static irqreturn_t cp_idpram_irq_handler(int irq, void *data)
{
struct dpram_link_device *dpld = (struct dpram_link_device *)data;
struct link_device *ld = (struct link_device *)&dpld->ld;
u16 int2ap;
if (unlikely(ld->mode == LINK_MODE_OFFLINE))
return IRQ_HANDLED;
if (dpram_wake_up(dpld) < 0) {
log_dpram_status(dpld);
trigger_force_cp_crash(dpld);
return IRQ_HANDLED;
}
int2ap = recv_intr(dpld);
dpram_intr_handler(dpld, int2ap);
clear_intr(dpld);
dpram_allow_sleep(dpld);
return IRQ_HANDLED;
}
static irqreturn_t dpram_irq_handler(int irq, void *data)
{
struct dpram_link_device *dpld = (struct dpram_link_device *)data;
struct link_device *ld = (struct link_device *)&dpld->ld;
u16 int2ap = 0;
if (unlikely(ld->mode == LINK_MODE_OFFLINE))
return IRQ_HANDLED;
if (dpram_wake_up(dpld) < 0) {
log_dpram_status(dpld);
trigger_force_cp_crash(dpld);
return IRQ_HANDLED;
}
int2ap = recv_intr(dpld);
if (unlikely(int2ap == INT_POWERSAFE_FAIL)) {
mif_info("%s: int2ap == INT_POWERSAFE_FAIL\n", ld->name);
goto exit;
} else if (int2ap == 0x1234 || int2ap == 0xDBAB || int2ap == 0xABCD) {
if (dpld->ext_op && dpld->ext_op->dload_cmd_handler) {
dpld->ext_op->dload_cmd_handler(dpld, int2ap);
goto exit;
}
}
if (unlikely(EXT_UDL_CMD(int2ap))) {
if (likely(EXT_INT_VALID(int2ap))) {
if (UDL_CMD_VALID(int2ap))
udl_command_handler(dpld, int2ap);
else if (EXT_CMD_VALID(int2ap))
ext_command_handler(dpld, int2ap);
else
mif_info("%s: ERR! invalid intr 0x%04X\n",
ld->name, int2ap);
} else {
mif_info("%s: ERR! invalid intr 0x%04X\n",
ld->name, int2ap);
}
} else {
if (likely(INT_VALID(int2ap))) {
if (unlikely(INT_CMD_VALID(int2ap)))
command_handler(dpld, int2ap);
else
non_command_handler(dpld, int2ap);
} else {
mif_info("%s: ERR! invalid intr 0x%04X\n",
ld->name, int2ap);
}
}
exit:
clear_intr(dpld);
dpram_allow_sleep(dpld);
return IRQ_HANDLED;
}
static void
printer_flushing(void)
{
clear_intr(); /* don't catch SIGINT */
tty_flush(); /* empty tty input and output queues */
block_write(&eofc, 1); /* send an EOF to the printer */
proc_upto_eof(1); /* this call won't be recursive,
since we specify to ignore input */
get_page(&end_page);
do_acct();
exit(EXIT_SUCCESS);
}
static int dpram_ioctl(struct link_device *ld, struct io_device *iod,
unsigned int cmd, unsigned long arg)
{
int err = -EFAULT;
struct dpram_link_device *dpld = to_dpram_link_device(ld);
mif_info("%s: cmd 0x%08X\n", ld->name, cmd);
switch (cmd) {
case IOCTL_DPRAM_SEND_BOOT:
if (dpld->ext_op && dpld->ext_op->download_boot) {
err = dpld->ext_op->download_boot(dpld, (void *)arg);
if (err < 0) {
mif_info("%s: ERR! download_boot fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_PHONE_POWON:
if (dpld->ext_op && dpld->ext_op->prepare_download) {
err = dpld->ext_op->prepare_download(dpld);
if (err < 0) {
mif_info("%s: ERR! prepare_download fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_PHONEIMG_LOAD:
if (dpld->ext_op && dpld->ext_op->download_bin) {
err = dpld->ext_op->download_bin(dpld, (void *)arg);
if (err < 0) {
mif_info("%s: ERR! download_bin fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_NVDATA_LOAD:
if (dpld->ext_op && dpld->ext_op->download_nv) {
err = dpld->ext_op->download_nv(dpld, (void *)arg);
if (err < 0) {
mif_info("%s: ERR! download_nv fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_PHONE_BOOTSTART:
if (dpld->ext_op && dpld->ext_op->cp_boot_start) {
err = dpld->ext_op->cp_boot_start(dpld);
if (err < 0) {
mif_info("%s: ERR! cp_boot_start fail\n",
ld->name);
goto exit;
}
}
if (dpld->ext_op && dpld->ext_op->cp_boot_post_process) {
err = dpld->ext_op->cp_boot_post_process(dpld);
if (err < 0) {
mif_info("%s: ERR! cp_boot_post_process fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_PHONE_UPLOAD_STEP1:
disable_irq_nosync(dpld->irq);
if (dpld->ext_op && dpld->ext_op->upload_step1) {
err = dpld->ext_op->upload_step1(dpld);
if (err < 0) {
clear_intr(dpld);
enable_irq(dpld->irq);
mif_info("%s: ERR! upload_step1 fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_PHONE_UPLOAD_STEP2:
if (dpld->ext_op->upload_step2) {
err = dpld->ext_op->upload_step2(dpld, (void *)arg);
if (err < 0) {
clear_intr(dpld);
enable_irq(dpld->irq);
mif_info("%s: ERR! upload_step2 fail\n",
ld->name);
goto exit;
}
}
break;
case IOCTL_DPRAM_INIT_STATUS:
mif_debug("%s: get dpram init status\n", ld->name);
return dpld->dpram_init_status;
case IOCTL_MODEM_DL_START:
err = dpram_set_dload_magic(ld, iod);
if (err < 0) {
mif_info("%s: ERR! dpram_set_dload_magic fail\n",
ld->name);
goto exit;
}
default:
break;
}
return 0;
exit:
return err;
}
