69 void saa7164_buffer_display(struct saa7164_buffer *buf)  in saa7164_buffer_display()  argument
71 	struct saa7164_dev *dev = buf->port->dev;  in saa7164_buffer_display()
75 		__func__, buf, buf->idx);  in saa7164_buffer_display()
77 		buf->cpu, (long long)buf->dma, buf->pci_size);  in saa7164_buffer_display()
79 		buf->pt_cpu, (long long)buf->pt_dma, buf->pt_size);  in saa7164_buffer_display()
85 			i, buf->pt_cpu, (u64)*(buf->pt_cpu));  in saa7164_buffer_display()
96 	struct saa7164_buffer *buf = NULL;  in saa7164_buffer_alloc()  local
105 	buf = kzalloc(sizeof(struct saa7164_buffer), GFP_KERNEL);  in saa7164_buffer_alloc()
106 	if (!buf) {  in saa7164_buffer_alloc()
111 	buf->idx = -1;  in saa7164_buffer_alloc()
112 	buf->port = port;  in saa7164_buffer_alloc()
113 	buf->flags = SAA7164_BUFFER_FREE;  in saa7164_buffer_alloc()
114 	buf->pos = 0;  in saa7164_buffer_alloc()
115 	buf->actual_size = params->pitch * params->numberoflines;  in saa7164_buffer_alloc()
116 	buf->crc = 0;  in saa7164_buffer_alloc()
118 	buf->pci_size = SAA7164_PT_ENTRIES * 0x1000;  in saa7164_buffer_alloc()
119 	buf->pt_size = (SAA7164_PT_ENTRIES * sizeof(u64)) + 0x1000;  in saa7164_buffer_alloc()
122 	buf->cpu = pci_alloc_consistent(port->dev->pci, buf->pci_size,  in saa7164_buffer_alloc()
123 		&buf->dma);  in saa7164_buffer_alloc()
124 	if (!buf->cpu)  in saa7164_buffer_alloc()
127 	buf->pt_cpu = pci_alloc_consistent(port->dev->pci, buf->pt_size,  in saa7164_buffer_alloc()
128 		&buf->pt_dma);  in saa7164_buffer_alloc()
129 	if (!buf->pt_cpu)  in saa7164_buffer_alloc()
133 	memset(buf->cpu, 0xff, buf->pci_size);  in saa7164_buffer_alloc()
134 	buf->crc = crc32(0, buf->cpu, buf->actual_size);  in saa7164_buffer_alloc()
135 	memset(buf->pt_cpu, 0xff, buf->pt_size);  in saa7164_buffer_alloc()
138 		__func__, buf, params->numpagetables);  in saa7164_buffer_alloc()
140 		buf->cpu, (long)buf->dma, buf->pci_size);  in saa7164_buffer_alloc()
142 		buf->pt_cpu, (long)buf->pt_dma, buf->pt_size);  in saa7164_buffer_alloc()
147 		*(buf->pt_cpu + i) = buf->dma + (i * 0x1000); /* TODO */  in saa7164_buffer_alloc()
149 			i, buf->pt_cpu, (u64)*(buf->pt_cpu));  in saa7164_buffer_alloc()
156 	pci_free_consistent(port->dev->pci, buf->pci_size, buf->cpu, buf->dma);  in saa7164_buffer_alloc()
158 	kfree(buf);  in saa7164_buffer_alloc()
160 	buf = NULL;  in saa7164_buffer_alloc()
162 	return buf;  in saa7164_buffer_alloc()
165 int saa7164_buffer_dealloc(struct saa7164_buffer *buf)  in saa7164_buffer_dealloc()  argument
169 	if (!buf || !buf->port)  in saa7164_buffer_dealloc()
171 	dev = buf->port->dev;  in saa7164_buffer_dealloc()
174 		__func__, buf);  in saa7164_buffer_dealloc()
176 	if (buf->flags != SAA7164_BUFFER_FREE)  in saa7164_buffer_dealloc()
179 	pci_free_consistent(dev->pci, buf->pci_size, buf->cpu, buf->dma);  in saa7164_buffer_dealloc()
180 	pci_free_consistent(dev->pci, buf->pt_size, buf->pt_cpu, buf->pt_dma);  in saa7164_buffer_dealloc()
182 	kfree(buf);  in saa7164_buffer_dealloc()
202 int saa7164_buffer_activate(struct saa7164_buffer *buf, int i)  in saa7164_buffer_activate()  argument
204 	struct saa7164_port *port = buf->port;  in saa7164_buffer_activate()
212 	buf->idx = i; /* Note of which buffer list index position we occupy */  in saa7164_buffer_activate()
213 	buf->flags = SAA7164_BUFFER_BUSY;  in saa7164_buffer_activate()
214 	buf->pos = 0;  in saa7164_buffer_activate()
218 	saa7164_writel(port->bufptr32h + ((sizeof(u32) * 2) * i), buf->pt_dma);  in saa7164_buffer_activate()
223 		buf->idx,  in saa7164_buffer_activate()
230 		buf->idx);  in saa7164_buffer_activate()
239 	struct saa7164_buffer *buf;  in saa7164_buffer_cfg_port()  local
268 		buf = list_entry(c, struct saa7164_buffer, list);  in saa7164_buffer_cfg_port()
270 		if (buf->flags != SAA7164_BUFFER_FREE)  in saa7164_buffer_cfg_port()
274 		saa7164_buffer_activate(buf, i);  in saa7164_buffer_cfg_port()
289 	struct saa7164_user_buffer *buf;  in saa7164_buffer_alloc_user()  local
291 	buf = kzalloc(sizeof(struct saa7164_user_buffer), GFP_KERNEL);  in saa7164_buffer_alloc_user()
292 	if (!buf)  in saa7164_buffer_alloc_user()
295 	buf->data = kzalloc(len, GFP_KERNEL);  in saa7164_buffer_alloc_user()
297 	if (!buf->data) {  in saa7164_buffer_alloc_user()
298 		kfree(buf);  in saa7164_buffer_alloc_user()
302 	buf->actual_size = len;  in saa7164_buffer_alloc_user()
303 	buf->pos = 0;  in saa7164_buffer_alloc_user()
304 	buf->crc = 0;  in saa7164_buffer_alloc_user()
307 		__func__, buf);  in saa7164_buffer_alloc_user()
309 	return buf;  in saa7164_buffer_alloc_user()
312 void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf)  in saa7164_buffer_dealloc_user()  argument
314 	if (!buf)  in saa7164_buffer_dealloc_user()
317 	kfree(buf->data);  in saa7164_buffer_dealloc_user()
318 	buf->data = NULL;  in saa7164_buffer_dealloc_user()
320 	kfree(buf);  in saa7164_buffer_dealloc_user()