usb_gadget: Move common code to hwcommon

Change-Id: Ifefacd16a9c74522c2527fd26e23db20771a4286
Signed-off-by: Paweł Szewczyk <p.szewczyk@samsung.com>

diff --git a/hw/usb_gadget/usb_gadget.c b/hw/usb_gadget/usb_gadget.c
index 38e9e6c..470a984 100755 (executable)
--- a/hw/usb_gadget/usb_gadget.c
+++ b/hw/usb_gadget/usb_gadget.c
@@ -20,392 +20,6 @@
 
 #include <hw/usb_gadget.h>
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-
-#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
-#define zalloc(amount) calloc(1, amount)
-
-/* Based on slp-gadget and initial version of USB HAL by Taeyoung Kim */
-#define DEFAULT_VID 0x04e8
-#define DEFAULT_PID 0x6860
-#define DEFAULT_BCD_DEVICE 0x0100
-
-#define DEFAULT_LANG 0x409 /* US_en */
-#define DEFAULT_MANUFACTURER "Samsung"
-#define DEFAULT_PRODUCT "TIZEN"
-#define DEFAULT_SERIAL "01234TEST"
-
-#define DEFAULT_BMATTRIBUTES ((1 << 7) | (1 << 6))
-#define DEFAULT_MAX_POWER 500
-
-static void simple_cleanup_config(struct usb_configuration *config)
-{
-       int i;
-
-       if (!config)
-               return;
-
-       if (config->strs) {
-               for (i = 0; config->strs[i].lang_code; ++i)
-                       free(config->strs[i].config_str);
-
-               free(config->strs);
-       }
-
-       /*
-        * Each function will be free later,
-        * for now we cleanup only pointers.
-        */
-       if (config->funcs)
-               free(config->funcs);
-
-       free(config);
-}
-
-static void simple_cleanup_gadget(struct usb_gadget *gadget)
-{
-       int i;
-
-       if (!gadget)
-               return;
-
-       if (gadget->strs) {
-               for (i = 0; gadget->strs[i].lang_code; ++i) {
-                       free(gadget->strs[i].manufacturer);
-                       free(gadget->strs[i].product);
-                       free(gadget->strs[i].serial);
-               }
-               free(gadget->strs);
-       }
-
-       if (gadget->configs) {
-               for (i = 0; gadget->configs[i]; ++i)
-                       simple_cleanup_config(gadget->configs[i]);
-
-               free(gadget->configs);
-       }
-
-       if (gadget->funcs) {
-               for (i = 0; gadget->funcs[i]; ++i)
-                       gadget->funcs[i]->free_func(gadget->funcs[i]);
-
-               free(gadget->funcs);
-       }
-
-       free(gadget);
-}
-
-static int alloc_default_config(struct usb_configuration **_config)
-{
-       struct usb_configuration *config;
-
-       config = zalloc(sizeof(*config));
-       if (!config)
-               goto out;
-
-       config->strs = calloc(1, sizeof(*config->strs));
-       if (!config->strs)
-               goto free_config;
-
-       config->attrs.bmAttributs = DEFAULT_BMATTRIBUTES;
-       config->attrs.MaxPower = DEFAULT_MAX_POWER;
-
-       *_config = config;
-
-       return 0;
-
-free_config:
-       free(config);
-out:
-       return -ENOMEM;
-}
-
-#define MMC_ID_PATH "/sys/class/mmc_host/mmc0/mmc0:0001/cid"
-#define SERIAL_OFFSET 16
-#define SERIAL_LEN 16
-#define LINE_LEN (SERIAL_OFFSET + SERIAL_LEN + 2)
-
-static int get_device_serial(char **out)
-{
-       FILE *fp;
-       char line[LINE_LEN], *p;
-
-       fp = fopen(MMC_ID_PATH, "r");
-       if (!fp)
-               return -1;
-
-       p = fgets(line, LINE_LEN, fp);
-       fclose(fp);
-       if (p == NULL)
-               return -1;
-
-       *out = strndup(line + SERIAL_OFFSET, SERIAL_LEN);
-       return 0;
-}
-
-static int alloc_default_gadget(struct usb_gadget **_gadget)
-{
-       struct usb_gadget *gadget;
-       struct usb_gadget_strings *strs;
-       struct usb_configuration **configs;
-       int ret;
-
-       gadget = zalloc(sizeof(*gadget));
-       if (!gadget)
-               goto out;
-
-       gadget->attrs.idVendor = DEFAULT_VID;
-       gadget->attrs.idProduct = DEFAULT_PID;
-       gadget->attrs.bcdDevice = DEFAULT_BCD_DEVICE;
-
-       strs = calloc(2, sizeof(*strs));
-       if (!strs)
-               goto free_gadget;
-
-       strs[0].lang_code = 0x409;
-       strs[0].manufacturer = strdup(DEFAULT_MANUFACTURER);
-       strs[0].product = strdup(DEFAULT_PRODUCT);
-       ret = get_device_serial(&strs[0].serial);
-       if (ret < 0)
-               strs[0].serial = strdup(DEFAULT_SERIAL);
-
-       if (!strs[0].manufacturer || !strs[0].product || !strs[0].serial)
-               goto free_strs;
-
-       gadget->strs = strs;
-
-       /* slp-gadget use max 2 confiuration and NULL termination */
-       configs = calloc(3, sizeof(*configs));
-       if (!configs)
-               goto free_strs;
-
-       gadget->configs = configs;
-       *_gadget = gadget;
-
-       return 0;
-
-free_strs:
-       free(strs[0].manufacturer);
-       free(strs[0].product);
-       free(strs[0].serial);
-       free(strs);
-free_gadget:
-       free(gadget);
-out:
-       return -ENOMEM;
-}
-
-static inline struct usb_function *find_func(struct usb_gadget *gadget,
-                                           int func_id)
-{
-       int i;
-
-       for (i = 0; gadget->funcs[i] && gadget->funcs[i]->id != func_id; ++i);
-
-       return gadget->funcs[i];
-}
-
-static int simple_id_to_gadget(struct usb_gadget_id *gadget_id,
-                              struct usb_gadget **_gadget)
-{
-       struct usb_gadget *gadget;
-       unsigned int n_configs = 0;
-       /* zero terminates */
-       int functions[2][sizeof(gadget_id->function_mask)*8];
-       int n_functions;
-       struct usb_function **funcs;
-       int idx, i, j;
-       int ret;
-
-       if (!gadget_id || !_gadget)
-               return -EINVAL;
-
-       ret = alloc_default_gadget(&gadget);
-       if (ret)
-               goto out;
-
-       /*
-        * Currently all gadgets use inly single configuration but
-        * slp-gadget is capable to handle two of them
-        *
-        * Order of interfaces in configuration is significant
-        * so in this switch we sort our functions in a correct order
-        */
-       switch (gadget_id->function_mask) {
-       case USB_FUNCTION_SDB:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_SDB;
-               functions[0][1] = 0;
-               gadget->attrs.idProduct = 0x685d;
-               break;
-       case USB_FUNCTION_MTP:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_MTP;
-               functions[0][1] = 0;
-               gadget->attrs.idProduct = 0x6860;
-               break;
-       case USB_FUNCTION_RNDIS:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_RNDIS;
-               functions[0][1] = 0;
-               gadget->attrs.idProduct = 0x6863;
-               break;
-       case USB_FUNCTION_MTP | USB_FUNCTION_ACM | USB_FUNCTION_SDB:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_MTP;
-               functions[0][1] = USB_FUNCTION_ACM;
-               functions[0][2] = USB_FUNCTION_SDB;
-               functions[0][3] = 0;
-               gadget->attrs.idProduct = 0x6860;
-               break;
-       case USB_FUNCTION_MTP | USB_FUNCTION_ACM | USB_FUNCTION_SDB
-               | USB_FUNCTION_DIAG:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_MTP;
-               functions[0][1] = USB_FUNCTION_ACM;
-               functions[0][2] = USB_FUNCTION_SDB;
-               functions[0][3] = USB_FUNCTION_DIAG;
-               functions[0][4] = 0;
-               gadget->attrs.idProduct = 0x6860;
-               break;
-       case USB_FUNCTION_RNDIS | USB_FUNCTION_SDB:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_RNDIS;
-               functions[0][1] = USB_FUNCTION_SDB;
-               functions[0][2] = 0;
-               gadget->attrs.idProduct = 0x6864;
-               break;
-       case USB_FUNCTION_RNDIS | USB_FUNCTION_SDB | USB_FUNCTION_ACM | USB_FUNCTION_DIAG:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_RNDIS;
-               functions[0][1] = USB_FUNCTION_SDB;
-               functions[0][2] = USB_FUNCTION_ACM;
-               functions[0][3] = USB_FUNCTION_DIAG;
-               functions[0][4] = 0;
-               gadget->attrs.idProduct = 0x6864;
-               break;
-       case USB_FUNCTION_RNDIS | USB_FUNCTION_DIAG:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_RNDIS;
-               functions[0][1] = USB_FUNCTION_DIAG;
-               functions[0][2] = 0;
-               gadget->attrs.idProduct = 0x6864;
-               break;
-       case USB_FUNCTION_ACM | USB_FUNCTION_SDB | USB_FUNCTION_DM:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_ACM;
-               functions[0][1] = USB_FUNCTION_SDB;
-               functions[0][2] = USB_FUNCTION_DM;
-               functions[0][3] = 0;
-               gadget->attrs.idProduct = 0x6860;
-               break;
-       case USB_FUNCTION_DIAG | USB_FUNCTION_ACM | USB_FUNCTION_RMNET:
-               n_configs = 1;
-               functions[0][0] = USB_FUNCTION_DIAG;
-               functions[0][1] = USB_FUNCTION_ACM;
-               functions[0][2] = USB_FUNCTION_RMNET;
-               functions[0][3] = 0;
-               gadget->attrs.idProduct = 0x685d;
-               break;
-       };
-
-       if (n_configs > 2 || n_configs == 0) {
-               ret = -EINVAL;
-               goto free_gadget;
-       }
-
-       n_functions = __builtin_popcount(gadget_id->function_mask);
-
-       funcs = calloc(n_functions + 1, sizeof(*funcs));
-       if (!funcs) {
-               ret = -ENOMEM;
-               goto free_gadget;
-       }
-
-       gadget->funcs = funcs;
-
-       idx = 0;
-       for (i = 0; i < ARRAY_SIZE(_available_funcs); ++i) {
-               int func_id = 1 << i;
-
-               if (!(gadget_id->function_mask & func_id))
-                       continue;
-
-               ret = _available_funcs[i]->clone(_available_funcs[i],
-                       gadget->funcs + idx);
-               if (ret)
-                       goto free_functions;
-               ++idx;
-       }
-
-       for (j = 0; j < n_configs; ++j) {
-               struct usb_configuration *config;
-               int n_funcs_in_config;
-
-               for (i = 0; functions[j][i]; ++i);
-               n_funcs_in_config = i;
-
-               ret = alloc_default_config(&config);
-               if (ret)
-                       goto free_configs;
-
-               gadget->configs[j] = config;
-               config->funcs = calloc(n_funcs_in_config + 1,
-                                                      sizeof(void *));
-               if (!config->funcs)
-                       goto free_configs;
-
-               for (i = 0; functions[j][i]; ++i)
-                       config->funcs[i] = find_func(gadget, functions[j][i]);
-       }
-
-       *_gadget = gadget;
-       return 0;
-free_configs:
-free_functions:
-free_gadget:
-       simple_cleanup_gadget(gadget);
-out:
-       return ret;
-}
-
-static int simple_translator_open(struct hw_info *info,
-               const char *id, struct hw_common **common)
-{
-       struct usb_gadget_translator *simple_translator;
-
-       if (!info || !common)
-               return -EINVAL;
-
-       simple_translator = zalloc(sizeof(*simple_translator));
-       if (!simple_translator)
-               return -ENOMEM;
-
-       simple_translator->common.info = info;
-       simple_translator->id_to_gadget = simple_id_to_gadget;
-       simple_translator->cleanup_gadget = simple_cleanup_gadget;
-
-       *common = &simple_translator->common;
-       return 0;
-}
-
-static int simple_translator_close(struct hw_common *common)
-{
-       struct usb_gadget_translator *simple_translator;
-
-       if (!common)
-               return -EINVAL;
-
-       simple_translator = container_of(common, struct usb_gadget_translator,
-                                        common);
-
-       free(simple_translator);
-       return 0;
-}
-
 HARDWARE_MODULE_STRUCTURE = {
        .magic = HARDWARE_INFO_TAG,
        .hal_version = HARDWARE_INFO_VERSION,