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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-02 16:40:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-02 16:40:27 -0700 |
commit | 8d65b08debc7e62b2c6032d7fe7389d895b92cbc (patch) | |
tree | 0c3141b60c3a03cc32742b5750c5e763b9dae489 /drivers/net/wireless/ath/ath10k/bmi.c | |
parent | 5a0387a8a8efb90ae7fea1e2e5c62de3efa74691 (diff) | |
parent | 5d15af6778b8e4ed1fd41b040283af278e7a9a72 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/bmi.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/bmi.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/bmi.c b/drivers/net/wireless/ath/ath10k/bmi.c index 2872d347ea78..abeee200310b 100644 --- a/drivers/net/wireless/ath/ath10k/bmi.c +++ b/drivers/net/wireless/ath/ath10k/bmi.c @@ -19,12 +19,21 @@ #include "hif.h" #include "debug.h" #include "htc.h" +#include "hw.h" void ath10k_bmi_start(struct ath10k *ar) { + int ret; + ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi start\n"); ar->bmi.done_sent = false; + + /* Enable hardware clock to speed up firmware download */ + if (ar->hw_params.hw_ops->enable_pll_clk) { + ret = ar->hw_params.hw_ops->enable_pll_clk(ar); + ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi enable pll ret %d\n", ret); + } } int ath10k_bmi_done(struct ath10k *ar) @@ -129,6 +138,69 @@ int ath10k_bmi_read_memory(struct ath10k *ar, return 0; } +int ath10k_bmi_write_soc_reg(struct ath10k *ar, u32 address, u32 reg_val) +{ + struct bmi_cmd cmd; + u32 cmdlen = sizeof(cmd.id) + sizeof(cmd.write_soc_reg); + int ret; + + ath10k_dbg(ar, ATH10K_DBG_BMI, + "bmi write soc register 0x%08x val 0x%08x\n", + address, reg_val); + + if (ar->bmi.done_sent) { + ath10k_warn(ar, "bmi write soc register command in progress\n"); + return -EBUSY; + } + + cmd.id = __cpu_to_le32(BMI_WRITE_SOC_REGISTER); + cmd.write_soc_reg.addr = __cpu_to_le32(address); + cmd.write_soc_reg.value = __cpu_to_le32(reg_val); + + ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, NULL, NULL); + if (ret) { + ath10k_warn(ar, "Unable to write soc register to device: %d\n", + ret); + return ret; + } + + return 0; +} + +int ath10k_bmi_read_soc_reg(struct ath10k *ar, u32 address, u32 *reg_val) +{ + struct bmi_cmd cmd; + union bmi_resp resp; + u32 cmdlen = sizeof(cmd.id) + sizeof(cmd.read_soc_reg); + u32 resplen = sizeof(resp.read_soc_reg); + int ret; + + ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi read soc register 0x%08x\n", + address); + + if (ar->bmi.done_sent) { + ath10k_warn(ar, "bmi read soc register command in progress\n"); + return -EBUSY; + } + + cmd.id = __cpu_to_le32(BMI_READ_SOC_REGISTER); + cmd.read_soc_reg.addr = __cpu_to_le32(address); + + ret = ath10k_hif_exchange_bmi_msg(ar, &cmd, cmdlen, &resp, &resplen); + if (ret) { + ath10k_warn(ar, "Unable to read soc register from device: %d\n", + ret); + return ret; + } + + *reg_val = __le32_to_cpu(resp.read_soc_reg.value); + + ath10k_dbg(ar, ATH10K_DBG_BMI, "bmi read soc register value 0x%08x\n", + *reg_val); + + return 0; +} + int ath10k_bmi_write_memory(struct ath10k *ar, u32 address, const void *buffer, u32 length) { |