waterDataDiscreteRateMining memoryCall.c 姚强 commit at 2021-03-30

waterDataDiscreteRateMining/dataSharedMemory/memoryCall.c

@@ -267,3 +267,121 @@ static int am200_setup_fb(struct metronomefb_par *par)
 	/* metromem was set up by the notifier in share_video_mem so now
 	 * we can use its value to calculate the other entries */
 	par->metromem_cmd = (struct metromem_cmd *) am200_board.metromem;
+	par->metromem_wfm = am200_board.metromem + fw;
+	par->metromem_img = par->metromem_wfm + am200_board.wfm_size;
+	par->metromem_img_csum = (u16 *) (par->metromem_img + (fw * fh));
+	par->metromem_dma = am200_board.host_fbinfo->fix.smem_start;
+
+	return 0;
+}
+
+static int am200_get_panel_type(void)
+{
+	return panel_type;
+}
+
+static irqreturn_t am200_handle_irq(int irq, void *dev_id)
+{
+	struct metronomefb_par *par = dev_id;
+
+	wake_up_interruptible(&par->waitq);
+	return IRQ_HANDLED;
+}
+
+static int am200_setup_irq(struct fb_info *info)
+{
+	int ret;
+
+	ret = request_irq(PXA_GPIO_TO_IRQ(RDY_GPIO_PIN), am200_handle_irq,
+				IRQF_DISABLED|IRQF_TRIGGER_FALLING,
+				"AM200", info->par);
+	if (ret)
+		dev_err(&am200_device->dev, "request_irq failed: %d\n", ret);
+
+	return ret;
+}
+
+static void am200_set_rst(struct metronomefb_par *par, int state)
+{
+	gpio_set_value(RST_GPIO_PIN, state);
+}
+
+static void am200_set_stdby(struct metronomefb_par *par, int state)
+{
+	gpio_set_value(STDBY_GPIO_PIN, state);
+}
+
+static int am200_wait_event(struct metronomefb_par *par)
+{
+	return wait_event_timeout(par->waitq, gpio_get_value(RDY_GPIO_PIN), HZ);
+}
+
+static int am200_wait_event_intr(struct metronomefb_par *par)
+{
+	return wait_event_interruptible_timeout(par->waitq,
+					gpio_get_value(RDY_GPIO_PIN), HZ);
+}
+
+static struct metronome_board am200_board = {
+	.owner			= THIS_MODULE,
+	.setup_irq		= am200_setup_irq,
+	.setup_io		= am200_init_gpio_regs,
+	.setup_fb		= am200_setup_fb,
+	.set_rst		= am200_set_rst,
+	.set_stdby		= am200_set_stdby,
+	.met_wait_event		= am200_wait_event,
+	.met_wait_event_intr	= am200_wait_event_intr,
+	.get_panel_type		= am200_get_panel_type,
+	.cleanup		= am200_cleanup,
+};
+
+static unsigned long am200_pin_config[] __initdata = {
+	GPIO51_GPIO,
+	GPIO49_GPIO,
+	GPIO48_GPIO,
+	GPIO32_GPIO,
+	GPIO17_GPIO,
+	GPIO16_GPIO,
+};
+
+int __init am200_init(void)
+{
+	int ret;
+
+	/* before anything else, we request notification for any fb
+	 * creation events */
+	fb_register_client(&am200_fb_notif);
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(am200_pin_config));
+
+	/* request our platform independent driver */
+	request_module("metronomefb");
+
+	am200_device = platform_device_alloc("metronomefb", -1);
+	if (!am200_device)
+		return -ENOMEM;
+
+	/* the am200_board that will be seen by metronomefb is a copy */
+	platform_device_add_data(am200_device, &am200_board,
+					sizeof(am200_board));
+
+	/* this _add binds metronomefb to am200. metronomefb refcounts am200 */
+	ret = platform_device_add(am200_device);
+
+	if (ret) {
+		platform_device_put(am200_device);
+		fb_unregister_client(&am200_fb_notif);
+		return ret;
+	}
+
+	am200_presetup_fb();
+
+	return 0;
+}
+
+module_param(panel_type, uint, 0);
+MODULE_PARM_DESC(panel_type, "Select the panel type: 6, 8, 97");
+
+MODULE_DESCRIPTION("board driver for am200 metronome epd kit");
+MODULE_AUTHOR("Jaya Kumar");
+MODULE_LICENSE("GPL");