X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=src%2Fcp210x.h;h=315e2039f9c7d8d1dc847fcfda6a6007900513e9;hb=62f7ab54a8973d9de7a76e79fed81347908505c4;hp=f3c96a801baa7a97e7221a227b549c1359fc4b3a;hpb=adcc360e576188af96b2dd22be2bed75e151d769;p=cp210x.git

diff --git a/src/cp210x.h b/src/cp210x.h
index f3c96a8..315e203 100644
--- a/src/cp210x.h
+++ b/src/cp210x.h
@@ -7,7 +7,7 @@
  *	modify it under the terms of the GNU General Public License version
  *	2 as published by the Free Software Foundation.
  *
- * Definitions usable by both the cp210x kernel module and userspace.
+ * Header file shared by both the cp210x kernel module and userspace.
  *
  */
 
@@ -17,26 +17,25 @@
 #if defined(__KERNEL__)
 #include <linux/sockios.h>
 #else
-#include <asm/types.h>
+#include <linux/types.h>
 #include <sys/ioctl.h>
 #endif
 
 /* CP2103 GPIO ioctls */
-#define CP210x_IOCTL_GPIOGET		(SIOCDEVPRIVATE + 0)	/* Get gpio bits */
-#define CP210x_IOCTL_GPIOSET		(SIOCDEVPRIVATE + 1)	/* Set gpio bits */
-#define CP210x_IOCTL_GPIOBIC		(SIOCDEVPRIVATE + 2)	/* Clear specific gpio bit(s) */
-#define CP210x_IOCTL_GPIOBIS		(SIOCDEVPRIVATE + 3)	/* Set specific gpio bit(s) */
+#define CP210x_IOCTL_GPIOGET		(SIOCDEVPRIVATE + 0)
+#define CP210x_IOCTL_GPIOSET		(SIOCDEVPRIVATE + 1)
+#define CP210x_IOCTL_GPIOBIC		(SIOCDEVPRIVATE + 2)
+#define CP210x_IOCTL_GPIOBIS		(SIOCDEVPRIVATE + 3)
 
 /* CP210x ioctls principally used during initial device configuration */
-#define CP210x_IOCTL_DEVICERESET	(SIOCDEVPRIVATE + 4)	/* Reset the cp210x */
-#define CP210x_IOCTL_PORTCONFGET	(SIOCDEVPRIVATE + 5)	/* Get port configuration */
-#define CP210x_IOCTL_PORTCONFSET	(SIOCDEVPRIVATE + 6)	/* Set port configuration */
-#define CP210x_IOCTL_SETVID		(SIOCDEVPRIVATE + 7)	/* Set vendor id */
-#define CP210x_IOCTL_SETPID		(SIOCDEVPRIVATE + 8)	/* Set product id */
-#define CP210x_IOCTL_SETMFG		(SIOCDEVPRIVATE + 9)	/* Set manufacturer string */
-#define CP210x_IOCTL_SETPRODUCT	(SIOCDEVPRIVATE + 10)	/* Set product string */
-#define CP210x_IOCTL_SETSERIAL		(SIOCDEVPRIVATE + 11)	/* Set serial number string */
-#define CP210x_IOCTL_SETDEVVER		(SIOCDEVPRIVATE + 12)	/* Set device version id */
+#define CP210x_IOCTL_DEVICERESET	(SIOCDEVPRIVATE + 4)
+#define CP210x_IOCTL_PORTCONFGET	(SIOCDEVPRIVATE + 5)
+#define CP210x_IOCTL_PORTCONFSET	(SIOCDEVPRIVATE + 6)
+#define CP210x_IOCTL_SETVID		(SIOCDEVPRIVATE + 7)
+#define CP210x_IOCTL_SETPID		(SIOCDEVPRIVATE + 8)
+#define CP210x_IOCTL_SETPRODUCT		(SIOCDEVPRIVATE + 9)
+#define CP210x_IOCTL_SETSERIAL		(SIOCDEVPRIVATE + 10)
+#define CP210x_IOCTL_SETDEVVER		(SIOCDEVPRIVATE + 11)
 
 /* CP2103 GPIO bit positions */
 #define GPIO_0			0x01
@@ -46,11 +45,83 @@
 #define GPIO_MASK		(GPIO_3|GPIO_2|GPIO_1|GPIO_0)
 
 /* USB descriptor sizes */
-#define	CP210x_MAX_MFG_STRLEN		255
 #define	CP210x_MAX_PRODUCT_STRLEN	126
 #define	CP210x_MAX_SERIAL_STRLEN	63
 
-/* Used to pass variable sized buffers between user and kernel space (ioctls) */
+#if !defined(__KERNEL__)
+/* Mode and latch bit to pin assignments. See AN223 from SiLabs:
+ * https://www.silabs.com/Support Documents/TechnicalDocs/an223.pdf
+ *
+ *  15 - /SUSPEND	Can't configure latch
+ *  14 - SUSPEND	Can't configure latch
+ *  13 - unused
+ *  12 - unused
+ *  11 - GPIO_3
+ *  10 - GPIO_2
+ *   9 - GPIO_1
+ *   8 - GPIO_0
+ *   7 - /CTS
+ *   6 - /RTS
+ *   5 - RXD	Note: set latch value to '1' for proper operation.
+ *   4 - TXD
+ *   3 - /DSR
+ *   2 - /DTR
+ *   1 - /DCD
+ *   0 - /RI
+ *
+ * Mode bit values:
+ *   1 - A value of one in a bit places the corresponding IO pin in push-
+ *       pull output mode.
+ *   0 - A value of zero in a bit places the corresponding IO pin in open-
+ *       drain output mode.
+ *
+ * Latch bit values:
+ *   1 - A value of one in a bit sets the corresponding IO pin's value to
+ *       output high.  If the mode is push-pull, the pin sources current
+ *       from VIO.  If the mode is open-drain, the pin driver is in high
+ *       impedance.
+ *   0 - A value of zero in a bit sets the corresponding IO pin's value to
+ *       output low.  In either mode, push-pull or open-drain, the pin
+ *       driver sinks current to ground.
+ */
+#define CP210x_CFG_nSUSPEND		0x8000
+#define CP210x_CFG_SUSPEND		0x4000
+#define CP210x_CFG_UNUSED13		0x2000
+#define CP210x_CFG_UNUSED12		0x1000
+#define CP210x_CFG_GPIO_3		0x0800
+#define CP210x_CFG_GPIO_2		0x0400
+#define CP210x_CFG_GPIO_1		0x0200
+#define CP210x_CFG_GPIO_0		0x0100
+#define CP210x_CFG_nCTS			0x0080
+#define CP210x_CFG_nRTS			0x0040
+#define CP210x_CFG_RXD			0x0020
+#define CP210x_CFG_TXD			0x0010
+#define CP210x_CFG_nDSR			0x0008
+#define CP210x_CFG_nDTR			0x0004
+#define CP210x_CFG_nDCD			0x0002
+#define CP210x_CFG_nRI			0x0001
+
+/* Enhanced function bits:
+ *   7 - GPIO dynamic suspend, for 4 GPIO signals
+ *   6 - Serial dynamic suspend, for 8 UART/Modem signals
+ *   5 - unused, leave zero
+ *   4 - Enable weak pull-ups
+ *   3 - unused, leave zero
+ *   2 - /RS485_TX on GPIO_2
+ *   1 - /RXLED on GPIO_1
+ *   0 - /TXLED on GPIO_0
+*/
+#define CP210x_ENH_GPIO_DYNSUSP		0x80
+#define CP210x_ENH_SERIAL_DYNSUSP	0x40
+#define CP210x_ENH_UNUSED5		0x20
+#define CP210x_ENH_PULLUPS		0x10
+#define CP210x_ENH_UNUSED3		0x08
+#define CP210x_ENH_nRS485_TX		0x04
+#define CP210x_ENH_nRXLED		0x02
+#define CP210x_ENH_nTXLED		0x01
+#endif /* __KERNEL__ */
+
+/* Used to pass variable size buffers between user and kernel space (ioctls) */
 struct cp210x_buffer {
 	__u8 *buf;
 	__s32 len;