_TIME_OUT_READ,
+ 50, "imxmci_cpu_driven_data read");
- while((stat & (STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE)) &&
- !(stat & STATUS_TIME_OUT_READ) &&
- (host->data_cnt < 512)) {
+ while ((stat & (STATUS_APPL_BUFF_FF | STATUS_DATA_TRANS_DONE)) &&
+ !(stat & STATUS_TIME_OUT_READ) &&
+ (host->data_cnt < 512)) {
udelay(20); /* required for clocks < 8MHz*/
- for(i = burst_len; i>=2 ; i-=2) {
+ for (i = burst_len; i >= 2 ; i -= 2) {
u16 data;
- data = MMC_BUFFER_ACCESS;
+ data = readw(host->base + MMC_REG_BUFFER_ACCESS);
udelay(10); /* required for clocks < 8MHz*/
- if(host->data_cnt+2 <= host->dma_size) {
+ if (host->data_cnt+2 <= host->dma_size) {
*(host->data_ptr++) = data;
} else {
- if(host->data_cnt < host->dma_size)
- *(u8*)(host->data_ptr) = data;
+ if (host->data_cnt < host->dma_size)
+ *(u8 *)(host->data_ptr) = data;
}
host->data_cnt += 2;
}
- stat = MMC_STATUS;
+ stat = readw(host->base + MMC_REG_STATUS);
dev_dbg(mmc_dev(host->mmc), "imxmci_cpu_driven_data read %d burst %d STATUS = 0x%x\n",
host->data_cnt, burst_len, stat);
}
- if((stat & STATUS_DATA_TRANS_DONE) && (host->data_cnt >= 512))
+ if ((stat & STATUS_DATA_TRANS_DONE) && (host->data_cnt >= 512))
trans_done = 1;
- if(host->dma_size & 0x1ff)
+ if (host->dma_size & 0x1ff)
stat &= ~STATUS_CRC_READ_ERR;
- if(stat & STATUS_TIME_OUT_READ) {
+ if (stat & STATUS_TIME_OUT_READ) {
dev_dbg(mmc_dev(host->mmc), "imxmci_cpu_driven_data read timeout STATUS = 0x%x\n",
stat);
trans_done = -1;
@@ -608,12 +605,12 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
} else {
imxmci_busy_wait_for_status(host, &stat,
- STATUS_APPL_BUFF_FE,
- 20, "imxmci_cpu_driven_data write");
+ STATUS_APPL_BUFF_FE,
+ 20, "imxmci_cpu_driven_data write");
- while((stat & STATUS_APPL_BUFF_FE) &&
- (host->data_cnt < host->dma_size)) {
- if(burst_len >= host->dma_size - host->data_cnt) {
+ while ((stat & STATUS_APPL_BUFF_FE) &&
+ (host->data_cnt < host->dma_size)) {
+ if (burst_len >= host->dma_size - host->data_cnt) {
burst_len = host->dma_size - host->data_cnt;
host->data_cnt = host->dma_size;
trans_done = 1;
@@ -621,10 +618,10 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
host->data_cnt += burst_len;
}
- for(i = burst_len; i>0 ; i-=2)
- MMC_BUFFER_ACCESS = *(host->data_ptr++);
+ for (i = burst_len; i > 0 ; i -= 2)
+ writew(*(host->data_ptr++), host->base + MMC_REG_BUFFER_ACCESS);
- stat = MMC_STATUS;
+ stat = readw(host->base + MMC_REG_STATUS);
dev_dbg(mmc_dev(host->mmc), "imxmci_cpu_driven_data write burst %d STATUS = 0x%x\n",
burst_len, stat);
@@ -639,7 +636,7 @@ static int imxmci_cpu_driven_data(struct imxmci_host *host, unsigned int *pstat)
static void imxmci_dma_irq(int dma, void *devid)
{
struct imxmci_host *host = devid;
- uint32_t stat = MMC_STATUS;
+ u32 stat = readw(host->base + MMC_REG_STATUS);
atomic_set(&host->stuck_timeout, 0);
host->status_reg = stat;
@@ -650,10 +647,11 @@ static void imxmci_dma_irq(int dma, void *devid)
static irqreturn_t imxmci_irq(int irq, void *devid)
{
struct imxmci_host *host = devid;
- uint32_t stat = MMC_STATUS;
+ u32 stat = readw(host->base + MMC_REG_STATUS);
int handled = 1;
- MMC_INT_MASK = host->imask | INT_MASK_SDIO | INT_MASK_AUTO_CARD_DETECT;
+ writew(host->imask | INT_MASK_SDIO | INT_MASK_AUTO_CARD_DETECT,
+ host->base + MMC_REG_INT_MASK);
atomic_set(&host->stuck_timeout, 0);
host->status_reg = stat;
@@ -671,10 +669,10 @@ static void imxmci_tasklet_fnc(unsigned long data)
unsigned int data_dir_mask = 0; /* STATUS_WR_CRC_ERROR_CODE_MASK */
int timeout = 0;
- if(atomic_read(&host->stuck_timeout) > 4) {
+ if (atomic_read(&host->stuck_timeout) > 4) {
char *what;
timeout = 1;
- stat = MMC_STATUS;
+ stat = readw(host->base + MMC_REG_STATUS);
host->status_reg = stat;
if (test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events))
if (test_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events))
@@ -683,29 +681,37 @@ static void imxmci_tasklet_fnc(unsigned long data)
what = "RESP";
else
if (test_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events))
- if(test_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events))
+ if (test_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events))
what = "DATA";
else
what = "DMA";
else
what = "???";
- dev_err(mmc_dev(host->mmc), "%s TIMEOUT, hardware stucked STATUS = 0x%04x IMASK = 0x%04x\n",
- what, stat, MMC_INT_MASK);
- dev_err(mmc_dev(host->mmc), "CMD_DAT_CONT = 0x%04x, MMC_BLK_LEN = 0x%04x, MMC_NOB = 0x%04x, DMA_CCR = 0x%08x\n",
- MMC_CMD_DAT_CONT, MMC_BLK_LEN, MMC_NOB, CCR(host->dma));
+ dev_err(mmc_dev(host->mmc),
+ "%s TIMEOUT, hardware stucked STATUS = 0x%04x IMASK = 0x%04x\n",
+ what, stat,
+ readw(host->base + MMC_REG_INT_MASK));
+ dev_err(mmc_dev(host->mmc),
+ "CMD_DAT_CONT = 0x%04x, MMC_BLK_LEN = 0x%04x, MMC_NOB = 0x%04x, DMA_CCR = 0x%08x\n",
+ readw(host->base + MMC_REG_CMD_DAT_CONT),
+ readw(host->base + MMC_REG_BLK_LEN),
+ readw(host->base + MMC_REG_NOB),
+ CCR(host->dma));
dev_err(mmc_dev(host->mmc), "CMD%d, prevCMD%d, bus %d-bit, dma_size = 0x%x\n",
- host->cmd?host->cmd->opcode:0, host->prev_cmd_code, 1<<host->actual_bus_width, host->dma_size);
+ host->cmd ? host->cmd->opcode : 0,
+ host->prev_cmd_code,
+ 1 << host->actual_bus_width, host->dma_size);
}
- if(!host->present || timeout)
+ if (!host->present || timeout)
host->status_reg = STATUS_TIME_OUT_RESP | STATUS_TIME_OUT_READ |
- STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR;
+ STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR;
- if(test_bit(IMXMCI_PEND_IRQ_b, &host->pending_events) || timeout) {
+ if (test_bit(IMXMCI_PEND_IRQ_b, &host->pending_events) || timeout) {
clear_bit(IMXMCI_PEND_IRQ_b, &host->pending_events);
- stat = MMC_STATUS;
+ stat = readw(host->base + MMC_REG_STATUS);
/*
* This is not required in theory, but there is chance to miss some flag
* which clears automatically by mask write, FreeScale original code keeps
@@ -713,63 +719,62 @@ static void imxmci_tasklet_fnc(unsigned long data)
*/
stat |= host->status_reg;
- if(test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events))
+ if (test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events))
stat &= ~STATUS_CRC_READ_ERR;
- if(test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events)) {
+ if (test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events)) {
imxmci_busy_wait_for_status(host, &stat,
- STATUS_END_CMD_RESP | STATUS_ERR_MASK,
- 20, "imxmci_tasklet_fnc resp (ERRATUM #4)");
+ STATUS_END_CMD_RESP | STATUS_ERR_MASK,
+ 20, "imxmci_tasklet_fnc resp (ERRATUM #4)");
}
- if(stat & (STATUS_END_CMD_RESP | STATUS_ERR_MASK)) {
- if(test_and_clear_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events))
+ if (stat & (STATUS_END_CMD_RESP | STATUS_ERR_MASK)) {
+ if (test_and_clear_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events))
imxmci_cmd_done(host, stat);
- if(host->data && (stat & STATUS_ERR_MASK))
+ if (host->data && (stat & STATUS_ERR_MASK))
imxmci_data_done(host, stat);
}
- if(test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events)) {
- stat |= MMC_STATUS;
- if(imxmci_cpu_driven_data(host, &stat)){
- if(test_and_clear_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events))
+ if (test_bit(IMXMCI_PEND_CPU_DATA_b, &host->pending_events)) {
+ stat |= readw(host->base + MMC_REG_STATUS);
+ if (imxmci_cpu_driven_data(host, &stat)) {
+ if (test_and_clear_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events))
imxmci_cmd_done(host, stat);
atomic_clear_mask(IMXMCI_PEND_IRQ_m|IMXMCI_PEND_CPU_DATA_m,
- &host->pending_events);
+ &host->pending_events);
imxmci_data_done(host, stat);
}
}
}
- if(test_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events) &&
- !test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events)) {
+ if (test_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events) &&
+ !test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events)) {
- stat = MMC_STATUS;
+ stat = readw(host->base + MMC_REG_STATUS);
/* Same as above */
stat |= host->status_reg;
- if(host->dma_dir == DMA_TO_DEVICE) {
+ if (host->dma_dir == DMA_TO_DEVICE)
data_dir_mask = STATUS_WRITE_OP_DONE;
- } else {
+ else
data_dir_mask = STATUS_DATA_TRANS_DONE;
- }
- if(stat & data_dir_mask) {
+ if (stat & data_dir_mask) {
clear_bit(IMXMCI_PEND_DMA_END_b, &host->pending_events);
imxmci_data_done(host, stat);
}
}
- if(test_and_clear_bit(IMXMCI_PEND_CARD_XCHG_b, &host->pending_events)) {
+ if (test_and_clear_bit(IMXMCI_PEND_CARD_XCHG_b, &host->pending_events)) {
- if(host->cmd)
+ if (host->cmd)
imxmci_cmd_done(host, STATUS_TIME_OUT_RESP);
- if(host->data)
+ if (host->data)
imxmci_data_done(host, STATUS_TIME_OUT_READ |
STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR);
- if(host->req)
+ if (host->req)
imxmci_finish_request(host, host->req);
mmc_detect_change(host->mmc, msecs_to_jiffies(100));
@@ -796,9 +801,8 @@ static void imxmci_request(struct mmc_host *mmc, struct mmc_request *req)
if (req->data->flags & MMC_DATA_WRITE)
cmdat |= CMD_DAT_CONT_WRITE;
- if (req->data->flags & MMC_DATA_STREAM) {
+ if (req->data->flags & MMC_DATA_STREAM)
cmdat |= CMD_DAT_CONT_STREAM_BLOCK;
- }
}
imxmci_start_cmd(host, req->cmd, cmdat);
@@ -811,36 +815,37 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct imxmci_host *host = mmc_priv(mmc);
int prescaler;
- if( ios->bus_width==MMC_BUS_WIDTH_4 ) {
+ if (ios->bus_width == MMC_BUS_WIDTH_4) {
host->actual_bus_width = MMC_BUS_WIDTH_4;
imx_gpio_mode(PB11_PF_SD_DAT3);
- }else{
+ } else {
host->actual_bus_width = MMC_BUS_WIDTH_1;
imx_gpio_mode(GPIO_PORTB | GPIO_IN | GPIO_PUEN | 11);
}
- if ( host->power_mode != ios->power_mode ) {
+ if (host->power_mode != ios->power_mode) {
switch (ios->power_mode) {
case MMC_POWER_OFF:
- break;
+ break;
case MMC_POWER_UP:
set_bit(IMXMCI_PEND_SET_INIT_b, &host->pending_events);
- break;
+ break;
case MMC_POWER_ON:
- break;
+ break;
}
host->power_mode = ios->power_mode;
}
- if ( ios->clock ) {
+ if (ios->clock) {
unsigned int clk;
+ u16 reg;
/* The prescaler is 5 for PERCLK2 equal to 96MHz
* then 96MHz / 5 = 19.2 MHz
*/
clk = clk_get_rate(host->clk);
- prescaler=(clk+(CLK_RATE*7)/8)/CLK_RATE;
- switch(prescaler) {
+ prescaler = (clk + (CLK_RATE * 7) / 8) / CLK_RATE;
+ switch (prescaler) {
case 0:
case 1: prescaler = 0;
break;
@@ -858,24 +863,29 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
dev_dbg(mmc_dev(host->mmc), "PERCLK2 %d MHz -> prescaler %d\n",
clk, prescaler);
- for(clk=0; clk<8; clk++) {
+ for (clk = 0; clk < 8; clk++) {
int x;
- x = CLK_RATE / (1<<clk);
- if( x <= ios->clock)
+ x = CLK_RATE / (1 << clk);
+ if (x <= ios->clock)
break;
}
- MMC_STR_STP_CLK |= STR_STP_CLK_ENABLE; /* enable controller */
+ /* enable controller */
+ reg = readw(host->base + MMC_REG_STR_STP_CLK);
+ writew(reg | STR_STP_CLK_ENABLE,
+ host->base + MMC_REG_STR_STP_CLK);
imxmci_stop_clock(host);
- MMC_CLK_RATE = (prescaler<<3) | clk;
+ writew((prescaler << 3) | clk, host->base + MMC_REG_CLK_RATE);
/*
* Under my understanding, clock should not be started there, because it would
* initiate SDHC sequencer and send last or random command into card
*/
- /*imxmci_start_clock(host);*/
+ /* imxmci_start_clock(host); */
- dev_dbg(mmc_dev(host->mmc), "MMC_CLK_RATE: 0x%08x\n", MMC_CLK_RATE);
+ dev_dbg(mmc_dev(host->mmc),
+ "MMC_CLK_RATE: 0x%08x\n",
+ readw(host->base + MMC_REG_CLK_RATE));
} else {
imxmci_stop_clock(host);
}
@@ -915,10 +925,10 @@ static void imxmci_check_status(unsigned long data)
tasklet_schedule(&host->tasklet);
}
- if(test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events) ||
- test_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events)) {
+ if (test_bit(IMXMCI_PEND_WAIT_RESP_b, &host->pending_events) ||
+ test_bit(IMXMCI_PEND_DMA_DATA_b, &host->pending_events)) {
atomic_inc(&host->stuck_timeout);
- if(atomic_read(&host->stuck_timeout) > 4)
+ if (atomic_read(&host->stuck_timeout) > 4)
tasklet_schedule(&host->tasklet);
} else {
atomic_set(&host->stuck_timeout, 0);
@@ -934,6 +944,7 @@ static int imxmci_probe(struct platform_device *pdev)
struct imxmci_host *host = NULL;
struct resource *r;
int ret = 0, irq;
+ u16 rev_no;
printk(KERN_INFO "i.MX mmc driver\n");
@@ -942,7 +953,8 @@ static int imxmci_probe(struct platform_device *pdev)
if (!r || irq < 0)
return -ENXIO;
- if (!request_mem_region(r->start, 0x100, pdev->name))
+ r = request_mem_region(r->start, resource_size(r), pdev->name);
+ if (!r)
return -EBUSY;
mmc = mmc_alloc_host(sizeof(struct imxmci_host), &pdev->dev);
@@ -966,6 +978,12 @@ static int imxmci_probe(struct platform_device *pdev)
mmc->max_blk_count = 65535;
host = mmc_priv(mmc);
+ host->base = ioremap(r->start, resource_size(r));
+ if (!host->base) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
host->mmc = mmc;
host->dma_allocated = 0;
host->pdata = pdev->dev.platform_data;
@@ -993,18 +1011,20 @@ static int imxmci_probe(struct platform_device *pdev)
imx_gpio_mode(PB12_PF_SD_CLK);
imx_gpio_mode(PB13_PF_SD_CMD);
- imxmci_softreset();
+ imxmci_softreset(host);
- if ( MMC_REV_NO != 0x390 ) {
+ rev_no = readw(host->base + MMC_REG_REV_NO);
+ if (rev_no != 0x390) {
dev_err(mmc_dev(host->mmc), "wrong rev.no. 0x%08x. aborting.\n",
- MMC_REV_NO);
+ readw(host->base + MMC_REG_REV_NO));
goto out;
}
- MMC_READ_TO = 0x2db4; /* recommended in data sheet */
+ /* recommended in data sheet */
+ writew(0x2db4, host->base + MMC_REG_READ_TO);
host->imask = IMXMCI_INT_MASK_DEFAULT;
- MMC_INT_MASK = host->imask;
+ writew(host->imask, host->base + MMC_REG_INT_MASK);
host->dma = imx_dma_request_by_prio(DRIVER_NAME, DMA_PRIO_LOW);
if(host->dma < 0) {
@@ -1012,7 +1032,7 @@ static int imxmci_probe(struct platform_device *pdev)
ret = -EBUSY;
goto out;
}
- host->dma_allocated=1;
+ host->dma_allocated = 1;
imx_dma_setup_handlers(host->dma, imxmci_dma_irq, NULL, host);
tasklet_init(&host->tasklet, imxmci_tasklet_fnc, (unsigned long)host);
@@ -1032,7 +1052,7 @@ static int imxmci_probe(struct platform_device *pdev)
host->timer.data = (unsigned long)host;
host->timer.function = imxmci_check_status;
add_timer(&host->timer);
- mod_timer(&host->timer, jiffies + (HZ>>1));
+ mod_timer(&host->timer, jiffies + (HZ >> 1));
platform_set_drvdata(pdev, mmc);
@@ -1042,18 +1062,20 @@ static int imxmci_probe(struct platform_device *pdev)
out:
if (host) {
- if(host->dma_allocated){
+ if (host->dma_allocated) {
imx_dma_free(host->dma);
- host->dma_allocated=0;
+ host->dma_allocated = 0;
}
if (host->clk) {
clk_disable(host->clk);
clk_put(host->clk);
}
+ if (host->base)
+ iounmap(host->base);
}
if (mmc)
mmc_free_host(mmc);
- release_mem_region(r->start, 0x100);
+ release_mem_region(r->start, resource_size(r));
return ret;
}
@@ -1072,9 +1094,10 @@ static int imxmci_remove(struct platform_device *pdev)
mmc_remove_host(mmc);
free_irq(host->irq, host);
- if(host->dma_allocated){
+ iounmap(host->base);
+ if (host->dma_allocated) {
imx_dma_free(host->dma);
- host->dma_allocated=0;
+ host->dma_allocated = 0;
}
tasklet_kill(&host->tasklet);
@@ -1082,7 +1105,7 @@ static int imxmci_remove(struct platform_device *pdev)
clk_disable(host->clk);
clk_put(host->clk);
- release_mem_region(host->res->start, 0x100);
+ release_mem_region(host->res->start, resource_size(host->res));
mmc_free_host(mmc);
}
@@ -1109,7 +1132,7 @@ static int imxmci_resume(struct platform_device *dev)
if (mmc) {
host = mmc_priv(mmc);
- if(host)
+ if (host)
set_bit(IMXMCI_PEND_SET_INIT_b, &host->pending_events);
ret = mmc_resume_host(mmc);
}
diff --git a/drivers/mmc/host/imxmmc.h b/drivers/mmc/host/imxmmc.h
index e5339e334dbb..09d5d4ee3a77 100644
--- a/drivers/mmc/host/imxmmc.h
+++ b/drivers/mmc/host/imxmmc.h
@@ -1,24 +1,21 @@
+#define MMC_REG_STR_STP_CLK 0x00
+#define MMC_REG_STATUS 0x04
+#define MMC_REG_CLK_RATE 0x08
+#define MMC_REG_CMD_DAT_CONT 0x0C
+#define MMC_REG_RES_TO 0x10
+#define MMC_REG_READ_TO 0x14
+#define MMC_REG_BLK_LEN 0x18
+#define MMC_REG_NOB 0x1C
+#define MMC_REG_REV_NO 0x20
+#define MMC_REG_INT_MASK 0x24
+#define MMC_REG_CMD 0x28
+#define MMC_REG_ARGH 0x2C
+#define MMC_REG_ARGL 0x30
+#define MMC_REG_RES_FIFO 0x34
+#define MMC_REG_BUFFER_ACCESS 0x38
-# define __REG16(x) (*((volatile u16 *)IO_ADDRESS(x)))
-
-#define MMC_STR_STP_CLK __REG16(IMX_MMC_BASE + 0x00)
-#define MMC_STATUS __REG16(IMX_MMC_BASE + 0x04)
-#define MMC_CLK_RATE __REG16(IMX_MMC_BASE + 0x08)
-#define MMC_CMD_DAT_CONT __REG16(IMX_MMC_BASE + 0x0C)
-#define MMC_RES_TO __REG16(IMX_MMC_BASE + 0x10)
-#define MMC_READ_TO __REG16(IMX_MMC_BASE + 0x14)
-#define MMC_BLK_LEN __REG16(IMX_MMC_BASE + 0x18)
-#define MMC_NOB __REG16(IMX_MMC_BASE + 0x1C)
-#define MMC_REV_NO __REG16(IMX_MMC_BASE + 0x20)
-#define MMC_INT_MASK __REG16(IMX_MMC_BASE + 0x24)
-#define MMC_CMD __REG16(IMX_MMC_BASE + 0x28)
-#define MMC_ARGH __REG16(IMX_MMC_BASE + 0x2C)
-#define MMC_ARGL __REG16(IMX_MMC_BASE + 0x30)
-#define MMC_RES_FIFO __REG16(IMX_MMC_BASE + 0x34)
-#define MMC_BUFFER_ACCESS __REG16(IMX_MMC_BASE + 0x38)
-#define MMC_BUFFER_ACCESS_OFS 0x38
-
-
+#define STR_STP_CLK_IPG_CLK_GATE_DIS (1<<15)
+#define STR_STP_CLK_IPG_PERCLK_GATE_DIS (1<<14)
#define STR_STP_CLK_ENDIAN (1<<5)
#define STR_STP_CLK_RESET (1<<3)
#define STR_STP_CLK_ENABLE (1<<2)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 2fadf323c696..1bcbdd6763ac 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -500,7 +500,7 @@ static int mmci_probe(struct amba_device *dev, void *id)
}
host = mmc_priv(mmc);
- host->clk = clk_get(&dev->dev, "MCLK");
+ host->clk = clk_get(&dev->dev, NULL);
if (IS_ERR(host->clk)) {
ret = PTR_ERR(host->clk);
host->clk = NULL;
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 1b9fc3c6b875..67d7b7fef084 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1015,7 +1015,7 @@ static int mmc_omap_get_dma_channel(struct mmc_omap_host *host, struct mmc_data
}
if (is_read) {
- if (host->id == 1) {
+ if (host->id == 0) {
sync_dev = OMAP_DMA_MMC_RX;
dma_dev_name = "MMC1 read";
} else {
@@ -1023,7 +1023,7 @@ static int mmc_omap_get_dma_channel(struct mmc_omap_host *host, struct mmc_data
dma_dev_name = "MMC2 read";
}
} else {
- if (host->id == 1) {
+ if (host->id == 0) {
sync_dev = OMAP_DMA_MMC_TX;
dma_dev_name = "MMC1 write";
} else {
@@ -1317,7 +1317,7 @@ static int __init mmc_omap_new_slot(struct mmc_omap_host *host, int id)
host->slots[id] = slot;
mmc->caps = 0;
- if (host->pdata->conf.wire4)
+ if (host->pdata->slots[id].wires >= 4)
mmc->caps |= MMC_CAP_4_BIT_DATA;
mmc->ops = &mmc_omap_ops;
@@ -1451,6 +1451,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
host->irq = irq;
host->use_dma = 1;
+ host->dev->dma_mask = &pdata->dma_mask;
host->dma_ch = -1;
host->irq = irq;
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index ebfaa9960939..f88cc7406354 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -26,11 +26,12 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/mmc/host.h>
+#include <linux/io.h>
-#include <asm/dma.h>
-#include <asm/io.h>
#include <asm/sizes.h>
+#include <mach/dma.h>
+#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#include <mach/mmc.h>
@@ -533,7 +534,7 @@ static int pxamci_probe(struct platform_device *pdev)
host->pdata = pdev->dev.platform_data;
host->clkrt = CLKRT_OFF;
- host->clk = clk_get(&pdev->dev, "MMCCLK");
+ host->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk)) {
ret = PTR_ERR(host->clk);
host->clk = NULL;
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 3b2085b57769..fcc98a4cce3c 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -25,7 +25,7 @@
#include <mach/regs-sdi.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c24xx/mci.h>
+#include <plat/mci.h>
#include "s3cmci.h"
diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c
index 3aa018c092f8..42969fe051b2 100644
--- a/drivers/mtd/maps/dc21285.c
+++ b/drivers/mtd/maps/dc21285.c
@@ -32,16 +32,15 @@ static struct mtd_info *dc21285_mtd;
*/
static void nw_en_write(void)
{
- extern spinlock_t gpio_lock;
unsigned long flags;
/*
* we want to write a bit pattern XXX1 to Xilinx to enable
* the write gate, which will be open for about the next 2ms.
*/
- spin_lock_irqsave(&gpio_lock, flags);
- cpld_modify(1, 1);
- spin_unlock_irqrestore(&gpio_lock, flags);
+ spin_lock_irqsave(&nw_gpio_lock, flags);
+ nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE);
+ spin_unlock_irqrestore(&nw_gpio_lock, flags);
/*
* let the ISA bus to catch on...
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index dcdb1f17577d..3ea1de9be720 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -170,7 +170,7 @@ static int ixp2000_flash_probe(struct platform_device *dev)
err = -ENOMEM;
goto Error;
}
- memzero(info, sizeof(struct ixp2000_flash_info));
+ memset(info, 0, sizeof(struct ixp2000_flash_info));
platform_set_drvdata(dev, info);
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 9c7a5fbd4e51..16555cbeaea4 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -201,7 +201,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
err = -ENOMEM;
goto Error;
}
- memzero(info, sizeof(struct ixp4xx_flash_info));
+ memset(info, 0, sizeof(struct ixp4xx_flash_info));
platform_set_drvdata(dev, info);
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 1c2e9450d663..f8ae0400c49c 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -408,7 +408,7 @@ config MTD_NAND_FSL_UPM
config MTD_NAND_MXC
tristate "MXC NAND support"
- depends on ARCH_MX2
+ depends on ARCH_MX2 || ARCH_MX3
help
This enables the driver for the NAND flash controller on the
MXC processors.
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 15f0a26730ae..fc4144495610 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -20,8 +20,8 @@
#include <linux/mtd/partitions.h>
#include <linux/io.h>
#include <linux/irq.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/pxa-regs.h>
#include <mach/pxa3xx_nand.h>
@@ -1080,7 +1080,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
this = &info->nand_chip;
mtd->priv = info;
- info->clk = clk_get(&pdev->dev, "NANDCLK");
+ info->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(info->clk)) {
dev_err(&pdev->dev, "failed to get nand clock\n");
ret = PTR_ERR(info->clk);
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 556139ed1fdf..8e375d5fe231 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -45,8 +45,8 @@
#include <asm/io.h>
-#include <asm/plat-s3c/regs-nand.h>
-#include <asm/plat-s3c/nand.h>
+#include <plat/regs-nand.h>
+#include <plat/nand.h>
#ifdef CONFIG_MTD_NAND_S3C2410_HWECC
static int hardware_ecc = 1;
@@ -818,7 +818,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev,
goto exit_error;
}
- memzero(info, sizeof(*info));
+ memset(info, 0, sizeof(*info));
platform_set_drvdata(pdev, info);
spin_lock_init(&info->controller.lock);
@@ -883,7 +883,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev,
goto exit_error;
}
- memzero(info->mtds, size);
+ memset(info->mtds, 0, size);
/* initialise all possible chips */
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index a7e4d985f5ef..d1e0b8e7224b 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -149,7 +149,7 @@ static int omap2_onenand_wait(struct mtd_info *mtd, int state)
INIT_COMPLETION(c->irq_done);
if (c->gpio_irq) {
- result = omap_get_gpio_datain(c->gpio_irq);
+ result = gpio_get_value(c->gpio_irq);
if (result == -1) {
ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
intr = read_reg(c, ONENAND_REG_INTERRUPT);
@@ -634,9 +634,9 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
"OneNAND\n", c->gpio_irq);
goto err_iounmap;
}
- omap_set_gpio_direction(c->gpio_irq, 1);
+ gpio_direction_input(c->gpio_irq);
- if ((r = request_irq(OMAP_GPIO_IRQ(c->gpio_irq),
+ if ((r = request_irq(gpio_to_irq(c->gpio_irq),
omap2_onenand_interrupt, IRQF_TRIGGER_RISING,
pdev->dev.driver->name, c)) < 0)
goto err_release_gpio;
@@ -723,7 +723,7 @@ err_release_dma:
if (c->dma_channel != -1)
omap_free_dma(c->dma_channel);
if (c->gpio_irq)
- free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+ free_irq(gpio_to_irq(c->gpio_irq), c);
err_release_gpio:
if (c->gpio_irq)
omap_free_gpio(c->gpio_irq);
@@ -760,7 +760,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
omap2_onenand_shutdown(pdev);
platform_set_drvdata(pdev, NULL);
if (c->gpio_irq) {
- free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+ free_irq(gpio_to_irq(c->gpio_irq), c);
omap_free_gpio(c->gpio_irq);
}
iounmap(c->onenand.base);
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index d548a45d59d5..ff6497658a45 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -170,11 +170,7 @@ static char version[] __initdata =
/* The cs8900 has 4 IRQ pins, software selectable. cs8900_irq_map maps
them to system IRQ numbers. This mapping is card specific and is set to
the configuration of the Cirrus Eval board for this chip. */
-#ifdef CONFIG_ARCH_CLPS7500
-static unsigned int netcard_portlist[] __used __initdata =
- { 0x80090303, 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0};
-static unsigned int cs8900_irq_map[] = {12,0,0,0};
-#elif defined(CONFIG_SH_HICOSH4)
+#if defined(CONFIG_SH_HICOSH4)
static unsigned int netcard_portlist[] __used __initdata =
{ 0x0300, 0};
static unsigned int cs8900_irq_map[] = {1,0,0,0};
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
index a0ee05318155..004a9aab3a50 100644
--- a/drivers/net/irda/pxaficp_ir.c
+++ b/drivers/net/irda/pxaficp_ir.c
@@ -22,9 +22,53 @@
#include <net/irda/wrapper.h>
#include <net/irda/irda_device.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/irda.h>
+#include <mach/hardware.h>
#include <mach/pxa-regs.h>
+#include <mach/regs-uart.h>
+
+#define FICP __REG(0x40800000) /* Start of FICP area */
+#define ICCR0 __REG(0x40800000) /* ICP Control Register 0 */
+#define ICCR1 __REG(0x40800004) /* ICP Control Register 1 */
+#define ICCR2 __REG(0x40800008) /* ICP Control Register 2 */
+#define ICDR __REG(0x4080000c) /* ICP Data Register */
+#define ICSR0 __REG(0x40800014) /* ICP Status Register 0 */
+#define ICSR1 __REG(0x40800018) /* ICP Status Register 1 */
+
+#define ICCR0_AME (1 << 7) /* Address match enable */
+#define ICCR0_TIE (1 << 6) /* Transmit FIFO interrupt enable */
+#define ICCR0_RIE (1 << 5) /* Recieve FIFO interrupt enable */
+#define ICCR0_RXE (1 << 4) /* Receive enable */
+#define ICCR0_TXE (1 << 3) /* Transmit enable */
+#define ICCR0_TUS (1 << 2) /* Transmit FIFO underrun select */
+#define ICCR0_LBM (1 << 1) /* Loopback mode */
+#define ICCR0_ITR (1 << 0) /* IrDA transmission */
+
+#define ICCR2_RXP (1 << 3) /* Receive Pin Polarity select */
+#define ICCR2_TXP (1 << 2) /* Transmit Pin Polarity select */
+#define ICCR2_TRIG (3 << 0) /* Receive FIFO Trigger threshold */
+#define ICCR2_TRIG_8 (0 << 0) /* >= 8 bytes */
+#define ICCR2_TRIG_16 (1 << 0) /* >= 16 bytes */
+#define ICCR2_TRIG_32 (2 << 0) /* >= 32 bytes */
+
+#ifdef CONFIG_PXA27x
+#define ICSR0_EOC (1 << 6) /* DMA End of Descriptor Chain */
+#endif
+#define ICSR0_FRE (1 << 5) /* Framing error */
+#define ICSR0_RFS (1 << 4) /* Receive FIFO service request */
+#define ICSR0_TFS (1 << 3) /* Transnit FIFO service request */
+#define ICSR0_RAB (1 << 2) /* Receiver abort */
+#define ICSR0_TUR (1 << 1) /* Trunsmit FIFO underun */
+#define ICSR0_EIF (1 << 0) /* End/Error in FIFO */
+
+#define ICSR1_ROR (1 << 6) /* Receiver FIFO underrun */
+#define ICSR1_CRE (1 << 5) /* CRC error */
+#define ICSR1_EOF (1 << 4) /* End of frame */
+#define ICSR1_TNF (1 << 3) /* Transmit FIFO not full */
+#define ICSR1_RNE (1 << 2) /* Receive FIFO not empty */
+#define ICSR1_TBY (1 << 1) /* Tramsmiter busy flag */
+#define ICSR1_RSY (1 << 0) /* Recevier synchronized flag */
#define IrSR_RXPL_NEG_IS_ZERO (1<<4)
#define IrSR_RXPL_POS_IS_ZERO 0x0
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index ccde5829ba21..d302bcf4c148 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -36,7 +36,7 @@
#include <net/irda/irda_device.h>
#include <asm/irq.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/hardware.h>
#include <asm/mach/irda.h>
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index cc7d85bdfb3e..870b4c33f108 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -200,6 +200,9 @@ static inline void SMC_outsl(struct smc911x_local *lp, int reg,
#ifdef SMC_USE_PXA_DMA
+
+#include <mach/dma.h>
+
/*
* Define the request and free functions
* These are unfortunately architecture specific as no generic allocation
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index 3e7c6a3cbc65..c4ccd121bc9c 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -493,7 +493,8 @@ struct smc_local {
* as RX which can overrun memory and lose packets.
*/
#include <linux/dma-mapping.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
+#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#ifdef SMC_insl
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 222904411a13..276473543982 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -217,7 +217,7 @@ config PCMCIA_PXA2XX
depends on ARM && ARCH_PXA && PCMCIA
depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
|| MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
- || ARCH_VIPER)
+ || ARCH_VIPER || ARCH_PXA_ESERIES)
help
Say Y here to include support for the PXA2xx PCMCIA controller
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 238629ad7f7c..bbac46327227 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -72,5 +72,6 @@ pxa2xx-obj-$(CONFIG_ARCH_VIPER) += pxa2xx_viper.o
pxa2xx-obj-$(CONFIG_TRIZEPS_PCMCIA) += pxa2xx_trizeps4.o
pxa2xx-obj-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o
pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o
+pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o
obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_core.o $(pxa2xx-obj-y)
diff --git a/drivers/pcmcia/pxa2xx_e740.c b/drivers/pcmcia/pxa2xx_e740.c
new file mode 100644
index 000000000000..f663a011bf4a
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_e740.c
@@ -0,0 +1,176 @@
+/*
+ * Toshiba e740 PCMCIA specific routines.
+ *
+ * (c) 2004 Ian Molton <spyro@f2s.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/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
+#include <mach/hardware.h>
+#include <mach/pxa-regs.h>
+#include <mach/eseries-gpio.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include "soc_common.h"
+
+static struct pcmcia_irqs cd_irqs[] = {
+ {
+ .sock = 0,
+ .irq = IRQ_GPIO(GPIO_E740_PCMCIA_CD0),
+ .str = "CF card detect"
+ },
+ {
+ .sock = 1,
+ .irq = IRQ_GPIO(GPIO_E740_PCMCIA_CD1),
+ .str = "Wifi switch"
+ },
+};
+
+static int e740_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ skt->irq = skt->nr == 0 ? IRQ_GPIO(GPIO_E740_PCMCIA_RDY0) :
+ IRQ_GPIO(GPIO_E740_PCMCIA_RDY1);
+
+ return soc_pcmcia_request_irqs(skt, &cd_irqs[skt->nr], 1);
+}
+
+/*
+ * Release all resources.
+ */
+static void e740_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ soc_pcmcia_free_irqs(skt, &cd_irqs[skt->nr], 1);
+}
+
+static void e740_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ if (skt->nr == 0) {
+ state->detect = gpio_get_value(GPIO_E740_PCMCIA_CD0) ? 0 : 1;
+ state->ready = gpio_get_value(GPIO_E740_PCMCIA_RDY0) ? 1 : 0;
+ } else {
+ state->detect = gpio_get_value(GPIO_E740_PCMCIA_CD1) ? 0 : 1;
+ state->ready = gpio_get_value(GPIO_E740_PCMCIA_RDY1) ? 1 : 0;
+ }
+
+ state->vs_3v = 1;
+ state->bvd1 = 1;
+ state->bvd2 = 1;
+ state->wrprot = 0;
+ state->vs_Xv = 0;
+}
+
+static int e740_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ if (state->flags & SS_RESET) {
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_RST0, 1);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_RST1, 1);
+ } else {
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_RST0, 0);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_RST1, 0);
+ }
+
+ switch (state->Vcc) {
+ case 0: /* Socket off */
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_PWR0, 0);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_PWR1, 1);
+ break;
+ case 50:
+ case 33: /* socket on */
+ if (skt->nr == 0)
+ gpio_set_value(GPIO_E740_PCMCIA_PWR0, 1);
+ else
+ gpio_set_value(GPIO_E740_PCMCIA_PWR1, 0);
+ break;
+ default:
+ printk(KERN_ERR "e740_cs: Unsupported Vcc: %d\n", state->Vcc);
+ }
+
+ return 0;
+}
+
+/*
+ * Enable card status IRQs on (re-)initialisation. This can
+ * be called at initialisation, power management event, or
+ * pcmcia event.
+ */
+static void e740_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+ soc_pcmcia_enable_irqs(skt, cd_irqs, ARRAY_SIZE(cd_irqs));
+}
+
+/*
+ * Disable card status IRQs on suspend.
+ */
+static void e740_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+ soc_pcmcia_disable_irqs(skt, cd_irqs, ARRAY_SIZE(cd_irqs));
+}
+
+static struct pcmcia_low_level e740_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = e740_pcmcia_hw_init,
+ .hw_shutdown = e740_pcmcia_hw_shutdown,
+ .socket_state = e740_pcmcia_socket_state,
+ .configure_socket = e740_pcmcia_configure_socket,
+ .socket_init = e740_pcmcia_socket_init,
+ .socket_suspend = e740_pcmcia_socket_suspend,
+ .nr = 2,
+};
+
+static struct platform_device *e740_pcmcia_device;
+
+static int __init e740_pcmcia_init(void)
+{
+ int ret;
+
+ if (!machine_is_e740())
+ return -ENODEV;
+
+ e740_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+ if (!e740_pcmcia_device)
+ return -ENOMEM;
+
+ ret = platform_device_add_data(e740_pcmcia_device, &e740_pcmcia_ops,
+ sizeof(e740_pcmcia_ops));
+
+ if (!ret)
+ ret = platform_device_add(e740_pcmcia_device);
+
+ if (ret)
+ platform_device_put(e740_pcmcia_device);
+
+ return ret;
+}
+
+static void __exit e740_pcmcia_exit(void)
+{
+ platform_device_unregister(e740_pcmcia_device);
+}
+
+module_init(e740_pcmcia_init);
+module_exit(e740_pcmcia_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
+MODULE_DESCRIPTION("e740 PCMCIA platform support");
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 2133f37906f2..d5e4e637ddec 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -21,6 +21,7 @@
#include <mach/board.h>
#include <mach/at91_rtt.h>
+#include <mach/cpu.h>
/*
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index f59277bbedaa..7a568beba3f0 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -26,7 +26,7 @@
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/irq.h>
-#include <asm/plat-s3c/regs-rtc.h>
+#include <plat/regs-rtc.h>
/* I have yet to find an S3C implementation with more than one
* of these rtc blocks in */
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 66a9bb85bbe8..d26a5f82aaba 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -38,11 +38,11 @@
#include <mach/pxa-regs.h>
#endif
-#define TIMER_FREQ CLOCK_TICK_RATE
#define RTC_DEF_DIVIDER 32768 - 1
#define RTC_DEF_TRIM 0
static unsigned long rtc_freq = 1024;
+static unsigned long timer_freq;
static struct rtc_time rtc_alarm;
static DEFINE_SPINLOCK(sa1100_rtc_lock);
@@ -157,7 +157,7 @@ static irqreturn_t timer1_interrupt(int irq, void *dev_id)
rtc_update_irq(rtc, rtc_timer1_count, RTC_PF | RTC_IRQF);
if (rtc_timer1_count == 1)
- rtc_timer1_count = (rtc_freq * ((1<<30)/(TIMER_FREQ>>2)));
+ rtc_timer1_count = (rtc_freq * ((1 << 30) / (timer_freq >> 2)));
return IRQ_HANDLED;
}
@@ -166,7 +166,7 @@ static int sa1100_rtc_read_callback(struct device *dev, int data)
{
if (data & RTC_PF) {
/* interpolate missed periods and set match for the next */
- unsigned long period = TIMER_FREQ/rtc_freq;
+ unsigned long period = timer_freq / rtc_freq;
unsigned long oscr = OSCR;
unsigned long osmr1 = OSMR1;
unsigned long missed = (oscr - osmr1)/period;
@@ -263,7 +263,7 @@ static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
return 0;
case RTC_PIE_ON:
spin_lock_irq(&sa1100_rtc_lock);
- OSMR1 = TIMER_FREQ/rtc_freq + OSCR;
+ OSMR1 = timer_freq / rtc_freq + OSCR;
OIER |= OIER_E1;
rtc_timer1_count = 1;
spin_unlock_irq(&sa1100_rtc_lock);
@@ -271,7 +271,7 @@ static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
case RTC_IRQP_READ:
return put_user(rtc_freq, (unsigned long *)arg);
case RTC_IRQP_SET:
- if (arg < 1 || arg > TIMER_FREQ)
+ if (arg < 1 || arg > timer_freq)
return -EINVAL;
rtc_freq = arg;
return 0;
@@ -352,6 +352,8 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
+ timer_freq = get_clock_tick_rate();
+
/*
* According to the manual we should be able to let RTTR be zero
* and then a default diviser for a 32.768KHz clock is used.
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 579d63a81aa2..b695ab3142d8 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -447,7 +447,7 @@ config SERIAL_CLPS711X_CONSOLE
config SERIAL_SAMSUNG
tristate "Samsung SoC serial support"
- depends on ARM && PLAT_S3C24XX
+ depends on ARM && PLAT_S3C
select SERIAL_CORE
help
Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
@@ -455,6 +455,16 @@ config SERIAL_SAMSUNG
provide all of these ports, depending on how the serial port
pins are configured.
+config SERIAL_SAMSUNG_UARTS
+ int
+ depends on SERIAL_SAMSUNG
+ default 2 if ARCH_S3C2400
+ default 4 if ARCH_S3C64XX || CPU_S3C2443
+ default 3
+ help
+ Select the number of available UART ports for the Samsung S3C
+ serial driver
+
config SERIAL_SAMSUNG_DEBUG
bool "Samsung SoC serial debug"
depends on SERIAL_SAMSUNG && DEBUG_LL
@@ -508,7 +518,20 @@ config SERIAL_S3C2440
help
Serial port support for the Samsung S3C2440 and S3C2442 SoC
+config SERIAL_S3C24A0
+ tristate "Samsung S3C24A0 Serial port support"
+ depends on SERIAL_SAMSUNG && CPU_S3C24A0
+ default y if CPU_S3C24A0
+ help
+ Serial port support for the Samsung S3C24A0 SoC
+config SERIAL_S3C6400
+ tristate "Samsung S3C6400/S3C6410 Serial port support"
+ depends on SERIAL_SAMSUNG && (CPU_S3C600 || CPU_S3C6410)
+ default y
+ help
+ Serial port support for the Samsung S3C6400 and S3C6410
+ SoCs
config SERIAL_DZ
bool "DECstation DZ serial driver"
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 0c17c8ddb19d..dfe775ac45b2 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -41,6 +41,8 @@ obj-$(CONFIG_SERIAL_S3C2400) += s3c2400.o
obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o
obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o
obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o
+obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o
+obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o
obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
obj-$(CONFIG_SERIAL_MUX) += mux.o
obj-$(CONFIG_SERIAL_68328) += 68328serial.o
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 71562689116f..e3a5ad5ef1d6 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -692,7 +692,7 @@ static int pl010_probe(struct amba_device *dev, void *id)
goto free;
}
- uap->clk = clk_get(&dev->dev, "UARTCLK");
+ uap->clk = clk_get(&dev->dev, NULL);
if (IS_ERR(uap->clk)) {
ret = PTR_ERR(uap->clk);
goto unmap;
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index b7180046f8db..8b2b9700f3e4 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -756,7 +756,7 @@ static int pl011_probe(struct amba_device *dev, void *id)
goto free;
}
- uap->clk = clk_get(&dev->dev, "UARTCLK");
+ uap->clk = clk_get(&dev->dev, NULL);
if (IS_ERR(uap->clk)) {
ret = PTR_ERR(uap->clk);
goto unmap;
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 3f90f1bbbbcd..a50954612b60 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -66,7 +66,7 @@
#define ONEMS 0xb0 /* One Millisecond register */
#define UTS 0xb4 /* UART Test Register */
#endif
-#ifdef CONFIG_ARCH_IMX
+#if defined(CONFIG_ARCH_IMX) || defined(CONFIG_ARCH_MX1)
#define BIPR1 0xb0 /* Incremental Preset Register 1 */
#define BIPR2 0xb4 /* Incremental Preset Register 2 */
#define BIPR3 0xb8 /* Incremental Preset Register 3 */
@@ -96,7 +96,7 @@
#define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */
#define UCR1_SNDBRK (1<<4) /* Send break */
#define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */
-#ifdef CONFIG_ARCH_IMX
+#if defined(CONFIG_ARCH_IMX) || defined(CONFIG_ARCH_MX1)
#define UCR1_UARTCLKEN (1<<2) /* UART clock enabled */
#endif
#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
@@ -187,11 +187,11 @@
#define MAX_INTERNAL_IRQ IMX_IRQS
#endif
-#if defined CONFIG_ARCH_MX3 || defined CONFIG_ARCH_MX2
+#ifdef CONFIG_ARCH_MXC
#define SERIAL_IMX_MAJOR 207
#define MINOR_START 16
#define DEV_NAME "ttymxc"
-#define MAX_INTERNAL_IRQ MXC_MAX_INT_LINES
+#define MAX_INTERNAL_IRQ MXC_INTERNAL_IRQS
#endif
/*
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index abc00be55433..f6e3b86bb0be 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -48,6 +48,7 @@
#include <mach/hardware.h>
#include <asm/irq.h>
#include <mach/pxa-regs.h>
+#include <mach/regs-uart.h>
struct uart_pxa_port {
@@ -766,7 +767,7 @@ static int serial_pxa_probe(struct platform_device *dev)
if (!sport)
return -ENOMEM;
- sport->clk = clk_get(&dev->dev, "UARTCLK");
+ sport->clk = clk_get(&dev->dev, NULL);
if (IS_ERR(sport->clk)) {
ret = PTR_ERR(sport->clk);
goto err_free;
diff --git a/drivers/serial/s3c24a0.c b/drivers/serial/s3c24a0.c
new file mode 100644
index 000000000000..ebf2fd3c8f7d
--- /dev/null
+++ b/drivers/serial/s3c24a0.c
@@ -0,0 +1,118 @@
+/* linux/drivers/serial/s3c24a0.c
+ *
+ * Driver for Samsung S3C24A0 SoC onboard UARTs.
+ *
+ * Based on drivers/serial/s3c2410.c
+ *
+ * Author: Sandeep Patil <sandeep.patil@azingo.com>
+ *
+ * Ben Dooks, Copyright (c) 2003-2005,2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+
+#include <mach/hardware.h>
+
+#include <plat/regs-serial.h>
+#include <mach/regs-gpio.h>
+
+#include "samsung.h"
+
+static int s3c24a0_serial_setsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ if (strcmp(clk->name, "uclk") == 0)
+ ucon |= S3C2410_UCON_UCLK;
+ else
+ ucon &= ~S3C2410_UCON_UCLK;
+
+ wr_regl(port, S3C2410_UCON, ucon);
+ return 0;
+}
+
+static int s3c24a0_serial_getsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ clk->divisor = 1;
+ clk->name = (ucon & S3C2410_UCON_UCLK) ? "uclk" : "pclk";
+
+ return 0;
+}
+
+static int s3c24a0_serial_resetport(struct uart_port *port,
+ struct s3c2410_uartcfg *cfg)
+{
+ dbg("s3c24a0_serial_resetport: port=%p (%08lx), cfg=%p\n",
+ port, port->mapbase, cfg);
+
+ wr_regl(port, S3C2410_UCON, cfg->ucon);
+ wr_regl(port, S3C2410_ULCON, cfg->ulcon);
+
+ /* reset both fifos */
+
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon);
+
+ return 0;
+}
+
+static struct s3c24xx_uart_info s3c24a0_uart_inf = {
+ .name = "Samsung S3C24A0 UART",
+ .type = PORT_S3C2410,
+ .fifosize = 16,
+ .rx_fifomask = S3C24A0_UFSTAT_RXMASK,
+ .rx_fifoshift = S3C24A0_UFSTAT_RXSHIFT,
+ .rx_fifofull = S3C24A0_UFSTAT_RXFULL,
+ .tx_fifofull = S3C24A0_UFSTAT_TXFULL,
+ .tx_fifomask = S3C24A0_UFSTAT_TXMASK,
+ .tx_fifoshift = S3C24A0_UFSTAT_TXSHIFT,
+ .get_clksrc = s3c24a0_serial_getsource,
+ .set_clksrc = s3c24a0_serial_setsource,
+ .reset_port = s3c24a0_serial_resetport,
+};
+
+static int s3c24a0_serial_probe(struct platform_device *dev)
+{
+ return s3c24xx_serial_probe(dev, &s3c24a0_uart_inf);
+}
+
+static struct platform_driver s3c24a0_serial_drv = {
+ .probe = s3c24a0_serial_probe,
+ .remove = s3c24xx_serial_remove,
+ .driver = {
+ .name = "s3c24a0-uart",
+ .owner = THIS_MODULE,
+ },
+};
+
+s3c24xx_console_init(&s3c24a0_serial_drv, &s3c24a0_uart_inf);
+
+static int __init s3c24a0_serial_init(void)
+{
+ return s3c24xx_serial_init(&s3c24a0_serial_drv, &s3c24a0_uart_inf);
+}
+
+static void __exit s3c24a0_serial_exit(void)
+{
+ platform_driver_unregister(&s3c24a0_serial_drv);
+}
+
+module_init(s3c24a0_serial_init);
+module_exit(s3c24a0_serial_exit);
+
diff --git a/drivers/serial/s3c6400.c b/drivers/serial/s3c6400.c
new file mode 100644
index 000000000000..06936d13393f
--- /dev/null
+++ b/drivers/serial/s3c6400.c
@@ -0,0 +1,151 @@
+/* linux/drivers/serial/s3c6400.c
+ *
+ * Driver for Samsung S3C6400 and S3C6410 SoC onboard UARTs.
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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/ioport.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+
+#include <asm/irq.h>
+#include <mach/hardware.h>
+
+#include <plat/regs-serial.h>
+
+#include "samsung.h"
+
+static int s3c6400_serial_setsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ if (strcmp(clk->name, "uclk0") == 0) {
+ ucon &= ~S3C6400_UCON_CLKMASK;
+ ucon |= S3C6400_UCON_UCLK0;
+ } else if (strcmp(clk->name, "uclk1") == 0)
+ ucon |= S3C6400_UCON_UCLK1;
+ else if (strcmp(clk->name, "pclk") == 0) {
+ /* See notes about transitioning from UCLK to PCLK */
+ ucon &= ~S3C6400_UCON_UCLK0;
+ } else {
+ printk(KERN_ERR "unknown clock source %s\n", clk->name);
+ return -EINVAL;
+ }
+
+ wr_regl(port, S3C2410_UCON, ucon);
+ return 0;
+}
+
+
+static int s3c6400_serial_getsource(struct uart_port *port,
+ struct s3c24xx_uart_clksrc *clk)
+{
+ u32 ucon = rd_regl(port, S3C2410_UCON);
+
+ clk->divisor = 1;
+
+ switch (ucon & S3C6400_UCON_CLKMASK) {
+ case S3C6400_UCON_UCLK0:
+ clk->name = "uclk0";
+ break;
+
+ case S3C6400_UCON_UCLK1:
+ clk->name = "uclk1";
+ break;
+
+ case S3C6400_UCON_PCLK:
+ case S3C6400_UCON_PCLK2:
+ clk->name = "pclk";
+ break;
+ }
+
+ return 0;
+}
+
+static int s3c6400_serial_resetport(struct uart_port *port,
+ struct s3c2410_uartcfg *cfg)
+{
+ unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+ dbg("s3c6400_serial_resetport: port=%p (%08lx), cfg=%p\n",
+ port, port->mapbase, cfg);
+
+ /* ensure we don't change the clock settings... */
+
+ ucon &= S3C6400_UCON_CLKMASK;
+
+ wr_regl(port, S3C2410_UCON, ucon | cfg->ucon);
+ wr_regl(port, S3C2410_ULCON, cfg->ulcon);
+
+ /* reset both fifos */
+
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
+ wr_regl(port, S3C2410_UFCON, cfg->ufcon);
+
+ return 0;
+}
+
+static struct s3c24xx_uart_info s3c6400_uart_inf = {
+ .name = "Samsung S3C6400 UART",
+ .type = PORT_S3C6400,
+ .fifosize = 64,
+ .rx_fifomask = S3C2440_UFSTAT_RXMASK,
+ .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT,
+ .rx_fifofull = S3C2440_UFSTAT_RXFULL,
+ .tx_fifofull = S3C2440_UFSTAT_TXFULL,
+ .tx_fifomask = S3C2440_UFSTAT_TXMASK,
+ .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT,
+ .get_clksrc = s3c6400_serial_getsource,
+ .set_clksrc = s3c6400_serial_setsource,
+ .reset_port = s3c6400_serial_resetport,
+};
+
+/* device management */
+
+static int s3c6400_serial_probe(struct platform_device *dev)
+{
+ dbg("s3c6400_serial_probe: dev=%p\n", dev);
+ return s3c24xx_serial_probe(dev, &s3c6400_uart_inf);
+}
+
+static struct platform_driver s3c6400_serial_drv = {
+ .probe = s3c6400_serial_probe,
+ .remove = s3c24xx_serial_remove,
+ .driver = {
+ .name = "s3c6400-uart",
+ .owner = THIS_MODULE,
+ },
+};
+
+s3c24xx_console_init(&s3c6400_serial_drv, &s3c6400_uart_inf);
+
+static int __init s3c6400_serial_init(void)
+{
+ return s3c24xx_serial_init(&s3c6400_serial_drv, &s3c6400_uart_inf);
+}
+
+static void __exit s3c6400_serial_exit(void)
+{
+ platform_driver_unregister(&s3c6400_serial_drv);
+}
+
+module_init(s3c6400_serial_init);
+module_exit(s3c6400_serial_exit);
+
+MODULE_DESCRIPTION("Samsung S3C6400,S3C6410 SoC Serial port driver");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:s3c6400-uart");
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index 1e219d3d0352..41ac94872b8d 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -42,13 +42,14 @@
#include <linux/serial.h>
#include <linux/delay.h>
#include <linux/clk.h>
+#include <linux/cpufreq.h>
#include <asm/irq.h>
#include <mach/hardware.h>
+#include <mach/map.h>
#include <plat/regs-serial.h>
-#include <mach/regs-gpio.h>
#include "samsung.h"
@@ -58,19 +59,6 @@
#define S3C24XX_SERIAL_MAJOR 204
#define S3C24XX_SERIAL_MINOR 64
-/* we can support 3 uarts, but not always use them */
-
-#ifdef CONFIG_CPU_S3C2400
-#define NR_PORTS (2)
-#else
-#define NR_PORTS (3)
-#endif
-
-/* port irq numbers */
-
-#define TX_IRQ(port) ((port)->irq + 1)
-#define RX_IRQ(port) ((port)->irq)
-
/* macros to change one thing to another */
#define tx_enabled(port) ((port)->unused[0])
@@ -136,8 +124,10 @@ static void s3c24xx_serial_rx_disable(struct uart_port *port)
static void s3c24xx_serial_stop_tx(struct uart_port *port)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
+
if (tx_enabled(port)) {
- disable_irq(TX_IRQ(port));
+ disable_irq(ourport->tx_irq);
tx_enabled(port) = 0;
if (port->flags & UPF_CONS_FLOW)
s3c24xx_serial_rx_enable(port);
@@ -146,11 +136,13 @@ static void s3c24xx_serial_stop_tx(struct uart_port *port)
static void s3c24xx_serial_start_tx(struct uart_port *port)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
+
if (!tx_enabled(port)) {
if (port->flags & UPF_CONS_FLOW)
s3c24xx_serial_rx_disable(port);
- enable_irq(TX_IRQ(port));
+ enable_irq(ourport->tx_irq);
tx_enabled(port) = 1;
}
}
@@ -158,9 +150,11 @@ static void s3c24xx_serial_start_tx(struct uart_port *port)
static void s3c24xx_serial_stop_rx(struct uart_port *port)
{
+ struct s3c24xx_uart_port *ourport = to_ourport(port);
+
if (rx_enabled(port)) {
dbg("s3c24xx_serial_stop_rx: port=%p\n", port);
- disable_irq(RX_IRQ(port));
+ disable_irq(ourport->rx_irq);
rx_enabled(port) = 0;
}
}
@@ -384,13 +378,13 @@ static void s3c24xx_serial_shutdown(struct uart_port *port)
struct s3c24xx_uart_port *ourport = to_ourport(port);
if (ourport->tx_claimed) {
- free_irq(TX_IRQ(port), ourport);
+ free_irq(ourport->tx_irq, ourport);
tx_enabled(port) = 0;
ourport->tx_claimed = 0;
}
if (ourport->rx_claimed) {
- free_irq(RX_IRQ(port), ourport);
+ free_irq(ourport->rx_irq, ourport);
ourport->rx_claimed = 0;
rx_enabled(port) = 0;
}
@@ -407,12 +401,11 @@ static int s3c24xx_serial_startup(struct uart_port *port)
rx_enabled(port) = 1;
- ret = request_irq(RX_IRQ(port),
- s3c24xx_serial_rx_chars, 0,
+ ret = request_irq(ourport->rx_irq, s3c24xx_serial_rx_chars, 0,
s3c24xx_serial_portname(port), ourport);
if (ret != 0) {
- printk(KERN_ERR "cannot get irq %d\n", RX_IRQ(port));
+ printk(KERN_ERR "cannot get irq %d\n", ourport->rx_irq);
return ret;
}
@@ -422,12 +415,11 @@ static int s3c24xx_serial_startup(struct uart_port *port)
tx_enabled(port) = 1;
- ret = request_irq(TX_IRQ(port),
- s3c24xx_serial_tx_chars, 0,
+ ret = request_irq(ourport->tx_irq, s3c24xx_serial_tx_chars, 0,
s3c24xx_serial_portname(port), ourport);
if (ret) {
- printk(KERN_ERR "cannot get irq %d\n", TX_IRQ(port));
+ printk(KERN_ERR "cannot get irq %d\n", ourport->tx_irq);
goto err;
}
@@ -452,6 +444,8 @@ static void s3c24xx_serial_pm(struct uart_port *port, unsigned int level,
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
+ ourport->pm_level = level;
+
switch (level) {
case 3:
if (!IS_ERR(ourport->baudclk) && ourport->baudclk != NULL)
@@ -661,6 +655,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
ourport->clksrc = clksrc;
ourport->baudclk = clk;
+ ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0;
}
switch (termios->c_cflag & CSIZE) {
@@ -752,6 +747,8 @@ static const char *s3c24xx_serial_type(struct uart_port *port)
return "S3C2440";
case PORT_S3C2412:
return "S3C2412";
+ case PORT_S3C6400:
+ return "S3C6400/10";
default:
return NULL;
}
@@ -827,14 +824,14 @@ static struct uart_ops s3c24xx_serial_ops = {
static struct uart_driver s3c24xx_uart_drv = {
.owner = THIS_MODULE,
.dev_name = "s3c2410_serial",
- .nr = 3,
+ .nr = CONFIG_SERIAL_SAMSUNG_UARTS,
.cons = S3C24XX_SERIAL_CONSOLE,
.driver_name = S3C24XX_SERIAL_NAME,
.major = S3C24XX_SERIAL_MAJOR,
.minor = S3C24XX_SERIAL_MINOR,
};
-static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = {
+static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS] = {
[0] = {
.port = {
.lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[0].port.lock),
@@ -859,7 +856,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = {
.line = 1,
}
},
-#if NR_PORTS > 2
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 2
[2] = {
.port = {
@@ -872,6 +869,20 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = {
.flags = UPF_BOOT_AUTOCONF,
.line = 2,
}
+ },
+#endif
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 3
+ [3] = {
+ .port = {
+ .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[3].port.lock),
+ .iotype = UPIO_MEM,
+ .irq = IRQ_S3CUART_RX3,
+ .uartclk = 0,
+ .fifosize = 16,
+ .ops = &s3c24xx_serial_ops,
+ .flags = UPF_BOOT_AUTOCONF,
+ .line = 3,
+ }
}
#endif
};
@@ -890,6 +901,89 @@ static inline int s3c24xx_serial_resetport(struct uart_port *port,
return (info->reset_port)(port, cfg);
}
+
+#ifdef CONFIG_CPU_FREQ
+
+static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ struct s3c24xx_uart_port *port;
+ struct uart_port *uport;
+
+ port = container_of(nb, struct s3c24xx_uart_port, freq_transition);
+ uport = &port->port;
+
+ /* check to see if port is enabled */
+
+ if (port->pm_level != 0)
+ return 0;
+
+ /* try and work out if the baudrate is changing, we can detect
+ * a change in rate, but we do not have support for detecting
+ * a disturbance in the clock-rate over the change.
+ */
+
+ if (IS_ERR(port->clk))
+ goto exit;
+
+ if (port->baudclk_rate == clk_get_rate(port->clk))
+ goto exit;
+
+ if (val == CPUFREQ_PRECHANGE) {
+ /* we should really shut the port down whilst the
+ * frequency change is in progress. */
+
+ } else if (val == CPUFREQ_POSTCHANGE) {
+ struct ktermios *termios;
+ struct tty_struct *tty;
+
+ if (uport->info == NULL)
+ goto exit;
+
+ tty = uport->info->port.tty;
+
+ if (tty == NULL)
+ goto exit;
+
+ termios = tty->termios;
+
+ if (termios == NULL) {
+ printk(KERN_WARNING "%s: no termios?\n", __func__);
+ goto exit;
+ }
+
+ s3c24xx_serial_set_termios(uport, termios, NULL);
+ }
+
+ exit:
+ return 0;
+}
+
+static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
+{
+ port->freq_transition.notifier_call = s3c24xx_serial_cpufreq_transition;
+
+ return cpufreq_register_notifier(&port->freq_transition,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+static inline void s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
+{
+ cpufreq_unregister_notifier(&port->freq_transition,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+#else
+static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
+{
+ return 0;
+}
+
+static inline void s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
+{
+}
+#endif
+
/* s3c24xx_serial_init_port
*
* initialise a single serial port from the platform device given
@@ -914,8 +1008,11 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
if (port->mapbase != 0)
return 0;
- if (cfg->hwport > 3)
- return -EINVAL;
+ if (cfg->hwport > CONFIG_SERIAL_SAMSUNG_UARTS) {
+ printk(KERN_ERR "%s: port %d bigger than %d\n", __func__,
+ cfg->hwport, CONFIG_SERIAL_SAMSUNG_UARTS);
+ return -ERANGE;
+ }
/* setup info for port */
port->dev = &platdev->dev;
@@ -943,18 +1040,26 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
- port->mapbase = res->start;
- port->membase = S3C24XX_VA_UART + (res->start - S3C24XX_PA_UART);
+ port->mapbase = res->start;
+ port->membase = S3C_VA_UART + res->start - (S3C_PA_UART & 0xfff00000);
ret = platform_get_irq(platdev, 0);
if (ret < 0)
port->irq = 0;
- else
+ else {
port->irq = ret;
+ ourport->rx_irq = ret;
+ ourport->tx_irq = ret + 1;
+ }
+
+ ret = platform_get_irq(platdev, 1);
+ if (ret > 0)
+ ourport->tx_irq = ret;
ourport->clk = clk_get(&platdev->dev, "uart");
- dbg("port: map=%08x, mem=%08x, irq=%d, clock=%ld\n",
- port->mapbase, port->membase, port->irq, port->uartclk);
+ dbg("port: map=%08x, mem=%08x, irq=%d (%d,%d), clock=%ld\n",
+ port->mapbase, port->membase, port->irq,
+ ourport->rx_irq, ourport->tx_irq, port->uartclk);
/* reset the fifos (and setup the uart) */
s3c24xx_serial_resetport(port, cfg);
@@ -1002,6 +1107,10 @@ int s3c24xx_serial_probe(struct platform_device *dev,
if (ret < 0)
printk(KERN_ERR "%s: failed to add clksrc attr.\n", __func__);
+ ret = s3c24xx_serial_cpufreq_register(ourport);
+ if (ret < 0)
+ dev_err(&dev->dev, "failed to add cpufreq notifier\n");
+
return 0;
probe_err:
@@ -1015,6 +1124,7 @@ int s3c24xx_serial_remove(struct platform_device *dev)
struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
if (port) {
+ s3c24xx_serial_cpufreq_deregister(to_ourport(port));
device_remove_file(&dev->dev, &dev_attr_clock_source);
uart_remove_one_port(&s3c24xx_uart_drv, port);
}
@@ -1219,7 +1329,7 @@ static int s3c24xx_serial_init_ports(struct s3c24xx_uart_info *info)
platdev_ptr = s3c24xx_uart_devs;
- for (i = 0; i < NR_PORTS; i++, ptr++, platdev_ptr++) {
+ for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++, ptr++, platdev_ptr++) {
s3c24xx_serial_init_port(ptr, info, *platdev_ptr);
}
@@ -1240,7 +1350,7 @@ s3c24xx_serial_console_setup(struct console *co, char *options)
/* is this a valid port */
- if (co->index == -1 || co->index >= NR_PORTS)
+ if (co->index == -1 || co->index >= CONFIG_SERIAL_SAMSUNG_UARTS)
co->index = 0;
port = &s3c24xx_serial_ports[co->index].port;
diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h
index 5c92ebbe7d9e..571d6b90d206 100644
--- a/drivers/serial/samsung.h
+++ b/drivers/serial/samsung.h
@@ -33,12 +33,21 @@ struct s3c24xx_uart_info {
struct s3c24xx_uart_port {
unsigned char rx_claimed;
unsigned char tx_claimed;
+ unsigned int pm_level;
+ unsigned long baudclk_rate;
+
+ unsigned int rx_irq;
+ unsigned int tx_irq;
struct s3c24xx_uart_info *info;
struct s3c24xx_uart_clksrc *clksrc;
struct clk *clk;
struct clk *baudclk;
struct uart_port port;
+
+#ifdef CONFIG_CPU_FREQ
+ struct notifier_block freq_transition;
+#endif
};
/* conversion functions */
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 61dc8b3daa26..a7bf024a8286 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -41,9 +41,10 @@
#include <linux/tty_flip.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
+#include <linux/io.h>
-#include <asm/io.h>
#include <asm/irq.h>
+#include <mach/hardware.h>
#define DEV_MAJOR 204
#define DEV_MINOR 16
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index cf12f2d84be2..6104f461a3cd 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -32,8 +32,8 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/delay.h>
-#include <asm/dma.h>
+#include <mach/dma.h>
#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#include <mach/regs-ssp.h>
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index c252cbac00f1..256d18395a23 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -28,7 +28,7 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c24xx/regs-spi.h>
+#include <plat/regs-spi.h>
#include <mach/spi.h>
struct s3c24xx_spi {
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 2dbc0db0b46c..8c5026be79d4 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -2145,7 +2145,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
if (irq < 0)
return -ENODEV;
- dev->clk = clk_get(&pdev->dev, "UDCCLK");
+ dev->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(dev->clk)) {
retval = PTR_ERR(dev->clk);
goto err_clk;
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index caa37c95802c..944e4ff641df 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -2226,7 +2226,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev)
udc->dev = &pdev->dev;
udc->mach = pdev->dev.platform_data;
- udc->clk = clk_get(&pdev->dev, "UDCCLK");
+ udc->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(udc->clk)) {
retval = PTR_ERR(udc->clk);
goto err_clk;
diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 00ba06b44752..8d8d65165983 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -53,8 +53,8 @@
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
-#include <asm/plat-s3c24xx/regs-udc.h>
-#include <asm/plat-s3c24xx/udc.h>
+#include <plat/regs-udc.h>
+#include <plat/udc.h>
#include "s3c2410_udc.h"
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 5416cf969005..9d487908012e 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -33,8 +33,9 @@
/*
* Implement Orion USB controller specification guidelines
*/
-static void orion_usb_setup(struct usb_hcd *hcd)
+static void orion_usb_phy_v1_setup(struct usb_hcd *hcd)
{
+ /* The below GLs are according to the Orion Errata document */
/*
* Clear interrupt cause and mask
*/
@@ -258,9 +259,19 @@ static int __init ehci_orion_drv_probe(struct platform_device *pdev)
ehci_orion_conf_mbus_windows(hcd, pd->dram);
/*
- * setup Orion USB controller
+ * setup Orion USB controller.
*/
- orion_usb_setup(hcd);
+ switch (pd->phy_version) {
+ case EHCI_PHY_NA: /* dont change USB phy settings */
+ break;
+ case EHCI_PHY_ORION:
+ orion_usb_phy_v1_setup(hcd);
+ break;
+ case EHCI_PHY_DD:
+ case EHCI_PHY_KW:
+ default:
+ printk(KERN_WARNING "Orion ehci -USB phy version isn't supported.\n");
+ }
err = usb_add_hcd(hcd, irq, IRQF_SHARED | IRQF_DISABLED);
if (err)
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 91697bdb399f..4bbddb73abd9 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -18,6 +18,7 @@
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/io.h>
@@ -25,7 +26,6 @@
#include <mach/mux.h>
#include <mach/irqs.h>
-#include <mach/gpio.h>
#include <mach/fpga.h>
#include <mach/usb.h>
@@ -254,8 +254,8 @@ static int ohci_omap_init(struct usb_hcd *hcd)
/* gpio9 for overcurrent detction */
omap_cfg_reg(W8_1610_GPIO9);
- omap_request_gpio(9);
- omap_set_gpio_direction(9, 1 /* IN */);
+ gpio_request(9, "OHCI overcurrent");
+ gpio_direction_input(9);
/* for paranoia's sake: disable USB.PUEN */
omap_cfg_reg(W4_USB_HIGHZ);
@@ -407,7 +407,7 @@ usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
put_device(ohci->transceiver->dev);
}
if (machine_is_omap_osk())
- omap_free_gpio(9);
+ gpio_free(9);
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index e294d430733b..e44dc2cbca24 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -296,7 +296,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
return -ENXIO;
}
- usb_clk = clk_get(&pdev->dev, "USBCLK");
+ usb_clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(usb_clk))
return PTR_ERR(usb_clk);
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index d0c821992a99..6372f8b17b45 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -362,7 +362,7 @@ endchoice
config FB_ACORN
bool "Acorn VIDC support"
- depends on (FB = y) && ARM && (ARCH_ACORN || ARCH_CLPS7500)
+ depends on (FB = y) && ARM && ARCH_ACORN
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
@@ -1817,6 +1817,11 @@ config FB_PXA
If unsure, say N.
+config FB_PXA_OVERLAY
+ bool "Support PXA27x/PXA3xx Overlay(s) as framebuffer"
+ default n
+ depends on FB_PXA && (PXA27x || PXA3xx)
+
config FB_PXA_SMARTPANEL
bool "PXA Smartpanel LCD support"
default n
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index a7a1c891bfa2..2ac52fd8cc11 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -343,14 +343,14 @@ static int clcdfb_register(struct clcd_fb *fb)
{
int ret;
- fb->clk = clk_get(&fb->dev->dev, "CLCDCLK");
+ fb->clk = clk_get(&fb->dev->dev, NULL);
if (IS_ERR(fb->clk)) {
ret = PTR_ERR(fb->clk);
goto out;
}
fb->fb.fix.mmio_start = fb->dev->res.start;
- fb->fb.fix.mmio_len = SZ_4K;
+ fb->fb.fix.mmio_len = 4096;
fb->regs = ioremap(fb->fb.fix.mmio_start, fb->fb.fix.mmio_len);
if (!fb->regs) {
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index ccd986140c95..d58c68cd456e 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -1,6 +1,4 @@
/*
- * linux/drivers/video/imxfb.c
- *
* Freescale i.MX Frame Buffer device driver
*
* Copyright (C) 2004 Sascha Hauer, Pengutronix
@@ -16,7 +14,6 @@
* linux-arm-kernel@lists.arm.linux.org.uk
*/
-//#define DEBUG 1
#include <linux/module.h>
#include <linux/kernel.h>
@@ -32,9 +29,8 @@
#include <linux/cpufreq.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/io.h>
#include <mach/imxfb.h>
/*
@@ -42,23 +38,150 @@
*/
#define DEBUG_VAR 1
-#include "imxfb.h"
+#define DRIVER_NAME "imx-fb"
+
+#define LCDC_SSA 0x00
+
+#define LCDC_SIZE 0x04
+#define SIZE_XMAX(x) ((((x) >> 4) & 0x3f) << 20)
+#define SIZE_YMAX(y) ((y) & 0x1ff)
+
+#define LCDC_VPW 0x08
+#define VPW_VPW(x) ((x) & 0x3ff)
+
+#define LCDC_CPOS 0x0C
+#define CPOS_CC1 (1<<31)
+#define CPOS_CC0 (1<<30)
+#define CPOS_OP (1<<28)
+#define CPOS_CXP(x) (((x) & 3ff) << 16)
+#define CPOS_CYP(y) ((y) & 0x1ff)
+
+#define LCDC_LCWHB 0x10
+#define LCWHB_BK_EN (1<<31)
+#define LCWHB_CW(w) (((w) & 0x1f) << 24)
+#define LCWHB_CH(h) (((h) & 0x1f) << 16)
+#define LCWHB_BD(x) ((x) & 0xff)
+
+#define LCDC_LCHCC 0x14
+#define LCHCC_CUR_COL_R(r) (((r) & 0x1f) << 11)
+#define LCHCC_CUR_COL_G(g) (((g) & 0x3f) << 5)
+#define LCHCC_CUR_COL_B(b) ((b) & 0x1f)
+
+#define LCDC_PCR 0x18
+
+#define LCDC_HCR 0x1C
+#define HCR_H_WIDTH(x) (((x) & 0x3f) << 26)
+#define HCR_H_WAIT_1(x) (((x) & 0xff) << 8)
+#define HCR_H_WAIT_2(x) ((x) & 0xff)
+
+#define LCDC_VCR 0x20
+#define VCR_V_WIDTH(x) (((x) & 0x3f) << 26)
+#define VCR_V_WAIT_1(x) (((x) & 0xff) << 8)
+#define VCR_V_WAIT_2(x) ((x) & 0xff)
+
+#define LCDC_POS 0x24
+#define POS_POS(x) ((x) & 1f)
+
+#define LCDC_LSCR1 0x28
+/* bit fields in imxfb.h */
+
+#define LCDC_PWMR 0x2C
+/* bit fields in imxfb.h */
+
+#define LCDC_DMACR 0x30
+/* bit fields in imxfb.h */
+
+#define LCDC_RMCR 0x34
+#define RMCR_LCDC_EN (1<<1)
+#define RMCR_SELF_REF (1<<0)
+
+#define LCDC_LCDICR 0x38
+#define LCDICR_INT_SYN (1<<2)
+#define LCDICR_INT_CON (1)
+
+#define LCDC_LCDISR 0x40
+#define LCDISR_UDR_ERR (1<<3)
+#define LCDISR_ERR_RES (1<<2)
+#define LCDISR_EOF (1<<1)
+#define LCDISR_BOF (1<<0)
+
+/*
+ * These are the bitfields for each
+ * display depth that we support.
+ */
+struct imxfb_rgb {
+ struct fb_bitfield red;
+ struct fb_bitfield green;
+ struct fb_bitfield blue;
+ struct fb_bitfield transp;
+};
+
+struct imxfb_info {
+ struct platform_device *pdev;
+ void __iomem *regs;
-static struct imxfb_rgb def_rgb_16 = {
- .red = { .offset = 8, .length = 4, },
- .green = { .offset = 4, .length = 4, },
- .blue = { .offset = 0, .length = 4, },
- .transp = { .offset = 0, .length = 0, },
+ u_int max_bpp;
+ u_int max_xres;
+ u_int max_yres;
+
+ /*
+ * These are the addresses we mapped
+ * the framebuffer memory region to.
+ */
+ dma_addr_t map_dma;
+ u_char *map_cpu;
+ u_int map_size;
+
+ u_char *screen_cpu;
+ dma_addr_t screen_dma;
+ u_int palette_size;
+
+ dma_addr_t dbar1;
+ dma_addr_t dbar2;
+
+ u_int pcr;
+ u_int pwmr;
+ u_int lscr1;
+ u_int dmacr;
+ u_int cmap_inverse:1,
+ cmap_static:1,
+ unused:30;
+
+ void (*lcd_power)(int);
+ void (*backlight_power)(int);
+};
+
+#define IMX_NAME "IMX"
+
+/*
+ * Minimum X and Y resolutions
+ */
+#define MIN_XRES 64
+#define MIN_YRES 64
+
+static struct imxfb_rgb def_rgb_16_tft = {
+ .red = {.offset = 11, .length = 5,},
+ .green = {.offset = 5, .length = 6,},
+ .blue = {.offset = 0, .length = 5,},
+ .transp = {.offset = 0, .length = 0,},
+};
+
+static struct imxfb_rgb def_rgb_16_stn = {
+ .red = {.offset = 8, .length = 4,},
+ .green = {.offset = 4, .length = 4,},
+ .blue = {.offset = 0, .length = 4,},
+ .transp = {.offset = 0, .length = 0,},
};
static struct imxfb_rgb def_rgb_8 = {
- .red = { .offset = 0, .length = 8, },
- .green = { .offset = 0, .length = 8, },
- .blue = { .offset = 0, .length = 8, },
- .transp = { .offset = 0, .length = 0, },
+ .red = {.offset = 0, .length = 8,},
+ .green = {.offset = 0, .length = 8,},
+ .blue = {.offset = 0, .length = 8,},
+ .transp = {.offset = 0, .length = 0,},
};
-static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *info);
+static int imxfb_activate_var(struct fb_var_screeninfo *var,
+ struct fb_info *info);
static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
{
@@ -67,10 +190,8 @@ static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
return chan << bf->offset;
}
-#define LCDC_PALETTE(x) __REG2(IMX_LCDC_BASE+0x800, (x)<<2)
-static int
-imxfb_setpalettereg(u_int regno, u_int red, u_int green, u_int blue,
- u_int trans, struct fb_info *info)
+static int imxfb_setpalettereg(u_int regno, u_int red, u_int green, u_int blue,
+ u_int trans, struct fb_info *info)
{
struct imxfb_info *fbi = info->par;
u_int val, ret = 1;
@@ -81,14 +202,13 @@ imxfb_setpalettereg(u_int regno, u_int red, u_int green, u_int blue,
(CNVT_TOHW(green,4) << 4) |
CNVT_TOHW(blue, 4);
- LCDC_PALETTE(regno) = val;
+ writel(val, fbi->regs + 0x800 + (regno << 2));
ret = 0;
}
return ret;
}
-static int
-imxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
+static int imxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int trans, struct fb_info *info)
{
struct imxfb_info *fbi = info->par;
@@ -148,11 +268,10 @@ imxfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
* yres, xres_virtual, yres_virtual, xoffset, yoffset, grayscale,
* bitfields, horizontal timing, vertical timing.
*/
-static int
-imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct imxfb_info *fbi = info->par;
- int rgbidx;
+ struct imxfb_rgb *rgb;
if (var->xres < MIN_XRES)
var->xres = MIN_XRES;
@@ -168,23 +287,25 @@ imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
pr_debug("var->bits_per_pixel=%d\n", var->bits_per_pixel);
switch (var->bits_per_pixel) {
case 16:
- rgbidx = RGB_16;
+ default:
+ if (readl(fbi->regs + LCDC_PCR) & PCR_TFT)
+ rgb = &def_rgb_16_tft;
+ else
+ rgb = &def_rgb_16_stn;
break;
case 8:
- rgbidx = RGB_8;
+ rgb = &def_rgb_8;
break;
- default:
- rgbidx = RGB_16;
}
/*
* Copy the RGB parameters for this display
* from the machine specific parameters.
*/
- var->red = fbi->rgb[rgbidx]->red;
- var->green = fbi->rgb[rgbidx]->green;
- var->blue = fbi->rgb[rgbidx]->blue;
- var->transp = fbi->rgb[rgbidx]->transp;
+ var->red = rgb->red;
+ var->green = rgb->green;
+ var->blue = rgb->blue;
+ var->transp = rgb->transp;
pr_debug("RGBT length = %d:%d:%d:%d\n",
var->red.length, var->green.length, var->blue.length,
@@ -221,8 +342,7 @@ static int imxfb_set_par(struct fb_info *info)
info->fix.visual = FB_VISUAL_STATIC_PSEUDOCOLOR;
}
- info->fix.line_length = var->xres_virtual *
- var->bits_per_pixel / 8;
+ info->fix.line_length = var->xres_virtual * var->bits_per_pixel / 8;
fbi->palette_size = var->bits_per_pixel == 8 ? 256 : 16;
imxfb_activate_var(var, info);
@@ -235,22 +355,27 @@ static void imxfb_enable_controller(struct imxfb_info *fbi)
pr_debug("Enabling LCD controller\n");
/* initialize LCDC */
- LCDC_RMCR &= ~RMCR_LCDC_EN; /* just to be safe... */
+ writel(readl(fbi->regs + LCDC_RMCR) & ~RMCR_LCDC_EN,
+ fbi->regs + LCDC_RMCR); /* just to be safe... */
+
+ writel(fbi->screen_dma, fbi->regs + LCDC_SSA);
- LCDC_SSA = fbi->screen_dma;
/* physical screen start address */
- LCDC_VPW = VPW_VPW(fbi->max_xres * fbi->max_bpp / 8 / 4);
+ writel(VPW_VPW(fbi->max_xres * fbi->max_bpp / 8 / 4),
+ fbi->regs + LCDC_VPW);
- LCDC_POS = 0x00000000; /* panning offset 0 (0 pixel offset) */
+ /* panning offset 0 (0 pixel offset) */
+ writel(0x00000000, fbi->regs + LCDC_POS);
/* disable hardware cursor */
- LCDC_CPOS &= ~(CPOS_CC0 | CPOS_CC1);
+ writel(readl(fbi->regs + LCDC_CPOS) & ~(CPOS_CC0 | CPOS_CC1),
+ fbi->regs + LCDC_CPOS);
- LCDC_RMCR = RMCR_LCDC_EN;
+ writel(RMCR_LCDC_EN, fbi->regs + LCDC_RMCR);
- if(fbi->backlight_power)
+ if (fbi->backlight_power)
fbi->backlight_power(1);
- if(fbi->lcd_power)
+ if (fbi->lcd_power)
fbi->lcd_power(1);
}
@@ -258,12 +383,12 @@ static void imxfb_disable_controller(struct imxfb_info *fbi)
{
pr_debug("Disabling LCD controller\n");
- if(fbi->backlight_power)
+ if (fbi->backlight_power)
fbi->backlight_power(0);
- if(fbi->lcd_power)
+ if (fbi->lcd_power)
fbi->lcd_power(0);
- LCDC_RMCR = 0;
+ writel(0, fbi->regs + LCDC_RMCR);
}
static int imxfb_blank(int blank, struct fb_info *info)
@@ -340,74 +465,26 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
info->fix.id, var->lower_margin);
#endif
- LCDC_HCR = HCR_H_WIDTH(var->hsync_len) |
- HCR_H_WAIT_1(var->left_margin) |
- HCR_H_WAIT_2(var->right_margin);
+ writel(HCR_H_WIDTH(var->hsync_len) |
+ HCR_H_WAIT_1(var->right_margin) |
+ HCR_H_WAIT_2(var->left_margin),
+ fbi->regs + LCDC_HCR);
- LCDC_VCR = VCR_V_WIDTH(var->vsync_len) |
- VCR_V_WAIT_1(var->upper_margin) |
- VCR_V_WAIT_2(var->lower_margin);
+ writel(VCR_V_WIDTH(var->vsync_len) |
+ VCR_V_WAIT_1(var->lower_margin) |
+ VCR_V_WAIT_2(var->upper_margin),
+ fbi->regs + LCDC_VCR);
- LCDC_SIZE = SIZE_XMAX(var->xres) | SIZE_YMAX(var->yres);
- LCDC_PCR = fbi->pcr;
- LCDC_PWMR = fbi->pwmr;
- LCDC_LSCR1 = fbi->lscr1;
- LCDC_DMACR = fbi->dmacr;
+ writel(SIZE_XMAX(var->xres) | SIZE_YMAX(var->yres),
+ fbi->regs + LCDC_SIZE);
+ writel(fbi->pcr, fbi->regs + LCDC_PCR);
+ writel(fbi->pwmr, fbi->regs + LCDC_PWMR);
+ writel(fbi->lscr1, fbi->regs + LCDC_LSCR1);
+ writel(fbi->dmacr, fbi->regs + LCDC_DMACR);
return 0;
}
-static void imxfb_setup_gpio(struct imxfb_info *fbi)
-{
- int width;
-
- LCDC_RMCR &= ~(RMCR_LCDC_EN | RMCR_SELF_REF);
-
- if( fbi->pcr & PCR_TFT )
- width = 16;
- else
- width = 1 << ((fbi->pcr >> 28) & 0x3);
-
- switch(width) {
- case 16:
- imx_gpio_mode(PD30_PF_LD15);
- imx_gpio_mode(PD29_PF_LD14);
- imx_gpio_mode(PD28_PF_LD13);
- imx_gpio_mode(PD27_PF_LD12);
- imx_gpio_mode(PD26_PF_LD11);
- imx_gpio_mode(PD25_PF_LD10);
- imx_gpio_mode(PD24_PF_LD9);
- imx_gpio_mode(PD23_PF_LD8);
- case 8:
- imx_gpio_mode(PD22_PF_LD7);
- imx_gpio_mode(PD21_PF_LD6);
- imx_gpio_mode(PD20_PF_LD5);
- imx_gpio_mode(PD19_PF_LD4);
- case 4:
- imx_gpio_mode(PD18_PF_LD3);
- imx_gpio_mode(PD17_PF_LD2);
- case 2:
- imx_gpio_mode(PD16_PF_LD1);
- case 1:
- imx_gpio_mode(PD15_PF_LD0);
- }
-
- /* initialize GPIOs */
- imx_gpio_mode(PD6_PF_LSCLK);
- imx_gpio_mode(PD11_PF_CONTRAST);
- imx_gpio_mode(PD14_PF_FLM_VSYNC);
- imx_gpio_mode(PD13_PF_LP_HSYNC);
- imx_gpio_mode(PD12_PF_ACD_OE);
-
- /* These are only needed for Sharp HR TFT displays */
- if (fbi->pcr & PCR_SHARP) {
- imx_gpio_mode(PD7_PF_REV);
- imx_gpio_mode(PD8_PF_CLS);
- imx_gpio_mode(PD9_PF_PS);
- imx_gpio_mode(PD10_PF_SPL_SPR);
- }
-}
-
#ifdef CONFIG_PM
/*
* Power management hooks. Note that we won't be called from IRQ context,
@@ -416,7 +493,8 @@ static void imxfb_setup_gpio(struct imxfb_info *fbi)
static int imxfb_suspend(struct platform_device *dev, pm_message_t state)
{
struct imxfb_info *fbi = platform_get_drvdata(dev);
- pr_debug("%s\n",__func__);
+
+ pr_debug("%s\n", __func__);
imxfb_disable_controller(fbi);
return 0;
@@ -425,7 +503,8 @@ static int imxfb_suspend(struct platform_device *dev, pm_message_t state)
static int imxfb_resume(struct platform_device *dev)
{
struct imxfb_info *fbi = platform_get_drvdata(dev);
- pr_debug("%s\n",__func__);
+
+ pr_debug("%s\n", __func__);
imxfb_enable_controller(fbi);
return 0;
@@ -435,149 +514,136 @@ static int imxfb_resume(struct platform_device *dev)
#define imxfb_resume NULL
#endif
-static int __init imxfb_init_fbinfo(struct device *dev)
+static int __init imxfb_init_fbinfo(struct platform_device *pdev)
{
- struct imxfb_mach_info *inf = dev->platform_data;
- struct fb_info *info = dev_get_drvdata(dev);
+ struct imx_fb_platform_data *pdata = pdev->dev.platform_data;
+ struct fb_info *info = dev_get_drvdata(&pdev->dev);
struct imxfb_info *fbi = info->par;
pr_debug("%s\n",__func__);
- info->pseudo_palette = kmalloc( sizeof(u32) * 16, GFP_KERNEL);
+ info->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
if (!info->pseudo_palette)
return -ENOMEM;
memset(fbi, 0, sizeof(struct imxfb_info));
- fbi->dev = dev;
strlcpy(info->fix.id, IMX_NAME, sizeof(info->fix.id));
- info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.type_aux = 0;
info->fix.xpanstep = 0;
info->fix.ypanstep = 0;
info->fix.ywrapstep = 0;
- info->fix.accel = FB_ACCEL_NONE;
+ info->fix.accel = FB_ACCEL_NONE;
info->var.nonstd = 0;
info->var.activate = FB_ACTIVATE_NOW;
info->var.height = -1;
info->var.width = -1;
info->var.accel_flags = 0;
- info->var.vmode = FB_VMODE_NONINTERLACED;
+ info->var.vmode = FB_VMODE_NONINTERLACED;
info->fbops = &imxfb_ops;
- info->flags = FBINFO_FLAG_DEFAULT | FBINFO_READS_FAST;
-
- fbi->rgb[RGB_16] = &def_rgb_16;
- fbi->rgb[RGB_8] = &def_rgb_8;
-
- fbi->max_xres = inf->xres;
- info->var.xres = inf->xres;
- info->var.xres_virtual = inf->xres;
- fbi->max_yres = inf->yres;
- info->var.yres = inf->yres;
- info->var.yres_virtual = inf->yres;
- fbi->max_bpp = inf->bpp;
- info->var.bits_per_pixel = inf->bpp;
- info->var.nonstd = inf->nonstd;
- info->var.pixclock = inf->pixclock;
- info->var.hsync_len = inf->hsync_len;
- info->var.left_margin = inf->left_margin;
- info->var.right_margin = inf->right_margin;
- info->var.vsync_len = inf->vsync_len;
- info->var.upper_margin = inf->upper_margin;
- info->var.lower_margin = inf->lower_margin;
- info->var.sync = inf->sync;
- info->var.grayscale = inf->cmap_greyscale;
- fbi->cmap_inverse = inf->cmap_inverse;
- fbi->cmap_static = inf->cmap_static;
- fbi->pcr = inf->pcr;
- fbi->lscr1 = inf->lscr1;
- fbi->dmacr = inf->dmacr;
- fbi->pwmr = inf->pwmr;
- fbi->lcd_power = inf->lcd_power;
- fbi->backlight_power = inf->backlight_power;
+ info->flags = FBINFO_FLAG_DEFAULT |
+ FBINFO_READS_FAST;
+
+ fbi->max_xres = pdata->xres;
+ info->var.xres = pdata->xres;
+ info->var.xres_virtual = pdata->xres;
+ fbi->max_yres = pdata->yres;
+ info->var.yres = pdata->yres;
+ info->var.yres_virtual = pdata->yres;
+ fbi->max_bpp = pdata->bpp;
+ info->var.bits_per_pixel = pdata->bpp;
+ info->var.nonstd = pdata->nonstd;
+ info->var.pixclock = pdata->pixclock;
+ info->var.hsync_len = pdata->hsync_len;
+ info->var.left_margin = pdata->left_margin;
+ info->var.right_margin = pdata->right_margin;
+ info->var.vsync_len = pdata->vsync_len;
+ info->var.upper_margin = pdata->upper_margin;
+ info->var.lower_margin = pdata->lower_margin;
+ info->var.sync = pdata->sync;
+ info->var.grayscale = pdata->cmap_greyscale;
+ fbi->cmap_inverse = pdata->cmap_inverse;
+ fbi->cmap_static = pdata->cmap_static;
+ fbi->pcr = pdata->pcr;
+ fbi->lscr1 = pdata->lscr1;
+ fbi->dmacr = pdata->dmacr;
+ fbi->pwmr = pdata->pwmr;
+ fbi->lcd_power = pdata->lcd_power;
+ fbi->backlight_power = pdata->backlight_power;
info->fix.smem_len = fbi->max_xres * fbi->max_yres *
fbi->max_bpp / 8;
return 0;
}
-/*
- * Allocates the DRAM memory for the frame buffer. This buffer is
- * remapped into a non-cached, non-buffered, memory region to
- * allow pixel writes to occur without flushing the cache.
- * Once this area is remapped, all virtual memory access to the
- * video memory should occur at the new region.
- */
-static int __init imxfb_map_video_memory(struct fb_info *info)
-{
- struct imxfb_info *fbi = info->par;
-
- fbi->map_size = PAGE_ALIGN(info->fix.smem_len);
- fbi->map_cpu = dma_alloc_writecombine(fbi->dev, fbi->map_size,
- &fbi->map_dma,GFP_KERNEL);
-
- if (fbi->map_cpu) {
- info->screen_base = fbi->map_cpu;
- fbi->screen_cpu = fbi->map_cpu;
- fbi->screen_dma = fbi->map_dma;
- info->fix.smem_start = fbi->screen_dma;
- }
-
- return fbi->map_cpu ? 0 : -ENOMEM;
-}
-
static int __init imxfb_probe(struct platform_device *pdev)
{
struct imxfb_info *fbi;
struct fb_info *info;
- struct imxfb_mach_info *inf;
+ struct imx_fb_platform_data *pdata;
struct resource *res;
int ret;
printk("i.MX Framebuffer driver\n");
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if(!res)
+ if (!res)
return -ENODEV;
- inf = pdev->dev.platform_data;
- if(!inf) {
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
dev_err(&pdev->dev,"No platform_data available\n");
return -ENOMEM;
}
info = framebuffer_alloc(sizeof(struct imxfb_info), &pdev->dev);
- if(!info)
+ if (!info)
return -ENOMEM;
fbi = info->par;
platform_set_drvdata(pdev, info);
- ret = imxfb_init_fbinfo(&pdev->dev);
- if( ret < 0 )
+ ret = imxfb_init_fbinfo(pdev);
+ if (ret < 0)
goto failed_init;
- res = request_mem_region(res->start, res->end - res->start + 1, "IMXFB");
+ res = request_mem_region(res->start, resource_size(res),
+ DRIVER_NAME);
if (!res) {
ret = -EBUSY;
- goto failed_regs;
+ goto failed_req;
+ }
+
+ fbi->regs = ioremap(res->start, resource_size(res));
+ if (fbi->regs == NULL) {
+ printk(KERN_ERR"Cannot map frame buffer registers\n");
+ goto failed_ioremap;
}
- if (!inf->fixed_screen_cpu) {
- ret = imxfb_map_video_memory(info);
- if (ret) {
+ if (!pdata->fixed_screen_cpu) {
+ fbi->map_size = PAGE_ALIGN(info->fix.smem_len);
+ fbi->map_cpu = dma_alloc_writecombine(&pdev->dev,
+ fbi->map_size, &fbi->map_dma, GFP_KERNEL);
+
+ if (!fbi->map_cpu) {
dev_err(&pdev->dev, "Failed to allocate video RAM: %d\n", ret);
ret = -ENOMEM;
goto failed_map;
}
+
+ info->screen_base = fbi->map_cpu;
+ fbi->screen_cpu = fbi->map_cpu;
+ fbi->screen_dma = fbi->map_dma;
+ info->fix.smem_start = fbi->screen_dma;
} else {
/* Fixed framebuffer mapping enables location of the screen in eSRAM */
- fbi->map_cpu = inf->fixed_screen_cpu;
- fbi->map_dma = inf->fixed_screen_dma;
+ fbi->map_cpu = pdata->fixed_screen_cpu;
+ fbi->map_dma = pdata->fixed_screen_dma;
info->screen_base = fbi->map_cpu;
fbi->screen_cpu = fbi->map_cpu;
fbi->screen_dma = fbi->map_dma;
@@ -590,12 +656,10 @@ static int __init imxfb_probe(struct platform_device *pdev)
*/
imxfb_check_var(&info->var, info);
- ret = fb_alloc_cmap(&info->cmap, 1<<info->var.bits_per_pixel, 0);
+ ret = fb_alloc_cmap(&info->cmap, 1 << info->var.bits_per_pixel, 0);
if (ret < 0)
goto failed_cmap;
- imxfb_setup_gpio(fbi);
-
imxfb_set_par(info);
ret = register_framebuffer(info);
if (ret < 0) {
@@ -610,20 +674,22 @@ static int __init imxfb_probe(struct platform_device *pdev)
failed_register:
fb_dealloc_cmap(&info->cmap);
failed_cmap:
- if (!inf->fixed_screen_cpu)
+ if (!pdata->fixed_screen_cpu)
dma_free_writecombine(&pdev->dev,fbi->map_size,fbi->map_cpu,
- fbi->map_dma);
+ fbi->map_dma);
failed_map:
- kfree(info->pseudo_palette);
-failed_regs:
+ iounmap(fbi->regs);
+failed_ioremap:
release_mem_region(res->start, res->end - res->start);
+failed_req:
+ kfree(info->pseudo_palette);
failed_init:
platform_set_drvdata(pdev, NULL);
framebuffer_release(info);
return ret;
}
-static int imxfb_remove(struct platform_device *pdev)
+static int __devexit imxfb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
struct imxfb_info *fbi = info->par;
@@ -639,6 +705,7 @@ static int imxfb_remove(struct platform_device *pdev)
kfree(info->pseudo_palette);
framebuffer_release(info);
+ iounmap(fbi->regs);
release_mem_region(res->start, res->end - res->start + 1);
platform_set_drvdata(pdev, NULL);
@@ -653,19 +720,18 @@ void imxfb_shutdown(struct platform_device * dev)
}
static struct platform_driver imxfb_driver = {
- .probe = imxfb_probe,
.suspend = imxfb_suspend,
.resume = imxfb_resume,
- .remove = imxfb_remove,
+ .remove = __devexit_p(imxfb_remove),
.shutdown = imxfb_shutdown,
.driver = {
- .name = "imx-fb",
+ .name = DRIVER_NAME,
},
};
int __init imxfb_init(void)
{
- return platform_driver_register(&imxfb_driver);
+ return platform_driver_probe(&imxfb_driver, imxfb_probe);
}
static void __exit imxfb_cleanup(void)
diff --git a/drivers/video/imxfb.h b/drivers/video/imxfb.h
deleted file mode 100644
index e837a8b48eb8..000000000000
--- a/drivers/video/imxfb.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * linux/drivers/video/imxfb.h
- *
- * Freescale i.MX Frame Buffer device driver
- *
- * Copyright (C) 2004 S.Hauer, Pengutronix
- *
- * Copyright (C) 1999 Eric A. Thomas
- * Based on acornfb.c Copyright (C) Russell King.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
-
-/*
- * These are the bitfields for each
- * display depth that we support.
- */
-struct imxfb_rgb {
- struct fb_bitfield red;
- struct fb_bitfield green;
- struct fb_bitfield blue;
- struct fb_bitfield transp;
-};
-
-#define RGB_16 (0)
-#define RGB_8 (1)
-#define NR_RGB 2
-
-struct imxfb_info {
- struct device *dev;
- struct imxfb_rgb *rgb[NR_RGB];
-
- u_int max_bpp;
- u_int max_xres;
- u_int max_yres;
-
- /*
- * These are the addresses we mapped
- * the framebuffer memory region to.
- */
- dma_addr_t map_dma;
- u_char * map_cpu;
- u_int map_size;
-
- u_char * screen_cpu;
- dma_addr_t screen_dma;
- u_int palette_size;
-
- dma_addr_t dbar1;
- dma_addr_t dbar2;
-
- u_int pcr;
- u_int pwmr;
- u_int lscr1;
- u_int dmacr;
- u_int cmap_inverse:1,
- cmap_static:1,
- unused:30;
-
- void (*lcd_power)(int);
- void (*backlight_power)(int);
-};
-
-#define IMX_NAME "IMX"
-
-/*
- * Minimum X and Y resolutions
- */
-#define MIN_XRES 64
-#define MIN_YRES 64
-
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index cc59c52e1103..48ff701d3a72 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -20,6 +20,16 @@
*
* linux-arm-kernel@lists.arm.linux.org.uk
*
+ * Add support for overlay1 and overlay2 based on pxafb_overlay.c:
+ *
+ * Copyright (C) 2004, Intel Corporation
+ *
+ * 2003/08/27: <yu.tang@intel.com>
+ * 2004/03/10: <stanley.cai@intel.com>
+ * 2004/10/28: <yan.yin@intel.com>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * All Rights Reserved
*/
#include <linux/module.h>
@@ -50,7 +60,6 @@
#include <asm/irq.h>
#include <asm/div64.h>
#include <mach/pxa-regs.h>
-#include <mach/pxa2xx-gpio.h>
#include <mach/bitfield.h>
#include <mach/pxafb.h>
@@ -67,14 +76,16 @@
LCCR0_SFM | LCCR0_LDM | LCCR0_ENB)
#define LCCR3_INVALID_CONFIG_MASK (LCCR3_HSP | LCCR3_VSP |\
- LCCR3_PCD | LCCR3_BPP)
-
-static void (*pxafb_backlight_power)(int);
-static void (*pxafb_lcd_power)(int, struct fb_var_screeninfo *);
+ LCCR3_PCD | LCCR3_BPP(0xf))
static int pxafb_activate_var(struct fb_var_screeninfo *var,
struct pxafb_info *);
static void set_ctrlr_state(struct pxafb_info *fbi, u_int state);
+static void setup_base_frame(struct pxafb_info *fbi, int branch);
+static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
+ unsigned long offset, size_t size);
+
+static unsigned long video_mem_size = 0;
static inline unsigned long
lcd_readl(struct pxafb_info *fbi, unsigned int off)
@@ -156,6 +167,12 @@ pxafb_setpalettereg(u_int regno, u_int red, u_int green, u_int blue,
val |= ((blue >> 8) & 0x000000fc);
((u32 *)(fbi->palette_cpu))[regno] = val;
break;
+ case LCCR4_PAL_FOR_3:
+ val = ((red << 8) & 0x00ff0000);
+ val |= ((green >> 0) & 0x0000ff00);
+ val |= ((blue >> 8) & 0x000000ff);
+ ((u32 *)(fbi->palette_cpu))[regno] = val;
+ break;
}
return 0;
@@ -216,37 +233,110 @@ pxafb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
return ret;
}
-/*
- * pxafb_bpp_to_lccr3():
- * Convert a bits per pixel value to the correct bit pattern for LCCR3
- */
-static int pxafb_bpp_to_lccr3(struct fb_var_screeninfo *var)
+/* calculate pixel depth, transparency bit included, >=16bpp formats _only_ */
+static inline int var_to_depth(struct fb_var_screeninfo *var)
{
- int ret = 0;
+ return var->red.length + var->green.length +
+ var->blue.length + var->transp.length;
+}
+
+/* calculate 4-bit BPP value for LCCR3 and OVLxC1 */
+static int pxafb_var_to_bpp(struct fb_var_screeninfo *var)
+{
+ int bpp = -EINVAL;
+
switch (var->bits_per_pixel) {
- case 1: ret = LCCR3_1BPP; break;
- case 2: ret = LCCR3_2BPP; break;
- case 4: ret = LCCR3_4BPP; break;
- case 8: ret = LCCR3_8BPP; break;
- case 16: ret = LCCR3_16BPP; break;
+ case 1: bpp = 0; break;
+ case 2: bpp = 1; break;
+ case 4: bpp = 2; break;
+ case 8: bpp = 3; break;
+ case 16: bpp = 4; break;
case 24:
- switch (var->red.length + var->green.length +
- var->blue.length + var->transp.length) {
- case 18: ret = LCCR3_18BPP_P | LCCR3_PDFOR_3; break;
- case 19: ret = LCCR3_19BPP_P; break;
+ switch (var_to_depth(var)) {
+ case 18: bpp = 6; break; /* 18-bits/pixel packed */
+ case 19: bpp = 8; break; /* 19-bits/pixel packed */
+ case 24: bpp = 9; break;
}
break;
case 32:
- switch (var->red.length + var->green.length +
- var->blue.length + var->transp.length) {
- case 18: ret = LCCR3_18BPP | LCCR3_PDFOR_3; break;
- case 19: ret = LCCR3_19BPP; break;
- case 24: ret = LCCR3_24BPP | LCCR3_PDFOR_3; break;
- case 25: ret = LCCR3_25BPP; break;
+ switch (var_to_depth(var)) {
+ case 18: bpp = 5; break; /* 18-bits/pixel unpacked */
+ case 19: bpp = 7; break; /* 19-bits/pixel unpacked */
+ case 25: bpp = 10; break;
}
break;
}
- return ret;
+ return bpp;
+}
+
+/*
+ * pxafb_var_to_lccr3():
+ * Convert a bits per pixel value to the correct bit pattern for LCCR3
+ *
+ * NOTE: for PXA27x with overlays support, the LCCR3_PDFOR_x bits have an
+ * implication of the acutal use of transparency bit, which we handle it
+ * here separatedly. See PXA27x Developer's Manual, Section <<7.4.6 Pixel
+ * Formats>> for the valid combination of PDFOR, PAL_FOR for various BPP.
+ *
+ * Transparency for palette pixel formats is not supported at the moment.
+ */
+static uint32_t pxafb_var_to_lccr3(struct fb_var_screeninfo *var)
+{
+ int bpp = pxafb_var_to_bpp(var);
+ uint32_t lccr3;
+
+ if (bpp < 0)
+ return 0;
+
+ lccr3 = LCCR3_BPP(bpp);
+
+ switch (var_to_depth(var)) {
+ case 16: lccr3 |= var->transp.length ? LCCR3_PDFOR_3 : 0; break;
+ case 18: lccr3 |= LCCR3_PDFOR_3; break;
+ case 24: lccr3 |= var->transp.length ? LCCR3_PDFOR_2 : LCCR3_PDFOR_3;
+ break;
+ case 19:
+ case 25: lccr3 |= LCCR3_PDFOR_0; break;
+ }
+ return lccr3;
+}
+
+#define SET_PIXFMT(v, r, g, b, t) \
+({ \
+ (v)->transp.offset = (t) ? (r) + (g) + (b) : 0; \
+ (v)->transp.length = (t) ? (t) : 0; \
+ (v)->blue.length = (b); (v)->blue.offset = 0; \
+ (v)->green.length = (g); (v)->green.offset = (b); \
+ (v)->red.length = (r); (v)->red.offset = (b) + (g); \
+})
+
+/* set the RGBT bitfields of fb_var_screeninf according to
+ * var->bits_per_pixel and given depth
+ */
+static void pxafb_set_pixfmt(struct fb_var_screeninfo *var, int depth)
+{
+ if (depth == 0)
+ depth = var->bits_per_pixel;
+
+ if (var->bits_per_pixel < 16) {
+ /* indexed pixel formats */
+ var->red.offset = 0; var->red.length = 8;
+ var->green.offset = 0; var->green.length = 8;
+ var->blue.offset = 0; var->blue.length = 8;
+ var->transp.offset = 0; var->transp.length = 8;
+ }
+
+ switch (depth) {
+ case 16: var->transp.length ?
+ SET_PIXFMT(var, 5, 5, 5, 1) : /* RGBT555 */
+ SET_PIXFMT(var, 5, 6, 5, 0); break; /* RGB565 */
+ case 18: SET_PIXFMT(var, 6, 6, 6, 0); break; /* RGB666 */
+ case 19: SET_PIXFMT(var, 6, 6, 6, 1); break; /* RGBT666 */
+ case 24: var->transp.length ?
+ SET_PIXFMT(var, 8, 8, 7, 1) : /* RGBT887 */
+ SET_PIXFMT(var, 8, 8, 8, 0); break; /* RGB888 */
+ case 25: SET_PIXFMT(var, 8, 8, 8, 1); break; /* RGBT888 */
+ }
}
#ifdef CONFIG_CPU_FREQ
@@ -308,8 +398,49 @@ static void pxafb_setmode(struct fb_var_screeninfo *var,
var->lower_margin = mode->lower_margin;
var->sync = mode->sync;
var->grayscale = mode->cmap_greyscale;
- var->xres_virtual = var->xres;
- var->yres_virtual = var->yres;
+
+ /* set the initial RGBA bitfields */
+ pxafb_set_pixfmt(var, mode->depth);
+}
+
+static int pxafb_adjust_timing(struct pxafb_info *fbi,
+ struct fb_var_screeninfo *var)
+{
+ int line_length;
+
+ var->xres = max_t(int, var->xres, MIN_XRES);
+ var->yres = max_t(int, var->yres, MIN_YRES);
+
+ if (!(fbi->lccr0 & LCCR0_LCDT)) {
+ clamp_val(var->hsync_len, 1, 64);
+ clamp_val(var->vsync_len, 1, 64);
+ clamp_val(var->left_margin, 1, 255);
+ clamp_val(var->right_margin, 1, 255);
+ clamp_val(var->upper_margin, 1, 255);
+ clamp_val(var->lower_margin, 1, 255);
+ }
+
+ /* make sure each line is aligned on word boundary */
+ line_length = var->xres * var->bits_per_pixel / 8;
+ line_length = ALIGN(line_length, 4);
+ var->xres = line_length * 8 / var->bits_per_pixel;
+
+ /* we don't support xpan, force xres_virtual to be equal to xres */
+ var->xres_virtual = var->xres;
+
+ if (var->accel_flags & FB_ACCELF_TEXT)
+ var->yres_virtual = fbi->fb.fix.smem_len / line_length;
+ else
+ var->yres_virtual = max(var->yres_virtual, var->yres);
+
+ /* check for limits */
+ if (var->xres > MAX_XRES || var->yres > MAX_YRES)
+ return -EINVAL;
+
+ if (var->yres > var->yres_virtual)
+ return -EINVAL;
+
+ return 0;
}
/*
@@ -325,11 +456,7 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct pxafb_info *fbi = (struct pxafb_info *)info;
struct pxafb_mach_info *inf = fbi->dev->platform_data;
-
- if (var->xres < MIN_XRES)
- var->xres = MIN_XRES;
- if (var->yres < MIN_YRES)
- var->yres = MIN_YRES;
+ int err;
if (inf->fixed_modes) {
struct pxafb_mode_info *mode;
@@ -338,74 +465,18 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
if (!mode)
return -EINVAL;
pxafb_setmode(var, mode);
- } else {
- if (var->xres > inf->modes->xres)
- return -EINVAL;
- if (var->yres > inf->modes->yres)
- return -EINVAL;
- if (var->bits_per_pixel > inf->modes->bpp)
- return -EINVAL;
}
- var->xres_virtual =
- max(var->xres_virtual, var->xres);
- var->yres_virtual =
- max(var->yres_virtual, var->yres);
+ /* do a test conversion to BPP fields to check the color formats */
+ err = pxafb_var_to_bpp(var);
+ if (err < 0)
+ return err;
- /*
- * Setup the RGB parameters for this display.
- *
- * The pixel packing format is described on page 7-11 of the
- * PXA2XX Developer's Manual.
- */
- if (var->bits_per_pixel == 16) {
- var->red.offset = 11; var->red.length = 5;
- var->green.offset = 5; var->green.length = 6;
- var->blue.offset = 0; var->blue.length = 5;
- var->transp.offset = var->transp.length = 0;
- } else if (var->bits_per_pixel > 16) {
- struct pxafb_mode_info *mode;
+ pxafb_set_pixfmt(var, var_to_depth(var));
- mode = pxafb_getmode(inf, var);
- if (!mode)
- return -EINVAL;
-
- switch (mode->depth) {
- case 18: /* RGB666 */
- var->transp.offset = var->transp.length = 0;
- var->red.offset = 12; var->red.length = 6;
- var->green.offset = 6; var->green.length = 6;
- var->blue.offset = 0; var->blue.length = 6;
- break;
- case 19: /* RGBT666 */
- var->transp.offset = 18; var->transp.length = 1;
- var->red.offset = 12; var->red.length = 6;
- var->green.offset = 6; var->green.length = 6;
- var->blue.offset = 0; var->blue.length = 6;
- break;
- case 24: /* RGB888 */
- var->transp.offset = var->transp.length = 0;
- var->red.offset = 16; var->red.length = 8;
- var->green.offset = 8; var->green.length = 8;
- var->blue.offset = 0; var->blue.length = 8;
- break;
- case 25: /* RGBT888 */
- var->transp.offset = 24; var->transp.length = 1;
- var->red.offset = 16; var->red.length = 8;
- var->green.offset = 8; var->green.length = 8;
- var->blue.offset = 0; var->blue.length = 8;
- break;
- default:
- return -EINVAL;
- }
- } else {
- var->red.offset = var->green.offset = 0;
- var->blue.offset = var->transp.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- }
+ err = pxafb_adjust_timing(fbi, var);
+ if (err)
+ return err;
#ifdef CONFIG_CPU_FREQ
pr_debug("pxafb: dma period = %d ps\n",
@@ -415,11 +486,6 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
return 0;
}
-static inline void pxafb_set_truecolor(u_int is_true_color)
-{
- /* do your machine-specific setup if needed */
-}
-
/*
* pxafb_set_par():
* Set the user defined part of the display for the specified console
@@ -452,11 +518,6 @@ static int pxafb_set_par(struct fb_info *info)
fbi->palette_cpu = (u16 *)&fbi->dma_buff->palette[0];
- /*
- * Set (any) board control register to handle new color depth
- */
- pxafb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR);
-
if (fbi->fb.var.bits_per_pixel >= 16)
fb_dealloc_cmap(&fbi->fb.cmap);
else
@@ -467,6 +528,24 @@ static int pxafb_set_par(struct fb_info *info)
return 0;
}
+static int pxafb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct pxafb_info *fbi = (struct pxafb_info *)info;
+ int dma = DMA_MAX + DMA_BASE;
+
+ if (fbi->state != C_ENABLE)
+ return 0;
+
+ setup_base_frame(fbi, 1);
+
+ if (fbi->lccr0 & LCCR0_SDS)
+ lcd_writel(fbi, FBR1, fbi->fdadr[dma + 1] | 0x1);
+
+ lcd_writel(fbi, FBR0, fbi->fdadr[dma] | 0x1);
+ return 0;
+}
+
/*
* pxafb_blank():
* Blank the display by setting all palette values to zero. Note, the
@@ -502,32 +581,342 @@ static int pxafb_blank(int blank, struct fb_info *info)
return 0;
}
-static int pxafb_mmap(struct fb_info *info,
- struct vm_area_struct *vma)
-{
- struct pxafb_info *fbi = (struct pxafb_info *)info;
- unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
-
- if (off < info->fix.smem_len) {
- vma->vm_pgoff += fbi->video_offset / PAGE_SIZE;
- return dma_mmap_writecombine(fbi->dev, vma, fbi->map_cpu,
- fbi->map_dma, fbi->map_size);
- }
- return -EINVAL;
-}
-
static struct fb_ops pxafb_ops = {
.owner = THIS_MODULE,
.fb_check_var = pxafb_check_var,
.fb_set_par = pxafb_set_par,
+ .fb_pan_display = pxafb_pan_display,
.fb_setcolreg = pxafb_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
.fb_blank = pxafb_blank,
- .fb_mmap = pxafb_mmap,
};
+#ifdef CONFIG_FB_PXA_OVERLAY
+static void overlay1fb_setup(struct pxafb_layer *ofb)
+{
+ int size = ofb->fb.fix.line_length * ofb->fb.var.yres_virtual;
+ unsigned long start = ofb->video_mem_phys;
+ setup_frame_dma(ofb->fbi, DMA_OV1, PAL_NONE, start, size);
+}
+
+/* Depending on the enable status of overlay1/2, the DMA should be
+ * updated from FDADRx (when disabled) or FBRx (when enabled).
+ */
+static void overlay1fb_enable(struct pxafb_layer *ofb)
+{
+ int enabled = lcd_readl(ofb->fbi, OVL1C1) & OVLxC1_OEN;
+ uint32_t fdadr1 = ofb->fbi->fdadr[DMA_OV1] | (enabled ? 0x1 : 0);
+
+ lcd_writel(ofb->fbi, enabled ? FBR1 : FDADR1, fdadr1);
+ lcd_writel(ofb->fbi, OVL1C2, ofb->control[1]);
+ lcd_writel(ofb->fbi, OVL1C1, ofb->control[0] | OVLxC1_OEN);
+}
+
+static void overlay1fb_disable(struct pxafb_layer *ofb)
+{
+ uint32_t lccr5 = lcd_readl(ofb->fbi, LCCR5);
+
+ lcd_writel(ofb->fbi, OVL1C1, ofb->control[0] & ~OVLxC1_OEN);
+
+ lcd_writel(ofb->fbi, LCSR1, LCSR1_BS(1));
+ lcd_writel(ofb->fbi, LCCR5, lccr5 & ~LCSR1_BS(1));
+ lcd_writel(ofb->fbi, FBR1, ofb->fbi->fdadr[DMA_OV1] | 0x3);
+
+ if (wait_for_completion_timeout(&ofb->branch_done, 1 * HZ) == 0)
+ pr_warning("%s: timeout disabling overlay1\n", __func__);
+
+ lcd_writel(ofb->fbi, LCCR5, lccr5);
+}
+
+static void overlay2fb_setup(struct pxafb_layer *ofb)
+{
+ int size, div = 1, pfor = NONSTD_TO_PFOR(ofb->fb.var.nonstd);
+ unsigned long start[3] = { ofb->video_mem_phys, 0, 0 };
+
+ if (pfor == OVERLAY_FORMAT_RGB || pfor == OVERLAY_FORMAT_YUV444_PACKED) {
+ size = ofb->fb.fix.line_length * ofb->fb.var.yres_virtual;
+ setup_frame_dma(ofb->fbi, DMA_OV2_Y, -1, start[0], size);
+ } else {
+ size = ofb->fb.var.xres_virtual * ofb->fb.var.yres_virtual;
+ switch (pfor) {
+ case OVERLAY_FORMAT_YUV444_PLANAR: div = 1; break;
+ case OVERLAY_FORMAT_YUV422_PLANAR: div = 2; break;
+ case OVERLAY_FORMAT_YUV420_PLANAR: div = 4; break;
+ }
+ start[1] = start[0] + size;
+ start[2] = start[1] + size / div;
+ setup_frame_dma(ofb->fbi, DMA_OV2_Y, -1, start[0], size);
+ setup_frame_dma(ofb->fbi, DMA_OV2_Cb, -1, start[1], size / div);
+ setup_frame_dma(ofb->fbi, DMA_OV2_Cr, -1, start[2], size / div);
+ }
+}
+
+static void overlay2fb_enable(struct pxafb_layer *ofb)
+{
+ int pfor = NONSTD_TO_PFOR(ofb->fb.var.nonstd);
+ int enabled = lcd_readl(ofb->fbi, OVL2C1) & OVLxC1_OEN;
+ uint32_t fdadr2 = ofb->fbi->fdadr[DMA_OV2_Y] | (enabled ? 0x1 : 0);
+ uint32_t fdadr3 = ofb->fbi->fdadr[DMA_OV2_Cb] | (enabled ? 0x1 : 0);
+ uint32_t fdadr4 = ofb->fbi->fdadr[DMA_OV2_Cr] | (enabled ? 0x1 : 0);
+
+ if (pfor == OVERLAY_FORMAT_RGB || pfor == OVERLAY_FORMAT_YUV444_PACKED)
+ lcd_writel(ofb->fbi, enabled ? FBR2 : FDADR2, fdadr2);
+ else {
+ lcd_writel(ofb->fbi, enabled ? FBR2 : FDADR2, fdadr2);
+ lcd_writel(ofb->fbi, enabled ? FBR3 : FDADR3, fdadr3);
+ lcd_writel(ofb->fbi, enabled ? FBR4 : FDADR4, fdadr4);
+ }
+ lcd_writel(ofb->fbi, OVL2C2, ofb->control[1]);
+ lcd_writel(ofb->fbi, OVL2C1, ofb->control[0] | OVLxC1_OEN);
+}
+
+static void overlay2fb_disable(struct pxafb_layer *ofb)
+{
+ uint32_t lccr5 = lcd_readl(ofb->fbi, LCCR5);
+
+ lcd_writel(ofb->fbi, OVL2C1, ofb->control[0] & ~OVLxC1_OEN);
+
+ lcd_writel(ofb->fbi, LCSR1, LCSR1_BS(2));
+ lcd_writel(ofb->fbi, LCCR5, lccr5 & ~LCSR1_BS(2));
+ lcd_writel(ofb->fbi, FBR2, ofb->fbi->fdadr[DMA_OV2_Y] | 0x3);
+ lcd_writel(ofb->fbi, FBR3, ofb->fbi->fdadr[DMA_OV2_Cb] | 0x3);
+ lcd_writel(ofb->fbi, FBR4, ofb->fbi->fdadr[DMA_OV2_Cr] | 0x3);
+
+ if (wait_for_completion_timeout(&ofb->branch_done, 1 * HZ) == 0)
+ pr_warning("%s: timeout disabling overlay2\n", __func__);
+}
+
+static struct pxafb_layer_ops ofb_ops[] = {
+ [0] = {
+ .enable = overlay1fb_enable,
+ .disable = overlay1fb_disable,
+ .setup = overlay1fb_setup,
+ },
+ [1] = {
+ .enable = overlay2fb_enable,
+ .disable = overlay2fb_disable,
+ .setup = overlay2fb_setup,
+ },
+};
+
+static int overlayfb_open(struct fb_info *info, int user)
+{
+ struct pxafb_layer *ofb = (struct pxafb_layer *)info;
+
+ /* no support for framebuffer console on overlay */
+ if (user == 0)
+ return -ENODEV;
+
+ /* allow only one user at a time */
+ if (atomic_inc_and_test(&ofb->usage))
+ return -EBUSY;
+
+ /* unblank the base framebuffer */
+ fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK);
+ return 0;
+}
+
+static int overlayfb_release(struct fb_info *info, int user)
+{
+ struct pxafb_layer *ofb = (struct pxafb_layer*) info;
+
+ atomic_dec(&ofb->usage);
+ ofb->ops->disable(ofb);
+
+ free_pages_exact(ofb->video_mem, ofb->video_mem_size);
+ ofb->video_mem = NULL;
+ ofb->video_mem_size = 0;
+ return 0;
+}
+
+static int overlayfb_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct pxafb_layer *ofb = (struct pxafb_layer *)info;
+ struct fb_var_screeninfo *base_var = &ofb->fbi->fb.var;
+ int xpos, ypos, pfor, bpp;
+
+ xpos = NONSTD_TO_XPOS(var->nonstd);
+ ypos = NONSTD_TO_XPOS(var->nonstd);
+ pfor = NONSTD_TO_PFOR(var->nonstd);
+
+ bpp = pxafb_var_to_bpp(var);
+ if (bpp < 0)
+ return -EINVAL;
+
+ /* no support for YUV format on overlay1 */
+ if (ofb->id == OVERLAY1 && pfor != 0)
+ return -EINVAL;
+
+ /* for YUV packed formats, bpp = 'minimum bpp of YUV components' */
+ switch (pfor) {
+ case OVERLAY_FORMAT_RGB:
+ bpp = pxafb_var_to_bpp(var);
+ if (bpp < 0)
+ return -EINVAL;
+
+ pxafb_set_pixfmt(var, var_to_depth(var));
+ break;
+ case OVERLAY_FORMAT_YUV444_PACKED: bpp = 24; break;
+ case OVERLAY_FORMAT_YUV444_PLANAR: bpp = 8; break;
+ case OVERLAY_FORMAT_YUV422_PLANAR: bpp = 4; break;
+ case OVERLAY_FORMAT_YUV420_PLANAR: bpp = 2; break;
+ default:
+ return -EINVAL;
+ }
+
+ /* each line must start at a 32-bit word boundary */
+ if ((xpos * bpp) % 32)
+ return -EINVAL;
+
+ /* xres must align on 32-bit word boundary */
+ var->xres = roundup(var->xres * bpp, 32) / bpp;
+
+ if ((xpos + var->xres > base_var->xres) ||
+ (ypos + var->yres > base_var->yres))
+ return -EINVAL;
+
+ var->xres_virtual = var->xres;
+ var->yres_virtual = max(var->yres, var->yres_virtual);
+ return 0;
+}
+
+static int overlayfb_map_video_memory(struct pxafb_layer *ofb)
+{
+ struct fb_var_screeninfo *var = &ofb->fb.var;
+ int pfor = NONSTD_TO_PFOR(var->nonstd);
+ int size, bpp = 0;
+
+ switch (pfor) {
+ case OVERLAY_FORMAT_RGB: bpp = var->bits_per_pixel; break;
+ case OVERLAY_FORMAT_YUV444_PACKED: bpp = 24; break;
+ case OVERLAY_FORMAT_YUV444_PLANAR: bpp = 24; break;
+ case OVERLAY_FORMAT_YUV422_PLANAR: bpp = 16; break;
+ case OVERLAY_FORMAT_YUV420_PLANAR: bpp = 12; break;
+ }
+
+ ofb->fb.fix.line_length = var->xres_virtual * bpp / 8;
+
+ size = PAGE_ALIGN(ofb->fb.fix.line_length * var->yres_virtual);
+
+ /* don't re-allocate if the original video memory is enough */
+ if (ofb->video_mem) {
+ if (ofb->video_mem_size >= size)
+ return 0;
+
+ free_pages_exact(ofb->video_mem, ofb->video_mem_size);
+ }
+
+ ofb->video_mem = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
+ if (ofb->video_mem == NULL)
+ return -ENOMEM;
+
+ ofb->video_mem_phys = virt_to_phys(ofb->video_mem);
+ ofb->video_mem_size = size;
+
+ ofb->fb.fix.smem_start = ofb->video_mem_phys;
+ ofb->fb.fix.smem_len = ofb->fb.fix.line_length * var->yres_virtual;
+ ofb->fb.screen_base = ofb->video_mem;
+ return 0;
+}
+
+static int overlayfb_set_par(struct fb_info *info)
+{
+ struct pxafb_layer *ofb = (struct pxafb_layer *)info;
+ struct fb_var_screeninfo *var = &info->var;
+ int xpos, ypos, pfor, bpp, ret;
+
+ ret = overlayfb_map_video_memory(ofb);
+ if (ret)
+ return ret;
+
+ bpp = pxafb_var_to_bpp(var);
+ xpos = NONSTD_TO_XPOS(var->nonstd);
+ ypos = NONSTD_TO_XPOS(var->nonstd);
+ pfor = NONSTD_TO_PFOR(var->nonstd);
+
+ ofb->control[0] = OVLxC1_PPL(var->xres) | OVLxC1_LPO(var->yres) |
+ OVLxC1_BPP(bpp);
+ ofb->control[1] = OVLxC2_XPOS(xpos) | OVLxC2_YPOS(ypos);
+
+ if (ofb->id == OVERLAY2)
+ ofb->control[1] |= OVL2C2_PFOR(pfor);
+
+ ofb->ops->setup(ofb);
+ ofb->ops->enable(ofb);
+ return 0;
+}
+
+static struct fb_ops overlay_fb_ops = {
+ .owner = THIS_MODULE,
+ .fb_open = overlayfb_open,
+ .fb_release = overlayfb_release,
+ .fb_check_var = overlayfb_check_var,
+ .fb_set_par = overlayfb_set_par,
+};
+
+static void __devinit init_pxafb_overlay(struct pxafb_info *fbi,
+ struct pxafb_layer *ofb, int id)
+{
+ sprintf(ofb->fb.fix.id, "overlay%d", id + 1);
+
+ ofb->fb.fix.type = FB_TYPE_PACKED_PIXELS;
+ ofb->fb.fix.xpanstep = 0;
+ ofb->fb.fix.ypanstep = 1;
+
+ ofb->fb.var.activate = FB_ACTIVATE_NOW;
+ ofb->fb.var.height = -1;
+ ofb->fb.var.width = -1;
+ ofb->fb.var.vmode = FB_VMODE_NONINTERLACED;
+
+ ofb->fb.fbops = &overlay_fb_ops;
+ ofb->fb.flags = FBINFO_FLAG_DEFAULT;
+ ofb->fb.node = -1;
+ ofb->fb.pseudo_palette = NULL;
+
+ ofb->id = id;
+ ofb->ops = &ofb_ops[id];
+ atomic_set(&ofb->usage, 0);
+ ofb->fbi = fbi;
+ init_completion(&ofb->branch_done);
+}
+
+static int __devinit pxafb_overlay_init(struct pxafb_info *fbi)
+{
+ int i, ret;
+
+ for (i = 0; i < 2; i++) {
+ init_pxafb_overlay(fbi, &fbi->overlay[i], i);
+ ret = register_framebuffer(&fbi->overlay[i].fb);
+ if (ret) {
+ dev_err(fbi->dev, "failed to register overlay %d\n", i);
+ return ret;
+ }
+ }
+
+ /* mask all IU/BS/EOF/SOF interrupts */
+ lcd_writel(fbi, LCCR5, ~0);
+
+ /* place overlay(s) on top of base */
+ fbi->lccr0 |= LCCR0_OUC;
+ pr_info("PXA Overlay driver loaded successfully!\n");
+ return 0;
+}
+
+static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi)
+{
+ int i;
+
+ for (i = 0; i < 2; i++)
+ unregister_framebuffer(&fbi->overlay[i].fb);
+}
+#else
+static inline void pxafb_overlay_init(struct pxafb_info *fbi) {}
+static inline void pxafb_overlay_exit(struct pxafb_info *fbi) {}
+#endif /* CONFIG_FB_PXA_OVERLAY */
+
/*
* Calculate the PCD value from the clock rate (in picoseconds).
* We take account of the PPCR clock setting.
@@ -607,22 +996,22 @@ unsigned long pxafb_get_hsync_time(struct device *dev)
EXPORT_SYMBOL(pxafb_get_hsync_time);
static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
- unsigned int offset, size_t size)
+ unsigned long start, size_t size)
{
struct pxafb_dma_descriptor *dma_desc, *pal_desc;
unsigned int dma_desc_off, pal_desc_off;
- if (dma < 0 || dma >= DMA_MAX)
+ if (dma < 0 || dma >= DMA_MAX * 2)
return -EINVAL;
dma_desc = &fbi->dma_buff->dma_desc[dma];
dma_desc_off = offsetof(struct pxafb_dma_buff, dma_desc[dma]);
- dma_desc->fsadr = fbi->screen_dma + offset;
+ dma_desc->fsadr = start;
dma_desc->fidr = 0;
dma_desc->ldcmd = size;
- if (pal < 0 || pal >= PAL_MAX) {
+ if (pal < 0 || pal >= PAL_MAX * 2) {
dma_desc->fdadr = fbi->dma_buff_phys + dma_desc_off;
fbi->fdadr[dma] = fbi->dma_buff_phys + dma_desc_off;
} else {
@@ -648,6 +1037,27 @@ static int setup_frame_dma(struct pxafb_info *fbi, int dma, int pal,
return 0;
}
+static void setup_base_frame(struct pxafb_info *fbi, int branch)
+{
+ struct fb_var_screeninfo *var = &fbi->fb.var;
+ struct fb_fix_screeninfo *fix = &fbi->fb.fix;
+ int nbytes, dma, pal, bpp = var->bits_per_pixel;
+ unsigned long offset;
+
+ dma = DMA_BASE + (branch ? DMA_MAX : 0);
+ pal = (bpp >= 16) ? PAL_NONE : PAL_BASE + (branch ? PAL_MAX : 0);
+
+ nbytes = fix->line_length * var->yres;
+ offset = fix->line_length * var->yoffset + fbi->video_mem_phys;
+
+ if (fbi->lccr0 & LCCR0_SDS) {
+ nbytes = nbytes / 2;
+ setup_frame_dma(fbi, dma + 1, PAL_NONE, offset + nbytes, nbytes);
+ }
+
+ setup_frame_dma(fbi, dma, pal, offset, nbytes);
+}
+
#ifdef CONFIG_FB_PXA_SMARTPANEL
static int setup_smart_dma(struct pxafb_info *fbi)
{
@@ -701,6 +1111,7 @@ int pxafb_smart_flush(struct fb_info *info)
lcd_writel(fbi, LCCR1, fbi->reg_lccr1);
lcd_writel(fbi, LCCR2, fbi->reg_lccr2);
lcd_writel(fbi, LCCR3, fbi->reg_lccr3);
+ lcd_writel(fbi, LCCR4, fbi->reg_lccr4);
lcd_writel(fbi, FDADR0, fbi->fdadr[0]);
lcd_writel(fbi, FDADR6, fbi->fdadr[6]);
@@ -727,12 +1138,19 @@ int pxafb_smart_queue(struct fb_info *info, uint16_t *cmds, int n_cmds)
int i;
struct pxafb_info *fbi = container_of(info, struct pxafb_info, fb);
- /* leave 2 commands for INTERRUPT and WAIT_FOR_SYNC */
- for (i = 0; i < n_cmds; i++) {
+ for (i = 0; i < n_cmds; i++, cmds++) {
+ /* if it is a software delay, flush and delay */
+ if ((*cmds & 0xff00) == SMART_CMD_DELAY) {
+ pxafb_smart_flush(info);
+ mdelay(*cmds & 0xff);
+ continue;
+ }
+
+ /* leave 2 commands for INTERRUPT and WAIT_FOR_SYNC */
if (fbi->n_smart_cmds == CMD_BUFF_SIZE - 8)
pxafb_smart_flush(info);
- fbi->smart_cmds[fbi->n_smart_cmds++] = *cmds++;
+ fbi->smart_cmds[fbi->n_smart_cmds++] = *cmds;
}
return 0;
@@ -764,7 +1182,9 @@ static void setup_smart_timing(struct pxafb_info *fbi,
LCCR1_HorSnchWdth(__smart_timing(t3, lclk));
fbi->reg_lccr2 = LCCR2_DisHght(var->yres);
- fbi->reg_lccr3 = LCCR3_PixClkDiv(__smart_timing(t4, lclk));
+ fbi->reg_lccr3 = fbi->lccr3 | LCCR3_PixClkDiv(__smart_timing(t4, lclk));
+ fbi->reg_lccr3 |= (var->sync & FB_SYNC_HOR_HIGH_ACT) ? LCCR3_HSP : 0;
+ fbi->reg_lccr3 |= (var->sync & FB_SYNC_VERT_HIGH_ACT) ? LCCR3_VSP : 0;
/* FIXME: make this configurable */
fbi->reg_cmdcr = 1;
@@ -789,11 +1209,15 @@ static int pxafb_smart_thread(void *arg)
if (try_to_freeze())
continue;
+ mutex_lock(&fbi->ctrlr_lock);
+
if (fbi->state == C_ENABLE) {
inf->smart_update(&fbi->fb);
complete(&fbi->refresh_done);
}
+ mutex_unlock(&fbi->ctrlr_lock);
+
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(30 * HZ / 1000);
}
@@ -804,16 +1228,22 @@ static int pxafb_smart_thread(void *arg)
static int pxafb_smart_init(struct pxafb_info *fbi)
{
- if (!(fbi->lccr0 | LCCR0_LCDT))
+ if (!(fbi->lccr0 & LCCR0_LCDT))
return 0;
+ fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
+ fbi->n_smart_cmds = 0;
+
+ init_completion(&fbi->command_done);
+ init_completion(&fbi->refresh_done);
+
fbi->smart_thread = kthread_run(pxafb_smart_thread, fbi,
"lcd_refresh");
if (IS_ERR(fbi->smart_thread)) {
- printk(KERN_ERR "%s: unable to create kernel thread\n",
- __func__);
+ pr_err("%s: unable to create kernel thread\n", __func__);
return PTR_ERR(fbi->smart_thread);
}
+
return 0;
}
#else
@@ -826,7 +1256,9 @@ int pxafb_smart_flush(struct fb_info *info)
{
return 0;
}
-#endif /* CONFIG_FB_SMART_PANEL */
+
+static inline int pxafb_smart_init(struct pxafb_info *fbi) { return 0; }
+#endif /* CONFIG_FB_PXA_SMARTPANEL */
static void setup_parallel_timing(struct pxafb_info *fbi,
struct fb_var_screeninfo *var)
@@ -874,51 +1306,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
struct pxafb_info *fbi)
{
u_long flags;
- size_t nbytes;
-
-#if DEBUG_VAR
- if (!(fbi->lccr0 & LCCR0_LCDT)) {
- if (var->xres < 16 || var->xres > 1024)
- printk(KERN_ERR "%s: invalid xres %d\n",
- fbi->fb.fix.id, var->xres);
- switch (var->bits_per_pixel) {
- case 1:
- case 2:
- case 4:
- case 8:
- case 16:
- case 24:
- case 32:
- break;
- default:
- printk(KERN_ERR "%s: invalid bit depth %d\n",
- fbi->fb.fix.id, var->bits_per_pixel);
- break;
- }
- if (var->hsync_len < 1 || var->hsync_len > 64)
- printk(KERN_ERR "%s: invalid hsync_len %d\n",
- fbi->fb.fix.id, var->hsync_len);
- if (var->left_margin < 1 || var->left_margin > 255)
- printk(KERN_ERR "%s: invalid left_margin %d\n",
- fbi->fb.fix.id, var->left_margin);
- if (var->right_margin < 1 || var->right_margin > 255)
- printk(KERN_ERR "%s: invalid right_margin %d\n",
- fbi->fb.fix.id, var->right_margin);
- if (var->yres < 1 || var->yres > 1024)
- printk(KERN_ERR "%s: invalid yres %d\n",
- fbi->fb.fix.id, var->yres);
- if (var->vsync_len < 1 || var->vsync_len > 64)
- printk(KERN_ERR "%s: invalid vsync_len %d\n",
- fbi->fb.fix.id, var->vsync_len);
- if (var->upper_margin < 0 || var->upper_margin > 255)
- printk(KERN_ERR "%s: invalid upper_margin %d\n",
- fbi->fb.fix.id, var->upper_margin);
- if (var->lower_margin < 0 || var->lower_margin > 255)
- printk(KERN_ERR "%s: invalid lower_margin %d\n",
- fbi->fb.fix.id, var->lower_margin);
- }
-#endif
/* Update shadow copy atomically */
local_irq_save(flags);
@@ -929,23 +1317,13 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
#endif
setup_parallel_timing(fbi, var);
+ setup_base_frame(fbi, 0);
+
fbi->reg_lccr0 = fbi->lccr0 |
(LCCR0_LDM | LCCR0_SFM | LCCR0_IUM | LCCR0_EFM |
LCCR0_QDM | LCCR0_BM | LCCR0_OUM);
- fbi->reg_lccr3 |= pxafb_bpp_to_lccr3(var);
-
- nbytes = var->yres * fbi->fb.fix.line_length;
-
- if ((fbi->lccr0 & LCCR0_SDS) == LCCR0_Dual) {
- nbytes = nbytes / 2;
- setup_frame_dma(fbi, DMA_LOWER, PAL_NONE, nbytes, nbytes);
- }
-
- if ((var->bits_per_pixel >= 16) || (fbi->lccr0 & LCCR0_LCDT))
- setup_frame_dma(fbi, DMA_BASE, PAL_NONE, 0, nbytes);
- else
- setup_frame_dma(fbi, DMA_BASE, PAL_BASE, 0, nbytes);
+ fbi->reg_lccr3 |= pxafb_var_to_lccr3(var);
fbi->reg_lccr4 = lcd_readl(fbi, LCCR4) & ~LCCR4_PAL_FOR_MASK;
fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK);
@@ -959,6 +1337,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
(lcd_readl(fbi, LCCR1) != fbi->reg_lccr1) ||
(lcd_readl(fbi, LCCR2) != fbi->reg_lccr2) ||
(lcd_readl(fbi, LCCR3) != fbi->reg_lccr3) ||
+ (lcd_readl(fbi, LCCR4) != fbi->reg_lccr4) ||
(lcd_readl(fbi, FDADR0) != fbi->fdadr[0]) ||
(lcd_readl(fbi, FDADR1) != fbi->fdadr[1]))
pxafb_schedule_work(fbi, C_REENABLE);
@@ -976,67 +1355,16 @@ static inline void __pxafb_backlight_power(struct pxafb_info *fbi, int on)
{
pr_debug("pxafb: backlight o%s\n", on ? "n" : "ff");
- if (pxafb_backlight_power)
- pxafb_backlight_power(on);
+ if (fbi->backlight_power)
+ fbi->backlight_power(on);
}
static inline void __pxafb_lcd_power(struct pxafb_info *fbi, int on)
{
pr_debug("pxafb: LCD power o%s\n", on ? "n" : "ff");
- if (pxafb_lcd_power)
- pxafb_lcd_power(on, &fbi->fb.var);
-}
-
-static void pxafb_setup_gpio(struct pxafb_info *fbi)
-{
- int gpio, ldd_bits;
- unsigned int lccr0 = fbi->lccr0;
-
- /*
- * setup is based on type of panel supported
- */
-
- /* 4 bit interface */
- if ((lccr0 & LCCR0_CMS) == LCCR0_Mono &&
- (lccr0 & LCCR0_SDS) == LCCR0_Sngl &&
- (lccr0 & LCCR0_DPD) == LCCR0_4PixMono)
- ldd_bits = 4;
-
- /* 8 bit interface */
- else if (((lccr0 & LCCR0_CMS) == LCCR0_Mono &&
- ((lccr0 & LCCR0_SDS) == LCCR0_Dual ||
- (lccr0 & LCCR0_DPD) == LCCR0_8PixMono)) ||
- ((lccr0 & LCCR0_CMS) == LCCR0_Color &&
- (lccr0 & LCCR0_PAS) == LCCR0_Pas &&
- (lccr0 & LCCR0_SDS) == LCCR0_Sngl))
- ldd_bits = 8;
-
- /* 16 bit interface */
- else if ((lccr0 & LCCR0_CMS) == LCCR0_Color &&
- ((lccr0 & LCCR0_SDS) == LCCR0_Dual ||
- (lccr0 & LCCR0_PAS) == LCCR0_Act))
- ldd_bits = 16;
-
- else {
- printk(KERN_ERR "pxafb_setup_gpio: unable to determine "
- "bits per pixel\n");
- return;
- }
-
- for (gpio = 58; ldd_bits; gpio++, ldd_bits--)
- pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT);
- /* 18 bit interface */
- if (fbi->fb.var.bits_per_pixel > 16) {
- pxa_gpio_mode(86 | GPIO_ALT_FN_2_OUT);
- pxa_gpio_mode(87 | GPIO_ALT_FN_2_OUT);
- }
- pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
- pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
- pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
-
- if ((lccr0 & LCCR0_PAS) == 0)
- pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
+ if (fbi->lcd_power)
+ fbi->lcd_power(on, &fbi->fb.var);
}
static void pxafb_enable_controller(struct pxafb_info *fbi)
@@ -1056,6 +1384,7 @@ static void pxafb_enable_controller(struct pxafb_info *fbi)
return;
/* Sequence from 11.7.10 */
+ lcd_writel(fbi, LCCR4, fbi->reg_lccr4);
lcd_writel(fbi, LCCR3, fbi->reg_lccr3);
lcd_writel(fbi, LCCR2, fbi->reg_lccr2);
lcd_writel(fbi, LCCR1, fbi->reg_lccr1);
@@ -1097,8 +1426,9 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
static irqreturn_t pxafb_handle_irq(int irq, void *dev_id)
{
struct pxafb_info *fbi = dev_id;
- unsigned int lccr0, lcsr = lcd_readl(fbi, LCSR);
+ unsigned int lccr0, lcsr, lcsr1;
+ lcsr = lcd_readl(fbi, LCSR);
if (lcsr & LCSR_LDD) {
lccr0 = lcd_readl(fbi, LCCR0);
lcd_writel(fbi, LCCR0, lccr0 | LCCR0_LDM);
@@ -1109,8 +1439,18 @@ static irqreturn_t pxafb_handle_irq(int irq, void *dev_id)
if (lcsr & LCSR_CMD_INT)
complete(&fbi->command_done);
#endif
-
lcd_writel(fbi, LCSR, lcsr);
+
+#ifdef CONFIG_FB_PXA_OVERLAY
+ lcsr1 = lcd_readl(fbi, LCSR1);
+ if (lcsr1 & LCSR1_BS(1))
+ complete(&fbi->overlay[0].branch_done);
+
+ if (lcsr1 & LCSR1_BS(2))
+ complete(&fbi->overlay[1].branch_done);
+
+ lcd_writel(fbi, LCSR1, lcsr1);
+#endif
return IRQ_HANDLED;
}
@@ -1181,7 +1521,6 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
if (old_state == C_ENABLE) {
__pxafb_lcd_power(fbi, 0);
pxafb_disable_controller(fbi);
- pxafb_setup_gpio(fbi);
pxafb_enable_controller(fbi);
__pxafb_lcd_power(fbi, 1);
}
@@ -1204,7 +1543,6 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
*/
if (old_state != C_ENABLE) {
fbi->state = C_ENABLE;
- pxafb_setup_gpio(fbi);
pxafb_enable_controller(fbi);
__pxafb_lcd_power(fbi, 1);
__pxafb_backlight_power(fbi, 1);
@@ -1303,77 +1641,34 @@ static int pxafb_resume(struct platform_device *dev)
#define pxafb_resume NULL
#endif
-/*
- * pxafb_map_video_memory():
- * Allocates the DRAM memory for the frame buffer. This buffer is
- * remapped into a non-cached, non-buffered, memory region to
- * allow palette and pixel writes to occur without flushing the
- * cache. Once this area is remapped, all virtual memory
- * access to the video memory should occur at the new region.
- */
-static int __devinit pxafb_map_video_memory(struct pxafb_info *fbi)
+static int __devinit pxafb_init_video_memory(struct pxafb_info *fbi)
{
- /*
- * We reserve one page for the palette, plus the size
- * of the framebuffer.
- */
- fbi->video_offset = PAGE_ALIGN(sizeof(struct pxafb_dma_buff));
- fbi->map_size = PAGE_ALIGN(fbi->fb.fix.smem_len + fbi->video_offset);
- fbi->map_cpu = dma_alloc_writecombine(fbi->dev, fbi->map_size,
- &fbi->map_dma, GFP_KERNEL);
-
- if (fbi->map_cpu) {
- /* prevent initial garbage on screen */
- memset(fbi->map_cpu, 0, fbi->map_size);
- fbi->fb.screen_base = fbi->map_cpu + fbi->video_offset;
- fbi->screen_dma = fbi->map_dma + fbi->video_offset;
-
- /*
- * FIXME: this is actually the wrong thing to place in
- * smem_start. But fbdev suffers from the problem that
- * it needs an API which doesn't exist (in this case,
- * dma_writecombine_mmap)
- */
- fbi->fb.fix.smem_start = fbi->screen_dma;
- fbi->palette_size = fbi->fb.var.bits_per_pixel == 8 ? 256 : 16;
-
- fbi->dma_buff = (void *) fbi->map_cpu;
- fbi->dma_buff_phys = fbi->map_dma;
- fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
+ int size = PAGE_ALIGN(fbi->video_mem_size);
- pr_debug("pxafb: palette_mem_size = 0x%08x\n", fbi->palette_size*sizeof(u16));
+ fbi->video_mem = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
+ if (fbi->video_mem == NULL)
+ return -ENOMEM;
-#ifdef CONFIG_FB_PXA_SMARTPANEL
- fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
- fbi->n_smart_cmds = 0;
-#endif
- }
-
- return fbi->map_cpu ? 0 : -ENOMEM;
-}
+ fbi->video_mem_phys = virt_to_phys(fbi->video_mem);
+ fbi->video_mem_size = size;
-static void pxafb_decode_mode_info(struct pxafb_info *fbi,
- struct pxafb_mode_info *modes,
- unsigned int num_modes)
-{
- unsigned int i, smemlen;
-
- pxafb_setmode(&fbi->fb.var, &modes[0]);
+ fbi->fb.fix.smem_start = fbi->video_mem_phys;
+ fbi->fb.fix.smem_len = fbi->video_mem_size;
+ fbi->fb.screen_base = fbi->video_mem;
- for (i = 0; i < num_modes; i++) {
- smemlen = modes[i].xres * modes[i].yres * modes[i].bpp / 8;
- if (smemlen > fbi->fb.fix.smem_len)
- fbi->fb.fix.smem_len = smemlen;
- }
+ return fbi->video_mem ? 0 : -ENOMEM;
}
static void pxafb_decode_mach_info(struct pxafb_info *fbi,
struct pxafb_mach_info *inf)
{
unsigned int lcd_conn = inf->lcd_conn;
+ struct pxafb_mode_info *m;
+ int i;
fbi->cmap_inverse = inf->cmap_inverse;
fbi->cmap_static = inf->cmap_static;
+ fbi->lccr4 = inf->lccr4;
switch (lcd_conn & LCD_TYPE_MASK) {
case LCD_TYPE_MONO_STN:
@@ -1398,7 +1693,6 @@ static void pxafb_decode_mach_info(struct pxafb_info *fbi,
/* fall back to backward compatibility way */
fbi->lccr0 = inf->lccr0;
fbi->lccr3 = inf->lccr3;
- fbi->lccr4 = inf->lccr4;
goto decode_mode;
}
@@ -1412,7 +1706,22 @@ static void pxafb_decode_mach_info(struct pxafb_info *fbi,
fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL) ? LCCR3_PCP : 0;
decode_mode:
- pxafb_decode_mode_info(fbi, inf->modes, inf->num_modes);
+ pxafb_setmode(&fbi->fb.var, &inf->modes[0]);
+
+ /* decide video memory size as follows:
+ * 1. default to mode of maximum resolution
+ * 2. allow platform to override
+ * 3. allow module parameter to override
+ */
+ for (i = 0, m = &inf->modes[0]; i < inf->num_modes; i++, m++)
+ fbi->video_mem_size = max_t(size_t, fbi->video_mem_size,
+ m->xres * m->yres * m->bpp / 8);
+
+ if (inf->video_mem_size > fbi->video_mem_size)
+ fbi->video_mem_size = inf->video_mem_size;
+
+ if (video_mem_size > fbi->video_mem_size)
+ fbi->video_mem_size = video_mem_size;
}
static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
@@ -1429,7 +1738,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
memset(fbi, 0, sizeof(struct pxafb_info));
fbi->dev = dev;
- fbi->clk = clk_get(dev, "LCDCLK");
+ fbi->clk = clk_get(dev, NULL);
if (IS_ERR(fbi->clk)) {
kfree(fbi);
return NULL;
@@ -1440,7 +1749,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
fbi->fb.fix.type = FB_TYPE_PACKED_PIXELS;
fbi->fb.fix.type_aux = 0;
fbi->fb.fix.xpanstep = 0;
- fbi->fb.fix.ypanstep = 0;
+ fbi->fb.fix.ypanstep = 1;
fbi->fb.fix.ywrapstep = 0;
fbi->fb.fix.accel = FB_ACCEL_NONE;
@@ -1448,7 +1757,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
fbi->fb.var.activate = FB_ACTIVATE_NOW;
fbi->fb.var.height = -1;
fbi->fb.var.width = -1;
- fbi->fb.var.accel_flags = 0;
+ fbi->fb.var.accel_flags = FB_ACCELF_TEXT;
fbi->fb.var.vmode = FB_VMODE_NONINTERLACED;
fbi->fb.fbops = &pxafb_ops;
@@ -1468,10 +1777,6 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
INIT_WORK(&fbi->task, pxafb_task);
mutex_init(&fbi->ctrlr_lock);
init_completion(&fbi->disable_done);
-#ifdef CONFIG_FB_PXA_SMARTPANEL
- init_completion(&fbi->command_done);
- init_completion(&fbi->refresh_done);
-#endif
return fbi;
}
@@ -1544,7 +1849,9 @@ static int __devinit parse_opt(struct device *dev, char *this_opt)
s[0] = '\0';
- if (!strncmp(this_opt, "mode:", 5)) {
+ if (!strncmp(this_opt, "vmem:", 5)) {
+ video_mem_size = memparse(this_opt + 5, NULL);
+ } else if (!strncmp(this_opt, "mode:", 5)) {
return parse_opt_mode(dev, this_opt);
} else if (!strncmp(this_opt, "pixclock:", 9)) {
mode->pixclock = simple_strtoul(this_opt+9, NULL, 0);
@@ -1748,8 +2055,7 @@ static int __devinit pxafb_probe(struct platform_device *dev)
ret = -EINVAL;
goto failed;
}
- pxafb_backlight_power = inf->pxafb_backlight_power;
- pxafb_lcd_power = inf->pxafb_lcd_power;
+
fbi = pxafb_init_fbinfo(&dev->dev);
if (!fbi) {
/* only reason for pxafb_init_fbinfo to fail is kmalloc */
@@ -1758,6 +2064,9 @@ static int __devinit pxafb_probe(struct platform_device *dev)
goto failed;
}
+ fbi->backlight_power = inf->pxafb_backlight_power;
+ fbi->lcd_power = inf->pxafb_lcd_power;
+
r = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (r == NULL) {
dev_err(&dev->dev, "no I/O memory resource defined\n");
@@ -1779,12 +2088,20 @@ static int __devinit pxafb_probe(struct platform_device *dev)
goto failed_free_res;
}
- /* Initialize video memory */
- ret = pxafb_map_video_memory(fbi);
+ fbi->dma_buff_size = PAGE_ALIGN(sizeof(struct pxafb_dma_buff));
+ fbi->dma_buff = dma_alloc_coherent(fbi->dev, fbi->dma_buff_size,
+ &fbi->dma_buff_phys, GFP_KERNEL);
+ if (fbi->dma_buff == NULL) {
+ dev_err(&dev->dev, "failed to allocate memory for DMA\n");
+ ret = -ENOMEM;
+ goto failed_free_io;
+ }
+
+ ret = pxafb_init_video_memory(fbi);
if (ret) {
dev_err(&dev->dev, "Failed to allocate video RAM: %d\n", ret);
ret = -ENOMEM;
- goto failed_free_io;
+ goto failed_free_dma;
}
irq = platform_get_irq(dev, 0);
@@ -1801,13 +2118,12 @@ static int __devinit pxafb_probe(struct platform_device *dev)
goto failed_free_mem;
}
-#ifdef CONFIG_FB_PXA_SMARTPANEL
ret = pxafb_smart_init(fbi);
if (ret) {
dev_err(&dev->dev, "failed to initialize smartpanel\n");
goto failed_free_irq;
}
-#endif
+
/*
* This makes sure that our colour bitfield
* descriptors are correctly initialised.
@@ -1833,6 +2149,8 @@ static int __devinit pxafb_probe(struct platform_device *dev)
goto failed_free_cmap;
}
+ pxafb_overlay_init(fbi);
+
#ifdef CONFIG_CPU_FREQ
fbi->freq_transition.notifier_call = pxafb_freq_transition;
fbi->freq_policy.notifier_call = pxafb_freq_policy;
@@ -1855,8 +2173,10 @@ failed_free_cmap:
failed_free_irq:
free_irq(irq, fbi);
failed_free_mem:
- dma_free_writecombine(&dev->dev, fbi->map_size,
- fbi->map_cpu, fbi->map_dma);
+ free_pages_exact(fbi->video_mem, fbi->video_mem_size);
+failed_free_dma:
+ dma_free_coherent(&dev->dev, fbi->dma_buff_size,
+ fbi->dma_buff, fbi->dma_buff_phys);
failed_free_io:
iounmap(fbi->mmio_base);
failed_free_res:
@@ -1881,6 +2201,7 @@ static int __devexit pxafb_remove(struct platform_device *dev)
info = &fbi->fb;
+ pxafb_overlay_exit(fbi);
unregister_framebuffer(info);
pxafb_disable_controller(fbi);
@@ -1891,8 +2212,10 @@ static int __devexit pxafb_remove(struct platform_device *dev)
irq = platform_get_irq(dev, 0);
free_irq(irq, fbi);
- dma_free_writecombine(&dev->dev, fbi->map_size,
- fbi->map_cpu, fbi->map_dma);
+ free_pages_exact(fbi->video_mem, fbi->video_mem_size);
+
+ dma_free_writecombine(&dev->dev, fbi->dma_buff_size,
+ fbi->dma_buff, fbi->dma_buff_phys);
iounmap(fbi->mmio_base);
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 31541b86f13d..2353521c5c8c 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -54,11 +54,55 @@ enum {
#define PALETTE_SIZE (256 * 4)
#define CMD_BUFF_SIZE (1024 * 50)
+/* NOTE: the palette and frame dma descriptors are doubled to allow
+ * the 2nd set for branch settings (FBRx)
+ */
struct pxafb_dma_buff {
unsigned char palette[PAL_MAX * PALETTE_SIZE];
uint16_t cmd_buff[CMD_BUFF_SIZE];
- struct pxafb_dma_descriptor pal_desc[PAL_MAX];
- struct pxafb_dma_descriptor dma_desc[DMA_MAX];
+ struct pxafb_dma_descriptor pal_desc[PAL_MAX * 2];
+ struct pxafb_dma_descriptor dma_desc[DMA_MAX * 2];
+};
+
+enum {
+ OVERLAY1,
+ OVERLAY2,
+};
+
+enum {
+ OVERLAY_FORMAT_RGB = 0,
+ OVERLAY_FORMAT_YUV444_PACKED,
+ OVERLAY_FORMAT_YUV444_PLANAR,
+ OVERLAY_FORMAT_YUV422_PLANAR,
+ OVERLAY_FORMAT_YUV420_PLANAR,
+};
+
+#define NONSTD_TO_XPOS(x) (((x) >> 0) & 0x3ff)
+#define NONSTD_TO_YPOS(x) (((x) >> 10) & 0x3ff)
+#define NONSTD_TO_PFOR(x) (((x) >> 20) & 0x7)
+
+struct pxafb_layer;
+
+struct pxafb_layer_ops {
+ void (*enable)(struct pxafb_layer *);
+ void (*disable)(struct pxafb_layer *);
+ void (*setup)(struct pxafb_layer *);
+};
+
+struct pxafb_layer {
+ struct fb_info fb;
+ int id;
+ atomic_t usage;
+ uint32_t control[2];
+
+ struct pxafb_layer_ops *ops;
+
+ void __iomem *video_mem;
+ unsigned long video_mem_phys;
+ size_t video_mem_size;
+ struct completion branch_done;
+
+ struct pxafb_info *fbi;
};
struct pxafb_info {
@@ -69,24 +113,15 @@ struct pxafb_info {
void __iomem *mmio_base;
struct pxafb_dma_buff *dma_buff;
+ size_t dma_buff_size;
dma_addr_t dma_buff_phys;
- dma_addr_t fdadr[DMA_MAX];
-
- /*
- * These are the addresses we mapped
- * the framebuffer memory region to.
- */
- /* raw memory addresses */
- dma_addr_t map_dma; /* physical */
- u_char * map_cpu; /* virtual */
- u_int map_size;
-
- /* addresses of pieces placed in raw buffer */
- u_char * screen_cpu; /* virtual address of frame buffer */
- dma_addr_t screen_dma; /* physical address of frame buffer */
+ dma_addr_t fdadr[DMA_MAX * 2];
+
+ void __iomem *video_mem; /* virtual address of frame buffer */
+ unsigned long video_mem_phys; /* physical address of frame buffer */
+ size_t video_mem_size; /* size of the frame buffer */
u16 * palette_cpu; /* virtual address of palette memory */
u_int palette_size;
- ssize_t video_offset;
u_int lccr0;
u_int lccr3;
@@ -120,10 +155,17 @@ struct pxafb_info {
struct task_struct *smart_thread;
#endif
+#ifdef CONFIG_FB_PXA_OVERLAY
+ struct pxafb_layer overlay[2];
+#endif
+
#ifdef CONFIG_CPU_FREQ
struct notifier_block freq_transition;
struct notifier_block freq_policy;
#endif
+
+ void (*lcd_power)(int, struct fb_var_screeninfo *);
+ void (*backlight_power)(int);
};
#define TO_INF(ptr,member) container_of(ptr,struct pxafb_info,member)
@@ -148,4 +190,10 @@ struct pxafb_info {
#define MIN_XRES 64
#define MIN_YRES 64
+/* maximum X and Y resolutions - note these are limits from the register
+ * bits length instead of the real ones
+ */
+#define MAX_XRES 1024
+#define MAX_YRES 1024
+
#endif /* __PXAFB_H__ */
diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c
index c052bd4c0b06..076f946fa0f5 100644
--- a/drivers/video/sa1100fb.c
+++ b/drivers/video/sa1100fb.c
@@ -114,7 +114,7 @@
* - convert dma address types to dma_addr_t
* - remove unused 'montype' stuff
* - remove redundant zero inits of init_var after the initial
- * memzero.
+ * memset.
* - remove allow_modeset (acornfb idea does not belong here)
*
* 2001/05/28: <rmk@arm.linux.org.uk>
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index f7f6ce82a5e2..e31925ee8346 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -42,7 +42,7 @@
#undef S3C_VA_WATCHDOG
#define S3C_VA_WATCHDOG (0)
-#include <asm/plat-s3c/regs-watchdog.h>
+#include <plat/regs-watchdog.h>
#define PFX "s3c2410-wdt: "
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index ed01e4c2beff..e19b45794717 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/uaccess.h>
+#include <linux/timex.h>
#ifdef CONFIG_ARCH_PXA
#include <mach/pxa-regs.h>
@@ -35,8 +36,7 @@
#include <mach/reset.h>
#include <mach/hardware.h>
-#define OSCR_FREQ CLOCK_TICK_RATE
-
+static unsigned long oscr_freq;
static unsigned long sa1100wdt_users;
static int pre_margin;
static int boot_status;
@@ -123,12 +123,12 @@ static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
break;
}
- pre_margin = OSCR_FREQ * time;
+ pre_margin = oscr_freq * time;
OSMR3 = OSCR + pre_margin;
/*fall through*/
case WDIOC_GETTIMEOUT:
- ret = put_user(pre_margin / OSCR_FREQ, p);
+ ret = put_user(pre_margin / oscr_freq, p);
break;
}
return ret;
@@ -155,6 +155,8 @@ static int __init sa1100dog_init(void)
{
int ret;
+ oscr_freq = get_clock_tick_rate();
+
/*
* Read the reset status, and save it for later. If
* we suspend, RCSR will be cleared, and the watchdog
@@ -162,7 +164,7 @@ static int __init sa1100dog_init(void)
*/
boot_status = (reset_status & RESET_STATUS_WATCHDOG) ?
WDIOF_CARDRESET : 0;
- pre_margin = OSCR_FREQ * margin;
+ pre_margin = oscr_freq * margin;
ret = misc_register(&sa1100dog_miscdev);
if (ret == 0)
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