Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * |
| 3 | * device driver for Conexant 2388x based TV cards |
| 4 | * driver core |
| 5 | * |
| 6 | * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | */ |
| 22 | |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/list.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/moduleparam.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/kmod.h> |
| 30 | #include <linux/sound.h> |
| 31 | #include <linux/interrupt.h> |
| 32 | #include <linux/pci.h> |
| 33 | #include <linux/delay.h> |
Mauro Carvalho Chehab | 98f30ed | 2005-11-08 21:37:17 -0800 | [diff] [blame] | 34 | #include <linux/videodev2.h> |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 35 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
| 37 | #include "cx88.h" |
Michael Krufky | 5e453dc | 2006-01-09 15:32:31 -0200 | [diff] [blame] | 38 | #include <media/v4l2-common.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | |
| 40 | MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); |
| 41 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |
| 42 | MODULE_LICENSE("GPL"); |
| 43 | |
| 44 | /* ------------------------------------------------------------------ */ |
| 45 | |
| 46 | static unsigned int core_debug = 0; |
| 47 | module_param(core_debug,int,0644); |
| 48 | MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); |
| 49 | |
| 50 | static unsigned int latency = UNSET; |
| 51 | module_param(latency,int,0444); |
| 52 | MODULE_PARM_DESC(latency,"pci latency timer"); |
| 53 | |
| 54 | static unsigned int tuner[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 55 | static unsigned int radio[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | static unsigned int card[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; |
| 57 | |
| 58 | module_param_array(tuner, int, NULL, 0444); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 59 | module_param_array(radio, int, NULL, 0444); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | module_param_array(card, int, NULL, 0444); |
| 61 | |
| 62 | MODULE_PARM_DESC(tuner,"tuner type"); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 63 | MODULE_PARM_DESC(radio,"radio tuner type"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | MODULE_PARM_DESC(card,"card type"); |
| 65 | |
| 66 | static unsigned int nicam = 0; |
| 67 | module_param(nicam,int,0644); |
| 68 | MODULE_PARM_DESC(nicam,"tv audio is nicam"); |
| 69 | |
| 70 | static unsigned int nocomb = 0; |
| 71 | module_param(nocomb,int,0644); |
| 72 | MODULE_PARM_DESC(nocomb,"disable comb filter"); |
| 73 | |
| 74 | #define dprintk(level,fmt, arg...) if (core_debug >= level) \ |
| 75 | printk(KERN_DEBUG "%s: " fmt, core->name , ## arg) |
| 76 | |
| 77 | static unsigned int cx88_devcount; |
| 78 | static LIST_HEAD(cx88_devlist); |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 79 | static DEFINE_MUTEX(devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | #define NO_SYNC_LINE (-1U) |
| 82 | |
| 83 | static u32* cx88_risc_field(u32 *rp, struct scatterlist *sglist, |
| 84 | unsigned int offset, u32 sync_line, |
| 85 | unsigned int bpl, unsigned int padding, |
| 86 | unsigned int lines) |
| 87 | { |
| 88 | struct scatterlist *sg; |
| 89 | unsigned int line,todo; |
| 90 | |
| 91 | /* sync instruction */ |
| 92 | if (sync_line != NO_SYNC_LINE) |
| 93 | *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); |
| 94 | |
| 95 | /* scan lines */ |
| 96 | sg = sglist; |
| 97 | for (line = 0; line < lines; line++) { |
| 98 | while (offset && offset >= sg_dma_len(sg)) { |
| 99 | offset -= sg_dma_len(sg); |
| 100 | sg++; |
| 101 | } |
| 102 | if (bpl <= sg_dma_len(sg)-offset) { |
| 103 | /* fits into current chunk */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 104 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl); |
| 105 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); |
| 106 | offset+=bpl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | } else { |
| 108 | /* scanline needs to be splitted */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 109 | todo = bpl; |
| 110 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL| |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | (sg_dma_len(sg)-offset)); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 112 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); |
| 113 | todo -= (sg_dma_len(sg)-offset); |
| 114 | offset = 0; |
| 115 | sg++; |
| 116 | while (todo > sg_dma_len(sg)) { |
Mauro Carvalho Chehab | f2421ca | 2005-11-08 21:37:45 -0800 | [diff] [blame] | 117 | *(rp++)=cpu_to_le32(RISC_WRITE| |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | sg_dma_len(sg)); |
Mauro Carvalho Chehab | f2421ca | 2005-11-08 21:37:45 -0800 | [diff] [blame] | 119 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | todo -= sg_dma_len(sg); |
| 121 | sg++; |
| 122 | } |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 123 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); |
| 125 | offset += todo; |
| 126 | } |
| 127 | offset += padding; |
| 128 | } |
| 129 | |
| 130 | return rp; |
| 131 | } |
| 132 | |
| 133 | int cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, |
| 134 | struct scatterlist *sglist, |
| 135 | unsigned int top_offset, unsigned int bottom_offset, |
| 136 | unsigned int bpl, unsigned int padding, unsigned int lines) |
| 137 | { |
| 138 | u32 instructions,fields; |
| 139 | u32 *rp; |
| 140 | int rc; |
| 141 | |
| 142 | fields = 0; |
| 143 | if (UNSET != top_offset) |
| 144 | fields++; |
| 145 | if (UNSET != bottom_offset) |
| 146 | fields++; |
| 147 | |
| 148 | /* estimate risc mem: worst case is one write per page border + |
| 149 | one write per scan line + syncs + jump (all 2 dwords) */ |
| 150 | instructions = (bpl * lines * fields) / PAGE_SIZE + lines * fields; |
| 151 | instructions += 3 + 4; |
| 152 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) |
| 153 | return rc; |
| 154 | |
| 155 | /* write risc instructions */ |
| 156 | rp = risc->cpu; |
| 157 | if (UNSET != top_offset) |
| 158 | rp = cx88_risc_field(rp, sglist, top_offset, 0, |
| 159 | bpl, padding, lines); |
| 160 | if (UNSET != bottom_offset) |
| 161 | rp = cx88_risc_field(rp, sglist, bottom_offset, 0x200, |
| 162 | bpl, padding, lines); |
| 163 | |
| 164 | /* save pointer to jmp instruction address */ |
| 165 | risc->jmp = rp; |
| 166 | BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size); |
| 167 | return 0; |
| 168 | } |
| 169 | |
| 170 | int cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc, |
| 171 | struct scatterlist *sglist, unsigned int bpl, |
| 172 | unsigned int lines) |
| 173 | { |
| 174 | u32 instructions; |
| 175 | u32 *rp; |
| 176 | int rc; |
| 177 | |
| 178 | /* estimate risc mem: worst case is one write per page border + |
| 179 | one write per scan line + syncs + jump (all 2 dwords) */ |
| 180 | instructions = (bpl * lines) / PAGE_SIZE + lines; |
| 181 | instructions += 3 + 4; |
| 182 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) |
| 183 | return rc; |
| 184 | |
| 185 | /* write risc instructions */ |
| 186 | rp = risc->cpu; |
| 187 | rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines); |
| 188 | |
| 189 | /* save pointer to jmp instruction address */ |
| 190 | risc->jmp = rp; |
| 191 | BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size); |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | int cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, |
| 196 | u32 reg, u32 mask, u32 value) |
| 197 | { |
| 198 | u32 *rp; |
| 199 | int rc; |
| 200 | |
| 201 | if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0) |
| 202 | return rc; |
| 203 | |
| 204 | /* write risc instructions */ |
| 205 | rp = risc->cpu; |
| 206 | *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2 | RISC_IMM); |
| 207 | *(rp++) = cpu_to_le32(reg); |
| 208 | *(rp++) = cpu_to_le32(value); |
| 209 | *(rp++) = cpu_to_le32(mask); |
| 210 | *(rp++) = cpu_to_le32(RISC_JUMP); |
| 211 | *(rp++) = cpu_to_le32(risc->dma); |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | void |
| 216 | cx88_free_buffer(struct pci_dev *pci, struct cx88_buffer *buf) |
| 217 | { |
| 218 | if (in_interrupt()) |
| 219 | BUG(); |
| 220 | videobuf_waiton(&buf->vb,0,0); |
| 221 | videobuf_dma_pci_unmap(pci, &buf->vb.dma); |
| 222 | videobuf_dma_free(&buf->vb.dma); |
| 223 | btcx_riscmem_free(pci, &buf->risc); |
| 224 | buf->vb.state = STATE_NEEDS_INIT; |
| 225 | } |
| 226 | |
| 227 | /* ------------------------------------------------------------------ */ |
| 228 | /* our SRAM memory layout */ |
| 229 | |
| 230 | /* we are going to put all thr risc programs into host memory, so we |
| 231 | * can use the whole SDRAM for the DMA fifos. To simplify things, we |
| 232 | * use a static memory layout. That surely will waste memory in case |
| 233 | * we don't use all DMA channels at the same time (which will be the |
| 234 | * case most of the time). But that still gives us enougth FIFO space |
| 235 | * to be able to deal with insane long pci latencies ... |
| 236 | * |
| 237 | * FIFO space allocations: |
| 238 | * channel 21 (y video) - 10.0k |
| 239 | * channel 22 (u video) - 2.0k |
| 240 | * channel 23 (v video) - 2.0k |
| 241 | * channel 24 (vbi) - 4.0k |
Mauro Carvalho Chehab | b7f355d | 2006-01-09 15:32:44 -0200 | [diff] [blame] | 242 | * channels 25+26 (audio) - 4.0k |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | * channel 28 (mpeg) - 4.0k |
Mauro Carvalho Chehab | b7f355d | 2006-01-09 15:32:44 -0200 | [diff] [blame] | 244 | * TOTAL = 29.0k |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | * |
| 246 | * Every channel has 160 bytes control data (64 bytes instruction |
| 247 | * queue and 6 CDT entries), which is close to 2k total. |
| 248 | * |
| 249 | * Address layout: |
| 250 | * 0x0000 - 0x03ff CMDs / reserved |
| 251 | * 0x0400 - 0x0bff instruction queues + CDs |
| 252 | * 0x0c00 - FIFOs |
| 253 | */ |
| 254 | |
| 255 | struct sram_channel cx88_sram_channels[] = { |
| 256 | [SRAM_CH21] = { |
| 257 | .name = "video y / packed", |
| 258 | .cmds_start = 0x180040, |
| 259 | .ctrl_start = 0x180400, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 260 | .cdt = 0x180400 + 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | .fifo_start = 0x180c00, |
| 262 | .fifo_size = 0x002800, |
| 263 | .ptr1_reg = MO_DMA21_PTR1, |
| 264 | .ptr2_reg = MO_DMA21_PTR2, |
| 265 | .cnt1_reg = MO_DMA21_CNT1, |
| 266 | .cnt2_reg = MO_DMA21_CNT2, |
| 267 | }, |
| 268 | [SRAM_CH22] = { |
| 269 | .name = "video u", |
| 270 | .cmds_start = 0x180080, |
| 271 | .ctrl_start = 0x1804a0, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 272 | .cdt = 0x1804a0 + 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | .fifo_start = 0x183400, |
| 274 | .fifo_size = 0x000800, |
| 275 | .ptr1_reg = MO_DMA22_PTR1, |
| 276 | .ptr2_reg = MO_DMA22_PTR2, |
| 277 | .cnt1_reg = MO_DMA22_CNT1, |
| 278 | .cnt2_reg = MO_DMA22_CNT2, |
| 279 | }, |
| 280 | [SRAM_CH23] = { |
| 281 | .name = "video v", |
| 282 | .cmds_start = 0x1800c0, |
| 283 | .ctrl_start = 0x180540, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 284 | .cdt = 0x180540 + 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | .fifo_start = 0x183c00, |
| 286 | .fifo_size = 0x000800, |
| 287 | .ptr1_reg = MO_DMA23_PTR1, |
| 288 | .ptr2_reg = MO_DMA23_PTR2, |
| 289 | .cnt1_reg = MO_DMA23_CNT1, |
| 290 | .cnt2_reg = MO_DMA23_CNT2, |
| 291 | }, |
| 292 | [SRAM_CH24] = { |
| 293 | .name = "vbi", |
| 294 | .cmds_start = 0x180100, |
| 295 | .ctrl_start = 0x1805e0, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 296 | .cdt = 0x1805e0 + 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | .fifo_start = 0x184400, |
| 298 | .fifo_size = 0x001000, |
| 299 | .ptr1_reg = MO_DMA24_PTR1, |
| 300 | .ptr2_reg = MO_DMA24_PTR2, |
| 301 | .cnt1_reg = MO_DMA24_CNT1, |
| 302 | .cnt2_reg = MO_DMA24_CNT2, |
| 303 | }, |
| 304 | [SRAM_CH25] = { |
| 305 | .name = "audio from", |
| 306 | .cmds_start = 0x180140, |
| 307 | .ctrl_start = 0x180680, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 308 | .cdt = 0x180680 + 64, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | .fifo_start = 0x185400, |
Mauro Carvalho Chehab | b7f355d | 2006-01-09 15:32:44 -0200 | [diff] [blame] | 310 | .fifo_size = 0x001000, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | .ptr1_reg = MO_DMA25_PTR1, |
| 312 | .ptr2_reg = MO_DMA25_PTR2, |
| 313 | .cnt1_reg = MO_DMA25_CNT1, |
| 314 | .cnt2_reg = MO_DMA25_CNT2, |
| 315 | }, |
| 316 | [SRAM_CH26] = { |
| 317 | .name = "audio to", |
| 318 | .cmds_start = 0x180180, |
| 319 | .ctrl_start = 0x180720, |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 320 | .cdt = 0x180680 + 64, /* same as audio IN */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | .fifo_start = 0x185400, /* same as audio IN */ |
Mauro Carvalho Chehab | b7f355d | 2006-01-09 15:32:44 -0200 | [diff] [blame] | 322 | .fifo_size = 0x001000, /* same as audio IN */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | .ptr1_reg = MO_DMA26_PTR1, |
| 324 | .ptr2_reg = MO_DMA26_PTR2, |
| 325 | .cnt1_reg = MO_DMA26_CNT1, |
| 326 | .cnt2_reg = MO_DMA26_CNT2, |
| 327 | }, |
| 328 | [SRAM_CH28] = { |
| 329 | .name = "mpeg", |
| 330 | .cmds_start = 0x180200, |
| 331 | .ctrl_start = 0x1807C0, |
| 332 | .cdt = 0x1807C0 + 64, |
Mauro Carvalho Chehab | b7f355d | 2006-01-09 15:32:44 -0200 | [diff] [blame] | 333 | .fifo_start = 0x186400, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | .fifo_size = 0x001000, |
| 335 | .ptr1_reg = MO_DMA28_PTR1, |
| 336 | .ptr2_reg = MO_DMA28_PTR2, |
| 337 | .cnt1_reg = MO_DMA28_CNT1, |
| 338 | .cnt2_reg = MO_DMA28_CNT2, |
| 339 | }, |
| 340 | }; |
| 341 | |
| 342 | int cx88_sram_channel_setup(struct cx88_core *core, |
| 343 | struct sram_channel *ch, |
| 344 | unsigned int bpl, u32 risc) |
| 345 | { |
| 346 | unsigned int i,lines; |
| 347 | u32 cdt; |
| 348 | |
| 349 | bpl = (bpl + 7) & ~7; /* alignment */ |
| 350 | cdt = ch->cdt; |
| 351 | lines = ch->fifo_size / bpl; |
| 352 | if (lines > 6) |
| 353 | lines = 6; |
| 354 | BUG_ON(lines < 2); |
| 355 | |
| 356 | /* write CDT */ |
| 357 | for (i = 0; i < lines; i++) |
| 358 | cx_write(cdt + 16*i, ch->fifo_start + bpl*i); |
| 359 | |
| 360 | /* write CMDS */ |
| 361 | cx_write(ch->cmds_start + 0, risc); |
| 362 | cx_write(ch->cmds_start + 4, cdt); |
| 363 | cx_write(ch->cmds_start + 8, (lines*16) >> 3); |
| 364 | cx_write(ch->cmds_start + 12, ch->ctrl_start); |
| 365 | cx_write(ch->cmds_start + 16, 64 >> 2); |
| 366 | for (i = 20; i < 64; i += 4) |
| 367 | cx_write(ch->cmds_start + i, 0); |
| 368 | |
| 369 | /* fill registers */ |
| 370 | cx_write(ch->ptr1_reg, ch->fifo_start); |
| 371 | cx_write(ch->ptr2_reg, cdt); |
| 372 | cx_write(ch->cnt1_reg, (bpl >> 3) -1); |
| 373 | cx_write(ch->cnt2_reg, (lines*16) >> 3); |
| 374 | |
| 375 | dprintk(2,"sram setup %s: bpl=%d lines=%d\n", ch->name, bpl, lines); |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | /* ------------------------------------------------------------------ */ |
| 380 | /* debug helper code */ |
| 381 | |
Peter Hagervall | f9e7a02 | 2005-11-08 21:36:29 -0800 | [diff] [blame] | 382 | static int cx88_risc_decode(u32 risc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | { |
| 384 | static char *instr[16] = { |
| 385 | [ RISC_SYNC >> 28 ] = "sync", |
| 386 | [ RISC_WRITE >> 28 ] = "write", |
| 387 | [ RISC_WRITEC >> 28 ] = "writec", |
| 388 | [ RISC_READ >> 28 ] = "read", |
| 389 | [ RISC_READC >> 28 ] = "readc", |
| 390 | [ RISC_JUMP >> 28 ] = "jump", |
| 391 | [ RISC_SKIP >> 28 ] = "skip", |
| 392 | [ RISC_WRITERM >> 28 ] = "writerm", |
| 393 | [ RISC_WRITECM >> 28 ] = "writecm", |
| 394 | [ RISC_WRITECR >> 28 ] = "writecr", |
| 395 | }; |
| 396 | static int incr[16] = { |
| 397 | [ RISC_WRITE >> 28 ] = 2, |
| 398 | [ RISC_JUMP >> 28 ] = 2, |
| 399 | [ RISC_WRITERM >> 28 ] = 3, |
| 400 | [ RISC_WRITECM >> 28 ] = 3, |
| 401 | [ RISC_WRITECR >> 28 ] = 4, |
| 402 | }; |
| 403 | static char *bits[] = { |
| 404 | "12", "13", "14", "resync", |
| 405 | "cnt0", "cnt1", "18", "19", |
| 406 | "20", "21", "22", "23", |
| 407 | "irq1", "irq2", "eol", "sol", |
| 408 | }; |
| 409 | int i; |
| 410 | |
| 411 | printk("0x%08x [ %s", risc, |
| 412 | instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); |
| 413 | for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) |
| 414 | if (risc & (1 << (i + 12))) |
| 415 | printk(" %s",bits[i]); |
| 416 | printk(" count=%d ]\n", risc & 0xfff); |
| 417 | return incr[risc >> 28] ? incr[risc >> 28] : 1; |
| 418 | } |
| 419 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | |
| 421 | void cx88_sram_channel_dump(struct cx88_core *core, |
| 422 | struct sram_channel *ch) |
| 423 | { |
| 424 | static char *name[] = { |
| 425 | "initial risc", |
| 426 | "cdt base", |
| 427 | "cdt size", |
| 428 | "iq base", |
| 429 | "iq size", |
| 430 | "risc pc", |
| 431 | "iq wr ptr", |
| 432 | "iq rd ptr", |
| 433 | "cdt current", |
| 434 | "pci target", |
| 435 | "line / byte", |
| 436 | }; |
| 437 | u32 risc; |
| 438 | unsigned int i,j,n; |
| 439 | |
| 440 | printk("%s: %s - dma channel status dump\n", |
| 441 | core->name,ch->name); |
| 442 | for (i = 0; i < ARRAY_SIZE(name); i++) |
| 443 | printk("%s: cmds: %-12s: 0x%08x\n", |
| 444 | core->name,name[i], |
| 445 | cx_read(ch->cmds_start + 4*i)); |
| 446 | for (i = 0; i < 4; i++) { |
| 447 | risc = cx_read(ch->cmds_start + 4 * (i+11)); |
| 448 | printk("%s: risc%d: ", core->name, i); |
| 449 | cx88_risc_decode(risc); |
| 450 | } |
| 451 | for (i = 0; i < 16; i += n) { |
| 452 | risc = cx_read(ch->ctrl_start + 4 * i); |
| 453 | printk("%s: iq %x: ", core->name, i); |
| 454 | n = cx88_risc_decode(risc); |
| 455 | for (j = 1; j < n; j++) { |
| 456 | risc = cx_read(ch->ctrl_start + 4 * (i+j)); |
| 457 | printk("%s: iq %x: 0x%08x [ arg #%d ]\n", |
| 458 | core->name, i+j, risc, j); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | printk("%s: fifo: 0x%08x -> 0x%x\n", |
| 463 | core->name, ch->fifo_start, ch->fifo_start+ch->fifo_size); |
| 464 | printk("%s: ctrl: 0x%08x -> 0x%x\n", |
| 465 | core->name, ch->ctrl_start, ch->ctrl_start+6*16); |
| 466 | printk("%s: ptr1_reg: 0x%08x\n", |
| 467 | core->name,cx_read(ch->ptr1_reg)); |
| 468 | printk("%s: ptr2_reg: 0x%08x\n", |
| 469 | core->name,cx_read(ch->ptr2_reg)); |
| 470 | printk("%s: cnt1_reg: 0x%08x\n", |
| 471 | core->name,cx_read(ch->cnt1_reg)); |
| 472 | printk("%s: cnt2_reg: 0x%08x\n", |
| 473 | core->name,cx_read(ch->cnt2_reg)); |
| 474 | } |
| 475 | |
Adrian Bunk | 408b664 | 2005-05-01 08:59:29 -0700 | [diff] [blame] | 476 | static char *cx88_pci_irqs[32] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | "vid", "aud", "ts", "vip", "hst", "5", "6", "tm1", |
| 478 | "src_dma", "dst_dma", "risc_rd_err", "risc_wr_err", |
| 479 | "brdg_err", "src_dma_err", "dst_dma_err", "ipb_dma_err", |
| 480 | "i2c", "i2c_rack", "ir_smp", "gpio0", "gpio1" |
| 481 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | |
| 483 | void cx88_print_irqbits(char *name, char *tag, char **strings, |
| 484 | u32 bits, u32 mask) |
| 485 | { |
| 486 | unsigned int i; |
| 487 | |
| 488 | printk(KERN_DEBUG "%s: %s [0x%x]", name, tag, bits); |
| 489 | for (i = 0; i < 32; i++) { |
| 490 | if (!(bits & (1 << i))) |
| 491 | continue; |
| 492 | if (strings[i]) |
| 493 | printk(" %s", strings[i]); |
| 494 | else |
| 495 | printk(" %d", i); |
| 496 | if (!(mask & (1 << i))) |
| 497 | continue; |
| 498 | printk("*"); |
| 499 | } |
| 500 | printk("\n"); |
| 501 | } |
| 502 | |
| 503 | /* ------------------------------------------------------------------ */ |
| 504 | |
| 505 | int cx88_core_irq(struct cx88_core *core, u32 status) |
| 506 | { |
| 507 | int handled = 0; |
| 508 | |
| 509 | if (status & (1<<18)) { |
| 510 | cx88_ir_irq(core); |
| 511 | handled++; |
| 512 | } |
| 513 | if (!handled) |
| 514 | cx88_print_irqbits(core->name, "irq pci", |
| 515 | cx88_pci_irqs, status, |
| 516 | core->pci_irqmask); |
| 517 | return handled; |
| 518 | } |
| 519 | |
| 520 | void cx88_wakeup(struct cx88_core *core, |
| 521 | struct cx88_dmaqueue *q, u32 count) |
| 522 | { |
| 523 | struct cx88_buffer *buf; |
| 524 | int bc; |
| 525 | |
| 526 | for (bc = 0;; bc++) { |
| 527 | if (list_empty(&q->active)) |
| 528 | break; |
| 529 | buf = list_entry(q->active.next, |
| 530 | struct cx88_buffer, vb.queue); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | /* count comes from the hw and is is 16bit wide -- |
| 532 | * this trick handles wrap-arounds correctly for |
| 533 | * up to 32767 buffers in flight... */ |
| 534 | if ((s16) (count - buf->count) < 0) |
| 535 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | do_gettimeofday(&buf->vb.ts); |
| 537 | dprintk(2,"[%p/%d] wakeup reg=%d buf=%d\n",buf,buf->vb.i, |
| 538 | count, buf->count); |
| 539 | buf->vb.state = STATE_DONE; |
| 540 | list_del(&buf->vb.queue); |
| 541 | wake_up(&buf->vb.done); |
| 542 | } |
| 543 | if (list_empty(&q->active)) { |
| 544 | del_timer(&q->timeout); |
| 545 | } else { |
| 546 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 547 | } |
| 548 | if (bc != 1) |
| 549 | printk("%s: %d buffers handled (should be 1)\n",__FUNCTION__,bc); |
| 550 | } |
| 551 | |
| 552 | void cx88_shutdown(struct cx88_core *core) |
| 553 | { |
| 554 | /* disable RISC controller + IRQs */ |
| 555 | cx_write(MO_DEV_CNTRL2, 0); |
| 556 | |
| 557 | /* stop dma transfers */ |
| 558 | cx_write(MO_VID_DMACNTRL, 0x0); |
| 559 | cx_write(MO_AUD_DMACNTRL, 0x0); |
| 560 | cx_write(MO_TS_DMACNTRL, 0x0); |
| 561 | cx_write(MO_VIP_DMACNTRL, 0x0); |
| 562 | cx_write(MO_GPHST_DMACNTRL, 0x0); |
| 563 | |
| 564 | /* stop interrupts */ |
| 565 | cx_write(MO_PCI_INTMSK, 0x0); |
| 566 | cx_write(MO_VID_INTMSK, 0x0); |
| 567 | cx_write(MO_AUD_INTMSK, 0x0); |
| 568 | cx_write(MO_TS_INTMSK, 0x0); |
| 569 | cx_write(MO_VIP_INTMSK, 0x0); |
| 570 | cx_write(MO_GPHST_INTMSK, 0x0); |
| 571 | |
| 572 | /* stop capturing */ |
| 573 | cx_write(VID_CAPTURE_CONTROL, 0); |
| 574 | } |
| 575 | |
| 576 | int cx88_reset(struct cx88_core *core) |
| 577 | { |
| 578 | dprintk(1,"%s\n",__FUNCTION__); |
| 579 | cx88_shutdown(core); |
| 580 | |
| 581 | /* clear irq status */ |
| 582 | cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int |
| 583 | cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int |
| 584 | cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int |
| 585 | |
| 586 | /* wait a bit */ |
| 587 | msleep(100); |
| 588 | |
| 589 | /* init sram */ |
| 590 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 720*4, 0); |
| 591 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH22], 128, 0); |
| 592 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH23], 128, 0); |
| 593 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH24], 128, 0); |
| 594 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], 128, 0); |
| 595 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], 128, 0); |
| 596 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], 188*4, 0); |
| 597 | |
| 598 | /* misc init ... */ |
| 599 | cx_write(MO_INPUT_FORMAT, ((1 << 13) | // agc enable |
| 600 | (1 << 12) | // agc gain |
| 601 | (1 << 11) | // adaptibe agc |
| 602 | (0 << 10) | // chroma agc |
| 603 | (0 << 9) | // ckillen |
| 604 | (7))); |
| 605 | |
| 606 | /* setup image format */ |
| 607 | cx_andor(MO_COLOR_CTRL, 0x4000, 0x4000); |
| 608 | |
| 609 | /* setup FIFO Threshholds */ |
| 610 | cx_write(MO_PDMA_STHRSH, 0x0807); |
| 611 | cx_write(MO_PDMA_DTHRSH, 0x0807); |
| 612 | |
| 613 | /* fixes flashing of image */ |
| 614 | cx_write(MO_AGC_SYNC_TIP1, 0x0380000F); |
| 615 | cx_write(MO_AGC_BACK_VBI, 0x00E00555); |
| 616 | |
| 617 | cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int |
| 618 | cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int |
| 619 | cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int |
| 620 | |
| 621 | /* Reset on-board parts */ |
| 622 | cx_write(MO_SRST_IO, 0); |
| 623 | msleep(10); |
| 624 | cx_write(MO_SRST_IO, 1); |
| 625 | |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | /* ------------------------------------------------------------------ */ |
| 630 | |
| 631 | static unsigned int inline norm_swidth(struct cx88_tvnorm *norm) |
| 632 | { |
| 633 | return (norm->id & V4L2_STD_625_50) ? 922 : 754; |
| 634 | } |
| 635 | |
| 636 | static unsigned int inline norm_hdelay(struct cx88_tvnorm *norm) |
| 637 | { |
| 638 | return (norm->id & V4L2_STD_625_50) ? 186 : 135; |
| 639 | } |
| 640 | |
| 641 | static unsigned int inline norm_vdelay(struct cx88_tvnorm *norm) |
| 642 | { |
| 643 | return (norm->id & V4L2_STD_625_50) ? 0x24 : 0x18; |
| 644 | } |
| 645 | |
| 646 | static unsigned int inline norm_fsc8(struct cx88_tvnorm *norm) |
| 647 | { |
| 648 | static const unsigned int ntsc = 28636360; |
| 649 | static const unsigned int pal = 35468950; |
Mauro Carvalho Chehab | 59dcd94 | 2005-06-23 22:04:50 -0700 | [diff] [blame] | 650 | static const unsigned int palm = 28604892; |
| 651 | |
| 652 | if (norm->id & V4L2_STD_PAL_M) |
| 653 | return palm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | |
| 655 | return (norm->id & V4L2_STD_625_50) ? pal : ntsc; |
| 656 | } |
| 657 | |
| 658 | static unsigned int inline norm_notchfilter(struct cx88_tvnorm *norm) |
| 659 | { |
| 660 | return (norm->id & V4L2_STD_625_50) |
| 661 | ? HLNotchFilter135PAL |
| 662 | : HLNotchFilter135NTSC; |
| 663 | } |
| 664 | |
| 665 | static unsigned int inline norm_htotal(struct cx88_tvnorm *norm) |
| 666 | { |
Mauro Carvalho Chehab | 59dcd94 | 2005-06-23 22:04:50 -0700 | [diff] [blame] | 667 | /* Should always be Line Draw Time / (4*FSC) */ |
| 668 | |
| 669 | if (norm->id & V4L2_STD_PAL_M) |
| 670 | return 909; |
| 671 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | return (norm->id & V4L2_STD_625_50) ? 1135 : 910; |
| 673 | } |
| 674 | |
| 675 | static unsigned int inline norm_vbipack(struct cx88_tvnorm *norm) |
| 676 | { |
| 677 | return (norm->id & V4L2_STD_625_50) ? 511 : 288; |
| 678 | } |
| 679 | |
| 680 | int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int height, |
| 681 | enum v4l2_field field) |
| 682 | { |
| 683 | unsigned int swidth = norm_swidth(core->tvnorm); |
| 684 | unsigned int sheight = norm_maxh(core->tvnorm); |
| 685 | u32 value; |
| 686 | |
| 687 | dprintk(1,"set_scale: %dx%d [%s%s,%s]\n", width, height, |
| 688 | V4L2_FIELD_HAS_TOP(field) ? "T" : "", |
| 689 | V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "", |
| 690 | core->tvnorm->name); |
| 691 | if (!V4L2_FIELD_HAS_BOTH(field)) |
| 692 | height *= 2; |
| 693 | |
| 694 | // recalc H delay and scale registers |
| 695 | value = (width * norm_hdelay(core->tvnorm)) / swidth; |
| 696 | value &= 0x3fe; |
| 697 | cx_write(MO_HDELAY_EVEN, value); |
| 698 | cx_write(MO_HDELAY_ODD, value); |
| 699 | dprintk(1,"set_scale: hdelay 0x%04x\n", value); |
| 700 | |
| 701 | value = (swidth * 4096 / width) - 4096; |
| 702 | cx_write(MO_HSCALE_EVEN, value); |
| 703 | cx_write(MO_HSCALE_ODD, value); |
| 704 | dprintk(1,"set_scale: hscale 0x%04x\n", value); |
| 705 | |
| 706 | cx_write(MO_HACTIVE_EVEN, width); |
| 707 | cx_write(MO_HACTIVE_ODD, width); |
| 708 | dprintk(1,"set_scale: hactive 0x%04x\n", width); |
| 709 | |
| 710 | // recalc V scale Register (delay is constant) |
| 711 | cx_write(MO_VDELAY_EVEN, norm_vdelay(core->tvnorm)); |
| 712 | cx_write(MO_VDELAY_ODD, norm_vdelay(core->tvnorm)); |
| 713 | dprintk(1,"set_scale: vdelay 0x%04x\n", norm_vdelay(core->tvnorm)); |
| 714 | |
| 715 | value = (0x10000 - (sheight * 512 / height - 512)) & 0x1fff; |
| 716 | cx_write(MO_VSCALE_EVEN, value); |
| 717 | cx_write(MO_VSCALE_ODD, value); |
| 718 | dprintk(1,"set_scale: vscale 0x%04x\n", value); |
| 719 | |
| 720 | cx_write(MO_VACTIVE_EVEN, sheight); |
| 721 | cx_write(MO_VACTIVE_ODD, sheight); |
| 722 | dprintk(1,"set_scale: vactive 0x%04x\n", sheight); |
| 723 | |
| 724 | // setup filters |
| 725 | value = 0; |
| 726 | value |= (1 << 19); // CFILT (default) |
| 727 | if (core->tvnorm->id & V4L2_STD_SECAM) { |
| 728 | value |= (1 << 15); |
| 729 | value |= (1 << 16); |
| 730 | } |
| 731 | if (INPUT(core->input)->type == CX88_VMUX_SVIDEO) |
| 732 | value |= (1 << 13) | (1 << 5); |
| 733 | if (V4L2_FIELD_INTERLACED == field) |
| 734 | value |= (1 << 3); // VINT (interlaced vertical scaling) |
| 735 | if (width < 385) |
| 736 | value |= (1 << 0); // 3-tap interpolation |
| 737 | if (width < 193) |
| 738 | value |= (1 << 1); // 5-tap interpolation |
| 739 | if (nocomb) |
| 740 | value |= (3 << 5); // disable comb filter |
| 741 | |
| 742 | cx_write(MO_FILTER_EVEN, value); |
| 743 | cx_write(MO_FILTER_ODD, value); |
| 744 | dprintk(1,"set_scale: filter 0x%04x\n", value); |
| 745 | |
| 746 | return 0; |
| 747 | } |
| 748 | |
| 749 | static const u32 xtal = 28636363; |
| 750 | |
| 751 | static int set_pll(struct cx88_core *core, int prescale, u32 ofreq) |
| 752 | { |
| 753 | static u32 pre[] = { 0, 0, 0, 3, 2, 1 }; |
| 754 | u64 pll; |
| 755 | u32 reg; |
| 756 | int i; |
| 757 | |
| 758 | if (prescale < 2) |
| 759 | prescale = 2; |
| 760 | if (prescale > 5) |
| 761 | prescale = 5; |
| 762 | |
| 763 | pll = ofreq * 8 * prescale * (u64)(1 << 20); |
| 764 | do_div(pll,xtal); |
| 765 | reg = (pll & 0x3ffffff) | (pre[prescale] << 26); |
| 766 | if (((reg >> 20) & 0x3f) < 14) { |
| 767 | printk("%s/0: pll out of range\n",core->name); |
| 768 | return -1; |
| 769 | } |
| 770 | |
| 771 | dprintk(1,"set_pll: MO_PLL_REG 0x%08x [old=0x%08x,freq=%d]\n", |
| 772 | reg, cx_read(MO_PLL_REG), ofreq); |
| 773 | cx_write(MO_PLL_REG, reg); |
| 774 | for (i = 0; i < 100; i++) { |
| 775 | reg = cx_read(MO_DEVICE_STATUS); |
| 776 | if (reg & (1<<2)) { |
| 777 | dprintk(1,"pll locked [pre=%d,ofreq=%d]\n", |
| 778 | prescale,ofreq); |
| 779 | return 0; |
| 780 | } |
| 781 | dprintk(1,"pll not locked yet, waiting ...\n"); |
| 782 | msleep(10); |
| 783 | } |
| 784 | dprintk(1,"pll NOT locked [pre=%d,ofreq=%d]\n",prescale,ofreq); |
| 785 | return -1; |
| 786 | } |
| 787 | |
Mauro Carvalho Chehab | 6f502b8 | 2005-12-01 00:51:34 -0800 | [diff] [blame] | 788 | int cx88_start_audio_dma(struct cx88_core *core) |
| 789 | { |
| 790 | /* setup fifo + format */ |
| 791 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], 128, 0); |
| 792 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], 128, 0); |
| 793 | |
| 794 | cx_write(MO_AUDD_LNGTH, 128); /* fifo bpl size */ |
| 795 | cx_write(MO_AUDR_LNGTH, 128); /* fifo bpl size */ |
| 796 | |
| 797 | /* start dma */ |
| 798 | cx_write(MO_AUD_DMACNTRL, 0x0003); /* Up and Down fifo enable */ |
Mauro Carvalho Chehab | 6f502b8 | 2005-12-01 00:51:34 -0800 | [diff] [blame] | 799 | return 0; |
| 800 | } |
| 801 | |
| 802 | int cx88_stop_audio_dma(struct cx88_core *core) |
| 803 | { |
| 804 | /* stop dma */ |
| 805 | cx_write(MO_AUD_DMACNTRL, 0x0000); |
| 806 | |
| 807 | return 0; |
| 808 | } |
| 809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | static int set_tvaudio(struct cx88_core *core) |
| 811 | { |
| 812 | struct cx88_tvnorm *norm = core->tvnorm; |
| 813 | |
| 814 | if (CX88_VMUX_TELEVISION != INPUT(core->input)->type) |
| 815 | return 0; |
| 816 | |
| 817 | if (V4L2_STD_PAL_BG & norm->id) { |
Torsten Seeboth | b1706b9 | 2005-11-08 21:36:27 -0800 | [diff] [blame] | 818 | core->tvaudio = WW_BG; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | |
| 820 | } else if (V4L2_STD_PAL_DK & norm->id) { |
Torsten Seeboth | b1706b9 | 2005-11-08 21:36:27 -0800 | [diff] [blame] | 821 | core->tvaudio = WW_DK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 822 | |
| 823 | } else if (V4L2_STD_PAL_I & norm->id) { |
Torsten Seeboth | b1706b9 | 2005-11-08 21:36:27 -0800 | [diff] [blame] | 824 | core->tvaudio = WW_I; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | |
| 826 | } else if (V4L2_STD_SECAM_L & norm->id) { |
Torsten Seeboth | b1706b9 | 2005-11-08 21:36:27 -0800 | [diff] [blame] | 827 | core->tvaudio = WW_L; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | |
| 829 | } else if (V4L2_STD_SECAM_DK & norm->id) { |
Torsten Seeboth | b1706b9 | 2005-11-08 21:36:27 -0800 | [diff] [blame] | 830 | core->tvaudio = WW_DK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | |
| 832 | } else if ((V4L2_STD_NTSC_M & norm->id) || |
| 833 | (V4L2_STD_PAL_M & norm->id)) { |
| 834 | core->tvaudio = WW_BTSC; |
| 835 | |
| 836 | } else if (V4L2_STD_NTSC_M_JP & norm->id) { |
| 837 | core->tvaudio = WW_EIAJ; |
| 838 | |
| 839 | } else { |
| 840 | printk("%s/0: tvaudio support needs work for this tv norm [%s], sorry\n", |
| 841 | core->name, norm->name); |
| 842 | core->tvaudio = 0; |
| 843 | return 0; |
| 844 | } |
| 845 | |
| 846 | cx_andor(MO_AFECFG_IO, 0x1f, 0x0); |
| 847 | cx88_set_tvaudio(core); |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 848 | /* cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO); */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | |
Mauro Carvalho Chehab | 6f502b8 | 2005-12-01 00:51:34 -0800 | [diff] [blame] | 850 | /* |
| 851 | This should be needed only on cx88-alsa. It seems that some cx88 chips have |
| 852 | bugs and does require DMA enabled for it to work. |
| 853 | */ |
| 854 | cx88_start_audio_dma(core); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | return 0; |
| 856 | } |
| 857 | |
Mauro Carvalho Chehab | 6f502b8 | 2005-12-01 00:51:34 -0800 | [diff] [blame] | 858 | |
| 859 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 860 | int cx88_set_tvnorm(struct cx88_core *core, struct cx88_tvnorm *norm) |
| 861 | { |
| 862 | u32 fsc8; |
| 863 | u32 adc_clock; |
| 864 | u32 vdec_clock; |
| 865 | u32 step_db,step_dr; |
| 866 | u64 tmp64; |
| 867 | u32 bdelay,agcdelay,htotal; |
| 868 | |
| 869 | core->tvnorm = norm; |
| 870 | fsc8 = norm_fsc8(norm); |
| 871 | adc_clock = xtal; |
| 872 | vdec_clock = fsc8; |
| 873 | step_db = fsc8; |
| 874 | step_dr = fsc8; |
| 875 | |
| 876 | if (norm->id & V4L2_STD_SECAM) { |
| 877 | step_db = 4250000 * 8; |
| 878 | step_dr = 4406250 * 8; |
| 879 | } |
| 880 | |
| 881 | dprintk(1,"set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d db/dr=%d/%d\n", |
| 882 | norm->name, fsc8, adc_clock, vdec_clock, step_db, step_dr); |
| 883 | set_pll(core,2,vdec_clock); |
| 884 | |
| 885 | dprintk(1,"set_tvnorm: MO_INPUT_FORMAT 0x%08x [old=0x%08x]\n", |
| 886 | norm->cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f); |
| 887 | cx_andor(MO_INPUT_FORMAT, 0xf, norm->cxiformat); |
| 888 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | // FIXME: as-is from DScaler |
| 890 | dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n", |
| 891 | norm->cxoformat, cx_read(MO_OUTPUT_FORMAT)); |
| 892 | cx_write(MO_OUTPUT_FORMAT, norm->cxoformat); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | |
| 894 | // MO_SCONV_REG = adc clock / video dec clock * 2^17 |
| 895 | tmp64 = adc_clock * (u64)(1 << 17); |
| 896 | do_div(tmp64, vdec_clock); |
| 897 | dprintk(1,"set_tvnorm: MO_SCONV_REG 0x%08x [old=0x%08x]\n", |
| 898 | (u32)tmp64, cx_read(MO_SCONV_REG)); |
| 899 | cx_write(MO_SCONV_REG, (u32)tmp64); |
| 900 | |
| 901 | // MO_SUB_STEP = 8 * fsc / video dec clock * 2^22 |
| 902 | tmp64 = step_db * (u64)(1 << 22); |
| 903 | do_div(tmp64, vdec_clock); |
| 904 | dprintk(1,"set_tvnorm: MO_SUB_STEP 0x%08x [old=0x%08x]\n", |
| 905 | (u32)tmp64, cx_read(MO_SUB_STEP)); |
| 906 | cx_write(MO_SUB_STEP, (u32)tmp64); |
| 907 | |
| 908 | // MO_SUB_STEP_DR = 8 * 4406250 / video dec clock * 2^22 |
| 909 | tmp64 = step_dr * (u64)(1 << 22); |
| 910 | do_div(tmp64, vdec_clock); |
| 911 | dprintk(1,"set_tvnorm: MO_SUB_STEP_DR 0x%08x [old=0x%08x]\n", |
| 912 | (u32)tmp64, cx_read(MO_SUB_STEP_DR)); |
| 913 | cx_write(MO_SUB_STEP_DR, (u32)tmp64); |
| 914 | |
| 915 | // bdelay + agcdelay |
| 916 | bdelay = vdec_clock * 65 / 20000000 + 21; |
| 917 | agcdelay = vdec_clock * 68 / 20000000 + 15; |
| 918 | dprintk(1,"set_tvnorm: MO_AGC_BURST 0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n", |
| 919 | (bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST), bdelay, agcdelay); |
| 920 | cx_write(MO_AGC_BURST, (bdelay << 8) | agcdelay); |
| 921 | |
| 922 | // htotal |
| 923 | tmp64 = norm_htotal(norm) * (u64)vdec_clock; |
| 924 | do_div(tmp64, fsc8); |
| 925 | htotal = (u32)tmp64 | (norm_notchfilter(norm) << 11); |
| 926 | dprintk(1,"set_tvnorm: MO_HTOTAL 0x%08x [old=0x%08x,htotal=%d]\n", |
| 927 | htotal, cx_read(MO_HTOTAL), (u32)tmp64); |
| 928 | cx_write(MO_HTOTAL, htotal); |
| 929 | |
| 930 | // vbi stuff |
| 931 | cx_write(MO_VBI_PACKET, ((1 << 11) | /* (norm_vdelay(norm) << 11) | */ |
| 932 | norm_vbipack(norm))); |
| 933 | |
| 934 | // this is needed as well to set all tvnorm parameter |
| 935 | cx88_set_scale(core, 320, 240, V4L2_FIELD_INTERLACED); |
| 936 | |
| 937 | // audio |
| 938 | set_tvaudio(core); |
| 939 | |
| 940 | // tell i2c chips |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | cx88_call_i2c_clients(core,VIDIOC_S_STD,&norm->id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 942 | |
| 943 | // done |
| 944 | return 0; |
| 945 | } |
| 946 | |
| 947 | /* ------------------------------------------------------------------ */ |
| 948 | |
| 949 | static int cx88_pci_quirks(char *name, struct pci_dev *pci) |
| 950 | { |
| 951 | unsigned int lat = UNSET; |
| 952 | u8 ctrl = 0; |
| 953 | u8 value; |
| 954 | |
| 955 | /* check pci quirks */ |
| 956 | if (pci_pci_problems & PCIPCI_TRITON) { |
| 957 | printk(KERN_INFO "%s: quirk: PCIPCI_TRITON -- set TBFX\n", |
| 958 | name); |
| 959 | ctrl |= CX88X_EN_TBFX; |
| 960 | } |
| 961 | if (pci_pci_problems & PCIPCI_NATOMA) { |
| 962 | printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA -- set TBFX\n", |
| 963 | name); |
| 964 | ctrl |= CX88X_EN_TBFX; |
| 965 | } |
| 966 | if (pci_pci_problems & PCIPCI_VIAETBF) { |
| 967 | printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF -- set TBFX\n", |
| 968 | name); |
| 969 | ctrl |= CX88X_EN_TBFX; |
| 970 | } |
| 971 | if (pci_pci_problems & PCIPCI_VSFX) { |
| 972 | printk(KERN_INFO "%s: quirk: PCIPCI_VSFX -- set VSFX\n", |
| 973 | name); |
| 974 | ctrl |= CX88X_EN_VSFX; |
| 975 | } |
| 976 | #ifdef PCIPCI_ALIMAGIK |
| 977 | if (pci_pci_problems & PCIPCI_ALIMAGIK) { |
| 978 | printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", |
| 979 | name); |
| 980 | lat = 0x0A; |
| 981 | } |
| 982 | #endif |
| 983 | |
| 984 | /* check insmod options */ |
| 985 | if (UNSET != latency) |
| 986 | lat = latency; |
| 987 | |
| 988 | /* apply stuff */ |
| 989 | if (ctrl) { |
| 990 | pci_read_config_byte(pci, CX88X_DEVCTRL, &value); |
| 991 | value |= ctrl; |
| 992 | pci_write_config_byte(pci, CX88X_DEVCTRL, value); |
| 993 | } |
| 994 | if (UNSET != lat) { |
| 995 | printk(KERN_INFO "%s: setting pci latency timer to %d\n", |
| 996 | name, latency); |
| 997 | pci_write_config_byte(pci, PCI_LATENCY_TIMER, latency); |
| 998 | } |
| 999 | return 0; |
| 1000 | } |
| 1001 | |
| 1002 | /* ------------------------------------------------------------------ */ |
| 1003 | |
| 1004 | struct video_device *cx88_vdev_init(struct cx88_core *core, |
| 1005 | struct pci_dev *pci, |
| 1006 | struct video_device *template, |
| 1007 | char *type) |
| 1008 | { |
| 1009 | struct video_device *vfd; |
| 1010 | |
| 1011 | vfd = video_device_alloc(); |
| 1012 | if (NULL == vfd) |
| 1013 | return NULL; |
| 1014 | *vfd = *template; |
| 1015 | vfd->minor = -1; |
| 1016 | vfd->dev = &pci->dev; |
| 1017 | vfd->release = video_device_release; |
| 1018 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", |
| 1019 | core->name, type, cx88_boards[core->board].name); |
| 1020 | return vfd; |
| 1021 | } |
| 1022 | |
| 1023 | static int get_ressources(struct cx88_core *core, struct pci_dev *pci) |
| 1024 | { |
| 1025 | if (request_mem_region(pci_resource_start(pci,0), |
| 1026 | pci_resource_len(pci,0), |
| 1027 | core->name)) |
| 1028 | return 0; |
| 1029 | printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n", |
| 1030 | core->name,pci_resource_start(pci,0)); |
| 1031 | return -EBUSY; |
| 1032 | } |
| 1033 | |
| 1034 | struct cx88_core* cx88_core_get(struct pci_dev *pci) |
| 1035 | { |
| 1036 | struct cx88_core *core; |
| 1037 | struct list_head *item; |
| 1038 | int i; |
| 1039 | |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 1040 | mutex_lock(&devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | list_for_each(item,&cx88_devlist) { |
| 1042 | core = list_entry(item, struct cx88_core, devlist); |
| 1043 | if (pci->bus->number != core->pci_bus) |
| 1044 | continue; |
| 1045 | if (PCI_SLOT(pci->devfn) != core->pci_slot) |
| 1046 | continue; |
| 1047 | |
| 1048 | if (0 != get_ressources(core,pci)) |
| 1049 | goto fail_unlock; |
| 1050 | atomic_inc(&core->refcount); |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 1051 | mutex_unlock(&devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | return core; |
| 1053 | } |
Panagiotis Issaris | 7408187 | 2006-01-11 19:40:56 -0200 | [diff] [blame] | 1054 | core = kzalloc(sizeof(*core),GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | if (NULL == core) |
| 1056 | goto fail_unlock; |
| 1057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | atomic_inc(&core->refcount); |
| 1059 | core->pci_bus = pci->bus->number; |
| 1060 | core->pci_slot = PCI_SLOT(pci->devfn); |
| 1061 | core->pci_irqmask = 0x00fc00; |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 1062 | init_MUTEX(&core->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | |
| 1064 | core->nr = cx88_devcount++; |
| 1065 | sprintf(core->name,"cx88[%d]",core->nr); |
| 1066 | if (0 != get_ressources(core,pci)) { |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 1067 | printk(KERN_ERR "CORE %s No more PCI ressources for " |
| 1068 | "subsystem: %04x:%04x, board: %s\n", |
| 1069 | core->name,pci->subsystem_vendor, |
| 1070 | pci->subsystem_device, |
| 1071 | cx88_boards[core->board].name); |
| 1072 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1073 | cx88_devcount--; |
| 1074 | goto fail_free; |
| 1075 | } |
| 1076 | list_add_tail(&core->devlist,&cx88_devlist); |
| 1077 | |
| 1078 | /* PCI stuff */ |
| 1079 | cx88_pci_quirks(core->name, pci); |
| 1080 | core->lmmio = ioremap(pci_resource_start(pci,0), |
| 1081 | pci_resource_len(pci,0)); |
| 1082 | core->bmmio = (u8 __iomem *)core->lmmio; |
| 1083 | |
| 1084 | /* board config */ |
| 1085 | core->board = UNSET; |
| 1086 | if (card[core->nr] < cx88_bcount) |
| 1087 | core->board = card[core->nr]; |
| 1088 | for (i = 0; UNSET == core->board && i < cx88_idcount; i++) |
| 1089 | if (pci->subsystem_vendor == cx88_subids[i].subvendor && |
| 1090 | pci->subsystem_device == cx88_subids[i].subdevice) |
| 1091 | core->board = cx88_subids[i].card; |
| 1092 | if (UNSET == core->board) { |
| 1093 | core->board = CX88_BOARD_UNKNOWN; |
| 1094 | cx88_card_list(core,pci); |
| 1095 | } |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 1096 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", |
| 1097 | core->name,pci->subsystem_vendor, |
| 1098 | pci->subsystem_device,cx88_boards[core->board].name, |
| 1099 | core->board, card[core->nr] == core->board ? |
| 1100 | "insmod option" : "autodetected"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | |
| 1102 | core->tuner_type = tuner[core->nr]; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 1103 | core->radio_type = radio[core->nr]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | if (UNSET == core->tuner_type) |
| 1105 | core->tuner_type = cx88_boards[core->board].tuner_type; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 1106 | if (UNSET == core->radio_type) |
| 1107 | core->radio_type = cx88_boards[core->board].radio_type; |
| 1108 | if (!core->tuner_addr) |
| 1109 | core->tuner_addr = cx88_boards[core->board].tuner_addr; |
| 1110 | if (!core->radio_addr) |
| 1111 | core->radio_addr = cx88_boards[core->board].radio_addr; |
| 1112 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1113 | printk(KERN_INFO "TV tuner %d at 0x%02x, Radio tuner %d at 0x%02x\n", |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 1114 | core->tuner_type, core->tuner_addr<<1, |
| 1115 | core->radio_type, core->radio_addr<<1); |
| 1116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1117 | core->tda9887_conf = cx88_boards[core->board].tda9887_conf; |
| 1118 | |
| 1119 | /* init hardware */ |
| 1120 | cx88_reset(core); |
| 1121 | cx88_i2c_init(core,pci); |
Michael Krufky | 87f0783 | 2005-11-08 21:36:19 -0800 | [diff] [blame] | 1122 | cx88_call_i2c_clients (core, TUNER_SET_STANDBY, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1123 | cx88_card_setup(core); |
| 1124 | cx88_ir_init(core,pci); |
| 1125 | |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 1126 | mutex_unlock(&devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | return core; |
| 1128 | |
| 1129 | fail_free: |
| 1130 | kfree(core); |
| 1131 | fail_unlock: |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 1132 | mutex_unlock(&devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | return NULL; |
| 1134 | } |
| 1135 | |
| 1136 | void cx88_core_put(struct cx88_core *core, struct pci_dev *pci) |
| 1137 | { |
| 1138 | release_mem_region(pci_resource_start(pci,0), |
| 1139 | pci_resource_len(pci,0)); |
| 1140 | |
| 1141 | if (!atomic_dec_and_test(&core->refcount)) |
| 1142 | return; |
| 1143 | |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 1144 | mutex_lock(&devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1145 | cx88_ir_fini(core); |
| 1146 | if (0 == core->i2c_rc) |
| 1147 | i2c_bit_del_bus(&core->i2c_adap); |
| 1148 | list_del(&core->devlist); |
| 1149 | iounmap(core->lmmio); |
| 1150 | cx88_devcount--; |
Ingo Molnar | 1e4baed | 2006-01-15 07:52:23 -0200 | [diff] [blame^] | 1151 | mutex_unlock(&devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | kfree(core); |
| 1153 | } |
| 1154 | |
| 1155 | /* ------------------------------------------------------------------ */ |
| 1156 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1157 | EXPORT_SYMBOL(cx88_print_irqbits); |
| 1158 | |
| 1159 | EXPORT_SYMBOL(cx88_core_irq); |
| 1160 | EXPORT_SYMBOL(cx88_wakeup); |
| 1161 | EXPORT_SYMBOL(cx88_reset); |
| 1162 | EXPORT_SYMBOL(cx88_shutdown); |
| 1163 | |
| 1164 | EXPORT_SYMBOL(cx88_risc_buffer); |
| 1165 | EXPORT_SYMBOL(cx88_risc_databuffer); |
| 1166 | EXPORT_SYMBOL(cx88_risc_stopper); |
| 1167 | EXPORT_SYMBOL(cx88_free_buffer); |
| 1168 | |
| 1169 | EXPORT_SYMBOL(cx88_sram_channels); |
| 1170 | EXPORT_SYMBOL(cx88_sram_channel_setup); |
| 1171 | EXPORT_SYMBOL(cx88_sram_channel_dump); |
| 1172 | |
| 1173 | EXPORT_SYMBOL(cx88_set_tvnorm); |
| 1174 | EXPORT_SYMBOL(cx88_set_scale); |
| 1175 | |
| 1176 | EXPORT_SYMBOL(cx88_vdev_init); |
| 1177 | EXPORT_SYMBOL(cx88_core_get); |
| 1178 | EXPORT_SYMBOL(cx88_core_put); |
Mauro Carvalho Chehab | 6f502b8 | 2005-12-01 00:51:34 -0800 | [diff] [blame] | 1179 | EXPORT_SYMBOL(cx88_start_audio_dma); |
| 1180 | EXPORT_SYMBOL(cx88_stop_audio_dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1181 | |
| 1182 | /* |
| 1183 | * Local variables: |
| 1184 | * c-basic-offset: 8 |
| 1185 | * End: |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 1186 | * 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | */ |