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19 #include <linux/pci.h>
20 #include <linux/videodev2.h>
21 #include <linux/notifier.h>
22 #include <linux/delay.h>
23 #include <linux/mutex.h>
24 #include <linux/io.h>
25
26 #include <media/v4l2-common.h>
27 #include <media/v4l2-ioctl.h>
28 #include <media/v4l2-ctrls.h>
29 #include <media/v4l2-device.h>
30 #include <media/videobuf2-v4l2.h>
31 #include <media/videobuf2-dma-sg.h>
32
33 #include "tw68-reg.h"
34
35 #define UNSET (-1U)
36
37 #define TW68_NORMS ( \
38 V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM | \
39 V4L2_STD_PAL_M | V4L2_STD_PAL_Nc | V4L2_STD_PAL_60)
40
41 #define TW68_VID_INTS (TW68_FFERR | TW68_PABORT | TW68_DMAPERR | \
42 TW68_FFOF | TW68_DMAPI)
43
44 #define TW68_VID_INTSX (TW68_FDMIS | TW68_HLOCK | TW68_VLOCK)
45
46 #define TW68_I2C_INTS (TW68_SBERR | TW68_SBDONE | TW68_SBERR2 | \
47 TW68_SBDONE2)
48
49 enum tw68_decoder_type {
50 TW6800,
51 TW6801,
52 TW6804,
53 TWXXXX,
54 };
55
56
57
58
59 struct tw68_tvnorm {
60 char *name;
61 v4l2_std_id id;
62
63
64 u32 sync_control;
65 u32 luma_control;
66 u32 chroma_ctrl1;
67 u32 chroma_gain;
68 u32 chroma_ctrl2;
69 u32 vgate_misc;
70
71
72 u32 h_delay;
73 u32 h_delay0;
74 u32 h_start;
75 u32 h_stop;
76 u32 v_delay;
77 u32 video_v_start;
78 u32 video_v_stop;
79 u32 vbi_v_start_0;
80 u32 vbi_v_stop_0;
81 u32 vbi_v_start_1;
82
83
84 u32 format;
85 };
86
87 struct tw68_format {
88 u32 fourcc;
89 u32 depth;
90 u32 twformat;
91 };
92
93
94
95
96 #define TW68_BOARD_NOAUTO UNSET
97 #define TW68_BOARD_UNKNOWN 0
98 #define TW68_BOARD_GENERIC_6802 1
99
100 #define TW68_MAXBOARDS 16
101 #define TW68_INPUT_MAX 4
102
103
104
105
106 #define BUFFER_TIMEOUT msecs_to_jiffies(500)
107
108 struct tw68_dev;
109
110
111 struct tw68_buf {
112 struct vb2_v4l2_buffer vb;
113 struct list_head list;
114
115 unsigned int size;
116 __le32 *cpu;
117 __le32 *jmp;
118 dma_addr_t dma;
119 };
120
121 struct tw68_fmt {
122 char *name;
123 u32 fourcc;
124 int depth;
125 int flags;
126 u32 twformat;
127 };
128
129
130 struct tw68_dev {
131 struct mutex lock;
132 spinlock_t slock;
133 u16 instance;
134 struct v4l2_device v4l2_dev;
135
136
137 enum tw68_decoder_type vdecoder;
138 struct video_device vdev;
139 struct v4l2_ctrl_handler hdl;
140
141
142 char *name;
143 struct pci_dev *pci;
144 unsigned char pci_rev, pci_lat;
145 u32 __iomem *lmmio;
146 u8 __iomem *bmmio;
147 u32 pci_irqmask;
148
149 u32 board_virqmask;
150
151
152 const struct tw68_format *fmt;
153 unsigned width, height;
154 unsigned seqnr;
155 unsigned field;
156 struct vb2_queue vidq;
157 struct list_head active;
158
159
160 const struct tw68_tvnorm *tvnorm;
161
162 int input;
163 };
164
165
166
167 #define tw_readl(reg) readl(dev->lmmio + ((reg) >> 2))
168 #define tw_readb(reg) readb(dev->bmmio + (reg))
169 #define tw_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))
170 #define tw_writeb(reg, value) writeb((value), dev->bmmio + (reg))
171
172 #define tw_andorl(reg, mask, value) \
173 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
174 ((value) & (mask)), dev->lmmio+((reg)>>2))
175 #define tw_andorb(reg, mask, value) \
176 writeb((readb(dev->bmmio + (reg)) & ~(mask)) |\
177 ((value) & (mask)), dev->bmmio+(reg))
178 #define tw_setl(reg, bit) tw_andorl((reg), (bit), (bit))
179 #define tw_setb(reg, bit) tw_andorb((reg), (bit), (bit))
180 #define tw_clearl(reg, bit) \
181 writel((readl(dev->lmmio + ((reg) >> 2)) & ~(bit)), \
182 dev->lmmio + ((reg) >> 2))
183 #define tw_clearb(reg, bit) \
184 writeb((readb(dev->bmmio+(reg)) & ~(bit)), \
185 dev->bmmio + (reg))
186
187 #define tw_wait(us) { udelay(us); }
188
189
190
191
192 void tw68_set_tvnorm_hw(struct tw68_dev *dev);
193
194 int tw68_video_init1(struct tw68_dev *dev);
195 int tw68_video_init2(struct tw68_dev *dev, int video_nr);
196 void tw68_irq_video_done(struct tw68_dev *dev, unsigned long status);
197 int tw68_video_start_dma(struct tw68_dev *dev, struct tw68_buf *buf);
198
199
200
201
202 int tw68_risc_buffer(struct pci_dev *pci, struct tw68_buf *buf,
203 struct scatterlist *sglist, unsigned int top_offset,
204 unsigned int bottom_offset, unsigned int bpl,
205 unsigned int padding, unsigned int lines);