Exemplos de DMOV_CMD_PTR em C++ (Cpp)

Exemplo n.º 1

Arquivo: dma.c Projeto: BinVul/linux2.6.32

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);
}

Exemplo n.º 2

Arquivo: dma.c Projeto: NKMSKV/liquid-chocolate

void msm_dmov_enqueue_cmd_ext(unsigned id, struct msm_dmov_cmd *cmd)
{
	unsigned long irq_flags;
	unsigned int status;

	spin_lock_irqsave(&msm_dmov_lock, irq_flags);
	if (clk_ctl == CLK_DIS)
		clk_enable(msm_dmov_clk);
	else if (clk_ctl == CLK_TO_BE_DIS)
		del_timer(&timer);
	clk_ctl = CLK_EN;

	status = readl(DMOV_STATUS(id));
	if (list_empty(&ready_commands[id]) &&
		(status & DMOV_STATUS_CMD_PTR_RDY)) {
		if (cmd->exec_func)
			cmd->exec_func(cmd);
		PRINT_IO(
		 "msm_dmov_enqueue_cmd_ext(%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 (!channel_active) {
			clk_ctl = CLK_TO_BE_DIS;
			mod_timer(&timer, jiffies + HZ);
		}
		if (list_empty(&active_commands[id]))
			PRINT_ERROR(
			 "msm_dmov_enqueue_cmd_ext(%d), stalled, status %x\n",
			 id, status);

		PRINT_IO(
		 "msm_dmov_enqueue_cmd_ext(%d), enqueue command, status %x\n",
		 id, status);
		list_add_tail(&cmd->list, &ready_commands[id]);
	}
	spin_unlock_irqrestore(&msm_dmov_lock, irq_flags);
}