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/linux/sound/soc/fsl/
H A Dfsl_ssi.c1 // SPDX-License-Identifier: GPL-2.0
3 // Freescale SSI ALSA SoC Digital Audio Interface (DAI) driver
7 // Copyright 2007-2010 Freescale Semiconductor, Inc.
9 // Some notes why imx-pcm-fiq is used instead of DMA on some boards:
11 // The i.MX SSI core has some nasty limitations in AC97 mode. While most
13 // one FIFO which combines all valid receive slots. We cannot even select
16 // we receive in our (PCM-) data stream. The only chance we have is to
43 #include <linux/dma/imx-dma.h>
53 #include "imx-pcm.h"
55 /* Define RX and TX to index ssi->regvals array; Can be 0 or 1 only */
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H A Dfsl_dma.c1 // SPDX-License-Identifier: GPL-2.0
7 // Copyright 2007-2010 Freescale Semiconductor, Inc.
16 #include <linux/dma-mapping.h>
72 /** fsl_dma_private: p-substream DMA data
74 * Each substream has a 1-to-1 association with a DMA channel.
76 * The link[] array is first because it needs to be aligned on a 32-byte
120 * Since each link descriptor has a 32-bit byte count field, we set
121 * period_bytes_max to the largest 32-bit number. We also have no maximum
125 * limitation in the SSI driver requires the sample rates for playback and
137 .period_bytes_max = (u32) -1,
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H A Dfsl-asoc-card.c1 // SPDX-License-Identifier: GPL-2.0
23 #include "imx-audmux.h"
33 #define DRIVER_NAME "fsl-asoc-card"
44 * struct codec_priv - CODEC private data
62 * struct cpu_priv - CPU private data
82 * struct fsl_asoc_card_priv - Freescale Generic ASOC card private data
93 * @asrc_rate: ASRC sample rate used by Back-Ends
94 * @asrc_format: ASRC sample format used by Back-Ends
120 * Note: keep all ASRC routes in the second half
121 * to drop them easily for non-ASRC cases.
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/linux/sound/soc/renesas/
H A Drz-ssi.c1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas RZ/G2L ASoC Serial Sound Interface (SSIF-2) Driver
28 /* SSI REGISTER BITS */
75 #define SSI_RATES SNDRV_PCM_RATE_8000_48000 /* 8k-48kHz */
86 int fifo_sample_size; /* sample capacity of SSI FIFO */
99 int (*transfer)(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm);
118 * The SSI supports full-duplex transmission and reception.
121 * So it is better to use as half-duplex (playing and recording
149 writel(data, (priv->base + reg)); in rz_ssi_reg_writel()
154 return readl(priv->base + reg); in rz_ssi_reg_readl()
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/linux/sound/soc/renesas/rcar/
H A Dssi.c1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas R-Car SSIU/SSI support
13 * SSI interrupt status debug message when debugging
63 #define EN (1 << 0) /* SSI Module Enable */
79 #define SSI_NAME "ssi"
103 #define RSND_SSI_NO_BUSIF (1 << 1) /* SSI+DMA without BUSIF */
109 ((pos) = ((struct rsnd_ssi *)(priv)->ss
115 rsnd_ssi_is_parent(ssi,io) global() argument
125 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_use_busif() local
272 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_master_clk_start() local
348 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_master_clk_stop() local
373 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_config_init() local
461 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_register_setup() local
477 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_init() local
507 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_quit() local
556 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_start() local
589 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_stop() local
813 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_common_probe() local
855 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_common_remove() local
879 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_pio_interrupt() local
923 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_pio_init() local
940 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_pio_pointer() local
1039 struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); rsnd_ssi_debug_info() local
1166 struct rsnd_ssi *ssi; rsnd_ssi_probe() local
1247 struct rsnd_ssi *ssi; rsnd_ssi_remove() local
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H A Dcore.c1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas R-Car SRU/SCU/SSIU/SSI support
12 * Renesas R-Car sound device structure
17 * - SRC : Sampling Rate Converter
18 * - CMD
19 * - CTU : Channel Count Conversion Unit
20 * - MIX : Mixer
21 * - DVC : Digital Volume and Mute Function
22 * - SSI : Serial Sound Interface
27 * - SRC : Sampling Rate Converter
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H A Dssiu.c1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas R-Car SSIU support
13 u32 busif_status[8]; /* for BUSIF0 - BUSIF7 */
23 #define rsnd_ssiu_nr(priv) ((priv)->ssiu_nr)
28 ((pos) = ((struct rsnd_ssiu *)(priv)->ssiu + i)); \
32 * SSI Gen2 Gen3 Gen4
33 * 0 BUSIF0-3 BUSIF0-7 BUSIF0-7
34 * 1 BUSIF0-3 BUSIF0-7
35 * 2 BUSIF0-3 BUSIF0-7
36 * 3 BUSIF0 BUSIF0-7
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H A Dadg.c1 // SPDX-License-Identifier: GPL-2.0
3 // Helper routines for R-Car sound ADG.
6 #include <linux/clk-provider.h>
52 (i < adg->clkin_size) && \
53 ((pos) = adg->clkin[i]); \
57 (i < adg->clkout_size) && \
58 ((pos) = adg->clkout[i]); \
60 #define rsnd_priv_to_adg(priv) ((struct rsnd_adg *)(priv)->adg)
87 for (i = 3; i >= 0; i--) { in rsnd_adg_calculate_brgx()
90 return (u32)((i << 8) | ((div / ratio) - 1)); in rsnd_adg_calculate_brgx()
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/linux/drivers/hsi/controllers/
H A Domap_ssi_core.c1 // SPDX-License-Identifier: GPL-2.0-only
2 /* OMAP SSI driver.
4 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
17 #include <linux/dma-mapping.h>
42 struct hsi_controller *ssi = m->private; in ssi_regs_show() local
43 struct omap_ssi_controller *omap_ssi = hsi_controller_drvdata(ssi); in ssi_regs_show()
44 void __iomem *sys = omap_ssi->sys; in ssi_regs_show()
46 pm_runtime_get_sync(ssi->device.parent); in ssi_regs_show()
50 pm_runtime_put(ssi->device.parent); in ssi_regs_show()
57 struct hsi_controller *ssi = m->private; in ssi_gdd_regs_show() local
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H A Domap_ssi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* OMAP SSI internal interface.
4 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
23 #define SSI_BYTES_TO_FRAMES(x) ((((x) - 1) >> 2) + 1)
28 * struct omap_ssm_ctx - OMAP synchronous serial module (TX/RX) context
50 * struct omap_ssi_port - OMAP SSI port data
53 * @sst_dma: SSI transmitter physical base address
54 * @ssr_dma: SSI receiver physical base address
55 * @sst_base: SSI transmitter base address
56 * @ssr_base: SSI receiver base address
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H A Domap_ssi_regs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Hardware definitions for SSI.
4 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
13 * SSI SYS registers
48 * SSI SST registers
75 * SSI SSR registers
95 * SSI GDD registers
/linux/Documentation/devicetree/bindings/sound/
H A Dfsl,ssi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,ssi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
13 Notes on fsl,playback-dma and fsl,capture-dma
14 On SOCs that have an SSI, specific DMA channels are hard-wired for playback
18 DMA controller to use, but the channels themselves are hard-wired. The
22 "fsl,playback-dma" and "fsl,capture-dma" must be marked as compatible with
23 "fsl,ssi-dma-channel". The SOC-specific compatible string (e.g.
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/linux/drivers/hsi/clients/
H A Dssi_protocol.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Implementation of the SSI McSAAB improved protocol.
7 * Copyright (C) 2010 Nokia Corporation. All rights reserved.
41 #define SSIP_MAX_CMDS 5 /* Number of pre-allocated commands buffers */
42 #define SSIP_BYTES_TO_FRAMES(x) ((((x) - 1) >> 2) + 1)
45 * SSI protocol command definitions
101 * struct ssi_protocol - SSI protocol (McSAAB) data
111 * @keep_alive: Workaround for SSI HW bug
133 struct timer_list keep_alive; /* wake-up workaround */
146 /* List of ssi protocol instances */
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H A Dcmt_speech.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * cmt_speech.c - HSI CMT speech driver
5 * Copyright (C) 2008,2009,2010 Nokia Corporation. All rights reserved.
27 #include <linux/hsi/cs-protocol.h>
63 /* Number of pre-allocated commands buffers */
144 dev_err(&cs_char_data.cl->device, in cs_notify()
150 entry->msg = message; in cs_notify()
151 list_add_tail(&entry->list, head); in cs_notify()
167 entry = list_entry(head->next, struct char_queue, list); in cs_pop_entry()
168 data = entry->msg; in cs_pop_entry()
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/linux/arch/arm/boot/dts/renesas/
H A Dr8a7794.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Car E2 (R8A77940) SoC
9 #include <dt-bindings/clock/r8a7794-cpg-mssr.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/power/r8a7794-sysc.h>
16 #address-cells = <2>;
17 #size-cells = <2>;
39 compatible = "fixed-clock";
40 #clock-cells = <0>;
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H A Dr8a7793.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Car M2-N (R8A77930) SoC
5 * Copyright (C) 2014-2015 Renesas Electronics Corporation
8 #include <dt-bindings/clock/r8a7793-cpg-mssr.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/power/r8a7793-sysc.h>
15 #address-cells = <2>;
16 #size-cells = <2>;
37 compatible = "fixed-clock";
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H A Dr8a7790.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Car H2 (R8A77900) SoC
6 * Copyright (C) 2013-2014 Renesas Solutions Corp.
10 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/power/r8a7790-sysc.h>
17 #address-cells = <2>;
18 #size-cells = <2>;
46 compatible = "fixed-clock";
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H A Dr8a7791.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Car M2-W (R8A77910) SoC
5 * Copyright (C) 2013-2015 Renesas Electronics Corporation
6 * Copyright (C) 2013-2014 Renesas Solutions Corp.
10 #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/power/r8a7791-sysc.h>
17 #address-cells = <2>;
18 #size-cells = <2>;
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H A Dr8a7794-silk.dts1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2014-2015 Renesas Solutions Corp.
7 * Copyright (C) 2014-2015 Cogent Embedded, Inc.
11 * SSI-AK4643
13 * SW1: 2-1: AK4643
14 * 2-3: ADV7511
21 /dts-v1/;
23 #include <dt-bindings/gpio/gpio.h>
24 #include <dt-bindings/input/input.h>
40 stdout-path = "serial0:115200n8";
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/linux/drivers/media/usb/gspca/
H A Dspca508.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2009 Jean-Francois Moine <http://moinejf.free.fr>
58 * Initialization data: this is the first set-up data written to the
66 {0x0000, 0x8110}, /* Disable all outputs */
67 /* READ {0x0000, 0x8114} -> 0000: 00 */
79 /* --------------------------------------- */
82 /* --------------------------------------- */
89 {0x00c0, 0x8804}, /* SSI slave addr */
90 {0x0008, 0x8802}, /* 375 Khz SSI clock */
91 /* READ { 0x0001, 0x8803 } -> 0000: 00 */
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/linux/arch/arm64/boot/dts/renesas/
H A Dr8a77995.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Car D3 (R8A77995) SoC
9 #include <dt-bindings/clock/r8a77995-cpg-mssr.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/power/r8a77995-sysc.h>
15 #address-cells = <2>;
16 #size-cells = <2>;
24 compatible = "fixed-clock";
25 #clock-cells = <0>;
26 clock-frequency = <0>;
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/linux/drivers/net/ethernet/chelsio/cxgb4/
H A Dsge.c4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
16 * - Redistributions of source code must retain the above
20 * - Redistributions in binary form must reproduce the above
40 #include <linux/dma-mapping.h>
68 # define FL_PG_ORDER (16 - PAGE_SHIFT)
115 #define NOMEM_TMR_IDX (SGE_NTIMERS - 1)
118 * Suspension threshold for non-Ethernet Tx queues. We require enough room
141 * buffer). We currently only support two sizes for 1500- and 9000-byte MTUs.
151 struct sge *s = &adapter->sge; in fl_mtu_bufsize()
153 return ALIGN(s->pktshift + ETH_HLEN + VLAN_HLEN + mtu, s->fl_align); in fl_mtu_bufsize()
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/linux/arch/m68k/coldfire/
H A Dm53xx.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * m53xx.c -- platform support for ColdFire 53xx based boards
7 * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
38 DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK);
59 DEFINE_CLK(0, "mcfusb-otg.0", 44, MCF_CLK);
60 DEFINE_CLK(0, "mcfusb-host.0", 45, MCF_CLK);
62 DEFINE_CLK(0, "ssi.0", 47, MCF_CLK);
77 CLKDEV_INIT("imx1-i2c.0", NULL, &__clk_0_22),
97 CLKDEV_INIT("mcfusb-otg.0", NULL, &__clk_0_44),
98 CLKDEV_INIT("mcfusb-host.0", NULL, &__clk_0_45),
[all …]
/linux/drivers/spi/
H A Dspi-dw-core.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/dma-mapping.h>
18 #include <linux/spi/spi-mem.h>
23 #include "spi-dw.h"
66 snprintf(name, 32, "dw_spi%d", dws->host->bus_num); in dw_spi_debugfs_init()
67 dws->debugfs = debugfs_create_dir(name, NULL); in dw_spi_debugfs_init()
69 dws->regset.regs = dw_spi_dbgfs_regs; in dw_spi_debugfs_init()
70 dws->regset.nregs = ARRAY_SIZE(dw_spi_dbgfs_regs); in dw_spi_debugfs_init()
71 dws->regset.base = dws->regs; in dw_spi_debugfs_init()
72 debugfs_create_regset32("registers", 0400, dws->debugfs, &dws->regset); in dw_spi_debugfs_init()
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/linux/drivers/s390/cio/
H A Ddevice_status.c1 // SPDX-License-Identifier: GPL-2.0
31 struct subchannel *sch = to_subchannel(cdev->dev.parent); in ccw_device_msg_control_check()
34 if (!scsw_is_valid_cstat(&irb->scsw) || in ccw_device_msg_control_check()
35 !(scsw_cstat(&irb->scsw) & (SCHN_STAT_CHN_DATA_CHK | in ccw_device_msg_control_check()
38 CIO_MSG_EVENT(0, "Channel-Check or Interface-Control-Check " in ccw_device_msg_control_check()
42 cdev->private->dev_id.devno, sch->schid.ssid, in ccw_device_msg_control_check()
43 sch->schid.sch_no, in ccw_device_msg_control_check()
44 scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw)); in ccw_device_msg_control_check()
45 sprintf(dbf_text, "chk%x", sch->schid.sch_no); in ccw_device_msg_control_check()
58 sch = to_subchannel(cdev->dev.parent); in ccw_device_path_notoper()
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