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Rev | Author | Line No. | Line |
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773 | giacomo | 1 | #include <linuxcomp.h> |
2 | |||
425 | giacomo | 3 | #include <media/saa7146_vv.h> |
4 | |||
5 | #define BOARD_CAN_DO_VBI(dev) (dev->revision != 0 && dev->vv_data->vbi_minor != -1) |
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6 | |||
7 | /****************************************************************************/ |
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8 | /* resource management functions, shamelessly stolen from saa7134 driver */ |
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9 | |||
10 | int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit) |
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11 | { |
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12 | struct saa7146_dev *dev = fh->dev; |
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13 | struct saa7146_vv *vv = dev->vv_data; |
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14 | |||
15 | if (fh->resources & bit) |
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16 | /* have it already allocated */ |
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17 | return 1; |
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18 | |||
19 | /* is it free? */ |
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20 | DEB_D(("getting lock...\n")); |
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773 | giacomo | 21 | //down(&dev->lock); |
425 | giacomo | 22 | DEB_D(("got lock\n")); |
23 | if (vv->resources & bit) { |
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24 | DEB_D(("locked! vv->resources:0x%02x, we want:0x%02x\n",vv->resources,bit)); |
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25 | /* no, someone else uses it */ |
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773 | giacomo | 26 | //up(&dev->lock); |
425 | giacomo | 27 | return 0; |
28 | } |
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29 | /* it's free, grab it */ |
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30 | fh->resources |= bit; |
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31 | vv->resources |= bit; |
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32 | DEB_D(("res: get %d\n",bit)); |
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773 | giacomo | 33 | //up(&dev->lock); |
425 | giacomo | 34 | return 1; |
35 | } |
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36 | |||
37 | int saa7146_res_check(struct saa7146_fh *fh, unsigned int bit) |
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38 | { |
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39 | return (fh->resources & bit); |
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40 | } |
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41 | |||
42 | int saa7146_res_locked(struct saa7146_dev *dev, unsigned int bit) |
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43 | { |
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44 | struct saa7146_vv *vv = dev->vv_data; |
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45 | return (vv->resources & bit); |
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46 | } |
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47 | |||
48 | void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits) |
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49 | { |
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50 | struct saa7146_dev *dev = fh->dev; |
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51 | struct saa7146_vv *vv = dev->vv_data; |
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52 | |||
53 | if ((fh->resources & bits) != bits) |
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54 | BUG(); |
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55 | |||
56 | DEB_D(("getting lock...\n")); |
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773 | giacomo | 57 | //down(&dev->lock); |
425 | giacomo | 58 | DEB_D(("got lock\n")); |
59 | fh->resources &= ~bits; |
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60 | vv->resources &= ~bits; |
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61 | DEB_D(("res: put %d\n",bits)); |
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773 | giacomo | 62 | //up(&dev->lock); |
425 | giacomo | 63 | } |
64 | |||
65 | |||
66 | /********************************************************************************/ |
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67 | /* common dma functions */ |
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68 | |||
69 | void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf) |
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70 | { |
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71 | DEB_EE(("dev:%p, buf:%p\n",dev,buf)); |
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72 | |||
73 | if (in_interrupt()) |
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74 | BUG(); |
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75 | |||
76 | videobuf_waiton(&buf->vb,0,0); |
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774 | giacomo | 77 | //videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma); |
78 | //videobuf_dma_free(&buf->vb.dma); |
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425 | giacomo | 79 | buf->vb.state = STATE_NEEDS_INIT; |
80 | } |
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81 | |||
82 | |||
83 | /********************************************************************************/ |
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84 | /* common buffer functions */ |
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85 | |||
86 | int saa7146_buffer_queue(struct saa7146_dev *dev, |
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87 | struct saa7146_dmaqueue *q, |
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88 | struct saa7146_buf *buf) |
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89 | { |
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90 | #if DEBUG_SPINLOCKS |
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91 | BUG_ON(!spin_is_locked(&dev->slock)); |
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92 | #endif |
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93 | DEB_EE(("dev:%p, dmaq:%p, buf:%p\n", dev, q, buf)); |
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94 | |||
95 | if( NULL == q ) { |
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96 | ERR(("internal error: fatal NULL pointer for q.\n")); |
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97 | return 0; |
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98 | } |
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99 | |||
100 | if (NULL == q->curr) { |
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101 | q->curr = buf; |
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102 | DEB_D(("immediately activating buffer %p\n", buf)); |
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103 | buf->activate(dev,buf,NULL); |
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104 | } else { |
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105 | list_add_tail(&buf->vb.queue,&q->queue); |
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106 | buf->vb.state = STATE_QUEUED; |
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107 | DEB_D(("adding buffer %p to queue. (active buffer present)\n", buf)); |
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108 | } |
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109 | return 0; |
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110 | } |
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111 | |||
112 | void saa7146_buffer_finish(struct saa7146_dev *dev, |
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113 | struct saa7146_dmaqueue *q, |
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114 | int state) |
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115 | { |
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116 | #if DEBUG_SPINLOCKS |
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117 | BUG_ON(!spin_is_locked(&dev->slock)); |
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118 | #endif |
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119 | if( NULL == q->curr ) { |
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120 | ERR(("internal error: fatal NULL pointer for q->curr.\n")); |
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121 | return; |
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122 | } |
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123 | |||
124 | DEB_EE(("dev:%p, dmaq:%p, state:%d\n", dev, q, state)); |
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125 | DEB_EE(("q->curr:%p\n",q->curr)); |
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126 | |||
127 | /* finish current buffer */ |
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128 | if (NULL == q->curr) { |
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129 | DEB_D(("aiii. no current buffer\n")); |
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130 | return; |
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131 | } |
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132 | |||
133 | q->curr->vb.state = state; |
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773 | giacomo | 134 | //do_gettimeofday(&q->curr->vb.ts); |
135 | //wake_up(&q->curr->vb.done); |
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425 | giacomo | 136 | |
137 | q->curr = NULL; |
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138 | } |
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139 | |||
140 | void saa7146_buffer_next(struct saa7146_dev *dev, |
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141 | struct saa7146_dmaqueue *q, int vbi) |
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142 | { |
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143 | struct saa7146_buf *buf,*next = NULL; |
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144 | |||
145 | if( NULL == q ) { |
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146 | ERR(("internal error: fatal NULL pointer for q.\n")); |
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147 | return; |
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148 | } |
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149 | |||
150 | DEB_INT(("dev:%p, dmaq:%p, vbi:%d\n", dev, q, vbi)); |
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151 | |||
152 | #if DEBUG_SPINLOCKS |
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153 | BUG_ON(!spin_is_locked(&dev->slock)); |
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154 | #endif |
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155 | if (!list_empty(&q->queue)) { |
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156 | /* activate next one from queue */ |
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157 | buf = list_entry(q->queue.next,struct saa7146_buf,vb.queue); |
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158 | list_del(&buf->vb.queue); |
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159 | if (!list_empty(&q->queue)) |
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160 | next = list_entry(q->queue.next,struct saa7146_buf, vb.queue); |
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161 | q->curr = buf; |
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162 | DEB_INT(("next buffer: buf:%p, prev:%p, next:%p\n", buf, q->queue.prev,q->queue.next)); |
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163 | buf->activate(dev,buf,next); |
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164 | } else { |
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165 | DEB_INT(("no next buffer. stopping.\n")); |
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166 | if( 0 != vbi ) { |
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167 | /* turn off video-dma3 */ |
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168 | saa7146_write(dev,MC1, MASK_20); |
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169 | } else { |
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170 | /* nothing to do -- just prevent next video-dma1 transfer |
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171 | by lowering the protection address */ |
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172 | |||
173 | // fixme: fix this for vflip != 0 |
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174 | |||
175 | saa7146_write(dev, PROT_ADDR1, 0); |
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176 | saa7146_write(dev, MC2, (MASK_02|MASK_18)); |
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177 | |||
178 | /* write the address of the rps-program */ |
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179 | saa7146_write(dev, RPS_ADDR0, dev->d_rps0.dma_handle); |
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180 | /* turn on rps */ |
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181 | saa7146_write(dev, MC1, (MASK_12 | MASK_28)); |
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182 | |||
183 | /* |
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184 | printk("vdma%d.base_even: 0x%08x\n", 1,saa7146_read(dev,BASE_EVEN1)); |
||
185 | printk("vdma%d.base_odd: 0x%08x\n", 1,saa7146_read(dev,BASE_ODD1)); |
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186 | printk("vdma%d.prot_addr: 0x%08x\n", 1,saa7146_read(dev,PROT_ADDR1)); |
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187 | printk("vdma%d.base_page: 0x%08x\n", 1,saa7146_read(dev,BASE_PAGE1)); |
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188 | printk("vdma%d.pitch: 0x%08x\n", 1,saa7146_read(dev,PITCH1)); |
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189 | printk("vdma%d.num_line_byte: 0x%08x\n", 1,saa7146_read(dev,NUM_LINE_BYTE1)); |
||
190 | */ |
||
191 | } |
||
192 | del_timer(&q->timeout); |
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193 | } |
||
194 | } |
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195 | |||
196 | void saa7146_buffer_timeout(unsigned long data) |
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197 | { |
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198 | struct saa7146_dmaqueue *q = (struct saa7146_dmaqueue*)data; |
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199 | struct saa7146_dev *dev = q->dev; |
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200 | unsigned long flags; |
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201 | |||
202 | DEB_EE(("dev:%p, dmaq:%p\n", dev, q)); |
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203 | |||
204 | spin_lock_irqsave(&dev->slock,flags); |
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205 | if (q->curr) { |
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206 | DEB_D(("timeout on %p\n", q->curr)); |
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207 | saa7146_buffer_finish(dev,q,STATE_ERROR); |
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208 | } |
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209 | |||
210 | /* we don't restart the transfer here like other drivers do. when |
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211 | a streaming capture is disabled, the timeout function will be |
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212 | called for the current buffer. if we activate the next buffer now, |
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213 | we mess up our capture logic. if a timeout occurs on another buffer, |
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214 | then something is seriously broken before, so no need to buffer the |
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215 | next capture IMHO... */ |
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216 | /* |
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217 | saa7146_buffer_next(dev,q); |
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218 | */ |
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219 | spin_unlock_irqrestore(&dev->slock,flags); |
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220 | } |
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221 | |||
222 | /********************************************************************************/ |
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223 | /* file operations */ |
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224 | |||
225 | static int fops_open(struct inode *inode, struct file *file) |
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226 | { |
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227 | unsigned int minor = iminor(inode); |
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228 | struct saa7146_dev *h = NULL, *dev = NULL; |
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229 | struct list_head *list; |
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230 | struct saa7146_fh *fh = NULL; |
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231 | int result = 0; |
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232 | |||
233 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
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234 | |||
235 | DEB_EE(("inode:%p, file:%p, minor:%d\n",inode,file,minor)); |
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236 | |||
773 | giacomo | 237 | //if (down_interruptible(&saa7146_devices_lock)) |
238 | // return -ERESTARTSYS; |
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425 | giacomo | 239 | |
240 | list_for_each(list,&saa7146_devices) { |
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241 | h = list_entry(list, struct saa7146_dev, item); |
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242 | if( NULL == h->vv_data ) { |
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243 | DEB_D(("device %p has not registered video devices.\n",h)); |
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244 | continue; |
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245 | } |
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246 | DEB_D(("trying: %p @ major %d,%d\n",h,h->vv_data->video_minor,h->vv_data->vbi_minor)); |
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247 | |||
248 | if (h->vv_data->video_minor == minor) { |
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249 | dev = h; |
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250 | } |
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251 | if (h->vv_data->vbi_minor == minor) { |
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252 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
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253 | dev = h; |
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254 | } |
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255 | } |
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256 | if (NULL == dev) { |
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257 | DEB_S(("no such video device.\n")); |
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258 | result = -ENODEV; |
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259 | goto out; |
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260 | } |
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261 | |||
262 | DEB_D(("using: %p\n",dev)); |
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263 | |||
264 | /* check if an extension is registered */ |
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265 | if( NULL == dev->ext ) { |
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266 | DEB_S(("no extension registered for this device.\n")); |
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267 | result = -ENODEV; |
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268 | goto out; |
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269 | } |
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270 | |||
271 | /* allocate per open data */ |
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272 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); |
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273 | if (NULL == fh) { |
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274 | DEB_S(("cannot allocate memory for per open data.\n")); |
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275 | result = -ENOMEM; |
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276 | goto out; |
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277 | } |
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278 | memset(fh,0,sizeof(*fh)); |
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279 | |||
280 | file->private_data = fh; |
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281 | fh->dev = dev; |
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282 | fh->type = type; |
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283 | |||
284 | if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
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285 | DEB_S(("initializing vbi...\n")); |
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774 | giacomo | 286 | result = 0;//saa7146_vbi_uops.open(dev,file); |
425 | giacomo | 287 | } else { |
288 | DEB_S(("initializing video...\n")); |
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289 | result = saa7146_video_uops.open(dev,file); |
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290 | } |
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291 | |||
292 | if (0 != result) { |
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293 | goto out; |
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294 | } |
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295 | |||
296 | if( 0 == try_module_get(dev->ext->module)) { |
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297 | result = -EINVAL; |
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298 | goto out; |
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299 | } |
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300 | |||
301 | result = 0; |
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302 | out: |
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303 | if( fh != 0 && result != 0 ) { |
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304 | kfree(fh); |
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305 | file->private_data = NULL; |
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306 | } |
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773 | giacomo | 307 | //up(&saa7146_devices_lock); |
425 | giacomo | 308 | return result; |
309 | } |
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310 | |||
311 | static int fops_release(struct inode *inode, struct file *file) |
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312 | { |
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313 | struct saa7146_fh *fh = file->private_data; |
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314 | struct saa7146_dev *dev = fh->dev; |
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315 | |||
316 | DEB_EE(("inode:%p, file:%p\n",inode,file)); |
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317 | |||
773 | giacomo | 318 | //if (down_interruptible(&saa7146_devices_lock)) |
319 | // return -ERESTARTSYS; |
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425 | giacomo | 320 | |
321 | if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { |
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774 | giacomo | 322 | //saa7146_vbi_uops.release(dev,file); |
425 | giacomo | 323 | } else { |
324 | saa7146_video_uops.release(dev,file); |
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325 | } |
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326 | |||
327 | module_put(dev->ext->module); |
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328 | file->private_data = NULL; |
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329 | kfree(fh); |
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330 | |||
773 | giacomo | 331 | //up(&saa7146_devices_lock); |
425 | giacomo | 332 | |
333 | return 0; |
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334 | } |
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335 | |||
336 | int saa7146_video_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg); |
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337 | static int fops_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) |
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338 | { |
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339 | /* |
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340 | DEB_EE(("inode:%p, file:%p, cmd:%d, arg:%li\n",inode, file, cmd, arg)); |
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341 | */ |
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342 | return video_usercopy(inode, file, cmd, arg, saa7146_video_do_ioctl); |
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343 | } |
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344 | |||
345 | static int fops_mmap(struct file *file, struct vm_area_struct * vma) |
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346 | { |
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347 | struct saa7146_fh *fh = file->private_data; |
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348 | struct videobuf_queue *q; |
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349 | |||
350 | switch (fh->type) { |
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351 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
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352 | DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, vma:%p\n",file, vma)); |
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353 | q = &fh->video_q; |
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354 | break; |
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355 | } |
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356 | case V4L2_BUF_TYPE_VBI_CAPTURE: { |
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357 | DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, vma:%p\n",file, vma)); |
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358 | q = &fh->vbi_q; |
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359 | break; |
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360 | } |
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361 | default: |
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362 | BUG(); |
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363 | return 0; |
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364 | } |
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365 | return videobuf_mmap_mapper(vma,q); |
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366 | } |
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367 | |||
368 | static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait) |
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369 | { |
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370 | struct saa7146_fh *fh = file->private_data; |
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371 | struct videobuf_buffer *buf = NULL; |
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372 | struct videobuf_queue *q; |
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373 | |||
374 | DEB_EE(("file:%p, poll:%p\n",file, wait)); |
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375 | |||
376 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { |
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377 | if( 0 == fh->vbi_q.streaming ) |
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378 | return videobuf_poll_stream(file, &fh->vbi_q, wait); |
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379 | q = &fh->vbi_q; |
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380 | } else { |
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381 | DEB_D(("using video queue.\n")); |
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382 | q = &fh->video_q; |
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383 | } |
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384 | |||
385 | if (!list_empty(&q->stream)) |
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386 | buf = list_entry(q->stream.next, struct videobuf_buffer, stream); |
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387 | |||
388 | if (!buf) { |
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389 | DEB_D(("buf == NULL!\n")); |
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390 | return POLLERR; |
||
391 | } |
||
392 | |||
393 | poll_wait(file, &buf->done, wait); |
||
394 | if (buf->state == STATE_DONE || buf->state == STATE_ERROR) { |
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395 | DEB_D(("poll succeeded!\n")); |
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396 | return POLLIN|POLLRDNORM; |
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397 | } |
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398 | |||
399 | DEB_D(("nothing to poll for, buf->state:%d\n",buf->state)); |
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400 | return 0; |
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401 | } |
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402 | |||
403 | static ssize_t fops_read(struct file *file, char *data, size_t count, loff_t *ppos) |
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404 | { |
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405 | struct saa7146_fh *fh = file->private_data; |
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406 | |||
407 | switch (fh->type) { |
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408 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
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409 | // DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, data:%p, count:%lun", file, data, (unsigned long)count)); |
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410 | return saa7146_video_uops.read(file,data,count,ppos); |
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411 | } |
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412 | case V4L2_BUF_TYPE_VBI_CAPTURE: { |
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413 | // DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", file, data, (unsigned long)count)); |
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774 | giacomo | 414 | return 0;//saa7146_vbi_uops.read(file,data,count,ppos); |
425 | giacomo | 415 | } |
416 | break; |
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417 | default: |
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418 | BUG(); |
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419 | return 0; |
||
420 | } |
||
421 | } |
||
422 | |||
423 | static struct file_operations video_fops = |
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424 | { |
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425 | .owner = THIS_MODULE, |
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426 | .open = fops_open, |
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427 | .release = fops_release, |
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428 | .read = fops_read, |
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429 | .poll = fops_poll, |
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430 | .mmap = fops_mmap, |
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431 | .ioctl = fops_ioctl, |
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432 | .llseek = no_llseek, |
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433 | }; |
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434 | |||
435 | void vv_callback(struct saa7146_dev *dev, unsigned long status) |
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436 | { |
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437 | u32 isr = status; |
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438 | |||
439 | DEB_INT(("dev:%p, isr:0x%08x\n",dev,(u32)status)); |
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440 | |||
441 | if (0 != (isr & (MASK_27))) { |
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442 | DEB_INT(("irq: RPS0 (0x%08x).\n",isr)); |
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443 | saa7146_video_uops.irq_done(dev,isr); |
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444 | } |
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445 | |||
446 | if (0 != (isr & (MASK_28))) { |
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447 | u32 mc2 = saa7146_read(dev, MC2); |
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448 | if( 0 != (mc2 & MASK_15)) { |
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449 | DEB_INT(("irq: RPS1 vbi workaround (0x%08x).\n",isr)); |
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773 | giacomo | 450 | //wake_up(&dev->vv_data->vbi_wq); |
425 | giacomo | 451 | saa7146_write(dev,MC2, MASK_31); |
452 | return; |
||
453 | } |
||
454 | DEB_INT(("irq: RPS1 (0x%08x).\n",isr)); |
||
774 | giacomo | 455 | //saa7146_vbi_uops.irq_done(dev,isr); |
425 | giacomo | 456 | } |
457 | } |
||
458 | |||
459 | static struct video_device device_template = |
||
460 | { |
||
461 | .hardware = VID_HARDWARE_SAA7146, |
||
462 | .fops = &video_fops, |
||
463 | .minor = -1, |
||
464 | }; |
||
465 | |||
466 | int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) |
||
467 | { |
||
468 | struct saa7146_vv *vv = kmalloc (sizeof(struct saa7146_vv),GFP_KERNEL); |
||
469 | if( NULL == vv ) { |
||
470 | ERR(("out of memory. aborting.\n")); |
||
471 | return -1; |
||
472 | } |
||
473 | memset(vv, 0x0, sizeof(*vv)); |
||
474 | |||
475 | DEB_EE(("dev:%p\n",dev)); |
||
476 | |||
477 | /* set default values for video parts of the saa7146 */ |
||
478 | saa7146_write(dev, BCS_CTRL, 0x80400040); |
||
479 | |||
480 | /* enable video-port pins */ |
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481 | saa7146_write(dev, MC1, (MASK_10 | MASK_26)); |
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482 | |||
483 | /* save per-device extension data (one extension can |
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484 | handle different devices that might need different |
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485 | configuration data) */ |
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486 | dev->ext_vv_data = ext_vv; |
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487 | |||
488 | vv->video_minor = -1; |
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489 | vv->vbi_minor = -1; |
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490 | |||
491 | vv->d_clipping.cpu_addr = pci_alloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, &vv->d_clipping.dma_handle); |
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492 | if( NULL == vv->d_clipping.cpu_addr ) { |
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493 | ERR(("out of memory. aborting.\n")); |
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494 | kfree(vv); |
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495 | return -1; |
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496 | } |
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497 | memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM); |
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498 | |||
499 | saa7146_video_uops.init(dev,vv); |
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774 | giacomo | 500 | //saa7146_vbi_uops.init(dev,vv); |
425 | giacomo | 501 | |
502 | dev->vv_data = vv; |
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503 | dev->vv_callback = &vv_callback; |
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504 | |||
505 | return 0; |
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506 | } |
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507 | |||
508 | int saa7146_vv_release(struct saa7146_dev* dev) |
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509 | { |
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510 | struct saa7146_vv *vv = dev->vv_data; |
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511 | |||
512 | DEB_EE(("dev:%p\n",dev)); |
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513 | |||
514 | pci_free_consistent(dev->pci, SAA7146_RPS_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle); |
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515 | kfree(vv); |
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516 | dev->vv_data = NULL; |
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517 | dev->vv_callback = NULL; |
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518 | |||
519 | return 0; |
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520 | } |
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521 | |||
522 | int saa7146_register_device(struct video_device *vid, struct saa7146_dev* dev, char *name, int type) |
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523 | { |
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524 | struct saa7146_vv *vv = dev->vv_data; |
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525 | |||
526 | DEB_EE(("dev:%p, name:'%s', type:%d\n",dev,name,type)); |
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527 | |||
528 | *vid = device_template; |
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774 | giacomo | 529 | strncpy(vid->name, name, sizeof(vid->name)); |
425 | giacomo | 530 | vid->priv = dev; |
531 | |||
532 | // fixme: -1 should be an insmod parameter *for the extension* (like "video_nr"); |
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533 | if (video_register_device(vid,type,-1) < 0) { |
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534 | ERR(("cannot register v4l2 device. skipping.\n")); |
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535 | return -1; |
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536 | } |
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537 | |||
538 | if( VFL_TYPE_GRABBER == type ) { |
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539 | vv->video_minor = vid->minor; |
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540 | INFO(("%s: registered device video%d [v4l2]\n", dev->name,vid->minor & 0x1f)); |
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541 | } else { |
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542 | vv->vbi_minor = vid->minor; |
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543 | INFO(("%s: registered device vbi%d [v4l2]\n", dev->name,vid->minor & 0x1f)); |
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544 | } |
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545 | |||
546 | return 0; |
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547 | } |
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548 | |||
549 | int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev* dev) |
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550 | { |
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551 | struct saa7146_vv *vv = dev->vv_data; |
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552 | |||
553 | DEB_EE(("dev:%p\n",dev)); |
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554 | |||
555 | if( VFL_TYPE_GRABBER == vid->type ) { |
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556 | vv->video_minor = -1; |
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557 | } else { |
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558 | vv->vbi_minor = -1; |
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559 | } |
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560 | video_unregister_device(vid); |
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561 | |||
562 | return 0; |
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563 | } |
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564 | |||
565 | static int __init saa7146_vv_init_module(void) |
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566 | { |
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567 | return 0; |
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568 | } |
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569 | |||
570 | |||
571 | static void __exit saa7146_vv_cleanup_module(void) |
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572 | { |
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573 | } |
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574 | |||
575 | module_init(saa7146_vv_init_module); |
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576 | module_exit(saa7146_vv_cleanup_module); |
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577 | |||
578 | MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); |
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579 | MODULE_DESCRIPTION("video4linux driver for saa7146-based hardware"); |
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580 | MODULE_LICENSE("GPL"); |