summaryrefslogtreecommitdiff
path: root/arch/cris/include/asm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/cris/include/asm')
-rw-r--r--arch/cris/include/asm/Kbuild5
-rw-r--r--arch/cris/include/asm/dma-mapping.h8
-rw-r--r--arch/cris/include/asm/etraxgpio.h96
-rw-r--r--arch/cris/include/asm/ioctls.h5
-rw-r--r--arch/cris/include/asm/pgtable.h3
-rw-r--r--arch/cris/include/asm/scatterlist.h2
-rw-r--r--arch/cris/include/asm/sync_serial.h27
-rw-r--r--arch/cris/include/asm/termbits.h1
8 files changed, 113 insertions, 34 deletions
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index d5b631935ec8..956eea246b97 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -4,8 +4,7 @@ header-y += arch-v10/
header-y += arch-v32/
header-y += ethernet.h
+header-y += etraxgpio.h
+header-y += rs485.h
header-y += rtc.h
header-y += sync_serial.h
-
-unifdef-y += etraxgpio.h
-unifdef-y += rs485.h
diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h
index da8ef8e8f842..8588b2ccf854 100644
--- a/arch/cris/include/asm/dma-mapping.h
+++ b/arch/cris/include/asm/dma-mapping.h
@@ -152,14 +152,6 @@ dma_set_mask(struct device *dev, u64 mask)
return 0;
}
-static inline int
-dma_get_cache_alignment(void)
-{
- return (1 << INTERNODE_CACHE_SHIFT);
-}
-
-#define dma_is_consistent(d, h) (1)
-
static inline void
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction)
diff --git a/arch/cris/include/asm/etraxgpio.h b/arch/cris/include/asm/etraxgpio.h
index 38f1c8e1770c..d474818a537e 100644
--- a/arch/cris/include/asm/etraxgpio.h
+++ b/arch/cris/include/asm/etraxgpio.h
@@ -21,31 +21,35 @@
* /dev/leds minor 2, Access to leds depending on kernelconfig
*
* For ARTPEC-3 (CONFIG_CRIS_MACH_ARTPEC3):
- * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction
- * /dev/gpiob minor 1, 18 bit GPIO, each bit can change direction
- * /dev/gpioc minor 3, 18 bit GPIO, each bit can change direction
- * /dev/gpiod minor 4, 18 bit GPIO, each bit can change direction
+ * /dev/gpioa minor 0, 32 bit GPIO, each bit can change direction
+ * /dev/gpiob minor 1, 32 bit GPIO, each bit can change direction
+ * /dev/gpioc minor 3, 16 bit GPIO, each bit can change direction
+ * /dev/gpiod minor 4, 32 bit GPIO, input only
* /dev/leds minor 2, Access to leds depending on kernelconfig
* /dev/pwm0 minor 16, PWM channel 0 on PA30
* /dev/pwm1 minor 17, PWM channel 1 on PA31
* /dev/pwm2 minor 18, PWM channel 2 on PB26
+ * /dev/ppwm minor 19, PPWM channel
*
*/
#ifndef _ASM_ETRAXGPIO_H
#define _ASM_ETRAXGPIO_H
+#define GPIO_MINOR_FIRST 0
+
+#define ETRAXGPIO_IOCTYPE 43
+
/* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */
#ifdef CONFIG_ETRAX_ARCH_V10
-#define ETRAXGPIO_IOCTYPE 43
#define GPIO_MINOR_A 0
#define GPIO_MINOR_B 1
#define GPIO_MINOR_LEDS 2
#define GPIO_MINOR_G 3
#define GPIO_MINOR_LAST 3
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST
#endif
#ifdef CONFIG_ETRAXFS
-#define ETRAXGPIO_IOCTYPE 43
#define GPIO_MINOR_A 0
#define GPIO_MINOR_B 1
#define GPIO_MINOR_LEDS 2
@@ -58,10 +62,10 @@
#else
#define GPIO_MINOR_LAST 5
#endif
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST
#endif
#ifdef CONFIG_CRIS_MACH_ARTPEC3
-#define ETRAXGPIO_IOCTYPE 43
#define GPIO_MINOR_A 0
#define GPIO_MINOR_B 1
#define GPIO_MINOR_LEDS 2
@@ -73,12 +77,17 @@
#else
#define GPIO_MINOR_LAST 4
#endif
-#define GPIO_MINOR_PWM0 16
-#define GPIO_MINOR_PWM1 17
-#define GPIO_MINOR_PWM2 18
-#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PWM2
+#define GPIO_MINOR_FIRST_PWM 16
+#define GPIO_MINOR_PWM0 (GPIO_MINOR_FIRST_PWM+0)
+#define GPIO_MINOR_PWM1 (GPIO_MINOR_FIRST_PWM+1)
+#define GPIO_MINOR_PWM2 (GPIO_MINOR_FIRST_PWM+2)
+#define GPIO_MINOR_PPWM (GPIO_MINOR_FIRST_PWM+3)
+#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PPWM
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST_PWM
#endif
+
+
/* supported ioctl _IOC_NR's */
#define IO_READBITS 0x1 /* read and return current port bits (obsolete) */
@@ -125,12 +134,10 @@
*/
#define IO_READ_INBITS 0x10 /* *arg is result of reading the input pins */
#define IO_READ_OUTBITS 0x11 /* *arg is result of reading the output shadow */
-#define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input,
- * *arg updated with current input pins.
- */
-#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output,
- * *arg updated with current output pins.
- */
+#define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input, */
+ /* *arg updated with current input pins. */
+#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, */
+ /* *arg updated with current output pins. */
/* The following ioctl's are applicable to the PWM channels only */
@@ -140,7 +147,8 @@ enum io_pwm_mode {
PWM_OFF = 0, /* disabled, deallocated */
PWM_STANDARD = 1, /* 390 kHz, duty cycle 0..255/256 */
PWM_FAST = 2, /* variable freq, w/ 10ns active pulse len */
- PWM_VARFREQ = 3 /* individually configurable high/low periods */
+ PWM_VARFREQ = 3, /* individually configurable high/low periods */
+ PWM_SOFT = 4 /* software generated */
};
struct io_pwm_set_mode {
@@ -176,4 +184,56 @@ struct io_pwm_set_duty {
int duty; /* 0..255 */
};
+/* Returns information about the latest PWM pulse.
+ * lo: Length of the latest low period, in units of 10ns.
+ * hi: Length of the latest high period, in units of 10ns.
+ * cnt: Time since last detected edge, in units of 10ns.
+ *
+ * The input source to PWM is decied by IO_PWM_SET_INPUT_SRC.
+ *
+ * NOTE: All PWM devices is connected to the same input source.
+ */
+#define IO_PWM_GET_PERIOD 0x23
+
+struct io_pwm_get_period {
+ unsigned int lo;
+ unsigned int hi;
+ unsigned int cnt;
+};
+
+/* Sets the input source for the PWM input. For the src value see the
+ * register description for gio:rw_pwm_in_cfg.
+ *
+ * NOTE: All PWM devices is connected to the same input source.
+ */
+#define IO_PWM_SET_INPUT_SRC 0x24
+struct io_pwm_set_input_src {
+ unsigned int src; /* 0..7 */
+};
+
+/* Sets the duty cycles in steps of 1/256, 0 = 0%, 255 = 100% duty cycle */
+#define IO_PPWM_SET_DUTY 0x25
+
+struct io_ppwm_set_duty {
+ int duty; /* 0..255 */
+};
+
+/* Configuraton struct for the IO_PWMCLK_SET_CONFIG ioctl to configure
+ * PWM capable gpio pins:
+ */
+#define IO_PWMCLK_SETGET_CONFIG 0x26
+struct gpio_pwmclk_conf {
+ unsigned int gpiopin; /* The pin number based on the opened device */
+ unsigned int baseclk; /* The base clock to use, or sw will select one close*/
+ unsigned int low; /* The number of low periods of the baseclk */
+ unsigned int high; /* The number of high periods of the baseclk */
+};
+
+/* Examples:
+ * To get a symmetric 12 MHz clock without knowing anything about the hardware:
+ * baseclk = 12000000, low = 0, high = 0
+ * To just get info of current setting:
+ * baseclk = 0, low = 0, high = 0, the values will be updated by driver.
+ */
+
#endif
diff --git a/arch/cris/include/asm/ioctls.h b/arch/cris/include/asm/ioctls.h
index 35bbc181598a..c9129ed37443 100644
--- a/arch/cris/include/asm/ioctls.h
+++ b/arch/cris/include/asm/ioctls.h
@@ -54,6 +54,7 @@
#define TCSETSF2 _IOW('T',0x2D, struct termios2)
#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */
+#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */
#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */
#define FIOCLEX 0x5451
@@ -70,13 +71,12 @@
#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */
#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
-#define TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */
-#define TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */
#define FIOQSIZE 0x5460
#define TIOCSERSETRS485 0x5461 /* enable rs-485 (deprecated) */
#define TIOCSERWRRS485 0x5462 /* write rs-485 */
#define TIOCSRS485 0x5463 /* enable rs-485 */
+#define TIOCGRS485 0x542E /* get rs-485 */
/* Used for packet mode */
#define TIOCPKT_DATA 0
@@ -86,6 +86,7 @@
#define TIOCPKT_START 8
#define TIOCPKT_NOSTOP 16
#define TIOCPKT_DOSTOP 32
+#define TIOCPKT_IOCTL 64
#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */
diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h
index 99ea6cd1b143..f63d6fccbc6c 100644
--- a/arch/cris/include/asm/pgtable.h
+++ b/arch/cris/include/asm/pgtable.h
@@ -260,6 +260,9 @@ static inline pgd_t * pgd_offset(const struct mm_struct *mm, unsigned long addre
#define pgd_ERROR(e) \
printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), pgd_val(e))
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
+ remap_pfn_range(vma, vaddr, pfn, size, prot)
+
extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */
diff --git a/arch/cris/include/asm/scatterlist.h b/arch/cris/include/asm/scatterlist.h
index 249a7842ff5f..f11f8f40ec4a 100644
--- a/arch/cris/include/asm/scatterlist.h
+++ b/arch/cris/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
#include <asm-generic/scatterlist.h>
-#define ISA_DMA_THRESHOLD (0x1fffffff)
-
#endif /* !(__ASM_CRIS_SCATTERLIST_H) */
diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/asm/sync_serial.h
index d87c24df2b38..7f827fea30e7 100644
--- a/arch/cris/include/asm/sync_serial.h
+++ b/arch/cris/include/asm/sync_serial.h
@@ -19,6 +19,7 @@
#define SSP_OPOLARITY _IOR('S', 4, unsigned int)
#define SSP_SPI _IOR('S', 5, unsigned int)
#define SSP_INBUFCHUNK _IOR('S', 6, unsigned int)
+#define SSP_INPUT _IOR('S', 7, unsigned int)
/* Values for SSP_SPEED */
#define SSP150 0
@@ -37,6 +38,7 @@
#define SSP921600 13
#define SSP3125000 14
#define CODEC 15
+#define CODEC_f32768 16
#define FREQ_4MHz 0
#define FREQ_2MHz 1
@@ -46,9 +48,14 @@
#define FREQ_128kHz 5
#define FREQ_64kHz 6
#define FREQ_32kHz 7
+/* FREQ_* with values where bit (value & 0x10) is set are */
+/* used for CODEC_f32768 */
+#define FREQ_4096kHz 16 /* CODEC_f32768 */
/* Used by application to set CODEC divider, word rate and frame rate */
-#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28))
+#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \
+ ((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \
+ (clk_per_sync << 16) | (sync_per_frame << 28))
/* Used by driver to extract speed */
#define GET_SPEED(x) (x & 0xff)
@@ -68,6 +75,7 @@
#define NORMAL_SYNC 1
#define EARLY_SYNC 2
#define SECOND_WORD_SYNC 0x40000
+#define LATE_SYNC 0x80000
#define BIT_SYNC 4
#define WORD_SYNC 8
@@ -104,4 +112,21 @@
/* Values for SSP_INBUFCHUNK */
/* plain integer with the size of DMA chunks */
+/* To ensure that the timestamps are aligned with the data being read
+ * the read length MUST be a multiple of the length of the DMA buffers.
+ *
+ * Use a multiple of SSP_INPUT_CHUNK_SIZE defined below.
+ */
+#define SSP_INPUT_CHUNK_SIZE 256
+
+/* Request struct to pass through the ioctl interface to read
+ * data with timestamps.
+ */
+struct ssp_request {
+ char __user *buf; /* Where to put the data. */
+ size_t len; /* Size of buf. MUST be a multiple of */
+ /* SSP_INPUT_CHUNK_SIZE! */
+ struct timespec ts; /* The time the data was sampled. */
+};
+
#endif
diff --git a/arch/cris/include/asm/termbits.h b/arch/cris/include/asm/termbits.h
index 66e1a7492a0c..1c43bc874ccf 100644
--- a/arch/cris/include/asm/termbits.h
+++ b/arch/cris/include/asm/termbits.h
@@ -214,6 +214,7 @@ struct ktermios {
#define FLUSHO 0010000
#define PENDIN 0040000
#define IEXTEN 0100000
+#define EXTPROC 0200000
/* tcflow() and TCXONC use these */
#define TCOOFF 0