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/linux/drivers/misc/ !
H A Datmel-ssc.c3 * Atmel SSC driver
14 #include <linux/atmel-ssc.h>
29 struct ssc_device *ssc; in ssc_request() local
32 list_for_each_entry(ssc, &ssc_list, list) { in ssc_request()
33 if (ssc->pdev->dev.of_node) { in ssc_request()
34 if (of_alias_get_id(ssc->pdev->dev.of_node, "ssc") in ssc_request()
36 ssc->pdev->id = ssc_num; in ssc_request()
40 } else if (ssc->pdev->id == ssc_num) { in ssc_request()
48 pr_err("ssc in ssc_request()
66 ssc_free(struct ssc_device * ssc) ssc_free() argument
148 ssc_sound_dai_probe(struct ssc_device * ssc) ssc_sound_dai_probe() argument
169 ssc_sound_dai_remove(struct ssc_device * ssc) ssc_sound_dai_remove() argument
177 ssc_sound_dai_probe(struct ssc_device * ssc) ssc_sound_dai_probe() argument
185 ssc_sound_dai_remove(struct ssc_device * ssc) ssc_sound_dai_remove() argument
193 struct ssc_device *ssc; ssc_probe() local
256 struct ssc_device *ssc = platform_get_drvdata(pdev); ssc_remove() local
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/linux/sound/soc/atmel/ !
H A Datmel_ssc_dai.c3 * atmel_ssc_dai.c -- ALSA SoC ATMEL SSC Audio Layer Platform driver
11 * Based on at91-ssc.c by
25 #include <linux/atmel-ssc.h>
39 * SSC PDC registers required by the PCM DMA engine.
56 * SSC & PDC status bits for transmit and receive.
136 * SSC interrupt handler. Passes PDC interrupts to the DMA
147 ssc_sr = (unsigned long)ssc_readl(ssc_p->ssc->regs, SR) in atmel_ssc_interrupt()
148 & (unsigned long)ssc_readl(ssc_p->ssc->regs, IMR); in atmel_ssc_interrupt()
151 * Loop through the substreams attached to this SSC. If in atmel_ssc_interrupt()
176 * Serial Clock Ratio Considerations section from the SSC documentatio
195 struct ssc_device *ssc = ssc_p->ssc; atmel_ssc_hw_rule_rate() local
464 struct ssc_device *ssc = ssc_p->ssc; atmel_ssc_hw_params() local
867 struct ssc_device *ssc = dev_get_drvdata(dev); asoc_ssc_init() local
896 struct ssc_device *ssc; atmel_ssc_set_audio() local
914 struct ssc_device *ssc = ssc_info[ssc_id].ssc; atmel_ssc_put_audio() local
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H A Datmel_ssc_dai.h3 * atmel_ssc_dai.h - ALSA SSC interface for the Atmel SoC
11 * Based on at91-ssc.c by
21 #include <linux/atmel-ssc.h>
25 /* SSC system clock ids */
26 #define ATMEL_SYSCLK_MCK 0 /* SSC uses AT91 MCK as system clock */
28 /* SSC divider ids */
33 * SSC direction masks
40 * SSC register values that Atmel left out of <linux/atmel-ssc.h>. These
95 struct ssc_device *ssc; member
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H A Datmel-pcm.h24 #include <linux/atmel-ssc.h>
40 u32 ssc_enable; /* SSC recv/trans enable */
41 u32 ssc_disable; /* SSC recv/trans disable */
42 u32 ssc_error; /* SSC error conditions */
43 u32 ssc_endx; /* SSC ENDTX or ENDRX */
44 u32 ssc_endbuf; /* SSC TXBUFE or RXBUFF */
54 * driver and called by the interface SSC interrupt handler if it is
60 struct ssc_device *ssc; /* SSC device for stream */ member
62 struct atmel_ssc_mask *mask; /* SSC
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H A Datmel-pcm-pdc.c27 #include <linux/atmel-ssc.h>
104 ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, in atmel_pcm_dma_irq()
110 ssc_writex(params->ssc->regs, params->pdc->xpr, in atmel_pcm_dma_irq()
112 ssc_writex(params->ssc->regs, params->pdc->xcr, in atmel_pcm_dma_irq()
114 ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, in atmel_pcm_dma_irq()
124 ssc_writex(params->ssc->regs, params->pdc->xnpr, in atmel_pcm_dma_irq()
126 ssc_writex(params->ssc->regs, params->pdc->xncr, in atmel_pcm_dma_irq()
171 ssc_writex(params->ssc->regs, SSC_PDC_PTCR, in atmel_pcm_hw_free()
185 ssc_writex(params->ssc->regs, SSC_IDR, in atmel_pcm_prepare()
187 ssc_writex(params->ssc in atmel_pcm_prepare()
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H A Datmel-pcm-dma.c20 #include <linux/atmel-ssc.h>
47 * atmel_pcm_dma_irq: SSC interrupt handler for DMAENGINE enabled SSC
49 * We use DMAENGINE to send/receive data to/from SSC so this ISR is only to
68 ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_disable); in atmel_pcm_dma_irq()
72 ssc_readx(prtd->ssc->regs, SSC_RHR); in atmel_pcm_dma_irq()
73 ssc_readx(prtd->ssc->regs, SSC_SR); in atmel_pcm_dma_irq()
82 struct ssc_device *ssc; in atmel_pcm_configure_dma() local
86 ssc = prtd->ssc; in atmel_pcm_configure_dma()
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H A DKconfig18 tristate "SoC PCM DAI support for AT91 SSC controller using PDC"
23 Say Y or M if you want to add support for Atmel SSC interface
27 tristate "SoC PCM DAI support for AT91 SSC controller using DMA"
32 Say Y or M if you want to add support for Atmel SSC interface
/linux/include/linux/ !
H A Datmel-ssc.h28 void ssc_free(struct ssc_device *ssc);
30 /* SSC register offsets */
32 /* SSC Control Register */
45 /* SSC Clock Mode Register */
50 /* SSC Receive Clock Mode Register */
69 /* SSC Receive Frame Mode Register */
92 /* SSC Transmit Clock Mode Register */
109 /* SSC Transmit Frame Mode Register */
134 /* SSC Receive Hold Register */
139 /* SSC Transmit Hold Register */
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/linux/drivers/hid/ !
H A Dhid-saitek.c40 struct saitek_sc *ssc; in saitek_probe() local
43 ssc = devm_kzalloc(&hdev->dev, sizeof(*ssc), GFP_KERNEL); in saitek_probe()
44 if (ssc == NULL) { in saitek_probe()
49 ssc->quirks = quirks; in saitek_probe()
50 ssc->mode = -1; in saitek_probe()
52 hid_set_drvdata(hdev, ssc); in saitek_probe()
72 struct saitek_sc *ssc = hid_get_drvdata(hdev); in saitek_report_fixup() local
74 if ((ssc->quirks & SAITEK_FIX_PS1000) && *rsize == 137 && in saitek_report_fixup()
96 struct saitek_sc *ssc in saitek_raw_event() local
153 struct saitek_sc *ssc = hid_get_drvdata(hdev); saitek_event() local
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/linux/Documentation/devicetree/bindings/sound/ !
H A Datmel,at91-ssc.yaml4 $id: http://devicetree.org/schemas/sound/atmel,at91-ssc.yaml#
7 title: Atmel Serial Synchronous Serial (SSC)
13 The Atmel Synchronous Serial Controller (SSC) provides a versatile
21 - atmel,at91rm9200-ssc
22 - atmel,at91sam9g45-ssc
25 - microchip,sam9x7-ssc
26 - const: atmel,at91sam9g45-ssc
53 Specify the clock source for the SSC (Synchronous Serial Controller)
75 - atmel,at91sam9g45-ssc
89 ssc
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H A Datmel,sam9x5-wm8731-audio.yaml23 atmel,ssc-controller:
25 description: The phandle of the SSC controller.
55 - atmel,ssc-controller
74 atmel,ssc-controller = <&ssc0>;
H A Datmel,at91sam9g20ek-wm8731.yaml43 atmel,ssc-controller:
45 description: The phandle of the SSC controller.
55 - atmel,ssc-controller
70 atmel,ssc-controller = <&ssc0>;
H A Datmel,asoc-wm8904.yaml23 atmel,ssc-controller:
25 description: The phandle of the SSC controller.
60 - atmel,ssc-controller
82 atmel,ssc-controller = <&ssc0>;
/linux/Documentation/devicetree/bindings/bus/ !
H A Dqcom,ssc-block-bus.yaml4 $id: http://devicetree.org/schemas/bus/qcom,ssc-block-bus.yaml#
7 title: The AHB Bus Providing a Global View of the SSC Block on (some) qcom SoCs
20 The SSC (Snapdragon Sensor Core) block contains a gpio controller, i2c/spi/uart
27 - const: qcom,msm8998-ssc-block-bus
28 - const: qcom,ssc-block-bus
74 SSC Branch Control Register reset (associated with the ssc_xo and
84 description: describes how to locate the ssc AXI halt register
88 - description: offset for the ssc AXI halt register
118 // devices under this node are physically located in the SSC block, connected to an ssc
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/linux/sound/spi/ !
H A Dat73c213.c3 * Driver for AT73C213 16-bit stereo DAC connected to Atmel SSC
27 #include <linux/atmel-ssc.h>
69 struct ssc_device *ssc; member
75 /* Protect SSC registers against concurrent access. */
131 unsigned long ssc_rate = clk_get_rate(chip->ssc->clk); in snd_at73c213_set_bitrate()
146 /* SSC clock / (bitrate * stereo * 16-bit). */ in snd_at73c213_set_bitrate()
166 /* SSC clock / (ssc divider * 16-bit * stereo). */ in snd_at73c213_set_bitrate()
192 /* Set divider in SSC device. */ in snd_at73c213_set_bitrate()
193 ssc_writel(chip->ssc in snd_at73c213_set_bitrate()
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/linux/drivers/scsi/isci/ !
H A Dprobe_roms.h228 * Spread Spectrum Clocking (SSC) settings for SATA and SAS.
229 * NOTE: Default SSC Modulation Frequency is 31.5KHz.
235 * Down-spreading SSC (only method allowed for SATA):
236 * SATA SSC Tx Disabled = 0x0
237 * SATA SSC Tx at +0 / -1419 PPM Spread = 0x2
238 * SATA SSC Tx at +0 / -2129 PPM Spread = 0x3
239 * SATA SSC Tx at +0 / -4257 PPM Spread = 0x6
240 * SATA SSC Tx at +0 / -4967 PPM Spread = 0x7
244 * SAS SSC Tx Disabled = 0x0
248 * Down-spreading SSC
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/linux/Documentation/devicetree/bindings/clock/ !
H A Dst,stm32-rcc.yaml56 st,ssc-modfreq-hz:
60 st,ssc-moddepth-permyriad:
67 st,ssc-modmethod:
101 st,ssc-modfreq-hz: false
102 st,ssc-moddepth-permyriad: false
103 st,ssc-modmethod: false
130 st,ssc-modfreq-hz = <10000>;
131 st,ssc-moddepth-permyriad = <200>;
132 st,ssc-modmethod = "center-spread";
H A Dmediatek,mt8186-fhctl.yaml15 Spread spectrum clocking (SSC) is another function provided by this hardware.
34 mediatek,hopping-ssc-percent:
57 mediatek,hopping-ssc-percent = <3>;
/linux/Documentation/devicetree/bindings/spi/ !
H A Dst,ssc-spi.yaml4 $id: http://devicetree.org/schemas/spi/st,ssc-spi.yaml#
7 title: STMicroelectronics SSC SPI Controller
10 The STMicroelectronics SSC SPI controller can be found on STi platforms
31 const: ssc
54 clock-names = "ssc";
/linux/drivers/spi/ !
H A Dspi-st-ssc4.c25 /* SSC registers */
33 /* SSC Control */
48 /* SSC Interrupt Enable */
54 /* SSC SPI Controller */
59 /* SSC SPI current transaction */
211 /* Set SSC_CTL and enable SSC */ in spi_st_setup()
296 spi_st->clk = devm_clk_get(&pdev->dev, "ssc"); in spi_st_probe()
316 /* Disable I2C and Reset SSC */ in spi_st_probe()
327 /* Set SSC into target mode before reconfiguring PIO pins */ in spi_st_probe()
453 MODULE_DESCRIPTION("STM SSC SP
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/linux/Documentation/devicetree/bindings/phy/ !
H A Drenesas,usb3-phy.yaml33 # If you want to use the ssc, the clock-frequency of usb_extal
51 renesas,ssc-range:
53 Enable/disable spread spectrum clock (ssc). 0 or the property doesn't
54 exist means disabling the ssc. The actual value will be -<value> ppm.
H A Dphy-rockchip-naneng-combphy.yaml48 rockchip,enable-ssc:
51 The option SSC can be enabled for U3, SATA and PCIE.
52 Most commercially available platforms use SSC to reduce EMI.
65 differential clock output(optional with SSC) for system applications.
/linux/arch/arm/boot/dts/st/ !
H A Dstih407-family.dtsi369 clock-names = "ssc";
384 clock-names = "ssc";
399 clock-names = "ssc";
414 clock-names = "ssc";
429 clock-names = "ssc";
444 clock-names = "ssc";
461 clock-names = "ssc";
476 clock-names = "ssc";
491 clock-names = "ssc";
505 clock-names = "ssc";
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/linux/drivers/phy/xilinx/ !
H A Dphy-zynqmp.c62 /* PLL SSC step size offsets */
71 /* SSC step size parameters */
184 * struct xpsgtr_ssc - structure to hold SSC settings for a lane
187 * @steps: number of steps of SSC (Spread Spectrum Clock)
399 /* Get the spread spectrum (SSC) settings for the reference clock rate */
426 const struct xpsgtr_ssc *ssc; in xpsgtr_configure_pll() local
429 ssc = xpsgtr_find_sscs(gtr_phy); in xpsgtr_configure_pll()
430 if (!ssc) in xpsgtr_configure_pll()
433 step_size = ssc->step_size; in xpsgtr_configure_pll()
436 PLL_FREQ_MASK, ssc in xpsgtr_configure_pll()
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/linux/drivers/i2c/busses/ !
H A Di2c-st.c24 /* SSC registers */
48 /* SSC Control */
63 /* SSC Interrupt Enable */
77 /* SSC Status */
94 /* SSC I2C Control */
104 /* SSC Tx FIFO Status */
107 /* SSC Rx FIFO Status */
110 /* SSC Clear bit operation */
117 /* SSC Clock Prescaler */
177 * @clk: hw ssc bloc
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