Changeset 6a44ee4 in mainline for uspace/srv/hid/input/port/adb_mouse.c
- Timestamp:
- 2011-07-20T15:26:21Z (13 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- efcebe1
- Parents:
- 25bef0ff (diff), a701812 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 moved
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uspace/srv/hid/input/port/adb_mouse.c
r25bef0ff r6a44ee4 1 1 /* 2 * Copyright (c) 20 09 Jiri Svoboda2 * Copyright (c) 2011 Martin Decky 3 3 * All rights reserved. 4 4 * … … 27 27 */ 28 28 29 /** @addtogroup mouse 29 /** @addtogroup mouse_port 30 * @ingroup mouse 30 31 * @{ 31 */ 32 */ 32 33 /** @file 33 * @brief 34 * @brief ADB mouse port driver. 34 35 */ 35 36 36 #include <ipc/ char.h>37 #include <ipc/adb.h> 37 38 #include <async.h> 38 #include <vfs/vfs.h> 39 #include <fcntl.h> 39 #include <input.h> 40 #include <mouse_port.h> 41 #include <mouse.h> 40 42 #include <errno.h> 43 #include <devmap.h> 41 44 42 #include <char_mouse.h> 43 #include <mouse_port.h> 45 static mouse_dev_t *mouse_dev; 46 static async_sess_t *dev_sess; 44 47 45 static void chardev_events(ipc_callid_t iid, ipc_call_t *icall); 46 47 static int dev_phone; 48 49 #define NAME "char_mouse" 50 51 int mouse_port_init(void) 52 { 53 const char *input = "/dev/char/ps2b"; 54 int input_fd; 55 56 printf(NAME ": open %s\n", input); 57 58 input_fd = open(input, O_RDONLY); 59 if (input_fd < 0) { 60 printf(NAME ": Failed opening %s (%d)\n", input, input_fd); 61 return false; 62 } 63 64 dev_phone = fd_phone(input_fd); 65 if (dev_phone < 0) { 66 printf(NAME ": Failed to connect to device\n"); 67 return false; 68 } 69 70 /* NB: The callback connection is slotted for removal */ 71 if (async_connect_to_me(dev_phone, 0, 0, 0, chardev_events) != 0) { 72 printf(NAME ": Failed to create callback from device\n"); 73 return false; 74 } 75 76 return 0; 77 } 78 79 void mouse_port_yield(void) 80 { 81 } 82 83 void mouse_port_reclaim(void) 84 { 85 } 86 87 void mouse_port_write(uint8_t data) 88 { 89 async_msg_1(dev_phone, CHAR_WRITE_BYTE, data); 90 } 91 92 static void chardev_events(ipc_callid_t iid, ipc_call_t *icall) 48 static void mouse_port_events(ipc_callid_t iid, ipc_call_t *icall, void *arg) 93 49 { 94 50 /* Ignore parameters, the connection is already opened */ 95 51 while (true) { 96 97 52 ipc_call_t call; 98 53 ipc_callid_t callid = async_get_call(&call); 99 54 100 55 int retval; 101 102 switch (IPC_GET_IMETHOD(call)) { 103 case IPC_M_PHONE_HUNGUP: 56 57 if (!IPC_GET_IMETHOD(call)) { 104 58 /* TODO: Handle hangup */ 105 59 return; 106 case IPC_FIRST_USER_METHOD: 107 mouse_handle_byte(IPC_GET_ARG1(call)); 60 } 61 62 switch (IPC_GET_IMETHOD(call)) { 63 case ADB_REG_NOTIF: 64 mouse_push_data(mouse_dev, IPC_GET_ARG1(call)); 108 65 break; 109 66 default: 110 67 retval = ENOENT; 111 68 } 69 112 70 async_answer_0(callid, retval); 113 71 } 114 72 } 115 73 74 static int adb_port_init(mouse_dev_t *mdev) 75 { 76 const char *dev = "adb/mouse"; 77 78 mouse_dev = mdev; 79 80 devmap_handle_t handle; 81 int rc = devmap_device_get_handle(dev, &handle, 0); 82 if (rc != EOK) 83 return rc; 84 85 dev_sess = devmap_device_connect(EXCHANGE_ATOMIC, handle, 0); 86 if (dev_sess == NULL) { 87 printf("%s: Failed to connect to device\n", NAME); 88 return ENOENT; 89 } 90 91 async_exch_t *exch = async_exchange_begin(dev_sess); 92 if (exch == NULL) { 93 printf("%s: Failed starting exchange with device\n", NAME); 94 async_hangup(dev_sess); 95 return ENOMEM; 96 } 97 98 /* NB: The callback connection is slotted for removal */ 99 rc = async_connect_to_me(exch, 0, 0, 0, mouse_port_events, NULL); 100 async_exchange_end(exch); 101 if (rc != EOK) { 102 printf("%s: Failed to create callback from device\n", NAME); 103 async_hangup(dev_sess); 104 return rc; 105 } 106 107 return EOK; 108 } 109 110 static void adb_port_yield(void) 111 { 112 } 113 114 static void adb_port_reclaim(void) 115 { 116 } 117 118 static void adb_port_write(uint8_t data) 119 { 120 } 121 122 mouse_port_ops_t adb_mouse_port = { 123 .init = adb_port_init, 124 .yield = adb_port_yield, 125 .reclaim = adb_port_reclaim, 126 .write = adb_port_write 127 }; 128 116 129 /** 117 130 * @}
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