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28#include <linux/pci.h>
29#include <linux/videodev2.h>
30#include <linux/notifier.h>
31#include <linux/delay.h>
32#include <linux/mutex.h>
33#include <linux/io.h>
34
35#include <media/v4l2-common.h>
36#include <media/v4l2-ioctl.h>
37#include <media/v4l2-ctrls.h>
38#include <media/v4l2-device.h>
39#include <media/videobuf2-v4l2.h>
40#include <media/videobuf2-dma-sg.h>
41
42#include "tw68-reg.h"
43
44#define UNSET (-1U)
45
46#define TW68_NORMS ( \
47 V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM | \
48 V4L2_STD_PAL_M | V4L2_STD_PAL_Nc | V4L2_STD_PAL_60)
49
50#define TW68_VID_INTS (TW68_FFERR | TW68_PABORT | TW68_DMAPERR | \
51 TW68_FFOF | TW68_DMAPI)
52
53#define TW68_VID_INTSX (TW68_FDMIS | TW68_HLOCK | TW68_VLOCK)
54
55#define TW68_I2C_INTS (TW68_SBERR | TW68_SBDONE | TW68_SBERR2 | \
56 TW68_SBDONE2)
57
58enum tw68_decoder_type {
59 TW6800,
60 TW6801,
61 TW6804,
62 TWXXXX,
63};
64
65
66
67
68struct tw68_tvnorm {
69 char *name;
70 v4l2_std_id id;
71
72
73 u32 sync_control;
74 u32 luma_control;
75 u32 chroma_ctrl1;
76 u32 chroma_gain;
77 u32 chroma_ctrl2;
78 u32 vgate_misc;
79
80
81 u32 h_delay;
82 u32 h_delay0;
83 u32 h_start;
84 u32 h_stop;
85 u32 v_delay;
86 u32 video_v_start;
87 u32 video_v_stop;
88 u32 vbi_v_start_0;
89 u32 vbi_v_stop_0;
90 u32 vbi_v_start_1;
91
92
93 u32 format;
94};
95
96struct tw68_format {
97 char *name;
98 u32 fourcc;
99 u32 depth;
100 u32 twformat;
101};
102
103
104
105
106#define TW68_BOARD_NOAUTO UNSET
107#define TW68_BOARD_UNKNOWN 0
108#define TW68_BOARD_GENERIC_6802 1
109
110#define TW68_MAXBOARDS 16
111#define TW68_INPUT_MAX 4
112
113
114
115
116#define BUFFER_TIMEOUT msecs_to_jiffies(500)
117
118struct tw68_dev;
119
120
121struct tw68_buf {
122 struct vb2_v4l2_buffer vb;
123 struct list_head list;
124
125 unsigned int size;
126 __le32 *cpu;
127 __le32 *jmp;
128 dma_addr_t dma;
129};
130
131struct tw68_fmt {
132 char *name;
133 u32 fourcc;
134 int depth;
135 int flags;
136 u32 twformat;
137};
138
139
140struct tw68_dev {
141 struct mutex lock;
142 spinlock_t slock;
143 u16 instance;
144 struct v4l2_device v4l2_dev;
145
146
147 enum tw68_decoder_type vdecoder;
148 struct video_device vdev;
149 struct v4l2_ctrl_handler hdl;
150
151
152 char *name;
153 struct pci_dev *pci;
154 unsigned char pci_rev, pci_lat;
155 u32 __iomem *lmmio;
156 u8 __iomem *bmmio;
157 u32 pci_irqmask;
158
159 u32 board_virqmask;
160
161
162 const struct tw68_format *fmt;
163 unsigned width, height;
164 unsigned seqnr;
165 unsigned field;
166 struct vb2_queue vidq;
167 struct list_head active;
168
169
170 const struct tw68_tvnorm *tvnorm;
171
172 int input;
173};
174
175
176
177#define tw_readl(reg) readl(dev->lmmio + ((reg) >> 2))
178#define tw_readb(reg) readb(dev->bmmio + (reg))
179#define tw_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))
180#define tw_writeb(reg, value) writeb((value), dev->bmmio + (reg))
181
182#define tw_andorl(reg, mask, value) \
183 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
184 ((value) & (mask)), dev->lmmio+((reg)>>2))
185#define tw_andorb(reg, mask, value) \
186 writeb((readb(dev->bmmio + (reg)) & ~(mask)) |\
187 ((value) & (mask)), dev->bmmio+(reg))
188#define tw_setl(reg, bit) tw_andorl((reg), (bit), (bit))
189#define tw_setb(reg, bit) tw_andorb((reg), (bit), (bit))
190#define tw_clearl(reg, bit) \
191 writel((readl(dev->lmmio + ((reg) >> 2)) & ~(bit)), \
192 dev->lmmio + ((reg) >> 2))
193#define tw_clearb(reg, bit) \
194 writeb((readb(dev->bmmio+(reg)) & ~(bit)), \
195 dev->bmmio + (reg))
196
197#define tw_wait(us) { udelay(us); }
198
199
200
201
202void tw68_set_tvnorm_hw(struct tw68_dev *dev);
203
204int tw68_video_init1(struct tw68_dev *dev);
205int tw68_video_init2(struct tw68_dev *dev, int video_nr);
206void tw68_irq_video_done(struct tw68_dev *dev, unsigned long status);
207int tw68_video_start_dma(struct tw68_dev *dev, struct tw68_buf *buf);
208
209
210
211
212int tw68_risc_buffer(struct pci_dev *pci, struct tw68_buf *buf,
213 struct scatterlist *sglist, unsigned int top_offset,
214 unsigned int bottom_offset, unsigned int bpl,
215 unsigned int padding, unsigned int lines);
216