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d19770e5 ST |
1 | /* |
2 | * Driver for the Conexant CX23885 PCIe bridge | |
3 | * | |
4 | * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/pci.h> | |
23 | #include <linux/i2c.h> | |
24 | #include <linux/i2c-algo-bit.h> | |
25 | #include <linux/kdev_t.h> | |
26 | ||
27 | #include <media/v4l2-common.h> | |
28 | #include <media/tuner.h> | |
29 | #include <media/tveeprom.h> | |
30 | #include <media/video-buf.h> | |
03121f05 | 31 | #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE) |
d19770e5 | 32 | #include <media/video-buf-dvb.h> |
03121f05 | 33 | #endif |
d19770e5 ST |
34 | |
35 | #include "btcx-risc.h" | |
36 | #include "cx23885-reg.h" | |
37 | ||
38 | #include <linux/version.h> | |
39 | #include <linux/mutex.h> | |
40 | ||
047646bf | 41 | #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1) |
d19770e5 ST |
42 | |
43 | #define UNSET (-1U) | |
44 | ||
45 | #define CX23885_MAXBOARDS 8 | |
46 | ||
d19770e5 ST |
47 | /* Max number of inputs by card */ |
48 | #define MAX_CX23885_INPUT 8 | |
49 | ||
d19770e5 ST |
50 | #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ |
51 | ||
52 | #define CX23885_BOARD_NOAUTO UNSET | |
53 | #define CX23885_BOARD_UNKNOWN 0 | |
54 | #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1 | |
55 | #define CX23885_BOARD_HAUPPAUGE_HVR1800 2 | |
a77743bc | 56 | #define CX23885_BOARD_HAUPPAUGE_HVR1250 3 |
d19770e5 ST |
57 | |
58 | enum cx23885_itype { | |
59 | CX23885_VMUX_COMPOSITE1 = 1, | |
60 | CX23885_VMUX_COMPOSITE2, | |
61 | CX23885_VMUX_COMPOSITE3, | |
62 | CX23885_VMUX_COMPOSITE4, | |
63 | CX23885_VMUX_SVIDEO, | |
64 | CX23885_VMUX_TELEVISION, | |
65 | CX23885_VMUX_CABLE, | |
66 | CX23885_VMUX_DVB, | |
67 | CX23885_VMUX_DEBUG, | |
68 | CX23885_RADIO, | |
69 | }; | |
70 | ||
d19770e5 ST |
71 | /* buffer for one video frame */ |
72 | struct cx23885_buffer { | |
73 | /* common v4l buffer stuff -- must be first */ | |
74 | struct videobuf_buffer vb; | |
75 | ||
76 | /* cx23885 specific */ | |
77 | unsigned int bpl; | |
78 | struct btcx_riscmem risc; | |
79 | struct cx23885_fmt *fmt; | |
80 | u32 count; | |
81 | }; | |
82 | ||
83 | struct cx23885_input { | |
84 | enum cx23885_itype type; | |
85 | unsigned int vmux; | |
86 | u32 gpio0, gpio1, gpio2, gpio3; | |
87 | }; | |
88 | ||
661c7e44 ST |
89 | typedef enum { |
90 | CX23885_MPEG_UNDEFINED = 0, | |
91 | CX23885_MPEG_DVB | |
92 | } port_t; | |
93 | ||
d19770e5 ST |
94 | struct cx23885_board { |
95 | char *name; | |
661c7e44 | 96 | port_t portb, portc; |
d19770e5 ST |
97 | struct cx23885_input input[MAX_CX23885_INPUT]; |
98 | }; | |
99 | ||
100 | struct cx23885_subid { | |
101 | u16 subvendor; | |
102 | u16 subdevice; | |
103 | u32 card; | |
104 | }; | |
105 | ||
106 | struct cx23885_i2c { | |
107 | struct cx23885_dev *dev; | |
108 | ||
109 | int nr; | |
110 | ||
111 | /* i2c i/o */ | |
112 | struct i2c_adapter i2c_adap; | |
113 | struct i2c_algo_bit_data i2c_algo; | |
114 | struct i2c_client i2c_client; | |
115 | u32 i2c_rc; | |
116 | ||
117 | /* 885 registers used for raw addess */ | |
118 | u32 i2c_period; | |
119 | u32 reg_ctrl; | |
120 | u32 reg_stat; | |
121 | u32 reg_addr; | |
122 | u32 reg_rdata; | |
123 | u32 reg_wdata; | |
124 | }; | |
125 | ||
126 | struct cx23885_dmaqueue { | |
127 | struct list_head active; | |
128 | struct list_head queued; | |
129 | struct timer_list timeout; | |
130 | struct btcx_riscmem stopper; | |
131 | u32 count; | |
132 | }; | |
133 | ||
134 | struct cx23885_tsport { | |
135 | struct cx23885_dev *dev; | |
136 | ||
137 | int nr; | |
138 | int sram_chno; | |
139 | ||
140 | struct videobuf_dvb dvb; | |
141 | ||
142 | /* dma queues */ | |
143 | struct cx23885_dmaqueue mpegq; | |
144 | u32 ts_packet_size; | |
145 | u32 ts_packet_count; | |
146 | ||
147 | int width; | |
148 | int height; | |
149 | ||
150 | spinlock_t slock; | |
151 | ||
152 | /* registers */ | |
153 | u32 reg_gpcnt; | |
154 | u32 reg_gpcnt_ctl; | |
155 | u32 reg_dma_ctl; | |
156 | u32 reg_lngth; | |
157 | u32 reg_hw_sop_ctrl; | |
158 | u32 reg_gen_ctrl; | |
159 | u32 reg_bd_pkt_status; | |
160 | u32 reg_sop_status; | |
161 | u32 reg_fifo_ovfl_stat; | |
162 | u32 reg_vld_misc; | |
163 | u32 reg_ts_clk_en; | |
164 | u32 reg_ts_int_msk; | |
165 | ||
166 | /* Default register vals */ | |
167 | int pci_irqmask; | |
168 | u32 dma_ctl_val; | |
169 | u32 ts_int_msk_val; | |
170 | u32 gen_ctrl_val; | |
171 | u32 ts_clk_en_val; | |
172 | }; | |
173 | ||
174 | struct cx23885_dev { | |
175 | struct list_head devlist; | |
176 | atomic_t refcount; | |
177 | ||
178 | /* pci stuff */ | |
179 | struct pci_dev *pci; | |
180 | unsigned char pci_rev, pci_lat; | |
181 | int pci_bus, pci_slot; | |
182 | u32 __iomem *lmmio; | |
183 | u8 __iomem *bmmio; | |
d19770e5 ST |
184 | int pci_irqmask; |
185 | ||
44a6481d | 186 | /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ |
d19770e5 ST |
187 | struct cx23885_i2c i2c_bus[3]; |
188 | ||
189 | int nr; | |
190 | struct mutex lock; | |
191 | ||
192 | /* board details */ | |
193 | unsigned int board; | |
194 | char name[32]; | |
195 | ||
196 | struct cx23885_tsport ts2; | |
197 | ||
198 | /* sram configuration */ | |
199 | struct sram_channel *sram_channels; | |
e133be0f ST |
200 | |
201 | enum { | |
202 | CX23885_BRIDGE_UNDEFINED = 0, | |
203 | CX23885_BRIDGE_885 = 885, | |
204 | CX23885_BRIDGE_887 = 887, | |
205 | } bridge; | |
d19770e5 ST |
206 | }; |
207 | ||
208 | #define SRAM_CH01 0 /* Video A */ | |
209 | #define SRAM_CH02 1 /* VBI A */ | |
210 | #define SRAM_CH03 2 /* Video B */ | |
211 | #define SRAM_CH04 3 /* Transport via B */ | |
212 | #define SRAM_CH05 4 /* VBI B */ | |
213 | #define SRAM_CH06 5 /* Video C */ | |
214 | #define SRAM_CH07 6 /* Transport via C */ | |
215 | #define SRAM_CH08 7 /* Audio Internal A */ | |
216 | #define SRAM_CH09 8 /* Audio Internal B */ | |
217 | #define SRAM_CH10 9 /* Audio External */ | |
218 | #define SRAM_CH11 10 /* COMB_3D_N */ | |
219 | #define SRAM_CH12 11 /* Comb 3D N1 */ | |
220 | #define SRAM_CH13 12 /* Comb 3D N2 */ | |
221 | #define SRAM_CH14 13 /* MOE Vid */ | |
222 | #define SRAM_CH15 14 /* MOE RSLT */ | |
223 | ||
224 | struct sram_channel { | |
225 | char *name; | |
226 | u32 cmds_start; | |
227 | u32 ctrl_start; | |
228 | u32 cdt; | |
229 | u32 fifo_start;; | |
230 | u32 fifo_size; | |
231 | u32 ptr1_reg; | |
232 | u32 ptr2_reg; | |
233 | u32 cnt1_reg; | |
234 | u32 cnt2_reg; | |
235 | u32 jumponly; | |
236 | }; | |
237 | ||
238 | /* ----------------------------------------------------------- */ | |
239 | ||
240 | #define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) | |
241 | #define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2)) | |
242 | ||
243 | #define cx_andor(reg,mask,value) \ | |
244 | writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ | |
245 | ((value) & (mask)), dev->lmmio+((reg)>>2)) | |
246 | ||
247 | #define cx_set(reg,bit) cx_andor((reg),(bit),(bit)) | |
248 | #define cx_clear(reg,bit) cx_andor((reg),(bit),0) | |
249 | ||
d19770e5 ST |
250 | extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, |
251 | struct sram_channel *ch, | |
252 | unsigned int bpl, u32 risc); | |
253 | ||
254 | /* ----------------------------------------------------------- */ | |
255 | /* cx23885-cards.c */ | |
256 | ||
257 | extern struct cx23885_board cx23885_boards[]; | |
258 | extern const unsigned int cx23885_bcount; | |
259 | ||
260 | extern struct cx23885_subid cx23885_subids[]; | |
261 | extern const unsigned int cx23885_idcount; | |
262 | ||
263 | extern void cx23885_card_list(struct cx23885_dev *dev); | |
264 | extern void cx23885_card_setup(struct cx23885_dev *dev); | |
265 | extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); | |
266 | ||
267 | extern int cx23885_dvb_register(struct cx23885_tsport *port); | |
268 | extern int cx23885_dvb_unregister(struct cx23885_tsport *port); | |
269 | ||
44a6481d MK |
270 | extern int cx23885_buf_prepare(struct videobuf_queue *q, |
271 | struct cx23885_tsport *port, | |
272 | struct cx23885_buffer *buf, | |
273 | enum v4l2_field field); | |
d19770e5 | 274 | |
44a6481d MK |
275 | extern void cx23885_buf_queue(struct cx23885_tsport *port, |
276 | struct cx23885_buffer *buf); | |
277 | extern void cx23885_free_buffer(struct videobuf_queue *q, | |
278 | struct cx23885_buffer *buf); | |
d19770e5 ST |
279 | |
280 | /* ----------------------------------------------------------- */ | |
281 | /* cx23885-i2c.c */ | |
282 | extern int cx23885_i2c_register(struct cx23885_i2c *bus); | |
283 | extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); | |
44a6481d MK |
284 | extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, |
285 | void *arg); | |
d19770e5 ST |
286 | |
287 | /* | |
288 | * Local variables: | |
289 | * c-basic-offset: 8 | |
290 | * End: | |
291 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off | |
292 | */ |