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1 /*
2  *  cobalt driver internal defines and structures
3  *
4  *  Derived from cx18-driver.h
5  *
6  *  Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
7  *  All rights reserved.
8  *
9  *  This program is free software; you may redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; version 2 of the License.
12  *
13  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
15  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
16  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
17  *  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
18  *  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19  *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  *  SOFTWARE.
21  */
22
23 #ifndef COBALT_DRIVER_H
24 #define COBALT_DRIVER_H
25
26 #include <linux/module.h>
27 #include <linux/pci.h>
28 #include <linux/spinlock.h>
29 #include <linux/i2c.h>
30 #include <linux/list.h>
31 #include <linux/workqueue.h>
32 #include <linux/mutex.h>
33
34 #include <media/v4l2-common.h>
35 #include <media/v4l2-ioctl.h>
36 #include <media/v4l2-device.h>
37 #include <media/v4l2-fh.h>
38 #include <media/videobuf2-dma-sg.h>
39
40 #include "m00233_video_measure_memmap_package.h"
41 #include "m00235_fdma_packer_memmap_package.h"
42 #include "m00389_cvi_memmap_package.h"
43 #include "m00460_evcnt_memmap_package.h"
44 #include "m00473_freewheel_memmap_package.h"
45 #include "m00479_clk_loss_detector_memmap_package.h"
46 #include "m00514_syncgen_flow_evcnt_memmap_package.h"
47
48 /* System device ID */
49 #define PCI_DEVICE_ID_COBALT    0x2732
50
51 /* Number of cobalt device nodes. */
52 #define COBALT_NUM_INPUTS       4
53 #define COBALT_NUM_NODES        6
54
55 /* Number of cobalt device streams. */
56 #define COBALT_NUM_STREAMS      12
57
58 #define COBALT_HSMA_IN_NODE     4
59 #define COBALT_HSMA_OUT_NODE    5
60
61 /* Cobalt audio streams */
62 #define COBALT_AUDIO_IN_STREAM  6
63 #define COBALT_AUDIO_OUT_STREAM 11
64
65 /* DMA stuff */
66 #define DMA_CHANNELS_MAX        16
67
68 /* i2c stuff */
69 #define I2C_CLIENTS_MAX         16
70 #define COBALT_NUM_ADAPTERS     5
71
72 #define COBALT_CLK              50000000
73
74 /* System status register */
75 #define COBALT_SYSSTAT_DIP0_MSK                 (1 << 0)
76 #define COBALT_SYSSTAT_DIP1_MSK                 (1 << 1)
77 #define COBALT_SYSSTAT_HSMA_PRSNTN_MSK          (1 << 2)
78 #define COBALT_SYSSTAT_FLASH_RDYBSYN_MSK        (1 << 3)
79 #define COBALT_SYSSTAT_VI0_5V_MSK               (1 << 4)
80 #define COBALT_SYSSTAT_VI0_INT1_MSK             (1 << 5)
81 #define COBALT_SYSSTAT_VI0_INT2_MSK             (1 << 6)
82 #define COBALT_SYSSTAT_VI0_LOST_DATA_MSK        (1 << 7)
83 #define COBALT_SYSSTAT_VI1_5V_MSK               (1 << 8)
84 #define COBALT_SYSSTAT_VI1_INT1_MSK             (1 << 9)
85 #define COBALT_SYSSTAT_VI1_INT2_MSK             (1 << 10)
86 #define COBALT_SYSSTAT_VI1_LOST_DATA_MSK        (1 << 11)
87 #define COBALT_SYSSTAT_VI2_5V_MSK               (1 << 12)
88 #define COBALT_SYSSTAT_VI2_INT1_MSK             (1 << 13)
89 #define COBALT_SYSSTAT_VI2_INT2_MSK             (1 << 14)
90 #define COBALT_SYSSTAT_VI2_LOST_DATA_MSK        (1 << 15)
91 #define COBALT_SYSSTAT_VI3_5V_MSK               (1 << 16)
92 #define COBALT_SYSSTAT_VI3_INT1_MSK             (1 << 17)
93 #define COBALT_SYSSTAT_VI3_INT2_MSK             (1 << 18)
94 #define COBALT_SYSSTAT_VI3_LOST_DATA_MSK        (1 << 19)
95 #define COBALT_SYSSTAT_VIHSMA_5V_MSK            (1 << 20)
96 #define COBALT_SYSSTAT_VIHSMA_INT1_MSK          (1 << 21)
97 #define COBALT_SYSSTAT_VIHSMA_INT2_MSK          (1 << 22)
98 #define COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK     (1 << 23)
99 #define COBALT_SYSSTAT_VOHSMA_INT1_MSK          (1 << 24)
100 #define COBALT_SYSSTAT_VOHSMA_PLL_LOCKED_MSK    (1 << 25)
101 #define COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK     (1 << 26)
102 #define COBALT_SYSSTAT_AUD_PLL_LOCKED_MSK       (1 << 28)
103 #define COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK     (1 << 29)
104 #define COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK    (1 << 30)
105 #define COBALT_SYSSTAT_PCIE_SMBCLK_MSK          (1 << 31)
106
107 /* Cobalt memory map */
108 #define COBALT_I2C_0_BASE                       0x0
109 #define COBALT_I2C_1_BASE                       0x080
110 #define COBALT_I2C_2_BASE                       0x100
111 #define COBALT_I2C_3_BASE                       0x180
112 #define COBALT_I2C_HSMA_BASE                    0x200
113
114 #define COBALT_SYS_CTRL_BASE                    0x400
115 #define COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT      1
116 #define COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(n)  (4 + 4 * (n))
117 #define COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(n)   (5 + 4 * (n))
118 #define COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(n) (6 + 4 * (n))
119 #define COBALT_SYS_CTRL_AUDIO_IPP_RESETN_BIT(n) (7 + 4 * (n))
120 #define COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT   24
121 #define COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT     25
122 #define COBALT_SYS_CTRL_AUDIO_OPP_RESETN_BIT    27
123
124 #define COBALT_SYS_STAT_BASE                    0x500
125 #define COBALT_SYS_STAT_MASK                    (COBALT_SYS_STAT_BASE + 0x08)
126 #define COBALT_SYS_STAT_EDGE                    (COBALT_SYS_STAT_BASE + 0x0c)
127
128 #define COBALT_HDL_INFO_BASE                    0x4800
129 #define COBALT_HDL_INFO_SIZE                    0x200
130
131 #define COBALT_VID_BASE                         0x10000
132 #define COBALT_VID_SIZE                         0x1000
133
134 #define COBALT_CVI(cobalt, c) \
135         (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE)
136 #define COBALT_CVI_VMR(cobalt, c) \
137         (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x100)
138 #define COBALT_CVI_EVCNT(cobalt, c) \
139         (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x200)
140 #define COBALT_CVI_FREEWHEEL(cobalt, c) \
141         (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x300)
142 #define COBALT_CVI_CLK_LOSS(cobalt, c) \
143         (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x400)
144 #define COBALT_CVI_PACKER(cobalt, c) \
145         (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x500)
146
147 #define COBALT_TX_BASE(cobalt) (cobalt->bar1 + COBALT_VID_BASE + 0x5000)
148
149 #define DMA_INTERRUPT_STATUS_REG                0x08
150
151 #define COBALT_HDL_SEARCH_STR                   "** HDL version info **"
152
153 /* Cobalt CPU bus interface */
154 #define COBALT_BUS_BAR1_BASE                    0x600
155 #define COBALT_BUS_SRAM_BASE                    0x0
156 #define COBALT_BUS_CPLD_BASE                    0x00600000
157 #define COBALT_BUS_FLASH_BASE                   0x08000000
158
159 /* FDMA to PCIe packing */
160 #define COBALT_BYTES_PER_PIXEL_YUYV             2
161 #define COBALT_BYTES_PER_PIXEL_RGB24            3
162 #define COBALT_BYTES_PER_PIXEL_RGB32            4
163
164 /* debugging */
165 extern int cobalt_debug;
166 extern int cobalt_ignore_err;
167
168 #define cobalt_err(fmt, arg...)  v4l2_err(&cobalt->v4l2_dev, fmt, ## arg)
169 #define cobalt_warn(fmt, arg...) v4l2_warn(&cobalt->v4l2_dev, fmt, ## arg)
170 #define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
171 #define cobalt_dbg(level, fmt, arg...) \
172         v4l2_dbg(level, cobalt_debug, &cobalt->v4l2_dev, fmt, ## arg)
173
174 struct cobalt;
175 struct cobalt_i2c_regs;
176
177 /* Per I2C bus private algo callback data */
178 struct cobalt_i2c_data {
179         struct cobalt *cobalt;
180         struct cobalt_i2c_regs __iomem *regs;
181 };
182
183 struct pci_consistent_buffer {
184         void *virt;
185         dma_addr_t bus;
186         size_t bytes;
187 };
188
189 struct sg_dma_desc_info {
190         void *virt;
191         dma_addr_t bus;
192         unsigned size;
193         void *last_desc_virt;
194         struct device *dev;
195 };
196
197 #define COBALT_MAX_WIDTH                        1920
198 #define COBALT_MAX_HEIGHT                       1200
199 #define COBALT_MAX_BPP                          3
200 #define COBALT_MAX_FRAMESZ \
201         (COBALT_MAX_WIDTH * COBALT_MAX_HEIGHT * COBALT_MAX_BPP)
202
203 #define NR_BUFS                                 VIDEO_MAX_FRAME
204
205 #define COBALT_STREAM_FL_DMA_IRQ                0
206 #define COBALT_STREAM_FL_ADV_IRQ                1
207
208 struct cobalt_buffer {
209         struct vb2_buffer vb;
210         struct list_head list;
211 };
212
213 static inline struct cobalt_buffer *to_cobalt_buffer(struct vb2_buffer *vb2)
214 {
215         return container_of(vb2, struct cobalt_buffer, vb);
216 }
217
218 struct cobalt_stream {
219         struct video_device vdev;
220         struct vb2_queue q;
221         struct list_head bufs;
222         struct i2c_adapter *i2c_adap;
223         struct v4l2_subdev *sd;
224         struct mutex lock;
225         spinlock_t irqlock;
226         struct v4l2_dv_timings timings;
227         u32 input;
228         u32 pad_source;
229         u32 width, height, bpp;
230         u32 stride;
231         u32 pixfmt;
232         u32 sequence;
233         u32 colorspace;
234         u32 xfer_func;
235         u32 ycbcr_enc;
236         u32 quantization;
237
238         u8 dma_channel;
239         int video_channel;
240         unsigned dma_fifo_mask;
241         unsigned adv_irq_mask;
242         struct sg_dma_desc_info dma_desc_info[NR_BUFS];
243         unsigned long flags;
244         bool unstable_frame;
245         bool enable_cvi;
246         bool enable_freewheel;
247         unsigned skip_first_frames;
248         bool is_output;
249         bool is_audio;
250         bool is_dummy;
251
252         struct cobalt *cobalt;
253         struct snd_cobalt_card *alsa;
254 };
255
256 struct snd_cobalt_card;
257
258 /* Struct to hold info about cobalt cards */
259 struct cobalt {
260         int instance;
261         struct pci_dev *pci_dev;
262         struct v4l2_device v4l2_dev;
263         void *alloc_ctx;
264
265         void __iomem *bar0, *bar1;
266
267         u8 card_rev;
268         u16 device_id;
269
270         /* device nodes */
271         struct cobalt_stream streams[DMA_CHANNELS_MAX];
272         struct i2c_adapter i2c_adap[COBALT_NUM_ADAPTERS];
273         struct cobalt_i2c_data i2c_data[COBALT_NUM_ADAPTERS];
274         bool have_hsma_rx;
275         bool have_hsma_tx;
276
277         /* irq */
278         struct workqueue_struct *irq_work_queues;
279         struct work_struct irq_work_queue;              /* work entry */
280         /* irq counters */
281         u32 irq_adv1;
282         u32 irq_adv2;
283         u32 irq_advout;
284         u32 irq_dma_tot;
285         u32 irq_dma[COBALT_NUM_STREAMS];
286         u32 irq_none;
287         u32 irq_full_fifo;
288
289         bool msi_enabled;
290
291         /* omnitek dma */
292         int dma_channels;
293         int first_fifo_channel;
294         bool pci_32_bit;
295
296         char hdl_info[COBALT_HDL_INFO_SIZE];
297
298         /* NOR flash */
299         struct mtd_info *mtd;
300 };
301
302 static inline struct cobalt *to_cobalt(struct v4l2_device *v4l2_dev)
303 {
304         return container_of(v4l2_dev, struct cobalt, v4l2_dev);
305 }
306
307 static inline void cobalt_write_bar0(struct cobalt *cobalt, u32 reg, u32 val)
308 {
309         iowrite32(val, cobalt->bar0 + reg);
310 }
311
312 static inline u32 cobalt_read_bar0(struct cobalt *cobalt, u32 reg)
313 {
314         return ioread32(cobalt->bar0 + reg);
315 }
316
317 static inline void cobalt_write_bar1(struct cobalt *cobalt, u32 reg, u32 val)
318 {
319         iowrite32(val, cobalt->bar1 + reg);
320 }
321
322 static inline u32 cobalt_read_bar1(struct cobalt *cobalt, u32 reg)
323 {
324         return ioread32(cobalt->bar1 + reg);
325 }
326
327 static inline u32 cobalt_g_sysctrl(struct cobalt *cobalt)
328 {
329         return cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
330 }
331
332 static inline void cobalt_s_bit_sysctrl(struct cobalt *cobalt,
333                                         int bit, int val)
334 {
335         u32 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
336
337         cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE,
338                         (ctrl & ~(1UL << bit)) | (val << bit));
339 }
340
341 static inline u32 cobalt_g_sysstat(struct cobalt *cobalt)
342 {
343         return cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE);
344 }
345
346 #define ADRS_REG (bar1 + COBALT_BUS_BAR1_BASE + 0)
347 #define LOWER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 4)
348 #define UPPER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 6)
349
350 static inline u32 cobalt_bus_read32(void __iomem *bar1, u32 bus_adrs)
351 {
352         iowrite32(bus_adrs, ADRS_REG);
353         return ioread32(LOWER_DATA);
354 }
355
356 static inline void cobalt_bus_write16(void __iomem *bar1,
357                                       u32 bus_adrs, u16 data)
358 {
359         iowrite32(bus_adrs, ADRS_REG);
360         if (bus_adrs & 2)
361                 iowrite16(data, UPPER_DATA);
362         else
363                 iowrite16(data, LOWER_DATA);
364 }
365
366 static inline void cobalt_bus_write32(void __iomem *bar1,
367                                       u32 bus_adrs, u16 data)
368 {
369         iowrite32(bus_adrs, ADRS_REG);
370         if (bus_adrs & 2)
371                 iowrite32(data, UPPER_DATA);
372         else
373                 iowrite32(data, LOWER_DATA);
374 }
375
376 /*==============Prototypes==================*/
377
378 void cobalt_pcie_status_show(struct cobalt *cobalt);
379
380 #endif