55 void saa7164_buffer_display(struct saa7164_buffer *buf)  in saa7164_buffer_display()  argument
57 	struct saa7164_dev *dev = buf->port->dev;  in saa7164_buffer_display()
61 		__func__, buf, buf->idx);  in saa7164_buffer_display()
63 		buf->cpu, (long long)buf->dma, buf->pci_size);  in saa7164_buffer_display()
65 		buf->pt_cpu, (long long)buf->pt_dma, buf->pt_size);  in saa7164_buffer_display()
71 			i, buf->pt_cpu, (u64)*(buf->pt_cpu));  in saa7164_buffer_display()
82 	struct saa7164_buffer *buf = NULL;  in saa7164_buffer_alloc()  local
91 	buf = kzalloc(sizeof(*buf), GFP_KERNEL);  in saa7164_buffer_alloc()
92 	if (!buf)  in saa7164_buffer_alloc()
95 	buf->idx = -1;  in saa7164_buffer_alloc()
96 	buf->port = port;  in saa7164_buffer_alloc()
97 	buf->flags = SAA7164_BUFFER_FREE;  in saa7164_buffer_alloc()
98 	buf->pos = 0;  in saa7164_buffer_alloc()
99 	buf->actual_size = params->pitch * params->numberoflines;  in saa7164_buffer_alloc()
100 	buf->crc = 0;  in saa7164_buffer_alloc()
102 	buf->pci_size = SAA7164_PT_ENTRIES * 0x1000;  in saa7164_buffer_alloc()
103 	buf->pt_size = (SAA7164_PT_ENTRIES * sizeof(u64)) + 0x1000;  in saa7164_buffer_alloc()
106 	buf->cpu = dma_alloc_coherent(&port->dev->pci->dev, buf->pci_size,  in saa7164_buffer_alloc()
107 				      &buf->dma, GFP_KERNEL);  in saa7164_buffer_alloc()
108 	if (!buf->cpu)  in saa7164_buffer_alloc()
111 	buf->pt_cpu = dma_alloc_coherent(&port->dev->pci->dev, buf->pt_size,  in saa7164_buffer_alloc()
112 					 &buf->pt_dma, GFP_KERNEL);  in saa7164_buffer_alloc()
113 	if (!buf->pt_cpu)  in saa7164_buffer_alloc()
117 	memset(buf->cpu, 0xff, buf->pci_size);  in saa7164_buffer_alloc()
118 	buf->crc = crc32(0, buf->cpu, buf->actual_size);  in saa7164_buffer_alloc()
119 	memset(buf->pt_cpu, 0xff, buf->pt_size);  in saa7164_buffer_alloc()
122 		__func__, buf, params->numpagetables);  in saa7164_buffer_alloc()
124 		buf->cpu, (long)buf->dma, buf->pci_size);  in saa7164_buffer_alloc()
126 		buf->pt_cpu, (long)buf->pt_dma, buf->pt_size);  in saa7164_buffer_alloc()
131 		*(buf->pt_cpu + i) = buf->dma + (i * 0x1000); /* TODO */  in saa7164_buffer_alloc()
133 			i, buf->pt_cpu, (u64)*(buf->pt_cpu));  in saa7164_buffer_alloc()
140 	dma_free_coherent(&port->dev->pci->dev, buf->pci_size, buf->cpu,  in saa7164_buffer_alloc()
141 			  buf->dma);  in saa7164_buffer_alloc()
143 	kfree(buf);  in saa7164_buffer_alloc()
145 	buf = NULL;  in saa7164_buffer_alloc()
147 	return buf;  in saa7164_buffer_alloc()
150 int saa7164_buffer_dealloc(struct saa7164_buffer *buf)  in saa7164_buffer_dealloc()  argument
154 	if (!buf || !buf->port)  in saa7164_buffer_dealloc()
156 	dev = buf->port->dev;  in saa7164_buffer_dealloc()
159 		__func__, buf);  in saa7164_buffer_dealloc()
161 	if (buf->flags != SAA7164_BUFFER_FREE)  in saa7164_buffer_dealloc()
164 	dma_free_coherent(&dev->pci->dev, buf->pci_size, buf->cpu, buf->dma);  in saa7164_buffer_dealloc()
165 	dma_free_coherent(&dev->pci->dev, buf->pt_size, buf->pt_cpu,  in saa7164_buffer_dealloc()
166 			  buf->pt_dma);  in saa7164_buffer_dealloc()
168 	kfree(buf);  in saa7164_buffer_dealloc()
188 int saa7164_buffer_activate(struct saa7164_buffer *buf, int i)  in saa7164_buffer_activate()  argument
190 	struct saa7164_port *port = buf->port;  in saa7164_buffer_activate()
198 	buf->idx = i; /* Note of which buffer list index position we occupy */  in saa7164_buffer_activate()
199 	buf->flags = SAA7164_BUFFER_BUSY;  in saa7164_buffer_activate()
200 	buf->pos = 0;  in saa7164_buffer_activate()
204 	saa7164_writel(port->bufptr32h + ((sizeof(u32) * 2) * i), buf->pt_dma);  in saa7164_buffer_activate()
208 		buf->idx,  in saa7164_buffer_activate()
215 		buf->idx);  in saa7164_buffer_activate()
224 	struct saa7164_buffer *buf;  in saa7164_buffer_cfg_port()  local
253 		buf = list_entry(c, struct saa7164_buffer, list);  in saa7164_buffer_cfg_port()
255 		BUG_ON(buf->flags != SAA7164_BUFFER_FREE);  in saa7164_buffer_cfg_port()
258 		saa7164_buffer_activate(buf, i);  in saa7164_buffer_cfg_port()
273 	struct saa7164_user_buffer *buf;  in saa7164_buffer_alloc_user()  local
275 	buf = kzalloc(sizeof(*buf), GFP_KERNEL);  in saa7164_buffer_alloc_user()
276 	if (!buf)  in saa7164_buffer_alloc_user()
279 	buf->data = kzalloc(len, GFP_KERNEL);  in saa7164_buffer_alloc_user()
281 	if (!buf->data) {  in saa7164_buffer_alloc_user()
282 		kfree(buf);  in saa7164_buffer_alloc_user()
286 	buf->actual_size = len;  in saa7164_buffer_alloc_user()
287 	buf->pos = 0;  in saa7164_buffer_alloc_user()
288 	buf->crc = 0;  in saa7164_buffer_alloc_user()
291 		__func__, buf);  in saa7164_buffer_alloc_user()
293 	return buf;  in saa7164_buffer_alloc_user()
296 void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf)  in saa7164_buffer_dealloc_user()  argument
298 	if (!buf)  in saa7164_buffer_dealloc_user()
301 	kfree(buf->data);  in saa7164_buffer_dealloc_user()
302 	buf->data = NULL;  in saa7164_buffer_dealloc_user()
304 	kfree(buf);  in saa7164_buffer_dealloc_user()