void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd)
{
unsigned long irq_flags;
unsigned int status;
spin_lock_irqsave(&msm_dmov_lock, irq_flags);
status = readl(DMOV_STATUS(id));
if (list_empty(&ready_commands[id]) &&
(status & DMOV_STATUS_CMD_PTR_RDY)) {
#if 0
if (list_empty(&active_commands[id])) {
PRINT_FLOW("msm_dmov_enqueue_cmd(%d), enable interrupt\n", id);
writel(DMOV_CONFIG_IRQ_EN, DMOV_CONFIG(id));
}
#endif
PRINT_IO("msm_dmov_enqueue_cmd(%d), start command, status %x\n", id, status);
list_add_tail(&cmd->list, &active_commands[id]);
if (!channel_active)
enable_irq(INT_ADM_AARM);
channel_active |= 1U << id;
writel(cmd->cmdptr, DMOV_CMD_PTR(id));
} else {
if (list_empty(&active_commands[id]))
PRINT_ERROR("msm_dmov_enqueue_cmd(%d), error datamover stalled, status %x\n", id, status);
PRINT_IO("msm_dmov_enqueue_cmd(%d), enqueue command, status %x\n", id, status);
list_add_tail(&cmd->list, &ready_commands[id]);
}
spin_unlock_irqrestore(&msm_dmov_lock, irq_flags);
}
void
MachineQSD8xxx::shutdownDMA()
{
for (int i=0; i < MSM_DMOV_CHANNEL_COUNT; i++)
{
uint32 volatile *dmaChannelConfig = (uint32*)memPhysMap(DMOV_CONFIG(i));
*dmaChannelConfig = 0;
}
}