| /Linux-v6.1/drivers/usb/musb/ |
| D | cppi_dma.c | 5 * This file implements a DMA interface using TI's CPPI DMA.
6 * For now it's DaVinci-only, but CPPI isn't specific to DaVinci or USB.
7 * The TUSB6020, using VLYNQ, has CPPI that looks much like DaVinci.
21 /* CPPI DMA status 7-mar-2006:
37 * REVISIT: the "transfer DMA" glue between CPPI and USB fifos will
110 static void cppi_pool_init(struct cppi *cppi, struct cppi_channel *c) in cppi_pool_init() argument
119 c->controller = cppi; in cppi_pool_init()
128 bd = dma_pool_alloc(cppi->pool, GFP_KERNEL, &dma); in cppi_pool_init()
138 struct cppi *cppi = c->controller; in cppi_pool_free() local
149 dma_pool_free(cppi->pool, bd, bd->dma); in cppi_pool_free()
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| D | cppi_dma.h | 16 /* CPPI RX/TX state RAM */
40 /* hw_options bits in CPPI buffer descriptors */
43 #define CPPI_OWN_SET ((u32)(1 << 29)) /* owned by cppi */
53 /* CPPI data structure definitions */
70 struct cppi;
72 /* CPPI Channel Control structure */
77 struct cppi *controller;
93 void __iomem *state_ram; /* CPPI state */
108 /* CPPI DMA controller object */
109 struct cppi { struct
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| D | davinci.h | 46 /* BEGIN CPPI-generic (?) */
48 /* CPPI related registers */
69 /* CPPI state RAM entries */
77 /* CPPI masks */
84 /* END CPPI-generic (?) */
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| D | Kconfig | 165 bool 'TI CPPI (Davinci)'
168 Enable DMA transfers when TI CPPI DMA is available.
171 bool 'TI CPPI 4.1'
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| D | davinci.c | 250 struct cppi *cppi; in davinci_musb_interrupt() local
258 * Docs describe irq "vector" registers associated with the CPPI and in davinci_musb_interrupt()
264 /* CPPI interrupts share the same IRQ line, but have their own in davinci_musb_interrupt()
267 cppi = container_of(musb->dma_controller, struct cppi, controller); in davinci_musb_interrupt()
268 if (is_cppi_enabled(musb) && musb->dma_controller && !cppi->irq) in davinci_musb_interrupt()
271 /* ack and handle non-CPPI interrupts */ in davinci_musb_interrupt()
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| D | musb_gadget.c | 204 * This assumes the separate CPPI engine is responding to DMA requests
346 * OK since the transfer dma glue (between CPPI and in txstate()
347 * Mentor fifos) just tells CPPI it could start. Data in txstate()
447 * SHOULD NOT HAPPEN... has with CPPI though, after in musb_g_tx()
560 /* NOTE: CPPI won't actually stop advancing the DMA in rxstate()
572 * the cppi engine will be ready to take it as soon in rxstate()
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| D | musb_cppi41.c | 598 /* delay to drain to cppi dma pipeline for isoch */ in cppi41_dma_channel_abort()
605 /* wait to drain cppi dma pipe line */ in cppi41_dma_channel_abort()
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| D | musb_host.c | 36 * - DMA (CPPI) ... partially behaves, not currently recommended
111 * CPPI enabled to see the issue when aborting the tx channel. in musb_h_tx_flush_fifo()
1208 /* with CPPI, DMA sometimes triggers "extra" irqs */ in musb_host_tx()
1284 /* second cppi case */ in musb_host_tx()
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| D | da8xx.c | 237 /* Acknowledge and handle non-CPPI interrupts */ in da8xx_musb_interrupt()
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| /Linux-v6.1/drivers/dma/ti/ |
| D | Kconfig | 7 tristate "Texas Instruments CPPI 4.1 DMA support"
11 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
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| /Linux-v6.1/arch/arm/mach-davinci/ |
| D | usb.c | 45 /* placeholder for the dedicated CPPI IRQ */
75 } else /* other devices don't have dedicated CPPI IRQ */ in davinci_setup_usb()
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| /Linux-v6.1/Documentation/devicetree/bindings/usb/ |
| D | da8xx-usb.txt | 33 - reg: offset and length of the following register spaces: CPPI DMA Controller,
34 CPPI DMA Scheduler, Queue Manager
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| D | am33xx-usb.txt | 58 CPPI DMA Controller, USB CPPI DMA Scheduler, USB Queue Manager
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| /Linux-v6.1/drivers/net/ethernet/ti/ |
| D | Makefile | 28 ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o k3-cppi-desc-pool.…
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| D | k3-cppi-desc-pool.c | 15 #include "k3-cppi-desc-pool.h"
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| D | Kconfig | 106 Communications Port Programming Interface (CPPI) port (port 0).
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| D | davinci_emac.c | 5 * DaVinci EMAC is based upon CPPI 3.0 TI DMA engine
194 /* CPPI bit positions */
202 #define EMAC_BD_LENGTH_FOR_CACHE (16) /* only CPPI bytes */
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| D | davinci_cpdma.c | 231 * if memory size > CPPI internal RAM size (desc_mem_size) in cpdma_desc_pool_create()
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| D | cpsw.c | 64 MODULE_PARM_DESC(descs_pool_size, "Number of CPDMA CPPI descriptors in pool");
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| D | am65-cpsw-nuss.c | 37 #include "k3-cppi-desc-pool.h"
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| D | netcp_ethss.c | 3537 * NU cppi port 0 tx pkt streaming interface has (n-1)*8 egress threads in set_gbenu_ethss_priv()
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| /Linux-v6.1/Documentation/arm/keystone/ |
| D | knav-qmss.rst | 38 CPPI/QMSS Low Level Driver document (docs/CPPI_QMSS_LLD_SDS.pdf) at
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| /Linux-v6.1/Documentation/devicetree/bindings/net/ |
| D | ti,k3-am654-cpsw-nuss.yaml | 20 Host Port 0 CPPI Packet Streaming Interface interface supports 8 TX channels
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