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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-fh.h24
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-prph.h27
2 files changed, 43 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h
index 90208094b8eb..74bce97a8600 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fh.h
@@ -104,15 +104,29 @@
104 * (see struct iwl_tfd_frame). These 16 pointer registers are offset by 0x04 104 * (see struct iwl_tfd_frame). These 16 pointer registers are offset by 0x04
105 * bytes from one another. Each TFD circular buffer in DRAM must be 256-byte 105 * bytes from one another. Each TFD circular buffer in DRAM must be 256-byte
106 * aligned (address bits 0-7 must be 0). 106 * aligned (address bits 0-7 must be 0).
107 * Later devices have 20 (5000 series) or 30 (higher) queues, but the registers
108 * for them are in different places.
107 * 109 *
108 * Bit fields in each pointer register: 110 * Bit fields in each pointer register:
109 * 27-0: TFD CB physical base address [35:8], must be 256-byte aligned 111 * 27-0: TFD CB physical base address [35:8], must be 256-byte aligned
110 */ 112 */
111#define FH_MEM_CBBC_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0x9D0) 113#define FH_MEM_CBBC_0_15_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0x9D0)
112#define FH_MEM_CBBC_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xA10) 114#define FH_MEM_CBBC_0_15_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xA10)
113 115#define FH_MEM_CBBC_16_19_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xBF0)
114/* Find TFD CB base pointer for given queue (range 0-15). */ 116#define FH_MEM_CBBC_16_19_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xC00)
115#define FH_MEM_CBBC_QUEUE(x) (FH_MEM_CBBC_LOWER_BOUND + (x) * 0x4) 117#define FH_MEM_CBBC_20_31_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xB20)
118#define FH_MEM_CBBC_20_31_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xB80)
119
120/* Find TFD CB base pointer for given queue */
121static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl)
122{
123 if (chnl < 16)
124 return FH_MEM_CBBC_0_15_LOWER_BOUND + 4 * chnl;
125 if (chnl < 20)
126 return FH_MEM_CBBC_16_19_LOWER_BOUND + 4 * (chnl - 16);
127 WARN_ON_ONCE(chnl >= 32);
128 return FH_MEM_CBBC_20_31_LOWER_BOUND + 4 * (chnl - 20);
129}
116 130
117 131
118/** 132/**
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index 75dc20bd965b..3b1069290fa9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -223,12 +223,33 @@
223#define SCD_AIT (SCD_BASE + 0x0c) 223#define SCD_AIT (SCD_BASE + 0x0c)
224#define SCD_TXFACT (SCD_BASE + 0x10) 224#define SCD_TXFACT (SCD_BASE + 0x10)
225#define SCD_ACTIVE (SCD_BASE + 0x14) 225#define SCD_ACTIVE (SCD_BASE + 0x14)
226#define SCD_QUEUE_WRPTR(x) (SCD_BASE + 0x18 + (x) * 4)
227#define SCD_QUEUE_RDPTR(x) (SCD_BASE + 0x68 + (x) * 4)
228#define SCD_QUEUECHAIN_SEL (SCD_BASE + 0xe8) 226#define SCD_QUEUECHAIN_SEL (SCD_BASE + 0xe8)
229#define SCD_AGGR_SEL (SCD_BASE + 0x248) 227#define SCD_AGGR_SEL (SCD_BASE + 0x248)
230#define SCD_INTERRUPT_MASK (SCD_BASE + 0x108) 228#define SCD_INTERRUPT_MASK (SCD_BASE + 0x108)
231#define SCD_QUEUE_STATUS_BITS(x) (SCD_BASE + 0x10c + (x) * 4) 229
230static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)
231{
232 if (chnl < 20)
233 return SCD_BASE + 0x18 + chnl * 4;
234 WARN_ON_ONCE(chnl >= 32);
235 return SCD_BASE + 0x284 + (chnl - 20) * 4;
236}
237
238static inline unsigned int SCD_QUEUE_RDPTR(unsigned int chnl)
239{
240 if (chnl < 20)
241 return SCD_BASE + 0x68 + chnl * 4;
242 WARN_ON_ONCE(chnl >= 32);
243 return SCD_BASE + 0x2B4 + (chnl - 20) * 4;
244}
245
246static inline unsigned int SCD_QUEUE_STATUS_BITS(unsigned int chnl)
247{
248 if (chnl < 20)
249 return SCD_BASE + 0x10c + chnl * 4;
250 WARN_ON_ONCE(chnl >= 32);
251 return SCD_BASE + 0x384 + (chnl - 20) * 4;
252}
232 253
233/*********************** END TX SCHEDULER *************************************/ 254/*********************** END TX SCHEDULER *************************************/
234 255