patch-2.4.0-test3 linux/drivers/ieee1394/ohci1394.h

• Lines: 227
• Date: Wed Jul 5 13:03:56 2000
• Orig file: v2.4.0-test2/linux/drivers/ieee1394/ohci1394.h
• Orig date: Fri Jun 23 21:55:09 2000

diff -u --recursive --new-file v2.4.0-test2/linux/drivers/ieee1394/ohci1394.h linux/drivers/ieee1394/ohci1394.h
@@ -22,8 +22,8 @@
 #define _OHCI1394_H
 
 #include "ieee1394_types.h"
-/* include this for the video frame grabber */
-/* #include "video1394.h" */
+
+#define IEEE1394_USE_BOTTOM_HALVES 0
 
 #define OHCI1394_DRIVER_NAME      "ohci1394"
 
@@ -71,6 +71,18 @@
 #define PCI_DEVICE_ID_APPLE_UNI_N_FW	0x0018
 #endif
 
+#ifndef PCI_DEVICE_ID_ALI_OHCI1394_M5251
+#define PCI_DEVICE_ID_ALI_OHCI1394_M5251 0x5251
+#endif
+
+#ifndef PCI_VENDOR_ID_LUCENT
+#define PCI_VENDOR_ID_LUCENT 0x11c1
+#endif
+
+#ifndef PCI_DEVICE_ID_LUCENT_FW323
+#define PCI_DEVICE_ID_LUCENT_FW323 0x5811
+#endif
+
 #define MAX_OHCI1394_CARDS        4
 
 #define OHCI1394_MAX_AT_REQ_RETRIES       0x2
@@ -87,8 +99,8 @@
 #define AR_RESP_SPLIT_BUF_SIZE         4096 /* split packet buffer */
 
 #define IR_NUM_DESC                      16 /* number of IR descriptors */
-#define IR_BUF_SIZE                    6480 /* 6480 bytes/buffer */
-#define IR_SPLIT_BUF_SIZE              8192 /* split packet buffer */
+#define IR_BUF_SIZE                    4096 /* 6480 bytes/buffer */
+#define IR_SPLIT_BUF_SIZE              4096 /* split packet buffer */
 
 #define AT_REQ_NUM_DESC                  32 /* number of AT req descriptors */
 #define AT_RESP_NUM_DESC                 32 /* number of AT resp descriptors */
@@ -113,8 +125,15 @@
 	unsigned int num_desc;
 	unsigned int buf_size;
 	unsigned int split_buf_size;
-        struct dma_cmd **prg;
-        quadlet_t **buf;
+
+	/* dma block descriptors */
+        struct dma_cmd **prg_cpu;
+        dma_addr_t *prg_bus;
+
+	/* dma buffers */
+        quadlet_t **buf_cpu;
+        dma_addr_t *buf_bus;
+
         unsigned int buf_ind;
         unsigned int buf_offset;
         quadlet_t *spb;
@@ -130,45 +149,37 @@
 	void *ohci;
 	int ctx;
 	unsigned int num_desc;
-        struct at_dma_prg *prg;
+
+	/* dma block descriptors */
+        struct at_dma_prg **prg_cpu;
+	dma_addr_t *prg_bus;
+
         unsigned int prg_ind;
         unsigned int sent_ind;
 	int free_prgs;
         quadlet_t *branchAddrPtr;
-        struct hpsb_packet *first;
-        struct hpsb_packet *last;
+
+	/* list of packets inserted in the AT FIFO */
+        struct hpsb_packet *fifo_first;
+        struct hpsb_packet *fifo_last;
+
+	/* list of pending packets to be inserted in the AT FIFO */
+        struct hpsb_packet *pending_first;
+        struct hpsb_packet *pending_last;
+
         spinlock_t lock;
         struct tq_struct task;
 	int ctrlClear;
 	int ctrlSet;
 	int cmdPtr;
-	wait_queue_head_t waitq;
 };
 
-#ifdef _VIDEO_1394_H
-
-#define OHCI1394_MAJOR 172
-#define ISO_CHANNELS 64
-
-struct dma_fbuf_ctx {
-	void *ohci;
-	int ctx;
-	int channel;
-	int last_buffer;
-	unsigned int num_desc;
-	unsigned int buf_size;
-	unsigned int frame_size;
-	unsigned int nb_cmd;
-	unsigned char *buf;
-        struct dma_cmd **prg;
-	unsigned int *buffer_status;
-	int ctrlClear;
-	int ctrlSet;
-	int cmdPtr;
-	int ctxMatch;
-	wait_queue_head_t waitq;
+/* video device template */
+struct video_template {
+	void (*irq_handler) (int card, quadlet_t isoRecvEvent, 
+			     quadlet_t isoXmitEvent);
 };
-#endif
+
 
 struct ti_ohci {
         int id; /* sequential card number */
@@ -180,8 +191,13 @@
         /* remapped memory spaces */
         void *registers; 
 
-        quadlet_t *self_id_buffer; /* dma buffer for self-id packets */
-        quadlet_t *csr_config_rom; /* buffer for csr config rom */
+	/* dma buffer for self-id packets */
+        quadlet_t *selfid_buf_cpu;
+        dma_addr_t selfid_buf_bus;
+	
+	/* buffer for csr config rom */
+        quadlet_t *csr_config_rom_cpu; 
+        dma_addr_t csr_config_rom_bus; 
 
 	unsigned int max_packet_size;
 
@@ -197,13 +213,10 @@
 	struct dma_rcv_ctx *ir_context;
         u64 IR_channel_usage;
         spinlock_t IR_channel_lock;
-	int nb_iso_ctx;
+	int nb_iso_rcv_ctx;
 
-#ifdef _VIDEO_1394_H
-	/* frame buffer context */
-	struct dma_fbuf_ctx **fbuf_context;
-	struct dma_fbuf_ctx *current_fbuf_ctx;
-#endif
+        /* iso transmit */
+	int nb_iso_xmit_ctx;
 
         /* IEEE-1394 part follows */
         struct hpsb_host *host;
@@ -214,8 +227,23 @@
 
 	int self_id_errors;
         int NumBusResets;
+
+	/* video device */
+	struct video_template *video_tmpl;
 };
 
+inline static int cross_bound(unsigned long addr, unsigned int size)
+{
+	int cross=0;
+	if (size>PAGE_SIZE) {
+		cross = size/PAGE_SIZE;
+		size -= cross*PAGE_SIZE;
+	}
+	if ((PAGE_SIZE-addr%PAGE_SIZE)<size)
+		cross++;
+	return cross;
+}
+
 /*
  * Register read and write helper functions.
  */
@@ -310,7 +338,7 @@
 #define OHCI1394_Version                      0x000
 #define OHCI1394_GUID_ROM                     0x004
 #define OHCI1394_ATRetries                    0x008
-#define OHCI1394_CSRReadData                  0x00C
+#define OHCI1394_CSRData                      0x00C
 #define OHCI1394_CSRCompareData               0x010
 #define OHCI1394_CSRControl                   0x014
 #define OHCI1394_ConfigROMhdr                 0x018
@@ -370,12 +398,18 @@
 #define OHCI1394_AsRspRcvContextControlClear  0x1E4
 #define OHCI1394_AsRspRcvCommandPtr           0x1EC
 
+/* Isochronous transmit registers */
+/* Add (32 * n) for context n */
+#define OHCI1394_IsoXmitContextControlSet     0x200
+#define OHCI1394_IsoXmitContextControlClear   0x204
+#define OHCI1394_IsoXmitCommandPtr            0x20C
+
 /* Isochronous receive registers */
 /* Add (32 * n) for context n */
-#define OHCI1394_IrRcvContextControlSet       0x400
-#define OHCI1394_IrRcvContextControlClear     0x404
-#define OHCI1394_IrRcvCommandPtr              0x40C
-#define OHCI1394_IrRcvContextMatch            0x410
+#define OHCI1394_IsoRcvContextControlSet      0x400
+#define OHCI1394_IsoRcvContextControlClear    0x404
+#define OHCI1394_IsoRcvCommandPtr             0x40C
+#define OHCI1394_IsoRcvContextMatch           0x410
 
 /* Interrupts Mask/Events */
 
@@ -409,6 +443,13 @@
 #define DMA_SPEED_100                    0x0
 #define DMA_SPEED_200                    0x1
 #define DMA_SPEED_400                    0x2
+
+void ohci1394_stop_context(struct ti_ohci *ohci, int reg, char *msg);
+struct ti_ohci *ohci1394_get_struct(int card_num);
+int ohci1394_register_video(struct ti_ohci *ohci,
+			    struct video_template *tmpl);
+void ohci1394_unregister_video(struct ti_ohci *ohci,
+			       struct video_template *tmpl);
 
 #endif