1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __SAA7146_VV__ 3 #define __SAA7146_VV__ 4 5 #include <media/v4l2-common.h> 6 #include <media/v4l2-ioctl.h> 7 #include <media/v4l2-fh.h> 8 #include <media/drv-intf/saa7146.h> 9 #include <media/videobuf2-dma-sg.h> 10 11 #define MAX_SAA7146_CAPTURE_BUFFERS 32 /* arbitrary */ 12 #define BUFFER_TIMEOUT (HZ/2) /* 0.5 seconds */ 13 14 #define WRITE_RPS0(x) do { \ 15 dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \ 16 } while (0); 17 18 #define WRITE_RPS1(x) do { \ 19 dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \ 20 } while (0); 21 22 struct saa7146_video_dma { 23 u32 base_odd; 24 u32 base_even; 25 u32 prot_addr; 26 u32 pitch; 27 u32 base_page; 28 u32 num_line_byte; 29 }; 30 31 #define FORMAT_BYTE_SWAP 0x1 32 #define FORMAT_IS_PLANAR 0x2 33 34 struct saa7146_format { 35 u32 pixelformat; 36 u32 trans; 37 u8 depth; 38 u8 flags; 39 u8 swap; 40 }; 41 42 struct saa7146_standard 43 { 44 char *name; 45 v4l2_std_id id; 46 47 int v_offset; /* number of lines of vertical offset before processing */ 48 int v_field; /* number of lines in a field for HPS to process */ 49 50 int h_offset; /* horizontal offset of processing window */ 51 int h_pixels; /* number of horizontal pixels to process */ 52 53 int v_max_out; 54 int h_max_out; 55 }; 56 57 /* buffer for one video/vbi frame */ 58 struct saa7146_buf { 59 /* common v4l buffer stuff -- must be first */ 60 struct vb2_v4l2_buffer vb; 61 struct list_head list; 62 63 /* saa7146 specific */ 64 int (*activate)(struct saa7146_dev *dev, 65 struct saa7146_buf *buf, 66 struct saa7146_buf *next); 67 68 /* page tables */ 69 struct saa7146_pgtable pt[3]; 70 }; 71 72 struct saa7146_dmaqueue { 73 struct saa7146_dev *dev; 74 struct saa7146_buf *curr; 75 struct list_head queue; 76 struct timer_list timeout; 77 struct vb2_queue q; 78 }; 79 80 struct saa7146_vv 81 { 82 /* vbi capture */ 83 struct saa7146_dmaqueue vbi_dmaq; 84 struct v4l2_vbi_format vbi_fmt; 85 struct timer_list vbi_read_timeout; 86 /* vbi workaround interrupt queue */ 87 wait_queue_head_t vbi_wq; 88 89 /* video capture */ 90 struct saa7146_dmaqueue video_dmaq; 91 struct v4l2_pix_format video_fmt; 92 enum v4l2_field last_field; 93 u32 seqnr; 94 95 /* common: fixme? shouldn't this be in saa7146_fh? 96 (this leads to a more complicated question: shall the driver 97 store the different settings (for example S_INPUT) for every open 98 and restore it appropriately, or should all settings be common for 99 all opens? currently, we do the latter, like all other 100 drivers do... */ 101 struct saa7146_standard *standard; 102 103 int vflip; 104 int hflip; 105 int current_hps_source; 106 int current_hps_sync; 107 108 unsigned int resources; /* resource management for device */ 109 }; 110 111 /* flags */ 112 #define SAA7146_USE_PORT_B_FOR_VBI 0x2 /* use input port b for vbi hardware bug workaround */ 113 114 struct saa7146_ext_vv 115 { 116 /* information about the video capabilities of the device */ 117 int inputs; 118 int audios; 119 u32 capabilities; 120 int flags; 121 122 /* additionally supported transmission standards */ 123 struct saa7146_standard *stds; 124 int num_stds; 125 int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *); 126 127 /* the extension can override this */ 128 struct v4l2_ioctl_ops vid_ops; 129 struct v4l2_ioctl_ops vbi_ops; 130 /* pointer to the saa7146 core ops */ 131 const struct v4l2_ioctl_ops *core_ops; 132 133 struct v4l2_file_operations vbi_fops; 134 }; 135 136 struct saa7146_use_ops { 137 void (*init)(struct saa7146_dev *, struct saa7146_vv *); 138 void (*irq_done)(struct saa7146_dev *, unsigned long status); 139 }; 140 141 /* from saa7146_fops.c */ 142 int saa7146_register_device(struct video_device *vid, struct saa7146_dev *dev, char *name, int type); 143 int saa7146_unregister_device(struct video_device *vid, struct saa7146_dev *dev); 144 void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state); 145 void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); 146 int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); 147 void saa7146_buffer_timeout(struct timer_list *t); 148 149 int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); 150 int saa7146_vv_release(struct saa7146_dev* dev); 151 152 /* from saa7146_hlp.c */ 153 void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next); 154 void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ; 155 void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync); 156 void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data); 157 158 /* from saa7146_video.c */ 159 extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops; 160 extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops; 161 extern const struct saa7146_use_ops saa7146_video_uops; 162 extern const struct vb2_ops video_qops; 163 long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); 164 int saa7146_s_ctrl(struct v4l2_ctrl *ctrl); 165 166 /* from saa7146_vbi.c */ 167 extern const struct saa7146_use_ops saa7146_vbi_uops; 168 extern const struct vb2_ops vbi_qops; 169 170 /* resource management functions */ 171 int saa7146_res_get(struct saa7146_dev *dev, unsigned int bit); 172 void saa7146_res_free(struct saa7146_dev *dev, unsigned int bits); 173 174 #define RESOURCE_DMA1_HPS 0x1 175 #define RESOURCE_DMA2_CLP 0x2 176 #define RESOURCE_DMA3_BRS 0x4 177 178 /* saa7146 source inputs */ 179 #define SAA7146_HPS_SOURCE_PORT_A 0x00 180 #define SAA7146_HPS_SOURCE_PORT_B 0x01 181 #define SAA7146_HPS_SOURCE_YPB_CPA 0x02 182 #define SAA7146_HPS_SOURCE_YPA_CPB 0x03 183 184 /* sync inputs */ 185 #define SAA7146_HPS_SYNC_PORT_A 0x00 186 #define SAA7146_HPS_SYNC_PORT_B 0x01 187 188 /* some memory sizes */ 189 /* max. 16 clipping rectangles */ 190 #define SAA7146_CLIPPING_MEM (16 * 4 * sizeof(u32)) 191 192 /* some defines for the various clipping-modes */ 193 #define SAA7146_CLIPPING_RECT 0x4 194 #define SAA7146_CLIPPING_RECT_INVERTED 0x5 195 #define SAA7146_CLIPPING_MASK 0x6 196 #define SAA7146_CLIPPING_MASK_INVERTED 0x7 197 198 /* output formats: each entry holds four information */ 199 #define RGB08_COMPOSED 0x0217 /* composed is used in the sense of "not-planar" */ 200 /* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */ 201 #define RGB15_COMPOSED 0x0213 202 #define RGB16_COMPOSED 0x0210 203 #define RGB24_COMPOSED 0x0201 204 #define RGB32_COMPOSED 0x0202 205 206 #define Y8 0x0006 207 #define YUV411_COMPOSED 0x0003 208 #define YUV422_COMPOSED 0x0000 209 /* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */ 210 #define YUV411_DECOMPOSED 0x100b 211 #define YUV422_DECOMPOSED 0x1009 212 #define YUV420_DECOMPOSED 0x100a 213 214 #define IS_PLANAR(x) (x & 0xf000) 215 216 /* misc defines */ 217 #define SAA7146_NO_SWAP (0x0) 218 #define SAA7146_TWO_BYTE_SWAP (0x1) 219 #define SAA7146_FOUR_BYTE_SWAP (0x2) 220 221 #endif 222