Create new branch for PCI development

2014-05-21 07:38:47 +00:00
parent a95752d243
commit 4b1dd93305
196 changed files with 107396 additions and 0 deletions
--- a/pci_BaS_gcc/if/driver_vec.c
+++ b/pci_BaS_gcc/if/driver_vec.c
@@ -0,0 +1,135 @@
+/*
+ * driver_vec.c
+ *
+ * Expose BaS drivers to OS
+ *
+ * This file is part of BaS_gcc.
+ *
+ * BaS_gcc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * BaS_gcc is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with BaS_gcc.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ *  Created on: 24.10.2013
+ *      Author: Markus Fröschle
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include "version.h"
+#include "xhdi_sd.h"
+#include "dma.h"
+#include "driver_vec.h"
+#include "driver_mem.h"
+
+/*
+ * driver interface struct for the SD card BaS driver
+ */
+static struct xhdi_driver_interface xhdi_call_interface = 
+{
+	xhdi_call
+};
+
+/*
+ * driver interface struct for the BaS multichannel DMA driver
+ * This is exactly the same thing FireTOS provides and the MiNT FEC drivers expect.
+ * It can be directly used in TOS to register the corresponding cookie ("DMAC").
+ */
+static struct dma_driver_interface dma_interface =
+{
+	.version = 0x0101,
+	.magic = 'DMAC',
+	.dma_set_initiator = &dma_set_initiator,
+	.dma_get_initiator = dma_get_initiator,
+	.dma_free_initiator = dma_free_initiator,
+	.dma_set_channel = dma_set_channel,
+	.dma_get_channel = dma_get_channel,
+	.dma_free_channel = dma_free_channel,
+	.dma_clear_channel = dma_clear_channel,
+	.MCD_startDma = MCD_startDma,
+	.MCD_dmaStatus = MCD_dmaStatus,
+	.MCD_XferProgrQuery = MCD_XferProgrQuery,
+	.MCD_killDma = MCD_killDma,
+	.MCD_continDma = MCD_continDma,
+	.MCD_pauseDma = MCD_pauseDma,
+	.MCD_resumeDma = MCD_resumeDma,
+	.MCD_csumQuery = MCD_csumQuery,
+	.dma_malloc = driver_mem_alloc,
+	.dma_free = driver_mem_free
+};
+
+extern const struct fb_info *info_fb;
+
+/*
+ * driver interface struct for the BaS framebuffer video driver
+ */
+static struct framebuffer_driver_interface framebuffer_interface =
+{
+	.framebuffer_info = &info_fb
+};
+
+static struct generic_interface interfaces[] =
+{
+	{
+		/* BaS SD-card driver interface */
+
+		.type = XHDI_DRIVER,
+		.name = "SDCARD",
+		.description = "BaS SD Card driver",
+		.version = 0,
+		.revision = 1,
+		.interface.xhdi = &xhdi_call_interface 
+	},
+	{
+		.type = MCD_DRIVER,
+		.name = "MCDDMA",
+		.description = "BaS Multichannel DMA driver",
+		.version = 0,
+		.revision = 1,
+		.interface.dma = &dma_interface,
+	},
+	{
+		.type = VIDEO_DRIVER,
+		.name = "RADEON",
+		.description = "BaS RADEON framebuffer driver",
+		.version = 0,
+		.revision = 1,
+		.interface.fb = &framebuffer_interface,
+	},
+
+	/* insert new drivers here */
+
+	{
+		.type = END_OF_DRIVERS
+	}
+};
+
+/*
+ * this is the driver table we expose to the OS
+ */
+static struct driver_table bas_drivers =
+{
+	.bas_version = MAJOR_VERSION,
+	.bas_revision = MINOR_VERSION,
+	.remove_handler = NULL,
+	.interfaces = { interfaces }
+};
+
+void __attribute__((interrupt)) get_bas_drivers(void)
+{
+	__asm__ __volatile__(
+		"move.l	#%[drivers],d0\n\t"
+		:	                            /* no output */
+		:	[drivers] "o" (bas_drivers)		/* input */
+		:									/* clobber */
+	);
+}