diff options
author | Alex Elder <elder@linaro.org> | 2023-02-10 22:36:51 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2023-02-13 12:56:16 +0300 |
commit | 76924eb92801e6893eb59be7b3a999bc9bd24891 (patch) | |
tree | 20d3f80eba6593c8cdf644319174a1538609bea8 /drivers/net | |
parent | d2bb6e657f164e37fe6d170cac869904d9cc26bc (diff) | |
download | linux-76924eb92801e6893eb59be7b3a999bc9bd24891.tar.xz |
net: ipa: add more GSI register definitions
Continue populating with GSI register definitions, adding remaining
registers whose offset depends on a channel ID. Use gsi_reg() and
reg_n_offset() to determine offsets for those registers, and get rid
of the corresponding GSI_CH_C_*_OFFSET() macros.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ipa/gsi.c | 41 | ||||
-rw-r--r-- | drivers/net/ipa/gsi_reg.h | 27 | ||||
-rw-r--r-- | drivers/net/ipa/reg/gsi_reg-v3.1.c | 32 |
3 files changed, 62 insertions, 38 deletions
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c index f07b7554d21f..a41e8418b62a 100644 --- a/drivers/net/ipa/gsi.c +++ b/drivers/net/ipa/gsi.c @@ -500,11 +500,14 @@ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id) /* Fetch the current state of a channel from hardware */ static enum gsi_channel_state gsi_channel_state(struct gsi_channel *channel) { + const struct reg *reg = gsi_reg(channel->gsi, CH_C_CNTXT_0); u32 channel_id = gsi_channel_id(channel); - void __iomem *virt = channel->gsi->virt; + struct gsi *gsi = channel->gsi; + void __iomem *virt = gsi->virt; u32 val; - val = ioread32(virt + GSI_CH_C_CNTXT_0_OFFSET(channel_id)); + reg = gsi_reg(gsi, CH_C_CNTXT_0); + val = ioread32(virt + reg_n_offset(reg, channel_id)); return u32_get_bits(val, CHSTATE_FMASK); } @@ -799,27 +802,34 @@ static void gsi_channel_program(struct gsi_channel *channel, bool doorbell) struct gsi *gsi = channel->gsi; const struct reg *reg; u32 wrr_weight = 0; + u32 offset; u32 val; + reg = gsi_reg(gsi, CH_C_CNTXT_0); + /* We program all channels as GPI type/protocol */ val = ch_c_cntxt_0_type_encode(gsi->version, GSI_CHANNEL_TYPE_GPI); if (channel->toward_ipa) val |= CHTYPE_DIR_FMASK; val |= u32_encode_bits(channel->evt_ring_id, ERINDEX_FMASK); val |= u32_encode_bits(GSI_RING_ELEMENT_SIZE, ELEMENT_SIZE_FMASK); - iowrite32(val, gsi->virt + GSI_CH_C_CNTXT_0_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); + reg = gsi_reg(gsi, CH_C_CNTXT_1); val = ch_c_cntxt_1_length_encode(gsi->version, size); - iowrite32(val, gsi->virt + GSI_CH_C_CNTXT_1_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); /* The context 2 and 3 registers store the low-order and * high-order 32 bits of the address of the channel ring, * respectively. */ + reg = gsi_reg(gsi, CH_C_CNTXT_2); val = lower_32_bits(channel->tre_ring.addr); - iowrite32(val, gsi->virt + GSI_CH_C_CNTXT_2_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); + + reg = gsi_reg(gsi, CH_C_CNTXT_3); val = upper_32_bits(channel->tre_ring.addr); - iowrite32(val, gsi->virt + GSI_CH_C_CNTXT_3_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); reg = gsi_reg(gsi, CH_C_QOS); @@ -857,22 +867,27 @@ static void gsi_channel_program(struct gsi_channel *channel, bool doorbell) GSI_RING_ELEMENT_SIZE; gpi->outstanding_threshold = 2 * GSI_RING_ELEMENT_SIZE; + reg = gsi_reg(gsi, CH_C_SCRATCH_0); val = scr.data.word1; - iowrite32(val, gsi->virt + GSI_CH_C_SCRATCH_0_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); + reg = gsi_reg(gsi, CH_C_SCRATCH_1); val = scr.data.word2; - iowrite32(val, gsi->virt + GSI_CH_C_SCRATCH_1_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); + reg = gsi_reg(gsi, CH_C_SCRATCH_2); val = scr.data.word3; - iowrite32(val, gsi->virt + GSI_CH_C_SCRATCH_2_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); /* We must preserve the upper 16 bits of the last scratch register. * The next sequence assumes those bits remain unchanged between the * read and the write. */ - val = ioread32(gsi->virt + GSI_CH_C_SCRATCH_3_OFFSET(channel_id)); + reg = gsi_reg(gsi, CH_C_SCRATCH_3); + offset = reg_n_offset(reg, channel_id); + val = ioread32(gsi->virt + offset); val = (scr.data.word4 & GENMASK(31, 16)) | (val & GENMASK(15, 0)); - iowrite32(val, gsi->virt + GSI_CH_C_SCRATCH_3_OFFSET(channel_id)); + iowrite32(val, gsi->virt + offset); /* All done! */ } @@ -1506,11 +1521,13 @@ void gsi_channel_doorbell(struct gsi_channel *channel) struct gsi_ring *tre_ring = &channel->tre_ring; u32 channel_id = gsi_channel_id(channel); struct gsi *gsi = channel->gsi; + const struct reg *reg; u32 val; + reg = gsi_reg(gsi, CH_C_DOORBELL_0); /* Note: index *must* be used modulo the ring count here */ val = gsi_ring_addr(tre_ring, tre_ring->index % tre_ring->count); - iowrite32(val, gsi->virt + GSI_CH_C_DOORBELL_0_OFFSET(channel_id)); + iowrite32(val, gsi->virt + reg_n_offset(reg, channel_id)); } /* Consult hardware, move newly completed transactions to completed state */ diff --git a/drivers/net/ipa/gsi_reg.h b/drivers/net/ipa/gsi_reg.h index 398546fbfd69..9faa0b2fefa5 100644 --- a/drivers/net/ipa/gsi_reg.h +++ b/drivers/net/ipa/gsi_reg.h @@ -105,8 +105,7 @@ enum gsi_reg_id { /* All other register offsets are relative to gsi->virt */ -#define GSI_CH_C_CNTXT_0_OFFSET(ch) \ - (0x0001c000 + 0x4000 * GSI_EE_AP + 0x80 * (ch)) +/* CH_C_CNTXT_0 register */ #define CHTYPE_PROTOCOL_FMASK GENMASK(2, 0) #define CHTYPE_DIR_FMASK GENMASK(3, 3) #define EE_FMASK GENMASK(7, 4) @@ -131,15 +130,6 @@ enum gsi_channel_type { GSI_CHANNEL_TYPE_11AD = 0x9, }; -#define GSI_CH_C_CNTXT_1_OFFSET(ch) \ - (0x0001c004 + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - -#define GSI_CH_C_CNTXT_2_OFFSET(ch) \ - (0x0001c008 + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - -#define GSI_CH_C_CNTXT_3_OFFSET(ch) \ - (0x0001c00c + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - /* CH_C_QOS register */ #define WRR_WEIGHT_FMASK GENMASK(3, 0) #define MAX_PREFETCH_FMASK GENMASK(8, 8) @@ -160,18 +150,6 @@ enum gsi_prefetch_mode { GSI_FREE_PREFETCH = 0x3, }; -#define GSI_CH_C_SCRATCH_0_OFFSET(ch) \ - (0x0001c060 + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - -#define GSI_CH_C_SCRATCH_1_OFFSET(ch) \ - (0x0001c064 + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - -#define GSI_CH_C_SCRATCH_2_OFFSET(ch) \ - (0x0001c068 + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - -#define GSI_CH_C_SCRATCH_3_OFFSET(ch) \ - (0x0001c06c + 0x4000 * GSI_EE_AP + 0x80 * (ch)) - #define GSI_EV_CH_E_CNTXT_0_OFFSET(ev) \ (0x0001d000 + 0x4000 * GSI_EE_AP + 0x80 * (ev)) /* enum gsi_channel_type defines EV_CHTYPE field values in EV_CH_E_CNTXT_0 */ @@ -221,9 +199,6 @@ enum gsi_prefetch_mode { #define GSI_EV_CH_E_SCRATCH_1_OFFSET(ev) \ (0x0001d04c + 0x4000 * GSI_EE_AP + 0x80 * (ev)) -#define GSI_CH_C_DOORBELL_0_OFFSET(ch) \ - (0x0001e000 + 0x4000 * GSI_EE_AP + 0x08 * (ch)) - #define GSI_EV_CH_E_DOORBELL_0_OFFSET(ev) \ (0x0001e100 + 0x4000 * GSI_EE_AP + 0x08 * (ev)) diff --git a/drivers/net/ipa/reg/gsi_reg-v3.1.c b/drivers/net/ipa/reg/gsi_reg-v3.1.c index c4d4beb7738f..86e4e0534154 100644 --- a/drivers/net/ipa/reg/gsi_reg-v3.1.c +++ b/drivers/net/ipa/reg/gsi_reg-v3.1.c @@ -8,10 +8,42 @@ #include "../reg.h" #include "../gsi_reg.h" +REG_STRIDE(CH_C_CNTXT_0, ch_c_cntxt_0, 0x0001c000 + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_CNTXT_1, ch_c_cntxt_1, 0x0001c004 + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_CNTXT_2, ch_c_cntxt_2, 0x0001c008 + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_CNTXT_3, ch_c_cntxt_3, 0x0001c00c + 0x4000 * GSI_EE_AP, 0x80); + REG_STRIDE(CH_C_QOS, ch_c_qos, 0x0001c05c + 0x4000 * GSI_EE_AP, 0x80); +REG_STRIDE(CH_C_SCRATCH_0, ch_c_scratch_0, + 0x0001c060 + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_SCRATCH_1, ch_c_scratch_1, + 0x0001c064 + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_SCRATCH_2, ch_c_scratch_2, + 0x0001c068 + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_SCRATCH_3, ch_c_scratch_3, + 0x0001c06c + 0x4000 * GSI_EE_AP, 0x80); + +REG_STRIDE(CH_C_DOORBELL_0, ch_c_doorbell_0, + 0x0001e000 + 0x4000 * GSI_EE_AP, 0x08); + static const struct reg *reg_array[] = { + [CH_C_CNTXT_0] = ®_ch_c_cntxt_0, + [CH_C_CNTXT_1] = ®_ch_c_cntxt_1, + [CH_C_CNTXT_2] = ®_ch_c_cntxt_2, + [CH_C_CNTXT_3] = ®_ch_c_cntxt_3, [CH_C_QOS] = ®_ch_c_qos, + [CH_C_SCRATCH_0] = ®_ch_c_scratch_0, + [CH_C_SCRATCH_1] = ®_ch_c_scratch_1, + [CH_C_SCRATCH_2] = ®_ch_c_scratch_2, + [CH_C_SCRATCH_3] = ®_ch_c_scratch_3, + [CH_C_DOORBELL_0] = ®_ch_c_doorbell_0, }; const struct regs gsi_regs_v3_1 = { |