Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | |
| 3 | AudioScience HPI driver |
| 4 | Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of version 2 of the GNU General Public License as |
| 8 | published by the Free Software Foundation; |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | |
| 19 | Hardware Programming Interface (HPI) for AudioScience ASI6200 series adapters. |
| 20 | These PCI bus adapters are based on the TI C6711 DSP. |
| 21 | |
| 22 | Exported functions: |
| 23 | void HPI_6000(struct hpi_message *phm, struct hpi_response *phr) |
| 24 | |
| 25 | #defines |
| 26 | HIDE_PCI_ASSERTS to show the PCI asserts |
| 27 | PROFILE_DSP2 get profile data from DSP2 if present (instead of DSP 1) |
| 28 | |
| 29 | (C) Copyright AudioScience Inc. 1998-2003 |
| 30 | *******************************************************************************/ |
| 31 | #define SOURCEFILE_NAME "hpi6000.c" |
| 32 | |
| 33 | #include "hpi_internal.h" |
| 34 | #include "hpimsginit.h" |
| 35 | #include "hpidebug.h" |
| 36 | #include "hpi6000.h" |
| 37 | #include "hpidspcd.h" |
| 38 | #include "hpicmn.h" |
| 39 | |
| 40 | #define HPI_HIF_BASE (0x00000200) /* start of C67xx internal RAM */ |
| 41 | #define HPI_HIF_ADDR(member) \ |
| 42 | (HPI_HIF_BASE + offsetof(struct hpi_hif_6000, member)) |
| 43 | #define HPI_HIF_ERROR_MASK 0x4000 |
| 44 | |
| 45 | /* HPI6000 specific error codes */ |
Eliot Blennerhassett | 1528fbb | 2011-02-10 17:26:02 +1300 | [diff] [blame] | 46 | #define HPI6000_ERROR_BASE 900 /* not actually used anywhere */ |
| 47 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 48 | /* operational/messaging errors */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 49 | #define HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT 901 |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 50 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 51 | #define HPI6000_ERROR_MSG_RESP_GET_RESP_ACK 903 |
| 52 | #define HPI6000_ERROR_MSG_GET_ADR 904 |
| 53 | #define HPI6000_ERROR_RESP_GET_ADR 905 |
| 54 | #define HPI6000_ERROR_MSG_RESP_BLOCKWRITE32 906 |
| 55 | #define HPI6000_ERROR_MSG_RESP_BLOCKREAD32 907 |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 56 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 57 | #define HPI6000_ERROR_CONTROL_CACHE_PARAMS 909 |
| 58 | |
| 59 | #define HPI6000_ERROR_SEND_DATA_IDLE_TIMEOUT 911 |
| 60 | #define HPI6000_ERROR_SEND_DATA_ACK 912 |
| 61 | #define HPI6000_ERROR_SEND_DATA_ADR 913 |
| 62 | #define HPI6000_ERROR_SEND_DATA_TIMEOUT 914 |
| 63 | #define HPI6000_ERROR_SEND_DATA_CMD 915 |
| 64 | #define HPI6000_ERROR_SEND_DATA_WRITE 916 |
| 65 | #define HPI6000_ERROR_SEND_DATA_IDLECMD 917 |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 66 | |
| 67 | #define HPI6000_ERROR_GET_DATA_IDLE_TIMEOUT 921 |
| 68 | #define HPI6000_ERROR_GET_DATA_ACK 922 |
| 69 | #define HPI6000_ERROR_GET_DATA_CMD 923 |
| 70 | #define HPI6000_ERROR_GET_DATA_READ 924 |
| 71 | #define HPI6000_ERROR_GET_DATA_IDLECMD 925 |
| 72 | |
| 73 | #define HPI6000_ERROR_CONTROL_CACHE_ADDRLEN 951 |
| 74 | #define HPI6000_ERROR_CONTROL_CACHE_READ 952 |
| 75 | #define HPI6000_ERROR_CONTROL_CACHE_FLUSH 953 |
| 76 | |
| 77 | #define HPI6000_ERROR_MSG_RESP_GETRESPCMD 961 |
| 78 | #define HPI6000_ERROR_MSG_RESP_IDLECMD 962 |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 79 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 80 | /* Initialisation/bootload errors */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 81 | #define HPI6000_ERROR_UNHANDLED_SUBSYS_ID 930 |
| 82 | |
| 83 | /* can't access PCI2040 */ |
| 84 | #define HPI6000_ERROR_INIT_PCI2040 931 |
| 85 | /* can't access DSP HPI i/f */ |
| 86 | #define HPI6000_ERROR_INIT_DSPHPI 932 |
| 87 | /* can't access internal DSP memory */ |
| 88 | #define HPI6000_ERROR_INIT_DSPINTMEM 933 |
| 89 | /* can't access SDRAM - test#1 */ |
| 90 | #define HPI6000_ERROR_INIT_SDRAM1 934 |
| 91 | /* can't access SDRAM - test#2 */ |
| 92 | #define HPI6000_ERROR_INIT_SDRAM2 935 |
| 93 | |
| 94 | #define HPI6000_ERROR_INIT_VERIFY 938 |
| 95 | |
| 96 | #define HPI6000_ERROR_INIT_NOACK 939 |
| 97 | |
| 98 | #define HPI6000_ERROR_INIT_PLDTEST1 941 |
| 99 | #define HPI6000_ERROR_INIT_PLDTEST2 942 |
| 100 | |
| 101 | /* local defines */ |
| 102 | |
| 103 | #define HIDE_PCI_ASSERTS |
| 104 | #define PROFILE_DSP2 |
| 105 | |
| 106 | /* for PCI2040 i/f chip */ |
| 107 | /* HPI CSR registers */ |
| 108 | /* word offsets from CSR base */ |
| 109 | /* use when io addresses defined as u32 * */ |
| 110 | |
| 111 | #define INTERRUPT_EVENT_SET 0 |
| 112 | #define INTERRUPT_EVENT_CLEAR 1 |
| 113 | #define INTERRUPT_MASK_SET 2 |
| 114 | #define INTERRUPT_MASK_CLEAR 3 |
| 115 | #define HPI_ERROR_REPORT 4 |
| 116 | #define HPI_RESET 5 |
| 117 | #define HPI_DATA_WIDTH 6 |
| 118 | |
| 119 | #define MAX_DSPS 2 |
| 120 | /* HPI registers, spaced 8K bytes = 2K words apart */ |
| 121 | #define DSP_SPACING 0x800 |
| 122 | |
| 123 | #define CONTROL 0x0000 |
| 124 | #define ADDRESS 0x0200 |
| 125 | #define DATA_AUTOINC 0x0400 |
| 126 | #define DATA 0x0600 |
| 127 | |
| 128 | #define TIMEOUT 500000 |
| 129 | |
| 130 | struct dsp_obj { |
| 131 | __iomem u32 *prHPI_control; |
| 132 | __iomem u32 *prHPI_address; |
| 133 | __iomem u32 *prHPI_data; |
| 134 | __iomem u32 *prHPI_data_auto_inc; |
| 135 | char c_dsp_rev; /*A, B */ |
| 136 | u32 control_cache_address_on_dsp; |
| 137 | u32 control_cache_length_on_dsp; |
| 138 | struct hpi_adapter_obj *pa_parent_adapter; |
| 139 | }; |
| 140 | |
| 141 | struct hpi_hw_obj { |
| 142 | __iomem u32 *dw2040_HPICSR; |
| 143 | __iomem u32 *dw2040_HPIDSP; |
| 144 | |
| 145 | u16 num_dsp; |
| 146 | struct dsp_obj ado[MAX_DSPS]; |
| 147 | |
| 148 | u32 message_buffer_address_on_dsp; |
| 149 | u32 response_buffer_address_on_dsp; |
| 150 | u32 pCI2040HPI_error_count; |
| 151 | |
| 152 | struct hpi_control_cache_single control_cache[HPI_NMIXER_CONTROLS]; |
| 153 | struct hpi_control_cache *p_cache; |
| 154 | }; |
| 155 | |
| 156 | static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao, |
| 157 | u16 dsp_index, u32 hpi_address, u32 *source, u32 count); |
| 158 | static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao, |
| 159 | u16 dsp_index, u32 hpi_address, u32 *dest, u32 count); |
| 160 | |
| 161 | static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao, |
| 162 | u32 *pos_error_code); |
| 163 | static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao, |
| 164 | u16 read_or_write); |
| 165 | #define H6READ 1 |
| 166 | #define H6WRITE 0 |
| 167 | |
| 168 | static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao, |
| 169 | struct hpi_message *phm); |
| 170 | static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao, |
| 171 | u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr); |
| 172 | |
| 173 | static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, |
| 174 | struct hpi_response *phr); |
| 175 | |
| 176 | static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index, |
| 177 | u32 ack_value); |
| 178 | |
| 179 | static short hpi6000_send_host_command(struct hpi_adapter_obj *pao, |
| 180 | u16 dsp_index, u32 host_cmd); |
| 181 | |
| 182 | static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo); |
| 183 | |
| 184 | static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index, |
| 185 | struct hpi_message *phm, struct hpi_response *phr); |
| 186 | |
| 187 | static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index, |
| 188 | struct hpi_message *phm, struct hpi_response *phr); |
| 189 | |
| 190 | static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data); |
| 191 | |
| 192 | static u32 hpi_read_word(struct dsp_obj *pdo, u32 address); |
| 193 | |
| 194 | static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata, |
| 195 | u32 length); |
| 196 | |
| 197 | static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata, |
| 198 | u32 length); |
| 199 | |
| 200 | static void subsys_create_adapter(struct hpi_message *phm, |
| 201 | struct hpi_response *phr); |
| 202 | |
Eliot Blennerhassett | 6d0b898 | 2011-04-05 20:55:47 +1200 | [diff] [blame] | 203 | static void adapter_delete(struct hpi_adapter_obj *pao, |
| 204 | struct hpi_message *phm, struct hpi_response *phr); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 205 | |
| 206 | static void adapter_get_asserts(struct hpi_adapter_obj *pao, |
| 207 | struct hpi_message *phm, struct hpi_response *phr); |
| 208 | |
| 209 | static short create_adapter_obj(struct hpi_adapter_obj *pao, |
| 210 | u32 *pos_error_code); |
| 211 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 212 | static void delete_adapter_obj(struct hpi_adapter_obj *pao); |
| 213 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 214 | /* local globals */ |
| 215 | |
| 216 | static u16 gw_pci_read_asserts; /* used to count PCI2040 errors */ |
| 217 | static u16 gw_pci_write_asserts; /* used to count PCI2040 errors */ |
| 218 | |
| 219 | static void subsys_message(struct hpi_message *phm, struct hpi_response *phr) |
| 220 | { |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 221 | switch (phm->function) { |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 222 | case HPI_SUBSYS_CREATE_ADAPTER: |
| 223 | subsys_create_adapter(phm, phr); |
| 224 | break; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 225 | default: |
| 226 | phr->error = HPI_ERROR_INVALID_FUNC; |
| 227 | break; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | static void control_message(struct hpi_adapter_obj *pao, |
| 232 | struct hpi_message *phm, struct hpi_response *phr) |
| 233 | { |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 234 | switch (phm->function) { |
| 235 | case HPI_CONTROL_GET_STATE: |
| 236 | if (pao->has_control_cache) { |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 237 | u16 err; |
| 238 | err = hpi6000_update_control_cache(pao, phm); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 239 | |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 240 | if (err) { |
| 241 | if (err >= HPI_ERROR_BACKEND_BASE) { |
| 242 | phr->error = |
| 243 | HPI_ERROR_CONTROL_CACHING; |
| 244 | phr->specific_error = err; |
| 245 | } else { |
| 246 | phr->error = err; |
| 247 | } |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 248 | break; |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 249 | } |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 250 | |
| 251 | if (hpi_check_control_cache(((struct hpi_hw_obj *) |
| 252 | pao->priv)->p_cache, phm, |
| 253 | phr)) |
| 254 | break; |
| 255 | } |
| 256 | hw_message(pao, phm, phr); |
| 257 | break; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 258 | case HPI_CONTROL_SET_STATE: |
| 259 | hw_message(pao, phm, phr); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 260 | hpi_cmn_control_cache_sync_to_msg(((struct hpi_hw_obj *)pao-> |
| 261 | priv)->p_cache, phm, phr); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 262 | break; |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 263 | |
| 264 | case HPI_CONTROL_GET_INFO: |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 265 | default: |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 266 | hw_message(pao, phm, phr); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 267 | break; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | static void adapter_message(struct hpi_adapter_obj *pao, |
| 272 | struct hpi_message *phm, struct hpi_response *phr) |
| 273 | { |
| 274 | switch (phm->function) { |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 275 | case HPI_ADAPTER_GET_ASSERT: |
| 276 | adapter_get_asserts(pao, phm, phr); |
| 277 | break; |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 278 | |
Eliot Blennerhassett | 6d0b898 | 2011-04-05 20:55:47 +1200 | [diff] [blame] | 279 | case HPI_ADAPTER_DELETE: |
| 280 | adapter_delete(pao, phm, phr); |
| 281 | break; |
| 282 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 283 | default: |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 284 | hw_message(pao, phm, phr); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 285 | break; |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | static void outstream_message(struct hpi_adapter_obj *pao, |
| 290 | struct hpi_message *phm, struct hpi_response *phr) |
| 291 | { |
| 292 | switch (phm->function) { |
| 293 | case HPI_OSTREAM_HOSTBUFFER_ALLOC: |
| 294 | case HPI_OSTREAM_HOSTBUFFER_FREE: |
| 295 | /* Don't let these messages go to the HW function because |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 296 | * they're called without locking the spinlock. |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 297 | * For the HPI6000 adapters the HW would return |
| 298 | * HPI_ERROR_INVALID_FUNC anyway. |
| 299 | */ |
| 300 | phr->error = HPI_ERROR_INVALID_FUNC; |
| 301 | break; |
| 302 | default: |
| 303 | hw_message(pao, phm, phr); |
| 304 | return; |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | static void instream_message(struct hpi_adapter_obj *pao, |
| 309 | struct hpi_message *phm, struct hpi_response *phr) |
| 310 | { |
| 311 | |
| 312 | switch (phm->function) { |
| 313 | case HPI_ISTREAM_HOSTBUFFER_ALLOC: |
| 314 | case HPI_ISTREAM_HOSTBUFFER_FREE: |
| 315 | /* Don't let these messages go to the HW function because |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 316 | * they're called without locking the spinlock. |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 317 | * For the HPI6000 adapters the HW would return |
| 318 | * HPI_ERROR_INVALID_FUNC anyway. |
| 319 | */ |
| 320 | phr->error = HPI_ERROR_INVALID_FUNC; |
| 321 | break; |
| 322 | default: |
| 323 | hw_message(pao, phm, phr); |
| 324 | return; |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | /************************************************************************/ |
| 329 | /** HPI_6000() |
| 330 | * Entry point from HPIMAN |
| 331 | * All calls to the HPI start here |
| 332 | */ |
| 333 | void HPI_6000(struct hpi_message *phm, struct hpi_response *phr) |
| 334 | { |
| 335 | struct hpi_adapter_obj *pao = NULL; |
| 336 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 337 | if (phm->object != HPI_OBJ_SUBSYSTEM) { |
| 338 | pao = hpi_find_adapter(phm->adapter_index); |
| 339 | if (!pao) { |
Eliot Blennerhassett | 6d0b898 | 2011-04-05 20:55:47 +1200 | [diff] [blame] | 340 | hpi_init_response(phr, phm->object, phm->function, |
| 341 | HPI_ERROR_BAD_ADAPTER_NUMBER); |
| 342 | HPI_DEBUG_LOG(DEBUG, "invalid adapter index: %d \n", |
| 343 | phm->adapter_index); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 344 | return; |
| 345 | } |
| 346 | |
Eliot Blennerhassett | 6d0b898 | 2011-04-05 20:55:47 +1200 | [diff] [blame] | 347 | /* Don't even try to communicate with crashed DSP */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 348 | if (pao->dsp_crashed >= 10) { |
| 349 | hpi_init_response(phr, phm->object, phm->function, |
| 350 | HPI_ERROR_DSP_HARDWARE); |
Eliot Blennerhassett | 6d0b898 | 2011-04-05 20:55:47 +1200 | [diff] [blame] | 351 | HPI_DEBUG_LOG(DEBUG, "adapter %d dsp crashed\n", |
| 352 | phm->adapter_index); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 353 | return; |
| 354 | } |
| 355 | } |
| 356 | /* Init default response including the size field */ |
| 357 | if (phm->function != HPI_SUBSYS_CREATE_ADAPTER) |
| 358 | hpi_init_response(phr, phm->object, phm->function, |
| 359 | HPI_ERROR_PROCESSING_MESSAGE); |
| 360 | |
| 361 | switch (phm->type) { |
Eliot Blennerhassett | 82b5774 | 2011-07-22 15:52:36 +1200 | [diff] [blame] | 362 | case HPI_TYPE_REQUEST: |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 363 | switch (phm->object) { |
| 364 | case HPI_OBJ_SUBSYSTEM: |
| 365 | subsys_message(phm, phr); |
| 366 | break; |
| 367 | |
| 368 | case HPI_OBJ_ADAPTER: |
| 369 | phr->size = |
| 370 | sizeof(struct hpi_response_header) + |
| 371 | sizeof(struct hpi_adapter_res); |
| 372 | adapter_message(pao, phm, phr); |
| 373 | break; |
| 374 | |
| 375 | case HPI_OBJ_CONTROL: |
| 376 | control_message(pao, phm, phr); |
| 377 | break; |
| 378 | |
| 379 | case HPI_OBJ_OSTREAM: |
| 380 | outstream_message(pao, phm, phr); |
| 381 | break; |
| 382 | |
| 383 | case HPI_OBJ_ISTREAM: |
| 384 | instream_message(pao, phm, phr); |
| 385 | break; |
| 386 | |
| 387 | default: |
| 388 | hw_message(pao, phm, phr); |
| 389 | break; |
| 390 | } |
| 391 | break; |
| 392 | |
| 393 | default: |
| 394 | phr->error = HPI_ERROR_INVALID_TYPE; |
| 395 | break; |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /************************************************************************/ |
| 400 | /* SUBSYSTEM */ |
| 401 | |
| 402 | /* create an adapter object and initialise it based on resource information |
| 403 | * passed in in the message |
| 404 | * NOTE - you cannot use this function AND the FindAdapters function at the |
| 405 | * same time, the application must use only one of them to get the adapters |
| 406 | */ |
| 407 | static void subsys_create_adapter(struct hpi_message *phm, |
| 408 | struct hpi_response *phr) |
| 409 | { |
| 410 | /* create temp adapter obj, because we don't know what index yet */ |
| 411 | struct hpi_adapter_obj ao; |
| 412 | struct hpi_adapter_obj *pao; |
| 413 | u32 os_error_code; |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 414 | u16 err = 0; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 415 | u32 dsp_index = 0; |
| 416 | |
| 417 | HPI_DEBUG_LOG(VERBOSE, "subsys_create_adapter\n"); |
| 418 | |
| 419 | memset(&ao, 0, sizeof(ao)); |
| 420 | |
Julia Lawall | 550a8b6 | 2010-05-13 21:58:37 +0200 | [diff] [blame] | 421 | ao.priv = kzalloc(sizeof(struct hpi_hw_obj), GFP_KERNEL); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 422 | if (!ao.priv) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 423 | HPI_DEBUG_LOG(ERROR, "can't get mem for adapter object\n"); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 424 | phr->error = HPI_ERROR_MEMORY_ALLOC; |
| 425 | return; |
| 426 | } |
| 427 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 428 | /* create the adapter object based on the resource information */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 429 | ao.pci = *phm->u.s.resource.r.pci; |
| 430 | |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 431 | err = create_adapter_obj(&ao, &os_error_code); |
| 432 | if (err) { |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 433 | delete_adapter_obj(&ao); |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 434 | if (err >= HPI_ERROR_BACKEND_BASE) { |
| 435 | phr->error = HPI_ERROR_DSP_BOOTLOAD; |
| 436 | phr->specific_error = err; |
| 437 | } else { |
| 438 | phr->error = err; |
| 439 | } |
| 440 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 441 | phr->u.s.data = os_error_code; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 442 | return; |
| 443 | } |
| 444 | /* need to update paParentAdapter */ |
| 445 | pao = hpi_find_adapter(ao.index); |
| 446 | if (!pao) { |
| 447 | /* We just added this adapter, why can't we find it!? */ |
| 448 | HPI_DEBUG_LOG(ERROR, "lost adapter after boot\n"); |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 449 | phr->error = HPI_ERROR_BAD_ADAPTER; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 450 | return; |
| 451 | } |
| 452 | |
| 453 | for (dsp_index = 0; dsp_index < MAX_DSPS; dsp_index++) { |
| 454 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 455 | phw->ado[dsp_index].pa_parent_adapter = pao; |
| 456 | } |
| 457 | |
Eliot Blennerhassett | 2f918a6 | 2011-02-10 17:26:09 +1300 | [diff] [blame] | 458 | phr->u.s.adapter_type = ao.adapter_type; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 459 | phr->u.s.adapter_index = ao.index; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 460 | phr->error = 0; |
| 461 | } |
| 462 | |
Eliot Blennerhassett | 6d0b898 | 2011-04-05 20:55:47 +1200 | [diff] [blame] | 463 | static void adapter_delete(struct hpi_adapter_obj *pao, |
| 464 | struct hpi_message *phm, struct hpi_response *phr) |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 465 | { |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 466 | delete_adapter_obj(pao); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 467 | hpi_delete_adapter(pao); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 468 | phr->error = 0; |
| 469 | } |
| 470 | |
| 471 | /* this routine is called from SubSysFindAdapter and SubSysCreateAdapter */ |
| 472 | static short create_adapter_obj(struct hpi_adapter_obj *pao, |
| 473 | u32 *pos_error_code) |
| 474 | { |
| 475 | short boot_error = 0; |
| 476 | u32 dsp_index = 0; |
| 477 | u32 control_cache_size = 0; |
| 478 | u32 control_cache_count = 0; |
| 479 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 480 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 481 | /* The PCI2040 has the following address map */ |
| 482 | /* BAR0 - 4K = HPI control and status registers on PCI2040 (HPI CSR) */ |
| 483 | /* BAR1 - 32K = HPI registers on DSP */ |
| 484 | phw->dw2040_HPICSR = pao->pci.ap_mem_base[0]; |
| 485 | phw->dw2040_HPIDSP = pao->pci.ap_mem_base[1]; |
| 486 | HPI_DEBUG_LOG(VERBOSE, "csr %p, dsp %p\n", phw->dw2040_HPICSR, |
| 487 | phw->dw2040_HPIDSP); |
| 488 | |
| 489 | /* set addresses for the possible DSP HPI interfaces */ |
| 490 | for (dsp_index = 0; dsp_index < MAX_DSPS; dsp_index++) { |
| 491 | phw->ado[dsp_index].prHPI_control = |
| 492 | phw->dw2040_HPIDSP + (CONTROL + |
| 493 | DSP_SPACING * dsp_index); |
| 494 | |
| 495 | phw->ado[dsp_index].prHPI_address = |
| 496 | phw->dw2040_HPIDSP + (ADDRESS + |
| 497 | DSP_SPACING * dsp_index); |
| 498 | phw->ado[dsp_index].prHPI_data = |
| 499 | phw->dw2040_HPIDSP + (DATA + DSP_SPACING * dsp_index); |
| 500 | |
| 501 | phw->ado[dsp_index].prHPI_data_auto_inc = |
| 502 | phw->dw2040_HPIDSP + (DATA_AUTOINC + |
| 503 | DSP_SPACING * dsp_index); |
| 504 | |
| 505 | HPI_DEBUG_LOG(VERBOSE, "ctl %p, adr %p, dat %p, dat++ %p\n", |
| 506 | phw->ado[dsp_index].prHPI_control, |
| 507 | phw->ado[dsp_index].prHPI_address, |
| 508 | phw->ado[dsp_index].prHPI_data, |
| 509 | phw->ado[dsp_index].prHPI_data_auto_inc); |
| 510 | |
| 511 | phw->ado[dsp_index].pa_parent_adapter = pao; |
| 512 | } |
| 513 | |
| 514 | phw->pCI2040HPI_error_count = 0; |
| 515 | pao->has_control_cache = 0; |
| 516 | |
| 517 | /* Set the default number of DSPs on this card */ |
| 518 | /* This is (conditionally) adjusted after bootloading */ |
| 519 | /* of the first DSP in the bootload section. */ |
| 520 | phw->num_dsp = 1; |
| 521 | |
| 522 | boot_error = hpi6000_adapter_boot_load_dsp(pao, pos_error_code); |
| 523 | if (boot_error) |
| 524 | return boot_error; |
| 525 | |
| 526 | HPI_DEBUG_LOG(INFO, "bootload DSP OK\n"); |
| 527 | |
| 528 | phw->message_buffer_address_on_dsp = 0L; |
| 529 | phw->response_buffer_address_on_dsp = 0L; |
| 530 | |
| 531 | /* get info about the adapter by asking the adapter */ |
| 532 | /* send a HPI_ADAPTER_GET_INFO message */ |
| 533 | { |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 534 | struct hpi_message hm; |
| 535 | struct hpi_response hr0; /* response from DSP 0 */ |
| 536 | struct hpi_response hr1; /* response from DSP 1 */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 537 | u16 error = 0; |
| 538 | |
| 539 | HPI_DEBUG_LOG(VERBOSE, "send ADAPTER_GET_INFO\n"); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 540 | memset(&hm, 0, sizeof(hm)); |
Eliot Blennerhassett | 82b5774 | 2011-07-22 15:52:36 +1200 | [diff] [blame] | 541 | hm.type = HPI_TYPE_REQUEST; |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 542 | hm.size = sizeof(struct hpi_message); |
| 543 | hm.object = HPI_OBJ_ADAPTER; |
| 544 | hm.function = HPI_ADAPTER_GET_INFO; |
| 545 | hm.adapter_index = 0; |
| 546 | memset(&hr0, 0, sizeof(hr0)); |
| 547 | memset(&hr1, 0, sizeof(hr1)); |
| 548 | hr0.size = sizeof(hr0); |
| 549 | hr1.size = sizeof(hr1); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 550 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 551 | error = hpi6000_message_response_sequence(pao, 0, &hm, &hr0); |
| 552 | if (hr0.error) { |
| 553 | HPI_DEBUG_LOG(DEBUG, "message error %d\n", hr0.error); |
| 554 | return hr0.error; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 555 | } |
| 556 | if (phw->num_dsp == 2) { |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 557 | error = hpi6000_message_response_sequence(pao, 1, &hm, |
| 558 | &hr1); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 559 | if (error) |
| 560 | return error; |
| 561 | } |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 562 | pao->adapter_type = hr0.u.ax.info.adapter_type; |
| 563 | pao->index = hr0.u.ax.info.adapter_index; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | memset(&phw->control_cache[0], 0, |
| 567 | sizeof(struct hpi_control_cache_single) * |
| 568 | HPI_NMIXER_CONTROLS); |
| 569 | /* Read the control cache length to figure out if it is turned on */ |
| 570 | control_cache_size = |
| 571 | hpi_read_word(&phw->ado[0], |
| 572 | HPI_HIF_ADDR(control_cache_size_in_bytes)); |
| 573 | if (control_cache_size) { |
| 574 | control_cache_count = |
| 575 | hpi_read_word(&phw->ado[0], |
| 576 | HPI_HIF_ADDR(control_cache_count)); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 577 | |
| 578 | phw->p_cache = |
| 579 | hpi_alloc_control_cache(control_cache_count, |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 580 | control_cache_size, (unsigned char *) |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 581 | &phw->control_cache[0] |
| 582 | ); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 583 | if (phw->p_cache) |
| 584 | pao->has_control_cache = 1; |
| 585 | } |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 586 | |
| 587 | HPI_DEBUG_LOG(DEBUG, "get adapter info ASI%04X index %d\n", |
| 588 | pao->adapter_type, pao->index); |
| 589 | pao->open = 0; /* upon creation the adapter is closed */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 590 | |
Eliot Blennerhassett | ffdb578 | 2011-02-10 17:26:00 +1300 | [diff] [blame] | 591 | if (phw->p_cache) |
| 592 | phw->p_cache->adap_idx = pao->index; |
| 593 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 594 | return hpi_add_adapter(pao); |
| 595 | } |
| 596 | |
| 597 | static void delete_adapter_obj(struct hpi_adapter_obj *pao) |
| 598 | { |
| 599 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 600 | |
| 601 | if (pao->has_control_cache) |
| 602 | hpi_free_control_cache(phw->p_cache); |
| 603 | |
| 604 | /* reset DSPs on adapter */ |
| 605 | iowrite32(0x0003000F, phw->dw2040_HPICSR + HPI_RESET); |
| 606 | |
| 607 | kfree(phw); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | /************************************************************************/ |
| 611 | /* ADAPTER */ |
| 612 | |
| 613 | static void adapter_get_asserts(struct hpi_adapter_obj *pao, |
| 614 | struct hpi_message *phm, struct hpi_response *phr) |
| 615 | { |
| 616 | #ifndef HIDE_PCI_ASSERTS |
| 617 | /* if we have PCI2040 asserts then collect them */ |
| 618 | if ((gw_pci_read_asserts > 0) || (gw_pci_write_asserts > 0)) { |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 619 | phr->u.ax.assert.p1 = |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 620 | gw_pci_read_asserts * 100 + gw_pci_write_asserts; |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 621 | phr->u.ax.assert.p2 = 0; |
| 622 | phr->u.ax.assert.count = 1; /* assert count */ |
| 623 | phr->u.ax.assert.dsp_index = -1; /* "dsp index" */ |
| 624 | strcpy(phr->u.ax.assert.sz_message, "PCI2040 error"); |
| 625 | phr->u.ax.assert.dsp_msg_addr = 0; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 626 | gw_pci_read_asserts = 0; |
| 627 | gw_pci_write_asserts = 0; |
| 628 | phr->error = 0; |
| 629 | } else |
| 630 | #endif |
| 631 | hw_message(pao, phm, phr); /*get DSP asserts */ |
| 632 | |
| 633 | return; |
| 634 | } |
| 635 | |
| 636 | /************************************************************************/ |
| 637 | /* LOW-LEVEL */ |
| 638 | |
| 639 | static short hpi6000_adapter_boot_load_dsp(struct hpi_adapter_obj *pao, |
| 640 | u32 *pos_error_code) |
| 641 | { |
| 642 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 643 | short error; |
| 644 | u32 timeout; |
| 645 | u32 read = 0; |
| 646 | u32 i = 0; |
| 647 | u32 data = 0; |
| 648 | u32 j = 0; |
| 649 | u32 test_addr = 0x80000000; |
| 650 | u32 test_data = 0x00000001; |
| 651 | u32 dw2040_reset = 0; |
| 652 | u32 dsp_index = 0; |
| 653 | u32 endian = 0; |
| 654 | u32 adapter_info = 0; |
| 655 | u32 delay = 0; |
| 656 | |
| 657 | struct dsp_code dsp_code; |
| 658 | u16 boot_load_family = 0; |
| 659 | |
| 660 | /* NOTE don't use wAdapterType in this routine. It is not setup yet */ |
| 661 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 662 | switch (pao->pci.pci_dev->subsystem_device) { |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 663 | case 0x5100: |
| 664 | case 0x5110: /* ASI5100 revB or higher with C6711D */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 665 | case 0x5200: /* ASI5200 PCIe version of ASI5100 */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 666 | case 0x6100: |
| 667 | case 0x6200: |
| 668 | boot_load_family = HPI_ADAPTER_FAMILY_ASI(0x6200); |
| 669 | break; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 670 | default: |
| 671 | return HPI6000_ERROR_UNHANDLED_SUBSYS_ID; |
| 672 | } |
| 673 | |
| 674 | /* reset all DSPs, indicate two DSPs are present |
| 675 | * set RST3-=1 to disconnect HAD8 to set DSP in little endian mode |
| 676 | */ |
| 677 | endian = 0; |
| 678 | dw2040_reset = 0x0003000F; |
| 679 | iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET); |
| 680 | |
| 681 | /* read back register to make sure PCI2040 chip is functioning |
| 682 | * note that bits 4..15 are read-only and so should always return zero, |
| 683 | * even though we wrote 1 to them |
| 684 | */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 685 | hpios_delay_micro_seconds(1000); |
| 686 | delay = ioread32(phw->dw2040_HPICSR + HPI_RESET); |
| 687 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 688 | if (delay != dw2040_reset) { |
| 689 | HPI_DEBUG_LOG(ERROR, "INIT_PCI2040 %x %x\n", dw2040_reset, |
| 690 | delay); |
| 691 | return HPI6000_ERROR_INIT_PCI2040; |
| 692 | } |
| 693 | |
| 694 | /* Indicate that DSP#0,1 is a C6X */ |
| 695 | iowrite32(0x00000003, phw->dw2040_HPICSR + HPI_DATA_WIDTH); |
| 696 | /* set Bit30 and 29 - which will prevent Target aborts from being |
| 697 | * issued upon HPI or GP error |
| 698 | */ |
| 699 | iowrite32(0x60000000, phw->dw2040_HPICSR + INTERRUPT_MASK_SET); |
| 700 | |
| 701 | /* isolate DSP HAD8 line from PCI2040 so that |
| 702 | * Little endian can be set by pullup |
| 703 | */ |
| 704 | dw2040_reset = dw2040_reset & (~(endian << 3)); |
| 705 | iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET); |
| 706 | |
| 707 | phw->ado[0].c_dsp_rev = 'B'; /* revB */ |
| 708 | phw->ado[1].c_dsp_rev = 'B'; /* revB */ |
| 709 | |
| 710 | /*Take both DSPs out of reset, setting HAD8 to the correct Endian */ |
| 711 | dw2040_reset = dw2040_reset & (~0x00000001); /* start DSP 0 */ |
| 712 | iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET); |
| 713 | dw2040_reset = dw2040_reset & (~0x00000002); /* start DSP 1 */ |
| 714 | iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET); |
| 715 | |
| 716 | /* set HAD8 back to PCI2040, now that DSP set to little endian mode */ |
| 717 | dw2040_reset = dw2040_reset & (~0x00000008); |
| 718 | iowrite32(dw2040_reset, phw->dw2040_HPICSR + HPI_RESET); |
| 719 | /*delay to allow DSP to get going */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 720 | hpios_delay_micro_seconds(100); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 721 | |
| 722 | /* loop through all DSPs, downloading DSP code */ |
| 723 | for (dsp_index = 0; dsp_index < phw->num_dsp; dsp_index++) { |
| 724 | struct dsp_obj *pdo = &phw->ado[dsp_index]; |
| 725 | |
| 726 | /* configure DSP so that we download code into the SRAM */ |
| 727 | /* set control reg for little endian, HWOB=1 */ |
| 728 | iowrite32(0x00010001, pdo->prHPI_control); |
| 729 | |
| 730 | /* test access to the HPI address register (HPIA) */ |
| 731 | test_data = 0x00000001; |
| 732 | for (j = 0; j < 32; j++) { |
| 733 | iowrite32(test_data, pdo->prHPI_address); |
| 734 | data = ioread32(pdo->prHPI_address); |
| 735 | if (data != test_data) { |
| 736 | HPI_DEBUG_LOG(ERROR, "INIT_DSPHPI %x %x %x\n", |
| 737 | test_data, data, dsp_index); |
| 738 | return HPI6000_ERROR_INIT_DSPHPI; |
| 739 | } |
| 740 | test_data = test_data << 1; |
| 741 | } |
| 742 | |
| 743 | /* if C6713 the setup PLL to generate 225MHz from 25MHz. |
| 744 | * Since the PLLDIV1 read is sometimes wrong, even on a C6713, |
| 745 | * we're going to do this unconditionally |
| 746 | */ |
| 747 | /* PLLDIV1 should have a value of 8000 after reset */ |
| 748 | /* |
| 749 | if (HpiReadWord(pdo,0x01B7C118) == 0x8000) |
| 750 | */ |
| 751 | { |
| 752 | /* C6713 datasheet says we cannot program PLL from HPI, |
| 753 | * and indeed if we try to set the PLL multiply from the |
| 754 | * HPI, the PLL does not seem to lock, |
| 755 | * so we enable the PLL and use the default of x 7 |
| 756 | */ |
| 757 | /* bypass PLL */ |
| 758 | hpi_write_word(pdo, 0x01B7C100, 0x0000); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 759 | hpios_delay_micro_seconds(100); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 760 | |
| 761 | /* ** use default of PLL x7 ** */ |
| 762 | /* EMIF = 225/3=75MHz */ |
| 763 | hpi_write_word(pdo, 0x01B7C120, 0x8002); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 764 | hpios_delay_micro_seconds(100); |
| 765 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 766 | /* peri = 225/2 */ |
| 767 | hpi_write_word(pdo, 0x01B7C11C, 0x8001); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 768 | hpios_delay_micro_seconds(100); |
| 769 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 770 | /* cpu = 225/1 */ |
| 771 | hpi_write_word(pdo, 0x01B7C118, 0x8000); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 772 | |
| 773 | /* ~2ms delay */ |
| 774 | hpios_delay_micro_seconds(2000); |
| 775 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 776 | /* PLL not bypassed */ |
| 777 | hpi_write_word(pdo, 0x01B7C100, 0x0001); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 778 | /* ~2ms delay */ |
| 779 | hpios_delay_micro_seconds(2000); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | /* test r/w to internal DSP memory |
| 783 | * C6711 has L2 cache mapped to 0x0 when reset |
| 784 | * |
| 785 | * revB - because of bug 3.0.1 last HPI read |
| 786 | * (before HPI address issued) must be non-autoinc |
| 787 | */ |
| 788 | /* test each bit in the 32bit word */ |
| 789 | for (i = 0; i < 100; i++) { |
| 790 | test_addr = 0x00000000; |
| 791 | test_data = 0x00000001; |
| 792 | for (j = 0; j < 32; j++) { |
| 793 | hpi_write_word(pdo, test_addr + i, test_data); |
| 794 | data = hpi_read_word(pdo, test_addr + i); |
| 795 | if (data != test_data) { |
| 796 | HPI_DEBUG_LOG(ERROR, |
| 797 | "DSP mem %x %x %x %x\n", |
| 798 | test_addr + i, test_data, |
| 799 | data, dsp_index); |
| 800 | |
| 801 | return HPI6000_ERROR_INIT_DSPINTMEM; |
| 802 | } |
| 803 | test_data = test_data << 1; |
| 804 | } |
| 805 | } |
| 806 | |
| 807 | /* memory map of ASI6200 |
| 808 | 00000000-0000FFFF 16Kx32 internal program |
| 809 | 01800000-019FFFFF Internal peripheral |
| 810 | 80000000-807FFFFF CE0 2Mx32 SDRAM running @ 100MHz |
| 811 | 90000000-9000FFFF CE1 Async peripherals: |
| 812 | |
| 813 | EMIF config |
| 814 | ------------ |
| 815 | Global EMIF control |
| 816 | 0 - |
| 817 | 1 - |
| 818 | 2 - |
| 819 | 3 CLK2EN = 1 CLKOUT2 enabled |
| 820 | 4 CLK1EN = 0 CLKOUT1 disabled |
| 821 | 5 EKEN = 1 <--!! C6713 specific, enables ECLKOUT |
| 822 | 6 - |
| 823 | 7 NOHOLD = 1 external HOLD disabled |
| 824 | 8 HOLDA = 0 HOLDA output is low |
| 825 | 9 HOLD = 0 HOLD input is low |
| 826 | 10 ARDY = 1 ARDY input is high |
| 827 | 11 BUSREQ = 0 BUSREQ output is low |
| 828 | 12,13 Reserved = 1 |
| 829 | */ |
| 830 | hpi_write_word(pdo, 0x01800000, 0x34A8); |
| 831 | |
| 832 | /* EMIF CE0 setup - 2Mx32 Sync DRAM |
| 833 | 31..28 Wr setup |
| 834 | 27..22 Wr strobe |
| 835 | 21..20 Wr hold |
| 836 | 19..16 Rd setup |
| 837 | 15..14 - |
| 838 | 13..8 Rd strobe |
| 839 | 7..4 MTYPE 0011 Sync DRAM 32bits |
| 840 | 3 Wr hold MSB |
| 841 | 2..0 Rd hold |
| 842 | */ |
| 843 | hpi_write_word(pdo, 0x01800008, 0x00000030); |
| 844 | |
| 845 | /* EMIF SDRAM Extension |
| 846 | 31-21 0 |
| 847 | 20 WR2RD = 0 |
| 848 | 19-18 WR2DEAC = 1 |
| 849 | 17 WR2WR = 0 |
| 850 | 16-15 R2WDQM = 2 |
| 851 | 14-12 RD2WR = 4 |
| 852 | 11-10 RD2DEAC = 1 |
| 853 | 9 RD2RD = 1 |
| 854 | 8-7 THZP = 10b |
| 855 | 6-5 TWR = 2-1 = 01b (tWR = 10ns) |
| 856 | 4 TRRD = 0b = 2 ECLK (tRRD = 14ns) |
| 857 | 3-1 TRAS = 5-1 = 100b (Tras=42ns = 5 ECLK) |
| 858 | 1 CAS latency = 3 ECLK |
| 859 | (for Micron 2M32-7 operating at 100Mhz) |
| 860 | */ |
| 861 | |
| 862 | /* need to use this else DSP code crashes */ |
| 863 | hpi_write_word(pdo, 0x01800020, 0x001BDF29); |
| 864 | |
| 865 | /* EMIF SDRAM control - set up for a 2Mx32 SDRAM (512x32x4 bank) |
| 866 | 31 - - |
| 867 | 30 SDBSZ 1 4 bank |
| 868 | 29..28 SDRSZ 00 11 row address pins |
| 869 | 27..26 SDCSZ 01 8 column address pins |
| 870 | 25 RFEN 1 refersh enabled |
| 871 | 24 INIT 1 init SDRAM |
| 872 | 23..20 TRCD 0001 |
| 873 | 19..16 TRP 0001 |
| 874 | 15..12 TRC 0110 |
| 875 | 11..0 - - |
| 876 | */ |
| 877 | /* need to use this else DSP code crashes */ |
| 878 | hpi_write_word(pdo, 0x01800018, 0x47117000); |
| 879 | |
| 880 | /* EMIF SDRAM Refresh Timing */ |
| 881 | hpi_write_word(pdo, 0x0180001C, 0x00000410); |
| 882 | |
| 883 | /*MIF CE1 setup - Async peripherals |
| 884 | @100MHz bus speed, each cycle is 10ns, |
| 885 | 31..28 Wr setup = 1 |
| 886 | 27..22 Wr strobe = 3 30ns |
| 887 | 21..20 Wr hold = 1 |
| 888 | 19..16 Rd setup =1 |
| 889 | 15..14 Ta = 2 |
| 890 | 13..8 Rd strobe = 3 30ns |
| 891 | 7..4 MTYPE 0010 Async 32bits |
| 892 | 3 Wr hold MSB =0 |
| 893 | 2..0 Rd hold = 1 |
| 894 | */ |
| 895 | { |
| 896 | u32 cE1 = |
| 897 | (1L << 28) | (3L << 22) | (1L << 20) | (1L << |
| 898 | 16) | (2L << 14) | (3L << 8) | (2L << 4) | 1L; |
| 899 | hpi_write_word(pdo, 0x01800004, cE1); |
| 900 | } |
| 901 | |
| 902 | /* delay a little to allow SDRAM and DSP to "get going" */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 903 | hpios_delay_micro_seconds(1000); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 904 | |
| 905 | /* test access to SDRAM */ |
| 906 | { |
| 907 | test_addr = 0x80000000; |
| 908 | test_data = 0x00000001; |
| 909 | /* test each bit in the 32bit word */ |
| 910 | for (j = 0; j < 32; j++) { |
| 911 | hpi_write_word(pdo, test_addr, test_data); |
| 912 | data = hpi_read_word(pdo, test_addr); |
| 913 | if (data != test_data) { |
| 914 | HPI_DEBUG_LOG(ERROR, |
| 915 | "DSP dram %x %x %x %x\n", |
| 916 | test_addr, test_data, data, |
| 917 | dsp_index); |
| 918 | |
| 919 | return HPI6000_ERROR_INIT_SDRAM1; |
| 920 | } |
| 921 | test_data = test_data << 1; |
| 922 | } |
| 923 | /* test every Nth address in the DRAM */ |
| 924 | #define DRAM_SIZE_WORDS 0x200000 /*2_mx32 */ |
| 925 | #define DRAM_INC 1024 |
| 926 | test_addr = 0x80000000; |
| 927 | test_data = 0x0; |
| 928 | for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) { |
| 929 | hpi_write_word(pdo, test_addr + i, test_data); |
| 930 | test_data++; |
| 931 | } |
| 932 | test_addr = 0x80000000; |
| 933 | test_data = 0x0; |
| 934 | for (i = 0; i < DRAM_SIZE_WORDS; i = i + DRAM_INC) { |
| 935 | data = hpi_read_word(pdo, test_addr + i); |
| 936 | if (data != test_data) { |
| 937 | HPI_DEBUG_LOG(ERROR, |
| 938 | "DSP dram %x %x %x %x\n", |
| 939 | test_addr + i, test_data, |
| 940 | data, dsp_index); |
| 941 | return HPI6000_ERROR_INIT_SDRAM2; |
| 942 | } |
| 943 | test_data++; |
| 944 | } |
| 945 | |
| 946 | } |
| 947 | |
| 948 | /* write the DSP code down into the DSPs memory */ |
Eliot Blennerhassett | 95a4c6e | 2011-07-22 15:52:42 +1200 | [diff] [blame] | 949 | error = hpi_dsp_code_open(boot_load_family, pao->pci.pci_dev, |
| 950 | &dsp_code, pos_error_code); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 951 | |
| 952 | if (error) |
| 953 | return error; |
| 954 | |
| 955 | while (1) { |
| 956 | u32 length; |
| 957 | u32 address; |
| 958 | u32 type; |
| 959 | u32 *pcode; |
| 960 | |
| 961 | error = hpi_dsp_code_read_word(&dsp_code, &length); |
| 962 | if (error) |
| 963 | break; |
| 964 | if (length == 0xFFFFFFFF) |
| 965 | break; /* end of code */ |
| 966 | |
| 967 | error = hpi_dsp_code_read_word(&dsp_code, &address); |
| 968 | if (error) |
| 969 | break; |
| 970 | error = hpi_dsp_code_read_word(&dsp_code, &type); |
| 971 | if (error) |
| 972 | break; |
| 973 | error = hpi_dsp_code_read_block(length, &dsp_code, |
| 974 | &pcode); |
| 975 | if (error) |
| 976 | break; |
| 977 | error = hpi6000_dsp_block_write32(pao, (u16)dsp_index, |
| 978 | address, pcode, length); |
| 979 | if (error) |
| 980 | break; |
| 981 | } |
| 982 | |
| 983 | if (error) { |
| 984 | hpi_dsp_code_close(&dsp_code); |
| 985 | return error; |
| 986 | } |
| 987 | /* verify that code was written correctly */ |
| 988 | /* this time through, assume no errors in DSP code file/array */ |
| 989 | hpi_dsp_code_rewind(&dsp_code); |
| 990 | while (1) { |
| 991 | u32 length; |
| 992 | u32 address; |
| 993 | u32 type; |
| 994 | u32 *pcode; |
| 995 | |
| 996 | hpi_dsp_code_read_word(&dsp_code, &length); |
| 997 | if (length == 0xFFFFFFFF) |
| 998 | break; /* end of code */ |
| 999 | |
| 1000 | hpi_dsp_code_read_word(&dsp_code, &address); |
| 1001 | hpi_dsp_code_read_word(&dsp_code, &type); |
| 1002 | hpi_dsp_code_read_block(length, &dsp_code, &pcode); |
| 1003 | |
| 1004 | for (i = 0; i < length; i++) { |
| 1005 | data = hpi_read_word(pdo, address); |
| 1006 | if (data != *pcode) { |
| 1007 | error = HPI6000_ERROR_INIT_VERIFY; |
| 1008 | HPI_DEBUG_LOG(ERROR, |
| 1009 | "DSP verify %x %x %x %x\n", |
| 1010 | address, *pcode, data, |
| 1011 | dsp_index); |
| 1012 | break; |
| 1013 | } |
| 1014 | pcode++; |
| 1015 | address += 4; |
| 1016 | } |
| 1017 | if (error) |
| 1018 | break; |
| 1019 | } |
| 1020 | hpi_dsp_code_close(&dsp_code); |
| 1021 | if (error) |
| 1022 | return error; |
| 1023 | |
| 1024 | /* zero out the hostmailbox */ |
| 1025 | { |
| 1026 | u32 address = HPI_HIF_ADDR(host_cmd); |
| 1027 | for (i = 0; i < 4; i++) { |
| 1028 | hpi_write_word(pdo, address, 0); |
| 1029 | address += 4; |
| 1030 | } |
| 1031 | } |
| 1032 | /* write the DSP number into the hostmailbox */ |
| 1033 | /* structure before starting the DSP */ |
| 1034 | hpi_write_word(pdo, HPI_HIF_ADDR(dsp_number), dsp_index); |
| 1035 | |
| 1036 | /* write the DSP adapter Info into the */ |
| 1037 | /* hostmailbox before starting the DSP */ |
| 1038 | if (dsp_index > 0) |
| 1039 | hpi_write_word(pdo, HPI_HIF_ADDR(adapter_info), |
| 1040 | adapter_info); |
| 1041 | |
| 1042 | /* step 3. Start code by sending interrupt */ |
| 1043 | iowrite32(0x00030003, pdo->prHPI_control); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1044 | hpios_delay_micro_seconds(10000); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1045 | |
| 1046 | /* wait for a non-zero value in hostcmd - |
| 1047 | * indicating initialization is complete |
| 1048 | * |
| 1049 | * Init could take a while if DSP checks SDRAM memory |
| 1050 | * Was 200000. Increased to 2000000 for ASI8801 so we |
| 1051 | * don't get 938 errors. |
| 1052 | */ |
| 1053 | timeout = 2000000; |
| 1054 | while (timeout) { |
| 1055 | do { |
| 1056 | read = hpi_read_word(pdo, |
| 1057 | HPI_HIF_ADDR(host_cmd)); |
| 1058 | } while (--timeout |
| 1059 | && hpi6000_check_PCI2040_error_flag(pao, |
| 1060 | H6READ)); |
| 1061 | |
| 1062 | if (read) |
| 1063 | break; |
| 1064 | /* The following is a workaround for bug #94: |
| 1065 | * Bluescreen on install and subsequent boots on a |
| 1066 | * DELL PowerEdge 600SC PC with 1.8GHz P4 and |
| 1067 | * ServerWorks chipset. Without this delay the system |
| 1068 | * locks up with a bluescreen (NOT GPF or pagefault). |
| 1069 | */ |
| 1070 | else |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1071 | hpios_delay_micro_seconds(10000); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1072 | } |
| 1073 | if (timeout == 0) |
| 1074 | return HPI6000_ERROR_INIT_NOACK; |
| 1075 | |
| 1076 | /* read the DSP adapter Info from the */ |
| 1077 | /* hostmailbox structure after starting the DSP */ |
| 1078 | if (dsp_index == 0) { |
| 1079 | /*u32 dwTestData=0; */ |
| 1080 | u32 mask = 0; |
| 1081 | |
| 1082 | adapter_info = |
| 1083 | hpi_read_word(pdo, |
| 1084 | HPI_HIF_ADDR(adapter_info)); |
| 1085 | if (HPI_ADAPTER_FAMILY_ASI |
| 1086 | (HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER |
| 1087 | (adapter_info)) == |
| 1088 | HPI_ADAPTER_FAMILY_ASI(0x6200)) |
| 1089 | /* all 6200 cards have this many DSPs */ |
| 1090 | phw->num_dsp = 2; |
| 1091 | |
| 1092 | /* test that the PLD is programmed */ |
| 1093 | /* and we can read/write 24bits */ |
| 1094 | #define PLD_BASE_ADDRESS 0x90000000L /*for ASI6100/6200/8800 */ |
| 1095 | |
| 1096 | switch (boot_load_family) { |
| 1097 | case HPI_ADAPTER_FAMILY_ASI(0x6200): |
| 1098 | /* ASI6100/6200 has 24bit path to FPGA */ |
| 1099 | mask = 0xFFFFFF00L; |
| 1100 | /* ASI5100 uses AX6 code, */ |
| 1101 | /* but has no PLD r/w register to test */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1102 | if (HPI_ADAPTER_FAMILY_ASI(pao->pci.pci_dev-> |
| 1103 | subsystem_device) == |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1104 | HPI_ADAPTER_FAMILY_ASI(0x5100)) |
| 1105 | mask = 0x00000000L; |
Eliot Blennerhassett | 3843914 | 2010-07-06 08:37:08 +1200 | [diff] [blame] | 1106 | /* ASI5200 uses AX6 code, */ |
| 1107 | /* but has no PLD r/w register to test */ |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1108 | if (HPI_ADAPTER_FAMILY_ASI(pao->pci.pci_dev-> |
| 1109 | subsystem_device) == |
Eliot Blennerhassett | 3843914 | 2010-07-06 08:37:08 +1200 | [diff] [blame] | 1110 | HPI_ADAPTER_FAMILY_ASI(0x5200)) |
| 1111 | mask = 0x00000000L; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1112 | break; |
| 1113 | case HPI_ADAPTER_FAMILY_ASI(0x8800): |
| 1114 | /* ASI8800 has 16bit path to FPGA */ |
| 1115 | mask = 0xFFFF0000L; |
| 1116 | break; |
| 1117 | } |
| 1118 | test_data = 0xAAAAAA00L & mask; |
| 1119 | /* write to 24 bit Debug register (D31-D8) */ |
| 1120 | hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data); |
| 1121 | read = hpi_read_word(pdo, |
| 1122 | PLD_BASE_ADDRESS + 4L) & mask; |
| 1123 | if (read != test_data) { |
| 1124 | HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data, |
| 1125 | read); |
| 1126 | return HPI6000_ERROR_INIT_PLDTEST1; |
| 1127 | } |
| 1128 | test_data = 0x55555500L & mask; |
| 1129 | hpi_write_word(pdo, PLD_BASE_ADDRESS + 4L, test_data); |
| 1130 | read = hpi_read_word(pdo, |
| 1131 | PLD_BASE_ADDRESS + 4L) & mask; |
| 1132 | if (read != test_data) { |
| 1133 | HPI_DEBUG_LOG(ERROR, "PLD %x %x\n", test_data, |
| 1134 | read); |
| 1135 | return HPI6000_ERROR_INIT_PLDTEST2; |
| 1136 | } |
| 1137 | } |
| 1138 | } /* for numDSP */ |
| 1139 | return 0; |
| 1140 | } |
| 1141 | |
| 1142 | #define PCI_TIMEOUT 100 |
| 1143 | |
| 1144 | static int hpi_set_address(struct dsp_obj *pdo, u32 address) |
| 1145 | { |
| 1146 | u32 timeout = PCI_TIMEOUT; |
| 1147 | |
| 1148 | do { |
| 1149 | iowrite32(address, pdo->prHPI_address); |
| 1150 | } while (hpi6000_check_PCI2040_error_flag(pdo->pa_parent_adapter, |
| 1151 | H6WRITE) |
| 1152 | && --timeout); |
| 1153 | |
| 1154 | if (timeout) |
| 1155 | return 0; |
| 1156 | |
| 1157 | return 1; |
| 1158 | } |
| 1159 | |
| 1160 | /* write one word to the HPI port */ |
| 1161 | static void hpi_write_word(struct dsp_obj *pdo, u32 address, u32 data) |
| 1162 | { |
| 1163 | if (hpi_set_address(pdo, address)) |
| 1164 | return; |
| 1165 | iowrite32(data, pdo->prHPI_data); |
| 1166 | } |
| 1167 | |
| 1168 | /* read one word from the HPI port */ |
| 1169 | static u32 hpi_read_word(struct dsp_obj *pdo, u32 address) |
| 1170 | { |
| 1171 | u32 data = 0; |
| 1172 | |
| 1173 | if (hpi_set_address(pdo, address)) |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1174 | return 0; /*? No way to return error */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1175 | |
| 1176 | /* take care of errata in revB DSP (2.0.1) */ |
| 1177 | data = ioread32(pdo->prHPI_data); |
| 1178 | return data; |
| 1179 | } |
| 1180 | |
| 1181 | /* write a block of 32bit words to the DSP HPI port using auto-inc mode */ |
| 1182 | static void hpi_write_block(struct dsp_obj *pdo, u32 address, u32 *pdata, |
| 1183 | u32 length) |
| 1184 | { |
| 1185 | u16 length16 = length - 1; |
| 1186 | |
| 1187 | if (length == 0) |
| 1188 | return; |
| 1189 | |
| 1190 | if (hpi_set_address(pdo, address)) |
| 1191 | return; |
| 1192 | |
| 1193 | iowrite32_rep(pdo->prHPI_data_auto_inc, pdata, length16); |
| 1194 | |
| 1195 | /* take care of errata in revB DSP (2.0.1) */ |
| 1196 | /* must end with non auto-inc */ |
| 1197 | iowrite32(*(pdata + length - 1), pdo->prHPI_data); |
| 1198 | } |
| 1199 | |
| 1200 | /** read a block of 32bit words from the DSP HPI port using auto-inc mode |
| 1201 | */ |
| 1202 | static void hpi_read_block(struct dsp_obj *pdo, u32 address, u32 *pdata, |
| 1203 | u32 length) |
| 1204 | { |
| 1205 | u16 length16 = length - 1; |
| 1206 | |
| 1207 | if (length == 0) |
| 1208 | return; |
| 1209 | |
| 1210 | if (hpi_set_address(pdo, address)) |
| 1211 | return; |
| 1212 | |
| 1213 | ioread32_rep(pdo->prHPI_data_auto_inc, pdata, length16); |
| 1214 | |
| 1215 | /* take care of errata in revB DSP (2.0.1) */ |
| 1216 | /* must end with non auto-inc */ |
| 1217 | *(pdata + length - 1) = ioread32(pdo->prHPI_data); |
| 1218 | } |
| 1219 | |
| 1220 | static u16 hpi6000_dsp_block_write32(struct hpi_adapter_obj *pao, |
| 1221 | u16 dsp_index, u32 hpi_address, u32 *source, u32 count) |
| 1222 | { |
| 1223 | struct dsp_obj *pdo = |
| 1224 | &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index]; |
| 1225 | u32 time_out = PCI_TIMEOUT; |
| 1226 | int c6711_burst_size = 128; |
| 1227 | u32 local_hpi_address = hpi_address; |
| 1228 | int local_count = count; |
| 1229 | int xfer_size; |
| 1230 | u32 *pdata = source; |
| 1231 | |
| 1232 | while (local_count) { |
| 1233 | if (local_count > c6711_burst_size) |
| 1234 | xfer_size = c6711_burst_size; |
| 1235 | else |
| 1236 | xfer_size = local_count; |
| 1237 | |
| 1238 | time_out = PCI_TIMEOUT; |
| 1239 | do { |
| 1240 | hpi_write_block(pdo, local_hpi_address, pdata, |
| 1241 | xfer_size); |
| 1242 | } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE) |
| 1243 | && --time_out); |
| 1244 | |
| 1245 | if (!time_out) |
| 1246 | break; |
| 1247 | pdata += xfer_size; |
| 1248 | local_hpi_address += sizeof(u32) * xfer_size; |
| 1249 | local_count -= xfer_size; |
| 1250 | } |
| 1251 | |
| 1252 | if (time_out) |
| 1253 | return 0; |
| 1254 | else |
| 1255 | return 1; |
| 1256 | } |
| 1257 | |
| 1258 | static u16 hpi6000_dsp_block_read32(struct hpi_adapter_obj *pao, |
| 1259 | u16 dsp_index, u32 hpi_address, u32 *dest, u32 count) |
| 1260 | { |
| 1261 | struct dsp_obj *pdo = |
| 1262 | &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index]; |
| 1263 | u32 time_out = PCI_TIMEOUT; |
| 1264 | int c6711_burst_size = 16; |
| 1265 | u32 local_hpi_address = hpi_address; |
| 1266 | int local_count = count; |
| 1267 | int xfer_size; |
| 1268 | u32 *pdata = dest; |
| 1269 | u32 loop_count = 0; |
| 1270 | |
| 1271 | while (local_count) { |
| 1272 | if (local_count > c6711_burst_size) |
| 1273 | xfer_size = c6711_burst_size; |
| 1274 | else |
| 1275 | xfer_size = local_count; |
| 1276 | |
| 1277 | time_out = PCI_TIMEOUT; |
| 1278 | do { |
| 1279 | hpi_read_block(pdo, local_hpi_address, pdata, |
| 1280 | xfer_size); |
| 1281 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) |
| 1282 | && --time_out); |
| 1283 | if (!time_out) |
| 1284 | break; |
| 1285 | |
| 1286 | pdata += xfer_size; |
| 1287 | local_hpi_address += sizeof(u32) * xfer_size; |
| 1288 | local_count -= xfer_size; |
| 1289 | loop_count++; |
| 1290 | } |
| 1291 | |
| 1292 | if (time_out) |
| 1293 | return 0; |
| 1294 | else |
| 1295 | return 1; |
| 1296 | } |
| 1297 | |
| 1298 | static short hpi6000_message_response_sequence(struct hpi_adapter_obj *pao, |
| 1299 | u16 dsp_index, struct hpi_message *phm, struct hpi_response *phr) |
| 1300 | { |
| 1301 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 1302 | struct dsp_obj *pdo = &phw->ado[dsp_index]; |
| 1303 | u32 timeout; |
| 1304 | u16 ack; |
| 1305 | u32 address; |
| 1306 | u32 length; |
| 1307 | u32 *p_data; |
| 1308 | u16 error = 0; |
| 1309 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1310 | ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE); |
| 1311 | if (ack & HPI_HIF_ERROR_MASK) { |
| 1312 | pao->dsp_crashed++; |
| 1313 | return HPI6000_ERROR_MSG_RESP_IDLE_TIMEOUT; |
| 1314 | } |
| 1315 | pao->dsp_crashed = 0; |
| 1316 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1317 | /* get the message address and size */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1318 | if (phw->message_buffer_address_on_dsp == 0) { |
| 1319 | timeout = TIMEOUT; |
| 1320 | do { |
| 1321 | address = |
| 1322 | hpi_read_word(pdo, |
| 1323 | HPI_HIF_ADDR(message_buffer_address)); |
| 1324 | phw->message_buffer_address_on_dsp = address; |
| 1325 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) |
| 1326 | && --timeout); |
| 1327 | if (!timeout) |
| 1328 | return HPI6000_ERROR_MSG_GET_ADR; |
| 1329 | } else |
| 1330 | address = phw->message_buffer_address_on_dsp; |
| 1331 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1332 | length = phm->size; |
| 1333 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1334 | /* send the message */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1335 | p_data = (u32 *)phm; |
| 1336 | if (hpi6000_dsp_block_write32(pao, dsp_index, address, p_data, |
| 1337 | (u16)length / 4)) |
| 1338 | return HPI6000_ERROR_MSG_RESP_BLOCKWRITE32; |
| 1339 | |
| 1340 | if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_GET_RESP)) |
| 1341 | return HPI6000_ERROR_MSG_RESP_GETRESPCMD; |
| 1342 | hpi6000_send_dsp_interrupt(pdo); |
| 1343 | |
| 1344 | ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_GET_RESP); |
| 1345 | if (ack & HPI_HIF_ERROR_MASK) |
| 1346 | return HPI6000_ERROR_MSG_RESP_GET_RESP_ACK; |
| 1347 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1348 | /* get the response address */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1349 | if (phw->response_buffer_address_on_dsp == 0) { |
| 1350 | timeout = TIMEOUT; |
| 1351 | do { |
| 1352 | address = |
| 1353 | hpi_read_word(pdo, |
| 1354 | HPI_HIF_ADDR(response_buffer_address)); |
| 1355 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) |
| 1356 | && --timeout); |
| 1357 | phw->response_buffer_address_on_dsp = address; |
| 1358 | |
| 1359 | if (!timeout) |
| 1360 | return HPI6000_ERROR_RESP_GET_ADR; |
| 1361 | } else |
| 1362 | address = phw->response_buffer_address_on_dsp; |
| 1363 | |
| 1364 | /* read the length of the response back from the DSP */ |
| 1365 | timeout = TIMEOUT; |
| 1366 | do { |
| 1367 | length = hpi_read_word(pdo, HPI_HIF_ADDR(length)); |
| 1368 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout); |
| 1369 | if (!timeout) |
| 1370 | length = sizeof(struct hpi_response); |
| 1371 | |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1372 | /* get the response */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1373 | p_data = (u32 *)phr; |
| 1374 | if (hpi6000_dsp_block_read32(pao, dsp_index, address, p_data, |
| 1375 | (u16)length / 4)) |
| 1376 | return HPI6000_ERROR_MSG_RESP_BLOCKREAD32; |
| 1377 | |
| 1378 | /* set i/f back to idle */ |
| 1379 | if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE)) |
| 1380 | return HPI6000_ERROR_MSG_RESP_IDLECMD; |
| 1381 | hpi6000_send_dsp_interrupt(pdo); |
| 1382 | |
| 1383 | error = hpi_validate_response(phm, phr); |
| 1384 | return error; |
| 1385 | } |
| 1386 | |
| 1387 | /* have to set up the below defines to match stuff in the MAP file */ |
| 1388 | |
| 1389 | #define MSG_ADDRESS (HPI_HIF_BASE+0x18) |
| 1390 | #define MSG_LENGTH 11 |
| 1391 | #define RESP_ADDRESS (HPI_HIF_BASE+0x44) |
| 1392 | #define RESP_LENGTH 16 |
| 1393 | #define QUEUE_START (HPI_HIF_BASE+0x88) |
| 1394 | #define QUEUE_SIZE 0x8000 |
| 1395 | |
| 1396 | static short hpi6000_send_data_check_adr(u32 address, u32 length_in_dwords) |
| 1397 | { |
| 1398 | /*#define CHECKING // comment this line in to enable checking */ |
| 1399 | #ifdef CHECKING |
| 1400 | if (address < (u32)MSG_ADDRESS) |
| 1401 | return 0; |
| 1402 | if (address > (u32)(QUEUE_START + QUEUE_SIZE)) |
| 1403 | return 0; |
| 1404 | if ((address + (length_in_dwords << 2)) > |
| 1405 | (u32)(QUEUE_START + QUEUE_SIZE)) |
| 1406 | return 0; |
| 1407 | #else |
| 1408 | (void)address; |
| 1409 | (void)length_in_dwords; |
| 1410 | return 1; |
| 1411 | #endif |
| 1412 | } |
| 1413 | |
| 1414 | static short hpi6000_send_data(struct hpi_adapter_obj *pao, u16 dsp_index, |
| 1415 | struct hpi_message *phm, struct hpi_response *phr) |
| 1416 | { |
| 1417 | struct dsp_obj *pdo = |
| 1418 | &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index]; |
| 1419 | u32 data_sent = 0; |
| 1420 | u16 ack; |
| 1421 | u32 length, address; |
| 1422 | u32 *p_data = (u32 *)phm->u.d.u.data.pb_data; |
| 1423 | u16 time_out = 8; |
| 1424 | |
| 1425 | (void)phr; |
| 1426 | |
| 1427 | /* round dwDataSize down to nearest 4 bytes */ |
| 1428 | while ((data_sent < (phm->u.d.u.data.data_size & ~3L)) |
| 1429 | && --time_out) { |
| 1430 | ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE); |
| 1431 | if (ack & HPI_HIF_ERROR_MASK) |
| 1432 | return HPI6000_ERROR_SEND_DATA_IDLE_TIMEOUT; |
| 1433 | |
| 1434 | if (hpi6000_send_host_command(pao, dsp_index, |
| 1435 | HPI_HIF_SEND_DATA)) |
| 1436 | return HPI6000_ERROR_SEND_DATA_CMD; |
| 1437 | |
| 1438 | hpi6000_send_dsp_interrupt(pdo); |
| 1439 | |
| 1440 | ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_SEND_DATA); |
| 1441 | |
| 1442 | if (ack & HPI_HIF_ERROR_MASK) |
| 1443 | return HPI6000_ERROR_SEND_DATA_ACK; |
| 1444 | |
| 1445 | do { |
| 1446 | /* get the address and size */ |
| 1447 | address = hpi_read_word(pdo, HPI_HIF_ADDR(address)); |
| 1448 | /* DSP returns number of DWORDS */ |
| 1449 | length = hpi_read_word(pdo, HPI_HIF_ADDR(length)); |
| 1450 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)); |
| 1451 | |
| 1452 | if (!hpi6000_send_data_check_adr(address, length)) |
| 1453 | return HPI6000_ERROR_SEND_DATA_ADR; |
| 1454 | |
| 1455 | /* send the data. break data into 512 DWORD blocks (2K bytes) |
| 1456 | * and send using block write. 2Kbytes is the max as this is the |
| 1457 | * memory window given to the HPI data register by the PCI2040 |
| 1458 | */ |
| 1459 | |
| 1460 | { |
| 1461 | u32 len = length; |
| 1462 | u32 blk_len = 512; |
| 1463 | while (len) { |
| 1464 | if (len < blk_len) |
| 1465 | blk_len = len; |
| 1466 | if (hpi6000_dsp_block_write32(pao, dsp_index, |
| 1467 | address, p_data, blk_len)) |
| 1468 | return HPI6000_ERROR_SEND_DATA_WRITE; |
| 1469 | address += blk_len * 4; |
| 1470 | p_data += blk_len; |
| 1471 | len -= blk_len; |
| 1472 | } |
| 1473 | } |
| 1474 | |
| 1475 | if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE)) |
| 1476 | return HPI6000_ERROR_SEND_DATA_IDLECMD; |
| 1477 | |
| 1478 | hpi6000_send_dsp_interrupt(pdo); |
| 1479 | |
| 1480 | data_sent += length * 4; |
| 1481 | } |
| 1482 | if (!time_out) |
| 1483 | return HPI6000_ERROR_SEND_DATA_TIMEOUT; |
| 1484 | return 0; |
| 1485 | } |
| 1486 | |
| 1487 | static short hpi6000_get_data(struct hpi_adapter_obj *pao, u16 dsp_index, |
| 1488 | struct hpi_message *phm, struct hpi_response *phr) |
| 1489 | { |
| 1490 | struct dsp_obj *pdo = |
| 1491 | &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index]; |
| 1492 | u32 data_got = 0; |
| 1493 | u16 ack; |
| 1494 | u32 length, address; |
| 1495 | u32 *p_data = (u32 *)phm->u.d.u.data.pb_data; |
| 1496 | |
| 1497 | (void)phr; /* this parameter not used! */ |
| 1498 | |
| 1499 | /* round dwDataSize down to nearest 4 bytes */ |
| 1500 | while (data_got < (phm->u.d.u.data.data_size & ~3L)) { |
| 1501 | ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_IDLE); |
| 1502 | if (ack & HPI_HIF_ERROR_MASK) |
| 1503 | return HPI6000_ERROR_GET_DATA_IDLE_TIMEOUT; |
| 1504 | |
| 1505 | if (hpi6000_send_host_command(pao, dsp_index, |
| 1506 | HPI_HIF_GET_DATA)) |
| 1507 | return HPI6000_ERROR_GET_DATA_CMD; |
| 1508 | hpi6000_send_dsp_interrupt(pdo); |
| 1509 | |
| 1510 | ack = hpi6000_wait_dsp_ack(pao, dsp_index, HPI_HIF_GET_DATA); |
| 1511 | |
| 1512 | if (ack & HPI_HIF_ERROR_MASK) |
| 1513 | return HPI6000_ERROR_GET_DATA_ACK; |
| 1514 | |
| 1515 | /* get the address and size */ |
| 1516 | do { |
| 1517 | address = hpi_read_word(pdo, HPI_HIF_ADDR(address)); |
| 1518 | length = hpi_read_word(pdo, HPI_HIF_ADDR(length)); |
| 1519 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ)); |
| 1520 | |
| 1521 | /* read the data */ |
| 1522 | { |
| 1523 | u32 len = length; |
| 1524 | u32 blk_len = 512; |
| 1525 | while (len) { |
| 1526 | if (len < blk_len) |
| 1527 | blk_len = len; |
| 1528 | if (hpi6000_dsp_block_read32(pao, dsp_index, |
| 1529 | address, p_data, blk_len)) |
| 1530 | return HPI6000_ERROR_GET_DATA_READ; |
| 1531 | address += blk_len * 4; |
| 1532 | p_data += blk_len; |
| 1533 | len -= blk_len; |
| 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | if (hpi6000_send_host_command(pao, dsp_index, HPI_HIF_IDLE)) |
| 1538 | return HPI6000_ERROR_GET_DATA_IDLECMD; |
| 1539 | hpi6000_send_dsp_interrupt(pdo); |
| 1540 | |
| 1541 | data_got += length * 4; |
| 1542 | } |
| 1543 | return 0; |
| 1544 | } |
| 1545 | |
| 1546 | static void hpi6000_send_dsp_interrupt(struct dsp_obj *pdo) |
| 1547 | { |
| 1548 | iowrite32(0x00030003, pdo->prHPI_control); /* DSPINT */ |
| 1549 | } |
| 1550 | |
| 1551 | static short hpi6000_send_host_command(struct hpi_adapter_obj *pao, |
| 1552 | u16 dsp_index, u32 host_cmd) |
| 1553 | { |
| 1554 | struct dsp_obj *pdo = |
| 1555 | &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index]; |
| 1556 | u32 timeout = TIMEOUT; |
| 1557 | |
| 1558 | /* set command */ |
| 1559 | do { |
| 1560 | hpi_write_word(pdo, HPI_HIF_ADDR(host_cmd), host_cmd); |
| 1561 | /* flush the FIFO */ |
| 1562 | hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd)); |
| 1563 | } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE) && --timeout); |
| 1564 | |
| 1565 | /* reset the interrupt bit */ |
| 1566 | iowrite32(0x00040004, pdo->prHPI_control); |
| 1567 | |
| 1568 | if (timeout) |
| 1569 | return 0; |
| 1570 | else |
| 1571 | return 1; |
| 1572 | } |
| 1573 | |
| 1574 | /* if the PCI2040 has recorded an HPI timeout, reset the error and return 1 */ |
| 1575 | static short hpi6000_check_PCI2040_error_flag(struct hpi_adapter_obj *pao, |
| 1576 | u16 read_or_write) |
| 1577 | { |
| 1578 | u32 hPI_error; |
| 1579 | |
| 1580 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 1581 | |
| 1582 | /* read the error bits from the PCI2040 */ |
| 1583 | hPI_error = ioread32(phw->dw2040_HPICSR + HPI_ERROR_REPORT); |
| 1584 | if (hPI_error) { |
| 1585 | /* reset the error flag */ |
| 1586 | iowrite32(0L, phw->dw2040_HPICSR + HPI_ERROR_REPORT); |
| 1587 | phw->pCI2040HPI_error_count++; |
| 1588 | if (read_or_write == 1) |
| 1589 | gw_pci_read_asserts++; /************* inc global */ |
| 1590 | else |
| 1591 | gw_pci_write_asserts++; |
| 1592 | return 1; |
| 1593 | } else |
| 1594 | return 0; |
| 1595 | } |
| 1596 | |
| 1597 | static short hpi6000_wait_dsp_ack(struct hpi_adapter_obj *pao, u16 dsp_index, |
| 1598 | u32 ack_value) |
| 1599 | { |
| 1600 | struct dsp_obj *pdo = |
| 1601 | &(*(struct hpi_hw_obj *)pao->priv).ado[dsp_index]; |
| 1602 | u32 ack = 0L; |
| 1603 | u32 timeout; |
| 1604 | u32 hPIC = 0L; |
| 1605 | |
| 1606 | /* wait for host interrupt to signal ack is ready */ |
| 1607 | timeout = TIMEOUT; |
| 1608 | while (--timeout) { |
| 1609 | hPIC = ioread32(pdo->prHPI_control); |
| 1610 | if (hPIC & 0x04) /* 0x04 = HINT from DSP */ |
| 1611 | break; |
| 1612 | } |
| 1613 | if (timeout == 0) |
| 1614 | return HPI_HIF_ERROR_MASK; |
| 1615 | |
| 1616 | /* wait for dwAckValue */ |
| 1617 | timeout = TIMEOUT; |
| 1618 | while (--timeout) { |
| 1619 | /* read the ack mailbox */ |
| 1620 | ack = hpi_read_word(pdo, HPI_HIF_ADDR(dsp_ack)); |
| 1621 | if (ack == ack_value) |
| 1622 | break; |
| 1623 | if ((ack & HPI_HIF_ERROR_MASK) |
| 1624 | && !hpi6000_check_PCI2040_error_flag(pao, H6READ)) |
| 1625 | break; |
| 1626 | /*for (i=0;i<1000;i++) */ |
| 1627 | /* dwPause=i+1; */ |
| 1628 | } |
| 1629 | if (ack & HPI_HIF_ERROR_MASK) |
| 1630 | /* indicates bad read from DSP - |
| 1631 | typically 0xffffff is read for some reason */ |
| 1632 | ack = HPI_HIF_ERROR_MASK; |
| 1633 | |
| 1634 | if (timeout == 0) |
| 1635 | ack = HPI_HIF_ERROR_MASK; |
| 1636 | return (short)ack; |
| 1637 | } |
| 1638 | |
| 1639 | static short hpi6000_update_control_cache(struct hpi_adapter_obj *pao, |
| 1640 | struct hpi_message *phm) |
| 1641 | { |
| 1642 | const u16 dsp_index = 0; |
| 1643 | struct hpi_hw_obj *phw = (struct hpi_hw_obj *)pao->priv; |
| 1644 | struct dsp_obj *pdo = &phw->ado[dsp_index]; |
| 1645 | u32 timeout; |
| 1646 | u32 cache_dirty_flag; |
| 1647 | u16 err; |
| 1648 | |
| 1649 | hpios_dsplock_lock(pao); |
| 1650 | |
| 1651 | timeout = TIMEOUT; |
| 1652 | do { |
| 1653 | cache_dirty_flag = |
| 1654 | hpi_read_word((struct dsp_obj *)pdo, |
| 1655 | HPI_HIF_ADDR(control_cache_is_dirty)); |
| 1656 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) && --timeout); |
| 1657 | if (!timeout) { |
| 1658 | err = HPI6000_ERROR_CONTROL_CACHE_PARAMS; |
| 1659 | goto unlock; |
| 1660 | } |
| 1661 | |
| 1662 | if (cache_dirty_flag) { |
| 1663 | /* read the cached controls */ |
| 1664 | u32 address; |
| 1665 | u32 length; |
| 1666 | |
| 1667 | timeout = TIMEOUT; |
| 1668 | if (pdo->control_cache_address_on_dsp == 0) { |
| 1669 | do { |
| 1670 | address = |
| 1671 | hpi_read_word((struct dsp_obj *)pdo, |
| 1672 | HPI_HIF_ADDR(control_cache_address)); |
| 1673 | |
| 1674 | length = hpi_read_word((struct dsp_obj *)pdo, |
| 1675 | HPI_HIF_ADDR |
| 1676 | (control_cache_size_in_bytes)); |
| 1677 | } while (hpi6000_check_PCI2040_error_flag(pao, H6READ) |
| 1678 | && --timeout); |
| 1679 | if (!timeout) { |
| 1680 | err = HPI6000_ERROR_CONTROL_CACHE_ADDRLEN; |
| 1681 | goto unlock; |
| 1682 | } |
| 1683 | pdo->control_cache_address_on_dsp = address; |
| 1684 | pdo->control_cache_length_on_dsp = length; |
| 1685 | } else { |
| 1686 | address = pdo->control_cache_address_on_dsp; |
| 1687 | length = pdo->control_cache_length_on_dsp; |
| 1688 | } |
| 1689 | |
| 1690 | if (hpi6000_dsp_block_read32(pao, dsp_index, address, |
| 1691 | (u32 *)&phw->control_cache[0], |
| 1692 | length / sizeof(u32))) { |
| 1693 | err = HPI6000_ERROR_CONTROL_CACHE_READ; |
| 1694 | goto unlock; |
| 1695 | } |
| 1696 | do { |
| 1697 | hpi_write_word((struct dsp_obj *)pdo, |
| 1698 | HPI_HIF_ADDR(control_cache_is_dirty), 0); |
| 1699 | /* flush the FIFO */ |
| 1700 | hpi_set_address(pdo, HPI_HIF_ADDR(host_cmd)); |
| 1701 | } while (hpi6000_check_PCI2040_error_flag(pao, H6WRITE) |
| 1702 | && --timeout); |
| 1703 | if (!timeout) { |
| 1704 | err = HPI6000_ERROR_CONTROL_CACHE_FLUSH; |
| 1705 | goto unlock; |
| 1706 | } |
| 1707 | |
| 1708 | } |
| 1709 | err = 0; |
| 1710 | |
| 1711 | unlock: |
| 1712 | hpios_dsplock_unlock(pao); |
| 1713 | return err; |
| 1714 | } |
| 1715 | |
| 1716 | /** Get dsp index for multi DSP adapters only */ |
| 1717 | static u16 get_dsp_index(struct hpi_adapter_obj *pao, struct hpi_message *phm) |
| 1718 | { |
| 1719 | u16 ret = 0; |
| 1720 | switch (phm->object) { |
| 1721 | case HPI_OBJ_ISTREAM: |
| 1722 | if (phm->obj_index < 2) |
| 1723 | ret = 1; |
| 1724 | break; |
| 1725 | case HPI_OBJ_PROFILE: |
| 1726 | ret = phm->obj_index; |
| 1727 | break; |
| 1728 | default: |
| 1729 | break; |
| 1730 | } |
| 1731 | return ret; |
| 1732 | } |
| 1733 | |
| 1734 | /** Complete transaction with DSP |
| 1735 | |
| 1736 | Send message, get response, send or get stream data if any. |
| 1737 | */ |
| 1738 | static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, |
| 1739 | struct hpi_response *phr) |
| 1740 | { |
| 1741 | u16 error = 0; |
| 1742 | u16 dsp_index = 0; |
| 1743 | u16 num_dsp = ((struct hpi_hw_obj *)pao->priv)->num_dsp; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1744 | |
| 1745 | if (num_dsp < 2) |
| 1746 | dsp_index = 0; |
| 1747 | else { |
| 1748 | dsp_index = get_dsp_index(pao, phm); |
| 1749 | |
| 1750 | /* is this checked on the DSP anyway? */ |
| 1751 | if ((phm->function == HPI_ISTREAM_GROUP_ADD) |
| 1752 | || (phm->function == HPI_OSTREAM_GROUP_ADD)) { |
| 1753 | struct hpi_message hm; |
| 1754 | u16 add_index; |
| 1755 | hm.obj_index = phm->u.d.u.stream.stream_index; |
| 1756 | hm.object = phm->u.d.u.stream.object_type; |
| 1757 | add_index = get_dsp_index(pao, &hm); |
| 1758 | if (add_index != dsp_index) { |
| 1759 | phr->error = HPI_ERROR_NO_INTERDSP_GROUPS; |
| 1760 | return; |
| 1761 | } |
| 1762 | } |
| 1763 | } |
Eliot Blennerhassett | bca516b | 2010-05-27 17:53:53 +1200 | [diff] [blame] | 1764 | |
| 1765 | hpios_dsplock_lock(pao); |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1766 | error = hpi6000_message_response_sequence(pao, dsp_index, phm, phr); |
| 1767 | |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 1768 | if (error) /* something failed in the HPI/DSP interface */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1769 | goto err; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1770 | |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 1771 | if (phr->error) /* something failed in the DSP */ |
| 1772 | goto out; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1773 | |
| 1774 | switch (phm->function) { |
| 1775 | case HPI_OSTREAM_WRITE: |
| 1776 | case HPI_ISTREAM_ANC_WRITE: |
| 1777 | error = hpi6000_send_data(pao, dsp_index, phm, phr); |
| 1778 | break; |
| 1779 | case HPI_ISTREAM_READ: |
| 1780 | case HPI_OSTREAM_ANC_READ: |
| 1781 | error = hpi6000_get_data(pao, dsp_index, phm, phr); |
| 1782 | break; |
| 1783 | case HPI_ADAPTER_GET_ASSERT: |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1784 | phr->u.ax.assert.dsp_index = 0; /* dsp 0 default */ |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1785 | if (num_dsp == 2) { |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1786 | if (!phr->u.ax.assert.count) { |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1787 | /* no assert from dsp 0, check dsp 1 */ |
| 1788 | error = hpi6000_message_response_sequence(pao, |
| 1789 | 1, phm, phr); |
Eliot Blennerhassett | 3285ea1 | 2011-02-10 17:25:58 +1300 | [diff] [blame] | 1790 | phr->u.ax.assert.dsp_index = 1; |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1791 | } |
| 1792 | } |
| 1793 | } |
| 1794 | |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1795 | err: |
Eliot Blennerhassett | 0a00044 | 2011-02-10 17:26:05 +1300 | [diff] [blame] | 1796 | if (error) { |
| 1797 | if (error >= HPI_ERROR_BACKEND_BASE) { |
| 1798 | phr->error = HPI_ERROR_DSP_COMMUNICATION; |
| 1799 | phr->specific_error = error; |
| 1800 | } else { |
| 1801 | phr->error = error; |
| 1802 | } |
| 1803 | |
| 1804 | /* just the header of the response is valid */ |
| 1805 | phr->size = sizeof(struct hpi_response_header); |
| 1806 | } |
| 1807 | out: |
Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 1808 | hpios_dsplock_unlock(pao); |
| 1809 | return; |
| 1810 | } |