Skip to content

L
linux
Commit 44beb343 authored by Herve Codina's avatar Herve Codina Committed by Christophe Leroy
Browse files
Options

soc: fsl: cpm1: qmc: Use BIT(), GENMASK() and FIELD_PREP() macros 

checkpatch.pl signals the following improvement for qmc.c
  CHECK: Prefer using the BIT macro

Follow its suggestion and convert the code to BIT() and related macros.
Signed-off-by: default avatarHerve Codina <herve.codina@bootlin.com>
Reviewed-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-19-herve.codina@bootlin.comSigned-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
parent e8344905
Hide whitespace changes
Inline Side-by-side
Showing with 72 additions and 60 deletions
drivers/soc/fsl/qe/qmc.c
View file @ 44beb343
......@@ -8,6 +8,7 @@
*/
#include <soc/fsl/qe/qmc.h>
#include <linux/bitfield.h>
#include <linux/dma-mapping.h>
#include <linux/hdlc.h>
#include <linux/interrupt.h>
......@@ -23,23 +24,24 @@
/* SCC general mode register high (32 bits) */
#define SCC_GSMRL 0x00
#define SCC_GSMRL_ENR (1 << 5)
#define SCC_GSMRL_ENT (1 << 4)
#define SCC_GSMRL_MODE_QMC (0x0A << 0)
#define SCC_GSMRL_ENR BIT(5)
#define SCC_GSMRL_ENT BIT(4)
#define SCC_GSMRL_MODE_MASK GENMASK(3, 0)
#define SCC_GSMRL_MODE_QMC FIELD_PREP_CONST(SCC_GSMRL_MODE_MASK, 0x0A)
/* SCC general mode register low (32 bits) */
#define SCC_GSMRH 0x04
#define SCC_GSMRH_CTSS (1 << 7)
#define SCC_GSMRH_CDS (1 << 8)
#define SCC_GSMRH_CTSP (1 << 9)
#define SCC_GSMRH_CDP (1 << 10)
#define SCC_GSMRH_CTSS BIT(7)
#define SCC_GSMRH_CDS BIT(8)
#define SCC_GSMRH_CTSP BIT(9)
#define SCC_GSMRH_CDP BIT(10)
/* SCC event register (16 bits) */
#define SCC_SCCE 0x10
#define SCC_SCCE_IQOV (1 << 3)
#define SCC_SCCE_GINT (1 << 2)
#define SCC_SCCE_GUN (1 << 1)
#define SCC_SCCE_GOV (1 << 0)
#define SCC_SCCE_IQOV BIT(3)
#define SCC_SCCE_GINT BIT(2)
#define SCC_SCCE_GUN BIT(1)
#define SCC_SCCE_GOV BIT(0)
/* SCC mask register (16 bits) */
#define SCC_SCCM 0x14
......@@ -75,25 +77,31 @@
#define QMC_GBL_C_MASK16 0xA0
/* TSA entry (16bit entry in TSATRX and TSATTX) */
#define QMC_TSA_VALID (1 << 15)
#define QMC_TSA_WRAP (1 << 14)
#define QMC_TSA_MASK_8BIT (0x303F)
#define QMC_TSA_CHANNEL(x) ((x) << 6)
#define QMC_TSA_VALID BIT(15)
#define QMC_TSA_WRAP BIT(14)
#define QMC_TSA_MASK_MASKH GENMASK(13, 12)
#define QMC_TSA_MASK_MASKL GENMASK(5, 0)
#define QMC_TSA_MASK_8BIT (FIELD_PREP_CONST(QMC_TSA_MASK_MASKH, 0x3) | \
FIELD_PREP_CONST(QMC_TSA_MASK_MASKL, 0x3F))
#define QMC_TSA_CHANNEL_MASK GENMASK(11, 6)
#define QMC_TSA_CHANNEL(x) FIELD_PREP(QMC_TSA_CHANNEL_MASK, x)
/* Tx buffer descriptor base address (16 bits, offset from MCBASE) */
#define QMC_SPE_TBASE 0x00
/* Channel mode register (16 bits) */
#define QMC_SPE_CHAMR 0x02
#define QMC_SPE_CHAMR_MODE_HDLC (1 << 15)
#define QMC_SPE_CHAMR_MODE_TRANSP ((0 << 15) | (1 << 13))
#define QMC_SPE_CHAMR_ENT (1 << 12)
#define QMC_SPE_CHAMR_POL (1 << 8)
#define QMC_SPE_CHAMR_HDLC_IDLM (1 << 13)
#define QMC_SPE_CHAMR_HDLC_CRC (1 << 7)
#define QMC_SPE_CHAMR_HDLC_NOF (0x0f << 0)
#define QMC_SPE_CHAMR_TRANSP_RD (1 << 14)
#define QMC_SPE_CHAMR_TRANSP_SYNC (1 << 10)
#define QMC_SPE_CHAMR_MODE_MASK GENMASK(15, 15)
#define QMC_SPE_CHAMR_MODE_HDLC FIELD_PREP_CONST(QMC_SPE_CHAMR_MODE_MASK, 1)
#define QMC_SPE_CHAMR_MODE_TRANSP (FIELD_PREP_CONST(QMC_SPE_CHAMR_MODE_MASK, 0) | BIT(13))
#define QMC_SPE_CHAMR_ENT BIT(12)
#define QMC_SPE_CHAMR_POL BIT(8)
#define QMC_SPE_CHAMR_HDLC_IDLM BIT(13)
#define QMC_SPE_CHAMR_HDLC_CRC BIT(7)
#define QMC_SPE_CHAMR_HDLC_NOF_MASK GENMASK(3, 0)
#define QMC_SPE_CHAMR_HDLC_NOF(x) FIELD_PREP(QMC_SPE_CHAMR_HDLC_NOF_MASK, x)
#define QMC_SPE_CHAMR_TRANSP_RD BIT(14)
#define QMC_SPE_CHAMR_TRANSP_SYNC BIT(10)
/* Tx internal state (32 bits) */
#define QMC_SPE_TSTATE 0x04
......@@ -120,43 +128,47 @@
/* Transparent synchronization (16 bits) */
#define QMC_SPE_TRNSYNC 0x3C
#define QMC_SPE_TRNSYNC_RX(x) ((x) << 8)
#define QMC_SPE_TRNSYNC_TX(x) ((x) << 0)
#define QMC_SPE_TRNSYNC_RX_MASK GENMASK(15, 8)
#define QMC_SPE_TRNSYNC_RX(x) FIELD_PREP(QMC_SPE_TRNSYNC_RX_MASK, x)
#define QMC_SPE_TRNSYNC_TX_MASK GENMASK(7, 0)
#define QMC_SPE_TRNSYNC_TX(x) FIELD_PREP(QMC_SPE_TRNSYNC_TX_MASK, x)
/* Interrupt related registers bits */
#define QMC_INT_V (1 << 15)
#define QMC_INT_W (1 << 14)
#define QMC_INT_NID (1 << 13)
#define QMC_INT_IDL (1 << 12)
#define QMC_INT_GET_CHANNEL(x) (((x) & 0x0FC0) >> 6)
#define QMC_INT_MRF (1 << 5)
#define QMC_INT_UN (1 << 4)
#define QMC_INT_RXF (1 << 3)
#define QMC_INT_BSY (1 << 2)
#define QMC_INT_TXB (1 << 1)
#define QMC_INT_RXB (1 << 0)
#define QMC_INT_V BIT(15)
#define QMC_INT_W BIT(14)
#define QMC_INT_NID BIT(13)
#define QMC_INT_IDL BIT(12)
#define QMC_INT_CHANNEL_MASK GENMASK(11, 6)
#define QMC_INT_GET_CHANNEL(x) FIELD_GET(QMC_INT_CHANNEL_MASK, x)
#define QMC_INT_MRF BIT(5)
#define QMC_INT_UN BIT(4)
#define QMC_INT_RXF BIT(3)
#define QMC_INT_BSY BIT(2)
#define QMC_INT_TXB BIT(1)
#define QMC_INT_RXB BIT(0)
/* BD related registers bits */
#define QMC_BD_RX_E (1 << 15)
#define QMC_BD_RX_W (1 << 13)
#define QMC_BD_RX_I (1 << 12)
#define QMC_BD_RX_L (1 << 11)
#define QMC_BD_RX_F (1 << 10)
#define QMC_BD_RX_CM (1 << 9)
#define QMC_BD_RX_UB (1 << 7)
#define QMC_BD_RX_LG (1 << 5)
#define QMC_BD_RX_NO (1 << 4)
#define QMC_BD_RX_AB (1 << 3)
#define QMC_BD_RX_CR (1 << 2)
#define QMC_BD_TX_R (1 << 15)
#define QMC_BD_TX_W (1 << 13)
#define QMC_BD_TX_I (1 << 12)
#define QMC_BD_TX_L (1 << 11)
#define QMC_BD_TX_TC (1 << 10)
#define QMC_BD_TX_CM (1 << 9)
#define QMC_BD_TX_UB (1 << 7)
#define QMC_BD_TX_PAD (0x0f << 0)
#define QMC_BD_RX_E BIT(15)
#define QMC_BD_RX_W BIT(13)
#define QMC_BD_RX_I BIT(12)
#define QMC_BD_RX_L BIT(11)
#define QMC_BD_RX_F BIT(10)
#define QMC_BD_RX_CM BIT(9)
#define QMC_BD_RX_UB BIT(7)
#define QMC_BD_RX_LG BIT(5)
#define QMC_BD_RX_NO BIT(4)
#define QMC_BD_RX_AB BIT(3)
#define QMC_BD_RX_CR BIT(2)
#define QMC_BD_TX_R BIT(15)
#define QMC_BD_TX_W BIT(13)
#define QMC_BD_TX_I BIT(12)
#define QMC_BD_TX_L BIT(11)
#define QMC_BD_TX_TC BIT(10)
#define QMC_BD_TX_CM BIT(9)
#define QMC_BD_TX_UB BIT(7)
#define QMC_BD_TX_PAD_MASK GENMASK(3, 0)
#define QMC_BD_TX_PAD(x) FIELD_PREP(QMC_BD_TX_PAD_MASK, x)
/* Numbers of BDs and interrupt items */
#define QMC_NB_TXBDS 8
......@@ -662,7 +674,7 @@ static int qmc_chan_setup_tsa_64rxtx(struct qmc_chan *chan, const struct tsa_ser
continue;
qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2),
~QMC_TSA_WRAP, enable ? val : 0x0000);
(u16)~QMC_TSA_WRAP, enable ? val : 0x0000);
}
return 0;
......@@ -698,7 +710,7 @@ static int qmc_chan_setup_tsa_32rx(struct qmc_chan *chan, const struct tsa_seria
continue;
qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATRX + (i * 2),
~QMC_TSA_WRAP, enable ? val : 0x0000);
(u16)~QMC_TSA_WRAP, enable ? val : 0x0000);
}
return 0;
......@@ -734,7 +746,7 @@ static int qmc_chan_setup_tsa_32tx(struct qmc_chan *chan, const struct tsa_seria
continue;
qmc_clrsetbits16(chan->qmc->scc_pram + QMC_GBL_TSATTX + (i * 2),
~QMC_TSA_WRAP, enable ? val : 0x0000);
(u16)~QMC_TSA_WRAP, enable ? val : 0x0000);
}
return 0;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7